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_XPOS           SX
 350 #define INFOTEXT_YPOS           (SY + SYSIZE - INFOTEXT_YSIZE)
 351
 352
 353 /*
 354   -----------------------------------------------------------------------------
 355   editor gadget definitions
 356   -----------------------------------------------------------------------------
 357 */
 358
 359 /* drawing toolbox buttons */
 360 #define GADGET_ID_NONE                  -1
 361 #define GADGET_ID_TOOLBOX_FIRST         0
 362
 363 #define GADGET_ID_SINGLE_ITEMS          (GADGET_ID_TOOLBOX_FIRST + 0)
 364 #define GADGET_ID_CONNECTED_ITEMS       (GADGET_ID_TOOLBOX_FIRST + 1)
 365 #define GADGET_ID_LINE                  (GADGET_ID_TOOLBOX_FIRST + 2)
 366 #define GADGET_ID_ARC                   (GADGET_ID_TOOLBOX_FIRST + 3)
 367 #define GADGET_ID_RECTANGLE             (GADGET_ID_TOOLBOX_FIRST + 4)
 368 #define GADGET_ID_FILLED_BOX            (GADGET_ID_TOOLBOX_FIRST + 5)
 369 #define GADGET_ID_WRAP_UP               (GADGET_ID_TOOLBOX_FIRST + 6)
 370 #define GADGET_ID_TEXT                  (GADGET_ID_TOOLBOX_FIRST + 7)
 371 #define GADGET_ID_FLOOD_FILL            (GADGET_ID_TOOLBOX_FIRST + 8)
 372 #define GADGET_ID_WRAP_LEFT             (GADGET_ID_TOOLBOX_FIRST + 9)
 373 #define GADGET_ID_ZOOM                  (GADGET_ID_TOOLBOX_FIRST + 10)
 374 #define GADGET_ID_WRAP_RIGHT            (GADGET_ID_TOOLBOX_FIRST + 11)
 375 #define GADGET_ID_RANDOM_PLACEMENT      (GADGET_ID_TOOLBOX_FIRST + 12)
 376 #define GADGET_ID_GRAB_BRUSH            (GADGET_ID_TOOLBOX_FIRST + 13)
 377 #define GADGET_ID_WRAP_DOWN             (GADGET_ID_TOOLBOX_FIRST + 14)
 378 #define GADGET_ID_PICK_ELEMENT          (GADGET_ID_TOOLBOX_FIRST + 15)
 379
 380 #define GADGET_ID_UNDO                  (GADGET_ID_TOOLBOX_FIRST + 16)
 381 #define GADGET_ID_INFO                  (GADGET_ID_TOOLBOX_FIRST + 17)
 382 #define GADGET_ID_SAVE                  (GADGET_ID_TOOLBOX_FIRST + 18)
 383 #define GADGET_ID_CLEAR                 (GADGET_ID_TOOLBOX_FIRST + 19)
 384 #define GADGET_ID_TEST                  (GADGET_ID_TOOLBOX_FIRST + 20)
 385 #define GADGET_ID_EXIT                  (GADGET_ID_TOOLBOX_FIRST + 21)
 386
 387 #define GADGET_ID_CUSTOM_COPY_FROM      (GADGET_ID_TOOLBOX_FIRST + 22)
 388 #define GADGET_ID_CUSTOM_COPY_TO        (GADGET_ID_TOOLBOX_FIRST + 23)
 389 #define GADGET_ID_CUSTOM_EXCHANGE       (GADGET_ID_TOOLBOX_FIRST + 24)
 390 #define GADGET_ID_CUSTOM_COPY           (GADGET_ID_TOOLBOX_FIRST + 25)
 391 #define GADGET_ID_CUSTOM_PASTE          (GADGET_ID_TOOLBOX_FIRST + 26)
 392
 393 #define GADGET_ID_PROPERTIES            (GADGET_ID_TOOLBOX_FIRST + 27)
 394 #define GADGET_ID_ELEMENT_LEFT          (GADGET_ID_TOOLBOX_FIRST + 28)
 395 #define GADGET_ID_ELEMENT_MIDDLE        (GADGET_ID_TOOLBOX_FIRST + 29)
 396 #define GADGET_ID_ELEMENT_RIGHT         (GADGET_ID_TOOLBOX_FIRST + 30)
 397 #define GADGET_ID_PALETTE               (GADGET_ID_TOOLBOX_FIRST + 31)
 398
 399 /* counter gadget identifiers */
 400 #define GADGET_ID_COUNTER_FIRST         (GADGET_ID_TOOLBOX_FIRST + 32)
 401
 402 #define GADGET_ID_SELECT_LEVEL_DOWN     (GADGET_ID_COUNTER_FIRST + 0)
 403 #define GADGET_ID_SELECT_LEVEL_TEXT     (GADGET_ID_COUNTER_FIRST + 1)
 404 #define GADGET_ID_SELECT_LEVEL_UP       (GADGET_ID_COUNTER_FIRST + 2)
 405 #define GADGET_ID_LEVEL_XSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 3)
 406 #define GADGET_ID_LEVEL_XSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 4)
 407 #define GADGET_ID_LEVEL_XSIZE_UP        (GADGET_ID_COUNTER_FIRST + 5)
 408 #define GADGET_ID_LEVEL_YSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 6)
 409 #define GADGET_ID_LEVEL_YSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 7)
 410 #define GADGET_ID_LEVEL_YSIZE_UP        (GADGET_ID_COUNTER_FIRST + 8)
 411 #define GADGET_ID_LEVEL_RANDOM_DOWN     (GADGET_ID_COUNTER_FIRST + 9)
 412 #define GADGET_ID_LEVEL_RANDOM_TEXT     (GADGET_ID_COUNTER_FIRST + 10)
 413 #define GADGET_ID_LEVEL_RANDOM_UP       (GADGET_ID_COUNTER_FIRST + 11)
 414 #define GADGET_ID_LEVEL_GEMSLIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 12)
 415 #define GADGET_ID_LEVEL_GEMSLIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 13)
 416 #define GADGET_ID_LEVEL_GEMSLIMIT_UP    (GADGET_ID_COUNTER_FIRST + 14)
 417 #define GADGET_ID_LEVEL_TIMELIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 15)
 418 #define GADGET_ID_LEVEL_TIMELIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 16)
 419 #define GADGET_ID_LEVEL_TIMELIMIT_UP    (GADGET_ID_COUNTER_FIRST + 17)
 420 #define GADGET_ID_LEVEL_TIMESCORE_DOWN  (GADGET_ID_COUNTER_FIRST + 18)
 421 #define GADGET_ID_LEVEL_TIMESCORE_TEXT  (GADGET_ID_COUNTER_FIRST + 19)
 422 #define GADGET_ID_LEVEL_TIMESCORE_UP    (GADGET_ID_COUNTER_FIRST + 20)
 423 #define GADGET_ID_LEVEL_RANDOM_SEED_DOWN (GADGET_ID_COUNTER_FIRST + 21)
 424 #define GADGET_ID_LEVEL_RANDOM_SEED_TEXT (GADGET_ID_COUNTER_FIRST + 22)
 425 #define GADGET_ID_LEVEL_RANDOM_SEED_UP  (GADGET_ID_COUNTER_FIRST + 23)
 426 #define GADGET_ID_LEVELSET_NUM_LEVELS_DOWN (GADGET_ID_COUNTER_FIRST + 24)
 427 #define GADGET_ID_LEVELSET_NUM_LEVELS_TEXT (GADGET_ID_COUNTER_FIRST + 25)
 428 #define GADGET_ID_LEVELSET_NUM_LEVELS_UP   (GADGET_ID_COUNTER_FIRST + 26)
 429 #define GADGET_ID_ELEMENT_VALUE1_DOWN   (GADGET_ID_COUNTER_FIRST + 27)
 430 #define GADGET_ID_ELEMENT_VALUE1_TEXT   (GADGET_ID_COUNTER_FIRST + 28)
 431 #define GADGET_ID_ELEMENT_VALUE1_UP     (GADGET_ID_COUNTER_FIRST + 29)
 432 #define GADGET_ID_ELEMENT_VALUE2_DOWN   (GADGET_ID_COUNTER_FIRST + 30)
 433 #define GADGET_ID_ELEMENT_VALUE2_TEXT   (GADGET_ID_COUNTER_FIRST + 31)
 434 #define GADGET_ID_ELEMENT_VALUE2_UP     (GADGET_ID_COUNTER_FIRST + 32)
 435 #define GADGET_ID_ELEMENT_VALUE3_DOWN   (GADGET_ID_COUNTER_FIRST + 33)
 436 #define GADGET_ID_ELEMENT_VALUE3_TEXT   (GADGET_ID_COUNTER_FIRST + 34)
 437 #define GADGET_ID_ELEMENT_VALUE3_UP     (GADGET_ID_COUNTER_FIRST + 35)
 438 #define GADGET_ID_ELEMENT_VALUE4_DOWN   (GADGET_ID_COUNTER_FIRST + 36)
 439 #define GADGET_ID_ELEMENT_VALUE4_TEXT   (GADGET_ID_COUNTER_FIRST + 37)
 440 #define GADGET_ID_ELEMENT_VALUE4_UP     (GADGET_ID_COUNTER_FIRST + 38)
 441 #define GADGET_ID_YAMYAM_CONTENT_DOWN   (GADGET_ID_COUNTER_FIRST + 39)
 442 #define GADGET_ID_YAMYAM_CONTENT_TEXT   (GADGET_ID_COUNTER_FIRST + 40)
 443 #define GADGET_ID_YAMYAM_CONTENT_UP     (GADGET_ID_COUNTER_FIRST + 41)
 444 #define GADGET_ID_BALL_CONTENT_DOWN     (GADGET_ID_COUNTER_FIRST + 42)
 445 #define GADGET_ID_BALL_CONTENT_TEXT     (GADGET_ID_COUNTER_FIRST + 43)
 446 #define GADGET_ID_BALL_CONTENT_UP       (GADGET_ID_COUNTER_FIRST + 44)
 447 #define GADGET_ID_ANDROID_CONTENT_DOWN  (GADGET_ID_COUNTER_FIRST + 45)
 448 #define GADGET_ID_ANDROID_CONTENT_TEXT  (GADGET_ID_COUNTER_FIRST + 46)
 449 #define GADGET_ID_ANDROID_CONTENT_UP    (GADGET_ID_COUNTER_FIRST + 47)
 450 #define GADGET_ID_ENVELOPE_XSIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 48)
 451 #define GADGET_ID_ENVELOPE_XSIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 49)
 452 #define GADGET_ID_ENVELOPE_XSIZE_UP     (GADGET_ID_COUNTER_FIRST + 50)
 453 #define GADGET_ID_ENVELOPE_YSIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 51)
 454 #define GADGET_ID_ENVELOPE_YSIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 52)
 455 #define GADGET_ID_ENVELOPE_YSIZE_UP     (GADGET_ID_COUNTER_FIRST + 53)
 456 #define GADGET_ID_INVENTORY_SIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 54)
 457 #define GADGET_ID_INVENTORY_SIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 55)
 458 #define GADGET_ID_INVENTORY_SIZE_UP     (GADGET_ID_COUNTER_FIRST + 56)
 459 #define GADGET_ID_CUSTOM_SCORE_DOWN     (GADGET_ID_COUNTER_FIRST + 57)
 460 #define GADGET_ID_CUSTOM_SCORE_TEXT     (GADGET_ID_COUNTER_FIRST + 58)
 461 #define GADGET_ID_CUSTOM_SCORE_UP       (GADGET_ID_COUNTER_FIRST + 59)
 462 #define GADGET_ID_CUSTOM_GEMCOUNT_DOWN  (GADGET_ID_COUNTER_FIRST + 60)
 463 #define GADGET_ID_CUSTOM_GEMCOUNT_TEXT  (GADGET_ID_COUNTER_FIRST + 61)
 464 #define GADGET_ID_CUSTOM_GEMCOUNT_UP    (GADGET_ID_COUNTER_FIRST + 62)
 465 #define GADGET_ID_CUSTOM_VALUE_FIX_DOWN (GADGET_ID_COUNTER_FIRST + 63)
 466 #define GADGET_ID_CUSTOM_VALUE_FIX_TEXT (GADGET_ID_COUNTER_FIRST + 64)
 467 #define GADGET_ID_CUSTOM_VALUE_FIX_UP   (GADGET_ID_COUNTER_FIRST + 65)
 468 #define GADGET_ID_CUSTOM_VALUE_RND_DOWN (GADGET_ID_COUNTER_FIRST + 66)
 469 #define GADGET_ID_CUSTOM_VALUE_RND_TEXT (GADGET_ID_COUNTER_FIRST + 67)
 470 #define GADGET_ID_CUSTOM_VALUE_RND_UP   (GADGET_ID_COUNTER_FIRST + 68)
 471 #define GADGET_ID_PUSH_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 69)
 472 #define GADGET_ID_PUSH_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 70)
 473 #define GADGET_ID_PUSH_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 71)
 474 #define GADGET_ID_PUSH_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 72)
 475 #define GADGET_ID_PUSH_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 73)
 476 #define GADGET_ID_PUSH_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 74)
 477 #define GADGET_ID_DROP_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 75)
 478 #define GADGET_ID_DROP_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 76)
 479 #define GADGET_ID_DROP_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 77)
 480 #define GADGET_ID_DROP_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 78)
 481 #define GADGET_ID_DROP_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 79)
 482 #define GADGET_ID_DROP_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 80)
 483 #define GADGET_ID_MOVE_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 81)
 484 #define GADGET_ID_MOVE_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 82)
 485 #define GADGET_ID_MOVE_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 83)
 486 #define GADGET_ID_MOVE_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 84)
 487 #define GADGET_ID_MOVE_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 85)
 488 #define GADGET_ID_MOVE_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 86)
 489 #define GADGET_ID_EXPLOSION_DELAY_DOWN  (GADGET_ID_COUNTER_FIRST + 87)
 490 #define GADGET_ID_EXPLOSION_DELAY_TEXT  (GADGET_ID_COUNTER_FIRST + 88)
 491 #define GADGET_ID_EXPLOSION_DELAY_UP    (GADGET_ID_COUNTER_FIRST + 89)
 492 #define GADGET_ID_IGNITION_DELAY_DOWN   (GADGET_ID_COUNTER_FIRST + 90)
 493 #define GADGET_ID_IGNITION_DELAY_TEXT   (GADGET_ID_COUNTER_FIRST + 91)
 494 #define GADGET_ID_IGNITION_DELAY_UP     (GADGET_ID_COUNTER_FIRST + 92)
 495 #define GADGET_ID_CHANGE_DELAY_FIX_DOWN (GADGET_ID_COUNTER_FIRST + 93)
 496 #define GADGET_ID_CHANGE_DELAY_FIX_TEXT (GADGET_ID_COUNTER_FIRST + 94)
 497 #define GADGET_ID_CHANGE_DELAY_FIX_UP   (GADGET_ID_COUNTER_FIRST + 95)
 498 #define GADGET_ID_CHANGE_DELAY_RND_DOWN (GADGET_ID_COUNTER_FIRST + 96)
 499 #define GADGET_ID_CHANGE_DELAY_RND_TEXT (GADGET_ID_COUNTER_FIRST + 97)
 500 #define GADGET_ID_CHANGE_DELAY_RND_UP   (GADGET_ID_COUNTER_FIRST + 98)
 501 #define GADGET_ID_CHANGE_CONT_RND_DOWN  (GADGET_ID_COUNTER_FIRST + 99)
 502 #define GADGET_ID_CHANGE_CONT_RND_TEXT  (GADGET_ID_COUNTER_FIRST + 100)
 503 #define GADGET_ID_CHANGE_CONT_RND_UP    (GADGET_ID_COUNTER_FIRST + 101)
 504 #define GADGET_ID_GROUP_CONTENT_DOWN    (GADGET_ID_COUNTER_FIRST + 102)
 505 #define GADGET_ID_GROUP_CONTENT_TEXT    (GADGET_ID_COUNTER_FIRST + 103)
 506 #define GADGET_ID_GROUP_CONTENT_UP      (GADGET_ID_COUNTER_FIRST + 104)
 507
 508 /* drawing area identifiers */
 509 #define GADGET_ID_DRAWING_AREA_FIRST    (GADGET_ID_COUNTER_FIRST + 105)
 510
 511 #define GADGET_ID_DRAWING_LEVEL         (GADGET_ID_DRAWING_AREA_FIRST + 0)
 512 #define GADGET_ID_YAMYAM_CONTENT_0      (GADGET_ID_DRAWING_AREA_FIRST + 1)
 513 #define GADGET_ID_YAMYAM_CONTENT_1      (GADGET_ID_DRAWING_AREA_FIRST + 2)
 514 #define GADGET_ID_YAMYAM_CONTENT_2      (GADGET_ID_DRAWING_AREA_FIRST + 3)
 515 #define GADGET_ID_YAMYAM_CONTENT_3      (GADGET_ID_DRAWING_AREA_FIRST + 4)
 516 #define GADGET_ID_YAMYAM_CONTENT_4      (GADGET_ID_DRAWING_AREA_FIRST + 5)
 517 #define GADGET_ID_YAMYAM_CONTENT_5      (GADGET_ID_DRAWING_AREA_FIRST + 6)
 518 #define GADGET_ID_YAMYAM_CONTENT_6      (GADGET_ID_DRAWING_AREA_FIRST + 7)
 519 #define GADGET_ID_YAMYAM_CONTENT_7      (GADGET_ID_DRAWING_AREA_FIRST + 8)
 520 #define GADGET_ID_MAGIC_BALL_CONTENT_0  (GADGET_ID_DRAWING_AREA_FIRST + 9)
 521 #define GADGET_ID_MAGIC_BALL_CONTENT_1  (GADGET_ID_DRAWING_AREA_FIRST + 10)
 522 #define GADGET_ID_MAGIC_BALL_CONTENT_2  (GADGET_ID_DRAWING_AREA_FIRST + 11)
 523 #define GADGET_ID_MAGIC_BALL_CONTENT_3  (GADGET_ID_DRAWING_AREA_FIRST + 12)
 524 #define GADGET_ID_MAGIC_BALL_CONTENT_4  (GADGET_ID_DRAWING_AREA_FIRST + 13)
 525 #define GADGET_ID_MAGIC_BALL_CONTENT_5  (GADGET_ID_DRAWING_AREA_FIRST + 14)
 526 #define GADGET_ID_MAGIC_BALL_CONTENT_6  (GADGET_ID_DRAWING_AREA_FIRST + 15)
 527 #define GADGET_ID_MAGIC_BALL_CONTENT_7  (GADGET_ID_DRAWING_AREA_FIRST + 16)
 528 #define GADGET_ID_ANDROID_CONTENT       (GADGET_ID_DRAWING_AREA_FIRST + 17)
 529 #define GADGET_ID_AMOEBA_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 18)
 530 #define GADGET_ID_START_ELEMENT         (GADGET_ID_DRAWING_AREA_FIRST + 19)
 531 #define GADGET_ID_ARTWORK_ELEMENT       (GADGET_ID_DRAWING_AREA_FIRST + 20)
 532 #define GADGET_ID_EXPLOSION_ELEMENT     (GADGET_ID_DRAWING_AREA_FIRST + 21)
 533 #define GADGET_ID_INVENTORY_CONTENT     (GADGET_ID_DRAWING_AREA_FIRST + 22)
 534 #define GADGET_ID_CUSTOM_GRAPHIC        (GADGET_ID_DRAWING_AREA_FIRST + 23)
 535 #define GADGET_ID_CUSTOM_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 24)
 536 #define GADGET_ID_CUSTOM_MOVE_ENTER     (GADGET_ID_DRAWING_AREA_FIRST + 25)
 537 #define GADGET_ID_CUSTOM_MOVE_LEAVE     (GADGET_ID_DRAWING_AREA_FIRST + 26)
 538 #define GADGET_ID_CUSTOM_CHANGE_TARGET  (GADGET_ID_DRAWING_AREA_FIRST + 27)
 539 #define GADGET_ID_CUSTOM_CHANGE_CONTENT (GADGET_ID_DRAWING_AREA_FIRST + 28)
 540 #define GADGET_ID_CUSTOM_CHANGE_TRIGGER (GADGET_ID_DRAWING_AREA_FIRST + 29)
 541 #define GADGET_ID_CUSTOM_CHANGE_ACTION  (GADGET_ID_DRAWING_AREA_FIRST + 30)
 542 #define GADGET_ID_GROUP_CONTENT         (GADGET_ID_DRAWING_AREA_FIRST + 31)
 543 #define GADGET_ID_RANDOM_BACKGROUND     (GADGET_ID_DRAWING_AREA_FIRST + 32)
 544
 545 /* text input identifiers */
 546 #define GADGET_ID_TEXT_INPUT_FIRST      (GADGET_ID_DRAWING_AREA_FIRST + 33)
 547
 548 #define GADGET_ID_LEVEL_NAME            (GADGET_ID_TEXT_INPUT_FIRST + 0)
 549 #define GADGET_ID_LEVEL_AUTHOR          (GADGET_ID_TEXT_INPUT_FIRST + 1)
 550 #define GADGET_ID_LEVELSET_NAME         (GADGET_ID_TEXT_INPUT_FIRST + 2)
 551 #define GADGET_ID_LEVELSET_AUTHOR       (GADGET_ID_TEXT_INPUT_FIRST + 3)
 552 #define GADGET_ID_ELEMENT_NAME          (GADGET_ID_TEXT_INPUT_FIRST + 4)
 553
 554 /* text area identifiers */
 555 #define GADGET_ID_TEXT_AREA_FIRST       (GADGET_ID_TEXT_INPUT_FIRST + 5)
 556
 557 #define GADGET_ID_ENVELOPE_INFO         (GADGET_ID_TEXT_AREA_FIRST + 0)
 558
 559 /* selectbox identifiers */
 560 #define GADGET_ID_SELECTBOX_FIRST       (GADGET_ID_TEXT_AREA_FIRST + 1)
 561
 562 #define GADGET_ID_TIME_OR_STEPS         (GADGET_ID_SELECTBOX_FIRST + 0)
 563 #define GADGET_ID_GAME_ENGINE_TYPE      (GADGET_ID_SELECTBOX_FIRST + 1)
 564 #define GADGET_ID_LEVELSET_SAVE_MODE    (GADGET_ID_SELECTBOX_FIRST + 2)
 565 #define GADGET_ID_WIND_DIRECTION        (GADGET_ID_SELECTBOX_FIRST + 3)
 566 #define GADGET_ID_PLAYER_SPEED          (GADGET_ID_SELECTBOX_FIRST + 4)
 567 #define GADGET_ID_CUSTOM_WALK_TO_ACTION (GADGET_ID_SELECTBOX_FIRST + 5)
 568 #define GADGET_ID_CUSTOM_EXPLOSION_TYPE (GADGET_ID_SELECTBOX_FIRST + 6)
 569 #define GADGET_ID_CUSTOM_DEADLINESS     (GADGET_ID_SELECTBOX_FIRST + 7)
 570 #define GADGET_ID_CUSTOM_MOVE_PATTERN   (GADGET_ID_SELECTBOX_FIRST + 8)
 571 #define GADGET_ID_CUSTOM_MOVE_DIRECTION (GADGET_ID_SELECTBOX_FIRST + 9)
 572 #define GADGET_ID_CUSTOM_MOVE_STEPSIZE  (GADGET_ID_SELECTBOX_FIRST + 10)
 573 #define GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE (GADGET_ID_SELECTBOX_FIRST + 11)
 574 #define GADGET_ID_CUSTOM_SMASH_TARGETS  (GADGET_ID_SELECTBOX_FIRST + 12)
 575 #define GADGET_ID_CUSTOM_SLIPPERY_TYPE  (GADGET_ID_SELECTBOX_FIRST + 13)
 576 #define GADGET_ID_CUSTOM_ACCESS_TYPE    (GADGET_ID_SELECTBOX_FIRST + 14)
 577 #define GADGET_ID_CUSTOM_ACCESS_LAYER   (GADGET_ID_SELECTBOX_FIRST + 15)
 578 #define GADGET_ID_CUSTOM_ACCESS_PROTECTED (GADGET_ID_SELECTBOX_FIRST + 16)
 579 #define GADGET_ID_CUSTOM_ACCESS_DIRECTION (GADGET_ID_SELECTBOX_FIRST + 17)
 580 #define GADGET_ID_CHANGE_TIME_UNITS     (GADGET_ID_SELECTBOX_FIRST + 18)
 581 #define GADGET_ID_CHANGE_DIRECT_ACTION  (GADGET_ID_SELECTBOX_FIRST + 19)
 582 #define GADGET_ID_CHANGE_OTHER_ACTION   (GADGET_ID_SELECTBOX_FIRST + 20)
 583 #define GADGET_ID_CHANGE_SIDE           (GADGET_ID_SELECTBOX_FIRST + 21)
 584 #define GADGET_ID_CHANGE_PLAYER         (GADGET_ID_SELECTBOX_FIRST + 22)
 585 #define GADGET_ID_CHANGE_PAGE           (GADGET_ID_SELECTBOX_FIRST + 23)
 586 #define GADGET_ID_CHANGE_REPLACE_WHEN   (GADGET_ID_SELECTBOX_FIRST + 24)
 587 #define GADGET_ID_ACTION_TYPE           (GADGET_ID_SELECTBOX_FIRST + 25)
 588 #define GADGET_ID_ACTION_MODE           (GADGET_ID_SELECTBOX_FIRST + 26)
 589 #define GADGET_ID_ACTION_ARG            (GADGET_ID_SELECTBOX_FIRST + 27)
 590 #define GADGET_ID_SELECT_CHANGE_PAGE    (GADGET_ID_SELECTBOX_FIRST + 28)
 591 #define GADGET_ID_GROUP_CHOICE_MODE     (GADGET_ID_SELECTBOX_FIRST + 29)
 592
 593 /* textbutton identifiers */
 594 #define GADGET_ID_TEXTBUTTON_FIRST      (GADGET_ID_SELECTBOX_FIRST + 30)
 595
 596 #define GADGET_ID_LEVELINFO_LEVEL       (GADGET_ID_TEXTBUTTON_FIRST + 0)
 597 #define GADGET_ID_LEVELINFO_LEVELSET    (GADGET_ID_TEXTBUTTON_FIRST + 1)
 598 #define GADGET_ID_LEVELINFO_EDITOR      (GADGET_ID_TEXTBUTTON_FIRST + 2)
 599 #define GADGET_ID_PROPERTIES_INFO       (GADGET_ID_TEXTBUTTON_FIRST + 3)
 600 #define GADGET_ID_PROPERTIES_CONFIG     (GADGET_ID_TEXTBUTTON_FIRST + 4)
 601 #define GADGET_ID_PROPERTIES_CONFIG_1   (GADGET_ID_TEXTBUTTON_FIRST + 5)
 602 #define GADGET_ID_PROPERTIES_CONFIG_2   (GADGET_ID_TEXTBUTTON_FIRST + 6)
 603 #define GADGET_ID_PROPERTIES_CHANGE     (GADGET_ID_TEXTBUTTON_FIRST + 7)
 604 #define GADGET_ID_SAVE_AS_TEMPLATE_1    (GADGET_ID_TEXTBUTTON_FIRST + 8)
 605 #define GADGET_ID_SAVE_AS_TEMPLATE_2    (GADGET_ID_TEXTBUTTON_FIRST + 9)
 606 #define GADGET_ID_SAVE_LEVELSET         (GADGET_ID_TEXTBUTTON_FIRST + 10)
 607 #define GADGET_ID_ADD_CHANGE_PAGE       (GADGET_ID_TEXTBUTTON_FIRST + 11)
 608 #define GADGET_ID_DEL_CHANGE_PAGE       (GADGET_ID_TEXTBUTTON_FIRST + 12)
 609
 610 /* graphicbutton identifiers */
 611 #define GADGET_ID_GRAPHICBUTTON_FIRST   (GADGET_ID_TEXTBUTTON_FIRST + 13)
 612
 613 #define GADGET_ID_PREV_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 0)
 614 #define GADGET_ID_NEXT_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 1)
 615 #define GADGET_ID_COPY_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 2)
 616 #define GADGET_ID_PASTE_CHANGE_PAGE     (GADGET_ID_GRAPHICBUTTON_FIRST + 3)
 617
 618 /* gadgets for scrolling of drawing area */
 619 #define GADGET_ID_SCROLLING_FIRST       (GADGET_ID_GRAPHICBUTTON_FIRST + 4)
 620
 621 #define GADGET_ID_SCROLL_UP             (GADGET_ID_SCROLLING_FIRST + 0)
 622 #define GADGET_ID_SCROLL_DOWN           (GADGET_ID_SCROLLING_FIRST + 1)
 623 #define GADGET_ID_SCROLL_LEFT           (GADGET_ID_SCROLLING_FIRST + 2)
 624 #define GADGET_ID_SCROLL_RIGHT          (GADGET_ID_SCROLLING_FIRST + 3)
 625 #define GADGET_ID_SCROLL_HORIZONTAL     (GADGET_ID_SCROLLING_FIRST + 4)
 626 #define GADGET_ID_SCROLL_VERTICAL       (GADGET_ID_SCROLLING_FIRST + 5)
 627
 628 /* gadgets for scrolling element list */
 629 #define GADGET_ID_SCROLLING_LIST_FIRST  (GADGET_ID_SCROLLING_FIRST + 6)
 630
 631 #define GADGET_ID_SCROLL_LIST_UP        (GADGET_ID_SCROLLING_LIST_FIRST + 0)
 632 #define GADGET_ID_SCROLL_LIST_DOWN      (GADGET_ID_SCROLLING_LIST_FIRST + 1)
 633 #define GADGET_ID_SCROLL_LIST_VERTICAL  (GADGET_ID_SCROLLING_LIST_FIRST + 2)
 634
 635 /* checkbuttons/radiobuttons for level/element properties */
 636 #define GADGET_ID_CHECKBUTTON_FIRST     (GADGET_ID_SCROLLING_LIST_FIRST + 3)
 637
 638 #define GADGET_ID_AUTO_COUNT_GEMS       (GADGET_ID_CHECKBUTTON_FIRST + 0)
 639 #define GADGET_ID_RANDOM_PERCENTAGE     (GADGET_ID_CHECKBUTTON_FIRST + 1)
 640 #define GADGET_ID_RANDOM_QUANTITY       (GADGET_ID_CHECKBUTTON_FIRST + 2)
 641 #define GADGET_ID_RANDOM_RESTRICTED     (GADGET_ID_CHECKBUTTON_FIRST + 3)
 642 #define GADGET_ID_STICK_ELEMENT         (GADGET_ID_CHECKBUTTON_FIRST + 4)
 643 #define GADGET_ID_EM_SLIPPERY_GEMS      (GADGET_ID_CHECKBUTTON_FIRST + 5)
 644 #define GADGET_ID_EM_EXPLODES_BY_FIRE   (GADGET_ID_CHECKBUTTON_FIRST + 6)
 645 #define GADGET_ID_USE_SPRING_BUG        (GADGET_ID_CHECKBUTTON_FIRST + 7)
 646 #define GADGET_ID_USE_TIME_ORB_BUG      (GADGET_ID_CHECKBUTTON_FIRST + 8)
 647 #define GADGET_ID_RANDOM_BALL_CONTENT   (GADGET_ID_CHECKBUTTON_FIRST + 9)
 648 #define GADGET_ID_INITIAL_BALL_STATE    (GADGET_ID_CHECKBUTTON_FIRST + 10)
 649 #define GADGET_ID_GROW_INTO_DIGGABLE    (GADGET_ID_CHECKBUTTON_FIRST + 11)
 650 #define GADGET_ID_AUTO_EXIT_SOKOBAN     (GADGET_ID_CHECKBUTTON_FIRST + 12)
 651 #define GADGET_ID_CONTINUOUS_SNAPPING   (GADGET_ID_CHECKBUTTON_FIRST + 13)
 652 #define GADGET_ID_BLOCK_SNAP_FIELD      (GADGET_ID_CHECKBUTTON_FIRST + 14)
 653 #define GADGET_ID_BLOCK_LAST_FIELD      (GADGET_ID_CHECKBUTTON_FIRST + 15)
 654 #define GADGET_ID_SP_BLOCK_LAST_FIELD   (GADGET_ID_CHECKBUTTON_FIRST + 16)
 655 #define GADGET_ID_INSTANT_RELOCATION    (GADGET_ID_CHECKBUTTON_FIRST + 17)
 656 #define GADGET_ID_SHIFTED_RELOCATION    (GADGET_ID_CHECKBUTTON_FIRST + 18)
 657 #define GADGET_ID_LAZY_RELOCATION       (GADGET_ID_CHECKBUTTON_FIRST + 19)
 658 #define GADGET_ID_USE_START_ELEMENT     (GADGET_ID_CHECKBUTTON_FIRST + 20)
 659 #define GADGET_ID_USE_ARTWORK_ELEMENT   (GADGET_ID_CHECKBUTTON_FIRST + 21)
 660 #define GADGET_ID_USE_EXPLOSION_ELEMENT (GADGET_ID_CHECKBUTTON_FIRST + 22)
 661 #define GADGET_ID_INITIAL_GRAVITY       (GADGET_ID_CHECKBUTTON_FIRST + 23)
 662 #define GADGET_ID_USE_INITIAL_INVENTORY (GADGET_ID_CHECKBUTTON_FIRST + 24)
 663 #define GADGET_ID_CAN_PASS_TO_WALKABLE  (GADGET_ID_CHECKBUTTON_FIRST + 25)
 664 #define GADGET_ID_CAN_FALL_INTO_ACID    (GADGET_ID_CHECKBUTTON_FIRST + 26)
 665 #define GADGET_ID_CAN_MOVE_INTO_ACID    (GADGET_ID_CHECKBUTTON_FIRST + 27)
 666 #define GADGET_ID_DONT_COLLIDE_WITH     (GADGET_ID_CHECKBUTTON_FIRST + 28)
 667 #define GADGET_ID_ENVELOPE_AUTOWRAP     (GADGET_ID_CHECKBUTTON_FIRST + 29)
 668 #define GADGET_ID_ENVELOPE_CENTERED     (GADGET_ID_CHECKBUTTON_FIRST + 30)
 669 #define GADGET_ID_MM_LASER_RED          (GADGET_ID_CHECKBUTTON_FIRST + 31)
 670 #define GADGET_ID_MM_LASER_GREEN        (GADGET_ID_CHECKBUTTON_FIRST + 32)
 671 #define GADGET_ID_MM_LASER_BLUE         (GADGET_ID_CHECKBUTTON_FIRST + 33)
 672 #define GADGET_ID_DF_LASER_RED          (GADGET_ID_CHECKBUTTON_FIRST + 34)
 673 #define GADGET_ID_DF_LASER_GREEN        (GADGET_ID_CHECKBUTTON_FIRST + 35)
 674 #define GADGET_ID_DF_LASER_BLUE         (GADGET_ID_CHECKBUTTON_FIRST + 36)
 675 #define GADGET_ID_CUSTOM_INDESTRUCTIBLE (GADGET_ID_CHECKBUTTON_FIRST + 37)
 676 #define GADGET_ID_CUSTOM_CAN_EXPLODE    (GADGET_ID_CHECKBUTTON_FIRST + 38)
 677 #define GADGET_ID_CUSTOM_EXPLODE_FIRE   (GADGET_ID_CHECKBUTTON_FIRST + 39)
 678 #define GADGET_ID_CUSTOM_EXPLODE_SMASH  (GADGET_ID_CHECKBUTTON_FIRST + 40)
 679 #define GADGET_ID_CUSTOM_EXPLODE_IMPACT (GADGET_ID_CHECKBUTTON_FIRST + 41)
 680 #define GADGET_ID_CUSTOM_WALK_TO_OBJECT (GADGET_ID_CHECKBUTTON_FIRST + 42)
 681 #define GADGET_ID_CUSTOM_DEADLY         (GADGET_ID_CHECKBUTTON_FIRST + 43)
 682 #define GADGET_ID_CUSTOM_CAN_MOVE       (GADGET_ID_CHECKBUTTON_FIRST + 44)
 683 #define GADGET_ID_CUSTOM_CAN_FALL       (GADGET_ID_CHECKBUTTON_FIRST + 45)
 684 #define GADGET_ID_CUSTOM_CAN_SMASH      (GADGET_ID_CHECKBUTTON_FIRST + 46)
 685 #define GADGET_ID_CUSTOM_SLIPPERY       (GADGET_ID_CHECKBUTTON_FIRST + 47)
 686 #define GADGET_ID_CUSTOM_ACCESSIBLE     (GADGET_ID_CHECKBUTTON_FIRST + 48)
 687 #define GADGET_ID_CUSTOM_GRAV_REACHABLE (GADGET_ID_CHECKBUTTON_FIRST + 49)
 688 #define GADGET_ID_CUSTOM_USE_LAST_VALUE (GADGET_ID_CHECKBUTTON_FIRST + 50)
 689 #define GADGET_ID_CUSTOM_USE_GRAPHIC    (GADGET_ID_CHECKBUTTON_FIRST + 51)
 690 #define GADGET_ID_CUSTOM_USE_TEMPLATE_1 (GADGET_ID_CHECKBUTTON_FIRST + 52)
 691 #define GADGET_ID_CUSTOM_USE_TEMPLATE_2 (GADGET_ID_CHECKBUTTON_FIRST + 53)
 692 #define GADGET_ID_CUSTOM_USE_TEMPLATE_3 (GADGET_ID_CHECKBUTTON_FIRST + 54)
 693 #define GADGET_ID_CUSTOM_CAN_CHANGE     (GADGET_ID_CHECKBUTTON_FIRST + 55)
 694 #define GADGET_ID_CHANGE_USE_CONTENT    (GADGET_ID_CHECKBUTTON_FIRST + 56)
 695 #define GADGET_ID_CHANGE_USE_EXPLOSION  (GADGET_ID_CHECKBUTTON_FIRST + 57)
 696 #define GADGET_ID_CHANGE_ONLY_COMPLETE  (GADGET_ID_CHECKBUTTON_FIRST + 58)
 697 #define GADGET_ID_CHANGE_USE_RANDOM     (GADGET_ID_CHECKBUTTON_FIRST + 59)
 698 #define GADGET_ID_CHANGE_HAS_ACTION     (GADGET_ID_CHECKBUTTON_FIRST + 60)
 699 #define GADGET_ID_CHANGE_DELAY          (GADGET_ID_CHECKBUTTON_FIRST + 61)
 700 #define GADGET_ID_CHANGE_BY_DIRECT_ACT  (GADGET_ID_CHECKBUTTON_FIRST + 62)
 701 #define GADGET_ID_CHANGE_BY_OTHER_ACT   (GADGET_ID_CHECKBUTTON_FIRST + 63)
 702
 703 /* gadgets for buttons in element list */
 704 #define GADGET_ID_ELEMENTLIST_FIRST     (GADGET_ID_CHECKBUTTON_FIRST + 64)
 705 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 706                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 707
 708 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 709
 710 /* radio button numbers */
 711 #define RADIO_NR_NONE                   0
 712 #define RADIO_NR_DRAWING_TOOLBOX        1
 713 #define RADIO_NR_RANDOM_ELEMENTS        2
 714
 715 /* values for counter gadgets */
 716 #define ED_COUNTER_ID_SELECT_LEVEL      0
 717 #define ED_COUNTER_ID_LEVEL_XSIZE       1
 718 #define ED_COUNTER_ID_LEVEL_YSIZE       2
 719 #define ED_COUNTER_ID_LEVEL_GEMSLIMIT   3
 720 #define ED_COUNTER_ID_LEVEL_TIMELIMIT   4
 721 #define ED_COUNTER_ID_LEVEL_TIMESCORE   5
 722 #define ED_COUNTER_ID_LEVEL_RANDOM_SEED 6
 723 #define ED_COUNTER_ID_LEVELSET_NUM_LEVELS 7
 724 #define ED_COUNTER_ID_LEVEL_RANDOM      8
 725 #define ED_COUNTER_ID_ELEMENT_VALUE1    9
 726 #define ED_COUNTER_ID_ELEMENT_VALUE2    10
 727 #define ED_COUNTER_ID_ELEMENT_VALUE3    11
 728 #define ED_COUNTER_ID_ELEMENT_VALUE4    12
 729 #define ED_COUNTER_ID_YAMYAM_CONTENT    13
 730 #define ED_COUNTER_ID_BALL_CONTENT      14
 731 #define ED_COUNTER_ID_ANDROID_CONTENT   15
 732 #define ED_COUNTER_ID_ENVELOPE_XSIZE    16
 733 #define ED_COUNTER_ID_ENVELOPE_YSIZE    17
 734 #define ED_COUNTER_ID_INVENTORY_SIZE    18
 735 #define ED_COUNTER_ID_CUSTOM_SCORE      19
 736 #define ED_COUNTER_ID_CUSTOM_GEMCOUNT   20
 737 #define ED_COUNTER_ID_CUSTOM_VALUE_FIX  21
 738 #define ED_COUNTER_ID_CUSTOM_VALUE_RND  22
 739 #define ED_COUNTER_ID_PUSH_DELAY_FIX    23
 740 #define ED_COUNTER_ID_PUSH_DELAY_RND    24
 741 #define ED_COUNTER_ID_DROP_DELAY_FIX    25
 742 #define ED_COUNTER_ID_DROP_DELAY_RND    26
 743 #define ED_COUNTER_ID_MOVE_DELAY_FIX    27
 744 #define ED_COUNTER_ID_MOVE_DELAY_RND    28
 745 #define ED_COUNTER_ID_EXPLOSION_DELAY   29
 746 #define ED_COUNTER_ID_IGNITION_DELAY    30
 747 #define ED_COUNTER_ID_GROUP_CONTENT     31
 748 #define ED_COUNTER_ID_CHANGE_DELAY_FIX  32
 749 #define ED_COUNTER_ID_CHANGE_DELAY_RND  33
 750 #define ED_COUNTER_ID_CHANGE_CONT_RND   34
 751
 752 #define ED_NUM_COUNTERBUTTONS           35
 753
 754 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 755 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM_SEED
 756 #define ED_COUNTER_ID_LEVELSET_FIRST    ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 757 #define ED_COUNTER_ID_LEVELSET_LAST     ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 758 #define ED_COUNTER_ID_EDITOR_FIRST      ED_COUNTER_ID_LEVEL_RANDOM
 759 #define ED_COUNTER_ID_EDITOR_LAST       ED_COUNTER_ID_LEVEL_RANDOM
 760
 761 #define ED_COUNTER_ID_CUSTOM1_FIRST     ED_COUNTER_ID_CUSTOM_SCORE
 762 #define ED_COUNTER_ID_CUSTOM1_LAST      ED_COUNTER_ID_DROP_DELAY_RND
 763 #define ED_COUNTER_ID_CUSTOM2_FIRST     ED_COUNTER_ID_MOVE_DELAY_FIX
 764 #define ED_COUNTER_ID_CUSTOM2_LAST      ED_COUNTER_ID_IGNITION_DELAY
 765 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM1_FIRST
 766 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_CUSTOM2_LAST
 767
 768 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 769 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 770
 771 /* values for scrollbutton gadgets */
 772 #define ED_SCROLLBUTTON_ID_AREA_UP      0
 773 #define ED_SCROLLBUTTON_ID_AREA_DOWN    1
 774 #define ED_SCROLLBUTTON_ID_AREA_LEFT    2
 775 #define ED_SCROLLBUTTON_ID_AREA_RIGHT   3
 776 #define ED_SCROLLBUTTON_ID_LIST_UP      4
 777 #define ED_SCROLLBUTTON_ID_LIST_DOWN    5
 778
 779 #define ED_NUM_SCROLLBUTTONS            6
 780
 781 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 782 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 783
 784 /* values for scrollbar gadgets */
 785 #define ED_SCROLLBAR_ID_AREA_HORIZONTAL 0
 786 #define ED_SCROLLBAR_ID_AREA_VERTICAL   1
 787 #define ED_SCROLLBAR_ID_LIST_VERTICAL   2
 788
 789 #define ED_NUM_SCROLLBARS               3
 790
 791 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 792 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 793
 794 /* values for text input gadgets */
 795 #define ED_TEXTINPUT_ID_LEVEL_NAME      0
 796 #define ED_TEXTINPUT_ID_LEVEL_AUTHOR    1
 797 #define ED_TEXTINPUT_ID_LEVELSET_NAME   2
 798 #define ED_TEXTINPUT_ID_LEVELSET_AUTHOR 3
 799 #define ED_TEXTINPUT_ID_ELEMENT_NAME    4
 800
 801 #define ED_NUM_TEXTINPUT                5
 802
 803 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 804 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 805
 806 #define ED_TEXTINPUT_ID_LEVELSET_FIRST  ED_TEXTINPUT_ID_LEVELSET_NAME
 807 #define ED_TEXTINPUT_ID_LEVELSET_LAST   ED_TEXTINPUT_ID_LEVELSET_AUTHOR
 808
 809 /* values for text area gadgets */
 810 #define ED_TEXTAREA_ID_ENVELOPE_INFO    0
 811
 812 #define ED_NUM_TEXTAREAS                        1
 813
 814 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
 815 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
 816
 817 /* values for selectbox gadgets */
 818 #define ED_SELECTBOX_ID_TIME_OR_STEPS           0
 819 #define ED_SELECTBOX_ID_GAME_ENGINE_TYPE        1
 820 #define ED_SELECTBOX_ID_LEVELSET_SAVE_MODE      2
 821 #define ED_SELECTBOX_ID_WIND_DIRECTION          3
 822 #define ED_SELECTBOX_ID_PLAYER_SPEED            4
 823 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE      5
 824 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER     6
 825 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED 7
 826 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION 8
 827 #define ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION   9
 828 #define ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN     10
 829 #define ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION   11
 830 #define ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE    12
 831 #define ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE  13
 832 #define ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS    14
 833 #define ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE    15
 834 #define ED_SELECTBOX_ID_CUSTOM_DEADLINESS       16
 835 #define ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE   17
 836 #define ED_SELECTBOX_ID_CHANGE_TIME_UNITS       18
 837 #define ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION    19
 838 #define ED_SELECTBOX_ID_CHANGE_OTHER_ACTION     20
 839 #define ED_SELECTBOX_ID_CHANGE_SIDE             21
 840 #define ED_SELECTBOX_ID_CHANGE_PLAYER           22
 841 #define ED_SELECTBOX_ID_CHANGE_PAGE             23
 842 #define ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN     24
 843 #define ED_SELECTBOX_ID_ACTION_TYPE             25
 844 #define ED_SELECTBOX_ID_ACTION_MODE             26
 845 #define ED_SELECTBOX_ID_ACTION_ARG              27
 846 #define ED_SELECTBOX_ID_SELECT_CHANGE_PAGE      28
 847 #define ED_SELECTBOX_ID_GROUP_CHOICE_MODE       29
 848
 849 #define ED_NUM_SELECTBOX                        30
 850
 851 #define ED_SELECTBOX_ID_LEVEL_FIRST     ED_SELECTBOX_ID_TIME_OR_STEPS
 852 #define ED_SELECTBOX_ID_LEVEL_LAST      ED_SELECTBOX_ID_GAME_ENGINE_TYPE
 853
 854 #define ED_SELECTBOX_ID_LEVELSET_FIRST  ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 855 #define ED_SELECTBOX_ID_LEVELSET_LAST   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 856
 857 #define ED_SELECTBOX_ID_CUSTOM1_FIRST   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
 858 #define ED_SELECTBOX_ID_CUSTOM1_LAST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
 859 #define ED_SELECTBOX_ID_CUSTOM2_FIRST   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN
 860 #define ED_SELECTBOX_ID_CUSTOM2_LAST    ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE
 861 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM1_FIRST
 862 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM2_LAST
 863
 864 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 865 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
 866
 867 /* values for textbutton gadgets */
 868 #define ED_TEXTBUTTON_ID_LEVELINFO_LEVEL        0
 869 #define ED_TEXTBUTTON_ID_LEVELINFO_LEVELSET     1
 870 #define ED_TEXTBUTTON_ID_LEVELINFO_EDITOR       2
 871 #define ED_TEXTBUTTON_ID_PROPERTIES_INFO        3
 872 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG      4
 873 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1    5
 874 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2    6
 875 #define ED_TEXTBUTTON_ID_PROPERTIES_CHANGE      7
 876 #define ED_TEXTBUTTON_ID_SAVE_LEVELSET          8
 877 #define ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2     9
 878 #define ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1     10
 879 #define ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE        11
 880 #define ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE        12
 881
 882 #define ED_NUM_TEXTBUTTONS                      13
 883
 884 #define ED_TAB_BUTTON_ID_LEVELINFO_FIRST ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
 885 #define ED_TAB_BUTTON_ID_LEVELINFO_LAST  ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
 886
 887 #define ED_TAB_BUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
 888 #define ED_TAB_BUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
 889
 890 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE
 891 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
 892
 893 /* values for graphicbutton gadgets */
 894 #define ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE    0
 895 #define ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE    1
 896 #define ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE    2
 897 #define ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE   3
 898
 899 #define ED_NUM_GRAPHICBUTTONS                   4
 900
 901 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST  ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
 902 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE
 903
 904 /* values for checkbutton gadgets */
 905 #define ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS       0
 906 #define ED_CHECKBUTTON_ID_RANDOM_RESTRICTED     1
 907 #define ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3 2
 908 #define ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2 3
 909 #define ED_CHECKBUTTON_ID_STICK_ELEMENT         4
 910 #define ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS      5
 911 #define ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE   6
 912 #define ED_CHECKBUTTON_ID_USE_SPRING_BUG        7
 913 #define ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG      8
 914 #define ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT   9
 915 #define ED_CHECKBUTTON_ID_INITIAL_BALL_STATE    10
 916 #define ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE    11
 917 #define ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN     12
 918 #define ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING   13
 919 #define ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD      14
 920 #define ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD      15
 921 #define ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD   16
 922 #define ED_CHECKBUTTON_ID_INSTANT_RELOCATION    17
 923 #define ED_CHECKBUTTON_ID_SHIFTED_RELOCATION    18
 924 #define ED_CHECKBUTTON_ID_LAZY_RELOCATION       19
 925 #define ED_CHECKBUTTON_ID_USE_START_ELEMENT     20
 926 #define ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT   21
 927 #define ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT 22
 928 #define ED_CHECKBUTTON_ID_INITIAL_GRAVITY       23
 929 #define ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY 24
 930 #define ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE  25
 931 #define ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID    26
 932 #define ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID    27
 933 #define ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH     28
 934 #define ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP     29
 935 #define ED_CHECKBUTTON_ID_ENVELOPE_CENTERED     30
 936 #define ED_CHECKBUTTON_ID_MM_LASER_RED          31
 937 #define ED_CHECKBUTTON_ID_MM_LASER_GREEN        32
 938 #define ED_CHECKBUTTON_ID_MM_LASER_BLUE         33
 939 #define ED_CHECKBUTTON_ID_DF_LASER_RED          34
 940 #define ED_CHECKBUTTON_ID_DF_LASER_GREEN        35
 941 #define ED_CHECKBUTTON_ID_DF_LASER_BLUE         36
 942 #define ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC    37
 943 #define ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1 38
 944 #define ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE     39
 945 #define ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE 40
 946 #define ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE 41
 947 #define ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT 42
 948 #define ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE 43
 949 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE       44
 950 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL       45
 951 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH      46
 952 #define ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY       47
 953 #define ED_CHECKBUTTON_ID_CUSTOM_DEADLY         48
 954 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE    49
 955 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE   50
 956 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH  51
 957 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT 52
 958 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE     53
 959 #define ED_CHECKBUTTON_ID_CHANGE_DELAY          54
 960 #define ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT  55
 961 #define ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT   56
 962 #define ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION  57
 963 #define ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT    58
 964 #define ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE  59
 965 #define ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM     60
 966 #define ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION     61
 967
 968 #define ED_NUM_CHECKBUTTONS                     62
 969
 970 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS
 971 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS
 972
 973 #define ED_CHECKBUTTON_ID_EDITOR_FIRST  ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
 974 #define ED_CHECKBUTTON_ID_EDITOR_LAST   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2
 975
 976 #define ED_CHECKBUTTON_ID_CUSTOM1_FIRST ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
 977 #define ED_CHECKBUTTON_ID_CUSTOM1_LAST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
 978 #define ED_CHECKBUTTON_ID_CUSTOM2_FIRST ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE
 979 #define ED_CHECKBUTTON_ID_CUSTOM2_LAST  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
 980 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM1_FIRST
 981 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM2_LAST
 982
 983 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE
 984 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION
 985
 986 /* values for radiobutton gadgets */
 987 #define ED_RADIOBUTTON_ID_PERCENTAGE    0
 988 #define ED_RADIOBUTTON_ID_QUANTITY      1
 989
 990 #define ED_NUM_RADIOBUTTONS             2
 991
 992 #define ED_RADIOBUTTON_ID_EDITOR_FIRST  ED_RADIOBUTTON_ID_PERCENTAGE
 993 #define ED_RADIOBUTTON_ID_EDITOR_LAST   ED_RADIOBUTTON_ID_QUANTITY
 994
 995 /* values for drawing area gadgets */
 996 #define ED_DRAWING_ID_DRAWING_LEVEL             0
 997 #define ED_DRAWING_ID_YAMYAM_CONTENT_0          1
 998 #define ED_DRAWING_ID_YAMYAM_CONTENT_1          2
 999 #define ED_DRAWING_ID_YAMYAM_CONTENT_2          3
1000 #define ED_DRAWING_ID_YAMYAM_CONTENT_3          4
1001 #define ED_DRAWING_ID_YAMYAM_CONTENT_4          5
1002 #define ED_DRAWING_ID_YAMYAM_CONTENT_5          6
1003 #define ED_DRAWING_ID_YAMYAM_CONTENT_6          7
1004 #define ED_DRAWING_ID_YAMYAM_CONTENT_7          8
1005 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_0      9
1006 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_1      10
1007 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_2      11
1008 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_3      12
1009 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_4      13
1010 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_5      14
1011 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_6      15
1012 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_7      16
1013 #define ED_DRAWING_ID_ANDROID_CONTENT           17
1014 #define ED_DRAWING_ID_AMOEBA_CONTENT            18
1015 #define ED_DRAWING_ID_START_ELEMENT             19
1016 #define ED_DRAWING_ID_ARTWORK_ELEMENT           20
1017 #define ED_DRAWING_ID_EXPLOSION_ELEMENT         21
1018 #define ED_DRAWING_ID_INVENTORY_CONTENT         22
1019 #define ED_DRAWING_ID_CUSTOM_GRAPHIC            23
1020 #define ED_DRAWING_ID_CUSTOM_CONTENT            24
1021 #define ED_DRAWING_ID_CUSTOM_MOVE_ENTER         25
1022 #define ED_DRAWING_ID_CUSTOM_MOVE_LEAVE         26
1023 #define ED_DRAWING_ID_CUSTOM_CHANGE_TARGET      27
1024 #define ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT     28
1025 #define ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER     29
1026 #define ED_DRAWING_ID_CUSTOM_CHANGE_ACTION      30
1027 #define ED_DRAWING_ID_GROUP_CONTENT             31
1028 #define ED_DRAWING_ID_RANDOM_BACKGROUND         32
1029
1030 #define ED_NUM_DRAWING_AREAS                    33
1031
1032 #define ED_DRAWING_ID_EDITOR_FIRST      ED_DRAWING_ID_RANDOM_BACKGROUND
1033 #define ED_DRAWING_ID_EDITOR_LAST       ED_DRAWING_ID_RANDOM_BACKGROUND
1034
1035
1036 /*
1037   -----------------------------------------------------------------------------
1038   some internally used definitions
1039   -----------------------------------------------------------------------------
1040 */
1041
1042 /* values for CopyLevelToUndoBuffer() */
1043 #define UNDO_IMMEDIATE                  0
1044 #define UNDO_ACCUMULATE                 1
1045
1046 /* values for scrollbars */
1047 #define ED_SCROLL_NO                    0
1048 #define ED_SCROLL_LEFT                  1
1049 #define ED_SCROLL_RIGHT                 2
1050 #define ED_SCROLL_UP                    4
1051 #define ED_SCROLL_DOWN                  8
1052
1053 /* screens in the level editor */
1054 #define ED_MODE_DRAWING                 0
1055 #define ED_MODE_INFO                    1
1056 #define ED_MODE_PROPERTIES              2
1057 #define ED_MODE_PALETTE                 3
1058
1059 /* sub-screens in the global settings section */
1060 #define ED_MODE_LEVELINFO_LEVEL         ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
1061 #define ED_MODE_LEVELINFO_LEVELSET      ED_TEXTBUTTON_ID_LEVELINFO_LEVELSET
1062 #define ED_MODE_LEVELINFO_EDITOR        ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
1063
1064 /* sub-screens in the element properties section */
1065 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
1066 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
1067 #define ED_MODE_PROPERTIES_CONFIG_1     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1
1068 #define ED_MODE_PROPERTIES_CONFIG_2     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2
1069 #define ED_MODE_PROPERTIES_CHANGE       ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
1070
1071 /* how many steps can be cancelled */
1072 #define NUM_UNDO_STEPS                  (64 + 1)
1073
1074 /* values for elements with score for certain actions */
1075 #define MIN_SCORE                       0
1076 #define MAX_SCORE                       999
1077
1078 /* values for elements with count for collecting */
1079 #define MIN_COLLECT_COUNT               0
1080 #define MAX_COLLECT_COUNT               999
1081
1082 /* values for random placement */
1083 #define RANDOM_USE_PERCENTAGE           0
1084 #define RANDOM_USE_QUANTITY             1
1085
1086 /* values for level set save mode */
1087 #define LEVELSET_SAVE_MODE_UPDATE       0
1088 #define LEVELSET_SAVE_MODE_CREATE       1
1089
1090 /* default value for element tile size in drawing area */
1091 #define DEFAULT_EDITOR_TILESIZE         MINI_TILESIZE
1092
1093
1094 /*
1095   -----------------------------------------------------------------------------
1096   some internally used data structure definitions
1097   -----------------------------------------------------------------------------
1098 */
1099
1100 static struct
1101 {
1102   int graphic;
1103   int gadget_id;
1104   struct XYTileSize *pos;
1105   int gadget_type;
1106   char *infotext;
1107   char shortcut;
1108 } controlbutton_info[ED_NUM_CTRL_BUTTONS] =
1109 {
1110   /* note: some additional characters are already reserved for "cheat mode"
1111      shortcuts (":XYZ" style) -- for details, see "events.c" */
1112
1113   /* ---------- toolbox control buttons ------------------------------------ */
1114
1115   {
1116     IMG_GFX_EDITOR_BUTTON_DRAW_SINGLE,          GADGET_ID_SINGLE_ITEMS,
1117     &editor.button.draw_single,                 GD_TYPE_RADIO_BUTTON,
1118     "draw single items",                        's'
1119   },
1120   {
1121     IMG_GFX_EDITOR_BUTTON_DRAW_CONNECTED,       GADGET_ID_CONNECTED_ITEMS,
1122     &editor.button.draw_connected,              GD_TYPE_RADIO_BUTTON,
1123     "draw connected items",                     'd'
1124   },
1125   {
1126     IMG_GFX_EDITOR_BUTTON_DRAW_LINE,            GADGET_ID_LINE,
1127     &editor.button.draw_line,                   GD_TYPE_RADIO_BUTTON,
1128     "draw lines",                               'l'
1129   },
1130   {
1131     IMG_GFX_EDITOR_BUTTON_DRAW_ARC,             GADGET_ID_ARC,
1132     &editor.button.draw_arc,                    GD_TYPE_RADIO_BUTTON,
1133     "draw arcs",                                'a'
1134   },
1135   {
1136     IMG_GFX_EDITOR_BUTTON_DRAW_RECTANGLE,       GADGET_ID_RECTANGLE,
1137     &editor.button.draw_rectangle,              GD_TYPE_RADIO_BUTTON,
1138     "draw outline rectangles",                  'r'
1139   },
1140   {
1141     IMG_GFX_EDITOR_BUTTON_DRAW_FILLED_BOX,      GADGET_ID_FILLED_BOX,
1142     &editor.button.draw_filled_box,             GD_TYPE_RADIO_BUTTON,
1143     "draw filled rectangles",                   'R'
1144   },
1145   {
1146     IMG_GFX_EDITOR_BUTTON_ROTATE_UP,            GADGET_ID_WRAP_UP,
1147     &editor.button.rotate_up,                   GD_TYPE_NORMAL_BUTTON,
1148     "wrap (rotate) level up",                   0
1149   },
1150   {
1151     IMG_GFX_EDITOR_BUTTON_DRAW_TEXT,            GADGET_ID_TEXT,
1152     &editor.button.draw_text,                   GD_TYPE_RADIO_BUTTON,
1153     "enter text elements",                      't'
1154   },
1155   {
1156     IMG_GFX_EDITOR_BUTTON_FLOOD_FILL,           GADGET_ID_FLOOD_FILL,
1157     &editor.button.flood_fill,                  GD_TYPE_RADIO_BUTTON,
1158     "flood fill",                               'f'
1159   },
1160   {
1161     IMG_GFX_EDITOR_BUTTON_ROTATE_LEFT,          GADGET_ID_WRAP_LEFT,
1162     &editor.button.rotate_left,                 GD_TYPE_NORMAL_BUTTON,
1163     "wrap (rotate) level left",                 0
1164   },
1165   {
1166     IMG_GFX_EDITOR_BUTTON_ZOOM_LEVEL,           GADGET_ID_ZOOM,
1167     &editor.button.zoom_level,                  GD_TYPE_NORMAL_BUTTON,
1168     "zoom level tile size",                     '+'
1169   },
1170   {
1171     IMG_GFX_EDITOR_BUTTON_ROTATE_RIGHT,         GADGET_ID_WRAP_RIGHT,
1172     &editor.button.rotate_right,                GD_TYPE_NORMAL_BUTTON,
1173     "wrap (rotate) level right",                0
1174   },
1175   {
1176     IMG_GFX_EDITOR_BUTTON_DRAW_RANDOM,          GADGET_ID_RANDOM_PLACEMENT,
1177     &editor.button.draw_random,                 GD_TYPE_NORMAL_BUTTON,
1178     "random element placement",                 0
1179   },
1180   {
1181     IMG_GFX_EDITOR_BUTTON_GRAB_BRUSH,           GADGET_ID_GRAB_BRUSH,
1182     &editor.button.grab_brush,                  GD_TYPE_RADIO_BUTTON,
1183     "grab brush",                               'b'
1184   },
1185   {
1186     IMG_GFX_EDITOR_BUTTON_ROTATE_DOWN,          GADGET_ID_WRAP_DOWN,
1187     &editor.button.rotate_down,                 GD_TYPE_NORMAL_BUTTON,
1188     "wrap (rotate) level down",                 0
1189   },
1190   {
1191     IMG_GFX_EDITOR_BUTTON_PICK_ELEMENT,         GADGET_ID_PICK_ELEMENT,
1192     &editor.button.pick_element,                GD_TYPE_RADIO_BUTTON,
1193     "pick drawing element",                     ','
1194   },
1195
1196   /* ---------- level control buttons -------------------------------------- */
1197
1198   {
1199     IMG_GFX_EDITOR_BUTTON_UNDO,                 GADGET_ID_UNDO,
1200     &editor.button.undo,                        GD_TYPE_NORMAL_BUTTON,
1201     "undo/redo last operation",                 'u'
1202   },
1203   {
1204     IMG_GFX_EDITOR_BUTTON_CONF,                 GADGET_ID_INFO,
1205     &editor.button.conf,                        GD_TYPE_NORMAL_BUTTON,
1206     "properties of level",                      'I'
1207   },
1208   {
1209     IMG_GFX_EDITOR_BUTTON_SAVE,                 GADGET_ID_SAVE,
1210     &editor.button.save,                        GD_TYPE_NORMAL_BUTTON,
1211     "save level",                               'S'
1212   },
1213   {
1214     IMG_GFX_EDITOR_BUTTON_CLEAR,                GADGET_ID_CLEAR,
1215     &editor.button.clear,                       GD_TYPE_NORMAL_BUTTON,
1216     "clear level",                              'C'
1217   },
1218   {
1219     IMG_GFX_EDITOR_BUTTON_TEST,                 GADGET_ID_TEST,
1220     &editor.button.test,                        GD_TYPE_NORMAL_BUTTON,
1221     "test level",                               'T'
1222   },
1223   {
1224     IMG_GFX_EDITOR_BUTTON_EXIT,                 GADGET_ID_EXIT,
1225     &editor.button.exit,                        GD_TYPE_NORMAL_BUTTON,
1226     "exit level editor",                        'E'
1227   },
1228
1229   /* ---------- CE and GE control buttons ---------------------------------- */
1230
1231   {
1232     IMG_GFX_EDITOR_BUTTON_CE_COPY_FROM,         GADGET_ID_CUSTOM_COPY_FROM,
1233     &editor.button.ce_copy_from,                GD_TYPE_RADIO_BUTTON,
1234     "copy settings from other element",         0
1235   },
1236   {
1237     IMG_GFX_EDITOR_BUTTON_CE_COPY_TO,           GADGET_ID_CUSTOM_COPY_TO,
1238     &editor.button.ce_copy_to,                  GD_TYPE_RADIO_BUTTON,
1239     "copy settings to other element",           0
1240   },
1241   {
1242     IMG_GFX_EDITOR_BUTTON_CE_SWAP,              GADGET_ID_CUSTOM_EXCHANGE,
1243     &editor.button.ce_swap,                     GD_TYPE_RADIO_BUTTON,
1244     "exchange element with other element",      0
1245   },
1246   {
1247     IMG_GFX_EDITOR_BUTTON_CE_COPY,              GADGET_ID_CUSTOM_COPY,
1248     &editor.button.ce_copy,                     GD_TYPE_NORMAL_BUTTON,
1249     "copy settings from this element",          0
1250   },
1251   {
1252     IMG_GFX_EDITOR_BUTTON_CE_PASTE,             GADGET_ID_CUSTOM_PASTE,
1253     &editor.button.ce_paste,                    GD_TYPE_NORMAL_BUTTON,
1254     "paste settings to this element",           0
1255   },
1256
1257   /* ---------- palette control buttons ------------------------------------ */
1258
1259   {
1260     IMG_GFX_EDITOR_BUTTON_PROPERTIES,           GADGET_ID_PROPERTIES,
1261     &editor.button.properties,                  GD_TYPE_NORMAL_BUTTON,
1262     "properties of drawing element",            'p'
1263   },
1264   {
1265     IMG_GFX_EDITOR_BUTTON_ELEMENT_LEFT,         GADGET_ID_ELEMENT_LEFT,
1266     &editor.button.element_left,                GD_TYPE_NORMAL_BUTTON,
1267     "properties of drawing element 1",          '1'
1268   },
1269   {
1270     IMG_GFX_EDITOR_BUTTON_ELEMENT_MIDDLE,       GADGET_ID_ELEMENT_MIDDLE,
1271     &editor.button.element_middle,              GD_TYPE_NORMAL_BUTTON,
1272     "properties of drawing element 2",          '2'
1273   },
1274   {
1275     IMG_GFX_EDITOR_BUTTON_ELEMENT_RIGHT,        GADGET_ID_ELEMENT_RIGHT,
1276     &editor.button.element_right,               GD_TYPE_NORMAL_BUTTON,
1277     "properties of drawing element 3",          '3'
1278   },
1279   {
1280     IMG_GFX_EDITOR_BUTTON_PALETTE,              GADGET_ID_PALETTE,
1281     &editor.button.palette,                     GD_TYPE_NORMAL_BUTTON,
1282     "show list of elements",                    'e'
1283   }
1284 };
1285
1286 static int random_placement_value = 10;
1287 static int random_placement_method = RANDOM_USE_QUANTITY;
1288 static int random_placement_background_element = EL_SAND;
1289 static boolean random_placement_background_restricted = FALSE;
1290 static boolean stick_element_properties_window = FALSE;
1291 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
1292 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
1293 static struct ElementChangeInfo custom_element_change;
1294 static struct ElementGroupInfo group_element_info;
1295 static struct ElementInfo custom_element;
1296
1297 static char levelset_name[MAX_LEVEL_NAME_LEN + 1];
1298 static char levelset_author[MAX_LEVEL_AUTHOR_LEN + 1];
1299 static int levelset_num_levels = 100;
1300 static int levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
1301
1302 static struct
1303 {
1304   int x, y;
1305   int min_value, max_value;
1306   int gadget_id_down, gadget_id_up;
1307   int gadget_id_text;
1308   int gadget_id_align;
1309   int *value;
1310   char *text_above, *text_left, *text_right;
1311 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
1312 {
1313   /* ---------- current level number --------------------------------------- */
1314
1315   {
1316     -1, -1,     /* these values are not constant, but can change at runtime */
1317     1,                                  100,
1318     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
1319     GADGET_ID_SELECT_LEVEL_TEXT,        GADGET_ID_NONE,
1320     &level_nr,
1321     NULL,                               NULL, NULL
1322   },
1323
1324   /* ---------- level and editor settings ---------------------------------- */
1325
1326   {
1327     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1328     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
1329     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
1330     GADGET_ID_LEVEL_XSIZE_TEXT,         GADGET_ID_NONE,
1331     &level.fieldx,
1332     "playfield size:",                  NULL, "width",
1333   },
1334   {
1335     -1,                                 ED_LEVEL_SETTINGS_YPOS(4),
1336     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
1337     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
1338     GADGET_ID_LEVEL_YSIZE_TEXT,         GADGET_ID_LEVEL_XSIZE_UP,
1339     &level.fieldy,
1340     NULL,                               " ", "height",
1341   },
1342   {
1343     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
1344     0,                                  999,
1345     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
1346     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,     GADGET_ID_NONE,
1347     &level.gems_needed,
1348     NULL,                               "number of gems to collect:", NULL
1349   },
1350   {
1351     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
1352     0,                                  9999,
1353     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
1354     GADGET_ID_LEVEL_TIMELIMIT_TEXT,     GADGET_ID_NONE,
1355     &level.time,
1356     "time or step limit to solve level:", NULL, NULL
1357   },
1358   {
1359     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
1360     0,                                  999,
1361     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
1362     GADGET_ID_LEVEL_TIMESCORE_TEXT,     GADGET_ID_NONE,
1363     &level.score[SC_TIME_BONUS],
1364     "score for each second/step left:", NULL, NULL
1365   },
1366   {
1367     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(12),
1368     0,                                  9999,
1369     GADGET_ID_LEVEL_RANDOM_SEED_DOWN,   GADGET_ID_LEVEL_RANDOM_SEED_UP,
1370     GADGET_ID_LEVEL_RANDOM_SEED_TEXT,   GADGET_ID_NONE,
1371     &level.random_seed,
1372     NULL,                               "random seed:", "(0 => random)"
1373   },
1374   {
1375     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1376     1,                                  MAX_LEVELS,
1377     GADGET_ID_LEVELSET_NUM_LEVELS_DOWN, GADGET_ID_LEVELSET_NUM_LEVELS_UP,
1378     GADGET_ID_LEVELSET_NUM_LEVELS_TEXT, GADGET_ID_NONE,
1379     &levelset_num_levels,
1380     "number of levels:",                NULL, NULL,
1381   },
1382   {
1383     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1384     1,                                  100,
1385     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
1386     GADGET_ID_LEVEL_RANDOM_TEXT,        GADGET_ID_NONE,
1387     &random_placement_value,
1388     "random element placement:",        NULL, "in"
1389   },
1390
1391   /* ---------- element settings: configure (various elements) ------------- */
1392
1393   {
1394     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1395     MIN_SCORE,                          MAX_SCORE,
1396     GADGET_ID_ELEMENT_VALUE1_DOWN,      GADGET_ID_ELEMENT_VALUE1_UP,
1397     GADGET_ID_ELEMENT_VALUE1_TEXT,      GADGET_ID_NONE,
1398     NULL,                               /* will be set when used */
1399     NULL,                               NULL, NULL
1400   },
1401   {
1402     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
1403     MIN_SCORE,                          MAX_SCORE,
1404     GADGET_ID_ELEMENT_VALUE2_DOWN,      GADGET_ID_ELEMENT_VALUE2_UP,
1405     GADGET_ID_ELEMENT_VALUE2_TEXT,      GADGET_ID_NONE,
1406     NULL,                               /* will be set when used */
1407     NULL,                               NULL, NULL
1408   },
1409   {
1410     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1411     MIN_SCORE,                          MAX_SCORE,
1412     GADGET_ID_ELEMENT_VALUE3_DOWN,      GADGET_ID_ELEMENT_VALUE3_UP,
1413     GADGET_ID_ELEMENT_VALUE3_TEXT,      GADGET_ID_NONE,
1414     NULL,                               /* will be set when used */
1415     NULL,                               NULL, NULL
1416   },
1417   {
1418     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1419     MIN_SCORE,                          MAX_SCORE,
1420     GADGET_ID_ELEMENT_VALUE4_DOWN,      GADGET_ID_ELEMENT_VALUE4_UP,
1421     GADGET_ID_ELEMENT_VALUE4_TEXT,      GADGET_ID_NONE,
1422     NULL,                               /* will be set when used */
1423     NULL,                               NULL, NULL
1424   },
1425   {
1426     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1427     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1428     GADGET_ID_YAMYAM_CONTENT_DOWN,      GADGET_ID_YAMYAM_CONTENT_UP,
1429     GADGET_ID_YAMYAM_CONTENT_TEXT,      GADGET_ID_NONE,
1430     &level.num_yamyam_contents,
1431     NULL,                               NULL, "number of content areas"
1432   },
1433   {
1434     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1435     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1436     GADGET_ID_BALL_CONTENT_DOWN,        GADGET_ID_BALL_CONTENT_UP,
1437     GADGET_ID_BALL_CONTENT_TEXT,        GADGET_ID_NONE,
1438     &level.num_ball_contents,
1439     NULL,                               NULL, "number of content areas"
1440   },
1441   {
1442     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1443     MIN_ANDROID_ELEMENTS,               MAX_ANDROID_ELEMENTS,
1444     GADGET_ID_ANDROID_CONTENT_DOWN,     GADGET_ID_ANDROID_CONTENT_UP,
1445     GADGET_ID_ANDROID_CONTENT_TEXT,     GADGET_ID_NONE,
1446     &level.num_android_clone_elements,
1447     NULL,                               NULL, "number of clonable elements"
1448   },
1449   {
1450     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1451     MIN_ENVELOPE_XSIZE,                 MAX_ENVELOPE_XSIZE,
1452     GADGET_ID_ENVELOPE_XSIZE_DOWN,      GADGET_ID_ENVELOPE_XSIZE_UP,
1453     GADGET_ID_ENVELOPE_XSIZE_TEXT,      GADGET_ID_NONE,
1454     NULL,                               /* will be set when used */
1455     NULL,                               NULL, "width",
1456   },
1457   {
1458     -1,                                 ED_ELEMENT_SETTINGS_YPOS(0),
1459     MIN_ENVELOPE_YSIZE,                 MAX_ENVELOPE_YSIZE,
1460     GADGET_ID_ENVELOPE_YSIZE_DOWN,      GADGET_ID_ENVELOPE_YSIZE_UP,
1461     GADGET_ID_ENVELOPE_YSIZE_TEXT,      GADGET_ID_ENVELOPE_XSIZE_UP,
1462     NULL,                               /* will be set when used */
1463     NULL,                               " ", "height",
1464   },
1465   {
1466     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1467     MIN_INITIAL_INVENTORY_SIZE,         MAX_INITIAL_INVENTORY_SIZE,
1468     GADGET_ID_INVENTORY_SIZE_DOWN,      GADGET_ID_INVENTORY_SIZE_UP,
1469     GADGET_ID_INVENTORY_SIZE_TEXT,      GADGET_ID_NONE,
1470     &level.initial_inventory_size[0],
1471     NULL,                               NULL, "number of inventory elements"
1472   },
1473
1474   /* ---------- element settings: configure 1 (custom elements) ------------ */
1475
1476   {
1477     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1478     MIN_SCORE,                          MAX_SCORE,
1479     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
1480     GADGET_ID_CUSTOM_SCORE_TEXT,        GADGET_ID_NONE,
1481     &custom_element.collect_score_initial,
1482     NULL,                               "CE score", " "
1483   },
1484   {
1485     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1486     MIN_COLLECT_COUNT,                  MAX_COLLECT_COUNT,
1487     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
1488     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,     GADGET_ID_CUSTOM_SCORE_UP,
1489     &custom_element.collect_count_initial,
1490     NULL,                               "CE count", NULL
1491   },
1492   {
1493     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1494     0,                                  9999,
1495     GADGET_ID_CUSTOM_VALUE_FIX_DOWN,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1496     GADGET_ID_CUSTOM_VALUE_FIX_TEXT,    GADGET_ID_NONE,
1497     &custom_element.ce_value_fixed_initial,
1498     NULL,                               "CE value", NULL
1499   },
1500   {
1501     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1502     0,                                  9999,
1503     GADGET_ID_CUSTOM_VALUE_RND_DOWN,    GADGET_ID_CUSTOM_VALUE_RND_UP,
1504     GADGET_ID_CUSTOM_VALUE_RND_TEXT,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1505     &custom_element.ce_value_random_initial,
1506     NULL,                               "+random", NULL
1507   },
1508   {
1509     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1510     0,                                  999,
1511     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
1512     GADGET_ID_PUSH_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1513     &custom_element.push_delay_fixed,
1514     NULL,                               "push delay", NULL
1515   },
1516   {
1517     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1518     0,                                  999,
1519     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
1520     GADGET_ID_PUSH_DELAY_RND_TEXT,      GADGET_ID_PUSH_DELAY_FIX_UP,
1521     &custom_element.push_delay_random,
1522     NULL,                               "+random", NULL
1523   },
1524   {
1525     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(7),
1526     0,                                  999,
1527     GADGET_ID_DROP_DELAY_FIX_DOWN,      GADGET_ID_DROP_DELAY_FIX_UP,
1528     GADGET_ID_DROP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1529     &custom_element.drop_delay_fixed,
1530     NULL,                               "drop delay", NULL
1531   },
1532   {
1533     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
1534     0,                                  999,
1535     GADGET_ID_DROP_DELAY_RND_DOWN,      GADGET_ID_DROP_DELAY_RND_UP,
1536     GADGET_ID_DROP_DELAY_RND_TEXT,      GADGET_ID_DROP_DELAY_FIX_UP,
1537     &custom_element.drop_delay_random,
1538     NULL,                               "+random", NULL
1539   },
1540
1541   /* ---------- element settings: configure 2 (custom elements) ------------ */
1542
1543   {
1544     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1545     0,                                  999,
1546     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
1547     GADGET_ID_MOVE_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1548     &custom_element.move_delay_fixed,
1549     NULL,                               "move delay", NULL
1550   },
1551   {
1552     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1553     0,                                  999,
1554     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
1555     GADGET_ID_MOVE_DELAY_RND_TEXT,      GADGET_ID_MOVE_DELAY_FIX_UP,
1556     &custom_element.move_delay_random,
1557     NULL,                               "+random", NULL
1558   },
1559   {
1560     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(12),
1561     0,                                  999,
1562     GADGET_ID_EXPLOSION_DELAY_DOWN,     GADGET_ID_EXPLOSION_DELAY_UP,
1563     GADGET_ID_EXPLOSION_DELAY_TEXT,     GADGET_ID_NONE,
1564     &custom_element.explosion_delay,
1565     NULL,                               "explosion delay", NULL
1566   },
1567   {
1568     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
1569     0,                                  999,
1570     GADGET_ID_IGNITION_DELAY_DOWN,      GADGET_ID_IGNITION_DELAY_UP,
1571     GADGET_ID_IGNITION_DELAY_TEXT,      GADGET_ID_NONE,
1572     &custom_element.ignition_delay,
1573     NULL,                               "ignition delay", "(by fire)"
1574   },
1575
1576   /* ---------- element settings: configure (group elements) --------------- */
1577
1578   {
1579     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1580     MIN_ELEMENTS_IN_GROUP,              MAX_ELEMENTS_IN_GROUP,
1581     GADGET_ID_GROUP_CONTENT_DOWN,       GADGET_ID_GROUP_CONTENT_UP,
1582     GADGET_ID_GROUP_CONTENT_TEXT,       GADGET_ID_NONE,
1583     &group_element_info.num_elements,
1584     NULL,                               NULL, "number of elements in group"
1585   },
1586
1587   /* ---------- element settings: advanced (custom elements) --------------- */
1588
1589   {
1590     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(2),
1591     0,                                  999,
1592     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1593     GADGET_ID_CHANGE_DELAY_FIX_TEXT,    GADGET_ID_NONE,
1594     &custom_element_change.delay_fixed,
1595     NULL,                               "CE delay", NULL,
1596   },
1597   {
1598     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
1599     0,                                  999,
1600     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
1601     GADGET_ID_CHANGE_DELAY_RND_TEXT,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1602     &custom_element_change.delay_random,
1603     NULL,                               "+random", NULL
1604   },
1605   {
1606     ED_ELEMENT_SETTINGS_XPOS(3),        ED_ELEMENT_SETTINGS_YPOS(12),
1607     0,                                  100,
1608     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
1609     GADGET_ID_CHANGE_CONT_RND_TEXT,     GADGET_ID_NONE,
1610     &custom_element_change.random_percentage,
1611     NULL,                               "use random replace:", "%"
1612   },
1613 };
1614
1615 static struct
1616 {
1617   int x, y;
1618   int gadget_id;
1619   int size;
1620   char *value;
1621   char *text_above, *infotext;
1622 } textinput_info[ED_NUM_TEXTINPUT] =
1623 {
1624   {
1625     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1626     GADGET_ID_LEVEL_NAME,
1627     MAX_LEVEL_NAME_LEN,
1628     level.name,
1629     "Title:", "Title for this level"
1630   },
1631   {
1632     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1633     GADGET_ID_LEVEL_AUTHOR,
1634     MAX_LEVEL_AUTHOR_LEN,
1635     level.author,
1636     "Author:", "Author for this level"
1637   },
1638   {
1639     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1640     GADGET_ID_LEVELSET_NAME,
1641     MAX_LEVEL_NAME_LEN,
1642     levelset_name,
1643     "Title:", "Title for this or new level set"
1644   },
1645   {
1646     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1647     GADGET_ID_LEVELSET_AUTHOR,
1648     MAX_LEVEL_AUTHOR_LEN,
1649     levelset_author,
1650     "Author:", "Author for this or new level set"
1651   },
1652   {
1653     -1, -1,     /* these values are not constant, but can change at runtime */
1654     GADGET_ID_ELEMENT_NAME,
1655     MAX_ELEMENT_NAME_LEN - 2,           /* currently 2 chars less editable */
1656     custom_element.description,
1657     NULL, "Element name"
1658   }
1659 };
1660
1661 static struct
1662 {
1663   int x, y;
1664   int gadget_id;
1665   int xsize, ysize;
1666   char *value;
1667   char *text_above, *infotext;
1668 } textarea_info[ED_NUM_TEXTAREAS] =
1669 {
1670   {
1671     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1672     GADGET_ID_ENVELOPE_INFO,
1673     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
1674     NULL,
1675     "Envelope Content:", "Envelope Content"
1676   }
1677 };
1678
1679 static struct ValueTextInfo options_time_or_steps[] =
1680 {
1681   { 0,                          "seconds"                       },
1682   { 1,                          "steps"                         },
1683
1684   { -1,                         NULL                            }
1685 };
1686
1687 static struct ValueTextInfo options_game_engine_type[] =
1688 {
1689   { GAME_ENGINE_TYPE_RND,       "Rocks'n'Diamonds"              },
1690   { GAME_ENGINE_TYPE_EM,        "Emerald Mine"                  },
1691   { GAME_ENGINE_TYPE_SP,        "Supaplex"                      },
1692   { GAME_ENGINE_TYPE_MM,        "Mirror Magic"                  },
1693
1694   { -1,                         NULL                            }
1695 };
1696
1697 static struct ValueTextInfo options_levelset_save_mode[] =
1698 {
1699   { LEVELSET_SAVE_MODE_UPDATE,  "Update this level set"         },
1700   { LEVELSET_SAVE_MODE_CREATE,  "Create new level set"          },
1701
1702   { -1,                         NULL                            }
1703 };
1704
1705 static struct ValueTextInfo options_wind_direction[] =
1706 {
1707   { MV_START_NONE,              "none"                          },
1708   { MV_START_LEFT,              "left"                          },
1709   { MV_START_RIGHT,             "right"                         },
1710   { MV_START_UP,                "up"                            },
1711   { MV_START_DOWN,              "down"                          },
1712
1713   { -1,                         NULL                            }
1714 };
1715
1716 static struct ValueTextInfo options_player_speed[] =
1717 {
1718   { 0,                          "frozen"                        },
1719   { 1,                          "very slow"                     },
1720   { 2,                          "slow"                          },
1721   { 4,                          "normal"                        },
1722   { 8,                          "fast"                          },
1723   { 16,                         "very fast"                     },
1724   { 32,                         "ultrafast"                     },
1725
1726   { -1,                         NULL                            }
1727 };
1728
1729 static struct ValueTextInfo options_access_type[] =
1730 {
1731   { EP_WALKABLE,                "walkable"                      },
1732   { EP_PASSABLE,                "passable"                      },
1733
1734   { -1,                         NULL                            }
1735 };
1736
1737 static struct ValueTextInfo options_access_layer[] =
1738 {
1739   { EP_ACCESSIBLE_OVER,         "over"                          },
1740   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
1741   { EP_ACCESSIBLE_UNDER,        "under"                         },
1742
1743   { -1,                         NULL                            }
1744 };
1745
1746 static struct ValueTextInfo options_access_protected[] =
1747 {
1748   { 0,                          "unprotected"                   },
1749   { 1,                          "protected"                     },
1750
1751   { -1,                         NULL                            }
1752 };
1753
1754 static struct ValueTextInfo options_access_direction[] =
1755 {
1756   { MV_NO_DIRECTION,            "no direction"                  },
1757   { MV_LEFT,                    "left"                          },
1758   { MV_RIGHT,                   "right"                         },
1759   { MV_UP,                      "up"                            },
1760   { MV_DOWN,                    "down"                          },
1761   { MV_LEFT  | MV_UP,           "left + up"                     },
1762   { MV_LEFT  | MV_DOWN,         "left + down"                   },
1763   { MV_RIGHT | MV_UP,           "right + up"                    },
1764   { MV_RIGHT | MV_DOWN,         "right + down"                  },
1765   { MV_HORIZONTAL,              "horizontal"                    },
1766   { MV_VERTICAL,                "vertical"                      },
1767   { MV_HORIZONTAL | MV_UP,      "horizontal + up"               },
1768   { MV_HORIZONTAL | MV_DOWN,    "horizontal + down"             },
1769   { MV_VERTICAL   | MV_LEFT,    "vertical + left"               },
1770   { MV_VERTICAL   | MV_RIGHT,   "vertical + right"              },
1771   { MV_ALL_DIRECTIONS,          "all directions"                },
1772
1773   { -1,                         NULL                            }
1774 };
1775
1776 static struct ValueTextInfo options_walk_to_action[] =
1777 {
1778   { EP_DIGGABLE,                "diggable"                      },
1779   { EP_COLLECTIBLE_ONLY,        "collectible"                   },
1780   { EP_DROPPABLE,               "collectible & droppable"       },
1781   { EP_THROWABLE,               "collectible & throwable"       },
1782   { EP_PUSHABLE,                "pushable"                      },
1783
1784   { -1,                         NULL                            }
1785 };
1786
1787 static struct ValueTextInfo options_move_pattern[] =
1788 {
1789   { MV_LEFT,                    "left"                          },
1790   { MV_RIGHT,                   "right"                         },
1791   { MV_UP,                      "up"                            },
1792   { MV_DOWN,                    "down"                          },
1793   { MV_HORIZONTAL,              "horizontal"                    },
1794   { MV_VERTICAL,                "vertical"                      },
1795   { MV_ALL_DIRECTIONS,          "all directions"                },
1796   { MV_WIND_DIRECTION,          "wind direction"                },
1797   { MV_TOWARDS_PLAYER,          "towards player"                },
1798   { MV_AWAY_FROM_PLAYER,        "away from player"              },
1799   { MV_ALONG_LEFT_SIDE,         "along left side"               },
1800   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
1801   { MV_TURNING_LEFT,            "turning left"                  },
1802   { MV_TURNING_RIGHT,           "turning right"                 },
1803   { MV_TURNING_LEFT_RIGHT,      "turning left, right"           },
1804   { MV_TURNING_RIGHT_LEFT,      "turning right, left"           },
1805   { MV_TURNING_RANDOM,          "turning random"                },
1806   { MV_MAZE_RUNNER,             "maze runner style"             },
1807   { MV_MAZE_HUNTER,             "maze hunter style"             },
1808   { MV_WHEN_PUSHED,             "when pushed"                   },
1809   { MV_WHEN_DROPPED,            "when dropped/thrown"           },
1810
1811   { -1,                         NULL                            }
1812 };
1813
1814 static struct ValueTextInfo options_move_direction[] =
1815 {
1816   { MV_START_AUTOMATIC,         "automatic"                     },
1817   { MV_START_LEFT,              "left"                          },
1818   { MV_START_RIGHT,             "right"                         },
1819   { MV_START_UP,                "up"                            },
1820   { MV_START_DOWN,              "down"                          },
1821   { MV_START_RANDOM,            "random"                        },
1822   { MV_START_PREVIOUS,          "previous"                      },
1823
1824   { -1,                         NULL                            }
1825 };
1826
1827 static struct ValueTextInfo options_move_stepsize[] =
1828 {
1829   { 0,                          "not moving"                    },
1830   { 1,                          "very slow"                     },
1831   { 2,                          "slow"                          },
1832   { 4,                          "normal"                        },
1833   { 8,                          "fast"                          },
1834   { 16,                         "very fast"                     },
1835   { 32,                         "even faster"                   },
1836
1837   { -1,                         NULL                            }
1838 };
1839
1840 static struct ValueTextInfo options_move_leave_type[] =
1841 {
1842   { LEAVE_TYPE_UNLIMITED,       "leave behind"                  },
1843   { LEAVE_TYPE_LIMITED,         "change it to"                  },
1844
1845   { -1,                         NULL                            }
1846 };
1847
1848 static struct ValueTextInfo options_smash_targets[] =
1849 {
1850   { EP_CAN_SMASH_PLAYER,        "player"                        },
1851 #if 0
1852   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
1853 #endif
1854   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
1855
1856   { -1,                         NULL                            }
1857 };
1858
1859 static struct ValueTextInfo options_slippery_type[] =
1860 {
1861   { SLIPPERY_ANY_RANDOM,        "random"                        },
1862   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
1863   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
1864   { SLIPPERY_ONLY_LEFT,         "only left"                     },
1865   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
1866
1867   { -1,                         NULL                            }
1868 };
1869
1870 static struct ValueTextInfo options_deadliness[] =
1871 {
1872   { EP_DONT_RUN_INTO,           "running into"                  },
1873   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
1874   { EP_DONT_GET_HIT_BY,         "getting hit by"                },
1875   { EP_DONT_TOUCH,              "touching"                      },
1876
1877   { -1,                         NULL                            }
1878 };
1879
1880 static struct ValueTextInfo options_explosion_type[] =
1881 {
1882   { EXPLODES_3X3,               "3x3"                           },
1883   { EXPLODES_CROSS,             "3+3"                           },
1884   { EXPLODES_1X1,               "1x1"                           },
1885
1886   { -1,                         NULL                            }
1887 };
1888
1889 static struct ValueTextInfo options_time_units[] =
1890 {
1891   { 1,                          "frames"                        },
1892   { FRAMES_PER_SECOND,          "seconds"                       },
1893
1894   { -1,                         NULL                            }
1895 };
1896
1897 static struct ValueTextInfo options_change_direct_action[] =
1898 {
1899   { CE_TOUCHED_BY_PLAYER,       "touched by player"             },
1900   { CE_PRESSED_BY_PLAYER,       "pressed by player"             },
1901   { CE_SWITCHED_BY_PLAYER,      "switched by player"            },
1902   { CE_SNAPPED_BY_PLAYER,       "snapped by player"             },
1903   { CE_PUSHED_BY_PLAYER,        "pushed by player"              },
1904   { CE_ENTERED_BY_PLAYER,       "entered by player"             },
1905   { CE_LEFT_BY_PLAYER,          "left by player"                },
1906   { CE_DROPPED_BY_PLAYER,       "dropped/thrown by player"      },
1907   { CE_SWITCHED,                "switched"                      },
1908   { CE_HITTING_SOMETHING,       "hitting something"             },
1909   { CE_HIT_BY_SOMETHING,        "hit by something"              },
1910 #if 0
1911   { CE_BLOCKED,                 "blocked"                       },
1912 #endif
1913   { CE_IMPACT,                  "impact (on something)"         },
1914   { CE_SMASHED,                 "smashed (from above)"          },
1915 #if 0
1916   { CE_VALUE_CHANGES,           "CE value changes"              },
1917   { CE_SCORE_CHANGES,           "CE score changes"              },
1918 #endif
1919   { CE_VALUE_GETS_ZERO,         "CE value gets 0"               },
1920   { CE_SCORE_GETS_ZERO,         "CE score gets 0"               },
1921
1922   { -1,                         NULL                            }
1923 };
1924
1925 static struct ValueTextInfo options_change_other_action[] =
1926 {
1927   { CE_PLAYER_TOUCHES_X,        "player touches"                },
1928   { CE_PLAYER_PRESSES_X,        "player presses"                },
1929   { CE_PLAYER_SWITCHES_X,       "player switches"               },
1930   { CE_PLAYER_SNAPS_X,          "player snaps"                  },
1931   { CE_PLAYER_PUSHES_X,         "player pushes"                 },
1932   { CE_PLAYER_ENTERS_X,         "player enters"                 },
1933   { CE_PLAYER_LEAVES_X,         "player leaves"                 },
1934   { CE_PLAYER_DIGS_X,           "player digs"                   },
1935   { CE_PLAYER_COLLECTS_X,       "player collects"               },
1936   { CE_PLAYER_DROPS_X,          "player drops/throws"           },
1937   { CE_TOUCHING_X,              "touching"                      },
1938   { CE_HITTING_X,               "hitting"                       },
1939   { CE_DIGGING_X,               "digging"                       },
1940   { CE_HIT_BY_X,                "hit by"                        },
1941   { CE_SWITCH_OF_X,             "switch of"                     },
1942   { CE_CHANGE_OF_X,             "change by page of"             },
1943   { CE_EXPLOSION_OF_X,          "explosion of"                  },
1944   { CE_MOVE_OF_X,               "move of"                       },
1945   { CE_CREATION_OF_X,           "creation of"                   },
1946   { CE_VALUE_CHANGES_OF_X,      "CE value changes of"           },
1947   { CE_SCORE_CHANGES_OF_X,      "CE score changes of"           },
1948   { CE_VALUE_GETS_ZERO_OF_X,    "CE value gets 0 of"            },
1949   { CE_SCORE_GETS_ZERO_OF_X,    "CE score gets 0 of"            },
1950
1951   { -1,                         NULL                            }
1952 };
1953
1954 static struct ValueTextInfo options_change_trigger_side[] =
1955 {
1956   { CH_SIDE_LEFT,               "left"                          },
1957   { CH_SIDE_RIGHT,              "right"                         },
1958   { CH_SIDE_TOP,                "top"                           },
1959   { CH_SIDE_BOTTOM,             "bottom"                        },
1960   { CH_SIDE_LEFT_RIGHT,         "left/right"                    },
1961   { CH_SIDE_TOP_BOTTOM,         "top/bottom"                    },
1962   { CH_SIDE_ANY,                "any"                           },
1963
1964   { -1,                         NULL                            }
1965 };
1966
1967 static struct ValueTextInfo options_change_trigger_player[] =
1968 {
1969   { CH_PLAYER_1,                "1"                             },
1970   { CH_PLAYER_2,                "2"                             },
1971   { CH_PLAYER_3,                "3"                             },
1972   { CH_PLAYER_4,                "4"                             },
1973   { CH_PLAYER_ANY,              "any"                           },
1974
1975   { -1,                         NULL                            }
1976 };
1977
1978 static struct ValueTextInfo options_change_trigger_page[] =
1979 {
1980   { (1 << 0),                   "1"                             },
1981   { (1 << 1),                   "2"                             },
1982   { (1 << 2),                   "3"                             },
1983   { (1 << 3),                   "4"                             },
1984   { (1 << 4),                   "5"                             },
1985   { (1 << 5),                   "6"                             },
1986   { (1 << 6),                   "7"                             },
1987   { (1 << 7),                   "8"                             },
1988   { (1 << 8),                   "9"                             },
1989   { (1 << 9),                   "10"                            },
1990   { (1 << 10),                  "11"                            },
1991   { (1 << 11),                  "12"                            },
1992   { (1 << 12),                  "13"                            },
1993   { (1 << 13),                  "14"                            },
1994   { (1 << 14),                  "15"                            },
1995   { (1 << 15),                  "16"                            },
1996   { (1 << 16),                  "17"                            },
1997   { (1 << 17),                  "18"                            },
1998   { (1 << 18),                  "19"                            },
1999   { (1 << 19),                  "20"                            },
2000   { (1 << 20),                  "21"                            },
2001   { (1 << 21),                  "22"                            },
2002   { (1 << 22),                  "23"                            },
2003   { (1 << 23),                  "24"                            },
2004   { (1 << 24),                  "25"                            },
2005   { (1 << 25),                  "26"                            },
2006   { (1 << 26),                  "27"                            },
2007   { (1 << 27),                  "28"                            },
2008   { (1 << 28),                  "29"                            },
2009   { (1 << 29),                  "30"                            },
2010   { (1 << 30),                  "31"                            },
2011   { (1 << 31),                  "32"                            },
2012   { CH_PAGE_ANY,                "any"                           },
2013
2014   { -1,                         NULL                            }
2015 };
2016
2017 static struct ValueTextInfo options_change_replace_when[] =
2018 {
2019   { CP_WHEN_EMPTY,              "empty"                         },
2020   { CP_WHEN_WALKABLE,           "walkable"                      },
2021   { CP_WHEN_DIGGABLE,           "diggable"                      },
2022   { CP_WHEN_COLLECTIBLE,        "collectible"                   },
2023   { CP_WHEN_REMOVABLE,          "removable"                     },
2024   { CP_WHEN_DESTRUCTIBLE,       "destructible"                  },
2025
2026   { -1,                         NULL                            }
2027 };
2028
2029 static struct ValueTextInfo options_action_type[] =
2030 {
2031   { CA_NO_ACTION,               "no action"                     },
2032   { CA_UNDEFINED,               " "                             },
2033   { CA_HEADLINE_LEVEL_ACTIONS,  "[level]"                       },
2034   { CA_RESTART_LEVEL,           "restart level"                 },
2035   { CA_SHOW_ENVELOPE,           "show envelope"                 },
2036   { CA_SET_LEVEL_TIME,          "set time"                      },
2037   { CA_SET_LEVEL_SCORE,         "set score"                     },
2038   { CA_SET_LEVEL_GEMS,          "set gems"                      },
2039   { CA_SET_LEVEL_WIND,          "set wind dir."                 },
2040   { CA_SET_LEVEL_RANDOM_SEED,   "set rand. seed"                },
2041   { CA_UNDEFINED,               " "                             },
2042   { CA_HEADLINE_PLAYER_ACTIONS, "[player]"                      },
2043   { CA_MOVE_PLAYER,             "move player"                   },
2044   { CA_EXIT_PLAYER,             "exit player"                   },
2045   { CA_KILL_PLAYER,             "kill player"                   },
2046   { CA_SET_PLAYER_KEYS,         "set keys"                      },
2047   { CA_SET_PLAYER_SPEED,        "set speed"                     },
2048   { CA_SET_PLAYER_SHIELD,       "set shield"                    },
2049   { CA_SET_PLAYER_GRAVITY,      "set gravity"                   },
2050   { CA_SET_PLAYER_ARTWORK,      "set artwork"                   },
2051   { CA_SET_PLAYER_INVENTORY,    "set inventory"                 },
2052   { CA_UNDEFINED,               " "                             },
2053   { CA_HEADLINE_CE_ACTIONS,     "[CE]"                          },
2054   { CA_SET_CE_VALUE,            "set CE value"                  },
2055   { CA_SET_CE_SCORE,            "set CE score"                  },
2056   { CA_SET_CE_ARTWORK,          "set CE artwork"                },
2057   { CA_UNDEFINED,               " "                             },
2058   { CA_HEADLINE_ENGINE_ACTIONS, "[engine]"                      },
2059   { CA_SET_ENGINE_SCAN_MODE,    "set scan mode"                 },
2060
2061   { -1,                         NULL                            }
2062 };
2063
2064 static struct ValueTextInfo options_action_mode_none[] =
2065 {
2066   { CA_MODE_UNDEFINED,          " "                             },
2067
2068   { -1,                         NULL                            }
2069 };
2070
2071 static struct ValueTextInfo options_action_mode_assign[] =
2072 {
2073   { CA_MODE_SET,                "="                             },
2074
2075   { -1,                         NULL                            }
2076 };
2077
2078 static struct ValueTextInfo options_action_mode_add_remove[] =
2079 {
2080   { CA_MODE_ADD,                "+"                             },
2081   { CA_MODE_SUBTRACT,           "-"                             },
2082
2083   { -1,                         NULL                            }
2084 };
2085
2086 static struct ValueTextInfo options_action_mode_calculate[] =
2087 {
2088   { CA_MODE_SET,                "="                             },
2089   { CA_MODE_ADD,                "+"                             },
2090   { CA_MODE_SUBTRACT,           "-"                             },
2091   { CA_MODE_MULTIPLY,           "*"                             },
2092   { CA_MODE_DIVIDE,             "/"                             },
2093   { CA_MODE_MODULO,             "%"                             },
2094
2095   { -1,                         NULL                            }
2096 };
2097
2098 static struct ValueTextInfo options_action_arg_none[] =
2099 {
2100   { CA_ARG_UNDEFINED,           "         "                     },
2101
2102   { -1,                         NULL                            }
2103 };
2104
2105 static struct ValueTextInfo options_action_arg_player[] =
2106 {
2107   { CA_ARG_PLAYER_HEADLINE,     "[player]"                      },
2108   { CA_ARG_PLAYER_1,            "1"                             },
2109   { CA_ARG_PLAYER_2,            "2"                             },
2110   { CA_ARG_PLAYER_3,            "3"                             },
2111   { CA_ARG_PLAYER_4,            "4"                             },
2112   { CA_ARG_PLAYER_ANY,          "any"                           },
2113   { CA_ARG_PLAYER_TRIGGER,      "trigger"                       },
2114   { CA_ARG_PLAYER_ACTION,       "action ->"                     },
2115
2116   { -1,                         NULL                            }
2117 };
2118
2119 static struct ValueTextInfo options_action_arg_number[] =
2120 {
2121   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2122   { CA_ARG_0,                   "0"                             },
2123   { CA_ARG_1,                   "1"                             },
2124   { CA_ARG_2,                   "2"                             },
2125   { CA_ARG_3,                   "3"                             },
2126   { CA_ARG_4,                   "4"                             },
2127   { CA_ARG_5,                   "5"                             },
2128   { CA_ARG_10,                  "10"                            },
2129   { CA_ARG_100,                 "100"                           },
2130   { CA_ARG_1000,                "1000"                          },
2131   { CA_ARG_UNDEFINED,           " "                             },
2132   { CA_ARG_NUMBER_MIN,          "min"                           },
2133   { CA_ARG_NUMBER_MAX,          "max"                           },
2134   { CA_ARG_UNDEFINED,           " "                             },
2135   { CA_ARG_NUMBER_RESET,        "reset"                         },
2136   { CA_ARG_UNDEFINED,           " "                             },
2137   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2138   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2139   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2140   { CA_ARG_UNDEFINED,           " "                             },
2141   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2142   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2143   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2144   { CA_ARG_UNDEFINED,           " "                             },
2145   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2146   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2147   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2148   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2149   { CA_ARG_UNDEFINED,           " "                             },
2150   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2151   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2152   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2153   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2154
2155   { -1,                         NULL                            }
2156 };
2157
2158 static struct ValueTextInfo options_action_arg_value[] =
2159 {
2160   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2161   { CA_ARG_0,                   "0"                             },
2162   { CA_ARG_1,                   "1"                             },
2163   { CA_ARG_2,                   "2"                             },
2164   { CA_ARG_3,                   "3"                             },
2165   { CA_ARG_4,                   "4"                             },
2166   { CA_ARG_5,                   "5"                             },
2167   { CA_ARG_10,                  "10"                            },
2168   { CA_ARG_100,                 "100"                           },
2169   { CA_ARG_1000,                "1000"                          },
2170   { CA_ARG_UNDEFINED,           " "                             },
2171   { CA_ARG_NUMBER_MIN,          "min"                           },
2172   { CA_ARG_NUMBER_MAX,          "max"                           },
2173   { CA_ARG_UNDEFINED,           " "                             },
2174   { CA_ARG_NUMBER_RESET,        "reset"                         },
2175   { CA_ARG_UNDEFINED,           " "                             },
2176   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2177   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2178   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2179   { CA_ARG_UNDEFINED,           " "                             },
2180   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2181   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2182   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2183   { CA_ARG_UNDEFINED,           " "                             },
2184   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2185   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2186   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2187   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2188   { CA_ARG_UNDEFINED,           " "                             },
2189   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2190   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2191   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2192   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2193   { CA_ARG_UNDEFINED,           " "                             },
2194   { CA_ARG_ELEMENT_NR_HEADLINE, "[element]"                     },
2195   { CA_ARG_ELEMENT_NR_TARGET,   "target"                        },
2196   { CA_ARG_ELEMENT_NR_TRIGGER,  "trigger"                       },
2197   { CA_ARG_ELEMENT_NR_ACTION,   "action ->"                     },
2198
2199   { -1,                         NULL                            }
2200 };
2201
2202 static struct ValueTextInfo options_action_arg_envelope[] =
2203 {
2204   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2205   { CA_ARG_1,                   "1"                             },
2206   { CA_ARG_2,                   "2"                             },
2207   { CA_ARG_3,                   "3"                             },
2208   { CA_ARG_4,                   "4"                             },
2209   { CA_ARG_UNDEFINED,           " "                             },
2210   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2211   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2212   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2213   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2214
2215   { -1,                         NULL                            }
2216 };
2217
2218 static struct ValueTextInfo options_action_arg_key[] =
2219 {
2220   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2221   { CA_ARG_1,                   "1"                             },
2222   { CA_ARG_2,                   "2"                             },
2223   { CA_ARG_3,                   "3"                             },
2224   { CA_ARG_4,                   "4"                             },
2225   { CA_ARG_5,                   "5"                             },
2226   { CA_ARG_6,                   "6"                             },
2227   { CA_ARG_7,                   "7"                             },
2228   { CA_ARG_8,                   "8"                             },
2229   { CA_ARG_UNDEFINED,           " "                             },
2230   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2231   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2232   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2233   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2234
2235   { -1,                         NULL                            }
2236 };
2237
2238 static struct ValueTextInfo options_action_arg_speed[] =
2239 {
2240   { CA_ARG_SPEED_HEADLINE,      "[speed]"                       },
2241   { CA_ARG_SPEED_NOT_MOVING,    "frozen"                        },
2242   { CA_ARG_SPEED_VERY_SLOW,     "very slow"                     },
2243   { CA_ARG_SPEED_SLOW,          "slow"                          },
2244   { CA_ARG_SPEED_NORMAL,        "normal"                        },
2245   { CA_ARG_SPEED_FAST,          "fast"                          },
2246   { CA_ARG_SPEED_VERY_FAST,     "very fast"                     },
2247   { CA_ARG_SPEED_EVEN_FASTER,   "ultrafast"                     },
2248   { CA_ARG_UNDEFINED,           " "                             },
2249   { CA_ARG_SPEED_SLOWER,        "slower"                        },
2250   { CA_ARG_SPEED_FASTER,        "faster"                        },
2251   { CA_ARG_UNDEFINED,           " "                             },
2252   { CA_ARG_SPEED_RESET,         "reset"                         },
2253
2254   { -1,                         NULL                            }
2255 };
2256
2257 static struct ValueTextInfo options_action_arg_shield[] =
2258 {
2259   { CA_ARG_SHIELD_HEADLINE,     "[shield]"                      },
2260   { CA_ARG_SHIELD_OFF,          "off"                           },
2261   { CA_ARG_SHIELD_NORMAL,       "normal"                        },
2262   { CA_ARG_SHIELD_DEADLY,       "deadly"                        },
2263
2264   { -1,                         NULL                            }
2265 };
2266
2267 static struct ValueTextInfo options_action_arg_artwork[] =
2268 {
2269   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2270   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2271   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2272   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2273   { CA_ARG_UNDEFINED,           " "                             },
2274   { CA_ARG_ELEMENT_RESET,       "reset"                         },
2275
2276   { -1,                         NULL                            }
2277 };
2278
2279 static struct ValueTextInfo options_action_arg_gravity[] =
2280 {
2281   { CA_ARG_GRAVITY_HEADLINE,    "[gravity]"                     },
2282   { CA_ARG_GRAVITY_ON,          "on"                            },
2283   { CA_ARG_GRAVITY_OFF,         "off"                           },
2284   { CA_ARG_GRAVITY_TOGGLE,      "toggle"                        },
2285
2286   { -1,                         NULL                            }
2287 };
2288
2289 static struct ValueTextInfo options_action_arg_direction[] =
2290 {
2291   { CA_ARG_DIRECTION_HEADLINE,  "[dir.]"                        },
2292   { CA_ARG_DIRECTION_NONE,      "none"                          },
2293   { CA_ARG_DIRECTION_LEFT,      "left"                          },
2294   { CA_ARG_DIRECTION_RIGHT,     "right"                         },
2295   { CA_ARG_DIRECTION_UP,        "up"                            },
2296   { CA_ARG_DIRECTION_DOWN,      "down"                          },
2297   { CA_ARG_DIRECTION_TRIGGER,   "trigger"                       },
2298   { CA_ARG_DIRECTION_TRIGGER_BACK, "-trigger"                   },
2299
2300   { -1,                         NULL                            }
2301 };
2302
2303 static struct ValueTextInfo options_action_arg_scan_mode[] =
2304 {
2305   { CA_ARG_SCAN_MODE_HEADLINE,  "[mode]"                        },
2306   { CA_ARG_SCAN_MODE_NORMAL,    "normal"                        },
2307   { CA_ARG_SCAN_MODE_REVERSE,   "reverse"                       },
2308
2309   { -1,                         NULL                            }
2310 };
2311
2312 static struct ValueTextInfo options_action_arg_inventory[] =
2313 {
2314   { CA_ARG_INVENTORY_HEADLINE,  "[add]"                         },
2315   { CA_ARG_ELEMENT_TARGET,      "+ target"                      },
2316   { CA_ARG_ELEMENT_TRIGGER,     "+ trigger"                     },
2317   { CA_ARG_ELEMENT_ACTION,      "+ action"                      },
2318   { CA_ARG_UNDEFINED,           " "                             },
2319   { CA_ARG_INVENTORY_RM_HEADLINE,"[remove]"                     },
2320   { CA_ARG_INVENTORY_RM_TARGET, "- target"                      },
2321   { CA_ARG_INVENTORY_RM_TRIGGER,"- trigger"                     },
2322   { CA_ARG_INVENTORY_RM_ACTION, "- action"                      },
2323   { CA_ARG_INVENTORY_RM_FIRST,  "- first"                       },
2324   { CA_ARG_INVENTORY_RM_LAST,   "- last"                        },
2325   { CA_ARG_INVENTORY_RM_ALL,    "- all"                         },
2326   { CA_ARG_UNDEFINED,           " "                             },
2327   { CA_ARG_INVENTORY_RESET,     "reset"                         },
2328
2329   { -1,                         NULL                            }
2330 };
2331
2332 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
2333 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
2334 {
2335   { -1,                         NULL                            }
2336 };
2337
2338 static struct ValueTextInfo options_group_choice_mode[] =
2339 {
2340   { ANIM_RANDOM,                "random"                        },
2341   { ANIM_LOOP,                  "loop"                          },
2342   { ANIM_LINEAR,                "linear"                        },
2343   { ANIM_PINGPONG,              "pingpong"                      },
2344   { ANIM_PINGPONG2,             "pingpong 2"                    },
2345
2346   { -1,                         NULL                            }
2347 };
2348
2349 static struct ValueTextInfo *action_arg_modes[] =
2350 {
2351   options_action_mode_none,
2352   options_action_mode_assign,
2353   options_action_mode_add_remove,
2354   options_action_mode_calculate,
2355 };
2356
2357 static struct
2358 {
2359   int value;
2360   int mode;
2361   struct ValueTextInfo *options;
2362 }
2363 action_arg_options[] =
2364 {
2365   { CA_NO_ACTION,               0,      options_action_arg_none,        },
2366   { CA_EXIT_PLAYER,             0,      options_action_arg_player,      },
2367   { CA_KILL_PLAYER,             0,      options_action_arg_player,      },
2368   { CA_MOVE_PLAYER,             0,      options_action_arg_direction,   },
2369   { CA_RESTART_LEVEL,           0,      options_action_arg_none,        },
2370   { CA_SHOW_ENVELOPE,           0,      options_action_arg_envelope,    },
2371   { CA_SET_LEVEL_TIME,          3,      options_action_arg_number,      },
2372   { CA_SET_LEVEL_GEMS,          3,      options_action_arg_number,      },
2373   { CA_SET_LEVEL_SCORE,         3,      options_action_arg_number,      },
2374   { CA_SET_LEVEL_WIND,          1,      options_action_arg_direction,   },
2375   { CA_SET_LEVEL_RANDOM_SEED,   1,      options_action_arg_number,      },
2376   { CA_SET_PLAYER_KEYS,         2,      options_action_arg_key,         },
2377   { CA_SET_PLAYER_SPEED,        1,      options_action_arg_speed,       },
2378   { CA_SET_PLAYER_SHIELD,       1,      options_action_arg_shield,      },
2379   { CA_SET_PLAYER_GRAVITY,      1,      options_action_arg_gravity,     },
2380   { CA_SET_PLAYER_ARTWORK,      1,      options_action_arg_artwork,     },
2381   { CA_SET_PLAYER_INVENTORY,    0,      options_action_arg_inventory,   },
2382   { CA_SET_CE_VALUE,            3,      options_action_arg_value,       },
2383   { CA_SET_CE_SCORE,            3,      options_action_arg_value,       },
2384   { CA_SET_CE_ARTWORK,          1,      options_action_arg_artwork,     },
2385   { CA_SET_ENGINE_SCAN_MODE,    1,      options_action_arg_scan_mode,   },
2386
2387   { -1,                         FALSE,  NULL                            }
2388 };
2389
2390 static struct
2391 {
2392   int x, y;
2393   int gadget_id;
2394   int gadget_id_align;
2395   int size;     /* char size of selectbox or '-1' (dynamically determined) */
2396   struct ValueTextInfo *options;
2397   int *value;
2398   char *text_above, *text_left, *text_right, *infotext;
2399 } selectbox_info[ED_NUM_SELECTBOX] =
2400 {
2401   /* ---------- level and editor settings ---------------------------------- */
2402
2403   {
2404     -1,                                 ED_LEVEL_SETTINGS_YPOS(8),
2405     GADGET_ID_TIME_OR_STEPS,            GADGET_ID_LEVEL_TIMELIMIT_UP,
2406     -1,
2407     options_time_or_steps,
2408     &level.use_step_counter,
2409     NULL, NULL, "(0 => no limit)",      "time or step limit"
2410   },
2411   {
2412     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(11),
2413     GADGET_ID_GAME_ENGINE_TYPE,         GADGET_ID_NONE,
2414     -1,
2415     options_game_engine_type,
2416     &level.game_engine_type,
2417     NULL, "game engine:", NULL,         "game engine"
2418   },
2419   {
2420     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(9),
2421     GADGET_ID_LEVELSET_SAVE_MODE,       GADGET_ID_NONE,
2422     -1,
2423     options_levelset_save_mode,
2424     &levelset_save_mode,
2425     "Action:", NULL, NULL,              "action when saving level set"
2426   },
2427
2428   /* ---------- element settings: configure (several elements) ------------- */
2429
2430   {
2431     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2432     GADGET_ID_WIND_DIRECTION,           GADGET_ID_NONE,
2433     -1,
2434     options_wind_direction,
2435     &level.wind_direction_initial,
2436     NULL, "initial wind direction:", NULL,      "initial wind direction"
2437   },
2438   {
2439     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2440     GADGET_ID_PLAYER_SPEED,             GADGET_ID_NONE,
2441     -1,
2442     options_player_speed,
2443     &level.initial_player_stepsize[0],
2444     NULL, "initial player speed:", NULL,        "initial player speed"
2445   },
2446
2447   /* ---------- element settings: configure 1 (custom elements) ------------ */
2448
2449   {
2450     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2451     GADGET_ID_CUSTOM_ACCESS_TYPE,       GADGET_ID_NONE,
2452     -1,
2453     options_access_type,
2454     &custom_element.access_type,
2455     NULL, NULL, NULL,                   "type of access to this field"
2456   },
2457   {
2458     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2459     GADGET_ID_CUSTOM_ACCESS_LAYER,      GADGET_ID_CUSTOM_ACCESS_TYPE,
2460     -1,
2461     options_access_layer,
2462     &custom_element.access_layer,
2463     NULL, NULL, NULL,                   "layer of access for this field"
2464   },
2465   {
2466     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2467     GADGET_ID_CUSTOM_ACCESS_PROTECTED,  GADGET_ID_CUSTOM_ACCESS_LAYER,
2468     -1,
2469     options_access_protected,
2470     &custom_element.access_protected,
2471     NULL, NULL, NULL,                   "protected access for this field"
2472   },
2473   {
2474     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2475     GADGET_ID_CUSTOM_ACCESS_DIRECTION,  GADGET_ID_NONE,
2476     -1,
2477     options_access_direction,
2478     &custom_element.access_direction,
2479     NULL, "from", NULL,                 "access direction for this field"
2480   },
2481   {
2482     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2483     GADGET_ID_CUSTOM_WALK_TO_ACTION,    GADGET_ID_NONE,
2484     -1,
2485     options_walk_to_action,
2486     &custom_element.walk_to_action,
2487     NULL, NULL, NULL,                   "diggable/collectible/pushable"
2488   },
2489
2490   /* ---------- element settings: configure 2 (custom elements) ------------ */
2491
2492   {
2493     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(1),
2494     GADGET_ID_CUSTOM_MOVE_PATTERN,      GADGET_ID_NONE,
2495     -1,
2496     options_move_pattern,
2497     &custom_element.move_pattern,
2498     NULL, "can move", NULL,             "element move pattern"
2499   },
2500   {
2501     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2502     GADGET_ID_CUSTOM_MOVE_DIRECTION,    GADGET_ID_NONE,
2503     -1,
2504     options_move_direction,
2505     &custom_element.move_direction_initial,
2506     NULL, "starts moving", NULL,        "initial element move direction"
2507   },
2508   {
2509     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2510     GADGET_ID_CUSTOM_MOVE_STEPSIZE,     GADGET_ID_NONE,
2511     -1,
2512     options_move_stepsize,
2513     &custom_element.move_stepsize,
2514     NULL, "move/fall speed", NULL,      "speed of element movement"
2515   },
2516   {
2517     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2518     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,   GADGET_ID_NONE,
2519     -1,
2520     options_move_leave_type,
2521     &custom_element.move_leave_type,
2522     // left text with leading spaces to place gadget next to "can dig" gadget
2523     // (needed because drawing area gadgets created after selectbox gadgets)
2524     // NULL, "can dig:    can", ":",    "leave behind or change element"
2525     NULL, "            can", ":",       "leave behind or change element"
2526   },
2527   {
2528     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
2529     GADGET_ID_CUSTOM_SMASH_TARGETS,     GADGET_ID_CUSTOM_CAN_SMASH,
2530     -1,
2531     options_smash_targets,
2532     &custom_element.smash_targets,
2533     NULL, "can smash", NULL,            "elements that can be smashed"
2534   },
2535   {
2536     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
2537     GADGET_ID_CUSTOM_SLIPPERY_TYPE,     GADGET_ID_NONE,
2538     -1,
2539     options_slippery_type,
2540     &custom_element.slippery_type,
2541     NULL, "slippery", NULL,             "where other elements fall down"
2542   },
2543   {
2544     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
2545     GADGET_ID_CUSTOM_DEADLINESS,        GADGET_ID_NONE,
2546     -1,
2547     options_deadliness,
2548     &custom_element.deadliness,
2549     NULL, "deadly when", NULL,          "deadliness of element"
2550   },
2551   {
2552     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(10),
2553     GADGET_ID_CUSTOM_EXPLOSION_TYPE,    GADGET_ID_NONE,
2554     -1,
2555     options_explosion_type,
2556     &custom_element.explosion_type,
2557     NULL, "can explode", NULL,          "explosion type"
2558   },
2559
2560   /* ---------- element settings: advanced (custom elements) --------------- */
2561
2562   {
2563     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(3),
2564     GADGET_ID_CHANGE_TIME_UNITS,        GADGET_ID_NONE,
2565     -1,
2566     options_time_units,
2567     &custom_element_change.delay_frames,
2568     NULL, "delay time given in", NULL,  "delay time units for change"
2569   },
2570   {
2571     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(4),
2572     GADGET_ID_CHANGE_DIRECT_ACTION,     GADGET_ID_NONE,
2573     -1,
2574     options_change_direct_action,
2575     &custom_element_change.direct_action,
2576     NULL, NULL, NULL,                   "type of direct action"
2577   },
2578   {
2579     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(5),
2580     GADGET_ID_CHANGE_OTHER_ACTION,      GADGET_ID_NONE,
2581     -1,
2582     options_change_other_action,
2583     &custom_element_change.other_action,
2584     NULL, NULL, "element:",             "type of other element action"
2585   },
2586   {
2587     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(6),
2588     GADGET_ID_CHANGE_SIDE,              GADGET_ID_NONE,
2589     -1,
2590     options_change_trigger_side,
2591     &custom_element_change.trigger_side,
2592     NULL, "at", "side",                 "element side triggering change"
2593   },
2594   {
2595     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2596     GADGET_ID_CHANGE_PLAYER,            GADGET_ID_NONE,
2597     -1,
2598     options_change_trigger_player,
2599     &custom_element_change.trigger_player,
2600     NULL, "player:", " ",               "player that causes change"
2601   },
2602   {
2603     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2604     GADGET_ID_CHANGE_PAGE,              GADGET_ID_CHANGE_PLAYER,
2605     -1,
2606     options_change_trigger_page,
2607     &custom_element_change.trigger_page,
2608     NULL, "page:", NULL,                "change page that causes change"
2609   },
2610   {
2611     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(10),
2612     GADGET_ID_CHANGE_REPLACE_WHEN,      GADGET_ID_NONE,
2613     -1,
2614     options_change_replace_when,
2615     &custom_element_change.replace_when,
2616     NULL, "replace when", NULL,         "which elements can be replaced"
2617   },
2618   {
2619     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
2620     GADGET_ID_ACTION_TYPE,              GADGET_ID_NONE,
2621     -1,
2622     options_action_type,
2623     &custom_element_change.action_type,
2624     NULL, NULL, NULL,                   "action on specified condition"
2625   },
2626   {
2627     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2628     GADGET_ID_ACTION_MODE,              GADGET_ID_ACTION_TYPE,
2629     -1,
2630     options_action_mode_none,
2631     &custom_element_change.action_mode,
2632     NULL, NULL, NULL,                   "action operator"
2633   },
2634   {
2635     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2636     GADGET_ID_ACTION_ARG,               GADGET_ID_ACTION_MODE,
2637     -1,
2638     options_action_arg_none,
2639     &custom_element_change.action_arg,
2640     NULL, NULL, NULL,                   "action parameter"
2641   },
2642   {
2643     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
2644     GADGET_ID_SELECT_CHANGE_PAGE,       GADGET_ID_NONE,
2645     3,
2646     options_change_page,
2647     &custom_element.current_change_page,
2648     NULL, NULL, NULL,                   "element change page"
2649   },
2650
2651   /* ---------- element settings: configure (group elements) --------------- */
2652
2653   {
2654     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2655     GADGET_ID_GROUP_CHOICE_MODE,        GADGET_ID_NONE,
2656     -1,
2657     options_group_choice_mode,
2658     &group_element_info.choice_mode,
2659     NULL, "choice type:", NULL,         "type of group element choice"
2660   },
2661 };
2662
2663 static struct
2664 {
2665   int x, y;
2666   int gadget_id;
2667   int gadget_id_align;
2668   int size;
2669   char *text;
2670   char *text_above, *text_left, *text_right, *infotext;
2671 } textbutton_info[ED_NUM_TEXTBUTTONS] =
2672 {
2673   /* ---------- level and editor settings (tabs) --------------------------- */
2674
2675   {
2676     ED_LEVEL_TABS_XPOS(0),              ED_LEVEL_TABS_YPOS(0),
2677     GADGET_ID_LEVELINFO_LEVEL,          GADGET_ID_NONE,
2678     8,                                  "Level",
2679     NULL, NULL, NULL,                   "Configure level properties"
2680   },
2681   {
2682     -1,                                 -1,
2683     GADGET_ID_LEVELINFO_LEVELSET,       GADGET_ID_LEVELINFO_LEVEL,
2684     8,                                  "Levelset",
2685     NULL, NULL, NULL,                   "Update this or create new level set"
2686   },
2687   {
2688     -1,                                 -1,
2689     GADGET_ID_LEVELINFO_EDITOR,         GADGET_ID_LEVELINFO_LEVELSET,
2690     8,                                  "Editor",
2691     NULL, NULL, NULL,                   "Configure editor properties"
2692   },
2693
2694   /* ---------- element settings (tabs) ------------------------------------ */
2695
2696   {
2697     ED_ELEMENT_TABS_XPOS(0),            ED_ELEMENT_TABS_YPOS(0),
2698     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
2699     8,                                  "Info",
2700     NULL, NULL, NULL,                   "Show information about element"
2701   },
2702   {
2703     -1,                                 -1,
2704     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_PROPERTIES_INFO,
2705     8,                                  "Config",
2706     NULL, NULL, NULL,                   "Configure element properties"
2707   },
2708   {
2709     -1,                                 -1,
2710     GADGET_ID_PROPERTIES_CONFIG_1,      GADGET_ID_PROPERTIES_INFO,
2711     8,                                  "Config 1",
2712     NULL, NULL, NULL,                   "Configure element properties, part 1"
2713   },
2714   {
2715     -1,                                 -1,
2716     GADGET_ID_PROPERTIES_CONFIG_2,      GADGET_ID_PROPERTIES_CONFIG_1,
2717     8,                                  "Config 2",
2718     NULL, NULL, NULL,                   "Configure element properties, part 2"
2719   },
2720   {
2721     -1,                                 -1,
2722     GADGET_ID_PROPERTIES_CHANGE,        GADGET_ID_PROPERTIES_CONFIG_2,
2723     8,                                  "Change",
2724     NULL, NULL, NULL,                   "Configure custom element change pages"
2725   },
2726
2727   /* ---------- level and editor settings (buttons) ------------------------ */
2728
2729   {
2730     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(9),
2731     GADGET_ID_SAVE_LEVELSET,            GADGET_ID_LEVELSET_SAVE_MODE,
2732     -1,                                 "Save",
2733     NULL, NULL, NULL,                   "Update or create level set"
2734   },
2735   {
2736     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
2737     GADGET_ID_SAVE_AS_TEMPLATE_2,       GADGET_ID_NONE,
2738     -1,                                 "Save",
2739     NULL, NULL,                         "this level as level template",
2740     "Save current settings as new template"
2741   },
2742
2743   /* ---------- element settings (buttons) --------------------------------- */
2744
2745   {
2746     -1,                                 -1,
2747     GADGET_ID_SAVE_AS_TEMPLATE_1,       GADGET_ID_CUSTOM_USE_TEMPLATE_1,
2748     -1,                                 "Save",
2749     NULL, " ",                          "As Template",
2750     "Save current settings as new template"
2751   },
2752   {
2753     -1,                                 -1,
2754     GADGET_ID_ADD_CHANGE_PAGE,          GADGET_ID_PASTE_CHANGE_PAGE,
2755     -1,                                 "New",
2756     NULL, NULL, NULL,                   "Add new change page"
2757   },
2758   {
2759     -1,                                 -1,
2760     GADGET_ID_DEL_CHANGE_PAGE,          GADGET_ID_ADD_CHANGE_PAGE,
2761     -1,                                 "Delete",
2762     NULL, NULL, NULL,                   "Delete current change page"
2763   },
2764 };
2765
2766 static struct
2767 {
2768   int graphic;
2769   int x, y;
2770   int gadget_id;
2771   int gadget_id_align;
2772   char *text_left, *text_right, *infotext;
2773 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
2774 {
2775   {
2776     IMG_EDITOR_COUNTER_DOWN,
2777     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
2778     GADGET_ID_PREV_CHANGE_PAGE,         GADGET_ID_NONE,
2779     NULL, NULL,                         "select previous change page"
2780   },
2781   {
2782     IMG_EDITOR_COUNTER_UP,
2783     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2784     GADGET_ID_NEXT_CHANGE_PAGE,         GADGET_ID_SELECT_CHANGE_PAGE,
2785     NULL, "change page",                "select next change page"
2786   },
2787   {
2788     IMG_GFX_EDITOR_BUTTON_CP_COPY,
2789     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2790     GADGET_ID_COPY_CHANGE_PAGE,         GADGET_ID_NEXT_CHANGE_PAGE,
2791     " ", NULL,                          "copy settings from this change page"
2792   },
2793   {
2794     IMG_GFX_EDITOR_BUTTON_CP_PASTE,
2795     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2796     GADGET_ID_PASTE_CHANGE_PAGE,        GADGET_ID_COPY_CHANGE_PAGE,
2797     NULL, NULL,                         "paste settings to this change page"
2798   },
2799 };
2800
2801 static struct
2802 {
2803   int x, y;
2804 } scrollbutton_pos[ED_NUM_SCROLLBUTTONS];
2805
2806 static struct
2807 {
2808   int graphic;
2809   int gadget_id;
2810   char *infotext;
2811 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
2812 {
2813   {
2814     IMG_EDITOR_PLAYFIELD_SCROLL_UP,
2815     GADGET_ID_SCROLL_UP,
2816     "scroll level editing area up"
2817   },
2818   {
2819     IMG_EDITOR_PLAYFIELD_SCROLL_DOWN,
2820     GADGET_ID_SCROLL_DOWN,
2821     "scroll level editing area down"
2822   },
2823   {
2824     IMG_EDITOR_PLAYFIELD_SCROLL_LEFT,
2825     GADGET_ID_SCROLL_LEFT,
2826     "scroll level editing area left"
2827   },
2828   {
2829     IMG_EDITOR_PLAYFIELD_SCROLL_RIGHT,
2830     GADGET_ID_SCROLL_RIGHT,
2831     "scroll level editing area right"
2832   },
2833   {
2834     IMG_EDITOR_PALETTE_SCROLL_UP,
2835     GADGET_ID_SCROLL_LIST_UP,
2836     "scroll element list up ('Page Up')"
2837   },
2838   {
2839     IMG_EDITOR_PALETTE_SCROLL_DOWN,
2840     GADGET_ID_SCROLL_LIST_DOWN,
2841     "scroll element list down ('Page Down')"
2842   },
2843 };
2844
2845 static struct
2846 {
2847   int x, y;
2848   int width, height;
2849   int wheel_x, wheel_y;
2850   int wheel_width, wheel_height;
2851 } scrollbar_pos[ED_NUM_SCROLLBARS];
2852
2853 static struct
2854 {
2855   int graphic;
2856   int type;
2857   int gadget_id;
2858   char *infotext;
2859 } scrollbar_info[ED_NUM_SCROLLBARS] =
2860 {
2861   {
2862     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
2863     GD_TYPE_SCROLLBAR_HORIZONTAL,
2864     GADGET_ID_SCROLL_HORIZONTAL,
2865     "scroll level editing area horizontally"
2866   },
2867   {
2868     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
2869     GD_TYPE_SCROLLBAR_VERTICAL,
2870     GADGET_ID_SCROLL_VERTICAL,
2871     "scroll level editing area vertically"
2872   },
2873   {
2874     IMG_EDITOR_PALETTE_SCROLLBAR,
2875     GD_TYPE_SCROLLBAR_VERTICAL,
2876     GADGET_ID_SCROLL_LIST_VERTICAL,
2877     "scroll element list vertically"
2878   }
2879 };
2880
2881
2882 static struct
2883 {
2884   int x, y;
2885   int gadget_id;
2886   int gadget_id_align;
2887   int radio_button_nr;
2888   int *value;
2889   int checked_value;
2890   char *text_left, *text_right, *infotext;
2891 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
2892 {
2893   {
2894     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
2895     GADGET_ID_RANDOM_PERCENTAGE,        GADGET_ID_LEVEL_RANDOM_UP,
2896     RADIO_NR_RANDOM_ELEMENTS,
2897     &random_placement_method,           RANDOM_USE_PERCENTAGE,
2898     " ", "percentage",                  "use percentage for random elements"
2899   },
2900   {
2901     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
2902     GADGET_ID_RANDOM_QUANTITY,          GADGET_ID_RANDOM_PERCENTAGE,
2903     RADIO_NR_RANDOM_ELEMENTS,
2904     &random_placement_method,           RANDOM_USE_QUANTITY,
2905     " ", "quantity",                    "use quantity for random elements"
2906   }
2907 };
2908
2909 static struct
2910 {
2911   int x, y;
2912   int gadget_id;
2913   int gadget_id_align;
2914   boolean *value;
2915   char *text_above, *text_left, *text_right, *infotext;
2916 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
2917 {
2918   /* ---------- level and editor settings ---------------------------------- */
2919
2920   {
2921     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
2922     GADGET_ID_AUTO_COUNT_GEMS,          GADGET_ID_NONE,
2923     &level.auto_count_gems,
2924     NULL, NULL,
2925     "automatically count gems needed",  "set counter to number of gems"
2926   },
2927   {
2928     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
2929     GADGET_ID_RANDOM_RESTRICTED,        GADGET_ID_NONE,
2930     &random_placement_background_restricted,
2931     NULL, NULL,
2932     "restrict random placement to:",    "set random placement restriction"
2933   },
2934   {
2935     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
2936     GADGET_ID_CUSTOM_USE_TEMPLATE_3,    GADGET_ID_NONE,
2937     &setup.editor.use_template_for_new_levels,
2938     "Template for new levels and CE/GE:", NULL,
2939     "use template for new levels",      "use template for level properties"
2940   },
2941   {
2942     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
2943     GADGET_ID_CUSTOM_USE_TEMPLATE_2,    GADGET_ID_NONE,
2944     &level.use_custom_template,
2945     NULL, NULL,
2946     "use template for custom elements", "use template for custom properties"
2947   },
2948
2949   /* ---------- element settings: configure (various elements) ------------- */
2950
2951   {
2952     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2953     GADGET_ID_STICK_ELEMENT,            GADGET_ID_NONE,
2954     &stick_element_properties_window,
2955     NULL, NULL,
2956     "stick this screen to edit content","stick this screen to edit content"
2957   },
2958   {
2959     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2960     GADGET_ID_EM_SLIPPERY_GEMS,         GADGET_ID_NONE,
2961     &level.em_slippery_gems,
2962     NULL, NULL,
2963     "slip down from certain flat walls","use EM/DC style slipping behaviour"
2964   },
2965   {
2966     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2967     GADGET_ID_EM_EXPLODES_BY_FIRE,      GADGET_ID_NONE,
2968     &level.em_explodes_by_fire,
2969     NULL, NULL,
2970     "explodes with chain reaction",     "use R'n'D style explosion behaviour"
2971   },
2972   {
2973     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2974     GADGET_ID_USE_SPRING_BUG,           GADGET_ID_NONE,
2975     &level.use_spring_bug,
2976     NULL, NULL,
2977     "use spring pushing bug",           "use odd spring pushing behaviour"
2978   },
2979   {
2980     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2981     GADGET_ID_USE_TIME_ORB_BUG,         GADGET_ID_NONE,
2982     &level.use_time_orb_bug,
2983     NULL, NULL,
2984     "use time orb bug",                 "use odd time orb behaviour"
2985   },
2986   {
2987     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2988     GADGET_ID_RANDOM_BALL_CONTENT,      GADGET_ID_NONE,
2989     &level.ball_random,
2990     NULL, NULL,
2991     "create single random element",     "only create one element from content"
2992   },
2993   {
2994     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2995     GADGET_ID_INITIAL_BALL_STATE,       GADGET_ID_NONE,
2996     &level.ball_state_initial,
2997     NULL, NULL,
2998     "magic ball initially activated",   "activate magic ball after level start"
2999   },
3000   {
3001     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3002     GADGET_ID_GROW_INTO_DIGGABLE,       GADGET_ID_NONE,
3003     &level.grow_into_diggable,
3004     NULL, NULL,
3005     "can grow into anything diggable",  "grow into more than just sand"
3006   },
3007   {
3008     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3009     GADGET_ID_AUTO_EXIT_SOKOBAN,        GADGET_ID_NONE,
3010     &level.auto_exit_sokoban,
3011     NULL, NULL,
3012     "exit level if all fields solved",  "automatically finish Sokoban levels"
3013   },
3014   {
3015     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3016     GADGET_ID_CONTINUOUS_SNAPPING,      GADGET_ID_NONE,
3017     &level.continuous_snapping,
3018     NULL, NULL,
3019     "continuous snapping",              "use snapping without releasing key"
3020   },
3021   {
3022     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3023     GADGET_ID_BLOCK_SNAP_FIELD,         GADGET_ID_NONE,
3024     &level.block_snap_field,
3025     NULL, NULL,
3026     "block snapped field when snapping", "use snapping delay to show animation"
3027   },
3028   {
3029     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3030     GADGET_ID_BLOCK_LAST_FIELD,         GADGET_ID_NONE,
3031     &level.block_last_field,
3032     NULL, NULL,
3033     "block last field when moving",     "player blocks last field when moving"
3034   },
3035   {
3036     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3037     GADGET_ID_SP_BLOCK_LAST_FIELD,      GADGET_ID_NONE,
3038     &level.sp_block_last_field,
3039     NULL, NULL,
3040     "block last field when moving",     "player blocks last field when moving"
3041   },
3042   {
3043     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3044     GADGET_ID_INSTANT_RELOCATION,       GADGET_ID_NONE,
3045     &level.instant_relocation,
3046     NULL, NULL,
3047     "no scrolling when relocating",     "player gets relocated without delay"
3048   },
3049   {
3050     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3051     GADGET_ID_SHIFTED_RELOCATION,       GADGET_ID_NONE,
3052     &level.shifted_relocation,
3053     NULL, NULL,
3054     "no centering when relocating",     "level not centered after relocation"
3055   },
3056   {
3057     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3058     GADGET_ID_LAZY_RELOCATION,          GADGET_ID_NONE,
3059     &level.lazy_relocation,
3060     NULL, NULL,
3061     "only redraw off-screen relocation","no redraw if relocation target visible"
3062   },
3063   {
3064     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3065     GADGET_ID_USE_START_ELEMENT,        GADGET_ID_NONE,
3066     &level.use_start_element[0],
3067     NULL, NULL,
3068     "use level start element:",        "start level at this element's position"
3069   },
3070   {
3071     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3072     GADGET_ID_USE_ARTWORK_ELEMENT,      GADGET_ID_NONE,
3073     &level.use_artwork_element[0],
3074     NULL, NULL,
3075     "use artwork from element:",        "use player artwork from other element"
3076   },
3077   {
3078     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
3079     GADGET_ID_USE_EXPLOSION_ELEMENT,    GADGET_ID_NONE,
3080     &level.use_explosion_element[0],
3081     NULL, NULL,
3082     "use explosion from element:",      "use explosion properties from element"
3083   },
3084   {
3085     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3086     GADGET_ID_INITIAL_GRAVITY,          GADGET_ID_NONE,
3087     &level.initial_player_gravity[0],
3088     NULL, NULL,
3089     "use initial gravity",              "set initial player gravity"
3090   },
3091   {
3092     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3093     GADGET_ID_USE_INITIAL_INVENTORY,    GADGET_ID_NONE,
3094     &level.use_initial_inventory[0],
3095     NULL, NULL,
3096     "use initial inventory:",           "use collected elements on level start"
3097   },
3098   {
3099     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
3100     GADGET_ID_CAN_PASS_TO_WALKABLE,     GADGET_ID_NONE,
3101     &level.can_pass_to_walkable,
3102     NULL, NULL,
3103     "can pass to walkable element",     "player can pass to empty or walkable"
3104   },
3105   {
3106     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3107     GADGET_ID_CAN_FALL_INTO_ACID,       GADGET_ID_NONE,
3108     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3109     NULL, NULL,
3110     "can fall into acid (with gravity)","player can fall into acid pool"
3111   },
3112   {
3113     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3114     GADGET_ID_CAN_MOVE_INTO_ACID,       GADGET_ID_NONE,
3115     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3116     NULL, NULL,
3117     "can move into acid",               "element can move into acid pool"
3118   },
3119   {
3120     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3121     GADGET_ID_DONT_COLLIDE_WITH,        GADGET_ID_NONE,
3122     &custom_element_properties[EP_DONT_COLLIDE_WITH],
3123     NULL, NULL,
3124     "deadly when colliding with",       "element is deadly when hitting player"
3125   },
3126   {
3127     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3128     GADGET_ID_ENVELOPE_AUTOWRAP,        GADGET_ID_NONE,
3129     &level.envelope[0].autowrap,
3130     NULL, NULL,
3131     "auto-wrap",                        "automatically wrap envelope text"
3132   },
3133   {
3134     -1,                                 ED_ELEMENT_SETTINGS_YPOS(1),
3135     GADGET_ID_ENVELOPE_CENTERED,        GADGET_ID_ENVELOPE_AUTOWRAP,
3136     &level.envelope[0].centered,
3137     NULL, " ",
3138     "centered",                         "automatically center envelope text"
3139   },
3140   {
3141     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3142     GADGET_ID_MM_LASER_RED,             GADGET_ID_NONE,
3143     &level.mm_laser_red,
3144     "choose color components for laser:", NULL,
3145     "red",                              "use red color components in laser"
3146   },
3147   {
3148     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3149     GADGET_ID_MM_LASER_GREEN,           GADGET_ID_NONE,
3150     &level.mm_laser_green,
3151     NULL, NULL,
3152     "green",                            "use green color components in laser"
3153   },
3154   {
3155     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3156     GADGET_ID_MM_LASER_BLUE,            GADGET_ID_NONE,
3157     &level.mm_laser_blue,
3158     NULL, NULL,
3159     "blue",                             "use blue color components in laser"
3160   },
3161   {
3162     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3163     GADGET_ID_DF_LASER_RED,             GADGET_ID_NONE,
3164     &level.df_laser_red,
3165     "choose color components for laser:", NULL,
3166     "red",                              "use red color components in laser"
3167   },
3168   {
3169     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3170     GADGET_ID_DF_LASER_GREEN,           GADGET_ID_NONE,
3171     &level.df_laser_green,
3172     NULL, NULL,
3173     "green",                            "use green color components in laser"
3174   },
3175   {
3176     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3177     GADGET_ID_DF_LASER_BLUE,            GADGET_ID_NONE,
3178     &level.df_laser_blue,
3179     NULL, NULL,
3180     "blue",                             "use blue color components in laser"
3181   },
3182
3183   /* ---------- element settings: configure 1 (custom elements) ----------- */
3184
3185   {
3186     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3187     GADGET_ID_CUSTOM_USE_GRAPHIC,       GADGET_ID_NONE,
3188     &custom_element.use_gfx_element,
3189     NULL, NULL,
3190     "use graphic of element:",          "use existing element graphic"
3191   },
3192   {
3193     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3194     GADGET_ID_CUSTOM_USE_TEMPLATE_1,    GADGET_ID_NONE,
3195     &level.use_custom_template,
3196     NULL, NULL,
3197     "use template",                     "use template for custom properties"
3198   },
3199   {
3200     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3201     GADGET_ID_CUSTOM_ACCESSIBLE,        GADGET_ID_NONE,
3202     &custom_element_properties[EP_ACCESSIBLE],
3203     NULL, NULL,
3204     NULL,                               "player can walk to or pass this field"
3205   },
3206   {
3207     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3208     GADGET_ID_CUSTOM_GRAV_REACHABLE,    GADGET_ID_NONE,
3209     &custom_element_properties[EP_GRAVITY_REACHABLE],
3210     NULL, NULL,
3211     "reachable despite gravity",        "player can walk/dig despite gravity"
3212   },
3213   {
3214     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3215     GADGET_ID_CUSTOM_USE_LAST_VALUE,    GADGET_ID_NONE,
3216     &custom_element.use_last_ce_value,
3217     NULL, NULL,
3218     "use last CE value after change",   "use last CE value after change"
3219   },
3220   {
3221     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3222     GADGET_ID_CUSTOM_WALK_TO_OBJECT,    GADGET_ID_NONE,
3223     &custom_element_properties[EP_WALK_TO_OBJECT],
3224     NULL, NULL,
3225     NULL,                               "player can dig/collect/push element"
3226   },
3227   {
3228     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3229     GADGET_ID_CUSTOM_INDESTRUCTIBLE,    GADGET_ID_NONE,
3230     &custom_element_properties[EP_INDESTRUCTIBLE],
3231     NULL, NULL,
3232     "indestructible",                   "element is indestructible"
3233   },
3234
3235   /* ---------- element settings: configure 2 (custom elements) ----------- */
3236
3237   {
3238     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3239     GADGET_ID_CUSTOM_CAN_MOVE,          GADGET_ID_NONE,
3240     &custom_element_properties[EP_CAN_MOVE],
3241     NULL, NULL,
3242     NULL,                               "element can move with some pattern"
3243   },
3244   {
3245     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
3246     GADGET_ID_CUSTOM_CAN_FALL,          GADGET_ID_NONE,
3247     &custom_element_properties[EP_CAN_FALL],
3248     NULL, NULL,
3249     "can fall",                         "element can fall down"
3250   },
3251   {
3252     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
3253     GADGET_ID_CUSTOM_CAN_SMASH,         GADGET_ID_CUSTOM_CAN_FALL,
3254     &custom_element_properties[EP_CAN_SMASH],
3255     NULL, " ",
3256     NULL,                               "element can smash other elements"
3257   },
3258   {
3259     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3260     GADGET_ID_CUSTOM_SLIPPERY,          GADGET_ID_NONE,
3261     &custom_element_properties[EP_SLIPPERY],
3262     NULL, NULL,
3263     NULL,                               "other elements can fall down from it"
3264   },
3265   {
3266     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3267     GADGET_ID_CUSTOM_DEADLY,            GADGET_ID_NONE,
3268     &custom_element_properties[EP_DEADLY],
3269     NULL, NULL,
3270     NULL,                               "element can kill the player"
3271   },
3272   {
3273     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3274     GADGET_ID_CUSTOM_CAN_EXPLODE,       GADGET_ID_NONE,
3275     &custom_element_properties[EP_CAN_EXPLODE],
3276     NULL, NULL,
3277     NULL,                               "element can explode"
3278   },
3279   {
3280     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(11),
3281     GADGET_ID_CUSTOM_EXPLODE_FIRE,      GADGET_ID_NONE,
3282     &custom_element_properties[EP_EXPLODES_BY_FIRE],
3283     NULL, NULL,
3284     "by fire",                          "element can explode by fire/explosion"
3285   },
3286   {
3287     -1,                                 ED_ELEMENT_SETTINGS_YPOS(11),
3288     GADGET_ID_CUSTOM_EXPLODE_SMASH,     GADGET_ID_CUSTOM_EXPLODE_FIRE,
3289     &custom_element_properties[EP_EXPLODES_SMASHED],
3290     NULL, " ",
3291     "smashed",                          "element can explode when smashed"
3292   },
3293   {
3294     -1,                                 ED_ELEMENT_SETTINGS_YPOS(11),
3295     GADGET_ID_CUSTOM_EXPLODE_IMPACT,    GADGET_ID_CUSTOM_EXPLODE_SMASH,
3296     &custom_element_properties[EP_EXPLODES_IMPACT],
3297     NULL, " ",
3298     "impact",                           "element can explode on impact"
3299   },
3300
3301   /* ---------- element settings: advanced (custom elements) --------------- */
3302
3303   {
3304     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3305     GADGET_ID_CUSTOM_CAN_CHANGE,        GADGET_ID_NONE,
3306     &custom_element_change.can_change,
3307     NULL, NULL,
3308     "element changes to:",              "change element on specified condition"
3309   },
3310   {
3311     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
3312     GADGET_ID_CHANGE_DELAY,             GADGET_ID_NONE,
3313     &custom_element_change_events[CE_DELAY],
3314     NULL, NULL,
3315     NULL,                               "element changes after delay"
3316   },
3317   {
3318     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
3319     GADGET_ID_CHANGE_BY_DIRECT_ACT,     GADGET_ID_NONE,
3320     &custom_element_change_events[CE_BY_DIRECT_ACTION],
3321     NULL, NULL,
3322     NULL,                               "element changes by direct action"
3323   },
3324   {
3325     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
3326     GADGET_ID_CHANGE_BY_OTHER_ACT,      GADGET_ID_NONE,
3327     &custom_element_change_events[CE_BY_OTHER_ACTION],
3328     NULL, NULL,
3329     NULL,                               "element changes by other element"
3330   },
3331   {
3332     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
3333     GADGET_ID_CHANGE_USE_EXPLOSION,     GADGET_ID_NONE,
3334     &custom_element_change.explode,
3335     NULL, NULL,
3336     "explode instead of change",        "element explodes instead of change"
3337   },
3338   {
3339     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
3340     GADGET_ID_CHANGE_USE_CONTENT,       GADGET_ID_NONE,
3341     &custom_element_change.use_target_content,
3342     NULL, NULL,
3343     "use extended change target:",      "element changes to more elements"
3344   },
3345   {
3346     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(11),
3347     GADGET_ID_CHANGE_ONLY_COMPLETE,     GADGET_ID_NONE,
3348     &custom_element_change.only_if_complete,
3349     NULL, NULL,
3350     "replace all or nothing",           "only replace when all can be changed"
3351   },
3352   {
3353     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(12),
3354     GADGET_ID_CHANGE_USE_RANDOM,        GADGET_ID_NONE,
3355     &custom_element_change.use_random_replace,
3356     NULL, NULL,
3357     NULL,                               "use percentage for random replace"
3358   },
3359   {
3360     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3361     GADGET_ID_CHANGE_HAS_ACTION,        GADGET_ID_NONE,
3362     &custom_element_change.has_action,
3363     NULL, NULL,
3364     NULL,                               "execute action on specified condition"
3365   },
3366 };
3367
3368 static struct
3369 {
3370   int x, y;
3371   int xoffset, yoffset;
3372   int gadget_id;
3373   int gadget_id_align;
3374   int *value;
3375   int area_xsize, area_ysize;
3376   char *text_left, *text_right, *text_below, *infotext;
3377 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
3378 {
3379   /* ---------- level playfield content ------------------------------------ */
3380
3381   {
3382     0,                                  0,
3383     0,                                  0,
3384     GADGET_ID_DRAWING_LEVEL,            GADGET_ID_NONE,
3385     NULL,
3386     -1, -1,     /* these values are not constant, but can change at runtime */
3387     NULL, NULL, NULL,                   NULL
3388   },
3389
3390   /* ---------- yam yam content -------------------------------------------- */
3391
3392   {
3393     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3394     ED_AREA_YAMYAM_CONTENT_XOFF(0),     ED_AREA_YAMYAM_CONTENT_YOFF(0),
3395     GADGET_ID_YAMYAM_CONTENT_0,         GADGET_ID_NONE,
3396     &level.yamyam_content[0].e[0][0],   3, 3,
3397     NULL, NULL, "1",                    NULL
3398   },
3399   {
3400     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3401     ED_AREA_YAMYAM_CONTENT_XOFF(1),     ED_AREA_YAMYAM_CONTENT_YOFF(1),
3402     GADGET_ID_YAMYAM_CONTENT_1,         GADGET_ID_NONE,
3403     &level.yamyam_content[1].e[0][0],   3, 3,
3404     NULL, NULL, "2",                    NULL
3405   },
3406   {
3407     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3408     ED_AREA_YAMYAM_CONTENT_XOFF(2),     ED_AREA_YAMYAM_CONTENT_YOFF(2),
3409     GADGET_ID_YAMYAM_CONTENT_2,         GADGET_ID_NONE,
3410     &level.yamyam_content[2].e[0][0],   3, 3,
3411     NULL, NULL, "3",                    NULL
3412   },
3413   {
3414     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3415     ED_AREA_YAMYAM_CONTENT_XOFF(3),     ED_AREA_YAMYAM_CONTENT_YOFF(3),
3416     GADGET_ID_YAMYAM_CONTENT_3,         GADGET_ID_NONE,
3417     &level.yamyam_content[3].e[0][0],   3, 3,
3418     NULL, NULL, "4",                    NULL
3419   },
3420   {
3421     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3422     ED_AREA_YAMYAM_CONTENT_XOFF(4),     ED_AREA_YAMYAM_CONTENT_YOFF(4),
3423     GADGET_ID_YAMYAM_CONTENT_4,         GADGET_ID_NONE,
3424     &level.yamyam_content[4].e[0][0],   3, 3,
3425     NULL, NULL, "5",                    NULL
3426   },
3427   {
3428     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3429     ED_AREA_YAMYAM_CONTENT_XOFF(5),     ED_AREA_YAMYAM_CONTENT_YOFF(5),
3430     GADGET_ID_YAMYAM_CONTENT_5,         GADGET_ID_NONE,
3431     &level.yamyam_content[5].e[0][0],   3, 3,
3432     NULL, NULL, "6",                    NULL
3433   },
3434   {
3435     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3436     ED_AREA_YAMYAM_CONTENT_XOFF(6),     ED_AREA_YAMYAM_CONTENT_YOFF(6),
3437     GADGET_ID_YAMYAM_CONTENT_6,         GADGET_ID_NONE,
3438     &level.yamyam_content[6].e[0][0],   3, 3,
3439     NULL, NULL, "7",                    NULL
3440   },
3441   {
3442     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3443     ED_AREA_YAMYAM_CONTENT_XOFF(7),     ED_AREA_YAMYAM_CONTENT_YOFF(7),
3444     GADGET_ID_YAMYAM_CONTENT_7,         GADGET_ID_NONE,
3445     &level.yamyam_content[7].e[0][0],   3, 3,
3446     NULL, NULL, "8",                    NULL
3447   },
3448
3449   /* ---------- magic ball content ----------------------------------------- */
3450
3451   {
3452     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3453     ED_AREA_MAGIC_BALL_CONTENT_XOFF(0), ED_AREA_MAGIC_BALL_CONTENT_YOFF(0),
3454     GADGET_ID_MAGIC_BALL_CONTENT_0,     GADGET_ID_NONE,
3455     &level.ball_content[0].e[0][0],     3, 3,
3456     NULL, NULL, "1",                    NULL
3457   },
3458   {
3459     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3460     ED_AREA_MAGIC_BALL_CONTENT_XOFF(1), ED_AREA_MAGIC_BALL_CONTENT_YOFF(1),
3461     GADGET_ID_MAGIC_BALL_CONTENT_1,     GADGET_ID_NONE,
3462     &level.ball_content[1].e[0][0],     3, 3,
3463     NULL, NULL, "2",                    NULL
3464   },
3465   {
3466     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3467     ED_AREA_MAGIC_BALL_CONTENT_XOFF(2), ED_AREA_MAGIC_BALL_CONTENT_YOFF(2),
3468     GADGET_ID_MAGIC_BALL_CONTENT_2,     GADGET_ID_NONE,
3469     &level.ball_content[2].e[0][0],     3, 3,
3470     NULL, NULL, "3",                    NULL
3471   },
3472   {
3473     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3474     ED_AREA_MAGIC_BALL_CONTENT_XOFF(3), ED_AREA_MAGIC_BALL_CONTENT_YOFF(3),
3475     GADGET_ID_MAGIC_BALL_CONTENT_3,     GADGET_ID_NONE,
3476     &level.ball_content[3].e[0][0],     3, 3,
3477     NULL, NULL, "4",                    NULL
3478   },
3479   {
3480     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3481     ED_AREA_MAGIC_BALL_CONTENT_XOFF(4), ED_AREA_MAGIC_BALL_CONTENT_YOFF(4),
3482     GADGET_ID_MAGIC_BALL_CONTENT_4,     GADGET_ID_NONE,
3483     &level.ball_content[4].e[0][0],     3, 3,
3484     NULL, NULL, "5",                    NULL
3485   },
3486   {
3487     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3488     ED_AREA_MAGIC_BALL_CONTENT_XOFF(5), ED_AREA_MAGIC_BALL_CONTENT_YOFF(5),
3489     GADGET_ID_MAGIC_BALL_CONTENT_5,     GADGET_ID_NONE,
3490     &level.ball_content[5].e[0][0],     3, 3,
3491     NULL, NULL, "6",                    NULL
3492   },
3493   {
3494     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3495     ED_AREA_MAGIC_BALL_CONTENT_XOFF(6), ED_AREA_MAGIC_BALL_CONTENT_YOFF(6),
3496     GADGET_ID_MAGIC_BALL_CONTENT_6,     GADGET_ID_NONE,
3497     &level.ball_content[6].e[0][0],     3, 3,
3498     NULL, NULL, "7",                    NULL
3499   },
3500   {
3501     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3502     ED_AREA_MAGIC_BALL_CONTENT_XOFF(7), ED_AREA_MAGIC_BALL_CONTENT_YOFF(7),
3503     GADGET_ID_MAGIC_BALL_CONTENT_7,     GADGET_ID_NONE,
3504     &level.ball_content[7].e[0][0],     3, 3,
3505     NULL, NULL, "8",                    NULL
3506   },
3507
3508   /* ---------- android content -------------------------------------------- */
3509
3510   {
3511     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(5),
3512     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3513     GADGET_ID_ANDROID_CONTENT,          GADGET_ID_NONE,
3514     &level.android_clone_element[0],    MAX_ANDROID_ELEMENTS, 1,
3515     "elements:", NULL, NULL,            "elements android can clone"
3516   },
3517
3518   /* ---------- amoeba content --------------------------------------------- */
3519
3520   {
3521     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(3),
3522     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3523     GADGET_ID_AMOEBA_CONTENT,           GADGET_ID_NONE,
3524     &level.amoeba_content,              1, 1,
3525     "content:", NULL, NULL,             "amoeba content"
3526   },
3527
3528   /* ---------- level start element ---------------------------------------- */
3529
3530   {
3531     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(10),
3532     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3533     GADGET_ID_START_ELEMENT,            GADGET_ID_USE_START_ELEMENT,
3534     &level.start_element[0],            1, 1,
3535     NULL, NULL, NULL,                   "level start element"
3536   },
3537
3538   /* ---------- player artwork element ------------------------------------- */
3539
3540   {
3541     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(11),
3542     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3543     GADGET_ID_ARTWORK_ELEMENT,          GADGET_ID_USE_ARTWORK_ELEMENT,
3544     &level.artwork_element[0],          1, 1,
3545     NULL, NULL, NULL,                   "element for player artwork"
3546   },
3547
3548   /* ---------- player explosion element ----------------------------------- */
3549
3550   {
3551     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(12),
3552     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3553     GADGET_ID_EXPLOSION_ELEMENT,        GADGET_ID_USE_EXPLOSION_ELEMENT,
3554     &level.explosion_element[0],        1, 1,
3555     NULL, NULL, NULL,                   "element for player explosion"
3556   },
3557
3558   /* ---------- player initial inventory ----------------------------------- */
3559
3560   {
3561     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3562     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3563     GADGET_ID_INVENTORY_CONTENT,        GADGET_ID_USE_INITIAL_INVENTORY,
3564     &level.initial_inventory_content[0][0], MAX_INITIAL_INVENTORY_SIZE, 1,
3565     NULL, NULL, NULL,                   "content for initial inventory"
3566   },
3567
3568   /* ---------- element settings: configure 1 (custom elements) ----------- */
3569
3570   /* ---------- custom graphic --------------------------------------------- */
3571
3572   {
3573     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3574     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3575     GADGET_ID_CUSTOM_GRAPHIC,           GADGET_ID_CUSTOM_USE_GRAPHIC,
3576     &custom_element.gfx_element_initial,1, 1,
3577     NULL, NULL, NULL,                   "custom graphic element"
3578   },
3579
3580   /* ---------- element settings: configure 2 (custom elements) ----------- */
3581
3582   /* ---------- custom content (when exploding) ---------------------------- */
3583
3584   {
3585     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(10),
3586     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
3587     GADGET_ID_CUSTOM_CONTENT,           GADGET_ID_NONE, /* align three rows */
3588     &custom_element.content.e[0][0],    3, 3,
3589     "content:", NULL, NULL,             NULL
3590   },
3591
3592   /* ---------- custom enter and leave element (when moving) --------------- */
3593
3594   {
3595     ED_AREA_1X1_SETTINGS_XPOS(1),       ED_AREA_1X1_SETTINGS_YPOS(3),
3596     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3597     GADGET_ID_CUSTOM_MOVE_ENTER,        GADGET_ID_NONE,
3598     &custom_element.move_enter_element, 1, 1,
3599     "can dig:", " ", NULL,              "element that can be digged/collected"
3600   },
3601   {
3602     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(3),
3603     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3604     GADGET_ID_CUSTOM_MOVE_LEAVE,        GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
3605     &custom_element.move_leave_element, 1, 1,
3606     NULL, NULL, NULL,                   "element that will be left behind"
3607   },
3608
3609   /* ---------- element settings: advanced (custom elements) --------------- */
3610
3611   /* ---------- custom change target --------------------------------------- */
3612
3613   {
3614     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3615     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3616     GADGET_ID_CUSTOM_CHANGE_TARGET,     GADGET_ID_CUSTOM_CAN_CHANGE,
3617     &custom_element_change.target_element, 1, 1,
3618     NULL, "after/when:", NULL,          "new target element after change"
3619   },
3620
3621   /* ---------- custom change content (extended change target) ------------- */
3622
3623   {
3624     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(9),
3625     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
3626     GADGET_ID_CUSTOM_CHANGE_CONTENT,    GADGET_ID_NONE, /* align three rows */
3627     &custom_element_change.target_content.e[0][0], 3, 3,
3628     NULL, NULL, NULL,                   "new extended elements after change"
3629   },
3630
3631   /* ---------- custom change trigger (element causing change) ------------- */
3632
3633   {
3634     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(5),
3635     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3636     GADGET_ID_CUSTOM_CHANGE_TRIGGER,    GADGET_ID_CHANGE_OTHER_ACTION,
3637     &custom_element_change.initial_trigger_element, 1, 1,
3638     NULL, NULL, NULL,                   "other element triggering change"
3639   },
3640
3641   /* ---------- custom change action (element used for action) ------------- */
3642
3643   {
3644     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(13),
3645     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3646     GADGET_ID_CUSTOM_CHANGE_ACTION,     GADGET_ID_ACTION_ARG,
3647     &custom_element_change.action_element, 1, 1,
3648     NULL, NULL, NULL,                   "element used as action parameter"
3649   },
3650
3651   /* ---------- group element content -------------------------------------- */
3652
3653   {
3654     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
3655     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3656     GADGET_ID_GROUP_CONTENT,            GADGET_ID_NONE,
3657     &group_element_info.element[0],     MAX_ELEMENTS_IN_GROUP, 1,
3658     "content:", NULL, NULL,             NULL
3659   },
3660
3661   /* ---------- random background (for random painting) -------------------- */
3662
3663   {
3664     -1,                                 ED_AREA_1X1_LSETTINGS_YPOS(1),
3665     0,                                  ED_AREA_1X1_LSETTINGS_YOFF,
3666     GADGET_ID_RANDOM_BACKGROUND,        GADGET_ID_RANDOM_RESTRICTED,
3667     &random_placement_background_element, 1, 1,
3668     NULL, NULL, NULL,                   "random placement background"
3669   },
3670 };
3671
3672
3673 /*
3674   -----------------------------------------------------------------------------
3675   some internally used variables
3676   -----------------------------------------------------------------------------
3677 */
3678
3679 /* maximal size of level editor drawing area */
3680 static int MAX_ED_FIELDX, MAX_ED_FIELDY;
3681
3682 /* actual size of level editor drawing area */
3683 static int ed_fieldx, ed_fieldy;
3684
3685 /* actual position of level editor drawing area in level playfield */
3686 static int level_xpos = -1, level_ypos = -1;
3687
3688 /* actual tile size used to display playfield drawing area */
3689 static int ed_tilesize = DEFAULT_EDITOR_TILESIZE;
3690
3691 #define IN_ED_FIELD(x,y)        IN_FIELD(x, y, ed_fieldx, ed_fieldy)
3692
3693 /* drawing elements on the three mouse buttons */
3694 static int new_element1 = EL_WALL;
3695 static int new_element2 = EL_EMPTY;
3696 static int new_element3 = EL_SAND;
3697
3698 #define IS_VALID_BUTTON(button) (button >= 1 && button <= 3)
3699 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
3700                                 (button) == 2 ? new_element2 : \
3701                                 (button) == 3 ? new_element3 : EL_EMPTY)
3702
3703 #define BUTTON_TILE_SIZE(x)     ((x) >= TILESIZE ? TILESIZE : MINI_TILESIZE)
3704
3705 static int use_permanent_palette = TRUE;
3706
3707 #define PX              (use_permanent_palette ? DX : SX)
3708 #define PY              (use_permanent_palette ? DY : SY)
3709 #define PXSIZE          (use_permanent_palette ? DXSIZE : SXSIZE)
3710 #define PYSIZE          (use_permanent_palette ? DYSIZE : SYSIZE)
3711
3712 /* forward declaration for internal use */
3713 static void ModifyEditorCounterValue(int, int);
3714 static void ModifyEditorCounterLimits(int, int, int);
3715 static void ModifyEditorSelectboxValue(int, int);
3716 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
3717 static void ModifyEditorDrawingArea(int, int, int);
3718 static void ModifyEditorElementList();
3719 static void AdjustElementListScrollbar();
3720 static void RedrawDrawingElements();
3721 static void DrawDrawingWindow();
3722 static void DrawLevelInfoWindow();
3723 static void DrawPropertiesWindow();
3724 static void DrawPaletteWindow();
3725 static void UpdateCustomElementGraphicGadgets();
3726 static boolean checkPropertiesConfig(int);
3727 static void SetAutomaticNumberOfGemsNeeded();
3728 static void ClearEditorGadgetInfoText();
3729 static void CopyLevelToUndoBuffer(int);
3730 static void HandleDrawingAreas(struct GadgetInfo *);
3731 static void HandleCounterButtons(struct GadgetInfo *);
3732 static void HandleTextInputGadgets(struct GadgetInfo *);
3733 static void HandleTextAreaGadgets(struct GadgetInfo *);
3734 static void HandleSelectboxGadgets(struct GadgetInfo *);
3735 static void HandleTextbuttonGadgets(struct GadgetInfo *);
3736 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
3737 static void HandleRadiobuttons(struct GadgetInfo *);
3738 static void HandleCheckbuttons(struct GadgetInfo *);
3739 static void HandleControlButtons(struct GadgetInfo *);
3740 static void HandleDrawingAreaInfo(struct GadgetInfo *);
3741 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
3742 static boolean AskToCopyAndModifyLevelTemplate();
3743 static boolean getDrawModeHiRes();
3744
3745 static int num_editor_gadgets = 0;      /* dynamically determined */
3746
3747 static struct GadgetInfo **level_editor_gadget = NULL;
3748 static int *right_gadget_border = NULL;
3749
3750 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
3751 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
3752 static boolean draw_with_brush = FALSE;
3753 static int properties_element = 0;
3754
3755 static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3756 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3757 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3758 static int undo_buffer_position = 0;
3759 static int undo_buffer_steps = 0;
3760 static int redo_buffer_steps = 0;
3761
3762 static int edit_mode;
3763 static int edit_mode_levelinfo;
3764 static int edit_mode_properties;
3765
3766 static int element_shift = 0;
3767
3768 static int editor_el_players[] =
3769 {
3770   EL_PLAYER_1,
3771   EL_PLAYER_2,
3772   EL_PLAYER_3,
3773   EL_PLAYER_4
3774 };
3775 static int *editor_el_players_ptr = editor_el_players;
3776 static int num_editor_el_players = SIZEOF_ARRAY_INT(editor_el_players);
3777
3778 static int editor_hl_boulderdash[] =
3779 {
3780   EL_INTERNAL_CASCADE_BD_ACTIVE,
3781   EL_CHAR('B'),
3782   EL_CHAR('D'),
3783   EL_EMPTY,
3784 };
3785
3786 static int editor_el_boulderdash[] =
3787 {
3788   EL_EMPTY,
3789   EL_SAND,
3790   EL_BD_ROCK,
3791   EL_BD_DIAMOND,
3792
3793   EL_STEELWALL,
3794   EL_BD_WALL,
3795   EL_BD_EXPANDABLE_WALL,
3796   EL_BD_MAGIC_WALL,
3797
3798   EL_BD_AMOEBA,
3799   EL_BD_BUTTERFLY_UP,
3800   EL_BD_FIREFLY_UP,
3801   EL_EXIT_CLOSED,
3802
3803   EL_BD_BUTTERFLY_LEFT,
3804   EL_BD_FIREFLY_LEFT,
3805   EL_BD_BUTTERFLY_RIGHT,
3806   EL_BD_FIREFLY_RIGHT,
3807
3808   EL_EMPTY,
3809   EL_BD_BUTTERFLY_DOWN,
3810   EL_BD_FIREFLY_DOWN,
3811   EL_EXIT_OPEN,
3812 };
3813 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
3814 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
3815 static int num_editor_hl_boulderdash = SIZEOF_ARRAY_INT(editor_hl_boulderdash);
3816 static int num_editor_el_boulderdash = SIZEOF_ARRAY_INT(editor_el_boulderdash);
3817
3818 static int editor_hl_emerald_mine[] =
3819 {
3820   EL_INTERNAL_CASCADE_EM_ACTIVE,
3821   EL_CHAR('E'),
3822   EL_CHAR('M'),
3823   EL_EMPTY,
3824 };
3825
3826 static int editor_el_emerald_mine[] =
3827 {
3828   EL_SAND,
3829   EL_ROCK,
3830   EL_QUICKSAND_EMPTY,
3831   EL_QUICKSAND_FULL,
3832
3833   EL_STEELWALL,
3834   EL_WALL,
3835   EL_WALL_SLIPPERY,
3836   EL_MAGIC_WALL,
3837
3838   EL_EMERALD,
3839   EL_DIAMOND,
3840   EL_NUT,
3841   EL_BOMB,
3842
3843   EL_WALL_EMERALD,
3844   EL_WALL_DIAMOND,
3845   EL_DYNAMITE,
3846   EL_DYNAMITE_ACTIVE,
3847
3848   EL_YAMYAM,
3849   EL_BUG_UP,
3850   EL_SPACESHIP_UP,
3851   EL_ROBOT,
3852
3853   EL_BUG_LEFT,
3854   EL_SPACESHIP_LEFT,
3855   EL_BUG_RIGHT,
3856   EL_SPACESHIP_RIGHT,
3857
3858   EL_ROBOT_WHEEL,
3859   EL_BUG_DOWN,
3860   EL_SPACESHIP_DOWN,
3861   EL_INVISIBLE_WALL,
3862
3863   EL_ACID_POOL_TOPLEFT,
3864   EL_ACID,
3865   EL_ACID_POOL_TOPRIGHT,
3866   EL_AMOEBA_DROP,
3867
3868   EL_ACID_POOL_BOTTOMLEFT,
3869   EL_ACID_POOL_BOTTOM,
3870   EL_ACID_POOL_BOTTOMRIGHT,
3871   EL_AMOEBA_WET,
3872
3873   EL_EM_KEY_1,
3874   EL_EM_KEY_2,
3875   EL_EM_KEY_3,
3876   EL_EM_KEY_4,
3877
3878   EL_EM_GATE_1,
3879   EL_EM_GATE_2,
3880   EL_EM_GATE_3,
3881   EL_EM_GATE_4,
3882
3883   EL_EM_GATE_1_GRAY,
3884   EL_EM_GATE_2_GRAY,
3885   EL_EM_GATE_3_GRAY,
3886   EL_EM_GATE_4_GRAY,
3887
3888   EL_EM_EXIT_CLOSED,
3889   EL_EM_EXIT_OPEN,
3890   EL_EM_STEEL_EXIT_CLOSED,
3891   EL_EM_STEEL_EXIT_OPEN,
3892 };
3893 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
3894 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
3895 static int num_editor_hl_emerald_mine=SIZEOF_ARRAY_INT(editor_hl_emerald_mine);
3896 static int num_editor_el_emerald_mine=SIZEOF_ARRAY_INT(editor_el_emerald_mine);
3897
3898 static int editor_hl_emerald_mine_club[] =
3899 {
3900   EL_INTERNAL_CASCADE_EMC_ACTIVE,
3901   EL_CHAR('E'),
3902   EL_CHAR('M'),
3903   EL_CHAR('C'),
3904 };
3905
3906 static int editor_el_emerald_mine_club[] =
3907 {
3908   EL_EMC_KEY_5,
3909   EL_EMC_KEY_6,
3910   EL_EMC_KEY_7,
3911   EL_EMC_KEY_8,
3912
3913   EL_EMC_GATE_5,
3914   EL_EMC_GATE_6,
3915   EL_EMC_GATE_7,
3916   EL_EMC_GATE_8,
3917
3918   EL_EMC_GATE_5_GRAY,
3919   EL_EMC_GATE_6_GRAY,
3920   EL_EMC_GATE_7_GRAY,
3921   EL_EMC_GATE_8_GRAY,
3922
3923   EL_EMC_STEELWALL_1,
3924   EL_EMC_STEELWALL_2,
3925   EL_EMC_STEELWALL_3,
3926   EL_EMC_STEELWALL_4,
3927
3928   EL_EMC_WALL_13,
3929   EL_EMC_WALL_14,
3930   EL_EMC_WALL_15,
3931   EL_EMC_WALL_16,
3932
3933   EL_EMC_WALL_SLIPPERY_1,
3934   EL_EMC_WALL_SLIPPERY_2,
3935   EL_EMC_WALL_SLIPPERY_3,
3936   EL_EMC_WALL_SLIPPERY_4,
3937
3938   EL_EMC_WALL_1,
3939   EL_EMC_WALL_2,
3940   EL_EMC_WALL_3,
3941   EL_EMC_WALL_4,
3942
3943   EL_EMC_WALL_5,
3944   EL_EMC_WALL_6,
3945   EL_EMC_WALL_7,
3946   EL_EMC_WALL_8,
3947
3948   EL_EMC_WALL_9,
3949   EL_EMC_WALL_10,
3950   EL_EMC_WALL_11,
3951   EL_EMC_WALL_12,
3952
3953   EL_EMC_GRASS,
3954   EL_EMC_FAKE_GRASS,
3955   EL_EMC_PLANT,
3956   EL_EMC_DRIPPER,
3957
3958   EL_EMC_MAGIC_BALL,
3959   EL_EMC_MAGIC_BALL_SWITCH,
3960   EL_SPRING,
3961   EL_EMC_SPRING_BUMPER,
3962
3963   EL_EMC_LENSES,
3964   EL_EMC_MAGNIFIER,
3965   EL_EM_DYNAMITE,
3966   EL_EM_DYNAMITE_ACTIVE,
3967
3968   EL_BALLOON,
3969   EL_YAMYAM_UP,
3970   EL_BALLOON_SWITCH_UP,
3971   EL_BALLOON_SWITCH_ANY,
3972
3973   EL_YAMYAM_LEFT,
3974   EL_BALLOON_SWITCH_LEFT,
3975   EL_YAMYAM_RIGHT,
3976   EL_BALLOON_SWITCH_RIGHT,
3977
3978   EL_EMC_ANDROID,
3979   EL_YAMYAM_DOWN,
3980   EL_BALLOON_SWITCH_DOWN,
3981   EL_BALLOON_SWITCH_NONE,
3982 };
3983 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
3984 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
3985 static int num_editor_hl_emerald_mine_club=SIZEOF_ARRAY_INT(editor_hl_emerald_mine_club);
3986 static int num_editor_el_emerald_mine_club=SIZEOF_ARRAY_INT(editor_el_emerald_mine_club);
3987
3988 static int editor_hl_rnd[] =
3989 {
3990   EL_INTERNAL_CASCADE_RND_ACTIVE,
3991   EL_CHAR('R'),
3992   EL_CHAR('N'),
3993   EL_CHAR('D'),
3994 };
3995
3996 static int editor_el_rnd[] =
3997 {
3998   EL_KEY_1,
3999   EL_KEY_2,
4000   EL_KEY_3,
4001   EL_KEY_4,
4002
4003   EL_GATE_1,
4004   EL_GATE_2,
4005   EL_GATE_3,
4006   EL_GATE_4,
4007
4008   EL_GATE_1_GRAY,
4009   EL_GATE_2_GRAY,
4010   EL_GATE_3_GRAY,
4011   EL_GATE_4_GRAY,
4012
4013   EL_ARROW_LEFT,
4014   EL_ARROW_RIGHT,
4015   EL_ARROW_UP,
4016   EL_ARROW_DOWN,
4017
4018   EL_AMOEBA_DEAD,
4019   EL_AMOEBA_DRY,
4020   EL_AMOEBA_FULL,
4021   EL_GAME_OF_LIFE,
4022
4023   EL_EMERALD_YELLOW,
4024   EL_EMERALD_RED,
4025   EL_EMERALD_PURPLE,
4026   EL_BIOMAZE,
4027
4028   EL_WALL_EMERALD_YELLOW,
4029   EL_WALL_EMERALD_RED,
4030   EL_WALL_EMERALD_PURPLE,
4031   EL_WALL_BD_DIAMOND,
4032
4033   EL_SPEED_PILL,
4034   EL_PACMAN_UP,
4035   EL_TIME_ORB_FULL,
4036   EL_TIME_ORB_EMPTY,
4037
4038   EL_PACMAN_LEFT,
4039   EL_DARK_YAMYAM,
4040   EL_PACMAN_RIGHT,
4041   EL_EMPTY,
4042
4043   EL_BLACK_ORB,
4044   EL_PACMAN_DOWN,
4045   EL_LAMP,
4046   EL_LAMP_ACTIVE,
4047
4048   EL_DYNABOMB_INCREASE_NUMBER,
4049   EL_DYNABOMB_INCREASE_SIZE,
4050   EL_DYNABOMB_INCREASE_POWER,
4051   EL_STONEBLOCK,
4052
4053   EL_MOLE,
4054   EL_PENGUIN,
4055   EL_PIG,
4056   EL_DRAGON,
4057
4058   EL_BUG,
4059   EL_MOLE_UP,
4060   EL_BD_BUTTERFLY,
4061   EL_BD_FIREFLY,
4062
4063   EL_MOLE_LEFT,
4064   EL_SATELLITE,
4065   EL_MOLE_RIGHT,
4066   EL_PACMAN,
4067
4068   EL_SPACESHIP,
4069   EL_MOLE_DOWN,
4070   EL_INVISIBLE_STEELWALL,
4071   EL_INVISIBLE_WALL,
4072
4073   EL_EXPANDABLE_WALL,
4074   EL_EXPANDABLE_WALL_HORIZONTAL,
4075   EL_EXPANDABLE_WALL_VERTICAL,
4076   EL_EXPANDABLE_WALL_ANY,
4077 };
4078 static int *editor_hl_rnd_ptr = editor_hl_rnd;
4079 static int *editor_el_rnd_ptr = editor_el_rnd;
4080 static int num_editor_hl_rnd = SIZEOF_ARRAY_INT(editor_hl_rnd);
4081 static int num_editor_el_rnd = SIZEOF_ARRAY_INT(editor_el_rnd);
4082
4083 static int editor_hl_sokoban[] =
4084 {
4085   EL_INTERNAL_CASCADE_SB_ACTIVE,
4086   EL_CHAR('S'),
4087   EL_CHAR('B'),
4088   EL_EMPTY,
4089 };
4090
4091 static int editor_el_sokoban[] =
4092 {
4093   EL_SOKOBAN_OBJECT,
4094   EL_SOKOBAN_FIELD_EMPTY,
4095   EL_SOKOBAN_FIELD_FULL,
4096   EL_SOKOBAN_FIELD_PLAYER,
4097 };
4098 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
4099 static int *editor_el_sokoban_ptr = editor_el_sokoban;
4100 static int num_editor_hl_sokoban = SIZEOF_ARRAY_INT(editor_hl_sokoban);
4101 static int num_editor_el_sokoban = SIZEOF_ARRAY_INT(editor_el_sokoban);
4102
4103 static int editor_hl_supaplex[] =
4104 {
4105   EL_INTERNAL_CASCADE_SP_ACTIVE,
4106   EL_CHAR('S'),
4107   EL_CHAR('P'),
4108   EL_EMPTY,
4109 };
4110
4111 static int editor_el_supaplex[] =
4112 {
4113   EL_SP_MURPHY,
4114   EL_EMPTY,
4115   EL_SP_BASE,
4116   EL_SP_BUGGY_BASE,
4117
4118   EL_SP_INFOTRON,
4119   EL_SP_ZONK,
4120   EL_SP_SNIKSNAK,
4121   EL_SP_ELECTRON,
4122
4123   EL_SP_DISK_RED,
4124   EL_SP_DISK_ORANGE,
4125   EL_SP_DISK_YELLOW,
4126   EL_SP_TERMINAL,
4127
4128   EL_SP_EXIT_CLOSED,
4129   EL_SP_PORT_HORIZONTAL,
4130   EL_SP_PORT_VERTICAL,
4131   EL_SP_PORT_ANY,
4132
4133   EL_SP_PORT_LEFT,
4134   EL_SP_PORT_RIGHT,
4135   EL_SP_PORT_UP,
4136   EL_SP_PORT_DOWN,
4137
4138   EL_SP_GRAVITY_PORT_LEFT,
4139   EL_SP_GRAVITY_PORT_RIGHT,
4140   EL_SP_GRAVITY_PORT_UP,
4141   EL_SP_GRAVITY_PORT_DOWN,
4142
4143   EL_SP_GRAVITY_ON_PORT_LEFT,
4144   EL_SP_GRAVITY_ON_PORT_RIGHT,
4145   EL_SP_GRAVITY_ON_PORT_UP,
4146   EL_SP_GRAVITY_ON_PORT_DOWN,
4147
4148   EL_SP_GRAVITY_OFF_PORT_LEFT,
4149   EL_SP_GRAVITY_OFF_PORT_RIGHT,
4150   EL_SP_GRAVITY_OFF_PORT_UP,
4151   EL_SP_GRAVITY_OFF_PORT_DOWN,
4152
4153   EL_SP_HARDWARE_GRAY,
4154   EL_SP_HARDWARE_GREEN,
4155   EL_SP_HARDWARE_BLUE,
4156   EL_SP_HARDWARE_RED,
4157
4158   EL_SP_HARDWARE_BASE_1,
4159   EL_SP_HARDWARE_BASE_2,
4160   EL_SP_HARDWARE_BASE_3,
4161   EL_SP_HARDWARE_BASE_4,
4162
4163   EL_SP_HARDWARE_BASE_5,
4164   EL_SP_HARDWARE_BASE_6,
4165   EL_SP_HARDWARE_YELLOW,
4166   EL_SP_CHIP_TOP,
4167
4168   EL_SP_CHIP_SINGLE,
4169   EL_SP_CHIP_LEFT,
4170   EL_SP_CHIP_RIGHT,
4171   EL_SP_CHIP_BOTTOM,
4172 };
4173 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
4174 static int *editor_el_supaplex_ptr = editor_el_supaplex;
4175 static int num_editor_hl_supaplex = SIZEOF_ARRAY_INT(editor_hl_supaplex);
4176 static int num_editor_el_supaplex = SIZEOF_ARRAY_INT(editor_el_supaplex);
4177
4178 static int editor_hl_diamond_caves[] =
4179 {
4180   EL_INTERNAL_CASCADE_DC_ACTIVE,
4181   EL_CHAR('D'),
4182   EL_CHAR('C'),
4183   EL_CHAR('2'),
4184 };
4185
4186 static int editor_el_diamond_caves[] =
4187 {
4188   EL_PEARL,
4189   EL_CRYSTAL,
4190   EL_WALL_PEARL,
4191   EL_WALL_CRYSTAL,
4192
4193   EL_CONVEYOR_BELT_1_LEFT,
4194   EL_CONVEYOR_BELT_1_MIDDLE,
4195   EL_CONVEYOR_BELT_1_RIGHT,
4196   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
4197
4198   EL_CONVEYOR_BELT_2_LEFT,
4199   EL_CONVEYOR_BELT_2_MIDDLE,
4200   EL_CONVEYOR_BELT_2_RIGHT,
4201   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
4202
4203   EL_CONVEYOR_BELT_3_LEFT,
4204   EL_CONVEYOR_BELT_3_MIDDLE,
4205   EL_CONVEYOR_BELT_3_RIGHT,
4206   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
4207
4208   EL_CONVEYOR_BELT_4_LEFT,
4209   EL_CONVEYOR_BELT_4_MIDDLE,
4210   EL_CONVEYOR_BELT_4_RIGHT,
4211   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
4212
4213   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
4214   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
4215   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
4216   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
4217
4218   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
4219   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
4220   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
4221   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
4222
4223   EL_TIMEGATE_CLOSED,
4224   EL_TIMEGATE_OPEN,
4225   EL_TIMEGATE_SWITCH,
4226   EL_DC_TIMEGATE_SWITCH,
4227
4228   EL_SWITCHGATE_CLOSED,
4229   EL_SWITCHGATE_OPEN,
4230   EL_SWITCHGATE_SWITCH_UP,
4231   EL_SWITCHGATE_SWITCH_DOWN,
4232
4233   EL_LIGHT_SWITCH,
4234   EL_LIGHT_SWITCH_ACTIVE,
4235   EL_DC_SWITCHGATE_SWITCH_UP,
4236   EL_DC_SWITCHGATE_SWITCH_DOWN,
4237
4238   EL_STEEL_EXIT_CLOSED,
4239   EL_STEEL_EXIT_OPEN,
4240   EL_STEELWALL_SLIPPERY,
4241   EL_INVISIBLE_SAND,
4242
4243   EL_QUICKSAND_FAST_EMPTY,
4244   EL_QUICKSAND_FAST_FULL,
4245   EL_LANDMINE,
4246   EL_DC_LANDMINE,
4247
4248   EL_SHIELD_NORMAL,
4249   EL_SHIELD_DEADLY,
4250   EL_EXTRA_TIME,
4251   EL_DC_MAGIC_WALL,
4252
4253   EL_ENVELOPE_1,
4254   EL_ENVELOPE_2,
4255   EL_ENVELOPE_3,
4256   EL_ENVELOPE_4,
4257
4258   EL_SIGN_RADIOACTIVITY,
4259   EL_SIGN_WHEELCHAIR,
4260   EL_SIGN_PARKING,
4261   EL_SIGN_NO_ENTRY,
4262
4263   EL_SIGN_GIVE_WAY,
4264   EL_SIGN_ENTRY_FORBIDDEN,
4265   EL_SIGN_EMERGENCY_EXIT,
4266   EL_SIGN_YIN_YANG,
4267
4268 #if 0
4269   EL_SIGN_SPERMS,
4270   EL_SIGN_BULLET,
4271   EL_SIGN_HEART,
4272   EL_SIGN_CROSS,
4273
4274   EL_SIGN_FRANKIE,
4275   EL_EMPTY,
4276   EL_EMPTY,
4277   EL_EMPTY,
4278
4279   EL_SPERMS,
4280   EL_BULLET,
4281   EL_HEART,
4282   EL_CROSS,
4283
4284   EL_FRANKIE,
4285   EL_EMPTY,
4286   EL_EMPTY,
4287   EL_EMPTY,
4288 #endif
4289
4290   EL_DC_STEELWALL_2_SINGLE,
4291   EL_DC_STEELWALL_2_TOP,
4292   EL_SIGN_EXCLAMATION,
4293   EL_SIGN_STOP,
4294
4295   EL_DC_STEELWALL_2_LEFT,
4296   EL_DC_STEELWALL_2_MIDDLE,
4297   EL_DC_STEELWALL_2_HORIZONTAL,
4298   EL_DC_STEELWALL_2_RIGHT,
4299
4300   EL_DC_STEELWALL_1_TOPLEFT,
4301   EL_DC_STEELWALL_2_VERTICAL,
4302   EL_DC_STEELWALL_1_TOPRIGHT,
4303   EL_DC_GATE_WHITE,
4304
4305   EL_DC_STEELWALL_1_VERTICAL,
4306   EL_DC_STEELWALL_2_BOTTOM,
4307   EL_DC_KEY_WHITE,
4308   EL_DC_GATE_WHITE_GRAY,
4309
4310   EL_DC_STEELWALL_1_BOTTOMLEFT,
4311   EL_DC_STEELWALL_1_HORIZONTAL,
4312   EL_DC_STEELWALL_1_BOTTOMRIGHT,
4313   EL_DC_GATE_FAKE_GRAY,
4314
4315   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
4316   EL_DC_STEELWALL_1_BOTTOM,
4317   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
4318   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
4319
4320   EL_DC_STEELWALL_1_RIGHT,
4321   EL_EMPTY,
4322   EL_DC_STEELWALL_1_LEFT,
4323   EL_EXPANDABLE_STEELWALL_VERTICAL,
4324
4325   EL_DC_STEELWALL_1_TOPRIGHT_2,
4326   EL_DC_STEELWALL_1_TOP,
4327   EL_DC_STEELWALL_1_TOPLEFT_2,
4328   EL_EXPANDABLE_STEELWALL_ANY,
4329 };
4330 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
4331 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
4332 static int num_editor_hl_diamond_caves = SIZEOF_ARRAY_INT(editor_hl_diamond_caves);
4333 static int num_editor_el_diamond_caves = SIZEOF_ARRAY_INT(editor_el_diamond_caves);
4334
4335 static int editor_hl_dx_boulderdash[] =
4336 {
4337   EL_INTERNAL_CASCADE_DX_ACTIVE,
4338   EL_CHAR('D'),
4339   EL_CHAR('X'),
4340   EL_EMPTY,
4341 };
4342
4343 static int editor_el_dx_boulderdash[] =
4344 {
4345   EL_EMPTY,
4346   EL_TUBE_RIGHT_DOWN,
4347   EL_TUBE_HORIZONTAL_DOWN,
4348   EL_TUBE_LEFT_DOWN,
4349
4350   EL_TUBE_HORIZONTAL,
4351   EL_TUBE_VERTICAL_RIGHT,
4352   EL_TUBE_ANY,
4353   EL_TUBE_VERTICAL_LEFT,
4354
4355   EL_TUBE_VERTICAL,
4356   EL_TUBE_RIGHT_UP,
4357   EL_TUBE_HORIZONTAL_UP,
4358   EL_TUBE_LEFT_UP,
4359
4360   EL_TRAP,
4361   EL_DX_SUPABOMB,
4362   EL_EMPTY,
4363   EL_EMPTY
4364 };
4365 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
4366 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
4367 static int num_editor_hl_dx_boulderdash = SIZEOF_ARRAY_INT(editor_hl_dx_boulderdash);
4368 static int num_editor_el_dx_boulderdash = SIZEOF_ARRAY_INT(editor_el_dx_boulderdash);
4369
4370 static int editor_hl_mirror_magic[] =
4371 {
4372   EL_INTERNAL_CASCADE_MM_ACTIVE,
4373   EL_CHAR('M'),
4374   EL_CHAR('M'),
4375   EL_EMPTY,
4376 };
4377
4378 static int editor_el_mirror_magic[] =
4379 {
4380   EL_MM_MCDUFFIN_RIGHT,
4381   EL_MM_MCDUFFIN_UP,
4382   EL_MM_MCDUFFIN_LEFT,
4383   EL_MM_MCDUFFIN_DOWN,
4384
4385   EL_MM_MIRROR_START,
4386   EL_MM_MIRROR_FIXED_START,
4387   EL_MM_POLARISATOR_START,
4388   EL_MM_POLARISATOR_CROSS_START,
4389
4390   EL_MM_BEAMER_RED_START,
4391   EL_MM_BEAMER_YELLOW_START,
4392   EL_MM_BEAMER_GREEN_START,
4393   EL_MM_BEAMER_BLUE_START,
4394
4395   EL_MM_PRISM,
4396   EL_MM_FUSE_ACTIVE,
4397   EL_MM_PACMAN_RIGHT,
4398   EL_MM_EXIT_CLOSED,
4399
4400   EL_MM_KETTLE,
4401   EL_MM_BOMB,
4402   EL_MM_KEY,
4403   EL_MM_FUEL_FULL,
4404
4405   EL_MM_LIGHTBULB,
4406   EL_MM_LIGHTBULB_ACTIVE,
4407   EL_MM_GRAY_BALL,
4408   EL_MM_LIGHTBALL,
4409
4410   EL_MM_STEEL_WALL,
4411   EL_MM_WOODEN_WALL,
4412   EL_MM_ICE_WALL,
4413   EL_MM_AMOEBA_WALL,
4414
4415   EL_MM_STEEL_LOCK,
4416   EL_MM_WOODEN_LOCK,
4417   EL_MM_STEEL_BLOCK,
4418   EL_MM_WOODEN_BLOCK,
4419
4420   EL_MM_STEEL_GRID_FIXED_1,
4421   EL_MM_STEEL_GRID_FIXED_2,
4422   EL_MM_STEEL_GRID_FIXED_3,
4423   EL_MM_STEEL_GRID_FIXED_4,
4424
4425   EL_MM_WOODEN_GRID_FIXED_1,
4426   EL_MM_WOODEN_GRID_FIXED_2,
4427   EL_MM_WOODEN_GRID_FIXED_3,
4428   EL_MM_WOODEN_GRID_FIXED_4
4429 };
4430 static int *editor_hl_mirror_magic_ptr = editor_hl_mirror_magic;
4431 static int *editor_el_mirror_magic_ptr = editor_el_mirror_magic;
4432 static int num_editor_hl_mirror_magic = SIZEOF_ARRAY_INT(editor_hl_mirror_magic);
4433 static int num_editor_el_mirror_magic = SIZEOF_ARRAY_INT(editor_el_mirror_magic);
4434
4435 static int editor_hl_deflektor[] =
4436 {
4437   EL_INTERNAL_CASCADE_DF_ACTIVE,
4438   EL_CHAR('D'),
4439   EL_CHAR('F'),
4440   EL_EMPTY,
4441 };
4442
4443 static int editor_el_deflektor[] =
4444 {
4445   EL_DF_LASER_RIGHT,
4446   EL_DF_LASER_UP,
4447   EL_DF_LASER_LEFT,
4448   EL_DF_LASER_DOWN,
4449
4450   EL_DF_RECEIVER_RIGHT,
4451   EL_DF_RECEIVER_UP,
4452   EL_DF_RECEIVER_LEFT,
4453   EL_DF_RECEIVER_DOWN,
4454
4455   EL_DF_MIRROR_START,
4456   EL_DF_MIRROR_ROTATING_START,
4457   EL_DF_CELL,
4458   EL_DF_MINE,
4459
4460   EL_DF_FIBRE_OPTIC_RED_1,
4461   EL_DF_FIBRE_OPTIC_YELLOW_1,
4462   EL_DF_FIBRE_OPTIC_GREEN_1,
4463   EL_DF_FIBRE_OPTIC_BLUE_1,
4464
4465   EL_DF_STEEL_GRID_FIXED_START,
4466   EL_DF_STEEL_GRID_ROTATING_START,
4467   EL_DF_WOODEN_GRID_FIXED_START,
4468   EL_DF_WOODEN_GRID_ROTATING_START,
4469
4470   EL_DF_STEEL_WALL,
4471   EL_DF_WOODEN_WALL,
4472   EL_DF_REFRACTOR,
4473   EL_EMPTY
4474 };
4475 static int *editor_hl_deflektor_ptr = editor_hl_deflektor;
4476 static int *editor_el_deflektor_ptr = editor_el_deflektor;
4477 static int num_editor_hl_deflektor = SIZEOF_ARRAY_INT(editor_hl_deflektor);
4478 static int num_editor_el_deflektor = SIZEOF_ARRAY_INT(editor_el_deflektor);
4479
4480 static int editor_hl_chars[] =
4481 {
4482   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
4483   EL_CHAR('T'),
4484   EL_CHAR('X'),
4485   EL_CHAR('T'),
4486 };
4487
4488 static int editor_el_chars[] =
4489 {
4490   EL_CHAR(' '),
4491   EL_CHAR('!'),
4492   EL_CHAR('"'),
4493   EL_CHAR('#'),
4494
4495   EL_CHAR('$'),
4496   EL_CHAR('%'),
4497   EL_CHAR('&'),
4498   EL_CHAR('\''),
4499
4500   EL_CHAR('('),
4501   EL_CHAR(')'),
4502   EL_CHAR('*'),
4503   EL_CHAR('+'),
4504
4505   EL_CHAR(','),
4506   EL_CHAR('-'),
4507   EL_CHAR('.'),
4508   EL_CHAR('/'),
4509
4510   EL_CHAR('0'),
4511   EL_CHAR('1'),
4512   EL_CHAR('2'),
4513   EL_CHAR('3'),
4514
4515   EL_CHAR('4'),
4516   EL_CHAR('5'),
4517   EL_CHAR('6'),
4518   EL_CHAR('7'),
4519
4520   EL_CHAR('8'),
4521   EL_CHAR('9'),
4522   EL_CHAR(':'),
4523   EL_CHAR(';'),
4524
4525   EL_CHAR('<'),
4526   EL_CHAR('='),
4527   EL_CHAR('>'),
4528   EL_CHAR('?'),
4529
4530   EL_CHAR('@'),
4531   EL_CHAR('A'),
4532   EL_CHAR('B'),
4533   EL_CHAR('C'),
4534
4535   EL_CHAR('D'),
4536   EL_CHAR('E'),
4537   EL_CHAR('F'),
4538   EL_CHAR('G'),
4539
4540   EL_CHAR('H'),
4541   EL_CHAR('I'),
4542   EL_CHAR('J'),
4543   EL_CHAR('K'),
4544
4545   EL_CHAR('L'),
4546   EL_CHAR('M'),
4547   EL_CHAR('N'),
4548   EL_CHAR('O'),
4549
4550   EL_CHAR('P'),
4551   EL_CHAR('Q'),
4552   EL_CHAR('R'),
4553   EL_CHAR('S'),
4554
4555   EL_CHAR('T'),
4556   EL_CHAR('U'),
4557   EL_CHAR('V'),
4558   EL_CHAR('W'),
4559
4560   EL_CHAR('X'),
4561   EL_CHAR('Y'),
4562   EL_CHAR('Z'),
4563   EL_CHAR('['),
4564
4565   EL_CHAR('\\'),
4566   EL_CHAR(']'),
4567   EL_CHAR('^'),
4568   EL_CHAR('_'),
4569
4570   EL_CHAR(CHAR_BYTE_COPYRIGHT),
4571   EL_CHAR(CHAR_BYTE_UMLAUT_A),
4572   EL_CHAR(CHAR_BYTE_UMLAUT_O),
4573   EL_CHAR(CHAR_BYTE_UMLAUT_U),
4574
4575   EL_CHAR(CHAR_BYTE_DEGREE),
4576   EL_CHAR(CHAR_BYTE_REGISTERED),
4577   EL_CHAR(FONT_ASCII_CURSOR),
4578   EL_CHAR(FONT_ASCII_BUTTON),
4579
4580   EL_CHAR(FONT_ASCII_UP),
4581   EL_CHAR(FONT_ASCII_DOWN),
4582   EL_CHAR(' '),
4583   EL_CHAR(' ')
4584 };
4585 static int *editor_hl_chars_ptr = editor_hl_chars;
4586 static int *editor_el_chars_ptr = editor_el_chars;
4587 static int num_editor_hl_chars = SIZEOF_ARRAY_INT(editor_hl_chars);
4588 static int num_editor_el_chars = SIZEOF_ARRAY_INT(editor_el_chars);
4589
4590 static int editor_hl_steel_chars[] =
4591 {
4592   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
4593   EL_STEEL_CHAR('T'),
4594   EL_STEEL_CHAR('X'),
4595   EL_STEEL_CHAR('T'),
4596 };
4597
4598 static int editor_el_steel_chars[] =
4599 {
4600   EL_STEEL_CHAR(' '),
4601   EL_STEEL_CHAR('!'),
4602   EL_STEEL_CHAR('"'),
4603   EL_STEEL_CHAR('#'),
4604
4605   EL_STEEL_CHAR('$'),
4606   EL_STEEL_CHAR('%'),
4607   EL_STEEL_CHAR('&'),
4608   EL_STEEL_CHAR('\''),
4609
4610   EL_STEEL_CHAR('('),
4611   EL_STEEL_CHAR(')'),
4612   EL_STEEL_CHAR('*'),
4613   EL_STEEL_CHAR('+'),
4614
4615   EL_STEEL_CHAR(','),
4616   EL_STEEL_CHAR('-'),
4617   EL_STEEL_CHAR('.'),
4618   EL_STEEL_CHAR('/'),
4619
4620   EL_STEEL_CHAR('0'),
4621   EL_STEEL_CHAR('1'),
4622   EL_STEEL_CHAR('2'),
4623   EL_STEEL_CHAR('3'),
4624
4625   EL_STEEL_CHAR('4'),
4626   EL_STEEL_CHAR('5'),
4627   EL_STEEL_CHAR('6'),
4628   EL_STEEL_CHAR('7'),
4629
4630   EL_STEEL_CHAR('8'),
4631   EL_STEEL_CHAR('9'),
4632   EL_STEEL_CHAR(':'),
4633   EL_STEEL_CHAR(';'),
4634
4635   EL_STEEL_CHAR('<'),
4636   EL_STEEL_CHAR('='),
4637   EL_STEEL_CHAR('>'),
4638   EL_STEEL_CHAR('?'),
4639
4640   EL_STEEL_CHAR('@'),
4641   EL_STEEL_CHAR('A'),
4642   EL_STEEL_CHAR('B'),
4643   EL_STEEL_CHAR('C'),
4644
4645   EL_STEEL_CHAR('D'),
4646   EL_STEEL_CHAR('E'),
4647   EL_STEEL_CHAR('F'),
4648   EL_STEEL_CHAR('G'),
4649
4650   EL_STEEL_CHAR('H'),
4651   EL_STEEL_CHAR('I'),
4652   EL_STEEL_CHAR('J'),
4653   EL_STEEL_CHAR('K'),
4654
4655   EL_STEEL_CHAR('L'),
4656   EL_STEEL_CHAR('M'),
4657   EL_STEEL_CHAR('N'),
4658   EL_STEEL_CHAR('O'),
4659
4660   EL_STEEL_CHAR('P'),
4661   EL_STEEL_CHAR('Q'),
4662   EL_STEEL_CHAR('R'),
4663   EL_STEEL_CHAR('S'),
4664
4665   EL_STEEL_CHAR('T'),
4666   EL_STEEL_CHAR('U'),
4667   EL_STEEL_CHAR('V'),
4668   EL_STEEL_CHAR('W'),
4669
4670   EL_STEEL_CHAR('X'),
4671   EL_STEEL_CHAR('Y'),
4672   EL_STEEL_CHAR('Z'),
4673   EL_STEEL_CHAR('['),
4674
4675   EL_STEEL_CHAR('\\'),
4676   EL_STEEL_CHAR(']'),
4677   EL_STEEL_CHAR('^'),
4678   EL_STEEL_CHAR('_'),
4679
4680   EL_STEEL_CHAR(CHAR_BYTE_COPYRIGHT),
4681   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_A),
4682   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_O),
4683   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_U),
4684
4685   EL_STEEL_CHAR(CHAR_BYTE_DEGREE),
4686   EL_STEEL_CHAR(CHAR_BYTE_REGISTERED),
4687   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
4688   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
4689
4690   EL_STEEL_CHAR(FONT_ASCII_UP),
4691   EL_STEEL_CHAR(FONT_ASCII_DOWN),
4692   EL_STEEL_CHAR(' '),
4693   EL_STEEL_CHAR(' ')
4694 };
4695 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
4696 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
4697 static int num_editor_hl_steel_chars = SIZEOF_ARRAY_INT(editor_hl_steel_chars);
4698 static int num_editor_el_steel_chars = SIZEOF_ARRAY_INT(editor_el_steel_chars);
4699
4700 static int editor_hl_custom[] =
4701 {
4702   EL_INTERNAL_CASCADE_CE_ACTIVE,
4703   EL_CHAR('C'),
4704   EL_CHAR('E'),
4705   EL_EMPTY,
4706 };
4707
4708 static int editor_el_custom[] =
4709 {
4710   EL_CUSTOM_START + 0,
4711   EL_CUSTOM_START + 1,
4712   EL_CUSTOM_START + 2,
4713   EL_CUSTOM_START + 3,
4714
4715   EL_CUSTOM_START + 4,
4716   EL_CUSTOM_START + 5,
4717   EL_CUSTOM_START + 6,
4718   EL_CUSTOM_START + 7,
4719
4720   EL_CUSTOM_START + 8,
4721   EL_CUSTOM_START + 9,
4722   EL_CUSTOM_START + 10,
4723   EL_CUSTOM_START + 11,
4724
4725   EL_CUSTOM_START + 12,
4726   EL_CUSTOM_START + 13,
4727   EL_CUSTOM_START + 14,
4728   EL_CUSTOM_START + 15,
4729
4730   EL_CUSTOM_START + 16,
4731   EL_CUSTOM_START + 17,
4732   EL_CUSTOM_START + 18,
4733   EL_CUSTOM_START + 19,
4734
4735   EL_CUSTOM_START + 20,
4736   EL_CUSTOM_START + 21,
4737   EL_CUSTOM_START + 22,
4738   EL_CUSTOM_START + 23,
4739
4740   EL_CUSTOM_START + 24,
4741   EL_CUSTOM_START + 25,
4742   EL_CUSTOM_START + 26,
4743   EL_CUSTOM_START + 27,
4744
4745   EL_CUSTOM_START + 28,
4746   EL_CUSTOM_START + 29,
4747   EL_CUSTOM_START + 30,
4748   EL_CUSTOM_START + 31,
4749
4750   EL_CUSTOM_START + 32,
4751   EL_CUSTOM_START + 33,
4752   EL_CUSTOM_START + 34,
4753   EL_CUSTOM_START + 35,
4754
4755   EL_CUSTOM_START + 36,
4756   EL_CUSTOM_START + 37,
4757   EL_CUSTOM_START + 38,
4758   EL_CUSTOM_START + 39,
4759
4760   EL_CUSTOM_START + 40,
4761   EL_CUSTOM_START + 41,
4762   EL_CUSTOM_START + 42,
4763   EL_CUSTOM_START + 43,
4764
4765   EL_CUSTOM_START + 44,
4766   EL_CUSTOM_START + 45,
4767   EL_CUSTOM_START + 46,
4768   EL_CUSTOM_START + 47,
4769
4770   EL_CUSTOM_START + 48,
4771   EL_CUSTOM_START + 49,
4772   EL_CUSTOM_START + 50,
4773   EL_CUSTOM_START + 51,
4774
4775   EL_CUSTOM_START + 52,
4776   EL_CUSTOM_START + 53,
4777   EL_CUSTOM_START + 54,
4778   EL_CUSTOM_START + 55,
4779
4780   EL_CUSTOM_START + 56,
4781   EL_CUSTOM_START + 57,
4782   EL_CUSTOM_START + 58,
4783   EL_CUSTOM_START + 59,
4784
4785   EL_CUSTOM_START + 60,
4786   EL_CUSTOM_START + 61,
4787   EL_CUSTOM_START + 62,
4788   EL_CUSTOM_START + 63,
4789
4790   EL_CUSTOM_START + 64,
4791   EL_CUSTOM_START + 65,
4792   EL_CUSTOM_START + 66,
4793   EL_CUSTOM_START + 67,
4794
4795   EL_CUSTOM_START + 68,
4796   EL_CUSTOM_START + 69,
4797   EL_CUSTOM_START + 70,
4798   EL_CUSTOM_START + 71,
4799
4800   EL_CUSTOM_START + 72,
4801   EL_CUSTOM_START + 73,
4802   EL_CUSTOM_START + 74,
4803   EL_CUSTOM_START + 75,
4804
4805   EL_CUSTOM_START + 76,
4806   EL_CUSTOM_START + 77,
4807   EL_CUSTOM_START + 78,
4808   EL_CUSTOM_START + 79,
4809
4810   EL_CUSTOM_START + 80,
4811   EL_CUSTOM_START + 81,
4812   EL_CUSTOM_START + 82,
4813   EL_CUSTOM_START + 83,
4814
4815   EL_CUSTOM_START + 84,
4816   EL_CUSTOM_START + 85,
4817   EL_CUSTOM_START + 86,
4818   EL_CUSTOM_START + 87,
4819
4820   EL_CUSTOM_START + 88,
4821   EL_CUSTOM_START + 89,
4822   EL_CUSTOM_START + 90,
4823   EL_CUSTOM_START + 91,
4824
4825   EL_CUSTOM_START + 92,
4826   EL_CUSTOM_START + 93,
4827   EL_CUSTOM_START + 94,
4828   EL_CUSTOM_START + 95,
4829
4830   EL_CUSTOM_START + 96,
4831   EL_CUSTOM_START + 97,
4832   EL_CUSTOM_START + 98,
4833   EL_CUSTOM_START + 99,
4834
4835   EL_CUSTOM_START + 100,
4836   EL_CUSTOM_START + 101,
4837   EL_CUSTOM_START + 102,
4838   EL_CUSTOM_START + 103,
4839
4840   EL_CUSTOM_START + 104,
4841   EL_CUSTOM_START + 105,
4842   EL_CUSTOM_START + 106,
4843   EL_CUSTOM_START + 107,
4844
4845   EL_CUSTOM_START + 108,
4846   EL_CUSTOM_START + 109,
4847   EL_CUSTOM_START + 110,
4848   EL_CUSTOM_START + 111,
4849
4850   EL_CUSTOM_START + 112,
4851   EL_CUSTOM_START + 113,
4852   EL_CUSTOM_START + 114,
4853   EL_CUSTOM_START + 115,
4854
4855   EL_CUSTOM_START + 116,
4856   EL_CUSTOM_START + 117,
4857   EL_CUSTOM_START + 118,
4858   EL_CUSTOM_START + 119,
4859
4860   EL_CUSTOM_START + 120,
4861   EL_CUSTOM_START + 121,
4862   EL_CUSTOM_START + 122,
4863   EL_CUSTOM_START + 123,
4864
4865   EL_CUSTOM_START + 124,
4866   EL_CUSTOM_START + 125,
4867   EL_CUSTOM_START + 126,
4868   EL_CUSTOM_START + 127,
4869
4870   EL_CUSTOM_START + 128,
4871   EL_CUSTOM_START + 129,
4872   EL_CUSTOM_START + 130,
4873   EL_CUSTOM_START + 131,
4874
4875   EL_CUSTOM_START + 132,
4876   EL_CUSTOM_START + 133,
4877   EL_CUSTOM_START + 134,
4878   EL_CUSTOM_START + 135,
4879
4880   EL_CUSTOM_START + 136,
4881   EL_CUSTOM_START + 137,
4882   EL_CUSTOM_START + 138,
4883   EL_CUSTOM_START + 139,
4884
4885   EL_CUSTOM_START + 140,
4886   EL_CUSTOM_START + 141,
4887   EL_CUSTOM_START + 142,
4888   EL_CUSTOM_START + 143,
4889
4890   EL_CUSTOM_START + 144,
4891   EL_CUSTOM_START + 145,
4892   EL_CUSTOM_START + 146,
4893   EL_CUSTOM_START + 147,
4894
4895   EL_CUSTOM_START + 148,
4896   EL_CUSTOM_START + 149,
4897   EL_CUSTOM_START + 150,
4898   EL_CUSTOM_START + 151,
4899
4900   EL_CUSTOM_START + 152,
4901   EL_CUSTOM_START + 153,
4902   EL_CUSTOM_START + 154,
4903   EL_CUSTOM_START + 155,
4904
4905   EL_CUSTOM_START + 156,
4906   EL_CUSTOM_START + 157,
4907   EL_CUSTOM_START + 158,
4908   EL_CUSTOM_START + 159,
4909
4910   EL_CUSTOM_START + 160,
4911   EL_CUSTOM_START + 161,
4912   EL_CUSTOM_START + 162,
4913   EL_CUSTOM_START + 163,
4914
4915   EL_CUSTOM_START + 164,
4916   EL_CUSTOM_START + 165,
4917   EL_CUSTOM_START + 166,
4918   EL_CUSTOM_START + 167,
4919
4920   EL_CUSTOM_START + 168,
4921   EL_CUSTOM_START + 169,
4922   EL_CUSTOM_START + 170,
4923   EL_CUSTOM_START + 171,
4924
4925   EL_CUSTOM_START + 172,
4926   EL_CUSTOM_START + 173,
4927   EL_CUSTOM_START + 174,
4928   EL_CUSTOM_START + 175,
4929
4930   EL_CUSTOM_START + 176,
4931   EL_CUSTOM_START + 177,
4932   EL_CUSTOM_START + 178,
4933   EL_CUSTOM_START + 179,
4934
4935   EL_CUSTOM_START + 180,
4936   EL_CUSTOM_START + 181,
4937   EL_CUSTOM_START + 182,
4938   EL_CUSTOM_START + 183,
4939
4940   EL_CUSTOM_START + 184,
4941   EL_CUSTOM_START + 185,
4942   EL_CUSTOM_START + 186,
4943   EL_CUSTOM_START + 187,
4944
4945   EL_CUSTOM_START + 188,
4946   EL_CUSTOM_START + 189,
4947   EL_CUSTOM_START + 190,
4948   EL_CUSTOM_START + 191,
4949
4950   EL_CUSTOM_START + 192,
4951   EL_CUSTOM_START + 193,
4952   EL_CUSTOM_START + 194,
4953   EL_CUSTOM_START + 195,
4954
4955   EL_CUSTOM_START + 196,
4956   EL_CUSTOM_START + 197,
4957   EL_CUSTOM_START + 198,
4958   EL_CUSTOM_START + 199,
4959
4960   EL_CUSTOM_START + 200,
4961   EL_CUSTOM_START + 201,
4962   EL_CUSTOM_START + 202,
4963   EL_CUSTOM_START + 203,
4964
4965   EL_CUSTOM_START + 204,
4966   EL_CUSTOM_START + 205,
4967   EL_CUSTOM_START + 206,
4968   EL_CUSTOM_START + 207,
4969
4970   EL_CUSTOM_START + 208,
4971   EL_CUSTOM_START + 209,
4972   EL_CUSTOM_START + 210,
4973   EL_CUSTOM_START + 211,
4974
4975   EL_CUSTOM_START + 212,
4976   EL_CUSTOM_START + 213,
4977   EL_CUSTOM_START + 214,
4978   EL_CUSTOM_START + 215,
4979
4980   EL_CUSTOM_START + 216,
4981   EL_CUSTOM_START + 217,
4982   EL_CUSTOM_START + 218,
4983   EL_CUSTOM_START + 219,
4984
4985   EL_CUSTOM_START + 220,
4986   EL_CUSTOM_START + 221,
4987   EL_CUSTOM_START + 222,
4988   EL_CUSTOM_START + 223,
4989
4990   EL_CUSTOM_START + 224,
4991   EL_CUSTOM_START + 225,
4992   EL_CUSTOM_START + 226,
4993   EL_CUSTOM_START + 227,
4994
4995   EL_CUSTOM_START + 228,
4996   EL_CUSTOM_START + 229,
4997   EL_CUSTOM_START + 230,
4998   EL_CUSTOM_START + 231,
4999
5000   EL_CUSTOM_START + 232,
5001   EL_CUSTOM_START + 233,
5002   EL_CUSTOM_START + 234,
5003   EL_CUSTOM_START + 235,
5004
5005   EL_CUSTOM_START + 236,
5006   EL_CUSTOM_START + 237,
5007   EL_CUSTOM_START + 238,
5008   EL_CUSTOM_START + 239,
5009
5010   EL_CUSTOM_START + 240,
5011   EL_CUSTOM_START + 241,
5012   EL_CUSTOM_START + 242,
5013   EL_CUSTOM_START + 243,
5014
5015   EL_CUSTOM_START + 244,
5016   EL_CUSTOM_START + 245,
5017   EL_CUSTOM_START + 246,
5018   EL_CUSTOM_START + 247,
5019
5020   EL_CUSTOM_START + 248,
5021   EL_CUSTOM_START + 249,
5022   EL_CUSTOM_START + 250,
5023   EL_CUSTOM_START + 251,
5024
5025   EL_CUSTOM_START + 252,
5026   EL_CUSTOM_START + 253,
5027   EL_CUSTOM_START + 254,
5028   EL_CUSTOM_START + 255
5029 };
5030 static int *editor_hl_custom_ptr = editor_hl_custom;
5031 static int *editor_el_custom_ptr = editor_el_custom;
5032 static int num_editor_hl_custom = SIZEOF_ARRAY_INT(editor_hl_custom);
5033 static int num_editor_el_custom = SIZEOF_ARRAY_INT(editor_el_custom);
5034
5035 static int editor_hl_group[] =
5036 {
5037   EL_INTERNAL_CASCADE_GE_ACTIVE,
5038   EL_CHAR('G'),
5039   EL_CHAR('E'),
5040   EL_EMPTY,
5041 };
5042
5043 static int editor_el_group[] =
5044 {
5045   EL_GROUP_START + 0,
5046   EL_GROUP_START + 1,
5047   EL_GROUP_START + 2,
5048   EL_GROUP_START + 3,
5049
5050   EL_GROUP_START + 4,
5051   EL_GROUP_START + 5,
5052   EL_GROUP_START + 6,
5053   EL_GROUP_START + 7,
5054
5055   EL_GROUP_START + 8,
5056   EL_GROUP_START + 9,
5057   EL_GROUP_START + 10,
5058   EL_GROUP_START + 11,
5059
5060   EL_GROUP_START + 12,
5061   EL_GROUP_START + 13,
5062   EL_GROUP_START + 14,
5063   EL_GROUP_START + 15,
5064
5065   EL_GROUP_START + 16,
5066   EL_GROUP_START + 17,
5067   EL_GROUP_START + 18,
5068   EL_GROUP_START + 19,
5069
5070   EL_GROUP_START + 20,
5071   EL_GROUP_START + 21,
5072   EL_GROUP_START + 22,
5073   EL_GROUP_START + 23,
5074
5075   EL_GROUP_START + 24,
5076   EL_GROUP_START + 25,
5077   EL_GROUP_START + 26,
5078   EL_GROUP_START + 27,
5079
5080   EL_GROUP_START + 28,
5081   EL_GROUP_START + 29,
5082   EL_GROUP_START + 30,
5083   EL_GROUP_START + 31
5084 };
5085 static int *editor_hl_group_ptr = editor_hl_group;
5086 static int *editor_el_group_ptr = editor_el_group;
5087 static int num_editor_hl_group = SIZEOF_ARRAY_INT(editor_hl_group);
5088 static int num_editor_el_group = SIZEOF_ARRAY_INT(editor_el_group);
5089
5090 static int editor_hl_reference[] =
5091 {
5092   EL_INTERNAL_CASCADE_REF_ACTIVE,
5093   EL_CHAR('R'),
5094   EL_CHAR('E'),
5095   EL_CHAR('F')
5096 };
5097
5098 static int editor_el_reference[] =
5099 {
5100   EL_TRIGGER_PLAYER,
5101   EL_TRIGGER_ELEMENT,
5102   EL_TRIGGER_CE_VALUE,
5103   EL_TRIGGER_CE_SCORE,
5104
5105   EL_SELF,
5106   EL_ANY_ELEMENT,
5107   EL_CURRENT_CE_VALUE,
5108   EL_CURRENT_CE_SCORE,
5109
5110   EL_PREV_CE_8,
5111   EL_PREV_CE_7,
5112   EL_PREV_CE_6,
5113   EL_PREV_CE_5,
5114
5115   EL_PREV_CE_4,
5116   EL_PREV_CE_3,
5117   EL_PREV_CE_2,
5118   EL_PREV_CE_1,
5119
5120   EL_NEXT_CE_1,
5121   EL_NEXT_CE_2,
5122   EL_NEXT_CE_3,
5123   EL_NEXT_CE_4,
5124
5125   EL_NEXT_CE_5,
5126   EL_NEXT_CE_6,
5127   EL_NEXT_CE_7,
5128   EL_NEXT_CE_8,
5129 };
5130 static int *editor_hl_reference_ptr = editor_hl_reference;
5131 static int *editor_el_reference_ptr = editor_el_reference;
5132 static int num_editor_hl_reference = SIZEOF_ARRAY_INT(editor_hl_reference);
5133 static int num_editor_el_reference = SIZEOF_ARRAY_INT(editor_el_reference);
5134
5135 static int editor_hl_user_defined[] =
5136 {
5137   EL_INTERNAL_CASCADE_USER_ACTIVE,
5138   EL_CHAR('M'),
5139   EL_CHAR('Y'),
5140   EL_EMPTY,
5141 };
5142
5143 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
5144 static int *editor_el_user_defined_ptr = NULL;
5145 static int num_editor_hl_user_defined=SIZEOF_ARRAY_INT(editor_hl_user_defined);
5146 static int num_editor_el_user_defined = 0;
5147
5148 static int editor_hl_dynamic[] =
5149 {
5150   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
5151   EL_CHAR('U'),
5152   EL_CHAR('S'),
5153   EL_CHAR('E'),
5154 };
5155
5156 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
5157 static int *editor_el_dynamic_ptr = NULL;
5158 static int num_editor_hl_dynamic = SIZEOF_ARRAY_INT(editor_hl_dynamic);
5159 static int num_editor_el_dynamic = 0;
5160
5161 static int editor_hl_empty[] = { EL_EMPTY };
5162 static int *editor_el_empty = NULL;     /* dynamically allocated */
5163
5164 static int *editor_hl_empty_ptr = editor_hl_empty;
5165 static int *editor_el_empty_ptr = NULL;
5166 static int num_editor_hl_empty = 0;
5167 static int num_editor_el_empty = 0;     /* dynamically determined, if needed */
5168
5169 static boolean use_el_empty = FALSE;
5170
5171 static int *editor_elements = NULL;     /* dynamically allocated */
5172 static int num_editor_elements = 0;     /* dynamically determined */
5173
5174 static boolean setup_editor_cascade_never = FALSE;
5175
5176 static boolean setup_editor_el_players                  = TRUE;
5177 static boolean setup_editor_el_boulderdash              = TRUE;
5178 static boolean setup_editor_el_emerald_mine             = TRUE;
5179 static boolean setup_editor_el_emerald_mine_club        = TRUE;
5180 static boolean setup_editor_el_more                     = TRUE;
5181 static boolean setup_editor_el_sokoban                  = TRUE;
5182 static boolean setup_editor_el_supaplex                 = TRUE;
5183 static boolean setup_editor_el_diamond_caves            = TRUE;
5184 static boolean setup_editor_el_dx_boulderdash           = TRUE;
5185 static boolean setup_editor_el_mirror_magic             = TRUE;
5186 static boolean setup_editor_el_deflektor                = TRUE;
5187 static boolean setup_editor_el_chars                    = TRUE;
5188 static boolean setup_editor_el_steel_chars              = TRUE;
5189 static boolean setup_editor_el_custom                   = TRUE;
5190 static boolean setup_editor_el_user_defined             = TRUE;
5191 static boolean setup_editor_el_dynamic                  = TRUE;
5192
5193 static int editor_hl_unused[] = { EL_EMPTY };
5194 static int *editor_hl_unused_ptr = editor_hl_unused;
5195 static int num_editor_hl_unused = 0;
5196
5197 static struct
5198 {
5199   boolean *setup_value;
5200   boolean *setup_cascade_value;
5201
5202   int **headline_list;
5203   int *headline_list_size;
5204
5205   int **element_list;
5206   int *element_list_size;
5207
5208   boolean last_setup_value;
5209 }
5210 editor_elements_info[] =
5211 {
5212   {
5213     &setup_editor_el_players,
5214     &setup_editor_cascade_never,
5215     &editor_hl_unused_ptr,              &num_editor_hl_unused,
5216     &editor_el_players_ptr,             &num_editor_el_players
5217   },
5218   {
5219     &setup_editor_el_boulderdash,
5220     &setup.editor_cascade.el_bd,
5221     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
5222     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
5223   },
5224   {
5225     &setup_editor_el_emerald_mine,
5226     &setup.editor_cascade.el_em,
5227     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
5228     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
5229   },
5230   {
5231     &setup_editor_el_emerald_mine_club,
5232     &setup.editor_cascade.el_emc,
5233     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
5234     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
5235   },
5236   {
5237     &setup_editor_el_more,
5238     &setup.editor_cascade.el_rnd,
5239     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
5240     &editor_el_rnd_ptr,                 &num_editor_el_rnd
5241   },
5242   {
5243     &setup_editor_el_sokoban,
5244     &setup.editor_cascade.el_sb,
5245     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
5246     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
5247   },
5248   {
5249     &setup_editor_el_supaplex,
5250     &setup.editor_cascade.el_sp,
5251     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
5252     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
5253   },
5254   {
5255     &setup_editor_el_diamond_caves,
5256     &setup.editor_cascade.el_dc,
5257     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
5258     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
5259   },
5260   {
5261     &setup_editor_el_dx_boulderdash,
5262     &setup.editor_cascade.el_dx,
5263     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
5264     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
5265   },
5266   {
5267     &setup_editor_el_mirror_magic,
5268     &setup.editor_cascade.el_mm,
5269     &editor_hl_mirror_magic_ptr,        &num_editor_hl_mirror_magic,
5270     &editor_el_mirror_magic_ptr,        &num_editor_el_mirror_magic
5271   },
5272   {
5273     &setup_editor_el_deflektor,
5274     &setup.editor_cascade.el_df,
5275     &editor_hl_deflektor_ptr,           &num_editor_hl_deflektor,
5276     &editor_el_deflektor_ptr,           &num_editor_el_deflektor
5277   },
5278   {
5279     &setup_editor_el_chars,
5280     &setup.editor_cascade.el_chars,
5281     &editor_hl_chars_ptr,               &num_editor_hl_chars,
5282     &editor_el_chars_ptr,               &num_editor_el_chars
5283   },
5284   {
5285     &setup_editor_el_steel_chars,
5286     &setup.editor_cascade.el_steel_chars,
5287     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
5288     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
5289   },
5290   {
5291     &setup_editor_el_custom,
5292     &setup.editor_cascade.el_ce,
5293     &editor_hl_custom_ptr,              &num_editor_hl_custom,
5294     &editor_el_custom_ptr,              &num_editor_el_custom
5295   },
5296   {
5297     &setup_editor_el_custom,
5298     &setup.editor_cascade.el_ge,
5299     &editor_hl_group_ptr,               &num_editor_hl_group,
5300     &editor_el_group_ptr,               &num_editor_el_group
5301   },
5302   {
5303     &setup_editor_el_custom,
5304     &setup.editor_cascade.el_ref,
5305     &editor_hl_reference_ptr,           &num_editor_hl_reference,
5306     &editor_el_reference_ptr,           &num_editor_el_reference
5307   },
5308   {
5309     &setup_editor_el_user_defined,
5310     &setup.editor_cascade.el_user,
5311     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
5312     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
5313   },
5314   {
5315     &setup_editor_el_dynamic,
5316     &setup.editor_cascade.el_dynamic,
5317     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
5318     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
5319   },
5320   {
5321     &use_el_empty,
5322     &use_el_empty,
5323     &editor_hl_empty_ptr,               &num_editor_hl_empty,
5324     &editor_el_empty_ptr,               &num_editor_el_empty,
5325   },
5326   {
5327     NULL,
5328     NULL,
5329     NULL,                               NULL,
5330     NULL,                               NULL
5331   }
5332 };
5333
5334
5335 /*
5336   -----------------------------------------------------------------------------
5337   functions
5338   -----------------------------------------------------------------------------
5339 */
5340
5341 static int getMaxInfoTextLength()
5342 {
5343   return (SXSIZE / getFontWidth(INFOTEXT_FONT));
5344 }
5345
5346 static int getTextWidthForGadget(char *text)
5347 {
5348   if (text == NULL)
5349     return 0;
5350
5351   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
5352 }
5353
5354 static int getTextWidthForDrawingArea(char *text)
5355 {
5356   if (text == NULL)
5357     return 0;
5358
5359   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_TEXT_DISTANCE);
5360 }
5361
5362 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
5363 {
5364   return (gi->x + gi->width + getTextWidthForGadget(text));
5365 }
5366
5367 static char *getElementInfoText(int element)
5368 {
5369   char *info_text = NULL;
5370
5371   if (element < MAX_NUM_ELEMENTS)
5372   {
5373     if (strlen(element_info[element].description) > 0)
5374       info_text = element_info[element].description;
5375     else if (element_info[element].custom_description != NULL)
5376       info_text = element_info[element].custom_description;
5377     else if (element_info[element].editor_description != NULL)
5378       info_text = element_info[element].editor_description;
5379   }
5380
5381   if (info_text == NULL)
5382     info_text = INFOTEXT_UNKNOWN_ELEMENT;
5383
5384   return info_text;
5385 }
5386
5387 static char *getElementDescriptionFilenameExt(char *basename)
5388 {
5389   char *elements_subdir = "elements";
5390   static char *elements_subdir2 = NULL;
5391   static char *filename = NULL;
5392
5393   if (elements_subdir2 == NULL)
5394     elements_subdir2 = getPath2(DOCS_DIRECTORY, elements_subdir);
5395
5396   checked_free(filename);
5397
5398   /* 1st try: look for element description in current level set directory */
5399   filename = getPath3(getCurrentLevelDir(), elements_subdir2, basename);
5400   if (fileExists(filename))
5401     return filename;
5402
5403   free(filename);
5404
5405   /* 2nd try: look for element description in the game's base directory */
5406   filename = getPath3(options.docs_directory, elements_subdir, basename);
5407   if (fileExists(filename))
5408     return filename;
5409
5410   return NULL;
5411 }
5412
5413 char *getElementDescriptionFilename(int element)
5414 {
5415   char basename[MAX_FILENAME_LEN];
5416   char *filename;
5417
5418   /* 1st try: look for element description file for exactly this element */
5419   sprintf(basename, "%s.txt", element_info[element].token_name);
5420   filename = getElementDescriptionFilenameExt(basename);
5421   if (filename != NULL)
5422     return filename;
5423
5424   /* 2nd try: look for element description file for this element's class */
5425   sprintf(basename, "%s.txt", element_info[element].class_name);
5426   filename = getElementDescriptionFilenameExt(basename);
5427   if (filename != NULL)
5428     return filename;
5429
5430   return NULL;
5431 }
5432
5433 static void InitDynamicEditorElementList(int **elements, int *num_elements)
5434 {
5435   boolean element_found[NUM_FILE_ELEMENTS];
5436   int i, x, y;
5437
5438   /* initialize list of used elements to "not used" */
5439   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5440     element_found[i] = FALSE;
5441
5442   /* find all elements used in current level */
5443   for (y = 0; y < lev_fieldy; y++)
5444     for (x = 0; x < lev_fieldx; x++)
5445       if (Feld[x][y] < NUM_FILE_ELEMENTS)       /* should always be true */
5446         element_found[Feld[x][y]] = TRUE;
5447
5448   *num_elements = 0;
5449
5450   /* count number of elements used in current level */
5451   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5452     if (element_found[i])
5453       (*num_elements)++;
5454
5455   /* add space for up to 3 more elements for padding that may be needed */
5456   *num_elements += 3;
5457
5458   /* free memory for old list of elements, if needed */
5459   checked_free(*elements);
5460
5461   /* allocate memory for new list of elements */
5462   *elements = checked_malloc(*num_elements * sizeof(int));
5463
5464   *num_elements = 0;
5465
5466   /* add all elements used in current level (non-custom/group elements) */
5467   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5468     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
5469       (*elements)[(*num_elements)++] = i;
5470
5471   /* add all elements used in current level (custom/group elements) */
5472   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5473     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
5474       (*elements)[(*num_elements)++] = i;
5475
5476   while (*num_elements % 4)     /* pad with empty elements, if needed */
5477     (*elements)[(*num_elements)++] = EL_EMPTY;
5478 }
5479
5480 static void ReinitializeElementList_EnableSections()
5481 {
5482   /* default: enable all element sections */
5483
5484   setup_editor_el_players               = TRUE;
5485   setup_editor_el_boulderdash           = TRUE;
5486   setup_editor_el_emerald_mine          = TRUE;
5487   setup_editor_el_emerald_mine_club     = TRUE;
5488   setup_editor_el_more                  = TRUE;
5489   setup_editor_el_sokoban               = TRUE;
5490   setup_editor_el_supaplex              = TRUE;
5491   setup_editor_el_diamond_caves         = TRUE;
5492   setup_editor_el_dx_boulderdash        = TRUE;
5493   setup_editor_el_mirror_magic          = TRUE;
5494   setup_editor_el_deflektor             = TRUE;
5495   setup_editor_el_chars                 = TRUE;
5496   setup_editor_el_steel_chars           = TRUE;
5497
5498   setup_editor_el_custom                = TRUE;
5499   setup_editor_el_user_defined          = TRUE;
5500   setup_editor_el_dynamic               = TRUE;
5501
5502   /* now disable all element sections not to be displayed */
5503
5504   if (!setup.editor.el_classic)
5505   {
5506     setup_editor_el_players             = FALSE;
5507     setup_editor_el_boulderdash         = FALSE;
5508     setup_editor_el_emerald_mine        = FALSE;
5509     setup_editor_el_emerald_mine_club   = FALSE;
5510     setup_editor_el_more                = FALSE;
5511     setup_editor_el_sokoban             = FALSE;
5512     setup_editor_el_supaplex            = FALSE;
5513     setup_editor_el_diamond_caves       = FALSE;
5514     setup_editor_el_dx_boulderdash      = FALSE;
5515     setup_editor_el_mirror_magic        = FALSE;
5516     setup_editor_el_deflektor           = FALSE;
5517     setup_editor_el_chars               = FALSE;
5518     setup_editor_el_steel_chars         = FALSE;
5519   }
5520
5521   if (!setup.editor.el_custom)
5522   {
5523     setup_editor_el_custom              = FALSE;
5524   }
5525
5526   if (!setup.editor.el_user_defined)
5527   {
5528     setup_editor_el_user_defined        = FALSE;
5529   }
5530
5531   if (!setup.editor.el_dynamic)
5532   {
5533     setup_editor_el_dynamic             = FALSE;
5534   }
5535
5536   if (level.game_engine_type == GAME_ENGINE_TYPE_RND)
5537   {
5538     setup_editor_el_mirror_magic        = FALSE;
5539     setup_editor_el_deflektor           = FALSE;
5540   }
5541   else if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
5542   {
5543     setup_editor_el_boulderdash         = FALSE;
5544     setup_editor_el_more                = FALSE;
5545     setup_editor_el_sokoban             = FALSE;
5546     setup_editor_el_supaplex            = FALSE;
5547     setup_editor_el_diamond_caves       = FALSE;
5548     setup_editor_el_dx_boulderdash      = FALSE;
5549     setup_editor_el_mirror_magic        = FALSE;
5550     setup_editor_el_deflektor           = FALSE;
5551     setup_editor_el_steel_chars         = FALSE;
5552
5553     setup_editor_el_custom              = FALSE;
5554   }
5555   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
5556   {
5557     setup_editor_el_players             = FALSE;
5558     setup_editor_el_boulderdash         = FALSE;
5559     setup_editor_el_emerald_mine        = FALSE;
5560     setup_editor_el_emerald_mine_club   = FALSE;
5561     setup_editor_el_more                = FALSE;
5562     setup_editor_el_sokoban             = 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_chars               = FALSE;
5568     setup_editor_el_steel_chars         = FALSE;
5569
5570     setup_editor_el_custom              = FALSE;
5571   }
5572   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
5573   {
5574     setup_editor_el_players             = FALSE;
5575     setup_editor_el_boulderdash         = FALSE;
5576     setup_editor_el_emerald_mine        = FALSE;
5577     setup_editor_el_emerald_mine_club   = FALSE;
5578     setup_editor_el_more                = FALSE;
5579     setup_editor_el_sokoban             = FALSE;
5580     setup_editor_el_supaplex            = FALSE;
5581     setup_editor_el_diamond_caves       = FALSE;
5582     setup_editor_el_dx_boulderdash      = FALSE;
5583     setup_editor_el_steel_chars         = FALSE;
5584
5585     setup_editor_el_custom              = FALSE;
5586   }
5587 }
5588
5589 static void ReinitializeElementList()
5590 {
5591   static boolean initialization_needed = TRUE;
5592   int pos = 0;
5593   int i, j;
5594
5595   ReinitializeElementList_EnableSections();
5596
5597   if (initialization_needed)
5598   {
5599     LoadSetup_EditorCascade();          /* load last editor cascade state */
5600
5601     /* initialize editor cascade element from saved cascade state */
5602     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5603     {
5604       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
5605       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
5606
5607       if (IS_EDITOR_CASCADE(*cascade_element))
5608         *cascade_element =
5609           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
5610            EL_CASCADE_INACTIVE(*cascade_element));
5611     }
5612
5613     initialization_needed = FALSE;
5614   }
5615
5616   checked_free(editor_elements);
5617
5618   /* reload optional user defined element list for each invocation of editor */
5619   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
5620                                    &num_editor_el_user_defined);
5621
5622   /* initialize dynamic level element list for each invocation of editor */
5623   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
5624                                &num_editor_el_dynamic);
5625
5626   /* initialize list of empty elements (used for padding, if needed) */
5627   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
5628     editor_el_empty[i] = EL_EMPTY;
5629
5630   /* do some sanity checks for each element from element list */
5631   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5632   {
5633     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5634     {
5635       int element = (*editor_elements_info[i].element_list)[j];
5636
5637       if (element >= NUM_FILE_ELEMENTS)
5638         Error(ERR_WARN, "editor element %d is runtime element", element);
5639
5640       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
5641         Error(ERR_WARN, "no element description text for element %d", element);
5642     }
5643   }
5644
5645   num_editor_elements = 0;
5646   use_el_empty = FALSE;
5647
5648   /* determine size of element list */
5649   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5650   {
5651     boolean found_inactive_cascade = FALSE;
5652
5653     if (*editor_elements_info[i].setup_value)
5654     {
5655       if (setup.editor.el_headlines)
5656       {
5657         // required for correct padding of palette headline buttons
5658         if (*editor_elements_info[i].headline_list_size > 0)
5659           num_editor_elements += editor.palette.cols;
5660
5661         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5662         {
5663           int element = (*editor_elements_info[i].headline_list)[j];
5664
5665           if (IS_EDITOR_CASCADE_INACTIVE(element))
5666             found_inactive_cascade = TRUE;
5667         }
5668       }
5669
5670       if (found_inactive_cascade)
5671         continue;
5672
5673       // required for correct padding of palette element buttons
5674       int element_list_size = *editor_elements_info[i].element_list_size;
5675       int element_rows =
5676         (element_list_size + editor.palette.cols - 1) / editor.palette.cols;
5677       int element_buttons = editor.palette.cols * element_rows;
5678
5679       num_editor_elements += element_buttons;
5680     }
5681   }
5682
5683   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
5684   {
5685     /* offer at least as many elements as element buttons exist */
5686     use_el_empty = TRUE;
5687     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
5688
5689     num_editor_elements += num_editor_el_empty;
5690   }
5691   else
5692   {
5693     num_editor_el_empty = 0;
5694   }
5695
5696   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
5697
5698   /* fill element list */
5699   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5700   {
5701     boolean found_inactive_cascade = FALSE;
5702
5703     if (*editor_elements_info[i].setup_value)
5704     {
5705       if (setup.editor.el_headlines)
5706       {
5707         // required for correct padding of palette headline buttons
5708         int headline_size = (*editor_elements_info[i].headline_list_size > 0 ?
5709                              editor.palette.cols : 0);
5710
5711         for (j = 0; j < headline_size; j++)
5712         {
5713           // use empty elements for padding of palette headline buttons
5714           int element = (j < *editor_elements_info[i].headline_list_size ?
5715                          (*editor_elements_info[i].headline_list)[j] :
5716                          editor_el_empty[0]);
5717
5718           editor_elements[pos++] = element;
5719
5720           if (IS_EDITOR_CASCADE_INACTIVE(element))
5721             found_inactive_cascade = TRUE;
5722         }
5723       }
5724
5725       if (found_inactive_cascade)
5726         continue;
5727
5728       // required for correct padding of palette element buttons
5729       int element_list_size = *editor_elements_info[i].element_list_size;
5730       int element_rows =
5731         (element_list_size + editor.palette.cols - 1) / editor.palette.cols;
5732       int element_buttons = editor.palette.cols * element_rows;
5733
5734       // copy all elements from element list
5735       for (j = 0; j < element_list_size; j++)
5736         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
5737
5738       // use empty elements for padding of palette element buttons
5739       for (j = 0; j < element_buttons - element_list_size; j++)
5740         editor_elements[pos++] = editor_el_empty[0];
5741     }
5742   }
5743
5744   /* (this function is also called before editor gadgets are initialized!) */
5745   AdjustElementListScrollbar();
5746 }
5747
5748 void PrintEditorElementList()
5749 {
5750   boolean *stop = &setup_editor_el_user_defined;
5751   int i, j;
5752
5753   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
5754   {
5755     int cascade_element = (*editor_elements_info[i].headline_list)[0];
5756
5757     if (IS_EDITOR_CASCADE(cascade_element))
5758     {
5759       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
5760       char *headline = element_info[cascade_element_show].editor_description;
5761
5762       PrintLineWithPrefix("# ", "-", 77);
5763       Print("# %s\n", headline);
5764       PrintLineWithPrefix("# ", "-", 77);
5765     }
5766
5767     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5768     {
5769       int element = (*editor_elements_info[i].headline_list)[j];
5770
5771       if (IS_EDITOR_CASCADE(element))
5772         element = EL_CHAR_MINUS;
5773
5774       Print("# %s\n", element_info[element].token_name);
5775     }
5776
5777     if (j > 0)
5778       Print("#\n");
5779
5780     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5781     {
5782       int element = (*editor_elements_info[i].element_list)[j];
5783
5784       Print("# %s\n", element_info[element].token_name);
5785     }
5786
5787     if (j > 0)
5788       Print("#\n");
5789   }
5790 }
5791
5792 static void ReinitializeElementListButtons()
5793 {
5794   static boolean last_setup_value_headlines = FALSE;
5795   static boolean initialization_needed = TRUE;
5796   int i;
5797
5798   if (!initialization_needed)   /* check if editor element setup has changed */
5799   {
5800     if (last_setup_value_headlines != setup.editor.el_headlines)
5801       initialization_needed = TRUE;
5802
5803     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5804       if (editor_elements_info[i].last_setup_value !=
5805           *editor_elements_info[i].setup_value)
5806         initialization_needed = TRUE;
5807   }
5808
5809   if (!initialization_needed)
5810     return;
5811
5812   FreeLevelEditorGadgets();
5813   CreateLevelEditorGadgets();
5814
5815   /* store current setup values for next invocation of this function */
5816   last_setup_value_headlines = setup.editor.el_headlines;
5817   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5818     editor_elements_info[i].last_setup_value =
5819       *editor_elements_info[i].setup_value;
5820
5821   initialization_needed = FALSE;
5822 }
5823
5824 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
5825                               boolean input)
5826 {
5827   int border_graphic =
5828     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
5829   struct GraphicInfo *g = &graphic_info[border_graphic];
5830   Bitmap *src_bitmap = g->bitmap;
5831   int src_x = g->src_x;
5832   int src_y = g->src_y;
5833   int border_size = g->border_size;
5834   int border_xpos = g->width  - border_size;
5835   int border_ypos = g->height - border_size;
5836   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
5837   int i;
5838
5839   BlitBitmap(src_bitmap, drawto, src_x, src_y,
5840              border_size, border_size,
5841              dest_x - border_size, dest_y - border_size);
5842   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y,
5843              border_size, border_size,
5844              dest_x + width, dest_y - border_size);
5845   BlitBitmap(src_bitmap, drawto, src_x, src_y + border_ypos,
5846              border_size, border_size,
5847              dest_x - border_size, dest_y + height);
5848   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_ypos,
5849              border_size, border_size,
5850              dest_x + width, dest_y + height);
5851
5852   for (i = 0; i < width / tilesize; i++)
5853   {
5854     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y,
5855                tilesize, border_size,
5856                dest_x + i * tilesize, dest_y - border_size);
5857     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y + border_ypos,
5858                tilesize, border_size,
5859                dest_x + i * tilesize, dest_y + height);
5860   }
5861
5862   for (i = 0; i < height / tilesize; i++)
5863   {
5864     BlitBitmap(src_bitmap, drawto, src_x, src_y + border_size,
5865                border_size, tilesize,
5866                dest_x - border_size, dest_y + i * tilesize);
5867     BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_size,
5868                border_size, tilesize,
5869                dest_x + width, dest_y + i * tilesize);
5870   }
5871
5872   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
5873 }
5874
5875 static void DrawEditorElement(int x, int y, int element)
5876 {
5877   DrawSizedElement(x, y, element, ed_tilesize);
5878 }
5879
5880 static void DrawEditorElementThruMask(int x, int y, int element)
5881 {
5882   DrawSizedElementThruMask(x, y, element, ed_tilesize);
5883 }
5884
5885 static void DrawEditorElementOrWall(int x, int y, int scroll_x, int scroll_y)
5886 {
5887   DrawSizedElementOrWall(x, y, scroll_x, scroll_y, ed_tilesize);
5888 }
5889
5890 static void DrawEditorLevel(int size_x, int size_y, int scroll_x, int scroll_y)
5891 {
5892   DrawSizedLevel(size_x, size_y, scroll_x, scroll_y, ed_tilesize);
5893 }
5894
5895 static void DrawDrawingArea(int id)
5896 {
5897   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
5898   int x, y;
5899
5900   int *value = drawingarea_info[id].value;
5901   int area_xsize = drawingarea_info[id].area_xsize;
5902   int area_ysize = drawingarea_info[id].area_ysize;
5903   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
5904
5905   for (x = 0; x < area_xsize; x++)
5906     for (y = 0; y < area_ysize; y++)
5907       DrawSizedGraphicExt(drawto,
5908                           gi->x + x * tilesize,
5909                           gi->y + y * tilesize,
5910                           el2edimg(value[x * area_ysize + y]), 0, tilesize);
5911 }
5912
5913 static void ScrollEditorLevel(int from_x, int from_y, int scroll)
5914 {
5915   int x, y;
5916   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
5917   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
5918
5919   BlitBitmap(drawto, drawto,
5920              SX + (dx == -1 ? ed_tilesize : 0),
5921              SY + (dy == -1 ? ed_tilesize : 0),
5922              (ed_fieldx * ed_tilesize) - (dx != 0 ? ed_tilesize : 0),
5923              (ed_fieldy * ed_tilesize) - (dy != 0 ? ed_tilesize : 0),
5924              SX + (dx == +1 ? ed_tilesize : 0),
5925              SY + (dy == +1 ? ed_tilesize : 0));
5926
5927   if (dx)
5928   {
5929     x = (dx == 1 ? 0 : ed_fieldx - 1);
5930     for (y = 0; y < ed_fieldy; y++)
5931       DrawEditorElementOrWall(x, y, from_x, from_y);
5932   }
5933   else if (dy)
5934   {
5935     y = (dy == 1 ? 0 : ed_fieldy - 1);
5936     for (x = 0; x < ed_fieldx; x++)
5937       DrawEditorElementOrWall(x, y, from_x, from_y);
5938   }
5939
5940   redraw_mask |= REDRAW_FIELD;
5941   BackToFront();
5942 }
5943
5944 void getEditorGraphicSource(int element, int tile_size, Bitmap **bitmap,
5945                             int *x, int *y)
5946 {
5947   getSizedGraphicSource(el2edimg(element), 0, tile_size, bitmap, x, y);
5948 }
5949
5950 static void CreateControlButtons()
5951 {
5952   struct GadgetInfo *gi;
5953   int i;
5954
5955   /* create toolbox buttons */
5956   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
5957   {
5958     int id = controlbutton_info[i].gadget_id;
5959     int type = controlbutton_info[i].gadget_type;
5960     int graphic = controlbutton_info[i].graphic;
5961     struct XYTileSize *pos = controlbutton_info[i].pos;
5962     struct GraphicInfo *gd = &graphic_info[graphic];
5963     Bitmap *deco_bitmap = NULL;
5964     int deco_x = 0, deco_y = 0, deco_xpos = 0, deco_ypos = 0;
5965     int tile_size = 0, deco_shift = 0;
5966     boolean deco_masked = FALSE;
5967     int gd_x1 = gd->src_x;
5968     int gd_y1 = gd->src_y;
5969     int gd_x2 = gd->src_x + gd->pressed_xoffset;
5970     int gd_y2 = gd->src_y + gd->pressed_yoffset;
5971     int gd_x1a = gd->src_x + gd->active_xoffset;
5972     int gd_y1a = gd->src_y + gd->active_yoffset;
5973     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
5974     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
5975     int x = pos->x;
5976     int y = pos->y;
5977     unsigned int event_mask;
5978     int radio_button_nr = RADIO_NR_NONE;
5979     boolean checked = FALSE;
5980
5981     if (type == GD_TYPE_RADIO_BUTTON)
5982     {
5983       event_mask = GD_EVENT_PRESSED;
5984       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
5985
5986       if (id == drawing_function)
5987         checked = TRUE;
5988     }
5989     else
5990     {
5991       if (id == GADGET_ID_WRAP_LEFT ||
5992           id == GADGET_ID_WRAP_RIGHT ||
5993           id == GADGET_ID_WRAP_UP ||
5994           id == GADGET_ID_WRAP_DOWN)
5995         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5996       else
5997         event_mask = GD_EVENT_RELEASED;
5998     }
5999
6000     if (id == GADGET_ID_PROPERTIES ||
6001         id == GADGET_ID_PALETTE)
6002     {
6003       x += DX;
6004       y += DY;
6005     }
6006     else if (id == GADGET_ID_ELEMENT_LEFT ||
6007              id == GADGET_ID_ELEMENT_MIDDLE ||
6008              id == GADGET_ID_ELEMENT_RIGHT)
6009     {
6010       x += DX;
6011       y += DY;
6012
6013       int element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
6014                      id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
6015                      id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 : EL_EMPTY);
6016
6017       tile_size = BUTTON_TILE_SIZE(id == GADGET_ID_ELEMENT_LEFT ?
6018                                    editor.button.element_left.tile_size :
6019                                    id == GADGET_ID_ELEMENT_MIDDLE ?
6020                                    editor.button.element_middle.tile_size :
6021                                    id == GADGET_ID_ELEMENT_RIGHT ?
6022                                    editor.button.element_right.tile_size : 0);
6023
6024       // make sure that decoration does not overlap gadget border
6025       tile_size = MIN(tile_size, MIN(gd->width, gd->height));
6026
6027       getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x,&deco_y);
6028
6029       deco_xpos = (gd->width  - tile_size) / 2;
6030       deco_ypos = (gd->height - tile_size) / 2;
6031       deco_shift = 1;
6032       deco_masked = gd->draw_masked;
6033     }
6034     else
6035     {
6036       x += EX;
6037       y += EY;
6038     }
6039
6040     gi = CreateGadget(GDI_CUSTOM_ID, id,
6041                       GDI_CUSTOM_TYPE_ID, i,
6042                       GDI_INFO_TEXT, controlbutton_info[i].infotext,
6043                       GDI_X, x,
6044                       GDI_Y, y,
6045                       GDI_WIDTH, gd->width,
6046                       GDI_HEIGHT, gd->height,
6047                       GDI_TYPE, type,
6048                       GDI_STATE, GD_BUTTON_UNPRESSED,
6049                       GDI_RADIO_NR, radio_button_nr,
6050                       GDI_CHECKED, checked,
6051                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6052                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6053                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6054                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
6055                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
6056                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
6057                       GDI_DECORATION_SIZE, tile_size, tile_size,
6058                       GDI_DECORATION_SHIFTING, deco_shift, deco_shift,
6059                       GDI_DECORATION_MASKED, deco_masked,
6060                       GDI_EVENT_MASK, event_mask,
6061                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6062                       GDI_CALLBACK_ACTION, HandleControlButtons,
6063                       GDI_END);
6064
6065     if (gi == NULL)
6066       Error(ERR_EXIT, "cannot create gadget");
6067
6068     level_editor_gadget[id] = gi;
6069   }
6070
6071   /* these values are not constant, but can change at runtime */
6072   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
6073   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
6074   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
6075   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
6076   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
6077   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
6078   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
6079   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
6080   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].x    = ED_SCROLL2_UP_XPOS;
6081   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].y    = ED_SCROLL2_UP_YPOS;
6082   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].x  = ED_SCROLL2_DOWN_XPOS;
6083   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].y  = ED_SCROLL2_DOWN_YPOS;
6084
6085   /* create buttons for scrolling of drawing area and element list */
6086   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
6087   {
6088     int id = scrollbutton_info[i].gadget_id;
6089     int graphic = scrollbutton_info[i].graphic;
6090     struct GraphicInfo *gd = &graphic_info[graphic];
6091     Bitmap *gd_bitmap = gd->bitmap;
6092     int gd_x1 = gd->src_x;
6093     int gd_y1 = gd->src_y;
6094     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6095     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6096     int width  = gd->width;
6097     int height = gd->height;
6098     int x = scrollbutton_pos[i].x;
6099     int y = scrollbutton_pos[i].y;
6100     unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6101
6102     if (id == GADGET_ID_SCROLL_LIST_UP ||
6103         id == GADGET_ID_SCROLL_LIST_DOWN)
6104     {
6105       x += PX;
6106       y += PY;
6107     }
6108     else
6109     {
6110       x += SX;
6111       y += SY;
6112     }
6113
6114     gi = CreateGadget(GDI_CUSTOM_ID, id,
6115                       GDI_CUSTOM_TYPE_ID, i,
6116                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
6117                       GDI_X, x,
6118                       GDI_Y, y,
6119                       GDI_WIDTH, width,
6120                       GDI_HEIGHT, height,
6121                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6122                       GDI_STATE, GD_BUTTON_UNPRESSED,
6123                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6124                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6125                       GDI_EVENT_MASK, event_mask,
6126                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6127                       GDI_CALLBACK_ACTION, HandleControlButtons,
6128                       GDI_END);
6129
6130     if (gi == NULL)
6131       Error(ERR_EXIT, "cannot create gadget");
6132
6133     level_editor_gadget[id] = gi;
6134   }
6135
6136   /* create buttons for element list */
6137   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
6138   {
6139     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
6140     int graphic = IMG_EDITOR_PALETTE_BUTTON;
6141     struct GraphicInfo *gd = &graphic_info[graphic];
6142     Bitmap *gd_bitmap = gd->bitmap;
6143     Bitmap *deco_bitmap;
6144     int deco_x, deco_y, deco_xpos, deco_ypos;
6145     int gd_x1 = gd->src_x;
6146     int gd_y1 = gd->src_y;
6147     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6148     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6149     int xx = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
6150     int yy = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
6151     int x = PX + ED_ELEMENTLIST_XPOS + xx * gd->width;
6152     int y = PY + ED_ELEMENTLIST_YPOS + yy * gd->height;
6153     int element = editor_elements[i];
6154     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
6155     unsigned int event_mask = GD_EVENT_RELEASED;
6156
6157     getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
6158
6159     deco_xpos = (gd->width  - tile_size) / 2;
6160     deco_ypos = (gd->height - tile_size) / 2;
6161
6162     gi = CreateGadget(GDI_CUSTOM_ID, id,
6163                       GDI_CUSTOM_TYPE_ID, i,
6164                       GDI_INFO_TEXT, getElementInfoText(element),
6165                       GDI_X, x,
6166                       GDI_Y, y,
6167                       GDI_WIDTH, gd->width,
6168                       GDI_HEIGHT, gd->height,
6169                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6170                       GDI_STATE, GD_BUTTON_UNPRESSED,
6171                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6172                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6173                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
6174                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
6175                       GDI_DECORATION_SIZE, tile_size, tile_size,
6176                       GDI_DECORATION_SHIFTING, 1, 1,
6177                       GDI_EVENT_MASK, event_mask,
6178                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6179                       GDI_CALLBACK_ACTION, HandleControlButtons,
6180                       GDI_END);
6181
6182     if (gi == NULL)
6183       Error(ERR_EXIT, "cannot create gadget");
6184
6185     level_editor_gadget[id] = gi;
6186   }
6187 }
6188
6189 static void CreateCounterButtons()
6190 {
6191   int max_infotext_len = getMaxInfoTextLength();
6192   int i;
6193
6194   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
6195   {
6196     int j;
6197     int x = SX + ED_SETTINGS_X(counterbutton_info[i].x); /* down count button */
6198     int y = SY + ED_SETTINGS_Y(counterbutton_info[i].y);
6199
6200     /* determine horizontal position to the right of specified gadget */
6201     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6202       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
6203            ED_GADGET_TEXT_DISTANCE);
6204
6205     /* determine horizontal offset for leading text */
6206     if (counterbutton_info[i].text_left != NULL)
6207       x += getTextWidthForGadget(counterbutton_info[i].text_left);
6208
6209     for (j = 0; j < 2; j++)
6210     {
6211       struct GadgetInfo *gi;
6212       int id = (j == 0 ?
6213                 counterbutton_info[i].gadget_id_down :
6214                 counterbutton_info[i].gadget_id_up);
6215       int graphic;
6216       struct GraphicInfo *gd;
6217       int gd_x1, gd_x2, gd_y1, gd_y2;
6218       unsigned int event_mask;
6219       char infotext[max_infotext_len + 1];
6220
6221       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6222
6223       if (i == ED_COUNTER_ID_SELECT_LEVEL)
6224       {
6225         graphic = (j == 0 ?
6226                    IMG_GFX_EDITOR_BUTTON_PREV_LEVEL :
6227                    IMG_GFX_EDITOR_BUTTON_NEXT_LEVEL);
6228
6229         event_mask |= GD_EVENT_RELEASED;
6230
6231         if (j == 0)
6232         {
6233           x = DX + editor.button.prev_level.x;
6234           y = DY + editor.button.prev_level.y;
6235         }
6236         else
6237         {
6238           x = DX + editor.button.next_level.x;
6239           y = DY + editor.button.next_level.y;
6240         }
6241       }
6242       else
6243       {
6244         graphic = (j == 0 ?
6245                    IMG_EDITOR_COUNTER_DOWN :
6246                    IMG_EDITOR_COUNTER_UP);
6247       }
6248
6249       gd = &graphic_info[graphic];
6250
6251       gd_x1 = gd->src_x;
6252       gd_y1 = gd->src_y;
6253       gd_x2 = gd->src_x + gd->pressed_xoffset;
6254       gd_y2 = gd->src_y + gd->pressed_yoffset;
6255
6256       sprintf(infotext, "%s counter value by 1, 5 or 10",
6257               (j == 0 ? "decrease" : "increase"));
6258
6259       gi = CreateGadget(GDI_CUSTOM_ID, id,
6260                         GDI_CUSTOM_TYPE_ID, i,
6261                         GDI_INFO_TEXT, infotext,
6262                         GDI_X, x,
6263                         GDI_Y, y,
6264                         GDI_WIDTH, gd->width,
6265                         GDI_HEIGHT, gd->height,
6266                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6267                         GDI_STATE, GD_BUTTON_UNPRESSED,
6268                         GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6269                         GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6270                         GDI_EVENT_MASK, event_mask,
6271                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6272                         GDI_CALLBACK_ACTION, HandleCounterButtons,
6273                         GDI_END);
6274
6275       if (gi == NULL)
6276         Error(ERR_EXIT, "cannot create gadget");
6277
6278       level_editor_gadget[id] = gi;
6279       right_gadget_border[id] =
6280         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
6281
6282       x += gi->width + ED_GADGET_SMALL_DISTANCE;        /* text count button */
6283
6284       if (j == 0)
6285       {
6286         int font_type = FONT_INPUT_1;
6287         int font_type_active = FONT_INPUT_1_ACTIVE;
6288
6289         id = counterbutton_info[i].gadget_id_text;
6290
6291         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6292
6293         if (i == ED_COUNTER_ID_SELECT_LEVEL)
6294         {
6295           graphic = IMG_GFX_EDITOR_INPUT_LEVEL_NUMBER;
6296
6297           font_type = FONT_LEVEL_NUMBER;
6298           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
6299
6300           x = DX + editor.input.level_number.x;
6301           y = DY + editor.input.level_number.y;
6302         }
6303         else
6304         {
6305           graphic = IMG_EDITOR_COUNTER_INPUT;
6306         }
6307
6308         gd = &graphic_info[graphic];
6309
6310         gd_x1 = gd->src_x;
6311         gd_y1 = gd->src_y;
6312         gd_x2 = gd->src_x + gd->active_xoffset;
6313         gd_y2 = gd->src_y + gd->active_yoffset;
6314
6315         gi = CreateGadget(GDI_CUSTOM_ID, id,
6316                           GDI_CUSTOM_TYPE_ID, i,
6317                           GDI_INFO_TEXT, "enter counter value",
6318                           GDI_X, x,
6319                           GDI_Y, y,
6320                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
6321                           GDI_NUMBER_VALUE, 0,
6322                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
6323                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
6324                           GDI_TEXT_SIZE, 3,     /* minimal counter text size */
6325                           GDI_TEXT_FONT, font_type,
6326                           GDI_TEXT_FONT_ACTIVE, font_type_active,
6327                           GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6328                           GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6329                           GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6330                           GDI_DESIGN_WIDTH, gd->width,
6331                           GDI_EVENT_MASK, event_mask,
6332                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6333                           GDI_CALLBACK_ACTION, HandleCounterButtons,
6334                           GDI_END);
6335
6336         if (gi == NULL)
6337           Error(ERR_EXIT, "cannot create gadget");
6338
6339         level_editor_gadget[id] = gi;
6340         right_gadget_border[id] =
6341           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
6342
6343         x += gi->width + ED_GADGET_SMALL_DISTANCE;      /* up count button */
6344       }
6345     }
6346   }
6347 }
6348
6349 static void CreateDrawingAreas()
6350 {
6351   int i;
6352
6353   /* these values are not constant, but can change at runtime */
6354   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
6355   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
6356
6357   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
6358   {
6359     struct GadgetInfo *gi;
6360     unsigned int event_mask;
6361     int id = drawingarea_info[i].gadget_id;
6362     int x = SX + ED_AREA_SETTINGS_X(drawingarea_info[i]);
6363     int y = SY + ED_AREA_SETTINGS_Y(drawingarea_info[i]);
6364     int area_xsize = drawingarea_info[i].area_xsize;
6365     int area_ysize = drawingarea_info[i].area_ysize;
6366     int item_size = (id == GADGET_ID_DRAWING_LEVEL ?
6367                      ed_tilesize : ED_DRAWINGAREA_TILE_SIZE);
6368
6369     event_mask =
6370       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
6371       GD_EVENT_OFF_BORDERS | GD_EVENT_PIXEL_PRECISE;
6372
6373     /* determine horizontal position to the right of specified gadget */
6374     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
6375       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
6376            ED_DRAWINGAREA_TEXT_DISTANCE);
6377
6378     /* determine horizontal offset for leading text */
6379     if (drawingarea_info[i].text_left != NULL)
6380       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
6381
6382     gi = CreateGadget(GDI_CUSTOM_ID, id,
6383                       GDI_CUSTOM_TYPE_ID, i,
6384                       GDI_X, x,
6385                       GDI_Y, y,
6386                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
6387                       GDI_AREA_SIZE, area_xsize, area_ysize,
6388                       GDI_ITEM_SIZE, item_size, item_size,
6389                       GDI_EVENT_MASK, event_mask,
6390                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
6391                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
6392                       GDI_END);
6393
6394     if (gi == NULL)
6395       Error(ERR_EXIT, "cannot create gadget");
6396
6397     level_editor_gadget[id] = gi;
6398     right_gadget_border[id] =
6399       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
6400   }
6401 }
6402
6403 static void CreateTextInputGadgets()
6404 {
6405   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
6406   int max_infotext_len = getMaxInfoTextLength();
6407   int i;
6408
6409   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
6410   {
6411     int gd_x1 = gd->src_x;
6412     int gd_y1 = gd->src_y;
6413     int gd_x2 = gd->src_x + gd->active_xoffset;
6414     int gd_y2 = gd->src_y + gd->active_yoffset;
6415     struct GadgetInfo *gi;
6416     unsigned int event_mask;
6417     char infotext[MAX_OUTPUT_LINESIZE + 1];
6418     int id = textinput_info[i].gadget_id;
6419     int x, y;
6420
6421     if (i == ED_TEXTINPUT_ID_ELEMENT_NAME)
6422     {
6423       int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
6424       int border_size = gd->border_size;
6425       int font_nr = FONT_INPUT_1;
6426       int font_height = getFontHeight(font_nr);
6427       int xoffset = element_border + TILEX + element_border + 3 * border_size;
6428       int yoffset = element_border + (TILEY - font_height) / 2;
6429
6430       x = (editor.settings.element_name.x != -1 ?
6431            editor.settings.element_name.x :
6432            editor.settings.element_graphic.x + xoffset) - border_size;
6433       y = (editor.settings.element_name.y != -1 ?
6434            editor.settings.element_name.y :
6435            editor.settings.element_graphic.y + yoffset) - border_size;
6436     }
6437     else
6438     {
6439       x = ED_SETTINGS_X(textinput_info[i].x);
6440       y = ED_SETTINGS_Y(textinput_info[i].y);
6441     }
6442
6443     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6444
6445     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
6446     infotext[max_infotext_len] = '\0';
6447
6448     gi = CreateGadget(GDI_CUSTOM_ID, id,
6449                       GDI_CUSTOM_TYPE_ID, i,
6450                       GDI_INFO_TEXT, infotext,
6451                       GDI_X, SX + x,
6452                       GDI_Y, SY + y,
6453                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
6454                       GDI_TEXT_VALUE, textinput_info[i].value,
6455                       GDI_TEXT_SIZE, textinput_info[i].size,
6456                       GDI_TEXT_FONT, FONT_INPUT_1,
6457                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6458                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6459                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6460                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6461                       GDI_DESIGN_WIDTH, gd->width,
6462                       GDI_EVENT_MASK, event_mask,
6463                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6464                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
6465                       GDI_END);
6466
6467     if (gi == NULL)
6468       Error(ERR_EXIT, "cannot create gadget");
6469
6470     level_editor_gadget[id] = gi;
6471   }
6472 }
6473
6474 static void CreateTextAreaGadgets()
6475 {
6476   int max_infotext_len = getMaxInfoTextLength();
6477   int i;
6478
6479   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
6480   {
6481     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXTAREA];
6482     int gd_x1 = gd->src_x;
6483     int gd_y1 = gd->src_y;
6484     int gd_x2 = gd->src_x + gd->active_xoffset;
6485     int gd_y2 = gd->src_y + gd->active_yoffset;
6486     struct GadgetInfo *gi;
6487     unsigned int event_mask;
6488     char infotext[MAX_OUTPUT_LINESIZE + 1];
6489     int id = textarea_info[i].gadget_id;
6490     int area_xsize = textarea_info[i].xsize;
6491     int area_ysize = textarea_info[i].ysize;
6492
6493     event_mask = GD_EVENT_TEXT_LEAVING;
6494
6495     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
6496     infotext[max_infotext_len] = '\0';
6497
6498     gi = CreateGadget(GDI_CUSTOM_ID, id,
6499                       GDI_CUSTOM_TYPE_ID, i,
6500                       GDI_INFO_TEXT, infotext,
6501                       GDI_X, SX + ED_SETTINGS_X(textarea_info[i].x),
6502                       GDI_Y, SY + ED_SETTINGS_Y(textarea_info[i].y),
6503                       GDI_TYPE, GD_TYPE_TEXT_AREA,
6504                       GDI_AREA_SIZE, area_xsize, area_ysize,
6505                       GDI_TEXT_FONT, FONT_INPUT_1,
6506                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6507                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6508                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6509                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6510                       GDI_DESIGN_WIDTH, gd->width,
6511                       GDI_EVENT_MASK, event_mask,
6512                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6513                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
6514                       GDI_END);
6515
6516     if (gi == NULL)
6517       Error(ERR_EXIT, "cannot create gadget");
6518
6519     level_editor_gadget[id] = gi;
6520   }
6521 }
6522
6523 static void CreateSelectboxGadgets()
6524 {
6525   int max_infotext_len = getMaxInfoTextLength();
6526   int i, j;
6527
6528   for (i = 0; i < ED_NUM_SELECTBOX; i++)
6529   {
6530     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_SELECTBOX_INPUT];
6531     struct GraphicInfo *gd2 = &graphic_info[IMG_EDITOR_SELECTBOX_BUTTON];
6532     int gd_x1 = gd->src_x;
6533     int gd_y1 = gd->src_y;
6534     int gd_x2 = gd->src_x + gd->active_xoffset;
6535     int gd_y2 = gd->src_y + gd->active_yoffset;
6536     int selectbox_button_xsize = gd2->width;
6537     struct GadgetInfo *gi;
6538     unsigned int event_mask;
6539     char infotext[MAX_OUTPUT_LINESIZE + 1];
6540     int id = selectbox_info[i].gadget_id;
6541     int x = SX + ED_SETTINGS_X(selectbox_info[i].x);
6542     int y = SY + ED_SETTINGS_Y(selectbox_info[i].y);
6543
6544     if (selectbox_info[i].size == -1)   /* dynamically determine size */
6545     {
6546       /* (we cannot use -1 for uninitialized values if we directly compare
6547          with results from strlen(), because the '<' and '>' operation will
6548          implicitely cast -1 to an unsigned integer value!) */
6549       selectbox_info[i].size = 0;
6550
6551       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
6552         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
6553           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
6554
6555       selectbox_info[i].size++;         /* add one character empty space */
6556     }
6557
6558     event_mask = GD_EVENT_RELEASED |
6559       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6560
6561     /* determine horizontal position to the right of specified gadget */
6562     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
6563       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
6564            ED_GADGET_TEXT_DISTANCE);
6565
6566     /* determine horizontal offset for leading text */
6567     if (selectbox_info[i].text_left != NULL)
6568       x += getTextWidthForGadget(selectbox_info[i].text_left);
6569
6570     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
6571     infotext[max_infotext_len] = '\0';
6572
6573     gi = CreateGadget(GDI_CUSTOM_ID, id,
6574                       GDI_CUSTOM_TYPE_ID, i,
6575                       GDI_INFO_TEXT, infotext,
6576                       GDI_X, x,
6577                       GDI_Y, y,
6578                       GDI_TYPE, GD_TYPE_SELECTBOX,
6579                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
6580                       GDI_SELECTBOX_CHAR_UNSELECTABLE, '[',
6581                       GDI_TEXT_SIZE, selectbox_info[i].size,
6582                       GDI_TEXT_FONT, FONT_INPUT_1,
6583                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6584                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
6585                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6586                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6587                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6588                       GDI_BORDER_SIZE_SELECTBUTTON, selectbox_button_xsize,
6589                       GDI_DESIGN_WIDTH, gd->width,
6590                       GDI_EVENT_MASK, event_mask,
6591                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6592                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
6593                       GDI_END);
6594
6595     if (gi == NULL)
6596       Error(ERR_EXIT, "cannot create gadget");
6597
6598     level_editor_gadget[id] = gi;
6599     right_gadget_border[id] =
6600       getRightGadgetBorder(gi, selectbox_info[i].text_right);
6601   }
6602 }
6603
6604 static void CreateTextbuttonGadgets()
6605 {
6606   int max_infotext_len = getMaxInfoTextLength();
6607   int i;
6608
6609   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
6610   {
6611     int id = textbutton_info[i].gadget_id;
6612     int is_tab_button =
6613       ((id >= GADGET_ID_LEVELINFO_LEVEL && id <= GADGET_ID_LEVELINFO_EDITOR) ||
6614        (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE));
6615     int graphic =
6616       (is_tab_button ? IMG_EDITOR_TABBUTTON : IMG_EDITOR_TEXTBUTTON);
6617     int gadget_distance =
6618       (is_tab_button ? ED_GADGET_SMALL_DISTANCE : ED_GADGET_TEXT_DISTANCE);
6619     struct GraphicInfo *gd = &graphic_info[graphic];
6620     int gd_x1 = gd->src_x;
6621     int gd_y1 = gd->src_y;
6622     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6623     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6624     int gd_x1a = gd->src_x + gd->active_xoffset;
6625     int gd_y1a = gd->src_y + gd->active_yoffset;
6626     int border_xsize = gd->border_size + gd->draw_xoffset;
6627     int border_ysize = gd->border_size;
6628     struct GadgetInfo *gi;
6629     unsigned int event_mask;
6630     char infotext[MAX_OUTPUT_LINESIZE + 1];
6631     int x = SX + ED_SETTINGS_X(textbutton_info[i].x);
6632     int y = SY + ED_SETTINGS_Y(textbutton_info[i].y);
6633
6634     if (textbutton_info[i].size == -1)  /* dynamically determine size */
6635       textbutton_info[i].size = strlen(textbutton_info[i].text);
6636
6637     event_mask = GD_EVENT_RELEASED;
6638
6639     sprintf(infotext, "%s", textbutton_info[i].infotext);
6640     infotext[max_infotext_len] = '\0';
6641
6642     /* determine horizontal position to the right of specified gadget */
6643     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6644     {
6645       int gadget_id_align = textbutton_info[i].gadget_id_align;
6646
6647       x = right_gadget_border[gadget_id_align] + gadget_distance;
6648
6649       if (textbutton_info[i].y == -1)
6650         y = level_editor_gadget[gadget_id_align]->y;
6651     }
6652
6653     /* determine horizontal offset for leading text */
6654     if (textbutton_info[i].text_left != NULL)
6655       x += getTextWidthForGadget(textbutton_info[i].text_left);
6656
6657     gi = CreateGadget(GDI_CUSTOM_ID, id,
6658                       GDI_CUSTOM_TYPE_ID, i,
6659                       GDI_INFO_TEXT, infotext,
6660                       GDI_X, x,
6661                       GDI_Y, y,
6662                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
6663                       GDI_TEXT_VALUE, textbutton_info[i].text,
6664                       GDI_TEXT_SIZE, textbutton_info[i].size,
6665                       GDI_TEXT_FONT, FONT_INPUT_2,
6666                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2_ACTIVE,
6667                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6668                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6669                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6670                       GDI_BORDER_SIZE, border_xsize, border_ysize,
6671                       GDI_DESIGN_WIDTH, gd->width,
6672                       GDI_DECORATION_SHIFTING, 1, 1,
6673                       GDI_EVENT_MASK, event_mask,
6674                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6675                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
6676                       GDI_END);
6677
6678     if (gi == NULL)
6679       Error(ERR_EXIT, "cannot create gadget");
6680
6681     level_editor_gadget[id] = gi;
6682     right_gadget_border[id] =
6683       getRightGadgetBorder(gi, textbutton_info[i].text_right);
6684   }
6685 }
6686
6687 static void CreateGraphicbuttonGadgets()
6688 {
6689   struct GadgetInfo *gi;
6690   unsigned int event_mask;
6691   int i;
6692
6693   /* create buttons for scrolling of drawing area and element list */
6694   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
6695   {
6696     int id = graphicbutton_info[i].gadget_id;
6697     int x = SX + ED_SETTINGS_X(graphicbutton_info[i].x);
6698     int y = SY + ED_SETTINGS_Y(graphicbutton_info[i].y);
6699     struct GraphicInfo *gd = &graphic_info[graphicbutton_info[i].graphic];
6700     int gd_x1 = gd->src_x;
6701     int gd_y1 = gd->src_y;
6702     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6703     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6704
6705     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6706
6707     /* determine horizontal position to the right of specified gadget */
6708     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6709       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
6710            ED_GADGET_TEXT_DISTANCE);
6711
6712     /* determine horizontal offset for leading text */
6713     if (graphicbutton_info[i].text_left != NULL)
6714       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
6715
6716     gi = CreateGadget(GDI_CUSTOM_ID, id,
6717                       GDI_CUSTOM_TYPE_ID, i,
6718                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
6719                       GDI_X, x,
6720                       GDI_Y, y,
6721                       GDI_WIDTH, gd->width,
6722                       GDI_HEIGHT, gd->height,
6723                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6724                       GDI_STATE, GD_BUTTON_UNPRESSED,
6725                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6726                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6727                       GDI_EVENT_MASK, event_mask,
6728                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6729                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
6730                       GDI_END);
6731
6732     if (gi == NULL)
6733       Error(ERR_EXIT, "cannot create gadget");
6734
6735     level_editor_gadget[id] = gi;
6736     right_gadget_border[id] =
6737       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
6738   }
6739 }
6740
6741 static void CreateScrollbarGadgets()
6742 {
6743   int i;
6744
6745   /* these values are not constant, but can change at runtime */
6746   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
6747     SX + ED_SCROLL_HORIZONTAL_XPOS;
6748   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
6749     SY + ED_SCROLL_HORIZONTAL_YPOS;
6750   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
6751     ED_SCROLL_HORIZONTAL_XSIZE;
6752   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
6753     ED_SCROLL_HORIZONTAL_YSIZE;
6754   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
6755   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
6756   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
6757   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
6758
6759   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
6760     SX + ED_SCROLL_VERTICAL_XPOS;
6761   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
6762     SY + ED_SCROLL_VERTICAL_YPOS;
6763   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
6764     ED_SCROLL_VERTICAL_XSIZE;
6765   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
6766     ED_SCROLL_VERTICAL_YSIZE;
6767   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
6768   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
6769   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
6770   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
6771
6772   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
6773     PX + ED_SCROLL2_VERTICAL_XPOS;
6774   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
6775     PY + ED_SCROLL2_VERTICAL_YPOS;
6776   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
6777     ED_SCROLL2_VERTICAL_XSIZE;
6778   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
6779     ED_SCROLL2_VERTICAL_YSIZE;
6780   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = PX;
6781   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = PY;
6782   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = PXSIZE;
6783   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = PYSIZE;
6784
6785   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
6786   {
6787     int id = scrollbar_info[i].gadget_id;
6788     int graphic = scrollbar_info[i].graphic;
6789     struct GraphicInfo *gd = &graphic_info[graphic];
6790     int gd_x1 = gd->src_x;
6791     int gd_y1 = gd->src_y;
6792     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6793     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6794     struct GadgetInfo *gi;
6795     int items_max, items_visible, item_position;
6796     unsigned int event_mask;
6797
6798     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
6799     {
6800       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
6801       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
6802       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
6803     }
6804     else        /* drawing area scrollbars */
6805     {
6806       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
6807       {
6808         items_max = MAX(lev_fieldx + 2, ed_fieldx);
6809         items_visible = ed_fieldx;
6810         item_position = 0;
6811       }
6812       else
6813       {
6814         items_max = MAX(lev_fieldy + 2, ed_fieldy);
6815         items_visible = ed_fieldy;
6816         item_position = 0;
6817       }
6818     }
6819
6820     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
6821
6822     gi = CreateGadget(GDI_CUSTOM_ID, id,
6823                       GDI_CUSTOM_TYPE_ID, i,
6824                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
6825                       GDI_X, scrollbar_pos[i].x,
6826                       GDI_Y, scrollbar_pos[i].y,
6827                       GDI_WIDTH, scrollbar_pos[i].width,
6828                       GDI_HEIGHT, scrollbar_pos[i].height,
6829                       GDI_TYPE, scrollbar_info[i].type,
6830                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
6831                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
6832                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
6833                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
6834                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
6835                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
6836                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
6837                       GDI_STATE, GD_BUTTON_UNPRESSED,
6838                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6839                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6840                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6841                       GDI_EVENT_MASK, event_mask,
6842                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6843                       GDI_CALLBACK_ACTION, HandleControlButtons,
6844                       GDI_END);
6845
6846     if (gi == NULL)
6847       Error(ERR_EXIT, "cannot create gadget");
6848
6849     level_editor_gadget[id] = gi;
6850   }
6851 }
6852
6853 static void CreateCheckbuttonGadgets()
6854 {
6855   struct GadgetInfo *gi;
6856   unsigned int event_mask;
6857   int i;
6858
6859   event_mask = GD_EVENT_PRESSED;
6860
6861   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
6862   {
6863     int id = checkbutton_info[i].gadget_id;
6864     int graphic = (id == GADGET_ID_STICK_ELEMENT ? IMG_EDITOR_STICKYBUTTON :
6865                    IMG_EDITOR_CHECKBOX);
6866     struct GraphicInfo *gd = &graphic_info[graphic];
6867     int gd_x1 = gd->src_x;
6868     int gd_y1 = gd->src_y;
6869     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6870     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6871     int gd_x1a = gd->src_x + gd->active_xoffset;
6872     int gd_y1a = gd->src_y + gd->active_yoffset;
6873     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
6874     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
6875     int x = SX + ED_SETTINGS_X(checkbutton_info[i].x);
6876     int y = SY + ED_SETTINGS_Y(checkbutton_info[i].y);
6877
6878     /* determine horizontal position to the right of specified gadget */
6879     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6880       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
6881            ED_GADGET_TEXT_DISTANCE);
6882
6883     /* determine horizontal offset for leading text */
6884     if (checkbutton_info[i].text_left != NULL)
6885       x += getTextWidthForGadget(checkbutton_info[i].text_left);
6886
6887     gi = CreateGadget(GDI_CUSTOM_ID, id,
6888                       GDI_CUSTOM_TYPE_ID, i,
6889                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
6890                       GDI_X, x,
6891                       GDI_Y, y,
6892                       GDI_WIDTH, gd->width,
6893                       GDI_HEIGHT, gd->height,
6894                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
6895                       GDI_CHECKED, *checkbutton_info[i].value,
6896                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6897                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6898                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6899                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
6900                       GDI_EVENT_MASK, event_mask,
6901                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6902                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
6903                       GDI_END);
6904
6905     if (gi == NULL)
6906       Error(ERR_EXIT, "cannot create gadget");
6907
6908     level_editor_gadget[id] = gi;
6909     right_gadget_border[id] =
6910       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
6911   }
6912 }
6913
6914 static void CreateRadiobuttonGadgets()
6915 {
6916   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_RADIOBUTTON];
6917   int gd_x1 = gd->src_x;
6918   int gd_y1 = gd->src_y;
6919   int gd_x2 = gd->src_x + gd->pressed_xoffset;
6920   int gd_y2 = gd->src_y + gd->pressed_yoffset;
6921   int gd_x1a = gd->src_x + gd->active_xoffset;
6922   int gd_y1a = gd->src_y + gd->active_yoffset;
6923   int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
6924   int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
6925   struct GadgetInfo *gi;
6926   unsigned int event_mask;
6927   int i;
6928
6929   event_mask = GD_EVENT_PRESSED;
6930
6931   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
6932   {
6933     int id = radiobutton_info[i].gadget_id;
6934     int x = SX + ED_SETTINGS_X(radiobutton_info[i].x);
6935     int y = SY + ED_SETTINGS_Y(radiobutton_info[i].y);
6936
6937     int checked =
6938       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
6939
6940     /* determine horizontal position to the right of specified gadget */
6941     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
6942       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
6943            ED_GADGET_TEXT_DISTANCE);
6944
6945     /* determine horizontal offset for leading text */
6946     if (radiobutton_info[i].text_left != NULL)
6947       x += getTextWidthForGadget(radiobutton_info[i].text_left);
6948
6949     gi = CreateGadget(GDI_CUSTOM_ID, id,
6950                       GDI_CUSTOM_TYPE_ID, i,
6951                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
6952                       GDI_X, x,
6953                       GDI_Y, y,
6954                       GDI_WIDTH, gd->width,
6955                       GDI_HEIGHT, gd->height,
6956                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
6957                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
6958                       GDI_CHECKED, checked,
6959                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6960                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6961                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6962                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
6963                       GDI_EVENT_MASK, event_mask,
6964                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6965                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
6966                       GDI_END);
6967
6968     if (gi == NULL)
6969       Error(ERR_EXIT, "cannot create gadget");
6970
6971     level_editor_gadget[id] = gi;
6972     right_gadget_border[id] =
6973       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
6974   }
6975 }
6976
6977 void CreateLevelEditorGadgets()
6978 {
6979   /* force EDITOR font inside level editor */
6980   SetFontStatus(GAME_MODE_EDITOR);
6981
6982   /* these values are not constant, but can change at runtime */
6983   ed_fieldx = MAX_ED_FIELDX - 1;
6984   ed_fieldy = MAX_ED_FIELDY - 1;
6985
6986   num_editor_gadgets = NUM_EDITOR_GADGETS;
6987
6988   // printf("::: allocating %d gadgets ...\n", num_editor_gadgets);
6989
6990   level_editor_gadget =
6991     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
6992   right_gadget_border =
6993     checked_calloc(num_editor_gadgets * sizeof(int));
6994
6995   editor_el_empty = checked_calloc(ED_NUM_ELEMENTLIST_BUTTONS * sizeof(int));
6996   editor_el_empty_ptr = editor_el_empty;
6997
6998   use_permanent_palette = !editor.palette.show_as_separate_screen;
6999
7000   ReinitializeElementList();
7001
7002   CreateControlButtons();
7003   CreateScrollbarGadgets();
7004
7005   /* order of function calls is important because of cross-references */
7006   CreateCheckbuttonGadgets();
7007   CreateCounterButtons();
7008   CreateRadiobuttonGadgets();
7009   CreateTextInputGadgets();
7010   CreateTextAreaGadgets();
7011   CreateSelectboxGadgets();
7012   CreateGraphicbuttonGadgets();
7013   CreateTextbuttonGadgets();
7014   CreateDrawingAreas();
7015
7016   ResetFontStatus();
7017 }
7018
7019 void FreeLevelEditorGadgets()
7020 {
7021   int i;
7022
7023   // printf("::: freeing %d gadgets ...\n", num_editor_gadgets);
7024
7025   for (i = 0; i < num_editor_gadgets; i++)
7026   {
7027     FreeGadget(level_editor_gadget[i]);
7028
7029     level_editor_gadget[i] = NULL;
7030   }
7031
7032   checked_free(level_editor_gadget);
7033   checked_free(right_gadget_border);
7034
7035   checked_free(editor_el_empty);
7036 }
7037
7038 static void MapCounterButtons(int id)
7039 {
7040   int font_nr = FONT_TEXT_1;
7041   int font_height = getFontHeight(font_nr);
7042   int gadget_id_down = counterbutton_info[id].gadget_id_down;
7043   int gadget_id_text = counterbutton_info[id].gadget_id_text;
7044   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
7045   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
7046   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
7047   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
7048   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
7049   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7050   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7051   int yoffset = (gi_down->height - font_height) / 2;
7052   int x_left = gi_down->x - xoffset_left;
7053   int x_right;  /* set after gadget position was modified */
7054   int y_above = gi_down->y - yoffset_above;
7055   int x = gi_down->x;
7056   int y;        /* set after gadget position was modified */
7057
7058   /* counter limits must be changed first to prevent value truncation */
7059   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
7060                             counterbutton_info[id].max_value);
7061
7062   /* right text position might have changed after setting position above */
7063   x_right = gi_up->x + gi_up->width + xoffset_right;
7064
7065   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
7066
7067   /* set position for "value[1,2,3,4]" counter gadgets (score in most cases) */
7068   if (id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
7069       id <= ED_COUNTER_ID_ELEMENT_VALUE4)
7070   {
7071     ModifyGadget(gi_down, GDI_Y,
7072                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7073     ModifyGadget(gi_text, GDI_Y,
7074                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7075     ModifyGadget(gi_up,   GDI_Y,
7076                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7077   }
7078
7079   /* vertical position might have changed after setting position above */
7080   y = gi_up->y + yoffset;
7081
7082   if (counterbutton_info[id].text_above)
7083     DrawText(x, y_above, counterbutton_info[id].text_above, font_nr);
7084
7085   if (counterbutton_info[id].text_left)
7086     DrawText(x_left, y, counterbutton_info[id].text_left, font_nr);
7087
7088   if (counterbutton_info[id].text_right)
7089     DrawText(x_right, y, counterbutton_info[id].text_right, font_nr);
7090
7091   MapGadget(gi_down);
7092   MapGadget(gi_text);
7093   MapGadget(gi_up);
7094 }
7095
7096 static void MapControlButtons()
7097 {
7098   int counter_id;
7099   int i;
7100
7101   /* map toolbox buttons (excluding special CE toolbox buttons) */
7102   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
7103     MapGadget(level_editor_gadget[i]);
7104
7105   /* map toolbox buttons (element properties buttons) */
7106   for (i = ED_NUM_CTRL1_4_BUTTONS; i < ED_NUM_CTRL1_7_BUTTONS; i++)
7107     MapGadget(level_editor_gadget[i]);
7108
7109   if (use_permanent_palette)
7110   {
7111     /* map buttons to select elements */
7112     for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7113       MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
7114     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
7115     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
7116     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
7117   }
7118
7119   /* map buttons to select level */
7120   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
7121   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
7122   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
7123   MapCounterButtons(counter_id);
7124 }
7125
7126 static void MapDrawingArea(int id)
7127 {
7128   int font_nr = FONT_TEXT_1;
7129   int font_height = getFontHeight(font_nr);
7130   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7131   int area_xsize = gi->drawing.area_xsize;
7132   int area_ysize = gi->drawing.area_ysize;
7133   int xoffset_left = getTextWidthForDrawingArea(drawingarea_info[id].text_left);
7134   int xoffset_below = getTextWidth(drawingarea_info[id].text_below, font_nr);
7135   int x_left  = gi->x - xoffset_left;
7136   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
7137   int x_below = gi->x + (gi->width - xoffset_below) / 2;
7138   int y_side  = gi->y + (gi->height - font_height) / 2;
7139   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
7140
7141   if (drawingarea_info[id].text_left)
7142     DrawText(x_left, y_side, drawingarea_info[id].text_left, font_nr);
7143
7144   if (drawingarea_info[id].text_right)
7145     DrawText(x_right, y_side, drawingarea_info[id].text_right, font_nr);
7146
7147   if (drawingarea_info[id].text_below)
7148     DrawText(x_below, y_below, drawingarea_info[id].text_below, font_nr);
7149
7150   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
7151   {
7152     DrawElementBorder(gi->x, gi->y,
7153                       area_xsize * ED_DRAWINGAREA_TILE_SIZE,
7154                       area_ysize * ED_DRAWINGAREA_TILE_SIZE, TRUE);
7155
7156     DrawDrawingArea(id);
7157   }
7158
7159   MapGadget(gi);
7160 }
7161
7162 static void MapTextInputGadget(int id)
7163 {
7164   int font_nr = FONT_TEXT_1;
7165   int font_height = getFontHeight(font_nr);
7166   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
7167   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7168   int x_above = ED_SETTINGS_X(textinput_info[id].x);
7169   int y_above = ED_SETTINGS_Y(textinput_info[id].y) - yoffset_above;
7170
7171   if (textinput_info[id].text_above)
7172     DrawTextS(x_above, y_above, font_nr, textinput_info[id].text_above);
7173
7174   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
7175
7176   MapGadget(gi);
7177 }
7178
7179 static void MapTextAreaGadget(int id)
7180 {
7181   int font_nr = FONT_TEXT_1;
7182   int font_height = getFontHeight(font_nr);
7183   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
7184   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7185   int x_above = ED_SETTINGS_X(textarea_info[id].x);
7186   int y_above = ED_SETTINGS_Y(textarea_info[id].y) - yoffset_above;
7187
7188   if (textarea_info[id].text_above)
7189     DrawTextS(x_above, y_above, font_nr, textarea_info[id].text_above);
7190
7191   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
7192
7193   MapGadget(gi);
7194 }
7195
7196 static void MapSelectboxGadget(int id)
7197 {
7198   int font_nr = FONT_TEXT_1;
7199   int font_height = getFontHeight(font_nr);
7200   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
7201   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
7202   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7203   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7204   int yoffset = (gi->height - font_height) / 2;
7205   int x_left = gi->x - xoffset_left;
7206   int x_right = gi->x + gi->width + xoffset_right;
7207   int y_above = gi->y - yoffset_above;
7208   int x = gi->x;
7209   int y = gi->y + yoffset;
7210
7211   if (selectbox_info[id].text_above)
7212     DrawText(x, y_above, selectbox_info[id].text_above, font_nr);
7213
7214   if (selectbox_info[id].text_left)
7215     DrawText(x_left, y, selectbox_info[id].text_left, font_nr);
7216
7217   if (selectbox_info[id].text_right)
7218     DrawText(x_right, y, selectbox_info[id].text_right, font_nr);
7219
7220   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
7221
7222   MapGadget(gi);
7223 }
7224
7225 static void MapTextbuttonGadget(int id)
7226 {
7227   int font_nr = FONT_TEXT_1;
7228   int font_height = getFontHeight(font_nr);
7229   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
7230   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
7231   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7232   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7233   int yoffset = (gi->height - font_height) / 2;
7234   int x_left = gi->x - xoffset_left;
7235   int x_right = gi->x + gi->width + xoffset_right;
7236   int y_above = gi->y - yoffset_above;
7237   int x = gi->x;
7238   int y = gi->y + yoffset;
7239
7240   /* only show button to delete change pages when more than minimum pages */
7241   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
7242       custom_element.num_change_pages == MIN_CHANGE_PAGES)
7243     return;
7244
7245   if (textbutton_info[id].text_above)
7246     DrawText(x, y_above, textbutton_info[id].text_above, font_nr);
7247
7248   if (textbutton_info[id].text_left)
7249     DrawText(x_left, y, textbutton_info[id].text_left, font_nr);
7250
7251   if (textbutton_info[id].text_right)
7252     DrawText(x_right, y, textbutton_info[id].text_right, font_nr);
7253
7254   MapGadget(gi);
7255 }
7256
7257 static void MapGraphicbuttonGadget(int id)
7258 {
7259   int font_nr = FONT_TEXT_1;
7260   int font_height = getFontHeight(font_nr);
7261   struct GadgetInfo *gi= level_editor_gadget[graphicbutton_info[id].gadget_id];
7262   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
7263   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7264   int yoffset = (gi->height - font_height) / 2;
7265   int x_left = gi->x - xoffset_left;
7266   int x_right = gi->x + gi->width + xoffset_right;
7267   int y = gi->y + yoffset;
7268
7269   if (graphicbutton_info[id].text_left)
7270     DrawText(x_left, y, graphicbutton_info[id].text_left, font_nr);
7271
7272   if (graphicbutton_info[id].text_right)
7273     DrawText(x_right, y, graphicbutton_info[id].text_right, font_nr);
7274
7275   MapGadget(gi);
7276 }
7277
7278 static void MapRadiobuttonGadget(int id)
7279 {
7280   int font_nr = FONT_TEXT_1;
7281   int font_height = getFontHeight(font_nr);
7282   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
7283   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
7284   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7285   int yoffset = (gi->height - font_height) / 2;
7286   int x_left = gi->x - xoffset_left;
7287   int x_right = gi->x + gi->width + xoffset_right;
7288   int y = gi->y + yoffset;
7289   boolean checked =
7290     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
7291
7292   if (radiobutton_info[id].text_left)
7293     DrawText(x_left, y, radiobutton_info[id].text_left, font_nr);
7294
7295   if (radiobutton_info[id].text_right)
7296     DrawText(x_right, y, radiobutton_info[id].text_right, font_nr);
7297
7298   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
7299
7300   MapGadget(gi);
7301 }
7302
7303 static void MapCheckbuttonGadget(int id)
7304 {
7305   int font_nr = FONT_TEXT_1;
7306   int font_height = getFontHeight(font_nr);
7307   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
7308   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
7309   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7310   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7311   int yoffset = (gi->height - font_height) / 2;
7312   int y_above = gi->y - yoffset_above;
7313   int x = gi->x;
7314   int x_left, x_right, y;       /* set after gadget position was modified */
7315
7316   /* set position for gadgets with dynamically determined position */
7317   if (checkbutton_info[id].x != -1)     /* do not change dynamic positions */
7318     ModifyGadget(gi, GDI_X, SX + ED_SETTINGS_X(checkbutton_info[id].x),GDI_END);
7319   ModifyGadget(gi, GDI_Y, SY + ED_SETTINGS_Y(checkbutton_info[id].y), GDI_END);
7320
7321   x_left = gi->x - xoffset_left;
7322   x_right = gi->x + gi->width + xoffset_right;
7323   y = gi->y + yoffset;
7324
7325   if (checkbutton_info[id].text_above)
7326     DrawText(x, y_above, checkbutton_info[id].text_above, font_nr);
7327
7328   if (checkbutton_info[id].text_left)
7329     DrawText(x_left, y, checkbutton_info[id].text_left, font_nr);
7330
7331   if (checkbutton_info[id].text_right)
7332     DrawText(x_right, y, checkbutton_info[id].text_right, font_nr);
7333
7334   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
7335
7336   MapGadget(gi);
7337 }
7338
7339 static void MapMainDrawingArea()
7340 {
7341   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
7342   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
7343   int i;
7344
7345   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
7346   {
7347     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
7348           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
7349          no_horizontal_scrollbar) ||
7350         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
7351           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
7352          no_vertical_scrollbar))
7353       continue;
7354
7355     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
7356   }
7357
7358   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
7359   {
7360     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
7361         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
7362       continue;
7363
7364     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
7365   }
7366
7367   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
7368 }
7369
7370 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
7371 {
7372   int i;
7373
7374   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
7375   {
7376     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
7377         i == GADGET_ID_CUSTOM_COPY_TO ||
7378         i == GADGET_ID_CUSTOM_EXCHANGE ||
7379         i == GADGET_ID_CUSTOM_COPY ||
7380         i == GADGET_ID_CUSTOM_PASTE)
7381     {
7382       if (map)
7383         MapGadget(level_editor_gadget[i]);
7384       else
7385         UnmapGadget(level_editor_gadget[i]);
7386     }
7387   }
7388 }
7389
7390 static void MapLevelEditorToolboxCustomGadgets()
7391 {
7392   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
7393 }
7394
7395 static void UnmapLevelEditorToolboxCustomGadgets()
7396 {
7397   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
7398 }
7399
7400 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
7401 {
7402   int i;
7403
7404   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
7405   {
7406     if (i != GADGET_ID_SINGLE_ITEMS &&
7407         i != GADGET_ID_PICK_ELEMENT)
7408     {
7409       struct GadgetInfo *gi = level_editor_gadget[i];
7410
7411       if (map)
7412       {
7413         MapGadget(gi);
7414       }
7415       else
7416       {
7417         int graphic = IMG_EDITOR_NO_TOOLBOX_BUTTON;
7418         struct GraphicInfo *gd = &graphic_info[graphic];
7419
7420         UnmapGadget(gi);
7421
7422         BlitBitmap(gd->bitmap, drawto, gd->src_x, gd->src_y,
7423                    gi->width, gi->height, gi->x, gi->y);
7424
7425         redraw_mask |= REDRAW_DOOR_3;
7426       }
7427     }
7428   }
7429 }
7430
7431 static void MapLevelEditorToolboxDrawingGadgets()
7432 {
7433   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
7434 }
7435
7436 static void UnmapLevelEditorToolboxDrawingGadgets()
7437 {
7438   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
7439 }
7440
7441 static void UnmapDrawingArea(int id)
7442 {
7443   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
7444 }
7445
7446 static void UnmapLevelEditorFieldGadgets()
7447 {
7448   int i;
7449
7450   for (i = 0; i < num_editor_gadgets; i++)
7451     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
7452                           level_editor_gadget[i]->y))
7453       UnmapGadget(level_editor_gadget[i]);
7454 }
7455
7456 void UnmapLevelEditorGadgets()
7457 {
7458   int i;
7459
7460   for (i = 0; i < num_editor_gadgets; i++)
7461     UnmapGadget(level_editor_gadget[i]);
7462 }
7463
7464 static void ResetUndoBuffer()
7465 {
7466   undo_buffer_position = -1;
7467   undo_buffer_steps = -1;
7468   redo_buffer_steps = 0;
7469
7470   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
7471
7472   level.changed = FALSE;
7473 }
7474
7475 static void DrawEditModeWindow()
7476 {
7477   ModifyEditorElementList();
7478   RedrawDrawingElements();
7479
7480   if (edit_mode == ED_MODE_INFO)
7481     DrawLevelInfoWindow();
7482   else if (edit_mode == ED_MODE_PROPERTIES)
7483     DrawPropertiesWindow();
7484   else if (edit_mode == ED_MODE_PALETTE)
7485     DrawPaletteWindow();
7486   else  /* edit_mode == ED_MODE_DRAWING */
7487     DrawDrawingWindow();
7488 }
7489
7490 static void ChangeEditModeWindow(int new_edit_mode)
7491 {
7492   edit_mode = (new_edit_mode != edit_mode ? new_edit_mode : ED_MODE_DRAWING);
7493
7494   DrawEditModeWindow();
7495 }
7496
7497 static boolean LevelChanged()
7498 {
7499   boolean field_changed = FALSE;
7500   int x, y;
7501
7502   for (y = 0; y < lev_fieldy; y++)
7503     for (x = 0; x < lev_fieldx; x++)
7504       if (Feld[x][y] != level.field[x][y])
7505         field_changed = TRUE;
7506
7507   return (level.changed || field_changed);
7508 }
7509
7510 static boolean PrepareSavingIntoPersonalLevelSet()
7511 {
7512   static LevelDirTree *last_copied_leveldir = NULL;
7513   static LevelDirTree *last_written_leveldir = NULL;
7514   static int last_copied_level_nr = -1;
7515   static int last_written_level_nr = -1;
7516   LevelDirTree *leveldir_former = leveldir_current;
7517   int level_nr_former = level_nr;
7518   int new_level_nr;
7519
7520   // remember last mod/save so that for current session, we write
7521   // back to the same personal copy, asking only about overwrite.
7522   if (leveldir_current == last_copied_leveldir &&
7523       level_nr == last_copied_level_nr)
7524   {
7525     // "cd" to personal level set dir (as used when writing last copy)
7526     leveldir_current = last_written_leveldir;
7527     level_nr = last_written_level_nr;
7528
7529     return TRUE;
7530   }
7531
7532   if (!Request("This level is read only! "
7533                "Save into personal level set?", REQ_ASK))
7534     return FALSE;
7535
7536   // "cd" to personal level set dir (for writing copy the first time)
7537   leveldir_current =
7538     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
7539
7540   // find unused level number
7541   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
7542   {
7543     static char *level_filename = NULL;
7544
7545     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
7546
7547     if (!fileExists(level_filename))
7548       break;
7549   }
7550
7551   last_copied_leveldir = leveldir_former;
7552   last_copied_level_nr = level_nr_former;
7553
7554   last_written_leveldir = leveldir_current;
7555   last_written_level_nr = level_nr = new_level_nr;
7556
7557   return TRUE;
7558 }
7559
7560 static void ModifyLevelInfoForSavingIntoPersonalLevelSet(char *former_name)
7561 {
7562   static char *filename_levelinfo = NULL, *mod_name = NULL;
7563   FILE *file;
7564
7565   // annotate this copy-and-mod in personal levelinfo.conf
7566   setString(&filename_levelinfo,
7567             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
7568
7569   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
7570   {
7571     fprintf(file, "\n");
7572     fprintf(file, "# level %d was modified from:\n", level_nr);
7573     fprintf(file, "# - previous level set name:    %s\n",
7574             former_name);
7575     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
7576             level.file_info.nr, level.name);
7577     fprintf(file, "# - previous author:            %s\n",
7578             level.author);
7579     fprintf(file, "# - previous save date:         ");
7580
7581     if (level.creation_date.src == DATE_SRC_LEVELFILE)
7582     {
7583       fprintf(file, "%04d-%02d-%02d\n",
7584               level.creation_date.year,
7585               level.creation_date.month,
7586               level.creation_date.day);
7587     }
7588     else
7589     {
7590       fprintf(file, "not recorded\n");
7591     }
7592
7593     fclose(file);
7594   }
7595
7596   if (level_nr > leveldir_current->last_level)
7597     UpdateUserLevelSet(getLoginName(), NULL, NULL, level_nr + 9);
7598
7599   // else: allow the save even if annotation failed
7600
7601   // now... spray graffiti on the old level vital statistics
7602   // user can change these; just trying to set a good baseline
7603
7604   // don't truncate names for fear of making offensive or silly:
7605   // long-named original author only recorded in levelinfo.conf.
7606   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
7607   if (!strEqual(level.author, leveldir_current->author))
7608   {
7609     setString(&mod_name, getStringCat3(leveldir_current->author,
7610                                        " after ", level.author));
7611
7612     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7613       setString(&mod_name,
7614                 getStringCat2(leveldir_current->author, " (ed.)"));
7615
7616     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7617       setString(&mod_name, leveldir_current->author);
7618
7619     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
7620
7621     // less worried about truncation here
7622     setString(&mod_name, getStringCat2("Mod: ", level.name));
7623     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
7624   }
7625 }
7626
7627 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
7628                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
7629 {
7630   int x, y;
7631
7632   for (x = 0; x < lev_fieldx; x++)
7633     for (y = 0; y < lev_fieldy; y++)
7634       dst[x][y] = src[x][y];
7635 }
7636
7637 static int setSelectboxValue(int selectbox_id, int new_value)
7638 {
7639   int new_index_value = 0;
7640   int i;
7641
7642   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
7643     if (selectbox_info[selectbox_id].options[i].value == new_value)
7644       new_index_value = i;
7645
7646   *selectbox_info[selectbox_id].value =
7647     selectbox_info[selectbox_id].options[new_index_value].value;
7648
7649   return new_index_value;
7650 }
7651
7652 static void setSelectboxSpecialActionVariablesIfNeeded()
7653 {
7654   int i;
7655
7656   /* change action mode and arg variables according to action type variable */
7657   for (i = 0; action_arg_options[i].value != -1; i++)
7658   {
7659     if (action_arg_options[i].value == custom_element_change.action_type)
7660     {
7661       int mode = action_arg_options[i].mode;
7662
7663       /* only change if corresponding selectbox has changed */
7664       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
7665           action_arg_modes[mode])
7666         custom_element_change.action_mode = -1;
7667
7668       /* only change if corresponding selectbox has changed */
7669       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
7670           action_arg_options[i].options)
7671         custom_element_change.action_arg = -1;
7672
7673       break;
7674     }
7675   }
7676 }
7677
7678 static void setSelectboxSpecialActionOptions()
7679 {
7680   int i;
7681
7682   /* change action mode and arg selectbox according to action type selectbox */
7683   for (i = 0; action_arg_options[i].value != -1; i++)
7684   {
7685     if (action_arg_options[i].value == custom_element_change.action_type)
7686     {
7687       int mode = action_arg_options[i].mode;
7688
7689       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
7690                                    action_arg_modes[mode]);
7691       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
7692                                  custom_element_change.action_mode);
7693
7694       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
7695                                    action_arg_options[i].options);
7696       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
7697                                  custom_element_change.action_arg);
7698       break;
7699     }
7700   }
7701 }
7702
7703 static void copy_custom_element_settings(int element_from, int element_to)
7704 {
7705   struct ElementInfo *ei_from = &element_info[element_from];
7706   struct ElementInfo *ei_to = &element_info[element_to];
7707
7708   copyElementInfo(ei_from, ei_to);
7709 }
7710
7711 static void replace_custom_element_in_settings(int element_from,
7712                                                int element_to)
7713 {
7714   int i, j, x, y;
7715
7716   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7717   {
7718     struct ElementInfo *ei = &element_info[i];
7719
7720     for (y = 0; y < 3; y++)
7721       for (x = 0; x < 3; x++)
7722         if (ei->content.e[x][y] == element_from)
7723           ei->content.e[x][y] = element_to;
7724
7725     for (j = 0; j < ei->num_change_pages; j++)
7726     {
7727       struct ElementChangeInfo *change = &ei->change_page[j];
7728
7729       if (change->target_element == element_from)
7730         change->target_element = element_to;
7731
7732       if (change->initial_trigger_element == element_from)
7733         change->initial_trigger_element = element_to;
7734
7735       if (change->action_element == element_from)
7736         change->action_element = element_to;
7737
7738       for (y = 0; y < 3; y++)
7739         for (x = 0; x < 3; x++)
7740           if (change->target_content.e[x][y] == element_from)
7741             change->target_content.e[x][y] = element_to;
7742     }
7743
7744     if (ei->group != NULL)                              /* group or internal */
7745       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
7746         if (ei->group->element[j] == element_from)
7747           ei->group->element[j] = element_to;
7748   }
7749 }
7750
7751 static void replace_custom_element_in_playfield(int element_from,
7752                                                 int element_to)
7753 {
7754   int x, y;
7755
7756   for (x = 0; x < lev_fieldx; x++)
7757     for (y = 0; y < lev_fieldy; y++)
7758       if (Feld[x][y] == element_from)
7759         Feld[x][y] = element_to;
7760 }
7761
7762 static boolean CopyCustomElement(int element_old, int element_new,
7763                                  int copy_mode)
7764 {
7765   int copy_mode_orig = copy_mode;
7766
7767   if (copy_mode == GADGET_ID_CUSTOM_COPY)
7768   {
7769     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
7770                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
7771     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
7772   }
7773   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
7774   {
7775     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
7776                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
7777     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
7778
7779     level.changed = TRUE;
7780   }
7781   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
7782   {
7783     Request("Please choose custom element!", REQ_CONFIRM);
7784
7785     return FALSE;
7786   }
7787   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
7788   {
7789     Request("Please choose group element!", REQ_CONFIRM);
7790
7791     return FALSE;
7792   }
7793   else
7794   {
7795     level.changed = TRUE;
7796   }
7797
7798   /* when modifying custom/group element, ask for copying level template */
7799   if (copy_mode_orig != GADGET_ID_CUSTOM_COPY && level.use_custom_template)
7800   {
7801     if (!AskToCopyAndModifyLevelTemplate())
7802       return FALSE;
7803   }
7804
7805   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
7806   {
7807     copy_custom_element_settings(element_new, element_old);
7808   }
7809   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
7810   {
7811     copy_custom_element_settings(element_old, element_new);
7812   }
7813   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
7814   {
7815     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
7816     copy_custom_element_settings(element_new, element_old);
7817     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
7818
7819     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
7820     replace_custom_element_in_settings(element_new, element_old);
7821     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
7822
7823     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
7824     replace_custom_element_in_playfield(element_new, element_old);
7825     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
7826   }
7827
7828   UpdateCustomElementGraphicGadgets();
7829   DrawPropertiesWindow();
7830
7831   return TRUE;
7832 }
7833
7834 static void CopyCustomElementPropertiesToEditor(int element)
7835 {
7836   int i;
7837   int current_change_page = element_info[element].current_change_page;
7838
7839   /* dynamically (re)build selectbox for selecting change page */
7840   for (i = 0; i < element_info[element].num_change_pages; i++)
7841   {
7842     sprintf(options_change_page_strings[i], "%d", i + 1);
7843
7844     options_change_page[i].value = i;
7845     options_change_page[i].text = options_change_page_strings[i];
7846   }
7847
7848   options_change_page[i].value = -1;
7849   options_change_page[i].text = NULL;
7850
7851   /* needed here to initialize combined element properties */
7852   InitElementPropertiesEngine(level.game_version);
7853
7854   element_info[element].change =
7855     &element_info[element].change_page[current_change_page];
7856
7857   custom_element = element_info[element];
7858   custom_element_change = *element_info[element].change;
7859
7860   /* needed to initially set selectbox options for special action options */
7861   setSelectboxSpecialActionOptions();
7862
7863   /* needed to initially set selectbox value variables to reliable defaults */
7864   for (i = 0; i < ED_NUM_SELECTBOX; i++)
7865     setSelectboxValue(i, *selectbox_info[i].value);
7866
7867   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
7868     custom_element_properties[i] = HAS_PROPERTY(element, i);
7869
7870   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
7871     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
7872
7873   /* ---------- element settings: configure (custom elements) ------------- */
7874
7875   /* set accessible layer selectbox help value */
7876   custom_element.access_type =
7877     (IS_WALKABLE(element) ? EP_WALKABLE :
7878      IS_PASSABLE(element) ? EP_PASSABLE :
7879      custom_element.access_type);
7880   custom_element.access_layer =
7881     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
7882      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
7883      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
7884      custom_element.access_layer);
7885   custom_element.access_protected =
7886     (IS_PROTECTED(element) ? 1 : 0);
7887   custom_element_properties[EP_ACCESSIBLE] =
7888     (IS_ACCESSIBLE_OVER(element) ||
7889      IS_ACCESSIBLE_INSIDE(element) ||
7890      IS_ACCESSIBLE_UNDER(element));
7891
7892   /* set walk-to-object action selectbox help value */
7893   custom_element.walk_to_action =
7894     (IS_DIGGABLE(element) ? EP_DIGGABLE :
7895      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
7896      IS_DROPPABLE(element) ? EP_DROPPABLE :
7897      IS_THROWABLE(element) ? EP_THROWABLE :
7898      IS_PUSHABLE(element) ? EP_PUSHABLE :
7899      custom_element.walk_to_action);
7900   custom_element_properties[EP_WALK_TO_OBJECT] =
7901     (IS_DIGGABLE(element) ||
7902      IS_COLLECTIBLE_ONLY(element) ||
7903      IS_DROPPABLE(element) ||
7904      IS_THROWABLE(element) ||
7905      IS_PUSHABLE(element));
7906
7907   /* set smash targets selectbox help value */
7908   custom_element.smash_targets =
7909     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
7910      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
7911      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
7912      custom_element.smash_targets);
7913   custom_element_properties[EP_CAN_SMASH] =
7914     (CAN_SMASH_EVERYTHING(element) ||
7915      CAN_SMASH_ENEMIES(element) ||
7916      CAN_SMASH_PLAYER(element));
7917
7918   /* set deadliness selectbox help value */
7919   custom_element.deadliness =
7920     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
7921      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
7922      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
7923      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
7924      custom_element.deadliness);
7925   custom_element_properties[EP_DEADLY] =
7926     (DONT_TOUCH(element) ||
7927      DONT_GET_HIT_BY(element) ||
7928      DONT_COLLIDE_WITH(element) ||
7929      DONT_RUN_INTO(element));
7930
7931   /* ---------- element settings: advanced (custom elements) --------------- */
7932
7933   /* set "change by direct action" selectbox help value */
7934   custom_element_change.direct_action =
7935     (HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
7936      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
7937      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
7938      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
7939      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
7940      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
7941      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
7942      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
7943      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
7944      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
7945      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
7946      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
7947      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
7948      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
7949      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
7950      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
7951      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
7952      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
7953      custom_element_change.direct_action);
7954
7955   /* set "change by other element action" selectbox help value */
7956   custom_element_change.other_action =
7957     (HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
7958      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
7959      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
7960      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
7961      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
7962      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
7963      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
7964      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
7965      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
7966      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
7967      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
7968      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
7969      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
7970      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
7971      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
7972      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
7973      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
7974      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
7975      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
7976      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
7977      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
7978      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
7979      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
7980      custom_element_change.other_action);
7981 }
7982
7983 static void CopyGroupElementPropertiesToEditor(int element)
7984 {
7985   group_element_info = *element_info[element].group;
7986   custom_element = element_info[element];       /* needed for description */
7987 }
7988
7989 static void CopyClassicElementPropertiesToEditor(int element)
7990 {
7991   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
7992     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
7993       getMoveIntoAcidProperty(&level, element);
7994
7995   if (MAYBE_DONT_COLLIDE_WITH(element))
7996     custom_element_properties[EP_DONT_COLLIDE_WITH] =
7997       getDontCollideWithProperty(&level, element);
7998 }
7999
8000 static void CopyElementPropertiesToEditor(int element)
8001 {
8002   if (IS_CUSTOM_ELEMENT(element))
8003     CopyCustomElementPropertiesToEditor(element);
8004   else if (IS_GROUP_ELEMENT(element))
8005     CopyGroupElementPropertiesToEditor(element);
8006   else
8007     CopyClassicElementPropertiesToEditor(element);
8008 }
8009
8010 static boolean AskToCopyAndModifyLevelTemplate()
8011 {
8012   if (Request("Copy and modify settings from level template?", REQ_ASK))
8013   {
8014     level.use_custom_template = FALSE;
8015
8016     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_1],
8017                  GDI_CHECKED, FALSE, GDI_END);
8018     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_2],
8019                  GDI_CHECKED, FALSE, GDI_END);
8020
8021     return TRUE;
8022   }
8023   else
8024   {
8025     LoadLevelTemplate(-1);      /* this resets all element modifications ... */
8026
8027     DrawEditModeWindow();       /* ... and copies them to 'custom_element' */
8028
8029     return FALSE;
8030   }
8031 }
8032
8033 static void CopyCustomElementPropertiesToGame(int element)
8034 {
8035   int i;
8036   int access_type_and_layer;
8037
8038   /* mark that this custom element has been modified */
8039   custom_element.modified_settings = TRUE;
8040   level.changed = TRUE;
8041
8042   if (level.use_custom_template)
8043     AskToCopyAndModifyLevelTemplate();
8044
8045   element_info[element] = custom_element;
8046   *element_info[element].change = custom_element_change;
8047
8048   /* ---------- element settings: configure (custom elements) ------------- */
8049
8050   /* set accessible property from checkbox and selectbox */
8051   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
8052   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
8053   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
8054   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
8055   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
8056   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
8057   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
8058                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
8059                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
8060   custom_element_properties[access_type_and_layer] =
8061     custom_element_properties[EP_ACCESSIBLE];
8062   custom_element_properties[EP_PROTECTED] =
8063     (custom_element.access_protected != 0 &&
8064      custom_element_properties[EP_ACCESSIBLE]);
8065
8066   /* set walk-to-object property from checkbox and selectbox */
8067   custom_element_properties[EP_DIGGABLE] = FALSE;
8068   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
8069   custom_element_properties[EP_DROPPABLE] = FALSE;
8070   custom_element_properties[EP_THROWABLE] = FALSE;
8071   custom_element_properties[EP_PUSHABLE] = FALSE;
8072   custom_element_properties[custom_element.walk_to_action] =
8073     custom_element_properties[EP_WALK_TO_OBJECT];
8074
8075   /* set smash property from checkbox and selectbox */
8076   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
8077   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
8078   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
8079   custom_element_properties[custom_element.smash_targets] =
8080     custom_element_properties[EP_CAN_SMASH];
8081
8082   /* set deadliness property from checkbox and selectbox */
8083   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
8084   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
8085   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
8086   custom_element_properties[EP_DONT_TOUCH] = FALSE;
8087   custom_element_properties[custom_element.deadliness] =
8088     custom_element_properties[EP_DEADLY];
8089
8090   /* ---------- element settings: advanced (custom elements) --------------- */
8091
8092   /* set player change event from checkbox and selectbox */
8093   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
8094   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
8095   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
8096   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
8097   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
8098   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
8099   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
8100   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
8101   custom_element_change_events[CE_SWITCHED] = FALSE;
8102   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
8103   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
8104   custom_element_change_events[CE_BLOCKED] = FALSE;
8105   custom_element_change_events[CE_IMPACT] = FALSE;
8106   custom_element_change_events[CE_SMASHED] = FALSE;
8107   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
8108   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
8109   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
8110   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
8111   custom_element_change_events[custom_element_change.direct_action] =
8112     custom_element_change_events[CE_BY_DIRECT_ACTION];
8113
8114   /* set other element action change event from checkbox and selectbox */
8115   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
8116   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
8117   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
8118   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
8119   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
8120   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
8121   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
8122   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
8123   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
8124   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
8125   custom_element_change_events[CE_TOUCHING_X] = FALSE;
8126   custom_element_change_events[CE_HITTING_X] = FALSE;
8127   custom_element_change_events[CE_DIGGING_X] = FALSE;
8128   custom_element_change_events[CE_HIT_BY_X] = FALSE;
8129   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
8130   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
8131   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
8132   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
8133   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
8134   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
8135   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
8136   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
8137   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
8138   custom_element_change_events[custom_element_change.other_action] =
8139     custom_element_change_events[CE_BY_OTHER_ACTION];
8140
8141   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
8142     SET_PROPERTY(element, i, custom_element_properties[i]);
8143
8144   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
8145     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
8146
8147   /* copy change events also to special level editor variable */
8148   custom_element = element_info[element];
8149   custom_element_change = *element_info[element].change;
8150 }
8151
8152 static void CopyGroupElementPropertiesToGame(int element)
8153 {
8154   /* mark that this group element has been modified */
8155   custom_element.modified_settings = TRUE;
8156   level.changed = TRUE;
8157
8158   if (level.use_custom_template)
8159     AskToCopyAndModifyLevelTemplate();
8160
8161   element_info[element] = custom_element;
8162   *element_info[element].group = group_element_info;
8163 }
8164
8165 static void CopyClassicElementPropertiesToGame(int element)
8166 {
8167   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
8168     setMoveIntoAcidProperty(&level, element,
8169                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
8170
8171   if (MAYBE_DONT_COLLIDE_WITH(element))
8172     setDontCollideWithProperty(&level, element,
8173                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
8174 }
8175
8176 static void CopyElementPropertiesToGame(int element)
8177 {
8178   if (IS_CUSTOM_ELEMENT(element))
8179     CopyCustomElementPropertiesToGame(element);
8180   else if (IS_GROUP_ELEMENT(element))
8181     CopyGroupElementPropertiesToGame(element);
8182   else
8183     CopyClassicElementPropertiesToGame(element);
8184 }
8185
8186 void CheckElementDescriptions()
8187 {
8188   int i;
8189
8190   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
8191     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
8192       Error(ERR_WARN, "no element description file for element '%s'",
8193             EL_NAME(i));
8194 }
8195
8196 static int getMaxEdFieldX(boolean has_scrollbar)
8197 {
8198   int scrollbar_width = (has_scrollbar ? ED_SCROLLBUTTON_XSIZE : 0);
8199   int sxsize = SXSIZE - scrollbar_width;
8200   int max_ed_fieldx = sxsize / ed_tilesize;
8201
8202   return max_ed_fieldx;
8203 }
8204
8205 static int getMaxEdFieldY(boolean has_scrollbar)
8206 {
8207   int infotext_height = INFOTEXT_YSIZE_FULL;
8208   int scrollbar_height = (has_scrollbar ? ED_SCROLLBUTTON_YSIZE : 0);
8209   int sysize = SYSIZE - scrollbar_height - infotext_height;
8210   int max_ed_fieldy = sysize / ed_tilesize;
8211
8212   return max_ed_fieldy;
8213 }
8214
8215 void InitZoomLevelSettings(int zoom_tilesize)
8216 {
8217   if (zoom_tilesize == -1)
8218     zoom_tilesize = setup.auto_setup.editor_zoom_tilesize;
8219
8220   // limit zoom tilesize by upper and lower bound
8221   zoom_tilesize = MIN(MAX(MICRO_TILESIZE, zoom_tilesize), TILESIZE);
8222
8223   ed_tilesize = setup.auto_setup.editor_zoom_tilesize = zoom_tilesize;
8224
8225   MAX_ED_FIELDX = getMaxEdFieldX(FALSE);
8226   MAX_ED_FIELDY = getMaxEdFieldY(FALSE);
8227 }
8228
8229 static void InitLevelSetInfo()
8230 {
8231   snprintf(levelset_name,   MAX_LEVEL_NAME_LEN + 1,
8232            "%s", leveldir_current->name);
8233   snprintf(levelset_author, MAX_LEVEL_AUTHOR_LEN + 1,
8234            "%s", leveldir_current->author);
8235
8236   levelset_num_levels = leveldir_current->levels;
8237
8238   levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
8239 }
8240
8241 static void ChangeEditorToLevelSet(char *levelset_subdir)
8242 {
8243   leveldir_current = getTreeInfoFromIdentifier(leveldir_first, levelset_subdir);
8244
8245   // the previous level set might have used custom artwork
8246   ReloadCustomArtwork(0);
8247
8248   LoadLevelSetup_SeriesInfo();
8249
8250   SaveLevelSetup_LastSeries();
8251   SaveLevelSetup_SeriesInfo();
8252
8253   TapeErase();
8254
8255   LoadLevel(level_nr);
8256   LoadScore(level_nr);
8257
8258   DrawLevelEd();
8259 }
8260
8261 void DrawLevelEd()
8262 {
8263   int fade_mask = REDRAW_FIELD;
8264
8265   FadeSoundsAndMusic();
8266
8267   if (CheckIfGlobalBorderOrPlayfieldViewportHasChanged())
8268     fade_mask = REDRAW_ALL;
8269
8270   FadeOut(fade_mask);
8271
8272   /* needed if different viewport properties defined for editor */
8273   ChangeViewportPropertiesIfNeeded();
8274
8275   ClearField();
8276
8277   InitZoomLevelSettings(-1);
8278   InitLevelSetInfo();
8279
8280   SetDoorState(DOOR_OPEN_1 | DOOR_OPEN_2);
8281
8282 #if DEBUG
8283   CheckElementDescriptions();
8284 #endif
8285
8286   if (level_editor_test_game)
8287   {
8288     CopyPlayfield(level.field, Feld);
8289     CopyPlayfield(FieldBackup, level.field);
8290
8291     level_editor_test_game = FALSE;
8292   }
8293   else
8294   {
8295     edit_mode = ED_MODE_DRAWING;
8296     edit_mode_levelinfo = ED_MODE_LEVELINFO_LEVEL;
8297     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
8298
8299     ResetUndoBuffer();
8300
8301     level_xpos = -1;
8302     level_ypos = -1;
8303   }
8304
8305   /* needed for gadgets drawn on background (like palette scrollbar) */
8306   SetDoorBackgroundImage(IMG_UNDEFINED);
8307
8308   /* copy default editor door content to main double buffer */
8309   BlitBitmap(graphic_info[IMG_BACKGROUND_PALETTE].bitmap, drawto,
8310              graphic_info[IMG_BACKGROUND_PALETTE].src_x,
8311              graphic_info[IMG_BACKGROUND_PALETTE].src_y,
8312              MIN(DXSIZE, graphic_info[IMG_BACKGROUND_PALETTE].width),
8313              MIN(DYSIZE, graphic_info[IMG_BACKGROUND_PALETTE].height),
8314              DX, DY);
8315
8316   /* draw bigger door */
8317   DrawSpecialEditorDoor();
8318
8319   /* draw new control window */
8320   BlitBitmap(graphic_info[IMG_BACKGROUND_TOOLBOX].bitmap, drawto,
8321              graphic_info[IMG_BACKGROUND_TOOLBOX].src_x,
8322              graphic_info[IMG_BACKGROUND_TOOLBOX].src_y,
8323              MIN(EXSIZE, graphic_info[IMG_BACKGROUND_TOOLBOX].width),
8324              MIN(EYSIZE, graphic_info[IMG_BACKGROUND_TOOLBOX].height),
8325              EX, EY);
8326
8327   // redraw_mask |= REDRAW_ALL;
8328
8329   FreeLevelEditorGadgets();
8330   CreateLevelEditorGadgets();
8331
8332   ReinitializeElementList();            /* update dynamic level element list */
8333   ReinitializeElementListButtons();     /* custom element may look different */
8334
8335   InitElementPropertiesGfxElement();
8336
8337   UnmapAllGadgets();
8338   MapControlButtons();
8339
8340   DrawEditModeWindow();
8341
8342   DrawMaskedBorder(fade_mask);
8343
8344   FadeIn(fade_mask);
8345
8346   /* copy actual editor door content to door double buffer for OpenDoor() */
8347   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
8348 }
8349
8350 static void AdjustDrawingAreaGadgets()
8351 {
8352   int ed_xsize = lev_fieldx + 2;
8353   int ed_ysize = lev_fieldy + 2;
8354   int max_ed_fieldx = MAX_ED_FIELDX;
8355   int max_ed_fieldy = MAX_ED_FIELDY;
8356   boolean horizontal_scrollbar_needed;
8357   boolean vertical_scrollbar_needed;
8358   int x, y, width, height;
8359
8360   /* check if we need any scrollbars */
8361   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
8362   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
8363
8364   /* check if we have a smaller editor field because of scrollbars */
8365   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
8366   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
8367
8368   /* check again if we now need more scrollbars because of less space */
8369   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
8370   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
8371
8372   /* check if editor field gets even smaller after adding new scrollbars */
8373   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
8374   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
8375
8376   ed_fieldx = (ed_xsize > max_ed_fieldx ? max_ed_fieldx : ed_xsize);
8377   ed_fieldy = (ed_ysize > max_ed_fieldy ? max_ed_fieldy : ed_ysize);
8378
8379   x = SX + ed_fieldx * ed_tilesize;
8380   y = SY + ed_fieldy * ed_tilesize;
8381
8382   width  = ed_fieldx * ed_tilesize - 2 * ED_SCROLLBUTTON_XSIZE;
8383   height = ed_fieldy * ed_tilesize - 2 * ED_SCROLLBUTTON_YSIZE;
8384
8385   /* adjust drawing area gadget */
8386   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
8387                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
8388                GDI_ITEM_SIZE, ed_tilesize, ed_tilesize,
8389                GDI_END);
8390
8391   /* adjust horizontal scrollbar gadgets */
8392   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LEFT],
8393                GDI_Y, y,
8394                GDI_END);
8395   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT],
8396                GDI_X, x - ED_SCROLLBUTTON_XSIZE,
8397                GDI_Y, y,
8398                GDI_END);
8399   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
8400                GDI_Y, y,
8401                GDI_WIDTH, width,
8402                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
8403                GDI_END);
8404
8405   /* adjust vertical scrollbar gadgets */
8406   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_UP],
8407                GDI_X, x,
8408                GDI_END);
8409   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN],
8410                GDI_X, x,
8411                GDI_Y, y - ED_SCROLLBUTTON_YSIZE,
8412                GDI_END);
8413   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
8414                GDI_X, x,
8415                GDI_HEIGHT, height,
8416                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
8417                GDI_END);
8418 }
8419
8420 static void AdjustLevelScrollPosition()
8421 {
8422   if (level_xpos < -1)
8423     level_xpos = -1;
8424   if (level_xpos > lev_fieldx - ed_fieldx + 1)
8425     level_xpos = lev_fieldx - ed_fieldx + 1;
8426   if (lev_fieldx < ed_fieldx - 2)
8427     level_xpos = -1;
8428
8429   if (level_ypos < -1)
8430     level_ypos = -1;
8431   if (level_ypos > lev_fieldy - ed_fieldy + 1)
8432     level_ypos = lev_fieldy - ed_fieldy + 1;
8433   if (lev_fieldy < ed_fieldy - 2)
8434     level_ypos = -1;
8435 }
8436
8437 static void AdjustEditorScrollbar(int id)
8438 {
8439   struct GadgetInfo *gi = level_editor_gadget[id];
8440   int items_max, items_visible, item_position;
8441
8442   if (id == GADGET_ID_SCROLL_HORIZONTAL)
8443   {
8444     items_max = MAX(lev_fieldx + 2, ed_fieldx);
8445     items_visible = ed_fieldx;
8446     item_position = level_xpos + 1;
8447   }
8448   else
8449   {
8450     items_max = MAX(lev_fieldy + 2, ed_fieldy);
8451     items_visible = ed_fieldy;
8452     item_position = level_ypos + 1;
8453   }
8454
8455   if (item_position > items_max - items_visible)
8456     item_position = items_max - items_visible;
8457
8458   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
8459                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
8460 }
8461
8462 static void AdjustElementListScrollbar()
8463 {
8464   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
8465   int items_max, items_visible, item_position;
8466
8467   /* correct position of element list scrollbar */
8468   if (element_shift < 0)
8469     element_shift = 0;
8470   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
8471     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
8472
8473   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
8474   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
8475   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
8476
8477   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
8478                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
8479                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
8480 }
8481
8482 static void ModifyEditorCounterValue(int counter_id, int new_value)
8483 {
8484   int *counter_value = counterbutton_info[counter_id].value;
8485   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
8486   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8487
8488   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
8489
8490   if (counter_value != NULL)
8491     *counter_value = gi->textinput.number_value;
8492 }
8493
8494 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
8495 {
8496   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
8497   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8498
8499   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
8500
8501   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
8502       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
8503   {
8504     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
8505     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
8506
8507     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
8508     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_SMALL_DISTANCE,
8509                  GDI_END);
8510   }
8511 }
8512
8513 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
8514 {
8515   int gadget_id = selectbox_info[selectbox_id].gadget_id;
8516   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8517   int new_index_value = setSelectboxValue(selectbox_id, new_value);
8518
8519   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
8520 }
8521
8522 static void ModifyEditorSelectboxOptions(int selectbox_id,
8523                                          struct ValueTextInfo *options)
8524 {
8525   int gadget_id = selectbox_info[selectbox_id].gadget_id;
8526   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8527
8528   selectbox_info[selectbox_id].options = options;
8529
8530   /* set index to zero -- list may be shorter now (correct later, if needed) */
8531   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
8532                GDI_SELECTBOX_OPTIONS, options, GDI_END);
8533 }
8534
8535 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
8536 {
8537   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
8538   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8539
8540   drawingarea_info[drawingarea_id].area_xsize = xsize;
8541   drawingarea_info[drawingarea_id].area_ysize = ysize;
8542
8543   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
8544 }
8545
8546 static void ModifyEditorElementList()
8547 {
8548   int i;
8549
8550   if (!use_permanent_palette && edit_mode != ED_MODE_PALETTE)
8551     return;
8552
8553   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
8554   {
8555     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
8556     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8557     struct GadgetDesign *gd = &gi->deco.design;
8558     int element = editor_elements[element_shift + i];
8559     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
8560
8561     UnmapGadget(gi);
8562
8563     getEditorGraphicSource(element, tile_size, &gd->bitmap, &gd->x, &gd->y);
8564
8565     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
8566
8567     MapGadget(gi);
8568   }
8569 }
8570
8571 static void DrawDrawingElementGraphic(int element, struct XYTileSize *pos)
8572 {
8573   int graphic = el2edimg(element);
8574   int tile_size = BUTTON_TILE_SIZE(pos->tile_size);
8575
8576   if (pos->x == -1 &&
8577       pos->y == -1)
8578     return;
8579
8580   DrawSizedGraphicExt(drawto, DX + pos->x, DY + pos->y, graphic, 0, tile_size);
8581 }
8582
8583 static void ModifyDrawingElementButton(int element, int id)
8584 {
8585   struct GadgetInfo *gi = level_editor_gadget[id];
8586   Bitmap *deco_bitmap;
8587   int deco_x, deco_y;
8588   int tile_size = gi->deco.width;
8589
8590   getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
8591
8592   ModifyGadget(gi, GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y, GDI_END);
8593 }
8594
8595 static void PickDrawingElement(int button, int element)
8596 {
8597   struct
8598   {
8599     int *new_element;
8600     struct XYTileSize *pos;
8601     int id;
8602   } de, drawing_elements[] =
8603   {
8604     { &new_element1, &editor.palette.element_left,   GADGET_ID_ELEMENT_LEFT   },
8605     { &new_element2, &editor.palette.element_middle, GADGET_ID_ELEMENT_MIDDLE },
8606     { &new_element3, &editor.palette.element_right,  GADGET_ID_ELEMENT_RIGHT  },
8607   };
8608
8609   if (button < 1 || button > 3)
8610     return;
8611
8612   if (IS_MM_WALL(element))
8613     element = map_mm_wall_element(element);
8614
8615   de = drawing_elements[button - 1];
8616
8617   *de.new_element = element;    // update global drawing element variable
8618
8619   DrawDrawingElementGraphic(element, de.pos);
8620   ModifyDrawingElementButton(element, de.id);
8621
8622   redraw_mask |= REDRAW_DOOR_1;
8623 }
8624
8625 static void RedrawDrawingElements()
8626 {
8627   PickDrawingElement(1, new_element1);
8628   PickDrawingElement(2, new_element2);
8629   PickDrawingElement(3, new_element3);
8630 }
8631
8632 static void DrawDrawingWindow()
8633 {
8634   stick_element_properties_window = FALSE;
8635
8636   SetMainBackgroundImage(IMG_UNDEFINED);
8637   ClearField();
8638
8639   UnmapLevelEditorFieldGadgets();
8640   UnmapLevelEditorToolboxCustomGadgets();
8641
8642   AdjustDrawingAreaGadgets();
8643   AdjustLevelScrollPosition();
8644   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
8645   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
8646
8647   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
8648
8649   MapMainDrawingArea();
8650   MapLevelEditorToolboxDrawingGadgets();
8651 }
8652
8653 static int getTabulatorBarWidth()
8654 {
8655   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
8656   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
8657
8658   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
8659 }
8660
8661 static int getTabulatorBarHeight()
8662 {
8663   return ED_TAB_BAR_HEIGHT;
8664 }
8665
8666 static void DrawLevelInfoTabulatorGadgets()
8667 {
8668   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
8669   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
8670   int gd_x = gd->x + gd_gi1->border.width / 2;
8671   int gd_y = gd->y + gd_gi1->height - 1;
8672   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
8673   int id_first = ED_TAB_BUTTON_ID_LEVELINFO_FIRST;
8674   int id_last  = ED_TAB_BUTTON_ID_LEVELINFO_LAST;
8675   int i;
8676
8677   for (i = id_first; i <= id_last; i++)
8678   {
8679     int gadget_id = textbutton_info[i].gadget_id;
8680     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8681     boolean active = (i != edit_mode_levelinfo);
8682
8683     /* draw background line below tabulator button */
8684     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
8685
8686     /* draw solid line below inactive tabulator buttons */
8687     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
8688       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
8689                     ED_GADGET_TINY_DISTANCE, tab_color);
8690
8691     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
8692     MapTextbuttonGadget(i);
8693   }
8694
8695   /* draw little border line below tabulator buttons */
8696   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
8697     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
8698                   ED_GADGET_TINY_DISTANCE,
8699                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
8700 }
8701
8702 static void DrawPropertiesTabulatorGadgets()
8703 {
8704   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
8705   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
8706   int gd_x = gd->x + gd_gi1->border.width / 2;
8707   int gd_y = gd->y + gd_gi1->height - 1;
8708   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
8709   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
8710   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
8711   int i;
8712
8713   /* draw two config tabulators for player elements */
8714   if (ELEM_IS_PLAYER(properties_element))
8715     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
8716
8717   /* draw two config and one "change" tabulator for custom elements */
8718   if (IS_CUSTOM_ELEMENT(properties_element))
8719     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
8720
8721   for (i = id_first; i <= id_last; i++)
8722   {
8723     int gadget_id = textbutton_info[i].gadget_id;
8724     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8725     boolean active = (i != edit_mode_properties);
8726
8727     /* use "config 1" and "config 2" instead of "config" for players and CEs */
8728     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
8729         (ELEM_IS_PLAYER(properties_element) ||
8730          IS_CUSTOM_ELEMENT(properties_element)))
8731       continue;
8732
8733     /* draw background line below tabulator button */
8734     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
8735
8736     /* draw solid line below inactive tabulator buttons */
8737     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
8738       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
8739                     ED_GADGET_TINY_DISTANCE, tab_color);
8740
8741     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
8742     MapTextbuttonGadget(i);
8743   }
8744
8745   /* draw little border line below tabulator buttons */
8746   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
8747     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
8748                   ED_GADGET_TINY_DISTANCE,
8749                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
8750 }
8751
8752 static void PrintInfoText(char *text, int font_nr, int xpos, int ypos)
8753 {
8754   DrawText(SX + xpos, SY + ypos, text, font_nr);
8755 }
8756
8757 static int PrintElementDescriptionFromFile(char *filename, int font_nr,
8758                                            int xpos, int ypos)
8759 {
8760   int font_width = getFontWidth(font_nr);
8761   int font_height = getFontHeight(font_nr);
8762   int max_chars_per_line = (SXSIZE - 2 * xpos) / font_width;
8763   int max_lines_drawable = (SYSIZE - ypos) / font_height - 1;
8764
8765   return DrawTextFile(SX + xpos, SY + ypos, filename, font_nr,
8766                       max_chars_per_line, -1, max_lines_drawable, 0, -1,
8767                       TRUE, FALSE, FALSE);
8768 }
8769
8770 static void DrawLevelInfoLevel()
8771 {
8772   int i;
8773
8774   /* draw counter gadgets */
8775   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
8776     MapCounterButtons(i);
8777
8778   /* draw checkbutton gadgets */
8779   for (i = ED_CHECKBUTTON_ID_LEVEL_FIRST; i<= ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
8780     MapCheckbuttonGadget(i);
8781
8782   /* draw selectbox gadgets */
8783   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
8784     MapSelectboxGadget(i);
8785
8786   /* draw text input gadgets */
8787   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
8788     MapTextInputGadget(i);
8789 }
8790
8791 static char *getLevelSubdirFromSaveMode(int save_mode)
8792 {
8793   if (save_mode == LEVELSET_SAVE_MODE_CREATE)
8794     return getNewUserLevelSubdir();
8795
8796   return leveldir_current->subdir;
8797 }
8798
8799 static void DrawLevelInfoLevelSet_DirectoryInfo()
8800 {
8801   char *directory_text = "Level set directory:";
8802   char *directory_name = getLevelSubdirFromSaveMode(levelset_save_mode);
8803   int font1_nr = FONT_TEXT_1;
8804   int font2_nr = FONT_TEXT_2;
8805   int font1_height = getFontHeight(font1_nr);
8806   int yoffset_above = font1_height + ED_GADGET_LINE_DISTANCE;
8807   int x = ED_LEVEL_SETTINGS_X(0);
8808   int y = ED_LEVEL_SETTINGS_Y(6);
8809
8810   PrintInfoText(directory_text, font1_nr, x, y - yoffset_above);
8811   PrintInfoText(directory_name, font2_nr, x, y);
8812 }
8813
8814 static void DrawLevelInfoLevelSet()
8815 {
8816   int i;
8817
8818   /* draw counter gadgets */
8819   for (i = ED_COUNTER_ID_LEVELSET_FIRST; i <= ED_COUNTER_ID_LEVELSET_LAST; i++)
8820     MapCounterButtons(i);
8821
8822   /* draw selectbox gadgets */
8823   for (i = ED_SELECTBOX_ID_LEVELSET_FIRST; i <= ED_SELECTBOX_ID_LEVELSET_LAST; i++)
8824     MapSelectboxGadget(i);
8825
8826   /* draw text input gadgets */
8827   for (i = ED_TEXTINPUT_ID_LEVELSET_FIRST; i <= ED_TEXTINPUT_ID_LEVELSET_LAST; i++)
8828     MapTextInputGadget(i);
8829
8830   /* draw textbutton gadgets */
8831   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_LEVELSET);
8832
8833   /* draw info text */
8834   DrawLevelInfoLevelSet_DirectoryInfo();
8835 }
8836
8837 static void DrawLevelInfoEditor()
8838 {
8839   int i;
8840
8841   /* draw counter gadgets */
8842   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
8843     MapCounterButtons(i);
8844
8845   /* draw checkbutton gadgets */
8846   for (i=ED_CHECKBUTTON_ID_EDITOR_FIRST; i<= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
8847     MapCheckbuttonGadget(i);
8848
8849   /* draw radiobutton gadgets */
8850   for (i=ED_RADIOBUTTON_ID_EDITOR_FIRST; i<= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
8851     MapRadiobuttonGadget(i);
8852
8853   /* draw drawing area */
8854   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
8855
8856   /* draw textbutton gadgets */
8857   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2);
8858 }
8859
8860 static void DrawLevelInfoWindow()
8861 {
8862   char *text = "Global Settings";
8863   int font_nr = FONT_TITLE_1;
8864   struct MenuPosInfo *pos = &editor.settings.headline;
8865   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font_nr), pos->align);
8866   int sy = SY + pos->y;
8867
8868   stick_element_properties_window = FALSE;
8869
8870   SetAutomaticNumberOfGemsNeeded();
8871
8872   UnmapLevelEditorFieldGadgets();
8873
8874   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
8875   ClearField();
8876
8877   DrawText(sx, sy, text, font_nr);
8878
8879   DrawLevelInfoTabulatorGadgets();
8880
8881   if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVEL)
8882     DrawLevelInfoLevel();
8883   else if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVELSET)
8884     DrawLevelInfoLevelSet();
8885   else if (edit_mode_levelinfo == ED_MODE_LEVELINFO_EDITOR)
8886     DrawLevelInfoEditor();
8887 }
8888
8889 static void DrawCustomContentArea()
8890 {
8891   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
8892   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
8893   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
8894   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
8895   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
8896   int xoffset = ED_GADGET_SPACE_DISTANCE;
8897
8898   /* add distance for potential left text (without drawing area border) */
8899   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
8900
8901   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
8902
8903   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
8904 }
8905
8906 static void DrawCustomChangeContentArea()
8907 {
8908   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
8909   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
8910   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
8911   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
8912   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
8913   int xoffset = ED_GADGET_SPACE_DISTANCE;
8914
8915   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
8916
8917   MapDrawingArea(id);
8918 }
8919
8920 static void RemoveElementContentArea(int id, int font_height)
8921 {
8922   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
8923
8924   DrawBackground(SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size,
8925                  SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size,
8926                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
8927                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size +
8928                  ED_GADGET_TEXT_DISTANCE + font_height);
8929 }
8930
8931 static void DrawYamYamContentAreas()
8932 {
8933   int font_nr = FONT_TEXT_1;
8934   int font_height = getFontHeight(font_nr);
8935   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
8936   int yoffset = (tilesize - font_height) / 2;
8937   int x = SX + ED_AREA_YAMYAM_CONTENT_X(3) + 4 * tilesize;
8938   int y = SY + ED_AREA_YAMYAM_CONTENT_Y(3) + yoffset;
8939   int i;
8940
8941   /* display counter to choose number of element content areas */
8942   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
8943
8944   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
8945   {
8946     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
8947
8948     if (i < level.num_yamyam_contents)
8949     {
8950       MapDrawingArea(id);
8951     }
8952     else
8953     {
8954       UnmapDrawingArea(id);
8955
8956       /* delete content areas in case of reducing number of them */
8957       RemoveElementContentArea(id, font_height);
8958     }
8959   }
8960
8961   DrawText(x, y + 0 * tilesize, "content", font_nr);
8962   DrawText(x, y + 1 * tilesize, "when",    font_nr);
8963   DrawText(x, y + 2 * tilesize, "smashed", font_nr);
8964 }
8965
8966 static void DrawMagicBallContentAreas()
8967 {
8968   int font_nr = FONT_TEXT_1;
8969   int font_height = getFontHeight(font_nr);
8970   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
8971   int yoffset = (tilesize - font_height) / 2;
8972   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_X(3) + 4 * tilesize;
8973   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_Y(3) + yoffset;
8974   int i;
8975
8976   /* display counter to choose number of element content areas */
8977   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
8978
8979   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
8980   {
8981     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
8982
8983     if (i < level.num_ball_contents)
8984     {
8985       MapDrawingArea(id);
8986     }
8987     else
8988     {
8989       UnmapDrawingArea(id);
8990
8991       /* delete content areas in case of reducing number of them */
8992       RemoveElementContentArea(id, font_height);
8993     }
8994   }
8995
8996   DrawText(x, y + 0 * tilesize, "generated", font_nr);
8997   DrawText(x, y + 1 * tilesize, "when",      font_nr);
8998   DrawText(x, y + 2 * tilesize, "active",    font_nr);
8999 }
9000
9001 static void DrawAndroidElementArea(int element)
9002 {
9003   int id = ED_DRAWING_ID_ANDROID_CONTENT;
9004   int num_elements = level.num_android_clone_elements;
9005   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9006   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9007   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9008   int xsize = MAX_ANDROID_ELEMENTS;
9009   int ysize = 1;
9010
9011   /* display counter to choose number of element areas */
9012   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
9013
9014   if (drawingarea_info[id].text_left != NULL)
9015     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9016
9017   UnmapDrawingArea(id);
9018
9019   ModifyEditorDrawingArea(id, num_elements, 1);
9020
9021   /* delete content areas in case of reducing number of them */
9022   DrawBackground(sx, sy,
9023                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9024                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9025
9026   MapDrawingArea(id);
9027 }
9028
9029 static void DrawGroupElementArea(int element)
9030 {
9031   int id = ED_DRAWING_ID_GROUP_CONTENT;
9032   int num_elements = group_element_info.num_elements;
9033   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9034   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9035   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9036   int xsize = MAX_ELEMENTS_IN_GROUP;
9037   int ysize = 1;
9038
9039   if (drawingarea_info[id].text_left != NULL)
9040     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9041
9042   UnmapDrawingArea(id);
9043
9044   ModifyEditorDrawingArea(id, num_elements, 1);
9045
9046   /* delete content areas in case of reducing number of them */
9047   DrawBackground(sx, sy,
9048                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9049                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9050
9051   MapDrawingArea(id);
9052 }
9053
9054 static void DrawPlayerInitialInventoryArea(int element)
9055 {
9056   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
9057   int player_nr = GET_PLAYER_NR(element);
9058   int num_elements = level.initial_inventory_size[player_nr];
9059   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9060   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9061   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9062   int xsize = MAX_INITIAL_INVENTORY_SIZE;
9063   int ysize = 1;
9064
9065   /* determine horizontal position to the right of specified gadget */
9066   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
9067     sx = (right_gadget_border[drawingarea_info[id].gadget_id_align] +
9068           ED_DRAWINGAREA_TEXT_DISTANCE);
9069
9070   /* determine horizontal offset for leading text */
9071   if (drawingarea_info[id].text_left != NULL)
9072     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9073
9074   UnmapDrawingArea(id);
9075
9076   ModifyEditorDrawingArea(id, num_elements, 1);
9077
9078   /* delete content areas in case of reducing number of them */
9079   DrawBackground(sx, sy,
9080                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9081                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9082
9083   MapDrawingArea(id);
9084 }
9085
9086 static void DrawEnvelopeTextArea(int envelope_nr)
9087 {
9088   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
9089   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
9090
9091   UnmapGadget(gi);
9092   DrawBackground(gi->x, gi->y, gi->width, gi->height);
9093
9094   if (envelope_nr != -1)
9095     textarea_info[id].value = level.envelope[envelope_nr].text;
9096
9097   ModifyGadget(gi, GDI_AREA_SIZE,
9098                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
9099                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
9100                GDI_END);
9101
9102   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
9103 }
9104
9105 static void DrawPropertiesInfo()
9106 {
9107   static struct
9108   {
9109     int value;
9110     char *text;
9111   }
9112   properties[] =
9113   {
9114     /* configurable properties */
9115
9116     { EP_WALKABLE_OVER,         "- player can walk over it"             },
9117     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
9118     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
9119     { EP_PASSABLE_OVER,         "- player can pass over it"             },
9120     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
9121     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
9122     { EP_PROTECTED,             "- player is protected by it"           },
9123
9124     { EP_DIGGABLE,              "- can be digged away"                  },
9125     { EP_COLLECTIBLE,           "- can be collected"                    },
9126     { EP_DROPPABLE,             "- can be dropped after collecting"     },
9127     { EP_THROWABLE,             "- can be thrown after collecting"      },
9128     { EP_PUSHABLE,              "- can be pushed"                       },
9129
9130     { EP_CAN_FALL,              "- can fall"                            },
9131     { EP_CAN_MOVE,              "- can move"                            },
9132
9133     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
9134 #if 0
9135     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
9136 #endif
9137     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
9138
9139     { EP_SLIPPERY,              "- slippery for falling elements"       },
9140     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
9141
9142     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
9143     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
9144     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
9145     { EP_DONT_TOUCH,            "- deadly when touching"                },
9146
9147     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
9148
9149     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
9150     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
9151     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
9152
9153     { EP_CAN_CHANGE,            "- can change to other element"         },
9154
9155     /* pre-defined properties */
9156     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
9157     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
9158     { EP_SWITCHABLE,            "- can be switched"                     },
9159 #if 0
9160     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
9161 #endif
9162
9163     { -1,                       NULL                                    }
9164   };
9165   char *filename = getElementDescriptionFilename(properties_element);
9166   char *percentage_text = "In this level: ";
9167   char *properties_text = "Standard properties: ";
9168   char *description_text = "Description:";
9169   char *no_description_text = "No description available.";
9170   char *none_text = "None";
9171   float percentage;
9172   int num_elements_in_level;
9173   int num_standard_properties = 0;
9174   int font1_nr = FONT_TEXT_1;
9175   int font2_nr = FONT_TEXT_2;
9176   int font1_width = getFontWidth(font1_nr);
9177   int font1_height = getFontHeight(font1_nr);
9178   int font2_height = getFontHeight(font2_nr);
9179   int line1_height = font1_height + ED_GADGET_LINE_DISTANCE;
9180   int font2_yoffset = (font1_height - font2_height) / 2;
9181   int percentage_text_len = strlen(percentage_text) * font1_width;
9182   int properties_text_len = strlen(properties_text) * font1_width;
9183   int xpos = ED_ELEMENT_SETTINGS_X(0);
9184   int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
9185   int i, x, y;
9186
9187   if (setup.editor.show_element_token)
9188   {
9189     int font3_nr = FONT_TEXT_3;
9190     int font3_height = getFontHeight(font3_nr);
9191
9192     DrawTextF(xpos, ypos, font3_nr,
9193               "[%s]", element_info[properties_element].token_name);
9194
9195     ypos += 2 * font3_height;
9196   }
9197
9198   /* ----- print number of elements / percentage of this element in level */
9199
9200   num_elements_in_level = 0;
9201   for (y = 0; y < lev_fieldy; y++)
9202     for (x = 0; x < lev_fieldx; x++)
9203       if (Feld[x][y] == properties_element)
9204         num_elements_in_level++;
9205   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
9206
9207   DrawTextS(xpos, ypos, font1_nr, percentage_text);
9208
9209   if (num_elements_in_level > 0)
9210     DrawTextF(xpos + percentage_text_len, ypos + font2_yoffset, font2_nr,
9211               "%d (%.2f %%)", num_elements_in_level, percentage);
9212   else
9213     DrawTextF(xpos + percentage_text_len, ypos + font2_yoffset, font2_nr,
9214               none_text);
9215
9216   ypos += 2 * MAX(font1_height, font2_height);
9217
9218   /* ----- print standard properties of this element */
9219
9220   DrawTextS(xpos, ypos, font1_nr, properties_text);
9221
9222   ypos += line1_height;
9223
9224   for (i = 0; properties[i].value != -1; i++)
9225   {
9226     if (!HAS_PROPERTY(properties_element, properties[i].value))
9227       continue;
9228
9229     DrawTextS(xpos, ypos, font2_nr, properties[i].text);
9230
9231     ypos += font2_height;
9232
9233     num_standard_properties++;
9234   }
9235
9236   if (num_standard_properties == 0)
9237   {
9238     DrawTextS(xpos + properties_text_len, ypos - line1_height + font2_yoffset,
9239               font2_nr, none_text);
9240
9241     ypos -= (line1_height - font1_height);
9242   }
9243
9244   ypos += MAX(font1_height, font2_height);
9245
9246   /* ----- print special description of this element */
9247
9248   PrintInfoText(description_text, font1_nr, xpos, ypos);
9249
9250   ypos += line1_height;
9251
9252   if (PrintElementDescriptionFromFile(filename, font2_nr, xpos, ypos) == 0)
9253     PrintInfoText(no_description_text, font1_nr, xpos, ypos - line1_height);
9254 }
9255
9256 #define TEXT_COLLECTING         "Score for collecting"
9257 #define TEXT_SMASHING           "Score for smashing"
9258 #define TEXT_SLURPING           "Score for slurping robot"
9259 #define TEXT_CRACKING           "Score for cracking"
9260 #define TEXT_AMOEBA_SPEED       "Speed of amoeba growth"
9261 #define TEXT_DURATION           "Duration when activated"
9262 #define TEXT_DELAY_ON           "Delay before activating"
9263 #define TEXT_DELAY_OFF          "Delay before deactivating"
9264 #define TEXT_DELAY_EXPLODING    "Delay before exploding"
9265 #define TEXT_DELAY_MOVING       "Delay before moving"
9266 #define TEXT_BALL_DELAY         "Element generation delay"
9267 #define TEXT_MOVE_SPEED         "Speed of android moving"
9268 #define TEXT_CLONE_SPEED        "Speed of android cloning"
9269 #define TEXT_GAME_OF_LIFE_1     "Min neighbours to survive"
9270 #define TEXT_GAME_OF_LIFE_2     "Max neighbours to survive"
9271 #define TEXT_GAME_OF_LIFE_3     "Min neighbours to create"
9272 #define TEXT_GAME_OF_LIFE_4     "Max neighbours to create"
9273 #define TEXT_TIME_BONUS         "Extra time to solve level"
9274
9275 static struct
9276 {
9277   int element;
9278   int *value;
9279   char *text;
9280 } elements_with_counter[] =
9281 {
9282   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
9283   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
9284   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
9285   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
9286   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
9287   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
9288   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
9289   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
9290   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
9291   { EL_BUG,             &level.score[SC_BUG],           TEXT_SMASHING   },
9292   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
9293   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
9294   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
9295   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
9296   { EL_BD_BUTTERFLY,    &level.score[SC_BUG],           TEXT_SMASHING   },
9297   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
9298   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
9299   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
9300   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
9301   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
9302   { EL_SPACESHIP,       &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9303   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9304   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9305   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9306   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9307   { EL_BD_FIREFLY,      &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9308   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9309   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9310   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9311   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9312   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9313   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9314   { EL_YAMYAM_LEFT,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9315   { EL_YAMYAM_RIGHT,    &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9316   { EL_YAMYAM_UP,       &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9317   { EL_YAMYAM_DOWN,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9318   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9319   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
9320   { EL_PACMAN,          &level.score[SC_PACMAN],        TEXT_SMASHING   },
9321   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
9322   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
9323   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
9324   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
9325   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
9326   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
9327   { EL_EM_DYNAMITE,     &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
9328   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
9329   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],TEXT_COLLECTING },
9330   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],TEXT_COLLECTING },
9331   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
9332   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
9333   { EL_EXTRA_TIME,      &level.extra_time_score,        TEXT_COLLECTING },
9334   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
9335   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
9336   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
9337   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
9338   { EL_EM_KEY_1,        &level.score[SC_KEY],           TEXT_COLLECTING },
9339   { EL_EM_KEY_2,        &level.score[SC_KEY],           TEXT_COLLECTING },
9340   { EL_EM_KEY_3,        &level.score[SC_KEY],           TEXT_COLLECTING },
9341   { EL_EM_KEY_4,        &level.score[SC_KEY],           TEXT_COLLECTING },
9342   { EL_EMC_KEY_5,       &level.score[SC_KEY],           TEXT_COLLECTING },
9343   { EL_EMC_KEY_6,       &level.score[SC_KEY],           TEXT_COLLECTING },
9344   { EL_EMC_KEY_7,       &level.score[SC_KEY],           TEXT_COLLECTING },
9345   { EL_EMC_KEY_8,       &level.score[SC_KEY],           TEXT_COLLECTING },
9346   { EL_DC_KEY_WHITE,    &level.score[SC_KEY],           TEXT_COLLECTING },
9347   { EL_MM_KETTLE,       &level.score[SC_EMERALD],       TEXT_COLLECTING },
9348   { EL_DF_CELL,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
9349   { EL_MM_KEY,          &level.score[SC_KEY],           TEXT_COLLECTING },
9350   { EL_MM_LIGHTBALL,    &level.score[SC_ELEM_BONUS],    TEXT_COLLECTING },
9351   { EL_MM_PACMAN,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
9352   { EL_MM_PACMAN_RIGHT, &level.score[SC_PACMAN],        TEXT_SMASHING   },
9353   { EL_MM_PACMAN_UP,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
9354   { EL_MM_PACMAN_LEFT,  &level.score[SC_PACMAN],        TEXT_SMASHING   },
9355   { EL_MM_PACMAN_DOWN,  &level.score[SC_PACMAN],        TEXT_SMASHING   },
9356   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9357   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9358   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9359   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9360   { EL_EMC_DRIPPER,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9361   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
9362   { EL_BD_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
9363   { EL_DC_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
9364   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
9365
9366   { EL_TIMEGATE_SWITCH,   &level.time_timegate,         TEXT_DURATION   },
9367   { EL_DC_TIMEGATE_SWITCH,&level.time_timegate,         TEXT_DURATION   },
9368   { EL_LIGHT_SWITCH,    &level.time_light,              TEXT_DURATION   },
9369   { EL_LIGHT_SWITCH_ACTIVE, &level.time_light,          TEXT_DURATION   },
9370   { EL_SHIELD_NORMAL,   &level.shield_normal_time,      TEXT_DURATION   },
9371   { EL_SHIELD_DEADLY,   &level.shield_deadly_time,      TEXT_DURATION   },
9372   { EL_EXTRA_TIME,      &level.extra_time,              TEXT_TIME_BONUS },
9373   { EL_TIME_ORB_FULL,   &level.time_orb_time,           TEXT_TIME_BONUS },
9374   { EL_GAME_OF_LIFE,    &level.game_of_life[0],         TEXT_GAME_OF_LIFE_1 },
9375   { EL_GAME_OF_LIFE,    &level.game_of_life[1],         TEXT_GAME_OF_LIFE_2 },
9376   { EL_GAME_OF_LIFE,    &level.game_of_life[2],         TEXT_GAME_OF_LIFE_3 },
9377   { EL_GAME_OF_LIFE,    &level.game_of_life[3],         TEXT_GAME_OF_LIFE_4 },
9378   { EL_BIOMAZE,         &level.biomaze[0],              TEXT_GAME_OF_LIFE_1 },
9379   { EL_BIOMAZE,         &level.biomaze[1],              TEXT_GAME_OF_LIFE_2 },
9380   { EL_BIOMAZE,         &level.biomaze[2],              TEXT_GAME_OF_LIFE_3 },
9381   { EL_BIOMAZE,         &level.biomaze[3],              TEXT_GAME_OF_LIFE_4 },
9382
9383   { EL_EMC_ANDROID,     &level.android_move_time,       TEXT_MOVE_SPEED },
9384   { EL_EMC_ANDROID,     &level.android_clone_time,      TEXT_CLONE_SPEED },
9385   { EL_EMC_MAGIC_BALL,  &level.ball_time,               TEXT_BALL_DELAY },
9386   { EL_EMC_LENSES,      &level.lenses_score,            TEXT_COLLECTING },
9387   { EL_EMC_MAGNIFIER,   &level.magnify_score,           TEXT_COLLECTING },
9388   { EL_SPRING,          &level.slurp_score,             TEXT_SLURPING   },
9389   { EL_EMC_LENSES,      &level.lenses_time,             TEXT_DURATION   },
9390   { EL_EMC_MAGNIFIER,   &level.magnify_time,            TEXT_DURATION   },
9391   { EL_MM_FUSE_ACTIVE,  &level.mm_time_fuse,            TEXT_DELAY_OFF  },
9392   { EL_MM_BOMB,         &level.mm_time_bomb,            TEXT_DELAY_EXPLODING },
9393   { EL_MM_GRAY_BALL,    &level.mm_time_ball,            TEXT_DELAY_ON   },
9394   { EL_MM_STEEL_BLOCK,  &level.mm_time_block,           TEXT_DELAY_MOVING },
9395   { EL_MM_WOODEN_BLOCK, &level.mm_time_block,           TEXT_DELAY_MOVING },
9396
9397   { -1,                 NULL,                           NULL            }
9398 };
9399
9400 static boolean checkPropertiesConfig(int element)
9401 {
9402   int i;
9403
9404   if (IS_GEM(element) ||
9405       IS_CUSTOM_ELEMENT(element) ||
9406       IS_GROUP_ELEMENT(element) ||
9407       IS_BALLOON_ELEMENT(element) ||
9408       IS_ENVELOPE(element) ||
9409       IS_MM_MCDUFFIN(element) ||
9410       IS_DF_LASER(element) ||
9411       ELEM_IS_PLAYER(element) ||
9412       HAS_EDITOR_CONTENT(element) ||
9413       CAN_GROW(element) ||
9414       COULD_MOVE_INTO_ACID(element) ||
9415       MAYBE_DONT_COLLIDE_WITH(element) ||
9416       element == EL_SOKOBAN_OBJECT ||
9417       element == EL_SOKOBAN_FIELD_EMPTY ||
9418       element == EL_SOKOBAN_FIELD_FULL)
9419     return TRUE;
9420   else
9421     for (i = 0; elements_with_counter[i].element != -1; i++)
9422       if (elements_with_counter[i].element == element)
9423         return TRUE;
9424
9425   return FALSE;
9426 }
9427
9428 static void SetAutomaticNumberOfGemsNeeded()
9429 {
9430   int x, y;
9431
9432   if (!level.auto_count_gems)
9433     return;
9434
9435   level.gems_needed = 0;
9436
9437   for (x = 0; x < lev_fieldx; x++)
9438   {
9439     for (y = 0; y < lev_fieldy; y++)
9440     {
9441       int element = Feld[x][y];
9442
9443       if (IS_GEM(element) ||
9444           element == EL_MM_KETTLE ||
9445           element == EL_DF_CELL)
9446         level.gems_needed++;
9447     }
9448   }
9449
9450   ModifyEditorCounterValue(ED_COUNTER_ID_LEVEL_GEMSLIMIT, level.gems_needed);
9451 }
9452
9453 static void DrawPropertiesConfig()
9454 {
9455   boolean draw_footer_line = FALSE;
9456   int max_num_element_counters = 4;
9457   int num_element_counters = 0;
9458   int i;
9459
9460   if (!checkPropertiesConfig(properties_element))
9461   {
9462     int xpos = ED_ELEMENT_SETTINGS_X(0);
9463     int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
9464
9465     PrintInfoText("No configuration options available.",
9466                   FONT_TEXT_1, xpos, ypos);
9467
9468     return;
9469   }
9470
9471   /* check if there are elements where a value can be chosen for */
9472   for (i = 0; elements_with_counter[i].element != -1; i++)
9473   {
9474     if (elements_with_counter[i].element == properties_element)
9475     {
9476       int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
9477
9478       counterbutton_info[counter_id].y =
9479         ED_ELEMENT_SETTINGS_YPOS(
9480                 (HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
9481                 (CAN_GROW(properties_element)                ? 1 : 0) +
9482                 (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
9483                 (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
9484                 (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
9485                 num_element_counters);
9486
9487       counterbutton_info[counter_id].value = elements_with_counter[i].value;
9488       counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
9489
9490       if (properties_element == EL_GAME_OF_LIFE ||
9491           properties_element == EL_BIOMAZE)
9492       {
9493         counterbutton_info[counter_id].min_value = 0;   /* min neighbours */
9494         counterbutton_info[counter_id].max_value = 8;   /* max neighbours */
9495       }
9496       else
9497       {
9498         /* !!! CHANGE THIS FOR CERTAIN ELEMENTS !!! */
9499         counterbutton_info[counter_id].min_value = MIN_SCORE;
9500         counterbutton_info[counter_id].max_value = MAX_SCORE;
9501       }
9502
9503       MapCounterButtons(counter_id);
9504
9505       num_element_counters++;
9506       if (num_element_counters >= max_num_element_counters)
9507         break;
9508     }
9509   }
9510
9511   if (HAS_EDITOR_CONTENT(properties_element))
9512   {
9513     /* draw stickybutton gadget */
9514     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9515
9516     if (IS_AMOEBOID(properties_element))
9517       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
9518     else if (properties_element == EL_YAMYAM ||
9519              properties_element == EL_YAMYAM_LEFT ||
9520              properties_element == EL_YAMYAM_RIGHT ||
9521              properties_element == EL_YAMYAM_UP ||
9522              properties_element == EL_YAMYAM_DOWN)
9523       DrawYamYamContentAreas();
9524     else if (properties_element == EL_EMC_MAGIC_BALL)
9525     {
9526       DrawMagicBallContentAreas();
9527
9528       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
9529       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_STATE);
9530     }
9531     else if (properties_element == EL_EMC_ANDROID)
9532       DrawAndroidElementArea(properties_element);
9533   }
9534
9535   if (ELEM_IS_PLAYER(properties_element))
9536   {
9537     int player_nr = GET_PLAYER_NR(properties_element);
9538
9539     /* these properties can be set for every player individually */
9540
9541     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
9542     {
9543       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
9544         &level.start_element[player_nr];
9545       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
9546         &level.artwork_element[player_nr];
9547       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
9548         &level.explosion_element[player_nr];
9549
9550       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
9551         &level.use_start_element[player_nr];
9552       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
9553         &level.use_artwork_element[player_nr];
9554       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
9555         &level.use_explosion_element[player_nr];
9556       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
9557         &level.initial_player_gravity[player_nr];
9558
9559       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
9560         &level.initial_player_stepsize[player_nr];
9561
9562       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
9563       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
9564                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
9565                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
9566       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
9567       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
9568       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
9569       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
9570       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_LAZY_RELOCATION);
9571       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
9572       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
9573       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
9574       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
9575       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
9576
9577       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
9578       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
9579       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
9580
9581       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
9582     }
9583     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
9584     {
9585       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
9586         &level.initial_inventory_content[player_nr][0];
9587
9588       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
9589         &level.initial_inventory_size[player_nr];
9590
9591       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
9592         &level.use_initial_inventory[player_nr];
9593
9594       /* draw checkbutton gadgets */
9595       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
9596
9597       /* draw counter gadgets */
9598       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
9599
9600       /* draw drawing area gadgets */
9601       DrawPlayerInitialInventoryArea(properties_element);
9602     }
9603   }
9604
9605   if (IS_GEM(properties_element))
9606     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
9607
9608   if (properties_element == EL_EM_DYNAMITE)
9609     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
9610
9611   if (COULD_MOVE_INTO_ACID(properties_element) &&
9612       !ELEM_IS_PLAYER(properties_element) &&
9613       (!IS_CUSTOM_ELEMENT(properties_element) ||
9614        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
9615   {
9616     /* set position for checkbutton for "can move into acid" */
9617     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
9618       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
9619     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
9620       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 6 :
9621                                IS_BALLOON_ELEMENT(properties_element) ||
9622                                HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
9623
9624     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
9625   }
9626
9627   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
9628     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
9629
9630   if (properties_element == EL_SPRING)
9631     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
9632
9633   if (properties_element == EL_TIME_ORB_FULL)
9634     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
9635
9636   if (CAN_GROW(properties_element))
9637   {
9638     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
9639       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
9640
9641     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
9642   }
9643
9644   if (properties_element == EL_SOKOBAN_OBJECT ||
9645       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
9646       properties_element == EL_SOKOBAN_FIELD_FULL)
9647     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
9648
9649   if (IS_BALLOON_ELEMENT(properties_element))
9650     MapSelectboxGadget(ED_SELECTBOX_ID_WIND_DIRECTION);
9651
9652   if (IS_ENVELOPE(properties_element))
9653   {
9654     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
9655     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
9656     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
9657     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
9658     int envelope_nr = properties_element - EL_ENVELOPE_1;
9659
9660     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
9661     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
9662
9663     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
9664     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
9665
9666     /* display counter to choose size of envelope text area */
9667     MapCounterButtons(counter1_id);
9668     MapCounterButtons(counter2_id);
9669
9670     /* display checkbuttons to choose auto-wrap and alignment properties */
9671     MapCheckbuttonGadget(button1_id);
9672     MapCheckbuttonGadget(button2_id);
9673
9674     DrawEnvelopeTextArea(envelope_nr);
9675   }
9676
9677   if (IS_MM_MCDUFFIN(properties_element))
9678   {
9679     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_RED);
9680     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_GREEN);
9681     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_BLUE);
9682   }
9683
9684   if (IS_DF_LASER(properties_element))
9685   {
9686     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_RED);
9687     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_GREEN);
9688     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_BLUE);
9689   }
9690
9691   if (IS_CUSTOM_ELEMENT(properties_element))
9692   {
9693     /* draw stickybutton gadget */
9694     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9695
9696     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
9697     {
9698       /* draw checkbutton gadgets */
9699       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
9700            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
9701         MapCheckbuttonGadget(i);
9702
9703       /* draw counter gadgets */
9704       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
9705            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
9706         MapCounterButtons(i);
9707
9708       /* draw selectbox gadgets */
9709       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
9710            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
9711         MapSelectboxGadget(i);
9712
9713       /* draw textbutton gadgets */
9714       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
9715
9716       /* draw text input gadgets */
9717       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
9718
9719       /* draw drawing area gadgets */
9720       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
9721
9722       draw_footer_line = TRUE;
9723     }
9724     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
9725     {
9726       /* draw checkbutton gadgets */
9727       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
9728            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
9729         MapCheckbuttonGadget(i);
9730
9731       /* draw counter gadgets */
9732       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
9733            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
9734         MapCounterButtons(i);
9735
9736       /* draw selectbox gadgets */
9737       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
9738            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
9739         MapSelectboxGadget(i);
9740
9741       /* draw drawing area gadgets */
9742       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
9743       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
9744       DrawCustomContentArea();
9745     }
9746   }
9747   else if (IS_GROUP_ELEMENT(properties_element))
9748   {
9749     /* draw stickybutton gadget */
9750     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9751
9752     /* draw checkbutton gadgets */
9753     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
9754     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
9755
9756     /* draw counter gadgets */
9757     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
9758
9759     /* draw selectbox gadgets */
9760     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
9761
9762     /* draw textbutton gadgets */
9763     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
9764
9765     /* draw drawing area gadgets */
9766     DrawGroupElementArea(properties_element);
9767
9768     /* draw text input gadgets */
9769     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
9770
9771     /* draw drawing area gadgets */
9772     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
9773
9774     draw_footer_line = TRUE;
9775   }
9776
9777   /* draw little footer border line above CE/GE use/save template gadgets */
9778   if (draw_footer_line)
9779   {
9780     struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
9781     struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
9782     int gd_x = gd->x + gd_gi1->border.width / 2;
9783     int gd_y = gd->y + gd_gi1->height - 1;
9784     Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
9785
9786     if (tab_color != BLACK_PIXEL)               /* black => transparent */
9787       FillRectangle(drawto,
9788                     SX + ED_ELEMENT_SETTINGS_X(0),
9789                     SY + ED_ELEMENT_SETTINGS_Y(14) - ED_SETTINGS_TABS_YOFFSET -
9790                     ED_TAB_BAR_HEIGHT,
9791                     getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
9792   }
9793 }
9794
9795 static void DrawPropertiesChangeDrawingAreas()
9796 {
9797   if (IS_CUSTOM_ELEMENT(properties_element))
9798   {
9799     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
9800     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
9801     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
9802
9803     DrawCustomChangeContentArea();
9804   }
9805
9806   redraw_mask |= REDRAW_FIELD;
9807 }
9808
9809 static void DrawPropertiesChange()
9810 {
9811   int i;
9812
9813   /* needed to initially set selectbox options for special action options */
9814   setSelectboxSpecialActionOptions();
9815
9816   /* draw stickybutton gadget */
9817   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9818
9819   /* draw checkbutton gadgets */
9820   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
9821        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
9822     MapCheckbuttonGadget(i);
9823
9824   /* draw counter gadgets */
9825   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
9826        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
9827     MapCounterButtons(i);
9828
9829   /* draw selectbox gadgets */
9830   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
9831        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
9832     MapSelectboxGadget(i);
9833
9834   /* draw textbutton gadgets */
9835   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
9836        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
9837     MapTextbuttonGadget(i);
9838
9839   /* draw graphicbutton gadgets */
9840   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
9841        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
9842     MapGraphicbuttonGadget(i);
9843
9844   /* draw drawing area gadgets */
9845   DrawPropertiesChangeDrawingAreas();
9846 }
9847
9848 static void DrawEditorElementAnimation(int x, int y)
9849 {
9850   int graphic = el2img(properties_element);
9851   int frame = (ANIM_MODE(graphic) == ANIM_CE_VALUE ?
9852                custom_element.ce_value_fixed_initial :
9853                ANIM_MODE(graphic) == ANIM_CE_SCORE ?
9854                custom_element.collect_score_initial : FrameCounter);
9855
9856   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
9857 }
9858
9859 static void DrawEditorElementName(int x, int y, int font_nr)
9860 {
9861   char *element_name = getElementInfoText(properties_element);
9862   int font_width = getFontWidth(font_nr);
9863   int font_height = getFontHeight(font_nr);
9864   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_X(0);
9865   int max_chars_per_line = max_text_width / font_width;
9866   char buffer[max_chars_per_line + 1];
9867
9868   if (strlen(element_name) <= max_chars_per_line)
9869     DrawTextS(x, y, font_nr, element_name);
9870   else
9871   {
9872     int next_pos = max_chars_per_line;
9873
9874     strncpy(buffer, element_name, max_chars_per_line);
9875     buffer[max_chars_per_line] = '\0';
9876
9877     if (element_name[max_chars_per_line] == ' ')
9878       next_pos++;
9879     else
9880     {
9881       int i;
9882
9883       for (i = max_chars_per_line - 1; i >= 0; i--)
9884         if (buffer[i] == ' ')
9885           break;
9886
9887       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
9888       {
9889         buffer[i] = '\0';
9890         next_pos = i + 1;
9891       }
9892     }
9893
9894     DrawTextS(x, y - font_height / 2, font_nr, buffer);
9895
9896     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
9897     buffer[max_chars_per_line] = '\0';
9898
9899     DrawTextS(x, y + font_height / 2, font_nr, buffer);
9900   }
9901 }
9902
9903 static void DrawPropertiesWindow()
9904 {
9905   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
9906   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
9907   int border_size = gd->border_size;
9908   int font_nr = FONT_TEXT_1;
9909   int font_height = getFontHeight(font_nr);
9910   int xoffset = TILEX + element_border + 3 * border_size;
9911   int yoffset = (TILEY - font_height) / 2;
9912   int x1 = editor.settings.element_graphic.x + element_border;
9913   int y1 = editor.settings.element_graphic.y + element_border;
9914   int x2 = (editor.settings.element_name.x == -1 ? x1 + xoffset :
9915             editor.settings.element_name.x);
9916   int y2 = (editor.settings.element_name.y == -1 ? y1 + yoffset :
9917             editor.settings.element_name.y);
9918   char *text = "Element Settings";
9919   int font2_nr = FONT_TITLE_1;
9920   struct MenuPosInfo *pos = &editor.settings.headline;
9921   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font2_nr), pos->align);
9922   int sy = SY + pos->y;
9923
9924   stick_element_properties_window = FALSE;
9925
9926   /* make sure that previous properties edit mode exists for this element */
9927   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
9928       !IS_CUSTOM_ELEMENT(properties_element))
9929     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
9930
9931   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
9932       !ELEM_IS_PLAYER(properties_element) &&
9933       !IS_CUSTOM_ELEMENT(properties_element))
9934     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
9935
9936   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
9937       (ELEM_IS_PLAYER(properties_element) ||
9938        IS_CUSTOM_ELEMENT(properties_element)))
9939     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
9940
9941   CopyElementPropertiesToEditor(properties_element);
9942
9943   UnmapLevelEditorFieldGadgets();
9944   UnmapLevelEditorToolboxDrawingGadgets();
9945   UnmapLevelEditorToolboxCustomGadgets();
9946
9947   if (IS_CUSTOM_ELEMENT(properties_element) ||
9948       IS_GROUP_ELEMENT(properties_element))
9949     MapLevelEditorToolboxCustomGadgets();
9950
9951   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
9952   ClearField();
9953
9954   DrawText(sx, sy, text, font2_nr);
9955
9956   FrameCounter = 0;     /* restart animation frame counter */
9957
9958   DrawElementBorder(SX + x1, SY + y1, TILEX, TILEY, FALSE);
9959   DrawEditorElementAnimation(SX + x1, SY + y1);
9960   DrawEditorElementName(x2, y2, font_nr);
9961
9962   DrawPropertiesTabulatorGadgets();
9963
9964   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
9965     DrawPropertiesInfo();
9966   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
9967     DrawPropertiesChange();
9968   else  /* (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2]) */
9969     DrawPropertiesConfig();
9970 }
9971
9972 static void DrawPaletteWindow()
9973 {
9974   int i;
9975
9976   UnmapLevelEditorFieldGadgets();
9977
9978   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
9979   ClearField();
9980
9981   /* map buttons to select elements */
9982   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
9983     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
9984   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
9985   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
9986   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
9987 }
9988
9989 static void UpdateCustomElementGraphicGadgets()
9990 {
9991   int i;
9992
9993   InitElementPropertiesGfxElement();
9994
9995   ModifyEditorElementList();
9996   RedrawDrawingElements();
9997
9998   /* force redraw of all mapped drawing area gadgets */
9999   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
10000   {
10001     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
10002
10003     if (gi->mapped)
10004       MapDrawingArea(i);
10005   }
10006 }
10007
10008 static int getOpenDirectionFromTube(int element)
10009 {
10010   switch (element)
10011   {
10012     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
10013     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
10014     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
10015     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
10016     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
10017     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
10018     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
10019     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
10020     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
10021     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
10022     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
10023   }
10024
10025   return MV_NONE;
10026 }
10027
10028 static int getTubeFromOpenDirection(int direction)
10029 {
10030   switch (direction)
10031   {
10032     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
10033     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
10034     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
10035     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
10036     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
10037     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
10038     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
10039     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
10040     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
10041     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
10042     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
10043
10044     /* if only one direction, fall back to simple tube with that direction */
10045     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
10046     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
10047     case (MV_UP):                       return EL_TUBE_VERTICAL;
10048     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
10049   }
10050
10051   return EL_EMPTY;
10052 }
10053
10054 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
10055 {
10056   int element_new = getTubeFromOpenDirection(direction);
10057
10058   return (element_new != EL_EMPTY ? element_new : element_old);
10059 }
10060
10061 static int getOpenDirectionFromBelt(int element)
10062 {
10063   int belt_dir = getBeltDirFromBeltElement(element);
10064
10065   return (belt_dir == MV_LEFT ? MV_RIGHT :
10066           belt_dir == MV_RIGHT ? MV_LEFT :
10067           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
10068 }
10069
10070 static int getBeltFromNrAndOpenDirection(int nr, int direction)
10071 {
10072   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
10073                   direction == MV_RIGHT ? MV_LEFT :
10074                   direction == MV_HORIZONTAL ? MV_NONE : direction);
10075
10076   if (direction == MV_NONE)
10077     return EL_EMPTY;
10078
10079   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
10080 }
10081
10082 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
10083                                                  int element_old)
10084 {
10085   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
10086
10087   return (element_new != EL_EMPTY ? element_new : element_old);
10088 }
10089
10090 static int getOpenDirectionFromPool(int element)
10091 {
10092   switch (element)
10093   {
10094     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
10095     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
10096     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
10097     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
10098     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
10099     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
10100   }
10101
10102   return MV_NONE;
10103 }
10104
10105 static int getPoolFromOpenDirection(int direction)
10106 {
10107   switch (direction)
10108   {
10109     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
10110     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
10111     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
10112     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
10113     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
10114     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
10115   }
10116
10117   return EL_EMPTY;
10118 }
10119
10120 static int getPoolFromOpenDirectionExt(int direction, int help_element)
10121 {
10122   int element = getPoolFromOpenDirection(direction);
10123   int help_direction = getOpenDirectionFromPool(help_element);
10124
10125   if (element == EL_EMPTY)
10126   {
10127     int help_direction_vertical = help_direction & MV_VERTICAL;
10128
10129     element = getPoolFromOpenDirection(direction | help_direction_vertical);
10130   }
10131
10132   if (element == EL_EMPTY)
10133   {
10134     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
10135
10136     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
10137   }
10138
10139   return element;
10140 }
10141
10142 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
10143 {
10144   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
10145
10146   return (element_new != EL_EMPTY ? element_new : element_old);
10147 }
10148
10149 static int getOpenDirectionFromPillar(int element)
10150 {
10151   switch (element)
10152   {
10153     case EL_EMC_WALL_1:                 return (MV_DOWN);
10154     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
10155     case EL_EMC_WALL_3:                 return (MV_UP);
10156   }
10157
10158   return MV_NONE;
10159 }
10160
10161 static int getPillarFromOpenDirection(int direction)
10162 {
10163   switch (direction)
10164   {
10165     case (MV_DOWN):                     return EL_EMC_WALL_1;
10166     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
10167     case (MV_UP):                       return EL_EMC_WALL_3;
10168   }
10169
10170   return EL_EMPTY;
10171 }
10172
10173 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
10174 {
10175   int element_new = getPillarFromOpenDirection(direction);
10176
10177   return (element_new != EL_EMPTY ? element_new : element_old);
10178 }
10179
10180 static int getOpenDirectionFromSteel2(int element)
10181 {
10182   switch (element)
10183   {
10184     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
10185     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
10186     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
10187     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
10188     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
10189     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
10190     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
10191     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
10192   }
10193
10194   return MV_NONE;
10195 }
10196
10197 static int getSteel2FromOpenDirection(int direction)
10198 {
10199   switch (direction)
10200   {
10201     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
10202     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
10203     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
10204     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
10205     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
10206     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
10207     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
10208     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
10209   }
10210
10211   return EL_EMPTY;
10212 }
10213
10214 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
10215 {
10216   int element_new = getSteel2FromOpenDirection(direction);
10217
10218   return (element_new != EL_EMPTY ? element_new : element_old);
10219 }
10220
10221 static int getOpenDirectionFromChip(int element)
10222 {
10223   switch (element)
10224   {
10225     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
10226     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
10227     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
10228     case EL_SP_CHIP_TOP:                return (MV_DOWN);
10229     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
10230   }
10231
10232   return MV_NONE;
10233 }
10234
10235 static int getChipFromOpenDirection(int direction)
10236 {
10237   switch (direction)
10238   {
10239     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
10240     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
10241     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
10242     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
10243     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
10244   }
10245
10246   return EL_EMPTY;
10247 }
10248
10249 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
10250 {
10251   int element_new = getChipFromOpenDirection(direction);
10252
10253   return (element_new != EL_EMPTY ? element_new : element_old);
10254 }
10255
10256 static int getClosedTube(int x, int y)
10257 {
10258   static int xy[4][2] =
10259   {
10260     { -1, 0 },
10261     { +1, 0 },
10262     { 0, -1 },
10263     { 0, +1 }
10264   };
10265   int element_old = IntelliDrawBuffer[x][y];
10266   int direction_old = getOpenDirectionFromTube(element_old);
10267   int direction_new = MV_NONE;
10268   int i;
10269
10270   for (i = 0; i < NUM_DIRECTIONS; i++)
10271   {
10272     int xx = x + xy[i][0];
10273     int yy = y + xy[i][1];
10274     int dir = MV_DIR_FROM_BIT(i);
10275     int dir_opposite = MV_DIR_OPPOSITE(dir);
10276
10277     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
10278         (direction_old & dir) &&
10279         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10280       direction_new |= dir;
10281   }
10282
10283   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
10284 }
10285
10286 static int getClosedBelt(int x, int y)
10287 {
10288   static int xy[4][2] =
10289   {
10290     { -1, 0 },
10291     { +1, 0 },
10292     { 0, -1 },
10293     { 0, +1 }
10294   };
10295   int element_old = IntelliDrawBuffer[x][y];
10296   int nr = getBeltNrFromBeltElement(element_old);
10297   int direction_old = getOpenDirectionFromBelt(element_old);
10298   int direction_new = MV_NONE;
10299   int i;
10300
10301   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
10302   {
10303     int xx = x + xy[i][0];
10304     int yy = y + xy[i][1];
10305     int dir = MV_DIR_FROM_BIT(i);
10306     int dir_opposite = MV_DIR_OPPOSITE(dir);
10307
10308     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
10309         (direction_old & dir) &&
10310         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10311       direction_new |= dir;
10312   }
10313
10314   return getBeltFromNrAndOpenDirection(nr, direction_new);
10315 }
10316
10317 static int getClosedPool(int x, int y)
10318 {
10319   static int xy[4][2] =
10320   {
10321     { -1, 0 },
10322     { +1, 0 },
10323     { 0, -1 },
10324     { 0, +1 }
10325   };
10326   int element_old = IntelliDrawBuffer[x][y];
10327   int direction_old = getOpenDirectionFromPool(element_old);
10328   int direction_new = MV_NONE;
10329   int i;
10330
10331   for (i = 0; i < NUM_DIRECTIONS; i++)
10332   {
10333     int xx = x + xy[i][0];
10334     int yy = y + xy[i][1];
10335     int dir = MV_DIR_FROM_BIT(i);
10336     int dir_opposite = MV_DIR_OPPOSITE(dir);
10337
10338     if (IN_LEV_FIELD(xx, yy) &&
10339         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
10340         (direction_old & dir) &&
10341         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10342       direction_new |= dir;
10343   }
10344
10345   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
10346 }
10347
10348 static int getClosedPillar(int x, int y)
10349 {
10350   static int xy[4][2] =
10351   {
10352     { -1, 0 },
10353     { +1, 0 },
10354     { 0, -1 },
10355     { 0, +1 }
10356   };
10357   int element_old = IntelliDrawBuffer[x][y];
10358   int direction_old = getOpenDirectionFromPillar(element_old);
10359   int direction_new = MV_NONE;
10360   int i;
10361
10362   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
10363   {
10364     int xx = x + xy[i][0];
10365     int yy = y + xy[i][1];
10366     int dir = MV_DIR_FROM_BIT(i);
10367     int dir_opposite = MV_DIR_OPPOSITE(dir);
10368
10369     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
10370         (direction_old & dir) &&
10371         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10372       direction_new |= dir;
10373   }
10374
10375   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
10376 }
10377
10378 static int getClosedSteel2(int x, int y)
10379 {
10380   static int xy[4][2] =
10381   {
10382     { -1, 0 },
10383     { +1, 0 },
10384     { 0, -1 },
10385     { 0, +1 }
10386   };
10387   int element_old = IntelliDrawBuffer[x][y];
10388   int direction_old = getOpenDirectionFromSteel2(element_old);
10389   int direction_new = MV_NONE;
10390   int i;
10391
10392   for (i = 0; i < NUM_DIRECTIONS; i++)
10393   {
10394     int xx = x + xy[i][0];
10395     int yy = y + xy[i][1];
10396     int dir = MV_DIR_FROM_BIT(i);
10397     int dir_opposite = MV_DIR_OPPOSITE(dir);
10398
10399     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
10400         (direction_old & dir) &&
10401         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10402       direction_new |= dir;
10403   }
10404
10405   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
10406 }
10407
10408 static int getClosedChip(int x, int y)
10409 {
10410   static int xy[4][2] =
10411   {
10412     { -1, 0 },
10413     { +1, 0 },
10414     { 0, -1 },
10415     { 0, +1 }
10416   };
10417   int element_old = IntelliDrawBuffer[x][y];
10418   int direction_old = getOpenDirectionFromChip(element_old);
10419   int direction_new = MV_NONE;
10420   int i;
10421
10422   for (i = 0; i < NUM_DIRECTIONS; i++)
10423   {
10424     int xx = x + xy[i][0];
10425     int yy = y + xy[i][1];
10426     int dir = MV_DIR_FROM_BIT(i);
10427     int dir_opposite = MV_DIR_OPPOSITE(dir);
10428
10429     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
10430         (direction_old & dir) &&
10431         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10432       direction_new |= dir;
10433   }
10434
10435   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
10436 }
10437
10438 static void SetElementSimpleExt(int x, int y, int dx, int dy, int element,
10439                                 boolean change_level)
10440 {
10441   int sx = x - level_xpos;
10442   int sy = y - level_ypos;
10443   int old_element = Feld[x][y];
10444   int new_element = element;
10445   unsigned int new_bitmask = (getDrawModeHiRes() ? (dx + 1) << (dy * 2) : 0x0f);
10446   boolean draw_masked = FALSE;
10447
10448   if (IS_MM_WALL_EDITOR(element))
10449   {
10450     element = map_mm_wall_element_editor(element) | new_bitmask;
10451
10452     if (IS_MM_WALL(old_element))
10453       element |= MM_WALL_BITS(old_element);
10454
10455     if (!change_level)
10456       draw_masked = TRUE;
10457   }
10458   else if (IS_MM_WALL(old_element) && element == EL_EMPTY)
10459   {
10460     int element_changed = old_element & ~new_bitmask;
10461
10462     if (MM_WALL_BITS(element_changed) != 0)
10463       element = element_changed;
10464   }
10465
10466   IntelliDrawBuffer[x][y] = element;
10467
10468   if (change_level)
10469     Feld[x][y] = element;
10470
10471   if (IN_ED_FIELD(sx, sy))
10472   {
10473     if (IS_MM_WALL(old_element) && new_element == EL_EMPTY)
10474       DrawSizedWallParts_MM(sx, sy, EL_EMPTY, ed_tilesize, FALSE, new_bitmask);
10475     else if (draw_masked)
10476       DrawEditorElementThruMask(sx, sy, element);
10477     else
10478       DrawEditorElement(sx, sy, element);
10479   }
10480 }
10481
10482 static void SetElementSimple(int x, int y, int element, boolean change_level)
10483 {
10484   SetElementSimpleExt(x, y, 0, 0, element, change_level);
10485 }
10486
10487 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
10488                                            int x2, int y2, int *element2,
10489                                            int (*close_function)(int, int),
10490                                            boolean change_level)
10491 {
10492   /* set neighbour elements to newly determined connections */
10493   SetElementSimple(x1, y1, *element1, change_level);
10494   SetElementSimple(x2, y2, *element2, change_level);
10495
10496   /* remove all open connections of neighbour elements */
10497   *element1 = close_function(x1, y1);
10498   *element2 = close_function(x2, y2);
10499
10500   /* set neighbour elements to new, minimized connections */
10501   SetElementSimple(x1, y1, *element1, change_level);
10502   SetElementSimple(x2, y2, *element2, change_level);
10503 }
10504
10505 static void SetElementIntelliDraw(int x, int y, int new_element,
10506                                   boolean change_level, int button)
10507 {
10508   static int xy[4][2] =
10509   {
10510     { -1, 0 },
10511     { +1, 0 },
10512     { 0, -1 },
10513     { 0, +1 }
10514   };
10515   static int last_x = -1;
10516   static int last_y = -1;
10517   int old_element = IntelliDrawBuffer[x][y];
10518
10519   if (new_element == EL_UNDEFINED)
10520   {
10521     last_x = -1;
10522     last_y = -1;
10523
10524     return;
10525   }
10526
10527   if (IS_TUBE(new_element))
10528   {
10529     int last_element_new = EL_UNDEFINED;
10530     int direction = MV_NONE;
10531     int i;
10532
10533     /* if old element is of same kind, keep all existing directions */
10534     if (IS_TUBE(old_element))
10535       direction |= getOpenDirectionFromTube(old_element);
10536
10537     for (i = 0; i < NUM_DIRECTIONS; i++)
10538     {
10539       int xx = x + xy[i][0];
10540       int yy = y + xy[i][1];
10541
10542       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10543           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
10544       {
10545         int dir = MV_DIR_FROM_BIT(i);
10546         int dir_opposite = MV_DIR_OPPOSITE(dir);
10547         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10548         int last_direction_old = getOpenDirectionFromTube(last_element_old);
10549         int last_direction_new = last_direction_old | dir_opposite;
10550
10551         last_element_new = getTubeFromOpenDirection(last_direction_new);
10552
10553         direction |= dir;
10554       }
10555     }
10556
10557     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
10558
10559     if (last_element_new != EL_UNDEFINED)
10560       MergeAndCloseNeighbourElements(x, y, &new_element,
10561                                      last_x, last_y, &last_element_new,
10562                                      getClosedTube, change_level);
10563   }
10564   else if (IS_BELT(new_element))
10565   {
10566     int belt_nr = getBeltNrFromBeltElement(new_element);
10567     int last_element_new = EL_UNDEFINED;
10568     int direction = MV_NONE;
10569     int i;
10570
10571     /* if old element is of same kind, keep all existing directions */
10572     if (IS_BELT(old_element))
10573       direction |= getOpenDirectionFromBelt(old_element);
10574
10575     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
10576     {
10577       int xx = x + xy[i][0];
10578       int yy = y + xy[i][1];
10579
10580       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10581           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
10582       {
10583         int dir = MV_DIR_FROM_BIT(i);
10584         int dir_opposite = MV_DIR_OPPOSITE(dir);
10585         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10586         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
10587         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
10588         int last_direction_new = last_direction_old | dir_opposite;
10589
10590         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
10591                                                          last_direction_new);
10592         direction |= dir;
10593       }
10594     }
10595
10596     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
10597                                                         new_element);
10598     if (last_element_new != EL_UNDEFINED)
10599       MergeAndCloseNeighbourElements(x, y, &new_element,
10600                                      last_x, last_y, &last_element_new,
10601                                      getClosedBelt, change_level);
10602   }
10603   else if (IS_ACID_POOL_OR_ACID(new_element))
10604   {
10605     int last_element_new = EL_UNDEFINED;
10606     int direction = MV_NONE;
10607     int i;
10608
10609     /* if old element is of same kind, keep all existing directions */
10610     if (IS_ACID_POOL_OR_ACID(old_element))
10611       direction |= getOpenDirectionFromPool(old_element);
10612
10613     for (i = 0; i < NUM_DIRECTIONS; i++)
10614     {
10615       int xx = x + xy[i][0];
10616       int yy = y + xy[i][1];
10617
10618       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10619           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
10620       {
10621         int dir = MV_DIR_FROM_BIT(i);
10622         int dir_opposite = MV_DIR_OPPOSITE(dir);
10623         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10624         int last_direction_old = getOpenDirectionFromPool(last_element_old);
10625         int last_direction_new = last_direction_old | dir_opposite;
10626
10627         last_element_new = getPoolFromOpenDirection(last_direction_new);
10628
10629         direction |= dir;
10630       }
10631     }
10632
10633     /* special corrections needed for intuitively correct acid pool drawing */
10634     if (last_element_new == EL_EMPTY)
10635       last_element_new = new_element;
10636     else if (last_element_new != EL_UNDEFINED)
10637       new_element = last_element_new;
10638
10639     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
10640
10641     if (last_element_new != EL_UNDEFINED)
10642       MergeAndCloseNeighbourElements(x, y, &new_element,
10643                                      last_x, last_y, &last_element_new,
10644                                      getClosedPool, change_level);
10645   }
10646   else if (IS_EMC_PILLAR(new_element))
10647   {
10648     int last_element_new = EL_UNDEFINED;
10649     int direction = MV_NONE;
10650     int i;
10651
10652     /* if old element is of same kind, keep all existing directions */
10653     if (IS_EMC_PILLAR(old_element))
10654       direction |= getOpenDirectionFromPillar(old_element);
10655
10656     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
10657     {
10658       int xx = x + xy[i][0];
10659       int yy = y + xy[i][1];
10660
10661       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10662           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
10663       {
10664         int dir = MV_DIR_FROM_BIT(i);
10665         int dir_opposite = MV_DIR_OPPOSITE(dir);
10666         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10667         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
10668         int last_direction_new = last_direction_old | dir_opposite;
10669
10670         last_element_new = getPillarFromOpenDirection(last_direction_new);
10671
10672         direction |= dir;
10673       }
10674     }
10675
10676     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
10677
10678     if (last_element_new != EL_UNDEFINED)
10679       MergeAndCloseNeighbourElements(x, y, &new_element,
10680                                      last_x, last_y, &last_element_new,
10681                                      getClosedPillar, change_level);
10682   }
10683   else if (IS_DC_STEELWALL_2(new_element))
10684   {
10685     int last_element_new = EL_UNDEFINED;
10686     int direction = MV_NONE;
10687     int i;
10688
10689     /* if old element is of same kind, keep all existing directions */
10690     if (IS_DC_STEELWALL_2(old_element))
10691       direction |= getOpenDirectionFromSteel2(old_element);
10692
10693     for (i = 0; i < NUM_DIRECTIONS; i++)
10694     {
10695       int xx = x + xy[i][0];
10696       int yy = y + xy[i][1];
10697
10698       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10699           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
10700       {
10701         int dir = MV_DIR_FROM_BIT(i);
10702         int dir_opposite = MV_DIR_OPPOSITE(dir);
10703         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10704         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
10705         int last_direction_new = last_direction_old | dir_opposite;
10706
10707         last_element_new = getSteel2FromOpenDirection(last_direction_new);
10708
10709         direction |= dir;
10710       }
10711     }
10712
10713     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
10714
10715     if (last_element_new != EL_UNDEFINED)
10716       MergeAndCloseNeighbourElements(x, y, &new_element,
10717                                      last_x, last_y, &last_element_new,
10718                                      getClosedSteel2, change_level);
10719   }
10720   else if (IS_SP_CHIP(new_element))
10721   {
10722     int last_element_new = EL_UNDEFINED;
10723     int direction = MV_NONE;
10724     int i;
10725
10726     /* (do not keep existing directions, regardless of kind of old element) */
10727
10728     for (i = 0; i < NUM_DIRECTIONS; i++)
10729     {
10730       int xx = x + xy[i][0];
10731       int yy = y + xy[i][1];
10732
10733       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10734           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
10735       {
10736         int dir = MV_DIR_FROM_BIT(i);
10737         int dir_opposite = MV_DIR_OPPOSITE(dir);
10738         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10739         int last_direction_old = getOpenDirectionFromChip(last_element_old);
10740         int last_direction_new = last_direction_old | dir_opposite;
10741
10742         if (last_direction_old == MV_NONE)
10743         {
10744           last_element_new = getChipFromOpenDirection(last_direction_new);
10745           direction |= dir;
10746         }
10747         else if (last_direction_old & (dir | dir_opposite))
10748         {
10749           direction |= MV_DIR_OPPOSITE(last_direction_old);
10750         }
10751         else
10752         {
10753           direction |= MV_DIR_OPPOSITE(dir);
10754         }
10755       }
10756     }
10757
10758     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
10759
10760     if (last_element_new != EL_UNDEFINED)
10761       MergeAndCloseNeighbourElements(x, y, &new_element,
10762                                      last_x, last_y, &last_element_new,
10763                                      getClosedChip, change_level);
10764   }
10765   else if (IS_SP_HARDWARE_BASE(new_element))
10766   {
10767     int nr = GetSimpleRandom(6);
10768
10769     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
10770                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
10771                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
10772                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
10773                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
10774   }
10775   else if (new_element == EL_SP_HARDWARE_GREEN ||
10776            new_element == EL_SP_HARDWARE_BLUE ||
10777            new_element == EL_SP_HARDWARE_RED)
10778   {
10779     int nr = GetSimpleRandom(3);
10780
10781     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
10782                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
10783   }
10784   else if (IS_GROUP_ELEMENT(new_element))
10785   {
10786     boolean connected_drawing = FALSE;
10787     int i;
10788
10789     for (i = 0; i < NUM_DIRECTIONS; i++)
10790     {
10791       int xx = x + xy[i][0];
10792       int yy = y + xy[i][1];
10793
10794       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10795           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
10796         connected_drawing = TRUE;
10797     }
10798
10799     if (!connected_drawing)
10800       ResolveGroupElement(new_element);
10801
10802     new_element = GetElementFromGroupElement(new_element);
10803   }
10804   else if (IS_BELT_SWITCH(old_element))
10805   {
10806     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
10807     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
10808
10809     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
10810                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
10811
10812     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
10813   }
10814   else
10815   {
10816     static int swappable_elements[][2] =
10817     {
10818       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
10819       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
10820       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
10821       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
10822       { EL_EMERALD,                     EL_WALL_EMERALD                 },
10823       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
10824       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
10825       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
10826       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
10827       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
10828       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
10829       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
10830       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
10831       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
10832       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
10833       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
10834       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
10835       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
10836       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
10837       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
10838       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
10839       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
10840       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
10841       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
10842       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
10843       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
10844       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
10845       { EL_PEARL,                       EL_WALL_PEARL                   },
10846       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
10847       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
10848       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
10849       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
10850       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
10851       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
10852       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
10853       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
10854       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
10855       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
10856       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
10857       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
10858       { EL_MM_EXIT_CLOSED,              EL_MM_EXIT_OPEN                 },
10859       { EL_MM_FUSE,                     EL_MM_FUSE_ACTIVE               },
10860       { EL_MM_LIGHTBULB,                EL_MM_LIGHTBULB_ACTIVE          },
10861       { EL_MM_FUEL_EMPTY,               EL_MM_FUEL_FULL                 },
10862
10863       { -1,                             -1                              },
10864     };
10865     static int rotatable_elements_4[][4] =
10866     {
10867       {
10868         EL_BUG_UP,
10869         EL_BUG_RIGHT,
10870         EL_BUG_DOWN,
10871         EL_BUG_LEFT
10872       },
10873       {
10874         EL_SPACESHIP_UP,
10875         EL_SPACESHIP_RIGHT,
10876         EL_SPACESHIP_DOWN,
10877         EL_SPACESHIP_LEFT
10878       },
10879       {
10880         EL_BD_BUTTERFLY_UP,
10881         EL_BD_BUTTERFLY_RIGHT,
10882         EL_BD_BUTTERFLY_DOWN,
10883         EL_BD_BUTTERFLY_LEFT
10884       },
10885       {
10886         EL_BD_FIREFLY_UP,
10887         EL_BD_FIREFLY_RIGHT,
10888         EL_BD_FIREFLY_DOWN,
10889         EL_BD_FIREFLY_LEFT
10890       },
10891       {
10892         EL_PACMAN_UP,
10893         EL_PACMAN_RIGHT,
10894         EL_PACMAN_DOWN,
10895         EL_PACMAN_LEFT
10896       },
10897       {
10898         EL_YAMYAM_UP,
10899         EL_YAMYAM_RIGHT,
10900         EL_YAMYAM_DOWN,
10901         EL_YAMYAM_LEFT
10902       },
10903       {
10904         EL_ARROW_UP,
10905         EL_ARROW_RIGHT,
10906         EL_ARROW_DOWN,
10907         EL_ARROW_LEFT
10908       },
10909       {
10910         EL_SP_PORT_UP,
10911         EL_SP_PORT_RIGHT,
10912         EL_SP_PORT_DOWN,
10913         EL_SP_PORT_LEFT
10914       },
10915       {
10916         EL_SP_GRAVITY_PORT_UP,
10917         EL_SP_GRAVITY_PORT_RIGHT,
10918         EL_SP_GRAVITY_PORT_DOWN,
10919         EL_SP_GRAVITY_PORT_LEFT
10920       },
10921       {
10922         EL_SP_GRAVITY_ON_PORT_UP,
10923         EL_SP_GRAVITY_ON_PORT_RIGHT,
10924         EL_SP_GRAVITY_ON_PORT_DOWN,
10925         EL_SP_GRAVITY_ON_PORT_LEFT
10926       },
10927       {
10928         EL_SP_GRAVITY_OFF_PORT_UP,
10929         EL_SP_GRAVITY_OFF_PORT_RIGHT,
10930         EL_SP_GRAVITY_OFF_PORT_DOWN,
10931         EL_SP_GRAVITY_OFF_PORT_LEFT
10932       },
10933       {
10934         EL_MOLE_UP,
10935         EL_MOLE_RIGHT,
10936         EL_MOLE_DOWN,
10937         EL_MOLE_LEFT
10938       },
10939       {
10940         EL_BALLOON_SWITCH_UP,
10941         EL_BALLOON_SWITCH_RIGHT,
10942         EL_BALLOON_SWITCH_DOWN,
10943         EL_BALLOON_SWITCH_LEFT
10944       },
10945       {
10946         EL_MM_MCDUFFIN_UP,
10947         EL_MM_MCDUFFIN_RIGHT,
10948         EL_MM_MCDUFFIN_DOWN,
10949         EL_MM_MCDUFFIN_LEFT
10950       },
10951       {
10952         EL_MM_MIRROR_FIXED_1,
10953         EL_MM_MIRROR_FIXED_4,
10954         EL_MM_MIRROR_FIXED_3,
10955         EL_MM_MIRROR_FIXED_2
10956       },
10957       {
10958         EL_MM_STEEL_GRID_FIXED_1,
10959         EL_MM_STEEL_GRID_FIXED_4,
10960         EL_MM_STEEL_GRID_FIXED_2,
10961         EL_MM_STEEL_GRID_FIXED_3
10962       },
10963       {
10964         EL_MM_WOODEN_GRID_FIXED_1,
10965         EL_MM_WOODEN_GRID_FIXED_4,
10966         EL_MM_WOODEN_GRID_FIXED_2,
10967         EL_MM_WOODEN_GRID_FIXED_3
10968       },
10969       {
10970         EL_MM_POLARISATOR_CROSS_1,
10971         EL_MM_POLARISATOR_CROSS_4,
10972         EL_MM_POLARISATOR_CROSS_3,
10973         EL_MM_POLARISATOR_CROSS_2
10974       },
10975       {
10976         EL_MM_PACMAN_UP,
10977         EL_MM_PACMAN_RIGHT,
10978         EL_MM_PACMAN_DOWN,
10979         EL_MM_PACMAN_LEFT
10980       },
10981       {
10982         EL_DF_LASER_UP,
10983         EL_DF_LASER_RIGHT,
10984         EL_DF_LASER_DOWN,
10985         EL_DF_LASER_LEFT
10986       },
10987       {
10988         EL_DF_RECEIVER_UP,
10989         EL_DF_RECEIVER_RIGHT,
10990         EL_DF_RECEIVER_DOWN,
10991         EL_DF_RECEIVER_LEFT
10992       },
10993
10994       {
10995         -1,
10996       },
10997     };
10998     static int rotatable_elements_8[][8] =
10999     {
11000       {
11001         EL_DF_STEEL_GRID_FIXED_1,
11002         EL_DF_STEEL_GRID_FIXED_8,
11003         EL_DF_STEEL_GRID_FIXED_7,
11004         EL_DF_STEEL_GRID_FIXED_6,
11005         EL_DF_STEEL_GRID_FIXED_5,
11006         EL_DF_STEEL_GRID_FIXED_4,
11007         EL_DF_STEEL_GRID_FIXED_3,
11008         EL_DF_STEEL_GRID_FIXED_2
11009       },
11010       {
11011         EL_DF_WOODEN_GRID_FIXED_1,
11012         EL_DF_WOODEN_GRID_FIXED_8,
11013         EL_DF_WOODEN_GRID_FIXED_7,
11014         EL_DF_WOODEN_GRID_FIXED_6,
11015         EL_DF_WOODEN_GRID_FIXED_5,
11016         EL_DF_WOODEN_GRID_FIXED_4,
11017         EL_DF_WOODEN_GRID_FIXED_3,
11018         EL_DF_WOODEN_GRID_FIXED_2
11019       },
11020       {
11021         EL_DF_STEEL_GRID_ROTATING_1,
11022         EL_DF_STEEL_GRID_ROTATING_8,
11023         EL_DF_STEEL_GRID_ROTATING_7,
11024         EL_DF_STEEL_GRID_ROTATING_6,
11025         EL_DF_STEEL_GRID_ROTATING_5,
11026         EL_DF_STEEL_GRID_ROTATING_4,
11027         EL_DF_STEEL_GRID_ROTATING_3,
11028         EL_DF_STEEL_GRID_ROTATING_2
11029       },
11030       {
11031         EL_DF_WOODEN_GRID_ROTATING_1,
11032         EL_DF_WOODEN_GRID_ROTATING_8,
11033         EL_DF_WOODEN_GRID_ROTATING_7,
11034         EL_DF_WOODEN_GRID_ROTATING_6,
11035         EL_DF_WOODEN_GRID_ROTATING_5,
11036         EL_DF_WOODEN_GRID_ROTATING_4,
11037         EL_DF_WOODEN_GRID_ROTATING_3,
11038         EL_DF_WOODEN_GRID_ROTATING_2
11039       },
11040
11041       {
11042         -1,
11043       },
11044     };
11045     static int rotatable_elements_16[][16] =
11046     {
11047       {
11048         EL_MM_MIRROR_1,
11049         EL_MM_MIRROR_16,
11050         EL_MM_MIRROR_15,
11051         EL_MM_MIRROR_14,
11052         EL_MM_MIRROR_13,
11053         EL_MM_MIRROR_12,
11054         EL_MM_MIRROR_11,
11055         EL_MM_MIRROR_10,
11056         EL_MM_MIRROR_9,
11057         EL_MM_MIRROR_8,
11058         EL_MM_MIRROR_7,
11059         EL_MM_MIRROR_6,
11060         EL_MM_MIRROR_5,
11061         EL_MM_MIRROR_4,
11062         EL_MM_MIRROR_3,
11063         EL_MM_MIRROR_2
11064       },
11065       {
11066         EL_MM_BEAMER_5,
11067         EL_MM_BEAMER_4,
11068         EL_MM_BEAMER_3,
11069         EL_MM_BEAMER_2,
11070         EL_MM_BEAMER_1,
11071         EL_MM_BEAMER_16,
11072         EL_MM_BEAMER_15,
11073         EL_MM_BEAMER_14,
11074         EL_MM_BEAMER_13,
11075         EL_MM_BEAMER_12,
11076         EL_MM_BEAMER_11,
11077         EL_MM_BEAMER_10,
11078         EL_MM_BEAMER_9,
11079         EL_MM_BEAMER_8,
11080         EL_MM_BEAMER_7,
11081         EL_MM_BEAMER_6
11082       },
11083       {
11084         EL_MM_BEAMER_RED_5,
11085         EL_MM_BEAMER_RED_4,
11086         EL_MM_BEAMER_RED_3,
11087         EL_MM_BEAMER_RED_2,
11088         EL_MM_BEAMER_RED_1,
11089         EL_MM_BEAMER_RED_16,
11090         EL_MM_BEAMER_RED_15,
11091         EL_MM_BEAMER_RED_14,
11092         EL_MM_BEAMER_RED_13,
11093         EL_MM_BEAMER_RED_12,
11094         EL_MM_BEAMER_RED_11,
11095         EL_MM_BEAMER_RED_10,
11096         EL_MM_BEAMER_RED_9,
11097         EL_MM_BEAMER_RED_8,
11098         EL_MM_BEAMER_RED_7,
11099         EL_MM_BEAMER_RED_6
11100       },
11101       {
11102         EL_MM_BEAMER_YELLOW_5,
11103         EL_MM_BEAMER_YELLOW_4,
11104         EL_MM_BEAMER_YELLOW_3,
11105         EL_MM_BEAMER_YELLOW_2,
11106         EL_MM_BEAMER_YELLOW_1,
11107         EL_MM_BEAMER_YELLOW_16,
11108         EL_MM_BEAMER_YELLOW_15,
11109         EL_MM_BEAMER_YELLOW_14,
11110         EL_MM_BEAMER_YELLOW_13,
11111         EL_MM_BEAMER_YELLOW_12,
11112         EL_MM_BEAMER_YELLOW_11,
11113         EL_MM_BEAMER_YELLOW_10,
11114         EL_MM_BEAMER_YELLOW_9,
11115         EL_MM_BEAMER_YELLOW_8,
11116         EL_MM_BEAMER_YELLOW_7,
11117         EL_MM_BEAMER_YELLOW_6
11118       },
11119       {
11120         EL_MM_BEAMER_GREEN_5,
11121         EL_MM_BEAMER_GREEN_4,
11122         EL_MM_BEAMER_GREEN_3,
11123         EL_MM_BEAMER_GREEN_2,
11124         EL_MM_BEAMER_GREEN_1,
11125         EL_MM_BEAMER_GREEN_16,
11126         EL_MM_BEAMER_GREEN_15,
11127         EL_MM_BEAMER_GREEN_14,
11128         EL_MM_BEAMER_GREEN_13,
11129         EL_MM_BEAMER_GREEN_12,
11130         EL_MM_BEAMER_GREEN_11,
11131         EL_MM_BEAMER_GREEN_10,
11132         EL_MM_BEAMER_GREEN_9,
11133         EL_MM_BEAMER_GREEN_8,
11134         EL_MM_BEAMER_GREEN_7,
11135         EL_MM_BEAMER_GREEN_6
11136       },
11137       {
11138         EL_MM_BEAMER_BLUE_5,
11139         EL_MM_BEAMER_BLUE_4,
11140         EL_MM_BEAMER_BLUE_3,
11141         EL_MM_BEAMER_BLUE_2,
11142         EL_MM_BEAMER_BLUE_1,
11143         EL_MM_BEAMER_BLUE_16,
11144         EL_MM_BEAMER_BLUE_15,
11145         EL_MM_BEAMER_BLUE_14,
11146         EL_MM_BEAMER_BLUE_13,
11147         EL_MM_BEAMER_BLUE_12,
11148         EL_MM_BEAMER_BLUE_11,
11149         EL_MM_BEAMER_BLUE_10,
11150         EL_MM_BEAMER_BLUE_9,
11151         EL_MM_BEAMER_BLUE_8,
11152         EL_MM_BEAMER_BLUE_7,
11153         EL_MM_BEAMER_BLUE_6
11154       },
11155       {
11156         EL_MM_POLARISATOR_1,
11157         EL_MM_POLARISATOR_16,
11158         EL_MM_POLARISATOR_15,
11159         EL_MM_POLARISATOR_14,
11160         EL_MM_POLARISATOR_13,
11161         EL_MM_POLARISATOR_12,
11162         EL_MM_POLARISATOR_11,
11163         EL_MM_POLARISATOR_10,
11164         EL_MM_POLARISATOR_9,
11165         EL_MM_POLARISATOR_8,
11166         EL_MM_POLARISATOR_7,
11167         EL_MM_POLARISATOR_6,
11168         EL_MM_POLARISATOR_5,
11169         EL_MM_POLARISATOR_4,
11170         EL_MM_POLARISATOR_3,
11171         EL_MM_POLARISATOR_2
11172       },
11173       {
11174         EL_DF_MIRROR_1,
11175         EL_DF_MIRROR_16,
11176         EL_DF_MIRROR_15,
11177         EL_DF_MIRROR_14,
11178         EL_DF_MIRROR_13,
11179         EL_DF_MIRROR_12,
11180         EL_DF_MIRROR_11,
11181         EL_DF_MIRROR_10,
11182         EL_DF_MIRROR_9,
11183         EL_DF_MIRROR_8,
11184         EL_DF_MIRROR_7,
11185         EL_DF_MIRROR_6,
11186         EL_DF_MIRROR_5,
11187         EL_DF_MIRROR_4,
11188         EL_DF_MIRROR_3,
11189         EL_DF_MIRROR_2
11190       },
11191       {
11192         EL_DF_MIRROR_ROTATING_1,
11193         EL_DF_MIRROR_ROTATING_16,
11194         EL_DF_MIRROR_ROTATING_15,
11195         EL_DF_MIRROR_ROTATING_14,
11196         EL_DF_MIRROR_ROTATING_13,
11197         EL_DF_MIRROR_ROTATING_12,
11198         EL_DF_MIRROR_ROTATING_11,
11199         EL_DF_MIRROR_ROTATING_10,
11200         EL_DF_MIRROR_ROTATING_9,
11201         EL_DF_MIRROR_ROTATING_8,
11202         EL_DF_MIRROR_ROTATING_7,
11203         EL_DF_MIRROR_ROTATING_6,
11204         EL_DF_MIRROR_ROTATING_5,
11205         EL_DF_MIRROR_ROTATING_4,
11206         EL_DF_MIRROR_ROTATING_3,
11207         EL_DF_MIRROR_ROTATING_2
11208       },
11209
11210       {
11211         -1,
11212       },
11213     };
11214     int i, j;
11215
11216     for (i = 0; swappable_elements[i][0] != -1; i++)
11217     {
11218       int element1 = swappable_elements[i][0];
11219       int element2 = swappable_elements[i][1];
11220
11221       if (old_element == element1 || old_element == element2)
11222         new_element = (old_element == element1 ? element2 : element1);
11223     }
11224
11225     for (i = 0; rotatable_elements_4[i][0] != -1; i++)
11226     {
11227       for (j = 0; j < 4; j++)
11228       {
11229         int element = rotatable_elements_4[i][j];
11230
11231         if (old_element == element)
11232           new_element = (button == 1 ? rotatable_elements_4[i][(j + 3) % 4] :
11233                          button == 2 ? rotatable_elements_4[i][0]           :
11234                          button == 3 ? rotatable_elements_4[i][(j + 1) % 4] :
11235                          old_element);
11236       }
11237     }
11238
11239     for (i = 0; rotatable_elements_8[i][0] != -1; i++)
11240     {
11241       for (j = 0; j < 8; j++)
11242       {
11243         int element = rotatable_elements_8[i][j];
11244
11245         if (old_element == element)
11246           new_element = (button == 1 ? rotatable_elements_8[i][(j + 7) % 8] :
11247                          button == 2 ? rotatable_elements_8[i][0]           :
11248                          button == 3 ? rotatable_elements_8[i][(j + 1) % 8] :
11249                          old_element);
11250       }
11251     }
11252
11253     for (i = 0; rotatable_elements_16[i][0] != -1; i++)
11254     {
11255       for (j = 0; j < 16; j++)
11256       {
11257         int element = rotatable_elements_16[i][j];
11258
11259         if (old_element == element)
11260           new_element = (button == 1 ? rotatable_elements_16[i][(j + 15) % 16] :
11261                          button == 2 ? rotatable_elements_16[i][0]             :
11262                          button == 3 ? rotatable_elements_16[i][(j + 1)  % 16] :
11263                          old_element);
11264       }
11265     }
11266
11267     if (old_element != new_element)
11268     {
11269       int max_infotext_len = getMaxInfoTextLength();
11270       char infotext[MAX_OUTPUT_LINESIZE + 1];
11271
11272       strncpy(infotext, getElementInfoText(new_element), max_infotext_len);
11273       infotext[max_infotext_len] = '\0';
11274
11275       ClearEditorGadgetInfoText();
11276
11277       DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT,
11278                 infotext);
11279     }
11280   }
11281
11282   SetElementSimple(x, y, new_element, change_level);
11283
11284   last_x = x;
11285   last_y = y;
11286 }
11287
11288 static void ResetIntelliDraw()
11289 {
11290   int x, y;
11291
11292   for (x = 0; x < lev_fieldx; x++)
11293     for (y = 0; y < lev_fieldy; y++)
11294       IntelliDrawBuffer[x][y] = Feld[x][y];
11295
11296   SetElementIntelliDraw(-1, -1, EL_UNDEFINED, FALSE, -1);
11297 }
11298
11299 static boolean draw_mode_hires = FALSE;
11300
11301 static void SetDrawModeHiRes(int element)
11302 {
11303   draw_mode_hires =
11304     (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
11305      (IS_MM_WALL_EDITOR(element) || element == EL_EMPTY));
11306 }
11307
11308 static boolean getDrawModeHiRes()
11309 {
11310   return draw_mode_hires;
11311 }
11312
11313 static int getLoResScreenPos(int pos)
11314 {
11315   return (getDrawModeHiRes() ? pos / 2 : pos);
11316 }
11317
11318 static int getLoResScreenMod(int pos)
11319 {
11320   return (getDrawModeHiRes() ? pos % 2 : 0);
11321 }
11322
11323 static void SetElementExt(int x, int y, int dx, int dy, int element,
11324                           boolean change_level, int button)
11325 {
11326   if (element < 0)
11327     SetElementSimple(x, y, Feld[x][y], change_level);
11328   else if (GetKeyModState() & KMOD_Shift && !IS_MM_WALL_EDITOR(element))
11329     SetElementIntelliDraw(x, y, element, change_level, button);
11330   else
11331     SetElementSimpleExt(x, y, dx, dy, element, change_level);
11332 }
11333
11334 static void SetElement(int x, int y, int element)
11335 {
11336   SetElementExt(x, y, 0, 0, element, TRUE, -1);
11337 }
11338
11339 static void SetElementButton(int x, int y, int dx, int dy, int element,
11340                              int button)
11341 {
11342   SetElementExt(x, y, dx, dy, element, TRUE, button);
11343 }
11344
11345 static void SetElementHiRes(int sx2, int sy2, int element, boolean change_level)
11346 {
11347   int lx = getLoResScreenPos(sx2) + level_xpos;
11348   int ly = getLoResScreenPos(sy2) + level_ypos;
11349   int dx = getLoResScreenMod(sx2);
11350   int dy = getLoResScreenMod(sy2);
11351
11352   SetElementExt(lx, ly, dx, dy, element, change_level, -1);
11353 }
11354
11355 static void SetLevelElementHiRes(int lx2, int ly2, int element)
11356 {
11357   int lx = lx2 / 2;
11358   int ly = ly2 / 2;
11359   int dx = lx2 % 2;
11360   int dy = ly2 % 2;
11361
11362   SetElementExt(lx, ly, dx, dy, element, TRUE, -1);
11363 }
11364
11365 static int getLevelElementHiRes(int lx2, int ly2)
11366 {
11367   int lx = lx2 / 2;
11368   int ly = ly2 / 2;
11369   int dx = lx2 % 2;
11370   int dy = ly2 % 2;
11371   int element = Feld[lx][ly];
11372   unsigned int bitmask = (dx + 1) << (dy * 2);
11373
11374   if (IS_MM_WALL(element))
11375   {
11376     if (element & bitmask)
11377       return map_mm_wall_element(element);
11378     else
11379       return EL_EMPTY;
11380   }
11381
11382   return element;
11383 }
11384
11385 static void DrawLineElement(int x, int y, int element, boolean change_level)
11386 {
11387   SetElementHiRes(x, y, element, change_level);
11388 }
11389
11390 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
11391                      int element, boolean change_level)
11392 {
11393   int xsize = ABS(to_x - from_x);
11394   int ysize = ABS(to_y - from_y);
11395   int dx = (to_x < from_x ? -1 : +1);
11396   int dy = (to_y < from_y ? -1 : +1);
11397   int i;
11398
11399   if (from_y == to_y)                   /* horizontal line */
11400   {
11401     for (i = 0; i <= xsize; i++)
11402       DrawLineElement(from_x + i * dx, from_y, element, change_level);
11403   }
11404   else if (from_x == to_x)              /* vertical line */
11405   {
11406     for (i = 0; i <= ysize; i++)
11407       DrawLineElement(from_x, from_y + i * dy, element, change_level);
11408   }
11409   else                                  /* diagonal line */
11410   {
11411     if (ysize < xsize)                  /* a < 1 */
11412     {
11413       float a = (float)ysize / (float)xsize;
11414
11415       for (i = 0; i <= xsize; i++)
11416       {
11417         int x = dx * i;
11418         int y = dy * (int)(a * i + 0.5);
11419
11420         DrawLineElement(from_x + x, from_y + y, element, change_level);
11421       }
11422     }
11423     else                                /* a >= 1 */
11424     {
11425       float a = (float)xsize / (float)ysize;
11426
11427       for (i = 0; i <= ysize; i++)
11428       {
11429         int x = dx * (int)(a * i + 0.5);
11430         int y = dy * i;
11431
11432         DrawLineElement(from_x + x, from_y + y, element, change_level);
11433       }
11434     }
11435   }
11436 }
11437
11438 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
11439                     int element, boolean change_level)
11440 {
11441   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
11442   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
11443   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
11444   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
11445 }
11446
11447 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
11448                           int element, boolean change_level)
11449 {
11450   int y;
11451
11452   if (from_y > to_y)
11453     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
11454
11455   for (y = from_y; y <= to_y; y++)
11456     DrawLine(from_x, y, to_x, y, element, change_level);
11457 }
11458
11459 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
11460                        int element, boolean change_level)
11461 {
11462   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
11463   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
11464   int len_x = ABS(to_x - from_x);
11465   int len_y = ABS(to_y - from_y);
11466   int radius, x, y;
11467
11468   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
11469
11470   /* not optimal (some points get drawn twice) but simple,
11471      and fast enough for the few points we are drawing */
11472
11473   for (x = 0; x <= radius; x++)
11474   {
11475     int sx, sy, sx2, sy2, lx, ly;
11476
11477     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
11478
11479     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
11480     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
11481     sx = getLoResScreenPos(sx2);
11482     sy = getLoResScreenPos(sy2);
11483     lx = sx + level_xpos;
11484     ly = sy + level_ypos;
11485
11486     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
11487       DrawLineElement(sx2, sy2, element, change_level);
11488   }
11489
11490   for (y = 0; y <= radius; y++)
11491   {
11492     int sx, sy, sx2, sy2, lx, ly;
11493
11494     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
11495
11496     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
11497     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
11498     sx = getLoResScreenPos(sx2);
11499     sy = getLoResScreenPos(sy2);
11500     lx = sx + level_xpos;
11501     ly = sy + level_ypos;
11502
11503     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
11504       DrawLineElement(sx2, sy2, element, change_level);
11505   }
11506 }
11507
11508 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
11509                     int element, boolean change_level)
11510 {
11511   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
11512   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
11513
11514   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
11515 }
11516
11517 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
11518
11519 #if DRAW_CIRCLES_BUTTON_AVAILABLE
11520 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
11521                        int element, boolean change_level)
11522 {
11523   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
11524   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
11525   int mirror_to_x2 = from_x - (to_x2 - from_x);
11526   int mirror_to_y2 = from_y - (to_y2 - from_y);
11527
11528   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
11529   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
11530   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
11531   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
11532 }
11533 #endif
11534
11535 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
11536 {
11537   int from_sx, from_sy;
11538   int to_sx, to_sy;
11539
11540   if (from_x > to_x)
11541     swap_numbers(&from_x, &to_x);
11542
11543   if (from_y > to_y)
11544     swap_numbers(&from_y, &to_y);
11545
11546   from_sx = SX + from_x * ed_tilesize;
11547   from_sy = SY + from_y * ed_tilesize;
11548   to_sx = SX + (to_x + 1) * ed_tilesize - 1;
11549   to_sy = SY + (to_y + 1) * ed_tilesize - 1;
11550
11551   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
11552   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
11553   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
11554   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
11555
11556   if (from_x == to_x && from_y == to_y)
11557     MarkTileDirty(from_x/2, from_y/2);
11558   else
11559     redraw_mask |= REDRAW_FIELD;
11560 }
11561
11562 static void DrawAreaBox(int from_x, int from_y, int to_x, int to_y,
11563                         int element, boolean change_level)
11564 {
11565   DrawBox(from_x, from_y, to_x, to_y, element, change_level);
11566 }
11567
11568 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
11569                        int element, boolean change_level)
11570 {
11571   if (element == -1 || change_level)
11572     DrawAreaBox(from_x, from_y, to_x, to_y, -1, FALSE);
11573   else
11574     DrawAreaBorder(from_x, from_y, to_x, to_y);
11575 }
11576
11577 /* values for CopyBrushExt() */
11578 #define CB_AREA_TO_BRUSH        0
11579 #define CB_BRUSH_TO_CURSOR      1
11580 #define CB_BRUSH_TO_LEVEL       2
11581 #define CB_DELETE_OLD_CURSOR    3
11582 #define CB_DUMP_BRUSH           4
11583 #define CB_DUMP_BRUSH_SMALL     5
11584
11585 static void DrawBrushElement(int sx, int sy, int element, boolean change_level)
11586 {
11587   DrawLineElement(sx, sy, element, change_level);
11588 }
11589
11590 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
11591                          int button, int mode)
11592 {
11593   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
11594   static int brush_width, brush_height;
11595   static int last_cursor_x = -1, last_cursor_y = -1;
11596   static boolean delete_old_brush;
11597   int new_element = BUTTON_ELEMENT(button);
11598   int x, y;
11599
11600   if (mode == CB_DUMP_BRUSH ||
11601       mode == CB_DUMP_BRUSH_SMALL)
11602   {
11603     if (!draw_with_brush)
11604     {
11605       Error(ERR_WARN, "no brush selected");
11606
11607       return;
11608     }
11609
11610     for (y = 0; y < brush_height; y++)
11611     {
11612       for (x = 0; x < brush_width; x++)
11613       {
11614         int element = brush_buffer[x][y];
11615         int element_mapped = element;
11616
11617         if (IS_CUSTOM_ELEMENT(element))
11618           element_mapped = EL_CUSTOM_START;
11619         else if (IS_GROUP_ELEMENT(element))
11620           element_mapped = EL_GROUP_START;
11621         else if (element >= NUM_FILE_ELEMENTS)
11622           element_mapped = EL_UNKNOWN;
11623
11624         // dump brush as level sketch text for the R'n'D forum:
11625         // - large tiles: `xxx (0x60 ASCII)
11626         // - small tiles: ¸xxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
11627         printf("%s%03d", (mode == CB_DUMP_BRUSH ? "`" : "¸"), element_mapped);
11628       }
11629
11630       printf("\n");
11631     }
11632
11633     return;
11634   }
11635
11636   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
11637     return;
11638
11639   if (mode == CB_AREA_TO_BRUSH)
11640   {
11641     int from_lx, from_ly;
11642
11643     if (from_x > to_x)
11644       swap_numbers(&from_x, &to_x);
11645
11646     if (from_y > to_y)
11647       swap_numbers(&from_y, &to_y);
11648
11649     brush_width = to_x - from_x + 1;
11650     brush_height = to_y - from_y + 1;
11651
11652     from_lx = from_x + level_xpos;
11653     from_ly = from_y + level_ypos;
11654
11655     for (y = 0; y < brush_height; y++)
11656     {
11657       for (x = 0; x < brush_width; x++)
11658       {
11659         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
11660
11661         if (button != 1)
11662           DrawBrushElement(from_x + x, from_y + y, new_element, TRUE);
11663       }
11664     }
11665
11666     if (button != 1)
11667       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
11668
11669     delete_old_brush = FALSE;
11670   }
11671   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
11672            mode == CB_BRUSH_TO_LEVEL)
11673   {
11674     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
11675     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
11676     int cursor_from_x = cursor_x - brush_width / 2;
11677     int cursor_from_y = cursor_y - brush_height / 2;
11678     int border_from_x = cursor_x, border_from_y = cursor_y;
11679     int border_to_x = cursor_x, border_to_y = cursor_y;
11680
11681     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
11682       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
11683
11684     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
11685         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
11686     {
11687       delete_old_brush = FALSE;
11688       return;
11689     }
11690
11691     for (y = 0; y < brush_height; y++)
11692     {
11693       for (x = 0; x < brush_width; x++)
11694       {
11695         int sx = cursor_from_x + x;
11696         int sy = cursor_from_y + y;
11697         int lx = sx + level_xpos;
11698         int ly = sy + level_ypos;
11699         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
11700         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
11701                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
11702                        brush_buffer[x][y] : new_element);
11703
11704         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
11705         {
11706           if (sx < border_from_x)
11707             border_from_x = sx;
11708           else if (sx > border_to_x)
11709             border_to_x = sx;
11710           if (sy < border_from_y)
11711             border_from_y = sy;
11712           else if (sy > border_to_y)
11713             border_to_y = sy;
11714
11715           DrawBrushElement(sx, sy, element, change_level);
11716         }
11717       }
11718     }
11719
11720     if (mode != CB_DELETE_OLD_CURSOR)
11721       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
11722
11723     last_cursor_x = cursor_x;
11724     last_cursor_y = cursor_y;
11725     delete_old_brush = TRUE;
11726   }
11727 }
11728
11729 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
11730                             int button)
11731 {
11732   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
11733 }
11734
11735 static void CopyBrushToLevel(int x, int y, int button)
11736 {
11737   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
11738 }
11739
11740 static void CopyBrushToCursor(int x, int y)
11741 {
11742   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
11743 }
11744
11745 static void DeleteBrushFromCursor()
11746 {
11747   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
11748 }
11749
11750 void DumpBrush()
11751 {
11752   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
11753 }
11754
11755 void DumpBrush_Small()
11756 {
11757   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
11758 }
11759
11760 static void FloodFill(int from_x, int from_y, int fill_element)
11761 {
11762   FloodFillLevel(from_x, from_y, fill_element, Feld, lev_fieldx, lev_fieldy);
11763 }
11764
11765 static void FloodFillWall_MM(int from_sx2, int from_sy2, int fill_element)
11766 {
11767   int from_x = from_sx2 + 2 * level_xpos;
11768   int from_y = from_sy2 + 2 * level_ypos;
11769   int max_fillx = lev_fieldx * 2;
11770   int max_filly = lev_fieldy * 2;
11771   short FillFeld[max_fillx][max_filly];
11772   int x, y;
11773
11774   for (x = 0; x < max_fillx; x++)
11775     for (y = 0; y < max_filly; y++)
11776       FillFeld[x][y] = getLevelElementHiRes(x, y);
11777
11778   FloodFillLevelExt(from_x, from_y, fill_element, max_fillx, max_filly,
11779                     FillFeld, max_fillx, max_filly);
11780
11781   for (x = 0; x < max_fillx; x++)
11782     for (y = 0; y < max_filly; y++)
11783       if (FillFeld[x][y] == fill_element)
11784         SetLevelElementHiRes(x, y, FillFeld[x][y]);
11785 }
11786
11787 /* values for DrawLevelText() modes */
11788 #define TEXT_INIT               0
11789 #define TEXT_SETCURSOR          1
11790 #define TEXT_WRITECHAR          2
11791 #define TEXT_BACKSPACE          3
11792 #define TEXT_NEWLINE            4
11793 #define TEXT_END                5
11794 #define TEXT_QUERY_TYPING       6
11795
11796 static int DrawLevelText(int sx, int sy, char letter, int mode)
11797 {
11798   static short delete_buffer[MAX_LEV_FIELDX];
11799   static int start_sx;
11800   static int last_sx, last_sy;
11801   static boolean typing = FALSE;
11802   int letter_element = EL_CHAR_ASCII0 + letter;
11803   int lx = 0, ly = 0;
11804
11805   /* map lower case letters to upper case and convert special characters */
11806   if (letter >= 'a' && letter <= 'z')
11807     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
11808   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
11809     letter_element = EL_CHAR_AUMLAUT;
11810   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
11811     letter_element = EL_CHAR_OUMLAUT;
11812   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
11813     letter_element = EL_CHAR_UUMLAUT;
11814   else if (letter == '^')
11815     letter_element = EL_CHAR_COPYRIGHT;
11816   else
11817     letter_element = EL_CHAR_ASCII0 + letter;
11818
11819   if (mode != TEXT_INIT)
11820   {
11821     if (!typing)
11822       return FALSE;
11823
11824     if (mode != TEXT_SETCURSOR)
11825     {
11826       sx = last_sx;
11827       sy = last_sy;
11828     }
11829
11830     lx = last_sx + level_xpos;
11831     ly = last_sy + level_ypos;
11832   }
11833
11834   switch (mode)
11835   {
11836     case TEXT_INIT:
11837       if (typing)
11838         DrawLevelText(0, 0, 0, TEXT_END);
11839
11840       typing = TRUE;
11841       start_sx = sx;
11842       last_sx = sx;
11843       last_sy = sy;
11844       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
11845       break;
11846
11847     case TEXT_SETCURSOR:
11848       DrawEditorElement(last_sx, last_sy, Feld[lx][ly]);
11849       DrawAreaBorder(sx, sy, sx, sy);
11850       last_sx = sx;
11851       last_sy = sy;
11852       break;
11853
11854     case TEXT_WRITECHAR:
11855       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
11856       {
11857         if (new_element1 >= EL_STEEL_CHAR_START &&
11858             new_element1 <= EL_STEEL_CHAR_END)
11859           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
11860
11861         delete_buffer[sx - start_sx] = Feld[lx][ly];
11862         Feld[lx][ly] = letter_element;
11863
11864         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
11865           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
11866         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
11867           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
11868         else
11869           DrawLevelText(0, 0, 0, TEXT_END);
11870
11871         level.changed = TRUE;
11872       }
11873       break;
11874
11875     case TEXT_BACKSPACE:
11876       if (sx > start_sx)
11877       {
11878         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
11879         DrawEditorElement(sx - 1, sy, Feld[lx - 1][ly]);
11880         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
11881       }
11882       break;
11883
11884     case TEXT_NEWLINE:
11885       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
11886         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
11887       else
11888         DrawLevelText(0, 0, 0, TEXT_END);
11889       break;
11890
11891     case TEXT_END:
11892       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
11893       DrawEditorElement(sx, sy, Feld[lx][ly]);
11894       typing = FALSE;
11895       break;
11896
11897     case TEXT_QUERY_TYPING:
11898       break;
11899
11900     default:
11901       break;
11902   }
11903
11904   return typing;
11905 }
11906
11907 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
11908                           int element, boolean change_level)
11909 {
11910   int lx = sx + level_xpos;
11911   int ly = sy + level_ypos;
11912
11913   if (element == -1)
11914     DrawEditorElement(sx, sy, Feld[lx][ly]);
11915   else
11916     DrawAreaBorder(sx, sy, sx, sy);
11917 }
11918
11919 static void CheckLevelBorderElement(boolean redraw_playfield)
11920 {
11921   int last_border_element = BorderElement;
11922
11923   SetBorderElement();
11924
11925   if (redraw_playfield && BorderElement != last_border_element)
11926     DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11927 }
11928
11929 static void CopyLevelToUndoBuffer(int mode)
11930 {
11931   static boolean accumulated_undo = FALSE;
11932   boolean new_undo_buffer_position = TRUE;
11933   int x, y;
11934
11935   if (undo_buffer_steps == 0)
11936     accumulated_undo = FALSE;
11937
11938   switch (mode)
11939   {
11940     case UNDO_IMMEDIATE:
11941       accumulated_undo = FALSE;
11942       break;
11943
11944     case UNDO_ACCUMULATE:
11945       if (accumulated_undo)
11946         new_undo_buffer_position = FALSE;
11947       accumulated_undo = TRUE;
11948       break;
11949
11950     default:
11951       break;
11952   }
11953
11954   if (new_undo_buffer_position)
11955   {
11956     /* advance position in undo buffer ring */
11957     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
11958
11959     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
11960       undo_buffer_steps++;
11961   }
11962
11963   /* always reset redo buffer when storing level change into undo buffer */
11964   redo_buffer_steps = 0;
11965
11966   for (x = 0; x < lev_fieldx; x++)
11967     for (y = 0; y < lev_fieldy; y++)
11968       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
11969
11970   /* check if drawing operation forces change of border style */
11971   CheckLevelBorderElement(TRUE);
11972
11973   level.changed = TRUE;
11974 }
11975
11976 static void RandomPlacement(int new_element)
11977 {
11978   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
11979   int num_free_positions = 0;
11980   int num_percentage, num_elements;
11981   int x, y;
11982
11983   ResetIntelliDraw();
11984
11985   /* determine number of free positions for randomly placing the new element */
11986   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
11987   {
11988     free_position[x][y] =
11989       (random_placement_background_restricted ?
11990        Feld[x][y] == random_placement_background_element :
11991        Feld[x][y] != new_element);
11992
11993     if (free_position[x][y])
11994       num_free_positions++;
11995   }
11996
11997   /* determine number of new elements to place there */
11998   num_percentage = num_free_positions * random_placement_value / 100;
11999   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
12000                   num_percentage : random_placement_value);
12001
12002   /* if less free positions than elements to place, fill all these positions */
12003   if (num_free_positions < num_elements)
12004   {
12005     for (x = 0; x < lev_fieldx; x++)
12006       for (y = 0; y < lev_fieldy; y++)
12007         if (free_position[x][y])
12008           SetElement(x, y, new_element);
12009   }
12010   else
12011   {
12012     while (num_elements > 0)
12013     {
12014       x = GetSimpleRandom(lev_fieldx);
12015       y = GetSimpleRandom(lev_fieldy);
12016
12017       /* don't place element at the same position twice */
12018       if (free_position[x][y])
12019       {
12020         free_position[x][y] = FALSE;
12021         SetElement(x, y, new_element);
12022         num_elements--;
12023       }
12024     }
12025   }
12026
12027   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12028   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12029 }
12030
12031 void WrapLevel(int dx, int dy)
12032 {
12033   int wrap_dx = lev_fieldx - dx;
12034   int wrap_dy = lev_fieldy - dy;
12035   int x, y;
12036
12037   for (x = 0; x < lev_fieldx; x++)
12038     for (y = 0; y < lev_fieldy; y++)
12039       FieldBackup[x][y] = Feld[x][y];
12040
12041   for (x = 0; x < lev_fieldx; x++)
12042     for (y = 0; y < lev_fieldy; y++)
12043       Feld[x][y] =
12044         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
12045
12046   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12047   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
12048 }
12049
12050 static void HandleDrawingAreas(struct GadgetInfo *gi)
12051 {
12052   static boolean started_inside_drawing_area = FALSE;
12053   static int last_sx = -1, last_sy = -1;
12054   static int last_sx2 = -1, last_sy2 = -1;
12055   int id = gi->custom_id;
12056   int type_id = gi->custom_type_id;
12057   boolean button_press_event;
12058   boolean button_release_event;
12059   boolean inside_drawing_area = !gi->event.off_borders;
12060   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
12061   int actual_drawing_function;
12062   int button = gi->event.button;
12063   int new_element = BUTTON_ELEMENT(button);
12064   int sx = gi->event.x, sy = gi->event.y;
12065   int min_sx = 0, min_sy = 0;
12066   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
12067   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
12068   int mini_item_xsize = item_xsize / 2, mini_item_ysize = item_ysize / 2;
12069   int sx2 = gi->event.mx / mini_item_xsize;
12070   int sy2 = gi->event.my / mini_item_ysize;
12071   int dx = sx2 % 2;
12072   int dy = sy2 % 2;
12073   int lx = 0, ly = 0;
12074   int min_lx = 0, min_ly = 0;
12075   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
12076   int x, y;
12077
12078   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
12079   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
12080
12081   /* make sure to stay inside drawing area boundaries */
12082   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
12083   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
12084
12085   if (draw_level)
12086   {
12087     /* get positions inside level field */
12088     lx = sx + level_xpos;
12089     ly = sy + level_ypos;
12090
12091     if (!IN_LEV_FIELD(lx, ly))
12092       inside_drawing_area = FALSE;
12093
12094     /* make sure to stay inside level field boundaries */
12095     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
12096     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
12097
12098     /* correct drawing area positions accordingly */
12099     sx = lx - level_xpos;
12100     sy = ly - level_ypos;
12101   }
12102
12103   /* also correct MM wall-sized (double) drawing area positions accordingly */
12104   if (sx2 / 2 < sx || sx2 / 2 > sx)
12105   {
12106     dx = (sx2 / 2 < sx ? 0 : 1);
12107     sx2 = sx * 2 + dx;
12108   }
12109   if (sy2 / 2 < sy || sy2 / 2 > sy)
12110   {
12111     dy = (sy2 / 2 < sy ? 0 : 1);
12112     sy2 = sy * 2 + dy;
12113   }
12114
12115   if (button_release_event)
12116   {
12117     last_sx = -1;
12118     last_sy = -1;
12119     last_sx2 = -1;
12120     last_sy2 = -1;
12121   }
12122   else if (!button_press_event)
12123   {
12124     /* prevent handling events for every pixel position when moving mouse */
12125     if ((sx == last_sx && sy == last_sy &&
12126          !IS_MM_WALL_EDITOR(new_element) && new_element != EL_EMPTY) ||
12127         (sx2 == last_sx2 && sy2 == last_sy2))
12128       return;
12129   }
12130
12131   last_sx = sx;
12132   last_sy = sy;
12133   last_sx2 = sx2;
12134   last_sy2 = sy2;
12135
12136   if (button_press_event)
12137     started_inside_drawing_area = inside_drawing_area;
12138
12139   if (!started_inside_drawing_area)
12140     return;
12141
12142   if (!IS_VALID_BUTTON(button))
12143     return;
12144
12145   if (!button && !button_release_event)
12146     return;
12147
12148   /* handle info callback for each invocation of action callback */
12149   gi->callback_info(gi);
12150
12151   /* automatically switch to 'single item' drawing mode, if needed */
12152   actual_drawing_function =
12153     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
12154      drawing_function : GADGET_ID_SINGLE_ITEMS);
12155
12156   /* clicking into drawing area with pressed Control key picks element */
12157   if (GetKeyModState() & KMOD_Control)
12158   {
12159     last_drawing_function = drawing_function;
12160     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
12161   }
12162
12163   if (GetKeyModState() & KMOD_Shift)
12164   {
12165     if (button_press_event || button_release_event)
12166       ResetIntelliDraw();
12167   }
12168
12169   SetDrawModeHiRes(-1);         /* reset to normal draw mode */
12170
12171   switch (actual_drawing_function)
12172   {
12173     case GADGET_ID_SINGLE_ITEMS:
12174       if (draw_level)
12175       {
12176         if (button_release_event)
12177         {
12178           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12179
12180           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
12181               !inside_drawing_area)
12182             DeleteBrushFromCursor();
12183         }
12184
12185         if (!button || button_release_event)
12186           break;
12187
12188         if (draw_with_brush)
12189         {
12190           CopyBrushToLevel(sx, sy, button);
12191         }
12192         else
12193         {
12194           SetDrawModeHiRes(new_element);
12195
12196           if (new_element == EL_PLAYER_1)
12197           {
12198             /* remove player at old position */
12199             for (y = 0; y < lev_fieldy; y++)
12200               for (x = 0; x < lev_fieldx; x++)
12201                 if (Feld[x][y] == EL_PLAYER_1)
12202                   SetElement(x, y, EL_EMPTY);
12203           }
12204
12205           SetElementButton(lx, ly, dx, dy, new_element, button);
12206         }
12207       }
12208       else if (!button_release_event)
12209       {
12210         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
12211
12212         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
12213           DrawMiniGraphicExt(drawto,
12214                              gi->x + sx * MINI_TILEX,
12215                              gi->y + sy * MINI_TILEY,
12216                              el2edimg(new_element));
12217         else
12218           DrawFixedGraphicExt(drawto,
12219                               gi->x + sx * TILEX,
12220                               gi->y + sy * TILEY,
12221                               el2edimg(new_element), 0);
12222
12223         if (id == GADGET_ID_CUSTOM_GRAPHIC)
12224           new_element = GFX_ELEMENT(new_element);
12225
12226         drawingarea_info[type_id].value[pos] = new_element;
12227
12228         CopyElementPropertiesToGame(properties_element);
12229
12230         if (id == GADGET_ID_CUSTOM_GRAPHIC)
12231         {
12232           UpdateCustomElementGraphicGadgets();
12233
12234           FrameCounter = 0;     /* restart animation frame counter */
12235         }
12236       }
12237       break;
12238
12239     case GADGET_ID_CONNECTED_ITEMS:
12240       {
12241         static int last_sx = -1;
12242         static int last_sy = -1;
12243
12244         if (button_release_event)
12245           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12246
12247         if (button)
12248         {
12249           SetDrawModeHiRes(new_element);
12250
12251           if (getDrawModeHiRes())
12252           {
12253             sx = sx2;
12254             sy = sy2;
12255           }
12256
12257           if (!button_press_event)
12258             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
12259
12260           last_sx = sx;
12261           last_sy = sy;
12262         }
12263       }
12264       break;
12265
12266     case GADGET_ID_LINE:
12267     case GADGET_ID_ARC:
12268     case GADGET_ID_RECTANGLE:
12269     case GADGET_ID_FILLED_BOX:
12270       SetDrawModeHiRes(new_element);
12271
12272       if (getDrawModeHiRes())
12273       {
12274         sx = sx2;
12275         sy = sy2;
12276       }
12277       /* FALLTHROUGH */
12278     case GADGET_ID_GRAB_BRUSH:
12279     case GADGET_ID_TEXT:
12280       {
12281         static int last_sx = -1;
12282         static int last_sy = -1;
12283         static int start_sx = -1;
12284         static int start_sy = -1;
12285         void (*draw_func)(int, int, int, int, int, boolean);
12286
12287         if (drawing_function == GADGET_ID_LINE)
12288           draw_func = DrawLine;
12289         else if (drawing_function == GADGET_ID_ARC)
12290           draw_func = DrawArc;
12291         else if (drawing_function == GADGET_ID_RECTANGLE)
12292           draw_func = DrawBox;
12293         else if (drawing_function == GADGET_ID_FILLED_BOX)
12294           draw_func = DrawFilledBox;
12295         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
12296           draw_func = SelectArea;
12297         else /* (drawing_function == GADGET_ID_TEXT) */
12298           draw_func = SetTextCursor;
12299
12300         if (button_press_event)
12301         {
12302           draw_func(sx, sy, sx, sy, new_element, FALSE);
12303           start_sx = last_sx = sx;
12304           start_sy = last_sy = sy;
12305
12306           if (drawing_function == GADGET_ID_TEXT)
12307             DrawLevelText(0, 0, 0, TEXT_END);
12308         }
12309         else if (button_release_event)
12310         {
12311           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
12312           if (drawing_function == GADGET_ID_GRAB_BRUSH)
12313           {
12314             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
12315             CopyBrushToCursor(sx, sy);
12316             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
12317                           MB_LEFTBUTTON);
12318             draw_with_brush = TRUE;
12319           }
12320           else if (drawing_function == GADGET_ID_TEXT)
12321             DrawLevelText(sx, sy, 0, TEXT_INIT);
12322           else
12323             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12324         }
12325         else if (last_sx != sx || last_sy != sy)
12326         {
12327           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
12328           if (IS_MM_WALL_EDITOR(new_element))   /* clear wall background */
12329             draw_func(start_sx, start_sy, sx, sy, EL_EMPTY, FALSE);
12330           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
12331           last_sx = sx;
12332           last_sy = sy;
12333         }
12334       }
12335       break;
12336
12337     case GADGET_ID_FLOOD_FILL:
12338       if (button_press_event && Feld[lx][ly] != new_element)
12339       {
12340         if (IS_MM_WALL_EDITOR(new_element))
12341           FloodFillWall_MM(sx2, sy2, new_element);
12342         else
12343           FloodFill(lx, ly, new_element);
12344
12345         DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12346         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12347       }
12348       break;
12349
12350     case GADGET_ID_PICK_ELEMENT:
12351       if (button_release_event)
12352         ClickOnGadget(level_editor_gadget[last_drawing_function],
12353                       MB_LEFTBUTTON);
12354       else if (draw_level)
12355         PickDrawingElement(button, Feld[lx][ly]);
12356       else
12357       {
12358         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
12359
12360         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
12361       }
12362
12363     default:
12364       break;
12365   }
12366
12367   /* do not mark level as modified for certain non-level-changing gadgets */
12368   if ((type_id >= ED_DRAWING_ID_EDITOR_FIRST &&
12369        type_id <= ED_DRAWING_ID_EDITOR_LAST) ||
12370       actual_drawing_function == GADGET_ID_GRAB_BRUSH ||
12371       actual_drawing_function == GADGET_ID_PICK_ELEMENT)
12372     return;
12373
12374   level.changed = TRUE;
12375 }
12376
12377 static void HandleCounterButtons(struct GadgetInfo *gi)
12378 {
12379   int gadget_id = gi->custom_id;
12380   int counter_id = gi->custom_type_id;
12381   int button = gi->event.button;
12382   int *counter_value = counterbutton_info[counter_id].value;
12383   int step = BUTTON_STEPSIZE(button) *
12384     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
12385
12386   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
12387   {
12388     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
12389     boolean released = (gi->event.type == GD_EVENT_RELEASED);
12390     boolean level_changed = LevelChanged();
12391
12392     if ((level_changed && pressed) || (!level_changed && released))
12393       return;
12394
12395     if (level_changed && !Request("Level has changed! Discard changes?",
12396                                   REQ_ASK))
12397     {
12398       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
12399         ModifyEditorCounterValue(counter_id, *counter_value);
12400
12401       return;
12402     }
12403   }
12404
12405   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
12406     *counter_value = gi->textinput.number_value;
12407   else
12408     ModifyEditorCounterValue(counter_id, *counter_value + step);
12409
12410   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
12411   {
12412     int last_game_engine_type = level.game_engine_type;
12413
12414     LoadLevel(level_nr);
12415     LoadScore(level_nr);
12416
12417     SaveLevelSetup_SeriesInfo();
12418
12419     TapeErase();
12420
12421     ResetUndoBuffer();
12422     DrawEditModeWindow();
12423
12424     if (level.game_engine_type != last_game_engine_type)
12425     {
12426       /* update element selection list */
12427       ReinitializeElementList();
12428       ModifyEditorElementList();
12429     }
12430
12431     return;
12432   }
12433
12434   switch (counter_id)
12435   {
12436     case ED_COUNTER_ID_YAMYAM_CONTENT:
12437       DrawYamYamContentAreas();
12438       break;
12439
12440     case ED_COUNTER_ID_BALL_CONTENT:
12441       DrawMagicBallContentAreas();
12442       break;
12443
12444     case ED_COUNTER_ID_ANDROID_CONTENT:
12445       DrawAndroidElementArea(properties_element);
12446       break;
12447
12448     case ED_COUNTER_ID_GROUP_CONTENT:
12449       DrawGroupElementArea(properties_element);
12450       CopyGroupElementPropertiesToGame(properties_element);
12451       break;
12452
12453     case ED_COUNTER_ID_INVENTORY_SIZE:
12454       DrawPlayerInitialInventoryArea(properties_element);
12455       break;
12456
12457     case ED_COUNTER_ID_ENVELOPE_XSIZE:
12458     case ED_COUNTER_ID_ENVELOPE_YSIZE:
12459       DrawEnvelopeTextArea(-1);
12460       break;
12461
12462     case ED_COUNTER_ID_LEVEL_XSIZE:
12463     case ED_COUNTER_ID_LEVEL_YSIZE:
12464       lev_fieldx = level.fieldx;
12465       lev_fieldy = level.fieldy;
12466
12467       /* check if resizing of level results in change of border border */
12468       SetBorderElement();
12469
12470       break;
12471
12472     default:
12473       break;
12474   }
12475
12476   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
12477        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
12478       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
12479        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
12480     CopyElementPropertiesToGame(properties_element);
12481
12482   /* do not mark level as modified for certain non-level-changing gadgets */
12483   if ((counter_id >= ED_COUNTER_ID_LEVELSET_FIRST &&
12484        counter_id <= ED_COUNTER_ID_LEVELSET_LAST) ||
12485       (counter_id >= ED_COUNTER_ID_EDITOR_FIRST &&
12486        counter_id <= ED_COUNTER_ID_EDITOR_LAST))
12487     return;
12488
12489   level.changed = TRUE;
12490 }
12491
12492 static void HandleTextInputGadgets(struct GadgetInfo *gi)
12493 {
12494   int type_id = gi->custom_type_id;
12495
12496   strcpy(textinput_info[type_id].value, gi->textinput.value);
12497
12498   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
12499   {
12500     CopyElementPropertiesToGame(properties_element);
12501
12502     ModifyEditorElementList();  /* update changed button info text */
12503   }
12504
12505   /* do not mark level as modified for certain non-level-changing gadgets */
12506   if (type_id >= ED_TEXTINPUT_ID_LEVELSET_FIRST &&
12507       type_id <= ED_TEXTINPUT_ID_LEVELSET_LAST)
12508     return;
12509
12510   level.changed = TRUE;
12511 }
12512
12513 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
12514 {
12515   int type_id = gi->custom_type_id;
12516
12517   strncpy(textarea_info[type_id].value, gi->textarea.value,
12518           MAX_ENVELOPE_TEXT_LEN);
12519   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
12520
12521   level.changed = TRUE;
12522 }
12523
12524 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
12525 {
12526   int type_id = gi->custom_type_id;
12527   int value_old = *selectbox_info[type_id].value;
12528   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
12529
12530   *selectbox_info[type_id].value = value_new;
12531
12532   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE)
12533   {
12534     DrawLevelInfoWindow();
12535   }
12536   else if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
12537   {
12538     element_info[properties_element].current_change_page = gi->selectbox.index;
12539
12540     DrawPropertiesWindow();
12541   }
12542   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
12543             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
12544            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
12545             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
12546            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
12547   {
12548     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
12549     {
12550       /* when changing action type, also check action mode and action arg */
12551       if (value_old != value_new)
12552         setSelectboxSpecialActionVariablesIfNeeded();
12553
12554       DrawPropertiesChange();
12555     }
12556
12557     CopyElementPropertiesToGame(properties_element);
12558   }
12559   else if (type_id == ED_SELECTBOX_ID_GAME_ENGINE_TYPE)
12560   {
12561     /* update element selection list */
12562     ReinitializeElementList();
12563     ModifyEditorElementList();
12564   }
12565
12566   /* do not mark level as modified for certain non-level-changing gadgets */
12567   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE ||
12568       type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
12569     return;
12570
12571   level.changed = TRUE;
12572 }
12573
12574 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
12575 {
12576   int type_id = gi->custom_type_id;
12577   int i;
12578
12579   if (type_id >= ED_TAB_BUTTON_ID_LEVELINFO_FIRST &&
12580       type_id <= ED_TAB_BUTTON_ID_LEVELINFO_LAST)
12581   {
12582     edit_mode_levelinfo = gi->custom_type_id;
12583
12584     DrawLevelInfoWindow();
12585   }
12586   else if (type_id >= ED_TAB_BUTTON_ID_PROPERTIES_FIRST &&
12587            type_id <= ED_TAB_BUTTON_ID_PROPERTIES_LAST)
12588   {
12589     edit_mode_properties = gi->custom_type_id;
12590
12591     DrawPropertiesWindow();
12592   }
12593   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1 ||
12594            type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2)
12595   {
12596     boolean new_template = !fileExists(getLocalLevelTemplateFilename());
12597
12598     /* backup original "level.field" (needed to track playfield changes) */
12599     CopyPlayfield(level.field, FieldBackup);
12600
12601     /* "SaveLevelTemplate()" uses "level.field", so copy editor playfield */
12602     CopyPlayfield(Feld, level.field);
12603
12604     if (new_template ||
12605         Request("Save this template and kill the old?", REQ_ASK))
12606       SaveLevelTemplate();
12607
12608     if (new_template)
12609       Request("Template saved!", REQ_CONFIRM);
12610
12611     /* restore original "level.field" (needed to track playfield changes) */
12612     CopyPlayfield(FieldBackup, level.field);
12613   }
12614   else if (type_id == ED_TEXTBUTTON_ID_SAVE_LEVELSET)
12615   {
12616     char *levelset_subdir = getLevelSubdirFromSaveMode(levelset_save_mode);
12617
12618     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE &&
12619         leveldir_current->readonly)
12620     {
12621       Request("This level set is read only!", REQ_CONFIRM);
12622
12623       return;
12624     }
12625
12626     if (strEqual(levelset_name, ""))
12627     {
12628       Request("Please enter level set title!", REQ_CONFIRM);
12629
12630       return;
12631     }
12632
12633     if (strEqual(levelset_author, ""))
12634     {
12635       Request("Please enter level set author!", REQ_CONFIRM);
12636
12637       return;
12638     }
12639
12640     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE)
12641     {
12642       if (UpdateUserLevelSet(levelset_subdir,
12643                              levelset_name,
12644                              levelset_author,
12645                              levelset_num_levels))
12646       {
12647         Request("Level set updated!", REQ_CONFIRM);
12648       }
12649       else
12650       {
12651         Request("Updating level set failed!", REQ_CONFIRM);
12652       }
12653     }
12654     else
12655     {
12656       if (CreateUserLevelSet(levelset_subdir,
12657                              levelset_name,
12658                              levelset_author,
12659                              levelset_num_levels))
12660       {
12661         Request("New level set created!", REQ_CONFIRM);
12662
12663         AddUserLevelSetToLevelInfo(levelset_subdir);
12664         ChangeEditorToLevelSet(levelset_subdir);
12665       }
12666       else
12667       {
12668         Request("Creating new level set failed!", REQ_CONFIRM);
12669       }
12670     }
12671   }
12672   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
12673            custom_element.num_change_pages < MAX_CHANGE_PAGES)
12674   {
12675     struct ElementInfo *ei = &element_info[properties_element];
12676
12677     /* when modifying custom element, ask for copying level template */
12678     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
12679       return;
12680
12681     setElementChangePages(ei, ei->num_change_pages + 1);
12682
12683     /* set new change page to be new current change page */
12684     ei->current_change_page = ei->num_change_pages - 1;
12685     ei->change = &ei->change_page[ei->current_change_page];
12686
12687     setElementChangeInfoToDefaults(ei->change);
12688
12689     DrawPropertiesWindow();
12690
12691     level.changed = TRUE;
12692   }
12693   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
12694            custom_element.num_change_pages > MIN_CHANGE_PAGES)
12695   {
12696     struct ElementInfo *ei = &element_info[properties_element];
12697
12698     /* when modifying custom element, ask for copying level template */
12699     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
12700       return;
12701
12702     /* copy all change pages after change page to be deleted */
12703     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
12704       ei->change_page[i] = ei->change_page[i + 1];
12705
12706     setElementChangePages(ei, ei->num_change_pages - 1);
12707
12708     DrawPropertiesWindow();
12709
12710     level.changed = TRUE;
12711   }
12712 }
12713
12714 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
12715 {
12716   int type_id = gi->custom_type_id;
12717
12718   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
12719       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
12720   {
12721     struct ElementInfo *ei = &element_info[properties_element];
12722     int step = BUTTON_STEPSIZE(gi->event.button);
12723
12724     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
12725     ei->current_change_page += step;
12726
12727     if (ei->current_change_page < 0)
12728       ei->current_change_page = 0;
12729     else if (ei->current_change_page >= ei->num_change_pages)
12730       ei->current_change_page = ei->num_change_pages - 1;
12731
12732     DrawPropertiesWindow();
12733   }
12734   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
12735            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
12736   {
12737     struct ElementInfo *ei = &element_info[properties_element];
12738     int current_change_page = ei->current_change_page;
12739
12740     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
12741     {
12742       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
12743         ei->change_page[current_change_page];
12744     }
12745     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
12746     {
12747       /* when modifying custom element, ask for copying level template */
12748       if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
12749         return;
12750
12751       ei->change_page[current_change_page] =
12752         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
12753
12754       level.changed = TRUE;
12755     }
12756
12757     DrawPropertiesWindow();
12758   }
12759 }
12760
12761 static void HandleRadiobuttons(struct GadgetInfo *gi)
12762 {
12763   int type_id = gi->custom_type_id;
12764
12765   *radiobutton_info[type_id].value =
12766     radiobutton_info[type_id].checked_value;
12767
12768   /* do not mark level as modified for certain non-level-changing gadgets */
12769   if (type_id >= ED_RADIOBUTTON_ID_EDITOR_FIRST &&
12770       type_id <= ED_RADIOBUTTON_ID_EDITOR_LAST)
12771     return;
12772
12773   level.changed = TRUE;
12774 }
12775
12776 static void HandleCheckbuttons(struct GadgetInfo *gi)
12777 {
12778   int type_id = gi->custom_type_id;
12779
12780   *checkbutton_info[type_id].value ^= TRUE;
12781
12782   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
12783       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
12784       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
12785       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
12786          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
12787         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
12788          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
12789        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1))
12790   {
12791     CopyElementPropertiesToGame(properties_element);
12792   }
12793
12794   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
12795   {
12796     UpdateCustomElementGraphicGadgets();
12797   }
12798   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1 ||
12799            type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2)
12800   {
12801     boolean template_related_changes_found = FALSE;
12802     int i;
12803
12804     /* check if any custom or group elements have been changed */
12805     for (i = 0; i < NUM_FILE_ELEMENTS; i++)
12806       if ((IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)) &&
12807           element_info[i].modified_settings)
12808         template_related_changes_found = TRUE;
12809
12810     if (level.use_custom_template &&
12811         !fileExists(getGlobalLevelTemplateFilename()))
12812     {
12813       Request("No level template found!", REQ_CONFIRM);
12814
12815       level.use_custom_template = FALSE;
12816
12817       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
12818
12819       return;
12820     }
12821
12822     if (level.use_custom_template &&
12823         template_related_changes_found &&
12824         !Request("Discard changes and use level template?", REQ_ASK))
12825     {
12826       level.use_custom_template = FALSE;
12827
12828       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
12829
12830       return;
12831     }
12832
12833     if (!level.use_custom_template &&
12834         Request("Copy settings from level template?", REQ_ASK))
12835     {
12836       return;
12837     }
12838
12839     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
12840
12841     DrawEditModeWindow();
12842   }
12843   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3)
12844   {
12845     if (setup.editor.use_template_for_new_levels &&
12846         !fileExists(getGlobalLevelTemplateFilename()))
12847     {
12848       Request("No level template found!", REQ_CONFIRM);
12849
12850       return;
12851     }
12852
12853     if (setup.editor.use_template_for_new_levels &&
12854         level.changed &&
12855         !Request("Discard level and load template?", REQ_ASK))
12856     {
12857       return;
12858     }
12859
12860     if (!setup.editor.use_template_for_new_levels &&
12861         level.changed &&
12862         !Request("Discard level and use empty level?", REQ_ASK))
12863     {
12864       return;
12865     }
12866
12867     LoadLevel(level_nr);
12868     LoadScore(level_nr);
12869
12870     TapeErase();
12871
12872     ResetUndoBuffer();
12873     DrawEditModeWindow();
12874   }
12875   else if (type_id == ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS)
12876   {
12877     SetAutomaticNumberOfGemsNeeded();
12878   }
12879
12880   /* do not mark level as modified for certain non-level-changing gadgets */
12881   if ((type_id >= ED_CHECKBUTTON_ID_EDITOR_FIRST &&
12882        type_id <= ED_CHECKBUTTON_ID_EDITOR_LAST) ||
12883       type_id == ED_CHECKBUTTON_ID_STICK_ELEMENT)
12884     return;
12885
12886   level.changed = TRUE;
12887 }
12888
12889 static void HandleControlButtons(struct GadgetInfo *gi)
12890 {
12891   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
12892   static int last_edit_mode = ED_MODE_DRAWING;
12893   static int last_custom_copy_mode = -1;
12894   static int last_button = 0;
12895   int id = gi->custom_id;
12896   int button = gi->event.button;
12897   int step = BUTTON_STEPSIZE(button);
12898   int new_element = BUTTON_ELEMENT(button);
12899   int last_properties_element = properties_element;
12900   int x, y;
12901
12902   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
12903     DrawLevelText(0, 0, 0, TEXT_END);
12904
12905   if (id < ED_NUM_CTRL1_BUTTONS &&
12906       id != GADGET_ID_SINGLE_ITEMS &&
12907       id != GADGET_ID_PICK_ELEMENT &&
12908       edit_mode != ED_MODE_DRAWING &&
12909       drawing_function != GADGET_ID_PICK_ELEMENT &&
12910       !(GetKeyModState() & KMOD_Control))
12911     ChangeEditModeWindow(ED_MODE_DRAWING);
12912
12913   /* element copy mode active, but no element button pressed => deactivate */
12914   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
12915     last_custom_copy_mode = -1;
12916
12917   /* when showing palette on element buttons, change element of button used */
12918   if (editor.palette.show_on_element_buttons &&
12919       id >= GADGET_ID_ELEMENT_LEFT && id <= GADGET_ID_ELEMENT_RIGHT)
12920   {
12921     last_button = id - GADGET_ID_ELEMENT_LEFT + 1;
12922
12923     id = GADGET_ID_PALETTE;
12924   }
12925
12926   switch (id)
12927   {
12928     case GADGET_ID_SCROLL_LEFT:
12929       if (level_xpos >= 0)
12930       {
12931         if (lev_fieldx < ed_fieldx - 2)
12932           break;
12933
12934         level_xpos -= step;
12935         if (level_xpos < -1)
12936           level_xpos = -1;
12937         if (button == 1)
12938           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
12939         else
12940           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12941
12942         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
12943                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
12944       }
12945       break;
12946
12947     case GADGET_ID_SCROLL_RIGHT:
12948       if (level_xpos <= lev_fieldx - ed_fieldx)
12949       {
12950         if (lev_fieldx < ed_fieldx - 2)
12951           break;
12952
12953         level_xpos += step;
12954         if (level_xpos > lev_fieldx - ed_fieldx + 1)
12955           level_xpos = lev_fieldx - ed_fieldx + 1;
12956         if (button == 1)
12957           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
12958         else
12959           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12960
12961         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
12962                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
12963       }
12964       break;
12965
12966     case GADGET_ID_SCROLL_UP:
12967       if (level_ypos >= 0)
12968       {
12969         if (lev_fieldy < ed_fieldy - 2)
12970           break;
12971
12972         level_ypos -= step;
12973         if (level_ypos < -1)
12974           level_ypos = -1;
12975         if (button == 1)
12976           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
12977         else
12978           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12979
12980         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
12981                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
12982       }
12983       break;
12984
12985     case GADGET_ID_SCROLL_DOWN:
12986       if (level_ypos <= lev_fieldy - ed_fieldy)
12987       {
12988         if (lev_fieldy < ed_fieldy - 2)
12989           break;
12990
12991         level_ypos += step;
12992         if (level_ypos > lev_fieldy - ed_fieldy + 1)
12993           level_ypos = lev_fieldy - ed_fieldy + 1;
12994         if (button == 1)
12995           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_UP);
12996         else
12997           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12998
12999         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
13000                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
13001       }
13002       break;
13003
13004     case GADGET_ID_SCROLL_HORIZONTAL:
13005       level_xpos = gi->event.item_position - 1;
13006
13007       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13008       BackToFront();
13009
13010       break;
13011
13012     case GADGET_ID_SCROLL_VERTICAL:
13013       level_ypos = gi->event.item_position - 1;
13014
13015       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13016       BackToFront();
13017
13018       break;
13019
13020     case GADGET_ID_SCROLL_LIST_UP:
13021     case GADGET_ID_SCROLL_LIST_DOWN:
13022     case GADGET_ID_SCROLL_LIST_VERTICAL:
13023       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
13024         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
13025       else
13026       {
13027         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
13028         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
13029
13030         if (element_shift < 0)
13031           element_shift = 0;
13032         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
13033           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
13034
13035         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
13036                      GDI_SCROLLBAR_ITEM_POSITION,
13037                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
13038       }
13039
13040       ModifyEditorElementList();
13041
13042       break;
13043
13044     case GADGET_ID_PROPERTIES:
13045       // always switch off element properties when they are already displayed
13046       last_properties_element = new_element;
13047     case GADGET_ID_ELEMENT_LEFT:
13048     case GADGET_ID_ELEMENT_MIDDLE:
13049     case GADGET_ID_ELEMENT_RIGHT:
13050       properties_element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
13051                             id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
13052                             id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 :
13053                             new_element);
13054
13055       if (edit_mode != ED_MODE_PROPERTIES)
13056       {
13057         last_edit_mode = edit_mode;
13058
13059         ChangeEditModeWindow(ED_MODE_PROPERTIES);
13060
13061         last_level_drawing_function = drawing_function;
13062         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
13063                       MB_LEFTBUTTON);
13064       }
13065       else if (properties_element != last_properties_element)
13066       {
13067         DrawEditModeWindow();
13068       }
13069       else
13070       {
13071         ChangeEditModeWindow(last_edit_mode);
13072
13073         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
13074                       MB_LEFTBUTTON);
13075       }
13076       break;
13077
13078     case GADGET_ID_PALETTE:
13079       if (edit_mode != ED_MODE_PALETTE)
13080       {
13081         last_edit_mode = edit_mode;
13082
13083         ChangeEditModeWindow(ED_MODE_PALETTE);
13084       }
13085       else
13086       {
13087         ChangeEditModeWindow(last_edit_mode);
13088       }
13089       break;
13090
13091     case GADGET_ID_WRAP_LEFT:
13092       WrapLevel(-step, 0);
13093       break;
13094
13095     case GADGET_ID_WRAP_RIGHT:
13096       WrapLevel(step, 0);
13097       break;
13098
13099     case GADGET_ID_WRAP_UP:
13100       WrapLevel(0, -step);
13101       break;
13102
13103     case GADGET_ID_WRAP_DOWN:
13104       WrapLevel(0, step);
13105       break;
13106
13107     case GADGET_ID_SINGLE_ITEMS:
13108     case GADGET_ID_CONNECTED_ITEMS:
13109     case GADGET_ID_LINE:
13110     case GADGET_ID_ARC:
13111     case GADGET_ID_TEXT:
13112     case GADGET_ID_RECTANGLE:
13113     case GADGET_ID_FILLED_BOX:
13114     case GADGET_ID_FLOOD_FILL:
13115     case GADGET_ID_GRAB_BRUSH:
13116     case GADGET_ID_PICK_ELEMENT:
13117       if (drawing_function != GADGET_ID_PICK_ELEMENT)
13118         last_drawing_function = drawing_function;
13119       drawing_function = id;
13120       draw_with_brush = FALSE;
13121       break;
13122
13123     case GADGET_ID_RANDOM_PLACEMENT:
13124       RandomPlacement(new_element);
13125       break;
13126
13127     case GADGET_ID_ZOOM:
13128       // zoom level editor tile size in or out (or reset to default size)
13129       ed_tilesize = (button == 1 ? ed_tilesize * 2 :
13130                      button == 2 ? DEFAULT_EDITOR_TILESIZE :
13131                      button == 3 ? ed_tilesize / 2 : ed_tilesize);
13132
13133       // limit zoom level by upper and lower bound
13134       ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
13135
13136       InitZoomLevelSettings(ed_tilesize);
13137
13138       if (edit_mode == ED_MODE_DRAWING)
13139       {
13140         DrawDrawingWindow();
13141
13142         /* redraw zoom gadget info text */
13143         PrintEditorGadgetInfoText(level_editor_gadget[id]);
13144       }
13145
13146       /* save current editor zoom tilesize */
13147       SaveSetup_AutoSetup();
13148
13149       break;
13150
13151     case GADGET_ID_CUSTOM_COPY_FROM:
13152     case GADGET_ID_CUSTOM_COPY_TO:
13153     case GADGET_ID_CUSTOM_EXCHANGE:
13154       last_custom_copy_mode = id;
13155       last_drawing_function = drawing_function;
13156       break;
13157
13158     case GADGET_ID_CUSTOM_COPY:
13159       CopyCustomElement(properties_element, -1, id);
13160       break;
13161
13162     case GADGET_ID_CUSTOM_PASTE:
13163       CopyCustomElement(-1, properties_element, id);
13164       break;
13165
13166     case GADGET_ID_UNDO:
13167       if (button == 1 && GetKeyModState() & (KMOD_Shift|KMOD_Control))
13168         button = 3;
13169
13170       if (button == 1 && undo_buffer_steps == 0)
13171       {
13172         Request("Undo buffer empty!", REQ_CONFIRM);
13173
13174         break;
13175       }
13176       else if (button == 2)
13177       {
13178         break;
13179       }
13180       else if (button == 3 && redo_buffer_steps == 0)
13181       {
13182         Request("Redo buffer empty!", REQ_CONFIRM);
13183
13184         break;
13185       }
13186
13187       if (edit_mode != ED_MODE_DRAWING)
13188         ChangeEditModeWindow(ED_MODE_DRAWING);
13189
13190       if (button == 1)
13191       {
13192         /* undo */
13193
13194         undo_buffer_position =
13195           (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
13196
13197         undo_buffer_steps--;
13198         redo_buffer_steps++;
13199       }
13200       else
13201       {
13202         /* redo */
13203
13204         undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
13205
13206         undo_buffer_steps++;
13207         redo_buffer_steps--;
13208       }
13209
13210       for (x = 0; x < lev_fieldx; x++)
13211         for (y = 0; y < lev_fieldy; y++)
13212           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
13213
13214       /* check if undo operation forces change of border style */
13215       CheckLevelBorderElement(FALSE);
13216
13217       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13218
13219       break;
13220
13221     case GADGET_ID_INFO:
13222       if (edit_mode != ED_MODE_INFO)
13223       {
13224         last_edit_mode = edit_mode;
13225
13226         ChangeEditModeWindow(ED_MODE_INFO);
13227       }
13228       else
13229       {
13230         ChangeEditModeWindow(last_edit_mode);
13231       }
13232       break;
13233
13234     case GADGET_ID_CLEAR:
13235       if (edit_mode != ED_MODE_DRAWING)
13236         ChangeEditModeWindow(ED_MODE_DRAWING);
13237
13238       for (x = 0; x < MAX_LEV_FIELDX; x++)
13239         for (y = 0; y < MAX_LEV_FIELDY; y++)
13240           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
13241
13242       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
13243
13244       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13245       break;
13246
13247     case GADGET_ID_SAVE:
13248     {
13249       /* saving read-only levels into personal level set modifies global vars
13250          "leveldir_current" and "level_nr"; restore them after saving level */
13251       LevelDirTree *leveldir_former = leveldir_current;
13252       int level_nr_former = level_nr;
13253       char *level_filename;
13254       boolean new_level;
13255
13256       if (leveldir_current->readonly &&
13257           !PrepareSavingIntoPersonalLevelSet())
13258         break;
13259
13260       level_filename = getDefaultLevelFilename(level_nr);
13261       new_level = !fileExists(level_filename);
13262
13263       if (new_level ||
13264           Request("Save this level and kill the old?", REQ_ASK))
13265       {
13266         if (leveldir_former->readonly)
13267           ModifyLevelInfoForSavingIntoPersonalLevelSet(leveldir_former->name);
13268
13269         SetAutomaticNumberOfGemsNeeded();
13270
13271         CopyPlayfield(Feld, level.field);
13272         SaveLevel(level_nr);
13273
13274         level.changed = FALSE;
13275
13276         if (new_level)
13277         {
13278           char level_saved_msg[64];
13279
13280           if (leveldir_former->readonly)
13281             sprintf(level_saved_msg,
13282                     "Level saved as level %d into personal level set!",
13283                     level_nr);
13284           else
13285             strcpy(level_saved_msg, "Level saved!");
13286
13287           Request(level_saved_msg, REQ_CONFIRM);
13288         }
13289       }
13290
13291       /* "cd" back to copied-from levelset (in case of saved read-only level) */
13292       leveldir_current = leveldir_former;
13293       level_nr = level_nr_former;
13294
13295       break;
13296     }
13297
13298     case GADGET_ID_TEST:
13299       if (LevelChanged())
13300         level.game_version = GAME_VERSION_ACTUAL;
13301
13302       CopyPlayfield(level.field, FieldBackup);
13303       CopyPlayfield(Feld, level.field);
13304
13305       CopyNativeLevel_RND_to_Native(&level);
13306
13307       UnmapLevelEditorGadgets();
13308       UndrawSpecialEditorDoor();
13309
13310       CloseDoor(DOOR_CLOSE_ALL);
13311
13312       /* needed before playing if editor playfield area has different size */
13313       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
13314
13315       // redraw_mask = REDRAW_ALL;
13316
13317       level_editor_test_game = TRUE;
13318
13319       StartGameActions(FALSE, setup.autorecord, level.random_seed);
13320
13321       break;
13322
13323     case GADGET_ID_EXIT:
13324       RequestExitLevelEditor(TRUE, FALSE);  /* if level has changed, ask user */
13325       break;
13326
13327     default:
13328       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
13329           id <= GADGET_ID_ELEMENTLIST_LAST)
13330       {
13331         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
13332         int new_element = editor_elements[element_position + element_shift];
13333
13334         if (IS_EDITOR_CASCADE(new_element))
13335         {
13336           int i;
13337
13338           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
13339           {
13340             int *cascade_element= &(*editor_elements_info[i].headline_list)[0];
13341             boolean *cascade_value=editor_elements_info[i].setup_cascade_value;
13342
13343             if (*cascade_element == new_element)
13344             {
13345               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
13346               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
13347
13348               /* update element selection list */
13349               ReinitializeElementList();
13350               ModifyEditorElementList();
13351
13352               /* update cascading gadget info text */
13353               PrintEditorGadgetInfoText(level_editor_gadget[id]);
13354
13355               /* save current editor cascading state */
13356               SaveSetup_EditorCascade();
13357
13358               break;
13359             }
13360           }
13361
13362           break;
13363         }
13364
13365         if (last_custom_copy_mode != -1)
13366         {
13367           if (CopyCustomElement(properties_element, new_element,
13368                                 last_custom_copy_mode))
13369           {
13370             ClickOnGadget(level_editor_gadget[last_drawing_function],
13371                           MB_LEFTBUTTON);
13372
13373             last_custom_copy_mode = -1;
13374           }
13375
13376           break;
13377         }
13378
13379         /* change element of button used to show palette */
13380         if (editor.palette.show_on_element_buttons)
13381           button = last_button;
13382
13383         PickDrawingElement(button, new_element);
13384
13385         if (!stick_element_properties_window &&
13386             drawing_function != GADGET_ID_PICK_ELEMENT &&
13387             !(GetKeyModState() & KMOD_Control))
13388         {
13389           properties_element = new_element;
13390           if (edit_mode == ED_MODE_PROPERTIES)
13391             DrawPropertiesWindow();
13392         }
13393
13394         if (drawing_function == GADGET_ID_PICK_ELEMENT)
13395           ClickOnGadget(level_editor_gadget[last_drawing_function],
13396                         MB_LEFTBUTTON);
13397
13398         if (!use_permanent_palette)
13399           ChangeEditModeWindow(last_edit_mode);
13400       }
13401 #ifdef DEBUG
13402       else if (gi->event.type == GD_EVENT_PRESSED)
13403         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
13404       else if (gi->event.type == GD_EVENT_RELEASED)
13405         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
13406       else if (gi->event.type == GD_EVENT_MOVING)
13407         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
13408       else
13409         printf("default: HandleControlButtons: ? (id == %d)\n", id);
13410 #endif
13411       break;
13412   }
13413 }
13414
13415 void HandleLevelEditorKeyInput(Key key)
13416 {
13417   char letter = getCharFromKey(key);
13418   int button = MB_LEFTBUTTON;
13419
13420   if (drawing_function == GADGET_ID_TEXT &&
13421       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
13422   {
13423     if (letter)
13424       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
13425     else if (key == KSYM_Delete || key == KSYM_BackSpace)
13426       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
13427     else if (key == KSYM_Return)
13428       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
13429     else if (key == KSYM_Escape)
13430       DrawLevelText(0, 0, 0, TEXT_END);
13431   }
13432   else if (button_status == MB_RELEASED)
13433   {
13434     int id = GADGET_ID_NONE;
13435     int new_element_shift = element_shift;
13436     int step = ED_ELEMENTLIST_BUTTONS_VERT - 1;
13437     int i;
13438
13439     switch (key)
13440     {
13441       case KSYM_Left:
13442         id = GADGET_ID_SCROLL_LEFT;
13443         break;
13444       case KSYM_Right:
13445         id = GADGET_ID_SCROLL_RIGHT;
13446         break;
13447       case KSYM_Up:
13448         id = GADGET_ID_SCROLL_UP;
13449         break;
13450       case KSYM_Down:
13451         id = GADGET_ID_SCROLL_DOWN;
13452         break;
13453
13454       case KSYM_Page_Up:
13455       case KSYM_Page_Down:
13456         step *= (key == KSYM_Page_Up ? -1 : +1);
13457         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
13458
13459         if (element_shift < 0)
13460           element_shift = 0;
13461         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
13462           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
13463
13464         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
13465                      GDI_SCROLLBAR_ITEM_POSITION,
13466                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
13467
13468         ModifyEditorElementList();
13469
13470         break;
13471
13472       case KSYM_Home:
13473       case KSYM_End:
13474         element_shift = (key == KSYM_Home ? 0 :
13475                          num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
13476
13477         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
13478                      GDI_SCROLLBAR_ITEM_POSITION,
13479                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
13480
13481         ModifyEditorElementList();
13482
13483         break;
13484
13485       case KSYM_Insert:
13486       case KSYM_Delete:
13487
13488         /* this is needed to prevent interference with running "True X-Mouse" */
13489         if (GetKeyModStateFromEvents() & KMOD_Control)
13490           break;
13491
13492         /* check for last or next editor cascade block in element list */
13493         for (i = 0; i < num_editor_elements; i++)
13494         {
13495           if ((key == KSYM_Insert && i == element_shift) ||
13496               (key == KSYM_Delete && new_element_shift > element_shift))
13497             break;
13498
13499           /* jump to next cascade block (or to start of element list) */
13500           if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
13501             new_element_shift = i;
13502         }
13503
13504         if (i < num_editor_elements)
13505           element_shift = new_element_shift;
13506
13507         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
13508           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
13509
13510         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
13511                      GDI_SCROLLBAR_ITEM_POSITION,
13512                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
13513
13514         ModifyEditorElementList();
13515
13516         break;
13517
13518       case KSYM_Escape:
13519         if (edit_mode == ED_MODE_DRAWING)
13520         {
13521           RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
13522         }
13523         else if (edit_mode == ED_MODE_INFO)
13524         {
13525           HandleControlButtons(level_editor_gadget[GADGET_ID_INFO]);
13526         }
13527         else if (edit_mode == ED_MODE_PROPERTIES)
13528         {
13529           HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
13530         }
13531         else if (edit_mode == ED_MODE_PALETTE)
13532         {
13533           HandleControlButtons(level_editor_gadget[GADGET_ID_PALETTE]);
13534         }
13535         else            /* should never happen */
13536         {
13537           ChangeEditModeWindow(ED_MODE_DRAWING);
13538         }
13539
13540         break;
13541
13542       default:
13543         break;
13544     }
13545
13546     if (id != GADGET_ID_NONE)
13547       ClickOnGadget(level_editor_gadget[id], button);
13548     else if (letter == '1' || letter == '?')
13549       ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_LEFT], button);
13550     else if (letter == '2')
13551       ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_MIDDLE], button);
13552     else if (letter == '3')
13553       ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_RIGHT], button);
13554     else if (letter == '.')
13555       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
13556     else if (letter == 'U')
13557       ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
13558     else if (letter == '-' || key == KSYM_KP_Subtract)
13559       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 3);
13560     else if (letter == '0' || key == KSYM_KP_0)
13561       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 2);
13562     else if (letter == '+' || key == KSYM_KP_Add ||
13563              letter == '=')     // ("Shift-=" is "+" on US keyboards)
13564       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 1);
13565     else if (key == KSYM_Return ||
13566              key == KSYM_space ||
13567              key == setup.shortcut.toggle_pause)
13568       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
13569     else
13570       for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
13571         if (letter && letter == controlbutton_info[i].shortcut)
13572           if (!anyTextGadgetActive())
13573             ClickOnGadget(level_editor_gadget[i], button);
13574   }
13575 }
13576
13577 void HandleLevelEditorIdle()
13578 {
13579   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
13580   int x = editor.settings.element_graphic.x + element_border;
13581   int y = editor.settings.element_graphic.y + element_border;
13582   static unsigned int action_delay = 0;
13583   unsigned int action_delay_value = GameFrameDelay;
13584   int i;
13585
13586   if (edit_mode != ED_MODE_PROPERTIES)
13587     return;
13588
13589   if (!DelayReached(&action_delay, action_delay_value))
13590     return;
13591
13592   for (i = 0; i < ED_NUM_SELECTBOX; i++)
13593   {
13594     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
13595
13596     if (gi->mapped && gi->active && gi->selectbox.open)
13597       return;
13598   }
13599
13600   DrawEditorElementAnimation(SX + x, SY + y);
13601
13602   redraw_mask |= REDRAW_FIELD;
13603
13604   FrameCounter++;       /* increase animation frame counter */
13605 }
13606
13607 static void ClearEditorGadgetInfoText()
13608 {
13609   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
13610 }
13611
13612 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
13613 {
13614   char infotext[MAX_OUTPUT_LINESIZE + 1];
13615   char shortcut[MAX_OUTPUT_LINESIZE + 1];
13616   int max_infotext_len = getMaxInfoTextLength();
13617
13618   if (gi == NULL || strlen(gi->info_text) == 0)
13619     return;
13620
13621   strncpy(infotext, gi->info_text, max_infotext_len);
13622   infotext[max_infotext_len] = '\0';
13623
13624   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
13625   {
13626     int key = controlbutton_info[gi->custom_id].shortcut;
13627
13628     if (key)
13629     {
13630       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)
13631         sprintf(shortcut, " ('.' or '%c')", key);
13632       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT)
13633         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
13634       else if (gi->custom_id == GADGET_ID_TEST)
13635         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
13636       else if (gi->custom_id == GADGET_ID_UNDO)
13637         sprintf(shortcut, " ('%c/Shift-U')", key);
13638       else if (gi->custom_id == GADGET_ID_ZOOM)
13639         sprintf(shortcut, " ('%c', '0', '-')", key);
13640       else
13641         sprintf(shortcut, " ('%s%c')",
13642                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
13643
13644       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
13645         strcat(infotext, shortcut);
13646     }
13647   }
13648
13649   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, INFOTEXT_FONT);
13650 }
13651
13652 void HandleEditorGadgetInfoText(void *ptr)
13653 {
13654   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
13655
13656   if (game_status != GAME_MODE_EDITOR)
13657     return;
13658
13659   ClearEditorGadgetInfoText();
13660
13661   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
13662     return;
13663
13664   /* misuse this function to delete brush cursor, if needed */
13665   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
13666     DeleteBrushFromCursor();
13667
13668   PrintEditorGadgetInfoText(gi);
13669 }
13670
13671 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
13672 {
13673   static int start_lx, start_ly;
13674   int id = gi->custom_id;
13675   int type_id = gi->custom_type_id;
13676   int sx = gi->event.x;
13677   int sy = gi->event.y;
13678   int lx = sx + level_xpos;
13679   int ly = sy + level_ypos;
13680   int min_sx = 0, min_sy = 0;
13681   int max_sx = gi->drawing.area_xsize - 1;
13682   int max_sy = gi->drawing.area_ysize - 1;
13683   int actual_drawing_function = drawing_function;
13684   int max_infotext_len = getMaxInfoTextLength();
13685   char infotext[MAX_OUTPUT_LINESIZE + 1];
13686   char *text;
13687
13688   infotext[0] = '\0';           /* start with empty info text */
13689
13690   /* pressed Control key: simulate picking element */
13691   if (GetKeyModState() & KMOD_Control)
13692     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
13693
13694   ClearEditorGadgetInfoText();
13695
13696   if (gi->event.type == GD_EVENT_INFO_LEAVING)
13697     return;
13698
13699   /* make sure to stay inside drawing area boundaries */
13700   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
13701   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
13702
13703   if (id == GADGET_ID_DRAWING_LEVEL)
13704   {
13705     if (button_status)
13706     {
13707       int min_lx = 0, min_ly = 0;
13708       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
13709
13710       /* get positions inside level field */
13711       lx = sx + level_xpos;
13712       ly = sy + level_ypos;
13713
13714       /* make sure to stay inside level field boundaries */
13715       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
13716       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
13717
13718       /* correct drawing area positions accordingly */
13719       sx = lx - level_xpos;
13720       sy = ly - level_ypos;
13721     }
13722
13723     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
13724     {
13725       if (button_status)        /* if (gi->state == GD_BUTTON_PRESSED) */
13726       {
13727         if (gi->event.type == GD_EVENT_PRESSED)
13728         {
13729           start_lx = lx;
13730           start_ly = ly;
13731         }
13732
13733         switch (actual_drawing_function)
13734         {
13735           case GADGET_ID_SINGLE_ITEMS:
13736             text = "Drawing single items";
13737             break;
13738           case GADGET_ID_CONNECTED_ITEMS:
13739             text = "Drawing connected items";
13740             break;
13741           case GADGET_ID_LINE:
13742             text = "Drawing line";
13743             break;
13744           case GADGET_ID_ARC:
13745             text = "Drawing arc";
13746             break;
13747           case GADGET_ID_TEXT:
13748             text = "Setting text cursor";
13749             break;
13750           case GADGET_ID_RECTANGLE:
13751             text = "Drawing rectangle";
13752             break;
13753           case GADGET_ID_FILLED_BOX:
13754             text = "Drawing filled box";
13755             break;
13756           case GADGET_ID_FLOOD_FILL:
13757             text = "Flood fill";
13758             break;
13759           case GADGET_ID_GRAB_BRUSH:
13760             text = "Grabbing brush";
13761             break;
13762           case GADGET_ID_PICK_ELEMENT:
13763             text = "Picking element";
13764             break;
13765
13766           default:
13767             text = "Drawing position";
13768             break;
13769         }
13770
13771         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
13772           sprintf(infotext, "%s: %d, %d", text, lx, ly);
13773         else
13774           sprintf(infotext, "%s: %d, %d", text,
13775                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
13776       }
13777       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
13778         strncpy(infotext, getElementInfoText(Feld[lx][ly]), max_infotext_len);
13779       else
13780         sprintf(infotext, "Level position: %d, %d", lx, ly);
13781     }
13782
13783     /* misuse this function to draw brush cursor, if needed */
13784     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
13785     {
13786       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
13787         CopyBrushToCursor(sx, sy);
13788       else
13789         DeleteBrushFromCursor();
13790     }
13791   }
13792   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
13793   {
13794     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
13795     int element = drawingarea_info[type_id].value[pos];
13796
13797     strncpy(infotext, getElementInfoText(element), max_infotext_len);
13798   }
13799   else
13800   {
13801     if (id == GADGET_ID_CUSTOM_CONTENT)
13802       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
13803     else if (id == GADGET_ID_GROUP_CONTENT)
13804       sprintf(infotext, "group element position: %d", sx + 1);
13805     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
13806              id <= GADGET_ID_YAMYAM_CONTENT_7)
13807       sprintf(infotext, "content area %d position: %d, %d",
13808               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
13809     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
13810              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
13811       sprintf(infotext, "content area %d position: %d, %d",
13812               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
13813     else if (id == GADGET_ID_ANDROID_CONTENT)
13814       sprintf(infotext, "android element position: %d", sx + 1);
13815     else if (drawingarea_info[type_id].infotext != NULL)
13816       strcpy(infotext, drawingarea_info[type_id].infotext);
13817   }
13818
13819   infotext[max_infotext_len] = '\0';
13820
13821   if (strlen(infotext) > 0)
13822     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT, infotext);
13823 }
13824
13825 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
13826                             boolean quick_quit)
13827 {
13828   if (!ask_if_level_has_changed ||
13829       !LevelChanged() ||
13830       Request("Level has changed! Exit without saving?",
13831               REQ_ASK | REQ_STAY_OPEN))
13832   {
13833     struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
13834     struct RectWithBorder *vp_door_2 = &viewport.door_2[GAME_MODE_MAIN];
13835
13836     /* draw normal door */
13837     UndrawSpecialEditorDoor();
13838
13839     // close editor doors if viewport definition is the same as in main menu
13840     if (vp_door_1->x      == DX     &&
13841         vp_door_1->y      == DY     &&
13842         vp_door_1->width  == DXSIZE &&
13843         vp_door_1->height == DYSIZE &&
13844         vp_door_2->x      == VX     &&
13845         vp_door_2->y      == VY     &&
13846         vp_door_2->width  == VXSIZE &&
13847         vp_door_2->height == VYSIZE)
13848       CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
13849     else
13850       SetDoorState(DOOR_CLOSE_2);
13851
13852     BackToFront();
13853
13854     if (quick_quit)
13855       FadeSkipNextFadeIn();
13856
13857     SetGameStatus(GAME_MODE_MAIN);
13858
13859     DrawMainMenu();
13860   }
13861   else
13862   {
13863     if (!global.use_envelope_request)
13864     {
13865       CloseDoor(DOOR_CLOSE_1);
13866       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
13867     }
13868   }
13869 }