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   -----------------------------------------------------------------------------
  30   screen and artwork graphic pixel position definitions
  31   -----------------------------------------------------------------------------
  32 */
  33
  34 /* values for the control window */
  35 #define ED_CTRL1_BUTTONS_HORIZ          4       /* toolbox */
  36 #define ED_CTRL1_BUTTONS_VERT           4
  37 #define ED_CTRL2_BUTTONS_HORIZ          3       /* level */
  38 #define ED_CTRL2_BUTTONS_VERT           2
  39 #define ED_CTRL3_BUTTONS_HORIZ          3       /* CE and GE */
  40 #define ED_CTRL3_BUTTONS_VERT           1
  41 #define ED_CTRL4_BUTTONS_HORIZ          2       /* CE and GE */
  42 #define ED_CTRL4_BUTTONS_VERT           1
  43 #define ED_CTRL5_BUTTONS_HORIZ          1       /* properties */
  44 #define ED_CTRL5_BUTTONS_VERT           1
  45 #define ED_CTRL6_BUTTONS_HORIZ          3       /* properties */
  46 #define ED_CTRL6_BUTTONS_VERT           1
  47 #define ED_CTRL7_BUTTONS_HORIZ          1       /* palette */
  48 #define ED_CTRL7_BUTTONS_VERT           1
  49
  50 #define ED_NUM_CTRL1_BUTTONS   (ED_CTRL1_BUTTONS_HORIZ * ED_CTRL1_BUTTONS_VERT)
  51 #define ED_NUM_CTRL2_BUTTONS   (ED_CTRL2_BUTTONS_HORIZ * ED_CTRL2_BUTTONS_VERT)
  52 #define ED_NUM_CTRL3_BUTTONS   (ED_CTRL3_BUTTONS_HORIZ * ED_CTRL3_BUTTONS_VERT)
  53 #define ED_NUM_CTRL4_BUTTONS   (ED_CTRL4_BUTTONS_HORIZ * ED_CTRL4_BUTTONS_VERT)
  54 #define ED_NUM_CTRL5_BUTTONS   (ED_CTRL5_BUTTONS_HORIZ * ED_CTRL5_BUTTONS_VERT)
  55 #define ED_NUM_CTRL6_BUTTONS   (ED_CTRL6_BUTTONS_HORIZ * ED_CTRL6_BUTTONS_VERT)
  56 #define ED_NUM_CTRL7_BUTTONS   (ED_CTRL7_BUTTONS_HORIZ * ED_CTRL7_BUTTONS_VERT)
  57 #define ED_NUM_CTRL1_2_BUTTONS (ED_NUM_CTRL1_BUTTONS   + ED_NUM_CTRL2_BUTTONS)
  58 #define ED_NUM_CTRL1_3_BUTTONS (ED_NUM_CTRL1_2_BUTTONS + ED_NUM_CTRL3_BUTTONS)
  59 #define ED_NUM_CTRL1_4_BUTTONS (ED_NUM_CTRL1_3_BUTTONS + ED_NUM_CTRL4_BUTTONS)
  60 #define ED_NUM_CTRL1_5_BUTTONS (ED_NUM_CTRL1_4_BUTTONS + ED_NUM_CTRL5_BUTTONS)
  61 #define ED_NUM_CTRL1_6_BUTTONS (ED_NUM_CTRL1_5_BUTTONS + ED_NUM_CTRL6_BUTTONS)
  62 #define ED_NUM_CTRL1_7_BUTTONS (ED_NUM_CTRL1_6_BUTTONS + ED_NUM_CTRL7_BUTTONS)
  63 #define ED_NUM_CTRL_BUTTONS    ED_NUM_CTRL1_7_BUTTONS
  64
  65 /* values for the element list */
  66 #define ED_ELEMENTLIST_XPOS             (editor.palette.x)
  67 #define ED_ELEMENTLIST_YPOS             (editor.palette.y)
  68 #define ED_ELEMENTLIST_XSIZE            (graphic_info[IMG_EDITOR_PALETTE_BUTTON].width)
  69 #define ED_ELEMENTLIST_YSIZE            (graphic_info[IMG_EDITOR_PALETTE_BUTTON].height)
  70 #define ED_ELEMENTLIST_BUTTONS_HORIZ    (editor.palette.cols)
  71 #define ED_ELEMENTLIST_BUTTONS_VERT     (editor.palette.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   -----------------------------------------------------------------------------
 359   editor gadget definitions
 360   -----------------------------------------------------------------------------
 361 */
 362
 363 /* drawing toolbox buttons */
 364 #define GADGET_ID_NONE                  -1
 365 #define GADGET_ID_TOOLBOX_FIRST         0
 366
 367 #define GADGET_ID_SINGLE_ITEMS          (GADGET_ID_TOOLBOX_FIRST + 0)
 368 #define GADGET_ID_CONNECTED_ITEMS       (GADGET_ID_TOOLBOX_FIRST + 1)
 369 #define GADGET_ID_LINE                  (GADGET_ID_TOOLBOX_FIRST + 2)
 370 #define GADGET_ID_ARC                   (GADGET_ID_TOOLBOX_FIRST + 3)
 371 #define GADGET_ID_RECTANGLE             (GADGET_ID_TOOLBOX_FIRST + 4)
 372 #define GADGET_ID_FILLED_BOX            (GADGET_ID_TOOLBOX_FIRST + 5)
 373 #define GADGET_ID_WRAP_UP               (GADGET_ID_TOOLBOX_FIRST + 6)
 374 #define GADGET_ID_TEXT                  (GADGET_ID_TOOLBOX_FIRST + 7)
 375 #define GADGET_ID_FLOOD_FILL            (GADGET_ID_TOOLBOX_FIRST + 8)
 376 #define GADGET_ID_WRAP_LEFT             (GADGET_ID_TOOLBOX_FIRST + 9)
 377 #define GADGET_ID_ZOOM                  (GADGET_ID_TOOLBOX_FIRST + 10)
 378 #define GADGET_ID_WRAP_RIGHT            (GADGET_ID_TOOLBOX_FIRST + 11)
 379 #define GADGET_ID_RANDOM_PLACEMENT      (GADGET_ID_TOOLBOX_FIRST + 12)
 380 #define GADGET_ID_GRAB_BRUSH            (GADGET_ID_TOOLBOX_FIRST + 13)
 381 #define GADGET_ID_WRAP_DOWN             (GADGET_ID_TOOLBOX_FIRST + 14)
 382 #define GADGET_ID_PICK_ELEMENT          (GADGET_ID_TOOLBOX_FIRST + 15)
 383
 384 #define GADGET_ID_UNDO                  (GADGET_ID_TOOLBOX_FIRST + 16)
 385 #define GADGET_ID_INFO                  (GADGET_ID_TOOLBOX_FIRST + 17)
 386 #define GADGET_ID_SAVE                  (GADGET_ID_TOOLBOX_FIRST + 18)
 387 #define GADGET_ID_CLEAR                 (GADGET_ID_TOOLBOX_FIRST + 19)
 388 #define GADGET_ID_TEST                  (GADGET_ID_TOOLBOX_FIRST + 20)
 389 #define GADGET_ID_EXIT                  (GADGET_ID_TOOLBOX_FIRST + 21)
 390
 391 #define GADGET_ID_CUSTOM_COPY_FROM      (GADGET_ID_TOOLBOX_FIRST + 22)
 392 #define GADGET_ID_CUSTOM_COPY_TO        (GADGET_ID_TOOLBOX_FIRST + 23)
 393 #define GADGET_ID_CUSTOM_EXCHANGE       (GADGET_ID_TOOLBOX_FIRST + 24)
 394 #define GADGET_ID_CUSTOM_COPY           (GADGET_ID_TOOLBOX_FIRST + 25)
 395 #define GADGET_ID_CUSTOM_PASTE          (GADGET_ID_TOOLBOX_FIRST + 26)
 396
 397 #define GADGET_ID_PROPERTIES            (GADGET_ID_TOOLBOX_FIRST + 27)
 398 #define GADGET_ID_ELEMENT_LEFT          (GADGET_ID_TOOLBOX_FIRST + 28)
 399 #define GADGET_ID_ELEMENT_MIDDLE        (GADGET_ID_TOOLBOX_FIRST + 29)
 400 #define GADGET_ID_ELEMENT_RIGHT         (GADGET_ID_TOOLBOX_FIRST + 30)
 401 #define GADGET_ID_PALETTE               (GADGET_ID_TOOLBOX_FIRST + 31)
 402
 403 /* counter gadget identifiers */
 404 #define GADGET_ID_COUNTER_FIRST         (GADGET_ID_TOOLBOX_FIRST + 32)
 405
 406 #define GADGET_ID_SELECT_LEVEL_DOWN     (GADGET_ID_COUNTER_FIRST + 0)
 407 #define GADGET_ID_SELECT_LEVEL_TEXT     (GADGET_ID_COUNTER_FIRST + 1)
 408 #define GADGET_ID_SELECT_LEVEL_UP       (GADGET_ID_COUNTER_FIRST + 2)
 409 #define GADGET_ID_LEVEL_XSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 3)
 410 #define GADGET_ID_LEVEL_XSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 4)
 411 #define GADGET_ID_LEVEL_XSIZE_UP        (GADGET_ID_COUNTER_FIRST + 5)
 412 #define GADGET_ID_LEVEL_YSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 6)
 413 #define GADGET_ID_LEVEL_YSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 7)
 414 #define GADGET_ID_LEVEL_YSIZE_UP        (GADGET_ID_COUNTER_FIRST + 8)
 415 #define GADGET_ID_LEVEL_RANDOM_DOWN     (GADGET_ID_COUNTER_FIRST + 9)
 416 #define GADGET_ID_LEVEL_RANDOM_TEXT     (GADGET_ID_COUNTER_FIRST + 10)
 417 #define GADGET_ID_LEVEL_RANDOM_UP       (GADGET_ID_COUNTER_FIRST + 11)
 418 #define GADGET_ID_LEVEL_GEMSLIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 12)
 419 #define GADGET_ID_LEVEL_GEMSLIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 13)
 420 #define GADGET_ID_LEVEL_GEMSLIMIT_UP    (GADGET_ID_COUNTER_FIRST + 14)
 421 #define GADGET_ID_LEVEL_TIMELIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 15)
 422 #define GADGET_ID_LEVEL_TIMELIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 16)
 423 #define GADGET_ID_LEVEL_TIMELIMIT_UP    (GADGET_ID_COUNTER_FIRST + 17)
 424 #define GADGET_ID_LEVEL_TIMESCORE_DOWN  (GADGET_ID_COUNTER_FIRST + 18)
 425 #define GADGET_ID_LEVEL_TIMESCORE_TEXT  (GADGET_ID_COUNTER_FIRST + 19)
 426 #define GADGET_ID_LEVEL_TIMESCORE_UP    (GADGET_ID_COUNTER_FIRST + 20)
 427 #define GADGET_ID_LEVEL_RANDOM_SEED_DOWN (GADGET_ID_COUNTER_FIRST + 21)
 428 #define GADGET_ID_LEVEL_RANDOM_SEED_TEXT (GADGET_ID_COUNTER_FIRST + 22)
 429 #define GADGET_ID_LEVEL_RANDOM_SEED_UP  (GADGET_ID_COUNTER_FIRST + 23)
 430 #define GADGET_ID_LEVELSET_NUM_LEVELS_DOWN (GADGET_ID_COUNTER_FIRST + 24)
 431 #define GADGET_ID_LEVELSET_NUM_LEVELS_TEXT (GADGET_ID_COUNTER_FIRST + 25)
 432 #define GADGET_ID_LEVELSET_NUM_LEVELS_UP   (GADGET_ID_COUNTER_FIRST + 26)
 433 #define GADGET_ID_ELEMENT_VALUE1_DOWN   (GADGET_ID_COUNTER_FIRST + 27)
 434 #define GADGET_ID_ELEMENT_VALUE1_TEXT   (GADGET_ID_COUNTER_FIRST + 28)
 435 #define GADGET_ID_ELEMENT_VALUE1_UP     (GADGET_ID_COUNTER_FIRST + 29)
 436 #define GADGET_ID_ELEMENT_VALUE2_DOWN   (GADGET_ID_COUNTER_FIRST + 30)
 437 #define GADGET_ID_ELEMENT_VALUE2_TEXT   (GADGET_ID_COUNTER_FIRST + 31)
 438 #define GADGET_ID_ELEMENT_VALUE2_UP     (GADGET_ID_COUNTER_FIRST + 32)
 439 #define GADGET_ID_ELEMENT_VALUE3_DOWN   (GADGET_ID_COUNTER_FIRST + 33)
 440 #define GADGET_ID_ELEMENT_VALUE3_TEXT   (GADGET_ID_COUNTER_FIRST + 34)
 441 #define GADGET_ID_ELEMENT_VALUE3_UP     (GADGET_ID_COUNTER_FIRST + 35)
 442 #define GADGET_ID_ELEMENT_VALUE4_DOWN   (GADGET_ID_COUNTER_FIRST + 36)
 443 #define GADGET_ID_ELEMENT_VALUE4_TEXT   (GADGET_ID_COUNTER_FIRST + 37)
 444 #define GADGET_ID_ELEMENT_VALUE4_UP     (GADGET_ID_COUNTER_FIRST + 38)
 445 #define GADGET_ID_YAMYAM_CONTENT_DOWN   (GADGET_ID_COUNTER_FIRST + 39)
 446 #define GADGET_ID_YAMYAM_CONTENT_TEXT   (GADGET_ID_COUNTER_FIRST + 40)
 447 #define GADGET_ID_YAMYAM_CONTENT_UP     (GADGET_ID_COUNTER_FIRST + 41)
 448 #define GADGET_ID_BALL_CONTENT_DOWN     (GADGET_ID_COUNTER_FIRST + 42)
 449 #define GADGET_ID_BALL_CONTENT_TEXT     (GADGET_ID_COUNTER_FIRST + 43)
 450 #define GADGET_ID_BALL_CONTENT_UP       (GADGET_ID_COUNTER_FIRST + 44)
 451 #define GADGET_ID_ANDROID_CONTENT_DOWN  (GADGET_ID_COUNTER_FIRST + 45)
 452 #define GADGET_ID_ANDROID_CONTENT_TEXT  (GADGET_ID_COUNTER_FIRST + 46)
 453 #define GADGET_ID_ANDROID_CONTENT_UP    (GADGET_ID_COUNTER_FIRST + 47)
 454 #define GADGET_ID_ENVELOPE_XSIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 48)
 455 #define GADGET_ID_ENVELOPE_XSIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 49)
 456 #define GADGET_ID_ENVELOPE_XSIZE_UP     (GADGET_ID_COUNTER_FIRST + 50)
 457 #define GADGET_ID_ENVELOPE_YSIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 51)
 458 #define GADGET_ID_ENVELOPE_YSIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 52)
 459 #define GADGET_ID_ENVELOPE_YSIZE_UP     (GADGET_ID_COUNTER_FIRST + 53)
 460 #define GADGET_ID_INVENTORY_SIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 54)
 461 #define GADGET_ID_INVENTORY_SIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 55)
 462 #define GADGET_ID_INVENTORY_SIZE_UP     (GADGET_ID_COUNTER_FIRST + 56)
 463 #define GADGET_ID_CUSTOM_SCORE_DOWN     (GADGET_ID_COUNTER_FIRST + 57)
 464 #define GADGET_ID_CUSTOM_SCORE_TEXT     (GADGET_ID_COUNTER_FIRST + 58)
 465 #define GADGET_ID_CUSTOM_SCORE_UP       (GADGET_ID_COUNTER_FIRST + 59)
 466 #define GADGET_ID_CUSTOM_GEMCOUNT_DOWN  (GADGET_ID_COUNTER_FIRST + 60)
 467 #define GADGET_ID_CUSTOM_GEMCOUNT_TEXT  (GADGET_ID_COUNTER_FIRST + 61)
 468 #define GADGET_ID_CUSTOM_GEMCOUNT_UP    (GADGET_ID_COUNTER_FIRST + 62)
 469 #define GADGET_ID_CUSTOM_VALUE_FIX_DOWN (GADGET_ID_COUNTER_FIRST + 63)
 470 #define GADGET_ID_CUSTOM_VALUE_FIX_TEXT (GADGET_ID_COUNTER_FIRST + 64)
 471 #define GADGET_ID_CUSTOM_VALUE_FIX_UP   (GADGET_ID_COUNTER_FIRST + 65)
 472 #define GADGET_ID_CUSTOM_VALUE_RND_DOWN (GADGET_ID_COUNTER_FIRST + 66)
 473 #define GADGET_ID_CUSTOM_VALUE_RND_TEXT (GADGET_ID_COUNTER_FIRST + 67)
 474 #define GADGET_ID_CUSTOM_VALUE_RND_UP   (GADGET_ID_COUNTER_FIRST + 68)
 475 #define GADGET_ID_PUSH_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 69)
 476 #define GADGET_ID_PUSH_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 70)
 477 #define GADGET_ID_PUSH_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 71)
 478 #define GADGET_ID_PUSH_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 72)
 479 #define GADGET_ID_PUSH_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 73)
 480 #define GADGET_ID_PUSH_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 74)
 481 #define GADGET_ID_DROP_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 75)
 482 #define GADGET_ID_DROP_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 76)
 483 #define GADGET_ID_DROP_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 77)
 484 #define GADGET_ID_DROP_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 78)
 485 #define GADGET_ID_DROP_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 79)
 486 #define GADGET_ID_DROP_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 80)
 487 #define GADGET_ID_MOVE_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 81)
 488 #define GADGET_ID_MOVE_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 82)
 489 #define GADGET_ID_MOVE_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 83)
 490 #define GADGET_ID_MOVE_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 84)
 491 #define GADGET_ID_MOVE_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 85)
 492 #define GADGET_ID_MOVE_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 86)
 493 #define GADGET_ID_EXPLOSION_DELAY_DOWN  (GADGET_ID_COUNTER_FIRST + 87)
 494 #define GADGET_ID_EXPLOSION_DELAY_TEXT  (GADGET_ID_COUNTER_FIRST + 88)
 495 #define GADGET_ID_EXPLOSION_DELAY_UP    (GADGET_ID_COUNTER_FIRST + 89)
 496 #define GADGET_ID_IGNITION_DELAY_DOWN   (GADGET_ID_COUNTER_FIRST + 90)
 497 #define GADGET_ID_IGNITION_DELAY_TEXT   (GADGET_ID_COUNTER_FIRST + 91)
 498 #define GADGET_ID_IGNITION_DELAY_UP     (GADGET_ID_COUNTER_FIRST + 92)
 499 #define GADGET_ID_CHANGE_DELAY_FIX_DOWN (GADGET_ID_COUNTER_FIRST + 93)
 500 #define GADGET_ID_CHANGE_DELAY_FIX_TEXT (GADGET_ID_COUNTER_FIRST + 94)
 501 #define GADGET_ID_CHANGE_DELAY_FIX_UP   (GADGET_ID_COUNTER_FIRST + 95)
 502 #define GADGET_ID_CHANGE_DELAY_RND_DOWN (GADGET_ID_COUNTER_FIRST + 96)
 503 #define GADGET_ID_CHANGE_DELAY_RND_TEXT (GADGET_ID_COUNTER_FIRST + 97)
 504 #define GADGET_ID_CHANGE_DELAY_RND_UP   (GADGET_ID_COUNTER_FIRST + 98)
 505 #define GADGET_ID_CHANGE_CONT_RND_DOWN  (GADGET_ID_COUNTER_FIRST + 99)
 506 #define GADGET_ID_CHANGE_CONT_RND_TEXT  (GADGET_ID_COUNTER_FIRST + 100)
 507 #define GADGET_ID_CHANGE_CONT_RND_UP    (GADGET_ID_COUNTER_FIRST + 101)
 508 #define GADGET_ID_GROUP_CONTENT_DOWN    (GADGET_ID_COUNTER_FIRST + 102)
 509 #define GADGET_ID_GROUP_CONTENT_TEXT    (GADGET_ID_COUNTER_FIRST + 103)
 510 #define GADGET_ID_GROUP_CONTENT_UP      (GADGET_ID_COUNTER_FIRST + 104)
 511
 512 /* drawing area identifiers */
 513 #define GADGET_ID_DRAWING_AREA_FIRST    (GADGET_ID_COUNTER_FIRST + 105)
 514
 515 #define GADGET_ID_DRAWING_LEVEL         (GADGET_ID_DRAWING_AREA_FIRST + 0)
 516 #define GADGET_ID_YAMYAM_CONTENT_0      (GADGET_ID_DRAWING_AREA_FIRST + 1)
 517 #define GADGET_ID_YAMYAM_CONTENT_1      (GADGET_ID_DRAWING_AREA_FIRST + 2)
 518 #define GADGET_ID_YAMYAM_CONTENT_2      (GADGET_ID_DRAWING_AREA_FIRST + 3)
 519 #define GADGET_ID_YAMYAM_CONTENT_3      (GADGET_ID_DRAWING_AREA_FIRST + 4)
 520 #define GADGET_ID_YAMYAM_CONTENT_4      (GADGET_ID_DRAWING_AREA_FIRST + 5)
 521 #define GADGET_ID_YAMYAM_CONTENT_5      (GADGET_ID_DRAWING_AREA_FIRST + 6)
 522 #define GADGET_ID_YAMYAM_CONTENT_6      (GADGET_ID_DRAWING_AREA_FIRST + 7)
 523 #define GADGET_ID_YAMYAM_CONTENT_7      (GADGET_ID_DRAWING_AREA_FIRST + 8)
 524 #define GADGET_ID_MAGIC_BALL_CONTENT_0  (GADGET_ID_DRAWING_AREA_FIRST + 9)
 525 #define GADGET_ID_MAGIC_BALL_CONTENT_1  (GADGET_ID_DRAWING_AREA_FIRST + 10)
 526 #define GADGET_ID_MAGIC_BALL_CONTENT_2  (GADGET_ID_DRAWING_AREA_FIRST + 11)
 527 #define GADGET_ID_MAGIC_BALL_CONTENT_3  (GADGET_ID_DRAWING_AREA_FIRST + 12)
 528 #define GADGET_ID_MAGIC_BALL_CONTENT_4  (GADGET_ID_DRAWING_AREA_FIRST + 13)
 529 #define GADGET_ID_MAGIC_BALL_CONTENT_5  (GADGET_ID_DRAWING_AREA_FIRST + 14)
 530 #define GADGET_ID_MAGIC_BALL_CONTENT_6  (GADGET_ID_DRAWING_AREA_FIRST + 15)
 531 #define GADGET_ID_MAGIC_BALL_CONTENT_7  (GADGET_ID_DRAWING_AREA_FIRST + 16)
 532 #define GADGET_ID_ANDROID_CONTENT       (GADGET_ID_DRAWING_AREA_FIRST + 17)
 533 #define GADGET_ID_AMOEBA_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 18)
 534 #define GADGET_ID_START_ELEMENT         (GADGET_ID_DRAWING_AREA_FIRST + 19)
 535 #define GADGET_ID_ARTWORK_ELEMENT       (GADGET_ID_DRAWING_AREA_FIRST + 20)
 536 #define GADGET_ID_EXPLOSION_ELEMENT     (GADGET_ID_DRAWING_AREA_FIRST + 21)
 537 #define GADGET_ID_INVENTORY_CONTENT     (GADGET_ID_DRAWING_AREA_FIRST + 22)
 538 #define GADGET_ID_CUSTOM_GRAPHIC        (GADGET_ID_DRAWING_AREA_FIRST + 23)
 539 #define GADGET_ID_CUSTOM_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 24)
 540 #define GADGET_ID_CUSTOM_MOVE_ENTER     (GADGET_ID_DRAWING_AREA_FIRST + 25)
 541 #define GADGET_ID_CUSTOM_MOVE_LEAVE     (GADGET_ID_DRAWING_AREA_FIRST + 26)
 542 #define GADGET_ID_CUSTOM_CHANGE_TARGET  (GADGET_ID_DRAWING_AREA_FIRST + 27)
 543 #define GADGET_ID_CUSTOM_CHANGE_CONTENT (GADGET_ID_DRAWING_AREA_FIRST + 28)
 544 #define GADGET_ID_CUSTOM_CHANGE_TRIGGER (GADGET_ID_DRAWING_AREA_FIRST + 29)
 545 #define GADGET_ID_CUSTOM_CHANGE_ACTION  (GADGET_ID_DRAWING_AREA_FIRST + 30)
 546 #define GADGET_ID_GROUP_CONTENT         (GADGET_ID_DRAWING_AREA_FIRST + 31)
 547 #define GADGET_ID_RANDOM_BACKGROUND     (GADGET_ID_DRAWING_AREA_FIRST + 32)
 548
 549 /* text input identifiers */
 550 #define GADGET_ID_TEXT_INPUT_FIRST      (GADGET_ID_DRAWING_AREA_FIRST + 33)
 551
 552 #define GADGET_ID_LEVEL_NAME            (GADGET_ID_TEXT_INPUT_FIRST + 0)
 553 #define GADGET_ID_LEVEL_AUTHOR          (GADGET_ID_TEXT_INPUT_FIRST + 1)
 554 #define GADGET_ID_LEVELSET_NAME         (GADGET_ID_TEXT_INPUT_FIRST + 2)
 555 #define GADGET_ID_LEVELSET_AUTHOR       (GADGET_ID_TEXT_INPUT_FIRST + 3)
 556 #define GADGET_ID_ELEMENT_NAME          (GADGET_ID_TEXT_INPUT_FIRST + 4)
 557
 558 /* text area identifiers */
 559 #define GADGET_ID_TEXT_AREA_FIRST       (GADGET_ID_TEXT_INPUT_FIRST + 5)
 560
 561 #define GADGET_ID_ENVELOPE_INFO         (GADGET_ID_TEXT_AREA_FIRST + 0)
 562
 563 /* selectbox identifiers */
 564 #define GADGET_ID_SELECTBOX_FIRST       (GADGET_ID_TEXT_AREA_FIRST + 1)
 565
 566 #define GADGET_ID_TIME_OR_STEPS         (GADGET_ID_SELECTBOX_FIRST + 0)
 567 #define GADGET_ID_GAME_ENGINE_TYPE      (GADGET_ID_SELECTBOX_FIRST + 1)
 568 #define GADGET_ID_LEVELSET_SAVE_MODE    (GADGET_ID_SELECTBOX_FIRST + 2)
 569 #define GADGET_ID_WIND_DIRECTION        (GADGET_ID_SELECTBOX_FIRST + 3)
 570 #define GADGET_ID_PLAYER_SPEED          (GADGET_ID_SELECTBOX_FIRST + 4)
 571 #define GADGET_ID_CUSTOM_WALK_TO_ACTION (GADGET_ID_SELECTBOX_FIRST + 5)
 572 #define GADGET_ID_CUSTOM_EXPLOSION_TYPE (GADGET_ID_SELECTBOX_FIRST + 6)
 573 #define GADGET_ID_CUSTOM_DEADLINESS     (GADGET_ID_SELECTBOX_FIRST + 7)
 574 #define GADGET_ID_CUSTOM_MOVE_PATTERN   (GADGET_ID_SELECTBOX_FIRST + 8)
 575 #define GADGET_ID_CUSTOM_MOVE_DIRECTION (GADGET_ID_SELECTBOX_FIRST + 9)
 576 #define GADGET_ID_CUSTOM_MOVE_STEPSIZE  (GADGET_ID_SELECTBOX_FIRST + 10)
 577 #define GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE (GADGET_ID_SELECTBOX_FIRST + 11)
 578 #define GADGET_ID_CUSTOM_SMASH_TARGETS  (GADGET_ID_SELECTBOX_FIRST + 12)
 579 #define GADGET_ID_CUSTOM_SLIPPERY_TYPE  (GADGET_ID_SELECTBOX_FIRST + 13)
 580 #define GADGET_ID_CUSTOM_ACCESS_TYPE    (GADGET_ID_SELECTBOX_FIRST + 14)
 581 #define GADGET_ID_CUSTOM_ACCESS_LAYER   (GADGET_ID_SELECTBOX_FIRST + 15)
 582 #define GADGET_ID_CUSTOM_ACCESS_PROTECTED (GADGET_ID_SELECTBOX_FIRST + 16)
 583 #define GADGET_ID_CUSTOM_ACCESS_DIRECTION (GADGET_ID_SELECTBOX_FIRST + 17)
 584 #define GADGET_ID_CHANGE_TIME_UNITS     (GADGET_ID_SELECTBOX_FIRST + 18)
 585 #define GADGET_ID_CHANGE_DIRECT_ACTION  (GADGET_ID_SELECTBOX_FIRST + 19)
 586 #define GADGET_ID_CHANGE_OTHER_ACTION   (GADGET_ID_SELECTBOX_FIRST + 20)
 587 #define GADGET_ID_CHANGE_SIDE           (GADGET_ID_SELECTBOX_FIRST + 21)
 588 #define GADGET_ID_CHANGE_PLAYER         (GADGET_ID_SELECTBOX_FIRST + 22)
 589 #define GADGET_ID_CHANGE_PAGE           (GADGET_ID_SELECTBOX_FIRST + 23)
 590 #define GADGET_ID_CHANGE_REPLACE_WHEN   (GADGET_ID_SELECTBOX_FIRST + 24)
 591 #define GADGET_ID_ACTION_TYPE           (GADGET_ID_SELECTBOX_FIRST + 25)
 592 #define GADGET_ID_ACTION_MODE           (GADGET_ID_SELECTBOX_FIRST + 26)
 593 #define GADGET_ID_ACTION_ARG            (GADGET_ID_SELECTBOX_FIRST + 27)
 594 #define GADGET_ID_SELECT_CHANGE_PAGE    (GADGET_ID_SELECTBOX_FIRST + 28)
 595 #define GADGET_ID_GROUP_CHOICE_MODE     (GADGET_ID_SELECTBOX_FIRST + 29)
 596
 597 /* textbutton identifiers */
 598 #define GADGET_ID_TEXTBUTTON_FIRST      (GADGET_ID_SELECTBOX_FIRST + 30)
 599
 600 #define GADGET_ID_LEVELINFO_LEVEL       (GADGET_ID_TEXTBUTTON_FIRST + 0)
 601 #define GADGET_ID_LEVELINFO_LEVELSET    (GADGET_ID_TEXTBUTTON_FIRST + 1)
 602 #define GADGET_ID_LEVELINFO_EDITOR      (GADGET_ID_TEXTBUTTON_FIRST + 2)
 603 #define GADGET_ID_PROPERTIES_INFO       (GADGET_ID_TEXTBUTTON_FIRST + 3)
 604 #define GADGET_ID_PROPERTIES_CONFIG     (GADGET_ID_TEXTBUTTON_FIRST + 4)
 605 #define GADGET_ID_PROPERTIES_CONFIG_1   (GADGET_ID_TEXTBUTTON_FIRST + 5)
 606 #define GADGET_ID_PROPERTIES_CONFIG_2   (GADGET_ID_TEXTBUTTON_FIRST + 6)
 607 #define GADGET_ID_PROPERTIES_CHANGE     (GADGET_ID_TEXTBUTTON_FIRST + 7)
 608 #define GADGET_ID_SAVE_AS_TEMPLATE_1    (GADGET_ID_TEXTBUTTON_FIRST + 8)
 609 #define GADGET_ID_SAVE_AS_TEMPLATE_2    (GADGET_ID_TEXTBUTTON_FIRST + 9)
 610 #define GADGET_ID_SAVE_LEVELSET         (GADGET_ID_TEXTBUTTON_FIRST + 10)
 611 #define GADGET_ID_ADD_CHANGE_PAGE       (GADGET_ID_TEXTBUTTON_FIRST + 11)
 612 #define GADGET_ID_DEL_CHANGE_PAGE       (GADGET_ID_TEXTBUTTON_FIRST + 12)
 613
 614 /* graphicbutton identifiers */
 615 #define GADGET_ID_GRAPHICBUTTON_FIRST   (GADGET_ID_TEXTBUTTON_FIRST + 13)
 616
 617 #define GADGET_ID_PREV_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 0)
 618 #define GADGET_ID_NEXT_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 1)
 619 #define GADGET_ID_COPY_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 2)
 620 #define GADGET_ID_PASTE_CHANGE_PAGE     (GADGET_ID_GRAPHICBUTTON_FIRST + 3)
 621
 622 /* gadgets for scrolling of drawing area */
 623 #define GADGET_ID_SCROLLING_FIRST       (GADGET_ID_GRAPHICBUTTON_FIRST + 4)
 624
 625 #define GADGET_ID_SCROLL_UP             (GADGET_ID_SCROLLING_FIRST + 0)
 626 #define GADGET_ID_SCROLL_DOWN           (GADGET_ID_SCROLLING_FIRST + 1)
 627 #define GADGET_ID_SCROLL_LEFT           (GADGET_ID_SCROLLING_FIRST + 2)
 628 #define GADGET_ID_SCROLL_RIGHT          (GADGET_ID_SCROLLING_FIRST + 3)
 629 #define GADGET_ID_SCROLL_HORIZONTAL     (GADGET_ID_SCROLLING_FIRST + 4)
 630 #define GADGET_ID_SCROLL_VERTICAL       (GADGET_ID_SCROLLING_FIRST + 5)
 631
 632 /* gadgets for scrolling element list */
 633 #define GADGET_ID_SCROLLING_LIST_FIRST  (GADGET_ID_SCROLLING_FIRST + 6)
 634
 635 #define GADGET_ID_SCROLL_LIST_UP        (GADGET_ID_SCROLLING_LIST_FIRST + 0)
 636 #define GADGET_ID_SCROLL_LIST_DOWN      (GADGET_ID_SCROLLING_LIST_FIRST + 1)
 637 #define GADGET_ID_SCROLL_LIST_VERTICAL  (GADGET_ID_SCROLLING_LIST_FIRST + 2)
 638
 639 /* checkbuttons/radiobuttons for level/element properties */
 640 #define GADGET_ID_CHECKBUTTON_FIRST     (GADGET_ID_SCROLLING_LIST_FIRST + 3)
 641
 642 #define GADGET_ID_AUTO_COUNT_GEMS       (GADGET_ID_CHECKBUTTON_FIRST + 0)
 643 #define GADGET_ID_RANDOM_PERCENTAGE     (GADGET_ID_CHECKBUTTON_FIRST + 1)
 644 #define GADGET_ID_RANDOM_QUANTITY       (GADGET_ID_CHECKBUTTON_FIRST + 2)
 645 #define GADGET_ID_RANDOM_RESTRICTED     (GADGET_ID_CHECKBUTTON_FIRST + 3)
 646 #define GADGET_ID_STICK_ELEMENT         (GADGET_ID_CHECKBUTTON_FIRST + 4)
 647 #define GADGET_ID_EM_SLIPPERY_GEMS      (GADGET_ID_CHECKBUTTON_FIRST + 5)
 648 #define GADGET_ID_EM_EXPLODES_BY_FIRE   (GADGET_ID_CHECKBUTTON_FIRST + 6)
 649 #define GADGET_ID_USE_SPRING_BUG        (GADGET_ID_CHECKBUTTON_FIRST + 7)
 650 #define GADGET_ID_USE_TIME_ORB_BUG      (GADGET_ID_CHECKBUTTON_FIRST + 8)
 651 #define GADGET_ID_RANDOM_BALL_CONTENT   (GADGET_ID_CHECKBUTTON_FIRST + 9)
 652 #define GADGET_ID_INITIAL_BALL_STATE    (GADGET_ID_CHECKBUTTON_FIRST + 10)
 653 #define GADGET_ID_GROW_INTO_DIGGABLE    (GADGET_ID_CHECKBUTTON_FIRST + 11)
 654 #define GADGET_ID_AUTO_EXIT_SOKOBAN     (GADGET_ID_CHECKBUTTON_FIRST + 12)
 655 #define GADGET_ID_CONTINUOUS_SNAPPING   (GADGET_ID_CHECKBUTTON_FIRST + 13)
 656 #define GADGET_ID_BLOCK_SNAP_FIELD      (GADGET_ID_CHECKBUTTON_FIRST + 14)
 657 #define GADGET_ID_BLOCK_LAST_FIELD      (GADGET_ID_CHECKBUTTON_FIRST + 15)
 658 #define GADGET_ID_SP_BLOCK_LAST_FIELD   (GADGET_ID_CHECKBUTTON_FIRST + 16)
 659 #define GADGET_ID_INSTANT_RELOCATION    (GADGET_ID_CHECKBUTTON_FIRST + 17)
 660 #define GADGET_ID_SHIFTED_RELOCATION    (GADGET_ID_CHECKBUTTON_FIRST + 18)
 661 #define GADGET_ID_LAZY_RELOCATION       (GADGET_ID_CHECKBUTTON_FIRST + 19)
 662 #define GADGET_ID_USE_START_ELEMENT     (GADGET_ID_CHECKBUTTON_FIRST + 20)
 663 #define GADGET_ID_USE_ARTWORK_ELEMENT   (GADGET_ID_CHECKBUTTON_FIRST + 21)
 664 #define GADGET_ID_USE_EXPLOSION_ELEMENT (GADGET_ID_CHECKBUTTON_FIRST + 22)
 665 #define GADGET_ID_INITIAL_GRAVITY       (GADGET_ID_CHECKBUTTON_FIRST + 23)
 666 #define GADGET_ID_USE_INITIAL_INVENTORY (GADGET_ID_CHECKBUTTON_FIRST + 24)
 667 #define GADGET_ID_CAN_PASS_TO_WALKABLE  (GADGET_ID_CHECKBUTTON_FIRST + 25)
 668 #define GADGET_ID_CAN_FALL_INTO_ACID    (GADGET_ID_CHECKBUTTON_FIRST + 26)
 669 #define GADGET_ID_CAN_MOVE_INTO_ACID    (GADGET_ID_CHECKBUTTON_FIRST + 27)
 670 #define GADGET_ID_DONT_COLLIDE_WITH     (GADGET_ID_CHECKBUTTON_FIRST + 28)
 671 #define GADGET_ID_ENVELOPE_AUTOWRAP     (GADGET_ID_CHECKBUTTON_FIRST + 29)
 672 #define GADGET_ID_ENVELOPE_CENTERED     (GADGET_ID_CHECKBUTTON_FIRST + 30)
 673 #define GADGET_ID_MM_LASER_RED          (GADGET_ID_CHECKBUTTON_FIRST + 31)
 674 #define GADGET_ID_MM_LASER_GREEN        (GADGET_ID_CHECKBUTTON_FIRST + 32)
 675 #define GADGET_ID_MM_LASER_BLUE         (GADGET_ID_CHECKBUTTON_FIRST + 33)
 676 #define GADGET_ID_DF_LASER_RED          (GADGET_ID_CHECKBUTTON_FIRST + 34)
 677 #define GADGET_ID_DF_LASER_GREEN        (GADGET_ID_CHECKBUTTON_FIRST + 35)
 678 #define GADGET_ID_DF_LASER_BLUE         (GADGET_ID_CHECKBUTTON_FIRST + 36)
 679 #define GADGET_ID_CUSTOM_INDESTRUCTIBLE (GADGET_ID_CHECKBUTTON_FIRST + 37)
 680 #define GADGET_ID_CUSTOM_CAN_EXPLODE    (GADGET_ID_CHECKBUTTON_FIRST + 38)
 681 #define GADGET_ID_CUSTOM_EXPLODE_FIRE   (GADGET_ID_CHECKBUTTON_FIRST + 39)
 682 #define GADGET_ID_CUSTOM_EXPLODE_SMASH  (GADGET_ID_CHECKBUTTON_FIRST + 40)
 683 #define GADGET_ID_CUSTOM_EXPLODE_IMPACT (GADGET_ID_CHECKBUTTON_FIRST + 41)
 684 #define GADGET_ID_CUSTOM_WALK_TO_OBJECT (GADGET_ID_CHECKBUTTON_FIRST + 42)
 685 #define GADGET_ID_CUSTOM_DEADLY         (GADGET_ID_CHECKBUTTON_FIRST + 43)
 686 #define GADGET_ID_CUSTOM_CAN_MOVE       (GADGET_ID_CHECKBUTTON_FIRST + 44)
 687 #define GADGET_ID_CUSTOM_CAN_FALL       (GADGET_ID_CHECKBUTTON_FIRST + 45)
 688 #define GADGET_ID_CUSTOM_CAN_SMASH      (GADGET_ID_CHECKBUTTON_FIRST + 46)
 689 #define GADGET_ID_CUSTOM_SLIPPERY       (GADGET_ID_CHECKBUTTON_FIRST + 47)
 690 #define GADGET_ID_CUSTOM_ACCESSIBLE     (GADGET_ID_CHECKBUTTON_FIRST + 48)
 691 #define GADGET_ID_CUSTOM_GRAV_REACHABLE (GADGET_ID_CHECKBUTTON_FIRST + 49)
 692 #define GADGET_ID_CUSTOM_USE_LAST_VALUE (GADGET_ID_CHECKBUTTON_FIRST + 50)
 693 #define GADGET_ID_CUSTOM_USE_GRAPHIC    (GADGET_ID_CHECKBUTTON_FIRST + 51)
 694 #define GADGET_ID_CUSTOM_USE_TEMPLATE_1 (GADGET_ID_CHECKBUTTON_FIRST + 52)
 695 #define GADGET_ID_CUSTOM_USE_TEMPLATE_2 (GADGET_ID_CHECKBUTTON_FIRST + 53)
 696 #define GADGET_ID_CUSTOM_USE_TEMPLATE_3 (GADGET_ID_CHECKBUTTON_FIRST + 54)
 697 #define GADGET_ID_CUSTOM_CAN_CHANGE     (GADGET_ID_CHECKBUTTON_FIRST + 55)
 698 #define GADGET_ID_CHANGE_USE_CONTENT    (GADGET_ID_CHECKBUTTON_FIRST + 56)
 699 #define GADGET_ID_CHANGE_USE_EXPLOSION  (GADGET_ID_CHECKBUTTON_FIRST + 57)
 700 #define GADGET_ID_CHANGE_ONLY_COMPLETE  (GADGET_ID_CHECKBUTTON_FIRST + 58)
 701 #define GADGET_ID_CHANGE_USE_RANDOM     (GADGET_ID_CHECKBUTTON_FIRST + 59)
 702 #define GADGET_ID_CHANGE_HAS_ACTION     (GADGET_ID_CHECKBUTTON_FIRST + 60)
 703 #define GADGET_ID_CHANGE_DELAY          (GADGET_ID_CHECKBUTTON_FIRST + 61)
 704 #define GADGET_ID_CHANGE_BY_DIRECT_ACT  (GADGET_ID_CHECKBUTTON_FIRST + 62)
 705 #define GADGET_ID_CHANGE_BY_OTHER_ACT   (GADGET_ID_CHECKBUTTON_FIRST + 63)
 706
 707 /* gadgets for buttons in element list */
 708 #define GADGET_ID_ELEMENTLIST_FIRST     (GADGET_ID_CHECKBUTTON_FIRST + 64)
 709 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 710                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 711
 712 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 713
 714 /* radio button numbers */
 715 #define RADIO_NR_NONE                   0
 716 #define RADIO_NR_DRAWING_TOOLBOX        1
 717 #define RADIO_NR_RANDOM_ELEMENTS        2
 718
 719 /* values for counter gadgets */
 720 #define ED_COUNTER_ID_SELECT_LEVEL      0
 721 #define ED_COUNTER_ID_LEVEL_XSIZE       1
 722 #define ED_COUNTER_ID_LEVEL_YSIZE       2
 723 #define ED_COUNTER_ID_LEVEL_GEMSLIMIT   3
 724 #define ED_COUNTER_ID_LEVEL_TIMELIMIT   4
 725 #define ED_COUNTER_ID_LEVEL_TIMESCORE   5
 726 #define ED_COUNTER_ID_LEVEL_RANDOM_SEED 6
 727 #define ED_COUNTER_ID_LEVELSET_NUM_LEVELS 7
 728 #define ED_COUNTER_ID_LEVEL_RANDOM      8
 729 #define ED_COUNTER_ID_ELEMENT_VALUE1    9
 730 #define ED_COUNTER_ID_ELEMENT_VALUE2    10
 731 #define ED_COUNTER_ID_ELEMENT_VALUE3    11
 732 #define ED_COUNTER_ID_ELEMENT_VALUE4    12
 733 #define ED_COUNTER_ID_YAMYAM_CONTENT    13
 734 #define ED_COUNTER_ID_BALL_CONTENT      14
 735 #define ED_COUNTER_ID_ANDROID_CONTENT   15
 736 #define ED_COUNTER_ID_ENVELOPE_XSIZE    16
 737 #define ED_COUNTER_ID_ENVELOPE_YSIZE    17
 738 #define ED_COUNTER_ID_INVENTORY_SIZE    18
 739 #define ED_COUNTER_ID_CUSTOM_SCORE      19
 740 #define ED_COUNTER_ID_CUSTOM_GEMCOUNT   20
 741 #define ED_COUNTER_ID_CUSTOM_VALUE_FIX  21
 742 #define ED_COUNTER_ID_CUSTOM_VALUE_RND  22
 743 #define ED_COUNTER_ID_PUSH_DELAY_FIX    23
 744 #define ED_COUNTER_ID_PUSH_DELAY_RND    24
 745 #define ED_COUNTER_ID_DROP_DELAY_FIX    25
 746 #define ED_COUNTER_ID_DROP_DELAY_RND    26
 747 #define ED_COUNTER_ID_MOVE_DELAY_FIX    27
 748 #define ED_COUNTER_ID_MOVE_DELAY_RND    28
 749 #define ED_COUNTER_ID_EXPLOSION_DELAY   29
 750 #define ED_COUNTER_ID_IGNITION_DELAY    30
 751 #define ED_COUNTER_ID_GROUP_CONTENT     31
 752 #define ED_COUNTER_ID_CHANGE_DELAY_FIX  32
 753 #define ED_COUNTER_ID_CHANGE_DELAY_RND  33
 754 #define ED_COUNTER_ID_CHANGE_CONT_RND   34
 755
 756 #define ED_NUM_COUNTERBUTTONS           35
 757
 758 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 759 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM_SEED
 760 #define ED_COUNTER_ID_LEVELSET_FIRST    ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 761 #define ED_COUNTER_ID_LEVELSET_LAST     ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 762 #define ED_COUNTER_ID_EDITOR_FIRST      ED_COUNTER_ID_LEVEL_RANDOM
 763 #define ED_COUNTER_ID_EDITOR_LAST       ED_COUNTER_ID_LEVEL_RANDOM
 764
 765 #define ED_COUNTER_ID_CUSTOM1_FIRST     ED_COUNTER_ID_CUSTOM_SCORE
 766 #define ED_COUNTER_ID_CUSTOM1_LAST      ED_COUNTER_ID_DROP_DELAY_RND
 767 #define ED_COUNTER_ID_CUSTOM2_FIRST     ED_COUNTER_ID_MOVE_DELAY_FIX
 768 #define ED_COUNTER_ID_CUSTOM2_LAST      ED_COUNTER_ID_IGNITION_DELAY
 769 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM1_FIRST
 770 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_CUSTOM2_LAST
 771
 772 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 773 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 774
 775 /* values for scrollbutton gadgets */
 776 #define ED_SCROLLBUTTON_ID_AREA_UP      0
 777 #define ED_SCROLLBUTTON_ID_AREA_DOWN    1
 778 #define ED_SCROLLBUTTON_ID_AREA_LEFT    2
 779 #define ED_SCROLLBUTTON_ID_AREA_RIGHT   3
 780 #define ED_SCROLLBUTTON_ID_LIST_UP      4
 781 #define ED_SCROLLBUTTON_ID_LIST_DOWN    5
 782
 783 #define ED_NUM_SCROLLBUTTONS            6
 784
 785 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 786 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 787
 788 /* values for scrollbar gadgets */
 789 #define ED_SCROLLBAR_ID_AREA_HORIZONTAL 0
 790 #define ED_SCROLLBAR_ID_AREA_VERTICAL   1
 791 #define ED_SCROLLBAR_ID_LIST_VERTICAL   2
 792
 793 #define ED_NUM_SCROLLBARS               3
 794
 795 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 796 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 797
 798 /* values for text input gadgets */
 799 #define ED_TEXTINPUT_ID_LEVEL_NAME      0
 800 #define ED_TEXTINPUT_ID_LEVEL_AUTHOR    1
 801 #define ED_TEXTINPUT_ID_LEVELSET_NAME   2
 802 #define ED_TEXTINPUT_ID_LEVELSET_AUTHOR 3
 803 #define ED_TEXTINPUT_ID_ELEMENT_NAME    4
 804
 805 #define ED_NUM_TEXTINPUT                5
 806
 807 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 808 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 809
 810 #define ED_TEXTINPUT_ID_LEVELSET_FIRST  ED_TEXTINPUT_ID_LEVELSET_NAME
 811 #define ED_TEXTINPUT_ID_LEVELSET_LAST   ED_TEXTINPUT_ID_LEVELSET_AUTHOR
 812
 813 /* values for text area gadgets */
 814 #define ED_TEXTAREA_ID_ENVELOPE_INFO    0
 815
 816 #define ED_NUM_TEXTAREAS                        1
 817
 818 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
 819 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
 820
 821 /* values for selectbox gadgets */
 822 #define ED_SELECTBOX_ID_TIME_OR_STEPS           0
 823 #define ED_SELECTBOX_ID_GAME_ENGINE_TYPE        1
 824 #define ED_SELECTBOX_ID_LEVELSET_SAVE_MODE      2
 825 #define ED_SELECTBOX_ID_WIND_DIRECTION          3
 826 #define ED_SELECTBOX_ID_PLAYER_SPEED            4
 827 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE      5
 828 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER     6
 829 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED 7
 830 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION 8
 831 #define ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION   9
 832 #define ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN     10
 833 #define ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION   11
 834 #define ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE    12
 835 #define ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE  13
 836 #define ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS    14
 837 #define ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE    15
 838 #define ED_SELECTBOX_ID_CUSTOM_DEADLINESS       16
 839 #define ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE   17
 840 #define ED_SELECTBOX_ID_CHANGE_TIME_UNITS       18
 841 #define ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION    19
 842 #define ED_SELECTBOX_ID_CHANGE_OTHER_ACTION     20
 843 #define ED_SELECTBOX_ID_CHANGE_SIDE             21
 844 #define ED_SELECTBOX_ID_CHANGE_PLAYER           22
 845 #define ED_SELECTBOX_ID_CHANGE_PAGE             23
 846 #define ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN     24
 847 #define ED_SELECTBOX_ID_ACTION_TYPE             25
 848 #define ED_SELECTBOX_ID_ACTION_MODE             26
 849 #define ED_SELECTBOX_ID_ACTION_ARG              27
 850 #define ED_SELECTBOX_ID_SELECT_CHANGE_PAGE      28
 851 #define ED_SELECTBOX_ID_GROUP_CHOICE_MODE       29
 852
 853 #define ED_NUM_SELECTBOX                        30
 854
 855 #define ED_SELECTBOX_ID_LEVEL_FIRST     ED_SELECTBOX_ID_TIME_OR_STEPS
 856 #define ED_SELECTBOX_ID_LEVEL_LAST      ED_SELECTBOX_ID_GAME_ENGINE_TYPE
 857
 858 #define ED_SELECTBOX_ID_LEVELSET_FIRST  ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 859 #define ED_SELECTBOX_ID_LEVELSET_LAST   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 860
 861 #define ED_SELECTBOX_ID_CUSTOM1_FIRST   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
 862 #define ED_SELECTBOX_ID_CUSTOM1_LAST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
 863 #define ED_SELECTBOX_ID_CUSTOM2_FIRST   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN
 864 #define ED_SELECTBOX_ID_CUSTOM2_LAST    ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE
 865 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM1_FIRST
 866 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM2_LAST
 867
 868 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 869 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
 870
 871 /* values for textbutton gadgets */
 872 #define ED_TEXTBUTTON_ID_LEVELINFO_LEVEL        0
 873 #define ED_TEXTBUTTON_ID_LEVELINFO_LEVELSET     1
 874 #define ED_TEXTBUTTON_ID_LEVELINFO_EDITOR       2
 875 #define ED_TEXTBUTTON_ID_PROPERTIES_INFO        3
 876 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG      4
 877 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1    5
 878 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2    6
 879 #define ED_TEXTBUTTON_ID_PROPERTIES_CHANGE      7
 880 #define ED_TEXTBUTTON_ID_SAVE_LEVELSET          8
 881 #define ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2     9
 882 #define ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1     10
 883 #define ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE        11
 884 #define ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE        12
 885
 886 #define ED_NUM_TEXTBUTTONS                      13
 887
 888 #define ED_TAB_BUTTON_ID_LEVELINFO_FIRST ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
 889 #define ED_TAB_BUTTON_ID_LEVELINFO_LAST  ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
 890
 891 #define ED_TAB_BUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
 892 #define ED_TAB_BUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
 893
 894 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE
 895 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
 896
 897 /* values for graphicbutton gadgets */
 898 #define ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE    0
 899 #define ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE    1
 900 #define ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE    2
 901 #define ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE   3
 902
 903 #define ED_NUM_GRAPHICBUTTONS                   4
 904
 905 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST  ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
 906 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE
 907
 908 /* values for checkbutton gadgets */
 909 #define ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS       0
 910 #define ED_CHECKBUTTON_ID_RANDOM_RESTRICTED     1
 911 #define ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3 2
 912 #define ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2 3
 913 #define ED_CHECKBUTTON_ID_STICK_ELEMENT         4
 914 #define ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS      5
 915 #define ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE   6
 916 #define ED_CHECKBUTTON_ID_USE_SPRING_BUG        7
 917 #define ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG      8
 918 #define ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT   9
 919 #define ED_CHECKBUTTON_ID_INITIAL_BALL_STATE    10
 920 #define ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE    11
 921 #define ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN     12
 922 #define ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING   13
 923 #define ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD      14
 924 #define ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD      15
 925 #define ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD   16
 926 #define ED_CHECKBUTTON_ID_INSTANT_RELOCATION    17
 927 #define ED_CHECKBUTTON_ID_SHIFTED_RELOCATION    18
 928 #define ED_CHECKBUTTON_ID_LAZY_RELOCATION       19
 929 #define ED_CHECKBUTTON_ID_USE_START_ELEMENT     20
 930 #define ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT   21
 931 #define ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT 22
 932 #define ED_CHECKBUTTON_ID_INITIAL_GRAVITY       23
 933 #define ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY 24
 934 #define ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE  25
 935 #define ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID    26
 936 #define ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID    27
 937 #define ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH     28
 938 #define ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP     29
 939 #define ED_CHECKBUTTON_ID_ENVELOPE_CENTERED     30
 940 #define ED_CHECKBUTTON_ID_MM_LASER_RED          31
 941 #define ED_CHECKBUTTON_ID_MM_LASER_GREEN        32
 942 #define ED_CHECKBUTTON_ID_MM_LASER_BLUE         33
 943 #define ED_CHECKBUTTON_ID_DF_LASER_RED          34
 944 #define ED_CHECKBUTTON_ID_DF_LASER_GREEN        35
 945 #define ED_CHECKBUTTON_ID_DF_LASER_BLUE         36
 946 #define ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC    37
 947 #define ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1 38
 948 #define ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE     39
 949 #define ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE 40
 950 #define ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE 41
 951 #define ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT 42
 952 #define ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE 43
 953 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE       44
 954 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL       45
 955 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH      46
 956 #define ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY       47
 957 #define ED_CHECKBUTTON_ID_CUSTOM_DEADLY         48
 958 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE    49
 959 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE   50
 960 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH  51
 961 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT 52
 962 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE     53
 963 #define ED_CHECKBUTTON_ID_CHANGE_DELAY          54
 964 #define ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT  55
 965 #define ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT   56
 966 #define ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION  57
 967 #define ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT    58
 968 #define ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE  59
 969 #define ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM     60
 970 #define ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION     61
 971
 972 #define ED_NUM_CHECKBUTTONS                     62
 973
 974 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS
 975 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS
 976
 977 #define ED_CHECKBUTTON_ID_EDITOR_FIRST  ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
 978 #define ED_CHECKBUTTON_ID_EDITOR_LAST   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2
 979
 980 #define ED_CHECKBUTTON_ID_CUSTOM1_FIRST ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
 981 #define ED_CHECKBUTTON_ID_CUSTOM1_LAST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
 982 #define ED_CHECKBUTTON_ID_CUSTOM2_FIRST ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE
 983 #define ED_CHECKBUTTON_ID_CUSTOM2_LAST  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
 984 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM1_FIRST
 985 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM2_LAST
 986
 987 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE
 988 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION
 989
 990 /* values for radiobutton gadgets */
 991 #define ED_RADIOBUTTON_ID_PERCENTAGE    0
 992 #define ED_RADIOBUTTON_ID_QUANTITY      1
 993
 994 #define ED_NUM_RADIOBUTTONS             2
 995
 996 #define ED_RADIOBUTTON_ID_EDITOR_FIRST  ED_RADIOBUTTON_ID_PERCENTAGE
 997 #define ED_RADIOBUTTON_ID_EDITOR_LAST   ED_RADIOBUTTON_ID_QUANTITY
 998
 999 /* values for drawing area gadgets */
1000 #define ED_DRAWING_ID_DRAWING_LEVEL             0
1001 #define ED_DRAWING_ID_YAMYAM_CONTENT_0          1
1002 #define ED_DRAWING_ID_YAMYAM_CONTENT_1          2
1003 #define ED_DRAWING_ID_YAMYAM_CONTENT_2          3
1004 #define ED_DRAWING_ID_YAMYAM_CONTENT_3          4
1005 #define ED_DRAWING_ID_YAMYAM_CONTENT_4          5
1006 #define ED_DRAWING_ID_YAMYAM_CONTENT_5          6
1007 #define ED_DRAWING_ID_YAMYAM_CONTENT_6          7
1008 #define ED_DRAWING_ID_YAMYAM_CONTENT_7          8
1009 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_0      9
1010 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_1      10
1011 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_2      11
1012 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_3      12
1013 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_4      13
1014 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_5      14
1015 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_6      15
1016 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_7      16
1017 #define ED_DRAWING_ID_ANDROID_CONTENT           17
1018 #define ED_DRAWING_ID_AMOEBA_CONTENT            18
1019 #define ED_DRAWING_ID_START_ELEMENT             19
1020 #define ED_DRAWING_ID_ARTWORK_ELEMENT           20
1021 #define ED_DRAWING_ID_EXPLOSION_ELEMENT         21
1022 #define ED_DRAWING_ID_INVENTORY_CONTENT         22
1023 #define ED_DRAWING_ID_CUSTOM_GRAPHIC            23
1024 #define ED_DRAWING_ID_CUSTOM_CONTENT            24
1025 #define ED_DRAWING_ID_CUSTOM_MOVE_ENTER         25
1026 #define ED_DRAWING_ID_CUSTOM_MOVE_LEAVE         26
1027 #define ED_DRAWING_ID_CUSTOM_CHANGE_TARGET      27
1028 #define ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT     28
1029 #define ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER     29
1030 #define ED_DRAWING_ID_CUSTOM_CHANGE_ACTION      30
1031 #define ED_DRAWING_ID_GROUP_CONTENT             31
1032 #define ED_DRAWING_ID_RANDOM_BACKGROUND         32
1033
1034 #define ED_NUM_DRAWING_AREAS                    33
1035
1036 #define ED_DRAWING_ID_EDITOR_FIRST      ED_DRAWING_ID_RANDOM_BACKGROUND
1037 #define ED_DRAWING_ID_EDITOR_LAST       ED_DRAWING_ID_RANDOM_BACKGROUND
1038
1039
1040 /*
1041   -----------------------------------------------------------------------------
1042   some internally used definitions
1043   -----------------------------------------------------------------------------
1044 */
1045
1046 /* values for CopyLevelToUndoBuffer() */
1047 #define UNDO_IMMEDIATE                  0
1048 #define UNDO_ACCUMULATE                 1
1049
1050 /* values for scrollbars */
1051 #define ED_SCROLL_NO                    0
1052 #define ED_SCROLL_LEFT                  1
1053 #define ED_SCROLL_RIGHT                 2
1054 #define ED_SCROLL_UP                    4
1055 #define ED_SCROLL_DOWN                  8
1056
1057 /* screens in the level editor */
1058 #define ED_MODE_DRAWING                 0
1059 #define ED_MODE_INFO                    1
1060 #define ED_MODE_PROPERTIES              2
1061 #define ED_MODE_PALETTE                 3
1062
1063 /* sub-screens in the global settings section */
1064 #define ED_MODE_LEVELINFO_LEVEL         ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
1065 #define ED_MODE_LEVELINFO_LEVELSET      ED_TEXTBUTTON_ID_LEVELINFO_LEVELSET
1066 #define ED_MODE_LEVELINFO_EDITOR        ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
1067
1068 /* sub-screens in the element properties section */
1069 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
1070 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
1071 #define ED_MODE_PROPERTIES_CONFIG_1     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1
1072 #define ED_MODE_PROPERTIES_CONFIG_2     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2
1073 #define ED_MODE_PROPERTIES_CHANGE       ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
1074
1075 /* how many steps can be cancelled */
1076 #define NUM_UNDO_STEPS                  (64 + 1)
1077
1078 /* values for elements with score for certain actions */
1079 #define MIN_SCORE                       0
1080 #define MAX_SCORE                       999
1081
1082 /* values for elements with count for collecting */
1083 #define MIN_COLLECT_COUNT               0
1084 #define MAX_COLLECT_COUNT               999
1085
1086 /* values for random placement */
1087 #define RANDOM_USE_PERCENTAGE           0
1088 #define RANDOM_USE_QUANTITY             1
1089
1090 /* values for level set save mode */
1091 #define LEVELSET_SAVE_MODE_UPDATE       0
1092 #define LEVELSET_SAVE_MODE_CREATE       1
1093
1094 /* default value for element tile size in drawing area */
1095 #define DEFAULT_EDITOR_TILESIZE         MINI_TILESIZE
1096
1097
1098 /*
1099   -----------------------------------------------------------------------------
1100   some internally used data structure definitions
1101   -----------------------------------------------------------------------------
1102 */
1103
1104 static struct
1105 {
1106   int graphic;
1107   int gadget_id;
1108   struct XYTileSize *pos;
1109   int gadget_type;
1110   char *infotext;
1111   char shortcut;
1112 } controlbutton_info[ED_NUM_CTRL_BUTTONS] =
1113 {
1114   /* note: some additional characters are already reserved for "cheat mode"
1115      shortcuts (":XYZ" style) -- for details, see "events.c" */
1116
1117   /* ---------- toolbox control buttons ------------------------------------ */
1118
1119   {
1120     IMG_GFX_EDITOR_BUTTON_DRAW_SINGLE,          GADGET_ID_SINGLE_ITEMS,
1121     &editor.button.draw_single,                 GD_TYPE_RADIO_BUTTON,
1122     "draw single items",                        's'
1123   },
1124   {
1125     IMG_GFX_EDITOR_BUTTON_DRAW_CONNECTED,       GADGET_ID_CONNECTED_ITEMS,
1126     &editor.button.draw_connected,              GD_TYPE_RADIO_BUTTON,
1127     "draw connected items",                     'd'
1128   },
1129   {
1130     IMG_GFX_EDITOR_BUTTON_DRAW_LINE,            GADGET_ID_LINE,
1131     &editor.button.draw_line,                   GD_TYPE_RADIO_BUTTON,
1132     "draw lines",                               'l'
1133   },
1134   {
1135     IMG_GFX_EDITOR_BUTTON_DRAW_ARC,             GADGET_ID_ARC,
1136     &editor.button.draw_arc,                    GD_TYPE_RADIO_BUTTON,
1137     "draw arcs",                                'a'
1138   },
1139   {
1140     IMG_GFX_EDITOR_BUTTON_DRAW_RECTANGLE,       GADGET_ID_RECTANGLE,
1141     &editor.button.draw_rectangle,              GD_TYPE_RADIO_BUTTON,
1142     "draw outline rectangles",                  'r'
1143   },
1144   {
1145     IMG_GFX_EDITOR_BUTTON_DRAW_FILLED_BOX,      GADGET_ID_FILLED_BOX,
1146     &editor.button.draw_filled_box,             GD_TYPE_RADIO_BUTTON,
1147     "draw filled rectangles",                   'R'
1148   },
1149   {
1150     IMG_GFX_EDITOR_BUTTON_ROTATE_UP,            GADGET_ID_WRAP_UP,
1151     &editor.button.rotate_up,                   GD_TYPE_NORMAL_BUTTON,
1152     "wrap (rotate) level up",                   0
1153   },
1154   {
1155     IMG_GFX_EDITOR_BUTTON_DRAW_TEXT,            GADGET_ID_TEXT,
1156     &editor.button.draw_text,                   GD_TYPE_RADIO_BUTTON,
1157     "enter text elements",                      't'
1158   },
1159   {
1160     IMG_GFX_EDITOR_BUTTON_FLOOD_FILL,           GADGET_ID_FLOOD_FILL,
1161     &editor.button.flood_fill,                  GD_TYPE_RADIO_BUTTON,
1162     "flood fill",                               'f'
1163   },
1164   {
1165     IMG_GFX_EDITOR_BUTTON_ROTATE_LEFT,          GADGET_ID_WRAP_LEFT,
1166     &editor.button.rotate_left,                 GD_TYPE_NORMAL_BUTTON,
1167     "wrap (rotate) level left",                 0
1168   },
1169   {
1170     IMG_GFX_EDITOR_BUTTON_ZOOM_LEVEL,           GADGET_ID_ZOOM,
1171     &editor.button.zoom_level,                  GD_TYPE_NORMAL_BUTTON,
1172     "zoom level tile size",                     '+'
1173   },
1174   {
1175     IMG_GFX_EDITOR_BUTTON_ROTATE_RIGHT,         GADGET_ID_WRAP_RIGHT,
1176     &editor.button.rotate_right,                GD_TYPE_NORMAL_BUTTON,
1177     "wrap (rotate) level right",                0
1178   },
1179   {
1180     IMG_GFX_EDITOR_BUTTON_DRAW_RANDOM,          GADGET_ID_RANDOM_PLACEMENT,
1181     &editor.button.draw_random,                 GD_TYPE_NORMAL_BUTTON,
1182     "random element placement",                 0
1183   },
1184   {
1185     IMG_GFX_EDITOR_BUTTON_GRAB_BRUSH,           GADGET_ID_GRAB_BRUSH,
1186     &editor.button.grab_brush,                  GD_TYPE_RADIO_BUTTON,
1187     "grab brush",                               'b'
1188   },
1189   {
1190     IMG_GFX_EDITOR_BUTTON_ROTATE_DOWN,          GADGET_ID_WRAP_DOWN,
1191     &editor.button.rotate_down,                 GD_TYPE_NORMAL_BUTTON,
1192     "wrap (rotate) level down",                 0
1193   },
1194   {
1195     IMG_GFX_EDITOR_BUTTON_PICK_ELEMENT,         GADGET_ID_PICK_ELEMENT,
1196     &editor.button.pick_element,                GD_TYPE_RADIO_BUTTON,
1197     "pick drawing element",                     ','
1198   },
1199
1200   /* ---------- level control buttons -------------------------------------- */
1201
1202   {
1203     IMG_GFX_EDITOR_BUTTON_UNDO,                 GADGET_ID_UNDO,
1204     &editor.button.undo,                        GD_TYPE_NORMAL_BUTTON,
1205     "undo/redo last operation",                 'u'
1206   },
1207   {
1208     IMG_GFX_EDITOR_BUTTON_CONF,                 GADGET_ID_INFO,
1209     &editor.button.conf,                        GD_TYPE_NORMAL_BUTTON,
1210     "properties of level",                      'I'
1211   },
1212   {
1213     IMG_GFX_EDITOR_BUTTON_SAVE,                 GADGET_ID_SAVE,
1214     &editor.button.save,                        GD_TYPE_NORMAL_BUTTON,
1215     "save level",                               'S'
1216   },
1217   {
1218     IMG_GFX_EDITOR_BUTTON_CLEAR,                GADGET_ID_CLEAR,
1219     &editor.button.clear,                       GD_TYPE_NORMAL_BUTTON,
1220     "clear level",                              'C'
1221   },
1222   {
1223     IMG_GFX_EDITOR_BUTTON_TEST,                 GADGET_ID_TEST,
1224     &editor.button.test,                        GD_TYPE_NORMAL_BUTTON,
1225     "test level",                               'T'
1226   },
1227   {
1228     IMG_GFX_EDITOR_BUTTON_EXIT,                 GADGET_ID_EXIT,
1229     &editor.button.exit,                        GD_TYPE_NORMAL_BUTTON,
1230     "exit level editor",                        'E'
1231   },
1232
1233   /* ---------- CE and GE control buttons ---------------------------------- */
1234
1235   {
1236     IMG_GFX_EDITOR_BUTTON_CE_COPY_FROM,         GADGET_ID_CUSTOM_COPY_FROM,
1237     &editor.button.ce_copy_from,                GD_TYPE_RADIO_BUTTON,
1238     "copy settings from other element",         0
1239   },
1240   {
1241     IMG_GFX_EDITOR_BUTTON_CE_COPY_TO,           GADGET_ID_CUSTOM_COPY_TO,
1242     &editor.button.ce_copy_to,                  GD_TYPE_RADIO_BUTTON,
1243     "copy settings to other element",           0
1244   },
1245   {
1246     IMG_GFX_EDITOR_BUTTON_CE_SWAP,              GADGET_ID_CUSTOM_EXCHANGE,
1247     &editor.button.ce_swap,                     GD_TYPE_RADIO_BUTTON,
1248     "exchange element with other element",      0
1249   },
1250   {
1251     IMG_GFX_EDITOR_BUTTON_CE_COPY,              GADGET_ID_CUSTOM_COPY,
1252     &editor.button.ce_copy,                     GD_TYPE_NORMAL_BUTTON,
1253     "copy settings from this element",          0
1254   },
1255   {
1256     IMG_GFX_EDITOR_BUTTON_CE_PASTE,             GADGET_ID_CUSTOM_PASTE,
1257     &editor.button.ce_paste,                    GD_TYPE_NORMAL_BUTTON,
1258     "paste settings to this element",           0
1259   },
1260
1261   /* ---------- palette control buttons ------------------------------------ */
1262
1263   {
1264     IMG_GFX_EDITOR_BUTTON_PROPERTIES,           GADGET_ID_PROPERTIES,
1265     &editor.button.properties,                  GD_TYPE_NORMAL_BUTTON,
1266     "properties of drawing element",            'p'
1267   },
1268   {
1269     IMG_GFX_EDITOR_BUTTON_ELEMENT_LEFT,         GADGET_ID_ELEMENT_LEFT,
1270     &editor.button.element_left,                GD_TYPE_NORMAL_BUTTON,
1271     "properties of drawing element 1",          '1'
1272   },
1273   {
1274     IMG_GFX_EDITOR_BUTTON_ELEMENT_MIDDLE,       GADGET_ID_ELEMENT_MIDDLE,
1275     &editor.button.element_middle,              GD_TYPE_NORMAL_BUTTON,
1276     "properties of drawing element 2",          '2'
1277   },
1278   {
1279     IMG_GFX_EDITOR_BUTTON_ELEMENT_RIGHT,        GADGET_ID_ELEMENT_RIGHT,
1280     &editor.button.element_right,               GD_TYPE_NORMAL_BUTTON,
1281     "properties of drawing element 3",          '3'
1282   },
1283   {
1284     IMG_GFX_EDITOR_BUTTON_PALETTE,              GADGET_ID_PALETTE,
1285     &editor.button.palette,                     GD_TYPE_NORMAL_BUTTON,
1286     "show list of elements",                    'e'
1287   }
1288 };
1289
1290 static int random_placement_value = 10;
1291 static int random_placement_method = RANDOM_USE_QUANTITY;
1292 static int random_placement_background_element = EL_SAND;
1293 static boolean random_placement_background_restricted = FALSE;
1294 static boolean stick_element_properties_window = FALSE;
1295 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
1296 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
1297 static struct ElementChangeInfo custom_element_change;
1298 static struct ElementGroupInfo group_element_info;
1299 static struct ElementInfo custom_element;
1300
1301 static char levelset_name[MAX_LEVEL_NAME_LEN + 1];
1302 static char levelset_author[MAX_LEVEL_AUTHOR_LEN + 1];
1303 static int levelset_num_levels = 100;
1304 static int levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
1305
1306 static struct
1307 {
1308   int x, y;
1309   int min_value, max_value;
1310   int gadget_id_down, gadget_id_up;
1311   int gadget_id_text;
1312   int gadget_id_align;
1313   int *value;
1314   char *text_above, *text_left, *text_right;
1315 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
1316 {
1317   /* ---------- current level number --------------------------------------- */
1318
1319   {
1320     -1, -1,     /* these values are not constant, but can change at runtime */
1321     1,                                  100,
1322     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
1323     GADGET_ID_SELECT_LEVEL_TEXT,        GADGET_ID_NONE,
1324     &level_nr,
1325     NULL,                               NULL, NULL
1326   },
1327
1328   /* ---------- level and editor settings ---------------------------------- */
1329
1330   {
1331     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1332     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
1333     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
1334     GADGET_ID_LEVEL_XSIZE_TEXT,         GADGET_ID_NONE,
1335     &level.fieldx,
1336     "playfield size:",                  NULL, "width",
1337   },
1338   {
1339     -1,                                 ED_LEVEL_SETTINGS_YPOS(4),
1340     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
1341     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
1342     GADGET_ID_LEVEL_YSIZE_TEXT,         GADGET_ID_LEVEL_XSIZE_UP,
1343     &level.fieldy,
1344     NULL,                               " ", "height",
1345   },
1346   {
1347     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
1348     0,                                  999,
1349     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
1350     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,     GADGET_ID_NONE,
1351     &level.gems_needed,
1352     NULL,                               "number of gems to collect:", NULL
1353   },
1354   {
1355     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
1356     0,                                  9999,
1357     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
1358     GADGET_ID_LEVEL_TIMELIMIT_TEXT,     GADGET_ID_NONE,
1359     &level.time,
1360     "time or step limit to solve level:", NULL, NULL
1361   },
1362   {
1363     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
1364     0,                                  999,
1365     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
1366     GADGET_ID_LEVEL_TIMESCORE_TEXT,     GADGET_ID_NONE,
1367     &level.score[SC_TIME_BONUS],
1368     "score for each second/step left:", NULL, NULL
1369   },
1370   {
1371     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(12),
1372     0,                                  9999,
1373     GADGET_ID_LEVEL_RANDOM_SEED_DOWN,   GADGET_ID_LEVEL_RANDOM_SEED_UP,
1374     GADGET_ID_LEVEL_RANDOM_SEED_TEXT,   GADGET_ID_NONE,
1375     &level.random_seed,
1376     NULL,                               "random seed:", "(0 => random)"
1377   },
1378   {
1379     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1380     1,                                  MAX_LEVELS,
1381     GADGET_ID_LEVELSET_NUM_LEVELS_DOWN, GADGET_ID_LEVELSET_NUM_LEVELS_UP,
1382     GADGET_ID_LEVELSET_NUM_LEVELS_TEXT, GADGET_ID_NONE,
1383     &levelset_num_levels,
1384     "number of levels:",                NULL, NULL,
1385   },
1386   {
1387     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1388     1,                                  100,
1389     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
1390     GADGET_ID_LEVEL_RANDOM_TEXT,        GADGET_ID_NONE,
1391     &random_placement_value,
1392     "random element placement:",        NULL, "in"
1393   },
1394
1395   /* ---------- element settings: configure (various elements) ------------- */
1396
1397   {
1398     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1399     MIN_SCORE,                          MAX_SCORE,
1400     GADGET_ID_ELEMENT_VALUE1_DOWN,      GADGET_ID_ELEMENT_VALUE1_UP,
1401     GADGET_ID_ELEMENT_VALUE1_TEXT,      GADGET_ID_NONE,
1402     NULL,                               /* will be set when used */
1403     NULL,                               NULL, NULL
1404   },
1405   {
1406     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
1407     MIN_SCORE,                          MAX_SCORE,
1408     GADGET_ID_ELEMENT_VALUE2_DOWN,      GADGET_ID_ELEMENT_VALUE2_UP,
1409     GADGET_ID_ELEMENT_VALUE2_TEXT,      GADGET_ID_NONE,
1410     NULL,                               /* will be set when used */
1411     NULL,                               NULL, NULL
1412   },
1413   {
1414     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1415     MIN_SCORE,                          MAX_SCORE,
1416     GADGET_ID_ELEMENT_VALUE3_DOWN,      GADGET_ID_ELEMENT_VALUE3_UP,
1417     GADGET_ID_ELEMENT_VALUE3_TEXT,      GADGET_ID_NONE,
1418     NULL,                               /* will be set when used */
1419     NULL,                               NULL, NULL
1420   },
1421   {
1422     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1423     MIN_SCORE,                          MAX_SCORE,
1424     GADGET_ID_ELEMENT_VALUE4_DOWN,      GADGET_ID_ELEMENT_VALUE4_UP,
1425     GADGET_ID_ELEMENT_VALUE4_TEXT,      GADGET_ID_NONE,
1426     NULL,                               /* will be set when used */
1427     NULL,                               NULL, NULL
1428   },
1429   {
1430     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1431     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1432     GADGET_ID_YAMYAM_CONTENT_DOWN,      GADGET_ID_YAMYAM_CONTENT_UP,
1433     GADGET_ID_YAMYAM_CONTENT_TEXT,      GADGET_ID_NONE,
1434     &level.num_yamyam_contents,
1435     NULL,                               NULL, "number of content areas"
1436   },
1437   {
1438     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1439     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1440     GADGET_ID_BALL_CONTENT_DOWN,        GADGET_ID_BALL_CONTENT_UP,
1441     GADGET_ID_BALL_CONTENT_TEXT,        GADGET_ID_NONE,
1442     &level.num_ball_contents,
1443     NULL,                               NULL, "number of content areas"
1444   },
1445   {
1446     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1447     MIN_ANDROID_ELEMENTS,               MAX_ANDROID_ELEMENTS,
1448     GADGET_ID_ANDROID_CONTENT_DOWN,     GADGET_ID_ANDROID_CONTENT_UP,
1449     GADGET_ID_ANDROID_CONTENT_TEXT,     GADGET_ID_NONE,
1450     &level.num_android_clone_elements,
1451     NULL,                               NULL, "number of clonable elements"
1452   },
1453   {
1454     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1455     MIN_ENVELOPE_XSIZE,                 MAX_ENVELOPE_XSIZE,
1456     GADGET_ID_ENVELOPE_XSIZE_DOWN,      GADGET_ID_ENVELOPE_XSIZE_UP,
1457     GADGET_ID_ENVELOPE_XSIZE_TEXT,      GADGET_ID_NONE,
1458     NULL,                               /* will be set when used */
1459     NULL,                               NULL, "width",
1460   },
1461   {
1462     -1,                                 ED_ELEMENT_SETTINGS_YPOS(0),
1463     MIN_ENVELOPE_YSIZE,                 MAX_ENVELOPE_YSIZE,
1464     GADGET_ID_ENVELOPE_YSIZE_DOWN,      GADGET_ID_ENVELOPE_YSIZE_UP,
1465     GADGET_ID_ENVELOPE_YSIZE_TEXT,      GADGET_ID_ENVELOPE_XSIZE_UP,
1466     NULL,                               /* will be set when used */
1467     NULL,                               " ", "height",
1468   },
1469   {
1470     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1471     MIN_INITIAL_INVENTORY_SIZE,         MAX_INITIAL_INVENTORY_SIZE,
1472     GADGET_ID_INVENTORY_SIZE_DOWN,      GADGET_ID_INVENTORY_SIZE_UP,
1473     GADGET_ID_INVENTORY_SIZE_TEXT,      GADGET_ID_NONE,
1474     &level.initial_inventory_size[0],
1475     NULL,                               NULL, "number of inventory elements"
1476   },
1477
1478   /* ---------- element settings: configure 1 (custom elements) ------------ */
1479
1480   {
1481     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1482     MIN_SCORE,                          MAX_SCORE,
1483     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
1484     GADGET_ID_CUSTOM_SCORE_TEXT,        GADGET_ID_NONE,
1485     &custom_element.collect_score_initial,
1486     NULL,                               "CE score", " "
1487   },
1488   {
1489     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1490     MIN_COLLECT_COUNT,                  MAX_COLLECT_COUNT,
1491     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
1492     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,     GADGET_ID_CUSTOM_SCORE_UP,
1493     &custom_element.collect_count_initial,
1494     NULL,                               "CE count", NULL
1495   },
1496   {
1497     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1498     0,                                  9999,
1499     GADGET_ID_CUSTOM_VALUE_FIX_DOWN,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1500     GADGET_ID_CUSTOM_VALUE_FIX_TEXT,    GADGET_ID_NONE,
1501     &custom_element.ce_value_fixed_initial,
1502     NULL,                               "CE value", NULL
1503   },
1504   {
1505     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1506     0,                                  9999,
1507     GADGET_ID_CUSTOM_VALUE_RND_DOWN,    GADGET_ID_CUSTOM_VALUE_RND_UP,
1508     GADGET_ID_CUSTOM_VALUE_RND_TEXT,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1509     &custom_element.ce_value_random_initial,
1510     NULL,                               "+random", NULL
1511   },
1512   {
1513     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1514     0,                                  999,
1515     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
1516     GADGET_ID_PUSH_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1517     &custom_element.push_delay_fixed,
1518     NULL,                               "push delay", NULL
1519   },
1520   {
1521     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1522     0,                                  999,
1523     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
1524     GADGET_ID_PUSH_DELAY_RND_TEXT,      GADGET_ID_PUSH_DELAY_FIX_UP,
1525     &custom_element.push_delay_random,
1526     NULL,                               "+random", NULL
1527   },
1528   {
1529     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(7),
1530     0,                                  999,
1531     GADGET_ID_DROP_DELAY_FIX_DOWN,      GADGET_ID_DROP_DELAY_FIX_UP,
1532     GADGET_ID_DROP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1533     &custom_element.drop_delay_fixed,
1534     NULL,                               "drop delay", NULL
1535   },
1536   {
1537     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
1538     0,                                  999,
1539     GADGET_ID_DROP_DELAY_RND_DOWN,      GADGET_ID_DROP_DELAY_RND_UP,
1540     GADGET_ID_DROP_DELAY_RND_TEXT,      GADGET_ID_DROP_DELAY_FIX_UP,
1541     &custom_element.drop_delay_random,
1542     NULL,                               "+random", NULL
1543   },
1544
1545   /* ---------- element settings: configure 2 (custom elements) ------------ */
1546
1547   {
1548     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1549     0,                                  999,
1550     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
1551     GADGET_ID_MOVE_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1552     &custom_element.move_delay_fixed,
1553     NULL,                               "move delay", NULL
1554   },
1555   {
1556     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1557     0,                                  999,
1558     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
1559     GADGET_ID_MOVE_DELAY_RND_TEXT,      GADGET_ID_MOVE_DELAY_FIX_UP,
1560     &custom_element.move_delay_random,
1561     NULL,                               "+random", NULL
1562   },
1563   {
1564     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(12),
1565     0,                                  999,
1566     GADGET_ID_EXPLOSION_DELAY_DOWN,     GADGET_ID_EXPLOSION_DELAY_UP,
1567     GADGET_ID_EXPLOSION_DELAY_TEXT,     GADGET_ID_NONE,
1568     &custom_element.explosion_delay,
1569     NULL,                               "explosion delay", NULL
1570   },
1571   {
1572     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
1573     0,                                  999,
1574     GADGET_ID_IGNITION_DELAY_DOWN,      GADGET_ID_IGNITION_DELAY_UP,
1575     GADGET_ID_IGNITION_DELAY_TEXT,      GADGET_ID_NONE,
1576     &custom_element.ignition_delay,
1577     NULL,                               "ignition delay", "(by fire)"
1578   },
1579
1580   /* ---------- element settings: configure (group elements) --------------- */
1581
1582   {
1583     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1584     MIN_ELEMENTS_IN_GROUP,              MAX_ELEMENTS_IN_GROUP,
1585     GADGET_ID_GROUP_CONTENT_DOWN,       GADGET_ID_GROUP_CONTENT_UP,
1586     GADGET_ID_GROUP_CONTENT_TEXT,       GADGET_ID_NONE,
1587     &group_element_info.num_elements,
1588     NULL,                               NULL, "number of elements in group"
1589   },
1590
1591   /* ---------- element settings: advanced (custom elements) --------------- */
1592
1593   {
1594     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(2),
1595     0,                                  999,
1596     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1597     GADGET_ID_CHANGE_DELAY_FIX_TEXT,    GADGET_ID_NONE,
1598     &custom_element_change.delay_fixed,
1599     NULL,                               "CE delay", NULL,
1600   },
1601   {
1602     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
1603     0,                                  999,
1604     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
1605     GADGET_ID_CHANGE_DELAY_RND_TEXT,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1606     &custom_element_change.delay_random,
1607     NULL,                               "+random", NULL
1608   },
1609   {
1610     ED_ELEMENT_SETTINGS_XPOS(3),        ED_ELEMENT_SETTINGS_YPOS(12),
1611     0,                                  100,
1612     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
1613     GADGET_ID_CHANGE_CONT_RND_TEXT,     GADGET_ID_NONE,
1614     &custom_element_change.random_percentage,
1615     NULL,                               "use random replace:", "%"
1616   },
1617 };
1618
1619 static struct
1620 {
1621   int x, y;
1622   int gadget_id;
1623   int size;
1624   char *value;
1625   char *text_above, *infotext;
1626 } textinput_info[ED_NUM_TEXTINPUT] =
1627 {
1628   {
1629     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1630     GADGET_ID_LEVEL_NAME,
1631     MAX_LEVEL_NAME_LEN,
1632     level.name,
1633     "Title:", "Title for this level"
1634   },
1635   {
1636     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1637     GADGET_ID_LEVEL_AUTHOR,
1638     MAX_LEVEL_AUTHOR_LEN,
1639     level.author,
1640     "Author:", "Author for this level"
1641   },
1642   {
1643     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1644     GADGET_ID_LEVELSET_NAME,
1645     MAX_LEVEL_NAME_LEN,
1646     levelset_name,
1647     "Title:", "Title for this or new level set"
1648   },
1649   {
1650     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1651     GADGET_ID_LEVELSET_AUTHOR,
1652     MAX_LEVEL_AUTHOR_LEN,
1653     levelset_author,
1654     "Author:", "Author for this or new level set"
1655   },
1656   {
1657     -1, -1,     /* these values are not constant, but can change at runtime */
1658     GADGET_ID_ELEMENT_NAME,
1659     MAX_ELEMENT_NAME_LEN - 2,           /* currently 2 chars less editable */
1660     custom_element.description,
1661     NULL, "Element name"
1662   }
1663 };
1664
1665 static struct
1666 {
1667   int x, y;
1668   int gadget_id;
1669   int xsize, ysize;
1670   char *value;
1671   char *text_above, *infotext;
1672 } textarea_info[ED_NUM_TEXTAREAS] =
1673 {
1674   {
1675     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1676     GADGET_ID_ENVELOPE_INFO,
1677     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
1678     NULL,
1679     "Envelope Content:", "Envelope Content"
1680   }
1681 };
1682
1683 static struct ValueTextInfo options_time_or_steps[] =
1684 {
1685   { 0,                          "seconds"                       },
1686   { 1,                          "steps"                         },
1687
1688   { -1,                         NULL                            }
1689 };
1690
1691 static struct ValueTextInfo options_game_engine_type[] =
1692 {
1693   { GAME_ENGINE_TYPE_RND,       "Rocks'n'Diamonds"              },
1694   { GAME_ENGINE_TYPE_EM,        "Emerald Mine"                  },
1695   { GAME_ENGINE_TYPE_SP,        "Supaplex"                      },
1696   { GAME_ENGINE_TYPE_MM,        "Mirror Magic"                  },
1697
1698   { -1,                         NULL                            }
1699 };
1700
1701 static struct ValueTextInfo options_levelset_save_mode[] =
1702 {
1703   { LEVELSET_SAVE_MODE_UPDATE,  "Update this level set"         },
1704   { LEVELSET_SAVE_MODE_CREATE,  "Create new level set"          },
1705
1706   { -1,                         NULL                            }
1707 };
1708
1709 static struct ValueTextInfo options_wind_direction[] =
1710 {
1711   { MV_START_NONE,              "none"                          },
1712   { MV_START_LEFT,              "left"                          },
1713   { MV_START_RIGHT,             "right"                         },
1714   { MV_START_UP,                "up"                            },
1715   { MV_START_DOWN,              "down"                          },
1716
1717   { -1,                         NULL                            }
1718 };
1719
1720 static struct ValueTextInfo options_player_speed[] =
1721 {
1722   { 0,                          "frozen"                        },
1723   { 1,                          "very slow"                     },
1724   { 2,                          "slow"                          },
1725   { 4,                          "normal"                        },
1726   { 8,                          "fast"                          },
1727   { 16,                         "very fast"                     },
1728   { 32,                         "ultrafast"                     },
1729
1730   { -1,                         NULL                            }
1731 };
1732
1733 static struct ValueTextInfo options_access_type[] =
1734 {
1735   { EP_WALKABLE,                "walkable"                      },
1736   { EP_PASSABLE,                "passable"                      },
1737
1738   { -1,                         NULL                            }
1739 };
1740
1741 static struct ValueTextInfo options_access_layer[] =
1742 {
1743   { EP_ACCESSIBLE_OVER,         "over"                          },
1744   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
1745   { EP_ACCESSIBLE_UNDER,        "under"                         },
1746
1747   { -1,                         NULL                            }
1748 };
1749
1750 static struct ValueTextInfo options_access_protected[] =
1751 {
1752   { 0,                          "unprotected"                   },
1753   { 1,                          "protected"                     },
1754
1755   { -1,                         NULL                            }
1756 };
1757
1758 static struct ValueTextInfo options_access_direction[] =
1759 {
1760   { MV_NO_DIRECTION,            "no direction"                  },
1761   { MV_LEFT,                    "left"                          },
1762   { MV_RIGHT,                   "right"                         },
1763   { MV_UP,                      "up"                            },
1764   { MV_DOWN,                    "down"                          },
1765   { MV_LEFT  | MV_UP,           "left + up"                     },
1766   { MV_LEFT  | MV_DOWN,         "left + down"                   },
1767   { MV_RIGHT | MV_UP,           "right + up"                    },
1768   { MV_RIGHT | MV_DOWN,         "right + down"                  },
1769   { MV_HORIZONTAL,              "horizontal"                    },
1770   { MV_VERTICAL,                "vertical"                      },
1771   { MV_HORIZONTAL | MV_UP,      "horizontal + up"               },
1772   { MV_HORIZONTAL | MV_DOWN,    "horizontal + down"             },
1773   { MV_VERTICAL   | MV_LEFT,    "vertical + left"               },
1774   { MV_VERTICAL   | MV_RIGHT,   "vertical + right"              },
1775   { MV_ALL_DIRECTIONS,          "all directions"                },
1776
1777   { -1,                         NULL                            }
1778 };
1779
1780 static struct ValueTextInfo options_walk_to_action[] =
1781 {
1782   { EP_DIGGABLE,                "diggable"                      },
1783   { EP_COLLECTIBLE_ONLY,        "collectible"                   },
1784   { EP_DROPPABLE,               "collectible & droppable"       },
1785   { EP_THROWABLE,               "collectible & throwable"       },
1786   { EP_PUSHABLE,                "pushable"                      },
1787
1788   { -1,                         NULL                            }
1789 };
1790
1791 static struct ValueTextInfo options_move_pattern[] =
1792 {
1793   { MV_LEFT,                    "left"                          },
1794   { MV_RIGHT,                   "right"                         },
1795   { MV_UP,                      "up"                            },
1796   { MV_DOWN,                    "down"                          },
1797   { MV_HORIZONTAL,              "horizontal"                    },
1798   { MV_VERTICAL,                "vertical"                      },
1799   { MV_ALL_DIRECTIONS,          "all directions"                },
1800   { MV_WIND_DIRECTION,          "wind direction"                },
1801   { MV_TOWARDS_PLAYER,          "towards player"                },
1802   { MV_AWAY_FROM_PLAYER,        "away from player"              },
1803   { MV_ALONG_LEFT_SIDE,         "along left side"               },
1804   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
1805   { MV_TURNING_LEFT,            "turning left"                  },
1806   { MV_TURNING_RIGHT,           "turning right"                 },
1807   { MV_TURNING_LEFT_RIGHT,      "turning left, right"           },
1808   { MV_TURNING_RIGHT_LEFT,      "turning right, left"           },
1809   { MV_TURNING_RANDOM,          "turning random"                },
1810   { MV_MAZE_RUNNER,             "maze runner style"             },
1811   { MV_MAZE_HUNTER,             "maze hunter style"             },
1812   { MV_WHEN_PUSHED,             "when pushed"                   },
1813   { MV_WHEN_DROPPED,            "when dropped/thrown"           },
1814
1815   { -1,                         NULL                            }
1816 };
1817
1818 static struct ValueTextInfo options_move_direction[] =
1819 {
1820   { MV_START_AUTOMATIC,         "automatic"                     },
1821   { MV_START_LEFT,              "left"                          },
1822   { MV_START_RIGHT,             "right"                         },
1823   { MV_START_UP,                "up"                            },
1824   { MV_START_DOWN,              "down"                          },
1825   { MV_START_RANDOM,            "random"                        },
1826   { MV_START_PREVIOUS,          "previous"                      },
1827
1828   { -1,                         NULL                            }
1829 };
1830
1831 static struct ValueTextInfo options_move_stepsize[] =
1832 {
1833   { 0,                          "not moving"                    },
1834   { 1,                          "very slow"                     },
1835   { 2,                          "slow"                          },
1836   { 4,                          "normal"                        },
1837   { 8,                          "fast"                          },
1838   { 16,                         "very fast"                     },
1839   { 32,                         "even faster"                   },
1840
1841   { -1,                         NULL                            }
1842 };
1843
1844 static struct ValueTextInfo options_move_leave_type[] =
1845 {
1846   { LEAVE_TYPE_UNLIMITED,       "leave behind"                  },
1847   { LEAVE_TYPE_LIMITED,         "change it to"                  },
1848
1849   { -1,                         NULL                            }
1850 };
1851
1852 static struct ValueTextInfo options_smash_targets[] =
1853 {
1854   { EP_CAN_SMASH_PLAYER,        "player"                        },
1855 #if 0
1856   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
1857 #endif
1858   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
1859
1860   { -1,                         NULL                            }
1861 };
1862
1863 static struct ValueTextInfo options_slippery_type[] =
1864 {
1865   { SLIPPERY_ANY_RANDOM,        "random"                        },
1866   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
1867   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
1868   { SLIPPERY_ONLY_LEFT,         "only left"                     },
1869   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
1870
1871   { -1,                         NULL                            }
1872 };
1873
1874 static struct ValueTextInfo options_deadliness[] =
1875 {
1876   { EP_DONT_RUN_INTO,           "running into"                  },
1877   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
1878   { EP_DONT_GET_HIT_BY,         "getting hit by"                },
1879   { EP_DONT_TOUCH,              "touching"                      },
1880
1881   { -1,                         NULL                            }
1882 };
1883
1884 static struct ValueTextInfo options_explosion_type[] =
1885 {
1886   { EXPLODES_3X3,               "3x3"                           },
1887   { EXPLODES_CROSS,             "3+3"                           },
1888   { EXPLODES_1X1,               "1x1"                           },
1889
1890   { -1,                         NULL                            }
1891 };
1892
1893 static struct ValueTextInfo options_time_units[] =
1894 {
1895   { 1,                          "frames"                        },
1896   { FRAMES_PER_SECOND,          "seconds"                       },
1897
1898   { -1,                         NULL                            }
1899 };
1900
1901 static struct ValueTextInfo options_change_direct_action[] =
1902 {
1903   { CE_TOUCHED_BY_PLAYER,       "touched by player"             },
1904   { CE_PRESSED_BY_PLAYER,       "pressed by player"             },
1905   { CE_SWITCHED_BY_PLAYER,      "switched by player"            },
1906   { CE_SNAPPED_BY_PLAYER,       "snapped by player"             },
1907   { CE_PUSHED_BY_PLAYER,        "pushed by player"              },
1908   { CE_ENTERED_BY_PLAYER,       "entered by player"             },
1909   { CE_LEFT_BY_PLAYER,          "left by player"                },
1910   { CE_DROPPED_BY_PLAYER,       "dropped/thrown by player"      },
1911   { CE_SWITCHED,                "switched"                      },
1912   { CE_HITTING_SOMETHING,       "hitting something"             },
1913   { CE_HIT_BY_SOMETHING,        "hit by something"              },
1914 #if 0
1915   { CE_BLOCKED,                 "blocked"                       },
1916 #endif
1917   { CE_IMPACT,                  "impact (on something)"         },
1918   { CE_SMASHED,                 "smashed (from above)"          },
1919 #if 0
1920   { CE_VALUE_CHANGES,           "CE value changes"              },
1921   { CE_SCORE_CHANGES,           "CE score changes"              },
1922 #endif
1923   { CE_VALUE_GETS_ZERO,         "CE value gets 0"               },
1924   { CE_SCORE_GETS_ZERO,         "CE score gets 0"               },
1925
1926   { -1,                         NULL                            }
1927 };
1928
1929 static struct ValueTextInfo options_change_other_action[] =
1930 {
1931   { CE_PLAYER_TOUCHES_X,        "player touches"                },
1932   { CE_PLAYER_PRESSES_X,        "player presses"                },
1933   { CE_PLAYER_SWITCHES_X,       "player switches"               },
1934   { CE_PLAYER_SNAPS_X,          "player snaps"                  },
1935   { CE_PLAYER_PUSHES_X,         "player pushes"                 },
1936   { CE_PLAYER_ENTERS_X,         "player enters"                 },
1937   { CE_PLAYER_LEAVES_X,         "player leaves"                 },
1938   { CE_PLAYER_DIGS_X,           "player digs"                   },
1939   { CE_PLAYER_COLLECTS_X,       "player collects"               },
1940   { CE_PLAYER_DROPS_X,          "player drops/throws"           },
1941   { CE_TOUCHING_X,              "touching"                      },
1942   { CE_HITTING_X,               "hitting"                       },
1943   { CE_DIGGING_X,               "digging"                       },
1944   { CE_HIT_BY_X,                "hit by"                        },
1945   { CE_SWITCH_OF_X,             "switch of"                     },
1946   { CE_CHANGE_OF_X,             "change by page of"             },
1947   { CE_EXPLOSION_OF_X,          "explosion of"                  },
1948   { CE_MOVE_OF_X,               "move of"                       },
1949   { CE_CREATION_OF_X,           "creation of"                   },
1950   { CE_VALUE_CHANGES_OF_X,      "CE value changes of"           },
1951   { CE_SCORE_CHANGES_OF_X,      "CE score changes of"           },
1952   { CE_VALUE_GETS_ZERO_OF_X,    "CE value gets 0 of"            },
1953   { CE_SCORE_GETS_ZERO_OF_X,    "CE score gets 0 of"            },
1954
1955   { -1,                         NULL                            }
1956 };
1957
1958 static struct ValueTextInfo options_change_trigger_side[] =
1959 {
1960   { CH_SIDE_LEFT,               "left"                          },
1961   { CH_SIDE_RIGHT,              "right"                         },
1962   { CH_SIDE_TOP,                "top"                           },
1963   { CH_SIDE_BOTTOM,             "bottom"                        },
1964   { CH_SIDE_LEFT_RIGHT,         "left/right"                    },
1965   { CH_SIDE_TOP_BOTTOM,         "top/bottom"                    },
1966   { CH_SIDE_ANY,                "any"                           },
1967
1968   { -1,                         NULL                            }
1969 };
1970
1971 static struct ValueTextInfo options_change_trigger_player[] =
1972 {
1973   { CH_PLAYER_1,                "1"                             },
1974   { CH_PLAYER_2,                "2"                             },
1975   { CH_PLAYER_3,                "3"                             },
1976   { CH_PLAYER_4,                "4"                             },
1977   { CH_PLAYER_ANY,              "any"                           },
1978
1979   { -1,                         NULL                            }
1980 };
1981
1982 static struct ValueTextInfo options_change_trigger_page[] =
1983 {
1984   { (1 << 0),                   "1"                             },
1985   { (1 << 1),                   "2"                             },
1986   { (1 << 2),                   "3"                             },
1987   { (1 << 3),                   "4"                             },
1988   { (1 << 4),                   "5"                             },
1989   { (1 << 5),                   "6"                             },
1990   { (1 << 6),                   "7"                             },
1991   { (1 << 7),                   "8"                             },
1992   { (1 << 8),                   "9"                             },
1993   { (1 << 9),                   "10"                            },
1994   { (1 << 10),                  "11"                            },
1995   { (1 << 11),                  "12"                            },
1996   { (1 << 12),                  "13"                            },
1997   { (1 << 13),                  "14"                            },
1998   { (1 << 14),                  "15"                            },
1999   { (1 << 15),                  "16"                            },
2000   { (1 << 16),                  "17"                            },
2001   { (1 << 17),                  "18"                            },
2002   { (1 << 18),                  "19"                            },
2003   { (1 << 19),                  "20"                            },
2004   { (1 << 20),                  "21"                            },
2005   { (1 << 21),                  "22"                            },
2006   { (1 << 22),                  "23"                            },
2007   { (1 << 23),                  "24"                            },
2008   { (1 << 24),                  "25"                            },
2009   { (1 << 25),                  "26"                            },
2010   { (1 << 26),                  "27"                            },
2011   { (1 << 27),                  "28"                            },
2012   { (1 << 28),                  "29"                            },
2013   { (1 << 29),                  "30"                            },
2014   { (1 << 30),                  "31"                            },
2015   { (1 << 31),                  "32"                            },
2016   { CH_PAGE_ANY,                "any"                           },
2017
2018   { -1,                         NULL                            }
2019 };
2020
2021 static struct ValueTextInfo options_change_replace_when[] =
2022 {
2023   { CP_WHEN_EMPTY,              "empty"                         },
2024   { CP_WHEN_WALKABLE,           "walkable"                      },
2025   { CP_WHEN_DIGGABLE,           "diggable"                      },
2026   { CP_WHEN_COLLECTIBLE,        "collectible"                   },
2027   { CP_WHEN_REMOVABLE,          "removable"                     },
2028   { CP_WHEN_DESTRUCTIBLE,       "destructible"                  },
2029
2030   { -1,                         NULL                            }
2031 };
2032
2033 static struct ValueTextInfo options_action_type[] =
2034 {
2035   { CA_NO_ACTION,               "no action"                     },
2036   { CA_UNDEFINED,               " "                             },
2037   { CA_HEADLINE_LEVEL_ACTIONS,  "[level]"                       },
2038   { CA_RESTART_LEVEL,           "restart level"                 },
2039   { CA_SHOW_ENVELOPE,           "show envelope"                 },
2040   { CA_SET_LEVEL_TIME,          "set time"                      },
2041   { CA_SET_LEVEL_SCORE,         "set score"                     },
2042   { CA_SET_LEVEL_GEMS,          "set gems"                      },
2043   { CA_SET_LEVEL_WIND,          "set wind dir."                 },
2044   { CA_SET_LEVEL_RANDOM_SEED,   "set rand. seed"                },
2045   { CA_UNDEFINED,               " "                             },
2046   { CA_HEADLINE_PLAYER_ACTIONS, "[player]"                      },
2047   { CA_MOVE_PLAYER,             "move player"                   },
2048   { CA_EXIT_PLAYER,             "exit player"                   },
2049   { CA_KILL_PLAYER,             "kill player"                   },
2050   { CA_SET_PLAYER_KEYS,         "set keys"                      },
2051   { CA_SET_PLAYER_SPEED,        "set speed"                     },
2052   { CA_SET_PLAYER_SHIELD,       "set shield"                    },
2053   { CA_SET_PLAYER_GRAVITY,      "set gravity"                   },
2054   { CA_SET_PLAYER_ARTWORK,      "set artwork"                   },
2055   { CA_SET_PLAYER_INVENTORY,    "set inventory"                 },
2056   { CA_UNDEFINED,               " "                             },
2057   { CA_HEADLINE_CE_ACTIONS,     "[CE]"                          },
2058   { CA_SET_CE_VALUE,            "set CE value"                  },
2059   { CA_SET_CE_SCORE,            "set CE score"                  },
2060   { CA_SET_CE_ARTWORK,          "set CE artwork"                },
2061   { CA_UNDEFINED,               " "                             },
2062   { CA_HEADLINE_ENGINE_ACTIONS, "[engine]"                      },
2063   { CA_SET_ENGINE_SCAN_MODE,    "set scan mode"                 },
2064
2065   { -1,                         NULL                            }
2066 };
2067
2068 static struct ValueTextInfo options_action_mode_none[] =
2069 {
2070   { CA_MODE_UNDEFINED,          " "                             },
2071
2072   { -1,                         NULL                            }
2073 };
2074
2075 static struct ValueTextInfo options_action_mode_assign[] =
2076 {
2077   { CA_MODE_SET,                "="                             },
2078
2079   { -1,                         NULL                            }
2080 };
2081
2082 static struct ValueTextInfo options_action_mode_add_remove[] =
2083 {
2084   { CA_MODE_ADD,                "+"                             },
2085   { CA_MODE_SUBTRACT,           "-"                             },
2086
2087   { -1,                         NULL                            }
2088 };
2089
2090 static struct ValueTextInfo options_action_mode_calculate[] =
2091 {
2092   { CA_MODE_SET,                "="                             },
2093   { CA_MODE_ADD,                "+"                             },
2094   { CA_MODE_SUBTRACT,           "-"                             },
2095   { CA_MODE_MULTIPLY,           "*"                             },
2096   { CA_MODE_DIVIDE,             "/"                             },
2097   { CA_MODE_MODULO,             "%"                             },
2098
2099   { -1,                         NULL                            }
2100 };
2101
2102 static struct ValueTextInfo options_action_arg_none[] =
2103 {
2104   { CA_ARG_UNDEFINED,           "         "                     },
2105
2106   { -1,                         NULL                            }
2107 };
2108
2109 static struct ValueTextInfo options_action_arg_player[] =
2110 {
2111   { CA_ARG_PLAYER_HEADLINE,     "[player]"                      },
2112   { CA_ARG_PLAYER_1,            "1"                             },
2113   { CA_ARG_PLAYER_2,            "2"                             },
2114   { CA_ARG_PLAYER_3,            "3"                             },
2115   { CA_ARG_PLAYER_4,            "4"                             },
2116   { CA_ARG_PLAYER_ANY,          "any"                           },
2117   { CA_ARG_PLAYER_TRIGGER,      "trigger"                       },
2118   { CA_ARG_PLAYER_ACTION,       "action ->"                     },
2119
2120   { -1,                         NULL                            }
2121 };
2122
2123 static struct ValueTextInfo options_action_arg_number[] =
2124 {
2125   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2126   { CA_ARG_0,                   "0"                             },
2127   { CA_ARG_1,                   "1"                             },
2128   { CA_ARG_2,                   "2"                             },
2129   { CA_ARG_3,                   "3"                             },
2130   { CA_ARG_4,                   "4"                             },
2131   { CA_ARG_5,                   "5"                             },
2132   { CA_ARG_10,                  "10"                            },
2133   { CA_ARG_100,                 "100"                           },
2134   { CA_ARG_1000,                "1000"                          },
2135   { CA_ARG_UNDEFINED,           " "                             },
2136   { CA_ARG_NUMBER_MIN,          "min"                           },
2137   { CA_ARG_NUMBER_MAX,          "max"                           },
2138   { CA_ARG_UNDEFINED,           " "                             },
2139   { CA_ARG_NUMBER_RESET,        "reset"                         },
2140   { CA_ARG_UNDEFINED,           " "                             },
2141   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2142   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2143   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2144   { CA_ARG_UNDEFINED,           " "                             },
2145   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2146   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2147   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2148   { CA_ARG_UNDEFINED,           " "                             },
2149   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2150   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2151   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2152   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2153   { CA_ARG_UNDEFINED,           " "                             },
2154   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2155   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2156   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2157   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2158
2159   { -1,                         NULL                            }
2160 };
2161
2162 static struct ValueTextInfo options_action_arg_value[] =
2163 {
2164   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2165   { CA_ARG_0,                   "0"                             },
2166   { CA_ARG_1,                   "1"                             },
2167   { CA_ARG_2,                   "2"                             },
2168   { CA_ARG_3,                   "3"                             },
2169   { CA_ARG_4,                   "4"                             },
2170   { CA_ARG_5,                   "5"                             },
2171   { CA_ARG_10,                  "10"                            },
2172   { CA_ARG_100,                 "100"                           },
2173   { CA_ARG_1000,                "1000"                          },
2174   { CA_ARG_UNDEFINED,           " "                             },
2175   { CA_ARG_NUMBER_MIN,          "min"                           },
2176   { CA_ARG_NUMBER_MAX,          "max"                           },
2177   { CA_ARG_UNDEFINED,           " "                             },
2178   { CA_ARG_NUMBER_RESET,        "reset"                         },
2179   { CA_ARG_UNDEFINED,           " "                             },
2180   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2181   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2182   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2183   { CA_ARG_UNDEFINED,           " "                             },
2184   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2185   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2186   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2187   { CA_ARG_UNDEFINED,           " "                             },
2188   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2189   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2190   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2191   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2192   { CA_ARG_UNDEFINED,           " "                             },
2193   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2194   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2195   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2196   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2197   { CA_ARG_UNDEFINED,           " "                             },
2198   { CA_ARG_ELEMENT_NR_HEADLINE, "[element]"                     },
2199   { CA_ARG_ELEMENT_NR_TARGET,   "target"                        },
2200   { CA_ARG_ELEMENT_NR_TRIGGER,  "trigger"                       },
2201   { CA_ARG_ELEMENT_NR_ACTION,   "action ->"                     },
2202
2203   { -1,                         NULL                            }
2204 };
2205
2206 static struct ValueTextInfo options_action_arg_envelope[] =
2207 {
2208   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2209   { CA_ARG_1,                   "1"                             },
2210   { CA_ARG_2,                   "2"                             },
2211   { CA_ARG_3,                   "3"                             },
2212   { CA_ARG_4,                   "4"                             },
2213   { CA_ARG_UNDEFINED,           " "                             },
2214   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2215   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2216   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2217   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2218
2219   { -1,                         NULL                            }
2220 };
2221
2222 static struct ValueTextInfo options_action_arg_key[] =
2223 {
2224   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2225   { CA_ARG_1,                   "1"                             },
2226   { CA_ARG_2,                   "2"                             },
2227   { CA_ARG_3,                   "3"                             },
2228   { CA_ARG_4,                   "4"                             },
2229   { CA_ARG_5,                   "5"                             },
2230   { CA_ARG_6,                   "6"                             },
2231   { CA_ARG_7,                   "7"                             },
2232   { CA_ARG_8,                   "8"                             },
2233   { CA_ARG_UNDEFINED,           " "                             },
2234   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2235   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2236   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2237   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2238
2239   { -1,                         NULL                            }
2240 };
2241
2242 static struct ValueTextInfo options_action_arg_speed[] =
2243 {
2244   { CA_ARG_SPEED_HEADLINE,      "[speed]"                       },
2245   { CA_ARG_SPEED_NOT_MOVING,    "frozen"                        },
2246   { CA_ARG_SPEED_VERY_SLOW,     "very slow"                     },
2247   { CA_ARG_SPEED_SLOW,          "slow"                          },
2248   { CA_ARG_SPEED_NORMAL,        "normal"                        },
2249   { CA_ARG_SPEED_FAST,          "fast"                          },
2250   { CA_ARG_SPEED_VERY_FAST,     "very fast"                     },
2251   { CA_ARG_SPEED_EVEN_FASTER,   "ultrafast"                     },
2252   { CA_ARG_UNDEFINED,           " "                             },
2253   { CA_ARG_SPEED_SLOWER,        "slower"                        },
2254   { CA_ARG_SPEED_FASTER,        "faster"                        },
2255   { CA_ARG_UNDEFINED,           " "                             },
2256   { CA_ARG_SPEED_RESET,         "reset"                         },
2257
2258   { -1,                         NULL                            }
2259 };
2260
2261 static struct ValueTextInfo options_action_arg_shield[] =
2262 {
2263   { CA_ARG_SHIELD_HEADLINE,     "[shield]"                      },
2264   { CA_ARG_SHIELD_OFF,          "off"                           },
2265   { CA_ARG_SHIELD_NORMAL,       "normal"                        },
2266   { CA_ARG_SHIELD_DEADLY,       "deadly"                        },
2267
2268   { -1,                         NULL                            }
2269 };
2270
2271 static struct ValueTextInfo options_action_arg_artwork[] =
2272 {
2273   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2274   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2275   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2276   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2277   { CA_ARG_UNDEFINED,           " "                             },
2278   { CA_ARG_ELEMENT_RESET,       "reset"                         },
2279
2280   { -1,                         NULL                            }
2281 };
2282
2283 static struct ValueTextInfo options_action_arg_gravity[] =
2284 {
2285   { CA_ARG_GRAVITY_HEADLINE,    "[gravity]"                     },
2286   { CA_ARG_GRAVITY_ON,          "on"                            },
2287   { CA_ARG_GRAVITY_OFF,         "off"                           },
2288   { CA_ARG_GRAVITY_TOGGLE,      "toggle"                        },
2289
2290   { -1,                         NULL                            }
2291 };
2292
2293 static struct ValueTextInfo options_action_arg_direction[] =
2294 {
2295   { CA_ARG_DIRECTION_HEADLINE,  "[dir.]"                        },
2296   { CA_ARG_DIRECTION_NONE,      "none"                          },
2297   { CA_ARG_DIRECTION_LEFT,      "left"                          },
2298   { CA_ARG_DIRECTION_RIGHT,     "right"                         },
2299   { CA_ARG_DIRECTION_UP,        "up"                            },
2300   { CA_ARG_DIRECTION_DOWN,      "down"                          },
2301   { CA_ARG_DIRECTION_TRIGGER,   "trigger"                       },
2302   { CA_ARG_DIRECTION_TRIGGER_BACK, "-trigger"                   },
2303
2304   { -1,                         NULL                            }
2305 };
2306
2307 static struct ValueTextInfo options_action_arg_scan_mode[] =
2308 {
2309   { CA_ARG_SCAN_MODE_HEADLINE,  "[mode]"                        },
2310   { CA_ARG_SCAN_MODE_NORMAL,    "normal"                        },
2311   { CA_ARG_SCAN_MODE_REVERSE,   "reverse"                       },
2312
2313   { -1,                         NULL                            }
2314 };
2315
2316 static struct ValueTextInfo options_action_arg_inventory[] =
2317 {
2318   { CA_ARG_INVENTORY_HEADLINE,  "[add]"                         },
2319   { CA_ARG_ELEMENT_TARGET,      "+ target"                      },
2320   { CA_ARG_ELEMENT_TRIGGER,     "+ trigger"                     },
2321   { CA_ARG_ELEMENT_ACTION,      "+ action"                      },
2322   { CA_ARG_UNDEFINED,           " "                             },
2323   { CA_ARG_INVENTORY_RM_HEADLINE,"[remove]"                     },
2324   { CA_ARG_INVENTORY_RM_TARGET, "- target"                      },
2325   { CA_ARG_INVENTORY_RM_TRIGGER,"- trigger"                     },
2326   { CA_ARG_INVENTORY_RM_ACTION, "- action"                      },
2327   { CA_ARG_INVENTORY_RM_FIRST,  "- first"                       },
2328   { CA_ARG_INVENTORY_RM_LAST,   "- last"                        },
2329   { CA_ARG_INVENTORY_RM_ALL,    "- all"                         },
2330   { CA_ARG_UNDEFINED,           " "                             },
2331   { CA_ARG_INVENTORY_RESET,     "reset"                         },
2332
2333   { -1,                         NULL                            }
2334 };
2335
2336 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
2337 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
2338 {
2339   { -1,                         NULL                            }
2340 };
2341
2342 static struct ValueTextInfo options_group_choice_mode[] =
2343 {
2344   { ANIM_RANDOM,                "random"                        },
2345   { ANIM_LOOP,                  "loop"                          },
2346   { ANIM_LINEAR,                "linear"                        },
2347   { ANIM_PINGPONG,              "pingpong"                      },
2348   { ANIM_PINGPONG2,             "pingpong 2"                    },
2349
2350   { -1,                         NULL                            }
2351 };
2352
2353 static struct ValueTextInfo *action_arg_modes[] =
2354 {
2355   options_action_mode_none,
2356   options_action_mode_assign,
2357   options_action_mode_add_remove,
2358   options_action_mode_calculate,
2359 };
2360
2361 static struct
2362 {
2363   int value;
2364   int mode;
2365   struct ValueTextInfo *options;
2366 }
2367 action_arg_options[] =
2368 {
2369   { CA_NO_ACTION,               0,      options_action_arg_none,        },
2370   { CA_EXIT_PLAYER,             0,      options_action_arg_player,      },
2371   { CA_KILL_PLAYER,             0,      options_action_arg_player,      },
2372   { CA_MOVE_PLAYER,             0,      options_action_arg_direction,   },
2373   { CA_RESTART_LEVEL,           0,      options_action_arg_none,        },
2374   { CA_SHOW_ENVELOPE,           0,      options_action_arg_envelope,    },
2375   { CA_SET_LEVEL_TIME,          3,      options_action_arg_number,      },
2376   { CA_SET_LEVEL_GEMS,          3,      options_action_arg_number,      },
2377   { CA_SET_LEVEL_SCORE,         3,      options_action_arg_number,      },
2378   { CA_SET_LEVEL_WIND,          1,      options_action_arg_direction,   },
2379   { CA_SET_LEVEL_RANDOM_SEED,   1,      options_action_arg_number,      },
2380   { CA_SET_PLAYER_KEYS,         2,      options_action_arg_key,         },
2381   { CA_SET_PLAYER_SPEED,        1,      options_action_arg_speed,       },
2382   { CA_SET_PLAYER_SHIELD,       1,      options_action_arg_shield,      },
2383   { CA_SET_PLAYER_GRAVITY,      1,      options_action_arg_gravity,     },
2384   { CA_SET_PLAYER_ARTWORK,      1,      options_action_arg_artwork,     },
2385   { CA_SET_PLAYER_INVENTORY,    0,      options_action_arg_inventory,   },
2386   { CA_SET_CE_VALUE,            3,      options_action_arg_value,       },
2387   { CA_SET_CE_SCORE,            3,      options_action_arg_value,       },
2388   { CA_SET_CE_ARTWORK,          1,      options_action_arg_artwork,     },
2389   { CA_SET_ENGINE_SCAN_MODE,    1,      options_action_arg_scan_mode,   },
2390
2391   { -1,                         FALSE,  NULL                            }
2392 };
2393
2394 static struct
2395 {
2396   int x, y;
2397   int gadget_id;
2398   int gadget_id_align;
2399   int size;     /* char size of selectbox or '-1' (dynamically determined) */
2400   struct ValueTextInfo *options;
2401   int *value;
2402   char *text_above, *text_left, *text_right, *infotext;
2403 } selectbox_info[ED_NUM_SELECTBOX] =
2404 {
2405   /* ---------- level and editor settings ---------------------------------- */
2406
2407   {
2408     -1,                                 ED_LEVEL_SETTINGS_YPOS(8),
2409     GADGET_ID_TIME_OR_STEPS,            GADGET_ID_LEVEL_TIMELIMIT_UP,
2410     -1,
2411     options_time_or_steps,
2412     &level.use_step_counter,
2413     NULL, NULL, "(0 => no limit)",      "time or step limit"
2414   },
2415   {
2416     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(11),
2417     GADGET_ID_GAME_ENGINE_TYPE,         GADGET_ID_NONE,
2418     -1,
2419     options_game_engine_type,
2420     &level.game_engine_type,
2421     NULL, "game engine:", NULL,         "game engine"
2422   },
2423   {
2424     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(9),
2425     GADGET_ID_LEVELSET_SAVE_MODE,       GADGET_ID_NONE,
2426     -1,
2427     options_levelset_save_mode,
2428     &levelset_save_mode,
2429     "Action:", NULL, NULL,              "action when saving level set"
2430   },
2431
2432   /* ---------- element settings: configure (several elements) ------------- */
2433
2434   {
2435     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2436     GADGET_ID_WIND_DIRECTION,           GADGET_ID_NONE,
2437     -1,
2438     options_wind_direction,
2439     &level.wind_direction_initial,
2440     NULL, "initial wind direction:", NULL,      "initial wind direction"
2441   },
2442   {
2443     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2444     GADGET_ID_PLAYER_SPEED,             GADGET_ID_NONE,
2445     -1,
2446     options_player_speed,
2447     &level.initial_player_stepsize[0],
2448     NULL, "initial player speed:", NULL,        "initial player speed"
2449   },
2450
2451   /* ---------- element settings: configure 1 (custom elements) ------------ */
2452
2453   {
2454     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2455     GADGET_ID_CUSTOM_ACCESS_TYPE,       GADGET_ID_NONE,
2456     -1,
2457     options_access_type,
2458     &custom_element.access_type,
2459     NULL, NULL, NULL,                   "type of access to this field"
2460   },
2461   {
2462     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2463     GADGET_ID_CUSTOM_ACCESS_LAYER,      GADGET_ID_CUSTOM_ACCESS_TYPE,
2464     -1,
2465     options_access_layer,
2466     &custom_element.access_layer,
2467     NULL, NULL, NULL,                   "layer of access for this field"
2468   },
2469   {
2470     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2471     GADGET_ID_CUSTOM_ACCESS_PROTECTED,  GADGET_ID_CUSTOM_ACCESS_LAYER,
2472     -1,
2473     options_access_protected,
2474     &custom_element.access_protected,
2475     NULL, NULL, NULL,                   "protected access for this field"
2476   },
2477   {
2478     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2479     GADGET_ID_CUSTOM_ACCESS_DIRECTION,  GADGET_ID_NONE,
2480     -1,
2481     options_access_direction,
2482     &custom_element.access_direction,
2483     NULL, "from", NULL,                 "access direction for this field"
2484   },
2485   {
2486     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2487     GADGET_ID_CUSTOM_WALK_TO_ACTION,    GADGET_ID_NONE,
2488     -1,
2489     options_walk_to_action,
2490     &custom_element.walk_to_action,
2491     NULL, NULL, NULL,                   "diggable/collectible/pushable"
2492   },
2493
2494   /* ---------- element settings: configure 2 (custom elements) ------------ */
2495
2496   {
2497     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(1),
2498     GADGET_ID_CUSTOM_MOVE_PATTERN,      GADGET_ID_NONE,
2499     -1,
2500     options_move_pattern,
2501     &custom_element.move_pattern,
2502     NULL, "can move", NULL,             "element move pattern"
2503   },
2504   {
2505     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2506     GADGET_ID_CUSTOM_MOVE_DIRECTION,    GADGET_ID_NONE,
2507     -1,
2508     options_move_direction,
2509     &custom_element.move_direction_initial,
2510     NULL, "starts moving", NULL,        "initial element move direction"
2511   },
2512   {
2513     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2514     GADGET_ID_CUSTOM_MOVE_STEPSIZE,     GADGET_ID_NONE,
2515     -1,
2516     options_move_stepsize,
2517     &custom_element.move_stepsize,
2518     NULL, "move/fall speed", NULL,      "speed of element movement"
2519   },
2520   {
2521     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2522     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,   GADGET_ID_NONE,
2523     -1,
2524     options_move_leave_type,
2525     &custom_element.move_leave_type,
2526     // left text with leading spaces to place gadget next to "can dig" gadget
2527     // (needed because drawing area gadgets created after selectbox gadgets)
2528     // NULL, "can dig:    can", ":",    "leave behind or change element"
2529     NULL, "            can", ":",       "leave behind or change element"
2530   },
2531   {
2532     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
2533     GADGET_ID_CUSTOM_SMASH_TARGETS,     GADGET_ID_CUSTOM_CAN_SMASH,
2534     -1,
2535     options_smash_targets,
2536     &custom_element.smash_targets,
2537     NULL, "can smash", NULL,            "elements that can be smashed"
2538   },
2539   {
2540     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
2541     GADGET_ID_CUSTOM_SLIPPERY_TYPE,     GADGET_ID_NONE,
2542     -1,
2543     options_slippery_type,
2544     &custom_element.slippery_type,
2545     NULL, "slippery", NULL,             "where other elements fall down"
2546   },
2547   {
2548     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
2549     GADGET_ID_CUSTOM_DEADLINESS,        GADGET_ID_NONE,
2550     -1,
2551     options_deadliness,
2552     &custom_element.deadliness,
2553     NULL, "deadly when", NULL,          "deadliness of element"
2554   },
2555   {
2556     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(10),
2557     GADGET_ID_CUSTOM_EXPLOSION_TYPE,    GADGET_ID_NONE,
2558     -1,
2559     options_explosion_type,
2560     &custom_element.explosion_type,
2561     NULL, "can explode", NULL,          "explosion type"
2562   },
2563
2564   /* ---------- element settings: advanced (custom elements) --------------- */
2565
2566   {
2567     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(3),
2568     GADGET_ID_CHANGE_TIME_UNITS,        GADGET_ID_NONE,
2569     -1,
2570     options_time_units,
2571     &custom_element_change.delay_frames,
2572     NULL, "delay time given in", NULL,  "delay time units for change"
2573   },
2574   {
2575     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(4),
2576     GADGET_ID_CHANGE_DIRECT_ACTION,     GADGET_ID_NONE,
2577     -1,
2578     options_change_direct_action,
2579     &custom_element_change.direct_action,
2580     NULL, NULL, NULL,                   "type of direct action"
2581   },
2582   {
2583     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(5),
2584     GADGET_ID_CHANGE_OTHER_ACTION,      GADGET_ID_NONE,
2585     -1,
2586     options_change_other_action,
2587     &custom_element_change.other_action,
2588     NULL, NULL, "element:",             "type of other element action"
2589   },
2590   {
2591     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(6),
2592     GADGET_ID_CHANGE_SIDE,              GADGET_ID_NONE,
2593     -1,
2594     options_change_trigger_side,
2595     &custom_element_change.trigger_side,
2596     NULL, "at", "side",                 "element side triggering change"
2597   },
2598   {
2599     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2600     GADGET_ID_CHANGE_PLAYER,            GADGET_ID_NONE,
2601     -1,
2602     options_change_trigger_player,
2603     &custom_element_change.trigger_player,
2604     NULL, "player:", " ",               "player that causes change"
2605   },
2606   {
2607     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2608     GADGET_ID_CHANGE_PAGE,              GADGET_ID_CHANGE_PLAYER,
2609     -1,
2610     options_change_trigger_page,
2611     &custom_element_change.trigger_page,
2612     NULL, "page:", NULL,                "change page that causes change"
2613   },
2614   {
2615     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(10),
2616     GADGET_ID_CHANGE_REPLACE_WHEN,      GADGET_ID_NONE,
2617     -1,
2618     options_change_replace_when,
2619     &custom_element_change.replace_when,
2620     NULL, "replace when", NULL,         "which elements can be replaced"
2621   },
2622   {
2623     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
2624     GADGET_ID_ACTION_TYPE,              GADGET_ID_NONE,
2625     -1,
2626     options_action_type,
2627     &custom_element_change.action_type,
2628     NULL, NULL, NULL,                   "action on specified condition"
2629   },
2630   {
2631     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2632     GADGET_ID_ACTION_MODE,              GADGET_ID_ACTION_TYPE,
2633     -1,
2634     options_action_mode_none,
2635     &custom_element_change.action_mode,
2636     NULL, NULL, NULL,                   "action operator"
2637   },
2638   {
2639     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2640     GADGET_ID_ACTION_ARG,               GADGET_ID_ACTION_MODE,
2641     -1,
2642     options_action_arg_none,
2643     &custom_element_change.action_arg,
2644     NULL, NULL, NULL,                   "action parameter"
2645   },
2646   {
2647     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
2648     GADGET_ID_SELECT_CHANGE_PAGE,       GADGET_ID_NONE,
2649     3,
2650     options_change_page,
2651     &custom_element.current_change_page,
2652     NULL, NULL, NULL,                   "element change page"
2653   },
2654
2655   /* ---------- element settings: configure (group elements) --------------- */
2656
2657   {
2658     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2659     GADGET_ID_GROUP_CHOICE_MODE,        GADGET_ID_NONE,
2660     -1,
2661     options_group_choice_mode,
2662     &group_element_info.choice_mode,
2663     NULL, "choice type:", NULL,         "type of group element choice"
2664   },
2665 };
2666
2667 static struct
2668 {
2669   int x, y;
2670   int gadget_id;
2671   int gadget_id_align;
2672   int size;
2673   char *text;
2674   char *text_above, *text_left, *text_right, *infotext;
2675 } textbutton_info[ED_NUM_TEXTBUTTONS] =
2676 {
2677   /* ---------- level and editor settings (tabs) --------------------------- */
2678
2679   {
2680     ED_LEVEL_TABS_XPOS(0),              ED_LEVEL_TABS_YPOS(0),
2681     GADGET_ID_LEVELINFO_LEVEL,          GADGET_ID_NONE,
2682     8,                                  "Level",
2683     NULL, NULL, NULL,                   "Configure level properties"
2684   },
2685   {
2686     -1,                                 -1,
2687     GADGET_ID_LEVELINFO_LEVELSET,       GADGET_ID_LEVELINFO_LEVEL,
2688     8,                                  "Levelset",
2689     NULL, NULL, NULL,                   "Update this or create new level set"
2690   },
2691   {
2692     -1,                                 -1,
2693     GADGET_ID_LEVELINFO_EDITOR,         GADGET_ID_LEVELINFO_LEVELSET,
2694     8,                                  "Editor",
2695     NULL, NULL, NULL,                   "Configure editor properties"
2696   },
2697
2698   /* ---------- element settings (tabs) ------------------------------------ */
2699
2700   {
2701     ED_ELEMENT_TABS_XPOS(0),            ED_ELEMENT_TABS_YPOS(0),
2702     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
2703     8,                                  "Info",
2704     NULL, NULL, NULL,                   "Show information about element"
2705   },
2706   {
2707     -1,                                 -1,
2708     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_PROPERTIES_INFO,
2709     8,                                  "Config",
2710     NULL, NULL, NULL,                   "Configure element properties"
2711   },
2712   {
2713     -1,                                 -1,
2714     GADGET_ID_PROPERTIES_CONFIG_1,      GADGET_ID_PROPERTIES_INFO,
2715     8,                                  "Config 1",
2716     NULL, NULL, NULL,                   "Configure element properties, part 1"
2717   },
2718   {
2719     -1,                                 -1,
2720     GADGET_ID_PROPERTIES_CONFIG_2,      GADGET_ID_PROPERTIES_CONFIG_1,
2721     8,                                  "Config 2",
2722     NULL, NULL, NULL,                   "Configure element properties, part 2"
2723   },
2724   {
2725     -1,                                 -1,
2726     GADGET_ID_PROPERTIES_CHANGE,        GADGET_ID_PROPERTIES_CONFIG_2,
2727     8,                                  "Change",
2728     NULL, NULL, NULL,                   "Configure custom element change pages"
2729   },
2730
2731   /* ---------- level and editor settings (buttons) ------------------------ */
2732
2733   {
2734     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(9),
2735     GADGET_ID_SAVE_LEVELSET,            GADGET_ID_LEVELSET_SAVE_MODE,
2736     -1,                                 "Save",
2737     NULL, NULL, NULL,                   "Update or create level set"
2738   },
2739   {
2740     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
2741     GADGET_ID_SAVE_AS_TEMPLATE_2,       GADGET_ID_NONE,
2742     -1,                                 "Save",
2743     NULL, NULL,                         "this level as level template",
2744     "Save current settings as new template"
2745   },
2746
2747   /* ---------- element settings (buttons) --------------------------------- */
2748
2749   {
2750     -1,                                 -1,
2751     GADGET_ID_SAVE_AS_TEMPLATE_1,       GADGET_ID_CUSTOM_USE_TEMPLATE_1,
2752     -1,                                 "Save",
2753     NULL, " ",                          "As Template",
2754     "Save current settings as new template"
2755   },
2756   {
2757     -1,                                 -1,
2758     GADGET_ID_ADD_CHANGE_PAGE,          GADGET_ID_PASTE_CHANGE_PAGE,
2759     -1,                                 "New",
2760     NULL, NULL, NULL,                   "Add new change page"
2761   },
2762   {
2763     -1,                                 -1,
2764     GADGET_ID_DEL_CHANGE_PAGE,          GADGET_ID_ADD_CHANGE_PAGE,
2765     -1,                                 "Delete",
2766     NULL, NULL, NULL,                   "Delete current change page"
2767   },
2768 };
2769
2770 static struct
2771 {
2772   int graphic;
2773   int x, y;
2774   int gadget_id;
2775   int gadget_id_align;
2776   char *text_left, *text_right, *infotext;
2777 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
2778 {
2779   {
2780     IMG_EDITOR_COUNTER_DOWN,
2781     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
2782     GADGET_ID_PREV_CHANGE_PAGE,         GADGET_ID_NONE,
2783     NULL, NULL,                         "select previous change page"
2784   },
2785   {
2786     IMG_EDITOR_COUNTER_UP,
2787     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2788     GADGET_ID_NEXT_CHANGE_PAGE,         GADGET_ID_SELECT_CHANGE_PAGE,
2789     NULL, "change page",                "select next change page"
2790   },
2791   {
2792     IMG_GFX_EDITOR_BUTTON_CP_COPY,
2793     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2794     GADGET_ID_COPY_CHANGE_PAGE,         GADGET_ID_NEXT_CHANGE_PAGE,
2795     " ", NULL,                          "copy settings from this change page"
2796   },
2797   {
2798     IMG_GFX_EDITOR_BUTTON_CP_PASTE,
2799     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2800     GADGET_ID_PASTE_CHANGE_PAGE,        GADGET_ID_COPY_CHANGE_PAGE,
2801     NULL, NULL,                         "paste settings to this change page"
2802   },
2803 };
2804
2805 static struct
2806 {
2807   int x, y;
2808 } scrollbutton_pos[ED_NUM_SCROLLBUTTONS];
2809
2810 static struct
2811 {
2812   int graphic;
2813   int gadget_id;
2814   char *infotext;
2815 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
2816 {
2817   {
2818     IMG_EDITOR_PLAYFIELD_SCROLL_UP,
2819     GADGET_ID_SCROLL_UP,
2820     "scroll level editing area up"
2821   },
2822   {
2823     IMG_EDITOR_PLAYFIELD_SCROLL_DOWN,
2824     GADGET_ID_SCROLL_DOWN,
2825     "scroll level editing area down"
2826   },
2827   {
2828     IMG_EDITOR_PLAYFIELD_SCROLL_LEFT,
2829     GADGET_ID_SCROLL_LEFT,
2830     "scroll level editing area left"
2831   },
2832   {
2833     IMG_EDITOR_PLAYFIELD_SCROLL_RIGHT,
2834     GADGET_ID_SCROLL_RIGHT,
2835     "scroll level editing area right"
2836   },
2837   {
2838     IMG_EDITOR_PALETTE_SCROLL_UP,
2839     GADGET_ID_SCROLL_LIST_UP,
2840     "scroll element list up ('Page Up')"
2841   },
2842   {
2843     IMG_EDITOR_PALETTE_SCROLL_DOWN,
2844     GADGET_ID_SCROLL_LIST_DOWN,
2845     "scroll element list down ('Page Down')"
2846   },
2847 };
2848
2849 static struct
2850 {
2851   int x, y;
2852   int width, height;
2853   int wheel_x, wheel_y;
2854   int wheel_width, wheel_height;
2855 } scrollbar_pos[ED_NUM_SCROLLBARS];
2856
2857 static struct
2858 {
2859   int graphic;
2860   int type;
2861   int gadget_id;
2862   char *infotext;
2863 } scrollbar_info[ED_NUM_SCROLLBARS] =
2864 {
2865   {
2866     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
2867     GD_TYPE_SCROLLBAR_HORIZONTAL,
2868     GADGET_ID_SCROLL_HORIZONTAL,
2869     "scroll level editing area horizontally"
2870   },
2871   {
2872     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
2873     GD_TYPE_SCROLLBAR_VERTICAL,
2874     GADGET_ID_SCROLL_VERTICAL,
2875     "scroll level editing area vertically"
2876   },
2877   {
2878     IMG_EDITOR_PALETTE_SCROLLBAR,
2879     GD_TYPE_SCROLLBAR_VERTICAL,
2880     GADGET_ID_SCROLL_LIST_VERTICAL,
2881     "scroll element list vertically"
2882   }
2883 };
2884
2885
2886 static struct
2887 {
2888   int x, y;
2889   int gadget_id;
2890   int gadget_id_align;
2891   int radio_button_nr;
2892   int *value;
2893   int checked_value;
2894   char *text_left, *text_right, *infotext;
2895 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
2896 {
2897   {
2898     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
2899     GADGET_ID_RANDOM_PERCENTAGE,        GADGET_ID_LEVEL_RANDOM_UP,
2900     RADIO_NR_RANDOM_ELEMENTS,
2901     &random_placement_method,           RANDOM_USE_PERCENTAGE,
2902     " ", "percentage",                  "use percentage for random elements"
2903   },
2904   {
2905     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
2906     GADGET_ID_RANDOM_QUANTITY,          GADGET_ID_RANDOM_PERCENTAGE,
2907     RADIO_NR_RANDOM_ELEMENTS,
2908     &random_placement_method,           RANDOM_USE_QUANTITY,
2909     " ", "quantity",                    "use quantity for random elements"
2910   }
2911 };
2912
2913 static struct
2914 {
2915   int x, y;
2916   int gadget_id;
2917   int gadget_id_align;
2918   boolean *value;
2919   char *text_above, *text_left, *text_right, *infotext;
2920 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
2921 {
2922   /* ---------- level and editor settings ---------------------------------- */
2923
2924   {
2925     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
2926     GADGET_ID_AUTO_COUNT_GEMS,          GADGET_ID_NONE,
2927     &level.auto_count_gems,
2928     NULL, NULL,
2929     "automatically count gems needed",  "set counter to number of gems"
2930   },
2931   {
2932     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
2933     GADGET_ID_RANDOM_RESTRICTED,        GADGET_ID_NONE,
2934     &random_placement_background_restricted,
2935     NULL, NULL,
2936     "restrict random placement to:",    "set random placement restriction"
2937   },
2938   {
2939     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
2940     GADGET_ID_CUSTOM_USE_TEMPLATE_3,    GADGET_ID_NONE,
2941     &setup.editor.use_template_for_new_levels,
2942     "Template for new levels and CE/GE:", NULL,
2943     "use template for new levels",      "use template for level properties"
2944   },
2945   {
2946     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
2947     GADGET_ID_CUSTOM_USE_TEMPLATE_2,    GADGET_ID_NONE,
2948     &level.use_custom_template,
2949     NULL, NULL,
2950     "use template for custom elements", "use template for custom properties"
2951   },
2952
2953   /* ---------- element settings: configure (various elements) ------------- */
2954
2955   {
2956     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2957     GADGET_ID_STICK_ELEMENT,            GADGET_ID_NONE,
2958     &stick_element_properties_window,
2959     NULL, NULL,
2960     "stick this screen to edit content","stick this screen to edit content"
2961   },
2962   {
2963     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2964     GADGET_ID_EM_SLIPPERY_GEMS,         GADGET_ID_NONE,
2965     &level.em_slippery_gems,
2966     NULL, NULL,
2967     "slip down from certain flat walls","use EM/DC style slipping behaviour"
2968   },
2969   {
2970     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2971     GADGET_ID_EM_EXPLODES_BY_FIRE,      GADGET_ID_NONE,
2972     &level.em_explodes_by_fire,
2973     NULL, NULL,
2974     "explodes with chain reaction",     "use R'n'D style explosion behaviour"
2975   },
2976   {
2977     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2978     GADGET_ID_USE_SPRING_BUG,           GADGET_ID_NONE,
2979     &level.use_spring_bug,
2980     NULL, NULL,
2981     "use spring pushing bug",           "use odd spring pushing behaviour"
2982   },
2983   {
2984     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2985     GADGET_ID_USE_TIME_ORB_BUG,         GADGET_ID_NONE,
2986     &level.use_time_orb_bug,
2987     NULL, NULL,
2988     "use time orb bug",                 "use odd time orb behaviour"
2989   },
2990   {
2991     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2992     GADGET_ID_RANDOM_BALL_CONTENT,      GADGET_ID_NONE,
2993     &level.ball_random,
2994     NULL, NULL,
2995     "create single random element",     "only create one element from content"
2996   },
2997   {
2998     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2999     GADGET_ID_INITIAL_BALL_STATE,       GADGET_ID_NONE,
3000     &level.ball_state_initial,
3001     NULL, NULL,
3002     "magic ball initially activated",   "activate magic ball after level start"
3003   },
3004   {
3005     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3006     GADGET_ID_GROW_INTO_DIGGABLE,       GADGET_ID_NONE,
3007     &level.grow_into_diggable,
3008     NULL, NULL,
3009     "can grow into anything diggable",  "grow into more than just sand"
3010   },
3011   {
3012     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3013     GADGET_ID_AUTO_EXIT_SOKOBAN,        GADGET_ID_NONE,
3014     &level.auto_exit_sokoban,
3015     NULL, NULL,
3016     "exit level if all fields solved",  "automatically finish Sokoban levels"
3017   },
3018   {
3019     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3020     GADGET_ID_CONTINUOUS_SNAPPING,      GADGET_ID_NONE,
3021     &level.continuous_snapping,
3022     NULL, NULL,
3023     "continuous snapping",              "use snapping without releasing key"
3024   },
3025   {
3026     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3027     GADGET_ID_BLOCK_SNAP_FIELD,         GADGET_ID_NONE,
3028     &level.block_snap_field,
3029     NULL, NULL,
3030     "block snapped field when snapping", "use snapping delay to show animation"
3031   },
3032   {
3033     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3034     GADGET_ID_BLOCK_LAST_FIELD,         GADGET_ID_NONE,
3035     &level.block_last_field,
3036     NULL, NULL,
3037     "block last field when moving",     "player blocks last field when moving"
3038   },
3039   {
3040     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3041     GADGET_ID_SP_BLOCK_LAST_FIELD,      GADGET_ID_NONE,
3042     &level.sp_block_last_field,
3043     NULL, NULL,
3044     "block last field when moving",     "player blocks last field when moving"
3045   },
3046   {
3047     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3048     GADGET_ID_INSTANT_RELOCATION,       GADGET_ID_NONE,
3049     &level.instant_relocation,
3050     NULL, NULL,
3051     "no scrolling when relocating",     "player gets relocated without delay"
3052   },
3053   {
3054     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3055     GADGET_ID_SHIFTED_RELOCATION,       GADGET_ID_NONE,
3056     &level.shifted_relocation,
3057     NULL, NULL,
3058     "no centering when relocating",     "level not centered after relocation"
3059   },
3060   {
3061     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3062     GADGET_ID_LAZY_RELOCATION,          GADGET_ID_NONE,
3063     &level.lazy_relocation,
3064     NULL, NULL,
3065     "only redraw off-screen relocation","no redraw if relocation target visible"
3066   },
3067   {
3068     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3069     GADGET_ID_USE_START_ELEMENT,        GADGET_ID_NONE,
3070     &level.use_start_element[0],
3071     NULL, NULL,
3072     "use level start element:",        "start level at this element's position"
3073   },
3074   {
3075     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3076     GADGET_ID_USE_ARTWORK_ELEMENT,      GADGET_ID_NONE,
3077     &level.use_artwork_element[0],
3078     NULL, NULL,
3079     "use artwork from element:",        "use player artwork from other element"
3080   },
3081   {
3082     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
3083     GADGET_ID_USE_EXPLOSION_ELEMENT,    GADGET_ID_NONE,
3084     &level.use_explosion_element[0],
3085     NULL, NULL,
3086     "use explosion from element:",      "use explosion properties from element"
3087   },
3088   {
3089     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3090     GADGET_ID_INITIAL_GRAVITY,          GADGET_ID_NONE,
3091     &level.initial_player_gravity[0],
3092     NULL, NULL,
3093     "use initial gravity",              "set initial player gravity"
3094   },
3095   {
3096     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3097     GADGET_ID_USE_INITIAL_INVENTORY,    GADGET_ID_NONE,
3098     &level.use_initial_inventory[0],
3099     NULL, NULL,
3100     "use initial inventory:",           "use collected elements on level start"
3101   },
3102   {
3103     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
3104     GADGET_ID_CAN_PASS_TO_WALKABLE,     GADGET_ID_NONE,
3105     &level.can_pass_to_walkable,
3106     NULL, NULL,
3107     "can pass to walkable element",     "player can pass to empty or walkable"
3108   },
3109   {
3110     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3111     GADGET_ID_CAN_FALL_INTO_ACID,       GADGET_ID_NONE,
3112     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3113     NULL, NULL,
3114     "can fall into acid (with gravity)","player can fall into acid pool"
3115   },
3116   {
3117     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3118     GADGET_ID_CAN_MOVE_INTO_ACID,       GADGET_ID_NONE,
3119     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3120     NULL, NULL,
3121     "can move into acid",               "element can move into acid pool"
3122   },
3123   {
3124     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3125     GADGET_ID_DONT_COLLIDE_WITH,        GADGET_ID_NONE,
3126     &custom_element_properties[EP_DONT_COLLIDE_WITH],
3127     NULL, NULL,
3128     "deadly when colliding with",       "element is deadly when hitting player"
3129   },
3130   {
3131     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3132     GADGET_ID_ENVELOPE_AUTOWRAP,        GADGET_ID_NONE,
3133     &level.envelope[0].autowrap,
3134     NULL, NULL,
3135     "auto-wrap",                        "automatically wrap envelope text"
3136   },
3137   {
3138     -1,                                 ED_ELEMENT_SETTINGS_YPOS(1),
3139     GADGET_ID_ENVELOPE_CENTERED,        GADGET_ID_ENVELOPE_AUTOWRAP,
3140     &level.envelope[0].centered,
3141     NULL, " ",
3142     "centered",                         "automatically center envelope text"
3143   },
3144   {
3145     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3146     GADGET_ID_MM_LASER_RED,             GADGET_ID_NONE,
3147     &level.mm_laser_red,
3148     "choose color components for laser:", NULL,
3149     "red",                              "use red color components in laser"
3150   },
3151   {
3152     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3153     GADGET_ID_MM_LASER_GREEN,           GADGET_ID_NONE,
3154     &level.mm_laser_green,
3155     NULL, NULL,
3156     "green",                            "use green color components in laser"
3157   },
3158   {
3159     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3160     GADGET_ID_MM_LASER_BLUE,            GADGET_ID_NONE,
3161     &level.mm_laser_blue,
3162     NULL, NULL,
3163     "blue",                             "use blue color components in laser"
3164   },
3165   {
3166     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3167     GADGET_ID_DF_LASER_RED,             GADGET_ID_NONE,
3168     &level.df_laser_red,
3169     "choose color components for laser:", NULL,
3170     "red",                              "use red color components in laser"
3171   },
3172   {
3173     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3174     GADGET_ID_DF_LASER_GREEN,           GADGET_ID_NONE,
3175     &level.df_laser_green,
3176     NULL, NULL,
3177     "green",                            "use green color components in laser"
3178   },
3179   {
3180     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3181     GADGET_ID_DF_LASER_BLUE,            GADGET_ID_NONE,
3182     &level.df_laser_blue,
3183     NULL, NULL,
3184     "blue",                             "use blue color components in laser"
3185   },
3186
3187   /* ---------- element settings: configure 1 (custom elements) ----------- */
3188
3189   {
3190     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3191     GADGET_ID_CUSTOM_USE_GRAPHIC,       GADGET_ID_NONE,
3192     &custom_element.use_gfx_element,
3193     NULL, NULL,
3194     "use graphic of element:",          "use existing element graphic"
3195   },
3196   {
3197     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3198     GADGET_ID_CUSTOM_USE_TEMPLATE_1,    GADGET_ID_NONE,
3199     &level.use_custom_template,
3200     NULL, NULL,
3201     "use template",                     "use template for custom properties"
3202   },
3203   {
3204     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3205     GADGET_ID_CUSTOM_ACCESSIBLE,        GADGET_ID_NONE,
3206     &custom_element_properties[EP_ACCESSIBLE],
3207     NULL, NULL,
3208     NULL,                               "player can walk to or pass this field"
3209   },
3210   {
3211     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3212     GADGET_ID_CUSTOM_GRAV_REACHABLE,    GADGET_ID_NONE,
3213     &custom_element_properties[EP_GRAVITY_REACHABLE],
3214     NULL, NULL,
3215     "reachable despite gravity",        "player can walk/dig despite gravity"
3216   },
3217   {
3218     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3219     GADGET_ID_CUSTOM_USE_LAST_VALUE,    GADGET_ID_NONE,
3220     &custom_element.use_last_ce_value,
3221     NULL, NULL,
3222     "use last CE value after change",   "use last CE value after change"
3223   },
3224   {
3225     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3226     GADGET_ID_CUSTOM_WALK_TO_OBJECT,    GADGET_ID_NONE,
3227     &custom_element_properties[EP_WALK_TO_OBJECT],
3228     NULL, NULL,
3229     NULL,                               "player can dig/collect/push element"
3230   },
3231   {
3232     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3233     GADGET_ID_CUSTOM_INDESTRUCTIBLE,    GADGET_ID_NONE,
3234     &custom_element_properties[EP_INDESTRUCTIBLE],
3235     NULL, NULL,
3236     "indestructible",                   "element is indestructible"
3237   },
3238
3239   /* ---------- element settings: configure 2 (custom elements) ----------- */
3240
3241   {
3242     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3243     GADGET_ID_CUSTOM_CAN_MOVE,          GADGET_ID_NONE,
3244     &custom_element_properties[EP_CAN_MOVE],
3245     NULL, NULL,
3246     NULL,                               "element can move with some pattern"
3247   },
3248   {
3249     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
3250     GADGET_ID_CUSTOM_CAN_FALL,          GADGET_ID_NONE,
3251     &custom_element_properties[EP_CAN_FALL],
3252     NULL, NULL,
3253     "can fall",                         "element can fall down"
3254   },
3255   {
3256     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
3257     GADGET_ID_CUSTOM_CAN_SMASH,         GADGET_ID_CUSTOM_CAN_FALL,
3258     &custom_element_properties[EP_CAN_SMASH],
3259     NULL, " ",
3260     NULL,                               "element can smash other elements"
3261   },
3262   {
3263     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3264     GADGET_ID_CUSTOM_SLIPPERY,          GADGET_ID_NONE,
3265     &custom_element_properties[EP_SLIPPERY],
3266     NULL, NULL,
3267     NULL,                               "other elements can fall down from it"
3268   },
3269   {
3270     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3271     GADGET_ID_CUSTOM_DEADLY,            GADGET_ID_NONE,
3272     &custom_element_properties[EP_DEADLY],
3273     NULL, NULL,
3274     NULL,                               "element can kill the player"
3275   },
3276   {
3277     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3278     GADGET_ID_CUSTOM_CAN_EXPLODE,       GADGET_ID_NONE,
3279     &custom_element_properties[EP_CAN_EXPLODE],
3280     NULL, NULL,
3281     NULL,                               "element can explode"
3282   },
3283   {
3284     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(11),
3285     GADGET_ID_CUSTOM_EXPLODE_FIRE,      GADGET_ID_NONE,
3286     &custom_element_properties[EP_EXPLODES_BY_FIRE],
3287     NULL, NULL,
3288     "by fire",                          "element can explode by fire/explosion"
3289   },
3290   {
3291     -1,                                 ED_ELEMENT_SETTINGS_YPOS(11),
3292     GADGET_ID_CUSTOM_EXPLODE_SMASH,     GADGET_ID_CUSTOM_EXPLODE_FIRE,
3293     &custom_element_properties[EP_EXPLODES_SMASHED],
3294     NULL, " ",
3295     "smashed",                          "element can explode when smashed"
3296   },
3297   {
3298     -1,                                 ED_ELEMENT_SETTINGS_YPOS(11),
3299     GADGET_ID_CUSTOM_EXPLODE_IMPACT,    GADGET_ID_CUSTOM_EXPLODE_SMASH,
3300     &custom_element_properties[EP_EXPLODES_IMPACT],
3301     NULL, " ",
3302     "impact",                           "element can explode on impact"
3303   },
3304
3305   /* ---------- element settings: advanced (custom elements) --------------- */
3306
3307   {
3308     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3309     GADGET_ID_CUSTOM_CAN_CHANGE,        GADGET_ID_NONE,
3310     &custom_element_change.can_change,
3311     NULL, NULL,
3312     "element changes to:",              "change element on specified condition"
3313   },
3314   {
3315     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
3316     GADGET_ID_CHANGE_DELAY,             GADGET_ID_NONE,
3317     &custom_element_change_events[CE_DELAY],
3318     NULL, NULL,
3319     NULL,                               "element changes after delay"
3320   },
3321   {
3322     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
3323     GADGET_ID_CHANGE_BY_DIRECT_ACT,     GADGET_ID_NONE,
3324     &custom_element_change_events[CE_BY_DIRECT_ACTION],
3325     NULL, NULL,
3326     NULL,                               "element changes by direct action"
3327   },
3328   {
3329     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
3330     GADGET_ID_CHANGE_BY_OTHER_ACT,      GADGET_ID_NONE,
3331     &custom_element_change_events[CE_BY_OTHER_ACTION],
3332     NULL, NULL,
3333     NULL,                               "element changes by other element"
3334   },
3335   {
3336     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
3337     GADGET_ID_CHANGE_USE_EXPLOSION,     GADGET_ID_NONE,
3338     &custom_element_change.explode,
3339     NULL, NULL,
3340     "explode instead of change",        "element explodes instead of change"
3341   },
3342   {
3343     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
3344     GADGET_ID_CHANGE_USE_CONTENT,       GADGET_ID_NONE,
3345     &custom_element_change.use_target_content,
3346     NULL, NULL,
3347     "use extended change target:",      "element changes to more elements"
3348   },
3349   {
3350     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(11),
3351     GADGET_ID_CHANGE_ONLY_COMPLETE,     GADGET_ID_NONE,
3352     &custom_element_change.only_if_complete,
3353     NULL, NULL,
3354     "replace all or nothing",           "only replace when all can be changed"
3355   },
3356   {
3357     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(12),
3358     GADGET_ID_CHANGE_USE_RANDOM,        GADGET_ID_NONE,
3359     &custom_element_change.use_random_replace,
3360     NULL, NULL,
3361     NULL,                               "use percentage for random replace"
3362   },
3363   {
3364     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3365     GADGET_ID_CHANGE_HAS_ACTION,        GADGET_ID_NONE,
3366     &custom_element_change.has_action,
3367     NULL, NULL,
3368     NULL,                               "execute action on specified condition"
3369   },
3370 };
3371
3372 static struct
3373 {
3374   int x, y;
3375   int xoffset, yoffset;
3376   int gadget_id;
3377   int gadget_id_align;
3378   int *value;
3379   int area_xsize, area_ysize;
3380   char *text_left, *text_right, *text_below, *infotext;
3381 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
3382 {
3383   /* ---------- level playfield content ------------------------------------ */
3384
3385   {
3386     0,                                  0,
3387     0,                                  0,
3388     GADGET_ID_DRAWING_LEVEL,            GADGET_ID_NONE,
3389     NULL,
3390     -1, -1,     /* these values are not constant, but can change at runtime */
3391     NULL, NULL, NULL,                   NULL
3392   },
3393
3394   /* ---------- yam yam content -------------------------------------------- */
3395
3396   {
3397     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3398     ED_AREA_YAMYAM_CONTENT_XOFF(0),     ED_AREA_YAMYAM_CONTENT_YOFF(0),
3399     GADGET_ID_YAMYAM_CONTENT_0,         GADGET_ID_NONE,
3400     &level.yamyam_content[0].e[0][0],   3, 3,
3401     NULL, NULL, "1",                    NULL
3402   },
3403   {
3404     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3405     ED_AREA_YAMYAM_CONTENT_XOFF(1),     ED_AREA_YAMYAM_CONTENT_YOFF(1),
3406     GADGET_ID_YAMYAM_CONTENT_1,         GADGET_ID_NONE,
3407     &level.yamyam_content[1].e[0][0],   3, 3,
3408     NULL, NULL, "2",                    NULL
3409   },
3410   {
3411     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3412     ED_AREA_YAMYAM_CONTENT_XOFF(2),     ED_AREA_YAMYAM_CONTENT_YOFF(2),
3413     GADGET_ID_YAMYAM_CONTENT_2,         GADGET_ID_NONE,
3414     &level.yamyam_content[2].e[0][0],   3, 3,
3415     NULL, NULL, "3",                    NULL
3416   },
3417   {
3418     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3419     ED_AREA_YAMYAM_CONTENT_XOFF(3),     ED_AREA_YAMYAM_CONTENT_YOFF(3),
3420     GADGET_ID_YAMYAM_CONTENT_3,         GADGET_ID_NONE,
3421     &level.yamyam_content[3].e[0][0],   3, 3,
3422     NULL, NULL, "4",                    NULL
3423   },
3424   {
3425     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3426     ED_AREA_YAMYAM_CONTENT_XOFF(4),     ED_AREA_YAMYAM_CONTENT_YOFF(4),
3427     GADGET_ID_YAMYAM_CONTENT_4,         GADGET_ID_NONE,
3428     &level.yamyam_content[4].e[0][0],   3, 3,
3429     NULL, NULL, "5",                    NULL
3430   },
3431   {
3432     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3433     ED_AREA_YAMYAM_CONTENT_XOFF(5),     ED_AREA_YAMYAM_CONTENT_YOFF(5),
3434     GADGET_ID_YAMYAM_CONTENT_5,         GADGET_ID_NONE,
3435     &level.yamyam_content[5].e[0][0],   3, 3,
3436     NULL, NULL, "6",                    NULL
3437   },
3438   {
3439     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3440     ED_AREA_YAMYAM_CONTENT_XOFF(6),     ED_AREA_YAMYAM_CONTENT_YOFF(6),
3441     GADGET_ID_YAMYAM_CONTENT_6,         GADGET_ID_NONE,
3442     &level.yamyam_content[6].e[0][0],   3, 3,
3443     NULL, NULL, "7",                    NULL
3444   },
3445   {
3446     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3447     ED_AREA_YAMYAM_CONTENT_XOFF(7),     ED_AREA_YAMYAM_CONTENT_YOFF(7),
3448     GADGET_ID_YAMYAM_CONTENT_7,         GADGET_ID_NONE,
3449     &level.yamyam_content[7].e[0][0],   3, 3,
3450     NULL, NULL, "8",                    NULL
3451   },
3452
3453   /* ---------- magic ball content ----------------------------------------- */
3454
3455   {
3456     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3457     ED_AREA_MAGIC_BALL_CONTENT_XOFF(0), ED_AREA_MAGIC_BALL_CONTENT_YOFF(0),
3458     GADGET_ID_MAGIC_BALL_CONTENT_0,     GADGET_ID_NONE,
3459     &level.ball_content[0].e[0][0],     3, 3,
3460     NULL, NULL, "1",                    NULL
3461   },
3462   {
3463     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3464     ED_AREA_MAGIC_BALL_CONTENT_XOFF(1), ED_AREA_MAGIC_BALL_CONTENT_YOFF(1),
3465     GADGET_ID_MAGIC_BALL_CONTENT_1,     GADGET_ID_NONE,
3466     &level.ball_content[1].e[0][0],     3, 3,
3467     NULL, NULL, "2",                    NULL
3468   },
3469   {
3470     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3471     ED_AREA_MAGIC_BALL_CONTENT_XOFF(2), ED_AREA_MAGIC_BALL_CONTENT_YOFF(2),
3472     GADGET_ID_MAGIC_BALL_CONTENT_2,     GADGET_ID_NONE,
3473     &level.ball_content[2].e[0][0],     3, 3,
3474     NULL, NULL, "3",                    NULL
3475   },
3476   {
3477     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3478     ED_AREA_MAGIC_BALL_CONTENT_XOFF(3), ED_AREA_MAGIC_BALL_CONTENT_YOFF(3),
3479     GADGET_ID_MAGIC_BALL_CONTENT_3,     GADGET_ID_NONE,
3480     &level.ball_content[3].e[0][0],     3, 3,
3481     NULL, NULL, "4",                    NULL
3482   },
3483   {
3484     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3485     ED_AREA_MAGIC_BALL_CONTENT_XOFF(4), ED_AREA_MAGIC_BALL_CONTENT_YOFF(4),
3486     GADGET_ID_MAGIC_BALL_CONTENT_4,     GADGET_ID_NONE,
3487     &level.ball_content[4].e[0][0],     3, 3,
3488     NULL, NULL, "5",                    NULL
3489   },
3490   {
3491     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3492     ED_AREA_MAGIC_BALL_CONTENT_XOFF(5), ED_AREA_MAGIC_BALL_CONTENT_YOFF(5),
3493     GADGET_ID_MAGIC_BALL_CONTENT_5,     GADGET_ID_NONE,
3494     &level.ball_content[5].e[0][0],     3, 3,
3495     NULL, NULL, "6",                    NULL
3496   },
3497   {
3498     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3499     ED_AREA_MAGIC_BALL_CONTENT_XOFF(6), ED_AREA_MAGIC_BALL_CONTENT_YOFF(6),
3500     GADGET_ID_MAGIC_BALL_CONTENT_6,     GADGET_ID_NONE,
3501     &level.ball_content[6].e[0][0],     3, 3,
3502     NULL, NULL, "7",                    NULL
3503   },
3504   {
3505     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3506     ED_AREA_MAGIC_BALL_CONTENT_XOFF(7), ED_AREA_MAGIC_BALL_CONTENT_YOFF(7),
3507     GADGET_ID_MAGIC_BALL_CONTENT_7,     GADGET_ID_NONE,
3508     &level.ball_content[7].e[0][0],     3, 3,
3509     NULL, NULL, "8",                    NULL
3510   },
3511
3512   /* ---------- android content -------------------------------------------- */
3513
3514   {
3515     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(5),
3516     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3517     GADGET_ID_ANDROID_CONTENT,          GADGET_ID_NONE,
3518     &level.android_clone_element[0],    MAX_ANDROID_ELEMENTS, 1,
3519     "elements:", NULL, NULL,            "elements android can clone"
3520   },
3521
3522   /* ---------- amoeba content --------------------------------------------- */
3523
3524   {
3525     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(3),
3526     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3527     GADGET_ID_AMOEBA_CONTENT,           GADGET_ID_NONE,
3528     &level.amoeba_content,              1, 1,
3529     "content:", NULL, NULL,             "amoeba content"
3530   },
3531
3532   /* ---------- level start element ---------------------------------------- */
3533
3534   {
3535     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(10),
3536     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3537     GADGET_ID_START_ELEMENT,            GADGET_ID_USE_START_ELEMENT,
3538     &level.start_element[0],            1, 1,
3539     NULL, NULL, NULL,                   "level start element"
3540   },
3541
3542   /* ---------- player artwork element ------------------------------------- */
3543
3544   {
3545     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(11),
3546     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3547     GADGET_ID_ARTWORK_ELEMENT,          GADGET_ID_USE_ARTWORK_ELEMENT,
3548     &level.artwork_element[0],          1, 1,
3549     NULL, NULL, NULL,                   "element for player artwork"
3550   },
3551
3552   /* ---------- player explosion element ----------------------------------- */
3553
3554   {
3555     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(12),
3556     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3557     GADGET_ID_EXPLOSION_ELEMENT,        GADGET_ID_USE_EXPLOSION_ELEMENT,
3558     &level.explosion_element[0],        1, 1,
3559     NULL, NULL, NULL,                   "element for player explosion"
3560   },
3561
3562   /* ---------- player initial inventory ----------------------------------- */
3563
3564   {
3565     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3566     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3567     GADGET_ID_INVENTORY_CONTENT,        GADGET_ID_USE_INITIAL_INVENTORY,
3568     &level.initial_inventory_content[0][0], MAX_INITIAL_INVENTORY_SIZE, 1,
3569     NULL, NULL, NULL,                   "content for initial inventory"
3570   },
3571
3572   /* ---------- element settings: configure 1 (custom elements) ----------- */
3573
3574   /* ---------- custom graphic --------------------------------------------- */
3575
3576   {
3577     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3578     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3579     GADGET_ID_CUSTOM_GRAPHIC,           GADGET_ID_CUSTOM_USE_GRAPHIC,
3580     &custom_element.gfx_element_initial,1, 1,
3581     NULL, NULL, NULL,                   "custom graphic element"
3582   },
3583
3584   /* ---------- element settings: configure 2 (custom elements) ----------- */
3585
3586   /* ---------- custom content (when exploding) ---------------------------- */
3587
3588   {
3589     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(10),
3590     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
3591     GADGET_ID_CUSTOM_CONTENT,           GADGET_ID_NONE, /* align three rows */
3592     &custom_element.content.e[0][0],    3, 3,
3593     "content:", NULL, NULL,             NULL
3594   },
3595
3596   /* ---------- custom enter and leave element (when moving) --------------- */
3597
3598   {
3599     ED_AREA_1X1_SETTINGS_XPOS(1),       ED_AREA_1X1_SETTINGS_YPOS(3),
3600     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3601     GADGET_ID_CUSTOM_MOVE_ENTER,        GADGET_ID_NONE,
3602     &custom_element.move_enter_element, 1, 1,
3603     "can dig:", " ", NULL,              "element that can be digged/collected"
3604   },
3605   {
3606     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(3),
3607     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3608     GADGET_ID_CUSTOM_MOVE_LEAVE,        GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
3609     &custom_element.move_leave_element, 1, 1,
3610     NULL, NULL, NULL,                   "element that will be left behind"
3611   },
3612
3613   /* ---------- element settings: advanced (custom elements) --------------- */
3614
3615   /* ---------- custom change target --------------------------------------- */
3616
3617   {
3618     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3619     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3620     GADGET_ID_CUSTOM_CHANGE_TARGET,     GADGET_ID_CUSTOM_CAN_CHANGE,
3621     &custom_element_change.target_element, 1, 1,
3622     NULL, "after/when:", NULL,          "new target element after change"
3623   },
3624
3625   /* ---------- custom change content (extended change target) ------------- */
3626
3627   {
3628     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(9),
3629     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
3630     GADGET_ID_CUSTOM_CHANGE_CONTENT,    GADGET_ID_NONE, /* align three rows */
3631     &custom_element_change.target_content.e[0][0], 3, 3,
3632     NULL, NULL, NULL,                   "new extended elements after change"
3633   },
3634
3635   /* ---------- custom change trigger (element causing change) ------------- */
3636
3637   {
3638     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(5),
3639     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3640     GADGET_ID_CUSTOM_CHANGE_TRIGGER,    GADGET_ID_CHANGE_OTHER_ACTION,
3641     &custom_element_change.initial_trigger_element, 1, 1,
3642     NULL, NULL, NULL,                   "other element triggering change"
3643   },
3644
3645   /* ---------- custom change action (element used for action) ------------- */
3646
3647   {
3648     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(13),
3649     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3650     GADGET_ID_CUSTOM_CHANGE_ACTION,     GADGET_ID_ACTION_ARG,
3651     &custom_element_change.action_element, 1, 1,
3652     NULL, NULL, NULL,                   "element used as action parameter"
3653   },
3654
3655   /* ---------- group element content -------------------------------------- */
3656
3657   {
3658     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
3659     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3660     GADGET_ID_GROUP_CONTENT,            GADGET_ID_NONE,
3661     &group_element_info.element[0],     MAX_ELEMENTS_IN_GROUP, 1,
3662     "content:", NULL, NULL,             NULL
3663   },
3664
3665   /* ---------- random background (for random painting) -------------------- */
3666
3667   {
3668     -1,                                 ED_AREA_1X1_LSETTINGS_YPOS(1),
3669     0,                                  ED_AREA_1X1_LSETTINGS_YOFF,
3670     GADGET_ID_RANDOM_BACKGROUND,        GADGET_ID_RANDOM_RESTRICTED,
3671     &random_placement_background_element, 1, 1,
3672     NULL, NULL, NULL,                   "random placement background"
3673   },
3674 };
3675
3676
3677 /*
3678   -----------------------------------------------------------------------------
3679   some internally used variables
3680   -----------------------------------------------------------------------------
3681 */
3682
3683 /* maximal size of level editor drawing area */
3684 static int MAX_ED_FIELDX, MAX_ED_FIELDY;
3685
3686 /* actual size of level editor drawing area */
3687 static int ed_fieldx, ed_fieldy;
3688
3689 /* actual position of level editor drawing area in level playfield */
3690 static int level_xpos = -1, level_ypos = -1;
3691
3692 /* actual tile size used to display playfield drawing area */
3693 static int ed_tilesize = DEFAULT_EDITOR_TILESIZE;
3694
3695 #define IN_ED_FIELD(x,y)        IN_FIELD(x, y, ed_fieldx, ed_fieldy)
3696
3697 /* drawing elements on the three mouse buttons */
3698 static int new_element1 = EL_WALL;
3699 static int new_element2 = EL_EMPTY;
3700 static int new_element3 = EL_SAND;
3701
3702 #define IS_VALID_BUTTON(button) (button >= 1 && button <= 3)
3703 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
3704                                 (button) == 2 ? new_element2 : \
3705                                 (button) == 3 ? new_element3 : EL_EMPTY)
3706
3707 #define BUTTON_TILE_SIZE(x)     ((x) >= TILESIZE ? TILESIZE : MINI_TILESIZE)
3708
3709 static int use_permanent_palette = TRUE;
3710
3711 #define PX              (use_permanent_palette ? DX : SX)
3712 #define PY              (use_permanent_palette ? DY : SY)
3713 #define PXSIZE          (use_permanent_palette ? DXSIZE : SXSIZE)
3714 #define PYSIZE          (use_permanent_palette ? DYSIZE : SYSIZE)
3715
3716 /* forward declaration for internal use */
3717 static void ModifyEditorCounterValue(int, int);
3718 static void ModifyEditorCounterLimits(int, int, int);
3719 static void ModifyEditorSelectboxValue(int, int);
3720 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
3721 static void ModifyEditorDrawingArea(int, int, int);
3722 static void ModifyEditorElementList();
3723 static void AdjustElementListScrollbar();
3724 static void RedrawDrawingElements();
3725 static void DrawDrawingWindow();
3726 static void DrawLevelInfoWindow();
3727 static void DrawPropertiesWindow();
3728 static void DrawPaletteWindow();
3729 static void UpdateCustomElementGraphicGadgets();
3730 static boolean checkPropertiesConfig(int);
3731 static void SetAutomaticNumberOfGemsNeeded();
3732 static void ClearEditorGadgetInfoText();
3733 static void CopyLevelToUndoBuffer(int);
3734 static void HandleDrawingAreas(struct GadgetInfo *);
3735 static void HandleCounterButtons(struct GadgetInfo *);
3736 static void HandleTextInputGadgets(struct GadgetInfo *);
3737 static void HandleTextAreaGadgets(struct GadgetInfo *);
3738 static void HandleSelectboxGadgets(struct GadgetInfo *);
3739 static void HandleTextbuttonGadgets(struct GadgetInfo *);
3740 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
3741 static void HandleRadiobuttons(struct GadgetInfo *);
3742 static void HandleCheckbuttons(struct GadgetInfo *);
3743 static void HandleControlButtons(struct GadgetInfo *);
3744 static void HandleDrawingAreaInfo(struct GadgetInfo *);
3745 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
3746 static boolean AskToCopyAndModifyLevelTemplate();
3747 static boolean getDrawModeHiRes();
3748
3749 static int num_editor_gadgets = 0;      /* dynamically determined */
3750
3751 static struct GadgetInfo **level_editor_gadget = NULL;
3752 static int *right_gadget_border = NULL;
3753
3754 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
3755 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
3756 static boolean draw_with_brush = FALSE;
3757 static int properties_element = 0;
3758
3759 static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3760 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3761 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3762 static int undo_buffer_position = 0;
3763 static int undo_buffer_steps = 0;
3764 static int redo_buffer_steps = 0;
3765
3766 static int edit_mode;
3767 static int edit_mode_levelinfo;
3768 static int edit_mode_properties;
3769
3770 static int element_shift = 0;
3771
3772 static int editor_el_players[] =
3773 {
3774   EL_PLAYER_1,
3775   EL_PLAYER_2,
3776   EL_PLAYER_3,
3777   EL_PLAYER_4
3778 };
3779 static int *editor_el_players_ptr = editor_el_players;
3780 static int num_editor_el_players = SIZEOF_ARRAY_INT(editor_el_players);
3781
3782 static int editor_hl_boulderdash[] =
3783 {
3784   EL_INTERNAL_CASCADE_BD_ACTIVE,
3785   EL_CHAR('B'),
3786   EL_CHAR('D'),
3787   EL_EMPTY,
3788 };
3789
3790 static int editor_el_boulderdash[] =
3791 {
3792   EL_EMPTY,
3793   EL_SAND,
3794   EL_BD_ROCK,
3795   EL_BD_DIAMOND,
3796
3797   EL_STEELWALL,
3798   EL_BD_WALL,
3799   EL_BD_EXPANDABLE_WALL,
3800   EL_BD_MAGIC_WALL,
3801
3802   EL_BD_AMOEBA,
3803   EL_BD_BUTTERFLY_UP,
3804   EL_BD_FIREFLY_UP,
3805   EL_EXIT_CLOSED,
3806
3807   EL_BD_BUTTERFLY_LEFT,
3808   EL_BD_FIREFLY_LEFT,
3809   EL_BD_BUTTERFLY_RIGHT,
3810   EL_BD_FIREFLY_RIGHT,
3811
3812   EL_EMPTY,
3813   EL_BD_BUTTERFLY_DOWN,
3814   EL_BD_FIREFLY_DOWN,
3815   EL_EXIT_OPEN,
3816 };
3817 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
3818 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
3819 static int num_editor_hl_boulderdash = SIZEOF_ARRAY_INT(editor_hl_boulderdash);
3820 static int num_editor_el_boulderdash = SIZEOF_ARRAY_INT(editor_el_boulderdash);
3821
3822 static int editor_hl_emerald_mine[] =
3823 {
3824   EL_INTERNAL_CASCADE_EM_ACTIVE,
3825   EL_CHAR('E'),
3826   EL_CHAR('M'),
3827   EL_EMPTY,
3828 };
3829
3830 static int editor_el_emerald_mine[] =
3831 {
3832   EL_SAND,
3833   EL_ROCK,
3834   EL_QUICKSAND_EMPTY,
3835   EL_QUICKSAND_FULL,
3836
3837   EL_STEELWALL,
3838   EL_WALL,
3839   EL_WALL_SLIPPERY,
3840   EL_MAGIC_WALL,
3841
3842   EL_EMERALD,
3843   EL_DIAMOND,
3844   EL_NUT,
3845   EL_BOMB,
3846
3847   EL_WALL_EMERALD,
3848   EL_WALL_DIAMOND,
3849   EL_DYNAMITE,
3850   EL_DYNAMITE_ACTIVE,
3851
3852   EL_YAMYAM,
3853   EL_BUG_UP,
3854   EL_SPACESHIP_UP,
3855   EL_ROBOT,
3856
3857   EL_BUG_LEFT,
3858   EL_SPACESHIP_LEFT,
3859   EL_BUG_RIGHT,
3860   EL_SPACESHIP_RIGHT,
3861
3862   EL_ROBOT_WHEEL,
3863   EL_BUG_DOWN,
3864   EL_SPACESHIP_DOWN,
3865   EL_INVISIBLE_WALL,
3866
3867   EL_ACID_POOL_TOPLEFT,
3868   EL_ACID,
3869   EL_ACID_POOL_TOPRIGHT,
3870   EL_AMOEBA_DROP,
3871
3872   EL_ACID_POOL_BOTTOMLEFT,
3873   EL_ACID_POOL_BOTTOM,
3874   EL_ACID_POOL_BOTTOMRIGHT,
3875   EL_AMOEBA_WET,
3876
3877   EL_EM_KEY_1,
3878   EL_EM_KEY_2,
3879   EL_EM_KEY_3,
3880   EL_EM_KEY_4,
3881
3882   EL_EM_GATE_1,
3883   EL_EM_GATE_2,
3884   EL_EM_GATE_3,
3885   EL_EM_GATE_4,
3886
3887   EL_EM_GATE_1_GRAY,
3888   EL_EM_GATE_2_GRAY,
3889   EL_EM_GATE_3_GRAY,
3890   EL_EM_GATE_4_GRAY,
3891
3892   EL_EM_EXIT_CLOSED,
3893   EL_EM_EXIT_OPEN,
3894   EL_EM_STEEL_EXIT_CLOSED,
3895   EL_EM_STEEL_EXIT_OPEN,
3896 };
3897 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
3898 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
3899 static int num_editor_hl_emerald_mine=SIZEOF_ARRAY_INT(editor_hl_emerald_mine);
3900 static int num_editor_el_emerald_mine=SIZEOF_ARRAY_INT(editor_el_emerald_mine);
3901
3902 static int editor_hl_emerald_mine_club[] =
3903 {
3904   EL_INTERNAL_CASCADE_EMC_ACTIVE,
3905   EL_CHAR('E'),
3906   EL_CHAR('M'),
3907   EL_CHAR('C'),
3908 };
3909
3910 static int editor_el_emerald_mine_club[] =
3911 {
3912   EL_EMC_KEY_5,
3913   EL_EMC_KEY_6,
3914   EL_EMC_KEY_7,
3915   EL_EMC_KEY_8,
3916
3917   EL_EMC_GATE_5,
3918   EL_EMC_GATE_6,
3919   EL_EMC_GATE_7,
3920   EL_EMC_GATE_8,
3921
3922   EL_EMC_GATE_5_GRAY,
3923   EL_EMC_GATE_6_GRAY,
3924   EL_EMC_GATE_7_GRAY,
3925   EL_EMC_GATE_8_GRAY,
3926
3927   EL_EMC_STEELWALL_1,
3928   EL_EMC_STEELWALL_2,
3929   EL_EMC_STEELWALL_3,
3930   EL_EMC_STEELWALL_4,
3931
3932   EL_EMC_WALL_13,
3933   EL_EMC_WALL_14,
3934   EL_EMC_WALL_15,
3935   EL_EMC_WALL_16,
3936
3937   EL_EMC_WALL_SLIPPERY_1,
3938   EL_EMC_WALL_SLIPPERY_2,
3939   EL_EMC_WALL_SLIPPERY_3,
3940   EL_EMC_WALL_SLIPPERY_4,
3941
3942   EL_EMC_WALL_1,
3943   EL_EMC_WALL_2,
3944   EL_EMC_WALL_3,
3945   EL_EMC_WALL_4,
3946
3947   EL_EMC_WALL_5,
3948   EL_EMC_WALL_6,
3949   EL_EMC_WALL_7,
3950   EL_EMC_WALL_8,
3951
3952   EL_EMC_WALL_9,
3953   EL_EMC_WALL_10,
3954   EL_EMC_WALL_11,
3955   EL_EMC_WALL_12,
3956
3957   EL_EMC_GRASS,
3958   EL_EMC_FAKE_GRASS,
3959   EL_EMC_PLANT,
3960   EL_EMC_DRIPPER,
3961
3962   EL_EMC_MAGIC_BALL,
3963   EL_EMC_MAGIC_BALL_SWITCH,
3964   EL_SPRING,
3965   EL_EMC_SPRING_BUMPER,
3966
3967   EL_EMC_LENSES,
3968   EL_EMC_MAGNIFIER,
3969   EL_EM_DYNAMITE,
3970   EL_EM_DYNAMITE_ACTIVE,
3971
3972   EL_BALLOON,
3973   EL_YAMYAM_UP,
3974   EL_BALLOON_SWITCH_UP,
3975   EL_BALLOON_SWITCH_ANY,
3976
3977   EL_YAMYAM_LEFT,
3978   EL_BALLOON_SWITCH_LEFT,
3979   EL_YAMYAM_RIGHT,
3980   EL_BALLOON_SWITCH_RIGHT,
3981
3982   EL_EMC_ANDROID,
3983   EL_YAMYAM_DOWN,
3984   EL_BALLOON_SWITCH_DOWN,
3985   EL_BALLOON_SWITCH_NONE,
3986 };
3987 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
3988 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
3989 static int num_editor_hl_emerald_mine_club=SIZEOF_ARRAY_INT(editor_hl_emerald_mine_club);
3990 static int num_editor_el_emerald_mine_club=SIZEOF_ARRAY_INT(editor_el_emerald_mine_club);
3991
3992 static int editor_hl_rnd[] =
3993 {
3994   EL_INTERNAL_CASCADE_RND_ACTIVE,
3995   EL_CHAR('R'),
3996   EL_CHAR('N'),
3997   EL_CHAR('D'),
3998 };
3999
4000 static int editor_el_rnd[] =
4001 {
4002   EL_KEY_1,
4003   EL_KEY_2,
4004   EL_KEY_3,
4005   EL_KEY_4,
4006
4007   EL_GATE_1,
4008   EL_GATE_2,
4009   EL_GATE_3,
4010   EL_GATE_4,
4011
4012   EL_GATE_1_GRAY,
4013   EL_GATE_2_GRAY,
4014   EL_GATE_3_GRAY,
4015   EL_GATE_4_GRAY,
4016
4017   EL_ARROW_LEFT,
4018   EL_ARROW_RIGHT,
4019   EL_ARROW_UP,
4020   EL_ARROW_DOWN,
4021
4022   EL_AMOEBA_DEAD,
4023   EL_AMOEBA_DRY,
4024   EL_AMOEBA_FULL,
4025   EL_GAME_OF_LIFE,
4026
4027   EL_EMERALD_YELLOW,
4028   EL_EMERALD_RED,
4029   EL_EMERALD_PURPLE,
4030   EL_BIOMAZE,
4031
4032   EL_WALL_EMERALD_YELLOW,
4033   EL_WALL_EMERALD_RED,
4034   EL_WALL_EMERALD_PURPLE,
4035   EL_WALL_BD_DIAMOND,
4036
4037   EL_SPEED_PILL,
4038   EL_PACMAN_UP,
4039   EL_TIME_ORB_FULL,
4040   EL_TIME_ORB_EMPTY,
4041
4042   EL_PACMAN_LEFT,
4043   EL_DARK_YAMYAM,
4044   EL_PACMAN_RIGHT,
4045   EL_EMPTY,
4046
4047   EL_BLACK_ORB,
4048   EL_PACMAN_DOWN,
4049   EL_LAMP,
4050   EL_LAMP_ACTIVE,
4051
4052   EL_DYNABOMB_INCREASE_NUMBER,
4053   EL_DYNABOMB_INCREASE_SIZE,
4054   EL_DYNABOMB_INCREASE_POWER,
4055   EL_STONEBLOCK,
4056
4057   EL_MOLE,
4058   EL_PENGUIN,
4059   EL_PIG,
4060   EL_DRAGON,
4061
4062   EL_BUG,
4063   EL_MOLE_UP,
4064   EL_BD_BUTTERFLY,
4065   EL_BD_FIREFLY,
4066
4067   EL_MOLE_LEFT,
4068   EL_SATELLITE,
4069   EL_MOLE_RIGHT,
4070   EL_PACMAN,
4071
4072   EL_SPACESHIP,
4073   EL_MOLE_DOWN,
4074   EL_INVISIBLE_STEELWALL,
4075   EL_INVISIBLE_WALL,
4076
4077   EL_EXPANDABLE_WALL,
4078   EL_EXPANDABLE_WALL_HORIZONTAL,
4079   EL_EXPANDABLE_WALL_VERTICAL,
4080   EL_EXPANDABLE_WALL_ANY,
4081 };
4082 static int *editor_hl_rnd_ptr = editor_hl_rnd;
4083 static int *editor_el_rnd_ptr = editor_el_rnd;
4084 static int num_editor_hl_rnd = SIZEOF_ARRAY_INT(editor_hl_rnd);
4085 static int num_editor_el_rnd = SIZEOF_ARRAY_INT(editor_el_rnd);
4086
4087 static int editor_hl_sokoban[] =
4088 {
4089   EL_INTERNAL_CASCADE_SB_ACTIVE,
4090   EL_CHAR('S'),
4091   EL_CHAR('B'),
4092   EL_EMPTY,
4093 };
4094
4095 static int editor_el_sokoban[] =
4096 {
4097   EL_SOKOBAN_OBJECT,
4098   EL_SOKOBAN_FIELD_EMPTY,
4099   EL_SOKOBAN_FIELD_FULL,
4100   EL_SOKOBAN_FIELD_PLAYER,
4101 };
4102 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
4103 static int *editor_el_sokoban_ptr = editor_el_sokoban;
4104 static int num_editor_hl_sokoban = SIZEOF_ARRAY_INT(editor_hl_sokoban);
4105 static int num_editor_el_sokoban = SIZEOF_ARRAY_INT(editor_el_sokoban);
4106
4107 static int editor_hl_supaplex[] =
4108 {
4109   EL_INTERNAL_CASCADE_SP_ACTIVE,
4110   EL_CHAR('S'),
4111   EL_CHAR('P'),
4112   EL_EMPTY,
4113 };
4114
4115 static int editor_el_supaplex[] =
4116 {
4117   EL_SP_MURPHY,
4118   EL_EMPTY,
4119   EL_SP_BASE,
4120   EL_SP_BUGGY_BASE,
4121
4122   EL_SP_INFOTRON,
4123   EL_SP_ZONK,
4124   EL_SP_SNIKSNAK,
4125   EL_SP_ELECTRON,
4126
4127   EL_SP_DISK_RED,
4128   EL_SP_DISK_ORANGE,
4129   EL_SP_DISK_YELLOW,
4130   EL_SP_TERMINAL,
4131
4132   EL_SP_EXIT_CLOSED,
4133   EL_SP_PORT_HORIZONTAL,
4134   EL_SP_PORT_VERTICAL,
4135   EL_SP_PORT_ANY,
4136
4137   EL_SP_PORT_LEFT,
4138   EL_SP_PORT_RIGHT,
4139   EL_SP_PORT_UP,
4140   EL_SP_PORT_DOWN,
4141
4142   EL_SP_GRAVITY_PORT_LEFT,
4143   EL_SP_GRAVITY_PORT_RIGHT,
4144   EL_SP_GRAVITY_PORT_UP,
4145   EL_SP_GRAVITY_PORT_DOWN,
4146
4147   EL_SP_GRAVITY_ON_PORT_LEFT,
4148   EL_SP_GRAVITY_ON_PORT_RIGHT,
4149   EL_SP_GRAVITY_ON_PORT_UP,
4150   EL_SP_GRAVITY_ON_PORT_DOWN,
4151
4152   EL_SP_GRAVITY_OFF_PORT_LEFT,
4153   EL_SP_GRAVITY_OFF_PORT_RIGHT,
4154   EL_SP_GRAVITY_OFF_PORT_UP,
4155   EL_SP_GRAVITY_OFF_PORT_DOWN,
4156
4157   EL_SP_HARDWARE_GRAY,
4158   EL_SP_HARDWARE_GREEN,
4159   EL_SP_HARDWARE_BLUE,
4160   EL_SP_HARDWARE_RED,
4161
4162   EL_SP_HARDWARE_BASE_1,
4163   EL_SP_HARDWARE_BASE_2,
4164   EL_SP_HARDWARE_BASE_3,
4165   EL_SP_HARDWARE_BASE_4,
4166
4167   EL_SP_HARDWARE_BASE_5,
4168   EL_SP_HARDWARE_BASE_6,
4169   EL_SP_HARDWARE_YELLOW,
4170   EL_SP_CHIP_TOP,
4171
4172   EL_SP_CHIP_SINGLE,
4173   EL_SP_CHIP_LEFT,
4174   EL_SP_CHIP_RIGHT,
4175   EL_SP_CHIP_BOTTOM,
4176 };
4177 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
4178 static int *editor_el_supaplex_ptr = editor_el_supaplex;
4179 static int num_editor_hl_supaplex = SIZEOF_ARRAY_INT(editor_hl_supaplex);
4180 static int num_editor_el_supaplex = SIZEOF_ARRAY_INT(editor_el_supaplex);
4181
4182 static int editor_hl_diamond_caves[] =
4183 {
4184   EL_INTERNAL_CASCADE_DC_ACTIVE,
4185   EL_CHAR('D'),
4186   EL_CHAR('C'),
4187   EL_CHAR('2'),
4188 };
4189
4190 static int editor_el_diamond_caves[] =
4191 {
4192   EL_PEARL,
4193   EL_CRYSTAL,
4194   EL_WALL_PEARL,
4195   EL_WALL_CRYSTAL,
4196
4197   EL_CONVEYOR_BELT_1_LEFT,
4198   EL_CONVEYOR_BELT_1_MIDDLE,
4199   EL_CONVEYOR_BELT_1_RIGHT,
4200   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
4201
4202   EL_CONVEYOR_BELT_2_LEFT,
4203   EL_CONVEYOR_BELT_2_MIDDLE,
4204   EL_CONVEYOR_BELT_2_RIGHT,
4205   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
4206
4207   EL_CONVEYOR_BELT_3_LEFT,
4208   EL_CONVEYOR_BELT_3_MIDDLE,
4209   EL_CONVEYOR_BELT_3_RIGHT,
4210   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
4211
4212   EL_CONVEYOR_BELT_4_LEFT,
4213   EL_CONVEYOR_BELT_4_MIDDLE,
4214   EL_CONVEYOR_BELT_4_RIGHT,
4215   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
4216
4217   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
4218   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
4219   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
4220   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
4221
4222   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
4223   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
4224   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
4225   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
4226
4227   EL_TIMEGATE_CLOSED,
4228   EL_TIMEGATE_OPEN,
4229   EL_TIMEGATE_SWITCH,
4230   EL_DC_TIMEGATE_SWITCH,
4231
4232   EL_SWITCHGATE_CLOSED,
4233   EL_SWITCHGATE_OPEN,
4234   EL_SWITCHGATE_SWITCH_UP,
4235   EL_SWITCHGATE_SWITCH_DOWN,
4236
4237   EL_LIGHT_SWITCH,
4238   EL_LIGHT_SWITCH_ACTIVE,
4239   EL_DC_SWITCHGATE_SWITCH_UP,
4240   EL_DC_SWITCHGATE_SWITCH_DOWN,
4241
4242   EL_STEEL_EXIT_CLOSED,
4243   EL_STEEL_EXIT_OPEN,
4244   EL_STEELWALL_SLIPPERY,
4245   EL_INVISIBLE_SAND,
4246
4247   EL_QUICKSAND_FAST_EMPTY,
4248   EL_QUICKSAND_FAST_FULL,
4249   EL_LANDMINE,
4250   EL_DC_LANDMINE,
4251
4252   EL_SHIELD_NORMAL,
4253   EL_SHIELD_DEADLY,
4254   EL_EXTRA_TIME,
4255   EL_DC_MAGIC_WALL,
4256
4257   EL_ENVELOPE_1,
4258   EL_ENVELOPE_2,
4259   EL_ENVELOPE_3,
4260   EL_ENVELOPE_4,
4261
4262   EL_SIGN_RADIOACTIVITY,
4263   EL_SIGN_WHEELCHAIR,
4264   EL_SIGN_PARKING,
4265   EL_SIGN_NO_ENTRY,
4266
4267   EL_SIGN_GIVE_WAY,
4268   EL_SIGN_ENTRY_FORBIDDEN,
4269   EL_SIGN_EMERGENCY_EXIT,
4270   EL_SIGN_YIN_YANG,
4271
4272 #if 0
4273   EL_SIGN_SPERMS,
4274   EL_SIGN_BULLET,
4275   EL_SIGN_HEART,
4276   EL_SIGN_CROSS,
4277
4278   EL_SIGN_FRANKIE,
4279   EL_EMPTY,
4280   EL_EMPTY,
4281   EL_EMPTY,
4282
4283   EL_SPERMS,
4284   EL_BULLET,
4285   EL_HEART,
4286   EL_CROSS,
4287
4288   EL_FRANKIE,
4289   EL_EMPTY,
4290   EL_EMPTY,
4291   EL_EMPTY,
4292 #endif
4293
4294   EL_DC_STEELWALL_2_SINGLE,
4295   EL_DC_STEELWALL_2_TOP,
4296   EL_SIGN_EXCLAMATION,
4297   EL_SIGN_STOP,
4298
4299   EL_DC_STEELWALL_2_LEFT,
4300   EL_DC_STEELWALL_2_MIDDLE,
4301   EL_DC_STEELWALL_2_HORIZONTAL,
4302   EL_DC_STEELWALL_2_RIGHT,
4303
4304   EL_DC_STEELWALL_1_TOPLEFT,
4305   EL_DC_STEELWALL_2_VERTICAL,
4306   EL_DC_STEELWALL_1_TOPRIGHT,
4307   EL_DC_GATE_WHITE,
4308
4309   EL_DC_STEELWALL_1_VERTICAL,
4310   EL_DC_STEELWALL_2_BOTTOM,
4311   EL_DC_KEY_WHITE,
4312   EL_DC_GATE_WHITE_GRAY,
4313
4314   EL_DC_STEELWALL_1_BOTTOMLEFT,
4315   EL_DC_STEELWALL_1_HORIZONTAL,
4316   EL_DC_STEELWALL_1_BOTTOMRIGHT,
4317   EL_DC_GATE_FAKE_GRAY,
4318
4319   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
4320   EL_DC_STEELWALL_1_BOTTOM,
4321   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
4322   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
4323
4324   EL_DC_STEELWALL_1_RIGHT,
4325   EL_EMPTY,
4326   EL_DC_STEELWALL_1_LEFT,
4327   EL_EXPANDABLE_STEELWALL_VERTICAL,
4328
4329   EL_DC_STEELWALL_1_TOPRIGHT_2,
4330   EL_DC_STEELWALL_1_TOP,
4331   EL_DC_STEELWALL_1_TOPLEFT_2,
4332   EL_EXPANDABLE_STEELWALL_ANY,
4333 };
4334 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
4335 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
4336 static int num_editor_hl_diamond_caves = SIZEOF_ARRAY_INT(editor_hl_diamond_caves);
4337 static int num_editor_el_diamond_caves = SIZEOF_ARRAY_INT(editor_el_diamond_caves);
4338
4339 static int editor_hl_dx_boulderdash[] =
4340 {
4341   EL_INTERNAL_CASCADE_DX_ACTIVE,
4342   EL_CHAR('D'),
4343   EL_CHAR('X'),
4344   EL_EMPTY,
4345 };
4346
4347 static int editor_el_dx_boulderdash[] =
4348 {
4349   EL_EMPTY,
4350   EL_TUBE_RIGHT_DOWN,
4351   EL_TUBE_HORIZONTAL_DOWN,
4352   EL_TUBE_LEFT_DOWN,
4353
4354   EL_TUBE_HORIZONTAL,
4355   EL_TUBE_VERTICAL_RIGHT,
4356   EL_TUBE_ANY,
4357   EL_TUBE_VERTICAL_LEFT,
4358
4359   EL_TUBE_VERTICAL,
4360   EL_TUBE_RIGHT_UP,
4361   EL_TUBE_HORIZONTAL_UP,
4362   EL_TUBE_LEFT_UP,
4363
4364   EL_TRAP,
4365   EL_DX_SUPABOMB,
4366   EL_EMPTY,
4367   EL_EMPTY
4368 };
4369 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
4370 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
4371 static int num_editor_hl_dx_boulderdash = SIZEOF_ARRAY_INT(editor_hl_dx_boulderdash);
4372 static int num_editor_el_dx_boulderdash = SIZEOF_ARRAY_INT(editor_el_dx_boulderdash);
4373
4374 static int editor_hl_mirror_magic[] =
4375 {
4376   EL_INTERNAL_CASCADE_MM_ACTIVE,
4377   EL_CHAR('M'),
4378   EL_CHAR('M'),
4379   EL_EMPTY,
4380 };
4381
4382 static int editor_el_mirror_magic[] =
4383 {
4384   EL_MM_MCDUFFIN_RIGHT,
4385   EL_MM_MCDUFFIN_UP,
4386   EL_MM_MCDUFFIN_LEFT,
4387   EL_MM_MCDUFFIN_DOWN,
4388
4389   EL_MM_MIRROR_START,
4390   EL_MM_MIRROR_FIXED_START,
4391   EL_MM_POLARISATOR_START,
4392   EL_MM_POLARISATOR_CROSS_START,
4393
4394   EL_MM_BEAMER_RED_START,
4395   EL_MM_BEAMER_YELLOW_START,
4396   EL_MM_BEAMER_GREEN_START,
4397   EL_MM_BEAMER_BLUE_START,
4398
4399   EL_MM_PRISM,
4400   EL_MM_FUSE_ACTIVE,
4401   EL_MM_PACMAN_RIGHT,
4402   EL_MM_EXIT_CLOSED,
4403
4404   EL_MM_KETTLE,
4405   EL_MM_BOMB,
4406   EL_MM_KEY,
4407   EL_MM_FUEL_FULL,
4408
4409   EL_MM_LIGHTBULB,
4410   EL_MM_LIGHTBULB_ACTIVE,
4411   EL_MM_GRAY_BALL,
4412   EL_MM_LIGHTBALL,
4413
4414   EL_MM_STEEL_WALL,
4415   EL_MM_WOODEN_WALL,
4416   EL_MM_ICE_WALL,
4417   EL_MM_AMOEBA_WALL,
4418
4419   EL_MM_STEEL_LOCK,
4420   EL_MM_WOODEN_LOCK,
4421   EL_MM_STEEL_BLOCK,
4422   EL_MM_WOODEN_BLOCK,
4423
4424   EL_MM_STEEL_GRID_FIXED_1,
4425   EL_MM_STEEL_GRID_FIXED_2,
4426   EL_MM_STEEL_GRID_FIXED_3,
4427   EL_MM_STEEL_GRID_FIXED_4,
4428
4429   EL_MM_WOODEN_GRID_FIXED_1,
4430   EL_MM_WOODEN_GRID_FIXED_2,
4431   EL_MM_WOODEN_GRID_FIXED_3,
4432   EL_MM_WOODEN_GRID_FIXED_4
4433 };
4434 static int *editor_hl_mirror_magic_ptr = editor_hl_mirror_magic;
4435 static int *editor_el_mirror_magic_ptr = editor_el_mirror_magic;
4436 static int num_editor_hl_mirror_magic = SIZEOF_ARRAY_INT(editor_hl_mirror_magic);
4437 static int num_editor_el_mirror_magic = SIZEOF_ARRAY_INT(editor_el_mirror_magic);
4438
4439 static int editor_hl_deflektor[] =
4440 {
4441   EL_INTERNAL_CASCADE_DF_ACTIVE,
4442   EL_CHAR('D'),
4443   EL_CHAR('F'),
4444   EL_EMPTY,
4445 };
4446
4447 static int editor_el_deflektor[] =
4448 {
4449   EL_DF_LASER_RIGHT,
4450   EL_DF_LASER_UP,
4451   EL_DF_LASER_LEFT,
4452   EL_DF_LASER_DOWN,
4453
4454   EL_DF_RECEIVER_RIGHT,
4455   EL_DF_RECEIVER_UP,
4456   EL_DF_RECEIVER_LEFT,
4457   EL_DF_RECEIVER_DOWN,
4458
4459   EL_DF_MIRROR_START,
4460   EL_DF_MIRROR_ROTATING_START,
4461   EL_DF_CELL,
4462   EL_DF_MINE,
4463
4464   EL_DF_FIBRE_OPTIC_RED_1,
4465   EL_DF_FIBRE_OPTIC_YELLOW_1,
4466   EL_DF_FIBRE_OPTIC_GREEN_1,
4467   EL_DF_FIBRE_OPTIC_BLUE_1,
4468
4469   EL_DF_STEEL_GRID_FIXED_START,
4470   EL_DF_STEEL_GRID_ROTATING_START,
4471   EL_DF_WOODEN_GRID_FIXED_START,
4472   EL_DF_WOODEN_GRID_ROTATING_START,
4473
4474   EL_DF_STEEL_WALL,
4475   EL_DF_WOODEN_WALL,
4476   EL_DF_REFRACTOR,
4477   EL_EMPTY
4478 };
4479 static int *editor_hl_deflektor_ptr = editor_hl_deflektor;
4480 static int *editor_el_deflektor_ptr = editor_el_deflektor;
4481 static int num_editor_hl_deflektor = SIZEOF_ARRAY_INT(editor_hl_deflektor);
4482 static int num_editor_el_deflektor = SIZEOF_ARRAY_INT(editor_el_deflektor);
4483
4484 static int editor_hl_chars[] =
4485 {
4486   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
4487   EL_CHAR('T'),
4488   EL_CHAR('X'),
4489   EL_CHAR('T'),
4490 };
4491
4492 static int editor_el_chars[] =
4493 {
4494   EL_CHAR(' '),
4495   EL_CHAR('!'),
4496   EL_CHAR('"'),
4497   EL_CHAR('#'),
4498
4499   EL_CHAR('$'),
4500   EL_CHAR('%'),
4501   EL_CHAR('&'),
4502   EL_CHAR('\''),
4503
4504   EL_CHAR('('),
4505   EL_CHAR(')'),
4506   EL_CHAR('*'),
4507   EL_CHAR('+'),
4508
4509   EL_CHAR(','),
4510   EL_CHAR('-'),
4511   EL_CHAR('.'),
4512   EL_CHAR('/'),
4513
4514   EL_CHAR('0'),
4515   EL_CHAR('1'),
4516   EL_CHAR('2'),
4517   EL_CHAR('3'),
4518
4519   EL_CHAR('4'),
4520   EL_CHAR('5'),
4521   EL_CHAR('6'),
4522   EL_CHAR('7'),
4523
4524   EL_CHAR('8'),
4525   EL_CHAR('9'),
4526   EL_CHAR(':'),
4527   EL_CHAR(';'),
4528
4529   EL_CHAR('<'),
4530   EL_CHAR('='),
4531   EL_CHAR('>'),
4532   EL_CHAR('?'),
4533
4534   EL_CHAR('@'),
4535   EL_CHAR('A'),
4536   EL_CHAR('B'),
4537   EL_CHAR('C'),
4538
4539   EL_CHAR('D'),
4540   EL_CHAR('E'),
4541   EL_CHAR('F'),
4542   EL_CHAR('G'),
4543
4544   EL_CHAR('H'),
4545   EL_CHAR('I'),
4546   EL_CHAR('J'),
4547   EL_CHAR('K'),
4548
4549   EL_CHAR('L'),
4550   EL_CHAR('M'),
4551   EL_CHAR('N'),
4552   EL_CHAR('O'),
4553
4554   EL_CHAR('P'),
4555   EL_CHAR('Q'),
4556   EL_CHAR('R'),
4557   EL_CHAR('S'),
4558
4559   EL_CHAR('T'),
4560   EL_CHAR('U'),
4561   EL_CHAR('V'),
4562   EL_CHAR('W'),
4563
4564   EL_CHAR('X'),
4565   EL_CHAR('Y'),
4566   EL_CHAR('Z'),
4567   EL_CHAR('['),
4568
4569   EL_CHAR('\\'),
4570   EL_CHAR(']'),
4571   EL_CHAR('^'),
4572   EL_CHAR('_'),
4573
4574   EL_CHAR(CHAR_BYTE_COPYRIGHT),
4575   EL_CHAR(CHAR_BYTE_UMLAUT_A),
4576   EL_CHAR(CHAR_BYTE_UMLAUT_O),
4577   EL_CHAR(CHAR_BYTE_UMLAUT_U),
4578
4579   EL_CHAR(CHAR_BYTE_DEGREE),
4580   EL_CHAR(CHAR_BYTE_REGISTERED),
4581   EL_CHAR(FONT_ASCII_CURSOR),
4582   EL_CHAR(FONT_ASCII_BUTTON),
4583
4584   EL_CHAR(FONT_ASCII_UP),
4585   EL_CHAR(FONT_ASCII_DOWN),
4586   EL_CHAR(' '),
4587   EL_CHAR(' ')
4588 };
4589 static int *editor_hl_chars_ptr = editor_hl_chars;
4590 static int *editor_el_chars_ptr = editor_el_chars;
4591 static int num_editor_hl_chars = SIZEOF_ARRAY_INT(editor_hl_chars);
4592 static int num_editor_el_chars = SIZEOF_ARRAY_INT(editor_el_chars);
4593
4594 static int editor_hl_steel_chars[] =
4595 {
4596   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
4597   EL_STEEL_CHAR('T'),
4598   EL_STEEL_CHAR('X'),
4599   EL_STEEL_CHAR('T'),
4600 };
4601
4602 static int editor_el_steel_chars[] =
4603 {
4604   EL_STEEL_CHAR(' '),
4605   EL_STEEL_CHAR('!'),
4606   EL_STEEL_CHAR('"'),
4607   EL_STEEL_CHAR('#'),
4608
4609   EL_STEEL_CHAR('$'),
4610   EL_STEEL_CHAR('%'),
4611   EL_STEEL_CHAR('&'),
4612   EL_STEEL_CHAR('\''),
4613
4614   EL_STEEL_CHAR('('),
4615   EL_STEEL_CHAR(')'),
4616   EL_STEEL_CHAR('*'),
4617   EL_STEEL_CHAR('+'),
4618
4619   EL_STEEL_CHAR(','),
4620   EL_STEEL_CHAR('-'),
4621   EL_STEEL_CHAR('.'),
4622   EL_STEEL_CHAR('/'),
4623
4624   EL_STEEL_CHAR('0'),
4625   EL_STEEL_CHAR('1'),
4626   EL_STEEL_CHAR('2'),
4627   EL_STEEL_CHAR('3'),
4628
4629   EL_STEEL_CHAR('4'),
4630   EL_STEEL_CHAR('5'),
4631   EL_STEEL_CHAR('6'),
4632   EL_STEEL_CHAR('7'),
4633
4634   EL_STEEL_CHAR('8'),
4635   EL_STEEL_CHAR('9'),
4636   EL_STEEL_CHAR(':'),
4637   EL_STEEL_CHAR(';'),
4638
4639   EL_STEEL_CHAR('<'),
4640   EL_STEEL_CHAR('='),
4641   EL_STEEL_CHAR('>'),
4642   EL_STEEL_CHAR('?'),
4643
4644   EL_STEEL_CHAR('@'),
4645   EL_STEEL_CHAR('A'),
4646   EL_STEEL_CHAR('B'),
4647   EL_STEEL_CHAR('C'),
4648
4649   EL_STEEL_CHAR('D'),
4650   EL_STEEL_CHAR('E'),
4651   EL_STEEL_CHAR('F'),
4652   EL_STEEL_CHAR('G'),
4653
4654   EL_STEEL_CHAR('H'),
4655   EL_STEEL_CHAR('I'),
4656   EL_STEEL_CHAR('J'),
4657   EL_STEEL_CHAR('K'),
4658
4659   EL_STEEL_CHAR('L'),
4660   EL_STEEL_CHAR('M'),
4661   EL_STEEL_CHAR('N'),
4662   EL_STEEL_CHAR('O'),
4663
4664   EL_STEEL_CHAR('P'),
4665   EL_STEEL_CHAR('Q'),
4666   EL_STEEL_CHAR('R'),
4667   EL_STEEL_CHAR('S'),
4668
4669   EL_STEEL_CHAR('T'),
4670   EL_STEEL_CHAR('U'),
4671   EL_STEEL_CHAR('V'),
4672   EL_STEEL_CHAR('W'),
4673
4674   EL_STEEL_CHAR('X'),
4675   EL_STEEL_CHAR('Y'),
4676   EL_STEEL_CHAR('Z'),
4677   EL_STEEL_CHAR('['),
4678
4679   EL_STEEL_CHAR('\\'),
4680   EL_STEEL_CHAR(']'),
4681   EL_STEEL_CHAR('^'),
4682   EL_STEEL_CHAR('_'),
4683
4684   EL_STEEL_CHAR(CHAR_BYTE_COPYRIGHT),
4685   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_A),
4686   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_O),
4687   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_U),
4688
4689   EL_STEEL_CHAR(CHAR_BYTE_DEGREE),
4690   EL_STEEL_CHAR(CHAR_BYTE_REGISTERED),
4691   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
4692   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
4693
4694   EL_STEEL_CHAR(FONT_ASCII_UP),
4695   EL_STEEL_CHAR(FONT_ASCII_DOWN),
4696   EL_STEEL_CHAR(' '),
4697   EL_STEEL_CHAR(' ')
4698 };
4699 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
4700 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
4701 static int num_editor_hl_steel_chars = SIZEOF_ARRAY_INT(editor_hl_steel_chars);
4702 static int num_editor_el_steel_chars = SIZEOF_ARRAY_INT(editor_el_steel_chars);
4703
4704 static int editor_hl_custom[] =
4705 {
4706   EL_INTERNAL_CASCADE_CE_ACTIVE,
4707   EL_CHAR('C'),
4708   EL_CHAR('E'),
4709   EL_EMPTY,
4710 };
4711
4712 static int editor_el_custom[] =
4713 {
4714   EL_CUSTOM_START + 0,
4715   EL_CUSTOM_START + 1,
4716   EL_CUSTOM_START + 2,
4717   EL_CUSTOM_START + 3,
4718
4719   EL_CUSTOM_START + 4,
4720   EL_CUSTOM_START + 5,
4721   EL_CUSTOM_START + 6,
4722   EL_CUSTOM_START + 7,
4723
4724   EL_CUSTOM_START + 8,
4725   EL_CUSTOM_START + 9,
4726   EL_CUSTOM_START + 10,
4727   EL_CUSTOM_START + 11,
4728
4729   EL_CUSTOM_START + 12,
4730   EL_CUSTOM_START + 13,
4731   EL_CUSTOM_START + 14,
4732   EL_CUSTOM_START + 15,
4733
4734   EL_CUSTOM_START + 16,
4735   EL_CUSTOM_START + 17,
4736   EL_CUSTOM_START + 18,
4737   EL_CUSTOM_START + 19,
4738
4739   EL_CUSTOM_START + 20,
4740   EL_CUSTOM_START + 21,
4741   EL_CUSTOM_START + 22,
4742   EL_CUSTOM_START + 23,
4743
4744   EL_CUSTOM_START + 24,
4745   EL_CUSTOM_START + 25,
4746   EL_CUSTOM_START + 26,
4747   EL_CUSTOM_START + 27,
4748
4749   EL_CUSTOM_START + 28,
4750   EL_CUSTOM_START + 29,
4751   EL_CUSTOM_START + 30,
4752   EL_CUSTOM_START + 31,
4753
4754   EL_CUSTOM_START + 32,
4755   EL_CUSTOM_START + 33,
4756   EL_CUSTOM_START + 34,
4757   EL_CUSTOM_START + 35,
4758
4759   EL_CUSTOM_START + 36,
4760   EL_CUSTOM_START + 37,
4761   EL_CUSTOM_START + 38,
4762   EL_CUSTOM_START + 39,
4763
4764   EL_CUSTOM_START + 40,
4765   EL_CUSTOM_START + 41,
4766   EL_CUSTOM_START + 42,
4767   EL_CUSTOM_START + 43,
4768
4769   EL_CUSTOM_START + 44,
4770   EL_CUSTOM_START + 45,
4771   EL_CUSTOM_START + 46,
4772   EL_CUSTOM_START + 47,
4773
4774   EL_CUSTOM_START + 48,
4775   EL_CUSTOM_START + 49,
4776   EL_CUSTOM_START + 50,
4777   EL_CUSTOM_START + 51,
4778
4779   EL_CUSTOM_START + 52,
4780   EL_CUSTOM_START + 53,
4781   EL_CUSTOM_START + 54,
4782   EL_CUSTOM_START + 55,
4783
4784   EL_CUSTOM_START + 56,
4785   EL_CUSTOM_START + 57,
4786   EL_CUSTOM_START + 58,
4787   EL_CUSTOM_START + 59,
4788
4789   EL_CUSTOM_START + 60,
4790   EL_CUSTOM_START + 61,
4791   EL_CUSTOM_START + 62,
4792   EL_CUSTOM_START + 63,
4793
4794   EL_CUSTOM_START + 64,
4795   EL_CUSTOM_START + 65,
4796   EL_CUSTOM_START + 66,
4797   EL_CUSTOM_START + 67,
4798
4799   EL_CUSTOM_START + 68,
4800   EL_CUSTOM_START + 69,
4801   EL_CUSTOM_START + 70,
4802   EL_CUSTOM_START + 71,
4803
4804   EL_CUSTOM_START + 72,
4805   EL_CUSTOM_START + 73,
4806   EL_CUSTOM_START + 74,
4807   EL_CUSTOM_START + 75,
4808
4809   EL_CUSTOM_START + 76,
4810   EL_CUSTOM_START + 77,
4811   EL_CUSTOM_START + 78,
4812   EL_CUSTOM_START + 79,
4813
4814   EL_CUSTOM_START + 80,
4815   EL_CUSTOM_START + 81,
4816   EL_CUSTOM_START + 82,
4817   EL_CUSTOM_START + 83,
4818
4819   EL_CUSTOM_START + 84,
4820   EL_CUSTOM_START + 85,
4821   EL_CUSTOM_START + 86,
4822   EL_CUSTOM_START + 87,
4823
4824   EL_CUSTOM_START + 88,
4825   EL_CUSTOM_START + 89,
4826   EL_CUSTOM_START + 90,
4827   EL_CUSTOM_START + 91,
4828
4829   EL_CUSTOM_START + 92,
4830   EL_CUSTOM_START + 93,
4831   EL_CUSTOM_START + 94,
4832   EL_CUSTOM_START + 95,
4833
4834   EL_CUSTOM_START + 96,
4835   EL_CUSTOM_START + 97,
4836   EL_CUSTOM_START + 98,
4837   EL_CUSTOM_START + 99,
4838
4839   EL_CUSTOM_START + 100,
4840   EL_CUSTOM_START + 101,
4841   EL_CUSTOM_START + 102,
4842   EL_CUSTOM_START + 103,
4843
4844   EL_CUSTOM_START + 104,
4845   EL_CUSTOM_START + 105,
4846   EL_CUSTOM_START + 106,
4847   EL_CUSTOM_START + 107,
4848
4849   EL_CUSTOM_START + 108,
4850   EL_CUSTOM_START + 109,
4851   EL_CUSTOM_START + 110,
4852   EL_CUSTOM_START + 111,
4853
4854   EL_CUSTOM_START + 112,
4855   EL_CUSTOM_START + 113,
4856   EL_CUSTOM_START + 114,
4857   EL_CUSTOM_START + 115,
4858
4859   EL_CUSTOM_START + 116,
4860   EL_CUSTOM_START + 117,
4861   EL_CUSTOM_START + 118,
4862   EL_CUSTOM_START + 119,
4863
4864   EL_CUSTOM_START + 120,
4865   EL_CUSTOM_START + 121,
4866   EL_CUSTOM_START + 122,
4867   EL_CUSTOM_START + 123,
4868
4869   EL_CUSTOM_START + 124,
4870   EL_CUSTOM_START + 125,
4871   EL_CUSTOM_START + 126,
4872   EL_CUSTOM_START + 127,
4873
4874   EL_CUSTOM_START + 128,
4875   EL_CUSTOM_START + 129,
4876   EL_CUSTOM_START + 130,
4877   EL_CUSTOM_START + 131,
4878
4879   EL_CUSTOM_START + 132,
4880   EL_CUSTOM_START + 133,
4881   EL_CUSTOM_START + 134,
4882   EL_CUSTOM_START + 135,
4883
4884   EL_CUSTOM_START + 136,
4885   EL_CUSTOM_START + 137,
4886   EL_CUSTOM_START + 138,
4887   EL_CUSTOM_START + 139,
4888
4889   EL_CUSTOM_START + 140,
4890   EL_CUSTOM_START + 141,
4891   EL_CUSTOM_START + 142,
4892   EL_CUSTOM_START + 143,
4893
4894   EL_CUSTOM_START + 144,
4895   EL_CUSTOM_START + 145,
4896   EL_CUSTOM_START + 146,
4897   EL_CUSTOM_START + 147,
4898
4899   EL_CUSTOM_START + 148,
4900   EL_CUSTOM_START + 149,
4901   EL_CUSTOM_START + 150,
4902   EL_CUSTOM_START + 151,
4903
4904   EL_CUSTOM_START + 152,
4905   EL_CUSTOM_START + 153,
4906   EL_CUSTOM_START + 154,
4907   EL_CUSTOM_START + 155,
4908
4909   EL_CUSTOM_START + 156,
4910   EL_CUSTOM_START + 157,
4911   EL_CUSTOM_START + 158,
4912   EL_CUSTOM_START + 159,
4913
4914   EL_CUSTOM_START + 160,
4915   EL_CUSTOM_START + 161,
4916   EL_CUSTOM_START + 162,
4917   EL_CUSTOM_START + 163,
4918
4919   EL_CUSTOM_START + 164,
4920   EL_CUSTOM_START + 165,
4921   EL_CUSTOM_START + 166,
4922   EL_CUSTOM_START + 167,
4923
4924   EL_CUSTOM_START + 168,
4925   EL_CUSTOM_START + 169,
4926   EL_CUSTOM_START + 170,
4927   EL_CUSTOM_START + 171,
4928
4929   EL_CUSTOM_START + 172,
4930   EL_CUSTOM_START + 173,
4931   EL_CUSTOM_START + 174,
4932   EL_CUSTOM_START + 175,
4933
4934   EL_CUSTOM_START + 176,
4935   EL_CUSTOM_START + 177,
4936   EL_CUSTOM_START + 178,
4937   EL_CUSTOM_START + 179,
4938
4939   EL_CUSTOM_START + 180,
4940   EL_CUSTOM_START + 181,
4941   EL_CUSTOM_START + 182,
4942   EL_CUSTOM_START + 183,
4943
4944   EL_CUSTOM_START + 184,
4945   EL_CUSTOM_START + 185,
4946   EL_CUSTOM_START + 186,
4947   EL_CUSTOM_START + 187,
4948
4949   EL_CUSTOM_START + 188,
4950   EL_CUSTOM_START + 189,
4951   EL_CUSTOM_START + 190,
4952   EL_CUSTOM_START + 191,
4953
4954   EL_CUSTOM_START + 192,
4955   EL_CUSTOM_START + 193,
4956   EL_CUSTOM_START + 194,
4957   EL_CUSTOM_START + 195,
4958
4959   EL_CUSTOM_START + 196,
4960   EL_CUSTOM_START + 197,
4961   EL_CUSTOM_START + 198,
4962   EL_CUSTOM_START + 199,
4963
4964   EL_CUSTOM_START + 200,
4965   EL_CUSTOM_START + 201,
4966   EL_CUSTOM_START + 202,
4967   EL_CUSTOM_START + 203,
4968
4969   EL_CUSTOM_START + 204,
4970   EL_CUSTOM_START + 205,
4971   EL_CUSTOM_START + 206,
4972   EL_CUSTOM_START + 207,
4973
4974   EL_CUSTOM_START + 208,
4975   EL_CUSTOM_START + 209,
4976   EL_CUSTOM_START + 210,
4977   EL_CUSTOM_START + 211,
4978
4979   EL_CUSTOM_START + 212,
4980   EL_CUSTOM_START + 213,
4981   EL_CUSTOM_START + 214,
4982   EL_CUSTOM_START + 215,
4983
4984   EL_CUSTOM_START + 216,
4985   EL_CUSTOM_START + 217,
4986   EL_CUSTOM_START + 218,
4987   EL_CUSTOM_START + 219,
4988
4989   EL_CUSTOM_START + 220,
4990   EL_CUSTOM_START + 221,
4991   EL_CUSTOM_START + 222,
4992   EL_CUSTOM_START + 223,
4993
4994   EL_CUSTOM_START + 224,
4995   EL_CUSTOM_START + 225,
4996   EL_CUSTOM_START + 226,
4997   EL_CUSTOM_START + 227,
4998
4999   EL_CUSTOM_START + 228,
5000   EL_CUSTOM_START + 229,
5001   EL_CUSTOM_START + 230,
5002   EL_CUSTOM_START + 231,
5003
5004   EL_CUSTOM_START + 232,
5005   EL_CUSTOM_START + 233,
5006   EL_CUSTOM_START + 234,
5007   EL_CUSTOM_START + 235,
5008
5009   EL_CUSTOM_START + 236,
5010   EL_CUSTOM_START + 237,
5011   EL_CUSTOM_START + 238,
5012   EL_CUSTOM_START + 239,
5013
5014   EL_CUSTOM_START + 240,
5015   EL_CUSTOM_START + 241,
5016   EL_CUSTOM_START + 242,
5017   EL_CUSTOM_START + 243,
5018
5019   EL_CUSTOM_START + 244,
5020   EL_CUSTOM_START + 245,
5021   EL_CUSTOM_START + 246,
5022   EL_CUSTOM_START + 247,
5023
5024   EL_CUSTOM_START + 248,
5025   EL_CUSTOM_START + 249,
5026   EL_CUSTOM_START + 250,
5027   EL_CUSTOM_START + 251,
5028
5029   EL_CUSTOM_START + 252,
5030   EL_CUSTOM_START + 253,
5031   EL_CUSTOM_START + 254,
5032   EL_CUSTOM_START + 255
5033 };
5034 static int *editor_hl_custom_ptr = editor_hl_custom;
5035 static int *editor_el_custom_ptr = editor_el_custom;
5036 static int num_editor_hl_custom = SIZEOF_ARRAY_INT(editor_hl_custom);
5037 static int num_editor_el_custom = SIZEOF_ARRAY_INT(editor_el_custom);
5038
5039 static int editor_hl_group[] =
5040 {
5041   EL_INTERNAL_CASCADE_GE_ACTIVE,
5042   EL_CHAR('G'),
5043   EL_CHAR('E'),
5044   EL_EMPTY,
5045 };
5046
5047 static int editor_el_group[] =
5048 {
5049   EL_GROUP_START + 0,
5050   EL_GROUP_START + 1,
5051   EL_GROUP_START + 2,
5052   EL_GROUP_START + 3,
5053
5054   EL_GROUP_START + 4,
5055   EL_GROUP_START + 5,
5056   EL_GROUP_START + 6,
5057   EL_GROUP_START + 7,
5058
5059   EL_GROUP_START + 8,
5060   EL_GROUP_START + 9,
5061   EL_GROUP_START + 10,
5062   EL_GROUP_START + 11,
5063
5064   EL_GROUP_START + 12,
5065   EL_GROUP_START + 13,
5066   EL_GROUP_START + 14,
5067   EL_GROUP_START + 15,
5068
5069   EL_GROUP_START + 16,
5070   EL_GROUP_START + 17,
5071   EL_GROUP_START + 18,
5072   EL_GROUP_START + 19,
5073
5074   EL_GROUP_START + 20,
5075   EL_GROUP_START + 21,
5076   EL_GROUP_START + 22,
5077   EL_GROUP_START + 23,
5078
5079   EL_GROUP_START + 24,
5080   EL_GROUP_START + 25,
5081   EL_GROUP_START + 26,
5082   EL_GROUP_START + 27,
5083
5084   EL_GROUP_START + 28,
5085   EL_GROUP_START + 29,
5086   EL_GROUP_START + 30,
5087   EL_GROUP_START + 31
5088 };
5089 static int *editor_hl_group_ptr = editor_hl_group;
5090 static int *editor_el_group_ptr = editor_el_group;
5091 static int num_editor_hl_group = SIZEOF_ARRAY_INT(editor_hl_group);
5092 static int num_editor_el_group = SIZEOF_ARRAY_INT(editor_el_group);
5093
5094 static int editor_hl_reference[] =
5095 {
5096   EL_INTERNAL_CASCADE_REF_ACTIVE,
5097   EL_CHAR('R'),
5098   EL_CHAR('E'),
5099   EL_CHAR('F')
5100 };
5101
5102 static int editor_el_reference[] =
5103 {
5104   EL_TRIGGER_PLAYER,
5105   EL_TRIGGER_ELEMENT,
5106   EL_TRIGGER_CE_VALUE,
5107   EL_TRIGGER_CE_SCORE,
5108
5109   EL_SELF,
5110   EL_ANY_ELEMENT,
5111   EL_CURRENT_CE_VALUE,
5112   EL_CURRENT_CE_SCORE,
5113
5114   EL_PREV_CE_8,
5115   EL_PREV_CE_7,
5116   EL_PREV_CE_6,
5117   EL_PREV_CE_5,
5118
5119   EL_PREV_CE_4,
5120   EL_PREV_CE_3,
5121   EL_PREV_CE_2,
5122   EL_PREV_CE_1,
5123
5124   EL_NEXT_CE_1,
5125   EL_NEXT_CE_2,
5126   EL_NEXT_CE_3,
5127   EL_NEXT_CE_4,
5128
5129   EL_NEXT_CE_5,
5130   EL_NEXT_CE_6,
5131   EL_NEXT_CE_7,
5132   EL_NEXT_CE_8,
5133 };
5134 static int *editor_hl_reference_ptr = editor_hl_reference;
5135 static int *editor_el_reference_ptr = editor_el_reference;
5136 static int num_editor_hl_reference = SIZEOF_ARRAY_INT(editor_hl_reference);
5137 static int num_editor_el_reference = SIZEOF_ARRAY_INT(editor_el_reference);
5138
5139 static int editor_hl_user_defined[] =
5140 {
5141   EL_INTERNAL_CASCADE_USER_ACTIVE,
5142   EL_CHAR('M'),
5143   EL_CHAR('Y'),
5144   EL_EMPTY,
5145 };
5146
5147 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
5148 static int *editor_el_user_defined_ptr = NULL;
5149 static int num_editor_hl_user_defined=SIZEOF_ARRAY_INT(editor_hl_user_defined);
5150 static int num_editor_el_user_defined = 0;
5151
5152 static int editor_hl_dynamic[] =
5153 {
5154   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
5155   EL_CHAR('U'),
5156   EL_CHAR('S'),
5157   EL_CHAR('E'),
5158 };
5159
5160 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
5161 static int *editor_el_dynamic_ptr = NULL;
5162 static int num_editor_hl_dynamic = SIZEOF_ARRAY_INT(editor_hl_dynamic);
5163 static int num_editor_el_dynamic = 0;
5164
5165 static int editor_hl_empty[] = { EL_EMPTY };
5166 static int *editor_el_empty = NULL;     /* dynamically allocated */
5167
5168 static int *editor_hl_empty_ptr = editor_hl_empty;
5169 static int *editor_el_empty_ptr = NULL;
5170 static int num_editor_hl_empty = 0;
5171 static int num_editor_el_empty = 0;     /* dynamically determined, if needed */
5172
5173 static boolean use_el_empty = FALSE;
5174
5175 static int *editor_elements = NULL;     /* dynamically allocated */
5176 static int num_editor_elements = 0;     /* dynamically determined */
5177
5178 static boolean setup_editor_cascade_never = FALSE;
5179
5180 static boolean setup_editor_el_players                  = TRUE;
5181 static boolean setup_editor_el_boulderdash              = TRUE;
5182 static boolean setup_editor_el_emerald_mine             = TRUE;
5183 static boolean setup_editor_el_emerald_mine_club        = TRUE;
5184 static boolean setup_editor_el_more                     = TRUE;
5185 static boolean setup_editor_el_sokoban                  = TRUE;
5186 static boolean setup_editor_el_supaplex                 = TRUE;
5187 static boolean setup_editor_el_diamond_caves            = TRUE;
5188 static boolean setup_editor_el_dx_boulderdash           = TRUE;
5189 static boolean setup_editor_el_mirror_magic             = TRUE;
5190 static boolean setup_editor_el_deflektor                = TRUE;
5191 static boolean setup_editor_el_chars                    = TRUE;
5192 static boolean setup_editor_el_steel_chars              = TRUE;
5193 static boolean setup_editor_el_custom                   = TRUE;
5194 static boolean setup_editor_el_user_defined             = TRUE;
5195 static boolean setup_editor_el_dynamic                  = TRUE;
5196
5197 static int editor_hl_unused[] = { EL_EMPTY };
5198 static int *editor_hl_unused_ptr = editor_hl_unused;
5199 static int num_editor_hl_unused = 0;
5200
5201 static struct
5202 {
5203   boolean *setup_value;
5204   boolean *setup_cascade_value;
5205
5206   int **headline_list;
5207   int *headline_list_size;
5208
5209   int **element_list;
5210   int *element_list_size;
5211
5212   boolean last_setup_value;
5213 }
5214 editor_elements_info[] =
5215 {
5216   {
5217     &setup_editor_el_players,
5218     &setup_editor_cascade_never,
5219     &editor_hl_unused_ptr,              &num_editor_hl_unused,
5220     &editor_el_players_ptr,             &num_editor_el_players
5221   },
5222   {
5223     &setup_editor_el_boulderdash,
5224     &setup.editor_cascade.el_bd,
5225     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
5226     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
5227   },
5228   {
5229     &setup_editor_el_emerald_mine,
5230     &setup.editor_cascade.el_em,
5231     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
5232     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
5233   },
5234   {
5235     &setup_editor_el_emerald_mine_club,
5236     &setup.editor_cascade.el_emc,
5237     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
5238     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
5239   },
5240   {
5241     &setup_editor_el_more,
5242     &setup.editor_cascade.el_rnd,
5243     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
5244     &editor_el_rnd_ptr,                 &num_editor_el_rnd
5245   },
5246   {
5247     &setup_editor_el_sokoban,
5248     &setup.editor_cascade.el_sb,
5249     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
5250     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
5251   },
5252   {
5253     &setup_editor_el_supaplex,
5254     &setup.editor_cascade.el_sp,
5255     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
5256     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
5257   },
5258   {
5259     &setup_editor_el_diamond_caves,
5260     &setup.editor_cascade.el_dc,
5261     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
5262     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
5263   },
5264   {
5265     &setup_editor_el_dx_boulderdash,
5266     &setup.editor_cascade.el_dx,
5267     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
5268     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
5269   },
5270   {
5271     &setup_editor_el_mirror_magic,
5272     &setup.editor_cascade.el_mm,
5273     &editor_hl_mirror_magic_ptr,        &num_editor_hl_mirror_magic,
5274     &editor_el_mirror_magic_ptr,        &num_editor_el_mirror_magic
5275   },
5276   {
5277     &setup_editor_el_deflektor,
5278     &setup.editor_cascade.el_df,
5279     &editor_hl_deflektor_ptr,           &num_editor_hl_deflektor,
5280     &editor_el_deflektor_ptr,           &num_editor_el_deflektor
5281   },
5282   {
5283     &setup_editor_el_chars,
5284     &setup.editor_cascade.el_chars,
5285     &editor_hl_chars_ptr,               &num_editor_hl_chars,
5286     &editor_el_chars_ptr,               &num_editor_el_chars
5287   },
5288   {
5289     &setup_editor_el_steel_chars,
5290     &setup.editor_cascade.el_steel_chars,
5291     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
5292     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
5293   },
5294   {
5295     &setup_editor_el_custom,
5296     &setup.editor_cascade.el_ce,
5297     &editor_hl_custom_ptr,              &num_editor_hl_custom,
5298     &editor_el_custom_ptr,              &num_editor_el_custom
5299   },
5300   {
5301     &setup_editor_el_custom,
5302     &setup.editor_cascade.el_ge,
5303     &editor_hl_group_ptr,               &num_editor_hl_group,
5304     &editor_el_group_ptr,               &num_editor_el_group
5305   },
5306   {
5307     &setup_editor_el_custom,
5308     &setup.editor_cascade.el_ref,
5309     &editor_hl_reference_ptr,           &num_editor_hl_reference,
5310     &editor_el_reference_ptr,           &num_editor_el_reference
5311   },
5312   {
5313     &setup_editor_el_user_defined,
5314     &setup.editor_cascade.el_user,
5315     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
5316     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
5317   },
5318   {
5319     &setup_editor_el_dynamic,
5320     &setup.editor_cascade.el_dynamic,
5321     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
5322     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
5323   },
5324   {
5325     &use_el_empty,
5326     &use_el_empty,
5327     &editor_hl_empty_ptr,               &num_editor_hl_empty,
5328     &editor_el_empty_ptr,               &num_editor_el_empty,
5329   },
5330   {
5331     NULL,
5332     NULL,
5333     NULL,                               NULL,
5334     NULL,                               NULL
5335   }
5336 };
5337
5338
5339 /*
5340   -----------------------------------------------------------------------------
5341   functions
5342   -----------------------------------------------------------------------------
5343 */
5344
5345 static int getMaxInfoTextLength()
5346 {
5347   return (SXSIZE / getFontWidth(INFOTEXT_FONT));
5348 }
5349
5350 static int getTextWidthForGadget(char *text)
5351 {
5352   if (text == NULL)
5353     return 0;
5354
5355   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
5356 }
5357
5358 static int getTextWidthForDrawingArea(char *text)
5359 {
5360   if (text == NULL)
5361     return 0;
5362
5363   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_TEXT_DISTANCE);
5364 }
5365
5366 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
5367 {
5368   return (gi->x + gi->width + getTextWidthForGadget(text));
5369 }
5370
5371 static char *getElementInfoText(int element)
5372 {
5373   char *info_text = NULL;
5374
5375   if (element < MAX_NUM_ELEMENTS)
5376   {
5377     if (strlen(element_info[element].description) > 0)
5378       info_text = element_info[element].description;
5379     else if (element_info[element].custom_description != NULL)
5380       info_text = element_info[element].custom_description;
5381     else if (element_info[element].editor_description != NULL)
5382       info_text = element_info[element].editor_description;
5383   }
5384
5385   if (info_text == NULL)
5386     info_text = INFOTEXT_UNKNOWN_ELEMENT;
5387
5388   return info_text;
5389 }
5390
5391 static char *getElementDescriptionFilenameExt(char *basename)
5392 {
5393   char *elements_subdir = "elements";
5394   static char *elements_subdir2 = NULL;
5395   static char *filename = NULL;
5396
5397   if (elements_subdir2 == NULL)
5398     elements_subdir2 = getPath2(DOCS_DIRECTORY, elements_subdir);
5399
5400   checked_free(filename);
5401
5402   /* 1st try: look for element description in current level set directory */
5403   filename = getPath3(getCurrentLevelDir(), elements_subdir2, basename);
5404   if (fileExists(filename))
5405     return filename;
5406
5407   free(filename);
5408
5409   /* 2nd try: look for element description in the game's base directory */
5410   filename = getPath3(options.docs_directory, elements_subdir, basename);
5411   if (fileExists(filename))
5412     return filename;
5413
5414   return NULL;
5415 }
5416
5417 char *getElementDescriptionFilename(int element)
5418 {
5419   char basename[MAX_FILENAME_LEN];
5420   char *filename;
5421
5422   /* 1st try: look for element description file for exactly this element */
5423   sprintf(basename, "%s.txt", element_info[element].token_name);
5424   filename = getElementDescriptionFilenameExt(basename);
5425   if (filename != NULL)
5426     return filename;
5427
5428   /* 2nd try: look for element description file for this element's class */
5429   sprintf(basename, "%s.txt", element_info[element].class_name);
5430   filename = getElementDescriptionFilenameExt(basename);
5431   if (filename != NULL)
5432     return filename;
5433
5434   return NULL;
5435 }
5436
5437 static void InitDynamicEditorElementList(int **elements, int *num_elements)
5438 {
5439   boolean element_found[NUM_FILE_ELEMENTS];
5440   int i, x, y;
5441
5442   /* initialize list of used elements to "not used" */
5443   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5444     element_found[i] = FALSE;
5445
5446   /* find all elements used in current level */
5447   for (y = 0; y < lev_fieldy; y++)
5448     for (x = 0; x < lev_fieldx; x++)
5449       if (Feld[x][y] < NUM_FILE_ELEMENTS)       /* should always be true */
5450         element_found[Feld[x][y]] = TRUE;
5451
5452   *num_elements = 0;
5453
5454   /* count number of elements used in current level */
5455   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5456     if (element_found[i])
5457       (*num_elements)++;
5458
5459   /* add space for up to 3 more elements for padding that may be needed */
5460   *num_elements += 3;
5461
5462   /* free memory for old list of elements, if needed */
5463   checked_free(*elements);
5464
5465   /* allocate memory for new list of elements */
5466   *elements = checked_malloc(*num_elements * sizeof(int));
5467
5468   *num_elements = 0;
5469
5470   /* add all elements used in current level (non-custom/group elements) */
5471   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5472     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
5473       (*elements)[(*num_elements)++] = i;
5474
5475   /* add all elements used in current level (custom/group elements) */
5476   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5477     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
5478       (*elements)[(*num_elements)++] = i;
5479
5480   while (*num_elements % 4)     /* pad with empty elements, if needed */
5481     (*elements)[(*num_elements)++] = EL_EMPTY;
5482 }
5483
5484 static void ReinitializeElementList_EnableSections()
5485 {
5486   /* default: enable all element sections */
5487
5488   setup_editor_el_players               = TRUE;
5489   setup_editor_el_boulderdash           = TRUE;
5490   setup_editor_el_emerald_mine          = TRUE;
5491   setup_editor_el_emerald_mine_club     = TRUE;
5492   setup_editor_el_more                  = TRUE;
5493   setup_editor_el_sokoban               = TRUE;
5494   setup_editor_el_supaplex              = TRUE;
5495   setup_editor_el_diamond_caves         = TRUE;
5496   setup_editor_el_dx_boulderdash        = TRUE;
5497   setup_editor_el_mirror_magic          = TRUE;
5498   setup_editor_el_deflektor             = TRUE;
5499   setup_editor_el_chars                 = TRUE;
5500   setup_editor_el_steel_chars           = TRUE;
5501
5502   setup_editor_el_custom                = TRUE;
5503   setup_editor_el_user_defined          = TRUE;
5504   setup_editor_el_dynamic               = TRUE;
5505
5506   /* now disable all element sections not to be displayed */
5507
5508   if (!setup.editor.el_classic)
5509   {
5510     setup_editor_el_players             = FALSE;
5511     setup_editor_el_boulderdash         = FALSE;
5512     setup_editor_el_emerald_mine        = FALSE;
5513     setup_editor_el_emerald_mine_club   = FALSE;
5514     setup_editor_el_more                = FALSE;
5515     setup_editor_el_sokoban             = FALSE;
5516     setup_editor_el_supaplex            = FALSE;
5517     setup_editor_el_diamond_caves       = FALSE;
5518     setup_editor_el_dx_boulderdash      = FALSE;
5519     setup_editor_el_mirror_magic        = FALSE;
5520     setup_editor_el_deflektor           = FALSE;
5521     setup_editor_el_chars               = FALSE;
5522     setup_editor_el_steel_chars         = FALSE;
5523   }
5524
5525   if (!setup.editor.el_custom)
5526   {
5527     setup_editor_el_custom              = FALSE;
5528   }
5529
5530   if (!setup.editor.el_user_defined)
5531   {
5532     setup_editor_el_user_defined        = FALSE;
5533   }
5534
5535   if (!setup.editor.el_dynamic)
5536   {
5537     setup_editor_el_dynamic             = FALSE;
5538   }
5539
5540   if (level.game_engine_type == GAME_ENGINE_TYPE_RND)
5541   {
5542     setup_editor_el_mirror_magic        = FALSE;
5543     setup_editor_el_deflektor           = FALSE;
5544   }
5545   else if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
5546   {
5547     setup_editor_el_boulderdash         = FALSE;
5548     setup_editor_el_more                = FALSE;
5549     setup_editor_el_sokoban             = FALSE;
5550     setup_editor_el_supaplex            = FALSE;
5551     setup_editor_el_diamond_caves       = FALSE;
5552     setup_editor_el_dx_boulderdash      = FALSE;
5553     setup_editor_el_mirror_magic        = FALSE;
5554     setup_editor_el_deflektor           = FALSE;
5555     setup_editor_el_steel_chars         = FALSE;
5556
5557     setup_editor_el_custom              = FALSE;
5558   }
5559   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
5560   {
5561     setup_editor_el_players             = FALSE;
5562     setup_editor_el_boulderdash         = FALSE;
5563     setup_editor_el_emerald_mine        = FALSE;
5564     setup_editor_el_emerald_mine_club   = FALSE;
5565     setup_editor_el_more                = FALSE;
5566     setup_editor_el_sokoban             = FALSE;
5567     setup_editor_el_diamond_caves       = FALSE;
5568     setup_editor_el_dx_boulderdash      = FALSE;
5569     setup_editor_el_mirror_magic        = FALSE;
5570     setup_editor_el_deflektor           = FALSE;
5571     setup_editor_el_chars               = FALSE;
5572     setup_editor_el_steel_chars         = FALSE;
5573
5574     setup_editor_el_custom              = FALSE;
5575   }
5576   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
5577   {
5578     setup_editor_el_players             = FALSE;
5579     setup_editor_el_boulderdash         = FALSE;
5580     setup_editor_el_emerald_mine        = FALSE;
5581     setup_editor_el_emerald_mine_club   = FALSE;
5582     setup_editor_el_more                = FALSE;
5583     setup_editor_el_sokoban             = FALSE;
5584     setup_editor_el_supaplex            = FALSE;
5585     setup_editor_el_diamond_caves       = FALSE;
5586     setup_editor_el_dx_boulderdash      = FALSE;
5587     setup_editor_el_steel_chars         = FALSE;
5588
5589     setup_editor_el_custom              = FALSE;
5590   }
5591 }
5592
5593 static void ReinitializeElementList()
5594 {
5595   static boolean initialization_needed = TRUE;
5596   int pos = 0;
5597   int i, j;
5598
5599   ReinitializeElementList_EnableSections();
5600
5601   if (initialization_needed)
5602   {
5603     LoadSetup_EditorCascade();          /* load last editor cascade state */
5604
5605     /* initialize editor cascade element from saved cascade state */
5606     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5607     {
5608       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
5609       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
5610
5611       if (IS_EDITOR_CASCADE(*cascade_element))
5612         *cascade_element =
5613           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
5614            EL_CASCADE_INACTIVE(*cascade_element));
5615     }
5616
5617     initialization_needed = FALSE;
5618   }
5619
5620   checked_free(editor_elements);
5621
5622   /* reload optional user defined element list for each invocation of editor */
5623   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
5624                                    &num_editor_el_user_defined);
5625
5626   /* initialize dynamic level element list for each invocation of editor */
5627   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
5628                                &num_editor_el_dynamic);
5629
5630   /* initialize list of empty elements (used for padding, if needed) */
5631   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
5632     editor_el_empty[i] = EL_EMPTY;
5633
5634   /* do some sanity checks for each element from element list */
5635   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5636   {
5637     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5638     {
5639       int element = (*editor_elements_info[i].element_list)[j];
5640
5641       if (element >= NUM_FILE_ELEMENTS)
5642         Error(ERR_WARN, "editor element %d is runtime element", element);
5643
5644       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
5645         Error(ERR_WARN, "no element description text for element %d", element);
5646     }
5647   }
5648
5649   num_editor_elements = 0;
5650   use_el_empty = FALSE;
5651
5652   /* determine size of element list */
5653   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5654   {
5655     boolean found_inactive_cascade = FALSE;
5656
5657     if (*editor_elements_info[i].setup_value)
5658     {
5659       if (setup.editor.el_headlines)
5660       {
5661         // required for correct padding of palette headline buttons
5662         if (*editor_elements_info[i].headline_list_size > 0)
5663           num_editor_elements += editor.palette.cols;
5664
5665         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5666         {
5667           int element = (*editor_elements_info[i].headline_list)[j];
5668
5669           if (IS_EDITOR_CASCADE_INACTIVE(element))
5670             found_inactive_cascade = TRUE;
5671         }
5672       }
5673
5674       if (found_inactive_cascade)
5675         continue;
5676
5677       // required for correct padding of palette element buttons
5678       int element_list_size = *editor_elements_info[i].element_list_size;
5679       int element_rows =
5680         (element_list_size + editor.palette.cols - 1) / editor.palette.cols;
5681       int element_buttons = editor.palette.cols * element_rows;
5682
5683       num_editor_elements += element_buttons;
5684     }
5685   }
5686
5687   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
5688   {
5689     /* offer at least as many elements as element buttons exist */
5690     use_el_empty = TRUE;
5691     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
5692
5693     num_editor_elements += num_editor_el_empty;
5694   }
5695   else
5696   {
5697     num_editor_el_empty = 0;
5698   }
5699
5700   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
5701
5702   /* fill element list */
5703   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5704   {
5705     boolean found_inactive_cascade = FALSE;
5706
5707     if (*editor_elements_info[i].setup_value)
5708     {
5709       if (setup.editor.el_headlines)
5710       {
5711         // required for correct padding of palette headline buttons
5712         int headline_size = (*editor_elements_info[i].headline_list_size > 0 ?
5713                              editor.palette.cols : 0);
5714
5715         for (j = 0; j < headline_size; j++)
5716         {
5717           // use empty elements for padding of palette headline buttons
5718           int element = (j < *editor_elements_info[i].headline_list_size ?
5719                          (*editor_elements_info[i].headline_list)[j] :
5720                          editor_el_empty[0]);
5721
5722           editor_elements[pos++] = element;
5723
5724           if (IS_EDITOR_CASCADE_INACTIVE(element))
5725             found_inactive_cascade = TRUE;
5726         }
5727       }
5728
5729       if (found_inactive_cascade)
5730         continue;
5731
5732       // required for correct padding of palette element buttons
5733       int element_list_size = *editor_elements_info[i].element_list_size;
5734       int element_rows =
5735         (element_list_size + editor.palette.cols - 1) / editor.palette.cols;
5736       int element_buttons = editor.palette.cols * element_rows;
5737
5738       // copy all elements from element list
5739       for (j = 0; j < element_list_size; j++)
5740         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
5741
5742       // use empty elements for padding of palette element buttons
5743       for (j = 0; j < element_buttons - element_list_size; j++)
5744         editor_elements[pos++] = editor_el_empty[0];
5745     }
5746   }
5747
5748   /* (this function is also called before editor gadgets are initialized!) */
5749   AdjustElementListScrollbar();
5750 }
5751
5752 void PrintEditorElementList()
5753 {
5754   boolean *stop = &setup_editor_el_user_defined;
5755   int i, j;
5756
5757   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
5758   {
5759     int cascade_element = (*editor_elements_info[i].headline_list)[0];
5760
5761     if (IS_EDITOR_CASCADE(cascade_element))
5762     {
5763       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
5764       char *headline = element_info[cascade_element_show].editor_description;
5765
5766       PrintLineWithPrefix("# ", "-", 77);
5767       Print("# %s\n", headline);
5768       PrintLineWithPrefix("# ", "-", 77);
5769     }
5770
5771     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5772     {
5773       int element = (*editor_elements_info[i].headline_list)[j];
5774
5775       if (IS_EDITOR_CASCADE(element))
5776         element = EL_CHAR_MINUS;
5777
5778       Print("# %s\n", element_info[element].token_name);
5779     }
5780
5781     if (j > 0)
5782       Print("#\n");
5783
5784     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5785     {
5786       int element = (*editor_elements_info[i].element_list)[j];
5787
5788       Print("# %s\n", element_info[element].token_name);
5789     }
5790
5791     if (j > 0)
5792       Print("#\n");
5793   }
5794 }
5795
5796 static void ReinitializeElementListButtons()
5797 {
5798   static boolean last_setup_value_headlines = FALSE;
5799   static boolean initialization_needed = TRUE;
5800   int i;
5801
5802   if (!initialization_needed)   /* check if editor element setup has changed */
5803   {
5804     if (last_setup_value_headlines != setup.editor.el_headlines)
5805       initialization_needed = TRUE;
5806
5807     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5808       if (editor_elements_info[i].last_setup_value !=
5809           *editor_elements_info[i].setup_value)
5810         initialization_needed = TRUE;
5811   }
5812
5813   if (!initialization_needed)
5814     return;
5815
5816   FreeLevelEditorGadgets();
5817   CreateLevelEditorGadgets();
5818
5819   /* store current setup values for next invocation of this function */
5820   last_setup_value_headlines = setup.editor.el_headlines;
5821   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5822     editor_elements_info[i].last_setup_value =
5823       *editor_elements_info[i].setup_value;
5824
5825   initialization_needed = FALSE;
5826 }
5827
5828 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
5829                               boolean input)
5830 {
5831   int border_graphic =
5832     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
5833   struct GraphicInfo *g = &graphic_info[border_graphic];
5834   Bitmap *src_bitmap = g->bitmap;
5835   int src_x = g->src_x;
5836   int src_y = g->src_y;
5837   int border_size = g->border_size;
5838   int border_xpos = g->width  - border_size;
5839   int border_ypos = g->height - border_size;
5840   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
5841   int i;
5842
5843   BlitBitmap(src_bitmap, drawto, src_x, src_y,
5844              border_size, border_size,
5845              dest_x - border_size, dest_y - border_size);
5846   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y,
5847              border_size, border_size,
5848              dest_x + width, dest_y - border_size);
5849   BlitBitmap(src_bitmap, drawto, src_x, src_y + border_ypos,
5850              border_size, border_size,
5851              dest_x - border_size, dest_y + height);
5852   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_ypos,
5853              border_size, border_size,
5854              dest_x + width, dest_y + height);
5855
5856   for (i = 0; i < width / tilesize; i++)
5857   {
5858     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y,
5859                tilesize, border_size,
5860                dest_x + i * tilesize, dest_y - border_size);
5861     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y + border_ypos,
5862                tilesize, border_size,
5863                dest_x + i * tilesize, dest_y + height);
5864   }
5865
5866   for (i = 0; i < height / tilesize; i++)
5867   {
5868     BlitBitmap(src_bitmap, drawto, src_x, src_y + border_size,
5869                border_size, tilesize,
5870                dest_x - border_size, dest_y + i * tilesize);
5871     BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_size,
5872                border_size, tilesize,
5873                dest_x + width, dest_y + i * tilesize);
5874   }
5875
5876   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
5877 }
5878
5879 static void DrawEditorElement(int x, int y, int element)
5880 {
5881   DrawSizedElement(x, y, element, ed_tilesize);
5882 }
5883
5884 static void DrawEditorElementThruMask(int x, int y, int element)
5885 {
5886   DrawSizedElementThruMask(x, y, element, ed_tilesize);
5887 }
5888
5889 static void DrawEditorElementOrWall(int x, int y, int scroll_x, int scroll_y)
5890 {
5891   DrawSizedElementOrWall(x, y, scroll_x, scroll_y, ed_tilesize);
5892 }
5893
5894 static void DrawEditorLevel(int size_x, int size_y, int scroll_x, int scroll_y)
5895 {
5896   DrawSizedLevel(size_x, size_y, scroll_x, scroll_y, ed_tilesize);
5897 }
5898
5899 static void DrawDrawingArea(int id)
5900 {
5901   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
5902   int x, y;
5903
5904   int *value = drawingarea_info[id].value;
5905   int area_xsize = drawingarea_info[id].area_xsize;
5906   int area_ysize = drawingarea_info[id].area_ysize;
5907   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
5908
5909   for (x = 0; x < area_xsize; x++)
5910     for (y = 0; y < area_ysize; y++)
5911       DrawSizedGraphicExt(drawto,
5912                           gi->x + x * tilesize,
5913                           gi->y + y * tilesize,
5914                           el2edimg(value[x * area_ysize + y]), 0, tilesize);
5915 }
5916
5917 static void ScrollEditorLevel(int from_x, int from_y, int scroll)
5918 {
5919   int x, y;
5920   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
5921   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
5922
5923   BlitBitmap(drawto, drawto,
5924              SX + (dx == -1 ? ed_tilesize : 0),
5925              SY + (dy == -1 ? ed_tilesize : 0),
5926              (ed_fieldx * ed_tilesize) - (dx != 0 ? ed_tilesize : 0),
5927              (ed_fieldy * ed_tilesize) - (dy != 0 ? ed_tilesize : 0),
5928              SX + (dx == +1 ? ed_tilesize : 0),
5929              SY + (dy == +1 ? ed_tilesize : 0));
5930
5931   if (dx)
5932   {
5933     x = (dx == 1 ? 0 : ed_fieldx - 1);
5934     for (y = 0; y < ed_fieldy; y++)
5935       DrawEditorElementOrWall(x, y, from_x, from_y);
5936   }
5937   else if (dy)
5938   {
5939     y = (dy == 1 ? 0 : ed_fieldy - 1);
5940     for (x = 0; x < ed_fieldx; x++)
5941       DrawEditorElementOrWall(x, y, from_x, from_y);
5942   }
5943
5944   redraw_mask |= REDRAW_FIELD;
5945   BackToFront();
5946 }
5947
5948 void getEditorGraphicSource(int element, int tile_size, Bitmap **bitmap,
5949                             int *x, int *y)
5950 {
5951   getSizedGraphicSource(el2edimg(element), 0, tile_size, bitmap, x, y);
5952 }
5953
5954 static void CreateControlButtons()
5955 {
5956   struct GadgetInfo *gi;
5957   int i;
5958
5959   /* create toolbox buttons */
5960   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
5961   {
5962     int id = controlbutton_info[i].gadget_id;
5963     int type = controlbutton_info[i].gadget_type;
5964     int graphic = controlbutton_info[i].graphic;
5965     struct XYTileSize *pos = controlbutton_info[i].pos;
5966     struct GraphicInfo *gd = &graphic_info[graphic];
5967     Bitmap *deco_bitmap = NULL;
5968     int deco_x = 0, deco_y = 0, deco_xpos = 0, deco_ypos = 0;
5969     int tile_size = 0, deco_shift = 0;
5970     boolean deco_masked = FALSE;
5971     int gd_x1 = gd->src_x;
5972     int gd_y1 = gd->src_y;
5973     int gd_x2 = gd->src_x + gd->pressed_xoffset;
5974     int gd_y2 = gd->src_y + gd->pressed_yoffset;
5975     int gd_x1a = gd->src_x + gd->active_xoffset;
5976     int gd_y1a = gd->src_y + gd->active_yoffset;
5977     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
5978     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
5979     int x = pos->x;
5980     int y = pos->y;
5981     unsigned int event_mask;
5982     int radio_button_nr = RADIO_NR_NONE;
5983     boolean checked = FALSE;
5984
5985     if (type == GD_TYPE_RADIO_BUTTON)
5986     {
5987       event_mask = GD_EVENT_PRESSED;
5988       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
5989
5990       if (id == drawing_function)
5991         checked = TRUE;
5992     }
5993     else
5994     {
5995       if (id == GADGET_ID_WRAP_LEFT ||
5996           id == GADGET_ID_WRAP_RIGHT ||
5997           id == GADGET_ID_WRAP_UP ||
5998           id == GADGET_ID_WRAP_DOWN)
5999         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6000       else
6001         event_mask = GD_EVENT_RELEASED;
6002     }
6003
6004     if (id == GADGET_ID_PROPERTIES ||
6005         id == GADGET_ID_PALETTE)
6006     {
6007       x += DX;
6008       y += DY;
6009     }
6010     else if (id == GADGET_ID_ELEMENT_LEFT ||
6011              id == GADGET_ID_ELEMENT_MIDDLE ||
6012              id == GADGET_ID_ELEMENT_RIGHT)
6013     {
6014       x += DX;
6015       y += DY;
6016
6017       int element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
6018                      id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
6019                      id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 : EL_EMPTY);
6020
6021       tile_size = BUTTON_TILE_SIZE(id == GADGET_ID_ELEMENT_LEFT ?
6022                                    editor.button.element_left.tile_size :
6023                                    id == GADGET_ID_ELEMENT_MIDDLE ?
6024                                    editor.button.element_middle.tile_size :
6025                                    id == GADGET_ID_ELEMENT_RIGHT ?
6026                                    editor.button.element_right.tile_size : 0);
6027
6028       // make sure that decoration does not overlap gadget border
6029       tile_size = MIN(tile_size, MIN(gd->width, gd->height));
6030
6031       getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x,&deco_y);
6032
6033       deco_xpos = (gd->width  - tile_size) / 2;
6034       deco_ypos = (gd->height - tile_size) / 2;
6035       deco_shift = 1;
6036       deco_masked = gd->draw_masked;
6037     }
6038     else
6039     {
6040       x += EX;
6041       y += EY;
6042     }
6043
6044     gi = CreateGadget(GDI_CUSTOM_ID, id,
6045                       GDI_CUSTOM_TYPE_ID, i,
6046                       GDI_INFO_TEXT, controlbutton_info[i].infotext,
6047                       GDI_X, x,
6048                       GDI_Y, y,
6049                       GDI_WIDTH, gd->width,
6050                       GDI_HEIGHT, gd->height,
6051                       GDI_TYPE, type,
6052                       GDI_STATE, GD_BUTTON_UNPRESSED,
6053                       GDI_RADIO_NR, radio_button_nr,
6054                       GDI_CHECKED, checked,
6055                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6056                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6057                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6058                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
6059                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
6060                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
6061                       GDI_DECORATION_SIZE, tile_size, tile_size,
6062                       GDI_DECORATION_SHIFTING, deco_shift, deco_shift,
6063                       GDI_DECORATION_MASKED, deco_masked,
6064                       GDI_EVENT_MASK, event_mask,
6065                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6066                       GDI_CALLBACK_ACTION, HandleControlButtons,
6067                       GDI_END);
6068
6069     if (gi == NULL)
6070       Error(ERR_EXIT, "cannot create gadget");
6071
6072     level_editor_gadget[id] = gi;
6073   }
6074
6075   /* these values are not constant, but can change at runtime */
6076   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
6077   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
6078   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
6079   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
6080   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
6081   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
6082   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
6083   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
6084   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].x    = ED_SCROLL2_UP_XPOS;
6085   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].y    = ED_SCROLL2_UP_YPOS;
6086   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].x  = ED_SCROLL2_DOWN_XPOS;
6087   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].y  = ED_SCROLL2_DOWN_YPOS;
6088
6089   /* create buttons for scrolling of drawing area and element list */
6090   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
6091   {
6092     int id = scrollbutton_info[i].gadget_id;
6093     int graphic = scrollbutton_info[i].graphic;
6094     struct GraphicInfo *gd = &graphic_info[graphic];
6095     Bitmap *gd_bitmap = gd->bitmap;
6096     int gd_x1 = gd->src_x;
6097     int gd_y1 = gd->src_y;
6098     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6099     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6100     int width  = gd->width;
6101     int height = gd->height;
6102     int x = scrollbutton_pos[i].x;
6103     int y = scrollbutton_pos[i].y;
6104     unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6105
6106     if (id == GADGET_ID_SCROLL_LIST_UP ||
6107         id == GADGET_ID_SCROLL_LIST_DOWN)
6108     {
6109       x += PX;
6110       y += PY;
6111     }
6112     else
6113     {
6114       x += SX;
6115       y += SY;
6116     }
6117
6118     gi = CreateGadget(GDI_CUSTOM_ID, id,
6119                       GDI_CUSTOM_TYPE_ID, i,
6120                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
6121                       GDI_X, x,
6122                       GDI_Y, y,
6123                       GDI_WIDTH, width,
6124                       GDI_HEIGHT, height,
6125                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6126                       GDI_STATE, GD_BUTTON_UNPRESSED,
6127                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6128                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6129                       GDI_EVENT_MASK, event_mask,
6130                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6131                       GDI_CALLBACK_ACTION, HandleControlButtons,
6132                       GDI_END);
6133
6134     if (gi == NULL)
6135       Error(ERR_EXIT, "cannot create gadget");
6136
6137     level_editor_gadget[id] = gi;
6138   }
6139
6140   /* create buttons for element list */
6141   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
6142   {
6143     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
6144     int graphic = IMG_EDITOR_PALETTE_BUTTON;
6145     struct GraphicInfo *gd = &graphic_info[graphic];
6146     Bitmap *gd_bitmap = gd->bitmap;
6147     Bitmap *deco_bitmap;
6148     int deco_x, deco_y, deco_xpos, deco_ypos;
6149     int gd_x1 = gd->src_x;
6150     int gd_y1 = gd->src_y;
6151     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6152     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6153     int xx = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
6154     int yy = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
6155     int x = PX + ED_ELEMENTLIST_XPOS + xx * gd->width;
6156     int y = PY + ED_ELEMENTLIST_YPOS + yy * gd->height;
6157     int element = editor_elements[i];
6158     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
6159     unsigned int event_mask = GD_EVENT_RELEASED;
6160
6161     getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
6162
6163     deco_xpos = (gd->width  - tile_size) / 2;
6164     deco_ypos = (gd->height - tile_size) / 2;
6165
6166     gi = CreateGadget(GDI_CUSTOM_ID, id,
6167                       GDI_CUSTOM_TYPE_ID, i,
6168                       GDI_INFO_TEXT, getElementInfoText(element),
6169                       GDI_X, x,
6170                       GDI_Y, y,
6171                       GDI_WIDTH, gd->width,
6172                       GDI_HEIGHT, gd->height,
6173                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6174                       GDI_STATE, GD_BUTTON_UNPRESSED,
6175                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6176                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6177                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
6178                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
6179                       GDI_DECORATION_SIZE, tile_size, tile_size,
6180                       GDI_DECORATION_SHIFTING, 1, 1,
6181                       GDI_EVENT_MASK, event_mask,
6182                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6183                       GDI_CALLBACK_ACTION, HandleControlButtons,
6184                       GDI_END);
6185
6186     if (gi == NULL)
6187       Error(ERR_EXIT, "cannot create gadget");
6188
6189     level_editor_gadget[id] = gi;
6190   }
6191 }
6192
6193 static void CreateCounterButtons()
6194 {
6195   int max_infotext_len = getMaxInfoTextLength();
6196   int i;
6197
6198   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
6199   {
6200     int j;
6201     int x = SX + ED_SETTINGS_X(counterbutton_info[i].x); /* down count button */
6202     int y = SY + ED_SETTINGS_Y(counterbutton_info[i].y);
6203
6204     /* determine horizontal position to the right of specified gadget */
6205     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6206       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
6207            ED_GADGET_TEXT_DISTANCE);
6208
6209     /* determine horizontal offset for leading text */
6210     if (counterbutton_info[i].text_left != NULL)
6211       x += getTextWidthForGadget(counterbutton_info[i].text_left);
6212
6213     for (j = 0; j < 2; j++)
6214     {
6215       struct GadgetInfo *gi;
6216       int id = (j == 0 ?
6217                 counterbutton_info[i].gadget_id_down :
6218                 counterbutton_info[i].gadget_id_up);
6219       int graphic;
6220       struct GraphicInfo *gd;
6221       int gd_x1, gd_x2, gd_y1, gd_y2;
6222       unsigned int event_mask;
6223       char infotext[max_infotext_len + 1];
6224
6225       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6226
6227       if (i == ED_COUNTER_ID_SELECT_LEVEL)
6228       {
6229         graphic = (j == 0 ?
6230                    IMG_GFX_EDITOR_BUTTON_PREV_LEVEL :
6231                    IMG_GFX_EDITOR_BUTTON_NEXT_LEVEL);
6232
6233         event_mask |= GD_EVENT_RELEASED;
6234
6235         if (j == 0)
6236         {
6237           x = DX + editor.button.prev_level.x;
6238           y = DY + editor.button.prev_level.y;
6239         }
6240         else
6241         {
6242           x = DX + editor.button.next_level.x;
6243           y = DY + editor.button.next_level.y;
6244         }
6245       }
6246       else
6247       {
6248         graphic = (j == 0 ?
6249                    IMG_EDITOR_COUNTER_DOWN :
6250                    IMG_EDITOR_COUNTER_UP);
6251       }
6252
6253       gd = &graphic_info[graphic];
6254
6255       gd_x1 = gd->src_x;
6256       gd_y1 = gd->src_y;
6257       gd_x2 = gd->src_x + gd->pressed_xoffset;
6258       gd_y2 = gd->src_y + gd->pressed_yoffset;
6259
6260       sprintf(infotext, "%s counter value by 1, 5 or 10",
6261               (j == 0 ? "decrease" : "increase"));
6262
6263       gi = CreateGadget(GDI_CUSTOM_ID, id,
6264                         GDI_CUSTOM_TYPE_ID, i,
6265                         GDI_INFO_TEXT, infotext,
6266                         GDI_X, x,
6267                         GDI_Y, y,
6268                         GDI_WIDTH, gd->width,
6269                         GDI_HEIGHT, gd->height,
6270                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6271                         GDI_STATE, GD_BUTTON_UNPRESSED,
6272                         GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6273                         GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6274                         GDI_EVENT_MASK, event_mask,
6275                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6276                         GDI_CALLBACK_ACTION, HandleCounterButtons,
6277                         GDI_END);
6278
6279       if (gi == NULL)
6280         Error(ERR_EXIT, "cannot create gadget");
6281
6282       level_editor_gadget[id] = gi;
6283       right_gadget_border[id] =
6284         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
6285
6286       x += gi->width + ED_GADGET_SMALL_DISTANCE;        /* text count button */
6287
6288       if (j == 0)
6289       {
6290         int font_type = FONT_INPUT_1;
6291         int font_type_active = FONT_INPUT_1_ACTIVE;
6292
6293         id = counterbutton_info[i].gadget_id_text;
6294
6295         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6296
6297         if (i == ED_COUNTER_ID_SELECT_LEVEL)
6298         {
6299           graphic = IMG_GFX_EDITOR_INPUT_LEVEL_NUMBER;
6300
6301           font_type = FONT_LEVEL_NUMBER;
6302           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
6303
6304           x = DX + editor.input.level_number.x;
6305           y = DY + editor.input.level_number.y;
6306         }
6307         else
6308         {
6309           graphic = IMG_EDITOR_COUNTER_INPUT;
6310         }
6311
6312         gd = &graphic_info[graphic];
6313
6314         gd_x1 = gd->src_x;
6315         gd_y1 = gd->src_y;
6316         gd_x2 = gd->src_x + gd->active_xoffset;
6317         gd_y2 = gd->src_y + gd->active_yoffset;
6318
6319         gi = CreateGadget(GDI_CUSTOM_ID, id,
6320                           GDI_CUSTOM_TYPE_ID, i,
6321                           GDI_INFO_TEXT, "enter counter value",
6322                           GDI_X, x,
6323                           GDI_Y, y,
6324                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
6325                           GDI_NUMBER_VALUE, 0,
6326                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
6327                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
6328                           GDI_TEXT_SIZE, 3,     /* minimal counter text size */
6329                           GDI_TEXT_FONT, font_type,
6330                           GDI_TEXT_FONT_ACTIVE, font_type_active,
6331                           GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6332                           GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6333                           GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6334                           GDI_DESIGN_WIDTH, gd->width,
6335                           GDI_EVENT_MASK, event_mask,
6336                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6337                           GDI_CALLBACK_ACTION, HandleCounterButtons,
6338                           GDI_END);
6339
6340         if (gi == NULL)
6341           Error(ERR_EXIT, "cannot create gadget");
6342
6343         level_editor_gadget[id] = gi;
6344         right_gadget_border[id] =
6345           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
6346
6347         x += gi->width + ED_GADGET_SMALL_DISTANCE;      /* up count button */
6348       }
6349     }
6350   }
6351 }
6352
6353 static void CreateDrawingAreas()
6354 {
6355   int i;
6356
6357   /* these values are not constant, but can change at runtime */
6358   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
6359   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
6360
6361   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
6362   {
6363     struct GadgetInfo *gi;
6364     unsigned int event_mask;
6365     int id = drawingarea_info[i].gadget_id;
6366     int x = SX + ED_AREA_SETTINGS_X(drawingarea_info[i]);
6367     int y = SY + ED_AREA_SETTINGS_Y(drawingarea_info[i]);
6368     int area_xsize = drawingarea_info[i].area_xsize;
6369     int area_ysize = drawingarea_info[i].area_ysize;
6370     int item_size = (id == GADGET_ID_DRAWING_LEVEL ?
6371                      ed_tilesize : ED_DRAWINGAREA_TILE_SIZE);
6372
6373     event_mask =
6374       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
6375       GD_EVENT_OFF_BORDERS | GD_EVENT_PIXEL_PRECISE;
6376
6377     /* determine horizontal position to the right of specified gadget */
6378     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
6379       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
6380            ED_DRAWINGAREA_TEXT_DISTANCE);
6381
6382     /* determine horizontal offset for leading text */
6383     if (drawingarea_info[i].text_left != NULL)
6384       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
6385
6386     gi = CreateGadget(GDI_CUSTOM_ID, id,
6387                       GDI_CUSTOM_TYPE_ID, i,
6388                       GDI_X, x,
6389                       GDI_Y, y,
6390                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
6391                       GDI_AREA_SIZE, area_xsize, area_ysize,
6392                       GDI_ITEM_SIZE, item_size, item_size,
6393                       GDI_EVENT_MASK, event_mask,
6394                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
6395                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
6396                       GDI_END);
6397
6398     if (gi == NULL)
6399       Error(ERR_EXIT, "cannot create gadget");
6400
6401     level_editor_gadget[id] = gi;
6402     right_gadget_border[id] =
6403       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
6404   }
6405 }
6406
6407 static void CreateTextInputGadgets()
6408 {
6409   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
6410   int max_infotext_len = getMaxInfoTextLength();
6411   int i;
6412
6413   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
6414   {
6415     int gd_x1 = gd->src_x;
6416     int gd_y1 = gd->src_y;
6417     int gd_x2 = gd->src_x + gd->active_xoffset;
6418     int gd_y2 = gd->src_y + gd->active_yoffset;
6419     struct GadgetInfo *gi;
6420     unsigned int event_mask;
6421     char infotext[MAX_OUTPUT_LINESIZE + 1];
6422     int id = textinput_info[i].gadget_id;
6423     int x, y;
6424
6425     if (i == ED_TEXTINPUT_ID_ELEMENT_NAME)
6426     {
6427       int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
6428       int border_size = gd->border_size;
6429       int font_nr = FONT_INPUT_1;
6430       int font_height = getFontHeight(font_nr);
6431       int xoffset = element_border + TILEX + element_border + 3 * border_size;
6432       int yoffset = element_border + (TILEY - font_height) / 2;
6433
6434       x = (editor.settings.element_name.x != -1 ?
6435            editor.settings.element_name.x :
6436            editor.settings.element_graphic.x + xoffset) - border_size;
6437       y = (editor.settings.element_name.y != -1 ?
6438            editor.settings.element_name.y :
6439            editor.settings.element_graphic.y + yoffset) - border_size;
6440     }
6441     else
6442     {
6443       x = ED_SETTINGS_X(textinput_info[i].x);
6444       y = ED_SETTINGS_Y(textinput_info[i].y);
6445     }
6446
6447     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6448
6449     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
6450     infotext[max_infotext_len] = '\0';
6451
6452     gi = CreateGadget(GDI_CUSTOM_ID, id,
6453                       GDI_CUSTOM_TYPE_ID, i,
6454                       GDI_INFO_TEXT, infotext,
6455                       GDI_X, SX + x,
6456                       GDI_Y, SY + y,
6457                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
6458                       GDI_TEXT_VALUE, textinput_info[i].value,
6459                       GDI_TEXT_SIZE, textinput_info[i].size,
6460                       GDI_TEXT_FONT, FONT_INPUT_1,
6461                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6462                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6463                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6464                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6465                       GDI_DESIGN_WIDTH, gd->width,
6466                       GDI_EVENT_MASK, event_mask,
6467                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6468                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
6469                       GDI_END);
6470
6471     if (gi == NULL)
6472       Error(ERR_EXIT, "cannot create gadget");
6473
6474     level_editor_gadget[id] = gi;
6475   }
6476 }
6477
6478 static void CreateTextAreaGadgets()
6479 {
6480   int max_infotext_len = getMaxInfoTextLength();
6481   int i;
6482
6483   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
6484   {
6485     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXTAREA];
6486     int gd_x1 = gd->src_x;
6487     int gd_y1 = gd->src_y;
6488     int gd_x2 = gd->src_x + gd->active_xoffset;
6489     int gd_y2 = gd->src_y + gd->active_yoffset;
6490     struct GadgetInfo *gi;
6491     unsigned int event_mask;
6492     char infotext[MAX_OUTPUT_LINESIZE + 1];
6493     int id = textarea_info[i].gadget_id;
6494     int area_xsize = textarea_info[i].xsize;
6495     int area_ysize = textarea_info[i].ysize;
6496
6497     event_mask = GD_EVENT_TEXT_LEAVING;
6498
6499     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
6500     infotext[max_infotext_len] = '\0';
6501
6502     gi = CreateGadget(GDI_CUSTOM_ID, id,
6503                       GDI_CUSTOM_TYPE_ID, i,
6504                       GDI_INFO_TEXT, infotext,
6505                       GDI_X, SX + ED_SETTINGS_X(textarea_info[i].x),
6506                       GDI_Y, SY + ED_SETTINGS_Y(textarea_info[i].y),
6507                       GDI_TYPE, GD_TYPE_TEXT_AREA,
6508                       GDI_AREA_SIZE, area_xsize, area_ysize,
6509                       GDI_TEXT_FONT, FONT_INPUT_1,
6510                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6511                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6512                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6513                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6514                       GDI_DESIGN_WIDTH, gd->width,
6515                       GDI_EVENT_MASK, event_mask,
6516                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6517                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
6518                       GDI_END);
6519
6520     if (gi == NULL)
6521       Error(ERR_EXIT, "cannot create gadget");
6522
6523     level_editor_gadget[id] = gi;
6524   }
6525 }
6526
6527 static void CreateSelectboxGadgets()
6528 {
6529   int max_infotext_len = getMaxInfoTextLength();
6530   int i, j;
6531
6532   for (i = 0; i < ED_NUM_SELECTBOX; i++)
6533   {
6534     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_SELECTBOX_INPUT];
6535     struct GraphicInfo *gd2 = &graphic_info[IMG_EDITOR_SELECTBOX_BUTTON];
6536     int gd_x1 = gd->src_x;
6537     int gd_y1 = gd->src_y;
6538     int gd_x2 = gd->src_x + gd->active_xoffset;
6539     int gd_y2 = gd->src_y + gd->active_yoffset;
6540     int selectbox_button_xsize = gd2->width;
6541     struct GadgetInfo *gi;
6542     unsigned int event_mask;
6543     char infotext[MAX_OUTPUT_LINESIZE + 1];
6544     int id = selectbox_info[i].gadget_id;
6545     int x = SX + ED_SETTINGS_X(selectbox_info[i].x);
6546     int y = SY + ED_SETTINGS_Y(selectbox_info[i].y);
6547
6548     if (selectbox_info[i].size == -1)   /* dynamically determine size */
6549     {
6550       /* (we cannot use -1 for uninitialized values if we directly compare
6551          with results from strlen(), because the '<' and '>' operation will
6552          implicitely cast -1 to an unsigned integer value!) */
6553       selectbox_info[i].size = 0;
6554
6555       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
6556         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
6557           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
6558
6559       selectbox_info[i].size++;         /* add one character empty space */
6560     }
6561
6562     event_mask = GD_EVENT_RELEASED |
6563       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6564
6565     /* determine horizontal position to the right of specified gadget */
6566     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
6567       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
6568            ED_GADGET_TEXT_DISTANCE);
6569
6570     /* determine horizontal offset for leading text */
6571     if (selectbox_info[i].text_left != NULL)
6572       x += getTextWidthForGadget(selectbox_info[i].text_left);
6573
6574     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
6575     infotext[max_infotext_len] = '\0';
6576
6577     gi = CreateGadget(GDI_CUSTOM_ID, id,
6578                       GDI_CUSTOM_TYPE_ID, i,
6579                       GDI_INFO_TEXT, infotext,
6580                       GDI_X, x,
6581                       GDI_Y, y,
6582                       GDI_TYPE, GD_TYPE_SELECTBOX,
6583                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
6584                       GDI_SELECTBOX_CHAR_UNSELECTABLE, '[',
6585                       GDI_TEXT_SIZE, selectbox_info[i].size,
6586                       GDI_TEXT_FONT, FONT_INPUT_1,
6587                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6588                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
6589                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6590                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6591                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6592                       GDI_BORDER_SIZE_SELECTBUTTON, selectbox_button_xsize,
6593                       GDI_DESIGN_WIDTH, gd->width,
6594                       GDI_EVENT_MASK, event_mask,
6595                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6596                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
6597                       GDI_END);
6598
6599     if (gi == NULL)
6600       Error(ERR_EXIT, "cannot create gadget");
6601
6602     level_editor_gadget[id] = gi;
6603     right_gadget_border[id] =
6604       getRightGadgetBorder(gi, selectbox_info[i].text_right);
6605   }
6606 }
6607
6608 static void CreateTextbuttonGadgets()
6609 {
6610   int max_infotext_len = getMaxInfoTextLength();
6611   int i;
6612
6613   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
6614   {
6615     int id = textbutton_info[i].gadget_id;
6616     int is_tab_button =
6617       ((id >= GADGET_ID_LEVELINFO_LEVEL && id <= GADGET_ID_LEVELINFO_EDITOR) ||
6618        (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE));
6619     int graphic =
6620       (is_tab_button ? IMG_EDITOR_TABBUTTON : IMG_EDITOR_TEXTBUTTON);
6621     int gadget_distance =
6622       (is_tab_button ? ED_GADGET_SMALL_DISTANCE : ED_GADGET_TEXT_DISTANCE);
6623     struct GraphicInfo *gd = &graphic_info[graphic];
6624     int gd_x1 = gd->src_x;
6625     int gd_y1 = gd->src_y;
6626     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6627     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6628     int gd_x1a = gd->src_x + gd->active_xoffset;
6629     int gd_y1a = gd->src_y + gd->active_yoffset;
6630     int border_xsize = gd->border_size + gd->draw_xoffset;
6631     int border_ysize = gd->border_size;
6632     struct GadgetInfo *gi;
6633     unsigned int event_mask;
6634     char infotext[MAX_OUTPUT_LINESIZE + 1];
6635     int x = SX + ED_SETTINGS_X(textbutton_info[i].x);
6636     int y = SY + ED_SETTINGS_Y(textbutton_info[i].y);
6637
6638     if (textbutton_info[i].size == -1)  /* dynamically determine size */
6639       textbutton_info[i].size = strlen(textbutton_info[i].text);
6640
6641     event_mask = GD_EVENT_RELEASED;
6642
6643     sprintf(infotext, "%s", textbutton_info[i].infotext);
6644     infotext[max_infotext_len] = '\0';
6645
6646     /* determine horizontal position to the right of specified gadget */
6647     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6648     {
6649       int gadget_id_align = textbutton_info[i].gadget_id_align;
6650
6651       x = right_gadget_border[gadget_id_align] + gadget_distance;
6652
6653       if (textbutton_info[i].y == -1)
6654         y = level_editor_gadget[gadget_id_align]->y;
6655     }
6656
6657     /* determine horizontal offset for leading text */
6658     if (textbutton_info[i].text_left != NULL)
6659       x += getTextWidthForGadget(textbutton_info[i].text_left);
6660
6661     gi = CreateGadget(GDI_CUSTOM_ID, id,
6662                       GDI_CUSTOM_TYPE_ID, i,
6663                       GDI_INFO_TEXT, infotext,
6664                       GDI_X, x,
6665                       GDI_Y, y,
6666                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
6667                       GDI_TEXT_VALUE, textbutton_info[i].text,
6668                       GDI_TEXT_SIZE, textbutton_info[i].size,
6669                       GDI_TEXT_FONT, FONT_INPUT_2,
6670                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2_ACTIVE,
6671                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6672                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6673                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6674                       GDI_BORDER_SIZE, border_xsize, border_ysize,
6675                       GDI_DESIGN_WIDTH, gd->width,
6676                       GDI_DECORATION_SHIFTING, 1, 1,
6677                       GDI_EVENT_MASK, event_mask,
6678                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6679                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
6680                       GDI_END);
6681
6682     if (gi == NULL)
6683       Error(ERR_EXIT, "cannot create gadget");
6684
6685     level_editor_gadget[id] = gi;
6686     right_gadget_border[id] =
6687       getRightGadgetBorder(gi, textbutton_info[i].text_right);
6688   }
6689 }
6690
6691 static void CreateGraphicbuttonGadgets()
6692 {
6693   struct GadgetInfo *gi;
6694   unsigned int event_mask;
6695   int i;
6696
6697   /* create buttons for scrolling of drawing area and element list */
6698   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
6699   {
6700     int id = graphicbutton_info[i].gadget_id;
6701     int x = SX + ED_SETTINGS_X(graphicbutton_info[i].x);
6702     int y = SY + ED_SETTINGS_Y(graphicbutton_info[i].y);
6703     struct GraphicInfo *gd = &graphic_info[graphicbutton_info[i].graphic];
6704     int gd_x1 = gd->src_x;
6705     int gd_y1 = gd->src_y;
6706     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6707     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6708
6709     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6710
6711     /* determine horizontal position to the right of specified gadget */
6712     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6713       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
6714            ED_GADGET_TEXT_DISTANCE);
6715
6716     /* determine horizontal offset for leading text */
6717     if (graphicbutton_info[i].text_left != NULL)
6718       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
6719
6720     gi = CreateGadget(GDI_CUSTOM_ID, id,
6721                       GDI_CUSTOM_TYPE_ID, i,
6722                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
6723                       GDI_X, x,
6724                       GDI_Y, y,
6725                       GDI_WIDTH, gd->width,
6726                       GDI_HEIGHT, gd->height,
6727                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6728                       GDI_STATE, GD_BUTTON_UNPRESSED,
6729                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6730                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6731                       GDI_EVENT_MASK, event_mask,
6732                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6733                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
6734                       GDI_END);
6735
6736     if (gi == NULL)
6737       Error(ERR_EXIT, "cannot create gadget");
6738
6739     level_editor_gadget[id] = gi;
6740     right_gadget_border[id] =
6741       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
6742   }
6743 }
6744
6745 static void CreateScrollbarGadgets()
6746 {
6747   int i;
6748
6749   /* these values are not constant, but can change at runtime */
6750   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
6751     SX + ED_SCROLL_HORIZONTAL_XPOS;
6752   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
6753     SY + ED_SCROLL_HORIZONTAL_YPOS;
6754   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
6755     ED_SCROLL_HORIZONTAL_XSIZE;
6756   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
6757     ED_SCROLL_HORIZONTAL_YSIZE;
6758   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
6759   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
6760   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
6761   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
6762
6763   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
6764     SX + ED_SCROLL_VERTICAL_XPOS;
6765   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
6766     SY + ED_SCROLL_VERTICAL_YPOS;
6767   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
6768     ED_SCROLL_VERTICAL_XSIZE;
6769   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
6770     ED_SCROLL_VERTICAL_YSIZE;
6771   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
6772   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
6773   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
6774   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
6775
6776   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
6777     PX + ED_SCROLL2_VERTICAL_XPOS;
6778   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
6779     PY + ED_SCROLL2_VERTICAL_YPOS;
6780   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
6781     ED_SCROLL2_VERTICAL_XSIZE;
6782   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
6783     ED_SCROLL2_VERTICAL_YSIZE;
6784   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = PX;
6785   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = PY;
6786   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = PXSIZE;
6787   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = PYSIZE;
6788
6789   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
6790   {
6791     int id = scrollbar_info[i].gadget_id;
6792     int graphic = scrollbar_info[i].graphic;
6793     struct GraphicInfo *gd = &graphic_info[graphic];
6794     int gd_x1 = gd->src_x;
6795     int gd_y1 = gd->src_y;
6796     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6797     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6798     struct GadgetInfo *gi;
6799     int items_max, items_visible, item_position;
6800     unsigned int event_mask;
6801
6802     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
6803     {
6804       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
6805       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
6806       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
6807     }
6808     else        /* drawing area scrollbars */
6809     {
6810       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
6811       {
6812         items_max = MAX(lev_fieldx + 2, ed_fieldx);
6813         items_visible = ed_fieldx;
6814         item_position = 0;
6815       }
6816       else
6817       {
6818         items_max = MAX(lev_fieldy + 2, ed_fieldy);
6819         items_visible = ed_fieldy;
6820         item_position = 0;
6821       }
6822     }
6823
6824     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
6825
6826     gi = CreateGadget(GDI_CUSTOM_ID, id,
6827                       GDI_CUSTOM_TYPE_ID, i,
6828                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
6829                       GDI_X, scrollbar_pos[i].x,
6830                       GDI_Y, scrollbar_pos[i].y,
6831                       GDI_WIDTH, scrollbar_pos[i].width,
6832                       GDI_HEIGHT, scrollbar_pos[i].height,
6833                       GDI_TYPE, scrollbar_info[i].type,
6834                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
6835                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
6836                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
6837                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
6838                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
6839                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
6840                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
6841                       GDI_STATE, GD_BUTTON_UNPRESSED,
6842                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6843                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6844                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6845                       GDI_EVENT_MASK, event_mask,
6846                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6847                       GDI_CALLBACK_ACTION, HandleControlButtons,
6848                       GDI_END);
6849
6850     if (gi == NULL)
6851       Error(ERR_EXIT, "cannot create gadget");
6852
6853     level_editor_gadget[id] = gi;
6854   }
6855 }
6856
6857 static void CreateCheckbuttonGadgets()
6858 {
6859   struct GadgetInfo *gi;
6860   unsigned int event_mask;
6861   int i;
6862
6863   event_mask = GD_EVENT_PRESSED;
6864
6865   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
6866   {
6867     int id = checkbutton_info[i].gadget_id;
6868     int graphic = (id == GADGET_ID_STICK_ELEMENT ? IMG_EDITOR_STICKYBUTTON :
6869                    IMG_EDITOR_CHECKBOX);
6870     struct GraphicInfo *gd = &graphic_info[graphic];
6871     int gd_x1 = gd->src_x;
6872     int gd_y1 = gd->src_y;
6873     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6874     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6875     int gd_x1a = gd->src_x + gd->active_xoffset;
6876     int gd_y1a = gd->src_y + gd->active_yoffset;
6877     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
6878     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
6879     int x = SX + ED_SETTINGS_X(checkbutton_info[i].x);
6880     int y = SY + ED_SETTINGS_Y(checkbutton_info[i].y);
6881
6882     /* determine horizontal position to the right of specified gadget */
6883     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6884       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
6885            ED_GADGET_TEXT_DISTANCE);
6886
6887     /* determine horizontal offset for leading text */
6888     if (checkbutton_info[i].text_left != NULL)
6889       x += getTextWidthForGadget(checkbutton_info[i].text_left);
6890
6891     gi = CreateGadget(GDI_CUSTOM_ID, id,
6892                       GDI_CUSTOM_TYPE_ID, i,
6893                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
6894                       GDI_X, x,
6895                       GDI_Y, y,
6896                       GDI_WIDTH, gd->width,
6897                       GDI_HEIGHT, gd->height,
6898                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
6899                       GDI_CHECKED, *checkbutton_info[i].value,
6900                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6901                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6902                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6903                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
6904                       GDI_EVENT_MASK, event_mask,
6905                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6906                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
6907                       GDI_END);
6908
6909     if (gi == NULL)
6910       Error(ERR_EXIT, "cannot create gadget");
6911
6912     level_editor_gadget[id] = gi;
6913     right_gadget_border[id] =
6914       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
6915   }
6916 }
6917
6918 static void CreateRadiobuttonGadgets()
6919 {
6920   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_RADIOBUTTON];
6921   int gd_x1 = gd->src_x;
6922   int gd_y1 = gd->src_y;
6923   int gd_x2 = gd->src_x + gd->pressed_xoffset;
6924   int gd_y2 = gd->src_y + gd->pressed_yoffset;
6925   int gd_x1a = gd->src_x + gd->active_xoffset;
6926   int gd_y1a = gd->src_y + gd->active_yoffset;
6927   int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
6928   int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
6929   struct GadgetInfo *gi;
6930   unsigned int event_mask;
6931   int i;
6932
6933   event_mask = GD_EVENT_PRESSED;
6934
6935   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
6936   {
6937     int id = radiobutton_info[i].gadget_id;
6938     int x = SX + ED_SETTINGS_X(radiobutton_info[i].x);
6939     int y = SY + ED_SETTINGS_Y(radiobutton_info[i].y);
6940
6941     int checked =
6942       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
6943
6944     /* determine horizontal position to the right of specified gadget */
6945     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
6946       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
6947            ED_GADGET_TEXT_DISTANCE);
6948
6949     /* determine horizontal offset for leading text */
6950     if (radiobutton_info[i].text_left != NULL)
6951       x += getTextWidthForGadget(radiobutton_info[i].text_left);
6952
6953     gi = CreateGadget(GDI_CUSTOM_ID, id,
6954                       GDI_CUSTOM_TYPE_ID, i,
6955                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
6956                       GDI_X, x,
6957                       GDI_Y, y,
6958                       GDI_WIDTH, gd->width,
6959                       GDI_HEIGHT, gd->height,
6960                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
6961                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
6962                       GDI_CHECKED, checked,
6963                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6964                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6965                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6966                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
6967                       GDI_EVENT_MASK, event_mask,
6968                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6969                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
6970                       GDI_END);
6971
6972     if (gi == NULL)
6973       Error(ERR_EXIT, "cannot create gadget");
6974
6975     level_editor_gadget[id] = gi;
6976     right_gadget_border[id] =
6977       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
6978   }
6979 }
6980
6981 void CreateLevelEditorGadgets()
6982 {
6983   /* force EDITOR font inside level editor */
6984   SetFontStatus(GAME_MODE_EDITOR);
6985
6986   /* these values are not constant, but can change at runtime */
6987   ed_fieldx = MAX_ED_FIELDX - 1;
6988   ed_fieldy = MAX_ED_FIELDY - 1;
6989
6990   num_editor_gadgets = NUM_EDITOR_GADGETS;
6991
6992   // printf("::: allocating %d gadgets ...\n", num_editor_gadgets);
6993
6994   level_editor_gadget =
6995     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
6996   right_gadget_border =
6997     checked_calloc(num_editor_gadgets * sizeof(int));
6998
6999   editor_el_empty = checked_calloc(ED_NUM_ELEMENTLIST_BUTTONS * sizeof(int));
7000   editor_el_empty_ptr = editor_el_empty;
7001
7002   use_permanent_palette = !editor.palette.show_as_separate_screen;
7003
7004   ReinitializeElementList();
7005
7006   CreateControlButtons();
7007   CreateScrollbarGadgets();
7008
7009   /* order of function calls is important because of cross-references */
7010   CreateCheckbuttonGadgets();
7011   CreateCounterButtons();
7012   CreateRadiobuttonGadgets();
7013   CreateTextInputGadgets();
7014   CreateTextAreaGadgets();
7015   CreateSelectboxGadgets();
7016   CreateGraphicbuttonGadgets();
7017   CreateTextbuttonGadgets();
7018   CreateDrawingAreas();
7019
7020   ResetFontStatus();
7021 }
7022
7023 void FreeLevelEditorGadgets()
7024 {
7025   int i;
7026
7027   // printf("::: freeing %d gadgets ...\n", num_editor_gadgets);
7028
7029   for (i = 0; i < num_editor_gadgets; i++)
7030   {
7031     FreeGadget(level_editor_gadget[i]);
7032
7033     level_editor_gadget[i] = NULL;
7034   }
7035
7036   checked_free(level_editor_gadget);
7037   checked_free(right_gadget_border);
7038
7039   checked_free(editor_el_empty);
7040 }
7041
7042 static void MapCounterButtons(int id)
7043 {
7044   int font_nr = FONT_TEXT_1;
7045   int font_height = getFontHeight(font_nr);
7046   int gadget_id_down = counterbutton_info[id].gadget_id_down;
7047   int gadget_id_text = counterbutton_info[id].gadget_id_text;
7048   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
7049   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
7050   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
7051   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
7052   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
7053   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7054   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7055   int yoffset = (gi_down->height - font_height) / 2;
7056   int x_left = gi_down->x - xoffset_left;
7057   int x_right;  /* set after gadget position was modified */
7058   int y_above = gi_down->y - yoffset_above;
7059   int x = gi_down->x;
7060   int y;        /* set after gadget position was modified */
7061
7062   /* counter limits must be changed first to prevent value truncation */
7063   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
7064                             counterbutton_info[id].max_value);
7065
7066   /* right text position might have changed after setting position above */
7067   x_right = gi_up->x + gi_up->width + xoffset_right;
7068
7069   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
7070
7071   /* set position for "value[1,2,3,4]" counter gadgets (score in most cases) */
7072   if (id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
7073       id <= ED_COUNTER_ID_ELEMENT_VALUE4)
7074   {
7075     ModifyGadget(gi_down, GDI_Y,
7076                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7077     ModifyGadget(gi_text, GDI_Y,
7078                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7079     ModifyGadget(gi_up,   GDI_Y,
7080                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7081   }
7082
7083   /* vertical position might have changed after setting position above */
7084   y = gi_up->y + yoffset;
7085
7086   if (counterbutton_info[id].text_above)
7087     DrawText(x, y_above, counterbutton_info[id].text_above, font_nr);
7088
7089   if (counterbutton_info[id].text_left)
7090     DrawText(x_left, y, counterbutton_info[id].text_left, font_nr);
7091
7092   if (counterbutton_info[id].text_right)
7093     DrawText(x_right, y, counterbutton_info[id].text_right, font_nr);
7094
7095   MapGadget(gi_down);
7096   MapGadget(gi_text);
7097   MapGadget(gi_up);
7098 }
7099
7100 static void MapControlButtons()
7101 {
7102   int counter_id;
7103   int i;
7104
7105   /* map toolbox buttons (excluding special CE toolbox buttons) */
7106   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
7107     MapGadget(level_editor_gadget[i]);
7108
7109   /* map toolbox buttons (element properties buttons) */
7110   for (i = ED_NUM_CTRL1_4_BUTTONS; i < ED_NUM_CTRL1_7_BUTTONS; i++)
7111     MapGadget(level_editor_gadget[i]);
7112
7113   if (use_permanent_palette)
7114   {
7115     /* map buttons to select elements */
7116     for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7117       MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
7118     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
7119     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
7120     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
7121   }
7122
7123   /* map buttons to select level */
7124   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
7125   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
7126   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
7127   MapCounterButtons(counter_id);
7128 }
7129
7130 static void MapDrawingArea(int id)
7131 {
7132   int font_nr = FONT_TEXT_1;
7133   int font_height = getFontHeight(font_nr);
7134   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7135   int area_xsize = gi->drawing.area_xsize;
7136   int area_ysize = gi->drawing.area_ysize;
7137   int xoffset_left = getTextWidthForDrawingArea(drawingarea_info[id].text_left);
7138   int xoffset_below = getTextWidth(drawingarea_info[id].text_below, font_nr);
7139   int x_left  = gi->x - xoffset_left;
7140   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
7141   int x_below = gi->x + (gi->width - xoffset_below) / 2;
7142   int y_side  = gi->y + (gi->height - font_height) / 2;
7143   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
7144
7145   if (drawingarea_info[id].text_left)
7146     DrawText(x_left, y_side, drawingarea_info[id].text_left, font_nr);
7147
7148   if (drawingarea_info[id].text_right)
7149     DrawText(x_right, y_side, drawingarea_info[id].text_right, font_nr);
7150
7151   if (drawingarea_info[id].text_below)
7152     DrawText(x_below, y_below, drawingarea_info[id].text_below, font_nr);
7153
7154   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
7155   {
7156     DrawElementBorder(gi->x, gi->y,
7157                       area_xsize * ED_DRAWINGAREA_TILE_SIZE,
7158                       area_ysize * ED_DRAWINGAREA_TILE_SIZE, TRUE);
7159
7160     DrawDrawingArea(id);
7161   }
7162
7163   MapGadget(gi);
7164 }
7165
7166 static void MapTextInputGadget(int id)
7167 {
7168   int font_nr = FONT_TEXT_1;
7169   int font_height = getFontHeight(font_nr);
7170   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
7171   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7172   int x_above = ED_SETTINGS_X(textinput_info[id].x);
7173   int y_above = ED_SETTINGS_Y(textinput_info[id].y) - yoffset_above;
7174
7175   if (textinput_info[id].text_above)
7176     DrawTextS(x_above, y_above, font_nr, textinput_info[id].text_above);
7177
7178   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
7179
7180   MapGadget(gi);
7181 }
7182
7183 static void MapTextAreaGadget(int id)
7184 {
7185   int font_nr = FONT_TEXT_1;
7186   int font_height = getFontHeight(font_nr);
7187   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
7188   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7189   int x_above = ED_SETTINGS_X(textarea_info[id].x);
7190   int y_above = ED_SETTINGS_Y(textarea_info[id].y) - yoffset_above;
7191
7192   if (textarea_info[id].text_above)
7193     DrawTextS(x_above, y_above, font_nr, textarea_info[id].text_above);
7194
7195   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
7196
7197   MapGadget(gi);
7198 }
7199
7200 static void MapSelectboxGadget(int id)
7201 {
7202   int font_nr = FONT_TEXT_1;
7203   int font_height = getFontHeight(font_nr);
7204   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
7205   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
7206   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7207   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7208   int yoffset = (gi->height - font_height) / 2;
7209   int x_left = gi->x - xoffset_left;
7210   int x_right = gi->x + gi->width + xoffset_right;
7211   int y_above = gi->y - yoffset_above;
7212   int x = gi->x;
7213   int y = gi->y + yoffset;
7214
7215   if (selectbox_info[id].text_above)
7216     DrawText(x, y_above, selectbox_info[id].text_above, font_nr);
7217
7218   if (selectbox_info[id].text_left)
7219     DrawText(x_left, y, selectbox_info[id].text_left, font_nr);
7220
7221   if (selectbox_info[id].text_right)
7222     DrawText(x_right, y, selectbox_info[id].text_right, font_nr);
7223
7224   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
7225
7226   MapGadget(gi);
7227 }
7228
7229 static void MapTextbuttonGadget(int id)
7230 {
7231   int font_nr = FONT_TEXT_1;
7232   int font_height = getFontHeight(font_nr);
7233   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
7234   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
7235   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7236   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7237   int yoffset = (gi->height - font_height) / 2;
7238   int x_left = gi->x - xoffset_left;
7239   int x_right = gi->x + gi->width + xoffset_right;
7240   int y_above = gi->y - yoffset_above;
7241   int x = gi->x;
7242   int y = gi->y + yoffset;
7243
7244   /* only show button to delete change pages when more than minimum pages */
7245   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
7246       custom_element.num_change_pages == MIN_CHANGE_PAGES)
7247     return;
7248
7249   if (textbutton_info[id].text_above)
7250     DrawText(x, y_above, textbutton_info[id].text_above, font_nr);
7251
7252   if (textbutton_info[id].text_left)
7253     DrawText(x_left, y, textbutton_info[id].text_left, font_nr);
7254
7255   if (textbutton_info[id].text_right)
7256     DrawText(x_right, y, textbutton_info[id].text_right, font_nr);
7257
7258   MapGadget(gi);
7259 }
7260
7261 static void MapGraphicbuttonGadget(int id)
7262 {
7263   int font_nr = FONT_TEXT_1;
7264   int font_height = getFontHeight(font_nr);
7265   struct GadgetInfo *gi= level_editor_gadget[graphicbutton_info[id].gadget_id];
7266   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
7267   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7268   int yoffset = (gi->height - font_height) / 2;
7269   int x_left = gi->x - xoffset_left;
7270   int x_right = gi->x + gi->width + xoffset_right;
7271   int y = gi->y + yoffset;
7272
7273   if (graphicbutton_info[id].text_left)
7274     DrawText(x_left, y, graphicbutton_info[id].text_left, font_nr);
7275
7276   if (graphicbutton_info[id].text_right)
7277     DrawText(x_right, y, graphicbutton_info[id].text_right, font_nr);
7278
7279   MapGadget(gi);
7280 }
7281
7282 static void MapRadiobuttonGadget(int id)
7283 {
7284   int font_nr = FONT_TEXT_1;
7285   int font_height = getFontHeight(font_nr);
7286   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
7287   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
7288   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7289   int yoffset = (gi->height - font_height) / 2;
7290   int x_left = gi->x - xoffset_left;
7291   int x_right = gi->x + gi->width + xoffset_right;
7292   int y = gi->y + yoffset;
7293   boolean checked =
7294     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
7295
7296   if (radiobutton_info[id].text_left)
7297     DrawText(x_left, y, radiobutton_info[id].text_left, font_nr);
7298
7299   if (radiobutton_info[id].text_right)
7300     DrawText(x_right, y, radiobutton_info[id].text_right, font_nr);
7301
7302   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
7303
7304   MapGadget(gi);
7305 }
7306
7307 static void MapCheckbuttonGadget(int id)
7308 {
7309   int font_nr = FONT_TEXT_1;
7310   int font_height = getFontHeight(font_nr);
7311   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
7312   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
7313   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7314   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7315   int yoffset = (gi->height - font_height) / 2;
7316   int y_above = gi->y - yoffset_above;
7317   int x = gi->x;
7318   int x_left, x_right, y;       /* set after gadget position was modified */
7319
7320   /* set position for gadgets with dynamically determined position */
7321   if (checkbutton_info[id].x != -1)     /* do not change dynamic positions */
7322     ModifyGadget(gi, GDI_X, SX + ED_SETTINGS_X(checkbutton_info[id].x),GDI_END);
7323   ModifyGadget(gi, GDI_Y, SY + ED_SETTINGS_Y(checkbutton_info[id].y), GDI_END);
7324
7325   x_left = gi->x - xoffset_left;
7326   x_right = gi->x + gi->width + xoffset_right;
7327   y = gi->y + yoffset;
7328
7329   if (checkbutton_info[id].text_above)
7330     DrawText(x, y_above, checkbutton_info[id].text_above, font_nr);
7331
7332   if (checkbutton_info[id].text_left)
7333     DrawText(x_left, y, checkbutton_info[id].text_left, font_nr);
7334
7335   if (checkbutton_info[id].text_right)
7336     DrawText(x_right, y, checkbutton_info[id].text_right, font_nr);
7337
7338   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
7339
7340   MapGadget(gi);
7341 }
7342
7343 static void MapMainDrawingArea()
7344 {
7345   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
7346   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
7347   int i;
7348
7349   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
7350   {
7351     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
7352           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
7353          no_horizontal_scrollbar) ||
7354         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
7355           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
7356          no_vertical_scrollbar))
7357       continue;
7358
7359     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
7360   }
7361
7362   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
7363   {
7364     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
7365         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
7366       continue;
7367
7368     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
7369   }
7370
7371   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
7372 }
7373
7374 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
7375 {
7376   int i;
7377
7378   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
7379   {
7380     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
7381         i == GADGET_ID_CUSTOM_COPY_TO ||
7382         i == GADGET_ID_CUSTOM_EXCHANGE ||
7383         i == GADGET_ID_CUSTOM_COPY ||
7384         i == GADGET_ID_CUSTOM_PASTE)
7385     {
7386       if (map)
7387         MapGadget(level_editor_gadget[i]);
7388       else
7389         UnmapGadget(level_editor_gadget[i]);
7390     }
7391   }
7392 }
7393
7394 static void MapLevelEditorToolboxCustomGadgets()
7395 {
7396   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
7397 }
7398
7399 static void UnmapLevelEditorToolboxCustomGadgets()
7400 {
7401   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
7402 }
7403
7404 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
7405 {
7406   int i;
7407
7408   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
7409   {
7410     if (i != GADGET_ID_SINGLE_ITEMS &&
7411         i != GADGET_ID_PICK_ELEMENT)
7412     {
7413       struct GadgetInfo *gi = level_editor_gadget[i];
7414
7415       if (map)
7416       {
7417         MapGadget(gi);
7418       }
7419       else
7420       {
7421         int graphic = IMG_EDITOR_NO_TOOLBOX_BUTTON;
7422         struct GraphicInfo *gd = &graphic_info[graphic];
7423
7424         UnmapGadget(gi);
7425
7426         BlitBitmap(gd->bitmap, drawto, gd->src_x, gd->src_y,
7427                    gi->width, gi->height, gi->x, gi->y);
7428
7429         redraw_mask |= REDRAW_DOOR_3;
7430       }
7431     }
7432   }
7433 }
7434
7435 static void MapLevelEditorToolboxDrawingGadgets()
7436 {
7437   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
7438 }
7439
7440 static void UnmapLevelEditorToolboxDrawingGadgets()
7441 {
7442   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
7443 }
7444
7445 static void UnmapDrawingArea(int id)
7446 {
7447   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
7448 }
7449
7450 static void UnmapLevelEditorFieldGadgets()
7451 {
7452   int i;
7453
7454   for (i = 0; i < num_editor_gadgets; i++)
7455     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
7456                           level_editor_gadget[i]->y))
7457       UnmapGadget(level_editor_gadget[i]);
7458 }
7459
7460 void UnmapLevelEditorGadgets()
7461 {
7462   int i;
7463
7464   for (i = 0; i < num_editor_gadgets; i++)
7465     UnmapGadget(level_editor_gadget[i]);
7466 }
7467
7468 static void ResetUndoBuffer()
7469 {
7470   undo_buffer_position = -1;
7471   undo_buffer_steps = -1;
7472   redo_buffer_steps = 0;
7473
7474   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
7475
7476   level.changed = FALSE;
7477 }
7478
7479 static void DrawEditModeWindow()
7480 {
7481   ModifyEditorElementList();
7482   RedrawDrawingElements();
7483
7484   if (edit_mode == ED_MODE_INFO)
7485     DrawLevelInfoWindow();
7486   else if (edit_mode == ED_MODE_PROPERTIES)
7487     DrawPropertiesWindow();
7488   else if (edit_mode == ED_MODE_PALETTE)
7489     DrawPaletteWindow();
7490   else  /* edit_mode == ED_MODE_DRAWING */
7491     DrawDrawingWindow();
7492 }
7493
7494 static void ChangeEditModeWindow(int new_edit_mode)
7495 {
7496   edit_mode = (new_edit_mode != edit_mode ? new_edit_mode : ED_MODE_DRAWING);
7497
7498   DrawEditModeWindow();
7499 }
7500
7501 static boolean LevelChanged()
7502 {
7503   boolean field_changed = FALSE;
7504   int x, y;
7505
7506   for (y = 0; y < lev_fieldy; y++)
7507     for (x = 0; x < lev_fieldx; x++)
7508       if (Feld[x][y] != level.field[x][y])
7509         field_changed = TRUE;
7510
7511   return (level.changed || field_changed);
7512 }
7513
7514 static boolean PrepareSavingIntoPersonalLevelSet()
7515 {
7516   static LevelDirTree *last_copied_leveldir = NULL;
7517   static LevelDirTree *last_written_leveldir = NULL;
7518   static int last_copied_level_nr = -1;
7519   static int last_written_level_nr = -1;
7520   LevelDirTree *leveldir_former = leveldir_current;
7521   int level_nr_former = level_nr;
7522   int new_level_nr;
7523
7524   // remember last mod/save so that for current session, we write
7525   // back to the same personal copy, asking only about overwrite.
7526   if (leveldir_current == last_copied_leveldir &&
7527       level_nr == last_copied_level_nr)
7528   {
7529     // "cd" to personal level set dir (as used when writing last copy)
7530     leveldir_current = last_written_leveldir;
7531     level_nr = last_written_level_nr;
7532
7533     return TRUE;
7534   }
7535
7536   if (!Request("This level is read only! "
7537                "Save into personal level set?", REQ_ASK))
7538     return FALSE;
7539
7540   // "cd" to personal level set dir (for writing copy the first time)
7541   leveldir_current =
7542     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
7543
7544   // find unused level number
7545   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
7546   {
7547     static char *level_filename = NULL;
7548
7549     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
7550
7551     if (!fileExists(level_filename))
7552       break;
7553   }
7554
7555   last_copied_leveldir = leveldir_former;
7556   last_copied_level_nr = level_nr_former;
7557
7558   last_written_leveldir = leveldir_current;
7559   last_written_level_nr = level_nr = new_level_nr;
7560
7561   return TRUE;
7562 }
7563
7564 static void ModifyLevelInfoForSavingIntoPersonalLevelSet(char *former_name)
7565 {
7566   static char *filename_levelinfo = NULL, *mod_name = NULL;
7567   FILE *file;
7568
7569   // annotate this copy-and-mod in personal levelinfo.conf
7570   setString(&filename_levelinfo,
7571             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
7572
7573   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
7574   {
7575     fprintf(file, "\n");
7576     fprintf(file, "# level %d was modified from:\n", level_nr);
7577     fprintf(file, "# - previous level set name:    %s\n",
7578             former_name);
7579     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
7580             level.file_info.nr, level.name);
7581     fprintf(file, "# - previous author:            %s\n",
7582             level.author);
7583     fprintf(file, "# - previous save date:         ");
7584
7585     if (level.creation_date.src == DATE_SRC_LEVELFILE)
7586     {
7587       fprintf(file, "%04d-%02d-%02d\n",
7588               level.creation_date.year,
7589               level.creation_date.month,
7590               level.creation_date.day);
7591     }
7592     else
7593     {
7594       fprintf(file, "not recorded\n");
7595     }
7596
7597     fclose(file);
7598   }
7599
7600   if (level_nr > leveldir_current->last_level)
7601     UpdateUserLevelSet(getLoginName(), NULL, NULL, level_nr + 9);
7602
7603   // else: allow the save even if annotation failed
7604
7605   // now... spray graffiti on the old level vital statistics
7606   // user can change these; just trying to set a good baseline
7607
7608   // don't truncate names for fear of making offensive or silly:
7609   // long-named original author only recorded in levelinfo.conf.
7610   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
7611   if (!strEqual(level.author, leveldir_current->author))
7612   {
7613     setString(&mod_name, getStringCat3(leveldir_current->author,
7614                                        " after ", level.author));
7615
7616     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7617       setString(&mod_name,
7618                 getStringCat2(leveldir_current->author, " (ed.)"));
7619
7620     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7621       setString(&mod_name, leveldir_current->author);
7622
7623     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
7624
7625     // less worried about truncation here
7626     setString(&mod_name, getStringCat2("Mod: ", level.name));
7627     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
7628   }
7629 }
7630
7631 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
7632                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
7633 {
7634   int x, y;
7635
7636   for (x = 0; x < lev_fieldx; x++)
7637     for (y = 0; y < lev_fieldy; y++)
7638       dst[x][y] = src[x][y];
7639 }
7640
7641 static int setSelectboxValue(int selectbox_id, int new_value)
7642 {
7643   int new_index_value = 0;
7644   int i;
7645
7646   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
7647     if (selectbox_info[selectbox_id].options[i].value == new_value)
7648       new_index_value = i;
7649
7650   *selectbox_info[selectbox_id].value =
7651     selectbox_info[selectbox_id].options[new_index_value].value;
7652
7653   return new_index_value;
7654 }
7655
7656 static void setSelectboxSpecialActionVariablesIfNeeded()
7657 {
7658   int i;
7659
7660   /* change action mode and arg variables according to action type variable */
7661   for (i = 0; action_arg_options[i].value != -1; i++)
7662   {
7663     if (action_arg_options[i].value == custom_element_change.action_type)
7664     {
7665       int mode = action_arg_options[i].mode;
7666
7667       /* only change if corresponding selectbox has changed */
7668       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
7669           action_arg_modes[mode])
7670         custom_element_change.action_mode = -1;
7671
7672       /* only change if corresponding selectbox has changed */
7673       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
7674           action_arg_options[i].options)
7675         custom_element_change.action_arg = -1;
7676
7677       break;
7678     }
7679   }
7680 }
7681
7682 static void setSelectboxSpecialActionOptions()
7683 {
7684   int i;
7685
7686   /* change action mode and arg selectbox according to action type selectbox */
7687   for (i = 0; action_arg_options[i].value != -1; i++)
7688   {
7689     if (action_arg_options[i].value == custom_element_change.action_type)
7690     {
7691       int mode = action_arg_options[i].mode;
7692
7693       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
7694                                    action_arg_modes[mode]);
7695       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
7696                                  custom_element_change.action_mode);
7697
7698       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
7699                                    action_arg_options[i].options);
7700       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
7701                                  custom_element_change.action_arg);
7702       break;
7703     }
7704   }
7705 }
7706
7707 static void copy_custom_element_settings(int element_from, int element_to)
7708 {
7709   struct ElementInfo *ei_from = &element_info[element_from];
7710   struct ElementInfo *ei_to = &element_info[element_to];
7711
7712   copyElementInfo(ei_from, ei_to);
7713 }
7714
7715 static void replace_custom_element_in_settings(int element_from,
7716                                                int element_to)
7717 {
7718   int i, j, x, y;
7719
7720   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7721   {
7722     struct ElementInfo *ei = &element_info[i];
7723
7724     for (y = 0; y < 3; y++)
7725       for (x = 0; x < 3; x++)
7726         if (ei->content.e[x][y] == element_from)
7727           ei->content.e[x][y] = element_to;
7728
7729     for (j = 0; j < ei->num_change_pages; j++)
7730     {
7731       struct ElementChangeInfo *change = &ei->change_page[j];
7732
7733       if (change->target_element == element_from)
7734         change->target_element = element_to;
7735
7736       if (change->initial_trigger_element == element_from)
7737         change->initial_trigger_element = element_to;
7738
7739       if (change->action_element == element_from)
7740         change->action_element = element_to;
7741
7742       for (y = 0; y < 3; y++)
7743         for (x = 0; x < 3; x++)
7744           if (change->target_content.e[x][y] == element_from)
7745             change->target_content.e[x][y] = element_to;
7746     }
7747
7748     if (ei->group != NULL)                              /* group or internal */
7749       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
7750         if (ei->group->element[j] == element_from)
7751           ei->group->element[j] = element_to;
7752   }
7753 }
7754
7755 static void replace_custom_element_in_playfield(int element_from,
7756                                                 int element_to)
7757 {
7758   int x, y;
7759
7760   for (x = 0; x < lev_fieldx; x++)
7761     for (y = 0; y < lev_fieldy; y++)
7762       if (Feld[x][y] == element_from)
7763         Feld[x][y] = element_to;
7764 }
7765
7766 static boolean CopyCustomElement(int element_old, int element_new,
7767                                  int copy_mode)
7768 {
7769   int copy_mode_orig = copy_mode;
7770
7771   if (copy_mode == GADGET_ID_CUSTOM_COPY)
7772   {
7773     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
7774                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
7775     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
7776   }
7777   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
7778   {
7779     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
7780                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
7781     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
7782
7783     level.changed = TRUE;
7784   }
7785   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
7786   {
7787     Request("Please choose custom element!", REQ_CONFIRM);
7788
7789     return FALSE;
7790   }
7791   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
7792   {
7793     Request("Please choose group element!", REQ_CONFIRM);
7794
7795     return FALSE;
7796   }
7797   else
7798   {
7799     level.changed = TRUE;
7800   }
7801
7802   /* when modifying custom/group element, ask for copying level template */
7803   if (copy_mode_orig != GADGET_ID_CUSTOM_COPY && level.use_custom_template)
7804   {
7805     if (!AskToCopyAndModifyLevelTemplate())
7806       return FALSE;
7807   }
7808
7809   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
7810   {
7811     copy_custom_element_settings(element_new, element_old);
7812   }
7813   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
7814   {
7815     copy_custom_element_settings(element_old, element_new);
7816   }
7817   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
7818   {
7819     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
7820     copy_custom_element_settings(element_new, element_old);
7821     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
7822
7823     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
7824     replace_custom_element_in_settings(element_new, element_old);
7825     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
7826
7827     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
7828     replace_custom_element_in_playfield(element_new, element_old);
7829     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
7830   }
7831
7832   UpdateCustomElementGraphicGadgets();
7833   DrawPropertiesWindow();
7834
7835   return TRUE;
7836 }
7837
7838 static void CopyCustomElementPropertiesToEditor(int element)
7839 {
7840   int i;
7841   int current_change_page = element_info[element].current_change_page;
7842
7843   /* dynamically (re)build selectbox for selecting change page */
7844   for (i = 0; i < element_info[element].num_change_pages; i++)
7845   {
7846     sprintf(options_change_page_strings[i], "%d", i + 1);
7847
7848     options_change_page[i].value = i;
7849     options_change_page[i].text = options_change_page_strings[i];
7850   }
7851
7852   options_change_page[i].value = -1;
7853   options_change_page[i].text = NULL;
7854
7855   /* needed here to initialize combined element properties */
7856   InitElementPropertiesEngine(level.game_version);
7857
7858   element_info[element].change =
7859     &element_info[element].change_page[current_change_page];
7860
7861   custom_element = element_info[element];
7862   custom_element_change = *element_info[element].change;
7863
7864   /* needed to initially set selectbox options for special action options */
7865   setSelectboxSpecialActionOptions();
7866
7867   /* needed to initially set selectbox value variables to reliable defaults */
7868   for (i = 0; i < ED_NUM_SELECTBOX; i++)
7869     setSelectboxValue(i, *selectbox_info[i].value);
7870
7871   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
7872     custom_element_properties[i] = HAS_PROPERTY(element, i);
7873
7874   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
7875     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
7876
7877   /* ---------- element settings: configure (custom elements) ------------- */
7878
7879   /* set accessible layer selectbox help value */
7880   custom_element.access_type =
7881     (IS_WALKABLE(element) ? EP_WALKABLE :
7882      IS_PASSABLE(element) ? EP_PASSABLE :
7883      custom_element.access_type);
7884   custom_element.access_layer =
7885     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
7886      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
7887      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
7888      custom_element.access_layer);
7889   custom_element.access_protected =
7890     (IS_PROTECTED(element) ? 1 : 0);
7891   custom_element_properties[EP_ACCESSIBLE] =
7892     (IS_ACCESSIBLE_OVER(element) ||
7893      IS_ACCESSIBLE_INSIDE(element) ||
7894      IS_ACCESSIBLE_UNDER(element));
7895
7896   /* set walk-to-object action selectbox help value */
7897   custom_element.walk_to_action =
7898     (IS_DIGGABLE(element) ? EP_DIGGABLE :
7899      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
7900      IS_DROPPABLE(element) ? EP_DROPPABLE :
7901      IS_THROWABLE(element) ? EP_THROWABLE :
7902      IS_PUSHABLE(element) ? EP_PUSHABLE :
7903      custom_element.walk_to_action);
7904   custom_element_properties[EP_WALK_TO_OBJECT] =
7905     (IS_DIGGABLE(element) ||
7906      IS_COLLECTIBLE_ONLY(element) ||
7907      IS_DROPPABLE(element) ||
7908      IS_THROWABLE(element) ||
7909      IS_PUSHABLE(element));
7910
7911   /* set smash targets selectbox help value */
7912   custom_element.smash_targets =
7913     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
7914      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
7915      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
7916      custom_element.smash_targets);
7917   custom_element_properties[EP_CAN_SMASH] =
7918     (CAN_SMASH_EVERYTHING(element) ||
7919      CAN_SMASH_ENEMIES(element) ||
7920      CAN_SMASH_PLAYER(element));
7921
7922   /* set deadliness selectbox help value */
7923   custom_element.deadliness =
7924     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
7925      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
7926      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
7927      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
7928      custom_element.deadliness);
7929   custom_element_properties[EP_DEADLY] =
7930     (DONT_TOUCH(element) ||
7931      DONT_GET_HIT_BY(element) ||
7932      DONT_COLLIDE_WITH(element) ||
7933      DONT_RUN_INTO(element));
7934
7935   /* ---------- element settings: advanced (custom elements) --------------- */
7936
7937   /* set "change by direct action" selectbox help value */
7938   custom_element_change.direct_action =
7939     (HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
7940      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
7941      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
7942      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
7943      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
7944      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
7945      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
7946      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
7947      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
7948      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
7949      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
7950      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
7951      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
7952      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
7953      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
7954      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
7955      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
7956      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
7957      custom_element_change.direct_action);
7958
7959   /* set "change by other element action" selectbox help value */
7960   custom_element_change.other_action =
7961     (HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
7962      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
7963      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
7964      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
7965      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
7966      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
7967      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
7968      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
7969      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
7970      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
7971      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
7972      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
7973      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
7974      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
7975      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
7976      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
7977      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
7978      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
7979      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
7980      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
7981      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
7982      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
7983      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
7984      custom_element_change.other_action);
7985 }
7986
7987 static void CopyGroupElementPropertiesToEditor(int element)
7988 {
7989   group_element_info = *element_info[element].group;
7990   custom_element = element_info[element];       /* needed for description */
7991 }
7992
7993 static void CopyClassicElementPropertiesToEditor(int element)
7994 {
7995   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
7996     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
7997       getMoveIntoAcidProperty(&level, element);
7998
7999   if (MAYBE_DONT_COLLIDE_WITH(element))
8000     custom_element_properties[EP_DONT_COLLIDE_WITH] =
8001       getDontCollideWithProperty(&level, element);
8002 }
8003
8004 static void CopyElementPropertiesToEditor(int element)
8005 {
8006   if (IS_CUSTOM_ELEMENT(element))
8007     CopyCustomElementPropertiesToEditor(element);
8008   else if (IS_GROUP_ELEMENT(element))
8009     CopyGroupElementPropertiesToEditor(element);
8010   else
8011     CopyClassicElementPropertiesToEditor(element);
8012 }
8013
8014 static boolean AskToCopyAndModifyLevelTemplate()
8015 {
8016   if (Request("Copy and modify settings from level template?", REQ_ASK))
8017   {
8018     level.use_custom_template = FALSE;
8019
8020     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_1],
8021                  GDI_CHECKED, FALSE, GDI_END);
8022     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_2],
8023                  GDI_CHECKED, FALSE, GDI_END);
8024
8025     return TRUE;
8026   }
8027   else
8028   {
8029     LoadLevelTemplate(-1);      /* this resets all element modifications ... */
8030
8031     DrawEditModeWindow();       /* ... and copies them to 'custom_element' */
8032
8033     return FALSE;
8034   }
8035 }
8036
8037 static void CopyCustomElementPropertiesToGame(int element)
8038 {
8039   int i;
8040   int access_type_and_layer;
8041
8042   /* mark that this custom element has been modified */
8043   custom_element.modified_settings = TRUE;
8044   level.changed = TRUE;
8045
8046   if (level.use_custom_template)
8047     AskToCopyAndModifyLevelTemplate();
8048
8049   element_info[element] = custom_element;
8050   *element_info[element].change = custom_element_change;
8051
8052   /* ---------- element settings: configure (custom elements) ------------- */
8053
8054   /* set accessible property from checkbox and selectbox */
8055   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
8056   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
8057   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
8058   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
8059   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
8060   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
8061   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
8062                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
8063                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
8064   custom_element_properties[access_type_and_layer] =
8065     custom_element_properties[EP_ACCESSIBLE];
8066   custom_element_properties[EP_PROTECTED] =
8067     (custom_element.access_protected != 0 &&
8068      custom_element_properties[EP_ACCESSIBLE]);
8069
8070   /* set walk-to-object property from checkbox and selectbox */
8071   custom_element_properties[EP_DIGGABLE] = FALSE;
8072   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
8073   custom_element_properties[EP_DROPPABLE] = FALSE;
8074   custom_element_properties[EP_THROWABLE] = FALSE;
8075   custom_element_properties[EP_PUSHABLE] = FALSE;
8076   custom_element_properties[custom_element.walk_to_action] =
8077     custom_element_properties[EP_WALK_TO_OBJECT];
8078
8079   /* set smash property from checkbox and selectbox */
8080   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
8081   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
8082   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
8083   custom_element_properties[custom_element.smash_targets] =
8084     custom_element_properties[EP_CAN_SMASH];
8085
8086   /* set deadliness property from checkbox and selectbox */
8087   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
8088   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
8089   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
8090   custom_element_properties[EP_DONT_TOUCH] = FALSE;
8091   custom_element_properties[custom_element.deadliness] =
8092     custom_element_properties[EP_DEADLY];
8093
8094   /* ---------- element settings: advanced (custom elements) --------------- */
8095
8096   /* set player change event from checkbox and selectbox */
8097   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
8098   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
8099   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
8100   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
8101   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
8102   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
8103   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
8104   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
8105   custom_element_change_events[CE_SWITCHED] = FALSE;
8106   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
8107   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
8108   custom_element_change_events[CE_BLOCKED] = FALSE;
8109   custom_element_change_events[CE_IMPACT] = FALSE;
8110   custom_element_change_events[CE_SMASHED] = FALSE;
8111   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
8112   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
8113   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
8114   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
8115   custom_element_change_events[custom_element_change.direct_action] =
8116     custom_element_change_events[CE_BY_DIRECT_ACTION];
8117
8118   /* set other element action change event from checkbox and selectbox */
8119   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
8120   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
8121   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
8122   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
8123   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
8124   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
8125   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
8126   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
8127   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
8128   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
8129   custom_element_change_events[CE_TOUCHING_X] = FALSE;
8130   custom_element_change_events[CE_HITTING_X] = FALSE;
8131   custom_element_change_events[CE_DIGGING_X] = FALSE;
8132   custom_element_change_events[CE_HIT_BY_X] = FALSE;
8133   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
8134   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
8135   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
8136   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
8137   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
8138   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
8139   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
8140   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
8141   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
8142   custom_element_change_events[custom_element_change.other_action] =
8143     custom_element_change_events[CE_BY_OTHER_ACTION];
8144
8145   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
8146     SET_PROPERTY(element, i, custom_element_properties[i]);
8147
8148   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
8149     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
8150
8151   /* copy change events also to special level editor variable */
8152   custom_element = element_info[element];
8153   custom_element_change = *element_info[element].change;
8154 }
8155
8156 static void CopyGroupElementPropertiesToGame(int element)
8157 {
8158   /* mark that this group element has been modified */
8159   custom_element.modified_settings = TRUE;
8160   level.changed = TRUE;
8161
8162   if (level.use_custom_template)
8163     AskToCopyAndModifyLevelTemplate();
8164
8165   element_info[element] = custom_element;
8166   *element_info[element].group = group_element_info;
8167 }
8168
8169 static void CopyClassicElementPropertiesToGame(int element)
8170 {
8171   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
8172     setMoveIntoAcidProperty(&level, element,
8173                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
8174
8175   if (MAYBE_DONT_COLLIDE_WITH(element))
8176     setDontCollideWithProperty(&level, element,
8177                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
8178 }
8179
8180 static void CopyElementPropertiesToGame(int element)
8181 {
8182   if (IS_CUSTOM_ELEMENT(element))
8183     CopyCustomElementPropertiesToGame(element);
8184   else if (IS_GROUP_ELEMENT(element))
8185     CopyGroupElementPropertiesToGame(element);
8186   else
8187     CopyClassicElementPropertiesToGame(element);
8188 }
8189
8190 void CheckElementDescriptions()
8191 {
8192   int i;
8193
8194   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
8195     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
8196       Error(ERR_WARN, "no element description file for element '%s'",
8197             EL_NAME(i));
8198 }
8199
8200 static int getMaxEdFieldX(boolean has_scrollbar)
8201 {
8202   int scrollbar_width = (has_scrollbar ? ED_SCROLLBUTTON_XSIZE : 0);
8203   int sxsize = SXSIZE - scrollbar_width;
8204   int max_ed_fieldx = sxsize / ed_tilesize;
8205
8206   return max_ed_fieldx;
8207 }
8208
8209 static int getMaxEdFieldY(boolean has_scrollbar)
8210 {
8211   int infotext_height = (IN_PIX_FIELD(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY) ?
8212                          INFOTEXT_YSIZE_FULL : 0);
8213   int scrollbar_height = (has_scrollbar ? ED_SCROLLBUTTON_YSIZE : 0);
8214   int sysize = SYSIZE - scrollbar_height - infotext_height;
8215   int max_ed_fieldy = sysize / ed_tilesize;
8216
8217   return max_ed_fieldy;
8218 }
8219
8220 void InitZoomLevelSettings(int zoom_tilesize)
8221 {
8222   if (zoom_tilesize == -1)
8223     zoom_tilesize = setup.auto_setup.editor_zoom_tilesize;
8224
8225   // limit zoom tilesize by upper and lower bound
8226   zoom_tilesize = MIN(MAX(MICRO_TILESIZE, zoom_tilesize), TILESIZE);
8227
8228   ed_tilesize = setup.auto_setup.editor_zoom_tilesize = zoom_tilesize;
8229
8230   MAX_ED_FIELDX = getMaxEdFieldX(FALSE);
8231   MAX_ED_FIELDY = getMaxEdFieldY(FALSE);
8232 }
8233
8234 static void InitLevelSetInfo()
8235 {
8236   snprintf(levelset_name,   MAX_LEVEL_NAME_LEN + 1,
8237            "%s", leveldir_current->name);
8238   snprintf(levelset_author, MAX_LEVEL_AUTHOR_LEN + 1,
8239            "%s", leveldir_current->author);
8240
8241   levelset_num_levels = leveldir_current->levels;
8242
8243   levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
8244 }
8245
8246 static void ChangeEditorToLevelSet(char *levelset_subdir)
8247 {
8248   leveldir_current = getTreeInfoFromIdentifier(leveldir_first, levelset_subdir);
8249
8250   // the previous level set might have used custom artwork
8251   ReloadCustomArtwork(0);
8252
8253   LoadLevelSetup_SeriesInfo();
8254
8255   SaveLevelSetup_LastSeries();
8256   SaveLevelSetup_SeriesInfo();
8257
8258   TapeErase();
8259
8260   LoadLevel(level_nr);
8261   LoadScore(level_nr);
8262
8263   DrawLevelEd();
8264 }
8265
8266 void DrawLevelEd()
8267 {
8268   int fade_mask = REDRAW_FIELD;
8269
8270   FadeSoundsAndMusic();
8271
8272   if (CheckIfGlobalBorderOrPlayfieldViewportHasChanged())
8273     fade_mask = REDRAW_ALL;
8274
8275   FadeOut(fade_mask);
8276
8277   /* needed if different viewport properties defined for editor */
8278   ChangeViewportPropertiesIfNeeded();
8279
8280   ClearField();
8281
8282   InitZoomLevelSettings(-1);
8283   InitLevelSetInfo();
8284
8285   SetDoorState(DOOR_OPEN_1 | DOOR_OPEN_2);
8286
8287 #if DEBUG
8288   CheckElementDescriptions();
8289 #endif
8290
8291   if (level_editor_test_game)
8292   {
8293     CopyPlayfield(level.field, Feld);
8294     CopyPlayfield(FieldBackup, level.field);
8295
8296     level_editor_test_game = FALSE;
8297   }
8298   else
8299   {
8300     edit_mode = ED_MODE_DRAWING;
8301     edit_mode_levelinfo = ED_MODE_LEVELINFO_LEVEL;
8302     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
8303
8304     ResetUndoBuffer();
8305
8306     level_xpos = -1;
8307     level_ypos = -1;
8308   }
8309
8310   /* needed for gadgets drawn on background (like palette scrollbar) */
8311   SetDoorBackgroundImage(IMG_UNDEFINED);
8312
8313   /* copy default editor door content to main double buffer */
8314   BlitBitmap(graphic_info[IMG_BACKGROUND_PALETTE].bitmap, drawto,
8315              graphic_info[IMG_BACKGROUND_PALETTE].src_x,
8316              graphic_info[IMG_BACKGROUND_PALETTE].src_y,
8317              MIN(DXSIZE, graphic_info[IMG_BACKGROUND_PALETTE].width),
8318              MIN(DYSIZE, graphic_info[IMG_BACKGROUND_PALETTE].height),
8319              DX, DY);
8320
8321   /* draw bigger door */
8322   DrawSpecialEditorDoor();
8323
8324   /* draw new control window */
8325   BlitBitmap(graphic_info[IMG_BACKGROUND_TOOLBOX].bitmap, drawto,
8326              graphic_info[IMG_BACKGROUND_TOOLBOX].src_x,
8327              graphic_info[IMG_BACKGROUND_TOOLBOX].src_y,
8328              MIN(EXSIZE, graphic_info[IMG_BACKGROUND_TOOLBOX].width),
8329              MIN(EYSIZE, graphic_info[IMG_BACKGROUND_TOOLBOX].height),
8330              EX, EY);
8331
8332   // redraw_mask |= REDRAW_ALL;
8333
8334   FreeLevelEditorGadgets();
8335   CreateLevelEditorGadgets();
8336
8337   ReinitializeElementList();            /* update dynamic level element list */
8338   ReinitializeElementListButtons();     /* custom element may look different */
8339
8340   InitElementPropertiesGfxElement();
8341
8342   UnmapAllGadgets();
8343   MapControlButtons();
8344
8345   DrawEditModeWindow();
8346
8347   DrawMaskedBorder(fade_mask);
8348
8349   FadeIn(fade_mask);
8350
8351   /* copy actual editor door content to door double buffer for OpenDoor() */
8352   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
8353 }
8354
8355 static void AdjustDrawingAreaGadgets()
8356 {
8357   int ed_xsize = lev_fieldx + 2;
8358   int ed_ysize = lev_fieldy + 2;
8359   int max_ed_fieldx = MAX_ED_FIELDX;
8360   int max_ed_fieldy = MAX_ED_FIELDY;
8361   boolean horizontal_scrollbar_needed;
8362   boolean vertical_scrollbar_needed;
8363   int x, y, width, height;
8364
8365   /* check if we need any scrollbars */
8366   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
8367   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
8368
8369   /* check if we have a smaller editor field because of scrollbars */
8370   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
8371   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
8372
8373   /* check again if we now need more scrollbars because of less space */
8374   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
8375   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
8376
8377   /* check if editor field gets even smaller after adding new scrollbars */
8378   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
8379   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
8380
8381   ed_fieldx = (ed_xsize > max_ed_fieldx ? max_ed_fieldx : ed_xsize);
8382   ed_fieldy = (ed_ysize > max_ed_fieldy ? max_ed_fieldy : ed_ysize);
8383
8384   x = SX + ed_fieldx * ed_tilesize;
8385   y = SY + ed_fieldy * ed_tilesize;
8386
8387   width  = ed_fieldx * ed_tilesize - 2 * ED_SCROLLBUTTON_XSIZE;
8388   height = ed_fieldy * ed_tilesize - 2 * ED_SCROLLBUTTON_YSIZE;
8389
8390   /* adjust drawing area gadget */
8391   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
8392                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
8393                GDI_ITEM_SIZE, ed_tilesize, ed_tilesize,
8394                GDI_END);
8395
8396   /* adjust horizontal scrollbar gadgets */
8397   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LEFT],
8398                GDI_Y, y,
8399                GDI_END);
8400   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT],
8401                GDI_X, x - ED_SCROLLBUTTON_XSIZE,
8402                GDI_Y, y,
8403                GDI_END);
8404   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
8405                GDI_Y, y,
8406                GDI_WIDTH, width,
8407                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
8408                GDI_END);
8409
8410   /* adjust vertical scrollbar gadgets */
8411   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_UP],
8412                GDI_X, x,
8413                GDI_END);
8414   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN],
8415                GDI_X, x,
8416                GDI_Y, y - ED_SCROLLBUTTON_YSIZE,
8417                GDI_END);
8418   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
8419                GDI_X, x,
8420                GDI_HEIGHT, height,
8421                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
8422                GDI_END);
8423 }
8424
8425 static void AdjustLevelScrollPosition()
8426 {
8427   if (level_xpos < -1)
8428     level_xpos = -1;
8429   if (level_xpos > lev_fieldx - ed_fieldx + 1)
8430     level_xpos = lev_fieldx - ed_fieldx + 1;
8431   if (lev_fieldx < ed_fieldx - 2)
8432     level_xpos = -1;
8433
8434   if (level_ypos < -1)
8435     level_ypos = -1;
8436   if (level_ypos > lev_fieldy - ed_fieldy + 1)
8437     level_ypos = lev_fieldy - ed_fieldy + 1;
8438   if (lev_fieldy < ed_fieldy - 2)
8439     level_ypos = -1;
8440 }
8441
8442 static void AdjustEditorScrollbar(int id)
8443 {
8444   struct GadgetInfo *gi = level_editor_gadget[id];
8445   int items_max, items_visible, item_position;
8446
8447   if (id == GADGET_ID_SCROLL_HORIZONTAL)
8448   {
8449     items_max = MAX(lev_fieldx + 2, ed_fieldx);
8450     items_visible = ed_fieldx;
8451     item_position = level_xpos + 1;
8452   }
8453   else
8454   {
8455     items_max = MAX(lev_fieldy + 2, ed_fieldy);
8456     items_visible = ed_fieldy;
8457     item_position = level_ypos + 1;
8458   }
8459
8460   if (item_position > items_max - items_visible)
8461     item_position = items_max - items_visible;
8462
8463   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
8464                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
8465 }
8466
8467 static void AdjustElementListScrollbar()
8468 {
8469   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
8470   int items_max, items_visible, item_position;
8471
8472   /* correct position of element list scrollbar */
8473   if (element_shift < 0)
8474     element_shift = 0;
8475   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
8476     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
8477
8478   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
8479   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
8480   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
8481
8482   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
8483                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
8484                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
8485 }
8486
8487 static void ModifyEditorCounterValue(int counter_id, int new_value)
8488 {
8489   int *counter_value = counterbutton_info[counter_id].value;
8490   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
8491   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8492
8493   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
8494
8495   if (counter_value != NULL)
8496     *counter_value = gi->textinput.number_value;
8497 }
8498
8499 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
8500 {
8501   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
8502   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8503
8504   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
8505
8506   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
8507       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
8508   {
8509     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
8510     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
8511
8512     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
8513     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_SMALL_DISTANCE,
8514                  GDI_END);
8515   }
8516 }
8517
8518 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
8519 {
8520   int gadget_id = selectbox_info[selectbox_id].gadget_id;
8521   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8522   int new_index_value = setSelectboxValue(selectbox_id, new_value);
8523
8524   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
8525 }
8526
8527 static void ModifyEditorSelectboxOptions(int selectbox_id,
8528                                          struct ValueTextInfo *options)
8529 {
8530   int gadget_id = selectbox_info[selectbox_id].gadget_id;
8531   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8532
8533   selectbox_info[selectbox_id].options = options;
8534
8535   /* set index to zero -- list may be shorter now (correct later, if needed) */
8536   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
8537                GDI_SELECTBOX_OPTIONS, options, GDI_END);
8538 }
8539
8540 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
8541 {
8542   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
8543   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8544
8545   drawingarea_info[drawingarea_id].area_xsize = xsize;
8546   drawingarea_info[drawingarea_id].area_ysize = ysize;
8547
8548   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
8549 }
8550
8551 static void ModifyEditorElementList()
8552 {
8553   int i;
8554
8555   if (!use_permanent_palette && edit_mode != ED_MODE_PALETTE)
8556     return;
8557
8558   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
8559   {
8560     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
8561     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8562     struct GadgetDesign *gd = &gi->deco.design;
8563     int element = editor_elements[element_shift + i];
8564     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
8565
8566     UnmapGadget(gi);
8567
8568     getEditorGraphicSource(element, tile_size, &gd->bitmap, &gd->x, &gd->y);
8569
8570     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
8571
8572     MapGadget(gi);
8573   }
8574 }
8575
8576 static void DrawDrawingElementGraphic(int element, struct XYTileSize *pos)
8577 {
8578   int graphic = el2edimg(element);
8579   int tile_size = BUTTON_TILE_SIZE(pos->tile_size);
8580
8581   if (pos->x == -1 &&
8582       pos->y == -1)
8583     return;
8584
8585   DrawSizedGraphicExt(drawto, DX + pos->x, DY + pos->y, graphic, 0, tile_size);
8586 }
8587
8588 static void ModifyDrawingElementButton(int element, int id)
8589 {
8590   struct GadgetInfo *gi = level_editor_gadget[id];
8591   Bitmap *deco_bitmap;
8592   int deco_x, deco_y;
8593   int tile_size = gi->deco.width;
8594
8595   getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
8596
8597   ModifyGadget(gi, GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y, GDI_END);
8598 }
8599
8600 static void PickDrawingElement(int button, int element)
8601 {
8602   struct
8603   {
8604     int *new_element;
8605     struct XYTileSize *pos;
8606     int id;
8607   } de, drawing_elements[] =
8608   {
8609     { &new_element1, &editor.palette.element_left,   GADGET_ID_ELEMENT_LEFT   },
8610     { &new_element2, &editor.palette.element_middle, GADGET_ID_ELEMENT_MIDDLE },
8611     { &new_element3, &editor.palette.element_right,  GADGET_ID_ELEMENT_RIGHT  },
8612   };
8613
8614   if (button < 1 || button > 3)
8615     return;
8616
8617   if (IS_MM_WALL(element))
8618     element = map_mm_wall_element(element);
8619
8620   de = drawing_elements[button - 1];
8621
8622   *de.new_element = element;    // update global drawing element variable
8623
8624   DrawDrawingElementGraphic(element, de.pos);
8625   ModifyDrawingElementButton(element, de.id);
8626
8627   redraw_mask |= REDRAW_DOOR_1;
8628 }
8629
8630 static void RedrawDrawingElements()
8631 {
8632   PickDrawingElement(1, new_element1);
8633   PickDrawingElement(2, new_element2);
8634   PickDrawingElement(3, new_element3);
8635 }
8636
8637 static void DrawDrawingWindow()
8638 {
8639   stick_element_properties_window = FALSE;
8640
8641   SetMainBackgroundImage(IMG_UNDEFINED);
8642   ClearField();
8643
8644   UnmapLevelEditorFieldGadgets();
8645   UnmapLevelEditorToolboxCustomGadgets();
8646
8647   AdjustDrawingAreaGadgets();
8648   AdjustLevelScrollPosition();
8649   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
8650   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
8651
8652   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
8653
8654   MapMainDrawingArea();
8655   MapLevelEditorToolboxDrawingGadgets();
8656 }
8657
8658 static int getTabulatorBarWidth()
8659 {
8660   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
8661   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
8662
8663   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
8664 }
8665
8666 static int getTabulatorBarHeight()
8667 {
8668   return ED_TAB_BAR_HEIGHT;
8669 }
8670
8671 static void DrawLevelInfoTabulatorGadgets()
8672 {
8673   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
8674   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
8675   int gd_x = gd->x + gd_gi1->border.width / 2;
8676   int gd_y = gd->y + gd_gi1->height - 1;
8677   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
8678   int id_first = ED_TAB_BUTTON_ID_LEVELINFO_FIRST;
8679   int id_last  = ED_TAB_BUTTON_ID_LEVELINFO_LAST;
8680   int i;
8681
8682   for (i = id_first; i <= id_last; i++)
8683   {
8684     int gadget_id = textbutton_info[i].gadget_id;
8685     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8686     boolean active = (i != edit_mode_levelinfo);
8687
8688     /* draw background line below tabulator button */
8689     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
8690
8691     /* draw solid line below inactive tabulator buttons */
8692     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
8693       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
8694                     ED_GADGET_TINY_DISTANCE, tab_color);
8695
8696     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
8697     MapTextbuttonGadget(i);
8698   }
8699
8700   /* draw little border line below tabulator buttons */
8701   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
8702     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
8703                   ED_GADGET_TINY_DISTANCE,
8704                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
8705 }
8706
8707 static void DrawPropertiesTabulatorGadgets()
8708 {
8709   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
8710   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
8711   int gd_x = gd->x + gd_gi1->border.width / 2;
8712   int gd_y = gd->y + gd_gi1->height - 1;
8713   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
8714   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
8715   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
8716   int i;
8717
8718   /* draw two config tabulators for player elements */
8719   if (ELEM_IS_PLAYER(properties_element))
8720     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
8721
8722   /* draw two config and one "change" tabulator for custom elements */
8723   if (IS_CUSTOM_ELEMENT(properties_element))
8724     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
8725
8726   for (i = id_first; i <= id_last; i++)
8727   {
8728     int gadget_id = textbutton_info[i].gadget_id;
8729     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8730     boolean active = (i != edit_mode_properties);
8731
8732     /* use "config 1" and "config 2" instead of "config" for players and CEs */
8733     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
8734         (ELEM_IS_PLAYER(properties_element) ||
8735          IS_CUSTOM_ELEMENT(properties_element)))
8736       continue;
8737
8738     /* draw background line below tabulator button */
8739     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
8740
8741     /* draw solid line below inactive tabulator buttons */
8742     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
8743       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
8744                     ED_GADGET_TINY_DISTANCE, tab_color);
8745
8746     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
8747     MapTextbuttonGadget(i);
8748   }
8749
8750   /* draw little border line below tabulator buttons */
8751   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
8752     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
8753                   ED_GADGET_TINY_DISTANCE,
8754                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
8755 }
8756
8757 static void PrintInfoText(char *text, int font_nr, int xpos, int ypos)
8758 {
8759   DrawText(SX + xpos, SY + ypos, text, font_nr);
8760 }
8761
8762 static int PrintElementDescriptionFromFile(char *filename, int font_nr,
8763                                            int xpos, int ypos)
8764 {
8765   int font_width = getFontWidth(font_nr);
8766   int font_height = getFontHeight(font_nr);
8767   int max_chars_per_line = (SXSIZE - 2 * xpos) / font_width;
8768   int max_lines_drawable = (SYSIZE - ypos) / font_height - 1;
8769
8770   return DrawTextFile(SX + xpos, SY + ypos, filename, font_nr,
8771                       max_chars_per_line, -1, max_lines_drawable, 0, -1,
8772                       TRUE, FALSE, FALSE);
8773 }
8774
8775 static void DrawLevelInfoLevel()
8776 {
8777   int i;
8778
8779   /* draw counter gadgets */
8780   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
8781     MapCounterButtons(i);
8782
8783   /* draw checkbutton gadgets */
8784   for (i = ED_CHECKBUTTON_ID_LEVEL_FIRST; i<= ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
8785     MapCheckbuttonGadget(i);
8786
8787   /* draw selectbox gadgets */
8788   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
8789     MapSelectboxGadget(i);
8790
8791   /* draw text input gadgets */
8792   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
8793     MapTextInputGadget(i);
8794 }
8795
8796 static char *getLevelSubdirFromSaveMode(int save_mode)
8797 {
8798   if (save_mode == LEVELSET_SAVE_MODE_CREATE)
8799     return getNewUserLevelSubdir();
8800
8801   return leveldir_current->subdir;
8802 }
8803
8804 static void DrawLevelInfoLevelSet_DirectoryInfo()
8805 {
8806   char *directory_text = "Level set directory:";
8807   char *directory_name = getLevelSubdirFromSaveMode(levelset_save_mode);
8808   int font1_nr = FONT_TEXT_1;
8809   int font2_nr = FONT_TEXT_2;
8810   int font1_height = getFontHeight(font1_nr);
8811   int yoffset_above = font1_height + ED_GADGET_LINE_DISTANCE;
8812   int x = ED_LEVEL_SETTINGS_X(0);
8813   int y = ED_LEVEL_SETTINGS_Y(6);
8814
8815   PrintInfoText(directory_text, font1_nr, x, y - yoffset_above);
8816   PrintInfoText(directory_name, font2_nr, x, y);
8817 }
8818
8819 static void DrawLevelInfoLevelSet()
8820 {
8821   int i;
8822
8823   /* draw counter gadgets */
8824   for (i = ED_COUNTER_ID_LEVELSET_FIRST; i <= ED_COUNTER_ID_LEVELSET_LAST; i++)
8825     MapCounterButtons(i);
8826
8827   /* draw selectbox gadgets */
8828   for (i = ED_SELECTBOX_ID_LEVELSET_FIRST; i <= ED_SELECTBOX_ID_LEVELSET_LAST; i++)
8829     MapSelectboxGadget(i);
8830
8831   /* draw text input gadgets */
8832   for (i = ED_TEXTINPUT_ID_LEVELSET_FIRST; i <= ED_TEXTINPUT_ID_LEVELSET_LAST; i++)
8833     MapTextInputGadget(i);
8834
8835   /* draw textbutton gadgets */
8836   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_LEVELSET);
8837
8838   /* draw info text */
8839   DrawLevelInfoLevelSet_DirectoryInfo();
8840 }
8841
8842 static void DrawLevelInfoEditor()
8843 {
8844   int i;
8845
8846   /* draw counter gadgets */
8847   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
8848     MapCounterButtons(i);
8849
8850   /* draw checkbutton gadgets */
8851   for (i=ED_CHECKBUTTON_ID_EDITOR_FIRST; i<= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
8852     MapCheckbuttonGadget(i);
8853
8854   /* draw radiobutton gadgets */
8855   for (i=ED_RADIOBUTTON_ID_EDITOR_FIRST; i<= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
8856     MapRadiobuttonGadget(i);
8857
8858   /* draw drawing area */
8859   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
8860
8861   /* draw textbutton gadgets */
8862   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2);
8863 }
8864
8865 static void DrawLevelInfoWindow()
8866 {
8867   char *text = "Global Settings";
8868   int font_nr = FONT_TITLE_1;
8869   struct MenuPosInfo *pos = &editor.settings.headline;
8870   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font_nr), pos->align);
8871   int sy = SY + pos->y;
8872
8873   stick_element_properties_window = FALSE;
8874
8875   SetAutomaticNumberOfGemsNeeded();
8876
8877   UnmapLevelEditorFieldGadgets();
8878
8879   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
8880   ClearField();
8881
8882   DrawText(sx, sy, text, font_nr);
8883
8884   DrawLevelInfoTabulatorGadgets();
8885
8886   if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVEL)
8887     DrawLevelInfoLevel();
8888   else if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVELSET)
8889     DrawLevelInfoLevelSet();
8890   else if (edit_mode_levelinfo == ED_MODE_LEVELINFO_EDITOR)
8891     DrawLevelInfoEditor();
8892 }
8893
8894 static void DrawCustomContentArea()
8895 {
8896   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
8897   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
8898   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
8899   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
8900   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
8901   int xoffset = ED_GADGET_SPACE_DISTANCE;
8902
8903   /* add distance for potential left text (without drawing area border) */
8904   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
8905
8906   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
8907
8908   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
8909 }
8910
8911 static void DrawCustomChangeContentArea()
8912 {
8913   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
8914   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
8915   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
8916   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
8917   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
8918   int xoffset = ED_GADGET_SPACE_DISTANCE;
8919
8920   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
8921
8922   MapDrawingArea(id);
8923 }
8924
8925 static void RemoveElementContentArea(int id, int font_height)
8926 {
8927   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
8928
8929   DrawBackground(SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size,
8930                  SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size,
8931                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
8932                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size +
8933                  ED_GADGET_TEXT_DISTANCE + font_height);
8934 }
8935
8936 static void DrawYamYamContentAreas()
8937 {
8938   int font_nr = FONT_TEXT_1;
8939   int font_height = getFontHeight(font_nr);
8940   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
8941   int yoffset = (tilesize - font_height) / 2;
8942   int x = SX + ED_AREA_YAMYAM_CONTENT_X(3) + 4 * tilesize;
8943   int y = SY + ED_AREA_YAMYAM_CONTENT_Y(3) + yoffset;
8944   int i;
8945
8946   /* display counter to choose number of element content areas */
8947   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
8948
8949   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
8950   {
8951     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
8952
8953     if (i < level.num_yamyam_contents)
8954     {
8955       MapDrawingArea(id);
8956     }
8957     else
8958     {
8959       UnmapDrawingArea(id);
8960
8961       /* delete content areas in case of reducing number of them */
8962       RemoveElementContentArea(id, font_height);
8963     }
8964   }
8965
8966   DrawText(x, y + 0 * tilesize, "content", font_nr);
8967   DrawText(x, y + 1 * tilesize, "when",    font_nr);
8968   DrawText(x, y + 2 * tilesize, "smashed", font_nr);
8969 }
8970
8971 static void DrawMagicBallContentAreas()
8972 {
8973   int font_nr = FONT_TEXT_1;
8974   int font_height = getFontHeight(font_nr);
8975   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
8976   int yoffset = (tilesize - font_height) / 2;
8977   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_X(3) + 4 * tilesize;
8978   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_Y(3) + yoffset;
8979   int i;
8980
8981   /* display counter to choose number of element content areas */
8982   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
8983
8984   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
8985   {
8986     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
8987
8988     if (i < level.num_ball_contents)
8989     {
8990       MapDrawingArea(id);
8991     }
8992     else
8993     {
8994       UnmapDrawingArea(id);
8995
8996       /* delete content areas in case of reducing number of them */
8997       RemoveElementContentArea(id, font_height);
8998     }
8999   }
9000
9001   DrawText(x, y + 0 * tilesize, "generated", font_nr);
9002   DrawText(x, y + 1 * tilesize, "when",      font_nr);
9003   DrawText(x, y + 2 * tilesize, "active",    font_nr);
9004 }
9005
9006 static void DrawAndroidElementArea(int element)
9007 {
9008   int id = ED_DRAWING_ID_ANDROID_CONTENT;
9009   int num_elements = level.num_android_clone_elements;
9010   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9011   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9012   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9013   int xsize = MAX_ANDROID_ELEMENTS;
9014   int ysize = 1;
9015
9016   /* display counter to choose number of element areas */
9017   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
9018
9019   if (drawingarea_info[id].text_left != NULL)
9020     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9021
9022   UnmapDrawingArea(id);
9023
9024   ModifyEditorDrawingArea(id, num_elements, 1);
9025
9026   /* delete content areas in case of reducing number of them */
9027   DrawBackground(sx, sy,
9028                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9029                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9030
9031   MapDrawingArea(id);
9032 }
9033
9034 static void DrawGroupElementArea(int element)
9035 {
9036   int id = ED_DRAWING_ID_GROUP_CONTENT;
9037   int num_elements = group_element_info.num_elements;
9038   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9039   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9040   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9041   int xsize = MAX_ELEMENTS_IN_GROUP;
9042   int ysize = 1;
9043
9044   if (drawingarea_info[id].text_left != NULL)
9045     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9046
9047   UnmapDrawingArea(id);
9048
9049   ModifyEditorDrawingArea(id, num_elements, 1);
9050
9051   /* delete content areas in case of reducing number of them */
9052   DrawBackground(sx, sy,
9053                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9054                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9055
9056   MapDrawingArea(id);
9057 }
9058
9059 static void DrawPlayerInitialInventoryArea(int element)
9060 {
9061   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
9062   int player_nr = GET_PLAYER_NR(element);
9063   int num_elements = level.initial_inventory_size[player_nr];
9064   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9065   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9066   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9067   int xsize = MAX_INITIAL_INVENTORY_SIZE;
9068   int ysize = 1;
9069
9070   /* determine horizontal position to the right of specified gadget */
9071   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
9072     sx = (right_gadget_border[drawingarea_info[id].gadget_id_align] +
9073           ED_DRAWINGAREA_TEXT_DISTANCE);
9074
9075   /* determine horizontal offset for leading text */
9076   if (drawingarea_info[id].text_left != NULL)
9077     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9078
9079   UnmapDrawingArea(id);
9080
9081   ModifyEditorDrawingArea(id, num_elements, 1);
9082
9083   /* delete content areas in case of reducing number of them */
9084   DrawBackground(sx, sy,
9085                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9086                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9087
9088   MapDrawingArea(id);
9089 }
9090
9091 static void DrawEnvelopeTextArea(int envelope_nr)
9092 {
9093   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
9094   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
9095
9096   UnmapGadget(gi);
9097   DrawBackground(gi->x, gi->y, gi->width, gi->height);
9098
9099   if (envelope_nr != -1)
9100     textarea_info[id].value = level.envelope[envelope_nr].text;
9101
9102   ModifyGadget(gi, GDI_AREA_SIZE,
9103                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
9104                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
9105                GDI_END);
9106
9107   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
9108 }
9109
9110 static void DrawPropertiesInfo()
9111 {
9112   static struct
9113   {
9114     int value;
9115     char *text;
9116   }
9117   properties[] =
9118   {
9119     /* configurable properties */
9120
9121     { EP_WALKABLE_OVER,         "- player can walk over it"             },
9122     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
9123     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
9124     { EP_PASSABLE_OVER,         "- player can pass over it"             },
9125     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
9126     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
9127     { EP_PROTECTED,             "- player is protected by it"           },
9128
9129     { EP_DIGGABLE,              "- can be digged away"                  },
9130     { EP_COLLECTIBLE,           "- can be collected"                    },
9131     { EP_DROPPABLE,             "- can be dropped after collecting"     },
9132     { EP_THROWABLE,             "- can be thrown after collecting"      },
9133     { EP_PUSHABLE,              "- can be pushed"                       },
9134
9135     { EP_CAN_FALL,              "- can fall"                            },
9136     { EP_CAN_MOVE,              "- can move"                            },
9137
9138     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
9139 #if 0
9140     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
9141 #endif
9142     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
9143
9144     { EP_SLIPPERY,              "- slippery for falling elements"       },
9145     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
9146
9147     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
9148     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
9149     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
9150     { EP_DONT_TOUCH,            "- deadly when touching"                },
9151
9152     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
9153
9154     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
9155     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
9156     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
9157
9158     { EP_CAN_CHANGE,            "- can change to other element"         },
9159
9160     /* pre-defined properties */
9161     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
9162     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
9163     { EP_SWITCHABLE,            "- can be switched"                     },
9164 #if 0
9165     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
9166 #endif
9167
9168     { -1,                       NULL                                    }
9169   };
9170   char *filename = getElementDescriptionFilename(properties_element);
9171   char *percentage_text = "In this level: ";
9172   char *properties_text = "Standard properties: ";
9173   char *description_text = "Description:";
9174   char *no_description_text = "No description available.";
9175   char *none_text = "None";
9176   float percentage;
9177   int num_elements_in_level;
9178   int num_standard_properties = 0;
9179   int font1_nr = FONT_TEXT_1;
9180   int font2_nr = FONT_TEXT_2;
9181   int font1_width = getFontWidth(font1_nr);
9182   int font1_height = getFontHeight(font1_nr);
9183   int font2_height = getFontHeight(font2_nr);
9184   int line1_height = font1_height + ED_GADGET_LINE_DISTANCE;
9185   int font2_yoffset = (font1_height - font2_height) / 2;
9186   int percentage_text_len = strlen(percentage_text) * font1_width;
9187   int properties_text_len = strlen(properties_text) * font1_width;
9188   int xpos = ED_ELEMENT_SETTINGS_X(0);
9189   int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
9190   int i, x, y;
9191
9192   if (setup.editor.show_element_token)
9193   {
9194     int font3_nr = FONT_TEXT_3;
9195     int font3_height = getFontHeight(font3_nr);
9196
9197     DrawTextF(xpos, ypos, font3_nr,
9198               "[%s]", element_info[properties_element].token_name);
9199
9200     ypos += 2 * font3_height;
9201   }
9202
9203   /* ----- print number of elements / percentage of this element in level */
9204
9205   num_elements_in_level = 0;
9206   for (y = 0; y < lev_fieldy; y++)
9207     for (x = 0; x < lev_fieldx; x++)
9208       if (Feld[x][y] == properties_element)
9209         num_elements_in_level++;
9210   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
9211
9212   DrawTextS(xpos, ypos, font1_nr, percentage_text);
9213
9214   if (num_elements_in_level > 0)
9215     DrawTextF(xpos + percentage_text_len, ypos + font2_yoffset, font2_nr,
9216               "%d (%.2f %%)", num_elements_in_level, percentage);
9217   else
9218     DrawTextF(xpos + percentage_text_len, ypos + font2_yoffset, font2_nr,
9219               none_text);
9220
9221   ypos += 2 * MAX(font1_height, font2_height);
9222
9223   /* ----- print standard properties of this element */
9224
9225   DrawTextS(xpos, ypos, font1_nr, properties_text);
9226
9227   ypos += line1_height;
9228
9229   for (i = 0; properties[i].value != -1; i++)
9230   {
9231     if (!HAS_PROPERTY(properties_element, properties[i].value))
9232       continue;
9233
9234     DrawTextS(xpos, ypos, font2_nr, properties[i].text);
9235
9236     ypos += font2_height;
9237
9238     num_standard_properties++;
9239   }
9240
9241   if (num_standard_properties == 0)
9242   {
9243     DrawTextS(xpos + properties_text_len, ypos - line1_height + font2_yoffset,
9244               font2_nr, none_text);
9245
9246     ypos -= (line1_height - font1_height);
9247   }
9248
9249   ypos += MAX(font1_height, font2_height);
9250
9251   /* ----- print special description of this element */
9252
9253   PrintInfoText(description_text, font1_nr, xpos, ypos);
9254
9255   ypos += line1_height;
9256
9257   if (PrintElementDescriptionFromFile(filename, font2_nr, xpos, ypos) == 0)
9258     PrintInfoText(no_description_text, font1_nr, xpos, ypos - line1_height);
9259 }
9260
9261 #define TEXT_COLLECTING         "Score for collecting"
9262 #define TEXT_SMASHING           "Score for smashing"
9263 #define TEXT_SLURPING           "Score for slurping robot"
9264 #define TEXT_CRACKING           "Score for cracking"
9265 #define TEXT_AMOEBA_SPEED       "Speed of amoeba growth"
9266 #define TEXT_DURATION           "Duration when activated"
9267 #define TEXT_DELAY_ON           "Delay before activating"
9268 #define TEXT_DELAY_OFF          "Delay before deactivating"
9269 #define TEXT_DELAY_EXPLODING    "Delay before exploding"
9270 #define TEXT_DELAY_MOVING       "Delay before moving"
9271 #define TEXT_BALL_DELAY         "Element generation delay"
9272 #define TEXT_MOVE_SPEED         "Speed of android moving"
9273 #define TEXT_CLONE_SPEED        "Speed of android cloning"
9274 #define TEXT_GAME_OF_LIFE_1     "Min neighbours to survive"
9275 #define TEXT_GAME_OF_LIFE_2     "Max neighbours to survive"
9276 #define TEXT_GAME_OF_LIFE_3     "Min neighbours to create"
9277 #define TEXT_GAME_OF_LIFE_4     "Max neighbours to create"
9278 #define TEXT_TIME_BONUS         "Extra time to solve level"
9279
9280 static struct
9281 {
9282   int element;
9283   int *value;
9284   char *text;
9285 } elements_with_counter[] =
9286 {
9287   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
9288   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
9289   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
9290   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
9291   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
9292   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
9293   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
9294   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
9295   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
9296   { EL_BUG,             &level.score[SC_BUG],           TEXT_SMASHING   },
9297   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
9298   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
9299   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
9300   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
9301   { EL_BD_BUTTERFLY,    &level.score[SC_BUG],           TEXT_SMASHING   },
9302   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
9303   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
9304   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
9305   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
9306   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
9307   { EL_SPACESHIP,       &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9308   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9309   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9310   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9311   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9312   { EL_BD_FIREFLY,      &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9313   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9314   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9315   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9316   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9317   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9318   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9319   { EL_YAMYAM_LEFT,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9320   { EL_YAMYAM_RIGHT,    &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9321   { EL_YAMYAM_UP,       &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9322   { EL_YAMYAM_DOWN,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9323   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9324   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
9325   { EL_PACMAN,          &level.score[SC_PACMAN],        TEXT_SMASHING   },
9326   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
9327   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
9328   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
9329   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
9330   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
9331   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
9332   { EL_EM_DYNAMITE,     &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
9333   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
9334   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],TEXT_COLLECTING },
9335   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],TEXT_COLLECTING },
9336   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
9337   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
9338   { EL_EXTRA_TIME,      &level.extra_time_score,        TEXT_COLLECTING },
9339   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
9340   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
9341   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
9342   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
9343   { EL_EM_KEY_1,        &level.score[SC_KEY],           TEXT_COLLECTING },
9344   { EL_EM_KEY_2,        &level.score[SC_KEY],           TEXT_COLLECTING },
9345   { EL_EM_KEY_3,        &level.score[SC_KEY],           TEXT_COLLECTING },
9346   { EL_EM_KEY_4,        &level.score[SC_KEY],           TEXT_COLLECTING },
9347   { EL_EMC_KEY_5,       &level.score[SC_KEY],           TEXT_COLLECTING },
9348   { EL_EMC_KEY_6,       &level.score[SC_KEY],           TEXT_COLLECTING },
9349   { EL_EMC_KEY_7,       &level.score[SC_KEY],           TEXT_COLLECTING },
9350   { EL_EMC_KEY_8,       &level.score[SC_KEY],           TEXT_COLLECTING },
9351   { EL_DC_KEY_WHITE,    &level.score[SC_KEY],           TEXT_COLLECTING },
9352   { EL_MM_KETTLE,       &level.score[SC_EMERALD],       TEXT_COLLECTING },
9353   { EL_DF_CELL,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
9354   { EL_MM_KEY,          &level.score[SC_KEY],           TEXT_COLLECTING },
9355   { EL_MM_LIGHTBALL,    &level.score[SC_ELEM_BONUS],    TEXT_COLLECTING },
9356   { EL_MM_PACMAN,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
9357   { EL_MM_PACMAN_RIGHT, &level.score[SC_PACMAN],        TEXT_SMASHING   },
9358   { EL_MM_PACMAN_UP,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
9359   { EL_MM_PACMAN_LEFT,  &level.score[SC_PACMAN],        TEXT_SMASHING   },
9360   { EL_MM_PACMAN_DOWN,  &level.score[SC_PACMAN],        TEXT_SMASHING   },
9361   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9362   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9363   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9364   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9365   { EL_EMC_DRIPPER,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9366   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
9367   { EL_BD_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
9368   { EL_DC_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
9369   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
9370
9371   { EL_TIMEGATE_SWITCH,   &level.time_timegate,         TEXT_DURATION   },
9372   { EL_DC_TIMEGATE_SWITCH,&level.time_timegate,         TEXT_DURATION   },
9373   { EL_LIGHT_SWITCH,    &level.time_light,              TEXT_DURATION   },
9374   { EL_LIGHT_SWITCH_ACTIVE, &level.time_light,          TEXT_DURATION   },
9375   { EL_SHIELD_NORMAL,   &level.shield_normal_time,      TEXT_DURATION   },
9376   { EL_SHIELD_DEADLY,   &level.shield_deadly_time,      TEXT_DURATION   },
9377   { EL_EXTRA_TIME,      &level.extra_time,              TEXT_TIME_BONUS },
9378   { EL_TIME_ORB_FULL,   &level.time_orb_time,           TEXT_TIME_BONUS },
9379   { EL_GAME_OF_LIFE,    &level.game_of_life[0],         TEXT_GAME_OF_LIFE_1 },
9380   { EL_GAME_OF_LIFE,    &level.game_of_life[1],         TEXT_GAME_OF_LIFE_2 },
9381   { EL_GAME_OF_LIFE,    &level.game_of_life[2],         TEXT_GAME_OF_LIFE_3 },
9382   { EL_GAME_OF_LIFE,    &level.game_of_life[3],         TEXT_GAME_OF_LIFE_4 },
9383   { EL_BIOMAZE,         &level.biomaze[0],              TEXT_GAME_OF_LIFE_1 },
9384   { EL_BIOMAZE,         &level.biomaze[1],              TEXT_GAME_OF_LIFE_2 },
9385   { EL_BIOMAZE,         &level.biomaze[2],              TEXT_GAME_OF_LIFE_3 },
9386   { EL_BIOMAZE,         &level.biomaze[3],              TEXT_GAME_OF_LIFE_4 },
9387
9388   { EL_EMC_ANDROID,     &level.android_move_time,       TEXT_MOVE_SPEED },
9389   { EL_EMC_ANDROID,     &level.android_clone_time,      TEXT_CLONE_SPEED },
9390   { EL_EMC_MAGIC_BALL,  &level.ball_time,               TEXT_BALL_DELAY },
9391   { EL_EMC_LENSES,      &level.lenses_score,            TEXT_COLLECTING },
9392   { EL_EMC_MAGNIFIER,   &level.magnify_score,           TEXT_COLLECTING },
9393   { EL_SPRING,          &level.slurp_score,             TEXT_SLURPING   },
9394   { EL_EMC_LENSES,      &level.lenses_time,             TEXT_DURATION   },
9395   { EL_EMC_MAGNIFIER,   &level.magnify_time,            TEXT_DURATION   },
9396   { EL_MM_FUSE_ACTIVE,  &level.mm_time_fuse,            TEXT_DELAY_OFF  },
9397   { EL_MM_BOMB,         &level.mm_time_bomb,            TEXT_DELAY_EXPLODING },
9398   { EL_MM_GRAY_BALL,    &level.mm_time_ball,            TEXT_DELAY_ON   },
9399   { EL_MM_STEEL_BLOCK,  &level.mm_time_block,           TEXT_DELAY_MOVING },
9400   { EL_MM_WOODEN_BLOCK, &level.mm_time_block,           TEXT_DELAY_MOVING },
9401
9402   { -1,                 NULL,                           NULL            }
9403 };
9404
9405 static boolean checkPropertiesConfig(int element)
9406 {
9407   int i;
9408
9409   if (IS_GEM(element) ||
9410       IS_CUSTOM_ELEMENT(element) ||
9411       IS_GROUP_ELEMENT(element) ||
9412       IS_BALLOON_ELEMENT(element) ||
9413       IS_ENVELOPE(element) ||
9414       IS_MM_MCDUFFIN(element) ||
9415       IS_DF_LASER(element) ||
9416       ELEM_IS_PLAYER(element) ||
9417       HAS_EDITOR_CONTENT(element) ||
9418       CAN_GROW(element) ||
9419       COULD_MOVE_INTO_ACID(element) ||
9420       MAYBE_DONT_COLLIDE_WITH(element) ||
9421       element == EL_SOKOBAN_OBJECT ||
9422       element == EL_SOKOBAN_FIELD_EMPTY ||
9423       element == EL_SOKOBAN_FIELD_FULL)
9424     return TRUE;
9425   else
9426     for (i = 0; elements_with_counter[i].element != -1; i++)
9427       if (elements_with_counter[i].element == element)
9428         return TRUE;
9429
9430   return FALSE;
9431 }
9432
9433 static void SetAutomaticNumberOfGemsNeeded()
9434 {
9435   int x, y;
9436
9437   if (!level.auto_count_gems)
9438     return;
9439
9440   level.gems_needed = 0;
9441
9442   for (x = 0; x < lev_fieldx; x++)
9443   {
9444     for (y = 0; y < lev_fieldy; y++)
9445     {
9446       int element = Feld[x][y];
9447
9448       if (IS_GEM(element) ||
9449           element == EL_MM_KETTLE ||
9450           element == EL_DF_CELL)
9451         level.gems_needed++;
9452     }
9453   }
9454
9455   ModifyEditorCounterValue(ED_COUNTER_ID_LEVEL_GEMSLIMIT, level.gems_needed);
9456 }
9457
9458 static void DrawPropertiesConfig()
9459 {
9460   boolean draw_footer_line = FALSE;
9461   int max_num_element_counters = 4;
9462   int num_element_counters = 0;
9463   int i;
9464
9465   if (!checkPropertiesConfig(properties_element))
9466   {
9467     int xpos = ED_ELEMENT_SETTINGS_X(0);
9468     int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
9469
9470     PrintInfoText("No configuration options available.",
9471                   FONT_TEXT_1, xpos, ypos);
9472
9473     return;
9474   }
9475
9476   /* check if there are elements where a value can be chosen for */
9477   for (i = 0; elements_with_counter[i].element != -1; i++)
9478   {
9479     if (elements_with_counter[i].element == properties_element)
9480     {
9481       int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
9482
9483       counterbutton_info[counter_id].y =
9484         ED_ELEMENT_SETTINGS_YPOS(
9485                 (HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
9486                 (CAN_GROW(properties_element)                ? 1 : 0) +
9487                 (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
9488                 (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
9489                 (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
9490                 num_element_counters);
9491
9492       counterbutton_info[counter_id].value = elements_with_counter[i].value;
9493       counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
9494
9495       if (properties_element == EL_GAME_OF_LIFE ||
9496           properties_element == EL_BIOMAZE)
9497       {
9498         counterbutton_info[counter_id].min_value = 0;   /* min neighbours */
9499         counterbutton_info[counter_id].max_value = 8;   /* max neighbours */
9500       }
9501       else
9502       {
9503         /* !!! CHANGE THIS FOR CERTAIN ELEMENTS !!! */
9504         counterbutton_info[counter_id].min_value = MIN_SCORE;
9505         counterbutton_info[counter_id].max_value = MAX_SCORE;
9506       }
9507
9508       MapCounterButtons(counter_id);
9509
9510       num_element_counters++;
9511       if (num_element_counters >= max_num_element_counters)
9512         break;
9513     }
9514   }
9515
9516   if (HAS_EDITOR_CONTENT(properties_element))
9517   {
9518     /* draw stickybutton gadget */
9519     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9520
9521     if (IS_AMOEBOID(properties_element))
9522       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
9523     else if (properties_element == EL_YAMYAM ||
9524              properties_element == EL_YAMYAM_LEFT ||
9525              properties_element == EL_YAMYAM_RIGHT ||
9526              properties_element == EL_YAMYAM_UP ||
9527              properties_element == EL_YAMYAM_DOWN)
9528       DrawYamYamContentAreas();
9529     else if (properties_element == EL_EMC_MAGIC_BALL)
9530     {
9531       DrawMagicBallContentAreas();
9532
9533       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
9534       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_STATE);
9535     }
9536     else if (properties_element == EL_EMC_ANDROID)
9537       DrawAndroidElementArea(properties_element);
9538   }
9539
9540   if (ELEM_IS_PLAYER(properties_element))
9541   {
9542     int player_nr = GET_PLAYER_NR(properties_element);
9543
9544     /* these properties can be set for every player individually */
9545
9546     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
9547     {
9548       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
9549         &level.start_element[player_nr];
9550       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
9551         &level.artwork_element[player_nr];
9552       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
9553         &level.explosion_element[player_nr];
9554
9555       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
9556         &level.use_start_element[player_nr];
9557       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
9558         &level.use_artwork_element[player_nr];
9559       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
9560         &level.use_explosion_element[player_nr];
9561       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
9562         &level.initial_player_gravity[player_nr];
9563
9564       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
9565         &level.initial_player_stepsize[player_nr];
9566
9567       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
9568       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
9569                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
9570                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
9571       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
9572       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
9573       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
9574       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
9575       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_LAZY_RELOCATION);
9576       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
9577       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
9578       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
9579       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
9580       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
9581
9582       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
9583       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
9584       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
9585
9586       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
9587     }
9588     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
9589     {
9590       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
9591         &level.initial_inventory_content[player_nr][0];
9592
9593       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
9594         &level.initial_inventory_size[player_nr];
9595
9596       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
9597         &level.use_initial_inventory[player_nr];
9598
9599       /* draw checkbutton gadgets */
9600       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
9601
9602       /* draw counter gadgets */
9603       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
9604
9605       /* draw drawing area gadgets */
9606       DrawPlayerInitialInventoryArea(properties_element);
9607     }
9608   }
9609
9610   if (IS_GEM(properties_element))
9611     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
9612
9613   if (properties_element == EL_EM_DYNAMITE)
9614     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
9615
9616   if (COULD_MOVE_INTO_ACID(properties_element) &&
9617       !ELEM_IS_PLAYER(properties_element) &&
9618       (!IS_CUSTOM_ELEMENT(properties_element) ||
9619        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
9620   {
9621     /* set position for checkbutton for "can move into acid" */
9622     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
9623       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
9624     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
9625       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 6 :
9626                                IS_BALLOON_ELEMENT(properties_element) ||
9627                                HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
9628
9629     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
9630   }
9631
9632   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
9633     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
9634
9635   if (properties_element == EL_SPRING)
9636     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
9637
9638   if (properties_element == EL_TIME_ORB_FULL)
9639     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
9640
9641   if (CAN_GROW(properties_element))
9642   {
9643     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
9644       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
9645
9646     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
9647   }
9648
9649   if (properties_element == EL_SOKOBAN_OBJECT ||
9650       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
9651       properties_element == EL_SOKOBAN_FIELD_FULL)
9652     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
9653
9654   if (IS_BALLOON_ELEMENT(properties_element))
9655     MapSelectboxGadget(ED_SELECTBOX_ID_WIND_DIRECTION);
9656
9657   if (IS_ENVELOPE(properties_element))
9658   {
9659     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
9660     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
9661     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
9662     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
9663     int envelope_nr = properties_element - EL_ENVELOPE_1;
9664
9665     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
9666     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
9667
9668     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
9669     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
9670
9671     /* display counter to choose size of envelope text area */
9672     MapCounterButtons(counter1_id);
9673     MapCounterButtons(counter2_id);
9674
9675     /* display checkbuttons to choose auto-wrap and alignment properties */
9676     MapCheckbuttonGadget(button1_id);
9677     MapCheckbuttonGadget(button2_id);
9678
9679     DrawEnvelopeTextArea(envelope_nr);
9680   }
9681
9682   if (IS_MM_MCDUFFIN(properties_element))
9683   {
9684     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_RED);
9685     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_GREEN);
9686     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_BLUE);
9687   }
9688
9689   if (IS_DF_LASER(properties_element))
9690   {
9691     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_RED);
9692     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_GREEN);
9693     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_BLUE);
9694   }
9695
9696   if (IS_CUSTOM_ELEMENT(properties_element))
9697   {
9698     /* draw stickybutton gadget */
9699     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9700
9701     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
9702     {
9703       /* draw checkbutton gadgets */
9704       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
9705            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
9706         MapCheckbuttonGadget(i);
9707
9708       /* draw counter gadgets */
9709       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
9710            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
9711         MapCounterButtons(i);
9712
9713       /* draw selectbox gadgets */
9714       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
9715            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
9716         MapSelectboxGadget(i);
9717
9718       /* draw textbutton gadgets */
9719       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
9720
9721       /* draw text input gadgets */
9722       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
9723
9724       /* draw drawing area gadgets */
9725       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
9726
9727       draw_footer_line = TRUE;
9728     }
9729     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
9730     {
9731       /* draw checkbutton gadgets */
9732       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
9733            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
9734         MapCheckbuttonGadget(i);
9735
9736       /* draw counter gadgets */
9737       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
9738            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
9739         MapCounterButtons(i);
9740
9741       /* draw selectbox gadgets */
9742       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
9743            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
9744         MapSelectboxGadget(i);
9745
9746       /* draw drawing area gadgets */
9747       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
9748       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
9749       DrawCustomContentArea();
9750     }
9751   }
9752   else if (IS_GROUP_ELEMENT(properties_element))
9753   {
9754     /* draw stickybutton gadget */
9755     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9756
9757     /* draw checkbutton gadgets */
9758     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
9759     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
9760
9761     /* draw counter gadgets */
9762     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
9763
9764     /* draw selectbox gadgets */
9765     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
9766
9767     /* draw textbutton gadgets */
9768     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
9769
9770     /* draw drawing area gadgets */
9771     DrawGroupElementArea(properties_element);
9772
9773     /* draw text input gadgets */
9774     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
9775
9776     /* draw drawing area gadgets */
9777     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
9778
9779     draw_footer_line = TRUE;
9780   }
9781
9782   /* draw little footer border line above CE/GE use/save template gadgets */
9783   if (draw_footer_line)
9784   {
9785     struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
9786     struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
9787     int gd_x = gd->x + gd_gi1->border.width / 2;
9788     int gd_y = gd->y + gd_gi1->height - 1;
9789     Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
9790
9791     if (tab_color != BLACK_PIXEL)               /* black => transparent */
9792       FillRectangle(drawto,
9793                     SX + ED_ELEMENT_SETTINGS_X(0),
9794                     SY + ED_ELEMENT_SETTINGS_Y(14) - ED_SETTINGS_TABS_YOFFSET -
9795                     ED_TAB_BAR_HEIGHT,
9796                     getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
9797   }
9798 }
9799
9800 static void DrawPropertiesChangeDrawingAreas()
9801 {
9802   if (IS_CUSTOM_ELEMENT(properties_element))
9803   {
9804     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
9805     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
9806     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
9807
9808     DrawCustomChangeContentArea();
9809   }
9810
9811   redraw_mask |= REDRAW_FIELD;
9812 }
9813
9814 static void DrawPropertiesChange()
9815 {
9816   int i;
9817
9818   /* needed to initially set selectbox options for special action options */
9819   setSelectboxSpecialActionOptions();
9820
9821   /* draw stickybutton gadget */
9822   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9823
9824   /* draw checkbutton gadgets */
9825   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
9826        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
9827     MapCheckbuttonGadget(i);
9828
9829   /* draw counter gadgets */
9830   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
9831        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
9832     MapCounterButtons(i);
9833
9834   /* draw selectbox gadgets */
9835   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
9836        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
9837     MapSelectboxGadget(i);
9838
9839   /* draw textbutton gadgets */
9840   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
9841        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
9842     MapTextbuttonGadget(i);
9843
9844   /* draw graphicbutton gadgets */
9845   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
9846        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
9847     MapGraphicbuttonGadget(i);
9848
9849   /* draw drawing area gadgets */
9850   DrawPropertiesChangeDrawingAreas();
9851 }
9852
9853 static void DrawEditorElementAnimation(int x, int y)
9854 {
9855   int graphic = el2img(properties_element);
9856   int frame = (ANIM_MODE(graphic) == ANIM_CE_VALUE ?
9857                custom_element.ce_value_fixed_initial :
9858                ANIM_MODE(graphic) == ANIM_CE_SCORE ?
9859                custom_element.collect_score_initial : FrameCounter);
9860
9861   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
9862 }
9863
9864 static void DrawEditorElementName(int x, int y, int font_nr)
9865 {
9866   char *element_name = getElementInfoText(properties_element);
9867   int font_width = getFontWidth(font_nr);
9868   int font_height = getFontHeight(font_nr);
9869   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_X(0);
9870   int max_chars_per_line = max_text_width / font_width;
9871   char buffer[max_chars_per_line + 1];
9872
9873   if (strlen(element_name) <= max_chars_per_line)
9874     DrawTextS(x, y, font_nr, element_name);
9875   else
9876   {
9877     int next_pos = max_chars_per_line;
9878
9879     strncpy(buffer, element_name, max_chars_per_line);
9880     buffer[max_chars_per_line] = '\0';
9881
9882     if (element_name[max_chars_per_line] == ' ')
9883       next_pos++;
9884     else
9885     {
9886       int i;
9887
9888       for (i = max_chars_per_line - 1; i >= 0; i--)
9889         if (buffer[i] == ' ')
9890           break;
9891
9892       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
9893       {
9894         buffer[i] = '\0';
9895         next_pos = i + 1;
9896       }
9897     }
9898
9899     DrawTextS(x, y - font_height / 2, font_nr, buffer);
9900
9901     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
9902     buffer[max_chars_per_line] = '\0';
9903
9904     DrawTextS(x, y + font_height / 2, font_nr, buffer);
9905   }
9906 }
9907
9908 static void DrawPropertiesWindow()
9909 {
9910   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
9911   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
9912   int border_size = gd->border_size;
9913   int font_nr = FONT_TEXT_1;
9914   int font_height = getFontHeight(font_nr);
9915   int xoffset = TILEX + element_border + 3 * border_size;
9916   int yoffset = (TILEY - font_height) / 2;
9917   int x1 = editor.settings.element_graphic.x + element_border;
9918   int y1 = editor.settings.element_graphic.y + element_border;
9919   int x2 = (editor.settings.element_name.x == -1 ? x1 + xoffset :
9920             editor.settings.element_name.x);
9921   int y2 = (editor.settings.element_name.y == -1 ? y1 + yoffset :
9922             editor.settings.element_name.y);
9923   char *text = "Element Settings";
9924   int font2_nr = FONT_TITLE_1;
9925   struct MenuPosInfo *pos = &editor.settings.headline;
9926   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font2_nr), pos->align);
9927   int sy = SY + pos->y;
9928
9929   stick_element_properties_window = FALSE;
9930
9931   /* make sure that previous properties edit mode exists for this element */
9932   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
9933       !IS_CUSTOM_ELEMENT(properties_element))
9934     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
9935
9936   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
9937       !ELEM_IS_PLAYER(properties_element) &&
9938       !IS_CUSTOM_ELEMENT(properties_element))
9939     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
9940
9941   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
9942       (ELEM_IS_PLAYER(properties_element) ||
9943        IS_CUSTOM_ELEMENT(properties_element)))
9944     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
9945
9946   CopyElementPropertiesToEditor(properties_element);
9947
9948   UnmapLevelEditorFieldGadgets();
9949   UnmapLevelEditorToolboxDrawingGadgets();
9950   UnmapLevelEditorToolboxCustomGadgets();
9951
9952   if (IS_CUSTOM_ELEMENT(properties_element) ||
9953       IS_GROUP_ELEMENT(properties_element))
9954     MapLevelEditorToolboxCustomGadgets();
9955
9956   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
9957   ClearField();
9958
9959   DrawText(sx, sy, text, font2_nr);
9960
9961   FrameCounter = 0;     /* restart animation frame counter */
9962
9963   DrawElementBorder(SX + x1, SY + y1, TILEX, TILEY, FALSE);
9964   DrawEditorElementAnimation(SX + x1, SY + y1);
9965   DrawEditorElementName(x2, y2, font_nr);
9966
9967   DrawPropertiesTabulatorGadgets();
9968
9969   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
9970     DrawPropertiesInfo();
9971   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
9972     DrawPropertiesChange();
9973   else  /* (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2]) */
9974     DrawPropertiesConfig();
9975 }
9976
9977 static void DrawPaletteWindow()
9978 {
9979   int i;
9980
9981   UnmapLevelEditorFieldGadgets();
9982
9983   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
9984   ClearField();
9985
9986   /* map buttons to select elements */
9987   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
9988     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
9989   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
9990   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
9991   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
9992 }
9993
9994 static void UpdateCustomElementGraphicGadgets()
9995 {
9996   int i;
9997
9998   InitElementPropertiesGfxElement();
9999
10000   ModifyEditorElementList();
10001   RedrawDrawingElements();
10002
10003   /* force redraw of all mapped drawing area gadgets */
10004   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
10005   {
10006     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
10007
10008     if (gi->mapped)
10009       MapDrawingArea(i);
10010   }
10011 }
10012
10013 static int getOpenDirectionFromTube(int element)
10014 {
10015   switch (element)
10016   {
10017     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
10018     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
10019     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
10020     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
10021     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
10022     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
10023     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
10024     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
10025     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
10026     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
10027     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
10028   }
10029
10030   return MV_NONE;
10031 }
10032
10033 static int getTubeFromOpenDirection(int direction)
10034 {
10035   switch (direction)
10036   {
10037     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
10038     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
10039     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
10040     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
10041     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
10042     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
10043     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
10044     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
10045     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
10046     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
10047     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
10048
10049     /* if only one direction, fall back to simple tube with that direction */
10050     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
10051     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
10052     case (MV_UP):                       return EL_TUBE_VERTICAL;
10053     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
10054   }
10055
10056   return EL_EMPTY;
10057 }
10058
10059 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
10060 {
10061   int element_new = getTubeFromOpenDirection(direction);
10062
10063   return (element_new != EL_EMPTY ? element_new : element_old);
10064 }
10065
10066 static int getOpenDirectionFromBelt(int element)
10067 {
10068   int belt_dir = getBeltDirFromBeltElement(element);
10069
10070   return (belt_dir == MV_LEFT ? MV_RIGHT :
10071           belt_dir == MV_RIGHT ? MV_LEFT :
10072           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
10073 }
10074
10075 static int getBeltFromNrAndOpenDirection(int nr, int direction)
10076 {
10077   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
10078                   direction == MV_RIGHT ? MV_LEFT :
10079                   direction == MV_HORIZONTAL ? MV_NONE : direction);
10080
10081   if (direction == MV_NONE)
10082     return EL_EMPTY;
10083
10084   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
10085 }
10086
10087 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
10088                                                  int element_old)
10089 {
10090   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
10091
10092   return (element_new != EL_EMPTY ? element_new : element_old);
10093 }
10094
10095 static int getOpenDirectionFromPool(int element)
10096 {
10097   switch (element)
10098   {
10099     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
10100     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
10101     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
10102     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
10103     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
10104     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
10105   }
10106
10107   return MV_NONE;
10108 }
10109
10110 static int getPoolFromOpenDirection(int direction)
10111 {
10112   switch (direction)
10113   {
10114     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
10115     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
10116     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
10117     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
10118     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
10119     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
10120   }
10121
10122   return EL_EMPTY;
10123 }
10124
10125 static int getPoolFromOpenDirectionExt(int direction, int help_element)
10126 {
10127   int element = getPoolFromOpenDirection(direction);
10128   int help_direction = getOpenDirectionFromPool(help_element);
10129
10130   if (element == EL_EMPTY)
10131   {
10132     int help_direction_vertical = help_direction & MV_VERTICAL;
10133
10134     element = getPoolFromOpenDirection(direction | help_direction_vertical);
10135   }
10136
10137   if (element == EL_EMPTY)
10138   {
10139     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
10140
10141     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
10142   }
10143
10144   return element;
10145 }
10146
10147 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
10148 {
10149   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
10150
10151   return (element_new != EL_EMPTY ? element_new : element_old);
10152 }
10153
10154 static int getOpenDirectionFromPillar(int element)
10155 {
10156   switch (element)
10157   {
10158     case EL_EMC_WALL_1:                 return (MV_DOWN);
10159     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
10160     case EL_EMC_WALL_3:                 return (MV_UP);
10161   }
10162
10163   return MV_NONE;
10164 }
10165
10166 static int getPillarFromOpenDirection(int direction)
10167 {
10168   switch (direction)
10169   {
10170     case (MV_DOWN):                     return EL_EMC_WALL_1;
10171     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
10172     case (MV_UP):                       return EL_EMC_WALL_3;
10173   }
10174
10175   return EL_EMPTY;
10176 }
10177
10178 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
10179 {
10180   int element_new = getPillarFromOpenDirection(direction);
10181
10182   return (element_new != EL_EMPTY ? element_new : element_old);
10183 }
10184
10185 static int getOpenDirectionFromSteel2(int element)
10186 {
10187   switch (element)
10188   {
10189     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
10190     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
10191     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
10192     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
10193     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
10194     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
10195     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
10196     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
10197   }
10198
10199   return MV_NONE;
10200 }
10201
10202 static int getSteel2FromOpenDirection(int direction)
10203 {
10204   switch (direction)
10205   {
10206     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
10207     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
10208     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
10209     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
10210     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
10211     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
10212     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
10213     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
10214   }
10215
10216   return EL_EMPTY;
10217 }
10218
10219 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
10220 {
10221   int element_new = getSteel2FromOpenDirection(direction);
10222
10223   return (element_new != EL_EMPTY ? element_new : element_old);
10224 }
10225
10226 static int getOpenDirectionFromChip(int element)
10227 {
10228   switch (element)
10229   {
10230     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
10231     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
10232     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
10233     case EL_SP_CHIP_TOP:                return (MV_DOWN);
10234     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
10235   }
10236
10237   return MV_NONE;
10238 }
10239
10240 static int getChipFromOpenDirection(int direction)
10241 {
10242   switch (direction)
10243   {
10244     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
10245     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
10246     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
10247     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
10248     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
10249   }
10250
10251   return EL_EMPTY;
10252 }
10253
10254 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
10255 {
10256   int element_new = getChipFromOpenDirection(direction);
10257
10258   return (element_new != EL_EMPTY ? element_new : element_old);
10259 }
10260
10261 static int getClosedTube(int x, int y)
10262 {
10263   static int xy[4][2] =
10264   {
10265     { -1, 0 },
10266     { +1, 0 },
10267     { 0, -1 },
10268     { 0, +1 }
10269   };
10270   int element_old = IntelliDrawBuffer[x][y];
10271   int direction_old = getOpenDirectionFromTube(element_old);
10272   int direction_new = MV_NONE;
10273   int i;
10274
10275   for (i = 0; i < NUM_DIRECTIONS; i++)
10276   {
10277     int xx = x + xy[i][0];
10278     int yy = y + xy[i][1];
10279     int dir = MV_DIR_FROM_BIT(i);
10280     int dir_opposite = MV_DIR_OPPOSITE(dir);
10281
10282     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
10283         (direction_old & dir) &&
10284         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10285       direction_new |= dir;
10286   }
10287
10288   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
10289 }
10290
10291 static int getClosedBelt(int x, int y)
10292 {
10293   static int xy[4][2] =
10294   {
10295     { -1, 0 },
10296     { +1, 0 },
10297     { 0, -1 },
10298     { 0, +1 }
10299   };
10300   int element_old = IntelliDrawBuffer[x][y];
10301   int nr = getBeltNrFromBeltElement(element_old);
10302   int direction_old = getOpenDirectionFromBelt(element_old);
10303   int direction_new = MV_NONE;
10304   int i;
10305
10306   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
10307   {
10308     int xx = x + xy[i][0];
10309     int yy = y + xy[i][1];
10310     int dir = MV_DIR_FROM_BIT(i);
10311     int dir_opposite = MV_DIR_OPPOSITE(dir);
10312
10313     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
10314         (direction_old & dir) &&
10315         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10316       direction_new |= dir;
10317   }
10318
10319   return getBeltFromNrAndOpenDirection(nr, direction_new);
10320 }
10321
10322 static int getClosedPool(int x, int y)
10323 {
10324   static int xy[4][2] =
10325   {
10326     { -1, 0 },
10327     { +1, 0 },
10328     { 0, -1 },
10329     { 0, +1 }
10330   };
10331   int element_old = IntelliDrawBuffer[x][y];
10332   int direction_old = getOpenDirectionFromPool(element_old);
10333   int direction_new = MV_NONE;
10334   int i;
10335
10336   for (i = 0; i < NUM_DIRECTIONS; i++)
10337   {
10338     int xx = x + xy[i][0];
10339     int yy = y + xy[i][1];
10340     int dir = MV_DIR_FROM_BIT(i);
10341     int dir_opposite = MV_DIR_OPPOSITE(dir);
10342
10343     if (IN_LEV_FIELD(xx, yy) &&
10344         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
10345         (direction_old & dir) &&
10346         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10347       direction_new |= dir;
10348   }
10349
10350   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
10351 }
10352
10353 static int getClosedPillar(int x, int y)
10354 {
10355   static int xy[4][2] =
10356   {
10357     { -1, 0 },
10358     { +1, 0 },
10359     { 0, -1 },
10360     { 0, +1 }
10361   };
10362   int element_old = IntelliDrawBuffer[x][y];
10363   int direction_old = getOpenDirectionFromPillar(element_old);
10364   int direction_new = MV_NONE;
10365   int i;
10366
10367   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
10368   {
10369     int xx = x + xy[i][0];
10370     int yy = y + xy[i][1];
10371     int dir = MV_DIR_FROM_BIT(i);
10372     int dir_opposite = MV_DIR_OPPOSITE(dir);
10373
10374     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
10375         (direction_old & dir) &&
10376         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10377       direction_new |= dir;
10378   }
10379
10380   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
10381 }
10382
10383 static int getClosedSteel2(int x, int y)
10384 {
10385   static int xy[4][2] =
10386   {
10387     { -1, 0 },
10388     { +1, 0 },
10389     { 0, -1 },
10390     { 0, +1 }
10391   };
10392   int element_old = IntelliDrawBuffer[x][y];
10393   int direction_old = getOpenDirectionFromSteel2(element_old);
10394   int direction_new = MV_NONE;
10395   int i;
10396
10397   for (i = 0; i < NUM_DIRECTIONS; i++)
10398   {
10399     int xx = x + xy[i][0];
10400     int yy = y + xy[i][1];
10401     int dir = MV_DIR_FROM_BIT(i);
10402     int dir_opposite = MV_DIR_OPPOSITE(dir);
10403
10404     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
10405         (direction_old & dir) &&
10406         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10407       direction_new |= dir;
10408   }
10409
10410   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
10411 }
10412
10413 static int getClosedChip(int x, int y)
10414 {
10415   static int xy[4][2] =
10416   {
10417     { -1, 0 },
10418     { +1, 0 },
10419     { 0, -1 },
10420     { 0, +1 }
10421   };
10422   int element_old = IntelliDrawBuffer[x][y];
10423   int direction_old = getOpenDirectionFromChip(element_old);
10424   int direction_new = MV_NONE;
10425   int i;
10426
10427   for (i = 0; i < NUM_DIRECTIONS; i++)
10428   {
10429     int xx = x + xy[i][0];
10430     int yy = y + xy[i][1];
10431     int dir = MV_DIR_FROM_BIT(i);
10432     int dir_opposite = MV_DIR_OPPOSITE(dir);
10433
10434     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
10435         (direction_old & dir) &&
10436         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10437       direction_new |= dir;
10438   }
10439
10440   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
10441 }
10442
10443 static void SetElementSimpleExt(int x, int y, int dx, int dy, int element,
10444                                 boolean change_level)
10445 {
10446   int sx = x - level_xpos;
10447   int sy = y - level_ypos;
10448   int old_element = Feld[x][y];
10449   int new_element = element;
10450   unsigned int new_bitmask = (getDrawModeHiRes() ? (dx + 1) << (dy * 2) : 0x0f);
10451   boolean draw_masked = FALSE;
10452
10453   if (IS_MM_WALL_EDITOR(element))
10454   {
10455     element = map_mm_wall_element_editor(element) | new_bitmask;
10456
10457     if (IS_MM_WALL(old_element))
10458       element |= MM_WALL_BITS(old_element);
10459
10460     if (!change_level)
10461       draw_masked = TRUE;
10462   }
10463   else if (IS_MM_WALL(old_element) && element == EL_EMPTY)
10464   {
10465     int element_changed = old_element & ~new_bitmask;
10466
10467     if (MM_WALL_BITS(element_changed) != 0)
10468       element = element_changed;
10469   }
10470
10471   IntelliDrawBuffer[x][y] = element;
10472
10473   if (change_level)
10474     Feld[x][y] = element;
10475
10476   if (IN_ED_FIELD(sx, sy))
10477   {
10478     if (IS_MM_WALL(old_element) && new_element == EL_EMPTY)
10479       DrawSizedWallParts_MM(sx, sy, EL_EMPTY, ed_tilesize, FALSE, new_bitmask);
10480     else if (draw_masked)
10481       DrawEditorElementThruMask(sx, sy, element);
10482     else
10483       DrawEditorElement(sx, sy, element);
10484   }
10485 }
10486
10487 static void SetElementSimple(int x, int y, int element, boolean change_level)
10488 {
10489   SetElementSimpleExt(x, y, 0, 0, element, change_level);
10490 }
10491
10492 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
10493                                            int x2, int y2, int *element2,
10494                                            int (*close_function)(int, int),
10495                                            boolean change_level)
10496 {
10497   /* set neighbour elements to newly determined connections */
10498   SetElementSimple(x1, y1, *element1, change_level);
10499   SetElementSimple(x2, y2, *element2, change_level);
10500
10501   /* remove all open connections of neighbour elements */
10502   *element1 = close_function(x1, y1);
10503   *element2 = close_function(x2, y2);
10504
10505   /* set neighbour elements to new, minimized connections */
10506   SetElementSimple(x1, y1, *element1, change_level);
10507   SetElementSimple(x2, y2, *element2, change_level);
10508 }
10509
10510 static void SetElementIntelliDraw(int x, int y, int new_element,
10511                                   boolean change_level, int button)
10512 {
10513   static int xy[4][2] =
10514   {
10515     { -1, 0 },
10516     { +1, 0 },
10517     { 0, -1 },
10518     { 0, +1 }
10519   };
10520   static int last_x = -1;
10521   static int last_y = -1;
10522   int old_element = IntelliDrawBuffer[x][y];
10523
10524   if (new_element == EL_UNDEFINED)
10525   {
10526     last_x = -1;
10527     last_y = -1;
10528
10529     return;
10530   }
10531
10532   if (IS_TUBE(new_element))
10533   {
10534     int last_element_new = EL_UNDEFINED;
10535     int direction = MV_NONE;
10536     int i;
10537
10538     /* if old element is of same kind, keep all existing directions */
10539     if (IS_TUBE(old_element))
10540       direction |= getOpenDirectionFromTube(old_element);
10541
10542     for (i = 0; i < NUM_DIRECTIONS; i++)
10543     {
10544       int xx = x + xy[i][0];
10545       int yy = y + xy[i][1];
10546
10547       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10548           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
10549       {
10550         int dir = MV_DIR_FROM_BIT(i);
10551         int dir_opposite = MV_DIR_OPPOSITE(dir);
10552         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10553         int last_direction_old = getOpenDirectionFromTube(last_element_old);
10554         int last_direction_new = last_direction_old | dir_opposite;
10555
10556         last_element_new = getTubeFromOpenDirection(last_direction_new);
10557
10558         direction |= dir;
10559       }
10560     }
10561
10562     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
10563
10564     if (last_element_new != EL_UNDEFINED)
10565       MergeAndCloseNeighbourElements(x, y, &new_element,
10566                                      last_x, last_y, &last_element_new,
10567                                      getClosedTube, change_level);
10568   }
10569   else if (IS_BELT(new_element))
10570   {
10571     int belt_nr = getBeltNrFromBeltElement(new_element);
10572     int last_element_new = EL_UNDEFINED;
10573     int direction = MV_NONE;
10574     int i;
10575
10576     /* if old element is of same kind, keep all existing directions */
10577     if (IS_BELT(old_element))
10578       direction |= getOpenDirectionFromBelt(old_element);
10579
10580     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
10581     {
10582       int xx = x + xy[i][0];
10583       int yy = y + xy[i][1];
10584
10585       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10586           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
10587       {
10588         int dir = MV_DIR_FROM_BIT(i);
10589         int dir_opposite = MV_DIR_OPPOSITE(dir);
10590         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10591         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
10592         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
10593         int last_direction_new = last_direction_old | dir_opposite;
10594
10595         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
10596                                                          last_direction_new);
10597         direction |= dir;
10598       }
10599     }
10600
10601     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
10602                                                         new_element);
10603     if (last_element_new != EL_UNDEFINED)
10604       MergeAndCloseNeighbourElements(x, y, &new_element,
10605                                      last_x, last_y, &last_element_new,
10606                                      getClosedBelt, change_level);
10607   }
10608   else if (IS_ACID_POOL_OR_ACID(new_element))
10609   {
10610     int last_element_new = EL_UNDEFINED;
10611     int direction = MV_NONE;
10612     int i;
10613
10614     /* if old element is of same kind, keep all existing directions */
10615     if (IS_ACID_POOL_OR_ACID(old_element))
10616       direction |= getOpenDirectionFromPool(old_element);
10617
10618     for (i = 0; i < NUM_DIRECTIONS; i++)
10619     {
10620       int xx = x + xy[i][0];
10621       int yy = y + xy[i][1];
10622
10623       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10624           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
10625       {
10626         int dir = MV_DIR_FROM_BIT(i);
10627         int dir_opposite = MV_DIR_OPPOSITE(dir);
10628         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10629         int last_direction_old = getOpenDirectionFromPool(last_element_old);
10630         int last_direction_new = last_direction_old | dir_opposite;
10631
10632         last_element_new = getPoolFromOpenDirection(last_direction_new);
10633
10634         direction |= dir;
10635       }
10636     }
10637
10638     /* special corrections needed for intuitively correct acid pool drawing */
10639     if (last_element_new == EL_EMPTY)
10640       last_element_new = new_element;
10641     else if (last_element_new != EL_UNDEFINED)
10642       new_element = last_element_new;
10643
10644     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
10645
10646     if (last_element_new != EL_UNDEFINED)
10647       MergeAndCloseNeighbourElements(x, y, &new_element,
10648                                      last_x, last_y, &last_element_new,
10649                                      getClosedPool, change_level);
10650   }
10651   else if (IS_EMC_PILLAR(new_element))
10652   {
10653     int last_element_new = EL_UNDEFINED;
10654     int direction = MV_NONE;
10655     int i;
10656
10657     /* if old element is of same kind, keep all existing directions */
10658     if (IS_EMC_PILLAR(old_element))
10659       direction |= getOpenDirectionFromPillar(old_element);
10660
10661     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
10662     {
10663       int xx = x + xy[i][0];
10664       int yy = y + xy[i][1];
10665
10666       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10667           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
10668       {
10669         int dir = MV_DIR_FROM_BIT(i);
10670         int dir_opposite = MV_DIR_OPPOSITE(dir);
10671         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10672         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
10673         int last_direction_new = last_direction_old | dir_opposite;
10674
10675         last_element_new = getPillarFromOpenDirection(last_direction_new);
10676
10677         direction |= dir;
10678       }
10679     }
10680
10681     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
10682
10683     if (last_element_new != EL_UNDEFINED)
10684       MergeAndCloseNeighbourElements(x, y, &new_element,
10685                                      last_x, last_y, &last_element_new,
10686                                      getClosedPillar, change_level);
10687   }
10688   else if (IS_DC_STEELWALL_2(new_element))
10689   {
10690     int last_element_new = EL_UNDEFINED;
10691     int direction = MV_NONE;
10692     int i;
10693
10694     /* if old element is of same kind, keep all existing directions */
10695     if (IS_DC_STEELWALL_2(old_element))
10696       direction |= getOpenDirectionFromSteel2(old_element);
10697
10698     for (i = 0; i < NUM_DIRECTIONS; i++)
10699     {
10700       int xx = x + xy[i][0];
10701       int yy = y + xy[i][1];
10702
10703       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10704           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
10705       {
10706         int dir = MV_DIR_FROM_BIT(i);
10707         int dir_opposite = MV_DIR_OPPOSITE(dir);
10708         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10709         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
10710         int last_direction_new = last_direction_old | dir_opposite;
10711
10712         last_element_new = getSteel2FromOpenDirection(last_direction_new);
10713
10714         direction |= dir;
10715       }
10716     }
10717
10718     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
10719
10720     if (last_element_new != EL_UNDEFINED)
10721       MergeAndCloseNeighbourElements(x, y, &new_element,
10722                                      last_x, last_y, &last_element_new,
10723                                      getClosedSteel2, change_level);
10724   }
10725   else if (IS_SP_CHIP(new_element))
10726   {
10727     int last_element_new = EL_UNDEFINED;
10728     int direction = MV_NONE;
10729     int i;
10730
10731     /* (do not keep existing directions, regardless of kind of old element) */
10732
10733     for (i = 0; i < NUM_DIRECTIONS; i++)
10734     {
10735       int xx = x + xy[i][0];
10736       int yy = y + xy[i][1];
10737
10738       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10739           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
10740       {
10741         int dir = MV_DIR_FROM_BIT(i);
10742         int dir_opposite = MV_DIR_OPPOSITE(dir);
10743         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10744         int last_direction_old = getOpenDirectionFromChip(last_element_old);
10745         int last_direction_new = last_direction_old | dir_opposite;
10746
10747         if (last_direction_old == MV_NONE)
10748         {
10749           last_element_new = getChipFromOpenDirection(last_direction_new);
10750           direction |= dir;
10751         }
10752         else if (last_direction_old & (dir | dir_opposite))
10753         {
10754           direction |= MV_DIR_OPPOSITE(last_direction_old);
10755         }
10756         else
10757         {
10758           direction |= MV_DIR_OPPOSITE(dir);
10759         }
10760       }
10761     }
10762
10763     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
10764
10765     if (last_element_new != EL_UNDEFINED)
10766       MergeAndCloseNeighbourElements(x, y, &new_element,
10767                                      last_x, last_y, &last_element_new,
10768                                      getClosedChip, change_level);
10769   }
10770   else if (IS_SP_HARDWARE_BASE(new_element))
10771   {
10772     int nr = GetSimpleRandom(6);
10773
10774     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
10775                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
10776                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
10777                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
10778                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
10779   }
10780   else if (new_element == EL_SP_HARDWARE_GREEN ||
10781            new_element == EL_SP_HARDWARE_BLUE ||
10782            new_element == EL_SP_HARDWARE_RED)
10783   {
10784     int nr = GetSimpleRandom(3);
10785
10786     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
10787                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
10788   }
10789   else if (IS_GROUP_ELEMENT(new_element))
10790   {
10791     boolean connected_drawing = FALSE;
10792     int i;
10793
10794     for (i = 0; i < NUM_DIRECTIONS; i++)
10795     {
10796       int xx = x + xy[i][0];
10797       int yy = y + xy[i][1];
10798
10799       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10800           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
10801         connected_drawing = TRUE;
10802     }
10803
10804     if (!connected_drawing)
10805       ResolveGroupElement(new_element);
10806
10807     new_element = GetElementFromGroupElement(new_element);
10808   }
10809   else if (IS_BELT_SWITCH(old_element))
10810   {
10811     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
10812     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
10813
10814     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
10815                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
10816
10817     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
10818   }
10819   else
10820   {
10821     static int swappable_elements[][2] =
10822     {
10823       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
10824       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
10825       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
10826       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
10827       { EL_EMERALD,                     EL_WALL_EMERALD                 },
10828       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
10829       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
10830       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
10831       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
10832       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
10833       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
10834       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
10835       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
10836       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
10837       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
10838       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
10839       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
10840       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
10841       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
10842       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
10843       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
10844       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
10845       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
10846       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
10847       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
10848       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
10849       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
10850       { EL_PEARL,                       EL_WALL_PEARL                   },
10851       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
10852       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
10853       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
10854       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
10855       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
10856       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
10857       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
10858       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
10859       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
10860       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
10861       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
10862       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
10863       { EL_MM_EXIT_CLOSED,              EL_MM_EXIT_OPEN                 },
10864       { EL_MM_FUSE,                     EL_MM_FUSE_ACTIVE               },
10865       { EL_MM_LIGHTBULB,                EL_MM_LIGHTBULB_ACTIVE          },
10866       { EL_MM_FUEL_EMPTY,               EL_MM_FUEL_FULL                 },
10867
10868       { -1,                             -1                              },
10869     };
10870     static int rotatable_elements_4[][4] =
10871     {
10872       {
10873         EL_BUG_UP,
10874         EL_BUG_RIGHT,
10875         EL_BUG_DOWN,
10876         EL_BUG_LEFT
10877       },
10878       {
10879         EL_SPACESHIP_UP,
10880         EL_SPACESHIP_RIGHT,
10881         EL_SPACESHIP_DOWN,
10882         EL_SPACESHIP_LEFT
10883       },
10884       {
10885         EL_BD_BUTTERFLY_UP,
10886         EL_BD_BUTTERFLY_RIGHT,
10887         EL_BD_BUTTERFLY_DOWN,
10888         EL_BD_BUTTERFLY_LEFT
10889       },
10890       {
10891         EL_BD_FIREFLY_UP,
10892         EL_BD_FIREFLY_RIGHT,
10893         EL_BD_FIREFLY_DOWN,
10894         EL_BD_FIREFLY_LEFT
10895       },
10896       {
10897         EL_PACMAN_UP,
10898         EL_PACMAN_RIGHT,
10899         EL_PACMAN_DOWN,
10900         EL_PACMAN_LEFT
10901       },
10902       {
10903         EL_YAMYAM_UP,
10904         EL_YAMYAM_RIGHT,
10905         EL_YAMYAM_DOWN,
10906         EL_YAMYAM_LEFT
10907       },
10908       {
10909         EL_ARROW_UP,
10910         EL_ARROW_RIGHT,
10911         EL_ARROW_DOWN,
10912         EL_ARROW_LEFT
10913       },
10914       {
10915         EL_SP_PORT_UP,
10916         EL_SP_PORT_RIGHT,
10917         EL_SP_PORT_DOWN,
10918         EL_SP_PORT_LEFT
10919       },
10920       {
10921         EL_SP_GRAVITY_PORT_UP,
10922         EL_SP_GRAVITY_PORT_RIGHT,
10923         EL_SP_GRAVITY_PORT_DOWN,
10924         EL_SP_GRAVITY_PORT_LEFT
10925       },
10926       {
10927         EL_SP_GRAVITY_ON_PORT_UP,
10928         EL_SP_GRAVITY_ON_PORT_RIGHT,
10929         EL_SP_GRAVITY_ON_PORT_DOWN,
10930         EL_SP_GRAVITY_ON_PORT_LEFT
10931       },
10932       {
10933         EL_SP_GRAVITY_OFF_PORT_UP,
10934         EL_SP_GRAVITY_OFF_PORT_RIGHT,
10935         EL_SP_GRAVITY_OFF_PORT_DOWN,
10936         EL_SP_GRAVITY_OFF_PORT_LEFT
10937       },
10938       {
10939         EL_MOLE_UP,
10940         EL_MOLE_RIGHT,
10941         EL_MOLE_DOWN,
10942         EL_MOLE_LEFT
10943       },
10944       {
10945         EL_BALLOON_SWITCH_UP,
10946         EL_BALLOON_SWITCH_RIGHT,
10947         EL_BALLOON_SWITCH_DOWN,
10948         EL_BALLOON_SWITCH_LEFT
10949       },
10950       {
10951         EL_MM_MCDUFFIN_UP,
10952         EL_MM_MCDUFFIN_RIGHT,
10953         EL_MM_MCDUFFIN_DOWN,
10954         EL_MM_MCDUFFIN_LEFT
10955       },
10956       {
10957         EL_MM_MIRROR_FIXED_1,
10958         EL_MM_MIRROR_FIXED_4,
10959         EL_MM_MIRROR_FIXED_3,
10960         EL_MM_MIRROR_FIXED_2
10961       },
10962       {
10963         EL_MM_STEEL_GRID_FIXED_1,
10964         EL_MM_STEEL_GRID_FIXED_4,
10965         EL_MM_STEEL_GRID_FIXED_2,
10966         EL_MM_STEEL_GRID_FIXED_3
10967       },
10968       {
10969         EL_MM_WOODEN_GRID_FIXED_1,
10970         EL_MM_WOODEN_GRID_FIXED_4,
10971         EL_MM_WOODEN_GRID_FIXED_2,
10972         EL_MM_WOODEN_GRID_FIXED_3
10973       },
10974       {
10975         EL_MM_POLARISATOR_CROSS_1,
10976         EL_MM_POLARISATOR_CROSS_4,
10977         EL_MM_POLARISATOR_CROSS_3,
10978         EL_MM_POLARISATOR_CROSS_2
10979       },
10980       {
10981         EL_MM_PACMAN_UP,
10982         EL_MM_PACMAN_RIGHT,
10983         EL_MM_PACMAN_DOWN,
10984         EL_MM_PACMAN_LEFT
10985       },
10986       {
10987         EL_DF_LASER_UP,
10988         EL_DF_LASER_RIGHT,
10989         EL_DF_LASER_DOWN,
10990         EL_DF_LASER_LEFT
10991       },
10992       {
10993         EL_DF_RECEIVER_UP,
10994         EL_DF_RECEIVER_RIGHT,
10995         EL_DF_RECEIVER_DOWN,
10996         EL_DF_RECEIVER_LEFT
10997       },
10998
10999       {
11000         -1,
11001       },
11002     };
11003     static int rotatable_elements_8[][8] =
11004     {
11005       {
11006         EL_DF_STEEL_GRID_FIXED_1,
11007         EL_DF_STEEL_GRID_FIXED_8,
11008         EL_DF_STEEL_GRID_FIXED_7,
11009         EL_DF_STEEL_GRID_FIXED_6,
11010         EL_DF_STEEL_GRID_FIXED_5,
11011         EL_DF_STEEL_GRID_FIXED_4,
11012         EL_DF_STEEL_GRID_FIXED_3,
11013         EL_DF_STEEL_GRID_FIXED_2
11014       },
11015       {
11016         EL_DF_WOODEN_GRID_FIXED_1,
11017         EL_DF_WOODEN_GRID_FIXED_8,
11018         EL_DF_WOODEN_GRID_FIXED_7,
11019         EL_DF_WOODEN_GRID_FIXED_6,
11020         EL_DF_WOODEN_GRID_FIXED_5,
11021         EL_DF_WOODEN_GRID_FIXED_4,
11022         EL_DF_WOODEN_GRID_FIXED_3,
11023         EL_DF_WOODEN_GRID_FIXED_2
11024       },
11025       {
11026         EL_DF_STEEL_GRID_ROTATING_1,
11027         EL_DF_STEEL_GRID_ROTATING_8,
11028         EL_DF_STEEL_GRID_ROTATING_7,
11029         EL_DF_STEEL_GRID_ROTATING_6,
11030         EL_DF_STEEL_GRID_ROTATING_5,
11031         EL_DF_STEEL_GRID_ROTATING_4,
11032         EL_DF_STEEL_GRID_ROTATING_3,
11033         EL_DF_STEEL_GRID_ROTATING_2
11034       },
11035       {
11036         EL_DF_WOODEN_GRID_ROTATING_1,
11037         EL_DF_WOODEN_GRID_ROTATING_8,
11038         EL_DF_WOODEN_GRID_ROTATING_7,
11039         EL_DF_WOODEN_GRID_ROTATING_6,
11040         EL_DF_WOODEN_GRID_ROTATING_5,
11041         EL_DF_WOODEN_GRID_ROTATING_4,
11042         EL_DF_WOODEN_GRID_ROTATING_3,
11043         EL_DF_WOODEN_GRID_ROTATING_2
11044       },
11045
11046       {
11047         -1,
11048       },
11049     };
11050     static int rotatable_elements_16[][16] =
11051     {
11052       {
11053         EL_MM_MIRROR_1,
11054         EL_MM_MIRROR_16,
11055         EL_MM_MIRROR_15,
11056         EL_MM_MIRROR_14,
11057         EL_MM_MIRROR_13,
11058         EL_MM_MIRROR_12,
11059         EL_MM_MIRROR_11,
11060         EL_MM_MIRROR_10,
11061         EL_MM_MIRROR_9,
11062         EL_MM_MIRROR_8,
11063         EL_MM_MIRROR_7,
11064         EL_MM_MIRROR_6,
11065         EL_MM_MIRROR_5,
11066         EL_MM_MIRROR_4,
11067         EL_MM_MIRROR_3,
11068         EL_MM_MIRROR_2
11069       },
11070       {
11071         EL_MM_BEAMER_5,
11072         EL_MM_BEAMER_4,
11073         EL_MM_BEAMER_3,
11074         EL_MM_BEAMER_2,
11075         EL_MM_BEAMER_1,
11076         EL_MM_BEAMER_16,
11077         EL_MM_BEAMER_15,
11078         EL_MM_BEAMER_14,
11079         EL_MM_BEAMER_13,
11080         EL_MM_BEAMER_12,
11081         EL_MM_BEAMER_11,
11082         EL_MM_BEAMER_10,
11083         EL_MM_BEAMER_9,
11084         EL_MM_BEAMER_8,
11085         EL_MM_BEAMER_7,
11086         EL_MM_BEAMER_6
11087       },
11088       {
11089         EL_MM_BEAMER_RED_5,
11090         EL_MM_BEAMER_RED_4,
11091         EL_MM_BEAMER_RED_3,
11092         EL_MM_BEAMER_RED_2,
11093         EL_MM_BEAMER_RED_1,
11094         EL_MM_BEAMER_RED_16,
11095         EL_MM_BEAMER_RED_15,
11096         EL_MM_BEAMER_RED_14,
11097         EL_MM_BEAMER_RED_13,
11098         EL_MM_BEAMER_RED_12,
11099         EL_MM_BEAMER_RED_11,
11100         EL_MM_BEAMER_RED_10,
11101         EL_MM_BEAMER_RED_9,
11102         EL_MM_BEAMER_RED_8,
11103         EL_MM_BEAMER_RED_7,
11104         EL_MM_BEAMER_RED_6
11105       },
11106       {
11107         EL_MM_BEAMER_YELLOW_5,
11108         EL_MM_BEAMER_YELLOW_4,
11109         EL_MM_BEAMER_YELLOW_3,
11110         EL_MM_BEAMER_YELLOW_2,
11111         EL_MM_BEAMER_YELLOW_1,
11112         EL_MM_BEAMER_YELLOW_16,
11113         EL_MM_BEAMER_YELLOW_15,
11114         EL_MM_BEAMER_YELLOW_14,
11115         EL_MM_BEAMER_YELLOW_13,
11116         EL_MM_BEAMER_YELLOW_12,
11117         EL_MM_BEAMER_YELLOW_11,
11118         EL_MM_BEAMER_YELLOW_10,
11119         EL_MM_BEAMER_YELLOW_9,
11120         EL_MM_BEAMER_YELLOW_8,
11121         EL_MM_BEAMER_YELLOW_7,
11122         EL_MM_BEAMER_YELLOW_6
11123       },
11124       {
11125         EL_MM_BEAMER_GREEN_5,
11126         EL_MM_BEAMER_GREEN_4,
11127         EL_MM_BEAMER_GREEN_3,
11128         EL_MM_BEAMER_GREEN_2,
11129         EL_MM_BEAMER_GREEN_1,
11130         EL_MM_BEAMER_GREEN_16,
11131         EL_MM_BEAMER_GREEN_15,
11132         EL_MM_BEAMER_GREEN_14,
11133         EL_MM_BEAMER_GREEN_13,
11134         EL_MM_BEAMER_GREEN_12,
11135         EL_MM_BEAMER_GREEN_11,
11136         EL_MM_BEAMER_GREEN_10,
11137         EL_MM_BEAMER_GREEN_9,
11138         EL_MM_BEAMER_GREEN_8,
11139         EL_MM_BEAMER_GREEN_7,
11140         EL_MM_BEAMER_GREEN_6
11141       },
11142       {
11143         EL_MM_BEAMER_BLUE_5,
11144         EL_MM_BEAMER_BLUE_4,
11145         EL_MM_BEAMER_BLUE_3,
11146         EL_MM_BEAMER_BLUE_2,
11147         EL_MM_BEAMER_BLUE_1,
11148         EL_MM_BEAMER_BLUE_16,
11149         EL_MM_BEAMER_BLUE_15,
11150         EL_MM_BEAMER_BLUE_14,
11151         EL_MM_BEAMER_BLUE_13,
11152         EL_MM_BEAMER_BLUE_12,
11153         EL_MM_BEAMER_BLUE_11,
11154         EL_MM_BEAMER_BLUE_10,
11155         EL_MM_BEAMER_BLUE_9,
11156         EL_MM_BEAMER_BLUE_8,
11157         EL_MM_BEAMER_BLUE_7,
11158         EL_MM_BEAMER_BLUE_6
11159       },
11160       {
11161         EL_MM_POLARISATOR_1,
11162         EL_MM_POLARISATOR_16,
11163         EL_MM_POLARISATOR_15,
11164         EL_MM_POLARISATOR_14,
11165         EL_MM_POLARISATOR_13,
11166         EL_MM_POLARISATOR_12,
11167         EL_MM_POLARISATOR_11,
11168         EL_MM_POLARISATOR_10,
11169         EL_MM_POLARISATOR_9,
11170         EL_MM_POLARISATOR_8,
11171         EL_MM_POLARISATOR_7,
11172         EL_MM_POLARISATOR_6,
11173         EL_MM_POLARISATOR_5,
11174         EL_MM_POLARISATOR_4,
11175         EL_MM_POLARISATOR_3,
11176         EL_MM_POLARISATOR_2
11177       },
11178       {
11179         EL_DF_MIRROR_1,
11180         EL_DF_MIRROR_16,
11181         EL_DF_MIRROR_15,
11182         EL_DF_MIRROR_14,
11183         EL_DF_MIRROR_13,
11184         EL_DF_MIRROR_12,
11185         EL_DF_MIRROR_11,
11186         EL_DF_MIRROR_10,
11187         EL_DF_MIRROR_9,
11188         EL_DF_MIRROR_8,
11189         EL_DF_MIRROR_7,
11190         EL_DF_MIRROR_6,
11191         EL_DF_MIRROR_5,
11192         EL_DF_MIRROR_4,
11193         EL_DF_MIRROR_3,
11194         EL_DF_MIRROR_2
11195       },
11196       {
11197         EL_DF_MIRROR_ROTATING_1,
11198         EL_DF_MIRROR_ROTATING_16,
11199         EL_DF_MIRROR_ROTATING_15,
11200         EL_DF_MIRROR_ROTATING_14,
11201         EL_DF_MIRROR_ROTATING_13,
11202         EL_DF_MIRROR_ROTATING_12,
11203         EL_DF_MIRROR_ROTATING_11,
11204         EL_DF_MIRROR_ROTATING_10,
11205         EL_DF_MIRROR_ROTATING_9,
11206         EL_DF_MIRROR_ROTATING_8,
11207         EL_DF_MIRROR_ROTATING_7,
11208         EL_DF_MIRROR_ROTATING_6,
11209         EL_DF_MIRROR_ROTATING_5,
11210         EL_DF_MIRROR_ROTATING_4,
11211         EL_DF_MIRROR_ROTATING_3,
11212         EL_DF_MIRROR_ROTATING_2
11213       },
11214
11215       {
11216         -1,
11217       },
11218     };
11219     int i, j;
11220
11221     for (i = 0; swappable_elements[i][0] != -1; i++)
11222     {
11223       int element1 = swappable_elements[i][0];
11224       int element2 = swappable_elements[i][1];
11225
11226       if (old_element == element1 || old_element == element2)
11227         new_element = (old_element == element1 ? element2 : element1);
11228     }
11229
11230     for (i = 0; rotatable_elements_4[i][0] != -1; i++)
11231     {
11232       for (j = 0; j < 4; j++)
11233       {
11234         int element = rotatable_elements_4[i][j];
11235
11236         if (old_element == element)
11237           new_element = (button == 1 ? rotatable_elements_4[i][(j + 3) % 4] :
11238                          button == 2 ? rotatable_elements_4[i][0]           :
11239                          button == 3 ? rotatable_elements_4[i][(j + 1) % 4] :
11240                          old_element);
11241       }
11242     }
11243
11244     for (i = 0; rotatable_elements_8[i][0] != -1; i++)
11245     {
11246       for (j = 0; j < 8; j++)
11247       {
11248         int element = rotatable_elements_8[i][j];
11249
11250         if (old_element == element)
11251           new_element = (button == 1 ? rotatable_elements_8[i][(j + 7) % 8] :
11252                          button == 2 ? rotatable_elements_8[i][0]           :
11253                          button == 3 ? rotatable_elements_8[i][(j + 1) % 8] :
11254                          old_element);
11255       }
11256     }
11257
11258     for (i = 0; rotatable_elements_16[i][0] != -1; i++)
11259     {
11260       for (j = 0; j < 16; j++)
11261       {
11262         int element = rotatable_elements_16[i][j];
11263
11264         if (old_element == element)
11265           new_element = (button == 1 ? rotatable_elements_16[i][(j + 15) % 16] :
11266                          button == 2 ? rotatable_elements_16[i][0]             :
11267                          button == 3 ? rotatable_elements_16[i][(j + 1)  % 16] :
11268                          old_element);
11269       }
11270     }
11271
11272     if (old_element != new_element)
11273     {
11274       int max_infotext_len = getMaxInfoTextLength();
11275       char infotext[MAX_OUTPUT_LINESIZE + 1];
11276
11277       strncpy(infotext, getElementInfoText(new_element), max_infotext_len);
11278       infotext[max_infotext_len] = '\0';
11279
11280       ClearEditorGadgetInfoText();
11281
11282       DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT,
11283                 infotext);
11284     }
11285   }
11286
11287   SetElementSimple(x, y, new_element, change_level);
11288
11289   last_x = x;
11290   last_y = y;
11291 }
11292
11293 static void ResetIntelliDraw()
11294 {
11295   int x, y;
11296
11297   for (x = 0; x < lev_fieldx; x++)
11298     for (y = 0; y < lev_fieldy; y++)
11299       IntelliDrawBuffer[x][y] = Feld[x][y];
11300
11301   SetElementIntelliDraw(-1, -1, EL_UNDEFINED, FALSE, -1);
11302 }
11303
11304 static boolean draw_mode_hires = FALSE;
11305
11306 static void SetDrawModeHiRes(int element)
11307 {
11308   draw_mode_hires =
11309     (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
11310      (IS_MM_WALL_EDITOR(element) || element == EL_EMPTY));
11311 }
11312
11313 static boolean getDrawModeHiRes()
11314 {
11315   return draw_mode_hires;
11316 }
11317
11318 static int getLoResScreenPos(int pos)
11319 {
11320   return (getDrawModeHiRes() ? pos / 2 : pos);
11321 }
11322
11323 static int getLoResScreenMod(int pos)
11324 {
11325   return (getDrawModeHiRes() ? pos % 2 : 0);
11326 }
11327
11328 static void SetElementExt(int x, int y, int dx, int dy, int element,
11329                           boolean change_level, int button)
11330 {
11331   if (element < 0)
11332     SetElementSimple(x, y, Feld[x][y], change_level);
11333   else if (GetKeyModState() & KMOD_Shift && !IS_MM_WALL_EDITOR(element))
11334     SetElementIntelliDraw(x, y, element, change_level, button);
11335   else
11336     SetElementSimpleExt(x, y, dx, dy, element, change_level);
11337 }
11338
11339 static void SetElement(int x, int y, int element)
11340 {
11341   SetElementExt(x, y, 0, 0, element, TRUE, -1);
11342 }
11343
11344 static void SetElementButton(int x, int y, int dx, int dy, int element,
11345                              int button)
11346 {
11347   SetElementExt(x, y, dx, dy, element, TRUE, button);
11348 }
11349
11350 static void SetElementHiRes(int sx2, int sy2, int element, boolean change_level)
11351 {
11352   int lx = getLoResScreenPos(sx2) + level_xpos;
11353   int ly = getLoResScreenPos(sy2) + level_ypos;
11354   int dx = getLoResScreenMod(sx2);
11355   int dy = getLoResScreenMod(sy2);
11356
11357   SetElementExt(lx, ly, dx, dy, element, change_level, -1);
11358 }
11359
11360 static void SetLevelElementHiRes(int lx2, int ly2, int element)
11361 {
11362   int lx = lx2 / 2;
11363   int ly = ly2 / 2;
11364   int dx = lx2 % 2;
11365   int dy = ly2 % 2;
11366
11367   SetElementExt(lx, ly, dx, dy, element, TRUE, -1);
11368 }
11369
11370 static int getLevelElementHiRes(int lx2, int ly2)
11371 {
11372   int lx = lx2 / 2;
11373   int ly = ly2 / 2;
11374   int dx = lx2 % 2;
11375   int dy = ly2 % 2;
11376   int element = Feld[lx][ly];
11377   unsigned int bitmask = (dx + 1) << (dy * 2);
11378
11379   if (IS_MM_WALL(element))
11380   {
11381     if (element & bitmask)
11382       return map_mm_wall_element(element);
11383     else
11384       return EL_EMPTY;
11385   }
11386
11387   return element;
11388 }
11389
11390 static void DrawLineElement(int x, int y, int element, boolean change_level)
11391 {
11392   SetElementHiRes(x, y, element, change_level);
11393 }
11394
11395 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
11396                      int element, boolean change_level)
11397 {
11398   int xsize = ABS(to_x - from_x);
11399   int ysize = ABS(to_y - from_y);
11400   int dx = (to_x < from_x ? -1 : +1);
11401   int dy = (to_y < from_y ? -1 : +1);
11402   int i;
11403
11404   if (from_y == to_y)                   /* horizontal line */
11405   {
11406     for (i = 0; i <= xsize; i++)
11407       DrawLineElement(from_x + i * dx, from_y, element, change_level);
11408   }
11409   else if (from_x == to_x)              /* vertical line */
11410   {
11411     for (i = 0; i <= ysize; i++)
11412       DrawLineElement(from_x, from_y + i * dy, element, change_level);
11413   }
11414   else                                  /* diagonal line */
11415   {
11416     if (ysize < xsize)                  /* a < 1 */
11417     {
11418       float a = (float)ysize / (float)xsize;
11419
11420       for (i = 0; i <= xsize; i++)
11421       {
11422         int x = dx * i;
11423         int y = dy * (int)(a * i + 0.5);
11424
11425         DrawLineElement(from_x + x, from_y + y, element, change_level);
11426       }
11427     }
11428     else                                /* a >= 1 */
11429     {
11430       float a = (float)xsize / (float)ysize;
11431
11432       for (i = 0; i <= ysize; i++)
11433       {
11434         int x = dx * (int)(a * i + 0.5);
11435         int y = dy * i;
11436
11437         DrawLineElement(from_x + x, from_y + y, element, change_level);
11438       }
11439     }
11440   }
11441 }
11442
11443 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
11444                     int element, boolean change_level)
11445 {
11446   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
11447   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
11448   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
11449   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
11450 }
11451
11452 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
11453                           int element, boolean change_level)
11454 {
11455   int y;
11456
11457   if (from_y > to_y)
11458     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
11459
11460   for (y = from_y; y <= to_y; y++)
11461     DrawLine(from_x, y, to_x, y, element, change_level);
11462 }
11463
11464 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
11465                        int element, boolean change_level)
11466 {
11467   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
11468   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
11469   int len_x = ABS(to_x - from_x);
11470   int len_y = ABS(to_y - from_y);
11471   int radius, x, y;
11472
11473   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
11474
11475   /* not optimal (some points get drawn twice) but simple,
11476      and fast enough for the few points we are drawing */
11477
11478   for (x = 0; x <= radius; x++)
11479   {
11480     int sx, sy, sx2, sy2, lx, ly;
11481
11482     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
11483
11484     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
11485     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
11486     sx = getLoResScreenPos(sx2);
11487     sy = getLoResScreenPos(sy2);
11488     lx = sx + level_xpos;
11489     ly = sy + level_ypos;
11490
11491     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
11492       DrawLineElement(sx2, sy2, element, change_level);
11493   }
11494
11495   for (y = 0; y <= radius; y++)
11496   {
11497     int sx, sy, sx2, sy2, lx, ly;
11498
11499     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
11500
11501     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
11502     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
11503     sx = getLoResScreenPos(sx2);
11504     sy = getLoResScreenPos(sy2);
11505     lx = sx + level_xpos;
11506     ly = sy + level_ypos;
11507
11508     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
11509       DrawLineElement(sx2, sy2, element, change_level);
11510   }
11511 }
11512
11513 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
11514                     int element, boolean change_level)
11515 {
11516   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
11517   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
11518
11519   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
11520 }
11521
11522 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
11523
11524 #if DRAW_CIRCLES_BUTTON_AVAILABLE
11525 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
11526                        int element, boolean change_level)
11527 {
11528   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
11529   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
11530   int mirror_to_x2 = from_x - (to_x2 - from_x);
11531   int mirror_to_y2 = from_y - (to_y2 - from_y);
11532
11533   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
11534   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
11535   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
11536   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
11537 }
11538 #endif
11539
11540 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
11541 {
11542   int from_sx, from_sy;
11543   int to_sx, to_sy;
11544
11545   if (from_x > to_x)
11546     swap_numbers(&from_x, &to_x);
11547
11548   if (from_y > to_y)
11549     swap_numbers(&from_y, &to_y);
11550
11551   from_sx = SX + from_x * ed_tilesize;
11552   from_sy = SY + from_y * ed_tilesize;
11553   to_sx = SX + (to_x + 1) * ed_tilesize - 1;
11554   to_sy = SY + (to_y + 1) * ed_tilesize - 1;
11555
11556   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
11557   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
11558   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
11559   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
11560
11561   if (from_x == to_x && from_y == to_y)
11562     MarkTileDirty(from_x/2, from_y/2);
11563   else
11564     redraw_mask |= REDRAW_FIELD;
11565 }
11566
11567 static void DrawAreaBox(int from_x, int from_y, int to_x, int to_y,
11568                         int element, boolean change_level)
11569 {
11570   DrawBox(from_x, from_y, to_x, to_y, element, change_level);
11571 }
11572
11573 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
11574                        int element, boolean change_level)
11575 {
11576   if (element == -1 || change_level)
11577     DrawAreaBox(from_x, from_y, to_x, to_y, -1, FALSE);
11578   else
11579     DrawAreaBorder(from_x, from_y, to_x, to_y);
11580 }
11581
11582 /* values for CopyBrushExt() */
11583 #define CB_AREA_TO_BRUSH        0
11584 #define CB_BRUSH_TO_CURSOR      1
11585 #define CB_BRUSH_TO_LEVEL       2
11586 #define CB_DELETE_OLD_CURSOR    3
11587 #define CB_DUMP_BRUSH           4
11588 #define CB_DUMP_BRUSH_SMALL     5
11589
11590 static void DrawBrushElement(int sx, int sy, int element, boolean change_level)
11591 {
11592   DrawLineElement(sx, sy, element, change_level);
11593 }
11594
11595 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
11596                          int button, int mode)
11597 {
11598   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
11599   static int brush_width, brush_height;
11600   static int last_cursor_x = -1, last_cursor_y = -1;
11601   static boolean delete_old_brush;
11602   int new_element = BUTTON_ELEMENT(button);
11603   int x, y;
11604
11605   if (mode == CB_DUMP_BRUSH ||
11606       mode == CB_DUMP_BRUSH_SMALL)
11607   {
11608     if (!draw_with_brush)
11609     {
11610       Error(ERR_WARN, "no brush selected");
11611
11612       return;
11613     }
11614
11615     for (y = 0; y < brush_height; y++)
11616     {
11617       for (x = 0; x < brush_width; x++)
11618       {
11619         int element = brush_buffer[x][y];
11620         int element_mapped = element;
11621
11622         if (IS_CUSTOM_ELEMENT(element))
11623           element_mapped = EL_CUSTOM_START;
11624         else if (IS_GROUP_ELEMENT(element))
11625           element_mapped = EL_GROUP_START;
11626         else if (element >= NUM_FILE_ELEMENTS)
11627           element_mapped = EL_UNKNOWN;
11628
11629         // dump brush as level sketch text for the R'n'D forum:
11630         // - large tiles: `xxx (0x60 ASCII)
11631         // - small tiles: ¸xxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
11632         printf("%s%03d", (mode == CB_DUMP_BRUSH ? "`" : "¸"), element_mapped);
11633       }
11634
11635       printf("\n");
11636     }
11637
11638     return;
11639   }
11640
11641   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
11642     return;
11643
11644   if (mode == CB_AREA_TO_BRUSH)
11645   {
11646     int from_lx, from_ly;
11647
11648     if (from_x > to_x)
11649       swap_numbers(&from_x, &to_x);
11650
11651     if (from_y > to_y)
11652       swap_numbers(&from_y, &to_y);
11653
11654     brush_width = to_x - from_x + 1;
11655     brush_height = to_y - from_y + 1;
11656
11657     from_lx = from_x + level_xpos;
11658     from_ly = from_y + level_ypos;
11659
11660     for (y = 0; y < brush_height; y++)
11661     {
11662       for (x = 0; x < brush_width; x++)
11663       {
11664         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
11665
11666         if (button != 1)
11667           DrawBrushElement(from_x + x, from_y + y, new_element, TRUE);
11668       }
11669     }
11670
11671     if (button != 1)
11672       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
11673
11674     delete_old_brush = FALSE;
11675   }
11676   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
11677            mode == CB_BRUSH_TO_LEVEL)
11678   {
11679     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
11680     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
11681     int cursor_from_x = cursor_x - brush_width / 2;
11682     int cursor_from_y = cursor_y - brush_height / 2;
11683     int border_from_x = cursor_x, border_from_y = cursor_y;
11684     int border_to_x = cursor_x, border_to_y = cursor_y;
11685
11686     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
11687       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
11688
11689     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
11690         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
11691     {
11692       delete_old_brush = FALSE;
11693       return;
11694     }
11695
11696     for (y = 0; y < brush_height; y++)
11697     {
11698       for (x = 0; x < brush_width; x++)
11699       {
11700         int sx = cursor_from_x + x;
11701         int sy = cursor_from_y + y;
11702         int lx = sx + level_xpos;
11703         int ly = sy + level_ypos;
11704         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
11705         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
11706                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
11707                        brush_buffer[x][y] : new_element);
11708
11709         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
11710         {
11711           if (sx < border_from_x)
11712             border_from_x = sx;
11713           else if (sx > border_to_x)
11714             border_to_x = sx;
11715           if (sy < border_from_y)
11716             border_from_y = sy;
11717           else if (sy > border_to_y)
11718             border_to_y = sy;
11719
11720           DrawBrushElement(sx, sy, element, change_level);
11721         }
11722       }
11723     }
11724
11725     if (mode != CB_DELETE_OLD_CURSOR)
11726       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
11727
11728     last_cursor_x = cursor_x;
11729     last_cursor_y = cursor_y;
11730     delete_old_brush = TRUE;
11731   }
11732 }
11733
11734 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
11735                             int button)
11736 {
11737   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
11738 }
11739
11740 static void CopyBrushToLevel(int x, int y, int button)
11741 {
11742   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
11743 }
11744
11745 static void CopyBrushToCursor(int x, int y)
11746 {
11747   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
11748 }
11749
11750 static void DeleteBrushFromCursor()
11751 {
11752   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
11753 }
11754
11755 void DumpBrush()
11756 {
11757   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
11758 }
11759
11760 void DumpBrush_Small()
11761 {
11762   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
11763 }
11764
11765 static void FloodFill(int from_x, int from_y, int fill_element)
11766 {
11767   FloodFillLevel(from_x, from_y, fill_element, Feld, lev_fieldx, lev_fieldy);
11768 }
11769
11770 static void FloodFillWall_MM(int from_sx2, int from_sy2, int fill_element)
11771 {
11772   int from_x = from_sx2 + 2 * level_xpos;
11773   int from_y = from_sy2 + 2 * level_ypos;
11774   int max_fillx = lev_fieldx * 2;
11775   int max_filly = lev_fieldy * 2;
11776   short FillFeld[max_fillx][max_filly];
11777   int x, y;
11778
11779   for (x = 0; x < max_fillx; x++)
11780     for (y = 0; y < max_filly; y++)
11781       FillFeld[x][y] = getLevelElementHiRes(x, y);
11782
11783   FloodFillLevelExt(from_x, from_y, fill_element, max_fillx, max_filly,
11784                     FillFeld, max_fillx, max_filly);
11785
11786   for (x = 0; x < max_fillx; x++)
11787     for (y = 0; y < max_filly; y++)
11788       if (FillFeld[x][y] == fill_element)
11789         SetLevelElementHiRes(x, y, FillFeld[x][y]);
11790 }
11791
11792 /* values for DrawLevelText() modes */
11793 #define TEXT_INIT               0
11794 #define TEXT_SETCURSOR          1
11795 #define TEXT_WRITECHAR          2
11796 #define TEXT_BACKSPACE          3
11797 #define TEXT_NEWLINE            4
11798 #define TEXT_END                5
11799 #define TEXT_QUERY_TYPING       6
11800
11801 static int DrawLevelText(int sx, int sy, char letter, int mode)
11802 {
11803   static short delete_buffer[MAX_LEV_FIELDX];
11804   static int start_sx;
11805   static int last_sx, last_sy;
11806   static boolean typing = FALSE;
11807   int letter_element = EL_CHAR_ASCII0 + letter;
11808   int lx = 0, ly = 0;
11809
11810   /* map lower case letters to upper case and convert special characters */
11811   if (letter >= 'a' && letter <= 'z')
11812     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
11813   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
11814     letter_element = EL_CHAR_AUMLAUT;
11815   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
11816     letter_element = EL_CHAR_OUMLAUT;
11817   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
11818     letter_element = EL_CHAR_UUMLAUT;
11819   else if (letter == '^')
11820     letter_element = EL_CHAR_COPYRIGHT;
11821   else
11822     letter_element = EL_CHAR_ASCII0 + letter;
11823
11824   if (mode != TEXT_INIT)
11825   {
11826     if (!typing)
11827       return FALSE;
11828
11829     if (mode != TEXT_SETCURSOR)
11830     {
11831       sx = last_sx;
11832       sy = last_sy;
11833     }
11834
11835     lx = last_sx + level_xpos;
11836     ly = last_sy + level_ypos;
11837   }
11838
11839   switch (mode)
11840   {
11841     case TEXT_INIT:
11842       if (typing)
11843         DrawLevelText(0, 0, 0, TEXT_END);
11844
11845       typing = TRUE;
11846       start_sx = sx;
11847       last_sx = sx;
11848       last_sy = sy;
11849       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
11850       break;
11851
11852     case TEXT_SETCURSOR:
11853       DrawEditorElement(last_sx, last_sy, Feld[lx][ly]);
11854       DrawAreaBorder(sx, sy, sx, sy);
11855       last_sx = sx;
11856       last_sy = sy;
11857       break;
11858
11859     case TEXT_WRITECHAR:
11860       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
11861       {
11862         if (new_element1 >= EL_STEEL_CHAR_START &&
11863             new_element1 <= EL_STEEL_CHAR_END)
11864           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
11865
11866         delete_buffer[sx - start_sx] = Feld[lx][ly];
11867         Feld[lx][ly] = letter_element;
11868
11869         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
11870           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
11871         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
11872           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
11873         else
11874           DrawLevelText(0, 0, 0, TEXT_END);
11875
11876         level.changed = TRUE;
11877       }
11878       break;
11879
11880     case TEXT_BACKSPACE:
11881       if (sx > start_sx)
11882       {
11883         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
11884         DrawEditorElement(sx - 1, sy, Feld[lx - 1][ly]);
11885         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
11886       }
11887       break;
11888
11889     case TEXT_NEWLINE:
11890       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
11891         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
11892       else
11893         DrawLevelText(0, 0, 0, TEXT_END);
11894       break;
11895
11896     case TEXT_END:
11897       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
11898       DrawEditorElement(sx, sy, Feld[lx][ly]);
11899       typing = FALSE;
11900       break;
11901
11902     case TEXT_QUERY_TYPING:
11903       break;
11904
11905     default:
11906       break;
11907   }
11908
11909   return typing;
11910 }
11911
11912 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
11913                           int element, boolean change_level)
11914 {
11915   int lx = sx + level_xpos;
11916   int ly = sy + level_ypos;
11917
11918   if (element == -1)
11919     DrawEditorElement(sx, sy, Feld[lx][ly]);
11920   else
11921     DrawAreaBorder(sx, sy, sx, sy);
11922 }
11923
11924 static void CheckLevelBorderElement(boolean redraw_playfield)
11925 {
11926   int last_border_element = BorderElement;
11927
11928   SetBorderElement();
11929
11930   if (redraw_playfield && BorderElement != last_border_element)
11931     DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11932 }
11933
11934 static void CopyLevelToUndoBuffer(int mode)
11935 {
11936   static boolean accumulated_undo = FALSE;
11937   boolean new_undo_buffer_position = TRUE;
11938   int x, y;
11939
11940   if (undo_buffer_steps == 0)
11941     accumulated_undo = FALSE;
11942
11943   switch (mode)
11944   {
11945     case UNDO_IMMEDIATE:
11946       accumulated_undo = FALSE;
11947       break;
11948
11949     case UNDO_ACCUMULATE:
11950       if (accumulated_undo)
11951         new_undo_buffer_position = FALSE;
11952       accumulated_undo = TRUE;
11953       break;
11954
11955     default:
11956       break;
11957   }
11958
11959   if (new_undo_buffer_position)
11960   {
11961     /* advance position in undo buffer ring */
11962     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
11963
11964     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
11965       undo_buffer_steps++;
11966   }
11967
11968   /* always reset redo buffer when storing level change into undo buffer */
11969   redo_buffer_steps = 0;
11970
11971   for (x = 0; x < lev_fieldx; x++)
11972     for (y = 0; y < lev_fieldy; y++)
11973       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
11974
11975   /* check if drawing operation forces change of border style */
11976   CheckLevelBorderElement(TRUE);
11977
11978   level.changed = TRUE;
11979 }
11980
11981 static void RandomPlacement(int new_element)
11982 {
11983   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
11984   int num_free_positions = 0;
11985   int num_percentage, num_elements;
11986   int x, y;
11987
11988   ResetIntelliDraw();
11989
11990   /* determine number of free positions for randomly placing the new element */
11991   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
11992   {
11993     free_position[x][y] =
11994       (random_placement_background_restricted ?
11995        Feld[x][y] == random_placement_background_element :
11996        Feld[x][y] != new_element);
11997
11998     if (free_position[x][y])
11999       num_free_positions++;
12000   }
12001
12002   /* determine number of new elements to place there */
12003   num_percentage = num_free_positions * random_placement_value / 100;
12004   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
12005                   num_percentage : random_placement_value);
12006
12007   /* if less free positions than elements to place, fill all these positions */
12008   if (num_free_positions < num_elements)
12009   {
12010     for (x = 0; x < lev_fieldx; x++)
12011       for (y = 0; y < lev_fieldy; y++)
12012         if (free_position[x][y])
12013           SetElement(x, y, new_element);
12014   }
12015   else
12016   {
12017     while (num_elements > 0)
12018     {
12019       x = GetSimpleRandom(lev_fieldx);
12020       y = GetSimpleRandom(lev_fieldy);
12021
12022       /* don't place element at the same position twice */
12023       if (free_position[x][y])
12024       {
12025         free_position[x][y] = FALSE;
12026         SetElement(x, y, new_element);
12027         num_elements--;
12028       }
12029     }
12030   }
12031
12032   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12033   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12034 }
12035
12036 void WrapLevel(int dx, int dy)
12037 {
12038   int wrap_dx = lev_fieldx - dx;
12039   int wrap_dy = lev_fieldy - dy;
12040   int x, y;
12041
12042   for (x = 0; x < lev_fieldx; x++)
12043     for (y = 0; y < lev_fieldy; y++)
12044       FieldBackup[x][y] = Feld[x][y];
12045
12046   for (x = 0; x < lev_fieldx; x++)
12047     for (y = 0; y < lev_fieldy; y++)
12048       Feld[x][y] =
12049         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
12050
12051   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12052   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
12053 }
12054
12055 static void HandleDrawingAreas(struct GadgetInfo *gi)
12056 {
12057   static boolean started_inside_drawing_area = FALSE;
12058   static int last_sx = -1, last_sy = -1;
12059   static int last_sx2 = -1, last_sy2 = -1;
12060   int id = gi->custom_id;
12061   int type_id = gi->custom_type_id;
12062   boolean button_press_event;
12063   boolean button_release_event;
12064   boolean inside_drawing_area = !gi->event.off_borders;
12065   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
12066   int actual_drawing_function;
12067   int button = gi->event.button;
12068   int new_element = BUTTON_ELEMENT(button);
12069   int sx = gi->event.x, sy = gi->event.y;
12070   int min_sx = 0, min_sy = 0;
12071   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
12072   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
12073   int mini_item_xsize = item_xsize / 2, mini_item_ysize = item_ysize / 2;
12074   int sx2 = gi->event.mx / mini_item_xsize;
12075   int sy2 = gi->event.my / mini_item_ysize;
12076   int dx = sx2 % 2;
12077   int dy = sy2 % 2;
12078   int lx = 0, ly = 0;
12079   int min_lx = 0, min_ly = 0;
12080   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
12081   int x, y;
12082
12083   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
12084   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
12085
12086   /* make sure to stay inside drawing area boundaries */
12087   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
12088   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
12089
12090   if (draw_level)
12091   {
12092     /* get positions inside level field */
12093     lx = sx + level_xpos;
12094     ly = sy + level_ypos;
12095
12096     if (!IN_LEV_FIELD(lx, ly))
12097       inside_drawing_area = FALSE;
12098
12099     /* make sure to stay inside level field boundaries */
12100     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
12101     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
12102
12103     /* correct drawing area positions accordingly */
12104     sx = lx - level_xpos;
12105     sy = ly - level_ypos;
12106   }
12107
12108   /* also correct MM wall-sized (double) drawing area positions accordingly */
12109   if (sx2 / 2 < sx || sx2 / 2 > sx)
12110   {
12111     dx = (sx2 / 2 < sx ? 0 : 1);
12112     sx2 = sx * 2 + dx;
12113   }
12114   if (sy2 / 2 < sy || sy2 / 2 > sy)
12115   {
12116     dy = (sy2 / 2 < sy ? 0 : 1);
12117     sy2 = sy * 2 + dy;
12118   }
12119
12120   if (button_release_event)
12121   {
12122     last_sx = -1;
12123     last_sy = -1;
12124     last_sx2 = -1;
12125     last_sy2 = -1;
12126   }
12127   else if (!button_press_event)
12128   {
12129     /* prevent handling events for every pixel position when moving mouse */
12130     if ((sx == last_sx && sy == last_sy &&
12131          !IS_MM_WALL_EDITOR(new_element) && new_element != EL_EMPTY) ||
12132         (sx2 == last_sx2 && sy2 == last_sy2))
12133       return;
12134   }
12135
12136   last_sx = sx;
12137   last_sy = sy;
12138   last_sx2 = sx2;
12139   last_sy2 = sy2;
12140
12141   if (button_press_event)
12142     started_inside_drawing_area = inside_drawing_area;
12143
12144   if (!started_inside_drawing_area)
12145     return;
12146
12147   if (!IS_VALID_BUTTON(button))
12148     return;
12149
12150   if (!button && !button_release_event)
12151     return;
12152
12153   /* handle info callback for each invocation of action callback */
12154   gi->callback_info(gi);
12155
12156   /* automatically switch to 'single item' drawing mode, if needed */
12157   actual_drawing_function =
12158     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
12159      drawing_function : GADGET_ID_SINGLE_ITEMS);
12160
12161   /* clicking into drawing area with pressed Control key picks element */
12162   if (GetKeyModState() & KMOD_Control)
12163   {
12164     last_drawing_function = drawing_function;
12165     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
12166   }
12167
12168   if (GetKeyModState() & KMOD_Shift)
12169   {
12170     if (button_press_event || button_release_event)
12171       ResetIntelliDraw();
12172   }
12173
12174   SetDrawModeHiRes(-1);         /* reset to normal draw mode */
12175
12176   switch (actual_drawing_function)
12177   {
12178     case GADGET_ID_SINGLE_ITEMS:
12179       if (draw_level)
12180       {
12181         if (button_release_event)
12182         {
12183           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12184
12185           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
12186               !inside_drawing_area)
12187             DeleteBrushFromCursor();
12188         }
12189
12190         if (!button || button_release_event)
12191           break;
12192
12193         if (draw_with_brush)
12194         {
12195           CopyBrushToLevel(sx, sy, button);
12196         }
12197         else
12198         {
12199           SetDrawModeHiRes(new_element);
12200
12201           if (new_element == EL_PLAYER_1)
12202           {
12203             /* remove player at old position */
12204             for (y = 0; y < lev_fieldy; y++)
12205               for (x = 0; x < lev_fieldx; x++)
12206                 if (Feld[x][y] == EL_PLAYER_1)
12207                   SetElement(x, y, EL_EMPTY);
12208           }
12209
12210           SetElementButton(lx, ly, dx, dy, new_element, button);
12211         }
12212       }
12213       else if (!button_release_event)
12214       {
12215         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
12216
12217         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
12218           DrawMiniGraphicExt(drawto,
12219                              gi->x + sx * MINI_TILEX,
12220                              gi->y + sy * MINI_TILEY,
12221                              el2edimg(new_element));
12222         else
12223           DrawFixedGraphicExt(drawto,
12224                               gi->x + sx * TILEX,
12225                               gi->y + sy * TILEY,
12226                               el2edimg(new_element), 0);
12227
12228         if (id == GADGET_ID_CUSTOM_GRAPHIC)
12229           new_element = GFX_ELEMENT(new_element);
12230
12231         drawingarea_info[type_id].value[pos] = new_element;
12232
12233         CopyElementPropertiesToGame(properties_element);
12234
12235         if (id == GADGET_ID_CUSTOM_GRAPHIC)
12236         {
12237           UpdateCustomElementGraphicGadgets();
12238
12239           FrameCounter = 0;     /* restart animation frame counter */
12240         }
12241       }
12242       break;
12243
12244     case GADGET_ID_CONNECTED_ITEMS:
12245       {
12246         static int last_sx = -1;
12247         static int last_sy = -1;
12248
12249         if (button_release_event)
12250           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12251
12252         if (button)
12253         {
12254           SetDrawModeHiRes(new_element);
12255
12256           if (getDrawModeHiRes())
12257           {
12258             sx = sx2;
12259             sy = sy2;
12260           }
12261
12262           if (!button_press_event)
12263             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
12264
12265           last_sx = sx;
12266           last_sy = sy;
12267         }
12268       }
12269       break;
12270
12271     case GADGET_ID_LINE:
12272     case GADGET_ID_ARC:
12273     case GADGET_ID_RECTANGLE:
12274     case GADGET_ID_FILLED_BOX:
12275       SetDrawModeHiRes(new_element);
12276
12277       if (getDrawModeHiRes())
12278       {
12279         sx = sx2;
12280         sy = sy2;
12281       }
12282       /* FALLTHROUGH */
12283     case GADGET_ID_GRAB_BRUSH:
12284     case GADGET_ID_TEXT:
12285       {
12286         static int last_sx = -1;
12287         static int last_sy = -1;
12288         static int start_sx = -1;
12289         static int start_sy = -1;
12290         void (*draw_func)(int, int, int, int, int, boolean);
12291
12292         if (drawing_function == GADGET_ID_LINE)
12293           draw_func = DrawLine;
12294         else if (drawing_function == GADGET_ID_ARC)
12295           draw_func = DrawArc;
12296         else if (drawing_function == GADGET_ID_RECTANGLE)
12297           draw_func = DrawBox;
12298         else if (drawing_function == GADGET_ID_FILLED_BOX)
12299           draw_func = DrawFilledBox;
12300         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
12301           draw_func = SelectArea;
12302         else /* (drawing_function == GADGET_ID_TEXT) */
12303           draw_func = SetTextCursor;
12304
12305         if (button_press_event)
12306         {
12307           draw_func(sx, sy, sx, sy, new_element, FALSE);
12308           start_sx = last_sx = sx;
12309           start_sy = last_sy = sy;
12310
12311           if (drawing_function == GADGET_ID_TEXT)
12312             DrawLevelText(0, 0, 0, TEXT_END);
12313         }
12314         else if (button_release_event)
12315         {
12316           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
12317           if (drawing_function == GADGET_ID_GRAB_BRUSH)
12318           {
12319             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
12320             CopyBrushToCursor(sx, sy);
12321             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
12322                           MB_LEFTBUTTON);
12323             draw_with_brush = TRUE;
12324           }
12325           else if (drawing_function == GADGET_ID_TEXT)
12326             DrawLevelText(sx, sy, 0, TEXT_INIT);
12327           else
12328             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12329         }
12330         else if (last_sx != sx || last_sy != sy)
12331         {
12332           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
12333           if (IS_MM_WALL_EDITOR(new_element))   /* clear wall background */
12334             draw_func(start_sx, start_sy, sx, sy, EL_EMPTY, FALSE);
12335           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
12336           last_sx = sx;
12337           last_sy = sy;
12338         }
12339       }
12340       break;
12341
12342     case GADGET_ID_FLOOD_FILL:
12343       if (button_press_event && Feld[lx][ly] != new_element)
12344       {
12345         if (IS_MM_WALL_EDITOR(new_element))
12346           FloodFillWall_MM(sx2, sy2, new_element);
12347         else
12348           FloodFill(lx, ly, new_element);
12349
12350         DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12351         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12352       }
12353       break;
12354
12355     case GADGET_ID_PICK_ELEMENT:
12356       if (button_release_event)
12357         ClickOnGadget(level_editor_gadget[last_drawing_function],
12358                       MB_LEFTBUTTON);
12359       else if (draw_level)
12360         PickDrawingElement(button, Feld[lx][ly]);
12361       else
12362       {
12363         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
12364
12365         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
12366       }
12367
12368     default:
12369       break;
12370   }
12371
12372   /* do not mark level as modified for certain non-level-changing gadgets */
12373   if ((type_id >= ED_DRAWING_ID_EDITOR_FIRST &&
12374        type_id <= ED_DRAWING_ID_EDITOR_LAST) ||
12375       actual_drawing_function == GADGET_ID_GRAB_BRUSH ||
12376       actual_drawing_function == GADGET_ID_PICK_ELEMENT)
12377     return;
12378
12379   level.changed = TRUE;
12380 }
12381
12382 static void HandleCounterButtons(struct GadgetInfo *gi)
12383 {
12384   int gadget_id = gi->custom_id;
12385   int counter_id = gi->custom_type_id;
12386   int button = gi->event.button;
12387   int *counter_value = counterbutton_info[counter_id].value;
12388   int step = BUTTON_STEPSIZE(button) *
12389     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
12390
12391   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
12392   {
12393     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
12394     boolean released = (gi->event.type == GD_EVENT_RELEASED);
12395     boolean level_changed = LevelChanged();
12396
12397     if ((level_changed && pressed) || (!level_changed && released))
12398       return;
12399
12400     if (level_changed && !Request("Level has changed! Discard changes?",
12401                                   REQ_ASK))
12402     {
12403       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
12404         ModifyEditorCounterValue(counter_id, *counter_value);
12405
12406       return;
12407     }
12408   }
12409
12410   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
12411     *counter_value = gi->textinput.number_value;
12412   else
12413     ModifyEditorCounterValue(counter_id, *counter_value + step);
12414
12415   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
12416   {
12417     int last_game_engine_type = level.game_engine_type;
12418
12419     LoadLevel(level_nr);
12420     LoadScore(level_nr);
12421
12422     SaveLevelSetup_SeriesInfo();
12423
12424     TapeErase();
12425
12426     ResetUndoBuffer();
12427     DrawEditModeWindow();
12428
12429     if (level.game_engine_type != last_game_engine_type)
12430     {
12431       /* update element selection list */
12432       ReinitializeElementList();
12433       ModifyEditorElementList();
12434     }
12435
12436     return;
12437   }
12438
12439   switch (counter_id)
12440   {
12441     case ED_COUNTER_ID_YAMYAM_CONTENT:
12442       DrawYamYamContentAreas();
12443       break;
12444
12445     case ED_COUNTER_ID_BALL_CONTENT:
12446       DrawMagicBallContentAreas();
12447       break;
12448
12449     case ED_COUNTER_ID_ANDROID_CONTENT:
12450       DrawAndroidElementArea(properties_element);
12451       break;
12452
12453     case ED_COUNTER_ID_GROUP_CONTENT:
12454       DrawGroupElementArea(properties_element);
12455       CopyGroupElementPropertiesToGame(properties_element);
12456       break;
12457
12458     case ED_COUNTER_ID_INVENTORY_SIZE:
12459       DrawPlayerInitialInventoryArea(properties_element);
12460       break;
12461
12462     case ED_COUNTER_ID_ENVELOPE_XSIZE:
12463     case ED_COUNTER_ID_ENVELOPE_YSIZE:
12464       DrawEnvelopeTextArea(-1);
12465       break;
12466
12467     case ED_COUNTER_ID_LEVEL_XSIZE:
12468     case ED_COUNTER_ID_LEVEL_YSIZE:
12469       lev_fieldx = level.fieldx;
12470       lev_fieldy = level.fieldy;
12471
12472       /* check if resizing of level results in change of border border */
12473       SetBorderElement();
12474
12475       break;
12476
12477     default:
12478       break;
12479   }
12480
12481   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
12482        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
12483       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
12484        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
12485     CopyElementPropertiesToGame(properties_element);
12486
12487   /* do not mark level as modified for certain non-level-changing gadgets */
12488   if ((counter_id >= ED_COUNTER_ID_LEVELSET_FIRST &&
12489        counter_id <= ED_COUNTER_ID_LEVELSET_LAST) ||
12490       (counter_id >= ED_COUNTER_ID_EDITOR_FIRST &&
12491        counter_id <= ED_COUNTER_ID_EDITOR_LAST))
12492     return;
12493
12494   level.changed = TRUE;
12495 }
12496
12497 static void HandleTextInputGadgets(struct GadgetInfo *gi)
12498 {
12499   int type_id = gi->custom_type_id;
12500
12501   strcpy(textinput_info[type_id].value, gi->textinput.value);
12502
12503   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
12504   {
12505     CopyElementPropertiesToGame(properties_element);
12506
12507     ModifyEditorElementList();  /* update changed button info text */
12508   }
12509
12510   /* do not mark level as modified for certain non-level-changing gadgets */
12511   if (type_id >= ED_TEXTINPUT_ID_LEVELSET_FIRST &&
12512       type_id <= ED_TEXTINPUT_ID_LEVELSET_LAST)
12513     return;
12514
12515   level.changed = TRUE;
12516 }
12517
12518 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
12519 {
12520   int type_id = gi->custom_type_id;
12521
12522   strncpy(textarea_info[type_id].value, gi->textarea.value,
12523           MAX_ENVELOPE_TEXT_LEN);
12524   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
12525
12526   level.changed = TRUE;
12527 }
12528
12529 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
12530 {
12531   int type_id = gi->custom_type_id;
12532   int value_old = *selectbox_info[type_id].value;
12533   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
12534
12535   *selectbox_info[type_id].value = value_new;
12536
12537   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE)
12538   {
12539     DrawLevelInfoWindow();
12540   }
12541   else if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
12542   {
12543     element_info[properties_element].current_change_page = gi->selectbox.index;
12544
12545     DrawPropertiesWindow();
12546   }
12547   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
12548             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
12549            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
12550             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
12551            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
12552   {
12553     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
12554     {
12555       /* when changing action type, also check action mode and action arg */
12556       if (value_old != value_new)
12557         setSelectboxSpecialActionVariablesIfNeeded();
12558
12559       DrawPropertiesChange();
12560     }
12561
12562     CopyElementPropertiesToGame(properties_element);
12563   }
12564   else if (type_id == ED_SELECTBOX_ID_GAME_ENGINE_TYPE)
12565   {
12566     /* update element selection list */
12567     ReinitializeElementList();
12568     ModifyEditorElementList();
12569   }
12570
12571   /* do not mark level as modified for certain non-level-changing gadgets */
12572   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE ||
12573       type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
12574     return;
12575
12576   level.changed = TRUE;
12577 }
12578
12579 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
12580 {
12581   int type_id = gi->custom_type_id;
12582   int i;
12583
12584   if (type_id >= ED_TAB_BUTTON_ID_LEVELINFO_FIRST &&
12585       type_id <= ED_TAB_BUTTON_ID_LEVELINFO_LAST)
12586   {
12587     edit_mode_levelinfo = gi->custom_type_id;
12588
12589     DrawLevelInfoWindow();
12590   }
12591   else if (type_id >= ED_TAB_BUTTON_ID_PROPERTIES_FIRST &&
12592            type_id <= ED_TAB_BUTTON_ID_PROPERTIES_LAST)
12593   {
12594     edit_mode_properties = gi->custom_type_id;
12595
12596     DrawPropertiesWindow();
12597   }
12598   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1 ||
12599            type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2)
12600   {
12601     boolean new_template = !fileExists(getLocalLevelTemplateFilename());
12602
12603     /* backup original "level.field" (needed to track playfield changes) */
12604     CopyPlayfield(level.field, FieldBackup);
12605
12606     /* "SaveLevelTemplate()" uses "level.field", so copy editor playfield */
12607     CopyPlayfield(Feld, level.field);
12608
12609     if (new_template ||
12610         Request("Save this template and kill the old?", REQ_ASK))
12611       SaveLevelTemplate();
12612
12613     if (new_template)
12614       Request("Template saved!", REQ_CONFIRM);
12615
12616     /* restore original "level.field" (needed to track playfield changes) */
12617     CopyPlayfield(FieldBackup, level.field);
12618   }
12619   else if (type_id == ED_TEXTBUTTON_ID_SAVE_LEVELSET)
12620   {
12621     char *levelset_subdir = getLevelSubdirFromSaveMode(levelset_save_mode);
12622
12623     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE &&
12624         leveldir_current->readonly)
12625     {
12626       Request("This level set is read only!", REQ_CONFIRM);
12627
12628       return;
12629     }
12630
12631     if (strEqual(levelset_name, ""))
12632     {
12633       Request("Please enter level set title!", REQ_CONFIRM);
12634
12635       return;
12636     }
12637
12638     if (strEqual(levelset_author, ""))
12639     {
12640       Request("Please enter level set author!", REQ_CONFIRM);
12641
12642       return;
12643     }
12644
12645     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE)
12646     {
12647       if (UpdateUserLevelSet(levelset_subdir,
12648                              levelset_name,
12649                              levelset_author,
12650                              levelset_num_levels))
12651       {
12652         Request("Level set updated!", REQ_CONFIRM);
12653       }
12654       else
12655       {
12656         Request("Updating level set failed!", REQ_CONFIRM);
12657       }
12658     }
12659     else
12660     {
12661       if (CreateUserLevelSet(levelset_subdir,
12662                              levelset_name,
12663                              levelset_author,
12664                              levelset_num_levels))
12665       {
12666         Request("New level set created!", REQ_CONFIRM);
12667
12668         AddUserLevelSetToLevelInfo(levelset_subdir);
12669         ChangeEditorToLevelSet(levelset_subdir);
12670       }
12671       else
12672       {
12673         Request("Creating new level set failed!", REQ_CONFIRM);
12674       }
12675     }
12676   }
12677   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
12678            custom_element.num_change_pages < MAX_CHANGE_PAGES)
12679   {
12680     struct ElementInfo *ei = &element_info[properties_element];
12681
12682     /* when modifying custom element, ask for copying level template */
12683     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
12684       return;
12685
12686     setElementChangePages(ei, ei->num_change_pages + 1);
12687
12688     /* set new change page to be new current change page */
12689     ei->current_change_page = ei->num_change_pages - 1;
12690     ei->change = &ei->change_page[ei->current_change_page];
12691
12692     setElementChangeInfoToDefaults(ei->change);
12693
12694     DrawPropertiesWindow();
12695
12696     level.changed = TRUE;
12697   }
12698   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
12699            custom_element.num_change_pages > MIN_CHANGE_PAGES)
12700   {
12701     struct ElementInfo *ei = &element_info[properties_element];
12702
12703     /* when modifying custom element, ask for copying level template */
12704     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
12705       return;
12706
12707     /* copy all change pages after change page to be deleted */
12708     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
12709       ei->change_page[i] = ei->change_page[i + 1];
12710
12711     setElementChangePages(ei, ei->num_change_pages - 1);
12712
12713     DrawPropertiesWindow();
12714
12715     level.changed = TRUE;
12716   }
12717 }
12718
12719 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
12720 {
12721   int type_id = gi->custom_type_id;
12722
12723   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
12724       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
12725   {
12726     struct ElementInfo *ei = &element_info[properties_element];
12727     int step = BUTTON_STEPSIZE(gi->event.button);
12728
12729     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
12730     ei->current_change_page += step;
12731
12732     if (ei->current_change_page < 0)
12733       ei->current_change_page = 0;
12734     else if (ei->current_change_page >= ei->num_change_pages)
12735       ei->current_change_page = ei->num_change_pages - 1;
12736
12737     DrawPropertiesWindow();
12738   }
12739   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
12740            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
12741   {
12742     struct ElementInfo *ei = &element_info[properties_element];
12743     int current_change_page = ei->current_change_page;
12744
12745     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
12746     {
12747       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
12748         ei->change_page[current_change_page];
12749     }
12750     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
12751     {
12752       /* when modifying custom element, ask for copying level template */
12753       if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
12754         return;
12755
12756       ei->change_page[current_change_page] =
12757         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
12758
12759       level.changed = TRUE;
12760     }
12761
12762     DrawPropertiesWindow();
12763   }
12764 }
12765
12766 static void HandleRadiobuttons(struct GadgetInfo *gi)
12767 {
12768   int type_id = gi->custom_type_id;
12769
12770   *radiobutton_info[type_id].value =
12771     radiobutton_info[type_id].checked_value;
12772
12773   /* do not mark level as modified for certain non-level-changing gadgets */
12774   if (type_id >= ED_RADIOBUTTON_ID_EDITOR_FIRST &&
12775       type_id <= ED_RADIOBUTTON_ID_EDITOR_LAST)
12776     return;
12777
12778   level.changed = TRUE;
12779 }
12780
12781 static void HandleCheckbuttons(struct GadgetInfo *gi)
12782 {
12783   int type_id = gi->custom_type_id;
12784
12785   *checkbutton_info[type_id].value ^= TRUE;
12786
12787   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
12788       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
12789       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
12790       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
12791          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
12792         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
12793          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
12794        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1))
12795   {
12796     CopyElementPropertiesToGame(properties_element);
12797   }
12798
12799   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
12800   {
12801     UpdateCustomElementGraphicGadgets();
12802   }
12803   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1 ||
12804            type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2)
12805   {
12806     boolean template_related_changes_found = FALSE;
12807     int i;
12808
12809     /* check if any custom or group elements have been changed */
12810     for (i = 0; i < NUM_FILE_ELEMENTS; i++)
12811       if ((IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)) &&
12812           element_info[i].modified_settings)
12813         template_related_changes_found = TRUE;
12814
12815     if (level.use_custom_template &&
12816         !fileExists(getGlobalLevelTemplateFilename()))
12817     {
12818       Request("No level template found!", REQ_CONFIRM);
12819
12820       level.use_custom_template = FALSE;
12821
12822       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
12823
12824       return;
12825     }
12826
12827     if (level.use_custom_template &&
12828         template_related_changes_found &&
12829         !Request("Discard changes and use level template?", REQ_ASK))
12830     {
12831       level.use_custom_template = FALSE;
12832
12833       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
12834
12835       return;
12836     }
12837
12838     if (!level.use_custom_template &&
12839         Request("Copy settings from level template?", REQ_ASK))
12840     {
12841       return;
12842     }
12843
12844     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
12845
12846     DrawEditModeWindow();
12847   }
12848   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3)
12849   {
12850     if (setup.editor.use_template_for_new_levels &&
12851         !fileExists(getGlobalLevelTemplateFilename()))
12852     {
12853       Request("No level template found!", REQ_CONFIRM);
12854
12855       return;
12856     }
12857
12858     if (setup.editor.use_template_for_new_levels &&
12859         level.changed &&
12860         !Request("Discard level and load template?", REQ_ASK))
12861     {
12862       return;
12863     }
12864
12865     if (!setup.editor.use_template_for_new_levels &&
12866         level.changed &&
12867         !Request("Discard level and use empty level?", REQ_ASK))
12868     {
12869       return;
12870     }
12871
12872     LoadLevel(level_nr);
12873     LoadScore(level_nr);
12874
12875     TapeErase();
12876
12877     ResetUndoBuffer();
12878     DrawEditModeWindow();
12879   }
12880   else if (type_id == ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS)
12881   {
12882     SetAutomaticNumberOfGemsNeeded();
12883   }
12884
12885   /* do not mark level as modified for certain non-level-changing gadgets */
12886   if ((type_id >= ED_CHECKBUTTON_ID_EDITOR_FIRST &&
12887        type_id <= ED_CHECKBUTTON_ID_EDITOR_LAST) ||
12888       type_id == ED_CHECKBUTTON_ID_STICK_ELEMENT)
12889     return;
12890
12891   level.changed = TRUE;
12892 }
12893
12894 static void HandleControlButtons(struct GadgetInfo *gi)
12895 {
12896   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
12897   static int last_edit_mode = ED_MODE_DRAWING;
12898   static int last_custom_copy_mode = -1;
12899   static int last_button = 0;
12900   int id = gi->custom_id;
12901   int button = gi->event.button;
12902   int step = BUTTON_STEPSIZE(button);
12903   int new_element = BUTTON_ELEMENT(button);
12904   int last_properties_element = properties_element;
12905   int x, y;
12906
12907   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
12908     DrawLevelText(0, 0, 0, TEXT_END);
12909
12910   if (id < ED_NUM_CTRL1_BUTTONS &&
12911       id != GADGET_ID_SINGLE_ITEMS &&
12912       id != GADGET_ID_PICK_ELEMENT &&
12913       edit_mode != ED_MODE_DRAWING &&
12914       drawing_function != GADGET_ID_PICK_ELEMENT &&
12915       !(GetKeyModState() & KMOD_Control))
12916     ChangeEditModeWindow(ED_MODE_DRAWING);
12917
12918   /* element copy mode active, but no element button pressed => deactivate */
12919   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
12920     last_custom_copy_mode = -1;
12921
12922   /* when showing palette on element buttons, change element of button used */
12923   if (editor.palette.show_on_element_buttons &&
12924       id >= GADGET_ID_ELEMENT_LEFT && id <= GADGET_ID_ELEMENT_RIGHT)
12925   {
12926     last_button = id - GADGET_ID_ELEMENT_LEFT + 1;
12927
12928     id = GADGET_ID_PALETTE;
12929   }
12930
12931   switch (id)
12932   {
12933     case GADGET_ID_SCROLL_LEFT:
12934       if (level_xpos >= 0)
12935       {
12936         if (lev_fieldx < ed_fieldx - 2)
12937           break;
12938
12939         level_xpos -= step;
12940         if (level_xpos < -1)
12941           level_xpos = -1;
12942         if (button == 1)
12943           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
12944         else
12945           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12946
12947         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
12948                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
12949       }
12950       break;
12951
12952     case GADGET_ID_SCROLL_RIGHT:
12953       if (level_xpos <= lev_fieldx - ed_fieldx)
12954       {
12955         if (lev_fieldx < ed_fieldx - 2)
12956           break;
12957
12958         level_xpos += step;
12959         if (level_xpos > lev_fieldx - ed_fieldx + 1)
12960           level_xpos = lev_fieldx - ed_fieldx + 1;
12961         if (button == 1)
12962           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
12963         else
12964           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12965
12966         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
12967                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
12968       }
12969       break;
12970
12971     case GADGET_ID_SCROLL_UP:
12972       if (level_ypos >= 0)
12973       {
12974         if (lev_fieldy < ed_fieldy - 2)
12975           break;
12976
12977         level_ypos -= step;
12978         if (level_ypos < -1)
12979           level_ypos = -1;
12980         if (button == 1)
12981           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
12982         else
12983           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12984
12985         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
12986                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
12987       }
12988       break;
12989
12990     case GADGET_ID_SCROLL_DOWN:
12991       if (level_ypos <= lev_fieldy - ed_fieldy)
12992       {
12993         if (lev_fieldy < ed_fieldy - 2)
12994           break;
12995
12996         level_ypos += step;
12997         if (level_ypos > lev_fieldy - ed_fieldy + 1)
12998           level_ypos = lev_fieldy - ed_fieldy + 1;
12999         if (button == 1)
13000           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_UP);
13001         else
13002           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13003
13004         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
13005                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
13006       }
13007       break;
13008
13009     case GADGET_ID_SCROLL_HORIZONTAL:
13010       level_xpos = gi->event.item_position - 1;
13011
13012       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13013       BackToFront();
13014
13015       break;
13016
13017     case GADGET_ID_SCROLL_VERTICAL:
13018       level_ypos = gi->event.item_position - 1;
13019
13020       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13021       BackToFront();
13022
13023       break;
13024
13025     case GADGET_ID_SCROLL_LIST_UP:
13026     case GADGET_ID_SCROLL_LIST_DOWN:
13027     case GADGET_ID_SCROLL_LIST_VERTICAL:
13028       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
13029         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
13030       else
13031       {
13032         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
13033         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
13034
13035         if (element_shift < 0)
13036           element_shift = 0;
13037         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
13038           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
13039
13040         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
13041                      GDI_SCROLLBAR_ITEM_POSITION,
13042                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
13043       }
13044
13045       ModifyEditorElementList();
13046
13047       break;
13048
13049     case GADGET_ID_PROPERTIES:
13050       // always switch off element properties when they are already displayed
13051       last_properties_element = new_element;
13052     case GADGET_ID_ELEMENT_LEFT:
13053     case GADGET_ID_ELEMENT_MIDDLE:
13054     case GADGET_ID_ELEMENT_RIGHT:
13055       properties_element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
13056                             id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
13057                             id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 :
13058                             new_element);
13059
13060       if (edit_mode != ED_MODE_PROPERTIES)
13061       {
13062         last_edit_mode = edit_mode;
13063
13064         ChangeEditModeWindow(ED_MODE_PROPERTIES);
13065
13066         last_level_drawing_function = drawing_function;
13067         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
13068                       MB_LEFTBUTTON);
13069       }
13070       else if (properties_element != last_properties_element)
13071       {
13072         DrawEditModeWindow();
13073       }
13074       else
13075       {
13076         ChangeEditModeWindow(last_edit_mode);
13077
13078         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
13079                       MB_LEFTBUTTON);
13080       }
13081       break;
13082
13083     case GADGET_ID_PALETTE:
13084       if (edit_mode != ED_MODE_PALETTE)
13085       {
13086         last_edit_mode = edit_mode;
13087
13088         ChangeEditModeWindow(ED_MODE_PALETTE);
13089       }
13090       else
13091       {
13092         ChangeEditModeWindow(last_edit_mode);
13093       }
13094       break;
13095
13096     case GADGET_ID_WRAP_LEFT:
13097       WrapLevel(-step, 0);
13098       break;
13099
13100     case GADGET_ID_WRAP_RIGHT:
13101       WrapLevel(step, 0);
13102       break;
13103
13104     case GADGET_ID_WRAP_UP:
13105       WrapLevel(0, -step);
13106       break;
13107
13108     case GADGET_ID_WRAP_DOWN:
13109       WrapLevel(0, step);
13110       break;
13111
13112     case GADGET_ID_SINGLE_ITEMS:
13113     case GADGET_ID_CONNECTED_ITEMS:
13114     case GADGET_ID_LINE:
13115     case GADGET_ID_ARC:
13116     case GADGET_ID_TEXT:
13117     case GADGET_ID_RECTANGLE:
13118     case GADGET_ID_FILLED_BOX:
13119     case GADGET_ID_FLOOD_FILL:
13120     case GADGET_ID_GRAB_BRUSH:
13121     case GADGET_ID_PICK_ELEMENT:
13122       if (drawing_function != GADGET_ID_PICK_ELEMENT)
13123         last_drawing_function = drawing_function;
13124       drawing_function = id;
13125       draw_with_brush = FALSE;
13126       break;
13127
13128     case GADGET_ID_RANDOM_PLACEMENT:
13129       RandomPlacement(new_element);
13130       break;
13131
13132     case GADGET_ID_ZOOM:
13133       // zoom level editor tile size in or out (or reset to default size)
13134       ed_tilesize = (button == 1 ? ed_tilesize * 2 :
13135                      button == 2 ? DEFAULT_EDITOR_TILESIZE :
13136                      button == 3 ? ed_tilesize / 2 : ed_tilesize);
13137
13138       // limit zoom level by upper and lower bound
13139       ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
13140
13141       InitZoomLevelSettings(ed_tilesize);
13142
13143       if (edit_mode == ED_MODE_DRAWING)
13144       {
13145         DrawDrawingWindow();
13146
13147         /* redraw zoom gadget info text */
13148         PrintEditorGadgetInfoText(level_editor_gadget[id]);
13149       }
13150
13151       /* save current editor zoom tilesize */
13152       SaveSetup_AutoSetup();
13153
13154       break;
13155
13156     case GADGET_ID_CUSTOM_COPY_FROM:
13157     case GADGET_ID_CUSTOM_COPY_TO:
13158     case GADGET_ID_CUSTOM_EXCHANGE:
13159       last_custom_copy_mode = id;
13160       last_drawing_function = drawing_function;
13161       break;
13162
13163     case GADGET_ID_CUSTOM_COPY:
13164       CopyCustomElement(properties_element, -1, id);
13165       break;
13166
13167     case GADGET_ID_CUSTOM_PASTE:
13168       CopyCustomElement(-1, properties_element, id);
13169       break;
13170
13171     case GADGET_ID_UNDO:
13172       if (button == 1 && GetKeyModState() & (KMOD_Shift|KMOD_Control))
13173         button = 3;
13174
13175       if (button == 1 && undo_buffer_steps == 0)
13176       {
13177         Request("Undo buffer empty!", REQ_CONFIRM);
13178
13179         break;
13180       }
13181       else if (button == 2)
13182       {
13183         break;
13184       }
13185       else if (button == 3 && redo_buffer_steps == 0)
13186       {
13187         Request("Redo buffer empty!", REQ_CONFIRM);
13188
13189         break;
13190       }
13191
13192       if (edit_mode != ED_MODE_DRAWING)
13193         ChangeEditModeWindow(ED_MODE_DRAWING);
13194
13195       if (button == 1)
13196       {
13197         /* undo */
13198
13199         undo_buffer_position =
13200           (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
13201
13202         undo_buffer_steps--;
13203         redo_buffer_steps++;
13204       }
13205       else
13206       {
13207         /* redo */
13208
13209         undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
13210
13211         undo_buffer_steps++;
13212         redo_buffer_steps--;
13213       }
13214
13215       for (x = 0; x < lev_fieldx; x++)
13216         for (y = 0; y < lev_fieldy; y++)
13217           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
13218
13219       /* check if undo operation forces change of border style */
13220       CheckLevelBorderElement(FALSE);
13221
13222       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13223
13224       break;
13225
13226     case GADGET_ID_INFO:
13227       if (edit_mode != ED_MODE_INFO)
13228       {
13229         last_edit_mode = edit_mode;
13230
13231         ChangeEditModeWindow(ED_MODE_INFO);
13232       }
13233       else
13234       {
13235         ChangeEditModeWindow(last_edit_mode);
13236       }
13237       break;
13238
13239     case GADGET_ID_CLEAR:
13240       if (edit_mode != ED_MODE_DRAWING)
13241         ChangeEditModeWindow(ED_MODE_DRAWING);
13242
13243       for (x = 0; x < MAX_LEV_FIELDX; x++)
13244         for (y = 0; y < MAX_LEV_FIELDY; y++)
13245           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
13246
13247       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
13248
13249       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13250       break;
13251
13252     case GADGET_ID_SAVE:
13253     {
13254       /* saving read-only levels into personal level set modifies global vars
13255          "leveldir_current" and "level_nr"; restore them after saving level */
13256       LevelDirTree *leveldir_former = leveldir_current;
13257       int level_nr_former = level_nr;
13258       char *level_filename;
13259       boolean new_level;
13260
13261       if (leveldir_current->readonly &&
13262           !PrepareSavingIntoPersonalLevelSet())
13263         break;
13264
13265       level_filename = getDefaultLevelFilename(level_nr);
13266       new_level = !fileExists(level_filename);
13267
13268       if (new_level ||
13269           Request("Save this level and kill the old?", REQ_ASK))
13270       {
13271         if (leveldir_former->readonly)
13272           ModifyLevelInfoForSavingIntoPersonalLevelSet(leveldir_former->name);
13273
13274         SetAutomaticNumberOfGemsNeeded();
13275
13276         CopyPlayfield(Feld, level.field);
13277         SaveLevel(level_nr);
13278
13279         level.changed = FALSE;
13280
13281         if (new_level)
13282         {
13283           char level_saved_msg[64];
13284
13285           if (leveldir_former->readonly)
13286             sprintf(level_saved_msg,
13287                     "Level saved as level %d into personal level set!",
13288                     level_nr);
13289           else
13290             strcpy(level_saved_msg, "Level saved!");
13291
13292           Request(level_saved_msg, REQ_CONFIRM);
13293         }
13294       }
13295
13296       /* "cd" back to copied-from levelset (in case of saved read-only level) */
13297       leveldir_current = leveldir_former;
13298       level_nr = level_nr_former;
13299
13300       break;
13301     }
13302
13303     case GADGET_ID_TEST:
13304       if (LevelChanged())
13305         level.game_version = GAME_VERSION_ACTUAL;
13306
13307       CopyPlayfield(level.field, FieldBackup);
13308       CopyPlayfield(Feld, level.field);
13309
13310       CopyNativeLevel_RND_to_Native(&level);
13311
13312       UnmapLevelEditorGadgets();
13313       UndrawSpecialEditorDoor();
13314
13315       CloseDoor(DOOR_CLOSE_ALL);
13316
13317       /* needed before playing if editor playfield area has different size */
13318       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
13319
13320       // redraw_mask = REDRAW_ALL;
13321
13322       level_editor_test_game = TRUE;
13323
13324       StartGameActions(FALSE, setup.autorecord, level.random_seed);
13325
13326       break;
13327
13328     case GADGET_ID_EXIT:
13329       RequestExitLevelEditor(TRUE, FALSE);  /* if level has changed, ask user */
13330       break;
13331
13332     default:
13333       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
13334           id <= GADGET_ID_ELEMENTLIST_LAST)
13335       {
13336         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
13337         int new_element = editor_elements[element_position + element_shift];
13338
13339         if (IS_EDITOR_CASCADE(new_element))
13340         {
13341           int i;
13342
13343           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
13344           {
13345             int *cascade_element= &(*editor_elements_info[i].headline_list)[0];
13346             boolean *cascade_value=editor_elements_info[i].setup_cascade_value;
13347
13348             if (*cascade_element == new_element)
13349             {
13350               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
13351               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
13352
13353               /* update element selection list */
13354               ReinitializeElementList();
13355               ModifyEditorElementList();
13356
13357               /* update cascading gadget info text */
13358               PrintEditorGadgetInfoText(level_editor_gadget[id]);
13359
13360               /* save current editor cascading state */
13361               SaveSetup_EditorCascade();
13362
13363               break;
13364             }
13365           }
13366
13367           break;
13368         }
13369
13370         if (last_custom_copy_mode != -1)
13371         {
13372           if (CopyCustomElement(properties_element, new_element,
13373                                 last_custom_copy_mode))
13374           {
13375             ClickOnGadget(level_editor_gadget[last_drawing_function],
13376                           MB_LEFTBUTTON);
13377
13378             last_custom_copy_mode = -1;
13379           }
13380
13381           break;
13382         }
13383
13384         /* change element of button used to show palette */
13385         if (editor.palette.show_on_element_buttons)
13386           button = last_button;
13387
13388         PickDrawingElement(button, new_element);
13389
13390         if (!stick_element_properties_window &&
13391             drawing_function != GADGET_ID_PICK_ELEMENT &&
13392             !(GetKeyModState() & KMOD_Control))
13393         {
13394           properties_element = new_element;
13395           if (edit_mode == ED_MODE_PROPERTIES)
13396             DrawPropertiesWindow();
13397         }
13398
13399         if (drawing_function == GADGET_ID_PICK_ELEMENT)
13400           ClickOnGadget(level_editor_gadget[last_drawing_function],
13401                         MB_LEFTBUTTON);
13402
13403         if (!use_permanent_palette)
13404           ChangeEditModeWindow(last_edit_mode);
13405       }
13406 #ifdef DEBUG
13407       else if (gi->event.type == GD_EVENT_PRESSED)
13408         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
13409       else if (gi->event.type == GD_EVENT_RELEASED)
13410         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
13411       else if (gi->event.type == GD_EVENT_MOVING)
13412         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
13413       else
13414         printf("default: HandleControlButtons: ? (id == %d)\n", id);
13415 #endif
13416       break;
13417   }
13418 }
13419
13420 void HandleLevelEditorKeyInput(Key key)
13421 {
13422   char letter = getCharFromKey(key);
13423   int button = MB_LEFTBUTTON;
13424
13425   if (drawing_function == GADGET_ID_TEXT &&
13426       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
13427   {
13428     if (letter)
13429       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
13430     else if (key == KSYM_Delete || key == KSYM_BackSpace)
13431       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
13432     else if (key == KSYM_Return)
13433       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
13434     else if (key == KSYM_Escape)
13435       DrawLevelText(0, 0, 0, TEXT_END);
13436   }
13437   else if (button_status == MB_RELEASED)
13438   {
13439     int id = GADGET_ID_NONE;
13440     int new_element_shift = element_shift;
13441     int step = ED_ELEMENTLIST_BUTTONS_VERT - 1;
13442     int i;
13443
13444     switch (key)
13445     {
13446       case KSYM_Left:
13447         id = GADGET_ID_SCROLL_LEFT;
13448         break;
13449       case KSYM_Right:
13450         id = GADGET_ID_SCROLL_RIGHT;
13451         break;
13452       case KSYM_Up:
13453         id = GADGET_ID_SCROLL_UP;
13454         break;
13455       case KSYM_Down:
13456         id = GADGET_ID_SCROLL_DOWN;
13457         break;
13458
13459       case KSYM_Page_Up:
13460       case KSYM_Page_Down:
13461         step *= (key == KSYM_Page_Up ? -1 : +1);
13462         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
13463
13464         if (element_shift < 0)
13465           element_shift = 0;
13466         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
13467           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
13468
13469         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
13470                      GDI_SCROLLBAR_ITEM_POSITION,
13471                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
13472
13473         ModifyEditorElementList();
13474
13475         break;
13476
13477       case KSYM_Home:
13478       case KSYM_End:
13479         element_shift = (key == KSYM_Home ? 0 :
13480                          num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
13481
13482         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
13483                      GDI_SCROLLBAR_ITEM_POSITION,
13484                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
13485
13486         ModifyEditorElementList();
13487
13488         break;
13489
13490       case KSYM_Insert:
13491       case KSYM_Delete:
13492
13493         /* this is needed to prevent interference with running "True X-Mouse" */
13494         if (GetKeyModStateFromEvents() & KMOD_Control)
13495           break;
13496
13497         /* check for last or next editor cascade block in element list */
13498         for (i = 0; i < num_editor_elements; i++)
13499         {
13500           if ((key == KSYM_Insert && i == element_shift) ||
13501               (key == KSYM_Delete && new_element_shift > element_shift))
13502             break;
13503
13504           /* jump to next cascade block (or to start of element list) */
13505           if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
13506             new_element_shift = i;
13507         }
13508
13509         if (i < num_editor_elements)
13510           element_shift = new_element_shift;
13511
13512         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
13513           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
13514
13515         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
13516                      GDI_SCROLLBAR_ITEM_POSITION,
13517                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
13518
13519         ModifyEditorElementList();
13520
13521         break;
13522
13523       case KSYM_Escape:
13524         if (edit_mode == ED_MODE_DRAWING)
13525         {
13526           RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
13527         }
13528         else if (edit_mode == ED_MODE_INFO)
13529         {
13530           HandleControlButtons(level_editor_gadget[GADGET_ID_INFO]);
13531         }
13532         else if (edit_mode == ED_MODE_PROPERTIES)
13533         {
13534           HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
13535         }
13536         else if (edit_mode == ED_MODE_PALETTE)
13537         {
13538           HandleControlButtons(level_editor_gadget[GADGET_ID_PALETTE]);
13539         }
13540         else            /* should never happen */
13541         {
13542           ChangeEditModeWindow(ED_MODE_DRAWING);
13543         }
13544
13545         break;
13546
13547       default:
13548         break;
13549     }
13550
13551     if (id != GADGET_ID_NONE)
13552       ClickOnGadget(level_editor_gadget[id], button);
13553     else if (letter == '1' || letter == '?')
13554       ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_LEFT], button);
13555     else if (letter == '2')
13556       ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_MIDDLE], button);
13557     else if (letter == '3')
13558       ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_RIGHT], button);
13559     else if (letter == '.')
13560       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
13561     else if (letter == 'U')
13562       ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
13563     else if (letter == '-' || key == KSYM_KP_Subtract)
13564       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 3);
13565     else if (letter == '0' || key == KSYM_KP_0)
13566       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 2);
13567     else if (letter == '+' || key == KSYM_KP_Add ||
13568              letter == '=')     // ("Shift-=" is "+" on US keyboards)
13569       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 1);
13570     else if (key == KSYM_Return ||
13571              key == KSYM_space ||
13572              key == setup.shortcut.toggle_pause)
13573       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
13574     else
13575       for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
13576         if (letter && letter == controlbutton_info[i].shortcut)
13577           if (!anyTextGadgetActive())
13578             ClickOnGadget(level_editor_gadget[i], button);
13579   }
13580 }
13581
13582 void HandleLevelEditorIdle()
13583 {
13584   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
13585   int x = editor.settings.element_graphic.x + element_border;
13586   int y = editor.settings.element_graphic.y + element_border;
13587   static unsigned int action_delay = 0;
13588   unsigned int action_delay_value = GameFrameDelay;
13589   int i;
13590
13591   if (edit_mode != ED_MODE_PROPERTIES)
13592     return;
13593
13594   if (!DelayReached(&action_delay, action_delay_value))
13595     return;
13596
13597   for (i = 0; i < ED_NUM_SELECTBOX; i++)
13598   {
13599     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
13600
13601     if (gi->mapped && gi->active && gi->selectbox.open)
13602       return;
13603   }
13604
13605   DrawEditorElementAnimation(SX + x, SY + y);
13606
13607   redraw_mask |= REDRAW_FIELD;
13608
13609   FrameCounter++;       /* increase animation frame counter */
13610 }
13611
13612 static void ClearEditorGadgetInfoText()
13613 {
13614   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
13615 }
13616
13617 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
13618 {
13619   char infotext[MAX_OUTPUT_LINESIZE + 1];
13620   char shortcut[MAX_OUTPUT_LINESIZE + 1];
13621   int max_infotext_len = getMaxInfoTextLength();
13622
13623   if (gi == NULL || strlen(gi->info_text) == 0)
13624     return;
13625
13626   strncpy(infotext, gi->info_text, max_infotext_len);
13627   infotext[max_infotext_len] = '\0';
13628
13629   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
13630   {
13631     int key = controlbutton_info[gi->custom_id].shortcut;
13632
13633     if (key)
13634     {
13635       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)
13636         sprintf(shortcut, " ('.' or '%c')", key);
13637       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT)
13638         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
13639       else if (gi->custom_id == GADGET_ID_TEST)
13640         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
13641       else if (gi->custom_id == GADGET_ID_UNDO)
13642         sprintf(shortcut, " ('%c/Shift-U')", key);
13643       else if (gi->custom_id == GADGET_ID_ZOOM)
13644         sprintf(shortcut, " ('%c', '0', '-')", key);
13645       else
13646         sprintf(shortcut, " ('%s%c')",
13647                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
13648
13649       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
13650         strcat(infotext, shortcut);
13651     }
13652   }
13653
13654   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, INFOTEXT_FONT);
13655 }
13656
13657 void HandleEditorGadgetInfoText(void *ptr)
13658 {
13659   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
13660
13661   if (game_status != GAME_MODE_EDITOR)
13662     return;
13663
13664   ClearEditorGadgetInfoText();
13665
13666   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
13667     return;
13668
13669   /* misuse this function to delete brush cursor, if needed */
13670   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
13671     DeleteBrushFromCursor();
13672
13673   PrintEditorGadgetInfoText(gi);
13674 }
13675
13676 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
13677 {
13678   static int start_lx, start_ly;
13679   int id = gi->custom_id;
13680   int type_id = gi->custom_type_id;
13681   int sx = gi->event.x;
13682   int sy = gi->event.y;
13683   int lx = sx + level_xpos;
13684   int ly = sy + level_ypos;
13685   int min_sx = 0, min_sy = 0;
13686   int max_sx = gi->drawing.area_xsize - 1;
13687   int max_sy = gi->drawing.area_ysize - 1;
13688   int actual_drawing_function = drawing_function;
13689   int max_infotext_len = getMaxInfoTextLength();
13690   char infotext[MAX_OUTPUT_LINESIZE + 1];
13691   char *text;
13692
13693   infotext[0] = '\0';           /* start with empty info text */
13694
13695   /* pressed Control key: simulate picking element */
13696   if (GetKeyModState() & KMOD_Control)
13697     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
13698
13699   ClearEditorGadgetInfoText();
13700
13701   if (gi->event.type == GD_EVENT_INFO_LEAVING)
13702     return;
13703
13704   /* make sure to stay inside drawing area boundaries */
13705   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
13706   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
13707
13708   if (id == GADGET_ID_DRAWING_LEVEL)
13709   {
13710     if (button_status)
13711     {
13712       int min_lx = 0, min_ly = 0;
13713       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
13714
13715       /* get positions inside level field */
13716       lx = sx + level_xpos;
13717       ly = sy + level_ypos;
13718
13719       /* make sure to stay inside level field boundaries */
13720       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
13721       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
13722
13723       /* correct drawing area positions accordingly */
13724       sx = lx - level_xpos;
13725       sy = ly - level_ypos;
13726     }
13727
13728     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
13729     {
13730       if (button_status)        /* if (gi->state == GD_BUTTON_PRESSED) */
13731       {
13732         if (gi->event.type == GD_EVENT_PRESSED)
13733         {
13734           start_lx = lx;
13735           start_ly = ly;
13736         }
13737
13738         switch (actual_drawing_function)
13739         {
13740           case GADGET_ID_SINGLE_ITEMS:
13741             text = "Drawing single items";
13742             break;
13743           case GADGET_ID_CONNECTED_ITEMS:
13744             text = "Drawing connected items";
13745             break;
13746           case GADGET_ID_LINE:
13747             text = "Drawing line";
13748             break;
13749           case GADGET_ID_ARC:
13750             text = "Drawing arc";
13751             break;
13752           case GADGET_ID_TEXT:
13753             text = "Setting text cursor";
13754             break;
13755           case GADGET_ID_RECTANGLE:
13756             text = "Drawing rectangle";
13757             break;
13758           case GADGET_ID_FILLED_BOX:
13759             text = "Drawing filled box";
13760             break;
13761           case GADGET_ID_FLOOD_FILL:
13762             text = "Flood fill";
13763             break;
13764           case GADGET_ID_GRAB_BRUSH:
13765             text = "Grabbing brush";
13766             break;
13767           case GADGET_ID_PICK_ELEMENT:
13768             text = "Picking element";
13769             break;
13770
13771           default:
13772             text = "Drawing position";
13773             break;
13774         }
13775
13776         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
13777           sprintf(infotext, "%s: %d, %d", text, lx, ly);
13778         else
13779           sprintf(infotext, "%s: %d, %d", text,
13780                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
13781       }
13782       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
13783         strncpy(infotext, getElementInfoText(Feld[lx][ly]), max_infotext_len);
13784       else
13785         sprintf(infotext, "Level position: %d, %d", lx, ly);
13786     }
13787
13788     /* misuse this function to draw brush cursor, if needed */
13789     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
13790     {
13791       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
13792         CopyBrushToCursor(sx, sy);
13793       else
13794         DeleteBrushFromCursor();
13795     }
13796   }
13797   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
13798   {
13799     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
13800     int element = drawingarea_info[type_id].value[pos];
13801
13802     strncpy(infotext, getElementInfoText(element), max_infotext_len);
13803   }
13804   else
13805   {
13806     if (id == GADGET_ID_CUSTOM_CONTENT)
13807       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
13808     else if (id == GADGET_ID_GROUP_CONTENT)
13809       sprintf(infotext, "group element position: %d", sx + 1);
13810     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
13811              id <= GADGET_ID_YAMYAM_CONTENT_7)
13812       sprintf(infotext, "content area %d position: %d, %d",
13813               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
13814     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
13815              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
13816       sprintf(infotext, "content area %d position: %d, %d",
13817               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
13818     else if (id == GADGET_ID_ANDROID_CONTENT)
13819       sprintf(infotext, "android element position: %d", sx + 1);
13820     else if (drawingarea_info[type_id].infotext != NULL)
13821       strcpy(infotext, drawingarea_info[type_id].infotext);
13822   }
13823
13824   infotext[max_infotext_len] = '\0';
13825
13826   if (strlen(infotext) > 0)
13827     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT, infotext);
13828 }
13829
13830 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
13831                             boolean quick_quit)
13832 {
13833   if (!ask_if_level_has_changed ||
13834       !LevelChanged() ||
13835       Request("Level has changed! Exit without saving?",
13836               REQ_ASK | REQ_STAY_OPEN))
13837   {
13838     struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
13839     struct RectWithBorder *vp_door_2 = &viewport.door_2[GAME_MODE_MAIN];
13840
13841     /* draw normal door */
13842     UndrawSpecialEditorDoor();
13843
13844     // close editor doors if viewport definition is the same as in main menu
13845     if (vp_door_1->x      == DX     &&
13846         vp_door_1->y      == DY     &&
13847         vp_door_1->width  == DXSIZE &&
13848         vp_door_1->height == DYSIZE &&
13849         vp_door_2->x      == VX     &&
13850         vp_door_2->y      == VY     &&
13851         vp_door_2->width  == VXSIZE &&
13852         vp_door_2->height == VYSIZE)
13853       CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
13854     else
13855       SetDoorState(DOOR_CLOSE_2);
13856
13857     BackToFront();
13858
13859     if (quick_quit)
13860       FadeSkipNextFadeIn();
13861
13862     SetGameStatus(GAME_MODE_MAIN);
13863
13864     DrawMainMenu();
13865   }
13866   else
13867   {
13868     if (!global.use_envelope_request)
13869     {
13870       CloseDoor(DOOR_CLOSE_1);
13871       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
13872     }
13873   }
13874 }