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_ELEMENT_VALUE1_DOWN   (GADGET_ID_COUNTER_FIRST + 24)
 427 #define GADGET_ID_ELEMENT_VALUE1_TEXT   (GADGET_ID_COUNTER_FIRST + 25)
 428 #define GADGET_ID_ELEMENT_VALUE1_UP     (GADGET_ID_COUNTER_FIRST + 26)
 429 #define GADGET_ID_ELEMENT_VALUE2_DOWN   (GADGET_ID_COUNTER_FIRST + 27)
 430 #define GADGET_ID_ELEMENT_VALUE2_TEXT   (GADGET_ID_COUNTER_FIRST + 28)
 431 #define GADGET_ID_ELEMENT_VALUE2_UP     (GADGET_ID_COUNTER_FIRST + 29)
 432 #define GADGET_ID_ELEMENT_VALUE3_DOWN   (GADGET_ID_COUNTER_FIRST + 30)
 433 #define GADGET_ID_ELEMENT_VALUE3_TEXT   (GADGET_ID_COUNTER_FIRST + 31)
 434 #define GADGET_ID_ELEMENT_VALUE3_UP     (GADGET_ID_COUNTER_FIRST + 32)
 435 #define GADGET_ID_ELEMENT_VALUE4_DOWN   (GADGET_ID_COUNTER_FIRST + 33)
 436 #define GADGET_ID_ELEMENT_VALUE4_TEXT   (GADGET_ID_COUNTER_FIRST + 34)
 437 #define GADGET_ID_ELEMENT_VALUE4_UP     (GADGET_ID_COUNTER_FIRST + 35)
 438 #define GADGET_ID_YAMYAM_CONTENT_DOWN   (GADGET_ID_COUNTER_FIRST + 36)
 439 #define GADGET_ID_YAMYAM_CONTENT_TEXT   (GADGET_ID_COUNTER_FIRST + 37)
 440 #define GADGET_ID_YAMYAM_CONTENT_UP     (GADGET_ID_COUNTER_FIRST + 38)
 441 #define GADGET_ID_BALL_CONTENT_DOWN     (GADGET_ID_COUNTER_FIRST + 39)
 442 #define GADGET_ID_BALL_CONTENT_TEXT     (GADGET_ID_COUNTER_FIRST + 40)
 443 #define GADGET_ID_BALL_CONTENT_UP       (GADGET_ID_COUNTER_FIRST + 41)
 444 #define GADGET_ID_ANDROID_CONTENT_DOWN  (GADGET_ID_COUNTER_FIRST + 42)
 445 #define GADGET_ID_ANDROID_CONTENT_TEXT  (GADGET_ID_COUNTER_FIRST + 43)
 446 #define GADGET_ID_ANDROID_CONTENT_UP    (GADGET_ID_COUNTER_FIRST + 44)
 447 #define GADGET_ID_ENVELOPE_XSIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 45)
 448 #define GADGET_ID_ENVELOPE_XSIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 46)
 449 #define GADGET_ID_ENVELOPE_XSIZE_UP     (GADGET_ID_COUNTER_FIRST + 47)
 450 #define GADGET_ID_ENVELOPE_YSIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 48)
 451 #define GADGET_ID_ENVELOPE_YSIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 49)
 452 #define GADGET_ID_ENVELOPE_YSIZE_UP     (GADGET_ID_COUNTER_FIRST + 50)
 453 #define GADGET_ID_INVENTORY_SIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 51)
 454 #define GADGET_ID_INVENTORY_SIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 52)
 455 #define GADGET_ID_INVENTORY_SIZE_UP     (GADGET_ID_COUNTER_FIRST + 53)
 456 #define GADGET_ID_CUSTOM_SCORE_DOWN     (GADGET_ID_COUNTER_FIRST + 54)
 457 #define GADGET_ID_CUSTOM_SCORE_TEXT     (GADGET_ID_COUNTER_FIRST + 55)
 458 #define GADGET_ID_CUSTOM_SCORE_UP       (GADGET_ID_COUNTER_FIRST + 56)
 459 #define GADGET_ID_CUSTOM_GEMCOUNT_DOWN  (GADGET_ID_COUNTER_FIRST + 57)
 460 #define GADGET_ID_CUSTOM_GEMCOUNT_TEXT  (GADGET_ID_COUNTER_FIRST + 58)
 461 #define GADGET_ID_CUSTOM_GEMCOUNT_UP    (GADGET_ID_COUNTER_FIRST + 59)
 462 #define GADGET_ID_CUSTOM_VALUE_FIX_DOWN (GADGET_ID_COUNTER_FIRST + 60)
 463 #define GADGET_ID_CUSTOM_VALUE_FIX_TEXT (GADGET_ID_COUNTER_FIRST + 61)
 464 #define GADGET_ID_CUSTOM_VALUE_FIX_UP   (GADGET_ID_COUNTER_FIRST + 62)
 465 #define GADGET_ID_CUSTOM_VALUE_RND_DOWN (GADGET_ID_COUNTER_FIRST + 63)
 466 #define GADGET_ID_CUSTOM_VALUE_RND_TEXT (GADGET_ID_COUNTER_FIRST + 64)
 467 #define GADGET_ID_CUSTOM_VALUE_RND_UP   (GADGET_ID_COUNTER_FIRST + 65)
 468 #define GADGET_ID_PUSH_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 66)
 469 #define GADGET_ID_PUSH_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 67)
 470 #define GADGET_ID_PUSH_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 68)
 471 #define GADGET_ID_PUSH_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 69)
 472 #define GADGET_ID_PUSH_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 70)
 473 #define GADGET_ID_PUSH_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 71)
 474 #define GADGET_ID_DROP_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 72)
 475 #define GADGET_ID_DROP_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 73)
 476 #define GADGET_ID_DROP_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 74)
 477 #define GADGET_ID_DROP_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 75)
 478 #define GADGET_ID_DROP_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 76)
 479 #define GADGET_ID_DROP_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 77)
 480 #define GADGET_ID_MOVE_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 78)
 481 #define GADGET_ID_MOVE_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 79)
 482 #define GADGET_ID_MOVE_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 80)
 483 #define GADGET_ID_MOVE_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 81)
 484 #define GADGET_ID_MOVE_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 82)
 485 #define GADGET_ID_MOVE_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 83)
 486 #define GADGET_ID_EXPLOSION_DELAY_DOWN  (GADGET_ID_COUNTER_FIRST + 84)
 487 #define GADGET_ID_EXPLOSION_DELAY_TEXT  (GADGET_ID_COUNTER_FIRST + 85)
 488 #define GADGET_ID_EXPLOSION_DELAY_UP    (GADGET_ID_COUNTER_FIRST + 86)
 489 #define GADGET_ID_IGNITION_DELAY_DOWN   (GADGET_ID_COUNTER_FIRST + 87)
 490 #define GADGET_ID_IGNITION_DELAY_TEXT   (GADGET_ID_COUNTER_FIRST + 88)
 491 #define GADGET_ID_IGNITION_DELAY_UP     (GADGET_ID_COUNTER_FIRST + 89)
 492 #define GADGET_ID_CHANGE_DELAY_FIX_DOWN (GADGET_ID_COUNTER_FIRST + 90)
 493 #define GADGET_ID_CHANGE_DELAY_FIX_TEXT (GADGET_ID_COUNTER_FIRST + 91)
 494 #define GADGET_ID_CHANGE_DELAY_FIX_UP   (GADGET_ID_COUNTER_FIRST + 92)
 495 #define GADGET_ID_CHANGE_DELAY_RND_DOWN (GADGET_ID_COUNTER_FIRST + 93)
 496 #define GADGET_ID_CHANGE_DELAY_RND_TEXT (GADGET_ID_COUNTER_FIRST + 94)
 497 #define GADGET_ID_CHANGE_DELAY_RND_UP   (GADGET_ID_COUNTER_FIRST + 95)
 498 #define GADGET_ID_CHANGE_CONT_RND_DOWN  (GADGET_ID_COUNTER_FIRST + 96)
 499 #define GADGET_ID_CHANGE_CONT_RND_TEXT  (GADGET_ID_COUNTER_FIRST + 97)
 500 #define GADGET_ID_CHANGE_CONT_RND_UP    (GADGET_ID_COUNTER_FIRST + 98)
 501 #define GADGET_ID_GROUP_CONTENT_DOWN    (GADGET_ID_COUNTER_FIRST + 99)
 502 #define GADGET_ID_GROUP_CONTENT_TEXT    (GADGET_ID_COUNTER_FIRST + 100)
 503 #define GADGET_ID_GROUP_CONTENT_UP      (GADGET_ID_COUNTER_FIRST + 101)
 504
 505 /* drawing area identifiers */
 506 #define GADGET_ID_DRAWING_AREA_FIRST    (GADGET_ID_COUNTER_FIRST + 102)
 507
 508 #define GADGET_ID_DRAWING_LEVEL         (GADGET_ID_DRAWING_AREA_FIRST + 0)
 509 #define GADGET_ID_YAMYAM_CONTENT_0      (GADGET_ID_DRAWING_AREA_FIRST + 1)
 510 #define GADGET_ID_YAMYAM_CONTENT_1      (GADGET_ID_DRAWING_AREA_FIRST + 2)
 511 #define GADGET_ID_YAMYAM_CONTENT_2      (GADGET_ID_DRAWING_AREA_FIRST + 3)
 512 #define GADGET_ID_YAMYAM_CONTENT_3      (GADGET_ID_DRAWING_AREA_FIRST + 4)
 513 #define GADGET_ID_YAMYAM_CONTENT_4      (GADGET_ID_DRAWING_AREA_FIRST + 5)
 514 #define GADGET_ID_YAMYAM_CONTENT_5      (GADGET_ID_DRAWING_AREA_FIRST + 6)
 515 #define GADGET_ID_YAMYAM_CONTENT_6      (GADGET_ID_DRAWING_AREA_FIRST + 7)
 516 #define GADGET_ID_YAMYAM_CONTENT_7      (GADGET_ID_DRAWING_AREA_FIRST + 8)
 517 #define GADGET_ID_MAGIC_BALL_CONTENT_0  (GADGET_ID_DRAWING_AREA_FIRST + 9)
 518 #define GADGET_ID_MAGIC_BALL_CONTENT_1  (GADGET_ID_DRAWING_AREA_FIRST + 10)
 519 #define GADGET_ID_MAGIC_BALL_CONTENT_2  (GADGET_ID_DRAWING_AREA_FIRST + 11)
 520 #define GADGET_ID_MAGIC_BALL_CONTENT_3  (GADGET_ID_DRAWING_AREA_FIRST + 12)
 521 #define GADGET_ID_MAGIC_BALL_CONTENT_4  (GADGET_ID_DRAWING_AREA_FIRST + 13)
 522 #define GADGET_ID_MAGIC_BALL_CONTENT_5  (GADGET_ID_DRAWING_AREA_FIRST + 14)
 523 #define GADGET_ID_MAGIC_BALL_CONTENT_6  (GADGET_ID_DRAWING_AREA_FIRST + 15)
 524 #define GADGET_ID_MAGIC_BALL_CONTENT_7  (GADGET_ID_DRAWING_AREA_FIRST + 16)
 525 #define GADGET_ID_ANDROID_CONTENT       (GADGET_ID_DRAWING_AREA_FIRST + 17)
 526 #define GADGET_ID_AMOEBA_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 18)
 527 #define GADGET_ID_START_ELEMENT         (GADGET_ID_DRAWING_AREA_FIRST + 19)
 528 #define GADGET_ID_ARTWORK_ELEMENT       (GADGET_ID_DRAWING_AREA_FIRST + 20)
 529 #define GADGET_ID_EXPLOSION_ELEMENT     (GADGET_ID_DRAWING_AREA_FIRST + 21)
 530 #define GADGET_ID_INVENTORY_CONTENT     (GADGET_ID_DRAWING_AREA_FIRST + 22)
 531 #define GADGET_ID_CUSTOM_GRAPHIC        (GADGET_ID_DRAWING_AREA_FIRST + 23)
 532 #define GADGET_ID_CUSTOM_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 24)
 533 #define GADGET_ID_CUSTOM_MOVE_ENTER     (GADGET_ID_DRAWING_AREA_FIRST + 25)
 534 #define GADGET_ID_CUSTOM_MOVE_LEAVE     (GADGET_ID_DRAWING_AREA_FIRST + 26)
 535 #define GADGET_ID_CUSTOM_CHANGE_TARGET  (GADGET_ID_DRAWING_AREA_FIRST + 27)
 536 #define GADGET_ID_CUSTOM_CHANGE_CONTENT (GADGET_ID_DRAWING_AREA_FIRST + 28)
 537 #define GADGET_ID_CUSTOM_CHANGE_TRIGGER (GADGET_ID_DRAWING_AREA_FIRST + 29)
 538 #define GADGET_ID_CUSTOM_CHANGE_ACTION  (GADGET_ID_DRAWING_AREA_FIRST + 30)
 539 #define GADGET_ID_GROUP_CONTENT         (GADGET_ID_DRAWING_AREA_FIRST + 31)
 540 #define GADGET_ID_RANDOM_BACKGROUND     (GADGET_ID_DRAWING_AREA_FIRST + 32)
 541
 542 /* text input identifiers */
 543 #define GADGET_ID_TEXT_INPUT_FIRST      (GADGET_ID_DRAWING_AREA_FIRST + 33)
 544
 545 #define GADGET_ID_LEVEL_NAME            (GADGET_ID_TEXT_INPUT_FIRST + 0)
 546 #define GADGET_ID_LEVEL_AUTHOR          (GADGET_ID_TEXT_INPUT_FIRST + 1)
 547 #define GADGET_ID_ELEMENT_NAME          (GADGET_ID_TEXT_INPUT_FIRST + 2)
 548
 549 /* text area identifiers */
 550 #define GADGET_ID_TEXT_AREA_FIRST       (GADGET_ID_TEXT_INPUT_FIRST + 3)
 551
 552 #define GADGET_ID_ENVELOPE_INFO         (GADGET_ID_TEXT_AREA_FIRST + 0)
 553
 554 /* selectbox identifiers */
 555 #define GADGET_ID_SELECTBOX_FIRST       (GADGET_ID_TEXT_AREA_FIRST + 1)
 556
 557 #define GADGET_ID_TIME_OR_STEPS         (GADGET_ID_SELECTBOX_FIRST + 0)
 558 #define GADGET_ID_GAME_ENGINE_TYPE      (GADGET_ID_SELECTBOX_FIRST + 1)
 559 #define GADGET_ID_WIND_DIRECTION        (GADGET_ID_SELECTBOX_FIRST + 2)
 560 #define GADGET_ID_PLAYER_SPEED          (GADGET_ID_SELECTBOX_FIRST + 3)
 561 #define GADGET_ID_CUSTOM_WALK_TO_ACTION (GADGET_ID_SELECTBOX_FIRST + 4)
 562 #define GADGET_ID_CUSTOM_EXPLOSION_TYPE (GADGET_ID_SELECTBOX_FIRST + 5)
 563 #define GADGET_ID_CUSTOM_DEADLINESS     (GADGET_ID_SELECTBOX_FIRST + 6)
 564 #define GADGET_ID_CUSTOM_MOVE_PATTERN   (GADGET_ID_SELECTBOX_FIRST + 7)
 565 #define GADGET_ID_CUSTOM_MOVE_DIRECTION (GADGET_ID_SELECTBOX_FIRST + 8)
 566 #define GADGET_ID_CUSTOM_MOVE_STEPSIZE  (GADGET_ID_SELECTBOX_FIRST + 9)
 567 #define GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE (GADGET_ID_SELECTBOX_FIRST + 10)
 568 #define GADGET_ID_CUSTOM_SMASH_TARGETS  (GADGET_ID_SELECTBOX_FIRST + 11)
 569 #define GADGET_ID_CUSTOM_SLIPPERY_TYPE  (GADGET_ID_SELECTBOX_FIRST + 12)
 570 #define GADGET_ID_CUSTOM_ACCESS_TYPE    (GADGET_ID_SELECTBOX_FIRST + 13)
 571 #define GADGET_ID_CUSTOM_ACCESS_LAYER   (GADGET_ID_SELECTBOX_FIRST + 14)
 572 #define GADGET_ID_CUSTOM_ACCESS_PROTECTED (GADGET_ID_SELECTBOX_FIRST + 15)
 573 #define GADGET_ID_CUSTOM_ACCESS_DIRECTION (GADGET_ID_SELECTBOX_FIRST + 16)
 574 #define GADGET_ID_CHANGE_TIME_UNITS     (GADGET_ID_SELECTBOX_FIRST + 17)
 575 #define GADGET_ID_CHANGE_DIRECT_ACTION  (GADGET_ID_SELECTBOX_FIRST + 18)
 576 #define GADGET_ID_CHANGE_OTHER_ACTION   (GADGET_ID_SELECTBOX_FIRST + 19)
 577 #define GADGET_ID_CHANGE_SIDE           (GADGET_ID_SELECTBOX_FIRST + 20)
 578 #define GADGET_ID_CHANGE_PLAYER         (GADGET_ID_SELECTBOX_FIRST + 21)
 579 #define GADGET_ID_CHANGE_PAGE           (GADGET_ID_SELECTBOX_FIRST + 22)
 580 #define GADGET_ID_CHANGE_REPLACE_WHEN   (GADGET_ID_SELECTBOX_FIRST + 23)
 581 #define GADGET_ID_ACTION_TYPE           (GADGET_ID_SELECTBOX_FIRST + 24)
 582 #define GADGET_ID_ACTION_MODE           (GADGET_ID_SELECTBOX_FIRST + 25)
 583 #define GADGET_ID_ACTION_ARG            (GADGET_ID_SELECTBOX_FIRST + 26)
 584 #define GADGET_ID_SELECT_CHANGE_PAGE    (GADGET_ID_SELECTBOX_FIRST + 27)
 585 #define GADGET_ID_GROUP_CHOICE_MODE     (GADGET_ID_SELECTBOX_FIRST + 28)
 586
 587 /* textbutton identifiers */
 588 #define GADGET_ID_TEXTBUTTON_FIRST      (GADGET_ID_SELECTBOX_FIRST + 29)
 589
 590 #define GADGET_ID_LEVELINFO_LEVEL       (GADGET_ID_TEXTBUTTON_FIRST + 0)
 591 #define GADGET_ID_LEVELINFO_EDITOR      (GADGET_ID_TEXTBUTTON_FIRST + 1)
 592 #define GADGET_ID_PROPERTIES_INFO       (GADGET_ID_TEXTBUTTON_FIRST + 2)
 593 #define GADGET_ID_PROPERTIES_CONFIG     (GADGET_ID_TEXTBUTTON_FIRST + 3)
 594 #define GADGET_ID_PROPERTIES_CONFIG_1   (GADGET_ID_TEXTBUTTON_FIRST + 4)
 595 #define GADGET_ID_PROPERTIES_CONFIG_2   (GADGET_ID_TEXTBUTTON_FIRST + 5)
 596 #define GADGET_ID_PROPERTIES_CHANGE     (GADGET_ID_TEXTBUTTON_FIRST + 6)
 597 #define GADGET_ID_SAVE_AS_TEMPLATE_1    (GADGET_ID_TEXTBUTTON_FIRST + 7)
 598 #define GADGET_ID_SAVE_AS_TEMPLATE_2    (GADGET_ID_TEXTBUTTON_FIRST + 8)
 599 #define GADGET_ID_ADD_CHANGE_PAGE       (GADGET_ID_TEXTBUTTON_FIRST + 9)
 600 #define GADGET_ID_DEL_CHANGE_PAGE       (GADGET_ID_TEXTBUTTON_FIRST + 10)
 601
 602 /* graphicbutton identifiers */
 603 #define GADGET_ID_GRAPHICBUTTON_FIRST   (GADGET_ID_TEXTBUTTON_FIRST + 11)
 604
 605 #define GADGET_ID_PREV_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 0)
 606 #define GADGET_ID_NEXT_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 1)
 607 #define GADGET_ID_COPY_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 2)
 608 #define GADGET_ID_PASTE_CHANGE_PAGE     (GADGET_ID_GRAPHICBUTTON_FIRST + 3)
 609
 610 /* gadgets for scrolling of drawing area */
 611 #define GADGET_ID_SCROLLING_FIRST       (GADGET_ID_GRAPHICBUTTON_FIRST + 4)
 612
 613 #define GADGET_ID_SCROLL_UP             (GADGET_ID_SCROLLING_FIRST + 0)
 614 #define GADGET_ID_SCROLL_DOWN           (GADGET_ID_SCROLLING_FIRST + 1)
 615 #define GADGET_ID_SCROLL_LEFT           (GADGET_ID_SCROLLING_FIRST + 2)
 616 #define GADGET_ID_SCROLL_RIGHT          (GADGET_ID_SCROLLING_FIRST + 3)
 617 #define GADGET_ID_SCROLL_HORIZONTAL     (GADGET_ID_SCROLLING_FIRST + 4)
 618 #define GADGET_ID_SCROLL_VERTICAL       (GADGET_ID_SCROLLING_FIRST + 5)
 619
 620 /* gadgets for scrolling element list */
 621 #define GADGET_ID_SCROLLING_LIST_FIRST  (GADGET_ID_SCROLLING_FIRST + 6)
 622
 623 #define GADGET_ID_SCROLL_LIST_UP        (GADGET_ID_SCROLLING_LIST_FIRST + 0)
 624 #define GADGET_ID_SCROLL_LIST_DOWN      (GADGET_ID_SCROLLING_LIST_FIRST + 1)
 625 #define GADGET_ID_SCROLL_LIST_VERTICAL  (GADGET_ID_SCROLLING_LIST_FIRST + 2)
 626
 627 /* checkbuttons/radiobuttons for level/element properties */
 628 #define GADGET_ID_CHECKBUTTON_FIRST     (GADGET_ID_SCROLLING_LIST_FIRST + 3)
 629
 630 #define GADGET_ID_AUTO_COUNT_GEMS       (GADGET_ID_CHECKBUTTON_FIRST + 0)
 631 #define GADGET_ID_RANDOM_PERCENTAGE     (GADGET_ID_CHECKBUTTON_FIRST + 1)
 632 #define GADGET_ID_RANDOM_QUANTITY       (GADGET_ID_CHECKBUTTON_FIRST + 2)
 633 #define GADGET_ID_RANDOM_RESTRICTED     (GADGET_ID_CHECKBUTTON_FIRST + 3)
 634 #define GADGET_ID_STICK_ELEMENT         (GADGET_ID_CHECKBUTTON_FIRST + 4)
 635 #define GADGET_ID_EM_SLIPPERY_GEMS      (GADGET_ID_CHECKBUTTON_FIRST + 5)
 636 #define GADGET_ID_EM_EXPLODES_BY_FIRE   (GADGET_ID_CHECKBUTTON_FIRST + 6)
 637 #define GADGET_ID_USE_SPRING_BUG        (GADGET_ID_CHECKBUTTON_FIRST + 7)
 638 #define GADGET_ID_USE_TIME_ORB_BUG      (GADGET_ID_CHECKBUTTON_FIRST + 8)
 639 #define GADGET_ID_RANDOM_BALL_CONTENT   (GADGET_ID_CHECKBUTTON_FIRST + 9)
 640 #define GADGET_ID_INITIAL_BALL_STATE    (GADGET_ID_CHECKBUTTON_FIRST + 10)
 641 #define GADGET_ID_GROW_INTO_DIGGABLE    (GADGET_ID_CHECKBUTTON_FIRST + 11)
 642 #define GADGET_ID_AUTO_EXIT_SOKOBAN     (GADGET_ID_CHECKBUTTON_FIRST + 12)
 643 #define GADGET_ID_CONTINUOUS_SNAPPING   (GADGET_ID_CHECKBUTTON_FIRST + 13)
 644 #define GADGET_ID_BLOCK_SNAP_FIELD      (GADGET_ID_CHECKBUTTON_FIRST + 14)
 645 #define GADGET_ID_BLOCK_LAST_FIELD      (GADGET_ID_CHECKBUTTON_FIRST + 15)
 646 #define GADGET_ID_SP_BLOCK_LAST_FIELD   (GADGET_ID_CHECKBUTTON_FIRST + 16)
 647 #define GADGET_ID_INSTANT_RELOCATION    (GADGET_ID_CHECKBUTTON_FIRST + 17)
 648 #define GADGET_ID_SHIFTED_RELOCATION    (GADGET_ID_CHECKBUTTON_FIRST + 18)
 649 #define GADGET_ID_LAZY_RELOCATION       (GADGET_ID_CHECKBUTTON_FIRST + 19)
 650 #define GADGET_ID_USE_START_ELEMENT     (GADGET_ID_CHECKBUTTON_FIRST + 20)
 651 #define GADGET_ID_USE_ARTWORK_ELEMENT   (GADGET_ID_CHECKBUTTON_FIRST + 21)
 652 #define GADGET_ID_USE_EXPLOSION_ELEMENT (GADGET_ID_CHECKBUTTON_FIRST + 22)
 653 #define GADGET_ID_INITIAL_GRAVITY       (GADGET_ID_CHECKBUTTON_FIRST + 23)
 654 #define GADGET_ID_USE_INITIAL_INVENTORY (GADGET_ID_CHECKBUTTON_FIRST + 24)
 655 #define GADGET_ID_CAN_PASS_TO_WALKABLE  (GADGET_ID_CHECKBUTTON_FIRST + 25)
 656 #define GADGET_ID_CAN_FALL_INTO_ACID    (GADGET_ID_CHECKBUTTON_FIRST + 26)
 657 #define GADGET_ID_CAN_MOVE_INTO_ACID    (GADGET_ID_CHECKBUTTON_FIRST + 27)
 658 #define GADGET_ID_DONT_COLLIDE_WITH     (GADGET_ID_CHECKBUTTON_FIRST + 28)
 659 #define GADGET_ID_ENVELOPE_AUTOWRAP     (GADGET_ID_CHECKBUTTON_FIRST + 29)
 660 #define GADGET_ID_ENVELOPE_CENTERED     (GADGET_ID_CHECKBUTTON_FIRST + 30)
 661 #define GADGET_ID_MM_LASER_RED          (GADGET_ID_CHECKBUTTON_FIRST + 31)
 662 #define GADGET_ID_MM_LASER_GREEN        (GADGET_ID_CHECKBUTTON_FIRST + 32)
 663 #define GADGET_ID_MM_LASER_BLUE         (GADGET_ID_CHECKBUTTON_FIRST + 33)
 664 #define GADGET_ID_DF_LASER_RED          (GADGET_ID_CHECKBUTTON_FIRST + 34)
 665 #define GADGET_ID_DF_LASER_GREEN        (GADGET_ID_CHECKBUTTON_FIRST + 35)
 666 #define GADGET_ID_DF_LASER_BLUE         (GADGET_ID_CHECKBUTTON_FIRST + 36)
 667 #define GADGET_ID_CUSTOM_INDESTRUCTIBLE (GADGET_ID_CHECKBUTTON_FIRST + 37)
 668 #define GADGET_ID_CUSTOM_CAN_EXPLODE    (GADGET_ID_CHECKBUTTON_FIRST + 38)
 669 #define GADGET_ID_CUSTOM_EXPLODE_FIRE   (GADGET_ID_CHECKBUTTON_FIRST + 39)
 670 #define GADGET_ID_CUSTOM_EXPLODE_SMASH  (GADGET_ID_CHECKBUTTON_FIRST + 40)
 671 #define GADGET_ID_CUSTOM_EXPLODE_IMPACT (GADGET_ID_CHECKBUTTON_FIRST + 41)
 672 #define GADGET_ID_CUSTOM_WALK_TO_OBJECT (GADGET_ID_CHECKBUTTON_FIRST + 42)
 673 #define GADGET_ID_CUSTOM_DEADLY         (GADGET_ID_CHECKBUTTON_FIRST + 43)
 674 #define GADGET_ID_CUSTOM_CAN_MOVE       (GADGET_ID_CHECKBUTTON_FIRST + 44)
 675 #define GADGET_ID_CUSTOM_CAN_FALL       (GADGET_ID_CHECKBUTTON_FIRST + 45)
 676 #define GADGET_ID_CUSTOM_CAN_SMASH      (GADGET_ID_CHECKBUTTON_FIRST + 46)
 677 #define GADGET_ID_CUSTOM_SLIPPERY       (GADGET_ID_CHECKBUTTON_FIRST + 47)
 678 #define GADGET_ID_CUSTOM_ACCESSIBLE     (GADGET_ID_CHECKBUTTON_FIRST + 48)
 679 #define GADGET_ID_CUSTOM_GRAV_REACHABLE (GADGET_ID_CHECKBUTTON_FIRST + 49)
 680 #define GADGET_ID_CUSTOM_USE_LAST_VALUE (GADGET_ID_CHECKBUTTON_FIRST + 50)
 681 #define GADGET_ID_CUSTOM_USE_GRAPHIC    (GADGET_ID_CHECKBUTTON_FIRST + 51)
 682 #define GADGET_ID_CUSTOM_USE_TEMPLATE_1 (GADGET_ID_CHECKBUTTON_FIRST + 52)
 683 #define GADGET_ID_CUSTOM_USE_TEMPLATE_2 (GADGET_ID_CHECKBUTTON_FIRST + 53)
 684 #define GADGET_ID_CUSTOM_USE_TEMPLATE_3 (GADGET_ID_CHECKBUTTON_FIRST + 54)
 685 #define GADGET_ID_CUSTOM_CAN_CHANGE     (GADGET_ID_CHECKBUTTON_FIRST + 55)
 686 #define GADGET_ID_CHANGE_USE_CONTENT    (GADGET_ID_CHECKBUTTON_FIRST + 56)
 687 #define GADGET_ID_CHANGE_USE_EXPLOSION  (GADGET_ID_CHECKBUTTON_FIRST + 57)
 688 #define GADGET_ID_CHANGE_ONLY_COMPLETE  (GADGET_ID_CHECKBUTTON_FIRST + 58)
 689 #define GADGET_ID_CHANGE_USE_RANDOM     (GADGET_ID_CHECKBUTTON_FIRST + 59)
 690 #define GADGET_ID_CHANGE_HAS_ACTION     (GADGET_ID_CHECKBUTTON_FIRST + 60)
 691 #define GADGET_ID_CHANGE_DELAY          (GADGET_ID_CHECKBUTTON_FIRST + 61)
 692 #define GADGET_ID_CHANGE_BY_DIRECT_ACT  (GADGET_ID_CHECKBUTTON_FIRST + 62)
 693 #define GADGET_ID_CHANGE_BY_OTHER_ACT   (GADGET_ID_CHECKBUTTON_FIRST + 63)
 694
 695 /* gadgets for buttons in element list */
 696 #define GADGET_ID_ELEMENTLIST_FIRST     (GADGET_ID_CHECKBUTTON_FIRST + 64)
 697 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 698                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 699
 700 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 701
 702 /* radio button numbers */
 703 #define RADIO_NR_NONE                   0
 704 #define RADIO_NR_DRAWING_TOOLBOX        1
 705 #define RADIO_NR_RANDOM_ELEMENTS        2
 706
 707 /* values for counter gadgets */
 708 #define ED_COUNTER_ID_SELECT_LEVEL      0
 709 #define ED_COUNTER_ID_LEVEL_XSIZE       1
 710 #define ED_COUNTER_ID_LEVEL_YSIZE       2
 711 #define ED_COUNTER_ID_LEVEL_GEMSLIMIT   3
 712 #define ED_COUNTER_ID_LEVEL_TIMELIMIT   4
 713 #define ED_COUNTER_ID_LEVEL_TIMESCORE   5
 714 #define ED_COUNTER_ID_LEVEL_RANDOM_SEED 6
 715 #define ED_COUNTER_ID_LEVEL_RANDOM      7
 716 #define ED_COUNTER_ID_ELEMENT_VALUE1    8
 717 #define ED_COUNTER_ID_ELEMENT_VALUE2    9
 718 #define ED_COUNTER_ID_ELEMENT_VALUE3    10
 719 #define ED_COUNTER_ID_ELEMENT_VALUE4    11
 720 #define ED_COUNTER_ID_YAMYAM_CONTENT    12
 721 #define ED_COUNTER_ID_BALL_CONTENT      13
 722 #define ED_COUNTER_ID_ANDROID_CONTENT   14
 723 #define ED_COUNTER_ID_ENVELOPE_XSIZE    15
 724 #define ED_COUNTER_ID_ENVELOPE_YSIZE    16
 725 #define ED_COUNTER_ID_INVENTORY_SIZE    17
 726 #define ED_COUNTER_ID_CUSTOM_SCORE      18
 727 #define ED_COUNTER_ID_CUSTOM_GEMCOUNT   19
 728 #define ED_COUNTER_ID_CUSTOM_VALUE_FIX  20
 729 #define ED_COUNTER_ID_CUSTOM_VALUE_RND  21
 730 #define ED_COUNTER_ID_PUSH_DELAY_FIX    22
 731 #define ED_COUNTER_ID_PUSH_DELAY_RND    23
 732 #define ED_COUNTER_ID_DROP_DELAY_FIX    24
 733 #define ED_COUNTER_ID_DROP_DELAY_RND    25
 734 #define ED_COUNTER_ID_MOVE_DELAY_FIX    26
 735 #define ED_COUNTER_ID_MOVE_DELAY_RND    27
 736 #define ED_COUNTER_ID_EXPLOSION_DELAY   28
 737 #define ED_COUNTER_ID_IGNITION_DELAY    29
 738 #define ED_COUNTER_ID_GROUP_CONTENT     30
 739 #define ED_COUNTER_ID_CHANGE_DELAY_FIX  31
 740 #define ED_COUNTER_ID_CHANGE_DELAY_RND  32
 741 #define ED_COUNTER_ID_CHANGE_CONT_RND   33
 742
 743 #define ED_NUM_COUNTERBUTTONS           34
 744
 745 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 746 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM_SEED
 747 #define ED_COUNTER_ID_EDITOR_FIRST      ED_COUNTER_ID_LEVEL_RANDOM
 748 #define ED_COUNTER_ID_EDITOR_LAST       ED_COUNTER_ID_LEVEL_RANDOM
 749
 750 #define ED_COUNTER_ID_CUSTOM1_FIRST     ED_COUNTER_ID_CUSTOM_SCORE
 751 #define ED_COUNTER_ID_CUSTOM1_LAST      ED_COUNTER_ID_DROP_DELAY_RND
 752 #define ED_COUNTER_ID_CUSTOM2_FIRST     ED_COUNTER_ID_MOVE_DELAY_FIX
 753 #define ED_COUNTER_ID_CUSTOM2_LAST      ED_COUNTER_ID_IGNITION_DELAY
 754 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM1_FIRST
 755 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_CUSTOM2_LAST
 756
 757 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 758 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 759
 760 /* values for scrollbutton gadgets */
 761 #define ED_SCROLLBUTTON_ID_AREA_UP      0
 762 #define ED_SCROLLBUTTON_ID_AREA_DOWN    1
 763 #define ED_SCROLLBUTTON_ID_AREA_LEFT    2
 764 #define ED_SCROLLBUTTON_ID_AREA_RIGHT   3
 765 #define ED_SCROLLBUTTON_ID_LIST_UP      4
 766 #define ED_SCROLLBUTTON_ID_LIST_DOWN    5
 767
 768 #define ED_NUM_SCROLLBUTTONS            6
 769
 770 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 771 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 772
 773 /* values for scrollbar gadgets */
 774 #define ED_SCROLLBAR_ID_AREA_HORIZONTAL 0
 775 #define ED_SCROLLBAR_ID_AREA_VERTICAL   1
 776 #define ED_SCROLLBAR_ID_LIST_VERTICAL   2
 777
 778 #define ED_NUM_SCROLLBARS               3
 779
 780 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 781 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 782
 783 /* values for text input gadgets */
 784 #define ED_TEXTINPUT_ID_LEVEL_NAME      0
 785 #define ED_TEXTINPUT_ID_LEVEL_AUTHOR    1
 786 #define ED_TEXTINPUT_ID_ELEMENT_NAME    2
 787
 788 #define ED_NUM_TEXTINPUT                3
 789
 790 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 791 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 792
 793 /* values for text area gadgets */
 794 #define ED_TEXTAREA_ID_ENVELOPE_INFO    0
 795
 796 #define ED_NUM_TEXTAREAS                        1
 797
 798 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
 799 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
 800
 801 /* values for selectbox gadgets */
 802 #define ED_SELECTBOX_ID_TIME_OR_STEPS           0
 803 #define ED_SELECTBOX_ID_GAME_ENGINE_TYPE        1
 804 #define ED_SELECTBOX_ID_WIND_DIRECTION          2
 805 #define ED_SELECTBOX_ID_PLAYER_SPEED            3
 806 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE      4
 807 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER     5
 808 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED 6
 809 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION 7
 810 #define ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION   8
 811 #define ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN     9
 812 #define ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION   10
 813 #define ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE    11
 814 #define ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE  12
 815 #define ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS    13
 816 #define ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE    14
 817 #define ED_SELECTBOX_ID_CUSTOM_DEADLINESS       15
 818 #define ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE   16
 819 #define ED_SELECTBOX_ID_CHANGE_TIME_UNITS       17
 820 #define ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION    18
 821 #define ED_SELECTBOX_ID_CHANGE_OTHER_ACTION     19
 822 #define ED_SELECTBOX_ID_CHANGE_SIDE             20
 823 #define ED_SELECTBOX_ID_CHANGE_PLAYER           21
 824 #define ED_SELECTBOX_ID_CHANGE_PAGE             22
 825 #define ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN     23
 826 #define ED_SELECTBOX_ID_ACTION_TYPE             24
 827 #define ED_SELECTBOX_ID_ACTION_MODE             25
 828 #define ED_SELECTBOX_ID_ACTION_ARG              26
 829 #define ED_SELECTBOX_ID_SELECT_CHANGE_PAGE      27
 830 #define ED_SELECTBOX_ID_GROUP_CHOICE_MODE       28
 831
 832 #define ED_NUM_SELECTBOX                        29
 833
 834 #define ED_SELECTBOX_ID_LEVEL_FIRST     ED_SELECTBOX_ID_TIME_OR_STEPS
 835 #define ED_SELECTBOX_ID_LEVEL_LAST      ED_SELECTBOX_ID_GAME_ENGINE_TYPE
 836
 837 #define ED_SELECTBOX_ID_CUSTOM1_FIRST   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
 838 #define ED_SELECTBOX_ID_CUSTOM1_LAST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
 839 #define ED_SELECTBOX_ID_CUSTOM2_FIRST   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN
 840 #define ED_SELECTBOX_ID_CUSTOM2_LAST    ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE
 841 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM1_FIRST
 842 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM2_LAST
 843
 844 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 845 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
 846
 847 /* values for textbutton gadgets */
 848 #define ED_TEXTBUTTON_ID_LEVELINFO_LEVEL        0
 849 #define ED_TEXTBUTTON_ID_LEVELINFO_EDITOR       1
 850 #define ED_TEXTBUTTON_ID_PROPERTIES_INFO        2
 851 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG      3
 852 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1    4
 853 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2    5
 854 #define ED_TEXTBUTTON_ID_PROPERTIES_CHANGE      6
 855 #define ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2     7
 856 #define ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1     8
 857 #define ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE        9
 858 #define ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE        10
 859
 860 #define ED_NUM_TEXTBUTTONS                      11
 861
 862 #define ED_TAB_BUTTON_ID_LEVELINFO_FIRST ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
 863 #define ED_TAB_BUTTON_ID_LEVELINFO_LAST  ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
 864
 865 #define ED_TAB_BUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
 866 #define ED_TAB_BUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
 867
 868 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE
 869 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
 870
 871 /* values for graphicbutton gadgets */
 872 #define ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE    0
 873 #define ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE    1
 874 #define ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE    2
 875 #define ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE   3
 876
 877 #define ED_NUM_GRAPHICBUTTONS                   4
 878
 879 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST  ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
 880 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE
 881
 882 /* values for checkbutton gadgets */
 883 #define ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS       0
 884 #define ED_CHECKBUTTON_ID_RANDOM_RESTRICTED     1
 885 #define ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3 2
 886 #define ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2 3
 887 #define ED_CHECKBUTTON_ID_STICK_ELEMENT         4
 888 #define ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS      5
 889 #define ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE   6
 890 #define ED_CHECKBUTTON_ID_USE_SPRING_BUG        7
 891 #define ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG      8
 892 #define ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT   9
 893 #define ED_CHECKBUTTON_ID_INITIAL_BALL_STATE    10
 894 #define ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE    11
 895 #define ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN     12
 896 #define ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING   13
 897 #define ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD      14
 898 #define ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD      15
 899 #define ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD   16
 900 #define ED_CHECKBUTTON_ID_INSTANT_RELOCATION    17
 901 #define ED_CHECKBUTTON_ID_SHIFTED_RELOCATION    18
 902 #define ED_CHECKBUTTON_ID_LAZY_RELOCATION       19
 903 #define ED_CHECKBUTTON_ID_USE_START_ELEMENT     20
 904 #define ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT   21
 905 #define ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT 22
 906 #define ED_CHECKBUTTON_ID_INITIAL_GRAVITY       23
 907 #define ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY 24
 908 #define ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE  25
 909 #define ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID    26
 910 #define ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID    27
 911 #define ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH     28
 912 #define ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP     29
 913 #define ED_CHECKBUTTON_ID_ENVELOPE_CENTERED     30
 914 #define ED_CHECKBUTTON_ID_MM_LASER_RED          31
 915 #define ED_CHECKBUTTON_ID_MM_LASER_GREEN        32
 916 #define ED_CHECKBUTTON_ID_MM_LASER_BLUE         33
 917 #define ED_CHECKBUTTON_ID_DF_LASER_RED          34
 918 #define ED_CHECKBUTTON_ID_DF_LASER_GREEN        35
 919 #define ED_CHECKBUTTON_ID_DF_LASER_BLUE         36
 920 #define ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC    37
 921 #define ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1 38
 922 #define ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE     39
 923 #define ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE 40
 924 #define ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE 41
 925 #define ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT 42
 926 #define ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE 43
 927 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE       44
 928 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL       45
 929 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH      46
 930 #define ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY       47
 931 #define ED_CHECKBUTTON_ID_CUSTOM_DEADLY         48
 932 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE    49
 933 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE   50
 934 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH  51
 935 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT 52
 936 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE     53
 937 #define ED_CHECKBUTTON_ID_CHANGE_DELAY          54
 938 #define ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT  55
 939 #define ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT   56
 940 #define ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION  57
 941 #define ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT    58
 942 #define ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE  59
 943 #define ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM     60
 944 #define ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION     61
 945
 946 #define ED_NUM_CHECKBUTTONS                     62
 947
 948 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS
 949 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS
 950
 951 #define ED_CHECKBUTTON_ID_EDITOR_FIRST  ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
 952 #define ED_CHECKBUTTON_ID_EDITOR_LAST   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2
 953
 954 #define ED_CHECKBUTTON_ID_CUSTOM1_FIRST ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
 955 #define ED_CHECKBUTTON_ID_CUSTOM1_LAST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
 956 #define ED_CHECKBUTTON_ID_CUSTOM2_FIRST ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE
 957 #define ED_CHECKBUTTON_ID_CUSTOM2_LAST  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
 958 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM1_FIRST
 959 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM2_LAST
 960
 961 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE
 962 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION
 963
 964 /* values for radiobutton gadgets */
 965 #define ED_RADIOBUTTON_ID_PERCENTAGE    0
 966 #define ED_RADIOBUTTON_ID_QUANTITY      1
 967
 968 #define ED_NUM_RADIOBUTTONS             2
 969
 970 #define ED_RADIOBUTTON_ID_EDITOR_FIRST  ED_RADIOBUTTON_ID_PERCENTAGE
 971 #define ED_RADIOBUTTON_ID_EDITOR_LAST   ED_RADIOBUTTON_ID_QUANTITY
 972
 973 /* values for drawing area gadgets */
 974 #define ED_DRAWING_ID_DRAWING_LEVEL             0
 975 #define ED_DRAWING_ID_YAMYAM_CONTENT_0          1
 976 #define ED_DRAWING_ID_YAMYAM_CONTENT_1          2
 977 #define ED_DRAWING_ID_YAMYAM_CONTENT_2          3
 978 #define ED_DRAWING_ID_YAMYAM_CONTENT_3          4
 979 #define ED_DRAWING_ID_YAMYAM_CONTENT_4          5
 980 #define ED_DRAWING_ID_YAMYAM_CONTENT_5          6
 981 #define ED_DRAWING_ID_YAMYAM_CONTENT_6          7
 982 #define ED_DRAWING_ID_YAMYAM_CONTENT_7          8
 983 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_0      9
 984 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_1      10
 985 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_2      11
 986 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_3      12
 987 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_4      13
 988 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_5      14
 989 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_6      15
 990 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_7      16
 991 #define ED_DRAWING_ID_ANDROID_CONTENT           17
 992 #define ED_DRAWING_ID_AMOEBA_CONTENT            18
 993 #define ED_DRAWING_ID_START_ELEMENT             19
 994 #define ED_DRAWING_ID_ARTWORK_ELEMENT           20
 995 #define ED_DRAWING_ID_EXPLOSION_ELEMENT         21
 996 #define ED_DRAWING_ID_INVENTORY_CONTENT         22
 997 #define ED_DRAWING_ID_CUSTOM_GRAPHIC            23
 998 #define ED_DRAWING_ID_CUSTOM_CONTENT            24
 999 #define ED_DRAWING_ID_CUSTOM_MOVE_ENTER         25
1000 #define ED_DRAWING_ID_CUSTOM_MOVE_LEAVE         26
1001 #define ED_DRAWING_ID_CUSTOM_CHANGE_TARGET      27
1002 #define ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT     28
1003 #define ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER     29
1004 #define ED_DRAWING_ID_CUSTOM_CHANGE_ACTION      30
1005 #define ED_DRAWING_ID_GROUP_CONTENT             31
1006 #define ED_DRAWING_ID_RANDOM_BACKGROUND         32
1007
1008 #define ED_NUM_DRAWING_AREAS                    33
1009
1010 #define ED_DRAWING_ID_EDITOR_FIRST      ED_DRAWING_ID_RANDOM_BACKGROUND
1011 #define ED_DRAWING_ID_EDITOR_LAST       ED_DRAWING_ID_RANDOM_BACKGROUND
1012
1013
1014 /*
1015   -----------------------------------------------------------------------------
1016   some internally used definitions
1017   -----------------------------------------------------------------------------
1018 */
1019
1020 /* values for CopyLevelToUndoBuffer() */
1021 #define UNDO_IMMEDIATE                  0
1022 #define UNDO_ACCUMULATE                 1
1023
1024 /* values for scrollbars */
1025 #define ED_SCROLL_NO                    0
1026 #define ED_SCROLL_LEFT                  1
1027 #define ED_SCROLL_RIGHT                 2
1028 #define ED_SCROLL_UP                    4
1029 #define ED_SCROLL_DOWN                  8
1030
1031 /* screens in the level editor */
1032 #define ED_MODE_DRAWING                 0
1033 #define ED_MODE_INFO                    1
1034 #define ED_MODE_PROPERTIES              2
1035 #define ED_MODE_PALETTE                 3
1036
1037 /* sub-screens in the global settings section */
1038 #define ED_MODE_LEVELINFO_LEVEL         ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
1039 #define ED_MODE_LEVELINFO_EDITOR        ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
1040
1041 /* sub-screens in the element properties section */
1042 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
1043 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
1044 #define ED_MODE_PROPERTIES_CONFIG_1     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1
1045 #define ED_MODE_PROPERTIES_CONFIG_2     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2
1046 #define ED_MODE_PROPERTIES_CHANGE       ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
1047
1048 /* how many steps can be cancelled */
1049 #define NUM_UNDO_STEPS                  (64 + 1)
1050
1051 /* values for elements with score for certain actions */
1052 #define MIN_SCORE                       0
1053 #define MAX_SCORE                       999
1054
1055 /* values for elements with count for collecting */
1056 #define MIN_COLLECT_COUNT               0
1057 #define MAX_COLLECT_COUNT               999
1058
1059 /* values for random placement */
1060 #define RANDOM_USE_PERCENTAGE           0
1061 #define RANDOM_USE_QUANTITY             1
1062
1063 /* default value for element tile size in drawing area */
1064 #define DEFAULT_EDITOR_TILESIZE         MINI_TILESIZE
1065
1066
1067 /*
1068   -----------------------------------------------------------------------------
1069   some internally used data structure definitions
1070   -----------------------------------------------------------------------------
1071 */
1072
1073 static struct
1074 {
1075   int graphic;
1076   int gadget_id;
1077   struct XYTileSize *pos;
1078   int gadget_type;
1079   char *infotext;
1080   char shortcut;
1081 } controlbutton_info[ED_NUM_CTRL_BUTTONS] =
1082 {
1083   /* note: some additional characters are already reserved for "cheat mode"
1084      shortcuts (":XYZ" style) -- for details, see "events.c" */
1085
1086   /* ---------- toolbox control buttons ------------------------------------ */
1087
1088   {
1089     IMG_GFX_EDITOR_BUTTON_DRAW_SINGLE,          GADGET_ID_SINGLE_ITEMS,
1090     &editor.button.draw_single,                 GD_TYPE_RADIO_BUTTON,
1091     "draw single items",                        's'
1092   },
1093   {
1094     IMG_GFX_EDITOR_BUTTON_DRAW_CONNECTED,       GADGET_ID_CONNECTED_ITEMS,
1095     &editor.button.draw_connected,              GD_TYPE_RADIO_BUTTON,
1096     "draw connected items",                     'd'
1097   },
1098   {
1099     IMG_GFX_EDITOR_BUTTON_DRAW_LINE,            GADGET_ID_LINE,
1100     &editor.button.draw_line,                   GD_TYPE_RADIO_BUTTON,
1101     "draw lines",                               'l'
1102   },
1103   {
1104     IMG_GFX_EDITOR_BUTTON_DRAW_ARC,             GADGET_ID_ARC,
1105     &editor.button.draw_arc,                    GD_TYPE_RADIO_BUTTON,
1106     "draw arcs",                                'a'
1107   },
1108   {
1109     IMG_GFX_EDITOR_BUTTON_DRAW_RECTANGLE,       GADGET_ID_RECTANGLE,
1110     &editor.button.draw_rectangle,              GD_TYPE_RADIO_BUTTON,
1111     "draw outline rectangles",                  'r'
1112   },
1113   {
1114     IMG_GFX_EDITOR_BUTTON_DRAW_FILLED_BOX,      GADGET_ID_FILLED_BOX,
1115     &editor.button.draw_filled_box,             GD_TYPE_RADIO_BUTTON,
1116     "draw filled rectangles",                   'R'
1117   },
1118   {
1119     IMG_GFX_EDITOR_BUTTON_ROTATE_UP,            GADGET_ID_WRAP_UP,
1120     &editor.button.rotate_up,                   GD_TYPE_NORMAL_BUTTON,
1121     "wrap (rotate) level up",                   0
1122   },
1123   {
1124     IMG_GFX_EDITOR_BUTTON_DRAW_TEXT,            GADGET_ID_TEXT,
1125     &editor.button.draw_text,                   GD_TYPE_RADIO_BUTTON,
1126     "enter text elements",                      't'
1127   },
1128   {
1129     IMG_GFX_EDITOR_BUTTON_FLOOD_FILL,           GADGET_ID_FLOOD_FILL,
1130     &editor.button.flood_fill,                  GD_TYPE_RADIO_BUTTON,
1131     "flood fill",                               'f'
1132   },
1133   {
1134     IMG_GFX_EDITOR_BUTTON_ROTATE_LEFT,          GADGET_ID_WRAP_LEFT,
1135     &editor.button.rotate_left,                 GD_TYPE_NORMAL_BUTTON,
1136     "wrap (rotate) level left",                 0
1137   },
1138   {
1139     IMG_GFX_EDITOR_BUTTON_ZOOM_LEVEL,           GADGET_ID_ZOOM,
1140     &editor.button.zoom_level,                  GD_TYPE_NORMAL_BUTTON,
1141     "zoom level tile size",                     '+'
1142   },
1143   {
1144     IMG_GFX_EDITOR_BUTTON_ROTATE_RIGHT,         GADGET_ID_WRAP_RIGHT,
1145     &editor.button.rotate_right,                GD_TYPE_NORMAL_BUTTON,
1146     "wrap (rotate) level right",                0
1147   },
1148   {
1149     IMG_GFX_EDITOR_BUTTON_DRAW_RANDOM,          GADGET_ID_RANDOM_PLACEMENT,
1150     &editor.button.draw_random,                 GD_TYPE_NORMAL_BUTTON,
1151     "random element placement",                 0
1152   },
1153   {
1154     IMG_GFX_EDITOR_BUTTON_GRAB_BRUSH,           GADGET_ID_GRAB_BRUSH,
1155     &editor.button.grab_brush,                  GD_TYPE_RADIO_BUTTON,
1156     "grab brush",                               'b'
1157   },
1158   {
1159     IMG_GFX_EDITOR_BUTTON_ROTATE_DOWN,          GADGET_ID_WRAP_DOWN,
1160     &editor.button.rotate_down,                 GD_TYPE_NORMAL_BUTTON,
1161     "wrap (rotate) level down",                 0
1162   },
1163   {
1164     IMG_GFX_EDITOR_BUTTON_PICK_ELEMENT,         GADGET_ID_PICK_ELEMENT,
1165     &editor.button.pick_element,                GD_TYPE_RADIO_BUTTON,
1166     "pick drawing element",                     ','
1167   },
1168
1169   /* ---------- level control buttons -------------------------------------- */
1170
1171   {
1172     IMG_GFX_EDITOR_BUTTON_UNDO,                 GADGET_ID_UNDO,
1173     &editor.button.undo,                        GD_TYPE_NORMAL_BUTTON,
1174     "undo/redo last operation",                 'u'
1175   },
1176   {
1177     IMG_GFX_EDITOR_BUTTON_CONF,                 GADGET_ID_INFO,
1178     &editor.button.conf,                        GD_TYPE_NORMAL_BUTTON,
1179     "properties of level",                      'I'
1180   },
1181   {
1182     IMG_GFX_EDITOR_BUTTON_SAVE,                 GADGET_ID_SAVE,
1183     &editor.button.save,                        GD_TYPE_NORMAL_BUTTON,
1184     "save level",                               'S'
1185   },
1186   {
1187     IMG_GFX_EDITOR_BUTTON_CLEAR,                GADGET_ID_CLEAR,
1188     &editor.button.clear,                       GD_TYPE_NORMAL_BUTTON,
1189     "clear level",                              'C'
1190   },
1191   {
1192     IMG_GFX_EDITOR_BUTTON_TEST,                 GADGET_ID_TEST,
1193     &editor.button.test,                        GD_TYPE_NORMAL_BUTTON,
1194     "test level",                               'T'
1195   },
1196   {
1197     IMG_GFX_EDITOR_BUTTON_EXIT,                 GADGET_ID_EXIT,
1198     &editor.button.exit,                        GD_TYPE_NORMAL_BUTTON,
1199     "exit level editor",                        'E'
1200   },
1201
1202   /* ---------- CE and GE control buttons ---------------------------------- */
1203
1204   {
1205     IMG_GFX_EDITOR_BUTTON_CE_COPY_FROM,         GADGET_ID_CUSTOM_COPY_FROM,
1206     &editor.button.ce_copy_from,                GD_TYPE_RADIO_BUTTON,
1207     "copy settings from other element",         0
1208   },
1209   {
1210     IMG_GFX_EDITOR_BUTTON_CE_COPY_TO,           GADGET_ID_CUSTOM_COPY_TO,
1211     &editor.button.ce_copy_to,                  GD_TYPE_RADIO_BUTTON,
1212     "copy settings to other element",           0
1213   },
1214   {
1215     IMG_GFX_EDITOR_BUTTON_CE_SWAP,              GADGET_ID_CUSTOM_EXCHANGE,
1216     &editor.button.ce_swap,                     GD_TYPE_RADIO_BUTTON,
1217     "exchange element with other element",      0
1218   },
1219   {
1220     IMG_GFX_EDITOR_BUTTON_CE_COPY,              GADGET_ID_CUSTOM_COPY,
1221     &editor.button.ce_copy,                     GD_TYPE_NORMAL_BUTTON,
1222     "copy settings from this element",          0
1223   },
1224   {
1225     IMG_GFX_EDITOR_BUTTON_CE_PASTE,             GADGET_ID_CUSTOM_PASTE,
1226     &editor.button.ce_paste,                    GD_TYPE_NORMAL_BUTTON,
1227     "paste settings to this element",           0
1228   },
1229
1230   /* ---------- palette control buttons ------------------------------------ */
1231
1232   {
1233     IMG_GFX_EDITOR_BUTTON_PROPERTIES,           GADGET_ID_PROPERTIES,
1234     &editor.button.properties,                  GD_TYPE_NORMAL_BUTTON,
1235     "properties of drawing element",            'p'
1236   },
1237   {
1238     IMG_GFX_EDITOR_BUTTON_ELEMENT_LEFT,         GADGET_ID_ELEMENT_LEFT,
1239     &editor.button.element_left,                GD_TYPE_NORMAL_BUTTON,
1240     "properties of drawing element 1",          '1'
1241   },
1242   {
1243     IMG_GFX_EDITOR_BUTTON_ELEMENT_MIDDLE,       GADGET_ID_ELEMENT_MIDDLE,
1244     &editor.button.element_middle,              GD_TYPE_NORMAL_BUTTON,
1245     "properties of drawing element 2",          '2'
1246   },
1247   {
1248     IMG_GFX_EDITOR_BUTTON_ELEMENT_RIGHT,        GADGET_ID_ELEMENT_RIGHT,
1249     &editor.button.element_right,               GD_TYPE_NORMAL_BUTTON,
1250     "properties of drawing element 3",          '3'
1251   },
1252   {
1253     IMG_GFX_EDITOR_BUTTON_PALETTE,              GADGET_ID_PALETTE,
1254     &editor.button.palette,                     GD_TYPE_NORMAL_BUTTON,
1255     "show list of elements",                    'e'
1256   }
1257 };
1258
1259 static int random_placement_value = 10;
1260 static int random_placement_method = RANDOM_USE_QUANTITY;
1261 static int random_placement_background_element = EL_SAND;
1262 static boolean random_placement_background_restricted = FALSE;
1263 static boolean stick_element_properties_window = FALSE;
1264 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
1265 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
1266 static struct ElementChangeInfo custom_element_change;
1267 static struct ElementGroupInfo group_element_info;
1268 static struct ElementInfo custom_element;
1269
1270 static struct
1271 {
1272   int x, y;
1273   int min_value, max_value;
1274   int gadget_id_down, gadget_id_up;
1275   int gadget_id_text;
1276   int gadget_id_align;
1277   int *value;
1278   char *text_above, *text_left, *text_right;
1279 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
1280 {
1281   /* ---------- current level number --------------------------------------- */
1282
1283   {
1284     -1, -1,     /* these values are not constant, but can change at runtime */
1285     1,                                  100,
1286     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
1287     GADGET_ID_SELECT_LEVEL_TEXT,        GADGET_ID_NONE,
1288     &level_nr,
1289     NULL,                               NULL, NULL
1290   },
1291
1292   /* ---------- level and editor settings ---------------------------------- */
1293
1294   {
1295     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1296     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
1297     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
1298     GADGET_ID_LEVEL_XSIZE_TEXT,         GADGET_ID_NONE,
1299     &level.fieldx,
1300     "playfield size:",                  NULL, "width",
1301   },
1302   {
1303     -1,                                 ED_LEVEL_SETTINGS_YPOS(4),
1304     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
1305     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
1306     GADGET_ID_LEVEL_YSIZE_TEXT,         GADGET_ID_LEVEL_XSIZE_UP,
1307     &level.fieldy,
1308     NULL,                               " ", "height",
1309   },
1310   {
1311     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
1312     0,                                  999,
1313     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
1314     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,     GADGET_ID_NONE,
1315     &level.gems_needed,
1316     NULL,                               "number of gems to collect:", NULL
1317   },
1318   {
1319     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
1320     0,                                  9999,
1321     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
1322     GADGET_ID_LEVEL_TIMELIMIT_TEXT,     GADGET_ID_NONE,
1323     &level.time,
1324     "time or step limit to solve level:", NULL, NULL
1325   },
1326   {
1327     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
1328     0,                                  999,
1329     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
1330     GADGET_ID_LEVEL_TIMESCORE_TEXT,     GADGET_ID_NONE,
1331     &level.score[SC_TIME_BONUS],
1332     "score for each second/step left:", NULL, NULL
1333   },
1334   {
1335     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(12),
1336     0,                                  9999,
1337     GADGET_ID_LEVEL_RANDOM_SEED_DOWN,   GADGET_ID_LEVEL_RANDOM_SEED_UP,
1338     GADGET_ID_LEVEL_RANDOM_SEED_TEXT,   GADGET_ID_NONE,
1339     &level.random_seed,
1340     NULL,                               "random seed:", "(0 => random)"
1341   },
1342   {
1343     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1344     1,                                  100,
1345     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
1346     GADGET_ID_LEVEL_RANDOM_TEXT,        GADGET_ID_NONE,
1347     &random_placement_value,
1348     "random element placement:",        NULL, "in"
1349   },
1350
1351   /* ---------- element settings: configure (various elements) ------------- */
1352
1353   {
1354     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1355     MIN_SCORE,                          MAX_SCORE,
1356     GADGET_ID_ELEMENT_VALUE1_DOWN,      GADGET_ID_ELEMENT_VALUE1_UP,
1357     GADGET_ID_ELEMENT_VALUE1_TEXT,      GADGET_ID_NONE,
1358     NULL,                               /* will be set when used */
1359     NULL,                               NULL, NULL
1360   },
1361   {
1362     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
1363     MIN_SCORE,                          MAX_SCORE,
1364     GADGET_ID_ELEMENT_VALUE2_DOWN,      GADGET_ID_ELEMENT_VALUE2_UP,
1365     GADGET_ID_ELEMENT_VALUE2_TEXT,      GADGET_ID_NONE,
1366     NULL,                               /* will be set when used */
1367     NULL,                               NULL, NULL
1368   },
1369   {
1370     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1371     MIN_SCORE,                          MAX_SCORE,
1372     GADGET_ID_ELEMENT_VALUE3_DOWN,      GADGET_ID_ELEMENT_VALUE3_UP,
1373     GADGET_ID_ELEMENT_VALUE3_TEXT,      GADGET_ID_NONE,
1374     NULL,                               /* will be set when used */
1375     NULL,                               NULL, NULL
1376   },
1377   {
1378     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1379     MIN_SCORE,                          MAX_SCORE,
1380     GADGET_ID_ELEMENT_VALUE4_DOWN,      GADGET_ID_ELEMENT_VALUE4_UP,
1381     GADGET_ID_ELEMENT_VALUE4_TEXT,      GADGET_ID_NONE,
1382     NULL,                               /* will be set when used */
1383     NULL,                               NULL, NULL
1384   },
1385   {
1386     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1387     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1388     GADGET_ID_YAMYAM_CONTENT_DOWN,      GADGET_ID_YAMYAM_CONTENT_UP,
1389     GADGET_ID_YAMYAM_CONTENT_TEXT,      GADGET_ID_NONE,
1390     &level.num_yamyam_contents,
1391     NULL,                               NULL, "number of content areas"
1392   },
1393   {
1394     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1395     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1396     GADGET_ID_BALL_CONTENT_DOWN,        GADGET_ID_BALL_CONTENT_UP,
1397     GADGET_ID_BALL_CONTENT_TEXT,        GADGET_ID_NONE,
1398     &level.num_ball_contents,
1399     NULL,                               NULL, "number of content areas"
1400   },
1401   {
1402     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1403     MIN_ANDROID_ELEMENTS,               MAX_ANDROID_ELEMENTS,
1404     GADGET_ID_ANDROID_CONTENT_DOWN,     GADGET_ID_ANDROID_CONTENT_UP,
1405     GADGET_ID_ANDROID_CONTENT_TEXT,     GADGET_ID_NONE,
1406     &level.num_android_clone_elements,
1407     NULL,                               NULL, "number of clonable elements"
1408   },
1409   {
1410     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1411     MIN_ENVELOPE_XSIZE,                 MAX_ENVELOPE_XSIZE,
1412     GADGET_ID_ENVELOPE_XSIZE_DOWN,      GADGET_ID_ENVELOPE_XSIZE_UP,
1413     GADGET_ID_ENVELOPE_XSIZE_TEXT,      GADGET_ID_NONE,
1414     NULL,                               /* will be set when used */
1415     NULL,                               NULL, "width",
1416   },
1417   {
1418     -1,                                 ED_ELEMENT_SETTINGS_YPOS(0),
1419     MIN_ENVELOPE_YSIZE,                 MAX_ENVELOPE_YSIZE,
1420     GADGET_ID_ENVELOPE_YSIZE_DOWN,      GADGET_ID_ENVELOPE_YSIZE_UP,
1421     GADGET_ID_ENVELOPE_YSIZE_TEXT,      GADGET_ID_ENVELOPE_XSIZE_UP,
1422     NULL,                               /* will be set when used */
1423     NULL,                               " ", "height",
1424   },
1425   {
1426     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1427     MIN_INITIAL_INVENTORY_SIZE,         MAX_INITIAL_INVENTORY_SIZE,
1428     GADGET_ID_INVENTORY_SIZE_DOWN,      GADGET_ID_INVENTORY_SIZE_UP,
1429     GADGET_ID_INVENTORY_SIZE_TEXT,      GADGET_ID_NONE,
1430     &level.initial_inventory_size[0],
1431     NULL,                               NULL, "number of inventory elements"
1432   },
1433
1434   /* ---------- element settings: configure 1 (custom elements) ------------ */
1435
1436   {
1437     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1438     MIN_SCORE,                          MAX_SCORE,
1439     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
1440     GADGET_ID_CUSTOM_SCORE_TEXT,        GADGET_ID_NONE,
1441     &custom_element.collect_score_initial,
1442     NULL,                               "CE score", " "
1443   },
1444   {
1445     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1446     MIN_COLLECT_COUNT,                  MAX_COLLECT_COUNT,
1447     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
1448     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,     GADGET_ID_CUSTOM_SCORE_UP,
1449     &custom_element.collect_count_initial,
1450     NULL,                               "CE count", NULL
1451   },
1452   {
1453     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1454     0,                                  9999,
1455     GADGET_ID_CUSTOM_VALUE_FIX_DOWN,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1456     GADGET_ID_CUSTOM_VALUE_FIX_TEXT,    GADGET_ID_NONE,
1457     &custom_element.ce_value_fixed_initial,
1458     NULL,                               "CE value", NULL
1459   },
1460   {
1461     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1462     0,                                  9999,
1463     GADGET_ID_CUSTOM_VALUE_RND_DOWN,    GADGET_ID_CUSTOM_VALUE_RND_UP,
1464     GADGET_ID_CUSTOM_VALUE_RND_TEXT,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1465     &custom_element.ce_value_random_initial,
1466     NULL,                               "+random", NULL
1467   },
1468   {
1469     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1470     0,                                  999,
1471     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
1472     GADGET_ID_PUSH_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1473     &custom_element.push_delay_fixed,
1474     NULL,                               "push delay", NULL
1475   },
1476   {
1477     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1478     0,                                  999,
1479     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
1480     GADGET_ID_PUSH_DELAY_RND_TEXT,      GADGET_ID_PUSH_DELAY_FIX_UP,
1481     &custom_element.push_delay_random,
1482     NULL,                               "+random", NULL
1483   },
1484   {
1485     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(7),
1486     0,                                  999,
1487     GADGET_ID_DROP_DELAY_FIX_DOWN,      GADGET_ID_DROP_DELAY_FIX_UP,
1488     GADGET_ID_DROP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1489     &custom_element.drop_delay_fixed,
1490     NULL,                               "drop delay", NULL
1491   },
1492   {
1493     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
1494     0,                                  999,
1495     GADGET_ID_DROP_DELAY_RND_DOWN,      GADGET_ID_DROP_DELAY_RND_UP,
1496     GADGET_ID_DROP_DELAY_RND_TEXT,      GADGET_ID_DROP_DELAY_FIX_UP,
1497     &custom_element.drop_delay_random,
1498     NULL,                               "+random", NULL
1499   },
1500
1501   /* ---------- element settings: configure 2 (custom elements) ------------ */
1502
1503   {
1504     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1505     0,                                  999,
1506     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
1507     GADGET_ID_MOVE_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1508     &custom_element.move_delay_fixed,
1509     NULL,                               "move delay", NULL
1510   },
1511   {
1512     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1513     0,                                  999,
1514     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
1515     GADGET_ID_MOVE_DELAY_RND_TEXT,      GADGET_ID_MOVE_DELAY_FIX_UP,
1516     &custom_element.move_delay_random,
1517     NULL,                               "+random", NULL
1518   },
1519   {
1520     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(12),
1521     0,                                  999,
1522     GADGET_ID_EXPLOSION_DELAY_DOWN,     GADGET_ID_EXPLOSION_DELAY_UP,
1523     GADGET_ID_EXPLOSION_DELAY_TEXT,     GADGET_ID_NONE,
1524     &custom_element.explosion_delay,
1525     NULL,                               "explosion delay", NULL
1526   },
1527   {
1528     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
1529     0,                                  999,
1530     GADGET_ID_IGNITION_DELAY_DOWN,      GADGET_ID_IGNITION_DELAY_UP,
1531     GADGET_ID_IGNITION_DELAY_TEXT,      GADGET_ID_NONE,
1532     &custom_element.ignition_delay,
1533     NULL,                               "ignition delay", "(by fire)"
1534   },
1535
1536   /* ---------- element settings: configure (group elements) --------------- */
1537
1538   {
1539     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1540     MIN_ELEMENTS_IN_GROUP,              MAX_ELEMENTS_IN_GROUP,
1541     GADGET_ID_GROUP_CONTENT_DOWN,       GADGET_ID_GROUP_CONTENT_UP,
1542     GADGET_ID_GROUP_CONTENT_TEXT,       GADGET_ID_NONE,
1543     &group_element_info.num_elements,
1544     NULL,                               NULL, "number of elements in group"
1545   },
1546
1547   /* ---------- element settings: advanced (custom elements) --------------- */
1548
1549   {
1550     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(2),
1551     0,                                  999,
1552     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1553     GADGET_ID_CHANGE_DELAY_FIX_TEXT,    GADGET_ID_NONE,
1554     &custom_element_change.delay_fixed,
1555     NULL,                               "CE delay", NULL,
1556   },
1557   {
1558     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
1559     0,                                  999,
1560     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
1561     GADGET_ID_CHANGE_DELAY_RND_TEXT,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1562     &custom_element_change.delay_random,
1563     NULL,                               "+random", NULL
1564   },
1565   {
1566     ED_ELEMENT_SETTINGS_XPOS(3),        ED_ELEMENT_SETTINGS_YPOS(12),
1567     0,                                  100,
1568     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
1569     GADGET_ID_CHANGE_CONT_RND_TEXT,     GADGET_ID_NONE,
1570     &custom_element_change.random_percentage,
1571     NULL,                               "use random replace:", "%"
1572   },
1573 };
1574
1575 static struct
1576 {
1577   int x, y;
1578   int gadget_id;
1579   int size;
1580   char *value;
1581   char *text_above, *infotext;
1582 } textinput_info[ED_NUM_TEXTINPUT] =
1583 {
1584   {
1585     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1586     GADGET_ID_LEVEL_NAME,
1587     MAX_LEVEL_NAME_LEN,
1588     level.name,
1589     "Title:", "Title"
1590   },
1591   {
1592     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1593     GADGET_ID_LEVEL_AUTHOR,
1594     MAX_LEVEL_AUTHOR_LEN,
1595     level.author,
1596     "Author:", "Author"
1597   },
1598   {
1599     -1, -1,     /* these values are not constant, but can change at runtime */
1600     GADGET_ID_ELEMENT_NAME,
1601     MAX_ELEMENT_NAME_LEN - 2,           /* currently 2 chars less editable */
1602     custom_element.description,
1603     NULL, "Element name"
1604   }
1605 };
1606
1607 static struct
1608 {
1609   int x, y;
1610   int gadget_id;
1611   int xsize, ysize;
1612   char *value;
1613   char *text_above, *infotext;
1614 } textarea_info[ED_NUM_TEXTAREAS] =
1615 {
1616   {
1617     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1618     GADGET_ID_ENVELOPE_INFO,
1619     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
1620     NULL,
1621     "Envelope Content:", "Envelope Content"
1622   }
1623 };
1624
1625 static struct ValueTextInfo options_time_or_steps[] =
1626 {
1627   { 0,                          "seconds"                       },
1628   { 1,                          "steps"                         },
1629
1630   { -1,                         NULL                            }
1631 };
1632
1633 static struct ValueTextInfo options_game_engine_type[] =
1634 {
1635   { GAME_ENGINE_TYPE_RND,       "Rocks'n'Diamonds"              },
1636   { GAME_ENGINE_TYPE_EM,        "Emerald Mine"                  },
1637   { GAME_ENGINE_TYPE_SP,        "Supaplex"                      },
1638   { GAME_ENGINE_TYPE_MM,        "Mirror Magic"                  },
1639
1640   { -1,                         NULL                            }
1641 };
1642
1643 static struct ValueTextInfo options_wind_direction[] =
1644 {
1645   { MV_START_NONE,              "none"                          },
1646   { MV_START_LEFT,              "left"                          },
1647   { MV_START_RIGHT,             "right"                         },
1648   { MV_START_UP,                "up"                            },
1649   { MV_START_DOWN,              "down"                          },
1650
1651   { -1,                         NULL                            }
1652 };
1653
1654 static struct ValueTextInfo options_player_speed[] =
1655 {
1656   { 0,                          "frozen"                        },
1657   { 1,                          "very slow"                     },
1658   { 2,                          "slow"                          },
1659   { 4,                          "normal"                        },
1660   { 8,                          "fast"                          },
1661   { 16,                         "very fast"                     },
1662   { 32,                         "ultrafast"                     },
1663
1664   { -1,                         NULL                            }
1665 };
1666
1667 static struct ValueTextInfo options_access_type[] =
1668 {
1669   { EP_WALKABLE,                "walkable"                      },
1670   { EP_PASSABLE,                "passable"                      },
1671
1672   { -1,                         NULL                            }
1673 };
1674
1675 static struct ValueTextInfo options_access_layer[] =
1676 {
1677   { EP_ACCESSIBLE_OVER,         "over"                          },
1678   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
1679   { EP_ACCESSIBLE_UNDER,        "under"                         },
1680
1681   { -1,                         NULL                            }
1682 };
1683
1684 static struct ValueTextInfo options_access_protected[] =
1685 {
1686   { 0,                          "unprotected"                   },
1687   { 1,                          "protected"                     },
1688
1689   { -1,                         NULL                            }
1690 };
1691
1692 static struct ValueTextInfo options_access_direction[] =
1693 {
1694   { MV_NO_DIRECTION,            "no direction"                  },
1695   { MV_LEFT,                    "left"                          },
1696   { MV_RIGHT,                   "right"                         },
1697   { MV_UP,                      "up"                            },
1698   { MV_DOWN,                    "down"                          },
1699   { MV_LEFT  | MV_UP,           "left + up"                     },
1700   { MV_LEFT  | MV_DOWN,         "left + down"                   },
1701   { MV_RIGHT | MV_UP,           "right + up"                    },
1702   { MV_RIGHT | MV_DOWN,         "right + down"                  },
1703   { MV_HORIZONTAL,              "horizontal"                    },
1704   { MV_VERTICAL,                "vertical"                      },
1705   { MV_HORIZONTAL | MV_UP,      "horizontal + up"               },
1706   { MV_HORIZONTAL | MV_DOWN,    "horizontal + down"             },
1707   { MV_VERTICAL   | MV_LEFT,    "vertical + left"               },
1708   { MV_VERTICAL   | MV_RIGHT,   "vertical + right"              },
1709   { MV_ALL_DIRECTIONS,          "all directions"                },
1710
1711   { -1,                         NULL                            }
1712 };
1713
1714 static struct ValueTextInfo options_walk_to_action[] =
1715 {
1716   { EP_DIGGABLE,                "diggable"                      },
1717   { EP_COLLECTIBLE_ONLY,        "collectible"                   },
1718   { EP_DROPPABLE,               "collectible & droppable"       },
1719   { EP_THROWABLE,               "collectible & throwable"       },
1720   { EP_PUSHABLE,                "pushable"                      },
1721
1722   { -1,                         NULL                            }
1723 };
1724
1725 static struct ValueTextInfo options_move_pattern[] =
1726 {
1727   { MV_LEFT,                    "left"                          },
1728   { MV_RIGHT,                   "right"                         },
1729   { MV_UP,                      "up"                            },
1730   { MV_DOWN,                    "down"                          },
1731   { MV_HORIZONTAL,              "horizontal"                    },
1732   { MV_VERTICAL,                "vertical"                      },
1733   { MV_ALL_DIRECTIONS,          "all directions"                },
1734   { MV_WIND_DIRECTION,          "wind direction"                },
1735   { MV_TOWARDS_PLAYER,          "towards player"                },
1736   { MV_AWAY_FROM_PLAYER,        "away from player"              },
1737   { MV_ALONG_LEFT_SIDE,         "along left side"               },
1738   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
1739   { MV_TURNING_LEFT,            "turning left"                  },
1740   { MV_TURNING_RIGHT,           "turning right"                 },
1741   { MV_TURNING_LEFT_RIGHT,      "turning left, right"           },
1742   { MV_TURNING_RIGHT_LEFT,      "turning right, left"           },
1743   { MV_TURNING_RANDOM,          "turning random"                },
1744   { MV_MAZE_RUNNER,             "maze runner style"             },
1745   { MV_MAZE_HUNTER,             "maze hunter style"             },
1746   { MV_WHEN_PUSHED,             "when pushed"                   },
1747   { MV_WHEN_DROPPED,            "when dropped/thrown"           },
1748
1749   { -1,                         NULL                            }
1750 };
1751
1752 static struct ValueTextInfo options_move_direction[] =
1753 {
1754   { MV_START_AUTOMATIC,         "automatic"                     },
1755   { MV_START_LEFT,              "left"                          },
1756   { MV_START_RIGHT,             "right"                         },
1757   { MV_START_UP,                "up"                            },
1758   { MV_START_DOWN,              "down"                          },
1759   { MV_START_RANDOM,            "random"                        },
1760   { MV_START_PREVIOUS,          "previous"                      },
1761
1762   { -1,                         NULL                            }
1763 };
1764
1765 static struct ValueTextInfo options_move_stepsize[] =
1766 {
1767   { 0,                          "not moving"                    },
1768   { 1,                          "very slow"                     },
1769   { 2,                          "slow"                          },
1770   { 4,                          "normal"                        },
1771   { 8,                          "fast"                          },
1772   { 16,                         "very fast"                     },
1773   { 32,                         "even faster"                   },
1774
1775   { -1,                         NULL                            }
1776 };
1777
1778 static struct ValueTextInfo options_move_leave_type[] =
1779 {
1780   { LEAVE_TYPE_UNLIMITED,       "leave behind"                  },
1781   { LEAVE_TYPE_LIMITED,         "change it to"                  },
1782
1783   { -1,                         NULL                            }
1784 };
1785
1786 static struct ValueTextInfo options_smash_targets[] =
1787 {
1788   { EP_CAN_SMASH_PLAYER,        "player"                        },
1789 #if 0
1790   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
1791 #endif
1792   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
1793
1794   { -1,                         NULL                            }
1795 };
1796
1797 static struct ValueTextInfo options_slippery_type[] =
1798 {
1799   { SLIPPERY_ANY_RANDOM,        "random"                        },
1800   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
1801   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
1802   { SLIPPERY_ONLY_LEFT,         "only left"                     },
1803   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
1804
1805   { -1,                         NULL                            }
1806 };
1807
1808 static struct ValueTextInfo options_deadliness[] =
1809 {
1810   { EP_DONT_RUN_INTO,           "running into"                  },
1811   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
1812   { EP_DONT_GET_HIT_BY,         "getting hit by"                },
1813   { EP_DONT_TOUCH,              "touching"                      },
1814
1815   { -1,                         NULL                            }
1816 };
1817
1818 static struct ValueTextInfo options_explosion_type[] =
1819 {
1820   { EXPLODES_3X3,               "3x3"                           },
1821   { EXPLODES_CROSS,             "3+3"                           },
1822   { EXPLODES_1X1,               "1x1"                           },
1823
1824   { -1,                         NULL                            }
1825 };
1826
1827 static struct ValueTextInfo options_time_units[] =
1828 {
1829   { 1,                          "frames"                        },
1830   { FRAMES_PER_SECOND,          "seconds"                       },
1831
1832   { -1,                         NULL                            }
1833 };
1834
1835 static struct ValueTextInfo options_change_direct_action[] =
1836 {
1837   { CE_TOUCHED_BY_PLAYER,       "touched by player"             },
1838   { CE_PRESSED_BY_PLAYER,       "pressed by player"             },
1839   { CE_SWITCHED_BY_PLAYER,      "switched by player"            },
1840   { CE_SNAPPED_BY_PLAYER,       "snapped by player"             },
1841   { CE_PUSHED_BY_PLAYER,        "pushed by player"              },
1842   { CE_ENTERED_BY_PLAYER,       "entered by player"             },
1843   { CE_LEFT_BY_PLAYER,          "left by player"                },
1844   { CE_DROPPED_BY_PLAYER,       "dropped/thrown by player"      },
1845   { CE_SWITCHED,                "switched"                      },
1846   { CE_HITTING_SOMETHING,       "hitting something"             },
1847   { CE_HIT_BY_SOMETHING,        "hit by something"              },
1848 #if 0
1849   { CE_BLOCKED,                 "blocked"                       },
1850 #endif
1851   { CE_IMPACT,                  "impact (on something)"         },
1852   { CE_SMASHED,                 "smashed (from above)"          },
1853 #if 0
1854   { CE_VALUE_CHANGES,           "CE value changes"              },
1855   { CE_SCORE_CHANGES,           "CE score changes"              },
1856 #endif
1857   { CE_VALUE_GETS_ZERO,         "CE value gets 0"               },
1858   { CE_SCORE_GETS_ZERO,         "CE score gets 0"               },
1859
1860   { -1,                         NULL                            }
1861 };
1862
1863 static struct ValueTextInfo options_change_other_action[] =
1864 {
1865   { CE_PLAYER_TOUCHES_X,        "player touches"                },
1866   { CE_PLAYER_PRESSES_X,        "player presses"                },
1867   { CE_PLAYER_SWITCHES_X,       "player switches"               },
1868   { CE_PLAYER_SNAPS_X,          "player snaps"                  },
1869   { CE_PLAYER_PUSHES_X,         "player pushes"                 },
1870   { CE_PLAYER_ENTERS_X,         "player enters"                 },
1871   { CE_PLAYER_LEAVES_X,         "player leaves"                 },
1872   { CE_PLAYER_DIGS_X,           "player digs"                   },
1873   { CE_PLAYER_COLLECTS_X,       "player collects"               },
1874   { CE_PLAYER_DROPS_X,          "player drops/throws"           },
1875   { CE_TOUCHING_X,              "touching"                      },
1876   { CE_HITTING_X,               "hitting"                       },
1877   { CE_DIGGING_X,               "digging"                       },
1878   { CE_HIT_BY_X,                "hit by"                        },
1879   { CE_SWITCH_OF_X,             "switch of"                     },
1880   { CE_CHANGE_OF_X,             "change by page of"             },
1881   { CE_EXPLOSION_OF_X,          "explosion of"                  },
1882   { CE_MOVE_OF_X,               "move of"                       },
1883   { CE_CREATION_OF_X,           "creation of"                   },
1884   { CE_VALUE_CHANGES_OF_X,      "CE value changes of"           },
1885   { CE_SCORE_CHANGES_OF_X,      "CE score changes of"           },
1886   { CE_VALUE_GETS_ZERO_OF_X,    "CE value gets 0 of"            },
1887   { CE_SCORE_GETS_ZERO_OF_X,    "CE score gets 0 of"            },
1888
1889   { -1,                         NULL                            }
1890 };
1891
1892 static struct ValueTextInfo options_change_trigger_side[] =
1893 {
1894   { CH_SIDE_LEFT,               "left"                          },
1895   { CH_SIDE_RIGHT,              "right"                         },
1896   { CH_SIDE_TOP,                "top"                           },
1897   { CH_SIDE_BOTTOM,             "bottom"                        },
1898   { CH_SIDE_LEFT_RIGHT,         "left/right"                    },
1899   { CH_SIDE_TOP_BOTTOM,         "top/bottom"                    },
1900   { CH_SIDE_ANY,                "any"                           },
1901
1902   { -1,                         NULL                            }
1903 };
1904
1905 static struct ValueTextInfo options_change_trigger_player[] =
1906 {
1907   { CH_PLAYER_1,                "1"                             },
1908   { CH_PLAYER_2,                "2"                             },
1909   { CH_PLAYER_3,                "3"                             },
1910   { CH_PLAYER_4,                "4"                             },
1911   { CH_PLAYER_ANY,              "any"                           },
1912
1913   { -1,                         NULL                            }
1914 };
1915
1916 static struct ValueTextInfo options_change_trigger_page[] =
1917 {
1918   { (1 << 0),                   "1"                             },
1919   { (1 << 1),                   "2"                             },
1920   { (1 << 2),                   "3"                             },
1921   { (1 << 3),                   "4"                             },
1922   { (1 << 4),                   "5"                             },
1923   { (1 << 5),                   "6"                             },
1924   { (1 << 6),                   "7"                             },
1925   { (1 << 7),                   "8"                             },
1926   { (1 << 8),                   "9"                             },
1927   { (1 << 9),                   "10"                            },
1928   { (1 << 10),                  "11"                            },
1929   { (1 << 11),                  "12"                            },
1930   { (1 << 12),                  "13"                            },
1931   { (1 << 13),                  "14"                            },
1932   { (1 << 14),                  "15"                            },
1933   { (1 << 15),                  "16"                            },
1934   { (1 << 16),                  "17"                            },
1935   { (1 << 17),                  "18"                            },
1936   { (1 << 18),                  "19"                            },
1937   { (1 << 19),                  "20"                            },
1938   { (1 << 20),                  "21"                            },
1939   { (1 << 21),                  "22"                            },
1940   { (1 << 22),                  "23"                            },
1941   { (1 << 23),                  "24"                            },
1942   { (1 << 24),                  "25"                            },
1943   { (1 << 25),                  "26"                            },
1944   { (1 << 26),                  "27"                            },
1945   { (1 << 27),                  "28"                            },
1946   { (1 << 28),                  "29"                            },
1947   { (1 << 29),                  "30"                            },
1948   { (1 << 30),                  "31"                            },
1949   { (1 << 31),                  "32"                            },
1950   { CH_PAGE_ANY,                "any"                           },
1951
1952   { -1,                         NULL                            }
1953 };
1954
1955 static struct ValueTextInfo options_change_replace_when[] =
1956 {
1957   { CP_WHEN_EMPTY,              "empty"                         },
1958   { CP_WHEN_WALKABLE,           "walkable"                      },
1959   { CP_WHEN_DIGGABLE,           "diggable"                      },
1960   { CP_WHEN_COLLECTIBLE,        "collectible"                   },
1961   { CP_WHEN_REMOVABLE,          "removable"                     },
1962   { CP_WHEN_DESTRUCTIBLE,       "destructible"                  },
1963
1964   { -1,                         NULL                            }
1965 };
1966
1967 static struct ValueTextInfo options_action_type[] =
1968 {
1969   { CA_NO_ACTION,               "no action"                     },
1970   { CA_UNDEFINED,               " "                             },
1971   { CA_HEADLINE_LEVEL_ACTIONS,  "[level]"                       },
1972   { CA_RESTART_LEVEL,           "restart level"                 },
1973   { CA_SHOW_ENVELOPE,           "show envelope"                 },
1974   { CA_SET_LEVEL_TIME,          "set time"                      },
1975   { CA_SET_LEVEL_SCORE,         "set score"                     },
1976   { CA_SET_LEVEL_GEMS,          "set gems"                      },
1977   { CA_SET_LEVEL_WIND,          "set wind dir."                 },
1978   { CA_SET_LEVEL_RANDOM_SEED,   "set rand. seed"                },
1979   { CA_UNDEFINED,               " "                             },
1980   { CA_HEADLINE_PLAYER_ACTIONS, "[player]"                      },
1981   { CA_MOVE_PLAYER,             "move player"                   },
1982   { CA_EXIT_PLAYER,             "exit player"                   },
1983   { CA_KILL_PLAYER,             "kill player"                   },
1984   { CA_SET_PLAYER_KEYS,         "set keys"                      },
1985   { CA_SET_PLAYER_SPEED,        "set speed"                     },
1986   { CA_SET_PLAYER_SHIELD,       "set shield"                    },
1987   { CA_SET_PLAYER_GRAVITY,      "set gravity"                   },
1988   { CA_SET_PLAYER_ARTWORK,      "set artwork"                   },
1989   { CA_SET_PLAYER_INVENTORY,    "set inventory"                 },
1990   { CA_UNDEFINED,               " "                             },
1991   { CA_HEADLINE_CE_ACTIONS,     "[CE]"                          },
1992   { CA_SET_CE_VALUE,            "set CE value"                  },
1993   { CA_SET_CE_SCORE,            "set CE score"                  },
1994   { CA_SET_CE_ARTWORK,          "set CE artwork"                },
1995   { CA_UNDEFINED,               " "                             },
1996   { CA_HEADLINE_ENGINE_ACTIONS, "[engine]"                      },
1997   { CA_SET_ENGINE_SCAN_MODE,    "set scan mode"                 },
1998
1999   { -1,                         NULL                            }
2000 };
2001
2002 static struct ValueTextInfo options_action_mode_none[] =
2003 {
2004   { CA_MODE_UNDEFINED,          " "                             },
2005
2006   { -1,                         NULL                            }
2007 };
2008
2009 static struct ValueTextInfo options_action_mode_assign[] =
2010 {
2011   { CA_MODE_SET,                "="                             },
2012
2013   { -1,                         NULL                            }
2014 };
2015
2016 static struct ValueTextInfo options_action_mode_add_remove[] =
2017 {
2018   { CA_MODE_ADD,                "+"                             },
2019   { CA_MODE_SUBTRACT,           "-"                             },
2020
2021   { -1,                         NULL                            }
2022 };
2023
2024 static struct ValueTextInfo options_action_mode_calculate[] =
2025 {
2026   { CA_MODE_SET,                "="                             },
2027   { CA_MODE_ADD,                "+"                             },
2028   { CA_MODE_SUBTRACT,           "-"                             },
2029   { CA_MODE_MULTIPLY,           "*"                             },
2030   { CA_MODE_DIVIDE,             "/"                             },
2031   { CA_MODE_MODULO,             "%"                             },
2032
2033   { -1,                         NULL                            }
2034 };
2035
2036 static struct ValueTextInfo options_action_arg_none[] =
2037 {
2038   { CA_ARG_UNDEFINED,           "         "                     },
2039
2040   { -1,                         NULL                            }
2041 };
2042
2043 static struct ValueTextInfo options_action_arg_player[] =
2044 {
2045   { CA_ARG_PLAYER_HEADLINE,     "[player]"                      },
2046   { CA_ARG_PLAYER_1,            "1"                             },
2047   { CA_ARG_PLAYER_2,            "2"                             },
2048   { CA_ARG_PLAYER_3,            "3"                             },
2049   { CA_ARG_PLAYER_4,            "4"                             },
2050   { CA_ARG_PLAYER_ANY,          "any"                           },
2051   { CA_ARG_PLAYER_TRIGGER,      "trigger"                       },
2052   { CA_ARG_PLAYER_ACTION,       "action ->"                     },
2053
2054   { -1,                         NULL                            }
2055 };
2056
2057 static struct ValueTextInfo options_action_arg_number[] =
2058 {
2059   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2060   { CA_ARG_0,                   "0"                             },
2061   { CA_ARG_1,                   "1"                             },
2062   { CA_ARG_2,                   "2"                             },
2063   { CA_ARG_3,                   "3"                             },
2064   { CA_ARG_4,                   "4"                             },
2065   { CA_ARG_5,                   "5"                             },
2066   { CA_ARG_10,                  "10"                            },
2067   { CA_ARG_100,                 "100"                           },
2068   { CA_ARG_1000,                "1000"                          },
2069   { CA_ARG_UNDEFINED,           " "                             },
2070   { CA_ARG_NUMBER_MIN,          "min"                           },
2071   { CA_ARG_NUMBER_MAX,          "max"                           },
2072   { CA_ARG_UNDEFINED,           " "                             },
2073   { CA_ARG_NUMBER_RESET,        "reset"                         },
2074   { CA_ARG_UNDEFINED,           " "                             },
2075   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2076   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2077   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2078   { CA_ARG_UNDEFINED,           " "                             },
2079   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2080   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2081   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2082   { CA_ARG_UNDEFINED,           " "                             },
2083   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2084   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2085   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2086   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2087   { CA_ARG_UNDEFINED,           " "                             },
2088   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2089   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2090   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2091   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2092
2093   { -1,                         NULL                            }
2094 };
2095
2096 static struct ValueTextInfo options_action_arg_value[] =
2097 {
2098   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2099   { CA_ARG_0,                   "0"                             },
2100   { CA_ARG_1,                   "1"                             },
2101   { CA_ARG_2,                   "2"                             },
2102   { CA_ARG_3,                   "3"                             },
2103   { CA_ARG_4,                   "4"                             },
2104   { CA_ARG_5,                   "5"                             },
2105   { CA_ARG_10,                  "10"                            },
2106   { CA_ARG_100,                 "100"                           },
2107   { CA_ARG_1000,                "1000"                          },
2108   { CA_ARG_UNDEFINED,           " "                             },
2109   { CA_ARG_NUMBER_MIN,          "min"                           },
2110   { CA_ARG_NUMBER_MAX,          "max"                           },
2111   { CA_ARG_UNDEFINED,           " "                             },
2112   { CA_ARG_NUMBER_RESET,        "reset"                         },
2113   { CA_ARG_UNDEFINED,           " "                             },
2114   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2115   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2116   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2117   { CA_ARG_UNDEFINED,           " "                             },
2118   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2119   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2120   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2121   { CA_ARG_UNDEFINED,           " "                             },
2122   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2123   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2124   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2125   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2126   { CA_ARG_UNDEFINED,           " "                             },
2127   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2128   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2129   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2130   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2131   { CA_ARG_UNDEFINED,           " "                             },
2132   { CA_ARG_ELEMENT_NR_HEADLINE, "[element]"                     },
2133   { CA_ARG_ELEMENT_NR_TARGET,   "target"                        },
2134   { CA_ARG_ELEMENT_NR_TRIGGER,  "trigger"                       },
2135   { CA_ARG_ELEMENT_NR_ACTION,   "action ->"                     },
2136
2137   { -1,                         NULL                            }
2138 };
2139
2140 static struct ValueTextInfo options_action_arg_envelope[] =
2141 {
2142   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2143   { CA_ARG_1,                   "1"                             },
2144   { CA_ARG_2,                   "2"                             },
2145   { CA_ARG_3,                   "3"                             },
2146   { CA_ARG_4,                   "4"                             },
2147   { CA_ARG_UNDEFINED,           " "                             },
2148   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2149   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2150   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2151   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2152
2153   { -1,                         NULL                            }
2154 };
2155
2156 static struct ValueTextInfo options_action_arg_key[] =
2157 {
2158   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2159   { CA_ARG_1,                   "1"                             },
2160   { CA_ARG_2,                   "2"                             },
2161   { CA_ARG_3,                   "3"                             },
2162   { CA_ARG_4,                   "4"                             },
2163   { CA_ARG_5,                   "5"                             },
2164   { CA_ARG_6,                   "6"                             },
2165   { CA_ARG_7,                   "7"                             },
2166   { CA_ARG_8,                   "8"                             },
2167   { CA_ARG_UNDEFINED,           " "                             },
2168   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2169   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2170   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2171   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2172
2173   { -1,                         NULL                            }
2174 };
2175
2176 static struct ValueTextInfo options_action_arg_speed[] =
2177 {
2178   { CA_ARG_SPEED_HEADLINE,      "[speed]"                       },
2179   { CA_ARG_SPEED_NOT_MOVING,    "frozen"                        },
2180   { CA_ARG_SPEED_VERY_SLOW,     "very slow"                     },
2181   { CA_ARG_SPEED_SLOW,          "slow"                          },
2182   { CA_ARG_SPEED_NORMAL,        "normal"                        },
2183   { CA_ARG_SPEED_FAST,          "fast"                          },
2184   { CA_ARG_SPEED_VERY_FAST,     "very fast"                     },
2185   { CA_ARG_SPEED_EVEN_FASTER,   "ultrafast"                     },
2186   { CA_ARG_UNDEFINED,           " "                             },
2187   { CA_ARG_SPEED_SLOWER,        "slower"                        },
2188   { CA_ARG_SPEED_FASTER,        "faster"                        },
2189   { CA_ARG_UNDEFINED,           " "                             },
2190   { CA_ARG_SPEED_RESET,         "reset"                         },
2191
2192   { -1,                         NULL                            }
2193 };
2194
2195 static struct ValueTextInfo options_action_arg_shield[] =
2196 {
2197   { CA_ARG_SHIELD_HEADLINE,     "[shield]"                      },
2198   { CA_ARG_SHIELD_OFF,          "off"                           },
2199   { CA_ARG_SHIELD_NORMAL,       "normal"                        },
2200   { CA_ARG_SHIELD_DEADLY,       "deadly"                        },
2201
2202   { -1,                         NULL                            }
2203 };
2204
2205 static struct ValueTextInfo options_action_arg_artwork[] =
2206 {
2207   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2208   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2209   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2210   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2211   { CA_ARG_UNDEFINED,           " "                             },
2212   { CA_ARG_ELEMENT_RESET,       "reset"                         },
2213
2214   { -1,                         NULL                            }
2215 };
2216
2217 static struct ValueTextInfo options_action_arg_gravity[] =
2218 {
2219   { CA_ARG_GRAVITY_HEADLINE,    "[gravity]"                     },
2220   { CA_ARG_GRAVITY_ON,          "on"                            },
2221   { CA_ARG_GRAVITY_OFF,         "off"                           },
2222   { CA_ARG_GRAVITY_TOGGLE,      "toggle"                        },
2223
2224   { -1,                         NULL                            }
2225 };
2226
2227 static struct ValueTextInfo options_action_arg_direction[] =
2228 {
2229   { CA_ARG_DIRECTION_HEADLINE,  "[dir.]"                        },
2230   { CA_ARG_DIRECTION_NONE,      "none"                          },
2231   { CA_ARG_DIRECTION_LEFT,      "left"                          },
2232   { CA_ARG_DIRECTION_RIGHT,     "right"                         },
2233   { CA_ARG_DIRECTION_UP,        "up"                            },
2234   { CA_ARG_DIRECTION_DOWN,      "down"                          },
2235   { CA_ARG_DIRECTION_TRIGGER,   "trigger"                       },
2236   { CA_ARG_DIRECTION_TRIGGER_BACK, "-trigger"                   },
2237
2238   { -1,                         NULL                            }
2239 };
2240
2241 static struct ValueTextInfo options_action_arg_scan_mode[] =
2242 {
2243   { CA_ARG_SCAN_MODE_HEADLINE,  "[mode]"                        },
2244   { CA_ARG_SCAN_MODE_NORMAL,    "normal"                        },
2245   { CA_ARG_SCAN_MODE_REVERSE,   "reverse"                       },
2246
2247   { -1,                         NULL                            }
2248 };
2249
2250 static struct ValueTextInfo options_action_arg_inventory[] =
2251 {
2252   { CA_ARG_INVENTORY_HEADLINE,  "[add]"                         },
2253   { CA_ARG_ELEMENT_TARGET,      "+ target"                      },
2254   { CA_ARG_ELEMENT_TRIGGER,     "+ trigger"                     },
2255   { CA_ARG_ELEMENT_ACTION,      "+ action"                      },
2256   { CA_ARG_UNDEFINED,           " "                             },
2257   { CA_ARG_INVENTORY_RM_HEADLINE,"[remove]"                     },
2258   { CA_ARG_INVENTORY_RM_TARGET, "- target"                      },
2259   { CA_ARG_INVENTORY_RM_TRIGGER,"- trigger"                     },
2260   { CA_ARG_INVENTORY_RM_ACTION, "- action"                      },
2261   { CA_ARG_INVENTORY_RM_FIRST,  "- first"                       },
2262   { CA_ARG_INVENTORY_RM_LAST,   "- last"                        },
2263   { CA_ARG_INVENTORY_RM_ALL,    "- all"                         },
2264   { CA_ARG_UNDEFINED,           " "                             },
2265   { CA_ARG_INVENTORY_RESET,     "reset"                         },
2266
2267   { -1,                         NULL                            }
2268 };
2269
2270 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
2271 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
2272 {
2273   { -1,                         NULL                            }
2274 };
2275
2276 static struct ValueTextInfo options_group_choice_mode[] =
2277 {
2278   { ANIM_RANDOM,                "random"                        },
2279   { ANIM_LOOP,                  "loop"                          },
2280   { ANIM_LINEAR,                "linear"                        },
2281   { ANIM_PINGPONG,              "pingpong"                      },
2282   { ANIM_PINGPONG2,             "pingpong 2"                    },
2283
2284   { -1,                         NULL                            }
2285 };
2286
2287 static struct ValueTextInfo *action_arg_modes[] =
2288 {
2289   options_action_mode_none,
2290   options_action_mode_assign,
2291   options_action_mode_add_remove,
2292   options_action_mode_calculate,
2293 };
2294
2295 static struct
2296 {
2297   int value;
2298   int mode;
2299   struct ValueTextInfo *options;
2300 }
2301 action_arg_options[] =
2302 {
2303   { CA_NO_ACTION,               0,      options_action_arg_none,        },
2304   { CA_EXIT_PLAYER,             0,      options_action_arg_player,      },
2305   { CA_KILL_PLAYER,             0,      options_action_arg_player,      },
2306   { CA_MOVE_PLAYER,             0,      options_action_arg_direction,   },
2307   { CA_RESTART_LEVEL,           0,      options_action_arg_none,        },
2308   { CA_SHOW_ENVELOPE,           0,      options_action_arg_envelope,    },
2309   { CA_SET_LEVEL_TIME,          3,      options_action_arg_number,      },
2310   { CA_SET_LEVEL_GEMS,          3,      options_action_arg_number,      },
2311   { CA_SET_LEVEL_SCORE,         3,      options_action_arg_number,      },
2312   { CA_SET_LEVEL_WIND,          1,      options_action_arg_direction,   },
2313   { CA_SET_LEVEL_RANDOM_SEED,   1,      options_action_arg_number,      },
2314   { CA_SET_PLAYER_KEYS,         2,      options_action_arg_key,         },
2315   { CA_SET_PLAYER_SPEED,        1,      options_action_arg_speed,       },
2316   { CA_SET_PLAYER_SHIELD,       1,      options_action_arg_shield,      },
2317   { CA_SET_PLAYER_GRAVITY,      1,      options_action_arg_gravity,     },
2318   { CA_SET_PLAYER_ARTWORK,      1,      options_action_arg_artwork,     },
2319   { CA_SET_PLAYER_INVENTORY,    0,      options_action_arg_inventory,   },
2320   { CA_SET_CE_VALUE,            3,      options_action_arg_value,       },
2321   { CA_SET_CE_SCORE,            3,      options_action_arg_value,       },
2322   { CA_SET_CE_ARTWORK,          1,      options_action_arg_artwork,     },
2323   { CA_SET_ENGINE_SCAN_MODE,    1,      options_action_arg_scan_mode,   },
2324
2325   { -1,                         FALSE,  NULL                            }
2326 };
2327
2328 static struct
2329 {
2330   int x, y;
2331   int gadget_id;
2332   int gadget_id_align;
2333   int size;     /* char size of selectbox or '-1' (dynamically determined) */
2334   struct ValueTextInfo *options;
2335   int *value;
2336   char *text_left, *text_right, *infotext;
2337 } selectbox_info[ED_NUM_SELECTBOX] =
2338 {
2339   /* ---------- level and editor settings ---------------------------------- */
2340
2341   {
2342     -1,                                 ED_LEVEL_SETTINGS_YPOS(8),
2343     GADGET_ID_TIME_OR_STEPS,            GADGET_ID_LEVEL_TIMELIMIT_UP,
2344     -1,
2345     options_time_or_steps,
2346     &level.use_step_counter,
2347     NULL, "(0 => no limit)",            "time or step limit"
2348   },
2349   {
2350     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(11),
2351     GADGET_ID_GAME_ENGINE_TYPE,         GADGET_ID_NONE,
2352     -1,
2353     options_game_engine_type,
2354     &level.game_engine_type,
2355     "game engine:", NULL,               "game engine"
2356   },
2357
2358   /* ---------- element settings: configure (several elements) ------------- */
2359
2360   {
2361     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2362     GADGET_ID_WIND_DIRECTION,           GADGET_ID_NONE,
2363     -1,
2364     options_wind_direction,
2365     &level.wind_direction_initial,
2366     "initial wind direction:", NULL,    "initial wind direction"
2367   },
2368   {
2369     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2370     GADGET_ID_PLAYER_SPEED,             GADGET_ID_NONE,
2371     -1,
2372     options_player_speed,
2373     &level.initial_player_stepsize[0],
2374     "initial player speed:", NULL,      "initial player speed"
2375   },
2376
2377   /* ---------- element settings: configure 1 (custom elements) ------------ */
2378
2379   {
2380     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2381     GADGET_ID_CUSTOM_ACCESS_TYPE,       GADGET_ID_NONE,
2382     -1,
2383     options_access_type,
2384     &custom_element.access_type,
2385     NULL, NULL,                         "type of access to this field"
2386   },
2387   {
2388     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2389     GADGET_ID_CUSTOM_ACCESS_LAYER,      GADGET_ID_CUSTOM_ACCESS_TYPE,
2390     -1,
2391     options_access_layer,
2392     &custom_element.access_layer,
2393     NULL, NULL,                         "layer of access for this field"
2394   },
2395   {
2396     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2397     GADGET_ID_CUSTOM_ACCESS_PROTECTED,  GADGET_ID_CUSTOM_ACCESS_LAYER,
2398     -1,
2399     options_access_protected,
2400     &custom_element.access_protected,
2401     NULL, NULL,                         "protected access for this field"
2402   },
2403   {
2404     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2405     GADGET_ID_CUSTOM_ACCESS_DIRECTION,  GADGET_ID_NONE,
2406     -1,
2407     options_access_direction,
2408     &custom_element.access_direction,
2409     "from", NULL,                       "access direction for this field"
2410   },
2411   {
2412     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2413     GADGET_ID_CUSTOM_WALK_TO_ACTION,    GADGET_ID_NONE,
2414     -1,
2415     options_walk_to_action,
2416     &custom_element.walk_to_action,
2417     NULL, NULL,                         "diggable/collectible/pushable"
2418   },
2419
2420   /* ---------- element settings: configure 2 (custom elements) ------------ */
2421
2422   {
2423     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(1),
2424     GADGET_ID_CUSTOM_MOVE_PATTERN,      GADGET_ID_NONE,
2425     -1,
2426     options_move_pattern,
2427     &custom_element.move_pattern,
2428     "can move", NULL,                   "element move pattern"
2429   },
2430   {
2431     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2432     GADGET_ID_CUSTOM_MOVE_DIRECTION,    GADGET_ID_NONE,
2433     -1,
2434     options_move_direction,
2435     &custom_element.move_direction_initial,
2436     "starts moving", NULL,              "initial element move direction"
2437   },
2438   {
2439     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2440     GADGET_ID_CUSTOM_MOVE_STEPSIZE,     GADGET_ID_NONE,
2441     -1,
2442     options_move_stepsize,
2443     &custom_element.move_stepsize,
2444     "move/fall speed", NULL,            "speed of element movement"
2445   },
2446   {
2447     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2448     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,   GADGET_ID_NONE,
2449     -1,
2450     options_move_leave_type,
2451     &custom_element.move_leave_type,
2452     // left text with leading spaces to place gadget next to "can dig" gadget
2453     // (needed because drawing area gadgets created after selectbox gadgets)
2454     // "can dig:    can", ":",          "leave behind or change element"
2455     "            can", ":",             "leave behind or change element"
2456   },
2457   {
2458     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
2459     GADGET_ID_CUSTOM_SMASH_TARGETS,     GADGET_ID_CUSTOM_CAN_SMASH,
2460     -1,
2461     options_smash_targets,
2462     &custom_element.smash_targets,
2463     "can smash", NULL,                  "elements that can be smashed"
2464   },
2465   {
2466     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
2467     GADGET_ID_CUSTOM_SLIPPERY_TYPE,     GADGET_ID_NONE,
2468     -1,
2469     options_slippery_type,
2470     &custom_element.slippery_type,
2471     "slippery", NULL,                   "where other elements fall down"
2472   },
2473   {
2474     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
2475     GADGET_ID_CUSTOM_DEADLINESS,        GADGET_ID_NONE,
2476     -1,
2477     options_deadliness,
2478     &custom_element.deadliness,
2479     "deadly when", NULL,                "deadliness of element"
2480   },
2481   {
2482     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(10),
2483     GADGET_ID_CUSTOM_EXPLOSION_TYPE,    GADGET_ID_NONE,
2484     -1,
2485     options_explosion_type,
2486     &custom_element.explosion_type,
2487     "can explode", NULL,                "explosion type"
2488   },
2489
2490   /* ---------- element settings: advanced (custom elements) --------------- */
2491
2492   {
2493     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(3),
2494     GADGET_ID_CHANGE_TIME_UNITS,        GADGET_ID_NONE,
2495     -1,
2496     options_time_units,
2497     &custom_element_change.delay_frames,
2498     "delay time given in", NULL,        "delay time units for change"
2499   },
2500   {
2501     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(4),
2502     GADGET_ID_CHANGE_DIRECT_ACTION,     GADGET_ID_NONE,
2503     -1,
2504     options_change_direct_action,
2505     &custom_element_change.direct_action,
2506     NULL, NULL,                         "type of direct action"
2507   },
2508   {
2509     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(5),
2510     GADGET_ID_CHANGE_OTHER_ACTION,      GADGET_ID_NONE,
2511     -1,
2512     options_change_other_action,
2513     &custom_element_change.other_action,
2514     NULL, "element:",                   "type of other element action"
2515   },
2516   {
2517     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(6),
2518     GADGET_ID_CHANGE_SIDE,              GADGET_ID_NONE,
2519     -1,
2520     options_change_trigger_side,
2521     &custom_element_change.trigger_side,
2522     "at", "side",                       "element side triggering change"
2523   },
2524   {
2525     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2526     GADGET_ID_CHANGE_PLAYER,            GADGET_ID_NONE,
2527     -1,
2528     options_change_trigger_player,
2529     &custom_element_change.trigger_player,
2530     "player:", " ",                     "player that causes change"
2531   },
2532   {
2533     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2534     GADGET_ID_CHANGE_PAGE,              GADGET_ID_CHANGE_PLAYER,
2535     -1,
2536     options_change_trigger_page,
2537     &custom_element_change.trigger_page,
2538     "page:", NULL,                      "change page that causes change"
2539   },
2540   {
2541     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(10),
2542     GADGET_ID_CHANGE_REPLACE_WHEN,      GADGET_ID_NONE,
2543     -1,
2544     options_change_replace_when,
2545     &custom_element_change.replace_when,
2546     "replace when", NULL,               "which elements can be replaced"
2547   },
2548   {
2549     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
2550     GADGET_ID_ACTION_TYPE,              GADGET_ID_NONE,
2551     -1,
2552     options_action_type,
2553     &custom_element_change.action_type,
2554     NULL, NULL,                         "action on specified condition"
2555   },
2556   {
2557     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2558     GADGET_ID_ACTION_MODE,              GADGET_ID_ACTION_TYPE,
2559     -1,
2560     options_action_mode_none,
2561     &custom_element_change.action_mode,
2562     NULL, NULL,                         "action operator"
2563   },
2564   {
2565     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2566     GADGET_ID_ACTION_ARG,               GADGET_ID_ACTION_MODE,
2567     -1,
2568     options_action_arg_none,
2569     &custom_element_change.action_arg,
2570     NULL, NULL,                         "action parameter"
2571   },
2572   {
2573     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
2574     GADGET_ID_SELECT_CHANGE_PAGE,       GADGET_ID_NONE,
2575     3,
2576     options_change_page,
2577     &custom_element.current_change_page,
2578     NULL, NULL,                         "element change page"
2579   },
2580
2581   /* ---------- element settings: configure (group elements) --------------- */
2582
2583   {
2584     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2585     GADGET_ID_GROUP_CHOICE_MODE,        GADGET_ID_NONE,
2586     -1,
2587     options_group_choice_mode,
2588     &group_element_info.choice_mode,
2589     "choice type:", NULL,               "type of group element choice"
2590   },
2591 };
2592
2593 static struct
2594 {
2595   int x, y;
2596   int gadget_id;
2597   int gadget_id_align;
2598   int size;
2599   char *text;
2600   char *text_above, *text_left, *text_right, *infotext;
2601 } textbutton_info[ED_NUM_TEXTBUTTONS] =
2602 {
2603   /* ---------- level and editor settings (tabs) --------------------------- */
2604
2605   {
2606     ED_LEVEL_TABS_XPOS(0),              ED_LEVEL_TABS_YPOS(0),
2607     GADGET_ID_LEVELINFO_LEVEL,          GADGET_ID_NONE,
2608     8,                                  "Level",
2609     NULL, NULL, NULL,                   "Configure level properties"
2610   },
2611   {
2612     -1,                                 -1,
2613     GADGET_ID_LEVELINFO_EDITOR,         GADGET_ID_LEVELINFO_LEVEL,
2614     8,                                  "Editor",
2615     NULL, NULL, NULL,                   "Configure editor properties"
2616   },
2617
2618   /* ---------- element settings (tabs) ------------------------------------ */
2619
2620   {
2621     ED_ELEMENT_TABS_XPOS(0),            ED_ELEMENT_TABS_YPOS(0),
2622     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
2623     8,                                  "Info",
2624     NULL, NULL, NULL,                   "Show information about element"
2625   },
2626   {
2627     -1,                                 -1,
2628     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_PROPERTIES_INFO,
2629     8,                                  "Config",
2630     NULL, NULL, NULL,                   "Configure element properties"
2631   },
2632   {
2633     -1,                                 -1,
2634     GADGET_ID_PROPERTIES_CONFIG_1,      GADGET_ID_PROPERTIES_INFO,
2635     8,                                  "Config 1",
2636     NULL, NULL, NULL,                   "Configure element properties, part 1"
2637   },
2638   {
2639     -1,                                 -1,
2640     GADGET_ID_PROPERTIES_CONFIG_2,      GADGET_ID_PROPERTIES_CONFIG_1,
2641     8,                                  "Config 2",
2642     NULL, NULL, NULL,                   "Configure element properties, part 2"
2643   },
2644   {
2645     -1,                                 -1,
2646     GADGET_ID_PROPERTIES_CHANGE,        GADGET_ID_PROPERTIES_CONFIG_2,
2647     8,                                  "Change",
2648     NULL, NULL, NULL,                   "Configure custom element change pages"
2649   },
2650
2651   /* ---------- level and editor settings (buttons) ------------------------ */
2652
2653   {
2654     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
2655     GADGET_ID_SAVE_AS_TEMPLATE_2,       GADGET_ID_NONE,
2656     -1,                                 "Save",
2657     NULL, NULL,                         "this level as level template",
2658     "Save current settings as new template"
2659   },
2660
2661   /* ---------- element settings (buttons) --------------------------------- */
2662
2663   {
2664     -1,                                 -1,
2665     GADGET_ID_SAVE_AS_TEMPLATE_1,       GADGET_ID_CUSTOM_USE_TEMPLATE_1,
2666     -1,                                 "Save",
2667     NULL, " ",                          "As Template",
2668     "Save current settings as new template"
2669   },
2670   {
2671     -1,                                 -1,
2672     GADGET_ID_ADD_CHANGE_PAGE,          GADGET_ID_PASTE_CHANGE_PAGE,
2673     -1,                                 "New",
2674     NULL, NULL, NULL,                   "Add new change page"
2675   },
2676   {
2677     -1,                                 -1,
2678     GADGET_ID_DEL_CHANGE_PAGE,          GADGET_ID_ADD_CHANGE_PAGE,
2679     -1,                                 "Delete",
2680     NULL, NULL, NULL,                   "Delete current change page"
2681   },
2682 };
2683
2684 static struct
2685 {
2686   int graphic;
2687   int x, y;
2688   int gadget_id;
2689   int gadget_id_align;
2690   char *text_left, *text_right, *infotext;
2691 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
2692 {
2693   {
2694     IMG_EDITOR_COUNTER_DOWN,
2695     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
2696     GADGET_ID_PREV_CHANGE_PAGE,         GADGET_ID_NONE,
2697     NULL, NULL,                         "select previous change page"
2698   },
2699   {
2700     IMG_EDITOR_COUNTER_UP,
2701     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2702     GADGET_ID_NEXT_CHANGE_PAGE,         GADGET_ID_SELECT_CHANGE_PAGE,
2703     NULL, "change page",                "select next change page"
2704   },
2705   {
2706     IMG_GFX_EDITOR_BUTTON_CP_COPY,
2707     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2708     GADGET_ID_COPY_CHANGE_PAGE,         GADGET_ID_NEXT_CHANGE_PAGE,
2709     " ", NULL,                          "copy settings from this change page"
2710   },
2711   {
2712     IMG_GFX_EDITOR_BUTTON_CP_PASTE,
2713     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2714     GADGET_ID_PASTE_CHANGE_PAGE,        GADGET_ID_COPY_CHANGE_PAGE,
2715     NULL, NULL,                         "paste settings to this change page"
2716   },
2717 };
2718
2719 static struct
2720 {
2721   int x, y;
2722 } scrollbutton_pos[ED_NUM_SCROLLBUTTONS];
2723
2724 static struct
2725 {
2726   int graphic;
2727   int gadget_id;
2728   char *infotext;
2729 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
2730 {
2731   {
2732     IMG_EDITOR_PLAYFIELD_SCROLL_UP,
2733     GADGET_ID_SCROLL_UP,
2734     "scroll level editing area up"
2735   },
2736   {
2737     IMG_EDITOR_PLAYFIELD_SCROLL_DOWN,
2738     GADGET_ID_SCROLL_DOWN,
2739     "scroll level editing area down"
2740   },
2741   {
2742     IMG_EDITOR_PLAYFIELD_SCROLL_LEFT,
2743     GADGET_ID_SCROLL_LEFT,
2744     "scroll level editing area left"
2745   },
2746   {
2747     IMG_EDITOR_PLAYFIELD_SCROLL_RIGHT,
2748     GADGET_ID_SCROLL_RIGHT,
2749     "scroll level editing area right"
2750   },
2751   {
2752     IMG_EDITOR_PALETTE_SCROLL_UP,
2753     GADGET_ID_SCROLL_LIST_UP,
2754     "scroll element list up ('Page Up')"
2755   },
2756   {
2757     IMG_EDITOR_PALETTE_SCROLL_DOWN,
2758     GADGET_ID_SCROLL_LIST_DOWN,
2759     "scroll element list down ('Page Down')"
2760   },
2761 };
2762
2763 static struct
2764 {
2765   int x, y;
2766   int width, height;
2767   int wheel_x, wheel_y;
2768   int wheel_width, wheel_height;
2769 } scrollbar_pos[ED_NUM_SCROLLBARS];
2770
2771 static struct
2772 {
2773   int graphic;
2774   int type;
2775   int gadget_id;
2776   char *infotext;
2777 } scrollbar_info[ED_NUM_SCROLLBARS] =
2778 {
2779   {
2780     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
2781     GD_TYPE_SCROLLBAR_HORIZONTAL,
2782     GADGET_ID_SCROLL_HORIZONTAL,
2783     "scroll level editing area horizontally"
2784   },
2785   {
2786     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
2787     GD_TYPE_SCROLLBAR_VERTICAL,
2788     GADGET_ID_SCROLL_VERTICAL,
2789     "scroll level editing area vertically"
2790   },
2791   {
2792     IMG_EDITOR_PALETTE_SCROLLBAR,
2793     GD_TYPE_SCROLLBAR_VERTICAL,
2794     GADGET_ID_SCROLL_LIST_VERTICAL,
2795     "scroll element list vertically"
2796   }
2797 };
2798
2799
2800 static struct
2801 {
2802   int x, y;
2803   int gadget_id;
2804   int gadget_id_align;
2805   int radio_button_nr;
2806   int *value;
2807   int checked_value;
2808   char *text_left, *text_right, *infotext;
2809 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
2810 {
2811   {
2812     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
2813     GADGET_ID_RANDOM_PERCENTAGE,        GADGET_ID_LEVEL_RANDOM_UP,
2814     RADIO_NR_RANDOM_ELEMENTS,
2815     &random_placement_method,           RANDOM_USE_PERCENTAGE,
2816     " ", "percentage",                  "use percentage for random elements"
2817   },
2818   {
2819     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
2820     GADGET_ID_RANDOM_QUANTITY,          GADGET_ID_RANDOM_PERCENTAGE,
2821     RADIO_NR_RANDOM_ELEMENTS,
2822     &random_placement_method,           RANDOM_USE_QUANTITY,
2823     " ", "quantity",                    "use quantity for random elements"
2824   }
2825 };
2826
2827 static struct
2828 {
2829   int x, y;
2830   int gadget_id;
2831   int gadget_id_align;
2832   boolean *value;
2833   char *text_above, *text_left, *text_right, *infotext;
2834 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
2835 {
2836   /* ---------- level and editor settings ---------------------------------- */
2837
2838   {
2839     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
2840     GADGET_ID_AUTO_COUNT_GEMS,          GADGET_ID_NONE,
2841     &level.auto_count_gems,
2842     NULL, NULL,
2843     "automatically count gems needed",  "set counter to number of gems"
2844   },
2845   {
2846     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
2847     GADGET_ID_RANDOM_RESTRICTED,        GADGET_ID_NONE,
2848     &random_placement_background_restricted,
2849     NULL, NULL,
2850     "restrict random placement to:",    "set random placement restriction"
2851   },
2852   {
2853     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
2854     GADGET_ID_CUSTOM_USE_TEMPLATE_3,    GADGET_ID_NONE,
2855     &setup.editor.use_template_for_new_levels,
2856     "Template for new levels and CE/GE:", NULL,
2857     "use template for new levels",      "use template for level properties"
2858   },
2859   {
2860     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
2861     GADGET_ID_CUSTOM_USE_TEMPLATE_2,    GADGET_ID_NONE,
2862     &level.use_custom_template,
2863     NULL, NULL,
2864     "use template for custom elements", "use template for custom properties"
2865   },
2866
2867   /* ---------- element settings: configure (various elements) ------------- */
2868
2869   {
2870     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2871     GADGET_ID_STICK_ELEMENT,            GADGET_ID_NONE,
2872     &stick_element_properties_window,
2873     NULL, NULL,
2874     "stick this screen to edit content","stick this screen to edit content"
2875   },
2876   {
2877     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2878     GADGET_ID_EM_SLIPPERY_GEMS,         GADGET_ID_NONE,
2879     &level.em_slippery_gems,
2880     NULL, NULL,
2881     "slip down from certain flat walls","use EM/DC style slipping behaviour"
2882   },
2883   {
2884     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2885     GADGET_ID_EM_EXPLODES_BY_FIRE,      GADGET_ID_NONE,
2886     &level.em_explodes_by_fire,
2887     NULL, NULL,
2888     "explodes with chain reaction",     "use R'n'D style explosion behaviour"
2889   },
2890   {
2891     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2892     GADGET_ID_USE_SPRING_BUG,           GADGET_ID_NONE,
2893     &level.use_spring_bug,
2894     NULL, NULL,
2895     "use spring pushing bug",           "use odd spring pushing behaviour"
2896   },
2897   {
2898     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2899     GADGET_ID_USE_TIME_ORB_BUG,         GADGET_ID_NONE,
2900     &level.use_time_orb_bug,
2901     NULL, NULL,
2902     "use time orb bug",                 "use odd time orb behaviour"
2903   },
2904   {
2905     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2906     GADGET_ID_RANDOM_BALL_CONTENT,      GADGET_ID_NONE,
2907     &level.ball_random,
2908     NULL, NULL,
2909     "create single random element",     "only create one element from content"
2910   },
2911   {
2912     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2913     GADGET_ID_INITIAL_BALL_STATE,       GADGET_ID_NONE,
2914     &level.ball_state_initial,
2915     NULL, NULL,
2916     "magic ball initially activated",   "activate magic ball after level start"
2917   },
2918   {
2919     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2920     GADGET_ID_GROW_INTO_DIGGABLE,       GADGET_ID_NONE,
2921     &level.grow_into_diggable,
2922     NULL, NULL,
2923     "can grow into anything diggable",  "grow into more than just sand"
2924   },
2925   {
2926     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2927     GADGET_ID_AUTO_EXIT_SOKOBAN,        GADGET_ID_NONE,
2928     &level.auto_exit_sokoban,
2929     NULL, NULL,
2930     "exit level if all fields solved",  "automatically finish Sokoban levels"
2931   },
2932   {
2933     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
2934     GADGET_ID_CONTINUOUS_SNAPPING,      GADGET_ID_NONE,
2935     &level.continuous_snapping,
2936     NULL, NULL,
2937     "continuous snapping",              "use snapping without releasing key"
2938   },
2939   {
2940     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
2941     GADGET_ID_BLOCK_SNAP_FIELD,         GADGET_ID_NONE,
2942     &level.block_snap_field,
2943     NULL, NULL,
2944     "block snapped field when snapping", "use snapping delay to show animation"
2945   },
2946   {
2947     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2948     GADGET_ID_BLOCK_LAST_FIELD,         GADGET_ID_NONE,
2949     &level.block_last_field,
2950     NULL, NULL,
2951     "block last field when moving",     "player blocks last field when moving"
2952   },
2953   {
2954     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2955     GADGET_ID_SP_BLOCK_LAST_FIELD,      GADGET_ID_NONE,
2956     &level.sp_block_last_field,
2957     NULL, NULL,
2958     "block last field when moving",     "player blocks last field when moving"
2959   },
2960   {
2961     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
2962     GADGET_ID_INSTANT_RELOCATION,       GADGET_ID_NONE,
2963     &level.instant_relocation,
2964     NULL, NULL,
2965     "no scrolling when relocating",     "player gets relocated without delay"
2966   },
2967   {
2968     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2969     GADGET_ID_SHIFTED_RELOCATION,       GADGET_ID_NONE,
2970     &level.shifted_relocation,
2971     NULL, NULL,
2972     "no centering when relocating",     "level not centered after relocation"
2973   },
2974   {
2975     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
2976     GADGET_ID_LAZY_RELOCATION,          GADGET_ID_NONE,
2977     &level.lazy_relocation,
2978     NULL, NULL,
2979     "only redraw off-screen relocation","no redraw if relocation target visible"
2980   },
2981   {
2982     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
2983     GADGET_ID_USE_START_ELEMENT,        GADGET_ID_NONE,
2984     &level.use_start_element[0],
2985     NULL, NULL,
2986     "use level start element:",        "start level at this element's position"
2987   },
2988   {
2989     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
2990     GADGET_ID_USE_ARTWORK_ELEMENT,      GADGET_ID_NONE,
2991     &level.use_artwork_element[0],
2992     NULL, NULL,
2993     "use artwork from element:",        "use player artwork from other element"
2994   },
2995   {
2996     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
2997     GADGET_ID_USE_EXPLOSION_ELEMENT,    GADGET_ID_NONE,
2998     &level.use_explosion_element[0],
2999     NULL, NULL,
3000     "use explosion from element:",      "use explosion properties from element"
3001   },
3002   {
3003     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3004     GADGET_ID_INITIAL_GRAVITY,          GADGET_ID_NONE,
3005     &level.initial_player_gravity[0],
3006     NULL, NULL,
3007     "use initial gravity",              "set initial player gravity"
3008   },
3009   {
3010     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3011     GADGET_ID_USE_INITIAL_INVENTORY,    GADGET_ID_NONE,
3012     &level.use_initial_inventory[0],
3013     NULL, NULL,
3014     "use initial inventory:",           "use collected elements on level start"
3015   },
3016   {
3017     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
3018     GADGET_ID_CAN_PASS_TO_WALKABLE,     GADGET_ID_NONE,
3019     &level.can_pass_to_walkable,
3020     NULL, NULL,
3021     "can pass to walkable element",     "player can pass to empty or walkable"
3022   },
3023   {
3024     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3025     GADGET_ID_CAN_FALL_INTO_ACID,       GADGET_ID_NONE,
3026     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3027     NULL, NULL,
3028     "can fall into acid (with gravity)","player can fall into acid pool"
3029   },
3030   {
3031     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3032     GADGET_ID_CAN_MOVE_INTO_ACID,       GADGET_ID_NONE,
3033     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3034     NULL, NULL,
3035     "can move into acid",               "element can move into acid pool"
3036   },
3037   {
3038     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3039     GADGET_ID_DONT_COLLIDE_WITH,        GADGET_ID_NONE,
3040     &custom_element_properties[EP_DONT_COLLIDE_WITH],
3041     NULL, NULL,
3042     "deadly when colliding with",       "element is deadly when hitting player"
3043   },
3044   {
3045     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3046     GADGET_ID_ENVELOPE_AUTOWRAP,        GADGET_ID_NONE,
3047     &level.envelope[0].autowrap,
3048     NULL, NULL,
3049     "auto-wrap",                        "automatically wrap envelope text"
3050   },
3051   {
3052     -1,                                 ED_ELEMENT_SETTINGS_YPOS(1),
3053     GADGET_ID_ENVELOPE_CENTERED,        GADGET_ID_ENVELOPE_AUTOWRAP,
3054     &level.envelope[0].centered,
3055     NULL, " ",
3056     "centered",                         "automatically center envelope text"
3057   },
3058   {
3059     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3060     GADGET_ID_MM_LASER_RED,             GADGET_ID_NONE,
3061     &level.mm_laser_red,
3062     "choose color components for laser:", NULL,
3063     "red",                              "use red color components in laser"
3064   },
3065   {
3066     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3067     GADGET_ID_MM_LASER_GREEN,           GADGET_ID_NONE,
3068     &level.mm_laser_green,
3069     NULL, NULL,
3070     "green",                            "use green color components in laser"
3071   },
3072   {
3073     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3074     GADGET_ID_MM_LASER_BLUE,            GADGET_ID_NONE,
3075     &level.mm_laser_blue,
3076     NULL, NULL,
3077     "blue",                             "use blue color components in laser"
3078   },
3079   {
3080     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3081     GADGET_ID_DF_LASER_RED,             GADGET_ID_NONE,
3082     &level.df_laser_red,
3083     "choose color components for laser:", NULL,
3084     "red",                              "use red color components in laser"
3085   },
3086   {
3087     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3088     GADGET_ID_DF_LASER_GREEN,           GADGET_ID_NONE,
3089     &level.df_laser_green,
3090     NULL, NULL,
3091     "green",                            "use green color components in laser"
3092   },
3093   {
3094     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3095     GADGET_ID_DF_LASER_BLUE,            GADGET_ID_NONE,
3096     &level.df_laser_blue,
3097     NULL, NULL,
3098     "blue",                             "use blue color components in laser"
3099   },
3100
3101   /* ---------- element settings: configure 1 (custom elements) ----------- */
3102
3103   {
3104     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3105     GADGET_ID_CUSTOM_USE_GRAPHIC,       GADGET_ID_NONE,
3106     &custom_element.use_gfx_element,
3107     NULL, NULL,
3108     "use graphic of element:",          "use existing element graphic"
3109   },
3110   {
3111     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3112     GADGET_ID_CUSTOM_USE_TEMPLATE_1,    GADGET_ID_NONE,
3113     &level.use_custom_template,
3114     NULL, NULL,
3115     "use template",                     "use template for custom properties"
3116   },
3117   {
3118     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3119     GADGET_ID_CUSTOM_ACCESSIBLE,        GADGET_ID_NONE,
3120     &custom_element_properties[EP_ACCESSIBLE],
3121     NULL, NULL,
3122     NULL,                               "player can walk to or pass this field"
3123   },
3124   {
3125     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3126     GADGET_ID_CUSTOM_GRAV_REACHABLE,    GADGET_ID_NONE,
3127     &custom_element_properties[EP_GRAVITY_REACHABLE],
3128     NULL, NULL,
3129     "reachable despite gravity",        "player can walk/dig despite gravity"
3130   },
3131   {
3132     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3133     GADGET_ID_CUSTOM_USE_LAST_VALUE,    GADGET_ID_NONE,
3134     &custom_element.use_last_ce_value,
3135     NULL, NULL,
3136     "use last CE value after change",   "use last CE value after change"
3137   },
3138   {
3139     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3140     GADGET_ID_CUSTOM_WALK_TO_OBJECT,    GADGET_ID_NONE,
3141     &custom_element_properties[EP_WALK_TO_OBJECT],
3142     NULL, NULL,
3143     NULL,                               "player can dig/collect/push element"
3144   },
3145   {
3146     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3147     GADGET_ID_CUSTOM_INDESTRUCTIBLE,    GADGET_ID_NONE,
3148     &custom_element_properties[EP_INDESTRUCTIBLE],
3149     NULL, NULL,
3150     "indestructible",                   "element is indestructible"
3151   },
3152
3153   /* ---------- element settings: configure 2 (custom elements) ----------- */
3154
3155   {
3156     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3157     GADGET_ID_CUSTOM_CAN_MOVE,          GADGET_ID_NONE,
3158     &custom_element_properties[EP_CAN_MOVE],
3159     NULL, NULL,
3160     NULL,                               "element can move with some pattern"
3161   },
3162   {
3163     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
3164     GADGET_ID_CUSTOM_CAN_FALL,          GADGET_ID_NONE,
3165     &custom_element_properties[EP_CAN_FALL],
3166     NULL, NULL,
3167     "can fall",                         "element can fall down"
3168   },
3169   {
3170     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
3171     GADGET_ID_CUSTOM_CAN_SMASH,         GADGET_ID_CUSTOM_CAN_FALL,
3172     &custom_element_properties[EP_CAN_SMASH],
3173     NULL, " ",
3174     NULL,                               "element can smash other elements"
3175   },
3176   {
3177     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3178     GADGET_ID_CUSTOM_SLIPPERY,          GADGET_ID_NONE,
3179     &custom_element_properties[EP_SLIPPERY],
3180     NULL, NULL,
3181     NULL,                               "other elements can fall down from it"
3182   },
3183   {
3184     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3185     GADGET_ID_CUSTOM_DEADLY,            GADGET_ID_NONE,
3186     &custom_element_properties[EP_DEADLY],
3187     NULL, NULL,
3188     NULL,                               "element can kill the player"
3189   },
3190   {
3191     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3192     GADGET_ID_CUSTOM_CAN_EXPLODE,       GADGET_ID_NONE,
3193     &custom_element_properties[EP_CAN_EXPLODE],
3194     NULL, NULL,
3195     NULL,                               "element can explode"
3196   },
3197   {
3198     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(11),
3199     GADGET_ID_CUSTOM_EXPLODE_FIRE,      GADGET_ID_NONE,
3200     &custom_element_properties[EP_EXPLODES_BY_FIRE],
3201     NULL, NULL,
3202     "by fire",                          "element can explode by fire/explosion"
3203   },
3204   {
3205     -1,                                 ED_ELEMENT_SETTINGS_YPOS(11),
3206     GADGET_ID_CUSTOM_EXPLODE_SMASH,     GADGET_ID_CUSTOM_EXPLODE_FIRE,
3207     &custom_element_properties[EP_EXPLODES_SMASHED],
3208     NULL, " ",
3209     "smashed",                          "element can explode when smashed"
3210   },
3211   {
3212     -1,                                 ED_ELEMENT_SETTINGS_YPOS(11),
3213     GADGET_ID_CUSTOM_EXPLODE_IMPACT,    GADGET_ID_CUSTOM_EXPLODE_SMASH,
3214     &custom_element_properties[EP_EXPLODES_IMPACT],
3215     NULL, " ",
3216     "impact",                           "element can explode on impact"
3217   },
3218
3219   /* ---------- element settings: advanced (custom elements) --------------- */
3220
3221   {
3222     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3223     GADGET_ID_CUSTOM_CAN_CHANGE,        GADGET_ID_NONE,
3224     &custom_element_change.can_change,
3225     NULL, NULL,
3226     "element changes to:",              "change element on specified condition"
3227   },
3228   {
3229     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
3230     GADGET_ID_CHANGE_DELAY,             GADGET_ID_NONE,
3231     &custom_element_change_events[CE_DELAY],
3232     NULL, NULL,
3233     NULL,                               "element changes after delay"
3234   },
3235   {
3236     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
3237     GADGET_ID_CHANGE_BY_DIRECT_ACT,     GADGET_ID_NONE,
3238     &custom_element_change_events[CE_BY_DIRECT_ACTION],
3239     NULL, NULL,
3240     NULL,                               "element changes by direct action"
3241   },
3242   {
3243     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
3244     GADGET_ID_CHANGE_BY_OTHER_ACT,      GADGET_ID_NONE,
3245     &custom_element_change_events[CE_BY_OTHER_ACTION],
3246     NULL, NULL,
3247     NULL,                               "element changes by other element"
3248   },
3249   {
3250     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
3251     GADGET_ID_CHANGE_USE_EXPLOSION,     GADGET_ID_NONE,
3252     &custom_element_change.explode,
3253     NULL, NULL,
3254     "explode instead of change",        "element explodes instead of change"
3255   },
3256   {
3257     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
3258     GADGET_ID_CHANGE_USE_CONTENT,       GADGET_ID_NONE,
3259     &custom_element_change.use_target_content,
3260     NULL, NULL,
3261     "use extended change target:",      "element changes to more elements"
3262   },
3263   {
3264     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(11),
3265     GADGET_ID_CHANGE_ONLY_COMPLETE,     GADGET_ID_NONE,
3266     &custom_element_change.only_if_complete,
3267     NULL, NULL,
3268     "replace all or nothing",           "only replace when all can be changed"
3269   },
3270   {
3271     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(12),
3272     GADGET_ID_CHANGE_USE_RANDOM,        GADGET_ID_NONE,
3273     &custom_element_change.use_random_replace,
3274     NULL, NULL,
3275     NULL,                               "use percentage for random replace"
3276   },
3277   {
3278     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3279     GADGET_ID_CHANGE_HAS_ACTION,        GADGET_ID_NONE,
3280     &custom_element_change.has_action,
3281     NULL, NULL,
3282     NULL,                               "execute action on specified condition"
3283   },
3284 };
3285
3286 static struct
3287 {
3288   int x, y;
3289   int xoffset, yoffset;
3290   int gadget_id;
3291   int gadget_id_align;
3292   int *value;
3293   int area_xsize, area_ysize;
3294   char *text_left, *text_right, *text_below, *infotext;
3295 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
3296 {
3297   /* ---------- level playfield content ------------------------------------ */
3298
3299   {
3300     0,                                  0,
3301     0,                                  0,
3302     GADGET_ID_DRAWING_LEVEL,            GADGET_ID_NONE,
3303     NULL,
3304     -1, -1,     /* these values are not constant, but can change at runtime */
3305     NULL, NULL, NULL,                   NULL
3306   },
3307
3308   /* ---------- yam yam content -------------------------------------------- */
3309
3310   {
3311     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3312     ED_AREA_YAMYAM_CONTENT_XOFF(0),     ED_AREA_YAMYAM_CONTENT_YOFF(0),
3313     GADGET_ID_YAMYAM_CONTENT_0,         GADGET_ID_NONE,
3314     &level.yamyam_content[0].e[0][0],   3, 3,
3315     NULL, NULL, "1",                    NULL
3316   },
3317   {
3318     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3319     ED_AREA_YAMYAM_CONTENT_XOFF(1),     ED_AREA_YAMYAM_CONTENT_YOFF(1),
3320     GADGET_ID_YAMYAM_CONTENT_1,         GADGET_ID_NONE,
3321     &level.yamyam_content[1].e[0][0],   3, 3,
3322     NULL, NULL, "2",                    NULL
3323   },
3324   {
3325     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3326     ED_AREA_YAMYAM_CONTENT_XOFF(2),     ED_AREA_YAMYAM_CONTENT_YOFF(2),
3327     GADGET_ID_YAMYAM_CONTENT_2,         GADGET_ID_NONE,
3328     &level.yamyam_content[2].e[0][0],   3, 3,
3329     NULL, NULL, "3",                    NULL
3330   },
3331   {
3332     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3333     ED_AREA_YAMYAM_CONTENT_XOFF(3),     ED_AREA_YAMYAM_CONTENT_YOFF(3),
3334     GADGET_ID_YAMYAM_CONTENT_3,         GADGET_ID_NONE,
3335     &level.yamyam_content[3].e[0][0],   3, 3,
3336     NULL, NULL, "4",                    NULL
3337   },
3338   {
3339     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3340     ED_AREA_YAMYAM_CONTENT_XOFF(4),     ED_AREA_YAMYAM_CONTENT_YOFF(4),
3341     GADGET_ID_YAMYAM_CONTENT_4,         GADGET_ID_NONE,
3342     &level.yamyam_content[4].e[0][0],   3, 3,
3343     NULL, NULL, "5",                    NULL
3344   },
3345   {
3346     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3347     ED_AREA_YAMYAM_CONTENT_XOFF(5),     ED_AREA_YAMYAM_CONTENT_YOFF(5),
3348     GADGET_ID_YAMYAM_CONTENT_5,         GADGET_ID_NONE,
3349     &level.yamyam_content[5].e[0][0],   3, 3,
3350     NULL, NULL, "6",                    NULL
3351   },
3352   {
3353     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3354     ED_AREA_YAMYAM_CONTENT_XOFF(6),     ED_AREA_YAMYAM_CONTENT_YOFF(6),
3355     GADGET_ID_YAMYAM_CONTENT_6,         GADGET_ID_NONE,
3356     &level.yamyam_content[6].e[0][0],   3, 3,
3357     NULL, NULL, "7",                    NULL
3358   },
3359   {
3360     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3361     ED_AREA_YAMYAM_CONTENT_XOFF(7),     ED_AREA_YAMYAM_CONTENT_YOFF(7),
3362     GADGET_ID_YAMYAM_CONTENT_7,         GADGET_ID_NONE,
3363     &level.yamyam_content[7].e[0][0],   3, 3,
3364     NULL, NULL, "8",                    NULL
3365   },
3366
3367   /* ---------- magic ball content ----------------------------------------- */
3368
3369   {
3370     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3371     ED_AREA_MAGIC_BALL_CONTENT_XOFF(0), ED_AREA_MAGIC_BALL_CONTENT_YOFF(0),
3372     GADGET_ID_MAGIC_BALL_CONTENT_0,     GADGET_ID_NONE,
3373     &level.ball_content[0].e[0][0],     3, 3,
3374     NULL, NULL, "1",                    NULL
3375   },
3376   {
3377     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3378     ED_AREA_MAGIC_BALL_CONTENT_XOFF(1), ED_AREA_MAGIC_BALL_CONTENT_YOFF(1),
3379     GADGET_ID_MAGIC_BALL_CONTENT_1,     GADGET_ID_NONE,
3380     &level.ball_content[1].e[0][0],     3, 3,
3381     NULL, NULL, "2",                    NULL
3382   },
3383   {
3384     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3385     ED_AREA_MAGIC_BALL_CONTENT_XOFF(2), ED_AREA_MAGIC_BALL_CONTENT_YOFF(2),
3386     GADGET_ID_MAGIC_BALL_CONTENT_2,     GADGET_ID_NONE,
3387     &level.ball_content[2].e[0][0],     3, 3,
3388     NULL, NULL, "3",                    NULL
3389   },
3390   {
3391     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3392     ED_AREA_MAGIC_BALL_CONTENT_XOFF(3), ED_AREA_MAGIC_BALL_CONTENT_YOFF(3),
3393     GADGET_ID_MAGIC_BALL_CONTENT_3,     GADGET_ID_NONE,
3394     &level.ball_content[3].e[0][0],     3, 3,
3395     NULL, NULL, "4",                    NULL
3396   },
3397   {
3398     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3399     ED_AREA_MAGIC_BALL_CONTENT_XOFF(4), ED_AREA_MAGIC_BALL_CONTENT_YOFF(4),
3400     GADGET_ID_MAGIC_BALL_CONTENT_4,     GADGET_ID_NONE,
3401     &level.ball_content[4].e[0][0],     3, 3,
3402     NULL, NULL, "5",                    NULL
3403   },
3404   {
3405     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3406     ED_AREA_MAGIC_BALL_CONTENT_XOFF(5), ED_AREA_MAGIC_BALL_CONTENT_YOFF(5),
3407     GADGET_ID_MAGIC_BALL_CONTENT_5,     GADGET_ID_NONE,
3408     &level.ball_content[5].e[0][0],     3, 3,
3409     NULL, NULL, "6",                    NULL
3410   },
3411   {
3412     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3413     ED_AREA_MAGIC_BALL_CONTENT_XOFF(6), ED_AREA_MAGIC_BALL_CONTENT_YOFF(6),
3414     GADGET_ID_MAGIC_BALL_CONTENT_6,     GADGET_ID_NONE,
3415     &level.ball_content[6].e[0][0],     3, 3,
3416     NULL, NULL, "7",                    NULL
3417   },
3418   {
3419     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3420     ED_AREA_MAGIC_BALL_CONTENT_XOFF(7), ED_AREA_MAGIC_BALL_CONTENT_YOFF(7),
3421     GADGET_ID_MAGIC_BALL_CONTENT_7,     GADGET_ID_NONE,
3422     &level.ball_content[7].e[0][0],     3, 3,
3423     NULL, NULL, "8",                    NULL
3424   },
3425
3426   /* ---------- android content -------------------------------------------- */
3427
3428   {
3429     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(5),
3430     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3431     GADGET_ID_ANDROID_CONTENT,          GADGET_ID_NONE,
3432     &level.android_clone_element[0],    MAX_ANDROID_ELEMENTS, 1,
3433     "elements:", NULL, NULL,            "elements android can clone"
3434   },
3435
3436   /* ---------- amoeba content --------------------------------------------- */
3437
3438   {
3439     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(3),
3440     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3441     GADGET_ID_AMOEBA_CONTENT,           GADGET_ID_NONE,
3442     &level.amoeba_content,              1, 1,
3443     "content:", NULL, NULL,             "amoeba content"
3444   },
3445
3446   /* ---------- level start element ---------------------------------------- */
3447
3448   {
3449     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(10),
3450     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3451     GADGET_ID_START_ELEMENT,            GADGET_ID_USE_START_ELEMENT,
3452     &level.start_element[0],            1, 1,
3453     NULL, NULL, NULL,                   "level start element"
3454   },
3455
3456   /* ---------- player artwork element ------------------------------------- */
3457
3458   {
3459     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(11),
3460     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3461     GADGET_ID_ARTWORK_ELEMENT,          GADGET_ID_USE_ARTWORK_ELEMENT,
3462     &level.artwork_element[0],          1, 1,
3463     NULL, NULL, NULL,                   "element for player artwork"
3464   },
3465
3466   /* ---------- player explosion element ----------------------------------- */
3467
3468   {
3469     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(12),
3470     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3471     GADGET_ID_EXPLOSION_ELEMENT,        GADGET_ID_USE_EXPLOSION_ELEMENT,
3472     &level.explosion_element[0],        1, 1,
3473     NULL, NULL, NULL,                   "element for player explosion"
3474   },
3475
3476   /* ---------- player initial inventory ----------------------------------- */
3477
3478   {
3479     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3480     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3481     GADGET_ID_INVENTORY_CONTENT,        GADGET_ID_USE_INITIAL_INVENTORY,
3482     &level.initial_inventory_content[0][0], MAX_INITIAL_INVENTORY_SIZE, 1,
3483     NULL, NULL, NULL,                   "content for initial inventory"
3484   },
3485
3486   /* ---------- element settings: configure 1 (custom elements) ----------- */
3487
3488   /* ---------- custom graphic --------------------------------------------- */
3489
3490   {
3491     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3492     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3493     GADGET_ID_CUSTOM_GRAPHIC,           GADGET_ID_CUSTOM_USE_GRAPHIC,
3494     &custom_element.gfx_element_initial,1, 1,
3495     NULL, NULL, NULL,                   "custom graphic element"
3496   },
3497
3498   /* ---------- element settings: configure 2 (custom elements) ----------- */
3499
3500   /* ---------- custom content (when exploding) ---------------------------- */
3501
3502   {
3503     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(10),
3504     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
3505     GADGET_ID_CUSTOM_CONTENT,           GADGET_ID_NONE, /* align three rows */
3506     &custom_element.content.e[0][0],    3, 3,
3507     "content:", NULL, NULL,             NULL
3508   },
3509
3510   /* ---------- custom enter and leave element (when moving) --------------- */
3511
3512   {
3513     ED_AREA_1X1_SETTINGS_XPOS(1),       ED_AREA_1X1_SETTINGS_YPOS(3),
3514     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3515     GADGET_ID_CUSTOM_MOVE_ENTER,        GADGET_ID_NONE,
3516     &custom_element.move_enter_element, 1, 1,
3517     "can dig:", " ", NULL,              "element that can be digged/collected"
3518   },
3519   {
3520     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(3),
3521     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3522     GADGET_ID_CUSTOM_MOVE_LEAVE,        GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
3523     &custom_element.move_leave_element, 1, 1,
3524     NULL, NULL, NULL,                   "element that will be left behind"
3525   },
3526
3527   /* ---------- element settings: advanced (custom elements) --------------- */
3528
3529   /* ---------- custom change target --------------------------------------- */
3530
3531   {
3532     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3533     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3534     GADGET_ID_CUSTOM_CHANGE_TARGET,     GADGET_ID_CUSTOM_CAN_CHANGE,
3535     &custom_element_change.target_element, 1, 1,
3536     NULL, "after/when:", NULL,          "new target element after change"
3537   },
3538
3539   /* ---------- custom change content (extended change target) ------------- */
3540
3541   {
3542     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(9),
3543     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
3544     GADGET_ID_CUSTOM_CHANGE_CONTENT,    GADGET_ID_NONE, /* align three rows */
3545     &custom_element_change.target_content.e[0][0], 3, 3,
3546     NULL, NULL, NULL,                   "new extended elements after change"
3547   },
3548
3549   /* ---------- custom change trigger (element causing change) ------------- */
3550
3551   {
3552     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(5),
3553     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3554     GADGET_ID_CUSTOM_CHANGE_TRIGGER,    GADGET_ID_CHANGE_OTHER_ACTION,
3555     &custom_element_change.initial_trigger_element, 1, 1,
3556     NULL, NULL, NULL,                   "other element triggering change"
3557   },
3558
3559   /* ---------- custom change action (element used for action) ------------- */
3560
3561   {
3562     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(13),
3563     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3564     GADGET_ID_CUSTOM_CHANGE_ACTION,     GADGET_ID_ACTION_ARG,
3565     &custom_element_change.action_element, 1, 1,
3566     NULL, NULL, NULL,                   "element used as action parameter"
3567   },
3568
3569   /* ---------- group element content -------------------------------------- */
3570
3571   {
3572     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
3573     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3574     GADGET_ID_GROUP_CONTENT,            GADGET_ID_NONE,
3575     &group_element_info.element[0],     MAX_ELEMENTS_IN_GROUP, 1,
3576     "content:", NULL, NULL,             NULL
3577   },
3578
3579   /* ---------- random background (for random painting) -------------------- */
3580
3581   {
3582     -1,                                 ED_AREA_1X1_LSETTINGS_YPOS(1),
3583     0,                                  ED_AREA_1X1_LSETTINGS_YOFF,
3584     GADGET_ID_RANDOM_BACKGROUND,        GADGET_ID_RANDOM_RESTRICTED,
3585     &random_placement_background_element, 1, 1,
3586     NULL, NULL, NULL,                   "random placement background"
3587   },
3588 };
3589
3590
3591 /*
3592   -----------------------------------------------------------------------------
3593   some internally used variables
3594   -----------------------------------------------------------------------------
3595 */
3596
3597 /* maximal size of level editor drawing area */
3598 static int MAX_ED_FIELDX, MAX_ED_FIELDY;
3599
3600 /* actual size of level editor drawing area */
3601 static int ed_fieldx, ed_fieldy;
3602
3603 /* actual position of level editor drawing area in level playfield */
3604 static int level_xpos = -1, level_ypos = -1;
3605
3606 /* actual tile size used to display playfield drawing area */
3607 static int ed_tilesize = DEFAULT_EDITOR_TILESIZE;
3608
3609 #define IN_ED_FIELD(x,y)        IN_FIELD(x, y, ed_fieldx, ed_fieldy)
3610
3611 /* drawing elements on the three mouse buttons */
3612 static int new_element1 = EL_WALL;
3613 static int new_element2 = EL_EMPTY;
3614 static int new_element3 = EL_SAND;
3615
3616 #define IS_VALID_BUTTON(button) (button >= 1 && button <= 3)
3617 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
3618                                 (button) == 2 ? new_element2 : \
3619                                 (button) == 3 ? new_element3 : EL_EMPTY)
3620
3621 #define BUTTON_TILE_SIZE(x)     ((x) >= TILESIZE ? TILESIZE : MINI_TILESIZE)
3622
3623 static int use_permanent_palette = TRUE;
3624
3625 #define PX              (use_permanent_palette ? DX : SX)
3626 #define PY              (use_permanent_palette ? DY : SY)
3627 #define PXSIZE          (use_permanent_palette ? DXSIZE : SXSIZE)
3628 #define PYSIZE          (use_permanent_palette ? DYSIZE : SYSIZE)
3629
3630 /* forward declaration for internal use */
3631 static void ModifyEditorCounterValue(int, int);
3632 static void ModifyEditorCounterLimits(int, int, int);
3633 static void ModifyEditorSelectboxValue(int, int);
3634 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
3635 static void ModifyEditorDrawingArea(int, int, int);
3636 static void ModifyEditorElementList();
3637 static void AdjustElementListScrollbar();
3638 static void RedrawDrawingElements();
3639 static void DrawDrawingWindow();
3640 static void DrawLevelInfoWindow();
3641 static void DrawPropertiesWindow();
3642 static void DrawPaletteWindow();
3643 static void UpdateCustomElementGraphicGadgets();
3644 static boolean checkPropertiesConfig(int);
3645 static void SetAutomaticNumberOfGemsNeeded();
3646 static void ClearEditorGadgetInfoText();
3647 static void CopyLevelToUndoBuffer(int);
3648 static void HandleDrawingAreas(struct GadgetInfo *);
3649 static void HandleCounterButtons(struct GadgetInfo *);
3650 static void HandleTextInputGadgets(struct GadgetInfo *);
3651 static void HandleTextAreaGadgets(struct GadgetInfo *);
3652 static void HandleSelectboxGadgets(struct GadgetInfo *);
3653 static void HandleTextbuttonGadgets(struct GadgetInfo *);
3654 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
3655 static void HandleRadiobuttons(struct GadgetInfo *);
3656 static void HandleCheckbuttons(struct GadgetInfo *);
3657 static void HandleControlButtons(struct GadgetInfo *);
3658 static void HandleDrawingAreaInfo(struct GadgetInfo *);
3659 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
3660 static boolean AskToCopyAndModifyLevelTemplate();
3661
3662 static int num_editor_gadgets = 0;      /* dynamically determined */
3663
3664 static struct GadgetInfo **level_editor_gadget = NULL;
3665 static int *right_gadget_border = NULL;
3666
3667 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
3668 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
3669 static boolean draw_with_brush = FALSE;
3670 static int properties_element = 0;
3671
3672 static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3673 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3674 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3675 static int undo_buffer_position = 0;
3676 static int undo_buffer_steps = 0;
3677 static int redo_buffer_steps = 0;
3678
3679 static int edit_mode;
3680 static int edit_mode_levelinfo;
3681 static int edit_mode_properties;
3682
3683 static int element_shift = 0;
3684
3685 static int editor_el_players[] =
3686 {
3687   EL_PLAYER_1,
3688   EL_PLAYER_2,
3689   EL_PLAYER_3,
3690   EL_PLAYER_4
3691 };
3692 static int *editor_el_players_ptr = editor_el_players;
3693 static int num_editor_el_players = SIZEOF_ARRAY_INT(editor_el_players);
3694
3695 static int editor_hl_boulderdash[] =
3696 {
3697   EL_INTERNAL_CASCADE_BD_ACTIVE,
3698   EL_CHAR('B'),
3699   EL_CHAR('D'),
3700   EL_EMPTY,
3701 };
3702
3703 static int editor_el_boulderdash[] =
3704 {
3705   EL_EMPTY,
3706   EL_SAND,
3707   EL_BD_ROCK,
3708   EL_BD_DIAMOND,
3709
3710   EL_STEELWALL,
3711   EL_BD_WALL,
3712   EL_BD_EXPANDABLE_WALL,
3713   EL_BD_MAGIC_WALL,
3714
3715   EL_BD_AMOEBA,
3716   EL_BD_BUTTERFLY_UP,
3717   EL_BD_FIREFLY_UP,
3718   EL_EXIT_CLOSED,
3719
3720   EL_BD_BUTTERFLY_LEFT,
3721   EL_BD_FIREFLY_LEFT,
3722   EL_BD_BUTTERFLY_RIGHT,
3723   EL_BD_FIREFLY_RIGHT,
3724
3725   EL_EMPTY,
3726   EL_BD_BUTTERFLY_DOWN,
3727   EL_BD_FIREFLY_DOWN,
3728   EL_EXIT_OPEN,
3729 };
3730 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
3731 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
3732 static int num_editor_hl_boulderdash = SIZEOF_ARRAY_INT(editor_hl_boulderdash);
3733 static int num_editor_el_boulderdash = SIZEOF_ARRAY_INT(editor_el_boulderdash);
3734
3735 static int editor_hl_emerald_mine[] =
3736 {
3737   EL_INTERNAL_CASCADE_EM_ACTIVE,
3738   EL_CHAR('E'),
3739   EL_CHAR('M'),
3740   EL_EMPTY,
3741 };
3742
3743 static int editor_el_emerald_mine[] =
3744 {
3745   EL_SAND,
3746   EL_ROCK,
3747   EL_QUICKSAND_EMPTY,
3748   EL_QUICKSAND_FULL,
3749
3750   EL_STEELWALL,
3751   EL_WALL,
3752   EL_WALL_SLIPPERY,
3753   EL_MAGIC_WALL,
3754
3755   EL_EMERALD,
3756   EL_DIAMOND,
3757   EL_NUT,
3758   EL_BOMB,
3759
3760   EL_WALL_EMERALD,
3761   EL_WALL_DIAMOND,
3762   EL_DYNAMITE,
3763   EL_DYNAMITE_ACTIVE,
3764
3765   EL_YAMYAM,
3766   EL_BUG_UP,
3767   EL_SPACESHIP_UP,
3768   EL_ROBOT,
3769
3770   EL_BUG_LEFT,
3771   EL_SPACESHIP_LEFT,
3772   EL_BUG_RIGHT,
3773   EL_SPACESHIP_RIGHT,
3774
3775   EL_ROBOT_WHEEL,
3776   EL_BUG_DOWN,
3777   EL_SPACESHIP_DOWN,
3778   EL_INVISIBLE_WALL,
3779
3780   EL_ACID_POOL_TOPLEFT,
3781   EL_ACID,
3782   EL_ACID_POOL_TOPRIGHT,
3783   EL_AMOEBA_DROP,
3784
3785   EL_ACID_POOL_BOTTOMLEFT,
3786   EL_ACID_POOL_BOTTOM,
3787   EL_ACID_POOL_BOTTOMRIGHT,
3788   EL_AMOEBA_WET,
3789
3790   EL_EM_KEY_1,
3791   EL_EM_KEY_2,
3792   EL_EM_KEY_3,
3793   EL_EM_KEY_4,
3794
3795   EL_EM_GATE_1,
3796   EL_EM_GATE_2,
3797   EL_EM_GATE_3,
3798   EL_EM_GATE_4,
3799
3800   EL_EM_GATE_1_GRAY,
3801   EL_EM_GATE_2_GRAY,
3802   EL_EM_GATE_3_GRAY,
3803   EL_EM_GATE_4_GRAY,
3804
3805   EL_EM_EXIT_CLOSED,
3806   EL_EM_EXIT_OPEN,
3807   EL_EM_STEEL_EXIT_CLOSED,
3808   EL_EM_STEEL_EXIT_OPEN,
3809 };
3810 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
3811 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
3812 static int num_editor_hl_emerald_mine=SIZEOF_ARRAY_INT(editor_hl_emerald_mine);
3813 static int num_editor_el_emerald_mine=SIZEOF_ARRAY_INT(editor_el_emerald_mine);
3814
3815 static int editor_hl_emerald_mine_club[] =
3816 {
3817   EL_INTERNAL_CASCADE_EMC_ACTIVE,
3818   EL_CHAR('E'),
3819   EL_CHAR('M'),
3820   EL_CHAR('C'),
3821 };
3822
3823 static int editor_el_emerald_mine_club[] =
3824 {
3825   EL_EMC_KEY_5,
3826   EL_EMC_KEY_6,
3827   EL_EMC_KEY_7,
3828   EL_EMC_KEY_8,
3829
3830   EL_EMC_GATE_5,
3831   EL_EMC_GATE_6,
3832   EL_EMC_GATE_7,
3833   EL_EMC_GATE_8,
3834
3835   EL_EMC_GATE_5_GRAY,
3836   EL_EMC_GATE_6_GRAY,
3837   EL_EMC_GATE_7_GRAY,
3838   EL_EMC_GATE_8_GRAY,
3839
3840   EL_EMC_STEELWALL_1,
3841   EL_EMC_STEELWALL_2,
3842   EL_EMC_STEELWALL_3,
3843   EL_EMC_STEELWALL_4,
3844
3845   EL_EMC_WALL_13,
3846   EL_EMC_WALL_14,
3847   EL_EMC_WALL_15,
3848   EL_EMC_WALL_16,
3849
3850   EL_EMC_WALL_SLIPPERY_1,
3851   EL_EMC_WALL_SLIPPERY_2,
3852   EL_EMC_WALL_SLIPPERY_3,
3853   EL_EMC_WALL_SLIPPERY_4,
3854
3855   EL_EMC_WALL_1,
3856   EL_EMC_WALL_2,
3857   EL_EMC_WALL_3,
3858   EL_EMC_WALL_4,
3859
3860   EL_EMC_WALL_5,
3861   EL_EMC_WALL_6,
3862   EL_EMC_WALL_7,
3863   EL_EMC_WALL_8,
3864
3865   EL_EMC_WALL_9,
3866   EL_EMC_WALL_10,
3867   EL_EMC_WALL_11,
3868   EL_EMC_WALL_12,
3869
3870   EL_EMC_GRASS,
3871   EL_EMC_FAKE_GRASS,
3872   EL_EMC_PLANT,
3873   EL_EMC_DRIPPER,
3874
3875   EL_EMC_MAGIC_BALL,
3876   EL_EMC_MAGIC_BALL_SWITCH,
3877   EL_SPRING,
3878   EL_EMC_SPRING_BUMPER,
3879
3880   EL_EMC_LENSES,
3881   EL_EMC_MAGNIFIER,
3882   EL_EM_DYNAMITE,
3883   EL_EM_DYNAMITE_ACTIVE,
3884
3885   EL_BALLOON,
3886   EL_YAMYAM_UP,
3887   EL_BALLOON_SWITCH_UP,
3888   EL_BALLOON_SWITCH_ANY,
3889
3890   EL_YAMYAM_LEFT,
3891   EL_BALLOON_SWITCH_LEFT,
3892   EL_YAMYAM_RIGHT,
3893   EL_BALLOON_SWITCH_RIGHT,
3894
3895   EL_EMC_ANDROID,
3896   EL_YAMYAM_DOWN,
3897   EL_BALLOON_SWITCH_DOWN,
3898   EL_BALLOON_SWITCH_NONE,
3899 };
3900 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
3901 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
3902 static int num_editor_hl_emerald_mine_club=SIZEOF_ARRAY_INT(editor_hl_emerald_mine_club);
3903 static int num_editor_el_emerald_mine_club=SIZEOF_ARRAY_INT(editor_el_emerald_mine_club);
3904
3905 static int editor_hl_rnd[] =
3906 {
3907   EL_INTERNAL_CASCADE_RND_ACTIVE,
3908   EL_CHAR('R'),
3909   EL_CHAR('N'),
3910   EL_CHAR('D'),
3911 };
3912
3913 static int editor_el_rnd[] =
3914 {
3915   EL_KEY_1,
3916   EL_KEY_2,
3917   EL_KEY_3,
3918   EL_KEY_4,
3919
3920   EL_GATE_1,
3921   EL_GATE_2,
3922   EL_GATE_3,
3923   EL_GATE_4,
3924
3925   EL_GATE_1_GRAY,
3926   EL_GATE_2_GRAY,
3927   EL_GATE_3_GRAY,
3928   EL_GATE_4_GRAY,
3929
3930   EL_ARROW_LEFT,
3931   EL_ARROW_RIGHT,
3932   EL_ARROW_UP,
3933   EL_ARROW_DOWN,
3934
3935   EL_AMOEBA_DEAD,
3936   EL_AMOEBA_DRY,
3937   EL_AMOEBA_FULL,
3938   EL_GAME_OF_LIFE,
3939
3940   EL_EMERALD_YELLOW,
3941   EL_EMERALD_RED,
3942   EL_EMERALD_PURPLE,
3943   EL_BIOMAZE,
3944
3945   EL_WALL_EMERALD_YELLOW,
3946   EL_WALL_EMERALD_RED,
3947   EL_WALL_EMERALD_PURPLE,
3948   EL_WALL_BD_DIAMOND,
3949
3950   EL_SPEED_PILL,
3951   EL_PACMAN_UP,
3952   EL_TIME_ORB_FULL,
3953   EL_TIME_ORB_EMPTY,
3954
3955   EL_PACMAN_LEFT,
3956   EL_DARK_YAMYAM,
3957   EL_PACMAN_RIGHT,
3958   EL_EMPTY,
3959
3960   EL_BLACK_ORB,
3961   EL_PACMAN_DOWN,
3962   EL_LAMP,
3963   EL_LAMP_ACTIVE,
3964
3965   EL_DYNABOMB_INCREASE_NUMBER,
3966   EL_DYNABOMB_INCREASE_SIZE,
3967   EL_DYNABOMB_INCREASE_POWER,
3968   EL_STONEBLOCK,
3969
3970   EL_MOLE,
3971   EL_PENGUIN,
3972   EL_PIG,
3973   EL_DRAGON,
3974
3975   EL_BUG,
3976   EL_MOLE_UP,
3977   EL_BD_BUTTERFLY,
3978   EL_BD_FIREFLY,
3979
3980   EL_MOLE_LEFT,
3981   EL_SATELLITE,
3982   EL_MOLE_RIGHT,
3983   EL_PACMAN,
3984
3985   EL_SPACESHIP,
3986   EL_MOLE_DOWN,
3987   EL_INVISIBLE_STEELWALL,
3988   EL_INVISIBLE_WALL,
3989
3990   EL_EXPANDABLE_WALL,
3991   EL_EXPANDABLE_WALL_HORIZONTAL,
3992   EL_EXPANDABLE_WALL_VERTICAL,
3993   EL_EXPANDABLE_WALL_ANY,
3994 };
3995 static int *editor_hl_rnd_ptr = editor_hl_rnd;
3996 static int *editor_el_rnd_ptr = editor_el_rnd;
3997 static int num_editor_hl_rnd = SIZEOF_ARRAY_INT(editor_hl_rnd);
3998 static int num_editor_el_rnd = SIZEOF_ARRAY_INT(editor_el_rnd);
3999
4000 static int editor_hl_sokoban[] =
4001 {
4002   EL_INTERNAL_CASCADE_SB_ACTIVE,
4003   EL_CHAR('S'),
4004   EL_CHAR('B'),
4005   EL_EMPTY,
4006 };
4007
4008 static int editor_el_sokoban[] =
4009 {
4010   EL_SOKOBAN_OBJECT,
4011   EL_SOKOBAN_FIELD_EMPTY,
4012   EL_SOKOBAN_FIELD_FULL,
4013   EL_SOKOBAN_FIELD_PLAYER,
4014 };
4015 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
4016 static int *editor_el_sokoban_ptr = editor_el_sokoban;
4017 static int num_editor_hl_sokoban = SIZEOF_ARRAY_INT(editor_hl_sokoban);
4018 static int num_editor_el_sokoban = SIZEOF_ARRAY_INT(editor_el_sokoban);
4019
4020 static int editor_hl_supaplex[] =
4021 {
4022   EL_INTERNAL_CASCADE_SP_ACTIVE,
4023   EL_CHAR('S'),
4024   EL_CHAR('P'),
4025   EL_EMPTY,
4026 };
4027
4028 static int editor_el_supaplex[] =
4029 {
4030   EL_SP_MURPHY,
4031   EL_EMPTY,
4032   EL_SP_BASE,
4033   EL_SP_BUGGY_BASE,
4034
4035   EL_SP_INFOTRON,
4036   EL_SP_ZONK,
4037   EL_SP_SNIKSNAK,
4038   EL_SP_ELECTRON,
4039
4040   EL_SP_DISK_RED,
4041   EL_SP_DISK_ORANGE,
4042   EL_SP_DISK_YELLOW,
4043   EL_SP_TERMINAL,
4044
4045   EL_SP_EXIT_CLOSED,
4046   EL_SP_PORT_HORIZONTAL,
4047   EL_SP_PORT_VERTICAL,
4048   EL_SP_PORT_ANY,
4049
4050   EL_SP_PORT_LEFT,
4051   EL_SP_PORT_RIGHT,
4052   EL_SP_PORT_UP,
4053   EL_SP_PORT_DOWN,
4054
4055   EL_SP_GRAVITY_PORT_LEFT,
4056   EL_SP_GRAVITY_PORT_RIGHT,
4057   EL_SP_GRAVITY_PORT_UP,
4058   EL_SP_GRAVITY_PORT_DOWN,
4059
4060   EL_SP_GRAVITY_ON_PORT_LEFT,
4061   EL_SP_GRAVITY_ON_PORT_RIGHT,
4062   EL_SP_GRAVITY_ON_PORT_UP,
4063   EL_SP_GRAVITY_ON_PORT_DOWN,
4064
4065   EL_SP_GRAVITY_OFF_PORT_LEFT,
4066   EL_SP_GRAVITY_OFF_PORT_RIGHT,
4067   EL_SP_GRAVITY_OFF_PORT_UP,
4068   EL_SP_GRAVITY_OFF_PORT_DOWN,
4069
4070   EL_SP_HARDWARE_GRAY,
4071   EL_SP_HARDWARE_GREEN,
4072   EL_SP_HARDWARE_BLUE,
4073   EL_SP_HARDWARE_RED,
4074
4075   EL_SP_HARDWARE_BASE_1,
4076   EL_SP_HARDWARE_BASE_2,
4077   EL_SP_HARDWARE_BASE_3,
4078   EL_SP_HARDWARE_BASE_4,
4079
4080   EL_SP_HARDWARE_BASE_5,
4081   EL_SP_HARDWARE_BASE_6,
4082   EL_SP_HARDWARE_YELLOW,
4083   EL_SP_CHIP_TOP,
4084
4085   EL_SP_CHIP_SINGLE,
4086   EL_SP_CHIP_LEFT,
4087   EL_SP_CHIP_RIGHT,
4088   EL_SP_CHIP_BOTTOM,
4089 };
4090 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
4091 static int *editor_el_supaplex_ptr = editor_el_supaplex;
4092 static int num_editor_hl_supaplex = SIZEOF_ARRAY_INT(editor_hl_supaplex);
4093 static int num_editor_el_supaplex = SIZEOF_ARRAY_INT(editor_el_supaplex);
4094
4095 static int editor_hl_diamond_caves[] =
4096 {
4097   EL_INTERNAL_CASCADE_DC_ACTIVE,
4098   EL_CHAR('D'),
4099   EL_CHAR('C'),
4100   EL_CHAR('2'),
4101 };
4102
4103 static int editor_el_diamond_caves[] =
4104 {
4105   EL_PEARL,
4106   EL_CRYSTAL,
4107   EL_WALL_PEARL,
4108   EL_WALL_CRYSTAL,
4109
4110   EL_CONVEYOR_BELT_1_LEFT,
4111   EL_CONVEYOR_BELT_1_MIDDLE,
4112   EL_CONVEYOR_BELT_1_RIGHT,
4113   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
4114
4115   EL_CONVEYOR_BELT_2_LEFT,
4116   EL_CONVEYOR_BELT_2_MIDDLE,
4117   EL_CONVEYOR_BELT_2_RIGHT,
4118   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
4119
4120   EL_CONVEYOR_BELT_3_LEFT,
4121   EL_CONVEYOR_BELT_3_MIDDLE,
4122   EL_CONVEYOR_BELT_3_RIGHT,
4123   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
4124
4125   EL_CONVEYOR_BELT_4_LEFT,
4126   EL_CONVEYOR_BELT_4_MIDDLE,
4127   EL_CONVEYOR_BELT_4_RIGHT,
4128   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
4129
4130   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
4131   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
4132   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
4133   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
4134
4135   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
4136   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
4137   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
4138   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
4139
4140   EL_TIMEGATE_CLOSED,
4141   EL_TIMEGATE_OPEN,
4142   EL_TIMEGATE_SWITCH,
4143   EL_DC_TIMEGATE_SWITCH,
4144
4145   EL_SWITCHGATE_CLOSED,
4146   EL_SWITCHGATE_OPEN,
4147   EL_SWITCHGATE_SWITCH_UP,
4148   EL_SWITCHGATE_SWITCH_DOWN,
4149
4150   EL_LIGHT_SWITCH,
4151   EL_LIGHT_SWITCH_ACTIVE,
4152   EL_DC_SWITCHGATE_SWITCH_UP,
4153   EL_DC_SWITCHGATE_SWITCH_DOWN,
4154
4155   EL_STEEL_EXIT_CLOSED,
4156   EL_STEEL_EXIT_OPEN,
4157   EL_STEELWALL_SLIPPERY,
4158   EL_INVISIBLE_SAND,
4159
4160   EL_QUICKSAND_FAST_EMPTY,
4161   EL_QUICKSAND_FAST_FULL,
4162   EL_LANDMINE,
4163   EL_DC_LANDMINE,
4164
4165   EL_SHIELD_NORMAL,
4166   EL_SHIELD_DEADLY,
4167   EL_EXTRA_TIME,
4168   EL_DC_MAGIC_WALL,
4169
4170   EL_ENVELOPE_1,
4171   EL_ENVELOPE_2,
4172   EL_ENVELOPE_3,
4173   EL_ENVELOPE_4,
4174
4175   EL_SIGN_RADIOACTIVITY,
4176   EL_SIGN_WHEELCHAIR,
4177   EL_SIGN_PARKING,
4178   EL_SIGN_NO_ENTRY,
4179
4180   EL_SIGN_GIVE_WAY,
4181   EL_SIGN_ENTRY_FORBIDDEN,
4182   EL_SIGN_EMERGENCY_EXIT,
4183   EL_SIGN_YIN_YANG,
4184
4185 #if 0
4186   EL_SIGN_SPERMS,
4187   EL_SIGN_BULLET,
4188   EL_SIGN_HEART,
4189   EL_SIGN_CROSS,
4190
4191   EL_SIGN_FRANKIE,
4192   EL_EMPTY,
4193   EL_EMPTY,
4194   EL_EMPTY,
4195
4196   EL_SPERMS,
4197   EL_BULLET,
4198   EL_HEART,
4199   EL_CROSS,
4200
4201   EL_FRANKIE,
4202   EL_EMPTY,
4203   EL_EMPTY,
4204   EL_EMPTY,
4205 #endif
4206
4207   EL_DC_STEELWALL_2_SINGLE,
4208   EL_DC_STEELWALL_2_TOP,
4209   EL_SIGN_EXCLAMATION,
4210   EL_SIGN_STOP,
4211
4212   EL_DC_STEELWALL_2_LEFT,
4213   EL_DC_STEELWALL_2_MIDDLE,
4214   EL_DC_STEELWALL_2_HORIZONTAL,
4215   EL_DC_STEELWALL_2_RIGHT,
4216
4217   EL_DC_STEELWALL_1_TOPLEFT,
4218   EL_DC_STEELWALL_2_VERTICAL,
4219   EL_DC_STEELWALL_1_TOPRIGHT,
4220   EL_DC_GATE_WHITE,
4221
4222   EL_DC_STEELWALL_1_VERTICAL,
4223   EL_DC_STEELWALL_2_BOTTOM,
4224   EL_DC_KEY_WHITE,
4225   EL_DC_GATE_WHITE_GRAY,
4226
4227   EL_DC_STEELWALL_1_BOTTOMLEFT,
4228   EL_DC_STEELWALL_1_HORIZONTAL,
4229   EL_DC_STEELWALL_1_BOTTOMRIGHT,
4230   EL_DC_GATE_FAKE_GRAY,
4231
4232   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
4233   EL_DC_STEELWALL_1_BOTTOM,
4234   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
4235   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
4236
4237   EL_DC_STEELWALL_1_RIGHT,
4238   EL_EMPTY,
4239   EL_DC_STEELWALL_1_LEFT,
4240   EL_EXPANDABLE_STEELWALL_VERTICAL,
4241
4242   EL_DC_STEELWALL_1_TOPRIGHT_2,
4243   EL_DC_STEELWALL_1_TOP,
4244   EL_DC_STEELWALL_1_TOPLEFT_2,
4245   EL_EXPANDABLE_STEELWALL_ANY,
4246 };
4247 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
4248 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
4249 static int num_editor_hl_diamond_caves = SIZEOF_ARRAY_INT(editor_hl_diamond_caves);
4250 static int num_editor_el_diamond_caves = SIZEOF_ARRAY_INT(editor_el_diamond_caves);
4251
4252 static int editor_hl_dx_boulderdash[] =
4253 {
4254   EL_INTERNAL_CASCADE_DX_ACTIVE,
4255   EL_CHAR('D'),
4256   EL_CHAR('X'),
4257   EL_EMPTY,
4258 };
4259
4260 static int editor_el_dx_boulderdash[] =
4261 {
4262   EL_EMPTY,
4263   EL_TUBE_RIGHT_DOWN,
4264   EL_TUBE_HORIZONTAL_DOWN,
4265   EL_TUBE_LEFT_DOWN,
4266
4267   EL_TUBE_HORIZONTAL,
4268   EL_TUBE_VERTICAL_RIGHT,
4269   EL_TUBE_ANY,
4270   EL_TUBE_VERTICAL_LEFT,
4271
4272   EL_TUBE_VERTICAL,
4273   EL_TUBE_RIGHT_UP,
4274   EL_TUBE_HORIZONTAL_UP,
4275   EL_TUBE_LEFT_UP,
4276
4277   EL_TRAP,
4278   EL_DX_SUPABOMB,
4279   EL_EMPTY,
4280   EL_EMPTY
4281 };
4282 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
4283 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
4284 static int num_editor_hl_dx_boulderdash = SIZEOF_ARRAY_INT(editor_hl_dx_boulderdash);
4285 static int num_editor_el_dx_boulderdash = SIZEOF_ARRAY_INT(editor_el_dx_boulderdash);
4286
4287 static int editor_hl_mirror_magic[] =
4288 {
4289   EL_INTERNAL_CASCADE_MM_ACTIVE,
4290   EL_CHAR('M'),
4291   EL_CHAR('M'),
4292   EL_EMPTY,
4293 };
4294
4295 static int editor_el_mirror_magic[] =
4296 {
4297   EL_MM_MCDUFFIN_RIGHT,
4298   EL_MM_MCDUFFIN_UP,
4299   EL_MM_MCDUFFIN_LEFT,
4300   EL_MM_MCDUFFIN_DOWN,
4301
4302   EL_MM_MIRROR_START,
4303   EL_MM_MIRROR_FIXED_START,
4304   EL_MM_POLARISATOR_START,
4305   EL_MM_POLARISATOR_CROSS_START,
4306
4307   EL_MM_BEAMER_RED_START,
4308   EL_MM_BEAMER_YELLOW_START,
4309   EL_MM_BEAMER_GREEN_START,
4310   EL_MM_BEAMER_BLUE_START,
4311
4312   EL_MM_PRISM,
4313   EL_MM_FUSE_ACTIVE,
4314   EL_MM_PACMAN_RIGHT,
4315   EL_MM_EXIT_CLOSED,
4316
4317   EL_MM_KETTLE,
4318   EL_MM_BOMB,
4319   EL_MM_KEY,
4320   EL_MM_FUEL_FULL,
4321
4322   EL_MM_LIGHTBULB,
4323   EL_MM_LIGHTBULB_ACTIVE,
4324   EL_MM_GRAY_BALL,
4325   EL_MM_LIGHTBALL,
4326
4327   EL_MM_STEEL_WALL,
4328   EL_MM_WOODEN_WALL,
4329   EL_MM_ICE_WALL,
4330   EL_MM_AMOEBA_WALL,
4331
4332   EL_MM_STEEL_LOCK,
4333   EL_MM_WOODEN_LOCK,
4334   EL_MM_STEEL_BLOCK,
4335   EL_MM_WOODEN_BLOCK,
4336
4337   EL_MM_STEEL_GRID_FIXED_1,
4338   EL_MM_STEEL_GRID_FIXED_2,
4339   EL_MM_STEEL_GRID_FIXED_3,
4340   EL_MM_STEEL_GRID_FIXED_4,
4341
4342   EL_MM_WOODEN_GRID_FIXED_1,
4343   EL_MM_WOODEN_GRID_FIXED_2,
4344   EL_MM_WOODEN_GRID_FIXED_3,
4345   EL_MM_WOODEN_GRID_FIXED_4
4346 };
4347 static int *editor_hl_mirror_magic_ptr = editor_hl_mirror_magic;
4348 static int *editor_el_mirror_magic_ptr = editor_el_mirror_magic;
4349 static int num_editor_hl_mirror_magic = SIZEOF_ARRAY_INT(editor_hl_mirror_magic);
4350 static int num_editor_el_mirror_magic = SIZEOF_ARRAY_INT(editor_el_mirror_magic);
4351
4352 static int editor_hl_deflektor[] =
4353 {
4354   EL_INTERNAL_CASCADE_DF_ACTIVE,
4355   EL_CHAR('D'),
4356   EL_CHAR('F'),
4357   EL_EMPTY,
4358 };
4359
4360 static int editor_el_deflektor[] =
4361 {
4362   EL_DF_LASER_RIGHT,
4363   EL_DF_LASER_UP,
4364   EL_DF_LASER_LEFT,
4365   EL_DF_LASER_DOWN,
4366
4367   EL_DF_RECEIVER_RIGHT,
4368   EL_DF_RECEIVER_UP,
4369   EL_DF_RECEIVER_LEFT,
4370   EL_DF_RECEIVER_DOWN,
4371
4372   EL_DF_MIRROR_START,
4373   EL_DF_MIRROR_ROTATING_START,
4374   EL_DF_CELL,
4375   EL_DF_MINE,
4376
4377   EL_DF_FIBRE_OPTIC_RED_1,
4378   EL_DF_FIBRE_OPTIC_YELLOW_1,
4379   EL_DF_FIBRE_OPTIC_GREEN_1,
4380   EL_DF_FIBRE_OPTIC_BLUE_1,
4381
4382   EL_DF_STEEL_GRID_FIXED_START,
4383   EL_DF_STEEL_GRID_ROTATING_START,
4384   EL_DF_WOODEN_GRID_FIXED_START,
4385   EL_DF_WOODEN_GRID_ROTATING_START,
4386
4387   EL_DF_STEEL_WALL,
4388   EL_DF_WOODEN_WALL,
4389   EL_DF_REFRACTOR,
4390   EL_EMPTY
4391 };
4392 static int *editor_hl_deflektor_ptr = editor_hl_deflektor;
4393 static int *editor_el_deflektor_ptr = editor_el_deflektor;
4394 static int num_editor_hl_deflektor = SIZEOF_ARRAY_INT(editor_hl_deflektor);
4395 static int num_editor_el_deflektor = SIZEOF_ARRAY_INT(editor_el_deflektor);
4396
4397 static int editor_hl_chars[] =
4398 {
4399   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
4400   EL_CHAR('T'),
4401   EL_CHAR('X'),
4402   EL_CHAR('T'),
4403 };
4404
4405 static int editor_el_chars[] =
4406 {
4407   EL_CHAR(' '),
4408   EL_CHAR('!'),
4409   EL_CHAR('"'),
4410   EL_CHAR('#'),
4411
4412   EL_CHAR('$'),
4413   EL_CHAR('%'),
4414   EL_CHAR('&'),
4415   EL_CHAR('\''),
4416
4417   EL_CHAR('('),
4418   EL_CHAR(')'),
4419   EL_CHAR('*'),
4420   EL_CHAR('+'),
4421
4422   EL_CHAR(','),
4423   EL_CHAR('-'),
4424   EL_CHAR('.'),
4425   EL_CHAR('/'),
4426
4427   EL_CHAR('0'),
4428   EL_CHAR('1'),
4429   EL_CHAR('2'),
4430   EL_CHAR('3'),
4431
4432   EL_CHAR('4'),
4433   EL_CHAR('5'),
4434   EL_CHAR('6'),
4435   EL_CHAR('7'),
4436
4437   EL_CHAR('8'),
4438   EL_CHAR('9'),
4439   EL_CHAR(':'),
4440   EL_CHAR(';'),
4441
4442   EL_CHAR('<'),
4443   EL_CHAR('='),
4444   EL_CHAR('>'),
4445   EL_CHAR('?'),
4446
4447   EL_CHAR('@'),
4448   EL_CHAR('A'),
4449   EL_CHAR('B'),
4450   EL_CHAR('C'),
4451
4452   EL_CHAR('D'),
4453   EL_CHAR('E'),
4454   EL_CHAR('F'),
4455   EL_CHAR('G'),
4456
4457   EL_CHAR('H'),
4458   EL_CHAR('I'),
4459   EL_CHAR('J'),
4460   EL_CHAR('K'),
4461
4462   EL_CHAR('L'),
4463   EL_CHAR('M'),
4464   EL_CHAR('N'),
4465   EL_CHAR('O'),
4466
4467   EL_CHAR('P'),
4468   EL_CHAR('Q'),
4469   EL_CHAR('R'),
4470   EL_CHAR('S'),
4471
4472   EL_CHAR('T'),
4473   EL_CHAR('U'),
4474   EL_CHAR('V'),
4475   EL_CHAR('W'),
4476
4477   EL_CHAR('X'),
4478   EL_CHAR('Y'),
4479   EL_CHAR('Z'),
4480   EL_CHAR('['),
4481
4482   EL_CHAR('\\'),
4483   EL_CHAR(']'),
4484   EL_CHAR('^'),
4485   EL_CHAR('_'),
4486
4487   EL_CHAR(CHAR_BYTE_COPYRIGHT),
4488   EL_CHAR(CHAR_BYTE_UMLAUT_A),
4489   EL_CHAR(CHAR_BYTE_UMLAUT_O),
4490   EL_CHAR(CHAR_BYTE_UMLAUT_U),
4491
4492   EL_CHAR(CHAR_BYTE_DEGREE),
4493   EL_CHAR(CHAR_BYTE_REGISTERED),
4494   EL_CHAR(FONT_ASCII_CURSOR),
4495   EL_CHAR(FONT_ASCII_BUTTON),
4496
4497   EL_CHAR(FONT_ASCII_UP),
4498   EL_CHAR(FONT_ASCII_DOWN),
4499   EL_CHAR(' '),
4500   EL_CHAR(' ')
4501 };
4502 static int *editor_hl_chars_ptr = editor_hl_chars;
4503 static int *editor_el_chars_ptr = editor_el_chars;
4504 static int num_editor_hl_chars = SIZEOF_ARRAY_INT(editor_hl_chars);
4505 static int num_editor_el_chars = SIZEOF_ARRAY_INT(editor_el_chars);
4506
4507 static int editor_hl_steel_chars[] =
4508 {
4509   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
4510   EL_STEEL_CHAR('T'),
4511   EL_STEEL_CHAR('X'),
4512   EL_STEEL_CHAR('T'),
4513 };
4514
4515 static int editor_el_steel_chars[] =
4516 {
4517   EL_STEEL_CHAR(' '),
4518   EL_STEEL_CHAR('!'),
4519   EL_STEEL_CHAR('"'),
4520   EL_STEEL_CHAR('#'),
4521
4522   EL_STEEL_CHAR('$'),
4523   EL_STEEL_CHAR('%'),
4524   EL_STEEL_CHAR('&'),
4525   EL_STEEL_CHAR('\''),
4526
4527   EL_STEEL_CHAR('('),
4528   EL_STEEL_CHAR(')'),
4529   EL_STEEL_CHAR('*'),
4530   EL_STEEL_CHAR('+'),
4531
4532   EL_STEEL_CHAR(','),
4533   EL_STEEL_CHAR('-'),
4534   EL_STEEL_CHAR('.'),
4535   EL_STEEL_CHAR('/'),
4536
4537   EL_STEEL_CHAR('0'),
4538   EL_STEEL_CHAR('1'),
4539   EL_STEEL_CHAR('2'),
4540   EL_STEEL_CHAR('3'),
4541
4542   EL_STEEL_CHAR('4'),
4543   EL_STEEL_CHAR('5'),
4544   EL_STEEL_CHAR('6'),
4545   EL_STEEL_CHAR('7'),
4546
4547   EL_STEEL_CHAR('8'),
4548   EL_STEEL_CHAR('9'),
4549   EL_STEEL_CHAR(':'),
4550   EL_STEEL_CHAR(';'),
4551
4552   EL_STEEL_CHAR('<'),
4553   EL_STEEL_CHAR('='),
4554   EL_STEEL_CHAR('>'),
4555   EL_STEEL_CHAR('?'),
4556
4557   EL_STEEL_CHAR('@'),
4558   EL_STEEL_CHAR('A'),
4559   EL_STEEL_CHAR('B'),
4560   EL_STEEL_CHAR('C'),
4561
4562   EL_STEEL_CHAR('D'),
4563   EL_STEEL_CHAR('E'),
4564   EL_STEEL_CHAR('F'),
4565   EL_STEEL_CHAR('G'),
4566
4567   EL_STEEL_CHAR('H'),
4568   EL_STEEL_CHAR('I'),
4569   EL_STEEL_CHAR('J'),
4570   EL_STEEL_CHAR('K'),
4571
4572   EL_STEEL_CHAR('L'),
4573   EL_STEEL_CHAR('M'),
4574   EL_STEEL_CHAR('N'),
4575   EL_STEEL_CHAR('O'),
4576
4577   EL_STEEL_CHAR('P'),
4578   EL_STEEL_CHAR('Q'),
4579   EL_STEEL_CHAR('R'),
4580   EL_STEEL_CHAR('S'),
4581
4582   EL_STEEL_CHAR('T'),
4583   EL_STEEL_CHAR('U'),
4584   EL_STEEL_CHAR('V'),
4585   EL_STEEL_CHAR('W'),
4586
4587   EL_STEEL_CHAR('X'),
4588   EL_STEEL_CHAR('Y'),
4589   EL_STEEL_CHAR('Z'),
4590   EL_STEEL_CHAR('['),
4591
4592   EL_STEEL_CHAR('\\'),
4593   EL_STEEL_CHAR(']'),
4594   EL_STEEL_CHAR('^'),
4595   EL_STEEL_CHAR('_'),
4596
4597   EL_STEEL_CHAR(CHAR_BYTE_COPYRIGHT),
4598   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_A),
4599   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_O),
4600   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_U),
4601
4602   EL_STEEL_CHAR(CHAR_BYTE_DEGREE),
4603   EL_STEEL_CHAR(CHAR_BYTE_REGISTERED),
4604   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
4605   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
4606
4607   EL_STEEL_CHAR(FONT_ASCII_UP),
4608   EL_STEEL_CHAR(FONT_ASCII_DOWN),
4609   EL_STEEL_CHAR(' '),
4610   EL_STEEL_CHAR(' ')
4611 };
4612 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
4613 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
4614 static int num_editor_hl_steel_chars = SIZEOF_ARRAY_INT(editor_hl_steel_chars);
4615 static int num_editor_el_steel_chars = SIZEOF_ARRAY_INT(editor_el_steel_chars);
4616
4617 static int editor_hl_custom[] =
4618 {
4619   EL_INTERNAL_CASCADE_CE_ACTIVE,
4620   EL_CHAR('C'),
4621   EL_CHAR('E'),
4622   EL_EMPTY,
4623 };
4624
4625 static int editor_el_custom[] =
4626 {
4627   EL_CUSTOM_START + 0,
4628   EL_CUSTOM_START + 1,
4629   EL_CUSTOM_START + 2,
4630   EL_CUSTOM_START + 3,
4631
4632   EL_CUSTOM_START + 4,
4633   EL_CUSTOM_START + 5,
4634   EL_CUSTOM_START + 6,
4635   EL_CUSTOM_START + 7,
4636
4637   EL_CUSTOM_START + 8,
4638   EL_CUSTOM_START + 9,
4639   EL_CUSTOM_START + 10,
4640   EL_CUSTOM_START + 11,
4641
4642   EL_CUSTOM_START + 12,
4643   EL_CUSTOM_START + 13,
4644   EL_CUSTOM_START + 14,
4645   EL_CUSTOM_START + 15,
4646
4647   EL_CUSTOM_START + 16,
4648   EL_CUSTOM_START + 17,
4649   EL_CUSTOM_START + 18,
4650   EL_CUSTOM_START + 19,
4651
4652   EL_CUSTOM_START + 20,
4653   EL_CUSTOM_START + 21,
4654   EL_CUSTOM_START + 22,
4655   EL_CUSTOM_START + 23,
4656
4657   EL_CUSTOM_START + 24,
4658   EL_CUSTOM_START + 25,
4659   EL_CUSTOM_START + 26,
4660   EL_CUSTOM_START + 27,
4661
4662   EL_CUSTOM_START + 28,
4663   EL_CUSTOM_START + 29,
4664   EL_CUSTOM_START + 30,
4665   EL_CUSTOM_START + 31,
4666
4667   EL_CUSTOM_START + 32,
4668   EL_CUSTOM_START + 33,
4669   EL_CUSTOM_START + 34,
4670   EL_CUSTOM_START + 35,
4671
4672   EL_CUSTOM_START + 36,
4673   EL_CUSTOM_START + 37,
4674   EL_CUSTOM_START + 38,
4675   EL_CUSTOM_START + 39,
4676
4677   EL_CUSTOM_START + 40,
4678   EL_CUSTOM_START + 41,
4679   EL_CUSTOM_START + 42,
4680   EL_CUSTOM_START + 43,
4681
4682   EL_CUSTOM_START + 44,
4683   EL_CUSTOM_START + 45,
4684   EL_CUSTOM_START + 46,
4685   EL_CUSTOM_START + 47,
4686
4687   EL_CUSTOM_START + 48,
4688   EL_CUSTOM_START + 49,
4689   EL_CUSTOM_START + 50,
4690   EL_CUSTOM_START + 51,
4691
4692   EL_CUSTOM_START + 52,
4693   EL_CUSTOM_START + 53,
4694   EL_CUSTOM_START + 54,
4695   EL_CUSTOM_START + 55,
4696
4697   EL_CUSTOM_START + 56,
4698   EL_CUSTOM_START + 57,
4699   EL_CUSTOM_START + 58,
4700   EL_CUSTOM_START + 59,
4701
4702   EL_CUSTOM_START + 60,
4703   EL_CUSTOM_START + 61,
4704   EL_CUSTOM_START + 62,
4705   EL_CUSTOM_START + 63,
4706
4707   EL_CUSTOM_START + 64,
4708   EL_CUSTOM_START + 65,
4709   EL_CUSTOM_START + 66,
4710   EL_CUSTOM_START + 67,
4711
4712   EL_CUSTOM_START + 68,
4713   EL_CUSTOM_START + 69,
4714   EL_CUSTOM_START + 70,
4715   EL_CUSTOM_START + 71,
4716
4717   EL_CUSTOM_START + 72,
4718   EL_CUSTOM_START + 73,
4719   EL_CUSTOM_START + 74,
4720   EL_CUSTOM_START + 75,
4721
4722   EL_CUSTOM_START + 76,
4723   EL_CUSTOM_START + 77,
4724   EL_CUSTOM_START + 78,
4725   EL_CUSTOM_START + 79,
4726
4727   EL_CUSTOM_START + 80,
4728   EL_CUSTOM_START + 81,
4729   EL_CUSTOM_START + 82,
4730   EL_CUSTOM_START + 83,
4731
4732   EL_CUSTOM_START + 84,
4733   EL_CUSTOM_START + 85,
4734   EL_CUSTOM_START + 86,
4735   EL_CUSTOM_START + 87,
4736
4737   EL_CUSTOM_START + 88,
4738   EL_CUSTOM_START + 89,
4739   EL_CUSTOM_START + 90,
4740   EL_CUSTOM_START + 91,
4741
4742   EL_CUSTOM_START + 92,
4743   EL_CUSTOM_START + 93,
4744   EL_CUSTOM_START + 94,
4745   EL_CUSTOM_START + 95,
4746
4747   EL_CUSTOM_START + 96,
4748   EL_CUSTOM_START + 97,
4749   EL_CUSTOM_START + 98,
4750   EL_CUSTOM_START + 99,
4751
4752   EL_CUSTOM_START + 100,
4753   EL_CUSTOM_START + 101,
4754   EL_CUSTOM_START + 102,
4755   EL_CUSTOM_START + 103,
4756
4757   EL_CUSTOM_START + 104,
4758   EL_CUSTOM_START + 105,
4759   EL_CUSTOM_START + 106,
4760   EL_CUSTOM_START + 107,
4761
4762   EL_CUSTOM_START + 108,
4763   EL_CUSTOM_START + 109,
4764   EL_CUSTOM_START + 110,
4765   EL_CUSTOM_START + 111,
4766
4767   EL_CUSTOM_START + 112,
4768   EL_CUSTOM_START + 113,
4769   EL_CUSTOM_START + 114,
4770   EL_CUSTOM_START + 115,
4771
4772   EL_CUSTOM_START + 116,
4773   EL_CUSTOM_START + 117,
4774   EL_CUSTOM_START + 118,
4775   EL_CUSTOM_START + 119,
4776
4777   EL_CUSTOM_START + 120,
4778   EL_CUSTOM_START + 121,
4779   EL_CUSTOM_START + 122,
4780   EL_CUSTOM_START + 123,
4781
4782   EL_CUSTOM_START + 124,
4783   EL_CUSTOM_START + 125,
4784   EL_CUSTOM_START + 126,
4785   EL_CUSTOM_START + 127,
4786
4787   EL_CUSTOM_START + 128,
4788   EL_CUSTOM_START + 129,
4789   EL_CUSTOM_START + 130,
4790   EL_CUSTOM_START + 131,
4791
4792   EL_CUSTOM_START + 132,
4793   EL_CUSTOM_START + 133,
4794   EL_CUSTOM_START + 134,
4795   EL_CUSTOM_START + 135,
4796
4797   EL_CUSTOM_START + 136,
4798   EL_CUSTOM_START + 137,
4799   EL_CUSTOM_START + 138,
4800   EL_CUSTOM_START + 139,
4801
4802   EL_CUSTOM_START + 140,
4803   EL_CUSTOM_START + 141,
4804   EL_CUSTOM_START + 142,
4805   EL_CUSTOM_START + 143,
4806
4807   EL_CUSTOM_START + 144,
4808   EL_CUSTOM_START + 145,
4809   EL_CUSTOM_START + 146,
4810   EL_CUSTOM_START + 147,
4811
4812   EL_CUSTOM_START + 148,
4813   EL_CUSTOM_START + 149,
4814   EL_CUSTOM_START + 150,
4815   EL_CUSTOM_START + 151,
4816
4817   EL_CUSTOM_START + 152,
4818   EL_CUSTOM_START + 153,
4819   EL_CUSTOM_START + 154,
4820   EL_CUSTOM_START + 155,
4821
4822   EL_CUSTOM_START + 156,
4823   EL_CUSTOM_START + 157,
4824   EL_CUSTOM_START + 158,
4825   EL_CUSTOM_START + 159,
4826
4827   EL_CUSTOM_START + 160,
4828   EL_CUSTOM_START + 161,
4829   EL_CUSTOM_START + 162,
4830   EL_CUSTOM_START + 163,
4831
4832   EL_CUSTOM_START + 164,
4833   EL_CUSTOM_START + 165,
4834   EL_CUSTOM_START + 166,
4835   EL_CUSTOM_START + 167,
4836
4837   EL_CUSTOM_START + 168,
4838   EL_CUSTOM_START + 169,
4839   EL_CUSTOM_START + 170,
4840   EL_CUSTOM_START + 171,
4841
4842   EL_CUSTOM_START + 172,
4843   EL_CUSTOM_START + 173,
4844   EL_CUSTOM_START + 174,
4845   EL_CUSTOM_START + 175,
4846
4847   EL_CUSTOM_START + 176,
4848   EL_CUSTOM_START + 177,
4849   EL_CUSTOM_START + 178,
4850   EL_CUSTOM_START + 179,
4851
4852   EL_CUSTOM_START + 180,
4853   EL_CUSTOM_START + 181,
4854   EL_CUSTOM_START + 182,
4855   EL_CUSTOM_START + 183,
4856
4857   EL_CUSTOM_START + 184,
4858   EL_CUSTOM_START + 185,
4859   EL_CUSTOM_START + 186,
4860   EL_CUSTOM_START + 187,
4861
4862   EL_CUSTOM_START + 188,
4863   EL_CUSTOM_START + 189,
4864   EL_CUSTOM_START + 190,
4865   EL_CUSTOM_START + 191,
4866
4867   EL_CUSTOM_START + 192,
4868   EL_CUSTOM_START + 193,
4869   EL_CUSTOM_START + 194,
4870   EL_CUSTOM_START + 195,
4871
4872   EL_CUSTOM_START + 196,
4873   EL_CUSTOM_START + 197,
4874   EL_CUSTOM_START + 198,
4875   EL_CUSTOM_START + 199,
4876
4877   EL_CUSTOM_START + 200,
4878   EL_CUSTOM_START + 201,
4879   EL_CUSTOM_START + 202,
4880   EL_CUSTOM_START + 203,
4881
4882   EL_CUSTOM_START + 204,
4883   EL_CUSTOM_START + 205,
4884   EL_CUSTOM_START + 206,
4885   EL_CUSTOM_START + 207,
4886
4887   EL_CUSTOM_START + 208,
4888   EL_CUSTOM_START + 209,
4889   EL_CUSTOM_START + 210,
4890   EL_CUSTOM_START + 211,
4891
4892   EL_CUSTOM_START + 212,
4893   EL_CUSTOM_START + 213,
4894   EL_CUSTOM_START + 214,
4895   EL_CUSTOM_START + 215,
4896
4897   EL_CUSTOM_START + 216,
4898   EL_CUSTOM_START + 217,
4899   EL_CUSTOM_START + 218,
4900   EL_CUSTOM_START + 219,
4901
4902   EL_CUSTOM_START + 220,
4903   EL_CUSTOM_START + 221,
4904   EL_CUSTOM_START + 222,
4905   EL_CUSTOM_START + 223,
4906
4907   EL_CUSTOM_START + 224,
4908   EL_CUSTOM_START + 225,
4909   EL_CUSTOM_START + 226,
4910   EL_CUSTOM_START + 227,
4911
4912   EL_CUSTOM_START + 228,
4913   EL_CUSTOM_START + 229,
4914   EL_CUSTOM_START + 230,
4915   EL_CUSTOM_START + 231,
4916
4917   EL_CUSTOM_START + 232,
4918   EL_CUSTOM_START + 233,
4919   EL_CUSTOM_START + 234,
4920   EL_CUSTOM_START + 235,
4921
4922   EL_CUSTOM_START + 236,
4923   EL_CUSTOM_START + 237,
4924   EL_CUSTOM_START + 238,
4925   EL_CUSTOM_START + 239,
4926
4927   EL_CUSTOM_START + 240,
4928   EL_CUSTOM_START + 241,
4929   EL_CUSTOM_START + 242,
4930   EL_CUSTOM_START + 243,
4931
4932   EL_CUSTOM_START + 244,
4933   EL_CUSTOM_START + 245,
4934   EL_CUSTOM_START + 246,
4935   EL_CUSTOM_START + 247,
4936
4937   EL_CUSTOM_START + 248,
4938   EL_CUSTOM_START + 249,
4939   EL_CUSTOM_START + 250,
4940   EL_CUSTOM_START + 251,
4941
4942   EL_CUSTOM_START + 252,
4943   EL_CUSTOM_START + 253,
4944   EL_CUSTOM_START + 254,
4945   EL_CUSTOM_START + 255
4946 };
4947 static int *editor_hl_custom_ptr = editor_hl_custom;
4948 static int *editor_el_custom_ptr = editor_el_custom;
4949 static int num_editor_hl_custom = SIZEOF_ARRAY_INT(editor_hl_custom);
4950 static int num_editor_el_custom = SIZEOF_ARRAY_INT(editor_el_custom);
4951
4952 static int editor_hl_group[] =
4953 {
4954   EL_INTERNAL_CASCADE_GE_ACTIVE,
4955   EL_CHAR('G'),
4956   EL_CHAR('E'),
4957   EL_EMPTY,
4958 };
4959
4960 static int editor_el_group[] =
4961 {
4962   EL_GROUP_START + 0,
4963   EL_GROUP_START + 1,
4964   EL_GROUP_START + 2,
4965   EL_GROUP_START + 3,
4966
4967   EL_GROUP_START + 4,
4968   EL_GROUP_START + 5,
4969   EL_GROUP_START + 6,
4970   EL_GROUP_START + 7,
4971
4972   EL_GROUP_START + 8,
4973   EL_GROUP_START + 9,
4974   EL_GROUP_START + 10,
4975   EL_GROUP_START + 11,
4976
4977   EL_GROUP_START + 12,
4978   EL_GROUP_START + 13,
4979   EL_GROUP_START + 14,
4980   EL_GROUP_START + 15,
4981
4982   EL_GROUP_START + 16,
4983   EL_GROUP_START + 17,
4984   EL_GROUP_START + 18,
4985   EL_GROUP_START + 19,
4986
4987   EL_GROUP_START + 20,
4988   EL_GROUP_START + 21,
4989   EL_GROUP_START + 22,
4990   EL_GROUP_START + 23,
4991
4992   EL_GROUP_START + 24,
4993   EL_GROUP_START + 25,
4994   EL_GROUP_START + 26,
4995   EL_GROUP_START + 27,
4996
4997   EL_GROUP_START + 28,
4998   EL_GROUP_START + 29,
4999   EL_GROUP_START + 30,
5000   EL_GROUP_START + 31
5001 };
5002 static int *editor_hl_group_ptr = editor_hl_group;
5003 static int *editor_el_group_ptr = editor_el_group;
5004 static int num_editor_hl_group = SIZEOF_ARRAY_INT(editor_hl_group);
5005 static int num_editor_el_group = SIZEOF_ARRAY_INT(editor_el_group);
5006
5007 static int editor_hl_reference[] =
5008 {
5009   EL_INTERNAL_CASCADE_REF_ACTIVE,
5010   EL_CHAR('R'),
5011   EL_CHAR('E'),
5012   EL_CHAR('F')
5013 };
5014
5015 static int editor_el_reference[] =
5016 {
5017   EL_TRIGGER_PLAYER,
5018   EL_TRIGGER_ELEMENT,
5019   EL_TRIGGER_CE_VALUE,
5020   EL_TRIGGER_CE_SCORE,
5021
5022   EL_SELF,
5023   EL_ANY_ELEMENT,
5024   EL_CURRENT_CE_VALUE,
5025   EL_CURRENT_CE_SCORE,
5026
5027   EL_PREV_CE_8,
5028   EL_PREV_CE_7,
5029   EL_PREV_CE_6,
5030   EL_PREV_CE_5,
5031
5032   EL_PREV_CE_4,
5033   EL_PREV_CE_3,
5034   EL_PREV_CE_2,
5035   EL_PREV_CE_1,
5036
5037   EL_NEXT_CE_1,
5038   EL_NEXT_CE_2,
5039   EL_NEXT_CE_3,
5040   EL_NEXT_CE_4,
5041
5042   EL_NEXT_CE_5,
5043   EL_NEXT_CE_6,
5044   EL_NEXT_CE_7,
5045   EL_NEXT_CE_8,
5046 };
5047 static int *editor_hl_reference_ptr = editor_hl_reference;
5048 static int *editor_el_reference_ptr = editor_el_reference;
5049 static int num_editor_hl_reference = SIZEOF_ARRAY_INT(editor_hl_reference);
5050 static int num_editor_el_reference = SIZEOF_ARRAY_INT(editor_el_reference);
5051
5052 static int editor_hl_user_defined[] =
5053 {
5054   EL_INTERNAL_CASCADE_USER_ACTIVE,
5055   EL_CHAR('M'),
5056   EL_CHAR('Y'),
5057   EL_EMPTY,
5058 };
5059
5060 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
5061 static int *editor_el_user_defined_ptr = NULL;
5062 static int num_editor_hl_user_defined=SIZEOF_ARRAY_INT(editor_hl_user_defined);
5063 static int num_editor_el_user_defined = 0;
5064
5065 static int editor_hl_dynamic[] =
5066 {
5067   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
5068   EL_CHAR('U'),
5069   EL_CHAR('S'),
5070   EL_CHAR('E'),
5071 };
5072
5073 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
5074 static int *editor_el_dynamic_ptr = NULL;
5075 static int num_editor_hl_dynamic = SIZEOF_ARRAY_INT(editor_hl_dynamic);
5076 static int num_editor_el_dynamic = 0;
5077
5078 static int editor_hl_empty[] = { EL_EMPTY };
5079 static int *editor_el_empty = NULL;     /* dynamically allocated */
5080
5081 static int *editor_hl_empty_ptr = editor_hl_empty;
5082 static int *editor_el_empty_ptr = NULL;
5083 static int num_editor_hl_empty = 0;
5084 static int num_editor_el_empty = 0;     /* dynamically determined, if needed */
5085
5086 static boolean use_el_empty = FALSE;
5087
5088 static int *editor_elements = NULL;     /* dynamically allocated */
5089 static int num_editor_elements = 0;     /* dynamically determined */
5090
5091 static boolean setup_editor_cascade_never = FALSE;
5092
5093 static boolean setup_editor_el_players                  = TRUE;
5094 static boolean setup_editor_el_boulderdash              = TRUE;
5095 static boolean setup_editor_el_emerald_mine             = TRUE;
5096 static boolean setup_editor_el_emerald_mine_club        = TRUE;
5097 static boolean setup_editor_el_more                     = TRUE;
5098 static boolean setup_editor_el_sokoban                  = TRUE;
5099 static boolean setup_editor_el_supaplex                 = TRUE;
5100 static boolean setup_editor_el_diamond_caves            = TRUE;
5101 static boolean setup_editor_el_dx_boulderdash           = TRUE;
5102 static boolean setup_editor_el_mirror_magic             = TRUE;
5103 static boolean setup_editor_el_deflektor                = TRUE;
5104 static boolean setup_editor_el_chars                    = TRUE;
5105 static boolean setup_editor_el_steel_chars              = TRUE;
5106 static boolean setup_editor_el_custom                   = TRUE;
5107 static boolean setup_editor_el_user_defined             = TRUE;
5108 static boolean setup_editor_el_dynamic                  = TRUE;
5109
5110 static int editor_hl_unused[] = { EL_EMPTY };
5111 static int *editor_hl_unused_ptr = editor_hl_unused;
5112 static int num_editor_hl_unused = 0;
5113
5114 static struct
5115 {
5116   boolean *setup_value;
5117   boolean *setup_cascade_value;
5118
5119   int **headline_list;
5120   int *headline_list_size;
5121
5122   int **element_list;
5123   int *element_list_size;
5124
5125   boolean last_setup_value;
5126 }
5127 editor_elements_info[] =
5128 {
5129   {
5130     &setup_editor_el_players,
5131     &setup_editor_cascade_never,
5132     &editor_hl_unused_ptr,              &num_editor_hl_unused,
5133     &editor_el_players_ptr,             &num_editor_el_players
5134   },
5135   {
5136     &setup_editor_el_boulderdash,
5137     &setup.editor_cascade.el_bd,
5138     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
5139     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
5140   },
5141   {
5142     &setup_editor_el_emerald_mine,
5143     &setup.editor_cascade.el_em,
5144     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
5145     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
5146   },
5147   {
5148     &setup_editor_el_emerald_mine_club,
5149     &setup.editor_cascade.el_emc,
5150     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
5151     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
5152   },
5153   {
5154     &setup_editor_el_more,
5155     &setup.editor_cascade.el_rnd,
5156     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
5157     &editor_el_rnd_ptr,                 &num_editor_el_rnd
5158   },
5159   {
5160     &setup_editor_el_sokoban,
5161     &setup.editor_cascade.el_sb,
5162     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
5163     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
5164   },
5165   {
5166     &setup_editor_el_supaplex,
5167     &setup.editor_cascade.el_sp,
5168     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
5169     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
5170   },
5171   {
5172     &setup_editor_el_diamond_caves,
5173     &setup.editor_cascade.el_dc,
5174     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
5175     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
5176   },
5177   {
5178     &setup_editor_el_dx_boulderdash,
5179     &setup.editor_cascade.el_dx,
5180     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
5181     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
5182   },
5183   {
5184     &setup_editor_el_mirror_magic,
5185     &setup.editor_cascade.el_mm,
5186     &editor_hl_mirror_magic_ptr,        &num_editor_hl_mirror_magic,
5187     &editor_el_mirror_magic_ptr,        &num_editor_el_mirror_magic
5188   },
5189   {
5190     &setup_editor_el_deflektor,
5191     &setup.editor_cascade.el_df,
5192     &editor_hl_deflektor_ptr,           &num_editor_hl_deflektor,
5193     &editor_el_deflektor_ptr,           &num_editor_el_deflektor
5194   },
5195   {
5196     &setup_editor_el_chars,
5197     &setup.editor_cascade.el_chars,
5198     &editor_hl_chars_ptr,               &num_editor_hl_chars,
5199     &editor_el_chars_ptr,               &num_editor_el_chars
5200   },
5201   {
5202     &setup_editor_el_steel_chars,
5203     &setup.editor_cascade.el_steel_chars,
5204     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
5205     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
5206   },
5207   {
5208     &setup_editor_el_custom,
5209     &setup.editor_cascade.el_ce,
5210     &editor_hl_custom_ptr,              &num_editor_hl_custom,
5211     &editor_el_custom_ptr,              &num_editor_el_custom
5212   },
5213   {
5214     &setup_editor_el_custom,
5215     &setup.editor_cascade.el_ge,
5216     &editor_hl_group_ptr,               &num_editor_hl_group,
5217     &editor_el_group_ptr,               &num_editor_el_group
5218   },
5219   {
5220     &setup_editor_el_custom,
5221     &setup.editor_cascade.el_ref,
5222     &editor_hl_reference_ptr,           &num_editor_hl_reference,
5223     &editor_el_reference_ptr,           &num_editor_el_reference
5224   },
5225   {
5226     &setup_editor_el_user_defined,
5227     &setup.editor_cascade.el_user,
5228     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
5229     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
5230   },
5231   {
5232     &setup_editor_el_dynamic,
5233     &setup.editor_cascade.el_dynamic,
5234     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
5235     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
5236   },
5237   {
5238     &use_el_empty,
5239     &use_el_empty,
5240     &editor_hl_empty_ptr,               &num_editor_hl_empty,
5241     &editor_el_empty_ptr,               &num_editor_el_empty,
5242   },
5243   {
5244     NULL,
5245     NULL,
5246     NULL,                               NULL,
5247     NULL,                               NULL
5248   }
5249 };
5250
5251
5252 /*
5253   -----------------------------------------------------------------------------
5254   functions
5255   -----------------------------------------------------------------------------
5256 */
5257
5258 static int getMaxInfoTextLength()
5259 {
5260   return (SXSIZE / getFontWidth(INFOTEXT_FONT));
5261 }
5262
5263 static int getTextWidthForGadget(char *text)
5264 {
5265   if (text == NULL)
5266     return 0;
5267
5268   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
5269 }
5270
5271 static int getTextWidthForDrawingArea(char *text)
5272 {
5273   if (text == NULL)
5274     return 0;
5275
5276   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_TEXT_DISTANCE);
5277 }
5278
5279 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
5280 {
5281   return (gi->x + gi->width + getTextWidthForGadget(text));
5282 }
5283
5284 static char *getElementInfoText(int element)
5285 {
5286   char *info_text = NULL;
5287
5288   if (element < MAX_NUM_ELEMENTS)
5289   {
5290     if (strlen(element_info[element].description) > 0)
5291       info_text = element_info[element].description;
5292     else if (element_info[element].custom_description != NULL)
5293       info_text = element_info[element].custom_description;
5294     else if (element_info[element].editor_description != NULL)
5295       info_text = element_info[element].editor_description;
5296   }
5297
5298   if (info_text == NULL)
5299     info_text = INFOTEXT_UNKNOWN_ELEMENT;
5300
5301   return info_text;
5302 }
5303
5304 static char *getElementDescriptionFilenameExt(char *basename)
5305 {
5306   char *elements_subdir = "elements";
5307   static char *elements_subdir2 = NULL;
5308   static char *filename = NULL;
5309
5310   if (elements_subdir2 == NULL)
5311     elements_subdir2 = getPath2(DOCS_DIRECTORY, elements_subdir);
5312
5313   checked_free(filename);
5314
5315   /* 1st try: look for element description in current level set directory */
5316   filename = getPath3(getCurrentLevelDir(), elements_subdir2, basename);
5317   if (fileExists(filename))
5318     return filename;
5319
5320   free(filename);
5321
5322   /* 2nd try: look for element description in the game's base directory */
5323   filename = getPath3(options.docs_directory, elements_subdir, basename);
5324   if (fileExists(filename))
5325     return filename;
5326
5327   return NULL;
5328 }
5329
5330 char *getElementDescriptionFilename(int element)
5331 {
5332   char basename[MAX_FILENAME_LEN];
5333   char *filename;
5334
5335   /* 1st try: look for element description file for exactly this element */
5336   sprintf(basename, "%s.txt", element_info[element].token_name);
5337   filename = getElementDescriptionFilenameExt(basename);
5338   if (filename != NULL)
5339     return filename;
5340
5341   /* 2nd try: look for element description file for this element's class */
5342   sprintf(basename, "%s.txt", element_info[element].class_name);
5343   filename = getElementDescriptionFilenameExt(basename);
5344   if (filename != NULL)
5345     return filename;
5346
5347   return NULL;
5348 }
5349
5350 static void InitDynamicEditorElementList(int **elements, int *num_elements)
5351 {
5352   boolean element_found[NUM_FILE_ELEMENTS];
5353   int i, x, y;
5354
5355   /* initialize list of used elements to "not used" */
5356   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5357     element_found[i] = FALSE;
5358
5359   /* find all elements used in current level */
5360   for (y = 0; y < lev_fieldy; y++)
5361     for (x = 0; x < lev_fieldx; x++)
5362       if (Feld[x][y] < NUM_FILE_ELEMENTS)       /* should always be true */
5363         element_found[Feld[x][y]] = TRUE;
5364
5365   *num_elements = 0;
5366
5367   /* count number of elements used in current level */
5368   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5369     if (element_found[i])
5370       (*num_elements)++;
5371
5372   /* add space for up to 3 more elements for padding that may be needed */
5373   *num_elements += 3;
5374
5375   /* free memory for old list of elements, if needed */
5376   checked_free(*elements);
5377
5378   /* allocate memory for new list of elements */
5379   *elements = checked_malloc(*num_elements * sizeof(int));
5380
5381   *num_elements = 0;
5382
5383   /* add all elements used in current level (non-custom/group elements) */
5384   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5385     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
5386       (*elements)[(*num_elements)++] = i;
5387
5388   /* add all elements used in current level (custom/group elements) */
5389   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5390     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
5391       (*elements)[(*num_elements)++] = i;
5392
5393   while (*num_elements % 4)     /* pad with empty elements, if needed */
5394     (*elements)[(*num_elements)++] = EL_EMPTY;
5395 }
5396
5397 static void ReinitializeElementList_EnableSections()
5398 {
5399   /* default: enable all element sections */
5400
5401   setup_editor_el_players               = TRUE;
5402   setup_editor_el_boulderdash           = TRUE;
5403   setup_editor_el_emerald_mine          = TRUE;
5404   setup_editor_el_emerald_mine_club     = TRUE;
5405   setup_editor_el_more                  = TRUE;
5406   setup_editor_el_sokoban               = TRUE;
5407   setup_editor_el_supaplex              = TRUE;
5408   setup_editor_el_diamond_caves         = TRUE;
5409   setup_editor_el_dx_boulderdash        = TRUE;
5410   setup_editor_el_mirror_magic          = TRUE;
5411   setup_editor_el_deflektor             = TRUE;
5412   setup_editor_el_chars                 = TRUE;
5413   setup_editor_el_steel_chars           = TRUE;
5414
5415   setup_editor_el_custom                = TRUE;
5416   setup_editor_el_user_defined          = TRUE;
5417   setup_editor_el_dynamic               = TRUE;
5418
5419   /* now disable all element sections not to be displayed */
5420
5421   if (!setup.editor.el_classic)
5422   {
5423     setup_editor_el_players             = FALSE;
5424     setup_editor_el_boulderdash         = FALSE;
5425     setup_editor_el_emerald_mine        = FALSE;
5426     setup_editor_el_emerald_mine_club   = FALSE;
5427     setup_editor_el_more                = FALSE;
5428     setup_editor_el_sokoban             = FALSE;
5429     setup_editor_el_supaplex            = FALSE;
5430     setup_editor_el_diamond_caves       = FALSE;
5431     setup_editor_el_dx_boulderdash      = FALSE;
5432     setup_editor_el_mirror_magic        = FALSE;
5433     setup_editor_el_deflektor           = FALSE;
5434     setup_editor_el_chars               = FALSE;
5435     setup_editor_el_steel_chars         = FALSE;
5436   }
5437
5438   if (!setup.editor.el_custom)
5439   {
5440     setup_editor_el_custom              = FALSE;
5441   }
5442
5443   if (!setup.editor.el_user_defined)
5444   {
5445     setup_editor_el_user_defined        = FALSE;
5446   }
5447
5448   if (!setup.editor.el_dynamic)
5449   {
5450     setup_editor_el_dynamic             = FALSE;
5451   }
5452
5453   if (level.game_engine_type == GAME_ENGINE_TYPE_RND)
5454   {
5455     setup_editor_el_mirror_magic        = FALSE;
5456     setup_editor_el_deflektor           = FALSE;
5457   }
5458   else if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
5459   {
5460     setup_editor_el_boulderdash         = FALSE;
5461     setup_editor_el_more                = FALSE;
5462     setup_editor_el_sokoban             = FALSE;
5463     setup_editor_el_supaplex            = FALSE;
5464     setup_editor_el_dx_boulderdash      = FALSE;
5465     setup_editor_el_mirror_magic        = FALSE;
5466     setup_editor_el_deflektor           = FALSE;
5467     setup_editor_el_steel_chars         = FALSE;
5468
5469     setup_editor_el_custom              = FALSE;
5470   }
5471   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
5472   {
5473     setup_editor_el_players             = FALSE;
5474     setup_editor_el_boulderdash         = FALSE;
5475     setup_editor_el_emerald_mine        = FALSE;
5476     setup_editor_el_emerald_mine_club   = FALSE;
5477     setup_editor_el_more                = FALSE;
5478     setup_editor_el_sokoban             = FALSE;
5479     setup_editor_el_diamond_caves       = FALSE;
5480     setup_editor_el_dx_boulderdash      = FALSE;
5481     setup_editor_el_mirror_magic        = FALSE;
5482     setup_editor_el_deflektor           = FALSE;
5483     setup_editor_el_chars               = FALSE;
5484     setup_editor_el_steel_chars         = FALSE;
5485
5486     setup_editor_el_custom              = FALSE;
5487   }
5488   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
5489   {
5490     setup_editor_el_players             = FALSE;
5491     setup_editor_el_boulderdash         = FALSE;
5492     setup_editor_el_emerald_mine        = FALSE;
5493     setup_editor_el_emerald_mine_club   = FALSE;
5494     setup_editor_el_more                = FALSE;
5495     setup_editor_el_sokoban             = FALSE;
5496     setup_editor_el_supaplex            = FALSE;
5497     setup_editor_el_diamond_caves       = FALSE;
5498     setup_editor_el_dx_boulderdash      = FALSE;
5499     setup_editor_el_steel_chars         = FALSE;
5500
5501     setup_editor_el_custom              = FALSE;
5502   }
5503 }
5504
5505 static void ReinitializeElementList()
5506 {
5507   static boolean initialization_needed = TRUE;
5508   int pos = 0;
5509   int i, j;
5510
5511   ReinitializeElementList_EnableSections();
5512
5513   if (initialization_needed)
5514   {
5515     LoadSetup_EditorCascade();          /* load last editor cascade state */
5516
5517     /* initialize editor cascade element from saved cascade state */
5518     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5519     {
5520       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
5521       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
5522
5523       if (IS_EDITOR_CASCADE(*cascade_element))
5524         *cascade_element =
5525           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
5526            EL_CASCADE_INACTIVE(*cascade_element));
5527     }
5528
5529     initialization_needed = FALSE;
5530   }
5531
5532   checked_free(editor_elements);
5533
5534   /* reload optional user defined element list for each invocation of editor */
5535   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
5536                                    &num_editor_el_user_defined);
5537
5538   /* initialize dynamic level element list for each invocation of editor */
5539   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
5540                                &num_editor_el_dynamic);
5541
5542   /* initialize list of empty elements (used for padding, if needed) */
5543   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
5544     editor_el_empty[i] = EL_EMPTY;
5545
5546   /* do some sanity checks for each element from element list */
5547   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5548   {
5549     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5550     {
5551       int element = (*editor_elements_info[i].element_list)[j];
5552
5553       if (element >= NUM_FILE_ELEMENTS)
5554         Error(ERR_WARN, "editor element %d is runtime element", element);
5555
5556       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
5557         Error(ERR_WARN, "no element description text for element %d", element);
5558     }
5559   }
5560
5561   num_editor_elements = 0;
5562   use_el_empty = FALSE;
5563
5564   /* determine size of element list */
5565   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5566   {
5567     boolean found_inactive_cascade = FALSE;
5568
5569     if (*editor_elements_info[i].setup_value)
5570     {
5571       if (setup.editor.el_headlines)
5572       {
5573         // required for correct padding of palette headline buttons
5574         if (*editor_elements_info[i].headline_list_size > 0)
5575           num_editor_elements += editor.palette.cols;
5576
5577         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5578         {
5579           int element = (*editor_elements_info[i].headline_list)[j];
5580
5581           if (IS_EDITOR_CASCADE_INACTIVE(element))
5582             found_inactive_cascade = TRUE;
5583         }
5584       }
5585
5586       if (found_inactive_cascade)
5587         continue;
5588
5589       // required for correct padding of palette element buttons
5590       int element_list_size = *editor_elements_info[i].element_list_size;
5591       int element_rows =
5592         (element_list_size + editor.palette.cols - 1) / editor.palette.cols;
5593       int element_buttons = editor.palette.cols * element_rows;
5594
5595       num_editor_elements += element_buttons;
5596     }
5597   }
5598
5599   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
5600   {
5601     /* offer at least as many elements as element buttons exist */
5602     use_el_empty = TRUE;
5603     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
5604
5605     num_editor_elements += num_editor_el_empty;
5606   }
5607
5608   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
5609
5610   /* fill element list */
5611   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5612   {
5613     boolean found_inactive_cascade = FALSE;
5614
5615     if (*editor_elements_info[i].setup_value)
5616     {
5617       if (setup.editor.el_headlines)
5618       {
5619         // required for correct padding of palette headline buttons
5620         int headline_size = (*editor_elements_info[i].headline_list_size > 0 ?
5621                              editor.palette.cols : 0);
5622
5623         for (j = 0; j < headline_size; j++)
5624         {
5625           // use empty elements for padding of palette headline buttons
5626           int element = (j < *editor_elements_info[i].headline_list_size ?
5627                          (*editor_elements_info[i].headline_list)[j] :
5628                          editor_el_empty[0]);
5629
5630           editor_elements[pos++] = element;
5631
5632           if (IS_EDITOR_CASCADE_INACTIVE(element))
5633             found_inactive_cascade = TRUE;
5634         }
5635       }
5636
5637       if (found_inactive_cascade)
5638         continue;
5639
5640       // required for correct padding of palette element buttons
5641       int element_list_size = *editor_elements_info[i].element_list_size;
5642       int element_rows =
5643         (element_list_size + editor.palette.cols - 1) / editor.palette.cols;
5644       int element_buttons = editor.palette.cols * element_rows;
5645
5646       // copy all elements from element list
5647       for (j = 0; j < element_list_size; j++)
5648         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
5649
5650       // use empty elements for padding of palette element buttons
5651       for (j = 0; j < element_buttons - element_list_size; j++)
5652         editor_elements[pos++] = editor_el_empty[0];
5653     }
5654   }
5655
5656   /* (this function is also called before editor gadgets are initialized!) */
5657   AdjustElementListScrollbar();
5658 }
5659
5660 void PrintEditorElementList()
5661 {
5662   boolean *stop = &setup_editor_el_user_defined;
5663   int i, j;
5664
5665   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
5666   {
5667     int cascade_element = (*editor_elements_info[i].headline_list)[0];
5668
5669     if (IS_EDITOR_CASCADE(cascade_element))
5670     {
5671       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
5672       char *headline = element_info[cascade_element_show].editor_description;
5673
5674       PrintLineWithPrefix("# ", "-", 77);
5675       Print("# %s\n", headline);
5676       PrintLineWithPrefix("# ", "-", 77);
5677     }
5678
5679     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5680     {
5681       int element = (*editor_elements_info[i].headline_list)[j];
5682
5683       if (IS_EDITOR_CASCADE(element))
5684         element = EL_CHAR_MINUS;
5685
5686       Print("# %s\n", element_info[element].token_name);
5687     }
5688
5689     if (j > 0)
5690       Print("#\n");
5691
5692     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5693     {
5694       int element = (*editor_elements_info[i].element_list)[j];
5695
5696       Print("# %s\n", element_info[element].token_name);
5697     }
5698
5699     if (j > 0)
5700       Print("#\n");
5701   }
5702 }
5703
5704 static void ReinitializeElementListButtons()
5705 {
5706   static boolean last_setup_value_headlines = FALSE;
5707   static boolean initialization_needed = TRUE;
5708   int i;
5709
5710   if (!initialization_needed)   /* check if editor element setup has changed */
5711   {
5712     if (last_setup_value_headlines != setup.editor.el_headlines)
5713       initialization_needed = TRUE;
5714
5715     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5716       if (editor_elements_info[i].last_setup_value !=
5717           *editor_elements_info[i].setup_value)
5718         initialization_needed = TRUE;
5719   }
5720
5721   if (!initialization_needed)
5722     return;
5723
5724   FreeLevelEditorGadgets();
5725   CreateLevelEditorGadgets();
5726
5727   /* store current setup values for next invocation of this function */
5728   last_setup_value_headlines = setup.editor.el_headlines;
5729   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5730     editor_elements_info[i].last_setup_value =
5731       *editor_elements_info[i].setup_value;
5732
5733   initialization_needed = FALSE;
5734 }
5735
5736 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
5737                               boolean input)
5738 {
5739   int border_graphic =
5740     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
5741   struct GraphicInfo *g = &graphic_info[border_graphic];
5742   Bitmap *src_bitmap = g->bitmap;
5743   int src_x = g->src_x;
5744   int src_y = g->src_y;
5745   int border_size = g->border_size;
5746   int border_xpos = g->width  - border_size;
5747   int border_ypos = g->height - border_size;
5748   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
5749   int i;
5750
5751   BlitBitmap(src_bitmap, drawto, src_x, src_y,
5752              border_size, border_size,
5753              dest_x - border_size, dest_y - border_size);
5754   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y,
5755              border_size, border_size,
5756              dest_x + width, dest_y - border_size);
5757   BlitBitmap(src_bitmap, drawto, src_x, src_y + border_ypos,
5758              border_size, border_size,
5759              dest_x - border_size, dest_y + height);
5760   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_ypos,
5761              border_size, border_size,
5762              dest_x + width, dest_y + height);
5763
5764   for (i = 0; i < width / tilesize; i++)
5765   {
5766     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y,
5767                tilesize, border_size,
5768                dest_x + i * tilesize, dest_y - border_size);
5769     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y + border_ypos,
5770                tilesize, border_size,
5771                dest_x + i * tilesize, dest_y + height);
5772   }
5773
5774   for (i = 0; i < height / tilesize; i++)
5775   {
5776     BlitBitmap(src_bitmap, drawto, src_x, src_y + border_size,
5777                border_size, tilesize,
5778                dest_x - border_size, dest_y + i * tilesize);
5779     BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_size,
5780                border_size, tilesize,
5781                dest_x + width, dest_y + i * tilesize);
5782   }
5783
5784   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
5785 }
5786
5787 static void DrawEditorElement(int x, int y, int element)
5788 {
5789   DrawSizedElement(x, y, element, ed_tilesize);
5790 }
5791
5792 static void DrawEditorElementThruMask(int x, int y, int element)
5793 {
5794   DrawSizedElementThruMask(x, y, element, ed_tilesize);
5795 }
5796
5797 static void DrawEditorElementOrWall(int x, int y, int scroll_x, int scroll_y)
5798 {
5799   DrawSizedElementOrWall(x, y, scroll_x, scroll_y, ed_tilesize);
5800 }
5801
5802 static void DrawEditorLevel(int size_x, int size_y, int scroll_x, int scroll_y)
5803 {
5804   DrawSizedLevel(size_x, size_y, scroll_x, scroll_y, ed_tilesize);
5805 }
5806
5807 static void DrawDrawingArea(int id)
5808 {
5809   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
5810   int x, y;
5811
5812   int *value = drawingarea_info[id].value;
5813   int area_xsize = drawingarea_info[id].area_xsize;
5814   int area_ysize = drawingarea_info[id].area_ysize;
5815   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
5816
5817   for (x = 0; x < area_xsize; x++)
5818     for (y = 0; y < area_ysize; y++)
5819       DrawSizedGraphicExt(drawto,
5820                           gi->x + x * tilesize,
5821                           gi->y + y * tilesize,
5822                           el2edimg(value[x * area_ysize + y]), 0, tilesize);
5823 }
5824
5825 static void ScrollEditorLevel(int from_x, int from_y, int scroll)
5826 {
5827   int x, y;
5828   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
5829   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
5830
5831   BlitBitmap(drawto, drawto,
5832              SX + (dx == -1 ? ed_tilesize : 0),
5833              SY + (dy == -1 ? ed_tilesize : 0),
5834              (ed_fieldx * ed_tilesize) - (dx != 0 ? ed_tilesize : 0),
5835              (ed_fieldy * ed_tilesize) - (dy != 0 ? ed_tilesize : 0),
5836              SX + (dx == +1 ? ed_tilesize : 0),
5837              SY + (dy == +1 ? ed_tilesize : 0));
5838
5839   if (dx)
5840   {
5841     x = (dx == 1 ? 0 : ed_fieldx - 1);
5842     for (y = 0; y < ed_fieldy; y++)
5843       DrawEditorElementOrWall(x, y, from_x, from_y);
5844   }
5845   else if (dy)
5846   {
5847     y = (dy == 1 ? 0 : ed_fieldy - 1);
5848     for (x = 0; x < ed_fieldx; x++)
5849       DrawEditorElementOrWall(x, y, from_x, from_y);
5850   }
5851
5852   redraw_mask |= REDRAW_FIELD;
5853   BackToFront();
5854 }
5855
5856 void getEditorGraphicSource(int element, int tile_size, Bitmap **bitmap,
5857                             int *x, int *y)
5858 {
5859   getSizedGraphicSource(el2edimg(element), 0, tile_size, bitmap, x, y);
5860 }
5861
5862 static void CreateControlButtons()
5863 {
5864   struct GadgetInfo *gi;
5865   int i;
5866
5867   /* create toolbox buttons */
5868   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
5869   {
5870     int id = controlbutton_info[i].gadget_id;
5871     int type = controlbutton_info[i].gadget_type;
5872     int graphic = controlbutton_info[i].graphic;
5873     struct XYTileSize *pos = controlbutton_info[i].pos;
5874     struct GraphicInfo *gd = &graphic_info[graphic];
5875     Bitmap *deco_bitmap = NULL;
5876     int deco_x = 0, deco_y = 0, deco_xpos = 0, deco_ypos = 0;
5877     int tile_size = 0, deco_shift = 0;
5878     boolean deco_masked = FALSE;
5879     int gd_x1 = gd->src_x;
5880     int gd_y1 = gd->src_y;
5881     int gd_x2 = gd->src_x + gd->pressed_xoffset;
5882     int gd_y2 = gd->src_y + gd->pressed_yoffset;
5883     int gd_x1a = gd->src_x + gd->active_xoffset;
5884     int gd_y1a = gd->src_y + gd->active_yoffset;
5885     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
5886     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
5887     int x = pos->x;
5888     int y = pos->y;
5889     unsigned int event_mask;
5890     int radio_button_nr = RADIO_NR_NONE;
5891     boolean checked = FALSE;
5892
5893     if (type == GD_TYPE_RADIO_BUTTON)
5894     {
5895       event_mask = GD_EVENT_PRESSED;
5896       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
5897
5898       if (id == drawing_function)
5899         checked = TRUE;
5900     }
5901     else
5902     {
5903       if (id == GADGET_ID_WRAP_LEFT ||
5904           id == GADGET_ID_WRAP_RIGHT ||
5905           id == GADGET_ID_WRAP_UP ||
5906           id == GADGET_ID_WRAP_DOWN)
5907         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5908       else
5909         event_mask = GD_EVENT_RELEASED;
5910     }
5911
5912     if (id == GADGET_ID_PROPERTIES ||
5913         id == GADGET_ID_PALETTE)
5914     {
5915       x += DX;
5916       y += DY;
5917     }
5918     else if (id == GADGET_ID_ELEMENT_LEFT ||
5919              id == GADGET_ID_ELEMENT_MIDDLE ||
5920              id == GADGET_ID_ELEMENT_RIGHT)
5921     {
5922       x += DX;
5923       y += DY;
5924
5925       int element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
5926                      id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
5927                      id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 : EL_EMPTY);
5928
5929       tile_size = BUTTON_TILE_SIZE(id == GADGET_ID_ELEMENT_LEFT ?
5930                                    editor.button.element_left.tile_size :
5931                                    id == GADGET_ID_ELEMENT_MIDDLE ?
5932                                    editor.button.element_middle.tile_size :
5933                                    id == GADGET_ID_ELEMENT_RIGHT ?
5934                                    editor.button.element_right.tile_size : 0);
5935
5936       // make sure that decoration does not overlap gadget border
5937       tile_size = MIN(tile_size, MIN(gd->width, gd->height));
5938
5939       getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x,&deco_y);
5940
5941       deco_xpos = (gd->width  - tile_size) / 2;
5942       deco_ypos = (gd->height - tile_size) / 2;
5943       deco_shift = 1;
5944       deco_masked = gd->draw_masked;
5945     }
5946     else
5947     {
5948       x += EX;
5949       y += EY;
5950     }
5951
5952     gi = CreateGadget(GDI_CUSTOM_ID, id,
5953                       GDI_CUSTOM_TYPE_ID, i,
5954                       GDI_INFO_TEXT, controlbutton_info[i].infotext,
5955                       GDI_X, x,
5956                       GDI_Y, y,
5957                       GDI_WIDTH, gd->width,
5958                       GDI_HEIGHT, gd->height,
5959                       GDI_TYPE, type,
5960                       GDI_STATE, GD_BUTTON_UNPRESSED,
5961                       GDI_RADIO_NR, radio_button_nr,
5962                       GDI_CHECKED, checked,
5963                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
5964                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
5965                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
5966                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
5967                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
5968                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
5969                       GDI_DECORATION_SIZE, tile_size, tile_size,
5970                       GDI_DECORATION_SHIFTING, deco_shift, deco_shift,
5971                       GDI_DECORATION_MASKED, deco_masked,
5972                       GDI_EVENT_MASK, event_mask,
5973                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5974                       GDI_CALLBACK_ACTION, HandleControlButtons,
5975                       GDI_END);
5976
5977     if (gi == NULL)
5978       Error(ERR_EXIT, "cannot create gadget");
5979
5980     level_editor_gadget[id] = gi;
5981   }
5982
5983   /* these values are not constant, but can change at runtime */
5984   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
5985   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
5986   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
5987   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
5988   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
5989   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
5990   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
5991   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
5992   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].x    = ED_SCROLL2_UP_XPOS;
5993   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].y    = ED_SCROLL2_UP_YPOS;
5994   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].x  = ED_SCROLL2_DOWN_XPOS;
5995   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].y  = ED_SCROLL2_DOWN_YPOS;
5996
5997   /* create buttons for scrolling of drawing area and element list */
5998   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
5999   {
6000     int id = scrollbutton_info[i].gadget_id;
6001     int graphic = scrollbutton_info[i].graphic;
6002     struct GraphicInfo *gd = &graphic_info[graphic];
6003     Bitmap *gd_bitmap = gd->bitmap;
6004     int gd_x1 = gd->src_x;
6005     int gd_y1 = gd->src_y;
6006     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6007     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6008     int width  = gd->width;
6009     int height = gd->height;
6010     int x = scrollbutton_pos[i].x;
6011     int y = scrollbutton_pos[i].y;
6012     unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6013
6014     if (id == GADGET_ID_SCROLL_LIST_UP ||
6015         id == GADGET_ID_SCROLL_LIST_DOWN)
6016     {
6017       x += PX;
6018       y += PY;
6019     }
6020     else
6021     {
6022       x += SX;
6023       y += SY;
6024     }
6025
6026     gi = CreateGadget(GDI_CUSTOM_ID, id,
6027                       GDI_CUSTOM_TYPE_ID, i,
6028                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
6029                       GDI_X, x,
6030                       GDI_Y, y,
6031                       GDI_WIDTH, width,
6032                       GDI_HEIGHT, height,
6033                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6034                       GDI_STATE, GD_BUTTON_UNPRESSED,
6035                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6036                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6037                       GDI_EVENT_MASK, event_mask,
6038                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6039                       GDI_CALLBACK_ACTION, HandleControlButtons,
6040                       GDI_END);
6041
6042     if (gi == NULL)
6043       Error(ERR_EXIT, "cannot create gadget");
6044
6045     level_editor_gadget[id] = gi;
6046   }
6047
6048   /* create buttons for element list */
6049   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
6050   {
6051     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
6052     int graphic = IMG_EDITOR_PALETTE_BUTTON;
6053     struct GraphicInfo *gd = &graphic_info[graphic];
6054     Bitmap *gd_bitmap = gd->bitmap;
6055     Bitmap *deco_bitmap;
6056     int deco_x, deco_y, deco_xpos, deco_ypos;
6057     int gd_x1 = gd->src_x;
6058     int gd_y1 = gd->src_y;
6059     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6060     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6061     int xx = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
6062     int yy = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
6063     int x = PX + ED_ELEMENTLIST_XPOS + xx * gd->width;
6064     int y = PY + ED_ELEMENTLIST_YPOS + yy * gd->height;
6065     int element = editor_elements[i];
6066     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
6067     unsigned int event_mask = GD_EVENT_RELEASED;
6068
6069     getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
6070
6071     deco_xpos = (gd->width  - tile_size) / 2;
6072     deco_ypos = (gd->height - tile_size) / 2;
6073
6074     gi = CreateGadget(GDI_CUSTOM_ID, id,
6075                       GDI_CUSTOM_TYPE_ID, i,
6076                       GDI_INFO_TEXT, getElementInfoText(element),
6077                       GDI_X, x,
6078                       GDI_Y, y,
6079                       GDI_WIDTH, gd->width,
6080                       GDI_HEIGHT, gd->height,
6081                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6082                       GDI_STATE, GD_BUTTON_UNPRESSED,
6083                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6084                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6085                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
6086                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
6087                       GDI_DECORATION_SIZE, tile_size, tile_size,
6088                       GDI_DECORATION_SHIFTING, 1, 1,
6089                       GDI_EVENT_MASK, event_mask,
6090                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6091                       GDI_CALLBACK_ACTION, HandleControlButtons,
6092                       GDI_END);
6093
6094     if (gi == NULL)
6095       Error(ERR_EXIT, "cannot create gadget");
6096
6097     level_editor_gadget[id] = gi;
6098   }
6099 }
6100
6101 static void CreateCounterButtons()
6102 {
6103   int max_infotext_len = getMaxInfoTextLength();
6104   int i;
6105
6106   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
6107   {
6108     int j;
6109     int x = SX + ED_SETTINGS_X(counterbutton_info[i].x); /* down count button */
6110     int y = SY + ED_SETTINGS_Y(counterbutton_info[i].y);
6111
6112     /* determine horizontal position to the right of specified gadget */
6113     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6114       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
6115            ED_GADGET_TEXT_DISTANCE);
6116
6117     /* determine horizontal offset for leading text */
6118     if (counterbutton_info[i].text_left != NULL)
6119       x += getTextWidthForGadget(counterbutton_info[i].text_left);
6120
6121     for (j = 0; j < 2; j++)
6122     {
6123       struct GadgetInfo *gi;
6124       int id = (j == 0 ?
6125                 counterbutton_info[i].gadget_id_down :
6126                 counterbutton_info[i].gadget_id_up);
6127       int graphic;
6128       struct GraphicInfo *gd;
6129       int gd_x1, gd_x2, gd_y1, gd_y2;
6130       unsigned int event_mask;
6131       char infotext[max_infotext_len + 1];
6132
6133       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6134
6135       if (i == ED_COUNTER_ID_SELECT_LEVEL)
6136       {
6137         graphic = (j == 0 ?
6138                    IMG_GFX_EDITOR_BUTTON_PREV_LEVEL :
6139                    IMG_GFX_EDITOR_BUTTON_NEXT_LEVEL);
6140
6141         event_mask |= GD_EVENT_RELEASED;
6142
6143         if (j == 0)
6144         {
6145           x = DX + editor.button.prev_level.x;
6146           y = DY + editor.button.prev_level.y;
6147         }
6148         else
6149         {
6150           x = DX + editor.button.next_level.x;
6151           y = DY + editor.button.next_level.y;
6152         }
6153       }
6154       else
6155       {
6156         graphic = (j == 0 ?
6157                    IMG_EDITOR_COUNTER_DOWN :
6158                    IMG_EDITOR_COUNTER_UP);
6159       }
6160
6161       gd = &graphic_info[graphic];
6162
6163       gd_x1 = gd->src_x;
6164       gd_y1 = gd->src_y;
6165       gd_x2 = gd->src_x + gd->pressed_xoffset;
6166       gd_y2 = gd->src_y + gd->pressed_yoffset;
6167
6168       sprintf(infotext, "%s counter value by 1, 5 or 10",
6169               (j == 0 ? "decrease" : "increase"));
6170
6171       gi = CreateGadget(GDI_CUSTOM_ID, id,
6172                         GDI_CUSTOM_TYPE_ID, i,
6173                         GDI_INFO_TEXT, infotext,
6174                         GDI_X, x,
6175                         GDI_Y, y,
6176                         GDI_WIDTH, gd->width,
6177                         GDI_HEIGHT, gd->height,
6178                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6179                         GDI_STATE, GD_BUTTON_UNPRESSED,
6180                         GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6181                         GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6182                         GDI_EVENT_MASK, event_mask,
6183                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6184                         GDI_CALLBACK_ACTION, HandleCounterButtons,
6185                         GDI_END);
6186
6187       if (gi == NULL)
6188         Error(ERR_EXIT, "cannot create gadget");
6189
6190       level_editor_gadget[id] = gi;
6191       right_gadget_border[id] =
6192         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
6193
6194       x += gi->width + ED_GADGET_SMALL_DISTANCE;        /* text count button */
6195
6196       if (j == 0)
6197       {
6198         int font_type = FONT_INPUT_1;
6199         int font_type_active = FONT_INPUT_1_ACTIVE;
6200
6201         id = counterbutton_info[i].gadget_id_text;
6202
6203         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6204
6205         if (i == ED_COUNTER_ID_SELECT_LEVEL)
6206         {
6207           graphic = IMG_GFX_EDITOR_INPUT_LEVEL_NUMBER;
6208
6209           font_type = FONT_LEVEL_NUMBER;
6210           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
6211
6212           x = DX + editor.input.level_number.x;
6213           y = DY + editor.input.level_number.y;
6214         }
6215         else
6216         {
6217           graphic = IMG_EDITOR_COUNTER_INPUT;
6218         }
6219
6220         gd = &graphic_info[graphic];
6221
6222         gd_x1 = gd->src_x;
6223         gd_y1 = gd->src_y;
6224         gd_x2 = gd->src_x + gd->active_xoffset;
6225         gd_y2 = gd->src_y + gd->active_yoffset;
6226
6227         gi = CreateGadget(GDI_CUSTOM_ID, id,
6228                           GDI_CUSTOM_TYPE_ID, i,
6229                           GDI_INFO_TEXT, "enter counter value",
6230                           GDI_X, x,
6231                           GDI_Y, y,
6232                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
6233                           GDI_NUMBER_VALUE, 0,
6234                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
6235                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
6236                           GDI_TEXT_SIZE, 3,     /* minimal counter text size */
6237                           GDI_TEXT_FONT, font_type,
6238                           GDI_TEXT_FONT_ACTIVE, font_type_active,
6239                           GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6240                           GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6241                           GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6242                           GDI_DESIGN_WIDTH, gd->width,
6243                           GDI_EVENT_MASK, event_mask,
6244                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6245                           GDI_CALLBACK_ACTION, HandleCounterButtons,
6246                           GDI_END);
6247
6248         if (gi == NULL)
6249           Error(ERR_EXIT, "cannot create gadget");
6250
6251         level_editor_gadget[id] = gi;
6252         right_gadget_border[id] =
6253           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
6254
6255         x += gi->width + ED_GADGET_SMALL_DISTANCE;      /* up count button */
6256       }
6257     }
6258   }
6259 }
6260
6261 static void CreateDrawingAreas()
6262 {
6263   int i;
6264
6265   /* these values are not constant, but can change at runtime */
6266   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
6267   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
6268
6269   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
6270   {
6271     struct GadgetInfo *gi;
6272     unsigned int event_mask;
6273     int id = drawingarea_info[i].gadget_id;
6274     int x = SX + ED_AREA_SETTINGS_X(drawingarea_info[i]);
6275     int y = SY + ED_AREA_SETTINGS_Y(drawingarea_info[i]);
6276     int area_xsize = drawingarea_info[i].area_xsize;
6277     int area_ysize = drawingarea_info[i].area_ysize;
6278     int item_size = (id == GADGET_ID_DRAWING_LEVEL ?
6279                      ed_tilesize : ED_DRAWINGAREA_TILE_SIZE);
6280
6281     event_mask =
6282       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
6283       GD_EVENT_OFF_BORDERS | GD_EVENT_PIXEL_PRECISE;
6284
6285     /* determine horizontal position to the right of specified gadget */
6286     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
6287       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
6288            ED_DRAWINGAREA_TEXT_DISTANCE);
6289
6290     /* determine horizontal offset for leading text */
6291     if (drawingarea_info[i].text_left != NULL)
6292       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
6293
6294     gi = CreateGadget(GDI_CUSTOM_ID, id,
6295                       GDI_CUSTOM_TYPE_ID, i,
6296                       GDI_X, x,
6297                       GDI_Y, y,
6298                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
6299                       GDI_AREA_SIZE, area_xsize, area_ysize,
6300                       GDI_ITEM_SIZE, item_size, item_size,
6301                       GDI_EVENT_MASK, event_mask,
6302                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
6303                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
6304                       GDI_END);
6305
6306     if (gi == NULL)
6307       Error(ERR_EXIT, "cannot create gadget");
6308
6309     level_editor_gadget[id] = gi;
6310     right_gadget_border[id] =
6311       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
6312   }
6313 }
6314
6315 static void CreateTextInputGadgets()
6316 {
6317   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
6318   int max_infotext_len = getMaxInfoTextLength();
6319   int i;
6320
6321   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
6322   {
6323     int gd_x1 = gd->src_x;
6324     int gd_y1 = gd->src_y;
6325     int gd_x2 = gd->src_x + gd->active_xoffset;
6326     int gd_y2 = gd->src_y + gd->active_yoffset;
6327     struct GadgetInfo *gi;
6328     unsigned int event_mask;
6329     char infotext[MAX_OUTPUT_LINESIZE + 1];
6330     int id = textinput_info[i].gadget_id;
6331     int x, y;
6332
6333     if (i == ED_TEXTINPUT_ID_ELEMENT_NAME)
6334     {
6335       int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
6336       int border_size = gd->border_size;
6337       int font_nr = FONT_INPUT_1;
6338       int font_height = getFontHeight(font_nr);
6339       int xoffset = element_border + TILEX + element_border + 3 * border_size;
6340       int yoffset = element_border + (TILEY - font_height) / 2;
6341
6342       x = (editor.settings.element_name.x != -1 ?
6343            editor.settings.element_name.x :
6344            editor.settings.element_graphic.x + xoffset) - border_size;
6345       y = (editor.settings.element_name.y != -1 ?
6346            editor.settings.element_name.y :
6347            editor.settings.element_graphic.y + yoffset) - border_size;
6348     }
6349     else
6350     {
6351       x = ED_SETTINGS_X(textinput_info[i].x);
6352       y = ED_SETTINGS_Y(textinput_info[i].y);
6353     }
6354
6355     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6356
6357     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
6358     infotext[max_infotext_len] = '\0';
6359
6360     gi = CreateGadget(GDI_CUSTOM_ID, id,
6361                       GDI_CUSTOM_TYPE_ID, i,
6362                       GDI_INFO_TEXT, infotext,
6363                       GDI_X, SX + x,
6364                       GDI_Y, SY + y,
6365                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
6366                       GDI_TEXT_VALUE, textinput_info[i].value,
6367                       GDI_TEXT_SIZE, textinput_info[i].size,
6368                       GDI_TEXT_FONT, FONT_INPUT_1,
6369                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6370                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6371                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6372                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6373                       GDI_DESIGN_WIDTH, gd->width,
6374                       GDI_EVENT_MASK, event_mask,
6375                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6376                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
6377                       GDI_END);
6378
6379     if (gi == NULL)
6380       Error(ERR_EXIT, "cannot create gadget");
6381
6382     level_editor_gadget[id] = gi;
6383   }
6384 }
6385
6386 static void CreateTextAreaGadgets()
6387 {
6388   int max_infotext_len = getMaxInfoTextLength();
6389   int i;
6390
6391   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
6392   {
6393     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXTAREA];
6394     int gd_x1 = gd->src_x;
6395     int gd_y1 = gd->src_y;
6396     int gd_x2 = gd->src_x + gd->active_xoffset;
6397     int gd_y2 = gd->src_y + gd->active_yoffset;
6398     struct GadgetInfo *gi;
6399     unsigned int event_mask;
6400     char infotext[MAX_OUTPUT_LINESIZE + 1];
6401     int id = textarea_info[i].gadget_id;
6402     int area_xsize = textarea_info[i].xsize;
6403     int area_ysize = textarea_info[i].ysize;
6404
6405     event_mask = GD_EVENT_TEXT_LEAVING;
6406
6407     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
6408     infotext[max_infotext_len] = '\0';
6409
6410     gi = CreateGadget(GDI_CUSTOM_ID, id,
6411                       GDI_CUSTOM_TYPE_ID, i,
6412                       GDI_INFO_TEXT, infotext,
6413                       GDI_X, SX + ED_SETTINGS_X(textarea_info[i].x),
6414                       GDI_Y, SY + ED_SETTINGS_Y(textarea_info[i].y),
6415                       GDI_TYPE, GD_TYPE_TEXT_AREA,
6416                       GDI_AREA_SIZE, area_xsize, area_ysize,
6417                       GDI_TEXT_FONT, FONT_INPUT_1,
6418                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6419                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6420                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6421                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6422                       GDI_DESIGN_WIDTH, gd->width,
6423                       GDI_EVENT_MASK, event_mask,
6424                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6425                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
6426                       GDI_END);
6427
6428     if (gi == NULL)
6429       Error(ERR_EXIT, "cannot create gadget");
6430
6431     level_editor_gadget[id] = gi;
6432   }
6433 }
6434
6435 static void CreateSelectboxGadgets()
6436 {
6437   int max_infotext_len = getMaxInfoTextLength();
6438   int i, j;
6439
6440   for (i = 0; i < ED_NUM_SELECTBOX; i++)
6441   {
6442     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_SELECTBOX_INPUT];
6443     struct GraphicInfo *gd2 = &graphic_info[IMG_EDITOR_SELECTBOX_BUTTON];
6444     int gd_x1 = gd->src_x;
6445     int gd_y1 = gd->src_y;
6446     int gd_x2 = gd->src_x + gd->active_xoffset;
6447     int gd_y2 = gd->src_y + gd->active_yoffset;
6448     int selectbox_button_xsize = gd2->width;
6449     struct GadgetInfo *gi;
6450     unsigned int event_mask;
6451     char infotext[MAX_OUTPUT_LINESIZE + 1];
6452     int id = selectbox_info[i].gadget_id;
6453     int x = SX + ED_SETTINGS_X(selectbox_info[i].x);
6454     int y = SY + ED_SETTINGS_Y(selectbox_info[i].y);
6455
6456     if (selectbox_info[i].size == -1)   /* dynamically determine size */
6457     {
6458       /* (we cannot use -1 for uninitialized values if we directly compare
6459          with results from strlen(), because the '<' and '>' operation will
6460          implicitely cast -1 to an unsigned integer value!) */
6461       selectbox_info[i].size = 0;
6462
6463       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
6464         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
6465           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
6466
6467       selectbox_info[i].size++;         /* add one character empty space */
6468     }
6469
6470     event_mask = GD_EVENT_RELEASED |
6471       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6472
6473     /* determine horizontal position to the right of specified gadget */
6474     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
6475       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
6476            ED_GADGET_TEXT_DISTANCE);
6477
6478     /* determine horizontal offset for leading text */
6479     if (selectbox_info[i].text_left != NULL)
6480       x += getTextWidthForGadget(selectbox_info[i].text_left);
6481
6482     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
6483     infotext[max_infotext_len] = '\0';
6484
6485     gi = CreateGadget(GDI_CUSTOM_ID, id,
6486                       GDI_CUSTOM_TYPE_ID, i,
6487                       GDI_INFO_TEXT, infotext,
6488                       GDI_X, x,
6489                       GDI_Y, y,
6490                       GDI_TYPE, GD_TYPE_SELECTBOX,
6491                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
6492                       GDI_SELECTBOX_CHAR_UNSELECTABLE, '[',
6493                       GDI_TEXT_SIZE, selectbox_info[i].size,
6494                       GDI_TEXT_FONT, FONT_INPUT_1,
6495                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6496                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
6497                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6498                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6499                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6500                       GDI_BORDER_SIZE_SELECTBUTTON, selectbox_button_xsize,
6501                       GDI_DESIGN_WIDTH, gd->width,
6502                       GDI_EVENT_MASK, event_mask,
6503                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6504                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
6505                       GDI_END);
6506
6507     if (gi == NULL)
6508       Error(ERR_EXIT, "cannot create gadget");
6509
6510     level_editor_gadget[id] = gi;
6511     right_gadget_border[id] =
6512       getRightGadgetBorder(gi, selectbox_info[i].text_right);
6513   }
6514 }
6515
6516 static void CreateTextbuttonGadgets()
6517 {
6518   int max_infotext_len = getMaxInfoTextLength();
6519   int i;
6520
6521   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
6522   {
6523     int id = textbutton_info[i].gadget_id;
6524     int is_tab_button =
6525       ((id >= GADGET_ID_LEVELINFO_LEVEL && id <= GADGET_ID_LEVELINFO_EDITOR) ||
6526        (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE));
6527     int graphic =
6528       (is_tab_button ? IMG_EDITOR_TABBUTTON : IMG_EDITOR_TEXTBUTTON);
6529     int gadget_distance =
6530       (is_tab_button ? ED_GADGET_SMALL_DISTANCE : ED_GADGET_TEXT_DISTANCE);
6531     struct GraphicInfo *gd = &graphic_info[graphic];
6532     int gd_x1 = gd->src_x;
6533     int gd_y1 = gd->src_y;
6534     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6535     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6536     int gd_x1a = gd->src_x + gd->active_xoffset;
6537     int gd_y1a = gd->src_y + gd->active_yoffset;
6538     int border_xsize = gd->border_size + gd->draw_xoffset;
6539     int border_ysize = gd->border_size;
6540     struct GadgetInfo *gi;
6541     unsigned int event_mask;
6542     char infotext[MAX_OUTPUT_LINESIZE + 1];
6543     int x = SX + ED_SETTINGS_X(textbutton_info[i].x);
6544     int y = SY + ED_SETTINGS_Y(textbutton_info[i].y);
6545
6546     if (textbutton_info[i].size == -1)  /* dynamically determine size */
6547       textbutton_info[i].size = strlen(textbutton_info[i].text);
6548
6549     event_mask = GD_EVENT_RELEASED;
6550
6551     sprintf(infotext, "%s", textbutton_info[i].infotext);
6552     infotext[max_infotext_len] = '\0';
6553
6554     /* determine horizontal position to the right of specified gadget */
6555     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6556     {
6557       int gadget_id_align = textbutton_info[i].gadget_id_align;
6558
6559       x = right_gadget_border[gadget_id_align] + gadget_distance;
6560
6561       if (textbutton_info[i].y == -1)
6562         y = level_editor_gadget[gadget_id_align]->y;
6563     }
6564
6565     /* determine horizontal offset for leading text */
6566     if (textbutton_info[i].text_left != NULL)
6567       x += getTextWidthForGadget(textbutton_info[i].text_left);
6568
6569     gi = CreateGadget(GDI_CUSTOM_ID, id,
6570                       GDI_CUSTOM_TYPE_ID, i,
6571                       GDI_INFO_TEXT, infotext,
6572                       GDI_X, x,
6573                       GDI_Y, y,
6574                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
6575                       GDI_TEXT_VALUE, textbutton_info[i].text,
6576                       GDI_TEXT_SIZE, textbutton_info[i].size,
6577                       GDI_TEXT_FONT, FONT_INPUT_2,
6578                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2_ACTIVE,
6579                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6580                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6581                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6582                       GDI_BORDER_SIZE, border_xsize, border_ysize,
6583                       GDI_DESIGN_WIDTH, gd->width,
6584                       GDI_DECORATION_SHIFTING, 1, 1,
6585                       GDI_EVENT_MASK, event_mask,
6586                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6587                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
6588                       GDI_END);
6589
6590     if (gi == NULL)
6591       Error(ERR_EXIT, "cannot create gadget");
6592
6593     level_editor_gadget[id] = gi;
6594     right_gadget_border[id] =
6595       getRightGadgetBorder(gi, textbutton_info[i].text_right);
6596   }
6597 }
6598
6599 static void CreateGraphicbuttonGadgets()
6600 {
6601   struct GadgetInfo *gi;
6602   unsigned int event_mask;
6603   int i;
6604
6605   /* create buttons for scrolling of drawing area and element list */
6606   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
6607   {
6608     int id = graphicbutton_info[i].gadget_id;
6609     int x = SX + ED_SETTINGS_X(graphicbutton_info[i].x);
6610     int y = SY + ED_SETTINGS_Y(graphicbutton_info[i].y);
6611     struct GraphicInfo *gd = &graphic_info[graphicbutton_info[i].graphic];
6612     int gd_x1 = gd->src_x;
6613     int gd_y1 = gd->src_y;
6614     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6615     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6616
6617     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6618
6619     /* determine horizontal position to the right of specified gadget */
6620     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6621       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
6622            ED_GADGET_TEXT_DISTANCE);
6623
6624     /* determine horizontal offset for leading text */
6625     if (graphicbutton_info[i].text_left != NULL)
6626       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
6627
6628     gi = CreateGadget(GDI_CUSTOM_ID, id,
6629                       GDI_CUSTOM_TYPE_ID, i,
6630                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
6631                       GDI_X, x,
6632                       GDI_Y, y,
6633                       GDI_WIDTH, gd->width,
6634                       GDI_HEIGHT, gd->height,
6635                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6636                       GDI_STATE, GD_BUTTON_UNPRESSED,
6637                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6638                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6639                       GDI_EVENT_MASK, event_mask,
6640                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6641                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
6642                       GDI_END);
6643
6644     if (gi == NULL)
6645       Error(ERR_EXIT, "cannot create gadget");
6646
6647     level_editor_gadget[id] = gi;
6648     right_gadget_border[id] =
6649       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
6650   }
6651 }
6652
6653 static void CreateScrollbarGadgets()
6654 {
6655   int i;
6656
6657   /* these values are not constant, but can change at runtime */
6658   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
6659     SX + ED_SCROLL_HORIZONTAL_XPOS;
6660   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
6661     SY + ED_SCROLL_HORIZONTAL_YPOS;
6662   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
6663     ED_SCROLL_HORIZONTAL_XSIZE;
6664   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
6665     ED_SCROLL_HORIZONTAL_YSIZE;
6666   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
6667   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
6668   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
6669   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
6670
6671   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
6672     SX + ED_SCROLL_VERTICAL_XPOS;
6673   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
6674     SY + ED_SCROLL_VERTICAL_YPOS;
6675   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
6676     ED_SCROLL_VERTICAL_XSIZE;
6677   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
6678     ED_SCROLL_VERTICAL_YSIZE;
6679   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
6680   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
6681   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
6682   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
6683
6684   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
6685     PX + ED_SCROLL2_VERTICAL_XPOS;
6686   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
6687     PY + ED_SCROLL2_VERTICAL_YPOS;
6688   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
6689     ED_SCROLL2_VERTICAL_XSIZE;
6690   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
6691     ED_SCROLL2_VERTICAL_YSIZE;
6692   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = PX;
6693   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = PY;
6694   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = PXSIZE;
6695   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = PYSIZE;
6696
6697   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
6698   {
6699     int id = scrollbar_info[i].gadget_id;
6700     int graphic = scrollbar_info[i].graphic;
6701     struct GraphicInfo *gd = &graphic_info[graphic];
6702     int gd_x1 = gd->src_x;
6703     int gd_y1 = gd->src_y;
6704     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6705     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6706     struct GadgetInfo *gi;
6707     int items_max, items_visible, item_position;
6708     unsigned int event_mask;
6709
6710     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
6711     {
6712       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
6713       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
6714       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
6715     }
6716     else        /* drawing area scrollbars */
6717     {
6718       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
6719       {
6720         items_max = MAX(lev_fieldx + 2, ed_fieldx);
6721         items_visible = ed_fieldx;
6722         item_position = 0;
6723       }
6724       else
6725       {
6726         items_max = MAX(lev_fieldy + 2, ed_fieldy);
6727         items_visible = ed_fieldy;
6728         item_position = 0;
6729       }
6730     }
6731
6732     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
6733
6734     gi = CreateGadget(GDI_CUSTOM_ID, id,
6735                       GDI_CUSTOM_TYPE_ID, i,
6736                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
6737                       GDI_X, scrollbar_pos[i].x,
6738                       GDI_Y, scrollbar_pos[i].y,
6739                       GDI_WIDTH, scrollbar_pos[i].width,
6740                       GDI_HEIGHT, scrollbar_pos[i].height,
6741                       GDI_TYPE, scrollbar_info[i].type,
6742                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
6743                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
6744                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
6745                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
6746                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
6747                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
6748                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
6749                       GDI_STATE, GD_BUTTON_UNPRESSED,
6750                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6751                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6752                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6753                       GDI_EVENT_MASK, event_mask,
6754                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6755                       GDI_CALLBACK_ACTION, HandleControlButtons,
6756                       GDI_END);
6757
6758     if (gi == NULL)
6759       Error(ERR_EXIT, "cannot create gadget");
6760
6761     level_editor_gadget[id] = gi;
6762   }
6763 }
6764
6765 static void CreateCheckbuttonGadgets()
6766 {
6767   struct GadgetInfo *gi;
6768   unsigned int event_mask;
6769   int i;
6770
6771   event_mask = GD_EVENT_PRESSED;
6772
6773   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
6774   {
6775     int id = checkbutton_info[i].gadget_id;
6776     int graphic = (id == GADGET_ID_STICK_ELEMENT ? IMG_EDITOR_STICKYBUTTON :
6777                    IMG_EDITOR_CHECKBOX);
6778     struct GraphicInfo *gd = &graphic_info[graphic];
6779     int gd_x1 = gd->src_x;
6780     int gd_y1 = gd->src_y;
6781     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6782     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6783     int gd_x1a = gd->src_x + gd->active_xoffset;
6784     int gd_y1a = gd->src_y + gd->active_yoffset;
6785     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
6786     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
6787     int x = SX + ED_SETTINGS_X(checkbutton_info[i].x);
6788     int y = SY + ED_SETTINGS_Y(checkbutton_info[i].y);
6789
6790     /* determine horizontal position to the right of specified gadget */
6791     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6792       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
6793            ED_GADGET_TEXT_DISTANCE);
6794
6795     /* determine horizontal offset for leading text */
6796     if (checkbutton_info[i].text_left != NULL)
6797       x += getTextWidthForGadget(checkbutton_info[i].text_left);
6798
6799     gi = CreateGadget(GDI_CUSTOM_ID, id,
6800                       GDI_CUSTOM_TYPE_ID, i,
6801                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
6802                       GDI_X, x,
6803                       GDI_Y, y,
6804                       GDI_WIDTH, gd->width,
6805                       GDI_HEIGHT, gd->height,
6806                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
6807                       GDI_CHECKED, *checkbutton_info[i].value,
6808                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6809                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6810                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6811                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
6812                       GDI_EVENT_MASK, event_mask,
6813                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6814                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
6815                       GDI_END);
6816
6817     if (gi == NULL)
6818       Error(ERR_EXIT, "cannot create gadget");
6819
6820     level_editor_gadget[id] = gi;
6821     right_gadget_border[id] =
6822       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
6823   }
6824 }
6825
6826 static void CreateRadiobuttonGadgets()
6827 {
6828   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_RADIOBUTTON];
6829   int gd_x1 = gd->src_x;
6830   int gd_y1 = gd->src_y;
6831   int gd_x2 = gd->src_x + gd->pressed_xoffset;
6832   int gd_y2 = gd->src_y + gd->pressed_yoffset;
6833   int gd_x1a = gd->src_x + gd->active_xoffset;
6834   int gd_y1a = gd->src_y + gd->active_yoffset;
6835   int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
6836   int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
6837   struct GadgetInfo *gi;
6838   unsigned int event_mask;
6839   int i;
6840
6841   event_mask = GD_EVENT_PRESSED;
6842
6843   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
6844   {
6845     int id = radiobutton_info[i].gadget_id;
6846     int x = SX + ED_SETTINGS_X(radiobutton_info[i].x);
6847     int y = SY + ED_SETTINGS_Y(radiobutton_info[i].y);
6848
6849     int checked =
6850       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
6851
6852     /* determine horizontal position to the right of specified gadget */
6853     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
6854       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
6855            ED_GADGET_TEXT_DISTANCE);
6856
6857     /* determine horizontal offset for leading text */
6858     if (radiobutton_info[i].text_left != NULL)
6859       x += getTextWidthForGadget(radiobutton_info[i].text_left);
6860
6861     gi = CreateGadget(GDI_CUSTOM_ID, id,
6862                       GDI_CUSTOM_TYPE_ID, i,
6863                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
6864                       GDI_X, x,
6865                       GDI_Y, y,
6866                       GDI_WIDTH, gd->width,
6867                       GDI_HEIGHT, gd->height,
6868                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
6869                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
6870                       GDI_CHECKED, checked,
6871                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6872                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6873                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6874                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
6875                       GDI_EVENT_MASK, event_mask,
6876                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6877                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
6878                       GDI_END);
6879
6880     if (gi == NULL)
6881       Error(ERR_EXIT, "cannot create gadget");
6882
6883     level_editor_gadget[id] = gi;
6884     right_gadget_border[id] =
6885       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
6886   }
6887 }
6888
6889 void CreateLevelEditorGadgets()
6890 {
6891   /* force EDITOR font inside level editor */
6892   SetFontStatus(GAME_MODE_EDITOR);
6893
6894   /* these values are not constant, but can change at runtime */
6895   ed_fieldx = MAX_ED_FIELDX - 1;
6896   ed_fieldy = MAX_ED_FIELDY - 1;
6897
6898   num_editor_gadgets = NUM_EDITOR_GADGETS;
6899
6900   // printf("::: allocating %d gadgets ...\n", num_editor_gadgets);
6901
6902   level_editor_gadget =
6903     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
6904   right_gadget_border =
6905     checked_calloc(num_editor_gadgets * sizeof(int));
6906
6907   editor_el_empty = checked_calloc(ED_NUM_ELEMENTLIST_BUTTONS * sizeof(int));
6908   editor_el_empty_ptr = editor_el_empty;
6909
6910   use_permanent_palette = !editor.palette.show_as_separate_screen;
6911
6912   ReinitializeElementList();
6913
6914   CreateControlButtons();
6915   CreateScrollbarGadgets();
6916
6917   /* order of function calls is important because of cross-references */
6918   CreateCheckbuttonGadgets();
6919   CreateCounterButtons();
6920   CreateRadiobuttonGadgets();
6921   CreateTextInputGadgets();
6922   CreateTextAreaGadgets();
6923   CreateSelectboxGadgets();
6924   CreateGraphicbuttonGadgets();
6925   CreateTextbuttonGadgets();
6926   CreateDrawingAreas();
6927
6928   ResetFontStatus();
6929 }
6930
6931 void FreeLevelEditorGadgets()
6932 {
6933   int i;
6934
6935   // printf("::: freeing %d gadgets ...\n", num_editor_gadgets);
6936
6937   for (i = 0; i < num_editor_gadgets; i++)
6938   {
6939     FreeGadget(level_editor_gadget[i]);
6940
6941     level_editor_gadget[i] = NULL;
6942   }
6943
6944   checked_free(level_editor_gadget);
6945   checked_free(right_gadget_border);
6946
6947   checked_free(editor_el_empty);
6948 }
6949
6950 static void MapCounterButtons(int id)
6951 {
6952   int font_nr = FONT_TEXT_1;
6953   int font_height = getFontHeight(font_nr);
6954   int gadget_id_down = counterbutton_info[id].gadget_id_down;
6955   int gadget_id_text = counterbutton_info[id].gadget_id_text;
6956   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
6957   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
6958   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
6959   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
6960   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
6961   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6962   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
6963   int yoffset = (gi_down->height - font_height) / 2;
6964   int x_left = gi_down->x - xoffset_left;
6965   int x_right;  /* set after gadget position was modified */
6966   int y_above = gi_down->y - yoffset_above;
6967   int x = gi_down->x;
6968   int y;        /* set after gadget position was modified */
6969
6970   /* counter limits must be changed first to prevent value truncation */
6971   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
6972                             counterbutton_info[id].max_value);
6973
6974   /* right text position might have changed after setting position above */
6975   x_right = gi_up->x + gi_up->width + xoffset_right;
6976
6977   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
6978
6979   /* set position for "value[1,2,3,4]" counter gadgets (score in most cases) */
6980   if (id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
6981       id <= ED_COUNTER_ID_ELEMENT_VALUE4)
6982   {
6983     ModifyGadget(gi_down, GDI_Y,
6984                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
6985     ModifyGadget(gi_text, GDI_Y,
6986                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
6987     ModifyGadget(gi_up,   GDI_Y,
6988                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
6989   }
6990
6991   /* vertical position might have changed after setting position above */
6992   y = gi_up->y + yoffset;
6993
6994   if (counterbutton_info[id].text_above)
6995     DrawText(x, y_above, counterbutton_info[id].text_above, font_nr);
6996
6997   if (counterbutton_info[id].text_left)
6998     DrawText(x_left, y, counterbutton_info[id].text_left, font_nr);
6999
7000   if (counterbutton_info[id].text_right)
7001     DrawText(x_right, y, counterbutton_info[id].text_right, font_nr);
7002
7003   MapGadget(gi_down);
7004   MapGadget(gi_text);
7005   MapGadget(gi_up);
7006 }
7007
7008 static void MapControlButtons()
7009 {
7010   int counter_id;
7011   int i;
7012
7013   /* map toolbox buttons (excluding special CE toolbox buttons) */
7014   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
7015     MapGadget(level_editor_gadget[i]);
7016
7017   /* map toolbox buttons (element properties buttons) */
7018   for (i = ED_NUM_CTRL1_4_BUTTONS; i < ED_NUM_CTRL1_7_BUTTONS; i++)
7019     MapGadget(level_editor_gadget[i]);
7020
7021   if (use_permanent_palette)
7022   {
7023     /* map buttons to select elements */
7024     for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7025       MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
7026     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
7027     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
7028     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
7029   }
7030
7031   /* map buttons to select level */
7032   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
7033   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
7034   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
7035   MapCounterButtons(counter_id);
7036 }
7037
7038 static void MapDrawingArea(int id)
7039 {
7040   int font_nr = FONT_TEXT_1;
7041   int font_height = getFontHeight(font_nr);
7042   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7043   int area_xsize = gi->drawing.area_xsize;
7044   int area_ysize = gi->drawing.area_ysize;
7045   int xoffset_left = getTextWidthForDrawingArea(drawingarea_info[id].text_left);
7046   int xoffset_below = getTextWidth(drawingarea_info[id].text_below, font_nr);
7047   int x_left  = gi->x - xoffset_left;
7048   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
7049   int x_below = gi->x + (gi->width - xoffset_below) / 2;
7050   int y_side  = gi->y + (gi->height - font_height) / 2;
7051   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
7052
7053   if (drawingarea_info[id].text_left)
7054     DrawText(x_left, y_side, drawingarea_info[id].text_left, font_nr);
7055
7056   if (drawingarea_info[id].text_right)
7057     DrawText(x_right, y_side, drawingarea_info[id].text_right, font_nr);
7058
7059   if (drawingarea_info[id].text_below)
7060     DrawText(x_below, y_below, drawingarea_info[id].text_below, font_nr);
7061
7062   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
7063   {
7064     DrawElementBorder(gi->x, gi->y,
7065                       area_xsize * ED_DRAWINGAREA_TILE_SIZE,
7066                       area_ysize * ED_DRAWINGAREA_TILE_SIZE, TRUE);
7067
7068     DrawDrawingArea(id);
7069   }
7070
7071   MapGadget(gi);
7072 }
7073
7074 static void MapTextInputGadget(int id)
7075 {
7076   int font_nr = FONT_TEXT_1;
7077   int font_height = getFontHeight(font_nr);
7078   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
7079   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7080   int x_above = ED_SETTINGS_X(textinput_info[id].x);
7081   int y_above = ED_SETTINGS_Y(textinput_info[id].y) - yoffset_above;
7082
7083   if (textinput_info[id].text_above)
7084     DrawTextS(x_above, y_above, font_nr, textinput_info[id].text_above);
7085
7086   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
7087
7088   MapGadget(gi);
7089 }
7090
7091 static void MapTextAreaGadget(int id)
7092 {
7093   int font_nr = FONT_TEXT_1;
7094   int font_height = getFontHeight(font_nr);
7095   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
7096   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7097   int x_above = ED_SETTINGS_X(textarea_info[id].x);
7098   int y_above = ED_SETTINGS_Y(textarea_info[id].y) - yoffset_above;
7099
7100   if (textarea_info[id].text_above)
7101     DrawTextS(x_above, y_above, font_nr, textarea_info[id].text_above);
7102
7103   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
7104
7105   MapGadget(gi);
7106 }
7107
7108 static void MapSelectboxGadget(int id)
7109 {
7110   int font_nr = FONT_TEXT_1;
7111   int font_height = getFontHeight(font_nr);
7112   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
7113   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
7114   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7115   int yoffset = (gi->height - font_height) / 2;
7116   int x_left = gi->x - xoffset_left;
7117   int x_right = gi->x + gi->width + xoffset_right;
7118   int y = gi->y + yoffset;
7119
7120   if (selectbox_info[id].text_left)
7121     DrawText(x_left, y, selectbox_info[id].text_left, font_nr);
7122
7123   if (selectbox_info[id].text_right)
7124     DrawText(x_right, y, selectbox_info[id].text_right, font_nr);
7125
7126   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
7127
7128   MapGadget(gi);
7129 }
7130
7131 static void MapTextbuttonGadget(int id)
7132 {
7133   int font_nr = FONT_TEXT_1;
7134   int font_height = getFontHeight(font_nr);
7135   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
7136   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
7137   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7138   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7139   int yoffset = (gi->height - font_height) / 2;
7140   int x_left = gi->x - xoffset_left;
7141   int x_right = gi->x + gi->width + xoffset_right;
7142   int y_above = gi->y - yoffset_above;
7143   int x = gi->x;
7144   int y = gi->y + yoffset;
7145
7146   /* only show button to delete change pages when more than minimum pages */
7147   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
7148       custom_element.num_change_pages == MIN_CHANGE_PAGES)
7149     return;
7150
7151   if (textbutton_info[id].text_above)
7152     DrawText(x, y_above, textbutton_info[id].text_above, font_nr);
7153
7154   if (textbutton_info[id].text_left)
7155     DrawText(x_left, y, textbutton_info[id].text_left, font_nr);
7156
7157   if (textbutton_info[id].text_right)
7158     DrawText(x_right, y, textbutton_info[id].text_right, font_nr);
7159
7160   MapGadget(gi);
7161 }
7162
7163 static void MapGraphicbuttonGadget(int id)
7164 {
7165   int font_nr = FONT_TEXT_1;
7166   int font_height = getFontHeight(font_nr);
7167   struct GadgetInfo *gi= level_editor_gadget[graphicbutton_info[id].gadget_id];
7168   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
7169   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7170   int yoffset = (gi->height - font_height) / 2;
7171   int x_left = gi->x - xoffset_left;
7172   int x_right = gi->x + gi->width + xoffset_right;
7173   int y = gi->y + yoffset;
7174
7175   if (graphicbutton_info[id].text_left)
7176     DrawText(x_left, y, graphicbutton_info[id].text_left, font_nr);
7177
7178   if (graphicbutton_info[id].text_right)
7179     DrawText(x_right, y, graphicbutton_info[id].text_right, font_nr);
7180
7181   MapGadget(gi);
7182 }
7183
7184 static void MapRadiobuttonGadget(int id)
7185 {
7186   int font_nr = FONT_TEXT_1;
7187   int font_height = getFontHeight(font_nr);
7188   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
7189   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
7190   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7191   int yoffset = (gi->height - font_height) / 2;
7192   int x_left = gi->x - xoffset_left;
7193   int x_right = gi->x + gi->width + xoffset_right;
7194   int y = gi->y + yoffset;
7195   boolean checked =
7196     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
7197
7198   if (radiobutton_info[id].text_left)
7199     DrawText(x_left, y, radiobutton_info[id].text_left, font_nr);
7200
7201   if (radiobutton_info[id].text_right)
7202     DrawText(x_right, y, radiobutton_info[id].text_right, font_nr);
7203
7204   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
7205
7206   MapGadget(gi);
7207 }
7208
7209 static void MapCheckbuttonGadget(int id)
7210 {
7211   int font_nr = FONT_TEXT_1;
7212   int font_height = getFontHeight(font_nr);
7213   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
7214   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
7215   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7216   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7217   int yoffset = (gi->height - font_height) / 2;
7218   int y_above = gi->y - yoffset_above;
7219   int x = gi->x;
7220   int x_left, x_right, y;       /* set after gadget position was modified */
7221
7222   /* set position for gadgets with dynamically determined position */
7223   if (checkbutton_info[id].x != -1)     /* do not change dynamic positions */
7224     ModifyGadget(gi, GDI_X, SX + ED_SETTINGS_X(checkbutton_info[id].x),GDI_END);
7225   ModifyGadget(gi, GDI_Y, SY + ED_SETTINGS_Y(checkbutton_info[id].y), GDI_END);
7226
7227   x_left = gi->x - xoffset_left;
7228   x_right = gi->x + gi->width + xoffset_right;
7229   y = gi->y + yoffset;
7230
7231   if (checkbutton_info[id].text_above)
7232     DrawText(x, y_above, checkbutton_info[id].text_above, font_nr);
7233
7234   if (checkbutton_info[id].text_left)
7235     DrawText(x_left, y, checkbutton_info[id].text_left, font_nr);
7236
7237   if (checkbutton_info[id].text_right)
7238     DrawText(x_right, y, checkbutton_info[id].text_right, font_nr);
7239
7240   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
7241
7242   MapGadget(gi);
7243 }
7244
7245 static void MapMainDrawingArea()
7246 {
7247   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
7248   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
7249   int i;
7250
7251   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
7252   {
7253     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
7254           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
7255          no_horizontal_scrollbar) ||
7256         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
7257           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
7258          no_vertical_scrollbar))
7259       continue;
7260
7261     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
7262   }
7263
7264   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
7265   {
7266     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
7267         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
7268       continue;
7269
7270     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
7271   }
7272
7273   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
7274 }
7275
7276 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
7277 {
7278   int i;
7279
7280   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
7281   {
7282     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
7283         i == GADGET_ID_CUSTOM_COPY_TO ||
7284         i == GADGET_ID_CUSTOM_EXCHANGE ||
7285         i == GADGET_ID_CUSTOM_COPY ||
7286         i == GADGET_ID_CUSTOM_PASTE)
7287     {
7288       if (map)
7289         MapGadget(level_editor_gadget[i]);
7290       else
7291         UnmapGadget(level_editor_gadget[i]);
7292     }
7293   }
7294 }
7295
7296 static void MapLevelEditorToolboxCustomGadgets()
7297 {
7298   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
7299 }
7300
7301 static void UnmapLevelEditorToolboxCustomGadgets()
7302 {
7303   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
7304 }
7305
7306 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
7307 {
7308   int i;
7309
7310   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
7311   {
7312     if (i != GADGET_ID_SINGLE_ITEMS &&
7313         i != GADGET_ID_PICK_ELEMENT)
7314     {
7315       struct GadgetInfo *gi = level_editor_gadget[i];
7316
7317       if (map)
7318       {
7319         MapGadget(gi);
7320       }
7321       else
7322       {
7323         int graphic = IMG_EDITOR_NO_TOOLBOX_BUTTON;
7324         struct GraphicInfo *gd = &graphic_info[graphic];
7325
7326         UnmapGadget(gi);
7327
7328         BlitBitmap(gd->bitmap, drawto, gd->src_x, gd->src_y,
7329                    gi->width, gi->height, gi->x, gi->y);
7330
7331         redraw_mask |= REDRAW_DOOR_3;
7332       }
7333     }
7334   }
7335 }
7336
7337 static void MapLevelEditorToolboxDrawingGadgets()
7338 {
7339   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
7340 }
7341
7342 static void UnmapLevelEditorToolboxDrawingGadgets()
7343 {
7344   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
7345 }
7346
7347 static void UnmapDrawingArea(int id)
7348 {
7349   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
7350 }
7351
7352 static void UnmapLevelEditorFieldGadgets()
7353 {
7354   int i;
7355
7356   for (i = 0; i < num_editor_gadgets; i++)
7357     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
7358                           level_editor_gadget[i]->y))
7359       UnmapGadget(level_editor_gadget[i]);
7360 }
7361
7362 void UnmapLevelEditorGadgets()
7363 {
7364   int i;
7365
7366   for (i = 0; i < num_editor_gadgets; i++)
7367     UnmapGadget(level_editor_gadget[i]);
7368 }
7369
7370 static void ResetUndoBuffer()
7371 {
7372   undo_buffer_position = -1;
7373   undo_buffer_steps = -1;
7374   redo_buffer_steps = 0;
7375
7376   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
7377
7378   level.changed = FALSE;
7379 }
7380
7381 static void DrawEditModeWindow()
7382 {
7383   ModifyEditorElementList();
7384   RedrawDrawingElements();
7385
7386   if (edit_mode == ED_MODE_INFO)
7387     DrawLevelInfoWindow();
7388   else if (edit_mode == ED_MODE_PROPERTIES)
7389     DrawPropertiesWindow();
7390   else if (edit_mode == ED_MODE_PALETTE)
7391     DrawPaletteWindow();
7392   else  /* edit_mode == ED_MODE_DRAWING */
7393     DrawDrawingWindow();
7394 }
7395
7396 static void ChangeEditModeWindow(int new_edit_mode)
7397 {
7398   edit_mode = (new_edit_mode != edit_mode ? new_edit_mode : ED_MODE_DRAWING);
7399
7400   DrawEditModeWindow();
7401 }
7402
7403 static boolean LevelChanged()
7404 {
7405   boolean field_changed = FALSE;
7406   int x, y;
7407
7408   for (y = 0; y < lev_fieldy; y++)
7409     for (x = 0; x < lev_fieldx; x++)
7410       if (Feld[x][y] != level.field[x][y])
7411         field_changed = TRUE;
7412
7413   return (level.changed || field_changed);
7414 }
7415
7416 static boolean PrepareSavingIntoPersonalLevelSet()
7417 {
7418   static LevelDirTree *last_copied_leveldir = NULL;
7419   static LevelDirTree *last_written_leveldir = NULL;
7420   static int last_copied_level_nr = -1;
7421   static int last_written_level_nr = -1;
7422   LevelDirTree *leveldir_former = leveldir_current;
7423   int level_nr_former = level_nr;
7424   int new_level_nr;
7425
7426   // remember last mod/save so that for current session, we write
7427   // back to the same personal copy, asking only about overwrite.
7428   if (leveldir_current == last_copied_leveldir &&
7429       level_nr == last_copied_level_nr)
7430   {
7431     // "cd" to personal level set dir (as used when writing last copy)
7432     leveldir_current = last_written_leveldir;
7433     level_nr = last_written_level_nr;
7434
7435     return TRUE;
7436   }
7437
7438   if (!Request("This level is read only! "
7439                "Save into personal level set?", REQ_ASK))
7440     return FALSE;
7441
7442   // "cd" to personal level set dir (for writing copy the first time)
7443   leveldir_current =
7444     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
7445
7446   // find unused level number
7447   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
7448   {
7449     static char *level_filename = NULL;
7450
7451     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
7452
7453     if (!fileExists(level_filename))
7454       break;
7455   }
7456
7457   last_copied_leveldir = leveldir_former;
7458   last_copied_level_nr = level_nr_former;
7459
7460   last_written_leveldir = leveldir_current;
7461   last_written_level_nr = level_nr = new_level_nr;
7462
7463   return TRUE;
7464 }
7465
7466 static void ModifyLevelInfoForSavingIntoPersonalLevelSet(char *former_name)
7467 {
7468   static char *filename_levelinfo = NULL, *mod_name = NULL;
7469   FILE *file;
7470
7471   // annotate this copy-and-mod in personal levelinfo.conf
7472   setString(&filename_levelinfo,
7473             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
7474
7475   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
7476   {
7477     fprintf(file, "\n");
7478     fprintf(file, "# level %d was modified from:\n", level_nr);
7479     fprintf(file, "# - previous level set name:    %s\n",
7480             former_name);
7481     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
7482             level.file_info.nr, level.name);
7483     fprintf(file, "# - previous author:            %s\n",
7484             level.author);
7485     fprintf(file, "# - previous save date:         ");
7486
7487     if (level.creation_date.src == DATE_SRC_LEVELFILE)
7488     {
7489       fprintf(file, "%04d-%02d-%02d\n",
7490               level.creation_date.year,
7491               level.creation_date.month,
7492               level.creation_date.day);
7493     }
7494     else
7495     {
7496       fprintf(file, "not recorded\n");
7497     }
7498
7499     fclose(file);
7500   }
7501
7502   if (level_nr > leveldir_current->last_level)
7503   {
7504     static char *temp_levelinfo = NULL;
7505     FILE *temp_file = NULL;
7506     char line[MAX_LINE_LEN];
7507
7508     setString(&temp_levelinfo,
7509               getPath2(getCurrentLevelDir(),
7510                        getStringCat2(LEVELINFO_FILENAME, ".new")));
7511
7512     if ((file = fopen(filename_levelinfo, MODE_READ)) &&
7513         (temp_file = fopen(temp_levelinfo, MODE_WRITE)))
7514     {
7515       while (fgets(line, MAX_LINE_LEN, file))
7516       {
7517         if (!strPrefix(line, "levels:"))
7518           fputs(line, temp_file);
7519         else
7520           fprintf(temp_file, "%-32s%d\n", "levels:", level_nr + 9);
7521       }
7522     }
7523
7524     if (temp_file)
7525       fclose(temp_file);
7526
7527     if (file)
7528       fclose(file);
7529
7530     // needs error handling; also, ok on dos/win?
7531     unlink(filename_levelinfo);
7532     rename(temp_levelinfo, filename_levelinfo);
7533   }
7534
7535   // else: allow the save even if annotation failed
7536
7537   // now... spray graffiti on the old level vital statistics
7538   // user can change these; just trying to set a good baseline
7539
7540   // don't truncate names for fear of making offensive or silly:
7541   // long-named original author only recorded in levelinfo.conf.
7542   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
7543   if (!strEqual(level.author, leveldir_current->author))
7544   {
7545     setString(&mod_name, getStringCat3(leveldir_current->author,
7546                                        " after ", level.author));
7547
7548     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7549       setString(&mod_name,
7550                 getStringCat2(leveldir_current->author, " (ed.)"));
7551
7552     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7553       setString(&mod_name, leveldir_current->author);
7554
7555     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
7556
7557     // less worried about truncation here
7558     setString(&mod_name, getStringCat2("Mod: ", level.name));
7559     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
7560   }
7561 }
7562
7563 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
7564                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
7565 {
7566   int x, y;
7567
7568   for (x = 0; x < lev_fieldx; x++)
7569     for (y = 0; y < lev_fieldy; y++)
7570       dst[x][y] = src[x][y];
7571 }
7572
7573 static int setSelectboxValue(int selectbox_id, int new_value)
7574 {
7575   int new_index_value = 0;
7576   int i;
7577
7578   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
7579     if (selectbox_info[selectbox_id].options[i].value == new_value)
7580       new_index_value = i;
7581
7582   *selectbox_info[selectbox_id].value =
7583     selectbox_info[selectbox_id].options[new_index_value].value;
7584
7585   return new_index_value;
7586 }
7587
7588 static void setSelectboxSpecialActionVariablesIfNeeded()
7589 {
7590   int i;
7591
7592   /* change action mode and arg variables according to action type variable */
7593   for (i = 0; action_arg_options[i].value != -1; i++)
7594   {
7595     if (action_arg_options[i].value == custom_element_change.action_type)
7596     {
7597       int mode = action_arg_options[i].mode;
7598
7599       /* only change if corresponding selectbox has changed */
7600       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
7601           action_arg_modes[mode])
7602         custom_element_change.action_mode = -1;
7603
7604       /* only change if corresponding selectbox has changed */
7605       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
7606           action_arg_options[i].options)
7607         custom_element_change.action_arg = -1;
7608
7609       break;
7610     }
7611   }
7612 }
7613
7614 static void setSelectboxSpecialActionOptions()
7615 {
7616   int i;
7617
7618   /* change action mode and arg selectbox according to action type selectbox */
7619   for (i = 0; action_arg_options[i].value != -1; i++)
7620   {
7621     if (action_arg_options[i].value == custom_element_change.action_type)
7622     {
7623       int mode = action_arg_options[i].mode;
7624
7625       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
7626                                    action_arg_modes[mode]);
7627       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
7628                                  custom_element_change.action_mode);
7629
7630       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
7631                                    action_arg_options[i].options);
7632       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
7633                                  custom_element_change.action_arg);
7634       break;
7635     }
7636   }
7637 }
7638
7639 static void copy_custom_element_settings(int element_from, int element_to)
7640 {
7641   struct ElementInfo *ei_from = &element_info[element_from];
7642   struct ElementInfo *ei_to = &element_info[element_to];
7643
7644   copyElementInfo(ei_from, ei_to);
7645 }
7646
7647 static void replace_custom_element_in_settings(int element_from,
7648                                                int element_to)
7649 {
7650   int i, j, x, y;
7651
7652   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7653   {
7654     struct ElementInfo *ei = &element_info[i];
7655
7656     for (y = 0; y < 3; y++)
7657       for (x = 0; x < 3; x++)
7658         if (ei->content.e[x][y] == element_from)
7659           ei->content.e[x][y] = element_to;
7660
7661     for (j = 0; j < ei->num_change_pages; j++)
7662     {
7663       struct ElementChangeInfo *change = &ei->change_page[j];
7664
7665       if (change->target_element == element_from)
7666         change->target_element = element_to;
7667
7668       if (change->initial_trigger_element == element_from)
7669         change->initial_trigger_element = element_to;
7670
7671       if (change->action_element == element_from)
7672         change->action_element = element_to;
7673
7674       for (y = 0; y < 3; y++)
7675         for (x = 0; x < 3; x++)
7676           if (change->target_content.e[x][y] == element_from)
7677             change->target_content.e[x][y] = element_to;
7678     }
7679
7680     if (ei->group != NULL)                              /* group or internal */
7681       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
7682         if (ei->group->element[j] == element_from)
7683           ei->group->element[j] = element_to;
7684   }
7685 }
7686
7687 static void replace_custom_element_in_playfield(int element_from,
7688                                                 int element_to)
7689 {
7690   int x, y;
7691
7692   for (x = 0; x < lev_fieldx; x++)
7693     for (y = 0; y < lev_fieldy; y++)
7694       if (Feld[x][y] == element_from)
7695         Feld[x][y] = element_to;
7696 }
7697
7698 static boolean CopyCustomElement(int element_old, int element_new,
7699                                  int copy_mode)
7700 {
7701   int copy_mode_orig = copy_mode;
7702
7703   if (copy_mode == GADGET_ID_CUSTOM_COPY)
7704   {
7705     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
7706                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
7707     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
7708   }
7709   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
7710   {
7711     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
7712                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
7713     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
7714
7715     level.changed = TRUE;
7716   }
7717   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
7718   {
7719     Request("Please choose custom element!", REQ_CONFIRM);
7720
7721     return FALSE;
7722   }
7723   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
7724   {
7725     Request("Please choose group element!", REQ_CONFIRM);
7726
7727     return FALSE;
7728   }
7729   else
7730   {
7731     level.changed = TRUE;
7732   }
7733
7734   /* when modifying custom/group element, ask for copying level template */
7735   if (copy_mode_orig != GADGET_ID_CUSTOM_COPY && level.use_custom_template)
7736   {
7737     if (!AskToCopyAndModifyLevelTemplate())
7738       return FALSE;
7739   }
7740
7741   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
7742   {
7743     copy_custom_element_settings(element_new, element_old);
7744   }
7745   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
7746   {
7747     copy_custom_element_settings(element_old, element_new);
7748   }
7749   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
7750   {
7751     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
7752     copy_custom_element_settings(element_new, element_old);
7753     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
7754
7755     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
7756     replace_custom_element_in_settings(element_new, element_old);
7757     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
7758
7759     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
7760     replace_custom_element_in_playfield(element_new, element_old);
7761     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
7762   }
7763
7764   UpdateCustomElementGraphicGadgets();
7765   DrawPropertiesWindow();
7766
7767   return TRUE;
7768 }
7769
7770 static void CopyCustomElementPropertiesToEditor(int element)
7771 {
7772   int i;
7773   int current_change_page = element_info[element].current_change_page;
7774
7775   /* dynamically (re)build selectbox for selecting change page */
7776   for (i = 0; i < element_info[element].num_change_pages; i++)
7777   {
7778     sprintf(options_change_page_strings[i], "%d", i + 1);
7779
7780     options_change_page[i].value = i;
7781     options_change_page[i].text = options_change_page_strings[i];
7782   }
7783
7784   options_change_page[i].value = -1;
7785   options_change_page[i].text = NULL;
7786
7787   /* needed here to initialize combined element properties */
7788   InitElementPropertiesEngine(level.game_version);
7789
7790   element_info[element].change =
7791     &element_info[element].change_page[current_change_page];
7792
7793   custom_element = element_info[element];
7794   custom_element_change = *element_info[element].change;
7795
7796   /* needed to initially set selectbox options for special action options */
7797   setSelectboxSpecialActionOptions();
7798
7799   /* needed to initially set selectbox value variables to reliable defaults */
7800   for (i = 0; i < ED_NUM_SELECTBOX; i++)
7801     setSelectboxValue(i, *selectbox_info[i].value);
7802
7803   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
7804     custom_element_properties[i] = HAS_PROPERTY(element, i);
7805
7806   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
7807     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
7808
7809   /* ---------- element settings: configure (custom elements) ------------- */
7810
7811   /* set accessible layer selectbox help value */
7812   custom_element.access_type =
7813     (IS_WALKABLE(element) ? EP_WALKABLE :
7814      IS_PASSABLE(element) ? EP_PASSABLE :
7815      custom_element.access_type);
7816   custom_element.access_layer =
7817     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
7818      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
7819      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
7820      custom_element.access_layer);
7821   custom_element.access_protected =
7822     (IS_PROTECTED(element) ? 1 : 0);
7823   custom_element_properties[EP_ACCESSIBLE] =
7824     (IS_ACCESSIBLE_OVER(element) ||
7825      IS_ACCESSIBLE_INSIDE(element) ||
7826      IS_ACCESSIBLE_UNDER(element));
7827
7828   /* set walk-to-object action selectbox help value */
7829   custom_element.walk_to_action =
7830     (IS_DIGGABLE(element) ? EP_DIGGABLE :
7831      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
7832      IS_DROPPABLE(element) ? EP_DROPPABLE :
7833      IS_THROWABLE(element) ? EP_THROWABLE :
7834      IS_PUSHABLE(element) ? EP_PUSHABLE :
7835      custom_element.walk_to_action);
7836   custom_element_properties[EP_WALK_TO_OBJECT] =
7837     (IS_DIGGABLE(element) ||
7838      IS_COLLECTIBLE_ONLY(element) ||
7839      IS_DROPPABLE(element) ||
7840      IS_THROWABLE(element) ||
7841      IS_PUSHABLE(element));
7842
7843   /* set smash targets selectbox help value */
7844   custom_element.smash_targets =
7845     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
7846      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
7847      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
7848      custom_element.smash_targets);
7849   custom_element_properties[EP_CAN_SMASH] =
7850     (CAN_SMASH_EVERYTHING(element) ||
7851      CAN_SMASH_ENEMIES(element) ||
7852      CAN_SMASH_PLAYER(element));
7853
7854   /* set deadliness selectbox help value */
7855   custom_element.deadliness =
7856     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
7857      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
7858      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
7859      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
7860      custom_element.deadliness);
7861   custom_element_properties[EP_DEADLY] =
7862     (DONT_TOUCH(element) ||
7863      DONT_GET_HIT_BY(element) ||
7864      DONT_COLLIDE_WITH(element) ||
7865      DONT_RUN_INTO(element));
7866
7867   /* ---------- element settings: advanced (custom elements) --------------- */
7868
7869   /* set "change by direct action" selectbox help value */
7870   custom_element_change.direct_action =
7871     (HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
7872      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
7873      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
7874      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
7875      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
7876      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
7877      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
7878      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
7879      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
7880      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
7881      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
7882      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
7883      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
7884      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
7885      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
7886      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
7887      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
7888      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
7889      custom_element_change.direct_action);
7890
7891   /* set "change by other element action" selectbox help value */
7892   custom_element_change.other_action =
7893     (HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
7894      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
7895      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
7896      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
7897      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
7898      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
7899      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
7900      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
7901      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
7902      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
7903      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
7904      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
7905      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
7906      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
7907      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
7908      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
7909      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
7910      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
7911      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
7912      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
7913      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
7914      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
7915      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
7916      custom_element_change.other_action);
7917 }
7918
7919 static void CopyGroupElementPropertiesToEditor(int element)
7920 {
7921   group_element_info = *element_info[element].group;
7922   custom_element = element_info[element];       /* needed for description */
7923 }
7924
7925 static void CopyClassicElementPropertiesToEditor(int element)
7926 {
7927   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
7928     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
7929       getMoveIntoAcidProperty(&level, element);
7930
7931   if (MAYBE_DONT_COLLIDE_WITH(element))
7932     custom_element_properties[EP_DONT_COLLIDE_WITH] =
7933       getDontCollideWithProperty(&level, element);
7934 }
7935
7936 static void CopyElementPropertiesToEditor(int element)
7937 {
7938   if (IS_CUSTOM_ELEMENT(element))
7939     CopyCustomElementPropertiesToEditor(element);
7940   else if (IS_GROUP_ELEMENT(element))
7941     CopyGroupElementPropertiesToEditor(element);
7942   else
7943     CopyClassicElementPropertiesToEditor(element);
7944 }
7945
7946 static boolean AskToCopyAndModifyLevelTemplate()
7947 {
7948   if (Request("Copy and modify settings from level template?", REQ_ASK))
7949   {
7950     level.use_custom_template = FALSE;
7951
7952     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_1],
7953                  GDI_CHECKED, FALSE, GDI_END);
7954     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_2],
7955                  GDI_CHECKED, FALSE, GDI_END);
7956
7957     return TRUE;
7958   }
7959   else
7960   {
7961     LoadLevelTemplate(-1);      /* this resets all element modifications ... */
7962
7963     DrawEditModeWindow();       /* ... and copies them to 'custom_element' */
7964
7965     return FALSE;
7966   }
7967 }
7968
7969 static void CopyCustomElementPropertiesToGame(int element)
7970 {
7971   int i;
7972   int access_type_and_layer;
7973
7974   /* mark that this custom element has been modified */
7975   custom_element.modified_settings = TRUE;
7976   level.changed = TRUE;
7977
7978   if (level.use_custom_template)
7979     AskToCopyAndModifyLevelTemplate();
7980
7981   element_info[element] = custom_element;
7982   *element_info[element].change = custom_element_change;
7983
7984   /* ---------- element settings: configure (custom elements) ------------- */
7985
7986   /* set accessible property from checkbox and selectbox */
7987   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
7988   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
7989   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
7990   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
7991   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
7992   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
7993   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
7994                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
7995                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
7996   custom_element_properties[access_type_and_layer] =
7997     custom_element_properties[EP_ACCESSIBLE];
7998   custom_element_properties[EP_PROTECTED] =
7999     (custom_element.access_protected != 0 &&
8000      custom_element_properties[EP_ACCESSIBLE]);
8001
8002   /* set walk-to-object property from checkbox and selectbox */
8003   custom_element_properties[EP_DIGGABLE] = FALSE;
8004   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
8005   custom_element_properties[EP_DROPPABLE] = FALSE;
8006   custom_element_properties[EP_THROWABLE] = FALSE;
8007   custom_element_properties[EP_PUSHABLE] = FALSE;
8008   custom_element_properties[custom_element.walk_to_action] =
8009     custom_element_properties[EP_WALK_TO_OBJECT];
8010
8011   /* set smash property from checkbox and selectbox */
8012   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
8013   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
8014   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
8015   custom_element_properties[custom_element.smash_targets] =
8016     custom_element_properties[EP_CAN_SMASH];
8017
8018   /* set deadliness property from checkbox and selectbox */
8019   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
8020   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
8021   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
8022   custom_element_properties[EP_DONT_TOUCH] = FALSE;
8023   custom_element_properties[custom_element.deadliness] =
8024     custom_element_properties[EP_DEADLY];
8025
8026   /* ---------- element settings: advanced (custom elements) --------------- */
8027
8028   /* set player change event from checkbox and selectbox */
8029   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
8030   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
8031   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
8032   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
8033   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
8034   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
8035   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
8036   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
8037   custom_element_change_events[CE_SWITCHED] = FALSE;
8038   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
8039   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
8040   custom_element_change_events[CE_BLOCKED] = FALSE;
8041   custom_element_change_events[CE_IMPACT] = FALSE;
8042   custom_element_change_events[CE_SMASHED] = FALSE;
8043   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
8044   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
8045   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
8046   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
8047   custom_element_change_events[custom_element_change.direct_action] =
8048     custom_element_change_events[CE_BY_DIRECT_ACTION];
8049
8050   /* set other element action change event from checkbox and selectbox */
8051   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
8052   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
8053   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
8054   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
8055   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
8056   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
8057   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
8058   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
8059   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
8060   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
8061   custom_element_change_events[CE_TOUCHING_X] = FALSE;
8062   custom_element_change_events[CE_HITTING_X] = FALSE;
8063   custom_element_change_events[CE_DIGGING_X] = FALSE;
8064   custom_element_change_events[CE_HIT_BY_X] = FALSE;
8065   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
8066   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
8067   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
8068   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
8069   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
8070   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
8071   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
8072   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
8073   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
8074   custom_element_change_events[custom_element_change.other_action] =
8075     custom_element_change_events[CE_BY_OTHER_ACTION];
8076
8077   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
8078     SET_PROPERTY(element, i, custom_element_properties[i]);
8079
8080   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
8081     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
8082
8083   /* copy change events also to special level editor variable */
8084   custom_element = element_info[element];
8085   custom_element_change = *element_info[element].change;
8086 }
8087
8088 static void CopyGroupElementPropertiesToGame(int element)
8089 {
8090   /* mark that this group element has been modified */
8091   custom_element.modified_settings = TRUE;
8092   level.changed = TRUE;
8093
8094   if (level.use_custom_template)
8095     AskToCopyAndModifyLevelTemplate();
8096
8097   element_info[element] = custom_element;
8098   *element_info[element].group = group_element_info;
8099 }
8100
8101 static void CopyClassicElementPropertiesToGame(int element)
8102 {
8103   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
8104     setMoveIntoAcidProperty(&level, element,
8105                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
8106
8107   if (MAYBE_DONT_COLLIDE_WITH(element))
8108     setDontCollideWithProperty(&level, element,
8109                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
8110 }
8111
8112 static void CopyElementPropertiesToGame(int element)
8113 {
8114   if (IS_CUSTOM_ELEMENT(element))
8115     CopyCustomElementPropertiesToGame(element);
8116   else if (IS_GROUP_ELEMENT(element))
8117     CopyGroupElementPropertiesToGame(element);
8118   else
8119     CopyClassicElementPropertiesToGame(element);
8120 }
8121
8122 void CheckElementDescriptions()
8123 {
8124   int i;
8125
8126   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
8127     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
8128       Error(ERR_WARN, "no element description file for element '%s'",
8129             EL_NAME(i));
8130 }
8131
8132 static int getMaxEdFieldX(boolean has_scrollbar)
8133 {
8134   int scrollbar_width = (has_scrollbar ? ED_SCROLLBUTTON_XSIZE : 0);
8135   int sxsize = SXSIZE - scrollbar_width;
8136   int max_ed_fieldx = sxsize / ed_tilesize;
8137
8138   return max_ed_fieldx;
8139 }
8140
8141 static int getMaxEdFieldY(boolean has_scrollbar)
8142 {
8143   int infotext_height = INFOTEXT_YSIZE_FULL;
8144   int scrollbar_height = (has_scrollbar ? ED_SCROLLBUTTON_YSIZE : 0);
8145   int sysize = SYSIZE - scrollbar_height - infotext_height;
8146   int max_ed_fieldy = sysize / ed_tilesize;
8147
8148   return max_ed_fieldy;
8149 }
8150
8151 void InitZoomLevelSettings(int zoom_tilesize)
8152 {
8153   if (zoom_tilesize == -1)
8154     zoom_tilesize = setup.auto_setup.editor_zoom_tilesize;
8155
8156   // limit zoom tilesize by upper and lower bound
8157   zoom_tilesize = MIN(MAX(MICRO_TILESIZE, zoom_tilesize), TILESIZE);
8158
8159   ed_tilesize = setup.auto_setup.editor_zoom_tilesize = zoom_tilesize;
8160
8161   MAX_ED_FIELDX = getMaxEdFieldX(FALSE);
8162   MAX_ED_FIELDY = getMaxEdFieldY(FALSE);
8163 }
8164
8165 void DrawLevelEd()
8166 {
8167   int fade_mask = REDRAW_FIELD;
8168
8169   FadeSoundsAndMusic();
8170
8171   if (CheckIfGlobalBorderHasChanged())
8172     fade_mask = REDRAW_ALL;
8173
8174   FadeOut(fade_mask);
8175
8176   /* needed if different viewport properties defined for editor */
8177   ChangeViewportPropertiesIfNeeded();
8178
8179   ClearField();
8180
8181   InitZoomLevelSettings(-1);
8182
8183   OpenDoor(DOOR_OPEN_1 | DOOR_OPEN_2 | DOOR_NO_DELAY);
8184
8185 #if DEBUG
8186   CheckElementDescriptions();
8187 #endif
8188
8189   if (level_editor_test_game)
8190   {
8191     CopyPlayfield(level.field, Feld);
8192     CopyPlayfield(FieldBackup, level.field);
8193
8194     level_editor_test_game = FALSE;
8195   }
8196   else
8197   {
8198     edit_mode = ED_MODE_DRAWING;
8199     edit_mode_levelinfo = ED_MODE_LEVELINFO_LEVEL;
8200     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
8201
8202     ResetUndoBuffer();
8203
8204     level_xpos = -1;
8205     level_ypos = -1;
8206   }
8207
8208   /* needed for gadgets drawn on background (like palette scrollbar) */
8209   SetDoorBackgroundImage(IMG_UNDEFINED);
8210
8211   /* copy default editor door content to main double buffer */
8212   BlitBitmap(graphic_info[IMG_BACKGROUND_PALETTE].bitmap, drawto,
8213              graphic_info[IMG_BACKGROUND_PALETTE].src_x,
8214              graphic_info[IMG_BACKGROUND_PALETTE].src_y,
8215              MIN(DXSIZE, graphic_info[IMG_BACKGROUND_PALETTE].width),
8216              MIN(DYSIZE, graphic_info[IMG_BACKGROUND_PALETTE].height),
8217              DX, DY);
8218
8219   /* draw bigger door */
8220   DrawSpecialEditorDoor();
8221
8222   /* draw new control window */
8223   BlitBitmap(graphic_info[IMG_BACKGROUND_TOOLBOX].bitmap, drawto,
8224              graphic_info[IMG_BACKGROUND_TOOLBOX].src_x,
8225              graphic_info[IMG_BACKGROUND_TOOLBOX].src_y,
8226              MIN(EXSIZE, graphic_info[IMG_BACKGROUND_TOOLBOX].width),
8227              MIN(EYSIZE, graphic_info[IMG_BACKGROUND_TOOLBOX].height),
8228              EX, EY);
8229
8230   // redraw_mask |= REDRAW_ALL;
8231
8232   FreeLevelEditorGadgets();
8233   CreateLevelEditorGadgets();
8234
8235   ReinitializeElementList();            /* update dynamic level element list */
8236   ReinitializeElementListButtons();     /* custom element may look different */
8237
8238   InitElementPropertiesGfxElement();
8239
8240   UnmapAllGadgets();
8241   MapControlButtons();
8242
8243   DrawEditModeWindow();
8244
8245   DrawMaskedBorder(fade_mask);
8246
8247   FadeIn(fade_mask);
8248
8249   /* copy actual editor door content to door double buffer for OpenDoor() */
8250   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
8251 }
8252
8253 static void AdjustDrawingAreaGadgets()
8254 {
8255   int ed_xsize = lev_fieldx + 2;
8256   int ed_ysize = lev_fieldy + 2;
8257   int max_ed_fieldx = MAX_ED_FIELDX;
8258   int max_ed_fieldy = MAX_ED_FIELDY;
8259   boolean horizontal_scrollbar_needed;
8260   boolean vertical_scrollbar_needed;
8261   int x, y, width, height;
8262
8263   /* check if we need any scrollbars */
8264   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
8265   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
8266
8267   /* check if we have a smaller editor field because of scrollbars */
8268   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
8269   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
8270
8271   /* check again if we now need more scrollbars because of less space */
8272   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
8273   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
8274
8275   /* check if editor field gets even smaller after adding new scrollbars */
8276   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
8277   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
8278
8279   ed_fieldx = (ed_xsize > max_ed_fieldx ? max_ed_fieldx : ed_xsize);
8280   ed_fieldy = (ed_ysize > max_ed_fieldy ? max_ed_fieldy : ed_ysize);
8281
8282   x = SX + ed_fieldx * ed_tilesize;
8283   y = SY + ed_fieldy * ed_tilesize;
8284
8285   width  = ed_fieldx * ed_tilesize - 2 * ED_SCROLLBUTTON_XSIZE;
8286   height = ed_fieldy * ed_tilesize - 2 * ED_SCROLLBUTTON_YSIZE;
8287
8288   /* adjust drawing area gadget */
8289   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
8290                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
8291                GDI_ITEM_SIZE, ed_tilesize, ed_tilesize,
8292                GDI_END);
8293
8294   /* adjust horizontal scrollbar gadgets */
8295   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LEFT],
8296                GDI_Y, y,
8297                GDI_END);
8298   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT],
8299                GDI_X, x - ED_SCROLLBUTTON_XSIZE,
8300                GDI_Y, y,
8301                GDI_END);
8302   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
8303                GDI_Y, y,
8304                GDI_WIDTH, width,
8305                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
8306                GDI_END);
8307
8308   /* adjust vertical scrollbar gadgets */
8309   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_UP],
8310                GDI_X, x,
8311                GDI_END);
8312   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN],
8313                GDI_X, x,
8314                GDI_Y, y - ED_SCROLLBUTTON_YSIZE,
8315                GDI_END);
8316   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
8317                GDI_X, x,
8318                GDI_HEIGHT, height,
8319                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
8320                GDI_END);
8321 }
8322
8323 static void AdjustLevelScrollPosition()
8324 {
8325   if (level_xpos < -1)
8326     level_xpos = -1;
8327   if (level_xpos > lev_fieldx - ed_fieldx + 1)
8328     level_xpos = lev_fieldx - ed_fieldx + 1;
8329   if (lev_fieldx < ed_fieldx - 2)
8330     level_xpos = -1;
8331
8332   if (level_ypos < -1)
8333     level_ypos = -1;
8334   if (level_ypos > lev_fieldy - ed_fieldy + 1)
8335     level_ypos = lev_fieldy - ed_fieldy + 1;
8336   if (lev_fieldy < ed_fieldy - 2)
8337     level_ypos = -1;
8338 }
8339
8340 static void AdjustEditorScrollbar(int id)
8341 {
8342   struct GadgetInfo *gi = level_editor_gadget[id];
8343   int items_max, items_visible, item_position;
8344
8345   if (id == GADGET_ID_SCROLL_HORIZONTAL)
8346   {
8347     items_max = MAX(lev_fieldx + 2, ed_fieldx);
8348     items_visible = ed_fieldx;
8349     item_position = level_xpos + 1;
8350   }
8351   else
8352   {
8353     items_max = MAX(lev_fieldy + 2, ed_fieldy);
8354     items_visible = ed_fieldy;
8355     item_position = level_ypos + 1;
8356   }
8357
8358   if (item_position > items_max - items_visible)
8359     item_position = items_max - items_visible;
8360
8361   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
8362                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
8363 }
8364
8365 static void AdjustElementListScrollbar()
8366 {
8367   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
8368   int items_max, items_visible, item_position;
8369
8370   /* correct position of element list scrollbar */
8371   if (element_shift < 0)
8372     element_shift = 0;
8373   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
8374     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
8375
8376   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
8377   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
8378   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
8379
8380   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
8381                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
8382                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
8383 }
8384
8385 static void ModifyEditorCounterValue(int counter_id, int new_value)
8386 {
8387   int *counter_value = counterbutton_info[counter_id].value;
8388   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
8389   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8390
8391   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
8392
8393   if (counter_value != NULL)
8394     *counter_value = gi->textinput.number_value;
8395 }
8396
8397 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
8398 {
8399   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
8400   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8401
8402   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
8403
8404   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
8405       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
8406   {
8407     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
8408     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
8409
8410     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
8411     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_SMALL_DISTANCE,
8412                  GDI_END);
8413   }
8414 }
8415
8416 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
8417 {
8418   int gadget_id = selectbox_info[selectbox_id].gadget_id;
8419   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8420   int new_index_value = setSelectboxValue(selectbox_id, new_value);
8421
8422   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
8423 }
8424
8425 static void ModifyEditorSelectboxOptions(int selectbox_id,
8426                                          struct ValueTextInfo *options)
8427 {
8428   int gadget_id = selectbox_info[selectbox_id].gadget_id;
8429   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8430
8431   selectbox_info[selectbox_id].options = options;
8432
8433   /* set index to zero -- list may be shorter now (correct later, if needed) */
8434   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
8435                GDI_SELECTBOX_OPTIONS, options, GDI_END);
8436 }
8437
8438 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
8439 {
8440   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
8441   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8442
8443   drawingarea_info[drawingarea_id].area_xsize = xsize;
8444   drawingarea_info[drawingarea_id].area_ysize = ysize;
8445
8446   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
8447 }
8448
8449 static void ModifyEditorElementList()
8450 {
8451   int i;
8452
8453   if (!use_permanent_palette && edit_mode != ED_MODE_PALETTE)
8454     return;
8455
8456   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
8457   {
8458     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
8459     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8460     struct GadgetDesign *gd = &gi->deco.design;
8461     int element = editor_elements[element_shift + i];
8462     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
8463
8464     UnmapGadget(gi);
8465
8466     getEditorGraphicSource(element, tile_size, &gd->bitmap, &gd->x, &gd->y);
8467
8468     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
8469
8470     MapGadget(gi);
8471   }
8472 }
8473
8474 static void DrawDrawingElementGraphic(int element, struct XYTileSize *pos)
8475 {
8476   int graphic = el2edimg(element);
8477   int tile_size = BUTTON_TILE_SIZE(pos->tile_size);
8478
8479   if (pos->x == -1 &&
8480       pos->y == -1)
8481     return;
8482
8483   DrawSizedGraphicExt(drawto, DX + pos->x, DY + pos->y, graphic, 0, tile_size);
8484 }
8485
8486 static void ModifyDrawingElementButton(int element, int id)
8487 {
8488   struct GadgetInfo *gi = level_editor_gadget[id];
8489   Bitmap *deco_bitmap;
8490   int deco_x, deco_y;
8491   int tile_size = gi->deco.width;
8492
8493   getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
8494
8495   ModifyGadget(gi, GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y, GDI_END);
8496 }
8497
8498 static void PickDrawingElement(int button, int element)
8499 {
8500   struct
8501   {
8502     int *new_element;
8503     struct XYTileSize *pos;
8504     int id;
8505   } de, drawing_elements[] =
8506   {
8507     { &new_element1, &editor.palette.element_left,   GADGET_ID_ELEMENT_LEFT   },
8508     { &new_element2, &editor.palette.element_middle, GADGET_ID_ELEMENT_MIDDLE },
8509     { &new_element3, &editor.palette.element_right,  GADGET_ID_ELEMENT_RIGHT  },
8510   };
8511
8512   if (button < 1 || button > 3)
8513     return;
8514
8515   if (IS_MM_WALL(element))
8516     element = map_mm_wall_element(element);
8517
8518   de = drawing_elements[button - 1];
8519
8520   *de.new_element = element;    // update global drawing element variable
8521
8522   DrawDrawingElementGraphic(element, de.pos);
8523   ModifyDrawingElementButton(element, de.id);
8524
8525   redraw_mask |= REDRAW_DOOR_1;
8526 }
8527
8528 static void RedrawDrawingElements()
8529 {
8530   PickDrawingElement(1, new_element1);
8531   PickDrawingElement(2, new_element2);
8532   PickDrawingElement(3, new_element3);
8533 }
8534
8535 static void DrawDrawingWindow()
8536 {
8537   stick_element_properties_window = FALSE;
8538
8539   SetMainBackgroundImage(IMG_UNDEFINED);
8540   ClearField();
8541
8542   UnmapLevelEditorFieldGadgets();
8543   UnmapLevelEditorToolboxCustomGadgets();
8544
8545   AdjustDrawingAreaGadgets();
8546   AdjustLevelScrollPosition();
8547   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
8548   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
8549
8550   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
8551
8552   MapMainDrawingArea();
8553   MapLevelEditorToolboxDrawingGadgets();
8554 }
8555
8556 static int getTabulatorBarWidth()
8557 {
8558   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
8559   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
8560
8561   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
8562 }
8563
8564 static int getTabulatorBarHeight()
8565 {
8566   return ED_TAB_BAR_HEIGHT;
8567 }
8568
8569 static void DrawLevelInfoTabulatorGadgets()
8570 {
8571   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
8572   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
8573   int gd_x = gd->x + gd_gi1->border.width / 2;
8574   int gd_y = gd->y + gd_gi1->height - 1;
8575   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
8576   int id_first = ED_TAB_BUTTON_ID_LEVELINFO_FIRST;
8577   int id_last  = ED_TAB_BUTTON_ID_LEVELINFO_LAST;
8578   int i;
8579
8580   for (i = id_first; i <= id_last; i++)
8581   {
8582     int gadget_id = textbutton_info[i].gadget_id;
8583     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8584     boolean active = (i != edit_mode_levelinfo);
8585
8586     /* draw background line below tabulator button */
8587     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
8588
8589     /* draw solid line below inactive tabulator buttons */
8590     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
8591       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
8592                     ED_GADGET_TINY_DISTANCE, tab_color);
8593
8594     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
8595     MapTextbuttonGadget(i);
8596   }
8597
8598   /* draw little border line below tabulator buttons */
8599   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
8600     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
8601                   ED_GADGET_TINY_DISTANCE,
8602                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
8603 }
8604
8605 static void DrawPropertiesTabulatorGadgets()
8606 {
8607   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
8608   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
8609   int gd_x = gd->x + gd_gi1->border.width / 2;
8610   int gd_y = gd->y + gd_gi1->height - 1;
8611   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
8612   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
8613   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
8614   int i;
8615
8616   /* draw two config tabulators for player elements */
8617   if (ELEM_IS_PLAYER(properties_element))
8618     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
8619
8620   /* draw two config and one "change" tabulator for custom elements */
8621   if (IS_CUSTOM_ELEMENT(properties_element))
8622     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
8623
8624   for (i = id_first; i <= id_last; i++)
8625   {
8626     int gadget_id = textbutton_info[i].gadget_id;
8627     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8628     boolean active = (i != edit_mode_properties);
8629
8630     /* use "config 1" and "config 2" instead of "config" for players and CEs */
8631     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
8632         (ELEM_IS_PLAYER(properties_element) ||
8633          IS_CUSTOM_ELEMENT(properties_element)))
8634       continue;
8635
8636     /* draw background line below tabulator button */
8637     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
8638
8639     /* draw solid line below inactive tabulator buttons */
8640     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
8641       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
8642                     ED_GADGET_TINY_DISTANCE, tab_color);
8643
8644     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
8645     MapTextbuttonGadget(i);
8646   }
8647
8648   /* draw little border line below tabulator buttons */
8649   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
8650     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
8651                   ED_GADGET_TINY_DISTANCE,
8652                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
8653 }
8654
8655 static void DrawLevelInfoLevel()
8656 {
8657   int i;
8658
8659   /* draw counter gadgets */
8660   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
8661     MapCounterButtons(i);
8662
8663   /* draw checkbutton gadgets */
8664   for (i = ED_CHECKBUTTON_ID_LEVEL_FIRST; i<= ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
8665     MapCheckbuttonGadget(i);
8666
8667   /* draw selectbox gadgets */
8668   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
8669     MapSelectboxGadget(i);
8670
8671   /* draw text input gadgets */
8672   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
8673     MapTextInputGadget(i);
8674 }
8675
8676 static void DrawLevelInfoEditor()
8677 {
8678   int i;
8679
8680   /* draw counter gadgets */
8681   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
8682     MapCounterButtons(i);
8683
8684   /* draw checkbutton gadgets */
8685   for (i=ED_CHECKBUTTON_ID_EDITOR_FIRST; i<= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
8686     MapCheckbuttonGadget(i);
8687
8688   /* draw radiobutton gadgets */
8689   for (i=ED_RADIOBUTTON_ID_EDITOR_FIRST; i<= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
8690     MapRadiobuttonGadget(i);
8691
8692   /* draw drawing area */
8693   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
8694
8695   /* draw textbutton gadgets */
8696   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2);
8697 }
8698
8699 static void DrawLevelInfoWindow()
8700 {
8701   char *text = "Global Settings";
8702   int font_nr = FONT_TITLE_1;
8703   struct MenuPosInfo *pos = &editor.settings.headline;
8704   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font_nr), pos->align);
8705   int sy = SY + pos->y;
8706
8707   stick_element_properties_window = FALSE;
8708
8709   SetAutomaticNumberOfGemsNeeded();
8710
8711   UnmapLevelEditorFieldGadgets();
8712
8713   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
8714   ClearField();
8715
8716   DrawText(sx, sy, text, font_nr);
8717
8718   DrawLevelInfoTabulatorGadgets();
8719
8720   if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVEL)
8721     DrawLevelInfoLevel();
8722   else  /* (edit_mode_levelinfo == ED_MODE_LEVELINFO_EDITOR) */
8723     DrawLevelInfoEditor();
8724 }
8725
8726 static void DrawCustomContentArea()
8727 {
8728   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
8729   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
8730   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
8731   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
8732   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
8733   int xoffset = ED_GADGET_SPACE_DISTANCE;
8734
8735   /* add distance for potential left text (without drawing area border) */
8736   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
8737
8738   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
8739
8740   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
8741 }
8742
8743 static void DrawCustomChangeContentArea()
8744 {
8745   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
8746   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
8747   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
8748   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
8749   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
8750   int xoffset = ED_GADGET_SPACE_DISTANCE;
8751
8752   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
8753
8754   MapDrawingArea(id);
8755 }
8756
8757 static void RemoveElementContentArea(int id, int font_height)
8758 {
8759   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
8760
8761   DrawBackground(SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size,
8762                  SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size,
8763                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
8764                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size +
8765                  ED_GADGET_TEXT_DISTANCE + font_height);
8766 }
8767
8768 static void DrawYamYamContentAreas()
8769 {
8770   int font_nr = FONT_TEXT_1;
8771   int font_height = getFontHeight(font_nr);
8772   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
8773   int yoffset = (tilesize - font_height) / 2;
8774   int x = SX + ED_AREA_YAMYAM_CONTENT_X(3) + 4 * tilesize;
8775   int y = SY + ED_AREA_YAMYAM_CONTENT_Y(3) + yoffset;
8776   int i;
8777
8778   /* display counter to choose number of element content areas */
8779   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
8780
8781   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
8782   {
8783     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
8784
8785     if (i < level.num_yamyam_contents)
8786     {
8787       MapDrawingArea(id);
8788     }
8789     else
8790     {
8791       UnmapDrawingArea(id);
8792
8793       /* delete content areas in case of reducing number of them */
8794       RemoveElementContentArea(id, font_height);
8795     }
8796   }
8797
8798   DrawText(x, y + 0 * tilesize, "content", font_nr);
8799   DrawText(x, y + 1 * tilesize, "when",    font_nr);
8800   DrawText(x, y + 2 * tilesize, "smashed", font_nr);
8801 }
8802
8803 static void DrawMagicBallContentAreas()
8804 {
8805   int font_nr = FONT_TEXT_1;
8806   int font_height = getFontHeight(font_nr);
8807   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
8808   int yoffset = (tilesize - font_height) / 2;
8809   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_X(3) + 4 * tilesize;
8810   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_Y(3) + yoffset;
8811   int i;
8812
8813   /* display counter to choose number of element content areas */
8814   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
8815
8816   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
8817   {
8818     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
8819
8820     if (i < level.num_ball_contents)
8821     {
8822       MapDrawingArea(id);
8823     }
8824     else
8825     {
8826       UnmapDrawingArea(id);
8827
8828       /* delete content areas in case of reducing number of them */
8829       RemoveElementContentArea(id, font_height);
8830     }
8831   }
8832
8833   DrawText(x, y + 0 * tilesize, "generated", font_nr);
8834   DrawText(x, y + 1 * tilesize, "when",      font_nr);
8835   DrawText(x, y + 2 * tilesize, "active",    font_nr);
8836 }
8837
8838 static void DrawAndroidElementArea(int element)
8839 {
8840   int id = ED_DRAWING_ID_ANDROID_CONTENT;
8841   int num_elements = level.num_android_clone_elements;
8842   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
8843   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
8844   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
8845   int xsize = MAX_ANDROID_ELEMENTS;
8846   int ysize = 1;
8847
8848   /* display counter to choose number of element areas */
8849   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
8850
8851   if (drawingarea_info[id].text_left != NULL)
8852     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8853
8854   UnmapDrawingArea(id);
8855
8856   ModifyEditorDrawingArea(id, num_elements, 1);
8857
8858   /* delete content areas in case of reducing number of them */
8859   DrawBackground(sx, sy,
8860                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
8861                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
8862
8863   MapDrawingArea(id);
8864 }
8865
8866 static void DrawGroupElementArea(int element)
8867 {
8868   int id = ED_DRAWING_ID_GROUP_CONTENT;
8869   int num_elements = group_element_info.num_elements;
8870   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
8871   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
8872   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
8873   int xsize = MAX_ELEMENTS_IN_GROUP;
8874   int ysize = 1;
8875
8876   if (drawingarea_info[id].text_left != NULL)
8877     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8878
8879   UnmapDrawingArea(id);
8880
8881   ModifyEditorDrawingArea(id, num_elements, 1);
8882
8883   /* delete content areas in case of reducing number of them */
8884   DrawBackground(sx, sy,
8885                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
8886                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
8887
8888   MapDrawingArea(id);
8889 }
8890
8891 static void DrawPlayerInitialInventoryArea(int element)
8892 {
8893   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
8894   int player_nr = GET_PLAYER_NR(element);
8895   int num_elements = level.initial_inventory_size[player_nr];
8896   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
8897   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
8898   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
8899   int xsize = MAX_INITIAL_INVENTORY_SIZE;
8900   int ysize = 1;
8901
8902   /* determine horizontal position to the right of specified gadget */
8903   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
8904     sx = (right_gadget_border[drawingarea_info[id].gadget_id_align] +
8905           ED_DRAWINGAREA_TEXT_DISTANCE);
8906
8907   /* determine horizontal offset for leading text */
8908   if (drawingarea_info[id].text_left != NULL)
8909     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8910
8911   UnmapDrawingArea(id);
8912
8913   ModifyEditorDrawingArea(id, num_elements, 1);
8914
8915   /* delete content areas in case of reducing number of them */
8916   DrawBackground(sx, sy,
8917                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
8918                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
8919
8920   MapDrawingArea(id);
8921 }
8922
8923 static void DrawEnvelopeTextArea(int envelope_nr)
8924 {
8925   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
8926   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
8927
8928   UnmapGadget(gi);
8929   DrawBackground(gi->x, gi->y, gi->width, gi->height);
8930
8931   if (envelope_nr != -1)
8932     textarea_info[id].value = level.envelope[envelope_nr].text;
8933
8934   ModifyGadget(gi, GDI_AREA_SIZE,
8935                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
8936                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
8937                GDI_END);
8938
8939   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
8940 }
8941
8942 static void PrintInfoText(char *text, int font_nr, int xpos, int ypos)
8943 {
8944   DrawText(SX + xpos, SY + ypos, text, font_nr);
8945 }
8946
8947 static int PrintElementDescriptionFromFile(char *filename, int font_nr,
8948                                            int xpos, int ypos)
8949 {
8950   int font_width = getFontWidth(font_nr);
8951   int font_height = getFontHeight(font_nr);
8952   int max_chars_per_line = (SXSIZE - 2 * xpos) / font_width;
8953   int max_lines_drawable = (SYSIZE - ypos) / font_height - 1;
8954
8955   return DrawTextFile(SX + xpos, SY + ypos, filename, font_nr,
8956                       max_chars_per_line, -1, max_lines_drawable, 0, -1,
8957                       TRUE, FALSE, FALSE);
8958 }
8959
8960 static void DrawPropertiesInfo()
8961 {
8962   static struct
8963   {
8964     int value;
8965     char *text;
8966   }
8967   properties[] =
8968   {
8969     /* configurable properties */
8970
8971     { EP_WALKABLE_OVER,         "- player can walk over it"             },
8972     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
8973     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
8974     { EP_PASSABLE_OVER,         "- player can pass over it"             },
8975     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
8976     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
8977     { EP_PROTECTED,             "- player is protected by it"           },
8978
8979     { EP_DIGGABLE,              "- can be digged away"                  },
8980     { EP_COLLECTIBLE,           "- can be collected"                    },
8981     { EP_DROPPABLE,             "- can be dropped after collecting"     },
8982     { EP_THROWABLE,             "- can be thrown after collecting"      },
8983     { EP_PUSHABLE,              "- can be pushed"                       },
8984
8985     { EP_CAN_FALL,              "- can fall"                            },
8986     { EP_CAN_MOVE,              "- can move"                            },
8987
8988     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
8989 #if 0
8990     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
8991 #endif
8992     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
8993
8994     { EP_SLIPPERY,              "- slippery for falling elements"       },
8995     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
8996
8997     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
8998     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
8999     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
9000     { EP_DONT_TOUCH,            "- deadly when touching"                },
9001
9002     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
9003
9004     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
9005     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
9006     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
9007
9008     { EP_CAN_CHANGE,            "- can change to other element"         },
9009
9010     /* pre-defined properties */
9011     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
9012     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
9013     { EP_SWITCHABLE,            "- can be switched"                     },
9014 #if 0
9015     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
9016 #endif
9017
9018     { -1,                       NULL                                    }
9019   };
9020   char *filename = getElementDescriptionFilename(properties_element);
9021   char *percentage_text = "In this level: ";
9022   char *properties_text = "Standard properties: ";
9023   char *description_text = "Description:";
9024   char *no_description_text = "No description available.";
9025   char *none_text = "None";
9026   float percentage;
9027   int num_elements_in_level;
9028   int num_standard_properties = 0;
9029   int font1_nr = FONT_TEXT_1;
9030   int font2_nr = FONT_TEXT_2;
9031   int font1_width = getFontWidth(font1_nr);
9032   int font1_height = getFontHeight(font1_nr);
9033   int font2_height = getFontHeight(font2_nr);
9034   int line1_height = font1_height + ED_GADGET_LINE_DISTANCE;
9035   int font2_yoffset = (font1_height - font2_height) / 2;
9036   int percentage_text_len = strlen(percentage_text) * font1_width;
9037   int properties_text_len = strlen(properties_text) * font1_width;
9038   int xpos = ED_ELEMENT_SETTINGS_X(0);
9039   int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
9040   int i, x, y;
9041
9042   if (setup.editor.show_element_token)
9043   {
9044     int font3_nr = FONT_TEXT_3;
9045     int font3_height = getFontHeight(font3_nr);
9046
9047     DrawTextF(xpos, ypos, font3_nr,
9048               "[%s]", element_info[properties_element].token_name);
9049
9050     ypos += 2 * font3_height;
9051   }
9052
9053   /* ----- print number of elements / percentage of this element in level */
9054
9055   num_elements_in_level = 0;
9056   for (y = 0; y < lev_fieldy; y++)
9057     for (x = 0; x < lev_fieldx; x++)
9058       if (Feld[x][y] == properties_element)
9059         num_elements_in_level++;
9060   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
9061
9062   DrawTextS(xpos, ypos, font1_nr, percentage_text);
9063
9064   if (num_elements_in_level > 0)
9065     DrawTextF(xpos + percentage_text_len, ypos + font2_yoffset, font2_nr,
9066               "%d (%.2f %%)", num_elements_in_level, percentage);
9067   else
9068     DrawTextF(xpos + percentage_text_len, ypos + font2_yoffset, font2_nr,
9069               none_text);
9070
9071   ypos += 2 * MAX(font1_height, font2_height);
9072
9073   /* ----- print standard properties of this element */
9074
9075   DrawTextS(xpos, ypos, font1_nr, properties_text);
9076
9077   ypos += line1_height;
9078
9079   for (i = 0; properties[i].value != -1; i++)
9080   {
9081     if (!HAS_PROPERTY(properties_element, properties[i].value))
9082       continue;
9083
9084     DrawTextS(xpos, ypos, font2_nr, properties[i].text);
9085
9086     ypos += font2_height;
9087
9088     num_standard_properties++;
9089   }
9090
9091   if (num_standard_properties == 0)
9092   {
9093     DrawTextS(xpos + properties_text_len, ypos - line1_height + font2_yoffset,
9094               font2_nr, none_text);
9095
9096     ypos -= (line1_height - font1_height);
9097   }
9098
9099   ypos += MAX(font1_height, font2_height);
9100
9101   /* ----- print special description of this element */
9102
9103   PrintInfoText(description_text, font1_nr, xpos, ypos);
9104
9105   ypos += line1_height;
9106
9107   if (PrintElementDescriptionFromFile(filename, font2_nr, xpos, ypos) == 0)
9108     PrintInfoText(no_description_text, font1_nr, xpos, ypos - line1_height);
9109 }
9110
9111 #define TEXT_COLLECTING         "Score for collecting"
9112 #define TEXT_SMASHING           "Score for smashing"
9113 #define TEXT_SLURPING           "Score for slurping robot"
9114 #define TEXT_CRACKING           "Score for cracking"
9115 #define TEXT_AMOEBA_SPEED       "Speed of amoeba growth"
9116 #define TEXT_DURATION           "Duration when activated"
9117 #define TEXT_BALL_DELAY         "Element generation delay"
9118 #define TEXT_MOVE_SPEED         "Speed of android moving"
9119 #define TEXT_CLONE_SPEED        "Speed of android cloning"
9120 #define TEXT_GAME_OF_LIFE_1     "Min neighbours to survive"
9121 #define TEXT_GAME_OF_LIFE_2     "Max neighbours to survive"
9122 #define TEXT_GAME_OF_LIFE_3     "Min neighbours to create"
9123 #define TEXT_GAME_OF_LIFE_4     "Max neighbours to create"
9124 #define TEXT_TIME_BONUS         "Extra time to solve level"
9125
9126 static struct
9127 {
9128   int element;
9129   int *value;
9130   char *text;
9131 } elements_with_counter[] =
9132 {
9133   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
9134   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
9135   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
9136   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
9137   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
9138   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
9139   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
9140   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
9141   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
9142   { EL_BUG,             &level.score[SC_BUG],           TEXT_SMASHING   },
9143   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
9144   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
9145   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
9146   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
9147   { EL_BD_BUTTERFLY,    &level.score[SC_BUG],           TEXT_SMASHING   },
9148   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
9149   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
9150   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
9151   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
9152   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
9153   { EL_SPACESHIP,       &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9154   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9155   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9156   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9157   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9158   { EL_BD_FIREFLY,      &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9159   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9160   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9161   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9162   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9163   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9164   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9165   { EL_YAMYAM_LEFT,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9166   { EL_YAMYAM_RIGHT,    &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9167   { EL_YAMYAM_UP,       &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9168   { EL_YAMYAM_DOWN,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9169   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9170   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
9171   { EL_PACMAN,          &level.score[SC_PACMAN],        TEXT_SMASHING   },
9172   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
9173   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
9174   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
9175   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
9176   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
9177   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
9178   { EL_EM_DYNAMITE,     &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
9179   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
9180   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],TEXT_COLLECTING },
9181   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],TEXT_COLLECTING },
9182   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
9183   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
9184   { EL_EXTRA_TIME,      &level.extra_time_score,        TEXT_COLLECTING },
9185   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
9186   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
9187   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
9188   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
9189   { EL_EM_KEY_1,        &level.score[SC_KEY],           TEXT_COLLECTING },
9190   { EL_EM_KEY_2,        &level.score[SC_KEY],           TEXT_COLLECTING },
9191   { EL_EM_KEY_3,        &level.score[SC_KEY],           TEXT_COLLECTING },
9192   { EL_EM_KEY_4,        &level.score[SC_KEY],           TEXT_COLLECTING },
9193   { EL_EMC_KEY_5,       &level.score[SC_KEY],           TEXT_COLLECTING },
9194   { EL_EMC_KEY_6,       &level.score[SC_KEY],           TEXT_COLLECTING },
9195   { EL_EMC_KEY_7,       &level.score[SC_KEY],           TEXT_COLLECTING },
9196   { EL_EMC_KEY_8,       &level.score[SC_KEY],           TEXT_COLLECTING },
9197   { EL_DC_KEY_WHITE,    &level.score[SC_KEY],           TEXT_COLLECTING },
9198   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9199   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9200   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9201   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9202   { EL_EMC_DRIPPER,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9203   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
9204   { EL_BD_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
9205   { EL_DC_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
9206   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
9207
9208   { EL_TIMEGATE_SWITCH,   &level.time_timegate,         TEXT_DURATION   },
9209   { EL_DC_TIMEGATE_SWITCH,&level.time_timegate,         TEXT_DURATION   },
9210   { EL_LIGHT_SWITCH,    &level.time_light,              TEXT_DURATION   },
9211   { EL_LIGHT_SWITCH_ACTIVE, &level.time_light,          TEXT_DURATION   },
9212   { EL_SHIELD_NORMAL,   &level.shield_normal_time,      TEXT_DURATION   },
9213   { EL_SHIELD_DEADLY,   &level.shield_deadly_time,      TEXT_DURATION   },
9214   { EL_EXTRA_TIME,      &level.extra_time,              TEXT_TIME_BONUS },
9215   { EL_TIME_ORB_FULL,   &level.time_orb_time,           TEXT_TIME_BONUS },
9216   { EL_GAME_OF_LIFE,    &level.game_of_life[0],         TEXT_GAME_OF_LIFE_1 },
9217   { EL_GAME_OF_LIFE,    &level.game_of_life[1],         TEXT_GAME_OF_LIFE_2 },
9218   { EL_GAME_OF_LIFE,    &level.game_of_life[2],         TEXT_GAME_OF_LIFE_3 },
9219   { EL_GAME_OF_LIFE,    &level.game_of_life[3],         TEXT_GAME_OF_LIFE_4 },
9220   { EL_BIOMAZE,         &level.biomaze[0],              TEXT_GAME_OF_LIFE_1 },
9221   { EL_BIOMAZE,         &level.biomaze[1],              TEXT_GAME_OF_LIFE_2 },
9222   { EL_BIOMAZE,         &level.biomaze[2],              TEXT_GAME_OF_LIFE_3 },
9223   { EL_BIOMAZE,         &level.biomaze[3],              TEXT_GAME_OF_LIFE_4 },
9224
9225   { EL_EMC_ANDROID,     &level.android_move_time,       TEXT_MOVE_SPEED },
9226   { EL_EMC_ANDROID,     &level.android_clone_time,      TEXT_CLONE_SPEED },
9227   { EL_EMC_MAGIC_BALL,  &level.ball_time,               TEXT_BALL_DELAY },
9228   { EL_EMC_LENSES,      &level.lenses_score,            TEXT_COLLECTING },
9229   { EL_EMC_MAGNIFIER,   &level.magnify_score,           TEXT_COLLECTING },
9230   { EL_SPRING,          &level.slurp_score,             TEXT_SLURPING   },
9231   { EL_EMC_LENSES,      &level.lenses_time,             TEXT_DURATION   },
9232   { EL_EMC_MAGNIFIER,   &level.magnify_time,            TEXT_DURATION   },
9233 #if 0
9234   /* defined, but currently not used in MM engine */
9235   { EL_MM_FUSE_ACTIVE,  &level.mm_time_fuse,            TEXT_DURATION   },
9236 #endif
9237
9238   { -1,                 NULL,                           NULL            }
9239 };
9240
9241 static boolean checkPropertiesConfig(int element)
9242 {
9243   int i;
9244
9245   if (IS_GEM(element) ||
9246       IS_CUSTOM_ELEMENT(element) ||
9247       IS_GROUP_ELEMENT(element) ||
9248       IS_BALLOON_ELEMENT(element) ||
9249       IS_ENVELOPE(element) ||
9250       IS_MM_MCDUFFIN(element) ||
9251       IS_DF_LASER(element) ||
9252       ELEM_IS_PLAYER(element) ||
9253       HAS_EDITOR_CONTENT(element) ||
9254       CAN_GROW(element) ||
9255       COULD_MOVE_INTO_ACID(element) ||
9256       MAYBE_DONT_COLLIDE_WITH(element) ||
9257       element == EL_SOKOBAN_OBJECT ||
9258       element == EL_SOKOBAN_FIELD_EMPTY ||
9259       element == EL_SOKOBAN_FIELD_FULL)
9260     return TRUE;
9261   else
9262     for (i = 0; elements_with_counter[i].element != -1; i++)
9263       if (elements_with_counter[i].element == element)
9264         return TRUE;
9265
9266   return FALSE;
9267 }
9268
9269 static void SetAutomaticNumberOfGemsNeeded()
9270 {
9271   int x, y;
9272
9273   if (!level.auto_count_gems)
9274     return;
9275
9276   level.gems_needed = 0;
9277
9278   for (x = 0; x < lev_fieldx; x++)
9279   {
9280     for (y = 0; y < lev_fieldy; y++)
9281     {
9282       int element = Feld[x][y];
9283
9284       if (IS_GEM(element) ||
9285           element == EL_MM_KETTLE ||
9286           element == EL_DF_CELL)
9287         level.gems_needed++;
9288     }
9289   }
9290
9291   ModifyEditorCounterValue(ED_COUNTER_ID_LEVEL_GEMSLIMIT, level.gems_needed);
9292 }
9293
9294 static void DrawPropertiesConfig()
9295 {
9296   boolean draw_footer_line = FALSE;
9297   int max_num_element_counters = 4;
9298   int num_element_counters = 0;
9299   int i;
9300
9301   if (!checkPropertiesConfig(properties_element))
9302   {
9303     int xpos = ED_ELEMENT_SETTINGS_X(0);
9304     int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
9305
9306     PrintInfoText("No configuration options available.",
9307                   FONT_TEXT_1, xpos, ypos);
9308
9309     return;
9310   }
9311
9312   /* check if there are elements where a value can be chosen for */
9313   for (i = 0; elements_with_counter[i].element != -1; i++)
9314   {
9315     if (elements_with_counter[i].element == properties_element)
9316     {
9317       int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
9318
9319       counterbutton_info[counter_id].y =
9320         ED_ELEMENT_SETTINGS_YPOS(
9321                 (HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
9322                 (CAN_GROW(properties_element)                ? 1 : 0) +
9323                 (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
9324                 (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
9325                 (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
9326                 num_element_counters);
9327
9328       counterbutton_info[counter_id].value = elements_with_counter[i].value;
9329       counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
9330
9331       if (properties_element == EL_GAME_OF_LIFE ||
9332           properties_element == EL_BIOMAZE)
9333       {
9334         counterbutton_info[counter_id].min_value = 0;   /* min neighbours */
9335         counterbutton_info[counter_id].max_value = 8;   /* max neighbours */
9336       }
9337       else
9338       {
9339         /* !!! CHANGE THIS FOR CERTAIN ELEMENTS !!! */
9340         counterbutton_info[counter_id].min_value = MIN_SCORE;
9341         counterbutton_info[counter_id].max_value = MAX_SCORE;
9342       }
9343
9344       MapCounterButtons(counter_id);
9345
9346       num_element_counters++;
9347       if (num_element_counters >= max_num_element_counters)
9348         break;
9349     }
9350   }
9351
9352   if (HAS_EDITOR_CONTENT(properties_element))
9353   {
9354     /* draw stickybutton gadget */
9355     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9356
9357     if (IS_AMOEBOID(properties_element))
9358       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
9359     else if (properties_element == EL_YAMYAM ||
9360              properties_element == EL_YAMYAM_LEFT ||
9361              properties_element == EL_YAMYAM_RIGHT ||
9362              properties_element == EL_YAMYAM_UP ||
9363              properties_element == EL_YAMYAM_DOWN)
9364       DrawYamYamContentAreas();
9365     else if (properties_element == EL_EMC_MAGIC_BALL)
9366     {
9367       DrawMagicBallContentAreas();
9368
9369       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
9370       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_STATE);
9371     }
9372     else if (properties_element == EL_EMC_ANDROID)
9373       DrawAndroidElementArea(properties_element);
9374   }
9375
9376   if (ELEM_IS_PLAYER(properties_element))
9377   {
9378     int player_nr = GET_PLAYER_NR(properties_element);
9379
9380     /* these properties can be set for every player individually */
9381
9382     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
9383     {
9384       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
9385         &level.start_element[player_nr];
9386       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
9387         &level.artwork_element[player_nr];
9388       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
9389         &level.explosion_element[player_nr];
9390
9391       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
9392         &level.use_start_element[player_nr];
9393       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
9394         &level.use_artwork_element[player_nr];
9395       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
9396         &level.use_explosion_element[player_nr];
9397       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
9398         &level.initial_player_gravity[player_nr];
9399
9400       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
9401         &level.initial_player_stepsize[player_nr];
9402
9403       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
9404       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
9405                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
9406                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
9407       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
9408       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
9409       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
9410       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
9411       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_LAZY_RELOCATION);
9412       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
9413       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
9414       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
9415       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
9416       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
9417
9418       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
9419       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
9420       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
9421
9422       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
9423     }
9424     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
9425     {
9426       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
9427         &level.initial_inventory_content[player_nr][0];
9428
9429       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
9430         &level.initial_inventory_size[player_nr];
9431
9432       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
9433         &level.use_initial_inventory[player_nr];
9434
9435       /* draw checkbutton gadgets */
9436       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
9437
9438       /* draw counter gadgets */
9439       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
9440
9441       /* draw drawing area gadgets */
9442       DrawPlayerInitialInventoryArea(properties_element);
9443     }
9444   }
9445
9446   if (IS_GEM(properties_element))
9447     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
9448
9449   if (properties_element == EL_EM_DYNAMITE)
9450     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
9451
9452   if (COULD_MOVE_INTO_ACID(properties_element) &&
9453       !ELEM_IS_PLAYER(properties_element) &&
9454       (!IS_CUSTOM_ELEMENT(properties_element) ||
9455        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
9456   {
9457     /* set position for checkbutton for "can move into acid" */
9458     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
9459       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
9460     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
9461       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 6 :
9462                                IS_BALLOON_ELEMENT(properties_element) ||
9463                                HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
9464
9465     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
9466   }
9467
9468   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
9469     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
9470
9471   if (properties_element == EL_SPRING)
9472     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
9473
9474   if (properties_element == EL_TIME_ORB_FULL)
9475     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
9476
9477   if (CAN_GROW(properties_element))
9478   {
9479     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
9480       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
9481
9482     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
9483   }
9484
9485   if (properties_element == EL_SOKOBAN_OBJECT ||
9486       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
9487       properties_element == EL_SOKOBAN_FIELD_FULL)
9488     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
9489
9490   if (IS_BALLOON_ELEMENT(properties_element))
9491     MapSelectboxGadget(ED_SELECTBOX_ID_WIND_DIRECTION);
9492
9493   if (IS_ENVELOPE(properties_element))
9494   {
9495     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
9496     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
9497     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
9498     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
9499     int envelope_nr = properties_element - EL_ENVELOPE_1;
9500
9501     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
9502     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
9503
9504     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
9505     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
9506
9507     /* display counter to choose size of envelope text area */
9508     MapCounterButtons(counter1_id);
9509     MapCounterButtons(counter2_id);
9510
9511     /* display checkbuttons to choose auto-wrap and alignment properties */
9512     MapCheckbuttonGadget(button1_id);
9513     MapCheckbuttonGadget(button2_id);
9514
9515     DrawEnvelopeTextArea(envelope_nr);
9516   }
9517
9518   if (IS_MM_MCDUFFIN(properties_element))
9519   {
9520     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_RED);
9521     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_GREEN);
9522     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_BLUE);
9523   }
9524
9525   if (IS_DF_LASER(properties_element))
9526   {
9527     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_RED);
9528     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_GREEN);
9529     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_BLUE);
9530   }
9531
9532   if (IS_CUSTOM_ELEMENT(properties_element))
9533   {
9534     /* draw stickybutton gadget */
9535     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9536
9537     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
9538     {
9539       /* draw checkbutton gadgets */
9540       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
9541            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
9542         MapCheckbuttonGadget(i);
9543
9544       /* draw counter gadgets */
9545       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
9546            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
9547         MapCounterButtons(i);
9548
9549       /* draw selectbox gadgets */
9550       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
9551            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
9552         MapSelectboxGadget(i);
9553
9554       /* draw textbutton gadgets */
9555       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
9556
9557       /* draw text input gadgets */
9558       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
9559
9560       /* draw drawing area gadgets */
9561       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
9562
9563       draw_footer_line = TRUE;
9564     }
9565     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
9566     {
9567       /* draw checkbutton gadgets */
9568       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
9569            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
9570         MapCheckbuttonGadget(i);
9571
9572       /* draw counter gadgets */
9573       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
9574            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
9575         MapCounterButtons(i);
9576
9577       /* draw selectbox gadgets */
9578       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
9579            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
9580         MapSelectboxGadget(i);
9581
9582       /* draw drawing area gadgets */
9583       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
9584       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
9585       DrawCustomContentArea();
9586     }
9587   }
9588   else if (IS_GROUP_ELEMENT(properties_element))
9589   {
9590     /* draw stickybutton gadget */
9591     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9592
9593     /* draw checkbutton gadgets */
9594     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
9595     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
9596
9597     /* draw counter gadgets */
9598     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
9599
9600     /* draw selectbox gadgets */
9601     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
9602
9603     /* draw textbutton gadgets */
9604     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
9605
9606     /* draw drawing area gadgets */
9607     DrawGroupElementArea(properties_element);
9608
9609     /* draw text input gadgets */
9610     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
9611
9612     /* draw drawing area gadgets */
9613     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
9614
9615     draw_footer_line = TRUE;
9616   }
9617
9618   /* draw little footer border line above CE/GE use/save template gadgets */
9619   if (draw_footer_line)
9620   {
9621     struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
9622     struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
9623     int gd_x = gd->x + gd_gi1->border.width / 2;
9624     int gd_y = gd->y + gd_gi1->height - 1;
9625     Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
9626
9627     if (tab_color != BLACK_PIXEL)               /* black => transparent */
9628       FillRectangle(drawto,
9629                     SX + ED_ELEMENT_SETTINGS_X(0),
9630                     SY + ED_ELEMENT_SETTINGS_Y(14) - ED_SETTINGS_TABS_YOFFSET -
9631                     ED_TAB_BAR_HEIGHT,
9632                     getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
9633   }
9634 }
9635
9636 static void DrawPropertiesChangeDrawingAreas()
9637 {
9638   if (IS_CUSTOM_ELEMENT(properties_element))
9639   {
9640     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
9641     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
9642     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
9643
9644     DrawCustomChangeContentArea();
9645   }
9646
9647   redraw_mask |= REDRAW_FIELD;
9648 }
9649
9650 static void DrawPropertiesChange()
9651 {
9652   int i;
9653
9654   /* needed to initially set selectbox options for special action options */
9655   setSelectboxSpecialActionOptions();
9656
9657   /* draw stickybutton gadget */
9658   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9659
9660   /* draw checkbutton gadgets */
9661   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
9662        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
9663     MapCheckbuttonGadget(i);
9664
9665   /* draw counter gadgets */
9666   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
9667        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
9668     MapCounterButtons(i);
9669
9670   /* draw selectbox gadgets */
9671   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
9672        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
9673     MapSelectboxGadget(i);
9674
9675   /* draw textbutton gadgets */
9676   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
9677        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
9678     MapTextbuttonGadget(i);
9679
9680   /* draw graphicbutton gadgets */
9681   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
9682        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
9683     MapGraphicbuttonGadget(i);
9684
9685   /* draw drawing area gadgets */
9686   DrawPropertiesChangeDrawingAreas();
9687 }
9688
9689 static void DrawEditorElementAnimation(int x, int y)
9690 {
9691   int graphic = el2img(properties_element);
9692   int frame = (ANIM_MODE(graphic) == ANIM_CE_VALUE ?
9693                custom_element.ce_value_fixed_initial :
9694                ANIM_MODE(graphic) == ANIM_CE_SCORE ?
9695                custom_element.collect_score_initial : FrameCounter);
9696
9697   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
9698 }
9699
9700 static void DrawEditorElementName(int x, int y, int font_nr)
9701 {
9702   char *element_name = getElementInfoText(properties_element);
9703   int font_width = getFontWidth(font_nr);
9704   int font_height = getFontHeight(font_nr);
9705   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_X(0);
9706   int max_chars_per_line = max_text_width / font_width;
9707   char buffer[max_chars_per_line + 1];
9708
9709   if (strlen(element_name) <= max_chars_per_line)
9710     DrawTextS(x, y, font_nr, element_name);
9711   else
9712   {
9713     int next_pos = max_chars_per_line;
9714
9715     strncpy(buffer, element_name, max_chars_per_line);
9716     buffer[max_chars_per_line] = '\0';
9717
9718     if (element_name[max_chars_per_line] == ' ')
9719       next_pos++;
9720     else
9721     {
9722       int i;
9723
9724       for (i = max_chars_per_line - 1; i >= 0; i--)
9725         if (buffer[i] == ' ')
9726           break;
9727
9728       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
9729       {
9730         buffer[i] = '\0';
9731         next_pos = i + 1;
9732       }
9733     }
9734
9735     DrawTextS(x, y - font_height / 2, font_nr, buffer);
9736
9737     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
9738     buffer[max_chars_per_line] = '\0';
9739
9740     DrawTextS(x, y + font_height / 2, font_nr, buffer);
9741   }
9742 }
9743
9744 static void DrawPropertiesWindow()
9745 {
9746   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
9747   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
9748   int border_size = gd->border_size;
9749   int font_nr = FONT_TEXT_1;
9750   int font_height = getFontHeight(font_nr);
9751   int xoffset = TILEX + element_border + 3 * border_size;
9752   int yoffset = (TILEY - font_height) / 2;
9753   int x1 = editor.settings.element_graphic.x + element_border;
9754   int y1 = editor.settings.element_graphic.y + element_border;
9755   int x2 = (editor.settings.element_name.x == -1 ? x1 + xoffset :
9756             editor.settings.element_name.x);
9757   int y2 = (editor.settings.element_name.y == -1 ? y1 + yoffset :
9758             editor.settings.element_name.y);
9759   char *text = "Element Settings";
9760   int font2_nr = FONT_TITLE_1;
9761   struct MenuPosInfo *pos = &editor.settings.headline;
9762   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font2_nr), pos->align);
9763   int sy = SY + pos->y;
9764
9765   stick_element_properties_window = FALSE;
9766
9767   /* make sure that previous properties edit mode exists for this element */
9768   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
9769       !IS_CUSTOM_ELEMENT(properties_element))
9770     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
9771
9772   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
9773       !ELEM_IS_PLAYER(properties_element) &&
9774       !IS_CUSTOM_ELEMENT(properties_element))
9775     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
9776
9777   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
9778       (ELEM_IS_PLAYER(properties_element) ||
9779        IS_CUSTOM_ELEMENT(properties_element)))
9780     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
9781
9782   CopyElementPropertiesToEditor(properties_element);
9783
9784   UnmapLevelEditorFieldGadgets();
9785   UnmapLevelEditorToolboxDrawingGadgets();
9786   UnmapLevelEditorToolboxCustomGadgets();
9787
9788   if (IS_CUSTOM_ELEMENT(properties_element) ||
9789       IS_GROUP_ELEMENT(properties_element))
9790     MapLevelEditorToolboxCustomGadgets();
9791
9792   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
9793   ClearField();
9794
9795   DrawText(sx, sy, text, font2_nr);
9796
9797   FrameCounter = 0;     /* restart animation frame counter */
9798
9799   DrawElementBorder(SX + x1, SY + y1, TILEX, TILEY, FALSE);
9800   DrawEditorElementAnimation(SX + x1, SY + y1);
9801   DrawEditorElementName(x2, y2, font_nr);
9802
9803   DrawPropertiesTabulatorGadgets();
9804
9805   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
9806     DrawPropertiesInfo();
9807   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
9808     DrawPropertiesChange();
9809   else  /* (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2]) */
9810     DrawPropertiesConfig();
9811 }
9812
9813 static void DrawPaletteWindow()
9814 {
9815   int i;
9816
9817   UnmapLevelEditorFieldGadgets();
9818
9819   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
9820   ClearField();
9821
9822   /* map buttons to select elements */
9823   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
9824     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
9825   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
9826   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
9827   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
9828 }
9829
9830 static void UpdateCustomElementGraphicGadgets()
9831 {
9832   int i;
9833
9834   InitElementPropertiesGfxElement();
9835
9836   ModifyEditorElementList();
9837   RedrawDrawingElements();
9838
9839   /* force redraw of all mapped drawing area gadgets */
9840   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
9841   {
9842     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
9843
9844     if (gi->mapped)
9845       MapDrawingArea(i);
9846   }
9847 }
9848
9849 static int getOpenDirectionFromTube(int element)
9850 {
9851   switch (element)
9852   {
9853     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
9854     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
9855     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
9856     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
9857     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
9858     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
9859     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
9860     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
9861     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
9862     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
9863     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
9864   }
9865
9866   return MV_NONE;
9867 }
9868
9869 static int getTubeFromOpenDirection(int direction)
9870 {
9871   switch (direction)
9872   {
9873     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
9874     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
9875     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
9876     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
9877     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
9878     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
9879     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
9880     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
9881     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
9882     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
9883     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
9884
9885     /* if only one direction, fall back to simple tube with that direction */
9886     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
9887     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
9888     case (MV_UP):                       return EL_TUBE_VERTICAL;
9889     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
9890   }
9891
9892   return EL_EMPTY;
9893 }
9894
9895 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
9896 {
9897   int element_new = getTubeFromOpenDirection(direction);
9898
9899   return (element_new != EL_EMPTY ? element_new : element_old);
9900 }
9901
9902 static int getOpenDirectionFromBelt(int element)
9903 {
9904   int belt_dir = getBeltDirFromBeltElement(element);
9905
9906   return (belt_dir == MV_LEFT ? MV_RIGHT :
9907           belt_dir == MV_RIGHT ? MV_LEFT :
9908           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
9909 }
9910
9911 static int getBeltFromNrAndOpenDirection(int nr, int direction)
9912 {
9913   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
9914                   direction == MV_RIGHT ? MV_LEFT :
9915                   direction == MV_HORIZONTAL ? MV_NONE : direction);
9916
9917   if (direction == MV_NONE)
9918     return EL_EMPTY;
9919
9920   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
9921 }
9922
9923 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
9924                                                  int element_old)
9925 {
9926   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
9927
9928   return (element_new != EL_EMPTY ? element_new : element_old);
9929 }
9930
9931 static int getOpenDirectionFromPool(int element)
9932 {
9933   switch (element)
9934   {
9935     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
9936     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
9937     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
9938     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
9939     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
9940     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
9941   }
9942
9943   return MV_NONE;
9944 }
9945
9946 static int getPoolFromOpenDirection(int direction)
9947 {
9948   switch (direction)
9949   {
9950     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
9951     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
9952     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
9953     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
9954     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
9955     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
9956   }
9957
9958   return EL_EMPTY;
9959 }
9960
9961 static int getPoolFromOpenDirectionExt(int direction, int help_element)
9962 {
9963   int element = getPoolFromOpenDirection(direction);
9964   int help_direction = getOpenDirectionFromPool(help_element);
9965
9966   if (element == EL_EMPTY)
9967   {
9968     int help_direction_vertical = help_direction & MV_VERTICAL;
9969
9970     element = getPoolFromOpenDirection(direction | help_direction_vertical);
9971   }
9972
9973   if (element == EL_EMPTY)
9974   {
9975     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
9976
9977     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
9978   }
9979
9980   return element;
9981 }
9982
9983 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
9984 {
9985   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
9986
9987   return (element_new != EL_EMPTY ? element_new : element_old);
9988 }
9989
9990 static int getOpenDirectionFromPillar(int element)
9991 {
9992   switch (element)
9993   {
9994     case EL_EMC_WALL_1:                 return (MV_DOWN);
9995     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
9996     case EL_EMC_WALL_3:                 return (MV_UP);
9997   }
9998
9999   return MV_NONE;
10000 }
10001
10002 static int getPillarFromOpenDirection(int direction)
10003 {
10004   switch (direction)
10005   {
10006     case (MV_DOWN):                     return EL_EMC_WALL_1;
10007     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
10008     case (MV_UP):                       return EL_EMC_WALL_3;
10009   }
10010
10011   return EL_EMPTY;
10012 }
10013
10014 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
10015 {
10016   int element_new = getPillarFromOpenDirection(direction);
10017
10018   return (element_new != EL_EMPTY ? element_new : element_old);
10019 }
10020
10021 static int getOpenDirectionFromSteel2(int element)
10022 {
10023   switch (element)
10024   {
10025     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
10026     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
10027     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
10028     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
10029     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
10030     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
10031     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
10032     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
10033   }
10034
10035   return MV_NONE;
10036 }
10037
10038 static int getSteel2FromOpenDirection(int direction)
10039 {
10040   switch (direction)
10041   {
10042     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
10043     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
10044     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
10045     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
10046     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
10047     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
10048     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
10049     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
10050   }
10051
10052   return EL_EMPTY;
10053 }
10054
10055 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
10056 {
10057   int element_new = getSteel2FromOpenDirection(direction);
10058
10059   return (element_new != EL_EMPTY ? element_new : element_old);
10060 }
10061
10062 static int getOpenDirectionFromChip(int element)
10063 {
10064   switch (element)
10065   {
10066     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
10067     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
10068     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
10069     case EL_SP_CHIP_TOP:                return (MV_DOWN);
10070     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
10071   }
10072
10073   return MV_NONE;
10074 }
10075
10076 static int getChipFromOpenDirection(int direction)
10077 {
10078   switch (direction)
10079   {
10080     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
10081     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
10082     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
10083     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
10084     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
10085   }
10086
10087   return EL_EMPTY;
10088 }
10089
10090 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
10091 {
10092   int element_new = getChipFromOpenDirection(direction);
10093
10094   return (element_new != EL_EMPTY ? element_new : element_old);
10095 }
10096
10097 static int getClosedTube(int x, int y)
10098 {
10099   static int xy[4][2] =
10100   {
10101     { -1, 0 },
10102     { +1, 0 },
10103     { 0, -1 },
10104     { 0, +1 }
10105   };
10106   int element_old = IntelliDrawBuffer[x][y];
10107   int direction_old = getOpenDirectionFromTube(element_old);
10108   int direction_new = MV_NONE;
10109   int i;
10110
10111   for (i = 0; i < NUM_DIRECTIONS; i++)
10112   {
10113     int xx = x + xy[i][0];
10114     int yy = y + xy[i][1];
10115     int dir = MV_DIR_FROM_BIT(i);
10116     int dir_opposite = MV_DIR_OPPOSITE(dir);
10117
10118     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
10119         (direction_old & dir) &&
10120         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10121       direction_new |= dir;
10122   }
10123
10124   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
10125 }
10126
10127 static int getClosedBelt(int x, int y)
10128 {
10129   static int xy[4][2] =
10130   {
10131     { -1, 0 },
10132     { +1, 0 },
10133     { 0, -1 },
10134     { 0, +1 }
10135   };
10136   int element_old = IntelliDrawBuffer[x][y];
10137   int nr = getBeltNrFromBeltElement(element_old);
10138   int direction_old = getOpenDirectionFromBelt(element_old);
10139   int direction_new = MV_NONE;
10140   int i;
10141
10142   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
10143   {
10144     int xx = x + xy[i][0];
10145     int yy = y + xy[i][1];
10146     int dir = MV_DIR_FROM_BIT(i);
10147     int dir_opposite = MV_DIR_OPPOSITE(dir);
10148
10149     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
10150         (direction_old & dir) &&
10151         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10152       direction_new |= dir;
10153   }
10154
10155   return getBeltFromNrAndOpenDirection(nr, direction_new);
10156 }
10157
10158 static int getClosedPool(int x, int y)
10159 {
10160   static int xy[4][2] =
10161   {
10162     { -1, 0 },
10163     { +1, 0 },
10164     { 0, -1 },
10165     { 0, +1 }
10166   };
10167   int element_old = IntelliDrawBuffer[x][y];
10168   int direction_old = getOpenDirectionFromPool(element_old);
10169   int direction_new = MV_NONE;
10170   int i;
10171
10172   for (i = 0; i < NUM_DIRECTIONS; i++)
10173   {
10174     int xx = x + xy[i][0];
10175     int yy = y + xy[i][1];
10176     int dir = MV_DIR_FROM_BIT(i);
10177     int dir_opposite = MV_DIR_OPPOSITE(dir);
10178
10179     if (IN_LEV_FIELD(xx, yy) &&
10180         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
10181         (direction_old & dir) &&
10182         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10183       direction_new |= dir;
10184   }
10185
10186   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
10187 }
10188
10189 static int getClosedPillar(int x, int y)
10190 {
10191   static int xy[4][2] =
10192   {
10193     { -1, 0 },
10194     { +1, 0 },
10195     { 0, -1 },
10196     { 0, +1 }
10197   };
10198   int element_old = IntelliDrawBuffer[x][y];
10199   int direction_old = getOpenDirectionFromPillar(element_old);
10200   int direction_new = MV_NONE;
10201   int i;
10202
10203   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
10204   {
10205     int xx = x + xy[i][0];
10206     int yy = y + xy[i][1];
10207     int dir = MV_DIR_FROM_BIT(i);
10208     int dir_opposite = MV_DIR_OPPOSITE(dir);
10209
10210     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
10211         (direction_old & dir) &&
10212         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10213       direction_new |= dir;
10214   }
10215
10216   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
10217 }
10218
10219 static int getClosedSteel2(int x, int y)
10220 {
10221   static int xy[4][2] =
10222   {
10223     { -1, 0 },
10224     { +1, 0 },
10225     { 0, -1 },
10226     { 0, +1 }
10227   };
10228   int element_old = IntelliDrawBuffer[x][y];
10229   int direction_old = getOpenDirectionFromSteel2(element_old);
10230   int direction_new = MV_NONE;
10231   int i;
10232
10233   for (i = 0; i < NUM_DIRECTIONS; i++)
10234   {
10235     int xx = x + xy[i][0];
10236     int yy = y + xy[i][1];
10237     int dir = MV_DIR_FROM_BIT(i);
10238     int dir_opposite = MV_DIR_OPPOSITE(dir);
10239
10240     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
10241         (direction_old & dir) &&
10242         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10243       direction_new |= dir;
10244   }
10245
10246   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
10247 }
10248
10249 static int getClosedChip(int x, int y)
10250 {
10251   static int xy[4][2] =
10252   {
10253     { -1, 0 },
10254     { +1, 0 },
10255     { 0, -1 },
10256     { 0, +1 }
10257   };
10258   int element_old = IntelliDrawBuffer[x][y];
10259   int direction_old = getOpenDirectionFromChip(element_old);
10260   int direction_new = MV_NONE;
10261   int i;
10262
10263   for (i = 0; i < NUM_DIRECTIONS; i++)
10264   {
10265     int xx = x + xy[i][0];
10266     int yy = y + xy[i][1];
10267     int dir = MV_DIR_FROM_BIT(i);
10268     int dir_opposite = MV_DIR_OPPOSITE(dir);
10269
10270     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
10271         (direction_old & dir) &&
10272         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10273       direction_new |= dir;
10274   }
10275
10276   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
10277 }
10278
10279 static void SetElementSimpleExt(int x, int y, int dx, int dy, int element,
10280                                 boolean change_level)
10281 {
10282   int sx = x - level_xpos;
10283   int sy = y - level_ypos;
10284   int old_element = Feld[x][y];
10285   unsigned int new_bitmask = (dx + 1) << (dy * 2);
10286   boolean draw_masked = FALSE;
10287
10288   if (IS_MM_WALL_EDITOR(element))
10289   {
10290     element = map_mm_wall_element_editor(element) | new_bitmask;
10291
10292     if (IS_MM_WALL(old_element))
10293       element |= MM_WALL_BITS(old_element);
10294
10295     if (!change_level)
10296       draw_masked = TRUE;
10297   }
10298   else if (IS_MM_WALL(old_element) && element == EL_EMPTY)
10299   {
10300     int element_changed = old_element & ~new_bitmask;
10301
10302     if (MM_WALL_BITS(element_changed) != 0)
10303       element = element_changed;
10304   }
10305
10306   IntelliDrawBuffer[x][y] = element;
10307
10308   if (change_level)
10309     Feld[x][y] = element;
10310
10311   if (IN_ED_FIELD(sx, sy))
10312   {
10313     if (draw_masked)
10314       DrawEditorElementThruMask(sx, sy, element);
10315     else
10316       DrawEditorElement(sx, sy, element);
10317   }
10318 }
10319
10320 static void SetElementSimple(int x, int y, int element, boolean change_level)
10321 {
10322   SetElementSimpleExt(x, y, 0, 0, element, change_level);
10323 }
10324
10325 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
10326                                            int x2, int y2, int *element2,
10327                                            int (*close_function)(int, int),
10328                                            boolean change_level)
10329 {
10330   /* set neighbour elements to newly determined connections */
10331   SetElementSimple(x1, y1, *element1, change_level);
10332   SetElementSimple(x2, y2, *element2, change_level);
10333
10334   /* remove all open connections of neighbour elements */
10335   *element1 = close_function(x1, y1);
10336   *element2 = close_function(x2, y2);
10337
10338   /* set neighbour elements to new, minimized connections */
10339   SetElementSimple(x1, y1, *element1, change_level);
10340   SetElementSimple(x2, y2, *element2, change_level);
10341 }
10342
10343 static void SetElementIntelliDraw(int x, int y, int new_element,
10344                                   boolean change_level, int button)
10345 {
10346   static int xy[4][2] =
10347   {
10348     { -1, 0 },
10349     { +1, 0 },
10350     { 0, -1 },
10351     { 0, +1 }
10352   };
10353   static int last_x = -1;
10354   static int last_y = -1;
10355   int old_element = IntelliDrawBuffer[x][y];
10356
10357   if (new_element == EL_UNDEFINED)
10358   {
10359     last_x = -1;
10360     last_y = -1;
10361
10362     return;
10363   }
10364
10365   if (IS_TUBE(new_element))
10366   {
10367     int last_element_new = EL_UNDEFINED;
10368     int direction = MV_NONE;
10369     int i;
10370
10371     /* if old element is of same kind, keep all existing directions */
10372     if (IS_TUBE(old_element))
10373       direction |= getOpenDirectionFromTube(old_element);
10374
10375     for (i = 0; i < NUM_DIRECTIONS; i++)
10376     {
10377       int xx = x + xy[i][0];
10378       int yy = y + xy[i][1];
10379
10380       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10381           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
10382       {
10383         int dir = MV_DIR_FROM_BIT(i);
10384         int dir_opposite = MV_DIR_OPPOSITE(dir);
10385         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10386         int last_direction_old = getOpenDirectionFromTube(last_element_old);
10387         int last_direction_new = last_direction_old | dir_opposite;
10388
10389         last_element_new = getTubeFromOpenDirection(last_direction_new);
10390
10391         direction |= dir;
10392       }
10393     }
10394
10395     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
10396
10397     if (last_element_new != EL_UNDEFINED)
10398       MergeAndCloseNeighbourElements(x, y, &new_element,
10399                                      last_x, last_y, &last_element_new,
10400                                      getClosedTube, change_level);
10401   }
10402   else if (IS_BELT(new_element))
10403   {
10404     int belt_nr = getBeltNrFromBeltElement(new_element);
10405     int last_element_new = EL_UNDEFINED;
10406     int direction = MV_NONE;
10407     int i;
10408
10409     /* if old element is of same kind, keep all existing directions */
10410     if (IS_BELT(old_element))
10411       direction |= getOpenDirectionFromBelt(old_element);
10412
10413     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
10414     {
10415       int xx = x + xy[i][0];
10416       int yy = y + xy[i][1];
10417
10418       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10419           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
10420       {
10421         int dir = MV_DIR_FROM_BIT(i);
10422         int dir_opposite = MV_DIR_OPPOSITE(dir);
10423         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10424         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
10425         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
10426         int last_direction_new = last_direction_old | dir_opposite;
10427
10428         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
10429                                                          last_direction_new);
10430         direction |= dir;
10431       }
10432     }
10433
10434     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
10435                                                         new_element);
10436     if (last_element_new != EL_UNDEFINED)
10437       MergeAndCloseNeighbourElements(x, y, &new_element,
10438                                      last_x, last_y, &last_element_new,
10439                                      getClosedBelt, change_level);
10440   }
10441   else if (IS_ACID_POOL_OR_ACID(new_element))
10442   {
10443     int last_element_new = EL_UNDEFINED;
10444     int direction = MV_NONE;
10445     int i;
10446
10447     /* if old element is of same kind, keep all existing directions */
10448     if (IS_ACID_POOL_OR_ACID(old_element))
10449       direction |= getOpenDirectionFromPool(old_element);
10450
10451     for (i = 0; i < NUM_DIRECTIONS; i++)
10452     {
10453       int xx = x + xy[i][0];
10454       int yy = y + xy[i][1];
10455
10456       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10457           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
10458       {
10459         int dir = MV_DIR_FROM_BIT(i);
10460         int dir_opposite = MV_DIR_OPPOSITE(dir);
10461         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10462         int last_direction_old = getOpenDirectionFromPool(last_element_old);
10463         int last_direction_new = last_direction_old | dir_opposite;
10464
10465         last_element_new = getPoolFromOpenDirection(last_direction_new);
10466
10467         direction |= dir;
10468       }
10469     }
10470
10471     /* special corrections needed for intuitively correct acid pool drawing */
10472     if (last_element_new == EL_EMPTY)
10473       last_element_new = new_element;
10474     else if (last_element_new != EL_UNDEFINED)
10475       new_element = last_element_new;
10476
10477     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
10478
10479     if (last_element_new != EL_UNDEFINED)
10480       MergeAndCloseNeighbourElements(x, y, &new_element,
10481                                      last_x, last_y, &last_element_new,
10482                                      getClosedPool, change_level);
10483   }
10484   else if (IS_EMC_PILLAR(new_element))
10485   {
10486     int last_element_new = EL_UNDEFINED;
10487     int direction = MV_NONE;
10488     int i;
10489
10490     /* if old element is of same kind, keep all existing directions */
10491     if (IS_EMC_PILLAR(old_element))
10492       direction |= getOpenDirectionFromPillar(old_element);
10493
10494     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
10495     {
10496       int xx = x + xy[i][0];
10497       int yy = y + xy[i][1];
10498
10499       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10500           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
10501       {
10502         int dir = MV_DIR_FROM_BIT(i);
10503         int dir_opposite = MV_DIR_OPPOSITE(dir);
10504         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10505         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
10506         int last_direction_new = last_direction_old | dir_opposite;
10507
10508         last_element_new = getPillarFromOpenDirection(last_direction_new);
10509
10510         direction |= dir;
10511       }
10512     }
10513
10514     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
10515
10516     if (last_element_new != EL_UNDEFINED)
10517       MergeAndCloseNeighbourElements(x, y, &new_element,
10518                                      last_x, last_y, &last_element_new,
10519                                      getClosedPillar, change_level);
10520   }
10521   else if (IS_DC_STEELWALL_2(new_element))
10522   {
10523     int last_element_new = EL_UNDEFINED;
10524     int direction = MV_NONE;
10525     int i;
10526
10527     /* if old element is of same kind, keep all existing directions */
10528     if (IS_DC_STEELWALL_2(old_element))
10529       direction |= getOpenDirectionFromSteel2(old_element);
10530
10531     for (i = 0; i < NUM_DIRECTIONS; i++)
10532     {
10533       int xx = x + xy[i][0];
10534       int yy = y + xy[i][1];
10535
10536       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10537           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
10538       {
10539         int dir = MV_DIR_FROM_BIT(i);
10540         int dir_opposite = MV_DIR_OPPOSITE(dir);
10541         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10542         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
10543         int last_direction_new = last_direction_old | dir_opposite;
10544
10545         last_element_new = getSteel2FromOpenDirection(last_direction_new);
10546
10547         direction |= dir;
10548       }
10549     }
10550
10551     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
10552
10553     if (last_element_new != EL_UNDEFINED)
10554       MergeAndCloseNeighbourElements(x, y, &new_element,
10555                                      last_x, last_y, &last_element_new,
10556                                      getClosedSteel2, change_level);
10557   }
10558   else if (IS_SP_CHIP(new_element))
10559   {
10560     int last_element_new = EL_UNDEFINED;
10561     int direction = MV_NONE;
10562     int i;
10563
10564     /* (do not keep existing directions, regardless of kind of old element) */
10565
10566     for (i = 0; i < NUM_DIRECTIONS; i++)
10567     {
10568       int xx = x + xy[i][0];
10569       int yy = y + xy[i][1];
10570
10571       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10572           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
10573       {
10574         int dir = MV_DIR_FROM_BIT(i);
10575         int dir_opposite = MV_DIR_OPPOSITE(dir);
10576         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10577         int last_direction_old = getOpenDirectionFromChip(last_element_old);
10578         int last_direction_new = last_direction_old | dir_opposite;
10579
10580         if (last_direction_old == MV_NONE)
10581         {
10582           last_element_new = getChipFromOpenDirection(last_direction_new);
10583           direction |= dir;
10584         }
10585         else if (last_direction_old & (dir | dir_opposite))
10586         {
10587           direction |= MV_DIR_OPPOSITE(last_direction_old);
10588         }
10589         else
10590         {
10591           direction |= MV_DIR_OPPOSITE(dir);
10592         }
10593       }
10594     }
10595
10596     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
10597
10598     if (last_element_new != EL_UNDEFINED)
10599       MergeAndCloseNeighbourElements(x, y, &new_element,
10600                                      last_x, last_y, &last_element_new,
10601                                      getClosedChip, change_level);
10602   }
10603   else if (IS_SP_HARDWARE_BASE(new_element))
10604   {
10605     int nr = GetSimpleRandom(6);
10606
10607     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
10608                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
10609                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
10610                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
10611                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
10612   }
10613   else if (new_element == EL_SP_HARDWARE_GREEN ||
10614            new_element == EL_SP_HARDWARE_BLUE ||
10615            new_element == EL_SP_HARDWARE_RED)
10616   {
10617     int nr = GetSimpleRandom(3);
10618
10619     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
10620                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
10621   }
10622   else if (IS_GROUP_ELEMENT(new_element))
10623   {
10624     boolean connected_drawing = FALSE;
10625     int i;
10626
10627     for (i = 0; i < NUM_DIRECTIONS; i++)
10628     {
10629       int xx = x + xy[i][0];
10630       int yy = y + xy[i][1];
10631
10632       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10633           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
10634         connected_drawing = TRUE;
10635     }
10636
10637     if (!connected_drawing)
10638       ResolveGroupElement(new_element);
10639
10640     new_element = GetElementFromGroupElement(new_element);
10641   }
10642   else if (IS_BELT_SWITCH(old_element))
10643   {
10644     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
10645     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
10646
10647     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
10648                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
10649
10650     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
10651   }
10652   else
10653   {
10654     static int swappable_elements[][2] =
10655     {
10656       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
10657       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
10658       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
10659       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
10660       { EL_EMERALD,                     EL_WALL_EMERALD                 },
10661       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
10662       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
10663       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
10664       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
10665       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
10666       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
10667       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
10668       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
10669       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
10670       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
10671       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
10672       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
10673       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
10674       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
10675       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
10676       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
10677       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
10678       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
10679       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
10680       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
10681       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
10682       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
10683       { EL_PEARL,                       EL_WALL_PEARL                   },
10684       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
10685       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
10686       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
10687       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
10688       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
10689       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
10690       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
10691       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
10692       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
10693       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
10694       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
10695       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
10696       { EL_MM_EXIT_CLOSED,              EL_MM_EXIT_OPEN                 },
10697       { EL_MM_FUSE,                     EL_MM_FUSE_ACTIVE               },
10698       { EL_MM_LIGHTBULB,                EL_MM_LIGHTBULB_ACTIVE          },
10699       { EL_MM_FUEL_EMPTY,               EL_MM_FUEL_FULL                 },
10700
10701       { -1,                             -1                              },
10702     };
10703     static int rotatable_elements_4[][4] =
10704     {
10705       {
10706         EL_BUG_UP,
10707         EL_BUG_RIGHT,
10708         EL_BUG_DOWN,
10709         EL_BUG_LEFT
10710       },
10711       {
10712         EL_SPACESHIP_UP,
10713         EL_SPACESHIP_RIGHT,
10714         EL_SPACESHIP_DOWN,
10715         EL_SPACESHIP_LEFT
10716       },
10717       {
10718         EL_BD_BUTTERFLY_UP,
10719         EL_BD_BUTTERFLY_RIGHT,
10720         EL_BD_BUTTERFLY_DOWN,
10721         EL_BD_BUTTERFLY_LEFT
10722       },
10723       {
10724         EL_BD_FIREFLY_UP,
10725         EL_BD_FIREFLY_RIGHT,
10726         EL_BD_FIREFLY_DOWN,
10727         EL_BD_FIREFLY_LEFT
10728       },
10729       {
10730         EL_PACMAN_UP,
10731         EL_PACMAN_RIGHT,
10732         EL_PACMAN_DOWN,
10733         EL_PACMAN_LEFT
10734       },
10735       {
10736         EL_YAMYAM_UP,
10737         EL_YAMYAM_RIGHT,
10738         EL_YAMYAM_DOWN,
10739         EL_YAMYAM_LEFT
10740       },
10741       {
10742         EL_ARROW_UP,
10743         EL_ARROW_RIGHT,
10744         EL_ARROW_DOWN,
10745         EL_ARROW_LEFT
10746       },
10747       {
10748         EL_SP_PORT_UP,
10749         EL_SP_PORT_RIGHT,
10750         EL_SP_PORT_DOWN,
10751         EL_SP_PORT_LEFT
10752       },
10753       {
10754         EL_SP_GRAVITY_PORT_UP,
10755         EL_SP_GRAVITY_PORT_RIGHT,
10756         EL_SP_GRAVITY_PORT_DOWN,
10757         EL_SP_GRAVITY_PORT_LEFT
10758       },
10759       {
10760         EL_SP_GRAVITY_ON_PORT_UP,
10761         EL_SP_GRAVITY_ON_PORT_RIGHT,
10762         EL_SP_GRAVITY_ON_PORT_DOWN,
10763         EL_SP_GRAVITY_ON_PORT_LEFT
10764       },
10765       {
10766         EL_SP_GRAVITY_OFF_PORT_UP,
10767         EL_SP_GRAVITY_OFF_PORT_RIGHT,
10768         EL_SP_GRAVITY_OFF_PORT_DOWN,
10769         EL_SP_GRAVITY_OFF_PORT_LEFT
10770       },
10771       {
10772         EL_MOLE_UP,
10773         EL_MOLE_RIGHT,
10774         EL_MOLE_DOWN,
10775         EL_MOLE_LEFT
10776       },
10777       {
10778         EL_BALLOON_SWITCH_UP,
10779         EL_BALLOON_SWITCH_RIGHT,
10780         EL_BALLOON_SWITCH_DOWN,
10781         EL_BALLOON_SWITCH_LEFT
10782       },
10783       {
10784         EL_MM_MCDUFFIN_UP,
10785         EL_MM_MCDUFFIN_RIGHT,
10786         EL_MM_MCDUFFIN_DOWN,
10787         EL_MM_MCDUFFIN_LEFT
10788       },
10789       {
10790         EL_MM_MIRROR_FIXED_1,
10791         EL_MM_MIRROR_FIXED_4,
10792         EL_MM_MIRROR_FIXED_3,
10793         EL_MM_MIRROR_FIXED_2
10794       },
10795       {
10796         EL_MM_STEEL_GRID_FIXED_1,
10797         EL_MM_STEEL_GRID_FIXED_4,
10798         EL_MM_STEEL_GRID_FIXED_2,
10799         EL_MM_STEEL_GRID_FIXED_3
10800       },
10801       {
10802         EL_MM_WOODEN_GRID_FIXED_1,
10803         EL_MM_WOODEN_GRID_FIXED_4,
10804         EL_MM_WOODEN_GRID_FIXED_2,
10805         EL_MM_WOODEN_GRID_FIXED_3
10806       },
10807       {
10808         EL_MM_POLARISATOR_CROSS_1,
10809         EL_MM_POLARISATOR_CROSS_4,
10810         EL_MM_POLARISATOR_CROSS_3,
10811         EL_MM_POLARISATOR_CROSS_2
10812       },
10813       {
10814         EL_MM_PACMAN_UP,
10815         EL_MM_PACMAN_RIGHT,
10816         EL_MM_PACMAN_DOWN,
10817         EL_MM_PACMAN_LEFT
10818       },
10819       {
10820         EL_DF_LASER_UP,
10821         EL_DF_LASER_RIGHT,
10822         EL_DF_LASER_DOWN,
10823         EL_DF_LASER_LEFT
10824       },
10825       {
10826         EL_DF_RECEIVER_UP,
10827         EL_DF_RECEIVER_RIGHT,
10828         EL_DF_RECEIVER_DOWN,
10829         EL_DF_RECEIVER_LEFT
10830       },
10831
10832       {
10833         -1,
10834       },
10835     };
10836     static int rotatable_elements_8[][8] =
10837     {
10838       {
10839         EL_DF_STEEL_GRID_FIXED_1,
10840         EL_DF_STEEL_GRID_FIXED_8,
10841         EL_DF_STEEL_GRID_FIXED_7,
10842         EL_DF_STEEL_GRID_FIXED_6,
10843         EL_DF_STEEL_GRID_FIXED_5,
10844         EL_DF_STEEL_GRID_FIXED_4,
10845         EL_DF_STEEL_GRID_FIXED_3,
10846         EL_DF_STEEL_GRID_FIXED_2
10847       },
10848       {
10849         EL_DF_WOODEN_GRID_FIXED_1,
10850         EL_DF_WOODEN_GRID_FIXED_8,
10851         EL_DF_WOODEN_GRID_FIXED_7,
10852         EL_DF_WOODEN_GRID_FIXED_6,
10853         EL_DF_WOODEN_GRID_FIXED_5,
10854         EL_DF_WOODEN_GRID_FIXED_4,
10855         EL_DF_WOODEN_GRID_FIXED_3,
10856         EL_DF_WOODEN_GRID_FIXED_2
10857       },
10858       {
10859         EL_DF_STEEL_GRID_ROTATING_1,
10860         EL_DF_STEEL_GRID_ROTATING_8,
10861         EL_DF_STEEL_GRID_ROTATING_7,
10862         EL_DF_STEEL_GRID_ROTATING_6,
10863         EL_DF_STEEL_GRID_ROTATING_5,
10864         EL_DF_STEEL_GRID_ROTATING_4,
10865         EL_DF_STEEL_GRID_ROTATING_3,
10866         EL_DF_STEEL_GRID_ROTATING_2
10867       },
10868       {
10869         EL_DF_WOODEN_GRID_ROTATING_1,
10870         EL_DF_WOODEN_GRID_ROTATING_8,
10871         EL_DF_WOODEN_GRID_ROTATING_7,
10872         EL_DF_WOODEN_GRID_ROTATING_6,
10873         EL_DF_WOODEN_GRID_ROTATING_5,
10874         EL_DF_WOODEN_GRID_ROTATING_4,
10875         EL_DF_WOODEN_GRID_ROTATING_3,
10876         EL_DF_WOODEN_GRID_ROTATING_2
10877       },
10878
10879       {
10880         -1,
10881       },
10882     };
10883     static int rotatable_elements_16[][16] =
10884     {
10885       {
10886         EL_MM_MIRROR_1,
10887         EL_MM_MIRROR_16,
10888         EL_MM_MIRROR_15,
10889         EL_MM_MIRROR_14,
10890         EL_MM_MIRROR_13,
10891         EL_MM_MIRROR_12,
10892         EL_MM_MIRROR_11,
10893         EL_MM_MIRROR_10,
10894         EL_MM_MIRROR_9,
10895         EL_MM_MIRROR_8,
10896         EL_MM_MIRROR_7,
10897         EL_MM_MIRROR_6,
10898         EL_MM_MIRROR_5,
10899         EL_MM_MIRROR_4,
10900         EL_MM_MIRROR_3,
10901         EL_MM_MIRROR_2
10902       },
10903       {
10904         EL_MM_BEAMER_5,
10905         EL_MM_BEAMER_4,
10906         EL_MM_BEAMER_3,
10907         EL_MM_BEAMER_2,
10908         EL_MM_BEAMER_1,
10909         EL_MM_BEAMER_16,
10910         EL_MM_BEAMER_15,
10911         EL_MM_BEAMER_14,
10912         EL_MM_BEAMER_13,
10913         EL_MM_BEAMER_12,
10914         EL_MM_BEAMER_11,
10915         EL_MM_BEAMER_10,
10916         EL_MM_BEAMER_9,
10917         EL_MM_BEAMER_8,
10918         EL_MM_BEAMER_7,
10919         EL_MM_BEAMER_6
10920       },
10921       {
10922         EL_MM_BEAMER_RED_5,
10923         EL_MM_BEAMER_RED_4,
10924         EL_MM_BEAMER_RED_3,
10925         EL_MM_BEAMER_RED_2,
10926         EL_MM_BEAMER_RED_1,
10927         EL_MM_BEAMER_RED_16,
10928         EL_MM_BEAMER_RED_15,
10929         EL_MM_BEAMER_RED_14,
10930         EL_MM_BEAMER_RED_13,
10931         EL_MM_BEAMER_RED_12,
10932         EL_MM_BEAMER_RED_11,
10933         EL_MM_BEAMER_RED_10,
10934         EL_MM_BEAMER_RED_9,
10935         EL_MM_BEAMER_RED_8,
10936         EL_MM_BEAMER_RED_7,
10937         EL_MM_BEAMER_RED_6
10938       },
10939       {
10940         EL_MM_BEAMER_YELLOW_5,
10941         EL_MM_BEAMER_YELLOW_4,
10942         EL_MM_BEAMER_YELLOW_3,
10943         EL_MM_BEAMER_YELLOW_2,
10944         EL_MM_BEAMER_YELLOW_1,
10945         EL_MM_BEAMER_YELLOW_16,
10946         EL_MM_BEAMER_YELLOW_15,
10947         EL_MM_BEAMER_YELLOW_14,
10948         EL_MM_BEAMER_YELLOW_13,
10949         EL_MM_BEAMER_YELLOW_12,
10950         EL_MM_BEAMER_YELLOW_11,
10951         EL_MM_BEAMER_YELLOW_10,
10952         EL_MM_BEAMER_YELLOW_9,
10953         EL_MM_BEAMER_YELLOW_8,
10954         EL_MM_BEAMER_YELLOW_7,
10955         EL_MM_BEAMER_YELLOW_6
10956       },
10957       {
10958         EL_MM_BEAMER_GREEN_5,
10959         EL_MM_BEAMER_GREEN_4,
10960         EL_MM_BEAMER_GREEN_3,
10961         EL_MM_BEAMER_GREEN_2,
10962         EL_MM_BEAMER_GREEN_1,
10963         EL_MM_BEAMER_GREEN_16,
10964         EL_MM_BEAMER_GREEN_15,
10965         EL_MM_BEAMER_GREEN_14,
10966         EL_MM_BEAMER_GREEN_13,
10967         EL_MM_BEAMER_GREEN_12,
10968         EL_MM_BEAMER_GREEN_11,
10969         EL_MM_BEAMER_GREEN_10,
10970         EL_MM_BEAMER_GREEN_9,
10971         EL_MM_BEAMER_GREEN_8,
10972         EL_MM_BEAMER_GREEN_7,
10973         EL_MM_BEAMER_GREEN_6
10974       },
10975       {
10976         EL_MM_BEAMER_BLUE_5,
10977         EL_MM_BEAMER_BLUE_4,
10978         EL_MM_BEAMER_BLUE_3,
10979         EL_MM_BEAMER_BLUE_2,
10980         EL_MM_BEAMER_BLUE_1,
10981         EL_MM_BEAMER_BLUE_16,
10982         EL_MM_BEAMER_BLUE_15,
10983         EL_MM_BEAMER_BLUE_14,
10984         EL_MM_BEAMER_BLUE_13,
10985         EL_MM_BEAMER_BLUE_12,
10986         EL_MM_BEAMER_BLUE_11,
10987         EL_MM_BEAMER_BLUE_10,
10988         EL_MM_BEAMER_BLUE_9,
10989         EL_MM_BEAMER_BLUE_8,
10990         EL_MM_BEAMER_BLUE_7,
10991         EL_MM_BEAMER_BLUE_6
10992       },
10993       {
10994         EL_MM_POLARISATOR_1,
10995         EL_MM_POLARISATOR_16,
10996         EL_MM_POLARISATOR_15,
10997         EL_MM_POLARISATOR_14,
10998         EL_MM_POLARISATOR_13,
10999         EL_MM_POLARISATOR_12,
11000         EL_MM_POLARISATOR_11,
11001         EL_MM_POLARISATOR_10,
11002         EL_MM_POLARISATOR_9,
11003         EL_MM_POLARISATOR_8,
11004         EL_MM_POLARISATOR_7,
11005         EL_MM_POLARISATOR_6,
11006         EL_MM_POLARISATOR_5,
11007         EL_MM_POLARISATOR_4,
11008         EL_MM_POLARISATOR_3,
11009         EL_MM_POLARISATOR_2
11010       },
11011       {
11012         EL_DF_MIRROR_1,
11013         EL_DF_MIRROR_16,
11014         EL_DF_MIRROR_15,
11015         EL_DF_MIRROR_14,
11016         EL_DF_MIRROR_13,
11017         EL_DF_MIRROR_12,
11018         EL_DF_MIRROR_11,
11019         EL_DF_MIRROR_10,
11020         EL_DF_MIRROR_9,
11021         EL_DF_MIRROR_8,
11022         EL_DF_MIRROR_7,
11023         EL_DF_MIRROR_6,
11024         EL_DF_MIRROR_5,
11025         EL_DF_MIRROR_4,
11026         EL_DF_MIRROR_3,
11027         EL_DF_MIRROR_2
11028       },
11029       {
11030         EL_DF_MIRROR_ROTATING_1,
11031         EL_DF_MIRROR_ROTATING_16,
11032         EL_DF_MIRROR_ROTATING_15,
11033         EL_DF_MIRROR_ROTATING_14,
11034         EL_DF_MIRROR_ROTATING_13,
11035         EL_DF_MIRROR_ROTATING_12,
11036         EL_DF_MIRROR_ROTATING_11,
11037         EL_DF_MIRROR_ROTATING_10,
11038         EL_DF_MIRROR_ROTATING_9,
11039         EL_DF_MIRROR_ROTATING_8,
11040         EL_DF_MIRROR_ROTATING_7,
11041         EL_DF_MIRROR_ROTATING_6,
11042         EL_DF_MIRROR_ROTATING_5,
11043         EL_DF_MIRROR_ROTATING_4,
11044         EL_DF_MIRROR_ROTATING_3,
11045         EL_DF_MIRROR_ROTATING_2
11046       },
11047
11048       {
11049         -1,
11050       },
11051     };
11052     int i, j;
11053
11054     for (i = 0; swappable_elements[i][0] != -1; i++)
11055     {
11056       int element1 = swappable_elements[i][0];
11057       int element2 = swappable_elements[i][1];
11058
11059       if (old_element == element1 || old_element == element2)
11060         new_element = (old_element == element1 ? element2 : element1);
11061     }
11062
11063     for (i = 0; rotatable_elements_4[i][0] != -1; i++)
11064     {
11065       for (j = 0; j < 4; j++)
11066       {
11067         int element = rotatable_elements_4[i][j];
11068
11069         if (old_element == element)
11070           new_element = (button == 1 ? rotatable_elements_4[i][(j + 3) % 4] :
11071                          button == 2 ? rotatable_elements_4[i][0]           :
11072                          button == 3 ? rotatable_elements_4[i][(j + 1) % 4] :
11073                          old_element);
11074       }
11075     }
11076
11077     for (i = 0; rotatable_elements_8[i][0] != -1; i++)
11078     {
11079       for (j = 0; j < 8; j++)
11080       {
11081         int element = rotatable_elements_8[i][j];
11082
11083         if (old_element == element)
11084           new_element = (button == 1 ? rotatable_elements_8[i][(j + 7) % 8] :
11085                          button == 2 ? rotatable_elements_8[i][0]           :
11086                          button == 3 ? rotatable_elements_8[i][(j + 1) % 8] :
11087                          old_element);
11088       }
11089     }
11090
11091     for (i = 0; rotatable_elements_16[i][0] != -1; i++)
11092     {
11093       for (j = 0; j < 16; j++)
11094       {
11095         int element = rotatable_elements_16[i][j];
11096
11097         if (old_element == element)
11098           new_element = (button == 1 ? rotatable_elements_16[i][(j + 15) % 16] :
11099                          button == 2 ? rotatable_elements_16[i][0]             :
11100                          button == 3 ? rotatable_elements_16[i][(j + 1)  % 16] :
11101                          old_element);
11102       }
11103     }
11104
11105     if (old_element != new_element)
11106     {
11107       int max_infotext_len = getMaxInfoTextLength();
11108       char infotext[MAX_OUTPUT_LINESIZE + 1];
11109
11110       strncpy(infotext, getElementInfoText(new_element), max_infotext_len);
11111       infotext[max_infotext_len] = '\0';
11112
11113       ClearEditorGadgetInfoText();
11114
11115       DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT,
11116                 infotext);
11117     }
11118   }
11119
11120   SetElementSimple(x, y, new_element, change_level);
11121
11122   last_x = x;
11123   last_y = y;
11124 }
11125
11126 static void ResetIntelliDraw()
11127 {
11128   int x, y;
11129
11130   for (x = 0; x < lev_fieldx; x++)
11131     for (y = 0; y < lev_fieldy; y++)
11132       IntelliDrawBuffer[x][y] = Feld[x][y];
11133
11134   SetElementIntelliDraw(-1, -1, EL_UNDEFINED, FALSE, -1);
11135 }
11136
11137 static boolean draw_mode_hires = FALSE;
11138
11139 static void SetDrawModeHiRes(int element)
11140 {
11141   draw_mode_hires =
11142     (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
11143      (IS_MM_WALL_EDITOR(element) || element == EL_EMPTY));
11144 }
11145
11146 static boolean getDrawModeHiRes()
11147 {
11148   return draw_mode_hires;
11149 }
11150
11151 static int getLoResScreenPos(int pos)
11152 {
11153   return (getDrawModeHiRes() ? pos / 2 : pos);
11154 }
11155
11156 static int getLoResScreenMod(int pos)
11157 {
11158   return (getDrawModeHiRes() ? pos % 2 : 0);
11159 }
11160
11161 static void SetElementExt(int x, int y, int dx, int dy, int element,
11162                           boolean change_level, int button)
11163 {
11164   if (element < 0)
11165     SetElementSimple(x, y, Feld[x][y], change_level);
11166   else if (GetKeyModState() & KMOD_Shift && !IS_MM_WALL_EDITOR(element))
11167     SetElementIntelliDraw(x, y, element, change_level, button);
11168   else
11169     SetElementSimpleExt(x, y, dx, dy, element, change_level);
11170 }
11171
11172 static void SetElement(int x, int y, int element)
11173 {
11174   SetElementExt(x, y, 0, 0, element, TRUE, -1);
11175 }
11176
11177 static void SetElementButton(int x, int y, int dx, int dy, int element,
11178                              int button)
11179 {
11180   SetElementExt(x, y, dx, dy, element, TRUE, button);
11181 }
11182
11183 static void SetElementHiRes(int sx2, int sy2, int element, boolean change_level)
11184 {
11185   int lx = getLoResScreenPos(sx2) + level_xpos;
11186   int ly = getLoResScreenPos(sy2) + level_ypos;
11187   int dx = getLoResScreenMod(sx2);
11188   int dy = getLoResScreenMod(sy2);
11189
11190   SetElementExt(lx, ly, dx, dy, element, change_level, -1);
11191 }
11192
11193 static void SetLevelElementHiRes(int lx2, int ly2, int element)
11194 {
11195   int lx = lx2 / 2;
11196   int ly = ly2 / 2;
11197   int dx = lx2 % 2;
11198   int dy = ly2 % 2;
11199
11200   SetElementExt(lx, ly, dx, dy, element, TRUE, -1);
11201 }
11202
11203 static int getLevelElementHiRes(int lx2, int ly2)
11204 {
11205   int lx = lx2 / 2;
11206   int ly = ly2 / 2;
11207   int dx = lx2 % 2;
11208   int dy = ly2 % 2;
11209   int element = Feld[lx][ly];
11210   unsigned int bitmask = (dx + 1) << (dy * 2);
11211
11212   if (IS_MM_WALL(element))
11213   {
11214     if (element & bitmask)
11215       return map_mm_wall_element(element);
11216     else
11217       return EL_EMPTY;
11218   }
11219
11220   return element;
11221 }
11222
11223 static void DrawLineElement(int x, int y, int element, boolean change_level)
11224 {
11225   SetElementHiRes(x, y, element, change_level);
11226 }
11227
11228 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
11229                      int element, boolean change_level)
11230 {
11231   int xsize = ABS(to_x - from_x);
11232   int ysize = ABS(to_y - from_y);
11233   int dx = (to_x < from_x ? -1 : +1);
11234   int dy = (to_y < from_y ? -1 : +1);
11235   int i;
11236
11237   if (from_y == to_y)                   /* horizontal line */
11238   {
11239     for (i = 0; i <= xsize; i++)
11240       DrawLineElement(from_x + i * dx, from_y, element, change_level);
11241   }
11242   else if (from_x == to_x)              /* vertical line */
11243   {
11244     for (i = 0; i <= ysize; i++)
11245       DrawLineElement(from_x, from_y + i * dy, element, change_level);
11246   }
11247   else                                  /* diagonal line */
11248   {
11249     if (ysize < xsize)                  /* a < 1 */
11250     {
11251       float a = (float)ysize / (float)xsize;
11252
11253       for (i = 0; i <= xsize; i++)
11254       {
11255         int x = dx * i;
11256         int y = dy * (int)(a * i + 0.5);
11257
11258         DrawLineElement(from_x + x, from_y + y, element, change_level);
11259       }
11260     }
11261     else                                /* a >= 1 */
11262     {
11263       float a = (float)xsize / (float)ysize;
11264
11265       for (i = 0; i <= ysize; i++)
11266       {
11267         int x = dx * (int)(a * i + 0.5);
11268         int y = dy * i;
11269
11270         DrawLineElement(from_x + x, from_y + y, element, change_level);
11271       }
11272     }
11273   }
11274 }
11275
11276 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
11277                     int element, boolean change_level)
11278 {
11279   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
11280   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
11281   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
11282   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
11283 }
11284
11285 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
11286                           int element, boolean change_level)
11287 {
11288   int y;
11289
11290   if (from_y > to_y)
11291     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
11292
11293   for (y = from_y; y <= to_y; y++)
11294     DrawLine(from_x, y, to_x, y, element, change_level);
11295 }
11296
11297 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
11298                        int element, boolean change_level)
11299 {
11300   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
11301   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
11302   int len_x = ABS(to_x - from_x);
11303   int len_y = ABS(to_y - from_y);
11304   int radius, x, y;
11305
11306   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
11307
11308   /* not optimal (some points get drawn twice) but simple,
11309      and fast enough for the few points we are drawing */
11310
11311   for (x = 0; x <= radius; x++)
11312   {
11313     int sx, sy, sx2, sy2, lx, ly;
11314
11315     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
11316
11317     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
11318     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
11319     sx = getLoResScreenPos(sx2);
11320     sy = getLoResScreenPos(sy2);
11321     lx = sx + level_xpos;
11322     ly = sy + level_ypos;
11323
11324     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
11325       DrawLineElement(sx2, sy2, element, change_level);
11326   }
11327
11328   for (y = 0; y <= radius; y++)
11329   {
11330     int sx, sy, sx2, sy2, lx, ly;
11331
11332     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
11333
11334     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
11335     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
11336     sx = getLoResScreenPos(sx2);
11337     sy = getLoResScreenPos(sy2);
11338     lx = sx + level_xpos;
11339     ly = sy + level_ypos;
11340
11341     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
11342       DrawLineElement(sx2, sy2, element, change_level);
11343   }
11344 }
11345
11346 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
11347                     int element, boolean change_level)
11348 {
11349   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
11350   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
11351
11352   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
11353 }
11354
11355 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
11356
11357 #if DRAW_CIRCLES_BUTTON_AVAILABLE
11358 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
11359                        int element, boolean change_level)
11360 {
11361   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
11362   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
11363   int mirror_to_x2 = from_x - (to_x2 - from_x);
11364   int mirror_to_y2 = from_y - (to_y2 - from_y);
11365
11366   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
11367   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
11368   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
11369   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
11370 }
11371 #endif
11372
11373 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
11374 {
11375   int from_sx, from_sy;
11376   int to_sx, to_sy;
11377
11378   if (from_x > to_x)
11379     swap_numbers(&from_x, &to_x);
11380
11381   if (from_y > to_y)
11382     swap_numbers(&from_y, &to_y);
11383
11384   from_sx = SX + from_x * ed_tilesize;
11385   from_sy = SY + from_y * ed_tilesize;
11386   to_sx = SX + (to_x + 1) * ed_tilesize - 1;
11387   to_sy = SY + (to_y + 1) * ed_tilesize - 1;
11388
11389   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
11390   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
11391   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
11392   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
11393
11394   if (from_x == to_x && from_y == to_y)
11395     MarkTileDirty(from_x/2, from_y/2);
11396   else
11397     redraw_mask |= REDRAW_FIELD;
11398 }
11399
11400 static void DrawAreaBox(int from_x, int from_y, int to_x, int to_y,
11401                         int element, boolean change_level)
11402 {
11403   DrawBox(from_x, from_y, to_x, to_y, element, change_level);
11404 }
11405
11406 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
11407                        int element, boolean change_level)
11408 {
11409   if (element == -1 || change_level)
11410     DrawAreaBox(from_x, from_y, to_x, to_y, -1, FALSE);
11411   else
11412     DrawAreaBorder(from_x, from_y, to_x, to_y);
11413 }
11414
11415 /* values for CopyBrushExt() */
11416 #define CB_AREA_TO_BRUSH        0
11417 #define CB_BRUSH_TO_CURSOR      1
11418 #define CB_BRUSH_TO_LEVEL       2
11419 #define CB_DELETE_OLD_CURSOR    3
11420 #define CB_DUMP_BRUSH           4
11421 #define CB_DUMP_BRUSH_SMALL     5
11422
11423 static void DrawBrushElement(int sx, int sy, int element, boolean change_level)
11424 {
11425   DrawLineElement(sx, sy, element, change_level);
11426 }
11427
11428 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
11429                          int button, int mode)
11430 {
11431   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
11432   static int brush_width, brush_height;
11433   static int last_cursor_x = -1, last_cursor_y = -1;
11434   static boolean delete_old_brush;
11435   int new_element = BUTTON_ELEMENT(button);
11436   int x, y;
11437
11438   if (mode == CB_DUMP_BRUSH ||
11439       mode == CB_DUMP_BRUSH_SMALL)
11440   {
11441     if (!draw_with_brush)
11442     {
11443       Error(ERR_WARN, "no brush selected");
11444
11445       return;
11446     }
11447
11448     for (y = 0; y < brush_height; y++)
11449     {
11450       for (x = 0; x < brush_width; x++)
11451       {
11452         int element = brush_buffer[x][y];
11453         int element_mapped = element;
11454
11455         if (IS_CUSTOM_ELEMENT(element))
11456           element_mapped = EL_CUSTOM_START;
11457         else if (IS_GROUP_ELEMENT(element))
11458           element_mapped = EL_GROUP_START;
11459         else if (element >= NUM_FILE_ELEMENTS)
11460           element_mapped = EL_UNKNOWN;
11461
11462         // dump brush as level sketch text for the R'n'D forum:
11463         // - large tiles: `xxx (0x60 ASCII)
11464         // - small tiles: ¸xxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
11465         printf("%s%03d", (mode == CB_DUMP_BRUSH ? "`" : "¸"), element_mapped);
11466       }
11467
11468       printf("\n");
11469     }
11470
11471     return;
11472   }
11473
11474   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
11475     return;
11476
11477   if (mode == CB_AREA_TO_BRUSH)
11478   {
11479     int from_lx, from_ly;
11480
11481     if (from_x > to_x)
11482       swap_numbers(&from_x, &to_x);
11483
11484     if (from_y > to_y)
11485       swap_numbers(&from_y, &to_y);
11486
11487     brush_width = to_x - from_x + 1;
11488     brush_height = to_y - from_y + 1;
11489
11490     from_lx = from_x + level_xpos;
11491     from_ly = from_y + level_ypos;
11492
11493     for (y = 0; y < brush_height; y++)
11494     {
11495       for (x = 0; x < brush_width; x++)
11496       {
11497         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
11498
11499         if (button != 1)
11500           DrawBrushElement(from_x + x, from_y + y, new_element, TRUE);
11501       }
11502     }
11503
11504     if (button != 1)
11505       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
11506
11507     delete_old_brush = FALSE;
11508   }
11509   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
11510            mode == CB_BRUSH_TO_LEVEL)
11511   {
11512     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
11513     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
11514     int cursor_from_x = cursor_x - brush_width / 2;
11515     int cursor_from_y = cursor_y - brush_height / 2;
11516     int border_from_x = cursor_x, border_from_y = cursor_y;
11517     int border_to_x = cursor_x, border_to_y = cursor_y;
11518
11519     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
11520       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
11521
11522     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
11523         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
11524     {
11525       delete_old_brush = FALSE;
11526       return;
11527     }
11528
11529     for (y = 0; y < brush_height; y++)
11530     {
11531       for (x = 0; x < brush_width; x++)
11532       {
11533         int sx = cursor_from_x + x;
11534         int sy = cursor_from_y + y;
11535         int lx = sx + level_xpos;
11536         int ly = sy + level_ypos;
11537         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
11538         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
11539                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
11540                        brush_buffer[x][y] : new_element);
11541
11542         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
11543         {
11544           if (sx < border_from_x)
11545             border_from_x = sx;
11546           else if (sx > border_to_x)
11547             border_to_x = sx;
11548           if (sy < border_from_y)
11549             border_from_y = sy;
11550           else if (sy > border_to_y)
11551             border_to_y = sy;
11552
11553           DrawBrushElement(sx, sy, element, change_level);
11554         }
11555       }
11556     }
11557
11558     if (mode != CB_DELETE_OLD_CURSOR)
11559       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
11560
11561     last_cursor_x = cursor_x;
11562     last_cursor_y = cursor_y;
11563     delete_old_brush = TRUE;
11564   }
11565 }
11566
11567 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
11568                             int button)
11569 {
11570   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
11571 }
11572
11573 static void CopyBrushToLevel(int x, int y, int button)
11574 {
11575   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
11576 }
11577
11578 static void CopyBrushToCursor(int x, int y)
11579 {
11580   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
11581 }
11582
11583 static void DeleteBrushFromCursor()
11584 {
11585   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
11586 }
11587
11588 void DumpBrush()
11589 {
11590   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
11591 }
11592
11593 void DumpBrush_Small()
11594 {
11595   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
11596 }
11597
11598 static void FloodFill(int from_x, int from_y, int fill_element)
11599 {
11600   FloodFillLevel(from_x, from_y, fill_element, Feld, lev_fieldx, lev_fieldy);
11601 }
11602
11603 static void FloodFillWall_MM(int from_sx2, int from_sy2, int fill_element)
11604 {
11605   int from_x = from_sx2 + 2 * level_xpos;
11606   int from_y = from_sy2 + 2 * level_ypos;
11607   int max_fillx = lev_fieldx * 2;
11608   int max_filly = lev_fieldy * 2;
11609   short FillFeld[max_fillx][max_filly];
11610   int x, y;
11611
11612   for (x = 0; x < max_fillx; x++)
11613     for (y = 0; y < max_filly; y++)
11614       FillFeld[x][y] = getLevelElementHiRes(x, y);
11615
11616   FloodFillLevelExt(from_x, from_y, fill_element, max_fillx, max_filly,
11617                     FillFeld, max_fillx, max_filly);
11618
11619   for (x = 0; x < max_fillx; x++)
11620     for (y = 0; y < max_filly; y++)
11621       if (FillFeld[x][y] == fill_element)
11622         SetLevelElementHiRes(x, y, FillFeld[x][y]);
11623 }
11624
11625 /* values for DrawLevelText() modes */
11626 #define TEXT_INIT               0
11627 #define TEXT_SETCURSOR          1
11628 #define TEXT_WRITECHAR          2
11629 #define TEXT_BACKSPACE          3
11630 #define TEXT_NEWLINE            4
11631 #define TEXT_END                5
11632 #define TEXT_QUERY_TYPING       6
11633
11634 static int DrawLevelText(int sx, int sy, char letter, int mode)
11635 {
11636   static short delete_buffer[MAX_LEV_FIELDX];
11637   static int start_sx;
11638   static int last_sx, last_sy;
11639   static boolean typing = FALSE;
11640   int letter_element = EL_CHAR_ASCII0 + letter;
11641   int lx = 0, ly = 0;
11642
11643   /* map lower case letters to upper case and convert special characters */
11644   if (letter >= 'a' && letter <= 'z')
11645     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
11646   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
11647     letter_element = EL_CHAR_AUMLAUT;
11648   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
11649     letter_element = EL_CHAR_OUMLAUT;
11650   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
11651     letter_element = EL_CHAR_UUMLAUT;
11652   else if (letter == '^')
11653     letter_element = EL_CHAR_COPYRIGHT;
11654   else
11655     letter_element = EL_CHAR_ASCII0 + letter;
11656
11657   if (mode != TEXT_INIT)
11658   {
11659     if (!typing)
11660       return FALSE;
11661
11662     if (mode != TEXT_SETCURSOR)
11663     {
11664       sx = last_sx;
11665       sy = last_sy;
11666     }
11667
11668     lx = last_sx + level_xpos;
11669     ly = last_sy + level_ypos;
11670   }
11671
11672   switch (mode)
11673   {
11674     case TEXT_INIT:
11675       if (typing)
11676         DrawLevelText(0, 0, 0, TEXT_END);
11677
11678       typing = TRUE;
11679       start_sx = sx;
11680       last_sx = sx;
11681       last_sy = sy;
11682       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
11683       break;
11684
11685     case TEXT_SETCURSOR:
11686       DrawEditorElement(last_sx, last_sy, Feld[lx][ly]);
11687       DrawAreaBorder(sx, sy, sx, sy);
11688       last_sx = sx;
11689       last_sy = sy;
11690       break;
11691
11692     case TEXT_WRITECHAR:
11693       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
11694       {
11695         if (new_element1 >= EL_STEEL_CHAR_START &&
11696             new_element1 <= EL_STEEL_CHAR_END)
11697           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
11698
11699         delete_buffer[sx - start_sx] = Feld[lx][ly];
11700         Feld[lx][ly] = letter_element;
11701
11702         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
11703           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
11704         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
11705           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
11706         else
11707           DrawLevelText(0, 0, 0, TEXT_END);
11708
11709         level.changed = TRUE;
11710       }
11711       break;
11712
11713     case TEXT_BACKSPACE:
11714       if (sx > start_sx)
11715       {
11716         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
11717         DrawEditorElement(sx - 1, sy, Feld[lx - 1][ly]);
11718         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
11719       }
11720       break;
11721
11722     case TEXT_NEWLINE:
11723       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
11724         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
11725       else
11726         DrawLevelText(0, 0, 0, TEXT_END);
11727       break;
11728
11729     case TEXT_END:
11730       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
11731       DrawEditorElement(sx, sy, Feld[lx][ly]);
11732       typing = FALSE;
11733       break;
11734
11735     case TEXT_QUERY_TYPING:
11736       break;
11737
11738     default:
11739       break;
11740   }
11741
11742   return typing;
11743 }
11744
11745 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
11746                           int element, boolean change_level)
11747 {
11748   int lx = sx + level_xpos;
11749   int ly = sy + level_ypos;
11750
11751   if (element == -1)
11752     DrawEditorElement(sx, sy, Feld[lx][ly]);
11753   else
11754     DrawAreaBorder(sx, sy, sx, sy);
11755 }
11756
11757 static void CheckLevelBorderElement(boolean redraw_playfield)
11758 {
11759   int last_border_element = BorderElement;
11760
11761   SetBorderElement();
11762
11763   if (redraw_playfield && BorderElement != last_border_element)
11764     DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11765 }
11766
11767 static void CopyLevelToUndoBuffer(int mode)
11768 {
11769   static boolean accumulated_undo = FALSE;
11770   boolean new_undo_buffer_position = TRUE;
11771   int x, y;
11772
11773   if (undo_buffer_steps == 0)
11774     accumulated_undo = FALSE;
11775
11776   switch (mode)
11777   {
11778     case UNDO_IMMEDIATE:
11779       accumulated_undo = FALSE;
11780       break;
11781
11782     case UNDO_ACCUMULATE:
11783       if (accumulated_undo)
11784         new_undo_buffer_position = FALSE;
11785       accumulated_undo = TRUE;
11786       break;
11787
11788     default:
11789       break;
11790   }
11791
11792   if (new_undo_buffer_position)
11793   {
11794     /* advance position in undo buffer ring */
11795     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
11796
11797     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
11798       undo_buffer_steps++;
11799   }
11800
11801   /* always reset redo buffer when storing level change into undo buffer */
11802   redo_buffer_steps = 0;
11803
11804   for (x = 0; x < lev_fieldx; x++)
11805     for (y = 0; y < lev_fieldy; y++)
11806       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
11807
11808   /* check if drawing operation forces change of border style */
11809   CheckLevelBorderElement(TRUE);
11810
11811   level.changed = TRUE;
11812 }
11813
11814 static void RandomPlacement(int new_element)
11815 {
11816   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
11817   int num_free_positions = 0;
11818   int num_percentage, num_elements;
11819   int x, y;
11820
11821   ResetIntelliDraw();
11822
11823   /* determine number of free positions for randomly placing the new element */
11824   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
11825   {
11826     free_position[x][y] =
11827       (random_placement_background_restricted ?
11828        Feld[x][y] == random_placement_background_element :
11829        Feld[x][y] != new_element);
11830
11831     if (free_position[x][y])
11832       num_free_positions++;
11833   }
11834
11835   /* determine number of new elements to place there */
11836   num_percentage = num_free_positions * random_placement_value / 100;
11837   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
11838                   num_percentage : random_placement_value);
11839
11840   /* if less free positions than elements to place, fill all these positions */
11841   if (num_free_positions < num_elements)
11842   {
11843     for (x = 0; x < lev_fieldx; x++)
11844       for (y = 0; y < lev_fieldy; y++)
11845         if (free_position[x][y])
11846           SetElement(x, y, new_element);
11847   }
11848   else
11849   {
11850     while (num_elements > 0)
11851     {
11852       x = GetSimpleRandom(lev_fieldx);
11853       y = GetSimpleRandom(lev_fieldy);
11854
11855       /* don't place element at the same position twice */
11856       if (free_position[x][y])
11857       {
11858         free_position[x][y] = FALSE;
11859         SetElement(x, y, new_element);
11860         num_elements--;
11861       }
11862     }
11863   }
11864
11865   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11866   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
11867 }
11868
11869 void WrapLevel(int dx, int dy)
11870 {
11871   int wrap_dx = lev_fieldx - dx;
11872   int wrap_dy = lev_fieldy - dy;
11873   int x, y;
11874
11875   for (x = 0; x < lev_fieldx; x++)
11876     for (y = 0; y < lev_fieldy; y++)
11877       FieldBackup[x][y] = Feld[x][y];
11878
11879   for (x = 0; x < lev_fieldx; x++)
11880     for (y = 0; y < lev_fieldy; y++)
11881       Feld[x][y] =
11882         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
11883
11884   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11885   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
11886 }
11887
11888 static void HandleDrawingAreas(struct GadgetInfo *gi)
11889 {
11890   static boolean started_inside_drawing_area = FALSE;
11891   static int last_sx = -1, last_sy = -1;
11892   static int last_sx2 = -1, last_sy2 = -1;
11893   int id = gi->custom_id;
11894   int type_id = gi->custom_type_id;
11895   boolean button_press_event;
11896   boolean button_release_event;
11897   boolean inside_drawing_area = !gi->event.off_borders;
11898   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
11899   int actual_drawing_function;
11900   int button = gi->event.button;
11901   int new_element = BUTTON_ELEMENT(button);
11902   int sx = gi->event.x, sy = gi->event.y;
11903   int min_sx = 0, min_sy = 0;
11904   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
11905   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
11906   int mini_item_xsize = item_xsize / 2, mini_item_ysize = item_ysize / 2;
11907   int sx2 = gi->event.mx / mini_item_xsize;
11908   int sy2 = gi->event.my / mini_item_ysize;
11909   int dx = sx2 % 2;
11910   int dy = sy2 % 2;
11911   int lx = 0, ly = 0;
11912   int min_lx = 0, min_ly = 0;
11913   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
11914   int x, y;
11915
11916   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
11917   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
11918
11919   /* make sure to stay inside drawing area boundaries */
11920   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
11921   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
11922
11923   if (draw_level)
11924   {
11925     /* get positions inside level field */
11926     lx = sx + level_xpos;
11927     ly = sy + level_ypos;
11928
11929     if (!IN_LEV_FIELD(lx, ly))
11930       inside_drawing_area = FALSE;
11931
11932     /* make sure to stay inside level field boundaries */
11933     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
11934     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
11935
11936     /* correct drawing area positions accordingly */
11937     sx = lx - level_xpos;
11938     sy = ly - level_ypos;
11939   }
11940
11941   /* also correct MM wall-sized (double) drawing area positions accordingly */
11942   if (sx2 / 2 < sx || sx2 / 2 > sx)
11943   {
11944     dx = (sx2 / 2 < sx ? 0 : 1);
11945     sx2 = sx * 2 + dx;
11946   }
11947   if (sy2 / 2 < sy || sy2 / 2 > sy)
11948   {
11949     dy = (sy2 / 2 < sy ? 0 : 1);
11950     sy2 = sy * 2 + dy;
11951   }
11952
11953   if (button_release_event)
11954   {
11955     last_sx = -1;
11956     last_sy = -1;
11957     last_sx2 = -1;
11958     last_sy2 = -1;
11959   }
11960   else if (!button_press_event)
11961   {
11962     /* prevent handling events for every pixel position when moving mouse */
11963     if ((sx == last_sx && sy == last_sy &&
11964          !IS_MM_WALL_EDITOR(new_element) && new_element != EL_EMPTY) ||
11965         (sx2 == last_sx2 && sy2 == last_sy2))
11966       return;
11967   }
11968
11969   last_sx = sx;
11970   last_sy = sy;
11971   last_sx2 = sx2;
11972   last_sy2 = sy2;
11973
11974   if (button_press_event)
11975     started_inside_drawing_area = inside_drawing_area;
11976
11977   if (!started_inside_drawing_area)
11978     return;
11979
11980   if (!IS_VALID_BUTTON(button))
11981     return;
11982
11983   if (!button && !button_release_event)
11984     return;
11985
11986   /* handle info callback for each invocation of action callback */
11987   gi->callback_info(gi);
11988
11989   /* automatically switch to 'single item' drawing mode, if needed */
11990   actual_drawing_function =
11991     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
11992      drawing_function : GADGET_ID_SINGLE_ITEMS);
11993
11994   /* clicking into drawing area with pressed Control key picks element */
11995   if (GetKeyModState() & KMOD_Control)
11996   {
11997     last_drawing_function = drawing_function;
11998     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
11999   }
12000
12001   if (GetKeyModState() & KMOD_Shift)
12002   {
12003     if (button_press_event || button_release_event)
12004       ResetIntelliDraw();
12005   }
12006
12007   SetDrawModeHiRes(-1);         /* reset to normal draw mode */
12008
12009   switch (actual_drawing_function)
12010   {
12011     case GADGET_ID_SINGLE_ITEMS:
12012       if (draw_level)
12013       {
12014         if (button_release_event)
12015         {
12016           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12017
12018           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
12019               !inside_drawing_area)
12020             DeleteBrushFromCursor();
12021         }
12022
12023         if (!button || button_release_event)
12024           break;
12025
12026         if (draw_with_brush)
12027         {
12028           CopyBrushToLevel(sx, sy, button);
12029         }
12030         else
12031         {
12032           if (new_element == EL_PLAYER_1)
12033           {
12034             /* remove player at old position */
12035             for (y = 0; y < lev_fieldy; y++)
12036               for (x = 0; x < lev_fieldx; x++)
12037                 if (Feld[x][y] == EL_PLAYER_1)
12038                   SetElement(x, y, EL_EMPTY);
12039           }
12040
12041           SetElementButton(lx, ly, dx, dy, new_element, button);
12042         }
12043       }
12044       else if (!button_release_event)
12045       {
12046         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
12047
12048         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
12049           DrawMiniGraphicExt(drawto,
12050                              gi->x + sx * MINI_TILEX,
12051                              gi->y + sy * MINI_TILEY,
12052                              el2edimg(new_element));
12053         else
12054           DrawFixedGraphicExt(drawto,
12055                               gi->x + sx * TILEX,
12056                               gi->y + sy * TILEY,
12057                               el2edimg(new_element), 0);
12058
12059         if (id == GADGET_ID_CUSTOM_GRAPHIC)
12060           new_element = GFX_ELEMENT(new_element);
12061
12062         drawingarea_info[type_id].value[pos] = new_element;
12063
12064         CopyElementPropertiesToGame(properties_element);
12065
12066         if (id == GADGET_ID_CUSTOM_GRAPHIC)
12067         {
12068           UpdateCustomElementGraphicGadgets();
12069
12070           FrameCounter = 0;     /* restart animation frame counter */
12071         }
12072       }
12073       break;
12074
12075     case GADGET_ID_CONNECTED_ITEMS:
12076       {
12077         static int last_sx = -1;
12078         static int last_sy = -1;
12079
12080         if (button_release_event)
12081           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12082
12083         if (button)
12084         {
12085           SetDrawModeHiRes(new_element);
12086
12087           if (getDrawModeHiRes())
12088           {
12089             sx = sx2;
12090             sy = sy2;
12091           }
12092
12093           if (!button_press_event)
12094             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
12095
12096           last_sx = sx;
12097           last_sy = sy;
12098         }
12099       }
12100       break;
12101
12102     case GADGET_ID_LINE:
12103     case GADGET_ID_ARC:
12104     case GADGET_ID_RECTANGLE:
12105     case GADGET_ID_FILLED_BOX:
12106       SetDrawModeHiRes(new_element);
12107
12108       if (getDrawModeHiRes())
12109       {
12110         sx = sx2;
12111         sy = sy2;
12112       }
12113       /* FALLTHROUGH */
12114     case GADGET_ID_GRAB_BRUSH:
12115     case GADGET_ID_TEXT:
12116       {
12117         static int last_sx = -1;
12118         static int last_sy = -1;
12119         static int start_sx = -1;
12120         static int start_sy = -1;
12121         void (*draw_func)(int, int, int, int, int, boolean);
12122
12123         if (drawing_function == GADGET_ID_LINE)
12124           draw_func = DrawLine;
12125         else if (drawing_function == GADGET_ID_ARC)
12126           draw_func = DrawArc;
12127         else if (drawing_function == GADGET_ID_RECTANGLE)
12128           draw_func = DrawBox;
12129         else if (drawing_function == GADGET_ID_FILLED_BOX)
12130           draw_func = DrawFilledBox;
12131         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
12132           draw_func = SelectArea;
12133         else /* (drawing_function == GADGET_ID_TEXT) */
12134           draw_func = SetTextCursor;
12135
12136         if (button_press_event)
12137         {
12138           draw_func(sx, sy, sx, sy, new_element, FALSE);
12139           start_sx = last_sx = sx;
12140           start_sy = last_sy = sy;
12141
12142           if (drawing_function == GADGET_ID_TEXT)
12143             DrawLevelText(0, 0, 0, TEXT_END);
12144         }
12145         else if (button_release_event)
12146         {
12147           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
12148           if (drawing_function == GADGET_ID_GRAB_BRUSH)
12149           {
12150             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
12151             CopyBrushToCursor(sx, sy);
12152             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
12153                           MB_LEFTBUTTON);
12154             draw_with_brush = TRUE;
12155           }
12156           else if (drawing_function == GADGET_ID_TEXT)
12157             DrawLevelText(sx, sy, 0, TEXT_INIT);
12158           else
12159             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12160         }
12161         else if (last_sx != sx || last_sy != sy)
12162         {
12163           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
12164           if (IS_MM_WALL_EDITOR(new_element))   /* clear wall background */
12165             draw_func(start_sx, start_sy, sx, sy, EL_EMPTY, FALSE);
12166           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
12167           last_sx = sx;
12168           last_sy = sy;
12169         }
12170       }
12171       break;
12172
12173     case GADGET_ID_FLOOD_FILL:
12174       if (button_press_event && Feld[lx][ly] != new_element)
12175       {
12176         if (IS_MM_WALL_EDITOR(new_element))
12177           FloodFillWall_MM(sx2, sy2, new_element);
12178         else
12179           FloodFill(lx, ly, new_element);
12180
12181         DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12182         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12183       }
12184       break;
12185
12186     case GADGET_ID_PICK_ELEMENT:
12187       if (button_release_event)
12188         ClickOnGadget(level_editor_gadget[last_drawing_function],
12189                       MB_LEFTBUTTON);
12190       else if (draw_level)
12191         PickDrawingElement(button, Feld[lx][ly]);
12192       else
12193       {
12194         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
12195
12196         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
12197       }
12198
12199     default:
12200       break;
12201   }
12202
12203   /* do not mark level as modified for certain non-level-changing gadgets */
12204   if ((type_id >= ED_DRAWING_ID_EDITOR_FIRST &&
12205        type_id <= ED_DRAWING_ID_EDITOR_LAST) ||
12206       actual_drawing_function == GADGET_ID_PICK_ELEMENT)
12207     return;
12208
12209   level.changed = TRUE;
12210 }
12211
12212 static void HandleCounterButtons(struct GadgetInfo *gi)
12213 {
12214   int gadget_id = gi->custom_id;
12215   int counter_id = gi->custom_type_id;
12216   int button = gi->event.button;
12217   int *counter_value = counterbutton_info[counter_id].value;
12218   int step = BUTTON_STEPSIZE(button) *
12219     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
12220
12221   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
12222   {
12223     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
12224     boolean released = (gi->event.type == GD_EVENT_RELEASED);
12225     boolean level_changed = LevelChanged();
12226
12227     if ((level_changed && pressed) || (!level_changed && released))
12228       return;
12229
12230     if (level_changed && !Request("Level has changed! Discard changes?",
12231                                   REQ_ASK))
12232     {
12233       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
12234         ModifyEditorCounterValue(counter_id, *counter_value);
12235
12236       return;
12237     }
12238   }
12239
12240   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
12241     *counter_value = gi->textinput.number_value;
12242   else
12243     ModifyEditorCounterValue(counter_id, *counter_value + step);
12244
12245   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
12246   {
12247     int last_game_engine_type = level.game_engine_type;
12248
12249     LoadLevel(level_nr);
12250     LoadScore(level_nr);
12251
12252     SaveLevelSetup_SeriesInfo();
12253
12254     TapeErase();
12255
12256     ResetUndoBuffer();
12257     DrawEditModeWindow();
12258
12259     if (level.game_engine_type != last_game_engine_type)
12260     {
12261       /* update element selection list */
12262       ReinitializeElementList();
12263       ModifyEditorElementList();
12264     }
12265
12266     return;
12267   }
12268
12269   switch (counter_id)
12270   {
12271     case ED_COUNTER_ID_YAMYAM_CONTENT:
12272       DrawYamYamContentAreas();
12273       break;
12274
12275     case ED_COUNTER_ID_BALL_CONTENT:
12276       DrawMagicBallContentAreas();
12277       break;
12278
12279     case ED_COUNTER_ID_ANDROID_CONTENT:
12280       DrawAndroidElementArea(properties_element);
12281       break;
12282
12283     case ED_COUNTER_ID_GROUP_CONTENT:
12284       DrawGroupElementArea(properties_element);
12285       CopyGroupElementPropertiesToGame(properties_element);
12286       break;
12287
12288     case ED_COUNTER_ID_INVENTORY_SIZE:
12289       DrawPlayerInitialInventoryArea(properties_element);
12290       break;
12291
12292     case ED_COUNTER_ID_ENVELOPE_XSIZE:
12293     case ED_COUNTER_ID_ENVELOPE_YSIZE:
12294       DrawEnvelopeTextArea(-1);
12295       break;
12296
12297     case ED_COUNTER_ID_LEVEL_XSIZE:
12298     case ED_COUNTER_ID_LEVEL_YSIZE:
12299       lev_fieldx = level.fieldx;
12300       lev_fieldy = level.fieldy;
12301
12302       /* check if resizing of level results in change of border border */
12303       SetBorderElement();
12304
12305       break;
12306
12307     default:
12308       break;
12309   }
12310
12311   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
12312        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
12313       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
12314        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
12315     CopyElementPropertiesToGame(properties_element);
12316
12317   /* do not mark level as modified for certain non-level-changing gadgets */
12318   if (counter_id >= ED_COUNTER_ID_EDITOR_FIRST &&
12319       counter_id <= ED_COUNTER_ID_EDITOR_LAST)
12320     return;
12321
12322   level.changed = TRUE;
12323 }
12324
12325 static void HandleTextInputGadgets(struct GadgetInfo *gi)
12326 {
12327   int type_id = gi->custom_type_id;
12328
12329   strcpy(textinput_info[type_id].value, gi->textinput.value);
12330
12331   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
12332   {
12333     CopyElementPropertiesToGame(properties_element);
12334
12335     ModifyEditorElementList();  /* update changed button info text */
12336   }
12337
12338   level.changed = TRUE;
12339 }
12340
12341 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
12342 {
12343   int type_id = gi->custom_type_id;
12344
12345   strncpy(textarea_info[type_id].value, gi->textarea.value,
12346           MAX_ENVELOPE_TEXT_LEN);
12347   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
12348
12349   level.changed = TRUE;
12350 }
12351
12352 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
12353 {
12354   int type_id = gi->custom_type_id;
12355   int value_old = *selectbox_info[type_id].value;
12356   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
12357
12358   *selectbox_info[type_id].value = value_new;
12359
12360   if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
12361   {
12362     element_info[properties_element].current_change_page = gi->selectbox.index;
12363
12364     DrawPropertiesWindow();
12365   }
12366   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
12367             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
12368            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
12369             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
12370            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
12371   {
12372     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
12373     {
12374       /* when changing action type, also check action mode and action arg */
12375       if (value_old != value_new)
12376         setSelectboxSpecialActionVariablesIfNeeded();
12377
12378       DrawPropertiesChange();
12379     }
12380
12381     CopyElementPropertiesToGame(properties_element);
12382
12383     level.changed = TRUE;
12384   }
12385   else if (type_id == ED_SELECTBOX_ID_GAME_ENGINE_TYPE)
12386   {
12387     /* update element selection list */
12388     ReinitializeElementList();
12389     ModifyEditorElementList();
12390   }
12391 }
12392
12393 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
12394 {
12395   int type_id = gi->custom_type_id;
12396   int i;
12397
12398   if (type_id >= ED_TAB_BUTTON_ID_LEVELINFO_FIRST &&
12399       type_id <= ED_TAB_BUTTON_ID_LEVELINFO_LAST)
12400   {
12401     edit_mode_levelinfo = gi->custom_type_id;
12402
12403     DrawLevelInfoWindow();
12404   }
12405   else if (type_id >= ED_TAB_BUTTON_ID_PROPERTIES_FIRST &&
12406            type_id <= ED_TAB_BUTTON_ID_PROPERTIES_LAST)
12407   {
12408     edit_mode_properties = gi->custom_type_id;
12409
12410     DrawPropertiesWindow();
12411   }
12412   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1 ||
12413            type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2)
12414   {
12415     boolean new_template = !fileExists(getLocalLevelTemplateFilename());
12416
12417     /* backup original "level.field" (needed to track playfield changes) */
12418     CopyPlayfield(level.field, FieldBackup);
12419
12420     /* "SaveLevelTemplate()" uses "level.field", so copy editor playfield */
12421     CopyPlayfield(Feld, level.field);
12422
12423     if (new_template ||
12424         Request("Save this template and kill the old?", REQ_ASK))
12425       SaveLevelTemplate();
12426
12427     if (new_template)
12428       Request("Template saved!", REQ_CONFIRM);
12429
12430     /* restore original "level.field" (needed to track playfield changes) */
12431     CopyPlayfield(FieldBackup, level.field);
12432   }
12433   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
12434            custom_element.num_change_pages < MAX_CHANGE_PAGES)
12435   {
12436     struct ElementInfo *ei = &element_info[properties_element];
12437
12438     /* when modifying custom element, ask for copying level template */
12439     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
12440       return;
12441
12442     setElementChangePages(ei, ei->num_change_pages + 1);
12443
12444     /* set new change page to be new current change page */
12445     ei->current_change_page = ei->num_change_pages - 1;
12446     ei->change = &ei->change_page[ei->current_change_page];
12447
12448     setElementChangeInfoToDefaults(ei->change);
12449
12450     DrawPropertiesWindow();
12451
12452     level.changed = TRUE;
12453   }
12454   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
12455            custom_element.num_change_pages > MIN_CHANGE_PAGES)
12456   {
12457     struct ElementInfo *ei = &element_info[properties_element];
12458
12459     /* when modifying custom element, ask for copying level template */
12460     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
12461       return;
12462
12463     /* copy all change pages after change page to be deleted */
12464     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
12465       ei->change_page[i] = ei->change_page[i + 1];
12466
12467     setElementChangePages(ei, ei->num_change_pages - 1);
12468
12469     DrawPropertiesWindow();
12470
12471     level.changed = TRUE;
12472   }
12473 }
12474
12475 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
12476 {
12477   int type_id = gi->custom_type_id;
12478
12479   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
12480       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
12481   {
12482     struct ElementInfo *ei = &element_info[properties_element];
12483     int step = BUTTON_STEPSIZE(gi->event.button);
12484
12485     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
12486     ei->current_change_page += step;
12487
12488     if (ei->current_change_page < 0)
12489       ei->current_change_page = 0;
12490     else if (ei->current_change_page >= ei->num_change_pages)
12491       ei->current_change_page = ei->num_change_pages - 1;
12492
12493     DrawPropertiesWindow();
12494   }
12495   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
12496            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
12497   {
12498     struct ElementInfo *ei = &element_info[properties_element];
12499     int current_change_page = ei->current_change_page;
12500
12501     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
12502     {
12503       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
12504         ei->change_page[current_change_page];
12505     }
12506     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
12507     {
12508       /* when modifying custom element, ask for copying level template */
12509       if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
12510         return;
12511
12512       ei->change_page[current_change_page] =
12513         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
12514
12515       level.changed = TRUE;
12516     }
12517
12518     DrawPropertiesWindow();
12519   }
12520 }
12521
12522 static void HandleRadiobuttons(struct GadgetInfo *gi)
12523 {
12524   int type_id = gi->custom_type_id;
12525
12526   *radiobutton_info[type_id].value =
12527     radiobutton_info[type_id].checked_value;
12528
12529   /* do not mark level as modified for certain non-level-changing gadgets */
12530   if (type_id >= ED_RADIOBUTTON_ID_EDITOR_FIRST &&
12531       type_id <= ED_RADIOBUTTON_ID_EDITOR_LAST)
12532     return;
12533
12534   level.changed = TRUE;
12535 }
12536
12537 static void HandleCheckbuttons(struct GadgetInfo *gi)
12538 {
12539   int type_id = gi->custom_type_id;
12540
12541   *checkbutton_info[type_id].value ^= TRUE;
12542
12543   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
12544       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
12545       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
12546       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
12547          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
12548         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
12549          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
12550        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1))
12551   {
12552     CopyElementPropertiesToGame(properties_element);
12553   }
12554
12555   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
12556   {
12557     UpdateCustomElementGraphicGadgets();
12558   }
12559   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1 ||
12560            type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2)
12561   {
12562     boolean template_related_changes_found = FALSE;
12563     int i;
12564
12565     /* check if any custom or group elements have been changed */
12566     for (i = 0; i < NUM_FILE_ELEMENTS; i++)
12567       if ((IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)) &&
12568           element_info[i].modified_settings)
12569         template_related_changes_found = TRUE;
12570
12571     if (level.use_custom_template &&
12572         !fileExists(getGlobalLevelTemplateFilename()))
12573     {
12574       Request("No level template found!", REQ_CONFIRM);
12575
12576       level.use_custom_template = FALSE;
12577
12578       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
12579
12580       return;
12581     }
12582
12583     if (level.use_custom_template &&
12584         template_related_changes_found &&
12585         !Request("Discard changes and use level template?", REQ_ASK))
12586     {
12587       level.use_custom_template = FALSE;
12588
12589       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
12590
12591       return;
12592     }
12593
12594     if (!level.use_custom_template &&
12595         Request("Copy settings from level template?", REQ_ASK))
12596     {
12597       return;
12598     }
12599
12600     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
12601
12602     DrawEditModeWindow();
12603   }
12604   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3)
12605   {
12606     if (setup.editor.use_template_for_new_levels &&
12607         !fileExists(getGlobalLevelTemplateFilename()))
12608     {
12609       Request("No level template found!", REQ_CONFIRM);
12610
12611       return;
12612     }
12613
12614     if (setup.editor.use_template_for_new_levels &&
12615         level.changed &&
12616         !Request("Discard level and load template?", REQ_ASK))
12617     {
12618       return;
12619     }
12620
12621     if (!setup.editor.use_template_for_new_levels &&
12622         level.changed &&
12623         !Request("Discard level and use empty level?", REQ_ASK))
12624     {
12625       return;
12626     }
12627
12628     LoadLevel(level_nr);
12629     LoadScore(level_nr);
12630
12631     TapeErase();
12632
12633     ResetUndoBuffer();
12634     DrawEditModeWindow();
12635   }
12636   else if (type_id == ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS)
12637   {
12638     SetAutomaticNumberOfGemsNeeded();
12639   }
12640
12641   /* do not mark level as modified for certain non-level-changing gadgets */
12642   if ((type_id >= ED_CHECKBUTTON_ID_EDITOR_FIRST &&
12643        type_id <= ED_CHECKBUTTON_ID_EDITOR_LAST) ||
12644       type_id == ED_CHECKBUTTON_ID_STICK_ELEMENT)
12645     return;
12646
12647   level.changed = TRUE;
12648 }
12649
12650 static void HandleControlButtons(struct GadgetInfo *gi)
12651 {
12652   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
12653   static int last_edit_mode = ED_MODE_DRAWING;
12654   static int last_custom_copy_mode = -1;
12655   static int last_button = 0;
12656   int id = gi->custom_id;
12657   int button = gi->event.button;
12658   int step = BUTTON_STEPSIZE(button);
12659   int new_element = BUTTON_ELEMENT(button);
12660   int last_properties_element = properties_element;
12661   int x, y;
12662
12663   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
12664     DrawLevelText(0, 0, 0, TEXT_END);
12665
12666   if (id < ED_NUM_CTRL1_BUTTONS &&
12667       id != GADGET_ID_SINGLE_ITEMS &&
12668       id != GADGET_ID_PICK_ELEMENT &&
12669       edit_mode != ED_MODE_DRAWING &&
12670       drawing_function != GADGET_ID_PICK_ELEMENT &&
12671       !(GetKeyModState() & KMOD_Control))
12672     ChangeEditModeWindow(ED_MODE_DRAWING);
12673
12674   /* element copy mode active, but no element button pressed => deactivate */
12675   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
12676     last_custom_copy_mode = -1;
12677
12678   /* when showing palette on element buttons, change element of button used */
12679   if (editor.palette.show_on_element_buttons &&
12680       id >= GADGET_ID_ELEMENT_LEFT && id <= GADGET_ID_ELEMENT_RIGHT)
12681   {
12682     last_button = id - GADGET_ID_ELEMENT_LEFT + 1;
12683
12684     id = GADGET_ID_PALETTE;
12685   }
12686
12687   switch (id)
12688   {
12689     case GADGET_ID_SCROLL_LEFT:
12690       if (level_xpos >= 0)
12691       {
12692         if (lev_fieldx < ed_fieldx - 2)
12693           break;
12694
12695         level_xpos -= step;
12696         if (level_xpos < -1)
12697           level_xpos = -1;
12698         if (button == 1)
12699           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
12700         else
12701           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12702
12703         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
12704                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
12705       }
12706       break;
12707
12708     case GADGET_ID_SCROLL_RIGHT:
12709       if (level_xpos <= lev_fieldx - ed_fieldx)
12710       {
12711         if (lev_fieldx < ed_fieldx - 2)
12712           break;
12713
12714         level_xpos += step;
12715         if (level_xpos > lev_fieldx - ed_fieldx + 1)
12716           level_xpos = lev_fieldx - ed_fieldx + 1;
12717         if (button == 1)
12718           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
12719         else
12720           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12721
12722         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
12723                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
12724       }
12725       break;
12726
12727     case GADGET_ID_SCROLL_UP:
12728       if (level_ypos >= 0)
12729       {
12730         if (lev_fieldy < ed_fieldy - 2)
12731           break;
12732
12733         level_ypos -= step;
12734         if (level_ypos < -1)
12735           level_ypos = -1;
12736         if (button == 1)
12737           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
12738         else
12739           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12740
12741         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
12742                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
12743       }
12744       break;
12745
12746     case GADGET_ID_SCROLL_DOWN:
12747       if (level_ypos <= lev_fieldy - ed_fieldy)
12748       {
12749         if (lev_fieldy < ed_fieldy - 2)
12750           break;
12751
12752         level_ypos += step;
12753         if (level_ypos > lev_fieldy - ed_fieldy + 1)
12754           level_ypos = lev_fieldy - ed_fieldy + 1;
12755         if (button == 1)
12756           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_UP);
12757         else
12758           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12759
12760         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
12761                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
12762       }
12763       break;
12764
12765     case GADGET_ID_SCROLL_HORIZONTAL:
12766       level_xpos = gi->event.item_position - 1;
12767
12768       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12769       BackToFront();
12770
12771       break;
12772
12773     case GADGET_ID_SCROLL_VERTICAL:
12774       level_ypos = gi->event.item_position - 1;
12775
12776       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12777       BackToFront();
12778
12779       break;
12780
12781     case GADGET_ID_SCROLL_LIST_UP:
12782     case GADGET_ID_SCROLL_LIST_DOWN:
12783     case GADGET_ID_SCROLL_LIST_VERTICAL:
12784       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
12785         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
12786       else
12787       {
12788         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
12789         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
12790
12791         if (element_shift < 0)
12792           element_shift = 0;
12793         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
12794           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
12795
12796         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
12797                      GDI_SCROLLBAR_ITEM_POSITION,
12798                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
12799       }
12800
12801       ModifyEditorElementList();
12802
12803       break;
12804
12805     case GADGET_ID_PROPERTIES:
12806       // always switch off element properties when they are already displayed
12807       last_properties_element = new_element;
12808     case GADGET_ID_ELEMENT_LEFT:
12809     case GADGET_ID_ELEMENT_MIDDLE:
12810     case GADGET_ID_ELEMENT_RIGHT:
12811       properties_element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
12812                             id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
12813                             id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 :
12814                             new_element);
12815
12816       if (edit_mode != ED_MODE_PROPERTIES)
12817       {
12818         last_edit_mode = edit_mode;
12819
12820         ChangeEditModeWindow(ED_MODE_PROPERTIES);
12821
12822         last_level_drawing_function = drawing_function;
12823         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
12824                       MB_LEFTBUTTON);
12825       }
12826       else if (properties_element != last_properties_element)
12827       {
12828         DrawEditModeWindow();
12829       }
12830       else
12831       {
12832         ChangeEditModeWindow(last_edit_mode);
12833
12834         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
12835                       MB_LEFTBUTTON);
12836       }
12837       break;
12838
12839     case GADGET_ID_PALETTE:
12840       if (edit_mode != ED_MODE_PALETTE)
12841       {
12842         last_edit_mode = edit_mode;
12843
12844         ChangeEditModeWindow(ED_MODE_PALETTE);
12845       }
12846       else
12847       {
12848         ChangeEditModeWindow(last_edit_mode);
12849       }
12850       break;
12851
12852     case GADGET_ID_WRAP_LEFT:
12853       WrapLevel(-step, 0);
12854       break;
12855
12856     case GADGET_ID_WRAP_RIGHT:
12857       WrapLevel(step, 0);
12858       break;
12859
12860     case GADGET_ID_WRAP_UP:
12861       WrapLevel(0, -step);
12862       break;
12863
12864     case GADGET_ID_WRAP_DOWN:
12865       WrapLevel(0, step);
12866       break;
12867
12868     case GADGET_ID_SINGLE_ITEMS:
12869     case GADGET_ID_CONNECTED_ITEMS:
12870     case GADGET_ID_LINE:
12871     case GADGET_ID_ARC:
12872     case GADGET_ID_TEXT:
12873     case GADGET_ID_RECTANGLE:
12874     case GADGET_ID_FILLED_BOX:
12875     case GADGET_ID_FLOOD_FILL:
12876     case GADGET_ID_GRAB_BRUSH:
12877     case GADGET_ID_PICK_ELEMENT:
12878       if (drawing_function != GADGET_ID_PICK_ELEMENT)
12879         last_drawing_function = drawing_function;
12880       drawing_function = id;
12881       draw_with_brush = FALSE;
12882       break;
12883
12884     case GADGET_ID_RANDOM_PLACEMENT:
12885       RandomPlacement(new_element);
12886       break;
12887
12888     case GADGET_ID_ZOOM:
12889       // zoom level editor tile size in or out (or reset to default size)
12890       ed_tilesize = (button == 1 ? ed_tilesize * 2 :
12891                      button == 2 ? DEFAULT_EDITOR_TILESIZE :
12892                      button == 3 ? ed_tilesize / 2 : ed_tilesize);
12893
12894       // limit zoom level by upper and lower bound
12895       ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
12896
12897       InitZoomLevelSettings(ed_tilesize);
12898
12899       if (edit_mode == ED_MODE_DRAWING)
12900       {
12901         DrawDrawingWindow();
12902
12903         /* redraw zoom gadget info text */
12904         PrintEditorGadgetInfoText(level_editor_gadget[id]);
12905       }
12906
12907       /* save current editor zoom tilesize */
12908       SaveSetup_AutoSetup();
12909
12910       break;
12911
12912     case GADGET_ID_CUSTOM_COPY_FROM:
12913     case GADGET_ID_CUSTOM_COPY_TO:
12914     case GADGET_ID_CUSTOM_EXCHANGE:
12915       last_custom_copy_mode = id;
12916       last_drawing_function = drawing_function;
12917       break;
12918
12919     case GADGET_ID_CUSTOM_COPY:
12920       CopyCustomElement(properties_element, -1, id);
12921       break;
12922
12923     case GADGET_ID_CUSTOM_PASTE:
12924       CopyCustomElement(-1, properties_element, id);
12925       break;
12926
12927     case GADGET_ID_UNDO:
12928       if (button == 1 && GetKeyModState() & (KMOD_Shift|KMOD_Control))
12929         button = 3;
12930
12931       if (button == 1 && undo_buffer_steps == 0)
12932       {
12933         Request("Undo buffer empty!", REQ_CONFIRM);
12934
12935         break;
12936       }
12937       else if (button == 2)
12938       {
12939         break;
12940       }
12941       else if (button == 3 && redo_buffer_steps == 0)
12942       {
12943         Request("Redo buffer empty!", REQ_CONFIRM);
12944
12945         break;
12946       }
12947
12948       if (edit_mode != ED_MODE_DRAWING)
12949         ChangeEditModeWindow(ED_MODE_DRAWING);
12950
12951       if (button == 1)
12952       {
12953         /* undo */
12954
12955         undo_buffer_position =
12956           (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
12957
12958         undo_buffer_steps--;
12959         redo_buffer_steps++;
12960       }
12961       else
12962       {
12963         /* redo */
12964
12965         undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
12966
12967         undo_buffer_steps++;
12968         redo_buffer_steps--;
12969       }
12970
12971       for (x = 0; x < lev_fieldx; x++)
12972         for (y = 0; y < lev_fieldy; y++)
12973           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
12974
12975       /* check if undo operation forces change of border style */
12976       CheckLevelBorderElement(FALSE);
12977
12978       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12979
12980       break;
12981
12982     case GADGET_ID_INFO:
12983       if (edit_mode != ED_MODE_INFO)
12984       {
12985         last_edit_mode = edit_mode;
12986
12987         ChangeEditModeWindow(ED_MODE_INFO);
12988       }
12989       else
12990       {
12991         ChangeEditModeWindow(last_edit_mode);
12992       }
12993       break;
12994
12995     case GADGET_ID_CLEAR:
12996       if (edit_mode != ED_MODE_DRAWING)
12997         ChangeEditModeWindow(ED_MODE_DRAWING);
12998
12999       for (x = 0; x < MAX_LEV_FIELDX; x++)
13000         for (y = 0; y < MAX_LEV_FIELDY; y++)
13001           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
13002
13003       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
13004
13005       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13006       break;
13007
13008     case GADGET_ID_SAVE:
13009     {
13010       /* saving read-only levels into personal level set modifies global vars
13011          "leveldir_current" and "level_nr"; restore them after saving level */
13012       LevelDirTree *leveldir_former = leveldir_current;
13013       int level_nr_former = level_nr;
13014       char *level_filename;
13015       boolean new_level;
13016
13017       if (leveldir_current->readonly &&
13018           !PrepareSavingIntoPersonalLevelSet())
13019         break;
13020
13021       level_filename = getDefaultLevelFilename(level_nr);
13022       new_level = !fileExists(level_filename);
13023
13024       if (new_level ||
13025           Request("Save this level and kill the old?", REQ_ASK))
13026       {
13027         if (leveldir_former->readonly)
13028           ModifyLevelInfoForSavingIntoPersonalLevelSet(leveldir_former->name);
13029
13030         SetAutomaticNumberOfGemsNeeded();
13031
13032         CopyPlayfield(Feld, level.field);
13033         SaveLevel(level_nr);
13034
13035         level.changed = FALSE;
13036
13037         if (new_level)
13038         {
13039           char level_saved_msg[64];
13040
13041           if (leveldir_former->readonly)
13042             sprintf(level_saved_msg,
13043                     "Level saved as level %d into personal level set!",
13044                     level_nr);
13045           else
13046             strcpy(level_saved_msg, "Level saved!");
13047
13048           Request(level_saved_msg, REQ_CONFIRM);
13049         }
13050       }
13051
13052       /* "cd" back to copied-from levelset (in case of saved read-only level) */
13053       leveldir_current = leveldir_former;
13054       level_nr = level_nr_former;
13055
13056       break;
13057     }
13058
13059     case GADGET_ID_TEST:
13060       if (LevelChanged())
13061         level.game_version = GAME_VERSION_ACTUAL;
13062
13063       CopyPlayfield(level.field, FieldBackup);
13064       CopyPlayfield(Feld, level.field);
13065
13066       CopyNativeLevel_RND_to_Native(&level);
13067
13068       UnmapLevelEditorGadgets();
13069       UndrawSpecialEditorDoor();
13070
13071       CloseDoor(DOOR_CLOSE_ALL);
13072
13073       /* needed before playing if editor playfield area has different size */
13074       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
13075
13076       // redraw_mask = REDRAW_ALL;
13077
13078       level_editor_test_game = TRUE;
13079
13080       StartGameActions(FALSE, setup.autorecord, level.random_seed);
13081
13082       break;
13083
13084     case GADGET_ID_EXIT:
13085       RequestExitLevelEditor(TRUE, FALSE);  /* if level has changed, ask user */
13086       break;
13087
13088     default:
13089       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
13090           id <= GADGET_ID_ELEMENTLIST_LAST)
13091       {
13092         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
13093         int new_element = editor_elements[element_position + element_shift];
13094
13095         if (IS_EDITOR_CASCADE(new_element))
13096         {
13097           int i;
13098
13099           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
13100           {
13101             int *cascade_element= &(*editor_elements_info[i].headline_list)[0];
13102             boolean *cascade_value=editor_elements_info[i].setup_cascade_value;
13103
13104             if (*cascade_element == new_element)
13105             {
13106               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
13107               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
13108
13109               /* update element selection list */
13110               ReinitializeElementList();
13111               ModifyEditorElementList();
13112
13113               /* update cascading gadget info text */
13114               PrintEditorGadgetInfoText(level_editor_gadget[id]);
13115
13116               /* save current editor cascading state */
13117               SaveSetup_EditorCascade();
13118
13119               break;
13120             }
13121           }
13122
13123           break;
13124         }
13125
13126         if (last_custom_copy_mode != -1)
13127         {
13128           if (CopyCustomElement(properties_element, new_element,
13129                                 last_custom_copy_mode))
13130           {
13131             ClickOnGadget(level_editor_gadget[last_drawing_function],
13132                           MB_LEFTBUTTON);
13133
13134             last_custom_copy_mode = -1;
13135           }
13136
13137           break;
13138         }
13139
13140         /* change element of button used to show palette */
13141         if (editor.palette.show_on_element_buttons)
13142           button = last_button;
13143
13144         PickDrawingElement(button, new_element);
13145
13146         if (!stick_element_properties_window &&
13147             drawing_function != GADGET_ID_PICK_ELEMENT &&
13148             !(GetKeyModState() & KMOD_Control))
13149         {
13150           properties_element = new_element;
13151           if (edit_mode == ED_MODE_PROPERTIES)
13152             DrawPropertiesWindow();
13153         }
13154
13155         if (drawing_function == GADGET_ID_PICK_ELEMENT)
13156           ClickOnGadget(level_editor_gadget[last_drawing_function],
13157                         MB_LEFTBUTTON);
13158
13159         if (!use_permanent_palette)
13160           ChangeEditModeWindow(last_edit_mode);
13161       }
13162 #ifdef DEBUG
13163       else if (gi->event.type == GD_EVENT_PRESSED)
13164         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
13165       else if (gi->event.type == GD_EVENT_RELEASED)
13166         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
13167       else if (gi->event.type == GD_EVENT_MOVING)
13168         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
13169       else
13170         printf("default: HandleControlButtons: ? (id == %d)\n", id);
13171 #endif
13172       break;
13173   }
13174 }
13175
13176 void HandleLevelEditorKeyInput(Key key)
13177 {
13178   char letter = getCharFromKey(key);
13179   int button = MB_LEFTBUTTON;
13180
13181   if (drawing_function == GADGET_ID_TEXT &&
13182       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
13183   {
13184     if (letter)
13185       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
13186     else if (key == KSYM_Delete || key == KSYM_BackSpace)
13187       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
13188     else if (key == KSYM_Return)
13189       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
13190     else if (key == KSYM_Escape)
13191       DrawLevelText(0, 0, 0, TEXT_END);
13192   }
13193   else if (button_status == MB_RELEASED)
13194   {
13195     int id = GADGET_ID_NONE;
13196     int new_element_shift = element_shift;
13197     int step = ED_ELEMENTLIST_BUTTONS_VERT - 1;
13198     int i;
13199
13200     switch (key)
13201     {
13202       case KSYM_Left:
13203         id = GADGET_ID_SCROLL_LEFT;
13204         break;
13205       case KSYM_Right:
13206         id = GADGET_ID_SCROLL_RIGHT;
13207         break;
13208       case KSYM_Up:
13209         id = GADGET_ID_SCROLL_UP;
13210         break;
13211       case KSYM_Down:
13212         id = GADGET_ID_SCROLL_DOWN;
13213         break;
13214
13215       case KSYM_Page_Up:
13216       case KSYM_Page_Down:
13217         step *= (key == KSYM_Page_Up ? -1 : +1);
13218         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
13219
13220         if (element_shift < 0)
13221           element_shift = 0;
13222         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
13223           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
13224
13225         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
13226                      GDI_SCROLLBAR_ITEM_POSITION,
13227                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
13228
13229         ModifyEditorElementList();
13230
13231         break;
13232
13233       case KSYM_Home:
13234       case KSYM_End:
13235         element_shift = (key == KSYM_Home ? 0 :
13236                          num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
13237
13238         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
13239                      GDI_SCROLLBAR_ITEM_POSITION,
13240                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
13241
13242         ModifyEditorElementList();
13243
13244         break;
13245
13246       case KSYM_Insert:
13247       case KSYM_Delete:
13248
13249         /* this is needed to prevent interference with running "True X-Mouse" */
13250         if (GetKeyModStateFromEvents() & KMOD_Control)
13251           break;
13252
13253         /* check for last or next editor cascade block in element list */
13254         for (i = 0; i < num_editor_elements; i++)
13255         {
13256           if ((key == KSYM_Insert && i == element_shift) ||
13257               (key == KSYM_Delete && new_element_shift > element_shift))
13258             break;
13259
13260           /* jump to next cascade block (or to start of element list) */
13261           if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
13262             new_element_shift = i;
13263         }
13264
13265         if (i < num_editor_elements)
13266           element_shift = new_element_shift;
13267
13268         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
13269           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
13270
13271         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
13272                      GDI_SCROLLBAR_ITEM_POSITION,
13273                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
13274
13275         ModifyEditorElementList();
13276
13277         break;
13278
13279       case KSYM_Escape:
13280         if (edit_mode == ED_MODE_DRAWING)
13281         {
13282           RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
13283         }
13284         else if (edit_mode == ED_MODE_INFO)
13285         {
13286           HandleControlButtons(level_editor_gadget[GADGET_ID_INFO]);
13287         }
13288         else if (edit_mode == ED_MODE_PROPERTIES)
13289         {
13290           HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
13291         }
13292         else if (edit_mode == ED_MODE_PALETTE)
13293         {
13294           HandleControlButtons(level_editor_gadget[GADGET_ID_PALETTE]);
13295         }
13296         else            /* should never happen */
13297         {
13298           ChangeEditModeWindow(ED_MODE_DRAWING);
13299         }
13300
13301         break;
13302
13303       default:
13304         break;
13305     }
13306
13307     if (id != GADGET_ID_NONE)
13308       ClickOnGadget(level_editor_gadget[id], button);
13309     else if (letter == '1' || letter == '?')
13310       ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_LEFT], button);
13311     else if (letter == '2')
13312       ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_MIDDLE], button);
13313     else if (letter == '3')
13314       ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_RIGHT], button);
13315     else if (letter == '.')
13316       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
13317     else if (letter == 'U')
13318       ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
13319     else if (letter == '-' || key == KSYM_KP_Subtract)
13320       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 3);
13321     else if (letter == '0' || key == KSYM_KP_0)
13322       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 2);
13323     else if (letter == '+' || key == KSYM_KP_Add ||
13324              letter == '=')     // ("Shift-=" is "+" on US keyboards)
13325       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 1);
13326     else if (key == KSYM_Return ||
13327              key == KSYM_space ||
13328              key == setup.shortcut.toggle_pause)
13329       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
13330     else
13331       for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
13332         if (letter && letter == controlbutton_info[i].shortcut)
13333           if (!anyTextGadgetActive())
13334             ClickOnGadget(level_editor_gadget[i], button);
13335   }
13336 }
13337
13338 void HandleLevelEditorIdle()
13339 {
13340   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
13341   int x = editor.settings.element_graphic.x + element_border;
13342   int y = editor.settings.element_graphic.y + element_border;
13343   static unsigned int action_delay = 0;
13344   unsigned int action_delay_value = GameFrameDelay;
13345   int i;
13346
13347   if (edit_mode != ED_MODE_PROPERTIES)
13348     return;
13349
13350   if (!DelayReached(&action_delay, action_delay_value))
13351     return;
13352
13353   for (i = 0; i < ED_NUM_SELECTBOX; i++)
13354   {
13355     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
13356
13357     if (gi->mapped && gi->active && gi->selectbox.open)
13358       return;
13359   }
13360
13361   DrawEditorElementAnimation(SX + x, SY + y);
13362
13363   redraw_mask |= REDRAW_FIELD;
13364
13365   FrameCounter++;       /* increase animation frame counter */
13366 }
13367
13368 static void ClearEditorGadgetInfoText()
13369 {
13370   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
13371 }
13372
13373 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
13374 {
13375   char infotext[MAX_OUTPUT_LINESIZE + 1];
13376   char shortcut[MAX_OUTPUT_LINESIZE + 1];
13377   int max_infotext_len = getMaxInfoTextLength();
13378
13379   if (gi == NULL || strlen(gi->info_text) == 0)
13380     return;
13381
13382   strncpy(infotext, gi->info_text, max_infotext_len);
13383   infotext[max_infotext_len] = '\0';
13384
13385   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
13386   {
13387     int key = controlbutton_info[gi->custom_id].shortcut;
13388
13389     if (key)
13390     {
13391       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)
13392         sprintf(shortcut, " ('.' or '%c')", key);
13393       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT)
13394         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
13395       else if (gi->custom_id == GADGET_ID_TEST)
13396         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
13397       else if (gi->custom_id == GADGET_ID_UNDO)
13398         sprintf(shortcut, " ('%c/Shift-U')", key);
13399       else if (gi->custom_id == GADGET_ID_ZOOM)
13400         sprintf(shortcut, " ('%c', '0', '-')", key);
13401       else
13402         sprintf(shortcut, " ('%s%c')",
13403                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
13404
13405       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
13406         strcat(infotext, shortcut);
13407     }
13408   }
13409
13410   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, INFOTEXT_FONT);
13411 }
13412
13413 void HandleEditorGadgetInfoText(void *ptr)
13414 {
13415   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
13416
13417   if (game_status != GAME_MODE_EDITOR)
13418     return;
13419
13420   ClearEditorGadgetInfoText();
13421
13422   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
13423     return;
13424
13425   /* misuse this function to delete brush cursor, if needed */
13426   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
13427     DeleteBrushFromCursor();
13428
13429   PrintEditorGadgetInfoText(gi);
13430 }
13431
13432 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
13433 {
13434   static int start_lx, start_ly;
13435   int id = gi->custom_id;
13436   int type_id = gi->custom_type_id;
13437   int sx = gi->event.x;
13438   int sy = gi->event.y;
13439   int lx = sx + level_xpos;
13440   int ly = sy + level_ypos;
13441   int min_sx = 0, min_sy = 0;
13442   int max_sx = gi->drawing.area_xsize - 1;
13443   int max_sy = gi->drawing.area_ysize - 1;
13444   int actual_drawing_function = drawing_function;
13445   int max_infotext_len = getMaxInfoTextLength();
13446   char infotext[MAX_OUTPUT_LINESIZE + 1];
13447   char *text;
13448
13449   infotext[0] = '\0';           /* start with empty info text */
13450
13451   /* pressed Control key: simulate picking element */
13452   if (GetKeyModState() & KMOD_Control)
13453     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
13454
13455   ClearEditorGadgetInfoText();
13456
13457   if (gi->event.type == GD_EVENT_INFO_LEAVING)
13458     return;
13459
13460   /* make sure to stay inside drawing area boundaries */
13461   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
13462   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
13463
13464   if (id == GADGET_ID_DRAWING_LEVEL)
13465   {
13466     if (button_status)
13467     {
13468       int min_lx = 0, min_ly = 0;
13469       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
13470
13471       /* get positions inside level field */
13472       lx = sx + level_xpos;
13473       ly = sy + level_ypos;
13474
13475       /* make sure to stay inside level field boundaries */
13476       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
13477       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
13478
13479       /* correct drawing area positions accordingly */
13480       sx = lx - level_xpos;
13481       sy = ly - level_ypos;
13482     }
13483
13484     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
13485     {
13486       if (button_status)        /* if (gi->state == GD_BUTTON_PRESSED) */
13487       {
13488         if (gi->event.type == GD_EVENT_PRESSED)
13489         {
13490           start_lx = lx;
13491           start_ly = ly;
13492         }
13493
13494         switch (actual_drawing_function)
13495         {
13496           case GADGET_ID_SINGLE_ITEMS:
13497             text = "Drawing single items";
13498             break;
13499           case GADGET_ID_CONNECTED_ITEMS:
13500             text = "Drawing connected items";
13501             break;
13502           case GADGET_ID_LINE:
13503             text = "Drawing line";
13504             break;
13505           case GADGET_ID_ARC:
13506             text = "Drawing arc";
13507             break;
13508           case GADGET_ID_TEXT:
13509             text = "Setting text cursor";
13510             break;
13511           case GADGET_ID_RECTANGLE:
13512             text = "Drawing rectangle";
13513             break;
13514           case GADGET_ID_FILLED_BOX:
13515             text = "Drawing filled box";
13516             break;
13517           case GADGET_ID_FLOOD_FILL:
13518             text = "Flood fill";
13519             break;
13520           case GADGET_ID_GRAB_BRUSH:
13521             text = "Grabbing brush";
13522             break;
13523           case GADGET_ID_PICK_ELEMENT:
13524             text = "Picking element";
13525             break;
13526
13527           default:
13528             text = "Drawing position";
13529             break;
13530         }
13531
13532         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
13533           sprintf(infotext, "%s: %d, %d", text, lx, ly);
13534         else
13535           sprintf(infotext, "%s: %d, %d", text,
13536                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
13537       }
13538       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
13539         strncpy(infotext, getElementInfoText(Feld[lx][ly]), max_infotext_len);
13540       else
13541         sprintf(infotext, "Level position: %d, %d", lx, ly);
13542     }
13543
13544     /* misuse this function to draw brush cursor, if needed */
13545     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
13546     {
13547       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
13548         CopyBrushToCursor(sx, sy);
13549       else
13550         DeleteBrushFromCursor();
13551     }
13552   }
13553   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
13554   {
13555     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
13556     int element = drawingarea_info[type_id].value[pos];
13557
13558     strncpy(infotext, getElementInfoText(element), max_infotext_len);
13559   }
13560   else
13561   {
13562     if (id == GADGET_ID_CUSTOM_CONTENT)
13563       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
13564     else if (id == GADGET_ID_GROUP_CONTENT)
13565       sprintf(infotext, "group element position: %d", sx + 1);
13566     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
13567              id <= GADGET_ID_YAMYAM_CONTENT_7)
13568       sprintf(infotext, "content area %d position: %d, %d",
13569               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
13570     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
13571              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
13572       sprintf(infotext, "content area %d position: %d, %d",
13573               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
13574     else if (id == GADGET_ID_ANDROID_CONTENT)
13575       sprintf(infotext, "android element position: %d", sx + 1);
13576     else if (drawingarea_info[type_id].infotext != NULL)
13577       strcpy(infotext, drawingarea_info[type_id].infotext);
13578   }
13579
13580   infotext[max_infotext_len] = '\0';
13581
13582   if (strlen(infotext) > 0)
13583     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT, infotext);
13584 }
13585
13586 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
13587                             boolean quick_quit)
13588 {
13589   if (!ask_if_level_has_changed ||
13590       !LevelChanged() ||
13591       Request("Level has changed! Exit without saving?",
13592               REQ_ASK | REQ_STAY_OPEN))
13593   {
13594     struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
13595     struct RectWithBorder *vp_door_2 = &viewport.door_2[GAME_MODE_MAIN];
13596
13597     /* draw normal door */
13598     UndrawSpecialEditorDoor();
13599
13600     // close editor doors if viewport definition is the same as in main menu
13601     if (vp_door_1->x      == DX     &&
13602         vp_door_1->y      == DY     &&
13603         vp_door_1->width  == DXSIZE &&
13604         vp_door_1->height == DYSIZE &&
13605         vp_door_2->x      == VX     &&
13606         vp_door_2->y      == VY     &&
13607         vp_door_2->width  == VXSIZE &&
13608         vp_door_2->height == VYSIZE)
13609       CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
13610     else
13611       SetDoorState(DOOR_CLOSE_2);
13612
13613     BackToFront();
13614
13615     if (quick_quit)
13616       FadeSkipNextFadeIn();
13617
13618     SetGameStatus(GAME_MODE_MAIN);
13619
13620     DrawMainMenu();
13621   }
13622   else
13623   {
13624     if (!global.use_envelope_request)
13625     {
13626       CloseDoor(DOOR_CLOSE_1);
13627       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
13628     }
13629   }
13630 }