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 // screen and artwork graphic pixel position definitions
  30 // ----------------------------------------------------------------------------
  31
  32 // values for the control window
  33 #define ED_CTRL1_BUTTONS_HORIZ          4       // toolbox
  34 #define ED_CTRL1_BUTTONS_VERT           4
  35 #define ED_CTRL2_BUTTONS_HORIZ          3       // level
  36 #define ED_CTRL2_BUTTONS_VERT           2
  37 #define ED_CTRL3_BUTTONS_HORIZ          3       // CE and GE
  38 #define ED_CTRL3_BUTTONS_VERT           1
  39 #define ED_CTRL4_BUTTONS_HORIZ          2       // CE and GE
  40 #define ED_CTRL4_BUTTONS_VERT           1
  41 #define ED_CTRL5_BUTTONS_HORIZ          1       // properties
  42 #define ED_CTRL5_BUTTONS_VERT           1
  43 #define ED_CTRL6_BUTTONS_HORIZ          3       // properties
  44 #define ED_CTRL6_BUTTONS_VERT           1
  45 #define ED_CTRL7_BUTTONS_HORIZ          1       // palette
  46 #define ED_CTRL7_BUTTONS_VERT           1
  47
  48 #define ED_NUM_CTRL1_BUTTONS   (ED_CTRL1_BUTTONS_HORIZ * ED_CTRL1_BUTTONS_VERT)
  49 #define ED_NUM_CTRL2_BUTTONS   (ED_CTRL2_BUTTONS_HORIZ * ED_CTRL2_BUTTONS_VERT)
  50 #define ED_NUM_CTRL3_BUTTONS   (ED_CTRL3_BUTTONS_HORIZ * ED_CTRL3_BUTTONS_VERT)
  51 #define ED_NUM_CTRL4_BUTTONS   (ED_CTRL4_BUTTONS_HORIZ * ED_CTRL4_BUTTONS_VERT)
  52 #define ED_NUM_CTRL5_BUTTONS   (ED_CTRL5_BUTTONS_HORIZ * ED_CTRL5_BUTTONS_VERT)
  53 #define ED_NUM_CTRL6_BUTTONS   (ED_CTRL6_BUTTONS_HORIZ * ED_CTRL6_BUTTONS_VERT)
  54 #define ED_NUM_CTRL7_BUTTONS   (ED_CTRL7_BUTTONS_HORIZ * ED_CTRL7_BUTTONS_VERT)
  55 #define ED_NUM_CTRL1_2_BUTTONS (ED_NUM_CTRL1_BUTTONS   + ED_NUM_CTRL2_BUTTONS)
  56 #define ED_NUM_CTRL1_3_BUTTONS (ED_NUM_CTRL1_2_BUTTONS + ED_NUM_CTRL3_BUTTONS)
  57 #define ED_NUM_CTRL1_4_BUTTONS (ED_NUM_CTRL1_3_BUTTONS + ED_NUM_CTRL4_BUTTONS)
  58 #define ED_NUM_CTRL1_5_BUTTONS (ED_NUM_CTRL1_4_BUTTONS + ED_NUM_CTRL5_BUTTONS)
  59 #define ED_NUM_CTRL1_6_BUTTONS (ED_NUM_CTRL1_5_BUTTONS + ED_NUM_CTRL6_BUTTONS)
  60 #define ED_NUM_CTRL1_7_BUTTONS (ED_NUM_CTRL1_6_BUTTONS + ED_NUM_CTRL7_BUTTONS)
  61 #define ED_NUM_CTRL_BUTTONS    ED_NUM_CTRL1_7_BUTTONS
  62
  63 // values for the element list
  64 #define ED_ELEMENTLIST_XPOS             (editor.palette.x)
  65 #define ED_ELEMENTLIST_YPOS             (editor.palette.y)
  66 #define ED_ELEMENTLIST_XSIZE            (graphic_info[IMG_EDITOR_PALETTE_BUTTON].width)
  67 #define ED_ELEMENTLIST_YSIZE            (graphic_info[IMG_EDITOR_PALETTE_BUTTON].height)
  68 #define ED_ELEMENTLIST_COLS             MAX(1, editor.palette.cols)
  69 #define ED_ELEMENTLIST_ROWS             MAX(1, editor.palette.rows)
  70 #define ED_ELEMENTLIST_BUTTONS_HORIZ    (ED_ELEMENTLIST_COLS)
  71 #define ED_ELEMENTLIST_BUTTONS_VERT     (ED_ELEMENTLIST_ROWS)
  72 #define ED_NUM_ELEMENTLIST_BUTTONS      (ED_ELEMENTLIST_BUTTONS_HORIZ * \
  73                                          ED_ELEMENTLIST_BUTTONS_VERT)
  74
  75 // standard distances
  76 #define ED_GADGET_NORMAL_DISTANCE       (editor.gadget.normal_spacing)
  77 #define ED_GADGET_SMALL_DISTANCE        (editor.gadget.small_spacing)
  78 #define ED_GADGET_TINY_DISTANCE         (editor.gadget.tiny_spacing)
  79 #define ED_GADGET_LINE_DISTANCE         (editor.gadget.line_spacing)
  80 #define ED_GADGET_TEXT_DISTANCE         (editor.gadget.text_spacing)
  81 #define ED_TAB_BAR_HEIGHT               (editor.gadget.separator_line.height)
  82 #define ED_DRAWINGAREA_TEXT_DISTANCE    (ED_GADGET_TEXT_DISTANCE +      \
  83                                          ED_DRAWINGAREA_BORDER_SIZE)
  84 #define ED_GADGET_SPACE_DISTANCE        (getFontWidth(FONT_TEXT_1))
  85
  86 // values for drawingarea gadgets
  87 #define IMG_BORDER_1                    IMG_EDITOR_ELEMENT_BORDER
  88 #define IMG_BORDER_2                    IMG_EDITOR_ELEMENT_BORDER_INPUT
  89 #define ED_ELEMENT_BORDER               (graphic_info[IMG_BORDER_1].border_size)
  90 #define ED_DRAWINGAREA_BORDER_SIZE      (graphic_info[IMG_BORDER_2].border_size)
  91 #define ED_DRAWINGAREA_TILE_SIZE        (editor.drawingarea.tile_size)
  92
  93 // values for checkbutton gadgets
  94 #define ED_CHECKBUTTON_XSIZE         (graphic_info[IMG_EDITOR_CHECKBOX].width)
  95 #define ED_CHECKBUTTON_YSIZE         (graphic_info[IMG_EDITOR_CHECKBOX].height)
  96
  97 #define ED_TABBUTTON_XSIZE           (graphic_info[IMG_EDITOR_TABBUTTON].width)
  98 #define ED_TABBUTTON_YSIZE           (graphic_info[IMG_EDITOR_TABBUTTON].height)
  99
 100 #define ED_SETTINGS_LEVEL_TABS_X        (editor.settings.tabs.x)
 101 #define ED_SETTINGS_LEVEL_TABS_Y        (editor.settings.tabs.y)
 102 #define ED_SETTINGS_ELEMENT_TABS_X      (editor.settings.tabs.x)
 103 #define ED_SETTINGS_ELEMENT_TABS_Y      (editor.settings.tabs.y +       \
 104                                          editor.settings.tabs.yoffset2)
 105
 106 #define ED_SETTINGS_TABS_XOFFSET        (editor.settings.tabs.draw_xoffset)
 107 #define ED_SETTINGS_TABS_YOFFSET        (editor.settings.tabs.draw_yoffset)
 108
 109 #define ED_LEVEL_TABS_XSTART            (ED_SETTINGS_LEVEL_TABS_X)
 110 #define ED_LEVEL_TABS_YSTART            (ED_SETTINGS_LEVEL_TABS_Y)
 111 #define ED_LEVEL_SETTINGS_XSTART        (ED_SETTINGS_LEVEL_TABS_X +     \
 112                                          ED_SETTINGS_TABS_XOFFSET)
 113 #define ED_LEVEL_SETTINGS_YSTART        (ED_SETTINGS_LEVEL_TABS_Y +     \
 114                                          ED_TABBUTTON_YSIZE +           \
 115                                          ED_GADGET_TINY_DISTANCE +      \
 116                                          ED_TAB_BAR_HEIGHT +            \
 117                                          ED_SETTINGS_TABS_YOFFSET +     \
 118                                          getFontHeight(FONT_TEXT_1) +   \
 119                                          ED_GADGET_TEXT_DISTANCE)
 120 #define ED_ELEMENT_TABS_XSTART          (ED_SETTINGS_ELEMENT_TABS_X)
 121 #define ED_ELEMENT_TABS_YSTART          (ED_SETTINGS_ELEMENT_TABS_Y)
 122 #define ED_ELEMENT_SETTINGS_XSTART      (ED_SETTINGS_ELEMENT_TABS_X +   \
 123                                          ED_SETTINGS_TABS_XOFFSET)
 124 #define ED_ELEMENT_SETTINGS_YSTART      (ED_SETTINGS_ELEMENT_TABS_Y +   \
 125                                          ED_TABBUTTON_YSIZE +           \
 126                                          ED_GADGET_TINY_DISTANCE +      \
 127                                          ED_TAB_BAR_HEIGHT +            \
 128                                          ED_SETTINGS_TABS_YOFFSET)
 129
 130 #define ED_SETTINGS_XOFFSET             (ED_CHECKBUTTON_XSIZE +         \
 131                                          ED_GADGET_TEXT_DISTANCE)
 132 #define ED_SETTINGS_YOFFSET             (ED_CHECKBUTTON_YSIZE +         \
 133                                          ED_GADGET_LINE_DISTANCE)
 134
 135 #define ED_POS_RANGE                    (10000)
 136 #define ED_POS_LEVEL_TABS_FIRST         (1 * ED_POS_RANGE)
 137 #define ED_POS_LEVEL_TABS_LAST          (2 * ED_POS_RANGE - 1)
 138 #define ED_POS_LEVEL_SETTINGS_FIRST     (2 * ED_POS_RANGE)
 139 #define ED_POS_LEVEL_SETTINGS_LAST      (3 * ED_POS_RANGE - 1)
 140 #define ED_POS_ELEMENT_TABS_FIRST       (3 * ED_POS_RANGE)
 141 #define ED_POS_ELEMENT_TABS_LAST        (4 * ED_POS_RANGE - 1)
 142 #define ED_POS_ELEMENT_SETTINGS_FIRST   (4 * ED_POS_RANGE)
 143 #define ED_POS_ELEMENT_SETTINGS_LAST    (5 * ED_POS_RANGE - 1)
 144
 145 #define ED_LEVEL_TABS_XPOS(n)           (ED_POS_LEVEL_TABS_FIRST + (n))
 146 #define ED_LEVEL_TABS_YPOS(n)           (ED_POS_LEVEL_TABS_FIRST + (n))
 147
 148 #define ED_LEVEL_SETTINGS_XPOS(n)       (ED_POS_LEVEL_SETTINGS_FIRST + (n))
 149 #define ED_LEVEL_SETTINGS_YPOS(n)       (ED_POS_LEVEL_SETTINGS_FIRST + (n))
 150
 151 #define ED_ELEMENT_TABS_XPOS(n)         (ED_POS_ELEMENT_TABS_FIRST + (n))
 152 #define ED_ELEMENT_TABS_YPOS(n)         (ED_POS_ELEMENT_TABS_FIRST + (n))
 153
 154 #define ED_ELEMENT_SETTINGS_XPOS(n)     (ED_POS_ELEMENT_SETTINGS_FIRST + (n))
 155 #define ED_ELEMENT_SETTINGS_YPOS(n)     (ED_POS_ELEMENT_SETTINGS_FIRST + (n))
 156
 157 #define IS_POS_LEVEL_TABS(n)          ((n) >= ED_POS_LEVEL_TABS_FIRST && \
 158                                        (n) <= ED_POS_LEVEL_TABS_LAST)
 159 #define IS_POS_LEVEL_SETTINGS(n)      ((n) >= ED_POS_LEVEL_SETTINGS_FIRST && \
 160                                        (n) <= ED_POS_LEVEL_SETTINGS_LAST)
 161 #define IS_POS_ELEMENT_TABS(n)        ((n) >= ED_POS_ELEMENT_TABS_FIRST && \
 162                                        (n) <= ED_POS_ELEMENT_TABS_LAST)
 163 #define IS_POS_ELEMENT_SETTINGS(n)    ((n) >= ED_POS_ELEMENT_SETTINGS_FIRST && \
 164                                        (n) <= ED_POS_ELEMENT_SETTINGS_LAST)
 165
 166 #define ED_LEVEL_TABS_LINE(n)           ((n) - ED_POS_LEVEL_TABS_FIRST)
 167 #define ED_LEVEL_SETTINGS_LINE(n)       ((n) - ED_POS_LEVEL_SETTINGS_FIRST)
 168 #define ED_ELEMENT_TABS_LINE(n)         ((n) - ED_POS_ELEMENT_TABS_FIRST)
 169 #define ED_ELEMENT_SETTINGS_LINE(n)     ((n) - ED_POS_ELEMENT_SETTINGS_FIRST)
 170
 171 #define ED_LEVEL_TABS_X(n)              (ED_LEVEL_TABS_XSTART + \
 172                                          (n) * ED_SETTINGS_TABS_XOFFSET)
 173 #define ED_LEVEL_TABS_Y(n)              (ED_LEVEL_TABS_YSTART + \
 174                                          (n) * ED_SETTINGS_TABS_YOFFSET)
 175
 176 #define ED_LEVEL_SETTINGS_X(n)          (ED_LEVEL_SETTINGS_XSTART +     \
 177                                          (n) * ED_SETTINGS_XOFFSET)
 178 #define ED_LEVEL_SETTINGS_Y(n)          (ED_LEVEL_SETTINGS_YSTART +     \
 179                                          (n) * ED_SETTINGS_YOFFSET)
 180
 181 #define ED_ELEMENT_TABS_X(n)            (ED_ELEMENT_TABS_XSTART +       \
 182                                          (n) * ED_SETTINGS_TABS_XOFFSET)
 183 #define ED_ELEMENT_TABS_Y(n)            (ED_ELEMENT_TABS_YSTART +       \
 184                                          (n) * ED_SETTINGS_TABS_YOFFSET)
 185
 186 #define ED_ELEMENT_SETTINGS_X(n)        (ED_ELEMENT_SETTINGS_XSTART +   \
 187                                          (n) * ED_SETTINGS_XOFFSET)
 188 #define ED_ELEMENT_SETTINGS_Y(n)        (ED_ELEMENT_SETTINGS_YSTART +   \
 189                                          (n) * ED_SETTINGS_YOFFSET)
 190
 191 #define ED_POS_TO_LEVEL_TABS_X(n)       \
 192   (ED_LEVEL_TABS_X(ED_LEVEL_TABS_LINE(n)))
 193 #define ED_POS_TO_LEVEL_TABS_Y(n)       \
 194   (ED_LEVEL_TABS_Y(ED_LEVEL_TABS_LINE(n)))
 195
 196 #define ED_POS_TO_LEVEL_SETTINGS_X(n)   \
 197   (ED_LEVEL_SETTINGS_X(ED_LEVEL_SETTINGS_LINE(n)))
 198 #define ED_POS_TO_LEVEL_SETTINGS_Y(n)   \
 199   (ED_LEVEL_SETTINGS_Y(ED_LEVEL_SETTINGS_LINE(n)))
 200
 201 #define ED_POS_TO_ELEMENT_TABS_X(n)     \
 202   (ED_ELEMENT_TABS_X(ED_ELEMENT_TABS_LINE(n)))
 203 #define ED_POS_TO_ELEMENT_TABS_Y(n)     \
 204   (ED_ELEMENT_TABS_Y(ED_ELEMENT_TABS_LINE(n)))
 205
 206 #define ED_POS_TO_ELEMENT_SETTINGS_X(n) \
 207   (ED_ELEMENT_SETTINGS_X(ED_ELEMENT_SETTINGS_LINE(n)))
 208 #define ED_POS_TO_ELEMENT_SETTINGS_Y(n) \
 209   (ED_ELEMENT_SETTINGS_Y(ED_ELEMENT_SETTINGS_LINE(n)))
 210
 211 #define ED_SETTINGS_X(n)                (IS_POS_LEVEL_TABS(n) ? \
 212                                          ED_POS_TO_LEVEL_TABS_X(n) : \
 213                                          IS_POS_LEVEL_SETTINGS(n) ?     \
 214                                          ED_POS_TO_LEVEL_SETTINGS_X(n) : \
 215                                          IS_POS_ELEMENT_TABS(n) ?       \
 216                                          ED_POS_TO_ELEMENT_TABS_X(n) : \
 217                                          IS_POS_ELEMENT_SETTINGS(n) ?   \
 218                                          ED_POS_TO_ELEMENT_SETTINGS_X(n) : (n))
 219 #define ED_SETTINGS_Y(n)                (IS_POS_LEVEL_TABS(n) ? \
 220                                          ED_POS_TO_LEVEL_TABS_Y(n) : \
 221                                          IS_POS_LEVEL_SETTINGS(n) ?     \
 222                                          ED_POS_TO_LEVEL_SETTINGS_Y(n) : \
 223                                          IS_POS_ELEMENT_TABS(n) ?       \
 224                                          ED_POS_TO_ELEMENT_TABS_Y(n) : \
 225                                          IS_POS_ELEMENT_SETTINGS(n) ?   \
 226                                          ED_POS_TO_ELEMENT_SETTINGS_Y(n) : (n))
 227
 228 #define ED_SETTINGS_XOFF(n)             (5 * ((n) % 4) *                \
 229                                          ED_DRAWINGAREA_TILE_SIZE)
 230 #define ED_SETTINGS_YOFF(n)             (5 * ((n) / 4) *                \
 231                                          ED_DRAWINGAREA_TILE_SIZE)
 232
 233 #define ED_AREA_XOFFSET_1(n)            ((n) != 0 ?                     \
 234                                          ED_DRAWINGAREA_BORDER_SIZE : 0)
 235 #define ED_AREA_YOFFSET_1(n)            ((n) != 0 ?                     \
 236                                          (ED_CHECKBUTTON_YSIZE -        \
 237                                           ED_DRAWINGAREA_TILE_SIZE) / 2 : 0)
 238
 239 #define ED_AREA_XOFFSET_2(n)      (0)
 240 #define ED_AREA_YOFFSET_2(n)      ((n) == 3 ?                   \
 241                                    ((n) - 1) * ED_DRAWINGAREA_TILE_SIZE / 2 : 0)
 242
 243 #define ED_AREA_SETTINGS_X(i)      (ED_SETTINGS_X((i).x) +              \
 244                                     ED_SETTINGS_XOFF((i).xoffset) +     \
 245                                     ED_AREA_XOFFSET_1((i).x) -          \
 246                                     ED_AREA_XOFFSET_2((i).area_xsize))
 247 #define ED_AREA_SETTINGS_Y(i)      (ED_SETTINGS_Y((i).y) +              \
 248                                     ED_SETTINGS_YOFF((i).yoffset) +     \
 249                                     ED_AREA_YOFFSET_1((i).y) -          \
 250                                     ED_AREA_YOFFSET_2((i).area_ysize))
 251
 252 // values for element content drawing areas
 253 #define ED_AREA_1X1_LSETTINGS_XPOS(n)   ED_LEVEL_SETTINGS_XPOS(n)
 254 #define ED_AREA_1X1_LSETTINGS_YPOS(n)   ED_LEVEL_SETTINGS_YPOS(n)
 255 #define ED_AREA_1X1_LSETTINGS_XOFF      (0)
 256 #define ED_AREA_1X1_LSETTINGS_YOFF      (0)
 257
 258 #define ED_AREA_1X1_SETTINGS_XPOS(n)    ED_ELEMENT_SETTINGS_XPOS(n)
 259 #define ED_AREA_1X1_SETTINGS_YPOS(n)    ED_ELEMENT_SETTINGS_YPOS(n)
 260 #define ED_AREA_1X1_SETTINGS_XOFF       (0)
 261 #define ED_AREA_1X1_SETTINGS_YOFF       (0)
 262
 263 #define ED_AREA_3X3_SETTINGS_XPOS(n)    ED_ELEMENT_SETTINGS_XPOS(n)
 264 #define ED_AREA_3X3_SETTINGS_YPOS(n)    ED_ELEMENT_SETTINGS_YPOS(n)
 265 #define ED_AREA_3X3_SETTINGS_XOFF       (0)
 266 #define ED_AREA_3X3_SETTINGS_YOFF       (0)
 267
 268 // element content
 269 #define ED_AREA_ELEMENT_CONTENT_XOFF(n) (n)
 270 #define ED_AREA_ELEMENT_CONTENT_YOFF(n) (n)
 271
 272 // yamyam content
 273 #define ED_XPOS_YAM                     0
 274 #define ED_YPOS_YAM                     5
 275 #define ED_AREA_YAMYAM_CONTENT_XPOS     ED_ELEMENT_SETTINGS_XPOS(ED_XPOS_YAM)
 276 #define ED_AREA_YAMYAM_CONTENT_YPOS     ED_ELEMENT_SETTINGS_YPOS(ED_YPOS_YAM)
 277 #define ED_AREA_YAMYAM_CONTENT_XOFF(n)  ED_AREA_ELEMENT_CONTENT_XOFF(n)
 278 #define ED_AREA_YAMYAM_CONTENT_YOFF(n)  ED_AREA_ELEMENT_CONTENT_YOFF(n)
 279 #define ED_AREA_YAMYAM_CONTENT_X(n)     (ED_ELEMENT_SETTINGS_X(ED_XPOS_YAM) + \
 280                                          ED_SETTINGS_XOFF(n))
 281 #define ED_AREA_YAMYAM_CONTENT_Y(n)     (ED_ELEMENT_SETTINGS_Y(ED_YPOS_YAM) + \
 282                                          ED_SETTINGS_YOFF(n) +          \
 283                                          ED_AREA_YOFFSET_1(ED_YPOS_YAM) - \
 284                                          ED_AREA_YOFFSET_2(3))
 285
 286 // magic ball content
 287 #define ED_XPOS_BALL                    0
 288 #define ED_YPOS_BALL                    6
 289 #define ED_AREA_MAGIC_BALL_CONTENT_XPOS ED_ELEMENT_SETTINGS_XPOS(ED_XPOS_BALL)
 290 #define ED_AREA_MAGIC_BALL_CONTENT_YPOS ED_ELEMENT_SETTINGS_YPOS(ED_YPOS_BALL)
 291 #define ED_AREA_MAGIC_BALL_CONTENT_XOFF(n) ED_AREA_ELEMENT_CONTENT_XOFF(n)
 292 #define ED_AREA_MAGIC_BALL_CONTENT_YOFF(n) ED_AREA_ELEMENT_CONTENT_YOFF(n)
 293 #define ED_AREA_MAGIC_BALL_CONTENT_X(n) (ED_ELEMENT_SETTINGS_X(ED_XPOS_BALL) + \
 294                                          ED_SETTINGS_XOFF(n))
 295 #define ED_AREA_MAGIC_BALL_CONTENT_Y(n) (ED_ELEMENT_SETTINGS_Y(ED_YPOS_BALL) + \
 296                                          ED_SETTINGS_YOFF(n) +          \
 297                                          ED_AREA_YOFFSET_1(ED_YPOS_BALL) - \
 298                                          ED_AREA_YOFFSET_2(3))
 299
 300 // values for scrolling gadgets for drawing area
 301 #define ED_SCROLLBUTTON_XSIZE           (graphic_info[IMG_EDITOR_PLAYFIELD_SCROLLBAR].width)
 302 #define ED_SCROLLBUTTON_YSIZE           (graphic_info[IMG_EDITOR_PLAYFIELD_SCROLLBAR].height)
 303
 304 #define ED_SCROLL_UP_XPOS               (SXSIZE - ED_SCROLLBUTTON_XSIZE)
 305 #define ED_SCROLL_UP_YPOS               (0)
 306 #define ED_SCROLL_DOWN_XPOS             ED_SCROLL_UP_XPOS
 307 #define ED_SCROLL_DOWN_YPOS             (SYSIZE - 3 * ED_SCROLLBUTTON_YSIZE)
 308 #define ED_SCROLL_LEFT_XPOS             (0)
 309 #define ED_SCROLL_LEFT_YPOS             (SYSIZE - 2 * ED_SCROLLBUTTON_YSIZE)
 310 #define ED_SCROLL_RIGHT_XPOS            (SXSIZE - 2 * ED_SCROLLBUTTON_XSIZE)
 311 #define ED_SCROLL_RIGHT_YPOS            ED_SCROLL_LEFT_YPOS
 312 #define ED_SCROLL_HORIZONTAL_XPOS       (ED_SCROLL_LEFT_XPOS +          \
 313                                          ED_SCROLLBUTTON_XSIZE)
 314 #define ED_SCROLL_HORIZONTAL_YPOS       ED_SCROLL_LEFT_YPOS
 315 #define ED_SCROLL_HORIZONTAL_XSIZE      (SXSIZE - 3 * ED_SCROLLBUTTON_XSIZE)
 316 #define ED_SCROLL_HORIZONTAL_YSIZE      ED_SCROLLBUTTON_YSIZE
 317 #define ED_SCROLL_VERTICAL_XPOS         ED_SCROLL_UP_XPOS
 318 #define ED_SCROLL_VERTICAL_YPOS         (ED_SCROLL_UP_YPOS +            \
 319                                          ED_SCROLLBUTTON_YSIZE)
 320 #define ED_SCROLL_VERTICAL_XSIZE        ED_SCROLLBUTTON_XSIZE
 321 #define ED_SCROLL_VERTICAL_YSIZE        (SYSIZE - 4 * ED_SCROLLBUTTON_YSIZE)
 322
 323 // values for scrolling gadgets for element list
 324 #define ED_SCROLLBUTTON2_XSIZE          (graphic_info[IMG_EDITOR_PALETTE_SCROLL_UP].width)
 325 #define ED_SCROLLBUTTON2_YSIZE          (graphic_info[IMG_EDITOR_PALETTE_SCROLL_UP].height)
 326
 327 #define ED_SCROLL2_UP_XPOS              (ED_ELEMENTLIST_XPOS +          \
 328                                          ED_ELEMENTLIST_BUTTONS_HORIZ * \
 329                                          ED_ELEMENTLIST_XSIZE)
 330 #define ED_SCROLL2_UP_YPOS              ED_ELEMENTLIST_YPOS
 331 #define ED_SCROLL2_DOWN_XPOS            ED_SCROLL2_UP_XPOS
 332 #define ED_SCROLL2_DOWN_YPOS            (ED_SCROLL2_UP_YPOS +           \
 333                                          ED_ELEMENTLIST_BUTTONS_VERT *  \
 334                                          ED_ELEMENTLIST_YSIZE -         \
 335                                          ED_SCROLLBUTTON2_YSIZE)
 336 #define ED_SCROLL2_VERTICAL_XPOS        ED_SCROLL2_UP_XPOS
 337 #define ED_SCROLL2_VERTICAL_YPOS        (ED_SCROLL2_UP_YPOS +           \
 338                                          ED_SCROLLBUTTON2_YSIZE)
 339 #define ED_SCROLL2_VERTICAL_XSIZE       ED_SCROLLBUTTON2_XSIZE
 340 #define ED_SCROLL2_VERTICAL_YSIZE       (ED_ELEMENTLIST_BUTTONS_VERT *  \
 341                                          ED_ELEMENTLIST_YSIZE -         \
 342                                          2 * ED_SCROLLBUTTON2_YSIZE)
 343
 344 // values for ClearEditorGadgetInfoText() and HandleEditorGadgetInfoText()
 345 #define INFOTEXT_FONT           FONT_TEXT_2
 346 #define INFOTEXT_XSIZE          SXSIZE
 347 #define INFOTEXT_YSIZE          getFontHeight(INFOTEXT_FONT)
 348 #define INFOTEXT_YSIZE_FULL     (INFOTEXT_YSIZE + ED_GADGET_SMALL_DISTANCE)
 349 #define INFOTEXT_X              (editor.settings.tooltip.x)
 350 #define INFOTEXT_Y              (editor.settings.tooltip.y)
 351 #define INFOTEXT_XY_REDEFINED   (INFOTEXT_X != -1 || INFOTEXT_Y != -1)
 352 #define INFOTEXT_XPOS           SX + (INFOTEXT_XY_REDEFINED ? INFOTEXT_X : 0)
 353 #define INFOTEXT_YPOS           SY + (INFOTEXT_XY_REDEFINED ? INFOTEXT_Y : \
 354                                       SYSIZE - INFOTEXT_YSIZE)
 355
 356
 357 // ----------------------------------------------------------------------------
 358 // editor gadget definitions
 359 // ----------------------------------------------------------------------------
 360
 361 enum
 362 {
 363   GADGET_ID_NONE = -1,
 364
 365   // drawing toolbox buttons
 366
 367   GADGET_ID_SINGLE_ITEMS,
 368   GADGET_ID_CONNECTED_ITEMS,
 369   GADGET_ID_LINE,
 370   GADGET_ID_ARC,
 371   GADGET_ID_RECTANGLE,
 372   GADGET_ID_FILLED_BOX,
 373   GADGET_ID_WRAP_UP,
 374   GADGET_ID_TEXT,
 375   GADGET_ID_FLOOD_FILL,
 376   GADGET_ID_WRAP_LEFT,
 377   GADGET_ID_ZOOM,
 378   GADGET_ID_WRAP_RIGHT,
 379   GADGET_ID_RANDOM_PLACEMENT,
 380   GADGET_ID_GRAB_BRUSH,
 381   GADGET_ID_WRAP_DOWN,
 382   GADGET_ID_PICK_ELEMENT,
 383
 384   GADGET_ID_UNDO,
 385   GADGET_ID_INFO,
 386   GADGET_ID_SAVE,
 387   GADGET_ID_CLEAR,
 388   GADGET_ID_TEST,
 389   GADGET_ID_EXIT,
 390
 391   GADGET_ID_CUSTOM_COPY_FROM,
 392   GADGET_ID_CUSTOM_COPY_TO,
 393   GADGET_ID_CUSTOM_EXCHANGE,
 394   GADGET_ID_CUSTOM_COPY,
 395   GADGET_ID_CUSTOM_PASTE,
 396
 397   GADGET_ID_PROPERTIES,
 398   GADGET_ID_ELEMENT_LEFT,
 399   GADGET_ID_ELEMENT_MIDDLE,
 400   GADGET_ID_ELEMENT_RIGHT,
 401   GADGET_ID_PALETTE,
 402
 403   // counter gadget identifiers
 404
 405   GADGET_ID_SELECT_LEVEL_DOWN,
 406   GADGET_ID_SELECT_LEVEL_TEXT,
 407   GADGET_ID_SELECT_LEVEL_UP,
 408   GADGET_ID_LEVEL_XSIZE_DOWN,
 409   GADGET_ID_LEVEL_XSIZE_TEXT,
 410   GADGET_ID_LEVEL_XSIZE_UP,
 411   GADGET_ID_LEVEL_YSIZE_DOWN,
 412   GADGET_ID_LEVEL_YSIZE_TEXT,
 413   GADGET_ID_LEVEL_YSIZE_UP,
 414   GADGET_ID_LEVEL_RANDOM_DOWN,
 415   GADGET_ID_LEVEL_RANDOM_TEXT,
 416   GADGET_ID_LEVEL_RANDOM_UP,
 417   GADGET_ID_LEVEL_GEMSLIMIT_DOWN,
 418   GADGET_ID_LEVEL_GEMSLIMIT_TEXT,
 419   GADGET_ID_LEVEL_GEMSLIMIT_UP,
 420   GADGET_ID_LEVEL_TIMELIMIT_DOWN,
 421   GADGET_ID_LEVEL_TIMELIMIT_TEXT,
 422   GADGET_ID_LEVEL_TIMELIMIT_UP,
 423   GADGET_ID_LEVEL_TIMESCORE_DOWN,
 424   GADGET_ID_LEVEL_TIMESCORE_TEXT,
 425   GADGET_ID_LEVEL_TIMESCORE_UP,
 426   GADGET_ID_LEVEL_RANDOM_SEED_DOWN,
 427   GADGET_ID_LEVEL_RANDOM_SEED_TEXT,
 428   GADGET_ID_LEVEL_RANDOM_SEED_UP,
 429   GADGET_ID_LEVELSET_NUM_LEVELS_DOWN,
 430   GADGET_ID_LEVELSET_NUM_LEVELS_TEXT,
 431   GADGET_ID_LEVELSET_NUM_LEVELS_UP,
 432   GADGET_ID_ELEMENT_VALUE1_DOWN,
 433   GADGET_ID_ELEMENT_VALUE1_TEXT,
 434   GADGET_ID_ELEMENT_VALUE1_UP,
 435   GADGET_ID_ELEMENT_VALUE2_DOWN,
 436   GADGET_ID_ELEMENT_VALUE2_TEXT,
 437   GADGET_ID_ELEMENT_VALUE2_UP,
 438   GADGET_ID_ELEMENT_VALUE3_DOWN,
 439   GADGET_ID_ELEMENT_VALUE3_TEXT,
 440   GADGET_ID_ELEMENT_VALUE3_UP,
 441   GADGET_ID_ELEMENT_VALUE4_DOWN,
 442   GADGET_ID_ELEMENT_VALUE4_TEXT,
 443   GADGET_ID_ELEMENT_VALUE4_UP,
 444   GADGET_ID_YAMYAM_CONTENT_DOWN,
 445   GADGET_ID_YAMYAM_CONTENT_TEXT,
 446   GADGET_ID_YAMYAM_CONTENT_UP,
 447   GADGET_ID_BALL_CONTENT_DOWN,
 448   GADGET_ID_BALL_CONTENT_TEXT,
 449   GADGET_ID_BALL_CONTENT_UP,
 450   GADGET_ID_ANDROID_CONTENT_DOWN,
 451   GADGET_ID_ANDROID_CONTENT_TEXT,
 452   GADGET_ID_ANDROID_CONTENT_UP,
 453   GADGET_ID_ENVELOPE_XSIZE_DOWN,
 454   GADGET_ID_ENVELOPE_XSIZE_TEXT,
 455   GADGET_ID_ENVELOPE_XSIZE_UP,
 456   GADGET_ID_ENVELOPE_YSIZE_DOWN,
 457   GADGET_ID_ENVELOPE_YSIZE_TEXT,
 458   GADGET_ID_ENVELOPE_YSIZE_UP,
 459   GADGET_ID_INVENTORY_SIZE_DOWN,
 460   GADGET_ID_INVENTORY_SIZE_TEXT,
 461   GADGET_ID_INVENTORY_SIZE_UP,
 462   GADGET_ID_CUSTOM_SCORE_DOWN,
 463   GADGET_ID_CUSTOM_SCORE_TEXT,
 464   GADGET_ID_CUSTOM_SCORE_UP,
 465   GADGET_ID_CUSTOM_GEMCOUNT_DOWN,
 466   GADGET_ID_CUSTOM_GEMCOUNT_TEXT,
 467   GADGET_ID_CUSTOM_GEMCOUNT_UP,
 468   GADGET_ID_CUSTOM_VALUE_FIX_DOWN,
 469   GADGET_ID_CUSTOM_VALUE_FIX_TEXT,
 470   GADGET_ID_CUSTOM_VALUE_FIX_UP,
 471   GADGET_ID_CUSTOM_VALUE_RND_DOWN,
 472   GADGET_ID_CUSTOM_VALUE_RND_TEXT,
 473   GADGET_ID_CUSTOM_VALUE_RND_UP,
 474   GADGET_ID_PUSH_DELAY_FIX_DOWN,
 475   GADGET_ID_PUSH_DELAY_FIX_TEXT,
 476   GADGET_ID_PUSH_DELAY_FIX_UP,
 477   GADGET_ID_PUSH_DELAY_RND_DOWN,
 478   GADGET_ID_PUSH_DELAY_RND_TEXT,
 479   GADGET_ID_PUSH_DELAY_RND_UP,
 480   GADGET_ID_DROP_DELAY_FIX_DOWN,
 481   GADGET_ID_DROP_DELAY_FIX_TEXT,
 482   GADGET_ID_DROP_DELAY_FIX_UP,
 483   GADGET_ID_DROP_DELAY_RND_DOWN,
 484   GADGET_ID_DROP_DELAY_RND_TEXT,
 485   GADGET_ID_DROP_DELAY_RND_UP,
 486   GADGET_ID_MOVE_DELAY_FIX_DOWN,
 487   GADGET_ID_MOVE_DELAY_FIX_TEXT,
 488   GADGET_ID_MOVE_DELAY_FIX_UP,
 489   GADGET_ID_MOVE_DELAY_RND_DOWN,
 490   GADGET_ID_MOVE_DELAY_RND_TEXT,
 491   GADGET_ID_MOVE_DELAY_RND_UP,
 492   GADGET_ID_EXPLOSION_DELAY_DOWN,
 493   GADGET_ID_EXPLOSION_DELAY_TEXT,
 494   GADGET_ID_EXPLOSION_DELAY_UP,
 495   GADGET_ID_IGNITION_DELAY_DOWN,
 496   GADGET_ID_IGNITION_DELAY_TEXT,
 497   GADGET_ID_IGNITION_DELAY_UP,
 498   GADGET_ID_CHANGE_DELAY_FIX_DOWN,
 499   GADGET_ID_CHANGE_DELAY_FIX_TEXT,
 500   GADGET_ID_CHANGE_DELAY_FIX_UP,
 501   GADGET_ID_CHANGE_DELAY_RND_DOWN,
 502   GADGET_ID_CHANGE_DELAY_RND_TEXT,
 503   GADGET_ID_CHANGE_DELAY_RND_UP,
 504   GADGET_ID_CHANGE_CONT_RND_DOWN,
 505   GADGET_ID_CHANGE_CONT_RND_TEXT,
 506   GADGET_ID_CHANGE_CONT_RND_UP,
 507   GADGET_ID_GROUP_CONTENT_DOWN,
 508   GADGET_ID_GROUP_CONTENT_TEXT,
 509   GADGET_ID_GROUP_CONTENT_UP,
 510
 511   // drawing area identifiers
 512
 513   GADGET_ID_DRAWING_LEVEL,
 514   GADGET_ID_YAMYAM_CONTENT_0,
 515   GADGET_ID_YAMYAM_CONTENT_1,
 516   GADGET_ID_YAMYAM_CONTENT_2,
 517   GADGET_ID_YAMYAM_CONTENT_3,
 518   GADGET_ID_YAMYAM_CONTENT_4,
 519   GADGET_ID_YAMYAM_CONTENT_5,
 520   GADGET_ID_YAMYAM_CONTENT_6,
 521   GADGET_ID_YAMYAM_CONTENT_7,
 522   GADGET_ID_MAGIC_BALL_CONTENT_0,
 523   GADGET_ID_MAGIC_BALL_CONTENT_1,
 524   GADGET_ID_MAGIC_BALL_CONTENT_2,
 525   GADGET_ID_MAGIC_BALL_CONTENT_3,
 526   GADGET_ID_MAGIC_BALL_CONTENT_4,
 527   GADGET_ID_MAGIC_BALL_CONTENT_5,
 528   GADGET_ID_MAGIC_BALL_CONTENT_6,
 529   GADGET_ID_MAGIC_BALL_CONTENT_7,
 530   GADGET_ID_ANDROID_CONTENT,
 531   GADGET_ID_AMOEBA_CONTENT,
 532   GADGET_ID_START_ELEMENT,
 533   GADGET_ID_ARTWORK_ELEMENT,
 534   GADGET_ID_EXPLOSION_ELEMENT,
 535   GADGET_ID_INVENTORY_CONTENT,
 536   GADGET_ID_CUSTOM_GRAPHIC,
 537   GADGET_ID_CUSTOM_CONTENT,
 538   GADGET_ID_CUSTOM_MOVE_ENTER,
 539   GADGET_ID_CUSTOM_MOVE_LEAVE,
 540   GADGET_ID_CUSTOM_CHANGE_TARGET,
 541   GADGET_ID_CUSTOM_CHANGE_CONTENT,
 542   GADGET_ID_CUSTOM_CHANGE_TRIGGER,
 543   GADGET_ID_CUSTOM_CHANGE_ACTION,
 544   GADGET_ID_GROUP_CONTENT,
 545   GADGET_ID_RANDOM_BACKGROUND,
 546
 547   // text input identifiers
 548
 549   GADGET_ID_LEVEL_NAME,
 550   GADGET_ID_LEVEL_AUTHOR,
 551   GADGET_ID_LEVELSET_NAME,
 552   GADGET_ID_LEVELSET_AUTHOR,
 553   GADGET_ID_ELEMENT_NAME,
 554
 555   // text area identifiers
 556
 557   GADGET_ID_ENVELOPE_INFO,
 558
 559   // selectbox identifiers
 560
 561   GADGET_ID_TIME_OR_STEPS,
 562   GADGET_ID_GAME_ENGINE_TYPE,
 563   GADGET_ID_LEVELSET_SAVE_MODE,
 564   GADGET_ID_WIND_DIRECTION,
 565   GADGET_ID_PLAYER_SPEED,
 566   GADGET_ID_CUSTOM_WALK_TO_ACTION,
 567   GADGET_ID_CUSTOM_EXPLOSION_TYPE,
 568   GADGET_ID_CUSTOM_DEADLINESS,
 569   GADGET_ID_CUSTOM_MOVE_PATTERN,
 570   GADGET_ID_CUSTOM_MOVE_DIRECTION,
 571   GADGET_ID_CUSTOM_MOVE_STEPSIZE,
 572   GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
 573   GADGET_ID_CUSTOM_SMASH_TARGETS,
 574   GADGET_ID_CUSTOM_SLIPPERY_TYPE,
 575   GADGET_ID_CUSTOM_ACCESS_TYPE,
 576   GADGET_ID_CUSTOM_ACCESS_LAYER,
 577   GADGET_ID_CUSTOM_ACCESS_PROTECTED,
 578   GADGET_ID_CUSTOM_ACCESS_DIRECTION,
 579   GADGET_ID_CHANGE_TIME_UNITS,
 580   GADGET_ID_CHANGE_DIRECT_ACTION,
 581   GADGET_ID_CHANGE_OTHER_ACTION,
 582   GADGET_ID_CHANGE_SIDE,
 583   GADGET_ID_CHANGE_PLAYER,
 584   GADGET_ID_CHANGE_PAGE,
 585   GADGET_ID_CHANGE_REPLACE_WHEN,
 586   GADGET_ID_ACTION_TYPE,
 587   GADGET_ID_ACTION_MODE,
 588   GADGET_ID_ACTION_ARG,
 589   GADGET_ID_SELECT_CHANGE_PAGE,
 590   GADGET_ID_GROUP_CHOICE_MODE,
 591
 592   // textbutton identifiers
 593
 594   GADGET_ID_LEVELINFO_LEVEL,
 595   GADGET_ID_LEVELINFO_LEVELSET,
 596   GADGET_ID_LEVELINFO_EDITOR,
 597   GADGET_ID_PROPERTIES_INFO,
 598   GADGET_ID_PROPERTIES_CONFIG,
 599   GADGET_ID_PROPERTIES_CONFIG_1,
 600   GADGET_ID_PROPERTIES_CONFIG_2,
 601   GADGET_ID_PROPERTIES_CHANGE,
 602   GADGET_ID_SAVE_AS_TEMPLATE_1,
 603   GADGET_ID_SAVE_AS_TEMPLATE_2,
 604   GADGET_ID_SAVE_LEVELSET,
 605   GADGET_ID_ADD_CHANGE_PAGE,
 606   GADGET_ID_DEL_CHANGE_PAGE,
 607
 608   // graphicbutton identifiers
 609
 610   GADGET_ID_PREV_CHANGE_PAGE,
 611   GADGET_ID_NEXT_CHANGE_PAGE,
 612   GADGET_ID_COPY_CHANGE_PAGE,
 613   GADGET_ID_PASTE_CHANGE_PAGE,
 614
 615   // gadgets for scrolling of drawing area
 616
 617   GADGET_ID_SCROLL_UP,
 618   GADGET_ID_SCROLL_DOWN,
 619   GADGET_ID_SCROLL_LEFT,
 620   GADGET_ID_SCROLL_RIGHT,
 621   GADGET_ID_SCROLL_HORIZONTAL,
 622   GADGET_ID_SCROLL_VERTICAL,
 623
 624   // gadgets for scrolling element list
 625
 626   GADGET_ID_SCROLL_LIST_UP,
 627   GADGET_ID_SCROLL_LIST_DOWN,
 628   GADGET_ID_SCROLL_LIST_VERTICAL,
 629
 630   // checkbuttons/radiobuttons for level/element properties
 631
 632   GADGET_ID_AUTO_COUNT_GEMS,
 633   GADGET_ID_USE_LEVELSET_ARTWORK,
 634   GADGET_ID_COPY_LEVEL_TEMPLATE,
 635   GADGET_ID_RANDOM_PERCENTAGE,
 636   GADGET_ID_RANDOM_QUANTITY,
 637   GADGET_ID_RANDOM_RESTRICTED,
 638   GADGET_ID_STICK_ELEMENT,
 639   GADGET_ID_EM_SLIPPERY_GEMS,
 640   GADGET_ID_EM_EXPLODES_BY_FIRE,
 641   GADGET_ID_USE_SPRING_BUG,
 642   GADGET_ID_USE_TIME_ORB_BUG,
 643   GADGET_ID_USE_LIFE_BUGS,
 644   GADGET_ID_RANDOM_BALL_CONTENT,
 645   GADGET_ID_INITIAL_BALL_ACTIVE,
 646   GADGET_ID_GROW_INTO_DIGGABLE,
 647   GADGET_ID_SB_FIELDS_NEEDED,
 648   GADGET_ID_SB_OBJECTS_NEEDED,
 649   GADGET_ID_AUTO_EXIT_SOKOBAN,
 650   GADGET_ID_SOLVED_BY_ONE_PLAYER,
 651   GADGET_ID_CONTINUOUS_SNAPPING,
 652   GADGET_ID_BLOCK_SNAP_FIELD,
 653   GADGET_ID_BLOCK_LAST_FIELD,
 654   GADGET_ID_SP_BLOCK_LAST_FIELD,
 655   GADGET_ID_INSTANT_RELOCATION,
 656   GADGET_ID_SHIFTED_RELOCATION,
 657   GADGET_ID_LAZY_RELOCATION,
 658   GADGET_ID_USE_START_ELEMENT,
 659   GADGET_ID_USE_ARTWORK_ELEMENT,
 660   GADGET_ID_USE_EXPLOSION_ELEMENT,
 661   GADGET_ID_INITIAL_GRAVITY,
 662   GADGET_ID_USE_INITIAL_INVENTORY,
 663   GADGET_ID_CAN_PASS_TO_WALKABLE,
 664   GADGET_ID_CAN_FALL_INTO_ACID,
 665   GADGET_ID_CAN_MOVE_INTO_ACID,
 666   GADGET_ID_DONT_COLLIDE_WITH,
 667   GADGET_ID_ENVELOPE_AUTOWRAP,
 668   GADGET_ID_ENVELOPE_CENTERED,
 669   GADGET_ID_MM_LASER_RED,
 670   GADGET_ID_MM_LASER_GREEN,
 671   GADGET_ID_MM_LASER_BLUE,
 672   GADGET_ID_DF_LASER_RED,
 673   GADGET_ID_DF_LASER_GREEN,
 674   GADGET_ID_DF_LASER_BLUE,
 675   GADGET_ID_CUSTOM_INDESTRUCTIBLE,
 676   GADGET_ID_CUSTOM_CAN_EXPLODE,
 677   GADGET_ID_CUSTOM_EXPLODE_FIRE,
 678   GADGET_ID_CUSTOM_EXPLODE_SMASH,
 679   GADGET_ID_CUSTOM_EXPLODE_IMPACT,
 680   GADGET_ID_CUSTOM_WALK_TO_OBJECT,
 681   GADGET_ID_CUSTOM_DEADLY,
 682   GADGET_ID_CUSTOM_CAN_MOVE,
 683   GADGET_ID_CUSTOM_CAN_FALL,
 684   GADGET_ID_CUSTOM_CAN_SMASH,
 685   GADGET_ID_CUSTOM_SLIPPERY,
 686   GADGET_ID_CUSTOM_ACCESSIBLE,
 687   GADGET_ID_CUSTOM_GRAV_REACHABLE,
 688   GADGET_ID_CUSTOM_USE_LAST_VALUE,
 689   GADGET_ID_CUSTOM_USE_GRAPHIC,
 690   GADGET_ID_CUSTOM_USE_TEMPLATE_1,
 691   GADGET_ID_CUSTOM_USE_TEMPLATE_2,
 692   GADGET_ID_CUSTOM_USE_TEMPLATE_3,
 693   GADGET_ID_CUSTOM_CAN_CHANGE,
 694   GADGET_ID_CHANGE_USE_CONTENT,
 695   GADGET_ID_CHANGE_USE_EXPLOSION,
 696   GADGET_ID_CHANGE_ONLY_COMPLETE,
 697   GADGET_ID_CHANGE_USE_RANDOM,
 698   GADGET_ID_CHANGE_HAS_ACTION,
 699   GADGET_ID_CHANGE_DELAY,
 700   GADGET_ID_CHANGE_BY_DIRECT_ACT,
 701   GADGET_ID_CHANGE_BY_OTHER_ACT,
 702
 703   NUM_STATIC_GADGET_IDS
 704 };
 705
 706 // gadgets for buttons in element list (dynamic)
 707 #define GADGET_ID_ELEMENTLIST_FIRST     (NUM_STATIC_GADGET_IDS)
 708 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 709                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 710
 711 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 712
 713 // radio button numbers
 714 enum
 715 {
 716   RADIO_NR_NONE,
 717   RADIO_NR_DRAWING_TOOLBOX,
 718   RADIO_NR_RANDOM_ELEMENTS
 719 };
 720
 721 // values for counter gadgets
 722 enum
 723 {
 724   ED_COUNTER_ID_SELECT_LEVEL,
 725   ED_COUNTER_ID_LEVEL_XSIZE,
 726   ED_COUNTER_ID_LEVEL_YSIZE,
 727   ED_COUNTER_ID_LEVEL_GEMSLIMIT,
 728   ED_COUNTER_ID_LEVEL_TIMELIMIT,
 729   ED_COUNTER_ID_LEVEL_TIMESCORE,
 730   ED_COUNTER_ID_LEVEL_RANDOM_SEED,
 731   ED_COUNTER_ID_LEVELSET_NUM_LEVELS,
 732   ED_COUNTER_ID_LEVEL_RANDOM,
 733   ED_COUNTER_ID_ELEMENT_VALUE1,
 734   ED_COUNTER_ID_ELEMENT_VALUE2,
 735   ED_COUNTER_ID_ELEMENT_VALUE3,
 736   ED_COUNTER_ID_ELEMENT_VALUE4,
 737   ED_COUNTER_ID_YAMYAM_CONTENT,
 738   ED_COUNTER_ID_BALL_CONTENT,
 739   ED_COUNTER_ID_ANDROID_CONTENT,
 740   ED_COUNTER_ID_ENVELOPE_XSIZE,
 741   ED_COUNTER_ID_ENVELOPE_YSIZE,
 742   ED_COUNTER_ID_INVENTORY_SIZE,
 743   ED_COUNTER_ID_CUSTOM_SCORE,
 744   ED_COUNTER_ID_CUSTOM_GEMCOUNT,
 745   ED_COUNTER_ID_CUSTOM_VALUE_FIX,
 746   ED_COUNTER_ID_CUSTOM_VALUE_RND,
 747   ED_COUNTER_ID_PUSH_DELAY_FIX,
 748   ED_COUNTER_ID_PUSH_DELAY_RND,
 749   ED_COUNTER_ID_DROP_DELAY_FIX,
 750   ED_COUNTER_ID_DROP_DELAY_RND,
 751   ED_COUNTER_ID_MOVE_DELAY_FIX,
 752   ED_COUNTER_ID_MOVE_DELAY_RND,
 753   ED_COUNTER_ID_EXPLOSION_DELAY,
 754   ED_COUNTER_ID_IGNITION_DELAY,
 755   ED_COUNTER_ID_GROUP_CONTENT,
 756   ED_COUNTER_ID_CHANGE_DELAY_FIX,
 757   ED_COUNTER_ID_CHANGE_DELAY_RND,
 758   ED_COUNTER_ID_CHANGE_CONT_RND,
 759
 760   ED_NUM_COUNTERBUTTONS
 761 };
 762
 763 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 764 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM_SEED
 765 #define ED_COUNTER_ID_LEVELSET_FIRST    ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 766 #define ED_COUNTER_ID_LEVELSET_LAST     ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 767 #define ED_COUNTER_ID_EDITOR_FIRST      ED_COUNTER_ID_LEVEL_RANDOM
 768 #define ED_COUNTER_ID_EDITOR_LAST       ED_COUNTER_ID_LEVEL_RANDOM
 769
 770 #define ED_COUNTER_ID_CUSTOM1_FIRST     ED_COUNTER_ID_CUSTOM_SCORE
 771 #define ED_COUNTER_ID_CUSTOM1_LAST      ED_COUNTER_ID_DROP_DELAY_RND
 772 #define ED_COUNTER_ID_CUSTOM2_FIRST     ED_COUNTER_ID_MOVE_DELAY_FIX
 773 #define ED_COUNTER_ID_CUSTOM2_LAST      ED_COUNTER_ID_IGNITION_DELAY
 774 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM1_FIRST
 775 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_CUSTOM2_LAST
 776
 777 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 778 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 779
 780 // values for scrollbutton gadgets
 781 enum
 782 {
 783   ED_SCROLLBUTTON_ID_AREA_UP,
 784   ED_SCROLLBUTTON_ID_AREA_DOWN,
 785   ED_SCROLLBUTTON_ID_AREA_LEFT,
 786   ED_SCROLLBUTTON_ID_AREA_RIGHT,
 787   ED_SCROLLBUTTON_ID_LIST_UP,
 788   ED_SCROLLBUTTON_ID_LIST_DOWN,
 789
 790   ED_NUM_SCROLLBUTTONS
 791 };
 792
 793 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 794 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 795
 796 // values for scrollbar gadgets
 797 enum
 798 {
 799   ED_SCROLLBAR_ID_AREA_HORIZONTAL,
 800   ED_SCROLLBAR_ID_AREA_VERTICAL,
 801   ED_SCROLLBAR_ID_LIST_VERTICAL,
 802
 803   ED_NUM_SCROLLBARS
 804 };
 805
 806 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 807 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 808
 809 // values for text input gadgets
 810 enum
 811 {
 812   ED_TEXTINPUT_ID_LEVEL_NAME,
 813   ED_TEXTINPUT_ID_LEVEL_AUTHOR,
 814   ED_TEXTINPUT_ID_LEVELSET_NAME,
 815   ED_TEXTINPUT_ID_LEVELSET_AUTHOR,
 816   ED_TEXTINPUT_ID_ELEMENT_NAME,
 817
 818   ED_NUM_TEXTINPUT
 819 };
 820
 821 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 822 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 823
 824 #define ED_TEXTINPUT_ID_LEVELSET_FIRST  ED_TEXTINPUT_ID_LEVELSET_NAME
 825 #define ED_TEXTINPUT_ID_LEVELSET_LAST   ED_TEXTINPUT_ID_LEVELSET_AUTHOR
 826
 827 // values for text area gadgets
 828 enum
 829 {
 830   ED_TEXTAREA_ID_ENVELOPE_INFO,
 831
 832   ED_NUM_TEXTAREAS
 833 };
 834
 835 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
 836 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
 837
 838 // values for selectbox gadgets
 839 enum
 840 {
 841   ED_SELECTBOX_ID_TIME_OR_STEPS,
 842   ED_SELECTBOX_ID_GAME_ENGINE_TYPE,
 843   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE,
 844   ED_SELECTBOX_ID_WIND_DIRECTION,
 845   ED_SELECTBOX_ID_PLAYER_SPEED,
 846   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE,
 847   ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER,
 848   ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED,
 849   ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION,
 850   ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION,
 851   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN,
 852   ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION,
 853   ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE,
 854   ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE,
 855   ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS,
 856   ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE,
 857   ED_SELECTBOX_ID_CUSTOM_DEADLINESS,
 858   ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE,
 859   ED_SELECTBOX_ID_CHANGE_TIME_UNITS,
 860   ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION,
 861   ED_SELECTBOX_ID_CHANGE_OTHER_ACTION,
 862   ED_SELECTBOX_ID_CHANGE_SIDE,
 863   ED_SELECTBOX_ID_CHANGE_PLAYER,
 864   ED_SELECTBOX_ID_CHANGE_PAGE,
 865   ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN,
 866   ED_SELECTBOX_ID_ACTION_TYPE,
 867   ED_SELECTBOX_ID_ACTION_MODE,
 868   ED_SELECTBOX_ID_ACTION_ARG,
 869   ED_SELECTBOX_ID_SELECT_CHANGE_PAGE,
 870   ED_SELECTBOX_ID_GROUP_CHOICE_MODE,
 871
 872   ED_NUM_SELECTBOX
 873 };
 874
 875 #define ED_SELECTBOX_ID_LEVEL_FIRST     ED_SELECTBOX_ID_TIME_OR_STEPS
 876 #define ED_SELECTBOX_ID_LEVEL_LAST      ED_SELECTBOX_ID_GAME_ENGINE_TYPE
 877
 878 #define ED_SELECTBOX_ID_LEVELSET_FIRST  ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 879 #define ED_SELECTBOX_ID_LEVELSET_LAST   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 880
 881 #define ED_SELECTBOX_ID_CUSTOM1_FIRST   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
 882 #define ED_SELECTBOX_ID_CUSTOM1_LAST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
 883 #define ED_SELECTBOX_ID_CUSTOM2_FIRST   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN
 884 #define ED_SELECTBOX_ID_CUSTOM2_LAST    ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE
 885 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM1_FIRST
 886 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM2_LAST
 887
 888 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 889 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
 890
 891 // values for textbutton gadgets
 892 enum
 893 {
 894   ED_TEXTBUTTON_ID_LEVELINFO_LEVEL,
 895   ED_TEXTBUTTON_ID_LEVELINFO_LEVELSET,
 896   ED_TEXTBUTTON_ID_LEVELINFO_EDITOR,
 897   ED_TEXTBUTTON_ID_PROPERTIES_INFO,
 898   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG,
 899   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1,
 900   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2,
 901   ED_TEXTBUTTON_ID_PROPERTIES_CHANGE,
 902   ED_TEXTBUTTON_ID_SAVE_LEVELSET,
 903   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2,
 904   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1,
 905   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE,
 906   ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE,
 907
 908   ED_NUM_TEXTBUTTONS
 909 };
 910
 911 #define ED_TAB_BUTTON_ID_LEVELINFO_FIRST ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
 912 #define ED_TAB_BUTTON_ID_LEVELINFO_LAST  ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
 913
 914 #define ED_TAB_BUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
 915 #define ED_TAB_BUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
 916
 917 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE
 918 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
 919
 920 // values for graphicbutton gadgets
 921 enum
 922 {
 923   ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE,
 924   ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE,
 925   ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE,
 926   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE,
 927
 928   ED_NUM_GRAPHICBUTTONS
 929 };
 930
 931 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST  ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
 932 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE
 933
 934 // values for checkbutton gadgets
 935 enum
 936 {
 937   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS,
 938   ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK,
 939   ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE,
 940   ED_CHECKBUTTON_ID_RANDOM_RESTRICTED,
 941   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3,
 942   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2,
 943   ED_CHECKBUTTON_ID_STICK_ELEMENT,
 944   ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS,
 945   ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE,
 946   ED_CHECKBUTTON_ID_USE_SPRING_BUG,
 947   ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG,
 948   ED_CHECKBUTTON_ID_USE_LIFE_BUGS,
 949   ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT,
 950   ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE,
 951   ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE,
 952   ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED,
 953   ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED,
 954   ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN,
 955   ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER,
 956   ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING,
 957   ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD,
 958   ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD,
 959   ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD,
 960   ED_CHECKBUTTON_ID_INSTANT_RELOCATION,
 961   ED_CHECKBUTTON_ID_SHIFTED_RELOCATION,
 962   ED_CHECKBUTTON_ID_LAZY_RELOCATION,
 963   ED_CHECKBUTTON_ID_USE_START_ELEMENT,
 964   ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT,
 965   ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT,
 966   ED_CHECKBUTTON_ID_INITIAL_GRAVITY,
 967   ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY,
 968   ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE,
 969   ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID,
 970   ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID,
 971   ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH,
 972   ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP,
 973   ED_CHECKBUTTON_ID_ENVELOPE_CENTERED,
 974   ED_CHECKBUTTON_ID_MM_LASER_RED,
 975   ED_CHECKBUTTON_ID_MM_LASER_GREEN,
 976   ED_CHECKBUTTON_ID_MM_LASER_BLUE,
 977   ED_CHECKBUTTON_ID_DF_LASER_RED,
 978   ED_CHECKBUTTON_ID_DF_LASER_GREEN,
 979   ED_CHECKBUTTON_ID_DF_LASER_BLUE,
 980   ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC,
 981   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1,
 982   ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE,
 983   ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE,
 984   ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE,
 985   ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT,
 986   ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE,
 987   ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE,
 988   ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL,
 989   ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH,
 990   ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY,
 991   ED_CHECKBUTTON_ID_CUSTOM_DEADLY,
 992   ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE,
 993   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE,
 994   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH,
 995   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT,
 996   ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE,
 997   ED_CHECKBUTTON_ID_CHANGE_DELAY,
 998   ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT,
 999   ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT,
1000   ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION,
1001   ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT,
1002   ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE,
1003   ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM,
1004   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION,
1005
1006   ED_NUM_CHECKBUTTONS
1007 };
1008
1009 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS
1010 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS
1011
1012 #define ED_CHECKBUTTON_ID_LEVELSET_FIRST ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK
1013 #define ED_CHECKBUTTON_ID_LEVELSET_LAST  ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE
1014
1015 #define ED_CHECKBUTTON_ID_EDITOR_FIRST  ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
1016 #define ED_CHECKBUTTON_ID_EDITOR_LAST   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2
1017
1018 #define ED_CHECKBUTTON_ID_CUSTOM1_FIRST ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
1019 #define ED_CHECKBUTTON_ID_CUSTOM1_LAST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
1020 #define ED_CHECKBUTTON_ID_CUSTOM2_FIRST ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE
1021 #define ED_CHECKBUTTON_ID_CUSTOM2_LAST  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
1022 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM1_FIRST
1023 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM2_LAST
1024
1025 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE
1026 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION
1027
1028 // values for radiobutton gadgets
1029 enum
1030 {
1031   ED_RADIOBUTTON_ID_PERCENTAGE,
1032   ED_RADIOBUTTON_ID_QUANTITY,
1033
1034   ED_NUM_RADIOBUTTONS
1035 };
1036
1037 #define ED_RADIOBUTTON_ID_EDITOR_FIRST  ED_RADIOBUTTON_ID_PERCENTAGE
1038 #define ED_RADIOBUTTON_ID_EDITOR_LAST   ED_RADIOBUTTON_ID_QUANTITY
1039
1040 // values for drawing area gadgets
1041 enum
1042 {
1043   ED_DRAWING_ID_DRAWING_LEVEL,
1044   ED_DRAWING_ID_YAMYAM_CONTENT_0,
1045   ED_DRAWING_ID_YAMYAM_CONTENT_1,
1046   ED_DRAWING_ID_YAMYAM_CONTENT_2,
1047   ED_DRAWING_ID_YAMYAM_CONTENT_3,
1048   ED_DRAWING_ID_YAMYAM_CONTENT_4,
1049   ED_DRAWING_ID_YAMYAM_CONTENT_5,
1050   ED_DRAWING_ID_YAMYAM_CONTENT_6,
1051   ED_DRAWING_ID_YAMYAM_CONTENT_7,
1052   ED_DRAWING_ID_MAGIC_BALL_CONTENT_0,
1053   ED_DRAWING_ID_MAGIC_BALL_CONTENT_1,
1054   ED_DRAWING_ID_MAGIC_BALL_CONTENT_2,
1055   ED_DRAWING_ID_MAGIC_BALL_CONTENT_3,
1056   ED_DRAWING_ID_MAGIC_BALL_CONTENT_4,
1057   ED_DRAWING_ID_MAGIC_BALL_CONTENT_5,
1058   ED_DRAWING_ID_MAGIC_BALL_CONTENT_6,
1059   ED_DRAWING_ID_MAGIC_BALL_CONTENT_7,
1060   ED_DRAWING_ID_ANDROID_CONTENT,
1061   ED_DRAWING_ID_AMOEBA_CONTENT,
1062   ED_DRAWING_ID_START_ELEMENT,
1063   ED_DRAWING_ID_ARTWORK_ELEMENT,
1064   ED_DRAWING_ID_EXPLOSION_ELEMENT,
1065   ED_DRAWING_ID_INVENTORY_CONTENT,
1066   ED_DRAWING_ID_CUSTOM_GRAPHIC,
1067   ED_DRAWING_ID_CUSTOM_CONTENT,
1068   ED_DRAWING_ID_CUSTOM_MOVE_ENTER,
1069   ED_DRAWING_ID_CUSTOM_MOVE_LEAVE,
1070   ED_DRAWING_ID_CUSTOM_CHANGE_TARGET,
1071   ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT,
1072   ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER,
1073   ED_DRAWING_ID_CUSTOM_CHANGE_ACTION,
1074   ED_DRAWING_ID_GROUP_CONTENT,
1075   ED_DRAWING_ID_RANDOM_BACKGROUND,
1076
1077   ED_NUM_DRAWING_AREAS
1078 };
1079
1080 #define ED_DRAWING_ID_EDITOR_FIRST      ED_DRAWING_ID_RANDOM_BACKGROUND
1081 #define ED_DRAWING_ID_EDITOR_LAST       ED_DRAWING_ID_RANDOM_BACKGROUND
1082
1083
1084 // ----------------------------------------------------------------------------
1085 // some internally used definitions
1086 // ----------------------------------------------------------------------------
1087
1088 // values for CopyLevelToUndoBuffer()
1089 #define UNDO_IMMEDIATE                  0
1090 #define UNDO_ACCUMULATE                 1
1091
1092 // values for scrollbars
1093 #define ED_SCROLL_NO                    0
1094 #define ED_SCROLL_LEFT                  1
1095 #define ED_SCROLL_RIGHT                 2
1096 #define ED_SCROLL_UP                    4
1097 #define ED_SCROLL_DOWN                  8
1098
1099 // screens in the level editor
1100 #define ED_MODE_DRAWING                 0
1101 #define ED_MODE_INFO                    1
1102 #define ED_MODE_PROPERTIES              2
1103 #define ED_MODE_PALETTE                 3
1104
1105 // sub-screens in the global settings section
1106 #define ED_MODE_LEVELINFO_LEVEL         ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
1107 #define ED_MODE_LEVELINFO_LEVELSET      ED_TEXTBUTTON_ID_LEVELINFO_LEVELSET
1108 #define ED_MODE_LEVELINFO_EDITOR        ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
1109
1110 // sub-screens in the element properties section
1111 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
1112 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
1113 #define ED_MODE_PROPERTIES_CONFIG_1     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1
1114 #define ED_MODE_PROPERTIES_CONFIG_2     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2
1115 #define ED_MODE_PROPERTIES_CHANGE       ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
1116
1117 // how many steps can be cancelled
1118 #define NUM_UNDO_STEPS                  (64 + 1)
1119
1120 // values for elements with score for certain actions
1121 #define MIN_SCORE                       0
1122 #define MAX_SCORE                       999
1123
1124 // values for elements with count for collecting
1125 #define MIN_COLLECT_COUNT               0
1126 #define MAX_COLLECT_COUNT               999
1127
1128 // values for random placement
1129 #define RANDOM_USE_PERCENTAGE           0
1130 #define RANDOM_USE_QUANTITY             1
1131
1132 // values for level set save mode
1133 #define LEVELSET_SAVE_MODE_UPDATE       0
1134 #define LEVELSET_SAVE_MODE_CREATE       1
1135
1136 // default value for element tile size in drawing area
1137 #define DEFAULT_EDITOR_TILESIZE         MINI_TILESIZE
1138 #define DEFAULT_EDITOR_TILESIZE_MM      TILESIZE
1139
1140
1141 // ----------------------------------------------------------------------------
1142 // some internally used data structure definitions
1143 // ----------------------------------------------------------------------------
1144
1145 static struct
1146 {
1147   int graphic;
1148   int gadget_id;
1149   struct XYTileSize *pos;
1150   int gadget_type;
1151   char *infotext;
1152   char shortcut;
1153 } controlbutton_info[ED_NUM_CTRL_BUTTONS] =
1154 {
1155   // note: some additional characters are already reserved for "cheat mode"
1156   // shortcuts (":XYZ" style) -- for details, see "events.c"
1157
1158   // ---------- toolbox control buttons ---------------------------------------
1159
1160   {
1161     IMG_GFX_EDITOR_BUTTON_DRAW_SINGLE,          GADGET_ID_SINGLE_ITEMS,
1162     &editor.button.draw_single,                 GD_TYPE_RADIO_BUTTON,
1163     "draw single items",                        's'
1164   },
1165   {
1166     IMG_GFX_EDITOR_BUTTON_DRAW_CONNECTED,       GADGET_ID_CONNECTED_ITEMS,
1167     &editor.button.draw_connected,              GD_TYPE_RADIO_BUTTON,
1168     "draw connected items",                     'd'
1169   },
1170   {
1171     IMG_GFX_EDITOR_BUTTON_DRAW_LINE,            GADGET_ID_LINE,
1172     &editor.button.draw_line,                   GD_TYPE_RADIO_BUTTON,
1173     "draw lines",                               'l'
1174   },
1175   {
1176     IMG_GFX_EDITOR_BUTTON_DRAW_ARC,             GADGET_ID_ARC,
1177     &editor.button.draw_arc,                    GD_TYPE_RADIO_BUTTON,
1178     "draw arcs",                                'a'
1179   },
1180   {
1181     IMG_GFX_EDITOR_BUTTON_DRAW_RECTANGLE,       GADGET_ID_RECTANGLE,
1182     &editor.button.draw_rectangle,              GD_TYPE_RADIO_BUTTON,
1183     "draw outline rectangles",                  'r'
1184   },
1185   {
1186     IMG_GFX_EDITOR_BUTTON_DRAW_FILLED_BOX,      GADGET_ID_FILLED_BOX,
1187     &editor.button.draw_filled_box,             GD_TYPE_RADIO_BUTTON,
1188     "draw filled rectangles",                   'R'
1189   },
1190   {
1191     IMG_GFX_EDITOR_BUTTON_ROTATE_UP,            GADGET_ID_WRAP_UP,
1192     &editor.button.rotate_up,                   GD_TYPE_NORMAL_BUTTON,
1193     "wrap (rotate) level up",                   0
1194   },
1195   {
1196     IMG_GFX_EDITOR_BUTTON_DRAW_TEXT,            GADGET_ID_TEXT,
1197     &editor.button.draw_text,                   GD_TYPE_RADIO_BUTTON,
1198     "enter text elements",                      't'
1199   },
1200   {
1201     IMG_GFX_EDITOR_BUTTON_FLOOD_FILL,           GADGET_ID_FLOOD_FILL,
1202     &editor.button.flood_fill,                  GD_TYPE_RADIO_BUTTON,
1203     "flood fill",                               'f'
1204   },
1205   {
1206     IMG_GFX_EDITOR_BUTTON_ROTATE_LEFT,          GADGET_ID_WRAP_LEFT,
1207     &editor.button.rotate_left,                 GD_TYPE_NORMAL_BUTTON,
1208     "wrap (rotate) level left",                 0
1209   },
1210   {
1211     IMG_GFX_EDITOR_BUTTON_ZOOM_LEVEL,           GADGET_ID_ZOOM,
1212     &editor.button.zoom_level,                  GD_TYPE_NORMAL_BUTTON,
1213     "zoom level tile size",                     '+'
1214   },
1215   {
1216     IMG_GFX_EDITOR_BUTTON_ROTATE_RIGHT,         GADGET_ID_WRAP_RIGHT,
1217     &editor.button.rotate_right,                GD_TYPE_NORMAL_BUTTON,
1218     "wrap (rotate) level right",                0
1219   },
1220   {
1221     IMG_GFX_EDITOR_BUTTON_DRAW_RANDOM,          GADGET_ID_RANDOM_PLACEMENT,
1222     &editor.button.draw_random,                 GD_TYPE_NORMAL_BUTTON,
1223     "random element placement",                 0
1224   },
1225   {
1226     IMG_GFX_EDITOR_BUTTON_GRAB_BRUSH,           GADGET_ID_GRAB_BRUSH,
1227     &editor.button.grab_brush,                  GD_TYPE_RADIO_BUTTON,
1228     "grab brush",                               'b'
1229   },
1230   {
1231     IMG_GFX_EDITOR_BUTTON_ROTATE_DOWN,          GADGET_ID_WRAP_DOWN,
1232     &editor.button.rotate_down,                 GD_TYPE_NORMAL_BUTTON,
1233     "wrap (rotate) level down",                 0
1234   },
1235   {
1236     IMG_GFX_EDITOR_BUTTON_PICK_ELEMENT,         GADGET_ID_PICK_ELEMENT,
1237     &editor.button.pick_element,                GD_TYPE_RADIO_BUTTON,
1238     "pick drawing element",                     ','
1239   },
1240
1241   // ---------- level control buttons -----------------------------------------
1242
1243   {
1244     IMG_GFX_EDITOR_BUTTON_UNDO,                 GADGET_ID_UNDO,
1245     &editor.button.undo,                        GD_TYPE_NORMAL_BUTTON,
1246     "undo/redo last operation",                 'u'
1247   },
1248   {
1249     IMG_GFX_EDITOR_BUTTON_CONF,                 GADGET_ID_INFO,
1250     &editor.button.conf,                        GD_TYPE_NORMAL_BUTTON,
1251     "properties of level",                      'I'
1252   },
1253   {
1254     IMG_GFX_EDITOR_BUTTON_SAVE,                 GADGET_ID_SAVE,
1255     &editor.button.save,                        GD_TYPE_NORMAL_BUTTON,
1256     "save level",                               'S'
1257   },
1258   {
1259     IMG_GFX_EDITOR_BUTTON_CLEAR,                GADGET_ID_CLEAR,
1260     &editor.button.clear,                       GD_TYPE_NORMAL_BUTTON,
1261     "clear level",                              'C'
1262   },
1263   {
1264     IMG_GFX_EDITOR_BUTTON_TEST,                 GADGET_ID_TEST,
1265     &editor.button.test,                        GD_TYPE_NORMAL_BUTTON,
1266     "test level",                               'T'
1267   },
1268   {
1269     IMG_GFX_EDITOR_BUTTON_EXIT,                 GADGET_ID_EXIT,
1270     &editor.button.exit,                        GD_TYPE_NORMAL_BUTTON,
1271     "exit level editor",                        'E'
1272   },
1273
1274   // ---------- CE and GE control buttons -------------------------------------
1275
1276   {
1277     IMG_GFX_EDITOR_BUTTON_CE_COPY_FROM,         GADGET_ID_CUSTOM_COPY_FROM,
1278     &editor.button.ce_copy_from,                GD_TYPE_RADIO_BUTTON,
1279     "copy settings from other element",         0
1280   },
1281   {
1282     IMG_GFX_EDITOR_BUTTON_CE_COPY_TO,           GADGET_ID_CUSTOM_COPY_TO,
1283     &editor.button.ce_copy_to,                  GD_TYPE_RADIO_BUTTON,
1284     "copy settings to other element",           0
1285   },
1286   {
1287     IMG_GFX_EDITOR_BUTTON_CE_SWAP,              GADGET_ID_CUSTOM_EXCHANGE,
1288     &editor.button.ce_swap,                     GD_TYPE_RADIO_BUTTON,
1289     "exchange element with other element",      0
1290   },
1291   {
1292     IMG_GFX_EDITOR_BUTTON_CE_COPY,              GADGET_ID_CUSTOM_COPY,
1293     &editor.button.ce_copy,                     GD_TYPE_NORMAL_BUTTON,
1294     "copy settings from this element",          0
1295   },
1296   {
1297     IMG_GFX_EDITOR_BUTTON_CE_PASTE,             GADGET_ID_CUSTOM_PASTE,
1298     &editor.button.ce_paste,                    GD_TYPE_NORMAL_BUTTON,
1299     "paste settings to this element",           0
1300   },
1301
1302   // ---------- palette control buttons ---------------------------------------
1303
1304   {
1305     IMG_GFX_EDITOR_BUTTON_PROPERTIES,           GADGET_ID_PROPERTIES,
1306     &editor.button.properties,                  GD_TYPE_NORMAL_BUTTON,
1307     "properties of drawing element",            'p'
1308   },
1309   {
1310     IMG_GFX_EDITOR_BUTTON_ELEMENT_LEFT,         GADGET_ID_ELEMENT_LEFT,
1311     &editor.button.element_left,                GD_TYPE_NORMAL_BUTTON,
1312     "properties of drawing element 1",          '1'
1313   },
1314   {
1315     IMG_GFX_EDITOR_BUTTON_ELEMENT_MIDDLE,       GADGET_ID_ELEMENT_MIDDLE,
1316     &editor.button.element_middle,              GD_TYPE_NORMAL_BUTTON,
1317     "properties of drawing element 2",          '2'
1318   },
1319   {
1320     IMG_GFX_EDITOR_BUTTON_ELEMENT_RIGHT,        GADGET_ID_ELEMENT_RIGHT,
1321     &editor.button.element_right,               GD_TYPE_NORMAL_BUTTON,
1322     "properties of drawing element 3",          '3'
1323   },
1324   {
1325     IMG_GFX_EDITOR_BUTTON_PALETTE,              GADGET_ID_PALETTE,
1326     &editor.button.palette,                     GD_TYPE_NORMAL_BUTTON,
1327     "show list of elements",                    'e'
1328   }
1329 };
1330
1331 static int random_placement_value = 10;
1332 static int random_placement_method = RANDOM_USE_QUANTITY;
1333 static int random_placement_background_element = EL_SAND;
1334 static boolean random_placement_background_restricted = FALSE;
1335 static boolean stick_element_properties_window = FALSE;
1336 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
1337 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
1338 static struct ElementChangeInfo custom_element_change;
1339 static struct ElementGroupInfo group_element_info;
1340 static struct ElementInfo custom_element;
1341
1342 static char levelset_name[MAX_LEVEL_NAME_LEN + 1];
1343 static char levelset_author[MAX_LEVEL_AUTHOR_LEN + 1];
1344 static int levelset_num_levels = 100;
1345 static boolean levelset_use_levelset_artwork = FALSE;
1346 static boolean levelset_copy_level_template = FALSE;
1347 static int levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
1348
1349 static struct
1350 {
1351   int x, y;
1352   int min_value, max_value;
1353   int gadget_id_down, gadget_id_up;
1354   int gadget_id_text;
1355   int gadget_id_align;
1356   int *value;
1357   char *text_above, *text_left, *text_right;
1358 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
1359 {
1360   // ---------- current level number ------------------------------------------
1361
1362   {
1363     -1, -1,     // these values are not constant, but can change at runtime
1364     1,                                  100,
1365     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
1366     GADGET_ID_SELECT_LEVEL_TEXT,        GADGET_ID_NONE,
1367     &level_nr,
1368     NULL,                               NULL, NULL
1369   },
1370
1371   // ---------- level and editor settings -------------------------------------
1372
1373   {
1374     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1375     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
1376     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
1377     GADGET_ID_LEVEL_XSIZE_TEXT,         GADGET_ID_NONE,
1378     &level.fieldx,
1379     "playfield size:",                  NULL, "width",
1380   },
1381   {
1382     -1,                                 ED_LEVEL_SETTINGS_YPOS(4),
1383     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
1384     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
1385     GADGET_ID_LEVEL_YSIZE_TEXT,         GADGET_ID_LEVEL_XSIZE_UP,
1386     &level.fieldy,
1387     NULL,                               " ", "height",
1388   },
1389   {
1390     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
1391     0,                                  999,
1392     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
1393     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,     GADGET_ID_NONE,
1394     &level.gems_needed,
1395     NULL,                               "number of gems to collect:", NULL
1396   },
1397   {
1398     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
1399     0,                                  9999,
1400     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
1401     GADGET_ID_LEVEL_TIMELIMIT_TEXT,     GADGET_ID_NONE,
1402     &level.time,
1403     "time or step limit to solve level:", NULL, NULL
1404   },
1405   {
1406     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
1407     0,                                  999,
1408     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
1409     GADGET_ID_LEVEL_TIMESCORE_TEXT,     GADGET_ID_NONE,
1410     &level.score[SC_TIME_BONUS],
1411     "score for each second/step left:", NULL, NULL
1412   },
1413   {
1414     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(12),
1415     0,                                  9999,
1416     GADGET_ID_LEVEL_RANDOM_SEED_DOWN,   GADGET_ID_LEVEL_RANDOM_SEED_UP,
1417     GADGET_ID_LEVEL_RANDOM_SEED_TEXT,   GADGET_ID_NONE,
1418     &level.random_seed,
1419     NULL,                               "random seed:", "(0 => random)"
1420   },
1421   {
1422     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1423     1,                                  MAX_LEVELS,
1424     GADGET_ID_LEVELSET_NUM_LEVELS_DOWN, GADGET_ID_LEVELSET_NUM_LEVELS_UP,
1425     GADGET_ID_LEVELSET_NUM_LEVELS_TEXT, GADGET_ID_NONE,
1426     &levelset_num_levels,
1427     "number of levels:",                NULL, NULL,
1428   },
1429   {
1430     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1431     1,                                  100,
1432     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
1433     GADGET_ID_LEVEL_RANDOM_TEXT,        GADGET_ID_NONE,
1434     &random_placement_value,
1435     "random element placement:",        NULL, "in"
1436   },
1437
1438   // ---------- element settings: configure (various elements) ----------------
1439
1440   {
1441     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1442     MIN_SCORE,                          MAX_SCORE,
1443     GADGET_ID_ELEMENT_VALUE1_DOWN,      GADGET_ID_ELEMENT_VALUE1_UP,
1444     GADGET_ID_ELEMENT_VALUE1_TEXT,      GADGET_ID_NONE,
1445     NULL,                               // will be set when used
1446     NULL,                               NULL, NULL
1447   },
1448   {
1449     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
1450     MIN_SCORE,                          MAX_SCORE,
1451     GADGET_ID_ELEMENT_VALUE2_DOWN,      GADGET_ID_ELEMENT_VALUE2_UP,
1452     GADGET_ID_ELEMENT_VALUE2_TEXT,      GADGET_ID_NONE,
1453     NULL,                               // will be set when used
1454     NULL,                               NULL, NULL
1455   },
1456   {
1457     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1458     MIN_SCORE,                          MAX_SCORE,
1459     GADGET_ID_ELEMENT_VALUE3_DOWN,      GADGET_ID_ELEMENT_VALUE3_UP,
1460     GADGET_ID_ELEMENT_VALUE3_TEXT,      GADGET_ID_NONE,
1461     NULL,                               // will be set when used
1462     NULL,                               NULL, NULL
1463   },
1464   {
1465     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1466     MIN_SCORE,                          MAX_SCORE,
1467     GADGET_ID_ELEMENT_VALUE4_DOWN,      GADGET_ID_ELEMENT_VALUE4_UP,
1468     GADGET_ID_ELEMENT_VALUE4_TEXT,      GADGET_ID_NONE,
1469     NULL,                               // will be set when used
1470     NULL,                               NULL, NULL
1471   },
1472   {
1473     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1474     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1475     GADGET_ID_YAMYAM_CONTENT_DOWN,      GADGET_ID_YAMYAM_CONTENT_UP,
1476     GADGET_ID_YAMYAM_CONTENT_TEXT,      GADGET_ID_NONE,
1477     &level.num_yamyam_contents,
1478     NULL,                               NULL, "number of content areas"
1479   },
1480   {
1481     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1482     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1483     GADGET_ID_BALL_CONTENT_DOWN,        GADGET_ID_BALL_CONTENT_UP,
1484     GADGET_ID_BALL_CONTENT_TEXT,        GADGET_ID_NONE,
1485     &level.num_ball_contents,
1486     NULL,                               NULL, "number of content areas"
1487   },
1488   {
1489     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1490     MIN_ANDROID_ELEMENTS,               MAX_ANDROID_ELEMENTS,
1491     GADGET_ID_ANDROID_CONTENT_DOWN,     GADGET_ID_ANDROID_CONTENT_UP,
1492     GADGET_ID_ANDROID_CONTENT_TEXT,     GADGET_ID_NONE,
1493     &level.num_android_clone_elements,
1494     NULL,                               NULL, "number of clonable elements"
1495   },
1496   {
1497     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1498     MIN_ENVELOPE_XSIZE,                 MAX_ENVELOPE_XSIZE,
1499     GADGET_ID_ENVELOPE_XSIZE_DOWN,      GADGET_ID_ENVELOPE_XSIZE_UP,
1500     GADGET_ID_ENVELOPE_XSIZE_TEXT,      GADGET_ID_NONE,
1501     NULL,                               // will be set when used
1502     NULL,                               NULL, "width",
1503   },
1504   {
1505     -1,                                 ED_ELEMENT_SETTINGS_YPOS(0),
1506     MIN_ENVELOPE_YSIZE,                 MAX_ENVELOPE_YSIZE,
1507     GADGET_ID_ENVELOPE_YSIZE_DOWN,      GADGET_ID_ENVELOPE_YSIZE_UP,
1508     GADGET_ID_ENVELOPE_YSIZE_TEXT,      GADGET_ID_ENVELOPE_XSIZE_UP,
1509     NULL,                               // will be set when used
1510     NULL,                               " ", "height",
1511   },
1512   {
1513     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1514     MIN_INITIAL_INVENTORY_SIZE,         MAX_INITIAL_INVENTORY_SIZE,
1515     GADGET_ID_INVENTORY_SIZE_DOWN,      GADGET_ID_INVENTORY_SIZE_UP,
1516     GADGET_ID_INVENTORY_SIZE_TEXT,      GADGET_ID_NONE,
1517     &level.initial_inventory_size[0],
1518     NULL,                               NULL, "number of inventory elements"
1519   },
1520
1521   // ---------- element settings: configure 1 (custom elements) ---------------
1522
1523   {
1524     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1525     MIN_SCORE,                          MAX_SCORE,
1526     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
1527     GADGET_ID_CUSTOM_SCORE_TEXT,        GADGET_ID_NONE,
1528     &custom_element.collect_score_initial,
1529     NULL,                               "CE score", " "
1530   },
1531   {
1532     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1533     MIN_COLLECT_COUNT,                  MAX_COLLECT_COUNT,
1534     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
1535     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,     GADGET_ID_CUSTOM_SCORE_UP,
1536     &custom_element.collect_count_initial,
1537     NULL,                               "CE count", NULL
1538   },
1539   {
1540     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1541     0,                                  9999,
1542     GADGET_ID_CUSTOM_VALUE_FIX_DOWN,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1543     GADGET_ID_CUSTOM_VALUE_FIX_TEXT,    GADGET_ID_NONE,
1544     &custom_element.ce_value_fixed_initial,
1545     NULL,                               "CE value", NULL
1546   },
1547   {
1548     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1549     0,                                  9999,
1550     GADGET_ID_CUSTOM_VALUE_RND_DOWN,    GADGET_ID_CUSTOM_VALUE_RND_UP,
1551     GADGET_ID_CUSTOM_VALUE_RND_TEXT,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1552     &custom_element.ce_value_random_initial,
1553     NULL,                               "+random", NULL
1554   },
1555   {
1556     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1557     0,                                  999,
1558     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
1559     GADGET_ID_PUSH_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1560     &custom_element.push_delay_fixed,
1561     NULL,                               "push delay", NULL
1562   },
1563   {
1564     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1565     0,                                  999,
1566     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
1567     GADGET_ID_PUSH_DELAY_RND_TEXT,      GADGET_ID_PUSH_DELAY_FIX_UP,
1568     &custom_element.push_delay_random,
1569     NULL,                               "+random", NULL
1570   },
1571   {
1572     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(7),
1573     0,                                  999,
1574     GADGET_ID_DROP_DELAY_FIX_DOWN,      GADGET_ID_DROP_DELAY_FIX_UP,
1575     GADGET_ID_DROP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1576     &custom_element.drop_delay_fixed,
1577     NULL,                               "drop delay", NULL
1578   },
1579   {
1580     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
1581     0,                                  999,
1582     GADGET_ID_DROP_DELAY_RND_DOWN,      GADGET_ID_DROP_DELAY_RND_UP,
1583     GADGET_ID_DROP_DELAY_RND_TEXT,      GADGET_ID_DROP_DELAY_FIX_UP,
1584     &custom_element.drop_delay_random,
1585     NULL,                               "+random", NULL
1586   },
1587
1588   // ---------- element settings: configure 2 (custom elements) ---------------
1589
1590   {
1591     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1592     0,                                  999,
1593     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
1594     GADGET_ID_MOVE_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1595     &custom_element.move_delay_fixed,
1596     NULL,                               "move delay", NULL
1597   },
1598   {
1599     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1600     0,                                  999,
1601     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
1602     GADGET_ID_MOVE_DELAY_RND_TEXT,      GADGET_ID_MOVE_DELAY_FIX_UP,
1603     &custom_element.move_delay_random,
1604     NULL,                               "+random", NULL
1605   },
1606   {
1607     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(12),
1608     0,                                  999,
1609     GADGET_ID_EXPLOSION_DELAY_DOWN,     GADGET_ID_EXPLOSION_DELAY_UP,
1610     GADGET_ID_EXPLOSION_DELAY_TEXT,     GADGET_ID_NONE,
1611     &custom_element.explosion_delay,
1612     NULL,                               "explosion delay", NULL
1613   },
1614   {
1615     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
1616     0,                                  999,
1617     GADGET_ID_IGNITION_DELAY_DOWN,      GADGET_ID_IGNITION_DELAY_UP,
1618     GADGET_ID_IGNITION_DELAY_TEXT,      GADGET_ID_NONE,
1619     &custom_element.ignition_delay,
1620     NULL,                               "ignition delay", "(by fire)"
1621   },
1622
1623   // ---------- element settings: configure (group elements) ------------------
1624
1625   {
1626     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1627     MIN_ELEMENTS_IN_GROUP,              MAX_ELEMENTS_IN_GROUP,
1628     GADGET_ID_GROUP_CONTENT_DOWN,       GADGET_ID_GROUP_CONTENT_UP,
1629     GADGET_ID_GROUP_CONTENT_TEXT,       GADGET_ID_NONE,
1630     &group_element_info.num_elements,
1631     NULL,                               NULL, "number of elements in group"
1632   },
1633
1634   // ---------- element settings: advanced (custom elements) ------------------
1635
1636   {
1637     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(2),
1638     0,                                  999,
1639     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1640     GADGET_ID_CHANGE_DELAY_FIX_TEXT,    GADGET_ID_NONE,
1641     &custom_element_change.delay_fixed,
1642     NULL,                               "CE delay", NULL,
1643   },
1644   {
1645     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
1646     0,                                  999,
1647     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
1648     GADGET_ID_CHANGE_DELAY_RND_TEXT,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1649     &custom_element_change.delay_random,
1650     NULL,                               "+random", NULL
1651   },
1652   {
1653     ED_ELEMENT_SETTINGS_XPOS(3),        ED_ELEMENT_SETTINGS_YPOS(12),
1654     0,                                  100,
1655     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
1656     GADGET_ID_CHANGE_CONT_RND_TEXT,     GADGET_ID_NONE,
1657     &custom_element_change.random_percentage,
1658     NULL,                               "use random replace:", "%"
1659   },
1660 };
1661
1662 static struct
1663 {
1664   int x, y;
1665   int gadget_id;
1666   int size;
1667   char *value;
1668   char *text_above, *infotext;
1669 } textinput_info[ED_NUM_TEXTINPUT] =
1670 {
1671   {
1672     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1673     GADGET_ID_LEVEL_NAME,
1674     MAX_LEVEL_NAME_LEN,
1675     level.name,
1676     "Title:", "Title for this level"
1677   },
1678   {
1679     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1680     GADGET_ID_LEVEL_AUTHOR,
1681     MAX_LEVEL_AUTHOR_LEN,
1682     level.author,
1683     "Author:", "Author for this level"
1684   },
1685   {
1686     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1687     GADGET_ID_LEVELSET_NAME,
1688     MAX_LEVEL_NAME_LEN,
1689     levelset_name,
1690     "Title:", "Title for this or new level set"
1691   },
1692   {
1693     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1694     GADGET_ID_LEVELSET_AUTHOR,
1695     MAX_LEVEL_AUTHOR_LEN,
1696     levelset_author,
1697     "Author:", "Author for this or new level set"
1698   },
1699   {
1700     -1, -1,     // these values are not constant, but can change at runtime
1701     GADGET_ID_ELEMENT_NAME,
1702     MAX_ELEMENT_NAME_LEN - 2,           // currently 2 chars less editable
1703     custom_element.description,
1704     NULL, "Element name"
1705   }
1706 };
1707
1708 static struct
1709 {
1710   int x, y;
1711   int gadget_id;
1712   int xsize, ysize;
1713   char *value;
1714   char *text_above, *infotext;
1715 } textarea_info[ED_NUM_TEXTAREAS] =
1716 {
1717   {
1718     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1719     GADGET_ID_ENVELOPE_INFO,
1720     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
1721     NULL,
1722     "Envelope Content:", "Envelope Content"
1723   }
1724 };
1725
1726 static struct ValueTextInfo options_time_or_steps[] =
1727 {
1728   { 0,                          "seconds"                       },
1729   { 1,                          "steps"                         },
1730
1731   { -1,                         NULL                            }
1732 };
1733
1734 static struct ValueTextInfo options_game_engine_type[] =
1735 {
1736   { GAME_ENGINE_TYPE_RND,       "Rocks'n'Diamonds"              },
1737   { GAME_ENGINE_TYPE_EM,        "Emerald Mine"                  },
1738   { GAME_ENGINE_TYPE_SP,        "Supaplex"                      },
1739   { GAME_ENGINE_TYPE_MM,        "Mirror Magic"                  },
1740
1741   { -1,                         NULL                            }
1742 };
1743
1744 static struct ValueTextInfo options_levelset_save_mode[] =
1745 {
1746   { LEVELSET_SAVE_MODE_UPDATE,  "Update this level set"         },
1747   { LEVELSET_SAVE_MODE_CREATE,  "Create new level set"          },
1748
1749   { -1,                         NULL                            }
1750 };
1751
1752 static struct ValueTextInfo options_wind_direction[] =
1753 {
1754   { MV_START_NONE,              "none"                          },
1755   { MV_START_LEFT,              "left"                          },
1756   { MV_START_RIGHT,             "right"                         },
1757   { MV_START_UP,                "up"                            },
1758   { MV_START_DOWN,              "down"                          },
1759
1760   { -1,                         NULL                            }
1761 };
1762
1763 static struct ValueTextInfo options_player_speed[] =
1764 {
1765   { 0,                          "frozen"                        },
1766   { 1,                          "very slow"                     },
1767   { 2,                          "slow"                          },
1768   { 4,                          "normal"                        },
1769   { 8,                          "fast"                          },
1770   { 16,                         "very fast"                     },
1771   { 32,                         "ultrafast"                     },
1772
1773   { -1,                         NULL                            }
1774 };
1775
1776 static struct ValueTextInfo options_access_type[] =
1777 {
1778   { EP_WALKABLE,                "walkable"                      },
1779   { EP_PASSABLE,                "passable"                      },
1780
1781   { -1,                         NULL                            }
1782 };
1783
1784 static struct ValueTextInfo options_access_layer[] =
1785 {
1786   { EP_ACCESSIBLE_OVER,         "over"                          },
1787   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
1788   { EP_ACCESSIBLE_UNDER,        "under"                         },
1789
1790   { -1,                         NULL                            }
1791 };
1792
1793 static struct ValueTextInfo options_access_protected[] =
1794 {
1795   { 0,                          "unprotected"                   },
1796   { 1,                          "protected"                     },
1797
1798   { -1,                         NULL                            }
1799 };
1800
1801 static struct ValueTextInfo options_access_direction[] =
1802 {
1803   { MV_NO_DIRECTION,            "no direction"                  },
1804   { MV_LEFT,                    "left"                          },
1805   { MV_RIGHT,                   "right"                         },
1806   { MV_UP,                      "up"                            },
1807   { MV_DOWN,                    "down"                          },
1808   { MV_LEFT  | MV_UP,           "left + up"                     },
1809   { MV_LEFT  | MV_DOWN,         "left + down"                   },
1810   { MV_RIGHT | MV_UP,           "right + up"                    },
1811   { MV_RIGHT | MV_DOWN,         "right + down"                  },
1812   { MV_HORIZONTAL,              "horizontal"                    },
1813   { MV_VERTICAL,                "vertical"                      },
1814   { MV_HORIZONTAL | MV_UP,      "horizontal + up"               },
1815   { MV_HORIZONTAL | MV_DOWN,    "horizontal + down"             },
1816   { MV_VERTICAL   | MV_LEFT,    "vertical + left"               },
1817   { MV_VERTICAL   | MV_RIGHT,   "vertical + right"              },
1818   { MV_ALL_DIRECTIONS,          "all directions"                },
1819
1820   { -1,                         NULL                            }
1821 };
1822
1823 static struct ValueTextInfo options_walk_to_action[] =
1824 {
1825   { EP_DIGGABLE,                "diggable"                      },
1826   { EP_COLLECTIBLE_ONLY,        "collectible"                   },
1827   { EP_DROPPABLE,               "collectible & droppable"       },
1828   { EP_THROWABLE,               "collectible & throwable"       },
1829   { EP_PUSHABLE,                "pushable"                      },
1830
1831   { -1,                         NULL                            }
1832 };
1833
1834 static struct ValueTextInfo options_move_pattern[] =
1835 {
1836   { MV_LEFT,                    "left"                          },
1837   { MV_RIGHT,                   "right"                         },
1838   { MV_UP,                      "up"                            },
1839   { MV_DOWN,                    "down"                          },
1840   { MV_HORIZONTAL,              "horizontal"                    },
1841   { MV_VERTICAL,                "vertical"                      },
1842   { MV_ALL_DIRECTIONS,          "all directions"                },
1843   { MV_WIND_DIRECTION,          "wind direction"                },
1844   { MV_TOWARDS_PLAYER,          "towards player"                },
1845   { MV_AWAY_FROM_PLAYER,        "away from player"              },
1846   { MV_ALONG_LEFT_SIDE,         "along left side"               },
1847   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
1848   { MV_TURNING_LEFT,            "turning left"                  },
1849   { MV_TURNING_RIGHT,           "turning right"                 },
1850   { MV_TURNING_LEFT_RIGHT,      "turning left, right"           },
1851   { MV_TURNING_RIGHT_LEFT,      "turning right, left"           },
1852   { MV_TURNING_RANDOM,          "turning random"                },
1853   { MV_MAZE_RUNNER,             "maze runner style"             },
1854   { MV_MAZE_HUNTER,             "maze hunter style"             },
1855   { MV_WHEN_PUSHED,             "when pushed"                   },
1856   { MV_WHEN_DROPPED,            "when dropped/thrown"           },
1857
1858   { -1,                         NULL                            }
1859 };
1860
1861 static struct ValueTextInfo options_move_direction[] =
1862 {
1863   { MV_START_AUTOMATIC,         "automatic"                     },
1864   { MV_START_LEFT,              "left"                          },
1865   { MV_START_RIGHT,             "right"                         },
1866   { MV_START_UP,                "up"                            },
1867   { MV_START_DOWN,              "down"                          },
1868   { MV_START_RANDOM,            "random"                        },
1869   { MV_START_PREVIOUS,          "previous"                      },
1870
1871   { -1,                         NULL                            }
1872 };
1873
1874 static struct ValueTextInfo options_move_stepsize[] =
1875 {
1876   { 0,                          "not moving"                    },
1877   { 1,                          "very slow"                     },
1878   { 2,                          "slow"                          },
1879   { 4,                          "normal"                        },
1880   { 8,                          "fast"                          },
1881   { 16,                         "very fast"                     },
1882   { 32,                         "even faster"                   },
1883
1884   { -1,                         NULL                            }
1885 };
1886
1887 static struct ValueTextInfo options_move_leave_type[] =
1888 {
1889   { LEAVE_TYPE_UNLIMITED,       "leave behind"                  },
1890   { LEAVE_TYPE_LIMITED,         "change it to"                  },
1891
1892   { -1,                         NULL                            }
1893 };
1894
1895 static struct ValueTextInfo options_smash_targets[] =
1896 {
1897   { EP_CAN_SMASH_PLAYER,        "player"                        },
1898 #if 0
1899   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
1900 #endif
1901   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
1902
1903   { -1,                         NULL                            }
1904 };
1905
1906 static struct ValueTextInfo options_slippery_type[] =
1907 {
1908   { SLIPPERY_ANY_RANDOM,        "random"                        },
1909   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
1910   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
1911   { SLIPPERY_ONLY_LEFT,         "only left"                     },
1912   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
1913
1914   { -1,                         NULL                            }
1915 };
1916
1917 static struct ValueTextInfo options_deadliness[] =
1918 {
1919   { EP_DONT_RUN_INTO,           "running into"                  },
1920   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
1921   { EP_DONT_GET_HIT_BY,         "getting hit by"                },
1922   { EP_DONT_TOUCH,              "touching"                      },
1923
1924   { -1,                         NULL                            }
1925 };
1926
1927 static struct ValueTextInfo options_explosion_type[] =
1928 {
1929   { EXPLODES_3X3,               "3x3"                           },
1930   { EXPLODES_CROSS,             "3+3"                           },
1931   { EXPLODES_1X1,               "1x1"                           },
1932
1933   { -1,                         NULL                            }
1934 };
1935
1936 static struct ValueTextInfo options_time_units[] =
1937 {
1938   { 1,                          "frames"                        },
1939   { FRAMES_PER_SECOND,          "seconds"                       },
1940
1941   { -1,                         NULL                            }
1942 };
1943
1944 static struct ValueTextInfo options_change_direct_action[] =
1945 {
1946   { CE_TOUCHED_BY_PLAYER,       "touched by player"             },
1947   { CE_PRESSED_BY_PLAYER,       "pressed by player"             },
1948   { CE_SWITCHED_BY_PLAYER,      "switched by player"            },
1949   { CE_SNAPPED_BY_PLAYER,       "snapped by player"             },
1950   { CE_PUSHED_BY_PLAYER,        "pushed by player"              },
1951   { CE_ENTERED_BY_PLAYER,       "entered by player"             },
1952   { CE_LEFT_BY_PLAYER,          "left by player"                },
1953   { CE_DROPPED_BY_PLAYER,       "dropped/thrown by player"      },
1954   { CE_SWITCHED,                "switched"                      },
1955   { CE_HITTING_SOMETHING,       "hitting something"             },
1956   { CE_HIT_BY_SOMETHING,        "hit by something"              },
1957 #if 0
1958   { CE_BLOCKED,                 "blocked"                       },
1959 #endif
1960   { CE_IMPACT,                  "impact (on something)"         },
1961   { CE_SMASHED,                 "smashed (from above)"          },
1962 #if 0
1963   { CE_VALUE_CHANGES,           "CE value changes"              },
1964   { CE_SCORE_CHANGES,           "CE score changes"              },
1965 #endif
1966   { CE_VALUE_GETS_ZERO,         "CE value gets 0"               },
1967   { CE_SCORE_GETS_ZERO,         "CE score gets 0"               },
1968   { CE_UNDEFINED,               " "                             },
1969   { CE_HEADLINE_SPECIAL_EVENTS, "[mouse events]"                },
1970   { CE_CLICKED_BY_MOUSE,        "clicked by mouse"              },
1971   { CE_PRESSED_BY_MOUSE,        "pressed by mouse"              },
1972
1973   { -1,                         NULL                            }
1974 };
1975
1976 static struct ValueTextInfo options_change_other_action[] =
1977 {
1978   { CE_PLAYER_TOUCHES_X,        "player touches"                },
1979   { CE_PLAYER_PRESSES_X,        "player presses"                },
1980   { CE_PLAYER_SWITCHES_X,       "player switches"               },
1981   { CE_PLAYER_SNAPS_X,          "player snaps"                  },
1982   { CE_PLAYER_PUSHES_X,         "player pushes"                 },
1983   { CE_PLAYER_ENTERS_X,         "player enters"                 },
1984   { CE_PLAYER_LEAVES_X,         "player leaves"                 },
1985   { CE_PLAYER_DIGS_X,           "player digs"                   },
1986   { CE_PLAYER_COLLECTS_X,       "player collects"               },
1987   { CE_PLAYER_DROPS_X,          "player drops/throws"           },
1988   { CE_TOUCHING_X,              "touching"                      },
1989   { CE_HITTING_X,               "hitting"                       },
1990   { CE_DIGGING_X,               "digging"                       },
1991   { CE_HIT_BY_X,                "hit by"                        },
1992   { CE_SWITCH_OF_X,             "switch of"                     },
1993   { CE_CHANGE_OF_X,             "change by page of"             },
1994   { CE_EXPLOSION_OF_X,          "explosion of"                  },
1995   { CE_MOVE_OF_X,               "move of"                       },
1996   { CE_CREATION_OF_X,           "creation of"                   },
1997   { CE_VALUE_CHANGES_OF_X,      "CE value changes of"           },
1998   { CE_SCORE_CHANGES_OF_X,      "CE score changes of"           },
1999   { CE_VALUE_GETS_ZERO_OF_X,    "CE value gets 0 of"            },
2000   { CE_SCORE_GETS_ZERO_OF_X,    "CE score gets 0 of"            },
2001   { CE_UNDEFINED,               " "                             },
2002   { CE_HEADLINE_SPECIAL_EVENTS, "[mouse events]"                },
2003   { CE_MOUSE_CLICKED_ON_X,      "mouse clicked on"              },
2004   { CE_MOUSE_PRESSED_ON_X,      "mouse pressed on"              },
2005
2006   { -1,                         NULL                            }
2007 };
2008
2009 static struct ValueTextInfo options_change_trigger_side[] =
2010 {
2011   { CH_SIDE_LEFT,               "left"                          },
2012   { CH_SIDE_RIGHT,              "right"                         },
2013   { CH_SIDE_TOP,                "top"                           },
2014   { CH_SIDE_BOTTOM,             "bottom"                        },
2015   { CH_SIDE_LEFT_RIGHT,         "left/right"                    },
2016   { CH_SIDE_TOP_BOTTOM,         "top/bottom"                    },
2017   { CH_SIDE_ANY,                "any"                           },
2018
2019   { -1,                         NULL                            }
2020 };
2021
2022 static struct ValueTextInfo options_change_trigger_player[] =
2023 {
2024   { CH_PLAYER_1,                "1"                             },
2025   { CH_PLAYER_2,                "2"                             },
2026   { CH_PLAYER_3,                "3"                             },
2027   { CH_PLAYER_4,                "4"                             },
2028   { CH_PLAYER_ANY,              "any"                           },
2029
2030   { -1,                         NULL                            }
2031 };
2032
2033 static struct ValueTextInfo options_change_trigger_page[] =
2034 {
2035   { (1 << 0),                   "1"                             },
2036   { (1 << 1),                   "2"                             },
2037   { (1 << 2),                   "3"                             },
2038   { (1 << 3),                   "4"                             },
2039   { (1 << 4),                   "5"                             },
2040   { (1 << 5),                   "6"                             },
2041   { (1 << 6),                   "7"                             },
2042   { (1 << 7),                   "8"                             },
2043   { (1 << 8),                   "9"                             },
2044   { (1 << 9),                   "10"                            },
2045   { (1 << 10),                  "11"                            },
2046   { (1 << 11),                  "12"                            },
2047   { (1 << 12),                  "13"                            },
2048   { (1 << 13),                  "14"                            },
2049   { (1 << 14),                  "15"                            },
2050   { (1 << 15),                  "16"                            },
2051   { (1 << 16),                  "17"                            },
2052   { (1 << 17),                  "18"                            },
2053   { (1 << 18),                  "19"                            },
2054   { (1 << 19),                  "20"                            },
2055   { (1 << 20),                  "21"                            },
2056   { (1 << 21),                  "22"                            },
2057   { (1 << 22),                  "23"                            },
2058   { (1 << 23),                  "24"                            },
2059   { (1 << 24),                  "25"                            },
2060   { (1 << 25),                  "26"                            },
2061   { (1 << 26),                  "27"                            },
2062   { (1 << 27),                  "28"                            },
2063   { (1 << 28),                  "29"                            },
2064   { (1 << 29),                  "30"                            },
2065   { (1 << 30),                  "31"                            },
2066   { (1 << 31),                  "32"                            },
2067   { CH_PAGE_ANY,                "any"                           },
2068
2069   { -1,                         NULL                            }
2070 };
2071
2072 static struct ValueTextInfo options_change_replace_when[] =
2073 {
2074   { CP_WHEN_EMPTY,              "empty"                         },
2075   { CP_WHEN_WALKABLE,           "walkable"                      },
2076   { CP_WHEN_DIGGABLE,           "diggable"                      },
2077   { CP_WHEN_COLLECTIBLE,        "collectible"                   },
2078   { CP_WHEN_REMOVABLE,          "removable"                     },
2079   { CP_WHEN_DESTRUCTIBLE,       "destructible"                  },
2080
2081   { -1,                         NULL                            }
2082 };
2083
2084 static struct ValueTextInfo options_action_type[] =
2085 {
2086   { CA_NO_ACTION,               "no action"                     },
2087   { CA_UNDEFINED,               " "                             },
2088   { CA_HEADLINE_LEVEL_ACTIONS,  "[level]"                       },
2089   { CA_RESTART_LEVEL,           "restart level"                 },
2090   { CA_SHOW_ENVELOPE,           "show envelope"                 },
2091   { CA_SET_LEVEL_TIME,          "set time"                      },
2092   { CA_SET_LEVEL_SCORE,         "set score"                     },
2093   { CA_SET_LEVEL_GEMS,          "set gems"                      },
2094   { CA_SET_LEVEL_WIND,          "set wind dir."                 },
2095   { CA_SET_LEVEL_RANDOM_SEED,   "set rand. seed"                },
2096   { CA_UNDEFINED,               " "                             },
2097   { CA_HEADLINE_PLAYER_ACTIONS, "[player]"                      },
2098   { CA_MOVE_PLAYER,             "move player"                   },
2099   { CA_EXIT_PLAYER,             "exit player"                   },
2100   { CA_KILL_PLAYER,             "kill player"                   },
2101   { CA_SET_PLAYER_KEYS,         "set keys"                      },
2102   { CA_SET_PLAYER_SPEED,        "set speed"                     },
2103   { CA_SET_PLAYER_SHIELD,       "set shield"                    },
2104   { CA_SET_PLAYER_GRAVITY,      "set gravity"                   },
2105   { CA_SET_PLAYER_ARTWORK,      "set artwork"                   },
2106   { CA_SET_PLAYER_INVENTORY,    "set inventory"                 },
2107   { CA_UNDEFINED,               " "                             },
2108   { CA_HEADLINE_CE_ACTIONS,     "[CE]"                          },
2109   { CA_SET_CE_VALUE,            "set CE value"                  },
2110   { CA_SET_CE_SCORE,            "set CE score"                  },
2111   { CA_SET_CE_ARTWORK,          "set CE artwork"                },
2112   { CA_UNDEFINED,               " "                             },
2113   { CA_HEADLINE_ENGINE_ACTIONS, "[engine]"                      },
2114   { CA_SET_ENGINE_SCAN_MODE,    "set scan mode"                 },
2115
2116   { -1,                         NULL                            }
2117 };
2118
2119 static struct ValueTextInfo options_action_mode_none[] =
2120 {
2121   { CA_MODE_UNDEFINED,          " "                             },
2122
2123   { -1,                         NULL                            }
2124 };
2125
2126 static struct ValueTextInfo options_action_mode_assign[] =
2127 {
2128   { CA_MODE_SET,                "="                             },
2129
2130   { -1,                         NULL                            }
2131 };
2132
2133 static struct ValueTextInfo options_action_mode_add_remove[] =
2134 {
2135   { CA_MODE_ADD,                "+"                             },
2136   { CA_MODE_SUBTRACT,           "-"                             },
2137
2138   { -1,                         NULL                            }
2139 };
2140
2141 static struct ValueTextInfo options_action_mode_calculate[] =
2142 {
2143   { CA_MODE_SET,                "="                             },
2144   { CA_MODE_ADD,                "+"                             },
2145   { CA_MODE_SUBTRACT,           "-"                             },
2146   { CA_MODE_MULTIPLY,           "*"                             },
2147   { CA_MODE_DIVIDE,             "/"                             },
2148   { CA_MODE_MODULO,             "%"                             },
2149
2150   { -1,                         NULL                            }
2151 };
2152
2153 static struct ValueTextInfo options_action_arg_none[] =
2154 {
2155   { CA_ARG_UNDEFINED,           "         "                     },
2156
2157   { -1,                         NULL                            }
2158 };
2159
2160 static struct ValueTextInfo options_action_arg_player[] =
2161 {
2162   { CA_ARG_PLAYER_HEADLINE,     "[player]"                      },
2163   { CA_ARG_PLAYER_1,            "1"                             },
2164   { CA_ARG_PLAYER_2,            "2"                             },
2165   { CA_ARG_PLAYER_3,            "3"                             },
2166   { CA_ARG_PLAYER_4,            "4"                             },
2167   { CA_ARG_PLAYER_ANY,          "any"                           },
2168   { CA_ARG_PLAYER_TRIGGER,      "trigger"                       },
2169   { CA_ARG_PLAYER_ACTION,       "action ->"                     },
2170
2171   { -1,                         NULL                            }
2172 };
2173
2174 static struct ValueTextInfo options_action_arg_number[] =
2175 {
2176   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2177   { CA_ARG_0,                   "0"                             },
2178   { CA_ARG_1,                   "1"                             },
2179   { CA_ARG_2,                   "2"                             },
2180   { CA_ARG_3,                   "3"                             },
2181   { CA_ARG_4,                   "4"                             },
2182   { CA_ARG_5,                   "5"                             },
2183   { CA_ARG_10,                  "10"                            },
2184   { CA_ARG_100,                 "100"                           },
2185   { CA_ARG_1000,                "1000"                          },
2186   { CA_ARG_UNDEFINED,           " "                             },
2187   { CA_ARG_NUMBER_MIN,          "min"                           },
2188   { CA_ARG_NUMBER_MAX,          "max"                           },
2189   { CA_ARG_UNDEFINED,           " "                             },
2190   { CA_ARG_NUMBER_RESET,        "reset"                         },
2191   { CA_ARG_UNDEFINED,           " "                             },
2192   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2193   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2194   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2195   { CA_ARG_UNDEFINED,           " "                             },
2196   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2197   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2198   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2199   { CA_ARG_UNDEFINED,           " "                             },
2200   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2201   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2202   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2203   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2204   { CA_ARG_UNDEFINED,           " "                             },
2205   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2206   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2207   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2208   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2209
2210   { -1,                         NULL                            }
2211 };
2212
2213 static struct ValueTextInfo options_action_arg_value[] =
2214 {
2215   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2216   { CA_ARG_0,                   "0"                             },
2217   { CA_ARG_1,                   "1"                             },
2218   { CA_ARG_2,                   "2"                             },
2219   { CA_ARG_3,                   "3"                             },
2220   { CA_ARG_4,                   "4"                             },
2221   { CA_ARG_5,                   "5"                             },
2222   { CA_ARG_10,                  "10"                            },
2223   { CA_ARG_100,                 "100"                           },
2224   { CA_ARG_1000,                "1000"                          },
2225   { CA_ARG_UNDEFINED,           " "                             },
2226   { CA_ARG_NUMBER_MIN,          "min"                           },
2227   { CA_ARG_NUMBER_MAX,          "max"                           },
2228   { CA_ARG_UNDEFINED,           " "                             },
2229   { CA_ARG_NUMBER_RESET,        "reset"                         },
2230   { CA_ARG_UNDEFINED,           " "                             },
2231   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2232   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2233   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2234   { CA_ARG_UNDEFINED,           " "                             },
2235   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2236   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2237   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2238   { CA_ARG_UNDEFINED,           " "                             },
2239   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2240   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2241   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2242   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2243   { CA_ARG_UNDEFINED,           " "                             },
2244   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2245   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2246   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2247   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2248   { CA_ARG_UNDEFINED,           " "                             },
2249   { CA_ARG_ELEMENT_NR_HEADLINE, "[element]"                     },
2250   { CA_ARG_ELEMENT_NR_TARGET,   "target"                        },
2251   { CA_ARG_ELEMENT_NR_TRIGGER,  "trigger"                       },
2252   { CA_ARG_ELEMENT_NR_ACTION,   "action ->"                     },
2253
2254   { -1,                         NULL                            }
2255 };
2256
2257 static struct ValueTextInfo options_action_arg_envelope[] =
2258 {
2259   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2260   { CA_ARG_1,                   "1"                             },
2261   { CA_ARG_2,                   "2"                             },
2262   { CA_ARG_3,                   "3"                             },
2263   { CA_ARG_4,                   "4"                             },
2264   { CA_ARG_UNDEFINED,           " "                             },
2265   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2266   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2267   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2268   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2269
2270   { -1,                         NULL                            }
2271 };
2272
2273 static struct ValueTextInfo options_action_arg_key[] =
2274 {
2275   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2276   { CA_ARG_1,                   "1"                             },
2277   { CA_ARG_2,                   "2"                             },
2278   { CA_ARG_3,                   "3"                             },
2279   { CA_ARG_4,                   "4"                             },
2280   { CA_ARG_5,                   "5"                             },
2281   { CA_ARG_6,                   "6"                             },
2282   { CA_ARG_7,                   "7"                             },
2283   { CA_ARG_8,                   "8"                             },
2284   { CA_ARG_UNDEFINED,           " "                             },
2285   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2286   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2287   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2288   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2289
2290   { -1,                         NULL                            }
2291 };
2292
2293 static struct ValueTextInfo options_action_arg_speed[] =
2294 {
2295   { CA_ARG_SPEED_HEADLINE,      "[speed]"                       },
2296   { CA_ARG_SPEED_NOT_MOVING,    "frozen"                        },
2297   { CA_ARG_SPEED_VERY_SLOW,     "very slow"                     },
2298   { CA_ARG_SPEED_SLOW,          "slow"                          },
2299   { CA_ARG_SPEED_NORMAL,        "normal"                        },
2300   { CA_ARG_SPEED_FAST,          "fast"                          },
2301   { CA_ARG_SPEED_VERY_FAST,     "very fast"                     },
2302   { CA_ARG_SPEED_EVEN_FASTER,   "ultrafast"                     },
2303   { CA_ARG_UNDEFINED,           " "                             },
2304   { CA_ARG_SPEED_SLOWER,        "slower"                        },
2305   { CA_ARG_SPEED_FASTER,        "faster"                        },
2306   { CA_ARG_UNDEFINED,           " "                             },
2307   { CA_ARG_SPEED_RESET,         "reset"                         },
2308
2309   { -1,                         NULL                            }
2310 };
2311
2312 static struct ValueTextInfo options_action_arg_shield[] =
2313 {
2314   { CA_ARG_SHIELD_HEADLINE,     "[shield]"                      },
2315   { CA_ARG_SHIELD_OFF,          "off"                           },
2316   { CA_ARG_SHIELD_NORMAL,       "normal"                        },
2317   { CA_ARG_SHIELD_DEADLY,       "deadly"                        },
2318
2319   { -1,                         NULL                            }
2320 };
2321
2322 static struct ValueTextInfo options_action_arg_artwork[] =
2323 {
2324   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2325   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2326   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2327   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2328   { CA_ARG_UNDEFINED,           " "                             },
2329   { CA_ARG_ELEMENT_RESET,       "reset"                         },
2330
2331   { -1,                         NULL                            }
2332 };
2333
2334 static struct ValueTextInfo options_action_arg_gravity[] =
2335 {
2336   { CA_ARG_GRAVITY_HEADLINE,    "[gravity]"                     },
2337   { CA_ARG_GRAVITY_ON,          "on"                            },
2338   { CA_ARG_GRAVITY_OFF,         "off"                           },
2339   { CA_ARG_GRAVITY_TOGGLE,      "toggle"                        },
2340
2341   { -1,                         NULL                            }
2342 };
2343
2344 static struct ValueTextInfo options_action_arg_direction[] =
2345 {
2346   { CA_ARG_DIRECTION_HEADLINE,  "[dir.]"                        },
2347   { CA_ARG_DIRECTION_NONE,      "none"                          },
2348   { CA_ARG_DIRECTION_LEFT,      "left"                          },
2349   { CA_ARG_DIRECTION_RIGHT,     "right"                         },
2350   { CA_ARG_DIRECTION_UP,        "up"                            },
2351   { CA_ARG_DIRECTION_DOWN,      "down"                          },
2352   { CA_ARG_DIRECTION_TRIGGER,   "trigger"                       },
2353   { CA_ARG_DIRECTION_TRIGGER_BACK, "-trigger"                   },
2354
2355   { -1,                         NULL                            }
2356 };
2357
2358 static struct ValueTextInfo options_action_arg_scan_mode[] =
2359 {
2360   { CA_ARG_SCAN_MODE_HEADLINE,  "[mode]"                        },
2361   { CA_ARG_SCAN_MODE_NORMAL,    "normal"                        },
2362   { CA_ARG_SCAN_MODE_REVERSE,   "reverse"                       },
2363
2364   { -1,                         NULL                            }
2365 };
2366
2367 static struct ValueTextInfo options_action_arg_inventory[] =
2368 {
2369   { CA_ARG_INVENTORY_HEADLINE,  "[add]"                         },
2370   { CA_ARG_ELEMENT_TARGET,      "+ target"                      },
2371   { CA_ARG_ELEMENT_TRIGGER,     "+ trigger"                     },
2372   { CA_ARG_ELEMENT_ACTION,      "+ action"                      },
2373   { CA_ARG_UNDEFINED,           " "                             },
2374   { CA_ARG_INVENTORY_RM_HEADLINE,"[remove]"                     },
2375   { CA_ARG_INVENTORY_RM_TARGET, "- target"                      },
2376   { CA_ARG_INVENTORY_RM_TRIGGER,"- trigger"                     },
2377   { CA_ARG_INVENTORY_RM_ACTION, "- action"                      },
2378   { CA_ARG_INVENTORY_RM_FIRST,  "- first"                       },
2379   { CA_ARG_INVENTORY_RM_LAST,   "- last"                        },
2380   { CA_ARG_INVENTORY_RM_ALL,    "- all"                         },
2381   { CA_ARG_UNDEFINED,           " "                             },
2382   { CA_ARG_INVENTORY_RESET,     "reset"                         },
2383
2384   { -1,                         NULL                            }
2385 };
2386
2387 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
2388 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
2389 {
2390   { -1,                         NULL                            }
2391 };
2392
2393 static struct ValueTextInfo options_group_choice_mode[] =
2394 {
2395   { ANIM_RANDOM,                "random"                        },
2396   { ANIM_LOOP,                  "loop"                          },
2397   { ANIM_LINEAR,                "linear"                        },
2398   { ANIM_PINGPONG,              "pingpong"                      },
2399   { ANIM_PINGPONG2,             "pingpong 2"                    },
2400
2401   { -1,                         NULL                            }
2402 };
2403
2404 static struct ValueTextInfo *action_arg_modes[] =
2405 {
2406   options_action_mode_none,
2407   options_action_mode_assign,
2408   options_action_mode_add_remove,
2409   options_action_mode_calculate,
2410 };
2411
2412 static struct
2413 {
2414   int value;
2415   int mode;
2416   struct ValueTextInfo *options;
2417 }
2418 action_arg_options[] =
2419 {
2420   { CA_NO_ACTION,               0,      options_action_arg_none,        },
2421   { CA_EXIT_PLAYER,             0,      options_action_arg_player,      },
2422   { CA_KILL_PLAYER,             0,      options_action_arg_player,      },
2423   { CA_MOVE_PLAYER,             0,      options_action_arg_direction,   },
2424   { CA_RESTART_LEVEL,           0,      options_action_arg_none,        },
2425   { CA_SHOW_ENVELOPE,           0,      options_action_arg_envelope,    },
2426   { CA_SET_LEVEL_TIME,          3,      options_action_arg_number,      },
2427   { CA_SET_LEVEL_GEMS,          3,      options_action_arg_number,      },
2428   { CA_SET_LEVEL_SCORE,         3,      options_action_arg_number,      },
2429   { CA_SET_LEVEL_WIND,          1,      options_action_arg_direction,   },
2430   { CA_SET_LEVEL_RANDOM_SEED,   1,      options_action_arg_number,      },
2431   { CA_SET_PLAYER_KEYS,         2,      options_action_arg_key,         },
2432   { CA_SET_PLAYER_SPEED,        1,      options_action_arg_speed,       },
2433   { CA_SET_PLAYER_SHIELD,       1,      options_action_arg_shield,      },
2434   { CA_SET_PLAYER_GRAVITY,      1,      options_action_arg_gravity,     },
2435   { CA_SET_PLAYER_ARTWORK,      1,      options_action_arg_artwork,     },
2436   { CA_SET_PLAYER_INVENTORY,    0,      options_action_arg_inventory,   },
2437   { CA_SET_CE_VALUE,            3,      options_action_arg_value,       },
2438   { CA_SET_CE_SCORE,            3,      options_action_arg_value,       },
2439   { CA_SET_CE_ARTWORK,          1,      options_action_arg_artwork,     },
2440   { CA_SET_ENGINE_SCAN_MODE,    1,      options_action_arg_scan_mode,   },
2441
2442   { -1,                         FALSE,  NULL                            }
2443 };
2444
2445 static struct
2446 {
2447   int x, y;
2448   int gadget_id;
2449   int gadget_id_align;
2450   int size;     // char size of selectbox or '-1' (dynamically determined)
2451   struct ValueTextInfo *options;
2452   int *value;
2453   char *text_above, *text_left, *text_right, *infotext;
2454 } selectbox_info[ED_NUM_SELECTBOX] =
2455 {
2456   // ---------- level and editor settings -------------------------------------
2457
2458   {
2459     -1,                                 ED_LEVEL_SETTINGS_YPOS(8),
2460     GADGET_ID_TIME_OR_STEPS,            GADGET_ID_LEVEL_TIMELIMIT_UP,
2461     -1,
2462     options_time_or_steps,
2463     &level.use_step_counter,
2464     NULL, NULL, "(0 => no limit)",      "time or step limit"
2465   },
2466   {
2467     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(11),
2468     GADGET_ID_GAME_ENGINE_TYPE,         GADGET_ID_NONE,
2469     -1,
2470     options_game_engine_type,
2471     &level.game_engine_type,
2472     NULL, "game engine:", NULL,         "game engine"
2473   },
2474   {
2475     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
2476     GADGET_ID_LEVELSET_SAVE_MODE,       GADGET_ID_NONE,
2477     -1,
2478     options_levelset_save_mode,
2479     &levelset_save_mode,
2480     "Action:", NULL, NULL,              "action when saving level set"
2481   },
2482
2483   // ---------- element settings: configure (several elements) ----------------
2484
2485   {
2486     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2487     GADGET_ID_WIND_DIRECTION,           GADGET_ID_NONE,
2488     -1,
2489     options_wind_direction,
2490     &level.wind_direction_initial,
2491     NULL, "initial wind direction:", NULL,      "initial wind direction"
2492   },
2493   {
2494     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2495     GADGET_ID_PLAYER_SPEED,             GADGET_ID_NONE,
2496     -1,
2497     options_player_speed,
2498     &level.initial_player_stepsize[0],
2499     NULL, "initial player speed:", NULL,        "initial player speed"
2500   },
2501
2502   // ---------- element settings: configure 1 (custom elements) ---------------
2503
2504   {
2505     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2506     GADGET_ID_CUSTOM_ACCESS_TYPE,       GADGET_ID_NONE,
2507     -1,
2508     options_access_type,
2509     &custom_element.access_type,
2510     NULL, NULL, NULL,                   "type of access to this field"
2511   },
2512   {
2513     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2514     GADGET_ID_CUSTOM_ACCESS_LAYER,      GADGET_ID_CUSTOM_ACCESS_TYPE,
2515     -1,
2516     options_access_layer,
2517     &custom_element.access_layer,
2518     NULL, NULL, NULL,                   "layer of access for this field"
2519   },
2520   {
2521     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2522     GADGET_ID_CUSTOM_ACCESS_PROTECTED,  GADGET_ID_CUSTOM_ACCESS_LAYER,
2523     -1,
2524     options_access_protected,
2525     &custom_element.access_protected,
2526     NULL, NULL, NULL,                   "protected access for this field"
2527   },
2528   {
2529     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2530     GADGET_ID_CUSTOM_ACCESS_DIRECTION,  GADGET_ID_NONE,
2531     -1,
2532     options_access_direction,
2533     &custom_element.access_direction,
2534     NULL, "from", NULL,                 "access direction for this field"
2535   },
2536   {
2537     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2538     GADGET_ID_CUSTOM_WALK_TO_ACTION,    GADGET_ID_NONE,
2539     -1,
2540     options_walk_to_action,
2541     &custom_element.walk_to_action,
2542     NULL, NULL, NULL,                   "diggable/collectible/pushable"
2543   },
2544
2545   // ---------- element settings: configure 2 (custom elements) ---------------
2546
2547   {
2548     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(1),
2549     GADGET_ID_CUSTOM_MOVE_PATTERN,      GADGET_ID_NONE,
2550     -1,
2551     options_move_pattern,
2552     &custom_element.move_pattern,
2553     NULL, "can move", NULL,             "element move pattern"
2554   },
2555   {
2556     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2557     GADGET_ID_CUSTOM_MOVE_DIRECTION,    GADGET_ID_NONE,
2558     -1,
2559     options_move_direction,
2560     &custom_element.move_direction_initial,
2561     NULL, "starts moving", NULL,        "initial element move direction"
2562   },
2563   {
2564     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2565     GADGET_ID_CUSTOM_MOVE_STEPSIZE,     GADGET_ID_NONE,
2566     -1,
2567     options_move_stepsize,
2568     &custom_element.move_stepsize,
2569     NULL, "move/fall speed", NULL,      "speed of element movement"
2570   },
2571   {
2572     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2573     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,   GADGET_ID_NONE,
2574     -1,
2575     options_move_leave_type,
2576     &custom_element.move_leave_type,
2577     // left text with leading spaces to place gadget next to "can dig" gadget
2578     // (needed because drawing area gadgets created after selectbox gadgets)
2579     // NULL, "can dig:    can", ":",    "leave behind or change element"
2580     NULL, "            can", ":",       "leave behind or change element"
2581   },
2582   {
2583     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
2584     GADGET_ID_CUSTOM_SMASH_TARGETS,     GADGET_ID_CUSTOM_CAN_SMASH,
2585     -1,
2586     options_smash_targets,
2587     &custom_element.smash_targets,
2588     NULL, "can smash", NULL,            "elements that can be smashed"
2589   },
2590   {
2591     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
2592     GADGET_ID_CUSTOM_SLIPPERY_TYPE,     GADGET_ID_NONE,
2593     -1,
2594     options_slippery_type,
2595     &custom_element.slippery_type,
2596     NULL, "slippery", NULL,             "where other elements fall down"
2597   },
2598   {
2599     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
2600     GADGET_ID_CUSTOM_DEADLINESS,        GADGET_ID_NONE,
2601     -1,
2602     options_deadliness,
2603     &custom_element.deadliness,
2604     NULL, "deadly when", NULL,          "deadliness of element"
2605   },
2606   {
2607     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(10),
2608     GADGET_ID_CUSTOM_EXPLOSION_TYPE,    GADGET_ID_NONE,
2609     -1,
2610     options_explosion_type,
2611     &custom_element.explosion_type,
2612     NULL, "can explode", NULL,          "explosion type"
2613   },
2614
2615   // ---------- element settings: advanced (custom elements) ------------------
2616
2617   {
2618     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(3),
2619     GADGET_ID_CHANGE_TIME_UNITS,        GADGET_ID_NONE,
2620     -1,
2621     options_time_units,
2622     &custom_element_change.delay_frames,
2623     NULL, "delay time given in", NULL,  "delay time units for change"
2624   },
2625   {
2626     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(4),
2627     GADGET_ID_CHANGE_DIRECT_ACTION,     GADGET_ID_NONE,
2628     -1,
2629     options_change_direct_action,
2630     &custom_element_change.direct_action,
2631     NULL, NULL, NULL,                   "type of direct action"
2632   },
2633   {
2634     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(5),
2635     GADGET_ID_CHANGE_OTHER_ACTION,      GADGET_ID_NONE,
2636     -1,
2637     options_change_other_action,
2638     &custom_element_change.other_action,
2639     NULL, NULL, "element:",             "type of other element action"
2640   },
2641   {
2642     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(6),
2643     GADGET_ID_CHANGE_SIDE,              GADGET_ID_NONE,
2644     -1,
2645     options_change_trigger_side,
2646     &custom_element_change.trigger_side,
2647     NULL, "at", "side",                 "element side triggering change"
2648   },
2649   {
2650     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2651     GADGET_ID_CHANGE_PLAYER,            GADGET_ID_NONE,
2652     -1,
2653     options_change_trigger_player,
2654     &custom_element_change.trigger_player,
2655     NULL, "player:", " ",               "player that causes change"
2656   },
2657   {
2658     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2659     GADGET_ID_CHANGE_PAGE,              GADGET_ID_CHANGE_PLAYER,
2660     -1,
2661     options_change_trigger_page,
2662     &custom_element_change.trigger_page,
2663     NULL, "page:", NULL,                "change page that causes change"
2664   },
2665   {
2666     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(10),
2667     GADGET_ID_CHANGE_REPLACE_WHEN,      GADGET_ID_NONE,
2668     -1,
2669     options_change_replace_when,
2670     &custom_element_change.replace_when,
2671     NULL, "replace when", NULL,         "which elements can be replaced"
2672   },
2673   {
2674     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
2675     GADGET_ID_ACTION_TYPE,              GADGET_ID_NONE,
2676     -1,
2677     options_action_type,
2678     &custom_element_change.action_type,
2679     NULL, NULL, NULL,                   "action on specified condition"
2680   },
2681   {
2682     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2683     GADGET_ID_ACTION_MODE,              GADGET_ID_ACTION_TYPE,
2684     -1,
2685     options_action_mode_none,
2686     &custom_element_change.action_mode,
2687     NULL, NULL, NULL,                   "action operator"
2688   },
2689   {
2690     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2691     GADGET_ID_ACTION_ARG,               GADGET_ID_ACTION_MODE,
2692     -1,
2693     options_action_arg_none,
2694     &custom_element_change.action_arg,
2695     NULL, NULL, NULL,                   "action parameter"
2696   },
2697   {
2698     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
2699     GADGET_ID_SELECT_CHANGE_PAGE,       GADGET_ID_NONE,
2700     3,
2701     options_change_page,
2702     &custom_element.current_change_page,
2703     NULL, NULL, NULL,                   "element change page"
2704   },
2705
2706   // ---------- element settings: configure (group elements) ------------------
2707
2708   {
2709     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2710     GADGET_ID_GROUP_CHOICE_MODE,        GADGET_ID_NONE,
2711     -1,
2712     options_group_choice_mode,
2713     &group_element_info.choice_mode,
2714     NULL, "choice type:", NULL,         "type of group element choice"
2715   },
2716 };
2717
2718 static struct
2719 {
2720   int x, y;
2721   int gadget_id;
2722   int gadget_id_align;
2723   int size;
2724   char *text;
2725   char *text_above, *text_left, *text_right, *infotext;
2726 } textbutton_info[ED_NUM_TEXTBUTTONS] =
2727 {
2728   // ---------- level and editor settings (tabs) ------------------------------
2729
2730   {
2731     ED_LEVEL_TABS_XPOS(0),              ED_LEVEL_TABS_YPOS(0),
2732     GADGET_ID_LEVELINFO_LEVEL,          GADGET_ID_NONE,
2733     8,                                  "Level",
2734     NULL, NULL, NULL,                   "Configure level properties"
2735   },
2736   {
2737     -1,                                 -1,
2738     GADGET_ID_LEVELINFO_LEVELSET,       GADGET_ID_LEVELINFO_LEVEL,
2739     8,                                  "Levelset",
2740     NULL, NULL, NULL,                   "Update this or create new level set"
2741   },
2742   {
2743     -1,                                 -1,
2744     GADGET_ID_LEVELINFO_EDITOR,         GADGET_ID_LEVELINFO_LEVELSET,
2745     8,                                  "Editor",
2746     NULL, NULL, NULL,                   "Configure editor properties"
2747   },
2748
2749   // ---------- element settings (tabs) ---------------------------------------
2750
2751   {
2752     ED_ELEMENT_TABS_XPOS(0),            ED_ELEMENT_TABS_YPOS(0),
2753     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
2754     8,                                  "Info",
2755     NULL, NULL, NULL,                   "Show information about element"
2756   },
2757   {
2758     -1,                                 -1,
2759     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_PROPERTIES_INFO,
2760     8,                                  "Config",
2761     NULL, NULL, NULL,                   "Configure element properties"
2762   },
2763   {
2764     -1,                                 -1,
2765     GADGET_ID_PROPERTIES_CONFIG_1,      GADGET_ID_PROPERTIES_INFO,
2766     8,                                  "Config 1",
2767     NULL, NULL, NULL,                   "Configure element properties, part 1"
2768   },
2769   {
2770     -1,                                 -1,
2771     GADGET_ID_PROPERTIES_CONFIG_2,      GADGET_ID_PROPERTIES_CONFIG_1,
2772     8,                                  "Config 2",
2773     NULL, NULL, NULL,                   "Configure element properties, part 2"
2774   },
2775   {
2776     -1,                                 -1,
2777     GADGET_ID_PROPERTIES_CHANGE,        GADGET_ID_PROPERTIES_CONFIG_2,
2778     8,                                  "Change",
2779     NULL, NULL, NULL,                   "Configure custom element change pages"
2780   },
2781
2782   // ---------- level and editor settings (buttons) ---------------------------
2783
2784   {
2785     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
2786     GADGET_ID_SAVE_LEVELSET,            GADGET_ID_LEVELSET_SAVE_MODE,
2787     -1,                                 "Save",
2788     NULL, NULL, NULL,                   "Update or create level set"
2789   },
2790   {
2791     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
2792     GADGET_ID_SAVE_AS_TEMPLATE_2,       GADGET_ID_NONE,
2793     -1,                                 "Save",
2794     NULL, NULL,                         "this level as level template",
2795     "Save current settings as new template"
2796   },
2797
2798   // ---------- element settings (buttons) ------------------------------------
2799
2800   {
2801     -1,                                 -1,
2802     GADGET_ID_SAVE_AS_TEMPLATE_1,       GADGET_ID_CUSTOM_USE_TEMPLATE_1,
2803     -1,                                 "Save",
2804     NULL, " ",                          "As Template",
2805     "Save current settings as new template"
2806   },
2807   {
2808     -1,                                 -1,
2809     GADGET_ID_ADD_CHANGE_PAGE,          GADGET_ID_PASTE_CHANGE_PAGE,
2810     -1,                                 "New",
2811     NULL, NULL, NULL,                   "Add new change page"
2812   },
2813   {
2814     -1,                                 -1,
2815     GADGET_ID_DEL_CHANGE_PAGE,          GADGET_ID_ADD_CHANGE_PAGE,
2816     -1,                                 "Delete",
2817     NULL, NULL, NULL,                   "Delete current change page"
2818   },
2819 };
2820
2821 static struct
2822 {
2823   int graphic;
2824   int x, y;
2825   int gadget_id;
2826   int gadget_id_align;
2827   char *text_left, *text_right, *infotext;
2828 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
2829 {
2830   {
2831     IMG_EDITOR_COUNTER_DOWN,
2832     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
2833     GADGET_ID_PREV_CHANGE_PAGE,         GADGET_ID_NONE,
2834     NULL, NULL,                         "select previous change page"
2835   },
2836   {
2837     IMG_EDITOR_COUNTER_UP,
2838     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2839     GADGET_ID_NEXT_CHANGE_PAGE,         GADGET_ID_SELECT_CHANGE_PAGE,
2840     NULL, "change page",                "select next change page"
2841   },
2842   {
2843     IMG_GFX_EDITOR_BUTTON_CP_COPY,
2844     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2845     GADGET_ID_COPY_CHANGE_PAGE,         GADGET_ID_NEXT_CHANGE_PAGE,
2846     " ", NULL,                          "copy settings from this change page"
2847   },
2848   {
2849     IMG_GFX_EDITOR_BUTTON_CP_PASTE,
2850     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2851     GADGET_ID_PASTE_CHANGE_PAGE,        GADGET_ID_COPY_CHANGE_PAGE,
2852     NULL, NULL,                         "paste settings to this change page"
2853   },
2854 };
2855
2856 static struct
2857 {
2858   int x, y;
2859 } scrollbutton_pos[ED_NUM_SCROLLBUTTONS];
2860
2861 static struct
2862 {
2863   int graphic;
2864   int gadget_id;
2865   char *infotext;
2866 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
2867 {
2868   {
2869     IMG_EDITOR_PLAYFIELD_SCROLL_UP,
2870     GADGET_ID_SCROLL_UP,
2871     "scroll level editing area up"
2872   },
2873   {
2874     IMG_EDITOR_PLAYFIELD_SCROLL_DOWN,
2875     GADGET_ID_SCROLL_DOWN,
2876     "scroll level editing area down"
2877   },
2878   {
2879     IMG_EDITOR_PLAYFIELD_SCROLL_LEFT,
2880     GADGET_ID_SCROLL_LEFT,
2881     "scroll level editing area left"
2882   },
2883   {
2884     IMG_EDITOR_PLAYFIELD_SCROLL_RIGHT,
2885     GADGET_ID_SCROLL_RIGHT,
2886     "scroll level editing area right"
2887   },
2888   {
2889     IMG_EDITOR_PALETTE_SCROLL_UP,
2890     GADGET_ID_SCROLL_LIST_UP,
2891     "scroll element list up ('Page Up')"
2892   },
2893   {
2894     IMG_EDITOR_PALETTE_SCROLL_DOWN,
2895     GADGET_ID_SCROLL_LIST_DOWN,
2896     "scroll element list down ('Page Down')"
2897   },
2898 };
2899
2900 static struct
2901 {
2902   int x, y;
2903   int width, height;
2904   int wheel_x, wheel_y;
2905   int wheel_width, wheel_height;
2906 } scrollbar_pos[ED_NUM_SCROLLBARS];
2907
2908 static struct
2909 {
2910   int graphic;
2911   int type;
2912   int gadget_id;
2913   char *infotext;
2914 } scrollbar_info[ED_NUM_SCROLLBARS] =
2915 {
2916   {
2917     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
2918     GD_TYPE_SCROLLBAR_HORIZONTAL,
2919     GADGET_ID_SCROLL_HORIZONTAL,
2920     "scroll level editing area horizontally"
2921   },
2922   {
2923     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
2924     GD_TYPE_SCROLLBAR_VERTICAL,
2925     GADGET_ID_SCROLL_VERTICAL,
2926     "scroll level editing area vertically"
2927   },
2928   {
2929     IMG_EDITOR_PALETTE_SCROLLBAR,
2930     GD_TYPE_SCROLLBAR_VERTICAL,
2931     GADGET_ID_SCROLL_LIST_VERTICAL,
2932     "scroll element list vertically"
2933   }
2934 };
2935
2936
2937 static struct
2938 {
2939   int x, y;
2940   int gadget_id;
2941   int gadget_id_align;
2942   int radio_button_nr;
2943   int *value;
2944   int checked_value;
2945   char *text_left, *text_right, *infotext;
2946 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
2947 {
2948   {
2949     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
2950     GADGET_ID_RANDOM_PERCENTAGE,        GADGET_ID_LEVEL_RANDOM_UP,
2951     RADIO_NR_RANDOM_ELEMENTS,
2952     &random_placement_method,           RANDOM_USE_PERCENTAGE,
2953     " ", "percentage",                  "use percentage for random elements"
2954   },
2955   {
2956     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
2957     GADGET_ID_RANDOM_QUANTITY,          GADGET_ID_RANDOM_PERCENTAGE,
2958     RADIO_NR_RANDOM_ELEMENTS,
2959     &random_placement_method,           RANDOM_USE_QUANTITY,
2960     " ", "quantity",                    "use quantity for random elements"
2961   }
2962 };
2963
2964 static struct
2965 {
2966   int x, y;
2967   int gadget_id;
2968   int gadget_id_align;
2969   boolean *value;
2970   char *text_above, *text_left, *text_right, *infotext;
2971 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
2972 {
2973   // ---------- level and editor settings -------------------------------------
2974
2975   {
2976     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
2977     GADGET_ID_AUTO_COUNT_GEMS,          GADGET_ID_NONE,
2978     &level.auto_count_gems,
2979     NULL, NULL,
2980     "automatically count gems needed",  "set counter to number of gems"
2981   },
2982   {
2983     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(7),
2984     GADGET_ID_USE_LEVELSET_ARTWORK,     GADGET_ID_NONE,
2985     &levelset_use_levelset_artwork,
2986     NULL, NULL,
2987     "use current custom artwork",       "use custom artwork of this level set"
2988   },
2989   {
2990     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
2991     GADGET_ID_COPY_LEVEL_TEMPLATE,      GADGET_ID_NONE,
2992     &levelset_copy_level_template,
2993     NULL, NULL,
2994     "copy current level template",      "copy level template of this level set"
2995   },
2996   {
2997     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
2998     GADGET_ID_RANDOM_RESTRICTED,        GADGET_ID_NONE,
2999     &random_placement_background_restricted,
3000     NULL, NULL,
3001     "restrict random placement to:",    "set random placement restriction"
3002   },
3003   {
3004     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
3005     GADGET_ID_CUSTOM_USE_TEMPLATE_3,    GADGET_ID_NONE,
3006     &setup.editor.use_template_for_new_levels,
3007     "Template for new levels and CE/GE:", NULL,
3008     "use template for new levels",      "use template for level properties"
3009   },
3010   {
3011     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
3012     GADGET_ID_CUSTOM_USE_TEMPLATE_2,    GADGET_ID_NONE,
3013     &level.use_custom_template,
3014     NULL, NULL,
3015     "use template for custom elements", "use template for custom properties"
3016   },
3017
3018   // ---------- element settings: configure (various elements) ----------------
3019
3020   {
3021     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3022     GADGET_ID_STICK_ELEMENT,            GADGET_ID_NONE,
3023     &stick_element_properties_window,
3024     NULL, NULL,
3025     "stick this screen to edit content","stick this screen to edit content"
3026   },
3027   {
3028     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3029     GADGET_ID_EM_SLIPPERY_GEMS,         GADGET_ID_NONE,
3030     &level.em_slippery_gems,
3031     NULL, NULL,
3032     "slip down from certain flat walls","use EM/DC style slipping behaviour"
3033   },
3034   {
3035     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3036     GADGET_ID_EM_EXPLODES_BY_FIRE,      GADGET_ID_NONE,
3037     &level.em_explodes_by_fire,
3038     NULL, NULL,
3039     "explodes with chain reaction",     "use R'n'D style explosion behaviour"
3040   },
3041   {
3042     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3043     GADGET_ID_USE_SPRING_BUG,           GADGET_ID_NONE,
3044     &level.use_spring_bug,
3045     NULL, NULL,
3046     "use spring pushing bug",           "use odd spring pushing behaviour"
3047   },
3048   {
3049     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3050     GADGET_ID_USE_TIME_ORB_BUG,         GADGET_ID_NONE,
3051     &level.use_time_orb_bug,
3052     NULL, NULL,
3053     "use time orb bug",                 "use odd time orb behaviour"
3054   },
3055   {
3056     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3057     GADGET_ID_USE_LIFE_BUGS,            GADGET_ID_NONE,
3058     &level.use_life_bugs,
3059     NULL, NULL,
3060     "use buggy element behaviour",      "use odd (historic) element behaviour"
3061   },
3062   {
3063     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3064     GADGET_ID_RANDOM_BALL_CONTENT,      GADGET_ID_NONE,
3065     &level.ball_random,
3066     NULL, NULL,
3067     "create single random element",     "only create one element from content"
3068   },
3069   {
3070     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3071     GADGET_ID_INITIAL_BALL_ACTIVE,      GADGET_ID_NONE,
3072     &level.ball_active_initial,
3073     NULL, NULL,
3074     "magic ball initially activated",   "activate magic ball after level start"
3075   },
3076   {
3077     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3078     GADGET_ID_GROW_INTO_DIGGABLE,       GADGET_ID_NONE,
3079     &level.grow_into_diggable,
3080     NULL, NULL,
3081     "can grow into anything diggable",  "grow into more than just sand"
3082   },
3083   {
3084     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3085     GADGET_ID_SB_FIELDS_NEEDED,         GADGET_ID_NONE,
3086     &level.sb_fields_needed,
3087     NULL, NULL,
3088     "all fields need to be filled",     "require all SB fields to be solved"
3089   },
3090   {
3091     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3092     GADGET_ID_SB_OBJECTS_NEEDED,        GADGET_ID_NONE,
3093     &level.sb_objects_needed,
3094     NULL, NULL,
3095     "all objects need to be placed",    "require all SB objects to be solved"
3096   },
3097   {
3098     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3099     GADGET_ID_AUTO_EXIT_SOKOBAN,        GADGET_ID_NONE,
3100     &level.auto_exit_sokoban,
3101     NULL, NULL,
3102     "exit level if all tasks solved",   "automatically finish Sokoban levels"
3103   },
3104   {
3105     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3106     GADGET_ID_SOLVED_BY_ONE_PLAYER,     GADGET_ID_NONE,
3107     &level.solved_by_one_player,
3108     NULL, NULL,
3109     "only one player must enter exit",  "level solved by first player in exit"
3110   },
3111   {
3112     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3113     GADGET_ID_CONTINUOUS_SNAPPING,      GADGET_ID_NONE,
3114     &level.continuous_snapping,
3115     NULL, NULL,
3116     "continuous snapping",              "use snapping without releasing key"
3117   },
3118   {
3119     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3120     GADGET_ID_BLOCK_SNAP_FIELD,         GADGET_ID_NONE,
3121     &level.block_snap_field,
3122     NULL, NULL,
3123     "block snapped field when snapping", "use snapping delay to show animation"
3124   },
3125   {
3126     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3127     GADGET_ID_BLOCK_LAST_FIELD,         GADGET_ID_NONE,
3128     &level.block_last_field,
3129     NULL, NULL,
3130     "block last field when moving",     "player blocks last field when moving"
3131   },
3132   {
3133     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3134     GADGET_ID_SP_BLOCK_LAST_FIELD,      GADGET_ID_NONE,
3135     &level.sp_block_last_field,
3136     NULL, NULL,
3137     "block last field when moving",     "player blocks last field when moving"
3138   },
3139   {
3140     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3141     GADGET_ID_INSTANT_RELOCATION,       GADGET_ID_NONE,
3142     &level.instant_relocation,
3143     NULL, NULL,
3144     "no scrolling when relocating",     "player gets relocated without delay"
3145   },
3146   {
3147     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3148     GADGET_ID_SHIFTED_RELOCATION,       GADGET_ID_NONE,
3149     &level.shifted_relocation,
3150     NULL, NULL,
3151     "no centering when relocating",     "level not centered after relocation"
3152   },
3153   {
3154     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3155     GADGET_ID_LAZY_RELOCATION,          GADGET_ID_NONE,
3156     &level.lazy_relocation,
3157     NULL, NULL,
3158     "only redraw off-screen relocation","no redraw if relocation target visible"
3159   },
3160   {
3161     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3162     GADGET_ID_USE_START_ELEMENT,        GADGET_ID_NONE,
3163     &level.use_start_element[0],
3164     NULL, NULL,
3165     "use level start element:",        "start level at this element's position"
3166   },
3167   {
3168     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3169     GADGET_ID_USE_ARTWORK_ELEMENT,      GADGET_ID_NONE,
3170     &level.use_artwork_element[0],
3171     NULL, NULL,
3172     "use artwork from element:",        "use player artwork from other element"
3173   },
3174   {
3175     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
3176     GADGET_ID_USE_EXPLOSION_ELEMENT,    GADGET_ID_NONE,
3177     &level.use_explosion_element[0],
3178     NULL, NULL,
3179     "use explosion from element:",      "use explosion properties from element"
3180   },
3181   {
3182     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3183     GADGET_ID_INITIAL_GRAVITY,          GADGET_ID_NONE,
3184     &level.initial_player_gravity[0],
3185     NULL, NULL,
3186     "use initial gravity",              "set initial player gravity"
3187   },
3188   {
3189     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3190     GADGET_ID_USE_INITIAL_INVENTORY,    GADGET_ID_NONE,
3191     &level.use_initial_inventory[0],
3192     NULL, NULL,
3193     "use initial inventory:",           "use collected elements on level start"
3194   },
3195   {
3196     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
3197     GADGET_ID_CAN_PASS_TO_WALKABLE,     GADGET_ID_NONE,
3198     &level.can_pass_to_walkable,
3199     NULL, NULL,
3200     "can pass to walkable element",     "player can pass to empty or walkable"
3201   },
3202   {
3203     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3204     GADGET_ID_CAN_FALL_INTO_ACID,       GADGET_ID_NONE,
3205     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3206     NULL, NULL,
3207     "can fall into acid (with gravity)","player can fall into acid pool"
3208   },
3209   {
3210     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3211     GADGET_ID_CAN_MOVE_INTO_ACID,       GADGET_ID_NONE,
3212     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3213     NULL, NULL,
3214     "can move into acid",               "element can move into acid pool"
3215   },
3216   {
3217     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3218     GADGET_ID_DONT_COLLIDE_WITH,        GADGET_ID_NONE,
3219     &custom_element_properties[EP_DONT_COLLIDE_WITH],
3220     NULL, NULL,
3221     "deadly when colliding with",       "element is deadly when hitting player"
3222   },
3223   {
3224     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3225     GADGET_ID_ENVELOPE_AUTOWRAP,        GADGET_ID_NONE,
3226     &level.envelope[0].autowrap,
3227     NULL, NULL,
3228     "auto-wrap",                        "automatically wrap envelope text"
3229   },
3230   {
3231     -1,                                 ED_ELEMENT_SETTINGS_YPOS(1),
3232     GADGET_ID_ENVELOPE_CENTERED,        GADGET_ID_ENVELOPE_AUTOWRAP,
3233     &level.envelope[0].centered,
3234     NULL, " ",
3235     "centered",                         "automatically center envelope text"
3236   },
3237   {
3238     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3239     GADGET_ID_MM_LASER_RED,             GADGET_ID_NONE,
3240     &level.mm_laser_red,
3241     "choose color components for laser:", NULL,
3242     "red",                              "use red color components in laser"
3243   },
3244   {
3245     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3246     GADGET_ID_MM_LASER_GREEN,           GADGET_ID_NONE,
3247     &level.mm_laser_green,
3248     NULL, NULL,
3249     "green",                            "use green color components in laser"
3250   },
3251   {
3252     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3253     GADGET_ID_MM_LASER_BLUE,            GADGET_ID_NONE,
3254     &level.mm_laser_blue,
3255     NULL, NULL,
3256     "blue",                             "use blue color components in laser"
3257   },
3258   {
3259     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3260     GADGET_ID_DF_LASER_RED,             GADGET_ID_NONE,
3261     &level.df_laser_red,
3262     "choose color components for laser:", NULL,
3263     "red",                              "use red color components in laser"
3264   },
3265   {
3266     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3267     GADGET_ID_DF_LASER_GREEN,           GADGET_ID_NONE,
3268     &level.df_laser_green,
3269     NULL, NULL,
3270     "green",                            "use green color components in laser"
3271   },
3272   {
3273     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3274     GADGET_ID_DF_LASER_BLUE,            GADGET_ID_NONE,
3275     &level.df_laser_blue,
3276     NULL, NULL,
3277     "blue",                             "use blue color components in laser"
3278   },
3279
3280   // ---------- element settings: configure 1 (custom elements) ---------------
3281
3282   {
3283     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3284     GADGET_ID_CUSTOM_USE_GRAPHIC,       GADGET_ID_NONE,
3285     &custom_element.use_gfx_element,
3286     NULL, NULL,
3287     "use graphic of element:",          "use existing element graphic"
3288   },
3289   {
3290     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3291     GADGET_ID_CUSTOM_USE_TEMPLATE_1,    GADGET_ID_NONE,
3292     &level.use_custom_template,
3293     NULL, NULL,
3294     "use template",                     "use template for custom properties"
3295   },
3296   {
3297     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3298     GADGET_ID_CUSTOM_ACCESSIBLE,        GADGET_ID_NONE,
3299     &custom_element_properties[EP_ACCESSIBLE],
3300     NULL, NULL,
3301     NULL,                               "player can walk to or pass this field"
3302   },
3303   {
3304     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3305     GADGET_ID_CUSTOM_GRAV_REACHABLE,    GADGET_ID_NONE,
3306     &custom_element_properties[EP_GRAVITY_REACHABLE],
3307     NULL, NULL,
3308     "reachable despite gravity",        "player can walk/dig despite gravity"
3309   },
3310   {
3311     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3312     GADGET_ID_CUSTOM_USE_LAST_VALUE,    GADGET_ID_NONE,
3313     &custom_element.use_last_ce_value,
3314     NULL, NULL,
3315     "use last CE value after change",   "use last CE value after change"
3316   },
3317   {
3318     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3319     GADGET_ID_CUSTOM_WALK_TO_OBJECT,    GADGET_ID_NONE,
3320     &custom_element_properties[EP_WALK_TO_OBJECT],
3321     NULL, NULL,
3322     NULL,                               "player can dig/collect/push element"
3323   },
3324   {
3325     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3326     GADGET_ID_CUSTOM_INDESTRUCTIBLE,    GADGET_ID_NONE,
3327     &custom_element_properties[EP_INDESTRUCTIBLE],
3328     NULL, NULL,
3329     "indestructible",                   "element is indestructible"
3330   },
3331
3332   // ---------- element settings: configure 2 (custom elements) ---------------
3333
3334   {
3335     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3336     GADGET_ID_CUSTOM_CAN_MOVE,          GADGET_ID_NONE,
3337     &custom_element_properties[EP_CAN_MOVE],
3338     NULL, NULL,
3339     NULL,                               "element can move with some pattern"
3340   },
3341   {
3342     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
3343     GADGET_ID_CUSTOM_CAN_FALL,          GADGET_ID_NONE,
3344     &custom_element_properties[EP_CAN_FALL],
3345     NULL, NULL,
3346     "can fall",                         "element can fall down"
3347   },
3348   {
3349     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
3350     GADGET_ID_CUSTOM_CAN_SMASH,         GADGET_ID_CUSTOM_CAN_FALL,
3351     &custom_element_properties[EP_CAN_SMASH],
3352     NULL, " ",
3353     NULL,                               "element can smash other elements"
3354   },
3355   {
3356     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3357     GADGET_ID_CUSTOM_SLIPPERY,          GADGET_ID_NONE,
3358     &custom_element_properties[EP_SLIPPERY],
3359     NULL, NULL,
3360     NULL,                               "other elements can fall down from it"
3361   },
3362   {
3363     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3364     GADGET_ID_CUSTOM_DEADLY,            GADGET_ID_NONE,
3365     &custom_element_properties[EP_DEADLY],
3366     NULL, NULL,
3367     NULL,                               "element can kill the player"
3368   },
3369   {
3370     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3371     GADGET_ID_CUSTOM_CAN_EXPLODE,       GADGET_ID_NONE,
3372     &custom_element_properties[EP_CAN_EXPLODE],
3373     NULL, NULL,
3374     NULL,                               "element can explode"
3375   },
3376   {
3377     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(11),
3378     GADGET_ID_CUSTOM_EXPLODE_FIRE,      GADGET_ID_NONE,
3379     &custom_element_properties[EP_EXPLODES_BY_FIRE],
3380     NULL, NULL,
3381     "by fire",                          "element can explode by fire/explosion"
3382   },
3383   {
3384     -1,                                 ED_ELEMENT_SETTINGS_YPOS(11),
3385     GADGET_ID_CUSTOM_EXPLODE_SMASH,     GADGET_ID_CUSTOM_EXPLODE_FIRE,
3386     &custom_element_properties[EP_EXPLODES_SMASHED],
3387     NULL, " ",
3388     "smashed",                          "element can explode when smashed"
3389   },
3390   {
3391     -1,                                 ED_ELEMENT_SETTINGS_YPOS(11),
3392     GADGET_ID_CUSTOM_EXPLODE_IMPACT,    GADGET_ID_CUSTOM_EXPLODE_SMASH,
3393     &custom_element_properties[EP_EXPLODES_IMPACT],
3394     NULL, " ",
3395     "impact",                           "element can explode on impact"
3396   },
3397
3398   // ---------- element settings: advanced (custom elements) ------------------
3399
3400   {
3401     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3402     GADGET_ID_CUSTOM_CAN_CHANGE,        GADGET_ID_NONE,
3403     &custom_element_change.can_change,
3404     NULL, NULL,
3405     "element changes to:",              "change element on specified condition"
3406   },
3407   {
3408     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
3409     GADGET_ID_CHANGE_DELAY,             GADGET_ID_NONE,
3410     &custom_element_change_events[CE_DELAY],
3411     NULL, NULL,
3412     NULL,                               "element changes after delay"
3413   },
3414   {
3415     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
3416     GADGET_ID_CHANGE_BY_DIRECT_ACT,     GADGET_ID_NONE,
3417     &custom_element_change_events[CE_BY_DIRECT_ACTION],
3418     NULL, NULL,
3419     NULL,                               "element changes by direct action"
3420   },
3421   {
3422     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
3423     GADGET_ID_CHANGE_BY_OTHER_ACT,      GADGET_ID_NONE,
3424     &custom_element_change_events[CE_BY_OTHER_ACTION],
3425     NULL, NULL,
3426     NULL,                               "element changes by other element"
3427   },
3428   {
3429     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
3430     GADGET_ID_CHANGE_USE_EXPLOSION,     GADGET_ID_NONE,
3431     &custom_element_change.explode,
3432     NULL, NULL,
3433     "explode instead of change",        "element explodes instead of change"
3434   },
3435   {
3436     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
3437     GADGET_ID_CHANGE_USE_CONTENT,       GADGET_ID_NONE,
3438     &custom_element_change.use_target_content,
3439     NULL, NULL,
3440     "use extended change target:",      "element changes to more elements"
3441   },
3442   {
3443     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(11),
3444     GADGET_ID_CHANGE_ONLY_COMPLETE,     GADGET_ID_NONE,
3445     &custom_element_change.only_if_complete,
3446     NULL, NULL,
3447     "replace all or nothing",           "only replace when all can be changed"
3448   },
3449   {
3450     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(12),
3451     GADGET_ID_CHANGE_USE_RANDOM,        GADGET_ID_NONE,
3452     &custom_element_change.use_random_replace,
3453     NULL, NULL,
3454     NULL,                               "use percentage for random replace"
3455   },
3456   {
3457     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3458     GADGET_ID_CHANGE_HAS_ACTION,        GADGET_ID_NONE,
3459     &custom_element_change.has_action,
3460     NULL, NULL,
3461     NULL,                               "execute action on specified condition"
3462   },
3463 };
3464
3465 static struct
3466 {
3467   int x, y;
3468   int xoffset, yoffset;
3469   int gadget_id;
3470   int gadget_id_align;
3471   int *value;
3472   int area_xsize, area_ysize;
3473   char *text_left, *text_right, *text_above, *text_below, *infotext;
3474 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
3475 {
3476   // ---------- level playfield content ---------------------------------------
3477
3478   {
3479     0,                                  0,
3480     0,                                  0,
3481     GADGET_ID_DRAWING_LEVEL,            GADGET_ID_NONE,
3482     NULL,
3483     -1, -1,     // these values are not constant, but can change at runtime
3484     NULL, NULL, NULL, NULL,             NULL
3485   },
3486
3487   // ---------- yam yam content -----------------------------------------------
3488
3489   {
3490     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3491     ED_AREA_YAMYAM_CONTENT_XOFF(0),     ED_AREA_YAMYAM_CONTENT_YOFF(0),
3492     GADGET_ID_YAMYAM_CONTENT_0,         GADGET_ID_NONE,
3493     &level.yamyam_content[0].e[0][0],   3, 3,
3494     NULL, NULL, NULL, "1",              NULL
3495   },
3496   {
3497     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3498     ED_AREA_YAMYAM_CONTENT_XOFF(1),     ED_AREA_YAMYAM_CONTENT_YOFF(1),
3499     GADGET_ID_YAMYAM_CONTENT_1,         GADGET_ID_NONE,
3500     &level.yamyam_content[1].e[0][0],   3, 3,
3501     NULL, NULL, NULL, "2",              NULL
3502   },
3503   {
3504     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3505     ED_AREA_YAMYAM_CONTENT_XOFF(2),     ED_AREA_YAMYAM_CONTENT_YOFF(2),
3506     GADGET_ID_YAMYAM_CONTENT_2,         GADGET_ID_NONE,
3507     &level.yamyam_content[2].e[0][0],   3, 3,
3508     NULL, NULL, NULL, "3",              NULL
3509   },
3510   {
3511     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3512     ED_AREA_YAMYAM_CONTENT_XOFF(3),     ED_AREA_YAMYAM_CONTENT_YOFF(3),
3513     GADGET_ID_YAMYAM_CONTENT_3,         GADGET_ID_NONE,
3514     &level.yamyam_content[3].e[0][0],   3, 3,
3515     NULL, NULL, NULL, "4",              NULL
3516   },
3517   {
3518     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3519     ED_AREA_YAMYAM_CONTENT_XOFF(4),     ED_AREA_YAMYAM_CONTENT_YOFF(4),
3520     GADGET_ID_YAMYAM_CONTENT_4,         GADGET_ID_NONE,
3521     &level.yamyam_content[4].e[0][0],   3, 3,
3522     NULL, NULL, NULL, "5",              NULL
3523   },
3524   {
3525     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3526     ED_AREA_YAMYAM_CONTENT_XOFF(5),     ED_AREA_YAMYAM_CONTENT_YOFF(5),
3527     GADGET_ID_YAMYAM_CONTENT_5,         GADGET_ID_NONE,
3528     &level.yamyam_content[5].e[0][0],   3, 3,
3529     NULL, NULL, NULL, "6",              NULL
3530   },
3531   {
3532     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3533     ED_AREA_YAMYAM_CONTENT_XOFF(6),     ED_AREA_YAMYAM_CONTENT_YOFF(6),
3534     GADGET_ID_YAMYAM_CONTENT_6,         GADGET_ID_NONE,
3535     &level.yamyam_content[6].e[0][0],   3, 3,
3536     NULL, NULL, NULL, "7",              NULL
3537   },
3538   {
3539     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3540     ED_AREA_YAMYAM_CONTENT_XOFF(7),     ED_AREA_YAMYAM_CONTENT_YOFF(7),
3541     GADGET_ID_YAMYAM_CONTENT_7,         GADGET_ID_NONE,
3542     &level.yamyam_content[7].e[0][0],   3, 3,
3543     NULL, NULL, NULL, "8",              NULL
3544   },
3545
3546   // ---------- magic ball content --------------------------------------------
3547
3548   {
3549     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3550     ED_AREA_MAGIC_BALL_CONTENT_XOFF(0), ED_AREA_MAGIC_BALL_CONTENT_YOFF(0),
3551     GADGET_ID_MAGIC_BALL_CONTENT_0,     GADGET_ID_NONE,
3552     &level.ball_content[0].e[0][0],     3, 3,
3553     NULL, NULL, NULL, "1",              NULL
3554   },
3555   {
3556     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3557     ED_AREA_MAGIC_BALL_CONTENT_XOFF(1), ED_AREA_MAGIC_BALL_CONTENT_YOFF(1),
3558     GADGET_ID_MAGIC_BALL_CONTENT_1,     GADGET_ID_NONE,
3559     &level.ball_content[1].e[0][0],     3, 3,
3560     NULL, NULL, NULL, "2",              NULL
3561   },
3562   {
3563     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3564     ED_AREA_MAGIC_BALL_CONTENT_XOFF(2), ED_AREA_MAGIC_BALL_CONTENT_YOFF(2),
3565     GADGET_ID_MAGIC_BALL_CONTENT_2,     GADGET_ID_NONE,
3566     &level.ball_content[2].e[0][0],     3, 3,
3567     NULL, NULL, NULL, "3",              NULL
3568   },
3569   {
3570     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3571     ED_AREA_MAGIC_BALL_CONTENT_XOFF(3), ED_AREA_MAGIC_BALL_CONTENT_YOFF(3),
3572     GADGET_ID_MAGIC_BALL_CONTENT_3,     GADGET_ID_NONE,
3573     &level.ball_content[3].e[0][0],     3, 3,
3574     NULL, NULL, NULL, "4",              NULL
3575   },
3576   {
3577     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3578     ED_AREA_MAGIC_BALL_CONTENT_XOFF(4), ED_AREA_MAGIC_BALL_CONTENT_YOFF(4),
3579     GADGET_ID_MAGIC_BALL_CONTENT_4,     GADGET_ID_NONE,
3580     &level.ball_content[4].e[0][0],     3, 3,
3581     NULL, NULL, NULL, "5",              NULL
3582   },
3583   {
3584     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3585     ED_AREA_MAGIC_BALL_CONTENT_XOFF(5), ED_AREA_MAGIC_BALL_CONTENT_YOFF(5),
3586     GADGET_ID_MAGIC_BALL_CONTENT_5,     GADGET_ID_NONE,
3587     &level.ball_content[5].e[0][0],     3, 3,
3588     NULL, NULL, NULL, "6",              NULL
3589   },
3590   {
3591     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3592     ED_AREA_MAGIC_BALL_CONTENT_XOFF(6), ED_AREA_MAGIC_BALL_CONTENT_YOFF(6),
3593     GADGET_ID_MAGIC_BALL_CONTENT_6,     GADGET_ID_NONE,
3594     &level.ball_content[6].e[0][0],     3, 3,
3595     NULL, NULL, NULL, "7",              NULL
3596   },
3597   {
3598     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3599     ED_AREA_MAGIC_BALL_CONTENT_XOFF(7), ED_AREA_MAGIC_BALL_CONTENT_YOFF(7),
3600     GADGET_ID_MAGIC_BALL_CONTENT_7,     GADGET_ID_NONE,
3601     &level.ball_content[7].e[0][0],     3, 3,
3602     NULL, NULL, NULL, "8",              NULL
3603   },
3604
3605   // ---------- android content -----------------------------------------------
3606
3607   {
3608     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(6),
3609     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3610     GADGET_ID_ANDROID_CONTENT,          GADGET_ID_NONE,
3611     &level.android_clone_element[0],    MAX_ANDROID_ELEMENTS, 1,
3612     NULL, NULL, "elements:", NULL,      "elements android can clone"
3613   },
3614
3615   // ---------- amoeba content ------------------------------------------------
3616
3617   {
3618     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(3),
3619     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3620     GADGET_ID_AMOEBA_CONTENT,           GADGET_ID_NONE,
3621     &level.amoeba_content,              1, 1,
3622     "content:", NULL, NULL, NULL,       "amoeba content"
3623   },
3624
3625   // ---------- level start element -------------------------------------------
3626
3627   {
3628     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(10),
3629     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3630     GADGET_ID_START_ELEMENT,            GADGET_ID_USE_START_ELEMENT,
3631     &level.start_element[0],            1, 1,
3632     NULL, NULL, NULL, NULL,             "level start element"
3633   },
3634
3635   // ---------- player artwork element ----------------------------------------
3636
3637   {
3638     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(11),
3639     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3640     GADGET_ID_ARTWORK_ELEMENT,          GADGET_ID_USE_ARTWORK_ELEMENT,
3641     &level.artwork_element[0],          1, 1,
3642     NULL, NULL, NULL, NULL,             "element for player artwork"
3643   },
3644
3645   // ---------- player explosion element --------------------------------------
3646
3647   {
3648     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(12),
3649     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3650     GADGET_ID_EXPLOSION_ELEMENT,        GADGET_ID_USE_EXPLOSION_ELEMENT,
3651     &level.explosion_element[0],        1, 1,
3652     NULL, NULL, NULL, NULL,             "element for player explosion"
3653   },
3654
3655   // ---------- player initial inventory --------------------------------------
3656
3657   {
3658     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3659     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3660     GADGET_ID_INVENTORY_CONTENT,        GADGET_ID_USE_INITIAL_INVENTORY,
3661     &level.initial_inventory_content[0][0], MAX_INITIAL_INVENTORY_SIZE, 1,
3662     NULL, NULL, NULL, NULL,             "content for initial inventory"
3663   },
3664
3665   // ---------- element settings: configure 1 (custom elements) ---------------
3666
3667   // ---------- custom graphic ------------------------------------------------
3668
3669   {
3670     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3671     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3672     GADGET_ID_CUSTOM_GRAPHIC,           GADGET_ID_CUSTOM_USE_GRAPHIC,
3673     &custom_element.gfx_element_initial,1, 1,
3674     NULL, NULL, NULL, NULL,             "custom graphic element"
3675   },
3676
3677   // ---------- element settings: configure 2 (custom elements) ---------------
3678
3679   // ---------- custom content (when exploding) -------------------------------
3680
3681   {
3682     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(10),
3683     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
3684     GADGET_ID_CUSTOM_CONTENT,           GADGET_ID_NONE, // align three rows
3685     &custom_element.content.e[0][0],    3, 3,
3686     "content:", NULL, NULL, NULL,       NULL
3687   },
3688
3689   // ---------- custom enter and leave element (when moving) ------------------
3690
3691   {
3692     ED_AREA_1X1_SETTINGS_XPOS(1),       ED_AREA_1X1_SETTINGS_YPOS(3),
3693     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3694     GADGET_ID_CUSTOM_MOVE_ENTER,        GADGET_ID_NONE,
3695     &custom_element.move_enter_element, 1, 1,
3696     "can dig:", " ", NULL, NULL,        "element that can be digged/collected"
3697   },
3698   {
3699     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(3),
3700     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3701     GADGET_ID_CUSTOM_MOVE_LEAVE,        GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
3702     &custom_element.move_leave_element, 1, 1,
3703     NULL, NULL, NULL, NULL,             "element that will be left behind"
3704   },
3705
3706   // ---------- element settings: advanced (custom elements) ------------------
3707
3708   // ---------- custom change target ------------------------------------------
3709
3710   {
3711     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3712     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3713     GADGET_ID_CUSTOM_CHANGE_TARGET,     GADGET_ID_CUSTOM_CAN_CHANGE,
3714     &custom_element_change.target_element, 1, 1,
3715     NULL, "after/when:", NULL, NULL,    "new target element after change"
3716   },
3717
3718   // ---------- custom change content (extended change target) ----------------
3719
3720   {
3721     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(9),
3722     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
3723     GADGET_ID_CUSTOM_CHANGE_CONTENT,    GADGET_ID_NONE, // align three rows
3724     &custom_element_change.target_content.e[0][0], 3, 3,
3725     NULL, NULL, NULL, NULL,             "new extended elements after change"
3726   },
3727
3728   // ---------- custom change trigger (element causing change) ----------------
3729
3730   {
3731     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(5),
3732     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3733     GADGET_ID_CUSTOM_CHANGE_TRIGGER,    GADGET_ID_CHANGE_OTHER_ACTION,
3734     &custom_element_change.initial_trigger_element, 1, 1,
3735     NULL, NULL, NULL, NULL,             "other element triggering change"
3736   },
3737
3738   // ---------- custom change action (element used for action) ----------------
3739
3740   {
3741     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(13),
3742     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3743     GADGET_ID_CUSTOM_CHANGE_ACTION,     GADGET_ID_ACTION_ARG,
3744     &custom_element_change.action_element, 1, 1,
3745     NULL, NULL, NULL, NULL,             "element used as action parameter"
3746   },
3747
3748   // ---------- group element content -----------------------------------------
3749
3750   {
3751     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
3752     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3753     GADGET_ID_GROUP_CONTENT,            GADGET_ID_NONE,
3754     &group_element_info.element[0],     MAX_ELEMENTS_IN_GROUP, 1,
3755     "content:", NULL, NULL, NULL,       NULL
3756   },
3757
3758   // ---------- random background (for random painting) -----------------------
3759
3760   {
3761     -1,                                 ED_AREA_1X1_LSETTINGS_YPOS(1),
3762     0,                                  ED_AREA_1X1_LSETTINGS_YOFF,
3763     GADGET_ID_RANDOM_BACKGROUND,        GADGET_ID_RANDOM_RESTRICTED,
3764     &random_placement_background_element, 1, 1,
3765     NULL, NULL, NULL, NULL,             "random placement background"
3766   },
3767 };
3768
3769
3770 // ----------------------------------------------------------------------------
3771 // some internally used variables
3772 // ----------------------------------------------------------------------------
3773
3774 // maximal size of level editor drawing area
3775 static int MAX_ED_FIELDX, MAX_ED_FIELDY;
3776
3777 // actual size of level editor drawing area
3778 static int ed_fieldx, ed_fieldy;
3779
3780 // actual position of level editor drawing area in level playfield
3781 static int level_xpos = -1, level_ypos = -1;
3782
3783 // actual tile size used to display playfield drawing area
3784 static int ed_tilesize = DEFAULT_EDITOR_TILESIZE;
3785 static int ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
3786
3787 #define IN_ED_FIELD(x,y)        IN_FIELD(x, y, ed_fieldx, ed_fieldy)
3788
3789 // drawing elements on the three mouse buttons
3790 static int new_element1 = EL_WALL;
3791 static int new_element2 = EL_EMPTY;
3792 static int new_element3 = EL_SAND;
3793
3794 #define IS_VALID_BUTTON(button) (button >= 1 && button <= 3)
3795 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
3796                                 (button) == 2 ? new_element2 : \
3797                                 (button) == 3 ? new_element3 : EL_EMPTY)
3798
3799 #define BUTTON_TILE_SIZE(x)     ((x) >= TILESIZE ? TILESIZE : MINI_TILESIZE)
3800
3801 static int use_permanent_palette = TRUE;
3802
3803 #define PX              (use_permanent_palette ? DX : SX)
3804 #define PY              (use_permanent_palette ? DY : SY)
3805 #define PXSIZE          (use_permanent_palette ? DXSIZE : SXSIZE)
3806 #define PYSIZE          (use_permanent_palette ? DYSIZE : SYSIZE)
3807
3808 // forward declaration for internal use
3809 static void CopyBrushToCursor(int, int);
3810 static void DeleteBrushFromCursor(void);
3811 static void ModifyEditorCounterValue(int, int);
3812 static void ModifyEditorCounterLimits(int, int, int);
3813 static void ModifyEditorSelectboxValue(int, int);
3814 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
3815 static void ModifyEditorDrawingArea(int, int, int);
3816 static void ModifyEditorElementList(void);
3817 static void AdjustElementListScrollbar(void);
3818 static void RedrawDrawingElements(void);
3819 static void DrawDrawingWindowExt(boolean);
3820 static void DrawDrawingWindow(void);
3821 static void DrawLevelInfoWindow(void);
3822 static void DrawPropertiesWindow(void);
3823 static void DrawPaletteWindow(void);
3824 static void UpdateCustomElementGraphicGadgets(void);
3825 static boolean checkPropertiesConfig(int);
3826 static void SetAutomaticNumberOfGemsNeeded(void);
3827 static void ClearEditorGadgetInfoText(void);
3828 static void CopyLevelToUndoBuffer(int);
3829 static void HandleDrawingAreas(struct GadgetInfo *);
3830 static void HandleCounterButtons(struct GadgetInfo *);
3831 static void HandleTextInputGadgets(struct GadgetInfo *);
3832 static void HandleTextAreaGadgets(struct GadgetInfo *);
3833 static void HandleSelectboxGadgets(struct GadgetInfo *);
3834 static void HandleTextbuttonGadgets(struct GadgetInfo *);
3835 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
3836 static void HandleRadiobuttons(struct GadgetInfo *);
3837 static void HandleCheckbuttons(struct GadgetInfo *);
3838 static void HandleControlButtons(struct GadgetInfo *);
3839 static void HandleDrawingAreaInfo(struct GadgetInfo *);
3840 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
3841 static boolean AskToCopyAndModifyLevelTemplate(void);
3842 static boolean getDrawModeHiRes(void);
3843 static int getTabulatorBarWidth(void);
3844 static int getTabulatorBarHeight(void);
3845 static Pixel getTabulatorBarColor(void);
3846
3847 static int num_editor_gadgets = 0;      // dynamically determined
3848
3849 static struct GadgetInfo **level_editor_gadget = NULL;
3850 static int *right_gadget_border = NULL;
3851
3852 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
3853 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
3854 static boolean draw_with_brush = FALSE;
3855 static int properties_element = 0;
3856
3857 static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3858 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3859 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3860 static int undo_buffer_position = 0;
3861 static int undo_buffer_steps = 0;
3862 static int redo_buffer_steps = 0;
3863
3864 static int edit_mode;
3865 static int edit_mode_levelinfo;
3866 static int edit_mode_properties;
3867
3868 static int element_shift = 0;
3869
3870 static int editor_el_players[] =
3871 {
3872   EL_PLAYER_1,
3873   EL_PLAYER_2,
3874   EL_PLAYER_3,
3875   EL_PLAYER_4
3876 };
3877 static int *editor_el_players_ptr = editor_el_players;
3878 static int num_editor_el_players = ARRAY_SIZE(editor_el_players);
3879
3880 static int editor_hl_boulderdash[] =
3881 {
3882   EL_INTERNAL_CASCADE_BD_ACTIVE,
3883   EL_CHAR('B'),
3884   EL_CHAR('D'),
3885   EL_EMPTY,
3886 };
3887
3888 static int editor_el_boulderdash[] =
3889 {
3890   EL_EMPTY,
3891   EL_SAND,
3892   EL_BD_ROCK,
3893   EL_BD_DIAMOND,
3894
3895   EL_STEELWALL,
3896   EL_BD_WALL,
3897   EL_BD_EXPANDABLE_WALL,
3898   EL_BD_MAGIC_WALL,
3899
3900   EL_BD_AMOEBA,
3901   EL_BD_BUTTERFLY_UP,
3902   EL_BD_FIREFLY_UP,
3903   EL_EXIT_CLOSED,
3904
3905   EL_BD_BUTTERFLY_LEFT,
3906   EL_BD_FIREFLY_LEFT,
3907   EL_BD_BUTTERFLY_RIGHT,
3908   EL_BD_FIREFLY_RIGHT,
3909
3910   EL_EMPTY,
3911   EL_BD_BUTTERFLY_DOWN,
3912   EL_BD_FIREFLY_DOWN,
3913   EL_EXIT_OPEN,
3914 };
3915 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
3916 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
3917 static int num_editor_hl_boulderdash = ARRAY_SIZE(editor_hl_boulderdash);
3918 static int num_editor_el_boulderdash = ARRAY_SIZE(editor_el_boulderdash);
3919
3920 static int editor_hl_emerald_mine[] =
3921 {
3922   EL_INTERNAL_CASCADE_EM_ACTIVE,
3923   EL_CHAR('E'),
3924   EL_CHAR('M'),
3925   EL_EMPTY,
3926 };
3927
3928 static int editor_el_emerald_mine[] =
3929 {
3930   EL_SAND,
3931   EL_ROCK,
3932   EL_QUICKSAND_EMPTY,
3933   EL_QUICKSAND_FULL,
3934
3935   EL_STEELWALL,
3936   EL_WALL,
3937   EL_WALL_SLIPPERY,
3938   EL_MAGIC_WALL,
3939
3940   EL_EMERALD,
3941   EL_DIAMOND,
3942   EL_NUT,
3943   EL_BOMB,
3944
3945   EL_EM_DYNAMITE,
3946   EL_EM_DYNAMITE_ACTIVE,
3947   EL_EM_EXIT_CLOSED,
3948   EL_EM_EXIT_OPEN,
3949
3950   EL_YAMYAM_UP,
3951   EL_BUG_UP,
3952   EL_SPACESHIP_UP,
3953   EL_ROBOT,
3954
3955   EL_BUG_LEFT,
3956   EL_SPACESHIP_LEFT,
3957   EL_BUG_RIGHT,
3958   EL_SPACESHIP_RIGHT,
3959
3960   EL_ROBOT_WHEEL,
3961   EL_BUG_DOWN,
3962   EL_SPACESHIP_DOWN,
3963   EL_INVISIBLE_WALL,
3964
3965   EL_ACID_POOL_TOPLEFT,
3966   EL_ACID,
3967   EL_ACID_POOL_TOPRIGHT,
3968   EL_AMOEBA_DROP,
3969
3970   EL_ACID_POOL_BOTTOMLEFT,
3971   EL_ACID_POOL_BOTTOM,
3972   EL_ACID_POOL_BOTTOMRIGHT,
3973   EL_AMOEBA_WET,
3974
3975   EL_EM_KEY_1,
3976   EL_EM_KEY_2,
3977   EL_EM_KEY_3,
3978   EL_EM_KEY_4,
3979
3980   EL_EM_GATE_1,
3981   EL_EM_GATE_2,
3982   EL_EM_GATE_3,
3983   EL_EM_GATE_4,
3984
3985   EL_EM_GATE_1_GRAY,
3986   EL_EM_GATE_2_GRAY,
3987   EL_EM_GATE_3_GRAY,
3988   EL_EM_GATE_4_GRAY,
3989 };
3990 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
3991 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
3992 static int num_editor_hl_emerald_mine = ARRAY_SIZE(editor_hl_emerald_mine);
3993 static int num_editor_el_emerald_mine = ARRAY_SIZE(editor_el_emerald_mine);
3994
3995 static int editor_hl_emerald_mine_club[] =
3996 {
3997   EL_INTERNAL_CASCADE_EMC_ACTIVE,
3998   EL_CHAR('E'),
3999   EL_CHAR('M'),
4000   EL_CHAR('C'),
4001 };
4002
4003 static int editor_el_emerald_mine_club[] =
4004 {
4005   EL_EMC_KEY_5,
4006   EL_EMC_KEY_6,
4007   EL_EMC_KEY_7,
4008   EL_EMC_KEY_8,
4009
4010   EL_EMC_GATE_5,
4011   EL_EMC_GATE_6,
4012   EL_EMC_GATE_7,
4013   EL_EMC_GATE_8,
4014
4015   EL_EMC_GATE_5_GRAY,
4016   EL_EMC_GATE_6_GRAY,
4017   EL_EMC_GATE_7_GRAY,
4018   EL_EMC_GATE_8_GRAY,
4019
4020   EL_EMC_STEELWALL_1,
4021   EL_EMC_STEELWALL_2,
4022   EL_EMC_STEELWALL_3,
4023   EL_EMC_STEELWALL_4,
4024
4025   EL_EMC_WALL_13,
4026   EL_EMC_WALL_14,
4027   EL_EMC_WALL_15,
4028   EL_EMC_WALL_16,
4029
4030   EL_EMC_WALL_SLIPPERY_1,
4031   EL_EMC_WALL_SLIPPERY_2,
4032   EL_EMC_WALL_SLIPPERY_3,
4033   EL_EMC_WALL_SLIPPERY_4,
4034
4035   EL_EMC_WALL_1,
4036   EL_EMC_WALL_2,
4037   EL_EMC_WALL_3,
4038   EL_EMC_WALL_4,
4039
4040   EL_EMC_WALL_5,
4041   EL_EMC_WALL_6,
4042   EL_EMC_WALL_7,
4043   EL_EMC_WALL_8,
4044
4045   EL_EMC_WALL_9,
4046   EL_EMC_WALL_10,
4047   EL_EMC_WALL_11,
4048   EL_EMC_WALL_12,
4049
4050   EL_EMC_GRASS,
4051   EL_EMC_FAKE_GRASS,
4052   EL_EMC_PLANT,
4053   EL_EMC_DRIPPER,
4054
4055   EL_EMC_MAGIC_BALL,
4056   EL_EMC_MAGIC_BALL_SWITCH,
4057   EL_SPRING,
4058   EL_EMC_SPRING_BUMPER,
4059
4060   EL_EMC_LENSES,
4061   EL_EMC_MAGNIFIER,
4062   EL_EMPTY,
4063   EL_EMPTY,
4064
4065   EL_BALLOON,
4066   EL_YAMYAM_UP,
4067   EL_BALLOON_SWITCH_UP,
4068   EL_BALLOON_SWITCH_ANY,
4069
4070   EL_YAMYAM_LEFT,
4071   EL_BALLOON_SWITCH_LEFT,
4072   EL_YAMYAM_RIGHT,
4073   EL_BALLOON_SWITCH_RIGHT,
4074
4075   EL_EMC_ANDROID,
4076   EL_YAMYAM_DOWN,
4077   EL_BALLOON_SWITCH_DOWN,
4078   EL_BALLOON_SWITCH_NONE,
4079 };
4080 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
4081 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
4082 static int num_editor_hl_emerald_mine_club = ARRAY_SIZE(editor_hl_emerald_mine_club);
4083 static int num_editor_el_emerald_mine_club = ARRAY_SIZE(editor_el_emerald_mine_club);
4084
4085 static int editor_hl_rnd[] =
4086 {
4087   EL_INTERNAL_CASCADE_RND_ACTIVE,
4088   EL_CHAR('R'),
4089   EL_CHAR('N'),
4090   EL_CHAR('D'),
4091 };
4092
4093 static int editor_el_rnd[] =
4094 {
4095   EL_DYNAMITE,                  // RND
4096   EL_DYNAMITE_ACTIVE,           // RND
4097   EL_EMPTY,
4098   EL_EMPTY,
4099
4100   EL_KEY_1,
4101   EL_KEY_2,
4102   EL_KEY_3,
4103   EL_KEY_4,
4104
4105   EL_GATE_1,
4106   EL_GATE_2,
4107   EL_GATE_3,
4108   EL_GATE_4,
4109
4110   EL_GATE_1_GRAY,
4111   EL_GATE_2_GRAY,
4112   EL_GATE_3_GRAY,
4113   EL_GATE_4_GRAY,
4114
4115   EL_ARROW_LEFT,
4116   EL_ARROW_RIGHT,
4117   EL_ARROW_UP,
4118   EL_ARROW_DOWN,
4119
4120   EL_AMOEBA_DEAD,
4121   EL_AMOEBA_DRY,
4122   EL_AMOEBA_FULL,
4123   EL_GAME_OF_LIFE,
4124
4125   EL_EMERALD_YELLOW,
4126   EL_EMERALD_RED,
4127   EL_EMERALD_PURPLE,
4128   EL_BIOMAZE,
4129
4130   EL_WALL_EMERALD_YELLOW,
4131   EL_WALL_EMERALD_RED,
4132   EL_WALL_EMERALD_PURPLE,
4133   EL_WALL_BD_DIAMOND,
4134
4135   EL_SPEED_PILL,
4136   EL_PACMAN_UP,
4137   EL_TIME_ORB_FULL,
4138   EL_TIME_ORB_EMPTY,
4139
4140   EL_PACMAN_LEFT,
4141   EL_DARK_YAMYAM,
4142   EL_PACMAN_RIGHT,
4143   EL_YAMYAM,                    // RND
4144
4145   EL_BLACK_ORB,
4146   EL_PACMAN_DOWN,
4147   EL_LAMP,
4148   EL_LAMP_ACTIVE,
4149
4150   EL_DYNABOMB_INCREASE_NUMBER,
4151   EL_DYNABOMB_INCREASE_SIZE,
4152   EL_DYNABOMB_INCREASE_POWER,
4153   EL_STONEBLOCK,
4154
4155   EL_MOLE,
4156   EL_PENGUIN,
4157   EL_PIG,
4158   EL_DRAGON,
4159
4160   EL_BUG,
4161   EL_MOLE_UP,
4162   EL_BD_BUTTERFLY,
4163   EL_BD_FIREFLY,
4164
4165   EL_MOLE_LEFT,
4166   EL_SATELLITE,
4167   EL_MOLE_RIGHT,
4168   EL_PACMAN,
4169
4170   EL_SPACESHIP,
4171   EL_MOLE_DOWN,
4172   EL_INVISIBLE_STEELWALL,
4173   EL_INVISIBLE_WALL,
4174
4175   EL_EXPANDABLE_WALL,
4176   EL_EXPANDABLE_WALL_HORIZONTAL,
4177   EL_EXPANDABLE_WALL_VERTICAL,
4178   EL_EXPANDABLE_WALL_ANY,
4179 };
4180 static int *editor_hl_rnd_ptr = editor_hl_rnd;
4181 static int *editor_el_rnd_ptr = editor_el_rnd;
4182 static int num_editor_hl_rnd = ARRAY_SIZE(editor_hl_rnd);
4183 static int num_editor_el_rnd = ARRAY_SIZE(editor_el_rnd);
4184
4185 static int editor_hl_sokoban[] =
4186 {
4187   EL_INTERNAL_CASCADE_SB_ACTIVE,
4188   EL_CHAR('S'),
4189   EL_CHAR('B'),
4190   EL_EMPTY,
4191 };
4192
4193 static int editor_el_sokoban[] =
4194 {
4195   EL_SOKOBAN_OBJECT,
4196   EL_SOKOBAN_FIELD_EMPTY,
4197   EL_SOKOBAN_FIELD_FULL,
4198   EL_SOKOBAN_FIELD_PLAYER,
4199 };
4200 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
4201 static int *editor_el_sokoban_ptr = editor_el_sokoban;
4202 static int num_editor_hl_sokoban = ARRAY_SIZE(editor_hl_sokoban);
4203 static int num_editor_el_sokoban = ARRAY_SIZE(editor_el_sokoban);
4204
4205 static int editor_hl_supaplex[] =
4206 {
4207   EL_INTERNAL_CASCADE_SP_ACTIVE,
4208   EL_CHAR('S'),
4209   EL_CHAR('P'),
4210   EL_EMPTY,
4211 };
4212
4213 static int editor_el_supaplex[] =
4214 {
4215   EL_SP_MURPHY,
4216   EL_EMPTY,
4217   EL_SP_BASE,
4218   EL_SP_BUGGY_BASE,
4219
4220   EL_SP_INFOTRON,
4221   EL_SP_ZONK,
4222   EL_SP_SNIKSNAK,
4223   EL_SP_ELECTRON,
4224
4225   EL_SP_DISK_RED,
4226   EL_SP_DISK_ORANGE,
4227   EL_SP_DISK_YELLOW,
4228   EL_SP_TERMINAL,
4229
4230   EL_SP_EXIT_CLOSED,
4231   EL_SP_PORT_HORIZONTAL,
4232   EL_SP_PORT_VERTICAL,
4233   EL_SP_PORT_ANY,
4234
4235   EL_SP_PORT_LEFT,
4236   EL_SP_PORT_RIGHT,
4237   EL_SP_PORT_UP,
4238   EL_SP_PORT_DOWN,
4239
4240   EL_SP_GRAVITY_PORT_LEFT,
4241   EL_SP_GRAVITY_PORT_RIGHT,
4242   EL_SP_GRAVITY_PORT_UP,
4243   EL_SP_GRAVITY_PORT_DOWN,
4244
4245   EL_SP_GRAVITY_ON_PORT_LEFT,
4246   EL_SP_GRAVITY_ON_PORT_RIGHT,
4247   EL_SP_GRAVITY_ON_PORT_UP,
4248   EL_SP_GRAVITY_ON_PORT_DOWN,
4249
4250   EL_SP_GRAVITY_OFF_PORT_LEFT,
4251   EL_SP_GRAVITY_OFF_PORT_RIGHT,
4252   EL_SP_GRAVITY_OFF_PORT_UP,
4253   EL_SP_GRAVITY_OFF_PORT_DOWN,
4254
4255   EL_SP_HARDWARE_GRAY,
4256   EL_SP_HARDWARE_GREEN,
4257   EL_SP_HARDWARE_BLUE,
4258   EL_SP_HARDWARE_RED,
4259
4260   EL_SP_HARDWARE_BASE_1,
4261   EL_SP_HARDWARE_BASE_2,
4262   EL_SP_HARDWARE_BASE_3,
4263   EL_SP_HARDWARE_BASE_4,
4264
4265   EL_SP_HARDWARE_BASE_5,
4266   EL_SP_HARDWARE_BASE_6,
4267   EL_SP_HARDWARE_YELLOW,
4268   EL_SP_CHIP_TOP,
4269
4270   EL_SP_CHIP_SINGLE,
4271   EL_SP_CHIP_LEFT,
4272   EL_SP_CHIP_RIGHT,
4273   EL_SP_CHIP_BOTTOM,
4274 };
4275 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
4276 static int *editor_el_supaplex_ptr = editor_el_supaplex;
4277 static int num_editor_hl_supaplex = ARRAY_SIZE(editor_hl_supaplex);
4278 static int num_editor_el_supaplex = ARRAY_SIZE(editor_el_supaplex);
4279
4280 static int editor_hl_diamond_caves[] =
4281 {
4282   EL_INTERNAL_CASCADE_DC_ACTIVE,
4283   EL_CHAR('D'),
4284   EL_CHAR('C'),
4285   EL_CHAR('2'),
4286 };
4287
4288 static int editor_el_diamond_caves[] =
4289 {
4290   EL_EM_STEEL_EXIT_CLOSED,      // DC2
4291   EL_EM_STEEL_EXIT_OPEN,        // DC2
4292   EL_WALL_EMERALD,              // DC2
4293   EL_WALL_DIAMOND,              // DC2
4294
4295   EL_PEARL,
4296   EL_CRYSTAL,
4297   EL_WALL_PEARL,
4298   EL_WALL_CRYSTAL,
4299
4300   EL_CONVEYOR_BELT_1_LEFT,
4301   EL_CONVEYOR_BELT_1_MIDDLE,
4302   EL_CONVEYOR_BELT_1_RIGHT,
4303   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
4304
4305   EL_CONVEYOR_BELT_2_LEFT,
4306   EL_CONVEYOR_BELT_2_MIDDLE,
4307   EL_CONVEYOR_BELT_2_RIGHT,
4308   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
4309
4310   EL_CONVEYOR_BELT_3_LEFT,
4311   EL_CONVEYOR_BELT_3_MIDDLE,
4312   EL_CONVEYOR_BELT_3_RIGHT,
4313   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
4314
4315   EL_CONVEYOR_BELT_4_LEFT,
4316   EL_CONVEYOR_BELT_4_MIDDLE,
4317   EL_CONVEYOR_BELT_4_RIGHT,
4318   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
4319
4320   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
4321   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
4322   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
4323   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
4324
4325   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
4326   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
4327   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
4328   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
4329
4330   EL_TIMEGATE_CLOSED,
4331   EL_TIMEGATE_OPEN,
4332   EL_TIMEGATE_SWITCH,
4333   EL_DC_TIMEGATE_SWITCH,
4334
4335   EL_SWITCHGATE_CLOSED,
4336   EL_SWITCHGATE_OPEN,
4337   EL_SWITCHGATE_SWITCH_UP,
4338   EL_SWITCHGATE_SWITCH_DOWN,
4339
4340   EL_LIGHT_SWITCH,
4341   EL_LIGHT_SWITCH_ACTIVE,
4342   EL_DC_SWITCHGATE_SWITCH_UP,
4343   EL_DC_SWITCHGATE_SWITCH_DOWN,
4344
4345   EL_STEEL_EXIT_CLOSED,
4346   EL_STEEL_EXIT_OPEN,
4347   EL_STEELWALL_SLIPPERY,
4348   EL_INVISIBLE_SAND,
4349
4350   EL_QUICKSAND_FAST_EMPTY,
4351   EL_QUICKSAND_FAST_FULL,
4352   EL_LANDMINE,
4353   EL_DC_LANDMINE,
4354
4355   EL_SHIELD_NORMAL,
4356   EL_SHIELD_DEADLY,
4357   EL_EXTRA_TIME,
4358   EL_DC_MAGIC_WALL,
4359
4360   EL_ENVELOPE_1,
4361   EL_ENVELOPE_2,
4362   EL_ENVELOPE_3,
4363   EL_ENVELOPE_4,
4364
4365   EL_SIGN_RADIOACTIVITY,
4366   EL_SIGN_WHEELCHAIR,
4367   EL_SIGN_PARKING,
4368   EL_SIGN_NO_ENTRY,
4369
4370   EL_SIGN_GIVE_WAY,
4371   EL_SIGN_ENTRY_FORBIDDEN,
4372   EL_SIGN_EMERGENCY_EXIT,
4373   EL_SIGN_YIN_YANG,
4374
4375 #if 0
4376   EL_SIGN_SPERMS,
4377   EL_SIGN_BULLET,
4378   EL_SIGN_HEART,
4379   EL_SIGN_CROSS,
4380
4381   EL_SIGN_FRANKIE,
4382   EL_EMPTY,
4383   EL_EMPTY,
4384   EL_EMPTY,
4385
4386   EL_SPERMS,
4387   EL_BULLET,
4388   EL_HEART,
4389   EL_CROSS,
4390
4391   EL_FRANKIE,
4392   EL_EMPTY,
4393   EL_EMPTY,
4394   EL_EMPTY,
4395 #endif
4396
4397   EL_DC_STEELWALL_2_SINGLE,
4398   EL_DC_STEELWALL_2_TOP,
4399   EL_SIGN_EXCLAMATION,
4400   EL_SIGN_STOP,
4401
4402   EL_DC_STEELWALL_2_LEFT,
4403   EL_DC_STEELWALL_2_MIDDLE,
4404   EL_DC_STEELWALL_2_HORIZONTAL,
4405   EL_DC_STEELWALL_2_RIGHT,
4406
4407   EL_DC_STEELWALL_1_TOPLEFT,
4408   EL_DC_STEELWALL_2_VERTICAL,
4409   EL_DC_STEELWALL_1_TOPRIGHT,
4410   EL_DC_GATE_WHITE,
4411
4412   EL_DC_STEELWALL_1_VERTICAL,
4413   EL_DC_STEELWALL_2_BOTTOM,
4414   EL_DC_KEY_WHITE,
4415   EL_DC_GATE_WHITE_GRAY,
4416
4417   EL_DC_STEELWALL_1_BOTTOMLEFT,
4418   EL_DC_STEELWALL_1_HORIZONTAL,
4419   EL_DC_STEELWALL_1_BOTTOMRIGHT,
4420   EL_DC_GATE_FAKE_GRAY,
4421
4422   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
4423   EL_DC_STEELWALL_1_BOTTOM,
4424   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
4425   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
4426
4427   EL_DC_STEELWALL_1_RIGHT,
4428   EL_EMPTY,
4429   EL_DC_STEELWALL_1_LEFT,
4430   EL_EXPANDABLE_STEELWALL_VERTICAL,
4431
4432   EL_DC_STEELWALL_1_TOPRIGHT_2,
4433   EL_DC_STEELWALL_1_TOP,
4434   EL_DC_STEELWALL_1_TOPLEFT_2,
4435   EL_EXPANDABLE_STEELWALL_ANY,
4436 };
4437 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
4438 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
4439 static int num_editor_hl_diamond_caves = ARRAY_SIZE(editor_hl_diamond_caves);
4440 static int num_editor_el_diamond_caves = ARRAY_SIZE(editor_el_diamond_caves);
4441
4442 static int editor_hl_dx_boulderdash[] =
4443 {
4444   EL_INTERNAL_CASCADE_DX_ACTIVE,
4445   EL_CHAR('D'),
4446   EL_CHAR('X'),
4447   EL_EMPTY,
4448 };
4449
4450 static int editor_el_dx_boulderdash[] =
4451 {
4452   EL_EMPTY,
4453   EL_TUBE_RIGHT_DOWN,
4454   EL_TUBE_HORIZONTAL_DOWN,
4455   EL_TUBE_LEFT_DOWN,
4456
4457   EL_TUBE_HORIZONTAL,
4458   EL_TUBE_VERTICAL_RIGHT,
4459   EL_TUBE_ANY,
4460   EL_TUBE_VERTICAL_LEFT,
4461
4462   EL_TUBE_VERTICAL,
4463   EL_TUBE_RIGHT_UP,
4464   EL_TUBE_HORIZONTAL_UP,
4465   EL_TUBE_LEFT_UP,
4466
4467   EL_TRAP,
4468   EL_DX_SUPABOMB,
4469   EL_EMPTY,
4470   EL_EMPTY
4471 };
4472 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
4473 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
4474 static int num_editor_hl_dx_boulderdash = ARRAY_SIZE(editor_hl_dx_boulderdash);
4475 static int num_editor_el_dx_boulderdash = ARRAY_SIZE(editor_el_dx_boulderdash);
4476
4477 static int editor_hl_mirror_magic[] =
4478 {
4479   EL_INTERNAL_CASCADE_MM_ACTIVE,
4480   EL_CHAR('M'),
4481   EL_CHAR('M'),
4482   EL_EMPTY,
4483 };
4484
4485 static int editor_el_mirror_magic[] =
4486 {
4487   EL_MM_MCDUFFIN_RIGHT,
4488   EL_MM_MCDUFFIN_UP,
4489   EL_MM_MCDUFFIN_LEFT,
4490   EL_MM_MCDUFFIN_DOWN,
4491
4492   EL_MM_MIRROR_START,
4493   EL_MM_MIRROR_FIXED_START,
4494   EL_MM_POLARIZER_START,
4495   EL_MM_POLARIZER_CROSS_START,
4496
4497   EL_MM_TELEPORTER_RED_START,
4498   EL_MM_TELEPORTER_YELLOW_START,
4499   EL_MM_TELEPORTER_GREEN_START,
4500   EL_MM_TELEPORTER_BLUE_START,
4501
4502   EL_MM_PRISM,
4503   EL_MM_FUSE_ACTIVE,
4504   EL_MM_PACMAN_RIGHT,
4505   EL_MM_EXIT_CLOSED,
4506
4507   EL_MM_KETTLE,
4508   EL_MM_BOMB,
4509   EL_MM_KEY,
4510   EL_MM_FUEL_FULL,
4511
4512   EL_MM_LIGHTBULB,
4513   EL_MM_LIGHTBULB_ACTIVE,
4514   EL_MM_GRAY_BALL,
4515   EL_MM_LIGHTBALL,
4516
4517   EL_MM_STEEL_WALL,
4518   EL_MM_WOODEN_WALL,
4519   EL_MM_ICE_WALL,
4520   EL_MM_AMOEBA_WALL,
4521
4522   EL_MM_STEEL_LOCK,
4523   EL_MM_WOODEN_LOCK,
4524   EL_MM_STEEL_BLOCK,
4525   EL_MM_WOODEN_BLOCK,
4526
4527   EL_MM_STEEL_GRID_FIXED_1,
4528   EL_MM_STEEL_GRID_FIXED_2,
4529   EL_MM_STEEL_GRID_FIXED_3,
4530   EL_MM_STEEL_GRID_FIXED_4,
4531
4532   EL_MM_WOODEN_GRID_FIXED_1,
4533   EL_MM_WOODEN_GRID_FIXED_2,
4534   EL_MM_WOODEN_GRID_FIXED_3,
4535   EL_MM_WOODEN_GRID_FIXED_4
4536 };
4537 static int *editor_hl_mirror_magic_ptr = editor_hl_mirror_magic;
4538 static int *editor_el_mirror_magic_ptr = editor_el_mirror_magic;
4539 static int num_editor_hl_mirror_magic = ARRAY_SIZE(editor_hl_mirror_magic);
4540 static int num_editor_el_mirror_magic = ARRAY_SIZE(editor_el_mirror_magic);
4541
4542 static int editor_hl_deflektor[] =
4543 {
4544   EL_INTERNAL_CASCADE_DF_ACTIVE,
4545   EL_CHAR('D'),
4546   EL_CHAR('F'),
4547   EL_EMPTY,
4548 };
4549
4550 static int editor_el_deflektor[] =
4551 {
4552   EL_DF_LASER_RIGHT,
4553   EL_DF_LASER_UP,
4554   EL_DF_LASER_LEFT,
4555   EL_DF_LASER_DOWN,
4556
4557   EL_DF_RECEIVER_RIGHT,
4558   EL_DF_RECEIVER_UP,
4559   EL_DF_RECEIVER_LEFT,
4560   EL_DF_RECEIVER_DOWN,
4561
4562   EL_DF_MIRROR_START,
4563   EL_DF_MIRROR_ROTATING_START,
4564   EL_DF_CELL,
4565   EL_DF_MINE,
4566
4567   EL_DF_FIBRE_OPTIC_RED_1,
4568   EL_DF_FIBRE_OPTIC_YELLOW_1,
4569   EL_DF_FIBRE_OPTIC_GREEN_1,
4570   EL_DF_FIBRE_OPTIC_BLUE_1,
4571
4572   EL_DF_STEEL_GRID_FIXED_START,
4573   EL_DF_STEEL_GRID_ROTATING_START,
4574   EL_DF_WOODEN_GRID_FIXED_START,
4575   EL_DF_WOODEN_GRID_ROTATING_START,
4576
4577   EL_DF_STEEL_WALL,
4578   EL_DF_WOODEN_WALL,
4579   EL_DF_REFRACTOR,
4580   EL_EMPTY
4581 };
4582 static int *editor_hl_deflektor_ptr = editor_hl_deflektor;
4583 static int *editor_el_deflektor_ptr = editor_el_deflektor;
4584 static int num_editor_hl_deflektor = ARRAY_SIZE(editor_hl_deflektor);
4585 static int num_editor_el_deflektor = ARRAY_SIZE(editor_el_deflektor);
4586
4587 static int editor_hl_chars[] =
4588 {
4589   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
4590   EL_CHAR('T'),
4591   EL_CHAR('X'),
4592   EL_CHAR('T'),
4593 };
4594
4595 static int editor_el_chars[] =
4596 {
4597   EL_CHAR(' '),
4598   EL_CHAR('!'),
4599   EL_CHAR('"'),
4600   EL_CHAR('#'),
4601
4602   EL_CHAR('$'),
4603   EL_CHAR('%'),
4604   EL_CHAR('&'),
4605   EL_CHAR('\''),
4606
4607   EL_CHAR('('),
4608   EL_CHAR(')'),
4609   EL_CHAR('*'),
4610   EL_CHAR('+'),
4611
4612   EL_CHAR(','),
4613   EL_CHAR('-'),
4614   EL_CHAR('.'),
4615   EL_CHAR('/'),
4616
4617   EL_CHAR('0'),
4618   EL_CHAR('1'),
4619   EL_CHAR('2'),
4620   EL_CHAR('3'),
4621
4622   EL_CHAR('4'),
4623   EL_CHAR('5'),
4624   EL_CHAR('6'),
4625   EL_CHAR('7'),
4626
4627   EL_CHAR('8'),
4628   EL_CHAR('9'),
4629   EL_CHAR(':'),
4630   EL_CHAR(';'),
4631
4632   EL_CHAR('<'),
4633   EL_CHAR('='),
4634   EL_CHAR('>'),
4635   EL_CHAR('?'),
4636
4637   EL_CHAR('@'),
4638   EL_CHAR('A'),
4639   EL_CHAR('B'),
4640   EL_CHAR('C'),
4641
4642   EL_CHAR('D'),
4643   EL_CHAR('E'),
4644   EL_CHAR('F'),
4645   EL_CHAR('G'),
4646
4647   EL_CHAR('H'),
4648   EL_CHAR('I'),
4649   EL_CHAR('J'),
4650   EL_CHAR('K'),
4651
4652   EL_CHAR('L'),
4653   EL_CHAR('M'),
4654   EL_CHAR('N'),
4655   EL_CHAR('O'),
4656
4657   EL_CHAR('P'),
4658   EL_CHAR('Q'),
4659   EL_CHAR('R'),
4660   EL_CHAR('S'),
4661
4662   EL_CHAR('T'),
4663   EL_CHAR('U'),
4664   EL_CHAR('V'),
4665   EL_CHAR('W'),
4666
4667   EL_CHAR('X'),
4668   EL_CHAR('Y'),
4669   EL_CHAR('Z'),
4670   EL_CHAR('['),
4671
4672   EL_CHAR('\\'),
4673   EL_CHAR(']'),
4674   EL_CHAR('^'),
4675   EL_CHAR('_'),
4676
4677   EL_CHAR(CHAR_BYTE_COPYRIGHT),
4678   EL_CHAR(CHAR_BYTE_UMLAUT_A),
4679   EL_CHAR(CHAR_BYTE_UMLAUT_O),
4680   EL_CHAR(CHAR_BYTE_UMLAUT_U),
4681
4682   EL_CHAR(CHAR_BYTE_DEGREE),
4683   EL_CHAR(CHAR_BYTE_REGISTERED),
4684   EL_CHAR(FONT_ASCII_CURSOR),
4685   EL_CHAR(FONT_ASCII_BUTTON),
4686
4687   EL_CHAR(FONT_ASCII_UP),
4688   EL_CHAR(FONT_ASCII_DOWN),
4689   EL_CHAR(' '),
4690   EL_CHAR(' ')
4691 };
4692 static int *editor_hl_chars_ptr = editor_hl_chars;
4693 static int *editor_el_chars_ptr = editor_el_chars;
4694 static int num_editor_hl_chars = ARRAY_SIZE(editor_hl_chars);
4695 static int num_editor_el_chars = ARRAY_SIZE(editor_el_chars);
4696
4697 static int editor_hl_steel_chars[] =
4698 {
4699   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
4700   EL_STEEL_CHAR('T'),
4701   EL_STEEL_CHAR('X'),
4702   EL_STEEL_CHAR('T'),
4703 };
4704
4705 static int editor_el_steel_chars[] =
4706 {
4707   EL_STEEL_CHAR(' '),
4708   EL_STEEL_CHAR('!'),
4709   EL_STEEL_CHAR('"'),
4710   EL_STEEL_CHAR('#'),
4711
4712   EL_STEEL_CHAR('$'),
4713   EL_STEEL_CHAR('%'),
4714   EL_STEEL_CHAR('&'),
4715   EL_STEEL_CHAR('\''),
4716
4717   EL_STEEL_CHAR('('),
4718   EL_STEEL_CHAR(')'),
4719   EL_STEEL_CHAR('*'),
4720   EL_STEEL_CHAR('+'),
4721
4722   EL_STEEL_CHAR(','),
4723   EL_STEEL_CHAR('-'),
4724   EL_STEEL_CHAR('.'),
4725   EL_STEEL_CHAR('/'),
4726
4727   EL_STEEL_CHAR('0'),
4728   EL_STEEL_CHAR('1'),
4729   EL_STEEL_CHAR('2'),
4730   EL_STEEL_CHAR('3'),
4731
4732   EL_STEEL_CHAR('4'),
4733   EL_STEEL_CHAR('5'),
4734   EL_STEEL_CHAR('6'),
4735   EL_STEEL_CHAR('7'),
4736
4737   EL_STEEL_CHAR('8'),
4738   EL_STEEL_CHAR('9'),
4739   EL_STEEL_CHAR(':'),
4740   EL_STEEL_CHAR(';'),
4741
4742   EL_STEEL_CHAR('<'),
4743   EL_STEEL_CHAR('='),
4744   EL_STEEL_CHAR('>'),
4745   EL_STEEL_CHAR('?'),
4746
4747   EL_STEEL_CHAR('@'),
4748   EL_STEEL_CHAR('A'),
4749   EL_STEEL_CHAR('B'),
4750   EL_STEEL_CHAR('C'),
4751
4752   EL_STEEL_CHAR('D'),
4753   EL_STEEL_CHAR('E'),
4754   EL_STEEL_CHAR('F'),
4755   EL_STEEL_CHAR('G'),
4756
4757   EL_STEEL_CHAR('H'),
4758   EL_STEEL_CHAR('I'),
4759   EL_STEEL_CHAR('J'),
4760   EL_STEEL_CHAR('K'),
4761
4762   EL_STEEL_CHAR('L'),
4763   EL_STEEL_CHAR('M'),
4764   EL_STEEL_CHAR('N'),
4765   EL_STEEL_CHAR('O'),
4766
4767   EL_STEEL_CHAR('P'),
4768   EL_STEEL_CHAR('Q'),
4769   EL_STEEL_CHAR('R'),
4770   EL_STEEL_CHAR('S'),
4771
4772   EL_STEEL_CHAR('T'),
4773   EL_STEEL_CHAR('U'),
4774   EL_STEEL_CHAR('V'),
4775   EL_STEEL_CHAR('W'),
4776
4777   EL_STEEL_CHAR('X'),
4778   EL_STEEL_CHAR('Y'),
4779   EL_STEEL_CHAR('Z'),
4780   EL_STEEL_CHAR('['),
4781
4782   EL_STEEL_CHAR('\\'),
4783   EL_STEEL_CHAR(']'),
4784   EL_STEEL_CHAR('^'),
4785   EL_STEEL_CHAR('_'),
4786
4787   EL_STEEL_CHAR(CHAR_BYTE_COPYRIGHT),
4788   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_A),
4789   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_O),
4790   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_U),
4791
4792   EL_STEEL_CHAR(CHAR_BYTE_DEGREE),
4793   EL_STEEL_CHAR(CHAR_BYTE_REGISTERED),
4794   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
4795   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
4796
4797   EL_STEEL_CHAR(FONT_ASCII_UP),
4798   EL_STEEL_CHAR(FONT_ASCII_DOWN),
4799   EL_STEEL_CHAR(' '),
4800   EL_STEEL_CHAR(' ')
4801 };
4802 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
4803 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
4804 static int num_editor_hl_steel_chars = ARRAY_SIZE(editor_hl_steel_chars);
4805 static int num_editor_el_steel_chars = ARRAY_SIZE(editor_el_steel_chars);
4806
4807 static int editor_hl_custom[] =
4808 {
4809   EL_INTERNAL_CASCADE_CE_ACTIVE,
4810   EL_CHAR('C'),
4811   EL_CHAR('E'),
4812   EL_EMPTY,
4813 };
4814
4815 static int editor_el_custom[] =
4816 {
4817   EL_CUSTOM_START + 0,
4818   EL_CUSTOM_START + 1,
4819   EL_CUSTOM_START + 2,
4820   EL_CUSTOM_START + 3,
4821
4822   EL_CUSTOM_START + 4,
4823   EL_CUSTOM_START + 5,
4824   EL_CUSTOM_START + 6,
4825   EL_CUSTOM_START + 7,
4826
4827   EL_CUSTOM_START + 8,
4828   EL_CUSTOM_START + 9,
4829   EL_CUSTOM_START + 10,
4830   EL_CUSTOM_START + 11,
4831
4832   EL_CUSTOM_START + 12,
4833   EL_CUSTOM_START + 13,
4834   EL_CUSTOM_START + 14,
4835   EL_CUSTOM_START + 15,
4836
4837   EL_CUSTOM_START + 16,
4838   EL_CUSTOM_START + 17,
4839   EL_CUSTOM_START + 18,
4840   EL_CUSTOM_START + 19,
4841
4842   EL_CUSTOM_START + 20,
4843   EL_CUSTOM_START + 21,
4844   EL_CUSTOM_START + 22,
4845   EL_CUSTOM_START + 23,
4846
4847   EL_CUSTOM_START + 24,
4848   EL_CUSTOM_START + 25,
4849   EL_CUSTOM_START + 26,
4850   EL_CUSTOM_START + 27,
4851
4852   EL_CUSTOM_START + 28,
4853   EL_CUSTOM_START + 29,
4854   EL_CUSTOM_START + 30,
4855   EL_CUSTOM_START + 31,
4856
4857   EL_CUSTOM_START + 32,
4858   EL_CUSTOM_START + 33,
4859   EL_CUSTOM_START + 34,
4860   EL_CUSTOM_START + 35,
4861
4862   EL_CUSTOM_START + 36,
4863   EL_CUSTOM_START + 37,
4864   EL_CUSTOM_START + 38,
4865   EL_CUSTOM_START + 39,
4866
4867   EL_CUSTOM_START + 40,
4868   EL_CUSTOM_START + 41,
4869   EL_CUSTOM_START + 42,
4870   EL_CUSTOM_START + 43,
4871
4872   EL_CUSTOM_START + 44,
4873   EL_CUSTOM_START + 45,
4874   EL_CUSTOM_START + 46,
4875   EL_CUSTOM_START + 47,
4876
4877   EL_CUSTOM_START + 48,
4878   EL_CUSTOM_START + 49,
4879   EL_CUSTOM_START + 50,
4880   EL_CUSTOM_START + 51,
4881
4882   EL_CUSTOM_START + 52,
4883   EL_CUSTOM_START + 53,
4884   EL_CUSTOM_START + 54,
4885   EL_CUSTOM_START + 55,
4886
4887   EL_CUSTOM_START + 56,
4888   EL_CUSTOM_START + 57,
4889   EL_CUSTOM_START + 58,
4890   EL_CUSTOM_START + 59,
4891
4892   EL_CUSTOM_START + 60,
4893   EL_CUSTOM_START + 61,
4894   EL_CUSTOM_START + 62,
4895   EL_CUSTOM_START + 63,
4896
4897   EL_CUSTOM_START + 64,
4898   EL_CUSTOM_START + 65,
4899   EL_CUSTOM_START + 66,
4900   EL_CUSTOM_START + 67,
4901
4902   EL_CUSTOM_START + 68,
4903   EL_CUSTOM_START + 69,
4904   EL_CUSTOM_START + 70,
4905   EL_CUSTOM_START + 71,
4906
4907   EL_CUSTOM_START + 72,
4908   EL_CUSTOM_START + 73,
4909   EL_CUSTOM_START + 74,
4910   EL_CUSTOM_START + 75,
4911
4912   EL_CUSTOM_START + 76,
4913   EL_CUSTOM_START + 77,
4914   EL_CUSTOM_START + 78,
4915   EL_CUSTOM_START + 79,
4916
4917   EL_CUSTOM_START + 80,
4918   EL_CUSTOM_START + 81,
4919   EL_CUSTOM_START + 82,
4920   EL_CUSTOM_START + 83,
4921
4922   EL_CUSTOM_START + 84,
4923   EL_CUSTOM_START + 85,
4924   EL_CUSTOM_START + 86,
4925   EL_CUSTOM_START + 87,
4926
4927   EL_CUSTOM_START + 88,
4928   EL_CUSTOM_START + 89,
4929   EL_CUSTOM_START + 90,
4930   EL_CUSTOM_START + 91,
4931
4932   EL_CUSTOM_START + 92,
4933   EL_CUSTOM_START + 93,
4934   EL_CUSTOM_START + 94,
4935   EL_CUSTOM_START + 95,
4936
4937   EL_CUSTOM_START + 96,
4938   EL_CUSTOM_START + 97,
4939   EL_CUSTOM_START + 98,
4940   EL_CUSTOM_START + 99,
4941
4942   EL_CUSTOM_START + 100,
4943   EL_CUSTOM_START + 101,
4944   EL_CUSTOM_START + 102,
4945   EL_CUSTOM_START + 103,
4946
4947   EL_CUSTOM_START + 104,
4948   EL_CUSTOM_START + 105,
4949   EL_CUSTOM_START + 106,
4950   EL_CUSTOM_START + 107,
4951
4952   EL_CUSTOM_START + 108,
4953   EL_CUSTOM_START + 109,
4954   EL_CUSTOM_START + 110,
4955   EL_CUSTOM_START + 111,
4956
4957   EL_CUSTOM_START + 112,
4958   EL_CUSTOM_START + 113,
4959   EL_CUSTOM_START + 114,
4960   EL_CUSTOM_START + 115,
4961
4962   EL_CUSTOM_START + 116,
4963   EL_CUSTOM_START + 117,
4964   EL_CUSTOM_START + 118,
4965   EL_CUSTOM_START + 119,
4966
4967   EL_CUSTOM_START + 120,
4968   EL_CUSTOM_START + 121,
4969   EL_CUSTOM_START + 122,
4970   EL_CUSTOM_START + 123,
4971
4972   EL_CUSTOM_START + 124,
4973   EL_CUSTOM_START + 125,
4974   EL_CUSTOM_START + 126,
4975   EL_CUSTOM_START + 127,
4976
4977   EL_CUSTOM_START + 128,
4978   EL_CUSTOM_START + 129,
4979   EL_CUSTOM_START + 130,
4980   EL_CUSTOM_START + 131,
4981
4982   EL_CUSTOM_START + 132,
4983   EL_CUSTOM_START + 133,
4984   EL_CUSTOM_START + 134,
4985   EL_CUSTOM_START + 135,
4986
4987   EL_CUSTOM_START + 136,
4988   EL_CUSTOM_START + 137,
4989   EL_CUSTOM_START + 138,
4990   EL_CUSTOM_START + 139,
4991
4992   EL_CUSTOM_START + 140,
4993   EL_CUSTOM_START + 141,
4994   EL_CUSTOM_START + 142,
4995   EL_CUSTOM_START + 143,
4996
4997   EL_CUSTOM_START + 144,
4998   EL_CUSTOM_START + 145,
4999   EL_CUSTOM_START + 146,
5000   EL_CUSTOM_START + 147,
5001
5002   EL_CUSTOM_START + 148,
5003   EL_CUSTOM_START + 149,
5004   EL_CUSTOM_START + 150,
5005   EL_CUSTOM_START + 151,
5006
5007   EL_CUSTOM_START + 152,
5008   EL_CUSTOM_START + 153,
5009   EL_CUSTOM_START + 154,
5010   EL_CUSTOM_START + 155,
5011
5012   EL_CUSTOM_START + 156,
5013   EL_CUSTOM_START + 157,
5014   EL_CUSTOM_START + 158,
5015   EL_CUSTOM_START + 159,
5016
5017   EL_CUSTOM_START + 160,
5018   EL_CUSTOM_START + 161,
5019   EL_CUSTOM_START + 162,
5020   EL_CUSTOM_START + 163,
5021
5022   EL_CUSTOM_START + 164,
5023   EL_CUSTOM_START + 165,
5024   EL_CUSTOM_START + 166,
5025   EL_CUSTOM_START + 167,
5026
5027   EL_CUSTOM_START + 168,
5028   EL_CUSTOM_START + 169,
5029   EL_CUSTOM_START + 170,
5030   EL_CUSTOM_START + 171,
5031
5032   EL_CUSTOM_START + 172,
5033   EL_CUSTOM_START + 173,
5034   EL_CUSTOM_START + 174,
5035   EL_CUSTOM_START + 175,
5036
5037   EL_CUSTOM_START + 176,
5038   EL_CUSTOM_START + 177,
5039   EL_CUSTOM_START + 178,
5040   EL_CUSTOM_START + 179,
5041
5042   EL_CUSTOM_START + 180,
5043   EL_CUSTOM_START + 181,
5044   EL_CUSTOM_START + 182,
5045   EL_CUSTOM_START + 183,
5046
5047   EL_CUSTOM_START + 184,
5048   EL_CUSTOM_START + 185,
5049   EL_CUSTOM_START + 186,
5050   EL_CUSTOM_START + 187,
5051
5052   EL_CUSTOM_START + 188,
5053   EL_CUSTOM_START + 189,
5054   EL_CUSTOM_START + 190,
5055   EL_CUSTOM_START + 191,
5056
5057   EL_CUSTOM_START + 192,
5058   EL_CUSTOM_START + 193,
5059   EL_CUSTOM_START + 194,
5060   EL_CUSTOM_START + 195,
5061
5062   EL_CUSTOM_START + 196,
5063   EL_CUSTOM_START + 197,
5064   EL_CUSTOM_START + 198,
5065   EL_CUSTOM_START + 199,
5066
5067   EL_CUSTOM_START + 200,
5068   EL_CUSTOM_START + 201,
5069   EL_CUSTOM_START + 202,
5070   EL_CUSTOM_START + 203,
5071
5072   EL_CUSTOM_START + 204,
5073   EL_CUSTOM_START + 205,
5074   EL_CUSTOM_START + 206,
5075   EL_CUSTOM_START + 207,
5076
5077   EL_CUSTOM_START + 208,
5078   EL_CUSTOM_START + 209,
5079   EL_CUSTOM_START + 210,
5080   EL_CUSTOM_START + 211,
5081
5082   EL_CUSTOM_START + 212,
5083   EL_CUSTOM_START + 213,
5084   EL_CUSTOM_START + 214,
5085   EL_CUSTOM_START + 215,
5086
5087   EL_CUSTOM_START + 216,
5088   EL_CUSTOM_START + 217,
5089   EL_CUSTOM_START + 218,
5090   EL_CUSTOM_START + 219,
5091
5092   EL_CUSTOM_START + 220,
5093   EL_CUSTOM_START + 221,
5094   EL_CUSTOM_START + 222,
5095   EL_CUSTOM_START + 223,
5096
5097   EL_CUSTOM_START + 224,
5098   EL_CUSTOM_START + 225,
5099   EL_CUSTOM_START + 226,
5100   EL_CUSTOM_START + 227,
5101
5102   EL_CUSTOM_START + 228,
5103   EL_CUSTOM_START + 229,
5104   EL_CUSTOM_START + 230,
5105   EL_CUSTOM_START + 231,
5106
5107   EL_CUSTOM_START + 232,
5108   EL_CUSTOM_START + 233,
5109   EL_CUSTOM_START + 234,
5110   EL_CUSTOM_START + 235,
5111
5112   EL_CUSTOM_START + 236,
5113   EL_CUSTOM_START + 237,
5114   EL_CUSTOM_START + 238,
5115   EL_CUSTOM_START + 239,
5116
5117   EL_CUSTOM_START + 240,
5118   EL_CUSTOM_START + 241,
5119   EL_CUSTOM_START + 242,
5120   EL_CUSTOM_START + 243,
5121
5122   EL_CUSTOM_START + 244,
5123   EL_CUSTOM_START + 245,
5124   EL_CUSTOM_START + 246,
5125   EL_CUSTOM_START + 247,
5126
5127   EL_CUSTOM_START + 248,
5128   EL_CUSTOM_START + 249,
5129   EL_CUSTOM_START + 250,
5130   EL_CUSTOM_START + 251,
5131
5132   EL_CUSTOM_START + 252,
5133   EL_CUSTOM_START + 253,
5134   EL_CUSTOM_START + 254,
5135   EL_CUSTOM_START + 255
5136 };
5137 static int *editor_hl_custom_ptr = editor_hl_custom;
5138 static int *editor_el_custom_ptr = editor_el_custom;
5139 static int num_editor_hl_custom = ARRAY_SIZE(editor_hl_custom);
5140 static int num_editor_el_custom = ARRAY_SIZE(editor_el_custom);
5141
5142 static int editor_hl_group[] =
5143 {
5144   EL_INTERNAL_CASCADE_GE_ACTIVE,
5145   EL_CHAR('G'),
5146   EL_CHAR('E'),
5147   EL_EMPTY,
5148 };
5149
5150 static int editor_el_group[] =
5151 {
5152   EL_GROUP_START + 0,
5153   EL_GROUP_START + 1,
5154   EL_GROUP_START + 2,
5155   EL_GROUP_START + 3,
5156
5157   EL_GROUP_START + 4,
5158   EL_GROUP_START + 5,
5159   EL_GROUP_START + 6,
5160   EL_GROUP_START + 7,
5161
5162   EL_GROUP_START + 8,
5163   EL_GROUP_START + 9,
5164   EL_GROUP_START + 10,
5165   EL_GROUP_START + 11,
5166
5167   EL_GROUP_START + 12,
5168   EL_GROUP_START + 13,
5169   EL_GROUP_START + 14,
5170   EL_GROUP_START + 15,
5171
5172   EL_GROUP_START + 16,
5173   EL_GROUP_START + 17,
5174   EL_GROUP_START + 18,
5175   EL_GROUP_START + 19,
5176
5177   EL_GROUP_START + 20,
5178   EL_GROUP_START + 21,
5179   EL_GROUP_START + 22,
5180   EL_GROUP_START + 23,
5181
5182   EL_GROUP_START + 24,
5183   EL_GROUP_START + 25,
5184   EL_GROUP_START + 26,
5185   EL_GROUP_START + 27,
5186
5187   EL_GROUP_START + 28,
5188   EL_GROUP_START + 29,
5189   EL_GROUP_START + 30,
5190   EL_GROUP_START + 31
5191 };
5192 static int *editor_hl_group_ptr = editor_hl_group;
5193 static int *editor_el_group_ptr = editor_el_group;
5194 static int num_editor_hl_group = ARRAY_SIZE(editor_hl_group);
5195 static int num_editor_el_group = ARRAY_SIZE(editor_el_group);
5196
5197 static int editor_hl_reference[] =
5198 {
5199   EL_INTERNAL_CASCADE_REF_ACTIVE,
5200   EL_CHAR('R'),
5201   EL_CHAR('E'),
5202   EL_CHAR('F')
5203 };
5204
5205 static int editor_el_reference[] =
5206 {
5207   EL_TRIGGER_PLAYER,
5208   EL_TRIGGER_ELEMENT,
5209   EL_TRIGGER_CE_VALUE,
5210   EL_TRIGGER_CE_SCORE,
5211
5212   EL_SELF,
5213   EL_ANY_ELEMENT,
5214   EL_CURRENT_CE_VALUE,
5215   EL_CURRENT_CE_SCORE,
5216
5217   EL_PREV_CE_8,
5218   EL_PREV_CE_7,
5219   EL_PREV_CE_6,
5220   EL_PREV_CE_5,
5221
5222   EL_PREV_CE_4,
5223   EL_PREV_CE_3,
5224   EL_PREV_CE_2,
5225   EL_PREV_CE_1,
5226
5227   EL_NEXT_CE_1,
5228   EL_NEXT_CE_2,
5229   EL_NEXT_CE_3,
5230   EL_NEXT_CE_4,
5231
5232   EL_NEXT_CE_5,
5233   EL_NEXT_CE_6,
5234   EL_NEXT_CE_7,
5235   EL_NEXT_CE_8,
5236 };
5237 static int *editor_hl_reference_ptr = editor_hl_reference;
5238 static int *editor_el_reference_ptr = editor_el_reference;
5239 static int num_editor_hl_reference = ARRAY_SIZE(editor_hl_reference);
5240 static int num_editor_el_reference = ARRAY_SIZE(editor_el_reference);
5241
5242 static int editor_hl_user_defined[] =
5243 {
5244   EL_INTERNAL_CASCADE_USER_ACTIVE,
5245   EL_CHAR('M'),
5246   EL_CHAR('Y'),
5247   EL_EMPTY,
5248 };
5249
5250 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
5251 static int *editor_el_user_defined_ptr = NULL;
5252 static int num_editor_hl_user_defined = ARRAY_SIZE(editor_hl_user_defined);
5253 static int num_editor_el_user_defined = 0;
5254
5255 static int editor_hl_dynamic[] =
5256 {
5257   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
5258   EL_CHAR('U'),
5259   EL_CHAR('S'),
5260   EL_CHAR('E'),
5261 };
5262
5263 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
5264 static int *editor_el_dynamic_ptr = NULL;
5265 static int num_editor_hl_dynamic = ARRAY_SIZE(editor_hl_dynamic);
5266 static int num_editor_el_dynamic = 0;
5267
5268 static int editor_hl_empty[] = { EL_EMPTY };
5269 static int *editor_el_empty = NULL;     // dynamically allocated
5270
5271 static int *editor_hl_empty_ptr = editor_hl_empty;
5272 static int *editor_el_empty_ptr = NULL;
5273 static int num_editor_hl_empty = 0;
5274 static int num_editor_el_empty = 0;     // dynamically determined, if needed
5275
5276 static boolean use_el_empty = FALSE;
5277
5278 static int *editor_elements = NULL;     // dynamically allocated
5279 static int num_editor_elements = 0;     // dynamically determined
5280
5281 static boolean setup_editor_cascade_never = FALSE;
5282
5283 static boolean setup_editor_el_players                  = TRUE;
5284 static boolean setup_editor_el_boulderdash              = TRUE;
5285 static boolean setup_editor_el_emerald_mine             = TRUE;
5286 static boolean setup_editor_el_emerald_mine_club        = TRUE;
5287 static boolean setup_editor_el_more                     = TRUE;
5288 static boolean setup_editor_el_sokoban                  = TRUE;
5289 static boolean setup_editor_el_supaplex                 = TRUE;
5290 static boolean setup_editor_el_diamond_caves            = TRUE;
5291 static boolean setup_editor_el_dx_boulderdash           = TRUE;
5292 static boolean setup_editor_el_mirror_magic             = TRUE;
5293 static boolean setup_editor_el_deflektor                = TRUE;
5294 static boolean setup_editor_el_chars                    = TRUE;
5295 static boolean setup_editor_el_steel_chars              = TRUE;
5296 static boolean setup_editor_el_custom                   = TRUE;
5297 static boolean setup_editor_el_user_defined             = TRUE;
5298 static boolean setup_editor_el_dynamic                  = TRUE;
5299
5300 static int editor_hl_unused[] = { EL_EMPTY };
5301 static int *editor_hl_unused_ptr = editor_hl_unused;
5302 static int num_editor_hl_unused = 0;
5303
5304 static struct
5305 {
5306   boolean *setup_value;
5307   boolean *setup_cascade_value;
5308
5309   int **headline_list;
5310   int *headline_list_size;
5311
5312   int **element_list;
5313   int *element_list_size;
5314
5315   boolean last_setup_value;
5316 }
5317 editor_elements_info[] =
5318 {
5319   {
5320     &setup_editor_el_players,
5321     &setup_editor_cascade_never,
5322     &editor_hl_unused_ptr,              &num_editor_hl_unused,
5323     &editor_el_players_ptr,             &num_editor_el_players
5324   },
5325   {
5326     &setup_editor_el_boulderdash,
5327     &setup.editor_cascade.el_bd,
5328     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
5329     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
5330   },
5331   {
5332     &setup_editor_el_emerald_mine,
5333     &setup.editor_cascade.el_em,
5334     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
5335     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
5336   },
5337   {
5338     &setup_editor_el_emerald_mine_club,
5339     &setup.editor_cascade.el_emc,
5340     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
5341     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
5342   },
5343   {
5344     &setup_editor_el_more,
5345     &setup.editor_cascade.el_rnd,
5346     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
5347     &editor_el_rnd_ptr,                 &num_editor_el_rnd
5348   },
5349   {
5350     &setup_editor_el_sokoban,
5351     &setup.editor_cascade.el_sb,
5352     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
5353     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
5354   },
5355   {
5356     &setup_editor_el_supaplex,
5357     &setup.editor_cascade.el_sp,
5358     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
5359     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
5360   },
5361   {
5362     &setup_editor_el_diamond_caves,
5363     &setup.editor_cascade.el_dc,
5364     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
5365     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
5366   },
5367   {
5368     &setup_editor_el_dx_boulderdash,
5369     &setup.editor_cascade.el_dx,
5370     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
5371     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
5372   },
5373   {
5374     &setup_editor_el_mirror_magic,
5375     &setup.editor_cascade.el_mm,
5376     &editor_hl_mirror_magic_ptr,        &num_editor_hl_mirror_magic,
5377     &editor_el_mirror_magic_ptr,        &num_editor_el_mirror_magic
5378   },
5379   {
5380     &setup_editor_el_deflektor,
5381     &setup.editor_cascade.el_df,
5382     &editor_hl_deflektor_ptr,           &num_editor_hl_deflektor,
5383     &editor_el_deflektor_ptr,           &num_editor_el_deflektor
5384   },
5385   {
5386     &setup_editor_el_chars,
5387     &setup.editor_cascade.el_chars,
5388     &editor_hl_chars_ptr,               &num_editor_hl_chars,
5389     &editor_el_chars_ptr,               &num_editor_el_chars
5390   },
5391   {
5392     &setup_editor_el_steel_chars,
5393     &setup.editor_cascade.el_steel_chars,
5394     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
5395     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
5396   },
5397   {
5398     &setup_editor_el_custom,
5399     &setup.editor_cascade.el_ce,
5400     &editor_hl_custom_ptr,              &num_editor_hl_custom,
5401     &editor_el_custom_ptr,              &num_editor_el_custom
5402   },
5403   {
5404     &setup_editor_el_custom,
5405     &setup.editor_cascade.el_ge,
5406     &editor_hl_group_ptr,               &num_editor_hl_group,
5407     &editor_el_group_ptr,               &num_editor_el_group
5408   },
5409   {
5410     &setup_editor_el_custom,
5411     &setup.editor_cascade.el_ref,
5412     &editor_hl_reference_ptr,           &num_editor_hl_reference,
5413     &editor_el_reference_ptr,           &num_editor_el_reference
5414   },
5415   {
5416     &setup_editor_el_user_defined,
5417     &setup.editor_cascade.el_user,
5418     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
5419     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
5420   },
5421   {
5422     &setup_editor_el_dynamic,
5423     &setup.editor_cascade.el_dynamic,
5424     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
5425     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
5426   },
5427   {
5428     &use_el_empty,
5429     &use_el_empty,
5430     &editor_hl_empty_ptr,               &num_editor_hl_empty,
5431     &editor_el_empty_ptr,               &num_editor_el_empty,
5432   },
5433   {
5434     NULL,
5435     NULL,
5436     NULL,                               NULL,
5437     NULL,                               NULL
5438   }
5439 };
5440
5441
5442 // ----------------------------------------------------------------------------
5443 // functions
5444 // ----------------------------------------------------------------------------
5445
5446 static int getMaxInfoTextLength(void)
5447 {
5448   return (SXSIZE / getFontWidth(INFOTEXT_FONT));
5449 }
5450
5451 static int getTextWidthForGadget(char *text)
5452 {
5453   if (text == NULL)
5454     return 0;
5455
5456   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
5457 }
5458
5459 static int getTextWidthForDrawingArea(char *text)
5460 {
5461   if (text == NULL)
5462     return 0;
5463
5464   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_TEXT_DISTANCE);
5465 }
5466
5467 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
5468 {
5469   return (gi->x + gi->width + getTextWidthForGadget(text));
5470 }
5471
5472 static char *getElementInfoText(int element)
5473 {
5474   char *info_text = NULL;
5475
5476   if (element < MAX_NUM_ELEMENTS)
5477   {
5478     if (strlen(element_info[element].description) > 0)
5479       info_text = element_info[element].description;
5480     else if (element_info[element].custom_description != NULL)
5481       info_text = element_info[element].custom_description;
5482     else if (element_info[element].editor_description != NULL)
5483       info_text = element_info[element].editor_description;
5484   }
5485
5486   if (info_text == NULL)
5487     info_text = INFOTEXT_UNKNOWN_ELEMENT;
5488
5489   return info_text;
5490 }
5491
5492 static char *getElementDescriptionFilenameExt(char *basename)
5493 {
5494   char *elements_subdir = "elements";
5495   static char *elements_subdir2 = NULL;
5496   static char *filename = NULL;
5497
5498   if (elements_subdir2 == NULL)
5499     elements_subdir2 = getPath2(DOCS_DIRECTORY, elements_subdir);
5500
5501   checked_free(filename);
5502
5503   // 1st try: look for element description in current level set directory
5504   filename = getPath3(getCurrentLevelDir(), elements_subdir2, basename);
5505   if (fileExists(filename))
5506     return filename;
5507
5508   free(filename);
5509
5510   // 2nd try: look for element description in the game's base directory
5511   filename = getPath3(options.docs_directory, elements_subdir, basename);
5512   if (fileExists(filename))
5513     return filename;
5514
5515   return NULL;
5516 }
5517
5518 static char *getElementDescriptionFilename(int element)
5519 {
5520   char basename[MAX_FILENAME_LEN];
5521   char *filename;
5522
5523   // 1st try: look for element description file for exactly this element
5524   sprintf(basename, "%s.txt", element_info[element].token_name);
5525   filename = getElementDescriptionFilenameExt(basename);
5526   if (filename != NULL)
5527     return filename;
5528
5529   // 2nd try: look for element description file for this element's class
5530   sprintf(basename, "%s.txt", element_info[element].class_name);
5531   filename = getElementDescriptionFilenameExt(basename);
5532   if (filename != NULL)
5533     return filename;
5534
5535   return NULL;
5536 }
5537
5538 static boolean suppressBorderElement(void)
5539 {
5540   return (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
5541           lev_fieldx <= MAX_ED_FIELDX &&
5542           lev_fieldy <= MAX_ED_FIELDY);
5543 }
5544
5545 static void InitDynamicEditorElementList(int **elements, int *num_elements)
5546 {
5547   boolean element_found[NUM_FILE_ELEMENTS];
5548   int i, x, y;
5549
5550   // initialize list of used elements to "not used"
5551   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5552     element_found[i] = FALSE;
5553
5554   // find all elements used in current level
5555   for (y = 0; y < lev_fieldy; y++)
5556     for (x = 0; x < lev_fieldx; x++)
5557       if (Feld[x][y] < NUM_FILE_ELEMENTS)       // should always be true
5558         element_found[Feld[x][y]] = TRUE;
5559
5560   *num_elements = 0;
5561
5562   // count number of elements used in current level
5563   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5564     if (element_found[i])
5565       (*num_elements)++;
5566
5567   // add space for up to 3 more elements for padding that may be needed
5568   *num_elements += 3;
5569
5570   // free memory for old list of elements, if needed
5571   checked_free(*elements);
5572
5573   // allocate memory for new list of elements
5574   *elements = checked_malloc(*num_elements * sizeof(int));
5575
5576   *num_elements = 0;
5577
5578   // add all elements used in current level (non-custom/group elements)
5579   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5580     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
5581       (*elements)[(*num_elements)++] = i;
5582
5583   // add all elements used in current level (custom/group elements)
5584   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5585     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
5586       (*elements)[(*num_elements)++] = i;
5587
5588   while (*num_elements % 4)     // pad with empty elements, if needed
5589     (*elements)[(*num_elements)++] = EL_EMPTY;
5590 }
5591
5592 static void ReinitializeElementList_EnableSections(void)
5593 {
5594   // default: enable all element sections
5595
5596   setup_editor_el_players               = TRUE;
5597   setup_editor_el_boulderdash           = TRUE;
5598   setup_editor_el_emerald_mine          = TRUE;
5599   setup_editor_el_emerald_mine_club     = TRUE;
5600   setup_editor_el_more                  = TRUE;
5601   setup_editor_el_sokoban               = TRUE;
5602   setup_editor_el_supaplex              = TRUE;
5603   setup_editor_el_diamond_caves         = TRUE;
5604   setup_editor_el_dx_boulderdash        = TRUE;
5605   setup_editor_el_mirror_magic          = TRUE;
5606   setup_editor_el_deflektor             = TRUE;
5607   setup_editor_el_chars                 = TRUE;
5608   setup_editor_el_steel_chars           = TRUE;
5609
5610   setup_editor_el_custom                = TRUE;
5611   setup_editor_el_user_defined          = TRUE;
5612   setup_editor_el_dynamic               = TRUE;
5613
5614   // now disable all element sections not to be displayed
5615
5616   if (!setup.editor.el_classic)
5617   {
5618     setup_editor_el_players             = FALSE;
5619     setup_editor_el_boulderdash         = FALSE;
5620     setup_editor_el_emerald_mine        = FALSE;
5621     setup_editor_el_emerald_mine_club   = FALSE;
5622     setup_editor_el_more                = FALSE;
5623     setup_editor_el_sokoban             = FALSE;
5624     setup_editor_el_supaplex            = FALSE;
5625     setup_editor_el_diamond_caves       = FALSE;
5626     setup_editor_el_dx_boulderdash      = FALSE;
5627     setup_editor_el_mirror_magic        = FALSE;
5628     setup_editor_el_deflektor           = FALSE;
5629     setup_editor_el_chars               = FALSE;
5630     setup_editor_el_steel_chars         = FALSE;
5631   }
5632
5633   if (!setup.editor.el_custom)
5634   {
5635     setup_editor_el_custom              = FALSE;
5636   }
5637
5638   if (!setup.editor.el_user_defined)
5639   {
5640     setup_editor_el_user_defined        = FALSE;
5641   }
5642
5643   if (!setup.editor.el_dynamic)
5644   {
5645     setup_editor_el_dynamic             = FALSE;
5646   }
5647
5648   if (level.game_engine_type == GAME_ENGINE_TYPE_RND)
5649   {
5650     setup_editor_el_mirror_magic        = FALSE;
5651     setup_editor_el_deflektor           = FALSE;
5652   }
5653   else if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
5654   {
5655     setup_editor_el_boulderdash         = FALSE;
5656     setup_editor_el_more                = FALSE;
5657     setup_editor_el_sokoban             = FALSE;
5658     setup_editor_el_supaplex            = FALSE;
5659     setup_editor_el_diamond_caves       = FALSE;
5660     setup_editor_el_dx_boulderdash      = FALSE;
5661     setup_editor_el_mirror_magic        = FALSE;
5662     setup_editor_el_deflektor           = FALSE;
5663     setup_editor_el_steel_chars         = FALSE;
5664
5665     setup_editor_el_custom              = FALSE;
5666   }
5667   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
5668   {
5669     setup_editor_el_players             = FALSE;
5670     setup_editor_el_boulderdash         = FALSE;
5671     setup_editor_el_emerald_mine        = FALSE;
5672     setup_editor_el_emerald_mine_club   = FALSE;
5673     setup_editor_el_more                = FALSE;
5674     setup_editor_el_sokoban             = FALSE;
5675     setup_editor_el_diamond_caves       = FALSE;
5676     setup_editor_el_dx_boulderdash      = FALSE;
5677     setup_editor_el_mirror_magic        = FALSE;
5678     setup_editor_el_deflektor           = FALSE;
5679     setup_editor_el_chars               = FALSE;
5680     setup_editor_el_steel_chars         = FALSE;
5681
5682     setup_editor_el_custom              = FALSE;
5683   }
5684   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
5685   {
5686     setup_editor_el_players             = FALSE;
5687     setup_editor_el_boulderdash         = FALSE;
5688     setup_editor_el_emerald_mine        = FALSE;
5689     setup_editor_el_emerald_mine_club   = FALSE;
5690     setup_editor_el_more                = FALSE;
5691     setup_editor_el_sokoban             = FALSE;
5692     setup_editor_el_supaplex            = FALSE;
5693     setup_editor_el_diamond_caves       = FALSE;
5694     setup_editor_el_dx_boulderdash      = FALSE;
5695     setup_editor_el_steel_chars         = FALSE;
5696
5697     setup_editor_el_custom              = FALSE;
5698   }
5699 }
5700
5701 static void ReinitializeElementList(void)
5702 {
5703   static boolean initialization_needed = TRUE;
5704   int pos = 0;
5705   int i, j;
5706
5707   ReinitializeElementList_EnableSections();
5708
5709   if (initialization_needed)
5710   {
5711     LoadSetup_EditorCascade();          // load last editor cascade state
5712
5713     // initialize editor cascade element from saved cascade state
5714     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5715     {
5716       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
5717       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
5718
5719       if (IS_EDITOR_CASCADE(*cascade_element))
5720         *cascade_element =
5721           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
5722            EL_CASCADE_INACTIVE(*cascade_element));
5723     }
5724
5725     initialization_needed = FALSE;
5726   }
5727
5728   checked_free(editor_elements);
5729
5730   // reload optional user defined element list for each invocation of editor
5731   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
5732                                    &num_editor_el_user_defined);
5733
5734   // initialize dynamic level element list for each invocation of editor
5735   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
5736                                &num_editor_el_dynamic);
5737
5738   // initialize list of empty elements (used for padding, if needed)
5739   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
5740     editor_el_empty[i] = EL_EMPTY;
5741
5742   // do some sanity checks for each element from element list
5743   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5744   {
5745     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5746     {
5747       int element = (*editor_elements_info[i].element_list)[j];
5748
5749       if (element >= NUM_FILE_ELEMENTS)
5750         Error(ERR_WARN, "editor element %d is runtime element", element);
5751
5752       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
5753         Error(ERR_WARN, "no element description text for element %d", element);
5754     }
5755   }
5756
5757   num_editor_elements = 0;
5758   use_el_empty = FALSE;
5759
5760   // determine size of element list
5761   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5762   {
5763     boolean found_inactive_cascade = FALSE;
5764
5765     if (*editor_elements_info[i].setup_value)
5766     {
5767       if (setup.editor.el_headlines)
5768       {
5769         // required for correct padding of palette headline buttons
5770         if (*editor_elements_info[i].headline_list_size > 0)
5771           num_editor_elements += ED_ELEMENTLIST_COLS;
5772
5773         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5774         {
5775           int element = (*editor_elements_info[i].headline_list)[j];
5776
5777           if (IS_EDITOR_CASCADE_INACTIVE(element))
5778             found_inactive_cascade = TRUE;
5779         }
5780       }
5781
5782       if (found_inactive_cascade)
5783         continue;
5784
5785       // required for correct padding of palette element buttons
5786       int element_list_size = *editor_elements_info[i].element_list_size;
5787       int element_rows =
5788         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
5789       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
5790
5791       num_editor_elements += element_buttons;
5792     }
5793   }
5794
5795   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
5796   {
5797     // offer at least as many elements as element buttons exist
5798     use_el_empty = TRUE;
5799     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
5800
5801     num_editor_elements += num_editor_el_empty;
5802   }
5803   else
5804   {
5805     num_editor_el_empty = 0;
5806   }
5807
5808   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
5809
5810   // fill element list
5811   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5812   {
5813     boolean found_inactive_cascade = FALSE;
5814
5815     if (*editor_elements_info[i].setup_value)
5816     {
5817       if (setup.editor.el_headlines)
5818       {
5819         // required for correct padding of palette headline buttons
5820         int headline_size = (*editor_elements_info[i].headline_list_size > 0 ?
5821                              ED_ELEMENTLIST_COLS : 0);
5822
5823         for (j = 0; j < headline_size; j++)
5824         {
5825           // use empty elements for padding of palette headline buttons
5826           int element = (j < *editor_elements_info[i].headline_list_size ?
5827                          (*editor_elements_info[i].headline_list)[j] :
5828                          editor_el_empty[0]);
5829
5830           editor_elements[pos++] = element;
5831
5832           if (IS_EDITOR_CASCADE_INACTIVE(element))
5833             found_inactive_cascade = TRUE;
5834         }
5835       }
5836
5837       if (found_inactive_cascade)
5838         continue;
5839
5840       // required for correct padding of palette element buttons
5841       int element_list_size = *editor_elements_info[i].element_list_size;
5842       int element_rows =
5843         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
5844       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
5845
5846       // copy all elements from element list
5847       for (j = 0; j < element_list_size; j++)
5848         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
5849
5850       // use empty elements for padding of palette element buttons
5851       for (j = 0; j < element_buttons - element_list_size; j++)
5852         editor_elements[pos++] = editor_el_empty[0];
5853     }
5854   }
5855
5856   // (this function is also called before editor gadgets are initialized!)
5857   AdjustElementListScrollbar();
5858 }
5859
5860 void PrintEditorElementList(void)
5861 {
5862   boolean *stop = &setup_editor_el_user_defined;
5863   int i, j;
5864
5865   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
5866   {
5867     int cascade_element = (*editor_elements_info[i].headline_list)[0];
5868
5869     if (IS_EDITOR_CASCADE(cascade_element))
5870     {
5871       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
5872       char *headline = element_info[cascade_element_show].editor_description;
5873
5874       PrintLineWithPrefix("# ", "-", 77);
5875       Print("# %s\n", headline);
5876       PrintLineWithPrefix("# ", "-", 77);
5877     }
5878
5879     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5880     {
5881       int element = (*editor_elements_info[i].headline_list)[j];
5882
5883       if (IS_EDITOR_CASCADE(element))
5884         element = EL_CHAR_MINUS;
5885
5886       Print("# %s\n", element_info[element].token_name);
5887     }
5888
5889     if (j > 0)
5890       Print("#\n");
5891
5892     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5893     {
5894       int element = (*editor_elements_info[i].element_list)[j];
5895
5896       Print("# %s\n", element_info[element].token_name);
5897     }
5898
5899     if (j > 0)
5900       Print("#\n");
5901   }
5902 }
5903
5904 static void ReinitializeElementListButtons(void)
5905 {
5906   static boolean last_setup_value_headlines = FALSE;
5907   static boolean initialization_needed = TRUE;
5908   int i;
5909
5910   if (!initialization_needed)   // check if editor element setup has changed
5911   {
5912     if (last_setup_value_headlines != setup.editor.el_headlines)
5913       initialization_needed = TRUE;
5914
5915     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5916       if (editor_elements_info[i].last_setup_value !=
5917           *editor_elements_info[i].setup_value)
5918         initialization_needed = TRUE;
5919   }
5920
5921   if (!initialization_needed)
5922     return;
5923
5924   FreeLevelEditorGadgets();
5925   CreateLevelEditorGadgets();
5926
5927   // store current setup values for next invocation of this function
5928   last_setup_value_headlines = setup.editor.el_headlines;
5929   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5930     editor_elements_info[i].last_setup_value =
5931       *editor_elements_info[i].setup_value;
5932
5933   initialization_needed = FALSE;
5934 }
5935
5936 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
5937                               boolean input)
5938 {
5939   int border_graphic =
5940     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
5941   struct GraphicInfo *g = &graphic_info[border_graphic];
5942   Bitmap *src_bitmap = g->bitmap;
5943   int src_x = g->src_x;
5944   int src_y = g->src_y;
5945   int border_size = g->border_size;
5946   int border_xpos = g->width  - border_size;
5947   int border_ypos = g->height - border_size;
5948   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
5949   int i;
5950
5951   BlitBitmap(src_bitmap, drawto, src_x, src_y,
5952              border_size, border_size,
5953              dest_x - border_size, dest_y - border_size);
5954   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y,
5955              border_size, border_size,
5956              dest_x + width, dest_y - border_size);
5957   BlitBitmap(src_bitmap, drawto, src_x, src_y + border_ypos,
5958              border_size, border_size,
5959              dest_x - border_size, dest_y + height);
5960   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_ypos,
5961              border_size, border_size,
5962              dest_x + width, dest_y + height);
5963
5964   for (i = 0; i < width / tilesize; i++)
5965   {
5966     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y,
5967                tilesize, border_size,
5968                dest_x + i * tilesize, dest_y - border_size);
5969     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y + border_ypos,
5970                tilesize, border_size,
5971                dest_x + i * tilesize, dest_y + height);
5972   }
5973
5974   for (i = 0; i < height / tilesize; i++)
5975   {
5976     BlitBitmap(src_bitmap, drawto, src_x, src_y + border_size,
5977                border_size, tilesize,
5978                dest_x - border_size, dest_y + i * tilesize);
5979     BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_size,
5980                border_size, tilesize,
5981                dest_x + width, dest_y + i * tilesize);
5982   }
5983
5984   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
5985 }
5986
5987 static void DrawEditorLevelBorderLine(int x, int y, int xsize, int ysize)
5988 {
5989   int xsize_tile = MAX(ed_tilesize, xsize);
5990   int ysize_tile = MAX(ed_tilesize, ysize);
5991   int xsize_full = xsize + 1;
5992   int ysize_full = ysize + 1;
5993   int xsize_thin = (xsize < ed_tilesize ? 1 : xsize);
5994   int ysize_thin = (ysize < ed_tilesize ? 1 : ysize);
5995   Pixel line_color = getTabulatorBarColor();
5996
5997   if (line_color == BLACK_PIXEL)                // black => transparent
5998     return;
5999
6000   FillRectangle(drawto, SX + x, SY + y, xsize_tile, ysize_tile, BLACK_PIXEL);
6001   FillRectangle(drawto, SX + x, SY + y, xsize_full, ysize_full, line_color);
6002   FillRectangle(drawto, SX + x, SY + y, xsize_thin, ysize_thin, BLACK_PIXEL);
6003 }
6004
6005 static void DrawEditorLevelBorderLinesIfNeeded(void)
6006 {
6007   int xsize = lev_fieldx * ed_tilesize;
6008   int ysize = lev_fieldy * ed_tilesize;
6009   int line_size = getTabulatorBarHeight();
6010
6011   if (!suppressBorderElement())
6012     return;
6013
6014   // draw little border line around editable level playfield
6015
6016   if (xsize < SXSIZE)
6017     DrawEditorLevelBorderLine(xsize, 0, line_size, ysize);
6018
6019   if (ysize < SYSIZE)
6020     DrawEditorLevelBorderLine(0, ysize, xsize, line_size);
6021
6022   if (xsize < SXSIZE && ysize < SYSIZE)
6023     DrawEditorLevelBorderLine(xsize, ysize, line_size, line_size);
6024 }
6025
6026 static void DrawEditorElement(int x, int y, int element)
6027 {
6028   DrawSizedElement(x, y, element, ed_tilesize);
6029 }
6030
6031 static void DrawEditorElementThruMask(int x, int y, int element)
6032 {
6033   DrawSizedElementThruMask(x, y, element, ed_tilesize);
6034 }
6035
6036 static void DrawEditorElementOrWall(int x, int y, int scroll_x, int scroll_y)
6037 {
6038   DrawSizedElementOrWall(x, y, scroll_x, scroll_y, ed_tilesize);
6039 }
6040
6041 static void DrawEditorLevel(int size_x, int size_y, int scroll_x, int scroll_y)
6042 {
6043   DrawSizedLevel(size_x, size_y, scroll_x, scroll_y, ed_tilesize);
6044   DrawEditorLevelBorderLinesIfNeeded();
6045 }
6046
6047 static void DrawDrawingArea(int id)
6048 {
6049   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
6050   int x, y;
6051
6052   int *value = drawingarea_info[id].value;
6053   int area_xsize = drawingarea_info[id].area_xsize;
6054   int area_ysize = drawingarea_info[id].area_ysize;
6055   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
6056
6057   for (x = 0; x < area_xsize; x++)
6058     for (y = 0; y < area_ysize; y++)
6059       DrawSizedGraphicExt(drawto,
6060                           gi->x + x * tilesize,
6061                           gi->y + y * tilesize,
6062                           el2edimg(value[x * area_ysize + y]), 0, tilesize);
6063 }
6064
6065 static void ScrollEditorLevel(int from_x, int from_y, int scroll)
6066 {
6067   int x, y;
6068   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
6069   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
6070
6071   BlitBitmap(drawto, drawto,
6072              SX + (dx == -1 ? ed_tilesize : 0),
6073              SY + (dy == -1 ? ed_tilesize : 0),
6074              (ed_fieldx * ed_tilesize) - (dx != 0 ? ed_tilesize : 0),
6075              (ed_fieldy * ed_tilesize) - (dy != 0 ? ed_tilesize : 0),
6076              SX + (dx == +1 ? ed_tilesize : 0),
6077              SY + (dy == +1 ? ed_tilesize : 0));
6078
6079   if (dx)
6080   {
6081     x = (dx == 1 ? 0 : ed_fieldx - 1);
6082     for (y = 0; y < ed_fieldy; y++)
6083       DrawEditorElementOrWall(x, y, from_x, from_y);
6084   }
6085   else if (dy)
6086   {
6087     y = (dy == 1 ? 0 : ed_fieldy - 1);
6088     for (x = 0; x < ed_fieldx; x++)
6089       DrawEditorElementOrWall(x, y, from_x, from_y);
6090   }
6091
6092   redraw_mask |= REDRAW_FIELD;
6093   BackToFront();
6094 }
6095
6096 static void getEditorGraphicSource(int element, int tile_size, Bitmap **bitmap,
6097                                    int *x, int *y)
6098 {
6099   getSizedGraphicSource(el2edimg(element), 0, tile_size, bitmap, x, y);
6100 }
6101
6102 static void CreateControlButtons(void)
6103 {
6104   struct GadgetInfo *gi;
6105   int i;
6106
6107   // create toolbox buttons
6108   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
6109   {
6110     int id = controlbutton_info[i].gadget_id;
6111     int type = controlbutton_info[i].gadget_type;
6112     int graphic = controlbutton_info[i].graphic;
6113     struct XYTileSize *pos = controlbutton_info[i].pos;
6114     struct GraphicInfo *gd = &graphic_info[graphic];
6115     Bitmap *deco_bitmap = NULL;
6116     int deco_x = 0, deco_y = 0, deco_xpos = 0, deco_ypos = 0;
6117     int tile_size = 0, deco_shift = 0;
6118     boolean deco_masked = FALSE;
6119     int gd_x1 = gd->src_x;
6120     int gd_y1 = gd->src_y;
6121     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6122     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6123     int gd_x1a = gd->src_x + gd->active_xoffset;
6124     int gd_y1a = gd->src_y + gd->active_yoffset;
6125     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
6126     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
6127     int x = pos->x;
6128     int y = pos->y;
6129     unsigned int event_mask;
6130     int radio_button_nr = RADIO_NR_NONE;
6131     boolean checked = FALSE;
6132
6133     if (type == GD_TYPE_RADIO_BUTTON)
6134     {
6135       event_mask = GD_EVENT_PRESSED;
6136       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
6137
6138       if (id == drawing_function)
6139         checked = TRUE;
6140     }
6141     else
6142     {
6143       if (id == GADGET_ID_WRAP_LEFT ||
6144           id == GADGET_ID_WRAP_RIGHT ||
6145           id == GADGET_ID_WRAP_UP ||
6146           id == GADGET_ID_WRAP_DOWN)
6147         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6148       else
6149         event_mask = GD_EVENT_RELEASED;
6150     }
6151
6152     if (id == GADGET_ID_PROPERTIES ||
6153         id == GADGET_ID_PALETTE)
6154     {
6155       x += DX;
6156       y += DY;
6157     }
6158     else if (id == GADGET_ID_ELEMENT_LEFT ||
6159              id == GADGET_ID_ELEMENT_MIDDLE ||
6160              id == GADGET_ID_ELEMENT_RIGHT)
6161     {
6162       x += DX;
6163       y += DY;
6164
6165       int element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
6166                      id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
6167                      id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 : EL_EMPTY);
6168
6169       tile_size = BUTTON_TILE_SIZE(id == GADGET_ID_ELEMENT_LEFT ?
6170                                    editor.button.element_left.tile_size :
6171                                    id == GADGET_ID_ELEMENT_MIDDLE ?
6172                                    editor.button.element_middle.tile_size :
6173                                    id == GADGET_ID_ELEMENT_RIGHT ?
6174                                    editor.button.element_right.tile_size : 0);
6175
6176       // make sure that decoration does not overlap gadget border
6177       tile_size = MIN(tile_size, MIN(gd->width, gd->height));
6178
6179       getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x,&deco_y);
6180
6181       deco_xpos = (gd->width  - tile_size) / 2;
6182       deco_ypos = (gd->height - tile_size) / 2;
6183       deco_shift = 1;
6184       deco_masked = gd->draw_masked;
6185     }
6186     else
6187     {
6188       x += EX;
6189       y += EY;
6190     }
6191
6192     gi = CreateGadget(GDI_CUSTOM_ID, id,
6193                       GDI_CUSTOM_TYPE_ID, i,
6194                       GDI_IMAGE_ID, graphic,
6195                       GDI_INFO_TEXT, controlbutton_info[i].infotext,
6196                       GDI_X, x,
6197                       GDI_Y, y,
6198                       GDI_WIDTH, gd->width,
6199                       GDI_HEIGHT, gd->height,
6200                       GDI_TYPE, type,
6201                       GDI_STATE, GD_BUTTON_UNPRESSED,
6202                       GDI_RADIO_NR, radio_button_nr,
6203                       GDI_CHECKED, checked,
6204                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6205                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6206                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6207                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
6208                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
6209                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
6210                       GDI_DECORATION_SIZE, tile_size, tile_size,
6211                       GDI_DECORATION_SHIFTING, deco_shift, deco_shift,
6212                       GDI_DECORATION_MASKED, deco_masked,
6213                       GDI_EVENT_MASK, event_mask,
6214                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6215                       GDI_CALLBACK_ACTION, HandleControlButtons,
6216                       GDI_END);
6217
6218     if (gi == NULL)
6219       Error(ERR_EXIT, "cannot create gadget");
6220
6221     level_editor_gadget[id] = gi;
6222   }
6223
6224   // these values are not constant, but can change at runtime
6225   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
6226   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
6227   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
6228   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
6229   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
6230   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
6231   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
6232   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
6233   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].x    = ED_SCROLL2_UP_XPOS;
6234   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].y    = ED_SCROLL2_UP_YPOS;
6235   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].x  = ED_SCROLL2_DOWN_XPOS;
6236   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].y  = ED_SCROLL2_DOWN_YPOS;
6237
6238   // create buttons for scrolling of drawing area and element list
6239   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
6240   {
6241     int id = scrollbutton_info[i].gadget_id;
6242     int graphic = scrollbutton_info[i].graphic;
6243     struct GraphicInfo *gd = &graphic_info[graphic];
6244     Bitmap *gd_bitmap = gd->bitmap;
6245     int gd_x1 = gd->src_x;
6246     int gd_y1 = gd->src_y;
6247     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6248     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6249     int width  = gd->width;
6250     int height = gd->height;
6251     int x = scrollbutton_pos[i].x;
6252     int y = scrollbutton_pos[i].y;
6253     unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6254
6255     if (id == GADGET_ID_SCROLL_LIST_UP ||
6256         id == GADGET_ID_SCROLL_LIST_DOWN)
6257     {
6258       x += PX;
6259       y += PY;
6260     }
6261     else
6262     {
6263       x += SX;
6264       y += SY;
6265     }
6266
6267     gi = CreateGadget(GDI_CUSTOM_ID, id,
6268                       GDI_CUSTOM_TYPE_ID, i,
6269                       GDI_IMAGE_ID, graphic,
6270                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
6271                       GDI_X, x,
6272                       GDI_Y, y,
6273                       GDI_WIDTH, width,
6274                       GDI_HEIGHT, height,
6275                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6276                       GDI_STATE, GD_BUTTON_UNPRESSED,
6277                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6278                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6279                       GDI_EVENT_MASK, event_mask,
6280                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6281                       GDI_CALLBACK_ACTION, HandleControlButtons,
6282                       GDI_END);
6283
6284     if (gi == NULL)
6285       Error(ERR_EXIT, "cannot create gadget");
6286
6287     level_editor_gadget[id] = gi;
6288   }
6289
6290   // create buttons for element list
6291   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
6292   {
6293     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
6294     int graphic = IMG_EDITOR_PALETTE_BUTTON;
6295     struct GraphicInfo *gd = &graphic_info[graphic];
6296     Bitmap *gd_bitmap = gd->bitmap;
6297     Bitmap *deco_bitmap;
6298     int deco_x, deco_y, deco_xpos, deco_ypos;
6299     int gd_x1 = gd->src_x;
6300     int gd_y1 = gd->src_y;
6301     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6302     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6303     int xx = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
6304     int yy = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
6305     int x = PX + ED_ELEMENTLIST_XPOS + xx * gd->width;
6306     int y = PY + ED_ELEMENTLIST_YPOS + yy * gd->height;
6307     int element = editor_elements[i];
6308     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
6309     unsigned int event_mask = GD_EVENT_RELEASED;
6310
6311     getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
6312
6313     deco_xpos = (gd->width  - tile_size) / 2;
6314     deco_ypos = (gd->height - tile_size) / 2;
6315
6316     gi = CreateGadget(GDI_CUSTOM_ID, id,
6317                       GDI_CUSTOM_TYPE_ID, i,
6318                       GDI_IMAGE_ID, graphic,
6319                       GDI_INFO_TEXT, getElementInfoText(element),
6320                       GDI_X, x,
6321                       GDI_Y, y,
6322                       GDI_WIDTH, gd->width,
6323                       GDI_HEIGHT, gd->height,
6324                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6325                       GDI_STATE, GD_BUTTON_UNPRESSED,
6326                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6327                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6328                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
6329                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
6330                       GDI_DECORATION_SIZE, tile_size, tile_size,
6331                       GDI_DECORATION_SHIFTING, 1, 1,
6332                       GDI_EVENT_MASK, event_mask,
6333                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6334                       GDI_CALLBACK_ACTION, HandleControlButtons,
6335                       GDI_END);
6336
6337     if (gi == NULL)
6338       Error(ERR_EXIT, "cannot create gadget");
6339
6340     level_editor_gadget[id] = gi;
6341   }
6342 }
6343
6344 static void CreateCounterButtons(void)
6345 {
6346   int max_infotext_len = getMaxInfoTextLength();
6347   int i;
6348
6349   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
6350   {
6351     int j;
6352     int x = SX + ED_SETTINGS_X(counterbutton_info[i].x); // down count button
6353     int y = SY + ED_SETTINGS_Y(counterbutton_info[i].y);
6354
6355     // determine horizontal position to the right of specified gadget
6356     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6357       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
6358            ED_GADGET_TEXT_DISTANCE);
6359
6360     // determine horizontal offset for leading text
6361     if (counterbutton_info[i].text_left != NULL)
6362       x += getTextWidthForGadget(counterbutton_info[i].text_left);
6363
6364     for (j = 0; j < 2; j++)
6365     {
6366       struct GadgetInfo *gi;
6367       int id = (j == 0 ?
6368                 counterbutton_info[i].gadget_id_down :
6369                 counterbutton_info[i].gadget_id_up);
6370       int graphic;
6371       struct GraphicInfo *gd;
6372       int gd_x1, gd_x2, gd_y1, gd_y2;
6373       unsigned int event_mask;
6374       char infotext[max_infotext_len + 1];
6375
6376       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6377
6378       if (i == ED_COUNTER_ID_SELECT_LEVEL)
6379       {
6380         graphic = (j == 0 ?
6381                    IMG_GFX_EDITOR_BUTTON_PREV_LEVEL :
6382                    IMG_GFX_EDITOR_BUTTON_NEXT_LEVEL);
6383
6384         event_mask |= GD_EVENT_RELEASED;
6385
6386         if (j == 0)
6387         {
6388           x = DX + editor.button.prev_level.x;
6389           y = DY + editor.button.prev_level.y;
6390         }
6391         else
6392         {
6393           x = DX + editor.button.next_level.x;
6394           y = DY + editor.button.next_level.y;
6395         }
6396       }
6397       else
6398       {
6399         graphic = (j == 0 ?
6400                    IMG_EDITOR_COUNTER_DOWN :
6401                    IMG_EDITOR_COUNTER_UP);
6402       }
6403
6404       gd = &graphic_info[graphic];
6405
6406       gd_x1 = gd->src_x;
6407       gd_y1 = gd->src_y;
6408       gd_x2 = gd->src_x + gd->pressed_xoffset;
6409       gd_y2 = gd->src_y + gd->pressed_yoffset;
6410
6411       sprintf(infotext, "%s counter value by 1, 5 or 10",
6412               (j == 0 ? "decrease" : "increase"));
6413
6414       gi = CreateGadget(GDI_CUSTOM_ID, id,
6415                         GDI_CUSTOM_TYPE_ID, i,
6416                         GDI_IMAGE_ID, graphic,
6417                         GDI_INFO_TEXT, infotext,
6418                         GDI_X, x,
6419                         GDI_Y, y,
6420                         GDI_WIDTH, gd->width,
6421                         GDI_HEIGHT, gd->height,
6422                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6423                         GDI_STATE, GD_BUTTON_UNPRESSED,
6424                         GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6425                         GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6426                         GDI_EVENT_MASK, event_mask,
6427                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6428                         GDI_CALLBACK_ACTION, HandleCounterButtons,
6429                         GDI_END);
6430
6431       if (gi == NULL)
6432         Error(ERR_EXIT, "cannot create gadget");
6433
6434       level_editor_gadget[id] = gi;
6435       right_gadget_border[id] =
6436         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
6437
6438       x += gi->width + ED_GADGET_SMALL_DISTANCE;        // text count button
6439
6440       if (j == 0)
6441       {
6442         int font_type = FONT_INPUT_1;
6443         int font_type_active = FONT_INPUT_1_ACTIVE;
6444
6445         id = counterbutton_info[i].gadget_id_text;
6446
6447         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6448
6449         if (i == ED_COUNTER_ID_SELECT_LEVEL)
6450         {
6451           graphic = IMG_GFX_EDITOR_INPUT_LEVEL_NUMBER;
6452
6453           font_type = FONT_LEVEL_NUMBER;
6454           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
6455
6456           x = DX + editor.input.level_number.x;
6457           y = DY + editor.input.level_number.y;
6458         }
6459         else
6460         {
6461           graphic = IMG_EDITOR_COUNTER_INPUT;
6462         }
6463
6464         gd = &graphic_info[graphic];
6465
6466         gd_x1 = gd->src_x;
6467         gd_y1 = gd->src_y;
6468         gd_x2 = gd->src_x + gd->active_xoffset;
6469         gd_y2 = gd->src_y + gd->active_yoffset;
6470
6471         gi = CreateGadget(GDI_CUSTOM_ID, id,
6472                           GDI_CUSTOM_TYPE_ID, i,
6473                           GDI_IMAGE_ID, graphic,
6474                           GDI_INFO_TEXT, "enter counter value",
6475                           GDI_X, x,
6476                           GDI_Y, y,
6477                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
6478                           GDI_NUMBER_VALUE, 0,
6479                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
6480                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
6481                           GDI_TEXT_SIZE, 3,     // minimal counter text size
6482                           GDI_TEXT_FONT, font_type,
6483                           GDI_TEXT_FONT_ACTIVE, font_type_active,
6484                           GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6485                           GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6486                           GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6487                           GDI_DESIGN_WIDTH, gd->width,
6488                           GDI_EVENT_MASK, event_mask,
6489                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6490                           GDI_CALLBACK_ACTION, HandleCounterButtons,
6491                           GDI_END);
6492
6493         if (gi == NULL)
6494           Error(ERR_EXIT, "cannot create gadget");
6495
6496         level_editor_gadget[id] = gi;
6497         right_gadget_border[id] =
6498           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
6499
6500         x += gi->width + ED_GADGET_SMALL_DISTANCE;      // up count button
6501       }
6502     }
6503   }
6504 }
6505
6506 static void CreateDrawingAreas(void)
6507 {
6508   int i;
6509
6510   // these values are not constant, but can change at runtime
6511   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
6512   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
6513
6514   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
6515   {
6516     struct GadgetInfo *gi;
6517     unsigned int event_mask;
6518     int id = drawingarea_info[i].gadget_id;
6519     int x = SX + ED_AREA_SETTINGS_X(drawingarea_info[i]);
6520     int y = SY + ED_AREA_SETTINGS_Y(drawingarea_info[i]);
6521     int area_xsize = drawingarea_info[i].area_xsize;
6522     int area_ysize = drawingarea_info[i].area_ysize;
6523     int item_size = (id == GADGET_ID_DRAWING_LEVEL ?
6524                      ed_tilesize : ED_DRAWINGAREA_TILE_SIZE);
6525
6526     event_mask =
6527       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
6528       GD_EVENT_OFF_BORDERS | GD_EVENT_PIXEL_PRECISE;
6529
6530     // determine horizontal position to the right of specified gadget
6531     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
6532       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
6533            ED_DRAWINGAREA_TEXT_DISTANCE);
6534
6535     // determine horizontal offset for leading text
6536     if (drawingarea_info[i].text_left != NULL)
6537       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
6538
6539     gi = CreateGadget(GDI_CUSTOM_ID, id,
6540                       GDI_CUSTOM_TYPE_ID, i,
6541                       GDI_X, x,
6542                       GDI_Y, y,
6543                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
6544                       GDI_AREA_SIZE, area_xsize, area_ysize,
6545                       GDI_ITEM_SIZE, item_size, item_size,
6546                       GDI_EVENT_MASK, event_mask,
6547                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
6548                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
6549                       GDI_END);
6550
6551     if (gi == NULL)
6552       Error(ERR_EXIT, "cannot create gadget");
6553
6554     level_editor_gadget[id] = gi;
6555     right_gadget_border[id] =
6556       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
6557   }
6558 }
6559
6560 static void CreateTextInputGadgets(void)
6561 {
6562   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
6563   int max_infotext_len = getMaxInfoTextLength();
6564   int i;
6565
6566   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
6567   {
6568     int gd_x1 = gd->src_x;
6569     int gd_y1 = gd->src_y;
6570     int gd_x2 = gd->src_x + gd->active_xoffset;
6571     int gd_y2 = gd->src_y + gd->active_yoffset;
6572     struct GadgetInfo *gi;
6573     unsigned int event_mask;
6574     char infotext[MAX_OUTPUT_LINESIZE + 1];
6575     int id = textinput_info[i].gadget_id;
6576     int x, y;
6577
6578     if (i == ED_TEXTINPUT_ID_ELEMENT_NAME)
6579     {
6580       int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
6581       int border_size = gd->border_size;
6582       int font_nr = FONT_INPUT_1;
6583       int font_height = getFontHeight(font_nr);
6584       int xoffset = element_border + TILEX + element_border + 3 * border_size;
6585       int yoffset = element_border + (TILEY - font_height) / 2;
6586
6587       x = (editor.settings.element_name.x != -1 ?
6588            editor.settings.element_name.x :
6589            editor.settings.element_graphic.x + xoffset) - border_size;
6590       y = (editor.settings.element_name.y != -1 ?
6591            editor.settings.element_name.y :
6592            editor.settings.element_graphic.y + yoffset) - border_size;
6593     }
6594     else
6595     {
6596       x = ED_SETTINGS_X(textinput_info[i].x);
6597       y = ED_SETTINGS_Y(textinput_info[i].y);
6598     }
6599
6600     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6601
6602     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
6603     infotext[max_infotext_len] = '\0';
6604
6605     gi = CreateGadget(GDI_CUSTOM_ID, id,
6606                       GDI_CUSTOM_TYPE_ID, i,
6607                       GDI_INFO_TEXT, infotext,
6608                       GDI_X, SX + x,
6609                       GDI_Y, SY + y,
6610                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
6611                       GDI_TEXT_VALUE, textinput_info[i].value,
6612                       GDI_TEXT_SIZE, textinput_info[i].size,
6613                       GDI_TEXT_FONT, FONT_INPUT_1,
6614                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6615                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6616                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6617                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6618                       GDI_DESIGN_WIDTH, gd->width,
6619                       GDI_EVENT_MASK, event_mask,
6620                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6621                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
6622                       GDI_END);
6623
6624     if (gi == NULL)
6625       Error(ERR_EXIT, "cannot create gadget");
6626
6627     level_editor_gadget[id] = gi;
6628   }
6629 }
6630
6631 static void CreateTextAreaGadgets(void)
6632 {
6633   int max_infotext_len = getMaxInfoTextLength();
6634   int i;
6635
6636   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
6637   {
6638     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXTAREA];
6639     int gd_x1 = gd->src_x;
6640     int gd_y1 = gd->src_y;
6641     int gd_x2 = gd->src_x + gd->active_xoffset;
6642     int gd_y2 = gd->src_y + gd->active_yoffset;
6643     struct GadgetInfo *gi;
6644     unsigned int event_mask;
6645     char infotext[MAX_OUTPUT_LINESIZE + 1];
6646     int id = textarea_info[i].gadget_id;
6647     int area_xsize = textarea_info[i].xsize;
6648     int area_ysize = textarea_info[i].ysize;
6649
6650     event_mask = GD_EVENT_TEXT_LEAVING;
6651
6652     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
6653     infotext[max_infotext_len] = '\0';
6654
6655     gi = CreateGadget(GDI_CUSTOM_ID, id,
6656                       GDI_CUSTOM_TYPE_ID, i,
6657                       GDI_INFO_TEXT, infotext,
6658                       GDI_X, SX + ED_SETTINGS_X(textarea_info[i].x),
6659                       GDI_Y, SY + ED_SETTINGS_Y(textarea_info[i].y),
6660                       GDI_TYPE, GD_TYPE_TEXT_AREA,
6661                       GDI_AREA_SIZE, area_xsize, area_ysize,
6662                       GDI_TEXT_FONT, FONT_INPUT_1,
6663                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6664                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6665                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6666                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6667                       GDI_DESIGN_WIDTH, gd->width,
6668                       GDI_EVENT_MASK, event_mask,
6669                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6670                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
6671                       GDI_END);
6672
6673     if (gi == NULL)
6674       Error(ERR_EXIT, "cannot create gadget");
6675
6676     level_editor_gadget[id] = gi;
6677   }
6678 }
6679
6680 static void CreateSelectboxGadgets(void)
6681 {
6682   int max_infotext_len = getMaxInfoTextLength();
6683   int i, j;
6684
6685   for (i = 0; i < ED_NUM_SELECTBOX; i++)
6686   {
6687     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_SELECTBOX_INPUT];
6688     struct GraphicInfo *gd2 = &graphic_info[IMG_EDITOR_SELECTBOX_BUTTON];
6689     int gd_x1 = gd->src_x;
6690     int gd_y1 = gd->src_y;
6691     int gd_x2 = gd->src_x + gd->active_xoffset;
6692     int gd_y2 = gd->src_y + gd->active_yoffset;
6693     int selectbox_button_xsize = gd2->width;
6694     struct GadgetInfo *gi;
6695     unsigned int event_mask;
6696     char infotext[MAX_OUTPUT_LINESIZE + 1];
6697     int id = selectbox_info[i].gadget_id;
6698     int x = SX + ED_SETTINGS_X(selectbox_info[i].x);
6699     int y = SY + ED_SETTINGS_Y(selectbox_info[i].y);
6700
6701     if (selectbox_info[i].size == -1)   // dynamically determine size
6702     {
6703       // (we cannot use -1 for uninitialized values if we directly compare
6704       // with results from strlen(), because the '<' and '>' operation will
6705       // implicitely cast -1 to an unsigned integer value!)
6706       selectbox_info[i].size = 0;
6707
6708       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
6709         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
6710           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
6711
6712       selectbox_info[i].size++;         // add one character empty space
6713     }
6714
6715     event_mask = GD_EVENT_RELEASED |
6716       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6717
6718     // determine horizontal position to the right of specified gadget
6719     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
6720       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
6721            ED_GADGET_TEXT_DISTANCE);
6722
6723     // determine horizontal offset for leading text
6724     if (selectbox_info[i].text_left != NULL)
6725       x += getTextWidthForGadget(selectbox_info[i].text_left);
6726
6727     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
6728     infotext[max_infotext_len] = '\0';
6729
6730     gi = CreateGadget(GDI_CUSTOM_ID, id,
6731                       GDI_CUSTOM_TYPE_ID, i,
6732                       GDI_INFO_TEXT, infotext,
6733                       GDI_X, x,
6734                       GDI_Y, y,
6735                       GDI_TYPE, GD_TYPE_SELECTBOX,
6736                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
6737                       GDI_SELECTBOX_CHAR_UNSELECTABLE, '[',
6738                       GDI_TEXT_SIZE, selectbox_info[i].size,
6739                       GDI_TEXT_FONT, FONT_INPUT_1,
6740                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6741                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
6742                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6743                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6744                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6745                       GDI_BORDER_SIZE_SELECTBUTTON, selectbox_button_xsize,
6746                       GDI_DESIGN_WIDTH, gd->width,
6747                       GDI_EVENT_MASK, event_mask,
6748                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6749                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
6750                       GDI_END);
6751
6752     if (gi == NULL)
6753       Error(ERR_EXIT, "cannot create gadget");
6754
6755     level_editor_gadget[id] = gi;
6756     right_gadget_border[id] =
6757       getRightGadgetBorder(gi, selectbox_info[i].text_right);
6758   }
6759 }
6760
6761 static void CreateTextbuttonGadgets(void)
6762 {
6763   int max_infotext_len = getMaxInfoTextLength();
6764   int i;
6765
6766   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
6767   {
6768     int id = textbutton_info[i].gadget_id;
6769     int is_tab_button =
6770       ((id >= GADGET_ID_LEVELINFO_LEVEL && id <= GADGET_ID_LEVELINFO_EDITOR) ||
6771        (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE));
6772     int graphic =
6773       (is_tab_button ? IMG_EDITOR_TABBUTTON : IMG_EDITOR_TEXTBUTTON);
6774     int gadget_distance =
6775       (is_tab_button ? ED_GADGET_SMALL_DISTANCE : ED_GADGET_TEXT_DISTANCE);
6776     struct GraphicInfo *gd = &graphic_info[graphic];
6777     int gd_x1 = gd->src_x;
6778     int gd_y1 = gd->src_y;
6779     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6780     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6781     int gd_x1a = gd->src_x + gd->active_xoffset;
6782     int gd_y1a = gd->src_y + gd->active_yoffset;
6783     int border_xsize = gd->border_size + gd->draw_xoffset;
6784     int border_ysize = gd->border_size;
6785     struct GadgetInfo *gi;
6786     unsigned int event_mask;
6787     char infotext[MAX_OUTPUT_LINESIZE + 1];
6788     int x = SX + ED_SETTINGS_X(textbutton_info[i].x);
6789     int y = SY + ED_SETTINGS_Y(textbutton_info[i].y);
6790
6791     if (textbutton_info[i].size == -1)  // dynamically determine size
6792       textbutton_info[i].size = strlen(textbutton_info[i].text);
6793
6794     event_mask = GD_EVENT_RELEASED;
6795
6796     sprintf(infotext, "%s", textbutton_info[i].infotext);
6797     infotext[max_infotext_len] = '\0';
6798
6799     // determine horizontal position to the right of specified gadget
6800     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6801     {
6802       int gadget_id_align = textbutton_info[i].gadget_id_align;
6803
6804       x = right_gadget_border[gadget_id_align] + gadget_distance;
6805
6806       if (textbutton_info[i].y == -1)
6807         y = level_editor_gadget[gadget_id_align]->y;
6808     }
6809
6810     // determine horizontal offset for leading text
6811     if (textbutton_info[i].text_left != NULL)
6812       x += getTextWidthForGadget(textbutton_info[i].text_left);
6813
6814     gi = CreateGadget(GDI_CUSTOM_ID, id,
6815                       GDI_CUSTOM_TYPE_ID, i,
6816                       GDI_IMAGE_ID, graphic,
6817                       GDI_INFO_TEXT, infotext,
6818                       GDI_X, x,
6819                       GDI_Y, y,
6820                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
6821                       GDI_TEXT_VALUE, textbutton_info[i].text,
6822                       GDI_TEXT_SIZE, textbutton_info[i].size,
6823                       GDI_TEXT_FONT, FONT_INPUT_2,
6824                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2_ACTIVE,
6825                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6826                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6827                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6828                       GDI_BORDER_SIZE, border_xsize, border_ysize,
6829                       GDI_DESIGN_WIDTH, gd->width,
6830                       GDI_DECORATION_SHIFTING, 1, 1,
6831                       GDI_EVENT_MASK, event_mask,
6832                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6833                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
6834                       GDI_END);
6835
6836     if (gi == NULL)
6837       Error(ERR_EXIT, "cannot create gadget");
6838
6839     level_editor_gadget[id] = gi;
6840     right_gadget_border[id] =
6841       getRightGadgetBorder(gi, textbutton_info[i].text_right);
6842   }
6843 }
6844
6845 static void CreateGraphicbuttonGadgets(void)
6846 {
6847   struct GadgetInfo *gi;
6848   unsigned int event_mask;
6849   int i;
6850
6851   // create buttons for scrolling of drawing area and element list
6852   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
6853   {
6854     int id = graphicbutton_info[i].gadget_id;
6855     int x = SX + ED_SETTINGS_X(graphicbutton_info[i].x);
6856     int y = SY + ED_SETTINGS_Y(graphicbutton_info[i].y);
6857     int graphic = graphicbutton_info[i].graphic;
6858     struct GraphicInfo *gd = &graphic_info[graphic];
6859     int gd_x1 = gd->src_x;
6860     int gd_y1 = gd->src_y;
6861     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6862     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6863
6864     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6865
6866     // determine horizontal position to the right of specified gadget
6867     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6868       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
6869            ED_GADGET_TEXT_DISTANCE);
6870
6871     // determine horizontal offset for leading text
6872     if (graphicbutton_info[i].text_left != NULL)
6873       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
6874
6875     gi = CreateGadget(GDI_CUSTOM_ID, id,
6876                       GDI_CUSTOM_TYPE_ID, i,
6877                       GDI_IMAGE_ID, graphic,
6878                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
6879                       GDI_X, x,
6880                       GDI_Y, y,
6881                       GDI_WIDTH, gd->width,
6882                       GDI_HEIGHT, gd->height,
6883                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6884                       GDI_STATE, GD_BUTTON_UNPRESSED,
6885                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6886                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6887                       GDI_EVENT_MASK, event_mask,
6888                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6889                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
6890                       GDI_END);
6891
6892     if (gi == NULL)
6893       Error(ERR_EXIT, "cannot create gadget");
6894
6895     level_editor_gadget[id] = gi;
6896     right_gadget_border[id] =
6897       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
6898   }
6899 }
6900
6901 static void CreateScrollbarGadgets(void)
6902 {
6903   int i;
6904
6905   // these values are not constant, but can change at runtime
6906   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
6907     SX + ED_SCROLL_HORIZONTAL_XPOS;
6908   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
6909     SY + ED_SCROLL_HORIZONTAL_YPOS;
6910   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
6911     ED_SCROLL_HORIZONTAL_XSIZE;
6912   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
6913     ED_SCROLL_HORIZONTAL_YSIZE;
6914   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
6915   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
6916   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
6917   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
6918
6919   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
6920     SX + ED_SCROLL_VERTICAL_XPOS;
6921   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
6922     SY + ED_SCROLL_VERTICAL_YPOS;
6923   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
6924     ED_SCROLL_VERTICAL_XSIZE;
6925   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
6926     ED_SCROLL_VERTICAL_YSIZE;
6927   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
6928   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
6929   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
6930   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
6931
6932   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
6933     PX + ED_SCROLL2_VERTICAL_XPOS;
6934   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
6935     PY + ED_SCROLL2_VERTICAL_YPOS;
6936   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
6937     ED_SCROLL2_VERTICAL_XSIZE;
6938   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
6939     ED_SCROLL2_VERTICAL_YSIZE;
6940   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = PX;
6941   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = PY;
6942   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = PXSIZE;
6943   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = PYSIZE;
6944
6945   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
6946   {
6947     int id = scrollbar_info[i].gadget_id;
6948     int graphic = scrollbar_info[i].graphic;
6949     struct GraphicInfo *gd = &graphic_info[graphic];
6950     int gd_x1 = gd->src_x;
6951     int gd_y1 = gd->src_y;
6952     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6953     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6954     struct GadgetInfo *gi;
6955     int items_max, items_visible, item_position;
6956     unsigned int event_mask;
6957
6958     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
6959     {
6960       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
6961       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
6962       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
6963     }
6964     else        // drawing area scrollbars
6965     {
6966       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
6967       {
6968         items_max = MAX(lev_fieldx + 2, ed_fieldx);
6969         items_visible = ed_fieldx;
6970         item_position = 0;
6971       }
6972       else
6973       {
6974         items_max = MAX(lev_fieldy + 2, ed_fieldy);
6975         items_visible = ed_fieldy;
6976         item_position = 0;
6977       }
6978     }
6979
6980     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
6981
6982     gi = CreateGadget(GDI_CUSTOM_ID, id,
6983                       GDI_CUSTOM_TYPE_ID, i,
6984                       GDI_IMAGE_ID, graphic,
6985                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
6986                       GDI_X, scrollbar_pos[i].x,
6987                       GDI_Y, scrollbar_pos[i].y,
6988                       GDI_WIDTH, scrollbar_pos[i].width,
6989                       GDI_HEIGHT, scrollbar_pos[i].height,
6990                       GDI_TYPE, scrollbar_info[i].type,
6991                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
6992                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
6993                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
6994                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
6995                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
6996                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
6997                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
6998                       GDI_STATE, GD_BUTTON_UNPRESSED,
6999                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7000                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7001                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7002                       GDI_EVENT_MASK, event_mask,
7003                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7004                       GDI_CALLBACK_ACTION, HandleControlButtons,
7005                       GDI_END);
7006
7007     if (gi == NULL)
7008       Error(ERR_EXIT, "cannot create gadget");
7009
7010     level_editor_gadget[id] = gi;
7011   }
7012 }
7013
7014 static void CreateCheckbuttonGadgets(void)
7015 {
7016   struct GadgetInfo *gi;
7017   unsigned int event_mask;
7018   int i;
7019
7020   event_mask = GD_EVENT_PRESSED;
7021
7022   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
7023   {
7024     int id = checkbutton_info[i].gadget_id;
7025     int graphic = (id == GADGET_ID_STICK_ELEMENT ? IMG_EDITOR_STICKYBUTTON :
7026                    IMG_EDITOR_CHECKBOX);
7027     struct GraphicInfo *gd = &graphic_info[graphic];
7028     int gd_x1 = gd->src_x;
7029     int gd_y1 = gd->src_y;
7030     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7031     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7032     int gd_x1a = gd->src_x + gd->active_xoffset;
7033     int gd_y1a = gd->src_y + gd->active_yoffset;
7034     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
7035     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
7036     int x = SX + ED_SETTINGS_X(checkbutton_info[i].x);
7037     int y = SY + ED_SETTINGS_Y(checkbutton_info[i].y);
7038
7039     // determine horizontal position to the right of specified gadget
7040     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
7041       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
7042            ED_GADGET_TEXT_DISTANCE);
7043
7044     // determine horizontal offset for leading text
7045     if (checkbutton_info[i].text_left != NULL)
7046       x += getTextWidthForGadget(checkbutton_info[i].text_left);
7047
7048     gi = CreateGadget(GDI_CUSTOM_ID, id,
7049                       GDI_CUSTOM_TYPE_ID, i,
7050                       GDI_IMAGE_ID, graphic,
7051                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
7052                       GDI_X, x,
7053                       GDI_Y, y,
7054                       GDI_WIDTH, gd->width,
7055                       GDI_HEIGHT, gd->height,
7056                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
7057                       GDI_CHECKED, *checkbutton_info[i].value,
7058                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7059                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7060                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7061                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
7062                       GDI_EVENT_MASK, event_mask,
7063                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7064                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
7065                       GDI_END);
7066
7067     if (gi == NULL)
7068       Error(ERR_EXIT, "cannot create gadget");
7069
7070     level_editor_gadget[id] = gi;
7071     right_gadget_border[id] =
7072       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
7073   }
7074 }
7075
7076 static void CreateRadiobuttonGadgets(void)
7077 {
7078   int graphic = IMG_EDITOR_RADIOBUTTON;
7079   struct GraphicInfo *gd = &graphic_info[graphic];
7080   int gd_x1 = gd->src_x;
7081   int gd_y1 = gd->src_y;
7082   int gd_x2 = gd->src_x + gd->pressed_xoffset;
7083   int gd_y2 = gd->src_y + gd->pressed_yoffset;
7084   int gd_x1a = gd->src_x + gd->active_xoffset;
7085   int gd_y1a = gd->src_y + gd->active_yoffset;
7086   int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
7087   int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
7088   struct GadgetInfo *gi;
7089   unsigned int event_mask;
7090   int i;
7091
7092   event_mask = GD_EVENT_PRESSED;
7093
7094   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
7095   {
7096     int id = radiobutton_info[i].gadget_id;
7097     int x = SX + ED_SETTINGS_X(radiobutton_info[i].x);
7098     int y = SY + ED_SETTINGS_Y(radiobutton_info[i].y);
7099
7100     int checked =
7101       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
7102
7103     // determine horizontal position to the right of specified gadget
7104     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
7105       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
7106            ED_GADGET_TEXT_DISTANCE);
7107
7108     // determine horizontal offset for leading text
7109     if (radiobutton_info[i].text_left != NULL)
7110       x += getTextWidthForGadget(radiobutton_info[i].text_left);
7111
7112     gi = CreateGadget(GDI_CUSTOM_ID, id,
7113                       GDI_CUSTOM_TYPE_ID, i,
7114                       GDI_IMAGE_ID, graphic,
7115                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
7116                       GDI_X, x,
7117                       GDI_Y, y,
7118                       GDI_WIDTH, gd->width,
7119                       GDI_HEIGHT, gd->height,
7120                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
7121                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
7122                       GDI_CHECKED, checked,
7123                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7124                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7125                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7126                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
7127                       GDI_EVENT_MASK, event_mask,
7128                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7129                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
7130                       GDI_END);
7131
7132     if (gi == NULL)
7133       Error(ERR_EXIT, "cannot create gadget");
7134
7135     level_editor_gadget[id] = gi;
7136     right_gadget_border[id] =
7137       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
7138   }
7139 }
7140
7141 void CreateLevelEditorGadgets(void)
7142 {
7143   // force EDITOR font inside level editor
7144   SetFontStatus(GAME_MODE_EDITOR);
7145
7146   // these values are not constant, but can change at runtime
7147   ed_fieldx = MAX_ED_FIELDX - 1;
7148   ed_fieldy = MAX_ED_FIELDY - 1;
7149
7150   num_editor_gadgets = NUM_EDITOR_GADGETS;
7151
7152   // printf("::: allocating %d gadgets ...\n", num_editor_gadgets);
7153
7154   level_editor_gadget =
7155     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
7156   right_gadget_border =
7157     checked_calloc(num_editor_gadgets * sizeof(int));
7158
7159   // set number of empty (padding) element buttons to maximum number of buttons
7160   num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS;
7161
7162   editor_el_empty = checked_calloc(num_editor_el_empty * sizeof(int));
7163   editor_el_empty_ptr = editor_el_empty;
7164
7165   use_permanent_palette = !editor.palette.show_as_separate_screen;
7166
7167   ReinitializeElementList();
7168
7169   CreateControlButtons();
7170   CreateScrollbarGadgets();
7171
7172   // order of function calls is important because of cross-references
7173   CreateCheckbuttonGadgets();
7174   CreateCounterButtons();
7175   CreateRadiobuttonGadgets();
7176   CreateTextInputGadgets();
7177   CreateTextAreaGadgets();
7178   CreateSelectboxGadgets();
7179   CreateGraphicbuttonGadgets();
7180   CreateTextbuttonGadgets();
7181   CreateDrawingAreas();
7182
7183   ResetFontStatus();
7184 }
7185
7186 void FreeLevelEditorGadgets(void)
7187 {
7188   int i;
7189
7190   // printf("::: freeing %d gadgets ...\n", num_editor_gadgets);
7191
7192   for (i = 0; i < num_editor_gadgets; i++)
7193   {
7194     FreeGadget(level_editor_gadget[i]);
7195
7196     level_editor_gadget[i] = NULL;
7197   }
7198
7199   checked_free(level_editor_gadget);
7200   checked_free(right_gadget_border);
7201
7202   checked_free(editor_el_empty);
7203 }
7204
7205 static void MapCounterButtons(int id)
7206 {
7207   int font_nr = FONT_TEXT_1;
7208   int font_height = getFontHeight(font_nr);
7209   int gadget_id_down = counterbutton_info[id].gadget_id_down;
7210   int gadget_id_text = counterbutton_info[id].gadget_id_text;
7211   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
7212   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
7213   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
7214   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
7215   int xoffset_left = getTextWidthForGadget(counterbutton_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_down->height - font_height) / 2;
7219   int x_left = gi_down->x - xoffset_left;
7220   int x_right;  // set after gadget position was modified
7221   int y_above = gi_down->y - yoffset_above;
7222   int x = gi_down->x;
7223   int y;        // set after gadget position was modified
7224
7225   // counter limits must be changed first to prevent value truncation
7226   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
7227                             counterbutton_info[id].max_value);
7228
7229   // right text position might have changed after setting position above
7230   x_right = gi_up->x + gi_up->width + xoffset_right;
7231
7232   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
7233
7234   // set position for "value[1,2,3,4]" counter gadgets (score in most cases)
7235   if (id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
7236       id <= ED_COUNTER_ID_ELEMENT_VALUE4)
7237   {
7238     ModifyGadget(gi_down, GDI_Y,
7239                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7240     ModifyGadget(gi_text, GDI_Y,
7241                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7242     ModifyGadget(gi_up,   GDI_Y,
7243                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7244   }
7245
7246   // vertical position might have changed after setting position above
7247   y = gi_up->y + yoffset;
7248
7249   if (counterbutton_info[id].text_above)
7250     DrawText(x, y_above, counterbutton_info[id].text_above, font_nr);
7251
7252   if (counterbutton_info[id].text_left)
7253     DrawText(x_left, y, counterbutton_info[id].text_left, font_nr);
7254
7255   if (counterbutton_info[id].text_right)
7256     DrawText(x_right, y, counterbutton_info[id].text_right, font_nr);
7257
7258   MapGadget(gi_down);
7259   MapGadget(gi_text);
7260   MapGadget(gi_up);
7261 }
7262
7263 static void MapControlButtons(void)
7264 {
7265   int counter_id;
7266   int i;
7267
7268   // map toolbox buttons (excluding special CE toolbox buttons)
7269   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
7270     MapGadget(level_editor_gadget[i]);
7271
7272   // map toolbox buttons (element properties buttons)
7273   for (i = ED_NUM_CTRL1_4_BUTTONS; i < ED_NUM_CTRL1_7_BUTTONS; i++)
7274     MapGadget(level_editor_gadget[i]);
7275
7276   if (use_permanent_palette)
7277   {
7278     // map buttons to select elements
7279     for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7280       MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
7281     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
7282     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
7283     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
7284   }
7285
7286   // map buttons to select level
7287   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
7288   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
7289   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
7290   MapCounterButtons(counter_id);
7291 }
7292
7293 static void MapDrawingArea(int id)
7294 {
7295   int font_nr = FONT_TEXT_1;
7296   int font_height = getFontHeight(font_nr);
7297   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7298   int area_xsize = gi->drawing.area_xsize;
7299   int area_ysize = gi->drawing.area_ysize;
7300   int xoffset_left = getTextWidthForDrawingArea(drawingarea_info[id].text_left);
7301   int xoffset_below = getTextWidth(drawingarea_info[id].text_below, font_nr);
7302   int x_left  = gi->x - xoffset_left;
7303   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
7304   int x_above = gi->x - ED_DRAWINGAREA_BORDER_SIZE;
7305   int x_below = gi->x + (gi->width - xoffset_below) / 2;
7306   int y_side  = gi->y + (gi->height - font_height) / 2;
7307   int y_above = gi->y - font_height - ED_DRAWINGAREA_TEXT_DISTANCE;
7308   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
7309
7310   if (drawingarea_info[id].text_left)
7311     DrawText(x_left, y_side, drawingarea_info[id].text_left, font_nr);
7312
7313   if (drawingarea_info[id].text_right)
7314     DrawText(x_right, y_side, drawingarea_info[id].text_right, font_nr);
7315
7316   if (drawingarea_info[id].text_above)
7317     DrawText(x_above, y_above, drawingarea_info[id].text_above, font_nr);
7318
7319   if (drawingarea_info[id].text_below)
7320     DrawText(x_below, y_below, drawingarea_info[id].text_below, font_nr);
7321
7322   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
7323   {
7324     DrawElementBorder(gi->x, gi->y,
7325                       area_xsize * ED_DRAWINGAREA_TILE_SIZE,
7326                       area_ysize * ED_DRAWINGAREA_TILE_SIZE, TRUE);
7327
7328     DrawDrawingArea(id);
7329   }
7330
7331   MapGadget(gi);
7332 }
7333
7334 static void MapTextInputGadget(int id)
7335 {
7336   int font_nr = FONT_TEXT_1;
7337   int font_height = getFontHeight(font_nr);
7338   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
7339   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7340   int x_above = ED_SETTINGS_X(textinput_info[id].x);
7341   int y_above = ED_SETTINGS_Y(textinput_info[id].y) - yoffset_above;
7342
7343   if (textinput_info[id].text_above)
7344     DrawTextS(x_above, y_above, font_nr, textinput_info[id].text_above);
7345
7346   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
7347
7348   MapGadget(gi);
7349 }
7350
7351 static void MapTextAreaGadget(int id)
7352 {
7353   int font_nr = FONT_TEXT_1;
7354   int font_height = getFontHeight(font_nr);
7355   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
7356   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7357   int x_above = ED_SETTINGS_X(textarea_info[id].x);
7358   int y_above = ED_SETTINGS_Y(textarea_info[id].y) - yoffset_above;
7359
7360   if (textarea_info[id].text_above)
7361     DrawTextS(x_above, y_above, font_nr, textarea_info[id].text_above);
7362
7363   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
7364
7365   MapGadget(gi);
7366 }
7367
7368 static void MapSelectboxGadget(int id)
7369 {
7370   int font_nr = FONT_TEXT_1;
7371   int font_height = getFontHeight(font_nr);
7372   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
7373   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
7374   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7375   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7376   int yoffset = (gi->height - font_height) / 2;
7377   int x_left = gi->x - xoffset_left;
7378   int x_right = gi->x + gi->width + xoffset_right;
7379   int y_above = gi->y - yoffset_above;
7380   int x = gi->x;
7381   int y = gi->y + yoffset;
7382
7383   if (selectbox_info[id].text_above)
7384     DrawText(x, y_above, selectbox_info[id].text_above, font_nr);
7385
7386   if (selectbox_info[id].text_left)
7387     DrawText(x_left, y, selectbox_info[id].text_left, font_nr);
7388
7389   if (selectbox_info[id].text_right)
7390     DrawText(x_right, y, selectbox_info[id].text_right, font_nr);
7391
7392   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
7393
7394   MapGadget(gi);
7395 }
7396
7397 static void MapTextbuttonGadget(int id)
7398 {
7399   int font_nr = FONT_TEXT_1;
7400   int font_height = getFontHeight(font_nr);
7401   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
7402   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
7403   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7404   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7405   int yoffset = (gi->height - font_height) / 2;
7406   int x_left = gi->x - xoffset_left;
7407   int x_right = gi->x + gi->width + xoffset_right;
7408   int y_above = gi->y - yoffset_above;
7409   int x = gi->x;
7410   int y = gi->y + yoffset;
7411
7412   // only show button to delete change pages when more than minimum pages
7413   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
7414       custom_element.num_change_pages == MIN_CHANGE_PAGES)
7415     return;
7416
7417   if (textbutton_info[id].text_above)
7418     DrawText(x, y_above, textbutton_info[id].text_above, font_nr);
7419
7420   if (textbutton_info[id].text_left)
7421     DrawText(x_left, y, textbutton_info[id].text_left, font_nr);
7422
7423   if (textbutton_info[id].text_right)
7424     DrawText(x_right, y, textbutton_info[id].text_right, font_nr);
7425
7426   MapGadget(gi);
7427 }
7428
7429 static void MapGraphicbuttonGadget(int id)
7430 {
7431   int font_nr = FONT_TEXT_1;
7432   int font_height = getFontHeight(font_nr);
7433   struct GadgetInfo *gi= level_editor_gadget[graphicbutton_info[id].gadget_id];
7434   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
7435   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7436   int yoffset = (gi->height - font_height) / 2;
7437   int x_left = gi->x - xoffset_left;
7438   int x_right = gi->x + gi->width + xoffset_right;
7439   int y = gi->y + yoffset;
7440
7441   if (graphicbutton_info[id].text_left)
7442     DrawText(x_left, y, graphicbutton_info[id].text_left, font_nr);
7443
7444   if (graphicbutton_info[id].text_right)
7445     DrawText(x_right, y, graphicbutton_info[id].text_right, font_nr);
7446
7447   MapGadget(gi);
7448 }
7449
7450 static void MapRadiobuttonGadget(int id)
7451 {
7452   int font_nr = FONT_TEXT_1;
7453   int font_height = getFontHeight(font_nr);
7454   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
7455   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
7456   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7457   int yoffset = (gi->height - font_height) / 2;
7458   int x_left = gi->x - xoffset_left;
7459   int x_right = gi->x + gi->width + xoffset_right;
7460   int y = gi->y + yoffset;
7461   boolean checked =
7462     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
7463
7464   if (radiobutton_info[id].text_left)
7465     DrawText(x_left, y, radiobutton_info[id].text_left, font_nr);
7466
7467   if (radiobutton_info[id].text_right)
7468     DrawText(x_right, y, radiobutton_info[id].text_right, font_nr);
7469
7470   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
7471
7472   MapGadget(gi);
7473 }
7474
7475 static void MapCheckbuttonGadget(int id)
7476 {
7477   int font_nr = FONT_TEXT_1;
7478   int font_height = getFontHeight(font_nr);
7479   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
7480   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
7481   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7482   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7483   int yoffset = (gi->height - font_height) / 2;
7484   int y_above = gi->y - yoffset_above;
7485   int x = gi->x;
7486   int x_left, x_right, y;       // set after gadget position was modified
7487
7488   // set position for gadgets with dynamically determined position
7489   if (checkbutton_info[id].x != -1)     // do not change dynamic positions
7490     ModifyGadget(gi, GDI_X, SX + ED_SETTINGS_X(checkbutton_info[id].x),GDI_END);
7491   ModifyGadget(gi, GDI_Y, SY + ED_SETTINGS_Y(checkbutton_info[id].y), GDI_END);
7492
7493   x_left = gi->x - xoffset_left;
7494   x_right = gi->x + gi->width + xoffset_right;
7495   y = gi->y + yoffset;
7496
7497   if (checkbutton_info[id].text_above)
7498     DrawText(x, y_above, checkbutton_info[id].text_above, font_nr);
7499
7500   if (checkbutton_info[id].text_left)
7501     DrawText(x_left, y, checkbutton_info[id].text_left, font_nr);
7502
7503   if (checkbutton_info[id].text_right)
7504     DrawText(x_right, y, checkbutton_info[id].text_right, font_nr);
7505
7506   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
7507
7508   MapGadget(gi);
7509 }
7510
7511 static void MapMainDrawingArea(void)
7512 {
7513   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
7514   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
7515   int i;
7516
7517   if (suppressBorderElement())
7518   {
7519     no_horizontal_scrollbar = (lev_fieldx <= ed_fieldx);
7520     no_vertical_scrollbar   = (lev_fieldy <= ed_fieldy);
7521   }
7522
7523   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
7524   {
7525     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
7526           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
7527          no_horizontal_scrollbar) ||
7528         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
7529           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
7530          no_vertical_scrollbar))
7531       continue;
7532
7533     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
7534   }
7535
7536   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
7537   {
7538     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
7539         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
7540       continue;
7541
7542     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
7543   }
7544
7545   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
7546 }
7547
7548 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
7549 {
7550   int i;
7551
7552   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
7553   {
7554     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
7555         i == GADGET_ID_CUSTOM_COPY_TO ||
7556         i == GADGET_ID_CUSTOM_EXCHANGE ||
7557         i == GADGET_ID_CUSTOM_COPY ||
7558         i == GADGET_ID_CUSTOM_PASTE)
7559     {
7560       if (map)
7561         MapGadget(level_editor_gadget[i]);
7562       else
7563         UnmapGadget(level_editor_gadget[i]);
7564     }
7565   }
7566 }
7567
7568 static void MapLevelEditorToolboxCustomGadgets(void)
7569 {
7570   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
7571 }
7572
7573 static void UnmapLevelEditorToolboxCustomGadgets(void)
7574 {
7575   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
7576 }
7577
7578 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
7579 {
7580   int i;
7581
7582   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
7583   {
7584     if (i != GADGET_ID_SINGLE_ITEMS &&
7585         i != GADGET_ID_PICK_ELEMENT)
7586     {
7587       struct GadgetInfo *gi = level_editor_gadget[i];
7588
7589       if (map)
7590       {
7591         MapGadget(gi);
7592       }
7593       else
7594       {
7595         int graphic = IMG_EDITOR_NO_TOOLBOX_BUTTON;
7596         struct GraphicInfo *gd = &graphic_info[graphic];
7597
7598         UnmapGadget(gi);
7599
7600         BlitBitmap(gd->bitmap, drawto, gd->src_x, gd->src_y,
7601                    gi->width, gi->height, gi->x, gi->y);
7602
7603         redraw_mask |= REDRAW_DOOR_3;
7604       }
7605     }
7606   }
7607 }
7608
7609 static void MapLevelEditorToolboxDrawingGadgets(void)
7610 {
7611   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
7612 }
7613
7614 static void UnmapLevelEditorToolboxDrawingGadgets(void)
7615 {
7616   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
7617 }
7618
7619 static void UnmapDrawingArea(int id)
7620 {
7621   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
7622 }
7623
7624 static void UnmapLevelEditorFieldGadgets(void)
7625 {
7626   int i;
7627
7628   for (i = 0; i < num_editor_gadgets; i++)
7629     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
7630                           level_editor_gadget[i]->y))
7631       UnmapGadget(level_editor_gadget[i]);
7632 }
7633
7634 void UnmapLevelEditorGadgets(void)
7635 {
7636   int i;
7637
7638   for (i = 0; i < num_editor_gadgets; i++)
7639     UnmapGadget(level_editor_gadget[i]);
7640 }
7641
7642 static void ResetUndoBuffer(void)
7643 {
7644   undo_buffer_position = -1;
7645   undo_buffer_steps = -1;
7646   redo_buffer_steps = 0;
7647
7648   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
7649
7650   level.changed = FALSE;
7651 }
7652
7653 static void DrawEditModeWindowExt(boolean remap_toolbox_gadgets)
7654 {
7655   if (remap_toolbox_gadgets)
7656   {
7657     ModifyEditorElementList();
7658     RedrawDrawingElements();
7659   }
7660
7661   if (edit_mode == ED_MODE_INFO)
7662     DrawLevelInfoWindow();
7663   else if (edit_mode == ED_MODE_PROPERTIES)
7664     DrawPropertiesWindow();
7665   else if (edit_mode == ED_MODE_PALETTE)
7666     DrawPaletteWindow();
7667   else  // edit_mode == ED_MODE_DRAWING
7668     DrawDrawingWindowExt(remap_toolbox_gadgets);
7669 }
7670
7671 static void DrawEditModeWindow(void)
7672 {
7673   DrawEditModeWindowExt(TRUE);
7674 }
7675
7676 static void DrawEditModeWindow_PlayfieldOnly(void)
7677 {
7678   DrawEditModeWindowExt(FALSE);
7679 }
7680
7681 static void ChangeEditModeWindow(int new_edit_mode)
7682 {
7683   edit_mode = (new_edit_mode != edit_mode ? new_edit_mode : ED_MODE_DRAWING);
7684
7685   DrawEditModeWindow();
7686 }
7687
7688 static boolean LevelChanged(void)
7689 {
7690   boolean field_changed = FALSE;
7691   int x, y;
7692
7693   for (y = 0; y < lev_fieldy; y++)
7694     for (x = 0; x < lev_fieldx; x++)
7695       if (Feld[x][y] != level.field[x][y])
7696         field_changed = TRUE;
7697
7698   return (level.changed || field_changed);
7699 }
7700
7701 static boolean PrepareSavingIntoPersonalLevelSet(void)
7702 {
7703   static LevelDirTree *last_copied_leveldir = NULL;
7704   static LevelDirTree *last_written_leveldir = NULL;
7705   static int last_copied_level_nr = -1;
7706   static int last_written_level_nr = -1;
7707   LevelDirTree *leveldir_former = leveldir_current;
7708   int level_nr_former = level_nr;
7709   int new_level_nr;
7710
7711   // remember last mod/save so that for current session, we write
7712   // back to the same personal copy, asking only about overwrite.
7713   if (leveldir_current == last_copied_leveldir &&
7714       level_nr == last_copied_level_nr)
7715   {
7716     // "cd" to personal level set dir (as used when writing last copy)
7717     leveldir_current = last_written_leveldir;
7718     level_nr = last_written_level_nr;
7719
7720     return TRUE;
7721   }
7722
7723   if (!Request("This level is read only! "
7724                "Save into personal level set?", REQ_ASK))
7725     return FALSE;
7726
7727   // "cd" to personal level set dir (for writing copy the first time)
7728   leveldir_current =
7729     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
7730
7731   // this may happen if "setup.internal.create_user_levelset" is FALSE
7732   // or if file "levelinfo.conf" is missing in personal user level set
7733   if (leveldir_current == NULL)
7734   {
7735     Request("Cannot find personal level set?!", REQ_CONFIRM);
7736
7737     leveldir_current = leveldir_former;
7738
7739     return FALSE;
7740   }
7741
7742   // find unused level number
7743   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
7744   {
7745     static char *level_filename = NULL;
7746
7747     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
7748
7749     if (!fileExists(level_filename))
7750       break;
7751   }
7752
7753   last_copied_leveldir = leveldir_former;
7754   last_copied_level_nr = level_nr_former;
7755
7756   last_written_leveldir = leveldir_current;
7757   last_written_level_nr = level_nr = new_level_nr;
7758
7759   return TRUE;
7760 }
7761
7762 static void ModifyLevelInfoForSavingIntoPersonalLevelSet(char *former_name)
7763 {
7764   static char *filename_levelinfo = NULL, *mod_name = NULL;
7765   FILE *file;
7766
7767   // annotate this copy-and-mod in personal levelinfo.conf
7768   setString(&filename_levelinfo,
7769             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
7770
7771   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
7772   {
7773     fprintf(file, "\n");
7774     fprintf(file, "# level %d was modified from:\n", level_nr);
7775     fprintf(file, "# - previous level set name:    %s\n",
7776             former_name);
7777     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
7778             level.file_info.nr, level.name);
7779     fprintf(file, "# - previous author:            %s\n",
7780             level.author);
7781     fprintf(file, "# - previous save date:         ");
7782
7783     if (level.creation_date.src == DATE_SRC_LEVELFILE)
7784     {
7785       fprintf(file, "%04d-%02d-%02d\n",
7786               level.creation_date.year,
7787               level.creation_date.month,
7788               level.creation_date.day);
7789     }
7790     else
7791     {
7792       fprintf(file, "not recorded\n");
7793     }
7794
7795     fclose(file);
7796   }
7797
7798   if (level_nr > leveldir_current->last_level)
7799     UpdateUserLevelSet(getLoginName(), NULL, NULL, level_nr + 9);
7800
7801   // else: allow the save even if annotation failed
7802
7803   // now... spray graffiti on the old level vital statistics
7804   // user can change these; just trying to set a good baseline
7805
7806   // don't truncate names for fear of making offensive or silly:
7807   // long-named original author only recorded in levelinfo.conf.
7808   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
7809   if (!strEqual(level.author, leveldir_current->author))
7810   {
7811     setString(&mod_name, getStringCat3(leveldir_current->author,
7812                                        " after ", level.author));
7813
7814     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7815       setString(&mod_name,
7816                 getStringCat2(leveldir_current->author, " (ed.)"));
7817
7818     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7819       setString(&mod_name, leveldir_current->author);
7820
7821     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
7822
7823     // less worried about truncation here
7824     setString(&mod_name, getStringCat2("Mod: ", level.name));
7825     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
7826   }
7827 }
7828
7829 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
7830                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
7831 {
7832   int x, y;
7833
7834   for (x = 0; x < lev_fieldx; x++)
7835     for (y = 0; y < lev_fieldy; y++)
7836       dst[x][y] = src[x][y];
7837 }
7838
7839 static int setSelectboxValue(int selectbox_id, int new_value)
7840 {
7841   int new_index_value = 0;
7842   int i;
7843
7844   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
7845     if (selectbox_info[selectbox_id].options[i].value == new_value)
7846       new_index_value = i;
7847
7848   *selectbox_info[selectbox_id].value =
7849     selectbox_info[selectbox_id].options[new_index_value].value;
7850
7851   return new_index_value;
7852 }
7853
7854 static void setSelectboxSpecialActionVariablesIfNeeded(void)
7855 {
7856   int i;
7857
7858   // change action mode and arg variables according to action type variable
7859   for (i = 0; action_arg_options[i].value != -1; i++)
7860   {
7861     if (action_arg_options[i].value == custom_element_change.action_type)
7862     {
7863       int mode = action_arg_options[i].mode;
7864
7865       // only change if corresponding selectbox has changed
7866       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
7867           action_arg_modes[mode])
7868         custom_element_change.action_mode = -1;
7869
7870       // only change if corresponding selectbox has changed
7871       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
7872           action_arg_options[i].options)
7873         custom_element_change.action_arg = -1;
7874
7875       break;
7876     }
7877   }
7878 }
7879
7880 static void setSelectboxSpecialActionOptions(void)
7881 {
7882   int i;
7883
7884   // change action mode and arg selectbox according to action type selectbox
7885   for (i = 0; action_arg_options[i].value != -1; i++)
7886   {
7887     if (action_arg_options[i].value == custom_element_change.action_type)
7888     {
7889       int mode = action_arg_options[i].mode;
7890
7891       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
7892                                    action_arg_modes[mode]);
7893       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
7894                                  custom_element_change.action_mode);
7895
7896       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
7897                                    action_arg_options[i].options);
7898       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
7899                                  custom_element_change.action_arg);
7900       break;
7901     }
7902   }
7903 }
7904
7905 static void copy_custom_element_settings(int element_from, int element_to)
7906 {
7907   struct ElementInfo *ei_from = &element_info[element_from];
7908   struct ElementInfo *ei_to = &element_info[element_to];
7909
7910   copyElementInfo(ei_from, ei_to);
7911 }
7912
7913 static void replace_custom_element_in_settings(int element_from,
7914                                                int element_to)
7915 {
7916   int i, j, x, y;
7917
7918   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7919   {
7920     struct ElementInfo *ei = &element_info[i];
7921
7922     for (y = 0; y < 3; y++)
7923       for (x = 0; x < 3; x++)
7924         if (ei->content.e[x][y] == element_from)
7925           ei->content.e[x][y] = element_to;
7926
7927     for (j = 0; j < ei->num_change_pages; j++)
7928     {
7929       struct ElementChangeInfo *change = &ei->change_page[j];
7930
7931       if (change->target_element == element_from)
7932         change->target_element = element_to;
7933
7934       if (change->initial_trigger_element == element_from)
7935         change->initial_trigger_element = element_to;
7936
7937       if (change->action_element == element_from)
7938         change->action_element = element_to;
7939
7940       for (y = 0; y < 3; y++)
7941         for (x = 0; x < 3; x++)
7942           if (change->target_content.e[x][y] == element_from)
7943             change->target_content.e[x][y] = element_to;
7944     }
7945
7946     if (ei->group != NULL)                              // group or internal
7947       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
7948         if (ei->group->element[j] == element_from)
7949           ei->group->element[j] = element_to;
7950   }
7951 }
7952
7953 static void replace_custom_element_in_playfield(int element_from,
7954                                                 int element_to)
7955 {
7956   int x, y;
7957
7958   for (x = 0; x < lev_fieldx; x++)
7959     for (y = 0; y < lev_fieldy; y++)
7960       if (Feld[x][y] == element_from)
7961         Feld[x][y] = element_to;
7962 }
7963
7964 static boolean CopyCustomElement(int element_old, int element_new,
7965                                  int copy_mode)
7966 {
7967   int copy_mode_orig = copy_mode;
7968
7969   if (copy_mode == GADGET_ID_CUSTOM_COPY)
7970   {
7971     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
7972                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
7973     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
7974   }
7975   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
7976   {
7977     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
7978                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
7979     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
7980
7981     level.changed = TRUE;
7982   }
7983   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
7984   {
7985     Request("Please choose custom element!", REQ_CONFIRM);
7986
7987     return FALSE;
7988   }
7989   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
7990   {
7991     Request("Please choose group element!", REQ_CONFIRM);
7992
7993     return FALSE;
7994   }
7995   else
7996   {
7997     level.changed = TRUE;
7998   }
7999
8000   // when modifying custom/group element, ask for copying level template
8001   if (copy_mode_orig != GADGET_ID_CUSTOM_COPY && level.use_custom_template)
8002   {
8003     if (!AskToCopyAndModifyLevelTemplate())
8004       return FALSE;
8005   }
8006
8007   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
8008   {
8009     copy_custom_element_settings(element_new, element_old);
8010   }
8011   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
8012   {
8013     copy_custom_element_settings(element_old, element_new);
8014   }
8015   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
8016   {
8017     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
8018     copy_custom_element_settings(element_new, element_old);
8019     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
8020
8021     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
8022     replace_custom_element_in_settings(element_new, element_old);
8023     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
8024
8025     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
8026     replace_custom_element_in_playfield(element_new, element_old);
8027     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
8028   }
8029
8030   UpdateCustomElementGraphicGadgets();
8031   DrawPropertiesWindow();
8032
8033   return TRUE;
8034 }
8035
8036 static void CopyCustomElementPropertiesToEditor(int element)
8037 {
8038   int i;
8039   int current_change_page = element_info[element].current_change_page;
8040
8041   // dynamically (re)build selectbox for selecting change page
8042   for (i = 0; i < element_info[element].num_change_pages; i++)
8043   {
8044     sprintf(options_change_page_strings[i], "%d", i + 1);
8045
8046     options_change_page[i].value = i;
8047     options_change_page[i].text = options_change_page_strings[i];
8048   }
8049
8050   options_change_page[i].value = -1;
8051   options_change_page[i].text = NULL;
8052
8053   // needed here to initialize combined element properties
8054   InitElementPropertiesEngine(level.game_version);
8055
8056   element_info[element].change =
8057     &element_info[element].change_page[current_change_page];
8058
8059   custom_element = element_info[element];
8060   custom_element_change = *element_info[element].change;
8061
8062   // needed to initially set selectbox options for special action options
8063   setSelectboxSpecialActionOptions();
8064
8065   // needed to initially set selectbox value variables to reliable defaults
8066   for (i = 0; i < ED_NUM_SELECTBOX; i++)
8067     setSelectboxValue(i, *selectbox_info[i].value);
8068
8069   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
8070     custom_element_properties[i] = HAS_PROPERTY(element, i);
8071
8072   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
8073     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
8074
8075   // ---------- element settings: configure (custom elements) -----------------
8076
8077   // set accessible layer selectbox help value
8078   custom_element.access_type =
8079     (IS_WALKABLE(element) ? EP_WALKABLE :
8080      IS_PASSABLE(element) ? EP_PASSABLE :
8081      custom_element.access_type);
8082   custom_element.access_layer =
8083     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
8084      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
8085      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
8086      custom_element.access_layer);
8087   custom_element.access_protected =
8088     (IS_PROTECTED(element) ? 1 : 0);
8089   custom_element_properties[EP_ACCESSIBLE] =
8090     (IS_ACCESSIBLE_OVER(element) ||
8091      IS_ACCESSIBLE_INSIDE(element) ||
8092      IS_ACCESSIBLE_UNDER(element));
8093
8094   // set walk-to-object action selectbox help value
8095   custom_element.walk_to_action =
8096     (IS_DIGGABLE(element) ? EP_DIGGABLE :
8097      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
8098      IS_DROPPABLE(element) ? EP_DROPPABLE :
8099      IS_THROWABLE(element) ? EP_THROWABLE :
8100      IS_PUSHABLE(element) ? EP_PUSHABLE :
8101      custom_element.walk_to_action);
8102   custom_element_properties[EP_WALK_TO_OBJECT] =
8103     (IS_DIGGABLE(element) ||
8104      IS_COLLECTIBLE_ONLY(element) ||
8105      IS_DROPPABLE(element) ||
8106      IS_THROWABLE(element) ||
8107      IS_PUSHABLE(element));
8108
8109   // set smash targets selectbox help value
8110   custom_element.smash_targets =
8111     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
8112      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
8113      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
8114      custom_element.smash_targets);
8115   custom_element_properties[EP_CAN_SMASH] =
8116     (CAN_SMASH_EVERYTHING(element) ||
8117      CAN_SMASH_ENEMIES(element) ||
8118      CAN_SMASH_PLAYER(element));
8119
8120   // set deadliness selectbox help value
8121   custom_element.deadliness =
8122     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
8123      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
8124      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
8125      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
8126      custom_element.deadliness);
8127   custom_element_properties[EP_DEADLY] =
8128     (DONT_TOUCH(element) ||
8129      DONT_GET_HIT_BY(element) ||
8130      DONT_COLLIDE_WITH(element) ||
8131      DONT_RUN_INTO(element));
8132
8133   // ---------- element settings: advanced (custom elements) ------------------
8134
8135   // set "change by direct action" selectbox help value
8136   custom_element_change.direct_action =
8137     (HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
8138      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
8139      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
8140      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
8141      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
8142      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
8143      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
8144      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
8145      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
8146      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
8147      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
8148      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
8149      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
8150      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
8151      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
8152      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
8153      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
8154      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
8155      HAS_CHANGE_EVENT(element, CE_CLICKED_BY_MOUSE) ? CE_CLICKED_BY_MOUSE :
8156      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_MOUSE) ? CE_PRESSED_BY_MOUSE :
8157      custom_element_change.direct_action);
8158
8159   // set "change by other element action" selectbox help value
8160   custom_element_change.other_action =
8161     (HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
8162      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
8163      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
8164      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
8165      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
8166      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
8167      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
8168      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
8169      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
8170      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
8171      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
8172      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
8173      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
8174      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
8175      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
8176      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
8177      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
8178      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
8179      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
8180      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
8181      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
8182      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
8183      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
8184      HAS_CHANGE_EVENT(element, CE_MOUSE_CLICKED_ON_X) ? CE_MOUSE_CLICKED_ON_X :
8185      HAS_CHANGE_EVENT(element, CE_MOUSE_PRESSED_ON_X) ? CE_MOUSE_PRESSED_ON_X :
8186      custom_element_change.other_action);
8187 }
8188
8189 static void CopyGroupElementPropertiesToEditor(int element)
8190 {
8191   group_element_info = *element_info[element].group;
8192   custom_element = element_info[element];       // needed for description
8193 }
8194
8195 static void CopyClassicElementPropertiesToEditor(int element)
8196 {
8197   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
8198     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
8199       getMoveIntoAcidProperty(&level, element);
8200
8201   if (MAYBE_DONT_COLLIDE_WITH(element))
8202     custom_element_properties[EP_DONT_COLLIDE_WITH] =
8203       getDontCollideWithProperty(&level, element);
8204 }
8205
8206 static void CopyElementPropertiesToEditor(int element)
8207 {
8208   if (IS_CUSTOM_ELEMENT(element))
8209     CopyCustomElementPropertiesToEditor(element);
8210   else if (IS_GROUP_ELEMENT(element))
8211     CopyGroupElementPropertiesToEditor(element);
8212   else
8213     CopyClassicElementPropertiesToEditor(element);
8214 }
8215
8216 static boolean AskToCopyAndModifyLevelTemplate(void)
8217 {
8218   if (Request("Copy and modify settings from level template?", REQ_ASK))
8219   {
8220     level.use_custom_template = FALSE;
8221
8222     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_1],
8223                  GDI_CHECKED, FALSE, GDI_END);
8224     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_2],
8225                  GDI_CHECKED, FALSE, GDI_END);
8226
8227     return TRUE;
8228   }
8229   else
8230   {
8231     LoadLevelTemplate(-1);      // this resets all element modifications ...
8232
8233     DrawEditModeWindow();       // ... and copies them to 'custom_element'
8234
8235     return FALSE;
8236   }
8237 }
8238
8239 static void CopyCustomElementPropertiesToGame(int element)
8240 {
8241   int i;
8242   int access_type_and_layer;
8243
8244   // mark that this custom element has been modified
8245   custom_element.modified_settings = TRUE;
8246   level.changed = TRUE;
8247
8248   if (level.use_custom_template)
8249     AskToCopyAndModifyLevelTemplate();
8250
8251   element_info[element] = custom_element;
8252   *element_info[element].change = custom_element_change;
8253
8254   // ---------- element settings: configure (custom elements) -----------------
8255
8256   // set accessible property from checkbox and selectbox
8257   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
8258   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
8259   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
8260   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
8261   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
8262   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
8263   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
8264                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
8265                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
8266   custom_element_properties[access_type_and_layer] =
8267     custom_element_properties[EP_ACCESSIBLE];
8268   custom_element_properties[EP_PROTECTED] =
8269     (custom_element.access_protected != 0 &&
8270      custom_element_properties[EP_ACCESSIBLE]);
8271
8272   // set walk-to-object property from checkbox and selectbox
8273   custom_element_properties[EP_DIGGABLE] = FALSE;
8274   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
8275   custom_element_properties[EP_DROPPABLE] = FALSE;
8276   custom_element_properties[EP_THROWABLE] = FALSE;
8277   custom_element_properties[EP_PUSHABLE] = FALSE;
8278   custom_element_properties[custom_element.walk_to_action] =
8279     custom_element_properties[EP_WALK_TO_OBJECT];
8280
8281   // set smash property from checkbox and selectbox
8282   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
8283   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
8284   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
8285   custom_element_properties[custom_element.smash_targets] =
8286     custom_element_properties[EP_CAN_SMASH];
8287
8288   // set deadliness property from checkbox and selectbox
8289   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
8290   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
8291   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
8292   custom_element_properties[EP_DONT_TOUCH] = FALSE;
8293   custom_element_properties[custom_element.deadliness] =
8294     custom_element_properties[EP_DEADLY];
8295
8296   // ---------- element settings: advanced (custom elements) ------------------
8297
8298   // set player change event from checkbox and selectbox
8299   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
8300   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
8301   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
8302   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
8303   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
8304   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
8305   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
8306   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
8307   custom_element_change_events[CE_SWITCHED] = FALSE;
8308   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
8309   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
8310   custom_element_change_events[CE_BLOCKED] = FALSE;
8311   custom_element_change_events[CE_IMPACT] = FALSE;
8312   custom_element_change_events[CE_SMASHED] = FALSE;
8313   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
8314   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
8315   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
8316   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
8317   custom_element_change_events[CE_CLICKED_BY_MOUSE] = FALSE;
8318   custom_element_change_events[CE_PRESSED_BY_MOUSE] = FALSE;
8319   custom_element_change_events[custom_element_change.direct_action] =
8320     custom_element_change_events[CE_BY_DIRECT_ACTION];
8321
8322   // set other element action change event from checkbox and selectbox
8323   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
8324   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
8325   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
8326   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
8327   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
8328   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
8329   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
8330   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
8331   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
8332   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
8333   custom_element_change_events[CE_TOUCHING_X] = FALSE;
8334   custom_element_change_events[CE_HITTING_X] = FALSE;
8335   custom_element_change_events[CE_DIGGING_X] = FALSE;
8336   custom_element_change_events[CE_HIT_BY_X] = FALSE;
8337   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
8338   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
8339   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
8340   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
8341   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
8342   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
8343   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
8344   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
8345   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
8346   custom_element_change_events[CE_MOUSE_CLICKED_ON_X] = FALSE;
8347   custom_element_change_events[CE_MOUSE_PRESSED_ON_X] = FALSE;
8348   custom_element_change_events[custom_element_change.other_action] =
8349     custom_element_change_events[CE_BY_OTHER_ACTION];
8350
8351   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
8352     SET_PROPERTY(element, i, custom_element_properties[i]);
8353
8354   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
8355     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
8356
8357   // copy change events also to special level editor variable
8358   custom_element = element_info[element];
8359   custom_element_change = *element_info[element].change;
8360
8361   // needed here to restore runtime value "element_info[element].gfx_element"
8362   InitElementPropertiesGfxElement();
8363 }
8364
8365 static void CopyGroupElementPropertiesToGame(int element)
8366 {
8367   // mark that this group element has been modified
8368   custom_element.modified_settings = TRUE;
8369   level.changed = TRUE;
8370
8371   if (level.use_custom_template)
8372     AskToCopyAndModifyLevelTemplate();
8373
8374   element_info[element] = custom_element;
8375   *element_info[element].group = group_element_info;
8376
8377   // needed here to restore runtime value "element_info[element].gfx_element"
8378   InitElementPropertiesGfxElement();
8379 }
8380
8381 static void CopyClassicElementPropertiesToGame(int element)
8382 {
8383   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
8384     setMoveIntoAcidProperty(&level, element,
8385                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
8386
8387   if (MAYBE_DONT_COLLIDE_WITH(element))
8388     setDontCollideWithProperty(&level, element,
8389                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
8390 }
8391
8392 static void CopyElementPropertiesToGame(int element)
8393 {
8394   if (IS_CUSTOM_ELEMENT(element))
8395     CopyCustomElementPropertiesToGame(element);
8396   else if (IS_GROUP_ELEMENT(element))
8397     CopyGroupElementPropertiesToGame(element);
8398   else
8399     CopyClassicElementPropertiesToGame(element);
8400 }
8401
8402 #if DEBUG
8403 static void CheckElementDescriptions(void)
8404 {
8405   int i;
8406
8407   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
8408     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
8409       Error(ERR_WARN, "no element description file for element '%s'",
8410             EL_NAME(i));
8411 }
8412 #endif
8413
8414 static int getMaxEdFieldX(boolean has_scrollbar)
8415 {
8416   int scrollbar_width = (has_scrollbar ? ED_SCROLLBUTTON_XSIZE : 0);
8417   int sxsize = SXSIZE - scrollbar_width;
8418   int max_ed_fieldx = sxsize / ed_tilesize;
8419
8420   return max_ed_fieldx;
8421 }
8422
8423 static int getMaxEdFieldY(boolean has_scrollbar)
8424 {
8425   int infotext_height = (IN_PIX_FIELD(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY) ?
8426                          INFOTEXT_YSIZE_FULL : 0);
8427   int scrollbar_height = (has_scrollbar ? ED_SCROLLBUTTON_YSIZE : 0);
8428   int sysize = SYSIZE - scrollbar_height - infotext_height;
8429   int max_ed_fieldy = sysize / ed_tilesize;
8430
8431   return max_ed_fieldy;
8432 }
8433
8434 static void InitZoomLevelSettings(int zoom_tilesize)
8435 {
8436   static int last_game_engine_type = GAME_ENGINE_TYPE_UNKNOWN;
8437
8438   if (zoom_tilesize == -1 && level.game_engine_type != last_game_engine_type)
8439   {
8440     ed_tilesize = setup.auto_setup.editor_zoom_tilesize;
8441     ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
8442
8443     // make sure that tile size is always a power of 2
8444     ed_tilesize = (1 << log_2(ed_tilesize));
8445
8446     if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
8447     {
8448       ed_tilesize = DEFAULT_EDITOR_TILESIZE_MM;
8449       ed_tilesize_default = DEFAULT_EDITOR_TILESIZE_MM;
8450     }
8451   }
8452
8453   last_game_engine_type = level.game_engine_type;
8454
8455   // limit zoom tilesize by upper and lower bound
8456   ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
8457
8458   // store zoom tilesize in auto setup file only if it was manually changed
8459   if (zoom_tilesize != -1)
8460     setup.auto_setup.editor_zoom_tilesize = ed_tilesize;
8461
8462   MAX_ED_FIELDX = getMaxEdFieldX(FALSE);
8463   MAX_ED_FIELDY = getMaxEdFieldY(FALSE);
8464 }
8465
8466 static void InitDrawingElements(void)
8467 {
8468   static int game_engine_type_last = GAME_ENGINE_TYPE_UNKNOWN;
8469
8470   if (level.game_engine_type == game_engine_type_last)
8471     return;
8472
8473   if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
8474   {
8475     new_element1 = EL_SP_CHIP_SINGLE;
8476     new_element2 = EL_EMPTY;
8477     new_element3 = EL_SP_BASE;
8478   }
8479   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
8480   {
8481     new_element1 = EL_MM_MIRROR_START;
8482     new_element2 = EL_EMPTY;
8483     new_element3 = EL_MM_WOODEN_WALL;
8484   }
8485   else
8486   {
8487     new_element1 = EL_WALL;
8488     new_element2 = EL_EMPTY;
8489     new_element3 = EL_SAND;
8490   }
8491
8492   game_engine_type_last = level.game_engine_type;
8493 }
8494
8495 static void InitLevelSetInfo(void)
8496 {
8497   snprintf(levelset_name,   MAX_LEVEL_NAME_LEN + 1,
8498            "%s", leveldir_current->name);
8499   snprintf(levelset_author, MAX_LEVEL_AUTHOR_LEN + 1,
8500            "%s", leveldir_current->author);
8501
8502   levelset_num_levels = leveldir_current->levels;
8503
8504   levelset_use_levelset_artwork = FALSE;
8505   levelset_copy_level_template = FALSE;
8506
8507   levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
8508 }
8509
8510 static void ChangeEditorToLevelSet(char *levelset_subdir)
8511 {
8512   leveldir_current = getTreeInfoFromIdentifier(leveldir_first, levelset_subdir);
8513
8514   // the previous level set might have used custom artwork
8515   ReloadCustomArtwork(0);
8516
8517   LoadLevelSetup_SeriesInfo();
8518
8519   SaveLevelSetup_LastSeries();
8520   SaveLevelSetup_SeriesInfo();
8521
8522   TapeErase();
8523
8524   LoadLevel(level_nr);
8525   LoadScore(level_nr);
8526
8527   DrawLevelEd();
8528 }
8529
8530 static boolean useEditorDoorAnimation(void)
8531 {
8532   struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
8533   boolean door_1_viewport_unchanged =
8534     (vp_door_1->x      == DX     &&
8535      vp_door_1->y      == DY     &&
8536      vp_door_1->width  == DXSIZE &&
8537      vp_door_1->height == DYSIZE);
8538   boolean door_1_contains_toolbox =
8539     (EX >= DX &&
8540      EY >= DY &&
8541      EX + EXSIZE <= DX + DXSIZE &&
8542      EY + EYSIZE <= DY + DYSIZE);
8543
8544   return (door_1_viewport_unchanged && door_1_contains_toolbox);
8545 }
8546
8547 static void DrawEditorDoorBackground(int graphic, int x, int y,
8548                                      int width, int height)
8549 {
8550   struct GraphicInfo *g = &graphic_info[graphic];
8551
8552   if (g->bitmap != NULL)
8553     BlitBitmap(g->bitmap, drawto, g->src_x, g->src_y,
8554                MIN(width, g->width), MIN(height, g->height), x, y);
8555   else
8556     ClearRectangle(drawto, x, y, width, height);
8557 }
8558
8559 static void DrawEditorDoorContent(void)
8560 {
8561   // needed for gadgets drawn on background (like palette scrollbar)
8562   SetDoorBackgroundImage(IMG_UNDEFINED);
8563
8564   // copy default editor door content to main double buffer
8565   DrawEditorDoorBackground(IMG_BACKGROUND_PALETTE, DX, DY, DXSIZE, DYSIZE);
8566
8567   // draw bigger door
8568   DrawSpecialEditorDoor();
8569
8570   // draw new control window
8571   DrawEditorDoorBackground(IMG_BACKGROUND_TOOLBOX, EX, EY, EXSIZE, EYSIZE);
8572
8573   // draw all toolbox gadgets to editor doors
8574   MapControlButtons();
8575
8576   // draw all palette gadgets to editor doors
8577   ModifyEditorElementList();
8578   RedrawDrawingElements();
8579
8580   // copy actual editor door content to door double buffer for OpenDoor()
8581   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
8582 }
8583
8584 void DrawLevelEd(void)
8585 {
8586   int fade_mask = REDRAW_FIELD;
8587
8588   FadeSoundsAndMusic();
8589
8590   if (CheckFadeAll())
8591     fade_mask = REDRAW_ALL;
8592
8593   FadeOut(fade_mask);
8594
8595   // needed if different viewport properties defined for editor
8596   ChangeViewportPropertiesIfNeeded();
8597
8598   ClearField();
8599
8600   InitZoomLevelSettings(-1);
8601   InitDrawingElements();
8602   InitLevelSetInfo();
8603
8604 #if DEBUG
8605   CheckElementDescriptions();
8606 #endif
8607
8608   if (level_editor_test_game)
8609   {
8610     CopyPlayfield(level.field, Feld);
8611     CopyPlayfield(FieldBackup, level.field);
8612
8613     level_editor_test_game = FALSE;
8614   }
8615   else
8616   {
8617     edit_mode = ED_MODE_DRAWING;
8618     edit_mode_levelinfo = ED_MODE_LEVELINFO_LEVEL;
8619     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
8620
8621     ResetUndoBuffer();
8622
8623     level_xpos = -1;
8624     level_ypos = -1;
8625   }
8626
8627   // redraw_mask |= REDRAW_ALL;
8628
8629   FreeLevelEditorGadgets();
8630   CreateLevelEditorGadgets();
8631
8632   ReinitializeElementList();            // update dynamic level element list
8633   ReinitializeElementListButtons();     // custom element may look different
8634
8635   InitElementPropertiesGfxElement();
8636
8637   UnmapAllGadgets();
8638
8639   DrawEditModeWindow_PlayfieldOnly();
8640
8641   DrawMaskedBorder(fade_mask);
8642
8643   // use door animation if door 1 viewport is unchanged and contains toolbox
8644   if (useEditorDoorAnimation())
8645   {
8646     FadeIn(fade_mask);
8647
8648     DrawEditorDoorContent();
8649
8650     OpenDoor(DOOR_OPEN_1 | DOOR_FORCE_ANIM);
8651   }
8652   else
8653   {
8654     DrawEditorDoorContent();
8655
8656     FadeIn(fade_mask);
8657   }
8658
8659   SetDoorState(DOOR_OPEN_1 | DOOR_OPEN_2);
8660 }
8661
8662 static void AdjustDrawingAreaGadgets(void)
8663 {
8664   int ed_xsize = lev_fieldx + 2;
8665   int ed_ysize = lev_fieldy + 2;
8666   int max_ed_fieldx = MAX_ED_FIELDX;
8667   int max_ed_fieldy = MAX_ED_FIELDY;
8668   boolean horizontal_scrollbar_needed;
8669   boolean vertical_scrollbar_needed;
8670   int x, y, width, height;
8671
8672   if (suppressBorderElement())
8673   {
8674     ed_xsize = max_ed_fieldx;
8675     ed_ysize = max_ed_fieldy;
8676   }
8677
8678   // check if we need any scrollbars
8679   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
8680   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
8681
8682   // check if we have a smaller editor field because of scrollbars
8683   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
8684   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
8685
8686   // check again if we now need more scrollbars because of less space
8687   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
8688   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
8689
8690   // check if editor field gets even smaller after adding new scrollbars
8691   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
8692   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
8693
8694   ed_fieldx = (ed_xsize > max_ed_fieldx ? max_ed_fieldx : ed_xsize);
8695   ed_fieldy = (ed_ysize > max_ed_fieldy ? max_ed_fieldy : ed_ysize);
8696
8697   x = SX + ed_fieldx * ed_tilesize;
8698   y = SY + ed_fieldy * ed_tilesize;
8699
8700   width  = ed_fieldx * ed_tilesize - 2 * ED_SCROLLBUTTON_XSIZE;
8701   height = ed_fieldy * ed_tilesize - 2 * ED_SCROLLBUTTON_YSIZE;
8702
8703   // adjust drawing area gadget
8704   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
8705                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
8706                GDI_ITEM_SIZE, ed_tilesize, ed_tilesize,
8707                GDI_END);
8708
8709   // adjust horizontal scrollbar gadgets
8710   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LEFT],
8711                GDI_Y, y,
8712                GDI_END);
8713   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT],
8714                GDI_X, x - ED_SCROLLBUTTON_XSIZE,
8715                GDI_Y, y,
8716                GDI_END);
8717   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
8718                GDI_Y, y,
8719                GDI_WIDTH, width,
8720                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
8721                GDI_END);
8722
8723   // adjust vertical scrollbar gadgets
8724   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_UP],
8725                GDI_X, x,
8726                GDI_END);
8727   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN],
8728                GDI_X, x,
8729                GDI_Y, y - ED_SCROLLBUTTON_YSIZE,
8730                GDI_END);
8731   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
8732                GDI_X, x,
8733                GDI_HEIGHT, height,
8734                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
8735                GDI_END);
8736 }
8737
8738 static void AdjustLevelScrollPosition(void)
8739 {
8740   if (level_xpos < -1)
8741     level_xpos = -1;
8742   if (level_xpos > lev_fieldx - ed_fieldx + 1)
8743     level_xpos = lev_fieldx - ed_fieldx + 1;
8744   if (lev_fieldx < ed_fieldx - 2)
8745     level_xpos = -1;
8746
8747   if (level_ypos < -1)
8748     level_ypos = -1;
8749   if (level_ypos > lev_fieldy - ed_fieldy + 1)
8750     level_ypos = lev_fieldy - ed_fieldy + 1;
8751   if (lev_fieldy < ed_fieldy - 2)
8752     level_ypos = -1;
8753
8754   if (suppressBorderElement())
8755   {
8756     level_xpos = 0;
8757     level_ypos = 0;
8758   }
8759 }
8760
8761 static void AdjustEditorScrollbar(int id)
8762 {
8763   struct GadgetInfo *gi = level_editor_gadget[id];
8764   int items_max, items_visible, item_position;
8765
8766   if (id == GADGET_ID_SCROLL_HORIZONTAL)
8767   {
8768     items_max = MAX(lev_fieldx + 2, ed_fieldx);
8769     items_visible = ed_fieldx;
8770     item_position = level_xpos + 1;
8771   }
8772   else
8773   {
8774     items_max = MAX(lev_fieldy + 2, ed_fieldy);
8775     items_visible = ed_fieldy;
8776     item_position = level_ypos + 1;
8777   }
8778
8779   if (item_position > items_max - items_visible)
8780     item_position = items_max - items_visible;
8781
8782   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
8783                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
8784 }
8785
8786 static void AdjustElementListScrollbar(void)
8787 {
8788   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
8789   int items_max, items_visible, item_position;
8790
8791   // correct position of element list scrollbar
8792   if (element_shift < 0)
8793     element_shift = 0;
8794   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
8795     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
8796
8797   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
8798   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
8799   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
8800
8801   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
8802                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
8803                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
8804 }
8805
8806 static void ModifyEditorCounterValue(int counter_id, int new_value)
8807 {
8808   int *counter_value = counterbutton_info[counter_id].value;
8809   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
8810   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8811
8812   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
8813
8814   if (counter_value != NULL)
8815     *counter_value = gi->textinput.number_value;
8816 }
8817
8818 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
8819 {
8820   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
8821   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8822
8823   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
8824
8825   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
8826       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
8827   {
8828     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
8829     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
8830
8831     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
8832     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_SMALL_DISTANCE,
8833                  GDI_END);
8834   }
8835 }
8836
8837 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
8838 {
8839   int gadget_id = selectbox_info[selectbox_id].gadget_id;
8840   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8841   int new_index_value = setSelectboxValue(selectbox_id, new_value);
8842
8843   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
8844 }
8845
8846 static void ModifyEditorSelectboxOptions(int selectbox_id,
8847                                          struct ValueTextInfo *options)
8848 {
8849   int gadget_id = selectbox_info[selectbox_id].gadget_id;
8850   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8851
8852   selectbox_info[selectbox_id].options = options;
8853
8854   // set index to zero -- list may be shorter now (correct later, if needed)
8855   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
8856                GDI_SELECTBOX_OPTIONS, options, GDI_END);
8857 }
8858
8859 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
8860 {
8861   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
8862   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8863
8864   drawingarea_info[drawingarea_id].area_xsize = xsize;
8865   drawingarea_info[drawingarea_id].area_ysize = ysize;
8866
8867   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
8868 }
8869
8870 static void ModifyEditorElementList(void)
8871 {
8872   int i;
8873
8874   if (!use_permanent_palette && edit_mode != ED_MODE_PALETTE)
8875     return;
8876
8877   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
8878   {
8879     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
8880     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8881     struct GadgetDesign *gd = &gi->deco.design;
8882     int element = editor_elements[element_shift + i];
8883     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
8884
8885     UnmapGadget(gi);
8886
8887     getEditorGraphicSource(element, tile_size, &gd->bitmap, &gd->x, &gd->y);
8888
8889     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
8890
8891     MapGadget(gi);
8892   }
8893 }
8894
8895 static void DrawDrawingElementGraphic(int element, struct XYTileSize *pos)
8896 {
8897   int graphic = el2edimg(element);
8898   int tile_size = BUTTON_TILE_SIZE(pos->tile_size);
8899
8900   if (pos->x == -1 &&
8901       pos->y == -1)
8902     return;
8903
8904   DrawSizedGraphicExt(drawto, DX + pos->x, DY + pos->y, graphic, 0, tile_size);
8905 }
8906
8907 static void ModifyDrawingElementButton(int element, int id)
8908 {
8909   struct GadgetInfo *gi = level_editor_gadget[id];
8910   Bitmap *deco_bitmap;
8911   int deco_x, deco_y;
8912   int tile_size = gi->deco.width;
8913
8914   getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
8915
8916   ModifyGadget(gi, GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y, GDI_END);
8917 }
8918
8919 static void PickDrawingElement(int button, int element)
8920 {
8921   struct
8922   {
8923     int *new_element;
8924     struct XYTileSize *pos;
8925     int id;
8926   } de, drawing_elements[] =
8927   {
8928     { &new_element1, &editor.palette.element_left,   GADGET_ID_ELEMENT_LEFT   },
8929     { &new_element2, &editor.palette.element_middle, GADGET_ID_ELEMENT_MIDDLE },
8930     { &new_element3, &editor.palette.element_right,  GADGET_ID_ELEMENT_RIGHT  },
8931   };
8932
8933   if (button < 1 || button > 3)
8934     return;
8935
8936   if (IS_MM_WALL(element))
8937     element = map_mm_wall_element(element);
8938
8939   de = drawing_elements[button - 1];
8940
8941   *de.new_element = element;    // update global drawing element variable
8942
8943   DrawDrawingElementGraphic(element, de.pos);
8944   ModifyDrawingElementButton(element, de.id);
8945
8946   redraw_mask |= REDRAW_DOOR_1;
8947 }
8948
8949 static void RedrawDrawingElements(void)
8950 {
8951   PickDrawingElement(1, new_element1);
8952   PickDrawingElement(2, new_element2);
8953   PickDrawingElement(3, new_element3);
8954 }
8955
8956 static void DrawDrawingWindowExt(boolean remap_toolbox_gadgets)
8957 {
8958   stick_element_properties_window = FALSE;
8959
8960   SetMainBackgroundImage(IMG_UNDEFINED);
8961   ClearField();
8962
8963   UnmapLevelEditorFieldGadgets();
8964
8965   AdjustDrawingAreaGadgets();
8966   AdjustLevelScrollPosition();
8967   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
8968   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
8969
8970   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
8971
8972   MapMainDrawingArea();
8973
8974   if (remap_toolbox_gadgets)
8975   {
8976     UnmapLevelEditorToolboxCustomGadgets();
8977     MapLevelEditorToolboxDrawingGadgets();
8978   }
8979 }
8980
8981 static void DrawDrawingWindow(void)
8982 {
8983   DrawDrawingWindowExt(TRUE);
8984 }
8985
8986 static int getTabulatorBarWidth(void)
8987 {
8988   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
8989   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
8990
8991   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
8992 }
8993
8994 static int getTabulatorBarHeight(void)
8995 {
8996   return ED_TAB_BAR_HEIGHT;
8997 }
8998
8999 static Pixel getTabulatorBarColor(void)
9000 {
9001   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
9002   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
9003   int gd_x = gd->x + gd_gi1->border.width / 2;
9004   int gd_y = gd->y + gd_gi1->height - 1;
9005
9006   return GetPixel(gd->bitmap, gd_x, gd_y);
9007 }
9008
9009 static void DrawLevelInfoTabulatorGadgets(void)
9010 {
9011   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
9012   Pixel tab_color = getTabulatorBarColor();
9013   int id_first = ED_TAB_BUTTON_ID_LEVELINFO_FIRST;
9014   int id_last  = ED_TAB_BUTTON_ID_LEVELINFO_LAST;
9015   int i;
9016
9017   for (i = id_first; i <= id_last; i++)
9018   {
9019     int gadget_id = textbutton_info[i].gadget_id;
9020     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9021     boolean active = (i != edit_mode_levelinfo);
9022
9023     // draw background line below tabulator button
9024     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
9025
9026     // draw solid line below inactive tabulator buttons
9027     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
9028       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
9029                     ED_GADGET_TINY_DISTANCE, tab_color);
9030
9031     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
9032     MapTextbuttonGadget(i);
9033   }
9034
9035   // draw little border line below tabulator buttons
9036   if (tab_color != BLACK_PIXEL)                 // black => transparent
9037     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
9038                   ED_GADGET_TINY_DISTANCE,
9039                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
9040 }
9041
9042 static void DrawPropertiesTabulatorGadgets(void)
9043 {
9044   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
9045   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
9046   int gd_x = gd->x + gd_gi1->border.width / 2;
9047   int gd_y = gd->y + gd_gi1->height - 1;
9048   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
9049   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
9050   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
9051   int i;
9052
9053   // draw two config tabulators for player elements
9054   if (ELEM_IS_PLAYER(properties_element))
9055     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
9056
9057   // draw two config and one "change" tabulator for custom elements
9058   if (IS_CUSTOM_ELEMENT(properties_element))
9059     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
9060
9061   for (i = id_first; i <= id_last; i++)
9062   {
9063     int gadget_id = textbutton_info[i].gadget_id;
9064     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9065     boolean active = (i != edit_mode_properties);
9066
9067     // use "config 1" and "config 2" instead of "config" for players and CEs
9068     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
9069         (ELEM_IS_PLAYER(properties_element) ||
9070          IS_CUSTOM_ELEMENT(properties_element)))
9071       continue;
9072
9073     // draw background line below tabulator button
9074     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
9075
9076     // draw solid line below inactive tabulator buttons
9077     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
9078       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
9079                     ED_GADGET_TINY_DISTANCE, tab_color);
9080
9081     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
9082     MapTextbuttonGadget(i);
9083   }
9084
9085   // draw little border line below tabulator buttons
9086   if (tab_color != BLACK_PIXEL)                 // black => transparent
9087     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
9088                   ED_GADGET_TINY_DISTANCE,
9089                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
9090 }
9091
9092 static void PrintInfoText(char *text, int font_nr, int xpos, int ypos)
9093 {
9094   DrawText(SX + xpos, SY + ypos, text, font_nr);
9095 }
9096
9097 static int PrintElementDescriptionFromFile(char *filename, int font_nr,
9098                                            int xpos, int ypos)
9099 {
9100   int font_width = getFontWidth(font_nr);
9101   int font_height = getFontHeight(font_nr);
9102   int max_chars_per_line = (SXSIZE - 2 * xpos) / font_width;
9103   int max_lines_drawable = (SYSIZE - ypos) / font_height - 1;
9104
9105   return DrawTextFile(SX + xpos, SY + ypos, filename, font_nr,
9106                       max_chars_per_line, -1, max_lines_drawable, 0, -1,
9107                       TRUE, FALSE, FALSE);
9108 }
9109
9110 static void DrawLevelInfoLevel(void)
9111 {
9112   int i;
9113
9114   // draw counter gadgets
9115   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
9116     MapCounterButtons(i);
9117
9118   // draw checkbutton gadgets
9119   for (i = ED_CHECKBUTTON_ID_LEVEL_FIRST; i<= ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
9120     MapCheckbuttonGadget(i);
9121
9122   // draw selectbox gadgets
9123   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
9124     MapSelectboxGadget(i);
9125
9126   // draw text input gadgets
9127   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
9128     MapTextInputGadget(i);
9129 }
9130
9131 static char *getLevelSubdirFromSaveMode(int save_mode)
9132 {
9133   if (save_mode == LEVELSET_SAVE_MODE_CREATE)
9134     return getNewUserLevelSubdir();
9135
9136   return leveldir_current->subdir;
9137 }
9138
9139 static void DrawLevelInfoLevelSet_DirectoryInfo(void)
9140 {
9141   char *directory_text = "Level set directory:";
9142   char *directory_name = getLevelSubdirFromSaveMode(levelset_save_mode);
9143   int font1_nr = FONT_TEXT_1;
9144   int font2_nr = FONT_TEXT_2;
9145   int font1_height = getFontHeight(font1_nr);
9146   int yoffset_above = font1_height + ED_GADGET_LINE_DISTANCE;
9147   int x = ED_LEVEL_SETTINGS_X(0);
9148   int y = ED_LEVEL_SETTINGS_Y(6);
9149
9150   PrintInfoText(directory_text, font1_nr, x, y - yoffset_above);
9151   PrintInfoText(directory_name, font2_nr, x, y);
9152 }
9153
9154 static void DrawLevelInfoLevelSet(void)
9155 {
9156   boolean artwork_exists = checkIfCustomArtworkExistsForCurrentLevelSet();
9157   boolean template_exists = fileExists(getLocalLevelTemplateFilename());
9158   int i;
9159
9160   // draw counter gadgets
9161   for (i = ED_COUNTER_ID_LEVELSET_FIRST; i <= ED_COUNTER_ID_LEVELSET_LAST; i++)
9162     MapCounterButtons(i);
9163
9164   // draw checkbutton gadgets
9165   for (i = ED_CHECKBUTTON_ID_LEVELSET_FIRST; i <= ED_CHECKBUTTON_ID_LEVELSET_LAST; i++)
9166   {
9167     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE ||
9168         (i == ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK && !artwork_exists) ||
9169         (i == ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE  && !template_exists))
9170       continue;
9171
9172     MapCheckbuttonGadget(i);
9173   }
9174
9175   // draw selectbox gadgets
9176   for (i = ED_SELECTBOX_ID_LEVELSET_FIRST; i <= ED_SELECTBOX_ID_LEVELSET_LAST; i++)
9177     MapSelectboxGadget(i);
9178
9179   // draw text input gadgets
9180   for (i = ED_TEXTINPUT_ID_LEVELSET_FIRST; i <= ED_TEXTINPUT_ID_LEVELSET_LAST; i++)
9181     MapTextInputGadget(i);
9182
9183   // draw textbutton gadgets
9184   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_LEVELSET);
9185
9186   // draw info text
9187   DrawLevelInfoLevelSet_DirectoryInfo();
9188 }
9189
9190 static void DrawLevelInfoEditor(void)
9191 {
9192   int i;
9193
9194   // draw counter gadgets
9195   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
9196     MapCounterButtons(i);
9197
9198   // draw checkbutton gadgets
9199   for (i=ED_CHECKBUTTON_ID_EDITOR_FIRST; i<= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
9200     MapCheckbuttonGadget(i);
9201
9202   // draw radiobutton gadgets
9203   for (i=ED_RADIOBUTTON_ID_EDITOR_FIRST; i<= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
9204     MapRadiobuttonGadget(i);
9205
9206   // draw drawing area
9207   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
9208
9209   // draw textbutton gadgets
9210   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2);
9211 }
9212
9213 static void DrawLevelInfoWindow(void)
9214 {
9215   char *text = "Global Settings";
9216   int font_nr = FONT_TITLE_1;
9217   struct MenuPosInfo *pos = &editor.settings.headline;
9218   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font_nr), pos->align);
9219   int sy = SY + pos->y;
9220
9221   stick_element_properties_window = FALSE;
9222
9223   SetAutomaticNumberOfGemsNeeded();
9224
9225   UnmapLevelEditorFieldGadgets();
9226
9227   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
9228   ClearField();
9229
9230   DrawText(sx, sy, text, font_nr);
9231
9232   DrawLevelInfoTabulatorGadgets();
9233
9234   if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVEL)
9235     DrawLevelInfoLevel();
9236   else if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVELSET)
9237     DrawLevelInfoLevelSet();
9238   else if (edit_mode_levelinfo == ED_MODE_LEVELINFO_EDITOR)
9239     DrawLevelInfoEditor();
9240 }
9241
9242 static void DrawCustomContentArea(void)
9243 {
9244   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
9245   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
9246   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
9247   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
9248   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
9249   int xoffset = ED_GADGET_SPACE_DISTANCE;
9250
9251   // add distance for potential left text (without drawing area border)
9252   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
9253
9254   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
9255
9256   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
9257 }
9258
9259 static void DrawCustomChangeContentArea(void)
9260 {
9261   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
9262   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
9263   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
9264   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
9265   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
9266   int xoffset = ED_GADGET_SPACE_DISTANCE;
9267
9268   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
9269
9270   MapDrawingArea(id);
9271 }
9272
9273 static void RemoveElementContentArea(int id, int font_height)
9274 {
9275   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9276
9277   DrawBackground(SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size,
9278                  SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size,
9279                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9280                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size +
9281                  ED_GADGET_TEXT_DISTANCE + font_height);
9282 }
9283
9284 static void DrawYamYamContentAreas(void)
9285 {
9286   int font_nr = FONT_TEXT_1;
9287   int font_height = getFontHeight(font_nr);
9288   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
9289   int yoffset = (tilesize - font_height) / 2;
9290   int x = SX + ED_AREA_YAMYAM_CONTENT_X(3) + 4 * tilesize;
9291   int y = SY + ED_AREA_YAMYAM_CONTENT_Y(3) + yoffset;
9292   int i;
9293
9294   // display counter to choose number of element content areas
9295   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
9296
9297   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
9298   {
9299     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
9300
9301     if (i < level.num_yamyam_contents)
9302     {
9303       MapDrawingArea(id);
9304     }
9305     else
9306     {
9307       UnmapDrawingArea(id);
9308
9309       // delete content areas in case of reducing number of them
9310       RemoveElementContentArea(id, font_height);
9311     }
9312   }
9313
9314   DrawText(x, y + 0 * tilesize, "content", font_nr);
9315   DrawText(x, y + 1 * tilesize, "when",    font_nr);
9316   DrawText(x, y + 2 * tilesize, "smashed", font_nr);
9317 }
9318
9319 static void DrawMagicBallContentAreas(void)
9320 {
9321   int font_nr = FONT_TEXT_1;
9322   int font_height = getFontHeight(font_nr);
9323   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
9324   int yoffset = (tilesize - font_height) / 2;
9325   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_X(3) + 4 * tilesize;
9326   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_Y(3) + yoffset;
9327   int i;
9328
9329   // display counter to choose number of element content areas
9330   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
9331
9332   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
9333   {
9334     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
9335
9336     if (i < level.num_ball_contents)
9337     {
9338       MapDrawingArea(id);
9339     }
9340     else
9341     {
9342       UnmapDrawingArea(id);
9343
9344       // delete content areas in case of reducing number of them
9345       RemoveElementContentArea(id, font_height);
9346     }
9347   }
9348
9349   DrawText(x, y + 0 * tilesize, "generated", font_nr);
9350   DrawText(x, y + 1 * tilesize, "when",      font_nr);
9351   DrawText(x, y + 2 * tilesize, "active",    font_nr);
9352 }
9353
9354 static void DrawAndroidElementArea(int element)
9355 {
9356   int id = ED_DRAWING_ID_ANDROID_CONTENT;
9357   int num_elements = level.num_android_clone_elements;
9358   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9359   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9360   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9361   int xsize = MAX_ANDROID_ELEMENTS;
9362   int ysize = 1;
9363
9364   // display counter to choose number of element areas
9365   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
9366
9367   if (drawingarea_info[id].text_left != NULL)
9368     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9369
9370   UnmapDrawingArea(id);
9371
9372   ModifyEditorDrawingArea(id, num_elements, 1);
9373
9374   // delete content areas in case of reducing number of them
9375   DrawBackground(sx, sy,
9376                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9377                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9378
9379   MapDrawingArea(id);
9380 }
9381
9382 static void DrawGroupElementArea(int element)
9383 {
9384   int id = ED_DRAWING_ID_GROUP_CONTENT;
9385   int num_elements = group_element_info.num_elements;
9386   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9387   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9388   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9389   int xsize = MAX_ELEMENTS_IN_GROUP;
9390   int ysize = 1;
9391
9392   if (drawingarea_info[id].text_left != NULL)
9393     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9394
9395   UnmapDrawingArea(id);
9396
9397   ModifyEditorDrawingArea(id, num_elements, 1);
9398
9399   // delete content areas in case of reducing number of them
9400   DrawBackground(sx, sy,
9401                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9402                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9403
9404   MapDrawingArea(id);
9405 }
9406
9407 static void DrawPlayerInitialInventoryArea(int element)
9408 {
9409   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
9410   int player_nr = GET_PLAYER_NR(element);
9411   int num_elements = level.initial_inventory_size[player_nr];
9412   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9413   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9414   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9415   int xsize = MAX_INITIAL_INVENTORY_SIZE;
9416   int ysize = 1;
9417
9418   // determine horizontal position to the right of specified gadget
9419   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
9420     sx = (right_gadget_border[drawingarea_info[id].gadget_id_align] +
9421           ED_DRAWINGAREA_TEXT_DISTANCE);
9422
9423   // determine horizontal offset for leading text
9424   if (drawingarea_info[id].text_left != NULL)
9425     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9426
9427   UnmapDrawingArea(id);
9428
9429   ModifyEditorDrawingArea(id, num_elements, 1);
9430
9431   // delete content areas in case of reducing number of them
9432   DrawBackground(sx, sy,
9433                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9434                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9435
9436   MapDrawingArea(id);
9437 }
9438
9439 static void DrawEnvelopeTextArea(int envelope_nr)
9440 {
9441   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
9442   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
9443
9444   UnmapGadget(gi);
9445   DrawBackground(gi->x, gi->y, gi->width, gi->height);
9446
9447   if (envelope_nr != -1)
9448     textarea_info[id].value = level.envelope[envelope_nr].text;
9449
9450   ModifyGadget(gi, GDI_AREA_SIZE,
9451                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
9452                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
9453                GDI_END);
9454
9455   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
9456 }
9457
9458 static void DrawPropertiesInfo(void)
9459 {
9460   static struct
9461   {
9462     int value;
9463     char *text;
9464   }
9465   properties[] =
9466   {
9467     // configurable properties
9468
9469     { EP_WALKABLE_OVER,         "- player can walk over it"             },
9470     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
9471     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
9472     { EP_PASSABLE_OVER,         "- player can pass over it"             },
9473     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
9474     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
9475     { EP_PROTECTED,             "- player is protected by it"           },
9476
9477     { EP_DIGGABLE,              "- can be digged away"                  },
9478     { EP_COLLECTIBLE,           "- can be collected"                    },
9479     { EP_DROPPABLE,             "- can be dropped after collecting"     },
9480     { EP_THROWABLE,             "- can be thrown after collecting"      },
9481     { EP_PUSHABLE,              "- can be pushed"                       },
9482
9483     { EP_CAN_FALL,              "- can fall"                            },
9484     { EP_CAN_MOVE,              "- can move"                            },
9485
9486     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
9487 #if 0
9488     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
9489 #endif
9490     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
9491
9492     { EP_SLIPPERY,              "- slippery for falling elements"       },
9493     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
9494
9495     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
9496     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
9497     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
9498     { EP_DONT_TOUCH,            "- deadly when touching"                },
9499
9500     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
9501
9502     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
9503     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
9504     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
9505
9506     { EP_CAN_CHANGE,            "- can change to other element"         },
9507
9508     // pre-defined properties
9509     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
9510     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
9511     { EP_SWITCHABLE,            "- can be switched"                     },
9512 #if 0
9513     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
9514 #endif
9515
9516     { -1,                       NULL                                    }
9517   };
9518   char *filename = getElementDescriptionFilename(properties_element);
9519   char *percentage_text = "In this level: ";
9520   char *properties_text = "Standard properties: ";
9521   char *description_text = "Description:";
9522   char *no_description_text = "No description available.";
9523   char *none_text = "None";
9524   float percentage;
9525   int num_elements_in_level;
9526   int num_standard_properties = 0;
9527   int font1_nr = FONT_TEXT_1;
9528   int font2_nr = FONT_TEXT_2;
9529   int font1_width = getFontWidth(font1_nr);
9530   int font1_height = getFontHeight(font1_nr);
9531   int font2_height = getFontHeight(font2_nr);
9532   int line1_height = font1_height + ED_GADGET_LINE_DISTANCE;
9533   int font2_yoffset = (font1_height - font2_height) / 2;
9534   int percentage_text_len = strlen(percentage_text) * font1_width;
9535   int properties_text_len = strlen(properties_text) * font1_width;
9536   int xpos = ED_ELEMENT_SETTINGS_X(0);
9537   int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
9538   int i, x, y;
9539
9540   if (setup.editor.show_element_token)
9541   {
9542     int font3_nr = FONT_TEXT_3;
9543     int font3_height = getFontHeight(font3_nr);
9544
9545     DrawTextF(xpos, ypos, font3_nr,
9546               "[%s]", element_info[properties_element].token_name);
9547
9548     ypos += 2 * font3_height;
9549   }
9550
9551   // ----- print number of elements / percentage of this element in level
9552
9553   num_elements_in_level = 0;
9554   for (y = 0; y < lev_fieldy; y++)
9555     for (x = 0; x < lev_fieldx; x++)
9556       if (Feld[x][y] == properties_element)
9557         num_elements_in_level++;
9558   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
9559
9560   DrawTextS(xpos, ypos, font1_nr, percentage_text);
9561
9562   if (num_elements_in_level > 0)
9563     DrawTextF(xpos + percentage_text_len, ypos + font2_yoffset, font2_nr,
9564               "%d (%.2f %%)", num_elements_in_level, percentage);
9565   else
9566     DrawTextF(xpos + percentage_text_len, ypos + font2_yoffset, font2_nr,
9567               none_text);
9568
9569   ypos += 2 * MAX(font1_height, font2_height);
9570
9571   // ----- print standard properties of this element
9572
9573   DrawTextS(xpos, ypos, font1_nr, properties_text);
9574
9575   ypos += line1_height;
9576
9577   for (i = 0; properties[i].value != -1; i++)
9578   {
9579     if (!HAS_PROPERTY(properties_element, properties[i].value))
9580       continue;
9581
9582     DrawTextS(xpos, ypos, font2_nr, properties[i].text);
9583
9584     ypos += font2_height;
9585
9586     num_standard_properties++;
9587   }
9588
9589   if (num_standard_properties == 0)
9590   {
9591     DrawTextS(xpos + properties_text_len, ypos - line1_height + font2_yoffset,
9592               font2_nr, none_text);
9593
9594     ypos -= (line1_height - font1_height);
9595   }
9596
9597   ypos += MAX(font1_height, font2_height);
9598
9599   // ----- print special description of this element
9600
9601   PrintInfoText(description_text, font1_nr, xpos, ypos);
9602
9603   ypos += line1_height;
9604
9605   if (PrintElementDescriptionFromFile(filename, font2_nr, xpos, ypos) == 0)
9606     PrintInfoText(no_description_text, font1_nr, xpos, ypos - line1_height);
9607 }
9608
9609 #define TEXT_COLLECTING         "Score for collecting"
9610 #define TEXT_SMASHING           "Score for smashing"
9611 #define TEXT_SLURPING           "Score for slurping robot"
9612 #define TEXT_CRACKING           "Score for cracking"
9613 #define TEXT_AMOEBA_SPEED       "Speed of amoeba growth"
9614 #define TEXT_DURATION           "Duration when activated"
9615 #define TEXT_DELAY_ON           "Delay before activating"
9616 #define TEXT_DELAY_OFF          "Delay before deactivating"
9617 #define TEXT_DELAY_EXPLODING    "Delay before exploding"
9618 #define TEXT_DELAY_MOVING       "Delay before moving"
9619 #define TEXT_BALL_DELAY         "Element generation delay"
9620 #define TEXT_MOVE_SPEED         "Speed of android moving"
9621 #define TEXT_CLONE_SPEED        "Speed of android cloning"
9622 #define TEXT_GAME_OF_LIFE_1     "Min neighbours to survive"
9623 #define TEXT_GAME_OF_LIFE_2     "Max neighbours to survive"
9624 #define TEXT_GAME_OF_LIFE_3     "Min neighbours to create"
9625 #define TEXT_GAME_OF_LIFE_4     "Max neighbours to create"
9626 #define TEXT_TIME_BONUS         "Extra time to solve level"
9627
9628 static struct
9629 {
9630   int element;
9631   int *value;
9632   char *text;
9633 } elements_with_counter[] =
9634 {
9635   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
9636   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
9637   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
9638   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
9639   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
9640   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
9641   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
9642   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
9643   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
9644   { EL_BUG,             &level.score[SC_BUG],           TEXT_SMASHING   },
9645   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
9646   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
9647   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
9648   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
9649   { EL_BD_BUTTERFLY,    &level.score[SC_BUG],           TEXT_SMASHING   },
9650   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
9651   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
9652   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
9653   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
9654   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
9655   { EL_SPACESHIP,       &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9656   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9657   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9658   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9659   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9660   { EL_BD_FIREFLY,      &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9661   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9662   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9663   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9664   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9665   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9666   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9667   { EL_YAMYAM_LEFT,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9668   { EL_YAMYAM_RIGHT,    &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9669   { EL_YAMYAM_UP,       &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9670   { EL_YAMYAM_DOWN,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9671   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9672   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
9673   { EL_PACMAN,          &level.score[SC_PACMAN],        TEXT_SMASHING   },
9674   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
9675   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
9676   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
9677   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
9678   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
9679   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
9680   { EL_EM_DYNAMITE,     &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
9681   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
9682   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],TEXT_COLLECTING },
9683   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],TEXT_COLLECTING },
9684   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
9685   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
9686   { EL_EXTRA_TIME,      &level.extra_time_score,        TEXT_COLLECTING },
9687   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
9688   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
9689   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
9690   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
9691   { EL_EM_KEY_1,        &level.score[SC_KEY],           TEXT_COLLECTING },
9692   { EL_EM_KEY_2,        &level.score[SC_KEY],           TEXT_COLLECTING },
9693   { EL_EM_KEY_3,        &level.score[SC_KEY],           TEXT_COLLECTING },
9694   { EL_EM_KEY_4,        &level.score[SC_KEY],           TEXT_COLLECTING },
9695   { EL_EMC_KEY_5,       &level.score[SC_KEY],           TEXT_COLLECTING },
9696   { EL_EMC_KEY_6,       &level.score[SC_KEY],           TEXT_COLLECTING },
9697   { EL_EMC_KEY_7,       &level.score[SC_KEY],           TEXT_COLLECTING },
9698   { EL_EMC_KEY_8,       &level.score[SC_KEY],           TEXT_COLLECTING },
9699   { EL_DC_KEY_WHITE,    &level.score[SC_KEY],           TEXT_COLLECTING },
9700   { EL_MM_KETTLE,       &level.score[SC_EMERALD],       TEXT_COLLECTING },
9701   { EL_DF_CELL,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
9702   { EL_MM_KEY,          &level.score[SC_KEY],           TEXT_COLLECTING },
9703   { EL_MM_LIGHTBALL,    &level.score[SC_ELEM_BONUS],    TEXT_COLLECTING },
9704   { EL_MM_PACMAN,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
9705   { EL_MM_PACMAN_RIGHT, &level.score[SC_PACMAN],        TEXT_SMASHING   },
9706   { EL_MM_PACMAN_UP,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
9707   { EL_MM_PACMAN_LEFT,  &level.score[SC_PACMAN],        TEXT_SMASHING   },
9708   { EL_MM_PACMAN_DOWN,  &level.score[SC_PACMAN],        TEXT_SMASHING   },
9709   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9710   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9711   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9712   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9713   { EL_EMC_DRIPPER,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9714   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
9715   { EL_BD_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
9716   { EL_DC_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
9717   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
9718
9719   { EL_TIMEGATE_SWITCH,   &level.time_timegate,         TEXT_DURATION   },
9720   { EL_DC_TIMEGATE_SWITCH,&level.time_timegate,         TEXT_DURATION   },
9721   { EL_LIGHT_SWITCH,    &level.time_light,              TEXT_DURATION   },
9722   { EL_LIGHT_SWITCH_ACTIVE, &level.time_light,          TEXT_DURATION   },
9723   { EL_SHIELD_NORMAL,   &level.shield_normal_time,      TEXT_DURATION   },
9724   { EL_SHIELD_DEADLY,   &level.shield_deadly_time,      TEXT_DURATION   },
9725   { EL_EXTRA_TIME,      &level.extra_time,              TEXT_TIME_BONUS },
9726   { EL_TIME_ORB_FULL,   &level.time_orb_time,           TEXT_TIME_BONUS },
9727   { EL_GAME_OF_LIFE,    &level.game_of_life[0],         TEXT_GAME_OF_LIFE_1 },
9728   { EL_GAME_OF_LIFE,    &level.game_of_life[1],         TEXT_GAME_OF_LIFE_2 },
9729   { EL_GAME_OF_LIFE,    &level.game_of_life[2],         TEXT_GAME_OF_LIFE_3 },
9730   { EL_GAME_OF_LIFE,    &level.game_of_life[3],         TEXT_GAME_OF_LIFE_4 },
9731   { EL_BIOMAZE,         &level.biomaze[0],              TEXT_GAME_OF_LIFE_1 },
9732   { EL_BIOMAZE,         &level.biomaze[1],              TEXT_GAME_OF_LIFE_2 },
9733   { EL_BIOMAZE,         &level.biomaze[2],              TEXT_GAME_OF_LIFE_3 },
9734   { EL_BIOMAZE,         &level.biomaze[3],              TEXT_GAME_OF_LIFE_4 },
9735
9736   { EL_EMC_ANDROID,     &level.android_move_time,       TEXT_MOVE_SPEED },
9737   { EL_EMC_ANDROID,     &level.android_clone_time,      TEXT_CLONE_SPEED },
9738   { EL_EMC_MAGIC_BALL,  &level.ball_time,               TEXT_BALL_DELAY },
9739   { EL_EMC_LENSES,      &level.lenses_score,            TEXT_COLLECTING },
9740   { EL_EMC_MAGNIFIER,   &level.magnify_score,           TEXT_COLLECTING },
9741   { EL_SPRING,          &level.slurp_score,             TEXT_SLURPING   },
9742   { EL_EMC_LENSES,      &level.lenses_time,             TEXT_DURATION   },
9743   { EL_EMC_MAGNIFIER,   &level.magnify_time,            TEXT_DURATION   },
9744   { EL_MM_FUSE_ACTIVE,  &level.mm_time_fuse,            TEXT_DELAY_OFF  },
9745   { EL_MM_BOMB,         &level.mm_time_bomb,            TEXT_DELAY_EXPLODING },
9746   { EL_MM_GRAY_BALL,    &level.mm_time_ball,            TEXT_DELAY_ON   },
9747   { EL_MM_STEEL_BLOCK,  &level.mm_time_block,           TEXT_DELAY_MOVING },
9748   { EL_MM_WOODEN_BLOCK, &level.mm_time_block,           TEXT_DELAY_MOVING },
9749
9750   { -1,                 NULL,                           NULL            }
9751 };
9752
9753 static boolean checkPropertiesConfig(int element)
9754 {
9755   int i;
9756
9757   if (IS_GEM(element) ||
9758       IS_CUSTOM_ELEMENT(element) ||
9759       IS_GROUP_ELEMENT(element) ||
9760       IS_BALLOON_ELEMENT(element) ||
9761       IS_ENVELOPE(element) ||
9762       IS_MM_MCDUFFIN(element) ||
9763       IS_DF_LASER(element) ||
9764       ELEM_IS_PLAYER(element) ||
9765       HAS_EDITOR_CONTENT(element) ||
9766       CAN_GROW(element) ||
9767       COULD_MOVE_INTO_ACID(element) ||
9768       MAYBE_DONT_COLLIDE_WITH(element) ||
9769       element == EL_SOKOBAN_OBJECT ||
9770       element == EL_SOKOBAN_FIELD_EMPTY ||
9771       element == EL_SOKOBAN_FIELD_FULL)
9772     return TRUE;
9773   else
9774     for (i = 0; elements_with_counter[i].element != -1; i++)
9775       if (elements_with_counter[i].element == element)
9776         return TRUE;
9777
9778   return FALSE;
9779 }
9780
9781 static void SetAutomaticNumberOfGemsNeeded(void)
9782 {
9783   int x, y;
9784
9785   if (!level.auto_count_gems)
9786     return;
9787
9788   level.gems_needed = 0;
9789
9790   for (x = 0; x < lev_fieldx; x++)
9791   {
9792     for (y = 0; y < lev_fieldy; y++)
9793     {
9794       int element = Feld[x][y];
9795
9796       switch (element)
9797       {
9798         case EL_EMERALD:
9799         case EL_EMERALD_YELLOW:
9800         case EL_EMERALD_RED:
9801         case EL_EMERALD_PURPLE:
9802         case EL_BD_DIAMOND:
9803         case EL_WALL_EMERALD:
9804         case EL_WALL_EMERALD_YELLOW:
9805         case EL_WALL_EMERALD_RED:
9806         case EL_WALL_EMERALD_PURPLE:
9807         case EL_WALL_BD_DIAMOND:
9808         case EL_NUT:
9809         case EL_SP_INFOTRON:
9810         case EL_MM_KETTLE:
9811         case EL_DF_CELL:
9812           level.gems_needed++;
9813           break;
9814
9815         case EL_DIAMOND:
9816         case EL_WALL_DIAMOND:
9817           level.gems_needed += 3;
9818           break;
9819
9820         case EL_PEARL:
9821         case EL_WALL_PEARL:
9822           level.gems_needed += 5;
9823           break;
9824
9825         case EL_CRYSTAL:
9826         case EL_WALL_CRYSTAL:
9827           level.gems_needed += 8;
9828           break;
9829
9830         default:
9831           break;
9832       }
9833     }
9834   }
9835
9836   ModifyEditorCounterValue(ED_COUNTER_ID_LEVEL_GEMSLIMIT, level.gems_needed);
9837 }
9838
9839 static void DrawPropertiesConfig(void)
9840 {
9841   boolean draw_footer_line = FALSE;
9842   int max_num_element_counters = 4;
9843   int num_element_counters = 0;
9844   int i;
9845
9846   if (!checkPropertiesConfig(properties_element))
9847   {
9848     int xpos = ED_ELEMENT_SETTINGS_X(0);
9849     int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
9850
9851     PrintInfoText("No configuration options available.",
9852                   FONT_TEXT_1, xpos, ypos);
9853
9854     return;
9855   }
9856
9857   // check if there are elements where a value can be chosen for
9858   for (i = 0; elements_with_counter[i].element != -1; i++)
9859   {
9860     if (elements_with_counter[i].element == properties_element)
9861     {
9862       int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
9863
9864       counterbutton_info[counter_id].y =
9865         ED_ELEMENT_SETTINGS_YPOS(
9866                 (HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
9867                 (CAN_GROW(properties_element)                ? 1 : 0) +
9868                 (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
9869                 (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
9870                 (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
9871                 num_element_counters);
9872
9873       counterbutton_info[counter_id].value = elements_with_counter[i].value;
9874       counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
9875
9876       if (properties_element == EL_GAME_OF_LIFE ||
9877           properties_element == EL_BIOMAZE)
9878       {
9879         counterbutton_info[counter_id].min_value = 0;   // min neighbours
9880         counterbutton_info[counter_id].max_value = 8;   // max neighbours
9881       }
9882       else
9883       {
9884         // !!! CHANGE THIS FOR CERTAIN ELEMENTS !!!
9885         counterbutton_info[counter_id].min_value = MIN_SCORE;
9886         counterbutton_info[counter_id].max_value = MAX_SCORE;
9887       }
9888
9889       MapCounterButtons(counter_id);
9890
9891       num_element_counters++;
9892       if (num_element_counters >= max_num_element_counters)
9893         break;
9894     }
9895   }
9896
9897   if (HAS_EDITOR_CONTENT(properties_element))
9898   {
9899     // draw stickybutton gadget
9900     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9901
9902     if (IS_AMOEBOID(properties_element))
9903       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
9904     else if (properties_element == EL_YAMYAM ||
9905              properties_element == EL_YAMYAM_LEFT ||
9906              properties_element == EL_YAMYAM_RIGHT ||
9907              properties_element == EL_YAMYAM_UP ||
9908              properties_element == EL_YAMYAM_DOWN)
9909       DrawYamYamContentAreas();
9910     else if (properties_element == EL_EMC_MAGIC_BALL)
9911     {
9912       DrawMagicBallContentAreas();
9913
9914       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
9915       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE);
9916     }
9917     else if (properties_element == EL_EMC_ANDROID)
9918       DrawAndroidElementArea(properties_element);
9919   }
9920
9921   if (ELEM_IS_PLAYER(properties_element))
9922   {
9923     int player_nr = GET_PLAYER_NR(properties_element);
9924
9925     // these properties can be set for every player individually
9926
9927     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
9928     {
9929       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
9930         &level.start_element[player_nr];
9931       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
9932         &level.artwork_element[player_nr];
9933       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
9934         &level.explosion_element[player_nr];
9935
9936       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
9937         &level.use_start_element[player_nr];
9938       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
9939         &level.use_artwork_element[player_nr];
9940       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
9941         &level.use_explosion_element[player_nr];
9942       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
9943         &level.initial_player_gravity[player_nr];
9944
9945       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
9946         &level.initial_player_stepsize[player_nr];
9947
9948       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
9949       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
9950                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
9951                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
9952       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
9953       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
9954       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
9955       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
9956       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_LAZY_RELOCATION);
9957       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
9958       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
9959       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
9960       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
9961       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
9962       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER);
9963
9964       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
9965       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
9966       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
9967
9968       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
9969     }
9970     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
9971     {
9972       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
9973         &level.initial_inventory_content[player_nr][0];
9974
9975       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
9976         &level.initial_inventory_size[player_nr];
9977
9978       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
9979         &level.use_initial_inventory[player_nr];
9980
9981       // draw checkbutton gadgets
9982       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
9983
9984       // draw counter gadgets
9985       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
9986
9987       // draw drawing area gadgets
9988       DrawPlayerInitialInventoryArea(properties_element);
9989     }
9990   }
9991
9992   if (IS_GEM(properties_element))
9993     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
9994
9995   if (properties_element == EL_EM_DYNAMITE)
9996     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
9997
9998   if (COULD_MOVE_INTO_ACID(properties_element) &&
9999       !ELEM_IS_PLAYER(properties_element) &&
10000       (!IS_CUSTOM_ELEMENT(properties_element) ||
10001        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
10002   {
10003     // set position for checkbutton for "can move into acid"
10004     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
10005       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
10006     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
10007       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 6 :
10008                                IS_BALLOON_ELEMENT(properties_element) ||
10009                                HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
10010
10011     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
10012   }
10013
10014   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
10015     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
10016
10017   if (properties_element == EL_SPRING)
10018     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
10019
10020   if (properties_element == EL_TIME_ORB_FULL)
10021     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
10022
10023   if (properties_element == EL_GAME_OF_LIFE ||
10024       properties_element == EL_BIOMAZE)
10025     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_LIFE_BUGS);
10026
10027   if (CAN_GROW(properties_element))
10028   {
10029     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
10030       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
10031
10032     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
10033   }
10034
10035   if (properties_element == EL_SOKOBAN_FIELD_EMPTY)
10036     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED);
10037
10038   if (properties_element == EL_SOKOBAN_OBJECT)
10039     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED);
10040
10041   if (properties_element == EL_SOKOBAN_OBJECT ||
10042       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
10043       properties_element == EL_SOKOBAN_FIELD_FULL)
10044   {
10045     checkbutton_info[ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN].y =
10046       ED_ELEMENT_SETTINGS_XPOS(properties_element == EL_SOKOBAN_FIELD_FULL ?
10047                                0 : 1);
10048
10049     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
10050   }
10051
10052   if (IS_BALLOON_ELEMENT(properties_element))
10053     MapSelectboxGadget(ED_SELECTBOX_ID_WIND_DIRECTION);
10054
10055   if (IS_ENVELOPE(properties_element))
10056   {
10057     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
10058     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
10059     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
10060     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
10061     int envelope_nr = properties_element - EL_ENVELOPE_1;
10062
10063     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
10064     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
10065
10066     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
10067     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
10068
10069     // display counter to choose size of envelope text area
10070     MapCounterButtons(counter1_id);
10071     MapCounterButtons(counter2_id);
10072
10073     // display checkbuttons to choose auto-wrap and alignment properties
10074     MapCheckbuttonGadget(button1_id);
10075     MapCheckbuttonGadget(button2_id);
10076
10077     DrawEnvelopeTextArea(envelope_nr);
10078   }
10079
10080   if (IS_MM_MCDUFFIN(properties_element))
10081   {
10082     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_RED);
10083     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_GREEN);
10084     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_BLUE);
10085   }
10086
10087   if (IS_DF_LASER(properties_element))
10088   {
10089     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_RED);
10090     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_GREEN);
10091     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_BLUE);
10092   }
10093
10094   if (IS_CUSTOM_ELEMENT(properties_element))
10095   {
10096     // draw stickybutton gadget
10097     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
10098
10099     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
10100     {
10101       // draw checkbutton gadgets
10102       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
10103            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
10104         MapCheckbuttonGadget(i);
10105
10106       // draw counter gadgets
10107       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
10108            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
10109         MapCounterButtons(i);
10110
10111       // draw selectbox gadgets
10112       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
10113            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
10114         MapSelectboxGadget(i);
10115
10116       // draw textbutton gadgets
10117       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
10118
10119       // draw text input gadgets
10120       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
10121
10122       // draw drawing area gadgets
10123       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
10124
10125       draw_footer_line = TRUE;
10126     }
10127     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
10128     {
10129       // draw checkbutton gadgets
10130       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
10131            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
10132         MapCheckbuttonGadget(i);
10133
10134       // draw counter gadgets
10135       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
10136            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
10137         MapCounterButtons(i);
10138
10139       // draw selectbox gadgets
10140       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
10141            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
10142         MapSelectboxGadget(i);
10143
10144       // draw drawing area gadgets
10145       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
10146       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
10147       DrawCustomContentArea();
10148     }
10149   }
10150   else if (IS_GROUP_ELEMENT(properties_element))
10151   {
10152     // draw stickybutton gadget
10153     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
10154
10155     // draw checkbutton gadgets
10156     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
10157     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
10158
10159     // draw counter gadgets
10160     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
10161
10162     // draw selectbox gadgets
10163     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
10164
10165     // draw textbutton gadgets
10166     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
10167
10168     // draw drawing area gadgets
10169     DrawGroupElementArea(properties_element);
10170
10171     // draw text input gadgets
10172     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
10173
10174     // draw drawing area gadgets
10175     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
10176
10177     draw_footer_line = TRUE;
10178   }
10179
10180   // draw little footer border line above CE/GE use/save template gadgets
10181   if (draw_footer_line)
10182   {
10183     struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
10184     struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
10185     int gd_x = gd->x + gd_gi1->border.width / 2;
10186     int gd_y = gd->y + gd_gi1->height - 1;
10187     Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
10188
10189     if (tab_color != BLACK_PIXEL)               // black => transparent
10190       FillRectangle(drawto,
10191                     SX + ED_ELEMENT_SETTINGS_X(0),
10192                     SY + ED_ELEMENT_SETTINGS_Y(14) - ED_SETTINGS_TABS_YOFFSET -
10193                     ED_TAB_BAR_HEIGHT,
10194                     getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
10195   }
10196 }
10197
10198 static void DrawPropertiesChangeDrawingAreas(void)
10199 {
10200   if (IS_CUSTOM_ELEMENT(properties_element))
10201   {
10202     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
10203     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
10204     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
10205
10206     DrawCustomChangeContentArea();
10207   }
10208
10209   redraw_mask |= REDRAW_FIELD;
10210 }
10211
10212 static void DrawPropertiesChange(void)
10213 {
10214   int i;
10215
10216   // needed to initially set selectbox options for special action options
10217   setSelectboxSpecialActionOptions();
10218
10219   // draw stickybutton gadget
10220   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
10221
10222   // draw checkbutton gadgets
10223   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
10224        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
10225     MapCheckbuttonGadget(i);
10226
10227   // draw counter gadgets
10228   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
10229        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
10230     MapCounterButtons(i);
10231
10232   // draw selectbox gadgets
10233   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
10234        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
10235     MapSelectboxGadget(i);
10236
10237   // draw textbutton gadgets
10238   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
10239        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
10240     MapTextbuttonGadget(i);
10241
10242   // draw graphicbutton gadgets
10243   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
10244        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
10245     MapGraphicbuttonGadget(i);
10246
10247   // draw drawing area gadgets
10248   DrawPropertiesChangeDrawingAreas();
10249 }
10250
10251 static void DrawEditorElementAnimation(int x, int y)
10252 {
10253   int graphic = el2img(properties_element);
10254   int frame = (ANIM_MODE(graphic) == ANIM_CE_VALUE ?
10255                custom_element.ce_value_fixed_initial :
10256                ANIM_MODE(graphic) == ANIM_CE_SCORE ?
10257                custom_element.collect_score_initial : FrameCounter);
10258
10259   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
10260 }
10261
10262 static void DrawEditorElementName(int x, int y, int font_nr)
10263 {
10264   char *element_name = getElementInfoText(properties_element);
10265   int font_width = getFontWidth(font_nr);
10266   int font_height = getFontHeight(font_nr);
10267   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_X(0);
10268   int max_chars_per_line = max_text_width / font_width;
10269   char buffer[max_chars_per_line + 1];
10270
10271   if (strlen(element_name) <= max_chars_per_line)
10272     DrawTextS(x, y, font_nr, element_name);
10273   else
10274   {
10275     int next_pos = max_chars_per_line;
10276
10277     strncpy(buffer, element_name, max_chars_per_line);
10278     buffer[max_chars_per_line] = '\0';
10279
10280     if (element_name[max_chars_per_line] == ' ')
10281       next_pos++;
10282     else
10283     {
10284       int i;
10285
10286       for (i = max_chars_per_line - 1; i >= 0; i--)
10287         if (buffer[i] == ' ')
10288           break;
10289
10290       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
10291       {
10292         buffer[i] = '\0';
10293         next_pos = i + 1;
10294       }
10295     }
10296
10297     DrawTextS(x, y - font_height / 2, font_nr, buffer);
10298
10299     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
10300     buffer[max_chars_per_line] = '\0';
10301
10302     DrawTextS(x, y + font_height / 2, font_nr, buffer);
10303   }
10304 }
10305
10306 static void DrawPropertiesWindow(void)
10307 {
10308   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
10309   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
10310   int border_size = gd->border_size;
10311   int font_nr = FONT_TEXT_1;
10312   int font_height = getFontHeight(font_nr);
10313   int xoffset = TILEX + element_border + 3 * border_size;
10314   int yoffset = (TILEY - font_height) / 2;
10315   int x1 = editor.settings.element_graphic.x + element_border;
10316   int y1 = editor.settings.element_graphic.y + element_border;
10317   int x2 = (editor.settings.element_name.x == -1 ? x1 + xoffset :
10318             editor.settings.element_name.x);
10319   int y2 = (editor.settings.element_name.y == -1 ? y1 + yoffset :
10320             editor.settings.element_name.y);
10321   char *text = "Element Settings";
10322   int font2_nr = FONT_TITLE_1;
10323   struct MenuPosInfo *pos = &editor.settings.headline;
10324   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font2_nr), pos->align);
10325   int sy = SY + pos->y;
10326
10327   stick_element_properties_window = FALSE;
10328
10329   // make sure that previous properties edit mode exists for this element
10330   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
10331       !IS_CUSTOM_ELEMENT(properties_element))
10332     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
10333
10334   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
10335       !ELEM_IS_PLAYER(properties_element) &&
10336       !IS_CUSTOM_ELEMENT(properties_element))
10337     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
10338
10339   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
10340       (ELEM_IS_PLAYER(properties_element) ||
10341        IS_CUSTOM_ELEMENT(properties_element)))
10342     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
10343
10344   CopyElementPropertiesToEditor(properties_element);
10345
10346   UnmapLevelEditorFieldGadgets();
10347   UnmapLevelEditorToolboxDrawingGadgets();
10348   UnmapLevelEditorToolboxCustomGadgets();
10349
10350   if (IS_CUSTOM_ELEMENT(properties_element) ||
10351       IS_GROUP_ELEMENT(properties_element))
10352     MapLevelEditorToolboxCustomGadgets();
10353
10354   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
10355   ClearField();
10356
10357   DrawText(sx, sy, text, font2_nr);
10358
10359   FrameCounter = 0;     // restart animation frame counter
10360
10361   DrawElementBorder(SX + x1, SY + y1, TILEX, TILEY, FALSE);
10362   DrawEditorElementAnimation(SX + x1, SY + y1);
10363   DrawEditorElementName(x2, y2, font_nr);
10364
10365   DrawPropertiesTabulatorGadgets();
10366
10367   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
10368     DrawPropertiesInfo();
10369   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
10370     DrawPropertiesChange();
10371   else  // (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2])
10372     DrawPropertiesConfig();
10373 }
10374
10375 static void DrawPaletteWindow(void)
10376 {
10377   int i;
10378
10379   UnmapLevelEditorFieldGadgets();
10380
10381   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
10382   ClearField();
10383
10384   // map buttons to select elements
10385   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
10386     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
10387   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
10388   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
10389   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
10390 }
10391
10392 static void UpdateCustomElementGraphicGadgets(void)
10393 {
10394   int i;
10395
10396   InitElementPropertiesGfxElement();
10397
10398   ModifyEditorElementList();
10399   RedrawDrawingElements();
10400
10401   // force redraw of all mapped drawing area gadgets
10402   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
10403   {
10404     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
10405
10406     if (gi->mapped)
10407       MapDrawingArea(i);
10408   }
10409 }
10410
10411 static int getOpenDirectionFromTube(int element)
10412 {
10413   switch (element)
10414   {
10415     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
10416     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
10417     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
10418     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
10419     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
10420     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
10421     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
10422     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
10423     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
10424     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
10425     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
10426   }
10427
10428   return MV_NONE;
10429 }
10430
10431 static int getTubeFromOpenDirection(int direction)
10432 {
10433   switch (direction)
10434   {
10435     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
10436     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
10437     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
10438     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
10439     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
10440     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
10441     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
10442     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
10443     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
10444     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
10445     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
10446
10447     // if only one direction, fall back to simple tube with that direction
10448     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
10449     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
10450     case (MV_UP):                       return EL_TUBE_VERTICAL;
10451     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
10452   }
10453
10454   return EL_EMPTY;
10455 }
10456
10457 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
10458 {
10459   int element_new = getTubeFromOpenDirection(direction);
10460
10461   return (element_new != EL_EMPTY ? element_new : element_old);
10462 }
10463
10464 static int getOpenDirectionFromBelt(int element)
10465 {
10466   int belt_dir = getBeltDirFromBeltElement(element);
10467
10468   return (belt_dir == MV_LEFT ? MV_RIGHT :
10469           belt_dir == MV_RIGHT ? MV_LEFT :
10470           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
10471 }
10472
10473 static int getBeltFromNrAndOpenDirection(int nr, int direction)
10474 {
10475   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
10476                   direction == MV_RIGHT ? MV_LEFT :
10477                   direction == MV_HORIZONTAL ? MV_NONE : direction);
10478
10479   if (direction == MV_NONE)
10480     return EL_EMPTY;
10481
10482   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
10483 }
10484
10485 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
10486                                                  int element_old)
10487 {
10488   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
10489
10490   return (element_new != EL_EMPTY ? element_new : element_old);
10491 }
10492
10493 static int getOpenDirectionFromPool(int element)
10494 {
10495   switch (element)
10496   {
10497     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
10498     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
10499     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
10500     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
10501     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
10502     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
10503   }
10504
10505   return MV_NONE;
10506 }
10507
10508 static int getPoolFromOpenDirection(int direction)
10509 {
10510   switch (direction)
10511   {
10512     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
10513     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
10514     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
10515     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
10516     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
10517     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
10518   }
10519
10520   return EL_EMPTY;
10521 }
10522
10523 static int getPoolFromOpenDirectionExt(int direction, int help_element)
10524 {
10525   int element = getPoolFromOpenDirection(direction);
10526   int help_direction = getOpenDirectionFromPool(help_element);
10527
10528   if (element == EL_EMPTY)
10529   {
10530     int help_direction_vertical = help_direction & MV_VERTICAL;
10531
10532     element = getPoolFromOpenDirection(direction | help_direction_vertical);
10533   }
10534
10535   if (element == EL_EMPTY)
10536   {
10537     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
10538
10539     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
10540   }
10541
10542   return element;
10543 }
10544
10545 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
10546 {
10547   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
10548
10549   return (element_new != EL_EMPTY ? element_new : element_old);
10550 }
10551
10552 static int getOpenDirectionFromPillar(int element)
10553 {
10554   switch (element)
10555   {
10556     case EL_EMC_WALL_1:                 return (MV_DOWN);
10557     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
10558     case EL_EMC_WALL_3:                 return (MV_UP);
10559   }
10560
10561   return MV_NONE;
10562 }
10563
10564 static int getPillarFromOpenDirection(int direction)
10565 {
10566   switch (direction)
10567   {
10568     case (MV_DOWN):                     return EL_EMC_WALL_1;
10569     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
10570     case (MV_UP):                       return EL_EMC_WALL_3;
10571   }
10572
10573   return EL_EMPTY;
10574 }
10575
10576 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
10577 {
10578   int element_new = getPillarFromOpenDirection(direction);
10579
10580   return (element_new != EL_EMPTY ? element_new : element_old);
10581 }
10582
10583 static int getOpenDirectionFromSteel2(int element)
10584 {
10585   switch (element)
10586   {
10587     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
10588     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
10589     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
10590     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
10591     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
10592     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
10593     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
10594     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
10595   }
10596
10597   return MV_NONE;
10598 }
10599
10600 static int getSteel2FromOpenDirection(int direction)
10601 {
10602   switch (direction)
10603   {
10604     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
10605     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
10606     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
10607     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
10608     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
10609     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
10610     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
10611     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
10612   }
10613
10614   return EL_EMPTY;
10615 }
10616
10617 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
10618 {
10619   int element_new = getSteel2FromOpenDirection(direction);
10620
10621   return (element_new != EL_EMPTY ? element_new : element_old);
10622 }
10623
10624 static int getOpenDirectionFromChip(int element)
10625 {
10626   switch (element)
10627   {
10628     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
10629     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
10630     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
10631     case EL_SP_CHIP_TOP:                return (MV_DOWN);
10632     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
10633   }
10634
10635   return MV_NONE;
10636 }
10637
10638 static int getChipFromOpenDirection(int direction)
10639 {
10640   switch (direction)
10641   {
10642     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
10643     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
10644     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
10645     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
10646     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
10647   }
10648
10649   return EL_EMPTY;
10650 }
10651
10652 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
10653 {
10654   int element_new = getChipFromOpenDirection(direction);
10655
10656   return (element_new != EL_EMPTY ? element_new : element_old);
10657 }
10658
10659 static int getClosedTube(int x, int y)
10660 {
10661   static int xy[4][2] =
10662   {
10663     { -1, 0 },
10664     { +1, 0 },
10665     { 0, -1 },
10666     { 0, +1 }
10667   };
10668   int element_old = IntelliDrawBuffer[x][y];
10669   int direction_old = getOpenDirectionFromTube(element_old);
10670   int direction_new = MV_NONE;
10671   int i;
10672
10673   for (i = 0; i < NUM_DIRECTIONS; i++)
10674   {
10675     int xx = x + xy[i][0];
10676     int yy = y + xy[i][1];
10677     int dir = MV_DIR_FROM_BIT(i);
10678     int dir_opposite = MV_DIR_OPPOSITE(dir);
10679
10680     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
10681         (direction_old & dir) &&
10682         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10683       direction_new |= dir;
10684   }
10685
10686   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
10687 }
10688
10689 static int getClosedBelt(int x, int y)
10690 {
10691   static int xy[4][2] =
10692   {
10693     { -1, 0 },
10694     { +1, 0 },
10695     { 0, -1 },
10696     { 0, +1 }
10697   };
10698   int element_old = IntelliDrawBuffer[x][y];
10699   int nr = getBeltNrFromBeltElement(element_old);
10700   int direction_old = getOpenDirectionFromBelt(element_old);
10701   int direction_new = MV_NONE;
10702   int i;
10703
10704   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
10705   {
10706     int xx = x + xy[i][0];
10707     int yy = y + xy[i][1];
10708     int dir = MV_DIR_FROM_BIT(i);
10709     int dir_opposite = MV_DIR_OPPOSITE(dir);
10710
10711     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
10712         (direction_old & dir) &&
10713         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10714       direction_new |= dir;
10715   }
10716
10717   return getBeltFromNrAndOpenDirection(nr, direction_new);
10718 }
10719
10720 static int getClosedPool(int x, int y)
10721 {
10722   static int xy[4][2] =
10723   {
10724     { -1, 0 },
10725     { +1, 0 },
10726     { 0, -1 },
10727     { 0, +1 }
10728   };
10729   int element_old = IntelliDrawBuffer[x][y];
10730   int direction_old = getOpenDirectionFromPool(element_old);
10731   int direction_new = MV_NONE;
10732   int i;
10733
10734   for (i = 0; i < NUM_DIRECTIONS; i++)
10735   {
10736     int xx = x + xy[i][0];
10737     int yy = y + xy[i][1];
10738     int dir = MV_DIR_FROM_BIT(i);
10739     int dir_opposite = MV_DIR_OPPOSITE(dir);
10740
10741     if (IN_LEV_FIELD(xx, yy) &&
10742         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
10743         (direction_old & dir) &&
10744         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10745       direction_new |= dir;
10746   }
10747
10748   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
10749 }
10750
10751 static int getClosedPillar(int x, int y)
10752 {
10753   static int xy[4][2] =
10754   {
10755     { -1, 0 },
10756     { +1, 0 },
10757     { 0, -1 },
10758     { 0, +1 }
10759   };
10760   int element_old = IntelliDrawBuffer[x][y];
10761   int direction_old = getOpenDirectionFromPillar(element_old);
10762   int direction_new = MV_NONE;
10763   int i;
10764
10765   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
10766   {
10767     int xx = x + xy[i][0];
10768     int yy = y + xy[i][1];
10769     int dir = MV_DIR_FROM_BIT(i);
10770     int dir_opposite = MV_DIR_OPPOSITE(dir);
10771
10772     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
10773         (direction_old & dir) &&
10774         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10775       direction_new |= dir;
10776   }
10777
10778   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
10779 }
10780
10781 static int getClosedSteel2(int x, int y)
10782 {
10783   static int xy[4][2] =
10784   {
10785     { -1, 0 },
10786     { +1, 0 },
10787     { 0, -1 },
10788     { 0, +1 }
10789   };
10790   int element_old = IntelliDrawBuffer[x][y];
10791   int direction_old = getOpenDirectionFromSteel2(element_old);
10792   int direction_new = MV_NONE;
10793   int i;
10794
10795   for (i = 0; i < NUM_DIRECTIONS; i++)
10796   {
10797     int xx = x + xy[i][0];
10798     int yy = y + xy[i][1];
10799     int dir = MV_DIR_FROM_BIT(i);
10800     int dir_opposite = MV_DIR_OPPOSITE(dir);
10801
10802     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
10803         (direction_old & dir) &&
10804         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10805       direction_new |= dir;
10806   }
10807
10808   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
10809 }
10810
10811 static int getClosedChip(int x, int y)
10812 {
10813   static int xy[4][2] =
10814   {
10815     { -1, 0 },
10816     { +1, 0 },
10817     { 0, -1 },
10818     { 0, +1 }
10819   };
10820   int element_old = IntelliDrawBuffer[x][y];
10821   int direction_old = getOpenDirectionFromChip(element_old);
10822   int direction_new = MV_NONE;
10823   int i;
10824
10825   for (i = 0; i < NUM_DIRECTIONS; i++)
10826   {
10827     int xx = x + xy[i][0];
10828     int yy = y + xy[i][1];
10829     int dir = MV_DIR_FROM_BIT(i);
10830     int dir_opposite = MV_DIR_OPPOSITE(dir);
10831
10832     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
10833         (direction_old & dir) &&
10834         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10835       direction_new |= dir;
10836   }
10837
10838   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
10839 }
10840
10841 static void SetElementSimpleExt(int x, int y, int dx, int dy, int element,
10842                                 boolean change_level)
10843 {
10844   int sx = x - level_xpos;
10845   int sy = y - level_ypos;
10846   int old_element = Feld[x][y];
10847   int new_element = element;
10848   unsigned int new_bitmask = (getDrawModeHiRes() ? (dx + 1) << (dy * 2) : 0x0f);
10849   boolean draw_masked = FALSE;
10850
10851   if (IS_MM_WALL_EDITOR(element))
10852   {
10853     element = map_mm_wall_element_editor(element) | new_bitmask;
10854
10855     if (IS_MM_WALL(old_element))
10856       element |= MM_WALL_BITS(old_element);
10857
10858     if (!change_level)
10859       draw_masked = TRUE;
10860   }
10861   else if (IS_MM_WALL(old_element) && element == EL_EMPTY)
10862   {
10863     int element_changed = old_element & ~new_bitmask;
10864
10865     if (MM_WALL_BITS(element_changed) != 0)
10866       element = element_changed;
10867   }
10868
10869   IntelliDrawBuffer[x][y] = element;
10870
10871   if (change_level)
10872     Feld[x][y] = element;
10873
10874   if (IN_ED_FIELD(sx, sy))
10875   {
10876     if (IS_MM_WALL(old_element) && new_element == EL_EMPTY)
10877       DrawSizedWallParts_MM(sx, sy, EL_EMPTY, ed_tilesize, FALSE, new_bitmask);
10878     else if (draw_masked)
10879       DrawEditorElementThruMask(sx, sy, element);
10880     else
10881       DrawEditorElement(sx, sy, element);
10882   }
10883 }
10884
10885 static void SetElementSimple(int x, int y, int element, boolean change_level)
10886 {
10887   SetElementSimpleExt(x, y, 0, 0, element, change_level);
10888 }
10889
10890 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
10891                                            int x2, int y2, int *element2,
10892                                            int (*close_function)(int, int),
10893                                            boolean change_level)
10894 {
10895   // set neighbour elements to newly determined connections
10896   SetElementSimple(x1, y1, *element1, change_level);
10897   SetElementSimple(x2, y2, *element2, change_level);
10898
10899   // remove all open connections of neighbour elements
10900   *element1 = close_function(x1, y1);
10901   *element2 = close_function(x2, y2);
10902
10903   // set neighbour elements to new, minimized connections
10904   SetElementSimple(x1, y1, *element1, change_level);
10905   SetElementSimple(x2, y2, *element2, change_level);
10906 }
10907
10908 static void SetElementIntelliDraw(int x, int y, int new_element,
10909                                   boolean change_level, int button)
10910 {
10911   static int xy[4][2] =
10912   {
10913     { -1, 0 },
10914     { +1, 0 },
10915     { 0, -1 },
10916     { 0, +1 }
10917   };
10918   static int last_x = -1;
10919   static int last_y = -1;
10920
10921   if (new_element == EL_UNDEFINED)
10922   {
10923     last_x = -1;
10924     last_y = -1;
10925
10926     return;
10927   }
10928
10929   int old_element = IntelliDrawBuffer[x][y];
10930
10931   if (IS_TUBE(new_element))
10932   {
10933     int last_element_new = EL_UNDEFINED;
10934     int direction = MV_NONE;
10935     int i;
10936
10937     // if old element is of same kind, keep all existing directions
10938     if (IS_TUBE(old_element))
10939       direction |= getOpenDirectionFromTube(old_element);
10940
10941     for (i = 0; i < NUM_DIRECTIONS; i++)
10942     {
10943       int xx = x + xy[i][0];
10944       int yy = y + xy[i][1];
10945
10946       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10947           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
10948       {
10949         int dir = MV_DIR_FROM_BIT(i);
10950         int dir_opposite = MV_DIR_OPPOSITE(dir);
10951         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10952         int last_direction_old = getOpenDirectionFromTube(last_element_old);
10953         int last_direction_new = last_direction_old | dir_opposite;
10954
10955         last_element_new = getTubeFromOpenDirection(last_direction_new);
10956
10957         direction |= dir;
10958       }
10959     }
10960
10961     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
10962
10963     if (last_element_new != EL_UNDEFINED)
10964       MergeAndCloseNeighbourElements(x, y, &new_element,
10965                                      last_x, last_y, &last_element_new,
10966                                      getClosedTube, change_level);
10967   }
10968   else if (IS_BELT(new_element))
10969   {
10970     int belt_nr = getBeltNrFromBeltElement(new_element);
10971     int last_element_new = EL_UNDEFINED;
10972     int direction = MV_NONE;
10973     int i;
10974
10975     // if old element is of same kind, keep all existing directions
10976     if (IS_BELT(old_element))
10977       direction |= getOpenDirectionFromBelt(old_element);
10978
10979     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
10980     {
10981       int xx = x + xy[i][0];
10982       int yy = y + xy[i][1];
10983
10984       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10985           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
10986       {
10987         int dir = MV_DIR_FROM_BIT(i);
10988         int dir_opposite = MV_DIR_OPPOSITE(dir);
10989         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10990         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
10991         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
10992         int last_direction_new = last_direction_old | dir_opposite;
10993
10994         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
10995                                                          last_direction_new);
10996         direction |= dir;
10997       }
10998     }
10999
11000     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
11001                                                         new_element);
11002     if (last_element_new != EL_UNDEFINED)
11003       MergeAndCloseNeighbourElements(x, y, &new_element,
11004                                      last_x, last_y, &last_element_new,
11005                                      getClosedBelt, change_level);
11006   }
11007   else if (IS_ACID_POOL_OR_ACID(new_element))
11008   {
11009     int last_element_new = EL_UNDEFINED;
11010     int direction = MV_NONE;
11011     int i;
11012
11013     // if old element is of same kind, keep all existing directions
11014     if (IS_ACID_POOL_OR_ACID(old_element))
11015       direction |= getOpenDirectionFromPool(old_element);
11016
11017     for (i = 0; i < NUM_DIRECTIONS; i++)
11018     {
11019       int xx = x + xy[i][0];
11020       int yy = y + xy[i][1];
11021
11022       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11023           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
11024       {
11025         int dir = MV_DIR_FROM_BIT(i);
11026         int dir_opposite = MV_DIR_OPPOSITE(dir);
11027         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11028         int last_direction_old = getOpenDirectionFromPool(last_element_old);
11029         int last_direction_new = last_direction_old | dir_opposite;
11030
11031         last_element_new = getPoolFromOpenDirection(last_direction_new);
11032
11033         direction |= dir;
11034       }
11035     }
11036
11037     // special corrections needed for intuitively correct acid pool drawing
11038     if (last_element_new == EL_EMPTY)
11039       last_element_new = new_element;
11040     else if (last_element_new != EL_UNDEFINED)
11041       new_element = last_element_new;
11042
11043     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
11044
11045     if (last_element_new != EL_UNDEFINED)
11046       MergeAndCloseNeighbourElements(x, y, &new_element,
11047                                      last_x, last_y, &last_element_new,
11048                                      getClosedPool, change_level);
11049   }
11050   else if (IS_EMC_PILLAR(new_element))
11051   {
11052     int last_element_new = EL_UNDEFINED;
11053     int direction = MV_NONE;
11054     int i;
11055
11056     // if old element is of same kind, keep all existing directions
11057     if (IS_EMC_PILLAR(old_element))
11058       direction |= getOpenDirectionFromPillar(old_element);
11059
11060     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
11061     {
11062       int xx = x + xy[i][0];
11063       int yy = y + xy[i][1];
11064
11065       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11066           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
11067       {
11068         int dir = MV_DIR_FROM_BIT(i);
11069         int dir_opposite = MV_DIR_OPPOSITE(dir);
11070         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11071         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
11072         int last_direction_new = last_direction_old | dir_opposite;
11073
11074         last_element_new = getPillarFromOpenDirection(last_direction_new);
11075
11076         direction |= dir;
11077       }
11078     }
11079
11080     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
11081
11082     if (last_element_new != EL_UNDEFINED)
11083       MergeAndCloseNeighbourElements(x, y, &new_element,
11084                                      last_x, last_y, &last_element_new,
11085                                      getClosedPillar, change_level);
11086   }
11087   else if (IS_DC_STEELWALL_2(new_element))
11088   {
11089     int last_element_new = EL_UNDEFINED;
11090     int direction = MV_NONE;
11091     int i;
11092
11093     // if old element is of same kind, keep all existing directions
11094     if (IS_DC_STEELWALL_2(old_element))
11095       direction |= getOpenDirectionFromSteel2(old_element);
11096
11097     for (i = 0; i < NUM_DIRECTIONS; i++)
11098     {
11099       int xx = x + xy[i][0];
11100       int yy = y + xy[i][1];
11101
11102       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11103           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
11104       {
11105         int dir = MV_DIR_FROM_BIT(i);
11106         int dir_opposite = MV_DIR_OPPOSITE(dir);
11107         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11108         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
11109         int last_direction_new = last_direction_old | dir_opposite;
11110
11111         last_element_new = getSteel2FromOpenDirection(last_direction_new);
11112
11113         direction |= dir;
11114       }
11115     }
11116
11117     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
11118
11119     if (last_element_new != EL_UNDEFINED)
11120       MergeAndCloseNeighbourElements(x, y, &new_element,
11121                                      last_x, last_y, &last_element_new,
11122                                      getClosedSteel2, change_level);
11123   }
11124   else if (IS_SP_CHIP(new_element))
11125   {
11126     int last_element_new = EL_UNDEFINED;
11127     int direction = MV_NONE;
11128     int i;
11129
11130     // (do not keep existing directions, regardless of kind of old element)
11131
11132     for (i = 0; i < NUM_DIRECTIONS; i++)
11133     {
11134       int xx = x + xy[i][0];
11135       int yy = y + xy[i][1];
11136
11137       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11138           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
11139       {
11140         int dir = MV_DIR_FROM_BIT(i);
11141         int dir_opposite = MV_DIR_OPPOSITE(dir);
11142         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11143         int last_direction_old = getOpenDirectionFromChip(last_element_old);
11144         int last_direction_new = last_direction_old | dir_opposite;
11145
11146         if (last_direction_old == MV_NONE)
11147         {
11148           last_element_new = getChipFromOpenDirection(last_direction_new);
11149           direction |= dir;
11150         }
11151         else if (last_direction_old & (dir | dir_opposite))
11152         {
11153           direction |= MV_DIR_OPPOSITE(last_direction_old);
11154         }
11155         else
11156         {
11157           direction |= MV_DIR_OPPOSITE(dir);
11158         }
11159       }
11160     }
11161
11162     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
11163
11164     if (last_element_new != EL_UNDEFINED)
11165       MergeAndCloseNeighbourElements(x, y, &new_element,
11166                                      last_x, last_y, &last_element_new,
11167                                      getClosedChip, change_level);
11168   }
11169   else if (IS_SP_HARDWARE_BASE(new_element))
11170   {
11171     int nr = GetSimpleRandom(6);
11172
11173     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
11174                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
11175                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
11176                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
11177                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
11178   }
11179   else if (new_element == EL_SP_HARDWARE_GREEN ||
11180            new_element == EL_SP_HARDWARE_BLUE ||
11181            new_element == EL_SP_HARDWARE_RED)
11182   {
11183     int nr = GetSimpleRandom(3);
11184
11185     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
11186                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
11187   }
11188   else if (IS_GROUP_ELEMENT(new_element))
11189   {
11190     boolean connected_drawing = FALSE;
11191     int i;
11192
11193     for (i = 0; i < NUM_DIRECTIONS; i++)
11194     {
11195       int xx = x + xy[i][0];
11196       int yy = y + xy[i][1];
11197
11198       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11199           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
11200         connected_drawing = TRUE;
11201     }
11202
11203     if (!connected_drawing)
11204       ResolveGroupElement(new_element);
11205
11206     new_element = GetElementFromGroupElement(new_element);
11207   }
11208   else if (IS_BELT_SWITCH(old_element))
11209   {
11210     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
11211     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
11212
11213     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
11214                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
11215
11216     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
11217   }
11218   else
11219   {
11220     static int swappable_elements[][2] =
11221     {
11222       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
11223       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
11224       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
11225       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
11226       { EL_EMERALD,                     EL_WALL_EMERALD                 },
11227       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
11228       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
11229       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
11230       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
11231       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
11232       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
11233       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
11234       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
11235       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
11236       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
11237       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
11238       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
11239       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
11240       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
11241       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
11242       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
11243       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
11244       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
11245       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
11246       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
11247       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
11248       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
11249       { EL_PEARL,                       EL_WALL_PEARL                   },
11250       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
11251       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
11252       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
11253       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
11254       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
11255       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
11256       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
11257       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
11258       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
11259       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
11260       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
11261       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
11262       { EL_MM_EXIT_CLOSED,              EL_MM_EXIT_OPEN                 },
11263       { EL_MM_FUSE,                     EL_MM_FUSE_ACTIVE               },
11264       { EL_MM_LIGHTBULB,                EL_MM_LIGHTBULB_ACTIVE          },
11265       { EL_MM_FUEL_EMPTY,               EL_MM_FUEL_FULL                 },
11266
11267       { -1,                             -1                              },
11268     };
11269     static int rotatable_elements_4[][4] =
11270     {
11271       {
11272         EL_BUG_UP,
11273         EL_BUG_RIGHT,
11274         EL_BUG_DOWN,
11275         EL_BUG_LEFT
11276       },
11277       {
11278         EL_SPACESHIP_UP,
11279         EL_SPACESHIP_RIGHT,
11280         EL_SPACESHIP_DOWN,
11281         EL_SPACESHIP_LEFT
11282       },
11283       {
11284         EL_BD_BUTTERFLY_UP,
11285         EL_BD_BUTTERFLY_RIGHT,
11286         EL_BD_BUTTERFLY_DOWN,
11287         EL_BD_BUTTERFLY_LEFT
11288       },
11289       {
11290         EL_BD_FIREFLY_UP,
11291         EL_BD_FIREFLY_RIGHT,
11292         EL_BD_FIREFLY_DOWN,
11293         EL_BD_FIREFLY_LEFT
11294       },
11295       {
11296         EL_PACMAN_UP,
11297         EL_PACMAN_RIGHT,
11298         EL_PACMAN_DOWN,
11299         EL_PACMAN_LEFT
11300       },
11301       {
11302         EL_YAMYAM_UP,
11303         EL_YAMYAM_RIGHT,
11304         EL_YAMYAM_DOWN,
11305         EL_YAMYAM_LEFT
11306       },
11307       {
11308         EL_ARROW_UP,
11309         EL_ARROW_RIGHT,
11310         EL_ARROW_DOWN,
11311         EL_ARROW_LEFT
11312       },
11313       {
11314         EL_SP_PORT_UP,
11315         EL_SP_PORT_RIGHT,
11316         EL_SP_PORT_DOWN,
11317         EL_SP_PORT_LEFT
11318       },
11319       {
11320         EL_SP_GRAVITY_PORT_UP,
11321         EL_SP_GRAVITY_PORT_RIGHT,
11322         EL_SP_GRAVITY_PORT_DOWN,
11323         EL_SP_GRAVITY_PORT_LEFT
11324       },
11325       {
11326         EL_SP_GRAVITY_ON_PORT_UP,
11327         EL_SP_GRAVITY_ON_PORT_RIGHT,
11328         EL_SP_GRAVITY_ON_PORT_DOWN,
11329         EL_SP_GRAVITY_ON_PORT_LEFT
11330       },
11331       {
11332         EL_SP_GRAVITY_OFF_PORT_UP,
11333         EL_SP_GRAVITY_OFF_PORT_RIGHT,
11334         EL_SP_GRAVITY_OFF_PORT_DOWN,
11335         EL_SP_GRAVITY_OFF_PORT_LEFT
11336       },
11337       {
11338         EL_MOLE_UP,
11339         EL_MOLE_RIGHT,
11340         EL_MOLE_DOWN,
11341         EL_MOLE_LEFT
11342       },
11343       {
11344         EL_BALLOON_SWITCH_UP,
11345         EL_BALLOON_SWITCH_RIGHT,
11346         EL_BALLOON_SWITCH_DOWN,
11347         EL_BALLOON_SWITCH_LEFT
11348       },
11349       {
11350         EL_MM_MCDUFFIN_UP,
11351         EL_MM_MCDUFFIN_RIGHT,
11352         EL_MM_MCDUFFIN_DOWN,
11353         EL_MM_MCDUFFIN_LEFT
11354       },
11355       {
11356         EL_MM_MIRROR_FIXED_1,
11357         EL_MM_MIRROR_FIXED_4,
11358         EL_MM_MIRROR_FIXED_3,
11359         EL_MM_MIRROR_FIXED_2
11360       },
11361       {
11362         EL_MM_STEEL_GRID_FIXED_1,
11363         EL_MM_STEEL_GRID_FIXED_4,
11364         EL_MM_STEEL_GRID_FIXED_2,
11365         EL_MM_STEEL_GRID_FIXED_3
11366       },
11367       {
11368         EL_MM_WOODEN_GRID_FIXED_1,
11369         EL_MM_WOODEN_GRID_FIXED_4,
11370         EL_MM_WOODEN_GRID_FIXED_2,
11371         EL_MM_WOODEN_GRID_FIXED_3
11372       },
11373       {
11374         EL_MM_POLARIZER_CROSS_1,
11375         EL_MM_POLARIZER_CROSS_4,
11376         EL_MM_POLARIZER_CROSS_3,
11377         EL_MM_POLARIZER_CROSS_2
11378       },
11379       {
11380         EL_MM_PACMAN_UP,
11381         EL_MM_PACMAN_RIGHT,
11382         EL_MM_PACMAN_DOWN,
11383         EL_MM_PACMAN_LEFT
11384       },
11385       {
11386         EL_DF_LASER_UP,
11387         EL_DF_LASER_RIGHT,
11388         EL_DF_LASER_DOWN,
11389         EL_DF_LASER_LEFT
11390       },
11391       {
11392         EL_DF_RECEIVER_UP,
11393         EL_DF_RECEIVER_RIGHT,
11394         EL_DF_RECEIVER_DOWN,
11395         EL_DF_RECEIVER_LEFT
11396       },
11397
11398       {
11399         -1,
11400       },
11401     };
11402     static int rotatable_elements_8[][8] =
11403     {
11404       {
11405         EL_DF_STEEL_GRID_FIXED_1,
11406         EL_DF_STEEL_GRID_FIXED_8,
11407         EL_DF_STEEL_GRID_FIXED_7,
11408         EL_DF_STEEL_GRID_FIXED_6,
11409         EL_DF_STEEL_GRID_FIXED_5,
11410         EL_DF_STEEL_GRID_FIXED_4,
11411         EL_DF_STEEL_GRID_FIXED_3,
11412         EL_DF_STEEL_GRID_FIXED_2
11413       },
11414       {
11415         EL_DF_WOODEN_GRID_FIXED_1,
11416         EL_DF_WOODEN_GRID_FIXED_8,
11417         EL_DF_WOODEN_GRID_FIXED_7,
11418         EL_DF_WOODEN_GRID_FIXED_6,
11419         EL_DF_WOODEN_GRID_FIXED_5,
11420         EL_DF_WOODEN_GRID_FIXED_4,
11421         EL_DF_WOODEN_GRID_FIXED_3,
11422         EL_DF_WOODEN_GRID_FIXED_2
11423       },
11424       {
11425         EL_DF_STEEL_GRID_ROTATING_1,
11426         EL_DF_STEEL_GRID_ROTATING_8,
11427         EL_DF_STEEL_GRID_ROTATING_7,
11428         EL_DF_STEEL_GRID_ROTATING_6,
11429         EL_DF_STEEL_GRID_ROTATING_5,
11430         EL_DF_STEEL_GRID_ROTATING_4,
11431         EL_DF_STEEL_GRID_ROTATING_3,
11432         EL_DF_STEEL_GRID_ROTATING_2
11433       },
11434       {
11435         EL_DF_WOODEN_GRID_ROTATING_1,
11436         EL_DF_WOODEN_GRID_ROTATING_8,
11437         EL_DF_WOODEN_GRID_ROTATING_7,
11438         EL_DF_WOODEN_GRID_ROTATING_6,
11439         EL_DF_WOODEN_GRID_ROTATING_5,
11440         EL_DF_WOODEN_GRID_ROTATING_4,
11441         EL_DF_WOODEN_GRID_ROTATING_3,
11442         EL_DF_WOODEN_GRID_ROTATING_2
11443       },
11444
11445       {
11446         -1,
11447       },
11448     };
11449     static int rotatable_elements_16[][16] =
11450     {
11451       {
11452         EL_MM_MIRROR_1,
11453         EL_MM_MIRROR_16,
11454         EL_MM_MIRROR_15,
11455         EL_MM_MIRROR_14,
11456         EL_MM_MIRROR_13,
11457         EL_MM_MIRROR_12,
11458         EL_MM_MIRROR_11,
11459         EL_MM_MIRROR_10,
11460         EL_MM_MIRROR_9,
11461         EL_MM_MIRROR_8,
11462         EL_MM_MIRROR_7,
11463         EL_MM_MIRROR_6,
11464         EL_MM_MIRROR_5,
11465         EL_MM_MIRROR_4,
11466         EL_MM_MIRROR_3,
11467         EL_MM_MIRROR_2
11468       },
11469       {
11470         EL_MM_TELEPORTER_5,
11471         EL_MM_TELEPORTER_4,
11472         EL_MM_TELEPORTER_3,
11473         EL_MM_TELEPORTER_2,
11474         EL_MM_TELEPORTER_1,
11475         EL_MM_TELEPORTER_16,
11476         EL_MM_TELEPORTER_15,
11477         EL_MM_TELEPORTER_14,
11478         EL_MM_TELEPORTER_13,
11479         EL_MM_TELEPORTER_12,
11480         EL_MM_TELEPORTER_11,
11481         EL_MM_TELEPORTER_10,
11482         EL_MM_TELEPORTER_9,
11483         EL_MM_TELEPORTER_8,
11484         EL_MM_TELEPORTER_7,
11485         EL_MM_TELEPORTER_6
11486       },
11487       {
11488         EL_MM_TELEPORTER_RED_5,
11489         EL_MM_TELEPORTER_RED_4,
11490         EL_MM_TELEPORTER_RED_3,
11491         EL_MM_TELEPORTER_RED_2,
11492         EL_MM_TELEPORTER_RED_1,
11493         EL_MM_TELEPORTER_RED_16,
11494         EL_MM_TELEPORTER_RED_15,
11495         EL_MM_TELEPORTER_RED_14,
11496         EL_MM_TELEPORTER_RED_13,
11497         EL_MM_TELEPORTER_RED_12,
11498         EL_MM_TELEPORTER_RED_11,
11499         EL_MM_TELEPORTER_RED_10,
11500         EL_MM_TELEPORTER_RED_9,
11501         EL_MM_TELEPORTER_RED_8,
11502         EL_MM_TELEPORTER_RED_7,
11503         EL_MM_TELEPORTER_RED_6
11504       },
11505       {
11506         EL_MM_TELEPORTER_YELLOW_5,
11507         EL_MM_TELEPORTER_YELLOW_4,
11508         EL_MM_TELEPORTER_YELLOW_3,
11509         EL_MM_TELEPORTER_YELLOW_2,
11510         EL_MM_TELEPORTER_YELLOW_1,
11511         EL_MM_TELEPORTER_YELLOW_16,
11512         EL_MM_TELEPORTER_YELLOW_15,
11513         EL_MM_TELEPORTER_YELLOW_14,
11514         EL_MM_TELEPORTER_YELLOW_13,
11515         EL_MM_TELEPORTER_YELLOW_12,
11516         EL_MM_TELEPORTER_YELLOW_11,
11517         EL_MM_TELEPORTER_YELLOW_10,
11518         EL_MM_TELEPORTER_YELLOW_9,
11519         EL_MM_TELEPORTER_YELLOW_8,
11520         EL_MM_TELEPORTER_YELLOW_7,
11521         EL_MM_TELEPORTER_YELLOW_6
11522       },
11523       {
11524         EL_MM_TELEPORTER_GREEN_5,
11525         EL_MM_TELEPORTER_GREEN_4,
11526         EL_MM_TELEPORTER_GREEN_3,
11527         EL_MM_TELEPORTER_GREEN_2,
11528         EL_MM_TELEPORTER_GREEN_1,
11529         EL_MM_TELEPORTER_GREEN_16,
11530         EL_MM_TELEPORTER_GREEN_15,
11531         EL_MM_TELEPORTER_GREEN_14,
11532         EL_MM_TELEPORTER_GREEN_13,
11533         EL_MM_TELEPORTER_GREEN_12,
11534         EL_MM_TELEPORTER_GREEN_11,
11535         EL_MM_TELEPORTER_GREEN_10,
11536         EL_MM_TELEPORTER_GREEN_9,
11537         EL_MM_TELEPORTER_GREEN_8,
11538         EL_MM_TELEPORTER_GREEN_7,
11539         EL_MM_TELEPORTER_GREEN_6
11540       },
11541       {
11542         EL_MM_TELEPORTER_BLUE_5,
11543         EL_MM_TELEPORTER_BLUE_4,
11544         EL_MM_TELEPORTER_BLUE_3,
11545         EL_MM_TELEPORTER_BLUE_2,
11546         EL_MM_TELEPORTER_BLUE_1,
11547         EL_MM_TELEPORTER_BLUE_16,
11548         EL_MM_TELEPORTER_BLUE_15,
11549         EL_MM_TELEPORTER_BLUE_14,
11550         EL_MM_TELEPORTER_BLUE_13,
11551         EL_MM_TELEPORTER_BLUE_12,
11552         EL_MM_TELEPORTER_BLUE_11,
11553         EL_MM_TELEPORTER_BLUE_10,
11554         EL_MM_TELEPORTER_BLUE_9,
11555         EL_MM_TELEPORTER_BLUE_8,
11556         EL_MM_TELEPORTER_BLUE_7,
11557         EL_MM_TELEPORTER_BLUE_6
11558       },
11559       {
11560         EL_MM_POLARIZER_1,
11561         EL_MM_POLARIZER_16,
11562         EL_MM_POLARIZER_15,
11563         EL_MM_POLARIZER_14,
11564         EL_MM_POLARIZER_13,
11565         EL_MM_POLARIZER_12,
11566         EL_MM_POLARIZER_11,
11567         EL_MM_POLARIZER_10,
11568         EL_MM_POLARIZER_9,
11569         EL_MM_POLARIZER_8,
11570         EL_MM_POLARIZER_7,
11571         EL_MM_POLARIZER_6,
11572         EL_MM_POLARIZER_5,
11573         EL_MM_POLARIZER_4,
11574         EL_MM_POLARIZER_3,
11575         EL_MM_POLARIZER_2
11576       },
11577       {
11578         EL_DF_MIRROR_1,
11579         EL_DF_MIRROR_16,
11580         EL_DF_MIRROR_15,
11581         EL_DF_MIRROR_14,
11582         EL_DF_MIRROR_13,
11583         EL_DF_MIRROR_12,
11584         EL_DF_MIRROR_11,
11585         EL_DF_MIRROR_10,
11586         EL_DF_MIRROR_9,
11587         EL_DF_MIRROR_8,
11588         EL_DF_MIRROR_7,
11589         EL_DF_MIRROR_6,
11590         EL_DF_MIRROR_5,
11591         EL_DF_MIRROR_4,
11592         EL_DF_MIRROR_3,
11593         EL_DF_MIRROR_2
11594       },
11595       {
11596         EL_DF_MIRROR_ROTATING_1,
11597         EL_DF_MIRROR_ROTATING_16,
11598         EL_DF_MIRROR_ROTATING_15,
11599         EL_DF_MIRROR_ROTATING_14,
11600         EL_DF_MIRROR_ROTATING_13,
11601         EL_DF_MIRROR_ROTATING_12,
11602         EL_DF_MIRROR_ROTATING_11,
11603         EL_DF_MIRROR_ROTATING_10,
11604         EL_DF_MIRROR_ROTATING_9,
11605         EL_DF_MIRROR_ROTATING_8,
11606         EL_DF_MIRROR_ROTATING_7,
11607         EL_DF_MIRROR_ROTATING_6,
11608         EL_DF_MIRROR_ROTATING_5,
11609         EL_DF_MIRROR_ROTATING_4,
11610         EL_DF_MIRROR_ROTATING_3,
11611         EL_DF_MIRROR_ROTATING_2
11612       },
11613
11614       {
11615         -1,
11616       },
11617     };
11618     int i, j;
11619
11620     for (i = 0; swappable_elements[i][0] != -1; i++)
11621     {
11622       int element1 = swappable_elements[i][0];
11623       int element2 = swappable_elements[i][1];
11624
11625       if (old_element == element1 || old_element == element2)
11626         new_element = (old_element == element1 ? element2 : element1);
11627     }
11628
11629     for (i = 0; rotatable_elements_4[i][0] != -1; i++)
11630     {
11631       for (j = 0; j < 4; j++)
11632       {
11633         int element = rotatable_elements_4[i][j];
11634
11635         if (old_element == element)
11636           new_element = (button == 1 ? rotatable_elements_4[i][(j + 3) % 4] :
11637                          button == 2 ? rotatable_elements_4[i][0]           :
11638                          button == 3 ? rotatable_elements_4[i][(j + 1) % 4] :
11639                          old_element);
11640       }
11641     }
11642
11643     for (i = 0; rotatable_elements_8[i][0] != -1; i++)
11644     {
11645       for (j = 0; j < 8; j++)
11646       {
11647         int element = rotatable_elements_8[i][j];
11648
11649         if (old_element == element)
11650           new_element = (button == 1 ? rotatable_elements_8[i][(j + 7) % 8] :
11651                          button == 2 ? rotatable_elements_8[i][0]           :
11652                          button == 3 ? rotatable_elements_8[i][(j + 1) % 8] :
11653                          old_element);
11654       }
11655     }
11656
11657     for (i = 0; rotatable_elements_16[i][0] != -1; i++)
11658     {
11659       for (j = 0; j < 16; j++)
11660       {
11661         int element = rotatable_elements_16[i][j];
11662
11663         if (old_element == element)
11664           new_element = (button == 1 ? rotatable_elements_16[i][(j + 15) % 16] :
11665                          button == 2 ? rotatable_elements_16[i][0]             :
11666                          button == 3 ? rotatable_elements_16[i][(j + 1)  % 16] :
11667                          old_element);
11668       }
11669     }
11670
11671     if (old_element != new_element)
11672     {
11673       int max_infotext_len = getMaxInfoTextLength();
11674       char infotext[MAX_OUTPUT_LINESIZE + 1];
11675
11676       strncpy(infotext, getElementInfoText(new_element), max_infotext_len);
11677       infotext[max_infotext_len] = '\0';
11678
11679       ClearEditorGadgetInfoText();
11680
11681       DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT,
11682                 infotext);
11683     }
11684   }
11685
11686   SetElementSimple(x, y, new_element, change_level);
11687
11688   last_x = x;
11689   last_y = y;
11690 }
11691
11692 static void ResetIntelliDraw(void)
11693 {
11694   int x, y;
11695
11696   for (x = 0; x < lev_fieldx; x++)
11697     for (y = 0; y < lev_fieldy; y++)
11698       IntelliDrawBuffer[x][y] = Feld[x][y];
11699
11700   SetElementIntelliDraw(-1, -1, EL_UNDEFINED, FALSE, -1);
11701 }
11702
11703 static boolean draw_mode_hires = FALSE;
11704
11705 static boolean isHiresTileElement(int element)
11706 {
11707   return (IS_MM_WALL(element)        || element == EL_EMPTY);
11708 }
11709
11710 static boolean isHiresDrawElement(int element)
11711 {
11712   return (IS_MM_WALL_EDITOR(element) || element == EL_EMPTY);
11713 }
11714
11715 static void SetDrawModeHiRes(int element)
11716 {
11717   draw_mode_hires =
11718     (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
11719      isHiresDrawElement(element));
11720 }
11721
11722 static boolean getDrawModeHiRes(void)
11723 {
11724   return draw_mode_hires;
11725 }
11726
11727 static int getLoResScreenPos(int pos)
11728 {
11729   return (getDrawModeHiRes() ? pos / 2 : pos);
11730 }
11731
11732 static int getLoResScreenMod(int pos)
11733 {
11734   return (getDrawModeHiRes() ? pos % 2 : 0);
11735 }
11736
11737 static void SetElementExt(int x, int y, int dx, int dy, int element,
11738                           boolean change_level, int button)
11739 {
11740   if (element < 0)
11741     SetElementSimple(x, y, Feld[x][y], change_level);
11742   else if (GetKeyModState() & KMOD_Shift && !IS_MM_WALL_EDITOR(element))
11743     SetElementIntelliDraw(x, y, element, change_level, button);
11744   else
11745     SetElementSimpleExt(x, y, dx, dy, element, change_level);
11746 }
11747
11748 static void SetElement(int x, int y, int element)
11749 {
11750   SetElementExt(x, y, 0, 0, element, TRUE, -1);
11751 }
11752
11753 static void SetElementButton(int x, int y, int dx, int dy, int element,
11754                              int button)
11755 {
11756   SetElementExt(x, y, dx, dy, element, TRUE, button);
11757 }
11758
11759 static void SetElementHiRes(int sx2, int sy2, int element, boolean change_level)
11760 {
11761   int lx = getLoResScreenPos(sx2) + level_xpos;
11762   int ly = getLoResScreenPos(sy2) + level_ypos;
11763   int dx = getLoResScreenMod(sx2);
11764   int dy = getLoResScreenMod(sy2);
11765
11766   SetElementExt(lx, ly, dx, dy, element, change_level, -1);
11767 }
11768
11769 static void SetLevelElementHiRes(int lx2, int ly2, int element)
11770 {
11771   int lx = lx2 / 2;
11772   int ly = ly2 / 2;
11773   int dx = lx2 % 2;
11774   int dy = ly2 % 2;
11775
11776   SetElementExt(lx, ly, dx, dy, element, TRUE, -1);
11777 }
11778
11779 static int getLevelElementHiRes(int lx2, int ly2)
11780 {
11781   int lx = lx2 / 2;
11782   int ly = ly2 / 2;
11783   int dx = lx2 % 2;
11784   int dy = ly2 % 2;
11785   int element = Feld[lx][ly];
11786   unsigned int bitmask = (dx + 1) << (dy * 2);
11787
11788   if (IS_MM_WALL(element))
11789   {
11790     if (element & bitmask)
11791       return map_mm_wall_element(element);
11792     else
11793       return EL_EMPTY;
11794   }
11795
11796   return element;
11797 }
11798
11799 static void DrawLineElement(int x, int y, int element, boolean change_level)
11800 {
11801   SetElementHiRes(x, y, element, change_level);
11802 }
11803
11804 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
11805                      int element, boolean change_level)
11806 {
11807   int xsize = ABS(to_x - from_x);
11808   int ysize = ABS(to_y - from_y);
11809   int dx = (to_x < from_x ? -1 : +1);
11810   int dy = (to_y < from_y ? -1 : +1);
11811   int i;
11812
11813   if (from_y == to_y)                   // horizontal line
11814   {
11815     for (i = 0; i <= xsize; i++)
11816       DrawLineElement(from_x + i * dx, from_y, element, change_level);
11817   }
11818   else if (from_x == to_x)              // vertical line
11819   {
11820     for (i = 0; i <= ysize; i++)
11821       DrawLineElement(from_x, from_y + i * dy, element, change_level);
11822   }
11823   else                                  // diagonal line
11824   {
11825     if (ysize < xsize)                  // a < 1
11826     {
11827       float a = (float)ysize / (float)xsize;
11828
11829       for (i = 0; i <= xsize; i++)
11830       {
11831         int x = dx * i;
11832         int y = dy * (int)(a * i + 0.5);
11833
11834         DrawLineElement(from_x + x, from_y + y, element, change_level);
11835       }
11836     }
11837     else                                // a >= 1
11838     {
11839       float a = (float)xsize / (float)ysize;
11840
11841       for (i = 0; i <= ysize; i++)
11842       {
11843         int x = dx * (int)(a * i + 0.5);
11844         int y = dy * i;
11845
11846         DrawLineElement(from_x + x, from_y + y, element, change_level);
11847       }
11848     }
11849   }
11850 }
11851
11852 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
11853                     int element, boolean change_level)
11854 {
11855   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
11856   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
11857   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
11858   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
11859 }
11860
11861 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
11862                           int element, boolean change_level)
11863 {
11864   int y;
11865
11866   if (from_y > to_y)
11867     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
11868
11869   for (y = from_y; y <= to_y; y++)
11870     DrawLine(from_x, y, to_x, y, element, change_level);
11871 }
11872
11873 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
11874                        int element, boolean change_level)
11875 {
11876   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
11877   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
11878   int len_x = ABS(to_x - from_x);
11879   int len_y = ABS(to_y - from_y);
11880   int radius, x, y;
11881
11882   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
11883
11884   // not optimal (some points get drawn twice) but simple,
11885   // and fast enough for the few points we are drawing
11886
11887   for (x = 0; x <= radius; x++)
11888   {
11889     int sx, sy, sx2, sy2, lx, ly;
11890
11891     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
11892
11893     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
11894     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
11895     sx = getLoResScreenPos(sx2);
11896     sy = getLoResScreenPos(sy2);
11897     lx = sx + level_xpos;
11898     ly = sy + level_ypos;
11899
11900     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
11901       DrawLineElement(sx2, sy2, element, change_level);
11902   }
11903
11904   for (y = 0; y <= radius; y++)
11905   {
11906     int sx, sy, sx2, sy2, lx, ly;
11907
11908     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
11909
11910     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
11911     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
11912     sx = getLoResScreenPos(sx2);
11913     sy = getLoResScreenPos(sy2);
11914     lx = sx + level_xpos;
11915     ly = sy + level_ypos;
11916
11917     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
11918       DrawLineElement(sx2, sy2, element, change_level);
11919   }
11920 }
11921
11922 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
11923                     int element, boolean change_level)
11924 {
11925   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
11926   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
11927
11928   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
11929 }
11930
11931 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
11932
11933 #if DRAW_CIRCLES_BUTTON_AVAILABLE
11934 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
11935                        int element, boolean change_level)
11936 {
11937   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
11938   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
11939   int mirror_to_x2 = from_x - (to_x2 - from_x);
11940   int mirror_to_y2 = from_y - (to_y2 - from_y);
11941
11942   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
11943   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
11944   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
11945   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
11946 }
11947 #endif
11948
11949 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
11950 {
11951   int from_sx, from_sy;
11952   int to_sx, to_sy;
11953
11954   if (from_x > to_x)
11955     swap_numbers(&from_x, &to_x);
11956
11957   if (from_y > to_y)
11958     swap_numbers(&from_y, &to_y);
11959
11960   from_sx = SX + from_x * ed_tilesize;
11961   from_sy = SY + from_y * ed_tilesize;
11962   to_sx = SX + (to_x + 1) * ed_tilesize - 1;
11963   to_sy = SY + (to_y + 1) * ed_tilesize - 1;
11964
11965   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
11966   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
11967   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
11968   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
11969
11970   if (from_x == to_x && from_y == to_y)
11971     MarkTileDirty(from_x/2, from_y/2);
11972   else
11973     redraw_mask |= REDRAW_FIELD;
11974 }
11975
11976 static void DrawAreaBox(int from_x, int from_y, int to_x, int to_y,
11977                         int element, boolean change_level)
11978 {
11979   DrawBox(from_x, from_y, to_x, to_y, element, change_level);
11980 }
11981
11982 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
11983                        int element, boolean change_level)
11984 {
11985   if (element == -1 || change_level)
11986     DrawAreaBox(from_x, from_y, to_x, to_y, -1, FALSE);
11987   else
11988     DrawAreaBorder(from_x, from_y, to_x, to_y);
11989 }
11990
11991 // values for CopyBrushExt()
11992 #define CB_AREA_TO_BRUSH                0
11993 #define CB_BRUSH_TO_CURSOR              1
11994 #define CB_BRUSH_TO_LEVEL               2
11995 #define CB_DELETE_OLD_CURSOR            3
11996 #define CB_DUMP_BRUSH                   4
11997 #define CB_DUMP_BRUSH_SMALL             5
11998 #define CB_CLIPBOARD_TO_BRUSH           6
11999 #define CB_BRUSH_TO_CLIPBOARD           7
12000 #define CB_BRUSH_TO_CLIPBOARD_SMALL     8
12001 #define CB_UPDATE_BRUSH_POSITION        9
12002
12003 #define MAX_CB_PART_SIZE        10
12004 #define MAX_CB_LINE_SIZE        (MAX_LEV_FIELDX + 1)    // text plus newline
12005 #define MAX_CB_NUM_LINES        (MAX_LEV_FIELDY)
12006 #define MAX_CB_TEXT_SIZE        (MAX_CB_LINE_SIZE *     \
12007                                  MAX_CB_NUM_LINES *     \
12008                                  MAX_CB_PART_SIZE)
12009
12010 static void DrawBrushElement(int sx, int sy, int element, boolean change_level)
12011 {
12012   DrawLineElement(sx, sy, element, change_level);
12013 }
12014
12015 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
12016                          int button, int mode)
12017 {
12018   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
12019   static int brush_width, brush_height;
12020   static int last_cursor_x = -1, last_cursor_y = -1;
12021   static boolean delete_old_brush = FALSE;
12022   int new_element = BUTTON_ELEMENT(button);
12023   int x, y;
12024
12025   if (mode == CB_DUMP_BRUSH ||
12026       mode == CB_DUMP_BRUSH_SMALL ||
12027       mode == CB_BRUSH_TO_CLIPBOARD ||
12028       mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
12029   {
12030     if (edit_mode != ED_MODE_DRAWING)
12031       return;
12032
12033     char part[MAX_CB_PART_SIZE + 1] = "";
12034     char text[MAX_CB_TEXT_SIZE + 1] = "";
12035     int width  = (draw_with_brush ? brush_width  : lev_fieldx);
12036     int height = (draw_with_brush ? brush_height : lev_fieldy);
12037     char *format = "%s%03d";
12038
12039     for (y = 0; y < height; y++)
12040       for (x = 0; x < width; x++)
12041         if ((draw_with_brush ? brush_buffer[x][y] : Feld[x][y]) > 999)
12042           format = "%s%04d";
12043
12044     for (y = 0; y < height; y++)
12045     {
12046       for (x = 0; x < width; x++)
12047       {
12048         int element = (draw_with_brush ? brush_buffer[x][y] : Feld[x][y]);
12049         char *prefix = (mode == CB_DUMP_BRUSH ||
12050                         mode == CB_BRUSH_TO_CLIPBOARD ? "`" : "¸");
12051
12052         if (element >= NUM_FILE_ELEMENTS)
12053           element = EL_UNKNOWN;
12054
12055         // copy brush to level sketch text buffer for the R'n'D forum:
12056         // - large tiles: `xxx or `xxxx (0x60 ASCII)
12057         // - small tiles: ¸xxx or ¸xxxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
12058         snprintf(part, MAX_CB_PART_SIZE + 1, format, prefix, element);
12059         strcat(text, part);
12060       }
12061
12062       strcat(text, "\n");
12063     }
12064
12065     if (mode == CB_BRUSH_TO_CLIPBOARD ||
12066         mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
12067       SDL_SetClipboardText(text);
12068     else
12069       printf("%s", text);
12070
12071     return;
12072   }
12073
12074   if (mode == CB_CLIPBOARD_TO_BRUSH)
12075   {
12076     if (edit_mode != ED_MODE_DRAWING)
12077       return;
12078
12079     if (!SDL_HasClipboardText())
12080     {
12081       Request("Clipboard is empty!", REQ_CONFIRM);
12082
12083       return;
12084     }
12085
12086     boolean copy_to_brush = (draw_with_brush ||
12087                              drawing_function == GADGET_ID_GRAB_BRUSH);
12088
12089     // this will delete the old brush, if already drawing with a brush
12090     if (copy_to_brush)
12091       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], MB_LEFTBUTTON);
12092
12093     // initialization is required for "odd" (incomplete) clipboard content
12094     for (x = 0; x < MAX_LEV_FIELDX; x++)
12095       for (y = 0; y < MAX_LEV_FIELDY; y++)
12096         brush_buffer[x][y] = EL_EMPTY;
12097
12098     brush_width  = 0;
12099     brush_height = 0;
12100     x = 0;
12101     y = 0;
12102
12103     char *clipboard_text = SDL_GetClipboardText();
12104     char *ptr = clipboard_text;
12105     boolean allow_new_row = FALSE;
12106     boolean stop = FALSE;
12107
12108     while (*ptr && !stop)
12109     {
12110       boolean prefix_found = FALSE;
12111       boolean start_new_row = FALSE;
12112
12113       // level sketch element number prefixes (may be multi-byte characters)
12114       char *prefix_list[] = { "`", "¸" };
12115       int i;
12116
12117       for (i = 0; i < ARRAY_SIZE(prefix_list); i++)
12118       {
12119         char *prefix = prefix_list[i];
12120
12121         // check if string is large enough for prefix
12122         if (strlen(ptr) < strlen(prefix))
12123         {
12124           stop = TRUE;
12125
12126           break;
12127         }
12128
12129         // check if string starts with prefix
12130         if (strPrefix(ptr, prefix))
12131         {
12132           ptr += strlen(prefix);
12133
12134           prefix_found = TRUE;
12135
12136           break;
12137         }
12138       }
12139
12140       // check if prefix found and followed by (at least) three digits
12141       if (prefix_found &&
12142           strlen(ptr) >= 3 &&
12143           ptr[0] >= '0' && ptr[0] <= '9' &&
12144           ptr[1] >= '0' && ptr[1] <= '9' &&
12145           ptr[2] >= '0' && ptr[2] <= '9')
12146       {
12147         int element = ((ptr[0] - '0') * 100 +
12148                        (ptr[1] - '0') * 10 +
12149                        (ptr[2] - '0'));
12150
12151         ptr += 3;
12152
12153         // level sketch element number might consist of four digits
12154         if (ptr[0] >= '0' && ptr[0] <= '9')
12155         {
12156           element = element * 10 + (ptr[0] - '0');
12157           ptr++;
12158         }
12159
12160         if (element >= NUM_FILE_ELEMENTS)
12161           element = EL_UNKNOWN;
12162
12163         brush_buffer[x][y] = element;
12164
12165         brush_width  = MAX(x + 1, brush_width);
12166         brush_height = MAX(y + 1, brush_height);
12167
12168         x++;
12169
12170         if (x >= MAX_LEV_FIELDX)
12171           start_new_row = TRUE;
12172
12173         allow_new_row = TRUE;
12174       }
12175       else
12176       {
12177         if ((*ptr == '\n' || *ptr == '\r') && allow_new_row)
12178           start_new_row = TRUE;
12179
12180         ptr++;          // !!! FIX THIS for real UTF-8 handling !!!
12181       }
12182
12183       if (start_new_row)
12184       {
12185         x = 0;
12186         y++;
12187
12188         if (y >= MAX_LEV_FIELDY)
12189           stop = TRUE;
12190
12191         allow_new_row = FALSE;
12192       }
12193     }
12194
12195     SDL_free(clipboard_text);
12196
12197     if (brush_width == 0 || brush_height == 0)
12198     {
12199       Request("No level sketch found in clipboard!", REQ_CONFIRM);
12200
12201       return;
12202     }
12203
12204     if (copy_to_brush)
12205     {
12206       struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_DRAWING_LEVEL];
12207       int mx, my;
12208
12209       SDL_GetMouseState(&mx, &my);
12210
12211       // if inside drawing area, activate and draw brush at last mouse position
12212       if (mx >= gi->x && mx < gi->x + gi->width &&
12213           my >= gi->y && my < gi->y + gi->height)
12214         CopyBrushToCursor(last_cursor_x, last_cursor_y);
12215
12216       draw_with_brush = TRUE;
12217     }
12218     else
12219     {
12220       char request[100];
12221
12222       sprintf(request, "Replace level with %dx%d level sketch from clipboard?",
12223               brush_width, brush_height);
12224
12225       if (!Request(request, REQ_ASK))
12226         return;
12227
12228       for (x = 0; x < MAX_LEV_FIELDX; x++)
12229         for (y = 0; y < MAX_LEV_FIELDY; y++)
12230           Feld[x][y] = brush_buffer[x][y];
12231
12232       lev_fieldx = level.fieldx = brush_width;
12233       lev_fieldy = level.fieldy = brush_height;
12234
12235       SetBorderElement();
12236
12237       DrawEditModeWindow();
12238       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12239     }
12240
12241     return;
12242   }
12243
12244   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
12245     return;
12246
12247   if (mode == CB_AREA_TO_BRUSH)
12248   {
12249     int from_lx, from_ly;
12250
12251     if (from_x > to_x)
12252       swap_numbers(&from_x, &to_x);
12253
12254     if (from_y > to_y)
12255       swap_numbers(&from_y, &to_y);
12256
12257     brush_width = to_x - from_x + 1;
12258     brush_height = to_y - from_y + 1;
12259
12260     from_lx = from_x + level_xpos;
12261     from_ly = from_y + level_ypos;
12262
12263     for (y = 0; y < brush_height; y++)
12264     {
12265       for (x = 0; x < brush_width; x++)
12266       {
12267         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
12268
12269         if (button != 1)
12270           DrawBrushElement(from_x + x, from_y + y, new_element, TRUE);
12271       }
12272     }
12273
12274     if (button != 1)
12275       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12276
12277     delete_old_brush = FALSE;
12278   }
12279   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
12280            mode == CB_BRUSH_TO_LEVEL)
12281   {
12282     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
12283     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
12284     int cursor_from_x = cursor_x - brush_width / 2;
12285     int cursor_from_y = cursor_y - brush_height / 2;
12286     int border_from_x = cursor_x, border_from_y = cursor_y;
12287     int border_to_x = cursor_x, border_to_y = cursor_y;
12288
12289     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
12290       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
12291
12292     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
12293         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
12294     {
12295       delete_old_brush = FALSE;
12296
12297       return;
12298     }
12299
12300     for (y = 0; y < brush_height; y++)
12301     {
12302       for (x = 0; x < brush_width; x++)
12303       {
12304         int sx = cursor_from_x + x;
12305         int sy = cursor_from_y + y;
12306         int lx = sx + level_xpos;
12307         int ly = sy + level_ypos;
12308         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
12309         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
12310                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
12311                        brush_buffer[x][y] : new_element);
12312
12313         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
12314         {
12315           if (sx < border_from_x)
12316             border_from_x = sx;
12317           else if (sx > border_to_x)
12318             border_to_x = sx;
12319           if (sy < border_from_y)
12320             border_from_y = sy;
12321           else if (sy > border_to_y)
12322             border_to_y = sy;
12323
12324           DrawBrushElement(sx, sy, element, change_level);
12325         }
12326       }
12327     }
12328
12329     if (mode != CB_DELETE_OLD_CURSOR)
12330       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
12331
12332     last_cursor_x = cursor_x;
12333     last_cursor_y = cursor_y;
12334
12335     delete_old_brush = TRUE;
12336   }
12337
12338   if (mode == CB_UPDATE_BRUSH_POSITION)
12339   {
12340     last_cursor_x = from_x;
12341     last_cursor_y = from_y;
12342   }
12343 }
12344
12345 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
12346                             int button)
12347 {
12348   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
12349 }
12350
12351 static void CopyBrushToLevel(int x, int y, int button)
12352 {
12353   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
12354 }
12355
12356 static void CopyBrushToCursor(int x, int y)
12357 {
12358   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
12359 }
12360
12361 static void UpdateBrushPosition(int x, int y)
12362 {
12363   CopyBrushExt(x, y, 0, 0, 0, CB_UPDATE_BRUSH_POSITION);
12364 }
12365
12366 static void DeleteBrushFromCursor(void)
12367 {
12368   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
12369 }
12370
12371 void DumpBrush(void)
12372 {
12373   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
12374 }
12375
12376 void DumpBrush_Small(void)
12377 {
12378   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
12379 }
12380
12381 void CopyClipboardToBrush(void)
12382 {
12383   CopyBrushExt(0, 0, 0, 0, 0, CB_CLIPBOARD_TO_BRUSH);
12384 }
12385
12386 void CopyBrushToClipboard(void)
12387 {
12388   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD);
12389 }
12390
12391 void CopyBrushToClipboard_Small(void)
12392 {
12393   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD_SMALL);
12394 }
12395
12396 void UndoLevelEditorOperation(void)
12397 {
12398   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], -1);
12399 }
12400
12401 void RedoLevelEditorOperation(void)
12402 {
12403   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
12404 }
12405
12406 static void FloodFill(int from_x, int from_y, int fill_element)
12407 {
12408   FloodFillLevel(from_x, from_y, fill_element, Feld, lev_fieldx, lev_fieldy);
12409 }
12410
12411 static void FloodFillWall_MM(int from_sx2, int from_sy2, int fill_element)
12412 {
12413   int from_x = from_sx2 + 2 * level_xpos;
12414   int from_y = from_sy2 + 2 * level_ypos;
12415   int max_fillx = lev_fieldx * 2;
12416   int max_filly = lev_fieldy * 2;
12417   short FillFeld[max_fillx][max_filly];
12418   int x, y;
12419
12420   for (x = 0; x < max_fillx; x++)
12421     for (y = 0; y < max_filly; y++)
12422       FillFeld[x][y] = getLevelElementHiRes(x, y);
12423
12424   FloodFillLevelExt(from_x, from_y, fill_element, max_fillx, max_filly,
12425                     FillFeld, max_fillx, max_filly);
12426
12427   for (x = 0; x < max_fillx; x++)
12428     for (y = 0; y < max_filly; y++)
12429       if (FillFeld[x][y] == fill_element)
12430         SetLevelElementHiRes(x, y, FillFeld[x][y]);
12431 }
12432
12433 // values for DrawLevelText() modes
12434 #define TEXT_INIT               0
12435 #define TEXT_SETCURSOR          1
12436 #define TEXT_WRITECHAR          2
12437 #define TEXT_BACKSPACE          3
12438 #define TEXT_NEWLINE            4
12439 #define TEXT_END                5
12440 #define TEXT_QUERY_TYPING       6
12441
12442 static int DrawLevelText(int sx, int sy, char letter, int mode)
12443 {
12444   static short delete_buffer[MAX_LEV_FIELDX];
12445   static int start_sx;
12446   static int last_sx, last_sy;
12447   static boolean typing = FALSE;
12448   int letter_element = EL_CHAR_ASCII0 + letter;
12449   int lx = 0, ly = 0;
12450
12451   // map lower case letters to upper case and convert special characters
12452   if (letter >= 'a' && letter <= 'z')
12453     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
12454   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
12455     letter_element = EL_CHAR_AUMLAUT;
12456   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
12457     letter_element = EL_CHAR_OUMLAUT;
12458   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
12459     letter_element = EL_CHAR_UUMLAUT;
12460   else if (letter == '^')
12461     letter_element = EL_CHAR_COPYRIGHT;
12462   else
12463     letter_element = EL_CHAR_ASCII0 + letter;
12464
12465   if (mode != TEXT_INIT)
12466   {
12467     if (!typing)
12468       return FALSE;
12469
12470     if (mode != TEXT_SETCURSOR)
12471     {
12472       sx = last_sx;
12473       sy = last_sy;
12474     }
12475
12476     lx = last_sx + level_xpos;
12477     ly = last_sy + level_ypos;
12478   }
12479
12480   switch (mode)
12481   {
12482     case TEXT_INIT:
12483       if (typing)
12484         DrawLevelText(0, 0, 0, TEXT_END);
12485
12486       typing = TRUE;
12487       start_sx = sx;
12488       last_sx = sx;
12489       last_sy = sy;
12490       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
12491       break;
12492
12493     case TEXT_SETCURSOR:
12494       DrawEditorElement(last_sx, last_sy, Feld[lx][ly]);
12495       DrawAreaBorder(sx, sy, sx, sy);
12496       StartTextInput(SX + sx * ed_tilesize, SY + sy * ed_tilesize,
12497                      ed_tilesize, ed_tilesize);
12498       last_sx = sx;
12499       last_sy = sy;
12500       break;
12501
12502     case TEXT_WRITECHAR:
12503       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
12504       {
12505         if (new_element1 >= EL_STEEL_CHAR_START &&
12506             new_element1 <= EL_STEEL_CHAR_END)
12507           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
12508
12509         delete_buffer[sx - start_sx] = Feld[lx][ly];
12510         Feld[lx][ly] = letter_element;
12511
12512         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
12513           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
12514         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
12515           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
12516         else
12517           DrawLevelText(0, 0, 0, TEXT_END);
12518
12519         level.changed = TRUE;
12520       }
12521       break;
12522
12523     case TEXT_BACKSPACE:
12524       if (sx > start_sx)
12525       {
12526         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
12527         DrawEditorElement(sx - 1, sy, Feld[lx - 1][ly]);
12528         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
12529       }
12530       break;
12531
12532     case TEXT_NEWLINE:
12533       if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
12534         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
12535       else
12536         DrawLevelText(0, 0, 0, TEXT_END);
12537       break;
12538
12539     case TEXT_END:
12540       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12541       DrawEditorElement(sx, sy, Feld[lx][ly]);
12542       StopTextInput();
12543       typing = FALSE;
12544       break;
12545
12546     case TEXT_QUERY_TYPING:
12547       break;
12548
12549     default:
12550       break;
12551   }
12552
12553   return typing;
12554 }
12555
12556 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
12557                           int element, boolean change_level)
12558 {
12559   int lx = sx + level_xpos;
12560   int ly = sy + level_ypos;
12561
12562   if (element == -1)
12563     DrawEditorElement(sx, sy, Feld[lx][ly]);
12564   else
12565     DrawAreaBorder(sx, sy, sx, sy);
12566 }
12567
12568 static void CheckLevelBorderElement(boolean redraw_playfield)
12569 {
12570   int last_border_element = BorderElement;
12571
12572   SetBorderElement();
12573
12574   if (redraw_playfield && BorderElement != last_border_element)
12575     DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12576 }
12577
12578 static void CopyLevelToUndoBuffer(int mode)
12579 {
12580   static boolean accumulated_undo = FALSE;
12581   boolean new_undo_buffer_position = TRUE;
12582   int x, y;
12583
12584   if (undo_buffer_steps == 0)
12585     accumulated_undo = FALSE;
12586
12587   switch (mode)
12588   {
12589     case UNDO_IMMEDIATE:
12590       accumulated_undo = FALSE;
12591       break;
12592
12593     case UNDO_ACCUMULATE:
12594       if (accumulated_undo)
12595         new_undo_buffer_position = FALSE;
12596       accumulated_undo = TRUE;
12597       break;
12598
12599     default:
12600       break;
12601   }
12602
12603   if (new_undo_buffer_position)
12604   {
12605     // advance position in undo buffer ring
12606     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
12607
12608     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
12609       undo_buffer_steps++;
12610   }
12611
12612   // always reset redo buffer when storing level change into undo buffer
12613   redo_buffer_steps = 0;
12614
12615   for (x = 0; x < lev_fieldx; x++)
12616     for (y = 0; y < lev_fieldy; y++)
12617       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
12618
12619   // check if drawing operation forces change of border style
12620   CheckLevelBorderElement(TRUE);
12621
12622   level.changed = TRUE;
12623 }
12624
12625 static void RandomPlacement(int new_element)
12626 {
12627   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
12628   int num_free_positions = 0;
12629   int num_percentage, num_elements;
12630   int x, y;
12631
12632   ResetIntelliDraw();
12633
12634   // determine number of free positions for randomly placing the new element
12635   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
12636   {
12637     free_position[x][y] =
12638       (random_placement_background_restricted ?
12639        Feld[x][y] == random_placement_background_element :
12640        Feld[x][y] != new_element);
12641
12642     if (free_position[x][y])
12643       num_free_positions++;
12644   }
12645
12646   // determine number of new elements to place there
12647   num_percentage = num_free_positions * random_placement_value / 100;
12648   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
12649                   num_percentage : random_placement_value);
12650
12651   // if less free positions than elements to place, fill all these positions
12652   if (num_free_positions < num_elements)
12653   {
12654     for (x = 0; x < lev_fieldx; x++)
12655       for (y = 0; y < lev_fieldy; y++)
12656         if (free_position[x][y])
12657           SetElement(x, y, new_element);
12658   }
12659   else
12660   {
12661     while (num_elements > 0)
12662     {
12663       x = GetSimpleRandom(lev_fieldx);
12664       y = GetSimpleRandom(lev_fieldy);
12665
12666       // don't place element at the same position twice
12667       if (free_position[x][y])
12668       {
12669         free_position[x][y] = FALSE;
12670         SetElement(x, y, new_element);
12671         num_elements--;
12672       }
12673     }
12674   }
12675
12676   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12677   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12678 }
12679
12680 static void WrapLevel(int dx, int dy)
12681 {
12682   int wrap_dx = lev_fieldx - dx;
12683   int wrap_dy = lev_fieldy - dy;
12684   int x, y;
12685
12686   for (x = 0; x < lev_fieldx; x++)
12687     for (y = 0; y < lev_fieldy; y++)
12688       FieldBackup[x][y] = Feld[x][y];
12689
12690   for (x = 0; x < lev_fieldx; x++)
12691     for (y = 0; y < lev_fieldy; y++)
12692       Feld[x][y] =
12693         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
12694
12695   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12696   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
12697 }
12698
12699 static void CopyLevelTemplateToUserLevelSet(char *levelset_subdir)
12700 {
12701   char *template_filename_old = getLocalLevelTemplateFilename();
12702   char *template_filename_new =
12703     getPath2(getUserLevelDir(levelset_subdir), LEVELTEMPLATE_FILENAME);
12704
12705   if (copyFile(template_filename_old, template_filename_new) != 0)
12706     Request("Cannot copy level template!", REQ_CONFIRM);
12707
12708   free(template_filename_new);
12709 }
12710
12711 static void HandleDrawingAreas(struct GadgetInfo *gi)
12712 {
12713   static boolean started_inside_drawing_area = FALSE;
12714   static int last_sx = -1, last_sy = -1;
12715   static int last_sx2 = -1, last_sy2 = -1;
12716   int id = gi->custom_id;
12717   int type_id = gi->custom_type_id;
12718   boolean button_press_event;
12719   boolean button_release_event;
12720   boolean inside_drawing_area = !gi->event.off_borders;
12721   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
12722   int actual_drawing_function;
12723   int button = gi->event.button;
12724   int new_element = BUTTON_ELEMENT(button);
12725   int sx = gi->event.x, sy = gi->event.y;
12726   int min_sx = 0, min_sy = 0;
12727   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
12728   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
12729   int mini_item_xsize = item_xsize / 2, mini_item_ysize = item_ysize / 2;
12730   int sx2 = gi->event.mx / mini_item_xsize;
12731   int sy2 = gi->event.my / mini_item_ysize;
12732   int dx = sx2 % 2;
12733   int dy = sy2 % 2;
12734   int lx = 0, ly = 0;
12735   int min_lx = 0, min_ly = 0;
12736   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
12737   int x, y;
12738
12739   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
12740   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
12741
12742   // make sure to stay inside drawing area boundaries
12743   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
12744   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
12745
12746   if (draw_level)
12747   {
12748     // get positions inside level field
12749     lx = sx + level_xpos;
12750     ly = sy + level_ypos;
12751
12752     if (!IN_LEV_FIELD(lx, ly))
12753       inside_drawing_area = FALSE;
12754
12755     // make sure to stay inside level field boundaries
12756     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
12757     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
12758
12759     // correct drawing area positions accordingly
12760     sx = lx - level_xpos;
12761     sy = ly - level_ypos;
12762   }
12763
12764   // also correct MM wall-sized (double) drawing area positions accordingly
12765   if (sx2 / 2 < sx || sx2 / 2 > sx)
12766   {
12767     dx = (sx2 / 2 < sx ? 0 : 1);
12768     sx2 = sx * 2 + dx;
12769   }
12770   if (sy2 / 2 < sy || sy2 / 2 > sy)
12771   {
12772     dy = (sy2 / 2 < sy ? 0 : 1);
12773     sy2 = sy * 2 + dy;
12774   }
12775
12776   if (button_release_event)
12777   {
12778     last_sx = -1;
12779     last_sy = -1;
12780     last_sx2 = -1;
12781     last_sy2 = -1;
12782   }
12783   else if (!button_press_event)
12784   {
12785     int old_element = (IN_LEV_FIELD(lx, ly) ? Feld[lx][ly] : EL_UNDEFINED);
12786     boolean hires_drawing = (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
12787                              isHiresTileElement(old_element) &&
12788                              isHiresDrawElement(new_element));
12789
12790     // prevent handling events for every pixel position when moving mouse
12791     if ((sx == last_sx && sy == last_sy && !hires_drawing) ||
12792         (sx2 == last_sx2 && sy2 == last_sy2))
12793       return;
12794   }
12795
12796   last_sx = sx;
12797   last_sy = sy;
12798   last_sx2 = sx2;
12799   last_sy2 = sy2;
12800
12801   if (button_press_event)
12802     started_inside_drawing_area = inside_drawing_area;
12803
12804   if (!started_inside_drawing_area)
12805     return;
12806
12807   if (!IS_VALID_BUTTON(button))
12808     return;
12809
12810   if (!button && !button_release_event)
12811     return;
12812
12813   // handle info callback for each invocation of action callback
12814   gi->callback_info(gi);
12815
12816   // automatically switch to 'single item' drawing mode, if needed
12817   actual_drawing_function =
12818     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
12819      drawing_function : GADGET_ID_SINGLE_ITEMS);
12820
12821   // clicking into drawing area with pressed Control key picks element
12822   if (GetKeyModState() & KMOD_Control)
12823   {
12824     last_drawing_function = drawing_function;
12825     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
12826   }
12827
12828   if (GetKeyModState() & KMOD_Shift)
12829   {
12830     if (button_press_event || button_release_event)
12831       ResetIntelliDraw();
12832   }
12833
12834   SetDrawModeHiRes(-1);         // reset to normal draw mode
12835
12836   switch (actual_drawing_function)
12837   {
12838     case GADGET_ID_SINGLE_ITEMS:
12839       if (draw_level)
12840       {
12841         if (button_release_event)
12842         {
12843           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12844
12845           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
12846               !inside_drawing_area)
12847             DeleteBrushFromCursor();
12848         }
12849
12850         if (!button || button_release_event)
12851           break;
12852
12853         if (draw_with_brush)
12854         {
12855           CopyBrushToLevel(sx, sy, button);
12856         }
12857         else
12858         {
12859           SetDrawModeHiRes(new_element);
12860
12861           if (ELEM_IS_PLAYER(new_element))
12862           {
12863             // remove player at old position
12864             for (y = 0; y < lev_fieldy; y++)
12865             {
12866               for (x = 0; x < lev_fieldx; x++)
12867               {
12868                 int old_element = Feld[x][y];
12869
12870                 if (ELEM_IS_PLAYER(old_element))
12871                 {
12872                   int replaced_with_element =
12873                     (old_element == EL_SOKOBAN_FIELD_PLAYER &&
12874                      new_element == EL_PLAYER_1 ? EL_SOKOBAN_FIELD_EMPTY :
12875
12876                      old_element == EL_SOKOBAN_FIELD_PLAYER &&
12877                      new_element == old_element ? EL_SOKOBAN_FIELD_EMPTY :
12878
12879                      new_element == EL_SOKOBAN_FIELD_PLAYER &&
12880                      old_element == EL_PLAYER_1 ? EL_EMPTY :
12881
12882                      new_element >= EL_PLAYER_1 &&
12883                      new_element <= EL_PLAYER_4 &&
12884                      new_element == old_element ? EL_EMPTY :
12885
12886                      old_element);
12887
12888                   SetElement(x, y, replaced_with_element);
12889                 }
12890               }
12891             }
12892           }
12893
12894           SetElementButton(lx, ly, dx, dy, new_element, button);
12895         }
12896       }
12897       else if (!button_release_event)
12898       {
12899         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
12900
12901         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
12902           DrawMiniGraphicExt(drawto,
12903                              gi->x + sx * MINI_TILEX,
12904                              gi->y + sy * MINI_TILEY,
12905                              el2edimg(new_element));
12906         else
12907           DrawFixedGraphicExt(drawto,
12908                               gi->x + sx * TILEX,
12909                               gi->y + sy * TILEY,
12910                               el2edimg(new_element), 0);
12911
12912         if (id == GADGET_ID_CUSTOM_GRAPHIC)
12913           new_element = GFX_ELEMENT(new_element);
12914
12915         drawingarea_info[type_id].value[pos] = new_element;
12916
12917         CopyElementPropertiesToGame(properties_element);
12918
12919         if (id == GADGET_ID_CUSTOM_GRAPHIC)
12920         {
12921           UpdateCustomElementGraphicGadgets();
12922
12923           FrameCounter = 0;     // restart animation frame counter
12924         }
12925       }
12926       break;
12927
12928     case GADGET_ID_CONNECTED_ITEMS:
12929       {
12930         static int last_sx = -1;
12931         static int last_sy = -1;
12932
12933         if (button_release_event)
12934           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12935
12936         if (button)
12937         {
12938           SetDrawModeHiRes(new_element);
12939
12940           if (getDrawModeHiRes())
12941           {
12942             sx = sx2;
12943             sy = sy2;
12944           }
12945
12946           if (!button_press_event)
12947             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
12948
12949           last_sx = sx;
12950           last_sy = sy;
12951         }
12952       }
12953       break;
12954
12955     case GADGET_ID_LINE:
12956     case GADGET_ID_ARC:
12957     case GADGET_ID_RECTANGLE:
12958     case GADGET_ID_FILLED_BOX:
12959       SetDrawModeHiRes(new_element);
12960
12961       if (getDrawModeHiRes())
12962       {
12963         sx = sx2;
12964         sy = sy2;
12965       }
12966       // FALLTHROUGH
12967     case GADGET_ID_GRAB_BRUSH:
12968     case GADGET_ID_TEXT:
12969       {
12970         static int last_sx = -1;
12971         static int last_sy = -1;
12972         static int start_sx = -1;
12973         static int start_sy = -1;
12974         void (*draw_func)(int, int, int, int, int, boolean);
12975
12976         if (drawing_function == GADGET_ID_LINE)
12977           draw_func = DrawLine;
12978         else if (drawing_function == GADGET_ID_ARC)
12979           draw_func = DrawArc;
12980         else if (drawing_function == GADGET_ID_RECTANGLE)
12981           draw_func = DrawBox;
12982         else if (drawing_function == GADGET_ID_FILLED_BOX)
12983           draw_func = DrawFilledBox;
12984         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
12985           draw_func = SelectArea;
12986         else // (drawing_function == GADGET_ID_TEXT)
12987           draw_func = SetTextCursor;
12988
12989         if (button_press_event)
12990         {
12991           draw_func(sx, sy, sx, sy, new_element, FALSE);
12992           start_sx = last_sx = sx;
12993           start_sy = last_sy = sy;
12994
12995           if (drawing_function == GADGET_ID_TEXT)
12996             DrawLevelText(0, 0, 0, TEXT_END);
12997         }
12998         else if (button_release_event)
12999         {
13000           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
13001           if (drawing_function == GADGET_ID_GRAB_BRUSH)
13002           {
13003             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
13004             CopyBrushToCursor(sx, sy);
13005             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
13006                           MB_LEFTBUTTON);
13007             draw_with_brush = TRUE;
13008           }
13009           else if (drawing_function == GADGET_ID_TEXT)
13010             DrawLevelText(sx, sy, 0, TEXT_INIT);
13011           else
13012             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13013         }
13014         else if (last_sx != sx || last_sy != sy)
13015         {
13016           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
13017           if (IS_MM_WALL_EDITOR(new_element))   // clear wall background
13018             draw_func(start_sx, start_sy, sx, sy, EL_EMPTY, FALSE);
13019           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
13020           last_sx = sx;
13021           last_sy = sy;
13022         }
13023       }
13024       break;
13025
13026     case GADGET_ID_FLOOD_FILL:
13027       if (button_press_event && Feld[lx][ly] != new_element)
13028       {
13029         if (IS_MM_WALL_EDITOR(new_element))
13030           FloodFillWall_MM(sx2, sy2, new_element);
13031         else
13032           FloodFill(lx, ly, new_element);
13033
13034         DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13035         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13036       }
13037       break;
13038
13039     case GADGET_ID_PICK_ELEMENT:
13040       if (button_release_event)
13041         ClickOnGadget(level_editor_gadget[last_drawing_function],
13042                       MB_LEFTBUTTON);
13043       else if (draw_level)
13044         PickDrawingElement(button, Feld[lx][ly]);
13045       else
13046       {
13047         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
13048
13049         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
13050       }
13051
13052     default:
13053       break;
13054   }
13055
13056   // do not mark level as modified for certain non-level-changing gadgets
13057   if ((type_id >= ED_DRAWING_ID_EDITOR_FIRST &&
13058        type_id <= ED_DRAWING_ID_EDITOR_LAST) ||
13059       actual_drawing_function == GADGET_ID_GRAB_BRUSH ||
13060       actual_drawing_function == GADGET_ID_PICK_ELEMENT)
13061     return;
13062
13063   level.changed = TRUE;
13064 }
13065
13066 static void HandleCounterButtons(struct GadgetInfo *gi)
13067 {
13068   int gadget_id = gi->custom_id;
13069   int counter_id = gi->custom_type_id;
13070   int button = gi->event.button;
13071   int *counter_value = counterbutton_info[counter_id].value;
13072   int step = BUTTON_STEPSIZE(button) *
13073     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
13074
13075   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
13076   {
13077     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
13078     boolean released = (gi->event.type == GD_EVENT_RELEASED);
13079     boolean level_changed = LevelChanged();
13080
13081     if ((level_changed && pressed) || (!level_changed && released))
13082       return;
13083
13084     if (level_changed && !Request("Level has changed! Discard changes?",
13085                                   REQ_ASK))
13086     {
13087       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
13088         ModifyEditorCounterValue(counter_id, *counter_value);
13089
13090       return;
13091     }
13092   }
13093
13094   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
13095     *counter_value = gi->textinput.number_value;
13096   else
13097     ModifyEditorCounterValue(counter_id, *counter_value + step);
13098
13099   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
13100   {
13101     int last_game_engine_type = level.game_engine_type;
13102
13103     LoadLevel(level_nr);
13104     LoadScore(level_nr);
13105
13106     SaveLevelSetup_SeriesInfo();
13107
13108     TapeErase();
13109
13110     ResetUndoBuffer();
13111     DrawEditModeWindow();
13112
13113     if (level.game_engine_type != last_game_engine_type)
13114     {
13115       // update element selection list
13116       ReinitializeElementList();
13117       ModifyEditorElementList();
13118     }
13119
13120     return;
13121   }
13122
13123   switch (counter_id)
13124   {
13125     case ED_COUNTER_ID_YAMYAM_CONTENT:
13126       DrawYamYamContentAreas();
13127       break;
13128
13129     case ED_COUNTER_ID_BALL_CONTENT:
13130       DrawMagicBallContentAreas();
13131       break;
13132
13133     case ED_COUNTER_ID_ANDROID_CONTENT:
13134       DrawAndroidElementArea(properties_element);
13135       break;
13136
13137     case ED_COUNTER_ID_GROUP_CONTENT:
13138       DrawGroupElementArea(properties_element);
13139       CopyGroupElementPropertiesToGame(properties_element);
13140       break;
13141
13142     case ED_COUNTER_ID_INVENTORY_SIZE:
13143       DrawPlayerInitialInventoryArea(properties_element);
13144       break;
13145
13146     case ED_COUNTER_ID_ENVELOPE_XSIZE:
13147     case ED_COUNTER_ID_ENVELOPE_YSIZE:
13148       DrawEnvelopeTextArea(-1);
13149       break;
13150
13151     case ED_COUNTER_ID_LEVEL_XSIZE:
13152     case ED_COUNTER_ID_LEVEL_YSIZE:
13153       lev_fieldx = level.fieldx;
13154       lev_fieldy = level.fieldy;
13155
13156       // check if resizing of level results in change of border border
13157       SetBorderElement();
13158
13159       break;
13160
13161     default:
13162       break;
13163   }
13164
13165   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
13166        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
13167       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
13168        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
13169     CopyElementPropertiesToGame(properties_element);
13170
13171   // do not mark level as modified for certain non-level-changing gadgets
13172   if ((counter_id >= ED_COUNTER_ID_LEVELSET_FIRST &&
13173        counter_id <= ED_COUNTER_ID_LEVELSET_LAST) ||
13174       (counter_id >= ED_COUNTER_ID_EDITOR_FIRST &&
13175        counter_id <= ED_COUNTER_ID_EDITOR_LAST))
13176     return;
13177
13178   level.changed = TRUE;
13179 }
13180
13181 static void HandleTextInputGadgets(struct GadgetInfo *gi)
13182 {
13183   int type_id = gi->custom_type_id;
13184
13185   strcpy(textinput_info[type_id].value, gi->textinput.value);
13186
13187   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
13188   {
13189     CopyElementPropertiesToGame(properties_element);
13190
13191     ModifyEditorElementList();  // update changed button info text
13192   }
13193
13194   // do not mark level as modified for certain non-level-changing gadgets
13195   if (type_id >= ED_TEXTINPUT_ID_LEVELSET_FIRST &&
13196       type_id <= ED_TEXTINPUT_ID_LEVELSET_LAST)
13197     return;
13198
13199   level.changed = TRUE;
13200 }
13201
13202 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
13203 {
13204   int type_id = gi->custom_type_id;
13205
13206   strncpy(textarea_info[type_id].value, gi->textarea.value,
13207           MAX_ENVELOPE_TEXT_LEN);
13208   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
13209
13210   level.changed = TRUE;
13211 }
13212
13213 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
13214 {
13215   int type_id = gi->custom_type_id;
13216   int value_old = *selectbox_info[type_id].value;
13217   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
13218
13219   *selectbox_info[type_id].value = value_new;
13220
13221   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE)
13222   {
13223     DrawLevelInfoWindow();
13224   }
13225   else if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
13226   {
13227     element_info[properties_element].current_change_page = gi->selectbox.index;
13228
13229     DrawPropertiesWindow();
13230   }
13231   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
13232             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
13233            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
13234             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
13235            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
13236   {
13237     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
13238     {
13239       // when changing action type, also check action mode and action arg
13240       if (value_old != value_new)
13241         setSelectboxSpecialActionVariablesIfNeeded();
13242
13243       DrawPropertiesChange();
13244     }
13245
13246     CopyElementPropertiesToGame(properties_element);
13247   }
13248   else if (type_id == ED_SELECTBOX_ID_GAME_ENGINE_TYPE)
13249   {
13250     // update element selection list
13251     ReinitializeElementList();
13252     ModifyEditorElementList();
13253   }
13254
13255   // do not mark level as modified for certain non-level-changing gadgets
13256   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE ||
13257       type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
13258     return;
13259
13260   level.changed = TRUE;
13261 }
13262
13263 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
13264 {
13265   int type_id = gi->custom_type_id;
13266   int i;
13267
13268   if (type_id >= ED_TAB_BUTTON_ID_LEVELINFO_FIRST &&
13269       type_id <= ED_TAB_BUTTON_ID_LEVELINFO_LAST)
13270   {
13271     edit_mode_levelinfo = gi->custom_type_id;
13272
13273     DrawLevelInfoWindow();
13274   }
13275   else if (type_id >= ED_TAB_BUTTON_ID_PROPERTIES_FIRST &&
13276            type_id <= ED_TAB_BUTTON_ID_PROPERTIES_LAST)
13277   {
13278     edit_mode_properties = gi->custom_type_id;
13279
13280     DrawPropertiesWindow();
13281   }
13282   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1 ||
13283            type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2)
13284   {
13285     boolean new_template = !fileExists(getLocalLevelTemplateFilename());
13286
13287     // backup original "level.field" (needed to track playfield changes)
13288     CopyPlayfield(level.field, FieldBackup);
13289
13290     // "SaveLevelTemplate()" uses "level.field", so copy editor playfield
13291     CopyPlayfield(Feld, level.field);
13292
13293     if (new_template ||
13294         Request("Save this template and kill the old?", REQ_ASK))
13295       SaveLevelTemplate();
13296
13297     if (new_template)
13298       Request("Template saved!", REQ_CONFIRM);
13299
13300     // restore original "level.field" (needed to track playfield changes)
13301     CopyPlayfield(FieldBackup, level.field);
13302   }
13303   else if (type_id == ED_TEXTBUTTON_ID_SAVE_LEVELSET)
13304   {
13305     char *levelset_subdir = getLevelSubdirFromSaveMode(levelset_save_mode);
13306
13307     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE &&
13308         leveldir_current->readonly)
13309     {
13310       Request("This level set is read only!", REQ_CONFIRM);
13311
13312       return;
13313     }
13314
13315     if (strEqual(levelset_name, ""))
13316     {
13317       Request("Please enter level set title!", REQ_CONFIRM);
13318
13319       return;
13320     }
13321
13322     if (strEqual(levelset_author, ""))
13323     {
13324       Request("Please enter level set author!", REQ_CONFIRM);
13325
13326       return;
13327     }
13328
13329     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE)
13330     {
13331       if (UpdateUserLevelSet(levelset_subdir,
13332                              levelset_name,
13333                              levelset_author,
13334                              levelset_num_levels))
13335       {
13336         Request("Level set updated!", REQ_CONFIRM);
13337       }
13338       else
13339       {
13340         Request("Updating level set failed!", REQ_CONFIRM);
13341       }
13342     }
13343     else if (levelset_save_mode == LEVELSET_SAVE_MODE_CREATE)
13344     {
13345       if (level.changed && !Request("Level has changed! Discard changes?",
13346                                      REQ_ASK))
13347         return;
13348
13349       if (CreateUserLevelSet(levelset_subdir,
13350                              levelset_name,
13351                              levelset_author,
13352                              levelset_num_levels,
13353                              levelset_use_levelset_artwork))
13354       {
13355         if (levelset_copy_level_template)
13356           CopyLevelTemplateToUserLevelSet(levelset_subdir);
13357
13358         Request("New level set created!", REQ_CONFIRM);
13359
13360         AddUserLevelSetToLevelInfo(levelset_subdir);
13361         ChangeEditorToLevelSet(levelset_subdir);
13362       }
13363       else
13364       {
13365         Request("Creating new level set failed!", REQ_CONFIRM);
13366       }
13367     }
13368   }
13369   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
13370            custom_element.num_change_pages < MAX_CHANGE_PAGES)
13371   {
13372     struct ElementInfo *ei = &element_info[properties_element];
13373
13374     // when modifying custom element, ask for copying level template
13375     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
13376       return;
13377
13378     setElementChangePages(ei, ei->num_change_pages + 1);
13379
13380     // set new change page to be new current change page
13381     ei->current_change_page = ei->num_change_pages - 1;
13382     ei->change = &ei->change_page[ei->current_change_page];
13383
13384     setElementChangeInfoToDefaults(ei->change);
13385
13386     DrawPropertiesWindow();
13387
13388     level.changed = TRUE;
13389   }
13390   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
13391            custom_element.num_change_pages > MIN_CHANGE_PAGES)
13392   {
13393     struct ElementInfo *ei = &element_info[properties_element];
13394
13395     // when modifying custom element, ask for copying level template
13396     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
13397       return;
13398
13399     // copy all change pages after change page to be deleted
13400     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
13401       ei->change_page[i] = ei->change_page[i + 1];
13402
13403     setElementChangePages(ei, ei->num_change_pages - 1);
13404
13405     DrawPropertiesWindow();
13406
13407     level.changed = TRUE;
13408   }
13409 }
13410
13411 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
13412 {
13413   int type_id = gi->custom_type_id;
13414
13415   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
13416       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
13417   {
13418     struct ElementInfo *ei = &element_info[properties_element];
13419     int step = BUTTON_STEPSIZE(gi->event.button);
13420
13421     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
13422     ei->current_change_page += step;
13423
13424     if (ei->current_change_page < 0)
13425       ei->current_change_page = 0;
13426     else if (ei->current_change_page >= ei->num_change_pages)
13427       ei->current_change_page = ei->num_change_pages - 1;
13428
13429     DrawPropertiesWindow();
13430   }
13431   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
13432            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
13433   {
13434     struct ElementInfo *ei = &element_info[properties_element];
13435     int current_change_page = ei->current_change_page;
13436
13437     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
13438     {
13439       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
13440         ei->change_page[current_change_page];
13441     }
13442     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
13443     {
13444       // when modifying custom element, ask for copying level template
13445       if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
13446         return;
13447
13448       ei->change_page[current_change_page] =
13449         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
13450
13451       level.changed = TRUE;
13452     }
13453
13454     DrawPropertiesWindow();
13455   }
13456 }
13457
13458 static void HandleRadiobuttons(struct GadgetInfo *gi)
13459 {
13460   int type_id = gi->custom_type_id;
13461
13462   *radiobutton_info[type_id].value =
13463     radiobutton_info[type_id].checked_value;
13464
13465   // do not mark level as modified for certain non-level-changing gadgets
13466   if (type_id >= ED_RADIOBUTTON_ID_EDITOR_FIRST &&
13467       type_id <= ED_RADIOBUTTON_ID_EDITOR_LAST)
13468     return;
13469
13470   level.changed = TRUE;
13471 }
13472
13473 static void HandleCheckbuttons(struct GadgetInfo *gi)
13474 {
13475   int type_id = gi->custom_type_id;
13476
13477   *checkbutton_info[type_id].value ^= TRUE;
13478
13479   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
13480       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
13481       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
13482       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
13483          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
13484         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
13485          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
13486        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1))
13487   {
13488     CopyElementPropertiesToGame(properties_element);
13489   }
13490
13491   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
13492   {
13493     UpdateCustomElementGraphicGadgets();
13494   }
13495   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1 ||
13496            type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2)
13497   {
13498     boolean template_related_changes_found = FALSE;
13499     int i;
13500
13501     // check if any custom or group elements have been changed
13502     for (i = 0; i < NUM_FILE_ELEMENTS; i++)
13503       if ((IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)) &&
13504           element_info[i].modified_settings)
13505         template_related_changes_found = TRUE;
13506
13507     if (level.use_custom_template &&
13508         !fileExists(getGlobalLevelTemplateFilename()))
13509     {
13510       Request("No level template found!", REQ_CONFIRM);
13511
13512       level.use_custom_template = FALSE;
13513
13514       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
13515
13516       return;
13517     }
13518
13519     if (level.use_custom_template &&
13520         template_related_changes_found &&
13521         !Request("Discard changes and use level template?", REQ_ASK))
13522     {
13523       level.use_custom_template = FALSE;
13524
13525       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
13526
13527       return;
13528     }
13529
13530     if (!level.use_custom_template &&
13531         Request("Copy settings from level template?", REQ_ASK))
13532     {
13533       return;
13534     }
13535
13536     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
13537
13538     DrawEditModeWindow();
13539   }
13540   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3)
13541   {
13542     if (setup.editor.use_template_for_new_levels &&
13543         !fileExists(getGlobalLevelTemplateFilename()))
13544     {
13545       Request("No level template found!", REQ_CONFIRM);
13546
13547       return;
13548     }
13549
13550     if (setup.editor.use_template_for_new_levels &&
13551         level.changed &&
13552         !Request("Discard level and load template?", REQ_ASK))
13553     {
13554       return;
13555     }
13556
13557     if (!setup.editor.use_template_for_new_levels &&
13558         level.changed &&
13559         !Request("Discard level and use empty level?", REQ_ASK))
13560     {
13561       return;
13562     }
13563
13564     LoadLevel(level_nr);
13565     LoadScore(level_nr);
13566
13567     TapeErase();
13568
13569     ResetUndoBuffer();
13570     DrawEditModeWindow();
13571   }
13572   else if (type_id == ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS)
13573   {
13574     SetAutomaticNumberOfGemsNeeded();
13575   }
13576
13577   // do not mark level as modified for certain non-level-changing gadgets
13578   if ((type_id >= ED_CHECKBUTTON_ID_LEVELSET_FIRST &&
13579        type_id <= ED_CHECKBUTTON_ID_LEVELSET_LAST) ||
13580       (type_id >= ED_CHECKBUTTON_ID_EDITOR_FIRST &&
13581        type_id <= ED_CHECKBUTTON_ID_EDITOR_LAST &&
13582        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2) ||
13583       type_id == ED_CHECKBUTTON_ID_STICK_ELEMENT)
13584     return;
13585
13586   level.changed = TRUE;
13587 }
13588
13589 static void HandleControlButtons(struct GadgetInfo *gi)
13590 {
13591   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
13592   static int last_edit_mode = ED_MODE_DRAWING;
13593   static int last_custom_copy_mode = -1;
13594   static int last_button = 0;
13595   int id = gi->custom_id;
13596   int button = gi->event.button;
13597   int step = BUTTON_STEPSIZE(button);
13598   int new_element = BUTTON_ELEMENT(button);
13599   int last_properties_element = properties_element;
13600   int x, y;
13601
13602   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
13603     DrawLevelText(0, 0, 0, TEXT_END);
13604
13605   if (id < ED_NUM_CTRL1_BUTTONS &&
13606       id != GADGET_ID_SINGLE_ITEMS &&
13607       id != GADGET_ID_PICK_ELEMENT &&
13608       edit_mode != ED_MODE_DRAWING &&
13609       drawing_function != GADGET_ID_PICK_ELEMENT &&
13610       !(GetKeyModState() & KMOD_Control))
13611     ChangeEditModeWindow(ED_MODE_DRAWING);
13612
13613   // element copy mode active, but no element button pressed => deactivate
13614   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
13615     last_custom_copy_mode = -1;
13616
13617   // when showing palette on element buttons, change element of button used
13618   if (editor.palette.show_on_element_buttons &&
13619       id >= GADGET_ID_ELEMENT_LEFT && id <= GADGET_ID_ELEMENT_RIGHT)
13620   {
13621     last_button = id - GADGET_ID_ELEMENT_LEFT + 1;
13622
13623     id = GADGET_ID_PALETTE;
13624   }
13625
13626   switch (id)
13627   {
13628     case GADGET_ID_SCROLL_LEFT:
13629       if (level_xpos >= 0)
13630       {
13631         if (lev_fieldx < ed_fieldx - 2)
13632           break;
13633
13634         level_xpos -= step;
13635         if (level_xpos < -1)
13636           level_xpos = -1;
13637         if (button == 1)
13638           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
13639         else
13640           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13641
13642         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
13643                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
13644       }
13645       break;
13646
13647     case GADGET_ID_SCROLL_RIGHT:
13648       if (level_xpos <= lev_fieldx - ed_fieldx)
13649       {
13650         if (lev_fieldx < ed_fieldx - 2)
13651           break;
13652
13653         level_xpos += step;
13654         if (level_xpos > lev_fieldx - ed_fieldx + 1)
13655           level_xpos = lev_fieldx - ed_fieldx + 1;
13656         if (button == 1)
13657           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
13658         else
13659           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13660
13661         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
13662                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
13663       }
13664       break;
13665
13666     case GADGET_ID_SCROLL_UP:
13667       if (level_ypos >= 0)
13668       {
13669         if (lev_fieldy < ed_fieldy - 2)
13670           break;
13671
13672         level_ypos -= step;
13673         if (level_ypos < -1)
13674           level_ypos = -1;
13675         if (button == 1)
13676           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
13677         else
13678           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13679
13680         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
13681                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
13682       }
13683       break;
13684
13685     case GADGET_ID_SCROLL_DOWN:
13686       if (level_ypos <= lev_fieldy - ed_fieldy)
13687       {
13688         if (lev_fieldy < ed_fieldy - 2)
13689           break;
13690
13691         level_ypos += step;
13692         if (level_ypos > lev_fieldy - ed_fieldy + 1)
13693           level_ypos = lev_fieldy - ed_fieldy + 1;
13694         if (button == 1)
13695           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_UP);
13696         else
13697           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13698
13699         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
13700                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
13701       }
13702       break;
13703
13704     case GADGET_ID_SCROLL_HORIZONTAL:
13705       level_xpos = gi->event.item_position - 1;
13706
13707       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13708       BackToFront();
13709
13710       break;
13711
13712     case GADGET_ID_SCROLL_VERTICAL:
13713       level_ypos = gi->event.item_position - 1;
13714
13715       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13716       BackToFront();
13717
13718       break;
13719
13720     case GADGET_ID_SCROLL_LIST_UP:
13721     case GADGET_ID_SCROLL_LIST_DOWN:
13722     case GADGET_ID_SCROLL_LIST_VERTICAL:
13723       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
13724         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
13725       else
13726       {
13727         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
13728         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
13729
13730         if (element_shift < 0)
13731           element_shift = 0;
13732         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
13733           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
13734
13735         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
13736                      GDI_SCROLLBAR_ITEM_POSITION,
13737                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
13738       }
13739
13740       ModifyEditorElementList();
13741
13742       break;
13743
13744     case GADGET_ID_PROPERTIES:
13745       // always switch off element properties when they are already displayed
13746       last_properties_element = new_element;
13747     case GADGET_ID_ELEMENT_LEFT:
13748     case GADGET_ID_ELEMENT_MIDDLE:
13749     case GADGET_ID_ELEMENT_RIGHT:
13750       properties_element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
13751                             id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
13752                             id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 :
13753                             new_element);
13754
13755       if (edit_mode != ED_MODE_PROPERTIES)
13756       {
13757         last_edit_mode = edit_mode;
13758
13759         ChangeEditModeWindow(ED_MODE_PROPERTIES);
13760
13761         last_level_drawing_function = drawing_function;
13762         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
13763                       MB_LEFTBUTTON);
13764       }
13765       else if (properties_element != last_properties_element)
13766       {
13767         DrawEditModeWindow();
13768       }
13769       else
13770       {
13771         ChangeEditModeWindow(last_edit_mode);
13772
13773         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
13774                       MB_LEFTBUTTON);
13775       }
13776       break;
13777
13778     case GADGET_ID_PALETTE:
13779       if (edit_mode != ED_MODE_PALETTE)
13780       {
13781         last_edit_mode = edit_mode;
13782
13783         ChangeEditModeWindow(ED_MODE_PALETTE);
13784       }
13785       else
13786       {
13787         ChangeEditModeWindow(last_edit_mode);
13788       }
13789       break;
13790
13791     case GADGET_ID_WRAP_LEFT:
13792       WrapLevel(-step, 0);
13793       break;
13794
13795     case GADGET_ID_WRAP_RIGHT:
13796       WrapLevel(step, 0);
13797       break;
13798
13799     case GADGET_ID_WRAP_UP:
13800       WrapLevel(0, -step);
13801       break;
13802
13803     case GADGET_ID_WRAP_DOWN:
13804       WrapLevel(0, step);
13805       break;
13806
13807     case GADGET_ID_SINGLE_ITEMS:
13808     case GADGET_ID_CONNECTED_ITEMS:
13809     case GADGET_ID_LINE:
13810     case GADGET_ID_ARC:
13811     case GADGET_ID_TEXT:
13812     case GADGET_ID_RECTANGLE:
13813     case GADGET_ID_FILLED_BOX:
13814     case GADGET_ID_FLOOD_FILL:
13815     case GADGET_ID_GRAB_BRUSH:
13816     case GADGET_ID_PICK_ELEMENT:
13817       if (drawing_function != GADGET_ID_PICK_ELEMENT)
13818         last_drawing_function = drawing_function;
13819       drawing_function = id;
13820       draw_with_brush = FALSE;
13821       break;
13822
13823     case GADGET_ID_RANDOM_PLACEMENT:
13824       RandomPlacement(new_element);
13825       break;
13826
13827     case GADGET_ID_ZOOM:
13828       // zoom level editor tile size in or out (or reset to default size)
13829       ed_tilesize = (button == 1 ? ed_tilesize * 2 :
13830                      button == 2 ? ed_tilesize_default :
13831                      button == 3 ? ed_tilesize / 2 : ed_tilesize);
13832
13833       // when using touch device, cycle through all zoom tilesizes
13834       if (runtime.uses_touch_device && ed_tilesize > TILESIZE)
13835         ed_tilesize = MICRO_TILESIZE;
13836
13837       // limit zoom level by upper and lower bound
13838       ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
13839
13840       InitZoomLevelSettings(ed_tilesize);
13841
13842       if (edit_mode == ED_MODE_DRAWING)
13843       {
13844         DrawDrawingWindow();
13845
13846         // redraw zoom gadget info text
13847         PrintEditorGadgetInfoText(level_editor_gadget[id]);
13848       }
13849
13850       // save current editor zoom tilesize
13851       SaveSetup_AutoSetup();
13852
13853       break;
13854
13855     case GADGET_ID_CUSTOM_COPY_FROM:
13856     case GADGET_ID_CUSTOM_COPY_TO:
13857     case GADGET_ID_CUSTOM_EXCHANGE:
13858       last_custom_copy_mode = id;
13859       last_drawing_function = drawing_function;
13860       break;
13861
13862     case GADGET_ID_CUSTOM_COPY:
13863       CopyCustomElement(properties_element, -1, id);
13864       break;
13865
13866     case GADGET_ID_CUSTOM_PASTE:
13867       CopyCustomElement(-1, properties_element, id);
13868       break;
13869
13870     case GADGET_ID_UNDO:
13871       if (button < 0)   // keep button value (even if modifier keys are pressed)
13872         button = -button;
13873       else if (button == 1 && GetKeyModState() & (KMOD_Shift | KMOD_Control))
13874         button = 3;
13875
13876       if (button == 1 && undo_buffer_steps == 0)
13877       {
13878         Request("Undo buffer empty!", REQ_CONFIRM);
13879
13880         break;
13881       }
13882       else if (button == 2)
13883       {
13884         break;
13885       }
13886       else if (button == 3 && redo_buffer_steps == 0)
13887       {
13888         Request("Redo buffer empty!", REQ_CONFIRM);
13889
13890         break;
13891       }
13892
13893       if (edit_mode != ED_MODE_DRAWING)
13894         ChangeEditModeWindow(ED_MODE_DRAWING);
13895
13896       if (button == 1)
13897       {
13898         // undo
13899
13900         undo_buffer_position =
13901           (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
13902
13903         undo_buffer_steps--;
13904         redo_buffer_steps++;
13905       }
13906       else
13907       {
13908         // redo
13909
13910         undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
13911
13912         undo_buffer_steps++;
13913         redo_buffer_steps--;
13914       }
13915
13916       for (x = 0; x < lev_fieldx; x++)
13917         for (y = 0; y < lev_fieldy; y++)
13918           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
13919
13920       // check if undo operation forces change of border style
13921       CheckLevelBorderElement(FALSE);
13922
13923       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13924
13925       break;
13926
13927     case GADGET_ID_INFO:
13928       if (edit_mode != ED_MODE_INFO)
13929       {
13930         last_edit_mode = edit_mode;
13931
13932         ChangeEditModeWindow(ED_MODE_INFO);
13933       }
13934       else
13935       {
13936         ChangeEditModeWindow(last_edit_mode);
13937       }
13938       break;
13939
13940     case GADGET_ID_CLEAR:
13941       if (edit_mode != ED_MODE_DRAWING)
13942         ChangeEditModeWindow(ED_MODE_DRAWING);
13943
13944       for (x = 0; x < MAX_LEV_FIELDX; x++)
13945         for (y = 0; y < MAX_LEV_FIELDY; y++)
13946           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
13947
13948       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
13949
13950       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13951       break;
13952
13953     case GADGET_ID_SAVE:
13954     {
13955       // saving read-only levels into personal level set modifies global vars
13956       // "leveldir_current" and "level_nr"; restore them after saving level
13957       LevelDirTree *leveldir_former = leveldir_current;
13958       int level_nr_former = level_nr;
13959       char *level_filename;
13960       boolean new_level;
13961
13962       if (leveldir_current->readonly &&
13963           !PrepareSavingIntoPersonalLevelSet())
13964         break;
13965
13966       level_filename = getDefaultLevelFilename(level_nr);
13967       new_level = !fileExists(level_filename);
13968
13969       if (new_level ||
13970           Request("Save this level and kill the old?", REQ_ASK))
13971       {
13972         if (leveldir_former->readonly)
13973           ModifyLevelInfoForSavingIntoPersonalLevelSet(leveldir_former->name);
13974
13975         SetAutomaticNumberOfGemsNeeded();
13976
13977         CopyPlayfield(Feld, level.field);
13978         SaveLevel(level_nr);
13979
13980         level.changed = FALSE;
13981
13982         if (new_level)
13983         {
13984           char level_saved_msg[64];
13985
13986           if (leveldir_former->readonly)
13987             sprintf(level_saved_msg,
13988                     "Level saved as level %d into personal level set!",
13989                     level_nr);
13990           else
13991             strcpy(level_saved_msg, "Level saved!");
13992
13993           Request(level_saved_msg, REQ_CONFIRM);
13994         }
13995       }
13996
13997       // "cd" back to copied-from levelset (in case of saved read-only level)
13998       leveldir_current = leveldir_former;
13999       level_nr = level_nr_former;
14000
14001       break;
14002     }
14003
14004     case GADGET_ID_TEST:
14005       if (LevelChanged())
14006         level.game_version = GAME_VERSION_ACTUAL;
14007
14008       CopyPlayfield(level.field, FieldBackup);
14009       CopyPlayfield(Feld, level.field);
14010
14011       CopyNativeLevel_RND_to_Native(&level);
14012
14013       UnmapLevelEditorGadgets();
14014       UndrawSpecialEditorDoor();
14015
14016       CloseDoor(DOOR_CLOSE_ALL);
14017
14018       // needed before playing if editor playfield area has different size
14019       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
14020
14021       // redraw_mask = REDRAW_ALL;
14022
14023       level_editor_test_game = TRUE;
14024
14025       StartGameActions(FALSE, setup.autorecord, level.random_seed);
14026
14027       break;
14028
14029     case GADGET_ID_EXIT:
14030       RequestExitLevelEditor(TRUE, FALSE);  // if level has changed, ask user
14031       break;
14032
14033     default:
14034       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
14035           id <= GADGET_ID_ELEMENTLIST_LAST)
14036       {
14037         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
14038         int new_element = editor_elements[element_position + element_shift];
14039
14040         if (IS_EDITOR_CASCADE(new_element))
14041         {
14042           int i;
14043
14044           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
14045           {
14046             int *cascade_element= &(*editor_elements_info[i].headline_list)[0];
14047             boolean *cascade_value=editor_elements_info[i].setup_cascade_value;
14048
14049             if (*cascade_element == new_element)
14050             {
14051               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
14052               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
14053
14054               // update element selection list
14055               ReinitializeElementList();
14056               ModifyEditorElementList();
14057
14058               // update cascading gadget info text
14059               PrintEditorGadgetInfoText(level_editor_gadget[id]);
14060
14061               // save current editor cascading state
14062               SaveSetup_EditorCascade();
14063
14064               break;
14065             }
14066           }
14067
14068           break;
14069         }
14070
14071         if (last_custom_copy_mode != -1)
14072         {
14073           if (CopyCustomElement(properties_element, new_element,
14074                                 last_custom_copy_mode))
14075           {
14076             ClickOnGadget(level_editor_gadget[last_drawing_function],
14077                           MB_LEFTBUTTON);
14078
14079             last_custom_copy_mode = -1;
14080           }
14081
14082           break;
14083         }
14084
14085         // change element of button used to show palette
14086         if (editor.palette.show_on_element_buttons)
14087           button = last_button;
14088
14089         PickDrawingElement(button, new_element);
14090
14091         if (!stick_element_properties_window &&
14092             drawing_function != GADGET_ID_PICK_ELEMENT &&
14093             !(GetKeyModState() & KMOD_Control))
14094         {
14095           properties_element = new_element;
14096           if (edit_mode == ED_MODE_PROPERTIES)
14097             DrawPropertiesWindow();
14098         }
14099
14100         if (drawing_function == GADGET_ID_PICK_ELEMENT)
14101           ClickOnGadget(level_editor_gadget[last_drawing_function],
14102                         MB_LEFTBUTTON);
14103
14104         if (!use_permanent_palette)
14105           ChangeEditModeWindow(last_edit_mode);
14106       }
14107 #ifdef DEBUG
14108       else if (gi->event.type == GD_EVENT_PRESSED)
14109         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
14110       else if (gi->event.type == GD_EVENT_RELEASED)
14111         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
14112       else if (gi->event.type == GD_EVENT_MOVING)
14113         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
14114       else
14115         printf("default: HandleControlButtons: ? (id == %d)\n", id);
14116 #endif
14117       break;
14118   }
14119 }
14120
14121 void HandleLevelEditorKeyInput(Key key)
14122 {
14123   char letter = getCharFromKey(key);
14124
14125   if (drawing_function == GADGET_ID_TEXT &&
14126       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
14127   {
14128     if (letter)
14129       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
14130     else if (key == KSYM_Delete || key == KSYM_BackSpace)
14131       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
14132     else if (key == KSYM_Return)
14133       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
14134     else if (key == KSYM_Escape)
14135       DrawLevelText(0, 0, 0, TEXT_END);
14136
14137     return;
14138   }
14139
14140   int id = GADGET_ID_NONE;
14141   int new_element_shift = element_shift;
14142   int step = ED_ELEMENTLIST_BUTTONS_VERT - 1;
14143   int button = MB_LEFTBUTTON;
14144   int i;
14145
14146   switch (key)
14147   {
14148     case KSYM_Left:
14149       id = GADGET_ID_SCROLL_LEFT;
14150       break;
14151     case KSYM_Right:
14152       id = GADGET_ID_SCROLL_RIGHT;
14153       break;
14154     case KSYM_Up:
14155       id = GADGET_ID_SCROLL_UP;
14156       break;
14157     case KSYM_Down:
14158       id = GADGET_ID_SCROLL_DOWN;
14159       break;
14160
14161     case KSYM_Page_Up:
14162     case KSYM_Page_Down:
14163       step *= (key == KSYM_Page_Up ? -1 : +1);
14164       element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
14165
14166       if (element_shift < 0)
14167         element_shift = 0;
14168       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
14169         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
14170
14171       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
14172                    GDI_SCROLLBAR_ITEM_POSITION,
14173                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
14174
14175       ModifyEditorElementList();
14176
14177       break;
14178
14179     case KSYM_Home:
14180     case KSYM_End:
14181       element_shift = (key == KSYM_Home ? 0 :
14182                        num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
14183
14184       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
14185                    GDI_SCROLLBAR_ITEM_POSITION,
14186                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
14187
14188       ModifyEditorElementList();
14189
14190       break;
14191
14192     case KSYM_Insert:
14193     case KSYM_Delete:
14194
14195       // this is needed to prevent interference with running "True X-Mouse"
14196       if (GetKeyModStateFromEvents() & KMOD_Control)
14197         break;
14198
14199       // check for last or next editor cascade block in element list
14200       for (i = 0; i < num_editor_elements; i++)
14201       {
14202         if ((key == KSYM_Insert && i == element_shift) ||
14203             (key == KSYM_Delete && new_element_shift > element_shift))
14204           break;
14205
14206         // jump to next cascade block (or to start of element list)
14207         if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
14208           new_element_shift = i;
14209       }
14210
14211       if (i < num_editor_elements)
14212         element_shift = new_element_shift;
14213
14214       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
14215         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
14216
14217       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
14218                    GDI_SCROLLBAR_ITEM_POSITION,
14219                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
14220
14221       ModifyEditorElementList();
14222
14223       break;
14224
14225     case KSYM_Escape:
14226       if (edit_mode == ED_MODE_DRAWING)
14227         RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
14228       else if (edit_mode == ED_MODE_INFO)
14229         HandleControlButtons(level_editor_gadget[GADGET_ID_INFO]);
14230       else if (edit_mode == ED_MODE_PROPERTIES)
14231         HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
14232       else if (edit_mode == ED_MODE_PALETTE)
14233         HandleControlButtons(level_editor_gadget[GADGET_ID_PALETTE]);
14234       else              // should never happen
14235         ChangeEditModeWindow(ED_MODE_DRAWING);
14236
14237       break;
14238
14239     default:
14240       break;
14241   }
14242
14243   if (id != GADGET_ID_NONE)
14244     ClickOnGadget(level_editor_gadget[id], button);
14245   else if (letter == '1' || letter == '?')
14246     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_LEFT], button);
14247   else if (letter == '2')
14248     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_MIDDLE], button);
14249   else if (letter == '3')
14250     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_RIGHT], button);
14251   else if (letter == '.')
14252     ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
14253   else if (letter == 'U')
14254     ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
14255   else if (letter == '-' || key == KSYM_KP_Subtract)
14256     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 3);
14257   else if (letter == '0' || key == KSYM_KP_0)
14258     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 2);
14259   else if (letter == '+' || key == KSYM_KP_Add ||
14260            letter == '=')       // ("Shift-=" is "+" on US keyboards)
14261     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 1);
14262   else if (key == KSYM_Return ||
14263            key == KSYM_space ||
14264            key == setup.shortcut.toggle_pause)
14265     ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
14266   else
14267     for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
14268       if (letter && letter == controlbutton_info[i].shortcut)
14269         if (!anyTextGadgetActive())
14270           ClickOnGadget(level_editor_gadget[i], button);
14271 }
14272
14273 void HandleLevelEditorIdle(void)
14274 {
14275   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
14276   int x = editor.settings.element_graphic.x + element_border;
14277   int y = editor.settings.element_graphic.y + element_border;
14278   static unsigned int action_delay = 0;
14279   unsigned int action_delay_value = GameFrameDelay;
14280   int i;
14281
14282   if (edit_mode != ED_MODE_PROPERTIES)
14283     return;
14284
14285   if (!DelayReached(&action_delay, action_delay_value))
14286     return;
14287
14288   for (i = 0; i < ED_NUM_SELECTBOX; i++)
14289   {
14290     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
14291
14292     if (gi->mapped && gi->active && gi->selectbox.open)
14293       return;
14294   }
14295
14296   DrawEditorElementAnimation(SX + x, SY + y);
14297
14298   redraw_mask |= REDRAW_FIELD;
14299
14300   FrameCounter++;       // increase animation frame counter
14301 }
14302
14303 static void ClearEditorGadgetInfoText(void)
14304 {
14305   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
14306 }
14307
14308 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
14309 {
14310   char infotext[MAX_OUTPUT_LINESIZE + 1];
14311   char shortcut[MAX_OUTPUT_LINESIZE + 1];
14312   int max_infotext_len = getMaxInfoTextLength();
14313
14314   if (gi == NULL || strlen(gi->info_text) == 0)
14315     return;
14316
14317   strncpy(infotext, gi->info_text, max_infotext_len);
14318   infotext[max_infotext_len] = '\0';
14319
14320   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
14321   {
14322     int key = controlbutton_info[gi->custom_id].shortcut;
14323
14324     if (key)
14325     {
14326       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)
14327         sprintf(shortcut, " ('.' or '%c')", key);
14328       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT)
14329         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
14330       else if (gi->custom_id == GADGET_ID_TEST)
14331         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
14332       else if (gi->custom_id == GADGET_ID_UNDO)
14333         sprintf(shortcut, " ('%c/Shift-U')", key);
14334       else if (gi->custom_id == GADGET_ID_ZOOM)
14335         sprintf(shortcut, " ('%c', '0', '-')", key);
14336       else
14337         sprintf(shortcut, " ('%s%c')",
14338                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
14339
14340       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
14341         strcat(infotext, shortcut);
14342     }
14343   }
14344
14345   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, INFOTEXT_FONT);
14346 }
14347
14348 void HandleEditorGadgetInfoText(void *ptr)
14349 {
14350   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
14351
14352   if (game_status != GAME_MODE_EDITOR)
14353     return;
14354
14355   ClearEditorGadgetInfoText();
14356
14357   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
14358     return;
14359
14360   // misuse this function to delete brush cursor, if needed
14361   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
14362     DeleteBrushFromCursor();
14363
14364   PrintEditorGadgetInfoText(gi);
14365 }
14366
14367 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
14368 {
14369   static int start_lx, start_ly;
14370   int id = gi->custom_id;
14371   int type_id = gi->custom_type_id;
14372   int sx = gi->event.x;
14373   int sy = gi->event.y;
14374   int lx = sx + level_xpos;
14375   int ly = sy + level_ypos;
14376   int min_sx = 0, min_sy = 0;
14377   int max_sx = gi->drawing.area_xsize - 1;
14378   int max_sy = gi->drawing.area_ysize - 1;
14379   int actual_drawing_function = drawing_function;
14380   int max_infotext_len = getMaxInfoTextLength();
14381   char infotext[MAX_OUTPUT_LINESIZE + 1];
14382   char *text;
14383
14384   infotext[0] = '\0';           // start with empty info text
14385
14386   // pressed Control key: simulate picking element
14387   if (GetKeyModState() & KMOD_Control)
14388     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
14389
14390   ClearEditorGadgetInfoText();
14391
14392   if (gi->event.type == GD_EVENT_INFO_LEAVING)
14393     return;
14394
14395   // make sure to stay inside drawing area boundaries
14396   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
14397   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
14398
14399   if (id == GADGET_ID_DRAWING_LEVEL)
14400   {
14401     if (button_status)
14402     {
14403       int min_lx = 0, min_ly = 0;
14404       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
14405
14406       // get positions inside level field
14407       lx = sx + level_xpos;
14408       ly = sy + level_ypos;
14409
14410       // make sure to stay inside level field boundaries
14411       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
14412       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
14413
14414       // correct drawing area positions accordingly
14415       sx = lx - level_xpos;
14416       sy = ly - level_ypos;
14417     }
14418
14419     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
14420     {
14421       if (button_status)        // if (gi->state == GD_BUTTON_PRESSED)
14422       {
14423         if (gi->event.type == GD_EVENT_PRESSED)
14424         {
14425           start_lx = lx;
14426           start_ly = ly;
14427         }
14428
14429         switch (actual_drawing_function)
14430         {
14431           case GADGET_ID_SINGLE_ITEMS:
14432             text = "Drawing single items";
14433             break;
14434           case GADGET_ID_CONNECTED_ITEMS:
14435             text = "Drawing connected items";
14436             break;
14437           case GADGET_ID_LINE:
14438             text = "Drawing line";
14439             break;
14440           case GADGET_ID_ARC:
14441             text = "Drawing arc";
14442             break;
14443           case GADGET_ID_TEXT:
14444             text = "Setting text cursor";
14445             break;
14446           case GADGET_ID_RECTANGLE:
14447             text = "Drawing rectangle";
14448             break;
14449           case GADGET_ID_FILLED_BOX:
14450             text = "Drawing filled box";
14451             break;
14452           case GADGET_ID_FLOOD_FILL:
14453             text = "Flood fill";
14454             break;
14455           case GADGET_ID_GRAB_BRUSH:
14456             text = "Grabbing brush";
14457             break;
14458           case GADGET_ID_PICK_ELEMENT:
14459             text = "Picking element";
14460             break;
14461
14462           default:
14463             text = "Drawing position";
14464             break;
14465         }
14466
14467         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
14468           sprintf(infotext, "%s: %d, %d", text, lx, ly);
14469         else
14470           sprintf(infotext, "%s: %d, %d", text,
14471                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
14472       }
14473       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
14474         strncpy(infotext, getElementInfoText(Feld[lx][ly]), max_infotext_len);
14475       else
14476         sprintf(infotext, "Level position: %d, %d", lx, ly);
14477     }
14478
14479     // misuse this function to draw brush cursor, if needed
14480     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
14481     {
14482       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
14483         CopyBrushToCursor(sx, sy);
14484       else
14485         DeleteBrushFromCursor();
14486     }
14487
14488     if (!draw_with_brush)
14489       UpdateBrushPosition(sx, sy);
14490   }
14491   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
14492   {
14493     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
14494     int element = drawingarea_info[type_id].value[pos];
14495
14496     strncpy(infotext, getElementInfoText(element), max_infotext_len);
14497   }
14498   else
14499   {
14500     if (id == GADGET_ID_CUSTOM_CONTENT)
14501       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
14502     else if (id == GADGET_ID_GROUP_CONTENT)
14503       sprintf(infotext, "group element position: %d", sx + 1);
14504     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
14505              id <= GADGET_ID_YAMYAM_CONTENT_7)
14506       sprintf(infotext, "content area %d position: %d, %d",
14507               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
14508     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
14509              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
14510       sprintf(infotext, "content area %d position: %d, %d",
14511               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
14512     else if (id == GADGET_ID_ANDROID_CONTENT)
14513       sprintf(infotext, "android element position: %d", sx + 1);
14514     else if (drawingarea_info[type_id].infotext != NULL)
14515       strcpy(infotext, drawingarea_info[type_id].infotext);
14516   }
14517
14518   infotext[max_infotext_len] = '\0';
14519
14520   if (strlen(infotext) > 0)
14521     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT, infotext);
14522 }
14523
14524 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
14525                             boolean quick_quit)
14526 {
14527   if (!ask_if_level_has_changed ||
14528       !LevelChanged() ||
14529       Request("Level has changed! Exit without saving?",
14530               REQ_ASK | REQ_STAY_OPEN))
14531   {
14532     struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
14533     struct RectWithBorder *vp_door_2 = &viewport.door_2[GAME_MODE_MAIN];
14534
14535     // draw normal door
14536     UndrawSpecialEditorDoor();
14537
14538     // use door animation if door 1 viewport is unchanged and contains toolbox
14539     if (useEditorDoorAnimation())
14540       CloseDoor(DOOR_CLOSE_1 | DOOR_FORCE_ANIM);
14541
14542     // close editor doors if viewport definition is the same as in main menu
14543     if (vp_door_1->x      == DX     &&
14544         vp_door_1->y      == DY     &&
14545         vp_door_1->width  == DXSIZE &&
14546         vp_door_1->height == DYSIZE &&
14547         vp_door_2->x      == VX     &&
14548         vp_door_2->y      == VY     &&
14549         vp_door_2->width  == VXSIZE &&
14550         vp_door_2->height == VYSIZE)
14551       CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
14552     else
14553       SetDoorState(DOOR_CLOSE_2);
14554
14555     BackToFront();
14556
14557     if (quick_quit)
14558       FadeSkipNextFadeIn();
14559
14560     SetGameStatus(GAME_MODE_MAIN);
14561
14562     DrawMainMenu();
14563   }
14564   else
14565   {
14566     if (!global.use_envelope_request)
14567     {
14568       CloseDoor(DOOR_CLOSE_1);
14569       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
14570     }
14571   }
14572 }