src/editor.c

   1 // ============================================================================
   2 // Rocks'n'Diamonds - McDuffin Strikes Back!
   3 // ----------------------------------------------------------------------------
   4 // (c) 1995-2014 by Artsoft Entertainment
   5 //                  Holger Schemel
   6 //                  info@artsoft.org
   7 //                  http://www.artsoft.org/
   8 // ----------------------------------------------------------------------------
   9 // editor.c
  10 // ============================================================================
  11
  12 #include <math.h>
  13
  14 #include "libgame/libgame.h"
  15
  16 #include "editor.h"
  17 #include "screens.h"
  18 #include "tools.h"
  19 #include "files.h"
  20 #include "game.h"
  21 #include "init.h"
  22 #include "tape.h"
  23
  24
  25 #define INFOTEXT_UNKNOWN_ELEMENT        "unknown"
  26
  27
  28 /*
  29   -----------------------------------------------------------------------------
  30   screen and artwork graphic pixel position definitions
  31   -----------------------------------------------------------------------------
  32 */
  33
  34 /* values for the control window */
  35 #define ED_CTRL1_BUTTONS_HORIZ          4       /* toolbox */
  36 #define ED_CTRL1_BUTTONS_VERT           4
  37 #define ED_CTRL2_BUTTONS_HORIZ          3       /* level */
  38 #define ED_CTRL2_BUTTONS_VERT           2
  39 #define ED_CTRL3_BUTTONS_HORIZ          3       /* CE and GE */
  40 #define ED_CTRL3_BUTTONS_VERT           1
  41 #define ED_CTRL4_BUTTONS_HORIZ          2       /* CE and GE */
  42 #define ED_CTRL4_BUTTONS_VERT           1
  43 #define ED_CTRL5_BUTTONS_HORIZ          1       /* properties */
  44 #define ED_CTRL5_BUTTONS_VERT           1
  45 #define ED_CTRL6_BUTTONS_HORIZ          3       /* properties */
  46 #define ED_CTRL6_BUTTONS_VERT           1
  47 #define ED_CTRL7_BUTTONS_HORIZ          1       /* palette */
  48 #define ED_CTRL7_BUTTONS_VERT           1
  49
  50 #define ED_NUM_CTRL1_BUTTONS   (ED_CTRL1_BUTTONS_HORIZ * ED_CTRL1_BUTTONS_VERT)
  51 #define ED_NUM_CTRL2_BUTTONS   (ED_CTRL2_BUTTONS_HORIZ * ED_CTRL2_BUTTONS_VERT)
  52 #define ED_NUM_CTRL3_BUTTONS   (ED_CTRL3_BUTTONS_HORIZ * ED_CTRL3_BUTTONS_VERT)
  53 #define ED_NUM_CTRL4_BUTTONS   (ED_CTRL4_BUTTONS_HORIZ * ED_CTRL4_BUTTONS_VERT)
  54 #define ED_NUM_CTRL5_BUTTONS   (ED_CTRL5_BUTTONS_HORIZ * ED_CTRL5_BUTTONS_VERT)
  55 #define ED_NUM_CTRL6_BUTTONS   (ED_CTRL6_BUTTONS_HORIZ * ED_CTRL6_BUTTONS_VERT)
  56 #define ED_NUM_CTRL7_BUTTONS   (ED_CTRL7_BUTTONS_HORIZ * ED_CTRL7_BUTTONS_VERT)
  57 #define ED_NUM_CTRL1_2_BUTTONS (ED_NUM_CTRL1_BUTTONS   + ED_NUM_CTRL2_BUTTONS)
  58 #define ED_NUM_CTRL1_3_BUTTONS (ED_NUM_CTRL1_2_BUTTONS + ED_NUM_CTRL3_BUTTONS)
  59 #define ED_NUM_CTRL1_4_BUTTONS (ED_NUM_CTRL1_3_BUTTONS + ED_NUM_CTRL4_BUTTONS)
  60 #define ED_NUM_CTRL1_5_BUTTONS (ED_NUM_CTRL1_4_BUTTONS + ED_NUM_CTRL5_BUTTONS)
  61 #define ED_NUM_CTRL1_6_BUTTONS (ED_NUM_CTRL1_5_BUTTONS + ED_NUM_CTRL6_BUTTONS)
  62 #define ED_NUM_CTRL1_7_BUTTONS (ED_NUM_CTRL1_6_BUTTONS + ED_NUM_CTRL7_BUTTONS)
  63 #define ED_NUM_CTRL_BUTTONS    ED_NUM_CTRL1_7_BUTTONS
  64
  65 /* values for the element list */
  66 #define ED_ELEMENTLIST_XPOS             (editor.palette.x)
  67 #define ED_ELEMENTLIST_YPOS             (editor.palette.y)
  68 #define ED_ELEMENTLIST_XSIZE            (graphic_info[IMG_EDITOR_PALETTE_BUTTON].width)
  69 #define ED_ELEMENTLIST_YSIZE            (graphic_info[IMG_EDITOR_PALETTE_BUTTON].height)
  70 #define ED_ELEMENTLIST_BUTTONS_HORIZ    (editor.palette.cols)
  71 #define ED_ELEMENTLIST_BUTTONS_VERT     (editor.palette.rows)
  72 #define ED_NUM_ELEMENTLIST_BUTTONS      (ED_ELEMENTLIST_BUTTONS_HORIZ * \
  73                                          ED_ELEMENTLIST_BUTTONS_VERT)
  74
  75 /* standard distances */
  76 #define ED_GADGET_NORMAL_DISTANCE       (editor.gadget.normal_spacing)
  77 #define ED_GADGET_SMALL_DISTANCE        (editor.gadget.small_spacing)
  78 #define ED_GADGET_TINY_DISTANCE         (editor.gadget.tiny_spacing)
  79 #define ED_GADGET_LINE_DISTANCE         (editor.gadget.line_spacing)
  80 #define ED_GADGET_TEXT_DISTANCE         (editor.gadget.text_spacing)
  81 #define ED_TAB_BAR_HEIGHT               (editor.gadget.separator_line.height)
  82 #define ED_DRAWINGAREA_TEXT_DISTANCE    (ED_GADGET_TEXT_DISTANCE +      \
  83                                          ED_DRAWINGAREA_BORDER_SIZE)
  84 #define ED_GADGET_SPACE_DISTANCE        (getFontWidth(FONT_TEXT_1))
  85
  86 /* values for drawingarea gadgets */
  87 #define IMG_BORDER_1                    IMG_EDITOR_ELEMENT_BORDER
  88 #define IMG_BORDER_2                    IMG_EDITOR_ELEMENT_BORDER_INPUT
  89 #define ED_ELEMENT_BORDER               (graphic_info[IMG_BORDER_1].border_size)
  90 #define ED_DRAWINGAREA_BORDER_SIZE      (graphic_info[IMG_BORDER_2].border_size)
  91 #define ED_DRAWINGAREA_TILE_SIZE        (editor.drawingarea.tile_size)
  92
  93 /* values for checkbutton gadgets */
  94 #define ED_CHECKBUTTON_XSIZE         (graphic_info[IMG_EDITOR_CHECKBOX].width)
  95 #define ED_CHECKBUTTON_YSIZE         (graphic_info[IMG_EDITOR_CHECKBOX].height)
  96
  97 #define ED_TABBUTTON_XSIZE           (graphic_info[IMG_EDITOR_TABBUTTON].width)
  98 #define ED_TABBUTTON_YSIZE           (graphic_info[IMG_EDITOR_TABBUTTON].height)
  99
 100 #define ED_SETTINGS_LEVEL_TABS_X        (editor.settings.tabs.x)
 101 #define ED_SETTINGS_LEVEL_TABS_Y        (editor.settings.tabs.y)
 102 #define ED_SETTINGS_ELEMENT_TABS_X      (editor.settings.tabs.x)
 103 #define ED_SETTINGS_ELEMENT_TABS_Y      (editor.settings.tabs.y +       \
 104                                          editor.settings.tabs.yoffset2)
 105
 106 #define ED_SETTINGS_TABS_XOFFSET        (editor.settings.tabs.draw_xoffset)
 107 #define ED_SETTINGS_TABS_YOFFSET        (editor.settings.tabs.draw_yoffset)
 108
 109 #define ED_LEVEL_TABS_XSTART            (ED_SETTINGS_LEVEL_TABS_X)
 110 #define ED_LEVEL_TABS_YSTART            (ED_SETTINGS_LEVEL_TABS_Y)
 111 #define ED_LEVEL_SETTINGS_XSTART        (ED_SETTINGS_LEVEL_TABS_X +     \
 112                                          ED_SETTINGS_TABS_XOFFSET)
 113 #define ED_LEVEL_SETTINGS_YSTART        (ED_SETTINGS_LEVEL_TABS_Y +     \
 114                                          ED_TABBUTTON_YSIZE +           \
 115                                          ED_GADGET_TINY_DISTANCE +      \
 116                                          ED_TAB_BAR_HEIGHT +            \
 117                                          ED_SETTINGS_TABS_YOFFSET +     \
 118                                          getFontHeight(FONT_TEXT_1) +   \
 119                                          ED_GADGET_TEXT_DISTANCE)
 120 #define ED_ELEMENT_TABS_XSTART          (ED_SETTINGS_ELEMENT_TABS_X)
 121 #define ED_ELEMENT_TABS_YSTART          (ED_SETTINGS_ELEMENT_TABS_Y)
 122 #define ED_ELEMENT_SETTINGS_XSTART      (ED_SETTINGS_ELEMENT_TABS_X +   \
 123                                          ED_SETTINGS_TABS_XOFFSET)
 124 #define ED_ELEMENT_SETTINGS_YSTART      (ED_SETTINGS_ELEMENT_TABS_Y +   \
 125                                          ED_TABBUTTON_YSIZE +           \
 126                                          ED_GADGET_TINY_DISTANCE +      \
 127                                          ED_TAB_BAR_HEIGHT +            \
 128                                          ED_SETTINGS_TABS_YOFFSET)
 129
 130 #define ED_SETTINGS_XOFFSET             (ED_CHECKBUTTON_XSIZE +         \
 131                                          ED_GADGET_TEXT_DISTANCE)
 132 #define ED_SETTINGS_YOFFSET             (ED_CHECKBUTTON_YSIZE +         \
 133                                          ED_GADGET_LINE_DISTANCE)
 134
 135 #define ED_POS_RANGE                    (10000)
 136 #define ED_POS_LEVEL_TABS_FIRST         (1 * ED_POS_RANGE)
 137 #define ED_POS_LEVEL_TABS_LAST          (2 * ED_POS_RANGE - 1)
 138 #define ED_POS_LEVEL_SETTINGS_FIRST     (2 * ED_POS_RANGE)
 139 #define ED_POS_LEVEL_SETTINGS_LAST      (3 * ED_POS_RANGE - 1)
 140 #define ED_POS_ELEMENT_TABS_FIRST       (3 * ED_POS_RANGE)
 141 #define ED_POS_ELEMENT_TABS_LAST        (4 * ED_POS_RANGE - 1)
 142 #define ED_POS_ELEMENT_SETTINGS_FIRST   (4 * ED_POS_RANGE)
 143 #define ED_POS_ELEMENT_SETTINGS_LAST    (5 * ED_POS_RANGE - 1)
 144
 145 #define ED_LEVEL_TABS_XPOS(n)           (ED_POS_LEVEL_TABS_FIRST + (n))
 146 #define ED_LEVEL_TABS_YPOS(n)           (ED_POS_LEVEL_TABS_FIRST + (n))
 147
 148 #define ED_LEVEL_SETTINGS_XPOS(n)       (ED_POS_LEVEL_SETTINGS_FIRST + (n))
 149 #define ED_LEVEL_SETTINGS_YPOS(n)       (ED_POS_LEVEL_SETTINGS_FIRST + (n))
 150
 151 #define ED_ELEMENT_TABS_XPOS(n)         (ED_POS_ELEMENT_TABS_FIRST + (n))
 152 #define ED_ELEMENT_TABS_YPOS(n)         (ED_POS_ELEMENT_TABS_FIRST + (n))
 153
 154 #define ED_ELEMENT_SETTINGS_XPOS(n)     (ED_POS_ELEMENT_SETTINGS_FIRST + (n))
 155 #define ED_ELEMENT_SETTINGS_YPOS(n)     (ED_POS_ELEMENT_SETTINGS_FIRST + (n))
 156
 157 #define IS_POS_LEVEL_TABS(n)          ((n) >= ED_POS_LEVEL_TABS_FIRST && \
 158                                        (n) <= ED_POS_LEVEL_TABS_LAST)
 159 #define IS_POS_LEVEL_SETTINGS(n)      ((n) >= ED_POS_LEVEL_SETTINGS_FIRST && \
 160                                        (n) <= ED_POS_LEVEL_SETTINGS_LAST)
 161 #define IS_POS_ELEMENT_TABS(n)        ((n) >= ED_POS_ELEMENT_TABS_FIRST && \
 162                                        (n) <= ED_POS_ELEMENT_TABS_LAST)
 163 #define IS_POS_ELEMENT_SETTINGS(n)    ((n) >= ED_POS_ELEMENT_SETTINGS_FIRST && \
 164                                        (n) <= ED_POS_ELEMENT_SETTINGS_LAST)
 165
 166 #define ED_LEVEL_TABS_LINE(n)           ((n) - ED_POS_LEVEL_TABS_FIRST)
 167 #define ED_LEVEL_SETTINGS_LINE(n)       ((n) - ED_POS_LEVEL_SETTINGS_FIRST)
 168 #define ED_ELEMENT_TABS_LINE(n)         ((n) - ED_POS_ELEMENT_TABS_FIRST)
 169 #define ED_ELEMENT_SETTINGS_LINE(n)     ((n) - ED_POS_ELEMENT_SETTINGS_FIRST)
 170
 171 #define ED_LEVEL_TABS_X(n)              (ED_LEVEL_TABS_XSTART + \
 172                                          (n) * ED_SETTINGS_TABS_XOFFSET)
 173 #define ED_LEVEL_TABS_Y(n)              (ED_LEVEL_TABS_YSTART + \
 174                                          (n) * ED_SETTINGS_TABS_YOFFSET)
 175
 176 #define ED_LEVEL_SETTINGS_X(n)          (ED_LEVEL_SETTINGS_XSTART +     \
 177                                          (n) * ED_SETTINGS_XOFFSET)
 178 #define ED_LEVEL_SETTINGS_Y(n)          (ED_LEVEL_SETTINGS_YSTART +     \
 179                                          (n) * ED_SETTINGS_YOFFSET)
 180
 181 #define ED_ELEMENT_TABS_X(n)            (ED_ELEMENT_TABS_XSTART +       \
 182                                          (n) * ED_SETTINGS_TABS_XOFFSET)
 183 #define ED_ELEMENT_TABS_Y(n)            (ED_ELEMENT_TABS_YSTART +       \
 184                                          (n) * ED_SETTINGS_TABS_YOFFSET)
 185
 186 #define ED_ELEMENT_SETTINGS_X(n)        (ED_ELEMENT_SETTINGS_XSTART +   \
 187                                          (n) * ED_SETTINGS_XOFFSET)
 188 #define ED_ELEMENT_SETTINGS_Y(n)        (ED_ELEMENT_SETTINGS_YSTART +   \
 189                                          (n) * ED_SETTINGS_YOFFSET)
 190
 191 #define ED_POS_TO_LEVEL_TABS_X(n)       \
 192   (ED_LEVEL_TABS_X(ED_LEVEL_TABS_LINE(n)))
 193 #define ED_POS_TO_LEVEL_TABS_Y(n)       \
 194   (ED_LEVEL_TABS_Y(ED_LEVEL_TABS_LINE(n)))
 195
 196 #define ED_POS_TO_LEVEL_SETTINGS_X(n)   \
 197   (ED_LEVEL_SETTINGS_X(ED_LEVEL_SETTINGS_LINE(n)))
 198 #define ED_POS_TO_LEVEL_SETTINGS_Y(n)   \
 199   (ED_LEVEL_SETTINGS_Y(ED_LEVEL_SETTINGS_LINE(n)))
 200
 201 #define ED_POS_TO_ELEMENT_TABS_X(n)     \
 202   (ED_ELEMENT_TABS_X(ED_ELEMENT_TABS_LINE(n)))
 203 #define ED_POS_TO_ELEMENT_TABS_Y(n)     \
 204   (ED_ELEMENT_TABS_Y(ED_ELEMENT_TABS_LINE(n)))
 205
 206 #define ED_POS_TO_ELEMENT_SETTINGS_X(n) \
 207   (ED_ELEMENT_SETTINGS_X(ED_ELEMENT_SETTINGS_LINE(n)))
 208 #define ED_POS_TO_ELEMENT_SETTINGS_Y(n) \
 209   (ED_ELEMENT_SETTINGS_Y(ED_ELEMENT_SETTINGS_LINE(n)))
 210
 211 #define ED_SETTINGS_X(n)                (IS_POS_LEVEL_TABS(n) ? \
 212                                          ED_POS_TO_LEVEL_TABS_X(n) : \
 213                                          IS_POS_LEVEL_SETTINGS(n) ?     \
 214                                          ED_POS_TO_LEVEL_SETTINGS_X(n) : \
 215                                          IS_POS_ELEMENT_TABS(n) ?       \
 216                                          ED_POS_TO_ELEMENT_TABS_X(n) : \
 217                                          IS_POS_ELEMENT_SETTINGS(n) ?   \
 218                                          ED_POS_TO_ELEMENT_SETTINGS_X(n) : (n))
 219 #define ED_SETTINGS_Y(n)                (IS_POS_LEVEL_TABS(n) ? \
 220                                          ED_POS_TO_LEVEL_TABS_Y(n) : \
 221                                          IS_POS_LEVEL_SETTINGS(n) ?     \
 222                                          ED_POS_TO_LEVEL_SETTINGS_Y(n) : \
 223                                          IS_POS_ELEMENT_TABS(n) ?       \
 224                                          ED_POS_TO_ELEMENT_TABS_Y(n) : \
 225                                          IS_POS_ELEMENT_SETTINGS(n) ?   \
 226                                          ED_POS_TO_ELEMENT_SETTINGS_Y(n) : (n))
 227
 228 #define ED_SETTINGS_XOFF(n)             (5 * ((n) % 4) *                \
 229                                          ED_DRAWINGAREA_TILE_SIZE)
 230 #define ED_SETTINGS_YOFF(n)             (5 * ((n) / 4) *                \
 231                                          ED_DRAWINGAREA_TILE_SIZE)
 232
 233 #define ED_AREA_XOFFSET_1(n)            ((n) != 0 ?                     \
 234                                          ED_DRAWINGAREA_BORDER_SIZE : 0)
 235 #define ED_AREA_YOFFSET_1(n)            ((n) != 0 ?                     \
 236                                          (ED_CHECKBUTTON_YSIZE -        \
 237                                           ED_DRAWINGAREA_TILE_SIZE) / 2 : 0)
 238
 239 #define ED_AREA_XOFFSET_2(n)      (0)
 240 #define ED_AREA_YOFFSET_2(n)      ((n) == 3 ?                   \
 241                                    ((n) - 1) * ED_DRAWINGAREA_TILE_SIZE / 2 : 0)
 242
 243 #define ED_AREA_SETTINGS_X(i)      (ED_SETTINGS_X((i).x) +              \
 244                                     ED_SETTINGS_XOFF((i).xoffset) +     \
 245                                     ED_AREA_XOFFSET_1((i).x) -          \
 246                                     ED_AREA_XOFFSET_2((i).area_xsize))
 247 #define ED_AREA_SETTINGS_Y(i)      (ED_SETTINGS_Y((i).y) +              \
 248                                     ED_SETTINGS_YOFF((i).yoffset) +     \
 249                                     ED_AREA_YOFFSET_1((i).y) -          \
 250                                     ED_AREA_YOFFSET_2((i).area_ysize))
 251
 252 /* values for element content drawing areas */
 253 #define ED_AREA_1X1_LSETTINGS_XPOS(n)   ED_LEVEL_SETTINGS_XPOS(n)
 254 #define ED_AREA_1X1_LSETTINGS_YPOS(n)   ED_LEVEL_SETTINGS_YPOS(n)
 255 #define ED_AREA_1X1_LSETTINGS_XOFF      (0)
 256 #define ED_AREA_1X1_LSETTINGS_YOFF      (0)
 257
 258 #define ED_AREA_1X1_SETTINGS_XPOS(n)    ED_ELEMENT_SETTINGS_XPOS(n)
 259 #define ED_AREA_1X1_SETTINGS_YPOS(n)    ED_ELEMENT_SETTINGS_YPOS(n)
 260 #define ED_AREA_1X1_SETTINGS_XOFF       (0)
 261 #define ED_AREA_1X1_SETTINGS_YOFF       (0)
 262
 263 #define ED_AREA_3X3_SETTINGS_XPOS(n)    ED_ELEMENT_SETTINGS_XPOS(n)
 264 #define ED_AREA_3X3_SETTINGS_YPOS(n)    ED_ELEMENT_SETTINGS_YPOS(n)
 265 #define ED_AREA_3X3_SETTINGS_XOFF       (0)
 266 #define ED_AREA_3X3_SETTINGS_YOFF       (0)
 267
 268 /* element content */
 269 #define ED_AREA_ELEMENT_CONTENT_XOFF(n) (n)
 270 #define ED_AREA_ELEMENT_CONTENT_YOFF(n) (n)
 271
 272 /* yamyam content */
 273 #define ED_XPOS_YAM                     0
 274 #define ED_YPOS_YAM                     5
 275 #define ED_AREA_YAMYAM_CONTENT_XPOS     ED_ELEMENT_SETTINGS_XPOS(ED_XPOS_YAM)
 276 #define ED_AREA_YAMYAM_CONTENT_YPOS     ED_ELEMENT_SETTINGS_YPOS(ED_YPOS_YAM)
 277 #define ED_AREA_YAMYAM_CONTENT_XOFF(n)  ED_AREA_ELEMENT_CONTENT_XOFF(n)
 278 #define ED_AREA_YAMYAM_CONTENT_YOFF(n)  ED_AREA_ELEMENT_CONTENT_YOFF(n)
 279 #define ED_AREA_YAMYAM_CONTENT_X(n)     (ED_ELEMENT_SETTINGS_X(ED_XPOS_YAM) + \
 280                                          ED_SETTINGS_XOFF(n))
 281 #define ED_AREA_YAMYAM_CONTENT_Y(n)     (ED_ELEMENT_SETTINGS_Y(ED_YPOS_YAM) + \
 282                                          ED_SETTINGS_YOFF(n) +          \
 283                                          ED_AREA_YOFFSET_1(ED_YPOS_YAM) - \
 284                                          ED_AREA_YOFFSET_2(3))
 285
 286 /* magic ball content */
 287 #define ED_XPOS_BALL                    0
 288 #define ED_YPOS_BALL                    6
 289 #define ED_AREA_MAGIC_BALL_CONTENT_XPOS ED_ELEMENT_SETTINGS_XPOS(ED_XPOS_BALL)
 290 #define ED_AREA_MAGIC_BALL_CONTENT_YPOS ED_ELEMENT_SETTINGS_YPOS(ED_YPOS_BALL)
 291 #define ED_AREA_MAGIC_BALL_CONTENT_XOFF(n) ED_AREA_ELEMENT_CONTENT_XOFF(n)
 292 #define ED_AREA_MAGIC_BALL_CONTENT_YOFF(n) ED_AREA_ELEMENT_CONTENT_YOFF(n)
 293 #define ED_AREA_MAGIC_BALL_CONTENT_X(n) (ED_ELEMENT_SETTINGS_X(ED_XPOS_BALL) + \
 294                                          ED_SETTINGS_XOFF(n))
 295 #define ED_AREA_MAGIC_BALL_CONTENT_Y(n) (ED_ELEMENT_SETTINGS_Y(ED_YPOS_BALL) + \
 296                                          ED_SETTINGS_YOFF(n) +          \
 297                                          ED_AREA_YOFFSET_1(ED_YPOS_BALL) - \
 298                                          ED_AREA_YOFFSET_2(3))
 299
 300 /* values for scrolling gadgets for drawing area */
 301 #define ED_SCROLLBUTTON_XSIZE           (graphic_info[IMG_EDITOR_PLAYFIELD_SCROLLBAR].width)
 302 #define ED_SCROLLBUTTON_YSIZE           (graphic_info[IMG_EDITOR_PLAYFIELD_SCROLLBAR].height)
 303
 304 #define ED_SCROLL_UP_XPOS               (SXSIZE - ED_SCROLLBUTTON_XSIZE)
 305 #define ED_SCROLL_UP_YPOS               (0)
 306 #define ED_SCROLL_DOWN_XPOS             ED_SCROLL_UP_XPOS
 307 #define ED_SCROLL_DOWN_YPOS             (SYSIZE - 3 * ED_SCROLLBUTTON_YSIZE)
 308 #define ED_SCROLL_LEFT_XPOS             (0)
 309 #define ED_SCROLL_LEFT_YPOS             (SYSIZE - 2 * ED_SCROLLBUTTON_YSIZE)
 310 #define ED_SCROLL_RIGHT_XPOS            (SXSIZE - 2 * ED_SCROLLBUTTON_XSIZE)
 311 #define ED_SCROLL_RIGHT_YPOS            ED_SCROLL_LEFT_YPOS
 312 #define ED_SCROLL_HORIZONTAL_XPOS       (ED_SCROLL_LEFT_XPOS +          \
 313                                          ED_SCROLLBUTTON_XSIZE)
 314 #define ED_SCROLL_HORIZONTAL_YPOS       ED_SCROLL_LEFT_YPOS
 315 #define ED_SCROLL_HORIZONTAL_XSIZE      (SXSIZE - 3 * ED_SCROLLBUTTON_XSIZE)
 316 #define ED_SCROLL_HORIZONTAL_YSIZE      ED_SCROLLBUTTON_YSIZE
 317 #define ED_SCROLL_VERTICAL_XPOS         ED_SCROLL_UP_XPOS
 318 #define ED_SCROLL_VERTICAL_YPOS         (ED_SCROLL_UP_YPOS +            \
 319                                          ED_SCROLLBUTTON_YSIZE)
 320 #define ED_SCROLL_VERTICAL_XSIZE        ED_SCROLLBUTTON_XSIZE
 321 #define ED_SCROLL_VERTICAL_YSIZE        (SYSIZE - 4 * ED_SCROLLBUTTON_YSIZE)
 322
 323 /* values for scrolling gadgets for element list */
 324 #define ED_SCROLLBUTTON2_XSIZE          (graphic_info[IMG_EDITOR_PALETTE_SCROLL_UP].width)
 325 #define ED_SCROLLBUTTON2_YSIZE          (graphic_info[IMG_EDITOR_PALETTE_SCROLL_UP].height)
 326
 327 #define ED_SCROLL2_UP_XPOS              (ED_ELEMENTLIST_XPOS +          \
 328                                          ED_ELEMENTLIST_BUTTONS_HORIZ * \
 329                                          ED_ELEMENTLIST_XSIZE)
 330 #define ED_SCROLL2_UP_YPOS              ED_ELEMENTLIST_YPOS
 331 #define ED_SCROLL2_DOWN_XPOS            ED_SCROLL2_UP_XPOS
 332 #define ED_SCROLL2_DOWN_YPOS            (ED_SCROLL2_UP_YPOS +           \
 333                                          ED_ELEMENTLIST_BUTTONS_VERT *  \
 334                                          ED_ELEMENTLIST_YSIZE -         \
 335                                          ED_SCROLLBUTTON2_YSIZE)
 336 #define ED_SCROLL2_VERTICAL_XPOS        ED_SCROLL2_UP_XPOS
 337 #define ED_SCROLL2_VERTICAL_YPOS        (ED_SCROLL2_UP_YPOS +           \
 338                                          ED_SCROLLBUTTON2_YSIZE)
 339 #define ED_SCROLL2_VERTICAL_XSIZE       ED_SCROLLBUTTON2_XSIZE
 340 #define ED_SCROLL2_VERTICAL_YSIZE       (ED_ELEMENTLIST_BUTTONS_VERT *  \
 341                                          ED_ELEMENTLIST_YSIZE -         \
 342                                          2 * ED_SCROLLBUTTON2_YSIZE)
 343
 344 /* values for ClearEditorGadgetInfoText() and HandleEditorGadgetInfoText() */
 345 #define INFOTEXT_FONT           FONT_TEXT_2
 346 #define INFOTEXT_XSIZE          SXSIZE
 347 #define INFOTEXT_YSIZE          getFontHeight(INFOTEXT_FONT)
 348 #define INFOTEXT_YSIZE_FULL     (INFOTEXT_YSIZE + ED_GADGET_SMALL_DISTANCE)
 349 #define INFOTEXT_XPOS           SX
 350 #define INFOTEXT_YPOS           (SY + SYSIZE - INFOTEXT_YSIZE)
 351
 352
 353 /*
 354   -----------------------------------------------------------------------------
 355   editor gadget definitions
 356   -----------------------------------------------------------------------------
 357 */
 358
 359 /* drawing toolbox buttons */
 360 #define GADGET_ID_NONE                  -1
 361 #define GADGET_ID_TOOLBOX_FIRST         0
 362
 363 #define GADGET_ID_SINGLE_ITEMS          (GADGET_ID_TOOLBOX_FIRST + 0)
 364 #define GADGET_ID_CONNECTED_ITEMS       (GADGET_ID_TOOLBOX_FIRST + 1)
 365 #define GADGET_ID_LINE                  (GADGET_ID_TOOLBOX_FIRST + 2)
 366 #define GADGET_ID_ARC                   (GADGET_ID_TOOLBOX_FIRST + 3)
 367 #define GADGET_ID_RECTANGLE             (GADGET_ID_TOOLBOX_FIRST + 4)
 368 #define GADGET_ID_FILLED_BOX            (GADGET_ID_TOOLBOX_FIRST + 5)
 369 #define GADGET_ID_WRAP_UP               (GADGET_ID_TOOLBOX_FIRST + 6)
 370 #define GADGET_ID_TEXT                  (GADGET_ID_TOOLBOX_FIRST + 7)
 371 #define GADGET_ID_FLOOD_FILL            (GADGET_ID_TOOLBOX_FIRST + 8)
 372 #define GADGET_ID_WRAP_LEFT             (GADGET_ID_TOOLBOX_FIRST + 9)
 373 #define GADGET_ID_ZOOM                  (GADGET_ID_TOOLBOX_FIRST + 10)
 374 #define GADGET_ID_WRAP_RIGHT            (GADGET_ID_TOOLBOX_FIRST + 11)
 375 #define GADGET_ID_RANDOM_PLACEMENT      (GADGET_ID_TOOLBOX_FIRST + 12)
 376 #define GADGET_ID_GRAB_BRUSH            (GADGET_ID_TOOLBOX_FIRST + 13)
 377 #define GADGET_ID_WRAP_DOWN             (GADGET_ID_TOOLBOX_FIRST + 14)
 378 #define GADGET_ID_PICK_ELEMENT          (GADGET_ID_TOOLBOX_FIRST + 15)
 379
 380 #define GADGET_ID_UNDO                  (GADGET_ID_TOOLBOX_FIRST + 16)
 381 #define GADGET_ID_INFO                  (GADGET_ID_TOOLBOX_FIRST + 17)
 382 #define GADGET_ID_SAVE                  (GADGET_ID_TOOLBOX_FIRST + 18)
 383 #define GADGET_ID_CLEAR                 (GADGET_ID_TOOLBOX_FIRST + 19)
 384 #define GADGET_ID_TEST                  (GADGET_ID_TOOLBOX_FIRST + 20)
 385 #define GADGET_ID_EXIT                  (GADGET_ID_TOOLBOX_FIRST + 21)
 386
 387 #define GADGET_ID_CUSTOM_COPY_FROM      (GADGET_ID_TOOLBOX_FIRST + 22)
 388 #define GADGET_ID_CUSTOM_COPY_TO        (GADGET_ID_TOOLBOX_FIRST + 23)
 389 #define GADGET_ID_CUSTOM_EXCHANGE       (GADGET_ID_TOOLBOX_FIRST + 24)
 390 #define GADGET_ID_CUSTOM_COPY           (GADGET_ID_TOOLBOX_FIRST + 25)
 391 #define GADGET_ID_CUSTOM_PASTE          (GADGET_ID_TOOLBOX_FIRST + 26)
 392
 393 #define GADGET_ID_PROPERTIES            (GADGET_ID_TOOLBOX_FIRST + 27)
 394 #define GADGET_ID_ELEMENT_LEFT          (GADGET_ID_TOOLBOX_FIRST + 28)
 395 #define GADGET_ID_ELEMENT_MIDDLE        (GADGET_ID_TOOLBOX_FIRST + 29)
 396 #define GADGET_ID_ELEMENT_RIGHT         (GADGET_ID_TOOLBOX_FIRST + 30)
 397 #define GADGET_ID_PALETTE               (GADGET_ID_TOOLBOX_FIRST + 31)
 398
 399 /* counter gadget identifiers */
 400 #define GADGET_ID_COUNTER_FIRST         (GADGET_ID_TOOLBOX_FIRST + 32)
 401
 402 #define GADGET_ID_SELECT_LEVEL_DOWN     (GADGET_ID_COUNTER_FIRST + 0)
 403 #define GADGET_ID_SELECT_LEVEL_TEXT     (GADGET_ID_COUNTER_FIRST + 1)
 404 #define GADGET_ID_SELECT_LEVEL_UP       (GADGET_ID_COUNTER_FIRST + 2)
 405 #define GADGET_ID_LEVEL_XSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 3)
 406 #define GADGET_ID_LEVEL_XSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 4)
 407 #define GADGET_ID_LEVEL_XSIZE_UP        (GADGET_ID_COUNTER_FIRST + 5)
 408 #define GADGET_ID_LEVEL_YSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 6)
 409 #define GADGET_ID_LEVEL_YSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 7)
 410 #define GADGET_ID_LEVEL_YSIZE_UP        (GADGET_ID_COUNTER_FIRST + 8)
 411 #define GADGET_ID_LEVEL_RANDOM_DOWN     (GADGET_ID_COUNTER_FIRST + 9)
 412 #define GADGET_ID_LEVEL_RANDOM_TEXT     (GADGET_ID_COUNTER_FIRST + 10)
 413 #define GADGET_ID_LEVEL_RANDOM_UP       (GADGET_ID_COUNTER_FIRST + 11)
 414 #define GADGET_ID_LEVEL_GEMSLIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 12)
 415 #define GADGET_ID_LEVEL_GEMSLIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 13)
 416 #define GADGET_ID_LEVEL_GEMSLIMIT_UP    (GADGET_ID_COUNTER_FIRST + 14)
 417 #define GADGET_ID_LEVEL_TIMELIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 15)
 418 #define GADGET_ID_LEVEL_TIMELIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 16)
 419 #define GADGET_ID_LEVEL_TIMELIMIT_UP    (GADGET_ID_COUNTER_FIRST + 17)
 420 #define GADGET_ID_LEVEL_TIMESCORE_DOWN  (GADGET_ID_COUNTER_FIRST + 18)
 421 #define GADGET_ID_LEVEL_TIMESCORE_TEXT  (GADGET_ID_COUNTER_FIRST + 19)
 422 #define GADGET_ID_LEVEL_TIMESCORE_UP    (GADGET_ID_COUNTER_FIRST + 20)
 423 #define GADGET_ID_LEVEL_RANDOM_SEED_DOWN (GADGET_ID_COUNTER_FIRST + 21)
 424 #define GADGET_ID_LEVEL_RANDOM_SEED_TEXT (GADGET_ID_COUNTER_FIRST + 22)
 425 #define GADGET_ID_LEVEL_RANDOM_SEED_UP  (GADGET_ID_COUNTER_FIRST + 23)
 426 #define GADGET_ID_ELEMENT_VALUE1_DOWN   (GADGET_ID_COUNTER_FIRST + 24)
 427 #define GADGET_ID_ELEMENT_VALUE1_TEXT   (GADGET_ID_COUNTER_FIRST + 25)
 428 #define GADGET_ID_ELEMENT_VALUE1_UP     (GADGET_ID_COUNTER_FIRST + 26)
 429 #define GADGET_ID_ELEMENT_VALUE2_DOWN   (GADGET_ID_COUNTER_FIRST + 27)
 430 #define GADGET_ID_ELEMENT_VALUE2_TEXT   (GADGET_ID_COUNTER_FIRST + 28)
 431 #define GADGET_ID_ELEMENT_VALUE2_UP     (GADGET_ID_COUNTER_FIRST + 29)
 432 #define GADGET_ID_ELEMENT_VALUE3_DOWN   (GADGET_ID_COUNTER_FIRST + 30)
 433 #define GADGET_ID_ELEMENT_VALUE3_TEXT   (GADGET_ID_COUNTER_FIRST + 31)
 434 #define GADGET_ID_ELEMENT_VALUE3_UP     (GADGET_ID_COUNTER_FIRST + 32)
 435 #define GADGET_ID_ELEMENT_VALUE4_DOWN   (GADGET_ID_COUNTER_FIRST + 33)
 436 #define GADGET_ID_ELEMENT_VALUE4_TEXT   (GADGET_ID_COUNTER_FIRST + 34)
 437 #define GADGET_ID_ELEMENT_VALUE4_UP     (GADGET_ID_COUNTER_FIRST + 35)
 438 #define GADGET_ID_YAMYAM_CONTENT_DOWN   (GADGET_ID_COUNTER_FIRST + 36)
 439 #define GADGET_ID_YAMYAM_CONTENT_TEXT   (GADGET_ID_COUNTER_FIRST + 37)
 440 #define GADGET_ID_YAMYAM_CONTENT_UP     (GADGET_ID_COUNTER_FIRST + 38)
 441 #define GADGET_ID_BALL_CONTENT_DOWN     (GADGET_ID_COUNTER_FIRST + 39)
 442 #define GADGET_ID_BALL_CONTENT_TEXT     (GADGET_ID_COUNTER_FIRST + 40)
 443 #define GADGET_ID_BALL_CONTENT_UP       (GADGET_ID_COUNTER_FIRST + 41)
 444 #define GADGET_ID_ANDROID_CONTENT_DOWN  (GADGET_ID_COUNTER_FIRST + 42)
 445 #define GADGET_ID_ANDROID_CONTENT_TEXT  (GADGET_ID_COUNTER_FIRST + 43)
 446 #define GADGET_ID_ANDROID_CONTENT_UP    (GADGET_ID_COUNTER_FIRST + 44)
 447 #define GADGET_ID_ENVELOPE_XSIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 45)
 448 #define GADGET_ID_ENVELOPE_XSIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 46)
 449 #define GADGET_ID_ENVELOPE_XSIZE_UP     (GADGET_ID_COUNTER_FIRST + 47)
 450 #define GADGET_ID_ENVELOPE_YSIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 48)
 451 #define GADGET_ID_ENVELOPE_YSIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 49)
 452 #define GADGET_ID_ENVELOPE_YSIZE_UP     (GADGET_ID_COUNTER_FIRST + 50)
 453 #define GADGET_ID_INVENTORY_SIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 51)
 454 #define GADGET_ID_INVENTORY_SIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 52)
 455 #define GADGET_ID_INVENTORY_SIZE_UP     (GADGET_ID_COUNTER_FIRST + 53)
 456 #define GADGET_ID_CUSTOM_SCORE_DOWN     (GADGET_ID_COUNTER_FIRST + 54)
 457 #define GADGET_ID_CUSTOM_SCORE_TEXT     (GADGET_ID_COUNTER_FIRST + 55)
 458 #define GADGET_ID_CUSTOM_SCORE_UP       (GADGET_ID_COUNTER_FIRST + 56)
 459 #define GADGET_ID_CUSTOM_GEMCOUNT_DOWN  (GADGET_ID_COUNTER_FIRST + 57)
 460 #define GADGET_ID_CUSTOM_GEMCOUNT_TEXT  (GADGET_ID_COUNTER_FIRST + 58)
 461 #define GADGET_ID_CUSTOM_GEMCOUNT_UP    (GADGET_ID_COUNTER_FIRST + 59)
 462 #define GADGET_ID_CUSTOM_VALUE_FIX_DOWN (GADGET_ID_COUNTER_FIRST + 60)
 463 #define GADGET_ID_CUSTOM_VALUE_FIX_TEXT (GADGET_ID_COUNTER_FIRST + 61)
 464 #define GADGET_ID_CUSTOM_VALUE_FIX_UP   (GADGET_ID_COUNTER_FIRST + 62)
 465 #define GADGET_ID_CUSTOM_VALUE_RND_DOWN (GADGET_ID_COUNTER_FIRST + 63)
 466 #define GADGET_ID_CUSTOM_VALUE_RND_TEXT (GADGET_ID_COUNTER_FIRST + 64)
 467 #define GADGET_ID_CUSTOM_VALUE_RND_UP   (GADGET_ID_COUNTER_FIRST + 65)
 468 #define GADGET_ID_PUSH_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 66)
 469 #define GADGET_ID_PUSH_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 67)
 470 #define GADGET_ID_PUSH_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 68)
 471 #define GADGET_ID_PUSH_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 69)
 472 #define GADGET_ID_PUSH_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 70)
 473 #define GADGET_ID_PUSH_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 71)
 474 #define GADGET_ID_DROP_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 72)
 475 #define GADGET_ID_DROP_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 73)
 476 #define GADGET_ID_DROP_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 74)
 477 #define GADGET_ID_DROP_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 75)
 478 #define GADGET_ID_DROP_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 76)
 479 #define GADGET_ID_DROP_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 77)
 480 #define GADGET_ID_MOVE_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 78)
 481 #define GADGET_ID_MOVE_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 79)
 482 #define GADGET_ID_MOVE_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 80)
 483 #define GADGET_ID_MOVE_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 81)
 484 #define GADGET_ID_MOVE_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 82)
 485 #define GADGET_ID_MOVE_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 83)
 486 #define GADGET_ID_EXPLOSION_DELAY_DOWN  (GADGET_ID_COUNTER_FIRST + 84)
 487 #define GADGET_ID_EXPLOSION_DELAY_TEXT  (GADGET_ID_COUNTER_FIRST + 85)
 488 #define GADGET_ID_EXPLOSION_DELAY_UP    (GADGET_ID_COUNTER_FIRST + 86)
 489 #define GADGET_ID_IGNITION_DELAY_DOWN   (GADGET_ID_COUNTER_FIRST + 87)
 490 #define GADGET_ID_IGNITION_DELAY_TEXT   (GADGET_ID_COUNTER_FIRST + 88)
 491 #define GADGET_ID_IGNITION_DELAY_UP     (GADGET_ID_COUNTER_FIRST + 89)
 492 #define GADGET_ID_CHANGE_DELAY_FIX_DOWN (GADGET_ID_COUNTER_FIRST + 90)
 493 #define GADGET_ID_CHANGE_DELAY_FIX_TEXT (GADGET_ID_COUNTER_FIRST + 91)
 494 #define GADGET_ID_CHANGE_DELAY_FIX_UP   (GADGET_ID_COUNTER_FIRST + 92)
 495 #define GADGET_ID_CHANGE_DELAY_RND_DOWN (GADGET_ID_COUNTER_FIRST + 93)
 496 #define GADGET_ID_CHANGE_DELAY_RND_TEXT (GADGET_ID_COUNTER_FIRST + 94)
 497 #define GADGET_ID_CHANGE_DELAY_RND_UP   (GADGET_ID_COUNTER_FIRST + 95)
 498 #define GADGET_ID_CHANGE_CONT_RND_DOWN  (GADGET_ID_COUNTER_FIRST + 96)
 499 #define GADGET_ID_CHANGE_CONT_RND_TEXT  (GADGET_ID_COUNTER_FIRST + 97)
 500 #define GADGET_ID_CHANGE_CONT_RND_UP    (GADGET_ID_COUNTER_FIRST + 98)
 501 #define GADGET_ID_GROUP_CONTENT_DOWN    (GADGET_ID_COUNTER_FIRST + 99)
 502 #define GADGET_ID_GROUP_CONTENT_TEXT    (GADGET_ID_COUNTER_FIRST + 100)
 503 #define GADGET_ID_GROUP_CONTENT_UP      (GADGET_ID_COUNTER_FIRST + 101)
 504
 505 /* drawing area identifiers */
 506 #define GADGET_ID_DRAWING_AREA_FIRST    (GADGET_ID_COUNTER_FIRST + 102)
 507
 508 #define GADGET_ID_DRAWING_LEVEL         (GADGET_ID_DRAWING_AREA_FIRST + 0)
 509 #define GADGET_ID_YAMYAM_CONTENT_0      (GADGET_ID_DRAWING_AREA_FIRST + 1)
 510 #define GADGET_ID_YAMYAM_CONTENT_1      (GADGET_ID_DRAWING_AREA_FIRST + 2)
 511 #define GADGET_ID_YAMYAM_CONTENT_2      (GADGET_ID_DRAWING_AREA_FIRST + 3)
 512 #define GADGET_ID_YAMYAM_CONTENT_3      (GADGET_ID_DRAWING_AREA_FIRST + 4)
 513 #define GADGET_ID_YAMYAM_CONTENT_4      (GADGET_ID_DRAWING_AREA_FIRST + 5)
 514 #define GADGET_ID_YAMYAM_CONTENT_5      (GADGET_ID_DRAWING_AREA_FIRST + 6)
 515 #define GADGET_ID_YAMYAM_CONTENT_6      (GADGET_ID_DRAWING_AREA_FIRST + 7)
 516 #define GADGET_ID_YAMYAM_CONTENT_7      (GADGET_ID_DRAWING_AREA_FIRST + 8)
 517 #define GADGET_ID_MAGIC_BALL_CONTENT_0  (GADGET_ID_DRAWING_AREA_FIRST + 9)
 518 #define GADGET_ID_MAGIC_BALL_CONTENT_1  (GADGET_ID_DRAWING_AREA_FIRST + 10)
 519 #define GADGET_ID_MAGIC_BALL_CONTENT_2  (GADGET_ID_DRAWING_AREA_FIRST + 11)
 520 #define GADGET_ID_MAGIC_BALL_CONTENT_3  (GADGET_ID_DRAWING_AREA_FIRST + 12)
 521 #define GADGET_ID_MAGIC_BALL_CONTENT_4  (GADGET_ID_DRAWING_AREA_FIRST + 13)
 522 #define GADGET_ID_MAGIC_BALL_CONTENT_5  (GADGET_ID_DRAWING_AREA_FIRST + 14)
 523 #define GADGET_ID_MAGIC_BALL_CONTENT_6  (GADGET_ID_DRAWING_AREA_FIRST + 15)
 524 #define GADGET_ID_MAGIC_BALL_CONTENT_7  (GADGET_ID_DRAWING_AREA_FIRST + 16)
 525 #define GADGET_ID_ANDROID_CONTENT       (GADGET_ID_DRAWING_AREA_FIRST + 17)
 526 #define GADGET_ID_AMOEBA_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 18)
 527 #define GADGET_ID_START_ELEMENT         (GADGET_ID_DRAWING_AREA_FIRST + 19)
 528 #define GADGET_ID_ARTWORK_ELEMENT       (GADGET_ID_DRAWING_AREA_FIRST + 20)
 529 #define GADGET_ID_EXPLOSION_ELEMENT     (GADGET_ID_DRAWING_AREA_FIRST + 21)
 530 #define GADGET_ID_INVENTORY_CONTENT     (GADGET_ID_DRAWING_AREA_FIRST + 22)
 531 #define GADGET_ID_CUSTOM_GRAPHIC        (GADGET_ID_DRAWING_AREA_FIRST + 23)
 532 #define GADGET_ID_CUSTOM_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 24)
 533 #define GADGET_ID_CUSTOM_MOVE_ENTER     (GADGET_ID_DRAWING_AREA_FIRST + 25)
 534 #define GADGET_ID_CUSTOM_MOVE_LEAVE     (GADGET_ID_DRAWING_AREA_FIRST + 26)
 535 #define GADGET_ID_CUSTOM_CHANGE_TARGET  (GADGET_ID_DRAWING_AREA_FIRST + 27)
 536 #define GADGET_ID_CUSTOM_CHANGE_CONTENT (GADGET_ID_DRAWING_AREA_FIRST + 28)
 537 #define GADGET_ID_CUSTOM_CHANGE_TRIGGER (GADGET_ID_DRAWING_AREA_FIRST + 29)
 538 #define GADGET_ID_CUSTOM_CHANGE_ACTION  (GADGET_ID_DRAWING_AREA_FIRST + 30)
 539 #define GADGET_ID_GROUP_CONTENT         (GADGET_ID_DRAWING_AREA_FIRST + 31)
 540 #define GADGET_ID_RANDOM_BACKGROUND     (GADGET_ID_DRAWING_AREA_FIRST + 32)
 541
 542 /* text input identifiers */
 543 #define GADGET_ID_TEXT_INPUT_FIRST      (GADGET_ID_DRAWING_AREA_FIRST + 33)
 544
 545 #define GADGET_ID_LEVEL_NAME            (GADGET_ID_TEXT_INPUT_FIRST + 0)
 546 #define GADGET_ID_LEVEL_AUTHOR          (GADGET_ID_TEXT_INPUT_FIRST + 1)
 547 #define GADGET_ID_ELEMENT_NAME          (GADGET_ID_TEXT_INPUT_FIRST + 2)
 548
 549 /* text area identifiers */
 550 #define GADGET_ID_TEXT_AREA_FIRST       (GADGET_ID_TEXT_INPUT_FIRST + 3)
 551
 552 #define GADGET_ID_ENVELOPE_INFO         (GADGET_ID_TEXT_AREA_FIRST + 0)
 553
 554 /* selectbox identifiers */
 555 #define GADGET_ID_SELECTBOX_FIRST       (GADGET_ID_TEXT_AREA_FIRST + 1)
 556
 557 #define GADGET_ID_TIME_OR_STEPS         (GADGET_ID_SELECTBOX_FIRST + 0)
 558 #define GADGET_ID_GAME_ENGINE_TYPE      (GADGET_ID_SELECTBOX_FIRST + 1)
 559 #define GADGET_ID_WIND_DIRECTION        (GADGET_ID_SELECTBOX_FIRST + 2)
 560 #define GADGET_ID_PLAYER_SPEED          (GADGET_ID_SELECTBOX_FIRST + 3)
 561 #define GADGET_ID_CUSTOM_WALK_TO_ACTION (GADGET_ID_SELECTBOX_FIRST + 4)
 562 #define GADGET_ID_CUSTOM_EXPLOSION_TYPE (GADGET_ID_SELECTBOX_FIRST + 5)
 563 #define GADGET_ID_CUSTOM_DEADLINESS     (GADGET_ID_SELECTBOX_FIRST + 6)
 564 #define GADGET_ID_CUSTOM_MOVE_PATTERN   (GADGET_ID_SELECTBOX_FIRST + 7)
 565 #define GADGET_ID_CUSTOM_MOVE_DIRECTION (GADGET_ID_SELECTBOX_FIRST + 8)
 566 #define GADGET_ID_CUSTOM_MOVE_STEPSIZE  (GADGET_ID_SELECTBOX_FIRST + 9)
 567 #define GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE (GADGET_ID_SELECTBOX_FIRST + 10)
 568 #define GADGET_ID_CUSTOM_SMASH_TARGETS  (GADGET_ID_SELECTBOX_FIRST + 11)
 569 #define GADGET_ID_CUSTOM_SLIPPERY_TYPE  (GADGET_ID_SELECTBOX_FIRST + 12)
 570 #define GADGET_ID_CUSTOM_ACCESS_TYPE    (GADGET_ID_SELECTBOX_FIRST + 13)
 571 #define GADGET_ID_CUSTOM_ACCESS_LAYER   (GADGET_ID_SELECTBOX_FIRST + 14)
 572 #define GADGET_ID_CUSTOM_ACCESS_PROTECTED (GADGET_ID_SELECTBOX_FIRST + 15)
 573 #define GADGET_ID_CUSTOM_ACCESS_DIRECTION (GADGET_ID_SELECTBOX_FIRST + 16)
 574 #define GADGET_ID_CHANGE_TIME_UNITS     (GADGET_ID_SELECTBOX_FIRST + 17)
 575 #define GADGET_ID_CHANGE_DIRECT_ACTION  (GADGET_ID_SELECTBOX_FIRST + 18)
 576 #define GADGET_ID_CHANGE_OTHER_ACTION   (GADGET_ID_SELECTBOX_FIRST + 19)
 577 #define GADGET_ID_CHANGE_SIDE           (GADGET_ID_SELECTBOX_FIRST + 20)
 578 #define GADGET_ID_CHANGE_PLAYER         (GADGET_ID_SELECTBOX_FIRST + 21)
 579 #define GADGET_ID_CHANGE_PAGE           (GADGET_ID_SELECTBOX_FIRST + 22)
 580 #define GADGET_ID_CHANGE_REPLACE_WHEN   (GADGET_ID_SELECTBOX_FIRST + 23)
 581 #define GADGET_ID_ACTION_TYPE           (GADGET_ID_SELECTBOX_FIRST + 24)
 582 #define GADGET_ID_ACTION_MODE           (GADGET_ID_SELECTBOX_FIRST + 25)
 583 #define GADGET_ID_ACTION_ARG            (GADGET_ID_SELECTBOX_FIRST + 26)
 584 #define GADGET_ID_SELECT_CHANGE_PAGE    (GADGET_ID_SELECTBOX_FIRST + 27)
 585 #define GADGET_ID_GROUP_CHOICE_MODE     (GADGET_ID_SELECTBOX_FIRST + 28)
 586
 587 /* textbutton identifiers */
 588 #define GADGET_ID_TEXTBUTTON_FIRST      (GADGET_ID_SELECTBOX_FIRST + 29)
 589
 590 #define GADGET_ID_LEVELINFO_LEVEL       (GADGET_ID_TEXTBUTTON_FIRST + 0)
 591 #define GADGET_ID_LEVELINFO_EDITOR      (GADGET_ID_TEXTBUTTON_FIRST + 1)
 592 #define GADGET_ID_PROPERTIES_INFO       (GADGET_ID_TEXTBUTTON_FIRST + 2)
 593 #define GADGET_ID_PROPERTIES_CONFIG     (GADGET_ID_TEXTBUTTON_FIRST + 3)
 594 #define GADGET_ID_PROPERTIES_CONFIG_1   (GADGET_ID_TEXTBUTTON_FIRST + 4)
 595 #define GADGET_ID_PROPERTIES_CONFIG_2   (GADGET_ID_TEXTBUTTON_FIRST + 5)
 596 #define GADGET_ID_PROPERTIES_CHANGE     (GADGET_ID_TEXTBUTTON_FIRST + 6)
 597 #define GADGET_ID_SAVE_AS_TEMPLATE_1    (GADGET_ID_TEXTBUTTON_FIRST + 7)
 598 #define GADGET_ID_SAVE_AS_TEMPLATE_2    (GADGET_ID_TEXTBUTTON_FIRST + 8)
 599 #define GADGET_ID_ADD_CHANGE_PAGE       (GADGET_ID_TEXTBUTTON_FIRST + 9)
 600 #define GADGET_ID_DEL_CHANGE_PAGE       (GADGET_ID_TEXTBUTTON_FIRST + 10)
 601
 602 /* graphicbutton identifiers */
 603 #define GADGET_ID_GRAPHICBUTTON_FIRST   (GADGET_ID_TEXTBUTTON_FIRST + 11)
 604
 605 #define GADGET_ID_PREV_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 0)
 606 #define GADGET_ID_NEXT_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 1)
 607 #define GADGET_ID_COPY_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 2)
 608 #define GADGET_ID_PASTE_CHANGE_PAGE     (GADGET_ID_GRAPHICBUTTON_FIRST + 3)
 609
 610 /* gadgets for scrolling of drawing area */
 611 #define GADGET_ID_SCROLLING_FIRST       (GADGET_ID_GRAPHICBUTTON_FIRST + 4)
 612
 613 #define GADGET_ID_SCROLL_UP             (GADGET_ID_SCROLLING_FIRST + 0)
 614 #define GADGET_ID_SCROLL_DOWN           (GADGET_ID_SCROLLING_FIRST + 1)
 615 #define GADGET_ID_SCROLL_LEFT           (GADGET_ID_SCROLLING_FIRST + 2)
 616 #define GADGET_ID_SCROLL_RIGHT          (GADGET_ID_SCROLLING_FIRST + 3)
 617 #define GADGET_ID_SCROLL_HORIZONTAL     (GADGET_ID_SCROLLING_FIRST + 4)
 618 #define GADGET_ID_SCROLL_VERTICAL       (GADGET_ID_SCROLLING_FIRST + 5)
 619
 620 /* gadgets for scrolling element list */
 621 #define GADGET_ID_SCROLLING_LIST_FIRST  (GADGET_ID_SCROLLING_FIRST + 6)
 622
 623 #define GADGET_ID_SCROLL_LIST_UP        (GADGET_ID_SCROLLING_LIST_FIRST + 0)
 624 #define GADGET_ID_SCROLL_LIST_DOWN      (GADGET_ID_SCROLLING_LIST_FIRST + 1)
 625 #define GADGET_ID_SCROLL_LIST_VERTICAL  (GADGET_ID_SCROLLING_LIST_FIRST + 2)
 626
 627 /* checkbuttons/radiobuttons for level/element properties */
 628 #define GADGET_ID_CHECKBUTTON_FIRST     (GADGET_ID_SCROLLING_LIST_FIRST + 3)
 629
 630 #define GADGET_ID_AUTO_COUNT_GEMS       (GADGET_ID_CHECKBUTTON_FIRST + 0)
 631 #define GADGET_ID_RANDOM_PERCENTAGE     (GADGET_ID_CHECKBUTTON_FIRST + 1)
 632 #define GADGET_ID_RANDOM_QUANTITY       (GADGET_ID_CHECKBUTTON_FIRST + 2)
 633 #define GADGET_ID_RANDOM_RESTRICTED     (GADGET_ID_CHECKBUTTON_FIRST + 3)
 634 #define GADGET_ID_STICK_ELEMENT         (GADGET_ID_CHECKBUTTON_FIRST + 4)
 635 #define GADGET_ID_EM_SLIPPERY_GEMS      (GADGET_ID_CHECKBUTTON_FIRST + 5)
 636 #define GADGET_ID_EM_EXPLODES_BY_FIRE   (GADGET_ID_CHECKBUTTON_FIRST + 6)
 637 #define GADGET_ID_USE_SPRING_BUG        (GADGET_ID_CHECKBUTTON_FIRST + 7)
 638 #define GADGET_ID_USE_TIME_ORB_BUG      (GADGET_ID_CHECKBUTTON_FIRST + 8)
 639 #define GADGET_ID_RANDOM_BALL_CONTENT   (GADGET_ID_CHECKBUTTON_FIRST + 9)
 640 #define GADGET_ID_INITIAL_BALL_STATE    (GADGET_ID_CHECKBUTTON_FIRST + 10)
 641 #define GADGET_ID_GROW_INTO_DIGGABLE    (GADGET_ID_CHECKBUTTON_FIRST + 11)
 642 #define GADGET_ID_AUTO_EXIT_SOKOBAN     (GADGET_ID_CHECKBUTTON_FIRST + 12)
 643 #define GADGET_ID_CONTINUOUS_SNAPPING   (GADGET_ID_CHECKBUTTON_FIRST + 13)
 644 #define GADGET_ID_BLOCK_SNAP_FIELD      (GADGET_ID_CHECKBUTTON_FIRST + 14)
 645 #define GADGET_ID_BLOCK_LAST_FIELD      (GADGET_ID_CHECKBUTTON_FIRST + 15)
 646 #define GADGET_ID_SP_BLOCK_LAST_FIELD   (GADGET_ID_CHECKBUTTON_FIRST + 16)
 647 #define GADGET_ID_INSTANT_RELOCATION    (GADGET_ID_CHECKBUTTON_FIRST + 17)
 648 #define GADGET_ID_SHIFTED_RELOCATION    (GADGET_ID_CHECKBUTTON_FIRST + 18)
 649 #define GADGET_ID_LAZY_RELOCATION       (GADGET_ID_CHECKBUTTON_FIRST + 19)
 650 #define GADGET_ID_USE_START_ELEMENT     (GADGET_ID_CHECKBUTTON_FIRST + 20)
 651 #define GADGET_ID_USE_ARTWORK_ELEMENT   (GADGET_ID_CHECKBUTTON_FIRST + 21)
 652 #define GADGET_ID_USE_EXPLOSION_ELEMENT (GADGET_ID_CHECKBUTTON_FIRST + 22)
 653 #define GADGET_ID_INITIAL_GRAVITY       (GADGET_ID_CHECKBUTTON_FIRST + 23)
 654 #define GADGET_ID_USE_INITIAL_INVENTORY (GADGET_ID_CHECKBUTTON_FIRST + 24)
 655 #define GADGET_ID_CAN_PASS_TO_WALKABLE  (GADGET_ID_CHECKBUTTON_FIRST + 25)
 656 #define GADGET_ID_CAN_FALL_INTO_ACID    (GADGET_ID_CHECKBUTTON_FIRST + 26)
 657 #define GADGET_ID_CAN_MOVE_INTO_ACID    (GADGET_ID_CHECKBUTTON_FIRST + 27)
 658 #define GADGET_ID_DONT_COLLIDE_WITH     (GADGET_ID_CHECKBUTTON_FIRST + 28)
 659 #define GADGET_ID_ENVELOPE_AUTOWRAP     (GADGET_ID_CHECKBUTTON_FIRST + 29)
 660 #define GADGET_ID_ENVELOPE_CENTERED     (GADGET_ID_CHECKBUTTON_FIRST + 30)
 661 #define GADGET_ID_MM_LASER_RED          (GADGET_ID_CHECKBUTTON_FIRST + 31)
 662 #define GADGET_ID_MM_LASER_GREEN        (GADGET_ID_CHECKBUTTON_FIRST + 32)
 663 #define GADGET_ID_MM_LASER_BLUE         (GADGET_ID_CHECKBUTTON_FIRST + 33)
 664 #define GADGET_ID_DF_LASER_RED          (GADGET_ID_CHECKBUTTON_FIRST + 34)
 665 #define GADGET_ID_DF_LASER_GREEN        (GADGET_ID_CHECKBUTTON_FIRST + 35)
 666 #define GADGET_ID_DF_LASER_BLUE         (GADGET_ID_CHECKBUTTON_FIRST + 36)
 667 #define GADGET_ID_CUSTOM_INDESTRUCTIBLE (GADGET_ID_CHECKBUTTON_FIRST + 37)
 668 #define GADGET_ID_CUSTOM_CAN_EXPLODE    (GADGET_ID_CHECKBUTTON_FIRST + 38)
 669 #define GADGET_ID_CUSTOM_EXPLODE_FIRE   (GADGET_ID_CHECKBUTTON_FIRST + 39)
 670 #define GADGET_ID_CUSTOM_EXPLODE_SMASH  (GADGET_ID_CHECKBUTTON_FIRST + 40)
 671 #define GADGET_ID_CUSTOM_EXPLODE_IMPACT (GADGET_ID_CHECKBUTTON_FIRST + 41)
 672 #define GADGET_ID_CUSTOM_WALK_TO_OBJECT (GADGET_ID_CHECKBUTTON_FIRST + 42)
 673 #define GADGET_ID_CUSTOM_DEADLY         (GADGET_ID_CHECKBUTTON_FIRST + 43)
 674 #define GADGET_ID_CUSTOM_CAN_MOVE       (GADGET_ID_CHECKBUTTON_FIRST + 44)
 675 #define GADGET_ID_CUSTOM_CAN_FALL       (GADGET_ID_CHECKBUTTON_FIRST + 45)
 676 #define GADGET_ID_CUSTOM_CAN_SMASH      (GADGET_ID_CHECKBUTTON_FIRST + 46)
 677 #define GADGET_ID_CUSTOM_SLIPPERY       (GADGET_ID_CHECKBUTTON_FIRST + 47)
 678 #define GADGET_ID_CUSTOM_ACCESSIBLE     (GADGET_ID_CHECKBUTTON_FIRST + 48)
 679 #define GADGET_ID_CUSTOM_GRAV_REACHABLE (GADGET_ID_CHECKBUTTON_FIRST + 49)
 680 #define GADGET_ID_CUSTOM_USE_LAST_VALUE (GADGET_ID_CHECKBUTTON_FIRST + 50)
 681 #define GADGET_ID_CUSTOM_USE_GRAPHIC    (GADGET_ID_CHECKBUTTON_FIRST + 51)
 682 #define GADGET_ID_CUSTOM_USE_TEMPLATE_1 (GADGET_ID_CHECKBUTTON_FIRST + 52)
 683 #define GADGET_ID_CUSTOM_USE_TEMPLATE_2 (GADGET_ID_CHECKBUTTON_FIRST + 53)
 684 #define GADGET_ID_CUSTOM_USE_TEMPLATE_3 (GADGET_ID_CHECKBUTTON_FIRST + 54)
 685 #define GADGET_ID_CUSTOM_CAN_CHANGE     (GADGET_ID_CHECKBUTTON_FIRST + 55)
 686 #define GADGET_ID_CHANGE_USE_CONTENT    (GADGET_ID_CHECKBUTTON_FIRST + 56)
 687 #define GADGET_ID_CHANGE_USE_EXPLOSION  (GADGET_ID_CHECKBUTTON_FIRST + 57)
 688 #define GADGET_ID_CHANGE_ONLY_COMPLETE  (GADGET_ID_CHECKBUTTON_FIRST + 58)
 689 #define GADGET_ID_CHANGE_USE_RANDOM     (GADGET_ID_CHECKBUTTON_FIRST + 59)
 690 #define GADGET_ID_CHANGE_HAS_ACTION     (GADGET_ID_CHECKBUTTON_FIRST + 60)
 691 #define GADGET_ID_CHANGE_DELAY          (GADGET_ID_CHECKBUTTON_FIRST + 61)
 692 #define GADGET_ID_CHANGE_BY_DIRECT_ACT  (GADGET_ID_CHECKBUTTON_FIRST + 62)
 693 #define GADGET_ID_CHANGE_BY_OTHER_ACT   (GADGET_ID_CHECKBUTTON_FIRST + 63)
 694
 695 /* gadgets for buttons in element list */
 696 #define GADGET_ID_ELEMENTLIST_FIRST     (GADGET_ID_CHECKBUTTON_FIRST + 64)
 697 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 698                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 699
 700 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 701
 702 /* radio button numbers */
 703 #define RADIO_NR_NONE                   0
 704 #define RADIO_NR_DRAWING_TOOLBOX        1
 705 #define RADIO_NR_RANDOM_ELEMENTS        2
 706
 707 /* values for counter gadgets */
 708 #define ED_COUNTER_ID_SELECT_LEVEL      0
 709 #define ED_COUNTER_ID_LEVEL_XSIZE       1
 710 #define ED_COUNTER_ID_LEVEL_YSIZE       2
 711 #define ED_COUNTER_ID_LEVEL_GEMSLIMIT   3
 712 #define ED_COUNTER_ID_LEVEL_TIMELIMIT   4
 713 #define ED_COUNTER_ID_LEVEL_TIMESCORE   5
 714 #define ED_COUNTER_ID_LEVEL_RANDOM_SEED 6
 715 #define ED_COUNTER_ID_LEVEL_RANDOM      7
 716 #define ED_COUNTER_ID_ELEMENT_VALUE1    8
 717 #define ED_COUNTER_ID_ELEMENT_VALUE2    9
 718 #define ED_COUNTER_ID_ELEMENT_VALUE3    10
 719 #define ED_COUNTER_ID_ELEMENT_VALUE4    11
 720 #define ED_COUNTER_ID_YAMYAM_CONTENT    12
 721 #define ED_COUNTER_ID_BALL_CONTENT      13
 722 #define ED_COUNTER_ID_ANDROID_CONTENT   14
 723 #define ED_COUNTER_ID_ENVELOPE_XSIZE    15
 724 #define ED_COUNTER_ID_ENVELOPE_YSIZE    16
 725 #define ED_COUNTER_ID_INVENTORY_SIZE    17
 726 #define ED_COUNTER_ID_CUSTOM_SCORE      18
 727 #define ED_COUNTER_ID_CUSTOM_GEMCOUNT   19
 728 #define ED_COUNTER_ID_CUSTOM_VALUE_FIX  20
 729 #define ED_COUNTER_ID_CUSTOM_VALUE_RND  21
 730 #define ED_COUNTER_ID_PUSH_DELAY_FIX    22
 731 #define ED_COUNTER_ID_PUSH_DELAY_RND    23
 732 #define ED_COUNTER_ID_DROP_DELAY_FIX    24
 733 #define ED_COUNTER_ID_DROP_DELAY_RND    25
 734 #define ED_COUNTER_ID_MOVE_DELAY_FIX    26
 735 #define ED_COUNTER_ID_MOVE_DELAY_RND    27
 736 #define ED_COUNTER_ID_EXPLOSION_DELAY   28
 737 #define ED_COUNTER_ID_IGNITION_DELAY    29
 738 #define ED_COUNTER_ID_GROUP_CONTENT     30
 739 #define ED_COUNTER_ID_CHANGE_DELAY_FIX  31
 740 #define ED_COUNTER_ID_CHANGE_DELAY_RND  32
 741 #define ED_COUNTER_ID_CHANGE_CONT_RND   33
 742
 743 #define ED_NUM_COUNTERBUTTONS           34
 744
 745 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 746 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM_SEED
 747 #define ED_COUNTER_ID_EDITOR_FIRST      ED_COUNTER_ID_LEVEL_RANDOM
 748 #define ED_COUNTER_ID_EDITOR_LAST       ED_COUNTER_ID_LEVEL_RANDOM
 749
 750 #define ED_COUNTER_ID_CUSTOM1_FIRST     ED_COUNTER_ID_CUSTOM_SCORE
 751 #define ED_COUNTER_ID_CUSTOM1_LAST      ED_COUNTER_ID_DROP_DELAY_RND
 752 #define ED_COUNTER_ID_CUSTOM2_FIRST     ED_COUNTER_ID_MOVE_DELAY_FIX
 753 #define ED_COUNTER_ID_CUSTOM2_LAST      ED_COUNTER_ID_IGNITION_DELAY
 754 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM1_FIRST
 755 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_CUSTOM2_LAST
 756
 757 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 758 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 759
 760 /* values for scrollbutton gadgets */
 761 #define ED_SCROLLBUTTON_ID_AREA_UP      0
 762 #define ED_SCROLLBUTTON_ID_AREA_DOWN    1
 763 #define ED_SCROLLBUTTON_ID_AREA_LEFT    2
 764 #define ED_SCROLLBUTTON_ID_AREA_RIGHT   3
 765 #define ED_SCROLLBUTTON_ID_LIST_UP      4
 766 #define ED_SCROLLBUTTON_ID_LIST_DOWN    5
 767
 768 #define ED_NUM_SCROLLBUTTONS            6
 769
 770 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 771 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 772
 773 /* values for scrollbar gadgets */
 774 #define ED_SCROLLBAR_ID_AREA_HORIZONTAL 0
 775 #define ED_SCROLLBAR_ID_AREA_VERTICAL   1
 776 #define ED_SCROLLBAR_ID_LIST_VERTICAL   2
 777
 778 #define ED_NUM_SCROLLBARS               3
 779
 780 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 781 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 782
 783 /* values for text input gadgets */
 784 #define ED_TEXTINPUT_ID_LEVEL_NAME      0
 785 #define ED_TEXTINPUT_ID_LEVEL_AUTHOR    1
 786 #define ED_TEXTINPUT_ID_ELEMENT_NAME    2
 787
 788 #define ED_NUM_TEXTINPUT                3
 789
 790 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 791 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 792
 793 /* values for text area gadgets */
 794 #define ED_TEXTAREA_ID_ENVELOPE_INFO    0
 795
 796 #define ED_NUM_TEXTAREAS                        1
 797
 798 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
 799 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
 800
 801 /* values for selectbox gadgets */
 802 #define ED_SELECTBOX_ID_TIME_OR_STEPS           0
 803 #define ED_SELECTBOX_ID_GAME_ENGINE_TYPE        1
 804 #define ED_SELECTBOX_ID_WIND_DIRECTION          2
 805 #define ED_SELECTBOX_ID_PLAYER_SPEED            3
 806 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE      4
 807 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER     5
 808 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED 6
 809 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION 7
 810 #define ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION   8
 811 #define ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN     9
 812 #define ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION   10
 813 #define ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE    11
 814 #define ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE  12
 815 #define ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS    13
 816 #define ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE    14
 817 #define ED_SELECTBOX_ID_CUSTOM_DEADLINESS       15
 818 #define ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE   16
 819 #define ED_SELECTBOX_ID_CHANGE_TIME_UNITS       17
 820 #define ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION    18
 821 #define ED_SELECTBOX_ID_CHANGE_OTHER_ACTION     19
 822 #define ED_SELECTBOX_ID_CHANGE_SIDE             20
 823 #define ED_SELECTBOX_ID_CHANGE_PLAYER           21
 824 #define ED_SELECTBOX_ID_CHANGE_PAGE             22
 825 #define ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN     23
 826 #define ED_SELECTBOX_ID_ACTION_TYPE             24
 827 #define ED_SELECTBOX_ID_ACTION_MODE             25
 828 #define ED_SELECTBOX_ID_ACTION_ARG              26
 829 #define ED_SELECTBOX_ID_SELECT_CHANGE_PAGE      27
 830 #define ED_SELECTBOX_ID_GROUP_CHOICE_MODE       28
 831
 832 #define ED_NUM_SELECTBOX                        29
 833
 834 #define ED_SELECTBOX_ID_LEVEL_FIRST     ED_SELECTBOX_ID_TIME_OR_STEPS
 835 #define ED_SELECTBOX_ID_LEVEL_LAST      ED_SELECTBOX_ID_GAME_ENGINE_TYPE
 836
 837 #define ED_SELECTBOX_ID_CUSTOM1_FIRST   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
 838 #define ED_SELECTBOX_ID_CUSTOM1_LAST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
 839 #define ED_SELECTBOX_ID_CUSTOM2_FIRST   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN
 840 #define ED_SELECTBOX_ID_CUSTOM2_LAST    ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE
 841 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM1_FIRST
 842 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM2_LAST
 843
 844 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 845 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
 846
 847 /* values for textbutton gadgets */
 848 #define ED_TEXTBUTTON_ID_LEVELINFO_LEVEL        0
 849 #define ED_TEXTBUTTON_ID_LEVELINFO_EDITOR       1
 850 #define ED_TEXTBUTTON_ID_PROPERTIES_INFO        2
 851 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG      3
 852 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1    4
 853 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2    5
 854 #define ED_TEXTBUTTON_ID_PROPERTIES_CHANGE      6
 855 #define ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2     7
 856 #define ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1     8
 857 #define ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE        9
 858 #define ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE        10
 859
 860 #define ED_NUM_TEXTBUTTONS                      11
 861
 862 #define ED_TAB_BUTTON_ID_LEVELINFO_FIRST ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
 863 #define ED_TAB_BUTTON_ID_LEVELINFO_LAST  ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
 864
 865 #define ED_TAB_BUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
 866 #define ED_TAB_BUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
 867
 868 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE
 869 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
 870
 871 /* values for graphicbutton gadgets */
 872 #define ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE    0
 873 #define ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE    1
 874 #define ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE    2
 875 #define ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE   3
 876
 877 #define ED_NUM_GRAPHICBUTTONS                   4
 878
 879 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST  ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
 880 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE
 881
 882 /* values for checkbutton gadgets */
 883 #define ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS       0
 884 #define ED_CHECKBUTTON_ID_RANDOM_RESTRICTED     1
 885 #define ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3 2
 886 #define ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2 3
 887 #define ED_CHECKBUTTON_ID_STICK_ELEMENT         4
 888 #define ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS      5
 889 #define ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE   6
 890 #define ED_CHECKBUTTON_ID_USE_SPRING_BUG        7
 891 #define ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG      8
 892 #define ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT   9
 893 #define ED_CHECKBUTTON_ID_INITIAL_BALL_STATE    10
 894 #define ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE    11
 895 #define ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN     12
 896 #define ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING   13
 897 #define ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD      14
 898 #define ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD      15
 899 #define ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD   16
 900 #define ED_CHECKBUTTON_ID_INSTANT_RELOCATION    17
 901 #define ED_CHECKBUTTON_ID_SHIFTED_RELOCATION    18
 902 #define ED_CHECKBUTTON_ID_LAZY_RELOCATION       19
 903 #define ED_CHECKBUTTON_ID_USE_START_ELEMENT     20
 904 #define ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT   21
 905 #define ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT 22
 906 #define ED_CHECKBUTTON_ID_INITIAL_GRAVITY       23
 907 #define ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY 24
 908 #define ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE  25
 909 #define ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID    26
 910 #define ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID    27
 911 #define ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH     28
 912 #define ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP     29
 913 #define ED_CHECKBUTTON_ID_ENVELOPE_CENTERED     30
 914 #define ED_CHECKBUTTON_ID_MM_LASER_RED          31
 915 #define ED_CHECKBUTTON_ID_MM_LASER_GREEN        32
 916 #define ED_CHECKBUTTON_ID_MM_LASER_BLUE         33
 917 #define ED_CHECKBUTTON_ID_DF_LASER_RED          34
 918 #define ED_CHECKBUTTON_ID_DF_LASER_GREEN        35
 919 #define ED_CHECKBUTTON_ID_DF_LASER_BLUE         36
 920 #define ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC    37
 921 #define ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1 38
 922 #define ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE     39
 923 #define ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE 40
 924 #define ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE 41
 925 #define ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT 42
 926 #define ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE 43
 927 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE       44
 928 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL       45
 929 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH      46
 930 #define ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY       47
 931 #define ED_CHECKBUTTON_ID_CUSTOM_DEADLY         48
 932 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE    49
 933 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE   50
 934 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH  51
 935 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT 52
 936 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE     53
 937 #define ED_CHECKBUTTON_ID_CHANGE_DELAY          54
 938 #define ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT  55
 939 #define ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT   56
 940 #define ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION  57
 941 #define ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT    58
 942 #define ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE  59
 943 #define ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM     60
 944 #define ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION     61
 945
 946 #define ED_NUM_CHECKBUTTONS                     62
 947
 948 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS
 949 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS
 950
 951 #define ED_CHECKBUTTON_ID_EDITOR_FIRST  ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
 952 #define ED_CHECKBUTTON_ID_EDITOR_LAST   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2
 953
 954 #define ED_CHECKBUTTON_ID_CUSTOM1_FIRST ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
 955 #define ED_CHECKBUTTON_ID_CUSTOM1_LAST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
 956 #define ED_CHECKBUTTON_ID_CUSTOM2_FIRST ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE
 957 #define ED_CHECKBUTTON_ID_CUSTOM2_LAST  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
 958 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM1_FIRST
 959 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM2_LAST
 960
 961 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE
 962 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION
 963
 964 /* values for radiobutton gadgets */
 965 #define ED_RADIOBUTTON_ID_PERCENTAGE    0
 966 #define ED_RADIOBUTTON_ID_QUANTITY      1
 967
 968 #define ED_NUM_RADIOBUTTONS             2
 969
 970 #define ED_RADIOBUTTON_ID_EDITOR_FIRST  ED_RADIOBUTTON_ID_PERCENTAGE
 971 #define ED_RADIOBUTTON_ID_EDITOR_LAST   ED_RADIOBUTTON_ID_QUANTITY
 972
 973 /* values for drawing area gadgets */
 974 #define ED_DRAWING_ID_DRAWING_LEVEL             0
 975 #define ED_DRAWING_ID_YAMYAM_CONTENT_0          1
 976 #define ED_DRAWING_ID_YAMYAM_CONTENT_1          2
 977 #define ED_DRAWING_ID_YAMYAM_CONTENT_2          3
 978 #define ED_DRAWING_ID_YAMYAM_CONTENT_3          4
 979 #define ED_DRAWING_ID_YAMYAM_CONTENT_4          5
 980 #define ED_DRAWING_ID_YAMYAM_CONTENT_5          6
 981 #define ED_DRAWING_ID_YAMYAM_CONTENT_6          7
 982 #define ED_DRAWING_ID_YAMYAM_CONTENT_7          8
 983 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_0      9
 984 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_1      10
 985 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_2      11
 986 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_3      12
 987 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_4      13
 988 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_5      14
 989 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_6      15
 990 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_7      16
 991 #define ED_DRAWING_ID_ANDROID_CONTENT           17
 992 #define ED_DRAWING_ID_AMOEBA_CONTENT            18
 993 #define ED_DRAWING_ID_START_ELEMENT             19
 994 #define ED_DRAWING_ID_ARTWORK_ELEMENT           20
 995 #define ED_DRAWING_ID_EXPLOSION_ELEMENT         21
 996 #define ED_DRAWING_ID_INVENTORY_CONTENT         22
 997 #define ED_DRAWING_ID_CUSTOM_GRAPHIC            23
 998 #define ED_DRAWING_ID_CUSTOM_CONTENT            24
 999 #define ED_DRAWING_ID_CUSTOM_MOVE_ENTER         25
1000 #define ED_DRAWING_ID_CUSTOM_MOVE_LEAVE         26
1001 #define ED_DRAWING_ID_CUSTOM_CHANGE_TARGET      27
1002 #define ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT     28
1003 #define ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER     29
1004 #define ED_DRAWING_ID_CUSTOM_CHANGE_ACTION      30
1005 #define ED_DRAWING_ID_GROUP_CONTENT             31
1006 #define ED_DRAWING_ID_RANDOM_BACKGROUND         32
1007
1008 #define ED_NUM_DRAWING_AREAS                    33
1009
1010 #define ED_DRAWING_ID_EDITOR_FIRST      ED_DRAWING_ID_RANDOM_BACKGROUND
1011 #define ED_DRAWING_ID_EDITOR_LAST       ED_DRAWING_ID_RANDOM_BACKGROUND
1012
1013
1014 /*
1015   -----------------------------------------------------------------------------
1016   some internally used definitions
1017   -----------------------------------------------------------------------------
1018 */
1019
1020 /* values for CopyLevelToUndoBuffer() */
1021 #define UNDO_IMMEDIATE                  0
1022 #define UNDO_ACCUMULATE                 1
1023
1024 /* values for scrollbars */
1025 #define ED_SCROLL_NO                    0
1026 #define ED_SCROLL_LEFT                  1
1027 #define ED_SCROLL_RIGHT                 2
1028 #define ED_SCROLL_UP                    4
1029 #define ED_SCROLL_DOWN                  8
1030
1031 /* screens in the level editor */
1032 #define ED_MODE_DRAWING                 0
1033 #define ED_MODE_INFO                    1
1034 #define ED_MODE_PROPERTIES              2
1035 #define ED_MODE_PALETTE                 3
1036
1037 /* sub-screens in the global settings section */
1038 #define ED_MODE_LEVELINFO_LEVEL         ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
1039 #define ED_MODE_LEVELINFO_EDITOR        ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
1040
1041 /* sub-screens in the element properties section */
1042 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
1043 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
1044 #define ED_MODE_PROPERTIES_CONFIG_1     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1
1045 #define ED_MODE_PROPERTIES_CONFIG_2     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2
1046 #define ED_MODE_PROPERTIES_CHANGE       ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
1047
1048 /* how many steps can be cancelled */
1049 #define NUM_UNDO_STEPS                  (64 + 1)
1050
1051 /* values for elements with score for certain actions */
1052 #define MIN_SCORE                       0
1053 #define MAX_SCORE                       999
1054
1055 /* values for elements with count for collecting */
1056 #define MIN_COLLECT_COUNT               0
1057 #define MAX_COLLECT_COUNT               999
1058
1059 /* values for random placement */
1060 #define RANDOM_USE_PERCENTAGE           0
1061 #define RANDOM_USE_QUANTITY             1
1062
1063 /* default value for element tile size in drawing area */
1064 #define DEFAULT_EDITOR_TILESIZE         MINI_TILESIZE
1065
1066
1067 /*
1068   -----------------------------------------------------------------------------
1069   some internally used data structure definitions
1070   -----------------------------------------------------------------------------
1071 */
1072
1073 static struct
1074 {
1075   int graphic;
1076   int gadget_id;
1077   struct XYTileSize *pos;
1078   int gadget_type;
1079   char *infotext;
1080   char shortcut;
1081 } controlbutton_info[ED_NUM_CTRL_BUTTONS] =
1082 {
1083   /* note: some additional characters are already reserved for "cheat mode"
1084      shortcuts (":XYZ" style) -- for details, see "events.c" */
1085
1086   /* ---------- toolbox control buttons ------------------------------------ */
1087
1088   {
1089     IMG_GFX_EDITOR_BUTTON_DRAW_SINGLE,          GADGET_ID_SINGLE_ITEMS,
1090     &editor.button.draw_single,                 GD_TYPE_RADIO_BUTTON,
1091     "draw single items",                        's'
1092   },
1093   {
1094     IMG_GFX_EDITOR_BUTTON_DRAW_CONNECTED,       GADGET_ID_CONNECTED_ITEMS,
1095     &editor.button.draw_connected,              GD_TYPE_RADIO_BUTTON,
1096     "draw connected items",                     'd'
1097   },
1098   {
1099     IMG_GFX_EDITOR_BUTTON_DRAW_LINE,            GADGET_ID_LINE,
1100     &editor.button.draw_line,                   GD_TYPE_RADIO_BUTTON,
1101     "draw lines",                               'l'
1102   },
1103   {
1104     IMG_GFX_EDITOR_BUTTON_DRAW_ARC,             GADGET_ID_ARC,
1105     &editor.button.draw_arc,                    GD_TYPE_RADIO_BUTTON,
1106     "draw arcs",                                'a'
1107   },
1108   {
1109     IMG_GFX_EDITOR_BUTTON_DRAW_RECTANGLE,       GADGET_ID_RECTANGLE,
1110     &editor.button.draw_rectangle,              GD_TYPE_RADIO_BUTTON,
1111     "draw outline rectangles",                  'r'
1112   },
1113   {
1114     IMG_GFX_EDITOR_BUTTON_DRAW_FILLED_BOX,      GADGET_ID_FILLED_BOX,
1115     &editor.button.draw_filled_box,             GD_TYPE_RADIO_BUTTON,
1116     "draw filled rectangles",                   'R'
1117   },
1118   {
1119     IMG_GFX_EDITOR_BUTTON_ROTATE_UP,            GADGET_ID_WRAP_UP,
1120     &editor.button.rotate_up,                   GD_TYPE_NORMAL_BUTTON,
1121     "wrap (rotate) level up",                   0
1122   },
1123   {
1124     IMG_GFX_EDITOR_BUTTON_DRAW_TEXT,            GADGET_ID_TEXT,
1125     &editor.button.draw_text,                   GD_TYPE_RADIO_BUTTON,
1126     "enter text elements",                      't'
1127   },
1128   {
1129     IMG_GFX_EDITOR_BUTTON_FLOOD_FILL,           GADGET_ID_FLOOD_FILL,
1130     &editor.button.flood_fill,                  GD_TYPE_RADIO_BUTTON,
1131     "flood fill",                               'f'
1132   },
1133   {
1134     IMG_GFX_EDITOR_BUTTON_ROTATE_LEFT,          GADGET_ID_WRAP_LEFT,
1135     &editor.button.rotate_left,                 GD_TYPE_NORMAL_BUTTON,
1136     "wrap (rotate) level left",                 0
1137   },
1138   {
1139     IMG_GFX_EDITOR_BUTTON_ZOOM_LEVEL,           GADGET_ID_ZOOM,
1140     &editor.button.zoom_level,                  GD_TYPE_NORMAL_BUTTON,
1141     "zoom level tile size",                     '+'
1142   },
1143   {
1144     IMG_GFX_EDITOR_BUTTON_ROTATE_RIGHT,         GADGET_ID_WRAP_RIGHT,
1145     &editor.button.rotate_right,                GD_TYPE_NORMAL_BUTTON,
1146     "wrap (rotate) level right",                0
1147   },
1148   {
1149     IMG_GFX_EDITOR_BUTTON_DRAW_RANDOM,          GADGET_ID_RANDOM_PLACEMENT,
1150     &editor.button.draw_random,                 GD_TYPE_NORMAL_BUTTON,
1151     "random element placement",                 0
1152   },
1153   {
1154     IMG_GFX_EDITOR_BUTTON_GRAB_BRUSH,           GADGET_ID_GRAB_BRUSH,
1155     &editor.button.grab_brush,                  GD_TYPE_RADIO_BUTTON,
1156     "grab brush",                               'b'
1157   },
1158   {
1159     IMG_GFX_EDITOR_BUTTON_ROTATE_DOWN,          GADGET_ID_WRAP_DOWN,
1160     &editor.button.rotate_down,                 GD_TYPE_NORMAL_BUTTON,
1161     "wrap (rotate) level down",                 0
1162   },
1163   {
1164     IMG_GFX_EDITOR_BUTTON_PICK_ELEMENT,         GADGET_ID_PICK_ELEMENT,
1165     &editor.button.pick_element,                GD_TYPE_RADIO_BUTTON,
1166     "pick drawing element",                     ','
1167   },
1168
1169   /* ---------- level control buttons -------------------------------------- */
1170
1171   {
1172     IMG_GFX_EDITOR_BUTTON_UNDO,                 GADGET_ID_UNDO,
1173     &editor.button.undo,                        GD_TYPE_NORMAL_BUTTON,
1174     "undo/redo last operation",                 'u'
1175   },
1176   {
1177     IMG_GFX_EDITOR_BUTTON_CONF,                 GADGET_ID_INFO,
1178     &editor.button.conf,                        GD_TYPE_NORMAL_BUTTON,
1179     "properties of level",                      'I'
1180   },
1181   {
1182     IMG_GFX_EDITOR_BUTTON_SAVE,                 GADGET_ID_SAVE,
1183     &editor.button.save,                        GD_TYPE_NORMAL_BUTTON,
1184     "save level",                               'S'
1185   },
1186   {
1187     IMG_GFX_EDITOR_BUTTON_CLEAR,                GADGET_ID_CLEAR,
1188     &editor.button.clear,                       GD_TYPE_NORMAL_BUTTON,
1189     "clear level",                              'C'
1190   },
1191   {
1192     IMG_GFX_EDITOR_BUTTON_TEST,                 GADGET_ID_TEST,
1193     &editor.button.test,                        GD_TYPE_NORMAL_BUTTON,
1194     "test level",                               'T'
1195   },
1196   {
1197     IMG_GFX_EDITOR_BUTTON_EXIT,                 GADGET_ID_EXIT,
1198     &editor.button.exit,                        GD_TYPE_NORMAL_BUTTON,
1199     "exit level editor",                        'E'
1200   },
1201
1202   /* ---------- CE and GE control buttons ---------------------------------- */
1203
1204   {
1205     IMG_GFX_EDITOR_BUTTON_CE_COPY_FROM,         GADGET_ID_CUSTOM_COPY_FROM,
1206     &editor.button.ce_copy_from,                GD_TYPE_RADIO_BUTTON,
1207     "copy settings from other element",         0
1208   },
1209   {
1210     IMG_GFX_EDITOR_BUTTON_CE_COPY_TO,           GADGET_ID_CUSTOM_COPY_TO,
1211     &editor.button.ce_copy_to,                  GD_TYPE_RADIO_BUTTON,
1212     "copy settings to other element",           0
1213   },
1214   {
1215     IMG_GFX_EDITOR_BUTTON_CE_SWAP,              GADGET_ID_CUSTOM_EXCHANGE,
1216     &editor.button.ce_swap,                     GD_TYPE_RADIO_BUTTON,
1217     "exchange element with other element",      0
1218   },
1219   {
1220     IMG_GFX_EDITOR_BUTTON_CE_COPY,              GADGET_ID_CUSTOM_COPY,
1221     &editor.button.ce_copy,                     GD_TYPE_NORMAL_BUTTON,
1222     "copy settings from this element",          0
1223   },
1224   {
1225     IMG_GFX_EDITOR_BUTTON_CE_PASTE,             GADGET_ID_CUSTOM_PASTE,
1226     &editor.button.ce_paste,                    GD_TYPE_NORMAL_BUTTON,
1227     "paste settings to this element",           0
1228   },
1229
1230   /* ---------- palette control buttons ------------------------------------ */
1231
1232   {
1233     IMG_GFX_EDITOR_BUTTON_PROPERTIES,           GADGET_ID_PROPERTIES,
1234     &editor.button.properties,                  GD_TYPE_NORMAL_BUTTON,
1235     "properties of drawing element",            'p'
1236   },
1237   {
1238     IMG_GFX_EDITOR_BUTTON_ELEMENT_LEFT,         GADGET_ID_ELEMENT_LEFT,
1239     &editor.button.element_left,                GD_TYPE_NORMAL_BUTTON,
1240     "properties of drawing element 1",          '1'
1241   },
1242   {
1243     IMG_GFX_EDITOR_BUTTON_ELEMENT_MIDDLE,       GADGET_ID_ELEMENT_MIDDLE,
1244     &editor.button.element_middle,              GD_TYPE_NORMAL_BUTTON,
1245     "properties of drawing element 2",          '2'
1246   },
1247   {
1248     IMG_GFX_EDITOR_BUTTON_ELEMENT_RIGHT,        GADGET_ID_ELEMENT_RIGHT,
1249     &editor.button.element_right,               GD_TYPE_NORMAL_BUTTON,
1250     "properties of drawing element 3",          '3'
1251   },
1252   {
1253     IMG_GFX_EDITOR_BUTTON_PALETTE,              GADGET_ID_PALETTE,
1254     &editor.button.palette,                     GD_TYPE_NORMAL_BUTTON,
1255     "show list of elements",                    'e'
1256   }
1257 };
1258
1259 static int random_placement_value = 10;
1260 static int random_placement_method = RANDOM_USE_QUANTITY;
1261 static int random_placement_background_element = EL_SAND;
1262 static boolean random_placement_background_restricted = FALSE;
1263 static boolean stick_element_properties_window = FALSE;
1264 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
1265 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
1266 static struct ElementChangeInfo custom_element_change;
1267 static struct ElementGroupInfo group_element_info;
1268 static struct ElementInfo custom_element;
1269
1270 static struct
1271 {
1272   int x, y;
1273   int min_value, max_value;
1274   int gadget_id_down, gadget_id_up;
1275   int gadget_id_text;
1276   int gadget_id_align;
1277   int *value;
1278   char *text_above, *text_left, *text_right;
1279 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
1280 {
1281   /* ---------- current level number --------------------------------------- */
1282
1283   {
1284     -1, -1,     /* these values are not constant, but can change at runtime */
1285     1,                                  100,
1286     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
1287     GADGET_ID_SELECT_LEVEL_TEXT,        GADGET_ID_NONE,
1288     &level_nr,
1289     NULL,                               NULL, NULL
1290   },
1291
1292   /* ---------- level and editor settings ---------------------------------- */
1293
1294   {
1295     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1296     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
1297     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
1298     GADGET_ID_LEVEL_XSIZE_TEXT,         GADGET_ID_NONE,
1299     &level.fieldx,
1300     "playfield size:",                  NULL, "width",
1301   },
1302   {
1303     -1,                                 ED_LEVEL_SETTINGS_YPOS(4),
1304     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
1305     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
1306     GADGET_ID_LEVEL_YSIZE_TEXT,         GADGET_ID_LEVEL_XSIZE_UP,
1307     &level.fieldy,
1308     NULL,                               " ", "height",
1309   },
1310   {
1311     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
1312     0,                                  999,
1313     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
1314     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,     GADGET_ID_NONE,
1315     &level.gems_needed,
1316     NULL,                               "number of gems to collect:", NULL
1317   },
1318   {
1319     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
1320     0,                                  9999,
1321     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
1322     GADGET_ID_LEVEL_TIMELIMIT_TEXT,     GADGET_ID_NONE,
1323     &level.time,
1324     "time or step limit to solve level:", NULL, NULL
1325   },
1326   {
1327     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
1328     0,                                  999,
1329     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
1330     GADGET_ID_LEVEL_TIMESCORE_TEXT,     GADGET_ID_NONE,
1331     &level.score[SC_TIME_BONUS],
1332     "score for each second/step left:", NULL, NULL
1333   },
1334   {
1335     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(12),
1336     0,                                  9999,
1337     GADGET_ID_LEVEL_RANDOM_SEED_DOWN,   GADGET_ID_LEVEL_RANDOM_SEED_UP,
1338     GADGET_ID_LEVEL_RANDOM_SEED_TEXT,   GADGET_ID_NONE,
1339     &level.random_seed,
1340     NULL,                               "random seed:", "(0 => random)"
1341   },
1342   {
1343     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1344     1,                                  100,
1345     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
1346     GADGET_ID_LEVEL_RANDOM_TEXT,        GADGET_ID_NONE,
1347     &random_placement_value,
1348     "random element placement:",        NULL, "in"
1349   },
1350
1351   /* ---------- element settings: configure (various elements) ------------- */
1352
1353   {
1354     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1355     MIN_SCORE,                          MAX_SCORE,
1356     GADGET_ID_ELEMENT_VALUE1_DOWN,      GADGET_ID_ELEMENT_VALUE1_UP,
1357     GADGET_ID_ELEMENT_VALUE1_TEXT,      GADGET_ID_NONE,
1358     NULL,                               /* will be set when used */
1359     NULL,                               NULL, NULL
1360   },
1361   {
1362     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
1363     MIN_SCORE,                          MAX_SCORE,
1364     GADGET_ID_ELEMENT_VALUE2_DOWN,      GADGET_ID_ELEMENT_VALUE2_UP,
1365     GADGET_ID_ELEMENT_VALUE2_TEXT,      GADGET_ID_NONE,
1366     NULL,                               /* will be set when used */
1367     NULL,                               NULL, NULL
1368   },
1369   {
1370     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1371     MIN_SCORE,                          MAX_SCORE,
1372     GADGET_ID_ELEMENT_VALUE3_DOWN,      GADGET_ID_ELEMENT_VALUE3_UP,
1373     GADGET_ID_ELEMENT_VALUE3_TEXT,      GADGET_ID_NONE,
1374     NULL,                               /* will be set when used */
1375     NULL,                               NULL, NULL
1376   },
1377   {
1378     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1379     MIN_SCORE,                          MAX_SCORE,
1380     GADGET_ID_ELEMENT_VALUE4_DOWN,      GADGET_ID_ELEMENT_VALUE4_UP,
1381     GADGET_ID_ELEMENT_VALUE4_TEXT,      GADGET_ID_NONE,
1382     NULL,                               /* will be set when used */
1383     NULL,                               NULL, NULL
1384   },
1385   {
1386     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1387     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1388     GADGET_ID_YAMYAM_CONTENT_DOWN,      GADGET_ID_YAMYAM_CONTENT_UP,
1389     GADGET_ID_YAMYAM_CONTENT_TEXT,      GADGET_ID_NONE,
1390     &level.num_yamyam_contents,
1391     NULL,                               NULL, "number of content areas"
1392   },
1393   {
1394     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1395     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1396     GADGET_ID_BALL_CONTENT_DOWN,        GADGET_ID_BALL_CONTENT_UP,
1397     GADGET_ID_BALL_CONTENT_TEXT,        GADGET_ID_NONE,
1398     &level.num_ball_contents,
1399     NULL,                               NULL, "number of content areas"
1400   },
1401   {
1402     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1403     MIN_ANDROID_ELEMENTS,               MAX_ANDROID_ELEMENTS,
1404     GADGET_ID_ANDROID_CONTENT_DOWN,     GADGET_ID_ANDROID_CONTENT_UP,
1405     GADGET_ID_ANDROID_CONTENT_TEXT,     GADGET_ID_NONE,
1406     &level.num_android_clone_elements,
1407     NULL,                               NULL, "number of clonable elements"
1408   },
1409   {
1410     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1411     MIN_ENVELOPE_XSIZE,                 MAX_ENVELOPE_XSIZE,
1412     GADGET_ID_ENVELOPE_XSIZE_DOWN,      GADGET_ID_ENVELOPE_XSIZE_UP,
1413     GADGET_ID_ENVELOPE_XSIZE_TEXT,      GADGET_ID_NONE,
1414     NULL,                               /* will be set when used */
1415     NULL,                               NULL, "width",
1416   },
1417   {
1418     -1,                                 ED_ELEMENT_SETTINGS_YPOS(0),
1419     MIN_ENVELOPE_YSIZE,                 MAX_ENVELOPE_YSIZE,
1420     GADGET_ID_ENVELOPE_YSIZE_DOWN,      GADGET_ID_ENVELOPE_YSIZE_UP,
1421     GADGET_ID_ENVELOPE_YSIZE_TEXT,      GADGET_ID_ENVELOPE_XSIZE_UP,
1422     NULL,                               /* will be set when used */
1423     NULL,                               " ", "height",
1424   },
1425   {
1426     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1427     MIN_INITIAL_INVENTORY_SIZE,         MAX_INITIAL_INVENTORY_SIZE,
1428     GADGET_ID_INVENTORY_SIZE_DOWN,      GADGET_ID_INVENTORY_SIZE_UP,
1429     GADGET_ID_INVENTORY_SIZE_TEXT,      GADGET_ID_NONE,
1430     &level.initial_inventory_size[0],
1431     NULL,                               NULL, "number of inventory elements"
1432   },
1433
1434   /* ---------- element settings: configure 1 (custom elements) ------------ */
1435
1436   {
1437     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1438     MIN_SCORE,                          MAX_SCORE,
1439     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
1440     GADGET_ID_CUSTOM_SCORE_TEXT,        GADGET_ID_NONE,
1441     &custom_element.collect_score_initial,
1442     NULL,                               "CE score", " "
1443   },
1444   {
1445     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1446     MIN_COLLECT_COUNT,                  MAX_COLLECT_COUNT,
1447     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
1448     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,     GADGET_ID_CUSTOM_SCORE_UP,
1449     &custom_element.collect_count_initial,
1450     NULL,                               "CE count", NULL
1451   },
1452   {
1453     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1454     0,                                  9999,
1455     GADGET_ID_CUSTOM_VALUE_FIX_DOWN,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1456     GADGET_ID_CUSTOM_VALUE_FIX_TEXT,    GADGET_ID_NONE,
1457     &custom_element.ce_value_fixed_initial,
1458     NULL,                               "CE value", NULL
1459   },
1460   {
1461     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1462     0,                                  9999,
1463     GADGET_ID_CUSTOM_VALUE_RND_DOWN,    GADGET_ID_CUSTOM_VALUE_RND_UP,
1464     GADGET_ID_CUSTOM_VALUE_RND_TEXT,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1465     &custom_element.ce_value_random_initial,
1466     NULL,                               "+random", NULL
1467   },
1468   {
1469     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1470     0,                                  999,
1471     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
1472     GADGET_ID_PUSH_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1473     &custom_element.push_delay_fixed,
1474     NULL,                               "push delay", NULL
1475   },
1476   {
1477     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1478     0,                                  999,
1479     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
1480     GADGET_ID_PUSH_DELAY_RND_TEXT,      GADGET_ID_PUSH_DELAY_FIX_UP,
1481     &custom_element.push_delay_random,
1482     NULL,                               "+random", NULL
1483   },
1484   {
1485     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(7),
1486     0,                                  999,
1487     GADGET_ID_DROP_DELAY_FIX_DOWN,      GADGET_ID_DROP_DELAY_FIX_UP,
1488     GADGET_ID_DROP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1489     &custom_element.drop_delay_fixed,
1490     NULL,                               "drop delay", NULL
1491   },
1492   {
1493     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
1494     0,                                  999,
1495     GADGET_ID_DROP_DELAY_RND_DOWN,      GADGET_ID_DROP_DELAY_RND_UP,
1496     GADGET_ID_DROP_DELAY_RND_TEXT,      GADGET_ID_DROP_DELAY_FIX_UP,
1497     &custom_element.drop_delay_random,
1498     NULL,                               "+random", NULL
1499   },
1500
1501   /* ---------- element settings: configure 2 (custom elements) ------------ */
1502
1503   {
1504     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1505     0,                                  999,
1506     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
1507     GADGET_ID_MOVE_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1508     &custom_element.move_delay_fixed,
1509     NULL,                               "move delay", NULL
1510   },
1511   {
1512     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1513     0,                                  999,
1514     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
1515     GADGET_ID_MOVE_DELAY_RND_TEXT,      GADGET_ID_MOVE_DELAY_FIX_UP,
1516     &custom_element.move_delay_random,
1517     NULL,                               "+random", NULL
1518   },
1519   {
1520     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(12),
1521     0,                                  999,
1522     GADGET_ID_EXPLOSION_DELAY_DOWN,     GADGET_ID_EXPLOSION_DELAY_UP,
1523     GADGET_ID_EXPLOSION_DELAY_TEXT,     GADGET_ID_NONE,
1524     &custom_element.explosion_delay,
1525     NULL,                               "explosion delay", NULL
1526   },
1527   {
1528     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
1529     0,                                  999,
1530     GADGET_ID_IGNITION_DELAY_DOWN,      GADGET_ID_IGNITION_DELAY_UP,
1531     GADGET_ID_IGNITION_DELAY_TEXT,      GADGET_ID_NONE,
1532     &custom_element.ignition_delay,
1533     NULL,                               "ignition delay", "(by fire)"
1534   },
1535
1536   /* ---------- element settings: configure (group elements) --------------- */
1537
1538   {
1539     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1540     MIN_ELEMENTS_IN_GROUP,              MAX_ELEMENTS_IN_GROUP,
1541     GADGET_ID_GROUP_CONTENT_DOWN,       GADGET_ID_GROUP_CONTENT_UP,
1542     GADGET_ID_GROUP_CONTENT_TEXT,       GADGET_ID_NONE,
1543     &group_element_info.num_elements,
1544     NULL,                               NULL, "number of elements in group"
1545   },
1546
1547   /* ---------- element settings: advanced (custom elements) --------------- */
1548
1549   {
1550     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(2),
1551     0,                                  999,
1552     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1553     GADGET_ID_CHANGE_DELAY_FIX_TEXT,    GADGET_ID_NONE,
1554     &custom_element_change.delay_fixed,
1555     NULL,                               "CE delay", NULL,
1556   },
1557   {
1558     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
1559     0,                                  999,
1560     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
1561     GADGET_ID_CHANGE_DELAY_RND_TEXT,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1562     &custom_element_change.delay_random,
1563     NULL,                               "+random", NULL
1564   },
1565   {
1566     ED_ELEMENT_SETTINGS_XPOS(3),        ED_ELEMENT_SETTINGS_YPOS(12),
1567     0,                                  100,
1568     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
1569     GADGET_ID_CHANGE_CONT_RND_TEXT,     GADGET_ID_NONE,
1570     &custom_element_change.random_percentage,
1571     NULL,                               "use random replace:", "%"
1572   },
1573 };
1574
1575 static struct
1576 {
1577   int x, y;
1578   int gadget_id;
1579   int size;
1580   char *value;
1581   char *text_above, *infotext;
1582 } textinput_info[ED_NUM_TEXTINPUT] =
1583 {
1584   {
1585     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1586     GADGET_ID_LEVEL_NAME,
1587     MAX_LEVEL_NAME_LEN,
1588     level.name,
1589     "Title:", "Title"
1590   },
1591   {
1592     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1593     GADGET_ID_LEVEL_AUTHOR,
1594     MAX_LEVEL_AUTHOR_LEN,
1595     level.author,
1596     "Author:", "Author"
1597   },
1598   {
1599     -1, -1,     /* these values are not constant, but can change at runtime */
1600     GADGET_ID_ELEMENT_NAME,
1601     MAX_ELEMENT_NAME_LEN - 2,           /* currently 2 chars less editable */
1602     custom_element.description,
1603     NULL, "Element name"
1604   }
1605 };
1606
1607 static struct
1608 {
1609   int x, y;
1610   int gadget_id;
1611   int xsize, ysize;
1612   char *value;
1613   char *text_above, *infotext;
1614 } textarea_info[ED_NUM_TEXTAREAS] =
1615 {
1616   {
1617     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1618     GADGET_ID_ENVELOPE_INFO,
1619     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
1620     NULL,
1621     "Envelope Content:", "Envelope Content"
1622   }
1623 };
1624
1625 static struct ValueTextInfo options_time_or_steps[] =
1626 {
1627   { 0,                          "seconds"                       },
1628   { 1,                          "steps"                         },
1629
1630   { -1,                         NULL                            }
1631 };
1632
1633 static struct ValueTextInfo options_game_engine_type[] =
1634 {
1635   { GAME_ENGINE_TYPE_RND,       "Rocks'n'Diamonds"              },
1636   { GAME_ENGINE_TYPE_EM,        "Emerald Mine"                  },
1637   { GAME_ENGINE_TYPE_SP,        "Supaplex"                      },
1638   { GAME_ENGINE_TYPE_MM,        "Mirror Magic"                  },
1639
1640   { -1,                         NULL                            }
1641 };
1642
1643 static struct ValueTextInfo options_wind_direction[] =
1644 {
1645   { MV_START_NONE,              "none"                          },
1646   { MV_START_LEFT,              "left"                          },
1647   { MV_START_RIGHT,             "right"                         },
1648   { MV_START_UP,                "up"                            },
1649   { MV_START_DOWN,              "down"                          },
1650
1651   { -1,                         NULL                            }
1652 };
1653
1654 static struct ValueTextInfo options_player_speed[] =
1655 {
1656   { 0,                          "frozen"                        },
1657   { 1,                          "very slow"                     },
1658   { 2,                          "slow"                          },
1659   { 4,                          "normal"                        },
1660   { 8,                          "fast"                          },
1661   { 16,                         "very fast"                     },
1662   { 32,                         "ultrafast"                     },
1663
1664   { -1,                         NULL                            }
1665 };
1666
1667 static struct ValueTextInfo options_access_type[] =
1668 {
1669   { EP_WALKABLE,                "walkable"                      },
1670   { EP_PASSABLE,                "passable"                      },
1671
1672   { -1,                         NULL                            }
1673 };
1674
1675 static struct ValueTextInfo options_access_layer[] =
1676 {
1677   { EP_ACCESSIBLE_OVER,         "over"                          },
1678   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
1679   { EP_ACCESSIBLE_UNDER,        "under"                         },
1680
1681   { -1,                         NULL                            }
1682 };
1683
1684 static struct ValueTextInfo options_access_protected[] =
1685 {
1686   { 0,                          "unprotected"                   },
1687   { 1,                          "protected"                     },
1688
1689   { -1,                         NULL                            }
1690 };
1691
1692 static struct ValueTextInfo options_access_direction[] =
1693 {
1694   { MV_NO_DIRECTION,            "no direction"                  },
1695   { MV_LEFT,                    "left"                          },
1696   { MV_RIGHT,                   "right"                         },
1697   { MV_UP,                      "up"                            },
1698   { MV_DOWN,                    "down"                          },
1699   { MV_LEFT  | MV_UP,           "left + up"                     },
1700   { MV_LEFT  | MV_DOWN,         "left + down"                   },
1701   { MV_RIGHT | MV_UP,           "right + up"                    },
1702   { MV_RIGHT | MV_DOWN,         "right + down"                  },
1703   { MV_HORIZONTAL,              "horizontal"                    },
1704   { MV_VERTICAL,                "vertical"                      },
1705   { MV_HORIZONTAL | MV_UP,      "horizontal + up"               },
1706   { MV_HORIZONTAL | MV_DOWN,    "horizontal + down"             },
1707   { MV_VERTICAL   | MV_LEFT,    "vertical + left"               },
1708   { MV_VERTICAL   | MV_RIGHT,   "vertical + right"              },
1709   { MV_ALL_DIRECTIONS,          "all directions"                },
1710
1711   { -1,                         NULL                            }
1712 };
1713
1714 static struct ValueTextInfo options_walk_to_action[] =
1715 {
1716   { EP_DIGGABLE,                "diggable"                      },
1717   { EP_COLLECTIBLE_ONLY,        "collectible"                   },
1718   { EP_DROPPABLE,               "collectible & droppable"       },
1719   { EP_THROWABLE,               "collectible & throwable"       },
1720   { EP_PUSHABLE,                "pushable"                      },
1721
1722   { -1,                         NULL                            }
1723 };
1724
1725 static struct ValueTextInfo options_move_pattern[] =
1726 {
1727   { MV_LEFT,                    "left"                          },
1728   { MV_RIGHT,                   "right"                         },
1729   { MV_UP,                      "up"                            },
1730   { MV_DOWN,                    "down"                          },
1731   { MV_HORIZONTAL,              "horizontal"                    },
1732   { MV_VERTICAL,                "vertical"                      },
1733   { MV_ALL_DIRECTIONS,          "all directions"                },
1734   { MV_WIND_DIRECTION,          "wind direction"                },
1735   { MV_TOWARDS_PLAYER,          "towards player"                },
1736   { MV_AWAY_FROM_PLAYER,        "away from player"              },
1737   { MV_ALONG_LEFT_SIDE,         "along left side"               },
1738   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
1739   { MV_TURNING_LEFT,            "turning left"                  },
1740   { MV_TURNING_RIGHT,           "turning right"                 },
1741   { MV_TURNING_LEFT_RIGHT,      "turning left, right"           },
1742   { MV_TURNING_RIGHT_LEFT,      "turning right, left"           },
1743   { MV_TURNING_RANDOM,          "turning random"                },
1744   { MV_MAZE_RUNNER,             "maze runner style"             },
1745   { MV_MAZE_HUNTER,             "maze hunter style"             },
1746   { MV_WHEN_PUSHED,             "when pushed"                   },
1747   { MV_WHEN_DROPPED,            "when dropped/thrown"           },
1748
1749   { -1,                         NULL                            }
1750 };
1751
1752 static struct ValueTextInfo options_move_direction[] =
1753 {
1754   { MV_START_AUTOMATIC,         "automatic"                     },
1755   { MV_START_LEFT,              "left"                          },
1756   { MV_START_RIGHT,             "right"                         },
1757   { MV_START_UP,                "up"                            },
1758   { MV_START_DOWN,              "down"                          },
1759   { MV_START_RANDOM,            "random"                        },
1760   { MV_START_PREVIOUS,          "previous"                      },
1761
1762   { -1,                         NULL                            }
1763 };
1764
1765 static struct ValueTextInfo options_move_stepsize[] =
1766 {
1767   { 0,                          "not moving"                    },
1768   { 1,                          "very slow"                     },
1769   { 2,                          "slow"                          },
1770   { 4,                          "normal"                        },
1771   { 8,                          "fast"                          },
1772   { 16,                         "very fast"                     },
1773   { 32,                         "even faster"                   },
1774
1775   { -1,                         NULL                            }
1776 };
1777
1778 static struct ValueTextInfo options_move_leave_type[] =
1779 {
1780   { LEAVE_TYPE_UNLIMITED,       "leave behind"                  },
1781   { LEAVE_TYPE_LIMITED,         "change it to"                  },
1782
1783   { -1,                         NULL                            }
1784 };
1785
1786 static struct ValueTextInfo options_smash_targets[] =
1787 {
1788   { EP_CAN_SMASH_PLAYER,        "player"                        },
1789 #if 0
1790   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
1791 #endif
1792   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
1793
1794   { -1,                         NULL                            }
1795 };
1796
1797 static struct ValueTextInfo options_slippery_type[] =
1798 {
1799   { SLIPPERY_ANY_RANDOM,        "random"                        },
1800   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
1801   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
1802   { SLIPPERY_ONLY_LEFT,         "only left"                     },
1803   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
1804
1805   { -1,                         NULL                            }
1806 };
1807
1808 static struct ValueTextInfo options_deadliness[] =
1809 {
1810   { EP_DONT_RUN_INTO,           "running into"                  },
1811   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
1812   { EP_DONT_GET_HIT_BY,         "getting hit by"                },
1813   { EP_DONT_TOUCH,              "touching"                      },
1814
1815   { -1,                         NULL                            }
1816 };
1817
1818 static struct ValueTextInfo options_explosion_type[] =
1819 {
1820   { EXPLODES_3X3,               "3x3"                           },
1821   { EXPLODES_CROSS,             "3+3"                           },
1822   { EXPLODES_1X1,               "1x1"                           },
1823
1824   { -1,                         NULL                            }
1825 };
1826
1827 static struct ValueTextInfo options_time_units[] =
1828 {
1829   { 1,                          "frames"                        },
1830   { FRAMES_PER_SECOND,          "seconds"                       },
1831
1832   { -1,                         NULL                            }
1833 };
1834
1835 static struct ValueTextInfo options_change_direct_action[] =
1836 {
1837   { CE_TOUCHED_BY_PLAYER,       "touched by player"             },
1838   { CE_PRESSED_BY_PLAYER,       "pressed by player"             },
1839   { CE_SWITCHED_BY_PLAYER,      "switched by player"            },
1840   { CE_SNAPPED_BY_PLAYER,       "snapped by player"             },
1841   { CE_PUSHED_BY_PLAYER,        "pushed by player"              },
1842   { CE_ENTERED_BY_PLAYER,       "entered by player"             },
1843   { CE_LEFT_BY_PLAYER,          "left by player"                },
1844   { CE_DROPPED_BY_PLAYER,       "dropped/thrown by player"      },
1845   { CE_SWITCHED,                "switched"                      },
1846   { CE_HITTING_SOMETHING,       "hitting something"             },
1847   { CE_HIT_BY_SOMETHING,        "hit by something"              },
1848 #if 0
1849   { CE_BLOCKED,                 "blocked"                       },
1850 #endif
1851   { CE_IMPACT,                  "impact (on something)"         },
1852   { CE_SMASHED,                 "smashed (from above)"          },
1853 #if 0
1854   { CE_VALUE_CHANGES,           "CE value changes"              },
1855   { CE_SCORE_CHANGES,           "CE score changes"              },
1856 #endif
1857   { CE_VALUE_GETS_ZERO,         "CE value gets 0"               },
1858   { CE_SCORE_GETS_ZERO,         "CE score gets 0"               },
1859
1860   { -1,                         NULL                            }
1861 };
1862
1863 static struct ValueTextInfo options_change_other_action[] =
1864 {
1865   { CE_PLAYER_TOUCHES_X,        "player touches"                },
1866   { CE_PLAYER_PRESSES_X,        "player presses"                },
1867   { CE_PLAYER_SWITCHES_X,       "player switches"               },
1868   { CE_PLAYER_SNAPS_X,          "player snaps"                  },
1869   { CE_PLAYER_PUSHES_X,         "player pushes"                 },
1870   { CE_PLAYER_ENTERS_X,         "player enters"                 },
1871   { CE_PLAYER_LEAVES_X,         "player leaves"                 },
1872   { CE_PLAYER_DIGS_X,           "player digs"                   },
1873   { CE_PLAYER_COLLECTS_X,       "player collects"               },
1874   { CE_PLAYER_DROPS_X,          "player drops/throws"           },
1875   { CE_TOUCHING_X,              "touching"                      },
1876   { CE_HITTING_X,               "hitting"                       },
1877   { CE_DIGGING_X,               "digging"                       },
1878   { CE_HIT_BY_X,                "hit by"                        },
1879   { CE_SWITCH_OF_X,             "switch of"                     },
1880   { CE_CHANGE_OF_X,             "change by page of"             },
1881   { CE_EXPLOSION_OF_X,          "explosion of"                  },
1882   { CE_MOVE_OF_X,               "move of"                       },
1883   { CE_CREATION_OF_X,           "creation of"                   },
1884   { CE_VALUE_CHANGES_OF_X,      "CE value changes of"           },
1885   { CE_SCORE_CHANGES_OF_X,      "CE score changes of"           },
1886   { CE_VALUE_GETS_ZERO_OF_X,    "CE value gets 0 of"            },
1887   { CE_SCORE_GETS_ZERO_OF_X,    "CE score gets 0 of"            },
1888
1889   { -1,                         NULL                            }
1890 };
1891
1892 static struct ValueTextInfo options_change_trigger_side[] =
1893 {
1894   { CH_SIDE_LEFT,               "left"                          },
1895   { CH_SIDE_RIGHT,              "right"                         },
1896   { CH_SIDE_TOP,                "top"                           },
1897   { CH_SIDE_BOTTOM,             "bottom"                        },
1898   { CH_SIDE_LEFT_RIGHT,         "left/right"                    },
1899   { CH_SIDE_TOP_BOTTOM,         "top/bottom"                    },
1900   { CH_SIDE_ANY,                "any"                           },
1901
1902   { -1,                         NULL                            }
1903 };
1904
1905 static struct ValueTextInfo options_change_trigger_player[] =
1906 {
1907   { CH_PLAYER_1,                "1"                             },
1908   { CH_PLAYER_2,                "2"                             },
1909   { CH_PLAYER_3,                "3"                             },
1910   { CH_PLAYER_4,                "4"                             },
1911   { CH_PLAYER_ANY,              "any"                           },
1912
1913   { -1,                         NULL                            }
1914 };
1915
1916 static struct ValueTextInfo options_change_trigger_page[] =
1917 {
1918   { (1 << 0),                   "1"                             },
1919   { (1 << 1),                   "2"                             },
1920   { (1 << 2),                   "3"                             },
1921   { (1 << 3),                   "4"                             },
1922   { (1 << 4),                   "5"                             },
1923   { (1 << 5),                   "6"                             },
1924   { (1 << 6),                   "7"                             },
1925   { (1 << 7),                   "8"                             },
1926   { (1 << 8),                   "9"                             },
1927   { (1 << 9),                   "10"                            },
1928   { (1 << 10),                  "11"                            },
1929   { (1 << 11),                  "12"                            },
1930   { (1 << 12),                  "13"                            },
1931   { (1 << 13),                  "14"                            },
1932   { (1 << 14),                  "15"                            },
1933   { (1 << 15),                  "16"                            },
1934   { (1 << 16),                  "17"                            },
1935   { (1 << 17),                  "18"                            },
1936   { (1 << 18),                  "19"                            },
1937   { (1 << 19),                  "20"                            },
1938   { (1 << 20),                  "21"                            },
1939   { (1 << 21),                  "22"                            },
1940   { (1 << 22),                  "23"                            },
1941   { (1 << 23),                  "24"                            },
1942   { (1 << 24),                  "25"                            },
1943   { (1 << 25),                  "26"                            },
1944   { (1 << 26),                  "27"                            },
1945   { (1 << 27),                  "28"                            },
1946   { (1 << 28),                  "29"                            },
1947   { (1 << 29),                  "30"                            },
1948   { (1 << 30),                  "31"                            },
1949   { (1 << 31),                  "32"                            },
1950   { CH_PAGE_ANY,                "any"                           },
1951
1952   { -1,                         NULL                            }
1953 };
1954
1955 static struct ValueTextInfo options_change_replace_when[] =
1956 {
1957   { CP_WHEN_EMPTY,              "empty"                         },
1958   { CP_WHEN_WALKABLE,           "walkable"                      },
1959   { CP_WHEN_DIGGABLE,           "diggable"                      },
1960   { CP_WHEN_COLLECTIBLE,        "collectible"                   },
1961   { CP_WHEN_REMOVABLE,          "removable"                     },
1962   { CP_WHEN_DESTRUCTIBLE,       "destructible"                  },
1963
1964   { -1,                         NULL                            }
1965 };
1966
1967 static struct ValueTextInfo options_action_type[] =
1968 {
1969   { CA_NO_ACTION,               "no action"                     },
1970   { CA_UNDEFINED,               " "                             },
1971   { CA_HEADLINE_LEVEL_ACTIONS,  "[level]"                       },
1972   { CA_RESTART_LEVEL,           "restart level"                 },
1973   { CA_SHOW_ENVELOPE,           "show envelope"                 },
1974   { CA_SET_LEVEL_TIME,          "set time"                      },
1975   { CA_SET_LEVEL_SCORE,         "set score"                     },
1976   { CA_SET_LEVEL_GEMS,          "set gems"                      },
1977   { CA_SET_LEVEL_WIND,          "set wind dir."                 },
1978   { CA_SET_LEVEL_RANDOM_SEED,   "set rand. seed"                },
1979   { CA_UNDEFINED,               " "                             },
1980   { CA_HEADLINE_PLAYER_ACTIONS, "[player]"                      },
1981   { CA_MOVE_PLAYER,             "move player"                   },
1982   { CA_EXIT_PLAYER,             "exit player"                   },
1983   { CA_KILL_PLAYER,             "kill player"                   },
1984   { CA_SET_PLAYER_KEYS,         "set keys"                      },
1985   { CA_SET_PLAYER_SPEED,        "set speed"                     },
1986   { CA_SET_PLAYER_SHIELD,       "set shield"                    },
1987   { CA_SET_PLAYER_GRAVITY,      "set gravity"                   },
1988   { CA_SET_PLAYER_ARTWORK,      "set artwork"                   },
1989   { CA_SET_PLAYER_INVENTORY,    "set inventory"                 },
1990   { CA_UNDEFINED,               " "                             },
1991   { CA_HEADLINE_CE_ACTIONS,     "[CE]"                          },
1992   { CA_SET_CE_VALUE,            "set CE value"                  },
1993   { CA_SET_CE_SCORE,            "set CE score"                  },
1994   { CA_SET_CE_ARTWORK,          "set CE artwork"                },
1995   { CA_UNDEFINED,               " "                             },
1996   { CA_HEADLINE_ENGINE_ACTIONS, "[engine]"                      },
1997   { CA_SET_ENGINE_SCAN_MODE,    "set scan mode"                 },
1998
1999   { -1,                         NULL                            }
2000 };
2001
2002 static struct ValueTextInfo options_action_mode_none[] =
2003 {
2004   { CA_MODE_UNDEFINED,          " "                             },
2005
2006   { -1,                         NULL                            }
2007 };
2008
2009 static struct ValueTextInfo options_action_mode_assign[] =
2010 {
2011   { CA_MODE_SET,                "="                             },
2012
2013   { -1,                         NULL                            }
2014 };
2015
2016 static struct ValueTextInfo options_action_mode_add_remove[] =
2017 {
2018   { CA_MODE_ADD,                "+"                             },
2019   { CA_MODE_SUBTRACT,           "-"                             },
2020
2021   { -1,                         NULL                            }
2022 };
2023
2024 static struct ValueTextInfo options_action_mode_calculate[] =
2025 {
2026   { CA_MODE_SET,                "="                             },
2027   { CA_MODE_ADD,                "+"                             },
2028   { CA_MODE_SUBTRACT,           "-"                             },
2029   { CA_MODE_MULTIPLY,           "*"                             },
2030   { CA_MODE_DIVIDE,             "/"                             },
2031   { CA_MODE_MODULO,             "%"                             },
2032
2033   { -1,                         NULL                            }
2034 };
2035
2036 static struct ValueTextInfo options_action_arg_none[] =
2037 {
2038   { CA_ARG_UNDEFINED,           "         "                     },
2039
2040   { -1,                         NULL                            }
2041 };
2042
2043 static struct ValueTextInfo options_action_arg_player[] =
2044 {
2045   { CA_ARG_PLAYER_HEADLINE,     "[player]"                      },
2046   { CA_ARG_PLAYER_1,            "1"                             },
2047   { CA_ARG_PLAYER_2,            "2"                             },
2048   { CA_ARG_PLAYER_3,            "3"                             },
2049   { CA_ARG_PLAYER_4,            "4"                             },
2050   { CA_ARG_PLAYER_ANY,          "any"                           },
2051   { CA_ARG_PLAYER_TRIGGER,      "trigger"                       },
2052   { CA_ARG_PLAYER_ACTION,       "action ->"                     },
2053
2054   { -1,                         NULL                            }
2055 };
2056
2057 static struct ValueTextInfo options_action_arg_number[] =
2058 {
2059   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2060   { CA_ARG_0,                   "0"                             },
2061   { CA_ARG_1,                   "1"                             },
2062   { CA_ARG_2,                   "2"                             },
2063   { CA_ARG_3,                   "3"                             },
2064   { CA_ARG_4,                   "4"                             },
2065   { CA_ARG_5,                   "5"                             },
2066   { CA_ARG_10,                  "10"                            },
2067   { CA_ARG_100,                 "100"                           },
2068   { CA_ARG_1000,                "1000"                          },
2069   { CA_ARG_UNDEFINED,           " "                             },
2070   { CA_ARG_NUMBER_MIN,          "min"                           },
2071   { CA_ARG_NUMBER_MAX,          "max"                           },
2072   { CA_ARG_UNDEFINED,           " "                             },
2073   { CA_ARG_NUMBER_RESET,        "reset"                         },
2074   { CA_ARG_UNDEFINED,           " "                             },
2075   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2076   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2077   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2078   { CA_ARG_UNDEFINED,           " "                             },
2079   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2080   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2081   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2082   { CA_ARG_UNDEFINED,           " "                             },
2083   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2084   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2085   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2086   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2087   { CA_ARG_UNDEFINED,           " "                             },
2088   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2089   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2090   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2091   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2092
2093   { -1,                         NULL                            }
2094 };
2095
2096 static struct ValueTextInfo options_action_arg_value[] =
2097 {
2098   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2099   { CA_ARG_0,                   "0"                             },
2100   { CA_ARG_1,                   "1"                             },
2101   { CA_ARG_2,                   "2"                             },
2102   { CA_ARG_3,                   "3"                             },
2103   { CA_ARG_4,                   "4"                             },
2104   { CA_ARG_5,                   "5"                             },
2105   { CA_ARG_10,                  "10"                            },
2106   { CA_ARG_100,                 "100"                           },
2107   { CA_ARG_1000,                "1000"                          },
2108   { CA_ARG_UNDEFINED,           " "                             },
2109   { CA_ARG_NUMBER_MIN,          "min"                           },
2110   { CA_ARG_NUMBER_MAX,          "max"                           },
2111   { CA_ARG_UNDEFINED,           " "                             },
2112   { CA_ARG_NUMBER_RESET,        "reset"                         },
2113   { CA_ARG_UNDEFINED,           " "                             },
2114   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2115   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2116   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2117   { CA_ARG_UNDEFINED,           " "                             },
2118   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2119   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2120   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2121   { CA_ARG_UNDEFINED,           " "                             },
2122   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2123   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2124   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2125   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2126   { CA_ARG_UNDEFINED,           " "                             },
2127   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2128   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2129   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2130   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2131   { CA_ARG_UNDEFINED,           " "                             },
2132   { CA_ARG_ELEMENT_NR_HEADLINE, "[element]"                     },
2133   { CA_ARG_ELEMENT_NR_TARGET,   "target"                        },
2134   { CA_ARG_ELEMENT_NR_TRIGGER,  "trigger"                       },
2135   { CA_ARG_ELEMENT_NR_ACTION,   "action ->"                     },
2136
2137   { -1,                         NULL                            }
2138 };
2139
2140 static struct ValueTextInfo options_action_arg_envelope[] =
2141 {
2142   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2143   { CA_ARG_1,                   "1"                             },
2144   { CA_ARG_2,                   "2"                             },
2145   { CA_ARG_3,                   "3"                             },
2146   { CA_ARG_4,                   "4"                             },
2147   { CA_ARG_UNDEFINED,           " "                             },
2148   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2149   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2150   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2151   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2152
2153   { -1,                         NULL                            }
2154 };
2155
2156 static struct ValueTextInfo options_action_arg_key[] =
2157 {
2158   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2159   { CA_ARG_1,                   "1"                             },
2160   { CA_ARG_2,                   "2"                             },
2161   { CA_ARG_3,                   "3"                             },
2162   { CA_ARG_4,                   "4"                             },
2163   { CA_ARG_5,                   "5"                             },
2164   { CA_ARG_6,                   "6"                             },
2165   { CA_ARG_7,                   "7"                             },
2166   { CA_ARG_8,                   "8"                             },
2167   { CA_ARG_UNDEFINED,           " "                             },
2168   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2169   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2170   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2171   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2172
2173   { -1,                         NULL                            }
2174 };
2175
2176 static struct ValueTextInfo options_action_arg_speed[] =
2177 {
2178   { CA_ARG_SPEED_HEADLINE,      "[speed]"                       },
2179   { CA_ARG_SPEED_NOT_MOVING,    "frozen"                        },
2180   { CA_ARG_SPEED_VERY_SLOW,     "very slow"                     },
2181   { CA_ARG_SPEED_SLOW,          "slow"                          },
2182   { CA_ARG_SPEED_NORMAL,        "normal"                        },
2183   { CA_ARG_SPEED_FAST,          "fast"                          },
2184   { CA_ARG_SPEED_VERY_FAST,     "very fast"                     },
2185   { CA_ARG_SPEED_EVEN_FASTER,   "ultrafast"                     },
2186   { CA_ARG_UNDEFINED,           " "                             },
2187   { CA_ARG_SPEED_SLOWER,        "slower"                        },
2188   { CA_ARG_SPEED_FASTER,        "faster"                        },
2189   { CA_ARG_UNDEFINED,           " "                             },
2190   { CA_ARG_SPEED_RESET,         "reset"                         },
2191
2192   { -1,                         NULL                            }
2193 };
2194
2195 static struct ValueTextInfo options_action_arg_shield[] =
2196 {
2197   { CA_ARG_SHIELD_HEADLINE,     "[shield]"                      },
2198   { CA_ARG_SHIELD_OFF,          "off"                           },
2199   { CA_ARG_SHIELD_NORMAL,       "normal"                        },
2200   { CA_ARG_SHIELD_DEADLY,       "deadly"                        },
2201
2202   { -1,                         NULL                            }
2203 };
2204
2205 static struct ValueTextInfo options_action_arg_artwork[] =
2206 {
2207   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2208   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2209   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2210   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2211   { CA_ARG_UNDEFINED,           " "                             },
2212   { CA_ARG_ELEMENT_RESET,       "reset"                         },
2213
2214   { -1,                         NULL                            }
2215 };
2216
2217 static struct ValueTextInfo options_action_arg_gravity[] =
2218 {
2219   { CA_ARG_GRAVITY_HEADLINE,    "[gravity]"                     },
2220   { CA_ARG_GRAVITY_ON,          "on"                            },
2221   { CA_ARG_GRAVITY_OFF,         "off"                           },
2222   { CA_ARG_GRAVITY_TOGGLE,      "toggle"                        },
2223
2224   { -1,                         NULL                            }
2225 };
2226
2227 static struct ValueTextInfo options_action_arg_direction[] =
2228 {
2229   { CA_ARG_DIRECTION_HEADLINE,  "[dir.]"                        },
2230   { CA_ARG_DIRECTION_NONE,      "none"                          },
2231   { CA_ARG_DIRECTION_LEFT,      "left"                          },
2232   { CA_ARG_DIRECTION_RIGHT,     "right"                         },
2233   { CA_ARG_DIRECTION_UP,        "up"                            },
2234   { CA_ARG_DIRECTION_DOWN,      "down"                          },
2235   { CA_ARG_DIRECTION_TRIGGER,   "trigger"                       },
2236   { CA_ARG_DIRECTION_TRIGGER_BACK, "-trigger"                   },
2237
2238   { -1,                         NULL                            }
2239 };
2240
2241 static struct ValueTextInfo options_action_arg_scan_mode[] =
2242 {
2243   { CA_ARG_SCAN_MODE_HEADLINE,  "[mode]"                        },
2244   { CA_ARG_SCAN_MODE_NORMAL,    "normal"                        },
2245   { CA_ARG_SCAN_MODE_REVERSE,   "reverse"                       },
2246
2247   { -1,                         NULL                            }
2248 };
2249
2250 static struct ValueTextInfo options_action_arg_inventory[] =
2251 {
2252   { CA_ARG_INVENTORY_HEADLINE,  "[add]"                         },
2253   { CA_ARG_ELEMENT_TARGET,      "+ target"                      },
2254   { CA_ARG_ELEMENT_TRIGGER,     "+ trigger"                     },
2255   { CA_ARG_ELEMENT_ACTION,      "+ action"                      },
2256   { CA_ARG_UNDEFINED,           " "                             },
2257   { CA_ARG_INVENTORY_RM_HEADLINE,"[remove]"                     },
2258   { CA_ARG_INVENTORY_RM_TARGET, "- target"                      },
2259   { CA_ARG_INVENTORY_RM_TRIGGER,"- trigger"                     },
2260   { CA_ARG_INVENTORY_RM_ACTION, "- action"                      },
2261   { CA_ARG_INVENTORY_RM_FIRST,  "- first"                       },
2262   { CA_ARG_INVENTORY_RM_LAST,   "- last"                        },
2263   { CA_ARG_INVENTORY_RM_ALL,    "- all"                         },
2264   { CA_ARG_UNDEFINED,           " "                             },
2265   { CA_ARG_INVENTORY_RESET,     "reset"                         },
2266
2267   { -1,                         NULL                            }
2268 };
2269
2270 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
2271 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
2272 {
2273   { -1,                         NULL                            }
2274 };
2275
2276 static struct ValueTextInfo options_group_choice_mode[] =
2277 {
2278   { ANIM_RANDOM,                "random"                        },
2279   { ANIM_LOOP,                  "loop"                          },
2280   { ANIM_LINEAR,                "linear"                        },
2281   { ANIM_PINGPONG,              "pingpong"                      },
2282   { ANIM_PINGPONG2,             "pingpong 2"                    },
2283
2284   { -1,                         NULL                            }
2285 };
2286
2287 static struct ValueTextInfo *action_arg_modes[] =
2288 {
2289   options_action_mode_none,
2290   options_action_mode_assign,
2291   options_action_mode_add_remove,
2292   options_action_mode_calculate,
2293 };
2294
2295 static struct
2296 {
2297   int value;
2298   int mode;
2299   struct ValueTextInfo *options;
2300 }
2301 action_arg_options[] =
2302 {
2303   { CA_NO_ACTION,               0,      options_action_arg_none,        },
2304   { CA_EXIT_PLAYER,             0,      options_action_arg_player,      },
2305   { CA_KILL_PLAYER,             0,      options_action_arg_player,      },
2306   { CA_MOVE_PLAYER,             0,      options_action_arg_direction,   },
2307   { CA_RESTART_LEVEL,           0,      options_action_arg_none,        },
2308   { CA_SHOW_ENVELOPE,           0,      options_action_arg_envelope,    },
2309   { CA_SET_LEVEL_TIME,          3,      options_action_arg_number,      },
2310   { CA_SET_LEVEL_GEMS,          3,      options_action_arg_number,      },
2311   { CA_SET_LEVEL_SCORE,         3,      options_action_arg_number,      },
2312   { CA_SET_LEVEL_WIND,          1,      options_action_arg_direction,   },
2313   { CA_SET_LEVEL_RANDOM_SEED,   1,      options_action_arg_number,      },
2314   { CA_SET_PLAYER_KEYS,         2,      options_action_arg_key,         },
2315   { CA_SET_PLAYER_SPEED,        1,      options_action_arg_speed,       },
2316   { CA_SET_PLAYER_SHIELD,       1,      options_action_arg_shield,      },
2317   { CA_SET_PLAYER_GRAVITY,      1,      options_action_arg_gravity,     },
2318   { CA_SET_PLAYER_ARTWORK,      1,      options_action_arg_artwork,     },
2319   { CA_SET_PLAYER_INVENTORY,    0,      options_action_arg_inventory,   },
2320   { CA_SET_CE_VALUE,            3,      options_action_arg_value,       },
2321   { CA_SET_CE_SCORE,            3,      options_action_arg_value,       },
2322   { CA_SET_CE_ARTWORK,          1,      options_action_arg_artwork,     },
2323   { CA_SET_ENGINE_SCAN_MODE,    1,      options_action_arg_scan_mode,   },
2324
2325   { -1,                         FALSE,  NULL                            }
2326 };
2327
2328 static struct
2329 {
2330   int x, y;
2331   int gadget_id;
2332   int gadget_id_align;
2333   int size;     /* char size of selectbox or '-1' (dynamically determined) */
2334   struct ValueTextInfo *options;
2335   int *value;
2336   char *text_left, *text_right, *infotext;
2337 } selectbox_info[ED_NUM_SELECTBOX] =
2338 {
2339   /* ---------- level and editor settings ---------------------------------- */
2340
2341   {
2342     -1,                                 ED_LEVEL_SETTINGS_YPOS(8),
2343     GADGET_ID_TIME_OR_STEPS,            GADGET_ID_LEVEL_TIMELIMIT_UP,
2344     -1,
2345     options_time_or_steps,
2346     &level.use_step_counter,
2347     NULL, "(0 => no limit)",            "time or step limit"
2348   },
2349   {
2350     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(11),
2351     GADGET_ID_GAME_ENGINE_TYPE,         GADGET_ID_NONE,
2352     -1,
2353     options_game_engine_type,
2354     &level.game_engine_type,
2355     "game engine:", NULL,               "game engine"
2356   },
2357
2358   /* ---------- element settings: configure (several elements) ------------- */
2359
2360   {
2361     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2362     GADGET_ID_WIND_DIRECTION,           GADGET_ID_NONE,
2363     -1,
2364     options_wind_direction,
2365     &level.wind_direction_initial,
2366     "initial wind direction:", NULL,    "initial wind direction"
2367   },
2368   {
2369     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2370     GADGET_ID_PLAYER_SPEED,             GADGET_ID_NONE,
2371     -1,
2372     options_player_speed,
2373     &level.initial_player_stepsize[0],
2374     "initial player speed:", NULL,      "initial player speed"
2375   },
2376
2377   /* ---------- element settings: configure 1 (custom elements) ------------ */
2378
2379   {
2380     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2381     GADGET_ID_CUSTOM_ACCESS_TYPE,       GADGET_ID_NONE,
2382     -1,
2383     options_access_type,
2384     &custom_element.access_type,
2385     NULL, NULL,                         "type of access to this field"
2386   },
2387   {
2388     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2389     GADGET_ID_CUSTOM_ACCESS_LAYER,      GADGET_ID_CUSTOM_ACCESS_TYPE,
2390     -1,
2391     options_access_layer,
2392     &custom_element.access_layer,
2393     NULL, NULL,                         "layer of access for this field"
2394   },
2395   {
2396     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2397     GADGET_ID_CUSTOM_ACCESS_PROTECTED,  GADGET_ID_CUSTOM_ACCESS_LAYER,
2398     -1,
2399     options_access_protected,
2400     &custom_element.access_protected,
2401     NULL, NULL,                         "protected access for this field"
2402   },
2403   {
2404     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2405     GADGET_ID_CUSTOM_ACCESS_DIRECTION,  GADGET_ID_NONE,
2406     -1,
2407     options_access_direction,
2408     &custom_element.access_direction,
2409     "from", NULL,                       "access direction for this field"
2410   },
2411   {
2412     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2413     GADGET_ID_CUSTOM_WALK_TO_ACTION,    GADGET_ID_NONE,
2414     -1,
2415     options_walk_to_action,
2416     &custom_element.walk_to_action,
2417     NULL, NULL,                         "diggable/collectible/pushable"
2418   },
2419
2420   /* ---------- element settings: configure 2 (custom elements) ------------ */
2421
2422   {
2423     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(1),
2424     GADGET_ID_CUSTOM_MOVE_PATTERN,      GADGET_ID_NONE,
2425     -1,
2426     options_move_pattern,
2427     &custom_element.move_pattern,
2428     "can move", NULL,                   "element move pattern"
2429   },
2430   {
2431     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2432     GADGET_ID_CUSTOM_MOVE_DIRECTION,    GADGET_ID_NONE,
2433     -1,
2434     options_move_direction,
2435     &custom_element.move_direction_initial,
2436     "starts moving", NULL,              "initial element move direction"
2437   },
2438   {
2439     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2440     GADGET_ID_CUSTOM_MOVE_STEPSIZE,     GADGET_ID_NONE,
2441     -1,
2442     options_move_stepsize,
2443     &custom_element.move_stepsize,
2444     "move/fall speed", NULL,            "speed of element movement"
2445   },
2446   {
2447     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2448     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,   GADGET_ID_NONE,
2449     -1,
2450     options_move_leave_type,
2451     &custom_element.move_leave_type,
2452     // left text with leading spaces to place gadget next to "can dig" gadget
2453     // (needed because drawing area gadgets created after selectbox gadgets)
2454     // "can dig:    can", ":",          "leave behind or change element"
2455     "            can", ":",             "leave behind or change element"
2456   },
2457   {
2458     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
2459     GADGET_ID_CUSTOM_SMASH_TARGETS,     GADGET_ID_CUSTOM_CAN_SMASH,
2460     -1,
2461     options_smash_targets,
2462     &custom_element.smash_targets,
2463     "can smash", NULL,                  "elements that can be smashed"
2464   },
2465   {
2466     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
2467     GADGET_ID_CUSTOM_SLIPPERY_TYPE,     GADGET_ID_NONE,
2468     -1,
2469     options_slippery_type,
2470     &custom_element.slippery_type,
2471     "slippery", NULL,                   "where other elements fall down"
2472   },
2473   {
2474     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
2475     GADGET_ID_CUSTOM_DEADLINESS,        GADGET_ID_NONE,
2476     -1,
2477     options_deadliness,
2478     &custom_element.deadliness,
2479     "deadly when", NULL,                "deadliness of element"
2480   },
2481   {
2482     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(10),
2483     GADGET_ID_CUSTOM_EXPLOSION_TYPE,    GADGET_ID_NONE,
2484     -1,
2485     options_explosion_type,
2486     &custom_element.explosion_type,
2487     "can explode", NULL,                "explosion type"
2488   },
2489
2490   /* ---------- element settings: advanced (custom elements) --------------- */
2491
2492   {
2493     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(3),
2494     GADGET_ID_CHANGE_TIME_UNITS,        GADGET_ID_NONE,
2495     -1,
2496     options_time_units,
2497     &custom_element_change.delay_frames,
2498     "delay time given in", NULL,        "delay time units for change"
2499   },
2500   {
2501     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(4),
2502     GADGET_ID_CHANGE_DIRECT_ACTION,     GADGET_ID_NONE,
2503     -1,
2504     options_change_direct_action,
2505     &custom_element_change.direct_action,
2506     NULL, NULL,                         "type of direct action"
2507   },
2508   {
2509     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(5),
2510     GADGET_ID_CHANGE_OTHER_ACTION,      GADGET_ID_NONE,
2511     -1,
2512     options_change_other_action,
2513     &custom_element_change.other_action,
2514     NULL, "element:",                   "type of other element action"
2515   },
2516   {
2517     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(6),
2518     GADGET_ID_CHANGE_SIDE,              GADGET_ID_NONE,
2519     -1,
2520     options_change_trigger_side,
2521     &custom_element_change.trigger_side,
2522     "at", "side",                       "element side triggering change"
2523   },
2524   {
2525     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2526     GADGET_ID_CHANGE_PLAYER,            GADGET_ID_NONE,
2527     -1,
2528     options_change_trigger_player,
2529     &custom_element_change.trigger_player,
2530     "player:", " ",                     "player that causes change"
2531   },
2532   {
2533     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2534     GADGET_ID_CHANGE_PAGE,              GADGET_ID_CHANGE_PLAYER,
2535     -1,
2536     options_change_trigger_page,
2537     &custom_element_change.trigger_page,
2538     "page:", NULL,                      "change page that causes change"
2539   },
2540   {
2541     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(10),
2542     GADGET_ID_CHANGE_REPLACE_WHEN,      GADGET_ID_NONE,
2543     -1,
2544     options_change_replace_when,
2545     &custom_element_change.replace_when,
2546     "replace when", NULL,               "which elements can be replaced"
2547   },
2548   {
2549     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
2550     GADGET_ID_ACTION_TYPE,              GADGET_ID_NONE,
2551     -1,
2552     options_action_type,
2553     &custom_element_change.action_type,
2554     NULL, NULL,                         "action on specified condition"
2555   },
2556   {
2557     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2558     GADGET_ID_ACTION_MODE,              GADGET_ID_ACTION_TYPE,
2559     -1,
2560     options_action_mode_none,
2561     &custom_element_change.action_mode,
2562     NULL, NULL,                         "action operator"
2563   },
2564   {
2565     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2566     GADGET_ID_ACTION_ARG,               GADGET_ID_ACTION_MODE,
2567     -1,
2568     options_action_arg_none,
2569     &custom_element_change.action_arg,
2570     NULL, NULL,                         "action parameter"
2571   },
2572   {
2573     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
2574     GADGET_ID_SELECT_CHANGE_PAGE,       GADGET_ID_NONE,
2575     3,
2576     options_change_page,
2577     &custom_element.current_change_page,
2578     NULL, NULL,                         "element change page"
2579   },
2580
2581   /* ---------- element settings: configure (group elements) --------------- */
2582
2583   {
2584     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2585     GADGET_ID_GROUP_CHOICE_MODE,        GADGET_ID_NONE,
2586     -1,
2587     options_group_choice_mode,
2588     &group_element_info.choice_mode,
2589     "choice type:", NULL,               "type of group element choice"
2590   },
2591 };
2592
2593 static struct
2594 {
2595   int x, y;
2596   int gadget_id;
2597   int gadget_id_align;
2598   int size;
2599   char *text;
2600   char *text_above, *text_left, *text_right, *infotext;
2601 } textbutton_info[ED_NUM_TEXTBUTTONS] =
2602 {
2603   /* ---------- level and editor settings (tabs) --------------------------- */
2604
2605   {
2606     ED_LEVEL_TABS_XPOS(0),              ED_LEVEL_TABS_YPOS(0),
2607     GADGET_ID_LEVELINFO_LEVEL,          GADGET_ID_NONE,
2608     8,                                  "Level",
2609     NULL, NULL, NULL,                   "Configure level properties"
2610   },
2611   {
2612     -1,                                 -1,
2613     GADGET_ID_LEVELINFO_EDITOR,         GADGET_ID_LEVELINFO_LEVEL,
2614     8,                                  "Editor",
2615     NULL, NULL, NULL,                   "Configure editor properties"
2616   },
2617
2618   /* ---------- element settings (tabs) ------------------------------------ */
2619
2620   {
2621     ED_ELEMENT_TABS_XPOS(0),            ED_ELEMENT_TABS_YPOS(0),
2622     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
2623     8,                                  "Info",
2624     NULL, NULL, NULL,                   "Show information about element"
2625   },
2626   {
2627     -1,                                 -1,
2628     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_PROPERTIES_INFO,
2629     8,                                  "Config",
2630     NULL, NULL, NULL,                   "Configure element properties"
2631   },
2632   {
2633     -1,                                 -1,
2634     GADGET_ID_PROPERTIES_CONFIG_1,      GADGET_ID_PROPERTIES_INFO,
2635     8,                                  "Config 1",
2636     NULL, NULL, NULL,                   "Configure element properties, part 1"
2637   },
2638   {
2639     -1,                                 -1,
2640     GADGET_ID_PROPERTIES_CONFIG_2,      GADGET_ID_PROPERTIES_CONFIG_1,
2641     8,                                  "Config 2",
2642     NULL, NULL, NULL,                   "Configure element properties, part 2"
2643   },
2644   {
2645     -1,                                 -1,
2646     GADGET_ID_PROPERTIES_CHANGE,        GADGET_ID_PROPERTIES_CONFIG_2,
2647     8,                                  "Change",
2648     NULL, NULL, NULL,                   "Configure custom element change pages"
2649   },
2650
2651   /* ---------- level and editor settings (buttons) ------------------------ */
2652
2653   {
2654     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
2655     GADGET_ID_SAVE_AS_TEMPLATE_2,       GADGET_ID_NONE,
2656     -1,                                 "Save",
2657     NULL, NULL,                         "this level as level template",
2658     "Save current settings as new template"
2659   },
2660
2661   /* ---------- element settings (buttons) --------------------------------- */
2662
2663   {
2664     -1,                                 -1,
2665     GADGET_ID_SAVE_AS_TEMPLATE_1,       GADGET_ID_CUSTOM_USE_TEMPLATE_1,
2666     -1,                                 "Save",
2667     NULL, " ",                          "As Template",
2668     "Save current settings as new template"
2669   },
2670   {
2671     -1,                                 -1,
2672     GADGET_ID_ADD_CHANGE_PAGE,          GADGET_ID_PASTE_CHANGE_PAGE,
2673     -1,                                 "New",
2674     NULL, NULL, NULL,                   "Add new change page"
2675   },
2676   {
2677     -1,                                 -1,
2678     GADGET_ID_DEL_CHANGE_PAGE,          GADGET_ID_ADD_CHANGE_PAGE,
2679     -1,                                 "Delete",
2680     NULL, NULL, NULL,                   "Delete current change page"
2681   },
2682 };
2683
2684 static struct
2685 {
2686   int graphic;
2687   int x, y;
2688   int gadget_id;
2689   int gadget_id_align;
2690   char *text_left, *text_right, *infotext;
2691 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
2692 {
2693   {
2694     IMG_EDITOR_COUNTER_DOWN,
2695     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
2696     GADGET_ID_PREV_CHANGE_PAGE,         GADGET_ID_NONE,
2697     NULL, NULL,                         "select previous change page"
2698   },
2699   {
2700     IMG_EDITOR_COUNTER_UP,
2701     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2702     GADGET_ID_NEXT_CHANGE_PAGE,         GADGET_ID_SELECT_CHANGE_PAGE,
2703     NULL, "change page",                "select next change page"
2704   },
2705   {
2706     IMG_GFX_EDITOR_BUTTON_CP_COPY,
2707     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2708     GADGET_ID_COPY_CHANGE_PAGE,         GADGET_ID_NEXT_CHANGE_PAGE,
2709     " ", NULL,                          "copy settings from this change page"
2710   },
2711   {
2712     IMG_GFX_EDITOR_BUTTON_CP_PASTE,
2713     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2714     GADGET_ID_PASTE_CHANGE_PAGE,        GADGET_ID_COPY_CHANGE_PAGE,
2715     NULL, NULL,                         "paste settings to this change page"
2716   },
2717 };
2718
2719 static struct
2720 {
2721   int x, y;
2722 } scrollbutton_pos[ED_NUM_SCROLLBUTTONS];
2723
2724 static struct
2725 {
2726   int graphic;
2727   int gadget_id;
2728   char *infotext;
2729 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
2730 {
2731   {
2732     IMG_EDITOR_PLAYFIELD_SCROLL_UP,
2733     GADGET_ID_SCROLL_UP,
2734     "scroll level editing area up"
2735   },
2736   {
2737     IMG_EDITOR_PLAYFIELD_SCROLL_DOWN,
2738     GADGET_ID_SCROLL_DOWN,
2739     "scroll level editing area down"
2740   },
2741   {
2742     IMG_EDITOR_PLAYFIELD_SCROLL_LEFT,
2743     GADGET_ID_SCROLL_LEFT,
2744     "scroll level editing area left"
2745   },
2746   {
2747     IMG_EDITOR_PLAYFIELD_SCROLL_RIGHT,
2748     GADGET_ID_SCROLL_RIGHT,
2749     "scroll level editing area right"
2750   },
2751   {
2752     IMG_EDITOR_PALETTE_SCROLL_UP,
2753     GADGET_ID_SCROLL_LIST_UP,
2754     "scroll element list up ('Page Up')"
2755   },
2756   {
2757     IMG_EDITOR_PALETTE_SCROLL_DOWN,
2758     GADGET_ID_SCROLL_LIST_DOWN,
2759     "scroll element list down ('Page Down')"
2760   },
2761 };
2762
2763 static struct
2764 {
2765   int x, y;
2766   int width, height;
2767   int wheel_x, wheel_y;
2768   int wheel_width, wheel_height;
2769 } scrollbar_pos[ED_NUM_SCROLLBARS];
2770
2771 static struct
2772 {
2773   int graphic;
2774   int type;
2775   int gadget_id;
2776   char *infotext;
2777 } scrollbar_info[ED_NUM_SCROLLBARS] =
2778 {
2779   {
2780     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
2781     GD_TYPE_SCROLLBAR_HORIZONTAL,
2782     GADGET_ID_SCROLL_HORIZONTAL,
2783     "scroll level editing area horizontally"
2784   },
2785   {
2786     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
2787     GD_TYPE_SCROLLBAR_VERTICAL,
2788     GADGET_ID_SCROLL_VERTICAL,
2789     "scroll level editing area vertically"
2790   },
2791   {
2792     IMG_EDITOR_PALETTE_SCROLLBAR,
2793     GD_TYPE_SCROLLBAR_VERTICAL,
2794     GADGET_ID_SCROLL_LIST_VERTICAL,
2795     "scroll element list vertically"
2796   }
2797 };
2798
2799
2800 static struct
2801 {
2802   int x, y;
2803   int gadget_id;
2804   int gadget_id_align;
2805   int radio_button_nr;
2806   int *value;
2807   int checked_value;
2808   char *text_left, *text_right, *infotext;
2809 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
2810 {
2811   {
2812     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
2813     GADGET_ID_RANDOM_PERCENTAGE,        GADGET_ID_LEVEL_RANDOM_UP,
2814     RADIO_NR_RANDOM_ELEMENTS,
2815     &random_placement_method,           RANDOM_USE_PERCENTAGE,
2816     " ", "percentage",                  "use percentage for random elements"
2817   },
2818   {
2819     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
2820     GADGET_ID_RANDOM_QUANTITY,          GADGET_ID_RANDOM_PERCENTAGE,
2821     RADIO_NR_RANDOM_ELEMENTS,
2822     &random_placement_method,           RANDOM_USE_QUANTITY,
2823     " ", "quantity",                    "use quantity for random elements"
2824   }
2825 };
2826
2827 static struct
2828 {
2829   int x, y;
2830   int gadget_id;
2831   int gadget_id_align;
2832   boolean *value;
2833   char *text_above, *text_left, *text_right, *infotext;
2834 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
2835 {
2836   /* ---------- level and editor settings ---------------------------------- */
2837
2838   {
2839     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
2840     GADGET_ID_AUTO_COUNT_GEMS,          GADGET_ID_NONE,
2841     &level.auto_count_gems,
2842     NULL, NULL,
2843     "automatically count gems needed",  "set counter to number of gems"
2844   },
2845   {
2846     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
2847     GADGET_ID_RANDOM_RESTRICTED,        GADGET_ID_NONE,
2848     &random_placement_background_restricted,
2849     NULL, NULL,
2850     "restrict random placement to:",    "set random placement restriction"
2851   },
2852   {
2853     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
2854     GADGET_ID_CUSTOM_USE_TEMPLATE_3,    GADGET_ID_NONE,
2855     &setup.editor.use_template_for_new_levels,
2856     "Template for new levels and CE/GE:", NULL,
2857     "use template for new levels",      "use template for level properties"
2858   },
2859   {
2860     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
2861     GADGET_ID_CUSTOM_USE_TEMPLATE_2,    GADGET_ID_NONE,
2862     &level.use_custom_template,
2863     NULL, NULL,
2864     "use template for custom elements", "use template for custom properties"
2865   },
2866
2867   /* ---------- element settings: configure (various elements) ------------- */
2868
2869   {
2870     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2871     GADGET_ID_STICK_ELEMENT,            GADGET_ID_NONE,
2872     &stick_element_properties_window,
2873     NULL, NULL,
2874     "stick this screen to edit content","stick this screen to edit content"
2875   },
2876   {
2877     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2878     GADGET_ID_EM_SLIPPERY_GEMS,         GADGET_ID_NONE,
2879     &level.em_slippery_gems,
2880     NULL, NULL,
2881     "slip down from certain flat walls","use EM/DC style slipping behaviour"
2882   },
2883   {
2884     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2885     GADGET_ID_EM_EXPLODES_BY_FIRE,      GADGET_ID_NONE,
2886     &level.em_explodes_by_fire,
2887     NULL, NULL,
2888     "explodes with chain reaction",     "use R'n'D style explosion behaviour"
2889   },
2890   {
2891     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2892     GADGET_ID_USE_SPRING_BUG,           GADGET_ID_NONE,
2893     &level.use_spring_bug,
2894     NULL, NULL,
2895     "use spring pushing bug",           "use odd spring pushing behaviour"
2896   },
2897   {
2898     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2899     GADGET_ID_USE_TIME_ORB_BUG,         GADGET_ID_NONE,
2900     &level.use_time_orb_bug,
2901     NULL, NULL,
2902     "use time orb bug",                 "use odd time orb behaviour"
2903   },
2904   {
2905     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2906     GADGET_ID_RANDOM_BALL_CONTENT,      GADGET_ID_NONE,
2907     &level.ball_random,
2908     NULL, NULL,
2909     "create single random element",     "only create one element from content"
2910   },
2911   {
2912     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2913     GADGET_ID_INITIAL_BALL_STATE,       GADGET_ID_NONE,
2914     &level.ball_state_initial,
2915     NULL, NULL,
2916     "magic ball initially activated",   "activate magic ball after level start"
2917   },
2918   {
2919     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2920     GADGET_ID_GROW_INTO_DIGGABLE,       GADGET_ID_NONE,
2921     &level.grow_into_diggable,
2922     NULL, NULL,
2923     "can grow into anything diggable",  "grow into more than just sand"
2924   },
2925   {
2926     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2927     GADGET_ID_AUTO_EXIT_SOKOBAN,        GADGET_ID_NONE,
2928     &level.auto_exit_sokoban,
2929     NULL, NULL,
2930     "exit level if all fields solved",  "automatically finish Sokoban levels"
2931   },
2932   {
2933     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
2934     GADGET_ID_CONTINUOUS_SNAPPING,      GADGET_ID_NONE,
2935     &level.continuous_snapping,
2936     NULL, NULL,
2937     "continuous snapping",              "use snapping without releasing key"
2938   },
2939   {
2940     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
2941     GADGET_ID_BLOCK_SNAP_FIELD,         GADGET_ID_NONE,
2942     &level.block_snap_field,
2943     NULL, NULL,
2944     "block snapped field when snapping", "use snapping delay to show animation"
2945   },
2946   {
2947     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2948     GADGET_ID_BLOCK_LAST_FIELD,         GADGET_ID_NONE,
2949     &level.block_last_field,
2950     NULL, NULL,
2951     "block last field when moving",     "player blocks last field when moving"
2952   },
2953   {
2954     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2955     GADGET_ID_SP_BLOCK_LAST_FIELD,      GADGET_ID_NONE,
2956     &level.sp_block_last_field,
2957     NULL, NULL,
2958     "block last field when moving",     "player blocks last field when moving"
2959   },
2960   {
2961     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
2962     GADGET_ID_INSTANT_RELOCATION,       GADGET_ID_NONE,
2963     &level.instant_relocation,
2964     NULL, NULL,
2965     "no scrolling when relocating",     "player gets relocated without delay"
2966   },
2967   {
2968     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2969     GADGET_ID_SHIFTED_RELOCATION,       GADGET_ID_NONE,
2970     &level.shifted_relocation,
2971     NULL, NULL,
2972     "no centering when relocating",     "level not centered after relocation"
2973   },
2974   {
2975     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
2976     GADGET_ID_LAZY_RELOCATION,          GADGET_ID_NONE,
2977     &level.lazy_relocation,
2978     NULL, NULL,
2979     "only redraw off-screen relocation","no redraw if relocation target visible"
2980   },
2981   {
2982     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
2983     GADGET_ID_USE_START_ELEMENT,        GADGET_ID_NONE,
2984     &level.use_start_element[0],
2985     NULL, NULL,
2986     "use level start element:",        "start level at this element's position"
2987   },
2988   {
2989     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
2990     GADGET_ID_USE_ARTWORK_ELEMENT,      GADGET_ID_NONE,
2991     &level.use_artwork_element[0],
2992     NULL, NULL,
2993     "use artwork from element:",        "use player artwork from other element"
2994   },
2995   {
2996     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
2997     GADGET_ID_USE_EXPLOSION_ELEMENT,    GADGET_ID_NONE,
2998     &level.use_explosion_element[0],
2999     NULL, NULL,
3000     "use explosion from element:",      "use explosion properties from element"
3001   },
3002   {
3003     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3004     GADGET_ID_INITIAL_GRAVITY,          GADGET_ID_NONE,
3005     &level.initial_player_gravity[0],
3006     NULL, NULL,
3007     "use initial gravity",              "set initial player gravity"
3008   },
3009   {
3010     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3011     GADGET_ID_USE_INITIAL_INVENTORY,    GADGET_ID_NONE,
3012     &level.use_initial_inventory[0],
3013     NULL, NULL,
3014     "use initial inventory:",           "use collected elements on level start"
3015   },
3016   {
3017     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
3018     GADGET_ID_CAN_PASS_TO_WALKABLE,     GADGET_ID_NONE,
3019     &level.can_pass_to_walkable,
3020     NULL, NULL,
3021     "can pass to walkable element",     "player can pass to empty or walkable"
3022   },
3023   {
3024     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3025     GADGET_ID_CAN_FALL_INTO_ACID,       GADGET_ID_NONE,
3026     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3027     NULL, NULL,
3028     "can fall into acid (with gravity)","player can fall into acid pool"
3029   },
3030   {
3031     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3032     GADGET_ID_CAN_MOVE_INTO_ACID,       GADGET_ID_NONE,
3033     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3034     NULL, NULL,
3035     "can move into acid",               "element can move into acid pool"
3036   },
3037   {
3038     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3039     GADGET_ID_DONT_COLLIDE_WITH,        GADGET_ID_NONE,
3040     &custom_element_properties[EP_DONT_COLLIDE_WITH],
3041     NULL, NULL,
3042     "deadly when colliding with",       "element is deadly when hitting player"
3043   },
3044   {
3045     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3046     GADGET_ID_ENVELOPE_AUTOWRAP,        GADGET_ID_NONE,
3047     &level.envelope[0].autowrap,
3048     NULL, NULL,
3049     "auto-wrap",                        "automatically wrap envelope text"
3050   },
3051   {
3052     -1,                                 ED_ELEMENT_SETTINGS_YPOS(1),
3053     GADGET_ID_ENVELOPE_CENTERED,        GADGET_ID_ENVELOPE_AUTOWRAP,
3054     &level.envelope[0].centered,
3055     NULL, " ",
3056     "centered",                         "automatically center envelope text"
3057   },
3058   {
3059     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3060     GADGET_ID_MM_LASER_RED,             GADGET_ID_NONE,
3061     &level.mm_laser_red,
3062     "choose color components for laser:", NULL,
3063     "red",                              "use red color components in laser"
3064   },
3065   {
3066     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3067     GADGET_ID_MM_LASER_GREEN,           GADGET_ID_NONE,
3068     &level.mm_laser_green,
3069     NULL, NULL,
3070     "green",                            "use green color components in laser"
3071   },
3072   {
3073     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3074     GADGET_ID_MM_LASER_BLUE,            GADGET_ID_NONE,
3075     &level.mm_laser_blue,
3076     NULL, NULL,
3077     "blue",                             "use blue color components in laser"
3078   },
3079   {
3080     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3081     GADGET_ID_DF_LASER_RED,             GADGET_ID_NONE,
3082     &level.df_laser_red,
3083     "choose color components for laser:", NULL,
3084     "red",                              "use red color components in laser"
3085   },
3086   {
3087     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3088     GADGET_ID_DF_LASER_GREEN,           GADGET_ID_NONE,
3089     &level.df_laser_green,
3090     NULL, NULL,
3091     "green",                            "use green color components in laser"
3092   },
3093   {
3094     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3095     GADGET_ID_DF_LASER_BLUE,            GADGET_ID_NONE,
3096     &level.df_laser_blue,
3097     NULL, NULL,
3098     "blue",                             "use blue color components in laser"
3099   },
3100
3101   /* ---------- element settings: configure 1 (custom elements) ----------- */
3102
3103   {
3104     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3105     GADGET_ID_CUSTOM_USE_GRAPHIC,       GADGET_ID_NONE,
3106     &custom_element.use_gfx_element,
3107     NULL, NULL,
3108     "use graphic of element:",          "use existing element graphic"
3109   },
3110   {
3111     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3112     GADGET_ID_CUSTOM_USE_TEMPLATE_1,    GADGET_ID_NONE,
3113     &level.use_custom_template,
3114     NULL, NULL,
3115     "use template",                     "use template for custom properties"
3116   },
3117   {
3118     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3119     GADGET_ID_CUSTOM_ACCESSIBLE,        GADGET_ID_NONE,
3120     &custom_element_properties[EP_ACCESSIBLE],
3121     NULL, NULL,
3122     NULL,                               "player can walk to or pass this field"
3123   },
3124   {
3125     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3126     GADGET_ID_CUSTOM_GRAV_REACHABLE,    GADGET_ID_NONE,
3127     &custom_element_properties[EP_GRAVITY_REACHABLE],
3128     NULL, NULL,
3129     "reachable despite gravity",        "player can walk/dig despite gravity"
3130   },
3131   {
3132     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3133     GADGET_ID_CUSTOM_USE_LAST_VALUE,    GADGET_ID_NONE,
3134     &custom_element.use_last_ce_value,
3135     NULL, NULL,
3136     "use last CE value after change",   "use last CE value after change"
3137   },
3138   {
3139     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3140     GADGET_ID_CUSTOM_WALK_TO_OBJECT,    GADGET_ID_NONE,
3141     &custom_element_properties[EP_WALK_TO_OBJECT],
3142     NULL, NULL,
3143     NULL,                               "player can dig/collect/push element"
3144   },
3145   {
3146     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3147     GADGET_ID_CUSTOM_INDESTRUCTIBLE,    GADGET_ID_NONE,
3148     &custom_element_properties[EP_INDESTRUCTIBLE],
3149     NULL, NULL,
3150     "indestructible",                   "element is indestructible"
3151   },
3152
3153   /* ---------- element settings: configure 2 (custom elements) ----------- */
3154
3155   {
3156     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3157     GADGET_ID_CUSTOM_CAN_MOVE,          GADGET_ID_NONE,
3158     &custom_element_properties[EP_CAN_MOVE],
3159     NULL, NULL,
3160     NULL,                               "element can move with some pattern"
3161   },
3162   {
3163     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
3164     GADGET_ID_CUSTOM_CAN_FALL,          GADGET_ID_NONE,
3165     &custom_element_properties[EP_CAN_FALL],
3166     NULL, NULL,
3167     "can fall",                         "element can fall down"
3168   },
3169   {
3170     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
3171     GADGET_ID_CUSTOM_CAN_SMASH,         GADGET_ID_CUSTOM_CAN_FALL,
3172     &custom_element_properties[EP_CAN_SMASH],
3173     NULL, " ",
3174     NULL,                               "element can smash other elements"
3175   },
3176   {
3177     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3178     GADGET_ID_CUSTOM_SLIPPERY,          GADGET_ID_NONE,
3179     &custom_element_properties[EP_SLIPPERY],
3180     NULL, NULL,
3181     NULL,                               "other elements can fall down from it"
3182   },
3183   {
3184     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3185     GADGET_ID_CUSTOM_DEADLY,            GADGET_ID_NONE,
3186     &custom_element_properties[EP_DEADLY],
3187     NULL, NULL,
3188     NULL,                               "element can kill the player"
3189   },
3190   {
3191     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3192     GADGET_ID_CUSTOM_CAN_EXPLODE,       GADGET_ID_NONE,
3193     &custom_element_properties[EP_CAN_EXPLODE],
3194     NULL, NULL,
3195     NULL,                               "element can explode"
3196   },
3197   {
3198     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(11),
3199     GADGET_ID_CUSTOM_EXPLODE_FIRE,      GADGET_ID_NONE,
3200     &custom_element_properties[EP_EXPLODES_BY_FIRE],
3201     NULL, NULL,
3202     "by fire",                          "element can explode by fire/explosion"
3203   },
3204   {
3205     -1,                                 ED_ELEMENT_SETTINGS_YPOS(11),
3206     GADGET_ID_CUSTOM_EXPLODE_SMASH,     GADGET_ID_CUSTOM_EXPLODE_FIRE,
3207     &custom_element_properties[EP_EXPLODES_SMASHED],
3208     NULL, " ",
3209     "smashed",                          "element can explode when smashed"
3210   },
3211   {
3212     -1,                                 ED_ELEMENT_SETTINGS_YPOS(11),
3213     GADGET_ID_CUSTOM_EXPLODE_IMPACT,    GADGET_ID_CUSTOM_EXPLODE_SMASH,
3214     &custom_element_properties[EP_EXPLODES_IMPACT],
3215     NULL, " ",
3216     "impact",                           "element can explode on impact"
3217   },
3218
3219   /* ---------- element settings: advanced (custom elements) --------------- */
3220
3221   {
3222     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3223     GADGET_ID_CUSTOM_CAN_CHANGE,        GADGET_ID_NONE,
3224     &custom_element_change.can_change,
3225     NULL, NULL,
3226     "element changes to:",              "change element on specified condition"
3227   },
3228   {
3229     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
3230     GADGET_ID_CHANGE_DELAY,             GADGET_ID_NONE,
3231     &custom_element_change_events[CE_DELAY],
3232     NULL, NULL,
3233     NULL,                               "element changes after delay"
3234   },
3235   {
3236     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
3237     GADGET_ID_CHANGE_BY_DIRECT_ACT,     GADGET_ID_NONE,
3238     &custom_element_change_events[CE_BY_DIRECT_ACTION],
3239     NULL, NULL,
3240     NULL,                               "element changes by direct action"
3241   },
3242   {
3243     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
3244     GADGET_ID_CHANGE_BY_OTHER_ACT,      GADGET_ID_NONE,
3245     &custom_element_change_events[CE_BY_OTHER_ACTION],
3246     NULL, NULL,
3247     NULL,                               "element changes by other element"
3248   },
3249   {
3250     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
3251     GADGET_ID_CHANGE_USE_EXPLOSION,     GADGET_ID_NONE,
3252     &custom_element_change.explode,
3253     NULL, NULL,
3254     "explode instead of change",        "element explodes instead of change"
3255   },
3256   {
3257     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
3258     GADGET_ID_CHANGE_USE_CONTENT,       GADGET_ID_NONE,
3259     &custom_element_change.use_target_content,
3260     NULL, NULL,
3261     "use extended change target:",      "element changes to more elements"
3262   },
3263   {
3264     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(11),
3265     GADGET_ID_CHANGE_ONLY_COMPLETE,     GADGET_ID_NONE,
3266     &custom_element_change.only_if_complete,
3267     NULL, NULL,
3268     "replace all or nothing",           "only replace when all can be changed"
3269   },
3270   {
3271     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(12),
3272     GADGET_ID_CHANGE_USE_RANDOM,        GADGET_ID_NONE,
3273     &custom_element_change.use_random_replace,
3274     NULL, NULL,
3275     NULL,                               "use percentage for random replace"
3276   },
3277   {
3278     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3279     GADGET_ID_CHANGE_HAS_ACTION,        GADGET_ID_NONE,
3280     &custom_element_change.has_action,
3281     NULL, NULL,
3282     NULL,                               "execute action on specified condition"
3283   },
3284 };
3285
3286 static struct
3287 {
3288   int x, y;
3289   int xoffset, yoffset;
3290   int gadget_id;
3291   int gadget_id_align;
3292   int *value;
3293   int area_xsize, area_ysize;
3294   char *text_left, *text_right, *text_below, *infotext;
3295 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
3296 {
3297   /* ---------- level playfield content ------------------------------------ */
3298
3299   {
3300     0,                                  0,
3301     0,                                  0,
3302     GADGET_ID_DRAWING_LEVEL,            GADGET_ID_NONE,
3303     NULL,
3304     -1, -1,     /* these values are not constant, but can change at runtime */
3305     NULL, NULL, NULL,                   NULL
3306   },
3307
3308   /* ---------- yam yam content -------------------------------------------- */
3309
3310   {
3311     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3312     ED_AREA_YAMYAM_CONTENT_XOFF(0),     ED_AREA_YAMYAM_CONTENT_YOFF(0),
3313     GADGET_ID_YAMYAM_CONTENT_0,         GADGET_ID_NONE,
3314     &level.yamyam_content[0].e[0][0],   3, 3,
3315     NULL, NULL, "1",                    NULL
3316   },
3317   {
3318     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3319     ED_AREA_YAMYAM_CONTENT_XOFF(1),     ED_AREA_YAMYAM_CONTENT_YOFF(1),
3320     GADGET_ID_YAMYAM_CONTENT_1,         GADGET_ID_NONE,
3321     &level.yamyam_content[1].e[0][0],   3, 3,
3322     NULL, NULL, "2",                    NULL
3323   },
3324   {
3325     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3326     ED_AREA_YAMYAM_CONTENT_XOFF(2),     ED_AREA_YAMYAM_CONTENT_YOFF(2),
3327     GADGET_ID_YAMYAM_CONTENT_2,         GADGET_ID_NONE,
3328     &level.yamyam_content[2].e[0][0],   3, 3,
3329     NULL, NULL, "3",                    NULL
3330   },
3331   {
3332     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3333     ED_AREA_YAMYAM_CONTENT_XOFF(3),     ED_AREA_YAMYAM_CONTENT_YOFF(3),
3334     GADGET_ID_YAMYAM_CONTENT_3,         GADGET_ID_NONE,
3335     &level.yamyam_content[3].e[0][0],   3, 3,
3336     NULL, NULL, "4",                    NULL
3337   },
3338   {
3339     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3340     ED_AREA_YAMYAM_CONTENT_XOFF(4),     ED_AREA_YAMYAM_CONTENT_YOFF(4),
3341     GADGET_ID_YAMYAM_CONTENT_4,         GADGET_ID_NONE,
3342     &level.yamyam_content[4].e[0][0],   3, 3,
3343     NULL, NULL, "5",                    NULL
3344   },
3345   {
3346     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3347     ED_AREA_YAMYAM_CONTENT_XOFF(5),     ED_AREA_YAMYAM_CONTENT_YOFF(5),
3348     GADGET_ID_YAMYAM_CONTENT_5,         GADGET_ID_NONE,
3349     &level.yamyam_content[5].e[0][0],   3, 3,
3350     NULL, NULL, "6",                    NULL
3351   },
3352   {
3353     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3354     ED_AREA_YAMYAM_CONTENT_XOFF(6),     ED_AREA_YAMYAM_CONTENT_YOFF(6),
3355     GADGET_ID_YAMYAM_CONTENT_6,         GADGET_ID_NONE,
3356     &level.yamyam_content[6].e[0][0],   3, 3,
3357     NULL, NULL, "7",                    NULL
3358   },
3359   {
3360     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3361     ED_AREA_YAMYAM_CONTENT_XOFF(7),     ED_AREA_YAMYAM_CONTENT_YOFF(7),
3362     GADGET_ID_YAMYAM_CONTENT_7,         GADGET_ID_NONE,
3363     &level.yamyam_content[7].e[0][0],   3, 3,
3364     NULL, NULL, "8",                    NULL
3365   },
3366
3367   /* ---------- magic ball content ----------------------------------------- */
3368
3369   {
3370     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3371     ED_AREA_MAGIC_BALL_CONTENT_XOFF(0), ED_AREA_MAGIC_BALL_CONTENT_YOFF(0),
3372     GADGET_ID_MAGIC_BALL_CONTENT_0,     GADGET_ID_NONE,
3373     &level.ball_content[0].e[0][0],     3, 3,
3374     NULL, NULL, "1",                    NULL
3375   },
3376   {
3377     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3378     ED_AREA_MAGIC_BALL_CONTENT_XOFF(1), ED_AREA_MAGIC_BALL_CONTENT_YOFF(1),
3379     GADGET_ID_MAGIC_BALL_CONTENT_1,     GADGET_ID_NONE,
3380     &level.ball_content[1].e[0][0],     3, 3,
3381     NULL, NULL, "2",                    NULL
3382   },
3383   {
3384     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3385     ED_AREA_MAGIC_BALL_CONTENT_XOFF(2), ED_AREA_MAGIC_BALL_CONTENT_YOFF(2),
3386     GADGET_ID_MAGIC_BALL_CONTENT_2,     GADGET_ID_NONE,
3387     &level.ball_content[2].e[0][0],     3, 3,
3388     NULL, NULL, "3",                    NULL
3389   },
3390   {
3391     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3392     ED_AREA_MAGIC_BALL_CONTENT_XOFF(3), ED_AREA_MAGIC_BALL_CONTENT_YOFF(3),
3393     GADGET_ID_MAGIC_BALL_CONTENT_3,     GADGET_ID_NONE,
3394     &level.ball_content[3].e[0][0],     3, 3,
3395     NULL, NULL, "4",                    NULL
3396   },
3397   {
3398     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3399     ED_AREA_MAGIC_BALL_CONTENT_XOFF(4), ED_AREA_MAGIC_BALL_CONTENT_YOFF(4),
3400     GADGET_ID_MAGIC_BALL_CONTENT_4,     GADGET_ID_NONE,
3401     &level.ball_content[4].e[0][0],     3, 3,
3402     NULL, NULL, "5",                    NULL
3403   },
3404   {
3405     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3406     ED_AREA_MAGIC_BALL_CONTENT_XOFF(5), ED_AREA_MAGIC_BALL_CONTENT_YOFF(5),
3407     GADGET_ID_MAGIC_BALL_CONTENT_5,     GADGET_ID_NONE,
3408     &level.ball_content[5].e[0][0],     3, 3,
3409     NULL, NULL, "6",                    NULL
3410   },
3411   {
3412     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3413     ED_AREA_MAGIC_BALL_CONTENT_XOFF(6), ED_AREA_MAGIC_BALL_CONTENT_YOFF(6),
3414     GADGET_ID_MAGIC_BALL_CONTENT_6,     GADGET_ID_NONE,
3415     &level.ball_content[6].e[0][0],     3, 3,
3416     NULL, NULL, "7",                    NULL
3417   },
3418   {
3419     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3420     ED_AREA_MAGIC_BALL_CONTENT_XOFF(7), ED_AREA_MAGIC_BALL_CONTENT_YOFF(7),
3421     GADGET_ID_MAGIC_BALL_CONTENT_7,     GADGET_ID_NONE,
3422     &level.ball_content[7].e[0][0],     3, 3,
3423     NULL, NULL, "8",                    NULL
3424   },
3425
3426   /* ---------- android content -------------------------------------------- */
3427
3428   {
3429     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(5),
3430     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3431     GADGET_ID_ANDROID_CONTENT,          GADGET_ID_NONE,
3432     &level.android_clone_element[0],    MAX_ANDROID_ELEMENTS, 1,
3433     "elements:", NULL, NULL,            "elements android can clone"
3434   },
3435
3436   /* ---------- amoeba content --------------------------------------------- */
3437
3438   {
3439     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(3),
3440     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3441     GADGET_ID_AMOEBA_CONTENT,           GADGET_ID_NONE,
3442     &level.amoeba_content,              1, 1,
3443     "content:", NULL, NULL,             "amoeba content"
3444   },
3445
3446   /* ---------- level start element ---------------------------------------- */
3447
3448   {
3449     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(10),
3450     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3451     GADGET_ID_START_ELEMENT,            GADGET_ID_USE_START_ELEMENT,
3452     &level.start_element[0],            1, 1,
3453     NULL, NULL, NULL,                   "level start element"
3454   },
3455
3456   /* ---------- player artwork element ------------------------------------- */
3457
3458   {
3459     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(11),
3460     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3461     GADGET_ID_ARTWORK_ELEMENT,          GADGET_ID_USE_ARTWORK_ELEMENT,
3462     &level.artwork_element[0],          1, 1,
3463     NULL, NULL, NULL,                   "element for player artwork"
3464   },
3465
3466   /* ---------- player explosion element ----------------------------------- */
3467
3468   {
3469     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(12),
3470     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3471     GADGET_ID_EXPLOSION_ELEMENT,        GADGET_ID_USE_EXPLOSION_ELEMENT,
3472     &level.explosion_element[0],        1, 1,
3473     NULL, NULL, NULL,                   "element for player explosion"
3474   },
3475
3476   /* ---------- player initial inventory ----------------------------------- */
3477
3478   {
3479     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3480     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3481     GADGET_ID_INVENTORY_CONTENT,        GADGET_ID_USE_INITIAL_INVENTORY,
3482     &level.initial_inventory_content[0][0], MAX_INITIAL_INVENTORY_SIZE, 1,
3483     NULL, NULL, NULL,                   "content for initial inventory"
3484   },
3485
3486   /* ---------- element settings: configure 1 (custom elements) ----------- */
3487
3488   /* ---------- custom graphic --------------------------------------------- */
3489
3490   {
3491     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3492     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3493     GADGET_ID_CUSTOM_GRAPHIC,           GADGET_ID_CUSTOM_USE_GRAPHIC,
3494     &custom_element.gfx_element_initial,1, 1,
3495     NULL, NULL, NULL,                   "custom graphic element"
3496   },
3497
3498   /* ---------- element settings: configure 2 (custom elements) ----------- */
3499
3500   /* ---------- custom content (when exploding) ---------------------------- */
3501
3502   {
3503     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(10),
3504     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
3505     GADGET_ID_CUSTOM_CONTENT,           GADGET_ID_NONE, /* align three rows */
3506     &custom_element.content.e[0][0],    3, 3,
3507     "content:", NULL, NULL,             NULL
3508   },
3509
3510   /* ---------- custom enter and leave element (when moving) --------------- */
3511
3512   {
3513     ED_AREA_1X1_SETTINGS_XPOS(1),       ED_AREA_1X1_SETTINGS_YPOS(3),
3514     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3515     GADGET_ID_CUSTOM_MOVE_ENTER,        GADGET_ID_NONE,
3516     &custom_element.move_enter_element, 1, 1,
3517     "can dig:", " ", NULL,              "element that can be digged/collected"
3518   },
3519   {
3520     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(3),
3521     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3522     GADGET_ID_CUSTOM_MOVE_LEAVE,        GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
3523     &custom_element.move_leave_element, 1, 1,
3524     NULL, NULL, NULL,                   "element that will be left behind"
3525   },
3526
3527   /* ---------- element settings: advanced (custom elements) --------------- */
3528
3529   /* ---------- custom change target --------------------------------------- */
3530
3531   {
3532     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3533     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3534     GADGET_ID_CUSTOM_CHANGE_TARGET,     GADGET_ID_CUSTOM_CAN_CHANGE,
3535     &custom_element_change.target_element, 1, 1,
3536     NULL, "after/when:", NULL,          "new target element after change"
3537   },
3538
3539   /* ---------- custom change content (extended change target) ------------- */
3540
3541   {
3542     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(9),
3543     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
3544     GADGET_ID_CUSTOM_CHANGE_CONTENT,    GADGET_ID_NONE, /* align three rows */
3545     &custom_element_change.target_content.e[0][0], 3, 3,
3546     NULL, NULL, NULL,                   "new extended elements after change"
3547   },
3548
3549   /* ---------- custom change trigger (element causing change) ------------- */
3550
3551   {
3552     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(5),
3553     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3554     GADGET_ID_CUSTOM_CHANGE_TRIGGER,    GADGET_ID_CHANGE_OTHER_ACTION,
3555     &custom_element_change.initial_trigger_element, 1, 1,
3556     NULL, NULL, NULL,                   "other element triggering change"
3557   },
3558
3559   /* ---------- custom change action (element used for action) ------------- */
3560
3561   {
3562     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(13),
3563     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3564     GADGET_ID_CUSTOM_CHANGE_ACTION,     GADGET_ID_ACTION_ARG,
3565     &custom_element_change.action_element, 1, 1,
3566     NULL, NULL, NULL,                   "element used as action parameter"
3567   },
3568
3569   /* ---------- group element content -------------------------------------- */
3570
3571   {
3572     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
3573     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3574     GADGET_ID_GROUP_CONTENT,            GADGET_ID_NONE,
3575     &group_element_info.element[0],     MAX_ELEMENTS_IN_GROUP, 1,
3576     "content:", NULL, NULL,             NULL
3577   },
3578
3579   /* ---------- random background (for random painting) -------------------- */
3580
3581   {
3582     -1,                                 ED_AREA_1X1_LSETTINGS_YPOS(1),
3583     0,                                  ED_AREA_1X1_LSETTINGS_YOFF,
3584     GADGET_ID_RANDOM_BACKGROUND,        GADGET_ID_RANDOM_RESTRICTED,
3585     &random_placement_background_element, 1, 1,
3586     NULL, NULL, NULL,                   "random placement background"
3587   },
3588 };
3589
3590
3591 /*
3592   -----------------------------------------------------------------------------
3593   some internally used variables
3594   -----------------------------------------------------------------------------
3595 */
3596
3597 /* maximal size of level editor drawing area */
3598 static int MAX_ED_FIELDX, MAX_ED_FIELDY;
3599
3600 /* actual size of level editor drawing area */
3601 static int ed_fieldx, ed_fieldy;
3602
3603 /* actual position of level editor drawing area in level playfield */
3604 static int level_xpos = -1, level_ypos = -1;
3605
3606 /* actual tile size used to display playfield drawing area */
3607 static int ed_tilesize = DEFAULT_EDITOR_TILESIZE;
3608
3609 #define IN_ED_FIELD(x,y)        IN_FIELD(x, y, ed_fieldx, ed_fieldy)
3610
3611 /* drawing elements on the three mouse buttons */
3612 static int new_element1 = EL_WALL;
3613 static int new_element2 = EL_EMPTY;
3614 static int new_element3 = EL_SAND;
3615
3616 #define IS_VALID_BUTTON(button) (button >= 1 && button <= 3)
3617 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
3618                                 (button) == 2 ? new_element2 : \
3619                                 (button) == 3 ? new_element3 : EL_EMPTY)
3620
3621 #define BUTTON_TILE_SIZE(x)     ((x) >= TILESIZE ? TILESIZE : MINI_TILESIZE)
3622
3623 static int use_permanent_palette = TRUE;
3624
3625 #define PX              (use_permanent_palette ? DX : SX)
3626 #define PY              (use_permanent_palette ? DY : SY)
3627 #define PXSIZE          (use_permanent_palette ? DXSIZE : SXSIZE)
3628 #define PYSIZE          (use_permanent_palette ? DYSIZE : SYSIZE)
3629
3630 /* forward declaration for internal use */
3631 static void ModifyEditorCounterValue(int, int);
3632 static void ModifyEditorCounterLimits(int, int, int);
3633 static void ModifyEditorSelectboxValue(int, int);
3634 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
3635 static void ModifyEditorDrawingArea(int, int, int);
3636 static void ModifyEditorElementList();
3637 static void AdjustElementListScrollbar();
3638 static void RedrawDrawingElements();
3639 static void DrawDrawingWindow();
3640 static void DrawLevelInfoWindow();
3641 static void DrawPropertiesWindow();
3642 static void DrawPaletteWindow();
3643 static void UpdateCustomElementGraphicGadgets();
3644 static boolean checkPropertiesConfig(int);
3645 static void SetAutomaticNumberOfGemsNeeded();
3646 static void ClearEditorGadgetInfoText();
3647 static void CopyLevelToUndoBuffer(int);
3648 static void HandleDrawingAreas(struct GadgetInfo *);
3649 static void HandleCounterButtons(struct GadgetInfo *);
3650 static void HandleTextInputGadgets(struct GadgetInfo *);
3651 static void HandleTextAreaGadgets(struct GadgetInfo *);
3652 static void HandleSelectboxGadgets(struct GadgetInfo *);
3653 static void HandleTextbuttonGadgets(struct GadgetInfo *);
3654 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
3655 static void HandleRadiobuttons(struct GadgetInfo *);
3656 static void HandleCheckbuttons(struct GadgetInfo *);
3657 static void HandleControlButtons(struct GadgetInfo *);
3658 static void HandleDrawingAreaInfo(struct GadgetInfo *);
3659 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
3660 static boolean AskToCopyAndModifyLevelTemplate();
3661 static boolean getDrawModeHiRes();
3662
3663 static int num_editor_gadgets = 0;      /* dynamically determined */
3664
3665 static struct GadgetInfo **level_editor_gadget = NULL;
3666 static int *right_gadget_border = NULL;
3667
3668 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
3669 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
3670 static boolean draw_with_brush = FALSE;
3671 static int properties_element = 0;
3672
3673 static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3674 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3675 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3676 static int undo_buffer_position = 0;
3677 static int undo_buffer_steps = 0;
3678 static int redo_buffer_steps = 0;
3679
3680 static int edit_mode;
3681 static int edit_mode_levelinfo;
3682 static int edit_mode_properties;
3683
3684 static int element_shift = 0;
3685
3686 static int editor_el_players[] =
3687 {
3688   EL_PLAYER_1,
3689   EL_PLAYER_2,
3690   EL_PLAYER_3,
3691   EL_PLAYER_4
3692 };
3693 static int *editor_el_players_ptr = editor_el_players;
3694 static int num_editor_el_players = SIZEOF_ARRAY_INT(editor_el_players);
3695
3696 static int editor_hl_boulderdash[] =
3697 {
3698   EL_INTERNAL_CASCADE_BD_ACTIVE,
3699   EL_CHAR('B'),
3700   EL_CHAR('D'),
3701   EL_EMPTY,
3702 };
3703
3704 static int editor_el_boulderdash[] =
3705 {
3706   EL_EMPTY,
3707   EL_SAND,
3708   EL_BD_ROCK,
3709   EL_BD_DIAMOND,
3710
3711   EL_STEELWALL,
3712   EL_BD_WALL,
3713   EL_BD_EXPANDABLE_WALL,
3714   EL_BD_MAGIC_WALL,
3715
3716   EL_BD_AMOEBA,
3717   EL_BD_BUTTERFLY_UP,
3718   EL_BD_FIREFLY_UP,
3719   EL_EXIT_CLOSED,
3720
3721   EL_BD_BUTTERFLY_LEFT,
3722   EL_BD_FIREFLY_LEFT,
3723   EL_BD_BUTTERFLY_RIGHT,
3724   EL_BD_FIREFLY_RIGHT,
3725
3726   EL_EMPTY,
3727   EL_BD_BUTTERFLY_DOWN,
3728   EL_BD_FIREFLY_DOWN,
3729   EL_EXIT_OPEN,
3730 };
3731 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
3732 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
3733 static int num_editor_hl_boulderdash = SIZEOF_ARRAY_INT(editor_hl_boulderdash);
3734 static int num_editor_el_boulderdash = SIZEOF_ARRAY_INT(editor_el_boulderdash);
3735
3736 static int editor_hl_emerald_mine[] =
3737 {
3738   EL_INTERNAL_CASCADE_EM_ACTIVE,
3739   EL_CHAR('E'),
3740   EL_CHAR('M'),
3741   EL_EMPTY,
3742 };
3743
3744 static int editor_el_emerald_mine[] =
3745 {
3746   EL_SAND,
3747   EL_ROCK,
3748   EL_QUICKSAND_EMPTY,
3749   EL_QUICKSAND_FULL,
3750
3751   EL_STEELWALL,
3752   EL_WALL,
3753   EL_WALL_SLIPPERY,
3754   EL_MAGIC_WALL,
3755
3756   EL_EMERALD,
3757   EL_DIAMOND,
3758   EL_NUT,
3759   EL_BOMB,
3760
3761   EL_WALL_EMERALD,
3762   EL_WALL_DIAMOND,
3763   EL_DYNAMITE,
3764   EL_DYNAMITE_ACTIVE,
3765
3766   EL_YAMYAM,
3767   EL_BUG_UP,
3768   EL_SPACESHIP_UP,
3769   EL_ROBOT,
3770
3771   EL_BUG_LEFT,
3772   EL_SPACESHIP_LEFT,
3773   EL_BUG_RIGHT,
3774   EL_SPACESHIP_RIGHT,
3775
3776   EL_ROBOT_WHEEL,
3777   EL_BUG_DOWN,
3778   EL_SPACESHIP_DOWN,
3779   EL_INVISIBLE_WALL,
3780
3781   EL_ACID_POOL_TOPLEFT,
3782   EL_ACID,
3783   EL_ACID_POOL_TOPRIGHT,
3784   EL_AMOEBA_DROP,
3785
3786   EL_ACID_POOL_BOTTOMLEFT,
3787   EL_ACID_POOL_BOTTOM,
3788   EL_ACID_POOL_BOTTOMRIGHT,
3789   EL_AMOEBA_WET,
3790
3791   EL_EM_KEY_1,
3792   EL_EM_KEY_2,
3793   EL_EM_KEY_3,
3794   EL_EM_KEY_4,
3795
3796   EL_EM_GATE_1,
3797   EL_EM_GATE_2,
3798   EL_EM_GATE_3,
3799   EL_EM_GATE_4,
3800
3801   EL_EM_GATE_1_GRAY,
3802   EL_EM_GATE_2_GRAY,
3803   EL_EM_GATE_3_GRAY,
3804   EL_EM_GATE_4_GRAY,
3805
3806   EL_EM_EXIT_CLOSED,
3807   EL_EM_EXIT_OPEN,
3808   EL_EM_STEEL_EXIT_CLOSED,
3809   EL_EM_STEEL_EXIT_OPEN,
3810 };
3811 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
3812 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
3813 static int num_editor_hl_emerald_mine=SIZEOF_ARRAY_INT(editor_hl_emerald_mine);
3814 static int num_editor_el_emerald_mine=SIZEOF_ARRAY_INT(editor_el_emerald_mine);
3815
3816 static int editor_hl_emerald_mine_club[] =
3817 {
3818   EL_INTERNAL_CASCADE_EMC_ACTIVE,
3819   EL_CHAR('E'),
3820   EL_CHAR('M'),
3821   EL_CHAR('C'),
3822 };
3823
3824 static int editor_el_emerald_mine_club[] =
3825 {
3826   EL_EMC_KEY_5,
3827   EL_EMC_KEY_6,
3828   EL_EMC_KEY_7,
3829   EL_EMC_KEY_8,
3830
3831   EL_EMC_GATE_5,
3832   EL_EMC_GATE_6,
3833   EL_EMC_GATE_7,
3834   EL_EMC_GATE_8,
3835
3836   EL_EMC_GATE_5_GRAY,
3837   EL_EMC_GATE_6_GRAY,
3838   EL_EMC_GATE_7_GRAY,
3839   EL_EMC_GATE_8_GRAY,
3840
3841   EL_EMC_STEELWALL_1,
3842   EL_EMC_STEELWALL_2,
3843   EL_EMC_STEELWALL_3,
3844   EL_EMC_STEELWALL_4,
3845
3846   EL_EMC_WALL_13,
3847   EL_EMC_WALL_14,
3848   EL_EMC_WALL_15,
3849   EL_EMC_WALL_16,
3850
3851   EL_EMC_WALL_SLIPPERY_1,
3852   EL_EMC_WALL_SLIPPERY_2,
3853   EL_EMC_WALL_SLIPPERY_3,
3854   EL_EMC_WALL_SLIPPERY_4,
3855
3856   EL_EMC_WALL_1,
3857   EL_EMC_WALL_2,
3858   EL_EMC_WALL_3,
3859   EL_EMC_WALL_4,
3860
3861   EL_EMC_WALL_5,
3862   EL_EMC_WALL_6,
3863   EL_EMC_WALL_7,
3864   EL_EMC_WALL_8,
3865
3866   EL_EMC_WALL_9,
3867   EL_EMC_WALL_10,
3868   EL_EMC_WALL_11,
3869   EL_EMC_WALL_12,
3870
3871   EL_EMC_GRASS,
3872   EL_EMC_FAKE_GRASS,
3873   EL_EMC_PLANT,
3874   EL_EMC_DRIPPER,
3875
3876   EL_EMC_MAGIC_BALL,
3877   EL_EMC_MAGIC_BALL_SWITCH,
3878   EL_SPRING,
3879   EL_EMC_SPRING_BUMPER,
3880
3881   EL_EMC_LENSES,
3882   EL_EMC_MAGNIFIER,
3883   EL_EM_DYNAMITE,
3884   EL_EM_DYNAMITE_ACTIVE,
3885
3886   EL_BALLOON,
3887   EL_YAMYAM_UP,
3888   EL_BALLOON_SWITCH_UP,
3889   EL_BALLOON_SWITCH_ANY,
3890
3891   EL_YAMYAM_LEFT,
3892   EL_BALLOON_SWITCH_LEFT,
3893   EL_YAMYAM_RIGHT,
3894   EL_BALLOON_SWITCH_RIGHT,
3895
3896   EL_EMC_ANDROID,
3897   EL_YAMYAM_DOWN,
3898   EL_BALLOON_SWITCH_DOWN,
3899   EL_BALLOON_SWITCH_NONE,
3900 };
3901 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
3902 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
3903 static int num_editor_hl_emerald_mine_club=SIZEOF_ARRAY_INT(editor_hl_emerald_mine_club);
3904 static int num_editor_el_emerald_mine_club=SIZEOF_ARRAY_INT(editor_el_emerald_mine_club);
3905
3906 static int editor_hl_rnd[] =
3907 {
3908   EL_INTERNAL_CASCADE_RND_ACTIVE,
3909   EL_CHAR('R'),
3910   EL_CHAR('N'),
3911   EL_CHAR('D'),
3912 };
3913
3914 static int editor_el_rnd[] =
3915 {
3916   EL_KEY_1,
3917   EL_KEY_2,
3918   EL_KEY_3,
3919   EL_KEY_4,
3920
3921   EL_GATE_1,
3922   EL_GATE_2,
3923   EL_GATE_3,
3924   EL_GATE_4,
3925
3926   EL_GATE_1_GRAY,
3927   EL_GATE_2_GRAY,
3928   EL_GATE_3_GRAY,
3929   EL_GATE_4_GRAY,
3930
3931   EL_ARROW_LEFT,
3932   EL_ARROW_RIGHT,
3933   EL_ARROW_UP,
3934   EL_ARROW_DOWN,
3935
3936   EL_AMOEBA_DEAD,
3937   EL_AMOEBA_DRY,
3938   EL_AMOEBA_FULL,
3939   EL_GAME_OF_LIFE,
3940
3941   EL_EMERALD_YELLOW,
3942   EL_EMERALD_RED,
3943   EL_EMERALD_PURPLE,
3944   EL_BIOMAZE,
3945
3946   EL_WALL_EMERALD_YELLOW,
3947   EL_WALL_EMERALD_RED,
3948   EL_WALL_EMERALD_PURPLE,
3949   EL_WALL_BD_DIAMOND,
3950
3951   EL_SPEED_PILL,
3952   EL_PACMAN_UP,
3953   EL_TIME_ORB_FULL,
3954   EL_TIME_ORB_EMPTY,
3955
3956   EL_PACMAN_LEFT,
3957   EL_DARK_YAMYAM,
3958   EL_PACMAN_RIGHT,
3959   EL_EMPTY,
3960
3961   EL_BLACK_ORB,
3962   EL_PACMAN_DOWN,
3963   EL_LAMP,
3964   EL_LAMP_ACTIVE,
3965
3966   EL_DYNABOMB_INCREASE_NUMBER,
3967   EL_DYNABOMB_INCREASE_SIZE,
3968   EL_DYNABOMB_INCREASE_POWER,
3969   EL_STONEBLOCK,
3970
3971   EL_MOLE,
3972   EL_PENGUIN,
3973   EL_PIG,
3974   EL_DRAGON,
3975
3976   EL_BUG,
3977   EL_MOLE_UP,
3978   EL_BD_BUTTERFLY,
3979   EL_BD_FIREFLY,
3980
3981   EL_MOLE_LEFT,
3982   EL_SATELLITE,
3983   EL_MOLE_RIGHT,
3984   EL_PACMAN,
3985
3986   EL_SPACESHIP,
3987   EL_MOLE_DOWN,
3988   EL_INVISIBLE_STEELWALL,
3989   EL_INVISIBLE_WALL,
3990
3991   EL_EXPANDABLE_WALL,
3992   EL_EXPANDABLE_WALL_HORIZONTAL,
3993   EL_EXPANDABLE_WALL_VERTICAL,
3994   EL_EXPANDABLE_WALL_ANY,
3995 };
3996 static int *editor_hl_rnd_ptr = editor_hl_rnd;
3997 static int *editor_el_rnd_ptr = editor_el_rnd;
3998 static int num_editor_hl_rnd = SIZEOF_ARRAY_INT(editor_hl_rnd);
3999 static int num_editor_el_rnd = SIZEOF_ARRAY_INT(editor_el_rnd);
4000
4001 static int editor_hl_sokoban[] =
4002 {
4003   EL_INTERNAL_CASCADE_SB_ACTIVE,
4004   EL_CHAR('S'),
4005   EL_CHAR('B'),
4006   EL_EMPTY,
4007 };
4008
4009 static int editor_el_sokoban[] =
4010 {
4011   EL_SOKOBAN_OBJECT,
4012   EL_SOKOBAN_FIELD_EMPTY,
4013   EL_SOKOBAN_FIELD_FULL,
4014   EL_SOKOBAN_FIELD_PLAYER,
4015 };
4016 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
4017 static int *editor_el_sokoban_ptr = editor_el_sokoban;
4018 static int num_editor_hl_sokoban = SIZEOF_ARRAY_INT(editor_hl_sokoban);
4019 static int num_editor_el_sokoban = SIZEOF_ARRAY_INT(editor_el_sokoban);
4020
4021 static int editor_hl_supaplex[] =
4022 {
4023   EL_INTERNAL_CASCADE_SP_ACTIVE,
4024   EL_CHAR('S'),
4025   EL_CHAR('P'),
4026   EL_EMPTY,
4027 };
4028
4029 static int editor_el_supaplex[] =
4030 {
4031   EL_SP_MURPHY,
4032   EL_EMPTY,
4033   EL_SP_BASE,
4034   EL_SP_BUGGY_BASE,
4035
4036   EL_SP_INFOTRON,
4037   EL_SP_ZONK,
4038   EL_SP_SNIKSNAK,
4039   EL_SP_ELECTRON,
4040
4041   EL_SP_DISK_RED,
4042   EL_SP_DISK_ORANGE,
4043   EL_SP_DISK_YELLOW,
4044   EL_SP_TERMINAL,
4045
4046   EL_SP_EXIT_CLOSED,
4047   EL_SP_PORT_HORIZONTAL,
4048   EL_SP_PORT_VERTICAL,
4049   EL_SP_PORT_ANY,
4050
4051   EL_SP_PORT_LEFT,
4052   EL_SP_PORT_RIGHT,
4053   EL_SP_PORT_UP,
4054   EL_SP_PORT_DOWN,
4055
4056   EL_SP_GRAVITY_PORT_LEFT,
4057   EL_SP_GRAVITY_PORT_RIGHT,
4058   EL_SP_GRAVITY_PORT_UP,
4059   EL_SP_GRAVITY_PORT_DOWN,
4060
4061   EL_SP_GRAVITY_ON_PORT_LEFT,
4062   EL_SP_GRAVITY_ON_PORT_RIGHT,
4063   EL_SP_GRAVITY_ON_PORT_UP,
4064   EL_SP_GRAVITY_ON_PORT_DOWN,
4065
4066   EL_SP_GRAVITY_OFF_PORT_LEFT,
4067   EL_SP_GRAVITY_OFF_PORT_RIGHT,
4068   EL_SP_GRAVITY_OFF_PORT_UP,
4069   EL_SP_GRAVITY_OFF_PORT_DOWN,
4070
4071   EL_SP_HARDWARE_GRAY,
4072   EL_SP_HARDWARE_GREEN,
4073   EL_SP_HARDWARE_BLUE,
4074   EL_SP_HARDWARE_RED,
4075
4076   EL_SP_HARDWARE_BASE_1,
4077   EL_SP_HARDWARE_BASE_2,
4078   EL_SP_HARDWARE_BASE_3,
4079   EL_SP_HARDWARE_BASE_4,
4080
4081   EL_SP_HARDWARE_BASE_5,
4082   EL_SP_HARDWARE_BASE_6,
4083   EL_SP_HARDWARE_YELLOW,
4084   EL_SP_CHIP_TOP,
4085
4086   EL_SP_CHIP_SINGLE,
4087   EL_SP_CHIP_LEFT,
4088   EL_SP_CHIP_RIGHT,
4089   EL_SP_CHIP_BOTTOM,
4090 };
4091 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
4092 static int *editor_el_supaplex_ptr = editor_el_supaplex;
4093 static int num_editor_hl_supaplex = SIZEOF_ARRAY_INT(editor_hl_supaplex);
4094 static int num_editor_el_supaplex = SIZEOF_ARRAY_INT(editor_el_supaplex);
4095
4096 static int editor_hl_diamond_caves[] =
4097 {
4098   EL_INTERNAL_CASCADE_DC_ACTIVE,
4099   EL_CHAR('D'),
4100   EL_CHAR('C'),
4101   EL_CHAR('2'),
4102 };
4103
4104 static int editor_el_diamond_caves[] =
4105 {
4106   EL_PEARL,
4107   EL_CRYSTAL,
4108   EL_WALL_PEARL,
4109   EL_WALL_CRYSTAL,
4110
4111   EL_CONVEYOR_BELT_1_LEFT,
4112   EL_CONVEYOR_BELT_1_MIDDLE,
4113   EL_CONVEYOR_BELT_1_RIGHT,
4114   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
4115
4116   EL_CONVEYOR_BELT_2_LEFT,
4117   EL_CONVEYOR_BELT_2_MIDDLE,
4118   EL_CONVEYOR_BELT_2_RIGHT,
4119   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
4120
4121   EL_CONVEYOR_BELT_3_LEFT,
4122   EL_CONVEYOR_BELT_3_MIDDLE,
4123   EL_CONVEYOR_BELT_3_RIGHT,
4124   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
4125
4126   EL_CONVEYOR_BELT_4_LEFT,
4127   EL_CONVEYOR_BELT_4_MIDDLE,
4128   EL_CONVEYOR_BELT_4_RIGHT,
4129   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
4130
4131   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
4132   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
4133   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
4134   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
4135
4136   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
4137   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
4138   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
4139   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
4140
4141   EL_TIMEGATE_CLOSED,
4142   EL_TIMEGATE_OPEN,
4143   EL_TIMEGATE_SWITCH,
4144   EL_DC_TIMEGATE_SWITCH,
4145
4146   EL_SWITCHGATE_CLOSED,
4147   EL_SWITCHGATE_OPEN,
4148   EL_SWITCHGATE_SWITCH_UP,
4149   EL_SWITCHGATE_SWITCH_DOWN,
4150
4151   EL_LIGHT_SWITCH,
4152   EL_LIGHT_SWITCH_ACTIVE,
4153   EL_DC_SWITCHGATE_SWITCH_UP,
4154   EL_DC_SWITCHGATE_SWITCH_DOWN,
4155
4156   EL_STEEL_EXIT_CLOSED,
4157   EL_STEEL_EXIT_OPEN,
4158   EL_STEELWALL_SLIPPERY,
4159   EL_INVISIBLE_SAND,
4160
4161   EL_QUICKSAND_FAST_EMPTY,
4162   EL_QUICKSAND_FAST_FULL,
4163   EL_LANDMINE,
4164   EL_DC_LANDMINE,
4165
4166   EL_SHIELD_NORMAL,
4167   EL_SHIELD_DEADLY,
4168   EL_EXTRA_TIME,
4169   EL_DC_MAGIC_WALL,
4170
4171   EL_ENVELOPE_1,
4172   EL_ENVELOPE_2,
4173   EL_ENVELOPE_3,
4174   EL_ENVELOPE_4,
4175
4176   EL_SIGN_RADIOACTIVITY,
4177   EL_SIGN_WHEELCHAIR,
4178   EL_SIGN_PARKING,
4179   EL_SIGN_NO_ENTRY,
4180
4181   EL_SIGN_GIVE_WAY,
4182   EL_SIGN_ENTRY_FORBIDDEN,
4183   EL_SIGN_EMERGENCY_EXIT,
4184   EL_SIGN_YIN_YANG,
4185
4186 #if 0
4187   EL_SIGN_SPERMS,
4188   EL_SIGN_BULLET,
4189   EL_SIGN_HEART,
4190   EL_SIGN_CROSS,
4191
4192   EL_SIGN_FRANKIE,
4193   EL_EMPTY,
4194   EL_EMPTY,
4195   EL_EMPTY,
4196
4197   EL_SPERMS,
4198   EL_BULLET,
4199   EL_HEART,
4200   EL_CROSS,
4201
4202   EL_FRANKIE,
4203   EL_EMPTY,
4204   EL_EMPTY,
4205   EL_EMPTY,
4206 #endif
4207
4208   EL_DC_STEELWALL_2_SINGLE,
4209   EL_DC_STEELWALL_2_TOP,
4210   EL_SIGN_EXCLAMATION,
4211   EL_SIGN_STOP,
4212
4213   EL_DC_STEELWALL_2_LEFT,
4214   EL_DC_STEELWALL_2_MIDDLE,
4215   EL_DC_STEELWALL_2_HORIZONTAL,
4216   EL_DC_STEELWALL_2_RIGHT,
4217
4218   EL_DC_STEELWALL_1_TOPLEFT,
4219   EL_DC_STEELWALL_2_VERTICAL,
4220   EL_DC_STEELWALL_1_TOPRIGHT,
4221   EL_DC_GATE_WHITE,
4222
4223   EL_DC_STEELWALL_1_VERTICAL,
4224   EL_DC_STEELWALL_2_BOTTOM,
4225   EL_DC_KEY_WHITE,
4226   EL_DC_GATE_WHITE_GRAY,
4227
4228   EL_DC_STEELWALL_1_BOTTOMLEFT,
4229   EL_DC_STEELWALL_1_HORIZONTAL,
4230   EL_DC_STEELWALL_1_BOTTOMRIGHT,
4231   EL_DC_GATE_FAKE_GRAY,
4232
4233   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
4234   EL_DC_STEELWALL_1_BOTTOM,
4235   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
4236   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
4237
4238   EL_DC_STEELWALL_1_RIGHT,
4239   EL_EMPTY,
4240   EL_DC_STEELWALL_1_LEFT,
4241   EL_EXPANDABLE_STEELWALL_VERTICAL,
4242
4243   EL_DC_STEELWALL_1_TOPRIGHT_2,
4244   EL_DC_STEELWALL_1_TOP,
4245   EL_DC_STEELWALL_1_TOPLEFT_2,
4246   EL_EXPANDABLE_STEELWALL_ANY,
4247 };
4248 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
4249 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
4250 static int num_editor_hl_diamond_caves = SIZEOF_ARRAY_INT(editor_hl_diamond_caves);
4251 static int num_editor_el_diamond_caves = SIZEOF_ARRAY_INT(editor_el_diamond_caves);
4252
4253 static int editor_hl_dx_boulderdash[] =
4254 {
4255   EL_INTERNAL_CASCADE_DX_ACTIVE,
4256   EL_CHAR('D'),
4257   EL_CHAR('X'),
4258   EL_EMPTY,
4259 };
4260
4261 static int editor_el_dx_boulderdash[] =
4262 {
4263   EL_EMPTY,
4264   EL_TUBE_RIGHT_DOWN,
4265   EL_TUBE_HORIZONTAL_DOWN,
4266   EL_TUBE_LEFT_DOWN,
4267
4268   EL_TUBE_HORIZONTAL,
4269   EL_TUBE_VERTICAL_RIGHT,
4270   EL_TUBE_ANY,
4271   EL_TUBE_VERTICAL_LEFT,
4272
4273   EL_TUBE_VERTICAL,
4274   EL_TUBE_RIGHT_UP,
4275   EL_TUBE_HORIZONTAL_UP,
4276   EL_TUBE_LEFT_UP,
4277
4278   EL_TRAP,
4279   EL_DX_SUPABOMB,
4280   EL_EMPTY,
4281   EL_EMPTY
4282 };
4283 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
4284 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
4285 static int num_editor_hl_dx_boulderdash = SIZEOF_ARRAY_INT(editor_hl_dx_boulderdash);
4286 static int num_editor_el_dx_boulderdash = SIZEOF_ARRAY_INT(editor_el_dx_boulderdash);
4287
4288 static int editor_hl_mirror_magic[] =
4289 {
4290   EL_INTERNAL_CASCADE_MM_ACTIVE,
4291   EL_CHAR('M'),
4292   EL_CHAR('M'),
4293   EL_EMPTY,
4294 };
4295
4296 static int editor_el_mirror_magic[] =
4297 {
4298   EL_MM_MCDUFFIN_RIGHT,
4299   EL_MM_MCDUFFIN_UP,
4300   EL_MM_MCDUFFIN_LEFT,
4301   EL_MM_MCDUFFIN_DOWN,
4302
4303   EL_MM_MIRROR_START,
4304   EL_MM_MIRROR_FIXED_START,
4305   EL_MM_POLARISATOR_START,
4306   EL_MM_POLARISATOR_CROSS_START,
4307
4308   EL_MM_BEAMER_RED_START,
4309   EL_MM_BEAMER_YELLOW_START,
4310   EL_MM_BEAMER_GREEN_START,
4311   EL_MM_BEAMER_BLUE_START,
4312
4313   EL_MM_PRISM,
4314   EL_MM_FUSE_ACTIVE,
4315   EL_MM_PACMAN_RIGHT,
4316   EL_MM_EXIT_CLOSED,
4317
4318   EL_MM_KETTLE,
4319   EL_MM_BOMB,
4320   EL_MM_KEY,
4321   EL_MM_FUEL_FULL,
4322
4323   EL_MM_LIGHTBULB,
4324   EL_MM_LIGHTBULB_ACTIVE,
4325   EL_MM_GRAY_BALL,
4326   EL_MM_LIGHTBALL,
4327
4328   EL_MM_STEEL_WALL,
4329   EL_MM_WOODEN_WALL,
4330   EL_MM_ICE_WALL,
4331   EL_MM_AMOEBA_WALL,
4332
4333   EL_MM_STEEL_LOCK,
4334   EL_MM_WOODEN_LOCK,
4335   EL_MM_STEEL_BLOCK,
4336   EL_MM_WOODEN_BLOCK,
4337
4338   EL_MM_STEEL_GRID_FIXED_1,
4339   EL_MM_STEEL_GRID_FIXED_2,
4340   EL_MM_STEEL_GRID_FIXED_3,
4341   EL_MM_STEEL_GRID_FIXED_4,
4342
4343   EL_MM_WOODEN_GRID_FIXED_1,
4344   EL_MM_WOODEN_GRID_FIXED_2,
4345   EL_MM_WOODEN_GRID_FIXED_3,
4346   EL_MM_WOODEN_GRID_FIXED_4
4347 };
4348 static int *editor_hl_mirror_magic_ptr = editor_hl_mirror_magic;
4349 static int *editor_el_mirror_magic_ptr = editor_el_mirror_magic;
4350 static int num_editor_hl_mirror_magic = SIZEOF_ARRAY_INT(editor_hl_mirror_magic);
4351 static int num_editor_el_mirror_magic = SIZEOF_ARRAY_INT(editor_el_mirror_magic);
4352
4353 static int editor_hl_deflektor[] =
4354 {
4355   EL_INTERNAL_CASCADE_DF_ACTIVE,
4356   EL_CHAR('D'),
4357   EL_CHAR('F'),
4358   EL_EMPTY,
4359 };
4360
4361 static int editor_el_deflektor[] =
4362 {
4363   EL_DF_LASER_RIGHT,
4364   EL_DF_LASER_UP,
4365   EL_DF_LASER_LEFT,
4366   EL_DF_LASER_DOWN,
4367
4368   EL_DF_RECEIVER_RIGHT,
4369   EL_DF_RECEIVER_UP,
4370   EL_DF_RECEIVER_LEFT,
4371   EL_DF_RECEIVER_DOWN,
4372
4373   EL_DF_MIRROR_START,
4374   EL_DF_MIRROR_ROTATING_START,
4375   EL_DF_CELL,
4376   EL_DF_MINE,
4377
4378   EL_DF_FIBRE_OPTIC_RED_1,
4379   EL_DF_FIBRE_OPTIC_YELLOW_1,
4380   EL_DF_FIBRE_OPTIC_GREEN_1,
4381   EL_DF_FIBRE_OPTIC_BLUE_1,
4382
4383   EL_DF_STEEL_GRID_FIXED_START,
4384   EL_DF_STEEL_GRID_ROTATING_START,
4385   EL_DF_WOODEN_GRID_FIXED_START,
4386   EL_DF_WOODEN_GRID_ROTATING_START,
4387
4388   EL_DF_STEEL_WALL,
4389   EL_DF_WOODEN_WALL,
4390   EL_DF_REFRACTOR,
4391   EL_EMPTY
4392 };
4393 static int *editor_hl_deflektor_ptr = editor_hl_deflektor;
4394 static int *editor_el_deflektor_ptr = editor_el_deflektor;
4395 static int num_editor_hl_deflektor = SIZEOF_ARRAY_INT(editor_hl_deflektor);
4396 static int num_editor_el_deflektor = SIZEOF_ARRAY_INT(editor_el_deflektor);
4397
4398 static int editor_hl_chars[] =
4399 {
4400   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
4401   EL_CHAR('T'),
4402   EL_CHAR('X'),
4403   EL_CHAR('T'),
4404 };
4405
4406 static int editor_el_chars[] =
4407 {
4408   EL_CHAR(' '),
4409   EL_CHAR('!'),
4410   EL_CHAR('"'),
4411   EL_CHAR('#'),
4412
4413   EL_CHAR('$'),
4414   EL_CHAR('%'),
4415   EL_CHAR('&'),
4416   EL_CHAR('\''),
4417
4418   EL_CHAR('('),
4419   EL_CHAR(')'),
4420   EL_CHAR('*'),
4421   EL_CHAR('+'),
4422
4423   EL_CHAR(','),
4424   EL_CHAR('-'),
4425   EL_CHAR('.'),
4426   EL_CHAR('/'),
4427
4428   EL_CHAR('0'),
4429   EL_CHAR('1'),
4430   EL_CHAR('2'),
4431   EL_CHAR('3'),
4432
4433   EL_CHAR('4'),
4434   EL_CHAR('5'),
4435   EL_CHAR('6'),
4436   EL_CHAR('7'),
4437
4438   EL_CHAR('8'),
4439   EL_CHAR('9'),
4440   EL_CHAR(':'),
4441   EL_CHAR(';'),
4442
4443   EL_CHAR('<'),
4444   EL_CHAR('='),
4445   EL_CHAR('>'),
4446   EL_CHAR('?'),
4447
4448   EL_CHAR('@'),
4449   EL_CHAR('A'),
4450   EL_CHAR('B'),
4451   EL_CHAR('C'),
4452
4453   EL_CHAR('D'),
4454   EL_CHAR('E'),
4455   EL_CHAR('F'),
4456   EL_CHAR('G'),
4457
4458   EL_CHAR('H'),
4459   EL_CHAR('I'),
4460   EL_CHAR('J'),
4461   EL_CHAR('K'),
4462
4463   EL_CHAR('L'),
4464   EL_CHAR('M'),
4465   EL_CHAR('N'),
4466   EL_CHAR('O'),
4467
4468   EL_CHAR('P'),
4469   EL_CHAR('Q'),
4470   EL_CHAR('R'),
4471   EL_CHAR('S'),
4472
4473   EL_CHAR('T'),
4474   EL_CHAR('U'),
4475   EL_CHAR('V'),
4476   EL_CHAR('W'),
4477
4478   EL_CHAR('X'),
4479   EL_CHAR('Y'),
4480   EL_CHAR('Z'),
4481   EL_CHAR('['),
4482
4483   EL_CHAR('\\'),
4484   EL_CHAR(']'),
4485   EL_CHAR('^'),
4486   EL_CHAR('_'),
4487
4488   EL_CHAR(CHAR_BYTE_COPYRIGHT),
4489   EL_CHAR(CHAR_BYTE_UMLAUT_A),
4490   EL_CHAR(CHAR_BYTE_UMLAUT_O),
4491   EL_CHAR(CHAR_BYTE_UMLAUT_U),
4492
4493   EL_CHAR(CHAR_BYTE_DEGREE),
4494   EL_CHAR(CHAR_BYTE_REGISTERED),
4495   EL_CHAR(FONT_ASCII_CURSOR),
4496   EL_CHAR(FONT_ASCII_BUTTON),
4497
4498   EL_CHAR(FONT_ASCII_UP),
4499   EL_CHAR(FONT_ASCII_DOWN),
4500   EL_CHAR(' '),
4501   EL_CHAR(' ')
4502 };
4503 static int *editor_hl_chars_ptr = editor_hl_chars;
4504 static int *editor_el_chars_ptr = editor_el_chars;
4505 static int num_editor_hl_chars = SIZEOF_ARRAY_INT(editor_hl_chars);
4506 static int num_editor_el_chars = SIZEOF_ARRAY_INT(editor_el_chars);
4507
4508 static int editor_hl_steel_chars[] =
4509 {
4510   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
4511   EL_STEEL_CHAR('T'),
4512   EL_STEEL_CHAR('X'),
4513   EL_STEEL_CHAR('T'),
4514 };
4515
4516 static int editor_el_steel_chars[] =
4517 {
4518   EL_STEEL_CHAR(' '),
4519   EL_STEEL_CHAR('!'),
4520   EL_STEEL_CHAR('"'),
4521   EL_STEEL_CHAR('#'),
4522
4523   EL_STEEL_CHAR('$'),
4524   EL_STEEL_CHAR('%'),
4525   EL_STEEL_CHAR('&'),
4526   EL_STEEL_CHAR('\''),
4527
4528   EL_STEEL_CHAR('('),
4529   EL_STEEL_CHAR(')'),
4530   EL_STEEL_CHAR('*'),
4531   EL_STEEL_CHAR('+'),
4532
4533   EL_STEEL_CHAR(','),
4534   EL_STEEL_CHAR('-'),
4535   EL_STEEL_CHAR('.'),
4536   EL_STEEL_CHAR('/'),
4537
4538   EL_STEEL_CHAR('0'),
4539   EL_STEEL_CHAR('1'),
4540   EL_STEEL_CHAR('2'),
4541   EL_STEEL_CHAR('3'),
4542
4543   EL_STEEL_CHAR('4'),
4544   EL_STEEL_CHAR('5'),
4545   EL_STEEL_CHAR('6'),
4546   EL_STEEL_CHAR('7'),
4547
4548   EL_STEEL_CHAR('8'),
4549   EL_STEEL_CHAR('9'),
4550   EL_STEEL_CHAR(':'),
4551   EL_STEEL_CHAR(';'),
4552
4553   EL_STEEL_CHAR('<'),
4554   EL_STEEL_CHAR('='),
4555   EL_STEEL_CHAR('>'),
4556   EL_STEEL_CHAR('?'),
4557
4558   EL_STEEL_CHAR('@'),
4559   EL_STEEL_CHAR('A'),
4560   EL_STEEL_CHAR('B'),
4561   EL_STEEL_CHAR('C'),
4562
4563   EL_STEEL_CHAR('D'),
4564   EL_STEEL_CHAR('E'),
4565   EL_STEEL_CHAR('F'),
4566   EL_STEEL_CHAR('G'),
4567
4568   EL_STEEL_CHAR('H'),
4569   EL_STEEL_CHAR('I'),
4570   EL_STEEL_CHAR('J'),
4571   EL_STEEL_CHAR('K'),
4572
4573   EL_STEEL_CHAR('L'),
4574   EL_STEEL_CHAR('M'),
4575   EL_STEEL_CHAR('N'),
4576   EL_STEEL_CHAR('O'),
4577
4578   EL_STEEL_CHAR('P'),
4579   EL_STEEL_CHAR('Q'),
4580   EL_STEEL_CHAR('R'),
4581   EL_STEEL_CHAR('S'),
4582
4583   EL_STEEL_CHAR('T'),
4584   EL_STEEL_CHAR('U'),
4585   EL_STEEL_CHAR('V'),
4586   EL_STEEL_CHAR('W'),
4587
4588   EL_STEEL_CHAR('X'),
4589   EL_STEEL_CHAR('Y'),
4590   EL_STEEL_CHAR('Z'),
4591   EL_STEEL_CHAR('['),
4592
4593   EL_STEEL_CHAR('\\'),
4594   EL_STEEL_CHAR(']'),
4595   EL_STEEL_CHAR('^'),
4596   EL_STEEL_CHAR('_'),
4597
4598   EL_STEEL_CHAR(CHAR_BYTE_COPYRIGHT),
4599   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_A),
4600   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_O),
4601   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_U),
4602
4603   EL_STEEL_CHAR(CHAR_BYTE_DEGREE),
4604   EL_STEEL_CHAR(CHAR_BYTE_REGISTERED),
4605   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
4606   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
4607
4608   EL_STEEL_CHAR(FONT_ASCII_UP),
4609   EL_STEEL_CHAR(FONT_ASCII_DOWN),
4610   EL_STEEL_CHAR(' '),
4611   EL_STEEL_CHAR(' ')
4612 };
4613 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
4614 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
4615 static int num_editor_hl_steel_chars = SIZEOF_ARRAY_INT(editor_hl_steel_chars);
4616 static int num_editor_el_steel_chars = SIZEOF_ARRAY_INT(editor_el_steel_chars);
4617
4618 static int editor_hl_custom[] =
4619 {
4620   EL_INTERNAL_CASCADE_CE_ACTIVE,
4621   EL_CHAR('C'),
4622   EL_CHAR('E'),
4623   EL_EMPTY,
4624 };
4625
4626 static int editor_el_custom[] =
4627 {
4628   EL_CUSTOM_START + 0,
4629   EL_CUSTOM_START + 1,
4630   EL_CUSTOM_START + 2,
4631   EL_CUSTOM_START + 3,
4632
4633   EL_CUSTOM_START + 4,
4634   EL_CUSTOM_START + 5,
4635   EL_CUSTOM_START + 6,
4636   EL_CUSTOM_START + 7,
4637
4638   EL_CUSTOM_START + 8,
4639   EL_CUSTOM_START + 9,
4640   EL_CUSTOM_START + 10,
4641   EL_CUSTOM_START + 11,
4642
4643   EL_CUSTOM_START + 12,
4644   EL_CUSTOM_START + 13,
4645   EL_CUSTOM_START + 14,
4646   EL_CUSTOM_START + 15,
4647
4648   EL_CUSTOM_START + 16,
4649   EL_CUSTOM_START + 17,
4650   EL_CUSTOM_START + 18,
4651   EL_CUSTOM_START + 19,
4652
4653   EL_CUSTOM_START + 20,
4654   EL_CUSTOM_START + 21,
4655   EL_CUSTOM_START + 22,
4656   EL_CUSTOM_START + 23,
4657
4658   EL_CUSTOM_START + 24,
4659   EL_CUSTOM_START + 25,
4660   EL_CUSTOM_START + 26,
4661   EL_CUSTOM_START + 27,
4662
4663   EL_CUSTOM_START + 28,
4664   EL_CUSTOM_START + 29,
4665   EL_CUSTOM_START + 30,
4666   EL_CUSTOM_START + 31,
4667
4668   EL_CUSTOM_START + 32,
4669   EL_CUSTOM_START + 33,
4670   EL_CUSTOM_START + 34,
4671   EL_CUSTOM_START + 35,
4672
4673   EL_CUSTOM_START + 36,
4674   EL_CUSTOM_START + 37,
4675   EL_CUSTOM_START + 38,
4676   EL_CUSTOM_START + 39,
4677
4678   EL_CUSTOM_START + 40,
4679   EL_CUSTOM_START + 41,
4680   EL_CUSTOM_START + 42,
4681   EL_CUSTOM_START + 43,
4682
4683   EL_CUSTOM_START + 44,
4684   EL_CUSTOM_START + 45,
4685   EL_CUSTOM_START + 46,
4686   EL_CUSTOM_START + 47,
4687
4688   EL_CUSTOM_START + 48,
4689   EL_CUSTOM_START + 49,
4690   EL_CUSTOM_START + 50,
4691   EL_CUSTOM_START + 51,
4692
4693   EL_CUSTOM_START + 52,
4694   EL_CUSTOM_START + 53,
4695   EL_CUSTOM_START + 54,
4696   EL_CUSTOM_START + 55,
4697
4698   EL_CUSTOM_START + 56,
4699   EL_CUSTOM_START + 57,
4700   EL_CUSTOM_START + 58,
4701   EL_CUSTOM_START + 59,
4702
4703   EL_CUSTOM_START + 60,
4704   EL_CUSTOM_START + 61,
4705   EL_CUSTOM_START + 62,
4706   EL_CUSTOM_START + 63,
4707
4708   EL_CUSTOM_START + 64,
4709   EL_CUSTOM_START + 65,
4710   EL_CUSTOM_START + 66,
4711   EL_CUSTOM_START + 67,
4712
4713   EL_CUSTOM_START + 68,
4714   EL_CUSTOM_START + 69,
4715   EL_CUSTOM_START + 70,
4716   EL_CUSTOM_START + 71,
4717
4718   EL_CUSTOM_START + 72,
4719   EL_CUSTOM_START + 73,
4720   EL_CUSTOM_START + 74,
4721   EL_CUSTOM_START + 75,
4722
4723   EL_CUSTOM_START + 76,
4724   EL_CUSTOM_START + 77,
4725   EL_CUSTOM_START + 78,
4726   EL_CUSTOM_START + 79,
4727
4728   EL_CUSTOM_START + 80,
4729   EL_CUSTOM_START + 81,
4730   EL_CUSTOM_START + 82,
4731   EL_CUSTOM_START + 83,
4732
4733   EL_CUSTOM_START + 84,
4734   EL_CUSTOM_START + 85,
4735   EL_CUSTOM_START + 86,
4736   EL_CUSTOM_START + 87,
4737
4738   EL_CUSTOM_START + 88,
4739   EL_CUSTOM_START + 89,
4740   EL_CUSTOM_START + 90,
4741   EL_CUSTOM_START + 91,
4742
4743   EL_CUSTOM_START + 92,
4744   EL_CUSTOM_START + 93,
4745   EL_CUSTOM_START + 94,
4746   EL_CUSTOM_START + 95,
4747
4748   EL_CUSTOM_START + 96,
4749   EL_CUSTOM_START + 97,
4750   EL_CUSTOM_START + 98,
4751   EL_CUSTOM_START + 99,
4752
4753   EL_CUSTOM_START + 100,
4754   EL_CUSTOM_START + 101,
4755   EL_CUSTOM_START + 102,
4756   EL_CUSTOM_START + 103,
4757
4758   EL_CUSTOM_START + 104,
4759   EL_CUSTOM_START + 105,
4760   EL_CUSTOM_START + 106,
4761   EL_CUSTOM_START + 107,
4762
4763   EL_CUSTOM_START + 108,
4764   EL_CUSTOM_START + 109,
4765   EL_CUSTOM_START + 110,
4766   EL_CUSTOM_START + 111,
4767
4768   EL_CUSTOM_START + 112,
4769   EL_CUSTOM_START + 113,
4770   EL_CUSTOM_START + 114,
4771   EL_CUSTOM_START + 115,
4772
4773   EL_CUSTOM_START + 116,
4774   EL_CUSTOM_START + 117,
4775   EL_CUSTOM_START + 118,
4776   EL_CUSTOM_START + 119,
4777
4778   EL_CUSTOM_START + 120,
4779   EL_CUSTOM_START + 121,
4780   EL_CUSTOM_START + 122,
4781   EL_CUSTOM_START + 123,
4782
4783   EL_CUSTOM_START + 124,
4784   EL_CUSTOM_START + 125,
4785   EL_CUSTOM_START + 126,
4786   EL_CUSTOM_START + 127,
4787
4788   EL_CUSTOM_START + 128,
4789   EL_CUSTOM_START + 129,
4790   EL_CUSTOM_START + 130,
4791   EL_CUSTOM_START + 131,
4792
4793   EL_CUSTOM_START + 132,
4794   EL_CUSTOM_START + 133,
4795   EL_CUSTOM_START + 134,
4796   EL_CUSTOM_START + 135,
4797
4798   EL_CUSTOM_START + 136,
4799   EL_CUSTOM_START + 137,
4800   EL_CUSTOM_START + 138,
4801   EL_CUSTOM_START + 139,
4802
4803   EL_CUSTOM_START + 140,
4804   EL_CUSTOM_START + 141,
4805   EL_CUSTOM_START + 142,
4806   EL_CUSTOM_START + 143,
4807
4808   EL_CUSTOM_START + 144,
4809   EL_CUSTOM_START + 145,
4810   EL_CUSTOM_START + 146,
4811   EL_CUSTOM_START + 147,
4812
4813   EL_CUSTOM_START + 148,
4814   EL_CUSTOM_START + 149,
4815   EL_CUSTOM_START + 150,
4816   EL_CUSTOM_START + 151,
4817
4818   EL_CUSTOM_START + 152,
4819   EL_CUSTOM_START + 153,
4820   EL_CUSTOM_START + 154,
4821   EL_CUSTOM_START + 155,
4822
4823   EL_CUSTOM_START + 156,
4824   EL_CUSTOM_START + 157,
4825   EL_CUSTOM_START + 158,
4826   EL_CUSTOM_START + 159,
4827
4828   EL_CUSTOM_START + 160,
4829   EL_CUSTOM_START + 161,
4830   EL_CUSTOM_START + 162,
4831   EL_CUSTOM_START + 163,
4832
4833   EL_CUSTOM_START + 164,
4834   EL_CUSTOM_START + 165,
4835   EL_CUSTOM_START + 166,
4836   EL_CUSTOM_START + 167,
4837
4838   EL_CUSTOM_START + 168,
4839   EL_CUSTOM_START + 169,
4840   EL_CUSTOM_START + 170,
4841   EL_CUSTOM_START + 171,
4842
4843   EL_CUSTOM_START + 172,
4844   EL_CUSTOM_START + 173,
4845   EL_CUSTOM_START + 174,
4846   EL_CUSTOM_START + 175,
4847
4848   EL_CUSTOM_START + 176,
4849   EL_CUSTOM_START + 177,
4850   EL_CUSTOM_START + 178,
4851   EL_CUSTOM_START + 179,
4852
4853   EL_CUSTOM_START + 180,
4854   EL_CUSTOM_START + 181,
4855   EL_CUSTOM_START + 182,
4856   EL_CUSTOM_START + 183,
4857
4858   EL_CUSTOM_START + 184,
4859   EL_CUSTOM_START + 185,
4860   EL_CUSTOM_START + 186,
4861   EL_CUSTOM_START + 187,
4862
4863   EL_CUSTOM_START + 188,
4864   EL_CUSTOM_START + 189,
4865   EL_CUSTOM_START + 190,
4866   EL_CUSTOM_START + 191,
4867
4868   EL_CUSTOM_START + 192,
4869   EL_CUSTOM_START + 193,
4870   EL_CUSTOM_START + 194,
4871   EL_CUSTOM_START + 195,
4872
4873   EL_CUSTOM_START + 196,
4874   EL_CUSTOM_START + 197,
4875   EL_CUSTOM_START + 198,
4876   EL_CUSTOM_START + 199,
4877
4878   EL_CUSTOM_START + 200,
4879   EL_CUSTOM_START + 201,
4880   EL_CUSTOM_START + 202,
4881   EL_CUSTOM_START + 203,
4882
4883   EL_CUSTOM_START + 204,
4884   EL_CUSTOM_START + 205,
4885   EL_CUSTOM_START + 206,
4886   EL_CUSTOM_START + 207,
4887
4888   EL_CUSTOM_START + 208,
4889   EL_CUSTOM_START + 209,
4890   EL_CUSTOM_START + 210,
4891   EL_CUSTOM_START + 211,
4892
4893   EL_CUSTOM_START + 212,
4894   EL_CUSTOM_START + 213,
4895   EL_CUSTOM_START + 214,
4896   EL_CUSTOM_START + 215,
4897
4898   EL_CUSTOM_START + 216,
4899   EL_CUSTOM_START + 217,
4900   EL_CUSTOM_START + 218,
4901   EL_CUSTOM_START + 219,
4902
4903   EL_CUSTOM_START + 220,
4904   EL_CUSTOM_START + 221,
4905   EL_CUSTOM_START + 222,
4906   EL_CUSTOM_START + 223,
4907
4908   EL_CUSTOM_START + 224,
4909   EL_CUSTOM_START + 225,
4910   EL_CUSTOM_START + 226,
4911   EL_CUSTOM_START + 227,
4912
4913   EL_CUSTOM_START + 228,
4914   EL_CUSTOM_START + 229,
4915   EL_CUSTOM_START + 230,
4916   EL_CUSTOM_START + 231,
4917
4918   EL_CUSTOM_START + 232,
4919   EL_CUSTOM_START + 233,
4920   EL_CUSTOM_START + 234,
4921   EL_CUSTOM_START + 235,
4922
4923   EL_CUSTOM_START + 236,
4924   EL_CUSTOM_START + 237,
4925   EL_CUSTOM_START + 238,
4926   EL_CUSTOM_START + 239,
4927
4928   EL_CUSTOM_START + 240,
4929   EL_CUSTOM_START + 241,
4930   EL_CUSTOM_START + 242,
4931   EL_CUSTOM_START + 243,
4932
4933   EL_CUSTOM_START + 244,
4934   EL_CUSTOM_START + 245,
4935   EL_CUSTOM_START + 246,
4936   EL_CUSTOM_START + 247,
4937
4938   EL_CUSTOM_START + 248,
4939   EL_CUSTOM_START + 249,
4940   EL_CUSTOM_START + 250,
4941   EL_CUSTOM_START + 251,
4942
4943   EL_CUSTOM_START + 252,
4944   EL_CUSTOM_START + 253,
4945   EL_CUSTOM_START + 254,
4946   EL_CUSTOM_START + 255
4947 };
4948 static int *editor_hl_custom_ptr = editor_hl_custom;
4949 static int *editor_el_custom_ptr = editor_el_custom;
4950 static int num_editor_hl_custom = SIZEOF_ARRAY_INT(editor_hl_custom);
4951 static int num_editor_el_custom = SIZEOF_ARRAY_INT(editor_el_custom);
4952
4953 static int editor_hl_group[] =
4954 {
4955   EL_INTERNAL_CASCADE_GE_ACTIVE,
4956   EL_CHAR('G'),
4957   EL_CHAR('E'),
4958   EL_EMPTY,
4959 };
4960
4961 static int editor_el_group[] =
4962 {
4963   EL_GROUP_START + 0,
4964   EL_GROUP_START + 1,
4965   EL_GROUP_START + 2,
4966   EL_GROUP_START + 3,
4967
4968   EL_GROUP_START + 4,
4969   EL_GROUP_START + 5,
4970   EL_GROUP_START + 6,
4971   EL_GROUP_START + 7,
4972
4973   EL_GROUP_START + 8,
4974   EL_GROUP_START + 9,
4975   EL_GROUP_START + 10,
4976   EL_GROUP_START + 11,
4977
4978   EL_GROUP_START + 12,
4979   EL_GROUP_START + 13,
4980   EL_GROUP_START + 14,
4981   EL_GROUP_START + 15,
4982
4983   EL_GROUP_START + 16,
4984   EL_GROUP_START + 17,
4985   EL_GROUP_START + 18,
4986   EL_GROUP_START + 19,
4987
4988   EL_GROUP_START + 20,
4989   EL_GROUP_START + 21,
4990   EL_GROUP_START + 22,
4991   EL_GROUP_START + 23,
4992
4993   EL_GROUP_START + 24,
4994   EL_GROUP_START + 25,
4995   EL_GROUP_START + 26,
4996   EL_GROUP_START + 27,
4997
4998   EL_GROUP_START + 28,
4999   EL_GROUP_START + 29,
5000   EL_GROUP_START + 30,
5001   EL_GROUP_START + 31
5002 };
5003 static int *editor_hl_group_ptr = editor_hl_group;
5004 static int *editor_el_group_ptr = editor_el_group;
5005 static int num_editor_hl_group = SIZEOF_ARRAY_INT(editor_hl_group);
5006 static int num_editor_el_group = SIZEOF_ARRAY_INT(editor_el_group);
5007
5008 static int editor_hl_reference[] =
5009 {
5010   EL_INTERNAL_CASCADE_REF_ACTIVE,
5011   EL_CHAR('R'),
5012   EL_CHAR('E'),
5013   EL_CHAR('F')
5014 };
5015
5016 static int editor_el_reference[] =
5017 {
5018   EL_TRIGGER_PLAYER,
5019   EL_TRIGGER_ELEMENT,
5020   EL_TRIGGER_CE_VALUE,
5021   EL_TRIGGER_CE_SCORE,
5022
5023   EL_SELF,
5024   EL_ANY_ELEMENT,
5025   EL_CURRENT_CE_VALUE,
5026   EL_CURRENT_CE_SCORE,
5027
5028   EL_PREV_CE_8,
5029   EL_PREV_CE_7,
5030   EL_PREV_CE_6,
5031   EL_PREV_CE_5,
5032
5033   EL_PREV_CE_4,
5034   EL_PREV_CE_3,
5035   EL_PREV_CE_2,
5036   EL_PREV_CE_1,
5037
5038   EL_NEXT_CE_1,
5039   EL_NEXT_CE_2,
5040   EL_NEXT_CE_3,
5041   EL_NEXT_CE_4,
5042
5043   EL_NEXT_CE_5,
5044   EL_NEXT_CE_6,
5045   EL_NEXT_CE_7,
5046   EL_NEXT_CE_8,
5047 };
5048 static int *editor_hl_reference_ptr = editor_hl_reference;
5049 static int *editor_el_reference_ptr = editor_el_reference;
5050 static int num_editor_hl_reference = SIZEOF_ARRAY_INT(editor_hl_reference);
5051 static int num_editor_el_reference = SIZEOF_ARRAY_INT(editor_el_reference);
5052
5053 static int editor_hl_user_defined[] =
5054 {
5055   EL_INTERNAL_CASCADE_USER_ACTIVE,
5056   EL_CHAR('M'),
5057   EL_CHAR('Y'),
5058   EL_EMPTY,
5059 };
5060
5061 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
5062 static int *editor_el_user_defined_ptr = NULL;
5063 static int num_editor_hl_user_defined=SIZEOF_ARRAY_INT(editor_hl_user_defined);
5064 static int num_editor_el_user_defined = 0;
5065
5066 static int editor_hl_dynamic[] =
5067 {
5068   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
5069   EL_CHAR('U'),
5070   EL_CHAR('S'),
5071   EL_CHAR('E'),
5072 };
5073
5074 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
5075 static int *editor_el_dynamic_ptr = NULL;
5076 static int num_editor_hl_dynamic = SIZEOF_ARRAY_INT(editor_hl_dynamic);
5077 static int num_editor_el_dynamic = 0;
5078
5079 static int editor_hl_empty[] = { EL_EMPTY };
5080 static int *editor_el_empty = NULL;     /* dynamically allocated */
5081
5082 static int *editor_hl_empty_ptr = editor_hl_empty;
5083 static int *editor_el_empty_ptr = NULL;
5084 static int num_editor_hl_empty = 0;
5085 static int num_editor_el_empty = 0;     /* dynamically determined, if needed */
5086
5087 static boolean use_el_empty = FALSE;
5088
5089 static int *editor_elements = NULL;     /* dynamically allocated */
5090 static int num_editor_elements = 0;     /* dynamically determined */
5091
5092 static boolean setup_editor_cascade_never = FALSE;
5093
5094 static boolean setup_editor_el_players                  = TRUE;
5095 static boolean setup_editor_el_boulderdash              = TRUE;
5096 static boolean setup_editor_el_emerald_mine             = TRUE;
5097 static boolean setup_editor_el_emerald_mine_club        = TRUE;
5098 static boolean setup_editor_el_more                     = TRUE;
5099 static boolean setup_editor_el_sokoban                  = TRUE;
5100 static boolean setup_editor_el_supaplex                 = TRUE;
5101 static boolean setup_editor_el_diamond_caves            = TRUE;
5102 static boolean setup_editor_el_dx_boulderdash           = TRUE;
5103 static boolean setup_editor_el_mirror_magic             = TRUE;
5104 static boolean setup_editor_el_deflektor                = TRUE;
5105 static boolean setup_editor_el_chars                    = TRUE;
5106 static boolean setup_editor_el_steel_chars              = TRUE;
5107 static boolean setup_editor_el_custom                   = TRUE;
5108 static boolean setup_editor_el_user_defined             = TRUE;
5109 static boolean setup_editor_el_dynamic                  = TRUE;
5110
5111 static int editor_hl_unused[] = { EL_EMPTY };
5112 static int *editor_hl_unused_ptr = editor_hl_unused;
5113 static int num_editor_hl_unused = 0;
5114
5115 static struct
5116 {
5117   boolean *setup_value;
5118   boolean *setup_cascade_value;
5119
5120   int **headline_list;
5121   int *headline_list_size;
5122
5123   int **element_list;
5124   int *element_list_size;
5125
5126   boolean last_setup_value;
5127 }
5128 editor_elements_info[] =
5129 {
5130   {
5131     &setup_editor_el_players,
5132     &setup_editor_cascade_never,
5133     &editor_hl_unused_ptr,              &num_editor_hl_unused,
5134     &editor_el_players_ptr,             &num_editor_el_players
5135   },
5136   {
5137     &setup_editor_el_boulderdash,
5138     &setup.editor_cascade.el_bd,
5139     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
5140     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
5141   },
5142   {
5143     &setup_editor_el_emerald_mine,
5144     &setup.editor_cascade.el_em,
5145     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
5146     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
5147   },
5148   {
5149     &setup_editor_el_emerald_mine_club,
5150     &setup.editor_cascade.el_emc,
5151     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
5152     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
5153   },
5154   {
5155     &setup_editor_el_more,
5156     &setup.editor_cascade.el_rnd,
5157     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
5158     &editor_el_rnd_ptr,                 &num_editor_el_rnd
5159   },
5160   {
5161     &setup_editor_el_sokoban,
5162     &setup.editor_cascade.el_sb,
5163     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
5164     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
5165   },
5166   {
5167     &setup_editor_el_supaplex,
5168     &setup.editor_cascade.el_sp,
5169     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
5170     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
5171   },
5172   {
5173     &setup_editor_el_diamond_caves,
5174     &setup.editor_cascade.el_dc,
5175     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
5176     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
5177   },
5178   {
5179     &setup_editor_el_dx_boulderdash,
5180     &setup.editor_cascade.el_dx,
5181     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
5182     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
5183   },
5184   {
5185     &setup_editor_el_mirror_magic,
5186     &setup.editor_cascade.el_mm,
5187     &editor_hl_mirror_magic_ptr,        &num_editor_hl_mirror_magic,
5188     &editor_el_mirror_magic_ptr,        &num_editor_el_mirror_magic
5189   },
5190   {
5191     &setup_editor_el_deflektor,
5192     &setup.editor_cascade.el_df,
5193     &editor_hl_deflektor_ptr,           &num_editor_hl_deflektor,
5194     &editor_el_deflektor_ptr,           &num_editor_el_deflektor
5195   },
5196   {
5197     &setup_editor_el_chars,
5198     &setup.editor_cascade.el_chars,
5199     &editor_hl_chars_ptr,               &num_editor_hl_chars,
5200     &editor_el_chars_ptr,               &num_editor_el_chars
5201   },
5202   {
5203     &setup_editor_el_steel_chars,
5204     &setup.editor_cascade.el_steel_chars,
5205     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
5206     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
5207   },
5208   {
5209     &setup_editor_el_custom,
5210     &setup.editor_cascade.el_ce,
5211     &editor_hl_custom_ptr,              &num_editor_hl_custom,
5212     &editor_el_custom_ptr,              &num_editor_el_custom
5213   },
5214   {
5215     &setup_editor_el_custom,
5216     &setup.editor_cascade.el_ge,
5217     &editor_hl_group_ptr,               &num_editor_hl_group,
5218     &editor_el_group_ptr,               &num_editor_el_group
5219   },
5220   {
5221     &setup_editor_el_custom,
5222     &setup.editor_cascade.el_ref,
5223     &editor_hl_reference_ptr,           &num_editor_hl_reference,
5224     &editor_el_reference_ptr,           &num_editor_el_reference
5225   },
5226   {
5227     &setup_editor_el_user_defined,
5228     &setup.editor_cascade.el_user,
5229     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
5230     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
5231   },
5232   {
5233     &setup_editor_el_dynamic,
5234     &setup.editor_cascade.el_dynamic,
5235     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
5236     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
5237   },
5238   {
5239     &use_el_empty,
5240     &use_el_empty,
5241     &editor_hl_empty_ptr,               &num_editor_hl_empty,
5242     &editor_el_empty_ptr,               &num_editor_el_empty,
5243   },
5244   {
5245     NULL,
5246     NULL,
5247     NULL,                               NULL,
5248     NULL,                               NULL
5249   }
5250 };
5251
5252
5253 /*
5254   -----------------------------------------------------------------------------
5255   functions
5256   -----------------------------------------------------------------------------
5257 */
5258
5259 static int getMaxInfoTextLength()
5260 {
5261   return (SXSIZE / getFontWidth(INFOTEXT_FONT));
5262 }
5263
5264 static int getTextWidthForGadget(char *text)
5265 {
5266   if (text == NULL)
5267     return 0;
5268
5269   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
5270 }
5271
5272 static int getTextWidthForDrawingArea(char *text)
5273 {
5274   if (text == NULL)
5275     return 0;
5276
5277   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_TEXT_DISTANCE);
5278 }
5279
5280 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
5281 {
5282   return (gi->x + gi->width + getTextWidthForGadget(text));
5283 }
5284
5285 static char *getElementInfoText(int element)
5286 {
5287   char *info_text = NULL;
5288
5289   if (element < MAX_NUM_ELEMENTS)
5290   {
5291     if (strlen(element_info[element].description) > 0)
5292       info_text = element_info[element].description;
5293     else if (element_info[element].custom_description != NULL)
5294       info_text = element_info[element].custom_description;
5295     else if (element_info[element].editor_description != NULL)
5296       info_text = element_info[element].editor_description;
5297   }
5298
5299   if (info_text == NULL)
5300     info_text = INFOTEXT_UNKNOWN_ELEMENT;
5301
5302   return info_text;
5303 }
5304
5305 static char *getElementDescriptionFilenameExt(char *basename)
5306 {
5307   char *elements_subdir = "elements";
5308   static char *elements_subdir2 = NULL;
5309   static char *filename = NULL;
5310
5311   if (elements_subdir2 == NULL)
5312     elements_subdir2 = getPath2(DOCS_DIRECTORY, elements_subdir);
5313
5314   checked_free(filename);
5315
5316   /* 1st try: look for element description in current level set directory */
5317   filename = getPath3(getCurrentLevelDir(), elements_subdir2, basename);
5318   if (fileExists(filename))
5319     return filename;
5320
5321   free(filename);
5322
5323   /* 2nd try: look for element description in the game's base directory */
5324   filename = getPath3(options.docs_directory, elements_subdir, basename);
5325   if (fileExists(filename))
5326     return filename;
5327
5328   return NULL;
5329 }
5330
5331 char *getElementDescriptionFilename(int element)
5332 {
5333   char basename[MAX_FILENAME_LEN];
5334   char *filename;
5335
5336   /* 1st try: look for element description file for exactly this element */
5337   sprintf(basename, "%s.txt", element_info[element].token_name);
5338   filename = getElementDescriptionFilenameExt(basename);
5339   if (filename != NULL)
5340     return filename;
5341
5342   /* 2nd try: look for element description file for this element's class */
5343   sprintf(basename, "%s.txt", element_info[element].class_name);
5344   filename = getElementDescriptionFilenameExt(basename);
5345   if (filename != NULL)
5346     return filename;
5347
5348   return NULL;
5349 }
5350
5351 static void InitDynamicEditorElementList(int **elements, int *num_elements)
5352 {
5353   boolean element_found[NUM_FILE_ELEMENTS];
5354   int i, x, y;
5355
5356   /* initialize list of used elements to "not used" */
5357   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5358     element_found[i] = FALSE;
5359
5360   /* find all elements used in current level */
5361   for (y = 0; y < lev_fieldy; y++)
5362     for (x = 0; x < lev_fieldx; x++)
5363       if (Feld[x][y] < NUM_FILE_ELEMENTS)       /* should always be true */
5364         element_found[Feld[x][y]] = TRUE;
5365
5366   *num_elements = 0;
5367
5368   /* count number of elements used in current level */
5369   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5370     if (element_found[i])
5371       (*num_elements)++;
5372
5373   /* add space for up to 3 more elements for padding that may be needed */
5374   *num_elements += 3;
5375
5376   /* free memory for old list of elements, if needed */
5377   checked_free(*elements);
5378
5379   /* allocate memory for new list of elements */
5380   *elements = checked_malloc(*num_elements * sizeof(int));
5381
5382   *num_elements = 0;
5383
5384   /* add all elements used in current level (non-custom/group elements) */
5385   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5386     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
5387       (*elements)[(*num_elements)++] = i;
5388
5389   /* add all elements used in current level (custom/group elements) */
5390   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5391     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
5392       (*elements)[(*num_elements)++] = i;
5393
5394   while (*num_elements % 4)     /* pad with empty elements, if needed */
5395     (*elements)[(*num_elements)++] = EL_EMPTY;
5396 }
5397
5398 static void ReinitializeElementList_EnableSections()
5399 {
5400   /* default: enable all element sections */
5401
5402   setup_editor_el_players               = TRUE;
5403   setup_editor_el_boulderdash           = TRUE;
5404   setup_editor_el_emerald_mine          = TRUE;
5405   setup_editor_el_emerald_mine_club     = TRUE;
5406   setup_editor_el_more                  = TRUE;
5407   setup_editor_el_sokoban               = TRUE;
5408   setup_editor_el_supaplex              = TRUE;
5409   setup_editor_el_diamond_caves         = TRUE;
5410   setup_editor_el_dx_boulderdash        = TRUE;
5411   setup_editor_el_mirror_magic          = TRUE;
5412   setup_editor_el_deflektor             = TRUE;
5413   setup_editor_el_chars                 = TRUE;
5414   setup_editor_el_steel_chars           = TRUE;
5415
5416   setup_editor_el_custom                = TRUE;
5417   setup_editor_el_user_defined          = TRUE;
5418   setup_editor_el_dynamic               = TRUE;
5419
5420   /* now disable all element sections not to be displayed */
5421
5422   if (!setup.editor.el_classic)
5423   {
5424     setup_editor_el_players             = FALSE;
5425     setup_editor_el_boulderdash         = FALSE;
5426     setup_editor_el_emerald_mine        = FALSE;
5427     setup_editor_el_emerald_mine_club   = FALSE;
5428     setup_editor_el_more                = FALSE;
5429     setup_editor_el_sokoban             = FALSE;
5430     setup_editor_el_supaplex            = FALSE;
5431     setup_editor_el_diamond_caves       = FALSE;
5432     setup_editor_el_dx_boulderdash      = FALSE;
5433     setup_editor_el_mirror_magic        = FALSE;
5434     setup_editor_el_deflektor           = FALSE;
5435     setup_editor_el_chars               = FALSE;
5436     setup_editor_el_steel_chars         = FALSE;
5437   }
5438
5439   if (!setup.editor.el_custom)
5440   {
5441     setup_editor_el_custom              = FALSE;
5442   }
5443
5444   if (!setup.editor.el_user_defined)
5445   {
5446     setup_editor_el_user_defined        = FALSE;
5447   }
5448
5449   if (!setup.editor.el_dynamic)
5450   {
5451     setup_editor_el_dynamic             = FALSE;
5452   }
5453
5454   if (level.game_engine_type == GAME_ENGINE_TYPE_RND)
5455   {
5456     setup_editor_el_mirror_magic        = FALSE;
5457     setup_editor_el_deflektor           = FALSE;
5458   }
5459   else if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
5460   {
5461     setup_editor_el_boulderdash         = FALSE;
5462     setup_editor_el_more                = FALSE;
5463     setup_editor_el_sokoban             = FALSE;
5464     setup_editor_el_supaplex            = FALSE;
5465     setup_editor_el_dx_boulderdash      = FALSE;
5466     setup_editor_el_mirror_magic        = FALSE;
5467     setup_editor_el_deflektor           = FALSE;
5468     setup_editor_el_steel_chars         = FALSE;
5469
5470     setup_editor_el_custom              = FALSE;
5471   }
5472   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
5473   {
5474     setup_editor_el_players             = FALSE;
5475     setup_editor_el_boulderdash         = FALSE;
5476     setup_editor_el_emerald_mine        = FALSE;
5477     setup_editor_el_emerald_mine_club   = FALSE;
5478     setup_editor_el_more                = FALSE;
5479     setup_editor_el_sokoban             = FALSE;
5480     setup_editor_el_diamond_caves       = FALSE;
5481     setup_editor_el_dx_boulderdash      = FALSE;
5482     setup_editor_el_mirror_magic        = FALSE;
5483     setup_editor_el_deflektor           = FALSE;
5484     setup_editor_el_chars               = FALSE;
5485     setup_editor_el_steel_chars         = FALSE;
5486
5487     setup_editor_el_custom              = FALSE;
5488   }
5489   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
5490   {
5491     setup_editor_el_players             = FALSE;
5492     setup_editor_el_boulderdash         = FALSE;
5493     setup_editor_el_emerald_mine        = FALSE;
5494     setup_editor_el_emerald_mine_club   = FALSE;
5495     setup_editor_el_more                = FALSE;
5496     setup_editor_el_sokoban             = FALSE;
5497     setup_editor_el_supaplex            = FALSE;
5498     setup_editor_el_diamond_caves       = FALSE;
5499     setup_editor_el_dx_boulderdash      = FALSE;
5500     setup_editor_el_steel_chars         = FALSE;
5501
5502     setup_editor_el_custom              = FALSE;
5503   }
5504 }
5505
5506 static void ReinitializeElementList()
5507 {
5508   static boolean initialization_needed = TRUE;
5509   int pos = 0;
5510   int i, j;
5511
5512   ReinitializeElementList_EnableSections();
5513
5514   if (initialization_needed)
5515   {
5516     LoadSetup_EditorCascade();          /* load last editor cascade state */
5517
5518     /* initialize editor cascade element from saved cascade state */
5519     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5520     {
5521       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
5522       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
5523
5524       if (IS_EDITOR_CASCADE(*cascade_element))
5525         *cascade_element =
5526           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
5527            EL_CASCADE_INACTIVE(*cascade_element));
5528     }
5529
5530     initialization_needed = FALSE;
5531   }
5532
5533   checked_free(editor_elements);
5534
5535   /* reload optional user defined element list for each invocation of editor */
5536   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
5537                                    &num_editor_el_user_defined);
5538
5539   /* initialize dynamic level element list for each invocation of editor */
5540   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
5541                                &num_editor_el_dynamic);
5542
5543   /* initialize list of empty elements (used for padding, if needed) */
5544   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
5545     editor_el_empty[i] = EL_EMPTY;
5546
5547   /* do some sanity checks for each element from element list */
5548   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5549   {
5550     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5551     {
5552       int element = (*editor_elements_info[i].element_list)[j];
5553
5554       if (element >= NUM_FILE_ELEMENTS)
5555         Error(ERR_WARN, "editor element %d is runtime element", element);
5556
5557       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
5558         Error(ERR_WARN, "no element description text for element %d", element);
5559     }
5560   }
5561
5562   num_editor_elements = 0;
5563   use_el_empty = FALSE;
5564
5565   /* determine size of element list */
5566   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5567   {
5568     boolean found_inactive_cascade = FALSE;
5569
5570     if (*editor_elements_info[i].setup_value)
5571     {
5572       if (setup.editor.el_headlines)
5573       {
5574         // required for correct padding of palette headline buttons
5575         if (*editor_elements_info[i].headline_list_size > 0)
5576           num_editor_elements += editor.palette.cols;
5577
5578         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5579         {
5580           int element = (*editor_elements_info[i].headline_list)[j];
5581
5582           if (IS_EDITOR_CASCADE_INACTIVE(element))
5583             found_inactive_cascade = TRUE;
5584         }
5585       }
5586
5587       if (found_inactive_cascade)
5588         continue;
5589
5590       // required for correct padding of palette element buttons
5591       int element_list_size = *editor_elements_info[i].element_list_size;
5592       int element_rows =
5593         (element_list_size + editor.palette.cols - 1) / editor.palette.cols;
5594       int element_buttons = editor.palette.cols * element_rows;
5595
5596       num_editor_elements += element_buttons;
5597     }
5598   }
5599
5600   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
5601   {
5602     /* offer at least as many elements as element buttons exist */
5603     use_el_empty = TRUE;
5604     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
5605
5606     num_editor_elements += num_editor_el_empty;
5607   }
5608
5609   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
5610
5611   /* fill element list */
5612   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5613   {
5614     boolean found_inactive_cascade = FALSE;
5615
5616     if (*editor_elements_info[i].setup_value)
5617     {
5618       if (setup.editor.el_headlines)
5619       {
5620         // required for correct padding of palette headline buttons
5621         int headline_size = (*editor_elements_info[i].headline_list_size > 0 ?
5622                              editor.palette.cols : 0);
5623
5624         for (j = 0; j < headline_size; j++)
5625         {
5626           // use empty elements for padding of palette headline buttons
5627           int element = (j < *editor_elements_info[i].headline_list_size ?
5628                          (*editor_elements_info[i].headline_list)[j] :
5629                          editor_el_empty[0]);
5630
5631           editor_elements[pos++] = element;
5632
5633           if (IS_EDITOR_CASCADE_INACTIVE(element))
5634             found_inactive_cascade = TRUE;
5635         }
5636       }
5637
5638       if (found_inactive_cascade)
5639         continue;
5640
5641       // required for correct padding of palette element buttons
5642       int element_list_size = *editor_elements_info[i].element_list_size;
5643       int element_rows =
5644         (element_list_size + editor.palette.cols - 1) / editor.palette.cols;
5645       int element_buttons = editor.palette.cols * element_rows;
5646
5647       // copy all elements from element list
5648       for (j = 0; j < element_list_size; j++)
5649         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
5650
5651       // use empty elements for padding of palette element buttons
5652       for (j = 0; j < element_buttons - element_list_size; j++)
5653         editor_elements[pos++] = editor_el_empty[0];
5654     }
5655   }
5656
5657   /* (this function is also called before editor gadgets are initialized!) */
5658   AdjustElementListScrollbar();
5659 }
5660
5661 void PrintEditorElementList()
5662 {
5663   boolean *stop = &setup_editor_el_user_defined;
5664   int i, j;
5665
5666   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
5667   {
5668     int cascade_element = (*editor_elements_info[i].headline_list)[0];
5669
5670     if (IS_EDITOR_CASCADE(cascade_element))
5671     {
5672       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
5673       char *headline = element_info[cascade_element_show].editor_description;
5674
5675       PrintLineWithPrefix("# ", "-", 77);
5676       Print("# %s\n", headline);
5677       PrintLineWithPrefix("# ", "-", 77);
5678     }
5679
5680     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5681     {
5682       int element = (*editor_elements_info[i].headline_list)[j];
5683
5684       if (IS_EDITOR_CASCADE(element))
5685         element = EL_CHAR_MINUS;
5686
5687       Print("# %s\n", element_info[element].token_name);
5688     }
5689
5690     if (j > 0)
5691       Print("#\n");
5692
5693     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5694     {
5695       int element = (*editor_elements_info[i].element_list)[j];
5696
5697       Print("# %s\n", element_info[element].token_name);
5698     }
5699
5700     if (j > 0)
5701       Print("#\n");
5702   }
5703 }
5704
5705 static void ReinitializeElementListButtons()
5706 {
5707   static boolean last_setup_value_headlines = FALSE;
5708   static boolean initialization_needed = TRUE;
5709   int i;
5710
5711   if (!initialization_needed)   /* check if editor element setup has changed */
5712   {
5713     if (last_setup_value_headlines != setup.editor.el_headlines)
5714       initialization_needed = TRUE;
5715
5716     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5717       if (editor_elements_info[i].last_setup_value !=
5718           *editor_elements_info[i].setup_value)
5719         initialization_needed = TRUE;
5720   }
5721
5722   if (!initialization_needed)
5723     return;
5724
5725   FreeLevelEditorGadgets();
5726   CreateLevelEditorGadgets();
5727
5728   /* store current setup values for next invocation of this function */
5729   last_setup_value_headlines = setup.editor.el_headlines;
5730   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5731     editor_elements_info[i].last_setup_value =
5732       *editor_elements_info[i].setup_value;
5733
5734   initialization_needed = FALSE;
5735 }
5736
5737 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
5738                               boolean input)
5739 {
5740   int border_graphic =
5741     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
5742   struct GraphicInfo *g = &graphic_info[border_graphic];
5743   Bitmap *src_bitmap = g->bitmap;
5744   int src_x = g->src_x;
5745   int src_y = g->src_y;
5746   int border_size = g->border_size;
5747   int border_xpos = g->width  - border_size;
5748   int border_ypos = g->height - border_size;
5749   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
5750   int i;
5751
5752   BlitBitmap(src_bitmap, drawto, src_x, src_y,
5753              border_size, border_size,
5754              dest_x - border_size, dest_y - border_size);
5755   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y,
5756              border_size, border_size,
5757              dest_x + width, dest_y - border_size);
5758   BlitBitmap(src_bitmap, drawto, src_x, src_y + border_ypos,
5759              border_size, border_size,
5760              dest_x - border_size, dest_y + height);
5761   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_ypos,
5762              border_size, border_size,
5763              dest_x + width, dest_y + height);
5764
5765   for (i = 0; i < width / tilesize; i++)
5766   {
5767     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y,
5768                tilesize, border_size,
5769                dest_x + i * tilesize, dest_y - border_size);
5770     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y + border_ypos,
5771                tilesize, border_size,
5772                dest_x + i * tilesize, dest_y + height);
5773   }
5774
5775   for (i = 0; i < height / tilesize; i++)
5776   {
5777     BlitBitmap(src_bitmap, drawto, src_x, src_y + border_size,
5778                border_size, tilesize,
5779                dest_x - border_size, dest_y + i * tilesize);
5780     BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_size,
5781                border_size, tilesize,
5782                dest_x + width, dest_y + i * tilesize);
5783   }
5784
5785   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
5786 }
5787
5788 static void DrawEditorElement(int x, int y, int element)
5789 {
5790   DrawSizedElement(x, y, element, ed_tilesize);
5791 }
5792
5793 static void DrawEditorElementThruMask(int x, int y, int element)
5794 {
5795   DrawSizedElementThruMask(x, y, element, ed_tilesize);
5796 }
5797
5798 static void DrawEditorElementOrWall(int x, int y, int scroll_x, int scroll_y)
5799 {
5800   DrawSizedElementOrWall(x, y, scroll_x, scroll_y, ed_tilesize);
5801 }
5802
5803 static void DrawEditorLevel(int size_x, int size_y, int scroll_x, int scroll_y)
5804 {
5805   DrawSizedLevel(size_x, size_y, scroll_x, scroll_y, ed_tilesize);
5806 }
5807
5808 static void DrawDrawingArea(int id)
5809 {
5810   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
5811   int x, y;
5812
5813   int *value = drawingarea_info[id].value;
5814   int area_xsize = drawingarea_info[id].area_xsize;
5815   int area_ysize = drawingarea_info[id].area_ysize;
5816   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
5817
5818   for (x = 0; x < area_xsize; x++)
5819     for (y = 0; y < area_ysize; y++)
5820       DrawSizedGraphicExt(drawto,
5821                           gi->x + x * tilesize,
5822                           gi->y + y * tilesize,
5823                           el2edimg(value[x * area_ysize + y]), 0, tilesize);
5824 }
5825
5826 static void ScrollEditorLevel(int from_x, int from_y, int scroll)
5827 {
5828   int x, y;
5829   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
5830   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
5831
5832   BlitBitmap(drawto, drawto,
5833              SX + (dx == -1 ? ed_tilesize : 0),
5834              SY + (dy == -1 ? ed_tilesize : 0),
5835              (ed_fieldx * ed_tilesize) - (dx != 0 ? ed_tilesize : 0),
5836              (ed_fieldy * ed_tilesize) - (dy != 0 ? ed_tilesize : 0),
5837              SX + (dx == +1 ? ed_tilesize : 0),
5838              SY + (dy == +1 ? ed_tilesize : 0));
5839
5840   if (dx)
5841   {
5842     x = (dx == 1 ? 0 : ed_fieldx - 1);
5843     for (y = 0; y < ed_fieldy; y++)
5844       DrawEditorElementOrWall(x, y, from_x, from_y);
5845   }
5846   else if (dy)
5847   {
5848     y = (dy == 1 ? 0 : ed_fieldy - 1);
5849     for (x = 0; x < ed_fieldx; x++)
5850       DrawEditorElementOrWall(x, y, from_x, from_y);
5851   }
5852
5853   redraw_mask |= REDRAW_FIELD;
5854   BackToFront();
5855 }
5856
5857 void getEditorGraphicSource(int element, int tile_size, Bitmap **bitmap,
5858                             int *x, int *y)
5859 {
5860   getSizedGraphicSource(el2edimg(element), 0, tile_size, bitmap, x, y);
5861 }
5862
5863 static void CreateControlButtons()
5864 {
5865   struct GadgetInfo *gi;
5866   int i;
5867
5868   /* create toolbox buttons */
5869   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
5870   {
5871     int id = controlbutton_info[i].gadget_id;
5872     int type = controlbutton_info[i].gadget_type;
5873     int graphic = controlbutton_info[i].graphic;
5874     struct XYTileSize *pos = controlbutton_info[i].pos;
5875     struct GraphicInfo *gd = &graphic_info[graphic];
5876     Bitmap *deco_bitmap = NULL;
5877     int deco_x = 0, deco_y = 0, deco_xpos = 0, deco_ypos = 0;
5878     int tile_size = 0, deco_shift = 0;
5879     boolean deco_masked = FALSE;
5880     int gd_x1 = gd->src_x;
5881     int gd_y1 = gd->src_y;
5882     int gd_x2 = gd->src_x + gd->pressed_xoffset;
5883     int gd_y2 = gd->src_y + gd->pressed_yoffset;
5884     int gd_x1a = gd->src_x + gd->active_xoffset;
5885     int gd_y1a = gd->src_y + gd->active_yoffset;
5886     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
5887     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
5888     int x = pos->x;
5889     int y = pos->y;
5890     unsigned int event_mask;
5891     int radio_button_nr = RADIO_NR_NONE;
5892     boolean checked = FALSE;
5893
5894     if (type == GD_TYPE_RADIO_BUTTON)
5895     {
5896       event_mask = GD_EVENT_PRESSED;
5897       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
5898
5899       if (id == drawing_function)
5900         checked = TRUE;
5901     }
5902     else
5903     {
5904       if (id == GADGET_ID_WRAP_LEFT ||
5905           id == GADGET_ID_WRAP_RIGHT ||
5906           id == GADGET_ID_WRAP_UP ||
5907           id == GADGET_ID_WRAP_DOWN)
5908         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5909       else
5910         event_mask = GD_EVENT_RELEASED;
5911     }
5912
5913     if (id == GADGET_ID_PROPERTIES ||
5914         id == GADGET_ID_PALETTE)
5915     {
5916       x += DX;
5917       y += DY;
5918     }
5919     else if (id == GADGET_ID_ELEMENT_LEFT ||
5920              id == GADGET_ID_ELEMENT_MIDDLE ||
5921              id == GADGET_ID_ELEMENT_RIGHT)
5922     {
5923       x += DX;
5924       y += DY;
5925
5926       int element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
5927                      id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
5928                      id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 : EL_EMPTY);
5929
5930       tile_size = BUTTON_TILE_SIZE(id == GADGET_ID_ELEMENT_LEFT ?
5931                                    editor.button.element_left.tile_size :
5932                                    id == GADGET_ID_ELEMENT_MIDDLE ?
5933                                    editor.button.element_middle.tile_size :
5934                                    id == GADGET_ID_ELEMENT_RIGHT ?
5935                                    editor.button.element_right.tile_size : 0);
5936
5937       // make sure that decoration does not overlap gadget border
5938       tile_size = MIN(tile_size, MIN(gd->width, gd->height));
5939
5940       getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x,&deco_y);
5941
5942       deco_xpos = (gd->width  - tile_size) / 2;
5943       deco_ypos = (gd->height - tile_size) / 2;
5944       deco_shift = 1;
5945       deco_masked = gd->draw_masked;
5946     }
5947     else
5948     {
5949       x += EX;
5950       y += EY;
5951     }
5952
5953     gi = CreateGadget(GDI_CUSTOM_ID, id,
5954                       GDI_CUSTOM_TYPE_ID, i,
5955                       GDI_INFO_TEXT, controlbutton_info[i].infotext,
5956                       GDI_X, x,
5957                       GDI_Y, y,
5958                       GDI_WIDTH, gd->width,
5959                       GDI_HEIGHT, gd->height,
5960                       GDI_TYPE, type,
5961                       GDI_STATE, GD_BUTTON_UNPRESSED,
5962                       GDI_RADIO_NR, radio_button_nr,
5963                       GDI_CHECKED, checked,
5964                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
5965                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
5966                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
5967                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
5968                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
5969                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
5970                       GDI_DECORATION_SIZE, tile_size, tile_size,
5971                       GDI_DECORATION_SHIFTING, deco_shift, deco_shift,
5972                       GDI_DECORATION_MASKED, deco_masked,
5973                       GDI_EVENT_MASK, event_mask,
5974                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5975                       GDI_CALLBACK_ACTION, HandleControlButtons,
5976                       GDI_END);
5977
5978     if (gi == NULL)
5979       Error(ERR_EXIT, "cannot create gadget");
5980
5981     level_editor_gadget[id] = gi;
5982   }
5983
5984   /* these values are not constant, but can change at runtime */
5985   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
5986   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
5987   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
5988   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
5989   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
5990   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
5991   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
5992   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
5993   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].x    = ED_SCROLL2_UP_XPOS;
5994   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].y    = ED_SCROLL2_UP_YPOS;
5995   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].x  = ED_SCROLL2_DOWN_XPOS;
5996   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].y  = ED_SCROLL2_DOWN_YPOS;
5997
5998   /* create buttons for scrolling of drawing area and element list */
5999   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
6000   {
6001     int id = scrollbutton_info[i].gadget_id;
6002     int graphic = scrollbutton_info[i].graphic;
6003     struct GraphicInfo *gd = &graphic_info[graphic];
6004     Bitmap *gd_bitmap = gd->bitmap;
6005     int gd_x1 = gd->src_x;
6006     int gd_y1 = gd->src_y;
6007     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6008     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6009     int width  = gd->width;
6010     int height = gd->height;
6011     int x = scrollbutton_pos[i].x;
6012     int y = scrollbutton_pos[i].y;
6013     unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6014
6015     if (id == GADGET_ID_SCROLL_LIST_UP ||
6016         id == GADGET_ID_SCROLL_LIST_DOWN)
6017     {
6018       x += PX;
6019       y += PY;
6020     }
6021     else
6022     {
6023       x += SX;
6024       y += SY;
6025     }
6026
6027     gi = CreateGadget(GDI_CUSTOM_ID, id,
6028                       GDI_CUSTOM_TYPE_ID, i,
6029                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
6030                       GDI_X, x,
6031                       GDI_Y, y,
6032                       GDI_WIDTH, width,
6033                       GDI_HEIGHT, height,
6034                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6035                       GDI_STATE, GD_BUTTON_UNPRESSED,
6036                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6037                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6038                       GDI_EVENT_MASK, event_mask,
6039                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6040                       GDI_CALLBACK_ACTION, HandleControlButtons,
6041                       GDI_END);
6042
6043     if (gi == NULL)
6044       Error(ERR_EXIT, "cannot create gadget");
6045
6046     level_editor_gadget[id] = gi;
6047   }
6048
6049   /* create buttons for element list */
6050   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
6051   {
6052     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
6053     int graphic = IMG_EDITOR_PALETTE_BUTTON;
6054     struct GraphicInfo *gd = &graphic_info[graphic];
6055     Bitmap *gd_bitmap = gd->bitmap;
6056     Bitmap *deco_bitmap;
6057     int deco_x, deco_y, deco_xpos, deco_ypos;
6058     int gd_x1 = gd->src_x;
6059     int gd_y1 = gd->src_y;
6060     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6061     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6062     int xx = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
6063     int yy = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
6064     int x = PX + ED_ELEMENTLIST_XPOS + xx * gd->width;
6065     int y = PY + ED_ELEMENTLIST_YPOS + yy * gd->height;
6066     int element = editor_elements[i];
6067     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
6068     unsigned int event_mask = GD_EVENT_RELEASED;
6069
6070     getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
6071
6072     deco_xpos = (gd->width  - tile_size) / 2;
6073     deco_ypos = (gd->height - tile_size) / 2;
6074
6075     gi = CreateGadget(GDI_CUSTOM_ID, id,
6076                       GDI_CUSTOM_TYPE_ID, i,
6077                       GDI_INFO_TEXT, getElementInfoText(element),
6078                       GDI_X, x,
6079                       GDI_Y, y,
6080                       GDI_WIDTH, gd->width,
6081                       GDI_HEIGHT, gd->height,
6082                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6083                       GDI_STATE, GD_BUTTON_UNPRESSED,
6084                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6085                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6086                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
6087                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
6088                       GDI_DECORATION_SIZE, tile_size, tile_size,
6089                       GDI_DECORATION_SHIFTING, 1, 1,
6090                       GDI_EVENT_MASK, event_mask,
6091                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6092                       GDI_CALLBACK_ACTION, HandleControlButtons,
6093                       GDI_END);
6094
6095     if (gi == NULL)
6096       Error(ERR_EXIT, "cannot create gadget");
6097
6098     level_editor_gadget[id] = gi;
6099   }
6100 }
6101
6102 static void CreateCounterButtons()
6103 {
6104   int max_infotext_len = getMaxInfoTextLength();
6105   int i;
6106
6107   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
6108   {
6109     int j;
6110     int x = SX + ED_SETTINGS_X(counterbutton_info[i].x); /* down count button */
6111     int y = SY + ED_SETTINGS_Y(counterbutton_info[i].y);
6112
6113     /* determine horizontal position to the right of specified gadget */
6114     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6115       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
6116            ED_GADGET_TEXT_DISTANCE);
6117
6118     /* determine horizontal offset for leading text */
6119     if (counterbutton_info[i].text_left != NULL)
6120       x += getTextWidthForGadget(counterbutton_info[i].text_left);
6121
6122     for (j = 0; j < 2; j++)
6123     {
6124       struct GadgetInfo *gi;
6125       int id = (j == 0 ?
6126                 counterbutton_info[i].gadget_id_down :
6127                 counterbutton_info[i].gadget_id_up);
6128       int graphic;
6129       struct GraphicInfo *gd;
6130       int gd_x1, gd_x2, gd_y1, gd_y2;
6131       unsigned int event_mask;
6132       char infotext[max_infotext_len + 1];
6133
6134       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6135
6136       if (i == ED_COUNTER_ID_SELECT_LEVEL)
6137       {
6138         graphic = (j == 0 ?
6139                    IMG_GFX_EDITOR_BUTTON_PREV_LEVEL :
6140                    IMG_GFX_EDITOR_BUTTON_NEXT_LEVEL);
6141
6142         event_mask |= GD_EVENT_RELEASED;
6143
6144         if (j == 0)
6145         {
6146           x = DX + editor.button.prev_level.x;
6147           y = DY + editor.button.prev_level.y;
6148         }
6149         else
6150         {
6151           x = DX + editor.button.next_level.x;
6152           y = DY + editor.button.next_level.y;
6153         }
6154       }
6155       else
6156       {
6157         graphic = (j == 0 ?
6158                    IMG_EDITOR_COUNTER_DOWN :
6159                    IMG_EDITOR_COUNTER_UP);
6160       }
6161
6162       gd = &graphic_info[graphic];
6163
6164       gd_x1 = gd->src_x;
6165       gd_y1 = gd->src_y;
6166       gd_x2 = gd->src_x + gd->pressed_xoffset;
6167       gd_y2 = gd->src_y + gd->pressed_yoffset;
6168
6169       sprintf(infotext, "%s counter value by 1, 5 or 10",
6170               (j == 0 ? "decrease" : "increase"));
6171
6172       gi = CreateGadget(GDI_CUSTOM_ID, id,
6173                         GDI_CUSTOM_TYPE_ID, i,
6174                         GDI_INFO_TEXT, infotext,
6175                         GDI_X, x,
6176                         GDI_Y, y,
6177                         GDI_WIDTH, gd->width,
6178                         GDI_HEIGHT, gd->height,
6179                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6180                         GDI_STATE, GD_BUTTON_UNPRESSED,
6181                         GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6182                         GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6183                         GDI_EVENT_MASK, event_mask,
6184                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6185                         GDI_CALLBACK_ACTION, HandleCounterButtons,
6186                         GDI_END);
6187
6188       if (gi == NULL)
6189         Error(ERR_EXIT, "cannot create gadget");
6190
6191       level_editor_gadget[id] = gi;
6192       right_gadget_border[id] =
6193         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
6194
6195       x += gi->width + ED_GADGET_SMALL_DISTANCE;        /* text count button */
6196
6197       if (j == 0)
6198       {
6199         int font_type = FONT_INPUT_1;
6200         int font_type_active = FONT_INPUT_1_ACTIVE;
6201
6202         id = counterbutton_info[i].gadget_id_text;
6203
6204         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6205
6206         if (i == ED_COUNTER_ID_SELECT_LEVEL)
6207         {
6208           graphic = IMG_GFX_EDITOR_INPUT_LEVEL_NUMBER;
6209
6210           font_type = FONT_LEVEL_NUMBER;
6211           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
6212
6213           x = DX + editor.input.level_number.x;
6214           y = DY + editor.input.level_number.y;
6215         }
6216         else
6217         {
6218           graphic = IMG_EDITOR_COUNTER_INPUT;
6219         }
6220
6221         gd = &graphic_info[graphic];
6222
6223         gd_x1 = gd->src_x;
6224         gd_y1 = gd->src_y;
6225         gd_x2 = gd->src_x + gd->active_xoffset;
6226         gd_y2 = gd->src_y + gd->active_yoffset;
6227
6228         gi = CreateGadget(GDI_CUSTOM_ID, id,
6229                           GDI_CUSTOM_TYPE_ID, i,
6230                           GDI_INFO_TEXT, "enter counter value",
6231                           GDI_X, x,
6232                           GDI_Y, y,
6233                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
6234                           GDI_NUMBER_VALUE, 0,
6235                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
6236                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
6237                           GDI_TEXT_SIZE, 3,     /* minimal counter text size */
6238                           GDI_TEXT_FONT, font_type,
6239                           GDI_TEXT_FONT_ACTIVE, font_type_active,
6240                           GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6241                           GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6242                           GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6243                           GDI_DESIGN_WIDTH, gd->width,
6244                           GDI_EVENT_MASK, event_mask,
6245                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6246                           GDI_CALLBACK_ACTION, HandleCounterButtons,
6247                           GDI_END);
6248
6249         if (gi == NULL)
6250           Error(ERR_EXIT, "cannot create gadget");
6251
6252         level_editor_gadget[id] = gi;
6253         right_gadget_border[id] =
6254           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
6255
6256         x += gi->width + ED_GADGET_SMALL_DISTANCE;      /* up count button */
6257       }
6258     }
6259   }
6260 }
6261
6262 static void CreateDrawingAreas()
6263 {
6264   int i;
6265
6266   /* these values are not constant, but can change at runtime */
6267   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
6268   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
6269
6270   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
6271   {
6272     struct GadgetInfo *gi;
6273     unsigned int event_mask;
6274     int id = drawingarea_info[i].gadget_id;
6275     int x = SX + ED_AREA_SETTINGS_X(drawingarea_info[i]);
6276     int y = SY + ED_AREA_SETTINGS_Y(drawingarea_info[i]);
6277     int area_xsize = drawingarea_info[i].area_xsize;
6278     int area_ysize = drawingarea_info[i].area_ysize;
6279     int item_size = (id == GADGET_ID_DRAWING_LEVEL ?
6280                      ed_tilesize : ED_DRAWINGAREA_TILE_SIZE);
6281
6282     event_mask =
6283       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
6284       GD_EVENT_OFF_BORDERS | GD_EVENT_PIXEL_PRECISE;
6285
6286     /* determine horizontal position to the right of specified gadget */
6287     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
6288       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
6289            ED_DRAWINGAREA_TEXT_DISTANCE);
6290
6291     /* determine horizontal offset for leading text */
6292     if (drawingarea_info[i].text_left != NULL)
6293       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
6294
6295     gi = CreateGadget(GDI_CUSTOM_ID, id,
6296                       GDI_CUSTOM_TYPE_ID, i,
6297                       GDI_X, x,
6298                       GDI_Y, y,
6299                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
6300                       GDI_AREA_SIZE, area_xsize, area_ysize,
6301                       GDI_ITEM_SIZE, item_size, item_size,
6302                       GDI_EVENT_MASK, event_mask,
6303                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
6304                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
6305                       GDI_END);
6306
6307     if (gi == NULL)
6308       Error(ERR_EXIT, "cannot create gadget");
6309
6310     level_editor_gadget[id] = gi;
6311     right_gadget_border[id] =
6312       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
6313   }
6314 }
6315
6316 static void CreateTextInputGadgets()
6317 {
6318   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
6319   int max_infotext_len = getMaxInfoTextLength();
6320   int i;
6321
6322   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
6323   {
6324     int gd_x1 = gd->src_x;
6325     int gd_y1 = gd->src_y;
6326     int gd_x2 = gd->src_x + gd->active_xoffset;
6327     int gd_y2 = gd->src_y + gd->active_yoffset;
6328     struct GadgetInfo *gi;
6329     unsigned int event_mask;
6330     char infotext[MAX_OUTPUT_LINESIZE + 1];
6331     int id = textinput_info[i].gadget_id;
6332     int x, y;
6333
6334     if (i == ED_TEXTINPUT_ID_ELEMENT_NAME)
6335     {
6336       int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
6337       int border_size = gd->border_size;
6338       int font_nr = FONT_INPUT_1;
6339       int font_height = getFontHeight(font_nr);
6340       int xoffset = element_border + TILEX + element_border + 3 * border_size;
6341       int yoffset = element_border + (TILEY - font_height) / 2;
6342
6343       x = (editor.settings.element_name.x != -1 ?
6344            editor.settings.element_name.x :
6345            editor.settings.element_graphic.x + xoffset) - border_size;
6346       y = (editor.settings.element_name.y != -1 ?
6347            editor.settings.element_name.y :
6348            editor.settings.element_graphic.y + yoffset) - border_size;
6349     }
6350     else
6351     {
6352       x = ED_SETTINGS_X(textinput_info[i].x);
6353       y = ED_SETTINGS_Y(textinput_info[i].y);
6354     }
6355
6356     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6357
6358     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
6359     infotext[max_infotext_len] = '\0';
6360
6361     gi = CreateGadget(GDI_CUSTOM_ID, id,
6362                       GDI_CUSTOM_TYPE_ID, i,
6363                       GDI_INFO_TEXT, infotext,
6364                       GDI_X, SX + x,
6365                       GDI_Y, SY + y,
6366                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
6367                       GDI_TEXT_VALUE, textinput_info[i].value,
6368                       GDI_TEXT_SIZE, textinput_info[i].size,
6369                       GDI_TEXT_FONT, FONT_INPUT_1,
6370                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6371                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6372                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6373                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6374                       GDI_DESIGN_WIDTH, gd->width,
6375                       GDI_EVENT_MASK, event_mask,
6376                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6377                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
6378                       GDI_END);
6379
6380     if (gi == NULL)
6381       Error(ERR_EXIT, "cannot create gadget");
6382
6383     level_editor_gadget[id] = gi;
6384   }
6385 }
6386
6387 static void CreateTextAreaGadgets()
6388 {
6389   int max_infotext_len = getMaxInfoTextLength();
6390   int i;
6391
6392   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
6393   {
6394     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXTAREA];
6395     int gd_x1 = gd->src_x;
6396     int gd_y1 = gd->src_y;
6397     int gd_x2 = gd->src_x + gd->active_xoffset;
6398     int gd_y2 = gd->src_y + gd->active_yoffset;
6399     struct GadgetInfo *gi;
6400     unsigned int event_mask;
6401     char infotext[MAX_OUTPUT_LINESIZE + 1];
6402     int id = textarea_info[i].gadget_id;
6403     int area_xsize = textarea_info[i].xsize;
6404     int area_ysize = textarea_info[i].ysize;
6405
6406     event_mask = GD_EVENT_TEXT_LEAVING;
6407
6408     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
6409     infotext[max_infotext_len] = '\0';
6410
6411     gi = CreateGadget(GDI_CUSTOM_ID, id,
6412                       GDI_CUSTOM_TYPE_ID, i,
6413                       GDI_INFO_TEXT, infotext,
6414                       GDI_X, SX + ED_SETTINGS_X(textarea_info[i].x),
6415                       GDI_Y, SY + ED_SETTINGS_Y(textarea_info[i].y),
6416                       GDI_TYPE, GD_TYPE_TEXT_AREA,
6417                       GDI_AREA_SIZE, area_xsize, area_ysize,
6418                       GDI_TEXT_FONT, FONT_INPUT_1,
6419                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6420                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6421                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6422                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6423                       GDI_DESIGN_WIDTH, gd->width,
6424                       GDI_EVENT_MASK, event_mask,
6425                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6426                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
6427                       GDI_END);
6428
6429     if (gi == NULL)
6430       Error(ERR_EXIT, "cannot create gadget");
6431
6432     level_editor_gadget[id] = gi;
6433   }
6434 }
6435
6436 static void CreateSelectboxGadgets()
6437 {
6438   int max_infotext_len = getMaxInfoTextLength();
6439   int i, j;
6440
6441   for (i = 0; i < ED_NUM_SELECTBOX; i++)
6442   {
6443     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_SELECTBOX_INPUT];
6444     struct GraphicInfo *gd2 = &graphic_info[IMG_EDITOR_SELECTBOX_BUTTON];
6445     int gd_x1 = gd->src_x;
6446     int gd_y1 = gd->src_y;
6447     int gd_x2 = gd->src_x + gd->active_xoffset;
6448     int gd_y2 = gd->src_y + gd->active_yoffset;
6449     int selectbox_button_xsize = gd2->width;
6450     struct GadgetInfo *gi;
6451     unsigned int event_mask;
6452     char infotext[MAX_OUTPUT_LINESIZE + 1];
6453     int id = selectbox_info[i].gadget_id;
6454     int x = SX + ED_SETTINGS_X(selectbox_info[i].x);
6455     int y = SY + ED_SETTINGS_Y(selectbox_info[i].y);
6456
6457     if (selectbox_info[i].size == -1)   /* dynamically determine size */
6458     {
6459       /* (we cannot use -1 for uninitialized values if we directly compare
6460          with results from strlen(), because the '<' and '>' operation will
6461          implicitely cast -1 to an unsigned integer value!) */
6462       selectbox_info[i].size = 0;
6463
6464       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
6465         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
6466           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
6467
6468       selectbox_info[i].size++;         /* add one character empty space */
6469     }
6470
6471     event_mask = GD_EVENT_RELEASED |
6472       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6473
6474     /* determine horizontal position to the right of specified gadget */
6475     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
6476       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
6477            ED_GADGET_TEXT_DISTANCE);
6478
6479     /* determine horizontal offset for leading text */
6480     if (selectbox_info[i].text_left != NULL)
6481       x += getTextWidthForGadget(selectbox_info[i].text_left);
6482
6483     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
6484     infotext[max_infotext_len] = '\0';
6485
6486     gi = CreateGadget(GDI_CUSTOM_ID, id,
6487                       GDI_CUSTOM_TYPE_ID, i,
6488                       GDI_INFO_TEXT, infotext,
6489                       GDI_X, x,
6490                       GDI_Y, y,
6491                       GDI_TYPE, GD_TYPE_SELECTBOX,
6492                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
6493                       GDI_SELECTBOX_CHAR_UNSELECTABLE, '[',
6494                       GDI_TEXT_SIZE, selectbox_info[i].size,
6495                       GDI_TEXT_FONT, FONT_INPUT_1,
6496                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6497                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
6498                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6499                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6500                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6501                       GDI_BORDER_SIZE_SELECTBUTTON, selectbox_button_xsize,
6502                       GDI_DESIGN_WIDTH, gd->width,
6503                       GDI_EVENT_MASK, event_mask,
6504                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6505                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
6506                       GDI_END);
6507
6508     if (gi == NULL)
6509       Error(ERR_EXIT, "cannot create gadget");
6510
6511     level_editor_gadget[id] = gi;
6512     right_gadget_border[id] =
6513       getRightGadgetBorder(gi, selectbox_info[i].text_right);
6514   }
6515 }
6516
6517 static void CreateTextbuttonGadgets()
6518 {
6519   int max_infotext_len = getMaxInfoTextLength();
6520   int i;
6521
6522   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
6523   {
6524     int id = textbutton_info[i].gadget_id;
6525     int is_tab_button =
6526       ((id >= GADGET_ID_LEVELINFO_LEVEL && id <= GADGET_ID_LEVELINFO_EDITOR) ||
6527        (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE));
6528     int graphic =
6529       (is_tab_button ? IMG_EDITOR_TABBUTTON : IMG_EDITOR_TEXTBUTTON);
6530     int gadget_distance =
6531       (is_tab_button ? ED_GADGET_SMALL_DISTANCE : ED_GADGET_TEXT_DISTANCE);
6532     struct GraphicInfo *gd = &graphic_info[graphic];
6533     int gd_x1 = gd->src_x;
6534     int gd_y1 = gd->src_y;
6535     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6536     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6537     int gd_x1a = gd->src_x + gd->active_xoffset;
6538     int gd_y1a = gd->src_y + gd->active_yoffset;
6539     int border_xsize = gd->border_size + gd->draw_xoffset;
6540     int border_ysize = gd->border_size;
6541     struct GadgetInfo *gi;
6542     unsigned int event_mask;
6543     char infotext[MAX_OUTPUT_LINESIZE + 1];
6544     int x = SX + ED_SETTINGS_X(textbutton_info[i].x);
6545     int y = SY + ED_SETTINGS_Y(textbutton_info[i].y);
6546
6547     if (textbutton_info[i].size == -1)  /* dynamically determine size */
6548       textbutton_info[i].size = strlen(textbutton_info[i].text);
6549
6550     event_mask = GD_EVENT_RELEASED;
6551
6552     sprintf(infotext, "%s", textbutton_info[i].infotext);
6553     infotext[max_infotext_len] = '\0';
6554
6555     /* determine horizontal position to the right of specified gadget */
6556     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6557     {
6558       int gadget_id_align = textbutton_info[i].gadget_id_align;
6559
6560       x = right_gadget_border[gadget_id_align] + gadget_distance;
6561
6562       if (textbutton_info[i].y == -1)
6563         y = level_editor_gadget[gadget_id_align]->y;
6564     }
6565
6566     /* determine horizontal offset for leading text */
6567     if (textbutton_info[i].text_left != NULL)
6568       x += getTextWidthForGadget(textbutton_info[i].text_left);
6569
6570     gi = CreateGadget(GDI_CUSTOM_ID, id,
6571                       GDI_CUSTOM_TYPE_ID, i,
6572                       GDI_INFO_TEXT, infotext,
6573                       GDI_X, x,
6574                       GDI_Y, y,
6575                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
6576                       GDI_TEXT_VALUE, textbutton_info[i].text,
6577                       GDI_TEXT_SIZE, textbutton_info[i].size,
6578                       GDI_TEXT_FONT, FONT_INPUT_2,
6579                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2_ACTIVE,
6580                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6581                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6582                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6583                       GDI_BORDER_SIZE, border_xsize, border_ysize,
6584                       GDI_DESIGN_WIDTH, gd->width,
6585                       GDI_DECORATION_SHIFTING, 1, 1,
6586                       GDI_EVENT_MASK, event_mask,
6587                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6588                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
6589                       GDI_END);
6590
6591     if (gi == NULL)
6592       Error(ERR_EXIT, "cannot create gadget");
6593
6594     level_editor_gadget[id] = gi;
6595     right_gadget_border[id] =
6596       getRightGadgetBorder(gi, textbutton_info[i].text_right);
6597   }
6598 }
6599
6600 static void CreateGraphicbuttonGadgets()
6601 {
6602   struct GadgetInfo *gi;
6603   unsigned int event_mask;
6604   int i;
6605
6606   /* create buttons for scrolling of drawing area and element list */
6607   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
6608   {
6609     int id = graphicbutton_info[i].gadget_id;
6610     int x = SX + ED_SETTINGS_X(graphicbutton_info[i].x);
6611     int y = SY + ED_SETTINGS_Y(graphicbutton_info[i].y);
6612     struct GraphicInfo *gd = &graphic_info[graphicbutton_info[i].graphic];
6613     int gd_x1 = gd->src_x;
6614     int gd_y1 = gd->src_y;
6615     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6616     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6617
6618     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6619
6620     /* determine horizontal position to the right of specified gadget */
6621     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6622       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
6623            ED_GADGET_TEXT_DISTANCE);
6624
6625     /* determine horizontal offset for leading text */
6626     if (graphicbutton_info[i].text_left != NULL)
6627       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
6628
6629     gi = CreateGadget(GDI_CUSTOM_ID, id,
6630                       GDI_CUSTOM_TYPE_ID, i,
6631                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
6632                       GDI_X, x,
6633                       GDI_Y, y,
6634                       GDI_WIDTH, gd->width,
6635                       GDI_HEIGHT, gd->height,
6636                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6637                       GDI_STATE, GD_BUTTON_UNPRESSED,
6638                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6639                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6640                       GDI_EVENT_MASK, event_mask,
6641                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6642                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
6643                       GDI_END);
6644
6645     if (gi == NULL)
6646       Error(ERR_EXIT, "cannot create gadget");
6647
6648     level_editor_gadget[id] = gi;
6649     right_gadget_border[id] =
6650       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
6651   }
6652 }
6653
6654 static void CreateScrollbarGadgets()
6655 {
6656   int i;
6657
6658   /* these values are not constant, but can change at runtime */
6659   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
6660     SX + ED_SCROLL_HORIZONTAL_XPOS;
6661   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
6662     SY + ED_SCROLL_HORIZONTAL_YPOS;
6663   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
6664     ED_SCROLL_HORIZONTAL_XSIZE;
6665   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
6666     ED_SCROLL_HORIZONTAL_YSIZE;
6667   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
6668   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
6669   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
6670   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
6671
6672   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
6673     SX + ED_SCROLL_VERTICAL_XPOS;
6674   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
6675     SY + ED_SCROLL_VERTICAL_YPOS;
6676   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
6677     ED_SCROLL_VERTICAL_XSIZE;
6678   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
6679     ED_SCROLL_VERTICAL_YSIZE;
6680   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
6681   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
6682   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
6683   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
6684
6685   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
6686     PX + ED_SCROLL2_VERTICAL_XPOS;
6687   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
6688     PY + ED_SCROLL2_VERTICAL_YPOS;
6689   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
6690     ED_SCROLL2_VERTICAL_XSIZE;
6691   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
6692     ED_SCROLL2_VERTICAL_YSIZE;
6693   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = PX;
6694   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = PY;
6695   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = PXSIZE;
6696   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = PYSIZE;
6697
6698   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
6699   {
6700     int id = scrollbar_info[i].gadget_id;
6701     int graphic = scrollbar_info[i].graphic;
6702     struct GraphicInfo *gd = &graphic_info[graphic];
6703     int gd_x1 = gd->src_x;
6704     int gd_y1 = gd->src_y;
6705     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6706     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6707     struct GadgetInfo *gi;
6708     int items_max, items_visible, item_position;
6709     unsigned int event_mask;
6710
6711     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
6712     {
6713       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
6714       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
6715       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
6716     }
6717     else        /* drawing area scrollbars */
6718     {
6719       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
6720       {
6721         items_max = MAX(lev_fieldx + 2, ed_fieldx);
6722         items_visible = ed_fieldx;
6723         item_position = 0;
6724       }
6725       else
6726       {
6727         items_max = MAX(lev_fieldy + 2, ed_fieldy);
6728         items_visible = ed_fieldy;
6729         item_position = 0;
6730       }
6731     }
6732
6733     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
6734
6735     gi = CreateGadget(GDI_CUSTOM_ID, id,
6736                       GDI_CUSTOM_TYPE_ID, i,
6737                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
6738                       GDI_X, scrollbar_pos[i].x,
6739                       GDI_Y, scrollbar_pos[i].y,
6740                       GDI_WIDTH, scrollbar_pos[i].width,
6741                       GDI_HEIGHT, scrollbar_pos[i].height,
6742                       GDI_TYPE, scrollbar_info[i].type,
6743                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
6744                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
6745                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
6746                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
6747                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
6748                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
6749                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
6750                       GDI_STATE, GD_BUTTON_UNPRESSED,
6751                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6752                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6753                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6754                       GDI_EVENT_MASK, event_mask,
6755                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6756                       GDI_CALLBACK_ACTION, HandleControlButtons,
6757                       GDI_END);
6758
6759     if (gi == NULL)
6760       Error(ERR_EXIT, "cannot create gadget");
6761
6762     level_editor_gadget[id] = gi;
6763   }
6764 }
6765
6766 static void CreateCheckbuttonGadgets()
6767 {
6768   struct GadgetInfo *gi;
6769   unsigned int event_mask;
6770   int i;
6771
6772   event_mask = GD_EVENT_PRESSED;
6773
6774   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
6775   {
6776     int id = checkbutton_info[i].gadget_id;
6777     int graphic = (id == GADGET_ID_STICK_ELEMENT ? IMG_EDITOR_STICKYBUTTON :
6778                    IMG_EDITOR_CHECKBOX);
6779     struct GraphicInfo *gd = &graphic_info[graphic];
6780     int gd_x1 = gd->src_x;
6781     int gd_y1 = gd->src_y;
6782     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6783     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6784     int gd_x1a = gd->src_x + gd->active_xoffset;
6785     int gd_y1a = gd->src_y + gd->active_yoffset;
6786     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
6787     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
6788     int x = SX + ED_SETTINGS_X(checkbutton_info[i].x);
6789     int y = SY + ED_SETTINGS_Y(checkbutton_info[i].y);
6790
6791     /* determine horizontal position to the right of specified gadget */
6792     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6793       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
6794            ED_GADGET_TEXT_DISTANCE);
6795
6796     /* determine horizontal offset for leading text */
6797     if (checkbutton_info[i].text_left != NULL)
6798       x += getTextWidthForGadget(checkbutton_info[i].text_left);
6799
6800     gi = CreateGadget(GDI_CUSTOM_ID, id,
6801                       GDI_CUSTOM_TYPE_ID, i,
6802                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
6803                       GDI_X, x,
6804                       GDI_Y, y,
6805                       GDI_WIDTH, gd->width,
6806                       GDI_HEIGHT, gd->height,
6807                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
6808                       GDI_CHECKED, *checkbutton_info[i].value,
6809                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6810                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6811                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6812                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
6813                       GDI_EVENT_MASK, event_mask,
6814                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6815                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
6816                       GDI_END);
6817
6818     if (gi == NULL)
6819       Error(ERR_EXIT, "cannot create gadget");
6820
6821     level_editor_gadget[id] = gi;
6822     right_gadget_border[id] =
6823       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
6824   }
6825 }
6826
6827 static void CreateRadiobuttonGadgets()
6828 {
6829   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_RADIOBUTTON];
6830   int gd_x1 = gd->src_x;
6831   int gd_y1 = gd->src_y;
6832   int gd_x2 = gd->src_x + gd->pressed_xoffset;
6833   int gd_y2 = gd->src_y + gd->pressed_yoffset;
6834   int gd_x1a = gd->src_x + gd->active_xoffset;
6835   int gd_y1a = gd->src_y + gd->active_yoffset;
6836   int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
6837   int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
6838   struct GadgetInfo *gi;
6839   unsigned int event_mask;
6840   int i;
6841
6842   event_mask = GD_EVENT_PRESSED;
6843
6844   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
6845   {
6846     int id = radiobutton_info[i].gadget_id;
6847     int x = SX + ED_SETTINGS_X(radiobutton_info[i].x);
6848     int y = SY + ED_SETTINGS_Y(radiobutton_info[i].y);
6849
6850     int checked =
6851       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
6852
6853     /* determine horizontal position to the right of specified gadget */
6854     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
6855       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
6856            ED_GADGET_TEXT_DISTANCE);
6857
6858     /* determine horizontal offset for leading text */
6859     if (radiobutton_info[i].text_left != NULL)
6860       x += getTextWidthForGadget(radiobutton_info[i].text_left);
6861
6862     gi = CreateGadget(GDI_CUSTOM_ID, id,
6863                       GDI_CUSTOM_TYPE_ID, i,
6864                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
6865                       GDI_X, x,
6866                       GDI_Y, y,
6867                       GDI_WIDTH, gd->width,
6868                       GDI_HEIGHT, gd->height,
6869                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
6870                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
6871                       GDI_CHECKED, checked,
6872                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6873                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6874                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6875                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
6876                       GDI_EVENT_MASK, event_mask,
6877                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6878                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
6879                       GDI_END);
6880
6881     if (gi == NULL)
6882       Error(ERR_EXIT, "cannot create gadget");
6883
6884     level_editor_gadget[id] = gi;
6885     right_gadget_border[id] =
6886       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
6887   }
6888 }
6889
6890 void CreateLevelEditorGadgets()
6891 {
6892   /* force EDITOR font inside level editor */
6893   SetFontStatus(GAME_MODE_EDITOR);
6894
6895   /* these values are not constant, but can change at runtime */
6896   ed_fieldx = MAX_ED_FIELDX - 1;
6897   ed_fieldy = MAX_ED_FIELDY - 1;
6898
6899   num_editor_gadgets = NUM_EDITOR_GADGETS;
6900
6901   // printf("::: allocating %d gadgets ...\n", num_editor_gadgets);
6902
6903   level_editor_gadget =
6904     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
6905   right_gadget_border =
6906     checked_calloc(num_editor_gadgets * sizeof(int));
6907
6908   editor_el_empty = checked_calloc(ED_NUM_ELEMENTLIST_BUTTONS * sizeof(int));
6909   editor_el_empty_ptr = editor_el_empty;
6910
6911   use_permanent_palette = !editor.palette.show_as_separate_screen;
6912
6913   ReinitializeElementList();
6914
6915   CreateControlButtons();
6916   CreateScrollbarGadgets();
6917
6918   /* order of function calls is important because of cross-references */
6919   CreateCheckbuttonGadgets();
6920   CreateCounterButtons();
6921   CreateRadiobuttonGadgets();
6922   CreateTextInputGadgets();
6923   CreateTextAreaGadgets();
6924   CreateSelectboxGadgets();
6925   CreateGraphicbuttonGadgets();
6926   CreateTextbuttonGadgets();
6927   CreateDrawingAreas();
6928
6929   ResetFontStatus();
6930 }
6931
6932 void FreeLevelEditorGadgets()
6933 {
6934   int i;
6935
6936   // printf("::: freeing %d gadgets ...\n", num_editor_gadgets);
6937
6938   for (i = 0; i < num_editor_gadgets; i++)
6939   {
6940     FreeGadget(level_editor_gadget[i]);
6941
6942     level_editor_gadget[i] = NULL;
6943   }
6944
6945   checked_free(level_editor_gadget);
6946   checked_free(right_gadget_border);
6947
6948   checked_free(editor_el_empty);
6949 }
6950
6951 static void MapCounterButtons(int id)
6952 {
6953   int font_nr = FONT_TEXT_1;
6954   int font_height = getFontHeight(font_nr);
6955   int gadget_id_down = counterbutton_info[id].gadget_id_down;
6956   int gadget_id_text = counterbutton_info[id].gadget_id_text;
6957   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
6958   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
6959   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
6960   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
6961   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
6962   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6963   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
6964   int yoffset = (gi_down->height - font_height) / 2;
6965   int x_left = gi_down->x - xoffset_left;
6966   int x_right;  /* set after gadget position was modified */
6967   int y_above = gi_down->y - yoffset_above;
6968   int x = gi_down->x;
6969   int y;        /* set after gadget position was modified */
6970
6971   /* counter limits must be changed first to prevent value truncation */
6972   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
6973                             counterbutton_info[id].max_value);
6974
6975   /* right text position might have changed after setting position above */
6976   x_right = gi_up->x + gi_up->width + xoffset_right;
6977
6978   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
6979
6980   /* set position for "value[1,2,3,4]" counter gadgets (score in most cases) */
6981   if (id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
6982       id <= ED_COUNTER_ID_ELEMENT_VALUE4)
6983   {
6984     ModifyGadget(gi_down, GDI_Y,
6985                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
6986     ModifyGadget(gi_text, GDI_Y,
6987                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
6988     ModifyGadget(gi_up,   GDI_Y,
6989                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
6990   }
6991
6992   /* vertical position might have changed after setting position above */
6993   y = gi_up->y + yoffset;
6994
6995   if (counterbutton_info[id].text_above)
6996     DrawText(x, y_above, counterbutton_info[id].text_above, font_nr);
6997
6998   if (counterbutton_info[id].text_left)
6999     DrawText(x_left, y, counterbutton_info[id].text_left, font_nr);
7000
7001   if (counterbutton_info[id].text_right)
7002     DrawText(x_right, y, counterbutton_info[id].text_right, font_nr);
7003
7004   MapGadget(gi_down);
7005   MapGadget(gi_text);
7006   MapGadget(gi_up);
7007 }
7008
7009 static void MapControlButtons()
7010 {
7011   int counter_id;
7012   int i;
7013
7014   /* map toolbox buttons (excluding special CE toolbox buttons) */
7015   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
7016     MapGadget(level_editor_gadget[i]);
7017
7018   /* map toolbox buttons (element properties buttons) */
7019   for (i = ED_NUM_CTRL1_4_BUTTONS; i < ED_NUM_CTRL1_7_BUTTONS; i++)
7020     MapGadget(level_editor_gadget[i]);
7021
7022   if (use_permanent_palette)
7023   {
7024     /* map buttons to select elements */
7025     for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7026       MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
7027     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
7028     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
7029     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
7030   }
7031
7032   /* map buttons to select level */
7033   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
7034   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
7035   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
7036   MapCounterButtons(counter_id);
7037 }
7038
7039 static void MapDrawingArea(int id)
7040 {
7041   int font_nr = FONT_TEXT_1;
7042   int font_height = getFontHeight(font_nr);
7043   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7044   int area_xsize = gi->drawing.area_xsize;
7045   int area_ysize = gi->drawing.area_ysize;
7046   int xoffset_left = getTextWidthForDrawingArea(drawingarea_info[id].text_left);
7047   int xoffset_below = getTextWidth(drawingarea_info[id].text_below, font_nr);
7048   int x_left  = gi->x - xoffset_left;
7049   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
7050   int x_below = gi->x + (gi->width - xoffset_below) / 2;
7051   int y_side  = gi->y + (gi->height - font_height) / 2;
7052   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
7053
7054   if (drawingarea_info[id].text_left)
7055     DrawText(x_left, y_side, drawingarea_info[id].text_left, font_nr);
7056
7057   if (drawingarea_info[id].text_right)
7058     DrawText(x_right, y_side, drawingarea_info[id].text_right, font_nr);
7059
7060   if (drawingarea_info[id].text_below)
7061     DrawText(x_below, y_below, drawingarea_info[id].text_below, font_nr);
7062
7063   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
7064   {
7065     DrawElementBorder(gi->x, gi->y,
7066                       area_xsize * ED_DRAWINGAREA_TILE_SIZE,
7067                       area_ysize * ED_DRAWINGAREA_TILE_SIZE, TRUE);
7068
7069     DrawDrawingArea(id);
7070   }
7071
7072   MapGadget(gi);
7073 }
7074
7075 static void MapTextInputGadget(int id)
7076 {
7077   int font_nr = FONT_TEXT_1;
7078   int font_height = getFontHeight(font_nr);
7079   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
7080   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7081   int x_above = ED_SETTINGS_X(textinput_info[id].x);
7082   int y_above = ED_SETTINGS_Y(textinput_info[id].y) - yoffset_above;
7083
7084   if (textinput_info[id].text_above)
7085     DrawTextS(x_above, y_above, font_nr, textinput_info[id].text_above);
7086
7087   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
7088
7089   MapGadget(gi);
7090 }
7091
7092 static void MapTextAreaGadget(int id)
7093 {
7094   int font_nr = FONT_TEXT_1;
7095   int font_height = getFontHeight(font_nr);
7096   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
7097   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7098   int x_above = ED_SETTINGS_X(textarea_info[id].x);
7099   int y_above = ED_SETTINGS_Y(textarea_info[id].y) - yoffset_above;
7100
7101   if (textarea_info[id].text_above)
7102     DrawTextS(x_above, y_above, font_nr, textarea_info[id].text_above);
7103
7104   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
7105
7106   MapGadget(gi);
7107 }
7108
7109 static void MapSelectboxGadget(int id)
7110 {
7111   int font_nr = FONT_TEXT_1;
7112   int font_height = getFontHeight(font_nr);
7113   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
7114   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
7115   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7116   int yoffset = (gi->height - font_height) / 2;
7117   int x_left = gi->x - xoffset_left;
7118   int x_right = gi->x + gi->width + xoffset_right;
7119   int y = gi->y + yoffset;
7120
7121   if (selectbox_info[id].text_left)
7122     DrawText(x_left, y, selectbox_info[id].text_left, font_nr);
7123
7124   if (selectbox_info[id].text_right)
7125     DrawText(x_right, y, selectbox_info[id].text_right, font_nr);
7126
7127   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
7128
7129   MapGadget(gi);
7130 }
7131
7132 static void MapTextbuttonGadget(int id)
7133 {
7134   int font_nr = FONT_TEXT_1;
7135   int font_height = getFontHeight(font_nr);
7136   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
7137   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
7138   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7139   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7140   int yoffset = (gi->height - font_height) / 2;
7141   int x_left = gi->x - xoffset_left;
7142   int x_right = gi->x + gi->width + xoffset_right;
7143   int y_above = gi->y - yoffset_above;
7144   int x = gi->x;
7145   int y = gi->y + yoffset;
7146
7147   /* only show button to delete change pages when more than minimum pages */
7148   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
7149       custom_element.num_change_pages == MIN_CHANGE_PAGES)
7150     return;
7151
7152   if (textbutton_info[id].text_above)
7153     DrawText(x, y_above, textbutton_info[id].text_above, font_nr);
7154
7155   if (textbutton_info[id].text_left)
7156     DrawText(x_left, y, textbutton_info[id].text_left, font_nr);
7157
7158   if (textbutton_info[id].text_right)
7159     DrawText(x_right, y, textbutton_info[id].text_right, font_nr);
7160
7161   MapGadget(gi);
7162 }
7163
7164 static void MapGraphicbuttonGadget(int id)
7165 {
7166   int font_nr = FONT_TEXT_1;
7167   int font_height = getFontHeight(font_nr);
7168   struct GadgetInfo *gi= level_editor_gadget[graphicbutton_info[id].gadget_id];
7169   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
7170   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7171   int yoffset = (gi->height - font_height) / 2;
7172   int x_left = gi->x - xoffset_left;
7173   int x_right = gi->x + gi->width + xoffset_right;
7174   int y = gi->y + yoffset;
7175
7176   if (graphicbutton_info[id].text_left)
7177     DrawText(x_left, y, graphicbutton_info[id].text_left, font_nr);
7178
7179   if (graphicbutton_info[id].text_right)
7180     DrawText(x_right, y, graphicbutton_info[id].text_right, font_nr);
7181
7182   MapGadget(gi);
7183 }
7184
7185 static void MapRadiobuttonGadget(int id)
7186 {
7187   int font_nr = FONT_TEXT_1;
7188   int font_height = getFontHeight(font_nr);
7189   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
7190   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
7191   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7192   int yoffset = (gi->height - font_height) / 2;
7193   int x_left = gi->x - xoffset_left;
7194   int x_right = gi->x + gi->width + xoffset_right;
7195   int y = gi->y + yoffset;
7196   boolean checked =
7197     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
7198
7199   if (radiobutton_info[id].text_left)
7200     DrawText(x_left, y, radiobutton_info[id].text_left, font_nr);
7201
7202   if (radiobutton_info[id].text_right)
7203     DrawText(x_right, y, radiobutton_info[id].text_right, font_nr);
7204
7205   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
7206
7207   MapGadget(gi);
7208 }
7209
7210 static void MapCheckbuttonGadget(int id)
7211 {
7212   int font_nr = FONT_TEXT_1;
7213   int font_height = getFontHeight(font_nr);
7214   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
7215   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
7216   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7217   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7218   int yoffset = (gi->height - font_height) / 2;
7219   int y_above = gi->y - yoffset_above;
7220   int x = gi->x;
7221   int x_left, x_right, y;       /* set after gadget position was modified */
7222
7223   /* set position for gadgets with dynamically determined position */
7224   if (checkbutton_info[id].x != -1)     /* do not change dynamic positions */
7225     ModifyGadget(gi, GDI_X, SX + ED_SETTINGS_X(checkbutton_info[id].x),GDI_END);
7226   ModifyGadget(gi, GDI_Y, SY + ED_SETTINGS_Y(checkbutton_info[id].y), GDI_END);
7227
7228   x_left = gi->x - xoffset_left;
7229   x_right = gi->x + gi->width + xoffset_right;
7230   y = gi->y + yoffset;
7231
7232   if (checkbutton_info[id].text_above)
7233     DrawText(x, y_above, checkbutton_info[id].text_above, font_nr);
7234
7235   if (checkbutton_info[id].text_left)
7236     DrawText(x_left, y, checkbutton_info[id].text_left, font_nr);
7237
7238   if (checkbutton_info[id].text_right)
7239     DrawText(x_right, y, checkbutton_info[id].text_right, font_nr);
7240
7241   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
7242
7243   MapGadget(gi);
7244 }
7245
7246 static void MapMainDrawingArea()
7247 {
7248   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
7249   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
7250   int i;
7251
7252   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
7253   {
7254     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
7255           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
7256          no_horizontal_scrollbar) ||
7257         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
7258           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
7259          no_vertical_scrollbar))
7260       continue;
7261
7262     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
7263   }
7264
7265   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
7266   {
7267     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
7268         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
7269       continue;
7270
7271     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
7272   }
7273
7274   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
7275 }
7276
7277 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
7278 {
7279   int i;
7280
7281   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
7282   {
7283     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
7284         i == GADGET_ID_CUSTOM_COPY_TO ||
7285         i == GADGET_ID_CUSTOM_EXCHANGE ||
7286         i == GADGET_ID_CUSTOM_COPY ||
7287         i == GADGET_ID_CUSTOM_PASTE)
7288     {
7289       if (map)
7290         MapGadget(level_editor_gadget[i]);
7291       else
7292         UnmapGadget(level_editor_gadget[i]);
7293     }
7294   }
7295 }
7296
7297 static void MapLevelEditorToolboxCustomGadgets()
7298 {
7299   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
7300 }
7301
7302 static void UnmapLevelEditorToolboxCustomGadgets()
7303 {
7304   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
7305 }
7306
7307 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
7308 {
7309   int i;
7310
7311   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
7312   {
7313     if (i != GADGET_ID_SINGLE_ITEMS &&
7314         i != GADGET_ID_PICK_ELEMENT)
7315     {
7316       struct GadgetInfo *gi = level_editor_gadget[i];
7317
7318       if (map)
7319       {
7320         MapGadget(gi);
7321       }
7322       else
7323       {
7324         int graphic = IMG_EDITOR_NO_TOOLBOX_BUTTON;
7325         struct GraphicInfo *gd = &graphic_info[graphic];
7326
7327         UnmapGadget(gi);
7328
7329         BlitBitmap(gd->bitmap, drawto, gd->src_x, gd->src_y,
7330                    gi->width, gi->height, gi->x, gi->y);
7331
7332         redraw_mask |= REDRAW_DOOR_3;
7333       }
7334     }
7335   }
7336 }
7337
7338 static void MapLevelEditorToolboxDrawingGadgets()
7339 {
7340   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
7341 }
7342
7343 static void UnmapLevelEditorToolboxDrawingGadgets()
7344 {
7345   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
7346 }
7347
7348 static void UnmapDrawingArea(int id)
7349 {
7350   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
7351 }
7352
7353 static void UnmapLevelEditorFieldGadgets()
7354 {
7355   int i;
7356
7357   for (i = 0; i < num_editor_gadgets; i++)
7358     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
7359                           level_editor_gadget[i]->y))
7360       UnmapGadget(level_editor_gadget[i]);
7361 }
7362
7363 void UnmapLevelEditorGadgets()
7364 {
7365   int i;
7366
7367   for (i = 0; i < num_editor_gadgets; i++)
7368     UnmapGadget(level_editor_gadget[i]);
7369 }
7370
7371 static void ResetUndoBuffer()
7372 {
7373   undo_buffer_position = -1;
7374   undo_buffer_steps = -1;
7375   redo_buffer_steps = 0;
7376
7377   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
7378
7379   level.changed = FALSE;
7380 }
7381
7382 static void DrawEditModeWindow()
7383 {
7384   ModifyEditorElementList();
7385   RedrawDrawingElements();
7386
7387   if (edit_mode == ED_MODE_INFO)
7388     DrawLevelInfoWindow();
7389   else if (edit_mode == ED_MODE_PROPERTIES)
7390     DrawPropertiesWindow();
7391   else if (edit_mode == ED_MODE_PALETTE)
7392     DrawPaletteWindow();
7393   else  /* edit_mode == ED_MODE_DRAWING */
7394     DrawDrawingWindow();
7395 }
7396
7397 static void ChangeEditModeWindow(int new_edit_mode)
7398 {
7399   edit_mode = (new_edit_mode != edit_mode ? new_edit_mode : ED_MODE_DRAWING);
7400
7401   DrawEditModeWindow();
7402 }
7403
7404 static boolean LevelChanged()
7405 {
7406   boolean field_changed = FALSE;
7407   int x, y;
7408
7409   for (y = 0; y < lev_fieldy; y++)
7410     for (x = 0; x < lev_fieldx; x++)
7411       if (Feld[x][y] != level.field[x][y])
7412         field_changed = TRUE;
7413
7414   return (level.changed || field_changed);
7415 }
7416
7417 static boolean PrepareSavingIntoPersonalLevelSet()
7418 {
7419   static LevelDirTree *last_copied_leveldir = NULL;
7420   static LevelDirTree *last_written_leveldir = NULL;
7421   static int last_copied_level_nr = -1;
7422   static int last_written_level_nr = -1;
7423   LevelDirTree *leveldir_former = leveldir_current;
7424   int level_nr_former = level_nr;
7425   int new_level_nr;
7426
7427   // remember last mod/save so that for current session, we write
7428   // back to the same personal copy, asking only about overwrite.
7429   if (leveldir_current == last_copied_leveldir &&
7430       level_nr == last_copied_level_nr)
7431   {
7432     // "cd" to personal level set dir (as used when writing last copy)
7433     leveldir_current = last_written_leveldir;
7434     level_nr = last_written_level_nr;
7435
7436     return TRUE;
7437   }
7438
7439   if (!Request("This level is read only! "
7440                "Save into personal level set?", REQ_ASK))
7441     return FALSE;
7442
7443   // "cd" to personal level set dir (for writing copy the first time)
7444   leveldir_current =
7445     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
7446
7447   // find unused level number
7448   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
7449   {
7450     static char *level_filename = NULL;
7451
7452     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
7453
7454     if (!fileExists(level_filename))
7455       break;
7456   }
7457
7458   last_copied_leveldir = leveldir_former;
7459   last_copied_level_nr = level_nr_former;
7460
7461   last_written_leveldir = leveldir_current;
7462   last_written_level_nr = level_nr = new_level_nr;
7463
7464   return TRUE;
7465 }
7466
7467 static void ModifyLevelInfoForSavingIntoPersonalLevelSet(char *former_name)
7468 {
7469   static char *filename_levelinfo = NULL, *mod_name = NULL;
7470   FILE *file;
7471
7472   // annotate this copy-and-mod in personal levelinfo.conf
7473   setString(&filename_levelinfo,
7474             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
7475
7476   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
7477   {
7478     fprintf(file, "\n");
7479     fprintf(file, "# level %d was modified from:\n", level_nr);
7480     fprintf(file, "# - previous level set name:    %s\n",
7481             former_name);
7482     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
7483             level.file_info.nr, level.name);
7484     fprintf(file, "# - previous author:            %s\n",
7485             level.author);
7486     fprintf(file, "# - previous save date:         ");
7487
7488     if (level.creation_date.src == DATE_SRC_LEVELFILE)
7489     {
7490       fprintf(file, "%04d-%02d-%02d\n",
7491               level.creation_date.year,
7492               level.creation_date.month,
7493               level.creation_date.day);
7494     }
7495     else
7496     {
7497       fprintf(file, "not recorded\n");
7498     }
7499
7500     fclose(file);
7501   }
7502
7503   if (level_nr > leveldir_current->last_level)
7504   {
7505     static char *temp_levelinfo = NULL;
7506     FILE *temp_file = NULL;
7507     char line[MAX_LINE_LEN];
7508
7509     setString(&temp_levelinfo,
7510               getPath2(getCurrentLevelDir(),
7511                        getStringCat2(LEVELINFO_FILENAME, ".new")));
7512
7513     if ((file = fopen(filename_levelinfo, MODE_READ)) &&
7514         (temp_file = fopen(temp_levelinfo, MODE_WRITE)))
7515     {
7516       while (fgets(line, MAX_LINE_LEN, file))
7517       {
7518         if (!strPrefix(line, "levels:"))
7519           fputs(line, temp_file);
7520         else
7521           fprintf(temp_file, "%-32s%d\n", "levels:", level_nr + 9);
7522       }
7523     }
7524
7525     if (temp_file)
7526       fclose(temp_file);
7527
7528     if (file)
7529       fclose(file);
7530
7531     // needs error handling; also, ok on dos/win?
7532     unlink(filename_levelinfo);
7533     rename(temp_levelinfo, filename_levelinfo);
7534   }
7535
7536   // else: allow the save even if annotation failed
7537
7538   // now... spray graffiti on the old level vital statistics
7539   // user can change these; just trying to set a good baseline
7540
7541   // don't truncate names for fear of making offensive or silly:
7542   // long-named original author only recorded in levelinfo.conf.
7543   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
7544   if (!strEqual(level.author, leveldir_current->author))
7545   {
7546     setString(&mod_name, getStringCat3(leveldir_current->author,
7547                                        " after ", level.author));
7548
7549     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7550       setString(&mod_name,
7551                 getStringCat2(leveldir_current->author, " (ed.)"));
7552
7553     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7554       setString(&mod_name, leveldir_current->author);
7555
7556     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
7557
7558     // less worried about truncation here
7559     setString(&mod_name, getStringCat2("Mod: ", level.name));
7560     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
7561   }
7562 }
7563
7564 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
7565                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
7566 {
7567   int x, y;
7568
7569   for (x = 0; x < lev_fieldx; x++)
7570     for (y = 0; y < lev_fieldy; y++)
7571       dst[x][y] = src[x][y];
7572 }
7573
7574 static int setSelectboxValue(int selectbox_id, int new_value)
7575 {
7576   int new_index_value = 0;
7577   int i;
7578
7579   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
7580     if (selectbox_info[selectbox_id].options[i].value == new_value)
7581       new_index_value = i;
7582
7583   *selectbox_info[selectbox_id].value =
7584     selectbox_info[selectbox_id].options[new_index_value].value;
7585
7586   return new_index_value;
7587 }
7588
7589 static void setSelectboxSpecialActionVariablesIfNeeded()
7590 {
7591   int i;
7592
7593   /* change action mode and arg variables according to action type variable */
7594   for (i = 0; action_arg_options[i].value != -1; i++)
7595   {
7596     if (action_arg_options[i].value == custom_element_change.action_type)
7597     {
7598       int mode = action_arg_options[i].mode;
7599
7600       /* only change if corresponding selectbox has changed */
7601       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
7602           action_arg_modes[mode])
7603         custom_element_change.action_mode = -1;
7604
7605       /* only change if corresponding selectbox has changed */
7606       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
7607           action_arg_options[i].options)
7608         custom_element_change.action_arg = -1;
7609
7610       break;
7611     }
7612   }
7613 }
7614
7615 static void setSelectboxSpecialActionOptions()
7616 {
7617   int i;
7618
7619   /* change action mode and arg selectbox according to action type selectbox */
7620   for (i = 0; action_arg_options[i].value != -1; i++)
7621   {
7622     if (action_arg_options[i].value == custom_element_change.action_type)
7623     {
7624       int mode = action_arg_options[i].mode;
7625
7626       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
7627                                    action_arg_modes[mode]);
7628       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
7629                                  custom_element_change.action_mode);
7630
7631       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
7632                                    action_arg_options[i].options);
7633       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
7634                                  custom_element_change.action_arg);
7635       break;
7636     }
7637   }
7638 }
7639
7640 static void copy_custom_element_settings(int element_from, int element_to)
7641 {
7642   struct ElementInfo *ei_from = &element_info[element_from];
7643   struct ElementInfo *ei_to = &element_info[element_to];
7644
7645   copyElementInfo(ei_from, ei_to);
7646 }
7647
7648 static void replace_custom_element_in_settings(int element_from,
7649                                                int element_to)
7650 {
7651   int i, j, x, y;
7652
7653   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7654   {
7655     struct ElementInfo *ei = &element_info[i];
7656
7657     for (y = 0; y < 3; y++)
7658       for (x = 0; x < 3; x++)
7659         if (ei->content.e[x][y] == element_from)
7660           ei->content.e[x][y] = element_to;
7661
7662     for (j = 0; j < ei->num_change_pages; j++)
7663     {
7664       struct ElementChangeInfo *change = &ei->change_page[j];
7665
7666       if (change->target_element == element_from)
7667         change->target_element = element_to;
7668
7669       if (change->initial_trigger_element == element_from)
7670         change->initial_trigger_element = element_to;
7671
7672       if (change->action_element == element_from)
7673         change->action_element = element_to;
7674
7675       for (y = 0; y < 3; y++)
7676         for (x = 0; x < 3; x++)
7677           if (change->target_content.e[x][y] == element_from)
7678             change->target_content.e[x][y] = element_to;
7679     }
7680
7681     if (ei->group != NULL)                              /* group or internal */
7682       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
7683         if (ei->group->element[j] == element_from)
7684           ei->group->element[j] = element_to;
7685   }
7686 }
7687
7688 static void replace_custom_element_in_playfield(int element_from,
7689                                                 int element_to)
7690 {
7691   int x, y;
7692
7693   for (x = 0; x < lev_fieldx; x++)
7694     for (y = 0; y < lev_fieldy; y++)
7695       if (Feld[x][y] == element_from)
7696         Feld[x][y] = element_to;
7697 }
7698
7699 static boolean CopyCustomElement(int element_old, int element_new,
7700                                  int copy_mode)
7701 {
7702   int copy_mode_orig = copy_mode;
7703
7704   if (copy_mode == GADGET_ID_CUSTOM_COPY)
7705   {
7706     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
7707                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
7708     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
7709   }
7710   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
7711   {
7712     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
7713                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
7714     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
7715
7716     level.changed = TRUE;
7717   }
7718   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
7719   {
7720     Request("Please choose custom element!", REQ_CONFIRM);
7721
7722     return FALSE;
7723   }
7724   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
7725   {
7726     Request("Please choose group element!", REQ_CONFIRM);
7727
7728     return FALSE;
7729   }
7730   else
7731   {
7732     level.changed = TRUE;
7733   }
7734
7735   /* when modifying custom/group element, ask for copying level template */
7736   if (copy_mode_orig != GADGET_ID_CUSTOM_COPY && level.use_custom_template)
7737   {
7738     if (!AskToCopyAndModifyLevelTemplate())
7739       return FALSE;
7740   }
7741
7742   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
7743   {
7744     copy_custom_element_settings(element_new, element_old);
7745   }
7746   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
7747   {
7748     copy_custom_element_settings(element_old, element_new);
7749   }
7750   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
7751   {
7752     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
7753     copy_custom_element_settings(element_new, element_old);
7754     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
7755
7756     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
7757     replace_custom_element_in_settings(element_new, element_old);
7758     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
7759
7760     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
7761     replace_custom_element_in_playfield(element_new, element_old);
7762     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
7763   }
7764
7765   UpdateCustomElementGraphicGadgets();
7766   DrawPropertiesWindow();
7767
7768   return TRUE;
7769 }
7770
7771 static void CopyCustomElementPropertiesToEditor(int element)
7772 {
7773   int i;
7774   int current_change_page = element_info[element].current_change_page;
7775
7776   /* dynamically (re)build selectbox for selecting change page */
7777   for (i = 0; i < element_info[element].num_change_pages; i++)
7778   {
7779     sprintf(options_change_page_strings[i], "%d", i + 1);
7780
7781     options_change_page[i].value = i;
7782     options_change_page[i].text = options_change_page_strings[i];
7783   }
7784
7785   options_change_page[i].value = -1;
7786   options_change_page[i].text = NULL;
7787
7788   /* needed here to initialize combined element properties */
7789   InitElementPropertiesEngine(level.game_version);
7790
7791   element_info[element].change =
7792     &element_info[element].change_page[current_change_page];
7793
7794   custom_element = element_info[element];
7795   custom_element_change = *element_info[element].change;
7796
7797   /* needed to initially set selectbox options for special action options */
7798   setSelectboxSpecialActionOptions();
7799
7800   /* needed to initially set selectbox value variables to reliable defaults */
7801   for (i = 0; i < ED_NUM_SELECTBOX; i++)
7802     setSelectboxValue(i, *selectbox_info[i].value);
7803
7804   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
7805     custom_element_properties[i] = HAS_PROPERTY(element, i);
7806
7807   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
7808     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
7809
7810   /* ---------- element settings: configure (custom elements) ------------- */
7811
7812   /* set accessible layer selectbox help value */
7813   custom_element.access_type =
7814     (IS_WALKABLE(element) ? EP_WALKABLE :
7815      IS_PASSABLE(element) ? EP_PASSABLE :
7816      custom_element.access_type);
7817   custom_element.access_layer =
7818     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
7819      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
7820      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
7821      custom_element.access_layer);
7822   custom_element.access_protected =
7823     (IS_PROTECTED(element) ? 1 : 0);
7824   custom_element_properties[EP_ACCESSIBLE] =
7825     (IS_ACCESSIBLE_OVER(element) ||
7826      IS_ACCESSIBLE_INSIDE(element) ||
7827      IS_ACCESSIBLE_UNDER(element));
7828
7829   /* set walk-to-object action selectbox help value */
7830   custom_element.walk_to_action =
7831     (IS_DIGGABLE(element) ? EP_DIGGABLE :
7832      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
7833      IS_DROPPABLE(element) ? EP_DROPPABLE :
7834      IS_THROWABLE(element) ? EP_THROWABLE :
7835      IS_PUSHABLE(element) ? EP_PUSHABLE :
7836      custom_element.walk_to_action);
7837   custom_element_properties[EP_WALK_TO_OBJECT] =
7838     (IS_DIGGABLE(element) ||
7839      IS_COLLECTIBLE_ONLY(element) ||
7840      IS_DROPPABLE(element) ||
7841      IS_THROWABLE(element) ||
7842      IS_PUSHABLE(element));
7843
7844   /* set smash targets selectbox help value */
7845   custom_element.smash_targets =
7846     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
7847      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
7848      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
7849      custom_element.smash_targets);
7850   custom_element_properties[EP_CAN_SMASH] =
7851     (CAN_SMASH_EVERYTHING(element) ||
7852      CAN_SMASH_ENEMIES(element) ||
7853      CAN_SMASH_PLAYER(element));
7854
7855   /* set deadliness selectbox help value */
7856   custom_element.deadliness =
7857     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
7858      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
7859      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
7860      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
7861      custom_element.deadliness);
7862   custom_element_properties[EP_DEADLY] =
7863     (DONT_TOUCH(element) ||
7864      DONT_GET_HIT_BY(element) ||
7865      DONT_COLLIDE_WITH(element) ||
7866      DONT_RUN_INTO(element));
7867
7868   /* ---------- element settings: advanced (custom elements) --------------- */
7869
7870   /* set "change by direct action" selectbox help value */
7871   custom_element_change.direct_action =
7872     (HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
7873      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
7874      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
7875      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
7876      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
7877      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
7878      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
7879      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
7880      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
7881      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
7882      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
7883      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
7884      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
7885      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
7886      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
7887      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
7888      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
7889      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
7890      custom_element_change.direct_action);
7891
7892   /* set "change by other element action" selectbox help value */
7893   custom_element_change.other_action =
7894     (HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
7895      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
7896      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
7897      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
7898      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
7899      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
7900      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
7901      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
7902      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
7903      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
7904      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
7905      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
7906      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
7907      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
7908      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
7909      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
7910      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
7911      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
7912      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
7913      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
7914      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
7915      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
7916      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
7917      custom_element_change.other_action);
7918 }
7919
7920 static void CopyGroupElementPropertiesToEditor(int element)
7921 {
7922   group_element_info = *element_info[element].group;
7923   custom_element = element_info[element];       /* needed for description */
7924 }
7925
7926 static void CopyClassicElementPropertiesToEditor(int element)
7927 {
7928   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
7929     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
7930       getMoveIntoAcidProperty(&level, element);
7931
7932   if (MAYBE_DONT_COLLIDE_WITH(element))
7933     custom_element_properties[EP_DONT_COLLIDE_WITH] =
7934       getDontCollideWithProperty(&level, element);
7935 }
7936
7937 static void CopyElementPropertiesToEditor(int element)
7938 {
7939   if (IS_CUSTOM_ELEMENT(element))
7940     CopyCustomElementPropertiesToEditor(element);
7941   else if (IS_GROUP_ELEMENT(element))
7942     CopyGroupElementPropertiesToEditor(element);
7943   else
7944     CopyClassicElementPropertiesToEditor(element);
7945 }
7946
7947 static boolean AskToCopyAndModifyLevelTemplate()
7948 {
7949   if (Request("Copy and modify settings from level template?", REQ_ASK))
7950   {
7951     level.use_custom_template = FALSE;
7952
7953     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_1],
7954                  GDI_CHECKED, FALSE, GDI_END);
7955     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_2],
7956                  GDI_CHECKED, FALSE, GDI_END);
7957
7958     return TRUE;
7959   }
7960   else
7961   {
7962     LoadLevelTemplate(-1);      /* this resets all element modifications ... */
7963
7964     DrawEditModeWindow();       /* ... and copies them to 'custom_element' */
7965
7966     return FALSE;
7967   }
7968 }
7969
7970 static void CopyCustomElementPropertiesToGame(int element)
7971 {
7972   int i;
7973   int access_type_and_layer;
7974
7975   /* mark that this custom element has been modified */
7976   custom_element.modified_settings = TRUE;
7977   level.changed = TRUE;
7978
7979   if (level.use_custom_template)
7980     AskToCopyAndModifyLevelTemplate();
7981
7982   element_info[element] = custom_element;
7983   *element_info[element].change = custom_element_change;
7984
7985   /* ---------- element settings: configure (custom elements) ------------- */
7986
7987   /* set accessible property from checkbox and selectbox */
7988   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
7989   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
7990   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
7991   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
7992   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
7993   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
7994   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
7995                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
7996                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
7997   custom_element_properties[access_type_and_layer] =
7998     custom_element_properties[EP_ACCESSIBLE];
7999   custom_element_properties[EP_PROTECTED] =
8000     (custom_element.access_protected != 0 &&
8001      custom_element_properties[EP_ACCESSIBLE]);
8002
8003   /* set walk-to-object property from checkbox and selectbox */
8004   custom_element_properties[EP_DIGGABLE] = FALSE;
8005   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
8006   custom_element_properties[EP_DROPPABLE] = FALSE;
8007   custom_element_properties[EP_THROWABLE] = FALSE;
8008   custom_element_properties[EP_PUSHABLE] = FALSE;
8009   custom_element_properties[custom_element.walk_to_action] =
8010     custom_element_properties[EP_WALK_TO_OBJECT];
8011
8012   /* set smash property from checkbox and selectbox */
8013   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
8014   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
8015   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
8016   custom_element_properties[custom_element.smash_targets] =
8017     custom_element_properties[EP_CAN_SMASH];
8018
8019   /* set deadliness property from checkbox and selectbox */
8020   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
8021   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
8022   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
8023   custom_element_properties[EP_DONT_TOUCH] = FALSE;
8024   custom_element_properties[custom_element.deadliness] =
8025     custom_element_properties[EP_DEADLY];
8026
8027   /* ---------- element settings: advanced (custom elements) --------------- */
8028
8029   /* set player change event from checkbox and selectbox */
8030   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
8031   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
8032   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
8033   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
8034   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
8035   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
8036   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
8037   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
8038   custom_element_change_events[CE_SWITCHED] = FALSE;
8039   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
8040   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
8041   custom_element_change_events[CE_BLOCKED] = FALSE;
8042   custom_element_change_events[CE_IMPACT] = FALSE;
8043   custom_element_change_events[CE_SMASHED] = FALSE;
8044   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
8045   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
8046   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
8047   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
8048   custom_element_change_events[custom_element_change.direct_action] =
8049     custom_element_change_events[CE_BY_DIRECT_ACTION];
8050
8051   /* set other element action change event from checkbox and selectbox */
8052   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
8053   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
8054   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
8055   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
8056   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
8057   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
8058   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
8059   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
8060   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
8061   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
8062   custom_element_change_events[CE_TOUCHING_X] = FALSE;
8063   custom_element_change_events[CE_HITTING_X] = FALSE;
8064   custom_element_change_events[CE_DIGGING_X] = FALSE;
8065   custom_element_change_events[CE_HIT_BY_X] = FALSE;
8066   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
8067   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
8068   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
8069   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
8070   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
8071   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
8072   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
8073   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
8074   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
8075   custom_element_change_events[custom_element_change.other_action] =
8076     custom_element_change_events[CE_BY_OTHER_ACTION];
8077
8078   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
8079     SET_PROPERTY(element, i, custom_element_properties[i]);
8080
8081   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
8082     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
8083
8084   /* copy change events also to special level editor variable */
8085   custom_element = element_info[element];
8086   custom_element_change = *element_info[element].change;
8087 }
8088
8089 static void CopyGroupElementPropertiesToGame(int element)
8090 {
8091   /* mark that this group element has been modified */
8092   custom_element.modified_settings = TRUE;
8093   level.changed = TRUE;
8094
8095   if (level.use_custom_template)
8096     AskToCopyAndModifyLevelTemplate();
8097
8098   element_info[element] = custom_element;
8099   *element_info[element].group = group_element_info;
8100 }
8101
8102 static void CopyClassicElementPropertiesToGame(int element)
8103 {
8104   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
8105     setMoveIntoAcidProperty(&level, element,
8106                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
8107
8108   if (MAYBE_DONT_COLLIDE_WITH(element))
8109     setDontCollideWithProperty(&level, element,
8110                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
8111 }
8112
8113 static void CopyElementPropertiesToGame(int element)
8114 {
8115   if (IS_CUSTOM_ELEMENT(element))
8116     CopyCustomElementPropertiesToGame(element);
8117   else if (IS_GROUP_ELEMENT(element))
8118     CopyGroupElementPropertiesToGame(element);
8119   else
8120     CopyClassicElementPropertiesToGame(element);
8121 }
8122
8123 void CheckElementDescriptions()
8124 {
8125   int i;
8126
8127   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
8128     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
8129       Error(ERR_WARN, "no element description file for element '%s'",
8130             EL_NAME(i));
8131 }
8132
8133 static int getMaxEdFieldX(boolean has_scrollbar)
8134 {
8135   int scrollbar_width = (has_scrollbar ? ED_SCROLLBUTTON_XSIZE : 0);
8136   int sxsize = SXSIZE - scrollbar_width;
8137   int max_ed_fieldx = sxsize / ed_tilesize;
8138
8139   return max_ed_fieldx;
8140 }
8141
8142 static int getMaxEdFieldY(boolean has_scrollbar)
8143 {
8144   int infotext_height = INFOTEXT_YSIZE_FULL;
8145   int scrollbar_height = (has_scrollbar ? ED_SCROLLBUTTON_YSIZE : 0);
8146   int sysize = SYSIZE - scrollbar_height - infotext_height;
8147   int max_ed_fieldy = sysize / ed_tilesize;
8148
8149   return max_ed_fieldy;
8150 }
8151
8152 void InitZoomLevelSettings(int zoom_tilesize)
8153 {
8154   if (zoom_tilesize == -1)
8155     zoom_tilesize = setup.auto_setup.editor_zoom_tilesize;
8156
8157   // limit zoom tilesize by upper and lower bound
8158   zoom_tilesize = MIN(MAX(MICRO_TILESIZE, zoom_tilesize), TILESIZE);
8159
8160   ed_tilesize = setup.auto_setup.editor_zoom_tilesize = zoom_tilesize;
8161
8162   MAX_ED_FIELDX = getMaxEdFieldX(FALSE);
8163   MAX_ED_FIELDY = getMaxEdFieldY(FALSE);
8164 }
8165
8166 void DrawLevelEd()
8167 {
8168   int fade_mask = REDRAW_FIELD;
8169
8170   FadeSoundsAndMusic();
8171
8172   if (CheckIfGlobalBorderHasChanged())
8173     fade_mask = REDRAW_ALL;
8174
8175   FadeOut(fade_mask);
8176
8177   /* needed if different viewport properties defined for editor */
8178   ChangeViewportPropertiesIfNeeded();
8179
8180   ClearField();
8181
8182   InitZoomLevelSettings(-1);
8183
8184   OpenDoor(DOOR_OPEN_1 | DOOR_OPEN_2 | DOOR_NO_DELAY);
8185
8186 #if DEBUG
8187   CheckElementDescriptions();
8188 #endif
8189
8190   if (level_editor_test_game)
8191   {
8192     CopyPlayfield(level.field, Feld);
8193     CopyPlayfield(FieldBackup, level.field);
8194
8195     level_editor_test_game = FALSE;
8196   }
8197   else
8198   {
8199     edit_mode = ED_MODE_DRAWING;
8200     edit_mode_levelinfo = ED_MODE_LEVELINFO_LEVEL;
8201     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
8202
8203     ResetUndoBuffer();
8204
8205     level_xpos = -1;
8206     level_ypos = -1;
8207   }
8208
8209   /* needed for gadgets drawn on background (like palette scrollbar) */
8210   SetDoorBackgroundImage(IMG_UNDEFINED);
8211
8212   /* copy default editor door content to main double buffer */
8213   BlitBitmap(graphic_info[IMG_BACKGROUND_PALETTE].bitmap, drawto,
8214              graphic_info[IMG_BACKGROUND_PALETTE].src_x,
8215              graphic_info[IMG_BACKGROUND_PALETTE].src_y,
8216              MIN(DXSIZE, graphic_info[IMG_BACKGROUND_PALETTE].width),
8217              MIN(DYSIZE, graphic_info[IMG_BACKGROUND_PALETTE].height),
8218              DX, DY);
8219
8220   /* draw bigger door */
8221   DrawSpecialEditorDoor();
8222
8223   /* draw new control window */
8224   BlitBitmap(graphic_info[IMG_BACKGROUND_TOOLBOX].bitmap, drawto,
8225              graphic_info[IMG_BACKGROUND_TOOLBOX].src_x,
8226              graphic_info[IMG_BACKGROUND_TOOLBOX].src_y,
8227              MIN(EXSIZE, graphic_info[IMG_BACKGROUND_TOOLBOX].width),
8228              MIN(EYSIZE, graphic_info[IMG_BACKGROUND_TOOLBOX].height),
8229              EX, EY);
8230
8231   // redraw_mask |= REDRAW_ALL;
8232
8233   FreeLevelEditorGadgets();
8234   CreateLevelEditorGadgets();
8235
8236   ReinitializeElementList();            /* update dynamic level element list */
8237   ReinitializeElementListButtons();     /* custom element may look different */
8238
8239   InitElementPropertiesGfxElement();
8240
8241   UnmapAllGadgets();
8242   MapControlButtons();
8243
8244   DrawEditModeWindow();
8245
8246   DrawMaskedBorder(fade_mask);
8247
8248   FadeIn(fade_mask);
8249
8250   /* copy actual editor door content to door double buffer for OpenDoor() */
8251   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
8252 }
8253
8254 static void AdjustDrawingAreaGadgets()
8255 {
8256   int ed_xsize = lev_fieldx + 2;
8257   int ed_ysize = lev_fieldy + 2;
8258   int max_ed_fieldx = MAX_ED_FIELDX;
8259   int max_ed_fieldy = MAX_ED_FIELDY;
8260   boolean horizontal_scrollbar_needed;
8261   boolean vertical_scrollbar_needed;
8262   int x, y, width, height;
8263
8264   /* check if we need any scrollbars */
8265   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
8266   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
8267
8268   /* check if we have a smaller editor field because of scrollbars */
8269   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
8270   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
8271
8272   /* check again if we now need more scrollbars because of less space */
8273   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
8274   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
8275
8276   /* check if editor field gets even smaller after adding new scrollbars */
8277   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
8278   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
8279
8280   ed_fieldx = (ed_xsize > max_ed_fieldx ? max_ed_fieldx : ed_xsize);
8281   ed_fieldy = (ed_ysize > max_ed_fieldy ? max_ed_fieldy : ed_ysize);
8282
8283   x = SX + ed_fieldx * ed_tilesize;
8284   y = SY + ed_fieldy * ed_tilesize;
8285
8286   width  = ed_fieldx * ed_tilesize - 2 * ED_SCROLLBUTTON_XSIZE;
8287   height = ed_fieldy * ed_tilesize - 2 * ED_SCROLLBUTTON_YSIZE;
8288
8289   /* adjust drawing area gadget */
8290   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
8291                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
8292                GDI_ITEM_SIZE, ed_tilesize, ed_tilesize,
8293                GDI_END);
8294
8295   /* adjust horizontal scrollbar gadgets */
8296   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LEFT],
8297                GDI_Y, y,
8298                GDI_END);
8299   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT],
8300                GDI_X, x - ED_SCROLLBUTTON_XSIZE,
8301                GDI_Y, y,
8302                GDI_END);
8303   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
8304                GDI_Y, y,
8305                GDI_WIDTH, width,
8306                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
8307                GDI_END);
8308
8309   /* adjust vertical scrollbar gadgets */
8310   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_UP],
8311                GDI_X, x,
8312                GDI_END);
8313   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN],
8314                GDI_X, x,
8315                GDI_Y, y - ED_SCROLLBUTTON_YSIZE,
8316                GDI_END);
8317   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
8318                GDI_X, x,
8319                GDI_HEIGHT, height,
8320                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
8321                GDI_END);
8322 }
8323
8324 static void AdjustLevelScrollPosition()
8325 {
8326   if (level_xpos < -1)
8327     level_xpos = -1;
8328   if (level_xpos > lev_fieldx - ed_fieldx + 1)
8329     level_xpos = lev_fieldx - ed_fieldx + 1;
8330   if (lev_fieldx < ed_fieldx - 2)
8331     level_xpos = -1;
8332
8333   if (level_ypos < -1)
8334     level_ypos = -1;
8335   if (level_ypos > lev_fieldy - ed_fieldy + 1)
8336     level_ypos = lev_fieldy - ed_fieldy + 1;
8337   if (lev_fieldy < ed_fieldy - 2)
8338     level_ypos = -1;
8339 }
8340
8341 static void AdjustEditorScrollbar(int id)
8342 {
8343   struct GadgetInfo *gi = level_editor_gadget[id];
8344   int items_max, items_visible, item_position;
8345
8346   if (id == GADGET_ID_SCROLL_HORIZONTAL)
8347   {
8348     items_max = MAX(lev_fieldx + 2, ed_fieldx);
8349     items_visible = ed_fieldx;
8350     item_position = level_xpos + 1;
8351   }
8352   else
8353   {
8354     items_max = MAX(lev_fieldy + 2, ed_fieldy);
8355     items_visible = ed_fieldy;
8356     item_position = level_ypos + 1;
8357   }
8358
8359   if (item_position > items_max - items_visible)
8360     item_position = items_max - items_visible;
8361
8362   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
8363                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
8364 }
8365
8366 static void AdjustElementListScrollbar()
8367 {
8368   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
8369   int items_max, items_visible, item_position;
8370
8371   /* correct position of element list scrollbar */
8372   if (element_shift < 0)
8373     element_shift = 0;
8374   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
8375     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
8376
8377   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
8378   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
8379   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
8380
8381   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
8382                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
8383                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
8384 }
8385
8386 static void ModifyEditorCounterValue(int counter_id, int new_value)
8387 {
8388   int *counter_value = counterbutton_info[counter_id].value;
8389   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
8390   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8391
8392   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
8393
8394   if (counter_value != NULL)
8395     *counter_value = gi->textinput.number_value;
8396 }
8397
8398 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
8399 {
8400   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
8401   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8402
8403   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
8404
8405   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
8406       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
8407   {
8408     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
8409     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
8410
8411     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
8412     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_SMALL_DISTANCE,
8413                  GDI_END);
8414   }
8415 }
8416
8417 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
8418 {
8419   int gadget_id = selectbox_info[selectbox_id].gadget_id;
8420   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8421   int new_index_value = setSelectboxValue(selectbox_id, new_value);
8422
8423   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
8424 }
8425
8426 static void ModifyEditorSelectboxOptions(int selectbox_id,
8427                                          struct ValueTextInfo *options)
8428 {
8429   int gadget_id = selectbox_info[selectbox_id].gadget_id;
8430   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8431
8432   selectbox_info[selectbox_id].options = options;
8433
8434   /* set index to zero -- list may be shorter now (correct later, if needed) */
8435   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
8436                GDI_SELECTBOX_OPTIONS, options, GDI_END);
8437 }
8438
8439 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
8440 {
8441   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
8442   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8443
8444   drawingarea_info[drawingarea_id].area_xsize = xsize;
8445   drawingarea_info[drawingarea_id].area_ysize = ysize;
8446
8447   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
8448 }
8449
8450 static void ModifyEditorElementList()
8451 {
8452   int i;
8453
8454   if (!use_permanent_palette && edit_mode != ED_MODE_PALETTE)
8455     return;
8456
8457   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
8458   {
8459     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
8460     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8461     struct GadgetDesign *gd = &gi->deco.design;
8462     int element = editor_elements[element_shift + i];
8463     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
8464
8465     UnmapGadget(gi);
8466
8467     getEditorGraphicSource(element, tile_size, &gd->bitmap, &gd->x, &gd->y);
8468
8469     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
8470
8471     MapGadget(gi);
8472   }
8473 }
8474
8475 static void DrawDrawingElementGraphic(int element, struct XYTileSize *pos)
8476 {
8477   int graphic = el2edimg(element);
8478   int tile_size = BUTTON_TILE_SIZE(pos->tile_size);
8479
8480   if (pos->x == -1 &&
8481       pos->y == -1)
8482     return;
8483
8484   DrawSizedGraphicExt(drawto, DX + pos->x, DY + pos->y, graphic, 0, tile_size);
8485 }
8486
8487 static void ModifyDrawingElementButton(int element, int id)
8488 {
8489   struct GadgetInfo *gi = level_editor_gadget[id];
8490   Bitmap *deco_bitmap;
8491   int deco_x, deco_y;
8492   int tile_size = gi->deco.width;
8493
8494   getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
8495
8496   ModifyGadget(gi, GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y, GDI_END);
8497 }
8498
8499 static void PickDrawingElement(int button, int element)
8500 {
8501   struct
8502   {
8503     int *new_element;
8504     struct XYTileSize *pos;
8505     int id;
8506   } de, drawing_elements[] =
8507   {
8508     { &new_element1, &editor.palette.element_left,   GADGET_ID_ELEMENT_LEFT   },
8509     { &new_element2, &editor.palette.element_middle, GADGET_ID_ELEMENT_MIDDLE },
8510     { &new_element3, &editor.palette.element_right,  GADGET_ID_ELEMENT_RIGHT  },
8511   };
8512
8513   if (button < 1 || button > 3)
8514     return;
8515
8516   if (IS_MM_WALL(element))
8517     element = map_mm_wall_element(element);
8518
8519   de = drawing_elements[button - 1];
8520
8521   *de.new_element = element;    // update global drawing element variable
8522
8523   DrawDrawingElementGraphic(element, de.pos);
8524   ModifyDrawingElementButton(element, de.id);
8525
8526   redraw_mask |= REDRAW_DOOR_1;
8527 }
8528
8529 static void RedrawDrawingElements()
8530 {
8531   PickDrawingElement(1, new_element1);
8532   PickDrawingElement(2, new_element2);
8533   PickDrawingElement(3, new_element3);
8534 }
8535
8536 static void DrawDrawingWindow()
8537 {
8538   stick_element_properties_window = FALSE;
8539
8540   SetMainBackgroundImage(IMG_UNDEFINED);
8541   ClearField();
8542
8543   UnmapLevelEditorFieldGadgets();
8544   UnmapLevelEditorToolboxCustomGadgets();
8545
8546   AdjustDrawingAreaGadgets();
8547   AdjustLevelScrollPosition();
8548   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
8549   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
8550
8551   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
8552
8553   MapMainDrawingArea();
8554   MapLevelEditorToolboxDrawingGadgets();
8555 }
8556
8557 static int getTabulatorBarWidth()
8558 {
8559   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
8560   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
8561
8562   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
8563 }
8564
8565 static int getTabulatorBarHeight()
8566 {
8567   return ED_TAB_BAR_HEIGHT;
8568 }
8569
8570 static void DrawLevelInfoTabulatorGadgets()
8571 {
8572   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
8573   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
8574   int gd_x = gd->x + gd_gi1->border.width / 2;
8575   int gd_y = gd->y + gd_gi1->height - 1;
8576   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
8577   int id_first = ED_TAB_BUTTON_ID_LEVELINFO_FIRST;
8578   int id_last  = ED_TAB_BUTTON_ID_LEVELINFO_LAST;
8579   int i;
8580
8581   for (i = id_first; i <= id_last; i++)
8582   {
8583     int gadget_id = textbutton_info[i].gadget_id;
8584     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8585     boolean active = (i != edit_mode_levelinfo);
8586
8587     /* draw background line below tabulator button */
8588     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
8589
8590     /* draw solid line below inactive tabulator buttons */
8591     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
8592       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
8593                     ED_GADGET_TINY_DISTANCE, tab_color);
8594
8595     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
8596     MapTextbuttonGadget(i);
8597   }
8598
8599   /* draw little border line below tabulator buttons */
8600   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
8601     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
8602                   ED_GADGET_TINY_DISTANCE,
8603                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
8604 }
8605
8606 static void DrawPropertiesTabulatorGadgets()
8607 {
8608   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
8609   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
8610   int gd_x = gd->x + gd_gi1->border.width / 2;
8611   int gd_y = gd->y + gd_gi1->height - 1;
8612   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
8613   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
8614   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
8615   int i;
8616
8617   /* draw two config tabulators for player elements */
8618   if (ELEM_IS_PLAYER(properties_element))
8619     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
8620
8621   /* draw two config and one "change" tabulator for custom elements */
8622   if (IS_CUSTOM_ELEMENT(properties_element))
8623     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
8624
8625   for (i = id_first; i <= id_last; i++)
8626   {
8627     int gadget_id = textbutton_info[i].gadget_id;
8628     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8629     boolean active = (i != edit_mode_properties);
8630
8631     /* use "config 1" and "config 2" instead of "config" for players and CEs */
8632     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
8633         (ELEM_IS_PLAYER(properties_element) ||
8634          IS_CUSTOM_ELEMENT(properties_element)))
8635       continue;
8636
8637     /* draw background line below tabulator button */
8638     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
8639
8640     /* draw solid line below inactive tabulator buttons */
8641     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
8642       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
8643                     ED_GADGET_TINY_DISTANCE, tab_color);
8644
8645     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
8646     MapTextbuttonGadget(i);
8647   }
8648
8649   /* draw little border line below tabulator buttons */
8650   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
8651     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
8652                   ED_GADGET_TINY_DISTANCE,
8653                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
8654 }
8655
8656 static void DrawLevelInfoLevel()
8657 {
8658   int i;
8659
8660   /* draw counter gadgets */
8661   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
8662     MapCounterButtons(i);
8663
8664   /* draw checkbutton gadgets */
8665   for (i = ED_CHECKBUTTON_ID_LEVEL_FIRST; i<= ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
8666     MapCheckbuttonGadget(i);
8667
8668   /* draw selectbox gadgets */
8669   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
8670     MapSelectboxGadget(i);
8671
8672   /* draw text input gadgets */
8673   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
8674     MapTextInputGadget(i);
8675 }
8676
8677 static void DrawLevelInfoEditor()
8678 {
8679   int i;
8680
8681   /* draw counter gadgets */
8682   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
8683     MapCounterButtons(i);
8684
8685   /* draw checkbutton gadgets */
8686   for (i=ED_CHECKBUTTON_ID_EDITOR_FIRST; i<= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
8687     MapCheckbuttonGadget(i);
8688
8689   /* draw radiobutton gadgets */
8690   for (i=ED_RADIOBUTTON_ID_EDITOR_FIRST; i<= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
8691     MapRadiobuttonGadget(i);
8692
8693   /* draw drawing area */
8694   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
8695
8696   /* draw textbutton gadgets */
8697   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2);
8698 }
8699
8700 static void DrawLevelInfoWindow()
8701 {
8702   char *text = "Global Settings";
8703   int font_nr = FONT_TITLE_1;
8704   struct MenuPosInfo *pos = &editor.settings.headline;
8705   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font_nr), pos->align);
8706   int sy = SY + pos->y;
8707
8708   stick_element_properties_window = FALSE;
8709
8710   SetAutomaticNumberOfGemsNeeded();
8711
8712   UnmapLevelEditorFieldGadgets();
8713
8714   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
8715   ClearField();
8716
8717   DrawText(sx, sy, text, font_nr);
8718
8719   DrawLevelInfoTabulatorGadgets();
8720
8721   if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVEL)
8722     DrawLevelInfoLevel();
8723   else  /* (edit_mode_levelinfo == ED_MODE_LEVELINFO_EDITOR) */
8724     DrawLevelInfoEditor();
8725 }
8726
8727 static void DrawCustomContentArea()
8728 {
8729   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
8730   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
8731   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
8732   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
8733   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
8734   int xoffset = ED_GADGET_SPACE_DISTANCE;
8735
8736   /* add distance for potential left text (without drawing area border) */
8737   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
8738
8739   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
8740
8741   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
8742 }
8743
8744 static void DrawCustomChangeContentArea()
8745 {
8746   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
8747   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
8748   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
8749   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
8750   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
8751   int xoffset = ED_GADGET_SPACE_DISTANCE;
8752
8753   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
8754
8755   MapDrawingArea(id);
8756 }
8757
8758 static void RemoveElementContentArea(int id, int font_height)
8759 {
8760   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
8761
8762   DrawBackground(SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size,
8763                  SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size,
8764                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
8765                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size +
8766                  ED_GADGET_TEXT_DISTANCE + font_height);
8767 }
8768
8769 static void DrawYamYamContentAreas()
8770 {
8771   int font_nr = FONT_TEXT_1;
8772   int font_height = getFontHeight(font_nr);
8773   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
8774   int yoffset = (tilesize - font_height) / 2;
8775   int x = SX + ED_AREA_YAMYAM_CONTENT_X(3) + 4 * tilesize;
8776   int y = SY + ED_AREA_YAMYAM_CONTENT_Y(3) + yoffset;
8777   int i;
8778
8779   /* display counter to choose number of element content areas */
8780   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
8781
8782   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
8783   {
8784     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
8785
8786     if (i < level.num_yamyam_contents)
8787     {
8788       MapDrawingArea(id);
8789     }
8790     else
8791     {
8792       UnmapDrawingArea(id);
8793
8794       /* delete content areas in case of reducing number of them */
8795       RemoveElementContentArea(id, font_height);
8796     }
8797   }
8798
8799   DrawText(x, y + 0 * tilesize, "content", font_nr);
8800   DrawText(x, y + 1 * tilesize, "when",    font_nr);
8801   DrawText(x, y + 2 * tilesize, "smashed", font_nr);
8802 }
8803
8804 static void DrawMagicBallContentAreas()
8805 {
8806   int font_nr = FONT_TEXT_1;
8807   int font_height = getFontHeight(font_nr);
8808   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
8809   int yoffset = (tilesize - font_height) / 2;
8810   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_X(3) + 4 * tilesize;
8811   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_Y(3) + yoffset;
8812   int i;
8813
8814   /* display counter to choose number of element content areas */
8815   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
8816
8817   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
8818   {
8819     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
8820
8821     if (i < level.num_ball_contents)
8822     {
8823       MapDrawingArea(id);
8824     }
8825     else
8826     {
8827       UnmapDrawingArea(id);
8828
8829       /* delete content areas in case of reducing number of them */
8830       RemoveElementContentArea(id, font_height);
8831     }
8832   }
8833
8834   DrawText(x, y + 0 * tilesize, "generated", font_nr);
8835   DrawText(x, y + 1 * tilesize, "when",      font_nr);
8836   DrawText(x, y + 2 * tilesize, "active",    font_nr);
8837 }
8838
8839 static void DrawAndroidElementArea(int element)
8840 {
8841   int id = ED_DRAWING_ID_ANDROID_CONTENT;
8842   int num_elements = level.num_android_clone_elements;
8843   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
8844   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
8845   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
8846   int xsize = MAX_ANDROID_ELEMENTS;
8847   int ysize = 1;
8848
8849   /* display counter to choose number of element areas */
8850   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
8851
8852   if (drawingarea_info[id].text_left != NULL)
8853     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8854
8855   UnmapDrawingArea(id);
8856
8857   ModifyEditorDrawingArea(id, num_elements, 1);
8858
8859   /* delete content areas in case of reducing number of them */
8860   DrawBackground(sx, sy,
8861                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
8862                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
8863
8864   MapDrawingArea(id);
8865 }
8866
8867 static void DrawGroupElementArea(int element)
8868 {
8869   int id = ED_DRAWING_ID_GROUP_CONTENT;
8870   int num_elements = group_element_info.num_elements;
8871   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
8872   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
8873   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
8874   int xsize = MAX_ELEMENTS_IN_GROUP;
8875   int ysize = 1;
8876
8877   if (drawingarea_info[id].text_left != NULL)
8878     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8879
8880   UnmapDrawingArea(id);
8881
8882   ModifyEditorDrawingArea(id, num_elements, 1);
8883
8884   /* delete content areas in case of reducing number of them */
8885   DrawBackground(sx, sy,
8886                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
8887                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
8888
8889   MapDrawingArea(id);
8890 }
8891
8892 static void DrawPlayerInitialInventoryArea(int element)
8893 {
8894   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
8895   int player_nr = GET_PLAYER_NR(element);
8896   int num_elements = level.initial_inventory_size[player_nr];
8897   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
8898   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
8899   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
8900   int xsize = MAX_INITIAL_INVENTORY_SIZE;
8901   int ysize = 1;
8902
8903   /* determine horizontal position to the right of specified gadget */
8904   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
8905     sx = (right_gadget_border[drawingarea_info[id].gadget_id_align] +
8906           ED_DRAWINGAREA_TEXT_DISTANCE);
8907
8908   /* determine horizontal offset for leading text */
8909   if (drawingarea_info[id].text_left != NULL)
8910     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8911
8912   UnmapDrawingArea(id);
8913
8914   ModifyEditorDrawingArea(id, num_elements, 1);
8915
8916   /* delete content areas in case of reducing number of them */
8917   DrawBackground(sx, sy,
8918                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
8919                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
8920
8921   MapDrawingArea(id);
8922 }
8923
8924 static void DrawEnvelopeTextArea(int envelope_nr)
8925 {
8926   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
8927   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
8928
8929   UnmapGadget(gi);
8930   DrawBackground(gi->x, gi->y, gi->width, gi->height);
8931
8932   if (envelope_nr != -1)
8933     textarea_info[id].value = level.envelope[envelope_nr].text;
8934
8935   ModifyGadget(gi, GDI_AREA_SIZE,
8936                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
8937                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
8938                GDI_END);
8939
8940   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
8941 }
8942
8943 static void PrintInfoText(char *text, int font_nr, int xpos, int ypos)
8944 {
8945   DrawText(SX + xpos, SY + ypos, text, font_nr);
8946 }
8947
8948 static int PrintElementDescriptionFromFile(char *filename, int font_nr,
8949                                            int xpos, int ypos)
8950 {
8951   int font_width = getFontWidth(font_nr);
8952   int font_height = getFontHeight(font_nr);
8953   int max_chars_per_line = (SXSIZE - 2 * xpos) / font_width;
8954   int max_lines_drawable = (SYSIZE - ypos) / font_height - 1;
8955
8956   return DrawTextFile(SX + xpos, SY + ypos, filename, font_nr,
8957                       max_chars_per_line, -1, max_lines_drawable, 0, -1,
8958                       TRUE, FALSE, FALSE);
8959 }
8960
8961 static void DrawPropertiesInfo()
8962 {
8963   static struct
8964   {
8965     int value;
8966     char *text;
8967   }
8968   properties[] =
8969   {
8970     /* configurable properties */
8971
8972     { EP_WALKABLE_OVER,         "- player can walk over it"             },
8973     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
8974     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
8975     { EP_PASSABLE_OVER,         "- player can pass over it"             },
8976     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
8977     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
8978     { EP_PROTECTED,             "- player is protected by it"           },
8979
8980     { EP_DIGGABLE,              "- can be digged away"                  },
8981     { EP_COLLECTIBLE,           "- can be collected"                    },
8982     { EP_DROPPABLE,             "- can be dropped after collecting"     },
8983     { EP_THROWABLE,             "- can be thrown after collecting"      },
8984     { EP_PUSHABLE,              "- can be pushed"                       },
8985
8986     { EP_CAN_FALL,              "- can fall"                            },
8987     { EP_CAN_MOVE,              "- can move"                            },
8988
8989     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
8990 #if 0
8991     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
8992 #endif
8993     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
8994
8995     { EP_SLIPPERY,              "- slippery for falling elements"       },
8996     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
8997
8998     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
8999     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
9000     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
9001     { EP_DONT_TOUCH,            "- deadly when touching"                },
9002
9003     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
9004
9005     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
9006     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
9007     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
9008
9009     { EP_CAN_CHANGE,            "- can change to other element"         },
9010
9011     /* pre-defined properties */
9012     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
9013     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
9014     { EP_SWITCHABLE,            "- can be switched"                     },
9015 #if 0
9016     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
9017 #endif
9018
9019     { -1,                       NULL                                    }
9020   };
9021   char *filename = getElementDescriptionFilename(properties_element);
9022   char *percentage_text = "In this level: ";
9023   char *properties_text = "Standard properties: ";
9024   char *description_text = "Description:";
9025   char *no_description_text = "No description available.";
9026   char *none_text = "None";
9027   float percentage;
9028   int num_elements_in_level;
9029   int num_standard_properties = 0;
9030   int font1_nr = FONT_TEXT_1;
9031   int font2_nr = FONT_TEXT_2;
9032   int font1_width = getFontWidth(font1_nr);
9033   int font1_height = getFontHeight(font1_nr);
9034   int font2_height = getFontHeight(font2_nr);
9035   int line1_height = font1_height + ED_GADGET_LINE_DISTANCE;
9036   int font2_yoffset = (font1_height - font2_height) / 2;
9037   int percentage_text_len = strlen(percentage_text) * font1_width;
9038   int properties_text_len = strlen(properties_text) * font1_width;
9039   int xpos = ED_ELEMENT_SETTINGS_X(0);
9040   int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
9041   int i, x, y;
9042
9043   if (setup.editor.show_element_token)
9044   {
9045     int font3_nr = FONT_TEXT_3;
9046     int font3_height = getFontHeight(font3_nr);
9047
9048     DrawTextF(xpos, ypos, font3_nr,
9049               "[%s]", element_info[properties_element].token_name);
9050
9051     ypos += 2 * font3_height;
9052   }
9053
9054   /* ----- print number of elements / percentage of this element in level */
9055
9056   num_elements_in_level = 0;
9057   for (y = 0; y < lev_fieldy; y++)
9058     for (x = 0; x < lev_fieldx; x++)
9059       if (Feld[x][y] == properties_element)
9060         num_elements_in_level++;
9061   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
9062
9063   DrawTextS(xpos, ypos, font1_nr, percentage_text);
9064
9065   if (num_elements_in_level > 0)
9066     DrawTextF(xpos + percentage_text_len, ypos + font2_yoffset, font2_nr,
9067               "%d (%.2f %%)", num_elements_in_level, percentage);
9068   else
9069     DrawTextF(xpos + percentage_text_len, ypos + font2_yoffset, font2_nr,
9070               none_text);
9071
9072   ypos += 2 * MAX(font1_height, font2_height);
9073
9074   /* ----- print standard properties of this element */
9075
9076   DrawTextS(xpos, ypos, font1_nr, properties_text);
9077
9078   ypos += line1_height;
9079
9080   for (i = 0; properties[i].value != -1; i++)
9081   {
9082     if (!HAS_PROPERTY(properties_element, properties[i].value))
9083       continue;
9084
9085     DrawTextS(xpos, ypos, font2_nr, properties[i].text);
9086
9087     ypos += font2_height;
9088
9089     num_standard_properties++;
9090   }
9091
9092   if (num_standard_properties == 0)
9093   {
9094     DrawTextS(xpos + properties_text_len, ypos - line1_height + font2_yoffset,
9095               font2_nr, none_text);
9096
9097     ypos -= (line1_height - font1_height);
9098   }
9099
9100   ypos += MAX(font1_height, font2_height);
9101
9102   /* ----- print special description of this element */
9103
9104   PrintInfoText(description_text, font1_nr, xpos, ypos);
9105
9106   ypos += line1_height;
9107
9108   if (PrintElementDescriptionFromFile(filename, font2_nr, xpos, ypos) == 0)
9109     PrintInfoText(no_description_text, font1_nr, xpos, ypos - line1_height);
9110 }
9111
9112 #define TEXT_COLLECTING         "Score for collecting"
9113 #define TEXT_SMASHING           "Score for smashing"
9114 #define TEXT_SLURPING           "Score for slurping robot"
9115 #define TEXT_CRACKING           "Score for cracking"
9116 #define TEXT_AMOEBA_SPEED       "Speed of amoeba growth"
9117 #define TEXT_DURATION           "Duration when activated"
9118 #define TEXT_DELAY_ON           "Delay before activating"
9119 #define TEXT_DELAY_OFF          "Delay before deactivating"
9120 #define TEXT_DELAY_EXPLODING    "Delay before exploding"
9121 #define TEXT_DELAY_MOVING       "Delay before moving"
9122 #define TEXT_BALL_DELAY         "Element generation delay"
9123 #define TEXT_MOVE_SPEED         "Speed of android moving"
9124 #define TEXT_CLONE_SPEED        "Speed of android cloning"
9125 #define TEXT_GAME_OF_LIFE_1     "Min neighbours to survive"
9126 #define TEXT_GAME_OF_LIFE_2     "Max neighbours to survive"
9127 #define TEXT_GAME_OF_LIFE_3     "Min neighbours to create"
9128 #define TEXT_GAME_OF_LIFE_4     "Max neighbours to create"
9129 #define TEXT_TIME_BONUS         "Extra time to solve level"
9130
9131 static struct
9132 {
9133   int element;
9134   int *value;
9135   char *text;
9136 } elements_with_counter[] =
9137 {
9138   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
9139   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
9140   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
9141   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
9142   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
9143   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
9144   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
9145   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
9146   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
9147   { EL_BUG,             &level.score[SC_BUG],           TEXT_SMASHING   },
9148   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
9149   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
9150   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
9151   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
9152   { EL_BD_BUTTERFLY,    &level.score[SC_BUG],           TEXT_SMASHING   },
9153   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
9154   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
9155   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
9156   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
9157   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
9158   { EL_SPACESHIP,       &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9159   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9160   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9161   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9162   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9163   { EL_BD_FIREFLY,      &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9164   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9165   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9166   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9167   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9168   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9169   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9170   { EL_YAMYAM_LEFT,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9171   { EL_YAMYAM_RIGHT,    &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9172   { EL_YAMYAM_UP,       &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9173   { EL_YAMYAM_DOWN,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9174   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9175   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
9176   { EL_PACMAN,          &level.score[SC_PACMAN],        TEXT_SMASHING   },
9177   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
9178   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
9179   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
9180   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
9181   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
9182   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
9183   { EL_EM_DYNAMITE,     &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
9184   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
9185   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],TEXT_COLLECTING },
9186   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],TEXT_COLLECTING },
9187   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
9188   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
9189   { EL_EXTRA_TIME,      &level.extra_time_score,        TEXT_COLLECTING },
9190   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
9191   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
9192   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
9193   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
9194   { EL_EM_KEY_1,        &level.score[SC_KEY],           TEXT_COLLECTING },
9195   { EL_EM_KEY_2,        &level.score[SC_KEY],           TEXT_COLLECTING },
9196   { EL_EM_KEY_3,        &level.score[SC_KEY],           TEXT_COLLECTING },
9197   { EL_EM_KEY_4,        &level.score[SC_KEY],           TEXT_COLLECTING },
9198   { EL_EMC_KEY_5,       &level.score[SC_KEY],           TEXT_COLLECTING },
9199   { EL_EMC_KEY_6,       &level.score[SC_KEY],           TEXT_COLLECTING },
9200   { EL_EMC_KEY_7,       &level.score[SC_KEY],           TEXT_COLLECTING },
9201   { EL_EMC_KEY_8,       &level.score[SC_KEY],           TEXT_COLLECTING },
9202   { EL_DC_KEY_WHITE,    &level.score[SC_KEY],           TEXT_COLLECTING },
9203   { EL_MM_KETTLE,       &level.score[SC_EMERALD],       TEXT_COLLECTING },
9204   { EL_DF_CELL,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
9205   { EL_MM_KEY,          &level.score[SC_KEY],           TEXT_COLLECTING },
9206   { EL_MM_LIGHTBALL,    &level.score[SC_ELEM_BONUS],    TEXT_COLLECTING },
9207   { EL_MM_PACMAN,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
9208   { EL_MM_PACMAN_RIGHT, &level.score[SC_PACMAN],        TEXT_SMASHING   },
9209   { EL_MM_PACMAN_UP,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
9210   { EL_MM_PACMAN_LEFT,  &level.score[SC_PACMAN],        TEXT_SMASHING   },
9211   { EL_MM_PACMAN_DOWN,  &level.score[SC_PACMAN],        TEXT_SMASHING   },
9212   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9213   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9214   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9215   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9216   { EL_EMC_DRIPPER,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9217   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
9218   { EL_BD_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
9219   { EL_DC_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
9220   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
9221
9222   { EL_TIMEGATE_SWITCH,   &level.time_timegate,         TEXT_DURATION   },
9223   { EL_DC_TIMEGATE_SWITCH,&level.time_timegate,         TEXT_DURATION   },
9224   { EL_LIGHT_SWITCH,    &level.time_light,              TEXT_DURATION   },
9225   { EL_LIGHT_SWITCH_ACTIVE, &level.time_light,          TEXT_DURATION   },
9226   { EL_SHIELD_NORMAL,   &level.shield_normal_time,      TEXT_DURATION   },
9227   { EL_SHIELD_DEADLY,   &level.shield_deadly_time,      TEXT_DURATION   },
9228   { EL_EXTRA_TIME,      &level.extra_time,              TEXT_TIME_BONUS },
9229   { EL_TIME_ORB_FULL,   &level.time_orb_time,           TEXT_TIME_BONUS },
9230   { EL_GAME_OF_LIFE,    &level.game_of_life[0],         TEXT_GAME_OF_LIFE_1 },
9231   { EL_GAME_OF_LIFE,    &level.game_of_life[1],         TEXT_GAME_OF_LIFE_2 },
9232   { EL_GAME_OF_LIFE,    &level.game_of_life[2],         TEXT_GAME_OF_LIFE_3 },
9233   { EL_GAME_OF_LIFE,    &level.game_of_life[3],         TEXT_GAME_OF_LIFE_4 },
9234   { EL_BIOMAZE,         &level.biomaze[0],              TEXT_GAME_OF_LIFE_1 },
9235   { EL_BIOMAZE,         &level.biomaze[1],              TEXT_GAME_OF_LIFE_2 },
9236   { EL_BIOMAZE,         &level.biomaze[2],              TEXT_GAME_OF_LIFE_3 },
9237   { EL_BIOMAZE,         &level.biomaze[3],              TEXT_GAME_OF_LIFE_4 },
9238
9239   { EL_EMC_ANDROID,     &level.android_move_time,       TEXT_MOVE_SPEED },
9240   { EL_EMC_ANDROID,     &level.android_clone_time,      TEXT_CLONE_SPEED },
9241   { EL_EMC_MAGIC_BALL,  &level.ball_time,               TEXT_BALL_DELAY },
9242   { EL_EMC_LENSES,      &level.lenses_score,            TEXT_COLLECTING },
9243   { EL_EMC_MAGNIFIER,   &level.magnify_score,           TEXT_COLLECTING },
9244   { EL_SPRING,          &level.slurp_score,             TEXT_SLURPING   },
9245   { EL_EMC_LENSES,      &level.lenses_time,             TEXT_DURATION   },
9246   { EL_EMC_MAGNIFIER,   &level.magnify_time,            TEXT_DURATION   },
9247   { EL_MM_FUSE_ACTIVE,  &level.mm_time_fuse,            TEXT_DELAY_OFF  },
9248   { EL_MM_BOMB,         &level.mm_time_bomb,            TEXT_DELAY_EXPLODING },
9249   { EL_MM_GRAY_BALL,    &level.mm_time_ball,            TEXT_DELAY_ON   },
9250   { EL_MM_STEEL_BLOCK,  &level.mm_time_block,           TEXT_DELAY_MOVING },
9251   { EL_MM_WOODEN_BLOCK, &level.mm_time_block,           TEXT_DELAY_MOVING },
9252
9253   { -1,                 NULL,                           NULL            }
9254 };
9255
9256 static boolean checkPropertiesConfig(int element)
9257 {
9258   int i;
9259
9260   if (IS_GEM(element) ||
9261       IS_CUSTOM_ELEMENT(element) ||
9262       IS_GROUP_ELEMENT(element) ||
9263       IS_BALLOON_ELEMENT(element) ||
9264       IS_ENVELOPE(element) ||
9265       IS_MM_MCDUFFIN(element) ||
9266       IS_DF_LASER(element) ||
9267       ELEM_IS_PLAYER(element) ||
9268       HAS_EDITOR_CONTENT(element) ||
9269       CAN_GROW(element) ||
9270       COULD_MOVE_INTO_ACID(element) ||
9271       MAYBE_DONT_COLLIDE_WITH(element) ||
9272       element == EL_SOKOBAN_OBJECT ||
9273       element == EL_SOKOBAN_FIELD_EMPTY ||
9274       element == EL_SOKOBAN_FIELD_FULL)
9275     return TRUE;
9276   else
9277     for (i = 0; elements_with_counter[i].element != -1; i++)
9278       if (elements_with_counter[i].element == element)
9279         return TRUE;
9280
9281   return FALSE;
9282 }
9283
9284 static void SetAutomaticNumberOfGemsNeeded()
9285 {
9286   int x, y;
9287
9288   if (!level.auto_count_gems)
9289     return;
9290
9291   level.gems_needed = 0;
9292
9293   for (x = 0; x < lev_fieldx; x++)
9294   {
9295     for (y = 0; y < lev_fieldy; y++)
9296     {
9297       int element = Feld[x][y];
9298
9299       if (IS_GEM(element) ||
9300           element == EL_MM_KETTLE ||
9301           element == EL_DF_CELL)
9302         level.gems_needed++;
9303     }
9304   }
9305
9306   ModifyEditorCounterValue(ED_COUNTER_ID_LEVEL_GEMSLIMIT, level.gems_needed);
9307 }
9308
9309 static void DrawPropertiesConfig()
9310 {
9311   boolean draw_footer_line = FALSE;
9312   int max_num_element_counters = 4;
9313   int num_element_counters = 0;
9314   int i;
9315
9316   if (!checkPropertiesConfig(properties_element))
9317   {
9318     int xpos = ED_ELEMENT_SETTINGS_X(0);
9319     int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
9320
9321     PrintInfoText("No configuration options available.",
9322                   FONT_TEXT_1, xpos, ypos);
9323
9324     return;
9325   }
9326
9327   /* check if there are elements where a value can be chosen for */
9328   for (i = 0; elements_with_counter[i].element != -1; i++)
9329   {
9330     if (elements_with_counter[i].element == properties_element)
9331     {
9332       int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
9333
9334       counterbutton_info[counter_id].y =
9335         ED_ELEMENT_SETTINGS_YPOS(
9336                 (HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
9337                 (CAN_GROW(properties_element)                ? 1 : 0) +
9338                 (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
9339                 (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
9340                 (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
9341                 num_element_counters);
9342
9343       counterbutton_info[counter_id].value = elements_with_counter[i].value;
9344       counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
9345
9346       if (properties_element == EL_GAME_OF_LIFE ||
9347           properties_element == EL_BIOMAZE)
9348       {
9349         counterbutton_info[counter_id].min_value = 0;   /* min neighbours */
9350         counterbutton_info[counter_id].max_value = 8;   /* max neighbours */
9351       }
9352       else
9353       {
9354         /* !!! CHANGE THIS FOR CERTAIN ELEMENTS !!! */
9355         counterbutton_info[counter_id].min_value = MIN_SCORE;
9356         counterbutton_info[counter_id].max_value = MAX_SCORE;
9357       }
9358
9359       MapCounterButtons(counter_id);
9360
9361       num_element_counters++;
9362       if (num_element_counters >= max_num_element_counters)
9363         break;
9364     }
9365   }
9366
9367   if (HAS_EDITOR_CONTENT(properties_element))
9368   {
9369     /* draw stickybutton gadget */
9370     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9371
9372     if (IS_AMOEBOID(properties_element))
9373       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
9374     else if (properties_element == EL_YAMYAM ||
9375              properties_element == EL_YAMYAM_LEFT ||
9376              properties_element == EL_YAMYAM_RIGHT ||
9377              properties_element == EL_YAMYAM_UP ||
9378              properties_element == EL_YAMYAM_DOWN)
9379       DrawYamYamContentAreas();
9380     else if (properties_element == EL_EMC_MAGIC_BALL)
9381     {
9382       DrawMagicBallContentAreas();
9383
9384       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
9385       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_STATE);
9386     }
9387     else if (properties_element == EL_EMC_ANDROID)
9388       DrawAndroidElementArea(properties_element);
9389   }
9390
9391   if (ELEM_IS_PLAYER(properties_element))
9392   {
9393     int player_nr = GET_PLAYER_NR(properties_element);
9394
9395     /* these properties can be set for every player individually */
9396
9397     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
9398     {
9399       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
9400         &level.start_element[player_nr];
9401       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
9402         &level.artwork_element[player_nr];
9403       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
9404         &level.explosion_element[player_nr];
9405
9406       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
9407         &level.use_start_element[player_nr];
9408       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
9409         &level.use_artwork_element[player_nr];
9410       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
9411         &level.use_explosion_element[player_nr];
9412       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
9413         &level.initial_player_gravity[player_nr];
9414
9415       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
9416         &level.initial_player_stepsize[player_nr];
9417
9418       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
9419       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
9420                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
9421                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
9422       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
9423       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
9424       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
9425       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
9426       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_LAZY_RELOCATION);
9427       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
9428       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
9429       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
9430       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
9431       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
9432
9433       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
9434       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
9435       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
9436
9437       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
9438     }
9439     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
9440     {
9441       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
9442         &level.initial_inventory_content[player_nr][0];
9443
9444       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
9445         &level.initial_inventory_size[player_nr];
9446
9447       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
9448         &level.use_initial_inventory[player_nr];
9449
9450       /* draw checkbutton gadgets */
9451       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
9452
9453       /* draw counter gadgets */
9454       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
9455
9456       /* draw drawing area gadgets */
9457       DrawPlayerInitialInventoryArea(properties_element);
9458     }
9459   }
9460
9461   if (IS_GEM(properties_element))
9462     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
9463
9464   if (properties_element == EL_EM_DYNAMITE)
9465     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
9466
9467   if (COULD_MOVE_INTO_ACID(properties_element) &&
9468       !ELEM_IS_PLAYER(properties_element) &&
9469       (!IS_CUSTOM_ELEMENT(properties_element) ||
9470        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
9471   {
9472     /* set position for checkbutton for "can move into acid" */
9473     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
9474       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
9475     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
9476       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 6 :
9477                                IS_BALLOON_ELEMENT(properties_element) ||
9478                                HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
9479
9480     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
9481   }
9482
9483   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
9484     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
9485
9486   if (properties_element == EL_SPRING)
9487     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
9488
9489   if (properties_element == EL_TIME_ORB_FULL)
9490     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
9491
9492   if (CAN_GROW(properties_element))
9493   {
9494     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
9495       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
9496
9497     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
9498   }
9499
9500   if (properties_element == EL_SOKOBAN_OBJECT ||
9501       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
9502       properties_element == EL_SOKOBAN_FIELD_FULL)
9503     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
9504
9505   if (IS_BALLOON_ELEMENT(properties_element))
9506     MapSelectboxGadget(ED_SELECTBOX_ID_WIND_DIRECTION);
9507
9508   if (IS_ENVELOPE(properties_element))
9509   {
9510     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
9511     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
9512     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
9513     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
9514     int envelope_nr = properties_element - EL_ENVELOPE_1;
9515
9516     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
9517     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
9518
9519     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
9520     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
9521
9522     /* display counter to choose size of envelope text area */
9523     MapCounterButtons(counter1_id);
9524     MapCounterButtons(counter2_id);
9525
9526     /* display checkbuttons to choose auto-wrap and alignment properties */
9527     MapCheckbuttonGadget(button1_id);
9528     MapCheckbuttonGadget(button2_id);
9529
9530     DrawEnvelopeTextArea(envelope_nr);
9531   }
9532
9533   if (IS_MM_MCDUFFIN(properties_element))
9534   {
9535     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_RED);
9536     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_GREEN);
9537     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_BLUE);
9538   }
9539
9540   if (IS_DF_LASER(properties_element))
9541   {
9542     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_RED);
9543     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_GREEN);
9544     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_BLUE);
9545   }
9546
9547   if (IS_CUSTOM_ELEMENT(properties_element))
9548   {
9549     /* draw stickybutton gadget */
9550     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9551
9552     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
9553     {
9554       /* draw checkbutton gadgets */
9555       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
9556            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
9557         MapCheckbuttonGadget(i);
9558
9559       /* draw counter gadgets */
9560       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
9561            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
9562         MapCounterButtons(i);
9563
9564       /* draw selectbox gadgets */
9565       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
9566            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
9567         MapSelectboxGadget(i);
9568
9569       /* draw textbutton gadgets */
9570       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
9571
9572       /* draw text input gadgets */
9573       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
9574
9575       /* draw drawing area gadgets */
9576       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
9577
9578       draw_footer_line = TRUE;
9579     }
9580     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
9581     {
9582       /* draw checkbutton gadgets */
9583       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
9584            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
9585         MapCheckbuttonGadget(i);
9586
9587       /* draw counter gadgets */
9588       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
9589            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
9590         MapCounterButtons(i);
9591
9592       /* draw selectbox gadgets */
9593       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
9594            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
9595         MapSelectboxGadget(i);
9596
9597       /* draw drawing area gadgets */
9598       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
9599       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
9600       DrawCustomContentArea();
9601     }
9602   }
9603   else if (IS_GROUP_ELEMENT(properties_element))
9604   {
9605     /* draw stickybutton gadget */
9606     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9607
9608     /* draw checkbutton gadgets */
9609     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
9610     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
9611
9612     /* draw counter gadgets */
9613     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
9614
9615     /* draw selectbox gadgets */
9616     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
9617
9618     /* draw textbutton gadgets */
9619     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
9620
9621     /* draw drawing area gadgets */
9622     DrawGroupElementArea(properties_element);
9623
9624     /* draw text input gadgets */
9625     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
9626
9627     /* draw drawing area gadgets */
9628     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
9629
9630     draw_footer_line = TRUE;
9631   }
9632
9633   /* draw little footer border line above CE/GE use/save template gadgets */
9634   if (draw_footer_line)
9635   {
9636     struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
9637     struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
9638     int gd_x = gd->x + gd_gi1->border.width / 2;
9639     int gd_y = gd->y + gd_gi1->height - 1;
9640     Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
9641
9642     if (tab_color != BLACK_PIXEL)               /* black => transparent */
9643       FillRectangle(drawto,
9644                     SX + ED_ELEMENT_SETTINGS_X(0),
9645                     SY + ED_ELEMENT_SETTINGS_Y(14) - ED_SETTINGS_TABS_YOFFSET -
9646                     ED_TAB_BAR_HEIGHT,
9647                     getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
9648   }
9649 }
9650
9651 static void DrawPropertiesChangeDrawingAreas()
9652 {
9653   if (IS_CUSTOM_ELEMENT(properties_element))
9654   {
9655     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
9656     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
9657     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
9658
9659     DrawCustomChangeContentArea();
9660   }
9661
9662   redraw_mask |= REDRAW_FIELD;
9663 }
9664
9665 static void DrawPropertiesChange()
9666 {
9667   int i;
9668
9669   /* needed to initially set selectbox options for special action options */
9670   setSelectboxSpecialActionOptions();
9671
9672   /* draw stickybutton gadget */
9673   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9674
9675   /* draw checkbutton gadgets */
9676   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
9677        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
9678     MapCheckbuttonGadget(i);
9679
9680   /* draw counter gadgets */
9681   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
9682        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
9683     MapCounterButtons(i);
9684
9685   /* draw selectbox gadgets */
9686   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
9687        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
9688     MapSelectboxGadget(i);
9689
9690   /* draw textbutton gadgets */
9691   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
9692        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
9693     MapTextbuttonGadget(i);
9694
9695   /* draw graphicbutton gadgets */
9696   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
9697        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
9698     MapGraphicbuttonGadget(i);
9699
9700   /* draw drawing area gadgets */
9701   DrawPropertiesChangeDrawingAreas();
9702 }
9703
9704 static void DrawEditorElementAnimation(int x, int y)
9705 {
9706   int graphic = el2img(properties_element);
9707   int frame = (ANIM_MODE(graphic) == ANIM_CE_VALUE ?
9708                custom_element.ce_value_fixed_initial :
9709                ANIM_MODE(graphic) == ANIM_CE_SCORE ?
9710                custom_element.collect_score_initial : FrameCounter);
9711
9712   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
9713 }
9714
9715 static void DrawEditorElementName(int x, int y, int font_nr)
9716 {
9717   char *element_name = getElementInfoText(properties_element);
9718   int font_width = getFontWidth(font_nr);
9719   int font_height = getFontHeight(font_nr);
9720   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_X(0);
9721   int max_chars_per_line = max_text_width / font_width;
9722   char buffer[max_chars_per_line + 1];
9723
9724   if (strlen(element_name) <= max_chars_per_line)
9725     DrawTextS(x, y, font_nr, element_name);
9726   else
9727   {
9728     int next_pos = max_chars_per_line;
9729
9730     strncpy(buffer, element_name, max_chars_per_line);
9731     buffer[max_chars_per_line] = '\0';
9732
9733     if (element_name[max_chars_per_line] == ' ')
9734       next_pos++;
9735     else
9736     {
9737       int i;
9738
9739       for (i = max_chars_per_line - 1; i >= 0; i--)
9740         if (buffer[i] == ' ')
9741           break;
9742
9743       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
9744       {
9745         buffer[i] = '\0';
9746         next_pos = i + 1;
9747       }
9748     }
9749
9750     DrawTextS(x, y - font_height / 2, font_nr, buffer);
9751
9752     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
9753     buffer[max_chars_per_line] = '\0';
9754
9755     DrawTextS(x, y + font_height / 2, font_nr, buffer);
9756   }
9757 }
9758
9759 static void DrawPropertiesWindow()
9760 {
9761   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
9762   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
9763   int border_size = gd->border_size;
9764   int font_nr = FONT_TEXT_1;
9765   int font_height = getFontHeight(font_nr);
9766   int xoffset = TILEX + element_border + 3 * border_size;
9767   int yoffset = (TILEY - font_height) / 2;
9768   int x1 = editor.settings.element_graphic.x + element_border;
9769   int y1 = editor.settings.element_graphic.y + element_border;
9770   int x2 = (editor.settings.element_name.x == -1 ? x1 + xoffset :
9771             editor.settings.element_name.x);
9772   int y2 = (editor.settings.element_name.y == -1 ? y1 + yoffset :
9773             editor.settings.element_name.y);
9774   char *text = "Element Settings";
9775   int font2_nr = FONT_TITLE_1;
9776   struct MenuPosInfo *pos = &editor.settings.headline;
9777   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font2_nr), pos->align);
9778   int sy = SY + pos->y;
9779
9780   stick_element_properties_window = FALSE;
9781
9782   /* make sure that previous properties edit mode exists for this element */
9783   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
9784       !IS_CUSTOM_ELEMENT(properties_element))
9785     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
9786
9787   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
9788       !ELEM_IS_PLAYER(properties_element) &&
9789       !IS_CUSTOM_ELEMENT(properties_element))
9790     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
9791
9792   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
9793       (ELEM_IS_PLAYER(properties_element) ||
9794        IS_CUSTOM_ELEMENT(properties_element)))
9795     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
9796
9797   CopyElementPropertiesToEditor(properties_element);
9798
9799   UnmapLevelEditorFieldGadgets();
9800   UnmapLevelEditorToolboxDrawingGadgets();
9801   UnmapLevelEditorToolboxCustomGadgets();
9802
9803   if (IS_CUSTOM_ELEMENT(properties_element) ||
9804       IS_GROUP_ELEMENT(properties_element))
9805     MapLevelEditorToolboxCustomGadgets();
9806
9807   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
9808   ClearField();
9809
9810   DrawText(sx, sy, text, font2_nr);
9811
9812   FrameCounter = 0;     /* restart animation frame counter */
9813
9814   DrawElementBorder(SX + x1, SY + y1, TILEX, TILEY, FALSE);
9815   DrawEditorElementAnimation(SX + x1, SY + y1);
9816   DrawEditorElementName(x2, y2, font_nr);
9817
9818   DrawPropertiesTabulatorGadgets();
9819
9820   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
9821     DrawPropertiesInfo();
9822   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
9823     DrawPropertiesChange();
9824   else  /* (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2]) */
9825     DrawPropertiesConfig();
9826 }
9827
9828 static void DrawPaletteWindow()
9829 {
9830   int i;
9831
9832   UnmapLevelEditorFieldGadgets();
9833
9834   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
9835   ClearField();
9836
9837   /* map buttons to select elements */
9838   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
9839     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
9840   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
9841   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
9842   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
9843 }
9844
9845 static void UpdateCustomElementGraphicGadgets()
9846 {
9847   int i;
9848
9849   InitElementPropertiesGfxElement();
9850
9851   ModifyEditorElementList();
9852   RedrawDrawingElements();
9853
9854   /* force redraw of all mapped drawing area gadgets */
9855   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
9856   {
9857     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
9858
9859     if (gi->mapped)
9860       MapDrawingArea(i);
9861   }
9862 }
9863
9864 static int getOpenDirectionFromTube(int element)
9865 {
9866   switch (element)
9867   {
9868     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
9869     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
9870     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
9871     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
9872     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
9873     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
9874     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
9875     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
9876     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
9877     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
9878     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
9879   }
9880
9881   return MV_NONE;
9882 }
9883
9884 static int getTubeFromOpenDirection(int direction)
9885 {
9886   switch (direction)
9887   {
9888     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
9889     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
9890     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
9891     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
9892     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
9893     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
9894     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
9895     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
9896     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
9897     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
9898     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
9899
9900     /* if only one direction, fall back to simple tube with that direction */
9901     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
9902     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
9903     case (MV_UP):                       return EL_TUBE_VERTICAL;
9904     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
9905   }
9906
9907   return EL_EMPTY;
9908 }
9909
9910 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
9911 {
9912   int element_new = getTubeFromOpenDirection(direction);
9913
9914   return (element_new != EL_EMPTY ? element_new : element_old);
9915 }
9916
9917 static int getOpenDirectionFromBelt(int element)
9918 {
9919   int belt_dir = getBeltDirFromBeltElement(element);
9920
9921   return (belt_dir == MV_LEFT ? MV_RIGHT :
9922           belt_dir == MV_RIGHT ? MV_LEFT :
9923           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
9924 }
9925
9926 static int getBeltFromNrAndOpenDirection(int nr, int direction)
9927 {
9928   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
9929                   direction == MV_RIGHT ? MV_LEFT :
9930                   direction == MV_HORIZONTAL ? MV_NONE : direction);
9931
9932   if (direction == MV_NONE)
9933     return EL_EMPTY;
9934
9935   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
9936 }
9937
9938 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
9939                                                  int element_old)
9940 {
9941   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
9942
9943   return (element_new != EL_EMPTY ? element_new : element_old);
9944 }
9945
9946 static int getOpenDirectionFromPool(int element)
9947 {
9948   switch (element)
9949   {
9950     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
9951     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
9952     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
9953     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
9954     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
9955     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
9956   }
9957
9958   return MV_NONE;
9959 }
9960
9961 static int getPoolFromOpenDirection(int direction)
9962 {
9963   switch (direction)
9964   {
9965     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
9966     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
9967     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
9968     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
9969     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
9970     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
9971   }
9972
9973   return EL_EMPTY;
9974 }
9975
9976 static int getPoolFromOpenDirectionExt(int direction, int help_element)
9977 {
9978   int element = getPoolFromOpenDirection(direction);
9979   int help_direction = getOpenDirectionFromPool(help_element);
9980
9981   if (element == EL_EMPTY)
9982   {
9983     int help_direction_vertical = help_direction & MV_VERTICAL;
9984
9985     element = getPoolFromOpenDirection(direction | help_direction_vertical);
9986   }
9987
9988   if (element == EL_EMPTY)
9989   {
9990     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
9991
9992     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
9993   }
9994
9995   return element;
9996 }
9997
9998 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
9999 {
10000   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
10001
10002   return (element_new != EL_EMPTY ? element_new : element_old);
10003 }
10004
10005 static int getOpenDirectionFromPillar(int element)
10006 {
10007   switch (element)
10008   {
10009     case EL_EMC_WALL_1:                 return (MV_DOWN);
10010     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
10011     case EL_EMC_WALL_3:                 return (MV_UP);
10012   }
10013
10014   return MV_NONE;
10015 }
10016
10017 static int getPillarFromOpenDirection(int direction)
10018 {
10019   switch (direction)
10020   {
10021     case (MV_DOWN):                     return EL_EMC_WALL_1;
10022     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
10023     case (MV_UP):                       return EL_EMC_WALL_3;
10024   }
10025
10026   return EL_EMPTY;
10027 }
10028
10029 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
10030 {
10031   int element_new = getPillarFromOpenDirection(direction);
10032
10033   return (element_new != EL_EMPTY ? element_new : element_old);
10034 }
10035
10036 static int getOpenDirectionFromSteel2(int element)
10037 {
10038   switch (element)
10039   {
10040     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
10041     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
10042     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
10043     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
10044     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
10045     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
10046     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
10047     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
10048   }
10049
10050   return MV_NONE;
10051 }
10052
10053 static int getSteel2FromOpenDirection(int direction)
10054 {
10055   switch (direction)
10056   {
10057     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
10058     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
10059     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
10060     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
10061     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
10062     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
10063     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
10064     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
10065   }
10066
10067   return EL_EMPTY;
10068 }
10069
10070 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
10071 {
10072   int element_new = getSteel2FromOpenDirection(direction);
10073
10074   return (element_new != EL_EMPTY ? element_new : element_old);
10075 }
10076
10077 static int getOpenDirectionFromChip(int element)
10078 {
10079   switch (element)
10080   {
10081     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
10082     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
10083     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
10084     case EL_SP_CHIP_TOP:                return (MV_DOWN);
10085     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
10086   }
10087
10088   return MV_NONE;
10089 }
10090
10091 static int getChipFromOpenDirection(int direction)
10092 {
10093   switch (direction)
10094   {
10095     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
10096     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
10097     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
10098     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
10099     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
10100   }
10101
10102   return EL_EMPTY;
10103 }
10104
10105 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
10106 {
10107   int element_new = getChipFromOpenDirection(direction);
10108
10109   return (element_new != EL_EMPTY ? element_new : element_old);
10110 }
10111
10112 static int getClosedTube(int x, int y)
10113 {
10114   static int xy[4][2] =
10115   {
10116     { -1, 0 },
10117     { +1, 0 },
10118     { 0, -1 },
10119     { 0, +1 }
10120   };
10121   int element_old = IntelliDrawBuffer[x][y];
10122   int direction_old = getOpenDirectionFromTube(element_old);
10123   int direction_new = MV_NONE;
10124   int i;
10125
10126   for (i = 0; i < NUM_DIRECTIONS; i++)
10127   {
10128     int xx = x + xy[i][0];
10129     int yy = y + xy[i][1];
10130     int dir = MV_DIR_FROM_BIT(i);
10131     int dir_opposite = MV_DIR_OPPOSITE(dir);
10132
10133     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
10134         (direction_old & dir) &&
10135         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10136       direction_new |= dir;
10137   }
10138
10139   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
10140 }
10141
10142 static int getClosedBelt(int x, int y)
10143 {
10144   static int xy[4][2] =
10145   {
10146     { -1, 0 },
10147     { +1, 0 },
10148     { 0, -1 },
10149     { 0, +1 }
10150   };
10151   int element_old = IntelliDrawBuffer[x][y];
10152   int nr = getBeltNrFromBeltElement(element_old);
10153   int direction_old = getOpenDirectionFromBelt(element_old);
10154   int direction_new = MV_NONE;
10155   int i;
10156
10157   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
10158   {
10159     int xx = x + xy[i][0];
10160     int yy = y + xy[i][1];
10161     int dir = MV_DIR_FROM_BIT(i);
10162     int dir_opposite = MV_DIR_OPPOSITE(dir);
10163
10164     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
10165         (direction_old & dir) &&
10166         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10167       direction_new |= dir;
10168   }
10169
10170   return getBeltFromNrAndOpenDirection(nr, direction_new);
10171 }
10172
10173 static int getClosedPool(int x, int y)
10174 {
10175   static int xy[4][2] =
10176   {
10177     { -1, 0 },
10178     { +1, 0 },
10179     { 0, -1 },
10180     { 0, +1 }
10181   };
10182   int element_old = IntelliDrawBuffer[x][y];
10183   int direction_old = getOpenDirectionFromPool(element_old);
10184   int direction_new = MV_NONE;
10185   int i;
10186
10187   for (i = 0; i < NUM_DIRECTIONS; i++)
10188   {
10189     int xx = x + xy[i][0];
10190     int yy = y + xy[i][1];
10191     int dir = MV_DIR_FROM_BIT(i);
10192     int dir_opposite = MV_DIR_OPPOSITE(dir);
10193
10194     if (IN_LEV_FIELD(xx, yy) &&
10195         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
10196         (direction_old & dir) &&
10197         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10198       direction_new |= dir;
10199   }
10200
10201   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
10202 }
10203
10204 static int getClosedPillar(int x, int y)
10205 {
10206   static int xy[4][2] =
10207   {
10208     { -1, 0 },
10209     { +1, 0 },
10210     { 0, -1 },
10211     { 0, +1 }
10212   };
10213   int element_old = IntelliDrawBuffer[x][y];
10214   int direction_old = getOpenDirectionFromPillar(element_old);
10215   int direction_new = MV_NONE;
10216   int i;
10217
10218   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
10219   {
10220     int xx = x + xy[i][0];
10221     int yy = y + xy[i][1];
10222     int dir = MV_DIR_FROM_BIT(i);
10223     int dir_opposite = MV_DIR_OPPOSITE(dir);
10224
10225     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
10226         (direction_old & dir) &&
10227         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10228       direction_new |= dir;
10229   }
10230
10231   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
10232 }
10233
10234 static int getClosedSteel2(int x, int y)
10235 {
10236   static int xy[4][2] =
10237   {
10238     { -1, 0 },
10239     { +1, 0 },
10240     { 0, -1 },
10241     { 0, +1 }
10242   };
10243   int element_old = IntelliDrawBuffer[x][y];
10244   int direction_old = getOpenDirectionFromSteel2(element_old);
10245   int direction_new = MV_NONE;
10246   int i;
10247
10248   for (i = 0; i < NUM_DIRECTIONS; i++)
10249   {
10250     int xx = x + xy[i][0];
10251     int yy = y + xy[i][1];
10252     int dir = MV_DIR_FROM_BIT(i);
10253     int dir_opposite = MV_DIR_OPPOSITE(dir);
10254
10255     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
10256         (direction_old & dir) &&
10257         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10258       direction_new |= dir;
10259   }
10260
10261   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
10262 }
10263
10264 static int getClosedChip(int x, int y)
10265 {
10266   static int xy[4][2] =
10267   {
10268     { -1, 0 },
10269     { +1, 0 },
10270     { 0, -1 },
10271     { 0, +1 }
10272   };
10273   int element_old = IntelliDrawBuffer[x][y];
10274   int direction_old = getOpenDirectionFromChip(element_old);
10275   int direction_new = MV_NONE;
10276   int i;
10277
10278   for (i = 0; i < NUM_DIRECTIONS; i++)
10279   {
10280     int xx = x + xy[i][0];
10281     int yy = y + xy[i][1];
10282     int dir = MV_DIR_FROM_BIT(i);
10283     int dir_opposite = MV_DIR_OPPOSITE(dir);
10284
10285     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
10286         (direction_old & dir) &&
10287         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10288       direction_new |= dir;
10289   }
10290
10291   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
10292 }
10293
10294 static void SetElementSimpleExt(int x, int y, int dx, int dy, int element,
10295                                 boolean change_level)
10296 {
10297   int sx = x - level_xpos;
10298   int sy = y - level_ypos;
10299   int old_element = Feld[x][y];
10300   unsigned int new_bitmask = (getDrawModeHiRes() ? (dx + 1) << (dy * 2) : 0x0f);
10301   boolean draw_masked = FALSE;
10302
10303   if (IS_MM_WALL_EDITOR(element))
10304   {
10305     element = map_mm_wall_element_editor(element) | new_bitmask;
10306
10307     if (IS_MM_WALL(old_element))
10308       element |= MM_WALL_BITS(old_element);
10309
10310     if (!change_level)
10311       draw_masked = TRUE;
10312   }
10313   else if (IS_MM_WALL(old_element) && element == EL_EMPTY)
10314   {
10315     int element_changed = old_element & ~new_bitmask;
10316
10317     if (MM_WALL_BITS(element_changed) != 0)
10318       element = element_changed;
10319   }
10320
10321   IntelliDrawBuffer[x][y] = element;
10322
10323   if (change_level)
10324     Feld[x][y] = element;
10325
10326   if (IN_ED_FIELD(sx, sy))
10327   {
10328     if (draw_masked)
10329       DrawEditorElementThruMask(sx, sy, element);
10330     else
10331       DrawEditorElement(sx, sy, element);
10332   }
10333 }
10334
10335 static void SetElementSimple(int x, int y, int element, boolean change_level)
10336 {
10337   SetElementSimpleExt(x, y, 0, 0, element, change_level);
10338 }
10339
10340 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
10341                                            int x2, int y2, int *element2,
10342                                            int (*close_function)(int, int),
10343                                            boolean change_level)
10344 {
10345   /* set neighbour elements to newly determined connections */
10346   SetElementSimple(x1, y1, *element1, change_level);
10347   SetElementSimple(x2, y2, *element2, change_level);
10348
10349   /* remove all open connections of neighbour elements */
10350   *element1 = close_function(x1, y1);
10351   *element2 = close_function(x2, y2);
10352
10353   /* set neighbour elements to new, minimized connections */
10354   SetElementSimple(x1, y1, *element1, change_level);
10355   SetElementSimple(x2, y2, *element2, change_level);
10356 }
10357
10358 static void SetElementIntelliDraw(int x, int y, int new_element,
10359                                   boolean change_level, int button)
10360 {
10361   static int xy[4][2] =
10362   {
10363     { -1, 0 },
10364     { +1, 0 },
10365     { 0, -1 },
10366     { 0, +1 }
10367   };
10368   static int last_x = -1;
10369   static int last_y = -1;
10370   int old_element = IntelliDrawBuffer[x][y];
10371
10372   if (new_element == EL_UNDEFINED)
10373   {
10374     last_x = -1;
10375     last_y = -1;
10376
10377     return;
10378   }
10379
10380   if (IS_TUBE(new_element))
10381   {
10382     int last_element_new = EL_UNDEFINED;
10383     int direction = MV_NONE;
10384     int i;
10385
10386     /* if old element is of same kind, keep all existing directions */
10387     if (IS_TUBE(old_element))
10388       direction |= getOpenDirectionFromTube(old_element);
10389
10390     for (i = 0; i < NUM_DIRECTIONS; i++)
10391     {
10392       int xx = x + xy[i][0];
10393       int yy = y + xy[i][1];
10394
10395       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10396           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
10397       {
10398         int dir = MV_DIR_FROM_BIT(i);
10399         int dir_opposite = MV_DIR_OPPOSITE(dir);
10400         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10401         int last_direction_old = getOpenDirectionFromTube(last_element_old);
10402         int last_direction_new = last_direction_old | dir_opposite;
10403
10404         last_element_new = getTubeFromOpenDirection(last_direction_new);
10405
10406         direction |= dir;
10407       }
10408     }
10409
10410     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
10411
10412     if (last_element_new != EL_UNDEFINED)
10413       MergeAndCloseNeighbourElements(x, y, &new_element,
10414                                      last_x, last_y, &last_element_new,
10415                                      getClosedTube, change_level);
10416   }
10417   else if (IS_BELT(new_element))
10418   {
10419     int belt_nr = getBeltNrFromBeltElement(new_element);
10420     int last_element_new = EL_UNDEFINED;
10421     int direction = MV_NONE;
10422     int i;
10423
10424     /* if old element is of same kind, keep all existing directions */
10425     if (IS_BELT(old_element))
10426       direction |= getOpenDirectionFromBelt(old_element);
10427
10428     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
10429     {
10430       int xx = x + xy[i][0];
10431       int yy = y + xy[i][1];
10432
10433       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10434           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
10435       {
10436         int dir = MV_DIR_FROM_BIT(i);
10437         int dir_opposite = MV_DIR_OPPOSITE(dir);
10438         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10439         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
10440         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
10441         int last_direction_new = last_direction_old | dir_opposite;
10442
10443         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
10444                                                          last_direction_new);
10445         direction |= dir;
10446       }
10447     }
10448
10449     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
10450                                                         new_element);
10451     if (last_element_new != EL_UNDEFINED)
10452       MergeAndCloseNeighbourElements(x, y, &new_element,
10453                                      last_x, last_y, &last_element_new,
10454                                      getClosedBelt, change_level);
10455   }
10456   else if (IS_ACID_POOL_OR_ACID(new_element))
10457   {
10458     int last_element_new = EL_UNDEFINED;
10459     int direction = MV_NONE;
10460     int i;
10461
10462     /* if old element is of same kind, keep all existing directions */
10463     if (IS_ACID_POOL_OR_ACID(old_element))
10464       direction |= getOpenDirectionFromPool(old_element);
10465
10466     for (i = 0; i < NUM_DIRECTIONS; i++)
10467     {
10468       int xx = x + xy[i][0];
10469       int yy = y + xy[i][1];
10470
10471       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10472           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
10473       {
10474         int dir = MV_DIR_FROM_BIT(i);
10475         int dir_opposite = MV_DIR_OPPOSITE(dir);
10476         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10477         int last_direction_old = getOpenDirectionFromPool(last_element_old);
10478         int last_direction_new = last_direction_old | dir_opposite;
10479
10480         last_element_new = getPoolFromOpenDirection(last_direction_new);
10481
10482         direction |= dir;
10483       }
10484     }
10485
10486     /* special corrections needed for intuitively correct acid pool drawing */
10487     if (last_element_new == EL_EMPTY)
10488       last_element_new = new_element;
10489     else if (last_element_new != EL_UNDEFINED)
10490       new_element = last_element_new;
10491
10492     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
10493
10494     if (last_element_new != EL_UNDEFINED)
10495       MergeAndCloseNeighbourElements(x, y, &new_element,
10496                                      last_x, last_y, &last_element_new,
10497                                      getClosedPool, change_level);
10498   }
10499   else if (IS_EMC_PILLAR(new_element))
10500   {
10501     int last_element_new = EL_UNDEFINED;
10502     int direction = MV_NONE;
10503     int i;
10504
10505     /* if old element is of same kind, keep all existing directions */
10506     if (IS_EMC_PILLAR(old_element))
10507       direction |= getOpenDirectionFromPillar(old_element);
10508
10509     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
10510     {
10511       int xx = x + xy[i][0];
10512       int yy = y + xy[i][1];
10513
10514       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10515           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
10516       {
10517         int dir = MV_DIR_FROM_BIT(i);
10518         int dir_opposite = MV_DIR_OPPOSITE(dir);
10519         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10520         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
10521         int last_direction_new = last_direction_old | dir_opposite;
10522
10523         last_element_new = getPillarFromOpenDirection(last_direction_new);
10524
10525         direction |= dir;
10526       }
10527     }
10528
10529     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
10530
10531     if (last_element_new != EL_UNDEFINED)
10532       MergeAndCloseNeighbourElements(x, y, &new_element,
10533                                      last_x, last_y, &last_element_new,
10534                                      getClosedPillar, change_level);
10535   }
10536   else if (IS_DC_STEELWALL_2(new_element))
10537   {
10538     int last_element_new = EL_UNDEFINED;
10539     int direction = MV_NONE;
10540     int i;
10541
10542     /* if old element is of same kind, keep all existing directions */
10543     if (IS_DC_STEELWALL_2(old_element))
10544       direction |= getOpenDirectionFromSteel2(old_element);
10545
10546     for (i = 0; i < NUM_DIRECTIONS; i++)
10547     {
10548       int xx = x + xy[i][0];
10549       int yy = y + xy[i][1];
10550
10551       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10552           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
10553       {
10554         int dir = MV_DIR_FROM_BIT(i);
10555         int dir_opposite = MV_DIR_OPPOSITE(dir);
10556         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10557         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
10558         int last_direction_new = last_direction_old | dir_opposite;
10559
10560         last_element_new = getSteel2FromOpenDirection(last_direction_new);
10561
10562         direction |= dir;
10563       }
10564     }
10565
10566     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
10567
10568     if (last_element_new != EL_UNDEFINED)
10569       MergeAndCloseNeighbourElements(x, y, &new_element,
10570                                      last_x, last_y, &last_element_new,
10571                                      getClosedSteel2, change_level);
10572   }
10573   else if (IS_SP_CHIP(new_element))
10574   {
10575     int last_element_new = EL_UNDEFINED;
10576     int direction = MV_NONE;
10577     int i;
10578
10579     /* (do not keep existing directions, regardless of kind of old element) */
10580
10581     for (i = 0; i < NUM_DIRECTIONS; i++)
10582     {
10583       int xx = x + xy[i][0];
10584       int yy = y + xy[i][1];
10585
10586       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10587           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
10588       {
10589         int dir = MV_DIR_FROM_BIT(i);
10590         int dir_opposite = MV_DIR_OPPOSITE(dir);
10591         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10592         int last_direction_old = getOpenDirectionFromChip(last_element_old);
10593         int last_direction_new = last_direction_old | dir_opposite;
10594
10595         if (last_direction_old == MV_NONE)
10596         {
10597           last_element_new = getChipFromOpenDirection(last_direction_new);
10598           direction |= dir;
10599         }
10600         else if (last_direction_old & (dir | dir_opposite))
10601         {
10602           direction |= MV_DIR_OPPOSITE(last_direction_old);
10603         }
10604         else
10605         {
10606           direction |= MV_DIR_OPPOSITE(dir);
10607         }
10608       }
10609     }
10610
10611     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
10612
10613     if (last_element_new != EL_UNDEFINED)
10614       MergeAndCloseNeighbourElements(x, y, &new_element,
10615                                      last_x, last_y, &last_element_new,
10616                                      getClosedChip, change_level);
10617   }
10618   else if (IS_SP_HARDWARE_BASE(new_element))
10619   {
10620     int nr = GetSimpleRandom(6);
10621
10622     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
10623                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
10624                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
10625                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
10626                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
10627   }
10628   else if (new_element == EL_SP_HARDWARE_GREEN ||
10629            new_element == EL_SP_HARDWARE_BLUE ||
10630            new_element == EL_SP_HARDWARE_RED)
10631   {
10632     int nr = GetSimpleRandom(3);
10633
10634     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
10635                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
10636   }
10637   else if (IS_GROUP_ELEMENT(new_element))
10638   {
10639     boolean connected_drawing = FALSE;
10640     int i;
10641
10642     for (i = 0; i < NUM_DIRECTIONS; i++)
10643     {
10644       int xx = x + xy[i][0];
10645       int yy = y + xy[i][1];
10646
10647       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10648           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
10649         connected_drawing = TRUE;
10650     }
10651
10652     if (!connected_drawing)
10653       ResolveGroupElement(new_element);
10654
10655     new_element = GetElementFromGroupElement(new_element);
10656   }
10657   else if (IS_BELT_SWITCH(old_element))
10658   {
10659     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
10660     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
10661
10662     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
10663                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
10664
10665     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
10666   }
10667   else
10668   {
10669     static int swappable_elements[][2] =
10670     {
10671       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
10672       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
10673       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
10674       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
10675       { EL_EMERALD,                     EL_WALL_EMERALD                 },
10676       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
10677       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
10678       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
10679       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
10680       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
10681       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
10682       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
10683       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
10684       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
10685       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
10686       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
10687       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
10688       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
10689       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
10690       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
10691       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
10692       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
10693       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
10694       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
10695       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
10696       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
10697       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
10698       { EL_PEARL,                       EL_WALL_PEARL                   },
10699       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
10700       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
10701       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
10702       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
10703       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
10704       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
10705       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
10706       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
10707       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
10708       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
10709       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
10710       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
10711       { EL_MM_EXIT_CLOSED,              EL_MM_EXIT_OPEN                 },
10712       { EL_MM_FUSE,                     EL_MM_FUSE_ACTIVE               },
10713       { EL_MM_LIGHTBULB,                EL_MM_LIGHTBULB_ACTIVE          },
10714       { EL_MM_FUEL_EMPTY,               EL_MM_FUEL_FULL                 },
10715
10716       { -1,                             -1                              },
10717     };
10718     static int rotatable_elements_4[][4] =
10719     {
10720       {
10721         EL_BUG_UP,
10722         EL_BUG_RIGHT,
10723         EL_BUG_DOWN,
10724         EL_BUG_LEFT
10725       },
10726       {
10727         EL_SPACESHIP_UP,
10728         EL_SPACESHIP_RIGHT,
10729         EL_SPACESHIP_DOWN,
10730         EL_SPACESHIP_LEFT
10731       },
10732       {
10733         EL_BD_BUTTERFLY_UP,
10734         EL_BD_BUTTERFLY_RIGHT,
10735         EL_BD_BUTTERFLY_DOWN,
10736         EL_BD_BUTTERFLY_LEFT
10737       },
10738       {
10739         EL_BD_FIREFLY_UP,
10740         EL_BD_FIREFLY_RIGHT,
10741         EL_BD_FIREFLY_DOWN,
10742         EL_BD_FIREFLY_LEFT
10743       },
10744       {
10745         EL_PACMAN_UP,
10746         EL_PACMAN_RIGHT,
10747         EL_PACMAN_DOWN,
10748         EL_PACMAN_LEFT
10749       },
10750       {
10751         EL_YAMYAM_UP,
10752         EL_YAMYAM_RIGHT,
10753         EL_YAMYAM_DOWN,
10754         EL_YAMYAM_LEFT
10755       },
10756       {
10757         EL_ARROW_UP,
10758         EL_ARROW_RIGHT,
10759         EL_ARROW_DOWN,
10760         EL_ARROW_LEFT
10761       },
10762       {
10763         EL_SP_PORT_UP,
10764         EL_SP_PORT_RIGHT,
10765         EL_SP_PORT_DOWN,
10766         EL_SP_PORT_LEFT
10767       },
10768       {
10769         EL_SP_GRAVITY_PORT_UP,
10770         EL_SP_GRAVITY_PORT_RIGHT,
10771         EL_SP_GRAVITY_PORT_DOWN,
10772         EL_SP_GRAVITY_PORT_LEFT
10773       },
10774       {
10775         EL_SP_GRAVITY_ON_PORT_UP,
10776         EL_SP_GRAVITY_ON_PORT_RIGHT,
10777         EL_SP_GRAVITY_ON_PORT_DOWN,
10778         EL_SP_GRAVITY_ON_PORT_LEFT
10779       },
10780       {
10781         EL_SP_GRAVITY_OFF_PORT_UP,
10782         EL_SP_GRAVITY_OFF_PORT_RIGHT,
10783         EL_SP_GRAVITY_OFF_PORT_DOWN,
10784         EL_SP_GRAVITY_OFF_PORT_LEFT
10785       },
10786       {
10787         EL_MOLE_UP,
10788         EL_MOLE_RIGHT,
10789         EL_MOLE_DOWN,
10790         EL_MOLE_LEFT
10791       },
10792       {
10793         EL_BALLOON_SWITCH_UP,
10794         EL_BALLOON_SWITCH_RIGHT,
10795         EL_BALLOON_SWITCH_DOWN,
10796         EL_BALLOON_SWITCH_LEFT
10797       },
10798       {
10799         EL_MM_MCDUFFIN_UP,
10800         EL_MM_MCDUFFIN_RIGHT,
10801         EL_MM_MCDUFFIN_DOWN,
10802         EL_MM_MCDUFFIN_LEFT
10803       },
10804       {
10805         EL_MM_MIRROR_FIXED_1,
10806         EL_MM_MIRROR_FIXED_4,
10807         EL_MM_MIRROR_FIXED_3,
10808         EL_MM_MIRROR_FIXED_2
10809       },
10810       {
10811         EL_MM_STEEL_GRID_FIXED_1,
10812         EL_MM_STEEL_GRID_FIXED_4,
10813         EL_MM_STEEL_GRID_FIXED_2,
10814         EL_MM_STEEL_GRID_FIXED_3
10815       },
10816       {
10817         EL_MM_WOODEN_GRID_FIXED_1,
10818         EL_MM_WOODEN_GRID_FIXED_4,
10819         EL_MM_WOODEN_GRID_FIXED_2,
10820         EL_MM_WOODEN_GRID_FIXED_3
10821       },
10822       {
10823         EL_MM_POLARISATOR_CROSS_1,
10824         EL_MM_POLARISATOR_CROSS_4,
10825         EL_MM_POLARISATOR_CROSS_3,
10826         EL_MM_POLARISATOR_CROSS_2
10827       },
10828       {
10829         EL_MM_PACMAN_UP,
10830         EL_MM_PACMAN_RIGHT,
10831         EL_MM_PACMAN_DOWN,
10832         EL_MM_PACMAN_LEFT
10833       },
10834       {
10835         EL_DF_LASER_UP,
10836         EL_DF_LASER_RIGHT,
10837         EL_DF_LASER_DOWN,
10838         EL_DF_LASER_LEFT
10839       },
10840       {
10841         EL_DF_RECEIVER_UP,
10842         EL_DF_RECEIVER_RIGHT,
10843         EL_DF_RECEIVER_DOWN,
10844         EL_DF_RECEIVER_LEFT
10845       },
10846
10847       {
10848         -1,
10849       },
10850     };
10851     static int rotatable_elements_8[][8] =
10852     {
10853       {
10854         EL_DF_STEEL_GRID_FIXED_1,
10855         EL_DF_STEEL_GRID_FIXED_8,
10856         EL_DF_STEEL_GRID_FIXED_7,
10857         EL_DF_STEEL_GRID_FIXED_6,
10858         EL_DF_STEEL_GRID_FIXED_5,
10859         EL_DF_STEEL_GRID_FIXED_4,
10860         EL_DF_STEEL_GRID_FIXED_3,
10861         EL_DF_STEEL_GRID_FIXED_2
10862       },
10863       {
10864         EL_DF_WOODEN_GRID_FIXED_1,
10865         EL_DF_WOODEN_GRID_FIXED_8,
10866         EL_DF_WOODEN_GRID_FIXED_7,
10867         EL_DF_WOODEN_GRID_FIXED_6,
10868         EL_DF_WOODEN_GRID_FIXED_5,
10869         EL_DF_WOODEN_GRID_FIXED_4,
10870         EL_DF_WOODEN_GRID_FIXED_3,
10871         EL_DF_WOODEN_GRID_FIXED_2
10872       },
10873       {
10874         EL_DF_STEEL_GRID_ROTATING_1,
10875         EL_DF_STEEL_GRID_ROTATING_8,
10876         EL_DF_STEEL_GRID_ROTATING_7,
10877         EL_DF_STEEL_GRID_ROTATING_6,
10878         EL_DF_STEEL_GRID_ROTATING_5,
10879         EL_DF_STEEL_GRID_ROTATING_4,
10880         EL_DF_STEEL_GRID_ROTATING_3,
10881         EL_DF_STEEL_GRID_ROTATING_2
10882       },
10883       {
10884         EL_DF_WOODEN_GRID_ROTATING_1,
10885         EL_DF_WOODEN_GRID_ROTATING_8,
10886         EL_DF_WOODEN_GRID_ROTATING_7,
10887         EL_DF_WOODEN_GRID_ROTATING_6,
10888         EL_DF_WOODEN_GRID_ROTATING_5,
10889         EL_DF_WOODEN_GRID_ROTATING_4,
10890         EL_DF_WOODEN_GRID_ROTATING_3,
10891         EL_DF_WOODEN_GRID_ROTATING_2
10892       },
10893
10894       {
10895         -1,
10896       },
10897     };
10898     static int rotatable_elements_16[][16] =
10899     {
10900       {
10901         EL_MM_MIRROR_1,
10902         EL_MM_MIRROR_16,
10903         EL_MM_MIRROR_15,
10904         EL_MM_MIRROR_14,
10905         EL_MM_MIRROR_13,
10906         EL_MM_MIRROR_12,
10907         EL_MM_MIRROR_11,
10908         EL_MM_MIRROR_10,
10909         EL_MM_MIRROR_9,
10910         EL_MM_MIRROR_8,
10911         EL_MM_MIRROR_7,
10912         EL_MM_MIRROR_6,
10913         EL_MM_MIRROR_5,
10914         EL_MM_MIRROR_4,
10915         EL_MM_MIRROR_3,
10916         EL_MM_MIRROR_2
10917       },
10918       {
10919         EL_MM_BEAMER_5,
10920         EL_MM_BEAMER_4,
10921         EL_MM_BEAMER_3,
10922         EL_MM_BEAMER_2,
10923         EL_MM_BEAMER_1,
10924         EL_MM_BEAMER_16,
10925         EL_MM_BEAMER_15,
10926         EL_MM_BEAMER_14,
10927         EL_MM_BEAMER_13,
10928         EL_MM_BEAMER_12,
10929         EL_MM_BEAMER_11,
10930         EL_MM_BEAMER_10,
10931         EL_MM_BEAMER_9,
10932         EL_MM_BEAMER_8,
10933         EL_MM_BEAMER_7,
10934         EL_MM_BEAMER_6
10935       },
10936       {
10937         EL_MM_BEAMER_RED_5,
10938         EL_MM_BEAMER_RED_4,
10939         EL_MM_BEAMER_RED_3,
10940         EL_MM_BEAMER_RED_2,
10941         EL_MM_BEAMER_RED_1,
10942         EL_MM_BEAMER_RED_16,
10943         EL_MM_BEAMER_RED_15,
10944         EL_MM_BEAMER_RED_14,
10945         EL_MM_BEAMER_RED_13,
10946         EL_MM_BEAMER_RED_12,
10947         EL_MM_BEAMER_RED_11,
10948         EL_MM_BEAMER_RED_10,
10949         EL_MM_BEAMER_RED_9,
10950         EL_MM_BEAMER_RED_8,
10951         EL_MM_BEAMER_RED_7,
10952         EL_MM_BEAMER_RED_6
10953       },
10954       {
10955         EL_MM_BEAMER_YELLOW_5,
10956         EL_MM_BEAMER_YELLOW_4,
10957         EL_MM_BEAMER_YELLOW_3,
10958         EL_MM_BEAMER_YELLOW_2,
10959         EL_MM_BEAMER_YELLOW_1,
10960         EL_MM_BEAMER_YELLOW_16,
10961         EL_MM_BEAMER_YELLOW_15,
10962         EL_MM_BEAMER_YELLOW_14,
10963         EL_MM_BEAMER_YELLOW_13,
10964         EL_MM_BEAMER_YELLOW_12,
10965         EL_MM_BEAMER_YELLOW_11,
10966         EL_MM_BEAMER_YELLOW_10,
10967         EL_MM_BEAMER_YELLOW_9,
10968         EL_MM_BEAMER_YELLOW_8,
10969         EL_MM_BEAMER_YELLOW_7,
10970         EL_MM_BEAMER_YELLOW_6
10971       },
10972       {
10973         EL_MM_BEAMER_GREEN_5,
10974         EL_MM_BEAMER_GREEN_4,
10975         EL_MM_BEAMER_GREEN_3,
10976         EL_MM_BEAMER_GREEN_2,
10977         EL_MM_BEAMER_GREEN_1,
10978         EL_MM_BEAMER_GREEN_16,
10979         EL_MM_BEAMER_GREEN_15,
10980         EL_MM_BEAMER_GREEN_14,
10981         EL_MM_BEAMER_GREEN_13,
10982         EL_MM_BEAMER_GREEN_12,
10983         EL_MM_BEAMER_GREEN_11,
10984         EL_MM_BEAMER_GREEN_10,
10985         EL_MM_BEAMER_GREEN_9,
10986         EL_MM_BEAMER_GREEN_8,
10987         EL_MM_BEAMER_GREEN_7,
10988         EL_MM_BEAMER_GREEN_6
10989       },
10990       {
10991         EL_MM_BEAMER_BLUE_5,
10992         EL_MM_BEAMER_BLUE_4,
10993         EL_MM_BEAMER_BLUE_3,
10994         EL_MM_BEAMER_BLUE_2,
10995         EL_MM_BEAMER_BLUE_1,
10996         EL_MM_BEAMER_BLUE_16,
10997         EL_MM_BEAMER_BLUE_15,
10998         EL_MM_BEAMER_BLUE_14,
10999         EL_MM_BEAMER_BLUE_13,
11000         EL_MM_BEAMER_BLUE_12,
11001         EL_MM_BEAMER_BLUE_11,
11002         EL_MM_BEAMER_BLUE_10,
11003         EL_MM_BEAMER_BLUE_9,
11004         EL_MM_BEAMER_BLUE_8,
11005         EL_MM_BEAMER_BLUE_7,
11006         EL_MM_BEAMER_BLUE_6
11007       },
11008       {
11009         EL_MM_POLARISATOR_1,
11010         EL_MM_POLARISATOR_16,
11011         EL_MM_POLARISATOR_15,
11012         EL_MM_POLARISATOR_14,
11013         EL_MM_POLARISATOR_13,
11014         EL_MM_POLARISATOR_12,
11015         EL_MM_POLARISATOR_11,
11016         EL_MM_POLARISATOR_10,
11017         EL_MM_POLARISATOR_9,
11018         EL_MM_POLARISATOR_8,
11019         EL_MM_POLARISATOR_7,
11020         EL_MM_POLARISATOR_6,
11021         EL_MM_POLARISATOR_5,
11022         EL_MM_POLARISATOR_4,
11023         EL_MM_POLARISATOR_3,
11024         EL_MM_POLARISATOR_2
11025       },
11026       {
11027         EL_DF_MIRROR_1,
11028         EL_DF_MIRROR_16,
11029         EL_DF_MIRROR_15,
11030         EL_DF_MIRROR_14,
11031         EL_DF_MIRROR_13,
11032         EL_DF_MIRROR_12,
11033         EL_DF_MIRROR_11,
11034         EL_DF_MIRROR_10,
11035         EL_DF_MIRROR_9,
11036         EL_DF_MIRROR_8,
11037         EL_DF_MIRROR_7,
11038         EL_DF_MIRROR_6,
11039         EL_DF_MIRROR_5,
11040         EL_DF_MIRROR_4,
11041         EL_DF_MIRROR_3,
11042         EL_DF_MIRROR_2
11043       },
11044       {
11045         EL_DF_MIRROR_ROTATING_1,
11046         EL_DF_MIRROR_ROTATING_16,
11047         EL_DF_MIRROR_ROTATING_15,
11048         EL_DF_MIRROR_ROTATING_14,
11049         EL_DF_MIRROR_ROTATING_13,
11050         EL_DF_MIRROR_ROTATING_12,
11051         EL_DF_MIRROR_ROTATING_11,
11052         EL_DF_MIRROR_ROTATING_10,
11053         EL_DF_MIRROR_ROTATING_9,
11054         EL_DF_MIRROR_ROTATING_8,
11055         EL_DF_MIRROR_ROTATING_7,
11056         EL_DF_MIRROR_ROTATING_6,
11057         EL_DF_MIRROR_ROTATING_5,
11058         EL_DF_MIRROR_ROTATING_4,
11059         EL_DF_MIRROR_ROTATING_3,
11060         EL_DF_MIRROR_ROTATING_2
11061       },
11062
11063       {
11064         -1,
11065       },
11066     };
11067     int i, j;
11068
11069     for (i = 0; swappable_elements[i][0] != -1; i++)
11070     {
11071       int element1 = swappable_elements[i][0];
11072       int element2 = swappable_elements[i][1];
11073
11074       if (old_element == element1 || old_element == element2)
11075         new_element = (old_element == element1 ? element2 : element1);
11076     }
11077
11078     for (i = 0; rotatable_elements_4[i][0] != -1; i++)
11079     {
11080       for (j = 0; j < 4; j++)
11081       {
11082         int element = rotatable_elements_4[i][j];
11083
11084         if (old_element == element)
11085           new_element = (button == 1 ? rotatable_elements_4[i][(j + 3) % 4] :
11086                          button == 2 ? rotatable_elements_4[i][0]           :
11087                          button == 3 ? rotatable_elements_4[i][(j + 1) % 4] :
11088                          old_element);
11089       }
11090     }
11091
11092     for (i = 0; rotatable_elements_8[i][0] != -1; i++)
11093     {
11094       for (j = 0; j < 8; j++)
11095       {
11096         int element = rotatable_elements_8[i][j];
11097
11098         if (old_element == element)
11099           new_element = (button == 1 ? rotatable_elements_8[i][(j + 7) % 8] :
11100                          button == 2 ? rotatable_elements_8[i][0]           :
11101                          button == 3 ? rotatable_elements_8[i][(j + 1) % 8] :
11102                          old_element);
11103       }
11104     }
11105
11106     for (i = 0; rotatable_elements_16[i][0] != -1; i++)
11107     {
11108       for (j = 0; j < 16; j++)
11109       {
11110         int element = rotatable_elements_16[i][j];
11111
11112         if (old_element == element)
11113           new_element = (button == 1 ? rotatable_elements_16[i][(j + 15) % 16] :
11114                          button == 2 ? rotatable_elements_16[i][0]             :
11115                          button == 3 ? rotatable_elements_16[i][(j + 1)  % 16] :
11116                          old_element);
11117       }
11118     }
11119
11120     if (old_element != new_element)
11121     {
11122       int max_infotext_len = getMaxInfoTextLength();
11123       char infotext[MAX_OUTPUT_LINESIZE + 1];
11124
11125       strncpy(infotext, getElementInfoText(new_element), max_infotext_len);
11126       infotext[max_infotext_len] = '\0';
11127
11128       ClearEditorGadgetInfoText();
11129
11130       DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT,
11131                 infotext);
11132     }
11133   }
11134
11135   SetElementSimple(x, y, new_element, change_level);
11136
11137   last_x = x;
11138   last_y = y;
11139 }
11140
11141 static void ResetIntelliDraw()
11142 {
11143   int x, y;
11144
11145   for (x = 0; x < lev_fieldx; x++)
11146     for (y = 0; y < lev_fieldy; y++)
11147       IntelliDrawBuffer[x][y] = Feld[x][y];
11148
11149   SetElementIntelliDraw(-1, -1, EL_UNDEFINED, FALSE, -1);
11150 }
11151
11152 static boolean draw_mode_hires = FALSE;
11153
11154 static void SetDrawModeHiRes(int element)
11155 {
11156   draw_mode_hires =
11157     (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
11158      (IS_MM_WALL_EDITOR(element) || element == EL_EMPTY));
11159 }
11160
11161 static boolean getDrawModeHiRes()
11162 {
11163   return draw_mode_hires;
11164 }
11165
11166 static int getLoResScreenPos(int pos)
11167 {
11168   return (getDrawModeHiRes() ? pos / 2 : pos);
11169 }
11170
11171 static int getLoResScreenMod(int pos)
11172 {
11173   return (getDrawModeHiRes() ? pos % 2 : 0);
11174 }
11175
11176 static void SetElementExt(int x, int y, int dx, int dy, int element,
11177                           boolean change_level, int button)
11178 {
11179   if (element < 0)
11180     SetElementSimple(x, y, Feld[x][y], change_level);
11181   else if (GetKeyModState() & KMOD_Shift && !IS_MM_WALL_EDITOR(element))
11182     SetElementIntelliDraw(x, y, element, change_level, button);
11183   else
11184     SetElementSimpleExt(x, y, dx, dy, element, change_level);
11185 }
11186
11187 static void SetElement(int x, int y, int element)
11188 {
11189   SetElementExt(x, y, 0, 0, element, TRUE, -1);
11190 }
11191
11192 static void SetElementButton(int x, int y, int dx, int dy, int element,
11193                              int button)
11194 {
11195   SetElementExt(x, y, dx, dy, element, TRUE, button);
11196 }
11197
11198 static void SetElementHiRes(int sx2, int sy2, int element, boolean change_level)
11199 {
11200   int lx = getLoResScreenPos(sx2) + level_xpos;
11201   int ly = getLoResScreenPos(sy2) + level_ypos;
11202   int dx = getLoResScreenMod(sx2);
11203   int dy = getLoResScreenMod(sy2);
11204
11205   SetElementExt(lx, ly, dx, dy, element, change_level, -1);
11206 }
11207
11208 static void SetLevelElementHiRes(int lx2, int ly2, int element)
11209 {
11210   int lx = lx2 / 2;
11211   int ly = ly2 / 2;
11212   int dx = lx2 % 2;
11213   int dy = ly2 % 2;
11214
11215   SetElementExt(lx, ly, dx, dy, element, TRUE, -1);
11216 }
11217
11218 static int getLevelElementHiRes(int lx2, int ly2)
11219 {
11220   int lx = lx2 / 2;
11221   int ly = ly2 / 2;
11222   int dx = lx2 % 2;
11223   int dy = ly2 % 2;
11224   int element = Feld[lx][ly];
11225   unsigned int bitmask = (dx + 1) << (dy * 2);
11226
11227   if (IS_MM_WALL(element))
11228   {
11229     if (element & bitmask)
11230       return map_mm_wall_element(element);
11231     else
11232       return EL_EMPTY;
11233   }
11234
11235   return element;
11236 }
11237
11238 static void DrawLineElement(int x, int y, int element, boolean change_level)
11239 {
11240   SetElementHiRes(x, y, element, change_level);
11241 }
11242
11243 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
11244                      int element, boolean change_level)
11245 {
11246   int xsize = ABS(to_x - from_x);
11247   int ysize = ABS(to_y - from_y);
11248   int dx = (to_x < from_x ? -1 : +1);
11249   int dy = (to_y < from_y ? -1 : +1);
11250   int i;
11251
11252   if (from_y == to_y)                   /* horizontal line */
11253   {
11254     for (i = 0; i <= xsize; i++)
11255       DrawLineElement(from_x + i * dx, from_y, element, change_level);
11256   }
11257   else if (from_x == to_x)              /* vertical line */
11258   {
11259     for (i = 0; i <= ysize; i++)
11260       DrawLineElement(from_x, from_y + i * dy, element, change_level);
11261   }
11262   else                                  /* diagonal line */
11263   {
11264     if (ysize < xsize)                  /* a < 1 */
11265     {
11266       float a = (float)ysize / (float)xsize;
11267
11268       for (i = 0; i <= xsize; i++)
11269       {
11270         int x = dx * i;
11271         int y = dy * (int)(a * i + 0.5);
11272
11273         DrawLineElement(from_x + x, from_y + y, element, change_level);
11274       }
11275     }
11276     else                                /* a >= 1 */
11277     {
11278       float a = (float)xsize / (float)ysize;
11279
11280       for (i = 0; i <= ysize; i++)
11281       {
11282         int x = dx * (int)(a * i + 0.5);
11283         int y = dy * i;
11284
11285         DrawLineElement(from_x + x, from_y + y, element, change_level);
11286       }
11287     }
11288   }
11289 }
11290
11291 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
11292                     int element, boolean change_level)
11293 {
11294   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
11295   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
11296   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
11297   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
11298 }
11299
11300 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
11301                           int element, boolean change_level)
11302 {
11303   int y;
11304
11305   if (from_y > to_y)
11306     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
11307
11308   for (y = from_y; y <= to_y; y++)
11309     DrawLine(from_x, y, to_x, y, element, change_level);
11310 }
11311
11312 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
11313                        int element, boolean change_level)
11314 {
11315   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
11316   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
11317   int len_x = ABS(to_x - from_x);
11318   int len_y = ABS(to_y - from_y);
11319   int radius, x, y;
11320
11321   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
11322
11323   /* not optimal (some points get drawn twice) but simple,
11324      and fast enough for the few points we are drawing */
11325
11326   for (x = 0; x <= radius; x++)
11327   {
11328     int sx, sy, sx2, sy2, lx, ly;
11329
11330     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
11331
11332     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
11333     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
11334     sx = getLoResScreenPos(sx2);
11335     sy = getLoResScreenPos(sy2);
11336     lx = sx + level_xpos;
11337     ly = sy + level_ypos;
11338
11339     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
11340       DrawLineElement(sx2, sy2, element, change_level);
11341   }
11342
11343   for (y = 0; y <= radius; y++)
11344   {
11345     int sx, sy, sx2, sy2, lx, ly;
11346
11347     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
11348
11349     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
11350     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
11351     sx = getLoResScreenPos(sx2);
11352     sy = getLoResScreenPos(sy2);
11353     lx = sx + level_xpos;
11354     ly = sy + level_ypos;
11355
11356     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
11357       DrawLineElement(sx2, sy2, element, change_level);
11358   }
11359 }
11360
11361 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
11362                     int element, boolean change_level)
11363 {
11364   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
11365   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
11366
11367   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
11368 }
11369
11370 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
11371
11372 #if DRAW_CIRCLES_BUTTON_AVAILABLE
11373 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
11374                        int element, boolean change_level)
11375 {
11376   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
11377   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
11378   int mirror_to_x2 = from_x - (to_x2 - from_x);
11379   int mirror_to_y2 = from_y - (to_y2 - from_y);
11380
11381   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
11382   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
11383   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
11384   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
11385 }
11386 #endif
11387
11388 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
11389 {
11390   int from_sx, from_sy;
11391   int to_sx, to_sy;
11392
11393   if (from_x > to_x)
11394     swap_numbers(&from_x, &to_x);
11395
11396   if (from_y > to_y)
11397     swap_numbers(&from_y, &to_y);
11398
11399   from_sx = SX + from_x * ed_tilesize;
11400   from_sy = SY + from_y * ed_tilesize;
11401   to_sx = SX + (to_x + 1) * ed_tilesize - 1;
11402   to_sy = SY + (to_y + 1) * ed_tilesize - 1;
11403
11404   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
11405   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
11406   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
11407   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
11408
11409   if (from_x == to_x && from_y == to_y)
11410     MarkTileDirty(from_x/2, from_y/2);
11411   else
11412     redraw_mask |= REDRAW_FIELD;
11413 }
11414
11415 static void DrawAreaBox(int from_x, int from_y, int to_x, int to_y,
11416                         int element, boolean change_level)
11417 {
11418   DrawBox(from_x, from_y, to_x, to_y, element, change_level);
11419 }
11420
11421 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
11422                        int element, boolean change_level)
11423 {
11424   if (element == -1 || change_level)
11425     DrawAreaBox(from_x, from_y, to_x, to_y, -1, FALSE);
11426   else
11427     DrawAreaBorder(from_x, from_y, to_x, to_y);
11428 }
11429
11430 /* values for CopyBrushExt() */
11431 #define CB_AREA_TO_BRUSH        0
11432 #define CB_BRUSH_TO_CURSOR      1
11433 #define CB_BRUSH_TO_LEVEL       2
11434 #define CB_DELETE_OLD_CURSOR    3
11435 #define CB_DUMP_BRUSH           4
11436 #define CB_DUMP_BRUSH_SMALL     5
11437
11438 static void DrawBrushElement(int sx, int sy, int element, boolean change_level)
11439 {
11440   DrawLineElement(sx, sy, element, change_level);
11441 }
11442
11443 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
11444                          int button, int mode)
11445 {
11446   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
11447   static int brush_width, brush_height;
11448   static int last_cursor_x = -1, last_cursor_y = -1;
11449   static boolean delete_old_brush;
11450   int new_element = BUTTON_ELEMENT(button);
11451   int x, y;
11452
11453   if (mode == CB_DUMP_BRUSH ||
11454       mode == CB_DUMP_BRUSH_SMALL)
11455   {
11456     if (!draw_with_brush)
11457     {
11458       Error(ERR_WARN, "no brush selected");
11459
11460       return;
11461     }
11462
11463     for (y = 0; y < brush_height; y++)
11464     {
11465       for (x = 0; x < brush_width; x++)
11466       {
11467         int element = brush_buffer[x][y];
11468         int element_mapped = element;
11469
11470         if (IS_CUSTOM_ELEMENT(element))
11471           element_mapped = EL_CUSTOM_START;
11472         else if (IS_GROUP_ELEMENT(element))
11473           element_mapped = EL_GROUP_START;
11474         else if (element >= NUM_FILE_ELEMENTS)
11475           element_mapped = EL_UNKNOWN;
11476
11477         // dump brush as level sketch text for the R'n'D forum:
11478         // - large tiles: `xxx (0x60 ASCII)
11479         // - small tiles: ¸xxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
11480         printf("%s%03d", (mode == CB_DUMP_BRUSH ? "`" : "¸"), element_mapped);
11481       }
11482
11483       printf("\n");
11484     }
11485
11486     return;
11487   }
11488
11489   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
11490     return;
11491
11492   if (mode == CB_AREA_TO_BRUSH)
11493   {
11494     int from_lx, from_ly;
11495
11496     if (from_x > to_x)
11497       swap_numbers(&from_x, &to_x);
11498
11499     if (from_y > to_y)
11500       swap_numbers(&from_y, &to_y);
11501
11502     brush_width = to_x - from_x + 1;
11503     brush_height = to_y - from_y + 1;
11504
11505     from_lx = from_x + level_xpos;
11506     from_ly = from_y + level_ypos;
11507
11508     for (y = 0; y < brush_height; y++)
11509     {
11510       for (x = 0; x < brush_width; x++)
11511       {
11512         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
11513
11514         if (button != 1)
11515           DrawBrushElement(from_x + x, from_y + y, new_element, TRUE);
11516       }
11517     }
11518
11519     if (button != 1)
11520       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
11521
11522     delete_old_brush = FALSE;
11523   }
11524   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
11525            mode == CB_BRUSH_TO_LEVEL)
11526   {
11527     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
11528     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
11529     int cursor_from_x = cursor_x - brush_width / 2;
11530     int cursor_from_y = cursor_y - brush_height / 2;
11531     int border_from_x = cursor_x, border_from_y = cursor_y;
11532     int border_to_x = cursor_x, border_to_y = cursor_y;
11533
11534     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
11535       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
11536
11537     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
11538         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
11539     {
11540       delete_old_brush = FALSE;
11541       return;
11542     }
11543
11544     for (y = 0; y < brush_height; y++)
11545     {
11546       for (x = 0; x < brush_width; x++)
11547       {
11548         int sx = cursor_from_x + x;
11549         int sy = cursor_from_y + y;
11550         int lx = sx + level_xpos;
11551         int ly = sy + level_ypos;
11552         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
11553         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
11554                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
11555                        brush_buffer[x][y] : new_element);
11556
11557         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
11558         {
11559           if (sx < border_from_x)
11560             border_from_x = sx;
11561           else if (sx > border_to_x)
11562             border_to_x = sx;
11563           if (sy < border_from_y)
11564             border_from_y = sy;
11565           else if (sy > border_to_y)
11566             border_to_y = sy;
11567
11568           DrawBrushElement(sx, sy, element, change_level);
11569         }
11570       }
11571     }
11572
11573     if (mode != CB_DELETE_OLD_CURSOR)
11574       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
11575
11576     last_cursor_x = cursor_x;
11577     last_cursor_y = cursor_y;
11578     delete_old_brush = TRUE;
11579   }
11580 }
11581
11582 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
11583                             int button)
11584 {
11585   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
11586 }
11587
11588 static void CopyBrushToLevel(int x, int y, int button)
11589 {
11590   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
11591 }
11592
11593 static void CopyBrushToCursor(int x, int y)
11594 {
11595   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
11596 }
11597
11598 static void DeleteBrushFromCursor()
11599 {
11600   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
11601 }
11602
11603 void DumpBrush()
11604 {
11605   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
11606 }
11607
11608 void DumpBrush_Small()
11609 {
11610   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
11611 }
11612
11613 static void FloodFill(int from_x, int from_y, int fill_element)
11614 {
11615   FloodFillLevel(from_x, from_y, fill_element, Feld, lev_fieldx, lev_fieldy);
11616 }
11617
11618 static void FloodFillWall_MM(int from_sx2, int from_sy2, int fill_element)
11619 {
11620   int from_x = from_sx2 + 2 * level_xpos;
11621   int from_y = from_sy2 + 2 * level_ypos;
11622   int max_fillx = lev_fieldx * 2;
11623   int max_filly = lev_fieldy * 2;
11624   short FillFeld[max_fillx][max_filly];
11625   int x, y;
11626
11627   for (x = 0; x < max_fillx; x++)
11628     for (y = 0; y < max_filly; y++)
11629       FillFeld[x][y] = getLevelElementHiRes(x, y);
11630
11631   FloodFillLevelExt(from_x, from_y, fill_element, max_fillx, max_filly,
11632                     FillFeld, max_fillx, max_filly);
11633
11634   for (x = 0; x < max_fillx; x++)
11635     for (y = 0; y < max_filly; y++)
11636       if (FillFeld[x][y] == fill_element)
11637         SetLevelElementHiRes(x, y, FillFeld[x][y]);
11638 }
11639
11640 /* values for DrawLevelText() modes */
11641 #define TEXT_INIT               0
11642 #define TEXT_SETCURSOR          1
11643 #define TEXT_WRITECHAR          2
11644 #define TEXT_BACKSPACE          3
11645 #define TEXT_NEWLINE            4
11646 #define TEXT_END                5
11647 #define TEXT_QUERY_TYPING       6
11648
11649 static int DrawLevelText(int sx, int sy, char letter, int mode)
11650 {
11651   static short delete_buffer[MAX_LEV_FIELDX];
11652   static int start_sx;
11653   static int last_sx, last_sy;
11654   static boolean typing = FALSE;
11655   int letter_element = EL_CHAR_ASCII0 + letter;
11656   int lx = 0, ly = 0;
11657
11658   /* map lower case letters to upper case and convert special characters */
11659   if (letter >= 'a' && letter <= 'z')
11660     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
11661   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
11662     letter_element = EL_CHAR_AUMLAUT;
11663   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
11664     letter_element = EL_CHAR_OUMLAUT;
11665   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
11666     letter_element = EL_CHAR_UUMLAUT;
11667   else if (letter == '^')
11668     letter_element = EL_CHAR_COPYRIGHT;
11669   else
11670     letter_element = EL_CHAR_ASCII0 + letter;
11671
11672   if (mode != TEXT_INIT)
11673   {
11674     if (!typing)
11675       return FALSE;
11676
11677     if (mode != TEXT_SETCURSOR)
11678     {
11679       sx = last_sx;
11680       sy = last_sy;
11681     }
11682
11683     lx = last_sx + level_xpos;
11684     ly = last_sy + level_ypos;
11685   }
11686
11687   switch (mode)
11688   {
11689     case TEXT_INIT:
11690       if (typing)
11691         DrawLevelText(0, 0, 0, TEXT_END);
11692
11693       typing = TRUE;
11694       start_sx = sx;
11695       last_sx = sx;
11696       last_sy = sy;
11697       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
11698       break;
11699
11700     case TEXT_SETCURSOR:
11701       DrawEditorElement(last_sx, last_sy, Feld[lx][ly]);
11702       DrawAreaBorder(sx, sy, sx, sy);
11703       last_sx = sx;
11704       last_sy = sy;
11705       break;
11706
11707     case TEXT_WRITECHAR:
11708       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
11709       {
11710         if (new_element1 >= EL_STEEL_CHAR_START &&
11711             new_element1 <= EL_STEEL_CHAR_END)
11712           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
11713
11714         delete_buffer[sx - start_sx] = Feld[lx][ly];
11715         Feld[lx][ly] = letter_element;
11716
11717         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
11718           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
11719         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
11720           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
11721         else
11722           DrawLevelText(0, 0, 0, TEXT_END);
11723
11724         level.changed = TRUE;
11725       }
11726       break;
11727
11728     case TEXT_BACKSPACE:
11729       if (sx > start_sx)
11730       {
11731         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
11732         DrawEditorElement(sx - 1, sy, Feld[lx - 1][ly]);
11733         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
11734       }
11735       break;
11736
11737     case TEXT_NEWLINE:
11738       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
11739         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
11740       else
11741         DrawLevelText(0, 0, 0, TEXT_END);
11742       break;
11743
11744     case TEXT_END:
11745       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
11746       DrawEditorElement(sx, sy, Feld[lx][ly]);
11747       typing = FALSE;
11748       break;
11749
11750     case TEXT_QUERY_TYPING:
11751       break;
11752
11753     default:
11754       break;
11755   }
11756
11757   return typing;
11758 }
11759
11760 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
11761                           int element, boolean change_level)
11762 {
11763   int lx = sx + level_xpos;
11764   int ly = sy + level_ypos;
11765
11766   if (element == -1)
11767     DrawEditorElement(sx, sy, Feld[lx][ly]);
11768   else
11769     DrawAreaBorder(sx, sy, sx, sy);
11770 }
11771
11772 static void CheckLevelBorderElement(boolean redraw_playfield)
11773 {
11774   int last_border_element = BorderElement;
11775
11776   SetBorderElement();
11777
11778   if (redraw_playfield && BorderElement != last_border_element)
11779     DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11780 }
11781
11782 static void CopyLevelToUndoBuffer(int mode)
11783 {
11784   static boolean accumulated_undo = FALSE;
11785   boolean new_undo_buffer_position = TRUE;
11786   int x, y;
11787
11788   if (undo_buffer_steps == 0)
11789     accumulated_undo = FALSE;
11790
11791   switch (mode)
11792   {
11793     case UNDO_IMMEDIATE:
11794       accumulated_undo = FALSE;
11795       break;
11796
11797     case UNDO_ACCUMULATE:
11798       if (accumulated_undo)
11799         new_undo_buffer_position = FALSE;
11800       accumulated_undo = TRUE;
11801       break;
11802
11803     default:
11804       break;
11805   }
11806
11807   if (new_undo_buffer_position)
11808   {
11809     /* advance position in undo buffer ring */
11810     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
11811
11812     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
11813       undo_buffer_steps++;
11814   }
11815
11816   /* always reset redo buffer when storing level change into undo buffer */
11817   redo_buffer_steps = 0;
11818
11819   for (x = 0; x < lev_fieldx; x++)
11820     for (y = 0; y < lev_fieldy; y++)
11821       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
11822
11823   /* check if drawing operation forces change of border style */
11824   CheckLevelBorderElement(TRUE);
11825
11826   level.changed = TRUE;
11827 }
11828
11829 static void RandomPlacement(int new_element)
11830 {
11831   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
11832   int num_free_positions = 0;
11833   int num_percentage, num_elements;
11834   int x, y;
11835
11836   ResetIntelliDraw();
11837
11838   /* determine number of free positions for randomly placing the new element */
11839   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
11840   {
11841     free_position[x][y] =
11842       (random_placement_background_restricted ?
11843        Feld[x][y] == random_placement_background_element :
11844        Feld[x][y] != new_element);
11845
11846     if (free_position[x][y])
11847       num_free_positions++;
11848   }
11849
11850   /* determine number of new elements to place there */
11851   num_percentage = num_free_positions * random_placement_value / 100;
11852   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
11853                   num_percentage : random_placement_value);
11854
11855   /* if less free positions than elements to place, fill all these positions */
11856   if (num_free_positions < num_elements)
11857   {
11858     for (x = 0; x < lev_fieldx; x++)
11859       for (y = 0; y < lev_fieldy; y++)
11860         if (free_position[x][y])
11861           SetElement(x, y, new_element);
11862   }
11863   else
11864   {
11865     while (num_elements > 0)
11866     {
11867       x = GetSimpleRandom(lev_fieldx);
11868       y = GetSimpleRandom(lev_fieldy);
11869
11870       /* don't place element at the same position twice */
11871       if (free_position[x][y])
11872       {
11873         free_position[x][y] = FALSE;
11874         SetElement(x, y, new_element);
11875         num_elements--;
11876       }
11877     }
11878   }
11879
11880   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11881   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
11882 }
11883
11884 void WrapLevel(int dx, int dy)
11885 {
11886   int wrap_dx = lev_fieldx - dx;
11887   int wrap_dy = lev_fieldy - dy;
11888   int x, y;
11889
11890   for (x = 0; x < lev_fieldx; x++)
11891     for (y = 0; y < lev_fieldy; y++)
11892       FieldBackup[x][y] = Feld[x][y];
11893
11894   for (x = 0; x < lev_fieldx; x++)
11895     for (y = 0; y < lev_fieldy; y++)
11896       Feld[x][y] =
11897         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
11898
11899   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11900   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
11901 }
11902
11903 static void HandleDrawingAreas(struct GadgetInfo *gi)
11904 {
11905   static boolean started_inside_drawing_area = FALSE;
11906   static int last_sx = -1, last_sy = -1;
11907   static int last_sx2 = -1, last_sy2 = -1;
11908   int id = gi->custom_id;
11909   int type_id = gi->custom_type_id;
11910   boolean button_press_event;
11911   boolean button_release_event;
11912   boolean inside_drawing_area = !gi->event.off_borders;
11913   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
11914   int actual_drawing_function;
11915   int button = gi->event.button;
11916   int new_element = BUTTON_ELEMENT(button);
11917   int sx = gi->event.x, sy = gi->event.y;
11918   int min_sx = 0, min_sy = 0;
11919   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
11920   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
11921   int mini_item_xsize = item_xsize / 2, mini_item_ysize = item_ysize / 2;
11922   int sx2 = gi->event.mx / mini_item_xsize;
11923   int sy2 = gi->event.my / mini_item_ysize;
11924   int dx = sx2 % 2;
11925   int dy = sy2 % 2;
11926   int lx = 0, ly = 0;
11927   int min_lx = 0, min_ly = 0;
11928   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
11929   int x, y;
11930
11931   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
11932   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
11933
11934   /* make sure to stay inside drawing area boundaries */
11935   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
11936   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
11937
11938   if (draw_level)
11939   {
11940     /* get positions inside level field */
11941     lx = sx + level_xpos;
11942     ly = sy + level_ypos;
11943
11944     if (!IN_LEV_FIELD(lx, ly))
11945       inside_drawing_area = FALSE;
11946
11947     /* make sure to stay inside level field boundaries */
11948     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
11949     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
11950
11951     /* correct drawing area positions accordingly */
11952     sx = lx - level_xpos;
11953     sy = ly - level_ypos;
11954   }
11955
11956   /* also correct MM wall-sized (double) drawing area positions accordingly */
11957   if (sx2 / 2 < sx || sx2 / 2 > sx)
11958   {
11959     dx = (sx2 / 2 < sx ? 0 : 1);
11960     sx2 = sx * 2 + dx;
11961   }
11962   if (sy2 / 2 < sy || sy2 / 2 > sy)
11963   {
11964     dy = (sy2 / 2 < sy ? 0 : 1);
11965     sy2 = sy * 2 + dy;
11966   }
11967
11968   if (button_release_event)
11969   {
11970     last_sx = -1;
11971     last_sy = -1;
11972     last_sx2 = -1;
11973     last_sy2 = -1;
11974   }
11975   else if (!button_press_event)
11976   {
11977     /* prevent handling events for every pixel position when moving mouse */
11978     if ((sx == last_sx && sy == last_sy &&
11979          !IS_MM_WALL_EDITOR(new_element) && new_element != EL_EMPTY) ||
11980         (sx2 == last_sx2 && sy2 == last_sy2))
11981       return;
11982   }
11983
11984   last_sx = sx;
11985   last_sy = sy;
11986   last_sx2 = sx2;
11987   last_sy2 = sy2;
11988
11989   if (button_press_event)
11990     started_inside_drawing_area = inside_drawing_area;
11991
11992   if (!started_inside_drawing_area)
11993     return;
11994
11995   if (!IS_VALID_BUTTON(button))
11996     return;
11997
11998   if (!button && !button_release_event)
11999     return;
12000
12001   /* handle info callback for each invocation of action callback */
12002   gi->callback_info(gi);
12003
12004   /* automatically switch to 'single item' drawing mode, if needed */
12005   actual_drawing_function =
12006     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
12007      drawing_function : GADGET_ID_SINGLE_ITEMS);
12008
12009   /* clicking into drawing area with pressed Control key picks element */
12010   if (GetKeyModState() & KMOD_Control)
12011   {
12012     last_drawing_function = drawing_function;
12013     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
12014   }
12015
12016   if (GetKeyModState() & KMOD_Shift)
12017   {
12018     if (button_press_event || button_release_event)
12019       ResetIntelliDraw();
12020   }
12021
12022   SetDrawModeHiRes(-1);         /* reset to normal draw mode */
12023
12024   switch (actual_drawing_function)
12025   {
12026     case GADGET_ID_SINGLE_ITEMS:
12027       if (draw_level)
12028       {
12029         if (button_release_event)
12030         {
12031           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12032
12033           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
12034               !inside_drawing_area)
12035             DeleteBrushFromCursor();
12036         }
12037
12038         if (!button || button_release_event)
12039           break;
12040
12041         if (draw_with_brush)
12042         {
12043           CopyBrushToLevel(sx, sy, button);
12044         }
12045         else
12046         {
12047           SetDrawModeHiRes(new_element);
12048
12049           if (new_element == EL_PLAYER_1)
12050           {
12051             /* remove player at old position */
12052             for (y = 0; y < lev_fieldy; y++)
12053               for (x = 0; x < lev_fieldx; x++)
12054                 if (Feld[x][y] == EL_PLAYER_1)
12055                   SetElement(x, y, EL_EMPTY);
12056           }
12057
12058           SetElementButton(lx, ly, dx, dy, new_element, button);
12059         }
12060       }
12061       else if (!button_release_event)
12062       {
12063         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
12064
12065         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
12066           DrawMiniGraphicExt(drawto,
12067                              gi->x + sx * MINI_TILEX,
12068                              gi->y + sy * MINI_TILEY,
12069                              el2edimg(new_element));
12070         else
12071           DrawFixedGraphicExt(drawto,
12072                               gi->x + sx * TILEX,
12073                               gi->y + sy * TILEY,
12074                               el2edimg(new_element), 0);
12075
12076         if (id == GADGET_ID_CUSTOM_GRAPHIC)
12077           new_element = GFX_ELEMENT(new_element);
12078
12079         drawingarea_info[type_id].value[pos] = new_element;
12080
12081         CopyElementPropertiesToGame(properties_element);
12082
12083         if (id == GADGET_ID_CUSTOM_GRAPHIC)
12084         {
12085           UpdateCustomElementGraphicGadgets();
12086
12087           FrameCounter = 0;     /* restart animation frame counter */
12088         }
12089       }
12090       break;
12091
12092     case GADGET_ID_CONNECTED_ITEMS:
12093       {
12094         static int last_sx = -1;
12095         static int last_sy = -1;
12096
12097         if (button_release_event)
12098           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12099
12100         if (button)
12101         {
12102           SetDrawModeHiRes(new_element);
12103
12104           if (getDrawModeHiRes())
12105           {
12106             sx = sx2;
12107             sy = sy2;
12108           }
12109
12110           if (!button_press_event)
12111             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
12112
12113           last_sx = sx;
12114           last_sy = sy;
12115         }
12116       }
12117       break;
12118
12119     case GADGET_ID_LINE:
12120     case GADGET_ID_ARC:
12121     case GADGET_ID_RECTANGLE:
12122     case GADGET_ID_FILLED_BOX:
12123       SetDrawModeHiRes(new_element);
12124
12125       if (getDrawModeHiRes())
12126       {
12127         sx = sx2;
12128         sy = sy2;
12129       }
12130       /* FALLTHROUGH */
12131     case GADGET_ID_GRAB_BRUSH:
12132     case GADGET_ID_TEXT:
12133       {
12134         static int last_sx = -1;
12135         static int last_sy = -1;
12136         static int start_sx = -1;
12137         static int start_sy = -1;
12138         void (*draw_func)(int, int, int, int, int, boolean);
12139
12140         if (drawing_function == GADGET_ID_LINE)
12141           draw_func = DrawLine;
12142         else if (drawing_function == GADGET_ID_ARC)
12143           draw_func = DrawArc;
12144         else if (drawing_function == GADGET_ID_RECTANGLE)
12145           draw_func = DrawBox;
12146         else if (drawing_function == GADGET_ID_FILLED_BOX)
12147           draw_func = DrawFilledBox;
12148         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
12149           draw_func = SelectArea;
12150         else /* (drawing_function == GADGET_ID_TEXT) */
12151           draw_func = SetTextCursor;
12152
12153         if (button_press_event)
12154         {
12155           draw_func(sx, sy, sx, sy, new_element, FALSE);
12156           start_sx = last_sx = sx;
12157           start_sy = last_sy = sy;
12158
12159           if (drawing_function == GADGET_ID_TEXT)
12160             DrawLevelText(0, 0, 0, TEXT_END);
12161         }
12162         else if (button_release_event)
12163         {
12164           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
12165           if (drawing_function == GADGET_ID_GRAB_BRUSH)
12166           {
12167             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
12168             CopyBrushToCursor(sx, sy);
12169             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
12170                           MB_LEFTBUTTON);
12171             draw_with_brush = TRUE;
12172           }
12173           else if (drawing_function == GADGET_ID_TEXT)
12174             DrawLevelText(sx, sy, 0, TEXT_INIT);
12175           else
12176             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12177         }
12178         else if (last_sx != sx || last_sy != sy)
12179         {
12180           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
12181           if (IS_MM_WALL_EDITOR(new_element))   /* clear wall background */
12182             draw_func(start_sx, start_sy, sx, sy, EL_EMPTY, FALSE);
12183           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
12184           last_sx = sx;
12185           last_sy = sy;
12186         }
12187       }
12188       break;
12189
12190     case GADGET_ID_FLOOD_FILL:
12191       if (button_press_event && Feld[lx][ly] != new_element)
12192       {
12193         if (IS_MM_WALL_EDITOR(new_element))
12194           FloodFillWall_MM(sx2, sy2, new_element);
12195         else
12196           FloodFill(lx, ly, new_element);
12197
12198         DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12199         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12200       }
12201       break;
12202
12203     case GADGET_ID_PICK_ELEMENT:
12204       if (button_release_event)
12205         ClickOnGadget(level_editor_gadget[last_drawing_function],
12206                       MB_LEFTBUTTON);
12207       else if (draw_level)
12208         PickDrawingElement(button, Feld[lx][ly]);
12209       else
12210       {
12211         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
12212
12213         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
12214       }
12215
12216     default:
12217       break;
12218   }
12219
12220   /* do not mark level as modified for certain non-level-changing gadgets */
12221   if ((type_id >= ED_DRAWING_ID_EDITOR_FIRST &&
12222        type_id <= ED_DRAWING_ID_EDITOR_LAST) ||
12223       actual_drawing_function == GADGET_ID_GRAB_BRUSH ||
12224       actual_drawing_function == GADGET_ID_PICK_ELEMENT)
12225     return;
12226
12227   level.changed = TRUE;
12228 }
12229
12230 static void HandleCounterButtons(struct GadgetInfo *gi)
12231 {
12232   int gadget_id = gi->custom_id;
12233   int counter_id = gi->custom_type_id;
12234   int button = gi->event.button;
12235   int *counter_value = counterbutton_info[counter_id].value;
12236   int step = BUTTON_STEPSIZE(button) *
12237     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
12238
12239   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
12240   {
12241     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
12242     boolean released = (gi->event.type == GD_EVENT_RELEASED);
12243     boolean level_changed = LevelChanged();
12244
12245     if ((level_changed && pressed) || (!level_changed && released))
12246       return;
12247
12248     if (level_changed && !Request("Level has changed! Discard changes?",
12249                                   REQ_ASK))
12250     {
12251       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
12252         ModifyEditorCounterValue(counter_id, *counter_value);
12253
12254       return;
12255     }
12256   }
12257
12258   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
12259     *counter_value = gi->textinput.number_value;
12260   else
12261     ModifyEditorCounterValue(counter_id, *counter_value + step);
12262
12263   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
12264   {
12265     int last_game_engine_type = level.game_engine_type;
12266
12267     LoadLevel(level_nr);
12268     LoadScore(level_nr);
12269
12270     SaveLevelSetup_SeriesInfo();
12271
12272     TapeErase();
12273
12274     ResetUndoBuffer();
12275     DrawEditModeWindow();
12276
12277     if (level.game_engine_type != last_game_engine_type)
12278     {
12279       /* update element selection list */
12280       ReinitializeElementList();
12281       ModifyEditorElementList();
12282     }
12283
12284     return;
12285   }
12286
12287   switch (counter_id)
12288   {
12289     case ED_COUNTER_ID_YAMYAM_CONTENT:
12290       DrawYamYamContentAreas();
12291       break;
12292
12293     case ED_COUNTER_ID_BALL_CONTENT:
12294       DrawMagicBallContentAreas();
12295       break;
12296
12297     case ED_COUNTER_ID_ANDROID_CONTENT:
12298       DrawAndroidElementArea(properties_element);
12299       break;
12300
12301     case ED_COUNTER_ID_GROUP_CONTENT:
12302       DrawGroupElementArea(properties_element);
12303       CopyGroupElementPropertiesToGame(properties_element);
12304       break;
12305
12306     case ED_COUNTER_ID_INVENTORY_SIZE:
12307       DrawPlayerInitialInventoryArea(properties_element);
12308       break;
12309
12310     case ED_COUNTER_ID_ENVELOPE_XSIZE:
12311     case ED_COUNTER_ID_ENVELOPE_YSIZE:
12312       DrawEnvelopeTextArea(-1);
12313       break;
12314
12315     case ED_COUNTER_ID_LEVEL_XSIZE:
12316     case ED_COUNTER_ID_LEVEL_YSIZE:
12317       lev_fieldx = level.fieldx;
12318       lev_fieldy = level.fieldy;
12319
12320       /* check if resizing of level results in change of border border */
12321       SetBorderElement();
12322
12323       break;
12324
12325     default:
12326       break;
12327   }
12328
12329   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
12330        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
12331       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
12332        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
12333     CopyElementPropertiesToGame(properties_element);
12334
12335   /* do not mark level as modified for certain non-level-changing gadgets */
12336   if (counter_id >= ED_COUNTER_ID_EDITOR_FIRST &&
12337       counter_id <= ED_COUNTER_ID_EDITOR_LAST)
12338     return;
12339
12340   level.changed = TRUE;
12341 }
12342
12343 static void HandleTextInputGadgets(struct GadgetInfo *gi)
12344 {
12345   int type_id = gi->custom_type_id;
12346
12347   strcpy(textinput_info[type_id].value, gi->textinput.value);
12348
12349   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
12350   {
12351     CopyElementPropertiesToGame(properties_element);
12352
12353     ModifyEditorElementList();  /* update changed button info text */
12354   }
12355
12356   level.changed = TRUE;
12357 }
12358
12359 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
12360 {
12361   int type_id = gi->custom_type_id;
12362
12363   strncpy(textarea_info[type_id].value, gi->textarea.value,
12364           MAX_ENVELOPE_TEXT_LEN);
12365   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
12366
12367   level.changed = TRUE;
12368 }
12369
12370 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
12371 {
12372   int type_id = gi->custom_type_id;
12373   int value_old = *selectbox_info[type_id].value;
12374   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
12375
12376   *selectbox_info[type_id].value = value_new;
12377
12378   if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
12379   {
12380     element_info[properties_element].current_change_page = gi->selectbox.index;
12381
12382     DrawPropertiesWindow();
12383   }
12384   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
12385             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
12386            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
12387             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
12388            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
12389   {
12390     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
12391     {
12392       /* when changing action type, also check action mode and action arg */
12393       if (value_old != value_new)
12394         setSelectboxSpecialActionVariablesIfNeeded();
12395
12396       DrawPropertiesChange();
12397     }
12398
12399     CopyElementPropertiesToGame(properties_element);
12400   }
12401   else if (type_id == ED_SELECTBOX_ID_GAME_ENGINE_TYPE)
12402   {
12403     /* update element selection list */
12404     ReinitializeElementList();
12405     ModifyEditorElementList();
12406   }
12407
12408   /* do not mark level as modified for certain non-level-changing gadgets */
12409   if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
12410     return;
12411
12412   level.changed = TRUE;
12413 }
12414
12415 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
12416 {
12417   int type_id = gi->custom_type_id;
12418   int i;
12419
12420   if (type_id >= ED_TAB_BUTTON_ID_LEVELINFO_FIRST &&
12421       type_id <= ED_TAB_BUTTON_ID_LEVELINFO_LAST)
12422   {
12423     edit_mode_levelinfo = gi->custom_type_id;
12424
12425     DrawLevelInfoWindow();
12426   }
12427   else if (type_id >= ED_TAB_BUTTON_ID_PROPERTIES_FIRST &&
12428            type_id <= ED_TAB_BUTTON_ID_PROPERTIES_LAST)
12429   {
12430     edit_mode_properties = gi->custom_type_id;
12431
12432     DrawPropertiesWindow();
12433   }
12434   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1 ||
12435            type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2)
12436   {
12437     boolean new_template = !fileExists(getLocalLevelTemplateFilename());
12438
12439     /* backup original "level.field" (needed to track playfield changes) */
12440     CopyPlayfield(level.field, FieldBackup);
12441
12442     /* "SaveLevelTemplate()" uses "level.field", so copy editor playfield */
12443     CopyPlayfield(Feld, level.field);
12444
12445     if (new_template ||
12446         Request("Save this template and kill the old?", REQ_ASK))
12447       SaveLevelTemplate();
12448
12449     if (new_template)
12450       Request("Template saved!", REQ_CONFIRM);
12451
12452     /* restore original "level.field" (needed to track playfield changes) */
12453     CopyPlayfield(FieldBackup, level.field);
12454   }
12455   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
12456            custom_element.num_change_pages < MAX_CHANGE_PAGES)
12457   {
12458     struct ElementInfo *ei = &element_info[properties_element];
12459
12460     /* when modifying custom element, ask for copying level template */
12461     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
12462       return;
12463
12464     setElementChangePages(ei, ei->num_change_pages + 1);
12465
12466     /* set new change page to be new current change page */
12467     ei->current_change_page = ei->num_change_pages - 1;
12468     ei->change = &ei->change_page[ei->current_change_page];
12469
12470     setElementChangeInfoToDefaults(ei->change);
12471
12472     DrawPropertiesWindow();
12473
12474     level.changed = TRUE;
12475   }
12476   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
12477            custom_element.num_change_pages > MIN_CHANGE_PAGES)
12478   {
12479     struct ElementInfo *ei = &element_info[properties_element];
12480
12481     /* when modifying custom element, ask for copying level template */
12482     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
12483       return;
12484
12485     /* copy all change pages after change page to be deleted */
12486     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
12487       ei->change_page[i] = ei->change_page[i + 1];
12488
12489     setElementChangePages(ei, ei->num_change_pages - 1);
12490
12491     DrawPropertiesWindow();
12492
12493     level.changed = TRUE;
12494   }
12495 }
12496
12497 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
12498 {
12499   int type_id = gi->custom_type_id;
12500
12501   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
12502       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
12503   {
12504     struct ElementInfo *ei = &element_info[properties_element];
12505     int step = BUTTON_STEPSIZE(gi->event.button);
12506
12507     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
12508     ei->current_change_page += step;
12509
12510     if (ei->current_change_page < 0)
12511       ei->current_change_page = 0;
12512     else if (ei->current_change_page >= ei->num_change_pages)
12513       ei->current_change_page = ei->num_change_pages - 1;
12514
12515     DrawPropertiesWindow();
12516   }
12517   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
12518            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
12519   {
12520     struct ElementInfo *ei = &element_info[properties_element];
12521     int current_change_page = ei->current_change_page;
12522
12523     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
12524     {
12525       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
12526         ei->change_page[current_change_page];
12527     }
12528     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
12529     {
12530       /* when modifying custom element, ask for copying level template */
12531       if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
12532         return;
12533
12534       ei->change_page[current_change_page] =
12535         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
12536
12537       level.changed = TRUE;
12538     }
12539
12540     DrawPropertiesWindow();
12541   }
12542 }
12543
12544 static void HandleRadiobuttons(struct GadgetInfo *gi)
12545 {
12546   int type_id = gi->custom_type_id;
12547
12548   *radiobutton_info[type_id].value =
12549     radiobutton_info[type_id].checked_value;
12550
12551   /* do not mark level as modified for certain non-level-changing gadgets */
12552   if (type_id >= ED_RADIOBUTTON_ID_EDITOR_FIRST &&
12553       type_id <= ED_RADIOBUTTON_ID_EDITOR_LAST)
12554     return;
12555
12556   level.changed = TRUE;
12557 }
12558
12559 static void HandleCheckbuttons(struct GadgetInfo *gi)
12560 {
12561   int type_id = gi->custom_type_id;
12562
12563   *checkbutton_info[type_id].value ^= TRUE;
12564
12565   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
12566       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
12567       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
12568       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
12569          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
12570         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
12571          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
12572        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1))
12573   {
12574     CopyElementPropertiesToGame(properties_element);
12575   }
12576
12577   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
12578   {
12579     UpdateCustomElementGraphicGadgets();
12580   }
12581   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1 ||
12582            type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2)
12583   {
12584     boolean template_related_changes_found = FALSE;
12585     int i;
12586
12587     /* check if any custom or group elements have been changed */
12588     for (i = 0; i < NUM_FILE_ELEMENTS; i++)
12589       if ((IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)) &&
12590           element_info[i].modified_settings)
12591         template_related_changes_found = TRUE;
12592
12593     if (level.use_custom_template &&
12594         !fileExists(getGlobalLevelTemplateFilename()))
12595     {
12596       Request("No level template found!", REQ_CONFIRM);
12597
12598       level.use_custom_template = FALSE;
12599
12600       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
12601
12602       return;
12603     }
12604
12605     if (level.use_custom_template &&
12606         template_related_changes_found &&
12607         !Request("Discard changes and use level template?", REQ_ASK))
12608     {
12609       level.use_custom_template = FALSE;
12610
12611       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
12612
12613       return;
12614     }
12615
12616     if (!level.use_custom_template &&
12617         Request("Copy settings from level template?", REQ_ASK))
12618     {
12619       return;
12620     }
12621
12622     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
12623
12624     DrawEditModeWindow();
12625   }
12626   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3)
12627   {
12628     if (setup.editor.use_template_for_new_levels &&
12629         !fileExists(getGlobalLevelTemplateFilename()))
12630     {
12631       Request("No level template found!", REQ_CONFIRM);
12632
12633       return;
12634     }
12635
12636     if (setup.editor.use_template_for_new_levels &&
12637         level.changed &&
12638         !Request("Discard level and load template?", REQ_ASK))
12639     {
12640       return;
12641     }
12642
12643     if (!setup.editor.use_template_for_new_levels &&
12644         level.changed &&
12645         !Request("Discard level and use empty level?", REQ_ASK))
12646     {
12647       return;
12648     }
12649
12650     LoadLevel(level_nr);
12651     LoadScore(level_nr);
12652
12653     TapeErase();
12654
12655     ResetUndoBuffer();
12656     DrawEditModeWindow();
12657   }
12658   else if (type_id == ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS)
12659   {
12660     SetAutomaticNumberOfGemsNeeded();
12661   }
12662
12663   /* do not mark level as modified for certain non-level-changing gadgets */
12664   if ((type_id >= ED_CHECKBUTTON_ID_EDITOR_FIRST &&
12665        type_id <= ED_CHECKBUTTON_ID_EDITOR_LAST) ||
12666       type_id == ED_CHECKBUTTON_ID_STICK_ELEMENT)
12667     return;
12668
12669   level.changed = TRUE;
12670 }
12671
12672 static void HandleControlButtons(struct GadgetInfo *gi)
12673 {
12674   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
12675   static int last_edit_mode = ED_MODE_DRAWING;
12676   static int last_custom_copy_mode = -1;
12677   static int last_button = 0;
12678   int id = gi->custom_id;
12679   int button = gi->event.button;
12680   int step = BUTTON_STEPSIZE(button);
12681   int new_element = BUTTON_ELEMENT(button);
12682   int last_properties_element = properties_element;
12683   int x, y;
12684
12685   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
12686     DrawLevelText(0, 0, 0, TEXT_END);
12687
12688   if (id < ED_NUM_CTRL1_BUTTONS &&
12689       id != GADGET_ID_SINGLE_ITEMS &&
12690       id != GADGET_ID_PICK_ELEMENT &&
12691       edit_mode != ED_MODE_DRAWING &&
12692       drawing_function != GADGET_ID_PICK_ELEMENT &&
12693       !(GetKeyModState() & KMOD_Control))
12694     ChangeEditModeWindow(ED_MODE_DRAWING);
12695
12696   /* element copy mode active, but no element button pressed => deactivate */
12697   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
12698     last_custom_copy_mode = -1;
12699
12700   /* when showing palette on element buttons, change element of button used */
12701   if (editor.palette.show_on_element_buttons &&
12702       id >= GADGET_ID_ELEMENT_LEFT && id <= GADGET_ID_ELEMENT_RIGHT)
12703   {
12704     last_button = id - GADGET_ID_ELEMENT_LEFT + 1;
12705
12706     id = GADGET_ID_PALETTE;
12707   }
12708
12709   switch (id)
12710   {
12711     case GADGET_ID_SCROLL_LEFT:
12712       if (level_xpos >= 0)
12713       {
12714         if (lev_fieldx < ed_fieldx - 2)
12715           break;
12716
12717         level_xpos -= step;
12718         if (level_xpos < -1)
12719           level_xpos = -1;
12720         if (button == 1)
12721           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
12722         else
12723           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12724
12725         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
12726                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
12727       }
12728       break;
12729
12730     case GADGET_ID_SCROLL_RIGHT:
12731       if (level_xpos <= lev_fieldx - ed_fieldx)
12732       {
12733         if (lev_fieldx < ed_fieldx - 2)
12734           break;
12735
12736         level_xpos += step;
12737         if (level_xpos > lev_fieldx - ed_fieldx + 1)
12738           level_xpos = lev_fieldx - ed_fieldx + 1;
12739         if (button == 1)
12740           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
12741         else
12742           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12743
12744         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
12745                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
12746       }
12747       break;
12748
12749     case GADGET_ID_SCROLL_UP:
12750       if (level_ypos >= 0)
12751       {
12752         if (lev_fieldy < ed_fieldy - 2)
12753           break;
12754
12755         level_ypos -= step;
12756         if (level_ypos < -1)
12757           level_ypos = -1;
12758         if (button == 1)
12759           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
12760         else
12761           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12762
12763         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
12764                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
12765       }
12766       break;
12767
12768     case GADGET_ID_SCROLL_DOWN:
12769       if (level_ypos <= lev_fieldy - ed_fieldy)
12770       {
12771         if (lev_fieldy < ed_fieldy - 2)
12772           break;
12773
12774         level_ypos += step;
12775         if (level_ypos > lev_fieldy - ed_fieldy + 1)
12776           level_ypos = lev_fieldy - ed_fieldy + 1;
12777         if (button == 1)
12778           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_UP);
12779         else
12780           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12781
12782         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
12783                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
12784       }
12785       break;
12786
12787     case GADGET_ID_SCROLL_HORIZONTAL:
12788       level_xpos = gi->event.item_position - 1;
12789
12790       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12791       BackToFront();
12792
12793       break;
12794
12795     case GADGET_ID_SCROLL_VERTICAL:
12796       level_ypos = gi->event.item_position - 1;
12797
12798       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12799       BackToFront();
12800
12801       break;
12802
12803     case GADGET_ID_SCROLL_LIST_UP:
12804     case GADGET_ID_SCROLL_LIST_DOWN:
12805     case GADGET_ID_SCROLL_LIST_VERTICAL:
12806       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
12807         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
12808       else
12809       {
12810         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
12811         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
12812
12813         if (element_shift < 0)
12814           element_shift = 0;
12815         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
12816           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
12817
12818         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
12819                      GDI_SCROLLBAR_ITEM_POSITION,
12820                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
12821       }
12822
12823       ModifyEditorElementList();
12824
12825       break;
12826
12827     case GADGET_ID_PROPERTIES:
12828       // always switch off element properties when they are already displayed
12829       last_properties_element = new_element;
12830     case GADGET_ID_ELEMENT_LEFT:
12831     case GADGET_ID_ELEMENT_MIDDLE:
12832     case GADGET_ID_ELEMENT_RIGHT:
12833       properties_element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
12834                             id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
12835                             id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 :
12836                             new_element);
12837
12838       if (edit_mode != ED_MODE_PROPERTIES)
12839       {
12840         last_edit_mode = edit_mode;
12841
12842         ChangeEditModeWindow(ED_MODE_PROPERTIES);
12843
12844         last_level_drawing_function = drawing_function;
12845         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
12846                       MB_LEFTBUTTON);
12847       }
12848       else if (properties_element != last_properties_element)
12849       {
12850         DrawEditModeWindow();
12851       }
12852       else
12853       {
12854         ChangeEditModeWindow(last_edit_mode);
12855
12856         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
12857                       MB_LEFTBUTTON);
12858       }
12859       break;
12860
12861     case GADGET_ID_PALETTE:
12862       if (edit_mode != ED_MODE_PALETTE)
12863       {
12864         last_edit_mode = edit_mode;
12865
12866         ChangeEditModeWindow(ED_MODE_PALETTE);
12867       }
12868       else
12869       {
12870         ChangeEditModeWindow(last_edit_mode);
12871       }
12872       break;
12873
12874     case GADGET_ID_WRAP_LEFT:
12875       WrapLevel(-step, 0);
12876       break;
12877
12878     case GADGET_ID_WRAP_RIGHT:
12879       WrapLevel(step, 0);
12880       break;
12881
12882     case GADGET_ID_WRAP_UP:
12883       WrapLevel(0, -step);
12884       break;
12885
12886     case GADGET_ID_WRAP_DOWN:
12887       WrapLevel(0, step);
12888       break;
12889
12890     case GADGET_ID_SINGLE_ITEMS:
12891     case GADGET_ID_CONNECTED_ITEMS:
12892     case GADGET_ID_LINE:
12893     case GADGET_ID_ARC:
12894     case GADGET_ID_TEXT:
12895     case GADGET_ID_RECTANGLE:
12896     case GADGET_ID_FILLED_BOX:
12897     case GADGET_ID_FLOOD_FILL:
12898     case GADGET_ID_GRAB_BRUSH:
12899     case GADGET_ID_PICK_ELEMENT:
12900       if (drawing_function != GADGET_ID_PICK_ELEMENT)
12901         last_drawing_function = drawing_function;
12902       drawing_function = id;
12903       draw_with_brush = FALSE;
12904       break;
12905
12906     case GADGET_ID_RANDOM_PLACEMENT:
12907       RandomPlacement(new_element);
12908       break;
12909
12910     case GADGET_ID_ZOOM:
12911       // zoom level editor tile size in or out (or reset to default size)
12912       ed_tilesize = (button == 1 ? ed_tilesize * 2 :
12913                      button == 2 ? DEFAULT_EDITOR_TILESIZE :
12914                      button == 3 ? ed_tilesize / 2 : ed_tilesize);
12915
12916       // limit zoom level by upper and lower bound
12917       ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
12918
12919       InitZoomLevelSettings(ed_tilesize);
12920
12921       if (edit_mode == ED_MODE_DRAWING)
12922       {
12923         DrawDrawingWindow();
12924
12925         /* redraw zoom gadget info text */
12926         PrintEditorGadgetInfoText(level_editor_gadget[id]);
12927       }
12928
12929       /* save current editor zoom tilesize */
12930       SaveSetup_AutoSetup();
12931
12932       break;
12933
12934     case GADGET_ID_CUSTOM_COPY_FROM:
12935     case GADGET_ID_CUSTOM_COPY_TO:
12936     case GADGET_ID_CUSTOM_EXCHANGE:
12937       last_custom_copy_mode = id;
12938       last_drawing_function = drawing_function;
12939       break;
12940
12941     case GADGET_ID_CUSTOM_COPY:
12942       CopyCustomElement(properties_element, -1, id);
12943       break;
12944
12945     case GADGET_ID_CUSTOM_PASTE:
12946       CopyCustomElement(-1, properties_element, id);
12947       break;
12948
12949     case GADGET_ID_UNDO:
12950       if (button == 1 && GetKeyModState() & (KMOD_Shift|KMOD_Control))
12951         button = 3;
12952
12953       if (button == 1 && undo_buffer_steps == 0)
12954       {
12955         Request("Undo buffer empty!", REQ_CONFIRM);
12956
12957         break;
12958       }
12959       else if (button == 2)
12960       {
12961         break;
12962       }
12963       else if (button == 3 && redo_buffer_steps == 0)
12964       {
12965         Request("Redo buffer empty!", REQ_CONFIRM);
12966
12967         break;
12968       }
12969
12970       if (edit_mode != ED_MODE_DRAWING)
12971         ChangeEditModeWindow(ED_MODE_DRAWING);
12972
12973       if (button == 1)
12974       {
12975         /* undo */
12976
12977         undo_buffer_position =
12978           (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
12979
12980         undo_buffer_steps--;
12981         redo_buffer_steps++;
12982       }
12983       else
12984       {
12985         /* redo */
12986
12987         undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
12988
12989         undo_buffer_steps++;
12990         redo_buffer_steps--;
12991       }
12992
12993       for (x = 0; x < lev_fieldx; x++)
12994         for (y = 0; y < lev_fieldy; y++)
12995           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
12996
12997       /* check if undo operation forces change of border style */
12998       CheckLevelBorderElement(FALSE);
12999
13000       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13001
13002       break;
13003
13004     case GADGET_ID_INFO:
13005       if (edit_mode != ED_MODE_INFO)
13006       {
13007         last_edit_mode = edit_mode;
13008
13009         ChangeEditModeWindow(ED_MODE_INFO);
13010       }
13011       else
13012       {
13013         ChangeEditModeWindow(last_edit_mode);
13014       }
13015       break;
13016
13017     case GADGET_ID_CLEAR:
13018       if (edit_mode != ED_MODE_DRAWING)
13019         ChangeEditModeWindow(ED_MODE_DRAWING);
13020
13021       for (x = 0; x < MAX_LEV_FIELDX; x++)
13022         for (y = 0; y < MAX_LEV_FIELDY; y++)
13023           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
13024
13025       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
13026
13027       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13028       break;
13029
13030     case GADGET_ID_SAVE:
13031     {
13032       /* saving read-only levels into personal level set modifies global vars
13033          "leveldir_current" and "level_nr"; restore them after saving level */
13034       LevelDirTree *leveldir_former = leveldir_current;
13035       int level_nr_former = level_nr;
13036       char *level_filename;
13037       boolean new_level;
13038
13039       if (leveldir_current->readonly &&
13040           !PrepareSavingIntoPersonalLevelSet())
13041         break;
13042
13043       level_filename = getDefaultLevelFilename(level_nr);
13044       new_level = !fileExists(level_filename);
13045
13046       if (new_level ||
13047           Request("Save this level and kill the old?", REQ_ASK))
13048       {
13049         if (leveldir_former->readonly)
13050           ModifyLevelInfoForSavingIntoPersonalLevelSet(leveldir_former->name);
13051
13052         SetAutomaticNumberOfGemsNeeded();
13053
13054         CopyPlayfield(Feld, level.field);
13055         SaveLevel(level_nr);
13056
13057         level.changed = FALSE;
13058
13059         if (new_level)
13060         {
13061           char level_saved_msg[64];
13062
13063           if (leveldir_former->readonly)
13064             sprintf(level_saved_msg,
13065                     "Level saved as level %d into personal level set!",
13066                     level_nr);
13067           else
13068             strcpy(level_saved_msg, "Level saved!");
13069
13070           Request(level_saved_msg, REQ_CONFIRM);
13071         }
13072       }
13073
13074       /* "cd" back to copied-from levelset (in case of saved read-only level) */
13075       leveldir_current = leveldir_former;
13076       level_nr = level_nr_former;
13077
13078       break;
13079     }
13080
13081     case GADGET_ID_TEST:
13082       if (LevelChanged())
13083         level.game_version = GAME_VERSION_ACTUAL;
13084
13085       CopyPlayfield(level.field, FieldBackup);
13086       CopyPlayfield(Feld, level.field);
13087
13088       CopyNativeLevel_RND_to_Native(&level);
13089
13090       UnmapLevelEditorGadgets();
13091       UndrawSpecialEditorDoor();
13092
13093       CloseDoor(DOOR_CLOSE_ALL);
13094
13095       /* needed before playing if editor playfield area has different size */
13096       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
13097
13098       // redraw_mask = REDRAW_ALL;
13099
13100       level_editor_test_game = TRUE;
13101
13102       StartGameActions(FALSE, setup.autorecord, level.random_seed);
13103
13104       break;
13105
13106     case GADGET_ID_EXIT:
13107       RequestExitLevelEditor(TRUE, FALSE);  /* if level has changed, ask user */
13108       break;
13109
13110     default:
13111       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
13112           id <= GADGET_ID_ELEMENTLIST_LAST)
13113       {
13114         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
13115         int new_element = editor_elements[element_position + element_shift];
13116
13117         if (IS_EDITOR_CASCADE(new_element))
13118         {
13119           int i;
13120
13121           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
13122           {
13123             int *cascade_element= &(*editor_elements_info[i].headline_list)[0];
13124             boolean *cascade_value=editor_elements_info[i].setup_cascade_value;
13125
13126             if (*cascade_element == new_element)
13127             {
13128               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
13129               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
13130
13131               /* update element selection list */
13132               ReinitializeElementList();
13133               ModifyEditorElementList();
13134
13135               /* update cascading gadget info text */
13136               PrintEditorGadgetInfoText(level_editor_gadget[id]);
13137
13138               /* save current editor cascading state */
13139               SaveSetup_EditorCascade();
13140
13141               break;
13142             }
13143           }
13144
13145           break;
13146         }
13147
13148         if (last_custom_copy_mode != -1)
13149         {
13150           if (CopyCustomElement(properties_element, new_element,
13151                                 last_custom_copy_mode))
13152           {
13153             ClickOnGadget(level_editor_gadget[last_drawing_function],
13154                           MB_LEFTBUTTON);
13155
13156             last_custom_copy_mode = -1;
13157           }
13158
13159           break;
13160         }
13161
13162         /* change element of button used to show palette */
13163         if (editor.palette.show_on_element_buttons)
13164           button = last_button;
13165
13166         PickDrawingElement(button, new_element);
13167
13168         if (!stick_element_properties_window &&
13169             drawing_function != GADGET_ID_PICK_ELEMENT &&
13170             !(GetKeyModState() & KMOD_Control))
13171         {
13172           properties_element = new_element;
13173           if (edit_mode == ED_MODE_PROPERTIES)
13174             DrawPropertiesWindow();
13175         }
13176
13177         if (drawing_function == GADGET_ID_PICK_ELEMENT)
13178           ClickOnGadget(level_editor_gadget[last_drawing_function],
13179                         MB_LEFTBUTTON);
13180
13181         if (!use_permanent_palette)
13182           ChangeEditModeWindow(last_edit_mode);
13183       }
13184 #ifdef DEBUG
13185       else if (gi->event.type == GD_EVENT_PRESSED)
13186         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
13187       else if (gi->event.type == GD_EVENT_RELEASED)
13188         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
13189       else if (gi->event.type == GD_EVENT_MOVING)
13190         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
13191       else
13192         printf("default: HandleControlButtons: ? (id == %d)\n", id);
13193 #endif
13194       break;
13195   }
13196 }
13197
13198 void HandleLevelEditorKeyInput(Key key)
13199 {
13200   char letter = getCharFromKey(key);
13201   int button = MB_LEFTBUTTON;
13202
13203   if (drawing_function == GADGET_ID_TEXT &&
13204       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
13205   {
13206     if (letter)
13207       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
13208     else if (key == KSYM_Delete || key == KSYM_BackSpace)
13209       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
13210     else if (key == KSYM_Return)
13211       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
13212     else if (key == KSYM_Escape)
13213       DrawLevelText(0, 0, 0, TEXT_END);
13214   }
13215   else if (button_status == MB_RELEASED)
13216   {
13217     int id = GADGET_ID_NONE;
13218     int new_element_shift = element_shift;
13219     int step = ED_ELEMENTLIST_BUTTONS_VERT - 1;
13220     int i;
13221
13222     switch (key)
13223     {
13224       case KSYM_Left:
13225         id = GADGET_ID_SCROLL_LEFT;
13226         break;
13227       case KSYM_Right:
13228         id = GADGET_ID_SCROLL_RIGHT;
13229         break;
13230       case KSYM_Up:
13231         id = GADGET_ID_SCROLL_UP;
13232         break;
13233       case KSYM_Down:
13234         id = GADGET_ID_SCROLL_DOWN;
13235         break;
13236
13237       case KSYM_Page_Up:
13238       case KSYM_Page_Down:
13239         step *= (key == KSYM_Page_Up ? -1 : +1);
13240         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
13241
13242         if (element_shift < 0)
13243           element_shift = 0;
13244         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
13245           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
13246
13247         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
13248                      GDI_SCROLLBAR_ITEM_POSITION,
13249                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
13250
13251         ModifyEditorElementList();
13252
13253         break;
13254
13255       case KSYM_Home:
13256       case KSYM_End:
13257         element_shift = (key == KSYM_Home ? 0 :
13258                          num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
13259
13260         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
13261                      GDI_SCROLLBAR_ITEM_POSITION,
13262                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
13263
13264         ModifyEditorElementList();
13265
13266         break;
13267
13268       case KSYM_Insert:
13269       case KSYM_Delete:
13270
13271         /* this is needed to prevent interference with running "True X-Mouse" */
13272         if (GetKeyModStateFromEvents() & KMOD_Control)
13273           break;
13274
13275         /* check for last or next editor cascade block in element list */
13276         for (i = 0; i < num_editor_elements; i++)
13277         {
13278           if ((key == KSYM_Insert && i == element_shift) ||
13279               (key == KSYM_Delete && new_element_shift > element_shift))
13280             break;
13281
13282           /* jump to next cascade block (or to start of element list) */
13283           if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
13284             new_element_shift = i;
13285         }
13286
13287         if (i < num_editor_elements)
13288           element_shift = new_element_shift;
13289
13290         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
13291           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
13292
13293         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
13294                      GDI_SCROLLBAR_ITEM_POSITION,
13295                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
13296
13297         ModifyEditorElementList();
13298
13299         break;
13300
13301       case KSYM_Escape:
13302         if (edit_mode == ED_MODE_DRAWING)
13303         {
13304           RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
13305         }
13306         else if (edit_mode == ED_MODE_INFO)
13307         {
13308           HandleControlButtons(level_editor_gadget[GADGET_ID_INFO]);
13309         }
13310         else if (edit_mode == ED_MODE_PROPERTIES)
13311         {
13312           HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
13313         }
13314         else if (edit_mode == ED_MODE_PALETTE)
13315         {
13316           HandleControlButtons(level_editor_gadget[GADGET_ID_PALETTE]);
13317         }
13318         else            /* should never happen */
13319         {
13320           ChangeEditModeWindow(ED_MODE_DRAWING);
13321         }
13322
13323         break;
13324
13325       default:
13326         break;
13327     }
13328
13329     if (id != GADGET_ID_NONE)
13330       ClickOnGadget(level_editor_gadget[id], button);
13331     else if (letter == '1' || letter == '?')
13332       ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_LEFT], button);
13333     else if (letter == '2')
13334       ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_MIDDLE], button);
13335     else if (letter == '3')
13336       ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_RIGHT], button);
13337     else if (letter == '.')
13338       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
13339     else if (letter == 'U')
13340       ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
13341     else if (letter == '-' || key == KSYM_KP_Subtract)
13342       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 3);
13343     else if (letter == '0' || key == KSYM_KP_0)
13344       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 2);
13345     else if (letter == '+' || key == KSYM_KP_Add ||
13346              letter == '=')     // ("Shift-=" is "+" on US keyboards)
13347       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 1);
13348     else if (key == KSYM_Return ||
13349              key == KSYM_space ||
13350              key == setup.shortcut.toggle_pause)
13351       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
13352     else
13353       for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
13354         if (letter && letter == controlbutton_info[i].shortcut)
13355           if (!anyTextGadgetActive())
13356             ClickOnGadget(level_editor_gadget[i], button);
13357   }
13358 }
13359
13360 void HandleLevelEditorIdle()
13361 {
13362   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
13363   int x = editor.settings.element_graphic.x + element_border;
13364   int y = editor.settings.element_graphic.y + element_border;
13365   static unsigned int action_delay = 0;
13366   unsigned int action_delay_value = GameFrameDelay;
13367   int i;
13368
13369   if (edit_mode != ED_MODE_PROPERTIES)
13370     return;
13371
13372   if (!DelayReached(&action_delay, action_delay_value))
13373     return;
13374
13375   for (i = 0; i < ED_NUM_SELECTBOX; i++)
13376   {
13377     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
13378
13379     if (gi->mapped && gi->active && gi->selectbox.open)
13380       return;
13381   }
13382
13383   DrawEditorElementAnimation(SX + x, SY + y);
13384
13385   redraw_mask |= REDRAW_FIELD;
13386
13387   FrameCounter++;       /* increase animation frame counter */
13388 }
13389
13390 static void ClearEditorGadgetInfoText()
13391 {
13392   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
13393 }
13394
13395 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
13396 {
13397   char infotext[MAX_OUTPUT_LINESIZE + 1];
13398   char shortcut[MAX_OUTPUT_LINESIZE + 1];
13399   int max_infotext_len = getMaxInfoTextLength();
13400
13401   if (gi == NULL || strlen(gi->info_text) == 0)
13402     return;
13403
13404   strncpy(infotext, gi->info_text, max_infotext_len);
13405   infotext[max_infotext_len] = '\0';
13406
13407   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
13408   {
13409     int key = controlbutton_info[gi->custom_id].shortcut;
13410
13411     if (key)
13412     {
13413       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)
13414         sprintf(shortcut, " ('.' or '%c')", key);
13415       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT)
13416         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
13417       else if (gi->custom_id == GADGET_ID_TEST)
13418         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
13419       else if (gi->custom_id == GADGET_ID_UNDO)
13420         sprintf(shortcut, " ('%c/Shift-U')", key);
13421       else if (gi->custom_id == GADGET_ID_ZOOM)
13422         sprintf(shortcut, " ('%c', '0', '-')", key);
13423       else
13424         sprintf(shortcut, " ('%s%c')",
13425                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
13426
13427       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
13428         strcat(infotext, shortcut);
13429     }
13430   }
13431
13432   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, INFOTEXT_FONT);
13433 }
13434
13435 void HandleEditorGadgetInfoText(void *ptr)
13436 {
13437   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
13438
13439   if (game_status != GAME_MODE_EDITOR)
13440     return;
13441
13442   ClearEditorGadgetInfoText();
13443
13444   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
13445     return;
13446
13447   /* misuse this function to delete brush cursor, if needed */
13448   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
13449     DeleteBrushFromCursor();
13450
13451   PrintEditorGadgetInfoText(gi);
13452 }
13453
13454 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
13455 {
13456   static int start_lx, start_ly;
13457   int id = gi->custom_id;
13458   int type_id = gi->custom_type_id;
13459   int sx = gi->event.x;
13460   int sy = gi->event.y;
13461   int lx = sx + level_xpos;
13462   int ly = sy + level_ypos;
13463   int min_sx = 0, min_sy = 0;
13464   int max_sx = gi->drawing.area_xsize - 1;
13465   int max_sy = gi->drawing.area_ysize - 1;
13466   int actual_drawing_function = drawing_function;
13467   int max_infotext_len = getMaxInfoTextLength();
13468   char infotext[MAX_OUTPUT_LINESIZE + 1];
13469   char *text;
13470
13471   infotext[0] = '\0';           /* start with empty info text */
13472
13473   /* pressed Control key: simulate picking element */
13474   if (GetKeyModState() & KMOD_Control)
13475     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
13476
13477   ClearEditorGadgetInfoText();
13478
13479   if (gi->event.type == GD_EVENT_INFO_LEAVING)
13480     return;
13481
13482   /* make sure to stay inside drawing area boundaries */
13483   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
13484   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
13485
13486   if (id == GADGET_ID_DRAWING_LEVEL)
13487   {
13488     if (button_status)
13489     {
13490       int min_lx = 0, min_ly = 0;
13491       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
13492
13493       /* get positions inside level field */
13494       lx = sx + level_xpos;
13495       ly = sy + level_ypos;
13496
13497       /* make sure to stay inside level field boundaries */
13498       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
13499       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
13500
13501       /* correct drawing area positions accordingly */
13502       sx = lx - level_xpos;
13503       sy = ly - level_ypos;
13504     }
13505
13506     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
13507     {
13508       if (button_status)        /* if (gi->state == GD_BUTTON_PRESSED) */
13509       {
13510         if (gi->event.type == GD_EVENT_PRESSED)
13511         {
13512           start_lx = lx;
13513           start_ly = ly;
13514         }
13515
13516         switch (actual_drawing_function)
13517         {
13518           case GADGET_ID_SINGLE_ITEMS:
13519             text = "Drawing single items";
13520             break;
13521           case GADGET_ID_CONNECTED_ITEMS:
13522             text = "Drawing connected items";
13523             break;
13524           case GADGET_ID_LINE:
13525             text = "Drawing line";
13526             break;
13527           case GADGET_ID_ARC:
13528             text = "Drawing arc";
13529             break;
13530           case GADGET_ID_TEXT:
13531             text = "Setting text cursor";
13532             break;
13533           case GADGET_ID_RECTANGLE:
13534             text = "Drawing rectangle";
13535             break;
13536           case GADGET_ID_FILLED_BOX:
13537             text = "Drawing filled box";
13538             break;
13539           case GADGET_ID_FLOOD_FILL:
13540             text = "Flood fill";
13541             break;
13542           case GADGET_ID_GRAB_BRUSH:
13543             text = "Grabbing brush";
13544             break;
13545           case GADGET_ID_PICK_ELEMENT:
13546             text = "Picking element";
13547             break;
13548
13549           default:
13550             text = "Drawing position";
13551             break;
13552         }
13553
13554         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
13555           sprintf(infotext, "%s: %d, %d", text, lx, ly);
13556         else
13557           sprintf(infotext, "%s: %d, %d", text,
13558                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
13559       }
13560       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
13561         strncpy(infotext, getElementInfoText(Feld[lx][ly]), max_infotext_len);
13562       else
13563         sprintf(infotext, "Level position: %d, %d", lx, ly);
13564     }
13565
13566     /* misuse this function to draw brush cursor, if needed */
13567     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
13568     {
13569       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
13570         CopyBrushToCursor(sx, sy);
13571       else
13572         DeleteBrushFromCursor();
13573     }
13574   }
13575   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
13576   {
13577     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
13578     int element = drawingarea_info[type_id].value[pos];
13579
13580     strncpy(infotext, getElementInfoText(element), max_infotext_len);
13581   }
13582   else
13583   {
13584     if (id == GADGET_ID_CUSTOM_CONTENT)
13585       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
13586     else if (id == GADGET_ID_GROUP_CONTENT)
13587       sprintf(infotext, "group element position: %d", sx + 1);
13588     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
13589              id <= GADGET_ID_YAMYAM_CONTENT_7)
13590       sprintf(infotext, "content area %d position: %d, %d",
13591               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
13592     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
13593              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
13594       sprintf(infotext, "content area %d position: %d, %d",
13595               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
13596     else if (id == GADGET_ID_ANDROID_CONTENT)
13597       sprintf(infotext, "android element position: %d", sx + 1);
13598     else if (drawingarea_info[type_id].infotext != NULL)
13599       strcpy(infotext, drawingarea_info[type_id].infotext);
13600   }
13601
13602   infotext[max_infotext_len] = '\0';
13603
13604   if (strlen(infotext) > 0)
13605     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT, infotext);
13606 }
13607
13608 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
13609                             boolean quick_quit)
13610 {
13611   if (!ask_if_level_has_changed ||
13612       !LevelChanged() ||
13613       Request("Level has changed! Exit without saving?",
13614               REQ_ASK | REQ_STAY_OPEN))
13615   {
13616     struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
13617     struct RectWithBorder *vp_door_2 = &viewport.door_2[GAME_MODE_MAIN];
13618
13619     /* draw normal door */
13620     UndrawSpecialEditorDoor();
13621
13622     // close editor doors if viewport definition is the same as in main menu
13623     if (vp_door_1->x      == DX     &&
13624         vp_door_1->y      == DY     &&
13625         vp_door_1->width  == DXSIZE &&
13626         vp_door_1->height == DYSIZE &&
13627         vp_door_2->x      == VX     &&
13628         vp_door_2->y      == VY     &&
13629         vp_door_2->width  == VXSIZE &&
13630         vp_door_2->height == VYSIZE)
13631       CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
13632     else
13633       SetDoorState(DOOR_CLOSE_2);
13634
13635     BackToFront();
13636
13637     if (quick_quit)
13638       FadeSkipNextFadeIn();
13639
13640     SetGameStatus(GAME_MODE_MAIN);
13641
13642     DrawMainMenu();
13643   }
13644   else
13645   {
13646     if (!global.use_envelope_request)
13647     {
13648       CloseDoor(DOOR_CLOSE_1);
13649       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
13650     }
13651   }
13652 }