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 DrawDrawingWindowExt(boolean);
3726 static void DrawDrawingWindow();
3727 static void DrawDrawingWindow_PlayfieldOnly();
3728 static void DrawLevelInfoWindow();
3729 static void DrawPropertiesWindow();
3730 static void DrawPaletteWindow();
3731 static void UpdateCustomElementGraphicGadgets();
3732 static boolean checkPropertiesConfig(int);
3733 static void SetAutomaticNumberOfGemsNeeded();
3734 static void ClearEditorGadgetInfoText();
3735 static void CopyLevelToUndoBuffer(int);
3736 static void HandleDrawingAreas(struct GadgetInfo *);
3737 static void HandleCounterButtons(struct GadgetInfo *);
3738 static void HandleTextInputGadgets(struct GadgetInfo *);
3739 static void HandleTextAreaGadgets(struct GadgetInfo *);
3740 static void HandleSelectboxGadgets(struct GadgetInfo *);
3741 static void HandleTextbuttonGadgets(struct GadgetInfo *);
3742 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
3743 static void HandleRadiobuttons(struct GadgetInfo *);
3744 static void HandleCheckbuttons(struct GadgetInfo *);
3745 static void HandleControlButtons(struct GadgetInfo *);
3746 static void HandleDrawingAreaInfo(struct GadgetInfo *);
3747 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
3748 static boolean AskToCopyAndModifyLevelTemplate();
3749 static boolean getDrawModeHiRes();
3750 static int getTabulatorBarWidth();
3751 static int getTabulatorBarHeight();
3752 static Pixel getTabulatorBarColor();
3753
3754 static int num_editor_gadgets = 0;      /* dynamically determined */
3755
3756 static struct GadgetInfo **level_editor_gadget = NULL;
3757 static int *right_gadget_border = NULL;
3758
3759 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
3760 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
3761 static boolean draw_with_brush = FALSE;
3762 static int properties_element = 0;
3763
3764 static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3765 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3766 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3767 static int undo_buffer_position = 0;
3768 static int undo_buffer_steps = 0;
3769 static int redo_buffer_steps = 0;
3770
3771 static int edit_mode;
3772 static int edit_mode_levelinfo;
3773 static int edit_mode_properties;
3774
3775 static int element_shift = 0;
3776
3777 static int editor_el_players[] =
3778 {
3779   EL_PLAYER_1,
3780   EL_PLAYER_2,
3781   EL_PLAYER_3,
3782   EL_PLAYER_4
3783 };
3784 static int *editor_el_players_ptr = editor_el_players;
3785 static int num_editor_el_players = SIZEOF_ARRAY_INT(editor_el_players);
3786
3787 static int editor_hl_boulderdash[] =
3788 {
3789   EL_INTERNAL_CASCADE_BD_ACTIVE,
3790   EL_CHAR('B'),
3791   EL_CHAR('D'),
3792   EL_EMPTY,
3793 };
3794
3795 static int editor_el_boulderdash[] =
3796 {
3797   EL_EMPTY,
3798   EL_SAND,
3799   EL_BD_ROCK,
3800   EL_BD_DIAMOND,
3801
3802   EL_STEELWALL,
3803   EL_BD_WALL,
3804   EL_BD_EXPANDABLE_WALL,
3805   EL_BD_MAGIC_WALL,
3806
3807   EL_BD_AMOEBA,
3808   EL_BD_BUTTERFLY_UP,
3809   EL_BD_FIREFLY_UP,
3810   EL_EXIT_CLOSED,
3811
3812   EL_BD_BUTTERFLY_LEFT,
3813   EL_BD_FIREFLY_LEFT,
3814   EL_BD_BUTTERFLY_RIGHT,
3815   EL_BD_FIREFLY_RIGHT,
3816
3817   EL_EMPTY,
3818   EL_BD_BUTTERFLY_DOWN,
3819   EL_BD_FIREFLY_DOWN,
3820   EL_EXIT_OPEN,
3821 };
3822 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
3823 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
3824 static int num_editor_hl_boulderdash = SIZEOF_ARRAY_INT(editor_hl_boulderdash);
3825 static int num_editor_el_boulderdash = SIZEOF_ARRAY_INT(editor_el_boulderdash);
3826
3827 static int editor_hl_emerald_mine[] =
3828 {
3829   EL_INTERNAL_CASCADE_EM_ACTIVE,
3830   EL_CHAR('E'),
3831   EL_CHAR('M'),
3832   EL_EMPTY,
3833 };
3834
3835 static int editor_el_emerald_mine[] =
3836 {
3837   EL_SAND,
3838   EL_ROCK,
3839   EL_QUICKSAND_EMPTY,
3840   EL_QUICKSAND_FULL,
3841
3842   EL_STEELWALL,
3843   EL_WALL,
3844   EL_WALL_SLIPPERY,
3845   EL_MAGIC_WALL,
3846
3847   EL_EMERALD,
3848   EL_DIAMOND,
3849   EL_NUT,
3850   EL_BOMB,
3851
3852   EL_WALL_EMERALD,
3853   EL_WALL_DIAMOND,
3854   EL_DYNAMITE,
3855   EL_DYNAMITE_ACTIVE,
3856
3857   EL_YAMYAM,
3858   EL_BUG_UP,
3859   EL_SPACESHIP_UP,
3860   EL_ROBOT,
3861
3862   EL_BUG_LEFT,
3863   EL_SPACESHIP_LEFT,
3864   EL_BUG_RIGHT,
3865   EL_SPACESHIP_RIGHT,
3866
3867   EL_ROBOT_WHEEL,
3868   EL_BUG_DOWN,
3869   EL_SPACESHIP_DOWN,
3870   EL_INVISIBLE_WALL,
3871
3872   EL_ACID_POOL_TOPLEFT,
3873   EL_ACID,
3874   EL_ACID_POOL_TOPRIGHT,
3875   EL_AMOEBA_DROP,
3876
3877   EL_ACID_POOL_BOTTOMLEFT,
3878   EL_ACID_POOL_BOTTOM,
3879   EL_ACID_POOL_BOTTOMRIGHT,
3880   EL_AMOEBA_WET,
3881
3882   EL_EM_KEY_1,
3883   EL_EM_KEY_2,
3884   EL_EM_KEY_3,
3885   EL_EM_KEY_4,
3886
3887   EL_EM_GATE_1,
3888   EL_EM_GATE_2,
3889   EL_EM_GATE_3,
3890   EL_EM_GATE_4,
3891
3892   EL_EM_GATE_1_GRAY,
3893   EL_EM_GATE_2_GRAY,
3894   EL_EM_GATE_3_GRAY,
3895   EL_EM_GATE_4_GRAY,
3896
3897   EL_EM_EXIT_CLOSED,
3898   EL_EM_EXIT_OPEN,
3899   EL_EM_STEEL_EXIT_CLOSED,
3900   EL_EM_STEEL_EXIT_OPEN,
3901 };
3902 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
3903 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
3904 static int num_editor_hl_emerald_mine=SIZEOF_ARRAY_INT(editor_hl_emerald_mine);
3905 static int num_editor_el_emerald_mine=SIZEOF_ARRAY_INT(editor_el_emerald_mine);
3906
3907 static int editor_hl_emerald_mine_club[] =
3908 {
3909   EL_INTERNAL_CASCADE_EMC_ACTIVE,
3910   EL_CHAR('E'),
3911   EL_CHAR('M'),
3912   EL_CHAR('C'),
3913 };
3914
3915 static int editor_el_emerald_mine_club[] =
3916 {
3917   EL_EMC_KEY_5,
3918   EL_EMC_KEY_6,
3919   EL_EMC_KEY_7,
3920   EL_EMC_KEY_8,
3921
3922   EL_EMC_GATE_5,
3923   EL_EMC_GATE_6,
3924   EL_EMC_GATE_7,
3925   EL_EMC_GATE_8,
3926
3927   EL_EMC_GATE_5_GRAY,
3928   EL_EMC_GATE_6_GRAY,
3929   EL_EMC_GATE_7_GRAY,
3930   EL_EMC_GATE_8_GRAY,
3931
3932   EL_EMC_STEELWALL_1,
3933   EL_EMC_STEELWALL_2,
3934   EL_EMC_STEELWALL_3,
3935   EL_EMC_STEELWALL_4,
3936
3937   EL_EMC_WALL_13,
3938   EL_EMC_WALL_14,
3939   EL_EMC_WALL_15,
3940   EL_EMC_WALL_16,
3941
3942   EL_EMC_WALL_SLIPPERY_1,
3943   EL_EMC_WALL_SLIPPERY_2,
3944   EL_EMC_WALL_SLIPPERY_3,
3945   EL_EMC_WALL_SLIPPERY_4,
3946
3947   EL_EMC_WALL_1,
3948   EL_EMC_WALL_2,
3949   EL_EMC_WALL_3,
3950   EL_EMC_WALL_4,
3951
3952   EL_EMC_WALL_5,
3953   EL_EMC_WALL_6,
3954   EL_EMC_WALL_7,
3955   EL_EMC_WALL_8,
3956
3957   EL_EMC_WALL_9,
3958   EL_EMC_WALL_10,
3959   EL_EMC_WALL_11,
3960   EL_EMC_WALL_12,
3961
3962   EL_EMC_GRASS,
3963   EL_EMC_FAKE_GRASS,
3964   EL_EMC_PLANT,
3965   EL_EMC_DRIPPER,
3966
3967   EL_EMC_MAGIC_BALL,
3968   EL_EMC_MAGIC_BALL_SWITCH,
3969   EL_SPRING,
3970   EL_EMC_SPRING_BUMPER,
3971
3972   EL_EMC_LENSES,
3973   EL_EMC_MAGNIFIER,
3974   EL_EM_DYNAMITE,
3975   EL_EM_DYNAMITE_ACTIVE,
3976
3977   EL_BALLOON,
3978   EL_YAMYAM_UP,
3979   EL_BALLOON_SWITCH_UP,
3980   EL_BALLOON_SWITCH_ANY,
3981
3982   EL_YAMYAM_LEFT,
3983   EL_BALLOON_SWITCH_LEFT,
3984   EL_YAMYAM_RIGHT,
3985   EL_BALLOON_SWITCH_RIGHT,
3986
3987   EL_EMC_ANDROID,
3988   EL_YAMYAM_DOWN,
3989   EL_BALLOON_SWITCH_DOWN,
3990   EL_BALLOON_SWITCH_NONE,
3991 };
3992 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
3993 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
3994 static int num_editor_hl_emerald_mine_club=SIZEOF_ARRAY_INT(editor_hl_emerald_mine_club);
3995 static int num_editor_el_emerald_mine_club=SIZEOF_ARRAY_INT(editor_el_emerald_mine_club);
3996
3997 static int editor_hl_rnd[] =
3998 {
3999   EL_INTERNAL_CASCADE_RND_ACTIVE,
4000   EL_CHAR('R'),
4001   EL_CHAR('N'),
4002   EL_CHAR('D'),
4003 };
4004
4005 static int editor_el_rnd[] =
4006 {
4007   EL_KEY_1,
4008   EL_KEY_2,
4009   EL_KEY_3,
4010   EL_KEY_4,
4011
4012   EL_GATE_1,
4013   EL_GATE_2,
4014   EL_GATE_3,
4015   EL_GATE_4,
4016
4017   EL_GATE_1_GRAY,
4018   EL_GATE_2_GRAY,
4019   EL_GATE_3_GRAY,
4020   EL_GATE_4_GRAY,
4021
4022   EL_ARROW_LEFT,
4023   EL_ARROW_RIGHT,
4024   EL_ARROW_UP,
4025   EL_ARROW_DOWN,
4026
4027   EL_AMOEBA_DEAD,
4028   EL_AMOEBA_DRY,
4029   EL_AMOEBA_FULL,
4030   EL_GAME_OF_LIFE,
4031
4032   EL_EMERALD_YELLOW,
4033   EL_EMERALD_RED,
4034   EL_EMERALD_PURPLE,
4035   EL_BIOMAZE,
4036
4037   EL_WALL_EMERALD_YELLOW,
4038   EL_WALL_EMERALD_RED,
4039   EL_WALL_EMERALD_PURPLE,
4040   EL_WALL_BD_DIAMOND,
4041
4042   EL_SPEED_PILL,
4043   EL_PACMAN_UP,
4044   EL_TIME_ORB_FULL,
4045   EL_TIME_ORB_EMPTY,
4046
4047   EL_PACMAN_LEFT,
4048   EL_DARK_YAMYAM,
4049   EL_PACMAN_RIGHT,
4050   EL_EMPTY,
4051
4052   EL_BLACK_ORB,
4053   EL_PACMAN_DOWN,
4054   EL_LAMP,
4055   EL_LAMP_ACTIVE,
4056
4057   EL_DYNABOMB_INCREASE_NUMBER,
4058   EL_DYNABOMB_INCREASE_SIZE,
4059   EL_DYNABOMB_INCREASE_POWER,
4060   EL_STONEBLOCK,
4061
4062   EL_MOLE,
4063   EL_PENGUIN,
4064   EL_PIG,
4065   EL_DRAGON,
4066
4067   EL_BUG,
4068   EL_MOLE_UP,
4069   EL_BD_BUTTERFLY,
4070   EL_BD_FIREFLY,
4071
4072   EL_MOLE_LEFT,
4073   EL_SATELLITE,
4074   EL_MOLE_RIGHT,
4075   EL_PACMAN,
4076
4077   EL_SPACESHIP,
4078   EL_MOLE_DOWN,
4079   EL_INVISIBLE_STEELWALL,
4080   EL_INVISIBLE_WALL,
4081
4082   EL_EXPANDABLE_WALL,
4083   EL_EXPANDABLE_WALL_HORIZONTAL,
4084   EL_EXPANDABLE_WALL_VERTICAL,
4085   EL_EXPANDABLE_WALL_ANY,
4086 };
4087 static int *editor_hl_rnd_ptr = editor_hl_rnd;
4088 static int *editor_el_rnd_ptr = editor_el_rnd;
4089 static int num_editor_hl_rnd = SIZEOF_ARRAY_INT(editor_hl_rnd);
4090 static int num_editor_el_rnd = SIZEOF_ARRAY_INT(editor_el_rnd);
4091
4092 static int editor_hl_sokoban[] =
4093 {
4094   EL_INTERNAL_CASCADE_SB_ACTIVE,
4095   EL_CHAR('S'),
4096   EL_CHAR('B'),
4097   EL_EMPTY,
4098 };
4099
4100 static int editor_el_sokoban[] =
4101 {
4102   EL_SOKOBAN_OBJECT,
4103   EL_SOKOBAN_FIELD_EMPTY,
4104   EL_SOKOBAN_FIELD_FULL,
4105   EL_SOKOBAN_FIELD_PLAYER,
4106 };
4107 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
4108 static int *editor_el_sokoban_ptr = editor_el_sokoban;
4109 static int num_editor_hl_sokoban = SIZEOF_ARRAY_INT(editor_hl_sokoban);
4110 static int num_editor_el_sokoban = SIZEOF_ARRAY_INT(editor_el_sokoban);
4111
4112 static int editor_hl_supaplex[] =
4113 {
4114   EL_INTERNAL_CASCADE_SP_ACTIVE,
4115   EL_CHAR('S'),
4116   EL_CHAR('P'),
4117   EL_EMPTY,
4118 };
4119
4120 static int editor_el_supaplex[] =
4121 {
4122   EL_SP_MURPHY,
4123   EL_EMPTY,
4124   EL_SP_BASE,
4125   EL_SP_BUGGY_BASE,
4126
4127   EL_SP_INFOTRON,
4128   EL_SP_ZONK,
4129   EL_SP_SNIKSNAK,
4130   EL_SP_ELECTRON,
4131
4132   EL_SP_DISK_RED,
4133   EL_SP_DISK_ORANGE,
4134   EL_SP_DISK_YELLOW,
4135   EL_SP_TERMINAL,
4136
4137   EL_SP_EXIT_CLOSED,
4138   EL_SP_PORT_HORIZONTAL,
4139   EL_SP_PORT_VERTICAL,
4140   EL_SP_PORT_ANY,
4141
4142   EL_SP_PORT_LEFT,
4143   EL_SP_PORT_RIGHT,
4144   EL_SP_PORT_UP,
4145   EL_SP_PORT_DOWN,
4146
4147   EL_SP_GRAVITY_PORT_LEFT,
4148   EL_SP_GRAVITY_PORT_RIGHT,
4149   EL_SP_GRAVITY_PORT_UP,
4150   EL_SP_GRAVITY_PORT_DOWN,
4151
4152   EL_SP_GRAVITY_ON_PORT_LEFT,
4153   EL_SP_GRAVITY_ON_PORT_RIGHT,
4154   EL_SP_GRAVITY_ON_PORT_UP,
4155   EL_SP_GRAVITY_ON_PORT_DOWN,
4156
4157   EL_SP_GRAVITY_OFF_PORT_LEFT,
4158   EL_SP_GRAVITY_OFF_PORT_RIGHT,
4159   EL_SP_GRAVITY_OFF_PORT_UP,
4160   EL_SP_GRAVITY_OFF_PORT_DOWN,
4161
4162   EL_SP_HARDWARE_GRAY,
4163   EL_SP_HARDWARE_GREEN,
4164   EL_SP_HARDWARE_BLUE,
4165   EL_SP_HARDWARE_RED,
4166
4167   EL_SP_HARDWARE_BASE_1,
4168   EL_SP_HARDWARE_BASE_2,
4169   EL_SP_HARDWARE_BASE_3,
4170   EL_SP_HARDWARE_BASE_4,
4171
4172   EL_SP_HARDWARE_BASE_5,
4173   EL_SP_HARDWARE_BASE_6,
4174   EL_SP_HARDWARE_YELLOW,
4175   EL_SP_CHIP_TOP,
4176
4177   EL_SP_CHIP_SINGLE,
4178   EL_SP_CHIP_LEFT,
4179   EL_SP_CHIP_RIGHT,
4180   EL_SP_CHIP_BOTTOM,
4181 };
4182 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
4183 static int *editor_el_supaplex_ptr = editor_el_supaplex;
4184 static int num_editor_hl_supaplex = SIZEOF_ARRAY_INT(editor_hl_supaplex);
4185 static int num_editor_el_supaplex = SIZEOF_ARRAY_INT(editor_el_supaplex);
4186
4187 static int editor_hl_diamond_caves[] =
4188 {
4189   EL_INTERNAL_CASCADE_DC_ACTIVE,
4190   EL_CHAR('D'),
4191   EL_CHAR('C'),
4192   EL_CHAR('2'),
4193 };
4194
4195 static int editor_el_diamond_caves[] =
4196 {
4197   EL_PEARL,
4198   EL_CRYSTAL,
4199   EL_WALL_PEARL,
4200   EL_WALL_CRYSTAL,
4201
4202   EL_CONVEYOR_BELT_1_LEFT,
4203   EL_CONVEYOR_BELT_1_MIDDLE,
4204   EL_CONVEYOR_BELT_1_RIGHT,
4205   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
4206
4207   EL_CONVEYOR_BELT_2_LEFT,
4208   EL_CONVEYOR_BELT_2_MIDDLE,
4209   EL_CONVEYOR_BELT_2_RIGHT,
4210   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
4211
4212   EL_CONVEYOR_BELT_3_LEFT,
4213   EL_CONVEYOR_BELT_3_MIDDLE,
4214   EL_CONVEYOR_BELT_3_RIGHT,
4215   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
4216
4217   EL_CONVEYOR_BELT_4_LEFT,
4218   EL_CONVEYOR_BELT_4_MIDDLE,
4219   EL_CONVEYOR_BELT_4_RIGHT,
4220   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
4221
4222   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
4223   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
4224   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
4225   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
4226
4227   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
4228   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
4229   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
4230   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
4231
4232   EL_TIMEGATE_CLOSED,
4233   EL_TIMEGATE_OPEN,
4234   EL_TIMEGATE_SWITCH,
4235   EL_DC_TIMEGATE_SWITCH,
4236
4237   EL_SWITCHGATE_CLOSED,
4238   EL_SWITCHGATE_OPEN,
4239   EL_SWITCHGATE_SWITCH_UP,
4240   EL_SWITCHGATE_SWITCH_DOWN,
4241
4242   EL_LIGHT_SWITCH,
4243   EL_LIGHT_SWITCH_ACTIVE,
4244   EL_DC_SWITCHGATE_SWITCH_UP,
4245   EL_DC_SWITCHGATE_SWITCH_DOWN,
4246
4247   EL_STEEL_EXIT_CLOSED,
4248   EL_STEEL_EXIT_OPEN,
4249   EL_STEELWALL_SLIPPERY,
4250   EL_INVISIBLE_SAND,
4251
4252   EL_QUICKSAND_FAST_EMPTY,
4253   EL_QUICKSAND_FAST_FULL,
4254   EL_LANDMINE,
4255   EL_DC_LANDMINE,
4256
4257   EL_SHIELD_NORMAL,
4258   EL_SHIELD_DEADLY,
4259   EL_EXTRA_TIME,
4260   EL_DC_MAGIC_WALL,
4261
4262   EL_ENVELOPE_1,
4263   EL_ENVELOPE_2,
4264   EL_ENVELOPE_3,
4265   EL_ENVELOPE_4,
4266
4267   EL_SIGN_RADIOACTIVITY,
4268   EL_SIGN_WHEELCHAIR,
4269   EL_SIGN_PARKING,
4270   EL_SIGN_NO_ENTRY,
4271
4272   EL_SIGN_GIVE_WAY,
4273   EL_SIGN_ENTRY_FORBIDDEN,
4274   EL_SIGN_EMERGENCY_EXIT,
4275   EL_SIGN_YIN_YANG,
4276
4277 #if 0
4278   EL_SIGN_SPERMS,
4279   EL_SIGN_BULLET,
4280   EL_SIGN_HEART,
4281   EL_SIGN_CROSS,
4282
4283   EL_SIGN_FRANKIE,
4284   EL_EMPTY,
4285   EL_EMPTY,
4286   EL_EMPTY,
4287
4288   EL_SPERMS,
4289   EL_BULLET,
4290   EL_HEART,
4291   EL_CROSS,
4292
4293   EL_FRANKIE,
4294   EL_EMPTY,
4295   EL_EMPTY,
4296   EL_EMPTY,
4297 #endif
4298
4299   EL_DC_STEELWALL_2_SINGLE,
4300   EL_DC_STEELWALL_2_TOP,
4301   EL_SIGN_EXCLAMATION,
4302   EL_SIGN_STOP,
4303
4304   EL_DC_STEELWALL_2_LEFT,
4305   EL_DC_STEELWALL_2_MIDDLE,
4306   EL_DC_STEELWALL_2_HORIZONTAL,
4307   EL_DC_STEELWALL_2_RIGHT,
4308
4309   EL_DC_STEELWALL_1_TOPLEFT,
4310   EL_DC_STEELWALL_2_VERTICAL,
4311   EL_DC_STEELWALL_1_TOPRIGHT,
4312   EL_DC_GATE_WHITE,
4313
4314   EL_DC_STEELWALL_1_VERTICAL,
4315   EL_DC_STEELWALL_2_BOTTOM,
4316   EL_DC_KEY_WHITE,
4317   EL_DC_GATE_WHITE_GRAY,
4318
4319   EL_DC_STEELWALL_1_BOTTOMLEFT,
4320   EL_DC_STEELWALL_1_HORIZONTAL,
4321   EL_DC_STEELWALL_1_BOTTOMRIGHT,
4322   EL_DC_GATE_FAKE_GRAY,
4323
4324   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
4325   EL_DC_STEELWALL_1_BOTTOM,
4326   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
4327   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
4328
4329   EL_DC_STEELWALL_1_RIGHT,
4330   EL_EMPTY,
4331   EL_DC_STEELWALL_1_LEFT,
4332   EL_EXPANDABLE_STEELWALL_VERTICAL,
4333
4334   EL_DC_STEELWALL_1_TOPRIGHT_2,
4335   EL_DC_STEELWALL_1_TOP,
4336   EL_DC_STEELWALL_1_TOPLEFT_2,
4337   EL_EXPANDABLE_STEELWALL_ANY,
4338 };
4339 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
4340 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
4341 static int num_editor_hl_diamond_caves = SIZEOF_ARRAY_INT(editor_hl_diamond_caves);
4342 static int num_editor_el_diamond_caves = SIZEOF_ARRAY_INT(editor_el_diamond_caves);
4343
4344 static int editor_hl_dx_boulderdash[] =
4345 {
4346   EL_INTERNAL_CASCADE_DX_ACTIVE,
4347   EL_CHAR('D'),
4348   EL_CHAR('X'),
4349   EL_EMPTY,
4350 };
4351
4352 static int editor_el_dx_boulderdash[] =
4353 {
4354   EL_EMPTY,
4355   EL_TUBE_RIGHT_DOWN,
4356   EL_TUBE_HORIZONTAL_DOWN,
4357   EL_TUBE_LEFT_DOWN,
4358
4359   EL_TUBE_HORIZONTAL,
4360   EL_TUBE_VERTICAL_RIGHT,
4361   EL_TUBE_ANY,
4362   EL_TUBE_VERTICAL_LEFT,
4363
4364   EL_TUBE_VERTICAL,
4365   EL_TUBE_RIGHT_UP,
4366   EL_TUBE_HORIZONTAL_UP,
4367   EL_TUBE_LEFT_UP,
4368
4369   EL_TRAP,
4370   EL_DX_SUPABOMB,
4371   EL_EMPTY,
4372   EL_EMPTY
4373 };
4374 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
4375 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
4376 static int num_editor_hl_dx_boulderdash = SIZEOF_ARRAY_INT(editor_hl_dx_boulderdash);
4377 static int num_editor_el_dx_boulderdash = SIZEOF_ARRAY_INT(editor_el_dx_boulderdash);
4378
4379 static int editor_hl_mirror_magic[] =
4380 {
4381   EL_INTERNAL_CASCADE_MM_ACTIVE,
4382   EL_CHAR('M'),
4383   EL_CHAR('M'),
4384   EL_EMPTY,
4385 };
4386
4387 static int editor_el_mirror_magic[] =
4388 {
4389   EL_MM_MCDUFFIN_RIGHT,
4390   EL_MM_MCDUFFIN_UP,
4391   EL_MM_MCDUFFIN_LEFT,
4392   EL_MM_MCDUFFIN_DOWN,
4393
4394   EL_MM_MIRROR_START,
4395   EL_MM_MIRROR_FIXED_START,
4396   EL_MM_POLARISATOR_START,
4397   EL_MM_POLARISATOR_CROSS_START,
4398
4399   EL_MM_BEAMER_RED_START,
4400   EL_MM_BEAMER_YELLOW_START,
4401   EL_MM_BEAMER_GREEN_START,
4402   EL_MM_BEAMER_BLUE_START,
4403
4404   EL_MM_PRISM,
4405   EL_MM_FUSE_ACTIVE,
4406   EL_MM_PACMAN_RIGHT,
4407   EL_MM_EXIT_CLOSED,
4408
4409   EL_MM_KETTLE,
4410   EL_MM_BOMB,
4411   EL_MM_KEY,
4412   EL_MM_FUEL_FULL,
4413
4414   EL_MM_LIGHTBULB,
4415   EL_MM_LIGHTBULB_ACTIVE,
4416   EL_MM_GRAY_BALL,
4417   EL_MM_LIGHTBALL,
4418
4419   EL_MM_STEEL_WALL,
4420   EL_MM_WOODEN_WALL,
4421   EL_MM_ICE_WALL,
4422   EL_MM_AMOEBA_WALL,
4423
4424   EL_MM_STEEL_LOCK,
4425   EL_MM_WOODEN_LOCK,
4426   EL_MM_STEEL_BLOCK,
4427   EL_MM_WOODEN_BLOCK,
4428
4429   EL_MM_STEEL_GRID_FIXED_1,
4430   EL_MM_STEEL_GRID_FIXED_2,
4431   EL_MM_STEEL_GRID_FIXED_3,
4432   EL_MM_STEEL_GRID_FIXED_4,
4433
4434   EL_MM_WOODEN_GRID_FIXED_1,
4435   EL_MM_WOODEN_GRID_FIXED_2,
4436   EL_MM_WOODEN_GRID_FIXED_3,
4437   EL_MM_WOODEN_GRID_FIXED_4
4438 };
4439 static int *editor_hl_mirror_magic_ptr = editor_hl_mirror_magic;
4440 static int *editor_el_mirror_magic_ptr = editor_el_mirror_magic;
4441 static int num_editor_hl_mirror_magic = SIZEOF_ARRAY_INT(editor_hl_mirror_magic);
4442 static int num_editor_el_mirror_magic = SIZEOF_ARRAY_INT(editor_el_mirror_magic);
4443
4444 static int editor_hl_deflektor[] =
4445 {
4446   EL_INTERNAL_CASCADE_DF_ACTIVE,
4447   EL_CHAR('D'),
4448   EL_CHAR('F'),
4449   EL_EMPTY,
4450 };
4451
4452 static int editor_el_deflektor[] =
4453 {
4454   EL_DF_LASER_RIGHT,
4455   EL_DF_LASER_UP,
4456   EL_DF_LASER_LEFT,
4457   EL_DF_LASER_DOWN,
4458
4459   EL_DF_RECEIVER_RIGHT,
4460   EL_DF_RECEIVER_UP,
4461   EL_DF_RECEIVER_LEFT,
4462   EL_DF_RECEIVER_DOWN,
4463
4464   EL_DF_MIRROR_START,
4465   EL_DF_MIRROR_ROTATING_START,
4466   EL_DF_CELL,
4467   EL_DF_MINE,
4468
4469   EL_DF_FIBRE_OPTIC_RED_1,
4470   EL_DF_FIBRE_OPTIC_YELLOW_1,
4471   EL_DF_FIBRE_OPTIC_GREEN_1,
4472   EL_DF_FIBRE_OPTIC_BLUE_1,
4473
4474   EL_DF_STEEL_GRID_FIXED_START,
4475   EL_DF_STEEL_GRID_ROTATING_START,
4476   EL_DF_WOODEN_GRID_FIXED_START,
4477   EL_DF_WOODEN_GRID_ROTATING_START,
4478
4479   EL_DF_STEEL_WALL,
4480   EL_DF_WOODEN_WALL,
4481   EL_DF_REFRACTOR,
4482   EL_EMPTY
4483 };
4484 static int *editor_hl_deflektor_ptr = editor_hl_deflektor;
4485 static int *editor_el_deflektor_ptr = editor_el_deflektor;
4486 static int num_editor_hl_deflektor = SIZEOF_ARRAY_INT(editor_hl_deflektor);
4487 static int num_editor_el_deflektor = SIZEOF_ARRAY_INT(editor_el_deflektor);
4488
4489 static int editor_hl_chars[] =
4490 {
4491   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
4492   EL_CHAR('T'),
4493   EL_CHAR('X'),
4494   EL_CHAR('T'),
4495 };
4496
4497 static int editor_el_chars[] =
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(','),
4515   EL_CHAR('-'),
4516   EL_CHAR('.'),
4517   EL_CHAR('/'),
4518
4519   EL_CHAR('0'),
4520   EL_CHAR('1'),
4521   EL_CHAR('2'),
4522   EL_CHAR('3'),
4523
4524   EL_CHAR('4'),
4525   EL_CHAR('5'),
4526   EL_CHAR('6'),
4527   EL_CHAR('7'),
4528
4529   EL_CHAR('8'),
4530   EL_CHAR('9'),
4531   EL_CHAR(':'),
4532   EL_CHAR(';'),
4533
4534   EL_CHAR('<'),
4535   EL_CHAR('='),
4536   EL_CHAR('>'),
4537   EL_CHAR('?'),
4538
4539   EL_CHAR('@'),
4540   EL_CHAR('A'),
4541   EL_CHAR('B'),
4542   EL_CHAR('C'),
4543
4544   EL_CHAR('D'),
4545   EL_CHAR('E'),
4546   EL_CHAR('F'),
4547   EL_CHAR('G'),
4548
4549   EL_CHAR('H'),
4550   EL_CHAR('I'),
4551   EL_CHAR('J'),
4552   EL_CHAR('K'),
4553
4554   EL_CHAR('L'),
4555   EL_CHAR('M'),
4556   EL_CHAR('N'),
4557   EL_CHAR('O'),
4558
4559   EL_CHAR('P'),
4560   EL_CHAR('Q'),
4561   EL_CHAR('R'),
4562   EL_CHAR('S'),
4563
4564   EL_CHAR('T'),
4565   EL_CHAR('U'),
4566   EL_CHAR('V'),
4567   EL_CHAR('W'),
4568
4569   EL_CHAR('X'),
4570   EL_CHAR('Y'),
4571   EL_CHAR('Z'),
4572   EL_CHAR('['),
4573
4574   EL_CHAR('\\'),
4575   EL_CHAR(']'),
4576   EL_CHAR('^'),
4577   EL_CHAR('_'),
4578
4579   EL_CHAR(CHAR_BYTE_COPYRIGHT),
4580   EL_CHAR(CHAR_BYTE_UMLAUT_A),
4581   EL_CHAR(CHAR_BYTE_UMLAUT_O),
4582   EL_CHAR(CHAR_BYTE_UMLAUT_U),
4583
4584   EL_CHAR(CHAR_BYTE_DEGREE),
4585   EL_CHAR(CHAR_BYTE_REGISTERED),
4586   EL_CHAR(FONT_ASCII_CURSOR),
4587   EL_CHAR(FONT_ASCII_BUTTON),
4588
4589   EL_CHAR(FONT_ASCII_UP),
4590   EL_CHAR(FONT_ASCII_DOWN),
4591   EL_CHAR(' '),
4592   EL_CHAR(' ')
4593 };
4594 static int *editor_hl_chars_ptr = editor_hl_chars;
4595 static int *editor_el_chars_ptr = editor_el_chars;
4596 static int num_editor_hl_chars = SIZEOF_ARRAY_INT(editor_hl_chars);
4597 static int num_editor_el_chars = SIZEOF_ARRAY_INT(editor_el_chars);
4598
4599 static int editor_hl_steel_chars[] =
4600 {
4601   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
4602   EL_STEEL_CHAR('T'),
4603   EL_STEEL_CHAR('X'),
4604   EL_STEEL_CHAR('T'),
4605 };
4606
4607 static int editor_el_steel_chars[] =
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(','),
4625   EL_STEEL_CHAR('-'),
4626   EL_STEEL_CHAR('.'),
4627   EL_STEEL_CHAR('/'),
4628
4629   EL_STEEL_CHAR('0'),
4630   EL_STEEL_CHAR('1'),
4631   EL_STEEL_CHAR('2'),
4632   EL_STEEL_CHAR('3'),
4633
4634   EL_STEEL_CHAR('4'),
4635   EL_STEEL_CHAR('5'),
4636   EL_STEEL_CHAR('6'),
4637   EL_STEEL_CHAR('7'),
4638
4639   EL_STEEL_CHAR('8'),
4640   EL_STEEL_CHAR('9'),
4641   EL_STEEL_CHAR(':'),
4642   EL_STEEL_CHAR(';'),
4643
4644   EL_STEEL_CHAR('<'),
4645   EL_STEEL_CHAR('='),
4646   EL_STEEL_CHAR('>'),
4647   EL_STEEL_CHAR('?'),
4648
4649   EL_STEEL_CHAR('@'),
4650   EL_STEEL_CHAR('A'),
4651   EL_STEEL_CHAR('B'),
4652   EL_STEEL_CHAR('C'),
4653
4654   EL_STEEL_CHAR('D'),
4655   EL_STEEL_CHAR('E'),
4656   EL_STEEL_CHAR('F'),
4657   EL_STEEL_CHAR('G'),
4658
4659   EL_STEEL_CHAR('H'),
4660   EL_STEEL_CHAR('I'),
4661   EL_STEEL_CHAR('J'),
4662   EL_STEEL_CHAR('K'),
4663
4664   EL_STEEL_CHAR('L'),
4665   EL_STEEL_CHAR('M'),
4666   EL_STEEL_CHAR('N'),
4667   EL_STEEL_CHAR('O'),
4668
4669   EL_STEEL_CHAR('P'),
4670   EL_STEEL_CHAR('Q'),
4671   EL_STEEL_CHAR('R'),
4672   EL_STEEL_CHAR('S'),
4673
4674   EL_STEEL_CHAR('T'),
4675   EL_STEEL_CHAR('U'),
4676   EL_STEEL_CHAR('V'),
4677   EL_STEEL_CHAR('W'),
4678
4679   EL_STEEL_CHAR('X'),
4680   EL_STEEL_CHAR('Y'),
4681   EL_STEEL_CHAR('Z'),
4682   EL_STEEL_CHAR('['),
4683
4684   EL_STEEL_CHAR('\\'),
4685   EL_STEEL_CHAR(']'),
4686   EL_STEEL_CHAR('^'),
4687   EL_STEEL_CHAR('_'),
4688
4689   EL_STEEL_CHAR(CHAR_BYTE_COPYRIGHT),
4690   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_A),
4691   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_O),
4692   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_U),
4693
4694   EL_STEEL_CHAR(CHAR_BYTE_DEGREE),
4695   EL_STEEL_CHAR(CHAR_BYTE_REGISTERED),
4696   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
4697   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
4698
4699   EL_STEEL_CHAR(FONT_ASCII_UP),
4700   EL_STEEL_CHAR(FONT_ASCII_DOWN),
4701   EL_STEEL_CHAR(' '),
4702   EL_STEEL_CHAR(' ')
4703 };
4704 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
4705 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
4706 static int num_editor_hl_steel_chars = SIZEOF_ARRAY_INT(editor_hl_steel_chars);
4707 static int num_editor_el_steel_chars = SIZEOF_ARRAY_INT(editor_el_steel_chars);
4708
4709 static int editor_hl_custom[] =
4710 {
4711   EL_INTERNAL_CASCADE_CE_ACTIVE,
4712   EL_CHAR('C'),
4713   EL_CHAR('E'),
4714   EL_EMPTY,
4715 };
4716
4717 static int editor_el_custom[] =
4718 {
4719   EL_CUSTOM_START + 0,
4720   EL_CUSTOM_START + 1,
4721   EL_CUSTOM_START + 2,
4722   EL_CUSTOM_START + 3,
4723
4724   EL_CUSTOM_START + 4,
4725   EL_CUSTOM_START + 5,
4726   EL_CUSTOM_START + 6,
4727   EL_CUSTOM_START + 7,
4728
4729   EL_CUSTOM_START + 8,
4730   EL_CUSTOM_START + 9,
4731   EL_CUSTOM_START + 10,
4732   EL_CUSTOM_START + 11,
4733
4734   EL_CUSTOM_START + 12,
4735   EL_CUSTOM_START + 13,
4736   EL_CUSTOM_START + 14,
4737   EL_CUSTOM_START + 15,
4738
4739   EL_CUSTOM_START + 16,
4740   EL_CUSTOM_START + 17,
4741   EL_CUSTOM_START + 18,
4742   EL_CUSTOM_START + 19,
4743
4744   EL_CUSTOM_START + 20,
4745   EL_CUSTOM_START + 21,
4746   EL_CUSTOM_START + 22,
4747   EL_CUSTOM_START + 23,
4748
4749   EL_CUSTOM_START + 24,
4750   EL_CUSTOM_START + 25,
4751   EL_CUSTOM_START + 26,
4752   EL_CUSTOM_START + 27,
4753
4754   EL_CUSTOM_START + 28,
4755   EL_CUSTOM_START + 29,
4756   EL_CUSTOM_START + 30,
4757   EL_CUSTOM_START + 31,
4758
4759   EL_CUSTOM_START + 32,
4760   EL_CUSTOM_START + 33,
4761   EL_CUSTOM_START + 34,
4762   EL_CUSTOM_START + 35,
4763
4764   EL_CUSTOM_START + 36,
4765   EL_CUSTOM_START + 37,
4766   EL_CUSTOM_START + 38,
4767   EL_CUSTOM_START + 39,
4768
4769   EL_CUSTOM_START + 40,
4770   EL_CUSTOM_START + 41,
4771   EL_CUSTOM_START + 42,
4772   EL_CUSTOM_START + 43,
4773
4774   EL_CUSTOM_START + 44,
4775   EL_CUSTOM_START + 45,
4776   EL_CUSTOM_START + 46,
4777   EL_CUSTOM_START + 47,
4778
4779   EL_CUSTOM_START + 48,
4780   EL_CUSTOM_START + 49,
4781   EL_CUSTOM_START + 50,
4782   EL_CUSTOM_START + 51,
4783
4784   EL_CUSTOM_START + 52,
4785   EL_CUSTOM_START + 53,
4786   EL_CUSTOM_START + 54,
4787   EL_CUSTOM_START + 55,
4788
4789   EL_CUSTOM_START + 56,
4790   EL_CUSTOM_START + 57,
4791   EL_CUSTOM_START + 58,
4792   EL_CUSTOM_START + 59,
4793
4794   EL_CUSTOM_START + 60,
4795   EL_CUSTOM_START + 61,
4796   EL_CUSTOM_START + 62,
4797   EL_CUSTOM_START + 63,
4798
4799   EL_CUSTOM_START + 64,
4800   EL_CUSTOM_START + 65,
4801   EL_CUSTOM_START + 66,
4802   EL_CUSTOM_START + 67,
4803
4804   EL_CUSTOM_START + 68,
4805   EL_CUSTOM_START + 69,
4806   EL_CUSTOM_START + 70,
4807   EL_CUSTOM_START + 71,
4808
4809   EL_CUSTOM_START + 72,
4810   EL_CUSTOM_START + 73,
4811   EL_CUSTOM_START + 74,
4812   EL_CUSTOM_START + 75,
4813
4814   EL_CUSTOM_START + 76,
4815   EL_CUSTOM_START + 77,
4816   EL_CUSTOM_START + 78,
4817   EL_CUSTOM_START + 79,
4818
4819   EL_CUSTOM_START + 80,
4820   EL_CUSTOM_START + 81,
4821   EL_CUSTOM_START + 82,
4822   EL_CUSTOM_START + 83,
4823
4824   EL_CUSTOM_START + 84,
4825   EL_CUSTOM_START + 85,
4826   EL_CUSTOM_START + 86,
4827   EL_CUSTOM_START + 87,
4828
4829   EL_CUSTOM_START + 88,
4830   EL_CUSTOM_START + 89,
4831   EL_CUSTOM_START + 90,
4832   EL_CUSTOM_START + 91,
4833
4834   EL_CUSTOM_START + 92,
4835   EL_CUSTOM_START + 93,
4836   EL_CUSTOM_START + 94,
4837   EL_CUSTOM_START + 95,
4838
4839   EL_CUSTOM_START + 96,
4840   EL_CUSTOM_START + 97,
4841   EL_CUSTOM_START + 98,
4842   EL_CUSTOM_START + 99,
4843
4844   EL_CUSTOM_START + 100,
4845   EL_CUSTOM_START + 101,
4846   EL_CUSTOM_START + 102,
4847   EL_CUSTOM_START + 103,
4848
4849   EL_CUSTOM_START + 104,
4850   EL_CUSTOM_START + 105,
4851   EL_CUSTOM_START + 106,
4852   EL_CUSTOM_START + 107,
4853
4854   EL_CUSTOM_START + 108,
4855   EL_CUSTOM_START + 109,
4856   EL_CUSTOM_START + 110,
4857   EL_CUSTOM_START + 111,
4858
4859   EL_CUSTOM_START + 112,
4860   EL_CUSTOM_START + 113,
4861   EL_CUSTOM_START + 114,
4862   EL_CUSTOM_START + 115,
4863
4864   EL_CUSTOM_START + 116,
4865   EL_CUSTOM_START + 117,
4866   EL_CUSTOM_START + 118,
4867   EL_CUSTOM_START + 119,
4868
4869   EL_CUSTOM_START + 120,
4870   EL_CUSTOM_START + 121,
4871   EL_CUSTOM_START + 122,
4872   EL_CUSTOM_START + 123,
4873
4874   EL_CUSTOM_START + 124,
4875   EL_CUSTOM_START + 125,
4876   EL_CUSTOM_START + 126,
4877   EL_CUSTOM_START + 127,
4878
4879   EL_CUSTOM_START + 128,
4880   EL_CUSTOM_START + 129,
4881   EL_CUSTOM_START + 130,
4882   EL_CUSTOM_START + 131,
4883
4884   EL_CUSTOM_START + 132,
4885   EL_CUSTOM_START + 133,
4886   EL_CUSTOM_START + 134,
4887   EL_CUSTOM_START + 135,
4888
4889   EL_CUSTOM_START + 136,
4890   EL_CUSTOM_START + 137,
4891   EL_CUSTOM_START + 138,
4892   EL_CUSTOM_START + 139,
4893
4894   EL_CUSTOM_START + 140,
4895   EL_CUSTOM_START + 141,
4896   EL_CUSTOM_START + 142,
4897   EL_CUSTOM_START + 143,
4898
4899   EL_CUSTOM_START + 144,
4900   EL_CUSTOM_START + 145,
4901   EL_CUSTOM_START + 146,
4902   EL_CUSTOM_START + 147,
4903
4904   EL_CUSTOM_START + 148,
4905   EL_CUSTOM_START + 149,
4906   EL_CUSTOM_START + 150,
4907   EL_CUSTOM_START + 151,
4908
4909   EL_CUSTOM_START + 152,
4910   EL_CUSTOM_START + 153,
4911   EL_CUSTOM_START + 154,
4912   EL_CUSTOM_START + 155,
4913
4914   EL_CUSTOM_START + 156,
4915   EL_CUSTOM_START + 157,
4916   EL_CUSTOM_START + 158,
4917   EL_CUSTOM_START + 159,
4918
4919   EL_CUSTOM_START + 160,
4920   EL_CUSTOM_START + 161,
4921   EL_CUSTOM_START + 162,
4922   EL_CUSTOM_START + 163,
4923
4924   EL_CUSTOM_START + 164,
4925   EL_CUSTOM_START + 165,
4926   EL_CUSTOM_START + 166,
4927   EL_CUSTOM_START + 167,
4928
4929   EL_CUSTOM_START + 168,
4930   EL_CUSTOM_START + 169,
4931   EL_CUSTOM_START + 170,
4932   EL_CUSTOM_START + 171,
4933
4934   EL_CUSTOM_START + 172,
4935   EL_CUSTOM_START + 173,
4936   EL_CUSTOM_START + 174,
4937   EL_CUSTOM_START + 175,
4938
4939   EL_CUSTOM_START + 176,
4940   EL_CUSTOM_START + 177,
4941   EL_CUSTOM_START + 178,
4942   EL_CUSTOM_START + 179,
4943
4944   EL_CUSTOM_START + 180,
4945   EL_CUSTOM_START + 181,
4946   EL_CUSTOM_START + 182,
4947   EL_CUSTOM_START + 183,
4948
4949   EL_CUSTOM_START + 184,
4950   EL_CUSTOM_START + 185,
4951   EL_CUSTOM_START + 186,
4952   EL_CUSTOM_START + 187,
4953
4954   EL_CUSTOM_START + 188,
4955   EL_CUSTOM_START + 189,
4956   EL_CUSTOM_START + 190,
4957   EL_CUSTOM_START + 191,
4958
4959   EL_CUSTOM_START + 192,
4960   EL_CUSTOM_START + 193,
4961   EL_CUSTOM_START + 194,
4962   EL_CUSTOM_START + 195,
4963
4964   EL_CUSTOM_START + 196,
4965   EL_CUSTOM_START + 197,
4966   EL_CUSTOM_START + 198,
4967   EL_CUSTOM_START + 199,
4968
4969   EL_CUSTOM_START + 200,
4970   EL_CUSTOM_START + 201,
4971   EL_CUSTOM_START + 202,
4972   EL_CUSTOM_START + 203,
4973
4974   EL_CUSTOM_START + 204,
4975   EL_CUSTOM_START + 205,
4976   EL_CUSTOM_START + 206,
4977   EL_CUSTOM_START + 207,
4978
4979   EL_CUSTOM_START + 208,
4980   EL_CUSTOM_START + 209,
4981   EL_CUSTOM_START + 210,
4982   EL_CUSTOM_START + 211,
4983
4984   EL_CUSTOM_START + 212,
4985   EL_CUSTOM_START + 213,
4986   EL_CUSTOM_START + 214,
4987   EL_CUSTOM_START + 215,
4988
4989   EL_CUSTOM_START + 216,
4990   EL_CUSTOM_START + 217,
4991   EL_CUSTOM_START + 218,
4992   EL_CUSTOM_START + 219,
4993
4994   EL_CUSTOM_START + 220,
4995   EL_CUSTOM_START + 221,
4996   EL_CUSTOM_START + 222,
4997   EL_CUSTOM_START + 223,
4998
4999   EL_CUSTOM_START + 224,
5000   EL_CUSTOM_START + 225,
5001   EL_CUSTOM_START + 226,
5002   EL_CUSTOM_START + 227,
5003
5004   EL_CUSTOM_START + 228,
5005   EL_CUSTOM_START + 229,
5006   EL_CUSTOM_START + 230,
5007   EL_CUSTOM_START + 231,
5008
5009   EL_CUSTOM_START + 232,
5010   EL_CUSTOM_START + 233,
5011   EL_CUSTOM_START + 234,
5012   EL_CUSTOM_START + 235,
5013
5014   EL_CUSTOM_START + 236,
5015   EL_CUSTOM_START + 237,
5016   EL_CUSTOM_START + 238,
5017   EL_CUSTOM_START + 239,
5018
5019   EL_CUSTOM_START + 240,
5020   EL_CUSTOM_START + 241,
5021   EL_CUSTOM_START + 242,
5022   EL_CUSTOM_START + 243,
5023
5024   EL_CUSTOM_START + 244,
5025   EL_CUSTOM_START + 245,
5026   EL_CUSTOM_START + 246,
5027   EL_CUSTOM_START + 247,
5028
5029   EL_CUSTOM_START + 248,
5030   EL_CUSTOM_START + 249,
5031   EL_CUSTOM_START + 250,
5032   EL_CUSTOM_START + 251,
5033
5034   EL_CUSTOM_START + 252,
5035   EL_CUSTOM_START + 253,
5036   EL_CUSTOM_START + 254,
5037   EL_CUSTOM_START + 255
5038 };
5039 static int *editor_hl_custom_ptr = editor_hl_custom;
5040 static int *editor_el_custom_ptr = editor_el_custom;
5041 static int num_editor_hl_custom = SIZEOF_ARRAY_INT(editor_hl_custom);
5042 static int num_editor_el_custom = SIZEOF_ARRAY_INT(editor_el_custom);
5043
5044 static int editor_hl_group[] =
5045 {
5046   EL_INTERNAL_CASCADE_GE_ACTIVE,
5047   EL_CHAR('G'),
5048   EL_CHAR('E'),
5049   EL_EMPTY,
5050 };
5051
5052 static int editor_el_group[] =
5053 {
5054   EL_GROUP_START + 0,
5055   EL_GROUP_START + 1,
5056   EL_GROUP_START + 2,
5057   EL_GROUP_START + 3,
5058
5059   EL_GROUP_START + 4,
5060   EL_GROUP_START + 5,
5061   EL_GROUP_START + 6,
5062   EL_GROUP_START + 7,
5063
5064   EL_GROUP_START + 8,
5065   EL_GROUP_START + 9,
5066   EL_GROUP_START + 10,
5067   EL_GROUP_START + 11,
5068
5069   EL_GROUP_START + 12,
5070   EL_GROUP_START + 13,
5071   EL_GROUP_START + 14,
5072   EL_GROUP_START + 15,
5073
5074   EL_GROUP_START + 16,
5075   EL_GROUP_START + 17,
5076   EL_GROUP_START + 18,
5077   EL_GROUP_START + 19,
5078
5079   EL_GROUP_START + 20,
5080   EL_GROUP_START + 21,
5081   EL_GROUP_START + 22,
5082   EL_GROUP_START + 23,
5083
5084   EL_GROUP_START + 24,
5085   EL_GROUP_START + 25,
5086   EL_GROUP_START + 26,
5087   EL_GROUP_START + 27,
5088
5089   EL_GROUP_START + 28,
5090   EL_GROUP_START + 29,
5091   EL_GROUP_START + 30,
5092   EL_GROUP_START + 31
5093 };
5094 static int *editor_hl_group_ptr = editor_hl_group;
5095 static int *editor_el_group_ptr = editor_el_group;
5096 static int num_editor_hl_group = SIZEOF_ARRAY_INT(editor_hl_group);
5097 static int num_editor_el_group = SIZEOF_ARRAY_INT(editor_el_group);
5098
5099 static int editor_hl_reference[] =
5100 {
5101   EL_INTERNAL_CASCADE_REF_ACTIVE,
5102   EL_CHAR('R'),
5103   EL_CHAR('E'),
5104   EL_CHAR('F')
5105 };
5106
5107 static int editor_el_reference[] =
5108 {
5109   EL_TRIGGER_PLAYER,
5110   EL_TRIGGER_ELEMENT,
5111   EL_TRIGGER_CE_VALUE,
5112   EL_TRIGGER_CE_SCORE,
5113
5114   EL_SELF,
5115   EL_ANY_ELEMENT,
5116   EL_CURRENT_CE_VALUE,
5117   EL_CURRENT_CE_SCORE,
5118
5119   EL_PREV_CE_8,
5120   EL_PREV_CE_7,
5121   EL_PREV_CE_6,
5122   EL_PREV_CE_5,
5123
5124   EL_PREV_CE_4,
5125   EL_PREV_CE_3,
5126   EL_PREV_CE_2,
5127   EL_PREV_CE_1,
5128
5129   EL_NEXT_CE_1,
5130   EL_NEXT_CE_2,
5131   EL_NEXT_CE_3,
5132   EL_NEXT_CE_4,
5133
5134   EL_NEXT_CE_5,
5135   EL_NEXT_CE_6,
5136   EL_NEXT_CE_7,
5137   EL_NEXT_CE_8,
5138 };
5139 static int *editor_hl_reference_ptr = editor_hl_reference;
5140 static int *editor_el_reference_ptr = editor_el_reference;
5141 static int num_editor_hl_reference = SIZEOF_ARRAY_INT(editor_hl_reference);
5142 static int num_editor_el_reference = SIZEOF_ARRAY_INT(editor_el_reference);
5143
5144 static int editor_hl_user_defined[] =
5145 {
5146   EL_INTERNAL_CASCADE_USER_ACTIVE,
5147   EL_CHAR('M'),
5148   EL_CHAR('Y'),
5149   EL_EMPTY,
5150 };
5151
5152 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
5153 static int *editor_el_user_defined_ptr = NULL;
5154 static int num_editor_hl_user_defined=SIZEOF_ARRAY_INT(editor_hl_user_defined);
5155 static int num_editor_el_user_defined = 0;
5156
5157 static int editor_hl_dynamic[] =
5158 {
5159   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
5160   EL_CHAR('U'),
5161   EL_CHAR('S'),
5162   EL_CHAR('E'),
5163 };
5164
5165 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
5166 static int *editor_el_dynamic_ptr = NULL;
5167 static int num_editor_hl_dynamic = SIZEOF_ARRAY_INT(editor_hl_dynamic);
5168 static int num_editor_el_dynamic = 0;
5169
5170 static int editor_hl_empty[] = { EL_EMPTY };
5171 static int *editor_el_empty = NULL;     /* dynamically allocated */
5172
5173 static int *editor_hl_empty_ptr = editor_hl_empty;
5174 static int *editor_el_empty_ptr = NULL;
5175 static int num_editor_hl_empty = 0;
5176 static int num_editor_el_empty = 0;     /* dynamically determined, if needed */
5177
5178 static boolean use_el_empty = FALSE;
5179
5180 static int *editor_elements = NULL;     /* dynamically allocated */
5181 static int num_editor_elements = 0;     /* dynamically determined */
5182
5183 static boolean setup_editor_cascade_never = FALSE;
5184
5185 static boolean setup_editor_el_players                  = TRUE;
5186 static boolean setup_editor_el_boulderdash              = TRUE;
5187 static boolean setup_editor_el_emerald_mine             = TRUE;
5188 static boolean setup_editor_el_emerald_mine_club        = TRUE;
5189 static boolean setup_editor_el_more                     = TRUE;
5190 static boolean setup_editor_el_sokoban                  = TRUE;
5191 static boolean setup_editor_el_supaplex                 = TRUE;
5192 static boolean setup_editor_el_diamond_caves            = TRUE;
5193 static boolean setup_editor_el_dx_boulderdash           = TRUE;
5194 static boolean setup_editor_el_mirror_magic             = TRUE;
5195 static boolean setup_editor_el_deflektor                = TRUE;
5196 static boolean setup_editor_el_chars                    = TRUE;
5197 static boolean setup_editor_el_steel_chars              = TRUE;
5198 static boolean setup_editor_el_custom                   = TRUE;
5199 static boolean setup_editor_el_user_defined             = TRUE;
5200 static boolean setup_editor_el_dynamic                  = TRUE;
5201
5202 static int editor_hl_unused[] = { EL_EMPTY };
5203 static int *editor_hl_unused_ptr = editor_hl_unused;
5204 static int num_editor_hl_unused = 0;
5205
5206 static struct
5207 {
5208   boolean *setup_value;
5209   boolean *setup_cascade_value;
5210
5211   int **headline_list;
5212   int *headline_list_size;
5213
5214   int **element_list;
5215   int *element_list_size;
5216
5217   boolean last_setup_value;
5218 }
5219 editor_elements_info[] =
5220 {
5221   {
5222     &setup_editor_el_players,
5223     &setup_editor_cascade_never,
5224     &editor_hl_unused_ptr,              &num_editor_hl_unused,
5225     &editor_el_players_ptr,             &num_editor_el_players
5226   },
5227   {
5228     &setup_editor_el_boulderdash,
5229     &setup.editor_cascade.el_bd,
5230     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
5231     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
5232   },
5233   {
5234     &setup_editor_el_emerald_mine,
5235     &setup.editor_cascade.el_em,
5236     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
5237     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
5238   },
5239   {
5240     &setup_editor_el_emerald_mine_club,
5241     &setup.editor_cascade.el_emc,
5242     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
5243     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
5244   },
5245   {
5246     &setup_editor_el_more,
5247     &setup.editor_cascade.el_rnd,
5248     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
5249     &editor_el_rnd_ptr,                 &num_editor_el_rnd
5250   },
5251   {
5252     &setup_editor_el_sokoban,
5253     &setup.editor_cascade.el_sb,
5254     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
5255     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
5256   },
5257   {
5258     &setup_editor_el_supaplex,
5259     &setup.editor_cascade.el_sp,
5260     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
5261     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
5262   },
5263   {
5264     &setup_editor_el_diamond_caves,
5265     &setup.editor_cascade.el_dc,
5266     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
5267     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
5268   },
5269   {
5270     &setup_editor_el_dx_boulderdash,
5271     &setup.editor_cascade.el_dx,
5272     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
5273     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
5274   },
5275   {
5276     &setup_editor_el_mirror_magic,
5277     &setup.editor_cascade.el_mm,
5278     &editor_hl_mirror_magic_ptr,        &num_editor_hl_mirror_magic,
5279     &editor_el_mirror_magic_ptr,        &num_editor_el_mirror_magic
5280   },
5281   {
5282     &setup_editor_el_deflektor,
5283     &setup.editor_cascade.el_df,
5284     &editor_hl_deflektor_ptr,           &num_editor_hl_deflektor,
5285     &editor_el_deflektor_ptr,           &num_editor_el_deflektor
5286   },
5287   {
5288     &setup_editor_el_chars,
5289     &setup.editor_cascade.el_chars,
5290     &editor_hl_chars_ptr,               &num_editor_hl_chars,
5291     &editor_el_chars_ptr,               &num_editor_el_chars
5292   },
5293   {
5294     &setup_editor_el_steel_chars,
5295     &setup.editor_cascade.el_steel_chars,
5296     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
5297     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
5298   },
5299   {
5300     &setup_editor_el_custom,
5301     &setup.editor_cascade.el_ce,
5302     &editor_hl_custom_ptr,              &num_editor_hl_custom,
5303     &editor_el_custom_ptr,              &num_editor_el_custom
5304   },
5305   {
5306     &setup_editor_el_custom,
5307     &setup.editor_cascade.el_ge,
5308     &editor_hl_group_ptr,               &num_editor_hl_group,
5309     &editor_el_group_ptr,               &num_editor_el_group
5310   },
5311   {
5312     &setup_editor_el_custom,
5313     &setup.editor_cascade.el_ref,
5314     &editor_hl_reference_ptr,           &num_editor_hl_reference,
5315     &editor_el_reference_ptr,           &num_editor_el_reference
5316   },
5317   {
5318     &setup_editor_el_user_defined,
5319     &setup.editor_cascade.el_user,
5320     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
5321     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
5322   },
5323   {
5324     &setup_editor_el_dynamic,
5325     &setup.editor_cascade.el_dynamic,
5326     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
5327     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
5328   },
5329   {
5330     &use_el_empty,
5331     &use_el_empty,
5332     &editor_hl_empty_ptr,               &num_editor_hl_empty,
5333     &editor_el_empty_ptr,               &num_editor_el_empty,
5334   },
5335   {
5336     NULL,
5337     NULL,
5338     NULL,                               NULL,
5339     NULL,                               NULL
5340   }
5341 };
5342
5343
5344 /*
5345   -----------------------------------------------------------------------------
5346   functions
5347   -----------------------------------------------------------------------------
5348 */
5349
5350 static int getMaxInfoTextLength()
5351 {
5352   return (SXSIZE / getFontWidth(INFOTEXT_FONT));
5353 }
5354
5355 static int getTextWidthForGadget(char *text)
5356 {
5357   if (text == NULL)
5358     return 0;
5359
5360   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
5361 }
5362
5363 static int getTextWidthForDrawingArea(char *text)
5364 {
5365   if (text == NULL)
5366     return 0;
5367
5368   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_TEXT_DISTANCE);
5369 }
5370
5371 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
5372 {
5373   return (gi->x + gi->width + getTextWidthForGadget(text));
5374 }
5375
5376 static char *getElementInfoText(int element)
5377 {
5378   char *info_text = NULL;
5379
5380   if (element < MAX_NUM_ELEMENTS)
5381   {
5382     if (strlen(element_info[element].description) > 0)
5383       info_text = element_info[element].description;
5384     else if (element_info[element].custom_description != NULL)
5385       info_text = element_info[element].custom_description;
5386     else if (element_info[element].editor_description != NULL)
5387       info_text = element_info[element].editor_description;
5388   }
5389
5390   if (info_text == NULL)
5391     info_text = INFOTEXT_UNKNOWN_ELEMENT;
5392
5393   return info_text;
5394 }
5395
5396 static char *getElementDescriptionFilenameExt(char *basename)
5397 {
5398   char *elements_subdir = "elements";
5399   static char *elements_subdir2 = NULL;
5400   static char *filename = NULL;
5401
5402   if (elements_subdir2 == NULL)
5403     elements_subdir2 = getPath2(DOCS_DIRECTORY, elements_subdir);
5404
5405   checked_free(filename);
5406
5407   /* 1st try: look for element description in current level set directory */
5408   filename = getPath3(getCurrentLevelDir(), elements_subdir2, basename);
5409   if (fileExists(filename))
5410     return filename;
5411
5412   free(filename);
5413
5414   /* 2nd try: look for element description in the game's base directory */
5415   filename = getPath3(options.docs_directory, elements_subdir, basename);
5416   if (fileExists(filename))
5417     return filename;
5418
5419   return NULL;
5420 }
5421
5422 char *getElementDescriptionFilename(int element)
5423 {
5424   char basename[MAX_FILENAME_LEN];
5425   char *filename;
5426
5427   /* 1st try: look for element description file for exactly this element */
5428   sprintf(basename, "%s.txt", element_info[element].token_name);
5429   filename = getElementDescriptionFilenameExt(basename);
5430   if (filename != NULL)
5431     return filename;
5432
5433   /* 2nd try: look for element description file for this element's class */
5434   sprintf(basename, "%s.txt", element_info[element].class_name);
5435   filename = getElementDescriptionFilenameExt(basename);
5436   if (filename != NULL)
5437     return filename;
5438
5439   return NULL;
5440 }
5441
5442 static boolean suppressBorderElement()
5443 {
5444   return (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
5445           lev_fieldx <= MAX_ED_FIELDX &&
5446           lev_fieldy <= MAX_ED_FIELDY);
5447 }
5448
5449 static void InitDynamicEditorElementList(int **elements, int *num_elements)
5450 {
5451   boolean element_found[NUM_FILE_ELEMENTS];
5452   int i, x, y;
5453
5454   /* initialize list of used elements to "not used" */
5455   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5456     element_found[i] = FALSE;
5457
5458   /* find all elements used in current level */
5459   for (y = 0; y < lev_fieldy; y++)
5460     for (x = 0; x < lev_fieldx; x++)
5461       if (Feld[x][y] < NUM_FILE_ELEMENTS)       /* should always be true */
5462         element_found[Feld[x][y]] = TRUE;
5463
5464   *num_elements = 0;
5465
5466   /* count number of elements used in current level */
5467   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5468     if (element_found[i])
5469       (*num_elements)++;
5470
5471   /* add space for up to 3 more elements for padding that may be needed */
5472   *num_elements += 3;
5473
5474   /* free memory for old list of elements, if needed */
5475   checked_free(*elements);
5476
5477   /* allocate memory for new list of elements */
5478   *elements = checked_malloc(*num_elements * sizeof(int));
5479
5480   *num_elements = 0;
5481
5482   /* add all elements used in current level (non-custom/group elements) */
5483   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5484     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
5485       (*elements)[(*num_elements)++] = i;
5486
5487   /* add all elements used in current level (custom/group elements) */
5488   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5489     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
5490       (*elements)[(*num_elements)++] = i;
5491
5492   while (*num_elements % 4)     /* pad with empty elements, if needed */
5493     (*elements)[(*num_elements)++] = EL_EMPTY;
5494 }
5495
5496 static void ReinitializeElementList_EnableSections()
5497 {
5498   /* default: enable all element sections */
5499
5500   setup_editor_el_players               = TRUE;
5501   setup_editor_el_boulderdash           = TRUE;
5502   setup_editor_el_emerald_mine          = TRUE;
5503   setup_editor_el_emerald_mine_club     = TRUE;
5504   setup_editor_el_more                  = TRUE;
5505   setup_editor_el_sokoban               = TRUE;
5506   setup_editor_el_supaplex              = TRUE;
5507   setup_editor_el_diamond_caves         = TRUE;
5508   setup_editor_el_dx_boulderdash        = TRUE;
5509   setup_editor_el_mirror_magic          = TRUE;
5510   setup_editor_el_deflektor             = TRUE;
5511   setup_editor_el_chars                 = TRUE;
5512   setup_editor_el_steel_chars           = TRUE;
5513
5514   setup_editor_el_custom                = TRUE;
5515   setup_editor_el_user_defined          = TRUE;
5516   setup_editor_el_dynamic               = TRUE;
5517
5518   /* now disable all element sections not to be displayed */
5519
5520   if (!setup.editor.el_classic)
5521   {
5522     setup_editor_el_players             = FALSE;
5523     setup_editor_el_boulderdash         = FALSE;
5524     setup_editor_el_emerald_mine        = FALSE;
5525     setup_editor_el_emerald_mine_club   = FALSE;
5526     setup_editor_el_more                = FALSE;
5527     setup_editor_el_sokoban             = FALSE;
5528     setup_editor_el_supaplex            = FALSE;
5529     setup_editor_el_diamond_caves       = FALSE;
5530     setup_editor_el_dx_boulderdash      = FALSE;
5531     setup_editor_el_mirror_magic        = FALSE;
5532     setup_editor_el_deflektor           = FALSE;
5533     setup_editor_el_chars               = FALSE;
5534     setup_editor_el_steel_chars         = FALSE;
5535   }
5536
5537   if (!setup.editor.el_custom)
5538   {
5539     setup_editor_el_custom              = FALSE;
5540   }
5541
5542   if (!setup.editor.el_user_defined)
5543   {
5544     setup_editor_el_user_defined        = FALSE;
5545   }
5546
5547   if (!setup.editor.el_dynamic)
5548   {
5549     setup_editor_el_dynamic             = FALSE;
5550   }
5551
5552   if (level.game_engine_type == GAME_ENGINE_TYPE_RND)
5553   {
5554     setup_editor_el_mirror_magic        = FALSE;
5555     setup_editor_el_deflektor           = FALSE;
5556   }
5557   else if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
5558   {
5559     setup_editor_el_boulderdash         = FALSE;
5560     setup_editor_el_more                = FALSE;
5561     setup_editor_el_sokoban             = FALSE;
5562     setup_editor_el_supaplex            = FALSE;
5563     setup_editor_el_diamond_caves       = FALSE;
5564     setup_editor_el_dx_boulderdash      = FALSE;
5565     setup_editor_el_mirror_magic        = FALSE;
5566     setup_editor_el_deflektor           = FALSE;
5567     setup_editor_el_steel_chars         = FALSE;
5568
5569     setup_editor_el_custom              = FALSE;
5570   }
5571   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
5572   {
5573     setup_editor_el_players             = FALSE;
5574     setup_editor_el_boulderdash         = FALSE;
5575     setup_editor_el_emerald_mine        = FALSE;
5576     setup_editor_el_emerald_mine_club   = FALSE;
5577     setup_editor_el_more                = FALSE;
5578     setup_editor_el_sokoban             = FALSE;
5579     setup_editor_el_diamond_caves       = FALSE;
5580     setup_editor_el_dx_boulderdash      = FALSE;
5581     setup_editor_el_mirror_magic        = FALSE;
5582     setup_editor_el_deflektor           = FALSE;
5583     setup_editor_el_chars               = FALSE;
5584     setup_editor_el_steel_chars         = FALSE;
5585
5586     setup_editor_el_custom              = FALSE;
5587   }
5588   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
5589   {
5590     setup_editor_el_players             = FALSE;
5591     setup_editor_el_boulderdash         = FALSE;
5592     setup_editor_el_emerald_mine        = FALSE;
5593     setup_editor_el_emerald_mine_club   = FALSE;
5594     setup_editor_el_more                = FALSE;
5595     setup_editor_el_sokoban             = FALSE;
5596     setup_editor_el_supaplex            = FALSE;
5597     setup_editor_el_diamond_caves       = FALSE;
5598     setup_editor_el_dx_boulderdash      = FALSE;
5599     setup_editor_el_steel_chars         = FALSE;
5600
5601     setup_editor_el_custom              = FALSE;
5602   }
5603 }
5604
5605 static void ReinitializeElementList()
5606 {
5607   static boolean initialization_needed = TRUE;
5608   int pos = 0;
5609   int i, j;
5610
5611   ReinitializeElementList_EnableSections();
5612
5613   if (initialization_needed)
5614   {
5615     LoadSetup_EditorCascade();          /* load last editor cascade state */
5616
5617     /* initialize editor cascade element from saved cascade state */
5618     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5619     {
5620       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
5621       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
5622
5623       if (IS_EDITOR_CASCADE(*cascade_element))
5624         *cascade_element =
5625           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
5626            EL_CASCADE_INACTIVE(*cascade_element));
5627     }
5628
5629     initialization_needed = FALSE;
5630   }
5631
5632   checked_free(editor_elements);
5633
5634   /* reload optional user defined element list for each invocation of editor */
5635   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
5636                                    &num_editor_el_user_defined);
5637
5638   /* initialize dynamic level element list for each invocation of editor */
5639   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
5640                                &num_editor_el_dynamic);
5641
5642   /* initialize list of empty elements (used for padding, if needed) */
5643   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
5644     editor_el_empty[i] = EL_EMPTY;
5645
5646   /* do some sanity checks for each element from element list */
5647   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5648   {
5649     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5650     {
5651       int element = (*editor_elements_info[i].element_list)[j];
5652
5653       if (element >= NUM_FILE_ELEMENTS)
5654         Error(ERR_WARN, "editor element %d is runtime element", element);
5655
5656       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
5657         Error(ERR_WARN, "no element description text for element %d", element);
5658     }
5659   }
5660
5661   num_editor_elements = 0;
5662   use_el_empty = FALSE;
5663
5664   /* determine size of element list */
5665   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5666   {
5667     boolean found_inactive_cascade = FALSE;
5668
5669     if (*editor_elements_info[i].setup_value)
5670     {
5671       if (setup.editor.el_headlines)
5672       {
5673         // required for correct padding of palette headline buttons
5674         if (*editor_elements_info[i].headline_list_size > 0)
5675           num_editor_elements += editor.palette.cols;
5676
5677         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5678         {
5679           int element = (*editor_elements_info[i].headline_list)[j];
5680
5681           if (IS_EDITOR_CASCADE_INACTIVE(element))
5682             found_inactive_cascade = TRUE;
5683         }
5684       }
5685
5686       if (found_inactive_cascade)
5687         continue;
5688
5689       // required for correct padding of palette element buttons
5690       int element_list_size = *editor_elements_info[i].element_list_size;
5691       int element_rows =
5692         (element_list_size + editor.palette.cols - 1) / editor.palette.cols;
5693       int element_buttons = editor.palette.cols * element_rows;
5694
5695       num_editor_elements += element_buttons;
5696     }
5697   }
5698
5699   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
5700   {
5701     /* offer at least as many elements as element buttons exist */
5702     use_el_empty = TRUE;
5703     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
5704
5705     num_editor_elements += num_editor_el_empty;
5706   }
5707   else
5708   {
5709     num_editor_el_empty = 0;
5710   }
5711
5712   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
5713
5714   /* fill element list */
5715   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5716   {
5717     boolean found_inactive_cascade = FALSE;
5718
5719     if (*editor_elements_info[i].setup_value)
5720     {
5721       if (setup.editor.el_headlines)
5722       {
5723         // required for correct padding of palette headline buttons
5724         int headline_size = (*editor_elements_info[i].headline_list_size > 0 ?
5725                              editor.palette.cols : 0);
5726
5727         for (j = 0; j < headline_size; j++)
5728         {
5729           // use empty elements for padding of palette headline buttons
5730           int element = (j < *editor_elements_info[i].headline_list_size ?
5731                          (*editor_elements_info[i].headline_list)[j] :
5732                          editor_el_empty[0]);
5733
5734           editor_elements[pos++] = element;
5735
5736           if (IS_EDITOR_CASCADE_INACTIVE(element))
5737             found_inactive_cascade = TRUE;
5738         }
5739       }
5740
5741       if (found_inactive_cascade)
5742         continue;
5743
5744       // required for correct padding of palette element buttons
5745       int element_list_size = *editor_elements_info[i].element_list_size;
5746       int element_rows =
5747         (element_list_size + editor.palette.cols - 1) / editor.palette.cols;
5748       int element_buttons = editor.palette.cols * element_rows;
5749
5750       // copy all elements from element list
5751       for (j = 0; j < element_list_size; j++)
5752         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
5753
5754       // use empty elements for padding of palette element buttons
5755       for (j = 0; j < element_buttons - element_list_size; j++)
5756         editor_elements[pos++] = editor_el_empty[0];
5757     }
5758   }
5759
5760   /* (this function is also called before editor gadgets are initialized!) */
5761   AdjustElementListScrollbar();
5762 }
5763
5764 void PrintEditorElementList()
5765 {
5766   boolean *stop = &setup_editor_el_user_defined;
5767   int i, j;
5768
5769   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
5770   {
5771     int cascade_element = (*editor_elements_info[i].headline_list)[0];
5772
5773     if (IS_EDITOR_CASCADE(cascade_element))
5774     {
5775       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
5776       char *headline = element_info[cascade_element_show].editor_description;
5777
5778       PrintLineWithPrefix("# ", "-", 77);
5779       Print("# %s\n", headline);
5780       PrintLineWithPrefix("# ", "-", 77);
5781     }
5782
5783     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5784     {
5785       int element = (*editor_elements_info[i].headline_list)[j];
5786
5787       if (IS_EDITOR_CASCADE(element))
5788         element = EL_CHAR_MINUS;
5789
5790       Print("# %s\n", element_info[element].token_name);
5791     }
5792
5793     if (j > 0)
5794       Print("#\n");
5795
5796     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5797     {
5798       int element = (*editor_elements_info[i].element_list)[j];
5799
5800       Print("# %s\n", element_info[element].token_name);
5801     }
5802
5803     if (j > 0)
5804       Print("#\n");
5805   }
5806 }
5807
5808 static void ReinitializeElementListButtons()
5809 {
5810   static boolean last_setup_value_headlines = FALSE;
5811   static boolean initialization_needed = TRUE;
5812   int i;
5813
5814   if (!initialization_needed)   /* check if editor element setup has changed */
5815   {
5816     if (last_setup_value_headlines != setup.editor.el_headlines)
5817       initialization_needed = TRUE;
5818
5819     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5820       if (editor_elements_info[i].last_setup_value !=
5821           *editor_elements_info[i].setup_value)
5822         initialization_needed = TRUE;
5823   }
5824
5825   if (!initialization_needed)
5826     return;
5827
5828   FreeLevelEditorGadgets();
5829   CreateLevelEditorGadgets();
5830
5831   /* store current setup values for next invocation of this function */
5832   last_setup_value_headlines = setup.editor.el_headlines;
5833   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5834     editor_elements_info[i].last_setup_value =
5835       *editor_elements_info[i].setup_value;
5836
5837   initialization_needed = FALSE;
5838 }
5839
5840 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
5841                               boolean input)
5842 {
5843   int border_graphic =
5844     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
5845   struct GraphicInfo *g = &graphic_info[border_graphic];
5846   Bitmap *src_bitmap = g->bitmap;
5847   int src_x = g->src_x;
5848   int src_y = g->src_y;
5849   int border_size = g->border_size;
5850   int border_xpos = g->width  - border_size;
5851   int border_ypos = g->height - border_size;
5852   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
5853   int i;
5854
5855   BlitBitmap(src_bitmap, drawto, src_x, src_y,
5856              border_size, border_size,
5857              dest_x - border_size, dest_y - border_size);
5858   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y,
5859              border_size, border_size,
5860              dest_x + width, dest_y - border_size);
5861   BlitBitmap(src_bitmap, drawto, src_x, src_y + border_ypos,
5862              border_size, border_size,
5863              dest_x - border_size, dest_y + height);
5864   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_ypos,
5865              border_size, border_size,
5866              dest_x + width, dest_y + height);
5867
5868   for (i = 0; i < width / tilesize; i++)
5869   {
5870     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y,
5871                tilesize, border_size,
5872                dest_x + i * tilesize, dest_y - border_size);
5873     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y + border_ypos,
5874                tilesize, border_size,
5875                dest_x + i * tilesize, dest_y + height);
5876   }
5877
5878   for (i = 0; i < height / tilesize; i++)
5879   {
5880     BlitBitmap(src_bitmap, drawto, src_x, src_y + border_size,
5881                border_size, tilesize,
5882                dest_x - border_size, dest_y + i * tilesize);
5883     BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_size,
5884                border_size, tilesize,
5885                dest_x + width, dest_y + i * tilesize);
5886   }
5887
5888   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
5889 }
5890
5891 static void DrawEditorLevelBorderLine(int x, int y, int xsize, int ysize)
5892 {
5893   int xsize_tile = MAX(ed_tilesize, xsize);
5894   int ysize_tile = MAX(ed_tilesize, ysize);
5895   int xsize_full = xsize + 1;
5896   int ysize_full = ysize + 1;
5897   int xsize_thin = (xsize < ed_tilesize ? 1 : xsize);
5898   int ysize_thin = (ysize < ed_tilesize ? 1 : ysize);
5899   Pixel line_color = getTabulatorBarColor();
5900
5901   if (line_color == BLACK_PIXEL)                /* black => transparent */
5902     return;
5903
5904   FillRectangle(drawto, SX + x, SY + y, xsize_tile, ysize_tile, BLACK_PIXEL);
5905   FillRectangle(drawto, SX + x, SY + y, xsize_full, ysize_full, line_color);
5906   FillRectangle(drawto, SX + x, SY + y, xsize_thin, ysize_thin, BLACK_PIXEL);
5907 }
5908
5909 static void DrawEditorLevelBorderLinesIfNeeded()
5910 {
5911   int xsize = lev_fieldx * ed_tilesize;
5912   int ysize = lev_fieldy * ed_tilesize;
5913   int line_size = getTabulatorBarHeight();
5914
5915   if (!suppressBorderElement())
5916     return;
5917
5918   /* draw little border line around editable level playfield */
5919
5920   if (xsize < SXSIZE)
5921     DrawEditorLevelBorderLine(xsize, 0, line_size, ysize);
5922
5923   if (ysize < SYSIZE)
5924     DrawEditorLevelBorderLine(0, ysize, xsize, line_size);
5925
5926   if (xsize < SXSIZE && ysize < SYSIZE)
5927     DrawEditorLevelBorderLine(xsize, ysize, line_size, line_size);
5928 }
5929
5930 static void DrawEditorElement(int x, int y, int element)
5931 {
5932   DrawSizedElement(x, y, element, ed_tilesize);
5933 }
5934
5935 static void DrawEditorElementThruMask(int x, int y, int element)
5936 {
5937   DrawSizedElementThruMask(x, y, element, ed_tilesize);
5938 }
5939
5940 static void DrawEditorElementOrWall(int x, int y, int scroll_x, int scroll_y)
5941 {
5942   DrawSizedElementOrWall(x, y, scroll_x, scroll_y, ed_tilesize);
5943 }
5944
5945 static void DrawEditorLevel(int size_x, int size_y, int scroll_x, int scroll_y)
5946 {
5947   DrawSizedLevel(size_x, size_y, scroll_x, scroll_y, ed_tilesize);
5948   DrawEditorLevelBorderLinesIfNeeded();
5949 }
5950
5951 static void DrawDrawingArea(int id)
5952 {
5953   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
5954   int x, y;
5955
5956   int *value = drawingarea_info[id].value;
5957   int area_xsize = drawingarea_info[id].area_xsize;
5958   int area_ysize = drawingarea_info[id].area_ysize;
5959   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
5960
5961   for (x = 0; x < area_xsize; x++)
5962     for (y = 0; y < area_ysize; y++)
5963       DrawSizedGraphicExt(drawto,
5964                           gi->x + x * tilesize,
5965                           gi->y + y * tilesize,
5966                           el2edimg(value[x * area_ysize + y]), 0, tilesize);
5967 }
5968
5969 static void ScrollEditorLevel(int from_x, int from_y, int scroll)
5970 {
5971   int x, y;
5972   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
5973   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
5974
5975   BlitBitmap(drawto, drawto,
5976              SX + (dx == -1 ? ed_tilesize : 0),
5977              SY + (dy == -1 ? ed_tilesize : 0),
5978              (ed_fieldx * ed_tilesize) - (dx != 0 ? ed_tilesize : 0),
5979              (ed_fieldy * ed_tilesize) - (dy != 0 ? ed_tilesize : 0),
5980              SX + (dx == +1 ? ed_tilesize : 0),
5981              SY + (dy == +1 ? ed_tilesize : 0));
5982
5983   if (dx)
5984   {
5985     x = (dx == 1 ? 0 : ed_fieldx - 1);
5986     for (y = 0; y < ed_fieldy; y++)
5987       DrawEditorElementOrWall(x, y, from_x, from_y);
5988   }
5989   else if (dy)
5990   {
5991     y = (dy == 1 ? 0 : ed_fieldy - 1);
5992     for (x = 0; x < ed_fieldx; x++)
5993       DrawEditorElementOrWall(x, y, from_x, from_y);
5994   }
5995
5996   redraw_mask |= REDRAW_FIELD;
5997   BackToFront();
5998 }
5999
6000 void getEditorGraphicSource(int element, int tile_size, Bitmap **bitmap,
6001                             int *x, int *y)
6002 {
6003   getSizedGraphicSource(el2edimg(element), 0, tile_size, bitmap, x, y);
6004 }
6005
6006 static void CreateControlButtons()
6007 {
6008   struct GadgetInfo *gi;
6009   int i;
6010
6011   /* create toolbox buttons */
6012   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
6013   {
6014     int id = controlbutton_info[i].gadget_id;
6015     int type = controlbutton_info[i].gadget_type;
6016     int graphic = controlbutton_info[i].graphic;
6017     struct XYTileSize *pos = controlbutton_info[i].pos;
6018     struct GraphicInfo *gd = &graphic_info[graphic];
6019     Bitmap *deco_bitmap = NULL;
6020     int deco_x = 0, deco_y = 0, deco_xpos = 0, deco_ypos = 0;
6021     int tile_size = 0, deco_shift = 0;
6022     boolean deco_masked = FALSE;
6023     int gd_x1 = gd->src_x;
6024     int gd_y1 = gd->src_y;
6025     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6026     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6027     int gd_x1a = gd->src_x + gd->active_xoffset;
6028     int gd_y1a = gd->src_y + gd->active_yoffset;
6029     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
6030     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
6031     int x = pos->x;
6032     int y = pos->y;
6033     unsigned int event_mask;
6034     int radio_button_nr = RADIO_NR_NONE;
6035     boolean checked = FALSE;
6036
6037     if (type == GD_TYPE_RADIO_BUTTON)
6038     {
6039       event_mask = GD_EVENT_PRESSED;
6040       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
6041
6042       if (id == drawing_function)
6043         checked = TRUE;
6044     }
6045     else
6046     {
6047       if (id == GADGET_ID_WRAP_LEFT ||
6048           id == GADGET_ID_WRAP_RIGHT ||
6049           id == GADGET_ID_WRAP_UP ||
6050           id == GADGET_ID_WRAP_DOWN)
6051         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6052       else
6053         event_mask = GD_EVENT_RELEASED;
6054     }
6055
6056     if (id == GADGET_ID_PROPERTIES ||
6057         id == GADGET_ID_PALETTE)
6058     {
6059       x += DX;
6060       y += DY;
6061     }
6062     else if (id == GADGET_ID_ELEMENT_LEFT ||
6063              id == GADGET_ID_ELEMENT_MIDDLE ||
6064              id == GADGET_ID_ELEMENT_RIGHT)
6065     {
6066       x += DX;
6067       y += DY;
6068
6069       int element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
6070                      id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
6071                      id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 : EL_EMPTY);
6072
6073       tile_size = BUTTON_TILE_SIZE(id == GADGET_ID_ELEMENT_LEFT ?
6074                                    editor.button.element_left.tile_size :
6075                                    id == GADGET_ID_ELEMENT_MIDDLE ?
6076                                    editor.button.element_middle.tile_size :
6077                                    id == GADGET_ID_ELEMENT_RIGHT ?
6078                                    editor.button.element_right.tile_size : 0);
6079
6080       // make sure that decoration does not overlap gadget border
6081       tile_size = MIN(tile_size, MIN(gd->width, gd->height));
6082
6083       getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x,&deco_y);
6084
6085       deco_xpos = (gd->width  - tile_size) / 2;
6086       deco_ypos = (gd->height - tile_size) / 2;
6087       deco_shift = 1;
6088       deco_masked = gd->draw_masked;
6089     }
6090     else
6091     {
6092       x += EX;
6093       y += EY;
6094     }
6095
6096     gi = CreateGadget(GDI_CUSTOM_ID, id,
6097                       GDI_CUSTOM_TYPE_ID, i,
6098                       GDI_INFO_TEXT, controlbutton_info[i].infotext,
6099                       GDI_X, x,
6100                       GDI_Y, y,
6101                       GDI_WIDTH, gd->width,
6102                       GDI_HEIGHT, gd->height,
6103                       GDI_TYPE, type,
6104                       GDI_STATE, GD_BUTTON_UNPRESSED,
6105                       GDI_RADIO_NR, radio_button_nr,
6106                       GDI_CHECKED, checked,
6107                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6108                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6109                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6110                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
6111                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
6112                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
6113                       GDI_DECORATION_SIZE, tile_size, tile_size,
6114                       GDI_DECORATION_SHIFTING, deco_shift, deco_shift,
6115                       GDI_DECORATION_MASKED, deco_masked,
6116                       GDI_EVENT_MASK, event_mask,
6117                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6118                       GDI_CALLBACK_ACTION, HandleControlButtons,
6119                       GDI_END);
6120
6121     if (gi == NULL)
6122       Error(ERR_EXIT, "cannot create gadget");
6123
6124     level_editor_gadget[id] = gi;
6125   }
6126
6127   /* these values are not constant, but can change at runtime */
6128   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
6129   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
6130   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
6131   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
6132   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
6133   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
6134   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
6135   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
6136   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].x    = ED_SCROLL2_UP_XPOS;
6137   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].y    = ED_SCROLL2_UP_YPOS;
6138   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].x  = ED_SCROLL2_DOWN_XPOS;
6139   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].y  = ED_SCROLL2_DOWN_YPOS;
6140
6141   /* create buttons for scrolling of drawing area and element list */
6142   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
6143   {
6144     int id = scrollbutton_info[i].gadget_id;
6145     int graphic = scrollbutton_info[i].graphic;
6146     struct GraphicInfo *gd = &graphic_info[graphic];
6147     Bitmap *gd_bitmap = gd->bitmap;
6148     int gd_x1 = gd->src_x;
6149     int gd_y1 = gd->src_y;
6150     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6151     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6152     int width  = gd->width;
6153     int height = gd->height;
6154     int x = scrollbutton_pos[i].x;
6155     int y = scrollbutton_pos[i].y;
6156     unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6157
6158     if (id == GADGET_ID_SCROLL_LIST_UP ||
6159         id == GADGET_ID_SCROLL_LIST_DOWN)
6160     {
6161       x += PX;
6162       y += PY;
6163     }
6164     else
6165     {
6166       x += SX;
6167       y += SY;
6168     }
6169
6170     gi = CreateGadget(GDI_CUSTOM_ID, id,
6171                       GDI_CUSTOM_TYPE_ID, i,
6172                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
6173                       GDI_X, x,
6174                       GDI_Y, y,
6175                       GDI_WIDTH, width,
6176                       GDI_HEIGHT, height,
6177                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6178                       GDI_STATE, GD_BUTTON_UNPRESSED,
6179                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6180                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
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   /* create buttons for element list */
6193   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
6194   {
6195     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
6196     int graphic = IMG_EDITOR_PALETTE_BUTTON;
6197     struct GraphicInfo *gd = &graphic_info[graphic];
6198     Bitmap *gd_bitmap = gd->bitmap;
6199     Bitmap *deco_bitmap;
6200     int deco_x, deco_y, deco_xpos, deco_ypos;
6201     int gd_x1 = gd->src_x;
6202     int gd_y1 = gd->src_y;
6203     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6204     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6205     int xx = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
6206     int yy = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
6207     int x = PX + ED_ELEMENTLIST_XPOS + xx * gd->width;
6208     int y = PY + ED_ELEMENTLIST_YPOS + yy * gd->height;
6209     int element = editor_elements[i];
6210     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
6211     unsigned int event_mask = GD_EVENT_RELEASED;
6212
6213     getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
6214
6215     deco_xpos = (gd->width  - tile_size) / 2;
6216     deco_ypos = (gd->height - tile_size) / 2;
6217
6218     gi = CreateGadget(GDI_CUSTOM_ID, id,
6219                       GDI_CUSTOM_TYPE_ID, i,
6220                       GDI_INFO_TEXT, getElementInfoText(element),
6221                       GDI_X, x,
6222                       GDI_Y, y,
6223                       GDI_WIDTH, gd->width,
6224                       GDI_HEIGHT, gd->height,
6225                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6226                       GDI_STATE, GD_BUTTON_UNPRESSED,
6227                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6228                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6229                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
6230                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
6231                       GDI_DECORATION_SIZE, tile_size, tile_size,
6232                       GDI_DECORATION_SHIFTING, 1, 1,
6233                       GDI_EVENT_MASK, event_mask,
6234                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6235                       GDI_CALLBACK_ACTION, HandleControlButtons,
6236                       GDI_END);
6237
6238     if (gi == NULL)
6239       Error(ERR_EXIT, "cannot create gadget");
6240
6241     level_editor_gadget[id] = gi;
6242   }
6243 }
6244
6245 static void CreateCounterButtons()
6246 {
6247   int max_infotext_len = getMaxInfoTextLength();
6248   int i;
6249
6250   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
6251   {
6252     int j;
6253     int x = SX + ED_SETTINGS_X(counterbutton_info[i].x); /* down count button */
6254     int y = SY + ED_SETTINGS_Y(counterbutton_info[i].y);
6255
6256     /* determine horizontal position to the right of specified gadget */
6257     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6258       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
6259            ED_GADGET_TEXT_DISTANCE);
6260
6261     /* determine horizontal offset for leading text */
6262     if (counterbutton_info[i].text_left != NULL)
6263       x += getTextWidthForGadget(counterbutton_info[i].text_left);
6264
6265     for (j = 0; j < 2; j++)
6266     {
6267       struct GadgetInfo *gi;
6268       int id = (j == 0 ?
6269                 counterbutton_info[i].gadget_id_down :
6270                 counterbutton_info[i].gadget_id_up);
6271       int graphic;
6272       struct GraphicInfo *gd;
6273       int gd_x1, gd_x2, gd_y1, gd_y2;
6274       unsigned int event_mask;
6275       char infotext[max_infotext_len + 1];
6276
6277       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6278
6279       if (i == ED_COUNTER_ID_SELECT_LEVEL)
6280       {
6281         graphic = (j == 0 ?
6282                    IMG_GFX_EDITOR_BUTTON_PREV_LEVEL :
6283                    IMG_GFX_EDITOR_BUTTON_NEXT_LEVEL);
6284
6285         event_mask |= GD_EVENT_RELEASED;
6286
6287         if (j == 0)
6288         {
6289           x = DX + editor.button.prev_level.x;
6290           y = DY + editor.button.prev_level.y;
6291         }
6292         else
6293         {
6294           x = DX + editor.button.next_level.x;
6295           y = DY + editor.button.next_level.y;
6296         }
6297       }
6298       else
6299       {
6300         graphic = (j == 0 ?
6301                    IMG_EDITOR_COUNTER_DOWN :
6302                    IMG_EDITOR_COUNTER_UP);
6303       }
6304
6305       gd = &graphic_info[graphic];
6306
6307       gd_x1 = gd->src_x;
6308       gd_y1 = gd->src_y;
6309       gd_x2 = gd->src_x + gd->pressed_xoffset;
6310       gd_y2 = gd->src_y + gd->pressed_yoffset;
6311
6312       sprintf(infotext, "%s counter value by 1, 5 or 10",
6313               (j == 0 ? "decrease" : "increase"));
6314
6315       gi = CreateGadget(GDI_CUSTOM_ID, id,
6316                         GDI_CUSTOM_TYPE_ID, i,
6317                         GDI_INFO_TEXT, infotext,
6318                         GDI_X, x,
6319                         GDI_Y, y,
6320                         GDI_WIDTH, gd->width,
6321                         GDI_HEIGHT, gd->height,
6322                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6323                         GDI_STATE, GD_BUTTON_UNPRESSED,
6324                         GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6325                         GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6326                         GDI_EVENT_MASK, event_mask,
6327                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6328                         GDI_CALLBACK_ACTION, HandleCounterButtons,
6329                         GDI_END);
6330
6331       if (gi == NULL)
6332         Error(ERR_EXIT, "cannot create gadget");
6333
6334       level_editor_gadget[id] = gi;
6335       right_gadget_border[id] =
6336         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
6337
6338       x += gi->width + ED_GADGET_SMALL_DISTANCE;        /* text count button */
6339
6340       if (j == 0)
6341       {
6342         int font_type = FONT_INPUT_1;
6343         int font_type_active = FONT_INPUT_1_ACTIVE;
6344
6345         id = counterbutton_info[i].gadget_id_text;
6346
6347         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6348
6349         if (i == ED_COUNTER_ID_SELECT_LEVEL)
6350         {
6351           graphic = IMG_GFX_EDITOR_INPUT_LEVEL_NUMBER;
6352
6353           font_type = FONT_LEVEL_NUMBER;
6354           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
6355
6356           x = DX + editor.input.level_number.x;
6357           y = DY + editor.input.level_number.y;
6358         }
6359         else
6360         {
6361           graphic = IMG_EDITOR_COUNTER_INPUT;
6362         }
6363
6364         gd = &graphic_info[graphic];
6365
6366         gd_x1 = gd->src_x;
6367         gd_y1 = gd->src_y;
6368         gd_x2 = gd->src_x + gd->active_xoffset;
6369         gd_y2 = gd->src_y + gd->active_yoffset;
6370
6371         gi = CreateGadget(GDI_CUSTOM_ID, id,
6372                           GDI_CUSTOM_TYPE_ID, i,
6373                           GDI_INFO_TEXT, "enter counter value",
6374                           GDI_X, x,
6375                           GDI_Y, y,
6376                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
6377                           GDI_NUMBER_VALUE, 0,
6378                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
6379                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
6380                           GDI_TEXT_SIZE, 3,     /* minimal counter text size */
6381                           GDI_TEXT_FONT, font_type,
6382                           GDI_TEXT_FONT_ACTIVE, font_type_active,
6383                           GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6384                           GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6385                           GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6386                           GDI_DESIGN_WIDTH, gd->width,
6387                           GDI_EVENT_MASK, event_mask,
6388                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6389                           GDI_CALLBACK_ACTION, HandleCounterButtons,
6390                           GDI_END);
6391
6392         if (gi == NULL)
6393           Error(ERR_EXIT, "cannot create gadget");
6394
6395         level_editor_gadget[id] = gi;
6396         right_gadget_border[id] =
6397           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
6398
6399         x += gi->width + ED_GADGET_SMALL_DISTANCE;      /* up count button */
6400       }
6401     }
6402   }
6403 }
6404
6405 static void CreateDrawingAreas()
6406 {
6407   int i;
6408
6409   /* these values are not constant, but can change at runtime */
6410   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
6411   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
6412
6413   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
6414   {
6415     struct GadgetInfo *gi;
6416     unsigned int event_mask;
6417     int id = drawingarea_info[i].gadget_id;
6418     int x = SX + ED_AREA_SETTINGS_X(drawingarea_info[i]);
6419     int y = SY + ED_AREA_SETTINGS_Y(drawingarea_info[i]);
6420     int area_xsize = drawingarea_info[i].area_xsize;
6421     int area_ysize = drawingarea_info[i].area_ysize;
6422     int item_size = (id == GADGET_ID_DRAWING_LEVEL ?
6423                      ed_tilesize : ED_DRAWINGAREA_TILE_SIZE);
6424
6425     event_mask =
6426       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
6427       GD_EVENT_OFF_BORDERS | GD_EVENT_PIXEL_PRECISE;
6428
6429     /* determine horizontal position to the right of specified gadget */
6430     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
6431       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
6432            ED_DRAWINGAREA_TEXT_DISTANCE);
6433
6434     /* determine horizontal offset for leading text */
6435     if (drawingarea_info[i].text_left != NULL)
6436       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
6437
6438     gi = CreateGadget(GDI_CUSTOM_ID, id,
6439                       GDI_CUSTOM_TYPE_ID, i,
6440                       GDI_X, x,
6441                       GDI_Y, y,
6442                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
6443                       GDI_AREA_SIZE, area_xsize, area_ysize,
6444                       GDI_ITEM_SIZE, item_size, item_size,
6445                       GDI_EVENT_MASK, event_mask,
6446                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
6447                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
6448                       GDI_END);
6449
6450     if (gi == NULL)
6451       Error(ERR_EXIT, "cannot create gadget");
6452
6453     level_editor_gadget[id] = gi;
6454     right_gadget_border[id] =
6455       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
6456   }
6457 }
6458
6459 static void CreateTextInputGadgets()
6460 {
6461   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
6462   int max_infotext_len = getMaxInfoTextLength();
6463   int i;
6464
6465   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
6466   {
6467     int gd_x1 = gd->src_x;
6468     int gd_y1 = gd->src_y;
6469     int gd_x2 = gd->src_x + gd->active_xoffset;
6470     int gd_y2 = gd->src_y + gd->active_yoffset;
6471     struct GadgetInfo *gi;
6472     unsigned int event_mask;
6473     char infotext[MAX_OUTPUT_LINESIZE + 1];
6474     int id = textinput_info[i].gadget_id;
6475     int x, y;
6476
6477     if (i == ED_TEXTINPUT_ID_ELEMENT_NAME)
6478     {
6479       int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
6480       int border_size = gd->border_size;
6481       int font_nr = FONT_INPUT_1;
6482       int font_height = getFontHeight(font_nr);
6483       int xoffset = element_border + TILEX + element_border + 3 * border_size;
6484       int yoffset = element_border + (TILEY - font_height) / 2;
6485
6486       x = (editor.settings.element_name.x != -1 ?
6487            editor.settings.element_name.x :
6488            editor.settings.element_graphic.x + xoffset) - border_size;
6489       y = (editor.settings.element_name.y != -1 ?
6490            editor.settings.element_name.y :
6491            editor.settings.element_graphic.y + yoffset) - border_size;
6492     }
6493     else
6494     {
6495       x = ED_SETTINGS_X(textinput_info[i].x);
6496       y = ED_SETTINGS_Y(textinput_info[i].y);
6497     }
6498
6499     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6500
6501     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
6502     infotext[max_infotext_len] = '\0';
6503
6504     gi = CreateGadget(GDI_CUSTOM_ID, id,
6505                       GDI_CUSTOM_TYPE_ID, i,
6506                       GDI_INFO_TEXT, infotext,
6507                       GDI_X, SX + x,
6508                       GDI_Y, SY + y,
6509                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
6510                       GDI_TEXT_VALUE, textinput_info[i].value,
6511                       GDI_TEXT_SIZE, textinput_info[i].size,
6512                       GDI_TEXT_FONT, FONT_INPUT_1,
6513                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6514                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6515                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6516                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6517                       GDI_DESIGN_WIDTH, gd->width,
6518                       GDI_EVENT_MASK, event_mask,
6519                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6520                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
6521                       GDI_END);
6522
6523     if (gi == NULL)
6524       Error(ERR_EXIT, "cannot create gadget");
6525
6526     level_editor_gadget[id] = gi;
6527   }
6528 }
6529
6530 static void CreateTextAreaGadgets()
6531 {
6532   int max_infotext_len = getMaxInfoTextLength();
6533   int i;
6534
6535   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
6536   {
6537     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXTAREA];
6538     int gd_x1 = gd->src_x;
6539     int gd_y1 = gd->src_y;
6540     int gd_x2 = gd->src_x + gd->active_xoffset;
6541     int gd_y2 = gd->src_y + gd->active_yoffset;
6542     struct GadgetInfo *gi;
6543     unsigned int event_mask;
6544     char infotext[MAX_OUTPUT_LINESIZE + 1];
6545     int id = textarea_info[i].gadget_id;
6546     int area_xsize = textarea_info[i].xsize;
6547     int area_ysize = textarea_info[i].ysize;
6548
6549     event_mask = GD_EVENT_TEXT_LEAVING;
6550
6551     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
6552     infotext[max_infotext_len] = '\0';
6553
6554     gi = CreateGadget(GDI_CUSTOM_ID, id,
6555                       GDI_CUSTOM_TYPE_ID, i,
6556                       GDI_INFO_TEXT, infotext,
6557                       GDI_X, SX + ED_SETTINGS_X(textarea_info[i].x),
6558                       GDI_Y, SY + ED_SETTINGS_Y(textarea_info[i].y),
6559                       GDI_TYPE, GD_TYPE_TEXT_AREA,
6560                       GDI_AREA_SIZE, area_xsize, area_ysize,
6561                       GDI_TEXT_FONT, FONT_INPUT_1,
6562                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6563                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6564                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6565                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6566                       GDI_DESIGN_WIDTH, gd->width,
6567                       GDI_EVENT_MASK, event_mask,
6568                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6569                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
6570                       GDI_END);
6571
6572     if (gi == NULL)
6573       Error(ERR_EXIT, "cannot create gadget");
6574
6575     level_editor_gadget[id] = gi;
6576   }
6577 }
6578
6579 static void CreateSelectboxGadgets()
6580 {
6581   int max_infotext_len = getMaxInfoTextLength();
6582   int i, j;
6583
6584   for (i = 0; i < ED_NUM_SELECTBOX; i++)
6585   {
6586     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_SELECTBOX_INPUT];
6587     struct GraphicInfo *gd2 = &graphic_info[IMG_EDITOR_SELECTBOX_BUTTON];
6588     int gd_x1 = gd->src_x;
6589     int gd_y1 = gd->src_y;
6590     int gd_x2 = gd->src_x + gd->active_xoffset;
6591     int gd_y2 = gd->src_y + gd->active_yoffset;
6592     int selectbox_button_xsize = gd2->width;
6593     struct GadgetInfo *gi;
6594     unsigned int event_mask;
6595     char infotext[MAX_OUTPUT_LINESIZE + 1];
6596     int id = selectbox_info[i].gadget_id;
6597     int x = SX + ED_SETTINGS_X(selectbox_info[i].x);
6598     int y = SY + ED_SETTINGS_Y(selectbox_info[i].y);
6599
6600     if (selectbox_info[i].size == -1)   /* dynamically determine size */
6601     {
6602       /* (we cannot use -1 for uninitialized values if we directly compare
6603          with results from strlen(), because the '<' and '>' operation will
6604          implicitely cast -1 to an unsigned integer value!) */
6605       selectbox_info[i].size = 0;
6606
6607       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
6608         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
6609           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
6610
6611       selectbox_info[i].size++;         /* add one character empty space */
6612     }
6613
6614     event_mask = GD_EVENT_RELEASED |
6615       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6616
6617     /* determine horizontal position to the right of specified gadget */
6618     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
6619       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
6620            ED_GADGET_TEXT_DISTANCE);
6621
6622     /* determine horizontal offset for leading text */
6623     if (selectbox_info[i].text_left != NULL)
6624       x += getTextWidthForGadget(selectbox_info[i].text_left);
6625
6626     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
6627     infotext[max_infotext_len] = '\0';
6628
6629     gi = CreateGadget(GDI_CUSTOM_ID, id,
6630                       GDI_CUSTOM_TYPE_ID, i,
6631                       GDI_INFO_TEXT, infotext,
6632                       GDI_X, x,
6633                       GDI_Y, y,
6634                       GDI_TYPE, GD_TYPE_SELECTBOX,
6635                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
6636                       GDI_SELECTBOX_CHAR_UNSELECTABLE, '[',
6637                       GDI_TEXT_SIZE, selectbox_info[i].size,
6638                       GDI_TEXT_FONT, FONT_INPUT_1,
6639                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6640                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
6641                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6642                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6643                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6644                       GDI_BORDER_SIZE_SELECTBUTTON, selectbox_button_xsize,
6645                       GDI_DESIGN_WIDTH, gd->width,
6646                       GDI_EVENT_MASK, event_mask,
6647                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6648                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
6649                       GDI_END);
6650
6651     if (gi == NULL)
6652       Error(ERR_EXIT, "cannot create gadget");
6653
6654     level_editor_gadget[id] = gi;
6655     right_gadget_border[id] =
6656       getRightGadgetBorder(gi, selectbox_info[i].text_right);
6657   }
6658 }
6659
6660 static void CreateTextbuttonGadgets()
6661 {
6662   int max_infotext_len = getMaxInfoTextLength();
6663   int i;
6664
6665   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
6666   {
6667     int id = textbutton_info[i].gadget_id;
6668     int is_tab_button =
6669       ((id >= GADGET_ID_LEVELINFO_LEVEL && id <= GADGET_ID_LEVELINFO_EDITOR) ||
6670        (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE));
6671     int graphic =
6672       (is_tab_button ? IMG_EDITOR_TABBUTTON : IMG_EDITOR_TEXTBUTTON);
6673     int gadget_distance =
6674       (is_tab_button ? ED_GADGET_SMALL_DISTANCE : ED_GADGET_TEXT_DISTANCE);
6675     struct GraphicInfo *gd = &graphic_info[graphic];
6676     int gd_x1 = gd->src_x;
6677     int gd_y1 = gd->src_y;
6678     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6679     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6680     int gd_x1a = gd->src_x + gd->active_xoffset;
6681     int gd_y1a = gd->src_y + gd->active_yoffset;
6682     int border_xsize = gd->border_size + gd->draw_xoffset;
6683     int border_ysize = gd->border_size;
6684     struct GadgetInfo *gi;
6685     unsigned int event_mask;
6686     char infotext[MAX_OUTPUT_LINESIZE + 1];
6687     int x = SX + ED_SETTINGS_X(textbutton_info[i].x);
6688     int y = SY + ED_SETTINGS_Y(textbutton_info[i].y);
6689
6690     if (textbutton_info[i].size == -1)  /* dynamically determine size */
6691       textbutton_info[i].size = strlen(textbutton_info[i].text);
6692
6693     event_mask = GD_EVENT_RELEASED;
6694
6695     sprintf(infotext, "%s", textbutton_info[i].infotext);
6696     infotext[max_infotext_len] = '\0';
6697
6698     /* determine horizontal position to the right of specified gadget */
6699     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6700     {
6701       int gadget_id_align = textbutton_info[i].gadget_id_align;
6702
6703       x = right_gadget_border[gadget_id_align] + gadget_distance;
6704
6705       if (textbutton_info[i].y == -1)
6706         y = level_editor_gadget[gadget_id_align]->y;
6707     }
6708
6709     /* determine horizontal offset for leading text */
6710     if (textbutton_info[i].text_left != NULL)
6711       x += getTextWidthForGadget(textbutton_info[i].text_left);
6712
6713     gi = CreateGadget(GDI_CUSTOM_ID, id,
6714                       GDI_CUSTOM_TYPE_ID, i,
6715                       GDI_INFO_TEXT, infotext,
6716                       GDI_X, x,
6717                       GDI_Y, y,
6718                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
6719                       GDI_TEXT_VALUE, textbutton_info[i].text,
6720                       GDI_TEXT_SIZE, textbutton_info[i].size,
6721                       GDI_TEXT_FONT, FONT_INPUT_2,
6722                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2_ACTIVE,
6723                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6724                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6725                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6726                       GDI_BORDER_SIZE, border_xsize, border_ysize,
6727                       GDI_DESIGN_WIDTH, gd->width,
6728                       GDI_DECORATION_SHIFTING, 1, 1,
6729                       GDI_EVENT_MASK, event_mask,
6730                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6731                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
6732                       GDI_END);
6733
6734     if (gi == NULL)
6735       Error(ERR_EXIT, "cannot create gadget");
6736
6737     level_editor_gadget[id] = gi;
6738     right_gadget_border[id] =
6739       getRightGadgetBorder(gi, textbutton_info[i].text_right);
6740   }
6741 }
6742
6743 static void CreateGraphicbuttonGadgets()
6744 {
6745   struct GadgetInfo *gi;
6746   unsigned int event_mask;
6747   int i;
6748
6749   /* create buttons for scrolling of drawing area and element list */
6750   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
6751   {
6752     int id = graphicbutton_info[i].gadget_id;
6753     int x = SX + ED_SETTINGS_X(graphicbutton_info[i].x);
6754     int y = SY + ED_SETTINGS_Y(graphicbutton_info[i].y);
6755     struct GraphicInfo *gd = &graphic_info[graphicbutton_info[i].graphic];
6756     int gd_x1 = gd->src_x;
6757     int gd_y1 = gd->src_y;
6758     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6759     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6760
6761     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6762
6763     /* determine horizontal position to the right of specified gadget */
6764     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6765       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
6766            ED_GADGET_TEXT_DISTANCE);
6767
6768     /* determine horizontal offset for leading text */
6769     if (graphicbutton_info[i].text_left != NULL)
6770       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
6771
6772     gi = CreateGadget(GDI_CUSTOM_ID, id,
6773                       GDI_CUSTOM_TYPE_ID, i,
6774                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
6775                       GDI_X, x,
6776                       GDI_Y, y,
6777                       GDI_WIDTH, gd->width,
6778                       GDI_HEIGHT, gd->height,
6779                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6780                       GDI_STATE, GD_BUTTON_UNPRESSED,
6781                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6782                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6783                       GDI_EVENT_MASK, event_mask,
6784                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6785                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
6786                       GDI_END);
6787
6788     if (gi == NULL)
6789       Error(ERR_EXIT, "cannot create gadget");
6790
6791     level_editor_gadget[id] = gi;
6792     right_gadget_border[id] =
6793       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
6794   }
6795 }
6796
6797 static void CreateScrollbarGadgets()
6798 {
6799   int i;
6800
6801   /* these values are not constant, but can change at runtime */
6802   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
6803     SX + ED_SCROLL_HORIZONTAL_XPOS;
6804   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
6805     SY + ED_SCROLL_HORIZONTAL_YPOS;
6806   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
6807     ED_SCROLL_HORIZONTAL_XSIZE;
6808   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
6809     ED_SCROLL_HORIZONTAL_YSIZE;
6810   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
6811   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
6812   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
6813   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
6814
6815   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
6816     SX + ED_SCROLL_VERTICAL_XPOS;
6817   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
6818     SY + ED_SCROLL_VERTICAL_YPOS;
6819   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
6820     ED_SCROLL_VERTICAL_XSIZE;
6821   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
6822     ED_SCROLL_VERTICAL_YSIZE;
6823   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
6824   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
6825   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
6826   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
6827
6828   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
6829     PX + ED_SCROLL2_VERTICAL_XPOS;
6830   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
6831     PY + ED_SCROLL2_VERTICAL_YPOS;
6832   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
6833     ED_SCROLL2_VERTICAL_XSIZE;
6834   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
6835     ED_SCROLL2_VERTICAL_YSIZE;
6836   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = PX;
6837   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = PY;
6838   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = PXSIZE;
6839   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = PYSIZE;
6840
6841   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
6842   {
6843     int id = scrollbar_info[i].gadget_id;
6844     int graphic = scrollbar_info[i].graphic;
6845     struct GraphicInfo *gd = &graphic_info[graphic];
6846     int gd_x1 = gd->src_x;
6847     int gd_y1 = gd->src_y;
6848     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6849     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6850     struct GadgetInfo *gi;
6851     int items_max, items_visible, item_position;
6852     unsigned int event_mask;
6853
6854     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
6855     {
6856       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
6857       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
6858       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
6859     }
6860     else        /* drawing area scrollbars */
6861     {
6862       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
6863       {
6864         items_max = MAX(lev_fieldx + 2, ed_fieldx);
6865         items_visible = ed_fieldx;
6866         item_position = 0;
6867       }
6868       else
6869       {
6870         items_max = MAX(lev_fieldy + 2, ed_fieldy);
6871         items_visible = ed_fieldy;
6872         item_position = 0;
6873       }
6874     }
6875
6876     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
6877
6878     gi = CreateGadget(GDI_CUSTOM_ID, id,
6879                       GDI_CUSTOM_TYPE_ID, i,
6880                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
6881                       GDI_X, scrollbar_pos[i].x,
6882                       GDI_Y, scrollbar_pos[i].y,
6883                       GDI_WIDTH, scrollbar_pos[i].width,
6884                       GDI_HEIGHT, scrollbar_pos[i].height,
6885                       GDI_TYPE, scrollbar_info[i].type,
6886                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
6887                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
6888                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
6889                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
6890                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
6891                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
6892                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
6893                       GDI_STATE, GD_BUTTON_UNPRESSED,
6894                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6895                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6896                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6897                       GDI_EVENT_MASK, event_mask,
6898                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6899                       GDI_CALLBACK_ACTION, HandleControlButtons,
6900                       GDI_END);
6901
6902     if (gi == NULL)
6903       Error(ERR_EXIT, "cannot create gadget");
6904
6905     level_editor_gadget[id] = gi;
6906   }
6907 }
6908
6909 static void CreateCheckbuttonGadgets()
6910 {
6911   struct GadgetInfo *gi;
6912   unsigned int event_mask;
6913   int i;
6914
6915   event_mask = GD_EVENT_PRESSED;
6916
6917   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
6918   {
6919     int id = checkbutton_info[i].gadget_id;
6920     int graphic = (id == GADGET_ID_STICK_ELEMENT ? IMG_EDITOR_STICKYBUTTON :
6921                    IMG_EDITOR_CHECKBOX);
6922     struct GraphicInfo *gd = &graphic_info[graphic];
6923     int gd_x1 = gd->src_x;
6924     int gd_y1 = gd->src_y;
6925     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6926     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6927     int gd_x1a = gd->src_x + gd->active_xoffset;
6928     int gd_y1a = gd->src_y + gd->active_yoffset;
6929     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
6930     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
6931     int x = SX + ED_SETTINGS_X(checkbutton_info[i].x);
6932     int y = SY + ED_SETTINGS_Y(checkbutton_info[i].y);
6933
6934     /* determine horizontal position to the right of specified gadget */
6935     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6936       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
6937            ED_GADGET_TEXT_DISTANCE);
6938
6939     /* determine horizontal offset for leading text */
6940     if (checkbutton_info[i].text_left != NULL)
6941       x += getTextWidthForGadget(checkbutton_info[i].text_left);
6942
6943     gi = CreateGadget(GDI_CUSTOM_ID, id,
6944                       GDI_CUSTOM_TYPE_ID, i,
6945                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
6946                       GDI_X, x,
6947                       GDI_Y, y,
6948                       GDI_WIDTH, gd->width,
6949                       GDI_HEIGHT, gd->height,
6950                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
6951                       GDI_CHECKED, *checkbutton_info[i].value,
6952                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6953                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6954                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6955                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
6956                       GDI_EVENT_MASK, event_mask,
6957                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6958                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
6959                       GDI_END);
6960
6961     if (gi == NULL)
6962       Error(ERR_EXIT, "cannot create gadget");
6963
6964     level_editor_gadget[id] = gi;
6965     right_gadget_border[id] =
6966       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
6967   }
6968 }
6969
6970 static void CreateRadiobuttonGadgets()
6971 {
6972   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_RADIOBUTTON];
6973   int gd_x1 = gd->src_x;
6974   int gd_y1 = gd->src_y;
6975   int gd_x2 = gd->src_x + gd->pressed_xoffset;
6976   int gd_y2 = gd->src_y + gd->pressed_yoffset;
6977   int gd_x1a = gd->src_x + gd->active_xoffset;
6978   int gd_y1a = gd->src_y + gd->active_yoffset;
6979   int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
6980   int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
6981   struct GadgetInfo *gi;
6982   unsigned int event_mask;
6983   int i;
6984
6985   event_mask = GD_EVENT_PRESSED;
6986
6987   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
6988   {
6989     int id = radiobutton_info[i].gadget_id;
6990     int x = SX + ED_SETTINGS_X(radiobutton_info[i].x);
6991     int y = SY + ED_SETTINGS_Y(radiobutton_info[i].y);
6992
6993     int checked =
6994       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
6995
6996     /* determine horizontal position to the right of specified gadget */
6997     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
6998       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
6999            ED_GADGET_TEXT_DISTANCE);
7000
7001     /* determine horizontal offset for leading text */
7002     if (radiobutton_info[i].text_left != NULL)
7003       x += getTextWidthForGadget(radiobutton_info[i].text_left);
7004
7005     gi = CreateGadget(GDI_CUSTOM_ID, id,
7006                       GDI_CUSTOM_TYPE_ID, i,
7007                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
7008                       GDI_X, x,
7009                       GDI_Y, y,
7010                       GDI_WIDTH, gd->width,
7011                       GDI_HEIGHT, gd->height,
7012                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
7013                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
7014                       GDI_CHECKED, checked,
7015                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7016                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7017                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7018                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
7019                       GDI_EVENT_MASK, event_mask,
7020                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7021                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
7022                       GDI_END);
7023
7024     if (gi == NULL)
7025       Error(ERR_EXIT, "cannot create gadget");
7026
7027     level_editor_gadget[id] = gi;
7028     right_gadget_border[id] =
7029       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
7030   }
7031 }
7032
7033 void CreateLevelEditorGadgets()
7034 {
7035   /* force EDITOR font inside level editor */
7036   SetFontStatus(GAME_MODE_EDITOR);
7037
7038   /* these values are not constant, but can change at runtime */
7039   ed_fieldx = MAX_ED_FIELDX - 1;
7040   ed_fieldy = MAX_ED_FIELDY - 1;
7041
7042   num_editor_gadgets = NUM_EDITOR_GADGETS;
7043
7044   // printf("::: allocating %d gadgets ...\n", num_editor_gadgets);
7045
7046   level_editor_gadget =
7047     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
7048   right_gadget_border =
7049     checked_calloc(num_editor_gadgets * sizeof(int));
7050
7051   editor_el_empty = checked_calloc(ED_NUM_ELEMENTLIST_BUTTONS * sizeof(int));
7052   editor_el_empty_ptr = editor_el_empty;
7053
7054   use_permanent_palette = !editor.palette.show_as_separate_screen;
7055
7056   ReinitializeElementList();
7057
7058   CreateControlButtons();
7059   CreateScrollbarGadgets();
7060
7061   /* order of function calls is important because of cross-references */
7062   CreateCheckbuttonGadgets();
7063   CreateCounterButtons();
7064   CreateRadiobuttonGadgets();
7065   CreateTextInputGadgets();
7066   CreateTextAreaGadgets();
7067   CreateSelectboxGadgets();
7068   CreateGraphicbuttonGadgets();
7069   CreateTextbuttonGadgets();
7070   CreateDrawingAreas();
7071
7072   ResetFontStatus();
7073 }
7074
7075 void FreeLevelEditorGadgets()
7076 {
7077   int i;
7078
7079   // printf("::: freeing %d gadgets ...\n", num_editor_gadgets);
7080
7081   for (i = 0; i < num_editor_gadgets; i++)
7082   {
7083     FreeGadget(level_editor_gadget[i]);
7084
7085     level_editor_gadget[i] = NULL;
7086   }
7087
7088   checked_free(level_editor_gadget);
7089   checked_free(right_gadget_border);
7090
7091   checked_free(editor_el_empty);
7092 }
7093
7094 static void MapCounterButtons(int id)
7095 {
7096   int font_nr = FONT_TEXT_1;
7097   int font_height = getFontHeight(font_nr);
7098   int gadget_id_down = counterbutton_info[id].gadget_id_down;
7099   int gadget_id_text = counterbutton_info[id].gadget_id_text;
7100   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
7101   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
7102   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
7103   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
7104   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
7105   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7106   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7107   int yoffset = (gi_down->height - font_height) / 2;
7108   int x_left = gi_down->x - xoffset_left;
7109   int x_right;  /* set after gadget position was modified */
7110   int y_above = gi_down->y - yoffset_above;
7111   int x = gi_down->x;
7112   int y;        /* set after gadget position was modified */
7113
7114   /* counter limits must be changed first to prevent value truncation */
7115   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
7116                             counterbutton_info[id].max_value);
7117
7118   /* right text position might have changed after setting position above */
7119   x_right = gi_up->x + gi_up->width + xoffset_right;
7120
7121   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
7122
7123   /* set position for "value[1,2,3,4]" counter gadgets (score in most cases) */
7124   if (id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
7125       id <= ED_COUNTER_ID_ELEMENT_VALUE4)
7126   {
7127     ModifyGadget(gi_down, GDI_Y,
7128                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7129     ModifyGadget(gi_text, GDI_Y,
7130                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7131     ModifyGadget(gi_up,   GDI_Y,
7132                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7133   }
7134
7135   /* vertical position might have changed after setting position above */
7136   y = gi_up->y + yoffset;
7137
7138   if (counterbutton_info[id].text_above)
7139     DrawText(x, y_above, counterbutton_info[id].text_above, font_nr);
7140
7141   if (counterbutton_info[id].text_left)
7142     DrawText(x_left, y, counterbutton_info[id].text_left, font_nr);
7143
7144   if (counterbutton_info[id].text_right)
7145     DrawText(x_right, y, counterbutton_info[id].text_right, font_nr);
7146
7147   MapGadget(gi_down);
7148   MapGadget(gi_text);
7149   MapGadget(gi_up);
7150 }
7151
7152 static void MapControlButtons()
7153 {
7154   int counter_id;
7155   int i;
7156
7157   /* map toolbox buttons (excluding special CE toolbox buttons) */
7158   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
7159     MapGadget(level_editor_gadget[i]);
7160
7161   /* map toolbox buttons (element properties buttons) */
7162   for (i = ED_NUM_CTRL1_4_BUTTONS; i < ED_NUM_CTRL1_7_BUTTONS; i++)
7163     MapGadget(level_editor_gadget[i]);
7164
7165   if (use_permanent_palette)
7166   {
7167     /* map buttons to select elements */
7168     for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7169       MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
7170     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
7171     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
7172     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
7173   }
7174
7175   /* map buttons to select level */
7176   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
7177   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
7178   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
7179   MapCounterButtons(counter_id);
7180 }
7181
7182 static void MapDrawingArea(int id)
7183 {
7184   int font_nr = FONT_TEXT_1;
7185   int font_height = getFontHeight(font_nr);
7186   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7187   int area_xsize = gi->drawing.area_xsize;
7188   int area_ysize = gi->drawing.area_ysize;
7189   int xoffset_left = getTextWidthForDrawingArea(drawingarea_info[id].text_left);
7190   int xoffset_below = getTextWidth(drawingarea_info[id].text_below, font_nr);
7191   int x_left  = gi->x - xoffset_left;
7192   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
7193   int x_below = gi->x + (gi->width - xoffset_below) / 2;
7194   int y_side  = gi->y + (gi->height - font_height) / 2;
7195   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
7196
7197   if (drawingarea_info[id].text_left)
7198     DrawText(x_left, y_side, drawingarea_info[id].text_left, font_nr);
7199
7200   if (drawingarea_info[id].text_right)
7201     DrawText(x_right, y_side, drawingarea_info[id].text_right, font_nr);
7202
7203   if (drawingarea_info[id].text_below)
7204     DrawText(x_below, y_below, drawingarea_info[id].text_below, font_nr);
7205
7206   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
7207   {
7208     DrawElementBorder(gi->x, gi->y,
7209                       area_xsize * ED_DRAWINGAREA_TILE_SIZE,
7210                       area_ysize * ED_DRAWINGAREA_TILE_SIZE, TRUE);
7211
7212     DrawDrawingArea(id);
7213   }
7214
7215   MapGadget(gi);
7216 }
7217
7218 static void MapTextInputGadget(int id)
7219 {
7220   int font_nr = FONT_TEXT_1;
7221   int font_height = getFontHeight(font_nr);
7222   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
7223   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7224   int x_above = ED_SETTINGS_X(textinput_info[id].x);
7225   int y_above = ED_SETTINGS_Y(textinput_info[id].y) - yoffset_above;
7226
7227   if (textinput_info[id].text_above)
7228     DrawTextS(x_above, y_above, font_nr, textinput_info[id].text_above);
7229
7230   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
7231
7232   MapGadget(gi);
7233 }
7234
7235 static void MapTextAreaGadget(int id)
7236 {
7237   int font_nr = FONT_TEXT_1;
7238   int font_height = getFontHeight(font_nr);
7239   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
7240   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7241   int x_above = ED_SETTINGS_X(textarea_info[id].x);
7242   int y_above = ED_SETTINGS_Y(textarea_info[id].y) - yoffset_above;
7243
7244   if (textarea_info[id].text_above)
7245     DrawTextS(x_above, y_above, font_nr, textarea_info[id].text_above);
7246
7247   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
7248
7249   MapGadget(gi);
7250 }
7251
7252 static void MapSelectboxGadget(int id)
7253 {
7254   int font_nr = FONT_TEXT_1;
7255   int font_height = getFontHeight(font_nr);
7256   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
7257   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
7258   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7259   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7260   int yoffset = (gi->height - font_height) / 2;
7261   int x_left = gi->x - xoffset_left;
7262   int x_right = gi->x + gi->width + xoffset_right;
7263   int y_above = gi->y - yoffset_above;
7264   int x = gi->x;
7265   int y = gi->y + yoffset;
7266
7267   if (selectbox_info[id].text_above)
7268     DrawText(x, y_above, selectbox_info[id].text_above, font_nr);
7269
7270   if (selectbox_info[id].text_left)
7271     DrawText(x_left, y, selectbox_info[id].text_left, font_nr);
7272
7273   if (selectbox_info[id].text_right)
7274     DrawText(x_right, y, selectbox_info[id].text_right, font_nr);
7275
7276   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
7277
7278   MapGadget(gi);
7279 }
7280
7281 static void MapTextbuttonGadget(int id)
7282 {
7283   int font_nr = FONT_TEXT_1;
7284   int font_height = getFontHeight(font_nr);
7285   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
7286   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
7287   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7288   int yoffset_above = font_height + ED_GADGET_LINE_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_above = gi->y - yoffset_above;
7293   int x = gi->x;
7294   int y = gi->y + yoffset;
7295
7296   /* only show button to delete change pages when more than minimum pages */
7297   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
7298       custom_element.num_change_pages == MIN_CHANGE_PAGES)
7299     return;
7300
7301   if (textbutton_info[id].text_above)
7302     DrawText(x, y_above, textbutton_info[id].text_above, font_nr);
7303
7304   if (textbutton_info[id].text_left)
7305     DrawText(x_left, y, textbutton_info[id].text_left, font_nr);
7306
7307   if (textbutton_info[id].text_right)
7308     DrawText(x_right, y, textbutton_info[id].text_right, font_nr);
7309
7310   MapGadget(gi);
7311 }
7312
7313 static void MapGraphicbuttonGadget(int id)
7314 {
7315   int font_nr = FONT_TEXT_1;
7316   int font_height = getFontHeight(font_nr);
7317   struct GadgetInfo *gi= level_editor_gadget[graphicbutton_info[id].gadget_id];
7318   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
7319   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7320   int yoffset = (gi->height - font_height) / 2;
7321   int x_left = gi->x - xoffset_left;
7322   int x_right = gi->x + gi->width + xoffset_right;
7323   int y = gi->y + yoffset;
7324
7325   if (graphicbutton_info[id].text_left)
7326     DrawText(x_left, y, graphicbutton_info[id].text_left, font_nr);
7327
7328   if (graphicbutton_info[id].text_right)
7329     DrawText(x_right, y, graphicbutton_info[id].text_right, font_nr);
7330
7331   MapGadget(gi);
7332 }
7333
7334 static void MapRadiobuttonGadget(int id)
7335 {
7336   int font_nr = FONT_TEXT_1;
7337   int font_height = getFontHeight(font_nr);
7338   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
7339   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
7340   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7341   int yoffset = (gi->height - font_height) / 2;
7342   int x_left = gi->x - xoffset_left;
7343   int x_right = gi->x + gi->width + xoffset_right;
7344   int y = gi->y + yoffset;
7345   boolean checked =
7346     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
7347
7348   if (radiobutton_info[id].text_left)
7349     DrawText(x_left, y, radiobutton_info[id].text_left, font_nr);
7350
7351   if (radiobutton_info[id].text_right)
7352     DrawText(x_right, y, radiobutton_info[id].text_right, font_nr);
7353
7354   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
7355
7356   MapGadget(gi);
7357 }
7358
7359 static void MapCheckbuttonGadget(int id)
7360 {
7361   int font_nr = FONT_TEXT_1;
7362   int font_height = getFontHeight(font_nr);
7363   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
7364   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
7365   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7366   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7367   int yoffset = (gi->height - font_height) / 2;
7368   int y_above = gi->y - yoffset_above;
7369   int x = gi->x;
7370   int x_left, x_right, y;       /* set after gadget position was modified */
7371
7372   /* set position for gadgets with dynamically determined position */
7373   if (checkbutton_info[id].x != -1)     /* do not change dynamic positions */
7374     ModifyGadget(gi, GDI_X, SX + ED_SETTINGS_X(checkbutton_info[id].x),GDI_END);
7375   ModifyGadget(gi, GDI_Y, SY + ED_SETTINGS_Y(checkbutton_info[id].y), GDI_END);
7376
7377   x_left = gi->x - xoffset_left;
7378   x_right = gi->x + gi->width + xoffset_right;
7379   y = gi->y + yoffset;
7380
7381   if (checkbutton_info[id].text_above)
7382     DrawText(x, y_above, checkbutton_info[id].text_above, font_nr);
7383
7384   if (checkbutton_info[id].text_left)
7385     DrawText(x_left, y, checkbutton_info[id].text_left, font_nr);
7386
7387   if (checkbutton_info[id].text_right)
7388     DrawText(x_right, y, checkbutton_info[id].text_right, font_nr);
7389
7390   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
7391
7392   MapGadget(gi);
7393 }
7394
7395 static void MapMainDrawingArea()
7396 {
7397   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
7398   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
7399   int i;
7400
7401   if (suppressBorderElement())
7402   {
7403     no_horizontal_scrollbar = (lev_fieldx <= ed_fieldx);
7404     no_vertical_scrollbar   = (lev_fieldy <= ed_fieldy);
7405   }
7406
7407   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
7408   {
7409     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
7410           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
7411          no_horizontal_scrollbar) ||
7412         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
7413           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
7414          no_vertical_scrollbar))
7415       continue;
7416
7417     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
7418   }
7419
7420   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
7421   {
7422     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
7423         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
7424       continue;
7425
7426     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
7427   }
7428
7429   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
7430 }
7431
7432 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
7433 {
7434   int i;
7435
7436   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
7437   {
7438     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
7439         i == GADGET_ID_CUSTOM_COPY_TO ||
7440         i == GADGET_ID_CUSTOM_EXCHANGE ||
7441         i == GADGET_ID_CUSTOM_COPY ||
7442         i == GADGET_ID_CUSTOM_PASTE)
7443     {
7444       if (map)
7445         MapGadget(level_editor_gadget[i]);
7446       else
7447         UnmapGadget(level_editor_gadget[i]);
7448     }
7449   }
7450 }
7451
7452 static void MapLevelEditorToolboxCustomGadgets()
7453 {
7454   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
7455 }
7456
7457 static void UnmapLevelEditorToolboxCustomGadgets()
7458 {
7459   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
7460 }
7461
7462 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
7463 {
7464   int i;
7465
7466   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
7467   {
7468     if (i != GADGET_ID_SINGLE_ITEMS &&
7469         i != GADGET_ID_PICK_ELEMENT)
7470     {
7471       struct GadgetInfo *gi = level_editor_gadget[i];
7472
7473       if (map)
7474       {
7475         MapGadget(gi);
7476       }
7477       else
7478       {
7479         int graphic = IMG_EDITOR_NO_TOOLBOX_BUTTON;
7480         struct GraphicInfo *gd = &graphic_info[graphic];
7481
7482         UnmapGadget(gi);
7483
7484         BlitBitmap(gd->bitmap, drawto, gd->src_x, gd->src_y,
7485                    gi->width, gi->height, gi->x, gi->y);
7486
7487         redraw_mask |= REDRAW_DOOR_3;
7488       }
7489     }
7490   }
7491 }
7492
7493 static void MapLevelEditorToolboxDrawingGadgets()
7494 {
7495   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
7496 }
7497
7498 static void UnmapLevelEditorToolboxDrawingGadgets()
7499 {
7500   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
7501 }
7502
7503 static void UnmapDrawingArea(int id)
7504 {
7505   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
7506 }
7507
7508 static void UnmapLevelEditorFieldGadgets()
7509 {
7510   int i;
7511
7512   for (i = 0; i < num_editor_gadgets; i++)
7513     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
7514                           level_editor_gadget[i]->y))
7515       UnmapGadget(level_editor_gadget[i]);
7516 }
7517
7518 void UnmapLevelEditorGadgets()
7519 {
7520   int i;
7521
7522   for (i = 0; i < num_editor_gadgets; i++)
7523     UnmapGadget(level_editor_gadget[i]);
7524 }
7525
7526 static void ResetUndoBuffer()
7527 {
7528   undo_buffer_position = -1;
7529   undo_buffer_steps = -1;
7530   redo_buffer_steps = 0;
7531
7532   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
7533
7534   level.changed = FALSE;
7535 }
7536
7537 static void DrawEditModeWindow()
7538 {
7539   ModifyEditorElementList();
7540   RedrawDrawingElements();
7541
7542   if (edit_mode == ED_MODE_INFO)
7543     DrawLevelInfoWindow();
7544   else if (edit_mode == ED_MODE_PROPERTIES)
7545     DrawPropertiesWindow();
7546   else if (edit_mode == ED_MODE_PALETTE)
7547     DrawPaletteWindow();
7548   else  /* edit_mode == ED_MODE_DRAWING */
7549     DrawDrawingWindow();
7550 }
7551
7552 static void ChangeEditModeWindow(int new_edit_mode)
7553 {
7554   edit_mode = (new_edit_mode != edit_mode ? new_edit_mode : ED_MODE_DRAWING);
7555
7556   DrawEditModeWindow();
7557 }
7558
7559 static boolean LevelChanged()
7560 {
7561   boolean field_changed = FALSE;
7562   int x, y;
7563
7564   for (y = 0; y < lev_fieldy; y++)
7565     for (x = 0; x < lev_fieldx; x++)
7566       if (Feld[x][y] != level.field[x][y])
7567         field_changed = TRUE;
7568
7569   return (level.changed || field_changed);
7570 }
7571
7572 static boolean PrepareSavingIntoPersonalLevelSet()
7573 {
7574   static LevelDirTree *last_copied_leveldir = NULL;
7575   static LevelDirTree *last_written_leveldir = NULL;
7576   static int last_copied_level_nr = -1;
7577   static int last_written_level_nr = -1;
7578   LevelDirTree *leveldir_former = leveldir_current;
7579   int level_nr_former = level_nr;
7580   int new_level_nr;
7581
7582   // remember last mod/save so that for current session, we write
7583   // back to the same personal copy, asking only about overwrite.
7584   if (leveldir_current == last_copied_leveldir &&
7585       level_nr == last_copied_level_nr)
7586   {
7587     // "cd" to personal level set dir (as used when writing last copy)
7588     leveldir_current = last_written_leveldir;
7589     level_nr = last_written_level_nr;
7590
7591     return TRUE;
7592   }
7593
7594   if (!Request("This level is read only! "
7595                "Save into personal level set?", REQ_ASK))
7596     return FALSE;
7597
7598   // "cd" to personal level set dir (for writing copy the first time)
7599   leveldir_current =
7600     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
7601
7602   // find unused level number
7603   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
7604   {
7605     static char *level_filename = NULL;
7606
7607     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
7608
7609     if (!fileExists(level_filename))
7610       break;
7611   }
7612
7613   last_copied_leveldir = leveldir_former;
7614   last_copied_level_nr = level_nr_former;
7615
7616   last_written_leveldir = leveldir_current;
7617   last_written_level_nr = level_nr = new_level_nr;
7618
7619   return TRUE;
7620 }
7621
7622 static void ModifyLevelInfoForSavingIntoPersonalLevelSet(char *former_name)
7623 {
7624   static char *filename_levelinfo = NULL, *mod_name = NULL;
7625   FILE *file;
7626
7627   // annotate this copy-and-mod in personal levelinfo.conf
7628   setString(&filename_levelinfo,
7629             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
7630
7631   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
7632   {
7633     fprintf(file, "\n");
7634     fprintf(file, "# level %d was modified from:\n", level_nr);
7635     fprintf(file, "# - previous level set name:    %s\n",
7636             former_name);
7637     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
7638             level.file_info.nr, level.name);
7639     fprintf(file, "# - previous author:            %s\n",
7640             level.author);
7641     fprintf(file, "# - previous save date:         ");
7642
7643     if (level.creation_date.src == DATE_SRC_LEVELFILE)
7644     {
7645       fprintf(file, "%04d-%02d-%02d\n",
7646               level.creation_date.year,
7647               level.creation_date.month,
7648               level.creation_date.day);
7649     }
7650     else
7651     {
7652       fprintf(file, "not recorded\n");
7653     }
7654
7655     fclose(file);
7656   }
7657
7658   if (level_nr > leveldir_current->last_level)
7659     UpdateUserLevelSet(getLoginName(), NULL, NULL, level_nr + 9);
7660
7661   // else: allow the save even if annotation failed
7662
7663   // now... spray graffiti on the old level vital statistics
7664   // user can change these; just trying to set a good baseline
7665
7666   // don't truncate names for fear of making offensive or silly:
7667   // long-named original author only recorded in levelinfo.conf.
7668   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
7669   if (!strEqual(level.author, leveldir_current->author))
7670   {
7671     setString(&mod_name, getStringCat3(leveldir_current->author,
7672                                        " after ", level.author));
7673
7674     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7675       setString(&mod_name,
7676                 getStringCat2(leveldir_current->author, " (ed.)"));
7677
7678     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7679       setString(&mod_name, leveldir_current->author);
7680
7681     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
7682
7683     // less worried about truncation here
7684     setString(&mod_name, getStringCat2("Mod: ", level.name));
7685     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
7686   }
7687 }
7688
7689 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
7690                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
7691 {
7692   int x, y;
7693
7694   for (x = 0; x < lev_fieldx; x++)
7695     for (y = 0; y < lev_fieldy; y++)
7696       dst[x][y] = src[x][y];
7697 }
7698
7699 static int setSelectboxValue(int selectbox_id, int new_value)
7700 {
7701   int new_index_value = 0;
7702   int i;
7703
7704   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
7705     if (selectbox_info[selectbox_id].options[i].value == new_value)
7706       new_index_value = i;
7707
7708   *selectbox_info[selectbox_id].value =
7709     selectbox_info[selectbox_id].options[new_index_value].value;
7710
7711   return new_index_value;
7712 }
7713
7714 static void setSelectboxSpecialActionVariablesIfNeeded()
7715 {
7716   int i;
7717
7718   /* change action mode and arg variables according to action type variable */
7719   for (i = 0; action_arg_options[i].value != -1; i++)
7720   {
7721     if (action_arg_options[i].value == custom_element_change.action_type)
7722     {
7723       int mode = action_arg_options[i].mode;
7724
7725       /* only change if corresponding selectbox has changed */
7726       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
7727           action_arg_modes[mode])
7728         custom_element_change.action_mode = -1;
7729
7730       /* only change if corresponding selectbox has changed */
7731       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
7732           action_arg_options[i].options)
7733         custom_element_change.action_arg = -1;
7734
7735       break;
7736     }
7737   }
7738 }
7739
7740 static void setSelectboxSpecialActionOptions()
7741 {
7742   int i;
7743
7744   /* change action mode and arg selectbox according to action type selectbox */
7745   for (i = 0; action_arg_options[i].value != -1; i++)
7746   {
7747     if (action_arg_options[i].value == custom_element_change.action_type)
7748     {
7749       int mode = action_arg_options[i].mode;
7750
7751       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
7752                                    action_arg_modes[mode]);
7753       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
7754                                  custom_element_change.action_mode);
7755
7756       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
7757                                    action_arg_options[i].options);
7758       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
7759                                  custom_element_change.action_arg);
7760       break;
7761     }
7762   }
7763 }
7764
7765 static void copy_custom_element_settings(int element_from, int element_to)
7766 {
7767   struct ElementInfo *ei_from = &element_info[element_from];
7768   struct ElementInfo *ei_to = &element_info[element_to];
7769
7770   copyElementInfo(ei_from, ei_to);
7771 }
7772
7773 static void replace_custom_element_in_settings(int element_from,
7774                                                int element_to)
7775 {
7776   int i, j, x, y;
7777
7778   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7779   {
7780     struct ElementInfo *ei = &element_info[i];
7781
7782     for (y = 0; y < 3; y++)
7783       for (x = 0; x < 3; x++)
7784         if (ei->content.e[x][y] == element_from)
7785           ei->content.e[x][y] = element_to;
7786
7787     for (j = 0; j < ei->num_change_pages; j++)
7788     {
7789       struct ElementChangeInfo *change = &ei->change_page[j];
7790
7791       if (change->target_element == element_from)
7792         change->target_element = element_to;
7793
7794       if (change->initial_trigger_element == element_from)
7795         change->initial_trigger_element = element_to;
7796
7797       if (change->action_element == element_from)
7798         change->action_element = element_to;
7799
7800       for (y = 0; y < 3; y++)
7801         for (x = 0; x < 3; x++)
7802           if (change->target_content.e[x][y] == element_from)
7803             change->target_content.e[x][y] = element_to;
7804     }
7805
7806     if (ei->group != NULL)                              /* group or internal */
7807       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
7808         if (ei->group->element[j] == element_from)
7809           ei->group->element[j] = element_to;
7810   }
7811 }
7812
7813 static void replace_custom_element_in_playfield(int element_from,
7814                                                 int element_to)
7815 {
7816   int x, y;
7817
7818   for (x = 0; x < lev_fieldx; x++)
7819     for (y = 0; y < lev_fieldy; y++)
7820       if (Feld[x][y] == element_from)
7821         Feld[x][y] = element_to;
7822 }
7823
7824 static boolean CopyCustomElement(int element_old, int element_new,
7825                                  int copy_mode)
7826 {
7827   int copy_mode_orig = copy_mode;
7828
7829   if (copy_mode == GADGET_ID_CUSTOM_COPY)
7830   {
7831     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
7832                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
7833     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
7834   }
7835   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
7836   {
7837     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
7838                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
7839     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
7840
7841     level.changed = TRUE;
7842   }
7843   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
7844   {
7845     Request("Please choose custom element!", REQ_CONFIRM);
7846
7847     return FALSE;
7848   }
7849   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
7850   {
7851     Request("Please choose group element!", REQ_CONFIRM);
7852
7853     return FALSE;
7854   }
7855   else
7856   {
7857     level.changed = TRUE;
7858   }
7859
7860   /* when modifying custom/group element, ask for copying level template */
7861   if (copy_mode_orig != GADGET_ID_CUSTOM_COPY && level.use_custom_template)
7862   {
7863     if (!AskToCopyAndModifyLevelTemplate())
7864       return FALSE;
7865   }
7866
7867   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
7868   {
7869     copy_custom_element_settings(element_new, element_old);
7870   }
7871   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
7872   {
7873     copy_custom_element_settings(element_old, element_new);
7874   }
7875   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
7876   {
7877     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
7878     copy_custom_element_settings(element_new, element_old);
7879     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
7880
7881     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
7882     replace_custom_element_in_settings(element_new, element_old);
7883     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
7884
7885     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
7886     replace_custom_element_in_playfield(element_new, element_old);
7887     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
7888   }
7889
7890   UpdateCustomElementGraphicGadgets();
7891   DrawPropertiesWindow();
7892
7893   return TRUE;
7894 }
7895
7896 static void CopyCustomElementPropertiesToEditor(int element)
7897 {
7898   int i;
7899   int current_change_page = element_info[element].current_change_page;
7900
7901   /* dynamically (re)build selectbox for selecting change page */
7902   for (i = 0; i < element_info[element].num_change_pages; i++)
7903   {
7904     sprintf(options_change_page_strings[i], "%d", i + 1);
7905
7906     options_change_page[i].value = i;
7907     options_change_page[i].text = options_change_page_strings[i];
7908   }
7909
7910   options_change_page[i].value = -1;
7911   options_change_page[i].text = NULL;
7912
7913   /* needed here to initialize combined element properties */
7914   InitElementPropertiesEngine(level.game_version);
7915
7916   element_info[element].change =
7917     &element_info[element].change_page[current_change_page];
7918
7919   custom_element = element_info[element];
7920   custom_element_change = *element_info[element].change;
7921
7922   /* needed to initially set selectbox options for special action options */
7923   setSelectboxSpecialActionOptions();
7924
7925   /* needed to initially set selectbox value variables to reliable defaults */
7926   for (i = 0; i < ED_NUM_SELECTBOX; i++)
7927     setSelectboxValue(i, *selectbox_info[i].value);
7928
7929   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
7930     custom_element_properties[i] = HAS_PROPERTY(element, i);
7931
7932   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
7933     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
7934
7935   /* ---------- element settings: configure (custom elements) ------------- */
7936
7937   /* set accessible layer selectbox help value */
7938   custom_element.access_type =
7939     (IS_WALKABLE(element) ? EP_WALKABLE :
7940      IS_PASSABLE(element) ? EP_PASSABLE :
7941      custom_element.access_type);
7942   custom_element.access_layer =
7943     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
7944      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
7945      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
7946      custom_element.access_layer);
7947   custom_element.access_protected =
7948     (IS_PROTECTED(element) ? 1 : 0);
7949   custom_element_properties[EP_ACCESSIBLE] =
7950     (IS_ACCESSIBLE_OVER(element) ||
7951      IS_ACCESSIBLE_INSIDE(element) ||
7952      IS_ACCESSIBLE_UNDER(element));
7953
7954   /* set walk-to-object action selectbox help value */
7955   custom_element.walk_to_action =
7956     (IS_DIGGABLE(element) ? EP_DIGGABLE :
7957      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
7958      IS_DROPPABLE(element) ? EP_DROPPABLE :
7959      IS_THROWABLE(element) ? EP_THROWABLE :
7960      IS_PUSHABLE(element) ? EP_PUSHABLE :
7961      custom_element.walk_to_action);
7962   custom_element_properties[EP_WALK_TO_OBJECT] =
7963     (IS_DIGGABLE(element) ||
7964      IS_COLLECTIBLE_ONLY(element) ||
7965      IS_DROPPABLE(element) ||
7966      IS_THROWABLE(element) ||
7967      IS_PUSHABLE(element));
7968
7969   /* set smash targets selectbox help value */
7970   custom_element.smash_targets =
7971     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
7972      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
7973      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
7974      custom_element.smash_targets);
7975   custom_element_properties[EP_CAN_SMASH] =
7976     (CAN_SMASH_EVERYTHING(element) ||
7977      CAN_SMASH_ENEMIES(element) ||
7978      CAN_SMASH_PLAYER(element));
7979
7980   /* set deadliness selectbox help value */
7981   custom_element.deadliness =
7982     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
7983      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
7984      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
7985      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
7986      custom_element.deadliness);
7987   custom_element_properties[EP_DEADLY] =
7988     (DONT_TOUCH(element) ||
7989      DONT_GET_HIT_BY(element) ||
7990      DONT_COLLIDE_WITH(element) ||
7991      DONT_RUN_INTO(element));
7992
7993   /* ---------- element settings: advanced (custom elements) --------------- */
7994
7995   /* set "change by direct action" selectbox help value */
7996   custom_element_change.direct_action =
7997     (HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
7998      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
7999      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
8000      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
8001      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
8002      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
8003      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
8004      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
8005      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
8006      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
8007      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
8008      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
8009      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
8010      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
8011      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
8012      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
8013      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
8014      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
8015      custom_element_change.direct_action);
8016
8017   /* set "change by other element action" selectbox help value */
8018   custom_element_change.other_action =
8019     (HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
8020      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
8021      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
8022      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
8023      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
8024      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
8025      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
8026      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
8027      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
8028      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
8029      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
8030      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
8031      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
8032      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
8033      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
8034      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
8035      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
8036      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
8037      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
8038      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
8039      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
8040      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
8041      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
8042      custom_element_change.other_action);
8043 }
8044
8045 static void CopyGroupElementPropertiesToEditor(int element)
8046 {
8047   group_element_info = *element_info[element].group;
8048   custom_element = element_info[element];       /* needed for description */
8049 }
8050
8051 static void CopyClassicElementPropertiesToEditor(int element)
8052 {
8053   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
8054     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
8055       getMoveIntoAcidProperty(&level, element);
8056
8057   if (MAYBE_DONT_COLLIDE_WITH(element))
8058     custom_element_properties[EP_DONT_COLLIDE_WITH] =
8059       getDontCollideWithProperty(&level, element);
8060 }
8061
8062 static void CopyElementPropertiesToEditor(int element)
8063 {
8064   if (IS_CUSTOM_ELEMENT(element))
8065     CopyCustomElementPropertiesToEditor(element);
8066   else if (IS_GROUP_ELEMENT(element))
8067     CopyGroupElementPropertiesToEditor(element);
8068   else
8069     CopyClassicElementPropertiesToEditor(element);
8070 }
8071
8072 static boolean AskToCopyAndModifyLevelTemplate()
8073 {
8074   if (Request("Copy and modify settings from level template?", REQ_ASK))
8075   {
8076     level.use_custom_template = FALSE;
8077
8078     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_1],
8079                  GDI_CHECKED, FALSE, GDI_END);
8080     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_2],
8081                  GDI_CHECKED, FALSE, GDI_END);
8082
8083     return TRUE;
8084   }
8085   else
8086   {
8087     LoadLevelTemplate(-1);      /* this resets all element modifications ... */
8088
8089     DrawEditModeWindow();       /* ... and copies them to 'custom_element' */
8090
8091     return FALSE;
8092   }
8093 }
8094
8095 static void CopyCustomElementPropertiesToGame(int element)
8096 {
8097   int i;
8098   int access_type_and_layer;
8099
8100   /* mark that this custom element has been modified */
8101   custom_element.modified_settings = TRUE;
8102   level.changed = TRUE;
8103
8104   if (level.use_custom_template)
8105     AskToCopyAndModifyLevelTemplate();
8106
8107   element_info[element] = custom_element;
8108   *element_info[element].change = custom_element_change;
8109
8110   /* ---------- element settings: configure (custom elements) ------------- */
8111
8112   /* set accessible property from checkbox and selectbox */
8113   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
8114   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
8115   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
8116   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
8117   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
8118   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
8119   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
8120                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
8121                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
8122   custom_element_properties[access_type_and_layer] =
8123     custom_element_properties[EP_ACCESSIBLE];
8124   custom_element_properties[EP_PROTECTED] =
8125     (custom_element.access_protected != 0 &&
8126      custom_element_properties[EP_ACCESSIBLE]);
8127
8128   /* set walk-to-object property from checkbox and selectbox */
8129   custom_element_properties[EP_DIGGABLE] = FALSE;
8130   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
8131   custom_element_properties[EP_DROPPABLE] = FALSE;
8132   custom_element_properties[EP_THROWABLE] = FALSE;
8133   custom_element_properties[EP_PUSHABLE] = FALSE;
8134   custom_element_properties[custom_element.walk_to_action] =
8135     custom_element_properties[EP_WALK_TO_OBJECT];
8136
8137   /* set smash property from checkbox and selectbox */
8138   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
8139   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
8140   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
8141   custom_element_properties[custom_element.smash_targets] =
8142     custom_element_properties[EP_CAN_SMASH];
8143
8144   /* set deadliness property from checkbox and selectbox */
8145   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
8146   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
8147   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
8148   custom_element_properties[EP_DONT_TOUCH] = FALSE;
8149   custom_element_properties[custom_element.deadliness] =
8150     custom_element_properties[EP_DEADLY];
8151
8152   /* ---------- element settings: advanced (custom elements) --------------- */
8153
8154   /* set player change event from checkbox and selectbox */
8155   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
8156   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
8157   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
8158   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
8159   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
8160   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
8161   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
8162   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
8163   custom_element_change_events[CE_SWITCHED] = FALSE;
8164   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
8165   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
8166   custom_element_change_events[CE_BLOCKED] = FALSE;
8167   custom_element_change_events[CE_IMPACT] = FALSE;
8168   custom_element_change_events[CE_SMASHED] = FALSE;
8169   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
8170   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
8171   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
8172   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
8173   custom_element_change_events[custom_element_change.direct_action] =
8174     custom_element_change_events[CE_BY_DIRECT_ACTION];
8175
8176   /* set other element action change event from checkbox and selectbox */
8177   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
8178   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
8179   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
8180   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
8181   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
8182   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
8183   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
8184   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
8185   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
8186   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
8187   custom_element_change_events[CE_TOUCHING_X] = FALSE;
8188   custom_element_change_events[CE_HITTING_X] = FALSE;
8189   custom_element_change_events[CE_DIGGING_X] = FALSE;
8190   custom_element_change_events[CE_HIT_BY_X] = FALSE;
8191   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
8192   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
8193   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
8194   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
8195   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
8196   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
8197   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
8198   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
8199   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
8200   custom_element_change_events[custom_element_change.other_action] =
8201     custom_element_change_events[CE_BY_OTHER_ACTION];
8202
8203   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
8204     SET_PROPERTY(element, i, custom_element_properties[i]);
8205
8206   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
8207     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
8208
8209   /* copy change events also to special level editor variable */
8210   custom_element = element_info[element];
8211   custom_element_change = *element_info[element].change;
8212 }
8213
8214 static void CopyGroupElementPropertiesToGame(int element)
8215 {
8216   /* mark that this group element has been modified */
8217   custom_element.modified_settings = TRUE;
8218   level.changed = TRUE;
8219
8220   if (level.use_custom_template)
8221     AskToCopyAndModifyLevelTemplate();
8222
8223   element_info[element] = custom_element;
8224   *element_info[element].group = group_element_info;
8225 }
8226
8227 static void CopyClassicElementPropertiesToGame(int element)
8228 {
8229   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
8230     setMoveIntoAcidProperty(&level, element,
8231                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
8232
8233   if (MAYBE_DONT_COLLIDE_WITH(element))
8234     setDontCollideWithProperty(&level, element,
8235                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
8236 }
8237
8238 static void CopyElementPropertiesToGame(int element)
8239 {
8240   if (IS_CUSTOM_ELEMENT(element))
8241     CopyCustomElementPropertiesToGame(element);
8242   else if (IS_GROUP_ELEMENT(element))
8243     CopyGroupElementPropertiesToGame(element);
8244   else
8245     CopyClassicElementPropertiesToGame(element);
8246 }
8247
8248 void CheckElementDescriptions()
8249 {
8250   int i;
8251
8252   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
8253     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
8254       Error(ERR_WARN, "no element description file for element '%s'",
8255             EL_NAME(i));
8256 }
8257
8258 static int getMaxEdFieldX(boolean has_scrollbar)
8259 {
8260   int scrollbar_width = (has_scrollbar ? ED_SCROLLBUTTON_XSIZE : 0);
8261   int sxsize = SXSIZE - scrollbar_width;
8262   int max_ed_fieldx = sxsize / ed_tilesize;
8263
8264   return max_ed_fieldx;
8265 }
8266
8267 static int getMaxEdFieldY(boolean has_scrollbar)
8268 {
8269   int infotext_height = (IN_PIX_FIELD(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY) ?
8270                          INFOTEXT_YSIZE_FULL : 0);
8271   int scrollbar_height = (has_scrollbar ? ED_SCROLLBUTTON_YSIZE : 0);
8272   int sysize = SYSIZE - scrollbar_height - infotext_height;
8273   int max_ed_fieldy = sysize / ed_tilesize;
8274
8275   return max_ed_fieldy;
8276 }
8277
8278 void InitZoomLevelSettings(int zoom_tilesize)
8279 {
8280   if (zoom_tilesize == -1)
8281     zoom_tilesize = setup.auto_setup.editor_zoom_tilesize;
8282
8283   // limit zoom tilesize by upper and lower bound
8284   zoom_tilesize = MIN(MAX(MICRO_TILESIZE, zoom_tilesize), TILESIZE);
8285
8286   ed_tilesize = setup.auto_setup.editor_zoom_tilesize = zoom_tilesize;
8287
8288   MAX_ED_FIELDX = getMaxEdFieldX(FALSE);
8289   MAX_ED_FIELDY = getMaxEdFieldY(FALSE);
8290 }
8291
8292 static void InitLevelSetInfo()
8293 {
8294   snprintf(levelset_name,   MAX_LEVEL_NAME_LEN + 1,
8295            "%s", leveldir_current->name);
8296   snprintf(levelset_author, MAX_LEVEL_AUTHOR_LEN + 1,
8297            "%s", leveldir_current->author);
8298
8299   levelset_num_levels = leveldir_current->levels;
8300
8301   levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
8302 }
8303
8304 static void ChangeEditorToLevelSet(char *levelset_subdir)
8305 {
8306   leveldir_current = getTreeInfoFromIdentifier(leveldir_first, levelset_subdir);
8307
8308   // the previous level set might have used custom artwork
8309   ReloadCustomArtwork(0);
8310
8311   LoadLevelSetup_SeriesInfo();
8312
8313   SaveLevelSetup_LastSeries();
8314   SaveLevelSetup_SeriesInfo();
8315
8316   TapeErase();
8317
8318   LoadLevel(level_nr);
8319   LoadScore(level_nr);
8320
8321   DrawLevelEd();
8322 }
8323
8324 static boolean useEditorDoorAnimation()
8325 {
8326   struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
8327   boolean door_1_viewport_unchanged =
8328     (vp_door_1->x      == DX     &&
8329      vp_door_1->y      == DY     &&
8330      vp_door_1->width  == DXSIZE &&
8331      vp_door_1->height == DYSIZE);
8332   boolean door_1_contains_toolbox =
8333     (EX >= DX &&
8334      EY >= DY &&
8335      EX + EXSIZE <= DX + DXSIZE &&
8336      EY + EYSIZE <= DY + DYSIZE);
8337
8338   return (door_1_viewport_unchanged && door_1_contains_toolbox);
8339 }
8340
8341 void DrawEditorDoorContent()
8342 {
8343   /* needed for gadgets drawn on background (like palette scrollbar) */
8344   SetDoorBackgroundImage(IMG_UNDEFINED);
8345
8346   /* copy default editor door content to main double buffer */
8347   BlitBitmap(graphic_info[IMG_BACKGROUND_PALETTE].bitmap, drawto,
8348              graphic_info[IMG_BACKGROUND_PALETTE].src_x,
8349              graphic_info[IMG_BACKGROUND_PALETTE].src_y,
8350              MIN(DXSIZE, graphic_info[IMG_BACKGROUND_PALETTE].width),
8351              MIN(DYSIZE, graphic_info[IMG_BACKGROUND_PALETTE].height),
8352              DX, DY);
8353
8354   /* draw bigger door */
8355   DrawSpecialEditorDoor();
8356
8357   /* draw new control window */
8358   BlitBitmap(graphic_info[IMG_BACKGROUND_TOOLBOX].bitmap, drawto,
8359              graphic_info[IMG_BACKGROUND_TOOLBOX].src_x,
8360              graphic_info[IMG_BACKGROUND_TOOLBOX].src_y,
8361              MIN(EXSIZE, graphic_info[IMG_BACKGROUND_TOOLBOX].width),
8362              MIN(EYSIZE, graphic_info[IMG_BACKGROUND_TOOLBOX].height),
8363              EX, EY);
8364
8365   /* draw all toolbox gadgets to editor doors */
8366   MapControlButtons();
8367
8368   /* draw all palette gadgets to editor doors */
8369   ModifyEditorElementList();
8370   RedrawDrawingElements();
8371
8372   /* copy actual editor door content to door double buffer for OpenDoor() */
8373   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
8374 }
8375
8376 void DrawLevelEd()
8377 {
8378   int fade_mask = REDRAW_FIELD;
8379
8380   FadeSoundsAndMusic();
8381
8382   if (CheckIfGlobalBorderOrPlayfieldViewportHasChanged())
8383     fade_mask = REDRAW_ALL;
8384
8385   FadeOut(fade_mask);
8386
8387   /* needed if different viewport properties defined for editor */
8388   ChangeViewportPropertiesIfNeeded();
8389
8390   ClearField();
8391
8392   InitZoomLevelSettings(-1);
8393   InitLevelSetInfo();
8394
8395 #if DEBUG
8396   CheckElementDescriptions();
8397 #endif
8398
8399   if (level_editor_test_game)
8400   {
8401     CopyPlayfield(level.field, Feld);
8402     CopyPlayfield(FieldBackup, level.field);
8403
8404     level_editor_test_game = FALSE;
8405   }
8406   else
8407   {
8408     edit_mode = ED_MODE_DRAWING;
8409     edit_mode_levelinfo = ED_MODE_LEVELINFO_LEVEL;
8410     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
8411
8412     ResetUndoBuffer();
8413
8414     level_xpos = -1;
8415     level_ypos = -1;
8416   }
8417
8418   // redraw_mask |= REDRAW_ALL;
8419
8420   FreeLevelEditorGadgets();
8421   CreateLevelEditorGadgets();
8422
8423   ReinitializeElementList();            /* update dynamic level element list */
8424   ReinitializeElementListButtons();     /* custom element may look different */
8425
8426   InitElementPropertiesGfxElement();
8427
8428   UnmapAllGadgets();
8429
8430   DrawDrawingWindow_PlayfieldOnly();
8431
8432   DrawMaskedBorder(fade_mask);
8433
8434   // use door animation if door 1 viewport is unchanged and contains toolbox
8435   if (useEditorDoorAnimation())
8436   {
8437     FadeIn(fade_mask);
8438
8439     DrawEditorDoorContent();
8440
8441     OpenDoor(DOOR_OPEN_1 | DOOR_FORCE_ANIM);
8442   }
8443   else
8444   {
8445     DrawEditorDoorContent();
8446
8447     FadeIn(fade_mask);
8448   }
8449
8450   SetDoorState(DOOR_OPEN_1 | DOOR_OPEN_2);
8451 }
8452
8453 static void AdjustDrawingAreaGadgets()
8454 {
8455   int ed_xsize = lev_fieldx + 2;
8456   int ed_ysize = lev_fieldy + 2;
8457   int max_ed_fieldx = MAX_ED_FIELDX;
8458   int max_ed_fieldy = MAX_ED_FIELDY;
8459   boolean horizontal_scrollbar_needed;
8460   boolean vertical_scrollbar_needed;
8461   int x, y, width, height;
8462
8463   if (suppressBorderElement())
8464   {
8465     ed_xsize = max_ed_fieldx;
8466     ed_ysize = max_ed_fieldy;
8467   }
8468
8469   /* check if we need any scrollbars */
8470   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
8471   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
8472
8473   /* check if we have a smaller editor field because of scrollbars */
8474   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
8475   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
8476
8477   /* check again if we now need more scrollbars because of less space */
8478   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
8479   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
8480
8481   /* check if editor field gets even smaller after adding new scrollbars */
8482   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
8483   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
8484
8485   ed_fieldx = (ed_xsize > max_ed_fieldx ? max_ed_fieldx : ed_xsize);
8486   ed_fieldy = (ed_ysize > max_ed_fieldy ? max_ed_fieldy : ed_ysize);
8487
8488   x = SX + ed_fieldx * ed_tilesize;
8489   y = SY + ed_fieldy * ed_tilesize;
8490
8491   width  = ed_fieldx * ed_tilesize - 2 * ED_SCROLLBUTTON_XSIZE;
8492   height = ed_fieldy * ed_tilesize - 2 * ED_SCROLLBUTTON_YSIZE;
8493
8494   /* adjust drawing area gadget */
8495   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
8496                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
8497                GDI_ITEM_SIZE, ed_tilesize, ed_tilesize,
8498                GDI_END);
8499
8500   /* adjust horizontal scrollbar gadgets */
8501   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LEFT],
8502                GDI_Y, y,
8503                GDI_END);
8504   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT],
8505                GDI_X, x - ED_SCROLLBUTTON_XSIZE,
8506                GDI_Y, y,
8507                GDI_END);
8508   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
8509                GDI_Y, y,
8510                GDI_WIDTH, width,
8511                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
8512                GDI_END);
8513
8514   /* adjust vertical scrollbar gadgets */
8515   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_UP],
8516                GDI_X, x,
8517                GDI_END);
8518   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN],
8519                GDI_X, x,
8520                GDI_Y, y - ED_SCROLLBUTTON_YSIZE,
8521                GDI_END);
8522   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
8523                GDI_X, x,
8524                GDI_HEIGHT, height,
8525                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
8526                GDI_END);
8527 }
8528
8529 static void AdjustLevelScrollPosition()
8530 {
8531   if (level_xpos < -1)
8532     level_xpos = -1;
8533   if (level_xpos > lev_fieldx - ed_fieldx + 1)
8534     level_xpos = lev_fieldx - ed_fieldx + 1;
8535   if (lev_fieldx < ed_fieldx - 2)
8536     level_xpos = -1;
8537
8538   if (level_ypos < -1)
8539     level_ypos = -1;
8540   if (level_ypos > lev_fieldy - ed_fieldy + 1)
8541     level_ypos = lev_fieldy - ed_fieldy + 1;
8542   if (lev_fieldy < ed_fieldy - 2)
8543     level_ypos = -1;
8544
8545   if (suppressBorderElement())
8546   {
8547     level_xpos = 0;
8548     level_ypos = 0;
8549   }
8550 }
8551
8552 static void AdjustEditorScrollbar(int id)
8553 {
8554   struct GadgetInfo *gi = level_editor_gadget[id];
8555   int items_max, items_visible, item_position;
8556
8557   if (id == GADGET_ID_SCROLL_HORIZONTAL)
8558   {
8559     items_max = MAX(lev_fieldx + 2, ed_fieldx);
8560     items_visible = ed_fieldx;
8561     item_position = level_xpos + 1;
8562   }
8563   else
8564   {
8565     items_max = MAX(lev_fieldy + 2, ed_fieldy);
8566     items_visible = ed_fieldy;
8567     item_position = level_ypos + 1;
8568   }
8569
8570   if (item_position > items_max - items_visible)
8571     item_position = items_max - items_visible;
8572
8573   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
8574                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
8575 }
8576
8577 static void AdjustElementListScrollbar()
8578 {
8579   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
8580   int items_max, items_visible, item_position;
8581
8582   /* correct position of element list scrollbar */
8583   if (element_shift < 0)
8584     element_shift = 0;
8585   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
8586     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
8587
8588   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
8589   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
8590   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
8591
8592   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
8593                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
8594                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
8595 }
8596
8597 static void ModifyEditorCounterValue(int counter_id, int new_value)
8598 {
8599   int *counter_value = counterbutton_info[counter_id].value;
8600   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
8601   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8602
8603   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
8604
8605   if (counter_value != NULL)
8606     *counter_value = gi->textinput.number_value;
8607 }
8608
8609 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
8610 {
8611   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
8612   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8613
8614   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
8615
8616   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
8617       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
8618   {
8619     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
8620     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
8621
8622     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
8623     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_SMALL_DISTANCE,
8624                  GDI_END);
8625   }
8626 }
8627
8628 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
8629 {
8630   int gadget_id = selectbox_info[selectbox_id].gadget_id;
8631   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8632   int new_index_value = setSelectboxValue(selectbox_id, new_value);
8633
8634   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
8635 }
8636
8637 static void ModifyEditorSelectboxOptions(int selectbox_id,
8638                                          struct ValueTextInfo *options)
8639 {
8640   int gadget_id = selectbox_info[selectbox_id].gadget_id;
8641   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8642
8643   selectbox_info[selectbox_id].options = options;
8644
8645   /* set index to zero -- list may be shorter now (correct later, if needed) */
8646   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
8647                GDI_SELECTBOX_OPTIONS, options, GDI_END);
8648 }
8649
8650 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
8651 {
8652   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
8653   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8654
8655   drawingarea_info[drawingarea_id].area_xsize = xsize;
8656   drawingarea_info[drawingarea_id].area_ysize = ysize;
8657
8658   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
8659 }
8660
8661 static void ModifyEditorElementList()
8662 {
8663   int i;
8664
8665   if (!use_permanent_palette && edit_mode != ED_MODE_PALETTE)
8666     return;
8667
8668   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
8669   {
8670     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
8671     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8672     struct GadgetDesign *gd = &gi->deco.design;
8673     int element = editor_elements[element_shift + i];
8674     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
8675
8676     UnmapGadget(gi);
8677
8678     getEditorGraphicSource(element, tile_size, &gd->bitmap, &gd->x, &gd->y);
8679
8680     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
8681
8682     MapGadget(gi);
8683   }
8684 }
8685
8686 static void DrawDrawingElementGraphic(int element, struct XYTileSize *pos)
8687 {
8688   int graphic = el2edimg(element);
8689   int tile_size = BUTTON_TILE_SIZE(pos->tile_size);
8690
8691   if (pos->x == -1 &&
8692       pos->y == -1)
8693     return;
8694
8695   DrawSizedGraphicExt(drawto, DX + pos->x, DY + pos->y, graphic, 0, tile_size);
8696 }
8697
8698 static void ModifyDrawingElementButton(int element, int id)
8699 {
8700   struct GadgetInfo *gi = level_editor_gadget[id];
8701   Bitmap *deco_bitmap;
8702   int deco_x, deco_y;
8703   int tile_size = gi->deco.width;
8704
8705   getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
8706
8707   ModifyGadget(gi, GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y, GDI_END);
8708 }
8709
8710 static void PickDrawingElement(int button, int element)
8711 {
8712   struct
8713   {
8714     int *new_element;
8715     struct XYTileSize *pos;
8716     int id;
8717   } de, drawing_elements[] =
8718   {
8719     { &new_element1, &editor.palette.element_left,   GADGET_ID_ELEMENT_LEFT   },
8720     { &new_element2, &editor.palette.element_middle, GADGET_ID_ELEMENT_MIDDLE },
8721     { &new_element3, &editor.palette.element_right,  GADGET_ID_ELEMENT_RIGHT  },
8722   };
8723
8724   if (button < 1 || button > 3)
8725     return;
8726
8727   if (IS_MM_WALL(element))
8728     element = map_mm_wall_element(element);
8729
8730   de = drawing_elements[button - 1];
8731
8732   *de.new_element = element;    // update global drawing element variable
8733
8734   DrawDrawingElementGraphic(element, de.pos);
8735   ModifyDrawingElementButton(element, de.id);
8736
8737   redraw_mask |= REDRAW_DOOR_1;
8738 }
8739
8740 static void RedrawDrawingElements()
8741 {
8742   PickDrawingElement(1, new_element1);
8743   PickDrawingElement(2, new_element2);
8744   PickDrawingElement(3, new_element3);
8745 }
8746
8747 static void DrawDrawingWindowExt(boolean remap_toolbox_gadgets)
8748 {
8749   stick_element_properties_window = FALSE;
8750
8751   SetMainBackgroundImage(IMG_UNDEFINED);
8752   ClearField();
8753
8754   UnmapLevelEditorFieldGadgets();
8755
8756   AdjustDrawingAreaGadgets();
8757   AdjustLevelScrollPosition();
8758   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
8759   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
8760
8761   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
8762
8763   MapMainDrawingArea();
8764
8765   if (remap_toolbox_gadgets)
8766   {
8767     UnmapLevelEditorToolboxCustomGadgets();
8768     MapLevelEditorToolboxDrawingGadgets();
8769   }
8770 }
8771
8772 static void DrawDrawingWindow()
8773 {
8774   DrawDrawingWindowExt(TRUE);
8775 }
8776
8777 static void DrawDrawingWindow_PlayfieldOnly()
8778 {
8779   DrawDrawingWindowExt(FALSE);
8780 }
8781
8782 static int getTabulatorBarWidth()
8783 {
8784   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
8785   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
8786
8787   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
8788 }
8789
8790 static int getTabulatorBarHeight()
8791 {
8792   return ED_TAB_BAR_HEIGHT;
8793 }
8794
8795 static Pixel getTabulatorBarColor()
8796 {
8797   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
8798   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
8799   int gd_x = gd->x + gd_gi1->border.width / 2;
8800   int gd_y = gd->y + gd_gi1->height - 1;
8801
8802   return GetPixel(gd->bitmap, gd_x, gd_y);
8803 }
8804
8805 static void DrawLevelInfoTabulatorGadgets()
8806 {
8807   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
8808   Pixel tab_color = getTabulatorBarColor();
8809   int id_first = ED_TAB_BUTTON_ID_LEVELINFO_FIRST;
8810   int id_last  = ED_TAB_BUTTON_ID_LEVELINFO_LAST;
8811   int i;
8812
8813   for (i = id_first; i <= id_last; i++)
8814   {
8815     int gadget_id = textbutton_info[i].gadget_id;
8816     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8817     boolean active = (i != edit_mode_levelinfo);
8818
8819     /* draw background line below tabulator button */
8820     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
8821
8822     /* draw solid line below inactive tabulator buttons */
8823     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
8824       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
8825                     ED_GADGET_TINY_DISTANCE, tab_color);
8826
8827     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
8828     MapTextbuttonGadget(i);
8829   }
8830
8831   /* draw little border line below tabulator buttons */
8832   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
8833     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
8834                   ED_GADGET_TINY_DISTANCE,
8835                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
8836 }
8837
8838 static void DrawPropertiesTabulatorGadgets()
8839 {
8840   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
8841   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
8842   int gd_x = gd->x + gd_gi1->border.width / 2;
8843   int gd_y = gd->y + gd_gi1->height - 1;
8844   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
8845   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
8846   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
8847   int i;
8848
8849   /* draw two config tabulators for player elements */
8850   if (ELEM_IS_PLAYER(properties_element))
8851     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
8852
8853   /* draw two config and one "change" tabulator for custom elements */
8854   if (IS_CUSTOM_ELEMENT(properties_element))
8855     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
8856
8857   for (i = id_first; i <= id_last; i++)
8858   {
8859     int gadget_id = textbutton_info[i].gadget_id;
8860     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8861     boolean active = (i != edit_mode_properties);
8862
8863     /* use "config 1" and "config 2" instead of "config" for players and CEs */
8864     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
8865         (ELEM_IS_PLAYER(properties_element) ||
8866          IS_CUSTOM_ELEMENT(properties_element)))
8867       continue;
8868
8869     /* draw background line below tabulator button */
8870     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
8871
8872     /* draw solid line below inactive tabulator buttons */
8873     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
8874       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
8875                     ED_GADGET_TINY_DISTANCE, tab_color);
8876
8877     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
8878     MapTextbuttonGadget(i);
8879   }
8880
8881   /* draw little border line below tabulator buttons */
8882   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
8883     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
8884                   ED_GADGET_TINY_DISTANCE,
8885                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
8886 }
8887
8888 static void PrintInfoText(char *text, int font_nr, int xpos, int ypos)
8889 {
8890   DrawText(SX + xpos, SY + ypos, text, font_nr);
8891 }
8892
8893 static int PrintElementDescriptionFromFile(char *filename, int font_nr,
8894                                            int xpos, int ypos)
8895 {
8896   int font_width = getFontWidth(font_nr);
8897   int font_height = getFontHeight(font_nr);
8898   int max_chars_per_line = (SXSIZE - 2 * xpos) / font_width;
8899   int max_lines_drawable = (SYSIZE - ypos) / font_height - 1;
8900
8901   return DrawTextFile(SX + xpos, SY + ypos, filename, font_nr,
8902                       max_chars_per_line, -1, max_lines_drawable, 0, -1,
8903                       TRUE, FALSE, FALSE);
8904 }
8905
8906 static void DrawLevelInfoLevel()
8907 {
8908   int i;
8909
8910   /* draw counter gadgets */
8911   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
8912     MapCounterButtons(i);
8913
8914   /* draw checkbutton gadgets */
8915   for (i = ED_CHECKBUTTON_ID_LEVEL_FIRST; i<= ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
8916     MapCheckbuttonGadget(i);
8917
8918   /* draw selectbox gadgets */
8919   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
8920     MapSelectboxGadget(i);
8921
8922   /* draw text input gadgets */
8923   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
8924     MapTextInputGadget(i);
8925 }
8926
8927 static char *getLevelSubdirFromSaveMode(int save_mode)
8928 {
8929   if (save_mode == LEVELSET_SAVE_MODE_CREATE)
8930     return getNewUserLevelSubdir();
8931
8932   return leveldir_current->subdir;
8933 }
8934
8935 static void DrawLevelInfoLevelSet_DirectoryInfo()
8936 {
8937   char *directory_text = "Level set directory:";
8938   char *directory_name = getLevelSubdirFromSaveMode(levelset_save_mode);
8939   int font1_nr = FONT_TEXT_1;
8940   int font2_nr = FONT_TEXT_2;
8941   int font1_height = getFontHeight(font1_nr);
8942   int yoffset_above = font1_height + ED_GADGET_LINE_DISTANCE;
8943   int x = ED_LEVEL_SETTINGS_X(0);
8944   int y = ED_LEVEL_SETTINGS_Y(6);
8945
8946   PrintInfoText(directory_text, font1_nr, x, y - yoffset_above);
8947   PrintInfoText(directory_name, font2_nr, x, y);
8948 }
8949
8950 static void DrawLevelInfoLevelSet()
8951 {
8952   int i;
8953
8954   /* draw counter gadgets */
8955   for (i = ED_COUNTER_ID_LEVELSET_FIRST; i <= ED_COUNTER_ID_LEVELSET_LAST; i++)
8956     MapCounterButtons(i);
8957
8958   /* draw selectbox gadgets */
8959   for (i = ED_SELECTBOX_ID_LEVELSET_FIRST; i <= ED_SELECTBOX_ID_LEVELSET_LAST; i++)
8960     MapSelectboxGadget(i);
8961
8962   /* draw text input gadgets */
8963   for (i = ED_TEXTINPUT_ID_LEVELSET_FIRST; i <= ED_TEXTINPUT_ID_LEVELSET_LAST; i++)
8964     MapTextInputGadget(i);
8965
8966   /* draw textbutton gadgets */
8967   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_LEVELSET);
8968
8969   /* draw info text */
8970   DrawLevelInfoLevelSet_DirectoryInfo();
8971 }
8972
8973 static void DrawLevelInfoEditor()
8974 {
8975   int i;
8976
8977   /* draw counter gadgets */
8978   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
8979     MapCounterButtons(i);
8980
8981   /* draw checkbutton gadgets */
8982   for (i=ED_CHECKBUTTON_ID_EDITOR_FIRST; i<= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
8983     MapCheckbuttonGadget(i);
8984
8985   /* draw radiobutton gadgets */
8986   for (i=ED_RADIOBUTTON_ID_EDITOR_FIRST; i<= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
8987     MapRadiobuttonGadget(i);
8988
8989   /* draw drawing area */
8990   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
8991
8992   /* draw textbutton gadgets */
8993   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2);
8994 }
8995
8996 static void DrawLevelInfoWindow()
8997 {
8998   char *text = "Global Settings";
8999   int font_nr = FONT_TITLE_1;
9000   struct MenuPosInfo *pos = &editor.settings.headline;
9001   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font_nr), pos->align);
9002   int sy = SY + pos->y;
9003
9004   stick_element_properties_window = FALSE;
9005
9006   SetAutomaticNumberOfGemsNeeded();
9007
9008   UnmapLevelEditorFieldGadgets();
9009
9010   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
9011   ClearField();
9012
9013   DrawText(sx, sy, text, font_nr);
9014
9015   DrawLevelInfoTabulatorGadgets();
9016
9017   if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVEL)
9018     DrawLevelInfoLevel();
9019   else if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVELSET)
9020     DrawLevelInfoLevelSet();
9021   else if (edit_mode_levelinfo == ED_MODE_LEVELINFO_EDITOR)
9022     DrawLevelInfoEditor();
9023 }
9024
9025 static void DrawCustomContentArea()
9026 {
9027   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
9028   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
9029   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
9030   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
9031   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
9032   int xoffset = ED_GADGET_SPACE_DISTANCE;
9033
9034   /* add distance for potential left text (without drawing area border) */
9035   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
9036
9037   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
9038
9039   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
9040 }
9041
9042 static void DrawCustomChangeContentArea()
9043 {
9044   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
9045   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
9046   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
9047   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
9048   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
9049   int xoffset = ED_GADGET_SPACE_DISTANCE;
9050
9051   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
9052
9053   MapDrawingArea(id);
9054 }
9055
9056 static void RemoveElementContentArea(int id, int font_height)
9057 {
9058   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9059
9060   DrawBackground(SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size,
9061                  SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size,
9062                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9063                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size +
9064                  ED_GADGET_TEXT_DISTANCE + font_height);
9065 }
9066
9067 static void DrawYamYamContentAreas()
9068 {
9069   int font_nr = FONT_TEXT_1;
9070   int font_height = getFontHeight(font_nr);
9071   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
9072   int yoffset = (tilesize - font_height) / 2;
9073   int x = SX + ED_AREA_YAMYAM_CONTENT_X(3) + 4 * tilesize;
9074   int y = SY + ED_AREA_YAMYAM_CONTENT_Y(3) + yoffset;
9075   int i;
9076
9077   /* display counter to choose number of element content areas */
9078   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
9079
9080   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
9081   {
9082     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
9083
9084     if (i < level.num_yamyam_contents)
9085     {
9086       MapDrawingArea(id);
9087     }
9088     else
9089     {
9090       UnmapDrawingArea(id);
9091
9092       /* delete content areas in case of reducing number of them */
9093       RemoveElementContentArea(id, font_height);
9094     }
9095   }
9096
9097   DrawText(x, y + 0 * tilesize, "content", font_nr);
9098   DrawText(x, y + 1 * tilesize, "when",    font_nr);
9099   DrawText(x, y + 2 * tilesize, "smashed", font_nr);
9100 }
9101
9102 static void DrawMagicBallContentAreas()
9103 {
9104   int font_nr = FONT_TEXT_1;
9105   int font_height = getFontHeight(font_nr);
9106   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
9107   int yoffset = (tilesize - font_height) / 2;
9108   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_X(3) + 4 * tilesize;
9109   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_Y(3) + yoffset;
9110   int i;
9111
9112   /* display counter to choose number of element content areas */
9113   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
9114
9115   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
9116   {
9117     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
9118
9119     if (i < level.num_ball_contents)
9120     {
9121       MapDrawingArea(id);
9122     }
9123     else
9124     {
9125       UnmapDrawingArea(id);
9126
9127       /* delete content areas in case of reducing number of them */
9128       RemoveElementContentArea(id, font_height);
9129     }
9130   }
9131
9132   DrawText(x, y + 0 * tilesize, "generated", font_nr);
9133   DrawText(x, y + 1 * tilesize, "when",      font_nr);
9134   DrawText(x, y + 2 * tilesize, "active",    font_nr);
9135 }
9136
9137 static void DrawAndroidElementArea(int element)
9138 {
9139   int id = ED_DRAWING_ID_ANDROID_CONTENT;
9140   int num_elements = level.num_android_clone_elements;
9141   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9142   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9143   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9144   int xsize = MAX_ANDROID_ELEMENTS;
9145   int ysize = 1;
9146
9147   /* display counter to choose number of element areas */
9148   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
9149
9150   if (drawingarea_info[id].text_left != NULL)
9151     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9152
9153   UnmapDrawingArea(id);
9154
9155   ModifyEditorDrawingArea(id, num_elements, 1);
9156
9157   /* delete content areas in case of reducing number of them */
9158   DrawBackground(sx, sy,
9159                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9160                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9161
9162   MapDrawingArea(id);
9163 }
9164
9165 static void DrawGroupElementArea(int element)
9166 {
9167   int id = ED_DRAWING_ID_GROUP_CONTENT;
9168   int num_elements = group_element_info.num_elements;
9169   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9170   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9171   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9172   int xsize = MAX_ELEMENTS_IN_GROUP;
9173   int ysize = 1;
9174
9175   if (drawingarea_info[id].text_left != NULL)
9176     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9177
9178   UnmapDrawingArea(id);
9179
9180   ModifyEditorDrawingArea(id, num_elements, 1);
9181
9182   /* delete content areas in case of reducing number of them */
9183   DrawBackground(sx, sy,
9184                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9185                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9186
9187   MapDrawingArea(id);
9188 }
9189
9190 static void DrawPlayerInitialInventoryArea(int element)
9191 {
9192   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
9193   int player_nr = GET_PLAYER_NR(element);
9194   int num_elements = level.initial_inventory_size[player_nr];
9195   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9196   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9197   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9198   int xsize = MAX_INITIAL_INVENTORY_SIZE;
9199   int ysize = 1;
9200
9201   /* determine horizontal position to the right of specified gadget */
9202   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
9203     sx = (right_gadget_border[drawingarea_info[id].gadget_id_align] +
9204           ED_DRAWINGAREA_TEXT_DISTANCE);
9205
9206   /* determine horizontal offset for leading text */
9207   if (drawingarea_info[id].text_left != NULL)
9208     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9209
9210   UnmapDrawingArea(id);
9211
9212   ModifyEditorDrawingArea(id, num_elements, 1);
9213
9214   /* delete content areas in case of reducing number of them */
9215   DrawBackground(sx, sy,
9216                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9217                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9218
9219   MapDrawingArea(id);
9220 }
9221
9222 static void DrawEnvelopeTextArea(int envelope_nr)
9223 {
9224   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
9225   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
9226
9227   UnmapGadget(gi);
9228   DrawBackground(gi->x, gi->y, gi->width, gi->height);
9229
9230   if (envelope_nr != -1)
9231     textarea_info[id].value = level.envelope[envelope_nr].text;
9232
9233   ModifyGadget(gi, GDI_AREA_SIZE,
9234                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
9235                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
9236                GDI_END);
9237
9238   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
9239 }
9240
9241 static void DrawPropertiesInfo()
9242 {
9243   static struct
9244   {
9245     int value;
9246     char *text;
9247   }
9248   properties[] =
9249   {
9250     /* configurable properties */
9251
9252     { EP_WALKABLE_OVER,         "- player can walk over it"             },
9253     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
9254     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
9255     { EP_PASSABLE_OVER,         "- player can pass over it"             },
9256     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
9257     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
9258     { EP_PROTECTED,             "- player is protected by it"           },
9259
9260     { EP_DIGGABLE,              "- can be digged away"                  },
9261     { EP_COLLECTIBLE,           "- can be collected"                    },
9262     { EP_DROPPABLE,             "- can be dropped after collecting"     },
9263     { EP_THROWABLE,             "- can be thrown after collecting"      },
9264     { EP_PUSHABLE,              "- can be pushed"                       },
9265
9266     { EP_CAN_FALL,              "- can fall"                            },
9267     { EP_CAN_MOVE,              "- can move"                            },
9268
9269     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
9270 #if 0
9271     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
9272 #endif
9273     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
9274
9275     { EP_SLIPPERY,              "- slippery for falling elements"       },
9276     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
9277
9278     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
9279     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
9280     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
9281     { EP_DONT_TOUCH,            "- deadly when touching"                },
9282
9283     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
9284
9285     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
9286     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
9287     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
9288
9289     { EP_CAN_CHANGE,            "- can change to other element"         },
9290
9291     /* pre-defined properties */
9292     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
9293     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
9294     { EP_SWITCHABLE,            "- can be switched"                     },
9295 #if 0
9296     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
9297 #endif
9298
9299     { -1,                       NULL                                    }
9300   };
9301   char *filename = getElementDescriptionFilename(properties_element);
9302   char *percentage_text = "In this level: ";
9303   char *properties_text = "Standard properties: ";
9304   char *description_text = "Description:";
9305   char *no_description_text = "No description available.";
9306   char *none_text = "None";
9307   float percentage;
9308   int num_elements_in_level;
9309   int num_standard_properties = 0;
9310   int font1_nr = FONT_TEXT_1;
9311   int font2_nr = FONT_TEXT_2;
9312   int font1_width = getFontWidth(font1_nr);
9313   int font1_height = getFontHeight(font1_nr);
9314   int font2_height = getFontHeight(font2_nr);
9315   int line1_height = font1_height + ED_GADGET_LINE_DISTANCE;
9316   int font2_yoffset = (font1_height - font2_height) / 2;
9317   int percentage_text_len = strlen(percentage_text) * font1_width;
9318   int properties_text_len = strlen(properties_text) * font1_width;
9319   int xpos = ED_ELEMENT_SETTINGS_X(0);
9320   int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
9321   int i, x, y;
9322
9323   if (setup.editor.show_element_token)
9324   {
9325     int font3_nr = FONT_TEXT_3;
9326     int font3_height = getFontHeight(font3_nr);
9327
9328     DrawTextF(xpos, ypos, font3_nr,
9329               "[%s]", element_info[properties_element].token_name);
9330
9331     ypos += 2 * font3_height;
9332   }
9333
9334   /* ----- print number of elements / percentage of this element in level */
9335
9336   num_elements_in_level = 0;
9337   for (y = 0; y < lev_fieldy; y++)
9338     for (x = 0; x < lev_fieldx; x++)
9339       if (Feld[x][y] == properties_element)
9340         num_elements_in_level++;
9341   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
9342
9343   DrawTextS(xpos, ypos, font1_nr, percentage_text);
9344
9345   if (num_elements_in_level > 0)
9346     DrawTextF(xpos + percentage_text_len, ypos + font2_yoffset, font2_nr,
9347               "%d (%.2f %%)", num_elements_in_level, percentage);
9348   else
9349     DrawTextF(xpos + percentage_text_len, ypos + font2_yoffset, font2_nr,
9350               none_text);
9351
9352   ypos += 2 * MAX(font1_height, font2_height);
9353
9354   /* ----- print standard properties of this element */
9355
9356   DrawTextS(xpos, ypos, font1_nr, properties_text);
9357
9358   ypos += line1_height;
9359
9360   for (i = 0; properties[i].value != -1; i++)
9361   {
9362     if (!HAS_PROPERTY(properties_element, properties[i].value))
9363       continue;
9364
9365     DrawTextS(xpos, ypos, font2_nr, properties[i].text);
9366
9367     ypos += font2_height;
9368
9369     num_standard_properties++;
9370   }
9371
9372   if (num_standard_properties == 0)
9373   {
9374     DrawTextS(xpos + properties_text_len, ypos - line1_height + font2_yoffset,
9375               font2_nr, none_text);
9376
9377     ypos -= (line1_height - font1_height);
9378   }
9379
9380   ypos += MAX(font1_height, font2_height);
9381
9382   /* ----- print special description of this element */
9383
9384   PrintInfoText(description_text, font1_nr, xpos, ypos);
9385
9386   ypos += line1_height;
9387
9388   if (PrintElementDescriptionFromFile(filename, font2_nr, xpos, ypos) == 0)
9389     PrintInfoText(no_description_text, font1_nr, xpos, ypos - line1_height);
9390 }
9391
9392 #define TEXT_COLLECTING         "Score for collecting"
9393 #define TEXT_SMASHING           "Score for smashing"
9394 #define TEXT_SLURPING           "Score for slurping robot"
9395 #define TEXT_CRACKING           "Score for cracking"
9396 #define TEXT_AMOEBA_SPEED       "Speed of amoeba growth"
9397 #define TEXT_DURATION           "Duration when activated"
9398 #define TEXT_DELAY_ON           "Delay before activating"
9399 #define TEXT_DELAY_OFF          "Delay before deactivating"
9400 #define TEXT_DELAY_EXPLODING    "Delay before exploding"
9401 #define TEXT_DELAY_MOVING       "Delay before moving"
9402 #define TEXT_BALL_DELAY         "Element generation delay"
9403 #define TEXT_MOVE_SPEED         "Speed of android moving"
9404 #define TEXT_CLONE_SPEED        "Speed of android cloning"
9405 #define TEXT_GAME_OF_LIFE_1     "Min neighbours to survive"
9406 #define TEXT_GAME_OF_LIFE_2     "Max neighbours to survive"
9407 #define TEXT_GAME_OF_LIFE_3     "Min neighbours to create"
9408 #define TEXT_GAME_OF_LIFE_4     "Max neighbours to create"
9409 #define TEXT_TIME_BONUS         "Extra time to solve level"
9410
9411 static struct
9412 {
9413   int element;
9414   int *value;
9415   char *text;
9416 } elements_with_counter[] =
9417 {
9418   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
9419   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
9420   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
9421   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
9422   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
9423   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
9424   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
9425   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
9426   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
9427   { EL_BUG,             &level.score[SC_BUG],           TEXT_SMASHING   },
9428   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
9429   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
9430   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
9431   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
9432   { EL_BD_BUTTERFLY,    &level.score[SC_BUG],           TEXT_SMASHING   },
9433   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
9434   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
9435   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
9436   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
9437   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
9438   { EL_SPACESHIP,       &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9439   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9440   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9441   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9442   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9443   { EL_BD_FIREFLY,      &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9444   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9445   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9446   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9447   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9448   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9449   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9450   { EL_YAMYAM_LEFT,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9451   { EL_YAMYAM_RIGHT,    &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9452   { EL_YAMYAM_UP,       &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9453   { EL_YAMYAM_DOWN,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9454   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9455   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
9456   { EL_PACMAN,          &level.score[SC_PACMAN],        TEXT_SMASHING   },
9457   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
9458   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
9459   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
9460   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
9461   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
9462   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
9463   { EL_EM_DYNAMITE,     &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
9464   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
9465   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],TEXT_COLLECTING },
9466   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],TEXT_COLLECTING },
9467   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
9468   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
9469   { EL_EXTRA_TIME,      &level.extra_time_score,        TEXT_COLLECTING },
9470   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
9471   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
9472   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
9473   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
9474   { EL_EM_KEY_1,        &level.score[SC_KEY],           TEXT_COLLECTING },
9475   { EL_EM_KEY_2,        &level.score[SC_KEY],           TEXT_COLLECTING },
9476   { EL_EM_KEY_3,        &level.score[SC_KEY],           TEXT_COLLECTING },
9477   { EL_EM_KEY_4,        &level.score[SC_KEY],           TEXT_COLLECTING },
9478   { EL_EMC_KEY_5,       &level.score[SC_KEY],           TEXT_COLLECTING },
9479   { EL_EMC_KEY_6,       &level.score[SC_KEY],           TEXT_COLLECTING },
9480   { EL_EMC_KEY_7,       &level.score[SC_KEY],           TEXT_COLLECTING },
9481   { EL_EMC_KEY_8,       &level.score[SC_KEY],           TEXT_COLLECTING },
9482   { EL_DC_KEY_WHITE,    &level.score[SC_KEY],           TEXT_COLLECTING },
9483   { EL_MM_KETTLE,       &level.score[SC_EMERALD],       TEXT_COLLECTING },
9484   { EL_DF_CELL,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
9485   { EL_MM_KEY,          &level.score[SC_KEY],           TEXT_COLLECTING },
9486   { EL_MM_LIGHTBALL,    &level.score[SC_ELEM_BONUS],    TEXT_COLLECTING },
9487   { EL_MM_PACMAN,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
9488   { EL_MM_PACMAN_RIGHT, &level.score[SC_PACMAN],        TEXT_SMASHING   },
9489   { EL_MM_PACMAN_UP,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
9490   { EL_MM_PACMAN_LEFT,  &level.score[SC_PACMAN],        TEXT_SMASHING   },
9491   { EL_MM_PACMAN_DOWN,  &level.score[SC_PACMAN],        TEXT_SMASHING   },
9492   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9493   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9494   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9495   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9496   { EL_EMC_DRIPPER,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9497   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
9498   { EL_BD_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
9499   { EL_DC_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
9500   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
9501
9502   { EL_TIMEGATE_SWITCH,   &level.time_timegate,         TEXT_DURATION   },
9503   { EL_DC_TIMEGATE_SWITCH,&level.time_timegate,         TEXT_DURATION   },
9504   { EL_LIGHT_SWITCH,    &level.time_light,              TEXT_DURATION   },
9505   { EL_LIGHT_SWITCH_ACTIVE, &level.time_light,          TEXT_DURATION   },
9506   { EL_SHIELD_NORMAL,   &level.shield_normal_time,      TEXT_DURATION   },
9507   { EL_SHIELD_DEADLY,   &level.shield_deadly_time,      TEXT_DURATION   },
9508   { EL_EXTRA_TIME,      &level.extra_time,              TEXT_TIME_BONUS },
9509   { EL_TIME_ORB_FULL,   &level.time_orb_time,           TEXT_TIME_BONUS },
9510   { EL_GAME_OF_LIFE,    &level.game_of_life[0],         TEXT_GAME_OF_LIFE_1 },
9511   { EL_GAME_OF_LIFE,    &level.game_of_life[1],         TEXT_GAME_OF_LIFE_2 },
9512   { EL_GAME_OF_LIFE,    &level.game_of_life[2],         TEXT_GAME_OF_LIFE_3 },
9513   { EL_GAME_OF_LIFE,    &level.game_of_life[3],         TEXT_GAME_OF_LIFE_4 },
9514   { EL_BIOMAZE,         &level.biomaze[0],              TEXT_GAME_OF_LIFE_1 },
9515   { EL_BIOMAZE,         &level.biomaze[1],              TEXT_GAME_OF_LIFE_2 },
9516   { EL_BIOMAZE,         &level.biomaze[2],              TEXT_GAME_OF_LIFE_3 },
9517   { EL_BIOMAZE,         &level.biomaze[3],              TEXT_GAME_OF_LIFE_4 },
9518
9519   { EL_EMC_ANDROID,     &level.android_move_time,       TEXT_MOVE_SPEED },
9520   { EL_EMC_ANDROID,     &level.android_clone_time,      TEXT_CLONE_SPEED },
9521   { EL_EMC_MAGIC_BALL,  &level.ball_time,               TEXT_BALL_DELAY },
9522   { EL_EMC_LENSES,      &level.lenses_score,            TEXT_COLLECTING },
9523   { EL_EMC_MAGNIFIER,   &level.magnify_score,           TEXT_COLLECTING },
9524   { EL_SPRING,          &level.slurp_score,             TEXT_SLURPING   },
9525   { EL_EMC_LENSES,      &level.lenses_time,             TEXT_DURATION   },
9526   { EL_EMC_MAGNIFIER,   &level.magnify_time,            TEXT_DURATION   },
9527   { EL_MM_FUSE_ACTIVE,  &level.mm_time_fuse,            TEXT_DELAY_OFF  },
9528   { EL_MM_BOMB,         &level.mm_time_bomb,            TEXT_DELAY_EXPLODING },
9529   { EL_MM_GRAY_BALL,    &level.mm_time_ball,            TEXT_DELAY_ON   },
9530   { EL_MM_STEEL_BLOCK,  &level.mm_time_block,           TEXT_DELAY_MOVING },
9531   { EL_MM_WOODEN_BLOCK, &level.mm_time_block,           TEXT_DELAY_MOVING },
9532
9533   { -1,                 NULL,                           NULL            }
9534 };
9535
9536 static boolean checkPropertiesConfig(int element)
9537 {
9538   int i;
9539
9540   if (IS_GEM(element) ||
9541       IS_CUSTOM_ELEMENT(element) ||
9542       IS_GROUP_ELEMENT(element) ||
9543       IS_BALLOON_ELEMENT(element) ||
9544       IS_ENVELOPE(element) ||
9545       IS_MM_MCDUFFIN(element) ||
9546       IS_DF_LASER(element) ||
9547       ELEM_IS_PLAYER(element) ||
9548       HAS_EDITOR_CONTENT(element) ||
9549       CAN_GROW(element) ||
9550       COULD_MOVE_INTO_ACID(element) ||
9551       MAYBE_DONT_COLLIDE_WITH(element) ||
9552       element == EL_SOKOBAN_OBJECT ||
9553       element == EL_SOKOBAN_FIELD_EMPTY ||
9554       element == EL_SOKOBAN_FIELD_FULL)
9555     return TRUE;
9556   else
9557     for (i = 0; elements_with_counter[i].element != -1; i++)
9558       if (elements_with_counter[i].element == element)
9559         return TRUE;
9560
9561   return FALSE;
9562 }
9563
9564 static void SetAutomaticNumberOfGemsNeeded()
9565 {
9566   int x, y;
9567
9568   if (!level.auto_count_gems)
9569     return;
9570
9571   level.gems_needed = 0;
9572
9573   for (x = 0; x < lev_fieldx; x++)
9574   {
9575     for (y = 0; y < lev_fieldy; y++)
9576     {
9577       int element = Feld[x][y];
9578
9579       if (IS_GEM(element) ||
9580           element == EL_MM_KETTLE ||
9581           element == EL_DF_CELL)
9582         level.gems_needed++;
9583     }
9584   }
9585
9586   ModifyEditorCounterValue(ED_COUNTER_ID_LEVEL_GEMSLIMIT, level.gems_needed);
9587 }
9588
9589 static void DrawPropertiesConfig()
9590 {
9591   boolean draw_footer_line = FALSE;
9592   int max_num_element_counters = 4;
9593   int num_element_counters = 0;
9594   int i;
9595
9596   if (!checkPropertiesConfig(properties_element))
9597   {
9598     int xpos = ED_ELEMENT_SETTINGS_X(0);
9599     int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
9600
9601     PrintInfoText("No configuration options available.",
9602                   FONT_TEXT_1, xpos, ypos);
9603
9604     return;
9605   }
9606
9607   /* check if there are elements where a value can be chosen for */
9608   for (i = 0; elements_with_counter[i].element != -1; i++)
9609   {
9610     if (elements_with_counter[i].element == properties_element)
9611     {
9612       int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
9613
9614       counterbutton_info[counter_id].y =
9615         ED_ELEMENT_SETTINGS_YPOS(
9616                 (HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
9617                 (CAN_GROW(properties_element)                ? 1 : 0) +
9618                 (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
9619                 (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
9620                 (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
9621                 num_element_counters);
9622
9623       counterbutton_info[counter_id].value = elements_with_counter[i].value;
9624       counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
9625
9626       if (properties_element == EL_GAME_OF_LIFE ||
9627           properties_element == EL_BIOMAZE)
9628       {
9629         counterbutton_info[counter_id].min_value = 0;   /* min neighbours */
9630         counterbutton_info[counter_id].max_value = 8;   /* max neighbours */
9631       }
9632       else
9633       {
9634         /* !!! CHANGE THIS FOR CERTAIN ELEMENTS !!! */
9635         counterbutton_info[counter_id].min_value = MIN_SCORE;
9636         counterbutton_info[counter_id].max_value = MAX_SCORE;
9637       }
9638
9639       MapCounterButtons(counter_id);
9640
9641       num_element_counters++;
9642       if (num_element_counters >= max_num_element_counters)
9643         break;
9644     }
9645   }
9646
9647   if (HAS_EDITOR_CONTENT(properties_element))
9648   {
9649     /* draw stickybutton gadget */
9650     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9651
9652     if (IS_AMOEBOID(properties_element))
9653       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
9654     else if (properties_element == EL_YAMYAM ||
9655              properties_element == EL_YAMYAM_LEFT ||
9656              properties_element == EL_YAMYAM_RIGHT ||
9657              properties_element == EL_YAMYAM_UP ||
9658              properties_element == EL_YAMYAM_DOWN)
9659       DrawYamYamContentAreas();
9660     else if (properties_element == EL_EMC_MAGIC_BALL)
9661     {
9662       DrawMagicBallContentAreas();
9663
9664       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
9665       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_STATE);
9666     }
9667     else if (properties_element == EL_EMC_ANDROID)
9668       DrawAndroidElementArea(properties_element);
9669   }
9670
9671   if (ELEM_IS_PLAYER(properties_element))
9672   {
9673     int player_nr = GET_PLAYER_NR(properties_element);
9674
9675     /* these properties can be set for every player individually */
9676
9677     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
9678     {
9679       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
9680         &level.start_element[player_nr];
9681       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
9682         &level.artwork_element[player_nr];
9683       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
9684         &level.explosion_element[player_nr];
9685
9686       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
9687         &level.use_start_element[player_nr];
9688       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
9689         &level.use_artwork_element[player_nr];
9690       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
9691         &level.use_explosion_element[player_nr];
9692       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
9693         &level.initial_player_gravity[player_nr];
9694
9695       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
9696         &level.initial_player_stepsize[player_nr];
9697
9698       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
9699       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
9700                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
9701                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
9702       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
9703       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
9704       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
9705       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
9706       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_LAZY_RELOCATION);
9707       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
9708       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
9709       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
9710       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
9711       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
9712
9713       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
9714       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
9715       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
9716
9717       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
9718     }
9719     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
9720     {
9721       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
9722         &level.initial_inventory_content[player_nr][0];
9723
9724       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
9725         &level.initial_inventory_size[player_nr];
9726
9727       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
9728         &level.use_initial_inventory[player_nr];
9729
9730       /* draw checkbutton gadgets */
9731       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
9732
9733       /* draw counter gadgets */
9734       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
9735
9736       /* draw drawing area gadgets */
9737       DrawPlayerInitialInventoryArea(properties_element);
9738     }
9739   }
9740
9741   if (IS_GEM(properties_element))
9742     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
9743
9744   if (properties_element == EL_EM_DYNAMITE)
9745     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
9746
9747   if (COULD_MOVE_INTO_ACID(properties_element) &&
9748       !ELEM_IS_PLAYER(properties_element) &&
9749       (!IS_CUSTOM_ELEMENT(properties_element) ||
9750        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
9751   {
9752     /* set position for checkbutton for "can move into acid" */
9753     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
9754       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
9755     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
9756       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 6 :
9757                                IS_BALLOON_ELEMENT(properties_element) ||
9758                                HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
9759
9760     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
9761   }
9762
9763   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
9764     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
9765
9766   if (properties_element == EL_SPRING)
9767     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
9768
9769   if (properties_element == EL_TIME_ORB_FULL)
9770     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
9771
9772   if (CAN_GROW(properties_element))
9773   {
9774     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
9775       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
9776
9777     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
9778   }
9779
9780   if (properties_element == EL_SOKOBAN_OBJECT ||
9781       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
9782       properties_element == EL_SOKOBAN_FIELD_FULL)
9783     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
9784
9785   if (IS_BALLOON_ELEMENT(properties_element))
9786     MapSelectboxGadget(ED_SELECTBOX_ID_WIND_DIRECTION);
9787
9788   if (IS_ENVELOPE(properties_element))
9789   {
9790     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
9791     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
9792     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
9793     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
9794     int envelope_nr = properties_element - EL_ENVELOPE_1;
9795
9796     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
9797     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
9798
9799     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
9800     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
9801
9802     /* display counter to choose size of envelope text area */
9803     MapCounterButtons(counter1_id);
9804     MapCounterButtons(counter2_id);
9805
9806     /* display checkbuttons to choose auto-wrap and alignment properties */
9807     MapCheckbuttonGadget(button1_id);
9808     MapCheckbuttonGadget(button2_id);
9809
9810     DrawEnvelopeTextArea(envelope_nr);
9811   }
9812
9813   if (IS_MM_MCDUFFIN(properties_element))
9814   {
9815     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_RED);
9816     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_GREEN);
9817     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_BLUE);
9818   }
9819
9820   if (IS_DF_LASER(properties_element))
9821   {
9822     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_RED);
9823     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_GREEN);
9824     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_BLUE);
9825   }
9826
9827   if (IS_CUSTOM_ELEMENT(properties_element))
9828   {
9829     /* draw stickybutton gadget */
9830     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9831
9832     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
9833     {
9834       /* draw checkbutton gadgets */
9835       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
9836            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
9837         MapCheckbuttonGadget(i);
9838
9839       /* draw counter gadgets */
9840       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
9841            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
9842         MapCounterButtons(i);
9843
9844       /* draw selectbox gadgets */
9845       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
9846            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
9847         MapSelectboxGadget(i);
9848
9849       /* draw textbutton gadgets */
9850       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
9851
9852       /* draw text input gadgets */
9853       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
9854
9855       /* draw drawing area gadgets */
9856       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
9857
9858       draw_footer_line = TRUE;
9859     }
9860     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
9861     {
9862       /* draw checkbutton gadgets */
9863       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
9864            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
9865         MapCheckbuttonGadget(i);
9866
9867       /* draw counter gadgets */
9868       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
9869            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
9870         MapCounterButtons(i);
9871
9872       /* draw selectbox gadgets */
9873       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
9874            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
9875         MapSelectboxGadget(i);
9876
9877       /* draw drawing area gadgets */
9878       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
9879       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
9880       DrawCustomContentArea();
9881     }
9882   }
9883   else if (IS_GROUP_ELEMENT(properties_element))
9884   {
9885     /* draw stickybutton gadget */
9886     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9887
9888     /* draw checkbutton gadgets */
9889     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
9890     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
9891
9892     /* draw counter gadgets */
9893     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
9894
9895     /* draw selectbox gadgets */
9896     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
9897
9898     /* draw textbutton gadgets */
9899     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
9900
9901     /* draw drawing area gadgets */
9902     DrawGroupElementArea(properties_element);
9903
9904     /* draw text input gadgets */
9905     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
9906
9907     /* draw drawing area gadgets */
9908     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
9909
9910     draw_footer_line = TRUE;
9911   }
9912
9913   /* draw little footer border line above CE/GE use/save template gadgets */
9914   if (draw_footer_line)
9915   {
9916     struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
9917     struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
9918     int gd_x = gd->x + gd_gi1->border.width / 2;
9919     int gd_y = gd->y + gd_gi1->height - 1;
9920     Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
9921
9922     if (tab_color != BLACK_PIXEL)               /* black => transparent */
9923       FillRectangle(drawto,
9924                     SX + ED_ELEMENT_SETTINGS_X(0),
9925                     SY + ED_ELEMENT_SETTINGS_Y(14) - ED_SETTINGS_TABS_YOFFSET -
9926                     ED_TAB_BAR_HEIGHT,
9927                     getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
9928   }
9929 }
9930
9931 static void DrawPropertiesChangeDrawingAreas()
9932 {
9933   if (IS_CUSTOM_ELEMENT(properties_element))
9934   {
9935     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
9936     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
9937     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
9938
9939     DrawCustomChangeContentArea();
9940   }
9941
9942   redraw_mask |= REDRAW_FIELD;
9943 }
9944
9945 static void DrawPropertiesChange()
9946 {
9947   int i;
9948
9949   /* needed to initially set selectbox options for special action options */
9950   setSelectboxSpecialActionOptions();
9951
9952   /* draw stickybutton gadget */
9953   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9954
9955   /* draw checkbutton gadgets */
9956   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
9957        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
9958     MapCheckbuttonGadget(i);
9959
9960   /* draw counter gadgets */
9961   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
9962        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
9963     MapCounterButtons(i);
9964
9965   /* draw selectbox gadgets */
9966   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
9967        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
9968     MapSelectboxGadget(i);
9969
9970   /* draw textbutton gadgets */
9971   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
9972        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
9973     MapTextbuttonGadget(i);
9974
9975   /* draw graphicbutton gadgets */
9976   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
9977        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
9978     MapGraphicbuttonGadget(i);
9979
9980   /* draw drawing area gadgets */
9981   DrawPropertiesChangeDrawingAreas();
9982 }
9983
9984 static void DrawEditorElementAnimation(int x, int y)
9985 {
9986   int graphic = el2img(properties_element);
9987   int frame = (ANIM_MODE(graphic) == ANIM_CE_VALUE ?
9988                custom_element.ce_value_fixed_initial :
9989                ANIM_MODE(graphic) == ANIM_CE_SCORE ?
9990                custom_element.collect_score_initial : FrameCounter);
9991
9992   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
9993 }
9994
9995 static void DrawEditorElementName(int x, int y, int font_nr)
9996 {
9997   char *element_name = getElementInfoText(properties_element);
9998   int font_width = getFontWidth(font_nr);
9999   int font_height = getFontHeight(font_nr);
10000   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_X(0);
10001   int max_chars_per_line = max_text_width / font_width;
10002   char buffer[max_chars_per_line + 1];
10003
10004   if (strlen(element_name) <= max_chars_per_line)
10005     DrawTextS(x, y, font_nr, element_name);
10006   else
10007   {
10008     int next_pos = max_chars_per_line;
10009
10010     strncpy(buffer, element_name, max_chars_per_line);
10011     buffer[max_chars_per_line] = '\0';
10012
10013     if (element_name[max_chars_per_line] == ' ')
10014       next_pos++;
10015     else
10016     {
10017       int i;
10018
10019       for (i = max_chars_per_line - 1; i >= 0; i--)
10020         if (buffer[i] == ' ')
10021           break;
10022
10023       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
10024       {
10025         buffer[i] = '\0';
10026         next_pos = i + 1;
10027       }
10028     }
10029
10030     DrawTextS(x, y - font_height / 2, font_nr, buffer);
10031
10032     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
10033     buffer[max_chars_per_line] = '\0';
10034
10035     DrawTextS(x, y + font_height / 2, font_nr, buffer);
10036   }
10037 }
10038
10039 static void DrawPropertiesWindow()
10040 {
10041   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
10042   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
10043   int border_size = gd->border_size;
10044   int font_nr = FONT_TEXT_1;
10045   int font_height = getFontHeight(font_nr);
10046   int xoffset = TILEX + element_border + 3 * border_size;
10047   int yoffset = (TILEY - font_height) / 2;
10048   int x1 = editor.settings.element_graphic.x + element_border;
10049   int y1 = editor.settings.element_graphic.y + element_border;
10050   int x2 = (editor.settings.element_name.x == -1 ? x1 + xoffset :
10051             editor.settings.element_name.x);
10052   int y2 = (editor.settings.element_name.y == -1 ? y1 + yoffset :
10053             editor.settings.element_name.y);
10054   char *text = "Element Settings";
10055   int font2_nr = FONT_TITLE_1;
10056   struct MenuPosInfo *pos = &editor.settings.headline;
10057   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font2_nr), pos->align);
10058   int sy = SY + pos->y;
10059
10060   stick_element_properties_window = FALSE;
10061
10062   /* make sure that previous properties edit mode exists for this element */
10063   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
10064       !IS_CUSTOM_ELEMENT(properties_element))
10065     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
10066
10067   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
10068       !ELEM_IS_PLAYER(properties_element) &&
10069       !IS_CUSTOM_ELEMENT(properties_element))
10070     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
10071
10072   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
10073       (ELEM_IS_PLAYER(properties_element) ||
10074        IS_CUSTOM_ELEMENT(properties_element)))
10075     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
10076
10077   CopyElementPropertiesToEditor(properties_element);
10078
10079   UnmapLevelEditorFieldGadgets();
10080   UnmapLevelEditorToolboxDrawingGadgets();
10081   UnmapLevelEditorToolboxCustomGadgets();
10082
10083   if (IS_CUSTOM_ELEMENT(properties_element) ||
10084       IS_GROUP_ELEMENT(properties_element))
10085     MapLevelEditorToolboxCustomGadgets();
10086
10087   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
10088   ClearField();
10089
10090   DrawText(sx, sy, text, font2_nr);
10091
10092   FrameCounter = 0;     /* restart animation frame counter */
10093
10094   DrawElementBorder(SX + x1, SY + y1, TILEX, TILEY, FALSE);
10095   DrawEditorElementAnimation(SX + x1, SY + y1);
10096   DrawEditorElementName(x2, y2, font_nr);
10097
10098   DrawPropertiesTabulatorGadgets();
10099
10100   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
10101     DrawPropertiesInfo();
10102   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
10103     DrawPropertiesChange();
10104   else  /* (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2]) */
10105     DrawPropertiesConfig();
10106 }
10107
10108 static void DrawPaletteWindow()
10109 {
10110   int i;
10111
10112   UnmapLevelEditorFieldGadgets();
10113
10114   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
10115   ClearField();
10116
10117   /* map buttons to select elements */
10118   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
10119     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
10120   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
10121   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
10122   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
10123 }
10124
10125 static void UpdateCustomElementGraphicGadgets()
10126 {
10127   int i;
10128
10129   InitElementPropertiesGfxElement();
10130
10131   ModifyEditorElementList();
10132   RedrawDrawingElements();
10133
10134   /* force redraw of all mapped drawing area gadgets */
10135   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
10136   {
10137     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
10138
10139     if (gi->mapped)
10140       MapDrawingArea(i);
10141   }
10142 }
10143
10144 static int getOpenDirectionFromTube(int element)
10145 {
10146   switch (element)
10147   {
10148     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
10149     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
10150     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
10151     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
10152     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
10153     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
10154     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
10155     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
10156     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
10157     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
10158     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
10159   }
10160
10161   return MV_NONE;
10162 }
10163
10164 static int getTubeFromOpenDirection(int direction)
10165 {
10166   switch (direction)
10167   {
10168     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
10169     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
10170     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
10171     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
10172     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
10173     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
10174     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
10175     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
10176     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
10177     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
10178     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
10179
10180     /* if only one direction, fall back to simple tube with that direction */
10181     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
10182     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
10183     case (MV_UP):                       return EL_TUBE_VERTICAL;
10184     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
10185   }
10186
10187   return EL_EMPTY;
10188 }
10189
10190 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
10191 {
10192   int element_new = getTubeFromOpenDirection(direction);
10193
10194   return (element_new != EL_EMPTY ? element_new : element_old);
10195 }
10196
10197 static int getOpenDirectionFromBelt(int element)
10198 {
10199   int belt_dir = getBeltDirFromBeltElement(element);
10200
10201   return (belt_dir == MV_LEFT ? MV_RIGHT :
10202           belt_dir == MV_RIGHT ? MV_LEFT :
10203           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
10204 }
10205
10206 static int getBeltFromNrAndOpenDirection(int nr, int direction)
10207 {
10208   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
10209                   direction == MV_RIGHT ? MV_LEFT :
10210                   direction == MV_HORIZONTAL ? MV_NONE : direction);
10211
10212   if (direction == MV_NONE)
10213     return EL_EMPTY;
10214
10215   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
10216 }
10217
10218 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
10219                                                  int element_old)
10220 {
10221   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
10222
10223   return (element_new != EL_EMPTY ? element_new : element_old);
10224 }
10225
10226 static int getOpenDirectionFromPool(int element)
10227 {
10228   switch (element)
10229   {
10230     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
10231     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
10232     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
10233     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
10234     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
10235     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
10236   }
10237
10238   return MV_NONE;
10239 }
10240
10241 static int getPoolFromOpenDirection(int direction)
10242 {
10243   switch (direction)
10244   {
10245     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
10246     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
10247     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
10248     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
10249     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
10250     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
10251   }
10252
10253   return EL_EMPTY;
10254 }
10255
10256 static int getPoolFromOpenDirectionExt(int direction, int help_element)
10257 {
10258   int element = getPoolFromOpenDirection(direction);
10259   int help_direction = getOpenDirectionFromPool(help_element);
10260
10261   if (element == EL_EMPTY)
10262   {
10263     int help_direction_vertical = help_direction & MV_VERTICAL;
10264
10265     element = getPoolFromOpenDirection(direction | help_direction_vertical);
10266   }
10267
10268   if (element == EL_EMPTY)
10269   {
10270     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
10271
10272     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
10273   }
10274
10275   return element;
10276 }
10277
10278 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
10279 {
10280   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
10281
10282   return (element_new != EL_EMPTY ? element_new : element_old);
10283 }
10284
10285 static int getOpenDirectionFromPillar(int element)
10286 {
10287   switch (element)
10288   {
10289     case EL_EMC_WALL_1:                 return (MV_DOWN);
10290     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
10291     case EL_EMC_WALL_3:                 return (MV_UP);
10292   }
10293
10294   return MV_NONE;
10295 }
10296
10297 static int getPillarFromOpenDirection(int direction)
10298 {
10299   switch (direction)
10300   {
10301     case (MV_DOWN):                     return EL_EMC_WALL_1;
10302     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
10303     case (MV_UP):                       return EL_EMC_WALL_3;
10304   }
10305
10306   return EL_EMPTY;
10307 }
10308
10309 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
10310 {
10311   int element_new = getPillarFromOpenDirection(direction);
10312
10313   return (element_new != EL_EMPTY ? element_new : element_old);
10314 }
10315
10316 static int getOpenDirectionFromSteel2(int element)
10317 {
10318   switch (element)
10319   {
10320     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
10321     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
10322     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
10323     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
10324     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
10325     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
10326     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
10327     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
10328   }
10329
10330   return MV_NONE;
10331 }
10332
10333 static int getSteel2FromOpenDirection(int direction)
10334 {
10335   switch (direction)
10336   {
10337     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
10338     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
10339     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
10340     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
10341     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
10342     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
10343     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
10344     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
10345   }
10346
10347   return EL_EMPTY;
10348 }
10349
10350 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
10351 {
10352   int element_new = getSteel2FromOpenDirection(direction);
10353
10354   return (element_new != EL_EMPTY ? element_new : element_old);
10355 }
10356
10357 static int getOpenDirectionFromChip(int element)
10358 {
10359   switch (element)
10360   {
10361     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
10362     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
10363     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
10364     case EL_SP_CHIP_TOP:                return (MV_DOWN);
10365     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
10366   }
10367
10368   return MV_NONE;
10369 }
10370
10371 static int getChipFromOpenDirection(int direction)
10372 {
10373   switch (direction)
10374   {
10375     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
10376     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
10377     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
10378     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
10379     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
10380   }
10381
10382   return EL_EMPTY;
10383 }
10384
10385 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
10386 {
10387   int element_new = getChipFromOpenDirection(direction);
10388
10389   return (element_new != EL_EMPTY ? element_new : element_old);
10390 }
10391
10392 static int getClosedTube(int x, int y)
10393 {
10394   static int xy[4][2] =
10395   {
10396     { -1, 0 },
10397     { +1, 0 },
10398     { 0, -1 },
10399     { 0, +1 }
10400   };
10401   int element_old = IntelliDrawBuffer[x][y];
10402   int direction_old = getOpenDirectionFromTube(element_old);
10403   int direction_new = MV_NONE;
10404   int i;
10405
10406   for (i = 0; i < NUM_DIRECTIONS; i++)
10407   {
10408     int xx = x + xy[i][0];
10409     int yy = y + xy[i][1];
10410     int dir = MV_DIR_FROM_BIT(i);
10411     int dir_opposite = MV_DIR_OPPOSITE(dir);
10412
10413     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
10414         (direction_old & dir) &&
10415         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10416       direction_new |= dir;
10417   }
10418
10419   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
10420 }
10421
10422 static int getClosedBelt(int x, int y)
10423 {
10424   static int xy[4][2] =
10425   {
10426     { -1, 0 },
10427     { +1, 0 },
10428     { 0, -1 },
10429     { 0, +1 }
10430   };
10431   int element_old = IntelliDrawBuffer[x][y];
10432   int nr = getBeltNrFromBeltElement(element_old);
10433   int direction_old = getOpenDirectionFromBelt(element_old);
10434   int direction_new = MV_NONE;
10435   int i;
10436
10437   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
10438   {
10439     int xx = x + xy[i][0];
10440     int yy = y + xy[i][1];
10441     int dir = MV_DIR_FROM_BIT(i);
10442     int dir_opposite = MV_DIR_OPPOSITE(dir);
10443
10444     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
10445         (direction_old & dir) &&
10446         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10447       direction_new |= dir;
10448   }
10449
10450   return getBeltFromNrAndOpenDirection(nr, direction_new);
10451 }
10452
10453 static int getClosedPool(int x, int y)
10454 {
10455   static int xy[4][2] =
10456   {
10457     { -1, 0 },
10458     { +1, 0 },
10459     { 0, -1 },
10460     { 0, +1 }
10461   };
10462   int element_old = IntelliDrawBuffer[x][y];
10463   int direction_old = getOpenDirectionFromPool(element_old);
10464   int direction_new = MV_NONE;
10465   int i;
10466
10467   for (i = 0; i < NUM_DIRECTIONS; i++)
10468   {
10469     int xx = x + xy[i][0];
10470     int yy = y + xy[i][1];
10471     int dir = MV_DIR_FROM_BIT(i);
10472     int dir_opposite = MV_DIR_OPPOSITE(dir);
10473
10474     if (IN_LEV_FIELD(xx, yy) &&
10475         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
10476         (direction_old & dir) &&
10477         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10478       direction_new |= dir;
10479   }
10480
10481   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
10482 }
10483
10484 static int getClosedPillar(int x, int y)
10485 {
10486   static int xy[4][2] =
10487   {
10488     { -1, 0 },
10489     { +1, 0 },
10490     { 0, -1 },
10491     { 0, +1 }
10492   };
10493   int element_old = IntelliDrawBuffer[x][y];
10494   int direction_old = getOpenDirectionFromPillar(element_old);
10495   int direction_new = MV_NONE;
10496   int i;
10497
10498   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
10499   {
10500     int xx = x + xy[i][0];
10501     int yy = y + xy[i][1];
10502     int dir = MV_DIR_FROM_BIT(i);
10503     int dir_opposite = MV_DIR_OPPOSITE(dir);
10504
10505     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
10506         (direction_old & dir) &&
10507         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10508       direction_new |= dir;
10509   }
10510
10511   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
10512 }
10513
10514 static int getClosedSteel2(int x, int y)
10515 {
10516   static int xy[4][2] =
10517   {
10518     { -1, 0 },
10519     { +1, 0 },
10520     { 0, -1 },
10521     { 0, +1 }
10522   };
10523   int element_old = IntelliDrawBuffer[x][y];
10524   int direction_old = getOpenDirectionFromSteel2(element_old);
10525   int direction_new = MV_NONE;
10526   int i;
10527
10528   for (i = 0; i < NUM_DIRECTIONS; i++)
10529   {
10530     int xx = x + xy[i][0];
10531     int yy = y + xy[i][1];
10532     int dir = MV_DIR_FROM_BIT(i);
10533     int dir_opposite = MV_DIR_OPPOSITE(dir);
10534
10535     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
10536         (direction_old & dir) &&
10537         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10538       direction_new |= dir;
10539   }
10540
10541   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
10542 }
10543
10544 static int getClosedChip(int x, int y)
10545 {
10546   static int xy[4][2] =
10547   {
10548     { -1, 0 },
10549     { +1, 0 },
10550     { 0, -1 },
10551     { 0, +1 }
10552   };
10553   int element_old = IntelliDrawBuffer[x][y];
10554   int direction_old = getOpenDirectionFromChip(element_old);
10555   int direction_new = MV_NONE;
10556   int i;
10557
10558   for (i = 0; i < NUM_DIRECTIONS; i++)
10559   {
10560     int xx = x + xy[i][0];
10561     int yy = y + xy[i][1];
10562     int dir = MV_DIR_FROM_BIT(i);
10563     int dir_opposite = MV_DIR_OPPOSITE(dir);
10564
10565     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
10566         (direction_old & dir) &&
10567         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10568       direction_new |= dir;
10569   }
10570
10571   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
10572 }
10573
10574 static void SetElementSimpleExt(int x, int y, int dx, int dy, int element,
10575                                 boolean change_level)
10576 {
10577   int sx = x - level_xpos;
10578   int sy = y - level_ypos;
10579   int old_element = Feld[x][y];
10580   int new_element = element;
10581   unsigned int new_bitmask = (getDrawModeHiRes() ? (dx + 1) << (dy * 2) : 0x0f);
10582   boolean draw_masked = FALSE;
10583
10584   if (IS_MM_WALL_EDITOR(element))
10585   {
10586     element = map_mm_wall_element_editor(element) | new_bitmask;
10587
10588     if (IS_MM_WALL(old_element))
10589       element |= MM_WALL_BITS(old_element);
10590
10591     if (!change_level)
10592       draw_masked = TRUE;
10593   }
10594   else if (IS_MM_WALL(old_element) && element == EL_EMPTY)
10595   {
10596     int element_changed = old_element & ~new_bitmask;
10597
10598     if (MM_WALL_BITS(element_changed) != 0)
10599       element = element_changed;
10600   }
10601
10602   IntelliDrawBuffer[x][y] = element;
10603
10604   if (change_level)
10605     Feld[x][y] = element;
10606
10607   if (IN_ED_FIELD(sx, sy))
10608   {
10609     if (IS_MM_WALL(old_element) && new_element == EL_EMPTY)
10610       DrawSizedWallParts_MM(sx, sy, EL_EMPTY, ed_tilesize, FALSE, new_bitmask);
10611     else if (draw_masked)
10612       DrawEditorElementThruMask(sx, sy, element);
10613     else
10614       DrawEditorElement(sx, sy, element);
10615   }
10616 }
10617
10618 static void SetElementSimple(int x, int y, int element, boolean change_level)
10619 {
10620   SetElementSimpleExt(x, y, 0, 0, element, change_level);
10621 }
10622
10623 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
10624                                            int x2, int y2, int *element2,
10625                                            int (*close_function)(int, int),
10626                                            boolean change_level)
10627 {
10628   /* set neighbour elements to newly determined connections */
10629   SetElementSimple(x1, y1, *element1, change_level);
10630   SetElementSimple(x2, y2, *element2, change_level);
10631
10632   /* remove all open connections of neighbour elements */
10633   *element1 = close_function(x1, y1);
10634   *element2 = close_function(x2, y2);
10635
10636   /* set neighbour elements to new, minimized connections */
10637   SetElementSimple(x1, y1, *element1, change_level);
10638   SetElementSimple(x2, y2, *element2, change_level);
10639 }
10640
10641 static void SetElementIntelliDraw(int x, int y, int new_element,
10642                                   boolean change_level, int button)
10643 {
10644   static int xy[4][2] =
10645   {
10646     { -1, 0 },
10647     { +1, 0 },
10648     { 0, -1 },
10649     { 0, +1 }
10650   };
10651   static int last_x = -1;
10652   static int last_y = -1;
10653   int old_element = IntelliDrawBuffer[x][y];
10654
10655   if (new_element == EL_UNDEFINED)
10656   {
10657     last_x = -1;
10658     last_y = -1;
10659
10660     return;
10661   }
10662
10663   if (IS_TUBE(new_element))
10664   {
10665     int last_element_new = EL_UNDEFINED;
10666     int direction = MV_NONE;
10667     int i;
10668
10669     /* if old element is of same kind, keep all existing directions */
10670     if (IS_TUBE(old_element))
10671       direction |= getOpenDirectionFromTube(old_element);
10672
10673     for (i = 0; i < NUM_DIRECTIONS; i++)
10674     {
10675       int xx = x + xy[i][0];
10676       int yy = y + xy[i][1];
10677
10678       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10679           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
10680       {
10681         int dir = MV_DIR_FROM_BIT(i);
10682         int dir_opposite = MV_DIR_OPPOSITE(dir);
10683         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10684         int last_direction_old = getOpenDirectionFromTube(last_element_old);
10685         int last_direction_new = last_direction_old | dir_opposite;
10686
10687         last_element_new = getTubeFromOpenDirection(last_direction_new);
10688
10689         direction |= dir;
10690       }
10691     }
10692
10693     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
10694
10695     if (last_element_new != EL_UNDEFINED)
10696       MergeAndCloseNeighbourElements(x, y, &new_element,
10697                                      last_x, last_y, &last_element_new,
10698                                      getClosedTube, change_level);
10699   }
10700   else if (IS_BELT(new_element))
10701   {
10702     int belt_nr = getBeltNrFromBeltElement(new_element);
10703     int last_element_new = EL_UNDEFINED;
10704     int direction = MV_NONE;
10705     int i;
10706
10707     /* if old element is of same kind, keep all existing directions */
10708     if (IS_BELT(old_element))
10709       direction |= getOpenDirectionFromBelt(old_element);
10710
10711     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
10712     {
10713       int xx = x + xy[i][0];
10714       int yy = y + xy[i][1];
10715
10716       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10717           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
10718       {
10719         int dir = MV_DIR_FROM_BIT(i);
10720         int dir_opposite = MV_DIR_OPPOSITE(dir);
10721         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10722         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
10723         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
10724         int last_direction_new = last_direction_old | dir_opposite;
10725
10726         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
10727                                                          last_direction_new);
10728         direction |= dir;
10729       }
10730     }
10731
10732     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
10733                                                         new_element);
10734     if (last_element_new != EL_UNDEFINED)
10735       MergeAndCloseNeighbourElements(x, y, &new_element,
10736                                      last_x, last_y, &last_element_new,
10737                                      getClosedBelt, change_level);
10738   }
10739   else if (IS_ACID_POOL_OR_ACID(new_element))
10740   {
10741     int last_element_new = EL_UNDEFINED;
10742     int direction = MV_NONE;
10743     int i;
10744
10745     /* if old element is of same kind, keep all existing directions */
10746     if (IS_ACID_POOL_OR_ACID(old_element))
10747       direction |= getOpenDirectionFromPool(old_element);
10748
10749     for (i = 0; i < NUM_DIRECTIONS; i++)
10750     {
10751       int xx = x + xy[i][0];
10752       int yy = y + xy[i][1];
10753
10754       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10755           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
10756       {
10757         int dir = MV_DIR_FROM_BIT(i);
10758         int dir_opposite = MV_DIR_OPPOSITE(dir);
10759         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10760         int last_direction_old = getOpenDirectionFromPool(last_element_old);
10761         int last_direction_new = last_direction_old | dir_opposite;
10762
10763         last_element_new = getPoolFromOpenDirection(last_direction_new);
10764
10765         direction |= dir;
10766       }
10767     }
10768
10769     /* special corrections needed for intuitively correct acid pool drawing */
10770     if (last_element_new == EL_EMPTY)
10771       last_element_new = new_element;
10772     else if (last_element_new != EL_UNDEFINED)
10773       new_element = last_element_new;
10774
10775     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
10776
10777     if (last_element_new != EL_UNDEFINED)
10778       MergeAndCloseNeighbourElements(x, y, &new_element,
10779                                      last_x, last_y, &last_element_new,
10780                                      getClosedPool, change_level);
10781   }
10782   else if (IS_EMC_PILLAR(new_element))
10783   {
10784     int last_element_new = EL_UNDEFINED;
10785     int direction = MV_NONE;
10786     int i;
10787
10788     /* if old element is of same kind, keep all existing directions */
10789     if (IS_EMC_PILLAR(old_element))
10790       direction |= getOpenDirectionFromPillar(old_element);
10791
10792     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
10793     {
10794       int xx = x + xy[i][0];
10795       int yy = y + xy[i][1];
10796
10797       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10798           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
10799       {
10800         int dir = MV_DIR_FROM_BIT(i);
10801         int dir_opposite = MV_DIR_OPPOSITE(dir);
10802         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10803         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
10804         int last_direction_new = last_direction_old | dir_opposite;
10805
10806         last_element_new = getPillarFromOpenDirection(last_direction_new);
10807
10808         direction |= dir;
10809       }
10810     }
10811
10812     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
10813
10814     if (last_element_new != EL_UNDEFINED)
10815       MergeAndCloseNeighbourElements(x, y, &new_element,
10816                                      last_x, last_y, &last_element_new,
10817                                      getClosedPillar, change_level);
10818   }
10819   else if (IS_DC_STEELWALL_2(new_element))
10820   {
10821     int last_element_new = EL_UNDEFINED;
10822     int direction = MV_NONE;
10823     int i;
10824
10825     /* if old element is of same kind, keep all existing directions */
10826     if (IS_DC_STEELWALL_2(old_element))
10827       direction |= getOpenDirectionFromSteel2(old_element);
10828
10829     for (i = 0; i < NUM_DIRECTIONS; i++)
10830     {
10831       int xx = x + xy[i][0];
10832       int yy = y + xy[i][1];
10833
10834       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10835           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
10836       {
10837         int dir = MV_DIR_FROM_BIT(i);
10838         int dir_opposite = MV_DIR_OPPOSITE(dir);
10839         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10840         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
10841         int last_direction_new = last_direction_old | dir_opposite;
10842
10843         last_element_new = getSteel2FromOpenDirection(last_direction_new);
10844
10845         direction |= dir;
10846       }
10847     }
10848
10849     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
10850
10851     if (last_element_new != EL_UNDEFINED)
10852       MergeAndCloseNeighbourElements(x, y, &new_element,
10853                                      last_x, last_y, &last_element_new,
10854                                      getClosedSteel2, change_level);
10855   }
10856   else if (IS_SP_CHIP(new_element))
10857   {
10858     int last_element_new = EL_UNDEFINED;
10859     int direction = MV_NONE;
10860     int i;
10861
10862     /* (do not keep existing directions, regardless of kind of old element) */
10863
10864     for (i = 0; i < NUM_DIRECTIONS; i++)
10865     {
10866       int xx = x + xy[i][0];
10867       int yy = y + xy[i][1];
10868
10869       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10870           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
10871       {
10872         int dir = MV_DIR_FROM_BIT(i);
10873         int dir_opposite = MV_DIR_OPPOSITE(dir);
10874         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10875         int last_direction_old = getOpenDirectionFromChip(last_element_old);
10876         int last_direction_new = last_direction_old | dir_opposite;
10877
10878         if (last_direction_old == MV_NONE)
10879         {
10880           last_element_new = getChipFromOpenDirection(last_direction_new);
10881           direction |= dir;
10882         }
10883         else if (last_direction_old & (dir | dir_opposite))
10884         {
10885           direction |= MV_DIR_OPPOSITE(last_direction_old);
10886         }
10887         else
10888         {
10889           direction |= MV_DIR_OPPOSITE(dir);
10890         }
10891       }
10892     }
10893
10894     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
10895
10896     if (last_element_new != EL_UNDEFINED)
10897       MergeAndCloseNeighbourElements(x, y, &new_element,
10898                                      last_x, last_y, &last_element_new,
10899                                      getClosedChip, change_level);
10900   }
10901   else if (IS_SP_HARDWARE_BASE(new_element))
10902   {
10903     int nr = GetSimpleRandom(6);
10904
10905     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
10906                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
10907                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
10908                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
10909                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
10910   }
10911   else if (new_element == EL_SP_HARDWARE_GREEN ||
10912            new_element == EL_SP_HARDWARE_BLUE ||
10913            new_element == EL_SP_HARDWARE_RED)
10914   {
10915     int nr = GetSimpleRandom(3);
10916
10917     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
10918                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
10919   }
10920   else if (IS_GROUP_ELEMENT(new_element))
10921   {
10922     boolean connected_drawing = FALSE;
10923     int i;
10924
10925     for (i = 0; i < NUM_DIRECTIONS; i++)
10926     {
10927       int xx = x + xy[i][0];
10928       int yy = y + xy[i][1];
10929
10930       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10931           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
10932         connected_drawing = TRUE;
10933     }
10934
10935     if (!connected_drawing)
10936       ResolveGroupElement(new_element);
10937
10938     new_element = GetElementFromGroupElement(new_element);
10939   }
10940   else if (IS_BELT_SWITCH(old_element))
10941   {
10942     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
10943     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
10944
10945     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
10946                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
10947
10948     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
10949   }
10950   else
10951   {
10952     static int swappable_elements[][2] =
10953     {
10954       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
10955       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
10956       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
10957       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
10958       { EL_EMERALD,                     EL_WALL_EMERALD                 },
10959       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
10960       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
10961       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
10962       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
10963       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
10964       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
10965       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
10966       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
10967       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
10968       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
10969       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
10970       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
10971       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
10972       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
10973       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
10974       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
10975       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
10976       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
10977       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
10978       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
10979       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
10980       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
10981       { EL_PEARL,                       EL_WALL_PEARL                   },
10982       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
10983       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
10984       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
10985       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
10986       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
10987       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
10988       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
10989       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
10990       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
10991       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
10992       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
10993       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
10994       { EL_MM_EXIT_CLOSED,              EL_MM_EXIT_OPEN                 },
10995       { EL_MM_FUSE,                     EL_MM_FUSE_ACTIVE               },
10996       { EL_MM_LIGHTBULB,                EL_MM_LIGHTBULB_ACTIVE          },
10997       { EL_MM_FUEL_EMPTY,               EL_MM_FUEL_FULL                 },
10998
10999       { -1,                             -1                              },
11000     };
11001     static int rotatable_elements_4[][4] =
11002     {
11003       {
11004         EL_BUG_UP,
11005         EL_BUG_RIGHT,
11006         EL_BUG_DOWN,
11007         EL_BUG_LEFT
11008       },
11009       {
11010         EL_SPACESHIP_UP,
11011         EL_SPACESHIP_RIGHT,
11012         EL_SPACESHIP_DOWN,
11013         EL_SPACESHIP_LEFT
11014       },
11015       {
11016         EL_BD_BUTTERFLY_UP,
11017         EL_BD_BUTTERFLY_RIGHT,
11018         EL_BD_BUTTERFLY_DOWN,
11019         EL_BD_BUTTERFLY_LEFT
11020       },
11021       {
11022         EL_BD_FIREFLY_UP,
11023         EL_BD_FIREFLY_RIGHT,
11024         EL_BD_FIREFLY_DOWN,
11025         EL_BD_FIREFLY_LEFT
11026       },
11027       {
11028         EL_PACMAN_UP,
11029         EL_PACMAN_RIGHT,
11030         EL_PACMAN_DOWN,
11031         EL_PACMAN_LEFT
11032       },
11033       {
11034         EL_YAMYAM_UP,
11035         EL_YAMYAM_RIGHT,
11036         EL_YAMYAM_DOWN,
11037         EL_YAMYAM_LEFT
11038       },
11039       {
11040         EL_ARROW_UP,
11041         EL_ARROW_RIGHT,
11042         EL_ARROW_DOWN,
11043         EL_ARROW_LEFT
11044       },
11045       {
11046         EL_SP_PORT_UP,
11047         EL_SP_PORT_RIGHT,
11048         EL_SP_PORT_DOWN,
11049         EL_SP_PORT_LEFT
11050       },
11051       {
11052         EL_SP_GRAVITY_PORT_UP,
11053         EL_SP_GRAVITY_PORT_RIGHT,
11054         EL_SP_GRAVITY_PORT_DOWN,
11055         EL_SP_GRAVITY_PORT_LEFT
11056       },
11057       {
11058         EL_SP_GRAVITY_ON_PORT_UP,
11059         EL_SP_GRAVITY_ON_PORT_RIGHT,
11060         EL_SP_GRAVITY_ON_PORT_DOWN,
11061         EL_SP_GRAVITY_ON_PORT_LEFT
11062       },
11063       {
11064         EL_SP_GRAVITY_OFF_PORT_UP,
11065         EL_SP_GRAVITY_OFF_PORT_RIGHT,
11066         EL_SP_GRAVITY_OFF_PORT_DOWN,
11067         EL_SP_GRAVITY_OFF_PORT_LEFT
11068       },
11069       {
11070         EL_MOLE_UP,
11071         EL_MOLE_RIGHT,
11072         EL_MOLE_DOWN,
11073         EL_MOLE_LEFT
11074       },
11075       {
11076         EL_BALLOON_SWITCH_UP,
11077         EL_BALLOON_SWITCH_RIGHT,
11078         EL_BALLOON_SWITCH_DOWN,
11079         EL_BALLOON_SWITCH_LEFT
11080       },
11081       {
11082         EL_MM_MCDUFFIN_UP,
11083         EL_MM_MCDUFFIN_RIGHT,
11084         EL_MM_MCDUFFIN_DOWN,
11085         EL_MM_MCDUFFIN_LEFT
11086       },
11087       {
11088         EL_MM_MIRROR_FIXED_1,
11089         EL_MM_MIRROR_FIXED_4,
11090         EL_MM_MIRROR_FIXED_3,
11091         EL_MM_MIRROR_FIXED_2
11092       },
11093       {
11094         EL_MM_STEEL_GRID_FIXED_1,
11095         EL_MM_STEEL_GRID_FIXED_4,
11096         EL_MM_STEEL_GRID_FIXED_2,
11097         EL_MM_STEEL_GRID_FIXED_3
11098       },
11099       {
11100         EL_MM_WOODEN_GRID_FIXED_1,
11101         EL_MM_WOODEN_GRID_FIXED_4,
11102         EL_MM_WOODEN_GRID_FIXED_2,
11103         EL_MM_WOODEN_GRID_FIXED_3
11104       },
11105       {
11106         EL_MM_POLARISATOR_CROSS_1,
11107         EL_MM_POLARISATOR_CROSS_4,
11108         EL_MM_POLARISATOR_CROSS_3,
11109         EL_MM_POLARISATOR_CROSS_2
11110       },
11111       {
11112         EL_MM_PACMAN_UP,
11113         EL_MM_PACMAN_RIGHT,
11114         EL_MM_PACMAN_DOWN,
11115         EL_MM_PACMAN_LEFT
11116       },
11117       {
11118         EL_DF_LASER_UP,
11119         EL_DF_LASER_RIGHT,
11120         EL_DF_LASER_DOWN,
11121         EL_DF_LASER_LEFT
11122       },
11123       {
11124         EL_DF_RECEIVER_UP,
11125         EL_DF_RECEIVER_RIGHT,
11126         EL_DF_RECEIVER_DOWN,
11127         EL_DF_RECEIVER_LEFT
11128       },
11129
11130       {
11131         -1,
11132       },
11133     };
11134     static int rotatable_elements_8[][8] =
11135     {
11136       {
11137         EL_DF_STEEL_GRID_FIXED_1,
11138         EL_DF_STEEL_GRID_FIXED_8,
11139         EL_DF_STEEL_GRID_FIXED_7,
11140         EL_DF_STEEL_GRID_FIXED_6,
11141         EL_DF_STEEL_GRID_FIXED_5,
11142         EL_DF_STEEL_GRID_FIXED_4,
11143         EL_DF_STEEL_GRID_FIXED_3,
11144         EL_DF_STEEL_GRID_FIXED_2
11145       },
11146       {
11147         EL_DF_WOODEN_GRID_FIXED_1,
11148         EL_DF_WOODEN_GRID_FIXED_8,
11149         EL_DF_WOODEN_GRID_FIXED_7,
11150         EL_DF_WOODEN_GRID_FIXED_6,
11151         EL_DF_WOODEN_GRID_FIXED_5,
11152         EL_DF_WOODEN_GRID_FIXED_4,
11153         EL_DF_WOODEN_GRID_FIXED_3,
11154         EL_DF_WOODEN_GRID_FIXED_2
11155       },
11156       {
11157         EL_DF_STEEL_GRID_ROTATING_1,
11158         EL_DF_STEEL_GRID_ROTATING_8,
11159         EL_DF_STEEL_GRID_ROTATING_7,
11160         EL_DF_STEEL_GRID_ROTATING_6,
11161         EL_DF_STEEL_GRID_ROTATING_5,
11162         EL_DF_STEEL_GRID_ROTATING_4,
11163         EL_DF_STEEL_GRID_ROTATING_3,
11164         EL_DF_STEEL_GRID_ROTATING_2
11165       },
11166       {
11167         EL_DF_WOODEN_GRID_ROTATING_1,
11168         EL_DF_WOODEN_GRID_ROTATING_8,
11169         EL_DF_WOODEN_GRID_ROTATING_7,
11170         EL_DF_WOODEN_GRID_ROTATING_6,
11171         EL_DF_WOODEN_GRID_ROTATING_5,
11172         EL_DF_WOODEN_GRID_ROTATING_4,
11173         EL_DF_WOODEN_GRID_ROTATING_3,
11174         EL_DF_WOODEN_GRID_ROTATING_2
11175       },
11176
11177       {
11178         -1,
11179       },
11180     };
11181     static int rotatable_elements_16[][16] =
11182     {
11183       {
11184         EL_MM_MIRROR_1,
11185         EL_MM_MIRROR_16,
11186         EL_MM_MIRROR_15,
11187         EL_MM_MIRROR_14,
11188         EL_MM_MIRROR_13,
11189         EL_MM_MIRROR_12,
11190         EL_MM_MIRROR_11,
11191         EL_MM_MIRROR_10,
11192         EL_MM_MIRROR_9,
11193         EL_MM_MIRROR_8,
11194         EL_MM_MIRROR_7,
11195         EL_MM_MIRROR_6,
11196         EL_MM_MIRROR_5,
11197         EL_MM_MIRROR_4,
11198         EL_MM_MIRROR_3,
11199         EL_MM_MIRROR_2
11200       },
11201       {
11202         EL_MM_BEAMER_5,
11203         EL_MM_BEAMER_4,
11204         EL_MM_BEAMER_3,
11205         EL_MM_BEAMER_2,
11206         EL_MM_BEAMER_1,
11207         EL_MM_BEAMER_16,
11208         EL_MM_BEAMER_15,
11209         EL_MM_BEAMER_14,
11210         EL_MM_BEAMER_13,
11211         EL_MM_BEAMER_12,
11212         EL_MM_BEAMER_11,
11213         EL_MM_BEAMER_10,
11214         EL_MM_BEAMER_9,
11215         EL_MM_BEAMER_8,
11216         EL_MM_BEAMER_7,
11217         EL_MM_BEAMER_6
11218       },
11219       {
11220         EL_MM_BEAMER_RED_5,
11221         EL_MM_BEAMER_RED_4,
11222         EL_MM_BEAMER_RED_3,
11223         EL_MM_BEAMER_RED_2,
11224         EL_MM_BEAMER_RED_1,
11225         EL_MM_BEAMER_RED_16,
11226         EL_MM_BEAMER_RED_15,
11227         EL_MM_BEAMER_RED_14,
11228         EL_MM_BEAMER_RED_13,
11229         EL_MM_BEAMER_RED_12,
11230         EL_MM_BEAMER_RED_11,
11231         EL_MM_BEAMER_RED_10,
11232         EL_MM_BEAMER_RED_9,
11233         EL_MM_BEAMER_RED_8,
11234         EL_MM_BEAMER_RED_7,
11235         EL_MM_BEAMER_RED_6
11236       },
11237       {
11238         EL_MM_BEAMER_YELLOW_5,
11239         EL_MM_BEAMER_YELLOW_4,
11240         EL_MM_BEAMER_YELLOW_3,
11241         EL_MM_BEAMER_YELLOW_2,
11242         EL_MM_BEAMER_YELLOW_1,
11243         EL_MM_BEAMER_YELLOW_16,
11244         EL_MM_BEAMER_YELLOW_15,
11245         EL_MM_BEAMER_YELLOW_14,
11246         EL_MM_BEAMER_YELLOW_13,
11247         EL_MM_BEAMER_YELLOW_12,
11248         EL_MM_BEAMER_YELLOW_11,
11249         EL_MM_BEAMER_YELLOW_10,
11250         EL_MM_BEAMER_YELLOW_9,
11251         EL_MM_BEAMER_YELLOW_8,
11252         EL_MM_BEAMER_YELLOW_7,
11253         EL_MM_BEAMER_YELLOW_6
11254       },
11255       {
11256         EL_MM_BEAMER_GREEN_5,
11257         EL_MM_BEAMER_GREEN_4,
11258         EL_MM_BEAMER_GREEN_3,
11259         EL_MM_BEAMER_GREEN_2,
11260         EL_MM_BEAMER_GREEN_1,
11261         EL_MM_BEAMER_GREEN_16,
11262         EL_MM_BEAMER_GREEN_15,
11263         EL_MM_BEAMER_GREEN_14,
11264         EL_MM_BEAMER_GREEN_13,
11265         EL_MM_BEAMER_GREEN_12,
11266         EL_MM_BEAMER_GREEN_11,
11267         EL_MM_BEAMER_GREEN_10,
11268         EL_MM_BEAMER_GREEN_9,
11269         EL_MM_BEAMER_GREEN_8,
11270         EL_MM_BEAMER_GREEN_7,
11271         EL_MM_BEAMER_GREEN_6
11272       },
11273       {
11274         EL_MM_BEAMER_BLUE_5,
11275         EL_MM_BEAMER_BLUE_4,
11276         EL_MM_BEAMER_BLUE_3,
11277         EL_MM_BEAMER_BLUE_2,
11278         EL_MM_BEAMER_BLUE_1,
11279         EL_MM_BEAMER_BLUE_16,
11280         EL_MM_BEAMER_BLUE_15,
11281         EL_MM_BEAMER_BLUE_14,
11282         EL_MM_BEAMER_BLUE_13,
11283         EL_MM_BEAMER_BLUE_12,
11284         EL_MM_BEAMER_BLUE_11,
11285         EL_MM_BEAMER_BLUE_10,
11286         EL_MM_BEAMER_BLUE_9,
11287         EL_MM_BEAMER_BLUE_8,
11288         EL_MM_BEAMER_BLUE_7,
11289         EL_MM_BEAMER_BLUE_6
11290       },
11291       {
11292         EL_MM_POLARISATOR_1,
11293         EL_MM_POLARISATOR_16,
11294         EL_MM_POLARISATOR_15,
11295         EL_MM_POLARISATOR_14,
11296         EL_MM_POLARISATOR_13,
11297         EL_MM_POLARISATOR_12,
11298         EL_MM_POLARISATOR_11,
11299         EL_MM_POLARISATOR_10,
11300         EL_MM_POLARISATOR_9,
11301         EL_MM_POLARISATOR_8,
11302         EL_MM_POLARISATOR_7,
11303         EL_MM_POLARISATOR_6,
11304         EL_MM_POLARISATOR_5,
11305         EL_MM_POLARISATOR_4,
11306         EL_MM_POLARISATOR_3,
11307         EL_MM_POLARISATOR_2
11308       },
11309       {
11310         EL_DF_MIRROR_1,
11311         EL_DF_MIRROR_16,
11312         EL_DF_MIRROR_15,
11313         EL_DF_MIRROR_14,
11314         EL_DF_MIRROR_13,
11315         EL_DF_MIRROR_12,
11316         EL_DF_MIRROR_11,
11317         EL_DF_MIRROR_10,
11318         EL_DF_MIRROR_9,
11319         EL_DF_MIRROR_8,
11320         EL_DF_MIRROR_7,
11321         EL_DF_MIRROR_6,
11322         EL_DF_MIRROR_5,
11323         EL_DF_MIRROR_4,
11324         EL_DF_MIRROR_3,
11325         EL_DF_MIRROR_2
11326       },
11327       {
11328         EL_DF_MIRROR_ROTATING_1,
11329         EL_DF_MIRROR_ROTATING_16,
11330         EL_DF_MIRROR_ROTATING_15,
11331         EL_DF_MIRROR_ROTATING_14,
11332         EL_DF_MIRROR_ROTATING_13,
11333         EL_DF_MIRROR_ROTATING_12,
11334         EL_DF_MIRROR_ROTATING_11,
11335         EL_DF_MIRROR_ROTATING_10,
11336         EL_DF_MIRROR_ROTATING_9,
11337         EL_DF_MIRROR_ROTATING_8,
11338         EL_DF_MIRROR_ROTATING_7,
11339         EL_DF_MIRROR_ROTATING_6,
11340         EL_DF_MIRROR_ROTATING_5,
11341         EL_DF_MIRROR_ROTATING_4,
11342         EL_DF_MIRROR_ROTATING_3,
11343         EL_DF_MIRROR_ROTATING_2
11344       },
11345
11346       {
11347         -1,
11348       },
11349     };
11350     int i, j;
11351
11352     for (i = 0; swappable_elements[i][0] != -1; i++)
11353     {
11354       int element1 = swappable_elements[i][0];
11355       int element2 = swappable_elements[i][1];
11356
11357       if (old_element == element1 || old_element == element2)
11358         new_element = (old_element == element1 ? element2 : element1);
11359     }
11360
11361     for (i = 0; rotatable_elements_4[i][0] != -1; i++)
11362     {
11363       for (j = 0; j < 4; j++)
11364       {
11365         int element = rotatable_elements_4[i][j];
11366
11367         if (old_element == element)
11368           new_element = (button == 1 ? rotatable_elements_4[i][(j + 3) % 4] :
11369                          button == 2 ? rotatable_elements_4[i][0]           :
11370                          button == 3 ? rotatable_elements_4[i][(j + 1) % 4] :
11371                          old_element);
11372       }
11373     }
11374
11375     for (i = 0; rotatable_elements_8[i][0] != -1; i++)
11376     {
11377       for (j = 0; j < 8; j++)
11378       {
11379         int element = rotatable_elements_8[i][j];
11380
11381         if (old_element == element)
11382           new_element = (button == 1 ? rotatable_elements_8[i][(j + 7) % 8] :
11383                          button == 2 ? rotatable_elements_8[i][0]           :
11384                          button == 3 ? rotatable_elements_8[i][(j + 1) % 8] :
11385                          old_element);
11386       }
11387     }
11388
11389     for (i = 0; rotatable_elements_16[i][0] != -1; i++)
11390     {
11391       for (j = 0; j < 16; j++)
11392       {
11393         int element = rotatable_elements_16[i][j];
11394
11395         if (old_element == element)
11396           new_element = (button == 1 ? rotatable_elements_16[i][(j + 15) % 16] :
11397                          button == 2 ? rotatable_elements_16[i][0]             :
11398                          button == 3 ? rotatable_elements_16[i][(j + 1)  % 16] :
11399                          old_element);
11400       }
11401     }
11402
11403     if (old_element != new_element)
11404     {
11405       int max_infotext_len = getMaxInfoTextLength();
11406       char infotext[MAX_OUTPUT_LINESIZE + 1];
11407
11408       strncpy(infotext, getElementInfoText(new_element), max_infotext_len);
11409       infotext[max_infotext_len] = '\0';
11410
11411       ClearEditorGadgetInfoText();
11412
11413       DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT,
11414                 infotext);
11415     }
11416   }
11417
11418   SetElementSimple(x, y, new_element, change_level);
11419
11420   last_x = x;
11421   last_y = y;
11422 }
11423
11424 static void ResetIntelliDraw()
11425 {
11426   int x, y;
11427
11428   for (x = 0; x < lev_fieldx; x++)
11429     for (y = 0; y < lev_fieldy; y++)
11430       IntelliDrawBuffer[x][y] = Feld[x][y];
11431
11432   SetElementIntelliDraw(-1, -1, EL_UNDEFINED, FALSE, -1);
11433 }
11434
11435 static boolean draw_mode_hires = FALSE;
11436
11437 static void SetDrawModeHiRes(int element)
11438 {
11439   draw_mode_hires =
11440     (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
11441      (IS_MM_WALL_EDITOR(element) || element == EL_EMPTY));
11442 }
11443
11444 static boolean getDrawModeHiRes()
11445 {
11446   return draw_mode_hires;
11447 }
11448
11449 static int getLoResScreenPos(int pos)
11450 {
11451   return (getDrawModeHiRes() ? pos / 2 : pos);
11452 }
11453
11454 static int getLoResScreenMod(int pos)
11455 {
11456   return (getDrawModeHiRes() ? pos % 2 : 0);
11457 }
11458
11459 static void SetElementExt(int x, int y, int dx, int dy, int element,
11460                           boolean change_level, int button)
11461 {
11462   if (element < 0)
11463     SetElementSimple(x, y, Feld[x][y], change_level);
11464   else if (GetKeyModState() & KMOD_Shift && !IS_MM_WALL_EDITOR(element))
11465     SetElementIntelliDraw(x, y, element, change_level, button);
11466   else
11467     SetElementSimpleExt(x, y, dx, dy, element, change_level);
11468 }
11469
11470 static void SetElement(int x, int y, int element)
11471 {
11472   SetElementExt(x, y, 0, 0, element, TRUE, -1);
11473 }
11474
11475 static void SetElementButton(int x, int y, int dx, int dy, int element,
11476                              int button)
11477 {
11478   SetElementExt(x, y, dx, dy, element, TRUE, button);
11479 }
11480
11481 static void SetElementHiRes(int sx2, int sy2, int element, boolean change_level)
11482 {
11483   int lx = getLoResScreenPos(sx2) + level_xpos;
11484   int ly = getLoResScreenPos(sy2) + level_ypos;
11485   int dx = getLoResScreenMod(sx2);
11486   int dy = getLoResScreenMod(sy2);
11487
11488   SetElementExt(lx, ly, dx, dy, element, change_level, -1);
11489 }
11490
11491 static void SetLevelElementHiRes(int lx2, int ly2, int element)
11492 {
11493   int lx = lx2 / 2;
11494   int ly = ly2 / 2;
11495   int dx = lx2 % 2;
11496   int dy = ly2 % 2;
11497
11498   SetElementExt(lx, ly, dx, dy, element, TRUE, -1);
11499 }
11500
11501 static int getLevelElementHiRes(int lx2, int ly2)
11502 {
11503   int lx = lx2 / 2;
11504   int ly = ly2 / 2;
11505   int dx = lx2 % 2;
11506   int dy = ly2 % 2;
11507   int element = Feld[lx][ly];
11508   unsigned int bitmask = (dx + 1) << (dy * 2);
11509
11510   if (IS_MM_WALL(element))
11511   {
11512     if (element & bitmask)
11513       return map_mm_wall_element(element);
11514     else
11515       return EL_EMPTY;
11516   }
11517
11518   return element;
11519 }
11520
11521 static void DrawLineElement(int x, int y, int element, boolean change_level)
11522 {
11523   SetElementHiRes(x, y, element, change_level);
11524 }
11525
11526 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
11527                      int element, boolean change_level)
11528 {
11529   int xsize = ABS(to_x - from_x);
11530   int ysize = ABS(to_y - from_y);
11531   int dx = (to_x < from_x ? -1 : +1);
11532   int dy = (to_y < from_y ? -1 : +1);
11533   int i;
11534
11535   if (from_y == to_y)                   /* horizontal line */
11536   {
11537     for (i = 0; i <= xsize; i++)
11538       DrawLineElement(from_x + i * dx, from_y, element, change_level);
11539   }
11540   else if (from_x == to_x)              /* vertical line */
11541   {
11542     for (i = 0; i <= ysize; i++)
11543       DrawLineElement(from_x, from_y + i * dy, element, change_level);
11544   }
11545   else                                  /* diagonal line */
11546   {
11547     if (ysize < xsize)                  /* a < 1 */
11548     {
11549       float a = (float)ysize / (float)xsize;
11550
11551       for (i = 0; i <= xsize; i++)
11552       {
11553         int x = dx * i;
11554         int y = dy * (int)(a * i + 0.5);
11555
11556         DrawLineElement(from_x + x, from_y + y, element, change_level);
11557       }
11558     }
11559     else                                /* a >= 1 */
11560     {
11561       float a = (float)xsize / (float)ysize;
11562
11563       for (i = 0; i <= ysize; i++)
11564       {
11565         int x = dx * (int)(a * i + 0.5);
11566         int y = dy * i;
11567
11568         DrawLineElement(from_x + x, from_y + y, element, change_level);
11569       }
11570     }
11571   }
11572 }
11573
11574 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
11575                     int element, boolean change_level)
11576 {
11577   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
11578   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
11579   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
11580   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
11581 }
11582
11583 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
11584                           int element, boolean change_level)
11585 {
11586   int y;
11587
11588   if (from_y > to_y)
11589     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
11590
11591   for (y = from_y; y <= to_y; y++)
11592     DrawLine(from_x, y, to_x, y, element, change_level);
11593 }
11594
11595 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
11596                        int element, boolean change_level)
11597 {
11598   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
11599   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
11600   int len_x = ABS(to_x - from_x);
11601   int len_y = ABS(to_y - from_y);
11602   int radius, x, y;
11603
11604   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
11605
11606   /* not optimal (some points get drawn twice) but simple,
11607      and fast enough for the few points we are drawing */
11608
11609   for (x = 0; x <= radius; x++)
11610   {
11611     int sx, sy, sx2, sy2, lx, ly;
11612
11613     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
11614
11615     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
11616     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
11617     sx = getLoResScreenPos(sx2);
11618     sy = getLoResScreenPos(sy2);
11619     lx = sx + level_xpos;
11620     ly = sy + level_ypos;
11621
11622     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
11623       DrawLineElement(sx2, sy2, element, change_level);
11624   }
11625
11626   for (y = 0; y <= radius; y++)
11627   {
11628     int sx, sy, sx2, sy2, lx, ly;
11629
11630     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
11631
11632     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
11633     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
11634     sx = getLoResScreenPos(sx2);
11635     sy = getLoResScreenPos(sy2);
11636     lx = sx + level_xpos;
11637     ly = sy + level_ypos;
11638
11639     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
11640       DrawLineElement(sx2, sy2, element, change_level);
11641   }
11642 }
11643
11644 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
11645                     int element, boolean change_level)
11646 {
11647   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
11648   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
11649
11650   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
11651 }
11652
11653 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
11654
11655 #if DRAW_CIRCLES_BUTTON_AVAILABLE
11656 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
11657                        int element, boolean change_level)
11658 {
11659   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
11660   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
11661   int mirror_to_x2 = from_x - (to_x2 - from_x);
11662   int mirror_to_y2 = from_y - (to_y2 - from_y);
11663
11664   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
11665   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
11666   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
11667   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
11668 }
11669 #endif
11670
11671 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
11672 {
11673   int from_sx, from_sy;
11674   int to_sx, to_sy;
11675
11676   if (from_x > to_x)
11677     swap_numbers(&from_x, &to_x);
11678
11679   if (from_y > to_y)
11680     swap_numbers(&from_y, &to_y);
11681
11682   from_sx = SX + from_x * ed_tilesize;
11683   from_sy = SY + from_y * ed_tilesize;
11684   to_sx = SX + (to_x + 1) * ed_tilesize - 1;
11685   to_sy = SY + (to_y + 1) * ed_tilesize - 1;
11686
11687   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
11688   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
11689   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
11690   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
11691
11692   if (from_x == to_x && from_y == to_y)
11693     MarkTileDirty(from_x/2, from_y/2);
11694   else
11695     redraw_mask |= REDRAW_FIELD;
11696 }
11697
11698 static void DrawAreaBox(int from_x, int from_y, int to_x, int to_y,
11699                         int element, boolean change_level)
11700 {
11701   DrawBox(from_x, from_y, to_x, to_y, element, change_level);
11702 }
11703
11704 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
11705                        int element, boolean change_level)
11706 {
11707   if (element == -1 || change_level)
11708     DrawAreaBox(from_x, from_y, to_x, to_y, -1, FALSE);
11709   else
11710     DrawAreaBorder(from_x, from_y, to_x, to_y);
11711 }
11712
11713 /* values for CopyBrushExt() */
11714 #define CB_AREA_TO_BRUSH        0
11715 #define CB_BRUSH_TO_CURSOR      1
11716 #define CB_BRUSH_TO_LEVEL       2
11717 #define CB_DELETE_OLD_CURSOR    3
11718 #define CB_DUMP_BRUSH           4
11719 #define CB_DUMP_BRUSH_SMALL     5
11720
11721 static void DrawBrushElement(int sx, int sy, int element, boolean change_level)
11722 {
11723   DrawLineElement(sx, sy, element, change_level);
11724 }
11725
11726 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
11727                          int button, int mode)
11728 {
11729   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
11730   static int brush_width, brush_height;
11731   static int last_cursor_x = -1, last_cursor_y = -1;
11732   static boolean delete_old_brush;
11733   int new_element = BUTTON_ELEMENT(button);
11734   int x, y;
11735
11736   if (mode == CB_DUMP_BRUSH ||
11737       mode == CB_DUMP_BRUSH_SMALL)
11738   {
11739     if (!draw_with_brush)
11740     {
11741       Error(ERR_WARN, "no brush selected");
11742
11743       return;
11744     }
11745
11746     for (y = 0; y < brush_height; y++)
11747     {
11748       for (x = 0; x < brush_width; x++)
11749       {
11750         int element = brush_buffer[x][y];
11751         int element_mapped = element;
11752
11753         if (IS_CUSTOM_ELEMENT(element))
11754           element_mapped = EL_CUSTOM_START;
11755         else if (IS_GROUP_ELEMENT(element))
11756           element_mapped = EL_GROUP_START;
11757         else if (element >= NUM_FILE_ELEMENTS)
11758           element_mapped = EL_UNKNOWN;
11759
11760         // dump brush as level sketch text for the R'n'D forum:
11761         // - large tiles: `xxx (0x60 ASCII)
11762         // - small tiles: ¸xxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
11763         printf("%s%03d", (mode == CB_DUMP_BRUSH ? "`" : "¸"), element_mapped);
11764       }
11765
11766       printf("\n");
11767     }
11768
11769     return;
11770   }
11771
11772   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
11773     return;
11774
11775   if (mode == CB_AREA_TO_BRUSH)
11776   {
11777     int from_lx, from_ly;
11778
11779     if (from_x > to_x)
11780       swap_numbers(&from_x, &to_x);
11781
11782     if (from_y > to_y)
11783       swap_numbers(&from_y, &to_y);
11784
11785     brush_width = to_x - from_x + 1;
11786     brush_height = to_y - from_y + 1;
11787
11788     from_lx = from_x + level_xpos;
11789     from_ly = from_y + level_ypos;
11790
11791     for (y = 0; y < brush_height; y++)
11792     {
11793       for (x = 0; x < brush_width; x++)
11794       {
11795         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
11796
11797         if (button != 1)
11798           DrawBrushElement(from_x + x, from_y + y, new_element, TRUE);
11799       }
11800     }
11801
11802     if (button != 1)
11803       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
11804
11805     delete_old_brush = FALSE;
11806   }
11807   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
11808            mode == CB_BRUSH_TO_LEVEL)
11809   {
11810     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
11811     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
11812     int cursor_from_x = cursor_x - brush_width / 2;
11813     int cursor_from_y = cursor_y - brush_height / 2;
11814     int border_from_x = cursor_x, border_from_y = cursor_y;
11815     int border_to_x = cursor_x, border_to_y = cursor_y;
11816
11817     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
11818       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
11819
11820     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
11821         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
11822     {
11823       delete_old_brush = FALSE;
11824       return;
11825     }
11826
11827     for (y = 0; y < brush_height; y++)
11828     {
11829       for (x = 0; x < brush_width; x++)
11830       {
11831         int sx = cursor_from_x + x;
11832         int sy = cursor_from_y + y;
11833         int lx = sx + level_xpos;
11834         int ly = sy + level_ypos;
11835         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
11836         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
11837                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
11838                        brush_buffer[x][y] : new_element);
11839
11840         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
11841         {
11842           if (sx < border_from_x)
11843             border_from_x = sx;
11844           else if (sx > border_to_x)
11845             border_to_x = sx;
11846           if (sy < border_from_y)
11847             border_from_y = sy;
11848           else if (sy > border_to_y)
11849             border_to_y = sy;
11850
11851           DrawBrushElement(sx, sy, element, change_level);
11852         }
11853       }
11854     }
11855
11856     if (mode != CB_DELETE_OLD_CURSOR)
11857       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
11858
11859     last_cursor_x = cursor_x;
11860     last_cursor_y = cursor_y;
11861     delete_old_brush = TRUE;
11862   }
11863 }
11864
11865 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
11866                             int button)
11867 {
11868   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
11869 }
11870
11871 static void CopyBrushToLevel(int x, int y, int button)
11872 {
11873   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
11874 }
11875
11876 static void CopyBrushToCursor(int x, int y)
11877 {
11878   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
11879 }
11880
11881 static void DeleteBrushFromCursor()
11882 {
11883   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
11884 }
11885
11886 void DumpBrush()
11887 {
11888   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
11889 }
11890
11891 void DumpBrush_Small()
11892 {
11893   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
11894 }
11895
11896 static void FloodFill(int from_x, int from_y, int fill_element)
11897 {
11898   FloodFillLevel(from_x, from_y, fill_element, Feld, lev_fieldx, lev_fieldy);
11899 }
11900
11901 static void FloodFillWall_MM(int from_sx2, int from_sy2, int fill_element)
11902 {
11903   int from_x = from_sx2 + 2 * level_xpos;
11904   int from_y = from_sy2 + 2 * level_ypos;
11905   int max_fillx = lev_fieldx * 2;
11906   int max_filly = lev_fieldy * 2;
11907   short FillFeld[max_fillx][max_filly];
11908   int x, y;
11909
11910   for (x = 0; x < max_fillx; x++)
11911     for (y = 0; y < max_filly; y++)
11912       FillFeld[x][y] = getLevelElementHiRes(x, y);
11913
11914   FloodFillLevelExt(from_x, from_y, fill_element, max_fillx, max_filly,
11915                     FillFeld, max_fillx, max_filly);
11916
11917   for (x = 0; x < max_fillx; x++)
11918     for (y = 0; y < max_filly; y++)
11919       if (FillFeld[x][y] == fill_element)
11920         SetLevelElementHiRes(x, y, FillFeld[x][y]);
11921 }
11922
11923 /* values for DrawLevelText() modes */
11924 #define TEXT_INIT               0
11925 #define TEXT_SETCURSOR          1
11926 #define TEXT_WRITECHAR          2
11927 #define TEXT_BACKSPACE          3
11928 #define TEXT_NEWLINE            4
11929 #define TEXT_END                5
11930 #define TEXT_QUERY_TYPING       6
11931
11932 static int DrawLevelText(int sx, int sy, char letter, int mode)
11933 {
11934   static short delete_buffer[MAX_LEV_FIELDX];
11935   static int start_sx;
11936   static int last_sx, last_sy;
11937   static boolean typing = FALSE;
11938   int letter_element = EL_CHAR_ASCII0 + letter;
11939   int lx = 0, ly = 0;
11940
11941   /* map lower case letters to upper case and convert special characters */
11942   if (letter >= 'a' && letter <= 'z')
11943     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
11944   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
11945     letter_element = EL_CHAR_AUMLAUT;
11946   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
11947     letter_element = EL_CHAR_OUMLAUT;
11948   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
11949     letter_element = EL_CHAR_UUMLAUT;
11950   else if (letter == '^')
11951     letter_element = EL_CHAR_COPYRIGHT;
11952   else
11953     letter_element = EL_CHAR_ASCII0 + letter;
11954
11955   if (mode != TEXT_INIT)
11956   {
11957     if (!typing)
11958       return FALSE;
11959
11960     if (mode != TEXT_SETCURSOR)
11961     {
11962       sx = last_sx;
11963       sy = last_sy;
11964     }
11965
11966     lx = last_sx + level_xpos;
11967     ly = last_sy + level_ypos;
11968   }
11969
11970   switch (mode)
11971   {
11972     case TEXT_INIT:
11973       if (typing)
11974         DrawLevelText(0, 0, 0, TEXT_END);
11975
11976       typing = TRUE;
11977       start_sx = sx;
11978       last_sx = sx;
11979       last_sy = sy;
11980       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
11981       break;
11982
11983     case TEXT_SETCURSOR:
11984       DrawEditorElement(last_sx, last_sy, Feld[lx][ly]);
11985       DrawAreaBorder(sx, sy, sx, sy);
11986       last_sx = sx;
11987       last_sy = sy;
11988       break;
11989
11990     case TEXT_WRITECHAR:
11991       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
11992       {
11993         if (new_element1 >= EL_STEEL_CHAR_START &&
11994             new_element1 <= EL_STEEL_CHAR_END)
11995           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
11996
11997         delete_buffer[sx - start_sx] = Feld[lx][ly];
11998         Feld[lx][ly] = letter_element;
11999
12000         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
12001           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
12002         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
12003           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
12004         else
12005           DrawLevelText(0, 0, 0, TEXT_END);
12006
12007         level.changed = TRUE;
12008       }
12009       break;
12010
12011     case TEXT_BACKSPACE:
12012       if (sx > start_sx)
12013       {
12014         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
12015         DrawEditorElement(sx - 1, sy, Feld[lx - 1][ly]);
12016         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
12017       }
12018       break;
12019
12020     case TEXT_NEWLINE:
12021       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
12022         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
12023       else
12024         DrawLevelText(0, 0, 0, TEXT_END);
12025       break;
12026
12027     case TEXT_END:
12028       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12029       DrawEditorElement(sx, sy, Feld[lx][ly]);
12030       typing = FALSE;
12031       break;
12032
12033     case TEXT_QUERY_TYPING:
12034       break;
12035
12036     default:
12037       break;
12038   }
12039
12040   return typing;
12041 }
12042
12043 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
12044                           int element, boolean change_level)
12045 {
12046   int lx = sx + level_xpos;
12047   int ly = sy + level_ypos;
12048
12049   if (element == -1)
12050     DrawEditorElement(sx, sy, Feld[lx][ly]);
12051   else
12052     DrawAreaBorder(sx, sy, sx, sy);
12053 }
12054
12055 static void CheckLevelBorderElement(boolean redraw_playfield)
12056 {
12057   int last_border_element = BorderElement;
12058
12059   SetBorderElement();
12060
12061   if (redraw_playfield && BorderElement != last_border_element)
12062     DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12063 }
12064
12065 static void CopyLevelToUndoBuffer(int mode)
12066 {
12067   static boolean accumulated_undo = FALSE;
12068   boolean new_undo_buffer_position = TRUE;
12069   int x, y;
12070
12071   if (undo_buffer_steps == 0)
12072     accumulated_undo = FALSE;
12073
12074   switch (mode)
12075   {
12076     case UNDO_IMMEDIATE:
12077       accumulated_undo = FALSE;
12078       break;
12079
12080     case UNDO_ACCUMULATE:
12081       if (accumulated_undo)
12082         new_undo_buffer_position = FALSE;
12083       accumulated_undo = TRUE;
12084       break;
12085
12086     default:
12087       break;
12088   }
12089
12090   if (new_undo_buffer_position)
12091   {
12092     /* advance position in undo buffer ring */
12093     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
12094
12095     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
12096       undo_buffer_steps++;
12097   }
12098
12099   /* always reset redo buffer when storing level change into undo buffer */
12100   redo_buffer_steps = 0;
12101
12102   for (x = 0; x < lev_fieldx; x++)
12103     for (y = 0; y < lev_fieldy; y++)
12104       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
12105
12106   /* check if drawing operation forces change of border style */
12107   CheckLevelBorderElement(TRUE);
12108
12109   level.changed = TRUE;
12110 }
12111
12112 static void RandomPlacement(int new_element)
12113 {
12114   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
12115   int num_free_positions = 0;
12116   int num_percentage, num_elements;
12117   int x, y;
12118
12119   ResetIntelliDraw();
12120
12121   /* determine number of free positions for randomly placing the new element */
12122   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
12123   {
12124     free_position[x][y] =
12125       (random_placement_background_restricted ?
12126        Feld[x][y] == random_placement_background_element :
12127        Feld[x][y] != new_element);
12128
12129     if (free_position[x][y])
12130       num_free_positions++;
12131   }
12132
12133   /* determine number of new elements to place there */
12134   num_percentage = num_free_positions * random_placement_value / 100;
12135   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
12136                   num_percentage : random_placement_value);
12137
12138   /* if less free positions than elements to place, fill all these positions */
12139   if (num_free_positions < num_elements)
12140   {
12141     for (x = 0; x < lev_fieldx; x++)
12142       for (y = 0; y < lev_fieldy; y++)
12143         if (free_position[x][y])
12144           SetElement(x, y, new_element);
12145   }
12146   else
12147   {
12148     while (num_elements > 0)
12149     {
12150       x = GetSimpleRandom(lev_fieldx);
12151       y = GetSimpleRandom(lev_fieldy);
12152
12153       /* don't place element at the same position twice */
12154       if (free_position[x][y])
12155       {
12156         free_position[x][y] = FALSE;
12157         SetElement(x, y, new_element);
12158         num_elements--;
12159       }
12160     }
12161   }
12162
12163   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12164   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12165 }
12166
12167 void WrapLevel(int dx, int dy)
12168 {
12169   int wrap_dx = lev_fieldx - dx;
12170   int wrap_dy = lev_fieldy - dy;
12171   int x, y;
12172
12173   for (x = 0; x < lev_fieldx; x++)
12174     for (y = 0; y < lev_fieldy; y++)
12175       FieldBackup[x][y] = Feld[x][y];
12176
12177   for (x = 0; x < lev_fieldx; x++)
12178     for (y = 0; y < lev_fieldy; y++)
12179       Feld[x][y] =
12180         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
12181
12182   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12183   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
12184 }
12185
12186 static void HandleDrawingAreas(struct GadgetInfo *gi)
12187 {
12188   static boolean started_inside_drawing_area = FALSE;
12189   static int last_sx = -1, last_sy = -1;
12190   static int last_sx2 = -1, last_sy2 = -1;
12191   int id = gi->custom_id;
12192   int type_id = gi->custom_type_id;
12193   boolean button_press_event;
12194   boolean button_release_event;
12195   boolean inside_drawing_area = !gi->event.off_borders;
12196   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
12197   int actual_drawing_function;
12198   int button = gi->event.button;
12199   int new_element = BUTTON_ELEMENT(button);
12200   int sx = gi->event.x, sy = gi->event.y;
12201   int min_sx = 0, min_sy = 0;
12202   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
12203   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
12204   int mini_item_xsize = item_xsize / 2, mini_item_ysize = item_ysize / 2;
12205   int sx2 = gi->event.mx / mini_item_xsize;
12206   int sy2 = gi->event.my / mini_item_ysize;
12207   int dx = sx2 % 2;
12208   int dy = sy2 % 2;
12209   int lx = 0, ly = 0;
12210   int min_lx = 0, min_ly = 0;
12211   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
12212   int x, y;
12213
12214   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
12215   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
12216
12217   /* make sure to stay inside drawing area boundaries */
12218   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
12219   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
12220
12221   if (draw_level)
12222   {
12223     /* get positions inside level field */
12224     lx = sx + level_xpos;
12225     ly = sy + level_ypos;
12226
12227     if (!IN_LEV_FIELD(lx, ly))
12228       inside_drawing_area = FALSE;
12229
12230     /* make sure to stay inside level field boundaries */
12231     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
12232     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
12233
12234     /* correct drawing area positions accordingly */
12235     sx = lx - level_xpos;
12236     sy = ly - level_ypos;
12237   }
12238
12239   /* also correct MM wall-sized (double) drawing area positions accordingly */
12240   if (sx2 / 2 < sx || sx2 / 2 > sx)
12241   {
12242     dx = (sx2 / 2 < sx ? 0 : 1);
12243     sx2 = sx * 2 + dx;
12244   }
12245   if (sy2 / 2 < sy || sy2 / 2 > sy)
12246   {
12247     dy = (sy2 / 2 < sy ? 0 : 1);
12248     sy2 = sy * 2 + dy;
12249   }
12250
12251   if (button_release_event)
12252   {
12253     last_sx = -1;
12254     last_sy = -1;
12255     last_sx2 = -1;
12256     last_sy2 = -1;
12257   }
12258   else if (!button_press_event)
12259   {
12260     /* prevent handling events for every pixel position when moving mouse */
12261     if ((sx == last_sx && sy == last_sy &&
12262          !IS_MM_WALL_EDITOR(new_element) && new_element != EL_EMPTY) ||
12263         (sx2 == last_sx2 && sy2 == last_sy2))
12264       return;
12265   }
12266
12267   last_sx = sx;
12268   last_sy = sy;
12269   last_sx2 = sx2;
12270   last_sy2 = sy2;
12271
12272   if (button_press_event)
12273     started_inside_drawing_area = inside_drawing_area;
12274
12275   if (!started_inside_drawing_area)
12276     return;
12277
12278   if (!IS_VALID_BUTTON(button))
12279     return;
12280
12281   if (!button && !button_release_event)
12282     return;
12283
12284   /* handle info callback for each invocation of action callback */
12285   gi->callback_info(gi);
12286
12287   /* automatically switch to 'single item' drawing mode, if needed */
12288   actual_drawing_function =
12289     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
12290      drawing_function : GADGET_ID_SINGLE_ITEMS);
12291
12292   /* clicking into drawing area with pressed Control key picks element */
12293   if (GetKeyModState() & KMOD_Control)
12294   {
12295     last_drawing_function = drawing_function;
12296     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
12297   }
12298
12299   if (GetKeyModState() & KMOD_Shift)
12300   {
12301     if (button_press_event || button_release_event)
12302       ResetIntelliDraw();
12303   }
12304
12305   SetDrawModeHiRes(-1);         /* reset to normal draw mode */
12306
12307   switch (actual_drawing_function)
12308   {
12309     case GADGET_ID_SINGLE_ITEMS:
12310       if (draw_level)
12311       {
12312         if (button_release_event)
12313         {
12314           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12315
12316           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
12317               !inside_drawing_area)
12318             DeleteBrushFromCursor();
12319         }
12320
12321         if (!button || button_release_event)
12322           break;
12323
12324         if (draw_with_brush)
12325         {
12326           CopyBrushToLevel(sx, sy, button);
12327         }
12328         else
12329         {
12330           SetDrawModeHiRes(new_element);
12331
12332           if (new_element == EL_PLAYER_1)
12333           {
12334             /* remove player at old position */
12335             for (y = 0; y < lev_fieldy; y++)
12336               for (x = 0; x < lev_fieldx; x++)
12337                 if (Feld[x][y] == EL_PLAYER_1)
12338                   SetElement(x, y, EL_EMPTY);
12339           }
12340
12341           SetElementButton(lx, ly, dx, dy, new_element, button);
12342         }
12343       }
12344       else if (!button_release_event)
12345       {
12346         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
12347
12348         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
12349           DrawMiniGraphicExt(drawto,
12350                              gi->x + sx * MINI_TILEX,
12351                              gi->y + sy * MINI_TILEY,
12352                              el2edimg(new_element));
12353         else
12354           DrawFixedGraphicExt(drawto,
12355                               gi->x + sx * TILEX,
12356                               gi->y + sy * TILEY,
12357                               el2edimg(new_element), 0);
12358
12359         if (id == GADGET_ID_CUSTOM_GRAPHIC)
12360           new_element = GFX_ELEMENT(new_element);
12361
12362         drawingarea_info[type_id].value[pos] = new_element;
12363
12364         CopyElementPropertiesToGame(properties_element);
12365
12366         if (id == GADGET_ID_CUSTOM_GRAPHIC)
12367         {
12368           UpdateCustomElementGraphicGadgets();
12369
12370           FrameCounter = 0;     /* restart animation frame counter */
12371         }
12372       }
12373       break;
12374
12375     case GADGET_ID_CONNECTED_ITEMS:
12376       {
12377         static int last_sx = -1;
12378         static int last_sy = -1;
12379
12380         if (button_release_event)
12381           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12382
12383         if (button)
12384         {
12385           SetDrawModeHiRes(new_element);
12386
12387           if (getDrawModeHiRes())
12388           {
12389             sx = sx2;
12390             sy = sy2;
12391           }
12392
12393           if (!button_press_event)
12394             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
12395
12396           last_sx = sx;
12397           last_sy = sy;
12398         }
12399       }
12400       break;
12401
12402     case GADGET_ID_LINE:
12403     case GADGET_ID_ARC:
12404     case GADGET_ID_RECTANGLE:
12405     case GADGET_ID_FILLED_BOX:
12406       SetDrawModeHiRes(new_element);
12407
12408       if (getDrawModeHiRes())
12409       {
12410         sx = sx2;
12411         sy = sy2;
12412       }
12413       /* FALLTHROUGH */
12414     case GADGET_ID_GRAB_BRUSH:
12415     case GADGET_ID_TEXT:
12416       {
12417         static int last_sx = -1;
12418         static int last_sy = -1;
12419         static int start_sx = -1;
12420         static int start_sy = -1;
12421         void (*draw_func)(int, int, int, int, int, boolean);
12422
12423         if (drawing_function == GADGET_ID_LINE)
12424           draw_func = DrawLine;
12425         else if (drawing_function == GADGET_ID_ARC)
12426           draw_func = DrawArc;
12427         else if (drawing_function == GADGET_ID_RECTANGLE)
12428           draw_func = DrawBox;
12429         else if (drawing_function == GADGET_ID_FILLED_BOX)
12430           draw_func = DrawFilledBox;
12431         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
12432           draw_func = SelectArea;
12433         else /* (drawing_function == GADGET_ID_TEXT) */
12434           draw_func = SetTextCursor;
12435
12436         if (button_press_event)
12437         {
12438           draw_func(sx, sy, sx, sy, new_element, FALSE);
12439           start_sx = last_sx = sx;
12440           start_sy = last_sy = sy;
12441
12442           if (drawing_function == GADGET_ID_TEXT)
12443             DrawLevelText(0, 0, 0, TEXT_END);
12444         }
12445         else if (button_release_event)
12446         {
12447           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
12448           if (drawing_function == GADGET_ID_GRAB_BRUSH)
12449           {
12450             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
12451             CopyBrushToCursor(sx, sy);
12452             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
12453                           MB_LEFTBUTTON);
12454             draw_with_brush = TRUE;
12455           }
12456           else if (drawing_function == GADGET_ID_TEXT)
12457             DrawLevelText(sx, sy, 0, TEXT_INIT);
12458           else
12459             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12460         }
12461         else if (last_sx != sx || last_sy != sy)
12462         {
12463           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
12464           if (IS_MM_WALL_EDITOR(new_element))   /* clear wall background */
12465             draw_func(start_sx, start_sy, sx, sy, EL_EMPTY, FALSE);
12466           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
12467           last_sx = sx;
12468           last_sy = sy;
12469         }
12470       }
12471       break;
12472
12473     case GADGET_ID_FLOOD_FILL:
12474       if (button_press_event && Feld[lx][ly] != new_element)
12475       {
12476         if (IS_MM_WALL_EDITOR(new_element))
12477           FloodFillWall_MM(sx2, sy2, new_element);
12478         else
12479           FloodFill(lx, ly, new_element);
12480
12481         DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12482         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12483       }
12484       break;
12485
12486     case GADGET_ID_PICK_ELEMENT:
12487       if (button_release_event)
12488         ClickOnGadget(level_editor_gadget[last_drawing_function],
12489                       MB_LEFTBUTTON);
12490       else if (draw_level)
12491         PickDrawingElement(button, Feld[lx][ly]);
12492       else
12493       {
12494         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
12495
12496         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
12497       }
12498
12499     default:
12500       break;
12501   }
12502
12503   /* do not mark level as modified for certain non-level-changing gadgets */
12504   if ((type_id >= ED_DRAWING_ID_EDITOR_FIRST &&
12505        type_id <= ED_DRAWING_ID_EDITOR_LAST) ||
12506       actual_drawing_function == GADGET_ID_GRAB_BRUSH ||
12507       actual_drawing_function == GADGET_ID_PICK_ELEMENT)
12508     return;
12509
12510   level.changed = TRUE;
12511 }
12512
12513 static void HandleCounterButtons(struct GadgetInfo *gi)
12514 {
12515   int gadget_id = gi->custom_id;
12516   int counter_id = gi->custom_type_id;
12517   int button = gi->event.button;
12518   int *counter_value = counterbutton_info[counter_id].value;
12519   int step = BUTTON_STEPSIZE(button) *
12520     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
12521
12522   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
12523   {
12524     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
12525     boolean released = (gi->event.type == GD_EVENT_RELEASED);
12526     boolean level_changed = LevelChanged();
12527
12528     if ((level_changed && pressed) || (!level_changed && released))
12529       return;
12530
12531     if (level_changed && !Request("Level has changed! Discard changes?",
12532                                   REQ_ASK))
12533     {
12534       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
12535         ModifyEditorCounterValue(counter_id, *counter_value);
12536
12537       return;
12538     }
12539   }
12540
12541   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
12542     *counter_value = gi->textinput.number_value;
12543   else
12544     ModifyEditorCounterValue(counter_id, *counter_value + step);
12545
12546   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
12547   {
12548     int last_game_engine_type = level.game_engine_type;
12549
12550     LoadLevel(level_nr);
12551     LoadScore(level_nr);
12552
12553     SaveLevelSetup_SeriesInfo();
12554
12555     TapeErase();
12556
12557     ResetUndoBuffer();
12558     DrawEditModeWindow();
12559
12560     if (level.game_engine_type != last_game_engine_type)
12561     {
12562       /* update element selection list */
12563       ReinitializeElementList();
12564       ModifyEditorElementList();
12565     }
12566
12567     return;
12568   }
12569
12570   switch (counter_id)
12571   {
12572     case ED_COUNTER_ID_YAMYAM_CONTENT:
12573       DrawYamYamContentAreas();
12574       break;
12575
12576     case ED_COUNTER_ID_BALL_CONTENT:
12577       DrawMagicBallContentAreas();
12578       break;
12579
12580     case ED_COUNTER_ID_ANDROID_CONTENT:
12581       DrawAndroidElementArea(properties_element);
12582       break;
12583
12584     case ED_COUNTER_ID_GROUP_CONTENT:
12585       DrawGroupElementArea(properties_element);
12586       CopyGroupElementPropertiesToGame(properties_element);
12587       break;
12588
12589     case ED_COUNTER_ID_INVENTORY_SIZE:
12590       DrawPlayerInitialInventoryArea(properties_element);
12591       break;
12592
12593     case ED_COUNTER_ID_ENVELOPE_XSIZE:
12594     case ED_COUNTER_ID_ENVELOPE_YSIZE:
12595       DrawEnvelopeTextArea(-1);
12596       break;
12597
12598     case ED_COUNTER_ID_LEVEL_XSIZE:
12599     case ED_COUNTER_ID_LEVEL_YSIZE:
12600       lev_fieldx = level.fieldx;
12601       lev_fieldy = level.fieldy;
12602
12603       /* check if resizing of level results in change of border border */
12604       SetBorderElement();
12605
12606       break;
12607
12608     default:
12609       break;
12610   }
12611
12612   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
12613        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
12614       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
12615        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
12616     CopyElementPropertiesToGame(properties_element);
12617
12618   /* do not mark level as modified for certain non-level-changing gadgets */
12619   if ((counter_id >= ED_COUNTER_ID_LEVELSET_FIRST &&
12620        counter_id <= ED_COUNTER_ID_LEVELSET_LAST) ||
12621       (counter_id >= ED_COUNTER_ID_EDITOR_FIRST &&
12622        counter_id <= ED_COUNTER_ID_EDITOR_LAST))
12623     return;
12624
12625   level.changed = TRUE;
12626 }
12627
12628 static void HandleTextInputGadgets(struct GadgetInfo *gi)
12629 {
12630   int type_id = gi->custom_type_id;
12631
12632   strcpy(textinput_info[type_id].value, gi->textinput.value);
12633
12634   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
12635   {
12636     CopyElementPropertiesToGame(properties_element);
12637
12638     ModifyEditorElementList();  /* update changed button info text */
12639   }
12640
12641   /* do not mark level as modified for certain non-level-changing gadgets */
12642   if (type_id >= ED_TEXTINPUT_ID_LEVELSET_FIRST &&
12643       type_id <= ED_TEXTINPUT_ID_LEVELSET_LAST)
12644     return;
12645
12646   level.changed = TRUE;
12647 }
12648
12649 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
12650 {
12651   int type_id = gi->custom_type_id;
12652
12653   strncpy(textarea_info[type_id].value, gi->textarea.value,
12654           MAX_ENVELOPE_TEXT_LEN);
12655   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
12656
12657   level.changed = TRUE;
12658 }
12659
12660 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
12661 {
12662   int type_id = gi->custom_type_id;
12663   int value_old = *selectbox_info[type_id].value;
12664   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
12665
12666   *selectbox_info[type_id].value = value_new;
12667
12668   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE)
12669   {
12670     DrawLevelInfoWindow();
12671   }
12672   else if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
12673   {
12674     element_info[properties_element].current_change_page = gi->selectbox.index;
12675
12676     DrawPropertiesWindow();
12677   }
12678   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
12679             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
12680            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
12681             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
12682            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
12683   {
12684     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
12685     {
12686       /* when changing action type, also check action mode and action arg */
12687       if (value_old != value_new)
12688         setSelectboxSpecialActionVariablesIfNeeded();
12689
12690       DrawPropertiesChange();
12691     }
12692
12693     CopyElementPropertiesToGame(properties_element);
12694   }
12695   else if (type_id == ED_SELECTBOX_ID_GAME_ENGINE_TYPE)
12696   {
12697     /* update element selection list */
12698     ReinitializeElementList();
12699     ModifyEditorElementList();
12700   }
12701
12702   /* do not mark level as modified for certain non-level-changing gadgets */
12703   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE ||
12704       type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
12705     return;
12706
12707   level.changed = TRUE;
12708 }
12709
12710 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
12711 {
12712   int type_id = gi->custom_type_id;
12713   int i;
12714
12715   if (type_id >= ED_TAB_BUTTON_ID_LEVELINFO_FIRST &&
12716       type_id <= ED_TAB_BUTTON_ID_LEVELINFO_LAST)
12717   {
12718     edit_mode_levelinfo = gi->custom_type_id;
12719
12720     DrawLevelInfoWindow();
12721   }
12722   else if (type_id >= ED_TAB_BUTTON_ID_PROPERTIES_FIRST &&
12723            type_id <= ED_TAB_BUTTON_ID_PROPERTIES_LAST)
12724   {
12725     edit_mode_properties = gi->custom_type_id;
12726
12727     DrawPropertiesWindow();
12728   }
12729   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1 ||
12730            type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2)
12731   {
12732     boolean new_template = !fileExists(getLocalLevelTemplateFilename());
12733
12734     /* backup original "level.field" (needed to track playfield changes) */
12735     CopyPlayfield(level.field, FieldBackup);
12736
12737     /* "SaveLevelTemplate()" uses "level.field", so copy editor playfield */
12738     CopyPlayfield(Feld, level.field);
12739
12740     if (new_template ||
12741         Request("Save this template and kill the old?", REQ_ASK))
12742       SaveLevelTemplate();
12743
12744     if (new_template)
12745       Request("Template saved!", REQ_CONFIRM);
12746
12747     /* restore original "level.field" (needed to track playfield changes) */
12748     CopyPlayfield(FieldBackup, level.field);
12749   }
12750   else if (type_id == ED_TEXTBUTTON_ID_SAVE_LEVELSET)
12751   {
12752     char *levelset_subdir = getLevelSubdirFromSaveMode(levelset_save_mode);
12753
12754     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE &&
12755         leveldir_current->readonly)
12756     {
12757       Request("This level set is read only!", REQ_CONFIRM);
12758
12759       return;
12760     }
12761
12762     if (strEqual(levelset_name, ""))
12763     {
12764       Request("Please enter level set title!", REQ_CONFIRM);
12765
12766       return;
12767     }
12768
12769     if (strEqual(levelset_author, ""))
12770     {
12771       Request("Please enter level set author!", REQ_CONFIRM);
12772
12773       return;
12774     }
12775
12776     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE)
12777     {
12778       if (UpdateUserLevelSet(levelset_subdir,
12779                              levelset_name,
12780                              levelset_author,
12781                              levelset_num_levels))
12782       {
12783         Request("Level set updated!", REQ_CONFIRM);
12784       }
12785       else
12786       {
12787         Request("Updating level set failed!", REQ_CONFIRM);
12788       }
12789     }
12790     else
12791     {
12792       if (CreateUserLevelSet(levelset_subdir,
12793                              levelset_name,
12794                              levelset_author,
12795                              levelset_num_levels))
12796       {
12797         Request("New level set created!", REQ_CONFIRM);
12798
12799         AddUserLevelSetToLevelInfo(levelset_subdir);
12800         ChangeEditorToLevelSet(levelset_subdir);
12801       }
12802       else
12803       {
12804         Request("Creating new level set failed!", REQ_CONFIRM);
12805       }
12806     }
12807   }
12808   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
12809            custom_element.num_change_pages < MAX_CHANGE_PAGES)
12810   {
12811     struct ElementInfo *ei = &element_info[properties_element];
12812
12813     /* when modifying custom element, ask for copying level template */
12814     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
12815       return;
12816
12817     setElementChangePages(ei, ei->num_change_pages + 1);
12818
12819     /* set new change page to be new current change page */
12820     ei->current_change_page = ei->num_change_pages - 1;
12821     ei->change = &ei->change_page[ei->current_change_page];
12822
12823     setElementChangeInfoToDefaults(ei->change);
12824
12825     DrawPropertiesWindow();
12826
12827     level.changed = TRUE;
12828   }
12829   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
12830            custom_element.num_change_pages > MIN_CHANGE_PAGES)
12831   {
12832     struct ElementInfo *ei = &element_info[properties_element];
12833
12834     /* when modifying custom element, ask for copying level template */
12835     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
12836       return;
12837
12838     /* copy all change pages after change page to be deleted */
12839     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
12840       ei->change_page[i] = ei->change_page[i + 1];
12841
12842     setElementChangePages(ei, ei->num_change_pages - 1);
12843
12844     DrawPropertiesWindow();
12845
12846     level.changed = TRUE;
12847   }
12848 }
12849
12850 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
12851 {
12852   int type_id = gi->custom_type_id;
12853
12854   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
12855       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
12856   {
12857     struct ElementInfo *ei = &element_info[properties_element];
12858     int step = BUTTON_STEPSIZE(gi->event.button);
12859
12860     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
12861     ei->current_change_page += step;
12862
12863     if (ei->current_change_page < 0)
12864       ei->current_change_page = 0;
12865     else if (ei->current_change_page >= ei->num_change_pages)
12866       ei->current_change_page = ei->num_change_pages - 1;
12867
12868     DrawPropertiesWindow();
12869   }
12870   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
12871            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
12872   {
12873     struct ElementInfo *ei = &element_info[properties_element];
12874     int current_change_page = ei->current_change_page;
12875
12876     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
12877     {
12878       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
12879         ei->change_page[current_change_page];
12880     }
12881     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
12882     {
12883       /* when modifying custom element, ask for copying level template */
12884       if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
12885         return;
12886
12887       ei->change_page[current_change_page] =
12888         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
12889
12890       level.changed = TRUE;
12891     }
12892
12893     DrawPropertiesWindow();
12894   }
12895 }
12896
12897 static void HandleRadiobuttons(struct GadgetInfo *gi)
12898 {
12899   int type_id = gi->custom_type_id;
12900
12901   *radiobutton_info[type_id].value =
12902     radiobutton_info[type_id].checked_value;
12903
12904   /* do not mark level as modified for certain non-level-changing gadgets */
12905   if (type_id >= ED_RADIOBUTTON_ID_EDITOR_FIRST &&
12906       type_id <= ED_RADIOBUTTON_ID_EDITOR_LAST)
12907     return;
12908
12909   level.changed = TRUE;
12910 }
12911
12912 static void HandleCheckbuttons(struct GadgetInfo *gi)
12913 {
12914   int type_id = gi->custom_type_id;
12915
12916   *checkbutton_info[type_id].value ^= TRUE;
12917
12918   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
12919       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
12920       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
12921       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
12922          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
12923         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
12924          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
12925        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1))
12926   {
12927     CopyElementPropertiesToGame(properties_element);
12928   }
12929
12930   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
12931   {
12932     UpdateCustomElementGraphicGadgets();
12933   }
12934   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1 ||
12935            type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2)
12936   {
12937     boolean template_related_changes_found = FALSE;
12938     int i;
12939
12940     /* check if any custom or group elements have been changed */
12941     for (i = 0; i < NUM_FILE_ELEMENTS; i++)
12942       if ((IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)) &&
12943           element_info[i].modified_settings)
12944         template_related_changes_found = TRUE;
12945
12946     if (level.use_custom_template &&
12947         !fileExists(getGlobalLevelTemplateFilename()))
12948     {
12949       Request("No level template found!", REQ_CONFIRM);
12950
12951       level.use_custom_template = FALSE;
12952
12953       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
12954
12955       return;
12956     }
12957
12958     if (level.use_custom_template &&
12959         template_related_changes_found &&
12960         !Request("Discard changes and use level template?", REQ_ASK))
12961     {
12962       level.use_custom_template = FALSE;
12963
12964       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
12965
12966       return;
12967     }
12968
12969     if (!level.use_custom_template &&
12970         Request("Copy settings from level template?", REQ_ASK))
12971     {
12972       return;
12973     }
12974
12975     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
12976
12977     DrawEditModeWindow();
12978   }
12979   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3)
12980   {
12981     if (setup.editor.use_template_for_new_levels &&
12982         !fileExists(getGlobalLevelTemplateFilename()))
12983     {
12984       Request("No level template found!", REQ_CONFIRM);
12985
12986       return;
12987     }
12988
12989     if (setup.editor.use_template_for_new_levels &&
12990         level.changed &&
12991         !Request("Discard level and load template?", REQ_ASK))
12992     {
12993       return;
12994     }
12995
12996     if (!setup.editor.use_template_for_new_levels &&
12997         level.changed &&
12998         !Request("Discard level and use empty level?", REQ_ASK))
12999     {
13000       return;
13001     }
13002
13003     LoadLevel(level_nr);
13004     LoadScore(level_nr);
13005
13006     TapeErase();
13007
13008     ResetUndoBuffer();
13009     DrawEditModeWindow();
13010   }
13011   else if (type_id == ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS)
13012   {
13013     SetAutomaticNumberOfGemsNeeded();
13014   }
13015
13016   /* do not mark level as modified for certain non-level-changing gadgets */
13017   if ((type_id >= ED_CHECKBUTTON_ID_EDITOR_FIRST &&
13018        type_id <= ED_CHECKBUTTON_ID_EDITOR_LAST) ||
13019       type_id == ED_CHECKBUTTON_ID_STICK_ELEMENT)
13020     return;
13021
13022   level.changed = TRUE;
13023 }
13024
13025 static void HandleControlButtons(struct GadgetInfo *gi)
13026 {
13027   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
13028   static int last_edit_mode = ED_MODE_DRAWING;
13029   static int last_custom_copy_mode = -1;
13030   static int last_button = 0;
13031   int id = gi->custom_id;
13032   int button = gi->event.button;
13033   int step = BUTTON_STEPSIZE(button);
13034   int new_element = BUTTON_ELEMENT(button);
13035   int last_properties_element = properties_element;
13036   int x, y;
13037
13038   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
13039     DrawLevelText(0, 0, 0, TEXT_END);
13040
13041   if (id < ED_NUM_CTRL1_BUTTONS &&
13042       id != GADGET_ID_SINGLE_ITEMS &&
13043       id != GADGET_ID_PICK_ELEMENT &&
13044       edit_mode != ED_MODE_DRAWING &&
13045       drawing_function != GADGET_ID_PICK_ELEMENT &&
13046       !(GetKeyModState() & KMOD_Control))
13047     ChangeEditModeWindow(ED_MODE_DRAWING);
13048
13049   /* element copy mode active, but no element button pressed => deactivate */
13050   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
13051     last_custom_copy_mode = -1;
13052
13053   /* when showing palette on element buttons, change element of button used */
13054   if (editor.palette.show_on_element_buttons &&
13055       id >= GADGET_ID_ELEMENT_LEFT && id <= GADGET_ID_ELEMENT_RIGHT)
13056   {
13057     last_button = id - GADGET_ID_ELEMENT_LEFT + 1;
13058
13059     id = GADGET_ID_PALETTE;
13060   }
13061
13062   switch (id)
13063   {
13064     case GADGET_ID_SCROLL_LEFT:
13065       if (level_xpos >= 0)
13066       {
13067         if (lev_fieldx < ed_fieldx - 2)
13068           break;
13069
13070         level_xpos -= step;
13071         if (level_xpos < -1)
13072           level_xpos = -1;
13073         if (button == 1)
13074           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
13075         else
13076           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13077
13078         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
13079                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
13080       }
13081       break;
13082
13083     case GADGET_ID_SCROLL_RIGHT:
13084       if (level_xpos <= lev_fieldx - ed_fieldx)
13085       {
13086         if (lev_fieldx < ed_fieldx - 2)
13087           break;
13088
13089         level_xpos += step;
13090         if (level_xpos > lev_fieldx - ed_fieldx + 1)
13091           level_xpos = lev_fieldx - ed_fieldx + 1;
13092         if (button == 1)
13093           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
13094         else
13095           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13096
13097         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
13098                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
13099       }
13100       break;
13101
13102     case GADGET_ID_SCROLL_UP:
13103       if (level_ypos >= 0)
13104       {
13105         if (lev_fieldy < ed_fieldy - 2)
13106           break;
13107
13108         level_ypos -= step;
13109         if (level_ypos < -1)
13110           level_ypos = -1;
13111         if (button == 1)
13112           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
13113         else
13114           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13115
13116         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
13117                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
13118       }
13119       break;
13120
13121     case GADGET_ID_SCROLL_DOWN:
13122       if (level_ypos <= lev_fieldy - ed_fieldy)
13123       {
13124         if (lev_fieldy < ed_fieldy - 2)
13125           break;
13126
13127         level_ypos += step;
13128         if (level_ypos > lev_fieldy - ed_fieldy + 1)
13129           level_ypos = lev_fieldy - ed_fieldy + 1;
13130         if (button == 1)
13131           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_UP);
13132         else
13133           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13134
13135         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
13136                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
13137       }
13138       break;
13139
13140     case GADGET_ID_SCROLL_HORIZONTAL:
13141       level_xpos = gi->event.item_position - 1;
13142
13143       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13144       BackToFront();
13145
13146       break;
13147
13148     case GADGET_ID_SCROLL_VERTICAL:
13149       level_ypos = gi->event.item_position - 1;
13150
13151       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13152       BackToFront();
13153
13154       break;
13155
13156     case GADGET_ID_SCROLL_LIST_UP:
13157     case GADGET_ID_SCROLL_LIST_DOWN:
13158     case GADGET_ID_SCROLL_LIST_VERTICAL:
13159       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
13160         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
13161       else
13162       {
13163         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
13164         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
13165
13166         if (element_shift < 0)
13167           element_shift = 0;
13168         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
13169           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
13170
13171         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
13172                      GDI_SCROLLBAR_ITEM_POSITION,
13173                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
13174       }
13175
13176       ModifyEditorElementList();
13177
13178       break;
13179
13180     case GADGET_ID_PROPERTIES:
13181       // always switch off element properties when they are already displayed
13182       last_properties_element = new_element;
13183     case GADGET_ID_ELEMENT_LEFT:
13184     case GADGET_ID_ELEMENT_MIDDLE:
13185     case GADGET_ID_ELEMENT_RIGHT:
13186       properties_element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
13187                             id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
13188                             id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 :
13189                             new_element);
13190
13191       if (edit_mode != ED_MODE_PROPERTIES)
13192       {
13193         last_edit_mode = edit_mode;
13194
13195         ChangeEditModeWindow(ED_MODE_PROPERTIES);
13196
13197         last_level_drawing_function = drawing_function;
13198         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
13199                       MB_LEFTBUTTON);
13200       }
13201       else if (properties_element != last_properties_element)
13202       {
13203         DrawEditModeWindow();
13204       }
13205       else
13206       {
13207         ChangeEditModeWindow(last_edit_mode);
13208
13209         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
13210                       MB_LEFTBUTTON);
13211       }
13212       break;
13213
13214     case GADGET_ID_PALETTE:
13215       if (edit_mode != ED_MODE_PALETTE)
13216       {
13217         last_edit_mode = edit_mode;
13218
13219         ChangeEditModeWindow(ED_MODE_PALETTE);
13220       }
13221       else
13222       {
13223         ChangeEditModeWindow(last_edit_mode);
13224       }
13225       break;
13226
13227     case GADGET_ID_WRAP_LEFT:
13228       WrapLevel(-step, 0);
13229       break;
13230
13231     case GADGET_ID_WRAP_RIGHT:
13232       WrapLevel(step, 0);
13233       break;
13234
13235     case GADGET_ID_WRAP_UP:
13236       WrapLevel(0, -step);
13237       break;
13238
13239     case GADGET_ID_WRAP_DOWN:
13240       WrapLevel(0, step);
13241       break;
13242
13243     case GADGET_ID_SINGLE_ITEMS:
13244     case GADGET_ID_CONNECTED_ITEMS:
13245     case GADGET_ID_LINE:
13246     case GADGET_ID_ARC:
13247     case GADGET_ID_TEXT:
13248     case GADGET_ID_RECTANGLE:
13249     case GADGET_ID_FILLED_BOX:
13250     case GADGET_ID_FLOOD_FILL:
13251     case GADGET_ID_GRAB_BRUSH:
13252     case GADGET_ID_PICK_ELEMENT:
13253       if (drawing_function != GADGET_ID_PICK_ELEMENT)
13254         last_drawing_function = drawing_function;
13255       drawing_function = id;
13256       draw_with_brush = FALSE;
13257       break;
13258
13259     case GADGET_ID_RANDOM_PLACEMENT:
13260       RandomPlacement(new_element);
13261       break;
13262
13263     case GADGET_ID_ZOOM:
13264       // zoom level editor tile size in or out (or reset to default size)
13265       ed_tilesize = (button == 1 ? ed_tilesize * 2 :
13266                      button == 2 ? DEFAULT_EDITOR_TILESIZE :
13267                      button == 3 ? ed_tilesize / 2 : ed_tilesize);
13268
13269       // limit zoom level by upper and lower bound
13270       ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
13271
13272       InitZoomLevelSettings(ed_tilesize);
13273
13274       if (edit_mode == ED_MODE_DRAWING)
13275       {
13276         DrawDrawingWindow();
13277
13278         /* redraw zoom gadget info text */
13279         PrintEditorGadgetInfoText(level_editor_gadget[id]);
13280       }
13281
13282       /* save current editor zoom tilesize */
13283       SaveSetup_AutoSetup();
13284
13285       break;
13286
13287     case GADGET_ID_CUSTOM_COPY_FROM:
13288     case GADGET_ID_CUSTOM_COPY_TO:
13289     case GADGET_ID_CUSTOM_EXCHANGE:
13290       last_custom_copy_mode = id;
13291       last_drawing_function = drawing_function;
13292       break;
13293
13294     case GADGET_ID_CUSTOM_COPY:
13295       CopyCustomElement(properties_element, -1, id);
13296       break;
13297
13298     case GADGET_ID_CUSTOM_PASTE:
13299       CopyCustomElement(-1, properties_element, id);
13300       break;
13301
13302     case GADGET_ID_UNDO:
13303       if (button == 1 && GetKeyModState() & (KMOD_Shift|KMOD_Control))
13304         button = 3;
13305
13306       if (button == 1 && undo_buffer_steps == 0)
13307       {
13308         Request("Undo buffer empty!", REQ_CONFIRM);
13309
13310         break;
13311       }
13312       else if (button == 2)
13313       {
13314         break;
13315       }
13316       else if (button == 3 && redo_buffer_steps == 0)
13317       {
13318         Request("Redo buffer empty!", REQ_CONFIRM);
13319
13320         break;
13321       }
13322
13323       if (edit_mode != ED_MODE_DRAWING)
13324         ChangeEditModeWindow(ED_MODE_DRAWING);
13325
13326       if (button == 1)
13327       {
13328         /* undo */
13329
13330         undo_buffer_position =
13331           (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
13332
13333         undo_buffer_steps--;
13334         redo_buffer_steps++;
13335       }
13336       else
13337       {
13338         /* redo */
13339
13340         undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
13341
13342         undo_buffer_steps++;
13343         redo_buffer_steps--;
13344       }
13345
13346       for (x = 0; x < lev_fieldx; x++)
13347         for (y = 0; y < lev_fieldy; y++)
13348           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
13349
13350       /* check if undo operation forces change of border style */
13351       CheckLevelBorderElement(FALSE);
13352
13353       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13354
13355       break;
13356
13357     case GADGET_ID_INFO:
13358       if (edit_mode != ED_MODE_INFO)
13359       {
13360         last_edit_mode = edit_mode;
13361
13362         ChangeEditModeWindow(ED_MODE_INFO);
13363       }
13364       else
13365       {
13366         ChangeEditModeWindow(last_edit_mode);
13367       }
13368       break;
13369
13370     case GADGET_ID_CLEAR:
13371       if (edit_mode != ED_MODE_DRAWING)
13372         ChangeEditModeWindow(ED_MODE_DRAWING);
13373
13374       for (x = 0; x < MAX_LEV_FIELDX; x++)
13375         for (y = 0; y < MAX_LEV_FIELDY; y++)
13376           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
13377
13378       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
13379
13380       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13381       break;
13382
13383     case GADGET_ID_SAVE:
13384     {
13385       /* saving read-only levels into personal level set modifies global vars
13386          "leveldir_current" and "level_nr"; restore them after saving level */
13387       LevelDirTree *leveldir_former = leveldir_current;
13388       int level_nr_former = level_nr;
13389       char *level_filename;
13390       boolean new_level;
13391
13392       if (leveldir_current->readonly &&
13393           !PrepareSavingIntoPersonalLevelSet())
13394         break;
13395
13396       level_filename = getDefaultLevelFilename(level_nr);
13397       new_level = !fileExists(level_filename);
13398
13399       if (new_level ||
13400           Request("Save this level and kill the old?", REQ_ASK))
13401       {
13402         if (leveldir_former->readonly)
13403           ModifyLevelInfoForSavingIntoPersonalLevelSet(leveldir_former->name);
13404
13405         SetAutomaticNumberOfGemsNeeded();
13406
13407         CopyPlayfield(Feld, level.field);
13408         SaveLevel(level_nr);
13409
13410         level.changed = FALSE;
13411
13412         if (new_level)
13413         {
13414           char level_saved_msg[64];
13415
13416           if (leveldir_former->readonly)
13417             sprintf(level_saved_msg,
13418                     "Level saved as level %d into personal level set!",
13419                     level_nr);
13420           else
13421             strcpy(level_saved_msg, "Level saved!");
13422
13423           Request(level_saved_msg, REQ_CONFIRM);
13424         }
13425       }
13426
13427       /* "cd" back to copied-from levelset (in case of saved read-only level) */
13428       leveldir_current = leveldir_former;
13429       level_nr = level_nr_former;
13430
13431       break;
13432     }
13433
13434     case GADGET_ID_TEST:
13435       if (LevelChanged())
13436         level.game_version = GAME_VERSION_ACTUAL;
13437
13438       CopyPlayfield(level.field, FieldBackup);
13439       CopyPlayfield(Feld, level.field);
13440
13441       CopyNativeLevel_RND_to_Native(&level);
13442
13443       UnmapLevelEditorGadgets();
13444       UndrawSpecialEditorDoor();
13445
13446       CloseDoor(DOOR_CLOSE_ALL);
13447
13448       /* needed before playing if editor playfield area has different size */
13449       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
13450
13451       // redraw_mask = REDRAW_ALL;
13452
13453       level_editor_test_game = TRUE;
13454
13455       StartGameActions(FALSE, setup.autorecord, level.random_seed);
13456
13457       break;
13458
13459     case GADGET_ID_EXIT:
13460       RequestExitLevelEditor(TRUE, FALSE);  /* if level has changed, ask user */
13461       break;
13462
13463     default:
13464       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
13465           id <= GADGET_ID_ELEMENTLIST_LAST)
13466       {
13467         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
13468         int new_element = editor_elements[element_position + element_shift];
13469
13470         if (IS_EDITOR_CASCADE(new_element))
13471         {
13472           int i;
13473
13474           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
13475           {
13476             int *cascade_element= &(*editor_elements_info[i].headline_list)[0];
13477             boolean *cascade_value=editor_elements_info[i].setup_cascade_value;
13478
13479             if (*cascade_element == new_element)
13480             {
13481               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
13482               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
13483
13484               /* update element selection list */
13485               ReinitializeElementList();
13486               ModifyEditorElementList();
13487
13488               /* update cascading gadget info text */
13489               PrintEditorGadgetInfoText(level_editor_gadget[id]);
13490
13491               /* save current editor cascading state */
13492               SaveSetup_EditorCascade();
13493
13494               break;
13495             }
13496           }
13497
13498           break;
13499         }
13500
13501         if (last_custom_copy_mode != -1)
13502         {
13503           if (CopyCustomElement(properties_element, new_element,
13504                                 last_custom_copy_mode))
13505           {
13506             ClickOnGadget(level_editor_gadget[last_drawing_function],
13507                           MB_LEFTBUTTON);
13508
13509             last_custom_copy_mode = -1;
13510           }
13511
13512           break;
13513         }
13514
13515         /* change element of button used to show palette */
13516         if (editor.palette.show_on_element_buttons)
13517           button = last_button;
13518
13519         PickDrawingElement(button, new_element);
13520
13521         if (!stick_element_properties_window &&
13522             drawing_function != GADGET_ID_PICK_ELEMENT &&
13523             !(GetKeyModState() & KMOD_Control))
13524         {
13525           properties_element = new_element;
13526           if (edit_mode == ED_MODE_PROPERTIES)
13527             DrawPropertiesWindow();
13528         }
13529
13530         if (drawing_function == GADGET_ID_PICK_ELEMENT)
13531           ClickOnGadget(level_editor_gadget[last_drawing_function],
13532                         MB_LEFTBUTTON);
13533
13534         if (!use_permanent_palette)
13535           ChangeEditModeWindow(last_edit_mode);
13536       }
13537 #ifdef DEBUG
13538       else if (gi->event.type == GD_EVENT_PRESSED)
13539         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
13540       else if (gi->event.type == GD_EVENT_RELEASED)
13541         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
13542       else if (gi->event.type == GD_EVENT_MOVING)
13543         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
13544       else
13545         printf("default: HandleControlButtons: ? (id == %d)\n", id);
13546 #endif
13547       break;
13548   }
13549 }
13550
13551 void HandleLevelEditorKeyInput(Key key)
13552 {
13553   char letter = getCharFromKey(key);
13554   int button = MB_LEFTBUTTON;
13555
13556   if (drawing_function == GADGET_ID_TEXT &&
13557       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
13558   {
13559     if (letter)
13560       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
13561     else if (key == KSYM_Delete || key == KSYM_BackSpace)
13562       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
13563     else if (key == KSYM_Return)
13564       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
13565     else if (key == KSYM_Escape)
13566       DrawLevelText(0, 0, 0, TEXT_END);
13567   }
13568   else if (button_status == MB_RELEASED)
13569   {
13570     int id = GADGET_ID_NONE;
13571     int new_element_shift = element_shift;
13572     int step = ED_ELEMENTLIST_BUTTONS_VERT - 1;
13573     int i;
13574
13575     switch (key)
13576     {
13577       case KSYM_Left:
13578         id = GADGET_ID_SCROLL_LEFT;
13579         break;
13580       case KSYM_Right:
13581         id = GADGET_ID_SCROLL_RIGHT;
13582         break;
13583       case KSYM_Up:
13584         id = GADGET_ID_SCROLL_UP;
13585         break;
13586       case KSYM_Down:
13587         id = GADGET_ID_SCROLL_DOWN;
13588         break;
13589
13590       case KSYM_Page_Up:
13591       case KSYM_Page_Down:
13592         step *= (key == KSYM_Page_Up ? -1 : +1);
13593         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
13594
13595         if (element_shift < 0)
13596           element_shift = 0;
13597         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
13598           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
13599
13600         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
13601                      GDI_SCROLLBAR_ITEM_POSITION,
13602                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
13603
13604         ModifyEditorElementList();
13605
13606         break;
13607
13608       case KSYM_Home:
13609       case KSYM_End:
13610         element_shift = (key == KSYM_Home ? 0 :
13611                          num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
13612
13613         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
13614                      GDI_SCROLLBAR_ITEM_POSITION,
13615                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
13616
13617         ModifyEditorElementList();
13618
13619         break;
13620
13621       case KSYM_Insert:
13622       case KSYM_Delete:
13623
13624         /* this is needed to prevent interference with running "True X-Mouse" */
13625         if (GetKeyModStateFromEvents() & KMOD_Control)
13626           break;
13627
13628         /* check for last or next editor cascade block in element list */
13629         for (i = 0; i < num_editor_elements; i++)
13630         {
13631           if ((key == KSYM_Insert && i == element_shift) ||
13632               (key == KSYM_Delete && new_element_shift > element_shift))
13633             break;
13634
13635           /* jump to next cascade block (or to start of element list) */
13636           if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
13637             new_element_shift = i;
13638         }
13639
13640         if (i < num_editor_elements)
13641           element_shift = new_element_shift;
13642
13643         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
13644           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
13645
13646         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
13647                      GDI_SCROLLBAR_ITEM_POSITION,
13648                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
13649
13650         ModifyEditorElementList();
13651
13652         break;
13653
13654       case KSYM_Escape:
13655         if (edit_mode == ED_MODE_DRAWING)
13656         {
13657           RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
13658         }
13659         else if (edit_mode == ED_MODE_INFO)
13660         {
13661           HandleControlButtons(level_editor_gadget[GADGET_ID_INFO]);
13662         }
13663         else if (edit_mode == ED_MODE_PROPERTIES)
13664         {
13665           HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
13666         }
13667         else if (edit_mode == ED_MODE_PALETTE)
13668         {
13669           HandleControlButtons(level_editor_gadget[GADGET_ID_PALETTE]);
13670         }
13671         else            /* should never happen */
13672         {
13673           ChangeEditModeWindow(ED_MODE_DRAWING);
13674         }
13675
13676         break;
13677
13678       default:
13679         break;
13680     }
13681
13682     if (id != GADGET_ID_NONE)
13683       ClickOnGadget(level_editor_gadget[id], button);
13684     else if (letter == '1' || letter == '?')
13685       ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_LEFT], button);
13686     else if (letter == '2')
13687       ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_MIDDLE], button);
13688     else if (letter == '3')
13689       ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_RIGHT], button);
13690     else if (letter == '.')
13691       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
13692     else if (letter == 'U')
13693       ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
13694     else if (letter == '-' || key == KSYM_KP_Subtract)
13695       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 3);
13696     else if (letter == '0' || key == KSYM_KP_0)
13697       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 2);
13698     else if (letter == '+' || key == KSYM_KP_Add ||
13699              letter == '=')     // ("Shift-=" is "+" on US keyboards)
13700       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 1);
13701     else if (key == KSYM_Return ||
13702              key == KSYM_space ||
13703              key == setup.shortcut.toggle_pause)
13704       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
13705     else
13706       for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
13707         if (letter && letter == controlbutton_info[i].shortcut)
13708           if (!anyTextGadgetActive())
13709             ClickOnGadget(level_editor_gadget[i], button);
13710   }
13711 }
13712
13713 void HandleLevelEditorIdle()
13714 {
13715   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
13716   int x = editor.settings.element_graphic.x + element_border;
13717   int y = editor.settings.element_graphic.y + element_border;
13718   static unsigned int action_delay = 0;
13719   unsigned int action_delay_value = GameFrameDelay;
13720   int i;
13721
13722   if (edit_mode != ED_MODE_PROPERTIES)
13723     return;
13724
13725   if (!DelayReached(&action_delay, action_delay_value))
13726     return;
13727
13728   for (i = 0; i < ED_NUM_SELECTBOX; i++)
13729   {
13730     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
13731
13732     if (gi->mapped && gi->active && gi->selectbox.open)
13733       return;
13734   }
13735
13736   DrawEditorElementAnimation(SX + x, SY + y);
13737
13738   redraw_mask |= REDRAW_FIELD;
13739
13740   FrameCounter++;       /* increase animation frame counter */
13741 }
13742
13743 static void ClearEditorGadgetInfoText()
13744 {
13745   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
13746 }
13747
13748 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
13749 {
13750   char infotext[MAX_OUTPUT_LINESIZE + 1];
13751   char shortcut[MAX_OUTPUT_LINESIZE + 1];
13752   int max_infotext_len = getMaxInfoTextLength();
13753
13754   if (gi == NULL || strlen(gi->info_text) == 0)
13755     return;
13756
13757   strncpy(infotext, gi->info_text, max_infotext_len);
13758   infotext[max_infotext_len] = '\0';
13759
13760   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
13761   {
13762     int key = controlbutton_info[gi->custom_id].shortcut;
13763
13764     if (key)
13765     {
13766       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)
13767         sprintf(shortcut, " ('.' or '%c')", key);
13768       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT)
13769         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
13770       else if (gi->custom_id == GADGET_ID_TEST)
13771         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
13772       else if (gi->custom_id == GADGET_ID_UNDO)
13773         sprintf(shortcut, " ('%c/Shift-U')", key);
13774       else if (gi->custom_id == GADGET_ID_ZOOM)
13775         sprintf(shortcut, " ('%c', '0', '-')", key);
13776       else
13777         sprintf(shortcut, " ('%s%c')",
13778                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
13779
13780       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
13781         strcat(infotext, shortcut);
13782     }
13783   }
13784
13785   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, INFOTEXT_FONT);
13786 }
13787
13788 void HandleEditorGadgetInfoText(void *ptr)
13789 {
13790   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
13791
13792   if (game_status != GAME_MODE_EDITOR)
13793     return;
13794
13795   ClearEditorGadgetInfoText();
13796
13797   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
13798     return;
13799
13800   /* misuse this function to delete brush cursor, if needed */
13801   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
13802     DeleteBrushFromCursor();
13803
13804   PrintEditorGadgetInfoText(gi);
13805 }
13806
13807 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
13808 {
13809   static int start_lx, start_ly;
13810   int id = gi->custom_id;
13811   int type_id = gi->custom_type_id;
13812   int sx = gi->event.x;
13813   int sy = gi->event.y;
13814   int lx = sx + level_xpos;
13815   int ly = sy + level_ypos;
13816   int min_sx = 0, min_sy = 0;
13817   int max_sx = gi->drawing.area_xsize - 1;
13818   int max_sy = gi->drawing.area_ysize - 1;
13819   int actual_drawing_function = drawing_function;
13820   int max_infotext_len = getMaxInfoTextLength();
13821   char infotext[MAX_OUTPUT_LINESIZE + 1];
13822   char *text;
13823
13824   infotext[0] = '\0';           /* start with empty info text */
13825
13826   /* pressed Control key: simulate picking element */
13827   if (GetKeyModState() & KMOD_Control)
13828     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
13829
13830   ClearEditorGadgetInfoText();
13831
13832   if (gi->event.type == GD_EVENT_INFO_LEAVING)
13833     return;
13834
13835   /* make sure to stay inside drawing area boundaries */
13836   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
13837   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
13838
13839   if (id == GADGET_ID_DRAWING_LEVEL)
13840   {
13841     if (button_status)
13842     {
13843       int min_lx = 0, min_ly = 0;
13844       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
13845
13846       /* get positions inside level field */
13847       lx = sx + level_xpos;
13848       ly = sy + level_ypos;
13849
13850       /* make sure to stay inside level field boundaries */
13851       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
13852       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
13853
13854       /* correct drawing area positions accordingly */
13855       sx = lx - level_xpos;
13856       sy = ly - level_ypos;
13857     }
13858
13859     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
13860     {
13861       if (button_status)        /* if (gi->state == GD_BUTTON_PRESSED) */
13862       {
13863         if (gi->event.type == GD_EVENT_PRESSED)
13864         {
13865           start_lx = lx;
13866           start_ly = ly;
13867         }
13868
13869         switch (actual_drawing_function)
13870         {
13871           case GADGET_ID_SINGLE_ITEMS:
13872             text = "Drawing single items";
13873             break;
13874           case GADGET_ID_CONNECTED_ITEMS:
13875             text = "Drawing connected items";
13876             break;
13877           case GADGET_ID_LINE:
13878             text = "Drawing line";
13879             break;
13880           case GADGET_ID_ARC:
13881             text = "Drawing arc";
13882             break;
13883           case GADGET_ID_TEXT:
13884             text = "Setting text cursor";
13885             break;
13886           case GADGET_ID_RECTANGLE:
13887             text = "Drawing rectangle";
13888             break;
13889           case GADGET_ID_FILLED_BOX:
13890             text = "Drawing filled box";
13891             break;
13892           case GADGET_ID_FLOOD_FILL:
13893             text = "Flood fill";
13894             break;
13895           case GADGET_ID_GRAB_BRUSH:
13896             text = "Grabbing brush";
13897             break;
13898           case GADGET_ID_PICK_ELEMENT:
13899             text = "Picking element";
13900             break;
13901
13902           default:
13903             text = "Drawing position";
13904             break;
13905         }
13906
13907         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
13908           sprintf(infotext, "%s: %d, %d", text, lx, ly);
13909         else
13910           sprintf(infotext, "%s: %d, %d", text,
13911                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
13912       }
13913       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
13914         strncpy(infotext, getElementInfoText(Feld[lx][ly]), max_infotext_len);
13915       else
13916         sprintf(infotext, "Level position: %d, %d", lx, ly);
13917     }
13918
13919     /* misuse this function to draw brush cursor, if needed */
13920     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
13921     {
13922       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
13923         CopyBrushToCursor(sx, sy);
13924       else
13925         DeleteBrushFromCursor();
13926     }
13927   }
13928   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
13929   {
13930     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
13931     int element = drawingarea_info[type_id].value[pos];
13932
13933     strncpy(infotext, getElementInfoText(element), max_infotext_len);
13934   }
13935   else
13936   {
13937     if (id == GADGET_ID_CUSTOM_CONTENT)
13938       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
13939     else if (id == GADGET_ID_GROUP_CONTENT)
13940       sprintf(infotext, "group element position: %d", sx + 1);
13941     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
13942              id <= GADGET_ID_YAMYAM_CONTENT_7)
13943       sprintf(infotext, "content area %d position: %d, %d",
13944               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
13945     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
13946              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
13947       sprintf(infotext, "content area %d position: %d, %d",
13948               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
13949     else if (id == GADGET_ID_ANDROID_CONTENT)
13950       sprintf(infotext, "android element position: %d", sx + 1);
13951     else if (drawingarea_info[type_id].infotext != NULL)
13952       strcpy(infotext, drawingarea_info[type_id].infotext);
13953   }
13954
13955   infotext[max_infotext_len] = '\0';
13956
13957   if (strlen(infotext) > 0)
13958     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT, infotext);
13959 }
13960
13961 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
13962                             boolean quick_quit)
13963 {
13964   if (!ask_if_level_has_changed ||
13965       !LevelChanged() ||
13966       Request("Level has changed! Exit without saving?",
13967               REQ_ASK | REQ_STAY_OPEN))
13968   {
13969     struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
13970     struct RectWithBorder *vp_door_2 = &viewport.door_2[GAME_MODE_MAIN];
13971
13972     /* draw normal door */
13973     UndrawSpecialEditorDoor();
13974
13975     // use door animation if door 1 viewport is unchanged and contains toolbox
13976     if (useEditorDoorAnimation())
13977       CloseDoor(DOOR_CLOSE_1 | DOOR_FORCE_ANIM);
13978
13979     // close editor doors if viewport definition is the same as in main menu
13980     if (vp_door_1->x      == DX     &&
13981         vp_door_1->y      == DY     &&
13982         vp_door_1->width  == DXSIZE &&
13983         vp_door_1->height == DYSIZE &&
13984         vp_door_2->x      == VX     &&
13985         vp_door_2->y      == VY     &&
13986         vp_door_2->width  == VXSIZE &&
13987         vp_door_2->height == VYSIZE)
13988       CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
13989     else
13990       SetDoorState(DOOR_CLOSE_2);
13991
13992     BackToFront();
13993
13994     if (quick_quit)
13995       FadeSkipNextFadeIn();
13996
13997     SetGameStatus(GAME_MODE_MAIN);
13998
13999     DrawMainMenu();
14000   }
14001   else
14002   {
14003     if (!global.use_envelope_request)
14004     {
14005       CloseDoor(DOOR_CLOSE_1);
14006       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
14007     }
14008   }
14009 }