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 //                  http://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_INFO,
 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_ELEMENT_VALUE1_DOWN,
 433   GADGET_ID_ELEMENT_VALUE1_TEXT,
 434   GADGET_ID_ELEMENT_VALUE1_UP,
 435   GADGET_ID_ELEMENT_VALUE2_DOWN,
 436   GADGET_ID_ELEMENT_VALUE2_TEXT,
 437   GADGET_ID_ELEMENT_VALUE2_UP,
 438   GADGET_ID_ELEMENT_VALUE3_DOWN,
 439   GADGET_ID_ELEMENT_VALUE3_TEXT,
 440   GADGET_ID_ELEMENT_VALUE3_UP,
 441   GADGET_ID_ELEMENT_VALUE4_DOWN,
 442   GADGET_ID_ELEMENT_VALUE4_TEXT,
 443   GADGET_ID_ELEMENT_VALUE4_UP,
 444   GADGET_ID_YAMYAM_CONTENT_DOWN,
 445   GADGET_ID_YAMYAM_CONTENT_TEXT,
 446   GADGET_ID_YAMYAM_CONTENT_UP,
 447   GADGET_ID_BALL_CONTENT_DOWN,
 448   GADGET_ID_BALL_CONTENT_TEXT,
 449   GADGET_ID_BALL_CONTENT_UP,
 450   GADGET_ID_ANDROID_CONTENT_DOWN,
 451   GADGET_ID_ANDROID_CONTENT_TEXT,
 452   GADGET_ID_ANDROID_CONTENT_UP,
 453   GADGET_ID_ENVELOPE_XSIZE_DOWN,
 454   GADGET_ID_ENVELOPE_XSIZE_TEXT,
 455   GADGET_ID_ENVELOPE_XSIZE_UP,
 456   GADGET_ID_ENVELOPE_YSIZE_DOWN,
 457   GADGET_ID_ENVELOPE_YSIZE_TEXT,
 458   GADGET_ID_ENVELOPE_YSIZE_UP,
 459   GADGET_ID_INVENTORY_SIZE_DOWN,
 460   GADGET_ID_INVENTORY_SIZE_TEXT,
 461   GADGET_ID_INVENTORY_SIZE_UP,
 462   GADGET_ID_CUSTOM_SCORE_DOWN,
 463   GADGET_ID_CUSTOM_SCORE_TEXT,
 464   GADGET_ID_CUSTOM_SCORE_UP,
 465   GADGET_ID_CUSTOM_GEMCOUNT_DOWN,
 466   GADGET_ID_CUSTOM_GEMCOUNT_TEXT,
 467   GADGET_ID_CUSTOM_GEMCOUNT_UP,
 468   GADGET_ID_CUSTOM_VALUE_FIX_DOWN,
 469   GADGET_ID_CUSTOM_VALUE_FIX_TEXT,
 470   GADGET_ID_CUSTOM_VALUE_FIX_UP,
 471   GADGET_ID_CUSTOM_VALUE_RND_DOWN,
 472   GADGET_ID_CUSTOM_VALUE_RND_TEXT,
 473   GADGET_ID_CUSTOM_VALUE_RND_UP,
 474   GADGET_ID_PUSH_DELAY_FIX_DOWN,
 475   GADGET_ID_PUSH_DELAY_FIX_TEXT,
 476   GADGET_ID_PUSH_DELAY_FIX_UP,
 477   GADGET_ID_PUSH_DELAY_RND_DOWN,
 478   GADGET_ID_PUSH_DELAY_RND_TEXT,
 479   GADGET_ID_PUSH_DELAY_RND_UP,
 480   GADGET_ID_DROP_DELAY_FIX_DOWN,
 481   GADGET_ID_DROP_DELAY_FIX_TEXT,
 482   GADGET_ID_DROP_DELAY_FIX_UP,
 483   GADGET_ID_DROP_DELAY_RND_DOWN,
 484   GADGET_ID_DROP_DELAY_RND_TEXT,
 485   GADGET_ID_DROP_DELAY_RND_UP,
 486   GADGET_ID_MOVE_DELAY_FIX_DOWN,
 487   GADGET_ID_MOVE_DELAY_FIX_TEXT,
 488   GADGET_ID_MOVE_DELAY_FIX_UP,
 489   GADGET_ID_MOVE_DELAY_RND_DOWN,
 490   GADGET_ID_MOVE_DELAY_RND_TEXT,
 491   GADGET_ID_MOVE_DELAY_RND_UP,
 492   GADGET_ID_EXPLOSION_DELAY_DOWN,
 493   GADGET_ID_EXPLOSION_DELAY_TEXT,
 494   GADGET_ID_EXPLOSION_DELAY_UP,
 495   GADGET_ID_IGNITION_DELAY_DOWN,
 496   GADGET_ID_IGNITION_DELAY_TEXT,
 497   GADGET_ID_IGNITION_DELAY_UP,
 498   GADGET_ID_CHANGE_DELAY_FIX_DOWN,
 499   GADGET_ID_CHANGE_DELAY_FIX_TEXT,
 500   GADGET_ID_CHANGE_DELAY_FIX_UP,
 501   GADGET_ID_CHANGE_DELAY_RND_DOWN,
 502   GADGET_ID_CHANGE_DELAY_RND_TEXT,
 503   GADGET_ID_CHANGE_DELAY_RND_UP,
 504   GADGET_ID_CHANGE_CONT_RND_DOWN,
 505   GADGET_ID_CHANGE_CONT_RND_TEXT,
 506   GADGET_ID_CHANGE_CONT_RND_UP,
 507   GADGET_ID_GROUP_CONTENT_DOWN,
 508   GADGET_ID_GROUP_CONTENT_TEXT,
 509   GADGET_ID_GROUP_CONTENT_UP,
 510
 511   // drawing area identifiers
 512
 513   GADGET_ID_DRAWING_LEVEL,
 514   GADGET_ID_YAMYAM_CONTENT_0,
 515   GADGET_ID_YAMYAM_CONTENT_1,
 516   GADGET_ID_YAMYAM_CONTENT_2,
 517   GADGET_ID_YAMYAM_CONTENT_3,
 518   GADGET_ID_YAMYAM_CONTENT_4,
 519   GADGET_ID_YAMYAM_CONTENT_5,
 520   GADGET_ID_YAMYAM_CONTENT_6,
 521   GADGET_ID_YAMYAM_CONTENT_7,
 522   GADGET_ID_MAGIC_BALL_CONTENT_0,
 523   GADGET_ID_MAGIC_BALL_CONTENT_1,
 524   GADGET_ID_MAGIC_BALL_CONTENT_2,
 525   GADGET_ID_MAGIC_BALL_CONTENT_3,
 526   GADGET_ID_MAGIC_BALL_CONTENT_4,
 527   GADGET_ID_MAGIC_BALL_CONTENT_5,
 528   GADGET_ID_MAGIC_BALL_CONTENT_6,
 529   GADGET_ID_MAGIC_BALL_CONTENT_7,
 530   GADGET_ID_ANDROID_CONTENT,
 531   GADGET_ID_AMOEBA_CONTENT,
 532   GADGET_ID_START_ELEMENT,
 533   GADGET_ID_ARTWORK_ELEMENT,
 534   GADGET_ID_EXPLOSION_ELEMENT,
 535   GADGET_ID_INVENTORY_CONTENT,
 536   GADGET_ID_CUSTOM_GRAPHIC,
 537   GADGET_ID_CUSTOM_CONTENT,
 538   GADGET_ID_CUSTOM_MOVE_ENTER,
 539   GADGET_ID_CUSTOM_MOVE_LEAVE,
 540   GADGET_ID_CUSTOM_CHANGE_TARGET,
 541   GADGET_ID_CUSTOM_CHANGE_CONTENT,
 542   GADGET_ID_CUSTOM_CHANGE_TRIGGER,
 543   GADGET_ID_CUSTOM_CHANGE_ACTION,
 544   GADGET_ID_GROUP_CONTENT,
 545   GADGET_ID_RANDOM_BACKGROUND,
 546
 547   // text input identifiers
 548
 549   GADGET_ID_LEVEL_NAME,
 550   GADGET_ID_LEVEL_AUTHOR,
 551   GADGET_ID_LEVELSET_NAME,
 552   GADGET_ID_LEVELSET_AUTHOR,
 553   GADGET_ID_ELEMENT_NAME,
 554
 555   // text area identifiers
 556
 557   GADGET_ID_ENVELOPE_INFO,
 558
 559   // selectbox identifiers
 560
 561   GADGET_ID_TIME_OR_STEPS,
 562   GADGET_ID_GAME_ENGINE_TYPE,
 563   GADGET_ID_LEVELSET_SAVE_MODE,
 564   GADGET_ID_WIND_DIRECTION,
 565   GADGET_ID_PLAYER_SPEED,
 566   GADGET_ID_CUSTOM_WALK_TO_ACTION,
 567   GADGET_ID_CUSTOM_EXPLOSION_TYPE,
 568   GADGET_ID_CUSTOM_DEADLINESS,
 569   GADGET_ID_CUSTOM_MOVE_PATTERN,
 570   GADGET_ID_CUSTOM_MOVE_DIRECTION,
 571   GADGET_ID_CUSTOM_MOVE_STEPSIZE,
 572   GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
 573   GADGET_ID_CUSTOM_SMASH_TARGETS,
 574   GADGET_ID_CUSTOM_SLIPPERY_TYPE,
 575   GADGET_ID_CUSTOM_ACCESS_TYPE,
 576   GADGET_ID_CUSTOM_ACCESS_LAYER,
 577   GADGET_ID_CUSTOM_ACCESS_PROTECTED,
 578   GADGET_ID_CUSTOM_ACCESS_DIRECTION,
 579   GADGET_ID_CHANGE_TIME_UNITS,
 580   GADGET_ID_CHANGE_DIRECT_ACTION,
 581   GADGET_ID_CHANGE_OTHER_ACTION,
 582   GADGET_ID_CHANGE_SIDE,
 583   GADGET_ID_CHANGE_PLAYER,
 584   GADGET_ID_CHANGE_PAGE,
 585   GADGET_ID_CHANGE_REPLACE_WHEN,
 586   GADGET_ID_ACTION_TYPE,
 587   GADGET_ID_ACTION_MODE,
 588   GADGET_ID_ACTION_ARG,
 589   GADGET_ID_SELECT_CHANGE_PAGE,
 590   GADGET_ID_GROUP_CHOICE_MODE,
 591
 592   // textbutton identifiers
 593
 594   GADGET_ID_LEVELINFO_LEVEL,
 595   GADGET_ID_LEVELINFO_LEVELSET,
 596   GADGET_ID_LEVELINFO_EDITOR,
 597   GADGET_ID_PROPERTIES_INFO,
 598   GADGET_ID_PROPERTIES_CONFIG,
 599   GADGET_ID_PROPERTIES_CONFIG_1,
 600   GADGET_ID_PROPERTIES_CONFIG_2,
 601   GADGET_ID_PROPERTIES_CHANGE,
 602   GADGET_ID_SAVE_AS_TEMPLATE_1,
 603   GADGET_ID_SAVE_AS_TEMPLATE_2,
 604   GADGET_ID_SAVE_LEVELSET,
 605   GADGET_ID_ADD_CHANGE_PAGE,
 606   GADGET_ID_DEL_CHANGE_PAGE,
 607
 608   // graphicbutton identifiers
 609
 610   GADGET_ID_PREV_CHANGE_PAGE,
 611   GADGET_ID_NEXT_CHANGE_PAGE,
 612   GADGET_ID_COPY_CHANGE_PAGE,
 613   GADGET_ID_PASTE_CHANGE_PAGE,
 614
 615   // gadgets for scrolling of drawing area
 616
 617   GADGET_ID_SCROLL_UP,
 618   GADGET_ID_SCROLL_DOWN,
 619   GADGET_ID_SCROLL_LEFT,
 620   GADGET_ID_SCROLL_RIGHT,
 621   GADGET_ID_SCROLL_HORIZONTAL,
 622   GADGET_ID_SCROLL_VERTICAL,
 623
 624   // gadgets for scrolling element list
 625
 626   GADGET_ID_SCROLL_LIST_UP,
 627   GADGET_ID_SCROLL_LIST_DOWN,
 628   GADGET_ID_SCROLL_LIST_VERTICAL,
 629
 630   // checkbuttons/radiobuttons for level/element properties
 631
 632   GADGET_ID_AUTO_COUNT_GEMS,
 633   GADGET_ID_USE_LEVELSET_ARTWORK,
 634   GADGET_ID_COPY_LEVEL_TEMPLATE,
 635   GADGET_ID_RANDOM_PERCENTAGE,
 636   GADGET_ID_RANDOM_QUANTITY,
 637   GADGET_ID_RANDOM_RESTRICTED,
 638   GADGET_ID_STICK_ELEMENT,
 639   GADGET_ID_EM_SLIPPERY_GEMS,
 640   GADGET_ID_EM_EXPLODES_BY_FIRE,
 641   GADGET_ID_USE_SPRING_BUG,
 642   GADGET_ID_USE_TIME_ORB_BUG,
 643   GADGET_ID_USE_LIFE_BUGS,
 644   GADGET_ID_RANDOM_BALL_CONTENT,
 645   GADGET_ID_INITIAL_BALL_ACTIVE,
 646   GADGET_ID_GROW_INTO_DIGGABLE,
 647   GADGET_ID_SB_FIELDS_NEEDED,
 648   GADGET_ID_SB_OBJECTS_NEEDED,
 649   GADGET_ID_AUTO_EXIT_SOKOBAN,
 650   GADGET_ID_SOLVED_BY_ONE_PLAYER,
 651   GADGET_ID_CONTINUOUS_SNAPPING,
 652   GADGET_ID_BLOCK_SNAP_FIELD,
 653   GADGET_ID_BLOCK_LAST_FIELD,
 654   GADGET_ID_SP_BLOCK_LAST_FIELD,
 655   GADGET_ID_INSTANT_RELOCATION,
 656   GADGET_ID_SHIFTED_RELOCATION,
 657   GADGET_ID_LAZY_RELOCATION,
 658   GADGET_ID_USE_START_ELEMENT,
 659   GADGET_ID_USE_ARTWORK_ELEMENT,
 660   GADGET_ID_USE_EXPLOSION_ELEMENT,
 661   GADGET_ID_INITIAL_GRAVITY,
 662   GADGET_ID_USE_INITIAL_INVENTORY,
 663   GADGET_ID_CAN_PASS_TO_WALKABLE,
 664   GADGET_ID_CAN_FALL_INTO_ACID,
 665   GADGET_ID_CAN_MOVE_INTO_ACID,
 666   GADGET_ID_DONT_COLLIDE_WITH,
 667   GADGET_ID_ENVELOPE_AUTOWRAP,
 668   GADGET_ID_ENVELOPE_CENTERED,
 669   GADGET_ID_MM_LASER_RED,
 670   GADGET_ID_MM_LASER_GREEN,
 671   GADGET_ID_MM_LASER_BLUE,
 672   GADGET_ID_DF_LASER_RED,
 673   GADGET_ID_DF_LASER_GREEN,
 674   GADGET_ID_DF_LASER_BLUE,
 675   GADGET_ID_CUSTOM_INDESTRUCTIBLE,
 676   GADGET_ID_CUSTOM_CAN_EXPLODE,
 677   GADGET_ID_CUSTOM_EXPLODE_FIRE,
 678   GADGET_ID_CUSTOM_EXPLODE_SMASH,
 679   GADGET_ID_CUSTOM_EXPLODE_IMPACT,
 680   GADGET_ID_CUSTOM_WALK_TO_OBJECT,
 681   GADGET_ID_CUSTOM_DEADLY,
 682   GADGET_ID_CUSTOM_CAN_MOVE,
 683   GADGET_ID_CUSTOM_CAN_FALL,
 684   GADGET_ID_CUSTOM_CAN_SMASH,
 685   GADGET_ID_CUSTOM_SLIPPERY,
 686   GADGET_ID_CUSTOM_ACCESSIBLE,
 687   GADGET_ID_CUSTOM_GRAV_REACHABLE,
 688   GADGET_ID_CUSTOM_USE_LAST_VALUE,
 689   GADGET_ID_CUSTOM_USE_GRAPHIC,
 690   GADGET_ID_CUSTOM_USE_TEMPLATE_1,
 691   GADGET_ID_CUSTOM_USE_TEMPLATE_2,
 692   GADGET_ID_CUSTOM_USE_TEMPLATE_3,
 693   GADGET_ID_CUSTOM_CAN_CHANGE,
 694   GADGET_ID_CHANGE_USE_CONTENT,
 695   GADGET_ID_CHANGE_USE_EXPLOSION,
 696   GADGET_ID_CHANGE_ONLY_COMPLETE,
 697   GADGET_ID_CHANGE_USE_RANDOM,
 698   GADGET_ID_CHANGE_HAS_ACTION,
 699   GADGET_ID_CHANGE_DELAY,
 700   GADGET_ID_CHANGE_BY_DIRECT_ACT,
 701   GADGET_ID_CHANGE_BY_OTHER_ACT,
 702
 703   NUM_STATIC_GADGET_IDS
 704 };
 705
 706 // gadgets for buttons in element list (dynamic)
 707 #define GADGET_ID_ELEMENTLIST_FIRST     (NUM_STATIC_GADGET_IDS)
 708 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 709                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 710
 711 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 712
 713 // radio button numbers
 714 enum
 715 {
 716   RADIO_NR_NONE,
 717   RADIO_NR_DRAWING_TOOLBOX,
 718   RADIO_NR_RANDOM_ELEMENTS
 719 };
 720
 721 // values for counter gadgets
 722 enum
 723 {
 724   ED_COUNTER_ID_SELECT_LEVEL,
 725   ED_COUNTER_ID_LEVEL_XSIZE,
 726   ED_COUNTER_ID_LEVEL_YSIZE,
 727   ED_COUNTER_ID_LEVEL_GEMSLIMIT,
 728   ED_COUNTER_ID_LEVEL_TIMELIMIT,
 729   ED_COUNTER_ID_LEVEL_TIMESCORE,
 730   ED_COUNTER_ID_LEVEL_RANDOM_SEED,
 731   ED_COUNTER_ID_LEVELSET_NUM_LEVELS,
 732   ED_COUNTER_ID_LEVEL_RANDOM,
 733   ED_COUNTER_ID_ELEMENT_VALUE1,
 734   ED_COUNTER_ID_ELEMENT_VALUE2,
 735   ED_COUNTER_ID_ELEMENT_VALUE3,
 736   ED_COUNTER_ID_ELEMENT_VALUE4,
 737   ED_COUNTER_ID_YAMYAM_CONTENT,
 738   ED_COUNTER_ID_BALL_CONTENT,
 739   ED_COUNTER_ID_ANDROID_CONTENT,
 740   ED_COUNTER_ID_ENVELOPE_XSIZE,
 741   ED_COUNTER_ID_ENVELOPE_YSIZE,
 742   ED_COUNTER_ID_INVENTORY_SIZE,
 743   ED_COUNTER_ID_CUSTOM_SCORE,
 744   ED_COUNTER_ID_CUSTOM_GEMCOUNT,
 745   ED_COUNTER_ID_CUSTOM_VALUE_FIX,
 746   ED_COUNTER_ID_CUSTOM_VALUE_RND,
 747   ED_COUNTER_ID_PUSH_DELAY_FIX,
 748   ED_COUNTER_ID_PUSH_DELAY_RND,
 749   ED_COUNTER_ID_DROP_DELAY_FIX,
 750   ED_COUNTER_ID_DROP_DELAY_RND,
 751   ED_COUNTER_ID_MOVE_DELAY_FIX,
 752   ED_COUNTER_ID_MOVE_DELAY_RND,
 753   ED_COUNTER_ID_EXPLOSION_DELAY,
 754   ED_COUNTER_ID_IGNITION_DELAY,
 755   ED_COUNTER_ID_GROUP_CONTENT,
 756   ED_COUNTER_ID_CHANGE_DELAY_FIX,
 757   ED_COUNTER_ID_CHANGE_DELAY_RND,
 758   ED_COUNTER_ID_CHANGE_CONT_RND,
 759
 760   ED_NUM_COUNTERBUTTONS
 761 };
 762
 763 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 764 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM_SEED
 765 #define ED_COUNTER_ID_LEVELSET_FIRST    ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 766 #define ED_COUNTER_ID_LEVELSET_LAST     ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 767 #define ED_COUNTER_ID_EDITOR_FIRST      ED_COUNTER_ID_LEVEL_RANDOM
 768 #define ED_COUNTER_ID_EDITOR_LAST       ED_COUNTER_ID_LEVEL_RANDOM
 769
 770 #define ED_COUNTER_ID_CUSTOM1_FIRST     ED_COUNTER_ID_CUSTOM_SCORE
 771 #define ED_COUNTER_ID_CUSTOM1_LAST      ED_COUNTER_ID_DROP_DELAY_RND
 772 #define ED_COUNTER_ID_CUSTOM2_FIRST     ED_COUNTER_ID_MOVE_DELAY_FIX
 773 #define ED_COUNTER_ID_CUSTOM2_LAST      ED_COUNTER_ID_IGNITION_DELAY
 774 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM1_FIRST
 775 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_CUSTOM2_LAST
 776
 777 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 778 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 779
 780 // values for scrollbutton gadgets
 781 enum
 782 {
 783   ED_SCROLLBUTTON_ID_AREA_UP,
 784   ED_SCROLLBUTTON_ID_AREA_DOWN,
 785   ED_SCROLLBUTTON_ID_AREA_LEFT,
 786   ED_SCROLLBUTTON_ID_AREA_RIGHT,
 787   ED_SCROLLBUTTON_ID_LIST_UP,
 788   ED_SCROLLBUTTON_ID_LIST_DOWN,
 789
 790   ED_NUM_SCROLLBUTTONS
 791 };
 792
 793 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 794 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 795
 796 // values for scrollbar gadgets
 797 enum
 798 {
 799   ED_SCROLLBAR_ID_AREA_HORIZONTAL,
 800   ED_SCROLLBAR_ID_AREA_VERTICAL,
 801   ED_SCROLLBAR_ID_LIST_VERTICAL,
 802
 803   ED_NUM_SCROLLBARS
 804 };
 805
 806 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 807 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 808
 809 // values for text input gadgets
 810 enum
 811 {
 812   ED_TEXTINPUT_ID_LEVEL_NAME,
 813   ED_TEXTINPUT_ID_LEVEL_AUTHOR,
 814   ED_TEXTINPUT_ID_LEVELSET_NAME,
 815   ED_TEXTINPUT_ID_LEVELSET_AUTHOR,
 816   ED_TEXTINPUT_ID_ELEMENT_NAME,
 817
 818   ED_NUM_TEXTINPUT
 819 };
 820
 821 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 822 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 823
 824 #define ED_TEXTINPUT_ID_LEVELSET_FIRST  ED_TEXTINPUT_ID_LEVELSET_NAME
 825 #define ED_TEXTINPUT_ID_LEVELSET_LAST   ED_TEXTINPUT_ID_LEVELSET_AUTHOR
 826
 827 // values for text area gadgets
 828 enum
 829 {
 830   ED_TEXTAREA_ID_ENVELOPE_INFO,
 831
 832   ED_NUM_TEXTAREAS
 833 };
 834
 835 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
 836 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
 837
 838 // values for selectbox gadgets
 839 enum
 840 {
 841   ED_SELECTBOX_ID_TIME_OR_STEPS,
 842   ED_SELECTBOX_ID_GAME_ENGINE_TYPE,
 843   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE,
 844   ED_SELECTBOX_ID_WIND_DIRECTION,
 845   ED_SELECTBOX_ID_PLAYER_SPEED,
 846   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE,
 847   ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER,
 848   ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED,
 849   ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION,
 850   ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION,
 851   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN,
 852   ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION,
 853   ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE,
 854   ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE,
 855   ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS,
 856   ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE,
 857   ED_SELECTBOX_ID_CUSTOM_DEADLINESS,
 858   ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE,
 859   ED_SELECTBOX_ID_CHANGE_TIME_UNITS,
 860   ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION,
 861   ED_SELECTBOX_ID_CHANGE_OTHER_ACTION,
 862   ED_SELECTBOX_ID_CHANGE_SIDE,
 863   ED_SELECTBOX_ID_CHANGE_PLAYER,
 864   ED_SELECTBOX_ID_CHANGE_PAGE,
 865   ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN,
 866   ED_SELECTBOX_ID_ACTION_TYPE,
 867   ED_SELECTBOX_ID_ACTION_MODE,
 868   ED_SELECTBOX_ID_ACTION_ARG,
 869   ED_SELECTBOX_ID_SELECT_CHANGE_PAGE,
 870   ED_SELECTBOX_ID_GROUP_CHOICE_MODE,
 871
 872   ED_NUM_SELECTBOX
 873 };
 874
 875 #define ED_SELECTBOX_ID_LEVEL_FIRST     ED_SELECTBOX_ID_TIME_OR_STEPS
 876 #define ED_SELECTBOX_ID_LEVEL_LAST      ED_SELECTBOX_ID_GAME_ENGINE_TYPE
 877
 878 #define ED_SELECTBOX_ID_LEVELSET_FIRST  ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 879 #define ED_SELECTBOX_ID_LEVELSET_LAST   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 880
 881 #define ED_SELECTBOX_ID_CUSTOM1_FIRST   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
 882 #define ED_SELECTBOX_ID_CUSTOM1_LAST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
 883 #define ED_SELECTBOX_ID_CUSTOM2_FIRST   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN
 884 #define ED_SELECTBOX_ID_CUSTOM2_LAST    ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE
 885 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM1_FIRST
 886 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM2_LAST
 887
 888 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 889 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
 890
 891 // values for textbutton gadgets
 892 enum
 893 {
 894   ED_TEXTBUTTON_ID_LEVELINFO_LEVEL,
 895   ED_TEXTBUTTON_ID_LEVELINFO_LEVELSET,
 896   ED_TEXTBUTTON_ID_LEVELINFO_EDITOR,
 897   ED_TEXTBUTTON_ID_PROPERTIES_INFO,
 898   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG,
 899   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1,
 900   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2,
 901   ED_TEXTBUTTON_ID_PROPERTIES_CHANGE,
 902   ED_TEXTBUTTON_ID_SAVE_LEVELSET,
 903   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2,
 904   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1,
 905   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE,
 906   ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE,
 907
 908   ED_NUM_TEXTBUTTONS
 909 };
 910
 911 #define ED_TAB_BUTTON_ID_LEVELINFO_FIRST ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
 912 #define ED_TAB_BUTTON_ID_LEVELINFO_LAST  ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
 913
 914 #define ED_TAB_BUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
 915 #define ED_TAB_BUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
 916
 917 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE
 918 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
 919
 920 // values for graphicbutton gadgets
 921 enum
 922 {
 923   ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE,
 924   ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE,
 925   ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE,
 926   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE,
 927
 928   ED_NUM_GRAPHICBUTTONS
 929 };
 930
 931 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST  ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
 932 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE
 933
 934 // values for checkbutton gadgets
 935 enum
 936 {
 937   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS,
 938   ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK,
 939   ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE,
 940   ED_CHECKBUTTON_ID_RANDOM_RESTRICTED,
 941   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3,
 942   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2,
 943   ED_CHECKBUTTON_ID_STICK_ELEMENT,
 944   ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS,
 945   ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE,
 946   ED_CHECKBUTTON_ID_USE_SPRING_BUG,
 947   ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG,
 948   ED_CHECKBUTTON_ID_USE_LIFE_BUGS,
 949   ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT,
 950   ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE,
 951   ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE,
 952   ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED,
 953   ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED,
 954   ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN,
 955   ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER,
 956   ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING,
 957   ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD,
 958   ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD,
 959   ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD,
 960   ED_CHECKBUTTON_ID_INSTANT_RELOCATION,
 961   ED_CHECKBUTTON_ID_SHIFTED_RELOCATION,
 962   ED_CHECKBUTTON_ID_LAZY_RELOCATION,
 963   ED_CHECKBUTTON_ID_USE_START_ELEMENT,
 964   ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT,
 965   ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT,
 966   ED_CHECKBUTTON_ID_INITIAL_GRAVITY,
 967   ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY,
 968   ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE,
 969   ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID,
 970   ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID,
 971   ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH,
 972   ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP,
 973   ED_CHECKBUTTON_ID_ENVELOPE_CENTERED,
 974   ED_CHECKBUTTON_ID_MM_LASER_RED,
 975   ED_CHECKBUTTON_ID_MM_LASER_GREEN,
 976   ED_CHECKBUTTON_ID_MM_LASER_BLUE,
 977   ED_CHECKBUTTON_ID_DF_LASER_RED,
 978   ED_CHECKBUTTON_ID_DF_LASER_GREEN,
 979   ED_CHECKBUTTON_ID_DF_LASER_BLUE,
 980   ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC,
 981   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1,
 982   ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE,
 983   ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE,
 984   ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE,
 985   ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT,
 986   ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE,
 987   ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE,
 988   ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL,
 989   ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH,
 990   ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY,
 991   ED_CHECKBUTTON_ID_CUSTOM_DEADLY,
 992   ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE,
 993   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE,
 994   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH,
 995   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT,
 996   ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE,
 997   ED_CHECKBUTTON_ID_CHANGE_DELAY,
 998   ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT,
 999   ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT,
1000   ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION,
1001   ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT,
1002   ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE,
1003   ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM,
1004   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION,
1005
1006   ED_NUM_CHECKBUTTONS
1007 };
1008
1009 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS
1010 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS
1011
1012 #define ED_CHECKBUTTON_ID_LEVELSET_FIRST ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK
1013 #define ED_CHECKBUTTON_ID_LEVELSET_LAST  ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE
1014
1015 #define ED_CHECKBUTTON_ID_EDITOR_FIRST  ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
1016 #define ED_CHECKBUTTON_ID_EDITOR_LAST   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2
1017
1018 #define ED_CHECKBUTTON_ID_CUSTOM1_FIRST ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
1019 #define ED_CHECKBUTTON_ID_CUSTOM1_LAST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
1020 #define ED_CHECKBUTTON_ID_CUSTOM2_FIRST ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE
1021 #define ED_CHECKBUTTON_ID_CUSTOM2_LAST  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
1022 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM1_FIRST
1023 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM2_LAST
1024
1025 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE
1026 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION
1027
1028 // values for radiobutton gadgets
1029 enum
1030 {
1031   ED_RADIOBUTTON_ID_PERCENTAGE,
1032   ED_RADIOBUTTON_ID_QUANTITY,
1033
1034   ED_NUM_RADIOBUTTONS
1035 };
1036
1037 #define ED_RADIOBUTTON_ID_EDITOR_FIRST  ED_RADIOBUTTON_ID_PERCENTAGE
1038 #define ED_RADIOBUTTON_ID_EDITOR_LAST   ED_RADIOBUTTON_ID_QUANTITY
1039
1040 // values for drawing area gadgets
1041 enum
1042 {
1043   ED_DRAWING_ID_DRAWING_LEVEL,
1044   ED_DRAWING_ID_YAMYAM_CONTENT_0,
1045   ED_DRAWING_ID_YAMYAM_CONTENT_1,
1046   ED_DRAWING_ID_YAMYAM_CONTENT_2,
1047   ED_DRAWING_ID_YAMYAM_CONTENT_3,
1048   ED_DRAWING_ID_YAMYAM_CONTENT_4,
1049   ED_DRAWING_ID_YAMYAM_CONTENT_5,
1050   ED_DRAWING_ID_YAMYAM_CONTENT_6,
1051   ED_DRAWING_ID_YAMYAM_CONTENT_7,
1052   ED_DRAWING_ID_MAGIC_BALL_CONTENT_0,
1053   ED_DRAWING_ID_MAGIC_BALL_CONTENT_1,
1054   ED_DRAWING_ID_MAGIC_BALL_CONTENT_2,
1055   ED_DRAWING_ID_MAGIC_BALL_CONTENT_3,
1056   ED_DRAWING_ID_MAGIC_BALL_CONTENT_4,
1057   ED_DRAWING_ID_MAGIC_BALL_CONTENT_5,
1058   ED_DRAWING_ID_MAGIC_BALL_CONTENT_6,
1059   ED_DRAWING_ID_MAGIC_BALL_CONTENT_7,
1060   ED_DRAWING_ID_ANDROID_CONTENT,
1061   ED_DRAWING_ID_AMOEBA_CONTENT,
1062   ED_DRAWING_ID_START_ELEMENT,
1063   ED_DRAWING_ID_ARTWORK_ELEMENT,
1064   ED_DRAWING_ID_EXPLOSION_ELEMENT,
1065   ED_DRAWING_ID_INVENTORY_CONTENT,
1066   ED_DRAWING_ID_CUSTOM_GRAPHIC,
1067   ED_DRAWING_ID_CUSTOM_CONTENT,
1068   ED_DRAWING_ID_CUSTOM_MOVE_ENTER,
1069   ED_DRAWING_ID_CUSTOM_MOVE_LEAVE,
1070   ED_DRAWING_ID_CUSTOM_CHANGE_TARGET,
1071   ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT,
1072   ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER,
1073   ED_DRAWING_ID_CUSTOM_CHANGE_ACTION,
1074   ED_DRAWING_ID_GROUP_CONTENT,
1075   ED_DRAWING_ID_RANDOM_BACKGROUND,
1076
1077   ED_NUM_DRAWING_AREAS
1078 };
1079
1080 #define ED_DRAWING_ID_EDITOR_FIRST      ED_DRAWING_ID_RANDOM_BACKGROUND
1081 #define ED_DRAWING_ID_EDITOR_LAST       ED_DRAWING_ID_RANDOM_BACKGROUND
1082
1083
1084 // ----------------------------------------------------------------------------
1085 // some internally used definitions
1086 // ----------------------------------------------------------------------------
1087
1088 // values for CopyLevelToUndoBuffer()
1089 #define UNDO_IMMEDIATE                  0
1090 #define UNDO_ACCUMULATE                 1
1091
1092 // values for scrollbars
1093 #define ED_SCROLL_NO                    0
1094 #define ED_SCROLL_LEFT                  1
1095 #define ED_SCROLL_RIGHT                 2
1096 #define ED_SCROLL_UP                    4
1097 #define ED_SCROLL_DOWN                  8
1098
1099 // screens in the level editor
1100 #define ED_MODE_DRAWING                 0
1101 #define ED_MODE_INFO                    1
1102 #define ED_MODE_PROPERTIES              2
1103 #define ED_MODE_PALETTE                 3
1104
1105 // sub-screens in the global settings section
1106 #define ED_MODE_LEVELINFO_LEVEL         ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
1107 #define ED_MODE_LEVELINFO_LEVELSET      ED_TEXTBUTTON_ID_LEVELINFO_LEVELSET
1108 #define ED_MODE_LEVELINFO_EDITOR        ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
1109
1110 // sub-screens in the element properties section
1111 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
1112 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
1113 #define ED_MODE_PROPERTIES_CONFIG_1     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1
1114 #define ED_MODE_PROPERTIES_CONFIG_2     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2
1115 #define ED_MODE_PROPERTIES_CHANGE       ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
1116
1117 // how many steps can be cancelled
1118 #define NUM_UNDO_STEPS                  (64 + 1)
1119
1120 // values for elements with score for certain actions
1121 #define MIN_SCORE                       0
1122 #define MAX_SCORE                       999
1123
1124 // values for elements with count for collecting
1125 #define MIN_COLLECT_COUNT               0
1126 #define MAX_COLLECT_COUNT               999
1127
1128 // values for random placement
1129 #define RANDOM_USE_PERCENTAGE           0
1130 #define RANDOM_USE_QUANTITY             1
1131
1132 // values for level set save mode
1133 #define LEVELSET_SAVE_MODE_UPDATE       0
1134 #define LEVELSET_SAVE_MODE_CREATE       1
1135
1136 // default value for element tile size in drawing area
1137 #define DEFAULT_EDITOR_TILESIZE         MINI_TILESIZE
1138 #define DEFAULT_EDITOR_TILESIZE_MM      TILESIZE
1139
1140
1141 // ----------------------------------------------------------------------------
1142 // some internally used data structure definitions
1143 // ----------------------------------------------------------------------------
1144
1145 static struct
1146 {
1147   int graphic;
1148   int gadget_id;
1149   struct XYTileSize *pos;
1150   int gadget_type;
1151   char *infotext;
1152   char shortcut;
1153 } controlbutton_info[ED_NUM_CTRL_BUTTONS] =
1154 {
1155   // note: some additional characters are already reserved for "cheat mode"
1156   // shortcuts (":XYZ" style) -- for details, see "events.c"
1157
1158   // ---------- toolbox control buttons ---------------------------------------
1159
1160   {
1161     IMG_GFX_EDITOR_BUTTON_DRAW_SINGLE,          GADGET_ID_SINGLE_ITEMS,
1162     &editor.button.draw_single,                 GD_TYPE_RADIO_BUTTON,
1163     "draw single items",                        's'
1164   },
1165   {
1166     IMG_GFX_EDITOR_BUTTON_DRAW_CONNECTED,       GADGET_ID_CONNECTED_ITEMS,
1167     &editor.button.draw_connected,              GD_TYPE_RADIO_BUTTON,
1168     "draw connected items",                     'd'
1169   },
1170   {
1171     IMG_GFX_EDITOR_BUTTON_DRAW_LINE,            GADGET_ID_LINE,
1172     &editor.button.draw_line,                   GD_TYPE_RADIO_BUTTON,
1173     "draw lines",                               'l'
1174   },
1175   {
1176     IMG_GFX_EDITOR_BUTTON_DRAW_ARC,             GADGET_ID_ARC,
1177     &editor.button.draw_arc,                    GD_TYPE_RADIO_BUTTON,
1178     "draw arcs",                                'a'
1179   },
1180   {
1181     IMG_GFX_EDITOR_BUTTON_DRAW_RECTANGLE,       GADGET_ID_RECTANGLE,
1182     &editor.button.draw_rectangle,              GD_TYPE_RADIO_BUTTON,
1183     "draw outline rectangles",                  'r'
1184   },
1185   {
1186     IMG_GFX_EDITOR_BUTTON_DRAW_FILLED_BOX,      GADGET_ID_FILLED_BOX,
1187     &editor.button.draw_filled_box,             GD_TYPE_RADIO_BUTTON,
1188     "draw filled rectangles",                   'R'
1189   },
1190   {
1191     IMG_GFX_EDITOR_BUTTON_ROTATE_UP,            GADGET_ID_WRAP_UP,
1192     &editor.button.rotate_up,                   GD_TYPE_NORMAL_BUTTON,
1193     "wrap (rotate) level up",                   0
1194   },
1195   {
1196     IMG_GFX_EDITOR_BUTTON_DRAW_TEXT,            GADGET_ID_TEXT,
1197     &editor.button.draw_text,                   GD_TYPE_RADIO_BUTTON,
1198     "enter text elements",                      't'
1199   },
1200   {
1201     IMG_GFX_EDITOR_BUTTON_FLOOD_FILL,           GADGET_ID_FLOOD_FILL,
1202     &editor.button.flood_fill,                  GD_TYPE_RADIO_BUTTON,
1203     "flood fill",                               'f'
1204   },
1205   {
1206     IMG_GFX_EDITOR_BUTTON_ROTATE_LEFT,          GADGET_ID_WRAP_LEFT,
1207     &editor.button.rotate_left,                 GD_TYPE_NORMAL_BUTTON,
1208     "wrap (rotate) level left",                 0
1209   },
1210   {
1211     IMG_GFX_EDITOR_BUTTON_ZOOM_LEVEL,           GADGET_ID_ZOOM,
1212     &editor.button.zoom_level,                  GD_TYPE_NORMAL_BUTTON,
1213     "zoom level tile size",                     '+'
1214   },
1215   {
1216     IMG_GFX_EDITOR_BUTTON_ROTATE_RIGHT,         GADGET_ID_WRAP_RIGHT,
1217     &editor.button.rotate_right,                GD_TYPE_NORMAL_BUTTON,
1218     "wrap (rotate) level right",                0
1219   },
1220   {
1221     IMG_GFX_EDITOR_BUTTON_DRAW_RANDOM,          GADGET_ID_RANDOM_PLACEMENT,
1222     &editor.button.draw_random,                 GD_TYPE_NORMAL_BUTTON,
1223     "random element placement",                 0
1224   },
1225   {
1226     IMG_GFX_EDITOR_BUTTON_GRAB_BRUSH,           GADGET_ID_GRAB_BRUSH,
1227     &editor.button.grab_brush,                  GD_TYPE_RADIO_BUTTON,
1228     "grab brush",                               'b'
1229   },
1230   {
1231     IMG_GFX_EDITOR_BUTTON_ROTATE_DOWN,          GADGET_ID_WRAP_DOWN,
1232     &editor.button.rotate_down,                 GD_TYPE_NORMAL_BUTTON,
1233     "wrap (rotate) level down",                 0
1234   },
1235   {
1236     IMG_GFX_EDITOR_BUTTON_PICK_ELEMENT,         GADGET_ID_PICK_ELEMENT,
1237     &editor.button.pick_element,                GD_TYPE_RADIO_BUTTON,
1238     "pick drawing element",                     ','
1239   },
1240
1241   // ---------- level control buttons -----------------------------------------
1242
1243   {
1244     IMG_GFX_EDITOR_BUTTON_UNDO,                 GADGET_ID_UNDO,
1245     &editor.button.undo,                        GD_TYPE_NORMAL_BUTTON,
1246     "undo/redo last operation",                 'u'
1247   },
1248   {
1249     IMG_GFX_EDITOR_BUTTON_CONF,                 GADGET_ID_INFO,
1250     &editor.button.conf,                        GD_TYPE_NORMAL_BUTTON,
1251     "properties of level",                      'I'
1252   },
1253   {
1254     IMG_GFX_EDITOR_BUTTON_SAVE,                 GADGET_ID_SAVE,
1255     &editor.button.save,                        GD_TYPE_NORMAL_BUTTON,
1256     "save level",                               'S'
1257   },
1258   {
1259     IMG_GFX_EDITOR_BUTTON_CLEAR,                GADGET_ID_CLEAR,
1260     &editor.button.clear,                       GD_TYPE_NORMAL_BUTTON,
1261     "clear level",                              'C'
1262   },
1263   {
1264     IMG_GFX_EDITOR_BUTTON_TEST,                 GADGET_ID_TEST,
1265     &editor.button.test,                        GD_TYPE_NORMAL_BUTTON,
1266     "test level",                               'T'
1267   },
1268   {
1269     IMG_GFX_EDITOR_BUTTON_EXIT,                 GADGET_ID_EXIT,
1270     &editor.button.exit,                        GD_TYPE_NORMAL_BUTTON,
1271     "exit level editor",                        'E'
1272   },
1273
1274   // ---------- CE and GE control buttons -------------------------------------
1275
1276   {
1277     IMG_GFX_EDITOR_BUTTON_CE_COPY_FROM,         GADGET_ID_CUSTOM_COPY_FROM,
1278     &editor.button.ce_copy_from,                GD_TYPE_RADIO_BUTTON,
1279     "copy settings from other element",         0
1280   },
1281   {
1282     IMG_GFX_EDITOR_BUTTON_CE_COPY_TO,           GADGET_ID_CUSTOM_COPY_TO,
1283     &editor.button.ce_copy_to,                  GD_TYPE_RADIO_BUTTON,
1284     "copy settings to other element",           0
1285   },
1286   {
1287     IMG_GFX_EDITOR_BUTTON_CE_SWAP,              GADGET_ID_CUSTOM_EXCHANGE,
1288     &editor.button.ce_swap,                     GD_TYPE_RADIO_BUTTON,
1289     "exchange element with other element",      0
1290   },
1291   {
1292     IMG_GFX_EDITOR_BUTTON_CE_COPY,              GADGET_ID_CUSTOM_COPY,
1293     &editor.button.ce_copy,                     GD_TYPE_NORMAL_BUTTON,
1294     "copy settings from this element",          0
1295   },
1296   {
1297     IMG_GFX_EDITOR_BUTTON_CE_PASTE,             GADGET_ID_CUSTOM_PASTE,
1298     &editor.button.ce_paste,                    GD_TYPE_NORMAL_BUTTON,
1299     "paste settings to this element",           0
1300   },
1301
1302   // ---------- palette control buttons ---------------------------------------
1303
1304   {
1305     IMG_GFX_EDITOR_BUTTON_PROPERTIES,           GADGET_ID_PROPERTIES,
1306     &editor.button.properties,                  GD_TYPE_NORMAL_BUTTON,
1307     "properties of drawing element",            'p'
1308   },
1309   {
1310     IMG_GFX_EDITOR_BUTTON_ELEMENT_LEFT,         GADGET_ID_ELEMENT_LEFT,
1311     &editor.button.element_left,                GD_TYPE_NORMAL_BUTTON,
1312     "properties of drawing element 1",          '1'
1313   },
1314   {
1315     IMG_GFX_EDITOR_BUTTON_ELEMENT_MIDDLE,       GADGET_ID_ELEMENT_MIDDLE,
1316     &editor.button.element_middle,              GD_TYPE_NORMAL_BUTTON,
1317     "properties of drawing element 2",          '2'
1318   },
1319   {
1320     IMG_GFX_EDITOR_BUTTON_ELEMENT_RIGHT,        GADGET_ID_ELEMENT_RIGHT,
1321     &editor.button.element_right,               GD_TYPE_NORMAL_BUTTON,
1322     "properties of drawing element 3",          '3'
1323   },
1324   {
1325     IMG_GFX_EDITOR_BUTTON_PALETTE,              GADGET_ID_PALETTE,
1326     &editor.button.palette,                     GD_TYPE_NORMAL_BUTTON,
1327     "show list of elements",                    'e'
1328   }
1329 };
1330
1331 static int random_placement_value = 10;
1332 static int random_placement_method = RANDOM_USE_QUANTITY;
1333 static int random_placement_background_element = EL_SAND;
1334 static boolean random_placement_background_restricted = FALSE;
1335 static boolean stick_element_properties_window = FALSE;
1336 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
1337 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
1338 static struct ElementChangeInfo custom_element_change;
1339 static struct ElementGroupInfo group_element_info;
1340 static struct ElementInfo custom_element;
1341
1342 static char levelset_name[MAX_LEVEL_NAME_LEN + 1];
1343 static char levelset_author[MAX_LEVEL_AUTHOR_LEN + 1];
1344 static int levelset_num_levels = 100;
1345 static boolean levelset_use_levelset_artwork = FALSE;
1346 static boolean levelset_copy_level_template = FALSE;
1347 static int levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
1348
1349 static struct
1350 {
1351   int x, y;
1352   int min_value, max_value;
1353   int gadget_id_down, gadget_id_up;
1354   int gadget_id_text;
1355   int gadget_id_align;
1356   int *value;
1357   char *text_above, *text_left, *text_right;
1358 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
1359 {
1360   // ---------- current level number ------------------------------------------
1361
1362   {
1363     -1, -1,     // these values are not constant, but can change at runtime
1364     1,                                  100,
1365     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
1366     GADGET_ID_SELECT_LEVEL_TEXT,        GADGET_ID_NONE,
1367     &level_nr,
1368     NULL,                               NULL, NULL
1369   },
1370
1371   // ---------- level and editor settings -------------------------------------
1372
1373   {
1374     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1375     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
1376     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
1377     GADGET_ID_LEVEL_XSIZE_TEXT,         GADGET_ID_NONE,
1378     &level.fieldx,
1379     "playfield size:",                  NULL, "width",
1380   },
1381   {
1382     -1,                                 ED_LEVEL_SETTINGS_YPOS(4),
1383     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
1384     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
1385     GADGET_ID_LEVEL_YSIZE_TEXT,         GADGET_ID_LEVEL_XSIZE_UP,
1386     &level.fieldy,
1387     NULL,                               " ", "height",
1388   },
1389   {
1390     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
1391     0,                                  999,
1392     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
1393     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,     GADGET_ID_NONE,
1394     &level.gems_needed,
1395     NULL,                               "number of gems to collect:", NULL
1396   },
1397   {
1398     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
1399     0,                                  9999,
1400     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
1401     GADGET_ID_LEVEL_TIMELIMIT_TEXT,     GADGET_ID_NONE,
1402     &level.time,
1403     "time or step limit to solve level:", NULL, NULL
1404   },
1405   {
1406     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
1407     0,                                  999,
1408     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
1409     GADGET_ID_LEVEL_TIMESCORE_TEXT,     GADGET_ID_NONE,
1410     &level.score[SC_TIME_BONUS],
1411     "score for each second/step left:", NULL, NULL
1412   },
1413   {
1414     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(12),
1415     0,                                  9999,
1416     GADGET_ID_LEVEL_RANDOM_SEED_DOWN,   GADGET_ID_LEVEL_RANDOM_SEED_UP,
1417     GADGET_ID_LEVEL_RANDOM_SEED_TEXT,   GADGET_ID_NONE,
1418     &level.random_seed,
1419     NULL,                               "random seed:", "(0 => random)"
1420   },
1421   {
1422     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1423     1,                                  MAX_LEVELS,
1424     GADGET_ID_LEVELSET_NUM_LEVELS_DOWN, GADGET_ID_LEVELSET_NUM_LEVELS_UP,
1425     GADGET_ID_LEVELSET_NUM_LEVELS_TEXT, GADGET_ID_NONE,
1426     &levelset_num_levels,
1427     "number of levels:",                NULL, NULL,
1428   },
1429   {
1430     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1431     1,                                  100,
1432     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
1433     GADGET_ID_LEVEL_RANDOM_TEXT,        GADGET_ID_NONE,
1434     &random_placement_value,
1435     "random element placement:",        NULL, "in"
1436   },
1437
1438   // ---------- element settings: configure (various elements) ----------------
1439
1440   {
1441     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1442     MIN_SCORE,                          MAX_SCORE,
1443     GADGET_ID_ELEMENT_VALUE1_DOWN,      GADGET_ID_ELEMENT_VALUE1_UP,
1444     GADGET_ID_ELEMENT_VALUE1_TEXT,      GADGET_ID_NONE,
1445     NULL,                               // will be set when used
1446     NULL,                               NULL, NULL
1447   },
1448   {
1449     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
1450     MIN_SCORE,                          MAX_SCORE,
1451     GADGET_ID_ELEMENT_VALUE2_DOWN,      GADGET_ID_ELEMENT_VALUE2_UP,
1452     GADGET_ID_ELEMENT_VALUE2_TEXT,      GADGET_ID_NONE,
1453     NULL,                               // will be set when used
1454     NULL,                               NULL, NULL
1455   },
1456   {
1457     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1458     MIN_SCORE,                          MAX_SCORE,
1459     GADGET_ID_ELEMENT_VALUE3_DOWN,      GADGET_ID_ELEMENT_VALUE3_UP,
1460     GADGET_ID_ELEMENT_VALUE3_TEXT,      GADGET_ID_NONE,
1461     NULL,                               // will be set when used
1462     NULL,                               NULL, NULL
1463   },
1464   {
1465     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1466     MIN_SCORE,                          MAX_SCORE,
1467     GADGET_ID_ELEMENT_VALUE4_DOWN,      GADGET_ID_ELEMENT_VALUE4_UP,
1468     GADGET_ID_ELEMENT_VALUE4_TEXT,      GADGET_ID_NONE,
1469     NULL,                               // will be set when used
1470     NULL,                               NULL, NULL
1471   },
1472   {
1473     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1474     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1475     GADGET_ID_YAMYAM_CONTENT_DOWN,      GADGET_ID_YAMYAM_CONTENT_UP,
1476     GADGET_ID_YAMYAM_CONTENT_TEXT,      GADGET_ID_NONE,
1477     &level.num_yamyam_contents,
1478     NULL,                               NULL, "number of content areas"
1479   },
1480   {
1481     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1482     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1483     GADGET_ID_BALL_CONTENT_DOWN,        GADGET_ID_BALL_CONTENT_UP,
1484     GADGET_ID_BALL_CONTENT_TEXT,        GADGET_ID_NONE,
1485     &level.num_ball_contents,
1486     NULL,                               NULL, "number of content areas"
1487   },
1488   {
1489     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1490     MIN_ANDROID_ELEMENTS,               MAX_ANDROID_ELEMENTS,
1491     GADGET_ID_ANDROID_CONTENT_DOWN,     GADGET_ID_ANDROID_CONTENT_UP,
1492     GADGET_ID_ANDROID_CONTENT_TEXT,     GADGET_ID_NONE,
1493     &level.num_android_clone_elements,
1494     NULL,                               NULL, "number of clonable elements"
1495   },
1496   {
1497     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1498     MIN_ENVELOPE_XSIZE,                 MAX_ENVELOPE_XSIZE,
1499     GADGET_ID_ENVELOPE_XSIZE_DOWN,      GADGET_ID_ENVELOPE_XSIZE_UP,
1500     GADGET_ID_ENVELOPE_XSIZE_TEXT,      GADGET_ID_NONE,
1501     NULL,                               // will be set when used
1502     NULL,                               NULL, "width",
1503   },
1504   {
1505     -1,                                 ED_ELEMENT_SETTINGS_YPOS(0),
1506     MIN_ENVELOPE_YSIZE,                 MAX_ENVELOPE_YSIZE,
1507     GADGET_ID_ENVELOPE_YSIZE_DOWN,      GADGET_ID_ENVELOPE_YSIZE_UP,
1508     GADGET_ID_ENVELOPE_YSIZE_TEXT,      GADGET_ID_ENVELOPE_XSIZE_UP,
1509     NULL,                               // will be set when used
1510     NULL,                               " ", "height",
1511   },
1512   {
1513     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1514     MIN_INITIAL_INVENTORY_SIZE,         MAX_INITIAL_INVENTORY_SIZE,
1515     GADGET_ID_INVENTORY_SIZE_DOWN,      GADGET_ID_INVENTORY_SIZE_UP,
1516     GADGET_ID_INVENTORY_SIZE_TEXT,      GADGET_ID_NONE,
1517     &level.initial_inventory_size[0],
1518     NULL,                               NULL, "number of inventory elements"
1519   },
1520
1521   // ---------- element settings: configure 1 (custom elements) ---------------
1522
1523   {
1524     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1525     MIN_SCORE,                          MAX_SCORE,
1526     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
1527     GADGET_ID_CUSTOM_SCORE_TEXT,        GADGET_ID_NONE,
1528     &custom_element.collect_score_initial,
1529     NULL,                               "CE score", " "
1530   },
1531   {
1532     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1533     MIN_COLLECT_COUNT,                  MAX_COLLECT_COUNT,
1534     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
1535     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,     GADGET_ID_CUSTOM_SCORE_UP,
1536     &custom_element.collect_count_initial,
1537     NULL,                               "CE count", NULL
1538   },
1539   {
1540     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1541     0,                                  9999,
1542     GADGET_ID_CUSTOM_VALUE_FIX_DOWN,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1543     GADGET_ID_CUSTOM_VALUE_FIX_TEXT,    GADGET_ID_NONE,
1544     &custom_element.ce_value_fixed_initial,
1545     NULL,                               "CE value", NULL
1546   },
1547   {
1548     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1549     0,                                  9999,
1550     GADGET_ID_CUSTOM_VALUE_RND_DOWN,    GADGET_ID_CUSTOM_VALUE_RND_UP,
1551     GADGET_ID_CUSTOM_VALUE_RND_TEXT,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1552     &custom_element.ce_value_random_initial,
1553     NULL,                               "+random", NULL
1554   },
1555   {
1556     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1557     0,                                  999,
1558     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
1559     GADGET_ID_PUSH_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1560     &custom_element.push_delay_fixed,
1561     NULL,                               "push delay", NULL
1562   },
1563   {
1564     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1565     0,                                  999,
1566     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
1567     GADGET_ID_PUSH_DELAY_RND_TEXT,      GADGET_ID_PUSH_DELAY_FIX_UP,
1568     &custom_element.push_delay_random,
1569     NULL,                               "+random", NULL
1570   },
1571   {
1572     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(7),
1573     0,                                  999,
1574     GADGET_ID_DROP_DELAY_FIX_DOWN,      GADGET_ID_DROP_DELAY_FIX_UP,
1575     GADGET_ID_DROP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1576     &custom_element.drop_delay_fixed,
1577     NULL,                               "drop delay", NULL
1578   },
1579   {
1580     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
1581     0,                                  999,
1582     GADGET_ID_DROP_DELAY_RND_DOWN,      GADGET_ID_DROP_DELAY_RND_UP,
1583     GADGET_ID_DROP_DELAY_RND_TEXT,      GADGET_ID_DROP_DELAY_FIX_UP,
1584     &custom_element.drop_delay_random,
1585     NULL,                               "+random", NULL
1586   },
1587
1588   // ---------- element settings: configure 2 (custom elements) ---------------
1589
1590   {
1591     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1592     0,                                  999,
1593     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
1594     GADGET_ID_MOVE_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1595     &custom_element.move_delay_fixed,
1596     NULL,                               "move delay", NULL
1597   },
1598   {
1599     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1600     0,                                  999,
1601     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
1602     GADGET_ID_MOVE_DELAY_RND_TEXT,      GADGET_ID_MOVE_DELAY_FIX_UP,
1603     &custom_element.move_delay_random,
1604     NULL,                               "+random", NULL
1605   },
1606   {
1607     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(12),
1608     0,                                  999,
1609     GADGET_ID_EXPLOSION_DELAY_DOWN,     GADGET_ID_EXPLOSION_DELAY_UP,
1610     GADGET_ID_EXPLOSION_DELAY_TEXT,     GADGET_ID_NONE,
1611     &custom_element.explosion_delay,
1612     NULL,                               "explosion delay", NULL
1613   },
1614   {
1615     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
1616     0,                                  999,
1617     GADGET_ID_IGNITION_DELAY_DOWN,      GADGET_ID_IGNITION_DELAY_UP,
1618     GADGET_ID_IGNITION_DELAY_TEXT,      GADGET_ID_NONE,
1619     &custom_element.ignition_delay,
1620     NULL,                               "ignition delay", "(by fire)"
1621   },
1622
1623   // ---------- element settings: configure (group elements) ------------------
1624
1625   {
1626     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1627     MIN_ELEMENTS_IN_GROUP,              MAX_ELEMENTS_IN_GROUP,
1628     GADGET_ID_GROUP_CONTENT_DOWN,       GADGET_ID_GROUP_CONTENT_UP,
1629     GADGET_ID_GROUP_CONTENT_TEXT,       GADGET_ID_NONE,
1630     &group_element_info.num_elements,
1631     NULL,                               NULL, "number of elements in group"
1632   },
1633
1634   // ---------- element settings: advanced (custom elements) ------------------
1635
1636   {
1637     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(2),
1638     0,                                  999,
1639     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1640     GADGET_ID_CHANGE_DELAY_FIX_TEXT,    GADGET_ID_NONE,
1641     &custom_element_change.delay_fixed,
1642     NULL,                               "CE delay", NULL,
1643   },
1644   {
1645     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
1646     0,                                  999,
1647     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
1648     GADGET_ID_CHANGE_DELAY_RND_TEXT,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1649     &custom_element_change.delay_random,
1650     NULL,                               "+random", NULL
1651   },
1652   {
1653     ED_ELEMENT_SETTINGS_XPOS(3),        ED_ELEMENT_SETTINGS_YPOS(12),
1654     0,                                  100,
1655     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
1656     GADGET_ID_CHANGE_CONT_RND_TEXT,     GADGET_ID_NONE,
1657     &custom_element_change.random_percentage,
1658     NULL,                               "use random replace:", "%"
1659   },
1660 };
1661
1662 static struct
1663 {
1664   int x, y;
1665   int gadget_id;
1666   int size;
1667   char *value;
1668   char *text_above, *infotext;
1669 } textinput_info[ED_NUM_TEXTINPUT] =
1670 {
1671   {
1672     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1673     GADGET_ID_LEVEL_NAME,
1674     MAX_LEVEL_NAME_LEN,
1675     level.name,
1676     "Title:", "Title for this level"
1677   },
1678   {
1679     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1680     GADGET_ID_LEVEL_AUTHOR,
1681     MAX_LEVEL_AUTHOR_LEN,
1682     level.author,
1683     "Author:", "Author for this level"
1684   },
1685   {
1686     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1687     GADGET_ID_LEVELSET_NAME,
1688     MAX_LEVEL_NAME_LEN,
1689     levelset_name,
1690     "Title:", "Title for this or new level set"
1691   },
1692   {
1693     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1694     GADGET_ID_LEVELSET_AUTHOR,
1695     MAX_LEVEL_AUTHOR_LEN,
1696     levelset_author,
1697     "Author:", "Author for this or new level set"
1698   },
1699   {
1700     -1, -1,     // these values are not constant, but can change at runtime
1701     GADGET_ID_ELEMENT_NAME,
1702     MAX_ELEMENT_NAME_LEN - 2,           // currently 2 chars less editable
1703     custom_element.description,
1704     NULL, "Element name"
1705   }
1706 };
1707
1708 static struct
1709 {
1710   int x, y;
1711   int gadget_id;
1712   int xsize, ysize;
1713   char *value;
1714   char *text_above, *infotext;
1715 } textarea_info[ED_NUM_TEXTAREAS] =
1716 {
1717   {
1718     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1719     GADGET_ID_ENVELOPE_INFO,
1720     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
1721     NULL,
1722     "Envelope Content:", "Envelope Content"
1723   }
1724 };
1725
1726 static struct ValueTextInfo options_time_or_steps[] =
1727 {
1728   { 0,                          "seconds"                       },
1729   { 1,                          "steps"                         },
1730
1731   { -1,                         NULL                            }
1732 };
1733
1734 static struct ValueTextInfo options_game_engine_type[] =
1735 {
1736   { GAME_ENGINE_TYPE_RND,       "Rocks'n'Diamonds"              },
1737   { GAME_ENGINE_TYPE_EM,        "Emerald Mine"                  },
1738   { GAME_ENGINE_TYPE_SP,        "Supaplex"                      },
1739   { GAME_ENGINE_TYPE_MM,        "Mirror Magic"                  },
1740
1741   { -1,                         NULL                            }
1742 };
1743
1744 static struct ValueTextInfo options_levelset_save_mode[] =
1745 {
1746   { LEVELSET_SAVE_MODE_UPDATE,  "Update this level set"         },
1747   { LEVELSET_SAVE_MODE_CREATE,  "Create new level set"          },
1748
1749   { -1,                         NULL                            }
1750 };
1751
1752 static struct ValueTextInfo options_wind_direction[] =
1753 {
1754   { MV_START_NONE,              "none"                          },
1755   { MV_START_LEFT,              "left"                          },
1756   { MV_START_RIGHT,             "right"                         },
1757   { MV_START_UP,                "up"                            },
1758   { MV_START_DOWN,              "down"                          },
1759
1760   { -1,                         NULL                            }
1761 };
1762
1763 static struct ValueTextInfo options_player_speed[] =
1764 {
1765   { 0,                          "frozen"                        },
1766   { 1,                          "very slow"                     },
1767   { 2,                          "slow"                          },
1768   { 4,                          "normal"                        },
1769   { 8,                          "fast"                          },
1770   { 16,                         "very fast"                     },
1771   { 32,                         "ultrafast"                     },
1772
1773   { -1,                         NULL                            }
1774 };
1775
1776 static struct ValueTextInfo options_access_type[] =
1777 {
1778   { EP_WALKABLE,                "walkable"                      },
1779   { EP_PASSABLE,                "passable"                      },
1780
1781   { -1,                         NULL                            }
1782 };
1783
1784 static struct ValueTextInfo options_access_layer[] =
1785 {
1786   { EP_ACCESSIBLE_OVER,         "over"                          },
1787   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
1788   { EP_ACCESSIBLE_UNDER,        "under"                         },
1789
1790   { -1,                         NULL                            }
1791 };
1792
1793 static struct ValueTextInfo options_access_protected[] =
1794 {
1795   { 0,                          "unprotected"                   },
1796   { 1,                          "protected"                     },
1797
1798   { -1,                         NULL                            }
1799 };
1800
1801 static struct ValueTextInfo options_access_direction[] =
1802 {
1803   { MV_NO_DIRECTION,            "no direction"                  },
1804   { MV_LEFT,                    "left"                          },
1805   { MV_RIGHT,                   "right"                         },
1806   { MV_UP,                      "up"                            },
1807   { MV_DOWN,                    "down"                          },
1808   { MV_LEFT  | MV_UP,           "left + up"                     },
1809   { MV_LEFT  | MV_DOWN,         "left + down"                   },
1810   { MV_RIGHT | MV_UP,           "right + up"                    },
1811   { MV_RIGHT | MV_DOWN,         "right + down"                  },
1812   { MV_HORIZONTAL,              "horizontal"                    },
1813   { MV_VERTICAL,                "vertical"                      },
1814   { MV_HORIZONTAL | MV_UP,      "horizontal + up"               },
1815   { MV_HORIZONTAL | MV_DOWN,    "horizontal + down"             },
1816   { MV_VERTICAL   | MV_LEFT,    "vertical + left"               },
1817   { MV_VERTICAL   | MV_RIGHT,   "vertical + right"              },
1818   { MV_ALL_DIRECTIONS,          "all directions"                },
1819
1820   { -1,                         NULL                            }
1821 };
1822
1823 static struct ValueTextInfo options_walk_to_action[] =
1824 {
1825   { EP_DIGGABLE,                "diggable"                      },
1826   { EP_COLLECTIBLE_ONLY,        "collectible"                   },
1827   { EP_DROPPABLE,               "collectible & droppable"       },
1828   { EP_THROWABLE,               "collectible & throwable"       },
1829   { EP_PUSHABLE,                "pushable"                      },
1830
1831   { -1,                         NULL                            }
1832 };
1833
1834 static struct ValueTextInfo options_move_pattern[] =
1835 {
1836   { MV_LEFT,                    "left"                          },
1837   { MV_RIGHT,                   "right"                         },
1838   { MV_UP,                      "up"                            },
1839   { MV_DOWN,                    "down"                          },
1840   { MV_HORIZONTAL,              "horizontal"                    },
1841   { MV_VERTICAL,                "vertical"                      },
1842   { MV_ALL_DIRECTIONS,          "all directions"                },
1843   { MV_WIND_DIRECTION,          "wind direction"                },
1844   { MV_TOWARDS_PLAYER,          "towards player"                },
1845   { MV_AWAY_FROM_PLAYER,        "away from player"              },
1846   { MV_ALONG_LEFT_SIDE,         "along left side"               },
1847   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
1848   { MV_TURNING_LEFT,            "turning left"                  },
1849   { MV_TURNING_RIGHT,           "turning right"                 },
1850   { MV_TURNING_LEFT_RIGHT,      "turning left, right"           },
1851   { MV_TURNING_RIGHT_LEFT,      "turning right, left"           },
1852   { MV_TURNING_RANDOM,          "turning random"                },
1853   { MV_MAZE_RUNNER,             "maze runner style"             },
1854   { MV_MAZE_HUNTER,             "maze hunter style"             },
1855   { MV_WHEN_PUSHED,             "when pushed"                   },
1856   { MV_WHEN_DROPPED,            "when dropped/thrown"           },
1857
1858   { -1,                         NULL                            }
1859 };
1860
1861 static struct ValueTextInfo options_move_direction[] =
1862 {
1863   { MV_START_AUTOMATIC,         "automatic"                     },
1864   { MV_START_LEFT,              "left"                          },
1865   { MV_START_RIGHT,             "right"                         },
1866   { MV_START_UP,                "up"                            },
1867   { MV_START_DOWN,              "down"                          },
1868   { MV_START_RANDOM,            "random"                        },
1869   { MV_START_PREVIOUS,          "previous"                      },
1870
1871   { -1,                         NULL                            }
1872 };
1873
1874 static struct ValueTextInfo options_move_stepsize[] =
1875 {
1876   { 0,                          "not moving"                    },
1877   { 1,                          "very slow"                     },
1878   { 2,                          "slow"                          },
1879   { 4,                          "normal"                        },
1880   { 8,                          "fast"                          },
1881   { 16,                         "very fast"                     },
1882   { 32,                         "even faster"                   },
1883
1884   { -1,                         NULL                            }
1885 };
1886
1887 static struct ValueTextInfo options_move_leave_type[] =
1888 {
1889   { LEAVE_TYPE_UNLIMITED,       "leave behind"                  },
1890   { LEAVE_TYPE_LIMITED,         "change it to"                  },
1891
1892   { -1,                         NULL                            }
1893 };
1894
1895 static struct ValueTextInfo options_smash_targets[] =
1896 {
1897   { EP_CAN_SMASH_PLAYER,        "player"                        },
1898 #if 0
1899   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
1900 #endif
1901   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
1902
1903   { -1,                         NULL                            }
1904 };
1905
1906 static struct ValueTextInfo options_slippery_type[] =
1907 {
1908   { SLIPPERY_ANY_RANDOM,        "random"                        },
1909   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
1910   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
1911   { SLIPPERY_ONLY_LEFT,         "only left"                     },
1912   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
1913
1914   { -1,                         NULL                            }
1915 };
1916
1917 static struct ValueTextInfo options_deadliness[] =
1918 {
1919   { EP_DONT_RUN_INTO,           "running into"                  },
1920   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
1921   { EP_DONT_GET_HIT_BY,         "getting hit by"                },
1922   { EP_DONT_TOUCH,              "touching"                      },
1923
1924   { -1,                         NULL                            }
1925 };
1926
1927 static struct ValueTextInfo options_explosion_type[] =
1928 {
1929   { EXPLODES_3X3,               "3x3"                           },
1930   { EXPLODES_CROSS,             "3+3"                           },
1931   { EXPLODES_1X1,               "1x1"                           },
1932
1933   { -1,                         NULL                            }
1934 };
1935
1936 static struct ValueTextInfo options_time_units[] =
1937 {
1938   { 1,                          "frames"                        },
1939   { FRAMES_PER_SECOND,          "seconds"                       },
1940
1941   { -1,                         NULL                            }
1942 };
1943
1944 static struct ValueTextInfo options_change_direct_action[] =
1945 {
1946   { CE_TOUCHED_BY_PLAYER,       "touched by player"             },
1947   { CE_PRESSED_BY_PLAYER,       "pressed by player"             },
1948   { CE_SWITCHED_BY_PLAYER,      "switched by player"            },
1949   { CE_SNAPPED_BY_PLAYER,       "snapped by player"             },
1950   { CE_PUSHED_BY_PLAYER,        "pushed by player"              },
1951   { CE_ENTERED_BY_PLAYER,       "entered by player"             },
1952   { CE_LEFT_BY_PLAYER,          "left by player"                },
1953   { CE_DROPPED_BY_PLAYER,       "dropped/thrown by player"      },
1954   { CE_SWITCHED,                "switched"                      },
1955   { CE_HITTING_SOMETHING,       "hitting something"             },
1956   { CE_HIT_BY_SOMETHING,        "hit by something"              },
1957 #if 0
1958   { CE_BLOCKED,                 "blocked"                       },
1959 #endif
1960   { CE_IMPACT,                  "impact (on something)"         },
1961   { CE_SMASHED,                 "smashed (from above)"          },
1962 #if 0
1963   { CE_VALUE_CHANGES,           "CE value changes"              },
1964   { CE_SCORE_CHANGES,           "CE score changes"              },
1965 #endif
1966   { CE_VALUE_GETS_ZERO,         "CE value gets 0"               },
1967   { CE_SCORE_GETS_ZERO,         "CE score gets 0"               },
1968
1969   { -1,                         NULL                            }
1970 };
1971
1972 static struct ValueTextInfo options_change_other_action[] =
1973 {
1974   { CE_PLAYER_TOUCHES_X,        "player touches"                },
1975   { CE_PLAYER_PRESSES_X,        "player presses"                },
1976   { CE_PLAYER_SWITCHES_X,       "player switches"               },
1977   { CE_PLAYER_SNAPS_X,          "player snaps"                  },
1978   { CE_PLAYER_PUSHES_X,         "player pushes"                 },
1979   { CE_PLAYER_ENTERS_X,         "player enters"                 },
1980   { CE_PLAYER_LEAVES_X,         "player leaves"                 },
1981   { CE_PLAYER_DIGS_X,           "player digs"                   },
1982   { CE_PLAYER_COLLECTS_X,       "player collects"               },
1983   { CE_PLAYER_DROPS_X,          "player drops/throws"           },
1984   { CE_TOUCHING_X,              "touching"                      },
1985   { CE_HITTING_X,               "hitting"                       },
1986   { CE_DIGGING_X,               "digging"                       },
1987   { CE_HIT_BY_X,                "hit by"                        },
1988   { CE_SWITCH_OF_X,             "switch of"                     },
1989   { CE_CHANGE_OF_X,             "change by page of"             },
1990   { CE_EXPLOSION_OF_X,          "explosion of"                  },
1991   { CE_MOVE_OF_X,               "move of"                       },
1992   { CE_CREATION_OF_X,           "creation of"                   },
1993   { CE_VALUE_CHANGES_OF_X,      "CE value changes of"           },
1994   { CE_SCORE_CHANGES_OF_X,      "CE score changes of"           },
1995   { CE_VALUE_GETS_ZERO_OF_X,    "CE value gets 0 of"            },
1996   { CE_SCORE_GETS_ZERO_OF_X,    "CE score gets 0 of"            },
1997
1998   { -1,                         NULL                            }
1999 };
2000
2001 static struct ValueTextInfo options_change_trigger_side[] =
2002 {
2003   { CH_SIDE_LEFT,               "left"                          },
2004   { CH_SIDE_RIGHT,              "right"                         },
2005   { CH_SIDE_TOP,                "top"                           },
2006   { CH_SIDE_BOTTOM,             "bottom"                        },
2007   { CH_SIDE_LEFT_RIGHT,         "left/right"                    },
2008   { CH_SIDE_TOP_BOTTOM,         "top/bottom"                    },
2009   { CH_SIDE_ANY,                "any"                           },
2010
2011   { -1,                         NULL                            }
2012 };
2013
2014 static struct ValueTextInfo options_change_trigger_player[] =
2015 {
2016   { CH_PLAYER_1,                "1"                             },
2017   { CH_PLAYER_2,                "2"                             },
2018   { CH_PLAYER_3,                "3"                             },
2019   { CH_PLAYER_4,                "4"                             },
2020   { CH_PLAYER_ANY,              "any"                           },
2021
2022   { -1,                         NULL                            }
2023 };
2024
2025 static struct ValueTextInfo options_change_trigger_page[] =
2026 {
2027   { (1 << 0),                   "1"                             },
2028   { (1 << 1),                   "2"                             },
2029   { (1 << 2),                   "3"                             },
2030   { (1 << 3),                   "4"                             },
2031   { (1 << 4),                   "5"                             },
2032   { (1 << 5),                   "6"                             },
2033   { (1 << 6),                   "7"                             },
2034   { (1 << 7),                   "8"                             },
2035   { (1 << 8),                   "9"                             },
2036   { (1 << 9),                   "10"                            },
2037   { (1 << 10),                  "11"                            },
2038   { (1 << 11),                  "12"                            },
2039   { (1 << 12),                  "13"                            },
2040   { (1 << 13),                  "14"                            },
2041   { (1 << 14),                  "15"                            },
2042   { (1 << 15),                  "16"                            },
2043   { (1 << 16),                  "17"                            },
2044   { (1 << 17),                  "18"                            },
2045   { (1 << 18),                  "19"                            },
2046   { (1 << 19),                  "20"                            },
2047   { (1 << 20),                  "21"                            },
2048   { (1 << 21),                  "22"                            },
2049   { (1 << 22),                  "23"                            },
2050   { (1 << 23),                  "24"                            },
2051   { (1 << 24),                  "25"                            },
2052   { (1 << 25),                  "26"                            },
2053   { (1 << 26),                  "27"                            },
2054   { (1 << 27),                  "28"                            },
2055   { (1 << 28),                  "29"                            },
2056   { (1 << 29),                  "30"                            },
2057   { (1 << 30),                  "31"                            },
2058   { (1 << 31),                  "32"                            },
2059   { CH_PAGE_ANY,                "any"                           },
2060
2061   { -1,                         NULL                            }
2062 };
2063
2064 static struct ValueTextInfo options_change_replace_when[] =
2065 {
2066   { CP_WHEN_EMPTY,              "empty"                         },
2067   { CP_WHEN_WALKABLE,           "walkable"                      },
2068   { CP_WHEN_DIGGABLE,           "diggable"                      },
2069   { CP_WHEN_COLLECTIBLE,        "collectible"                   },
2070   { CP_WHEN_REMOVABLE,          "removable"                     },
2071   { CP_WHEN_DESTRUCTIBLE,       "destructible"                  },
2072
2073   { -1,                         NULL                            }
2074 };
2075
2076 static struct ValueTextInfo options_action_type[] =
2077 {
2078   { CA_NO_ACTION,               "no action"                     },
2079   { CA_UNDEFINED,               " "                             },
2080   { CA_HEADLINE_LEVEL_ACTIONS,  "[level]"                       },
2081   { CA_RESTART_LEVEL,           "restart level"                 },
2082   { CA_SHOW_ENVELOPE,           "show envelope"                 },
2083   { CA_SET_LEVEL_TIME,          "set time"                      },
2084   { CA_SET_LEVEL_SCORE,         "set score"                     },
2085   { CA_SET_LEVEL_GEMS,          "set gems"                      },
2086   { CA_SET_LEVEL_WIND,          "set wind dir."                 },
2087   { CA_SET_LEVEL_RANDOM_SEED,   "set rand. seed"                },
2088   { CA_UNDEFINED,               " "                             },
2089   { CA_HEADLINE_PLAYER_ACTIONS, "[player]"                      },
2090   { CA_MOVE_PLAYER,             "move player"                   },
2091   { CA_EXIT_PLAYER,             "exit player"                   },
2092   { CA_KILL_PLAYER,             "kill player"                   },
2093   { CA_SET_PLAYER_KEYS,         "set keys"                      },
2094   { CA_SET_PLAYER_SPEED,        "set speed"                     },
2095   { CA_SET_PLAYER_SHIELD,       "set shield"                    },
2096   { CA_SET_PLAYER_GRAVITY,      "set gravity"                   },
2097   { CA_SET_PLAYER_ARTWORK,      "set artwork"                   },
2098   { CA_SET_PLAYER_INVENTORY,    "set inventory"                 },
2099   { CA_UNDEFINED,               " "                             },
2100   { CA_HEADLINE_CE_ACTIONS,     "[CE]"                          },
2101   { CA_SET_CE_VALUE,            "set CE value"                  },
2102   { CA_SET_CE_SCORE,            "set CE score"                  },
2103   { CA_SET_CE_ARTWORK,          "set CE artwork"                },
2104   { CA_UNDEFINED,               " "                             },
2105   { CA_HEADLINE_ENGINE_ACTIONS, "[engine]"                      },
2106   { CA_SET_ENGINE_SCAN_MODE,    "set scan mode"                 },
2107
2108   { -1,                         NULL                            }
2109 };
2110
2111 static struct ValueTextInfo options_action_mode_none[] =
2112 {
2113   { CA_MODE_UNDEFINED,          " "                             },
2114
2115   { -1,                         NULL                            }
2116 };
2117
2118 static struct ValueTextInfo options_action_mode_assign[] =
2119 {
2120   { CA_MODE_SET,                "="                             },
2121
2122   { -1,                         NULL                            }
2123 };
2124
2125 static struct ValueTextInfo options_action_mode_add_remove[] =
2126 {
2127   { CA_MODE_ADD,                "+"                             },
2128   { CA_MODE_SUBTRACT,           "-"                             },
2129
2130   { -1,                         NULL                            }
2131 };
2132
2133 static struct ValueTextInfo options_action_mode_calculate[] =
2134 {
2135   { CA_MODE_SET,                "="                             },
2136   { CA_MODE_ADD,                "+"                             },
2137   { CA_MODE_SUBTRACT,           "-"                             },
2138   { CA_MODE_MULTIPLY,           "*"                             },
2139   { CA_MODE_DIVIDE,             "/"                             },
2140   { CA_MODE_MODULO,             "%"                             },
2141
2142   { -1,                         NULL                            }
2143 };
2144
2145 static struct ValueTextInfo options_action_arg_none[] =
2146 {
2147   { CA_ARG_UNDEFINED,           "         "                     },
2148
2149   { -1,                         NULL                            }
2150 };
2151
2152 static struct ValueTextInfo options_action_arg_player[] =
2153 {
2154   { CA_ARG_PLAYER_HEADLINE,     "[player]"                      },
2155   { CA_ARG_PLAYER_1,            "1"                             },
2156   { CA_ARG_PLAYER_2,            "2"                             },
2157   { CA_ARG_PLAYER_3,            "3"                             },
2158   { CA_ARG_PLAYER_4,            "4"                             },
2159   { CA_ARG_PLAYER_ANY,          "any"                           },
2160   { CA_ARG_PLAYER_TRIGGER,      "trigger"                       },
2161   { CA_ARG_PLAYER_ACTION,       "action ->"                     },
2162
2163   { -1,                         NULL                            }
2164 };
2165
2166 static struct ValueTextInfo options_action_arg_number[] =
2167 {
2168   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2169   { CA_ARG_0,                   "0"                             },
2170   { CA_ARG_1,                   "1"                             },
2171   { CA_ARG_2,                   "2"                             },
2172   { CA_ARG_3,                   "3"                             },
2173   { CA_ARG_4,                   "4"                             },
2174   { CA_ARG_5,                   "5"                             },
2175   { CA_ARG_10,                  "10"                            },
2176   { CA_ARG_100,                 "100"                           },
2177   { CA_ARG_1000,                "1000"                          },
2178   { CA_ARG_UNDEFINED,           " "                             },
2179   { CA_ARG_NUMBER_MIN,          "min"                           },
2180   { CA_ARG_NUMBER_MAX,          "max"                           },
2181   { CA_ARG_UNDEFINED,           " "                             },
2182   { CA_ARG_NUMBER_RESET,        "reset"                         },
2183   { CA_ARG_UNDEFINED,           " "                             },
2184   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2185   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2186   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2187   { CA_ARG_UNDEFINED,           " "                             },
2188   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2189   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2190   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2191   { CA_ARG_UNDEFINED,           " "                             },
2192   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2193   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2194   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2195   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2196   { CA_ARG_UNDEFINED,           " "                             },
2197   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2198   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2199   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2200   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2201
2202   { -1,                         NULL                            }
2203 };
2204
2205 static struct ValueTextInfo options_action_arg_value[] =
2206 {
2207   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2208   { CA_ARG_0,                   "0"                             },
2209   { CA_ARG_1,                   "1"                             },
2210   { CA_ARG_2,                   "2"                             },
2211   { CA_ARG_3,                   "3"                             },
2212   { CA_ARG_4,                   "4"                             },
2213   { CA_ARG_5,                   "5"                             },
2214   { CA_ARG_10,                  "10"                            },
2215   { CA_ARG_100,                 "100"                           },
2216   { CA_ARG_1000,                "1000"                          },
2217   { CA_ARG_UNDEFINED,           " "                             },
2218   { CA_ARG_NUMBER_MIN,          "min"                           },
2219   { CA_ARG_NUMBER_MAX,          "max"                           },
2220   { CA_ARG_UNDEFINED,           " "                             },
2221   { CA_ARG_NUMBER_RESET,        "reset"                         },
2222   { CA_ARG_UNDEFINED,           " "                             },
2223   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2224   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2225   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2226   { CA_ARG_UNDEFINED,           " "                             },
2227   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2228   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2229   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2230   { CA_ARG_UNDEFINED,           " "                             },
2231   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2232   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2233   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2234   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2235   { CA_ARG_UNDEFINED,           " "                             },
2236   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2237   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2238   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2239   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2240   { CA_ARG_UNDEFINED,           " "                             },
2241   { CA_ARG_ELEMENT_NR_HEADLINE, "[element]"                     },
2242   { CA_ARG_ELEMENT_NR_TARGET,   "target"                        },
2243   { CA_ARG_ELEMENT_NR_TRIGGER,  "trigger"                       },
2244   { CA_ARG_ELEMENT_NR_ACTION,   "action ->"                     },
2245
2246   { -1,                         NULL                            }
2247 };
2248
2249 static struct ValueTextInfo options_action_arg_envelope[] =
2250 {
2251   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2252   { CA_ARG_1,                   "1"                             },
2253   { CA_ARG_2,                   "2"                             },
2254   { CA_ARG_3,                   "3"                             },
2255   { CA_ARG_4,                   "4"                             },
2256   { CA_ARG_UNDEFINED,           " "                             },
2257   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2258   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2259   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2260   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2261
2262   { -1,                         NULL                            }
2263 };
2264
2265 static struct ValueTextInfo options_action_arg_key[] =
2266 {
2267   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2268   { CA_ARG_1,                   "1"                             },
2269   { CA_ARG_2,                   "2"                             },
2270   { CA_ARG_3,                   "3"                             },
2271   { CA_ARG_4,                   "4"                             },
2272   { CA_ARG_5,                   "5"                             },
2273   { CA_ARG_6,                   "6"                             },
2274   { CA_ARG_7,                   "7"                             },
2275   { CA_ARG_8,                   "8"                             },
2276   { CA_ARG_UNDEFINED,           " "                             },
2277   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2278   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2279   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2280   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2281
2282   { -1,                         NULL                            }
2283 };
2284
2285 static struct ValueTextInfo options_action_arg_speed[] =
2286 {
2287   { CA_ARG_SPEED_HEADLINE,      "[speed]"                       },
2288   { CA_ARG_SPEED_NOT_MOVING,    "frozen"                        },
2289   { CA_ARG_SPEED_VERY_SLOW,     "very slow"                     },
2290   { CA_ARG_SPEED_SLOW,          "slow"                          },
2291   { CA_ARG_SPEED_NORMAL,        "normal"                        },
2292   { CA_ARG_SPEED_FAST,          "fast"                          },
2293   { CA_ARG_SPEED_VERY_FAST,     "very fast"                     },
2294   { CA_ARG_SPEED_EVEN_FASTER,   "ultrafast"                     },
2295   { CA_ARG_UNDEFINED,           " "                             },
2296   { CA_ARG_SPEED_SLOWER,        "slower"                        },
2297   { CA_ARG_SPEED_FASTER,        "faster"                        },
2298   { CA_ARG_UNDEFINED,           " "                             },
2299   { CA_ARG_SPEED_RESET,         "reset"                         },
2300
2301   { -1,                         NULL                            }
2302 };
2303
2304 static struct ValueTextInfo options_action_arg_shield[] =
2305 {
2306   { CA_ARG_SHIELD_HEADLINE,     "[shield]"                      },
2307   { CA_ARG_SHIELD_OFF,          "off"                           },
2308   { CA_ARG_SHIELD_NORMAL,       "normal"                        },
2309   { CA_ARG_SHIELD_DEADLY,       "deadly"                        },
2310
2311   { -1,                         NULL                            }
2312 };
2313
2314 static struct ValueTextInfo options_action_arg_artwork[] =
2315 {
2316   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2317   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2318   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2319   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2320   { CA_ARG_UNDEFINED,           " "                             },
2321   { CA_ARG_ELEMENT_RESET,       "reset"                         },
2322
2323   { -1,                         NULL                            }
2324 };
2325
2326 static struct ValueTextInfo options_action_arg_gravity[] =
2327 {
2328   { CA_ARG_GRAVITY_HEADLINE,    "[gravity]"                     },
2329   { CA_ARG_GRAVITY_ON,          "on"                            },
2330   { CA_ARG_GRAVITY_OFF,         "off"                           },
2331   { CA_ARG_GRAVITY_TOGGLE,      "toggle"                        },
2332
2333   { -1,                         NULL                            }
2334 };
2335
2336 static struct ValueTextInfo options_action_arg_direction[] =
2337 {
2338   { CA_ARG_DIRECTION_HEADLINE,  "[dir.]"                        },
2339   { CA_ARG_DIRECTION_NONE,      "none"                          },
2340   { CA_ARG_DIRECTION_LEFT,      "left"                          },
2341   { CA_ARG_DIRECTION_RIGHT,     "right"                         },
2342   { CA_ARG_DIRECTION_UP,        "up"                            },
2343   { CA_ARG_DIRECTION_DOWN,      "down"                          },
2344   { CA_ARG_DIRECTION_TRIGGER,   "trigger"                       },
2345   { CA_ARG_DIRECTION_TRIGGER_BACK, "-trigger"                   },
2346
2347   { -1,                         NULL                            }
2348 };
2349
2350 static struct ValueTextInfo options_action_arg_scan_mode[] =
2351 {
2352   { CA_ARG_SCAN_MODE_HEADLINE,  "[mode]"                        },
2353   { CA_ARG_SCAN_MODE_NORMAL,    "normal"                        },
2354   { CA_ARG_SCAN_MODE_REVERSE,   "reverse"                       },
2355
2356   { -1,                         NULL                            }
2357 };
2358
2359 static struct ValueTextInfo options_action_arg_inventory[] =
2360 {
2361   { CA_ARG_INVENTORY_HEADLINE,  "[add]"                         },
2362   { CA_ARG_ELEMENT_TARGET,      "+ target"                      },
2363   { CA_ARG_ELEMENT_TRIGGER,     "+ trigger"                     },
2364   { CA_ARG_ELEMENT_ACTION,      "+ action"                      },
2365   { CA_ARG_UNDEFINED,           " "                             },
2366   { CA_ARG_INVENTORY_RM_HEADLINE,"[remove]"                     },
2367   { CA_ARG_INVENTORY_RM_TARGET, "- target"                      },
2368   { CA_ARG_INVENTORY_RM_TRIGGER,"- trigger"                     },
2369   { CA_ARG_INVENTORY_RM_ACTION, "- action"                      },
2370   { CA_ARG_INVENTORY_RM_FIRST,  "- first"                       },
2371   { CA_ARG_INVENTORY_RM_LAST,   "- last"                        },
2372   { CA_ARG_INVENTORY_RM_ALL,    "- all"                         },
2373   { CA_ARG_UNDEFINED,           " "                             },
2374   { CA_ARG_INVENTORY_RESET,     "reset"                         },
2375
2376   { -1,                         NULL                            }
2377 };
2378
2379 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
2380 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
2381 {
2382   { -1,                         NULL                            }
2383 };
2384
2385 static struct ValueTextInfo options_group_choice_mode[] =
2386 {
2387   { ANIM_RANDOM,                "random"                        },
2388   { ANIM_LOOP,                  "loop"                          },
2389   { ANIM_LINEAR,                "linear"                        },
2390   { ANIM_PINGPONG,              "pingpong"                      },
2391   { ANIM_PINGPONG2,             "pingpong 2"                    },
2392
2393   { -1,                         NULL                            }
2394 };
2395
2396 static struct ValueTextInfo *action_arg_modes[] =
2397 {
2398   options_action_mode_none,
2399   options_action_mode_assign,
2400   options_action_mode_add_remove,
2401   options_action_mode_calculate,
2402 };
2403
2404 static struct
2405 {
2406   int value;
2407   int mode;
2408   struct ValueTextInfo *options;
2409 }
2410 action_arg_options[] =
2411 {
2412   { CA_NO_ACTION,               0,      options_action_arg_none,        },
2413   { CA_EXIT_PLAYER,             0,      options_action_arg_player,      },
2414   { CA_KILL_PLAYER,             0,      options_action_arg_player,      },
2415   { CA_MOVE_PLAYER,             0,      options_action_arg_direction,   },
2416   { CA_RESTART_LEVEL,           0,      options_action_arg_none,        },
2417   { CA_SHOW_ENVELOPE,           0,      options_action_arg_envelope,    },
2418   { CA_SET_LEVEL_TIME,          3,      options_action_arg_number,      },
2419   { CA_SET_LEVEL_GEMS,          3,      options_action_arg_number,      },
2420   { CA_SET_LEVEL_SCORE,         3,      options_action_arg_number,      },
2421   { CA_SET_LEVEL_WIND,          1,      options_action_arg_direction,   },
2422   { CA_SET_LEVEL_RANDOM_SEED,   1,      options_action_arg_number,      },
2423   { CA_SET_PLAYER_KEYS,         2,      options_action_arg_key,         },
2424   { CA_SET_PLAYER_SPEED,        1,      options_action_arg_speed,       },
2425   { CA_SET_PLAYER_SHIELD,       1,      options_action_arg_shield,      },
2426   { CA_SET_PLAYER_GRAVITY,      1,      options_action_arg_gravity,     },
2427   { CA_SET_PLAYER_ARTWORK,      1,      options_action_arg_artwork,     },
2428   { CA_SET_PLAYER_INVENTORY,    0,      options_action_arg_inventory,   },
2429   { CA_SET_CE_VALUE,            3,      options_action_arg_value,       },
2430   { CA_SET_CE_SCORE,            3,      options_action_arg_value,       },
2431   { CA_SET_CE_ARTWORK,          1,      options_action_arg_artwork,     },
2432   { CA_SET_ENGINE_SCAN_MODE,    1,      options_action_arg_scan_mode,   },
2433
2434   { -1,                         FALSE,  NULL                            }
2435 };
2436
2437 static struct
2438 {
2439   int x, y;
2440   int gadget_id;
2441   int gadget_id_align;
2442   int size;     // char size of selectbox or '-1' (dynamically determined)
2443   struct ValueTextInfo *options;
2444   int *value;
2445   char *text_above, *text_left, *text_right, *infotext;
2446 } selectbox_info[ED_NUM_SELECTBOX] =
2447 {
2448   // ---------- level and editor settings -------------------------------------
2449
2450   {
2451     -1,                                 ED_LEVEL_SETTINGS_YPOS(8),
2452     GADGET_ID_TIME_OR_STEPS,            GADGET_ID_LEVEL_TIMELIMIT_UP,
2453     -1,
2454     options_time_or_steps,
2455     &level.use_step_counter,
2456     NULL, NULL, "(0 => no limit)",      "time or step limit"
2457   },
2458   {
2459     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(11),
2460     GADGET_ID_GAME_ENGINE_TYPE,         GADGET_ID_NONE,
2461     -1,
2462     options_game_engine_type,
2463     &level.game_engine_type,
2464     NULL, "game engine:", NULL,         "game engine"
2465   },
2466   {
2467     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
2468     GADGET_ID_LEVELSET_SAVE_MODE,       GADGET_ID_NONE,
2469     -1,
2470     options_levelset_save_mode,
2471     &levelset_save_mode,
2472     "Action:", NULL, NULL,              "action when saving level set"
2473   },
2474
2475   // ---------- element settings: configure (several elements) ----------------
2476
2477   {
2478     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2479     GADGET_ID_WIND_DIRECTION,           GADGET_ID_NONE,
2480     -1,
2481     options_wind_direction,
2482     &level.wind_direction_initial,
2483     NULL, "initial wind direction:", NULL,      "initial wind direction"
2484   },
2485   {
2486     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2487     GADGET_ID_PLAYER_SPEED,             GADGET_ID_NONE,
2488     -1,
2489     options_player_speed,
2490     &level.initial_player_stepsize[0],
2491     NULL, "initial player speed:", NULL,        "initial player speed"
2492   },
2493
2494   // ---------- element settings: configure 1 (custom elements) ---------------
2495
2496   {
2497     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2498     GADGET_ID_CUSTOM_ACCESS_TYPE,       GADGET_ID_NONE,
2499     -1,
2500     options_access_type,
2501     &custom_element.access_type,
2502     NULL, NULL, NULL,                   "type of access to this field"
2503   },
2504   {
2505     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2506     GADGET_ID_CUSTOM_ACCESS_LAYER,      GADGET_ID_CUSTOM_ACCESS_TYPE,
2507     -1,
2508     options_access_layer,
2509     &custom_element.access_layer,
2510     NULL, NULL, NULL,                   "layer of access for this field"
2511   },
2512   {
2513     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2514     GADGET_ID_CUSTOM_ACCESS_PROTECTED,  GADGET_ID_CUSTOM_ACCESS_LAYER,
2515     -1,
2516     options_access_protected,
2517     &custom_element.access_protected,
2518     NULL, NULL, NULL,                   "protected access for this field"
2519   },
2520   {
2521     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2522     GADGET_ID_CUSTOM_ACCESS_DIRECTION,  GADGET_ID_NONE,
2523     -1,
2524     options_access_direction,
2525     &custom_element.access_direction,
2526     NULL, "from", NULL,                 "access direction for this field"
2527   },
2528   {
2529     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2530     GADGET_ID_CUSTOM_WALK_TO_ACTION,    GADGET_ID_NONE,
2531     -1,
2532     options_walk_to_action,
2533     &custom_element.walk_to_action,
2534     NULL, NULL, NULL,                   "diggable/collectible/pushable"
2535   },
2536
2537   // ---------- element settings: configure 2 (custom elements) ---------------
2538
2539   {
2540     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(1),
2541     GADGET_ID_CUSTOM_MOVE_PATTERN,      GADGET_ID_NONE,
2542     -1,
2543     options_move_pattern,
2544     &custom_element.move_pattern,
2545     NULL, "can move", NULL,             "element move pattern"
2546   },
2547   {
2548     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2549     GADGET_ID_CUSTOM_MOVE_DIRECTION,    GADGET_ID_NONE,
2550     -1,
2551     options_move_direction,
2552     &custom_element.move_direction_initial,
2553     NULL, "starts moving", NULL,        "initial element move direction"
2554   },
2555   {
2556     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2557     GADGET_ID_CUSTOM_MOVE_STEPSIZE,     GADGET_ID_NONE,
2558     -1,
2559     options_move_stepsize,
2560     &custom_element.move_stepsize,
2561     NULL, "move/fall speed", NULL,      "speed of element movement"
2562   },
2563   {
2564     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2565     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,   GADGET_ID_NONE,
2566     -1,
2567     options_move_leave_type,
2568     &custom_element.move_leave_type,
2569     // left text with leading spaces to place gadget next to "can dig" gadget
2570     // (needed because drawing area gadgets created after selectbox gadgets)
2571     // NULL, "can dig:    can", ":",    "leave behind or change element"
2572     NULL, "            can", ":",       "leave behind or change element"
2573   },
2574   {
2575     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
2576     GADGET_ID_CUSTOM_SMASH_TARGETS,     GADGET_ID_CUSTOM_CAN_SMASH,
2577     -1,
2578     options_smash_targets,
2579     &custom_element.smash_targets,
2580     NULL, "can smash", NULL,            "elements that can be smashed"
2581   },
2582   {
2583     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
2584     GADGET_ID_CUSTOM_SLIPPERY_TYPE,     GADGET_ID_NONE,
2585     -1,
2586     options_slippery_type,
2587     &custom_element.slippery_type,
2588     NULL, "slippery", NULL,             "where other elements fall down"
2589   },
2590   {
2591     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
2592     GADGET_ID_CUSTOM_DEADLINESS,        GADGET_ID_NONE,
2593     -1,
2594     options_deadliness,
2595     &custom_element.deadliness,
2596     NULL, "deadly when", NULL,          "deadliness of element"
2597   },
2598   {
2599     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(10),
2600     GADGET_ID_CUSTOM_EXPLOSION_TYPE,    GADGET_ID_NONE,
2601     -1,
2602     options_explosion_type,
2603     &custom_element.explosion_type,
2604     NULL, "can explode", NULL,          "explosion type"
2605   },
2606
2607   // ---------- element settings: advanced (custom elements) ------------------
2608
2609   {
2610     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(3),
2611     GADGET_ID_CHANGE_TIME_UNITS,        GADGET_ID_NONE,
2612     -1,
2613     options_time_units,
2614     &custom_element_change.delay_frames,
2615     NULL, "delay time given in", NULL,  "delay time units for change"
2616   },
2617   {
2618     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(4),
2619     GADGET_ID_CHANGE_DIRECT_ACTION,     GADGET_ID_NONE,
2620     -1,
2621     options_change_direct_action,
2622     &custom_element_change.direct_action,
2623     NULL, NULL, NULL,                   "type of direct action"
2624   },
2625   {
2626     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(5),
2627     GADGET_ID_CHANGE_OTHER_ACTION,      GADGET_ID_NONE,
2628     -1,
2629     options_change_other_action,
2630     &custom_element_change.other_action,
2631     NULL, NULL, "element:",             "type of other element action"
2632   },
2633   {
2634     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(6),
2635     GADGET_ID_CHANGE_SIDE,              GADGET_ID_NONE,
2636     -1,
2637     options_change_trigger_side,
2638     &custom_element_change.trigger_side,
2639     NULL, "at", "side",                 "element side triggering change"
2640   },
2641   {
2642     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2643     GADGET_ID_CHANGE_PLAYER,            GADGET_ID_NONE,
2644     -1,
2645     options_change_trigger_player,
2646     &custom_element_change.trigger_player,
2647     NULL, "player:", " ",               "player that causes change"
2648   },
2649   {
2650     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2651     GADGET_ID_CHANGE_PAGE,              GADGET_ID_CHANGE_PLAYER,
2652     -1,
2653     options_change_trigger_page,
2654     &custom_element_change.trigger_page,
2655     NULL, "page:", NULL,                "change page that causes change"
2656   },
2657   {
2658     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(10),
2659     GADGET_ID_CHANGE_REPLACE_WHEN,      GADGET_ID_NONE,
2660     -1,
2661     options_change_replace_when,
2662     &custom_element_change.replace_when,
2663     NULL, "replace when", NULL,         "which elements can be replaced"
2664   },
2665   {
2666     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
2667     GADGET_ID_ACTION_TYPE,              GADGET_ID_NONE,
2668     -1,
2669     options_action_type,
2670     &custom_element_change.action_type,
2671     NULL, NULL, NULL,                   "action on specified condition"
2672   },
2673   {
2674     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2675     GADGET_ID_ACTION_MODE,              GADGET_ID_ACTION_TYPE,
2676     -1,
2677     options_action_mode_none,
2678     &custom_element_change.action_mode,
2679     NULL, NULL, NULL,                   "action operator"
2680   },
2681   {
2682     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2683     GADGET_ID_ACTION_ARG,               GADGET_ID_ACTION_MODE,
2684     -1,
2685     options_action_arg_none,
2686     &custom_element_change.action_arg,
2687     NULL, NULL, NULL,                   "action parameter"
2688   },
2689   {
2690     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
2691     GADGET_ID_SELECT_CHANGE_PAGE,       GADGET_ID_NONE,
2692     3,
2693     options_change_page,
2694     &custom_element.current_change_page,
2695     NULL, NULL, NULL,                   "element change page"
2696   },
2697
2698   // ---------- element settings: configure (group elements) ------------------
2699
2700   {
2701     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2702     GADGET_ID_GROUP_CHOICE_MODE,        GADGET_ID_NONE,
2703     -1,
2704     options_group_choice_mode,
2705     &group_element_info.choice_mode,
2706     NULL, "choice type:", NULL,         "type of group element choice"
2707   },
2708 };
2709
2710 static struct
2711 {
2712   int x, y;
2713   int gadget_id;
2714   int gadget_id_align;
2715   int size;
2716   char *text;
2717   char *text_above, *text_left, *text_right, *infotext;
2718 } textbutton_info[ED_NUM_TEXTBUTTONS] =
2719 {
2720   // ---------- level and editor settings (tabs) ------------------------------
2721
2722   {
2723     ED_LEVEL_TABS_XPOS(0),              ED_LEVEL_TABS_YPOS(0),
2724     GADGET_ID_LEVELINFO_LEVEL,          GADGET_ID_NONE,
2725     8,                                  "Level",
2726     NULL, NULL, NULL,                   "Configure level properties"
2727   },
2728   {
2729     -1,                                 -1,
2730     GADGET_ID_LEVELINFO_LEVELSET,       GADGET_ID_LEVELINFO_LEVEL,
2731     8,                                  "Levelset",
2732     NULL, NULL, NULL,                   "Update this or create new level set"
2733   },
2734   {
2735     -1,                                 -1,
2736     GADGET_ID_LEVELINFO_EDITOR,         GADGET_ID_LEVELINFO_LEVELSET,
2737     8,                                  "Editor",
2738     NULL, NULL, NULL,                   "Configure editor properties"
2739   },
2740
2741   // ---------- element settings (tabs) ---------------------------------------
2742
2743   {
2744     ED_ELEMENT_TABS_XPOS(0),            ED_ELEMENT_TABS_YPOS(0),
2745     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
2746     8,                                  "Info",
2747     NULL, NULL, NULL,                   "Show information about element"
2748   },
2749   {
2750     -1,                                 -1,
2751     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_PROPERTIES_INFO,
2752     8,                                  "Config",
2753     NULL, NULL, NULL,                   "Configure element properties"
2754   },
2755   {
2756     -1,                                 -1,
2757     GADGET_ID_PROPERTIES_CONFIG_1,      GADGET_ID_PROPERTIES_INFO,
2758     8,                                  "Config 1",
2759     NULL, NULL, NULL,                   "Configure element properties, part 1"
2760   },
2761   {
2762     -1,                                 -1,
2763     GADGET_ID_PROPERTIES_CONFIG_2,      GADGET_ID_PROPERTIES_CONFIG_1,
2764     8,                                  "Config 2",
2765     NULL, NULL, NULL,                   "Configure element properties, part 2"
2766   },
2767   {
2768     -1,                                 -1,
2769     GADGET_ID_PROPERTIES_CHANGE,        GADGET_ID_PROPERTIES_CONFIG_2,
2770     8,                                  "Change",
2771     NULL, NULL, NULL,                   "Configure custom element change pages"
2772   },
2773
2774   // ---------- level and editor settings (buttons) ---------------------------
2775
2776   {
2777     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
2778     GADGET_ID_SAVE_LEVELSET,            GADGET_ID_LEVELSET_SAVE_MODE,
2779     -1,                                 "Save",
2780     NULL, NULL, NULL,                   "Update or create level set"
2781   },
2782   {
2783     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
2784     GADGET_ID_SAVE_AS_TEMPLATE_2,       GADGET_ID_NONE,
2785     -1,                                 "Save",
2786     NULL, NULL,                         "this level as level template",
2787     "Save current settings as new template"
2788   },
2789
2790   // ---------- element settings (buttons) ------------------------------------
2791
2792   {
2793     -1,                                 -1,
2794     GADGET_ID_SAVE_AS_TEMPLATE_1,       GADGET_ID_CUSTOM_USE_TEMPLATE_1,
2795     -1,                                 "Save",
2796     NULL, " ",                          "As Template",
2797     "Save current settings as new template"
2798   },
2799   {
2800     -1,                                 -1,
2801     GADGET_ID_ADD_CHANGE_PAGE,          GADGET_ID_PASTE_CHANGE_PAGE,
2802     -1,                                 "New",
2803     NULL, NULL, NULL,                   "Add new change page"
2804   },
2805   {
2806     -1,                                 -1,
2807     GADGET_ID_DEL_CHANGE_PAGE,          GADGET_ID_ADD_CHANGE_PAGE,
2808     -1,                                 "Delete",
2809     NULL, NULL, NULL,                   "Delete current change page"
2810   },
2811 };
2812
2813 static struct
2814 {
2815   int graphic;
2816   int x, y;
2817   int gadget_id;
2818   int gadget_id_align;
2819   char *text_left, *text_right, *infotext;
2820 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
2821 {
2822   {
2823     IMG_EDITOR_COUNTER_DOWN,
2824     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
2825     GADGET_ID_PREV_CHANGE_PAGE,         GADGET_ID_NONE,
2826     NULL, NULL,                         "select previous change page"
2827   },
2828   {
2829     IMG_EDITOR_COUNTER_UP,
2830     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2831     GADGET_ID_NEXT_CHANGE_PAGE,         GADGET_ID_SELECT_CHANGE_PAGE,
2832     NULL, "change page",                "select next change page"
2833   },
2834   {
2835     IMG_GFX_EDITOR_BUTTON_CP_COPY,
2836     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2837     GADGET_ID_COPY_CHANGE_PAGE,         GADGET_ID_NEXT_CHANGE_PAGE,
2838     " ", NULL,                          "copy settings from this change page"
2839   },
2840   {
2841     IMG_GFX_EDITOR_BUTTON_CP_PASTE,
2842     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2843     GADGET_ID_PASTE_CHANGE_PAGE,        GADGET_ID_COPY_CHANGE_PAGE,
2844     NULL, NULL,                         "paste settings to this change page"
2845   },
2846 };
2847
2848 static struct
2849 {
2850   int x, y;
2851 } scrollbutton_pos[ED_NUM_SCROLLBUTTONS];
2852
2853 static struct
2854 {
2855   int graphic;
2856   int gadget_id;
2857   char *infotext;
2858 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
2859 {
2860   {
2861     IMG_EDITOR_PLAYFIELD_SCROLL_UP,
2862     GADGET_ID_SCROLL_UP,
2863     "scroll level editing area up"
2864   },
2865   {
2866     IMG_EDITOR_PLAYFIELD_SCROLL_DOWN,
2867     GADGET_ID_SCROLL_DOWN,
2868     "scroll level editing area down"
2869   },
2870   {
2871     IMG_EDITOR_PLAYFIELD_SCROLL_LEFT,
2872     GADGET_ID_SCROLL_LEFT,
2873     "scroll level editing area left"
2874   },
2875   {
2876     IMG_EDITOR_PLAYFIELD_SCROLL_RIGHT,
2877     GADGET_ID_SCROLL_RIGHT,
2878     "scroll level editing area right"
2879   },
2880   {
2881     IMG_EDITOR_PALETTE_SCROLL_UP,
2882     GADGET_ID_SCROLL_LIST_UP,
2883     "scroll element list up ('Page Up')"
2884   },
2885   {
2886     IMG_EDITOR_PALETTE_SCROLL_DOWN,
2887     GADGET_ID_SCROLL_LIST_DOWN,
2888     "scroll element list down ('Page Down')"
2889   },
2890 };
2891
2892 static struct
2893 {
2894   int x, y;
2895   int width, height;
2896   int wheel_x, wheel_y;
2897   int wheel_width, wheel_height;
2898 } scrollbar_pos[ED_NUM_SCROLLBARS];
2899
2900 static struct
2901 {
2902   int graphic;
2903   int type;
2904   int gadget_id;
2905   char *infotext;
2906 } scrollbar_info[ED_NUM_SCROLLBARS] =
2907 {
2908   {
2909     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
2910     GD_TYPE_SCROLLBAR_HORIZONTAL,
2911     GADGET_ID_SCROLL_HORIZONTAL,
2912     "scroll level editing area horizontally"
2913   },
2914   {
2915     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
2916     GD_TYPE_SCROLLBAR_VERTICAL,
2917     GADGET_ID_SCROLL_VERTICAL,
2918     "scroll level editing area vertically"
2919   },
2920   {
2921     IMG_EDITOR_PALETTE_SCROLLBAR,
2922     GD_TYPE_SCROLLBAR_VERTICAL,
2923     GADGET_ID_SCROLL_LIST_VERTICAL,
2924     "scroll element list vertically"
2925   }
2926 };
2927
2928
2929 static struct
2930 {
2931   int x, y;
2932   int gadget_id;
2933   int gadget_id_align;
2934   int radio_button_nr;
2935   int *value;
2936   int checked_value;
2937   char *text_left, *text_right, *infotext;
2938 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
2939 {
2940   {
2941     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
2942     GADGET_ID_RANDOM_PERCENTAGE,        GADGET_ID_LEVEL_RANDOM_UP,
2943     RADIO_NR_RANDOM_ELEMENTS,
2944     &random_placement_method,           RANDOM_USE_PERCENTAGE,
2945     " ", "percentage",                  "use percentage for random elements"
2946   },
2947   {
2948     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
2949     GADGET_ID_RANDOM_QUANTITY,          GADGET_ID_RANDOM_PERCENTAGE,
2950     RADIO_NR_RANDOM_ELEMENTS,
2951     &random_placement_method,           RANDOM_USE_QUANTITY,
2952     " ", "quantity",                    "use quantity for random elements"
2953   }
2954 };
2955
2956 static struct
2957 {
2958   int x, y;
2959   int gadget_id;
2960   int gadget_id_align;
2961   boolean *value;
2962   char *text_above, *text_left, *text_right, *infotext;
2963 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
2964 {
2965   // ---------- level and editor settings -------------------------------------
2966
2967   {
2968     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
2969     GADGET_ID_AUTO_COUNT_GEMS,          GADGET_ID_NONE,
2970     &level.auto_count_gems,
2971     NULL, NULL,
2972     "automatically count gems needed",  "set counter to number of gems"
2973   },
2974   {
2975     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(7),
2976     GADGET_ID_USE_LEVELSET_ARTWORK,     GADGET_ID_NONE,
2977     &levelset_use_levelset_artwork,
2978     NULL, NULL,
2979     "use current custom artwork",       "use custom artwork of this level set"
2980   },
2981   {
2982     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
2983     GADGET_ID_COPY_LEVEL_TEMPLATE,      GADGET_ID_NONE,
2984     &levelset_copy_level_template,
2985     NULL, NULL,
2986     "copy current level template",      "copy level template of this level set"
2987   },
2988   {
2989     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
2990     GADGET_ID_RANDOM_RESTRICTED,        GADGET_ID_NONE,
2991     &random_placement_background_restricted,
2992     NULL, NULL,
2993     "restrict random placement to:",    "set random placement restriction"
2994   },
2995   {
2996     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
2997     GADGET_ID_CUSTOM_USE_TEMPLATE_3,    GADGET_ID_NONE,
2998     &setup.editor.use_template_for_new_levels,
2999     "Template for new levels and CE/GE:", NULL,
3000     "use template for new levels",      "use template for level properties"
3001   },
3002   {
3003     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
3004     GADGET_ID_CUSTOM_USE_TEMPLATE_2,    GADGET_ID_NONE,
3005     &level.use_custom_template,
3006     NULL, NULL,
3007     "use template for custom elements", "use template for custom properties"
3008   },
3009
3010   // ---------- element settings: configure (various elements) ----------------
3011
3012   {
3013     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3014     GADGET_ID_STICK_ELEMENT,            GADGET_ID_NONE,
3015     &stick_element_properties_window,
3016     NULL, NULL,
3017     "stick this screen to edit content","stick this screen to edit content"
3018   },
3019   {
3020     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3021     GADGET_ID_EM_SLIPPERY_GEMS,         GADGET_ID_NONE,
3022     &level.em_slippery_gems,
3023     NULL, NULL,
3024     "slip down from certain flat walls","use EM/DC style slipping behaviour"
3025   },
3026   {
3027     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3028     GADGET_ID_EM_EXPLODES_BY_FIRE,      GADGET_ID_NONE,
3029     &level.em_explodes_by_fire,
3030     NULL, NULL,
3031     "explodes with chain reaction",     "use R'n'D style explosion behaviour"
3032   },
3033   {
3034     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3035     GADGET_ID_USE_SPRING_BUG,           GADGET_ID_NONE,
3036     &level.use_spring_bug,
3037     NULL, NULL,
3038     "use spring pushing bug",           "use odd spring pushing behaviour"
3039   },
3040   {
3041     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3042     GADGET_ID_USE_TIME_ORB_BUG,         GADGET_ID_NONE,
3043     &level.use_time_orb_bug,
3044     NULL, NULL,
3045     "use time orb bug",                 "use odd time orb behaviour"
3046   },
3047   {
3048     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3049     GADGET_ID_USE_LIFE_BUGS,            GADGET_ID_NONE,
3050     &level.use_life_bugs,
3051     NULL, NULL,
3052     "use buggy element behaviour",      "use odd (historic) element behaviour"
3053   },
3054   {
3055     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3056     GADGET_ID_RANDOM_BALL_CONTENT,      GADGET_ID_NONE,
3057     &level.ball_random,
3058     NULL, NULL,
3059     "create single random element",     "only create one element from content"
3060   },
3061   {
3062     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3063     GADGET_ID_INITIAL_BALL_ACTIVE,      GADGET_ID_NONE,
3064     &level.ball_active_initial,
3065     NULL, NULL,
3066     "magic ball initially activated",   "activate magic ball after level start"
3067   },
3068   {
3069     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3070     GADGET_ID_GROW_INTO_DIGGABLE,       GADGET_ID_NONE,
3071     &level.grow_into_diggable,
3072     NULL, NULL,
3073     "can grow into anything diggable",  "grow into more than just sand"
3074   },
3075   {
3076     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3077     GADGET_ID_SB_FIELDS_NEEDED,         GADGET_ID_NONE,
3078     &level.sb_fields_needed,
3079     NULL, NULL,
3080     "all fields need to be filled",     "require all SB fields to be solved"
3081   },
3082   {
3083     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3084     GADGET_ID_SB_OBJECTS_NEEDED,        GADGET_ID_NONE,
3085     &level.sb_objects_needed,
3086     NULL, NULL,
3087     "all objects need to be placed",    "require all SB objects to be solved"
3088   },
3089   {
3090     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3091     GADGET_ID_AUTO_EXIT_SOKOBAN,        GADGET_ID_NONE,
3092     &level.auto_exit_sokoban,
3093     NULL, NULL,
3094     "exit level if all tasks solved",   "automatically finish Sokoban levels"
3095   },
3096   {
3097     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3098     GADGET_ID_SOLVED_BY_ONE_PLAYER,     GADGET_ID_NONE,
3099     &level.solved_by_one_player,
3100     NULL, NULL,
3101     "only one player must enter exit",  "level solved by first player in exit"
3102   },
3103   {
3104     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3105     GADGET_ID_CONTINUOUS_SNAPPING,      GADGET_ID_NONE,
3106     &level.continuous_snapping,
3107     NULL, NULL,
3108     "continuous snapping",              "use snapping without releasing key"
3109   },
3110   {
3111     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3112     GADGET_ID_BLOCK_SNAP_FIELD,         GADGET_ID_NONE,
3113     &level.block_snap_field,
3114     NULL, NULL,
3115     "block snapped field when snapping", "use snapping delay to show animation"
3116   },
3117   {
3118     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3119     GADGET_ID_BLOCK_LAST_FIELD,         GADGET_ID_NONE,
3120     &level.block_last_field,
3121     NULL, NULL,
3122     "block last field when moving",     "player blocks last field when moving"
3123   },
3124   {
3125     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3126     GADGET_ID_SP_BLOCK_LAST_FIELD,      GADGET_ID_NONE,
3127     &level.sp_block_last_field,
3128     NULL, NULL,
3129     "block last field when moving",     "player blocks last field when moving"
3130   },
3131   {
3132     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3133     GADGET_ID_INSTANT_RELOCATION,       GADGET_ID_NONE,
3134     &level.instant_relocation,
3135     NULL, NULL,
3136     "no scrolling when relocating",     "player gets relocated without delay"
3137   },
3138   {
3139     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3140     GADGET_ID_SHIFTED_RELOCATION,       GADGET_ID_NONE,
3141     &level.shifted_relocation,
3142     NULL, NULL,
3143     "no centering when relocating",     "level not centered after relocation"
3144   },
3145   {
3146     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3147     GADGET_ID_LAZY_RELOCATION,          GADGET_ID_NONE,
3148     &level.lazy_relocation,
3149     NULL, NULL,
3150     "only redraw off-screen relocation","no redraw if relocation target visible"
3151   },
3152   {
3153     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3154     GADGET_ID_USE_START_ELEMENT,        GADGET_ID_NONE,
3155     &level.use_start_element[0],
3156     NULL, NULL,
3157     "use level start element:",        "start level at this element's position"
3158   },
3159   {
3160     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3161     GADGET_ID_USE_ARTWORK_ELEMENT,      GADGET_ID_NONE,
3162     &level.use_artwork_element[0],
3163     NULL, NULL,
3164     "use artwork from element:",        "use player artwork from other element"
3165   },
3166   {
3167     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
3168     GADGET_ID_USE_EXPLOSION_ELEMENT,    GADGET_ID_NONE,
3169     &level.use_explosion_element[0],
3170     NULL, NULL,
3171     "use explosion from element:",      "use explosion properties from element"
3172   },
3173   {
3174     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3175     GADGET_ID_INITIAL_GRAVITY,          GADGET_ID_NONE,
3176     &level.initial_player_gravity[0],
3177     NULL, NULL,
3178     "use initial gravity",              "set initial player gravity"
3179   },
3180   {
3181     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3182     GADGET_ID_USE_INITIAL_INVENTORY,    GADGET_ID_NONE,
3183     &level.use_initial_inventory[0],
3184     NULL, NULL,
3185     "use initial inventory:",           "use collected elements on level start"
3186   },
3187   {
3188     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
3189     GADGET_ID_CAN_PASS_TO_WALKABLE,     GADGET_ID_NONE,
3190     &level.can_pass_to_walkable,
3191     NULL, NULL,
3192     "can pass to walkable element",     "player can pass to empty or walkable"
3193   },
3194   {
3195     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3196     GADGET_ID_CAN_FALL_INTO_ACID,       GADGET_ID_NONE,
3197     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3198     NULL, NULL,
3199     "can fall into acid (with gravity)","player can fall into acid pool"
3200   },
3201   {
3202     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3203     GADGET_ID_CAN_MOVE_INTO_ACID,       GADGET_ID_NONE,
3204     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3205     NULL, NULL,
3206     "can move into acid",               "element can move into acid pool"
3207   },
3208   {
3209     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3210     GADGET_ID_DONT_COLLIDE_WITH,        GADGET_ID_NONE,
3211     &custom_element_properties[EP_DONT_COLLIDE_WITH],
3212     NULL, NULL,
3213     "deadly when colliding with",       "element is deadly when hitting player"
3214   },
3215   {
3216     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3217     GADGET_ID_ENVELOPE_AUTOWRAP,        GADGET_ID_NONE,
3218     &level.envelope[0].autowrap,
3219     NULL, NULL,
3220     "auto-wrap",                        "automatically wrap envelope text"
3221   },
3222   {
3223     -1,                                 ED_ELEMENT_SETTINGS_YPOS(1),
3224     GADGET_ID_ENVELOPE_CENTERED,        GADGET_ID_ENVELOPE_AUTOWRAP,
3225     &level.envelope[0].centered,
3226     NULL, " ",
3227     "centered",                         "automatically center envelope text"
3228   },
3229   {
3230     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3231     GADGET_ID_MM_LASER_RED,             GADGET_ID_NONE,
3232     &level.mm_laser_red,
3233     "choose color components for laser:", NULL,
3234     "red",                              "use red color components in laser"
3235   },
3236   {
3237     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3238     GADGET_ID_MM_LASER_GREEN,           GADGET_ID_NONE,
3239     &level.mm_laser_green,
3240     NULL, NULL,
3241     "green",                            "use green color components in laser"
3242   },
3243   {
3244     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3245     GADGET_ID_MM_LASER_BLUE,            GADGET_ID_NONE,
3246     &level.mm_laser_blue,
3247     NULL, NULL,
3248     "blue",                             "use blue color components in laser"
3249   },
3250   {
3251     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3252     GADGET_ID_DF_LASER_RED,             GADGET_ID_NONE,
3253     &level.df_laser_red,
3254     "choose color components for laser:", NULL,
3255     "red",                              "use red color components in laser"
3256   },
3257   {
3258     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3259     GADGET_ID_DF_LASER_GREEN,           GADGET_ID_NONE,
3260     &level.df_laser_green,
3261     NULL, NULL,
3262     "green",                            "use green color components in laser"
3263   },
3264   {
3265     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3266     GADGET_ID_DF_LASER_BLUE,            GADGET_ID_NONE,
3267     &level.df_laser_blue,
3268     NULL, NULL,
3269     "blue",                             "use blue color components in laser"
3270   },
3271
3272   // ---------- element settings: configure 1 (custom elements) ---------------
3273
3274   {
3275     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3276     GADGET_ID_CUSTOM_USE_GRAPHIC,       GADGET_ID_NONE,
3277     &custom_element.use_gfx_element,
3278     NULL, NULL,
3279     "use graphic of element:",          "use existing element graphic"
3280   },
3281   {
3282     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3283     GADGET_ID_CUSTOM_USE_TEMPLATE_1,    GADGET_ID_NONE,
3284     &level.use_custom_template,
3285     NULL, NULL,
3286     "use template",                     "use template for custom properties"
3287   },
3288   {
3289     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3290     GADGET_ID_CUSTOM_ACCESSIBLE,        GADGET_ID_NONE,
3291     &custom_element_properties[EP_ACCESSIBLE],
3292     NULL, NULL,
3293     NULL,                               "player can walk to or pass this field"
3294   },
3295   {
3296     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3297     GADGET_ID_CUSTOM_GRAV_REACHABLE,    GADGET_ID_NONE,
3298     &custom_element_properties[EP_GRAVITY_REACHABLE],
3299     NULL, NULL,
3300     "reachable despite gravity",        "player can walk/dig despite gravity"
3301   },
3302   {
3303     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3304     GADGET_ID_CUSTOM_USE_LAST_VALUE,    GADGET_ID_NONE,
3305     &custom_element.use_last_ce_value,
3306     NULL, NULL,
3307     "use last CE value after change",   "use last CE value after change"
3308   },
3309   {
3310     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3311     GADGET_ID_CUSTOM_WALK_TO_OBJECT,    GADGET_ID_NONE,
3312     &custom_element_properties[EP_WALK_TO_OBJECT],
3313     NULL, NULL,
3314     NULL,                               "player can dig/collect/push element"
3315   },
3316   {
3317     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3318     GADGET_ID_CUSTOM_INDESTRUCTIBLE,    GADGET_ID_NONE,
3319     &custom_element_properties[EP_INDESTRUCTIBLE],
3320     NULL, NULL,
3321     "indestructible",                   "element is indestructible"
3322   },
3323
3324   // ---------- element settings: configure 2 (custom elements) ---------------
3325
3326   {
3327     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3328     GADGET_ID_CUSTOM_CAN_MOVE,          GADGET_ID_NONE,
3329     &custom_element_properties[EP_CAN_MOVE],
3330     NULL, NULL,
3331     NULL,                               "element can move with some pattern"
3332   },
3333   {
3334     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
3335     GADGET_ID_CUSTOM_CAN_FALL,          GADGET_ID_NONE,
3336     &custom_element_properties[EP_CAN_FALL],
3337     NULL, NULL,
3338     "can fall",                         "element can fall down"
3339   },
3340   {
3341     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
3342     GADGET_ID_CUSTOM_CAN_SMASH,         GADGET_ID_CUSTOM_CAN_FALL,
3343     &custom_element_properties[EP_CAN_SMASH],
3344     NULL, " ",
3345     NULL,                               "element can smash other elements"
3346   },
3347   {
3348     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3349     GADGET_ID_CUSTOM_SLIPPERY,          GADGET_ID_NONE,
3350     &custom_element_properties[EP_SLIPPERY],
3351     NULL, NULL,
3352     NULL,                               "other elements can fall down from it"
3353   },
3354   {
3355     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3356     GADGET_ID_CUSTOM_DEADLY,            GADGET_ID_NONE,
3357     &custom_element_properties[EP_DEADLY],
3358     NULL, NULL,
3359     NULL,                               "element can kill the player"
3360   },
3361   {
3362     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3363     GADGET_ID_CUSTOM_CAN_EXPLODE,       GADGET_ID_NONE,
3364     &custom_element_properties[EP_CAN_EXPLODE],
3365     NULL, NULL,
3366     NULL,                               "element can explode"
3367   },
3368   {
3369     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(11),
3370     GADGET_ID_CUSTOM_EXPLODE_FIRE,      GADGET_ID_NONE,
3371     &custom_element_properties[EP_EXPLODES_BY_FIRE],
3372     NULL, NULL,
3373     "by fire",                          "element can explode by fire/explosion"
3374   },
3375   {
3376     -1,                                 ED_ELEMENT_SETTINGS_YPOS(11),
3377     GADGET_ID_CUSTOM_EXPLODE_SMASH,     GADGET_ID_CUSTOM_EXPLODE_FIRE,
3378     &custom_element_properties[EP_EXPLODES_SMASHED],
3379     NULL, " ",
3380     "smashed",                          "element can explode when smashed"
3381   },
3382   {
3383     -1,                                 ED_ELEMENT_SETTINGS_YPOS(11),
3384     GADGET_ID_CUSTOM_EXPLODE_IMPACT,    GADGET_ID_CUSTOM_EXPLODE_SMASH,
3385     &custom_element_properties[EP_EXPLODES_IMPACT],
3386     NULL, " ",
3387     "impact",                           "element can explode on impact"
3388   },
3389
3390   // ---------- element settings: advanced (custom elements) ------------------
3391
3392   {
3393     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3394     GADGET_ID_CUSTOM_CAN_CHANGE,        GADGET_ID_NONE,
3395     &custom_element_change.can_change,
3396     NULL, NULL,
3397     "element changes to:",              "change element on specified condition"
3398   },
3399   {
3400     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
3401     GADGET_ID_CHANGE_DELAY,             GADGET_ID_NONE,
3402     &custom_element_change_events[CE_DELAY],
3403     NULL, NULL,
3404     NULL,                               "element changes after delay"
3405   },
3406   {
3407     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
3408     GADGET_ID_CHANGE_BY_DIRECT_ACT,     GADGET_ID_NONE,
3409     &custom_element_change_events[CE_BY_DIRECT_ACTION],
3410     NULL, NULL,
3411     NULL,                               "element changes by direct action"
3412   },
3413   {
3414     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
3415     GADGET_ID_CHANGE_BY_OTHER_ACT,      GADGET_ID_NONE,
3416     &custom_element_change_events[CE_BY_OTHER_ACTION],
3417     NULL, NULL,
3418     NULL,                               "element changes by other element"
3419   },
3420   {
3421     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
3422     GADGET_ID_CHANGE_USE_EXPLOSION,     GADGET_ID_NONE,
3423     &custom_element_change.explode,
3424     NULL, NULL,
3425     "explode instead of change",        "element explodes instead of change"
3426   },
3427   {
3428     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
3429     GADGET_ID_CHANGE_USE_CONTENT,       GADGET_ID_NONE,
3430     &custom_element_change.use_target_content,
3431     NULL, NULL,
3432     "use extended change target:",      "element changes to more elements"
3433   },
3434   {
3435     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(11),
3436     GADGET_ID_CHANGE_ONLY_COMPLETE,     GADGET_ID_NONE,
3437     &custom_element_change.only_if_complete,
3438     NULL, NULL,
3439     "replace all or nothing",           "only replace when all can be changed"
3440   },
3441   {
3442     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(12),
3443     GADGET_ID_CHANGE_USE_RANDOM,        GADGET_ID_NONE,
3444     &custom_element_change.use_random_replace,
3445     NULL, NULL,
3446     NULL,                               "use percentage for random replace"
3447   },
3448   {
3449     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3450     GADGET_ID_CHANGE_HAS_ACTION,        GADGET_ID_NONE,
3451     &custom_element_change.has_action,
3452     NULL, NULL,
3453     NULL,                               "execute action on specified condition"
3454   },
3455 };
3456
3457 static struct
3458 {
3459   int x, y;
3460   int xoffset, yoffset;
3461   int gadget_id;
3462   int gadget_id_align;
3463   int *value;
3464   int area_xsize, area_ysize;
3465   char *text_left, *text_right, *text_above, *text_below, *infotext;
3466 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
3467 {
3468   // ---------- level playfield content ---------------------------------------
3469
3470   {
3471     0,                                  0,
3472     0,                                  0,
3473     GADGET_ID_DRAWING_LEVEL,            GADGET_ID_NONE,
3474     NULL,
3475     -1, -1,     // these values are not constant, but can change at runtime
3476     NULL, NULL, NULL, NULL,             NULL
3477   },
3478
3479   // ---------- yam yam content -----------------------------------------------
3480
3481   {
3482     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3483     ED_AREA_YAMYAM_CONTENT_XOFF(0),     ED_AREA_YAMYAM_CONTENT_YOFF(0),
3484     GADGET_ID_YAMYAM_CONTENT_0,         GADGET_ID_NONE,
3485     &level.yamyam_content[0].e[0][0],   3, 3,
3486     NULL, NULL, NULL, "1",              NULL
3487   },
3488   {
3489     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3490     ED_AREA_YAMYAM_CONTENT_XOFF(1),     ED_AREA_YAMYAM_CONTENT_YOFF(1),
3491     GADGET_ID_YAMYAM_CONTENT_1,         GADGET_ID_NONE,
3492     &level.yamyam_content[1].e[0][0],   3, 3,
3493     NULL, NULL, NULL, "2",              NULL
3494   },
3495   {
3496     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3497     ED_AREA_YAMYAM_CONTENT_XOFF(2),     ED_AREA_YAMYAM_CONTENT_YOFF(2),
3498     GADGET_ID_YAMYAM_CONTENT_2,         GADGET_ID_NONE,
3499     &level.yamyam_content[2].e[0][0],   3, 3,
3500     NULL, NULL, NULL, "3",              NULL
3501   },
3502   {
3503     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3504     ED_AREA_YAMYAM_CONTENT_XOFF(3),     ED_AREA_YAMYAM_CONTENT_YOFF(3),
3505     GADGET_ID_YAMYAM_CONTENT_3,         GADGET_ID_NONE,
3506     &level.yamyam_content[3].e[0][0],   3, 3,
3507     NULL, NULL, NULL, "4",              NULL
3508   },
3509   {
3510     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3511     ED_AREA_YAMYAM_CONTENT_XOFF(4),     ED_AREA_YAMYAM_CONTENT_YOFF(4),
3512     GADGET_ID_YAMYAM_CONTENT_4,         GADGET_ID_NONE,
3513     &level.yamyam_content[4].e[0][0],   3, 3,
3514     NULL, NULL, NULL, "5",              NULL
3515   },
3516   {
3517     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3518     ED_AREA_YAMYAM_CONTENT_XOFF(5),     ED_AREA_YAMYAM_CONTENT_YOFF(5),
3519     GADGET_ID_YAMYAM_CONTENT_5,         GADGET_ID_NONE,
3520     &level.yamyam_content[5].e[0][0],   3, 3,
3521     NULL, NULL, NULL, "6",              NULL
3522   },
3523   {
3524     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3525     ED_AREA_YAMYAM_CONTENT_XOFF(6),     ED_AREA_YAMYAM_CONTENT_YOFF(6),
3526     GADGET_ID_YAMYAM_CONTENT_6,         GADGET_ID_NONE,
3527     &level.yamyam_content[6].e[0][0],   3, 3,
3528     NULL, NULL, NULL, "7",              NULL
3529   },
3530   {
3531     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3532     ED_AREA_YAMYAM_CONTENT_XOFF(7),     ED_AREA_YAMYAM_CONTENT_YOFF(7),
3533     GADGET_ID_YAMYAM_CONTENT_7,         GADGET_ID_NONE,
3534     &level.yamyam_content[7].e[0][0],   3, 3,
3535     NULL, NULL, NULL, "8",              NULL
3536   },
3537
3538   // ---------- magic ball content --------------------------------------------
3539
3540   {
3541     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3542     ED_AREA_MAGIC_BALL_CONTENT_XOFF(0), ED_AREA_MAGIC_BALL_CONTENT_YOFF(0),
3543     GADGET_ID_MAGIC_BALL_CONTENT_0,     GADGET_ID_NONE,
3544     &level.ball_content[0].e[0][0],     3, 3,
3545     NULL, NULL, NULL, "1",              NULL
3546   },
3547   {
3548     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3549     ED_AREA_MAGIC_BALL_CONTENT_XOFF(1), ED_AREA_MAGIC_BALL_CONTENT_YOFF(1),
3550     GADGET_ID_MAGIC_BALL_CONTENT_1,     GADGET_ID_NONE,
3551     &level.ball_content[1].e[0][0],     3, 3,
3552     NULL, NULL, NULL, "2",              NULL
3553   },
3554   {
3555     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3556     ED_AREA_MAGIC_BALL_CONTENT_XOFF(2), ED_AREA_MAGIC_BALL_CONTENT_YOFF(2),
3557     GADGET_ID_MAGIC_BALL_CONTENT_2,     GADGET_ID_NONE,
3558     &level.ball_content[2].e[0][0],     3, 3,
3559     NULL, NULL, NULL, "3",              NULL
3560   },
3561   {
3562     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3563     ED_AREA_MAGIC_BALL_CONTENT_XOFF(3), ED_AREA_MAGIC_BALL_CONTENT_YOFF(3),
3564     GADGET_ID_MAGIC_BALL_CONTENT_3,     GADGET_ID_NONE,
3565     &level.ball_content[3].e[0][0],     3, 3,
3566     NULL, NULL, NULL, "4",              NULL
3567   },
3568   {
3569     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3570     ED_AREA_MAGIC_BALL_CONTENT_XOFF(4), ED_AREA_MAGIC_BALL_CONTENT_YOFF(4),
3571     GADGET_ID_MAGIC_BALL_CONTENT_4,     GADGET_ID_NONE,
3572     &level.ball_content[4].e[0][0],     3, 3,
3573     NULL, NULL, NULL, "5",              NULL
3574   },
3575   {
3576     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3577     ED_AREA_MAGIC_BALL_CONTENT_XOFF(5), ED_AREA_MAGIC_BALL_CONTENT_YOFF(5),
3578     GADGET_ID_MAGIC_BALL_CONTENT_5,     GADGET_ID_NONE,
3579     &level.ball_content[5].e[0][0],     3, 3,
3580     NULL, NULL, NULL, "6",              NULL
3581   },
3582   {
3583     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3584     ED_AREA_MAGIC_BALL_CONTENT_XOFF(6), ED_AREA_MAGIC_BALL_CONTENT_YOFF(6),
3585     GADGET_ID_MAGIC_BALL_CONTENT_6,     GADGET_ID_NONE,
3586     &level.ball_content[6].e[0][0],     3, 3,
3587     NULL, NULL, NULL, "7",              NULL
3588   },
3589   {
3590     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3591     ED_AREA_MAGIC_BALL_CONTENT_XOFF(7), ED_AREA_MAGIC_BALL_CONTENT_YOFF(7),
3592     GADGET_ID_MAGIC_BALL_CONTENT_7,     GADGET_ID_NONE,
3593     &level.ball_content[7].e[0][0],     3, 3,
3594     NULL, NULL, NULL, "8",              NULL
3595   },
3596
3597   // ---------- android content -----------------------------------------------
3598
3599   {
3600     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(6),
3601     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3602     GADGET_ID_ANDROID_CONTENT,          GADGET_ID_NONE,
3603     &level.android_clone_element[0],    MAX_ANDROID_ELEMENTS, 1,
3604     NULL, NULL, "elements:", NULL,      "elements android can clone"
3605   },
3606
3607   // ---------- amoeba content ------------------------------------------------
3608
3609   {
3610     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(3),
3611     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3612     GADGET_ID_AMOEBA_CONTENT,           GADGET_ID_NONE,
3613     &level.amoeba_content,              1, 1,
3614     "content:", NULL, NULL, NULL,       "amoeba content"
3615   },
3616
3617   // ---------- level start element -------------------------------------------
3618
3619   {
3620     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(10),
3621     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3622     GADGET_ID_START_ELEMENT,            GADGET_ID_USE_START_ELEMENT,
3623     &level.start_element[0],            1, 1,
3624     NULL, NULL, NULL, NULL,             "level start element"
3625   },
3626
3627   // ---------- player artwork element ----------------------------------------
3628
3629   {
3630     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(11),
3631     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3632     GADGET_ID_ARTWORK_ELEMENT,          GADGET_ID_USE_ARTWORK_ELEMENT,
3633     &level.artwork_element[0],          1, 1,
3634     NULL, NULL, NULL, NULL,             "element for player artwork"
3635   },
3636
3637   // ---------- player explosion element --------------------------------------
3638
3639   {
3640     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(12),
3641     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3642     GADGET_ID_EXPLOSION_ELEMENT,        GADGET_ID_USE_EXPLOSION_ELEMENT,
3643     &level.explosion_element[0],        1, 1,
3644     NULL, NULL, NULL, NULL,             "element for player explosion"
3645   },
3646
3647   // ---------- player initial inventory --------------------------------------
3648
3649   {
3650     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3651     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3652     GADGET_ID_INVENTORY_CONTENT,        GADGET_ID_USE_INITIAL_INVENTORY,
3653     &level.initial_inventory_content[0][0], MAX_INITIAL_INVENTORY_SIZE, 1,
3654     NULL, NULL, NULL, NULL,             "content for initial inventory"
3655   },
3656
3657   // ---------- element settings: configure 1 (custom elements) ---------------
3658
3659   // ---------- custom graphic ------------------------------------------------
3660
3661   {
3662     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3663     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3664     GADGET_ID_CUSTOM_GRAPHIC,           GADGET_ID_CUSTOM_USE_GRAPHIC,
3665     &custom_element.gfx_element_initial,1, 1,
3666     NULL, NULL, NULL, NULL,             "custom graphic element"
3667   },
3668
3669   // ---------- element settings: configure 2 (custom elements) ---------------
3670
3671   // ---------- custom content (when exploding) -------------------------------
3672
3673   {
3674     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(10),
3675     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
3676     GADGET_ID_CUSTOM_CONTENT,           GADGET_ID_NONE, // align three rows
3677     &custom_element.content.e[0][0],    3, 3,
3678     "content:", NULL, NULL, NULL,       NULL
3679   },
3680
3681   // ---------- custom enter and leave element (when moving) ------------------
3682
3683   {
3684     ED_AREA_1X1_SETTINGS_XPOS(1),       ED_AREA_1X1_SETTINGS_YPOS(3),
3685     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3686     GADGET_ID_CUSTOM_MOVE_ENTER,        GADGET_ID_NONE,
3687     &custom_element.move_enter_element, 1, 1,
3688     "can dig:", " ", NULL, NULL,        "element that can be digged/collected"
3689   },
3690   {
3691     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(3),
3692     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3693     GADGET_ID_CUSTOM_MOVE_LEAVE,        GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
3694     &custom_element.move_leave_element, 1, 1,
3695     NULL, NULL, NULL, NULL,             "element that will be left behind"
3696   },
3697
3698   // ---------- element settings: advanced (custom elements) ------------------
3699
3700   // ---------- custom change target ------------------------------------------
3701
3702   {
3703     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3704     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3705     GADGET_ID_CUSTOM_CHANGE_TARGET,     GADGET_ID_CUSTOM_CAN_CHANGE,
3706     &custom_element_change.target_element, 1, 1,
3707     NULL, "after/when:", NULL, NULL,    "new target element after change"
3708   },
3709
3710   // ---------- custom change content (extended change target) ----------------
3711
3712   {
3713     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(9),
3714     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
3715     GADGET_ID_CUSTOM_CHANGE_CONTENT,    GADGET_ID_NONE, // align three rows
3716     &custom_element_change.target_content.e[0][0], 3, 3,
3717     NULL, NULL, NULL, NULL,             "new extended elements after change"
3718   },
3719
3720   // ---------- custom change trigger (element causing change) ----------------
3721
3722   {
3723     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(5),
3724     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3725     GADGET_ID_CUSTOM_CHANGE_TRIGGER,    GADGET_ID_CHANGE_OTHER_ACTION,
3726     &custom_element_change.initial_trigger_element, 1, 1,
3727     NULL, NULL, NULL, NULL,             "other element triggering change"
3728   },
3729
3730   // ---------- custom change action (element used for action) ----------------
3731
3732   {
3733     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(13),
3734     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3735     GADGET_ID_CUSTOM_CHANGE_ACTION,     GADGET_ID_ACTION_ARG,
3736     &custom_element_change.action_element, 1, 1,
3737     NULL, NULL, NULL, NULL,             "element used as action parameter"
3738   },
3739
3740   // ---------- group element content -----------------------------------------
3741
3742   {
3743     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
3744     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3745     GADGET_ID_GROUP_CONTENT,            GADGET_ID_NONE,
3746     &group_element_info.element[0],     MAX_ELEMENTS_IN_GROUP, 1,
3747     "content:", NULL, NULL, NULL,       NULL
3748   },
3749
3750   // ---------- random background (for random painting) -----------------------
3751
3752   {
3753     -1,                                 ED_AREA_1X1_LSETTINGS_YPOS(1),
3754     0,                                  ED_AREA_1X1_LSETTINGS_YOFF,
3755     GADGET_ID_RANDOM_BACKGROUND,        GADGET_ID_RANDOM_RESTRICTED,
3756     &random_placement_background_element, 1, 1,
3757     NULL, NULL, NULL, NULL,             "random placement background"
3758   },
3759 };
3760
3761
3762 // ----------------------------------------------------------------------------
3763 // some internally used variables
3764 // ----------------------------------------------------------------------------
3765
3766 // maximal size of level editor drawing area
3767 static int MAX_ED_FIELDX, MAX_ED_FIELDY;
3768
3769 // actual size of level editor drawing area
3770 static int ed_fieldx, ed_fieldy;
3771
3772 // actual position of level editor drawing area in level playfield
3773 static int level_xpos = -1, level_ypos = -1;
3774
3775 // actual tile size used to display playfield drawing area
3776 static int ed_tilesize = DEFAULT_EDITOR_TILESIZE;
3777 static int ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
3778
3779 #define IN_ED_FIELD(x,y)        IN_FIELD(x, y, ed_fieldx, ed_fieldy)
3780
3781 // drawing elements on the three mouse buttons
3782 static int new_element1 = EL_WALL;
3783 static int new_element2 = EL_EMPTY;
3784 static int new_element3 = EL_SAND;
3785
3786 #define IS_VALID_BUTTON(button) (button >= 1 && button <= 3)
3787 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
3788                                 (button) == 2 ? new_element2 : \
3789                                 (button) == 3 ? new_element3 : EL_EMPTY)
3790
3791 #define BUTTON_TILE_SIZE(x)     ((x) >= TILESIZE ? TILESIZE : MINI_TILESIZE)
3792
3793 static int use_permanent_palette = TRUE;
3794
3795 #define PX              (use_permanent_palette ? DX : SX)
3796 #define PY              (use_permanent_palette ? DY : SY)
3797 #define PXSIZE          (use_permanent_palette ? DXSIZE : SXSIZE)
3798 #define PYSIZE          (use_permanent_palette ? DYSIZE : SYSIZE)
3799
3800 // forward declaration for internal use
3801 static void CopyBrushToCursor(int, int);
3802 static void DeleteBrushFromCursor(void);
3803 static void ModifyEditorCounterValue(int, int);
3804 static void ModifyEditorCounterLimits(int, int, int);
3805 static void ModifyEditorSelectboxValue(int, int);
3806 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
3807 static void ModifyEditorDrawingArea(int, int, int);
3808 static void ModifyEditorElementList(void);
3809 static void AdjustElementListScrollbar(void);
3810 static void RedrawDrawingElements(void);
3811 static void DrawDrawingWindowExt(boolean);
3812 static void DrawDrawingWindow(void);
3813 static void DrawLevelInfoWindow(void);
3814 static void DrawPropertiesWindow(void);
3815 static void DrawPaletteWindow(void);
3816 static void UpdateCustomElementGraphicGadgets(void);
3817 static boolean checkPropertiesConfig(int);
3818 static void SetAutomaticNumberOfGemsNeeded(void);
3819 static void ClearEditorGadgetInfoText(void);
3820 static void CopyLevelToUndoBuffer(int);
3821 static void HandleDrawingAreas(struct GadgetInfo *);
3822 static void HandleCounterButtons(struct GadgetInfo *);
3823 static void HandleTextInputGadgets(struct GadgetInfo *);
3824 static void HandleTextAreaGadgets(struct GadgetInfo *);
3825 static void HandleSelectboxGadgets(struct GadgetInfo *);
3826 static void HandleTextbuttonGadgets(struct GadgetInfo *);
3827 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
3828 static void HandleRadiobuttons(struct GadgetInfo *);
3829 static void HandleCheckbuttons(struct GadgetInfo *);
3830 static void HandleControlButtons(struct GadgetInfo *);
3831 static void HandleDrawingAreaInfo(struct GadgetInfo *);
3832 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
3833 static boolean AskToCopyAndModifyLevelTemplate(void);
3834 static boolean getDrawModeHiRes(void);
3835 static int getTabulatorBarWidth(void);
3836 static int getTabulatorBarHeight(void);
3837 static Pixel getTabulatorBarColor(void);
3838
3839 static int num_editor_gadgets = 0;      // dynamically determined
3840
3841 static struct GadgetInfo **level_editor_gadget = NULL;
3842 static int *right_gadget_border = NULL;
3843
3844 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
3845 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
3846 static boolean draw_with_brush = FALSE;
3847 static int properties_element = 0;
3848
3849 static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3850 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3851 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3852 static int undo_buffer_position = 0;
3853 static int undo_buffer_steps = 0;
3854 static int redo_buffer_steps = 0;
3855
3856 static int edit_mode;
3857 static int edit_mode_levelinfo;
3858 static int edit_mode_properties;
3859
3860 static int element_shift = 0;
3861
3862 static int editor_el_players[] =
3863 {
3864   EL_PLAYER_1,
3865   EL_PLAYER_2,
3866   EL_PLAYER_3,
3867   EL_PLAYER_4
3868 };
3869 static int *editor_el_players_ptr = editor_el_players;
3870 static int num_editor_el_players = ARRAY_SIZE(editor_el_players);
3871
3872 static int editor_hl_boulderdash[] =
3873 {
3874   EL_INTERNAL_CASCADE_BD_ACTIVE,
3875   EL_CHAR('B'),
3876   EL_CHAR('D'),
3877   EL_EMPTY,
3878 };
3879
3880 static int editor_el_boulderdash[] =
3881 {
3882   EL_EMPTY,
3883   EL_SAND,
3884   EL_BD_ROCK,
3885   EL_BD_DIAMOND,
3886
3887   EL_STEELWALL,
3888   EL_BD_WALL,
3889   EL_BD_EXPANDABLE_WALL,
3890   EL_BD_MAGIC_WALL,
3891
3892   EL_BD_AMOEBA,
3893   EL_BD_BUTTERFLY_UP,
3894   EL_BD_FIREFLY_UP,
3895   EL_EXIT_CLOSED,
3896
3897   EL_BD_BUTTERFLY_LEFT,
3898   EL_BD_FIREFLY_LEFT,
3899   EL_BD_BUTTERFLY_RIGHT,
3900   EL_BD_FIREFLY_RIGHT,
3901
3902   EL_EMPTY,
3903   EL_BD_BUTTERFLY_DOWN,
3904   EL_BD_FIREFLY_DOWN,
3905   EL_EXIT_OPEN,
3906 };
3907 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
3908 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
3909 static int num_editor_hl_boulderdash = ARRAY_SIZE(editor_hl_boulderdash);
3910 static int num_editor_el_boulderdash = ARRAY_SIZE(editor_el_boulderdash);
3911
3912 static int editor_hl_emerald_mine[] =
3913 {
3914   EL_INTERNAL_CASCADE_EM_ACTIVE,
3915   EL_CHAR('E'),
3916   EL_CHAR('M'),
3917   EL_EMPTY,
3918 };
3919
3920 static int editor_el_emerald_mine[] =
3921 {
3922   EL_SAND,
3923   EL_ROCK,
3924   EL_QUICKSAND_EMPTY,
3925   EL_QUICKSAND_FULL,
3926
3927   EL_STEELWALL,
3928   EL_WALL,
3929   EL_WALL_SLIPPERY,
3930   EL_MAGIC_WALL,
3931
3932   EL_EMERALD,
3933   EL_DIAMOND,
3934   EL_NUT,
3935   EL_BOMB,
3936
3937   EL_EM_DYNAMITE,
3938   EL_EM_DYNAMITE_ACTIVE,
3939   EL_EM_EXIT_CLOSED,
3940   EL_EM_EXIT_OPEN,
3941
3942   EL_YAMYAM_UP,
3943   EL_BUG_UP,
3944   EL_SPACESHIP_UP,
3945   EL_ROBOT,
3946
3947   EL_BUG_LEFT,
3948   EL_SPACESHIP_LEFT,
3949   EL_BUG_RIGHT,
3950   EL_SPACESHIP_RIGHT,
3951
3952   EL_ROBOT_WHEEL,
3953   EL_BUG_DOWN,
3954   EL_SPACESHIP_DOWN,
3955   EL_INVISIBLE_WALL,
3956
3957   EL_ACID_POOL_TOPLEFT,
3958   EL_ACID,
3959   EL_ACID_POOL_TOPRIGHT,
3960   EL_AMOEBA_DROP,
3961
3962   EL_ACID_POOL_BOTTOMLEFT,
3963   EL_ACID_POOL_BOTTOM,
3964   EL_ACID_POOL_BOTTOMRIGHT,
3965   EL_AMOEBA_WET,
3966
3967   EL_EM_KEY_1,
3968   EL_EM_KEY_2,
3969   EL_EM_KEY_3,
3970   EL_EM_KEY_4,
3971
3972   EL_EM_GATE_1,
3973   EL_EM_GATE_2,
3974   EL_EM_GATE_3,
3975   EL_EM_GATE_4,
3976
3977   EL_EM_GATE_1_GRAY,
3978   EL_EM_GATE_2_GRAY,
3979   EL_EM_GATE_3_GRAY,
3980   EL_EM_GATE_4_GRAY,
3981 };
3982 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
3983 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
3984 static int num_editor_hl_emerald_mine = ARRAY_SIZE(editor_hl_emerald_mine);
3985 static int num_editor_el_emerald_mine = ARRAY_SIZE(editor_el_emerald_mine);
3986
3987 static int editor_hl_emerald_mine_club[] =
3988 {
3989   EL_INTERNAL_CASCADE_EMC_ACTIVE,
3990   EL_CHAR('E'),
3991   EL_CHAR('M'),
3992   EL_CHAR('C'),
3993 };
3994
3995 static int editor_el_emerald_mine_club[] =
3996 {
3997   EL_EMC_KEY_5,
3998   EL_EMC_KEY_6,
3999   EL_EMC_KEY_7,
4000   EL_EMC_KEY_8,
4001
4002   EL_EMC_GATE_5,
4003   EL_EMC_GATE_6,
4004   EL_EMC_GATE_7,
4005   EL_EMC_GATE_8,
4006
4007   EL_EMC_GATE_5_GRAY,
4008   EL_EMC_GATE_6_GRAY,
4009   EL_EMC_GATE_7_GRAY,
4010   EL_EMC_GATE_8_GRAY,
4011
4012   EL_EMC_STEELWALL_1,
4013   EL_EMC_STEELWALL_2,
4014   EL_EMC_STEELWALL_3,
4015   EL_EMC_STEELWALL_4,
4016
4017   EL_EMC_WALL_13,
4018   EL_EMC_WALL_14,
4019   EL_EMC_WALL_15,
4020   EL_EMC_WALL_16,
4021
4022   EL_EMC_WALL_SLIPPERY_1,
4023   EL_EMC_WALL_SLIPPERY_2,
4024   EL_EMC_WALL_SLIPPERY_3,
4025   EL_EMC_WALL_SLIPPERY_4,
4026
4027   EL_EMC_WALL_1,
4028   EL_EMC_WALL_2,
4029   EL_EMC_WALL_3,
4030   EL_EMC_WALL_4,
4031
4032   EL_EMC_WALL_5,
4033   EL_EMC_WALL_6,
4034   EL_EMC_WALL_7,
4035   EL_EMC_WALL_8,
4036
4037   EL_EMC_WALL_9,
4038   EL_EMC_WALL_10,
4039   EL_EMC_WALL_11,
4040   EL_EMC_WALL_12,
4041
4042   EL_EMC_GRASS,
4043   EL_EMC_FAKE_GRASS,
4044   EL_EMC_PLANT,
4045   EL_EMC_DRIPPER,
4046
4047   EL_EMC_MAGIC_BALL,
4048   EL_EMC_MAGIC_BALL_SWITCH,
4049   EL_SPRING,
4050   EL_EMC_SPRING_BUMPER,
4051
4052   EL_EMC_LENSES,
4053   EL_EMC_MAGNIFIER,
4054   EL_EMPTY,
4055   EL_EMPTY,
4056
4057   EL_BALLOON,
4058   EL_YAMYAM_UP,
4059   EL_BALLOON_SWITCH_UP,
4060   EL_BALLOON_SWITCH_ANY,
4061
4062   EL_YAMYAM_LEFT,
4063   EL_BALLOON_SWITCH_LEFT,
4064   EL_YAMYAM_RIGHT,
4065   EL_BALLOON_SWITCH_RIGHT,
4066
4067   EL_EMC_ANDROID,
4068   EL_YAMYAM_DOWN,
4069   EL_BALLOON_SWITCH_DOWN,
4070   EL_BALLOON_SWITCH_NONE,
4071 };
4072 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
4073 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
4074 static int num_editor_hl_emerald_mine_club = ARRAY_SIZE(editor_hl_emerald_mine_club);
4075 static int num_editor_el_emerald_mine_club = ARRAY_SIZE(editor_el_emerald_mine_club);
4076
4077 static int editor_hl_rnd[] =
4078 {
4079   EL_INTERNAL_CASCADE_RND_ACTIVE,
4080   EL_CHAR('R'),
4081   EL_CHAR('N'),
4082   EL_CHAR('D'),
4083 };
4084
4085 static int editor_el_rnd[] =
4086 {
4087   EL_DYNAMITE,                  // RND
4088   EL_DYNAMITE_ACTIVE,           // RND
4089   EL_EMPTY,
4090   EL_EMPTY,
4091
4092   EL_KEY_1,
4093   EL_KEY_2,
4094   EL_KEY_3,
4095   EL_KEY_4,
4096
4097   EL_GATE_1,
4098   EL_GATE_2,
4099   EL_GATE_3,
4100   EL_GATE_4,
4101
4102   EL_GATE_1_GRAY,
4103   EL_GATE_2_GRAY,
4104   EL_GATE_3_GRAY,
4105   EL_GATE_4_GRAY,
4106
4107   EL_ARROW_LEFT,
4108   EL_ARROW_RIGHT,
4109   EL_ARROW_UP,
4110   EL_ARROW_DOWN,
4111
4112   EL_AMOEBA_DEAD,
4113   EL_AMOEBA_DRY,
4114   EL_AMOEBA_FULL,
4115   EL_GAME_OF_LIFE,
4116
4117   EL_EMERALD_YELLOW,
4118   EL_EMERALD_RED,
4119   EL_EMERALD_PURPLE,
4120   EL_BIOMAZE,
4121
4122   EL_WALL_EMERALD_YELLOW,
4123   EL_WALL_EMERALD_RED,
4124   EL_WALL_EMERALD_PURPLE,
4125   EL_WALL_BD_DIAMOND,
4126
4127   EL_SPEED_PILL,
4128   EL_PACMAN_UP,
4129   EL_TIME_ORB_FULL,
4130   EL_TIME_ORB_EMPTY,
4131
4132   EL_PACMAN_LEFT,
4133   EL_DARK_YAMYAM,
4134   EL_PACMAN_RIGHT,
4135   EL_YAMYAM,                    // RND
4136
4137   EL_BLACK_ORB,
4138   EL_PACMAN_DOWN,
4139   EL_LAMP,
4140   EL_LAMP_ACTIVE,
4141
4142   EL_DYNABOMB_INCREASE_NUMBER,
4143   EL_DYNABOMB_INCREASE_SIZE,
4144   EL_DYNABOMB_INCREASE_POWER,
4145   EL_STONEBLOCK,
4146
4147   EL_MOLE,
4148   EL_PENGUIN,
4149   EL_PIG,
4150   EL_DRAGON,
4151
4152   EL_BUG,
4153   EL_MOLE_UP,
4154   EL_BD_BUTTERFLY,
4155   EL_BD_FIREFLY,
4156
4157   EL_MOLE_LEFT,
4158   EL_SATELLITE,
4159   EL_MOLE_RIGHT,
4160   EL_PACMAN,
4161
4162   EL_SPACESHIP,
4163   EL_MOLE_DOWN,
4164   EL_INVISIBLE_STEELWALL,
4165   EL_INVISIBLE_WALL,
4166
4167   EL_EXPANDABLE_WALL,
4168   EL_EXPANDABLE_WALL_HORIZONTAL,
4169   EL_EXPANDABLE_WALL_VERTICAL,
4170   EL_EXPANDABLE_WALL_ANY,
4171 };
4172 static int *editor_hl_rnd_ptr = editor_hl_rnd;
4173 static int *editor_el_rnd_ptr = editor_el_rnd;
4174 static int num_editor_hl_rnd = ARRAY_SIZE(editor_hl_rnd);
4175 static int num_editor_el_rnd = ARRAY_SIZE(editor_el_rnd);
4176
4177 static int editor_hl_sokoban[] =
4178 {
4179   EL_INTERNAL_CASCADE_SB_ACTIVE,
4180   EL_CHAR('S'),
4181   EL_CHAR('B'),
4182   EL_EMPTY,
4183 };
4184
4185 static int editor_el_sokoban[] =
4186 {
4187   EL_SOKOBAN_OBJECT,
4188   EL_SOKOBAN_FIELD_EMPTY,
4189   EL_SOKOBAN_FIELD_FULL,
4190   EL_SOKOBAN_FIELD_PLAYER,
4191 };
4192 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
4193 static int *editor_el_sokoban_ptr = editor_el_sokoban;
4194 static int num_editor_hl_sokoban = ARRAY_SIZE(editor_hl_sokoban);
4195 static int num_editor_el_sokoban = ARRAY_SIZE(editor_el_sokoban);
4196
4197 static int editor_hl_supaplex[] =
4198 {
4199   EL_INTERNAL_CASCADE_SP_ACTIVE,
4200   EL_CHAR('S'),
4201   EL_CHAR('P'),
4202   EL_EMPTY,
4203 };
4204
4205 static int editor_el_supaplex[] =
4206 {
4207   EL_SP_MURPHY,
4208   EL_EMPTY,
4209   EL_SP_BASE,
4210   EL_SP_BUGGY_BASE,
4211
4212   EL_SP_INFOTRON,
4213   EL_SP_ZONK,
4214   EL_SP_SNIKSNAK,
4215   EL_SP_ELECTRON,
4216
4217   EL_SP_DISK_RED,
4218   EL_SP_DISK_ORANGE,
4219   EL_SP_DISK_YELLOW,
4220   EL_SP_TERMINAL,
4221
4222   EL_SP_EXIT_CLOSED,
4223   EL_SP_PORT_HORIZONTAL,
4224   EL_SP_PORT_VERTICAL,
4225   EL_SP_PORT_ANY,
4226
4227   EL_SP_PORT_LEFT,
4228   EL_SP_PORT_RIGHT,
4229   EL_SP_PORT_UP,
4230   EL_SP_PORT_DOWN,
4231
4232   EL_SP_GRAVITY_PORT_LEFT,
4233   EL_SP_GRAVITY_PORT_RIGHT,
4234   EL_SP_GRAVITY_PORT_UP,
4235   EL_SP_GRAVITY_PORT_DOWN,
4236
4237   EL_SP_GRAVITY_ON_PORT_LEFT,
4238   EL_SP_GRAVITY_ON_PORT_RIGHT,
4239   EL_SP_GRAVITY_ON_PORT_UP,
4240   EL_SP_GRAVITY_ON_PORT_DOWN,
4241
4242   EL_SP_GRAVITY_OFF_PORT_LEFT,
4243   EL_SP_GRAVITY_OFF_PORT_RIGHT,
4244   EL_SP_GRAVITY_OFF_PORT_UP,
4245   EL_SP_GRAVITY_OFF_PORT_DOWN,
4246
4247   EL_SP_HARDWARE_GRAY,
4248   EL_SP_HARDWARE_GREEN,
4249   EL_SP_HARDWARE_BLUE,
4250   EL_SP_HARDWARE_RED,
4251
4252   EL_SP_HARDWARE_BASE_1,
4253   EL_SP_HARDWARE_BASE_2,
4254   EL_SP_HARDWARE_BASE_3,
4255   EL_SP_HARDWARE_BASE_4,
4256
4257   EL_SP_HARDWARE_BASE_5,
4258   EL_SP_HARDWARE_BASE_6,
4259   EL_SP_HARDWARE_YELLOW,
4260   EL_SP_CHIP_TOP,
4261
4262   EL_SP_CHIP_SINGLE,
4263   EL_SP_CHIP_LEFT,
4264   EL_SP_CHIP_RIGHT,
4265   EL_SP_CHIP_BOTTOM,
4266 };
4267 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
4268 static int *editor_el_supaplex_ptr = editor_el_supaplex;
4269 static int num_editor_hl_supaplex = ARRAY_SIZE(editor_hl_supaplex);
4270 static int num_editor_el_supaplex = ARRAY_SIZE(editor_el_supaplex);
4271
4272 static int editor_hl_diamond_caves[] =
4273 {
4274   EL_INTERNAL_CASCADE_DC_ACTIVE,
4275   EL_CHAR('D'),
4276   EL_CHAR('C'),
4277   EL_CHAR('2'),
4278 };
4279
4280 static int editor_el_diamond_caves[] =
4281 {
4282   EL_EM_STEEL_EXIT_CLOSED,      // DC2
4283   EL_EM_STEEL_EXIT_OPEN,        // DC2
4284   EL_WALL_EMERALD,              // DC2
4285   EL_WALL_DIAMOND,              // DC2
4286
4287   EL_PEARL,
4288   EL_CRYSTAL,
4289   EL_WALL_PEARL,
4290   EL_WALL_CRYSTAL,
4291
4292   EL_CONVEYOR_BELT_1_LEFT,
4293   EL_CONVEYOR_BELT_1_MIDDLE,
4294   EL_CONVEYOR_BELT_1_RIGHT,
4295   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
4296
4297   EL_CONVEYOR_BELT_2_LEFT,
4298   EL_CONVEYOR_BELT_2_MIDDLE,
4299   EL_CONVEYOR_BELT_2_RIGHT,
4300   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
4301
4302   EL_CONVEYOR_BELT_3_LEFT,
4303   EL_CONVEYOR_BELT_3_MIDDLE,
4304   EL_CONVEYOR_BELT_3_RIGHT,
4305   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
4306
4307   EL_CONVEYOR_BELT_4_LEFT,
4308   EL_CONVEYOR_BELT_4_MIDDLE,
4309   EL_CONVEYOR_BELT_4_RIGHT,
4310   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
4311
4312   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
4313   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
4314   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
4315   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
4316
4317   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
4318   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
4319   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
4320   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
4321
4322   EL_TIMEGATE_CLOSED,
4323   EL_TIMEGATE_OPEN,
4324   EL_TIMEGATE_SWITCH,
4325   EL_DC_TIMEGATE_SWITCH,
4326
4327   EL_SWITCHGATE_CLOSED,
4328   EL_SWITCHGATE_OPEN,
4329   EL_SWITCHGATE_SWITCH_UP,
4330   EL_SWITCHGATE_SWITCH_DOWN,
4331
4332   EL_LIGHT_SWITCH,
4333   EL_LIGHT_SWITCH_ACTIVE,
4334   EL_DC_SWITCHGATE_SWITCH_UP,
4335   EL_DC_SWITCHGATE_SWITCH_DOWN,
4336
4337   EL_STEEL_EXIT_CLOSED,
4338   EL_STEEL_EXIT_OPEN,
4339   EL_STEELWALL_SLIPPERY,
4340   EL_INVISIBLE_SAND,
4341
4342   EL_QUICKSAND_FAST_EMPTY,
4343   EL_QUICKSAND_FAST_FULL,
4344   EL_LANDMINE,
4345   EL_DC_LANDMINE,
4346
4347   EL_SHIELD_NORMAL,
4348   EL_SHIELD_DEADLY,
4349   EL_EXTRA_TIME,
4350   EL_DC_MAGIC_WALL,
4351
4352   EL_ENVELOPE_1,
4353   EL_ENVELOPE_2,
4354   EL_ENVELOPE_3,
4355   EL_ENVELOPE_4,
4356
4357   EL_SIGN_RADIOACTIVITY,
4358   EL_SIGN_WHEELCHAIR,
4359   EL_SIGN_PARKING,
4360   EL_SIGN_NO_ENTRY,
4361
4362   EL_SIGN_GIVE_WAY,
4363   EL_SIGN_ENTRY_FORBIDDEN,
4364   EL_SIGN_EMERGENCY_EXIT,
4365   EL_SIGN_YIN_YANG,
4366
4367 #if 0
4368   EL_SIGN_SPERMS,
4369   EL_SIGN_BULLET,
4370   EL_SIGN_HEART,
4371   EL_SIGN_CROSS,
4372
4373   EL_SIGN_FRANKIE,
4374   EL_EMPTY,
4375   EL_EMPTY,
4376   EL_EMPTY,
4377
4378   EL_SPERMS,
4379   EL_BULLET,
4380   EL_HEART,
4381   EL_CROSS,
4382
4383   EL_FRANKIE,
4384   EL_EMPTY,
4385   EL_EMPTY,
4386   EL_EMPTY,
4387 #endif
4388
4389   EL_DC_STEELWALL_2_SINGLE,
4390   EL_DC_STEELWALL_2_TOP,
4391   EL_SIGN_EXCLAMATION,
4392   EL_SIGN_STOP,
4393
4394   EL_DC_STEELWALL_2_LEFT,
4395   EL_DC_STEELWALL_2_MIDDLE,
4396   EL_DC_STEELWALL_2_HORIZONTAL,
4397   EL_DC_STEELWALL_2_RIGHT,
4398
4399   EL_DC_STEELWALL_1_TOPLEFT,
4400   EL_DC_STEELWALL_2_VERTICAL,
4401   EL_DC_STEELWALL_1_TOPRIGHT,
4402   EL_DC_GATE_WHITE,
4403
4404   EL_DC_STEELWALL_1_VERTICAL,
4405   EL_DC_STEELWALL_2_BOTTOM,
4406   EL_DC_KEY_WHITE,
4407   EL_DC_GATE_WHITE_GRAY,
4408
4409   EL_DC_STEELWALL_1_BOTTOMLEFT,
4410   EL_DC_STEELWALL_1_HORIZONTAL,
4411   EL_DC_STEELWALL_1_BOTTOMRIGHT,
4412   EL_DC_GATE_FAKE_GRAY,
4413
4414   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
4415   EL_DC_STEELWALL_1_BOTTOM,
4416   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
4417   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
4418
4419   EL_DC_STEELWALL_1_RIGHT,
4420   EL_EMPTY,
4421   EL_DC_STEELWALL_1_LEFT,
4422   EL_EXPANDABLE_STEELWALL_VERTICAL,
4423
4424   EL_DC_STEELWALL_1_TOPRIGHT_2,
4425   EL_DC_STEELWALL_1_TOP,
4426   EL_DC_STEELWALL_1_TOPLEFT_2,
4427   EL_EXPANDABLE_STEELWALL_ANY,
4428 };
4429 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
4430 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
4431 static int num_editor_hl_diamond_caves = ARRAY_SIZE(editor_hl_diamond_caves);
4432 static int num_editor_el_diamond_caves = ARRAY_SIZE(editor_el_diamond_caves);
4433
4434 static int editor_hl_dx_boulderdash[] =
4435 {
4436   EL_INTERNAL_CASCADE_DX_ACTIVE,
4437   EL_CHAR('D'),
4438   EL_CHAR('X'),
4439   EL_EMPTY,
4440 };
4441
4442 static int editor_el_dx_boulderdash[] =
4443 {
4444   EL_EMPTY,
4445   EL_TUBE_RIGHT_DOWN,
4446   EL_TUBE_HORIZONTAL_DOWN,
4447   EL_TUBE_LEFT_DOWN,
4448
4449   EL_TUBE_HORIZONTAL,
4450   EL_TUBE_VERTICAL_RIGHT,
4451   EL_TUBE_ANY,
4452   EL_TUBE_VERTICAL_LEFT,
4453
4454   EL_TUBE_VERTICAL,
4455   EL_TUBE_RIGHT_UP,
4456   EL_TUBE_HORIZONTAL_UP,
4457   EL_TUBE_LEFT_UP,
4458
4459   EL_TRAP,
4460   EL_DX_SUPABOMB,
4461   EL_EMPTY,
4462   EL_EMPTY
4463 };
4464 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
4465 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
4466 static int num_editor_hl_dx_boulderdash = ARRAY_SIZE(editor_hl_dx_boulderdash);
4467 static int num_editor_el_dx_boulderdash = ARRAY_SIZE(editor_el_dx_boulderdash);
4468
4469 static int editor_hl_mirror_magic[] =
4470 {
4471   EL_INTERNAL_CASCADE_MM_ACTIVE,
4472   EL_CHAR('M'),
4473   EL_CHAR('M'),
4474   EL_EMPTY,
4475 };
4476
4477 static int editor_el_mirror_magic[] =
4478 {
4479   EL_MM_MCDUFFIN_RIGHT,
4480   EL_MM_MCDUFFIN_UP,
4481   EL_MM_MCDUFFIN_LEFT,
4482   EL_MM_MCDUFFIN_DOWN,
4483
4484   EL_MM_MIRROR_START,
4485   EL_MM_MIRROR_FIXED_START,
4486   EL_MM_POLARIZER_START,
4487   EL_MM_POLARIZER_CROSS_START,
4488
4489   EL_MM_TELEPORTER_RED_START,
4490   EL_MM_TELEPORTER_YELLOW_START,
4491   EL_MM_TELEPORTER_GREEN_START,
4492   EL_MM_TELEPORTER_BLUE_START,
4493
4494   EL_MM_PRISM,
4495   EL_MM_FUSE_ACTIVE,
4496   EL_MM_PACMAN_RIGHT,
4497   EL_MM_EXIT_CLOSED,
4498
4499   EL_MM_KETTLE,
4500   EL_MM_BOMB,
4501   EL_MM_KEY,
4502   EL_MM_FUEL_FULL,
4503
4504   EL_MM_LIGHTBULB,
4505   EL_MM_LIGHTBULB_ACTIVE,
4506   EL_MM_GRAY_BALL,
4507   EL_MM_LIGHTBALL,
4508
4509   EL_MM_STEEL_WALL,
4510   EL_MM_WOODEN_WALL,
4511   EL_MM_ICE_WALL,
4512   EL_MM_AMOEBA_WALL,
4513
4514   EL_MM_STEEL_LOCK,
4515   EL_MM_WOODEN_LOCK,
4516   EL_MM_STEEL_BLOCK,
4517   EL_MM_WOODEN_BLOCK,
4518
4519   EL_MM_STEEL_GRID_FIXED_1,
4520   EL_MM_STEEL_GRID_FIXED_2,
4521   EL_MM_STEEL_GRID_FIXED_3,
4522   EL_MM_STEEL_GRID_FIXED_4,
4523
4524   EL_MM_WOODEN_GRID_FIXED_1,
4525   EL_MM_WOODEN_GRID_FIXED_2,
4526   EL_MM_WOODEN_GRID_FIXED_3,
4527   EL_MM_WOODEN_GRID_FIXED_4
4528 };
4529 static int *editor_hl_mirror_magic_ptr = editor_hl_mirror_magic;
4530 static int *editor_el_mirror_magic_ptr = editor_el_mirror_magic;
4531 static int num_editor_hl_mirror_magic = ARRAY_SIZE(editor_hl_mirror_magic);
4532 static int num_editor_el_mirror_magic = ARRAY_SIZE(editor_el_mirror_magic);
4533
4534 static int editor_hl_deflektor[] =
4535 {
4536   EL_INTERNAL_CASCADE_DF_ACTIVE,
4537   EL_CHAR('D'),
4538   EL_CHAR('F'),
4539   EL_EMPTY,
4540 };
4541
4542 static int editor_el_deflektor[] =
4543 {
4544   EL_DF_LASER_RIGHT,
4545   EL_DF_LASER_UP,
4546   EL_DF_LASER_LEFT,
4547   EL_DF_LASER_DOWN,
4548
4549   EL_DF_RECEIVER_RIGHT,
4550   EL_DF_RECEIVER_UP,
4551   EL_DF_RECEIVER_LEFT,
4552   EL_DF_RECEIVER_DOWN,
4553
4554   EL_DF_MIRROR_START,
4555   EL_DF_MIRROR_ROTATING_START,
4556   EL_DF_CELL,
4557   EL_DF_MINE,
4558
4559   EL_DF_FIBRE_OPTIC_RED_1,
4560   EL_DF_FIBRE_OPTIC_YELLOW_1,
4561   EL_DF_FIBRE_OPTIC_GREEN_1,
4562   EL_DF_FIBRE_OPTIC_BLUE_1,
4563
4564   EL_DF_STEEL_GRID_FIXED_START,
4565   EL_DF_STEEL_GRID_ROTATING_START,
4566   EL_DF_WOODEN_GRID_FIXED_START,
4567   EL_DF_WOODEN_GRID_ROTATING_START,
4568
4569   EL_DF_STEEL_WALL,
4570   EL_DF_WOODEN_WALL,
4571   EL_DF_REFRACTOR,
4572   EL_EMPTY
4573 };
4574 static int *editor_hl_deflektor_ptr = editor_hl_deflektor;
4575 static int *editor_el_deflektor_ptr = editor_el_deflektor;
4576 static int num_editor_hl_deflektor = ARRAY_SIZE(editor_hl_deflektor);
4577 static int num_editor_el_deflektor = ARRAY_SIZE(editor_el_deflektor);
4578
4579 static int editor_hl_chars[] =
4580 {
4581   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
4582   EL_CHAR('T'),
4583   EL_CHAR('X'),
4584   EL_CHAR('T'),
4585 };
4586
4587 static int editor_el_chars[] =
4588 {
4589   EL_CHAR(' '),
4590   EL_CHAR('!'),
4591   EL_CHAR('"'),
4592   EL_CHAR('#'),
4593
4594   EL_CHAR('$'),
4595   EL_CHAR('%'),
4596   EL_CHAR('&'),
4597   EL_CHAR('\''),
4598
4599   EL_CHAR('('),
4600   EL_CHAR(')'),
4601   EL_CHAR('*'),
4602   EL_CHAR('+'),
4603
4604   EL_CHAR(','),
4605   EL_CHAR('-'),
4606   EL_CHAR('.'),
4607   EL_CHAR('/'),
4608
4609   EL_CHAR('0'),
4610   EL_CHAR('1'),
4611   EL_CHAR('2'),
4612   EL_CHAR('3'),
4613
4614   EL_CHAR('4'),
4615   EL_CHAR('5'),
4616   EL_CHAR('6'),
4617   EL_CHAR('7'),
4618
4619   EL_CHAR('8'),
4620   EL_CHAR('9'),
4621   EL_CHAR(':'),
4622   EL_CHAR(';'),
4623
4624   EL_CHAR('<'),
4625   EL_CHAR('='),
4626   EL_CHAR('>'),
4627   EL_CHAR('?'),
4628
4629   EL_CHAR('@'),
4630   EL_CHAR('A'),
4631   EL_CHAR('B'),
4632   EL_CHAR('C'),
4633
4634   EL_CHAR('D'),
4635   EL_CHAR('E'),
4636   EL_CHAR('F'),
4637   EL_CHAR('G'),
4638
4639   EL_CHAR('H'),
4640   EL_CHAR('I'),
4641   EL_CHAR('J'),
4642   EL_CHAR('K'),
4643
4644   EL_CHAR('L'),
4645   EL_CHAR('M'),
4646   EL_CHAR('N'),
4647   EL_CHAR('O'),
4648
4649   EL_CHAR('P'),
4650   EL_CHAR('Q'),
4651   EL_CHAR('R'),
4652   EL_CHAR('S'),
4653
4654   EL_CHAR('T'),
4655   EL_CHAR('U'),
4656   EL_CHAR('V'),
4657   EL_CHAR('W'),
4658
4659   EL_CHAR('X'),
4660   EL_CHAR('Y'),
4661   EL_CHAR('Z'),
4662   EL_CHAR('['),
4663
4664   EL_CHAR('\\'),
4665   EL_CHAR(']'),
4666   EL_CHAR('^'),
4667   EL_CHAR('_'),
4668
4669   EL_CHAR(CHAR_BYTE_COPYRIGHT),
4670   EL_CHAR(CHAR_BYTE_UMLAUT_A),
4671   EL_CHAR(CHAR_BYTE_UMLAUT_O),
4672   EL_CHAR(CHAR_BYTE_UMLAUT_U),
4673
4674   EL_CHAR(CHAR_BYTE_DEGREE),
4675   EL_CHAR(CHAR_BYTE_REGISTERED),
4676   EL_CHAR(FONT_ASCII_CURSOR),
4677   EL_CHAR(FONT_ASCII_BUTTON),
4678
4679   EL_CHAR(FONT_ASCII_UP),
4680   EL_CHAR(FONT_ASCII_DOWN),
4681   EL_CHAR(' '),
4682   EL_CHAR(' ')
4683 };
4684 static int *editor_hl_chars_ptr = editor_hl_chars;
4685 static int *editor_el_chars_ptr = editor_el_chars;
4686 static int num_editor_hl_chars = ARRAY_SIZE(editor_hl_chars);
4687 static int num_editor_el_chars = ARRAY_SIZE(editor_el_chars);
4688
4689 static int editor_hl_steel_chars[] =
4690 {
4691   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
4692   EL_STEEL_CHAR('T'),
4693   EL_STEEL_CHAR('X'),
4694   EL_STEEL_CHAR('T'),
4695 };
4696
4697 static int editor_el_steel_chars[] =
4698 {
4699   EL_STEEL_CHAR(' '),
4700   EL_STEEL_CHAR('!'),
4701   EL_STEEL_CHAR('"'),
4702   EL_STEEL_CHAR('#'),
4703
4704   EL_STEEL_CHAR('$'),
4705   EL_STEEL_CHAR('%'),
4706   EL_STEEL_CHAR('&'),
4707   EL_STEEL_CHAR('\''),
4708
4709   EL_STEEL_CHAR('('),
4710   EL_STEEL_CHAR(')'),
4711   EL_STEEL_CHAR('*'),
4712   EL_STEEL_CHAR('+'),
4713
4714   EL_STEEL_CHAR(','),
4715   EL_STEEL_CHAR('-'),
4716   EL_STEEL_CHAR('.'),
4717   EL_STEEL_CHAR('/'),
4718
4719   EL_STEEL_CHAR('0'),
4720   EL_STEEL_CHAR('1'),
4721   EL_STEEL_CHAR('2'),
4722   EL_STEEL_CHAR('3'),
4723
4724   EL_STEEL_CHAR('4'),
4725   EL_STEEL_CHAR('5'),
4726   EL_STEEL_CHAR('6'),
4727   EL_STEEL_CHAR('7'),
4728
4729   EL_STEEL_CHAR('8'),
4730   EL_STEEL_CHAR('9'),
4731   EL_STEEL_CHAR(':'),
4732   EL_STEEL_CHAR(';'),
4733
4734   EL_STEEL_CHAR('<'),
4735   EL_STEEL_CHAR('='),
4736   EL_STEEL_CHAR('>'),
4737   EL_STEEL_CHAR('?'),
4738
4739   EL_STEEL_CHAR('@'),
4740   EL_STEEL_CHAR('A'),
4741   EL_STEEL_CHAR('B'),
4742   EL_STEEL_CHAR('C'),
4743
4744   EL_STEEL_CHAR('D'),
4745   EL_STEEL_CHAR('E'),
4746   EL_STEEL_CHAR('F'),
4747   EL_STEEL_CHAR('G'),
4748
4749   EL_STEEL_CHAR('H'),
4750   EL_STEEL_CHAR('I'),
4751   EL_STEEL_CHAR('J'),
4752   EL_STEEL_CHAR('K'),
4753
4754   EL_STEEL_CHAR('L'),
4755   EL_STEEL_CHAR('M'),
4756   EL_STEEL_CHAR('N'),
4757   EL_STEEL_CHAR('O'),
4758
4759   EL_STEEL_CHAR('P'),
4760   EL_STEEL_CHAR('Q'),
4761   EL_STEEL_CHAR('R'),
4762   EL_STEEL_CHAR('S'),
4763
4764   EL_STEEL_CHAR('T'),
4765   EL_STEEL_CHAR('U'),
4766   EL_STEEL_CHAR('V'),
4767   EL_STEEL_CHAR('W'),
4768
4769   EL_STEEL_CHAR('X'),
4770   EL_STEEL_CHAR('Y'),
4771   EL_STEEL_CHAR('Z'),
4772   EL_STEEL_CHAR('['),
4773
4774   EL_STEEL_CHAR('\\'),
4775   EL_STEEL_CHAR(']'),
4776   EL_STEEL_CHAR('^'),
4777   EL_STEEL_CHAR('_'),
4778
4779   EL_STEEL_CHAR(CHAR_BYTE_COPYRIGHT),
4780   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_A),
4781   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_O),
4782   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_U),
4783
4784   EL_STEEL_CHAR(CHAR_BYTE_DEGREE),
4785   EL_STEEL_CHAR(CHAR_BYTE_REGISTERED),
4786   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
4787   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
4788
4789   EL_STEEL_CHAR(FONT_ASCII_UP),
4790   EL_STEEL_CHAR(FONT_ASCII_DOWN),
4791   EL_STEEL_CHAR(' '),
4792   EL_STEEL_CHAR(' ')
4793 };
4794 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
4795 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
4796 static int num_editor_hl_steel_chars = ARRAY_SIZE(editor_hl_steel_chars);
4797 static int num_editor_el_steel_chars = ARRAY_SIZE(editor_el_steel_chars);
4798
4799 static int editor_hl_custom[] =
4800 {
4801   EL_INTERNAL_CASCADE_CE_ACTIVE,
4802   EL_CHAR('C'),
4803   EL_CHAR('E'),
4804   EL_EMPTY,
4805 };
4806
4807 static int editor_el_custom[] =
4808 {
4809   EL_CUSTOM_START + 0,
4810   EL_CUSTOM_START + 1,
4811   EL_CUSTOM_START + 2,
4812   EL_CUSTOM_START + 3,
4813
4814   EL_CUSTOM_START + 4,
4815   EL_CUSTOM_START + 5,
4816   EL_CUSTOM_START + 6,
4817   EL_CUSTOM_START + 7,
4818
4819   EL_CUSTOM_START + 8,
4820   EL_CUSTOM_START + 9,
4821   EL_CUSTOM_START + 10,
4822   EL_CUSTOM_START + 11,
4823
4824   EL_CUSTOM_START + 12,
4825   EL_CUSTOM_START + 13,
4826   EL_CUSTOM_START + 14,
4827   EL_CUSTOM_START + 15,
4828
4829   EL_CUSTOM_START + 16,
4830   EL_CUSTOM_START + 17,
4831   EL_CUSTOM_START + 18,
4832   EL_CUSTOM_START + 19,
4833
4834   EL_CUSTOM_START + 20,
4835   EL_CUSTOM_START + 21,
4836   EL_CUSTOM_START + 22,
4837   EL_CUSTOM_START + 23,
4838
4839   EL_CUSTOM_START + 24,
4840   EL_CUSTOM_START + 25,
4841   EL_CUSTOM_START + 26,
4842   EL_CUSTOM_START + 27,
4843
4844   EL_CUSTOM_START + 28,
4845   EL_CUSTOM_START + 29,
4846   EL_CUSTOM_START + 30,
4847   EL_CUSTOM_START + 31,
4848
4849   EL_CUSTOM_START + 32,
4850   EL_CUSTOM_START + 33,
4851   EL_CUSTOM_START + 34,
4852   EL_CUSTOM_START + 35,
4853
4854   EL_CUSTOM_START + 36,
4855   EL_CUSTOM_START + 37,
4856   EL_CUSTOM_START + 38,
4857   EL_CUSTOM_START + 39,
4858
4859   EL_CUSTOM_START + 40,
4860   EL_CUSTOM_START + 41,
4861   EL_CUSTOM_START + 42,
4862   EL_CUSTOM_START + 43,
4863
4864   EL_CUSTOM_START + 44,
4865   EL_CUSTOM_START + 45,
4866   EL_CUSTOM_START + 46,
4867   EL_CUSTOM_START + 47,
4868
4869   EL_CUSTOM_START + 48,
4870   EL_CUSTOM_START + 49,
4871   EL_CUSTOM_START + 50,
4872   EL_CUSTOM_START + 51,
4873
4874   EL_CUSTOM_START + 52,
4875   EL_CUSTOM_START + 53,
4876   EL_CUSTOM_START + 54,
4877   EL_CUSTOM_START + 55,
4878
4879   EL_CUSTOM_START + 56,
4880   EL_CUSTOM_START + 57,
4881   EL_CUSTOM_START + 58,
4882   EL_CUSTOM_START + 59,
4883
4884   EL_CUSTOM_START + 60,
4885   EL_CUSTOM_START + 61,
4886   EL_CUSTOM_START + 62,
4887   EL_CUSTOM_START + 63,
4888
4889   EL_CUSTOM_START + 64,
4890   EL_CUSTOM_START + 65,
4891   EL_CUSTOM_START + 66,
4892   EL_CUSTOM_START + 67,
4893
4894   EL_CUSTOM_START + 68,
4895   EL_CUSTOM_START + 69,
4896   EL_CUSTOM_START + 70,
4897   EL_CUSTOM_START + 71,
4898
4899   EL_CUSTOM_START + 72,
4900   EL_CUSTOM_START + 73,
4901   EL_CUSTOM_START + 74,
4902   EL_CUSTOM_START + 75,
4903
4904   EL_CUSTOM_START + 76,
4905   EL_CUSTOM_START + 77,
4906   EL_CUSTOM_START + 78,
4907   EL_CUSTOM_START + 79,
4908
4909   EL_CUSTOM_START + 80,
4910   EL_CUSTOM_START + 81,
4911   EL_CUSTOM_START + 82,
4912   EL_CUSTOM_START + 83,
4913
4914   EL_CUSTOM_START + 84,
4915   EL_CUSTOM_START + 85,
4916   EL_CUSTOM_START + 86,
4917   EL_CUSTOM_START + 87,
4918
4919   EL_CUSTOM_START + 88,
4920   EL_CUSTOM_START + 89,
4921   EL_CUSTOM_START + 90,
4922   EL_CUSTOM_START + 91,
4923
4924   EL_CUSTOM_START + 92,
4925   EL_CUSTOM_START + 93,
4926   EL_CUSTOM_START + 94,
4927   EL_CUSTOM_START + 95,
4928
4929   EL_CUSTOM_START + 96,
4930   EL_CUSTOM_START + 97,
4931   EL_CUSTOM_START + 98,
4932   EL_CUSTOM_START + 99,
4933
4934   EL_CUSTOM_START + 100,
4935   EL_CUSTOM_START + 101,
4936   EL_CUSTOM_START + 102,
4937   EL_CUSTOM_START + 103,
4938
4939   EL_CUSTOM_START + 104,
4940   EL_CUSTOM_START + 105,
4941   EL_CUSTOM_START + 106,
4942   EL_CUSTOM_START + 107,
4943
4944   EL_CUSTOM_START + 108,
4945   EL_CUSTOM_START + 109,
4946   EL_CUSTOM_START + 110,
4947   EL_CUSTOM_START + 111,
4948
4949   EL_CUSTOM_START + 112,
4950   EL_CUSTOM_START + 113,
4951   EL_CUSTOM_START + 114,
4952   EL_CUSTOM_START + 115,
4953
4954   EL_CUSTOM_START + 116,
4955   EL_CUSTOM_START + 117,
4956   EL_CUSTOM_START + 118,
4957   EL_CUSTOM_START + 119,
4958
4959   EL_CUSTOM_START + 120,
4960   EL_CUSTOM_START + 121,
4961   EL_CUSTOM_START + 122,
4962   EL_CUSTOM_START + 123,
4963
4964   EL_CUSTOM_START + 124,
4965   EL_CUSTOM_START + 125,
4966   EL_CUSTOM_START + 126,
4967   EL_CUSTOM_START + 127,
4968
4969   EL_CUSTOM_START + 128,
4970   EL_CUSTOM_START + 129,
4971   EL_CUSTOM_START + 130,
4972   EL_CUSTOM_START + 131,
4973
4974   EL_CUSTOM_START + 132,
4975   EL_CUSTOM_START + 133,
4976   EL_CUSTOM_START + 134,
4977   EL_CUSTOM_START + 135,
4978
4979   EL_CUSTOM_START + 136,
4980   EL_CUSTOM_START + 137,
4981   EL_CUSTOM_START + 138,
4982   EL_CUSTOM_START + 139,
4983
4984   EL_CUSTOM_START + 140,
4985   EL_CUSTOM_START + 141,
4986   EL_CUSTOM_START + 142,
4987   EL_CUSTOM_START + 143,
4988
4989   EL_CUSTOM_START + 144,
4990   EL_CUSTOM_START + 145,
4991   EL_CUSTOM_START + 146,
4992   EL_CUSTOM_START + 147,
4993
4994   EL_CUSTOM_START + 148,
4995   EL_CUSTOM_START + 149,
4996   EL_CUSTOM_START + 150,
4997   EL_CUSTOM_START + 151,
4998
4999   EL_CUSTOM_START + 152,
5000   EL_CUSTOM_START + 153,
5001   EL_CUSTOM_START + 154,
5002   EL_CUSTOM_START + 155,
5003
5004   EL_CUSTOM_START + 156,
5005   EL_CUSTOM_START + 157,
5006   EL_CUSTOM_START + 158,
5007   EL_CUSTOM_START + 159,
5008
5009   EL_CUSTOM_START + 160,
5010   EL_CUSTOM_START + 161,
5011   EL_CUSTOM_START + 162,
5012   EL_CUSTOM_START + 163,
5013
5014   EL_CUSTOM_START + 164,
5015   EL_CUSTOM_START + 165,
5016   EL_CUSTOM_START + 166,
5017   EL_CUSTOM_START + 167,
5018
5019   EL_CUSTOM_START + 168,
5020   EL_CUSTOM_START + 169,
5021   EL_CUSTOM_START + 170,
5022   EL_CUSTOM_START + 171,
5023
5024   EL_CUSTOM_START + 172,
5025   EL_CUSTOM_START + 173,
5026   EL_CUSTOM_START + 174,
5027   EL_CUSTOM_START + 175,
5028
5029   EL_CUSTOM_START + 176,
5030   EL_CUSTOM_START + 177,
5031   EL_CUSTOM_START + 178,
5032   EL_CUSTOM_START + 179,
5033
5034   EL_CUSTOM_START + 180,
5035   EL_CUSTOM_START + 181,
5036   EL_CUSTOM_START + 182,
5037   EL_CUSTOM_START + 183,
5038
5039   EL_CUSTOM_START + 184,
5040   EL_CUSTOM_START + 185,
5041   EL_CUSTOM_START + 186,
5042   EL_CUSTOM_START + 187,
5043
5044   EL_CUSTOM_START + 188,
5045   EL_CUSTOM_START + 189,
5046   EL_CUSTOM_START + 190,
5047   EL_CUSTOM_START + 191,
5048
5049   EL_CUSTOM_START + 192,
5050   EL_CUSTOM_START + 193,
5051   EL_CUSTOM_START + 194,
5052   EL_CUSTOM_START + 195,
5053
5054   EL_CUSTOM_START + 196,
5055   EL_CUSTOM_START + 197,
5056   EL_CUSTOM_START + 198,
5057   EL_CUSTOM_START + 199,
5058
5059   EL_CUSTOM_START + 200,
5060   EL_CUSTOM_START + 201,
5061   EL_CUSTOM_START + 202,
5062   EL_CUSTOM_START + 203,
5063
5064   EL_CUSTOM_START + 204,
5065   EL_CUSTOM_START + 205,
5066   EL_CUSTOM_START + 206,
5067   EL_CUSTOM_START + 207,
5068
5069   EL_CUSTOM_START + 208,
5070   EL_CUSTOM_START + 209,
5071   EL_CUSTOM_START + 210,
5072   EL_CUSTOM_START + 211,
5073
5074   EL_CUSTOM_START + 212,
5075   EL_CUSTOM_START + 213,
5076   EL_CUSTOM_START + 214,
5077   EL_CUSTOM_START + 215,
5078
5079   EL_CUSTOM_START + 216,
5080   EL_CUSTOM_START + 217,
5081   EL_CUSTOM_START + 218,
5082   EL_CUSTOM_START + 219,
5083
5084   EL_CUSTOM_START + 220,
5085   EL_CUSTOM_START + 221,
5086   EL_CUSTOM_START + 222,
5087   EL_CUSTOM_START + 223,
5088
5089   EL_CUSTOM_START + 224,
5090   EL_CUSTOM_START + 225,
5091   EL_CUSTOM_START + 226,
5092   EL_CUSTOM_START + 227,
5093
5094   EL_CUSTOM_START + 228,
5095   EL_CUSTOM_START + 229,
5096   EL_CUSTOM_START + 230,
5097   EL_CUSTOM_START + 231,
5098
5099   EL_CUSTOM_START + 232,
5100   EL_CUSTOM_START + 233,
5101   EL_CUSTOM_START + 234,
5102   EL_CUSTOM_START + 235,
5103
5104   EL_CUSTOM_START + 236,
5105   EL_CUSTOM_START + 237,
5106   EL_CUSTOM_START + 238,
5107   EL_CUSTOM_START + 239,
5108
5109   EL_CUSTOM_START + 240,
5110   EL_CUSTOM_START + 241,
5111   EL_CUSTOM_START + 242,
5112   EL_CUSTOM_START + 243,
5113
5114   EL_CUSTOM_START + 244,
5115   EL_CUSTOM_START + 245,
5116   EL_CUSTOM_START + 246,
5117   EL_CUSTOM_START + 247,
5118
5119   EL_CUSTOM_START + 248,
5120   EL_CUSTOM_START + 249,
5121   EL_CUSTOM_START + 250,
5122   EL_CUSTOM_START + 251,
5123
5124   EL_CUSTOM_START + 252,
5125   EL_CUSTOM_START + 253,
5126   EL_CUSTOM_START + 254,
5127   EL_CUSTOM_START + 255
5128 };
5129 static int *editor_hl_custom_ptr = editor_hl_custom;
5130 static int *editor_el_custom_ptr = editor_el_custom;
5131 static int num_editor_hl_custom = ARRAY_SIZE(editor_hl_custom);
5132 static int num_editor_el_custom = ARRAY_SIZE(editor_el_custom);
5133
5134 static int editor_hl_group[] =
5135 {
5136   EL_INTERNAL_CASCADE_GE_ACTIVE,
5137   EL_CHAR('G'),
5138   EL_CHAR('E'),
5139   EL_EMPTY,
5140 };
5141
5142 static int editor_el_group[] =
5143 {
5144   EL_GROUP_START + 0,
5145   EL_GROUP_START + 1,
5146   EL_GROUP_START + 2,
5147   EL_GROUP_START + 3,
5148
5149   EL_GROUP_START + 4,
5150   EL_GROUP_START + 5,
5151   EL_GROUP_START + 6,
5152   EL_GROUP_START + 7,
5153
5154   EL_GROUP_START + 8,
5155   EL_GROUP_START + 9,
5156   EL_GROUP_START + 10,
5157   EL_GROUP_START + 11,
5158
5159   EL_GROUP_START + 12,
5160   EL_GROUP_START + 13,
5161   EL_GROUP_START + 14,
5162   EL_GROUP_START + 15,
5163
5164   EL_GROUP_START + 16,
5165   EL_GROUP_START + 17,
5166   EL_GROUP_START + 18,
5167   EL_GROUP_START + 19,
5168
5169   EL_GROUP_START + 20,
5170   EL_GROUP_START + 21,
5171   EL_GROUP_START + 22,
5172   EL_GROUP_START + 23,
5173
5174   EL_GROUP_START + 24,
5175   EL_GROUP_START + 25,
5176   EL_GROUP_START + 26,
5177   EL_GROUP_START + 27,
5178
5179   EL_GROUP_START + 28,
5180   EL_GROUP_START + 29,
5181   EL_GROUP_START + 30,
5182   EL_GROUP_START + 31
5183 };
5184 static int *editor_hl_group_ptr = editor_hl_group;
5185 static int *editor_el_group_ptr = editor_el_group;
5186 static int num_editor_hl_group = ARRAY_SIZE(editor_hl_group);
5187 static int num_editor_el_group = ARRAY_SIZE(editor_el_group);
5188
5189 static int editor_hl_reference[] =
5190 {
5191   EL_INTERNAL_CASCADE_REF_ACTIVE,
5192   EL_CHAR('R'),
5193   EL_CHAR('E'),
5194   EL_CHAR('F')
5195 };
5196
5197 static int editor_el_reference[] =
5198 {
5199   EL_TRIGGER_PLAYER,
5200   EL_TRIGGER_ELEMENT,
5201   EL_TRIGGER_CE_VALUE,
5202   EL_TRIGGER_CE_SCORE,
5203
5204   EL_SELF,
5205   EL_ANY_ELEMENT,
5206   EL_CURRENT_CE_VALUE,
5207   EL_CURRENT_CE_SCORE,
5208
5209   EL_PREV_CE_8,
5210   EL_PREV_CE_7,
5211   EL_PREV_CE_6,
5212   EL_PREV_CE_5,
5213
5214   EL_PREV_CE_4,
5215   EL_PREV_CE_3,
5216   EL_PREV_CE_2,
5217   EL_PREV_CE_1,
5218
5219   EL_NEXT_CE_1,
5220   EL_NEXT_CE_2,
5221   EL_NEXT_CE_3,
5222   EL_NEXT_CE_4,
5223
5224   EL_NEXT_CE_5,
5225   EL_NEXT_CE_6,
5226   EL_NEXT_CE_7,
5227   EL_NEXT_CE_8,
5228 };
5229 static int *editor_hl_reference_ptr = editor_hl_reference;
5230 static int *editor_el_reference_ptr = editor_el_reference;
5231 static int num_editor_hl_reference = ARRAY_SIZE(editor_hl_reference);
5232 static int num_editor_el_reference = ARRAY_SIZE(editor_el_reference);
5233
5234 static int editor_hl_user_defined[] =
5235 {
5236   EL_INTERNAL_CASCADE_USER_ACTIVE,
5237   EL_CHAR('M'),
5238   EL_CHAR('Y'),
5239   EL_EMPTY,
5240 };
5241
5242 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
5243 static int *editor_el_user_defined_ptr = NULL;
5244 static int num_editor_hl_user_defined = ARRAY_SIZE(editor_hl_user_defined);
5245 static int num_editor_el_user_defined = 0;
5246
5247 static int editor_hl_dynamic[] =
5248 {
5249   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
5250   EL_CHAR('U'),
5251   EL_CHAR('S'),
5252   EL_CHAR('E'),
5253 };
5254
5255 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
5256 static int *editor_el_dynamic_ptr = NULL;
5257 static int num_editor_hl_dynamic = ARRAY_SIZE(editor_hl_dynamic);
5258 static int num_editor_el_dynamic = 0;
5259
5260 static int editor_hl_empty[] = { EL_EMPTY };
5261 static int *editor_el_empty = NULL;     // dynamically allocated
5262
5263 static int *editor_hl_empty_ptr = editor_hl_empty;
5264 static int *editor_el_empty_ptr = NULL;
5265 static int num_editor_hl_empty = 0;
5266 static int num_editor_el_empty = 0;     // dynamically determined, if needed
5267
5268 static boolean use_el_empty = FALSE;
5269
5270 static int *editor_elements = NULL;     // dynamically allocated
5271 static int num_editor_elements = 0;     // dynamically determined
5272
5273 static boolean setup_editor_cascade_never = FALSE;
5274
5275 static boolean setup_editor_el_players                  = TRUE;
5276 static boolean setup_editor_el_boulderdash              = TRUE;
5277 static boolean setup_editor_el_emerald_mine             = TRUE;
5278 static boolean setup_editor_el_emerald_mine_club        = TRUE;
5279 static boolean setup_editor_el_more                     = TRUE;
5280 static boolean setup_editor_el_sokoban                  = TRUE;
5281 static boolean setup_editor_el_supaplex                 = TRUE;
5282 static boolean setup_editor_el_diamond_caves            = TRUE;
5283 static boolean setup_editor_el_dx_boulderdash           = TRUE;
5284 static boolean setup_editor_el_mirror_magic             = TRUE;
5285 static boolean setup_editor_el_deflektor                = TRUE;
5286 static boolean setup_editor_el_chars                    = TRUE;
5287 static boolean setup_editor_el_steel_chars              = TRUE;
5288 static boolean setup_editor_el_custom                   = TRUE;
5289 static boolean setup_editor_el_user_defined             = TRUE;
5290 static boolean setup_editor_el_dynamic                  = TRUE;
5291
5292 static int editor_hl_unused[] = { EL_EMPTY };
5293 static int *editor_hl_unused_ptr = editor_hl_unused;
5294 static int num_editor_hl_unused = 0;
5295
5296 static struct
5297 {
5298   boolean *setup_value;
5299   boolean *setup_cascade_value;
5300
5301   int **headline_list;
5302   int *headline_list_size;
5303
5304   int **element_list;
5305   int *element_list_size;
5306
5307   boolean last_setup_value;
5308 }
5309 editor_elements_info[] =
5310 {
5311   {
5312     &setup_editor_el_players,
5313     &setup_editor_cascade_never,
5314     &editor_hl_unused_ptr,              &num_editor_hl_unused,
5315     &editor_el_players_ptr,             &num_editor_el_players
5316   },
5317   {
5318     &setup_editor_el_boulderdash,
5319     &setup.editor_cascade.el_bd,
5320     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
5321     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
5322   },
5323   {
5324     &setup_editor_el_emerald_mine,
5325     &setup.editor_cascade.el_em,
5326     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
5327     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
5328   },
5329   {
5330     &setup_editor_el_emerald_mine_club,
5331     &setup.editor_cascade.el_emc,
5332     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
5333     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
5334   },
5335   {
5336     &setup_editor_el_more,
5337     &setup.editor_cascade.el_rnd,
5338     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
5339     &editor_el_rnd_ptr,                 &num_editor_el_rnd
5340   },
5341   {
5342     &setup_editor_el_sokoban,
5343     &setup.editor_cascade.el_sb,
5344     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
5345     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
5346   },
5347   {
5348     &setup_editor_el_supaplex,
5349     &setup.editor_cascade.el_sp,
5350     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
5351     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
5352   },
5353   {
5354     &setup_editor_el_diamond_caves,
5355     &setup.editor_cascade.el_dc,
5356     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
5357     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
5358   },
5359   {
5360     &setup_editor_el_dx_boulderdash,
5361     &setup.editor_cascade.el_dx,
5362     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
5363     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
5364   },
5365   {
5366     &setup_editor_el_mirror_magic,
5367     &setup.editor_cascade.el_mm,
5368     &editor_hl_mirror_magic_ptr,        &num_editor_hl_mirror_magic,
5369     &editor_el_mirror_magic_ptr,        &num_editor_el_mirror_magic
5370   },
5371   {
5372     &setup_editor_el_deflektor,
5373     &setup.editor_cascade.el_df,
5374     &editor_hl_deflektor_ptr,           &num_editor_hl_deflektor,
5375     &editor_el_deflektor_ptr,           &num_editor_el_deflektor
5376   },
5377   {
5378     &setup_editor_el_chars,
5379     &setup.editor_cascade.el_chars,
5380     &editor_hl_chars_ptr,               &num_editor_hl_chars,
5381     &editor_el_chars_ptr,               &num_editor_el_chars
5382   },
5383   {
5384     &setup_editor_el_steel_chars,
5385     &setup.editor_cascade.el_steel_chars,
5386     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
5387     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
5388   },
5389   {
5390     &setup_editor_el_custom,
5391     &setup.editor_cascade.el_ce,
5392     &editor_hl_custom_ptr,              &num_editor_hl_custom,
5393     &editor_el_custom_ptr,              &num_editor_el_custom
5394   },
5395   {
5396     &setup_editor_el_custom,
5397     &setup.editor_cascade.el_ge,
5398     &editor_hl_group_ptr,               &num_editor_hl_group,
5399     &editor_el_group_ptr,               &num_editor_el_group
5400   },
5401   {
5402     &setup_editor_el_custom,
5403     &setup.editor_cascade.el_ref,
5404     &editor_hl_reference_ptr,           &num_editor_hl_reference,
5405     &editor_el_reference_ptr,           &num_editor_el_reference
5406   },
5407   {
5408     &setup_editor_el_user_defined,
5409     &setup.editor_cascade.el_user,
5410     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
5411     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
5412   },
5413   {
5414     &setup_editor_el_dynamic,
5415     &setup.editor_cascade.el_dynamic,
5416     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
5417     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
5418   },
5419   {
5420     &use_el_empty,
5421     &use_el_empty,
5422     &editor_hl_empty_ptr,               &num_editor_hl_empty,
5423     &editor_el_empty_ptr,               &num_editor_el_empty,
5424   },
5425   {
5426     NULL,
5427     NULL,
5428     NULL,                               NULL,
5429     NULL,                               NULL
5430   }
5431 };
5432
5433
5434 // ----------------------------------------------------------------------------
5435 // functions
5436 // ----------------------------------------------------------------------------
5437
5438 static int getMaxInfoTextLength(void)
5439 {
5440   return (SXSIZE / getFontWidth(INFOTEXT_FONT));
5441 }
5442
5443 static int getTextWidthForGadget(char *text)
5444 {
5445   if (text == NULL)
5446     return 0;
5447
5448   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
5449 }
5450
5451 static int getTextWidthForDrawingArea(char *text)
5452 {
5453   if (text == NULL)
5454     return 0;
5455
5456   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_TEXT_DISTANCE);
5457 }
5458
5459 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
5460 {
5461   return (gi->x + gi->width + getTextWidthForGadget(text));
5462 }
5463
5464 static char *getElementInfoText(int element)
5465 {
5466   char *info_text = NULL;
5467
5468   if (element < MAX_NUM_ELEMENTS)
5469   {
5470     if (strlen(element_info[element].description) > 0)
5471       info_text = element_info[element].description;
5472     else if (element_info[element].custom_description != NULL)
5473       info_text = element_info[element].custom_description;
5474     else if (element_info[element].editor_description != NULL)
5475       info_text = element_info[element].editor_description;
5476   }
5477
5478   if (info_text == NULL)
5479     info_text = INFOTEXT_UNKNOWN_ELEMENT;
5480
5481   return info_text;
5482 }
5483
5484 static char *getElementDescriptionFilenameExt(char *basename)
5485 {
5486   char *elements_subdir = "elements";
5487   static char *elements_subdir2 = NULL;
5488   static char *filename = NULL;
5489
5490   if (elements_subdir2 == NULL)
5491     elements_subdir2 = getPath2(DOCS_DIRECTORY, elements_subdir);
5492
5493   checked_free(filename);
5494
5495   // 1st try: look for element description in current level set directory
5496   filename = getPath3(getCurrentLevelDir(), elements_subdir2, basename);
5497   if (fileExists(filename))
5498     return filename;
5499
5500   free(filename);
5501
5502   // 2nd try: look for element description in the game's base directory
5503   filename = getPath3(options.docs_directory, elements_subdir, basename);
5504   if (fileExists(filename))
5505     return filename;
5506
5507   return NULL;
5508 }
5509
5510 static char *getElementDescriptionFilename(int element)
5511 {
5512   char basename[MAX_FILENAME_LEN];
5513   char *filename;
5514
5515   // 1st try: look for element description file for exactly this element
5516   sprintf(basename, "%s.txt", element_info[element].token_name);
5517   filename = getElementDescriptionFilenameExt(basename);
5518   if (filename != NULL)
5519     return filename;
5520
5521   // 2nd try: look for element description file for this element's class
5522   sprintf(basename, "%s.txt", element_info[element].class_name);
5523   filename = getElementDescriptionFilenameExt(basename);
5524   if (filename != NULL)
5525     return filename;
5526
5527   return NULL;
5528 }
5529
5530 static boolean suppressBorderElement(void)
5531 {
5532   return (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
5533           lev_fieldx <= MAX_ED_FIELDX &&
5534           lev_fieldy <= MAX_ED_FIELDY);
5535 }
5536
5537 static void InitDynamicEditorElementList(int **elements, int *num_elements)
5538 {
5539   boolean element_found[NUM_FILE_ELEMENTS];
5540   int i, x, y;
5541
5542   // initialize list of used elements to "not used"
5543   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5544     element_found[i] = FALSE;
5545
5546   // find all elements used in current level
5547   for (y = 0; y < lev_fieldy; y++)
5548     for (x = 0; x < lev_fieldx; x++)
5549       if (Feld[x][y] < NUM_FILE_ELEMENTS)       // should always be true
5550         element_found[Feld[x][y]] = TRUE;
5551
5552   *num_elements = 0;
5553
5554   // count number of elements used in current level
5555   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5556     if (element_found[i])
5557       (*num_elements)++;
5558
5559   // add space for up to 3 more elements for padding that may be needed
5560   *num_elements += 3;
5561
5562   // free memory for old list of elements, if needed
5563   checked_free(*elements);
5564
5565   // allocate memory for new list of elements
5566   *elements = checked_malloc(*num_elements * sizeof(int));
5567
5568   *num_elements = 0;
5569
5570   // add all elements used in current level (non-custom/group elements)
5571   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5572     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
5573       (*elements)[(*num_elements)++] = i;
5574
5575   // add all elements used in current level (custom/group elements)
5576   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5577     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
5578       (*elements)[(*num_elements)++] = i;
5579
5580   while (*num_elements % 4)     // pad with empty elements, if needed
5581     (*elements)[(*num_elements)++] = EL_EMPTY;
5582 }
5583
5584 static void ReinitializeElementList_EnableSections(void)
5585 {
5586   // default: enable all element sections
5587
5588   setup_editor_el_players               = TRUE;
5589   setup_editor_el_boulderdash           = TRUE;
5590   setup_editor_el_emerald_mine          = TRUE;
5591   setup_editor_el_emerald_mine_club     = TRUE;
5592   setup_editor_el_more                  = TRUE;
5593   setup_editor_el_sokoban               = TRUE;
5594   setup_editor_el_supaplex              = TRUE;
5595   setup_editor_el_diamond_caves         = TRUE;
5596   setup_editor_el_dx_boulderdash        = TRUE;
5597   setup_editor_el_mirror_magic          = TRUE;
5598   setup_editor_el_deflektor             = TRUE;
5599   setup_editor_el_chars                 = TRUE;
5600   setup_editor_el_steel_chars           = TRUE;
5601
5602   setup_editor_el_custom                = TRUE;
5603   setup_editor_el_user_defined          = TRUE;
5604   setup_editor_el_dynamic               = TRUE;
5605
5606   // now disable all element sections not to be displayed
5607
5608   if (!setup.editor.el_classic)
5609   {
5610     setup_editor_el_players             = FALSE;
5611     setup_editor_el_boulderdash         = FALSE;
5612     setup_editor_el_emerald_mine        = FALSE;
5613     setup_editor_el_emerald_mine_club   = FALSE;
5614     setup_editor_el_more                = FALSE;
5615     setup_editor_el_sokoban             = FALSE;
5616     setup_editor_el_supaplex            = FALSE;
5617     setup_editor_el_diamond_caves       = FALSE;
5618     setup_editor_el_dx_boulderdash      = FALSE;
5619     setup_editor_el_mirror_magic        = FALSE;
5620     setup_editor_el_deflektor           = FALSE;
5621     setup_editor_el_chars               = FALSE;
5622     setup_editor_el_steel_chars         = FALSE;
5623   }
5624
5625   if (!setup.editor.el_custom)
5626   {
5627     setup_editor_el_custom              = FALSE;
5628   }
5629
5630   if (!setup.editor.el_user_defined)
5631   {
5632     setup_editor_el_user_defined        = FALSE;
5633   }
5634
5635   if (!setup.editor.el_dynamic)
5636   {
5637     setup_editor_el_dynamic             = FALSE;
5638   }
5639
5640   if (level.game_engine_type == GAME_ENGINE_TYPE_RND)
5641   {
5642     setup_editor_el_mirror_magic        = FALSE;
5643     setup_editor_el_deflektor           = FALSE;
5644   }
5645   else if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
5646   {
5647     setup_editor_el_boulderdash         = FALSE;
5648     setup_editor_el_more                = FALSE;
5649     setup_editor_el_sokoban             = FALSE;
5650     setup_editor_el_supaplex            = FALSE;
5651     setup_editor_el_diamond_caves       = FALSE;
5652     setup_editor_el_dx_boulderdash      = FALSE;
5653     setup_editor_el_mirror_magic        = FALSE;
5654     setup_editor_el_deflektor           = FALSE;
5655     setup_editor_el_steel_chars         = FALSE;
5656
5657     setup_editor_el_custom              = FALSE;
5658   }
5659   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
5660   {
5661     setup_editor_el_players             = FALSE;
5662     setup_editor_el_boulderdash         = FALSE;
5663     setup_editor_el_emerald_mine        = FALSE;
5664     setup_editor_el_emerald_mine_club   = FALSE;
5665     setup_editor_el_more                = FALSE;
5666     setup_editor_el_sokoban             = FALSE;
5667     setup_editor_el_diamond_caves       = FALSE;
5668     setup_editor_el_dx_boulderdash      = FALSE;
5669     setup_editor_el_mirror_magic        = FALSE;
5670     setup_editor_el_deflektor           = FALSE;
5671     setup_editor_el_chars               = FALSE;
5672     setup_editor_el_steel_chars         = FALSE;
5673
5674     setup_editor_el_custom              = FALSE;
5675   }
5676   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
5677   {
5678     setup_editor_el_players             = FALSE;
5679     setup_editor_el_boulderdash         = FALSE;
5680     setup_editor_el_emerald_mine        = FALSE;
5681     setup_editor_el_emerald_mine_club   = FALSE;
5682     setup_editor_el_more                = FALSE;
5683     setup_editor_el_sokoban             = FALSE;
5684     setup_editor_el_supaplex            = FALSE;
5685     setup_editor_el_diamond_caves       = FALSE;
5686     setup_editor_el_dx_boulderdash      = FALSE;
5687     setup_editor_el_steel_chars         = FALSE;
5688
5689     setup_editor_el_custom              = FALSE;
5690   }
5691 }
5692
5693 static void ReinitializeElementList(void)
5694 {
5695   static boolean initialization_needed = TRUE;
5696   int pos = 0;
5697   int i, j;
5698
5699   ReinitializeElementList_EnableSections();
5700
5701   if (initialization_needed)
5702   {
5703     LoadSetup_EditorCascade();          // load last editor cascade state
5704
5705     // initialize editor cascade element from saved cascade state
5706     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5707     {
5708       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
5709       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
5710
5711       if (IS_EDITOR_CASCADE(*cascade_element))
5712         *cascade_element =
5713           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
5714            EL_CASCADE_INACTIVE(*cascade_element));
5715     }
5716
5717     initialization_needed = FALSE;
5718   }
5719
5720   checked_free(editor_elements);
5721
5722   // reload optional user defined element list for each invocation of editor
5723   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
5724                                    &num_editor_el_user_defined);
5725
5726   // initialize dynamic level element list for each invocation of editor
5727   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
5728                                &num_editor_el_dynamic);
5729
5730   // initialize list of empty elements (used for padding, if needed)
5731   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
5732     editor_el_empty[i] = EL_EMPTY;
5733
5734   // do some sanity checks for each element from element list
5735   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5736   {
5737     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5738     {
5739       int element = (*editor_elements_info[i].element_list)[j];
5740
5741       if (element >= NUM_FILE_ELEMENTS)
5742         Error(ERR_WARN, "editor element %d is runtime element", element);
5743
5744       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
5745         Error(ERR_WARN, "no element description text for element %d", element);
5746     }
5747   }
5748
5749   num_editor_elements = 0;
5750   use_el_empty = FALSE;
5751
5752   // determine size of element list
5753   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5754   {
5755     boolean found_inactive_cascade = FALSE;
5756
5757     if (*editor_elements_info[i].setup_value)
5758     {
5759       if (setup.editor.el_headlines)
5760       {
5761         // required for correct padding of palette headline buttons
5762         if (*editor_elements_info[i].headline_list_size > 0)
5763           num_editor_elements += ED_ELEMENTLIST_COLS;
5764
5765         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5766         {
5767           int element = (*editor_elements_info[i].headline_list)[j];
5768
5769           if (IS_EDITOR_CASCADE_INACTIVE(element))
5770             found_inactive_cascade = TRUE;
5771         }
5772       }
5773
5774       if (found_inactive_cascade)
5775         continue;
5776
5777       // required for correct padding of palette element buttons
5778       int element_list_size = *editor_elements_info[i].element_list_size;
5779       int element_rows =
5780         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
5781       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
5782
5783       num_editor_elements += element_buttons;
5784     }
5785   }
5786
5787   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
5788   {
5789     // offer at least as many elements as element buttons exist
5790     use_el_empty = TRUE;
5791     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
5792
5793     num_editor_elements += num_editor_el_empty;
5794   }
5795   else
5796   {
5797     num_editor_el_empty = 0;
5798   }
5799
5800   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
5801
5802   // fill element list
5803   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5804   {
5805     boolean found_inactive_cascade = FALSE;
5806
5807     if (*editor_elements_info[i].setup_value)
5808     {
5809       if (setup.editor.el_headlines)
5810       {
5811         // required for correct padding of palette headline buttons
5812         int headline_size = (*editor_elements_info[i].headline_list_size > 0 ?
5813                              ED_ELEMENTLIST_COLS : 0);
5814
5815         for (j = 0; j < headline_size; j++)
5816         {
5817           // use empty elements for padding of palette headline buttons
5818           int element = (j < *editor_elements_info[i].headline_list_size ?
5819                          (*editor_elements_info[i].headline_list)[j] :
5820                          editor_el_empty[0]);
5821
5822           editor_elements[pos++] = element;
5823
5824           if (IS_EDITOR_CASCADE_INACTIVE(element))
5825             found_inactive_cascade = TRUE;
5826         }
5827       }
5828
5829       if (found_inactive_cascade)
5830         continue;
5831
5832       // required for correct padding of palette element buttons
5833       int element_list_size = *editor_elements_info[i].element_list_size;
5834       int element_rows =
5835         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
5836       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
5837
5838       // copy all elements from element list
5839       for (j = 0; j < element_list_size; j++)
5840         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
5841
5842       // use empty elements for padding of palette element buttons
5843       for (j = 0; j < element_buttons - element_list_size; j++)
5844         editor_elements[pos++] = editor_el_empty[0];
5845     }
5846   }
5847
5848   // (this function is also called before editor gadgets are initialized!)
5849   AdjustElementListScrollbar();
5850 }
5851
5852 void PrintEditorElementList(void)
5853 {
5854   boolean *stop = &setup_editor_el_user_defined;
5855   int i, j;
5856
5857   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
5858   {
5859     int cascade_element = (*editor_elements_info[i].headline_list)[0];
5860
5861     if (IS_EDITOR_CASCADE(cascade_element))
5862     {
5863       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
5864       char *headline = element_info[cascade_element_show].editor_description;
5865
5866       PrintLineWithPrefix("# ", "-", 77);
5867       Print("# %s\n", headline);
5868       PrintLineWithPrefix("# ", "-", 77);
5869     }
5870
5871     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5872     {
5873       int element = (*editor_elements_info[i].headline_list)[j];
5874
5875       if (IS_EDITOR_CASCADE(element))
5876         element = EL_CHAR_MINUS;
5877
5878       Print("# %s\n", element_info[element].token_name);
5879     }
5880
5881     if (j > 0)
5882       Print("#\n");
5883
5884     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5885     {
5886       int element = (*editor_elements_info[i].element_list)[j];
5887
5888       Print("# %s\n", element_info[element].token_name);
5889     }
5890
5891     if (j > 0)
5892       Print("#\n");
5893   }
5894 }
5895
5896 static void ReinitializeElementListButtons(void)
5897 {
5898   static boolean last_setup_value_headlines = FALSE;
5899   static boolean initialization_needed = TRUE;
5900   int i;
5901
5902   if (!initialization_needed)   // check if editor element setup has changed
5903   {
5904     if (last_setup_value_headlines != setup.editor.el_headlines)
5905       initialization_needed = TRUE;
5906
5907     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5908       if (editor_elements_info[i].last_setup_value !=
5909           *editor_elements_info[i].setup_value)
5910         initialization_needed = TRUE;
5911   }
5912
5913   if (!initialization_needed)
5914     return;
5915
5916   FreeLevelEditorGadgets();
5917   CreateLevelEditorGadgets();
5918
5919   // store current setup values for next invocation of this function
5920   last_setup_value_headlines = setup.editor.el_headlines;
5921   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5922     editor_elements_info[i].last_setup_value =
5923       *editor_elements_info[i].setup_value;
5924
5925   initialization_needed = FALSE;
5926 }
5927
5928 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
5929                               boolean input)
5930 {
5931   int border_graphic =
5932     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
5933   struct GraphicInfo *g = &graphic_info[border_graphic];
5934   Bitmap *src_bitmap = g->bitmap;
5935   int src_x = g->src_x;
5936   int src_y = g->src_y;
5937   int border_size = g->border_size;
5938   int border_xpos = g->width  - border_size;
5939   int border_ypos = g->height - border_size;
5940   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
5941   int i;
5942
5943   BlitBitmap(src_bitmap, drawto, src_x, src_y,
5944              border_size, border_size,
5945              dest_x - border_size, dest_y - border_size);
5946   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y,
5947              border_size, border_size,
5948              dest_x + width, dest_y - border_size);
5949   BlitBitmap(src_bitmap, drawto, src_x, src_y + border_ypos,
5950              border_size, border_size,
5951              dest_x - border_size, dest_y + height);
5952   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_ypos,
5953              border_size, border_size,
5954              dest_x + width, dest_y + height);
5955
5956   for (i = 0; i < width / tilesize; i++)
5957   {
5958     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y,
5959                tilesize, border_size,
5960                dest_x + i * tilesize, dest_y - border_size);
5961     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y + border_ypos,
5962                tilesize, border_size,
5963                dest_x + i * tilesize, dest_y + height);
5964   }
5965
5966   for (i = 0; i < height / tilesize; i++)
5967   {
5968     BlitBitmap(src_bitmap, drawto, src_x, src_y + border_size,
5969                border_size, tilesize,
5970                dest_x - border_size, dest_y + i * tilesize);
5971     BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_size,
5972                border_size, tilesize,
5973                dest_x + width, dest_y + i * tilesize);
5974   }
5975
5976   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
5977 }
5978
5979 static void DrawEditorLevelBorderLine(int x, int y, int xsize, int ysize)
5980 {
5981   int xsize_tile = MAX(ed_tilesize, xsize);
5982   int ysize_tile = MAX(ed_tilesize, ysize);
5983   int xsize_full = xsize + 1;
5984   int ysize_full = ysize + 1;
5985   int xsize_thin = (xsize < ed_tilesize ? 1 : xsize);
5986   int ysize_thin = (ysize < ed_tilesize ? 1 : ysize);
5987   Pixel line_color = getTabulatorBarColor();
5988
5989   if (line_color == BLACK_PIXEL)                // black => transparent
5990     return;
5991
5992   FillRectangle(drawto, SX + x, SY + y, xsize_tile, ysize_tile, BLACK_PIXEL);
5993   FillRectangle(drawto, SX + x, SY + y, xsize_full, ysize_full, line_color);
5994   FillRectangle(drawto, SX + x, SY + y, xsize_thin, ysize_thin, BLACK_PIXEL);
5995 }
5996
5997 static void DrawEditorLevelBorderLinesIfNeeded(void)
5998 {
5999   int xsize = lev_fieldx * ed_tilesize;
6000   int ysize = lev_fieldy * ed_tilesize;
6001   int line_size = getTabulatorBarHeight();
6002
6003   if (!suppressBorderElement())
6004     return;
6005
6006   // draw little border line around editable level playfield
6007
6008   if (xsize < SXSIZE)
6009     DrawEditorLevelBorderLine(xsize, 0, line_size, ysize);
6010
6011   if (ysize < SYSIZE)
6012     DrawEditorLevelBorderLine(0, ysize, xsize, line_size);
6013
6014   if (xsize < SXSIZE && ysize < SYSIZE)
6015     DrawEditorLevelBorderLine(xsize, ysize, line_size, line_size);
6016 }
6017
6018 static void DrawEditorElement(int x, int y, int element)
6019 {
6020   DrawSizedElement(x, y, element, ed_tilesize);
6021 }
6022
6023 static void DrawEditorElementThruMask(int x, int y, int element)
6024 {
6025   DrawSizedElementThruMask(x, y, element, ed_tilesize);
6026 }
6027
6028 static void DrawEditorElementOrWall(int x, int y, int scroll_x, int scroll_y)
6029 {
6030   DrawSizedElementOrWall(x, y, scroll_x, scroll_y, ed_tilesize);
6031 }
6032
6033 static void DrawEditorLevel(int size_x, int size_y, int scroll_x, int scroll_y)
6034 {
6035   DrawSizedLevel(size_x, size_y, scroll_x, scroll_y, ed_tilesize);
6036   DrawEditorLevelBorderLinesIfNeeded();
6037 }
6038
6039 static void DrawDrawingArea(int id)
6040 {
6041   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
6042   int x, y;
6043
6044   int *value = drawingarea_info[id].value;
6045   int area_xsize = drawingarea_info[id].area_xsize;
6046   int area_ysize = drawingarea_info[id].area_ysize;
6047   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
6048
6049   for (x = 0; x < area_xsize; x++)
6050     for (y = 0; y < area_ysize; y++)
6051       DrawSizedGraphicExt(drawto,
6052                           gi->x + x * tilesize,
6053                           gi->y + y * tilesize,
6054                           el2edimg(value[x * area_ysize + y]), 0, tilesize);
6055 }
6056
6057 static void ScrollEditorLevel(int from_x, int from_y, int scroll)
6058 {
6059   int x, y;
6060   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
6061   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
6062
6063   BlitBitmap(drawto, drawto,
6064              SX + (dx == -1 ? ed_tilesize : 0),
6065              SY + (dy == -1 ? ed_tilesize : 0),
6066              (ed_fieldx * ed_tilesize) - (dx != 0 ? ed_tilesize : 0),
6067              (ed_fieldy * ed_tilesize) - (dy != 0 ? ed_tilesize : 0),
6068              SX + (dx == +1 ? ed_tilesize : 0),
6069              SY + (dy == +1 ? ed_tilesize : 0));
6070
6071   if (dx)
6072   {
6073     x = (dx == 1 ? 0 : ed_fieldx - 1);
6074     for (y = 0; y < ed_fieldy; y++)
6075       DrawEditorElementOrWall(x, y, from_x, from_y);
6076   }
6077   else if (dy)
6078   {
6079     y = (dy == 1 ? 0 : ed_fieldy - 1);
6080     for (x = 0; x < ed_fieldx; x++)
6081       DrawEditorElementOrWall(x, y, from_x, from_y);
6082   }
6083
6084   redraw_mask |= REDRAW_FIELD;
6085   BackToFront();
6086 }
6087
6088 static void getEditorGraphicSource(int element, int tile_size, Bitmap **bitmap,
6089                                    int *x, int *y)
6090 {
6091   getSizedGraphicSource(el2edimg(element), 0, tile_size, bitmap, x, y);
6092 }
6093
6094 static void CreateControlButtons(void)
6095 {
6096   struct GadgetInfo *gi;
6097   int i;
6098
6099   // create toolbox buttons
6100   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
6101   {
6102     int id = controlbutton_info[i].gadget_id;
6103     int type = controlbutton_info[i].gadget_type;
6104     int graphic = controlbutton_info[i].graphic;
6105     struct XYTileSize *pos = controlbutton_info[i].pos;
6106     struct GraphicInfo *gd = &graphic_info[graphic];
6107     Bitmap *deco_bitmap = NULL;
6108     int deco_x = 0, deco_y = 0, deco_xpos = 0, deco_ypos = 0;
6109     int tile_size = 0, deco_shift = 0;
6110     boolean deco_masked = FALSE;
6111     int gd_x1 = gd->src_x;
6112     int gd_y1 = gd->src_y;
6113     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6114     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6115     int gd_x1a = gd->src_x + gd->active_xoffset;
6116     int gd_y1a = gd->src_y + gd->active_yoffset;
6117     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
6118     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
6119     int x = pos->x;
6120     int y = pos->y;
6121     unsigned int event_mask;
6122     int radio_button_nr = RADIO_NR_NONE;
6123     boolean checked = FALSE;
6124
6125     if (type == GD_TYPE_RADIO_BUTTON)
6126     {
6127       event_mask = GD_EVENT_PRESSED;
6128       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
6129
6130       if (id == drawing_function)
6131         checked = TRUE;
6132     }
6133     else
6134     {
6135       if (id == GADGET_ID_WRAP_LEFT ||
6136           id == GADGET_ID_WRAP_RIGHT ||
6137           id == GADGET_ID_WRAP_UP ||
6138           id == GADGET_ID_WRAP_DOWN)
6139         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6140       else
6141         event_mask = GD_EVENT_RELEASED;
6142     }
6143
6144     if (id == GADGET_ID_PROPERTIES ||
6145         id == GADGET_ID_PALETTE)
6146     {
6147       x += DX;
6148       y += DY;
6149     }
6150     else if (id == GADGET_ID_ELEMENT_LEFT ||
6151              id == GADGET_ID_ELEMENT_MIDDLE ||
6152              id == GADGET_ID_ELEMENT_RIGHT)
6153     {
6154       x += DX;
6155       y += DY;
6156
6157       int element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
6158                      id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
6159                      id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 : EL_EMPTY);
6160
6161       tile_size = BUTTON_TILE_SIZE(id == GADGET_ID_ELEMENT_LEFT ?
6162                                    editor.button.element_left.tile_size :
6163                                    id == GADGET_ID_ELEMENT_MIDDLE ?
6164                                    editor.button.element_middle.tile_size :
6165                                    id == GADGET_ID_ELEMENT_RIGHT ?
6166                                    editor.button.element_right.tile_size : 0);
6167
6168       // make sure that decoration does not overlap gadget border
6169       tile_size = MIN(tile_size, MIN(gd->width, gd->height));
6170
6171       getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x,&deco_y);
6172
6173       deco_xpos = (gd->width  - tile_size) / 2;
6174       deco_ypos = (gd->height - tile_size) / 2;
6175       deco_shift = 1;
6176       deco_masked = gd->draw_masked;
6177     }
6178     else
6179     {
6180       x += EX;
6181       y += EY;
6182     }
6183
6184     gi = CreateGadget(GDI_CUSTOM_ID, id,
6185                       GDI_CUSTOM_TYPE_ID, i,
6186                       GDI_IMAGE_ID, graphic,
6187                       GDI_INFO_TEXT, controlbutton_info[i].infotext,
6188                       GDI_X, x,
6189                       GDI_Y, y,
6190                       GDI_WIDTH, gd->width,
6191                       GDI_HEIGHT, gd->height,
6192                       GDI_TYPE, type,
6193                       GDI_STATE, GD_BUTTON_UNPRESSED,
6194                       GDI_RADIO_NR, radio_button_nr,
6195                       GDI_CHECKED, checked,
6196                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6197                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6198                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6199                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
6200                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
6201                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
6202                       GDI_DECORATION_SIZE, tile_size, tile_size,
6203                       GDI_DECORATION_SHIFTING, deco_shift, deco_shift,
6204                       GDI_DECORATION_MASKED, deco_masked,
6205                       GDI_EVENT_MASK, event_mask,
6206                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6207                       GDI_CALLBACK_ACTION, HandleControlButtons,
6208                       GDI_END);
6209
6210     if (gi == NULL)
6211       Error(ERR_EXIT, "cannot create gadget");
6212
6213     level_editor_gadget[id] = gi;
6214   }
6215
6216   // these values are not constant, but can change at runtime
6217   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
6218   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
6219   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
6220   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
6221   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
6222   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
6223   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
6224   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
6225   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].x    = ED_SCROLL2_UP_XPOS;
6226   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].y    = ED_SCROLL2_UP_YPOS;
6227   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].x  = ED_SCROLL2_DOWN_XPOS;
6228   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].y  = ED_SCROLL2_DOWN_YPOS;
6229
6230   // create buttons for scrolling of drawing area and element list
6231   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
6232   {
6233     int id = scrollbutton_info[i].gadget_id;
6234     int graphic = scrollbutton_info[i].graphic;
6235     struct GraphicInfo *gd = &graphic_info[graphic];
6236     Bitmap *gd_bitmap = gd->bitmap;
6237     int gd_x1 = gd->src_x;
6238     int gd_y1 = gd->src_y;
6239     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6240     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6241     int width  = gd->width;
6242     int height = gd->height;
6243     int x = scrollbutton_pos[i].x;
6244     int y = scrollbutton_pos[i].y;
6245     unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6246
6247     if (id == GADGET_ID_SCROLL_LIST_UP ||
6248         id == GADGET_ID_SCROLL_LIST_DOWN)
6249     {
6250       x += PX;
6251       y += PY;
6252     }
6253     else
6254     {
6255       x += SX;
6256       y += SY;
6257     }
6258
6259     gi = CreateGadget(GDI_CUSTOM_ID, id,
6260                       GDI_CUSTOM_TYPE_ID, i,
6261                       GDI_IMAGE_ID, graphic,
6262                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
6263                       GDI_X, x,
6264                       GDI_Y, y,
6265                       GDI_WIDTH, width,
6266                       GDI_HEIGHT, height,
6267                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6268                       GDI_STATE, GD_BUTTON_UNPRESSED,
6269                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6270                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6271                       GDI_EVENT_MASK, event_mask,
6272                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6273                       GDI_CALLBACK_ACTION, HandleControlButtons,
6274                       GDI_END);
6275
6276     if (gi == NULL)
6277       Error(ERR_EXIT, "cannot create gadget");
6278
6279     level_editor_gadget[id] = gi;
6280   }
6281
6282   // create buttons for element list
6283   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
6284   {
6285     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
6286     int graphic = IMG_EDITOR_PALETTE_BUTTON;
6287     struct GraphicInfo *gd = &graphic_info[graphic];
6288     Bitmap *gd_bitmap = gd->bitmap;
6289     Bitmap *deco_bitmap;
6290     int deco_x, deco_y, deco_xpos, deco_ypos;
6291     int gd_x1 = gd->src_x;
6292     int gd_y1 = gd->src_y;
6293     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6294     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6295     int xx = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
6296     int yy = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
6297     int x = PX + ED_ELEMENTLIST_XPOS + xx * gd->width;
6298     int y = PY + ED_ELEMENTLIST_YPOS + yy * gd->height;
6299     int element = editor_elements[i];
6300     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
6301     unsigned int event_mask = GD_EVENT_RELEASED;
6302
6303     getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
6304
6305     deco_xpos = (gd->width  - tile_size) / 2;
6306     deco_ypos = (gd->height - tile_size) / 2;
6307
6308     gi = CreateGadget(GDI_CUSTOM_ID, id,
6309                       GDI_CUSTOM_TYPE_ID, i,
6310                       GDI_IMAGE_ID, graphic,
6311                       GDI_INFO_TEXT, getElementInfoText(element),
6312                       GDI_X, x,
6313                       GDI_Y, y,
6314                       GDI_WIDTH, gd->width,
6315                       GDI_HEIGHT, gd->height,
6316                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6317                       GDI_STATE, GD_BUTTON_UNPRESSED,
6318                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6319                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6320                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
6321                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
6322                       GDI_DECORATION_SIZE, tile_size, tile_size,
6323                       GDI_DECORATION_SHIFTING, 1, 1,
6324                       GDI_EVENT_MASK, event_mask,
6325                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6326                       GDI_CALLBACK_ACTION, HandleControlButtons,
6327                       GDI_END);
6328
6329     if (gi == NULL)
6330       Error(ERR_EXIT, "cannot create gadget");
6331
6332     level_editor_gadget[id] = gi;
6333   }
6334 }
6335
6336 static void CreateCounterButtons(void)
6337 {
6338   int max_infotext_len = getMaxInfoTextLength();
6339   int i;
6340
6341   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
6342   {
6343     int j;
6344     int x = SX + ED_SETTINGS_X(counterbutton_info[i].x); // down count button
6345     int y = SY + ED_SETTINGS_Y(counterbutton_info[i].y);
6346
6347     // determine horizontal position to the right of specified gadget
6348     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6349       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
6350            ED_GADGET_TEXT_DISTANCE);
6351
6352     // determine horizontal offset for leading text
6353     if (counterbutton_info[i].text_left != NULL)
6354       x += getTextWidthForGadget(counterbutton_info[i].text_left);
6355
6356     for (j = 0; j < 2; j++)
6357     {
6358       struct GadgetInfo *gi;
6359       int id = (j == 0 ?
6360                 counterbutton_info[i].gadget_id_down :
6361                 counterbutton_info[i].gadget_id_up);
6362       int graphic;
6363       struct GraphicInfo *gd;
6364       int gd_x1, gd_x2, gd_y1, gd_y2;
6365       unsigned int event_mask;
6366       char infotext[max_infotext_len + 1];
6367
6368       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6369
6370       if (i == ED_COUNTER_ID_SELECT_LEVEL)
6371       {
6372         graphic = (j == 0 ?
6373                    IMG_GFX_EDITOR_BUTTON_PREV_LEVEL :
6374                    IMG_GFX_EDITOR_BUTTON_NEXT_LEVEL);
6375
6376         event_mask |= GD_EVENT_RELEASED;
6377
6378         if (j == 0)
6379         {
6380           x = DX + editor.button.prev_level.x;
6381           y = DY + editor.button.prev_level.y;
6382         }
6383         else
6384         {
6385           x = DX + editor.button.next_level.x;
6386           y = DY + editor.button.next_level.y;
6387         }
6388       }
6389       else
6390       {
6391         graphic = (j == 0 ?
6392                    IMG_EDITOR_COUNTER_DOWN :
6393                    IMG_EDITOR_COUNTER_UP);
6394       }
6395
6396       gd = &graphic_info[graphic];
6397
6398       gd_x1 = gd->src_x;
6399       gd_y1 = gd->src_y;
6400       gd_x2 = gd->src_x + gd->pressed_xoffset;
6401       gd_y2 = gd->src_y + gd->pressed_yoffset;
6402
6403       sprintf(infotext, "%s counter value by 1, 5 or 10",
6404               (j == 0 ? "decrease" : "increase"));
6405
6406       gi = CreateGadget(GDI_CUSTOM_ID, id,
6407                         GDI_CUSTOM_TYPE_ID, i,
6408                         GDI_IMAGE_ID, graphic,
6409                         GDI_INFO_TEXT, infotext,
6410                         GDI_X, x,
6411                         GDI_Y, y,
6412                         GDI_WIDTH, gd->width,
6413                         GDI_HEIGHT, gd->height,
6414                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6415                         GDI_STATE, GD_BUTTON_UNPRESSED,
6416                         GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6417                         GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6418                         GDI_EVENT_MASK, event_mask,
6419                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6420                         GDI_CALLBACK_ACTION, HandleCounterButtons,
6421                         GDI_END);
6422
6423       if (gi == NULL)
6424         Error(ERR_EXIT, "cannot create gadget");
6425
6426       level_editor_gadget[id] = gi;
6427       right_gadget_border[id] =
6428         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
6429
6430       x += gi->width + ED_GADGET_SMALL_DISTANCE;        // text count button
6431
6432       if (j == 0)
6433       {
6434         int font_type = FONT_INPUT_1;
6435         int font_type_active = FONT_INPUT_1_ACTIVE;
6436
6437         id = counterbutton_info[i].gadget_id_text;
6438
6439         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6440
6441         if (i == ED_COUNTER_ID_SELECT_LEVEL)
6442         {
6443           graphic = IMG_GFX_EDITOR_INPUT_LEVEL_NUMBER;
6444
6445           font_type = FONT_LEVEL_NUMBER;
6446           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
6447
6448           x = DX + editor.input.level_number.x;
6449           y = DY + editor.input.level_number.y;
6450         }
6451         else
6452         {
6453           graphic = IMG_EDITOR_COUNTER_INPUT;
6454         }
6455
6456         gd = &graphic_info[graphic];
6457
6458         gd_x1 = gd->src_x;
6459         gd_y1 = gd->src_y;
6460         gd_x2 = gd->src_x + gd->active_xoffset;
6461         gd_y2 = gd->src_y + gd->active_yoffset;
6462
6463         gi = CreateGadget(GDI_CUSTOM_ID, id,
6464                           GDI_CUSTOM_TYPE_ID, i,
6465                           GDI_IMAGE_ID, graphic,
6466                           GDI_INFO_TEXT, "enter counter value",
6467                           GDI_X, x,
6468                           GDI_Y, y,
6469                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
6470                           GDI_NUMBER_VALUE, 0,
6471                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
6472                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
6473                           GDI_TEXT_SIZE, 3,     // minimal counter text size
6474                           GDI_TEXT_FONT, font_type,
6475                           GDI_TEXT_FONT_ACTIVE, font_type_active,
6476                           GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6477                           GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6478                           GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6479                           GDI_DESIGN_WIDTH, gd->width,
6480                           GDI_EVENT_MASK, event_mask,
6481                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6482                           GDI_CALLBACK_ACTION, HandleCounterButtons,
6483                           GDI_END);
6484
6485         if (gi == NULL)
6486           Error(ERR_EXIT, "cannot create gadget");
6487
6488         level_editor_gadget[id] = gi;
6489         right_gadget_border[id] =
6490           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
6491
6492         x += gi->width + ED_GADGET_SMALL_DISTANCE;      // up count button
6493       }
6494     }
6495   }
6496 }
6497
6498 static void CreateDrawingAreas(void)
6499 {
6500   int i;
6501
6502   // these values are not constant, but can change at runtime
6503   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
6504   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
6505
6506   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
6507   {
6508     struct GadgetInfo *gi;
6509     unsigned int event_mask;
6510     int id = drawingarea_info[i].gadget_id;
6511     int x = SX + ED_AREA_SETTINGS_X(drawingarea_info[i]);
6512     int y = SY + ED_AREA_SETTINGS_Y(drawingarea_info[i]);
6513     int area_xsize = drawingarea_info[i].area_xsize;
6514     int area_ysize = drawingarea_info[i].area_ysize;
6515     int item_size = (id == GADGET_ID_DRAWING_LEVEL ?
6516                      ed_tilesize : ED_DRAWINGAREA_TILE_SIZE);
6517
6518     event_mask =
6519       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
6520       GD_EVENT_OFF_BORDERS | GD_EVENT_PIXEL_PRECISE;
6521
6522     // determine horizontal position to the right of specified gadget
6523     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
6524       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
6525            ED_DRAWINGAREA_TEXT_DISTANCE);
6526
6527     // determine horizontal offset for leading text
6528     if (drawingarea_info[i].text_left != NULL)
6529       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
6530
6531     gi = CreateGadget(GDI_CUSTOM_ID, id,
6532                       GDI_CUSTOM_TYPE_ID, i,
6533                       GDI_X, x,
6534                       GDI_Y, y,
6535                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
6536                       GDI_AREA_SIZE, area_xsize, area_ysize,
6537                       GDI_ITEM_SIZE, item_size, item_size,
6538                       GDI_EVENT_MASK, event_mask,
6539                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
6540                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
6541                       GDI_END);
6542
6543     if (gi == NULL)
6544       Error(ERR_EXIT, "cannot create gadget");
6545
6546     level_editor_gadget[id] = gi;
6547     right_gadget_border[id] =
6548       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
6549   }
6550 }
6551
6552 static void CreateTextInputGadgets(void)
6553 {
6554   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
6555   int max_infotext_len = getMaxInfoTextLength();
6556   int i;
6557
6558   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
6559   {
6560     int gd_x1 = gd->src_x;
6561     int gd_y1 = gd->src_y;
6562     int gd_x2 = gd->src_x + gd->active_xoffset;
6563     int gd_y2 = gd->src_y + gd->active_yoffset;
6564     struct GadgetInfo *gi;
6565     unsigned int event_mask;
6566     char infotext[MAX_OUTPUT_LINESIZE + 1];
6567     int id = textinput_info[i].gadget_id;
6568     int x, y;
6569
6570     if (i == ED_TEXTINPUT_ID_ELEMENT_NAME)
6571     {
6572       int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
6573       int border_size = gd->border_size;
6574       int font_nr = FONT_INPUT_1;
6575       int font_height = getFontHeight(font_nr);
6576       int xoffset = element_border + TILEX + element_border + 3 * border_size;
6577       int yoffset = element_border + (TILEY - font_height) / 2;
6578
6579       x = (editor.settings.element_name.x != -1 ?
6580            editor.settings.element_name.x :
6581            editor.settings.element_graphic.x + xoffset) - border_size;
6582       y = (editor.settings.element_name.y != -1 ?
6583            editor.settings.element_name.y :
6584            editor.settings.element_graphic.y + yoffset) - border_size;
6585     }
6586     else
6587     {
6588       x = ED_SETTINGS_X(textinput_info[i].x);
6589       y = ED_SETTINGS_Y(textinput_info[i].y);
6590     }
6591
6592     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6593
6594     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
6595     infotext[max_infotext_len] = '\0';
6596
6597     gi = CreateGadget(GDI_CUSTOM_ID, id,
6598                       GDI_CUSTOM_TYPE_ID, i,
6599                       GDI_INFO_TEXT, infotext,
6600                       GDI_X, SX + x,
6601                       GDI_Y, SY + y,
6602                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
6603                       GDI_TEXT_VALUE, textinput_info[i].value,
6604                       GDI_TEXT_SIZE, textinput_info[i].size,
6605                       GDI_TEXT_FONT, FONT_INPUT_1,
6606                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6607                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6608                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6609                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6610                       GDI_DESIGN_WIDTH, gd->width,
6611                       GDI_EVENT_MASK, event_mask,
6612                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6613                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
6614                       GDI_END);
6615
6616     if (gi == NULL)
6617       Error(ERR_EXIT, "cannot create gadget");
6618
6619     level_editor_gadget[id] = gi;
6620   }
6621 }
6622
6623 static void CreateTextAreaGadgets(void)
6624 {
6625   int max_infotext_len = getMaxInfoTextLength();
6626   int i;
6627
6628   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
6629   {
6630     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXTAREA];
6631     int gd_x1 = gd->src_x;
6632     int gd_y1 = gd->src_y;
6633     int gd_x2 = gd->src_x + gd->active_xoffset;
6634     int gd_y2 = gd->src_y + gd->active_yoffset;
6635     struct GadgetInfo *gi;
6636     unsigned int event_mask;
6637     char infotext[MAX_OUTPUT_LINESIZE + 1];
6638     int id = textarea_info[i].gadget_id;
6639     int area_xsize = textarea_info[i].xsize;
6640     int area_ysize = textarea_info[i].ysize;
6641
6642     event_mask = GD_EVENT_TEXT_LEAVING;
6643
6644     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
6645     infotext[max_infotext_len] = '\0';
6646
6647     gi = CreateGadget(GDI_CUSTOM_ID, id,
6648                       GDI_CUSTOM_TYPE_ID, i,
6649                       GDI_INFO_TEXT, infotext,
6650                       GDI_X, SX + ED_SETTINGS_X(textarea_info[i].x),
6651                       GDI_Y, SY + ED_SETTINGS_Y(textarea_info[i].y),
6652                       GDI_TYPE, GD_TYPE_TEXT_AREA,
6653                       GDI_AREA_SIZE, area_xsize, area_ysize,
6654                       GDI_TEXT_FONT, FONT_INPUT_1,
6655                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6656                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6657                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6658                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6659                       GDI_DESIGN_WIDTH, gd->width,
6660                       GDI_EVENT_MASK, event_mask,
6661                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6662                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
6663                       GDI_END);
6664
6665     if (gi == NULL)
6666       Error(ERR_EXIT, "cannot create gadget");
6667
6668     level_editor_gadget[id] = gi;
6669   }
6670 }
6671
6672 static void CreateSelectboxGadgets(void)
6673 {
6674   int max_infotext_len = getMaxInfoTextLength();
6675   int i, j;
6676
6677   for (i = 0; i < ED_NUM_SELECTBOX; i++)
6678   {
6679     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_SELECTBOX_INPUT];
6680     struct GraphicInfo *gd2 = &graphic_info[IMG_EDITOR_SELECTBOX_BUTTON];
6681     int gd_x1 = gd->src_x;
6682     int gd_y1 = gd->src_y;
6683     int gd_x2 = gd->src_x + gd->active_xoffset;
6684     int gd_y2 = gd->src_y + gd->active_yoffset;
6685     int selectbox_button_xsize = gd2->width;
6686     struct GadgetInfo *gi;
6687     unsigned int event_mask;
6688     char infotext[MAX_OUTPUT_LINESIZE + 1];
6689     int id = selectbox_info[i].gadget_id;
6690     int x = SX + ED_SETTINGS_X(selectbox_info[i].x);
6691     int y = SY + ED_SETTINGS_Y(selectbox_info[i].y);
6692
6693     if (selectbox_info[i].size == -1)   // dynamically determine size
6694     {
6695       // (we cannot use -1 for uninitialized values if we directly compare
6696       // with results from strlen(), because the '<' and '>' operation will
6697       // implicitely cast -1 to an unsigned integer value!)
6698       selectbox_info[i].size = 0;
6699
6700       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
6701         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
6702           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
6703
6704       selectbox_info[i].size++;         // add one character empty space
6705     }
6706
6707     event_mask = GD_EVENT_RELEASED |
6708       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6709
6710     // determine horizontal position to the right of specified gadget
6711     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
6712       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
6713            ED_GADGET_TEXT_DISTANCE);
6714
6715     // determine horizontal offset for leading text
6716     if (selectbox_info[i].text_left != NULL)
6717       x += getTextWidthForGadget(selectbox_info[i].text_left);
6718
6719     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
6720     infotext[max_infotext_len] = '\0';
6721
6722     gi = CreateGadget(GDI_CUSTOM_ID, id,
6723                       GDI_CUSTOM_TYPE_ID, i,
6724                       GDI_INFO_TEXT, infotext,
6725                       GDI_X, x,
6726                       GDI_Y, y,
6727                       GDI_TYPE, GD_TYPE_SELECTBOX,
6728                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
6729                       GDI_SELECTBOX_CHAR_UNSELECTABLE, '[',
6730                       GDI_TEXT_SIZE, selectbox_info[i].size,
6731                       GDI_TEXT_FONT, FONT_INPUT_1,
6732                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6733                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
6734                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6735                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6736                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6737                       GDI_BORDER_SIZE_SELECTBUTTON, selectbox_button_xsize,
6738                       GDI_DESIGN_WIDTH, gd->width,
6739                       GDI_EVENT_MASK, event_mask,
6740                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6741                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
6742                       GDI_END);
6743
6744     if (gi == NULL)
6745       Error(ERR_EXIT, "cannot create gadget");
6746
6747     level_editor_gadget[id] = gi;
6748     right_gadget_border[id] =
6749       getRightGadgetBorder(gi, selectbox_info[i].text_right);
6750   }
6751 }
6752
6753 static void CreateTextbuttonGadgets(void)
6754 {
6755   int max_infotext_len = getMaxInfoTextLength();
6756   int i;
6757
6758   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
6759   {
6760     int id = textbutton_info[i].gadget_id;
6761     int is_tab_button =
6762       ((id >= GADGET_ID_LEVELINFO_LEVEL && id <= GADGET_ID_LEVELINFO_EDITOR) ||
6763        (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE));
6764     int graphic =
6765       (is_tab_button ? IMG_EDITOR_TABBUTTON : IMG_EDITOR_TEXTBUTTON);
6766     int gadget_distance =
6767       (is_tab_button ? ED_GADGET_SMALL_DISTANCE : ED_GADGET_TEXT_DISTANCE);
6768     struct GraphicInfo *gd = &graphic_info[graphic];
6769     int gd_x1 = gd->src_x;
6770     int gd_y1 = gd->src_y;
6771     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6772     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6773     int gd_x1a = gd->src_x + gd->active_xoffset;
6774     int gd_y1a = gd->src_y + gd->active_yoffset;
6775     int border_xsize = gd->border_size + gd->draw_xoffset;
6776     int border_ysize = gd->border_size;
6777     struct GadgetInfo *gi;
6778     unsigned int event_mask;
6779     char infotext[MAX_OUTPUT_LINESIZE + 1];
6780     int x = SX + ED_SETTINGS_X(textbutton_info[i].x);
6781     int y = SY + ED_SETTINGS_Y(textbutton_info[i].y);
6782
6783     if (textbutton_info[i].size == -1)  // dynamically determine size
6784       textbutton_info[i].size = strlen(textbutton_info[i].text);
6785
6786     event_mask = GD_EVENT_RELEASED;
6787
6788     sprintf(infotext, "%s", textbutton_info[i].infotext);
6789     infotext[max_infotext_len] = '\0';
6790
6791     // determine horizontal position to the right of specified gadget
6792     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6793     {
6794       int gadget_id_align = textbutton_info[i].gadget_id_align;
6795
6796       x = right_gadget_border[gadget_id_align] + gadget_distance;
6797
6798       if (textbutton_info[i].y == -1)
6799         y = level_editor_gadget[gadget_id_align]->y;
6800     }
6801
6802     // determine horizontal offset for leading text
6803     if (textbutton_info[i].text_left != NULL)
6804       x += getTextWidthForGadget(textbutton_info[i].text_left);
6805
6806     gi = CreateGadget(GDI_CUSTOM_ID, id,
6807                       GDI_CUSTOM_TYPE_ID, i,
6808                       GDI_IMAGE_ID, graphic,
6809                       GDI_INFO_TEXT, infotext,
6810                       GDI_X, x,
6811                       GDI_Y, y,
6812                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
6813                       GDI_TEXT_VALUE, textbutton_info[i].text,
6814                       GDI_TEXT_SIZE, textbutton_info[i].size,
6815                       GDI_TEXT_FONT, FONT_INPUT_2,
6816                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2_ACTIVE,
6817                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6818                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6819                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6820                       GDI_BORDER_SIZE, border_xsize, border_ysize,
6821                       GDI_DESIGN_WIDTH, gd->width,
6822                       GDI_DECORATION_SHIFTING, 1, 1,
6823                       GDI_EVENT_MASK, event_mask,
6824                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6825                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
6826                       GDI_END);
6827
6828     if (gi == NULL)
6829       Error(ERR_EXIT, "cannot create gadget");
6830
6831     level_editor_gadget[id] = gi;
6832     right_gadget_border[id] =
6833       getRightGadgetBorder(gi, textbutton_info[i].text_right);
6834   }
6835 }
6836
6837 static void CreateGraphicbuttonGadgets(void)
6838 {
6839   struct GadgetInfo *gi;
6840   unsigned int event_mask;
6841   int i;
6842
6843   // create buttons for scrolling of drawing area and element list
6844   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
6845   {
6846     int id = graphicbutton_info[i].gadget_id;
6847     int x = SX + ED_SETTINGS_X(graphicbutton_info[i].x);
6848     int y = SY + ED_SETTINGS_Y(graphicbutton_info[i].y);
6849     int graphic = graphicbutton_info[i].graphic;
6850     struct GraphicInfo *gd = &graphic_info[graphic];
6851     int gd_x1 = gd->src_x;
6852     int gd_y1 = gd->src_y;
6853     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6854     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6855
6856     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6857
6858     // determine horizontal position to the right of specified gadget
6859     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6860       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
6861            ED_GADGET_TEXT_DISTANCE);
6862
6863     // determine horizontal offset for leading text
6864     if (graphicbutton_info[i].text_left != NULL)
6865       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
6866
6867     gi = CreateGadget(GDI_CUSTOM_ID, id,
6868                       GDI_CUSTOM_TYPE_ID, i,
6869                       GDI_IMAGE_ID, graphic,
6870                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
6871                       GDI_X, x,
6872                       GDI_Y, y,
6873                       GDI_WIDTH, gd->width,
6874                       GDI_HEIGHT, gd->height,
6875                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6876                       GDI_STATE, GD_BUTTON_UNPRESSED,
6877                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6878                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6879                       GDI_EVENT_MASK, event_mask,
6880                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6881                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
6882                       GDI_END);
6883
6884     if (gi == NULL)
6885       Error(ERR_EXIT, "cannot create gadget");
6886
6887     level_editor_gadget[id] = gi;
6888     right_gadget_border[id] =
6889       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
6890   }
6891 }
6892
6893 static void CreateScrollbarGadgets(void)
6894 {
6895   int i;
6896
6897   // these values are not constant, but can change at runtime
6898   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
6899     SX + ED_SCROLL_HORIZONTAL_XPOS;
6900   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
6901     SY + ED_SCROLL_HORIZONTAL_YPOS;
6902   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
6903     ED_SCROLL_HORIZONTAL_XSIZE;
6904   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
6905     ED_SCROLL_HORIZONTAL_YSIZE;
6906   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
6907   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
6908   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
6909   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
6910
6911   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
6912     SX + ED_SCROLL_VERTICAL_XPOS;
6913   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
6914     SY + ED_SCROLL_VERTICAL_YPOS;
6915   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
6916     ED_SCROLL_VERTICAL_XSIZE;
6917   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
6918     ED_SCROLL_VERTICAL_YSIZE;
6919   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
6920   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
6921   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
6922   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
6923
6924   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
6925     PX + ED_SCROLL2_VERTICAL_XPOS;
6926   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
6927     PY + ED_SCROLL2_VERTICAL_YPOS;
6928   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
6929     ED_SCROLL2_VERTICAL_XSIZE;
6930   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
6931     ED_SCROLL2_VERTICAL_YSIZE;
6932   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = PX;
6933   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = PY;
6934   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = PXSIZE;
6935   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = PYSIZE;
6936
6937   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
6938   {
6939     int id = scrollbar_info[i].gadget_id;
6940     int graphic = scrollbar_info[i].graphic;
6941     struct GraphicInfo *gd = &graphic_info[graphic];
6942     int gd_x1 = gd->src_x;
6943     int gd_y1 = gd->src_y;
6944     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6945     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6946     struct GadgetInfo *gi;
6947     int items_max, items_visible, item_position;
6948     unsigned int event_mask;
6949
6950     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
6951     {
6952       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
6953       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
6954       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
6955     }
6956     else        // drawing area scrollbars
6957     {
6958       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
6959       {
6960         items_max = MAX(lev_fieldx + 2, ed_fieldx);
6961         items_visible = ed_fieldx;
6962         item_position = 0;
6963       }
6964       else
6965       {
6966         items_max = MAX(lev_fieldy + 2, ed_fieldy);
6967         items_visible = ed_fieldy;
6968         item_position = 0;
6969       }
6970     }
6971
6972     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
6973
6974     gi = CreateGadget(GDI_CUSTOM_ID, id,
6975                       GDI_CUSTOM_TYPE_ID, i,
6976                       GDI_IMAGE_ID, graphic,
6977                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
6978                       GDI_X, scrollbar_pos[i].x,
6979                       GDI_Y, scrollbar_pos[i].y,
6980                       GDI_WIDTH, scrollbar_pos[i].width,
6981                       GDI_HEIGHT, scrollbar_pos[i].height,
6982                       GDI_TYPE, scrollbar_info[i].type,
6983                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
6984                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
6985                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
6986                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
6987                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
6988                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
6989                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
6990                       GDI_STATE, GD_BUTTON_UNPRESSED,
6991                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6992                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6993                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6994                       GDI_EVENT_MASK, event_mask,
6995                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6996                       GDI_CALLBACK_ACTION, HandleControlButtons,
6997                       GDI_END);
6998
6999     if (gi == NULL)
7000       Error(ERR_EXIT, "cannot create gadget");
7001
7002     level_editor_gadget[id] = gi;
7003   }
7004 }
7005
7006 static void CreateCheckbuttonGadgets(void)
7007 {
7008   struct GadgetInfo *gi;
7009   unsigned int event_mask;
7010   int i;
7011
7012   event_mask = GD_EVENT_PRESSED;
7013
7014   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
7015   {
7016     int id = checkbutton_info[i].gadget_id;
7017     int graphic = (id == GADGET_ID_STICK_ELEMENT ? IMG_EDITOR_STICKYBUTTON :
7018                    IMG_EDITOR_CHECKBOX);
7019     struct GraphicInfo *gd = &graphic_info[graphic];
7020     int gd_x1 = gd->src_x;
7021     int gd_y1 = gd->src_y;
7022     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7023     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7024     int gd_x1a = gd->src_x + gd->active_xoffset;
7025     int gd_y1a = gd->src_y + gd->active_yoffset;
7026     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
7027     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
7028     int x = SX + ED_SETTINGS_X(checkbutton_info[i].x);
7029     int y = SY + ED_SETTINGS_Y(checkbutton_info[i].y);
7030
7031     // determine horizontal position to the right of specified gadget
7032     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
7033       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
7034            ED_GADGET_TEXT_DISTANCE);
7035
7036     // determine horizontal offset for leading text
7037     if (checkbutton_info[i].text_left != NULL)
7038       x += getTextWidthForGadget(checkbutton_info[i].text_left);
7039
7040     gi = CreateGadget(GDI_CUSTOM_ID, id,
7041                       GDI_CUSTOM_TYPE_ID, i,
7042                       GDI_IMAGE_ID, graphic,
7043                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
7044                       GDI_X, x,
7045                       GDI_Y, y,
7046                       GDI_WIDTH, gd->width,
7047                       GDI_HEIGHT, gd->height,
7048                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
7049                       GDI_CHECKED, *checkbutton_info[i].value,
7050                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7051                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7052                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7053                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
7054                       GDI_EVENT_MASK, event_mask,
7055                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7056                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
7057                       GDI_END);
7058
7059     if (gi == NULL)
7060       Error(ERR_EXIT, "cannot create gadget");
7061
7062     level_editor_gadget[id] = gi;
7063     right_gadget_border[id] =
7064       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
7065   }
7066 }
7067
7068 static void CreateRadiobuttonGadgets(void)
7069 {
7070   int graphic = IMG_EDITOR_RADIOBUTTON;
7071   struct GraphicInfo *gd = &graphic_info[graphic];
7072   int gd_x1 = gd->src_x;
7073   int gd_y1 = gd->src_y;
7074   int gd_x2 = gd->src_x + gd->pressed_xoffset;
7075   int gd_y2 = gd->src_y + gd->pressed_yoffset;
7076   int gd_x1a = gd->src_x + gd->active_xoffset;
7077   int gd_y1a = gd->src_y + gd->active_yoffset;
7078   int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
7079   int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
7080   struct GadgetInfo *gi;
7081   unsigned int event_mask;
7082   int i;
7083
7084   event_mask = GD_EVENT_PRESSED;
7085
7086   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
7087   {
7088     int id = radiobutton_info[i].gadget_id;
7089     int x = SX + ED_SETTINGS_X(radiobutton_info[i].x);
7090     int y = SY + ED_SETTINGS_Y(radiobutton_info[i].y);
7091
7092     int checked =
7093       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
7094
7095     // determine horizontal position to the right of specified gadget
7096     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
7097       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
7098            ED_GADGET_TEXT_DISTANCE);
7099
7100     // determine horizontal offset for leading text
7101     if (radiobutton_info[i].text_left != NULL)
7102       x += getTextWidthForGadget(radiobutton_info[i].text_left);
7103
7104     gi = CreateGadget(GDI_CUSTOM_ID, id,
7105                       GDI_CUSTOM_TYPE_ID, i,
7106                       GDI_IMAGE_ID, graphic,
7107                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
7108                       GDI_X, x,
7109                       GDI_Y, y,
7110                       GDI_WIDTH, gd->width,
7111                       GDI_HEIGHT, gd->height,
7112                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
7113                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
7114                       GDI_CHECKED, checked,
7115                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7116                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7117                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7118                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
7119                       GDI_EVENT_MASK, event_mask,
7120                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7121                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
7122                       GDI_END);
7123
7124     if (gi == NULL)
7125       Error(ERR_EXIT, "cannot create gadget");
7126
7127     level_editor_gadget[id] = gi;
7128     right_gadget_border[id] =
7129       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
7130   }
7131 }
7132
7133 void CreateLevelEditorGadgets(void)
7134 {
7135   // force EDITOR font inside level editor
7136   SetFontStatus(GAME_MODE_EDITOR);
7137
7138   // these values are not constant, but can change at runtime
7139   ed_fieldx = MAX_ED_FIELDX - 1;
7140   ed_fieldy = MAX_ED_FIELDY - 1;
7141
7142   num_editor_gadgets = NUM_EDITOR_GADGETS;
7143
7144   // printf("::: allocating %d gadgets ...\n", num_editor_gadgets);
7145
7146   level_editor_gadget =
7147     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
7148   right_gadget_border =
7149     checked_calloc(num_editor_gadgets * sizeof(int));
7150
7151   // set number of empty (padding) element buttons to maximum number of buttons
7152   num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS;
7153
7154   editor_el_empty = checked_calloc(num_editor_el_empty * sizeof(int));
7155   editor_el_empty_ptr = editor_el_empty;
7156
7157   use_permanent_palette = !editor.palette.show_as_separate_screen;
7158
7159   ReinitializeElementList();
7160
7161   CreateControlButtons();
7162   CreateScrollbarGadgets();
7163
7164   // order of function calls is important because of cross-references
7165   CreateCheckbuttonGadgets();
7166   CreateCounterButtons();
7167   CreateRadiobuttonGadgets();
7168   CreateTextInputGadgets();
7169   CreateTextAreaGadgets();
7170   CreateSelectboxGadgets();
7171   CreateGraphicbuttonGadgets();
7172   CreateTextbuttonGadgets();
7173   CreateDrawingAreas();
7174
7175   ResetFontStatus();
7176 }
7177
7178 void FreeLevelEditorGadgets(void)
7179 {
7180   int i;
7181
7182   // printf("::: freeing %d gadgets ...\n", num_editor_gadgets);
7183
7184   for (i = 0; i < num_editor_gadgets; i++)
7185   {
7186     FreeGadget(level_editor_gadget[i]);
7187
7188     level_editor_gadget[i] = NULL;
7189   }
7190
7191   checked_free(level_editor_gadget);
7192   checked_free(right_gadget_border);
7193
7194   checked_free(editor_el_empty);
7195 }
7196
7197 static void MapCounterButtons(int id)
7198 {
7199   int font_nr = FONT_TEXT_1;
7200   int font_height = getFontHeight(font_nr);
7201   int gadget_id_down = counterbutton_info[id].gadget_id_down;
7202   int gadget_id_text = counterbutton_info[id].gadget_id_text;
7203   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
7204   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
7205   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
7206   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
7207   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
7208   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7209   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7210   int yoffset = (gi_down->height - font_height) / 2;
7211   int x_left = gi_down->x - xoffset_left;
7212   int x_right;  // set after gadget position was modified
7213   int y_above = gi_down->y - yoffset_above;
7214   int x = gi_down->x;
7215   int y;        // set after gadget position was modified
7216
7217   // counter limits must be changed first to prevent value truncation
7218   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
7219                             counterbutton_info[id].max_value);
7220
7221   // right text position might have changed after setting position above
7222   x_right = gi_up->x + gi_up->width + xoffset_right;
7223
7224   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
7225
7226   // set position for "value[1,2,3,4]" counter gadgets (score in most cases)
7227   if (id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
7228       id <= ED_COUNTER_ID_ELEMENT_VALUE4)
7229   {
7230     ModifyGadget(gi_down, GDI_Y,
7231                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7232     ModifyGadget(gi_text, GDI_Y,
7233                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7234     ModifyGadget(gi_up,   GDI_Y,
7235                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7236   }
7237
7238   // vertical position might have changed after setting position above
7239   y = gi_up->y + yoffset;
7240
7241   if (counterbutton_info[id].text_above)
7242     DrawText(x, y_above, counterbutton_info[id].text_above, font_nr);
7243
7244   if (counterbutton_info[id].text_left)
7245     DrawText(x_left, y, counterbutton_info[id].text_left, font_nr);
7246
7247   if (counterbutton_info[id].text_right)
7248     DrawText(x_right, y, counterbutton_info[id].text_right, font_nr);
7249
7250   MapGadget(gi_down);
7251   MapGadget(gi_text);
7252   MapGadget(gi_up);
7253 }
7254
7255 static void MapControlButtons(void)
7256 {
7257   int counter_id;
7258   int i;
7259
7260   // map toolbox buttons (excluding special CE toolbox buttons)
7261   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
7262     MapGadget(level_editor_gadget[i]);
7263
7264   // map toolbox buttons (element properties buttons)
7265   for (i = ED_NUM_CTRL1_4_BUTTONS; i < ED_NUM_CTRL1_7_BUTTONS; i++)
7266     MapGadget(level_editor_gadget[i]);
7267
7268   if (use_permanent_palette)
7269   {
7270     // map buttons to select elements
7271     for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7272       MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
7273     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
7274     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
7275     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
7276   }
7277
7278   // map buttons to select level
7279   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
7280   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
7281   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
7282   MapCounterButtons(counter_id);
7283 }
7284
7285 static void MapDrawingArea(int id)
7286 {
7287   int font_nr = FONT_TEXT_1;
7288   int font_height = getFontHeight(font_nr);
7289   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7290   int area_xsize = gi->drawing.area_xsize;
7291   int area_ysize = gi->drawing.area_ysize;
7292   int xoffset_left = getTextWidthForDrawingArea(drawingarea_info[id].text_left);
7293   int xoffset_below = getTextWidth(drawingarea_info[id].text_below, font_nr);
7294   int x_left  = gi->x - xoffset_left;
7295   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
7296   int x_above = gi->x - ED_DRAWINGAREA_BORDER_SIZE;
7297   int x_below = gi->x + (gi->width - xoffset_below) / 2;
7298   int y_side  = gi->y + (gi->height - font_height) / 2;
7299   int y_above = gi->y - font_height - ED_DRAWINGAREA_TEXT_DISTANCE;
7300   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
7301
7302   if (drawingarea_info[id].text_left)
7303     DrawText(x_left, y_side, drawingarea_info[id].text_left, font_nr);
7304
7305   if (drawingarea_info[id].text_right)
7306     DrawText(x_right, y_side, drawingarea_info[id].text_right, font_nr);
7307
7308   if (drawingarea_info[id].text_above)
7309     DrawText(x_above, y_above, drawingarea_info[id].text_above, font_nr);
7310
7311   if (drawingarea_info[id].text_below)
7312     DrawText(x_below, y_below, drawingarea_info[id].text_below, font_nr);
7313
7314   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
7315   {
7316     DrawElementBorder(gi->x, gi->y,
7317                       area_xsize * ED_DRAWINGAREA_TILE_SIZE,
7318                       area_ysize * ED_DRAWINGAREA_TILE_SIZE, TRUE);
7319
7320     DrawDrawingArea(id);
7321   }
7322
7323   MapGadget(gi);
7324 }
7325
7326 static void MapTextInputGadget(int id)
7327 {
7328   int font_nr = FONT_TEXT_1;
7329   int font_height = getFontHeight(font_nr);
7330   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
7331   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7332   int x_above = ED_SETTINGS_X(textinput_info[id].x);
7333   int y_above = ED_SETTINGS_Y(textinput_info[id].y) - yoffset_above;
7334
7335   if (textinput_info[id].text_above)
7336     DrawTextS(x_above, y_above, font_nr, textinput_info[id].text_above);
7337
7338   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
7339
7340   MapGadget(gi);
7341 }
7342
7343 static void MapTextAreaGadget(int id)
7344 {
7345   int font_nr = FONT_TEXT_1;
7346   int font_height = getFontHeight(font_nr);
7347   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
7348   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7349   int x_above = ED_SETTINGS_X(textarea_info[id].x);
7350   int y_above = ED_SETTINGS_Y(textarea_info[id].y) - yoffset_above;
7351
7352   if (textarea_info[id].text_above)
7353     DrawTextS(x_above, y_above, font_nr, textarea_info[id].text_above);
7354
7355   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
7356
7357   MapGadget(gi);
7358 }
7359
7360 static void MapSelectboxGadget(int id)
7361 {
7362   int font_nr = FONT_TEXT_1;
7363   int font_height = getFontHeight(font_nr);
7364   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
7365   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
7366   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7367   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7368   int yoffset = (gi->height - font_height) / 2;
7369   int x_left = gi->x - xoffset_left;
7370   int x_right = gi->x + gi->width + xoffset_right;
7371   int y_above = gi->y - yoffset_above;
7372   int x = gi->x;
7373   int y = gi->y + yoffset;
7374
7375   if (selectbox_info[id].text_above)
7376     DrawText(x, y_above, selectbox_info[id].text_above, font_nr);
7377
7378   if (selectbox_info[id].text_left)
7379     DrawText(x_left, y, selectbox_info[id].text_left, font_nr);
7380
7381   if (selectbox_info[id].text_right)
7382     DrawText(x_right, y, selectbox_info[id].text_right, font_nr);
7383
7384   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
7385
7386   MapGadget(gi);
7387 }
7388
7389 static void MapTextbuttonGadget(int id)
7390 {
7391   int font_nr = FONT_TEXT_1;
7392   int font_height = getFontHeight(font_nr);
7393   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
7394   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
7395   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7396   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7397   int yoffset = (gi->height - font_height) / 2;
7398   int x_left = gi->x - xoffset_left;
7399   int x_right = gi->x + gi->width + xoffset_right;
7400   int y_above = gi->y - yoffset_above;
7401   int x = gi->x;
7402   int y = gi->y + yoffset;
7403
7404   // only show button to delete change pages when more than minimum pages
7405   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
7406       custom_element.num_change_pages == MIN_CHANGE_PAGES)
7407     return;
7408
7409   if (textbutton_info[id].text_above)
7410     DrawText(x, y_above, textbutton_info[id].text_above, font_nr);
7411
7412   if (textbutton_info[id].text_left)
7413     DrawText(x_left, y, textbutton_info[id].text_left, font_nr);
7414
7415   if (textbutton_info[id].text_right)
7416     DrawText(x_right, y, textbutton_info[id].text_right, font_nr);
7417
7418   MapGadget(gi);
7419 }
7420
7421 static void MapGraphicbuttonGadget(int id)
7422 {
7423   int font_nr = FONT_TEXT_1;
7424   int font_height = getFontHeight(font_nr);
7425   struct GadgetInfo *gi= level_editor_gadget[graphicbutton_info[id].gadget_id];
7426   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
7427   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7428   int yoffset = (gi->height - font_height) / 2;
7429   int x_left = gi->x - xoffset_left;
7430   int x_right = gi->x + gi->width + xoffset_right;
7431   int y = gi->y + yoffset;
7432
7433   if (graphicbutton_info[id].text_left)
7434     DrawText(x_left, y, graphicbutton_info[id].text_left, font_nr);
7435
7436   if (graphicbutton_info[id].text_right)
7437     DrawText(x_right, y, graphicbutton_info[id].text_right, font_nr);
7438
7439   MapGadget(gi);
7440 }
7441
7442 static void MapRadiobuttonGadget(int id)
7443 {
7444   int font_nr = FONT_TEXT_1;
7445   int font_height = getFontHeight(font_nr);
7446   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
7447   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
7448   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7449   int yoffset = (gi->height - font_height) / 2;
7450   int x_left = gi->x - xoffset_left;
7451   int x_right = gi->x + gi->width + xoffset_right;
7452   int y = gi->y + yoffset;
7453   boolean checked =
7454     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
7455
7456   if (radiobutton_info[id].text_left)
7457     DrawText(x_left, y, radiobutton_info[id].text_left, font_nr);
7458
7459   if (radiobutton_info[id].text_right)
7460     DrawText(x_right, y, radiobutton_info[id].text_right, font_nr);
7461
7462   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
7463
7464   MapGadget(gi);
7465 }
7466
7467 static void MapCheckbuttonGadget(int id)
7468 {
7469   int font_nr = FONT_TEXT_1;
7470   int font_height = getFontHeight(font_nr);
7471   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
7472   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
7473   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7474   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7475   int yoffset = (gi->height - font_height) / 2;
7476   int y_above = gi->y - yoffset_above;
7477   int x = gi->x;
7478   int x_left, x_right, y;       // set after gadget position was modified
7479
7480   // set position for gadgets with dynamically determined position
7481   if (checkbutton_info[id].x != -1)     // do not change dynamic positions
7482     ModifyGadget(gi, GDI_X, SX + ED_SETTINGS_X(checkbutton_info[id].x),GDI_END);
7483   ModifyGadget(gi, GDI_Y, SY + ED_SETTINGS_Y(checkbutton_info[id].y), GDI_END);
7484
7485   x_left = gi->x - xoffset_left;
7486   x_right = gi->x + gi->width + xoffset_right;
7487   y = gi->y + yoffset;
7488
7489   if (checkbutton_info[id].text_above)
7490     DrawText(x, y_above, checkbutton_info[id].text_above, font_nr);
7491
7492   if (checkbutton_info[id].text_left)
7493     DrawText(x_left, y, checkbutton_info[id].text_left, font_nr);
7494
7495   if (checkbutton_info[id].text_right)
7496     DrawText(x_right, y, checkbutton_info[id].text_right, font_nr);
7497
7498   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
7499
7500   MapGadget(gi);
7501 }
7502
7503 static void MapMainDrawingArea(void)
7504 {
7505   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
7506   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
7507   int i;
7508
7509   if (suppressBorderElement())
7510   {
7511     no_horizontal_scrollbar = (lev_fieldx <= ed_fieldx);
7512     no_vertical_scrollbar   = (lev_fieldy <= ed_fieldy);
7513   }
7514
7515   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
7516   {
7517     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
7518           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
7519          no_horizontal_scrollbar) ||
7520         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
7521           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
7522          no_vertical_scrollbar))
7523       continue;
7524
7525     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
7526   }
7527
7528   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
7529   {
7530     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
7531         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
7532       continue;
7533
7534     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
7535   }
7536
7537   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
7538 }
7539
7540 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
7541 {
7542   int i;
7543
7544   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
7545   {
7546     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
7547         i == GADGET_ID_CUSTOM_COPY_TO ||
7548         i == GADGET_ID_CUSTOM_EXCHANGE ||
7549         i == GADGET_ID_CUSTOM_COPY ||
7550         i == GADGET_ID_CUSTOM_PASTE)
7551     {
7552       if (map)
7553         MapGadget(level_editor_gadget[i]);
7554       else
7555         UnmapGadget(level_editor_gadget[i]);
7556     }
7557   }
7558 }
7559
7560 static void MapLevelEditorToolboxCustomGadgets(void)
7561 {
7562   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
7563 }
7564
7565 static void UnmapLevelEditorToolboxCustomGadgets(void)
7566 {
7567   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
7568 }
7569
7570 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
7571 {
7572   int i;
7573
7574   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
7575   {
7576     if (i != GADGET_ID_SINGLE_ITEMS &&
7577         i != GADGET_ID_PICK_ELEMENT)
7578     {
7579       struct GadgetInfo *gi = level_editor_gadget[i];
7580
7581       if (map)
7582       {
7583         MapGadget(gi);
7584       }
7585       else
7586       {
7587         int graphic = IMG_EDITOR_NO_TOOLBOX_BUTTON;
7588         struct GraphicInfo *gd = &graphic_info[graphic];
7589
7590         UnmapGadget(gi);
7591
7592         BlitBitmap(gd->bitmap, drawto, gd->src_x, gd->src_y,
7593                    gi->width, gi->height, gi->x, gi->y);
7594
7595         redraw_mask |= REDRAW_DOOR_3;
7596       }
7597     }
7598   }
7599 }
7600
7601 static void MapLevelEditorToolboxDrawingGadgets(void)
7602 {
7603   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
7604 }
7605
7606 static void UnmapLevelEditorToolboxDrawingGadgets(void)
7607 {
7608   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
7609 }
7610
7611 static void UnmapDrawingArea(int id)
7612 {
7613   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
7614 }
7615
7616 static void UnmapLevelEditorFieldGadgets(void)
7617 {
7618   int i;
7619
7620   for (i = 0; i < num_editor_gadgets; i++)
7621     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
7622                           level_editor_gadget[i]->y))
7623       UnmapGadget(level_editor_gadget[i]);
7624 }
7625
7626 void UnmapLevelEditorGadgets(void)
7627 {
7628   int i;
7629
7630   for (i = 0; i < num_editor_gadgets; i++)
7631     UnmapGadget(level_editor_gadget[i]);
7632 }
7633
7634 static void ResetUndoBuffer(void)
7635 {
7636   undo_buffer_position = -1;
7637   undo_buffer_steps = -1;
7638   redo_buffer_steps = 0;
7639
7640   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
7641
7642   level.changed = FALSE;
7643 }
7644
7645 static void DrawEditModeWindowExt(boolean remap_toolbox_gadgets)
7646 {
7647   if (remap_toolbox_gadgets)
7648   {
7649     ModifyEditorElementList();
7650     RedrawDrawingElements();
7651   }
7652
7653   if (edit_mode == ED_MODE_INFO)
7654     DrawLevelInfoWindow();
7655   else if (edit_mode == ED_MODE_PROPERTIES)
7656     DrawPropertiesWindow();
7657   else if (edit_mode == ED_MODE_PALETTE)
7658     DrawPaletteWindow();
7659   else  // edit_mode == ED_MODE_DRAWING
7660     DrawDrawingWindowExt(remap_toolbox_gadgets);
7661 }
7662
7663 static void DrawEditModeWindow(void)
7664 {
7665   DrawEditModeWindowExt(TRUE);
7666 }
7667
7668 static void DrawEditModeWindow_PlayfieldOnly(void)
7669 {
7670   DrawEditModeWindowExt(FALSE);
7671 }
7672
7673 static void ChangeEditModeWindow(int new_edit_mode)
7674 {
7675   edit_mode = (new_edit_mode != edit_mode ? new_edit_mode : ED_MODE_DRAWING);
7676
7677   DrawEditModeWindow();
7678 }
7679
7680 static boolean LevelChanged(void)
7681 {
7682   boolean field_changed = FALSE;
7683   int x, y;
7684
7685   for (y = 0; y < lev_fieldy; y++)
7686     for (x = 0; x < lev_fieldx; x++)
7687       if (Feld[x][y] != level.field[x][y])
7688         field_changed = TRUE;
7689
7690   return (level.changed || field_changed);
7691 }
7692
7693 static boolean PrepareSavingIntoPersonalLevelSet(void)
7694 {
7695   static LevelDirTree *last_copied_leveldir = NULL;
7696   static LevelDirTree *last_written_leveldir = NULL;
7697   static int last_copied_level_nr = -1;
7698   static int last_written_level_nr = -1;
7699   LevelDirTree *leveldir_former = leveldir_current;
7700   int level_nr_former = level_nr;
7701   int new_level_nr;
7702
7703   // remember last mod/save so that for current session, we write
7704   // back to the same personal copy, asking only about overwrite.
7705   if (leveldir_current == last_copied_leveldir &&
7706       level_nr == last_copied_level_nr)
7707   {
7708     // "cd" to personal level set dir (as used when writing last copy)
7709     leveldir_current = last_written_leveldir;
7710     level_nr = last_written_level_nr;
7711
7712     return TRUE;
7713   }
7714
7715   if (!Request("This level is read only! "
7716                "Save into personal level set?", REQ_ASK))
7717     return FALSE;
7718
7719   // "cd" to personal level set dir (for writing copy the first time)
7720   leveldir_current =
7721     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
7722
7723   // this may happen if "setup.internal.create_user_levelset" is FALSE
7724   // or if file "levelinfo.conf" is missing in personal user level set
7725   if (leveldir_current == NULL)
7726   {
7727     Request("Cannot find personal level set?!", REQ_CONFIRM);
7728
7729     leveldir_current = leveldir_former;
7730
7731     return FALSE;
7732   }
7733
7734   // find unused level number
7735   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
7736   {
7737     static char *level_filename = NULL;
7738
7739     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
7740
7741     if (!fileExists(level_filename))
7742       break;
7743   }
7744
7745   last_copied_leveldir = leveldir_former;
7746   last_copied_level_nr = level_nr_former;
7747
7748   last_written_leveldir = leveldir_current;
7749   last_written_level_nr = level_nr = new_level_nr;
7750
7751   return TRUE;
7752 }
7753
7754 static void ModifyLevelInfoForSavingIntoPersonalLevelSet(char *former_name)
7755 {
7756   static char *filename_levelinfo = NULL, *mod_name = NULL;
7757   FILE *file;
7758
7759   // annotate this copy-and-mod in personal levelinfo.conf
7760   setString(&filename_levelinfo,
7761             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
7762
7763   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
7764   {
7765     fprintf(file, "\n");
7766     fprintf(file, "# level %d was modified from:\n", level_nr);
7767     fprintf(file, "# - previous level set name:    %s\n",
7768             former_name);
7769     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
7770             level.file_info.nr, level.name);
7771     fprintf(file, "# - previous author:            %s\n",
7772             level.author);
7773     fprintf(file, "# - previous save date:         ");
7774
7775     if (level.creation_date.src == DATE_SRC_LEVELFILE)
7776     {
7777       fprintf(file, "%04d-%02d-%02d\n",
7778               level.creation_date.year,
7779               level.creation_date.month,
7780               level.creation_date.day);
7781     }
7782     else
7783     {
7784       fprintf(file, "not recorded\n");
7785     }
7786
7787     fclose(file);
7788   }
7789
7790   if (level_nr > leveldir_current->last_level)
7791     UpdateUserLevelSet(getLoginName(), NULL, NULL, level_nr + 9);
7792
7793   // else: allow the save even if annotation failed
7794
7795   // now... spray graffiti on the old level vital statistics
7796   // user can change these; just trying to set a good baseline
7797
7798   // don't truncate names for fear of making offensive or silly:
7799   // long-named original author only recorded in levelinfo.conf.
7800   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
7801   if (!strEqual(level.author, leveldir_current->author))
7802   {
7803     setString(&mod_name, getStringCat3(leveldir_current->author,
7804                                        " after ", level.author));
7805
7806     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7807       setString(&mod_name,
7808                 getStringCat2(leveldir_current->author, " (ed.)"));
7809
7810     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7811       setString(&mod_name, leveldir_current->author);
7812
7813     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
7814
7815     // less worried about truncation here
7816     setString(&mod_name, getStringCat2("Mod: ", level.name));
7817     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
7818   }
7819 }
7820
7821 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
7822                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
7823 {
7824   int x, y;
7825
7826   for (x = 0; x < lev_fieldx; x++)
7827     for (y = 0; y < lev_fieldy; y++)
7828       dst[x][y] = src[x][y];
7829 }
7830
7831 static int setSelectboxValue(int selectbox_id, int new_value)
7832 {
7833   int new_index_value = 0;
7834   int i;
7835
7836   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
7837     if (selectbox_info[selectbox_id].options[i].value == new_value)
7838       new_index_value = i;
7839
7840   *selectbox_info[selectbox_id].value =
7841     selectbox_info[selectbox_id].options[new_index_value].value;
7842
7843   return new_index_value;
7844 }
7845
7846 static void setSelectboxSpecialActionVariablesIfNeeded(void)
7847 {
7848   int i;
7849
7850   // change action mode and arg variables according to action type variable
7851   for (i = 0; action_arg_options[i].value != -1; i++)
7852   {
7853     if (action_arg_options[i].value == custom_element_change.action_type)
7854     {
7855       int mode = action_arg_options[i].mode;
7856
7857       // only change if corresponding selectbox has changed
7858       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
7859           action_arg_modes[mode])
7860         custom_element_change.action_mode = -1;
7861
7862       // only change if corresponding selectbox has changed
7863       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
7864           action_arg_options[i].options)
7865         custom_element_change.action_arg = -1;
7866
7867       break;
7868     }
7869   }
7870 }
7871
7872 static void setSelectboxSpecialActionOptions(void)
7873 {
7874   int i;
7875
7876   // change action mode and arg selectbox according to action type selectbox
7877   for (i = 0; action_arg_options[i].value != -1; i++)
7878   {
7879     if (action_arg_options[i].value == custom_element_change.action_type)
7880     {
7881       int mode = action_arg_options[i].mode;
7882
7883       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
7884                                    action_arg_modes[mode]);
7885       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
7886                                  custom_element_change.action_mode);
7887
7888       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
7889                                    action_arg_options[i].options);
7890       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
7891                                  custom_element_change.action_arg);
7892       break;
7893     }
7894   }
7895 }
7896
7897 static void copy_custom_element_settings(int element_from, int element_to)
7898 {
7899   struct ElementInfo *ei_from = &element_info[element_from];
7900   struct ElementInfo *ei_to = &element_info[element_to];
7901
7902   copyElementInfo(ei_from, ei_to);
7903 }
7904
7905 static void replace_custom_element_in_settings(int element_from,
7906                                                int element_to)
7907 {
7908   int i, j, x, y;
7909
7910   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7911   {
7912     struct ElementInfo *ei = &element_info[i];
7913
7914     for (y = 0; y < 3; y++)
7915       for (x = 0; x < 3; x++)
7916         if (ei->content.e[x][y] == element_from)
7917           ei->content.e[x][y] = element_to;
7918
7919     for (j = 0; j < ei->num_change_pages; j++)
7920     {
7921       struct ElementChangeInfo *change = &ei->change_page[j];
7922
7923       if (change->target_element == element_from)
7924         change->target_element = element_to;
7925
7926       if (change->initial_trigger_element == element_from)
7927         change->initial_trigger_element = element_to;
7928
7929       if (change->action_element == element_from)
7930         change->action_element = element_to;
7931
7932       for (y = 0; y < 3; y++)
7933         for (x = 0; x < 3; x++)
7934           if (change->target_content.e[x][y] == element_from)
7935             change->target_content.e[x][y] = element_to;
7936     }
7937
7938     if (ei->group != NULL)                              // group or internal
7939       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
7940         if (ei->group->element[j] == element_from)
7941           ei->group->element[j] = element_to;
7942   }
7943 }
7944
7945 static void replace_custom_element_in_playfield(int element_from,
7946                                                 int element_to)
7947 {
7948   int x, y;
7949
7950   for (x = 0; x < lev_fieldx; x++)
7951     for (y = 0; y < lev_fieldy; y++)
7952       if (Feld[x][y] == element_from)
7953         Feld[x][y] = element_to;
7954 }
7955
7956 static boolean CopyCustomElement(int element_old, int element_new,
7957                                  int copy_mode)
7958 {
7959   int copy_mode_orig = copy_mode;
7960
7961   if (copy_mode == GADGET_ID_CUSTOM_COPY)
7962   {
7963     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
7964                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
7965     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
7966   }
7967   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
7968   {
7969     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
7970                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
7971     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
7972
7973     level.changed = TRUE;
7974   }
7975   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
7976   {
7977     Request("Please choose custom element!", REQ_CONFIRM);
7978
7979     return FALSE;
7980   }
7981   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
7982   {
7983     Request("Please choose group element!", REQ_CONFIRM);
7984
7985     return FALSE;
7986   }
7987   else
7988   {
7989     level.changed = TRUE;
7990   }
7991
7992   // when modifying custom/group element, ask for copying level template
7993   if (copy_mode_orig != GADGET_ID_CUSTOM_COPY && level.use_custom_template)
7994   {
7995     if (!AskToCopyAndModifyLevelTemplate())
7996       return FALSE;
7997   }
7998
7999   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
8000   {
8001     copy_custom_element_settings(element_new, element_old);
8002   }
8003   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
8004   {
8005     copy_custom_element_settings(element_old, element_new);
8006   }
8007   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
8008   {
8009     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
8010     copy_custom_element_settings(element_new, element_old);
8011     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
8012
8013     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
8014     replace_custom_element_in_settings(element_new, element_old);
8015     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
8016
8017     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
8018     replace_custom_element_in_playfield(element_new, element_old);
8019     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
8020   }
8021
8022   UpdateCustomElementGraphicGadgets();
8023   DrawPropertiesWindow();
8024
8025   return TRUE;
8026 }
8027
8028 static void CopyCustomElementPropertiesToEditor(int element)
8029 {
8030   int i;
8031   int current_change_page = element_info[element].current_change_page;
8032
8033   // dynamically (re)build selectbox for selecting change page
8034   for (i = 0; i < element_info[element].num_change_pages; i++)
8035   {
8036     sprintf(options_change_page_strings[i], "%d", i + 1);
8037
8038     options_change_page[i].value = i;
8039     options_change_page[i].text = options_change_page_strings[i];
8040   }
8041
8042   options_change_page[i].value = -1;
8043   options_change_page[i].text = NULL;
8044
8045   // needed here to initialize combined element properties
8046   InitElementPropertiesEngine(level.game_version);
8047
8048   element_info[element].change =
8049     &element_info[element].change_page[current_change_page];
8050
8051   custom_element = element_info[element];
8052   custom_element_change = *element_info[element].change;
8053
8054   // needed to initially set selectbox options for special action options
8055   setSelectboxSpecialActionOptions();
8056
8057   // needed to initially set selectbox value variables to reliable defaults
8058   for (i = 0; i < ED_NUM_SELECTBOX; i++)
8059     setSelectboxValue(i, *selectbox_info[i].value);
8060
8061   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
8062     custom_element_properties[i] = HAS_PROPERTY(element, i);
8063
8064   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
8065     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
8066
8067   // ---------- element settings: configure (custom elements) -----------------
8068
8069   // set accessible layer selectbox help value
8070   custom_element.access_type =
8071     (IS_WALKABLE(element) ? EP_WALKABLE :
8072      IS_PASSABLE(element) ? EP_PASSABLE :
8073      custom_element.access_type);
8074   custom_element.access_layer =
8075     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
8076      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
8077      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
8078      custom_element.access_layer);
8079   custom_element.access_protected =
8080     (IS_PROTECTED(element) ? 1 : 0);
8081   custom_element_properties[EP_ACCESSIBLE] =
8082     (IS_ACCESSIBLE_OVER(element) ||
8083      IS_ACCESSIBLE_INSIDE(element) ||
8084      IS_ACCESSIBLE_UNDER(element));
8085
8086   // set walk-to-object action selectbox help value
8087   custom_element.walk_to_action =
8088     (IS_DIGGABLE(element) ? EP_DIGGABLE :
8089      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
8090      IS_DROPPABLE(element) ? EP_DROPPABLE :
8091      IS_THROWABLE(element) ? EP_THROWABLE :
8092      IS_PUSHABLE(element) ? EP_PUSHABLE :
8093      custom_element.walk_to_action);
8094   custom_element_properties[EP_WALK_TO_OBJECT] =
8095     (IS_DIGGABLE(element) ||
8096      IS_COLLECTIBLE_ONLY(element) ||
8097      IS_DROPPABLE(element) ||
8098      IS_THROWABLE(element) ||
8099      IS_PUSHABLE(element));
8100
8101   // set smash targets selectbox help value
8102   custom_element.smash_targets =
8103     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
8104      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
8105      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
8106      custom_element.smash_targets);
8107   custom_element_properties[EP_CAN_SMASH] =
8108     (CAN_SMASH_EVERYTHING(element) ||
8109      CAN_SMASH_ENEMIES(element) ||
8110      CAN_SMASH_PLAYER(element));
8111
8112   // set deadliness selectbox help value
8113   custom_element.deadliness =
8114     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
8115      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
8116      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
8117      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
8118      custom_element.deadliness);
8119   custom_element_properties[EP_DEADLY] =
8120     (DONT_TOUCH(element) ||
8121      DONT_GET_HIT_BY(element) ||
8122      DONT_COLLIDE_WITH(element) ||
8123      DONT_RUN_INTO(element));
8124
8125   // ---------- element settings: advanced (custom elements) ------------------
8126
8127   // set "change by direct action" selectbox help value
8128   custom_element_change.direct_action =
8129     (HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
8130      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
8131      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
8132      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
8133      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
8134      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
8135      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
8136      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
8137      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
8138      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
8139      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
8140      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
8141      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
8142      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
8143      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
8144      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
8145      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
8146      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
8147      custom_element_change.direct_action);
8148
8149   // set "change by other element action" selectbox help value
8150   custom_element_change.other_action =
8151     (HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
8152      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
8153      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
8154      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
8155      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
8156      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
8157      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
8158      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
8159      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
8160      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
8161      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
8162      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
8163      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
8164      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
8165      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
8166      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
8167      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
8168      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
8169      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
8170      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
8171      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
8172      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
8173      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
8174      custom_element_change.other_action);
8175 }
8176
8177 static void CopyGroupElementPropertiesToEditor(int element)
8178 {
8179   group_element_info = *element_info[element].group;
8180   custom_element = element_info[element];       // needed for description
8181 }
8182
8183 static void CopyClassicElementPropertiesToEditor(int element)
8184 {
8185   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
8186     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
8187       getMoveIntoAcidProperty(&level, element);
8188
8189   if (MAYBE_DONT_COLLIDE_WITH(element))
8190     custom_element_properties[EP_DONT_COLLIDE_WITH] =
8191       getDontCollideWithProperty(&level, element);
8192 }
8193
8194 static void CopyElementPropertiesToEditor(int element)
8195 {
8196   if (IS_CUSTOM_ELEMENT(element))
8197     CopyCustomElementPropertiesToEditor(element);
8198   else if (IS_GROUP_ELEMENT(element))
8199     CopyGroupElementPropertiesToEditor(element);
8200   else
8201     CopyClassicElementPropertiesToEditor(element);
8202 }
8203
8204 static boolean AskToCopyAndModifyLevelTemplate(void)
8205 {
8206   if (Request("Copy and modify settings from level template?", REQ_ASK))
8207   {
8208     level.use_custom_template = FALSE;
8209
8210     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_1],
8211                  GDI_CHECKED, FALSE, GDI_END);
8212     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_2],
8213                  GDI_CHECKED, FALSE, GDI_END);
8214
8215     return TRUE;
8216   }
8217   else
8218   {
8219     LoadLevelTemplate(-1);      // this resets all element modifications ...
8220
8221     DrawEditModeWindow();       // ... and copies them to 'custom_element'
8222
8223     return FALSE;
8224   }
8225 }
8226
8227 static void CopyCustomElementPropertiesToGame(int element)
8228 {
8229   int i;
8230   int access_type_and_layer;
8231
8232   // mark that this custom element has been modified
8233   custom_element.modified_settings = TRUE;
8234   level.changed = TRUE;
8235
8236   if (level.use_custom_template)
8237     AskToCopyAndModifyLevelTemplate();
8238
8239   element_info[element] = custom_element;
8240   *element_info[element].change = custom_element_change;
8241
8242   // ---------- element settings: configure (custom elements) -----------------
8243
8244   // set accessible property from checkbox and selectbox
8245   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
8246   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
8247   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
8248   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
8249   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
8250   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
8251   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
8252                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
8253                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
8254   custom_element_properties[access_type_and_layer] =
8255     custom_element_properties[EP_ACCESSIBLE];
8256   custom_element_properties[EP_PROTECTED] =
8257     (custom_element.access_protected != 0 &&
8258      custom_element_properties[EP_ACCESSIBLE]);
8259
8260   // set walk-to-object property from checkbox and selectbox
8261   custom_element_properties[EP_DIGGABLE] = FALSE;
8262   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
8263   custom_element_properties[EP_DROPPABLE] = FALSE;
8264   custom_element_properties[EP_THROWABLE] = FALSE;
8265   custom_element_properties[EP_PUSHABLE] = FALSE;
8266   custom_element_properties[custom_element.walk_to_action] =
8267     custom_element_properties[EP_WALK_TO_OBJECT];
8268
8269   // set smash property from checkbox and selectbox
8270   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
8271   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
8272   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
8273   custom_element_properties[custom_element.smash_targets] =
8274     custom_element_properties[EP_CAN_SMASH];
8275
8276   // set deadliness property from checkbox and selectbox
8277   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
8278   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
8279   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
8280   custom_element_properties[EP_DONT_TOUCH] = FALSE;
8281   custom_element_properties[custom_element.deadliness] =
8282     custom_element_properties[EP_DEADLY];
8283
8284   // ---------- element settings: advanced (custom elements) ------------------
8285
8286   // set player change event from checkbox and selectbox
8287   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
8288   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
8289   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
8290   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
8291   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
8292   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
8293   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
8294   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
8295   custom_element_change_events[CE_SWITCHED] = FALSE;
8296   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
8297   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
8298   custom_element_change_events[CE_BLOCKED] = FALSE;
8299   custom_element_change_events[CE_IMPACT] = FALSE;
8300   custom_element_change_events[CE_SMASHED] = FALSE;
8301   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
8302   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
8303   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
8304   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
8305   custom_element_change_events[custom_element_change.direct_action] =
8306     custom_element_change_events[CE_BY_DIRECT_ACTION];
8307
8308   // set other element action change event from checkbox and selectbox
8309   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
8310   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
8311   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
8312   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
8313   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
8314   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
8315   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
8316   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
8317   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
8318   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
8319   custom_element_change_events[CE_TOUCHING_X] = FALSE;
8320   custom_element_change_events[CE_HITTING_X] = FALSE;
8321   custom_element_change_events[CE_DIGGING_X] = FALSE;
8322   custom_element_change_events[CE_HIT_BY_X] = FALSE;
8323   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
8324   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
8325   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
8326   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
8327   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
8328   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
8329   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
8330   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
8331   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
8332   custom_element_change_events[custom_element_change.other_action] =
8333     custom_element_change_events[CE_BY_OTHER_ACTION];
8334
8335   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
8336     SET_PROPERTY(element, i, custom_element_properties[i]);
8337
8338   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
8339     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
8340
8341   // copy change events also to special level editor variable
8342   custom_element = element_info[element];
8343   custom_element_change = *element_info[element].change;
8344
8345   // needed here to restore runtime value "element_info[element].gfx_element"
8346   InitElementPropertiesGfxElement();
8347 }
8348
8349 static void CopyGroupElementPropertiesToGame(int element)
8350 {
8351   // mark that this group element has been modified
8352   custom_element.modified_settings = TRUE;
8353   level.changed = TRUE;
8354
8355   if (level.use_custom_template)
8356     AskToCopyAndModifyLevelTemplate();
8357
8358   element_info[element] = custom_element;
8359   *element_info[element].group = group_element_info;
8360
8361   // needed here to restore runtime value "element_info[element].gfx_element"
8362   InitElementPropertiesGfxElement();
8363 }
8364
8365 static void CopyClassicElementPropertiesToGame(int element)
8366 {
8367   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
8368     setMoveIntoAcidProperty(&level, element,
8369                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
8370
8371   if (MAYBE_DONT_COLLIDE_WITH(element))
8372     setDontCollideWithProperty(&level, element,
8373                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
8374 }
8375
8376 static void CopyElementPropertiesToGame(int element)
8377 {
8378   if (IS_CUSTOM_ELEMENT(element))
8379     CopyCustomElementPropertiesToGame(element);
8380   else if (IS_GROUP_ELEMENT(element))
8381     CopyGroupElementPropertiesToGame(element);
8382   else
8383     CopyClassicElementPropertiesToGame(element);
8384 }
8385
8386 #if DEBUG
8387 static void CheckElementDescriptions(void)
8388 {
8389   int i;
8390
8391   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
8392     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
8393       Error(ERR_WARN, "no element description file for element '%s'",
8394             EL_NAME(i));
8395 }
8396 #endif
8397
8398 static int getMaxEdFieldX(boolean has_scrollbar)
8399 {
8400   int scrollbar_width = (has_scrollbar ? ED_SCROLLBUTTON_XSIZE : 0);
8401   int sxsize = SXSIZE - scrollbar_width;
8402   int max_ed_fieldx = sxsize / ed_tilesize;
8403
8404   return max_ed_fieldx;
8405 }
8406
8407 static int getMaxEdFieldY(boolean has_scrollbar)
8408 {
8409   int infotext_height = (IN_PIX_FIELD(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY) ?
8410                          INFOTEXT_YSIZE_FULL : 0);
8411   int scrollbar_height = (has_scrollbar ? ED_SCROLLBUTTON_YSIZE : 0);
8412   int sysize = SYSIZE - scrollbar_height - infotext_height;
8413   int max_ed_fieldy = sysize / ed_tilesize;
8414
8415   return max_ed_fieldy;
8416 }
8417
8418 static void InitZoomLevelSettings(int zoom_tilesize)
8419 {
8420   static int last_game_engine_type = GAME_ENGINE_TYPE_UNKNOWN;
8421
8422   if (zoom_tilesize == -1 && level.game_engine_type != last_game_engine_type)
8423   {
8424     ed_tilesize = setup.auto_setup.editor_zoom_tilesize;
8425     ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
8426
8427     // make sure that tile size is always a power of 2
8428     ed_tilesize = (1 << log_2(ed_tilesize));
8429
8430     if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
8431     {
8432       ed_tilesize = DEFAULT_EDITOR_TILESIZE_MM;
8433       ed_tilesize_default = DEFAULT_EDITOR_TILESIZE_MM;
8434     }
8435   }
8436
8437   last_game_engine_type = level.game_engine_type;
8438
8439   // limit zoom tilesize by upper and lower bound
8440   ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
8441
8442   // store zoom tilesize in auto setup file only if it was manually changed
8443   if (zoom_tilesize != -1)
8444     setup.auto_setup.editor_zoom_tilesize = ed_tilesize;
8445
8446   MAX_ED_FIELDX = getMaxEdFieldX(FALSE);
8447   MAX_ED_FIELDY = getMaxEdFieldY(FALSE);
8448 }
8449
8450 static void InitDrawingElements(void)
8451 {
8452   static int game_engine_type_last = GAME_ENGINE_TYPE_UNKNOWN;
8453
8454   if (level.game_engine_type == game_engine_type_last)
8455     return;
8456
8457   if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
8458   {
8459     new_element1 = EL_SP_CHIP_SINGLE;
8460     new_element2 = EL_EMPTY;
8461     new_element3 = EL_SP_BASE;
8462   }
8463   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
8464   {
8465     new_element1 = EL_MM_MIRROR_START;
8466     new_element2 = EL_EMPTY;
8467     new_element3 = EL_MM_WOODEN_WALL;
8468   }
8469   else
8470   {
8471     new_element1 = EL_WALL;
8472     new_element2 = EL_EMPTY;
8473     new_element3 = EL_SAND;
8474   }
8475
8476   game_engine_type_last = level.game_engine_type;
8477 }
8478
8479 static void InitLevelSetInfo(void)
8480 {
8481   snprintf(levelset_name,   MAX_LEVEL_NAME_LEN + 1,
8482            "%s", leveldir_current->name);
8483   snprintf(levelset_author, MAX_LEVEL_AUTHOR_LEN + 1,
8484            "%s", leveldir_current->author);
8485
8486   levelset_num_levels = leveldir_current->levels;
8487
8488   levelset_use_levelset_artwork = FALSE;
8489   levelset_copy_level_template = FALSE;
8490
8491   levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
8492 }
8493
8494 static void ChangeEditorToLevelSet(char *levelset_subdir)
8495 {
8496   leveldir_current = getTreeInfoFromIdentifier(leveldir_first, levelset_subdir);
8497
8498   // the previous level set might have used custom artwork
8499   ReloadCustomArtwork(0);
8500
8501   LoadLevelSetup_SeriesInfo();
8502
8503   SaveLevelSetup_LastSeries();
8504   SaveLevelSetup_SeriesInfo();
8505
8506   TapeErase();
8507
8508   LoadLevel(level_nr);
8509   LoadScore(level_nr);
8510
8511   DrawLevelEd();
8512 }
8513
8514 static boolean useEditorDoorAnimation(void)
8515 {
8516   struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
8517   boolean door_1_viewport_unchanged =
8518     (vp_door_1->x      == DX     &&
8519      vp_door_1->y      == DY     &&
8520      vp_door_1->width  == DXSIZE &&
8521      vp_door_1->height == DYSIZE);
8522   boolean door_1_contains_toolbox =
8523     (EX >= DX &&
8524      EY >= DY &&
8525      EX + EXSIZE <= DX + DXSIZE &&
8526      EY + EYSIZE <= DY + DYSIZE);
8527
8528   return (door_1_viewport_unchanged && door_1_contains_toolbox);
8529 }
8530
8531 static void DrawEditorDoorBackground(int graphic, int x, int y,
8532                                      int width, int height)
8533 {
8534   struct GraphicInfo *g = &graphic_info[graphic];
8535
8536   if (g->bitmap != NULL)
8537     BlitBitmap(g->bitmap, drawto, g->src_x, g->src_y,
8538                MIN(width, g->width), MIN(height, g->height), x, y);
8539   else
8540     ClearRectangle(drawto, x, y, width, height);
8541 }
8542
8543 static void DrawEditorDoorContent(void)
8544 {
8545   // needed for gadgets drawn on background (like palette scrollbar)
8546   SetDoorBackgroundImage(IMG_UNDEFINED);
8547
8548   // copy default editor door content to main double buffer
8549   DrawEditorDoorBackground(IMG_BACKGROUND_PALETTE, DX, DY, DXSIZE, DYSIZE);
8550
8551   // draw bigger door
8552   DrawSpecialEditorDoor();
8553
8554   // draw new control window
8555   DrawEditorDoorBackground(IMG_BACKGROUND_TOOLBOX, EX, EY, EXSIZE, EYSIZE);
8556
8557   // draw all toolbox gadgets to editor doors
8558   MapControlButtons();
8559
8560   // draw all palette gadgets to editor doors
8561   ModifyEditorElementList();
8562   RedrawDrawingElements();
8563
8564   // copy actual editor door content to door double buffer for OpenDoor()
8565   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
8566 }
8567
8568 void DrawLevelEd(void)
8569 {
8570   int fade_mask = REDRAW_FIELD;
8571
8572   FadeSoundsAndMusic();
8573
8574   if (CheckFadeAll())
8575     fade_mask = REDRAW_ALL;
8576
8577   FadeOut(fade_mask);
8578
8579   // needed if different viewport properties defined for editor
8580   ChangeViewportPropertiesIfNeeded();
8581
8582   ClearField();
8583
8584   InitZoomLevelSettings(-1);
8585   InitDrawingElements();
8586   InitLevelSetInfo();
8587
8588 #if DEBUG
8589   CheckElementDescriptions();
8590 #endif
8591
8592   if (level_editor_test_game)
8593   {
8594     CopyPlayfield(level.field, Feld);
8595     CopyPlayfield(FieldBackup, level.field);
8596
8597     level_editor_test_game = FALSE;
8598   }
8599   else
8600   {
8601     edit_mode = ED_MODE_DRAWING;
8602     edit_mode_levelinfo = ED_MODE_LEVELINFO_LEVEL;
8603     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
8604
8605     ResetUndoBuffer();
8606
8607     level_xpos = -1;
8608     level_ypos = -1;
8609   }
8610
8611   // redraw_mask |= REDRAW_ALL;
8612
8613   FreeLevelEditorGadgets();
8614   CreateLevelEditorGadgets();
8615
8616   ReinitializeElementList();            // update dynamic level element list
8617   ReinitializeElementListButtons();     // custom element may look different
8618
8619   InitElementPropertiesGfxElement();
8620
8621   UnmapAllGadgets();
8622
8623   DrawEditModeWindow_PlayfieldOnly();
8624
8625   DrawMaskedBorder(fade_mask);
8626
8627   // use door animation if door 1 viewport is unchanged and contains toolbox
8628   if (useEditorDoorAnimation())
8629   {
8630     FadeIn(fade_mask);
8631
8632     DrawEditorDoorContent();
8633
8634     OpenDoor(DOOR_OPEN_1 | DOOR_FORCE_ANIM);
8635   }
8636   else
8637   {
8638     DrawEditorDoorContent();
8639
8640     FadeIn(fade_mask);
8641   }
8642
8643   SetDoorState(DOOR_OPEN_1 | DOOR_OPEN_2);
8644 }
8645
8646 static void AdjustDrawingAreaGadgets(void)
8647 {
8648   int ed_xsize = lev_fieldx + 2;
8649   int ed_ysize = lev_fieldy + 2;
8650   int max_ed_fieldx = MAX_ED_FIELDX;
8651   int max_ed_fieldy = MAX_ED_FIELDY;
8652   boolean horizontal_scrollbar_needed;
8653   boolean vertical_scrollbar_needed;
8654   int x, y, width, height;
8655
8656   if (suppressBorderElement())
8657   {
8658     ed_xsize = max_ed_fieldx;
8659     ed_ysize = max_ed_fieldy;
8660   }
8661
8662   // check if we need any scrollbars
8663   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
8664   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
8665
8666   // check if we have a smaller editor field because of scrollbars
8667   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
8668   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
8669
8670   // check again if we now need more scrollbars because of less space
8671   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
8672   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
8673
8674   // check if editor field gets even smaller after adding new scrollbars
8675   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
8676   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
8677
8678   ed_fieldx = (ed_xsize > max_ed_fieldx ? max_ed_fieldx : ed_xsize);
8679   ed_fieldy = (ed_ysize > max_ed_fieldy ? max_ed_fieldy : ed_ysize);
8680
8681   x = SX + ed_fieldx * ed_tilesize;
8682   y = SY + ed_fieldy * ed_tilesize;
8683
8684   width  = ed_fieldx * ed_tilesize - 2 * ED_SCROLLBUTTON_XSIZE;
8685   height = ed_fieldy * ed_tilesize - 2 * ED_SCROLLBUTTON_YSIZE;
8686
8687   // adjust drawing area gadget
8688   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
8689                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
8690                GDI_ITEM_SIZE, ed_tilesize, ed_tilesize,
8691                GDI_END);
8692
8693   // adjust horizontal scrollbar gadgets
8694   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LEFT],
8695                GDI_Y, y,
8696                GDI_END);
8697   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT],
8698                GDI_X, x - ED_SCROLLBUTTON_XSIZE,
8699                GDI_Y, y,
8700                GDI_END);
8701   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
8702                GDI_Y, y,
8703                GDI_WIDTH, width,
8704                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
8705                GDI_END);
8706
8707   // adjust vertical scrollbar gadgets
8708   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_UP],
8709                GDI_X, x,
8710                GDI_END);
8711   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN],
8712                GDI_X, x,
8713                GDI_Y, y - ED_SCROLLBUTTON_YSIZE,
8714                GDI_END);
8715   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
8716                GDI_X, x,
8717                GDI_HEIGHT, height,
8718                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
8719                GDI_END);
8720 }
8721
8722 static void AdjustLevelScrollPosition(void)
8723 {
8724   if (level_xpos < -1)
8725     level_xpos = -1;
8726   if (level_xpos > lev_fieldx - ed_fieldx + 1)
8727     level_xpos = lev_fieldx - ed_fieldx + 1;
8728   if (lev_fieldx < ed_fieldx - 2)
8729     level_xpos = -1;
8730
8731   if (level_ypos < -1)
8732     level_ypos = -1;
8733   if (level_ypos > lev_fieldy - ed_fieldy + 1)
8734     level_ypos = lev_fieldy - ed_fieldy + 1;
8735   if (lev_fieldy < ed_fieldy - 2)
8736     level_ypos = -1;
8737
8738   if (suppressBorderElement())
8739   {
8740     level_xpos = 0;
8741     level_ypos = 0;
8742   }
8743 }
8744
8745 static void AdjustEditorScrollbar(int id)
8746 {
8747   struct GadgetInfo *gi = level_editor_gadget[id];
8748   int items_max, items_visible, item_position;
8749
8750   if (id == GADGET_ID_SCROLL_HORIZONTAL)
8751   {
8752     items_max = MAX(lev_fieldx + 2, ed_fieldx);
8753     items_visible = ed_fieldx;
8754     item_position = level_xpos + 1;
8755   }
8756   else
8757   {
8758     items_max = MAX(lev_fieldy + 2, ed_fieldy);
8759     items_visible = ed_fieldy;
8760     item_position = level_ypos + 1;
8761   }
8762
8763   if (item_position > items_max - items_visible)
8764     item_position = items_max - items_visible;
8765
8766   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
8767                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
8768 }
8769
8770 static void AdjustElementListScrollbar(void)
8771 {
8772   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
8773   int items_max, items_visible, item_position;
8774
8775   // correct position of element list scrollbar
8776   if (element_shift < 0)
8777     element_shift = 0;
8778   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
8779     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
8780
8781   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
8782   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
8783   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
8784
8785   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
8786                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
8787                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
8788 }
8789
8790 static void ModifyEditorCounterValue(int counter_id, int new_value)
8791 {
8792   int *counter_value = counterbutton_info[counter_id].value;
8793   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
8794   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8795
8796   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
8797
8798   if (counter_value != NULL)
8799     *counter_value = gi->textinput.number_value;
8800 }
8801
8802 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
8803 {
8804   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
8805   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8806
8807   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
8808
8809   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
8810       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
8811   {
8812     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
8813     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
8814
8815     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
8816     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_SMALL_DISTANCE,
8817                  GDI_END);
8818   }
8819 }
8820
8821 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
8822 {
8823   int gadget_id = selectbox_info[selectbox_id].gadget_id;
8824   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8825   int new_index_value = setSelectboxValue(selectbox_id, new_value);
8826
8827   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
8828 }
8829
8830 static void ModifyEditorSelectboxOptions(int selectbox_id,
8831                                          struct ValueTextInfo *options)
8832 {
8833   int gadget_id = selectbox_info[selectbox_id].gadget_id;
8834   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8835
8836   selectbox_info[selectbox_id].options = options;
8837
8838   // set index to zero -- list may be shorter now (correct later, if needed)
8839   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
8840                GDI_SELECTBOX_OPTIONS, options, GDI_END);
8841 }
8842
8843 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
8844 {
8845   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
8846   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8847
8848   drawingarea_info[drawingarea_id].area_xsize = xsize;
8849   drawingarea_info[drawingarea_id].area_ysize = ysize;
8850
8851   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
8852 }
8853
8854 static void ModifyEditorElementList(void)
8855 {
8856   int i;
8857
8858   if (!use_permanent_palette && edit_mode != ED_MODE_PALETTE)
8859     return;
8860
8861   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
8862   {
8863     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
8864     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8865     struct GadgetDesign *gd = &gi->deco.design;
8866     int element = editor_elements[element_shift + i];
8867     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
8868
8869     UnmapGadget(gi);
8870
8871     getEditorGraphicSource(element, tile_size, &gd->bitmap, &gd->x, &gd->y);
8872
8873     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
8874
8875     MapGadget(gi);
8876   }
8877 }
8878
8879 static void DrawDrawingElementGraphic(int element, struct XYTileSize *pos)
8880 {
8881   int graphic = el2edimg(element);
8882   int tile_size = BUTTON_TILE_SIZE(pos->tile_size);
8883
8884   if (pos->x == -1 &&
8885       pos->y == -1)
8886     return;
8887
8888   DrawSizedGraphicExt(drawto, DX + pos->x, DY + pos->y, graphic, 0, tile_size);
8889 }
8890
8891 static void ModifyDrawingElementButton(int element, int id)
8892 {
8893   struct GadgetInfo *gi = level_editor_gadget[id];
8894   Bitmap *deco_bitmap;
8895   int deco_x, deco_y;
8896   int tile_size = gi->deco.width;
8897
8898   getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
8899
8900   ModifyGadget(gi, GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y, GDI_END);
8901 }
8902
8903 static void PickDrawingElement(int button, int element)
8904 {
8905   struct
8906   {
8907     int *new_element;
8908     struct XYTileSize *pos;
8909     int id;
8910   } de, drawing_elements[] =
8911   {
8912     { &new_element1, &editor.palette.element_left,   GADGET_ID_ELEMENT_LEFT   },
8913     { &new_element2, &editor.palette.element_middle, GADGET_ID_ELEMENT_MIDDLE },
8914     { &new_element3, &editor.palette.element_right,  GADGET_ID_ELEMENT_RIGHT  },
8915   };
8916
8917   if (button < 1 || button > 3)
8918     return;
8919
8920   if (IS_MM_WALL(element))
8921     element = map_mm_wall_element(element);
8922
8923   de = drawing_elements[button - 1];
8924
8925   *de.new_element = element;    // update global drawing element variable
8926
8927   DrawDrawingElementGraphic(element, de.pos);
8928   ModifyDrawingElementButton(element, de.id);
8929
8930   redraw_mask |= REDRAW_DOOR_1;
8931 }
8932
8933 static void RedrawDrawingElements(void)
8934 {
8935   PickDrawingElement(1, new_element1);
8936   PickDrawingElement(2, new_element2);
8937   PickDrawingElement(3, new_element3);
8938 }
8939
8940 static void DrawDrawingWindowExt(boolean remap_toolbox_gadgets)
8941 {
8942   stick_element_properties_window = FALSE;
8943
8944   SetMainBackgroundImage(IMG_UNDEFINED);
8945   ClearField();
8946
8947   UnmapLevelEditorFieldGadgets();
8948
8949   AdjustDrawingAreaGadgets();
8950   AdjustLevelScrollPosition();
8951   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
8952   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
8953
8954   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
8955
8956   MapMainDrawingArea();
8957
8958   if (remap_toolbox_gadgets)
8959   {
8960     UnmapLevelEditorToolboxCustomGadgets();
8961     MapLevelEditorToolboxDrawingGadgets();
8962   }
8963 }
8964
8965 static void DrawDrawingWindow(void)
8966 {
8967   DrawDrawingWindowExt(TRUE);
8968 }
8969
8970 static int getTabulatorBarWidth(void)
8971 {
8972   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
8973   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
8974
8975   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
8976 }
8977
8978 static int getTabulatorBarHeight(void)
8979 {
8980   return ED_TAB_BAR_HEIGHT;
8981 }
8982
8983 static Pixel getTabulatorBarColor(void)
8984 {
8985   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
8986   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
8987   int gd_x = gd->x + gd_gi1->border.width / 2;
8988   int gd_y = gd->y + gd_gi1->height - 1;
8989
8990   return GetPixel(gd->bitmap, gd_x, gd_y);
8991 }
8992
8993 static void DrawLevelInfoTabulatorGadgets(void)
8994 {
8995   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
8996   Pixel tab_color = getTabulatorBarColor();
8997   int id_first = ED_TAB_BUTTON_ID_LEVELINFO_FIRST;
8998   int id_last  = ED_TAB_BUTTON_ID_LEVELINFO_LAST;
8999   int i;
9000
9001   for (i = id_first; i <= id_last; i++)
9002   {
9003     int gadget_id = textbutton_info[i].gadget_id;
9004     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9005     boolean active = (i != edit_mode_levelinfo);
9006
9007     // draw background line below tabulator button
9008     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
9009
9010     // draw solid line below inactive tabulator buttons
9011     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
9012       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
9013                     ED_GADGET_TINY_DISTANCE, tab_color);
9014
9015     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
9016     MapTextbuttonGadget(i);
9017   }
9018
9019   // draw little border line below tabulator buttons
9020   if (tab_color != BLACK_PIXEL)                 // black => transparent
9021     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
9022                   ED_GADGET_TINY_DISTANCE,
9023                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
9024 }
9025
9026 static void DrawPropertiesTabulatorGadgets(void)
9027 {
9028   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
9029   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
9030   int gd_x = gd->x + gd_gi1->border.width / 2;
9031   int gd_y = gd->y + gd_gi1->height - 1;
9032   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
9033   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
9034   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
9035   int i;
9036
9037   // draw two config tabulators for player elements
9038   if (ELEM_IS_PLAYER(properties_element))
9039     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
9040
9041   // draw two config and one "change" tabulator for custom elements
9042   if (IS_CUSTOM_ELEMENT(properties_element))
9043     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
9044
9045   for (i = id_first; i <= id_last; i++)
9046   {
9047     int gadget_id = textbutton_info[i].gadget_id;
9048     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9049     boolean active = (i != edit_mode_properties);
9050
9051     // use "config 1" and "config 2" instead of "config" for players and CEs
9052     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
9053         (ELEM_IS_PLAYER(properties_element) ||
9054          IS_CUSTOM_ELEMENT(properties_element)))
9055       continue;
9056
9057     // draw background line below tabulator button
9058     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
9059
9060     // draw solid line below inactive tabulator buttons
9061     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
9062       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
9063                     ED_GADGET_TINY_DISTANCE, tab_color);
9064
9065     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
9066     MapTextbuttonGadget(i);
9067   }
9068
9069   // draw little border line below tabulator buttons
9070   if (tab_color != BLACK_PIXEL)                 // black => transparent
9071     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
9072                   ED_GADGET_TINY_DISTANCE,
9073                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
9074 }
9075
9076 static void PrintInfoText(char *text, int font_nr, int xpos, int ypos)
9077 {
9078   DrawText(SX + xpos, SY + ypos, text, font_nr);
9079 }
9080
9081 static int PrintElementDescriptionFromFile(char *filename, int font_nr,
9082                                            int xpos, int ypos)
9083 {
9084   int font_width = getFontWidth(font_nr);
9085   int font_height = getFontHeight(font_nr);
9086   int max_chars_per_line = (SXSIZE - 2 * xpos) / font_width;
9087   int max_lines_drawable = (SYSIZE - ypos) / font_height - 1;
9088
9089   return DrawTextFile(SX + xpos, SY + ypos, filename, font_nr,
9090                       max_chars_per_line, -1, max_lines_drawable, 0, -1,
9091                       TRUE, FALSE, FALSE);
9092 }
9093
9094 static void DrawLevelInfoLevel(void)
9095 {
9096   int i;
9097
9098   // draw counter gadgets
9099   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
9100     MapCounterButtons(i);
9101
9102   // draw checkbutton gadgets
9103   for (i = ED_CHECKBUTTON_ID_LEVEL_FIRST; i<= ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
9104     MapCheckbuttonGadget(i);
9105
9106   // draw selectbox gadgets
9107   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
9108     MapSelectboxGadget(i);
9109
9110   // draw text input gadgets
9111   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
9112     MapTextInputGadget(i);
9113 }
9114
9115 static char *getLevelSubdirFromSaveMode(int save_mode)
9116 {
9117   if (save_mode == LEVELSET_SAVE_MODE_CREATE)
9118     return getNewUserLevelSubdir();
9119
9120   return leveldir_current->subdir;
9121 }
9122
9123 static void DrawLevelInfoLevelSet_DirectoryInfo(void)
9124 {
9125   char *directory_text = "Level set directory:";
9126   char *directory_name = getLevelSubdirFromSaveMode(levelset_save_mode);
9127   int font1_nr = FONT_TEXT_1;
9128   int font2_nr = FONT_TEXT_2;
9129   int font1_height = getFontHeight(font1_nr);
9130   int yoffset_above = font1_height + ED_GADGET_LINE_DISTANCE;
9131   int x = ED_LEVEL_SETTINGS_X(0);
9132   int y = ED_LEVEL_SETTINGS_Y(6);
9133
9134   PrintInfoText(directory_text, font1_nr, x, y - yoffset_above);
9135   PrintInfoText(directory_name, font2_nr, x, y);
9136 }
9137
9138 static void DrawLevelInfoLevelSet(void)
9139 {
9140   boolean artwork_exists = checkIfCustomArtworkExistsForCurrentLevelSet();
9141   boolean template_exists = fileExists(getLocalLevelTemplateFilename());
9142   int i;
9143
9144   // draw counter gadgets
9145   for (i = ED_COUNTER_ID_LEVELSET_FIRST; i <= ED_COUNTER_ID_LEVELSET_LAST; i++)
9146     MapCounterButtons(i);
9147
9148   // draw checkbutton gadgets
9149   for (i = ED_CHECKBUTTON_ID_LEVELSET_FIRST; i <= ED_CHECKBUTTON_ID_LEVELSET_LAST; i++)
9150   {
9151     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE ||
9152         (i == ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK && !artwork_exists) ||
9153         (i == ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE  && !template_exists))
9154       continue;
9155
9156     MapCheckbuttonGadget(i);
9157   }
9158
9159   // draw selectbox gadgets
9160   for (i = ED_SELECTBOX_ID_LEVELSET_FIRST; i <= ED_SELECTBOX_ID_LEVELSET_LAST; i++)
9161     MapSelectboxGadget(i);
9162
9163   // draw text input gadgets
9164   for (i = ED_TEXTINPUT_ID_LEVELSET_FIRST; i <= ED_TEXTINPUT_ID_LEVELSET_LAST; i++)
9165     MapTextInputGadget(i);
9166
9167   // draw textbutton gadgets
9168   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_LEVELSET);
9169
9170   // draw info text
9171   DrawLevelInfoLevelSet_DirectoryInfo();
9172 }
9173
9174 static void DrawLevelInfoEditor(void)
9175 {
9176   int i;
9177
9178   // draw counter gadgets
9179   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
9180     MapCounterButtons(i);
9181
9182   // draw checkbutton gadgets
9183   for (i=ED_CHECKBUTTON_ID_EDITOR_FIRST; i<= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
9184     MapCheckbuttonGadget(i);
9185
9186   // draw radiobutton gadgets
9187   for (i=ED_RADIOBUTTON_ID_EDITOR_FIRST; i<= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
9188     MapRadiobuttonGadget(i);
9189
9190   // draw drawing area
9191   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
9192
9193   // draw textbutton gadgets
9194   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2);
9195 }
9196
9197 static void DrawLevelInfoWindow(void)
9198 {
9199   char *text = "Global Settings";
9200   int font_nr = FONT_TITLE_1;
9201   struct MenuPosInfo *pos = &editor.settings.headline;
9202   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font_nr), pos->align);
9203   int sy = SY + pos->y;
9204
9205   stick_element_properties_window = FALSE;
9206
9207   SetAutomaticNumberOfGemsNeeded();
9208
9209   UnmapLevelEditorFieldGadgets();
9210
9211   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
9212   ClearField();
9213
9214   DrawText(sx, sy, text, font_nr);
9215
9216   DrawLevelInfoTabulatorGadgets();
9217
9218   if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVEL)
9219     DrawLevelInfoLevel();
9220   else if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVELSET)
9221     DrawLevelInfoLevelSet();
9222   else if (edit_mode_levelinfo == ED_MODE_LEVELINFO_EDITOR)
9223     DrawLevelInfoEditor();
9224 }
9225
9226 static void DrawCustomContentArea(void)
9227 {
9228   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
9229   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
9230   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
9231   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
9232   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
9233   int xoffset = ED_GADGET_SPACE_DISTANCE;
9234
9235   // add distance for potential left text (without drawing area border)
9236   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
9237
9238   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
9239
9240   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
9241 }
9242
9243 static void DrawCustomChangeContentArea(void)
9244 {
9245   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
9246   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
9247   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
9248   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
9249   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
9250   int xoffset = ED_GADGET_SPACE_DISTANCE;
9251
9252   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
9253
9254   MapDrawingArea(id);
9255 }
9256
9257 static void RemoveElementContentArea(int id, int font_height)
9258 {
9259   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9260
9261   DrawBackground(SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size,
9262                  SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size,
9263                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9264                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size +
9265                  ED_GADGET_TEXT_DISTANCE + font_height);
9266 }
9267
9268 static void DrawYamYamContentAreas(void)
9269 {
9270   int font_nr = FONT_TEXT_1;
9271   int font_height = getFontHeight(font_nr);
9272   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
9273   int yoffset = (tilesize - font_height) / 2;
9274   int x = SX + ED_AREA_YAMYAM_CONTENT_X(3) + 4 * tilesize;
9275   int y = SY + ED_AREA_YAMYAM_CONTENT_Y(3) + yoffset;
9276   int i;
9277
9278   // display counter to choose number of element content areas
9279   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
9280
9281   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
9282   {
9283     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
9284
9285     if (i < level.num_yamyam_contents)
9286     {
9287       MapDrawingArea(id);
9288     }
9289     else
9290     {
9291       UnmapDrawingArea(id);
9292
9293       // delete content areas in case of reducing number of them
9294       RemoveElementContentArea(id, font_height);
9295     }
9296   }
9297
9298   DrawText(x, y + 0 * tilesize, "content", font_nr);
9299   DrawText(x, y + 1 * tilesize, "when",    font_nr);
9300   DrawText(x, y + 2 * tilesize, "smashed", font_nr);
9301 }
9302
9303 static void DrawMagicBallContentAreas(void)
9304 {
9305   int font_nr = FONT_TEXT_1;
9306   int font_height = getFontHeight(font_nr);
9307   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
9308   int yoffset = (tilesize - font_height) / 2;
9309   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_X(3) + 4 * tilesize;
9310   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_Y(3) + yoffset;
9311   int i;
9312
9313   // display counter to choose number of element content areas
9314   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
9315
9316   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
9317   {
9318     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
9319
9320     if (i < level.num_ball_contents)
9321     {
9322       MapDrawingArea(id);
9323     }
9324     else
9325     {
9326       UnmapDrawingArea(id);
9327
9328       // delete content areas in case of reducing number of them
9329       RemoveElementContentArea(id, font_height);
9330     }
9331   }
9332
9333   DrawText(x, y + 0 * tilesize, "generated", font_nr);
9334   DrawText(x, y + 1 * tilesize, "when",      font_nr);
9335   DrawText(x, y + 2 * tilesize, "active",    font_nr);
9336 }
9337
9338 static void DrawAndroidElementArea(int element)
9339 {
9340   int id = ED_DRAWING_ID_ANDROID_CONTENT;
9341   int num_elements = level.num_android_clone_elements;
9342   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9343   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9344   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9345   int xsize = MAX_ANDROID_ELEMENTS;
9346   int ysize = 1;
9347
9348   // display counter to choose number of element areas
9349   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
9350
9351   if (drawingarea_info[id].text_left != NULL)
9352     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9353
9354   UnmapDrawingArea(id);
9355
9356   ModifyEditorDrawingArea(id, num_elements, 1);
9357
9358   // delete content areas in case of reducing number of them
9359   DrawBackground(sx, sy,
9360                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9361                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9362
9363   MapDrawingArea(id);
9364 }
9365
9366 static void DrawGroupElementArea(int element)
9367 {
9368   int id = ED_DRAWING_ID_GROUP_CONTENT;
9369   int num_elements = group_element_info.num_elements;
9370   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9371   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9372   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9373   int xsize = MAX_ELEMENTS_IN_GROUP;
9374   int ysize = 1;
9375
9376   if (drawingarea_info[id].text_left != NULL)
9377     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9378
9379   UnmapDrawingArea(id);
9380
9381   ModifyEditorDrawingArea(id, num_elements, 1);
9382
9383   // delete content areas in case of reducing number of them
9384   DrawBackground(sx, sy,
9385                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9386                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9387
9388   MapDrawingArea(id);
9389 }
9390
9391 static void DrawPlayerInitialInventoryArea(int element)
9392 {
9393   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
9394   int player_nr = GET_PLAYER_NR(element);
9395   int num_elements = level.initial_inventory_size[player_nr];
9396   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9397   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9398   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9399   int xsize = MAX_INITIAL_INVENTORY_SIZE;
9400   int ysize = 1;
9401
9402   // determine horizontal position to the right of specified gadget
9403   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
9404     sx = (right_gadget_border[drawingarea_info[id].gadget_id_align] +
9405           ED_DRAWINGAREA_TEXT_DISTANCE);
9406
9407   // determine horizontal offset for leading text
9408   if (drawingarea_info[id].text_left != NULL)
9409     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9410
9411   UnmapDrawingArea(id);
9412
9413   ModifyEditorDrawingArea(id, num_elements, 1);
9414
9415   // delete content areas in case of reducing number of them
9416   DrawBackground(sx, sy,
9417                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9418                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9419
9420   MapDrawingArea(id);
9421 }
9422
9423 static void DrawEnvelopeTextArea(int envelope_nr)
9424 {
9425   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
9426   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
9427
9428   UnmapGadget(gi);
9429   DrawBackground(gi->x, gi->y, gi->width, gi->height);
9430
9431   if (envelope_nr != -1)
9432     textarea_info[id].value = level.envelope[envelope_nr].text;
9433
9434   ModifyGadget(gi, GDI_AREA_SIZE,
9435                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
9436                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
9437                GDI_END);
9438
9439   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
9440 }
9441
9442 static void DrawPropertiesInfo(void)
9443 {
9444   static struct
9445   {
9446     int value;
9447     char *text;
9448   }
9449   properties[] =
9450   {
9451     // configurable properties
9452
9453     { EP_WALKABLE_OVER,         "- player can walk over it"             },
9454     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
9455     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
9456     { EP_PASSABLE_OVER,         "- player can pass over it"             },
9457     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
9458     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
9459     { EP_PROTECTED,             "- player is protected by it"           },
9460
9461     { EP_DIGGABLE,              "- can be digged away"                  },
9462     { EP_COLLECTIBLE,           "- can be collected"                    },
9463     { EP_DROPPABLE,             "- can be dropped after collecting"     },
9464     { EP_THROWABLE,             "- can be thrown after collecting"      },
9465     { EP_PUSHABLE,              "- can be pushed"                       },
9466
9467     { EP_CAN_FALL,              "- can fall"                            },
9468     { EP_CAN_MOVE,              "- can move"                            },
9469
9470     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
9471 #if 0
9472     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
9473 #endif
9474     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
9475
9476     { EP_SLIPPERY,              "- slippery for falling elements"       },
9477     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
9478
9479     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
9480     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
9481     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
9482     { EP_DONT_TOUCH,            "- deadly when touching"                },
9483
9484     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
9485
9486     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
9487     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
9488     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
9489
9490     { EP_CAN_CHANGE,            "- can change to other element"         },
9491
9492     // pre-defined properties
9493     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
9494     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
9495     { EP_SWITCHABLE,            "- can be switched"                     },
9496 #if 0
9497     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
9498 #endif
9499
9500     { -1,                       NULL                                    }
9501   };
9502   char *filename = getElementDescriptionFilename(properties_element);
9503   char *percentage_text = "In this level: ";
9504   char *properties_text = "Standard properties: ";
9505   char *description_text = "Description:";
9506   char *no_description_text = "No description available.";
9507   char *none_text = "None";
9508   float percentage;
9509   int num_elements_in_level;
9510   int num_standard_properties = 0;
9511   int font1_nr = FONT_TEXT_1;
9512   int font2_nr = FONT_TEXT_2;
9513   int font1_width = getFontWidth(font1_nr);
9514   int font1_height = getFontHeight(font1_nr);
9515   int font2_height = getFontHeight(font2_nr);
9516   int line1_height = font1_height + ED_GADGET_LINE_DISTANCE;
9517   int font2_yoffset = (font1_height - font2_height) / 2;
9518   int percentage_text_len = strlen(percentage_text) * font1_width;
9519   int properties_text_len = strlen(properties_text) * font1_width;
9520   int xpos = ED_ELEMENT_SETTINGS_X(0);
9521   int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
9522   int i, x, y;
9523
9524   if (setup.editor.show_element_token)
9525   {
9526     int font3_nr = FONT_TEXT_3;
9527     int font3_height = getFontHeight(font3_nr);
9528
9529     DrawTextF(xpos, ypos, font3_nr,
9530               "[%s]", element_info[properties_element].token_name);
9531
9532     ypos += 2 * font3_height;
9533   }
9534
9535   // ----- print number of elements / percentage of this element in level
9536
9537   num_elements_in_level = 0;
9538   for (y = 0; y < lev_fieldy; y++)
9539     for (x = 0; x < lev_fieldx; x++)
9540       if (Feld[x][y] == properties_element)
9541         num_elements_in_level++;
9542   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
9543
9544   DrawTextS(xpos, ypos, font1_nr, percentage_text);
9545
9546   if (num_elements_in_level > 0)
9547     DrawTextF(xpos + percentage_text_len, ypos + font2_yoffset, font2_nr,
9548               "%d (%.2f %%)", num_elements_in_level, percentage);
9549   else
9550     DrawTextF(xpos + percentage_text_len, ypos + font2_yoffset, font2_nr,
9551               none_text);
9552
9553   ypos += 2 * MAX(font1_height, font2_height);
9554
9555   // ----- print standard properties of this element
9556
9557   DrawTextS(xpos, ypos, font1_nr, properties_text);
9558
9559   ypos += line1_height;
9560
9561   for (i = 0; properties[i].value != -1; i++)
9562   {
9563     if (!HAS_PROPERTY(properties_element, properties[i].value))
9564       continue;
9565
9566     DrawTextS(xpos, ypos, font2_nr, properties[i].text);
9567
9568     ypos += font2_height;
9569
9570     num_standard_properties++;
9571   }
9572
9573   if (num_standard_properties == 0)
9574   {
9575     DrawTextS(xpos + properties_text_len, ypos - line1_height + font2_yoffset,
9576               font2_nr, none_text);
9577
9578     ypos -= (line1_height - font1_height);
9579   }
9580
9581   ypos += MAX(font1_height, font2_height);
9582
9583   // ----- print special description of this element
9584
9585   PrintInfoText(description_text, font1_nr, xpos, ypos);
9586
9587   ypos += line1_height;
9588
9589   if (PrintElementDescriptionFromFile(filename, font2_nr, xpos, ypos) == 0)
9590     PrintInfoText(no_description_text, font1_nr, xpos, ypos - line1_height);
9591 }
9592
9593 #define TEXT_COLLECTING         "Score for collecting"
9594 #define TEXT_SMASHING           "Score for smashing"
9595 #define TEXT_SLURPING           "Score for slurping robot"
9596 #define TEXT_CRACKING           "Score for cracking"
9597 #define TEXT_AMOEBA_SPEED       "Speed of amoeba growth"
9598 #define TEXT_DURATION           "Duration when activated"
9599 #define TEXT_DELAY_ON           "Delay before activating"
9600 #define TEXT_DELAY_OFF          "Delay before deactivating"
9601 #define TEXT_DELAY_EXPLODING    "Delay before exploding"
9602 #define TEXT_DELAY_MOVING       "Delay before moving"
9603 #define TEXT_BALL_DELAY         "Element generation delay"
9604 #define TEXT_MOVE_SPEED         "Speed of android moving"
9605 #define TEXT_CLONE_SPEED        "Speed of android cloning"
9606 #define TEXT_GAME_OF_LIFE_1     "Min neighbours to survive"
9607 #define TEXT_GAME_OF_LIFE_2     "Max neighbours to survive"
9608 #define TEXT_GAME_OF_LIFE_3     "Min neighbours to create"
9609 #define TEXT_GAME_OF_LIFE_4     "Max neighbours to create"
9610 #define TEXT_TIME_BONUS         "Extra time to solve level"
9611
9612 static struct
9613 {
9614   int element;
9615   int *value;
9616   char *text;
9617 } elements_with_counter[] =
9618 {
9619   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
9620   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
9621   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
9622   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
9623   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
9624   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
9625   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
9626   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
9627   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
9628   { EL_BUG,             &level.score[SC_BUG],           TEXT_SMASHING   },
9629   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
9630   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
9631   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
9632   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
9633   { EL_BD_BUTTERFLY,    &level.score[SC_BUG],           TEXT_SMASHING   },
9634   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
9635   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
9636   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
9637   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
9638   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
9639   { EL_SPACESHIP,       &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9640   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9641   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9642   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9643   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9644   { EL_BD_FIREFLY,      &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9645   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9646   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9647   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9648   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9649   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9650   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9651   { EL_YAMYAM_LEFT,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9652   { EL_YAMYAM_RIGHT,    &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9653   { EL_YAMYAM_UP,       &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9654   { EL_YAMYAM_DOWN,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9655   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9656   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
9657   { EL_PACMAN,          &level.score[SC_PACMAN],        TEXT_SMASHING   },
9658   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
9659   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
9660   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
9661   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
9662   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
9663   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
9664   { EL_EM_DYNAMITE,     &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
9665   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
9666   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],TEXT_COLLECTING },
9667   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],TEXT_COLLECTING },
9668   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
9669   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
9670   { EL_EXTRA_TIME,      &level.extra_time_score,        TEXT_COLLECTING },
9671   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
9672   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
9673   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
9674   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
9675   { EL_EM_KEY_1,        &level.score[SC_KEY],           TEXT_COLLECTING },
9676   { EL_EM_KEY_2,        &level.score[SC_KEY],           TEXT_COLLECTING },
9677   { EL_EM_KEY_3,        &level.score[SC_KEY],           TEXT_COLLECTING },
9678   { EL_EM_KEY_4,        &level.score[SC_KEY],           TEXT_COLLECTING },
9679   { EL_EMC_KEY_5,       &level.score[SC_KEY],           TEXT_COLLECTING },
9680   { EL_EMC_KEY_6,       &level.score[SC_KEY],           TEXT_COLLECTING },
9681   { EL_EMC_KEY_7,       &level.score[SC_KEY],           TEXT_COLLECTING },
9682   { EL_EMC_KEY_8,       &level.score[SC_KEY],           TEXT_COLLECTING },
9683   { EL_DC_KEY_WHITE,    &level.score[SC_KEY],           TEXT_COLLECTING },
9684   { EL_MM_KETTLE,       &level.score[SC_EMERALD],       TEXT_COLLECTING },
9685   { EL_DF_CELL,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
9686   { EL_MM_KEY,          &level.score[SC_KEY],           TEXT_COLLECTING },
9687   { EL_MM_LIGHTBALL,    &level.score[SC_ELEM_BONUS],    TEXT_COLLECTING },
9688   { EL_MM_PACMAN,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
9689   { EL_MM_PACMAN_RIGHT, &level.score[SC_PACMAN],        TEXT_SMASHING   },
9690   { EL_MM_PACMAN_UP,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
9691   { EL_MM_PACMAN_LEFT,  &level.score[SC_PACMAN],        TEXT_SMASHING   },
9692   { EL_MM_PACMAN_DOWN,  &level.score[SC_PACMAN],        TEXT_SMASHING   },
9693   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9694   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9695   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9696   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9697   { EL_EMC_DRIPPER,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9698   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
9699   { EL_BD_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
9700   { EL_DC_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
9701   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
9702
9703   { EL_TIMEGATE_SWITCH,   &level.time_timegate,         TEXT_DURATION   },
9704   { EL_DC_TIMEGATE_SWITCH,&level.time_timegate,         TEXT_DURATION   },
9705   { EL_LIGHT_SWITCH,    &level.time_light,              TEXT_DURATION   },
9706   { EL_LIGHT_SWITCH_ACTIVE, &level.time_light,          TEXT_DURATION   },
9707   { EL_SHIELD_NORMAL,   &level.shield_normal_time,      TEXT_DURATION   },
9708   { EL_SHIELD_DEADLY,   &level.shield_deadly_time,      TEXT_DURATION   },
9709   { EL_EXTRA_TIME,      &level.extra_time,              TEXT_TIME_BONUS },
9710   { EL_TIME_ORB_FULL,   &level.time_orb_time,           TEXT_TIME_BONUS },
9711   { EL_GAME_OF_LIFE,    &level.game_of_life[0],         TEXT_GAME_OF_LIFE_1 },
9712   { EL_GAME_OF_LIFE,    &level.game_of_life[1],         TEXT_GAME_OF_LIFE_2 },
9713   { EL_GAME_OF_LIFE,    &level.game_of_life[2],         TEXT_GAME_OF_LIFE_3 },
9714   { EL_GAME_OF_LIFE,    &level.game_of_life[3],         TEXT_GAME_OF_LIFE_4 },
9715   { EL_BIOMAZE,         &level.biomaze[0],              TEXT_GAME_OF_LIFE_1 },
9716   { EL_BIOMAZE,         &level.biomaze[1],              TEXT_GAME_OF_LIFE_2 },
9717   { EL_BIOMAZE,         &level.biomaze[2],              TEXT_GAME_OF_LIFE_3 },
9718   { EL_BIOMAZE,         &level.biomaze[3],              TEXT_GAME_OF_LIFE_4 },
9719
9720   { EL_EMC_ANDROID,     &level.android_move_time,       TEXT_MOVE_SPEED },
9721   { EL_EMC_ANDROID,     &level.android_clone_time,      TEXT_CLONE_SPEED },
9722   { EL_EMC_MAGIC_BALL,  &level.ball_time,               TEXT_BALL_DELAY },
9723   { EL_EMC_LENSES,      &level.lenses_score,            TEXT_COLLECTING },
9724   { EL_EMC_MAGNIFIER,   &level.magnify_score,           TEXT_COLLECTING },
9725   { EL_SPRING,          &level.slurp_score,             TEXT_SLURPING   },
9726   { EL_EMC_LENSES,      &level.lenses_time,             TEXT_DURATION   },
9727   { EL_EMC_MAGNIFIER,   &level.magnify_time,            TEXT_DURATION   },
9728   { EL_MM_FUSE_ACTIVE,  &level.mm_time_fuse,            TEXT_DELAY_OFF  },
9729   { EL_MM_BOMB,         &level.mm_time_bomb,            TEXT_DELAY_EXPLODING },
9730   { EL_MM_GRAY_BALL,    &level.mm_time_ball,            TEXT_DELAY_ON   },
9731   { EL_MM_STEEL_BLOCK,  &level.mm_time_block,           TEXT_DELAY_MOVING },
9732   { EL_MM_WOODEN_BLOCK, &level.mm_time_block,           TEXT_DELAY_MOVING },
9733
9734   { -1,                 NULL,                           NULL            }
9735 };
9736
9737 static boolean checkPropertiesConfig(int element)
9738 {
9739   int i;
9740
9741   if (IS_GEM(element) ||
9742       IS_CUSTOM_ELEMENT(element) ||
9743       IS_GROUP_ELEMENT(element) ||
9744       IS_BALLOON_ELEMENT(element) ||
9745       IS_ENVELOPE(element) ||
9746       IS_MM_MCDUFFIN(element) ||
9747       IS_DF_LASER(element) ||
9748       ELEM_IS_PLAYER(element) ||
9749       HAS_EDITOR_CONTENT(element) ||
9750       CAN_GROW(element) ||
9751       COULD_MOVE_INTO_ACID(element) ||
9752       MAYBE_DONT_COLLIDE_WITH(element) ||
9753       element == EL_SOKOBAN_OBJECT ||
9754       element == EL_SOKOBAN_FIELD_EMPTY ||
9755       element == EL_SOKOBAN_FIELD_FULL)
9756     return TRUE;
9757   else
9758     for (i = 0; elements_with_counter[i].element != -1; i++)
9759       if (elements_with_counter[i].element == element)
9760         return TRUE;
9761
9762   return FALSE;
9763 }
9764
9765 static void SetAutomaticNumberOfGemsNeeded(void)
9766 {
9767   int x, y;
9768
9769   if (!level.auto_count_gems)
9770     return;
9771
9772   level.gems_needed = 0;
9773
9774   for (x = 0; x < lev_fieldx; x++)
9775   {
9776     for (y = 0; y < lev_fieldy; y++)
9777     {
9778       int element = Feld[x][y];
9779
9780       switch (element)
9781       {
9782         case EL_EMERALD:
9783         case EL_EMERALD_YELLOW:
9784         case EL_EMERALD_RED:
9785         case EL_EMERALD_PURPLE:
9786         case EL_BD_DIAMOND:
9787         case EL_WALL_EMERALD:
9788         case EL_WALL_EMERALD_YELLOW:
9789         case EL_WALL_EMERALD_RED:
9790         case EL_WALL_EMERALD_PURPLE:
9791         case EL_WALL_BD_DIAMOND:
9792         case EL_NUT:
9793         case EL_SP_INFOTRON:
9794         case EL_MM_KETTLE:
9795         case EL_DF_CELL:
9796           level.gems_needed++;
9797           break;
9798
9799         case EL_DIAMOND:
9800         case EL_WALL_DIAMOND:
9801           level.gems_needed += 3;
9802           break;
9803
9804         case EL_PEARL:
9805         case EL_WALL_PEARL:
9806           level.gems_needed += 5;
9807           break;
9808
9809         case EL_CRYSTAL:
9810         case EL_WALL_CRYSTAL:
9811           level.gems_needed += 8;
9812           break;
9813
9814         default:
9815           break;
9816       }
9817     }
9818   }
9819
9820   ModifyEditorCounterValue(ED_COUNTER_ID_LEVEL_GEMSLIMIT, level.gems_needed);
9821 }
9822
9823 static void DrawPropertiesConfig(void)
9824 {
9825   boolean draw_footer_line = FALSE;
9826   int max_num_element_counters = 4;
9827   int num_element_counters = 0;
9828   int i;
9829
9830   if (!checkPropertiesConfig(properties_element))
9831   {
9832     int xpos = ED_ELEMENT_SETTINGS_X(0);
9833     int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
9834
9835     PrintInfoText("No configuration options available.",
9836                   FONT_TEXT_1, xpos, ypos);
9837
9838     return;
9839   }
9840
9841   // check if there are elements where a value can be chosen for
9842   for (i = 0; elements_with_counter[i].element != -1; i++)
9843   {
9844     if (elements_with_counter[i].element == properties_element)
9845     {
9846       int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
9847
9848       counterbutton_info[counter_id].y =
9849         ED_ELEMENT_SETTINGS_YPOS(
9850                 (HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
9851                 (CAN_GROW(properties_element)                ? 1 : 0) +
9852                 (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
9853                 (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
9854                 (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
9855                 num_element_counters);
9856
9857       counterbutton_info[counter_id].value = elements_with_counter[i].value;
9858       counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
9859
9860       if (properties_element == EL_GAME_OF_LIFE ||
9861           properties_element == EL_BIOMAZE)
9862       {
9863         counterbutton_info[counter_id].min_value = 0;   // min neighbours
9864         counterbutton_info[counter_id].max_value = 8;   // max neighbours
9865       }
9866       else
9867       {
9868         // !!! CHANGE THIS FOR CERTAIN ELEMENTS !!!
9869         counterbutton_info[counter_id].min_value = MIN_SCORE;
9870         counterbutton_info[counter_id].max_value = MAX_SCORE;
9871       }
9872
9873       MapCounterButtons(counter_id);
9874
9875       num_element_counters++;
9876       if (num_element_counters >= max_num_element_counters)
9877         break;
9878     }
9879   }
9880
9881   if (HAS_EDITOR_CONTENT(properties_element))
9882   {
9883     // draw stickybutton gadget
9884     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9885
9886     if (IS_AMOEBOID(properties_element))
9887       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
9888     else if (properties_element == EL_YAMYAM ||
9889              properties_element == EL_YAMYAM_LEFT ||
9890              properties_element == EL_YAMYAM_RIGHT ||
9891              properties_element == EL_YAMYAM_UP ||
9892              properties_element == EL_YAMYAM_DOWN)
9893       DrawYamYamContentAreas();
9894     else if (properties_element == EL_EMC_MAGIC_BALL)
9895     {
9896       DrawMagicBallContentAreas();
9897
9898       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
9899       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE);
9900     }
9901     else if (properties_element == EL_EMC_ANDROID)
9902       DrawAndroidElementArea(properties_element);
9903   }
9904
9905   if (ELEM_IS_PLAYER(properties_element))
9906   {
9907     int player_nr = GET_PLAYER_NR(properties_element);
9908
9909     // these properties can be set for every player individually
9910
9911     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
9912     {
9913       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
9914         &level.start_element[player_nr];
9915       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
9916         &level.artwork_element[player_nr];
9917       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
9918         &level.explosion_element[player_nr];
9919
9920       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
9921         &level.use_start_element[player_nr];
9922       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
9923         &level.use_artwork_element[player_nr];
9924       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
9925         &level.use_explosion_element[player_nr];
9926       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
9927         &level.initial_player_gravity[player_nr];
9928
9929       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
9930         &level.initial_player_stepsize[player_nr];
9931
9932       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
9933       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
9934                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
9935                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
9936       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
9937       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
9938       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
9939       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
9940       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_LAZY_RELOCATION);
9941       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
9942       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
9943       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
9944       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
9945       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
9946       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER);
9947
9948       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
9949       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
9950       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
9951
9952       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
9953     }
9954     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
9955     {
9956       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
9957         &level.initial_inventory_content[player_nr][0];
9958
9959       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
9960         &level.initial_inventory_size[player_nr];
9961
9962       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
9963         &level.use_initial_inventory[player_nr];
9964
9965       // draw checkbutton gadgets
9966       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
9967
9968       // draw counter gadgets
9969       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
9970
9971       // draw drawing area gadgets
9972       DrawPlayerInitialInventoryArea(properties_element);
9973     }
9974   }
9975
9976   if (IS_GEM(properties_element))
9977     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
9978
9979   if (properties_element == EL_EM_DYNAMITE)
9980     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
9981
9982   if (COULD_MOVE_INTO_ACID(properties_element) &&
9983       !ELEM_IS_PLAYER(properties_element) &&
9984       (!IS_CUSTOM_ELEMENT(properties_element) ||
9985        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
9986   {
9987     // set position for checkbutton for "can move into acid"
9988     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
9989       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
9990     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
9991       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 6 :
9992                                IS_BALLOON_ELEMENT(properties_element) ||
9993                                HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
9994
9995     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
9996   }
9997
9998   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
9999     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
10000
10001   if (properties_element == EL_SPRING)
10002     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
10003
10004   if (properties_element == EL_TIME_ORB_FULL)
10005     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
10006
10007   if (properties_element == EL_GAME_OF_LIFE ||
10008       properties_element == EL_BIOMAZE)
10009     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_LIFE_BUGS);
10010
10011   if (CAN_GROW(properties_element))
10012   {
10013     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
10014       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
10015
10016     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
10017   }
10018
10019   if (properties_element == EL_SOKOBAN_FIELD_EMPTY)
10020     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED);
10021
10022   if (properties_element == EL_SOKOBAN_OBJECT)
10023     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED);
10024
10025   if (properties_element == EL_SOKOBAN_OBJECT ||
10026       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
10027       properties_element == EL_SOKOBAN_FIELD_FULL)
10028   {
10029     checkbutton_info[ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN].y =
10030       ED_ELEMENT_SETTINGS_XPOS(properties_element == EL_SOKOBAN_FIELD_FULL ?
10031                                0 : 1);
10032
10033     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
10034   }
10035
10036   if (IS_BALLOON_ELEMENT(properties_element))
10037     MapSelectboxGadget(ED_SELECTBOX_ID_WIND_DIRECTION);
10038
10039   if (IS_ENVELOPE(properties_element))
10040   {
10041     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
10042     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
10043     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
10044     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
10045     int envelope_nr = properties_element - EL_ENVELOPE_1;
10046
10047     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
10048     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
10049
10050     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
10051     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
10052
10053     // display counter to choose size of envelope text area
10054     MapCounterButtons(counter1_id);
10055     MapCounterButtons(counter2_id);
10056
10057     // display checkbuttons to choose auto-wrap and alignment properties
10058     MapCheckbuttonGadget(button1_id);
10059     MapCheckbuttonGadget(button2_id);
10060
10061     DrawEnvelopeTextArea(envelope_nr);
10062   }
10063
10064   if (IS_MM_MCDUFFIN(properties_element))
10065   {
10066     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_RED);
10067     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_GREEN);
10068     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_BLUE);
10069   }
10070
10071   if (IS_DF_LASER(properties_element))
10072   {
10073     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_RED);
10074     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_GREEN);
10075     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_BLUE);
10076   }
10077
10078   if (IS_CUSTOM_ELEMENT(properties_element))
10079   {
10080     // draw stickybutton gadget
10081     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
10082
10083     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
10084     {
10085       // draw checkbutton gadgets
10086       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
10087            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
10088         MapCheckbuttonGadget(i);
10089
10090       // draw counter gadgets
10091       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
10092            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
10093         MapCounterButtons(i);
10094
10095       // draw selectbox gadgets
10096       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
10097            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
10098         MapSelectboxGadget(i);
10099
10100       // draw textbutton gadgets
10101       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
10102
10103       // draw text input gadgets
10104       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
10105
10106       // draw drawing area gadgets
10107       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
10108
10109       draw_footer_line = TRUE;
10110     }
10111     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
10112     {
10113       // draw checkbutton gadgets
10114       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
10115            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
10116         MapCheckbuttonGadget(i);
10117
10118       // draw counter gadgets
10119       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
10120            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
10121         MapCounterButtons(i);
10122
10123       // draw selectbox gadgets
10124       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
10125            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
10126         MapSelectboxGadget(i);
10127
10128       // draw drawing area gadgets
10129       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
10130       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
10131       DrawCustomContentArea();
10132     }
10133   }
10134   else if (IS_GROUP_ELEMENT(properties_element))
10135   {
10136     // draw stickybutton gadget
10137     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
10138
10139     // draw checkbutton gadgets
10140     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
10141     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
10142
10143     // draw counter gadgets
10144     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
10145
10146     // draw selectbox gadgets
10147     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
10148
10149     // draw textbutton gadgets
10150     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
10151
10152     // draw drawing area gadgets
10153     DrawGroupElementArea(properties_element);
10154
10155     // draw text input gadgets
10156     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
10157
10158     // draw drawing area gadgets
10159     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
10160
10161     draw_footer_line = TRUE;
10162   }
10163
10164   // draw little footer border line above CE/GE use/save template gadgets
10165   if (draw_footer_line)
10166   {
10167     struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
10168     struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
10169     int gd_x = gd->x + gd_gi1->border.width / 2;
10170     int gd_y = gd->y + gd_gi1->height - 1;
10171     Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
10172
10173     if (tab_color != BLACK_PIXEL)               // black => transparent
10174       FillRectangle(drawto,
10175                     SX + ED_ELEMENT_SETTINGS_X(0),
10176                     SY + ED_ELEMENT_SETTINGS_Y(14) - ED_SETTINGS_TABS_YOFFSET -
10177                     ED_TAB_BAR_HEIGHT,
10178                     getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
10179   }
10180 }
10181
10182 static void DrawPropertiesChangeDrawingAreas(void)
10183 {
10184   if (IS_CUSTOM_ELEMENT(properties_element))
10185   {
10186     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
10187     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
10188     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
10189
10190     DrawCustomChangeContentArea();
10191   }
10192
10193   redraw_mask |= REDRAW_FIELD;
10194 }
10195
10196 static void DrawPropertiesChange(void)
10197 {
10198   int i;
10199
10200   // needed to initially set selectbox options for special action options
10201   setSelectboxSpecialActionOptions();
10202
10203   // draw stickybutton gadget
10204   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
10205
10206   // draw checkbutton gadgets
10207   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
10208        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
10209     MapCheckbuttonGadget(i);
10210
10211   // draw counter gadgets
10212   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
10213        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
10214     MapCounterButtons(i);
10215
10216   // draw selectbox gadgets
10217   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
10218        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
10219     MapSelectboxGadget(i);
10220
10221   // draw textbutton gadgets
10222   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
10223        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
10224     MapTextbuttonGadget(i);
10225
10226   // draw graphicbutton gadgets
10227   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
10228        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
10229     MapGraphicbuttonGadget(i);
10230
10231   // draw drawing area gadgets
10232   DrawPropertiesChangeDrawingAreas();
10233 }
10234
10235 static void DrawEditorElementAnimation(int x, int y)
10236 {
10237   int graphic = el2img(properties_element);
10238   int frame = (ANIM_MODE(graphic) == ANIM_CE_VALUE ?
10239                custom_element.ce_value_fixed_initial :
10240                ANIM_MODE(graphic) == ANIM_CE_SCORE ?
10241                custom_element.collect_score_initial : FrameCounter);
10242
10243   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
10244 }
10245
10246 static void DrawEditorElementName(int x, int y, int font_nr)
10247 {
10248   char *element_name = getElementInfoText(properties_element);
10249   int font_width = getFontWidth(font_nr);
10250   int font_height = getFontHeight(font_nr);
10251   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_X(0);
10252   int max_chars_per_line = max_text_width / font_width;
10253   char buffer[max_chars_per_line + 1];
10254
10255   if (strlen(element_name) <= max_chars_per_line)
10256     DrawTextS(x, y, font_nr, element_name);
10257   else
10258   {
10259     int next_pos = max_chars_per_line;
10260
10261     strncpy(buffer, element_name, max_chars_per_line);
10262     buffer[max_chars_per_line] = '\0';
10263
10264     if (element_name[max_chars_per_line] == ' ')
10265       next_pos++;
10266     else
10267     {
10268       int i;
10269
10270       for (i = max_chars_per_line - 1; i >= 0; i--)
10271         if (buffer[i] == ' ')
10272           break;
10273
10274       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
10275       {
10276         buffer[i] = '\0';
10277         next_pos = i + 1;
10278       }
10279     }
10280
10281     DrawTextS(x, y - font_height / 2, font_nr, buffer);
10282
10283     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
10284     buffer[max_chars_per_line] = '\0';
10285
10286     DrawTextS(x, y + font_height / 2, font_nr, buffer);
10287   }
10288 }
10289
10290 static void DrawPropertiesWindow(void)
10291 {
10292   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
10293   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
10294   int border_size = gd->border_size;
10295   int font_nr = FONT_TEXT_1;
10296   int font_height = getFontHeight(font_nr);
10297   int xoffset = TILEX + element_border + 3 * border_size;
10298   int yoffset = (TILEY - font_height) / 2;
10299   int x1 = editor.settings.element_graphic.x + element_border;
10300   int y1 = editor.settings.element_graphic.y + element_border;
10301   int x2 = (editor.settings.element_name.x == -1 ? x1 + xoffset :
10302             editor.settings.element_name.x);
10303   int y2 = (editor.settings.element_name.y == -1 ? y1 + yoffset :
10304             editor.settings.element_name.y);
10305   char *text = "Element Settings";
10306   int font2_nr = FONT_TITLE_1;
10307   struct MenuPosInfo *pos = &editor.settings.headline;
10308   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font2_nr), pos->align);
10309   int sy = SY + pos->y;
10310
10311   stick_element_properties_window = FALSE;
10312
10313   // make sure that previous properties edit mode exists for this element
10314   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
10315       !IS_CUSTOM_ELEMENT(properties_element))
10316     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
10317
10318   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
10319       !ELEM_IS_PLAYER(properties_element) &&
10320       !IS_CUSTOM_ELEMENT(properties_element))
10321     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
10322
10323   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
10324       (ELEM_IS_PLAYER(properties_element) ||
10325        IS_CUSTOM_ELEMENT(properties_element)))
10326     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
10327
10328   CopyElementPropertiesToEditor(properties_element);
10329
10330   UnmapLevelEditorFieldGadgets();
10331   UnmapLevelEditorToolboxDrawingGadgets();
10332   UnmapLevelEditorToolboxCustomGadgets();
10333
10334   if (IS_CUSTOM_ELEMENT(properties_element) ||
10335       IS_GROUP_ELEMENT(properties_element))
10336     MapLevelEditorToolboxCustomGadgets();
10337
10338   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
10339   ClearField();
10340
10341   DrawText(sx, sy, text, font2_nr);
10342
10343   FrameCounter = 0;     // restart animation frame counter
10344
10345   DrawElementBorder(SX + x1, SY + y1, TILEX, TILEY, FALSE);
10346   DrawEditorElementAnimation(SX + x1, SY + y1);
10347   DrawEditorElementName(x2, y2, font_nr);
10348
10349   DrawPropertiesTabulatorGadgets();
10350
10351   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
10352     DrawPropertiesInfo();
10353   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
10354     DrawPropertiesChange();
10355   else  // (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2])
10356     DrawPropertiesConfig();
10357 }
10358
10359 static void DrawPaletteWindow(void)
10360 {
10361   int i;
10362
10363   UnmapLevelEditorFieldGadgets();
10364
10365   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
10366   ClearField();
10367
10368   // map buttons to select elements
10369   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
10370     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
10371   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
10372   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
10373   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
10374 }
10375
10376 static void UpdateCustomElementGraphicGadgets(void)
10377 {
10378   int i;
10379
10380   InitElementPropertiesGfxElement();
10381
10382   ModifyEditorElementList();
10383   RedrawDrawingElements();
10384
10385   // force redraw of all mapped drawing area gadgets
10386   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
10387   {
10388     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
10389
10390     if (gi->mapped)
10391       MapDrawingArea(i);
10392   }
10393 }
10394
10395 static int getOpenDirectionFromTube(int element)
10396 {
10397   switch (element)
10398   {
10399     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
10400     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
10401     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
10402     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
10403     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
10404     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
10405     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
10406     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
10407     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
10408     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
10409     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
10410   }
10411
10412   return MV_NONE;
10413 }
10414
10415 static int getTubeFromOpenDirection(int direction)
10416 {
10417   switch (direction)
10418   {
10419     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
10420     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
10421     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
10422     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
10423     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
10424     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
10425     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
10426     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
10427     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
10428     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
10429     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
10430
10431     // if only one direction, fall back to simple tube with that direction
10432     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
10433     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
10434     case (MV_UP):                       return EL_TUBE_VERTICAL;
10435     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
10436   }
10437
10438   return EL_EMPTY;
10439 }
10440
10441 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
10442 {
10443   int element_new = getTubeFromOpenDirection(direction);
10444
10445   return (element_new != EL_EMPTY ? element_new : element_old);
10446 }
10447
10448 static int getOpenDirectionFromBelt(int element)
10449 {
10450   int belt_dir = getBeltDirFromBeltElement(element);
10451
10452   return (belt_dir == MV_LEFT ? MV_RIGHT :
10453           belt_dir == MV_RIGHT ? MV_LEFT :
10454           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
10455 }
10456
10457 static int getBeltFromNrAndOpenDirection(int nr, int direction)
10458 {
10459   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
10460                   direction == MV_RIGHT ? MV_LEFT :
10461                   direction == MV_HORIZONTAL ? MV_NONE : direction);
10462
10463   if (direction == MV_NONE)
10464     return EL_EMPTY;
10465
10466   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
10467 }
10468
10469 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
10470                                                  int element_old)
10471 {
10472   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
10473
10474   return (element_new != EL_EMPTY ? element_new : element_old);
10475 }
10476
10477 static int getOpenDirectionFromPool(int element)
10478 {
10479   switch (element)
10480   {
10481     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
10482     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
10483     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
10484     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
10485     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
10486     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
10487   }
10488
10489   return MV_NONE;
10490 }
10491
10492 static int getPoolFromOpenDirection(int direction)
10493 {
10494   switch (direction)
10495   {
10496     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
10497     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
10498     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
10499     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
10500     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
10501     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
10502   }
10503
10504   return EL_EMPTY;
10505 }
10506
10507 static int getPoolFromOpenDirectionExt(int direction, int help_element)
10508 {
10509   int element = getPoolFromOpenDirection(direction);
10510   int help_direction = getOpenDirectionFromPool(help_element);
10511
10512   if (element == EL_EMPTY)
10513   {
10514     int help_direction_vertical = help_direction & MV_VERTICAL;
10515
10516     element = getPoolFromOpenDirection(direction | help_direction_vertical);
10517   }
10518
10519   if (element == EL_EMPTY)
10520   {
10521     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
10522
10523     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
10524   }
10525
10526   return element;
10527 }
10528
10529 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
10530 {
10531   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
10532
10533   return (element_new != EL_EMPTY ? element_new : element_old);
10534 }
10535
10536 static int getOpenDirectionFromPillar(int element)
10537 {
10538   switch (element)
10539   {
10540     case EL_EMC_WALL_1:                 return (MV_DOWN);
10541     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
10542     case EL_EMC_WALL_3:                 return (MV_UP);
10543   }
10544
10545   return MV_NONE;
10546 }
10547
10548 static int getPillarFromOpenDirection(int direction)
10549 {
10550   switch (direction)
10551   {
10552     case (MV_DOWN):                     return EL_EMC_WALL_1;
10553     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
10554     case (MV_UP):                       return EL_EMC_WALL_3;
10555   }
10556
10557   return EL_EMPTY;
10558 }
10559
10560 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
10561 {
10562   int element_new = getPillarFromOpenDirection(direction);
10563
10564   return (element_new != EL_EMPTY ? element_new : element_old);
10565 }
10566
10567 static int getOpenDirectionFromSteel2(int element)
10568 {
10569   switch (element)
10570   {
10571     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
10572     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
10573     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
10574     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
10575     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
10576     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
10577     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
10578     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
10579   }
10580
10581   return MV_NONE;
10582 }
10583
10584 static int getSteel2FromOpenDirection(int direction)
10585 {
10586   switch (direction)
10587   {
10588     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
10589     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
10590     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
10591     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
10592     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
10593     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
10594     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
10595     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
10596   }
10597
10598   return EL_EMPTY;
10599 }
10600
10601 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
10602 {
10603   int element_new = getSteel2FromOpenDirection(direction);
10604
10605   return (element_new != EL_EMPTY ? element_new : element_old);
10606 }
10607
10608 static int getOpenDirectionFromChip(int element)
10609 {
10610   switch (element)
10611   {
10612     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
10613     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
10614     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
10615     case EL_SP_CHIP_TOP:                return (MV_DOWN);
10616     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
10617   }
10618
10619   return MV_NONE;
10620 }
10621
10622 static int getChipFromOpenDirection(int direction)
10623 {
10624   switch (direction)
10625   {
10626     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
10627     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
10628     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
10629     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
10630     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
10631   }
10632
10633   return EL_EMPTY;
10634 }
10635
10636 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
10637 {
10638   int element_new = getChipFromOpenDirection(direction);
10639
10640   return (element_new != EL_EMPTY ? element_new : element_old);
10641 }
10642
10643 static int getClosedTube(int x, int y)
10644 {
10645   static int xy[4][2] =
10646   {
10647     { -1, 0 },
10648     { +1, 0 },
10649     { 0, -1 },
10650     { 0, +1 }
10651   };
10652   int element_old = IntelliDrawBuffer[x][y];
10653   int direction_old = getOpenDirectionFromTube(element_old);
10654   int direction_new = MV_NONE;
10655   int i;
10656
10657   for (i = 0; i < NUM_DIRECTIONS; i++)
10658   {
10659     int xx = x + xy[i][0];
10660     int yy = y + xy[i][1];
10661     int dir = MV_DIR_FROM_BIT(i);
10662     int dir_opposite = MV_DIR_OPPOSITE(dir);
10663
10664     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
10665         (direction_old & dir) &&
10666         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10667       direction_new |= dir;
10668   }
10669
10670   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
10671 }
10672
10673 static int getClosedBelt(int x, int y)
10674 {
10675   static int xy[4][2] =
10676   {
10677     { -1, 0 },
10678     { +1, 0 },
10679     { 0, -1 },
10680     { 0, +1 }
10681   };
10682   int element_old = IntelliDrawBuffer[x][y];
10683   int nr = getBeltNrFromBeltElement(element_old);
10684   int direction_old = getOpenDirectionFromBelt(element_old);
10685   int direction_new = MV_NONE;
10686   int i;
10687
10688   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
10689   {
10690     int xx = x + xy[i][0];
10691     int yy = y + xy[i][1];
10692     int dir = MV_DIR_FROM_BIT(i);
10693     int dir_opposite = MV_DIR_OPPOSITE(dir);
10694
10695     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
10696         (direction_old & dir) &&
10697         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10698       direction_new |= dir;
10699   }
10700
10701   return getBeltFromNrAndOpenDirection(nr, direction_new);
10702 }
10703
10704 static int getClosedPool(int x, int y)
10705 {
10706   static int xy[4][2] =
10707   {
10708     { -1, 0 },
10709     { +1, 0 },
10710     { 0, -1 },
10711     { 0, +1 }
10712   };
10713   int element_old = IntelliDrawBuffer[x][y];
10714   int direction_old = getOpenDirectionFromPool(element_old);
10715   int direction_new = MV_NONE;
10716   int i;
10717
10718   for (i = 0; i < NUM_DIRECTIONS; i++)
10719   {
10720     int xx = x + xy[i][0];
10721     int yy = y + xy[i][1];
10722     int dir = MV_DIR_FROM_BIT(i);
10723     int dir_opposite = MV_DIR_OPPOSITE(dir);
10724
10725     if (IN_LEV_FIELD(xx, yy) &&
10726         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
10727         (direction_old & dir) &&
10728         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10729       direction_new |= dir;
10730   }
10731
10732   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
10733 }
10734
10735 static int getClosedPillar(int x, int y)
10736 {
10737   static int xy[4][2] =
10738   {
10739     { -1, 0 },
10740     { +1, 0 },
10741     { 0, -1 },
10742     { 0, +1 }
10743   };
10744   int element_old = IntelliDrawBuffer[x][y];
10745   int direction_old = getOpenDirectionFromPillar(element_old);
10746   int direction_new = MV_NONE;
10747   int i;
10748
10749   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
10750   {
10751     int xx = x + xy[i][0];
10752     int yy = y + xy[i][1];
10753     int dir = MV_DIR_FROM_BIT(i);
10754     int dir_opposite = MV_DIR_OPPOSITE(dir);
10755
10756     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
10757         (direction_old & dir) &&
10758         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10759       direction_new |= dir;
10760   }
10761
10762   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
10763 }
10764
10765 static int getClosedSteel2(int x, int y)
10766 {
10767   static int xy[4][2] =
10768   {
10769     { -1, 0 },
10770     { +1, 0 },
10771     { 0, -1 },
10772     { 0, +1 }
10773   };
10774   int element_old = IntelliDrawBuffer[x][y];
10775   int direction_old = getOpenDirectionFromSteel2(element_old);
10776   int direction_new = MV_NONE;
10777   int i;
10778
10779   for (i = 0; i < NUM_DIRECTIONS; i++)
10780   {
10781     int xx = x + xy[i][0];
10782     int yy = y + xy[i][1];
10783     int dir = MV_DIR_FROM_BIT(i);
10784     int dir_opposite = MV_DIR_OPPOSITE(dir);
10785
10786     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
10787         (direction_old & dir) &&
10788         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10789       direction_new |= dir;
10790   }
10791
10792   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
10793 }
10794
10795 static int getClosedChip(int x, int y)
10796 {
10797   static int xy[4][2] =
10798   {
10799     { -1, 0 },
10800     { +1, 0 },
10801     { 0, -1 },
10802     { 0, +1 }
10803   };
10804   int element_old = IntelliDrawBuffer[x][y];
10805   int direction_old = getOpenDirectionFromChip(element_old);
10806   int direction_new = MV_NONE;
10807   int i;
10808
10809   for (i = 0; i < NUM_DIRECTIONS; i++)
10810   {
10811     int xx = x + xy[i][0];
10812     int yy = y + xy[i][1];
10813     int dir = MV_DIR_FROM_BIT(i);
10814     int dir_opposite = MV_DIR_OPPOSITE(dir);
10815
10816     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
10817         (direction_old & dir) &&
10818         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10819       direction_new |= dir;
10820   }
10821
10822   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
10823 }
10824
10825 static void SetElementSimpleExt(int x, int y, int dx, int dy, int element,
10826                                 boolean change_level)
10827 {
10828   int sx = x - level_xpos;
10829   int sy = y - level_ypos;
10830   int old_element = Feld[x][y];
10831   int new_element = element;
10832   unsigned int new_bitmask = (getDrawModeHiRes() ? (dx + 1) << (dy * 2) : 0x0f);
10833   boolean draw_masked = FALSE;
10834
10835   if (IS_MM_WALL_EDITOR(element))
10836   {
10837     element = map_mm_wall_element_editor(element) | new_bitmask;
10838
10839     if (IS_MM_WALL(old_element))
10840       element |= MM_WALL_BITS(old_element);
10841
10842     if (!change_level)
10843       draw_masked = TRUE;
10844   }
10845   else if (IS_MM_WALL(old_element) && element == EL_EMPTY)
10846   {
10847     int element_changed = old_element & ~new_bitmask;
10848
10849     if (MM_WALL_BITS(element_changed) != 0)
10850       element = element_changed;
10851   }
10852
10853   IntelliDrawBuffer[x][y] = element;
10854
10855   if (change_level)
10856     Feld[x][y] = element;
10857
10858   if (IN_ED_FIELD(sx, sy))
10859   {
10860     if (IS_MM_WALL(old_element) && new_element == EL_EMPTY)
10861       DrawSizedWallParts_MM(sx, sy, EL_EMPTY, ed_tilesize, FALSE, new_bitmask);
10862     else if (draw_masked)
10863       DrawEditorElementThruMask(sx, sy, element);
10864     else
10865       DrawEditorElement(sx, sy, element);
10866   }
10867 }
10868
10869 static void SetElementSimple(int x, int y, int element, boolean change_level)
10870 {
10871   SetElementSimpleExt(x, y, 0, 0, element, change_level);
10872 }
10873
10874 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
10875                                            int x2, int y2, int *element2,
10876                                            int (*close_function)(int, int),
10877                                            boolean change_level)
10878 {
10879   // set neighbour elements to newly determined connections
10880   SetElementSimple(x1, y1, *element1, change_level);
10881   SetElementSimple(x2, y2, *element2, change_level);
10882
10883   // remove all open connections of neighbour elements
10884   *element1 = close_function(x1, y1);
10885   *element2 = close_function(x2, y2);
10886
10887   // set neighbour elements to new, minimized connections
10888   SetElementSimple(x1, y1, *element1, change_level);
10889   SetElementSimple(x2, y2, *element2, change_level);
10890 }
10891
10892 static void SetElementIntelliDraw(int x, int y, int new_element,
10893                                   boolean change_level, int button)
10894 {
10895   static int xy[4][2] =
10896   {
10897     { -1, 0 },
10898     { +1, 0 },
10899     { 0, -1 },
10900     { 0, +1 }
10901   };
10902   static int last_x = -1;
10903   static int last_y = -1;
10904
10905   if (new_element == EL_UNDEFINED)
10906   {
10907     last_x = -1;
10908     last_y = -1;
10909
10910     return;
10911   }
10912
10913   int old_element = IntelliDrawBuffer[x][y];
10914
10915   if (IS_TUBE(new_element))
10916   {
10917     int last_element_new = EL_UNDEFINED;
10918     int direction = MV_NONE;
10919     int i;
10920
10921     // if old element is of same kind, keep all existing directions
10922     if (IS_TUBE(old_element))
10923       direction |= getOpenDirectionFromTube(old_element);
10924
10925     for (i = 0; i < NUM_DIRECTIONS; i++)
10926     {
10927       int xx = x + xy[i][0];
10928       int yy = y + xy[i][1];
10929
10930       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10931           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
10932       {
10933         int dir = MV_DIR_FROM_BIT(i);
10934         int dir_opposite = MV_DIR_OPPOSITE(dir);
10935         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10936         int last_direction_old = getOpenDirectionFromTube(last_element_old);
10937         int last_direction_new = last_direction_old | dir_opposite;
10938
10939         last_element_new = getTubeFromOpenDirection(last_direction_new);
10940
10941         direction |= dir;
10942       }
10943     }
10944
10945     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
10946
10947     if (last_element_new != EL_UNDEFINED)
10948       MergeAndCloseNeighbourElements(x, y, &new_element,
10949                                      last_x, last_y, &last_element_new,
10950                                      getClosedTube, change_level);
10951   }
10952   else if (IS_BELT(new_element))
10953   {
10954     int belt_nr = getBeltNrFromBeltElement(new_element);
10955     int last_element_new = EL_UNDEFINED;
10956     int direction = MV_NONE;
10957     int i;
10958
10959     // if old element is of same kind, keep all existing directions
10960     if (IS_BELT(old_element))
10961       direction |= getOpenDirectionFromBelt(old_element);
10962
10963     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
10964     {
10965       int xx = x + xy[i][0];
10966       int yy = y + xy[i][1];
10967
10968       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10969           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
10970       {
10971         int dir = MV_DIR_FROM_BIT(i);
10972         int dir_opposite = MV_DIR_OPPOSITE(dir);
10973         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10974         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
10975         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
10976         int last_direction_new = last_direction_old | dir_opposite;
10977
10978         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
10979                                                          last_direction_new);
10980         direction |= dir;
10981       }
10982     }
10983
10984     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
10985                                                         new_element);
10986     if (last_element_new != EL_UNDEFINED)
10987       MergeAndCloseNeighbourElements(x, y, &new_element,
10988                                      last_x, last_y, &last_element_new,
10989                                      getClosedBelt, change_level);
10990   }
10991   else if (IS_ACID_POOL_OR_ACID(new_element))
10992   {
10993     int last_element_new = EL_UNDEFINED;
10994     int direction = MV_NONE;
10995     int i;
10996
10997     // if old element is of same kind, keep all existing directions
10998     if (IS_ACID_POOL_OR_ACID(old_element))
10999       direction |= getOpenDirectionFromPool(old_element);
11000
11001     for (i = 0; i < NUM_DIRECTIONS; i++)
11002     {
11003       int xx = x + xy[i][0];
11004       int yy = y + xy[i][1];
11005
11006       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11007           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
11008       {
11009         int dir = MV_DIR_FROM_BIT(i);
11010         int dir_opposite = MV_DIR_OPPOSITE(dir);
11011         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11012         int last_direction_old = getOpenDirectionFromPool(last_element_old);
11013         int last_direction_new = last_direction_old | dir_opposite;
11014
11015         last_element_new = getPoolFromOpenDirection(last_direction_new);
11016
11017         direction |= dir;
11018       }
11019     }
11020
11021     // special corrections needed for intuitively correct acid pool drawing
11022     if (last_element_new == EL_EMPTY)
11023       last_element_new = new_element;
11024     else if (last_element_new != EL_UNDEFINED)
11025       new_element = last_element_new;
11026
11027     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
11028
11029     if (last_element_new != EL_UNDEFINED)
11030       MergeAndCloseNeighbourElements(x, y, &new_element,
11031                                      last_x, last_y, &last_element_new,
11032                                      getClosedPool, change_level);
11033   }
11034   else if (IS_EMC_PILLAR(new_element))
11035   {
11036     int last_element_new = EL_UNDEFINED;
11037     int direction = MV_NONE;
11038     int i;
11039
11040     // if old element is of same kind, keep all existing directions
11041     if (IS_EMC_PILLAR(old_element))
11042       direction |= getOpenDirectionFromPillar(old_element);
11043
11044     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
11045     {
11046       int xx = x + xy[i][0];
11047       int yy = y + xy[i][1];
11048
11049       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11050           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
11051       {
11052         int dir = MV_DIR_FROM_BIT(i);
11053         int dir_opposite = MV_DIR_OPPOSITE(dir);
11054         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11055         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
11056         int last_direction_new = last_direction_old | dir_opposite;
11057
11058         last_element_new = getPillarFromOpenDirection(last_direction_new);
11059
11060         direction |= dir;
11061       }
11062     }
11063
11064     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
11065
11066     if (last_element_new != EL_UNDEFINED)
11067       MergeAndCloseNeighbourElements(x, y, &new_element,
11068                                      last_x, last_y, &last_element_new,
11069                                      getClosedPillar, change_level);
11070   }
11071   else if (IS_DC_STEELWALL_2(new_element))
11072   {
11073     int last_element_new = EL_UNDEFINED;
11074     int direction = MV_NONE;
11075     int i;
11076
11077     // if old element is of same kind, keep all existing directions
11078     if (IS_DC_STEELWALL_2(old_element))
11079       direction |= getOpenDirectionFromSteel2(old_element);
11080
11081     for (i = 0; i < NUM_DIRECTIONS; i++)
11082     {
11083       int xx = x + xy[i][0];
11084       int yy = y + xy[i][1];
11085
11086       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11087           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
11088       {
11089         int dir = MV_DIR_FROM_BIT(i);
11090         int dir_opposite = MV_DIR_OPPOSITE(dir);
11091         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11092         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
11093         int last_direction_new = last_direction_old | dir_opposite;
11094
11095         last_element_new = getSteel2FromOpenDirection(last_direction_new);
11096
11097         direction |= dir;
11098       }
11099     }
11100
11101     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
11102
11103     if (last_element_new != EL_UNDEFINED)
11104       MergeAndCloseNeighbourElements(x, y, &new_element,
11105                                      last_x, last_y, &last_element_new,
11106                                      getClosedSteel2, change_level);
11107   }
11108   else if (IS_SP_CHIP(new_element))
11109   {
11110     int last_element_new = EL_UNDEFINED;
11111     int direction = MV_NONE;
11112     int i;
11113
11114     // (do not keep existing directions, regardless of kind of old element)
11115
11116     for (i = 0; i < NUM_DIRECTIONS; i++)
11117     {
11118       int xx = x + xy[i][0];
11119       int yy = y + xy[i][1];
11120
11121       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11122           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
11123       {
11124         int dir = MV_DIR_FROM_BIT(i);
11125         int dir_opposite = MV_DIR_OPPOSITE(dir);
11126         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11127         int last_direction_old = getOpenDirectionFromChip(last_element_old);
11128         int last_direction_new = last_direction_old | dir_opposite;
11129
11130         if (last_direction_old == MV_NONE)
11131         {
11132           last_element_new = getChipFromOpenDirection(last_direction_new);
11133           direction |= dir;
11134         }
11135         else if (last_direction_old & (dir | dir_opposite))
11136         {
11137           direction |= MV_DIR_OPPOSITE(last_direction_old);
11138         }
11139         else
11140         {
11141           direction |= MV_DIR_OPPOSITE(dir);
11142         }
11143       }
11144     }
11145
11146     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
11147
11148     if (last_element_new != EL_UNDEFINED)
11149       MergeAndCloseNeighbourElements(x, y, &new_element,
11150                                      last_x, last_y, &last_element_new,
11151                                      getClosedChip, change_level);
11152   }
11153   else if (IS_SP_HARDWARE_BASE(new_element))
11154   {
11155     int nr = GetSimpleRandom(6);
11156
11157     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
11158                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
11159                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
11160                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
11161                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
11162   }
11163   else if (new_element == EL_SP_HARDWARE_GREEN ||
11164            new_element == EL_SP_HARDWARE_BLUE ||
11165            new_element == EL_SP_HARDWARE_RED)
11166   {
11167     int nr = GetSimpleRandom(3);
11168
11169     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
11170                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
11171   }
11172   else if (IS_GROUP_ELEMENT(new_element))
11173   {
11174     boolean connected_drawing = FALSE;
11175     int i;
11176
11177     for (i = 0; i < NUM_DIRECTIONS; i++)
11178     {
11179       int xx = x + xy[i][0];
11180       int yy = y + xy[i][1];
11181
11182       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11183           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
11184         connected_drawing = TRUE;
11185     }
11186
11187     if (!connected_drawing)
11188       ResolveGroupElement(new_element);
11189
11190     new_element = GetElementFromGroupElement(new_element);
11191   }
11192   else if (IS_BELT_SWITCH(old_element))
11193   {
11194     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
11195     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
11196
11197     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
11198                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
11199
11200     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
11201   }
11202   else
11203   {
11204     static int swappable_elements[][2] =
11205     {
11206       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
11207       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
11208       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
11209       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
11210       { EL_EMERALD,                     EL_WALL_EMERALD                 },
11211       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
11212       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
11213       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
11214       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
11215       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
11216       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
11217       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
11218       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
11219       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
11220       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
11221       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
11222       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
11223       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
11224       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
11225       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
11226       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
11227       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
11228       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
11229       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
11230       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
11231       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
11232       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
11233       { EL_PEARL,                       EL_WALL_PEARL                   },
11234       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
11235       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
11236       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
11237       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
11238       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
11239       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
11240       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
11241       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
11242       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
11243       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
11244       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
11245       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
11246       { EL_MM_EXIT_CLOSED,              EL_MM_EXIT_OPEN                 },
11247       { EL_MM_FUSE,                     EL_MM_FUSE_ACTIVE               },
11248       { EL_MM_LIGHTBULB,                EL_MM_LIGHTBULB_ACTIVE          },
11249       { EL_MM_FUEL_EMPTY,               EL_MM_FUEL_FULL                 },
11250
11251       { -1,                             -1                              },
11252     };
11253     static int rotatable_elements_4[][4] =
11254     {
11255       {
11256         EL_BUG_UP,
11257         EL_BUG_RIGHT,
11258         EL_BUG_DOWN,
11259         EL_BUG_LEFT
11260       },
11261       {
11262         EL_SPACESHIP_UP,
11263         EL_SPACESHIP_RIGHT,
11264         EL_SPACESHIP_DOWN,
11265         EL_SPACESHIP_LEFT
11266       },
11267       {
11268         EL_BD_BUTTERFLY_UP,
11269         EL_BD_BUTTERFLY_RIGHT,
11270         EL_BD_BUTTERFLY_DOWN,
11271         EL_BD_BUTTERFLY_LEFT
11272       },
11273       {
11274         EL_BD_FIREFLY_UP,
11275         EL_BD_FIREFLY_RIGHT,
11276         EL_BD_FIREFLY_DOWN,
11277         EL_BD_FIREFLY_LEFT
11278       },
11279       {
11280         EL_PACMAN_UP,
11281         EL_PACMAN_RIGHT,
11282         EL_PACMAN_DOWN,
11283         EL_PACMAN_LEFT
11284       },
11285       {
11286         EL_YAMYAM_UP,
11287         EL_YAMYAM_RIGHT,
11288         EL_YAMYAM_DOWN,
11289         EL_YAMYAM_LEFT
11290       },
11291       {
11292         EL_ARROW_UP,
11293         EL_ARROW_RIGHT,
11294         EL_ARROW_DOWN,
11295         EL_ARROW_LEFT
11296       },
11297       {
11298         EL_SP_PORT_UP,
11299         EL_SP_PORT_RIGHT,
11300         EL_SP_PORT_DOWN,
11301         EL_SP_PORT_LEFT
11302       },
11303       {
11304         EL_SP_GRAVITY_PORT_UP,
11305         EL_SP_GRAVITY_PORT_RIGHT,
11306         EL_SP_GRAVITY_PORT_DOWN,
11307         EL_SP_GRAVITY_PORT_LEFT
11308       },
11309       {
11310         EL_SP_GRAVITY_ON_PORT_UP,
11311         EL_SP_GRAVITY_ON_PORT_RIGHT,
11312         EL_SP_GRAVITY_ON_PORT_DOWN,
11313         EL_SP_GRAVITY_ON_PORT_LEFT
11314       },
11315       {
11316         EL_SP_GRAVITY_OFF_PORT_UP,
11317         EL_SP_GRAVITY_OFF_PORT_RIGHT,
11318         EL_SP_GRAVITY_OFF_PORT_DOWN,
11319         EL_SP_GRAVITY_OFF_PORT_LEFT
11320       },
11321       {
11322         EL_MOLE_UP,
11323         EL_MOLE_RIGHT,
11324         EL_MOLE_DOWN,
11325         EL_MOLE_LEFT
11326       },
11327       {
11328         EL_BALLOON_SWITCH_UP,
11329         EL_BALLOON_SWITCH_RIGHT,
11330         EL_BALLOON_SWITCH_DOWN,
11331         EL_BALLOON_SWITCH_LEFT
11332       },
11333       {
11334         EL_MM_MCDUFFIN_UP,
11335         EL_MM_MCDUFFIN_RIGHT,
11336         EL_MM_MCDUFFIN_DOWN,
11337         EL_MM_MCDUFFIN_LEFT
11338       },
11339       {
11340         EL_MM_MIRROR_FIXED_1,
11341         EL_MM_MIRROR_FIXED_4,
11342         EL_MM_MIRROR_FIXED_3,
11343         EL_MM_MIRROR_FIXED_2
11344       },
11345       {
11346         EL_MM_STEEL_GRID_FIXED_1,
11347         EL_MM_STEEL_GRID_FIXED_4,
11348         EL_MM_STEEL_GRID_FIXED_2,
11349         EL_MM_STEEL_GRID_FIXED_3
11350       },
11351       {
11352         EL_MM_WOODEN_GRID_FIXED_1,
11353         EL_MM_WOODEN_GRID_FIXED_4,
11354         EL_MM_WOODEN_GRID_FIXED_2,
11355         EL_MM_WOODEN_GRID_FIXED_3
11356       },
11357       {
11358         EL_MM_POLARIZER_CROSS_1,
11359         EL_MM_POLARIZER_CROSS_4,
11360         EL_MM_POLARIZER_CROSS_3,
11361         EL_MM_POLARIZER_CROSS_2
11362       },
11363       {
11364         EL_MM_PACMAN_UP,
11365         EL_MM_PACMAN_RIGHT,
11366         EL_MM_PACMAN_DOWN,
11367         EL_MM_PACMAN_LEFT
11368       },
11369       {
11370         EL_DF_LASER_UP,
11371         EL_DF_LASER_RIGHT,
11372         EL_DF_LASER_DOWN,
11373         EL_DF_LASER_LEFT
11374       },
11375       {
11376         EL_DF_RECEIVER_UP,
11377         EL_DF_RECEIVER_RIGHT,
11378         EL_DF_RECEIVER_DOWN,
11379         EL_DF_RECEIVER_LEFT
11380       },
11381
11382       {
11383         -1,
11384       },
11385     };
11386     static int rotatable_elements_8[][8] =
11387     {
11388       {
11389         EL_DF_STEEL_GRID_FIXED_1,
11390         EL_DF_STEEL_GRID_FIXED_8,
11391         EL_DF_STEEL_GRID_FIXED_7,
11392         EL_DF_STEEL_GRID_FIXED_6,
11393         EL_DF_STEEL_GRID_FIXED_5,
11394         EL_DF_STEEL_GRID_FIXED_4,
11395         EL_DF_STEEL_GRID_FIXED_3,
11396         EL_DF_STEEL_GRID_FIXED_2
11397       },
11398       {
11399         EL_DF_WOODEN_GRID_FIXED_1,
11400         EL_DF_WOODEN_GRID_FIXED_8,
11401         EL_DF_WOODEN_GRID_FIXED_7,
11402         EL_DF_WOODEN_GRID_FIXED_6,
11403         EL_DF_WOODEN_GRID_FIXED_5,
11404         EL_DF_WOODEN_GRID_FIXED_4,
11405         EL_DF_WOODEN_GRID_FIXED_3,
11406         EL_DF_WOODEN_GRID_FIXED_2
11407       },
11408       {
11409         EL_DF_STEEL_GRID_ROTATING_1,
11410         EL_DF_STEEL_GRID_ROTATING_8,
11411         EL_DF_STEEL_GRID_ROTATING_7,
11412         EL_DF_STEEL_GRID_ROTATING_6,
11413         EL_DF_STEEL_GRID_ROTATING_5,
11414         EL_DF_STEEL_GRID_ROTATING_4,
11415         EL_DF_STEEL_GRID_ROTATING_3,
11416         EL_DF_STEEL_GRID_ROTATING_2
11417       },
11418       {
11419         EL_DF_WOODEN_GRID_ROTATING_1,
11420         EL_DF_WOODEN_GRID_ROTATING_8,
11421         EL_DF_WOODEN_GRID_ROTATING_7,
11422         EL_DF_WOODEN_GRID_ROTATING_6,
11423         EL_DF_WOODEN_GRID_ROTATING_5,
11424         EL_DF_WOODEN_GRID_ROTATING_4,
11425         EL_DF_WOODEN_GRID_ROTATING_3,
11426         EL_DF_WOODEN_GRID_ROTATING_2
11427       },
11428
11429       {
11430         -1,
11431       },
11432     };
11433     static int rotatable_elements_16[][16] =
11434     {
11435       {
11436         EL_MM_MIRROR_1,
11437         EL_MM_MIRROR_16,
11438         EL_MM_MIRROR_15,
11439         EL_MM_MIRROR_14,
11440         EL_MM_MIRROR_13,
11441         EL_MM_MIRROR_12,
11442         EL_MM_MIRROR_11,
11443         EL_MM_MIRROR_10,
11444         EL_MM_MIRROR_9,
11445         EL_MM_MIRROR_8,
11446         EL_MM_MIRROR_7,
11447         EL_MM_MIRROR_6,
11448         EL_MM_MIRROR_5,
11449         EL_MM_MIRROR_4,
11450         EL_MM_MIRROR_3,
11451         EL_MM_MIRROR_2
11452       },
11453       {
11454         EL_MM_TELEPORTER_5,
11455         EL_MM_TELEPORTER_4,
11456         EL_MM_TELEPORTER_3,
11457         EL_MM_TELEPORTER_2,
11458         EL_MM_TELEPORTER_1,
11459         EL_MM_TELEPORTER_16,
11460         EL_MM_TELEPORTER_15,
11461         EL_MM_TELEPORTER_14,
11462         EL_MM_TELEPORTER_13,
11463         EL_MM_TELEPORTER_12,
11464         EL_MM_TELEPORTER_11,
11465         EL_MM_TELEPORTER_10,
11466         EL_MM_TELEPORTER_9,
11467         EL_MM_TELEPORTER_8,
11468         EL_MM_TELEPORTER_7,
11469         EL_MM_TELEPORTER_6
11470       },
11471       {
11472         EL_MM_TELEPORTER_RED_5,
11473         EL_MM_TELEPORTER_RED_4,
11474         EL_MM_TELEPORTER_RED_3,
11475         EL_MM_TELEPORTER_RED_2,
11476         EL_MM_TELEPORTER_RED_1,
11477         EL_MM_TELEPORTER_RED_16,
11478         EL_MM_TELEPORTER_RED_15,
11479         EL_MM_TELEPORTER_RED_14,
11480         EL_MM_TELEPORTER_RED_13,
11481         EL_MM_TELEPORTER_RED_12,
11482         EL_MM_TELEPORTER_RED_11,
11483         EL_MM_TELEPORTER_RED_10,
11484         EL_MM_TELEPORTER_RED_9,
11485         EL_MM_TELEPORTER_RED_8,
11486         EL_MM_TELEPORTER_RED_7,
11487         EL_MM_TELEPORTER_RED_6
11488       },
11489       {
11490         EL_MM_TELEPORTER_YELLOW_5,
11491         EL_MM_TELEPORTER_YELLOW_4,
11492         EL_MM_TELEPORTER_YELLOW_3,
11493         EL_MM_TELEPORTER_YELLOW_2,
11494         EL_MM_TELEPORTER_YELLOW_1,
11495         EL_MM_TELEPORTER_YELLOW_16,
11496         EL_MM_TELEPORTER_YELLOW_15,
11497         EL_MM_TELEPORTER_YELLOW_14,
11498         EL_MM_TELEPORTER_YELLOW_13,
11499         EL_MM_TELEPORTER_YELLOW_12,
11500         EL_MM_TELEPORTER_YELLOW_11,
11501         EL_MM_TELEPORTER_YELLOW_10,
11502         EL_MM_TELEPORTER_YELLOW_9,
11503         EL_MM_TELEPORTER_YELLOW_8,
11504         EL_MM_TELEPORTER_YELLOW_7,
11505         EL_MM_TELEPORTER_YELLOW_6
11506       },
11507       {
11508         EL_MM_TELEPORTER_GREEN_5,
11509         EL_MM_TELEPORTER_GREEN_4,
11510         EL_MM_TELEPORTER_GREEN_3,
11511         EL_MM_TELEPORTER_GREEN_2,
11512         EL_MM_TELEPORTER_GREEN_1,
11513         EL_MM_TELEPORTER_GREEN_16,
11514         EL_MM_TELEPORTER_GREEN_15,
11515         EL_MM_TELEPORTER_GREEN_14,
11516         EL_MM_TELEPORTER_GREEN_13,
11517         EL_MM_TELEPORTER_GREEN_12,
11518         EL_MM_TELEPORTER_GREEN_11,
11519         EL_MM_TELEPORTER_GREEN_10,
11520         EL_MM_TELEPORTER_GREEN_9,
11521         EL_MM_TELEPORTER_GREEN_8,
11522         EL_MM_TELEPORTER_GREEN_7,
11523         EL_MM_TELEPORTER_GREEN_6
11524       },
11525       {
11526         EL_MM_TELEPORTER_BLUE_5,
11527         EL_MM_TELEPORTER_BLUE_4,
11528         EL_MM_TELEPORTER_BLUE_3,
11529         EL_MM_TELEPORTER_BLUE_2,
11530         EL_MM_TELEPORTER_BLUE_1,
11531         EL_MM_TELEPORTER_BLUE_16,
11532         EL_MM_TELEPORTER_BLUE_15,
11533         EL_MM_TELEPORTER_BLUE_14,
11534         EL_MM_TELEPORTER_BLUE_13,
11535         EL_MM_TELEPORTER_BLUE_12,
11536         EL_MM_TELEPORTER_BLUE_11,
11537         EL_MM_TELEPORTER_BLUE_10,
11538         EL_MM_TELEPORTER_BLUE_9,
11539         EL_MM_TELEPORTER_BLUE_8,
11540         EL_MM_TELEPORTER_BLUE_7,
11541         EL_MM_TELEPORTER_BLUE_6
11542       },
11543       {
11544         EL_MM_POLARIZER_1,
11545         EL_MM_POLARIZER_16,
11546         EL_MM_POLARIZER_15,
11547         EL_MM_POLARIZER_14,
11548         EL_MM_POLARIZER_13,
11549         EL_MM_POLARIZER_12,
11550         EL_MM_POLARIZER_11,
11551         EL_MM_POLARIZER_10,
11552         EL_MM_POLARIZER_9,
11553         EL_MM_POLARIZER_8,
11554         EL_MM_POLARIZER_7,
11555         EL_MM_POLARIZER_6,
11556         EL_MM_POLARIZER_5,
11557         EL_MM_POLARIZER_4,
11558         EL_MM_POLARIZER_3,
11559         EL_MM_POLARIZER_2
11560       },
11561       {
11562         EL_DF_MIRROR_1,
11563         EL_DF_MIRROR_16,
11564         EL_DF_MIRROR_15,
11565         EL_DF_MIRROR_14,
11566         EL_DF_MIRROR_13,
11567         EL_DF_MIRROR_12,
11568         EL_DF_MIRROR_11,
11569         EL_DF_MIRROR_10,
11570         EL_DF_MIRROR_9,
11571         EL_DF_MIRROR_8,
11572         EL_DF_MIRROR_7,
11573         EL_DF_MIRROR_6,
11574         EL_DF_MIRROR_5,
11575         EL_DF_MIRROR_4,
11576         EL_DF_MIRROR_3,
11577         EL_DF_MIRROR_2
11578       },
11579       {
11580         EL_DF_MIRROR_ROTATING_1,
11581         EL_DF_MIRROR_ROTATING_16,
11582         EL_DF_MIRROR_ROTATING_15,
11583         EL_DF_MIRROR_ROTATING_14,
11584         EL_DF_MIRROR_ROTATING_13,
11585         EL_DF_MIRROR_ROTATING_12,
11586         EL_DF_MIRROR_ROTATING_11,
11587         EL_DF_MIRROR_ROTATING_10,
11588         EL_DF_MIRROR_ROTATING_9,
11589         EL_DF_MIRROR_ROTATING_8,
11590         EL_DF_MIRROR_ROTATING_7,
11591         EL_DF_MIRROR_ROTATING_6,
11592         EL_DF_MIRROR_ROTATING_5,
11593         EL_DF_MIRROR_ROTATING_4,
11594         EL_DF_MIRROR_ROTATING_3,
11595         EL_DF_MIRROR_ROTATING_2
11596       },
11597
11598       {
11599         -1,
11600       },
11601     };
11602     int i, j;
11603
11604     for (i = 0; swappable_elements[i][0] != -1; i++)
11605     {
11606       int element1 = swappable_elements[i][0];
11607       int element2 = swappable_elements[i][1];
11608
11609       if (old_element == element1 || old_element == element2)
11610         new_element = (old_element == element1 ? element2 : element1);
11611     }
11612
11613     for (i = 0; rotatable_elements_4[i][0] != -1; i++)
11614     {
11615       for (j = 0; j < 4; j++)
11616       {
11617         int element = rotatable_elements_4[i][j];
11618
11619         if (old_element == element)
11620           new_element = (button == 1 ? rotatable_elements_4[i][(j + 3) % 4] :
11621                          button == 2 ? rotatable_elements_4[i][0]           :
11622                          button == 3 ? rotatable_elements_4[i][(j + 1) % 4] :
11623                          old_element);
11624       }
11625     }
11626
11627     for (i = 0; rotatable_elements_8[i][0] != -1; i++)
11628     {
11629       for (j = 0; j < 8; j++)
11630       {
11631         int element = rotatable_elements_8[i][j];
11632
11633         if (old_element == element)
11634           new_element = (button == 1 ? rotatable_elements_8[i][(j + 7) % 8] :
11635                          button == 2 ? rotatable_elements_8[i][0]           :
11636                          button == 3 ? rotatable_elements_8[i][(j + 1) % 8] :
11637                          old_element);
11638       }
11639     }
11640
11641     for (i = 0; rotatable_elements_16[i][0] != -1; i++)
11642     {
11643       for (j = 0; j < 16; j++)
11644       {
11645         int element = rotatable_elements_16[i][j];
11646
11647         if (old_element == element)
11648           new_element = (button == 1 ? rotatable_elements_16[i][(j + 15) % 16] :
11649                          button == 2 ? rotatable_elements_16[i][0]             :
11650                          button == 3 ? rotatable_elements_16[i][(j + 1)  % 16] :
11651                          old_element);
11652       }
11653     }
11654
11655     if (old_element != new_element)
11656     {
11657       int max_infotext_len = getMaxInfoTextLength();
11658       char infotext[MAX_OUTPUT_LINESIZE + 1];
11659
11660       strncpy(infotext, getElementInfoText(new_element), max_infotext_len);
11661       infotext[max_infotext_len] = '\0';
11662
11663       ClearEditorGadgetInfoText();
11664
11665       DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT,
11666                 infotext);
11667     }
11668   }
11669
11670   SetElementSimple(x, y, new_element, change_level);
11671
11672   last_x = x;
11673   last_y = y;
11674 }
11675
11676 static void ResetIntelliDraw(void)
11677 {
11678   int x, y;
11679
11680   for (x = 0; x < lev_fieldx; x++)
11681     for (y = 0; y < lev_fieldy; y++)
11682       IntelliDrawBuffer[x][y] = Feld[x][y];
11683
11684   SetElementIntelliDraw(-1, -1, EL_UNDEFINED, FALSE, -1);
11685 }
11686
11687 static boolean draw_mode_hires = FALSE;
11688
11689 static boolean isHiresTileElement(int element)
11690 {
11691   return (IS_MM_WALL(element)        || element == EL_EMPTY);
11692 }
11693
11694 static boolean isHiresDrawElement(int element)
11695 {
11696   return (IS_MM_WALL_EDITOR(element) || element == EL_EMPTY);
11697 }
11698
11699 static void SetDrawModeHiRes(int element)
11700 {
11701   draw_mode_hires =
11702     (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
11703      isHiresDrawElement(element));
11704 }
11705
11706 static boolean getDrawModeHiRes(void)
11707 {
11708   return draw_mode_hires;
11709 }
11710
11711 static int getLoResScreenPos(int pos)
11712 {
11713   return (getDrawModeHiRes() ? pos / 2 : pos);
11714 }
11715
11716 static int getLoResScreenMod(int pos)
11717 {
11718   return (getDrawModeHiRes() ? pos % 2 : 0);
11719 }
11720
11721 static void SetElementExt(int x, int y, int dx, int dy, int element,
11722                           boolean change_level, int button)
11723 {
11724   if (element < 0)
11725     SetElementSimple(x, y, Feld[x][y], change_level);
11726   else if (GetKeyModState() & KMOD_Shift && !IS_MM_WALL_EDITOR(element))
11727     SetElementIntelliDraw(x, y, element, change_level, button);
11728   else
11729     SetElementSimpleExt(x, y, dx, dy, element, change_level);
11730 }
11731
11732 static void SetElement(int x, int y, int element)
11733 {
11734   SetElementExt(x, y, 0, 0, element, TRUE, -1);
11735 }
11736
11737 static void SetElementButton(int x, int y, int dx, int dy, int element,
11738                              int button)
11739 {
11740   SetElementExt(x, y, dx, dy, element, TRUE, button);
11741 }
11742
11743 static void SetElementHiRes(int sx2, int sy2, int element, boolean change_level)
11744 {
11745   int lx = getLoResScreenPos(sx2) + level_xpos;
11746   int ly = getLoResScreenPos(sy2) + level_ypos;
11747   int dx = getLoResScreenMod(sx2);
11748   int dy = getLoResScreenMod(sy2);
11749
11750   SetElementExt(lx, ly, dx, dy, element, change_level, -1);
11751 }
11752
11753 static void SetLevelElementHiRes(int lx2, int ly2, int element)
11754 {
11755   int lx = lx2 / 2;
11756   int ly = ly2 / 2;
11757   int dx = lx2 % 2;
11758   int dy = ly2 % 2;
11759
11760   SetElementExt(lx, ly, dx, dy, element, TRUE, -1);
11761 }
11762
11763 static int getLevelElementHiRes(int lx2, int ly2)
11764 {
11765   int lx = lx2 / 2;
11766   int ly = ly2 / 2;
11767   int dx = lx2 % 2;
11768   int dy = ly2 % 2;
11769   int element = Feld[lx][ly];
11770   unsigned int bitmask = (dx + 1) << (dy * 2);
11771
11772   if (IS_MM_WALL(element))
11773   {
11774     if (element & bitmask)
11775       return map_mm_wall_element(element);
11776     else
11777       return EL_EMPTY;
11778   }
11779
11780   return element;
11781 }
11782
11783 static void DrawLineElement(int x, int y, int element, boolean change_level)
11784 {
11785   SetElementHiRes(x, y, element, change_level);
11786 }
11787
11788 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
11789                      int element, boolean change_level)
11790 {
11791   int xsize = ABS(to_x - from_x);
11792   int ysize = ABS(to_y - from_y);
11793   int dx = (to_x < from_x ? -1 : +1);
11794   int dy = (to_y < from_y ? -1 : +1);
11795   int i;
11796
11797   if (from_y == to_y)                   // horizontal line
11798   {
11799     for (i = 0; i <= xsize; i++)
11800       DrawLineElement(from_x + i * dx, from_y, element, change_level);
11801   }
11802   else if (from_x == to_x)              // vertical line
11803   {
11804     for (i = 0; i <= ysize; i++)
11805       DrawLineElement(from_x, from_y + i * dy, element, change_level);
11806   }
11807   else                                  // diagonal line
11808   {
11809     if (ysize < xsize)                  // a < 1
11810     {
11811       float a = (float)ysize / (float)xsize;
11812
11813       for (i = 0; i <= xsize; i++)
11814       {
11815         int x = dx * i;
11816         int y = dy * (int)(a * i + 0.5);
11817
11818         DrawLineElement(from_x + x, from_y + y, element, change_level);
11819       }
11820     }
11821     else                                // a >= 1
11822     {
11823       float a = (float)xsize / (float)ysize;
11824
11825       for (i = 0; i <= ysize; i++)
11826       {
11827         int x = dx * (int)(a * i + 0.5);
11828         int y = dy * i;
11829
11830         DrawLineElement(from_x + x, from_y + y, element, change_level);
11831       }
11832     }
11833   }
11834 }
11835
11836 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
11837                     int element, boolean change_level)
11838 {
11839   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
11840   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
11841   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
11842   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
11843 }
11844
11845 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
11846                           int element, boolean change_level)
11847 {
11848   int y;
11849
11850   if (from_y > to_y)
11851     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
11852
11853   for (y = from_y; y <= to_y; y++)
11854     DrawLine(from_x, y, to_x, y, element, change_level);
11855 }
11856
11857 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
11858                        int element, boolean change_level)
11859 {
11860   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
11861   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
11862   int len_x = ABS(to_x - from_x);
11863   int len_y = ABS(to_y - from_y);
11864   int radius, x, y;
11865
11866   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
11867
11868   // not optimal (some points get drawn twice) but simple,
11869   // and fast enough for the few points we are drawing
11870
11871   for (x = 0; x <= radius; x++)
11872   {
11873     int sx, sy, sx2, sy2, lx, ly;
11874
11875     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
11876
11877     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
11878     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
11879     sx = getLoResScreenPos(sx2);
11880     sy = getLoResScreenPos(sy2);
11881     lx = sx + level_xpos;
11882     ly = sy + level_ypos;
11883
11884     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
11885       DrawLineElement(sx2, sy2, element, change_level);
11886   }
11887
11888   for (y = 0; y <= radius; y++)
11889   {
11890     int sx, sy, sx2, sy2, lx, ly;
11891
11892     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
11893
11894     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
11895     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
11896     sx = getLoResScreenPos(sx2);
11897     sy = getLoResScreenPos(sy2);
11898     lx = sx + level_xpos;
11899     ly = sy + level_ypos;
11900
11901     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
11902       DrawLineElement(sx2, sy2, element, change_level);
11903   }
11904 }
11905
11906 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
11907                     int element, boolean change_level)
11908 {
11909   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
11910   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
11911
11912   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
11913 }
11914
11915 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
11916
11917 #if DRAW_CIRCLES_BUTTON_AVAILABLE
11918 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
11919                        int element, boolean change_level)
11920 {
11921   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
11922   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
11923   int mirror_to_x2 = from_x - (to_x2 - from_x);
11924   int mirror_to_y2 = from_y - (to_y2 - from_y);
11925
11926   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
11927   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
11928   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
11929   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
11930 }
11931 #endif
11932
11933 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
11934 {
11935   int from_sx, from_sy;
11936   int to_sx, to_sy;
11937
11938   if (from_x > to_x)
11939     swap_numbers(&from_x, &to_x);
11940
11941   if (from_y > to_y)
11942     swap_numbers(&from_y, &to_y);
11943
11944   from_sx = SX + from_x * ed_tilesize;
11945   from_sy = SY + from_y * ed_tilesize;
11946   to_sx = SX + (to_x + 1) * ed_tilesize - 1;
11947   to_sy = SY + (to_y + 1) * ed_tilesize - 1;
11948
11949   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
11950   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
11951   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
11952   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
11953
11954   if (from_x == to_x && from_y == to_y)
11955     MarkTileDirty(from_x/2, from_y/2);
11956   else
11957     redraw_mask |= REDRAW_FIELD;
11958 }
11959
11960 static void DrawAreaBox(int from_x, int from_y, int to_x, int to_y,
11961                         int element, boolean change_level)
11962 {
11963   DrawBox(from_x, from_y, to_x, to_y, element, change_level);
11964 }
11965
11966 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
11967                        int element, boolean change_level)
11968 {
11969   if (element == -1 || change_level)
11970     DrawAreaBox(from_x, from_y, to_x, to_y, -1, FALSE);
11971   else
11972     DrawAreaBorder(from_x, from_y, to_x, to_y);
11973 }
11974
11975 // values for CopyBrushExt()
11976 #define CB_AREA_TO_BRUSH                0
11977 #define CB_BRUSH_TO_CURSOR              1
11978 #define CB_BRUSH_TO_LEVEL               2
11979 #define CB_DELETE_OLD_CURSOR            3
11980 #define CB_DUMP_BRUSH                   4
11981 #define CB_DUMP_BRUSH_SMALL             5
11982 #define CB_CLIPBOARD_TO_BRUSH           6
11983 #define CB_BRUSH_TO_CLIPBOARD           7
11984 #define CB_BRUSH_TO_CLIPBOARD_SMALL     8
11985 #define CB_UPDATE_BRUSH_POSITION        9
11986
11987 #define MAX_CB_PART_SIZE        10
11988 #define MAX_CB_LINE_SIZE        (MAX_LEV_FIELDX + 1)    // text plus newline
11989 #define MAX_CB_NUM_LINES        (MAX_LEV_FIELDY)
11990 #define MAX_CB_TEXT_SIZE        (MAX_CB_LINE_SIZE *     \
11991                                  MAX_CB_NUM_LINES *     \
11992                                  MAX_CB_PART_SIZE)
11993
11994 static void DrawBrushElement(int sx, int sy, int element, boolean change_level)
11995 {
11996   DrawLineElement(sx, sy, element, change_level);
11997 }
11998
11999 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
12000                          int button, int mode)
12001 {
12002   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
12003   static int brush_width, brush_height;
12004   static int last_cursor_x = -1, last_cursor_y = -1;
12005   static boolean delete_old_brush = FALSE;
12006   int new_element = BUTTON_ELEMENT(button);
12007   int x, y;
12008
12009   if (mode == CB_DUMP_BRUSH ||
12010       mode == CB_DUMP_BRUSH_SMALL ||
12011       mode == CB_BRUSH_TO_CLIPBOARD ||
12012       mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
12013   {
12014     if (edit_mode != ED_MODE_DRAWING)
12015       return;
12016
12017     char part[MAX_CB_PART_SIZE + 1] = "";
12018     char text[MAX_CB_TEXT_SIZE + 1] = "";
12019     int width  = (draw_with_brush ? brush_width  : lev_fieldx);
12020     int height = (draw_with_brush ? brush_height : lev_fieldy);
12021     char *format = "%s%03d";
12022
12023     for (y = 0; y < height; y++)
12024       for (x = 0; x < width; x++)
12025         if ((draw_with_brush ? brush_buffer[x][y] : Feld[x][y]) > 999)
12026           format = "%s%04d";
12027
12028     for (y = 0; y < height; y++)
12029     {
12030       for (x = 0; x < width; x++)
12031       {
12032         int element = (draw_with_brush ? brush_buffer[x][y] : Feld[x][y]);
12033         char *prefix = (mode == CB_DUMP_BRUSH ||
12034                         mode == CB_BRUSH_TO_CLIPBOARD ? "`" : "¸");
12035
12036         if (element >= NUM_FILE_ELEMENTS)
12037           element = EL_UNKNOWN;
12038
12039         // copy brush to level sketch text buffer for the R'n'D forum:
12040         // - large tiles: `xxx or `xxxx (0x60 ASCII)
12041         // - small tiles: ¸xxx or ¸xxxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
12042         snprintf(part, MAX_CB_PART_SIZE + 1, format, prefix, element);
12043         strcat(text, part);
12044       }
12045
12046       strcat(text, "\n");
12047     }
12048
12049     if (mode == CB_BRUSH_TO_CLIPBOARD ||
12050         mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
12051       SDL_SetClipboardText(text);
12052     else
12053       printf("%s", text);
12054
12055     return;
12056   }
12057
12058   if (mode == CB_CLIPBOARD_TO_BRUSH)
12059   {
12060     if (edit_mode != ED_MODE_DRAWING)
12061       return;
12062
12063     if (!SDL_HasClipboardText())
12064     {
12065       Request("Clipboard is empty!", REQ_CONFIRM);
12066
12067       return;
12068     }
12069
12070     boolean copy_to_brush = (draw_with_brush ||
12071                              drawing_function == GADGET_ID_GRAB_BRUSH);
12072
12073     // this will delete the old brush, if already drawing with a brush
12074     if (copy_to_brush)
12075       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], MB_LEFTBUTTON);
12076
12077     // initialization is required for "odd" (incomplete) clipboard content
12078     for (x = 0; x < MAX_LEV_FIELDX; x++)
12079       for (y = 0; y < MAX_LEV_FIELDY; y++)
12080         brush_buffer[x][y] = EL_EMPTY;
12081
12082     brush_width  = 0;
12083     brush_height = 0;
12084     x = 0;
12085     y = 0;
12086
12087     char *clipboard_text = SDL_GetClipboardText();
12088     char *ptr = clipboard_text;
12089     boolean allow_new_row = FALSE;
12090     boolean stop = FALSE;
12091
12092     while (*ptr && !stop)
12093     {
12094       boolean prefix_found = FALSE;
12095       boolean start_new_row = FALSE;
12096
12097       // level sketch element number prefixes (may be multi-byte characters)
12098       char *prefix_list[] = { "`", "¸" };
12099       int i;
12100
12101       for (i = 0; i < ARRAY_SIZE(prefix_list); i++)
12102       {
12103         char *prefix = prefix_list[i];
12104
12105         // check if string is large enough for prefix
12106         if (strlen(ptr) < strlen(prefix))
12107         {
12108           stop = TRUE;
12109
12110           break;
12111         }
12112
12113         // check if string starts with prefix
12114         if (strPrefix(ptr, prefix))
12115         {
12116           ptr += strlen(prefix);
12117
12118           prefix_found = TRUE;
12119
12120           break;
12121         }
12122       }
12123
12124       // check if prefix found and followed by (at least) three digits
12125       if (prefix_found &&
12126           strlen(ptr) >= 3 &&
12127           ptr[0] >= '0' && ptr[0] <= '9' &&
12128           ptr[1] >= '0' && ptr[1] <= '9' &&
12129           ptr[2] >= '0' && ptr[2] <= '9')
12130       {
12131         int element = ((ptr[0] - '0') * 100 +
12132                        (ptr[1] - '0') * 10 +
12133                        (ptr[2] - '0'));
12134
12135         ptr += 3;
12136
12137         // level sketch element number might consist of four digits
12138         if (ptr[0] >= '0' && ptr[0] <= '9')
12139         {
12140           element = element * 10 + (ptr[0] - '0');
12141           ptr++;
12142         }
12143
12144         if (element >= NUM_FILE_ELEMENTS)
12145           element = EL_UNKNOWN;
12146
12147         brush_buffer[x][y] = element;
12148
12149         brush_width  = MAX(x + 1, brush_width);
12150         brush_height = MAX(y + 1, brush_height);
12151
12152         x++;
12153
12154         if (x >= MAX_LEV_FIELDX)
12155           start_new_row = TRUE;
12156
12157         allow_new_row = TRUE;
12158       }
12159       else
12160       {
12161         if ((*ptr == '\n' || *ptr == '\r') && allow_new_row)
12162           start_new_row = TRUE;
12163
12164         ptr++;          // !!! FIX THIS for real UTF-8 handling !!!
12165       }
12166
12167       if (start_new_row)
12168       {
12169         x = 0;
12170         y++;
12171
12172         if (y >= MAX_LEV_FIELDY)
12173           stop = TRUE;
12174
12175         allow_new_row = FALSE;
12176       }
12177     }
12178
12179     SDL_free(clipboard_text);
12180
12181     if (brush_width == 0 || brush_height == 0)
12182     {
12183       Request("No level sketch found in clipboard!", REQ_CONFIRM);
12184
12185       return;
12186     }
12187
12188     if (copy_to_brush)
12189     {
12190       struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_DRAWING_LEVEL];
12191       int mx, my;
12192
12193       SDL_GetMouseState(&mx, &my);
12194
12195       // if inside drawing area, activate and draw brush at last mouse position
12196       if (mx >= gi->x && mx < gi->x + gi->width &&
12197           my >= gi->y && my < gi->y + gi->height)
12198         CopyBrushToCursor(last_cursor_x, last_cursor_y);
12199
12200       draw_with_brush = TRUE;
12201     }
12202     else
12203     {
12204       char request[100];
12205
12206       sprintf(request, "Replace level with %dx%d level sketch from clipboard?",
12207               brush_width, brush_height);
12208
12209       if (!Request(request, REQ_ASK))
12210         return;
12211
12212       for (x = 0; x < MAX_LEV_FIELDX; x++)
12213         for (y = 0; y < MAX_LEV_FIELDY; y++)
12214           Feld[x][y] = brush_buffer[x][y];
12215
12216       lev_fieldx = level.fieldx = brush_width;
12217       lev_fieldy = level.fieldy = brush_height;
12218
12219       SetBorderElement();
12220
12221       DrawEditModeWindow();
12222       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12223     }
12224
12225     return;
12226   }
12227
12228   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
12229     return;
12230
12231   if (mode == CB_AREA_TO_BRUSH)
12232   {
12233     int from_lx, from_ly;
12234
12235     if (from_x > to_x)
12236       swap_numbers(&from_x, &to_x);
12237
12238     if (from_y > to_y)
12239       swap_numbers(&from_y, &to_y);
12240
12241     brush_width = to_x - from_x + 1;
12242     brush_height = to_y - from_y + 1;
12243
12244     from_lx = from_x + level_xpos;
12245     from_ly = from_y + level_ypos;
12246
12247     for (y = 0; y < brush_height; y++)
12248     {
12249       for (x = 0; x < brush_width; x++)
12250       {
12251         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
12252
12253         if (button != 1)
12254           DrawBrushElement(from_x + x, from_y + y, new_element, TRUE);
12255       }
12256     }
12257
12258     if (button != 1)
12259       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12260
12261     delete_old_brush = FALSE;
12262   }
12263   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
12264            mode == CB_BRUSH_TO_LEVEL)
12265   {
12266     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
12267     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
12268     int cursor_from_x = cursor_x - brush_width / 2;
12269     int cursor_from_y = cursor_y - brush_height / 2;
12270     int border_from_x = cursor_x, border_from_y = cursor_y;
12271     int border_to_x = cursor_x, border_to_y = cursor_y;
12272
12273     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
12274       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
12275
12276     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
12277         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
12278     {
12279       delete_old_brush = FALSE;
12280
12281       return;
12282     }
12283
12284     for (y = 0; y < brush_height; y++)
12285     {
12286       for (x = 0; x < brush_width; x++)
12287       {
12288         int sx = cursor_from_x + x;
12289         int sy = cursor_from_y + y;
12290         int lx = sx + level_xpos;
12291         int ly = sy + level_ypos;
12292         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
12293         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
12294                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
12295                        brush_buffer[x][y] : new_element);
12296
12297         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
12298         {
12299           if (sx < border_from_x)
12300             border_from_x = sx;
12301           else if (sx > border_to_x)
12302             border_to_x = sx;
12303           if (sy < border_from_y)
12304             border_from_y = sy;
12305           else if (sy > border_to_y)
12306             border_to_y = sy;
12307
12308           DrawBrushElement(sx, sy, element, change_level);
12309         }
12310       }
12311     }
12312
12313     if (mode != CB_DELETE_OLD_CURSOR)
12314       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
12315
12316     last_cursor_x = cursor_x;
12317     last_cursor_y = cursor_y;
12318
12319     delete_old_brush = TRUE;
12320   }
12321
12322   if (mode == CB_UPDATE_BRUSH_POSITION)
12323   {
12324     last_cursor_x = from_x;
12325     last_cursor_y = from_y;
12326   }
12327 }
12328
12329 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
12330                             int button)
12331 {
12332   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
12333 }
12334
12335 static void CopyBrushToLevel(int x, int y, int button)
12336 {
12337   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
12338 }
12339
12340 static void CopyBrushToCursor(int x, int y)
12341 {
12342   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
12343 }
12344
12345 static void UpdateBrushPosition(int x, int y)
12346 {
12347   CopyBrushExt(x, y, 0, 0, 0, CB_UPDATE_BRUSH_POSITION);
12348 }
12349
12350 static void DeleteBrushFromCursor(void)
12351 {
12352   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
12353 }
12354
12355 void DumpBrush(void)
12356 {
12357   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
12358 }
12359
12360 void DumpBrush_Small(void)
12361 {
12362   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
12363 }
12364
12365 void CopyClipboardToBrush(void)
12366 {
12367   CopyBrushExt(0, 0, 0, 0, 0, CB_CLIPBOARD_TO_BRUSH);
12368 }
12369
12370 void CopyBrushToClipboard(void)
12371 {
12372   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD);
12373 }
12374
12375 void CopyBrushToClipboard_Small(void)
12376 {
12377   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD_SMALL);
12378 }
12379
12380 void UndoLevelEditorOperation(void)
12381 {
12382   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], -1);
12383 }
12384
12385 void RedoLevelEditorOperation(void)
12386 {
12387   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
12388 }
12389
12390 static void FloodFill(int from_x, int from_y, int fill_element)
12391 {
12392   FloodFillLevel(from_x, from_y, fill_element, Feld, lev_fieldx, lev_fieldy);
12393 }
12394
12395 static void FloodFillWall_MM(int from_sx2, int from_sy2, int fill_element)
12396 {
12397   int from_x = from_sx2 + 2 * level_xpos;
12398   int from_y = from_sy2 + 2 * level_ypos;
12399   int max_fillx = lev_fieldx * 2;
12400   int max_filly = lev_fieldy * 2;
12401   short FillFeld[max_fillx][max_filly];
12402   int x, y;
12403
12404   for (x = 0; x < max_fillx; x++)
12405     for (y = 0; y < max_filly; y++)
12406       FillFeld[x][y] = getLevelElementHiRes(x, y);
12407
12408   FloodFillLevelExt(from_x, from_y, fill_element, max_fillx, max_filly,
12409                     FillFeld, max_fillx, max_filly);
12410
12411   for (x = 0; x < max_fillx; x++)
12412     for (y = 0; y < max_filly; y++)
12413       if (FillFeld[x][y] == fill_element)
12414         SetLevelElementHiRes(x, y, FillFeld[x][y]);
12415 }
12416
12417 // values for DrawLevelText() modes
12418 #define TEXT_INIT               0
12419 #define TEXT_SETCURSOR          1
12420 #define TEXT_WRITECHAR          2
12421 #define TEXT_BACKSPACE          3
12422 #define TEXT_NEWLINE            4
12423 #define TEXT_END                5
12424 #define TEXT_QUERY_TYPING       6
12425
12426 static int DrawLevelText(int sx, int sy, char letter, int mode)
12427 {
12428   static short delete_buffer[MAX_LEV_FIELDX];
12429   static int start_sx;
12430   static int last_sx, last_sy;
12431   static boolean typing = FALSE;
12432   int letter_element = EL_CHAR_ASCII0 + letter;
12433   int lx = 0, ly = 0;
12434
12435   // map lower case letters to upper case and convert special characters
12436   if (letter >= 'a' && letter <= 'z')
12437     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
12438   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
12439     letter_element = EL_CHAR_AUMLAUT;
12440   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
12441     letter_element = EL_CHAR_OUMLAUT;
12442   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
12443     letter_element = EL_CHAR_UUMLAUT;
12444   else if (letter == '^')
12445     letter_element = EL_CHAR_COPYRIGHT;
12446   else
12447     letter_element = EL_CHAR_ASCII0 + letter;
12448
12449   if (mode != TEXT_INIT)
12450   {
12451     if (!typing)
12452       return FALSE;
12453
12454     if (mode != TEXT_SETCURSOR)
12455     {
12456       sx = last_sx;
12457       sy = last_sy;
12458     }
12459
12460     lx = last_sx + level_xpos;
12461     ly = last_sy + level_ypos;
12462   }
12463
12464   switch (mode)
12465   {
12466     case TEXT_INIT:
12467       if (typing)
12468         DrawLevelText(0, 0, 0, TEXT_END);
12469
12470       typing = TRUE;
12471       start_sx = sx;
12472       last_sx = sx;
12473       last_sy = sy;
12474       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
12475       break;
12476
12477     case TEXT_SETCURSOR:
12478       DrawEditorElement(last_sx, last_sy, Feld[lx][ly]);
12479       DrawAreaBorder(sx, sy, sx, sy);
12480       StartTextInput(SX + sx * ed_tilesize, SY + sy * ed_tilesize,
12481                      ed_tilesize, ed_tilesize);
12482       last_sx = sx;
12483       last_sy = sy;
12484       break;
12485
12486     case TEXT_WRITECHAR:
12487       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
12488       {
12489         if (new_element1 >= EL_STEEL_CHAR_START &&
12490             new_element1 <= EL_STEEL_CHAR_END)
12491           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
12492
12493         delete_buffer[sx - start_sx] = Feld[lx][ly];
12494         Feld[lx][ly] = letter_element;
12495
12496         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
12497           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
12498         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
12499           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
12500         else
12501           DrawLevelText(0, 0, 0, TEXT_END);
12502
12503         level.changed = TRUE;
12504       }
12505       break;
12506
12507     case TEXT_BACKSPACE:
12508       if (sx > start_sx)
12509       {
12510         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
12511         DrawEditorElement(sx - 1, sy, Feld[lx - 1][ly]);
12512         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
12513       }
12514       break;
12515
12516     case TEXT_NEWLINE:
12517       if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
12518         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
12519       else
12520         DrawLevelText(0, 0, 0, TEXT_END);
12521       break;
12522
12523     case TEXT_END:
12524       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12525       DrawEditorElement(sx, sy, Feld[lx][ly]);
12526       StopTextInput();
12527       typing = FALSE;
12528       break;
12529
12530     case TEXT_QUERY_TYPING:
12531       break;
12532
12533     default:
12534       break;
12535   }
12536
12537   return typing;
12538 }
12539
12540 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
12541                           int element, boolean change_level)
12542 {
12543   int lx = sx + level_xpos;
12544   int ly = sy + level_ypos;
12545
12546   if (element == -1)
12547     DrawEditorElement(sx, sy, Feld[lx][ly]);
12548   else
12549     DrawAreaBorder(sx, sy, sx, sy);
12550 }
12551
12552 static void CheckLevelBorderElement(boolean redraw_playfield)
12553 {
12554   int last_border_element = BorderElement;
12555
12556   SetBorderElement();
12557
12558   if (redraw_playfield && BorderElement != last_border_element)
12559     DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12560 }
12561
12562 static void CopyLevelToUndoBuffer(int mode)
12563 {
12564   static boolean accumulated_undo = FALSE;
12565   boolean new_undo_buffer_position = TRUE;
12566   int x, y;
12567
12568   if (undo_buffer_steps == 0)
12569     accumulated_undo = FALSE;
12570
12571   switch (mode)
12572   {
12573     case UNDO_IMMEDIATE:
12574       accumulated_undo = FALSE;
12575       break;
12576
12577     case UNDO_ACCUMULATE:
12578       if (accumulated_undo)
12579         new_undo_buffer_position = FALSE;
12580       accumulated_undo = TRUE;
12581       break;
12582
12583     default:
12584       break;
12585   }
12586
12587   if (new_undo_buffer_position)
12588   {
12589     // advance position in undo buffer ring
12590     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
12591
12592     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
12593       undo_buffer_steps++;
12594   }
12595
12596   // always reset redo buffer when storing level change into undo buffer
12597   redo_buffer_steps = 0;
12598
12599   for (x = 0; x < lev_fieldx; x++)
12600     for (y = 0; y < lev_fieldy; y++)
12601       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
12602
12603   // check if drawing operation forces change of border style
12604   CheckLevelBorderElement(TRUE);
12605
12606   level.changed = TRUE;
12607 }
12608
12609 static void RandomPlacement(int new_element)
12610 {
12611   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
12612   int num_free_positions = 0;
12613   int num_percentage, num_elements;
12614   int x, y;
12615
12616   ResetIntelliDraw();
12617
12618   // determine number of free positions for randomly placing the new element
12619   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
12620   {
12621     free_position[x][y] =
12622       (random_placement_background_restricted ?
12623        Feld[x][y] == random_placement_background_element :
12624        Feld[x][y] != new_element);
12625
12626     if (free_position[x][y])
12627       num_free_positions++;
12628   }
12629
12630   // determine number of new elements to place there
12631   num_percentage = num_free_positions * random_placement_value / 100;
12632   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
12633                   num_percentage : random_placement_value);
12634
12635   // if less free positions than elements to place, fill all these positions
12636   if (num_free_positions < num_elements)
12637   {
12638     for (x = 0; x < lev_fieldx; x++)
12639       for (y = 0; y < lev_fieldy; y++)
12640         if (free_position[x][y])
12641           SetElement(x, y, new_element);
12642   }
12643   else
12644   {
12645     while (num_elements > 0)
12646     {
12647       x = GetSimpleRandom(lev_fieldx);
12648       y = GetSimpleRandom(lev_fieldy);
12649
12650       // don't place element at the same position twice
12651       if (free_position[x][y])
12652       {
12653         free_position[x][y] = FALSE;
12654         SetElement(x, y, new_element);
12655         num_elements--;
12656       }
12657     }
12658   }
12659
12660   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12661   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12662 }
12663
12664 static void WrapLevel(int dx, int dy)
12665 {
12666   int wrap_dx = lev_fieldx - dx;
12667   int wrap_dy = lev_fieldy - dy;
12668   int x, y;
12669
12670   for (x = 0; x < lev_fieldx; x++)
12671     for (y = 0; y < lev_fieldy; y++)
12672       FieldBackup[x][y] = Feld[x][y];
12673
12674   for (x = 0; x < lev_fieldx; x++)
12675     for (y = 0; y < lev_fieldy; y++)
12676       Feld[x][y] =
12677         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
12678
12679   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12680   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
12681 }
12682
12683 static void CopyLevelTemplateToUserLevelSet(char *levelset_subdir)
12684 {
12685   char *template_filename_old = getLocalLevelTemplateFilename();
12686   char *template_filename_new =
12687     getPath2(getUserLevelDir(levelset_subdir), LEVELTEMPLATE_FILENAME);
12688
12689   if (copyFile(template_filename_old, template_filename_new) != 0)
12690     Request("Cannot copy level template!", REQ_CONFIRM);
12691
12692   free(template_filename_new);
12693 }
12694
12695 static void HandleDrawingAreas(struct GadgetInfo *gi)
12696 {
12697   static boolean started_inside_drawing_area = FALSE;
12698   static int last_sx = -1, last_sy = -1;
12699   static int last_sx2 = -1, last_sy2 = -1;
12700   int id = gi->custom_id;
12701   int type_id = gi->custom_type_id;
12702   boolean button_press_event;
12703   boolean button_release_event;
12704   boolean inside_drawing_area = !gi->event.off_borders;
12705   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
12706   int actual_drawing_function;
12707   int button = gi->event.button;
12708   int new_element = BUTTON_ELEMENT(button);
12709   int sx = gi->event.x, sy = gi->event.y;
12710   int min_sx = 0, min_sy = 0;
12711   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
12712   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
12713   int mini_item_xsize = item_xsize / 2, mini_item_ysize = item_ysize / 2;
12714   int sx2 = gi->event.mx / mini_item_xsize;
12715   int sy2 = gi->event.my / mini_item_ysize;
12716   int dx = sx2 % 2;
12717   int dy = sy2 % 2;
12718   int lx = 0, ly = 0;
12719   int min_lx = 0, min_ly = 0;
12720   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
12721   int x, y;
12722
12723   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
12724   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
12725
12726   // make sure to stay inside drawing area boundaries
12727   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
12728   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
12729
12730   if (draw_level)
12731   {
12732     // get positions inside level field
12733     lx = sx + level_xpos;
12734     ly = sy + level_ypos;
12735
12736     if (!IN_LEV_FIELD(lx, ly))
12737       inside_drawing_area = FALSE;
12738
12739     // make sure to stay inside level field boundaries
12740     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
12741     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
12742
12743     // correct drawing area positions accordingly
12744     sx = lx - level_xpos;
12745     sy = ly - level_ypos;
12746   }
12747
12748   // also correct MM wall-sized (double) drawing area positions accordingly
12749   if (sx2 / 2 < sx || sx2 / 2 > sx)
12750   {
12751     dx = (sx2 / 2 < sx ? 0 : 1);
12752     sx2 = sx * 2 + dx;
12753   }
12754   if (sy2 / 2 < sy || sy2 / 2 > sy)
12755   {
12756     dy = (sy2 / 2 < sy ? 0 : 1);
12757     sy2 = sy * 2 + dy;
12758   }
12759
12760   if (button_release_event)
12761   {
12762     last_sx = -1;
12763     last_sy = -1;
12764     last_sx2 = -1;
12765     last_sy2 = -1;
12766   }
12767   else if (!button_press_event)
12768   {
12769     int old_element = (IN_LEV_FIELD(lx, ly) ? Feld[lx][ly] : EL_UNDEFINED);
12770     boolean hires_drawing = (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
12771                              isHiresTileElement(old_element) &&
12772                              isHiresDrawElement(new_element));
12773
12774     // prevent handling events for every pixel position when moving mouse
12775     if ((sx == last_sx && sy == last_sy && !hires_drawing) ||
12776         (sx2 == last_sx2 && sy2 == last_sy2))
12777       return;
12778   }
12779
12780   last_sx = sx;
12781   last_sy = sy;
12782   last_sx2 = sx2;
12783   last_sy2 = sy2;
12784
12785   if (button_press_event)
12786     started_inside_drawing_area = inside_drawing_area;
12787
12788   if (!started_inside_drawing_area)
12789     return;
12790
12791   if (!IS_VALID_BUTTON(button))
12792     return;
12793
12794   if (!button && !button_release_event)
12795     return;
12796
12797   // handle info callback for each invocation of action callback
12798   gi->callback_info(gi);
12799
12800   // automatically switch to 'single item' drawing mode, if needed
12801   actual_drawing_function =
12802     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
12803      drawing_function : GADGET_ID_SINGLE_ITEMS);
12804
12805   // clicking into drawing area with pressed Control key picks element
12806   if (GetKeyModState() & KMOD_Control)
12807   {
12808     last_drawing_function = drawing_function;
12809     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
12810   }
12811
12812   if (GetKeyModState() & KMOD_Shift)
12813   {
12814     if (button_press_event || button_release_event)
12815       ResetIntelliDraw();
12816   }
12817
12818   SetDrawModeHiRes(-1);         // reset to normal draw mode
12819
12820   switch (actual_drawing_function)
12821   {
12822     case GADGET_ID_SINGLE_ITEMS:
12823       if (draw_level)
12824       {
12825         if (button_release_event)
12826         {
12827           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12828
12829           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
12830               !inside_drawing_area)
12831             DeleteBrushFromCursor();
12832         }
12833
12834         if (!button || button_release_event)
12835           break;
12836
12837         if (draw_with_brush)
12838         {
12839           CopyBrushToLevel(sx, sy, button);
12840         }
12841         else
12842         {
12843           SetDrawModeHiRes(new_element);
12844
12845           if (ELEM_IS_PLAYER(new_element))
12846           {
12847             // remove player at old position
12848             for (y = 0; y < lev_fieldy; y++)
12849             {
12850               for (x = 0; x < lev_fieldx; x++)
12851               {
12852                 int old_element = Feld[x][y];
12853
12854                 if (ELEM_IS_PLAYER(old_element))
12855                 {
12856                   int replaced_with_element =
12857                     (old_element == EL_SOKOBAN_FIELD_PLAYER &&
12858                      new_element == EL_PLAYER_1 ? EL_SOKOBAN_FIELD_EMPTY :
12859
12860                      old_element == EL_SOKOBAN_FIELD_PLAYER &&
12861                      new_element == old_element ? EL_SOKOBAN_FIELD_EMPTY :
12862
12863                      new_element == EL_SOKOBAN_FIELD_PLAYER &&
12864                      old_element == EL_PLAYER_1 ? EL_EMPTY :
12865
12866                      new_element >= EL_PLAYER_1 &&
12867                      new_element <= EL_PLAYER_4 &&
12868                      new_element == old_element ? EL_EMPTY :
12869
12870                      old_element);
12871
12872                   SetElement(x, y, replaced_with_element);
12873                 }
12874               }
12875             }
12876           }
12877
12878           SetElementButton(lx, ly, dx, dy, new_element, button);
12879         }
12880       }
12881       else if (!button_release_event)
12882       {
12883         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
12884
12885         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
12886           DrawMiniGraphicExt(drawto,
12887                              gi->x + sx * MINI_TILEX,
12888                              gi->y + sy * MINI_TILEY,
12889                              el2edimg(new_element));
12890         else
12891           DrawFixedGraphicExt(drawto,
12892                               gi->x + sx * TILEX,
12893                               gi->y + sy * TILEY,
12894                               el2edimg(new_element), 0);
12895
12896         if (id == GADGET_ID_CUSTOM_GRAPHIC)
12897           new_element = GFX_ELEMENT(new_element);
12898
12899         drawingarea_info[type_id].value[pos] = new_element;
12900
12901         CopyElementPropertiesToGame(properties_element);
12902
12903         if (id == GADGET_ID_CUSTOM_GRAPHIC)
12904         {
12905           UpdateCustomElementGraphicGadgets();
12906
12907           FrameCounter = 0;     // restart animation frame counter
12908         }
12909       }
12910       break;
12911
12912     case GADGET_ID_CONNECTED_ITEMS:
12913       {
12914         static int last_sx = -1;
12915         static int last_sy = -1;
12916
12917         if (button_release_event)
12918           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12919
12920         if (button)
12921         {
12922           SetDrawModeHiRes(new_element);
12923
12924           if (getDrawModeHiRes())
12925           {
12926             sx = sx2;
12927             sy = sy2;
12928           }
12929
12930           if (!button_press_event)
12931             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
12932
12933           last_sx = sx;
12934           last_sy = sy;
12935         }
12936       }
12937       break;
12938
12939     case GADGET_ID_LINE:
12940     case GADGET_ID_ARC:
12941     case GADGET_ID_RECTANGLE:
12942     case GADGET_ID_FILLED_BOX:
12943       SetDrawModeHiRes(new_element);
12944
12945       if (getDrawModeHiRes())
12946       {
12947         sx = sx2;
12948         sy = sy2;
12949       }
12950       // FALLTHROUGH
12951     case GADGET_ID_GRAB_BRUSH:
12952     case GADGET_ID_TEXT:
12953       {
12954         static int last_sx = -1;
12955         static int last_sy = -1;
12956         static int start_sx = -1;
12957         static int start_sy = -1;
12958         void (*draw_func)(int, int, int, int, int, boolean);
12959
12960         if (drawing_function == GADGET_ID_LINE)
12961           draw_func = DrawLine;
12962         else if (drawing_function == GADGET_ID_ARC)
12963           draw_func = DrawArc;
12964         else if (drawing_function == GADGET_ID_RECTANGLE)
12965           draw_func = DrawBox;
12966         else if (drawing_function == GADGET_ID_FILLED_BOX)
12967           draw_func = DrawFilledBox;
12968         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
12969           draw_func = SelectArea;
12970         else // (drawing_function == GADGET_ID_TEXT)
12971           draw_func = SetTextCursor;
12972
12973         if (button_press_event)
12974         {
12975           draw_func(sx, sy, sx, sy, new_element, FALSE);
12976           start_sx = last_sx = sx;
12977           start_sy = last_sy = sy;
12978
12979           if (drawing_function == GADGET_ID_TEXT)
12980             DrawLevelText(0, 0, 0, TEXT_END);
12981         }
12982         else if (button_release_event)
12983         {
12984           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
12985           if (drawing_function == GADGET_ID_GRAB_BRUSH)
12986           {
12987             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
12988             CopyBrushToCursor(sx, sy);
12989             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
12990                           MB_LEFTBUTTON);
12991             draw_with_brush = TRUE;
12992           }
12993           else if (drawing_function == GADGET_ID_TEXT)
12994             DrawLevelText(sx, sy, 0, TEXT_INIT);
12995           else
12996             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12997         }
12998         else if (last_sx != sx || last_sy != sy)
12999         {
13000           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
13001           if (IS_MM_WALL_EDITOR(new_element))   // clear wall background
13002             draw_func(start_sx, start_sy, sx, sy, EL_EMPTY, FALSE);
13003           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
13004           last_sx = sx;
13005           last_sy = sy;
13006         }
13007       }
13008       break;
13009
13010     case GADGET_ID_FLOOD_FILL:
13011       if (button_press_event && Feld[lx][ly] != new_element)
13012       {
13013         if (IS_MM_WALL_EDITOR(new_element))
13014           FloodFillWall_MM(sx2, sy2, new_element);
13015         else
13016           FloodFill(lx, ly, new_element);
13017
13018         DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13019         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13020       }
13021       break;
13022
13023     case GADGET_ID_PICK_ELEMENT:
13024       if (button_release_event)
13025         ClickOnGadget(level_editor_gadget[last_drawing_function],
13026                       MB_LEFTBUTTON);
13027       else if (draw_level)
13028         PickDrawingElement(button, Feld[lx][ly]);
13029       else
13030       {
13031         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
13032
13033         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
13034       }
13035
13036     default:
13037       break;
13038   }
13039
13040   // do not mark level as modified for certain non-level-changing gadgets
13041   if ((type_id >= ED_DRAWING_ID_EDITOR_FIRST &&
13042        type_id <= ED_DRAWING_ID_EDITOR_LAST) ||
13043       actual_drawing_function == GADGET_ID_GRAB_BRUSH ||
13044       actual_drawing_function == GADGET_ID_PICK_ELEMENT)
13045     return;
13046
13047   level.changed = TRUE;
13048 }
13049
13050 static void HandleCounterButtons(struct GadgetInfo *gi)
13051 {
13052   int gadget_id = gi->custom_id;
13053   int counter_id = gi->custom_type_id;
13054   int button = gi->event.button;
13055   int *counter_value = counterbutton_info[counter_id].value;
13056   int step = BUTTON_STEPSIZE(button) *
13057     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
13058
13059   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
13060   {
13061     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
13062     boolean released = (gi->event.type == GD_EVENT_RELEASED);
13063     boolean level_changed = LevelChanged();
13064
13065     if ((level_changed && pressed) || (!level_changed && released))
13066       return;
13067
13068     if (level_changed && !Request("Level has changed! Discard changes?",
13069                                   REQ_ASK))
13070     {
13071       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
13072         ModifyEditorCounterValue(counter_id, *counter_value);
13073
13074       return;
13075     }
13076   }
13077
13078   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
13079     *counter_value = gi->textinput.number_value;
13080   else
13081     ModifyEditorCounterValue(counter_id, *counter_value + step);
13082
13083   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
13084   {
13085     int last_game_engine_type = level.game_engine_type;
13086
13087     LoadLevel(level_nr);
13088     LoadScore(level_nr);
13089
13090     SaveLevelSetup_SeriesInfo();
13091
13092     TapeErase();
13093
13094     ResetUndoBuffer();
13095     DrawEditModeWindow();
13096
13097     if (level.game_engine_type != last_game_engine_type)
13098     {
13099       // update element selection list
13100       ReinitializeElementList();
13101       ModifyEditorElementList();
13102     }
13103
13104     return;
13105   }
13106
13107   switch (counter_id)
13108   {
13109     case ED_COUNTER_ID_YAMYAM_CONTENT:
13110       DrawYamYamContentAreas();
13111       break;
13112
13113     case ED_COUNTER_ID_BALL_CONTENT:
13114       DrawMagicBallContentAreas();
13115       break;
13116
13117     case ED_COUNTER_ID_ANDROID_CONTENT:
13118       DrawAndroidElementArea(properties_element);
13119       break;
13120
13121     case ED_COUNTER_ID_GROUP_CONTENT:
13122       DrawGroupElementArea(properties_element);
13123       CopyGroupElementPropertiesToGame(properties_element);
13124       break;
13125
13126     case ED_COUNTER_ID_INVENTORY_SIZE:
13127       DrawPlayerInitialInventoryArea(properties_element);
13128       break;
13129
13130     case ED_COUNTER_ID_ENVELOPE_XSIZE:
13131     case ED_COUNTER_ID_ENVELOPE_YSIZE:
13132       DrawEnvelopeTextArea(-1);
13133       break;
13134
13135     case ED_COUNTER_ID_LEVEL_XSIZE:
13136     case ED_COUNTER_ID_LEVEL_YSIZE:
13137       lev_fieldx = level.fieldx;
13138       lev_fieldy = level.fieldy;
13139
13140       // check if resizing of level results in change of border border
13141       SetBorderElement();
13142
13143       break;
13144
13145     default:
13146       break;
13147   }
13148
13149   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
13150        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
13151       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
13152        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
13153     CopyElementPropertiesToGame(properties_element);
13154
13155   // do not mark level as modified for certain non-level-changing gadgets
13156   if ((counter_id >= ED_COUNTER_ID_LEVELSET_FIRST &&
13157        counter_id <= ED_COUNTER_ID_LEVELSET_LAST) ||
13158       (counter_id >= ED_COUNTER_ID_EDITOR_FIRST &&
13159        counter_id <= ED_COUNTER_ID_EDITOR_LAST))
13160     return;
13161
13162   level.changed = TRUE;
13163 }
13164
13165 static void HandleTextInputGadgets(struct GadgetInfo *gi)
13166 {
13167   int type_id = gi->custom_type_id;
13168
13169   strcpy(textinput_info[type_id].value, gi->textinput.value);
13170
13171   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
13172   {
13173     CopyElementPropertiesToGame(properties_element);
13174
13175     ModifyEditorElementList();  // update changed button info text
13176   }
13177
13178   // do not mark level as modified for certain non-level-changing gadgets
13179   if (type_id >= ED_TEXTINPUT_ID_LEVELSET_FIRST &&
13180       type_id <= ED_TEXTINPUT_ID_LEVELSET_LAST)
13181     return;
13182
13183   level.changed = TRUE;
13184 }
13185
13186 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
13187 {
13188   int type_id = gi->custom_type_id;
13189
13190   strncpy(textarea_info[type_id].value, gi->textarea.value,
13191           MAX_ENVELOPE_TEXT_LEN);
13192   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
13193
13194   level.changed = TRUE;
13195 }
13196
13197 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
13198 {
13199   int type_id = gi->custom_type_id;
13200   int value_old = *selectbox_info[type_id].value;
13201   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
13202
13203   *selectbox_info[type_id].value = value_new;
13204
13205   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE)
13206   {
13207     DrawLevelInfoWindow();
13208   }
13209   else if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
13210   {
13211     element_info[properties_element].current_change_page = gi->selectbox.index;
13212
13213     DrawPropertiesWindow();
13214   }
13215   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
13216             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
13217            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
13218             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
13219            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
13220   {
13221     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
13222     {
13223       // when changing action type, also check action mode and action arg
13224       if (value_old != value_new)
13225         setSelectboxSpecialActionVariablesIfNeeded();
13226
13227       DrawPropertiesChange();
13228     }
13229
13230     CopyElementPropertiesToGame(properties_element);
13231   }
13232   else if (type_id == ED_SELECTBOX_ID_GAME_ENGINE_TYPE)
13233   {
13234     // update element selection list
13235     ReinitializeElementList();
13236     ModifyEditorElementList();
13237   }
13238
13239   // do not mark level as modified for certain non-level-changing gadgets
13240   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE ||
13241       type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
13242     return;
13243
13244   level.changed = TRUE;
13245 }
13246
13247 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
13248 {
13249   int type_id = gi->custom_type_id;
13250   int i;
13251
13252   if (type_id >= ED_TAB_BUTTON_ID_LEVELINFO_FIRST &&
13253       type_id <= ED_TAB_BUTTON_ID_LEVELINFO_LAST)
13254   {
13255     edit_mode_levelinfo = gi->custom_type_id;
13256
13257     DrawLevelInfoWindow();
13258   }
13259   else if (type_id >= ED_TAB_BUTTON_ID_PROPERTIES_FIRST &&
13260            type_id <= ED_TAB_BUTTON_ID_PROPERTIES_LAST)
13261   {
13262     edit_mode_properties = gi->custom_type_id;
13263
13264     DrawPropertiesWindow();
13265   }
13266   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1 ||
13267            type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2)
13268   {
13269     boolean new_template = !fileExists(getLocalLevelTemplateFilename());
13270
13271     // backup original "level.field" (needed to track playfield changes)
13272     CopyPlayfield(level.field, FieldBackup);
13273
13274     // "SaveLevelTemplate()" uses "level.field", so copy editor playfield
13275     CopyPlayfield(Feld, level.field);
13276
13277     if (new_template ||
13278         Request("Save this template and kill the old?", REQ_ASK))
13279       SaveLevelTemplate();
13280
13281     if (new_template)
13282       Request("Template saved!", REQ_CONFIRM);
13283
13284     // restore original "level.field" (needed to track playfield changes)
13285     CopyPlayfield(FieldBackup, level.field);
13286   }
13287   else if (type_id == ED_TEXTBUTTON_ID_SAVE_LEVELSET)
13288   {
13289     char *levelset_subdir = getLevelSubdirFromSaveMode(levelset_save_mode);
13290
13291     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE &&
13292         leveldir_current->readonly)
13293     {
13294       Request("This level set is read only!", REQ_CONFIRM);
13295
13296       return;
13297     }
13298
13299     if (strEqual(levelset_name, ""))
13300     {
13301       Request("Please enter level set title!", REQ_CONFIRM);
13302
13303       return;
13304     }
13305
13306     if (strEqual(levelset_author, ""))
13307     {
13308       Request("Please enter level set author!", REQ_CONFIRM);
13309
13310       return;
13311     }
13312
13313     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE)
13314     {
13315       if (UpdateUserLevelSet(levelset_subdir,
13316                              levelset_name,
13317                              levelset_author,
13318                              levelset_num_levels))
13319       {
13320         Request("Level set updated!", REQ_CONFIRM);
13321       }
13322       else
13323       {
13324         Request("Updating level set failed!", REQ_CONFIRM);
13325       }
13326     }
13327     else if (levelset_save_mode == LEVELSET_SAVE_MODE_CREATE)
13328     {
13329       if (level.changed && !Request("Level has changed! Discard changes?",
13330                                      REQ_ASK))
13331         return;
13332
13333       if (CreateUserLevelSet(levelset_subdir,
13334                              levelset_name,
13335                              levelset_author,
13336                              levelset_num_levels,
13337                              levelset_use_levelset_artwork))
13338       {
13339         if (levelset_copy_level_template)
13340           CopyLevelTemplateToUserLevelSet(levelset_subdir);
13341
13342         Request("New level set created!", REQ_CONFIRM);
13343
13344         AddUserLevelSetToLevelInfo(levelset_subdir);
13345         ChangeEditorToLevelSet(levelset_subdir);
13346       }
13347       else
13348       {
13349         Request("Creating new level set failed!", REQ_CONFIRM);
13350       }
13351     }
13352   }
13353   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
13354            custom_element.num_change_pages < MAX_CHANGE_PAGES)
13355   {
13356     struct ElementInfo *ei = &element_info[properties_element];
13357
13358     // when modifying custom element, ask for copying level template
13359     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
13360       return;
13361
13362     setElementChangePages(ei, ei->num_change_pages + 1);
13363
13364     // set new change page to be new current change page
13365     ei->current_change_page = ei->num_change_pages - 1;
13366     ei->change = &ei->change_page[ei->current_change_page];
13367
13368     setElementChangeInfoToDefaults(ei->change);
13369
13370     DrawPropertiesWindow();
13371
13372     level.changed = TRUE;
13373   }
13374   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
13375            custom_element.num_change_pages > MIN_CHANGE_PAGES)
13376   {
13377     struct ElementInfo *ei = &element_info[properties_element];
13378
13379     // when modifying custom element, ask for copying level template
13380     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
13381       return;
13382
13383     // copy all change pages after change page to be deleted
13384     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
13385       ei->change_page[i] = ei->change_page[i + 1];
13386
13387     setElementChangePages(ei, ei->num_change_pages - 1);
13388
13389     DrawPropertiesWindow();
13390
13391     level.changed = TRUE;
13392   }
13393 }
13394
13395 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
13396 {
13397   int type_id = gi->custom_type_id;
13398
13399   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
13400       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
13401   {
13402     struct ElementInfo *ei = &element_info[properties_element];
13403     int step = BUTTON_STEPSIZE(gi->event.button);
13404
13405     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
13406     ei->current_change_page += step;
13407
13408     if (ei->current_change_page < 0)
13409       ei->current_change_page = 0;
13410     else if (ei->current_change_page >= ei->num_change_pages)
13411       ei->current_change_page = ei->num_change_pages - 1;
13412
13413     DrawPropertiesWindow();
13414   }
13415   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
13416            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
13417   {
13418     struct ElementInfo *ei = &element_info[properties_element];
13419     int current_change_page = ei->current_change_page;
13420
13421     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
13422     {
13423       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
13424         ei->change_page[current_change_page];
13425     }
13426     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
13427     {
13428       // when modifying custom element, ask for copying level template
13429       if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
13430         return;
13431
13432       ei->change_page[current_change_page] =
13433         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
13434
13435       level.changed = TRUE;
13436     }
13437
13438     DrawPropertiesWindow();
13439   }
13440 }
13441
13442 static void HandleRadiobuttons(struct GadgetInfo *gi)
13443 {
13444   int type_id = gi->custom_type_id;
13445
13446   *radiobutton_info[type_id].value =
13447     radiobutton_info[type_id].checked_value;
13448
13449   // do not mark level as modified for certain non-level-changing gadgets
13450   if (type_id >= ED_RADIOBUTTON_ID_EDITOR_FIRST &&
13451       type_id <= ED_RADIOBUTTON_ID_EDITOR_LAST)
13452     return;
13453
13454   level.changed = TRUE;
13455 }
13456
13457 static void HandleCheckbuttons(struct GadgetInfo *gi)
13458 {
13459   int type_id = gi->custom_type_id;
13460
13461   *checkbutton_info[type_id].value ^= TRUE;
13462
13463   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
13464       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
13465       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
13466       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
13467          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
13468         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
13469          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
13470        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1))
13471   {
13472     CopyElementPropertiesToGame(properties_element);
13473   }
13474
13475   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
13476   {
13477     UpdateCustomElementGraphicGadgets();
13478   }
13479   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1 ||
13480            type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2)
13481   {
13482     boolean template_related_changes_found = FALSE;
13483     int i;
13484
13485     // check if any custom or group elements have been changed
13486     for (i = 0; i < NUM_FILE_ELEMENTS; i++)
13487       if ((IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)) &&
13488           element_info[i].modified_settings)
13489         template_related_changes_found = TRUE;
13490
13491     if (level.use_custom_template &&
13492         !fileExists(getGlobalLevelTemplateFilename()))
13493     {
13494       Request("No level template found!", REQ_CONFIRM);
13495
13496       level.use_custom_template = FALSE;
13497
13498       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
13499
13500       return;
13501     }
13502
13503     if (level.use_custom_template &&
13504         template_related_changes_found &&
13505         !Request("Discard changes and use level template?", REQ_ASK))
13506     {
13507       level.use_custom_template = FALSE;
13508
13509       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
13510
13511       return;
13512     }
13513
13514     if (!level.use_custom_template &&
13515         Request("Copy settings from level template?", REQ_ASK))
13516     {
13517       return;
13518     }
13519
13520     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
13521
13522     DrawEditModeWindow();
13523   }
13524   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3)
13525   {
13526     if (setup.editor.use_template_for_new_levels &&
13527         !fileExists(getGlobalLevelTemplateFilename()))
13528     {
13529       Request("No level template found!", REQ_CONFIRM);
13530
13531       return;
13532     }
13533
13534     if (setup.editor.use_template_for_new_levels &&
13535         level.changed &&
13536         !Request("Discard level and load template?", REQ_ASK))
13537     {
13538       return;
13539     }
13540
13541     if (!setup.editor.use_template_for_new_levels &&
13542         level.changed &&
13543         !Request("Discard level and use empty level?", REQ_ASK))
13544     {
13545       return;
13546     }
13547
13548     LoadLevel(level_nr);
13549     LoadScore(level_nr);
13550
13551     TapeErase();
13552
13553     ResetUndoBuffer();
13554     DrawEditModeWindow();
13555   }
13556   else if (type_id == ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS)
13557   {
13558     SetAutomaticNumberOfGemsNeeded();
13559   }
13560
13561   // do not mark level as modified for certain non-level-changing gadgets
13562   if ((type_id >= ED_CHECKBUTTON_ID_LEVELSET_FIRST &&
13563        type_id <= ED_CHECKBUTTON_ID_LEVELSET_LAST) ||
13564       (type_id >= ED_CHECKBUTTON_ID_EDITOR_FIRST &&
13565        type_id <= ED_CHECKBUTTON_ID_EDITOR_LAST &&
13566        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2) ||
13567       type_id == ED_CHECKBUTTON_ID_STICK_ELEMENT)
13568     return;
13569
13570   level.changed = TRUE;
13571 }
13572
13573 static void HandleControlButtons(struct GadgetInfo *gi)
13574 {
13575   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
13576   static int last_edit_mode = ED_MODE_DRAWING;
13577   static int last_custom_copy_mode = -1;
13578   static int last_button = 0;
13579   int id = gi->custom_id;
13580   int button = gi->event.button;
13581   int step = BUTTON_STEPSIZE(button);
13582   int new_element = BUTTON_ELEMENT(button);
13583   int last_properties_element = properties_element;
13584   int x, y;
13585
13586   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
13587     DrawLevelText(0, 0, 0, TEXT_END);
13588
13589   if (id < ED_NUM_CTRL1_BUTTONS &&
13590       id != GADGET_ID_SINGLE_ITEMS &&
13591       id != GADGET_ID_PICK_ELEMENT &&
13592       edit_mode != ED_MODE_DRAWING &&
13593       drawing_function != GADGET_ID_PICK_ELEMENT &&
13594       !(GetKeyModState() & KMOD_Control))
13595     ChangeEditModeWindow(ED_MODE_DRAWING);
13596
13597   // element copy mode active, but no element button pressed => deactivate
13598   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
13599     last_custom_copy_mode = -1;
13600
13601   // when showing palette on element buttons, change element of button used
13602   if (editor.palette.show_on_element_buttons &&
13603       id >= GADGET_ID_ELEMENT_LEFT && id <= GADGET_ID_ELEMENT_RIGHT)
13604   {
13605     last_button = id - GADGET_ID_ELEMENT_LEFT + 1;
13606
13607     id = GADGET_ID_PALETTE;
13608   }
13609
13610   switch (id)
13611   {
13612     case GADGET_ID_SCROLL_LEFT:
13613       if (level_xpos >= 0)
13614       {
13615         if (lev_fieldx < ed_fieldx - 2)
13616           break;
13617
13618         level_xpos -= step;
13619         if (level_xpos < -1)
13620           level_xpos = -1;
13621         if (button == 1)
13622           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
13623         else
13624           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13625
13626         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
13627                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
13628       }
13629       break;
13630
13631     case GADGET_ID_SCROLL_RIGHT:
13632       if (level_xpos <= lev_fieldx - ed_fieldx)
13633       {
13634         if (lev_fieldx < ed_fieldx - 2)
13635           break;
13636
13637         level_xpos += step;
13638         if (level_xpos > lev_fieldx - ed_fieldx + 1)
13639           level_xpos = lev_fieldx - ed_fieldx + 1;
13640         if (button == 1)
13641           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
13642         else
13643           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13644
13645         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
13646                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
13647       }
13648       break;
13649
13650     case GADGET_ID_SCROLL_UP:
13651       if (level_ypos >= 0)
13652       {
13653         if (lev_fieldy < ed_fieldy - 2)
13654           break;
13655
13656         level_ypos -= step;
13657         if (level_ypos < -1)
13658           level_ypos = -1;
13659         if (button == 1)
13660           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
13661         else
13662           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13663
13664         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
13665                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
13666       }
13667       break;
13668
13669     case GADGET_ID_SCROLL_DOWN:
13670       if (level_ypos <= lev_fieldy - ed_fieldy)
13671       {
13672         if (lev_fieldy < ed_fieldy - 2)
13673           break;
13674
13675         level_ypos += step;
13676         if (level_ypos > lev_fieldy - ed_fieldy + 1)
13677           level_ypos = lev_fieldy - ed_fieldy + 1;
13678         if (button == 1)
13679           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_UP);
13680         else
13681           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13682
13683         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
13684                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
13685       }
13686       break;
13687
13688     case GADGET_ID_SCROLL_HORIZONTAL:
13689       level_xpos = gi->event.item_position - 1;
13690
13691       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13692       BackToFront();
13693
13694       break;
13695
13696     case GADGET_ID_SCROLL_VERTICAL:
13697       level_ypos = gi->event.item_position - 1;
13698
13699       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13700       BackToFront();
13701
13702       break;
13703
13704     case GADGET_ID_SCROLL_LIST_UP:
13705     case GADGET_ID_SCROLL_LIST_DOWN:
13706     case GADGET_ID_SCROLL_LIST_VERTICAL:
13707       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
13708         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
13709       else
13710       {
13711         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
13712         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
13713
13714         if (element_shift < 0)
13715           element_shift = 0;
13716         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
13717           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
13718
13719         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
13720                      GDI_SCROLLBAR_ITEM_POSITION,
13721                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
13722       }
13723
13724       ModifyEditorElementList();
13725
13726       break;
13727
13728     case GADGET_ID_PROPERTIES:
13729       // always switch off element properties when they are already displayed
13730       last_properties_element = new_element;
13731     case GADGET_ID_ELEMENT_LEFT:
13732     case GADGET_ID_ELEMENT_MIDDLE:
13733     case GADGET_ID_ELEMENT_RIGHT:
13734       properties_element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
13735                             id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
13736                             id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 :
13737                             new_element);
13738
13739       if (edit_mode != ED_MODE_PROPERTIES)
13740       {
13741         last_edit_mode = edit_mode;
13742
13743         ChangeEditModeWindow(ED_MODE_PROPERTIES);
13744
13745         last_level_drawing_function = drawing_function;
13746         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
13747                       MB_LEFTBUTTON);
13748       }
13749       else if (properties_element != last_properties_element)
13750       {
13751         DrawEditModeWindow();
13752       }
13753       else
13754       {
13755         ChangeEditModeWindow(last_edit_mode);
13756
13757         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
13758                       MB_LEFTBUTTON);
13759       }
13760       break;
13761
13762     case GADGET_ID_PALETTE:
13763       if (edit_mode != ED_MODE_PALETTE)
13764       {
13765         last_edit_mode = edit_mode;
13766
13767         ChangeEditModeWindow(ED_MODE_PALETTE);
13768       }
13769       else
13770       {
13771         ChangeEditModeWindow(last_edit_mode);
13772       }
13773       break;
13774
13775     case GADGET_ID_WRAP_LEFT:
13776       WrapLevel(-step, 0);
13777       break;
13778
13779     case GADGET_ID_WRAP_RIGHT:
13780       WrapLevel(step, 0);
13781       break;
13782
13783     case GADGET_ID_WRAP_UP:
13784       WrapLevel(0, -step);
13785       break;
13786
13787     case GADGET_ID_WRAP_DOWN:
13788       WrapLevel(0, step);
13789       break;
13790
13791     case GADGET_ID_SINGLE_ITEMS:
13792     case GADGET_ID_CONNECTED_ITEMS:
13793     case GADGET_ID_LINE:
13794     case GADGET_ID_ARC:
13795     case GADGET_ID_TEXT:
13796     case GADGET_ID_RECTANGLE:
13797     case GADGET_ID_FILLED_BOX:
13798     case GADGET_ID_FLOOD_FILL:
13799     case GADGET_ID_GRAB_BRUSH:
13800     case GADGET_ID_PICK_ELEMENT:
13801       if (drawing_function != GADGET_ID_PICK_ELEMENT)
13802         last_drawing_function = drawing_function;
13803       drawing_function = id;
13804       draw_with_brush = FALSE;
13805       break;
13806
13807     case GADGET_ID_RANDOM_PLACEMENT:
13808       RandomPlacement(new_element);
13809       break;
13810
13811     case GADGET_ID_ZOOM:
13812       // zoom level editor tile size in or out (or reset to default size)
13813       ed_tilesize = (button == 1 ? ed_tilesize * 2 :
13814                      button == 2 ? ed_tilesize_default :
13815                      button == 3 ? ed_tilesize / 2 : ed_tilesize);
13816
13817       // when using touch device, cycle through all zoom tilesizes
13818       if (runtime.uses_touch_device && ed_tilesize > TILESIZE)
13819         ed_tilesize = MICRO_TILESIZE;
13820
13821       // limit zoom level by upper and lower bound
13822       ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
13823
13824       InitZoomLevelSettings(ed_tilesize);
13825
13826       if (edit_mode == ED_MODE_DRAWING)
13827       {
13828         DrawDrawingWindow();
13829
13830         // redraw zoom gadget info text
13831         PrintEditorGadgetInfoText(level_editor_gadget[id]);
13832       }
13833
13834       // save current editor zoom tilesize
13835       SaveSetup_AutoSetup();
13836
13837       break;
13838
13839     case GADGET_ID_CUSTOM_COPY_FROM:
13840     case GADGET_ID_CUSTOM_COPY_TO:
13841     case GADGET_ID_CUSTOM_EXCHANGE:
13842       last_custom_copy_mode = id;
13843       last_drawing_function = drawing_function;
13844       break;
13845
13846     case GADGET_ID_CUSTOM_COPY:
13847       CopyCustomElement(properties_element, -1, id);
13848       break;
13849
13850     case GADGET_ID_CUSTOM_PASTE:
13851       CopyCustomElement(-1, properties_element, id);
13852       break;
13853
13854     case GADGET_ID_UNDO:
13855       if (button < 0)   // keep button value (even if modifier keys are pressed)
13856         button = -button;
13857       else if (button == 1 && GetKeyModState() & (KMOD_Shift | KMOD_Control))
13858         button = 3;
13859
13860       if (button == 1 && undo_buffer_steps == 0)
13861       {
13862         Request("Undo buffer empty!", REQ_CONFIRM);
13863
13864         break;
13865       }
13866       else if (button == 2)
13867       {
13868         break;
13869       }
13870       else if (button == 3 && redo_buffer_steps == 0)
13871       {
13872         Request("Redo buffer empty!", REQ_CONFIRM);
13873
13874         break;
13875       }
13876
13877       if (edit_mode != ED_MODE_DRAWING)
13878         ChangeEditModeWindow(ED_MODE_DRAWING);
13879
13880       if (button == 1)
13881       {
13882         // undo
13883
13884         undo_buffer_position =
13885           (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
13886
13887         undo_buffer_steps--;
13888         redo_buffer_steps++;
13889       }
13890       else
13891       {
13892         // redo
13893
13894         undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
13895
13896         undo_buffer_steps++;
13897         redo_buffer_steps--;
13898       }
13899
13900       for (x = 0; x < lev_fieldx; x++)
13901         for (y = 0; y < lev_fieldy; y++)
13902           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
13903
13904       // check if undo operation forces change of border style
13905       CheckLevelBorderElement(FALSE);
13906
13907       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13908
13909       break;
13910
13911     case GADGET_ID_INFO:
13912       if (edit_mode != ED_MODE_INFO)
13913       {
13914         last_edit_mode = edit_mode;
13915
13916         ChangeEditModeWindow(ED_MODE_INFO);
13917       }
13918       else
13919       {
13920         ChangeEditModeWindow(last_edit_mode);
13921       }
13922       break;
13923
13924     case GADGET_ID_CLEAR:
13925       if (edit_mode != ED_MODE_DRAWING)
13926         ChangeEditModeWindow(ED_MODE_DRAWING);
13927
13928       for (x = 0; x < MAX_LEV_FIELDX; x++)
13929         for (y = 0; y < MAX_LEV_FIELDY; y++)
13930           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
13931
13932       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
13933
13934       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13935       break;
13936
13937     case GADGET_ID_SAVE:
13938     {
13939       // saving read-only levels into personal level set modifies global vars
13940       // "leveldir_current" and "level_nr"; restore them after saving level
13941       LevelDirTree *leveldir_former = leveldir_current;
13942       int level_nr_former = level_nr;
13943       char *level_filename;
13944       boolean new_level;
13945
13946       if (leveldir_current->readonly &&
13947           !PrepareSavingIntoPersonalLevelSet())
13948         break;
13949
13950       level_filename = getDefaultLevelFilename(level_nr);
13951       new_level = !fileExists(level_filename);
13952
13953       if (new_level ||
13954           Request("Save this level and kill the old?", REQ_ASK))
13955       {
13956         if (leveldir_former->readonly)
13957           ModifyLevelInfoForSavingIntoPersonalLevelSet(leveldir_former->name);
13958
13959         SetAutomaticNumberOfGemsNeeded();
13960
13961         CopyPlayfield(Feld, level.field);
13962         SaveLevel(level_nr);
13963
13964         level.changed = FALSE;
13965
13966         if (new_level)
13967         {
13968           char level_saved_msg[64];
13969
13970           if (leveldir_former->readonly)
13971             sprintf(level_saved_msg,
13972                     "Level saved as level %d into personal level set!",
13973                     level_nr);
13974           else
13975             strcpy(level_saved_msg, "Level saved!");
13976
13977           Request(level_saved_msg, REQ_CONFIRM);
13978         }
13979       }
13980
13981       // "cd" back to copied-from levelset (in case of saved read-only level)
13982       leveldir_current = leveldir_former;
13983       level_nr = level_nr_former;
13984
13985       break;
13986     }
13987
13988     case GADGET_ID_TEST:
13989       if (LevelChanged())
13990         level.game_version = GAME_VERSION_ACTUAL;
13991
13992       CopyPlayfield(level.field, FieldBackup);
13993       CopyPlayfield(Feld, level.field);
13994
13995       CopyNativeLevel_RND_to_Native(&level);
13996
13997       UnmapLevelEditorGadgets();
13998       UndrawSpecialEditorDoor();
13999
14000       CloseDoor(DOOR_CLOSE_ALL);
14001
14002       // needed before playing if editor playfield area has different size
14003       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
14004
14005       // redraw_mask = REDRAW_ALL;
14006
14007       level_editor_test_game = TRUE;
14008
14009       StartGameActions(FALSE, setup.autorecord, level.random_seed);
14010
14011       break;
14012
14013     case GADGET_ID_EXIT:
14014       RequestExitLevelEditor(TRUE, FALSE);  // if level has changed, ask user
14015       break;
14016
14017     default:
14018       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
14019           id <= GADGET_ID_ELEMENTLIST_LAST)
14020       {
14021         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
14022         int new_element = editor_elements[element_position + element_shift];
14023
14024         if (IS_EDITOR_CASCADE(new_element))
14025         {
14026           int i;
14027
14028           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
14029           {
14030             int *cascade_element= &(*editor_elements_info[i].headline_list)[0];
14031             boolean *cascade_value=editor_elements_info[i].setup_cascade_value;
14032
14033             if (*cascade_element == new_element)
14034             {
14035               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
14036               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
14037
14038               // update element selection list
14039               ReinitializeElementList();
14040               ModifyEditorElementList();
14041
14042               // update cascading gadget info text
14043               PrintEditorGadgetInfoText(level_editor_gadget[id]);
14044
14045               // save current editor cascading state
14046               SaveSetup_EditorCascade();
14047
14048               break;
14049             }
14050           }
14051
14052           break;
14053         }
14054
14055         if (last_custom_copy_mode != -1)
14056         {
14057           if (CopyCustomElement(properties_element, new_element,
14058                                 last_custom_copy_mode))
14059           {
14060             ClickOnGadget(level_editor_gadget[last_drawing_function],
14061                           MB_LEFTBUTTON);
14062
14063             last_custom_copy_mode = -1;
14064           }
14065
14066           break;
14067         }
14068
14069         // change element of button used to show palette
14070         if (editor.palette.show_on_element_buttons)
14071           button = last_button;
14072
14073         PickDrawingElement(button, new_element);
14074
14075         if (!stick_element_properties_window &&
14076             drawing_function != GADGET_ID_PICK_ELEMENT &&
14077             !(GetKeyModState() & KMOD_Control))
14078         {
14079           properties_element = new_element;
14080           if (edit_mode == ED_MODE_PROPERTIES)
14081             DrawPropertiesWindow();
14082         }
14083
14084         if (drawing_function == GADGET_ID_PICK_ELEMENT)
14085           ClickOnGadget(level_editor_gadget[last_drawing_function],
14086                         MB_LEFTBUTTON);
14087
14088         if (!use_permanent_palette)
14089           ChangeEditModeWindow(last_edit_mode);
14090       }
14091 #ifdef DEBUG
14092       else if (gi->event.type == GD_EVENT_PRESSED)
14093         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
14094       else if (gi->event.type == GD_EVENT_RELEASED)
14095         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
14096       else if (gi->event.type == GD_EVENT_MOVING)
14097         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
14098       else
14099         printf("default: HandleControlButtons: ? (id == %d)\n", id);
14100 #endif
14101       break;
14102   }
14103 }
14104
14105 void HandleLevelEditorKeyInput(Key key)
14106 {
14107   char letter = getCharFromKey(key);
14108
14109   if (drawing_function == GADGET_ID_TEXT &&
14110       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
14111   {
14112     if (letter)
14113       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
14114     else if (key == KSYM_Delete || key == KSYM_BackSpace)
14115       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
14116     else if (key == KSYM_Return)
14117       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
14118     else if (key == KSYM_Escape)
14119       DrawLevelText(0, 0, 0, TEXT_END);
14120
14121     return;
14122   }
14123
14124   int id = GADGET_ID_NONE;
14125   int new_element_shift = element_shift;
14126   int step = ED_ELEMENTLIST_BUTTONS_VERT - 1;
14127   int button = MB_LEFTBUTTON;
14128   int i;
14129
14130   switch (key)
14131   {
14132     case KSYM_Left:
14133       id = GADGET_ID_SCROLL_LEFT;
14134       break;
14135     case KSYM_Right:
14136       id = GADGET_ID_SCROLL_RIGHT;
14137       break;
14138     case KSYM_Up:
14139       id = GADGET_ID_SCROLL_UP;
14140       break;
14141     case KSYM_Down:
14142       id = GADGET_ID_SCROLL_DOWN;
14143       break;
14144
14145     case KSYM_Page_Up:
14146     case KSYM_Page_Down:
14147       step *= (key == KSYM_Page_Up ? -1 : +1);
14148       element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
14149
14150       if (element_shift < 0)
14151         element_shift = 0;
14152       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
14153         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
14154
14155       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
14156                    GDI_SCROLLBAR_ITEM_POSITION,
14157                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
14158
14159       ModifyEditorElementList();
14160
14161       break;
14162
14163     case KSYM_Home:
14164     case KSYM_End:
14165       element_shift = (key == KSYM_Home ? 0 :
14166                        num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
14167
14168       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
14169                    GDI_SCROLLBAR_ITEM_POSITION,
14170                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
14171
14172       ModifyEditorElementList();
14173
14174       break;
14175
14176     case KSYM_Insert:
14177     case KSYM_Delete:
14178
14179       // this is needed to prevent interference with running "True X-Mouse"
14180       if (GetKeyModStateFromEvents() & KMOD_Control)
14181         break;
14182
14183       // check for last or next editor cascade block in element list
14184       for (i = 0; i < num_editor_elements; i++)
14185       {
14186         if ((key == KSYM_Insert && i == element_shift) ||
14187             (key == KSYM_Delete && new_element_shift > element_shift))
14188           break;
14189
14190         // jump to next cascade block (or to start of element list)
14191         if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
14192           new_element_shift = i;
14193       }
14194
14195       if (i < num_editor_elements)
14196         element_shift = new_element_shift;
14197
14198       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
14199         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
14200
14201       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
14202                    GDI_SCROLLBAR_ITEM_POSITION,
14203                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
14204
14205       ModifyEditorElementList();
14206
14207       break;
14208
14209     case KSYM_Escape:
14210       if (edit_mode == ED_MODE_DRAWING)
14211         RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
14212       else if (edit_mode == ED_MODE_INFO)
14213         HandleControlButtons(level_editor_gadget[GADGET_ID_INFO]);
14214       else if (edit_mode == ED_MODE_PROPERTIES)
14215         HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
14216       else if (edit_mode == ED_MODE_PALETTE)
14217         HandleControlButtons(level_editor_gadget[GADGET_ID_PALETTE]);
14218       else              // should never happen
14219         ChangeEditModeWindow(ED_MODE_DRAWING);
14220
14221       break;
14222
14223     default:
14224       break;
14225   }
14226
14227   if (id != GADGET_ID_NONE)
14228     ClickOnGadget(level_editor_gadget[id], button);
14229   else if (letter == '1' || letter == '?')
14230     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_LEFT], button);
14231   else if (letter == '2')
14232     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_MIDDLE], button);
14233   else if (letter == '3')
14234     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_RIGHT], button);
14235   else if (letter == '.')
14236     ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
14237   else if (letter == 'U')
14238     ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
14239   else if (letter == '-' || key == KSYM_KP_Subtract)
14240     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 3);
14241   else if (letter == '0' || key == KSYM_KP_0)
14242     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 2);
14243   else if (letter == '+' || key == KSYM_KP_Add ||
14244            letter == '=')       // ("Shift-=" is "+" on US keyboards)
14245     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 1);
14246   else if (key == KSYM_Return ||
14247            key == KSYM_space ||
14248            key == setup.shortcut.toggle_pause)
14249     ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
14250   else
14251     for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
14252       if (letter && letter == controlbutton_info[i].shortcut)
14253         if (!anyTextGadgetActive())
14254           ClickOnGadget(level_editor_gadget[i], button);
14255 }
14256
14257 void HandleLevelEditorIdle(void)
14258 {
14259   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
14260   int x = editor.settings.element_graphic.x + element_border;
14261   int y = editor.settings.element_graphic.y + element_border;
14262   static unsigned int action_delay = 0;
14263   unsigned int action_delay_value = GameFrameDelay;
14264   int i;
14265
14266   if (edit_mode != ED_MODE_PROPERTIES)
14267     return;
14268
14269   if (!DelayReached(&action_delay, action_delay_value))
14270     return;
14271
14272   for (i = 0; i < ED_NUM_SELECTBOX; i++)
14273   {
14274     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
14275
14276     if (gi->mapped && gi->active && gi->selectbox.open)
14277       return;
14278   }
14279
14280   DrawEditorElementAnimation(SX + x, SY + y);
14281
14282   redraw_mask |= REDRAW_FIELD;
14283
14284   FrameCounter++;       // increase animation frame counter
14285 }
14286
14287 static void ClearEditorGadgetInfoText(void)
14288 {
14289   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
14290 }
14291
14292 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
14293 {
14294   char infotext[MAX_OUTPUT_LINESIZE + 1];
14295   char shortcut[MAX_OUTPUT_LINESIZE + 1];
14296   int max_infotext_len = getMaxInfoTextLength();
14297
14298   if (gi == NULL || strlen(gi->info_text) == 0)
14299     return;
14300
14301   strncpy(infotext, gi->info_text, max_infotext_len);
14302   infotext[max_infotext_len] = '\0';
14303
14304   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
14305   {
14306     int key = controlbutton_info[gi->custom_id].shortcut;
14307
14308     if (key)
14309     {
14310       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)
14311         sprintf(shortcut, " ('.' or '%c')", key);
14312       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT)
14313         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
14314       else if (gi->custom_id == GADGET_ID_TEST)
14315         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
14316       else if (gi->custom_id == GADGET_ID_UNDO)
14317         sprintf(shortcut, " ('%c/Shift-U')", key);
14318       else if (gi->custom_id == GADGET_ID_ZOOM)
14319         sprintf(shortcut, " ('%c', '0', '-')", key);
14320       else
14321         sprintf(shortcut, " ('%s%c')",
14322                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
14323
14324       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
14325         strcat(infotext, shortcut);
14326     }
14327   }
14328
14329   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, INFOTEXT_FONT);
14330 }
14331
14332 void HandleEditorGadgetInfoText(void *ptr)
14333 {
14334   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
14335
14336   if (game_status != GAME_MODE_EDITOR)
14337     return;
14338
14339   ClearEditorGadgetInfoText();
14340
14341   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
14342     return;
14343
14344   // misuse this function to delete brush cursor, if needed
14345   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
14346     DeleteBrushFromCursor();
14347
14348   PrintEditorGadgetInfoText(gi);
14349 }
14350
14351 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
14352 {
14353   static int start_lx, start_ly;
14354   int id = gi->custom_id;
14355   int type_id = gi->custom_type_id;
14356   int sx = gi->event.x;
14357   int sy = gi->event.y;
14358   int lx = sx + level_xpos;
14359   int ly = sy + level_ypos;
14360   int min_sx = 0, min_sy = 0;
14361   int max_sx = gi->drawing.area_xsize - 1;
14362   int max_sy = gi->drawing.area_ysize - 1;
14363   int actual_drawing_function = drawing_function;
14364   int max_infotext_len = getMaxInfoTextLength();
14365   char infotext[MAX_OUTPUT_LINESIZE + 1];
14366   char *text;
14367
14368   infotext[0] = '\0';           // start with empty info text
14369
14370   // pressed Control key: simulate picking element
14371   if (GetKeyModState() & KMOD_Control)
14372     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
14373
14374   ClearEditorGadgetInfoText();
14375
14376   if (gi->event.type == GD_EVENT_INFO_LEAVING)
14377     return;
14378
14379   // make sure to stay inside drawing area boundaries
14380   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
14381   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
14382
14383   if (id == GADGET_ID_DRAWING_LEVEL)
14384   {
14385     if (button_status)
14386     {
14387       int min_lx = 0, min_ly = 0;
14388       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
14389
14390       // get positions inside level field
14391       lx = sx + level_xpos;
14392       ly = sy + level_ypos;
14393
14394       // make sure to stay inside level field boundaries
14395       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
14396       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
14397
14398       // correct drawing area positions accordingly
14399       sx = lx - level_xpos;
14400       sy = ly - level_ypos;
14401     }
14402
14403     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
14404     {
14405       if (button_status)        // if (gi->state == GD_BUTTON_PRESSED)
14406       {
14407         if (gi->event.type == GD_EVENT_PRESSED)
14408         {
14409           start_lx = lx;
14410           start_ly = ly;
14411         }
14412
14413         switch (actual_drawing_function)
14414         {
14415           case GADGET_ID_SINGLE_ITEMS:
14416             text = "Drawing single items";
14417             break;
14418           case GADGET_ID_CONNECTED_ITEMS:
14419             text = "Drawing connected items";
14420             break;
14421           case GADGET_ID_LINE:
14422             text = "Drawing line";
14423             break;
14424           case GADGET_ID_ARC:
14425             text = "Drawing arc";
14426             break;
14427           case GADGET_ID_TEXT:
14428             text = "Setting text cursor";
14429             break;
14430           case GADGET_ID_RECTANGLE:
14431             text = "Drawing rectangle";
14432             break;
14433           case GADGET_ID_FILLED_BOX:
14434             text = "Drawing filled box";
14435             break;
14436           case GADGET_ID_FLOOD_FILL:
14437             text = "Flood fill";
14438             break;
14439           case GADGET_ID_GRAB_BRUSH:
14440             text = "Grabbing brush";
14441             break;
14442           case GADGET_ID_PICK_ELEMENT:
14443             text = "Picking element";
14444             break;
14445
14446           default:
14447             text = "Drawing position";
14448             break;
14449         }
14450
14451         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
14452           sprintf(infotext, "%s: %d, %d", text, lx, ly);
14453         else
14454           sprintf(infotext, "%s: %d, %d", text,
14455                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
14456       }
14457       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
14458         strncpy(infotext, getElementInfoText(Feld[lx][ly]), max_infotext_len);
14459       else
14460         sprintf(infotext, "Level position: %d, %d", lx, ly);
14461     }
14462
14463     // misuse this function to draw brush cursor, if needed
14464     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
14465     {
14466       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
14467         CopyBrushToCursor(sx, sy);
14468       else
14469         DeleteBrushFromCursor();
14470     }
14471
14472     if (!draw_with_brush)
14473       UpdateBrushPosition(sx, sy);
14474   }
14475   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
14476   {
14477     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
14478     int element = drawingarea_info[type_id].value[pos];
14479
14480     strncpy(infotext, getElementInfoText(element), max_infotext_len);
14481   }
14482   else
14483   {
14484     if (id == GADGET_ID_CUSTOM_CONTENT)
14485       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
14486     else if (id == GADGET_ID_GROUP_CONTENT)
14487       sprintf(infotext, "group element position: %d", sx + 1);
14488     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
14489              id <= GADGET_ID_YAMYAM_CONTENT_7)
14490       sprintf(infotext, "content area %d position: %d, %d",
14491               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
14492     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
14493              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
14494       sprintf(infotext, "content area %d position: %d, %d",
14495               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
14496     else if (id == GADGET_ID_ANDROID_CONTENT)
14497       sprintf(infotext, "android element position: %d", sx + 1);
14498     else if (drawingarea_info[type_id].infotext != NULL)
14499       strcpy(infotext, drawingarea_info[type_id].infotext);
14500   }
14501
14502   infotext[max_infotext_len] = '\0';
14503
14504   if (strlen(infotext) > 0)
14505     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT, infotext);
14506 }
14507
14508 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
14509                             boolean quick_quit)
14510 {
14511   if (!ask_if_level_has_changed ||
14512       !LevelChanged() ||
14513       Request("Level has changed! Exit without saving?",
14514               REQ_ASK | REQ_STAY_OPEN))
14515   {
14516     struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
14517     struct RectWithBorder *vp_door_2 = &viewport.door_2[GAME_MODE_MAIN];
14518
14519     // draw normal door
14520     UndrawSpecialEditorDoor();
14521
14522     // use door animation if door 1 viewport is unchanged and contains toolbox
14523     if (useEditorDoorAnimation())
14524       CloseDoor(DOOR_CLOSE_1 | DOOR_FORCE_ANIM);
14525
14526     // close editor doors if viewport definition is the same as in main menu
14527     if (vp_door_1->x      == DX     &&
14528         vp_door_1->y      == DY     &&
14529         vp_door_1->width  == DXSIZE &&
14530         vp_door_1->height == DYSIZE &&
14531         vp_door_2->x      == VX     &&
14532         vp_door_2->y      == VY     &&
14533         vp_door_2->width  == VXSIZE &&
14534         vp_door_2->height == VYSIZE)
14535       CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
14536     else
14537       SetDoorState(DOOR_CLOSE_2);
14538
14539     BackToFront();
14540
14541     if (quick_quit)
14542       FadeSkipNextFadeIn();
14543
14544     SetGameStatus(GAME_MODE_MAIN);
14545
14546     DrawMainMenu();
14547   }
14548   else
14549   {
14550     if (!global.use_envelope_request)
14551     {
14552       CloseDoor(DOOR_CLOSE_1);
14553       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
14554     }
14555   }
14556 }