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