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 random seed"               },
2096   { CA_UNDEFINED,               " "                             },
2097   { CA_HEADLINE_PLAYER_ACTIONS, "[player]"                      },
2098   { CA_MOVE_PLAYER,             "move player"                   },
2099   { CA_MOVE_PLAYER_NEW,         "move player new"               },
2100   { CA_EXIT_PLAYER,             "exit player"                   },
2101   { CA_KILL_PLAYER,             "kill player"                   },
2102   { CA_SET_PLAYER_KEYS,         "set keys"                      },
2103   { CA_SET_PLAYER_SPEED,        "set speed"                     },
2104   { CA_SET_PLAYER_SHIELD,       "set shield"                    },
2105   { CA_SET_PLAYER_GRAVITY,      "set gravity"                   },
2106   { CA_SET_PLAYER_ARTWORK,      "set artwork"                   },
2107   { CA_SET_PLAYER_INVENTORY,    "set inventory"                 },
2108   { CA_UNDEFINED,               " "                             },
2109   { CA_HEADLINE_CE_ACTIONS,     "[CE]"                          },
2110   { CA_SET_CE_VALUE,            "set CE value"                  },
2111   { CA_SET_CE_SCORE,            "set CE score"                  },
2112   { CA_SET_CE_ARTWORK,          "set CE artwork"                },
2113   { CA_UNDEFINED,               " "                             },
2114   { CA_HEADLINE_ENGINE_ACTIONS, "[engine]"                      },
2115   { CA_SET_ENGINE_SCAN_MODE,    "set scan mode"                 },
2116
2117   { -1,                         NULL                            }
2118 };
2119
2120 static struct ValueTextInfo options_action_mode_none[] =
2121 {
2122   { CA_MODE_UNDEFINED,          " "                             },
2123
2124   { -1,                         NULL                            }
2125 };
2126
2127 static struct ValueTextInfo options_action_mode_assign[] =
2128 {
2129   { CA_MODE_SET,                "="                             },
2130
2131   { -1,                         NULL                            }
2132 };
2133
2134 static struct ValueTextInfo options_action_mode_add_remove[] =
2135 {
2136   { CA_MODE_ADD,                "+"                             },
2137   { CA_MODE_SUBTRACT,           "-"                             },
2138
2139   { -1,                         NULL                            }
2140 };
2141
2142 static struct ValueTextInfo options_action_mode_calculate[] =
2143 {
2144   { CA_MODE_SET,                "="                             },
2145   { CA_MODE_ADD,                "+"                             },
2146   { CA_MODE_SUBTRACT,           "-"                             },
2147   { CA_MODE_MULTIPLY,           "*"                             },
2148   { CA_MODE_DIVIDE,             "/"                             },
2149   { CA_MODE_MODULO,             "%"                             },
2150
2151   { -1,                         NULL                            }
2152 };
2153
2154 static struct ValueTextInfo options_action_arg_none[] =
2155 {
2156   { CA_ARG_UNDEFINED,           "         "                     },
2157
2158   { -1,                         NULL                            }
2159 };
2160
2161 static struct ValueTextInfo options_action_arg_player[] =
2162 {
2163   { CA_ARG_PLAYER_HEADLINE,     "[player]"                      },
2164   { CA_ARG_PLAYER_1,            "1"                             },
2165   { CA_ARG_PLAYER_2,            "2"                             },
2166   { CA_ARG_PLAYER_3,            "3"                             },
2167   { CA_ARG_PLAYER_4,            "4"                             },
2168   { CA_ARG_PLAYER_ANY,          "any"                           },
2169   { CA_ARG_PLAYER_TRIGGER,      "trigger"                       },
2170   { CA_ARG_PLAYER_ACTION,       "action ->"                     },
2171
2172   { -1,                         NULL                            }
2173 };
2174
2175 static struct ValueTextInfo options_action_arg_number[] =
2176 {
2177   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2178   { CA_ARG_0,                   "0"                             },
2179   { CA_ARG_1,                   "1"                             },
2180   { CA_ARG_2,                   "2"                             },
2181   { CA_ARG_3,                   "3"                             },
2182   { CA_ARG_4,                   "4"                             },
2183   { CA_ARG_5,                   "5"                             },
2184   { CA_ARG_10,                  "10"                            },
2185   { CA_ARG_100,                 "100"                           },
2186   { CA_ARG_1000,                "1000"                          },
2187   { CA_ARG_UNDEFINED,           " "                             },
2188   { CA_ARG_NUMBER_MIN,          "min"                           },
2189   { CA_ARG_NUMBER_MAX,          "max"                           },
2190   { CA_ARG_UNDEFINED,           " "                             },
2191   { CA_ARG_NUMBER_RESET,        "reset"                         },
2192   { CA_ARG_UNDEFINED,           " "                             },
2193   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2194   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2195   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2196   { CA_ARG_UNDEFINED,           " "                             },
2197   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2198   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2199   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2200   { CA_ARG_UNDEFINED,           " "                             },
2201   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2202   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2203   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2204   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2205   { CA_ARG_UNDEFINED,           " "                             },
2206   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2207   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2208   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2209   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2210
2211   { -1,                         NULL                            }
2212 };
2213
2214 static struct ValueTextInfo options_action_arg_value[] =
2215 {
2216   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2217   { CA_ARG_0,                   "0"                             },
2218   { CA_ARG_1,                   "1"                             },
2219   { CA_ARG_2,                   "2"                             },
2220   { CA_ARG_3,                   "3"                             },
2221   { CA_ARG_4,                   "4"                             },
2222   { CA_ARG_5,                   "5"                             },
2223   { CA_ARG_10,                  "10"                            },
2224   { CA_ARG_100,                 "100"                           },
2225   { CA_ARG_1000,                "1000"                          },
2226   { CA_ARG_UNDEFINED,           " "                             },
2227   { CA_ARG_NUMBER_MIN,          "min"                           },
2228   { CA_ARG_NUMBER_MAX,          "max"                           },
2229   { CA_ARG_UNDEFINED,           " "                             },
2230   { CA_ARG_NUMBER_RESET,        "reset"                         },
2231   { CA_ARG_UNDEFINED,           " "                             },
2232   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2233   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2234   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2235   { CA_ARG_UNDEFINED,           " "                             },
2236   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2237   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2238   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2239   { CA_ARG_UNDEFINED,           " "                             },
2240   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2241   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2242   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2243   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2244   { CA_ARG_UNDEFINED,           " "                             },
2245   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2246   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2247   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2248   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2249   { CA_ARG_UNDEFINED,           " "                             },
2250   { CA_ARG_ELEMENT_NR_HEADLINE, "[element]"                     },
2251   { CA_ARG_ELEMENT_NR_TARGET,   "target"                        },
2252   { CA_ARG_ELEMENT_NR_TRIGGER,  "trigger"                       },
2253   { CA_ARG_ELEMENT_NR_ACTION,   "action ->"                     },
2254
2255   { -1,                         NULL                            }
2256 };
2257
2258 static struct ValueTextInfo options_action_arg_envelope[] =
2259 {
2260   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2261   { CA_ARG_1,                   "1"                             },
2262   { CA_ARG_2,                   "2"                             },
2263   { CA_ARG_3,                   "3"                             },
2264   { CA_ARG_4,                   "4"                             },
2265   { CA_ARG_UNDEFINED,           " "                             },
2266   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2267   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2268   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2269   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2270
2271   { -1,                         NULL                            }
2272 };
2273
2274 static struct ValueTextInfo options_action_arg_key[] =
2275 {
2276   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2277   { CA_ARG_1,                   "1"                             },
2278   { CA_ARG_2,                   "2"                             },
2279   { CA_ARG_3,                   "3"                             },
2280   { CA_ARG_4,                   "4"                             },
2281   { CA_ARG_5,                   "5"                             },
2282   { CA_ARG_6,                   "6"                             },
2283   { CA_ARG_7,                   "7"                             },
2284   { CA_ARG_8,                   "8"                             },
2285   { CA_ARG_UNDEFINED,           " "                             },
2286   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2287   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2288   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2289   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2290
2291   { -1,                         NULL                            }
2292 };
2293
2294 static struct ValueTextInfo options_action_arg_speed[] =
2295 {
2296   { CA_ARG_SPEED_HEADLINE,      "[speed]"                       },
2297   { CA_ARG_SPEED_NOT_MOVING,    "frozen"                        },
2298   { CA_ARG_SPEED_VERY_SLOW,     "very slow"                     },
2299   { CA_ARG_SPEED_SLOW,          "slow"                          },
2300   { CA_ARG_SPEED_NORMAL,        "normal"                        },
2301   { CA_ARG_SPEED_FAST,          "fast"                          },
2302   { CA_ARG_SPEED_VERY_FAST,     "very fast"                     },
2303   { CA_ARG_SPEED_EVEN_FASTER,   "ultrafast"                     },
2304   { CA_ARG_UNDEFINED,           " "                             },
2305   { CA_ARG_SPEED_SLOWER,        "slower"                        },
2306   { CA_ARG_SPEED_FASTER,        "faster"                        },
2307   { CA_ARG_UNDEFINED,           " "                             },
2308   { CA_ARG_SPEED_RESET,         "reset"                         },
2309
2310   { -1,                         NULL                            }
2311 };
2312
2313 static struct ValueTextInfo options_action_arg_shield[] =
2314 {
2315   { CA_ARG_SHIELD_HEADLINE,     "[shield]"                      },
2316   { CA_ARG_SHIELD_OFF,          "off"                           },
2317   { CA_ARG_SHIELD_NORMAL,       "normal"                        },
2318   { CA_ARG_SHIELD_DEADLY,       "deadly"                        },
2319
2320   { -1,                         NULL                            }
2321 };
2322
2323 static struct ValueTextInfo options_action_arg_artwork[] =
2324 {
2325   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2326   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2327   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2328   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2329   { CA_ARG_UNDEFINED,           " "                             },
2330   { CA_ARG_ELEMENT_RESET,       "reset"                         },
2331
2332   { -1,                         NULL                            }
2333 };
2334
2335 static struct ValueTextInfo options_action_arg_gravity[] =
2336 {
2337   { CA_ARG_GRAVITY_HEADLINE,    "[gravity]"                     },
2338   { CA_ARG_GRAVITY_ON,          "on"                            },
2339   { CA_ARG_GRAVITY_OFF,         "off"                           },
2340   { CA_ARG_GRAVITY_TOGGLE,      "toggle"                        },
2341
2342   { -1,                         NULL                            }
2343 };
2344
2345 static struct ValueTextInfo options_action_arg_direction[] =
2346 {
2347   { CA_ARG_DIRECTION_HEADLINE,  "[dir.]"                        },
2348   { CA_ARG_DIRECTION_NONE,      "none"                          },
2349   { CA_ARG_DIRECTION_LEFT,      "left"                          },
2350   { CA_ARG_DIRECTION_RIGHT,     "right"                         },
2351   { CA_ARG_DIRECTION_UP,        "up"                            },
2352   { CA_ARG_DIRECTION_DOWN,      "down"                          },
2353   { CA_ARG_DIRECTION_TRIGGER,   "trigger"                       },
2354   { CA_ARG_DIRECTION_TRIGGER_BACK, "-trigger"                   },
2355
2356   { -1,                         NULL                            }
2357 };
2358
2359 static struct ValueTextInfo options_action_arg_scan_mode[] =
2360 {
2361   { CA_ARG_SCAN_MODE_HEADLINE,  "[mode]"                        },
2362   { CA_ARG_SCAN_MODE_NORMAL,    "normal"                        },
2363   { CA_ARG_SCAN_MODE_REVERSE,   "reverse"                       },
2364
2365   { -1,                         NULL                            }
2366 };
2367
2368 static struct ValueTextInfo options_action_arg_inventory[] =
2369 {
2370   { CA_ARG_INVENTORY_HEADLINE,  "[add]"                         },
2371   { CA_ARG_ELEMENT_TARGET,      "+ target"                      },
2372   { CA_ARG_ELEMENT_TRIGGER,     "+ trigger"                     },
2373   { CA_ARG_ELEMENT_ACTION,      "+ action"                      },
2374   { CA_ARG_UNDEFINED,           " "                             },
2375   { CA_ARG_INVENTORY_RM_HEADLINE,"[remove]"                     },
2376   { CA_ARG_INVENTORY_RM_TARGET, "- target"                      },
2377   { CA_ARG_INVENTORY_RM_TRIGGER,"- trigger"                     },
2378   { CA_ARG_INVENTORY_RM_ACTION, "- action"                      },
2379   { CA_ARG_INVENTORY_RM_FIRST,  "- first"                       },
2380   { CA_ARG_INVENTORY_RM_LAST,   "- last"                        },
2381   { CA_ARG_INVENTORY_RM_ALL,    "- all"                         },
2382   { CA_ARG_UNDEFINED,           " "                             },
2383   { CA_ARG_INVENTORY_RESET,     "reset"                         },
2384
2385   { -1,                         NULL                            }
2386 };
2387
2388 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
2389 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
2390 {
2391   { -1,                         NULL                            }
2392 };
2393
2394 static struct ValueTextInfo options_group_choice_mode[] =
2395 {
2396   { ANIM_RANDOM,                "random"                        },
2397   { ANIM_LOOP,                  "loop"                          },
2398   { ANIM_LINEAR,                "linear"                        },
2399   { ANIM_PINGPONG,              "pingpong"                      },
2400   { ANIM_PINGPONG2,             "pingpong 2"                    },
2401
2402   { -1,                         NULL                            }
2403 };
2404
2405 static struct ValueTextInfo *action_arg_modes[] =
2406 {
2407   options_action_mode_none,
2408   options_action_mode_assign,
2409   options_action_mode_add_remove,
2410   options_action_mode_calculate,
2411 };
2412
2413 static struct
2414 {
2415   int value;
2416   int mode;
2417   struct ValueTextInfo *options;
2418 }
2419 action_arg_options[] =
2420 {
2421   { CA_NO_ACTION,               0,      options_action_arg_none,        },
2422   { CA_EXIT_PLAYER,             0,      options_action_arg_player,      },
2423   { CA_KILL_PLAYER,             0,      options_action_arg_player,      },
2424   { CA_MOVE_PLAYER,             0,      options_action_arg_direction,   },
2425   { CA_MOVE_PLAYER_NEW,         0,      options_action_arg_direction,   },
2426   { CA_RESTART_LEVEL,           0,      options_action_arg_none,        },
2427   { CA_SHOW_ENVELOPE,           0,      options_action_arg_envelope,    },
2428   { CA_SET_LEVEL_TIME,          3,      options_action_arg_number,      },
2429   { CA_SET_LEVEL_GEMS,          3,      options_action_arg_number,      },
2430   { CA_SET_LEVEL_SCORE,         3,      options_action_arg_number,      },
2431   { CA_SET_LEVEL_WIND,          1,      options_action_arg_direction,   },
2432   { CA_SET_LEVEL_RANDOM_SEED,   1,      options_action_arg_number,      },
2433   { CA_SET_PLAYER_KEYS,         2,      options_action_arg_key,         },
2434   { CA_SET_PLAYER_SPEED,        1,      options_action_arg_speed,       },
2435   { CA_SET_PLAYER_SHIELD,       1,      options_action_arg_shield,      },
2436   { CA_SET_PLAYER_GRAVITY,      1,      options_action_arg_gravity,     },
2437   { CA_SET_PLAYER_ARTWORK,      1,      options_action_arg_artwork,     },
2438   { CA_SET_PLAYER_INVENTORY,    0,      options_action_arg_inventory,   },
2439   { CA_SET_CE_VALUE,            3,      options_action_arg_value,       },
2440   { CA_SET_CE_SCORE,            3,      options_action_arg_value,       },
2441   { CA_SET_CE_ARTWORK,          1,      options_action_arg_artwork,     },
2442   { CA_SET_ENGINE_SCAN_MODE,    1,      options_action_arg_scan_mode,   },
2443
2444   { -1,                         FALSE,  NULL                            }
2445 };
2446
2447 static struct
2448 {
2449   int x, y;
2450   int gadget_id;
2451   int gadget_id_align;
2452   int size;     // char size of selectbox or '-1' (dynamically determined)
2453   struct ValueTextInfo *options;
2454   int *value;
2455   char *text_above, *text_left, *text_right, *infotext;
2456 } selectbox_info[ED_NUM_SELECTBOX] =
2457 {
2458   // ---------- level and editor settings -------------------------------------
2459
2460   {
2461     -1,                                 ED_LEVEL_SETTINGS_YPOS(8),
2462     GADGET_ID_TIME_OR_STEPS,            GADGET_ID_LEVEL_TIMELIMIT_UP,
2463     -1,
2464     options_time_or_steps,
2465     &level.use_step_counter,
2466     NULL, NULL, "(0 => no limit)",      "time or step limit"
2467   },
2468   {
2469     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(11),
2470     GADGET_ID_GAME_ENGINE_TYPE,         GADGET_ID_NONE,
2471     -1,
2472     options_game_engine_type,
2473     &level.game_engine_type,
2474     NULL, "game engine:", NULL,         "game engine"
2475   },
2476   {
2477     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
2478     GADGET_ID_LEVELSET_SAVE_MODE,       GADGET_ID_NONE,
2479     -1,
2480     options_levelset_save_mode,
2481     &levelset_save_mode,
2482     "Action:", NULL, NULL,              "action when saving level set"
2483   },
2484
2485   // ---------- element settings: configure (several elements) ----------------
2486
2487   {
2488     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2489     GADGET_ID_WIND_DIRECTION,           GADGET_ID_NONE,
2490     -1,
2491     options_wind_direction,
2492     &level.wind_direction_initial,
2493     NULL, "initial wind direction:", NULL,      "initial wind direction"
2494   },
2495   {
2496     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2497     GADGET_ID_PLAYER_SPEED,             GADGET_ID_NONE,
2498     -1,
2499     options_player_speed,
2500     &level.initial_player_stepsize[0],
2501     NULL, "initial player speed:", NULL,        "initial player speed"
2502   },
2503
2504   // ---------- element settings: configure 1 (custom elements) ---------------
2505
2506   {
2507     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2508     GADGET_ID_CUSTOM_ACCESS_TYPE,       GADGET_ID_NONE,
2509     -1,
2510     options_access_type,
2511     &custom_element.access_type,
2512     NULL, NULL, NULL,                   "type of access to this field"
2513   },
2514   {
2515     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2516     GADGET_ID_CUSTOM_ACCESS_LAYER,      GADGET_ID_CUSTOM_ACCESS_TYPE,
2517     -1,
2518     options_access_layer,
2519     &custom_element.access_layer,
2520     NULL, NULL, NULL,                   "layer of access for this field"
2521   },
2522   {
2523     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2524     GADGET_ID_CUSTOM_ACCESS_PROTECTED,  GADGET_ID_CUSTOM_ACCESS_LAYER,
2525     -1,
2526     options_access_protected,
2527     &custom_element.access_protected,
2528     NULL, NULL, NULL,                   "protected access for this field"
2529   },
2530   {
2531     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2532     GADGET_ID_CUSTOM_ACCESS_DIRECTION,  GADGET_ID_NONE,
2533     -1,
2534     options_access_direction,
2535     &custom_element.access_direction,
2536     NULL, "from", NULL,                 "access direction for this field"
2537   },
2538   {
2539     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2540     GADGET_ID_CUSTOM_WALK_TO_ACTION,    GADGET_ID_NONE,
2541     -1,
2542     options_walk_to_action,
2543     &custom_element.walk_to_action,
2544     NULL, NULL, NULL,                   "diggable/collectible/pushable"
2545   },
2546
2547   // ---------- element settings: configure 2 (custom elements) ---------------
2548
2549   {
2550     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(1),
2551     GADGET_ID_CUSTOM_MOVE_PATTERN,      GADGET_ID_NONE,
2552     -1,
2553     options_move_pattern,
2554     &custom_element.move_pattern,
2555     NULL, "can move", NULL,             "element move pattern"
2556   },
2557   {
2558     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2559     GADGET_ID_CUSTOM_MOVE_DIRECTION,    GADGET_ID_NONE,
2560     -1,
2561     options_move_direction,
2562     &custom_element.move_direction_initial,
2563     NULL, "starts moving", NULL,        "initial element move direction"
2564   },
2565   {
2566     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2567     GADGET_ID_CUSTOM_MOVE_STEPSIZE,     GADGET_ID_NONE,
2568     -1,
2569     options_move_stepsize,
2570     &custom_element.move_stepsize,
2571     NULL, "move/fall speed", NULL,      "speed of element movement"
2572   },
2573   {
2574     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2575     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,   GADGET_ID_NONE,
2576     -1,
2577     options_move_leave_type,
2578     &custom_element.move_leave_type,
2579     // left text with leading spaces to place gadget next to "can dig" gadget
2580     // (needed because drawing area gadgets created after selectbox gadgets)
2581     // NULL, "can dig:    can", ":",    "leave behind or change element"
2582     NULL, "            can", ":",       "leave behind or change element"
2583   },
2584   {
2585     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
2586     GADGET_ID_CUSTOM_SMASH_TARGETS,     GADGET_ID_CUSTOM_CAN_SMASH,
2587     -1,
2588     options_smash_targets,
2589     &custom_element.smash_targets,
2590     NULL, "can smash", NULL,            "elements that can be smashed"
2591   },
2592   {
2593     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
2594     GADGET_ID_CUSTOM_SLIPPERY_TYPE,     GADGET_ID_NONE,
2595     -1,
2596     options_slippery_type,
2597     &custom_element.slippery_type,
2598     NULL, "slippery", NULL,             "where other elements fall down"
2599   },
2600   {
2601     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
2602     GADGET_ID_CUSTOM_DEADLINESS,        GADGET_ID_NONE,
2603     -1,
2604     options_deadliness,
2605     &custom_element.deadliness,
2606     NULL, "deadly when", NULL,          "deadliness of element"
2607   },
2608   {
2609     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(10),
2610     GADGET_ID_CUSTOM_EXPLOSION_TYPE,    GADGET_ID_NONE,
2611     -1,
2612     options_explosion_type,
2613     &custom_element.explosion_type,
2614     NULL, "can explode", NULL,          "explosion type"
2615   },
2616
2617   // ---------- element settings: advanced (custom elements) ------------------
2618
2619   {
2620     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(3),
2621     GADGET_ID_CHANGE_TIME_UNITS,        GADGET_ID_NONE,
2622     -1,
2623     options_time_units,
2624     &custom_element_change.delay_frames,
2625     NULL, "delay time given in", NULL,  "delay time units for change"
2626   },
2627   {
2628     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(4),
2629     GADGET_ID_CHANGE_DIRECT_ACTION,     GADGET_ID_NONE,
2630     -1,
2631     options_change_direct_action,
2632     &custom_element_change.direct_action,
2633     NULL, NULL, NULL,                   "type of direct action"
2634   },
2635   {
2636     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(5),
2637     GADGET_ID_CHANGE_OTHER_ACTION,      GADGET_ID_NONE,
2638     -1,
2639     options_change_other_action,
2640     &custom_element_change.other_action,
2641     NULL, NULL, "element:",             "type of other element action"
2642   },
2643   {
2644     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(6),
2645     GADGET_ID_CHANGE_SIDE,              GADGET_ID_NONE,
2646     -1,
2647     options_change_trigger_side,
2648     &custom_element_change.trigger_side,
2649     NULL, "at", "side",                 "element side triggering change"
2650   },
2651   {
2652     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2653     GADGET_ID_CHANGE_PLAYER,            GADGET_ID_NONE,
2654     -1,
2655     options_change_trigger_player,
2656     &custom_element_change.trigger_player,
2657     NULL, "player:", " ",               "player that causes change"
2658   },
2659   {
2660     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2661     GADGET_ID_CHANGE_PAGE,              GADGET_ID_CHANGE_PLAYER,
2662     -1,
2663     options_change_trigger_page,
2664     &custom_element_change.trigger_page,
2665     NULL, "page:", NULL,                "change page that causes change"
2666   },
2667   {
2668     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(10),
2669     GADGET_ID_CHANGE_REPLACE_WHEN,      GADGET_ID_NONE,
2670     -1,
2671     options_change_replace_when,
2672     &custom_element_change.replace_when,
2673     NULL, "replace when", NULL,         "which elements can be replaced"
2674   },
2675   {
2676     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
2677     GADGET_ID_ACTION_TYPE,              GADGET_ID_NONE,
2678     15,
2679     options_action_type,
2680     &custom_element_change.action_type,
2681     NULL, NULL, NULL,                   "action on specified condition"
2682   },
2683   {
2684     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2685     GADGET_ID_ACTION_MODE,              GADGET_ID_ACTION_TYPE,
2686     -1,
2687     options_action_mode_none,
2688     &custom_element_change.action_mode,
2689     NULL, NULL, NULL,                   "action operator"
2690   },
2691   {
2692     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2693     GADGET_ID_ACTION_ARG,               GADGET_ID_ACTION_MODE,
2694     -1,
2695     options_action_arg_none,
2696     &custom_element_change.action_arg,
2697     NULL, NULL, NULL,                   "action parameter"
2698   },
2699   {
2700     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
2701     GADGET_ID_SELECT_CHANGE_PAGE,       GADGET_ID_NONE,
2702     3,
2703     options_change_page,
2704     &custom_element.current_change_page,
2705     NULL, NULL, NULL,                   "element change page"
2706   },
2707
2708   // ---------- element settings: configure (group elements) ------------------
2709
2710   {
2711     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2712     GADGET_ID_GROUP_CHOICE_MODE,        GADGET_ID_NONE,
2713     -1,
2714     options_group_choice_mode,
2715     &group_element_info.choice_mode,
2716     NULL, "choice type:", NULL,         "type of group element choice"
2717   },
2718 };
2719
2720 static struct
2721 {
2722   int x, y;
2723   int gadget_id;
2724   int gadget_id_align;
2725   int size;
2726   char *text;
2727   char *text_above, *text_left, *text_right, *infotext;
2728 } textbutton_info[ED_NUM_TEXTBUTTONS] =
2729 {
2730   // ---------- level and editor settings (tabs) ------------------------------
2731
2732   {
2733     ED_LEVEL_TABS_XPOS(0),              ED_LEVEL_TABS_YPOS(0),
2734     GADGET_ID_LEVELINFO_LEVEL,          GADGET_ID_NONE,
2735     8,                                  "Level",
2736     NULL, NULL, NULL,                   "Configure level properties"
2737   },
2738   {
2739     -1,                                 -1,
2740     GADGET_ID_LEVELINFO_LEVELSET,       GADGET_ID_LEVELINFO_LEVEL,
2741     8,                                  "Levelset",
2742     NULL, NULL, NULL,                   "Update this or create new level set"
2743   },
2744   {
2745     -1,                                 -1,
2746     GADGET_ID_LEVELINFO_EDITOR,         GADGET_ID_LEVELINFO_LEVELSET,
2747     8,                                  "Editor",
2748     NULL, NULL, NULL,                   "Configure editor properties"
2749   },
2750
2751   // ---------- element settings (tabs) ---------------------------------------
2752
2753   {
2754     ED_ELEMENT_TABS_XPOS(0),            ED_ELEMENT_TABS_YPOS(0),
2755     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
2756     8,                                  "Info",
2757     NULL, NULL, NULL,                   "Show information about element"
2758   },
2759   {
2760     -1,                                 -1,
2761     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_PROPERTIES_INFO,
2762     8,                                  "Config",
2763     NULL, NULL, NULL,                   "Configure element properties"
2764   },
2765   {
2766     -1,                                 -1,
2767     GADGET_ID_PROPERTIES_CONFIG_1,      GADGET_ID_PROPERTIES_INFO,
2768     8,                                  "Config 1",
2769     NULL, NULL, NULL,                   "Configure element properties, part 1"
2770   },
2771   {
2772     -1,                                 -1,
2773     GADGET_ID_PROPERTIES_CONFIG_2,      GADGET_ID_PROPERTIES_CONFIG_1,
2774     8,                                  "Config 2",
2775     NULL, NULL, NULL,                   "Configure element properties, part 2"
2776   },
2777   {
2778     -1,                                 -1,
2779     GADGET_ID_PROPERTIES_CHANGE,        GADGET_ID_PROPERTIES_CONFIG_2,
2780     8,                                  "Change",
2781     NULL, NULL, NULL,                   "Configure custom element change pages"
2782   },
2783
2784   // ---------- level and editor settings (buttons) ---------------------------
2785
2786   {
2787     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
2788     GADGET_ID_SAVE_LEVELSET,            GADGET_ID_LEVELSET_SAVE_MODE,
2789     -1,                                 "Save",
2790     NULL, NULL, NULL,                   "Update or create level set"
2791   },
2792   {
2793     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
2794     GADGET_ID_SAVE_AS_TEMPLATE_2,       GADGET_ID_NONE,
2795     -1,                                 "Save",
2796     NULL, NULL,                         "this level as level template",
2797     "Save current settings as new template"
2798   },
2799
2800   // ---------- element settings (buttons) ------------------------------------
2801
2802   {
2803     -1,                                 -1,
2804     GADGET_ID_SAVE_AS_TEMPLATE_1,       GADGET_ID_CUSTOM_USE_TEMPLATE_1,
2805     -1,                                 "Save",
2806     NULL, " ",                          "As Template",
2807     "Save current settings as new template"
2808   },
2809   {
2810     -1,                                 -1,
2811     GADGET_ID_ADD_CHANGE_PAGE,          GADGET_ID_PASTE_CHANGE_PAGE,
2812     -1,                                 "New",
2813     NULL, NULL, NULL,                   "Add new change page"
2814   },
2815   {
2816     -1,                                 -1,
2817     GADGET_ID_DEL_CHANGE_PAGE,          GADGET_ID_ADD_CHANGE_PAGE,
2818     -1,                                 "Delete",
2819     NULL, NULL, NULL,                   "Delete current change page"
2820   },
2821 };
2822
2823 static struct
2824 {
2825   int graphic;
2826   int x, y;
2827   int gadget_id;
2828   int gadget_id_align;
2829   char *text_left, *text_right, *infotext;
2830 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
2831 {
2832   {
2833     IMG_EDITOR_COUNTER_DOWN,
2834     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
2835     GADGET_ID_PREV_CHANGE_PAGE,         GADGET_ID_NONE,
2836     NULL, NULL,                         "select previous change page"
2837   },
2838   {
2839     IMG_EDITOR_COUNTER_UP,
2840     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2841     GADGET_ID_NEXT_CHANGE_PAGE,         GADGET_ID_SELECT_CHANGE_PAGE,
2842     NULL, "change page",                "select next change page"
2843   },
2844   {
2845     IMG_GFX_EDITOR_BUTTON_CP_COPY,
2846     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2847     GADGET_ID_COPY_CHANGE_PAGE,         GADGET_ID_NEXT_CHANGE_PAGE,
2848     " ", NULL,                          "copy settings from this change page"
2849   },
2850   {
2851     IMG_GFX_EDITOR_BUTTON_CP_PASTE,
2852     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2853     GADGET_ID_PASTE_CHANGE_PAGE,        GADGET_ID_COPY_CHANGE_PAGE,
2854     NULL, NULL,                         "paste settings to this change page"
2855   },
2856 };
2857
2858 static struct
2859 {
2860   int x, y;
2861 } scrollbutton_pos[ED_NUM_SCROLLBUTTONS];
2862
2863 static struct
2864 {
2865   int graphic;
2866   int gadget_id;
2867   char *infotext;
2868 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
2869 {
2870   {
2871     IMG_EDITOR_PLAYFIELD_SCROLL_UP,
2872     GADGET_ID_SCROLL_UP,
2873     "scroll level editing area up"
2874   },
2875   {
2876     IMG_EDITOR_PLAYFIELD_SCROLL_DOWN,
2877     GADGET_ID_SCROLL_DOWN,
2878     "scroll level editing area down"
2879   },
2880   {
2881     IMG_EDITOR_PLAYFIELD_SCROLL_LEFT,
2882     GADGET_ID_SCROLL_LEFT,
2883     "scroll level editing area left"
2884   },
2885   {
2886     IMG_EDITOR_PLAYFIELD_SCROLL_RIGHT,
2887     GADGET_ID_SCROLL_RIGHT,
2888     "scroll level editing area right"
2889   },
2890   {
2891     IMG_EDITOR_PALETTE_SCROLL_UP,
2892     GADGET_ID_SCROLL_LIST_UP,
2893     "scroll element list up ('Page Up')"
2894   },
2895   {
2896     IMG_EDITOR_PALETTE_SCROLL_DOWN,
2897     GADGET_ID_SCROLL_LIST_DOWN,
2898     "scroll element list down ('Page Down')"
2899   },
2900 };
2901
2902 static struct
2903 {
2904   int x, y;
2905   int width, height;
2906   int wheel_x, wheel_y;
2907   int wheel_width, wheel_height;
2908 } scrollbar_pos[ED_NUM_SCROLLBARS];
2909
2910 static struct
2911 {
2912   int graphic;
2913   int type;
2914   int gadget_id;
2915   char *infotext;
2916 } scrollbar_info[ED_NUM_SCROLLBARS] =
2917 {
2918   {
2919     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
2920     GD_TYPE_SCROLLBAR_HORIZONTAL,
2921     GADGET_ID_SCROLL_HORIZONTAL,
2922     "scroll level editing area horizontally"
2923   },
2924   {
2925     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
2926     GD_TYPE_SCROLLBAR_VERTICAL,
2927     GADGET_ID_SCROLL_VERTICAL,
2928     "scroll level editing area vertically"
2929   },
2930   {
2931     IMG_EDITOR_PALETTE_SCROLLBAR,
2932     GD_TYPE_SCROLLBAR_VERTICAL,
2933     GADGET_ID_SCROLL_LIST_VERTICAL,
2934     "scroll element list vertically"
2935   }
2936 };
2937
2938
2939 static struct
2940 {
2941   int x, y;
2942   int gadget_id;
2943   int gadget_id_align;
2944   int radio_button_nr;
2945   int *value;
2946   int checked_value;
2947   char *text_left, *text_right, *infotext;
2948 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
2949 {
2950   {
2951     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
2952     GADGET_ID_RANDOM_PERCENTAGE,        GADGET_ID_LEVEL_RANDOM_UP,
2953     RADIO_NR_RANDOM_ELEMENTS,
2954     &random_placement_method,           RANDOM_USE_PERCENTAGE,
2955     " ", "percentage",                  "use percentage for random elements"
2956   },
2957   {
2958     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
2959     GADGET_ID_RANDOM_QUANTITY,          GADGET_ID_RANDOM_PERCENTAGE,
2960     RADIO_NR_RANDOM_ELEMENTS,
2961     &random_placement_method,           RANDOM_USE_QUANTITY,
2962     " ", "quantity",                    "use quantity for random elements"
2963   }
2964 };
2965
2966 static struct
2967 {
2968   int x, y;
2969   int gadget_id;
2970   int gadget_id_align;
2971   boolean *value;
2972   char *text_above, *text_left, *text_right, *infotext;
2973 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
2974 {
2975   // ---------- level and editor settings -------------------------------------
2976
2977   {
2978     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
2979     GADGET_ID_AUTO_COUNT_GEMS,          GADGET_ID_NONE,
2980     &level.auto_count_gems,
2981     NULL, NULL,
2982     "automatically count gems needed",  "set counter to number of gems"
2983   },
2984   {
2985     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(7),
2986     GADGET_ID_USE_LEVELSET_ARTWORK,     GADGET_ID_NONE,
2987     &levelset_use_levelset_artwork,
2988     NULL, NULL,
2989     "use current custom artwork",       "use custom artwork of this level set"
2990   },
2991   {
2992     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
2993     GADGET_ID_COPY_LEVEL_TEMPLATE,      GADGET_ID_NONE,
2994     &levelset_copy_level_template,
2995     NULL, NULL,
2996     "copy current level template",      "copy level template of this level set"
2997   },
2998   {
2999     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
3000     GADGET_ID_RANDOM_RESTRICTED,        GADGET_ID_NONE,
3001     &random_placement_background_restricted,
3002     NULL, NULL,
3003     "restrict random placement to:",    "set random placement restriction"
3004   },
3005   {
3006     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
3007     GADGET_ID_CUSTOM_USE_TEMPLATE_3,    GADGET_ID_NONE,
3008     &setup.editor.use_template_for_new_levels,
3009     "Template for new levels and CE/GE:", NULL,
3010     "use template for new levels",      "use template for level properties"
3011   },
3012   {
3013     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
3014     GADGET_ID_CUSTOM_USE_TEMPLATE_2,    GADGET_ID_NONE,
3015     &level.use_custom_template,
3016     NULL, NULL,
3017     "use template for custom elements", "use template for custom properties"
3018   },
3019
3020   // ---------- element settings: configure (various elements) ----------------
3021
3022   {
3023     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3024     GADGET_ID_STICK_ELEMENT,            GADGET_ID_NONE,
3025     &stick_element_properties_window,
3026     NULL, NULL,
3027     "stick this screen to edit content","stick this screen to edit content"
3028   },
3029   {
3030     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3031     GADGET_ID_EM_SLIPPERY_GEMS,         GADGET_ID_NONE,
3032     &level.em_slippery_gems,
3033     NULL, NULL,
3034     "slip down from certain flat walls","use EM/DC style slipping behaviour"
3035   },
3036   {
3037     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3038     GADGET_ID_EM_EXPLODES_BY_FIRE,      GADGET_ID_NONE,
3039     &level.em_explodes_by_fire,
3040     NULL, NULL,
3041     "explodes with chain reaction",     "use R'n'D style explosion behaviour"
3042   },
3043   {
3044     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3045     GADGET_ID_USE_SPRING_BUG,           GADGET_ID_NONE,
3046     &level.use_spring_bug,
3047     NULL, NULL,
3048     "use spring pushing bug",           "use odd spring pushing behaviour"
3049   },
3050   {
3051     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3052     GADGET_ID_USE_TIME_ORB_BUG,         GADGET_ID_NONE,
3053     &level.use_time_orb_bug,
3054     NULL, NULL,
3055     "use time orb bug",                 "use odd time orb behaviour"
3056   },
3057   {
3058     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3059     GADGET_ID_USE_LIFE_BUGS,            GADGET_ID_NONE,
3060     &level.use_life_bugs,
3061     NULL, NULL,
3062     "use buggy element behaviour",      "use odd (historic) element behaviour"
3063   },
3064   {
3065     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3066     GADGET_ID_RANDOM_BALL_CONTENT,      GADGET_ID_NONE,
3067     &level.ball_random,
3068     NULL, NULL,
3069     "create single random element",     "only create one element from content"
3070   },
3071   {
3072     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3073     GADGET_ID_INITIAL_BALL_ACTIVE,      GADGET_ID_NONE,
3074     &level.ball_active_initial,
3075     NULL, NULL,
3076     "magic ball initially activated",   "activate magic ball after level start"
3077   },
3078   {
3079     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3080     GADGET_ID_GROW_INTO_DIGGABLE,       GADGET_ID_NONE,
3081     &level.grow_into_diggable,
3082     NULL, NULL,
3083     "can grow into anything diggable",  "grow into more than just sand"
3084   },
3085   {
3086     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3087     GADGET_ID_SB_FIELDS_NEEDED,         GADGET_ID_NONE,
3088     &level.sb_fields_needed,
3089     NULL, NULL,
3090     "all fields need to be filled",     "require all SB fields to be solved"
3091   },
3092   {
3093     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3094     GADGET_ID_SB_OBJECTS_NEEDED,        GADGET_ID_NONE,
3095     &level.sb_objects_needed,
3096     NULL, NULL,
3097     "all objects need to be placed",    "require all SB objects to be solved"
3098   },
3099   {
3100     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3101     GADGET_ID_AUTO_EXIT_SOKOBAN,        GADGET_ID_NONE,
3102     &level.auto_exit_sokoban,
3103     NULL, NULL,
3104     "exit level if all tasks solved",   "automatically finish Sokoban levels"
3105   },
3106   {
3107     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3108     GADGET_ID_SOLVED_BY_ONE_PLAYER,     GADGET_ID_NONE,
3109     &level.solved_by_one_player,
3110     NULL, NULL,
3111     "only one player must enter exit",  "level solved by first player in exit"
3112   },
3113   {
3114     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3115     GADGET_ID_CONTINUOUS_SNAPPING,      GADGET_ID_NONE,
3116     &level.continuous_snapping,
3117     NULL, NULL,
3118     "continuous snapping",              "use snapping without releasing key"
3119   },
3120   {
3121     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3122     GADGET_ID_BLOCK_SNAP_FIELD,         GADGET_ID_NONE,
3123     &level.block_snap_field,
3124     NULL, NULL,
3125     "block snapped field when snapping", "use snapping delay to show animation"
3126   },
3127   {
3128     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3129     GADGET_ID_BLOCK_LAST_FIELD,         GADGET_ID_NONE,
3130     &level.block_last_field,
3131     NULL, NULL,
3132     "block last field when moving",     "player blocks last field when moving"
3133   },
3134   {
3135     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3136     GADGET_ID_SP_BLOCK_LAST_FIELD,      GADGET_ID_NONE,
3137     &level.sp_block_last_field,
3138     NULL, NULL,
3139     "block last field when moving",     "player blocks last field when moving"
3140   },
3141   {
3142     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3143     GADGET_ID_INSTANT_RELOCATION,       GADGET_ID_NONE,
3144     &level.instant_relocation,
3145     NULL, NULL,
3146     "no scrolling when relocating",     "player gets relocated without delay"
3147   },
3148   {
3149     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3150     GADGET_ID_SHIFTED_RELOCATION,       GADGET_ID_NONE,
3151     &level.shifted_relocation,
3152     NULL, NULL,
3153     "no centering when relocating",     "level not centered after relocation"
3154   },
3155   {
3156     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3157     GADGET_ID_LAZY_RELOCATION,          GADGET_ID_NONE,
3158     &level.lazy_relocation,
3159     NULL, NULL,
3160     "only redraw off-screen relocation","no redraw if relocation target visible"
3161   },
3162   {
3163     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3164     GADGET_ID_USE_START_ELEMENT,        GADGET_ID_NONE,
3165     &level.use_start_element[0],
3166     NULL, NULL,
3167     "use level start element:",        "start level at this element's position"
3168   },
3169   {
3170     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3171     GADGET_ID_USE_ARTWORK_ELEMENT,      GADGET_ID_NONE,
3172     &level.use_artwork_element[0],
3173     NULL, NULL,
3174     "use artwork from element:",        "use player artwork from other element"
3175   },
3176   {
3177     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
3178     GADGET_ID_USE_EXPLOSION_ELEMENT,    GADGET_ID_NONE,
3179     &level.use_explosion_element[0],
3180     NULL, NULL,
3181     "use explosion from element:",      "use explosion properties from element"
3182   },
3183   {
3184     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3185     GADGET_ID_INITIAL_GRAVITY,          GADGET_ID_NONE,
3186     &level.initial_player_gravity[0],
3187     NULL, NULL,
3188     "use initial gravity",              "set initial player gravity"
3189   },
3190   {
3191     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3192     GADGET_ID_USE_INITIAL_INVENTORY,    GADGET_ID_NONE,
3193     &level.use_initial_inventory[0],
3194     NULL, NULL,
3195     "use initial inventory:",           "use collected elements on level start"
3196   },
3197   {
3198     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
3199     GADGET_ID_CAN_PASS_TO_WALKABLE,     GADGET_ID_NONE,
3200     &level.can_pass_to_walkable,
3201     NULL, NULL,
3202     "can pass to walkable element",     "player can pass to empty or walkable"
3203   },
3204   {
3205     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3206     GADGET_ID_CAN_FALL_INTO_ACID,       GADGET_ID_NONE,
3207     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3208     NULL, NULL,
3209     "can fall into acid (with gravity)","player can fall into acid pool"
3210   },
3211   {
3212     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3213     GADGET_ID_CAN_MOVE_INTO_ACID,       GADGET_ID_NONE,
3214     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3215     NULL, NULL,
3216     "can move into acid",               "element can move into acid pool"
3217   },
3218   {
3219     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3220     GADGET_ID_DONT_COLLIDE_WITH,        GADGET_ID_NONE,
3221     &custom_element_properties[EP_DONT_COLLIDE_WITH],
3222     NULL, NULL,
3223     "deadly when colliding with",       "element is deadly when hitting player"
3224   },
3225   {
3226     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3227     GADGET_ID_ENVELOPE_AUTOWRAP,        GADGET_ID_NONE,
3228     &level.envelope[0].autowrap,
3229     NULL, NULL,
3230     "auto-wrap",                        "automatically wrap envelope text"
3231   },
3232   {
3233     -1,                                 ED_ELEMENT_SETTINGS_YPOS(1),
3234     GADGET_ID_ENVELOPE_CENTERED,        GADGET_ID_ENVELOPE_AUTOWRAP,
3235     &level.envelope[0].centered,
3236     NULL, " ",
3237     "centered",                         "automatically center envelope text"
3238   },
3239   {
3240     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3241     GADGET_ID_MM_LASER_RED,             GADGET_ID_NONE,
3242     &level.mm_laser_red,
3243     "choose color components for laser:", NULL,
3244     "red",                              "use red color components in laser"
3245   },
3246   {
3247     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3248     GADGET_ID_MM_LASER_GREEN,           GADGET_ID_NONE,
3249     &level.mm_laser_green,
3250     NULL, NULL,
3251     "green",                            "use green color components in laser"
3252   },
3253   {
3254     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3255     GADGET_ID_MM_LASER_BLUE,            GADGET_ID_NONE,
3256     &level.mm_laser_blue,
3257     NULL, NULL,
3258     "blue",                             "use blue color components in laser"
3259   },
3260   {
3261     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3262     GADGET_ID_DF_LASER_RED,             GADGET_ID_NONE,
3263     &level.df_laser_red,
3264     "choose color components for laser:", NULL,
3265     "red",                              "use red color components in laser"
3266   },
3267   {
3268     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3269     GADGET_ID_DF_LASER_GREEN,           GADGET_ID_NONE,
3270     &level.df_laser_green,
3271     NULL, NULL,
3272     "green",                            "use green color components in laser"
3273   },
3274   {
3275     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3276     GADGET_ID_DF_LASER_BLUE,            GADGET_ID_NONE,
3277     &level.df_laser_blue,
3278     NULL, NULL,
3279     "blue",                             "use blue color components in laser"
3280   },
3281
3282   // ---------- element settings: configure 1 (custom elements) ---------------
3283
3284   {
3285     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3286     GADGET_ID_CUSTOM_USE_GRAPHIC,       GADGET_ID_NONE,
3287     &custom_element.use_gfx_element,
3288     NULL, NULL,
3289     "use graphic of element:",          "use existing element graphic"
3290   },
3291   {
3292     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3293     GADGET_ID_CUSTOM_USE_TEMPLATE_1,    GADGET_ID_NONE,
3294     &level.use_custom_template,
3295     NULL, NULL,
3296     "use template",                     "use template for custom properties"
3297   },
3298   {
3299     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3300     GADGET_ID_CUSTOM_ACCESSIBLE,        GADGET_ID_NONE,
3301     &custom_element_properties[EP_ACCESSIBLE],
3302     NULL, NULL,
3303     NULL,                               "player can walk to or pass this field"
3304   },
3305   {
3306     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3307     GADGET_ID_CUSTOM_GRAV_REACHABLE,    GADGET_ID_NONE,
3308     &custom_element_properties[EP_GRAVITY_REACHABLE],
3309     NULL, NULL,
3310     "reachable despite gravity",        "player can walk/dig despite gravity"
3311   },
3312   {
3313     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3314     GADGET_ID_CUSTOM_USE_LAST_VALUE,    GADGET_ID_NONE,
3315     &custom_element.use_last_ce_value,
3316     NULL, NULL,
3317     "use last CE value after change",   "use last CE value after change"
3318   },
3319   {
3320     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3321     GADGET_ID_CUSTOM_WALK_TO_OBJECT,    GADGET_ID_NONE,
3322     &custom_element_properties[EP_WALK_TO_OBJECT],
3323     NULL, NULL,
3324     NULL,                               "player can dig/collect/push element"
3325   },
3326   {
3327     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3328     GADGET_ID_CUSTOM_INDESTRUCTIBLE,    GADGET_ID_NONE,
3329     &custom_element_properties[EP_INDESTRUCTIBLE],
3330     NULL, NULL,
3331     "indestructible",                   "element is indestructible"
3332   },
3333
3334   // ---------- element settings: configure 2 (custom elements) ---------------
3335
3336   {
3337     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3338     GADGET_ID_CUSTOM_CAN_MOVE,          GADGET_ID_NONE,
3339     &custom_element_properties[EP_CAN_MOVE],
3340     NULL, NULL,
3341     NULL,                               "element can move with some pattern"
3342   },
3343   {
3344     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
3345     GADGET_ID_CUSTOM_CAN_FALL,          GADGET_ID_NONE,
3346     &custom_element_properties[EP_CAN_FALL],
3347     NULL, NULL,
3348     "can fall",                         "element can fall down"
3349   },
3350   {
3351     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
3352     GADGET_ID_CUSTOM_CAN_SMASH,         GADGET_ID_CUSTOM_CAN_FALL,
3353     &custom_element_properties[EP_CAN_SMASH],
3354     NULL, " ",
3355     NULL,                               "element can smash other elements"
3356   },
3357   {
3358     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3359     GADGET_ID_CUSTOM_SLIPPERY,          GADGET_ID_NONE,
3360     &custom_element_properties[EP_SLIPPERY],
3361     NULL, NULL,
3362     NULL,                               "other elements can fall down from it"
3363   },
3364   {
3365     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3366     GADGET_ID_CUSTOM_DEADLY,            GADGET_ID_NONE,
3367     &custom_element_properties[EP_DEADLY],
3368     NULL, NULL,
3369     NULL,                               "element can kill the player"
3370   },
3371   {
3372     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3373     GADGET_ID_CUSTOM_CAN_EXPLODE,       GADGET_ID_NONE,
3374     &custom_element_properties[EP_CAN_EXPLODE],
3375     NULL, NULL,
3376     NULL,                               "element can explode"
3377   },
3378   {
3379     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(11),
3380     GADGET_ID_CUSTOM_EXPLODE_FIRE,      GADGET_ID_NONE,
3381     &custom_element_properties[EP_EXPLODES_BY_FIRE],
3382     NULL, NULL,
3383     "by fire",                          "element can explode by fire/explosion"
3384   },
3385   {
3386     -1,                                 ED_ELEMENT_SETTINGS_YPOS(11),
3387     GADGET_ID_CUSTOM_EXPLODE_SMASH,     GADGET_ID_CUSTOM_EXPLODE_FIRE,
3388     &custom_element_properties[EP_EXPLODES_SMASHED],
3389     NULL, " ",
3390     "smashed",                          "element can explode when smashed"
3391   },
3392   {
3393     -1,                                 ED_ELEMENT_SETTINGS_YPOS(11),
3394     GADGET_ID_CUSTOM_EXPLODE_IMPACT,    GADGET_ID_CUSTOM_EXPLODE_SMASH,
3395     &custom_element_properties[EP_EXPLODES_IMPACT],
3396     NULL, " ",
3397     "impact",                           "element can explode on impact"
3398   },
3399
3400   // ---------- element settings: advanced (custom elements) ------------------
3401
3402   {
3403     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3404     GADGET_ID_CUSTOM_CAN_CHANGE,        GADGET_ID_NONE,
3405     &custom_element_change.can_change,
3406     NULL, NULL,
3407     "element changes to:",              "change element on specified condition"
3408   },
3409   {
3410     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
3411     GADGET_ID_CHANGE_DELAY,             GADGET_ID_NONE,
3412     &custom_element_change_events[CE_DELAY],
3413     NULL, NULL,
3414     NULL,                               "element changes after delay"
3415   },
3416   {
3417     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
3418     GADGET_ID_CHANGE_BY_DIRECT_ACT,     GADGET_ID_NONE,
3419     &custom_element_change_events[CE_BY_DIRECT_ACTION],
3420     NULL, NULL,
3421     NULL,                               "element changes by direct action"
3422   },
3423   {
3424     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
3425     GADGET_ID_CHANGE_BY_OTHER_ACT,      GADGET_ID_NONE,
3426     &custom_element_change_events[CE_BY_OTHER_ACTION],
3427     NULL, NULL,
3428     NULL,                               "element changes by other element"
3429   },
3430   {
3431     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
3432     GADGET_ID_CHANGE_USE_EXPLOSION,     GADGET_ID_NONE,
3433     &custom_element_change.explode,
3434     NULL, NULL,
3435     "explode instead of change",        "element explodes instead of change"
3436   },
3437   {
3438     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
3439     GADGET_ID_CHANGE_USE_CONTENT,       GADGET_ID_NONE,
3440     &custom_element_change.use_target_content,
3441     NULL, NULL,
3442     "use extended change target:",      "element changes to more elements"
3443   },
3444   {
3445     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(11),
3446     GADGET_ID_CHANGE_ONLY_COMPLETE,     GADGET_ID_NONE,
3447     &custom_element_change.only_if_complete,
3448     NULL, NULL,
3449     "replace all or nothing",           "only replace when all can be changed"
3450   },
3451   {
3452     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(12),
3453     GADGET_ID_CHANGE_USE_RANDOM,        GADGET_ID_NONE,
3454     &custom_element_change.use_random_replace,
3455     NULL, NULL,
3456     NULL,                               "use percentage for random replace"
3457   },
3458   {
3459     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3460     GADGET_ID_CHANGE_HAS_ACTION,        GADGET_ID_NONE,
3461     &custom_element_change.has_action,
3462     NULL, NULL,
3463     NULL,                               "execute action on specified condition"
3464   },
3465 };
3466
3467 static struct
3468 {
3469   int x, y;
3470   int xoffset, yoffset;
3471   int gadget_id;
3472   int gadget_id_align;
3473   int *value;
3474   int area_xsize, area_ysize;
3475   char *text_left, *text_right, *text_above, *text_below, *infotext;
3476 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
3477 {
3478   // ---------- level playfield content ---------------------------------------
3479
3480   {
3481     0,                                  0,
3482     0,                                  0,
3483     GADGET_ID_DRAWING_LEVEL,            GADGET_ID_NONE,
3484     NULL,
3485     -1, -1,     // these values are not constant, but can change at runtime
3486     NULL, NULL, NULL, NULL,             NULL
3487   },
3488
3489   // ---------- yam yam content -----------------------------------------------
3490
3491   {
3492     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3493     ED_AREA_YAMYAM_CONTENT_XOFF(0),     ED_AREA_YAMYAM_CONTENT_YOFF(0),
3494     GADGET_ID_YAMYAM_CONTENT_0,         GADGET_ID_NONE,
3495     &level.yamyam_content[0].e[0][0],   3, 3,
3496     NULL, NULL, NULL, "1",              NULL
3497   },
3498   {
3499     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3500     ED_AREA_YAMYAM_CONTENT_XOFF(1),     ED_AREA_YAMYAM_CONTENT_YOFF(1),
3501     GADGET_ID_YAMYAM_CONTENT_1,         GADGET_ID_NONE,
3502     &level.yamyam_content[1].e[0][0],   3, 3,
3503     NULL, NULL, NULL, "2",              NULL
3504   },
3505   {
3506     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3507     ED_AREA_YAMYAM_CONTENT_XOFF(2),     ED_AREA_YAMYAM_CONTENT_YOFF(2),
3508     GADGET_ID_YAMYAM_CONTENT_2,         GADGET_ID_NONE,
3509     &level.yamyam_content[2].e[0][0],   3, 3,
3510     NULL, NULL, NULL, "3",              NULL
3511   },
3512   {
3513     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3514     ED_AREA_YAMYAM_CONTENT_XOFF(3),     ED_AREA_YAMYAM_CONTENT_YOFF(3),
3515     GADGET_ID_YAMYAM_CONTENT_3,         GADGET_ID_NONE,
3516     &level.yamyam_content[3].e[0][0],   3, 3,
3517     NULL, NULL, NULL, "4",              NULL
3518   },
3519   {
3520     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3521     ED_AREA_YAMYAM_CONTENT_XOFF(4),     ED_AREA_YAMYAM_CONTENT_YOFF(4),
3522     GADGET_ID_YAMYAM_CONTENT_4,         GADGET_ID_NONE,
3523     &level.yamyam_content[4].e[0][0],   3, 3,
3524     NULL, NULL, NULL, "5",              NULL
3525   },
3526   {
3527     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3528     ED_AREA_YAMYAM_CONTENT_XOFF(5),     ED_AREA_YAMYAM_CONTENT_YOFF(5),
3529     GADGET_ID_YAMYAM_CONTENT_5,         GADGET_ID_NONE,
3530     &level.yamyam_content[5].e[0][0],   3, 3,
3531     NULL, NULL, NULL, "6",              NULL
3532   },
3533   {
3534     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3535     ED_AREA_YAMYAM_CONTENT_XOFF(6),     ED_AREA_YAMYAM_CONTENT_YOFF(6),
3536     GADGET_ID_YAMYAM_CONTENT_6,         GADGET_ID_NONE,
3537     &level.yamyam_content[6].e[0][0],   3, 3,
3538     NULL, NULL, NULL, "7",              NULL
3539   },
3540   {
3541     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3542     ED_AREA_YAMYAM_CONTENT_XOFF(7),     ED_AREA_YAMYAM_CONTENT_YOFF(7),
3543     GADGET_ID_YAMYAM_CONTENT_7,         GADGET_ID_NONE,
3544     &level.yamyam_content[7].e[0][0],   3, 3,
3545     NULL, NULL, NULL, "8",              NULL
3546   },
3547
3548   // ---------- magic ball content --------------------------------------------
3549
3550   {
3551     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3552     ED_AREA_MAGIC_BALL_CONTENT_XOFF(0), ED_AREA_MAGIC_BALL_CONTENT_YOFF(0),
3553     GADGET_ID_MAGIC_BALL_CONTENT_0,     GADGET_ID_NONE,
3554     &level.ball_content[0].e[0][0],     3, 3,
3555     NULL, NULL, NULL, "1",              NULL
3556   },
3557   {
3558     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3559     ED_AREA_MAGIC_BALL_CONTENT_XOFF(1), ED_AREA_MAGIC_BALL_CONTENT_YOFF(1),
3560     GADGET_ID_MAGIC_BALL_CONTENT_1,     GADGET_ID_NONE,
3561     &level.ball_content[1].e[0][0],     3, 3,
3562     NULL, NULL, NULL, "2",              NULL
3563   },
3564   {
3565     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3566     ED_AREA_MAGIC_BALL_CONTENT_XOFF(2), ED_AREA_MAGIC_BALL_CONTENT_YOFF(2),
3567     GADGET_ID_MAGIC_BALL_CONTENT_2,     GADGET_ID_NONE,
3568     &level.ball_content[2].e[0][0],     3, 3,
3569     NULL, NULL, NULL, "3",              NULL
3570   },
3571   {
3572     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3573     ED_AREA_MAGIC_BALL_CONTENT_XOFF(3), ED_AREA_MAGIC_BALL_CONTENT_YOFF(3),
3574     GADGET_ID_MAGIC_BALL_CONTENT_3,     GADGET_ID_NONE,
3575     &level.ball_content[3].e[0][0],     3, 3,
3576     NULL, NULL, NULL, "4",              NULL
3577   },
3578   {
3579     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3580     ED_AREA_MAGIC_BALL_CONTENT_XOFF(4), ED_AREA_MAGIC_BALL_CONTENT_YOFF(4),
3581     GADGET_ID_MAGIC_BALL_CONTENT_4,     GADGET_ID_NONE,
3582     &level.ball_content[4].e[0][0],     3, 3,
3583     NULL, NULL, NULL, "5",              NULL
3584   },
3585   {
3586     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3587     ED_AREA_MAGIC_BALL_CONTENT_XOFF(5), ED_AREA_MAGIC_BALL_CONTENT_YOFF(5),
3588     GADGET_ID_MAGIC_BALL_CONTENT_5,     GADGET_ID_NONE,
3589     &level.ball_content[5].e[0][0],     3, 3,
3590     NULL, NULL, NULL, "6",              NULL
3591   },
3592   {
3593     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3594     ED_AREA_MAGIC_BALL_CONTENT_XOFF(6), ED_AREA_MAGIC_BALL_CONTENT_YOFF(6),
3595     GADGET_ID_MAGIC_BALL_CONTENT_6,     GADGET_ID_NONE,
3596     &level.ball_content[6].e[0][0],     3, 3,
3597     NULL, NULL, NULL, "7",              NULL
3598   },
3599   {
3600     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3601     ED_AREA_MAGIC_BALL_CONTENT_XOFF(7), ED_AREA_MAGIC_BALL_CONTENT_YOFF(7),
3602     GADGET_ID_MAGIC_BALL_CONTENT_7,     GADGET_ID_NONE,
3603     &level.ball_content[7].e[0][0],     3, 3,
3604     NULL, NULL, NULL, "8",              NULL
3605   },
3606
3607   // ---------- android content -----------------------------------------------
3608
3609   {
3610     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(6),
3611     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3612     GADGET_ID_ANDROID_CONTENT,          GADGET_ID_NONE,
3613     &level.android_clone_element[0],    MAX_ANDROID_ELEMENTS, 1,
3614     NULL, NULL, "elements:", NULL,      "elements android can clone"
3615   },
3616
3617   // ---------- amoeba content ------------------------------------------------
3618
3619   {
3620     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(3),
3621     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3622     GADGET_ID_AMOEBA_CONTENT,           GADGET_ID_NONE,
3623     &level.amoeba_content,              1, 1,
3624     "content:", NULL, NULL, NULL,       "amoeba content"
3625   },
3626
3627   // ---------- level start element -------------------------------------------
3628
3629   {
3630     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(10),
3631     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3632     GADGET_ID_START_ELEMENT,            GADGET_ID_USE_START_ELEMENT,
3633     &level.start_element[0],            1, 1,
3634     NULL, NULL, NULL, NULL,             "level start element"
3635   },
3636
3637   // ---------- player artwork element ----------------------------------------
3638
3639   {
3640     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(11),
3641     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3642     GADGET_ID_ARTWORK_ELEMENT,          GADGET_ID_USE_ARTWORK_ELEMENT,
3643     &level.artwork_element[0],          1, 1,
3644     NULL, NULL, NULL, NULL,             "element for player artwork"
3645   },
3646
3647   // ---------- player explosion element --------------------------------------
3648
3649   {
3650     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(12),
3651     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3652     GADGET_ID_EXPLOSION_ELEMENT,        GADGET_ID_USE_EXPLOSION_ELEMENT,
3653     &level.explosion_element[0],        1, 1,
3654     NULL, NULL, NULL, NULL,             "element for player explosion"
3655   },
3656
3657   // ---------- player initial inventory --------------------------------------
3658
3659   {
3660     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3661     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3662     GADGET_ID_INVENTORY_CONTENT,        GADGET_ID_USE_INITIAL_INVENTORY,
3663     &level.initial_inventory_content[0][0], MAX_INITIAL_INVENTORY_SIZE, 1,
3664     NULL, NULL, NULL, NULL,             "content for initial inventory"
3665   },
3666
3667   // ---------- element settings: configure 1 (custom elements) ---------------
3668
3669   // ---------- custom graphic ------------------------------------------------
3670
3671   {
3672     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3673     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3674     GADGET_ID_CUSTOM_GRAPHIC,           GADGET_ID_CUSTOM_USE_GRAPHIC,
3675     &custom_element.gfx_element_initial,1, 1,
3676     NULL, NULL, NULL, NULL,             "custom graphic element"
3677   },
3678
3679   // ---------- element settings: configure 2 (custom elements) ---------------
3680
3681   // ---------- custom content (when exploding) -------------------------------
3682
3683   {
3684     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(10),
3685     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
3686     GADGET_ID_CUSTOM_CONTENT,           GADGET_ID_NONE, // align three rows
3687     &custom_element.content.e[0][0],    3, 3,
3688     "content:", NULL, NULL, NULL,       NULL
3689   },
3690
3691   // ---------- custom enter and leave element (when moving) ------------------
3692
3693   {
3694     ED_AREA_1X1_SETTINGS_XPOS(1),       ED_AREA_1X1_SETTINGS_YPOS(3),
3695     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3696     GADGET_ID_CUSTOM_MOVE_ENTER,        GADGET_ID_NONE,
3697     &custom_element.move_enter_element, 1, 1,
3698     "can dig:", " ", NULL, NULL,        "element that can be digged/collected"
3699   },
3700   {
3701     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(3),
3702     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3703     GADGET_ID_CUSTOM_MOVE_LEAVE,        GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
3704     &custom_element.move_leave_element, 1, 1,
3705     NULL, NULL, NULL, NULL,             "element that will be left behind"
3706   },
3707
3708   // ---------- element settings: advanced (custom elements) ------------------
3709
3710   // ---------- custom change target ------------------------------------------
3711
3712   {
3713     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3714     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3715     GADGET_ID_CUSTOM_CHANGE_TARGET,     GADGET_ID_CUSTOM_CAN_CHANGE,
3716     &custom_element_change.target_element, 1, 1,
3717     NULL, "after/when:", NULL, NULL,    "new target element after change"
3718   },
3719
3720   // ---------- custom change content (extended change target) ----------------
3721
3722   {
3723     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(9),
3724     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
3725     GADGET_ID_CUSTOM_CHANGE_CONTENT,    GADGET_ID_NONE, // align three rows
3726     &custom_element_change.target_content.e[0][0], 3, 3,
3727     NULL, NULL, NULL, NULL,             "new extended elements after change"
3728   },
3729
3730   // ---------- custom change trigger (element causing change) ----------------
3731
3732   {
3733     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(5),
3734     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3735     GADGET_ID_CUSTOM_CHANGE_TRIGGER,    GADGET_ID_CHANGE_OTHER_ACTION,
3736     &custom_element_change.initial_trigger_element, 1, 1,
3737     NULL, NULL, NULL, NULL,             "other element triggering change"
3738   },
3739
3740   // ---------- custom change action (element used for action) ----------------
3741
3742   {
3743     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(13),
3744     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3745     GADGET_ID_CUSTOM_CHANGE_ACTION,     GADGET_ID_ACTION_ARG,
3746     &custom_element_change.action_element, 1, 1,
3747     NULL, NULL, NULL, NULL,             "element used as action parameter"
3748   },
3749
3750   // ---------- group element content -----------------------------------------
3751
3752   {
3753     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
3754     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3755     GADGET_ID_GROUP_CONTENT,            GADGET_ID_NONE,
3756     &group_element_info.element[0],     MAX_ELEMENTS_IN_GROUP, 1,
3757     "content:", NULL, NULL, NULL,       NULL
3758   },
3759
3760   // ---------- random background (for random painting) -----------------------
3761
3762   {
3763     -1,                                 ED_AREA_1X1_LSETTINGS_YPOS(1),
3764     0,                                  ED_AREA_1X1_LSETTINGS_YOFF,
3765     GADGET_ID_RANDOM_BACKGROUND,        GADGET_ID_RANDOM_RESTRICTED,
3766     &random_placement_background_element, 1, 1,
3767     NULL, NULL, NULL, NULL,             "random placement background"
3768   },
3769 };
3770
3771
3772 // ----------------------------------------------------------------------------
3773 // some internally used variables
3774 // ----------------------------------------------------------------------------
3775
3776 // maximal size of level editor drawing area
3777 static int MAX_ED_FIELDX, MAX_ED_FIELDY;
3778
3779 // actual size of level editor drawing area
3780 static int ed_fieldx, ed_fieldy;
3781
3782 // actual position of level editor drawing area in level playfield
3783 static int level_xpos = -1, level_ypos = -1;
3784
3785 // actual tile size used to display playfield drawing area
3786 static int ed_tilesize = DEFAULT_EDITOR_TILESIZE;
3787 static int ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
3788
3789 #define IN_ED_FIELD(x,y)        IN_FIELD(x, y, ed_fieldx, ed_fieldy)
3790
3791 // drawing elements on the three mouse buttons
3792 static int new_element1 = EL_WALL;
3793 static int new_element2 = EL_EMPTY;
3794 static int new_element3 = EL_SAND;
3795
3796 #define IS_VALID_BUTTON(button) (button >= 1 && button <= 3)
3797 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
3798                                 (button) == 2 ? new_element2 : \
3799                                 (button) == 3 ? new_element3 : EL_EMPTY)
3800
3801 #define BUTTON_TILE_SIZE(x)     ((x) >= TILESIZE ? TILESIZE : MINI_TILESIZE)
3802
3803 static int use_permanent_palette = TRUE;
3804
3805 #define PX              (use_permanent_palette ? DX : SX)
3806 #define PY              (use_permanent_palette ? DY : SY)
3807 #define PXSIZE          (use_permanent_palette ? DXSIZE : SXSIZE)
3808 #define PYSIZE          (use_permanent_palette ? DYSIZE : SYSIZE)
3809
3810 // forward declaration for internal use
3811 static void CopyBrushToCursor(int, int);
3812 static void DeleteBrushFromCursor(void);
3813 static void ModifyEditorCounterValue(int, int);
3814 static void ModifyEditorCounterLimits(int, int, int);
3815 static void ModifyEditorSelectboxValue(int, int);
3816 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
3817 static void ModifyEditorDrawingArea(int, int, int);
3818 static void ModifyEditorElementList(void);
3819 static void AdjustElementListScrollbar(void);
3820 static void RedrawDrawingElements(void);
3821 static void DrawDrawingWindowExt(boolean);
3822 static void DrawDrawingWindow(void);
3823 static void DrawLevelInfoWindow(void);
3824 static void DrawPropertiesWindow(void);
3825 static void DrawPaletteWindow(void);
3826 static void UpdateCustomElementGraphicGadgets(void);
3827 static boolean checkPropertiesConfig(int);
3828 static void SetAutomaticNumberOfGemsNeeded(void);
3829 static void ClearEditorGadgetInfoText(void);
3830 static void CopyLevelToUndoBuffer(int);
3831 static void HandleDrawingAreas(struct GadgetInfo *);
3832 static void HandleCounterButtons(struct GadgetInfo *);
3833 static void HandleTextInputGadgets(struct GadgetInfo *);
3834 static void HandleTextAreaGadgets(struct GadgetInfo *);
3835 static void HandleSelectboxGadgets(struct GadgetInfo *);
3836 static void HandleTextbuttonGadgets(struct GadgetInfo *);
3837 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
3838 static void HandleRadiobuttons(struct GadgetInfo *);
3839 static void HandleCheckbuttons(struct GadgetInfo *);
3840 static void HandleControlButtons(struct GadgetInfo *);
3841 static void HandleDrawingAreaInfo(struct GadgetInfo *);
3842 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
3843 static boolean AskToCopyAndModifyLevelTemplate(void);
3844 static boolean getDrawModeHiRes(void);
3845 static int getTabulatorBarWidth(void);
3846 static int getTabulatorBarHeight(void);
3847 static Pixel getTabulatorBarColor(void);
3848
3849 static int num_editor_gadgets = 0;      // dynamically determined
3850
3851 static struct GadgetInfo **level_editor_gadget = NULL;
3852 static int *right_gadget_border = NULL;
3853
3854 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
3855 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
3856 static boolean draw_with_brush = FALSE;
3857 static int properties_element = 0;
3858
3859 static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3860 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3861 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3862 static int undo_buffer_position = 0;
3863 static int undo_buffer_steps = 0;
3864 static int redo_buffer_steps = 0;
3865
3866 static int edit_mode;
3867 static int edit_mode_levelinfo;
3868 static int edit_mode_properties;
3869
3870 static int element_shift = 0;
3871
3872 static int editor_el_players[] =
3873 {
3874   EL_PLAYER_1,
3875   EL_PLAYER_2,
3876   EL_PLAYER_3,
3877   EL_PLAYER_4
3878 };
3879 static int *editor_el_players_ptr = editor_el_players;
3880 static int num_editor_el_players = ARRAY_SIZE(editor_el_players);
3881
3882 static int editor_hl_boulderdash[] =
3883 {
3884   EL_INTERNAL_CASCADE_BD_ACTIVE,
3885   EL_CHAR('B'),
3886   EL_CHAR('D'),
3887   EL_EMPTY,
3888 };
3889
3890 static int editor_el_boulderdash[] =
3891 {
3892   EL_EMPTY,
3893   EL_SAND,
3894   EL_BD_ROCK,
3895   EL_BD_DIAMOND,
3896
3897   EL_STEELWALL,
3898   EL_BD_WALL,
3899   EL_BD_EXPANDABLE_WALL,
3900   EL_BD_MAGIC_WALL,
3901
3902   EL_BD_AMOEBA,
3903   EL_BD_BUTTERFLY_UP,
3904   EL_BD_FIREFLY_UP,
3905   EL_EXIT_CLOSED,
3906
3907   EL_BD_BUTTERFLY_LEFT,
3908   EL_BD_FIREFLY_LEFT,
3909   EL_BD_BUTTERFLY_RIGHT,
3910   EL_BD_FIREFLY_RIGHT,
3911
3912   EL_EMPTY,
3913   EL_BD_BUTTERFLY_DOWN,
3914   EL_BD_FIREFLY_DOWN,
3915   EL_EXIT_OPEN,
3916 };
3917 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
3918 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
3919 static int num_editor_hl_boulderdash = ARRAY_SIZE(editor_hl_boulderdash);
3920 static int num_editor_el_boulderdash = ARRAY_SIZE(editor_el_boulderdash);
3921
3922 static int editor_hl_emerald_mine[] =
3923 {
3924   EL_INTERNAL_CASCADE_EM_ACTIVE,
3925   EL_CHAR('E'),
3926   EL_CHAR('M'),
3927   EL_EMPTY,
3928 };
3929
3930 static int editor_el_emerald_mine[] =
3931 {
3932   EL_SAND,
3933   EL_ROCK,
3934   EL_QUICKSAND_EMPTY,
3935   EL_QUICKSAND_FULL,
3936
3937   EL_STEELWALL,
3938   EL_WALL,
3939   EL_WALL_SLIPPERY,
3940   EL_MAGIC_WALL,
3941
3942   EL_EMERALD,
3943   EL_DIAMOND,
3944   EL_NUT,
3945   EL_BOMB,
3946
3947   EL_EM_DYNAMITE,
3948   EL_EM_DYNAMITE_ACTIVE,
3949   EL_EM_EXIT_CLOSED,
3950   EL_EM_EXIT_OPEN,
3951
3952   EL_YAMYAM_UP,
3953   EL_BUG_UP,
3954   EL_SPACESHIP_UP,
3955   EL_ROBOT,
3956
3957   EL_BUG_LEFT,
3958   EL_SPACESHIP_LEFT,
3959   EL_BUG_RIGHT,
3960   EL_SPACESHIP_RIGHT,
3961
3962   EL_ROBOT_WHEEL,
3963   EL_BUG_DOWN,
3964   EL_SPACESHIP_DOWN,
3965   EL_INVISIBLE_WALL,
3966
3967   EL_ACID_POOL_TOPLEFT,
3968   EL_ACID,
3969   EL_ACID_POOL_TOPRIGHT,
3970   EL_AMOEBA_DROP,
3971
3972   EL_ACID_POOL_BOTTOMLEFT,
3973   EL_ACID_POOL_BOTTOM,
3974   EL_ACID_POOL_BOTTOMRIGHT,
3975   EL_AMOEBA_WET,
3976
3977   EL_EM_KEY_1,
3978   EL_EM_KEY_2,
3979   EL_EM_KEY_3,
3980   EL_EM_KEY_4,
3981
3982   EL_EM_GATE_1,
3983   EL_EM_GATE_2,
3984   EL_EM_GATE_3,
3985   EL_EM_GATE_4,
3986
3987   EL_EM_GATE_1_GRAY,
3988   EL_EM_GATE_2_GRAY,
3989   EL_EM_GATE_3_GRAY,
3990   EL_EM_GATE_4_GRAY,
3991 };
3992 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
3993 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
3994 static int num_editor_hl_emerald_mine = ARRAY_SIZE(editor_hl_emerald_mine);
3995 static int num_editor_el_emerald_mine = ARRAY_SIZE(editor_el_emerald_mine);
3996
3997 static int editor_hl_emerald_mine_club[] =
3998 {
3999   EL_INTERNAL_CASCADE_EMC_ACTIVE,
4000   EL_CHAR('E'),
4001   EL_CHAR('M'),
4002   EL_CHAR('C'),
4003 };
4004
4005 static int editor_el_emerald_mine_club[] =
4006 {
4007   EL_EMC_KEY_5,
4008   EL_EMC_KEY_6,
4009   EL_EMC_KEY_7,
4010   EL_EMC_KEY_8,
4011
4012   EL_EMC_GATE_5,
4013   EL_EMC_GATE_6,
4014   EL_EMC_GATE_7,
4015   EL_EMC_GATE_8,
4016
4017   EL_EMC_GATE_5_GRAY,
4018   EL_EMC_GATE_6_GRAY,
4019   EL_EMC_GATE_7_GRAY,
4020   EL_EMC_GATE_8_GRAY,
4021
4022   EL_EMC_STEELWALL_1,
4023   EL_EMC_STEELWALL_2,
4024   EL_EMC_STEELWALL_3,
4025   EL_EMC_STEELWALL_4,
4026
4027   EL_EMC_WALL_13,
4028   EL_EMC_WALL_14,
4029   EL_EMC_WALL_15,
4030   EL_EMC_WALL_16,
4031
4032   EL_EMC_WALL_SLIPPERY_1,
4033   EL_EMC_WALL_SLIPPERY_2,
4034   EL_EMC_WALL_SLIPPERY_3,
4035   EL_EMC_WALL_SLIPPERY_4,
4036
4037   EL_EMC_WALL_1,
4038   EL_EMC_WALL_2,
4039   EL_EMC_WALL_3,
4040   EL_EMC_WALL_4,
4041
4042   EL_EMC_WALL_5,
4043   EL_EMC_WALL_6,
4044   EL_EMC_WALL_7,
4045   EL_EMC_WALL_8,
4046
4047   EL_EMC_WALL_9,
4048   EL_EMC_WALL_10,
4049   EL_EMC_WALL_11,
4050   EL_EMC_WALL_12,
4051
4052   EL_EMC_GRASS,
4053   EL_EMC_FAKE_GRASS,
4054   EL_EMC_PLANT,
4055   EL_EMC_DRIPPER,
4056
4057   EL_EMC_MAGIC_BALL,
4058   EL_EMC_MAGIC_BALL_SWITCH,
4059   EL_EMC_LENSES,
4060   EL_EMC_MAGNIFIER,
4061
4062   EL_SPRING_LEFT,
4063   EL_SPRING,
4064   EL_SPRING_RIGHT,
4065   EL_EMC_SPRING_BUMPER,
4066
4067   EL_BALLOON,
4068   EL_YAMYAM_UP,
4069   EL_BALLOON_SWITCH_UP,
4070   EL_BALLOON_SWITCH_ANY,
4071
4072   EL_YAMYAM_LEFT,
4073   EL_BALLOON_SWITCH_LEFT,
4074   EL_YAMYAM_RIGHT,
4075   EL_BALLOON_SWITCH_RIGHT,
4076
4077   EL_EMC_ANDROID,
4078   EL_YAMYAM_DOWN,
4079   EL_BALLOON_SWITCH_DOWN,
4080   EL_BALLOON_SWITCH_NONE,
4081 };
4082 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
4083 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
4084 static int num_editor_hl_emerald_mine_club = ARRAY_SIZE(editor_hl_emerald_mine_club);
4085 static int num_editor_el_emerald_mine_club = ARRAY_SIZE(editor_el_emerald_mine_club);
4086
4087 static int editor_hl_rnd[] =
4088 {
4089   EL_INTERNAL_CASCADE_RND_ACTIVE,
4090   EL_CHAR('R'),
4091   EL_CHAR('N'),
4092   EL_CHAR('D'),
4093 };
4094
4095 static int editor_el_rnd[] =
4096 {
4097   EL_DYNAMITE,                  // RND
4098   EL_DYNAMITE_ACTIVE,           // RND
4099   EL_EMPTY,
4100   EL_EMPTY,
4101
4102   EL_KEY_1,
4103   EL_KEY_2,
4104   EL_KEY_3,
4105   EL_KEY_4,
4106
4107   EL_GATE_1,
4108   EL_GATE_2,
4109   EL_GATE_3,
4110   EL_GATE_4,
4111
4112   EL_GATE_1_GRAY,
4113   EL_GATE_2_GRAY,
4114   EL_GATE_3_GRAY,
4115   EL_GATE_4_GRAY,
4116
4117   EL_ARROW_LEFT,
4118   EL_ARROW_RIGHT,
4119   EL_ARROW_UP,
4120   EL_ARROW_DOWN,
4121
4122   EL_AMOEBA_DEAD,
4123   EL_AMOEBA_DRY,
4124   EL_AMOEBA_FULL,
4125   EL_GAME_OF_LIFE,
4126
4127   EL_EMERALD_YELLOW,
4128   EL_EMERALD_RED,
4129   EL_EMERALD_PURPLE,
4130   EL_BIOMAZE,
4131
4132   EL_WALL_EMERALD_YELLOW,
4133   EL_WALL_EMERALD_RED,
4134   EL_WALL_EMERALD_PURPLE,
4135   EL_WALL_BD_DIAMOND,
4136
4137   EL_SPEED_PILL,
4138   EL_PACMAN_UP,
4139   EL_TIME_ORB_FULL,
4140   EL_TIME_ORB_EMPTY,
4141
4142   EL_PACMAN_LEFT,
4143   EL_DARK_YAMYAM,
4144   EL_PACMAN_RIGHT,
4145   EL_YAMYAM,                    // RND
4146
4147   EL_BLACK_ORB,
4148   EL_PACMAN_DOWN,
4149   EL_LAMP,
4150   EL_LAMP_ACTIVE,
4151
4152   EL_DYNABOMB_INCREASE_NUMBER,
4153   EL_DYNABOMB_INCREASE_SIZE,
4154   EL_DYNABOMB_INCREASE_POWER,
4155   EL_STONEBLOCK,
4156
4157   EL_MOLE,
4158   EL_PENGUIN,
4159   EL_PIG,
4160   EL_DRAGON,
4161
4162   EL_BUG,
4163   EL_MOLE_UP,
4164   EL_BD_BUTTERFLY,
4165   EL_BD_FIREFLY,
4166
4167   EL_MOLE_LEFT,
4168   EL_SATELLITE,
4169   EL_MOLE_RIGHT,
4170   EL_PACMAN,
4171
4172   EL_SPACESHIP,
4173   EL_MOLE_DOWN,
4174   EL_INVISIBLE_STEELWALL,
4175   EL_INVISIBLE_WALL,
4176
4177   EL_EXPANDABLE_WALL,
4178   EL_EXPANDABLE_WALL_HORIZONTAL,
4179   EL_EXPANDABLE_WALL_VERTICAL,
4180   EL_EXPANDABLE_WALL_ANY,
4181 };
4182 static int *editor_hl_rnd_ptr = editor_hl_rnd;
4183 static int *editor_el_rnd_ptr = editor_el_rnd;
4184 static int num_editor_hl_rnd = ARRAY_SIZE(editor_hl_rnd);
4185 static int num_editor_el_rnd = ARRAY_SIZE(editor_el_rnd);
4186
4187 static int editor_hl_sokoban[] =
4188 {
4189   EL_INTERNAL_CASCADE_SB_ACTIVE,
4190   EL_CHAR('S'),
4191   EL_CHAR('B'),
4192   EL_EMPTY,
4193 };
4194
4195 static int editor_el_sokoban[] =
4196 {
4197   EL_SOKOBAN_OBJECT,
4198   EL_SOKOBAN_FIELD_EMPTY,
4199   EL_SOKOBAN_FIELD_FULL,
4200   EL_SOKOBAN_FIELD_PLAYER,
4201 };
4202 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
4203 static int *editor_el_sokoban_ptr = editor_el_sokoban;
4204 static int num_editor_hl_sokoban = ARRAY_SIZE(editor_hl_sokoban);
4205 static int num_editor_el_sokoban = ARRAY_SIZE(editor_el_sokoban);
4206
4207 static int editor_hl_supaplex[] =
4208 {
4209   EL_INTERNAL_CASCADE_SP_ACTIVE,
4210   EL_CHAR('S'),
4211   EL_CHAR('P'),
4212   EL_EMPTY,
4213 };
4214
4215 static int editor_el_supaplex[] =
4216 {
4217   EL_SP_MURPHY,
4218   EL_EMPTY,
4219   EL_SP_BASE,
4220   EL_SP_BUGGY_BASE,
4221
4222   EL_SP_INFOTRON,
4223   EL_SP_ZONK,
4224   EL_SP_SNIKSNAK,
4225   EL_SP_ELECTRON,
4226
4227   EL_SP_DISK_RED,
4228   EL_SP_DISK_ORANGE,
4229   EL_SP_DISK_YELLOW,
4230   EL_SP_TERMINAL,
4231
4232   EL_SP_EXIT_CLOSED,
4233   EL_SP_PORT_HORIZONTAL,
4234   EL_SP_PORT_VERTICAL,
4235   EL_SP_PORT_ANY,
4236
4237   EL_SP_PORT_LEFT,
4238   EL_SP_PORT_RIGHT,
4239   EL_SP_PORT_UP,
4240   EL_SP_PORT_DOWN,
4241
4242   EL_SP_GRAVITY_PORT_LEFT,
4243   EL_SP_GRAVITY_PORT_RIGHT,
4244   EL_SP_GRAVITY_PORT_UP,
4245   EL_SP_GRAVITY_PORT_DOWN,
4246
4247   EL_SP_GRAVITY_ON_PORT_LEFT,
4248   EL_SP_GRAVITY_ON_PORT_RIGHT,
4249   EL_SP_GRAVITY_ON_PORT_UP,
4250   EL_SP_GRAVITY_ON_PORT_DOWN,
4251
4252   EL_SP_GRAVITY_OFF_PORT_LEFT,
4253   EL_SP_GRAVITY_OFF_PORT_RIGHT,
4254   EL_SP_GRAVITY_OFF_PORT_UP,
4255   EL_SP_GRAVITY_OFF_PORT_DOWN,
4256
4257   EL_SP_HARDWARE_GRAY,
4258   EL_SP_HARDWARE_GREEN,
4259   EL_SP_HARDWARE_BLUE,
4260   EL_SP_HARDWARE_RED,
4261
4262   EL_SP_HARDWARE_BASE_1,
4263   EL_SP_HARDWARE_BASE_2,
4264   EL_SP_HARDWARE_BASE_3,
4265   EL_SP_HARDWARE_BASE_4,
4266
4267   EL_SP_HARDWARE_BASE_5,
4268   EL_SP_HARDWARE_BASE_6,
4269   EL_SP_HARDWARE_YELLOW,
4270   EL_SP_CHIP_TOP,
4271
4272   EL_SP_CHIP_SINGLE,
4273   EL_SP_CHIP_LEFT,
4274   EL_SP_CHIP_RIGHT,
4275   EL_SP_CHIP_BOTTOM,
4276 };
4277 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
4278 static int *editor_el_supaplex_ptr = editor_el_supaplex;
4279 static int num_editor_hl_supaplex = ARRAY_SIZE(editor_hl_supaplex);
4280 static int num_editor_el_supaplex = ARRAY_SIZE(editor_el_supaplex);
4281
4282 static int editor_hl_diamond_caves[] =
4283 {
4284   EL_INTERNAL_CASCADE_DC_ACTIVE,
4285   EL_CHAR('D'),
4286   EL_CHAR('C'),
4287   EL_CHAR('2'),
4288 };
4289
4290 static int editor_el_diamond_caves[] =
4291 {
4292   EL_EM_STEEL_EXIT_CLOSED,      // DC2
4293   EL_EM_STEEL_EXIT_OPEN,        // DC2
4294   EL_WALL_EMERALD,              // DC2
4295   EL_WALL_DIAMOND,              // DC2
4296
4297   EL_PEARL,
4298   EL_CRYSTAL,
4299   EL_WALL_PEARL,
4300   EL_WALL_CRYSTAL,
4301
4302   EL_CONVEYOR_BELT_1_LEFT,
4303   EL_CONVEYOR_BELT_1_MIDDLE,
4304   EL_CONVEYOR_BELT_1_RIGHT,
4305   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
4306
4307   EL_CONVEYOR_BELT_2_LEFT,
4308   EL_CONVEYOR_BELT_2_MIDDLE,
4309   EL_CONVEYOR_BELT_2_RIGHT,
4310   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
4311
4312   EL_CONVEYOR_BELT_3_LEFT,
4313   EL_CONVEYOR_BELT_3_MIDDLE,
4314   EL_CONVEYOR_BELT_3_RIGHT,
4315   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
4316
4317   EL_CONVEYOR_BELT_4_LEFT,
4318   EL_CONVEYOR_BELT_4_MIDDLE,
4319   EL_CONVEYOR_BELT_4_RIGHT,
4320   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
4321
4322   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
4323   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
4324   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
4325   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
4326
4327   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
4328   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
4329   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
4330   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
4331
4332   EL_TIMEGATE_CLOSED,
4333   EL_TIMEGATE_OPEN,
4334   EL_TIMEGATE_SWITCH,
4335   EL_DC_TIMEGATE_SWITCH,
4336
4337   EL_SWITCHGATE_CLOSED,
4338   EL_SWITCHGATE_OPEN,
4339   EL_SWITCHGATE_SWITCH_UP,
4340   EL_SWITCHGATE_SWITCH_DOWN,
4341
4342   EL_LIGHT_SWITCH,
4343   EL_LIGHT_SWITCH_ACTIVE,
4344   EL_DC_SWITCHGATE_SWITCH_UP,
4345   EL_DC_SWITCHGATE_SWITCH_DOWN,
4346
4347   EL_STEEL_EXIT_CLOSED,
4348   EL_STEEL_EXIT_OPEN,
4349   EL_STEELWALL_SLIPPERY,
4350   EL_INVISIBLE_SAND,
4351
4352   EL_QUICKSAND_FAST_EMPTY,
4353   EL_QUICKSAND_FAST_FULL,
4354   EL_LANDMINE,
4355   EL_DC_LANDMINE,
4356
4357   EL_SHIELD_NORMAL,
4358   EL_SHIELD_DEADLY,
4359   EL_EXTRA_TIME,
4360   EL_DC_MAGIC_WALL,
4361
4362   EL_ENVELOPE_1,
4363   EL_ENVELOPE_2,
4364   EL_ENVELOPE_3,
4365   EL_ENVELOPE_4,
4366
4367   EL_SIGN_RADIOACTIVITY,
4368   EL_SIGN_WHEELCHAIR,
4369   EL_SIGN_PARKING,
4370   EL_SIGN_NO_ENTRY,
4371
4372   EL_SIGN_GIVE_WAY,
4373   EL_SIGN_ENTRY_FORBIDDEN,
4374   EL_SIGN_EMERGENCY_EXIT,
4375   EL_SIGN_YIN_YANG,
4376
4377 #if 0
4378   EL_SIGN_SPERMS,
4379   EL_SIGN_BULLET,
4380   EL_SIGN_HEART,
4381   EL_SIGN_CROSS,
4382
4383   EL_SIGN_FRANKIE,
4384   EL_EMPTY,
4385   EL_EMPTY,
4386   EL_EMPTY,
4387
4388   EL_SPERMS,
4389   EL_BULLET,
4390   EL_HEART,
4391   EL_CROSS,
4392
4393   EL_FRANKIE,
4394   EL_EMPTY,
4395   EL_EMPTY,
4396   EL_EMPTY,
4397 #endif
4398
4399   EL_DC_STEELWALL_2_SINGLE,
4400   EL_DC_STEELWALL_2_TOP,
4401   EL_SIGN_EXCLAMATION,
4402   EL_SIGN_STOP,
4403
4404   EL_DC_STEELWALL_2_LEFT,
4405   EL_DC_STEELWALL_2_MIDDLE,
4406   EL_DC_STEELWALL_2_HORIZONTAL,
4407   EL_DC_STEELWALL_2_RIGHT,
4408
4409   EL_DC_STEELWALL_1_TOPLEFT,
4410   EL_DC_STEELWALL_2_VERTICAL,
4411   EL_DC_STEELWALL_1_TOPRIGHT,
4412   EL_DC_GATE_WHITE,
4413
4414   EL_DC_STEELWALL_1_VERTICAL,
4415   EL_DC_STEELWALL_2_BOTTOM,
4416   EL_DC_KEY_WHITE,
4417   EL_DC_GATE_WHITE_GRAY,
4418
4419   EL_DC_STEELWALL_1_BOTTOMLEFT,
4420   EL_DC_STEELWALL_1_HORIZONTAL,
4421   EL_DC_STEELWALL_1_BOTTOMRIGHT,
4422   EL_DC_GATE_FAKE_GRAY,
4423
4424   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
4425   EL_DC_STEELWALL_1_BOTTOM,
4426   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
4427   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
4428
4429   EL_DC_STEELWALL_1_RIGHT,
4430   EL_EMPTY,
4431   EL_DC_STEELWALL_1_LEFT,
4432   EL_EXPANDABLE_STEELWALL_VERTICAL,
4433
4434   EL_DC_STEELWALL_1_TOPRIGHT_2,
4435   EL_DC_STEELWALL_1_TOP,
4436   EL_DC_STEELWALL_1_TOPLEFT_2,
4437   EL_EXPANDABLE_STEELWALL_ANY,
4438 };
4439 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
4440 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
4441 static int num_editor_hl_diamond_caves = ARRAY_SIZE(editor_hl_diamond_caves);
4442 static int num_editor_el_diamond_caves = ARRAY_SIZE(editor_el_diamond_caves);
4443
4444 static int editor_hl_dx_boulderdash[] =
4445 {
4446   EL_INTERNAL_CASCADE_DX_ACTIVE,
4447   EL_CHAR('D'),
4448   EL_CHAR('X'),
4449   EL_EMPTY,
4450 };
4451
4452 static int editor_el_dx_boulderdash[] =
4453 {
4454   EL_EMPTY,
4455   EL_TUBE_RIGHT_DOWN,
4456   EL_TUBE_HORIZONTAL_DOWN,
4457   EL_TUBE_LEFT_DOWN,
4458
4459   EL_TUBE_HORIZONTAL,
4460   EL_TUBE_VERTICAL_RIGHT,
4461   EL_TUBE_ANY,
4462   EL_TUBE_VERTICAL_LEFT,
4463
4464   EL_TUBE_VERTICAL,
4465   EL_TUBE_RIGHT_UP,
4466   EL_TUBE_HORIZONTAL_UP,
4467   EL_TUBE_LEFT_UP,
4468
4469   EL_TRAP,
4470   EL_DX_SUPABOMB,
4471   EL_EMPTY,
4472   EL_EMPTY
4473 };
4474 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
4475 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
4476 static int num_editor_hl_dx_boulderdash = ARRAY_SIZE(editor_hl_dx_boulderdash);
4477 static int num_editor_el_dx_boulderdash = ARRAY_SIZE(editor_el_dx_boulderdash);
4478
4479 static int editor_hl_mirror_magic[] =
4480 {
4481   EL_INTERNAL_CASCADE_MM_ACTIVE,
4482   EL_CHAR('M'),
4483   EL_CHAR('M'),
4484   EL_EMPTY,
4485 };
4486
4487 static int editor_el_mirror_magic[] =
4488 {
4489   EL_MM_MCDUFFIN_RIGHT,
4490   EL_MM_MCDUFFIN_UP,
4491   EL_MM_MCDUFFIN_LEFT,
4492   EL_MM_MCDUFFIN_DOWN,
4493
4494   EL_MM_MIRROR_START,
4495   EL_MM_MIRROR_FIXED_START,
4496   EL_MM_POLARIZER_START,
4497   EL_MM_POLARIZER_CROSS_START,
4498
4499   EL_MM_TELEPORTER_RED_START,
4500   EL_MM_TELEPORTER_YELLOW_START,
4501   EL_MM_TELEPORTER_GREEN_START,
4502   EL_MM_TELEPORTER_BLUE_START,
4503
4504   EL_MM_PRISM,
4505   EL_MM_FUSE_ACTIVE,
4506   EL_MM_PACMAN_RIGHT,
4507   EL_MM_EXIT_CLOSED,
4508
4509   EL_MM_KETTLE,
4510   EL_MM_BOMB,
4511   EL_MM_KEY,
4512   EL_MM_FUEL_FULL,
4513
4514   EL_MM_LIGHTBULB,
4515   EL_MM_LIGHTBULB_ACTIVE,
4516   EL_MM_GRAY_BALL,
4517   EL_MM_LIGHTBALL,
4518
4519   EL_MM_STEEL_WALL,
4520   EL_MM_WOODEN_WALL,
4521   EL_MM_ICE_WALL,
4522   EL_MM_AMOEBA_WALL,
4523
4524   EL_MM_STEEL_LOCK,
4525   EL_MM_WOODEN_LOCK,
4526   EL_MM_STEEL_BLOCK,
4527   EL_MM_WOODEN_BLOCK,
4528
4529   EL_MM_STEEL_GRID_FIXED_1,
4530   EL_MM_STEEL_GRID_FIXED_2,
4531   EL_MM_STEEL_GRID_FIXED_3,
4532   EL_MM_STEEL_GRID_FIXED_4,
4533
4534   EL_MM_WOODEN_GRID_FIXED_1,
4535   EL_MM_WOODEN_GRID_FIXED_2,
4536   EL_MM_WOODEN_GRID_FIXED_3,
4537   EL_MM_WOODEN_GRID_FIXED_4
4538 };
4539 static int *editor_hl_mirror_magic_ptr = editor_hl_mirror_magic;
4540 static int *editor_el_mirror_magic_ptr = editor_el_mirror_magic;
4541 static int num_editor_hl_mirror_magic = ARRAY_SIZE(editor_hl_mirror_magic);
4542 static int num_editor_el_mirror_magic = ARRAY_SIZE(editor_el_mirror_magic);
4543
4544 static int editor_hl_deflektor[] =
4545 {
4546   EL_INTERNAL_CASCADE_DF_ACTIVE,
4547   EL_CHAR('D'),
4548   EL_CHAR('F'),
4549   EL_EMPTY,
4550 };
4551
4552 static int editor_el_deflektor[] =
4553 {
4554   EL_DF_LASER_RIGHT,
4555   EL_DF_LASER_UP,
4556   EL_DF_LASER_LEFT,
4557   EL_DF_LASER_DOWN,
4558
4559   EL_DF_RECEIVER_RIGHT,
4560   EL_DF_RECEIVER_UP,
4561   EL_DF_RECEIVER_LEFT,
4562   EL_DF_RECEIVER_DOWN,
4563
4564   EL_DF_MIRROR_START,
4565   EL_DF_MIRROR_ROTATING_START,
4566   EL_DF_CELL,
4567   EL_DF_MINE,
4568
4569   EL_DF_FIBRE_OPTIC_RED_1,
4570   EL_DF_FIBRE_OPTIC_YELLOW_1,
4571   EL_DF_FIBRE_OPTIC_GREEN_1,
4572   EL_DF_FIBRE_OPTIC_BLUE_1,
4573
4574   EL_DF_STEEL_GRID_FIXED_START,
4575   EL_DF_STEEL_GRID_ROTATING_START,
4576   EL_DF_WOODEN_GRID_FIXED_START,
4577   EL_DF_WOODEN_GRID_ROTATING_START,
4578
4579   EL_DF_STEEL_WALL,
4580   EL_DF_WOODEN_WALL,
4581   EL_DF_REFRACTOR,
4582   EL_EMPTY
4583 };
4584 static int *editor_hl_deflektor_ptr = editor_hl_deflektor;
4585 static int *editor_el_deflektor_ptr = editor_el_deflektor;
4586 static int num_editor_hl_deflektor = ARRAY_SIZE(editor_hl_deflektor);
4587 static int num_editor_el_deflektor = ARRAY_SIZE(editor_el_deflektor);
4588
4589 static int editor_hl_chars[] =
4590 {
4591   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
4592   EL_CHAR('T'),
4593   EL_CHAR('X'),
4594   EL_CHAR('T'),
4595 };
4596
4597 static int editor_el_chars[] =
4598 {
4599   EL_CHAR(' '),
4600   EL_CHAR('!'),
4601   EL_CHAR('"'),
4602   EL_CHAR('#'),
4603
4604   EL_CHAR('$'),
4605   EL_CHAR('%'),
4606   EL_CHAR('&'),
4607   EL_CHAR('\''),
4608
4609   EL_CHAR('('),
4610   EL_CHAR(')'),
4611   EL_CHAR('*'),
4612   EL_CHAR('+'),
4613
4614   EL_CHAR(','),
4615   EL_CHAR('-'),
4616   EL_CHAR('.'),
4617   EL_CHAR('/'),
4618
4619   EL_CHAR('0'),
4620   EL_CHAR('1'),
4621   EL_CHAR('2'),
4622   EL_CHAR('3'),
4623
4624   EL_CHAR('4'),
4625   EL_CHAR('5'),
4626   EL_CHAR('6'),
4627   EL_CHAR('7'),
4628
4629   EL_CHAR('8'),
4630   EL_CHAR('9'),
4631   EL_CHAR(':'),
4632   EL_CHAR(';'),
4633
4634   EL_CHAR('<'),
4635   EL_CHAR('='),
4636   EL_CHAR('>'),
4637   EL_CHAR('?'),
4638
4639   EL_CHAR('@'),
4640   EL_CHAR('A'),
4641   EL_CHAR('B'),
4642   EL_CHAR('C'),
4643
4644   EL_CHAR('D'),
4645   EL_CHAR('E'),
4646   EL_CHAR('F'),
4647   EL_CHAR('G'),
4648
4649   EL_CHAR('H'),
4650   EL_CHAR('I'),
4651   EL_CHAR('J'),
4652   EL_CHAR('K'),
4653
4654   EL_CHAR('L'),
4655   EL_CHAR('M'),
4656   EL_CHAR('N'),
4657   EL_CHAR('O'),
4658
4659   EL_CHAR('P'),
4660   EL_CHAR('Q'),
4661   EL_CHAR('R'),
4662   EL_CHAR('S'),
4663
4664   EL_CHAR('T'),
4665   EL_CHAR('U'),
4666   EL_CHAR('V'),
4667   EL_CHAR('W'),
4668
4669   EL_CHAR('X'),
4670   EL_CHAR('Y'),
4671   EL_CHAR('Z'),
4672   EL_CHAR('['),
4673
4674   EL_CHAR('\\'),
4675   EL_CHAR(']'),
4676   EL_CHAR('^'),
4677   EL_CHAR('_'),
4678
4679   EL_CHAR(CHAR_BYTE_COPYRIGHT),
4680   EL_CHAR(CHAR_BYTE_UMLAUT_A),
4681   EL_CHAR(CHAR_BYTE_UMLAUT_O),
4682   EL_CHAR(CHAR_BYTE_UMLAUT_U),
4683
4684   EL_CHAR(CHAR_BYTE_DEGREE),
4685   EL_CHAR(CHAR_BYTE_REGISTERED),
4686   EL_CHAR(FONT_ASCII_CURSOR),
4687   EL_CHAR(FONT_ASCII_BUTTON),
4688
4689   EL_CHAR(FONT_ASCII_UP),
4690   EL_CHAR(FONT_ASCII_DOWN),
4691   EL_CHAR(' '),
4692   EL_CHAR(' ')
4693 };
4694 static int *editor_hl_chars_ptr = editor_hl_chars;
4695 static int *editor_el_chars_ptr = editor_el_chars;
4696 static int num_editor_hl_chars = ARRAY_SIZE(editor_hl_chars);
4697 static int num_editor_el_chars = ARRAY_SIZE(editor_el_chars);
4698
4699 static int editor_hl_steel_chars[] =
4700 {
4701   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
4702   EL_STEEL_CHAR('T'),
4703   EL_STEEL_CHAR('X'),
4704   EL_STEEL_CHAR('T'),
4705 };
4706
4707 static int editor_el_steel_chars[] =
4708 {
4709   EL_STEEL_CHAR(' '),
4710   EL_STEEL_CHAR('!'),
4711   EL_STEEL_CHAR('"'),
4712   EL_STEEL_CHAR('#'),
4713
4714   EL_STEEL_CHAR('$'),
4715   EL_STEEL_CHAR('%'),
4716   EL_STEEL_CHAR('&'),
4717   EL_STEEL_CHAR('\''),
4718
4719   EL_STEEL_CHAR('('),
4720   EL_STEEL_CHAR(')'),
4721   EL_STEEL_CHAR('*'),
4722   EL_STEEL_CHAR('+'),
4723
4724   EL_STEEL_CHAR(','),
4725   EL_STEEL_CHAR('-'),
4726   EL_STEEL_CHAR('.'),
4727   EL_STEEL_CHAR('/'),
4728
4729   EL_STEEL_CHAR('0'),
4730   EL_STEEL_CHAR('1'),
4731   EL_STEEL_CHAR('2'),
4732   EL_STEEL_CHAR('3'),
4733
4734   EL_STEEL_CHAR('4'),
4735   EL_STEEL_CHAR('5'),
4736   EL_STEEL_CHAR('6'),
4737   EL_STEEL_CHAR('7'),
4738
4739   EL_STEEL_CHAR('8'),
4740   EL_STEEL_CHAR('9'),
4741   EL_STEEL_CHAR(':'),
4742   EL_STEEL_CHAR(';'),
4743
4744   EL_STEEL_CHAR('<'),
4745   EL_STEEL_CHAR('='),
4746   EL_STEEL_CHAR('>'),
4747   EL_STEEL_CHAR('?'),
4748
4749   EL_STEEL_CHAR('@'),
4750   EL_STEEL_CHAR('A'),
4751   EL_STEEL_CHAR('B'),
4752   EL_STEEL_CHAR('C'),
4753
4754   EL_STEEL_CHAR('D'),
4755   EL_STEEL_CHAR('E'),
4756   EL_STEEL_CHAR('F'),
4757   EL_STEEL_CHAR('G'),
4758
4759   EL_STEEL_CHAR('H'),
4760   EL_STEEL_CHAR('I'),
4761   EL_STEEL_CHAR('J'),
4762   EL_STEEL_CHAR('K'),
4763
4764   EL_STEEL_CHAR('L'),
4765   EL_STEEL_CHAR('M'),
4766   EL_STEEL_CHAR('N'),
4767   EL_STEEL_CHAR('O'),
4768
4769   EL_STEEL_CHAR('P'),
4770   EL_STEEL_CHAR('Q'),
4771   EL_STEEL_CHAR('R'),
4772   EL_STEEL_CHAR('S'),
4773
4774   EL_STEEL_CHAR('T'),
4775   EL_STEEL_CHAR('U'),
4776   EL_STEEL_CHAR('V'),
4777   EL_STEEL_CHAR('W'),
4778
4779   EL_STEEL_CHAR('X'),
4780   EL_STEEL_CHAR('Y'),
4781   EL_STEEL_CHAR('Z'),
4782   EL_STEEL_CHAR('['),
4783
4784   EL_STEEL_CHAR('\\'),
4785   EL_STEEL_CHAR(']'),
4786   EL_STEEL_CHAR('^'),
4787   EL_STEEL_CHAR('_'),
4788
4789   EL_STEEL_CHAR(CHAR_BYTE_COPYRIGHT),
4790   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_A),
4791   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_O),
4792   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_U),
4793
4794   EL_STEEL_CHAR(CHAR_BYTE_DEGREE),
4795   EL_STEEL_CHAR(CHAR_BYTE_REGISTERED),
4796   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
4797   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
4798
4799   EL_STEEL_CHAR(FONT_ASCII_UP),
4800   EL_STEEL_CHAR(FONT_ASCII_DOWN),
4801   EL_STEEL_CHAR(' '),
4802   EL_STEEL_CHAR(' ')
4803 };
4804 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
4805 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
4806 static int num_editor_hl_steel_chars = ARRAY_SIZE(editor_hl_steel_chars);
4807 static int num_editor_el_steel_chars = ARRAY_SIZE(editor_el_steel_chars);
4808
4809 static int editor_hl_custom[] =
4810 {
4811   EL_INTERNAL_CASCADE_CE_ACTIVE,
4812   EL_CHAR('C'),
4813   EL_CHAR('E'),
4814   EL_EMPTY,
4815 };
4816
4817 static int editor_el_custom[] =
4818 {
4819   EL_CUSTOM_START + 0,
4820   EL_CUSTOM_START + 1,
4821   EL_CUSTOM_START + 2,
4822   EL_CUSTOM_START + 3,
4823
4824   EL_CUSTOM_START + 4,
4825   EL_CUSTOM_START + 5,
4826   EL_CUSTOM_START + 6,
4827   EL_CUSTOM_START + 7,
4828
4829   EL_CUSTOM_START + 8,
4830   EL_CUSTOM_START + 9,
4831   EL_CUSTOM_START + 10,
4832   EL_CUSTOM_START + 11,
4833
4834   EL_CUSTOM_START + 12,
4835   EL_CUSTOM_START + 13,
4836   EL_CUSTOM_START + 14,
4837   EL_CUSTOM_START + 15,
4838
4839   EL_CUSTOM_START + 16,
4840   EL_CUSTOM_START + 17,
4841   EL_CUSTOM_START + 18,
4842   EL_CUSTOM_START + 19,
4843
4844   EL_CUSTOM_START + 20,
4845   EL_CUSTOM_START + 21,
4846   EL_CUSTOM_START + 22,
4847   EL_CUSTOM_START + 23,
4848
4849   EL_CUSTOM_START + 24,
4850   EL_CUSTOM_START + 25,
4851   EL_CUSTOM_START + 26,
4852   EL_CUSTOM_START + 27,
4853
4854   EL_CUSTOM_START + 28,
4855   EL_CUSTOM_START + 29,
4856   EL_CUSTOM_START + 30,
4857   EL_CUSTOM_START + 31,
4858
4859   EL_CUSTOM_START + 32,
4860   EL_CUSTOM_START + 33,
4861   EL_CUSTOM_START + 34,
4862   EL_CUSTOM_START + 35,
4863
4864   EL_CUSTOM_START + 36,
4865   EL_CUSTOM_START + 37,
4866   EL_CUSTOM_START + 38,
4867   EL_CUSTOM_START + 39,
4868
4869   EL_CUSTOM_START + 40,
4870   EL_CUSTOM_START + 41,
4871   EL_CUSTOM_START + 42,
4872   EL_CUSTOM_START + 43,
4873
4874   EL_CUSTOM_START + 44,
4875   EL_CUSTOM_START + 45,
4876   EL_CUSTOM_START + 46,
4877   EL_CUSTOM_START + 47,
4878
4879   EL_CUSTOM_START + 48,
4880   EL_CUSTOM_START + 49,
4881   EL_CUSTOM_START + 50,
4882   EL_CUSTOM_START + 51,
4883
4884   EL_CUSTOM_START + 52,
4885   EL_CUSTOM_START + 53,
4886   EL_CUSTOM_START + 54,
4887   EL_CUSTOM_START + 55,
4888
4889   EL_CUSTOM_START + 56,
4890   EL_CUSTOM_START + 57,
4891   EL_CUSTOM_START + 58,
4892   EL_CUSTOM_START + 59,
4893
4894   EL_CUSTOM_START + 60,
4895   EL_CUSTOM_START + 61,
4896   EL_CUSTOM_START + 62,
4897   EL_CUSTOM_START + 63,
4898
4899   EL_CUSTOM_START + 64,
4900   EL_CUSTOM_START + 65,
4901   EL_CUSTOM_START + 66,
4902   EL_CUSTOM_START + 67,
4903
4904   EL_CUSTOM_START + 68,
4905   EL_CUSTOM_START + 69,
4906   EL_CUSTOM_START + 70,
4907   EL_CUSTOM_START + 71,
4908
4909   EL_CUSTOM_START + 72,
4910   EL_CUSTOM_START + 73,
4911   EL_CUSTOM_START + 74,
4912   EL_CUSTOM_START + 75,
4913
4914   EL_CUSTOM_START + 76,
4915   EL_CUSTOM_START + 77,
4916   EL_CUSTOM_START + 78,
4917   EL_CUSTOM_START + 79,
4918
4919   EL_CUSTOM_START + 80,
4920   EL_CUSTOM_START + 81,
4921   EL_CUSTOM_START + 82,
4922   EL_CUSTOM_START + 83,
4923
4924   EL_CUSTOM_START + 84,
4925   EL_CUSTOM_START + 85,
4926   EL_CUSTOM_START + 86,
4927   EL_CUSTOM_START + 87,
4928
4929   EL_CUSTOM_START + 88,
4930   EL_CUSTOM_START + 89,
4931   EL_CUSTOM_START + 90,
4932   EL_CUSTOM_START + 91,
4933
4934   EL_CUSTOM_START + 92,
4935   EL_CUSTOM_START + 93,
4936   EL_CUSTOM_START + 94,
4937   EL_CUSTOM_START + 95,
4938
4939   EL_CUSTOM_START + 96,
4940   EL_CUSTOM_START + 97,
4941   EL_CUSTOM_START + 98,
4942   EL_CUSTOM_START + 99,
4943
4944   EL_CUSTOM_START + 100,
4945   EL_CUSTOM_START + 101,
4946   EL_CUSTOM_START + 102,
4947   EL_CUSTOM_START + 103,
4948
4949   EL_CUSTOM_START + 104,
4950   EL_CUSTOM_START + 105,
4951   EL_CUSTOM_START + 106,
4952   EL_CUSTOM_START + 107,
4953
4954   EL_CUSTOM_START + 108,
4955   EL_CUSTOM_START + 109,
4956   EL_CUSTOM_START + 110,
4957   EL_CUSTOM_START + 111,
4958
4959   EL_CUSTOM_START + 112,
4960   EL_CUSTOM_START + 113,
4961   EL_CUSTOM_START + 114,
4962   EL_CUSTOM_START + 115,
4963
4964   EL_CUSTOM_START + 116,
4965   EL_CUSTOM_START + 117,
4966   EL_CUSTOM_START + 118,
4967   EL_CUSTOM_START + 119,
4968
4969   EL_CUSTOM_START + 120,
4970   EL_CUSTOM_START + 121,
4971   EL_CUSTOM_START + 122,
4972   EL_CUSTOM_START + 123,
4973
4974   EL_CUSTOM_START + 124,
4975   EL_CUSTOM_START + 125,
4976   EL_CUSTOM_START + 126,
4977   EL_CUSTOM_START + 127,
4978
4979   EL_CUSTOM_START + 128,
4980   EL_CUSTOM_START + 129,
4981   EL_CUSTOM_START + 130,
4982   EL_CUSTOM_START + 131,
4983
4984   EL_CUSTOM_START + 132,
4985   EL_CUSTOM_START + 133,
4986   EL_CUSTOM_START + 134,
4987   EL_CUSTOM_START + 135,
4988
4989   EL_CUSTOM_START + 136,
4990   EL_CUSTOM_START + 137,
4991   EL_CUSTOM_START + 138,
4992   EL_CUSTOM_START + 139,
4993
4994   EL_CUSTOM_START + 140,
4995   EL_CUSTOM_START + 141,
4996   EL_CUSTOM_START + 142,
4997   EL_CUSTOM_START + 143,
4998
4999   EL_CUSTOM_START + 144,
5000   EL_CUSTOM_START + 145,
5001   EL_CUSTOM_START + 146,
5002   EL_CUSTOM_START + 147,
5003
5004   EL_CUSTOM_START + 148,
5005   EL_CUSTOM_START + 149,
5006   EL_CUSTOM_START + 150,
5007   EL_CUSTOM_START + 151,
5008
5009   EL_CUSTOM_START + 152,
5010   EL_CUSTOM_START + 153,
5011   EL_CUSTOM_START + 154,
5012   EL_CUSTOM_START + 155,
5013
5014   EL_CUSTOM_START + 156,
5015   EL_CUSTOM_START + 157,
5016   EL_CUSTOM_START + 158,
5017   EL_CUSTOM_START + 159,
5018
5019   EL_CUSTOM_START + 160,
5020   EL_CUSTOM_START + 161,
5021   EL_CUSTOM_START + 162,
5022   EL_CUSTOM_START + 163,
5023
5024   EL_CUSTOM_START + 164,
5025   EL_CUSTOM_START + 165,
5026   EL_CUSTOM_START + 166,
5027   EL_CUSTOM_START + 167,
5028
5029   EL_CUSTOM_START + 168,
5030   EL_CUSTOM_START + 169,
5031   EL_CUSTOM_START + 170,
5032   EL_CUSTOM_START + 171,
5033
5034   EL_CUSTOM_START + 172,
5035   EL_CUSTOM_START + 173,
5036   EL_CUSTOM_START + 174,
5037   EL_CUSTOM_START + 175,
5038
5039   EL_CUSTOM_START + 176,
5040   EL_CUSTOM_START + 177,
5041   EL_CUSTOM_START + 178,
5042   EL_CUSTOM_START + 179,
5043
5044   EL_CUSTOM_START + 180,
5045   EL_CUSTOM_START + 181,
5046   EL_CUSTOM_START + 182,
5047   EL_CUSTOM_START + 183,
5048
5049   EL_CUSTOM_START + 184,
5050   EL_CUSTOM_START + 185,
5051   EL_CUSTOM_START + 186,
5052   EL_CUSTOM_START + 187,
5053
5054   EL_CUSTOM_START + 188,
5055   EL_CUSTOM_START + 189,
5056   EL_CUSTOM_START + 190,
5057   EL_CUSTOM_START + 191,
5058
5059   EL_CUSTOM_START + 192,
5060   EL_CUSTOM_START + 193,
5061   EL_CUSTOM_START + 194,
5062   EL_CUSTOM_START + 195,
5063
5064   EL_CUSTOM_START + 196,
5065   EL_CUSTOM_START + 197,
5066   EL_CUSTOM_START + 198,
5067   EL_CUSTOM_START + 199,
5068
5069   EL_CUSTOM_START + 200,
5070   EL_CUSTOM_START + 201,
5071   EL_CUSTOM_START + 202,
5072   EL_CUSTOM_START + 203,
5073
5074   EL_CUSTOM_START + 204,
5075   EL_CUSTOM_START + 205,
5076   EL_CUSTOM_START + 206,
5077   EL_CUSTOM_START + 207,
5078
5079   EL_CUSTOM_START + 208,
5080   EL_CUSTOM_START + 209,
5081   EL_CUSTOM_START + 210,
5082   EL_CUSTOM_START + 211,
5083
5084   EL_CUSTOM_START + 212,
5085   EL_CUSTOM_START + 213,
5086   EL_CUSTOM_START + 214,
5087   EL_CUSTOM_START + 215,
5088
5089   EL_CUSTOM_START + 216,
5090   EL_CUSTOM_START + 217,
5091   EL_CUSTOM_START + 218,
5092   EL_CUSTOM_START + 219,
5093
5094   EL_CUSTOM_START + 220,
5095   EL_CUSTOM_START + 221,
5096   EL_CUSTOM_START + 222,
5097   EL_CUSTOM_START + 223,
5098
5099   EL_CUSTOM_START + 224,
5100   EL_CUSTOM_START + 225,
5101   EL_CUSTOM_START + 226,
5102   EL_CUSTOM_START + 227,
5103
5104   EL_CUSTOM_START + 228,
5105   EL_CUSTOM_START + 229,
5106   EL_CUSTOM_START + 230,
5107   EL_CUSTOM_START + 231,
5108
5109   EL_CUSTOM_START + 232,
5110   EL_CUSTOM_START + 233,
5111   EL_CUSTOM_START + 234,
5112   EL_CUSTOM_START + 235,
5113
5114   EL_CUSTOM_START + 236,
5115   EL_CUSTOM_START + 237,
5116   EL_CUSTOM_START + 238,
5117   EL_CUSTOM_START + 239,
5118
5119   EL_CUSTOM_START + 240,
5120   EL_CUSTOM_START + 241,
5121   EL_CUSTOM_START + 242,
5122   EL_CUSTOM_START + 243,
5123
5124   EL_CUSTOM_START + 244,
5125   EL_CUSTOM_START + 245,
5126   EL_CUSTOM_START + 246,
5127   EL_CUSTOM_START + 247,
5128
5129   EL_CUSTOM_START + 248,
5130   EL_CUSTOM_START + 249,
5131   EL_CUSTOM_START + 250,
5132   EL_CUSTOM_START + 251,
5133
5134   EL_CUSTOM_START + 252,
5135   EL_CUSTOM_START + 253,
5136   EL_CUSTOM_START + 254,
5137   EL_CUSTOM_START + 255
5138 };
5139 static int *editor_hl_custom_ptr = editor_hl_custom;
5140 static int *editor_el_custom_ptr = editor_el_custom;
5141 static int num_editor_hl_custom = ARRAY_SIZE(editor_hl_custom);
5142 static int num_editor_el_custom = ARRAY_SIZE(editor_el_custom);
5143
5144 static int editor_hl_group[] =
5145 {
5146   EL_INTERNAL_CASCADE_GE_ACTIVE,
5147   EL_CHAR('G'),
5148   EL_CHAR('E'),
5149   EL_EMPTY,
5150 };
5151
5152 static int editor_el_group[] =
5153 {
5154   EL_GROUP_START + 0,
5155   EL_GROUP_START + 1,
5156   EL_GROUP_START + 2,
5157   EL_GROUP_START + 3,
5158
5159   EL_GROUP_START + 4,
5160   EL_GROUP_START + 5,
5161   EL_GROUP_START + 6,
5162   EL_GROUP_START + 7,
5163
5164   EL_GROUP_START + 8,
5165   EL_GROUP_START + 9,
5166   EL_GROUP_START + 10,
5167   EL_GROUP_START + 11,
5168
5169   EL_GROUP_START + 12,
5170   EL_GROUP_START + 13,
5171   EL_GROUP_START + 14,
5172   EL_GROUP_START + 15,
5173
5174   EL_GROUP_START + 16,
5175   EL_GROUP_START + 17,
5176   EL_GROUP_START + 18,
5177   EL_GROUP_START + 19,
5178
5179   EL_GROUP_START + 20,
5180   EL_GROUP_START + 21,
5181   EL_GROUP_START + 22,
5182   EL_GROUP_START + 23,
5183
5184   EL_GROUP_START + 24,
5185   EL_GROUP_START + 25,
5186   EL_GROUP_START + 26,
5187   EL_GROUP_START + 27,
5188
5189   EL_GROUP_START + 28,
5190   EL_GROUP_START + 29,
5191   EL_GROUP_START + 30,
5192   EL_GROUP_START + 31
5193 };
5194 static int *editor_hl_group_ptr = editor_hl_group;
5195 static int *editor_el_group_ptr = editor_el_group;
5196 static int num_editor_hl_group = ARRAY_SIZE(editor_hl_group);
5197 static int num_editor_el_group = ARRAY_SIZE(editor_el_group);
5198
5199 static int editor_hl_reference[] =
5200 {
5201   EL_INTERNAL_CASCADE_REF_ACTIVE,
5202   EL_CHAR('R'),
5203   EL_CHAR('E'),
5204   EL_CHAR('F')
5205 };
5206
5207 static int editor_el_reference[] =
5208 {
5209   EL_TRIGGER_PLAYER,
5210   EL_TRIGGER_ELEMENT,
5211   EL_TRIGGER_CE_VALUE,
5212   EL_TRIGGER_CE_SCORE,
5213
5214   EL_SELF,
5215   EL_ANY_ELEMENT,
5216   EL_CURRENT_CE_VALUE,
5217   EL_CURRENT_CE_SCORE,
5218
5219   EL_PREV_CE_8,
5220   EL_PREV_CE_7,
5221   EL_PREV_CE_6,
5222   EL_PREV_CE_5,
5223
5224   EL_PREV_CE_4,
5225   EL_PREV_CE_3,
5226   EL_PREV_CE_2,
5227   EL_PREV_CE_1,
5228
5229   EL_NEXT_CE_1,
5230   EL_NEXT_CE_2,
5231   EL_NEXT_CE_3,
5232   EL_NEXT_CE_4,
5233
5234   EL_NEXT_CE_5,
5235   EL_NEXT_CE_6,
5236   EL_NEXT_CE_7,
5237   EL_NEXT_CE_8,
5238 };
5239 static int *editor_hl_reference_ptr = editor_hl_reference;
5240 static int *editor_el_reference_ptr = editor_el_reference;
5241 static int num_editor_hl_reference = ARRAY_SIZE(editor_hl_reference);
5242 static int num_editor_el_reference = ARRAY_SIZE(editor_el_reference);
5243
5244 static int editor_hl_user_defined[] =
5245 {
5246   EL_INTERNAL_CASCADE_USER_ACTIVE,
5247   EL_CHAR('M'),
5248   EL_CHAR('Y'),
5249   EL_EMPTY,
5250 };
5251
5252 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
5253 static int *editor_el_user_defined_ptr = NULL;
5254 static int num_editor_hl_user_defined = ARRAY_SIZE(editor_hl_user_defined);
5255 static int num_editor_el_user_defined = 0;
5256
5257 static int editor_hl_dynamic[] =
5258 {
5259   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
5260   EL_CHAR('U'),
5261   EL_CHAR('S'),
5262   EL_CHAR('E'),
5263 };
5264
5265 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
5266 static int *editor_el_dynamic_ptr = NULL;
5267 static int num_editor_hl_dynamic = ARRAY_SIZE(editor_hl_dynamic);
5268 static int num_editor_el_dynamic = 0;
5269
5270 static int editor_hl_empty[] = { EL_EMPTY };
5271 static int *editor_el_empty = NULL;     // dynamically allocated
5272
5273 static int *editor_hl_empty_ptr = editor_hl_empty;
5274 static int *editor_el_empty_ptr = NULL;
5275 static int num_editor_hl_empty = 0;
5276 static int num_editor_el_empty = 0;     // dynamically determined, if needed
5277
5278 static boolean use_el_empty = FALSE;
5279
5280 static int *editor_elements = NULL;     // dynamically allocated
5281 static int num_editor_elements = 0;     // dynamically determined
5282
5283 static boolean setup_editor_cascade_never = FALSE;
5284
5285 static boolean setup_editor_el_players                  = TRUE;
5286 static boolean setup_editor_el_boulderdash              = TRUE;
5287 static boolean setup_editor_el_emerald_mine             = TRUE;
5288 static boolean setup_editor_el_emerald_mine_club        = TRUE;
5289 static boolean setup_editor_el_more                     = TRUE;
5290 static boolean setup_editor_el_sokoban                  = TRUE;
5291 static boolean setup_editor_el_supaplex                 = TRUE;
5292 static boolean setup_editor_el_diamond_caves            = TRUE;
5293 static boolean setup_editor_el_dx_boulderdash           = TRUE;
5294 static boolean setup_editor_el_mirror_magic             = TRUE;
5295 static boolean setup_editor_el_deflektor                = TRUE;
5296 static boolean setup_editor_el_chars                    = TRUE;
5297 static boolean setup_editor_el_steel_chars              = TRUE;
5298 static boolean setup_editor_el_custom                   = TRUE;
5299 static boolean setup_editor_el_user_defined             = TRUE;
5300 static boolean setup_editor_el_dynamic                  = TRUE;
5301
5302 static int editor_hl_unused[] = { EL_EMPTY };
5303 static int *editor_hl_unused_ptr = editor_hl_unused;
5304 static int num_editor_hl_unused = 0;
5305
5306 static struct
5307 {
5308   boolean *setup_value;
5309   boolean *setup_cascade_value;
5310
5311   int **headline_list;
5312   int *headline_list_size;
5313
5314   int **element_list;
5315   int *element_list_size;
5316
5317   boolean last_setup_value;
5318 }
5319 editor_elements_info[] =
5320 {
5321   {
5322     &setup_editor_el_players,
5323     &setup_editor_cascade_never,
5324     &editor_hl_unused_ptr,              &num_editor_hl_unused,
5325     &editor_el_players_ptr,             &num_editor_el_players
5326   },
5327   {
5328     &setup_editor_el_boulderdash,
5329     &setup.editor_cascade.el_bd,
5330     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
5331     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
5332   },
5333   {
5334     &setup_editor_el_emerald_mine,
5335     &setup.editor_cascade.el_em,
5336     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
5337     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
5338   },
5339   {
5340     &setup_editor_el_emerald_mine_club,
5341     &setup.editor_cascade.el_emc,
5342     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
5343     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
5344   },
5345   {
5346     &setup_editor_el_more,
5347     &setup.editor_cascade.el_rnd,
5348     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
5349     &editor_el_rnd_ptr,                 &num_editor_el_rnd
5350   },
5351   {
5352     &setup_editor_el_sokoban,
5353     &setup.editor_cascade.el_sb,
5354     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
5355     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
5356   },
5357   {
5358     &setup_editor_el_supaplex,
5359     &setup.editor_cascade.el_sp,
5360     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
5361     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
5362   },
5363   {
5364     &setup_editor_el_diamond_caves,
5365     &setup.editor_cascade.el_dc,
5366     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
5367     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
5368   },
5369   {
5370     &setup_editor_el_dx_boulderdash,
5371     &setup.editor_cascade.el_dx,
5372     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
5373     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
5374   },
5375   {
5376     &setup_editor_el_mirror_magic,
5377     &setup.editor_cascade.el_mm,
5378     &editor_hl_mirror_magic_ptr,        &num_editor_hl_mirror_magic,
5379     &editor_el_mirror_magic_ptr,        &num_editor_el_mirror_magic
5380   },
5381   {
5382     &setup_editor_el_deflektor,
5383     &setup.editor_cascade.el_df,
5384     &editor_hl_deflektor_ptr,           &num_editor_hl_deflektor,
5385     &editor_el_deflektor_ptr,           &num_editor_el_deflektor
5386   },
5387   {
5388     &setup_editor_el_chars,
5389     &setup.editor_cascade.el_chars,
5390     &editor_hl_chars_ptr,               &num_editor_hl_chars,
5391     &editor_el_chars_ptr,               &num_editor_el_chars
5392   },
5393   {
5394     &setup_editor_el_steel_chars,
5395     &setup.editor_cascade.el_steel_chars,
5396     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
5397     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
5398   },
5399   {
5400     &setup_editor_el_custom,
5401     &setup.editor_cascade.el_ce,
5402     &editor_hl_custom_ptr,              &num_editor_hl_custom,
5403     &editor_el_custom_ptr,              &num_editor_el_custom
5404   },
5405   {
5406     &setup_editor_el_custom,
5407     &setup.editor_cascade.el_ge,
5408     &editor_hl_group_ptr,               &num_editor_hl_group,
5409     &editor_el_group_ptr,               &num_editor_el_group
5410   },
5411   {
5412     &setup_editor_el_custom,
5413     &setup.editor_cascade.el_ref,
5414     &editor_hl_reference_ptr,           &num_editor_hl_reference,
5415     &editor_el_reference_ptr,           &num_editor_el_reference
5416   },
5417   {
5418     &setup_editor_el_user_defined,
5419     &setup.editor_cascade.el_user,
5420     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
5421     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
5422   },
5423   {
5424     &setup_editor_el_dynamic,
5425     &setup.editor_cascade.el_dynamic,
5426     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
5427     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
5428   },
5429   {
5430     &use_el_empty,
5431     &use_el_empty,
5432     &editor_hl_empty_ptr,               &num_editor_hl_empty,
5433     &editor_el_empty_ptr,               &num_editor_el_empty,
5434   },
5435   {
5436     NULL,
5437     NULL,
5438     NULL,                               NULL,
5439     NULL,                               NULL
5440   }
5441 };
5442
5443
5444 // ----------------------------------------------------------------------------
5445 // functions
5446 // ----------------------------------------------------------------------------
5447
5448 static int getMaxInfoTextLength(void)
5449 {
5450   return (SXSIZE / getFontWidth(INFOTEXT_FONT));
5451 }
5452
5453 static int getTextWidthForGadget(char *text)
5454 {
5455   if (text == NULL)
5456     return 0;
5457
5458   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
5459 }
5460
5461 static int getTextWidthForDrawingArea(char *text)
5462 {
5463   if (text == NULL)
5464     return 0;
5465
5466   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_TEXT_DISTANCE);
5467 }
5468
5469 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
5470 {
5471   return (gi->x + gi->width + getTextWidthForGadget(text));
5472 }
5473
5474 static char *getElementInfoText(int element)
5475 {
5476   char *info_text = NULL;
5477
5478   if (element < MAX_NUM_ELEMENTS)
5479   {
5480     if (strlen(element_info[element].description) > 0)
5481       info_text = element_info[element].description;
5482     else if (element_info[element].custom_description != NULL)
5483       info_text = element_info[element].custom_description;
5484     else if (element_info[element].editor_description != NULL)
5485       info_text = element_info[element].editor_description;
5486   }
5487
5488   if (info_text == NULL)
5489     info_text = INFOTEXT_UNKNOWN_ELEMENT;
5490
5491   return info_text;
5492 }
5493
5494 static char *getElementDescriptionFilenameExt(char *basename)
5495 {
5496   char *elements_subdir = "elements";
5497   static char *elements_subdir2 = NULL;
5498   static char *filename = NULL;
5499
5500   if (elements_subdir2 == NULL)
5501     elements_subdir2 = getPath2(DOCS_DIRECTORY, elements_subdir);
5502
5503   checked_free(filename);
5504
5505   // 1st try: look for element description in current level set directory
5506   filename = getPath3(getCurrentLevelDir(), elements_subdir2, basename);
5507   if (fileExists(filename))
5508     return filename;
5509
5510   free(filename);
5511
5512   // 2nd try: look for element description in the game's base directory
5513   filename = getPath3(options.docs_directory, elements_subdir, basename);
5514   if (fileExists(filename))
5515     return filename;
5516
5517   return NULL;
5518 }
5519
5520 static char *getElementDescriptionFilename(int element)
5521 {
5522   char basename[MAX_FILENAME_LEN];
5523   char *filename;
5524
5525   // 1st try: look for element description file for exactly this element
5526   sprintf(basename, "%s.txt", element_info[element].token_name);
5527   filename = getElementDescriptionFilenameExt(basename);
5528   if (filename != NULL)
5529     return filename;
5530
5531   // 2nd try: look for element description file for this element's class
5532   sprintf(basename, "%s.txt", element_info[element].class_name);
5533   filename = getElementDescriptionFilenameExt(basename);
5534   if (filename != NULL)
5535     return filename;
5536
5537   return NULL;
5538 }
5539
5540 static boolean suppressBorderElement(void)
5541 {
5542   return (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
5543           lev_fieldx <= MAX_ED_FIELDX &&
5544           lev_fieldy <= MAX_ED_FIELDY);
5545 }
5546
5547 static void InitDynamicEditorElementList(int **elements, int *num_elements)
5548 {
5549   boolean element_found[NUM_FILE_ELEMENTS];
5550   int i, x, y;
5551
5552   // initialize list of used elements to "not used"
5553   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5554     element_found[i] = FALSE;
5555
5556   // find all elements used in current level
5557   for (y = 0; y < lev_fieldy; y++)
5558     for (x = 0; x < lev_fieldx; x++)
5559       if (Feld[x][y] < NUM_FILE_ELEMENTS)       // should always be true
5560         element_found[Feld[x][y]] = TRUE;
5561
5562   *num_elements = 0;
5563
5564   // count number of elements used in current level
5565   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5566     if (element_found[i])
5567       (*num_elements)++;
5568
5569   // add space for up to 3 more elements for padding that may be needed
5570   *num_elements += 3;
5571
5572   // free memory for old list of elements, if needed
5573   checked_free(*elements);
5574
5575   // allocate memory for new list of elements
5576   *elements = checked_malloc(*num_elements * sizeof(int));
5577
5578   *num_elements = 0;
5579
5580   // add all elements used in current level (non-custom/group elements)
5581   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5582     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
5583       (*elements)[(*num_elements)++] = i;
5584
5585   // add all elements used in current level (custom/group elements)
5586   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5587     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
5588       (*elements)[(*num_elements)++] = i;
5589
5590   while (*num_elements % 4)     // pad with empty elements, if needed
5591     (*elements)[(*num_elements)++] = EL_EMPTY;
5592 }
5593
5594 static void ReinitializeElementList_EnableSections(void)
5595 {
5596   // default: enable all element sections
5597
5598   setup_editor_el_players               = TRUE;
5599   setup_editor_el_boulderdash           = TRUE;
5600   setup_editor_el_emerald_mine          = TRUE;
5601   setup_editor_el_emerald_mine_club     = TRUE;
5602   setup_editor_el_more                  = TRUE;
5603   setup_editor_el_sokoban               = TRUE;
5604   setup_editor_el_supaplex              = TRUE;
5605   setup_editor_el_diamond_caves         = TRUE;
5606   setup_editor_el_dx_boulderdash        = TRUE;
5607   setup_editor_el_mirror_magic          = TRUE;
5608   setup_editor_el_deflektor             = TRUE;
5609   setup_editor_el_chars                 = TRUE;
5610   setup_editor_el_steel_chars           = TRUE;
5611
5612   setup_editor_el_custom                = TRUE;
5613   setup_editor_el_user_defined          = TRUE;
5614   setup_editor_el_dynamic               = TRUE;
5615
5616   // now disable all element sections not to be displayed
5617
5618   if (!setup.editor.el_classic)
5619   {
5620     setup_editor_el_players             = FALSE;
5621     setup_editor_el_boulderdash         = FALSE;
5622     setup_editor_el_emerald_mine        = FALSE;
5623     setup_editor_el_emerald_mine_club   = FALSE;
5624     setup_editor_el_more                = FALSE;
5625     setup_editor_el_sokoban             = FALSE;
5626     setup_editor_el_supaplex            = FALSE;
5627     setup_editor_el_diamond_caves       = FALSE;
5628     setup_editor_el_dx_boulderdash      = FALSE;
5629     setup_editor_el_mirror_magic        = FALSE;
5630     setup_editor_el_deflektor           = FALSE;
5631     setup_editor_el_chars               = FALSE;
5632     setup_editor_el_steel_chars         = FALSE;
5633   }
5634
5635   if (!setup.editor.el_custom)
5636   {
5637     setup_editor_el_custom              = FALSE;
5638   }
5639
5640   if (!setup.editor.el_user_defined)
5641   {
5642     setup_editor_el_user_defined        = FALSE;
5643   }
5644
5645   if (!setup.editor.el_dynamic)
5646   {
5647     setup_editor_el_dynamic             = FALSE;
5648   }
5649
5650   if (level.game_engine_type == GAME_ENGINE_TYPE_RND)
5651   {
5652     setup_editor_el_mirror_magic        = FALSE;
5653     setup_editor_el_deflektor           = FALSE;
5654   }
5655   else if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
5656   {
5657     setup_editor_el_boulderdash         = FALSE;
5658     setup_editor_el_more                = FALSE;
5659     setup_editor_el_sokoban             = FALSE;
5660     setup_editor_el_supaplex            = FALSE;
5661     setup_editor_el_diamond_caves       = FALSE;
5662     setup_editor_el_dx_boulderdash      = FALSE;
5663     setup_editor_el_mirror_magic        = FALSE;
5664     setup_editor_el_deflektor           = FALSE;
5665     setup_editor_el_steel_chars         = FALSE;
5666
5667     setup_editor_el_custom              = FALSE;
5668   }
5669   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
5670   {
5671     setup_editor_el_players             = FALSE;
5672     setup_editor_el_boulderdash         = FALSE;
5673     setup_editor_el_emerald_mine        = FALSE;
5674     setup_editor_el_emerald_mine_club   = FALSE;
5675     setup_editor_el_more                = FALSE;
5676     setup_editor_el_sokoban             = FALSE;
5677     setup_editor_el_diamond_caves       = FALSE;
5678     setup_editor_el_dx_boulderdash      = FALSE;
5679     setup_editor_el_mirror_magic        = FALSE;
5680     setup_editor_el_deflektor           = FALSE;
5681     setup_editor_el_chars               = FALSE;
5682     setup_editor_el_steel_chars         = FALSE;
5683
5684     setup_editor_el_custom              = FALSE;
5685   }
5686   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
5687   {
5688     setup_editor_el_players             = FALSE;
5689     setup_editor_el_boulderdash         = FALSE;
5690     setup_editor_el_emerald_mine        = FALSE;
5691     setup_editor_el_emerald_mine_club   = FALSE;
5692     setup_editor_el_more                = FALSE;
5693     setup_editor_el_sokoban             = FALSE;
5694     setup_editor_el_supaplex            = FALSE;
5695     setup_editor_el_diamond_caves       = FALSE;
5696     setup_editor_el_dx_boulderdash      = FALSE;
5697     setup_editor_el_steel_chars         = FALSE;
5698
5699     setup_editor_el_custom              = FALSE;
5700   }
5701 }
5702
5703 static void ReinitializeElementList(void)
5704 {
5705   static boolean initialization_needed = TRUE;
5706   int pos = 0;
5707   int i, j;
5708
5709   ReinitializeElementList_EnableSections();
5710
5711   if (initialization_needed)
5712   {
5713     LoadSetup_EditorCascade();          // load last editor cascade state
5714
5715     // initialize editor cascade element from saved cascade state
5716     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5717     {
5718       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
5719       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
5720
5721       if (IS_EDITOR_CASCADE(*cascade_element))
5722         *cascade_element =
5723           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
5724            EL_CASCADE_INACTIVE(*cascade_element));
5725     }
5726
5727     initialization_needed = FALSE;
5728   }
5729
5730   checked_free(editor_elements);
5731
5732   // reload optional user defined element list for each invocation of editor
5733   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
5734                                    &num_editor_el_user_defined);
5735
5736   // initialize dynamic level element list for each invocation of editor
5737   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
5738                                &num_editor_el_dynamic);
5739
5740   // initialize list of empty elements (used for padding, if needed)
5741   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
5742     editor_el_empty[i] = EL_EMPTY;
5743
5744   // do some sanity checks for each element from element list
5745   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5746   {
5747     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5748     {
5749       int element = (*editor_elements_info[i].element_list)[j];
5750
5751       if (element >= NUM_FILE_ELEMENTS)
5752         Error(ERR_WARN, "editor element %d is runtime element", element);
5753
5754       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
5755         Error(ERR_WARN, "no element description text for element %d", element);
5756     }
5757   }
5758
5759   num_editor_elements = 0;
5760   use_el_empty = FALSE;
5761
5762   // determine size of element list
5763   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5764   {
5765     boolean found_inactive_cascade = FALSE;
5766
5767     if (*editor_elements_info[i].setup_value)
5768     {
5769       if (setup.editor.el_headlines)
5770       {
5771         // required for correct padding of palette headline buttons
5772         if (*editor_elements_info[i].headline_list_size > 0)
5773           num_editor_elements += ED_ELEMENTLIST_COLS;
5774
5775         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5776         {
5777           int element = (*editor_elements_info[i].headline_list)[j];
5778
5779           if (IS_EDITOR_CASCADE_INACTIVE(element))
5780             found_inactive_cascade = TRUE;
5781         }
5782       }
5783
5784       if (found_inactive_cascade)
5785         continue;
5786
5787       // required for correct padding of palette element buttons
5788       int element_list_size = *editor_elements_info[i].element_list_size;
5789       int element_rows =
5790         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
5791       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
5792
5793       num_editor_elements += element_buttons;
5794     }
5795   }
5796
5797   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
5798   {
5799     // offer at least as many elements as element buttons exist
5800     use_el_empty = TRUE;
5801     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
5802
5803     num_editor_elements += num_editor_el_empty;
5804   }
5805   else
5806   {
5807     num_editor_el_empty = 0;
5808   }
5809
5810   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
5811
5812   // fill element list
5813   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5814   {
5815     boolean found_inactive_cascade = FALSE;
5816
5817     if (*editor_elements_info[i].setup_value)
5818     {
5819       if (setup.editor.el_headlines)
5820       {
5821         // required for correct padding of palette headline buttons
5822         int headline_size = (*editor_elements_info[i].headline_list_size > 0 ?
5823                              ED_ELEMENTLIST_COLS : 0);
5824
5825         for (j = 0; j < headline_size; j++)
5826         {
5827           // use empty elements for padding of palette headline buttons
5828           int element = (j < *editor_elements_info[i].headline_list_size ?
5829                          (*editor_elements_info[i].headline_list)[j] :
5830                          editor_el_empty[0]);
5831
5832           editor_elements[pos++] = element;
5833
5834           if (IS_EDITOR_CASCADE_INACTIVE(element))
5835             found_inactive_cascade = TRUE;
5836         }
5837       }
5838
5839       if (found_inactive_cascade)
5840         continue;
5841
5842       // required for correct padding of palette element buttons
5843       int element_list_size = *editor_elements_info[i].element_list_size;
5844       int element_rows =
5845         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
5846       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
5847
5848       // copy all elements from element list
5849       for (j = 0; j < element_list_size; j++)
5850         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
5851
5852       // use empty elements for padding of palette element buttons
5853       for (j = 0; j < element_buttons - element_list_size; j++)
5854         editor_elements[pos++] = editor_el_empty[0];
5855     }
5856   }
5857
5858   // (this function is also called before editor gadgets are initialized!)
5859   AdjustElementListScrollbar();
5860 }
5861
5862 void PrintEditorElementList(void)
5863 {
5864   boolean *stop = &setup_editor_el_user_defined;
5865   int i, j;
5866
5867   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
5868   {
5869     int cascade_element = (*editor_elements_info[i].headline_list)[0];
5870
5871     if (IS_EDITOR_CASCADE(cascade_element))
5872     {
5873       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
5874       char *headline = element_info[cascade_element_show].editor_description;
5875
5876       PrintLineWithPrefix("# ", "-", 77);
5877       Print("# %s\n", headline);
5878       PrintLineWithPrefix("# ", "-", 77);
5879     }
5880
5881     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5882     {
5883       int element = (*editor_elements_info[i].headline_list)[j];
5884
5885       if (IS_EDITOR_CASCADE(element))
5886         element = EL_CHAR_MINUS;
5887
5888       Print("# %s\n", element_info[element].token_name);
5889     }
5890
5891     if (j > 0)
5892       Print("#\n");
5893
5894     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5895     {
5896       int element = (*editor_elements_info[i].element_list)[j];
5897
5898       Print("# %s\n", element_info[element].token_name);
5899     }
5900
5901     if (j > 0)
5902       Print("#\n");
5903   }
5904 }
5905
5906 static void ReinitializeElementListButtons(void)
5907 {
5908   static boolean last_setup_value_headlines = FALSE;
5909   static boolean initialization_needed = TRUE;
5910   int i;
5911
5912   if (!initialization_needed)   // check if editor element setup has changed
5913   {
5914     if (last_setup_value_headlines != setup.editor.el_headlines)
5915       initialization_needed = TRUE;
5916
5917     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5918       if (editor_elements_info[i].last_setup_value !=
5919           *editor_elements_info[i].setup_value)
5920         initialization_needed = TRUE;
5921   }
5922
5923   if (!initialization_needed)
5924     return;
5925
5926   FreeLevelEditorGadgets();
5927   CreateLevelEditorGadgets();
5928
5929   // store current setup values for next invocation of this function
5930   last_setup_value_headlines = setup.editor.el_headlines;
5931   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5932     editor_elements_info[i].last_setup_value =
5933       *editor_elements_info[i].setup_value;
5934
5935   initialization_needed = FALSE;
5936 }
5937
5938 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
5939                               boolean input)
5940 {
5941   int border_graphic =
5942     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
5943   struct GraphicInfo *g = &graphic_info[border_graphic];
5944   Bitmap *src_bitmap = g->bitmap;
5945   int src_x = g->src_x;
5946   int src_y = g->src_y;
5947   int border_size = g->border_size;
5948   int border_xpos = g->width  - border_size;
5949   int border_ypos = g->height - border_size;
5950   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
5951   int i;
5952
5953   BlitBitmap(src_bitmap, drawto, src_x, src_y,
5954              border_size, border_size,
5955              dest_x - border_size, dest_y - border_size);
5956   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y,
5957              border_size, border_size,
5958              dest_x + width, dest_y - border_size);
5959   BlitBitmap(src_bitmap, drawto, src_x, src_y + border_ypos,
5960              border_size, border_size,
5961              dest_x - border_size, dest_y + height);
5962   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_ypos,
5963              border_size, border_size,
5964              dest_x + width, dest_y + height);
5965
5966   for (i = 0; i < width / tilesize; i++)
5967   {
5968     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y,
5969                tilesize, border_size,
5970                dest_x + i * tilesize, dest_y - border_size);
5971     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y + border_ypos,
5972                tilesize, border_size,
5973                dest_x + i * tilesize, dest_y + height);
5974   }
5975
5976   for (i = 0; i < height / tilesize; i++)
5977   {
5978     BlitBitmap(src_bitmap, drawto, src_x, src_y + border_size,
5979                border_size, tilesize,
5980                dest_x - border_size, dest_y + i * tilesize);
5981     BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_size,
5982                border_size, tilesize,
5983                dest_x + width, dest_y + i * tilesize);
5984   }
5985
5986   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
5987 }
5988
5989 static void DrawEditorLevelBorderLine(int x, int y, int xsize, int ysize)
5990 {
5991   int xsize_tile = MAX(ed_tilesize, xsize);
5992   int ysize_tile = MAX(ed_tilesize, ysize);
5993   int xsize_full = xsize + 1;
5994   int ysize_full = ysize + 1;
5995   int xsize_thin = (xsize < ed_tilesize ? 1 : xsize);
5996   int ysize_thin = (ysize < ed_tilesize ? 1 : ysize);
5997   Pixel line_color = getTabulatorBarColor();
5998
5999   if (line_color == BLACK_PIXEL)                // black => transparent
6000     return;
6001
6002   FillRectangle(drawto, SX + x, SY + y, xsize_tile, ysize_tile, BLACK_PIXEL);
6003   FillRectangle(drawto, SX + x, SY + y, xsize_full, ysize_full, line_color);
6004   FillRectangle(drawto, SX + x, SY + y, xsize_thin, ysize_thin, BLACK_PIXEL);
6005 }
6006
6007 static void DrawEditorLevelBorderLinesIfNeeded(void)
6008 {
6009   int xsize = lev_fieldx * ed_tilesize;
6010   int ysize = lev_fieldy * ed_tilesize;
6011   int line_size = getTabulatorBarHeight();
6012
6013   if (!suppressBorderElement())
6014     return;
6015
6016   // draw little border line around editable level playfield
6017
6018   if (xsize < SXSIZE)
6019     DrawEditorLevelBorderLine(xsize, 0, line_size, ysize);
6020
6021   if (ysize < SYSIZE)
6022     DrawEditorLevelBorderLine(0, ysize, xsize, line_size);
6023
6024   if (xsize < SXSIZE && ysize < SYSIZE)
6025     DrawEditorLevelBorderLine(xsize, ysize, line_size, line_size);
6026 }
6027
6028 static void DrawEditorElement(int x, int y, int element)
6029 {
6030   DrawSizedElement(x, y, element, ed_tilesize);
6031 }
6032
6033 static void DrawEditorElementThruMask(int x, int y, int element)
6034 {
6035   DrawSizedElementThruMask(x, y, element, ed_tilesize);
6036 }
6037
6038 static void DrawEditorElementOrWall(int x, int y, int scroll_x, int scroll_y)
6039 {
6040   DrawSizedElementOrWall(x, y, scroll_x, scroll_y, ed_tilesize);
6041 }
6042
6043 static void DrawEditorLevel(int size_x, int size_y, int scroll_x, int scroll_y)
6044 {
6045   DrawSizedLevel(size_x, size_y, scroll_x, scroll_y, ed_tilesize);
6046   DrawEditorLevelBorderLinesIfNeeded();
6047 }
6048
6049 static void DrawDrawingArea(int id)
6050 {
6051   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
6052   int x, y;
6053
6054   int *value = drawingarea_info[id].value;
6055   int area_xsize = drawingarea_info[id].area_xsize;
6056   int area_ysize = drawingarea_info[id].area_ysize;
6057   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
6058
6059   for (x = 0; x < area_xsize; x++)
6060     for (y = 0; y < area_ysize; y++)
6061       DrawSizedGraphicExt(drawto,
6062                           gi->x + x * tilesize,
6063                           gi->y + y * tilesize,
6064                           el2edimg(value[x * area_ysize + y]), 0, tilesize);
6065 }
6066
6067 static void ScrollEditorLevel(int from_x, int from_y, int scroll)
6068 {
6069   int x, y;
6070   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
6071   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
6072
6073   BlitBitmap(drawto, drawto,
6074              SX + (dx == -1 ? ed_tilesize : 0),
6075              SY + (dy == -1 ? ed_tilesize : 0),
6076              (ed_fieldx * ed_tilesize) - (dx != 0 ? ed_tilesize : 0),
6077              (ed_fieldy * ed_tilesize) - (dy != 0 ? ed_tilesize : 0),
6078              SX + (dx == +1 ? ed_tilesize : 0),
6079              SY + (dy == +1 ? ed_tilesize : 0));
6080
6081   if (dx)
6082   {
6083     x = (dx == 1 ? 0 : ed_fieldx - 1);
6084     for (y = 0; y < ed_fieldy; y++)
6085       DrawEditorElementOrWall(x, y, from_x, from_y);
6086   }
6087   else if (dy)
6088   {
6089     y = (dy == 1 ? 0 : ed_fieldy - 1);
6090     for (x = 0; x < ed_fieldx; x++)
6091       DrawEditorElementOrWall(x, y, from_x, from_y);
6092   }
6093
6094   redraw_mask |= REDRAW_FIELD;
6095   BackToFront();
6096 }
6097
6098 static void getEditorGraphicSource(int element, int tile_size, Bitmap **bitmap,
6099                                    int *x, int *y)
6100 {
6101   getSizedGraphicSource(el2edimg(element), 0, tile_size, bitmap, x, y);
6102 }
6103
6104 static void CreateControlButtons(void)
6105 {
6106   struct GadgetInfo *gi;
6107   int i;
6108
6109   // create toolbox buttons
6110   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
6111   {
6112     int id = controlbutton_info[i].gadget_id;
6113     int type = controlbutton_info[i].gadget_type;
6114     int graphic = controlbutton_info[i].graphic;
6115     struct XYTileSize *pos = controlbutton_info[i].pos;
6116     struct GraphicInfo *gd = &graphic_info[graphic];
6117     Bitmap *deco_bitmap = NULL;
6118     int deco_x = 0, deco_y = 0, deco_xpos = 0, deco_ypos = 0;
6119     int tile_size = 0, deco_shift = 0;
6120     boolean deco_masked = FALSE;
6121     int gd_x1 = gd->src_x;
6122     int gd_y1 = gd->src_y;
6123     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6124     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6125     int gd_x1a = gd->src_x + gd->active_xoffset;
6126     int gd_y1a = gd->src_y + gd->active_yoffset;
6127     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
6128     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
6129     int x = pos->x;
6130     int y = pos->y;
6131     unsigned int event_mask;
6132     int radio_button_nr = RADIO_NR_NONE;
6133     boolean checked = FALSE;
6134
6135     if (type == GD_TYPE_RADIO_BUTTON)
6136     {
6137       event_mask = GD_EVENT_PRESSED;
6138       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
6139
6140       if (id == drawing_function)
6141         checked = TRUE;
6142     }
6143     else
6144     {
6145       if (id == GADGET_ID_WRAP_LEFT ||
6146           id == GADGET_ID_WRAP_RIGHT ||
6147           id == GADGET_ID_WRAP_UP ||
6148           id == GADGET_ID_WRAP_DOWN)
6149         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6150       else
6151         event_mask = GD_EVENT_RELEASED;
6152     }
6153
6154     if (id == GADGET_ID_PROPERTIES ||
6155         id == GADGET_ID_PALETTE)
6156     {
6157       x += DX;
6158       y += DY;
6159     }
6160     else if (id == GADGET_ID_ELEMENT_LEFT ||
6161              id == GADGET_ID_ELEMENT_MIDDLE ||
6162              id == GADGET_ID_ELEMENT_RIGHT)
6163     {
6164       x += DX;
6165       y += DY;
6166
6167       int element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
6168                      id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
6169                      id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 : EL_EMPTY);
6170
6171       tile_size = BUTTON_TILE_SIZE(id == GADGET_ID_ELEMENT_LEFT ?
6172                                    editor.button.element_left.tile_size :
6173                                    id == GADGET_ID_ELEMENT_MIDDLE ?
6174                                    editor.button.element_middle.tile_size :
6175                                    id == GADGET_ID_ELEMENT_RIGHT ?
6176                                    editor.button.element_right.tile_size : 0);
6177
6178       // make sure that decoration does not overlap gadget border
6179       tile_size = MIN(tile_size, MIN(gd->width, gd->height));
6180
6181       getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x,&deco_y);
6182
6183       deco_xpos = (gd->width  - tile_size) / 2;
6184       deco_ypos = (gd->height - tile_size) / 2;
6185       deco_shift = 1;
6186       deco_masked = gd->draw_masked;
6187     }
6188     else
6189     {
6190       x += EX;
6191       y += EY;
6192     }
6193
6194     gi = CreateGadget(GDI_CUSTOM_ID, id,
6195                       GDI_CUSTOM_TYPE_ID, i,
6196                       GDI_IMAGE_ID, graphic,
6197                       GDI_INFO_TEXT, controlbutton_info[i].infotext,
6198                       GDI_X, x,
6199                       GDI_Y, y,
6200                       GDI_WIDTH, gd->width,
6201                       GDI_HEIGHT, gd->height,
6202                       GDI_TYPE, type,
6203                       GDI_STATE, GD_BUTTON_UNPRESSED,
6204                       GDI_RADIO_NR, radio_button_nr,
6205                       GDI_CHECKED, checked,
6206                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6207                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6208                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6209                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
6210                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
6211                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
6212                       GDI_DECORATION_SIZE, tile_size, tile_size,
6213                       GDI_DECORATION_SHIFTING, deco_shift, deco_shift,
6214                       GDI_DECORATION_MASKED, deco_masked,
6215                       GDI_EVENT_MASK, event_mask,
6216                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6217                       GDI_CALLBACK_ACTION, HandleControlButtons,
6218                       GDI_END);
6219
6220     if (gi == NULL)
6221       Error(ERR_EXIT, "cannot create gadget");
6222
6223     level_editor_gadget[id] = gi;
6224   }
6225
6226   // these values are not constant, but can change at runtime
6227   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
6228   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
6229   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
6230   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
6231   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
6232   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
6233   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
6234   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
6235   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].x    = ED_SCROLL2_UP_XPOS;
6236   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].y    = ED_SCROLL2_UP_YPOS;
6237   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].x  = ED_SCROLL2_DOWN_XPOS;
6238   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].y  = ED_SCROLL2_DOWN_YPOS;
6239
6240   // create buttons for scrolling of drawing area and element list
6241   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
6242   {
6243     int id = scrollbutton_info[i].gadget_id;
6244     int graphic = scrollbutton_info[i].graphic;
6245     struct GraphicInfo *gd = &graphic_info[graphic];
6246     Bitmap *gd_bitmap = gd->bitmap;
6247     int gd_x1 = gd->src_x;
6248     int gd_y1 = gd->src_y;
6249     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6250     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6251     int width  = gd->width;
6252     int height = gd->height;
6253     int x = scrollbutton_pos[i].x;
6254     int y = scrollbutton_pos[i].y;
6255     unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6256
6257     if (id == GADGET_ID_SCROLL_LIST_UP ||
6258         id == GADGET_ID_SCROLL_LIST_DOWN)
6259     {
6260       x += PX;
6261       y += PY;
6262     }
6263     else
6264     {
6265       x += SX;
6266       y += SY;
6267     }
6268
6269     gi = CreateGadget(GDI_CUSTOM_ID, id,
6270                       GDI_CUSTOM_TYPE_ID, i,
6271                       GDI_IMAGE_ID, graphic,
6272                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
6273                       GDI_X, x,
6274                       GDI_Y, y,
6275                       GDI_WIDTH, width,
6276                       GDI_HEIGHT, height,
6277                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6278                       GDI_STATE, GD_BUTTON_UNPRESSED,
6279                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6280                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6281                       GDI_EVENT_MASK, event_mask,
6282                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6283                       GDI_CALLBACK_ACTION, HandleControlButtons,
6284                       GDI_END);
6285
6286     if (gi == NULL)
6287       Error(ERR_EXIT, "cannot create gadget");
6288
6289     level_editor_gadget[id] = gi;
6290   }
6291
6292   // create buttons for element list
6293   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
6294   {
6295     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
6296     int graphic = IMG_EDITOR_PALETTE_BUTTON;
6297     struct GraphicInfo *gd = &graphic_info[graphic];
6298     Bitmap *gd_bitmap = gd->bitmap;
6299     Bitmap *deco_bitmap;
6300     int deco_x, deco_y, deco_xpos, deco_ypos;
6301     int gd_x1 = gd->src_x;
6302     int gd_y1 = gd->src_y;
6303     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6304     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6305     int xx = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
6306     int yy = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
6307     int x = PX + ED_ELEMENTLIST_XPOS + xx * gd->width;
6308     int y = PY + ED_ELEMENTLIST_YPOS + yy * gd->height;
6309     int element = editor_elements[i];
6310     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
6311     unsigned int event_mask = GD_EVENT_RELEASED;
6312
6313     getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
6314
6315     deco_xpos = (gd->width  - tile_size) / 2;
6316     deco_ypos = (gd->height - tile_size) / 2;
6317
6318     gi = CreateGadget(GDI_CUSTOM_ID, id,
6319                       GDI_CUSTOM_TYPE_ID, i,
6320                       GDI_IMAGE_ID, graphic,
6321                       GDI_INFO_TEXT, getElementInfoText(element),
6322                       GDI_X, x,
6323                       GDI_Y, y,
6324                       GDI_WIDTH, gd->width,
6325                       GDI_HEIGHT, gd->height,
6326                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6327                       GDI_STATE, GD_BUTTON_UNPRESSED,
6328                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6329                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6330                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
6331                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
6332                       GDI_DECORATION_SIZE, tile_size, tile_size,
6333                       GDI_DECORATION_SHIFTING, 1, 1,
6334                       GDI_EVENT_MASK, event_mask,
6335                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6336                       GDI_CALLBACK_ACTION, HandleControlButtons,
6337                       GDI_END);
6338
6339     if (gi == NULL)
6340       Error(ERR_EXIT, "cannot create gadget");
6341
6342     level_editor_gadget[id] = gi;
6343   }
6344 }
6345
6346 static void CreateCounterButtons(void)
6347 {
6348   int max_infotext_len = getMaxInfoTextLength();
6349   int i;
6350
6351   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
6352   {
6353     int j;
6354     int x = SX + ED_SETTINGS_X(counterbutton_info[i].x); // down count button
6355     int y = SY + ED_SETTINGS_Y(counterbutton_info[i].y);
6356
6357     // determine horizontal position to the right of specified gadget
6358     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6359       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
6360            ED_GADGET_TEXT_DISTANCE);
6361
6362     // determine horizontal offset for leading text
6363     if (counterbutton_info[i].text_left != NULL)
6364       x += getTextWidthForGadget(counterbutton_info[i].text_left);
6365
6366     for (j = 0; j < 2; j++)
6367     {
6368       struct GadgetInfo *gi;
6369       int id = (j == 0 ?
6370                 counterbutton_info[i].gadget_id_down :
6371                 counterbutton_info[i].gadget_id_up);
6372       int graphic;
6373       struct GraphicInfo *gd;
6374       int gd_x1, gd_x2, gd_y1, gd_y2;
6375       unsigned int event_mask;
6376       char infotext[max_infotext_len + 1];
6377
6378       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6379
6380       if (i == ED_COUNTER_ID_SELECT_LEVEL)
6381       {
6382         graphic = (j == 0 ?
6383                    IMG_GFX_EDITOR_BUTTON_PREV_LEVEL :
6384                    IMG_GFX_EDITOR_BUTTON_NEXT_LEVEL);
6385
6386         event_mask |= GD_EVENT_RELEASED;
6387
6388         if (j == 0)
6389         {
6390           x = DX + editor.button.prev_level.x;
6391           y = DY + editor.button.prev_level.y;
6392         }
6393         else
6394         {
6395           x = DX + editor.button.next_level.x;
6396           y = DY + editor.button.next_level.y;
6397         }
6398       }
6399       else
6400       {
6401         graphic = (j == 0 ?
6402                    IMG_EDITOR_COUNTER_DOWN :
6403                    IMG_EDITOR_COUNTER_UP);
6404       }
6405
6406       gd = &graphic_info[graphic];
6407
6408       gd_x1 = gd->src_x;
6409       gd_y1 = gd->src_y;
6410       gd_x2 = gd->src_x + gd->pressed_xoffset;
6411       gd_y2 = gd->src_y + gd->pressed_yoffset;
6412
6413       sprintf(infotext, "%s counter value by 1, 5 or 10",
6414               (j == 0 ? "decrease" : "increase"));
6415
6416       gi = CreateGadget(GDI_CUSTOM_ID, id,
6417                         GDI_CUSTOM_TYPE_ID, i,
6418                         GDI_IMAGE_ID, graphic,
6419                         GDI_INFO_TEXT, infotext,
6420                         GDI_X, x,
6421                         GDI_Y, y,
6422                         GDI_WIDTH, gd->width,
6423                         GDI_HEIGHT, gd->height,
6424                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6425                         GDI_STATE, GD_BUTTON_UNPRESSED,
6426                         GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6427                         GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6428                         GDI_EVENT_MASK, event_mask,
6429                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6430                         GDI_CALLBACK_ACTION, HandleCounterButtons,
6431                         GDI_END);
6432
6433       if (gi == NULL)
6434         Error(ERR_EXIT, "cannot create gadget");
6435
6436       level_editor_gadget[id] = gi;
6437       right_gadget_border[id] =
6438         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
6439
6440       x += gi->width + ED_GADGET_SMALL_DISTANCE;        // text count button
6441
6442       if (j == 0)
6443       {
6444         int font_type = FONT_INPUT_1;
6445         int font_type_active = FONT_INPUT_1_ACTIVE;
6446
6447         id = counterbutton_info[i].gadget_id_text;
6448
6449         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6450
6451         if (i == ED_COUNTER_ID_SELECT_LEVEL)
6452         {
6453           graphic = IMG_GFX_EDITOR_INPUT_LEVEL_NUMBER;
6454
6455           font_type = FONT_LEVEL_NUMBER;
6456           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
6457
6458           x = DX + editor.input.level_number.x;
6459           y = DY + editor.input.level_number.y;
6460         }
6461         else
6462         {
6463           graphic = IMG_EDITOR_COUNTER_INPUT;
6464         }
6465
6466         gd = &graphic_info[graphic];
6467
6468         gd_x1 = gd->src_x;
6469         gd_y1 = gd->src_y;
6470         gd_x2 = gd->src_x + gd->active_xoffset;
6471         gd_y2 = gd->src_y + gd->active_yoffset;
6472
6473         gi = CreateGadget(GDI_CUSTOM_ID, id,
6474                           GDI_CUSTOM_TYPE_ID, i,
6475                           GDI_IMAGE_ID, graphic,
6476                           GDI_INFO_TEXT, "enter counter value",
6477                           GDI_X, x,
6478                           GDI_Y, y,
6479                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
6480                           GDI_NUMBER_VALUE, 0,
6481                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
6482                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
6483                           GDI_TEXT_SIZE, 3,     // minimal counter text size
6484                           GDI_TEXT_FONT, font_type,
6485                           GDI_TEXT_FONT_ACTIVE, font_type_active,
6486                           GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6487                           GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6488                           GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6489                           GDI_DESIGN_WIDTH, gd->width,
6490                           GDI_EVENT_MASK, event_mask,
6491                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6492                           GDI_CALLBACK_ACTION, HandleCounterButtons,
6493                           GDI_END);
6494
6495         if (gi == NULL)
6496           Error(ERR_EXIT, "cannot create gadget");
6497
6498         level_editor_gadget[id] = gi;
6499         right_gadget_border[id] =
6500           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
6501
6502         x += gi->width + ED_GADGET_SMALL_DISTANCE;      // up count button
6503       }
6504     }
6505   }
6506 }
6507
6508 static void CreateDrawingAreas(void)
6509 {
6510   int i;
6511
6512   // these values are not constant, but can change at runtime
6513   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
6514   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
6515
6516   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
6517   {
6518     struct GadgetInfo *gi;
6519     unsigned int event_mask;
6520     int id = drawingarea_info[i].gadget_id;
6521     int x = SX + ED_AREA_SETTINGS_X(drawingarea_info[i]);
6522     int y = SY + ED_AREA_SETTINGS_Y(drawingarea_info[i]);
6523     int area_xsize = drawingarea_info[i].area_xsize;
6524     int area_ysize = drawingarea_info[i].area_ysize;
6525     int item_size = (id == GADGET_ID_DRAWING_LEVEL ?
6526                      ed_tilesize : ED_DRAWINGAREA_TILE_SIZE);
6527
6528     event_mask =
6529       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
6530       GD_EVENT_OFF_BORDERS | GD_EVENT_PIXEL_PRECISE;
6531
6532     // determine horizontal position to the right of specified gadget
6533     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
6534       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
6535            ED_DRAWINGAREA_TEXT_DISTANCE);
6536
6537     // determine horizontal offset for leading text
6538     if (drawingarea_info[i].text_left != NULL)
6539       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
6540
6541     gi = CreateGadget(GDI_CUSTOM_ID, id,
6542                       GDI_CUSTOM_TYPE_ID, i,
6543                       GDI_X, x,
6544                       GDI_Y, y,
6545                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
6546                       GDI_AREA_SIZE, area_xsize, area_ysize,
6547                       GDI_ITEM_SIZE, item_size, item_size,
6548                       GDI_EVENT_MASK, event_mask,
6549                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
6550                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
6551                       GDI_END);
6552
6553     if (gi == NULL)
6554       Error(ERR_EXIT, "cannot create gadget");
6555
6556     level_editor_gadget[id] = gi;
6557     right_gadget_border[id] =
6558       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
6559   }
6560 }
6561
6562 static void CreateTextInputGadgets(void)
6563 {
6564   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
6565   int max_infotext_len = getMaxInfoTextLength();
6566   int i;
6567
6568   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
6569   {
6570     int gd_x1 = gd->src_x;
6571     int gd_y1 = gd->src_y;
6572     int gd_x2 = gd->src_x + gd->active_xoffset;
6573     int gd_y2 = gd->src_y + gd->active_yoffset;
6574     struct GadgetInfo *gi;
6575     unsigned int event_mask;
6576     char infotext[MAX_OUTPUT_LINESIZE + 1];
6577     int id = textinput_info[i].gadget_id;
6578     int x, y;
6579
6580     if (i == ED_TEXTINPUT_ID_ELEMENT_NAME)
6581     {
6582       int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
6583       int border_size = gd->border_size;
6584       int font_nr = FONT_INPUT_1;
6585       int font_height = getFontHeight(font_nr);
6586       int xoffset = element_border + TILEX + element_border + 3 * border_size;
6587       int yoffset = element_border + (TILEY - font_height) / 2;
6588
6589       x = (editor.settings.element_name.x != -1 ?
6590            editor.settings.element_name.x :
6591            editor.settings.element_graphic.x + xoffset) - border_size;
6592       y = (editor.settings.element_name.y != -1 ?
6593            editor.settings.element_name.y :
6594            editor.settings.element_graphic.y + yoffset) - border_size;
6595     }
6596     else
6597     {
6598       x = ED_SETTINGS_X(textinput_info[i].x);
6599       y = ED_SETTINGS_Y(textinput_info[i].y);
6600     }
6601
6602     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6603
6604     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
6605     infotext[max_infotext_len] = '\0';
6606
6607     gi = CreateGadget(GDI_CUSTOM_ID, id,
6608                       GDI_CUSTOM_TYPE_ID, i,
6609                       GDI_INFO_TEXT, infotext,
6610                       GDI_X, SX + x,
6611                       GDI_Y, SY + y,
6612                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
6613                       GDI_TEXT_VALUE, textinput_info[i].value,
6614                       GDI_TEXT_SIZE, textinput_info[i].size,
6615                       GDI_TEXT_FONT, FONT_INPUT_1,
6616                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6617                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6618                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6619                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6620                       GDI_DESIGN_WIDTH, gd->width,
6621                       GDI_EVENT_MASK, event_mask,
6622                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6623                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
6624                       GDI_END);
6625
6626     if (gi == NULL)
6627       Error(ERR_EXIT, "cannot create gadget");
6628
6629     level_editor_gadget[id] = gi;
6630   }
6631 }
6632
6633 static void CreateTextAreaGadgets(void)
6634 {
6635   int max_infotext_len = getMaxInfoTextLength();
6636   int i;
6637
6638   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
6639   {
6640     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXTAREA];
6641     int gd_x1 = gd->src_x;
6642     int gd_y1 = gd->src_y;
6643     int gd_x2 = gd->src_x + gd->active_xoffset;
6644     int gd_y2 = gd->src_y + gd->active_yoffset;
6645     struct GadgetInfo *gi;
6646     unsigned int event_mask;
6647     char infotext[MAX_OUTPUT_LINESIZE + 1];
6648     int id = textarea_info[i].gadget_id;
6649     int area_xsize = textarea_info[i].xsize;
6650     int area_ysize = textarea_info[i].ysize;
6651
6652     event_mask = GD_EVENT_TEXT_LEAVING;
6653
6654     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
6655     infotext[max_infotext_len] = '\0';
6656
6657     gi = CreateGadget(GDI_CUSTOM_ID, id,
6658                       GDI_CUSTOM_TYPE_ID, i,
6659                       GDI_INFO_TEXT, infotext,
6660                       GDI_X, SX + ED_SETTINGS_X(textarea_info[i].x),
6661                       GDI_Y, SY + ED_SETTINGS_Y(textarea_info[i].y),
6662                       GDI_TYPE, GD_TYPE_TEXT_AREA,
6663                       GDI_AREA_SIZE, area_xsize, area_ysize,
6664                       GDI_TEXT_FONT, FONT_INPUT_1,
6665                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6666                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6667                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6668                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6669                       GDI_DESIGN_WIDTH, gd->width,
6670                       GDI_EVENT_MASK, event_mask,
6671                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6672                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
6673                       GDI_END);
6674
6675     if (gi == NULL)
6676       Error(ERR_EXIT, "cannot create gadget");
6677
6678     level_editor_gadget[id] = gi;
6679   }
6680 }
6681
6682 static void CreateSelectboxGadgets(void)
6683 {
6684   int max_infotext_len = getMaxInfoTextLength();
6685   int i, j;
6686
6687   for (i = 0; i < ED_NUM_SELECTBOX; i++)
6688   {
6689     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_SELECTBOX_INPUT];
6690     struct GraphicInfo *gd2 = &graphic_info[IMG_EDITOR_SELECTBOX_BUTTON];
6691     int gd_x1 = gd->src_x;
6692     int gd_y1 = gd->src_y;
6693     int gd_x2 = gd->src_x + gd->active_xoffset;
6694     int gd_y2 = gd->src_y + gd->active_yoffset;
6695     int selectbox_button_xsize = gd2->width;
6696     struct GadgetInfo *gi;
6697     unsigned int event_mask;
6698     char infotext[MAX_OUTPUT_LINESIZE + 1];
6699     int id = selectbox_info[i].gadget_id;
6700     int x = SX + ED_SETTINGS_X(selectbox_info[i].x);
6701     int y = SY + ED_SETTINGS_Y(selectbox_info[i].y);
6702
6703     if (selectbox_info[i].size == -1)   // dynamically determine size
6704     {
6705       // (we cannot use -1 for uninitialized values if we directly compare
6706       // with results from strlen(), because the '<' and '>' operation will
6707       // implicitely cast -1 to an unsigned integer value!)
6708       selectbox_info[i].size = 0;
6709
6710       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
6711         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
6712           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
6713
6714       selectbox_info[i].size++;         // add one character empty space
6715     }
6716
6717     event_mask = GD_EVENT_RELEASED |
6718       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6719
6720     // determine horizontal position to the right of specified gadget
6721     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
6722       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
6723            ED_GADGET_TEXT_DISTANCE);
6724
6725     // determine horizontal offset for leading text
6726     if (selectbox_info[i].text_left != NULL)
6727       x += getTextWidthForGadget(selectbox_info[i].text_left);
6728
6729     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
6730     infotext[max_infotext_len] = '\0';
6731
6732     gi = CreateGadget(GDI_CUSTOM_ID, id,
6733                       GDI_CUSTOM_TYPE_ID, i,
6734                       GDI_INFO_TEXT, infotext,
6735                       GDI_X, x,
6736                       GDI_Y, y,
6737                       GDI_TYPE, GD_TYPE_SELECTBOX,
6738                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
6739                       GDI_SELECTBOX_CHAR_UNSELECTABLE, '[',
6740                       GDI_TEXT_SIZE, selectbox_info[i].size,
6741                       GDI_TEXT_FONT, FONT_INPUT_1,
6742                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6743                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
6744                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6745                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6746                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6747                       GDI_BORDER_SIZE_SELECTBUTTON, selectbox_button_xsize,
6748                       GDI_DESIGN_WIDTH, gd->width,
6749                       GDI_EVENT_MASK, event_mask,
6750                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6751                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
6752                       GDI_END);
6753
6754     if (gi == NULL)
6755       Error(ERR_EXIT, "cannot create gadget");
6756
6757     level_editor_gadget[id] = gi;
6758     right_gadget_border[id] =
6759       getRightGadgetBorder(gi, selectbox_info[i].text_right);
6760   }
6761 }
6762
6763 static void CreateTextbuttonGadgets(void)
6764 {
6765   int max_infotext_len = getMaxInfoTextLength();
6766   int i;
6767
6768   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
6769   {
6770     int id = textbutton_info[i].gadget_id;
6771     int is_tab_button =
6772       ((id >= GADGET_ID_LEVELINFO_LEVEL && id <= GADGET_ID_LEVELINFO_EDITOR) ||
6773        (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE));
6774     int graphic =
6775       (is_tab_button ? IMG_EDITOR_TABBUTTON : IMG_EDITOR_TEXTBUTTON);
6776     int gadget_distance =
6777       (is_tab_button ? ED_GADGET_SMALL_DISTANCE : ED_GADGET_TEXT_DISTANCE);
6778     struct GraphicInfo *gd = &graphic_info[graphic];
6779     int gd_x1 = gd->src_x;
6780     int gd_y1 = gd->src_y;
6781     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6782     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6783     int gd_x1a = gd->src_x + gd->active_xoffset;
6784     int gd_y1a = gd->src_y + gd->active_yoffset;
6785     int border_xsize = gd->border_size + gd->draw_xoffset;
6786     int border_ysize = gd->border_size;
6787     struct GadgetInfo *gi;
6788     unsigned int event_mask;
6789     char infotext[MAX_OUTPUT_LINESIZE + 1];
6790     int x = SX + ED_SETTINGS_X(textbutton_info[i].x);
6791     int y = SY + ED_SETTINGS_Y(textbutton_info[i].y);
6792
6793     if (textbutton_info[i].size == -1)  // dynamically determine size
6794       textbutton_info[i].size = strlen(textbutton_info[i].text);
6795
6796     event_mask = GD_EVENT_RELEASED;
6797
6798     sprintf(infotext, "%s", textbutton_info[i].infotext);
6799     infotext[max_infotext_len] = '\0';
6800
6801     // determine horizontal position to the right of specified gadget
6802     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6803     {
6804       int gadget_id_align = textbutton_info[i].gadget_id_align;
6805
6806       x = right_gadget_border[gadget_id_align] + gadget_distance;
6807
6808       if (textbutton_info[i].y == -1)
6809         y = level_editor_gadget[gadget_id_align]->y;
6810     }
6811
6812     // determine horizontal offset for leading text
6813     if (textbutton_info[i].text_left != NULL)
6814       x += getTextWidthForGadget(textbutton_info[i].text_left);
6815
6816     gi = CreateGadget(GDI_CUSTOM_ID, id,
6817                       GDI_CUSTOM_TYPE_ID, i,
6818                       GDI_IMAGE_ID, graphic,
6819                       GDI_INFO_TEXT, infotext,
6820                       GDI_X, x,
6821                       GDI_Y, y,
6822                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
6823                       GDI_TEXT_VALUE, textbutton_info[i].text,
6824                       GDI_TEXT_SIZE, textbutton_info[i].size,
6825                       GDI_TEXT_FONT, FONT_INPUT_2,
6826                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2_ACTIVE,
6827                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6828                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6829                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6830                       GDI_BORDER_SIZE, border_xsize, border_ysize,
6831                       GDI_DESIGN_WIDTH, gd->width,
6832                       GDI_DECORATION_SHIFTING, 1, 1,
6833                       GDI_EVENT_MASK, event_mask,
6834                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6835                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
6836                       GDI_END);
6837
6838     if (gi == NULL)
6839       Error(ERR_EXIT, "cannot create gadget");
6840
6841     level_editor_gadget[id] = gi;
6842     right_gadget_border[id] =
6843       getRightGadgetBorder(gi, textbutton_info[i].text_right);
6844   }
6845 }
6846
6847 static void CreateGraphicbuttonGadgets(void)
6848 {
6849   struct GadgetInfo *gi;
6850   unsigned int event_mask;
6851   int i;
6852
6853   // create buttons for scrolling of drawing area and element list
6854   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
6855   {
6856     int id = graphicbutton_info[i].gadget_id;
6857     int x = SX + ED_SETTINGS_X(graphicbutton_info[i].x);
6858     int y = SY + ED_SETTINGS_Y(graphicbutton_info[i].y);
6859     int graphic = graphicbutton_info[i].graphic;
6860     struct GraphicInfo *gd = &graphic_info[graphic];
6861     int gd_x1 = gd->src_x;
6862     int gd_y1 = gd->src_y;
6863     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6864     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6865
6866     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6867
6868     // determine horizontal position to the right of specified gadget
6869     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6870       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
6871            ED_GADGET_TEXT_DISTANCE);
6872
6873     // determine horizontal offset for leading text
6874     if (graphicbutton_info[i].text_left != NULL)
6875       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
6876
6877     gi = CreateGadget(GDI_CUSTOM_ID, id,
6878                       GDI_CUSTOM_TYPE_ID, i,
6879                       GDI_IMAGE_ID, graphic,
6880                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
6881                       GDI_X, x,
6882                       GDI_Y, y,
6883                       GDI_WIDTH, gd->width,
6884                       GDI_HEIGHT, gd->height,
6885                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6886                       GDI_STATE, GD_BUTTON_UNPRESSED,
6887                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6888                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6889                       GDI_EVENT_MASK, event_mask,
6890                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6891                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
6892                       GDI_END);
6893
6894     if (gi == NULL)
6895       Error(ERR_EXIT, "cannot create gadget");
6896
6897     level_editor_gadget[id] = gi;
6898     right_gadget_border[id] =
6899       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
6900   }
6901 }
6902
6903 static void CreateScrollbarGadgets(void)
6904 {
6905   int i;
6906
6907   // these values are not constant, but can change at runtime
6908   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
6909     SX + ED_SCROLL_HORIZONTAL_XPOS;
6910   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
6911     SY + ED_SCROLL_HORIZONTAL_YPOS;
6912   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
6913     ED_SCROLL_HORIZONTAL_XSIZE;
6914   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
6915     ED_SCROLL_HORIZONTAL_YSIZE;
6916   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
6917   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
6918   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
6919   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
6920
6921   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
6922     SX + ED_SCROLL_VERTICAL_XPOS;
6923   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
6924     SY + ED_SCROLL_VERTICAL_YPOS;
6925   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
6926     ED_SCROLL_VERTICAL_XSIZE;
6927   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
6928     ED_SCROLL_VERTICAL_YSIZE;
6929   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
6930   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
6931   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
6932   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
6933
6934   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
6935     PX + ED_SCROLL2_VERTICAL_XPOS;
6936   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
6937     PY + ED_SCROLL2_VERTICAL_YPOS;
6938   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
6939     ED_SCROLL2_VERTICAL_XSIZE;
6940   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
6941     ED_SCROLL2_VERTICAL_YSIZE;
6942   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = PX;
6943   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = PY;
6944   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = PXSIZE;
6945   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = PYSIZE;
6946
6947   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
6948   {
6949     int id = scrollbar_info[i].gadget_id;
6950     int graphic = scrollbar_info[i].graphic;
6951     struct GraphicInfo *gd = &graphic_info[graphic];
6952     int gd_x1 = gd->src_x;
6953     int gd_y1 = gd->src_y;
6954     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6955     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6956     struct GadgetInfo *gi;
6957     int items_max, items_visible, item_position;
6958     unsigned int event_mask;
6959
6960     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
6961     {
6962       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
6963       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
6964       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
6965     }
6966     else        // drawing area scrollbars
6967     {
6968       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
6969       {
6970         items_max = MAX(lev_fieldx + 2, ed_fieldx);
6971         items_visible = ed_fieldx;
6972         item_position = 0;
6973       }
6974       else
6975       {
6976         items_max = MAX(lev_fieldy + 2, ed_fieldy);
6977         items_visible = ed_fieldy;
6978         item_position = 0;
6979       }
6980     }
6981
6982     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
6983
6984     gi = CreateGadget(GDI_CUSTOM_ID, id,
6985                       GDI_CUSTOM_TYPE_ID, i,
6986                       GDI_IMAGE_ID, graphic,
6987                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
6988                       GDI_X, scrollbar_pos[i].x,
6989                       GDI_Y, scrollbar_pos[i].y,
6990                       GDI_WIDTH, scrollbar_pos[i].width,
6991                       GDI_HEIGHT, scrollbar_pos[i].height,
6992                       GDI_TYPE, scrollbar_info[i].type,
6993                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
6994                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
6995                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
6996                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
6997                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
6998                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
6999                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
7000                       GDI_STATE, GD_BUTTON_UNPRESSED,
7001                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7002                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7003                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7004                       GDI_EVENT_MASK, event_mask,
7005                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7006                       GDI_CALLBACK_ACTION, HandleControlButtons,
7007                       GDI_END);
7008
7009     if (gi == NULL)
7010       Error(ERR_EXIT, "cannot create gadget");
7011
7012     level_editor_gadget[id] = gi;
7013   }
7014 }
7015
7016 static void CreateCheckbuttonGadgets(void)
7017 {
7018   struct GadgetInfo *gi;
7019   unsigned int event_mask;
7020   int i;
7021
7022   event_mask = GD_EVENT_PRESSED;
7023
7024   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
7025   {
7026     int id = checkbutton_info[i].gadget_id;
7027     int graphic = (id == GADGET_ID_STICK_ELEMENT ? IMG_EDITOR_STICKYBUTTON :
7028                    IMG_EDITOR_CHECKBOX);
7029     struct GraphicInfo *gd = &graphic_info[graphic];
7030     int gd_x1 = gd->src_x;
7031     int gd_y1 = gd->src_y;
7032     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7033     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7034     int gd_x1a = gd->src_x + gd->active_xoffset;
7035     int gd_y1a = gd->src_y + gd->active_yoffset;
7036     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
7037     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
7038     int x = SX + ED_SETTINGS_X(checkbutton_info[i].x);
7039     int y = SY + ED_SETTINGS_Y(checkbutton_info[i].y);
7040
7041     // determine horizontal position to the right of specified gadget
7042     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
7043       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
7044            ED_GADGET_TEXT_DISTANCE);
7045
7046     // determine horizontal offset for leading text
7047     if (checkbutton_info[i].text_left != NULL)
7048       x += getTextWidthForGadget(checkbutton_info[i].text_left);
7049
7050     gi = CreateGadget(GDI_CUSTOM_ID, id,
7051                       GDI_CUSTOM_TYPE_ID, i,
7052                       GDI_IMAGE_ID, graphic,
7053                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
7054                       GDI_X, x,
7055                       GDI_Y, y,
7056                       GDI_WIDTH, gd->width,
7057                       GDI_HEIGHT, gd->height,
7058                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
7059                       GDI_CHECKED, *checkbutton_info[i].value,
7060                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7061                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7062                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7063                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
7064                       GDI_EVENT_MASK, event_mask,
7065                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7066                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
7067                       GDI_END);
7068
7069     if (gi == NULL)
7070       Error(ERR_EXIT, "cannot create gadget");
7071
7072     level_editor_gadget[id] = gi;
7073     right_gadget_border[id] =
7074       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
7075   }
7076 }
7077
7078 static void CreateRadiobuttonGadgets(void)
7079 {
7080   int graphic = IMG_EDITOR_RADIOBUTTON;
7081   struct GraphicInfo *gd = &graphic_info[graphic];
7082   int gd_x1 = gd->src_x;
7083   int gd_y1 = gd->src_y;
7084   int gd_x2 = gd->src_x + gd->pressed_xoffset;
7085   int gd_y2 = gd->src_y + gd->pressed_yoffset;
7086   int gd_x1a = gd->src_x + gd->active_xoffset;
7087   int gd_y1a = gd->src_y + gd->active_yoffset;
7088   int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
7089   int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
7090   struct GadgetInfo *gi;
7091   unsigned int event_mask;
7092   int i;
7093
7094   event_mask = GD_EVENT_PRESSED;
7095
7096   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
7097   {
7098     int id = radiobutton_info[i].gadget_id;
7099     int x = SX + ED_SETTINGS_X(radiobutton_info[i].x);
7100     int y = SY + ED_SETTINGS_Y(radiobutton_info[i].y);
7101
7102     int checked =
7103       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
7104
7105     // determine horizontal position to the right of specified gadget
7106     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
7107       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
7108            ED_GADGET_TEXT_DISTANCE);
7109
7110     // determine horizontal offset for leading text
7111     if (radiobutton_info[i].text_left != NULL)
7112       x += getTextWidthForGadget(radiobutton_info[i].text_left);
7113
7114     gi = CreateGadget(GDI_CUSTOM_ID, id,
7115                       GDI_CUSTOM_TYPE_ID, i,
7116                       GDI_IMAGE_ID, graphic,
7117                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
7118                       GDI_X, x,
7119                       GDI_Y, y,
7120                       GDI_WIDTH, gd->width,
7121                       GDI_HEIGHT, gd->height,
7122                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
7123                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
7124                       GDI_CHECKED, checked,
7125                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7126                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7127                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7128                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
7129                       GDI_EVENT_MASK, event_mask,
7130                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7131                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
7132                       GDI_END);
7133
7134     if (gi == NULL)
7135       Error(ERR_EXIT, "cannot create gadget");
7136
7137     level_editor_gadget[id] = gi;
7138     right_gadget_border[id] =
7139       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
7140   }
7141 }
7142
7143 void CreateLevelEditorGadgets(void)
7144 {
7145   // force EDITOR font inside level editor
7146   SetFontStatus(GAME_MODE_EDITOR);
7147
7148   // these values are not constant, but can change at runtime
7149   ed_fieldx = MAX_ED_FIELDX - 1;
7150   ed_fieldy = MAX_ED_FIELDY - 1;
7151
7152   num_editor_gadgets = NUM_EDITOR_GADGETS;
7153
7154   // printf("::: allocating %d gadgets ...\n", num_editor_gadgets);
7155
7156   level_editor_gadget =
7157     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
7158   right_gadget_border =
7159     checked_calloc(num_editor_gadgets * sizeof(int));
7160
7161   // set number of empty (padding) element buttons to maximum number of buttons
7162   num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS;
7163
7164   editor_el_empty = checked_calloc(num_editor_el_empty * sizeof(int));
7165   editor_el_empty_ptr = editor_el_empty;
7166
7167   use_permanent_palette = !editor.palette.show_as_separate_screen;
7168
7169   ReinitializeElementList();
7170
7171   CreateControlButtons();
7172   CreateScrollbarGadgets();
7173
7174   // order of function calls is important because of cross-references
7175   CreateCheckbuttonGadgets();
7176   CreateCounterButtons();
7177   CreateRadiobuttonGadgets();
7178   CreateTextInputGadgets();
7179   CreateTextAreaGadgets();
7180   CreateSelectboxGadgets();
7181   CreateGraphicbuttonGadgets();
7182   CreateTextbuttonGadgets();
7183   CreateDrawingAreas();
7184
7185   ResetFontStatus();
7186 }
7187
7188 void FreeLevelEditorGadgets(void)
7189 {
7190   int i;
7191
7192   // printf("::: freeing %d gadgets ...\n", num_editor_gadgets);
7193
7194   for (i = 0; i < num_editor_gadgets; i++)
7195   {
7196     FreeGadget(level_editor_gadget[i]);
7197
7198     level_editor_gadget[i] = NULL;
7199   }
7200
7201   checked_free(level_editor_gadget);
7202   checked_free(right_gadget_border);
7203
7204   checked_free(editor_el_empty);
7205 }
7206
7207 static void MapCounterButtons(int id)
7208 {
7209   int font_nr = FONT_TEXT_1;
7210   int font_height = getFontHeight(font_nr);
7211   int gadget_id_down = counterbutton_info[id].gadget_id_down;
7212   int gadget_id_text = counterbutton_info[id].gadget_id_text;
7213   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
7214   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
7215   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
7216   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
7217   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
7218   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7219   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7220   int yoffset = (gi_down->height - font_height) / 2;
7221   int x_left = gi_down->x - xoffset_left;
7222   int x_right;  // set after gadget position was modified
7223   int y_above = gi_down->y - yoffset_above;
7224   int x = gi_down->x;
7225   int y;        // set after gadget position was modified
7226
7227   // counter limits must be changed first to prevent value truncation
7228   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
7229                             counterbutton_info[id].max_value);
7230
7231   // right text position might have changed after setting position above
7232   x_right = gi_up->x + gi_up->width + xoffset_right;
7233
7234   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
7235
7236   // set position for "value[1,2,3,4]" counter gadgets (score in most cases)
7237   if (id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
7238       id <= ED_COUNTER_ID_ELEMENT_VALUE4)
7239   {
7240     ModifyGadget(gi_down, GDI_Y,
7241                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7242     ModifyGadget(gi_text, GDI_Y,
7243                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7244     ModifyGadget(gi_up,   GDI_Y,
7245                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7246   }
7247
7248   // vertical position might have changed after setting position above
7249   y = gi_up->y + yoffset;
7250
7251   if (counterbutton_info[id].text_above)
7252     DrawText(x, y_above, counterbutton_info[id].text_above, font_nr);
7253
7254   if (counterbutton_info[id].text_left)
7255     DrawText(x_left, y, counterbutton_info[id].text_left, font_nr);
7256
7257   if (counterbutton_info[id].text_right)
7258     DrawText(x_right, y, counterbutton_info[id].text_right, font_nr);
7259
7260   MapGadget(gi_down);
7261   MapGadget(gi_text);
7262   MapGadget(gi_up);
7263 }
7264
7265 static void MapControlButtons(void)
7266 {
7267   int counter_id;
7268   int i;
7269
7270   // map toolbox buttons (excluding special CE toolbox buttons)
7271   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
7272     MapGadget(level_editor_gadget[i]);
7273
7274   // map toolbox buttons (element properties buttons)
7275   for (i = ED_NUM_CTRL1_4_BUTTONS; i < ED_NUM_CTRL1_7_BUTTONS; i++)
7276     MapGadget(level_editor_gadget[i]);
7277
7278   if (use_permanent_palette)
7279   {
7280     // map buttons to select elements
7281     for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7282       MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
7283     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
7284     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
7285     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
7286   }
7287
7288   // map buttons to select level
7289   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
7290   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
7291   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
7292   MapCounterButtons(counter_id);
7293 }
7294
7295 static void MapDrawingArea(int id)
7296 {
7297   int font_nr = FONT_TEXT_1;
7298   int font_height = getFontHeight(font_nr);
7299   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7300   int area_xsize = gi->drawing.area_xsize;
7301   int area_ysize = gi->drawing.area_ysize;
7302   int xoffset_left = getTextWidthForDrawingArea(drawingarea_info[id].text_left);
7303   int xoffset_below = getTextWidth(drawingarea_info[id].text_below, font_nr);
7304   int x_left  = gi->x - xoffset_left;
7305   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
7306   int x_above = gi->x - ED_DRAWINGAREA_BORDER_SIZE;
7307   int x_below = gi->x + (gi->width - xoffset_below) / 2;
7308   int y_side  = gi->y + (gi->height - font_height) / 2;
7309   int y_above = gi->y - font_height - ED_DRAWINGAREA_TEXT_DISTANCE;
7310   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
7311
7312   if (drawingarea_info[id].text_left)
7313     DrawText(x_left, y_side, drawingarea_info[id].text_left, font_nr);
7314
7315   if (drawingarea_info[id].text_right)
7316     DrawText(x_right, y_side, drawingarea_info[id].text_right, font_nr);
7317
7318   if (drawingarea_info[id].text_above)
7319     DrawText(x_above, y_above, drawingarea_info[id].text_above, font_nr);
7320
7321   if (drawingarea_info[id].text_below)
7322     DrawText(x_below, y_below, drawingarea_info[id].text_below, font_nr);
7323
7324   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
7325   {
7326     DrawElementBorder(gi->x, gi->y,
7327                       area_xsize * ED_DRAWINGAREA_TILE_SIZE,
7328                       area_ysize * ED_DRAWINGAREA_TILE_SIZE, TRUE);
7329
7330     DrawDrawingArea(id);
7331   }
7332
7333   MapGadget(gi);
7334 }
7335
7336 static void MapTextInputGadget(int id)
7337 {
7338   int font_nr = FONT_TEXT_1;
7339   int font_height = getFontHeight(font_nr);
7340   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
7341   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7342   int x_above = ED_SETTINGS_X(textinput_info[id].x);
7343   int y_above = ED_SETTINGS_Y(textinput_info[id].y) - yoffset_above;
7344
7345   if (textinput_info[id].text_above)
7346     DrawTextS(x_above, y_above, font_nr, textinput_info[id].text_above);
7347
7348   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
7349
7350   MapGadget(gi);
7351 }
7352
7353 static void MapTextAreaGadget(int id)
7354 {
7355   int font_nr = FONT_TEXT_1;
7356   int font_height = getFontHeight(font_nr);
7357   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
7358   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7359   int x_above = ED_SETTINGS_X(textarea_info[id].x);
7360   int y_above = ED_SETTINGS_Y(textarea_info[id].y) - yoffset_above;
7361
7362   if (textarea_info[id].text_above)
7363     DrawTextS(x_above, y_above, font_nr, textarea_info[id].text_above);
7364
7365   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
7366
7367   MapGadget(gi);
7368 }
7369
7370 static void MapSelectboxGadget(int id)
7371 {
7372   int font_nr = FONT_TEXT_1;
7373   int font_height = getFontHeight(font_nr);
7374   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
7375   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
7376   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7377   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7378   int yoffset = (gi->height - font_height) / 2;
7379   int x_left = gi->x - xoffset_left;
7380   int x_right = gi->x + gi->width + xoffset_right;
7381   int y_above = gi->y - yoffset_above;
7382   int x = gi->x;
7383   int y = gi->y + yoffset;
7384
7385   if (selectbox_info[id].text_above)
7386     DrawText(x, y_above, selectbox_info[id].text_above, font_nr);
7387
7388   if (selectbox_info[id].text_left)
7389     DrawText(x_left, y, selectbox_info[id].text_left, font_nr);
7390
7391   if (selectbox_info[id].text_right)
7392     DrawText(x_right, y, selectbox_info[id].text_right, font_nr);
7393
7394   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
7395
7396   MapGadget(gi);
7397 }
7398
7399 static void MapTextbuttonGadget(int id)
7400 {
7401   int font_nr = FONT_TEXT_1;
7402   int font_height = getFontHeight(font_nr);
7403   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
7404   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
7405   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7406   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7407   int yoffset = (gi->height - font_height) / 2;
7408   int x_left = gi->x - xoffset_left;
7409   int x_right = gi->x + gi->width + xoffset_right;
7410   int y_above = gi->y - yoffset_above;
7411   int x = gi->x;
7412   int y = gi->y + yoffset;
7413
7414   // only show button to delete change pages when more than minimum pages
7415   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
7416       custom_element.num_change_pages == MIN_CHANGE_PAGES)
7417     return;
7418
7419   if (textbutton_info[id].text_above)
7420     DrawText(x, y_above, textbutton_info[id].text_above, font_nr);
7421
7422   if (textbutton_info[id].text_left)
7423     DrawText(x_left, y, textbutton_info[id].text_left, font_nr);
7424
7425   if (textbutton_info[id].text_right)
7426     DrawText(x_right, y, textbutton_info[id].text_right, font_nr);
7427
7428   MapGadget(gi);
7429 }
7430
7431 static void MapGraphicbuttonGadget(int id)
7432 {
7433   int font_nr = FONT_TEXT_1;
7434   int font_height = getFontHeight(font_nr);
7435   struct GadgetInfo *gi= level_editor_gadget[graphicbutton_info[id].gadget_id];
7436   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
7437   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7438   int yoffset = (gi->height - font_height) / 2;
7439   int x_left = gi->x - xoffset_left;
7440   int x_right = gi->x + gi->width + xoffset_right;
7441   int y = gi->y + yoffset;
7442
7443   if (graphicbutton_info[id].text_left)
7444     DrawText(x_left, y, graphicbutton_info[id].text_left, font_nr);
7445
7446   if (graphicbutton_info[id].text_right)
7447     DrawText(x_right, y, graphicbutton_info[id].text_right, font_nr);
7448
7449   MapGadget(gi);
7450 }
7451
7452 static void MapRadiobuttonGadget(int id)
7453 {
7454   int font_nr = FONT_TEXT_1;
7455   int font_height = getFontHeight(font_nr);
7456   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
7457   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
7458   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7459   int yoffset = (gi->height - font_height) / 2;
7460   int x_left = gi->x - xoffset_left;
7461   int x_right = gi->x + gi->width + xoffset_right;
7462   int y = gi->y + yoffset;
7463   boolean checked =
7464     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
7465
7466   if (radiobutton_info[id].text_left)
7467     DrawText(x_left, y, radiobutton_info[id].text_left, font_nr);
7468
7469   if (radiobutton_info[id].text_right)
7470     DrawText(x_right, y, radiobutton_info[id].text_right, font_nr);
7471
7472   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
7473
7474   MapGadget(gi);
7475 }
7476
7477 static void MapCheckbuttonGadget(int id)
7478 {
7479   int font_nr = FONT_TEXT_1;
7480   int font_height = getFontHeight(font_nr);
7481   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
7482   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
7483   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7484   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7485   int yoffset = (gi->height - font_height) / 2;
7486   int y_above = gi->y - yoffset_above;
7487   int x = gi->x;
7488   int x_left, x_right, y;       // set after gadget position was modified
7489
7490   // set position for gadgets with dynamically determined position
7491   if (checkbutton_info[id].x != -1)     // do not change dynamic positions
7492     ModifyGadget(gi, GDI_X, SX + ED_SETTINGS_X(checkbutton_info[id].x),GDI_END);
7493   ModifyGadget(gi, GDI_Y, SY + ED_SETTINGS_Y(checkbutton_info[id].y), GDI_END);
7494
7495   x_left = gi->x - xoffset_left;
7496   x_right = gi->x + gi->width + xoffset_right;
7497   y = gi->y + yoffset;
7498
7499   if (checkbutton_info[id].text_above)
7500     DrawText(x, y_above, checkbutton_info[id].text_above, font_nr);
7501
7502   if (checkbutton_info[id].text_left)
7503     DrawText(x_left, y, checkbutton_info[id].text_left, font_nr);
7504
7505   if (checkbutton_info[id].text_right)
7506     DrawText(x_right, y, checkbutton_info[id].text_right, font_nr);
7507
7508   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
7509
7510   MapGadget(gi);
7511 }
7512
7513 static void MapMainDrawingArea(void)
7514 {
7515   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
7516   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
7517   int i;
7518
7519   if (suppressBorderElement())
7520   {
7521     no_horizontal_scrollbar = (lev_fieldx <= ed_fieldx);
7522     no_vertical_scrollbar   = (lev_fieldy <= ed_fieldy);
7523   }
7524
7525   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
7526   {
7527     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
7528           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
7529          no_horizontal_scrollbar) ||
7530         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
7531           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
7532          no_vertical_scrollbar))
7533       continue;
7534
7535     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
7536   }
7537
7538   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
7539   {
7540     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
7541         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
7542       continue;
7543
7544     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
7545   }
7546
7547   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
7548 }
7549
7550 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
7551 {
7552   int i;
7553
7554   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
7555   {
7556     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
7557         i == GADGET_ID_CUSTOM_COPY_TO ||
7558         i == GADGET_ID_CUSTOM_EXCHANGE ||
7559         i == GADGET_ID_CUSTOM_COPY ||
7560         i == GADGET_ID_CUSTOM_PASTE)
7561     {
7562       if (map)
7563         MapGadget(level_editor_gadget[i]);
7564       else
7565         UnmapGadget(level_editor_gadget[i]);
7566     }
7567   }
7568 }
7569
7570 static void MapLevelEditorToolboxCustomGadgets(void)
7571 {
7572   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
7573 }
7574
7575 static void UnmapLevelEditorToolboxCustomGadgets(void)
7576 {
7577   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
7578 }
7579
7580 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
7581 {
7582   int i;
7583
7584   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
7585   {
7586     if (i != GADGET_ID_SINGLE_ITEMS &&
7587         i != GADGET_ID_PICK_ELEMENT)
7588     {
7589       struct GadgetInfo *gi = level_editor_gadget[i];
7590
7591       if (map)
7592       {
7593         MapGadget(gi);
7594       }
7595       else
7596       {
7597         int graphic = IMG_EDITOR_NO_TOOLBOX_BUTTON;
7598         struct GraphicInfo *gd = &graphic_info[graphic];
7599
7600         UnmapGadget(gi);
7601
7602         BlitBitmap(gd->bitmap, drawto, gd->src_x, gd->src_y,
7603                    gi->width, gi->height, gi->x, gi->y);
7604
7605         redraw_mask |= REDRAW_DOOR_3;
7606       }
7607     }
7608   }
7609 }
7610
7611 static void MapLevelEditorToolboxDrawingGadgets(void)
7612 {
7613   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
7614 }
7615
7616 static void UnmapLevelEditorToolboxDrawingGadgets(void)
7617 {
7618   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
7619 }
7620
7621 static void UnmapDrawingArea(int id)
7622 {
7623   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
7624 }
7625
7626 static void UnmapLevelEditorFieldGadgets(void)
7627 {
7628   int i;
7629
7630   for (i = 0; i < num_editor_gadgets; i++)
7631     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
7632                           level_editor_gadget[i]->y))
7633       UnmapGadget(level_editor_gadget[i]);
7634 }
7635
7636 void UnmapLevelEditorGadgets(void)
7637 {
7638   int i;
7639
7640   for (i = 0; i < num_editor_gadgets; i++)
7641     UnmapGadget(level_editor_gadget[i]);
7642 }
7643
7644 static void ResetUndoBuffer(void)
7645 {
7646   undo_buffer_position = -1;
7647   undo_buffer_steps = -1;
7648   redo_buffer_steps = 0;
7649
7650   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
7651
7652   level.changed = FALSE;
7653 }
7654
7655 static void DrawEditModeWindowExt(boolean remap_toolbox_gadgets)
7656 {
7657   if (remap_toolbox_gadgets)
7658   {
7659     ModifyEditorElementList();
7660     RedrawDrawingElements();
7661   }
7662
7663   if (edit_mode == ED_MODE_INFO)
7664     DrawLevelInfoWindow();
7665   else if (edit_mode == ED_MODE_PROPERTIES)
7666     DrawPropertiesWindow();
7667   else if (edit_mode == ED_MODE_PALETTE)
7668     DrawPaletteWindow();
7669   else  // edit_mode == ED_MODE_DRAWING
7670     DrawDrawingWindowExt(remap_toolbox_gadgets);
7671 }
7672
7673 static void DrawEditModeWindow(void)
7674 {
7675   DrawEditModeWindowExt(TRUE);
7676 }
7677
7678 static void DrawEditModeWindow_PlayfieldOnly(void)
7679 {
7680   DrawEditModeWindowExt(FALSE);
7681 }
7682
7683 static void ChangeEditModeWindow(int new_edit_mode)
7684 {
7685   edit_mode = (new_edit_mode != edit_mode ? new_edit_mode : ED_MODE_DRAWING);
7686
7687   DrawEditModeWindow();
7688 }
7689
7690 static boolean LevelChanged(void)
7691 {
7692   boolean field_changed = FALSE;
7693   int x, y;
7694
7695   for (y = 0; y < lev_fieldy; y++)
7696     for (x = 0; x < lev_fieldx; x++)
7697       if (Feld[x][y] != level.field[x][y])
7698         field_changed = TRUE;
7699
7700   return (level.changed || field_changed);
7701 }
7702
7703 static boolean PrepareSavingIntoPersonalLevelSet(void)
7704 {
7705   static LevelDirTree *last_copied_leveldir = NULL;
7706   static LevelDirTree *last_written_leveldir = NULL;
7707   static int last_copied_level_nr = -1;
7708   static int last_written_level_nr = -1;
7709   LevelDirTree *leveldir_former = leveldir_current;
7710   int level_nr_former = level_nr;
7711   int new_level_nr;
7712
7713   // remember last mod/save so that for current session, we write
7714   // back to the same personal copy, asking only about overwrite.
7715   if (leveldir_current == last_copied_leveldir &&
7716       level_nr == last_copied_level_nr)
7717   {
7718     // "cd" to personal level set dir (as used when writing last copy)
7719     leveldir_current = last_written_leveldir;
7720     level_nr = last_written_level_nr;
7721
7722     return TRUE;
7723   }
7724
7725   if (!Request("This level is read only! "
7726                "Save into personal level set?", REQ_ASK))
7727     return FALSE;
7728
7729   // "cd" to personal level set dir (for writing copy the first time)
7730   leveldir_current =
7731     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
7732
7733   // this may happen if "setup.internal.create_user_levelset" is FALSE
7734   // or if file "levelinfo.conf" is missing in personal user level set
7735   if (leveldir_current == NULL)
7736   {
7737     Request("Cannot find personal level set?!", REQ_CONFIRM);
7738
7739     leveldir_current = leveldir_former;
7740
7741     return FALSE;
7742   }
7743
7744   // find unused level number
7745   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
7746   {
7747     static char *level_filename = NULL;
7748
7749     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
7750
7751     if (!fileExists(level_filename))
7752       break;
7753   }
7754
7755   last_copied_leveldir = leveldir_former;
7756   last_copied_level_nr = level_nr_former;
7757
7758   last_written_leveldir = leveldir_current;
7759   last_written_level_nr = level_nr = new_level_nr;
7760
7761   return TRUE;
7762 }
7763
7764 static void ModifyLevelInfoForSavingIntoPersonalLevelSet(char *former_name)
7765 {
7766   static char *filename_levelinfo = NULL, *mod_name = NULL;
7767   FILE *file;
7768
7769   // annotate this copy-and-mod in personal levelinfo.conf
7770   setString(&filename_levelinfo,
7771             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
7772
7773   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
7774   {
7775     fprintf(file, "\n");
7776     fprintf(file, "# level %d was modified from:\n", level_nr);
7777     fprintf(file, "# - previous level set name:    %s\n",
7778             former_name);
7779     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
7780             level.file_info.nr, level.name);
7781     fprintf(file, "# - previous author:            %s\n",
7782             level.author);
7783     fprintf(file, "# - previous save date:         ");
7784
7785     if (level.creation_date.src == DATE_SRC_LEVELFILE)
7786     {
7787       fprintf(file, "%04d-%02d-%02d\n",
7788               level.creation_date.year,
7789               level.creation_date.month,
7790               level.creation_date.day);
7791     }
7792     else
7793     {
7794       fprintf(file, "not recorded\n");
7795     }
7796
7797     fclose(file);
7798   }
7799
7800   if (level_nr > leveldir_current->last_level)
7801     UpdateUserLevelSet(getLoginName(), NULL, NULL, level_nr + 9);
7802
7803   // else: allow the save even if annotation failed
7804
7805   // now... spray graffiti on the old level vital statistics
7806   // user can change these; just trying to set a good baseline
7807
7808   // don't truncate names for fear of making offensive or silly:
7809   // long-named original author only recorded in levelinfo.conf.
7810   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
7811   if (!strEqual(level.author, leveldir_current->author))
7812   {
7813     setString(&mod_name, getStringCat3(leveldir_current->author,
7814                                        " after ", level.author));
7815
7816     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7817       setString(&mod_name,
7818                 getStringCat2(leveldir_current->author, " (ed.)"));
7819
7820     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7821       setString(&mod_name, leveldir_current->author);
7822
7823     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
7824
7825     // less worried about truncation here
7826     setString(&mod_name, getStringCat2("Mod: ", level.name));
7827     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
7828   }
7829 }
7830
7831 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
7832                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
7833 {
7834   int x, y;
7835
7836   for (x = 0; x < lev_fieldx; x++)
7837     for (y = 0; y < lev_fieldy; y++)
7838       dst[x][y] = src[x][y];
7839 }
7840
7841 static int setSelectboxValue(int selectbox_id, int new_value)
7842 {
7843   int new_index_value = 0;
7844   int i;
7845
7846   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
7847     if (selectbox_info[selectbox_id].options[i].value == new_value)
7848       new_index_value = i;
7849
7850   *selectbox_info[selectbox_id].value =
7851     selectbox_info[selectbox_id].options[new_index_value].value;
7852
7853   return new_index_value;
7854 }
7855
7856 static void setSelectboxSpecialActionVariablesIfNeeded(void)
7857 {
7858   int i;
7859
7860   // change action mode and arg variables according to action type variable
7861   for (i = 0; action_arg_options[i].value != -1; i++)
7862   {
7863     if (action_arg_options[i].value == custom_element_change.action_type)
7864     {
7865       int mode = action_arg_options[i].mode;
7866
7867       // only change if corresponding selectbox has changed
7868       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
7869           action_arg_modes[mode])
7870         custom_element_change.action_mode = -1;
7871
7872       // only change if corresponding selectbox has changed
7873       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
7874           action_arg_options[i].options)
7875         custom_element_change.action_arg = -1;
7876
7877       break;
7878     }
7879   }
7880 }
7881
7882 static void setSelectboxSpecialActionOptions(void)
7883 {
7884   int i;
7885
7886   // change action mode and arg selectbox according to action type selectbox
7887   for (i = 0; action_arg_options[i].value != -1; i++)
7888   {
7889     if (action_arg_options[i].value == custom_element_change.action_type)
7890     {
7891       int mode = action_arg_options[i].mode;
7892
7893       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
7894                                    action_arg_modes[mode]);
7895       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
7896                                  custom_element_change.action_mode);
7897
7898       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
7899                                    action_arg_options[i].options);
7900       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
7901                                  custom_element_change.action_arg);
7902       break;
7903     }
7904   }
7905 }
7906
7907 static void copy_custom_element_settings(int element_from, int element_to)
7908 {
7909   struct ElementInfo *ei_from = &element_info[element_from];
7910   struct ElementInfo *ei_to = &element_info[element_to];
7911
7912   copyElementInfo(ei_from, ei_to);
7913 }
7914
7915 static void replace_custom_element_in_settings(int element_from,
7916                                                int element_to)
7917 {
7918   int i, j, x, y;
7919
7920   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7921   {
7922     struct ElementInfo *ei = &element_info[i];
7923
7924     for (y = 0; y < 3; y++)
7925       for (x = 0; x < 3; x++)
7926         if (ei->content.e[x][y] == element_from)
7927           ei->content.e[x][y] = element_to;
7928
7929     for (j = 0; j < ei->num_change_pages; j++)
7930     {
7931       struct ElementChangeInfo *change = &ei->change_page[j];
7932
7933       if (change->target_element == element_from)
7934         change->target_element = element_to;
7935
7936       if (change->initial_trigger_element == element_from)
7937         change->initial_trigger_element = element_to;
7938
7939       if (change->action_element == element_from)
7940         change->action_element = element_to;
7941
7942       for (y = 0; y < 3; y++)
7943         for (x = 0; x < 3; x++)
7944           if (change->target_content.e[x][y] == element_from)
7945             change->target_content.e[x][y] = element_to;
7946     }
7947
7948     if (ei->group != NULL)                              // group or internal
7949       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
7950         if (ei->group->element[j] == element_from)
7951           ei->group->element[j] = element_to;
7952   }
7953 }
7954
7955 static void replace_custom_element_in_playfield(int element_from,
7956                                                 int element_to)
7957 {
7958   int x, y;
7959
7960   for (x = 0; x < lev_fieldx; x++)
7961     for (y = 0; y < lev_fieldy; y++)
7962       if (Feld[x][y] == element_from)
7963         Feld[x][y] = element_to;
7964 }
7965
7966 static boolean CopyCustomElement(int element_old, int element_new,
7967                                  int copy_mode)
7968 {
7969   int copy_mode_orig = copy_mode;
7970
7971   if (copy_mode == GADGET_ID_CUSTOM_COPY)
7972   {
7973     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
7974                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
7975     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
7976   }
7977   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
7978   {
7979     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
7980                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
7981     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
7982
7983     level.changed = TRUE;
7984   }
7985   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
7986   {
7987     Request("Please choose custom element!", REQ_CONFIRM);
7988
7989     return FALSE;
7990   }
7991   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
7992   {
7993     Request("Please choose group element!", REQ_CONFIRM);
7994
7995     return FALSE;
7996   }
7997   else
7998   {
7999     level.changed = TRUE;
8000   }
8001
8002   // when modifying custom/group element, ask for copying level template
8003   if (copy_mode_orig != GADGET_ID_CUSTOM_COPY && level.use_custom_template)
8004   {
8005     if (!AskToCopyAndModifyLevelTemplate())
8006       return FALSE;
8007   }
8008
8009   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
8010   {
8011     copy_custom_element_settings(element_new, element_old);
8012   }
8013   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
8014   {
8015     copy_custom_element_settings(element_old, element_new);
8016   }
8017   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
8018   {
8019     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
8020     copy_custom_element_settings(element_new, element_old);
8021     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
8022
8023     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
8024     replace_custom_element_in_settings(element_new, element_old);
8025     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
8026
8027     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
8028     replace_custom_element_in_playfield(element_new, element_old);
8029     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
8030   }
8031
8032   UpdateCustomElementGraphicGadgets();
8033   DrawPropertiesWindow();
8034
8035   return TRUE;
8036 }
8037
8038 static void CopyCustomElementPropertiesToEditor(int element)
8039 {
8040   int i;
8041   int current_change_page = element_info[element].current_change_page;
8042
8043   // dynamically (re)build selectbox for selecting change page
8044   for (i = 0; i < element_info[element].num_change_pages; i++)
8045   {
8046     sprintf(options_change_page_strings[i], "%d", i + 1);
8047
8048     options_change_page[i].value = i;
8049     options_change_page[i].text = options_change_page_strings[i];
8050   }
8051
8052   options_change_page[i].value = -1;
8053   options_change_page[i].text = NULL;
8054
8055   // needed here to initialize combined element properties
8056   InitElementPropertiesEngine(level.game_version);
8057
8058   element_info[element].change =
8059     &element_info[element].change_page[current_change_page];
8060
8061   custom_element = element_info[element];
8062   custom_element_change = *element_info[element].change;
8063
8064   // needed to initially set selectbox options for special action options
8065   setSelectboxSpecialActionOptions();
8066
8067   // needed to initially set selectbox value variables to reliable defaults
8068   for (i = 0; i < ED_NUM_SELECTBOX; i++)
8069     setSelectboxValue(i, *selectbox_info[i].value);
8070
8071   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
8072     custom_element_properties[i] = HAS_PROPERTY(element, i);
8073
8074   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
8075     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
8076
8077   // ---------- element settings: configure (custom elements) -----------------
8078
8079   // set accessible layer selectbox help value
8080   custom_element.access_type =
8081     (IS_WALKABLE(element) ? EP_WALKABLE :
8082      IS_PASSABLE(element) ? EP_PASSABLE :
8083      custom_element.access_type);
8084   custom_element.access_layer =
8085     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
8086      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
8087      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
8088      custom_element.access_layer);
8089   custom_element.access_protected =
8090     (IS_PROTECTED(element) ? 1 : 0);
8091   custom_element_properties[EP_ACCESSIBLE] =
8092     (IS_ACCESSIBLE_OVER(element) ||
8093      IS_ACCESSIBLE_INSIDE(element) ||
8094      IS_ACCESSIBLE_UNDER(element));
8095
8096   // set walk-to-object action selectbox help value
8097   custom_element.walk_to_action =
8098     (IS_DIGGABLE(element) ? EP_DIGGABLE :
8099      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
8100      IS_DROPPABLE(element) ? EP_DROPPABLE :
8101      IS_THROWABLE(element) ? EP_THROWABLE :
8102      IS_PUSHABLE(element) ? EP_PUSHABLE :
8103      custom_element.walk_to_action);
8104   custom_element_properties[EP_WALK_TO_OBJECT] =
8105     (IS_DIGGABLE(element) ||
8106      IS_COLLECTIBLE_ONLY(element) ||
8107      IS_DROPPABLE(element) ||
8108      IS_THROWABLE(element) ||
8109      IS_PUSHABLE(element));
8110
8111   // set smash targets selectbox help value
8112   custom_element.smash_targets =
8113     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
8114      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
8115      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
8116      custom_element.smash_targets);
8117   custom_element_properties[EP_CAN_SMASH] =
8118     (CAN_SMASH_EVERYTHING(element) ||
8119      CAN_SMASH_ENEMIES(element) ||
8120      CAN_SMASH_PLAYER(element));
8121
8122   // set deadliness selectbox help value
8123   custom_element.deadliness =
8124     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
8125      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
8126      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
8127      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
8128      custom_element.deadliness);
8129   custom_element_properties[EP_DEADLY] =
8130     (DONT_TOUCH(element) ||
8131      DONT_GET_HIT_BY(element) ||
8132      DONT_COLLIDE_WITH(element) ||
8133      DONT_RUN_INTO(element));
8134
8135   // ---------- element settings: advanced (custom elements) ------------------
8136
8137   // set "change by direct action" selectbox help value
8138   custom_element_change.direct_action =
8139     (HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
8140      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
8141      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
8142      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
8143      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
8144      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
8145      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
8146      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
8147      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
8148      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
8149      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
8150      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
8151      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
8152      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
8153      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
8154      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
8155      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
8156      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
8157      HAS_CHANGE_EVENT(element, CE_CLICKED_BY_MOUSE) ? CE_CLICKED_BY_MOUSE :
8158      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_MOUSE) ? CE_PRESSED_BY_MOUSE :
8159      custom_element_change.direct_action);
8160
8161   // set "change by other element action" selectbox help value
8162   custom_element_change.other_action =
8163     (HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
8164      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
8165      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
8166      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
8167      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
8168      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
8169      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
8170      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
8171      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
8172      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
8173      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
8174      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
8175      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
8176      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
8177      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
8178      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
8179      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
8180      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
8181      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
8182      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
8183      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
8184      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
8185      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
8186      HAS_CHANGE_EVENT(element, CE_MOUSE_CLICKED_ON_X) ? CE_MOUSE_CLICKED_ON_X :
8187      HAS_CHANGE_EVENT(element, CE_MOUSE_PRESSED_ON_X) ? CE_MOUSE_PRESSED_ON_X :
8188      custom_element_change.other_action);
8189 }
8190
8191 static void CopyGroupElementPropertiesToEditor(int element)
8192 {
8193   group_element_info = *element_info[element].group;
8194   custom_element = element_info[element];       // needed for description
8195 }
8196
8197 static void CopyClassicElementPropertiesToEditor(int element)
8198 {
8199   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
8200     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
8201       getMoveIntoAcidProperty(&level, element);
8202
8203   if (MAYBE_DONT_COLLIDE_WITH(element))
8204     custom_element_properties[EP_DONT_COLLIDE_WITH] =
8205       getDontCollideWithProperty(&level, element);
8206 }
8207
8208 static void CopyElementPropertiesToEditor(int element)
8209 {
8210   if (IS_CUSTOM_ELEMENT(element))
8211     CopyCustomElementPropertiesToEditor(element);
8212   else if (IS_GROUP_ELEMENT(element))
8213     CopyGroupElementPropertiesToEditor(element);
8214   else
8215     CopyClassicElementPropertiesToEditor(element);
8216 }
8217
8218 static boolean AskToCopyAndModifyLevelTemplate(void)
8219 {
8220   if (Request("Copy and modify settings from level template?", REQ_ASK))
8221   {
8222     level.use_custom_template = FALSE;
8223
8224     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_1],
8225                  GDI_CHECKED, FALSE, GDI_END);
8226     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_2],
8227                  GDI_CHECKED, FALSE, GDI_END);
8228
8229     return TRUE;
8230   }
8231   else
8232   {
8233     LoadLevelTemplate(-1);      // this resets all element modifications ...
8234
8235     DrawEditModeWindow();       // ... and copies them to 'custom_element'
8236
8237     return FALSE;
8238   }
8239 }
8240
8241 static void CopyCustomElementPropertiesToGame(int element)
8242 {
8243   int i;
8244   int access_type_and_layer;
8245
8246   // mark that this custom element has been modified
8247   custom_element.modified_settings = TRUE;
8248   level.changed = TRUE;
8249
8250   if (level.use_custom_template)
8251     AskToCopyAndModifyLevelTemplate();
8252
8253   element_info[element] = custom_element;
8254   *element_info[element].change = custom_element_change;
8255
8256   // ---------- element settings: configure (custom elements) -----------------
8257
8258   // set accessible property from checkbox and selectbox
8259   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
8260   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
8261   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
8262   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
8263   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
8264   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
8265   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
8266                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
8267                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
8268   custom_element_properties[access_type_and_layer] =
8269     custom_element_properties[EP_ACCESSIBLE];
8270   custom_element_properties[EP_PROTECTED] =
8271     (custom_element.access_protected != 0 &&
8272      custom_element_properties[EP_ACCESSIBLE]);
8273
8274   // set walk-to-object property from checkbox and selectbox
8275   custom_element_properties[EP_DIGGABLE] = FALSE;
8276   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
8277   custom_element_properties[EP_DROPPABLE] = FALSE;
8278   custom_element_properties[EP_THROWABLE] = FALSE;
8279   custom_element_properties[EP_PUSHABLE] = FALSE;
8280   custom_element_properties[custom_element.walk_to_action] =
8281     custom_element_properties[EP_WALK_TO_OBJECT];
8282
8283   // set smash property from checkbox and selectbox
8284   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
8285   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
8286   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
8287   custom_element_properties[custom_element.smash_targets] =
8288     custom_element_properties[EP_CAN_SMASH];
8289
8290   // set deadliness property from checkbox and selectbox
8291   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
8292   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
8293   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
8294   custom_element_properties[EP_DONT_TOUCH] = FALSE;
8295   custom_element_properties[custom_element.deadliness] =
8296     custom_element_properties[EP_DEADLY];
8297
8298   // ---------- element settings: advanced (custom elements) ------------------
8299
8300   // set player change event from checkbox and selectbox
8301   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
8302   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
8303   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
8304   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
8305   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
8306   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
8307   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
8308   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
8309   custom_element_change_events[CE_SWITCHED] = FALSE;
8310   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
8311   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
8312   custom_element_change_events[CE_BLOCKED] = FALSE;
8313   custom_element_change_events[CE_IMPACT] = FALSE;
8314   custom_element_change_events[CE_SMASHED] = FALSE;
8315   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
8316   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
8317   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
8318   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
8319   custom_element_change_events[CE_CLICKED_BY_MOUSE] = FALSE;
8320   custom_element_change_events[CE_PRESSED_BY_MOUSE] = FALSE;
8321   custom_element_change_events[custom_element_change.direct_action] =
8322     custom_element_change_events[CE_BY_DIRECT_ACTION];
8323
8324   // set other element action change event from checkbox and selectbox
8325   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
8326   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
8327   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
8328   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
8329   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
8330   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
8331   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
8332   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
8333   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
8334   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
8335   custom_element_change_events[CE_TOUCHING_X] = FALSE;
8336   custom_element_change_events[CE_HITTING_X] = FALSE;
8337   custom_element_change_events[CE_DIGGING_X] = FALSE;
8338   custom_element_change_events[CE_HIT_BY_X] = FALSE;
8339   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
8340   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
8341   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
8342   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
8343   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
8344   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
8345   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
8346   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
8347   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
8348   custom_element_change_events[CE_MOUSE_CLICKED_ON_X] = FALSE;
8349   custom_element_change_events[CE_MOUSE_PRESSED_ON_X] = FALSE;
8350   custom_element_change_events[custom_element_change.other_action] =
8351     custom_element_change_events[CE_BY_OTHER_ACTION];
8352
8353   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
8354     SET_PROPERTY(element, i, custom_element_properties[i]);
8355
8356   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
8357     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
8358
8359   // copy change events also to special level editor variable
8360   custom_element = element_info[element];
8361   custom_element_change = *element_info[element].change;
8362
8363   // needed here to restore runtime value "element_info[element].gfx_element"
8364   InitElementPropertiesGfxElement();
8365 }
8366
8367 static void CopyGroupElementPropertiesToGame(int element)
8368 {
8369   // mark that this group element has been modified
8370   custom_element.modified_settings = TRUE;
8371   level.changed = TRUE;
8372
8373   if (level.use_custom_template)
8374     AskToCopyAndModifyLevelTemplate();
8375
8376   element_info[element] = custom_element;
8377   *element_info[element].group = group_element_info;
8378
8379   // needed here to restore runtime value "element_info[element].gfx_element"
8380   InitElementPropertiesGfxElement();
8381 }
8382
8383 static void CopyClassicElementPropertiesToGame(int element)
8384 {
8385   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
8386     setMoveIntoAcidProperty(&level, element,
8387                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
8388
8389   if (MAYBE_DONT_COLLIDE_WITH(element))
8390     setDontCollideWithProperty(&level, element,
8391                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
8392 }
8393
8394 static void CopyElementPropertiesToGame(int element)
8395 {
8396   if (IS_CUSTOM_ELEMENT(element))
8397     CopyCustomElementPropertiesToGame(element);
8398   else if (IS_GROUP_ELEMENT(element))
8399     CopyGroupElementPropertiesToGame(element);
8400   else
8401     CopyClassicElementPropertiesToGame(element);
8402 }
8403
8404 #if DEBUG
8405 static void CheckElementDescriptions(void)
8406 {
8407   int i;
8408
8409   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
8410     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
8411       Error(ERR_WARN, "no element description file for element '%s'",
8412             EL_NAME(i));
8413 }
8414 #endif
8415
8416 static int getMaxEdFieldX(boolean has_scrollbar)
8417 {
8418   int scrollbar_width = (has_scrollbar ? ED_SCROLLBUTTON_XSIZE : 0);
8419   int sxsize = SXSIZE - scrollbar_width;
8420   int max_ed_fieldx = sxsize / ed_tilesize;
8421
8422   return max_ed_fieldx;
8423 }
8424
8425 static int getMaxEdFieldY(boolean has_scrollbar)
8426 {
8427   int infotext_height = (IN_PIX_FIELD(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY) ?
8428                          INFOTEXT_YSIZE_FULL : 0);
8429   int scrollbar_height = (has_scrollbar ? ED_SCROLLBUTTON_YSIZE : 0);
8430   int sysize = SYSIZE - scrollbar_height - infotext_height;
8431   int max_ed_fieldy = sysize / ed_tilesize;
8432
8433   return max_ed_fieldy;
8434 }
8435
8436 static void InitZoomLevelSettings(int zoom_tilesize)
8437 {
8438   static int last_game_engine_type = GAME_ENGINE_TYPE_UNKNOWN;
8439
8440   if (zoom_tilesize == -1 && level.game_engine_type != last_game_engine_type)
8441   {
8442     ed_tilesize = setup.auto_setup.editor_zoom_tilesize;
8443     ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
8444
8445     // make sure that tile size is always a power of 2
8446     ed_tilesize = (1 << log_2(ed_tilesize));
8447
8448     if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
8449     {
8450       ed_tilesize = DEFAULT_EDITOR_TILESIZE_MM;
8451       ed_tilesize_default = DEFAULT_EDITOR_TILESIZE_MM;
8452     }
8453   }
8454
8455   last_game_engine_type = level.game_engine_type;
8456
8457   // limit zoom tilesize by upper and lower bound
8458   ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
8459
8460   // store zoom tilesize in auto setup file only if it was manually changed
8461   if (zoom_tilesize != -1)
8462     setup.auto_setup.editor_zoom_tilesize = ed_tilesize;
8463
8464   MAX_ED_FIELDX = getMaxEdFieldX(FALSE);
8465   MAX_ED_FIELDY = getMaxEdFieldY(FALSE);
8466 }
8467
8468 static void InitDrawingElements(void)
8469 {
8470   static int game_engine_type_last = GAME_ENGINE_TYPE_UNKNOWN;
8471
8472   if (level.game_engine_type == game_engine_type_last)
8473     return;
8474
8475   if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
8476   {
8477     new_element1 = EL_SP_CHIP_SINGLE;
8478     new_element2 = EL_EMPTY;
8479     new_element3 = EL_SP_BASE;
8480   }
8481   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
8482   {
8483     new_element1 = EL_MM_MIRROR_START;
8484     new_element2 = EL_EMPTY;
8485     new_element3 = EL_MM_WOODEN_WALL;
8486   }
8487   else
8488   {
8489     new_element1 = EL_WALL;
8490     new_element2 = EL_EMPTY;
8491     new_element3 = EL_SAND;
8492   }
8493
8494   game_engine_type_last = level.game_engine_type;
8495 }
8496
8497 static void InitLevelSetInfo(void)
8498 {
8499   snprintf(levelset_name,   MAX_LEVEL_NAME_LEN + 1,
8500            "%s", leveldir_current->name);
8501   snprintf(levelset_author, MAX_LEVEL_AUTHOR_LEN + 1,
8502            "%s", leveldir_current->author);
8503
8504   levelset_num_levels = leveldir_current->levels;
8505
8506   levelset_use_levelset_artwork = FALSE;
8507   levelset_copy_level_template = FALSE;
8508
8509   levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
8510 }
8511
8512 static void ChangeEditorToLevelSet(char *levelset_subdir)
8513 {
8514   leveldir_current = getTreeInfoFromIdentifier(leveldir_first, levelset_subdir);
8515
8516   // the previous level set might have used custom artwork
8517   ReloadCustomArtwork(0);
8518
8519   LoadLevelSetup_SeriesInfo();
8520
8521   SaveLevelSetup_LastSeries();
8522   SaveLevelSetup_SeriesInfo();
8523
8524   TapeErase();
8525
8526   LoadLevel(level_nr);
8527   LoadScore(level_nr);
8528
8529   DrawLevelEd();
8530 }
8531
8532 static boolean useEditorDoorAnimation(void)
8533 {
8534   struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
8535   boolean door_1_viewport_unchanged =
8536     (vp_door_1->x      == DX     &&
8537      vp_door_1->y      == DY     &&
8538      vp_door_1->width  == DXSIZE &&
8539      vp_door_1->height == DYSIZE);
8540   boolean door_1_contains_toolbox =
8541     (EX >= DX &&
8542      EY >= DY &&
8543      EX + EXSIZE <= DX + DXSIZE &&
8544      EY + EYSIZE <= DY + DYSIZE);
8545
8546   return (door_1_viewport_unchanged && door_1_contains_toolbox);
8547 }
8548
8549 static void DrawEditorDoorBackground(int graphic, int x, int y,
8550                                      int width, int height)
8551 {
8552   struct GraphicInfo *g = &graphic_info[graphic];
8553
8554   if (g->bitmap != NULL)
8555     BlitBitmap(g->bitmap, drawto, g->src_x, g->src_y,
8556                MIN(width, g->width), MIN(height, g->height), x, y);
8557   else
8558     ClearRectangle(drawto, x, y, width, height);
8559 }
8560
8561 static void DrawEditorDoorContent(void)
8562 {
8563   // needed for gadgets drawn on background (like palette scrollbar)
8564   SetDoorBackgroundImage(IMG_UNDEFINED);
8565
8566   // copy default editor door content to main double buffer
8567   DrawEditorDoorBackground(IMG_BACKGROUND_PALETTE, DX, DY, DXSIZE, DYSIZE);
8568
8569   // draw bigger door
8570   DrawSpecialEditorDoor();
8571
8572   // draw new control window
8573   DrawEditorDoorBackground(IMG_BACKGROUND_TOOLBOX, EX, EY, EXSIZE, EYSIZE);
8574
8575   // draw all toolbox gadgets to editor doors
8576   MapControlButtons();
8577
8578   // draw all palette gadgets to editor doors
8579   ModifyEditorElementList();
8580   RedrawDrawingElements();
8581
8582   // copy actual editor door content to door double buffer for OpenDoor()
8583   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
8584 }
8585
8586 void DrawLevelEd(void)
8587 {
8588   int fade_mask = REDRAW_FIELD;
8589
8590   FadeSoundsAndMusic();
8591
8592   if (CheckFadeAll())
8593     fade_mask = REDRAW_ALL;
8594
8595   FadeOut(fade_mask);
8596
8597   // needed if different viewport properties defined for editor
8598   ChangeViewportPropertiesIfNeeded();
8599
8600   ClearField();
8601
8602   InitZoomLevelSettings(-1);
8603   InitDrawingElements();
8604   InitLevelSetInfo();
8605
8606 #if DEBUG
8607   CheckElementDescriptions();
8608 #endif
8609
8610   if (level_editor_test_game)
8611   {
8612     CopyPlayfield(level.field, Feld);
8613     CopyPlayfield(FieldBackup, level.field);
8614
8615     level_editor_test_game = FALSE;
8616   }
8617   else
8618   {
8619     edit_mode = ED_MODE_DRAWING;
8620     edit_mode_levelinfo = ED_MODE_LEVELINFO_LEVEL;
8621     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
8622
8623     ResetUndoBuffer();
8624
8625     level_xpos = -1;
8626     level_ypos = -1;
8627   }
8628
8629   // redraw_mask |= REDRAW_ALL;
8630
8631   FreeLevelEditorGadgets();
8632   CreateLevelEditorGadgets();
8633
8634   ReinitializeElementList();            // update dynamic level element list
8635   ReinitializeElementListButtons();     // custom element may look different
8636
8637   InitElementPropertiesGfxElement();
8638
8639   UnmapAllGadgets();
8640
8641   DrawEditModeWindow_PlayfieldOnly();
8642
8643   DrawMaskedBorder(fade_mask);
8644
8645   // use door animation if door 1 viewport is unchanged and contains toolbox
8646   if (useEditorDoorAnimation())
8647   {
8648     FadeIn(fade_mask);
8649
8650     DrawEditorDoorContent();
8651
8652     OpenDoor(DOOR_OPEN_1 | DOOR_FORCE_ANIM);
8653   }
8654   else
8655   {
8656     DrawEditorDoorContent();
8657
8658     FadeIn(fade_mask);
8659   }
8660
8661   SetDoorState(DOOR_OPEN_1 | DOOR_OPEN_2);
8662 }
8663
8664 static void AdjustDrawingAreaGadgets(void)
8665 {
8666   int ed_xsize = lev_fieldx + 2;
8667   int ed_ysize = lev_fieldy + 2;
8668   int max_ed_fieldx = MAX_ED_FIELDX;
8669   int max_ed_fieldy = MAX_ED_FIELDY;
8670   boolean horizontal_scrollbar_needed;
8671   boolean vertical_scrollbar_needed;
8672   int x, y, width, height;
8673
8674   if (suppressBorderElement())
8675   {
8676     ed_xsize = max_ed_fieldx;
8677     ed_ysize = max_ed_fieldy;
8678   }
8679
8680   // check if we need any scrollbars
8681   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
8682   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
8683
8684   // check if we have a smaller editor field because of scrollbars
8685   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
8686   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
8687
8688   // check again if we now need more scrollbars because of less space
8689   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
8690   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
8691
8692   // check if editor field gets even smaller after adding new scrollbars
8693   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
8694   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
8695
8696   ed_fieldx = (ed_xsize > max_ed_fieldx ? max_ed_fieldx : ed_xsize);
8697   ed_fieldy = (ed_ysize > max_ed_fieldy ? max_ed_fieldy : ed_ysize);
8698
8699   x = SX + ed_fieldx * ed_tilesize;
8700   y = SY + ed_fieldy * ed_tilesize;
8701
8702   width  = ed_fieldx * ed_tilesize - 2 * ED_SCROLLBUTTON_XSIZE;
8703   height = ed_fieldy * ed_tilesize - 2 * ED_SCROLLBUTTON_YSIZE;
8704
8705   // adjust drawing area gadget
8706   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
8707                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
8708                GDI_ITEM_SIZE, ed_tilesize, ed_tilesize,
8709                GDI_END);
8710
8711   // adjust horizontal scrollbar gadgets
8712   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LEFT],
8713                GDI_Y, y,
8714                GDI_END);
8715   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT],
8716                GDI_X, x - ED_SCROLLBUTTON_XSIZE,
8717                GDI_Y, y,
8718                GDI_END);
8719   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
8720                GDI_Y, y,
8721                GDI_WIDTH, width,
8722                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
8723                GDI_END);
8724
8725   // adjust vertical scrollbar gadgets
8726   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_UP],
8727                GDI_X, x,
8728                GDI_END);
8729   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN],
8730                GDI_X, x,
8731                GDI_Y, y - ED_SCROLLBUTTON_YSIZE,
8732                GDI_END);
8733   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
8734                GDI_X, x,
8735                GDI_HEIGHT, height,
8736                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
8737                GDI_END);
8738 }
8739
8740 static void AdjustLevelScrollPosition(void)
8741 {
8742   if (level_xpos < -1)
8743     level_xpos = -1;
8744   if (level_xpos > lev_fieldx - ed_fieldx + 1)
8745     level_xpos = lev_fieldx - ed_fieldx + 1;
8746   if (lev_fieldx < ed_fieldx - 2)
8747     level_xpos = -1;
8748
8749   if (level_ypos < -1)
8750     level_ypos = -1;
8751   if (level_ypos > lev_fieldy - ed_fieldy + 1)
8752     level_ypos = lev_fieldy - ed_fieldy + 1;
8753   if (lev_fieldy < ed_fieldy - 2)
8754     level_ypos = -1;
8755
8756   if (suppressBorderElement())
8757   {
8758     level_xpos = 0;
8759     level_ypos = 0;
8760   }
8761 }
8762
8763 static void AdjustEditorScrollbar(int id)
8764 {
8765   struct GadgetInfo *gi = level_editor_gadget[id];
8766   int items_max, items_visible, item_position;
8767
8768   if (id == GADGET_ID_SCROLL_HORIZONTAL)
8769   {
8770     items_max = MAX(lev_fieldx + 2, ed_fieldx);
8771     items_visible = ed_fieldx;
8772     item_position = level_xpos + 1;
8773   }
8774   else
8775   {
8776     items_max = MAX(lev_fieldy + 2, ed_fieldy);
8777     items_visible = ed_fieldy;
8778     item_position = level_ypos + 1;
8779   }
8780
8781   if (item_position > items_max - items_visible)
8782     item_position = items_max - items_visible;
8783
8784   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
8785                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
8786 }
8787
8788 static void AdjustElementListScrollbar(void)
8789 {
8790   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
8791   int items_max, items_visible, item_position;
8792
8793   // correct position of element list scrollbar
8794   if (element_shift < 0)
8795     element_shift = 0;
8796   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
8797     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
8798
8799   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
8800   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
8801   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
8802
8803   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
8804                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
8805                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
8806 }
8807
8808 static void ModifyEditorCounterValue(int counter_id, int new_value)
8809 {
8810   int *counter_value = counterbutton_info[counter_id].value;
8811   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
8812   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8813
8814   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
8815
8816   if (counter_value != NULL)
8817     *counter_value = gi->textinput.number_value;
8818 }
8819
8820 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
8821 {
8822   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
8823   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8824
8825   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
8826
8827   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
8828       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
8829   {
8830     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
8831     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
8832
8833     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
8834     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_SMALL_DISTANCE,
8835                  GDI_END);
8836   }
8837 }
8838
8839 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
8840 {
8841   int gadget_id = selectbox_info[selectbox_id].gadget_id;
8842   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8843   int new_index_value = setSelectboxValue(selectbox_id, new_value);
8844
8845   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
8846 }
8847
8848 static void ModifyEditorSelectboxOptions(int selectbox_id,
8849                                          struct ValueTextInfo *options)
8850 {
8851   int gadget_id = selectbox_info[selectbox_id].gadget_id;
8852   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8853
8854   selectbox_info[selectbox_id].options = options;
8855
8856   // set index to zero -- list may be shorter now (correct later, if needed)
8857   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
8858                GDI_SELECTBOX_OPTIONS, options, GDI_END);
8859 }
8860
8861 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
8862 {
8863   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
8864   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8865
8866   drawingarea_info[drawingarea_id].area_xsize = xsize;
8867   drawingarea_info[drawingarea_id].area_ysize = ysize;
8868
8869   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
8870 }
8871
8872 static void ModifyEditorElementList(void)
8873 {
8874   int i;
8875
8876   if (!use_permanent_palette && edit_mode != ED_MODE_PALETTE)
8877     return;
8878
8879   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
8880   {
8881     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
8882     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8883     struct GadgetDesign *gd = &gi->deco.design;
8884     int element = editor_elements[element_shift + i];
8885     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
8886
8887     UnmapGadget(gi);
8888
8889     getEditorGraphicSource(element, tile_size, &gd->bitmap, &gd->x, &gd->y);
8890
8891     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
8892
8893     MapGadget(gi);
8894   }
8895 }
8896
8897 static void DrawDrawingElementGraphic(int element, struct XYTileSize *pos)
8898 {
8899   int graphic = el2edimg(element);
8900   int tile_size = BUTTON_TILE_SIZE(pos->tile_size);
8901
8902   if (pos->x == -1 &&
8903       pos->y == -1)
8904     return;
8905
8906   DrawSizedGraphicExt(drawto, DX + pos->x, DY + pos->y, graphic, 0, tile_size);
8907 }
8908
8909 static void ModifyDrawingElementButton(int element, int id)
8910 {
8911   struct GadgetInfo *gi = level_editor_gadget[id];
8912   Bitmap *deco_bitmap;
8913   int deco_x, deco_y;
8914   int tile_size = gi->deco.width;
8915
8916   getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
8917
8918   ModifyGadget(gi, GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y, GDI_END);
8919 }
8920
8921 static void PickDrawingElement(int button, int element)
8922 {
8923   struct
8924   {
8925     int *new_element;
8926     struct XYTileSize *pos;
8927     int id;
8928   } de, drawing_elements[] =
8929   {
8930     { &new_element1, &editor.palette.element_left,   GADGET_ID_ELEMENT_LEFT   },
8931     { &new_element2, &editor.palette.element_middle, GADGET_ID_ELEMENT_MIDDLE },
8932     { &new_element3, &editor.palette.element_right,  GADGET_ID_ELEMENT_RIGHT  },
8933   };
8934
8935   if (button < 1 || button > 3)
8936     return;
8937
8938   if (IS_MM_WALL(element))
8939     element = map_mm_wall_element(element);
8940
8941   de = drawing_elements[button - 1];
8942
8943   *de.new_element = element;    // update global drawing element variable
8944
8945   DrawDrawingElementGraphic(element, de.pos);
8946   ModifyDrawingElementButton(element, de.id);
8947
8948   redraw_mask |= REDRAW_DOOR_1;
8949 }
8950
8951 static void RedrawDrawingElements(void)
8952 {
8953   PickDrawingElement(1, new_element1);
8954   PickDrawingElement(2, new_element2);
8955   PickDrawingElement(3, new_element3);
8956 }
8957
8958 static void DrawDrawingWindowExt(boolean remap_toolbox_gadgets)
8959 {
8960   stick_element_properties_window = FALSE;
8961
8962   SetMainBackgroundImage(IMG_UNDEFINED);
8963   ClearField();
8964
8965   UnmapLevelEditorFieldGadgets();
8966
8967   AdjustDrawingAreaGadgets();
8968   AdjustLevelScrollPosition();
8969   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
8970   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
8971
8972   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
8973
8974   MapMainDrawingArea();
8975
8976   if (remap_toolbox_gadgets)
8977   {
8978     UnmapLevelEditorToolboxCustomGadgets();
8979     MapLevelEditorToolboxDrawingGadgets();
8980   }
8981 }
8982
8983 static void DrawDrawingWindow(void)
8984 {
8985   DrawDrawingWindowExt(TRUE);
8986 }
8987
8988 static int getTabulatorBarWidth(void)
8989 {
8990   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
8991   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
8992
8993   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
8994 }
8995
8996 static int getTabulatorBarHeight(void)
8997 {
8998   return ED_TAB_BAR_HEIGHT;
8999 }
9000
9001 static Pixel getTabulatorBarColor(void)
9002 {
9003   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
9004   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
9005   int gd_x = gd->x + gd_gi1->border.width / 2;
9006   int gd_y = gd->y + gd_gi1->height - 1;
9007
9008   return GetPixel(gd->bitmap, gd_x, gd_y);
9009 }
9010
9011 static void DrawLevelInfoTabulatorGadgets(void)
9012 {
9013   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
9014   Pixel tab_color = getTabulatorBarColor();
9015   int id_first = ED_TAB_BUTTON_ID_LEVELINFO_FIRST;
9016   int id_last  = ED_TAB_BUTTON_ID_LEVELINFO_LAST;
9017   int i;
9018
9019   for (i = id_first; i <= id_last; i++)
9020   {
9021     int gadget_id = textbutton_info[i].gadget_id;
9022     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9023     boolean active = (i != edit_mode_levelinfo);
9024
9025     // draw background line below tabulator button
9026     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
9027
9028     // draw solid line below inactive tabulator buttons
9029     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
9030       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
9031                     ED_GADGET_TINY_DISTANCE, tab_color);
9032
9033     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
9034     MapTextbuttonGadget(i);
9035   }
9036
9037   // draw little border line below tabulator buttons
9038   if (tab_color != BLACK_PIXEL)                 // black => transparent
9039     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
9040                   ED_GADGET_TINY_DISTANCE,
9041                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
9042 }
9043
9044 static void DrawPropertiesTabulatorGadgets(void)
9045 {
9046   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
9047   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
9048   int gd_x = gd->x + gd_gi1->border.width / 2;
9049   int gd_y = gd->y + gd_gi1->height - 1;
9050   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
9051   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
9052   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
9053   int i;
9054
9055   // draw two config tabulators for player elements
9056   if (ELEM_IS_PLAYER(properties_element))
9057     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
9058
9059   // draw two config and one "change" tabulator for custom elements
9060   if (IS_CUSTOM_ELEMENT(properties_element))
9061     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
9062
9063   for (i = id_first; i <= id_last; i++)
9064   {
9065     int gadget_id = textbutton_info[i].gadget_id;
9066     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9067     boolean active = (i != edit_mode_properties);
9068
9069     // use "config 1" and "config 2" instead of "config" for players and CEs
9070     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
9071         (ELEM_IS_PLAYER(properties_element) ||
9072          IS_CUSTOM_ELEMENT(properties_element)))
9073       continue;
9074
9075     // draw background line below tabulator button
9076     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
9077
9078     // draw solid line below inactive tabulator buttons
9079     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
9080       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
9081                     ED_GADGET_TINY_DISTANCE, tab_color);
9082
9083     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
9084     MapTextbuttonGadget(i);
9085   }
9086
9087   // draw little border line below tabulator buttons
9088   if (tab_color != BLACK_PIXEL)                 // black => transparent
9089     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
9090                   ED_GADGET_TINY_DISTANCE,
9091                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
9092 }
9093
9094 static void PrintInfoText(char *text, int font_nr, int xpos, int ypos)
9095 {
9096   DrawText(SX + xpos, SY + ypos, text, font_nr);
9097 }
9098
9099 static int PrintElementDescriptionFromFile(char *filename, int font_nr,
9100                                            int xpos, int ypos)
9101 {
9102   int font_width = getFontWidth(font_nr);
9103   int font_height = getFontHeight(font_nr);
9104   int max_chars_per_line = (SXSIZE - 2 * xpos) / font_width;
9105   int max_lines_drawable = (SYSIZE - ypos) / font_height - 1;
9106
9107   return DrawTextFile(SX + xpos, SY + ypos, filename, font_nr,
9108                       max_chars_per_line, -1, max_lines_drawable, 0, -1,
9109                       TRUE, FALSE, FALSE);
9110 }
9111
9112 static void DrawLevelInfoLevel(void)
9113 {
9114   int i;
9115
9116   // draw counter gadgets
9117   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
9118     MapCounterButtons(i);
9119
9120   // draw checkbutton gadgets
9121   for (i = ED_CHECKBUTTON_ID_LEVEL_FIRST; i<= ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
9122     MapCheckbuttonGadget(i);
9123
9124   // draw selectbox gadgets
9125   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
9126     MapSelectboxGadget(i);
9127
9128   // draw text input gadgets
9129   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
9130     MapTextInputGadget(i);
9131 }
9132
9133 static char *getLevelSubdirFromSaveMode(int save_mode)
9134 {
9135   if (save_mode == LEVELSET_SAVE_MODE_CREATE)
9136     return getNewUserLevelSubdir();
9137
9138   return leveldir_current->subdir;
9139 }
9140
9141 static void DrawLevelInfoLevelSet_DirectoryInfo(void)
9142 {
9143   char *directory_text = "Level set directory:";
9144   char *directory_name = getLevelSubdirFromSaveMode(levelset_save_mode);
9145   int font1_nr = FONT_TEXT_1;
9146   int font2_nr = FONT_TEXT_2;
9147   int font1_height = getFontHeight(font1_nr);
9148   int yoffset_above = font1_height + ED_GADGET_LINE_DISTANCE;
9149   int x = ED_LEVEL_SETTINGS_X(0);
9150   int y = ED_LEVEL_SETTINGS_Y(6);
9151
9152   PrintInfoText(directory_text, font1_nr, x, y - yoffset_above);
9153   PrintInfoText(directory_name, font2_nr, x, y);
9154 }
9155
9156 static void DrawLevelInfoLevelSet(void)
9157 {
9158   boolean artwork_exists = checkIfCustomArtworkExistsForCurrentLevelSet();
9159   boolean template_exists = fileExists(getLocalLevelTemplateFilename());
9160   int i;
9161
9162   // draw counter gadgets
9163   for (i = ED_COUNTER_ID_LEVELSET_FIRST; i <= ED_COUNTER_ID_LEVELSET_LAST; i++)
9164     MapCounterButtons(i);
9165
9166   // draw checkbutton gadgets
9167   for (i = ED_CHECKBUTTON_ID_LEVELSET_FIRST; i <= ED_CHECKBUTTON_ID_LEVELSET_LAST; i++)
9168   {
9169     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE ||
9170         (i == ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK && !artwork_exists) ||
9171         (i == ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE  && !template_exists))
9172       continue;
9173
9174     MapCheckbuttonGadget(i);
9175   }
9176
9177   // draw selectbox gadgets
9178   for (i = ED_SELECTBOX_ID_LEVELSET_FIRST; i <= ED_SELECTBOX_ID_LEVELSET_LAST; i++)
9179     MapSelectboxGadget(i);
9180
9181   // draw text input gadgets
9182   for (i = ED_TEXTINPUT_ID_LEVELSET_FIRST; i <= ED_TEXTINPUT_ID_LEVELSET_LAST; i++)
9183     MapTextInputGadget(i);
9184
9185   // draw textbutton gadgets
9186   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_LEVELSET);
9187
9188   // draw info text
9189   DrawLevelInfoLevelSet_DirectoryInfo();
9190 }
9191
9192 static void DrawLevelInfoEditor(void)
9193 {
9194   int i;
9195
9196   // draw counter gadgets
9197   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
9198     MapCounterButtons(i);
9199
9200   // draw checkbutton gadgets
9201   for (i=ED_CHECKBUTTON_ID_EDITOR_FIRST; i<= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
9202     MapCheckbuttonGadget(i);
9203
9204   // draw radiobutton gadgets
9205   for (i=ED_RADIOBUTTON_ID_EDITOR_FIRST; i<= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
9206     MapRadiobuttonGadget(i);
9207
9208   // draw drawing area
9209   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
9210
9211   // draw textbutton gadgets
9212   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2);
9213 }
9214
9215 static void DrawLevelInfoWindow(void)
9216 {
9217   char *text = "Global Settings";
9218   int font_nr = FONT_TITLE_1;
9219   struct MenuPosInfo *pos = &editor.settings.headline;
9220   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font_nr), pos->align);
9221   int sy = SY + pos->y;
9222
9223   stick_element_properties_window = FALSE;
9224
9225   SetAutomaticNumberOfGemsNeeded();
9226
9227   UnmapLevelEditorFieldGadgets();
9228
9229   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
9230   ClearField();
9231
9232   DrawText(sx, sy, text, font_nr);
9233
9234   DrawLevelInfoTabulatorGadgets();
9235
9236   if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVEL)
9237     DrawLevelInfoLevel();
9238   else if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVELSET)
9239     DrawLevelInfoLevelSet();
9240   else if (edit_mode_levelinfo == ED_MODE_LEVELINFO_EDITOR)
9241     DrawLevelInfoEditor();
9242 }
9243
9244 static void DrawCustomContentArea(void)
9245 {
9246   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
9247   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
9248   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
9249   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
9250   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
9251   int xoffset = ED_GADGET_SPACE_DISTANCE;
9252
9253   // add distance for potential left text (without drawing area border)
9254   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
9255
9256   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
9257
9258   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
9259 }
9260
9261 static void DrawCustomChangeContentArea(void)
9262 {
9263   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
9264   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
9265   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
9266   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
9267   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
9268   int xoffset = ED_GADGET_SPACE_DISTANCE;
9269
9270   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
9271
9272   MapDrawingArea(id);
9273 }
9274
9275 static void RemoveElementContentArea(int id, int font_height)
9276 {
9277   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9278
9279   DrawBackground(SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size,
9280                  SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size,
9281                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9282                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size +
9283                  ED_GADGET_TEXT_DISTANCE + font_height);
9284 }
9285
9286 static void DrawYamYamContentAreas(void)
9287 {
9288   int font_nr = FONT_TEXT_1;
9289   int font_height = getFontHeight(font_nr);
9290   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
9291   int yoffset = (tilesize - font_height) / 2;
9292   int x = SX + ED_AREA_YAMYAM_CONTENT_X(3) + 4 * tilesize;
9293   int y = SY + ED_AREA_YAMYAM_CONTENT_Y(3) + yoffset;
9294   int i;
9295
9296   // display counter to choose number of element content areas
9297   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
9298
9299   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
9300   {
9301     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
9302
9303     if (i < level.num_yamyam_contents)
9304     {
9305       MapDrawingArea(id);
9306     }
9307     else
9308     {
9309       UnmapDrawingArea(id);
9310
9311       // delete content areas in case of reducing number of them
9312       RemoveElementContentArea(id, font_height);
9313     }
9314   }
9315
9316   DrawText(x, y + 0 * tilesize, "content", font_nr);
9317   DrawText(x, y + 1 * tilesize, "when",    font_nr);
9318   DrawText(x, y + 2 * tilesize, "smashed", font_nr);
9319 }
9320
9321 static void DrawMagicBallContentAreas(void)
9322 {
9323   int font_nr = FONT_TEXT_1;
9324   int font_height = getFontHeight(font_nr);
9325   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
9326   int yoffset = (tilesize - font_height) / 2;
9327   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_X(3) + 4 * tilesize;
9328   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_Y(3) + yoffset;
9329   int i;
9330
9331   // display counter to choose number of element content areas
9332   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
9333
9334   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
9335   {
9336     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
9337
9338     if (i < level.num_ball_contents)
9339     {
9340       MapDrawingArea(id);
9341     }
9342     else
9343     {
9344       UnmapDrawingArea(id);
9345
9346       // delete content areas in case of reducing number of them
9347       RemoveElementContentArea(id, font_height);
9348     }
9349   }
9350
9351   DrawText(x, y + 0 * tilesize, "generated", font_nr);
9352   DrawText(x, y + 1 * tilesize, "when",      font_nr);
9353   DrawText(x, y + 2 * tilesize, "active",    font_nr);
9354 }
9355
9356 static void DrawAndroidElementArea(int element)
9357 {
9358   int id = ED_DRAWING_ID_ANDROID_CONTENT;
9359   int num_elements = level.num_android_clone_elements;
9360   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9361   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9362   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9363   int xsize = MAX_ANDROID_ELEMENTS;
9364   int ysize = 1;
9365
9366   // display counter to choose number of element areas
9367   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
9368
9369   if (drawingarea_info[id].text_left != NULL)
9370     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9371
9372   UnmapDrawingArea(id);
9373
9374   ModifyEditorDrawingArea(id, num_elements, 1);
9375
9376   // delete content areas in case of reducing number of them
9377   DrawBackground(sx, sy,
9378                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9379                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9380
9381   MapDrawingArea(id);
9382 }
9383
9384 static void DrawGroupElementArea(int element)
9385 {
9386   int id = ED_DRAWING_ID_GROUP_CONTENT;
9387   int num_elements = group_element_info.num_elements;
9388   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9389   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9390   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9391   int xsize = MAX_ELEMENTS_IN_GROUP;
9392   int ysize = 1;
9393
9394   if (drawingarea_info[id].text_left != NULL)
9395     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9396
9397   UnmapDrawingArea(id);
9398
9399   ModifyEditorDrawingArea(id, num_elements, 1);
9400
9401   // delete content areas in case of reducing number of them
9402   DrawBackground(sx, sy,
9403                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9404                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9405
9406   MapDrawingArea(id);
9407 }
9408
9409 static void DrawPlayerInitialInventoryArea(int element)
9410 {
9411   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
9412   int player_nr = GET_PLAYER_NR(element);
9413   int num_elements = level.initial_inventory_size[player_nr];
9414   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9415   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9416   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9417   int xsize = MAX_INITIAL_INVENTORY_SIZE;
9418   int ysize = 1;
9419
9420   // determine horizontal position to the right of specified gadget
9421   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
9422     sx = (right_gadget_border[drawingarea_info[id].gadget_id_align] +
9423           ED_DRAWINGAREA_TEXT_DISTANCE);
9424
9425   // determine horizontal offset for leading text
9426   if (drawingarea_info[id].text_left != NULL)
9427     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9428
9429   UnmapDrawingArea(id);
9430
9431   ModifyEditorDrawingArea(id, num_elements, 1);
9432
9433   // delete content areas in case of reducing number of them
9434   DrawBackground(sx, sy,
9435                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9436                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9437
9438   MapDrawingArea(id);
9439 }
9440
9441 static void DrawEnvelopeTextArea(int envelope_nr)
9442 {
9443   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
9444   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
9445
9446   UnmapGadget(gi);
9447   DrawBackground(gi->x, gi->y, gi->width, gi->height);
9448
9449   if (envelope_nr != -1)
9450     textarea_info[id].value = level.envelope[envelope_nr].text;
9451
9452   ModifyGadget(gi, GDI_AREA_SIZE,
9453                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
9454                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
9455                GDI_END);
9456
9457   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
9458 }
9459
9460 static void DrawPropertiesInfo(void)
9461 {
9462   static struct
9463   {
9464     int value;
9465     char *text;
9466   }
9467   properties[] =
9468   {
9469     // configurable properties
9470
9471     { EP_WALKABLE_OVER,         "- player can walk over it"             },
9472     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
9473     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
9474     { EP_PASSABLE_OVER,         "- player can pass over it"             },
9475     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
9476     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
9477     { EP_PROTECTED,             "- player is protected by it"           },
9478
9479     { EP_DIGGABLE,              "- can be digged away"                  },
9480     { EP_COLLECTIBLE,           "- can be collected"                    },
9481     { EP_DROPPABLE,             "- can be dropped after collecting"     },
9482     { EP_THROWABLE,             "- can be thrown after collecting"      },
9483     { EP_PUSHABLE,              "- can be pushed"                       },
9484
9485     { EP_CAN_FALL,              "- can fall"                            },
9486     { EP_CAN_MOVE,              "- can move"                            },
9487
9488     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
9489 #if 0
9490     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
9491 #endif
9492     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
9493
9494     { EP_SLIPPERY,              "- slippery for falling elements"       },
9495     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
9496
9497     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
9498     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
9499     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
9500     { EP_DONT_TOUCH,            "- deadly when touching"                },
9501
9502     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
9503
9504     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
9505     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
9506     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
9507
9508     { EP_CAN_CHANGE,            "- can change to other element"         },
9509
9510     // pre-defined properties
9511     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
9512     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
9513     { EP_SWITCHABLE,            "- can be switched"                     },
9514 #if 0
9515     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
9516 #endif
9517
9518     { -1,                       NULL                                    }
9519   };
9520   char *filename = getElementDescriptionFilename(properties_element);
9521   char *percentage_text = "In this level: ";
9522   char *properties_text = "Standard properties: ";
9523   char *description_text = "Description:";
9524   char *no_description_text = "No description available.";
9525   char *none_text = "None";
9526   float percentage;
9527   int num_elements_in_level;
9528   int num_standard_properties = 0;
9529   int font1_nr = FONT_TEXT_1;
9530   int font2_nr = FONT_TEXT_2;
9531   int font1_width = getFontWidth(font1_nr);
9532   int font1_height = getFontHeight(font1_nr);
9533   int font2_height = getFontHeight(font2_nr);
9534   int line1_height = font1_height + ED_GADGET_LINE_DISTANCE;
9535   int font2_yoffset = (font1_height - font2_height) / 2;
9536   int percentage_text_len = strlen(percentage_text) * font1_width;
9537   int properties_text_len = strlen(properties_text) * font1_width;
9538   int xpos = ED_ELEMENT_SETTINGS_X(0);
9539   int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
9540   int i, x, y;
9541
9542   if (setup.editor.show_element_token)
9543   {
9544     int font3_nr = FONT_TEXT_3;
9545     int font3_height = getFontHeight(font3_nr);
9546
9547     DrawTextF(xpos, ypos, font3_nr,
9548               "[%s]", element_info[properties_element].token_name);
9549
9550     ypos += 2 * font3_height;
9551   }
9552
9553   // ----- print number of elements / percentage of this element in level
9554
9555   num_elements_in_level = 0;
9556   for (y = 0; y < lev_fieldy; y++)
9557     for (x = 0; x < lev_fieldx; x++)
9558       if (Feld[x][y] == properties_element)
9559         num_elements_in_level++;
9560   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
9561
9562   DrawTextS(xpos, ypos, font1_nr, percentage_text);
9563
9564   if (num_elements_in_level > 0)
9565     DrawTextF(xpos + percentage_text_len, ypos + font2_yoffset, font2_nr,
9566               "%d (%.2f %%)", num_elements_in_level, percentage);
9567   else
9568     DrawTextF(xpos + percentage_text_len, ypos + font2_yoffset, font2_nr,
9569               none_text);
9570
9571   ypos += 2 * MAX(font1_height, font2_height);
9572
9573   // ----- print standard properties of this element
9574
9575   DrawTextS(xpos, ypos, font1_nr, properties_text);
9576
9577   ypos += line1_height;
9578
9579   for (i = 0; properties[i].value != -1; i++)
9580   {
9581     if (!HAS_PROPERTY(properties_element, properties[i].value))
9582       continue;
9583
9584     DrawTextS(xpos, ypos, font2_nr, properties[i].text);
9585
9586     ypos += font2_height;
9587
9588     num_standard_properties++;
9589   }
9590
9591   if (num_standard_properties == 0)
9592   {
9593     DrawTextS(xpos + properties_text_len, ypos - line1_height + font2_yoffset,
9594               font2_nr, none_text);
9595
9596     ypos -= (line1_height - font1_height);
9597   }
9598
9599   ypos += MAX(font1_height, font2_height);
9600
9601   // ----- print special description of this element
9602
9603   PrintInfoText(description_text, font1_nr, xpos, ypos);
9604
9605   ypos += line1_height;
9606
9607   if (PrintElementDescriptionFromFile(filename, font2_nr, xpos, ypos) == 0)
9608     PrintInfoText(no_description_text, font1_nr, xpos, ypos - line1_height);
9609 }
9610
9611 #define TEXT_COLLECTING         "Score for collecting"
9612 #define TEXT_SMASHING           "Score for smashing"
9613 #define TEXT_SLURPING           "Score for slurping robot"
9614 #define TEXT_CRACKING           "Score for cracking"
9615 #define TEXT_AMOEBA_SPEED       "Speed of amoeba growth"
9616 #define TEXT_DURATION           "Duration when activated"
9617 #define TEXT_DELAY_ON           "Delay before activating"
9618 #define TEXT_DELAY_OFF          "Delay before deactivating"
9619 #define TEXT_DELAY_EXPLODING    "Delay before exploding"
9620 #define TEXT_DELAY_MOVING       "Delay before moving"
9621 #define TEXT_BALL_DELAY         "Element generation delay"
9622 #define TEXT_MOVE_SPEED         "Speed of android moving"
9623 #define TEXT_CLONE_SPEED        "Speed of android cloning"
9624 #define TEXT_GAME_OF_LIFE_1     "Min neighbours to survive"
9625 #define TEXT_GAME_OF_LIFE_2     "Max neighbours to survive"
9626 #define TEXT_GAME_OF_LIFE_3     "Min neighbours to create"
9627 #define TEXT_GAME_OF_LIFE_4     "Max neighbours to create"
9628 #define TEXT_TIME_BONUS         "Extra time to solve level"
9629
9630 static struct
9631 {
9632   int element;
9633   int *value;
9634   char *text;
9635 } elements_with_counter[] =
9636 {
9637   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
9638   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
9639   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
9640   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
9641   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
9642   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
9643   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
9644   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
9645   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
9646   { EL_BUG,             &level.score[SC_BUG],           TEXT_SMASHING   },
9647   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
9648   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
9649   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
9650   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
9651   { EL_BD_BUTTERFLY,    &level.score[SC_BUG],           TEXT_SMASHING   },
9652   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
9653   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
9654   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
9655   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
9656   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
9657   { EL_SPACESHIP,       &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9658   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9659   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9660   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9661   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9662   { EL_BD_FIREFLY,      &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9663   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9664   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9665   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9666   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9667   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9668   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9669   { EL_YAMYAM_LEFT,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9670   { EL_YAMYAM_RIGHT,    &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9671   { EL_YAMYAM_UP,       &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9672   { EL_YAMYAM_DOWN,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9673   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9674   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
9675   { EL_PACMAN,          &level.score[SC_PACMAN],        TEXT_SMASHING   },
9676   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
9677   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
9678   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
9679   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
9680   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
9681   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
9682   { EL_EM_DYNAMITE,     &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
9683   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
9684   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],TEXT_COLLECTING },
9685   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],TEXT_COLLECTING },
9686   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
9687   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
9688   { EL_EXTRA_TIME,      &level.extra_time_score,        TEXT_COLLECTING },
9689   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
9690   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
9691   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
9692   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
9693   { EL_EM_KEY_1,        &level.score[SC_KEY],           TEXT_COLLECTING },
9694   { EL_EM_KEY_2,        &level.score[SC_KEY],           TEXT_COLLECTING },
9695   { EL_EM_KEY_3,        &level.score[SC_KEY],           TEXT_COLLECTING },
9696   { EL_EM_KEY_4,        &level.score[SC_KEY],           TEXT_COLLECTING },
9697   { EL_EMC_KEY_5,       &level.score[SC_KEY],           TEXT_COLLECTING },
9698   { EL_EMC_KEY_6,       &level.score[SC_KEY],           TEXT_COLLECTING },
9699   { EL_EMC_KEY_7,       &level.score[SC_KEY],           TEXT_COLLECTING },
9700   { EL_EMC_KEY_8,       &level.score[SC_KEY],           TEXT_COLLECTING },
9701   { EL_DC_KEY_WHITE,    &level.score[SC_KEY],           TEXT_COLLECTING },
9702   { EL_MM_KETTLE,       &level.score[SC_EMERALD],       TEXT_COLLECTING },
9703   { EL_DF_CELL,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
9704   { EL_MM_KEY,          &level.score[SC_KEY],           TEXT_COLLECTING },
9705   { EL_MM_LIGHTBALL,    &level.score[SC_ELEM_BONUS],    TEXT_COLLECTING },
9706   { EL_MM_PACMAN,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
9707   { EL_MM_PACMAN_RIGHT, &level.score[SC_PACMAN],        TEXT_SMASHING   },
9708   { EL_MM_PACMAN_UP,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
9709   { EL_MM_PACMAN_LEFT,  &level.score[SC_PACMAN],        TEXT_SMASHING   },
9710   { EL_MM_PACMAN_DOWN,  &level.score[SC_PACMAN],        TEXT_SMASHING   },
9711   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9712   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9713   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9714   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9715   { EL_EMC_DRIPPER,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9716   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
9717   { EL_BD_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
9718   { EL_DC_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
9719   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
9720
9721   { EL_TIMEGATE_SWITCH,   &level.time_timegate,         TEXT_DURATION   },
9722   { EL_DC_TIMEGATE_SWITCH,&level.time_timegate,         TEXT_DURATION   },
9723   { EL_LIGHT_SWITCH,    &level.time_light,              TEXT_DURATION   },
9724   { EL_LIGHT_SWITCH_ACTIVE, &level.time_light,          TEXT_DURATION   },
9725   { EL_SHIELD_NORMAL,   &level.shield_normal_time,      TEXT_DURATION   },
9726   { EL_SHIELD_DEADLY,   &level.shield_deadly_time,      TEXT_DURATION   },
9727   { EL_EXTRA_TIME,      &level.extra_time,              TEXT_TIME_BONUS },
9728   { EL_TIME_ORB_FULL,   &level.time_orb_time,           TEXT_TIME_BONUS },
9729   { EL_GAME_OF_LIFE,    &level.game_of_life[0],         TEXT_GAME_OF_LIFE_1 },
9730   { EL_GAME_OF_LIFE,    &level.game_of_life[1],         TEXT_GAME_OF_LIFE_2 },
9731   { EL_GAME_OF_LIFE,    &level.game_of_life[2],         TEXT_GAME_OF_LIFE_3 },
9732   { EL_GAME_OF_LIFE,    &level.game_of_life[3],         TEXT_GAME_OF_LIFE_4 },
9733   { EL_BIOMAZE,         &level.biomaze[0],              TEXT_GAME_OF_LIFE_1 },
9734   { EL_BIOMAZE,         &level.biomaze[1],              TEXT_GAME_OF_LIFE_2 },
9735   { EL_BIOMAZE,         &level.biomaze[2],              TEXT_GAME_OF_LIFE_3 },
9736   { EL_BIOMAZE,         &level.biomaze[3],              TEXT_GAME_OF_LIFE_4 },
9737
9738   { EL_EMC_ANDROID,     &level.android_move_time,       TEXT_MOVE_SPEED },
9739   { EL_EMC_ANDROID,     &level.android_clone_time,      TEXT_CLONE_SPEED },
9740   { EL_EMC_MAGIC_BALL,  &level.ball_time,               TEXT_BALL_DELAY },
9741   { EL_EMC_LENSES,      &level.lenses_score,            TEXT_COLLECTING },
9742   { EL_EMC_MAGNIFIER,   &level.magnify_score,           TEXT_COLLECTING },
9743   { EL_SPRING,          &level.slurp_score,             TEXT_SLURPING   },
9744   { EL_SPRING_LEFT,     &level.slurp_score,             TEXT_SLURPING   },
9745   { EL_SPRING_RIGHT,    &level.slurp_score,             TEXT_SLURPING   },
9746   { EL_EMC_LENSES,      &level.lenses_time,             TEXT_DURATION   },
9747   { EL_EMC_MAGNIFIER,   &level.magnify_time,            TEXT_DURATION   },
9748   { EL_MM_FUSE_ACTIVE,  &level.mm_time_fuse,            TEXT_DELAY_OFF  },
9749   { EL_MM_BOMB,         &level.mm_time_bomb,            TEXT_DELAY_EXPLODING },
9750   { EL_MM_GRAY_BALL,    &level.mm_time_ball,            TEXT_DELAY_ON   },
9751   { EL_MM_STEEL_BLOCK,  &level.mm_time_block,           TEXT_DELAY_MOVING },
9752   { EL_MM_WOODEN_BLOCK, &level.mm_time_block,           TEXT_DELAY_MOVING },
9753
9754   { -1,                 NULL,                           NULL            }
9755 };
9756
9757 static boolean checkPropertiesConfig(int element)
9758 {
9759   int i;
9760
9761   if (IS_GEM(element) ||
9762       IS_CUSTOM_ELEMENT(element) ||
9763       IS_GROUP_ELEMENT(element) ||
9764       IS_BALLOON_ELEMENT(element) ||
9765       IS_ENVELOPE(element) ||
9766       IS_MM_MCDUFFIN(element) ||
9767       IS_DF_LASER(element) ||
9768       ELEM_IS_PLAYER(element) ||
9769       HAS_EDITOR_CONTENT(element) ||
9770       CAN_GROW(element) ||
9771       COULD_MOVE_INTO_ACID(element) ||
9772       MAYBE_DONT_COLLIDE_WITH(element) ||
9773       element == EL_SOKOBAN_OBJECT ||
9774       element == EL_SOKOBAN_FIELD_EMPTY ||
9775       element == EL_SOKOBAN_FIELD_FULL)
9776     return TRUE;
9777   else
9778     for (i = 0; elements_with_counter[i].element != -1; i++)
9779       if (elements_with_counter[i].element == element)
9780         return TRUE;
9781
9782   return FALSE;
9783 }
9784
9785 static void SetAutomaticNumberOfGemsNeeded(void)
9786 {
9787   int x, y;
9788
9789   if (!level.auto_count_gems)
9790     return;
9791
9792   level.gems_needed = 0;
9793
9794   for (x = 0; x < lev_fieldx; x++)
9795   {
9796     for (y = 0; y < lev_fieldy; y++)
9797     {
9798       int element = Feld[x][y];
9799
9800       switch (element)
9801       {
9802         case EL_EMERALD:
9803         case EL_EMERALD_YELLOW:
9804         case EL_EMERALD_RED:
9805         case EL_EMERALD_PURPLE:
9806         case EL_BD_DIAMOND:
9807         case EL_WALL_EMERALD:
9808         case EL_WALL_EMERALD_YELLOW:
9809         case EL_WALL_EMERALD_RED:
9810         case EL_WALL_EMERALD_PURPLE:
9811         case EL_WALL_BD_DIAMOND:
9812         case EL_NUT:
9813         case EL_SP_INFOTRON:
9814         case EL_MM_KETTLE:
9815         case EL_DF_CELL:
9816           level.gems_needed++;
9817           break;
9818
9819         case EL_DIAMOND:
9820         case EL_WALL_DIAMOND:
9821           level.gems_needed += 3;
9822           break;
9823
9824         case EL_PEARL:
9825         case EL_WALL_PEARL:
9826           level.gems_needed += 5;
9827           break;
9828
9829         case EL_CRYSTAL:
9830         case EL_WALL_CRYSTAL:
9831           level.gems_needed += 8;
9832           break;
9833
9834         default:
9835           break;
9836       }
9837     }
9838   }
9839
9840   ModifyEditorCounterValue(ED_COUNTER_ID_LEVEL_GEMSLIMIT, level.gems_needed);
9841 }
9842
9843 static void DrawPropertiesConfig(void)
9844 {
9845   boolean draw_footer_line = FALSE;
9846   int max_num_element_counters = 4;
9847   int num_element_counters = 0;
9848   int i;
9849
9850   if (!checkPropertiesConfig(properties_element))
9851   {
9852     int xpos = ED_ELEMENT_SETTINGS_X(0);
9853     int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
9854
9855     PrintInfoText("No configuration options available.",
9856                   FONT_TEXT_1, xpos, ypos);
9857
9858     return;
9859   }
9860
9861   // check if there are elements where a value can be chosen for
9862   for (i = 0; elements_with_counter[i].element != -1; i++)
9863   {
9864     if (elements_with_counter[i].element == properties_element)
9865     {
9866       int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
9867
9868       counterbutton_info[counter_id].y =
9869         ED_ELEMENT_SETTINGS_YPOS(
9870                 (HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
9871                 (CAN_GROW(properties_element)                ? 1 : 0) +
9872                 (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
9873                 (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
9874                 (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
9875                 num_element_counters);
9876
9877       counterbutton_info[counter_id].value = elements_with_counter[i].value;
9878       counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
9879
9880       if (properties_element == EL_GAME_OF_LIFE ||
9881           properties_element == EL_BIOMAZE)
9882       {
9883         counterbutton_info[counter_id].min_value = 0;   // min neighbours
9884         counterbutton_info[counter_id].max_value = 8;   // max neighbours
9885       }
9886       else
9887       {
9888         // !!! CHANGE THIS FOR CERTAIN ELEMENTS !!!
9889         counterbutton_info[counter_id].min_value = MIN_SCORE;
9890         counterbutton_info[counter_id].max_value = MAX_SCORE;
9891       }
9892
9893       MapCounterButtons(counter_id);
9894
9895       num_element_counters++;
9896       if (num_element_counters >= max_num_element_counters)
9897         break;
9898     }
9899   }
9900
9901   if (HAS_EDITOR_CONTENT(properties_element))
9902   {
9903     // draw stickybutton gadget
9904     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9905
9906     if (IS_AMOEBOID(properties_element))
9907       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
9908     else if (properties_element == EL_YAMYAM ||
9909              properties_element == EL_YAMYAM_LEFT ||
9910              properties_element == EL_YAMYAM_RIGHT ||
9911              properties_element == EL_YAMYAM_UP ||
9912              properties_element == EL_YAMYAM_DOWN)
9913       DrawYamYamContentAreas();
9914     else if (properties_element == EL_EMC_MAGIC_BALL)
9915     {
9916       DrawMagicBallContentAreas();
9917
9918       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
9919       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE);
9920     }
9921     else if (properties_element == EL_EMC_ANDROID)
9922       DrawAndroidElementArea(properties_element);
9923   }
9924
9925   if (ELEM_IS_PLAYER(properties_element))
9926   {
9927     int player_nr = GET_PLAYER_NR(properties_element);
9928
9929     // these properties can be set for every player individually
9930
9931     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
9932     {
9933       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
9934         &level.start_element[player_nr];
9935       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
9936         &level.artwork_element[player_nr];
9937       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
9938         &level.explosion_element[player_nr];
9939
9940       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
9941         &level.use_start_element[player_nr];
9942       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
9943         &level.use_artwork_element[player_nr];
9944       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
9945         &level.use_explosion_element[player_nr];
9946       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
9947         &level.initial_player_gravity[player_nr];
9948
9949       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
9950         &level.initial_player_stepsize[player_nr];
9951
9952       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
9953       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
9954                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
9955                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
9956       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
9957       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
9958       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
9959       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
9960       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_LAZY_RELOCATION);
9961       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
9962       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
9963       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
9964       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
9965       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
9966       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER);
9967
9968       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
9969       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
9970       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
9971
9972       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
9973     }
9974     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
9975     {
9976       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
9977         &level.initial_inventory_content[player_nr][0];
9978
9979       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
9980         &level.initial_inventory_size[player_nr];
9981
9982       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
9983         &level.use_initial_inventory[player_nr];
9984
9985       // draw checkbutton gadgets
9986       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
9987
9988       // draw counter gadgets
9989       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
9990
9991       // draw drawing area gadgets
9992       DrawPlayerInitialInventoryArea(properties_element);
9993     }
9994   }
9995
9996   if (IS_GEM(properties_element))
9997     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
9998
9999   if (properties_element == EL_EM_DYNAMITE)
10000     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
10001
10002   if (COULD_MOVE_INTO_ACID(properties_element) &&
10003       !ELEM_IS_PLAYER(properties_element) &&
10004       (!IS_CUSTOM_ELEMENT(properties_element) ||
10005        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
10006   {
10007     // set position for checkbutton for "can move into acid"
10008     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
10009       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
10010     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
10011       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 6 :
10012                                IS_BALLOON_ELEMENT(properties_element) ||
10013                                HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
10014
10015     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
10016   }
10017
10018   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
10019     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
10020
10021   if (properties_element == EL_SPRING ||
10022       properties_element == EL_SPRING_LEFT ||
10023       properties_element == EL_SPRING_RIGHT)
10024     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
10025
10026   if (properties_element == EL_TIME_ORB_FULL)
10027     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
10028
10029   if (properties_element == EL_GAME_OF_LIFE ||
10030       properties_element == EL_BIOMAZE)
10031     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_LIFE_BUGS);
10032
10033   if (CAN_GROW(properties_element))
10034   {
10035     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
10036       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
10037
10038     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
10039   }
10040
10041   if (properties_element == EL_SOKOBAN_FIELD_EMPTY)
10042     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED);
10043
10044   if (properties_element == EL_SOKOBAN_OBJECT)
10045     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED);
10046
10047   if (properties_element == EL_SOKOBAN_OBJECT ||
10048       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
10049       properties_element == EL_SOKOBAN_FIELD_FULL)
10050   {
10051     checkbutton_info[ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN].y =
10052       ED_ELEMENT_SETTINGS_XPOS(properties_element == EL_SOKOBAN_FIELD_FULL ?
10053                                0 : 1);
10054
10055     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
10056   }
10057
10058   if (IS_BALLOON_ELEMENT(properties_element))
10059     MapSelectboxGadget(ED_SELECTBOX_ID_WIND_DIRECTION);
10060
10061   if (IS_ENVELOPE(properties_element))
10062   {
10063     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
10064     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
10065     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
10066     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
10067     int envelope_nr = properties_element - EL_ENVELOPE_1;
10068
10069     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
10070     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
10071
10072     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
10073     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
10074
10075     // display counter to choose size of envelope text area
10076     MapCounterButtons(counter1_id);
10077     MapCounterButtons(counter2_id);
10078
10079     // display checkbuttons to choose auto-wrap and alignment properties
10080     MapCheckbuttonGadget(button1_id);
10081     MapCheckbuttonGadget(button2_id);
10082
10083     DrawEnvelopeTextArea(envelope_nr);
10084   }
10085
10086   if (IS_MM_MCDUFFIN(properties_element))
10087   {
10088     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_RED);
10089     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_GREEN);
10090     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_BLUE);
10091   }
10092
10093   if (IS_DF_LASER(properties_element))
10094   {
10095     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_RED);
10096     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_GREEN);
10097     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_BLUE);
10098   }
10099
10100   if (IS_CUSTOM_ELEMENT(properties_element))
10101   {
10102     // draw stickybutton gadget
10103     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
10104
10105     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
10106     {
10107       // draw checkbutton gadgets
10108       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
10109            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
10110         MapCheckbuttonGadget(i);
10111
10112       // draw counter gadgets
10113       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
10114            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
10115         MapCounterButtons(i);
10116
10117       // draw selectbox gadgets
10118       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
10119            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
10120         MapSelectboxGadget(i);
10121
10122       // draw textbutton gadgets
10123       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
10124
10125       // draw text input gadgets
10126       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
10127
10128       // draw drawing area gadgets
10129       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
10130
10131       draw_footer_line = TRUE;
10132     }
10133     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
10134     {
10135       // draw checkbutton gadgets
10136       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
10137            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
10138         MapCheckbuttonGadget(i);
10139
10140       // draw counter gadgets
10141       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
10142            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
10143         MapCounterButtons(i);
10144
10145       // draw selectbox gadgets
10146       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
10147            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
10148         MapSelectboxGadget(i);
10149
10150       // draw drawing area gadgets
10151       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
10152       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
10153       DrawCustomContentArea();
10154     }
10155   }
10156   else if (IS_GROUP_ELEMENT(properties_element))
10157   {
10158     // draw stickybutton gadget
10159     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
10160
10161     // draw checkbutton gadgets
10162     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
10163     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
10164
10165     // draw counter gadgets
10166     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
10167
10168     // draw selectbox gadgets
10169     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
10170
10171     // draw textbutton gadgets
10172     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
10173
10174     // draw drawing area gadgets
10175     DrawGroupElementArea(properties_element);
10176
10177     // draw text input gadgets
10178     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
10179
10180     // draw drawing area gadgets
10181     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
10182
10183     draw_footer_line = TRUE;
10184   }
10185
10186   // draw little footer border line above CE/GE use/save template gadgets
10187   if (draw_footer_line)
10188   {
10189     struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
10190     struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
10191     int gd_x = gd->x + gd_gi1->border.width / 2;
10192     int gd_y = gd->y + gd_gi1->height - 1;
10193     Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
10194
10195     if (tab_color != BLACK_PIXEL)               // black => transparent
10196       FillRectangle(drawto,
10197                     SX + ED_ELEMENT_SETTINGS_X(0),
10198                     SY + ED_ELEMENT_SETTINGS_Y(14) - ED_SETTINGS_TABS_YOFFSET -
10199                     ED_TAB_BAR_HEIGHT,
10200                     getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
10201   }
10202 }
10203
10204 static void DrawPropertiesChangeDrawingAreas(void)
10205 {
10206   if (IS_CUSTOM_ELEMENT(properties_element))
10207   {
10208     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
10209     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
10210     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
10211
10212     DrawCustomChangeContentArea();
10213   }
10214
10215   redraw_mask |= REDRAW_FIELD;
10216 }
10217
10218 static void DrawPropertiesChange(void)
10219 {
10220   int i;
10221
10222   // needed to initially set selectbox options for special action options
10223   setSelectboxSpecialActionOptions();
10224
10225   // draw stickybutton gadget
10226   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
10227
10228   // draw checkbutton gadgets
10229   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
10230        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
10231     MapCheckbuttonGadget(i);
10232
10233   // draw counter gadgets
10234   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
10235        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
10236     MapCounterButtons(i);
10237
10238   // draw selectbox gadgets
10239   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
10240        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
10241     MapSelectboxGadget(i);
10242
10243   // draw textbutton gadgets
10244   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
10245        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
10246     MapTextbuttonGadget(i);
10247
10248   // draw graphicbutton gadgets
10249   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
10250        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
10251     MapGraphicbuttonGadget(i);
10252
10253   // draw drawing area gadgets
10254   DrawPropertiesChangeDrawingAreas();
10255 }
10256
10257 static void DrawEditorElementAnimation(int x, int y)
10258 {
10259   int graphic = el2img(properties_element);
10260   int frame = (ANIM_MODE(graphic) == ANIM_CE_VALUE ?
10261                custom_element.ce_value_fixed_initial :
10262                ANIM_MODE(graphic) == ANIM_CE_SCORE ?
10263                custom_element.collect_score_initial : FrameCounter);
10264
10265   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
10266 }
10267
10268 static void DrawEditorElementName(int x, int y, int font_nr)
10269 {
10270   char *element_name = getElementInfoText(properties_element);
10271   int font_width = getFontWidth(font_nr);
10272   int font_height = getFontHeight(font_nr);
10273   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_X(0);
10274   int max_chars_per_line = max_text_width / font_width;
10275   char buffer[max_chars_per_line + 1];
10276
10277   if (strlen(element_name) <= max_chars_per_line)
10278     DrawTextS(x, y, font_nr, element_name);
10279   else
10280   {
10281     int next_pos = max_chars_per_line;
10282
10283     strncpy(buffer, element_name, max_chars_per_line);
10284     buffer[max_chars_per_line] = '\0';
10285
10286     if (element_name[max_chars_per_line] == ' ')
10287       next_pos++;
10288     else
10289     {
10290       int i;
10291
10292       for (i = max_chars_per_line - 1; i >= 0; i--)
10293         if (buffer[i] == ' ')
10294           break;
10295
10296       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
10297       {
10298         buffer[i] = '\0';
10299         next_pos = i + 1;
10300       }
10301     }
10302
10303     DrawTextS(x, y - font_height / 2, font_nr, buffer);
10304
10305     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
10306     buffer[max_chars_per_line] = '\0';
10307
10308     DrawTextS(x, y + font_height / 2, font_nr, buffer);
10309   }
10310 }
10311
10312 static void DrawPropertiesWindow(void)
10313 {
10314   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
10315   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
10316   int border_size = gd->border_size;
10317   int font_nr = FONT_TEXT_1;
10318   int font_height = getFontHeight(font_nr);
10319   int xoffset = TILEX + element_border + 3 * border_size;
10320   int yoffset = (TILEY - font_height) / 2;
10321   int x1 = editor.settings.element_graphic.x + element_border;
10322   int y1 = editor.settings.element_graphic.y + element_border;
10323   int x2 = (editor.settings.element_name.x == -1 ? x1 + xoffset :
10324             editor.settings.element_name.x);
10325   int y2 = (editor.settings.element_name.y == -1 ? y1 + yoffset :
10326             editor.settings.element_name.y);
10327   char *text = "Element Settings";
10328   int font2_nr = FONT_TITLE_1;
10329   struct MenuPosInfo *pos = &editor.settings.headline;
10330   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font2_nr), pos->align);
10331   int sy = SY + pos->y;
10332
10333   stick_element_properties_window = FALSE;
10334
10335   // make sure that previous properties edit mode exists for this element
10336   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
10337       !IS_CUSTOM_ELEMENT(properties_element))
10338     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
10339
10340   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
10341       !ELEM_IS_PLAYER(properties_element) &&
10342       !IS_CUSTOM_ELEMENT(properties_element))
10343     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
10344
10345   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
10346       (ELEM_IS_PLAYER(properties_element) ||
10347        IS_CUSTOM_ELEMENT(properties_element)))
10348     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
10349
10350   CopyElementPropertiesToEditor(properties_element);
10351
10352   UnmapLevelEditorFieldGadgets();
10353   UnmapLevelEditorToolboxDrawingGadgets();
10354   UnmapLevelEditorToolboxCustomGadgets();
10355
10356   if (IS_CUSTOM_ELEMENT(properties_element) ||
10357       IS_GROUP_ELEMENT(properties_element))
10358     MapLevelEditorToolboxCustomGadgets();
10359
10360   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
10361   ClearField();
10362
10363   DrawText(sx, sy, text, font2_nr);
10364
10365   FrameCounter = 0;     // restart animation frame counter
10366
10367   DrawElementBorder(SX + x1, SY + y1, TILEX, TILEY, FALSE);
10368   DrawEditorElementAnimation(SX + x1, SY + y1);
10369   DrawEditorElementName(x2, y2, font_nr);
10370
10371   DrawPropertiesTabulatorGadgets();
10372
10373   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
10374     DrawPropertiesInfo();
10375   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
10376     DrawPropertiesChange();
10377   else  // (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2])
10378     DrawPropertiesConfig();
10379 }
10380
10381 static void DrawPaletteWindow(void)
10382 {
10383   int i;
10384
10385   UnmapLevelEditorFieldGadgets();
10386
10387   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
10388   ClearField();
10389
10390   // map buttons to select elements
10391   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
10392     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
10393   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
10394   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
10395   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
10396 }
10397
10398 static void UpdateCustomElementGraphicGadgets(void)
10399 {
10400   int i;
10401
10402   InitElementPropertiesGfxElement();
10403
10404   ModifyEditorElementList();
10405   RedrawDrawingElements();
10406
10407   // force redraw of all mapped drawing area gadgets
10408   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
10409   {
10410     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
10411
10412     if (gi->mapped)
10413       MapDrawingArea(i);
10414   }
10415 }
10416
10417 static int getOpenDirectionFromTube(int element)
10418 {
10419   switch (element)
10420   {
10421     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
10422     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
10423     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
10424     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
10425     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
10426     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
10427     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
10428     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
10429     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
10430     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
10431     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
10432   }
10433
10434   return MV_NONE;
10435 }
10436
10437 static int getTubeFromOpenDirection(int direction)
10438 {
10439   switch (direction)
10440   {
10441     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
10442     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
10443     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
10444     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
10445     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
10446     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
10447     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
10448     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
10449     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
10450     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
10451     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
10452
10453     // if only one direction, fall back to simple tube with that direction
10454     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
10455     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
10456     case (MV_UP):                       return EL_TUBE_VERTICAL;
10457     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
10458   }
10459
10460   return EL_EMPTY;
10461 }
10462
10463 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
10464 {
10465   int element_new = getTubeFromOpenDirection(direction);
10466
10467   return (element_new != EL_EMPTY ? element_new : element_old);
10468 }
10469
10470 static int getOpenDirectionFromBelt(int element)
10471 {
10472   int belt_dir = getBeltDirFromBeltElement(element);
10473
10474   return (belt_dir == MV_LEFT ? MV_RIGHT :
10475           belt_dir == MV_RIGHT ? MV_LEFT :
10476           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
10477 }
10478
10479 static int getBeltFromNrAndOpenDirection(int nr, int direction)
10480 {
10481   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
10482                   direction == MV_RIGHT ? MV_LEFT :
10483                   direction == MV_HORIZONTAL ? MV_NONE : direction);
10484
10485   if (direction == MV_NONE)
10486     return EL_EMPTY;
10487
10488   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
10489 }
10490
10491 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
10492                                                  int element_old)
10493 {
10494   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
10495
10496   return (element_new != EL_EMPTY ? element_new : element_old);
10497 }
10498
10499 static int getOpenDirectionFromPool(int element)
10500 {
10501   switch (element)
10502   {
10503     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
10504     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
10505     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
10506     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
10507     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
10508     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
10509   }
10510
10511   return MV_NONE;
10512 }
10513
10514 static int getPoolFromOpenDirection(int direction)
10515 {
10516   switch (direction)
10517   {
10518     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
10519     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
10520     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
10521     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
10522     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
10523     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
10524   }
10525
10526   return EL_EMPTY;
10527 }
10528
10529 static int getPoolFromOpenDirectionExt(int direction, int help_element)
10530 {
10531   int element = getPoolFromOpenDirection(direction);
10532   int help_direction = getOpenDirectionFromPool(help_element);
10533
10534   if (element == EL_EMPTY)
10535   {
10536     int help_direction_vertical = help_direction & MV_VERTICAL;
10537
10538     element = getPoolFromOpenDirection(direction | help_direction_vertical);
10539   }
10540
10541   if (element == EL_EMPTY)
10542   {
10543     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
10544
10545     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
10546   }
10547
10548   return element;
10549 }
10550
10551 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
10552 {
10553   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
10554
10555   return (element_new != EL_EMPTY ? element_new : element_old);
10556 }
10557
10558 static int getOpenDirectionFromPillar(int element)
10559 {
10560   switch (element)
10561   {
10562     case EL_EMC_WALL_1:                 return (MV_DOWN);
10563     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
10564     case EL_EMC_WALL_3:                 return (MV_UP);
10565   }
10566
10567   return MV_NONE;
10568 }
10569
10570 static int getPillarFromOpenDirection(int direction)
10571 {
10572   switch (direction)
10573   {
10574     case (MV_DOWN):                     return EL_EMC_WALL_1;
10575     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
10576     case (MV_UP):                       return EL_EMC_WALL_3;
10577   }
10578
10579   return EL_EMPTY;
10580 }
10581
10582 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
10583 {
10584   int element_new = getPillarFromOpenDirection(direction);
10585
10586   return (element_new != EL_EMPTY ? element_new : element_old);
10587 }
10588
10589 static int getOpenDirectionFromSteel2(int element)
10590 {
10591   switch (element)
10592   {
10593     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
10594     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
10595     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
10596     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
10597     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
10598     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
10599     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
10600     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
10601   }
10602
10603   return MV_NONE;
10604 }
10605
10606 static int getSteel2FromOpenDirection(int direction)
10607 {
10608   switch (direction)
10609   {
10610     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
10611     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
10612     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
10613     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
10614     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
10615     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
10616     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
10617     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
10618   }
10619
10620   return EL_EMPTY;
10621 }
10622
10623 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
10624 {
10625   int element_new = getSteel2FromOpenDirection(direction);
10626
10627   return (element_new != EL_EMPTY ? element_new : element_old);
10628 }
10629
10630 static int getOpenDirectionFromChip(int element)
10631 {
10632   switch (element)
10633   {
10634     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
10635     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
10636     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
10637     case EL_SP_CHIP_TOP:                return (MV_DOWN);
10638     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
10639   }
10640
10641   return MV_NONE;
10642 }
10643
10644 static int getChipFromOpenDirection(int direction)
10645 {
10646   switch (direction)
10647   {
10648     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
10649     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
10650     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
10651     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
10652     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
10653   }
10654
10655   return EL_EMPTY;
10656 }
10657
10658 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
10659 {
10660   int element_new = getChipFromOpenDirection(direction);
10661
10662   return (element_new != EL_EMPTY ? element_new : element_old);
10663 }
10664
10665 static int getClosedTube(int x, int y)
10666 {
10667   static int xy[4][2] =
10668   {
10669     { -1, 0 },
10670     { +1, 0 },
10671     { 0, -1 },
10672     { 0, +1 }
10673   };
10674   int element_old = IntelliDrawBuffer[x][y];
10675   int direction_old = getOpenDirectionFromTube(element_old);
10676   int direction_new = MV_NONE;
10677   int i;
10678
10679   for (i = 0; i < NUM_DIRECTIONS; i++)
10680   {
10681     int xx = x + xy[i][0];
10682     int yy = y + xy[i][1];
10683     int dir = MV_DIR_FROM_BIT(i);
10684     int dir_opposite = MV_DIR_OPPOSITE(dir);
10685
10686     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
10687         (direction_old & dir) &&
10688         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10689       direction_new |= dir;
10690   }
10691
10692   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
10693 }
10694
10695 static int getClosedBelt(int x, int y)
10696 {
10697   static int xy[4][2] =
10698   {
10699     { -1, 0 },
10700     { +1, 0 },
10701     { 0, -1 },
10702     { 0, +1 }
10703   };
10704   int element_old = IntelliDrawBuffer[x][y];
10705   int nr = getBeltNrFromBeltElement(element_old);
10706   int direction_old = getOpenDirectionFromBelt(element_old);
10707   int direction_new = MV_NONE;
10708   int i;
10709
10710   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
10711   {
10712     int xx = x + xy[i][0];
10713     int yy = y + xy[i][1];
10714     int dir = MV_DIR_FROM_BIT(i);
10715     int dir_opposite = MV_DIR_OPPOSITE(dir);
10716
10717     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
10718         (direction_old & dir) &&
10719         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10720       direction_new |= dir;
10721   }
10722
10723   return getBeltFromNrAndOpenDirection(nr, direction_new);
10724 }
10725
10726 static int getClosedPool(int x, int y)
10727 {
10728   static int xy[4][2] =
10729   {
10730     { -1, 0 },
10731     { +1, 0 },
10732     { 0, -1 },
10733     { 0, +1 }
10734   };
10735   int element_old = IntelliDrawBuffer[x][y];
10736   int direction_old = getOpenDirectionFromPool(element_old);
10737   int direction_new = MV_NONE;
10738   int i;
10739
10740   for (i = 0; i < NUM_DIRECTIONS; i++)
10741   {
10742     int xx = x + xy[i][0];
10743     int yy = y + xy[i][1];
10744     int dir = MV_DIR_FROM_BIT(i);
10745     int dir_opposite = MV_DIR_OPPOSITE(dir);
10746
10747     if (IN_LEV_FIELD(xx, yy) &&
10748         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
10749         (direction_old & dir) &&
10750         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10751       direction_new |= dir;
10752   }
10753
10754   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
10755 }
10756
10757 static int getClosedPillar(int x, int y)
10758 {
10759   static int xy[4][2] =
10760   {
10761     { -1, 0 },
10762     { +1, 0 },
10763     { 0, -1 },
10764     { 0, +1 }
10765   };
10766   int element_old = IntelliDrawBuffer[x][y];
10767   int direction_old = getOpenDirectionFromPillar(element_old);
10768   int direction_new = MV_NONE;
10769   int i;
10770
10771   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
10772   {
10773     int xx = x + xy[i][0];
10774     int yy = y + xy[i][1];
10775     int dir = MV_DIR_FROM_BIT(i);
10776     int dir_opposite = MV_DIR_OPPOSITE(dir);
10777
10778     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
10779         (direction_old & dir) &&
10780         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10781       direction_new |= dir;
10782   }
10783
10784   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
10785 }
10786
10787 static int getClosedSteel2(int x, int y)
10788 {
10789   static int xy[4][2] =
10790   {
10791     { -1, 0 },
10792     { +1, 0 },
10793     { 0, -1 },
10794     { 0, +1 }
10795   };
10796   int element_old = IntelliDrawBuffer[x][y];
10797   int direction_old = getOpenDirectionFromSteel2(element_old);
10798   int direction_new = MV_NONE;
10799   int i;
10800
10801   for (i = 0; i < NUM_DIRECTIONS; i++)
10802   {
10803     int xx = x + xy[i][0];
10804     int yy = y + xy[i][1];
10805     int dir = MV_DIR_FROM_BIT(i);
10806     int dir_opposite = MV_DIR_OPPOSITE(dir);
10807
10808     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
10809         (direction_old & dir) &&
10810         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10811       direction_new |= dir;
10812   }
10813
10814   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
10815 }
10816
10817 static int getClosedChip(int x, int y)
10818 {
10819   static int xy[4][2] =
10820   {
10821     { -1, 0 },
10822     { +1, 0 },
10823     { 0, -1 },
10824     { 0, +1 }
10825   };
10826   int element_old = IntelliDrawBuffer[x][y];
10827   int direction_old = getOpenDirectionFromChip(element_old);
10828   int direction_new = MV_NONE;
10829   int i;
10830
10831   for (i = 0; i < NUM_DIRECTIONS; i++)
10832   {
10833     int xx = x + xy[i][0];
10834     int yy = y + xy[i][1];
10835     int dir = MV_DIR_FROM_BIT(i);
10836     int dir_opposite = MV_DIR_OPPOSITE(dir);
10837
10838     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
10839         (direction_old & dir) &&
10840         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10841       direction_new |= dir;
10842   }
10843
10844   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
10845 }
10846
10847 static void SetElementSimpleExt(int x, int y, int dx, int dy, int element,
10848                                 boolean change_level)
10849 {
10850   int sx = x - level_xpos;
10851   int sy = y - level_ypos;
10852   int old_element = Feld[x][y];
10853   int new_element = element;
10854   unsigned int new_bitmask = (getDrawModeHiRes() ? (dx + 1) << (dy * 2) : 0x0f);
10855   boolean draw_masked = FALSE;
10856
10857   if (IS_MM_WALL_EDITOR(element))
10858   {
10859     element = map_mm_wall_element_editor(element) | new_bitmask;
10860
10861     if (IS_MM_WALL(old_element))
10862       element |= MM_WALL_BITS(old_element);
10863
10864     if (!change_level)
10865       draw_masked = TRUE;
10866   }
10867   else if (IS_MM_WALL(old_element) && element == EL_EMPTY)
10868   {
10869     int element_changed = old_element & ~new_bitmask;
10870
10871     if (MM_WALL_BITS(element_changed) != 0)
10872       element = element_changed;
10873   }
10874
10875   IntelliDrawBuffer[x][y] = element;
10876
10877   if (change_level)
10878     Feld[x][y] = element;
10879
10880   if (IN_ED_FIELD(sx, sy))
10881   {
10882     if (IS_MM_WALL(old_element) && new_element == EL_EMPTY)
10883       DrawSizedWallParts_MM(sx, sy, EL_EMPTY, ed_tilesize, FALSE, new_bitmask);
10884     else if (draw_masked)
10885       DrawEditorElementThruMask(sx, sy, element);
10886     else
10887       DrawEditorElement(sx, sy, element);
10888   }
10889 }
10890
10891 static void SetElementSimple(int x, int y, int element, boolean change_level)
10892 {
10893   SetElementSimpleExt(x, y, 0, 0, element, change_level);
10894 }
10895
10896 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
10897                                            int x2, int y2, int *element2,
10898                                            int (*close_function)(int, int),
10899                                            boolean change_level)
10900 {
10901   // set neighbour elements to newly determined connections
10902   SetElementSimple(x1, y1, *element1, change_level);
10903   SetElementSimple(x2, y2, *element2, change_level);
10904
10905   // remove all open connections of neighbour elements
10906   *element1 = close_function(x1, y1);
10907   *element2 = close_function(x2, y2);
10908
10909   // set neighbour elements to new, minimized connections
10910   SetElementSimple(x1, y1, *element1, change_level);
10911   SetElementSimple(x2, y2, *element2, change_level);
10912 }
10913
10914 static void SetElementIntelliDraw(int x, int y, int new_element,
10915                                   boolean change_level, int button)
10916 {
10917   static int xy[4][2] =
10918   {
10919     { -1, 0 },
10920     { +1, 0 },
10921     { 0, -1 },
10922     { 0, +1 }
10923   };
10924   static int last_x = -1;
10925   static int last_y = -1;
10926
10927   if (new_element == EL_UNDEFINED)
10928   {
10929     last_x = -1;
10930     last_y = -1;
10931
10932     return;
10933   }
10934
10935   int old_element = IntelliDrawBuffer[x][y];
10936
10937   if (IS_TUBE(new_element))
10938   {
10939     int last_element_new = EL_UNDEFINED;
10940     int direction = MV_NONE;
10941     int i;
10942
10943     // if old element is of same kind, keep all existing directions
10944     if (IS_TUBE(old_element))
10945       direction |= getOpenDirectionFromTube(old_element);
10946
10947     for (i = 0; i < NUM_DIRECTIONS; i++)
10948     {
10949       int xx = x + xy[i][0];
10950       int yy = y + xy[i][1];
10951
10952       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10953           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
10954       {
10955         int dir = MV_DIR_FROM_BIT(i);
10956         int dir_opposite = MV_DIR_OPPOSITE(dir);
10957         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10958         int last_direction_old = getOpenDirectionFromTube(last_element_old);
10959         int last_direction_new = last_direction_old | dir_opposite;
10960
10961         last_element_new = getTubeFromOpenDirection(last_direction_new);
10962
10963         direction |= dir;
10964       }
10965     }
10966
10967     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
10968
10969     if (last_element_new != EL_UNDEFINED)
10970       MergeAndCloseNeighbourElements(x, y, &new_element,
10971                                      last_x, last_y, &last_element_new,
10972                                      getClosedTube, change_level);
10973   }
10974   else if (IS_BELT(new_element))
10975   {
10976     int belt_nr = getBeltNrFromBeltElement(new_element);
10977     int last_element_new = EL_UNDEFINED;
10978     int direction = MV_NONE;
10979     int i;
10980
10981     // if old element is of same kind, keep all existing directions
10982     if (IS_BELT(old_element))
10983       direction |= getOpenDirectionFromBelt(old_element);
10984
10985     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
10986     {
10987       int xx = x + xy[i][0];
10988       int yy = y + xy[i][1];
10989
10990       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10991           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
10992       {
10993         int dir = MV_DIR_FROM_BIT(i);
10994         int dir_opposite = MV_DIR_OPPOSITE(dir);
10995         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10996         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
10997         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
10998         int last_direction_new = last_direction_old | dir_opposite;
10999
11000         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
11001                                                          last_direction_new);
11002         direction |= dir;
11003       }
11004     }
11005
11006     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
11007                                                         new_element);
11008     if (last_element_new != EL_UNDEFINED)
11009       MergeAndCloseNeighbourElements(x, y, &new_element,
11010                                      last_x, last_y, &last_element_new,
11011                                      getClosedBelt, change_level);
11012   }
11013   else if (IS_ACID_POOL_OR_ACID(new_element))
11014   {
11015     int last_element_new = EL_UNDEFINED;
11016     int direction = MV_NONE;
11017     int i;
11018
11019     // if old element is of same kind, keep all existing directions
11020     if (IS_ACID_POOL_OR_ACID(old_element))
11021       direction |= getOpenDirectionFromPool(old_element);
11022
11023     for (i = 0; i < NUM_DIRECTIONS; i++)
11024     {
11025       int xx = x + xy[i][0];
11026       int yy = y + xy[i][1];
11027
11028       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11029           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
11030       {
11031         int dir = MV_DIR_FROM_BIT(i);
11032         int dir_opposite = MV_DIR_OPPOSITE(dir);
11033         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11034         int last_direction_old = getOpenDirectionFromPool(last_element_old);
11035         int last_direction_new = last_direction_old | dir_opposite;
11036
11037         last_element_new = getPoolFromOpenDirection(last_direction_new);
11038
11039         direction |= dir;
11040       }
11041     }
11042
11043     // special corrections needed for intuitively correct acid pool drawing
11044     if (last_element_new == EL_EMPTY)
11045       last_element_new = new_element;
11046     else if (last_element_new != EL_UNDEFINED)
11047       new_element = last_element_new;
11048
11049     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
11050
11051     if (last_element_new != EL_UNDEFINED)
11052       MergeAndCloseNeighbourElements(x, y, &new_element,
11053                                      last_x, last_y, &last_element_new,
11054                                      getClosedPool, change_level);
11055   }
11056   else if (IS_EMC_PILLAR(new_element))
11057   {
11058     int last_element_new = EL_UNDEFINED;
11059     int direction = MV_NONE;
11060     int i;
11061
11062     // if old element is of same kind, keep all existing directions
11063     if (IS_EMC_PILLAR(old_element))
11064       direction |= getOpenDirectionFromPillar(old_element);
11065
11066     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
11067     {
11068       int xx = x + xy[i][0];
11069       int yy = y + xy[i][1];
11070
11071       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11072           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
11073       {
11074         int dir = MV_DIR_FROM_BIT(i);
11075         int dir_opposite = MV_DIR_OPPOSITE(dir);
11076         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11077         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
11078         int last_direction_new = last_direction_old | dir_opposite;
11079
11080         last_element_new = getPillarFromOpenDirection(last_direction_new);
11081
11082         direction |= dir;
11083       }
11084     }
11085
11086     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
11087
11088     if (last_element_new != EL_UNDEFINED)
11089       MergeAndCloseNeighbourElements(x, y, &new_element,
11090                                      last_x, last_y, &last_element_new,
11091                                      getClosedPillar, change_level);
11092   }
11093   else if (IS_DC_STEELWALL_2(new_element))
11094   {
11095     int last_element_new = EL_UNDEFINED;
11096     int direction = MV_NONE;
11097     int i;
11098
11099     // if old element is of same kind, keep all existing directions
11100     if (IS_DC_STEELWALL_2(old_element))
11101       direction |= getOpenDirectionFromSteel2(old_element);
11102
11103     for (i = 0; i < NUM_DIRECTIONS; i++)
11104     {
11105       int xx = x + xy[i][0];
11106       int yy = y + xy[i][1];
11107
11108       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11109           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
11110       {
11111         int dir = MV_DIR_FROM_BIT(i);
11112         int dir_opposite = MV_DIR_OPPOSITE(dir);
11113         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11114         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
11115         int last_direction_new = last_direction_old | dir_opposite;
11116
11117         last_element_new = getSteel2FromOpenDirection(last_direction_new);
11118
11119         direction |= dir;
11120       }
11121     }
11122
11123     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
11124
11125     if (last_element_new != EL_UNDEFINED)
11126       MergeAndCloseNeighbourElements(x, y, &new_element,
11127                                      last_x, last_y, &last_element_new,
11128                                      getClosedSteel2, change_level);
11129   }
11130   else if (IS_SP_CHIP(new_element))
11131   {
11132     int last_element_new = EL_UNDEFINED;
11133     int direction = MV_NONE;
11134     int i;
11135
11136     // (do not keep existing directions, regardless of kind of old element)
11137
11138     for (i = 0; i < NUM_DIRECTIONS; i++)
11139     {
11140       int xx = x + xy[i][0];
11141       int yy = y + xy[i][1];
11142
11143       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11144           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
11145       {
11146         int dir = MV_DIR_FROM_BIT(i);
11147         int dir_opposite = MV_DIR_OPPOSITE(dir);
11148         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11149         int last_direction_old = getOpenDirectionFromChip(last_element_old);
11150         int last_direction_new = last_direction_old | dir_opposite;
11151
11152         if (last_direction_old == MV_NONE)
11153         {
11154           last_element_new = getChipFromOpenDirection(last_direction_new);
11155           direction |= dir;
11156         }
11157         else if (last_direction_old & (dir | dir_opposite))
11158         {
11159           direction |= MV_DIR_OPPOSITE(last_direction_old);
11160         }
11161         else
11162         {
11163           direction |= MV_DIR_OPPOSITE(dir);
11164         }
11165       }
11166     }
11167
11168     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
11169
11170     if (last_element_new != EL_UNDEFINED)
11171       MergeAndCloseNeighbourElements(x, y, &new_element,
11172                                      last_x, last_y, &last_element_new,
11173                                      getClosedChip, change_level);
11174   }
11175   else if (IS_SP_HARDWARE_BASE(new_element))
11176   {
11177     int nr = GetSimpleRandom(6);
11178
11179     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
11180                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
11181                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
11182                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
11183                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
11184   }
11185   else if (new_element == EL_SP_HARDWARE_GREEN ||
11186            new_element == EL_SP_HARDWARE_BLUE ||
11187            new_element == EL_SP_HARDWARE_RED)
11188   {
11189     int nr = GetSimpleRandom(3);
11190
11191     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
11192                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
11193   }
11194   else if (IS_GROUP_ELEMENT(new_element))
11195   {
11196     boolean connected_drawing = FALSE;
11197     int i;
11198
11199     for (i = 0; i < NUM_DIRECTIONS; i++)
11200     {
11201       int xx = x + xy[i][0];
11202       int yy = y + xy[i][1];
11203
11204       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11205           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
11206         connected_drawing = TRUE;
11207     }
11208
11209     if (!connected_drawing)
11210       ResolveGroupElement(new_element);
11211
11212     new_element = GetElementFromGroupElement(new_element);
11213   }
11214   else if (IS_BELT_SWITCH(old_element))
11215   {
11216     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
11217     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
11218
11219     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
11220                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
11221
11222     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
11223   }
11224   else
11225   {
11226     static int swappable_elements[][2] =
11227     {
11228       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
11229       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
11230       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
11231       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
11232       { EL_EMERALD,                     EL_WALL_EMERALD                 },
11233       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
11234       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
11235       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
11236       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
11237       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
11238       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
11239       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
11240       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
11241       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
11242       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
11243       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
11244       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
11245       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
11246       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
11247       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
11248       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
11249       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
11250       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
11251       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
11252       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
11253       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
11254       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
11255       { EL_PEARL,                       EL_WALL_PEARL                   },
11256       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
11257       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
11258       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
11259       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
11260       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
11261       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
11262       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
11263       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
11264       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
11265       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
11266       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
11267       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
11268       { EL_MM_EXIT_CLOSED,              EL_MM_EXIT_OPEN                 },
11269       { EL_MM_FUSE,                     EL_MM_FUSE_ACTIVE               },
11270       { EL_MM_LIGHTBULB,                EL_MM_LIGHTBULB_ACTIVE          },
11271       { EL_MM_FUEL_EMPTY,               EL_MM_FUEL_FULL                 },
11272
11273       { -1,                             -1                              },
11274     };
11275     static int rotatable_elements_4[][4] =
11276     {
11277       {
11278         EL_BUG_UP,
11279         EL_BUG_RIGHT,
11280         EL_BUG_DOWN,
11281         EL_BUG_LEFT
11282       },
11283       {
11284         EL_SPACESHIP_UP,
11285         EL_SPACESHIP_RIGHT,
11286         EL_SPACESHIP_DOWN,
11287         EL_SPACESHIP_LEFT
11288       },
11289       {
11290         EL_BD_BUTTERFLY_UP,
11291         EL_BD_BUTTERFLY_RIGHT,
11292         EL_BD_BUTTERFLY_DOWN,
11293         EL_BD_BUTTERFLY_LEFT
11294       },
11295       {
11296         EL_BD_FIREFLY_UP,
11297         EL_BD_FIREFLY_RIGHT,
11298         EL_BD_FIREFLY_DOWN,
11299         EL_BD_FIREFLY_LEFT
11300       },
11301       {
11302         EL_PACMAN_UP,
11303         EL_PACMAN_RIGHT,
11304         EL_PACMAN_DOWN,
11305         EL_PACMAN_LEFT
11306       },
11307       {
11308         EL_YAMYAM_UP,
11309         EL_YAMYAM_RIGHT,
11310         EL_YAMYAM_DOWN,
11311         EL_YAMYAM_LEFT
11312       },
11313       {
11314         EL_ARROW_UP,
11315         EL_ARROW_RIGHT,
11316         EL_ARROW_DOWN,
11317         EL_ARROW_LEFT
11318       },
11319       {
11320         EL_SP_PORT_UP,
11321         EL_SP_PORT_RIGHT,
11322         EL_SP_PORT_DOWN,
11323         EL_SP_PORT_LEFT
11324       },
11325       {
11326         EL_SP_GRAVITY_PORT_UP,
11327         EL_SP_GRAVITY_PORT_RIGHT,
11328         EL_SP_GRAVITY_PORT_DOWN,
11329         EL_SP_GRAVITY_PORT_LEFT
11330       },
11331       {
11332         EL_SP_GRAVITY_ON_PORT_UP,
11333         EL_SP_GRAVITY_ON_PORT_RIGHT,
11334         EL_SP_GRAVITY_ON_PORT_DOWN,
11335         EL_SP_GRAVITY_ON_PORT_LEFT
11336       },
11337       {
11338         EL_SP_GRAVITY_OFF_PORT_UP,
11339         EL_SP_GRAVITY_OFF_PORT_RIGHT,
11340         EL_SP_GRAVITY_OFF_PORT_DOWN,
11341         EL_SP_GRAVITY_OFF_PORT_LEFT
11342       },
11343       {
11344         EL_MOLE_UP,
11345         EL_MOLE_RIGHT,
11346         EL_MOLE_DOWN,
11347         EL_MOLE_LEFT
11348       },
11349       {
11350         EL_BALLOON_SWITCH_UP,
11351         EL_BALLOON_SWITCH_RIGHT,
11352         EL_BALLOON_SWITCH_DOWN,
11353         EL_BALLOON_SWITCH_LEFT
11354       },
11355       {
11356         EL_MM_MCDUFFIN_UP,
11357         EL_MM_MCDUFFIN_RIGHT,
11358         EL_MM_MCDUFFIN_DOWN,
11359         EL_MM_MCDUFFIN_LEFT
11360       },
11361       {
11362         EL_MM_MIRROR_FIXED_1,
11363         EL_MM_MIRROR_FIXED_4,
11364         EL_MM_MIRROR_FIXED_3,
11365         EL_MM_MIRROR_FIXED_2
11366       },
11367       {
11368         EL_MM_STEEL_GRID_FIXED_1,
11369         EL_MM_STEEL_GRID_FIXED_4,
11370         EL_MM_STEEL_GRID_FIXED_2,
11371         EL_MM_STEEL_GRID_FIXED_3
11372       },
11373       {
11374         EL_MM_WOODEN_GRID_FIXED_1,
11375         EL_MM_WOODEN_GRID_FIXED_4,
11376         EL_MM_WOODEN_GRID_FIXED_2,
11377         EL_MM_WOODEN_GRID_FIXED_3
11378       },
11379       {
11380         EL_MM_POLARIZER_CROSS_1,
11381         EL_MM_POLARIZER_CROSS_4,
11382         EL_MM_POLARIZER_CROSS_3,
11383         EL_MM_POLARIZER_CROSS_2
11384       },
11385       {
11386         EL_MM_PACMAN_UP,
11387         EL_MM_PACMAN_RIGHT,
11388         EL_MM_PACMAN_DOWN,
11389         EL_MM_PACMAN_LEFT
11390       },
11391       {
11392         EL_DF_LASER_UP,
11393         EL_DF_LASER_RIGHT,
11394         EL_DF_LASER_DOWN,
11395         EL_DF_LASER_LEFT
11396       },
11397       {
11398         EL_DF_RECEIVER_UP,
11399         EL_DF_RECEIVER_RIGHT,
11400         EL_DF_RECEIVER_DOWN,
11401         EL_DF_RECEIVER_LEFT
11402       },
11403
11404       {
11405         -1,
11406       },
11407     };
11408     static int rotatable_elements_8[][8] =
11409     {
11410       {
11411         EL_DF_STEEL_GRID_FIXED_1,
11412         EL_DF_STEEL_GRID_FIXED_8,
11413         EL_DF_STEEL_GRID_FIXED_7,
11414         EL_DF_STEEL_GRID_FIXED_6,
11415         EL_DF_STEEL_GRID_FIXED_5,
11416         EL_DF_STEEL_GRID_FIXED_4,
11417         EL_DF_STEEL_GRID_FIXED_3,
11418         EL_DF_STEEL_GRID_FIXED_2
11419       },
11420       {
11421         EL_DF_WOODEN_GRID_FIXED_1,
11422         EL_DF_WOODEN_GRID_FIXED_8,
11423         EL_DF_WOODEN_GRID_FIXED_7,
11424         EL_DF_WOODEN_GRID_FIXED_6,
11425         EL_DF_WOODEN_GRID_FIXED_5,
11426         EL_DF_WOODEN_GRID_FIXED_4,
11427         EL_DF_WOODEN_GRID_FIXED_3,
11428         EL_DF_WOODEN_GRID_FIXED_2
11429       },
11430       {
11431         EL_DF_STEEL_GRID_ROTATING_1,
11432         EL_DF_STEEL_GRID_ROTATING_8,
11433         EL_DF_STEEL_GRID_ROTATING_7,
11434         EL_DF_STEEL_GRID_ROTATING_6,
11435         EL_DF_STEEL_GRID_ROTATING_5,
11436         EL_DF_STEEL_GRID_ROTATING_4,
11437         EL_DF_STEEL_GRID_ROTATING_3,
11438         EL_DF_STEEL_GRID_ROTATING_2
11439       },
11440       {
11441         EL_DF_WOODEN_GRID_ROTATING_1,
11442         EL_DF_WOODEN_GRID_ROTATING_8,
11443         EL_DF_WOODEN_GRID_ROTATING_7,
11444         EL_DF_WOODEN_GRID_ROTATING_6,
11445         EL_DF_WOODEN_GRID_ROTATING_5,
11446         EL_DF_WOODEN_GRID_ROTATING_4,
11447         EL_DF_WOODEN_GRID_ROTATING_3,
11448         EL_DF_WOODEN_GRID_ROTATING_2
11449       },
11450
11451       {
11452         -1,
11453       },
11454     };
11455     static int rotatable_elements_16[][16] =
11456     {
11457       {
11458         EL_MM_MIRROR_1,
11459         EL_MM_MIRROR_16,
11460         EL_MM_MIRROR_15,
11461         EL_MM_MIRROR_14,
11462         EL_MM_MIRROR_13,
11463         EL_MM_MIRROR_12,
11464         EL_MM_MIRROR_11,
11465         EL_MM_MIRROR_10,
11466         EL_MM_MIRROR_9,
11467         EL_MM_MIRROR_8,
11468         EL_MM_MIRROR_7,
11469         EL_MM_MIRROR_6,
11470         EL_MM_MIRROR_5,
11471         EL_MM_MIRROR_4,
11472         EL_MM_MIRROR_3,
11473         EL_MM_MIRROR_2
11474       },
11475       {
11476         EL_MM_TELEPORTER_5,
11477         EL_MM_TELEPORTER_4,
11478         EL_MM_TELEPORTER_3,
11479         EL_MM_TELEPORTER_2,
11480         EL_MM_TELEPORTER_1,
11481         EL_MM_TELEPORTER_16,
11482         EL_MM_TELEPORTER_15,
11483         EL_MM_TELEPORTER_14,
11484         EL_MM_TELEPORTER_13,
11485         EL_MM_TELEPORTER_12,
11486         EL_MM_TELEPORTER_11,
11487         EL_MM_TELEPORTER_10,
11488         EL_MM_TELEPORTER_9,
11489         EL_MM_TELEPORTER_8,
11490         EL_MM_TELEPORTER_7,
11491         EL_MM_TELEPORTER_6
11492       },
11493       {
11494         EL_MM_TELEPORTER_RED_5,
11495         EL_MM_TELEPORTER_RED_4,
11496         EL_MM_TELEPORTER_RED_3,
11497         EL_MM_TELEPORTER_RED_2,
11498         EL_MM_TELEPORTER_RED_1,
11499         EL_MM_TELEPORTER_RED_16,
11500         EL_MM_TELEPORTER_RED_15,
11501         EL_MM_TELEPORTER_RED_14,
11502         EL_MM_TELEPORTER_RED_13,
11503         EL_MM_TELEPORTER_RED_12,
11504         EL_MM_TELEPORTER_RED_11,
11505         EL_MM_TELEPORTER_RED_10,
11506         EL_MM_TELEPORTER_RED_9,
11507         EL_MM_TELEPORTER_RED_8,
11508         EL_MM_TELEPORTER_RED_7,
11509         EL_MM_TELEPORTER_RED_6
11510       },
11511       {
11512         EL_MM_TELEPORTER_YELLOW_5,
11513         EL_MM_TELEPORTER_YELLOW_4,
11514         EL_MM_TELEPORTER_YELLOW_3,
11515         EL_MM_TELEPORTER_YELLOW_2,
11516         EL_MM_TELEPORTER_YELLOW_1,
11517         EL_MM_TELEPORTER_YELLOW_16,
11518         EL_MM_TELEPORTER_YELLOW_15,
11519         EL_MM_TELEPORTER_YELLOW_14,
11520         EL_MM_TELEPORTER_YELLOW_13,
11521         EL_MM_TELEPORTER_YELLOW_12,
11522         EL_MM_TELEPORTER_YELLOW_11,
11523         EL_MM_TELEPORTER_YELLOW_10,
11524         EL_MM_TELEPORTER_YELLOW_9,
11525         EL_MM_TELEPORTER_YELLOW_8,
11526         EL_MM_TELEPORTER_YELLOW_7,
11527         EL_MM_TELEPORTER_YELLOW_6
11528       },
11529       {
11530         EL_MM_TELEPORTER_GREEN_5,
11531         EL_MM_TELEPORTER_GREEN_4,
11532         EL_MM_TELEPORTER_GREEN_3,
11533         EL_MM_TELEPORTER_GREEN_2,
11534         EL_MM_TELEPORTER_GREEN_1,
11535         EL_MM_TELEPORTER_GREEN_16,
11536         EL_MM_TELEPORTER_GREEN_15,
11537         EL_MM_TELEPORTER_GREEN_14,
11538         EL_MM_TELEPORTER_GREEN_13,
11539         EL_MM_TELEPORTER_GREEN_12,
11540         EL_MM_TELEPORTER_GREEN_11,
11541         EL_MM_TELEPORTER_GREEN_10,
11542         EL_MM_TELEPORTER_GREEN_9,
11543         EL_MM_TELEPORTER_GREEN_8,
11544         EL_MM_TELEPORTER_GREEN_7,
11545         EL_MM_TELEPORTER_GREEN_6
11546       },
11547       {
11548         EL_MM_TELEPORTER_BLUE_5,
11549         EL_MM_TELEPORTER_BLUE_4,
11550         EL_MM_TELEPORTER_BLUE_3,
11551         EL_MM_TELEPORTER_BLUE_2,
11552         EL_MM_TELEPORTER_BLUE_1,
11553         EL_MM_TELEPORTER_BLUE_16,
11554         EL_MM_TELEPORTER_BLUE_15,
11555         EL_MM_TELEPORTER_BLUE_14,
11556         EL_MM_TELEPORTER_BLUE_13,
11557         EL_MM_TELEPORTER_BLUE_12,
11558         EL_MM_TELEPORTER_BLUE_11,
11559         EL_MM_TELEPORTER_BLUE_10,
11560         EL_MM_TELEPORTER_BLUE_9,
11561         EL_MM_TELEPORTER_BLUE_8,
11562         EL_MM_TELEPORTER_BLUE_7,
11563         EL_MM_TELEPORTER_BLUE_6
11564       },
11565       {
11566         EL_MM_POLARIZER_1,
11567         EL_MM_POLARIZER_16,
11568         EL_MM_POLARIZER_15,
11569         EL_MM_POLARIZER_14,
11570         EL_MM_POLARIZER_13,
11571         EL_MM_POLARIZER_12,
11572         EL_MM_POLARIZER_11,
11573         EL_MM_POLARIZER_10,
11574         EL_MM_POLARIZER_9,
11575         EL_MM_POLARIZER_8,
11576         EL_MM_POLARIZER_7,
11577         EL_MM_POLARIZER_6,
11578         EL_MM_POLARIZER_5,
11579         EL_MM_POLARIZER_4,
11580         EL_MM_POLARIZER_3,
11581         EL_MM_POLARIZER_2
11582       },
11583       {
11584         EL_DF_MIRROR_1,
11585         EL_DF_MIRROR_16,
11586         EL_DF_MIRROR_15,
11587         EL_DF_MIRROR_14,
11588         EL_DF_MIRROR_13,
11589         EL_DF_MIRROR_12,
11590         EL_DF_MIRROR_11,
11591         EL_DF_MIRROR_10,
11592         EL_DF_MIRROR_9,
11593         EL_DF_MIRROR_8,
11594         EL_DF_MIRROR_7,
11595         EL_DF_MIRROR_6,
11596         EL_DF_MIRROR_5,
11597         EL_DF_MIRROR_4,
11598         EL_DF_MIRROR_3,
11599         EL_DF_MIRROR_2
11600       },
11601       {
11602         EL_DF_MIRROR_ROTATING_1,
11603         EL_DF_MIRROR_ROTATING_16,
11604         EL_DF_MIRROR_ROTATING_15,
11605         EL_DF_MIRROR_ROTATING_14,
11606         EL_DF_MIRROR_ROTATING_13,
11607         EL_DF_MIRROR_ROTATING_12,
11608         EL_DF_MIRROR_ROTATING_11,
11609         EL_DF_MIRROR_ROTATING_10,
11610         EL_DF_MIRROR_ROTATING_9,
11611         EL_DF_MIRROR_ROTATING_8,
11612         EL_DF_MIRROR_ROTATING_7,
11613         EL_DF_MIRROR_ROTATING_6,
11614         EL_DF_MIRROR_ROTATING_5,
11615         EL_DF_MIRROR_ROTATING_4,
11616         EL_DF_MIRROR_ROTATING_3,
11617         EL_DF_MIRROR_ROTATING_2
11618       },
11619
11620       {
11621         -1,
11622       },
11623     };
11624     int i, j;
11625
11626     for (i = 0; swappable_elements[i][0] != -1; i++)
11627     {
11628       int element1 = swappable_elements[i][0];
11629       int element2 = swappable_elements[i][1];
11630
11631       if (old_element == element1 || old_element == element2)
11632         new_element = (old_element == element1 ? element2 : element1);
11633     }
11634
11635     for (i = 0; rotatable_elements_4[i][0] != -1; i++)
11636     {
11637       for (j = 0; j < 4; j++)
11638       {
11639         int element = rotatable_elements_4[i][j];
11640
11641         if (old_element == element)
11642           new_element = (button == 1 ? rotatable_elements_4[i][(j + 3) % 4] :
11643                          button == 2 ? rotatable_elements_4[i][0]           :
11644                          button == 3 ? rotatable_elements_4[i][(j + 1) % 4] :
11645                          old_element);
11646       }
11647     }
11648
11649     for (i = 0; rotatable_elements_8[i][0] != -1; i++)
11650     {
11651       for (j = 0; j < 8; j++)
11652       {
11653         int element = rotatable_elements_8[i][j];
11654
11655         if (old_element == element)
11656           new_element = (button == 1 ? rotatable_elements_8[i][(j + 7) % 8] :
11657                          button == 2 ? rotatable_elements_8[i][0]           :
11658                          button == 3 ? rotatable_elements_8[i][(j + 1) % 8] :
11659                          old_element);
11660       }
11661     }
11662
11663     for (i = 0; rotatable_elements_16[i][0] != -1; i++)
11664     {
11665       for (j = 0; j < 16; j++)
11666       {
11667         int element = rotatable_elements_16[i][j];
11668
11669         if (old_element == element)
11670           new_element = (button == 1 ? rotatable_elements_16[i][(j + 15) % 16] :
11671                          button == 2 ? rotatable_elements_16[i][0]             :
11672                          button == 3 ? rotatable_elements_16[i][(j + 1)  % 16] :
11673                          old_element);
11674       }
11675     }
11676
11677     if (old_element != new_element)
11678     {
11679       int max_infotext_len = getMaxInfoTextLength();
11680       char infotext[MAX_OUTPUT_LINESIZE + 1];
11681
11682       strncpy(infotext, getElementInfoText(new_element), max_infotext_len);
11683       infotext[max_infotext_len] = '\0';
11684
11685       ClearEditorGadgetInfoText();
11686
11687       DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT,
11688                 infotext);
11689     }
11690   }
11691
11692   SetElementSimple(x, y, new_element, change_level);
11693
11694   last_x = x;
11695   last_y = y;
11696 }
11697
11698 static void ResetIntelliDraw(void)
11699 {
11700   int x, y;
11701
11702   for (x = 0; x < lev_fieldx; x++)
11703     for (y = 0; y < lev_fieldy; y++)
11704       IntelliDrawBuffer[x][y] = Feld[x][y];
11705
11706   SetElementIntelliDraw(-1, -1, EL_UNDEFINED, FALSE, -1);
11707 }
11708
11709 static boolean draw_mode_hires = FALSE;
11710
11711 static boolean isHiresTileElement(int element)
11712 {
11713   return (IS_MM_WALL(element)        || element == EL_EMPTY);
11714 }
11715
11716 static boolean isHiresDrawElement(int element)
11717 {
11718   return (IS_MM_WALL_EDITOR(element) || element == EL_EMPTY);
11719 }
11720
11721 static void SetDrawModeHiRes(int element)
11722 {
11723   draw_mode_hires =
11724     (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
11725      isHiresDrawElement(element));
11726 }
11727
11728 static boolean getDrawModeHiRes(void)
11729 {
11730   return draw_mode_hires;
11731 }
11732
11733 static int getLoResScreenPos(int pos)
11734 {
11735   return (getDrawModeHiRes() ? pos / 2 : pos);
11736 }
11737
11738 static int getLoResScreenMod(int pos)
11739 {
11740   return (getDrawModeHiRes() ? pos % 2 : 0);
11741 }
11742
11743 static void SetElementExt(int x, int y, int dx, int dy, int element,
11744                           boolean change_level, int button)
11745 {
11746   if (element < 0)
11747     SetElementSimple(x, y, Feld[x][y], change_level);
11748   else if (GetKeyModState() & KMOD_Shift && !IS_MM_WALL_EDITOR(element))
11749     SetElementIntelliDraw(x, y, element, change_level, button);
11750   else
11751     SetElementSimpleExt(x, y, dx, dy, element, change_level);
11752 }
11753
11754 static void SetElement(int x, int y, int element)
11755 {
11756   SetElementExt(x, y, 0, 0, element, TRUE, -1);
11757 }
11758
11759 static void SetElementButton(int x, int y, int dx, int dy, int element,
11760                              int button)
11761 {
11762   SetElementExt(x, y, dx, dy, element, TRUE, button);
11763 }
11764
11765 static void SetElementHiRes(int sx2, int sy2, int element, boolean change_level)
11766 {
11767   int lx = getLoResScreenPos(sx2) + level_xpos;
11768   int ly = getLoResScreenPos(sy2) + level_ypos;
11769   int dx = getLoResScreenMod(sx2);
11770   int dy = getLoResScreenMod(sy2);
11771
11772   SetElementExt(lx, ly, dx, dy, element, change_level, -1);
11773 }
11774
11775 static void SetLevelElementHiRes(int lx2, int ly2, int element)
11776 {
11777   int lx = lx2 / 2;
11778   int ly = ly2 / 2;
11779   int dx = lx2 % 2;
11780   int dy = ly2 % 2;
11781
11782   SetElementExt(lx, ly, dx, dy, element, TRUE, -1);
11783 }
11784
11785 static int getLevelElementHiRes(int lx2, int ly2)
11786 {
11787   int lx = lx2 / 2;
11788   int ly = ly2 / 2;
11789   int dx = lx2 % 2;
11790   int dy = ly2 % 2;
11791   int element = Feld[lx][ly];
11792   unsigned int bitmask = (dx + 1) << (dy * 2);
11793
11794   if (IS_MM_WALL(element))
11795   {
11796     if (element & bitmask)
11797       return map_mm_wall_element(element);
11798     else
11799       return EL_EMPTY;
11800   }
11801
11802   return element;
11803 }
11804
11805 static void DrawLineElement(int x, int y, int element, boolean change_level)
11806 {
11807   SetElementHiRes(x, y, element, change_level);
11808 }
11809
11810 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
11811                      int element, boolean change_level)
11812 {
11813   int xsize = ABS(to_x - from_x);
11814   int ysize = ABS(to_y - from_y);
11815   int dx = (to_x < from_x ? -1 : +1);
11816   int dy = (to_y < from_y ? -1 : +1);
11817   int i;
11818
11819   if (from_y == to_y)                   // horizontal line
11820   {
11821     for (i = 0; i <= xsize; i++)
11822       DrawLineElement(from_x + i * dx, from_y, element, change_level);
11823   }
11824   else if (from_x == to_x)              // vertical line
11825   {
11826     for (i = 0; i <= ysize; i++)
11827       DrawLineElement(from_x, from_y + i * dy, element, change_level);
11828   }
11829   else                                  // diagonal line
11830   {
11831     if (ysize < xsize)                  // a < 1
11832     {
11833       float a = (float)ysize / (float)xsize;
11834
11835       for (i = 0; i <= xsize; i++)
11836       {
11837         int x = dx * i;
11838         int y = dy * (int)(a * i + 0.5);
11839
11840         DrawLineElement(from_x + x, from_y + y, element, change_level);
11841       }
11842     }
11843     else                                // a >= 1
11844     {
11845       float a = (float)xsize / (float)ysize;
11846
11847       for (i = 0; i <= ysize; i++)
11848       {
11849         int x = dx * (int)(a * i + 0.5);
11850         int y = dy * i;
11851
11852         DrawLineElement(from_x + x, from_y + y, element, change_level);
11853       }
11854     }
11855   }
11856 }
11857
11858 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
11859                     int element, boolean change_level)
11860 {
11861   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
11862   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
11863   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
11864   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
11865 }
11866
11867 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
11868                           int element, boolean change_level)
11869 {
11870   int y;
11871
11872   if (from_y > to_y)
11873     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
11874
11875   for (y = from_y; y <= to_y; y++)
11876     DrawLine(from_x, y, to_x, y, element, change_level);
11877 }
11878
11879 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
11880                        int element, boolean change_level)
11881 {
11882   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
11883   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
11884   int len_x = ABS(to_x - from_x);
11885   int len_y = ABS(to_y - from_y);
11886   int radius, x, y;
11887
11888   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
11889
11890   // not optimal (some points get drawn twice) but simple,
11891   // and fast enough for the few points we are drawing
11892
11893   for (x = 0; x <= radius; x++)
11894   {
11895     int sx, sy, sx2, sy2, lx, ly;
11896
11897     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
11898
11899     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
11900     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
11901     sx = getLoResScreenPos(sx2);
11902     sy = getLoResScreenPos(sy2);
11903     lx = sx + level_xpos;
11904     ly = sy + level_ypos;
11905
11906     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
11907       DrawLineElement(sx2, sy2, element, change_level);
11908   }
11909
11910   for (y = 0; y <= radius; y++)
11911   {
11912     int sx, sy, sx2, sy2, lx, ly;
11913
11914     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
11915
11916     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
11917     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
11918     sx = getLoResScreenPos(sx2);
11919     sy = getLoResScreenPos(sy2);
11920     lx = sx + level_xpos;
11921     ly = sy + level_ypos;
11922
11923     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
11924       DrawLineElement(sx2, sy2, element, change_level);
11925   }
11926 }
11927
11928 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
11929                     int element, boolean change_level)
11930 {
11931   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
11932   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
11933
11934   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
11935 }
11936
11937 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
11938
11939 #if DRAW_CIRCLES_BUTTON_AVAILABLE
11940 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
11941                        int element, boolean change_level)
11942 {
11943   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
11944   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
11945   int mirror_to_x2 = from_x - (to_x2 - from_x);
11946   int mirror_to_y2 = from_y - (to_y2 - from_y);
11947
11948   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
11949   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
11950   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
11951   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
11952 }
11953 #endif
11954
11955 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
11956 {
11957   int from_sx, from_sy;
11958   int to_sx, to_sy;
11959
11960   if (from_x > to_x)
11961     swap_numbers(&from_x, &to_x);
11962
11963   if (from_y > to_y)
11964     swap_numbers(&from_y, &to_y);
11965
11966   from_sx = SX + from_x * ed_tilesize;
11967   from_sy = SY + from_y * ed_tilesize;
11968   to_sx = SX + (to_x + 1) * ed_tilesize - 1;
11969   to_sy = SY + (to_y + 1) * ed_tilesize - 1;
11970
11971   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
11972   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
11973   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
11974   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
11975
11976   if (from_x == to_x && from_y == to_y)
11977     MarkTileDirty(from_x/2, from_y/2);
11978   else
11979     redraw_mask |= REDRAW_FIELD;
11980 }
11981
11982 static void DrawAreaBox(int from_x, int from_y, int to_x, int to_y,
11983                         int element, boolean change_level)
11984 {
11985   DrawBox(from_x, from_y, to_x, to_y, element, change_level);
11986 }
11987
11988 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
11989                        int element, boolean change_level)
11990 {
11991   if (element == -1 || change_level)
11992     DrawAreaBox(from_x, from_y, to_x, to_y, -1, FALSE);
11993   else
11994     DrawAreaBorder(from_x, from_y, to_x, to_y);
11995 }
11996
11997 // values for CopyBrushExt()
11998 #define CB_AREA_TO_BRUSH                0
11999 #define CB_BRUSH_TO_CURSOR              1
12000 #define CB_BRUSH_TO_LEVEL               2
12001 #define CB_DELETE_OLD_CURSOR            3
12002 #define CB_DUMP_BRUSH                   4
12003 #define CB_DUMP_BRUSH_SMALL             5
12004 #define CB_CLIPBOARD_TO_BRUSH           6
12005 #define CB_BRUSH_TO_CLIPBOARD           7
12006 #define CB_BRUSH_TO_CLIPBOARD_SMALL     8
12007 #define CB_UPDATE_BRUSH_POSITION        9
12008
12009 #define MAX_CB_PART_SIZE        10
12010 #define MAX_CB_LINE_SIZE        (MAX_LEV_FIELDX + 1)    // text plus newline
12011 #define MAX_CB_NUM_LINES        (MAX_LEV_FIELDY)
12012 #define MAX_CB_TEXT_SIZE        (MAX_CB_LINE_SIZE *     \
12013                                  MAX_CB_NUM_LINES *     \
12014                                  MAX_CB_PART_SIZE)
12015
12016 static void DrawBrushElement(int sx, int sy, int element, boolean change_level)
12017 {
12018   DrawLineElement(sx, sy, element, change_level);
12019 }
12020
12021 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
12022                          int button, int mode)
12023 {
12024   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
12025   static int brush_width, brush_height;
12026   static int last_cursor_x = -1, last_cursor_y = -1;
12027   static boolean delete_old_brush = FALSE;
12028   int new_element = BUTTON_ELEMENT(button);
12029   int x, y;
12030
12031   if (mode == CB_DUMP_BRUSH ||
12032       mode == CB_DUMP_BRUSH_SMALL ||
12033       mode == CB_BRUSH_TO_CLIPBOARD ||
12034       mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
12035   {
12036     if (edit_mode != ED_MODE_DRAWING)
12037       return;
12038
12039     char part[MAX_CB_PART_SIZE + 1] = "";
12040     char text[MAX_CB_TEXT_SIZE + 1] = "";
12041     int width  = (draw_with_brush ? brush_width  : lev_fieldx);
12042     int height = (draw_with_brush ? brush_height : lev_fieldy);
12043     char *format = "%s%03d";
12044
12045     for (y = 0; y < height; y++)
12046       for (x = 0; x < width; x++)
12047         if ((draw_with_brush ? brush_buffer[x][y] : Feld[x][y]) > 999)
12048           format = "%s%04d";
12049
12050     for (y = 0; y < height; y++)
12051     {
12052       for (x = 0; x < width; x++)
12053       {
12054         int element = (draw_with_brush ? brush_buffer[x][y] : Feld[x][y]);
12055         char *prefix = (mode == CB_DUMP_BRUSH ||
12056                         mode == CB_BRUSH_TO_CLIPBOARD ? "`" : "¸");
12057
12058         if (element >= NUM_FILE_ELEMENTS)
12059           element = EL_UNKNOWN;
12060
12061         // copy brush to level sketch text buffer for the R'n'D forum:
12062         // - large tiles: `xxx or `xxxx (0x60 ASCII)
12063         // - small tiles: ¸xxx or ¸xxxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
12064         snprintf(part, MAX_CB_PART_SIZE + 1, format, prefix, element);
12065         strcat(text, part);
12066       }
12067
12068       strcat(text, "\n");
12069     }
12070
12071     if (mode == CB_BRUSH_TO_CLIPBOARD ||
12072         mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
12073       SDL_SetClipboardText(text);
12074     else
12075       printf("%s", text);
12076
12077     return;
12078   }
12079
12080   if (mode == CB_CLIPBOARD_TO_BRUSH)
12081   {
12082     if (edit_mode != ED_MODE_DRAWING)
12083       return;
12084
12085     if (!SDL_HasClipboardText())
12086     {
12087       Request("Clipboard is empty!", REQ_CONFIRM);
12088
12089       return;
12090     }
12091
12092     boolean copy_to_brush = (draw_with_brush ||
12093                              drawing_function == GADGET_ID_GRAB_BRUSH);
12094
12095     // this will delete the old brush, if already drawing with a brush
12096     if (copy_to_brush)
12097       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], MB_LEFTBUTTON);
12098
12099     // initialization is required for "odd" (incomplete) clipboard content
12100     for (x = 0; x < MAX_LEV_FIELDX; x++)
12101       for (y = 0; y < MAX_LEV_FIELDY; y++)
12102         brush_buffer[x][y] = EL_EMPTY;
12103
12104     brush_width  = 0;
12105     brush_height = 0;
12106     x = 0;
12107     y = 0;
12108
12109     char *clipboard_text = SDL_GetClipboardText();
12110     char *ptr = clipboard_text;
12111     boolean allow_new_row = FALSE;
12112     boolean stop = FALSE;
12113
12114     while (*ptr && !stop)
12115     {
12116       boolean prefix_found = FALSE;
12117       boolean start_new_row = FALSE;
12118
12119       // level sketch element number prefixes (may be multi-byte characters)
12120       char *prefix_list[] = { "`", "¸" };
12121       int i;
12122
12123       for (i = 0; i < ARRAY_SIZE(prefix_list); i++)
12124       {
12125         char *prefix = prefix_list[i];
12126
12127         // check if string is large enough for prefix
12128         if (strlen(ptr) < strlen(prefix))
12129         {
12130           stop = TRUE;
12131
12132           break;
12133         }
12134
12135         // check if string starts with prefix
12136         if (strPrefix(ptr, prefix))
12137         {
12138           ptr += strlen(prefix);
12139
12140           prefix_found = TRUE;
12141
12142           break;
12143         }
12144       }
12145
12146       // check if prefix found and followed by (at least) three digits
12147       if (prefix_found &&
12148           strlen(ptr) >= 3 &&
12149           ptr[0] >= '0' && ptr[0] <= '9' &&
12150           ptr[1] >= '0' && ptr[1] <= '9' &&
12151           ptr[2] >= '0' && ptr[2] <= '9')
12152       {
12153         int element = ((ptr[0] - '0') * 100 +
12154                        (ptr[1] - '0') * 10 +
12155                        (ptr[2] - '0'));
12156
12157         ptr += 3;
12158
12159         // level sketch element number might consist of four digits
12160         if (ptr[0] >= '0' && ptr[0] <= '9')
12161         {
12162           element = element * 10 + (ptr[0] - '0');
12163           ptr++;
12164         }
12165
12166         if (element >= NUM_FILE_ELEMENTS)
12167           element = EL_UNKNOWN;
12168
12169         brush_buffer[x][y] = element;
12170
12171         brush_width  = MAX(x + 1, brush_width);
12172         brush_height = MAX(y + 1, brush_height);
12173
12174         x++;
12175
12176         if (x >= MAX_LEV_FIELDX)
12177           start_new_row = TRUE;
12178
12179         allow_new_row = TRUE;
12180       }
12181       else
12182       {
12183         if ((*ptr == '\n' || *ptr == '\r') && allow_new_row)
12184           start_new_row = TRUE;
12185
12186         ptr++;          // !!! FIX THIS for real UTF-8 handling !!!
12187       }
12188
12189       if (start_new_row)
12190       {
12191         x = 0;
12192         y++;
12193
12194         if (y >= MAX_LEV_FIELDY)
12195           stop = TRUE;
12196
12197         allow_new_row = FALSE;
12198       }
12199     }
12200
12201     SDL_free(clipboard_text);
12202
12203     if (brush_width == 0 || brush_height == 0)
12204     {
12205       Request("No level sketch found in clipboard!", REQ_CONFIRM);
12206
12207       return;
12208     }
12209
12210     if (copy_to_brush)
12211     {
12212       struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_DRAWING_LEVEL];
12213       int mx, my;
12214
12215       SDL_GetMouseState(&mx, &my);
12216
12217       // if inside drawing area, activate and draw brush at last mouse position
12218       if (mx >= gi->x && mx < gi->x + gi->width &&
12219           my >= gi->y && my < gi->y + gi->height)
12220         CopyBrushToCursor(last_cursor_x, last_cursor_y);
12221
12222       draw_with_brush = TRUE;
12223     }
12224     else
12225     {
12226       char request[100];
12227
12228       sprintf(request, "Replace level with %dx%d level sketch from clipboard?",
12229               brush_width, brush_height);
12230
12231       if (!Request(request, REQ_ASK))
12232         return;
12233
12234       for (x = 0; x < MAX_LEV_FIELDX; x++)
12235         for (y = 0; y < MAX_LEV_FIELDY; y++)
12236           Feld[x][y] = brush_buffer[x][y];
12237
12238       lev_fieldx = level.fieldx = brush_width;
12239       lev_fieldy = level.fieldy = brush_height;
12240
12241       SetBorderElement();
12242
12243       DrawEditModeWindow();
12244       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12245     }
12246
12247     return;
12248   }
12249
12250   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
12251     return;
12252
12253   if (mode == CB_AREA_TO_BRUSH)
12254   {
12255     int from_lx, from_ly;
12256
12257     if (from_x > to_x)
12258       swap_numbers(&from_x, &to_x);
12259
12260     if (from_y > to_y)
12261       swap_numbers(&from_y, &to_y);
12262
12263     brush_width = to_x - from_x + 1;
12264     brush_height = to_y - from_y + 1;
12265
12266     from_lx = from_x + level_xpos;
12267     from_ly = from_y + level_ypos;
12268
12269     for (y = 0; y < brush_height; y++)
12270     {
12271       for (x = 0; x < brush_width; x++)
12272       {
12273         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
12274
12275         if (button != 1)
12276           DrawBrushElement(from_x + x, from_y + y, new_element, TRUE);
12277       }
12278     }
12279
12280     if (button != 1)
12281       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12282
12283     delete_old_brush = FALSE;
12284   }
12285   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
12286            mode == CB_BRUSH_TO_LEVEL)
12287   {
12288     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
12289     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
12290     int cursor_from_x = cursor_x - brush_width / 2;
12291     int cursor_from_y = cursor_y - brush_height / 2;
12292     int border_from_x = cursor_x, border_from_y = cursor_y;
12293     int border_to_x = cursor_x, border_to_y = cursor_y;
12294
12295     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
12296       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
12297
12298     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
12299         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
12300     {
12301       delete_old_brush = FALSE;
12302
12303       return;
12304     }
12305
12306     for (y = 0; y < brush_height; y++)
12307     {
12308       for (x = 0; x < brush_width; x++)
12309       {
12310         int sx = cursor_from_x + x;
12311         int sy = cursor_from_y + y;
12312         int lx = sx + level_xpos;
12313         int ly = sy + level_ypos;
12314         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
12315         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
12316                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
12317                        brush_buffer[x][y] : new_element);
12318
12319         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
12320         {
12321           if (sx < border_from_x)
12322             border_from_x = sx;
12323           else if (sx > border_to_x)
12324             border_to_x = sx;
12325           if (sy < border_from_y)
12326             border_from_y = sy;
12327           else if (sy > border_to_y)
12328             border_to_y = sy;
12329
12330           DrawBrushElement(sx, sy, element, change_level);
12331         }
12332       }
12333     }
12334
12335     if (mode != CB_DELETE_OLD_CURSOR)
12336       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
12337
12338     last_cursor_x = cursor_x;
12339     last_cursor_y = cursor_y;
12340
12341     delete_old_brush = TRUE;
12342   }
12343
12344   if (mode == CB_UPDATE_BRUSH_POSITION)
12345   {
12346     last_cursor_x = from_x;
12347     last_cursor_y = from_y;
12348   }
12349 }
12350
12351 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
12352                             int button)
12353 {
12354   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
12355 }
12356
12357 static void CopyBrushToLevel(int x, int y, int button)
12358 {
12359   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
12360 }
12361
12362 static void CopyBrushToCursor(int x, int y)
12363 {
12364   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
12365 }
12366
12367 static void UpdateBrushPosition(int x, int y)
12368 {
12369   CopyBrushExt(x, y, 0, 0, 0, CB_UPDATE_BRUSH_POSITION);
12370 }
12371
12372 static void DeleteBrushFromCursor(void)
12373 {
12374   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
12375 }
12376
12377 void DumpBrush(void)
12378 {
12379   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
12380 }
12381
12382 void DumpBrush_Small(void)
12383 {
12384   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
12385 }
12386
12387 void CopyClipboardToBrush(void)
12388 {
12389   CopyBrushExt(0, 0, 0, 0, 0, CB_CLIPBOARD_TO_BRUSH);
12390 }
12391
12392 void CopyBrushToClipboard(void)
12393 {
12394   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD);
12395 }
12396
12397 void CopyBrushToClipboard_Small(void)
12398 {
12399   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD_SMALL);
12400 }
12401
12402 void UndoLevelEditorOperation(void)
12403 {
12404   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], -1);
12405 }
12406
12407 void RedoLevelEditorOperation(void)
12408 {
12409   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
12410 }
12411
12412 static void FloodFill(int from_x, int from_y, int fill_element)
12413 {
12414   FloodFillLevel(from_x, from_y, fill_element, Feld, lev_fieldx, lev_fieldy);
12415 }
12416
12417 static void FloodFillWall_MM(int from_sx2, int from_sy2, int fill_element)
12418 {
12419   int from_x = from_sx2 + 2 * level_xpos;
12420   int from_y = from_sy2 + 2 * level_ypos;
12421   int max_fillx = lev_fieldx * 2;
12422   int max_filly = lev_fieldy * 2;
12423   short FillFeld[max_fillx][max_filly];
12424   int x, y;
12425
12426   for (x = 0; x < max_fillx; x++)
12427     for (y = 0; y < max_filly; y++)
12428       FillFeld[x][y] = getLevelElementHiRes(x, y);
12429
12430   FloodFillLevelExt(from_x, from_y, fill_element, max_fillx, max_filly,
12431                     FillFeld, max_fillx, max_filly);
12432
12433   for (x = 0; x < max_fillx; x++)
12434     for (y = 0; y < max_filly; y++)
12435       if (FillFeld[x][y] == fill_element)
12436         SetLevelElementHiRes(x, y, FillFeld[x][y]);
12437 }
12438
12439 // values for DrawLevelText() modes
12440 #define TEXT_INIT               0
12441 #define TEXT_SETCURSOR          1
12442 #define TEXT_WRITECHAR          2
12443 #define TEXT_BACKSPACE          3
12444 #define TEXT_NEWLINE            4
12445 #define TEXT_END                5
12446 #define TEXT_QUERY_TYPING       6
12447
12448 static int DrawLevelText(int sx, int sy, char letter, int mode)
12449 {
12450   static short delete_buffer[MAX_LEV_FIELDX];
12451   static int start_sx;
12452   static int last_sx, last_sy;
12453   static boolean typing = FALSE;
12454   int letter_element = EL_CHAR_ASCII0 + letter;
12455   int lx = 0, ly = 0;
12456
12457   // map lower case letters to upper case and convert special characters
12458   if (letter >= 'a' && letter <= 'z')
12459     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
12460   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
12461     letter_element = EL_CHAR_AUMLAUT;
12462   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
12463     letter_element = EL_CHAR_OUMLAUT;
12464   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
12465     letter_element = EL_CHAR_UUMLAUT;
12466   else if (letter == '^')
12467     letter_element = EL_CHAR_COPYRIGHT;
12468   else
12469     letter_element = EL_CHAR_ASCII0 + letter;
12470
12471   if (mode != TEXT_INIT)
12472   {
12473     if (!typing)
12474       return FALSE;
12475
12476     if (mode != TEXT_SETCURSOR)
12477     {
12478       sx = last_sx;
12479       sy = last_sy;
12480     }
12481
12482     lx = last_sx + level_xpos;
12483     ly = last_sy + level_ypos;
12484   }
12485
12486   switch (mode)
12487   {
12488     case TEXT_INIT:
12489       if (typing)
12490         DrawLevelText(0, 0, 0, TEXT_END);
12491
12492       typing = TRUE;
12493       start_sx = sx;
12494       last_sx = sx;
12495       last_sy = sy;
12496       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
12497       break;
12498
12499     case TEXT_SETCURSOR:
12500       DrawEditorElement(last_sx, last_sy, Feld[lx][ly]);
12501       DrawAreaBorder(sx, sy, sx, sy);
12502       StartTextInput(SX + sx * ed_tilesize, SY + sy * ed_tilesize,
12503                      ed_tilesize, ed_tilesize);
12504       last_sx = sx;
12505       last_sy = sy;
12506       break;
12507
12508     case TEXT_WRITECHAR:
12509       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
12510       {
12511         if (new_element1 >= EL_STEEL_CHAR_START &&
12512             new_element1 <= EL_STEEL_CHAR_END)
12513           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
12514
12515         delete_buffer[sx - start_sx] = Feld[lx][ly];
12516         Feld[lx][ly] = letter_element;
12517
12518         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
12519           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
12520         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
12521           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
12522         else
12523           DrawLevelText(0, 0, 0, TEXT_END);
12524
12525         level.changed = TRUE;
12526       }
12527       break;
12528
12529     case TEXT_BACKSPACE:
12530       if (sx > start_sx)
12531       {
12532         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
12533         DrawEditorElement(sx - 1, sy, Feld[lx - 1][ly]);
12534         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
12535       }
12536       break;
12537
12538     case TEXT_NEWLINE:
12539       if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
12540         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
12541       else
12542         DrawLevelText(0, 0, 0, TEXT_END);
12543       break;
12544
12545     case TEXT_END:
12546       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12547       DrawEditorElement(sx, sy, Feld[lx][ly]);
12548       StopTextInput();
12549       typing = FALSE;
12550       break;
12551
12552     case TEXT_QUERY_TYPING:
12553       break;
12554
12555     default:
12556       break;
12557   }
12558
12559   return typing;
12560 }
12561
12562 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
12563                           int element, boolean change_level)
12564 {
12565   int lx = sx + level_xpos;
12566   int ly = sy + level_ypos;
12567
12568   if (element == -1)
12569     DrawEditorElement(sx, sy, Feld[lx][ly]);
12570   else
12571     DrawAreaBorder(sx, sy, sx, sy);
12572 }
12573
12574 static void CheckLevelBorderElement(boolean redraw_playfield)
12575 {
12576   int last_border_element = BorderElement;
12577
12578   SetBorderElement();
12579
12580   if (redraw_playfield && BorderElement != last_border_element)
12581     DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12582 }
12583
12584 static void CopyLevelToUndoBuffer(int mode)
12585 {
12586   static boolean accumulated_undo = FALSE;
12587   boolean new_undo_buffer_position = TRUE;
12588   int x, y;
12589
12590   if (undo_buffer_steps == 0)
12591     accumulated_undo = FALSE;
12592
12593   switch (mode)
12594   {
12595     case UNDO_IMMEDIATE:
12596       accumulated_undo = FALSE;
12597       break;
12598
12599     case UNDO_ACCUMULATE:
12600       if (accumulated_undo)
12601         new_undo_buffer_position = FALSE;
12602       accumulated_undo = TRUE;
12603       break;
12604
12605     default:
12606       break;
12607   }
12608
12609   if (new_undo_buffer_position)
12610   {
12611     // advance position in undo buffer ring
12612     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
12613
12614     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
12615       undo_buffer_steps++;
12616   }
12617
12618   // always reset redo buffer when storing level change into undo buffer
12619   redo_buffer_steps = 0;
12620
12621   for (x = 0; x < lev_fieldx; x++)
12622     for (y = 0; y < lev_fieldy; y++)
12623       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
12624
12625   // check if drawing operation forces change of border style
12626   CheckLevelBorderElement(TRUE);
12627
12628   level.changed = TRUE;
12629 }
12630
12631 static void RandomPlacement(int new_element)
12632 {
12633   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
12634   int num_free_positions = 0;
12635   int num_percentage, num_elements;
12636   int x, y;
12637
12638   ResetIntelliDraw();
12639
12640   // determine number of free positions for randomly placing the new element
12641   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
12642   {
12643     free_position[x][y] =
12644       (random_placement_background_restricted ?
12645        Feld[x][y] == random_placement_background_element :
12646        Feld[x][y] != new_element);
12647
12648     if (free_position[x][y])
12649       num_free_positions++;
12650   }
12651
12652   // determine number of new elements to place there
12653   num_percentage = num_free_positions * random_placement_value / 100;
12654   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
12655                   num_percentage : random_placement_value);
12656
12657   // if less free positions than elements to place, fill all these positions
12658   if (num_free_positions < num_elements)
12659   {
12660     for (x = 0; x < lev_fieldx; x++)
12661       for (y = 0; y < lev_fieldy; y++)
12662         if (free_position[x][y])
12663           SetElement(x, y, new_element);
12664   }
12665   else
12666   {
12667     while (num_elements > 0)
12668     {
12669       x = GetSimpleRandom(lev_fieldx);
12670       y = GetSimpleRandom(lev_fieldy);
12671
12672       // don't place element at the same position twice
12673       if (free_position[x][y])
12674       {
12675         free_position[x][y] = FALSE;
12676         SetElement(x, y, new_element);
12677         num_elements--;
12678       }
12679     }
12680   }
12681
12682   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12683   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12684 }
12685
12686 static void WrapLevel(int dx, int dy)
12687 {
12688   int wrap_dx = lev_fieldx - dx;
12689   int wrap_dy = lev_fieldy - dy;
12690   int x, y;
12691
12692   for (x = 0; x < lev_fieldx; x++)
12693     for (y = 0; y < lev_fieldy; y++)
12694       FieldBackup[x][y] = Feld[x][y];
12695
12696   for (x = 0; x < lev_fieldx; x++)
12697     for (y = 0; y < lev_fieldy; y++)
12698       Feld[x][y] =
12699         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
12700
12701   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12702   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
12703 }
12704
12705 static void CopyLevelTemplateToUserLevelSet(char *levelset_subdir)
12706 {
12707   char *template_filename_old = getLocalLevelTemplateFilename();
12708   char *template_filename_new =
12709     getPath2(getUserLevelDir(levelset_subdir), LEVELTEMPLATE_FILENAME);
12710
12711   if (copyFile(template_filename_old, template_filename_new) != 0)
12712     Request("Cannot copy level template!", REQ_CONFIRM);
12713
12714   free(template_filename_new);
12715 }
12716
12717 static void HandleDrawingAreas(struct GadgetInfo *gi)
12718 {
12719   static boolean started_inside_drawing_area = FALSE;
12720   static int last_sx = -1, last_sy = -1;
12721   static int last_sx2 = -1, last_sy2 = -1;
12722   int id = gi->custom_id;
12723   int type_id = gi->custom_type_id;
12724   boolean button_press_event;
12725   boolean button_release_event;
12726   boolean inside_drawing_area = !gi->event.off_borders;
12727   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
12728   int actual_drawing_function;
12729   int button = gi->event.button;
12730   int new_element = BUTTON_ELEMENT(button);
12731   int sx = gi->event.x, sy = gi->event.y;
12732   int min_sx = 0, min_sy = 0;
12733   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
12734   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
12735   int mini_item_xsize = item_xsize / 2, mini_item_ysize = item_ysize / 2;
12736   int sx2 = gi->event.mx / mini_item_xsize;
12737   int sy2 = gi->event.my / mini_item_ysize;
12738   int dx = sx2 % 2;
12739   int dy = sy2 % 2;
12740   int lx = 0, ly = 0;
12741   int min_lx = 0, min_ly = 0;
12742   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
12743   int x, y;
12744
12745   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
12746   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
12747
12748   // make sure to stay inside drawing area boundaries
12749   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
12750   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
12751
12752   if (draw_level)
12753   {
12754     // get positions inside level field
12755     lx = sx + level_xpos;
12756     ly = sy + level_ypos;
12757
12758     if (!IN_LEV_FIELD(lx, ly))
12759       inside_drawing_area = FALSE;
12760
12761     // make sure to stay inside level field boundaries
12762     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
12763     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
12764
12765     // correct drawing area positions accordingly
12766     sx = lx - level_xpos;
12767     sy = ly - level_ypos;
12768   }
12769
12770   // also correct MM wall-sized (double) drawing area positions accordingly
12771   if (sx2 / 2 < sx || sx2 / 2 > sx)
12772   {
12773     dx = (sx2 / 2 < sx ? 0 : 1);
12774     sx2 = sx * 2 + dx;
12775   }
12776   if (sy2 / 2 < sy || sy2 / 2 > sy)
12777   {
12778     dy = (sy2 / 2 < sy ? 0 : 1);
12779     sy2 = sy * 2 + dy;
12780   }
12781
12782   if (button_release_event)
12783   {
12784     last_sx = -1;
12785     last_sy = -1;
12786     last_sx2 = -1;
12787     last_sy2 = -1;
12788   }
12789   else if (!button_press_event)
12790   {
12791     int old_element = (IN_LEV_FIELD(lx, ly) ? Feld[lx][ly] : EL_UNDEFINED);
12792     boolean hires_drawing = (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
12793                              isHiresTileElement(old_element) &&
12794                              isHiresDrawElement(new_element));
12795
12796     // prevent handling events for every pixel position when moving mouse
12797     if ((sx == last_sx && sy == last_sy && !hires_drawing) ||
12798         (sx2 == last_sx2 && sy2 == last_sy2))
12799       return;
12800   }
12801
12802   last_sx = sx;
12803   last_sy = sy;
12804   last_sx2 = sx2;
12805   last_sy2 = sy2;
12806
12807   if (button_press_event)
12808     started_inside_drawing_area = inside_drawing_area;
12809
12810   if (!started_inside_drawing_area)
12811     return;
12812
12813   if (!IS_VALID_BUTTON(button))
12814     return;
12815
12816   if (!button && !button_release_event)
12817     return;
12818
12819   // handle info callback for each invocation of action callback
12820   gi->callback_info(gi);
12821
12822   // automatically switch to 'single item' drawing mode, if needed
12823   actual_drawing_function =
12824     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
12825      drawing_function : GADGET_ID_SINGLE_ITEMS);
12826
12827   // clicking into drawing area with pressed Control key picks element
12828   if (GetKeyModState() & KMOD_Control)
12829   {
12830     last_drawing_function = drawing_function;
12831     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
12832   }
12833
12834   if (GetKeyModState() & KMOD_Shift)
12835   {
12836     if (button_press_event || button_release_event)
12837       ResetIntelliDraw();
12838   }
12839
12840   SetDrawModeHiRes(-1);         // reset to normal draw mode
12841
12842   switch (actual_drawing_function)
12843   {
12844     case GADGET_ID_SINGLE_ITEMS:
12845       if (draw_level)
12846       {
12847         if (button_release_event)
12848         {
12849           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12850
12851           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
12852               !inside_drawing_area)
12853             DeleteBrushFromCursor();
12854         }
12855
12856         if (!button || button_release_event)
12857           break;
12858
12859         if (draw_with_brush)
12860         {
12861           CopyBrushToLevel(sx, sy, button);
12862         }
12863         else
12864         {
12865           SetDrawModeHiRes(new_element);
12866
12867           if (ELEM_IS_PLAYER(new_element))
12868           {
12869             // remove player at old position
12870             for (y = 0; y < lev_fieldy; y++)
12871             {
12872               for (x = 0; x < lev_fieldx; x++)
12873               {
12874                 int old_element = Feld[x][y];
12875
12876                 if (ELEM_IS_PLAYER(old_element))
12877                 {
12878                   int replaced_with_element =
12879                     (old_element == EL_SOKOBAN_FIELD_PLAYER &&
12880                      new_element == EL_PLAYER_1 ? EL_SOKOBAN_FIELD_EMPTY :
12881
12882                      old_element == EL_SOKOBAN_FIELD_PLAYER &&
12883                      new_element == old_element ? EL_SOKOBAN_FIELD_EMPTY :
12884
12885                      new_element == EL_SOKOBAN_FIELD_PLAYER &&
12886                      old_element == EL_PLAYER_1 ? EL_EMPTY :
12887
12888                      new_element >= EL_PLAYER_1 &&
12889                      new_element <= EL_PLAYER_4 &&
12890                      new_element == old_element ? EL_EMPTY :
12891
12892                      old_element);
12893
12894                   SetElement(x, y, replaced_with_element);
12895                 }
12896               }
12897             }
12898           }
12899
12900           SetElementButton(lx, ly, dx, dy, new_element, button);
12901         }
12902       }
12903       else if (!button_release_event)
12904       {
12905         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
12906
12907         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
12908           DrawMiniGraphicExt(drawto,
12909                              gi->x + sx * MINI_TILEX,
12910                              gi->y + sy * MINI_TILEY,
12911                              el2edimg(new_element));
12912         else
12913           DrawFixedGraphicExt(drawto,
12914                               gi->x + sx * TILEX,
12915                               gi->y + sy * TILEY,
12916                               el2edimg(new_element), 0);
12917
12918         if (id == GADGET_ID_CUSTOM_GRAPHIC)
12919           new_element = GFX_ELEMENT(new_element);
12920
12921         drawingarea_info[type_id].value[pos] = new_element;
12922
12923         CopyElementPropertiesToGame(properties_element);
12924
12925         if (id == GADGET_ID_CUSTOM_GRAPHIC)
12926         {
12927           UpdateCustomElementGraphicGadgets();
12928
12929           FrameCounter = 0;     // restart animation frame counter
12930         }
12931       }
12932       break;
12933
12934     case GADGET_ID_CONNECTED_ITEMS:
12935       {
12936         static int last_sx = -1;
12937         static int last_sy = -1;
12938
12939         if (button_release_event)
12940           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12941
12942         if (button)
12943         {
12944           SetDrawModeHiRes(new_element);
12945
12946           if (getDrawModeHiRes())
12947           {
12948             sx = sx2;
12949             sy = sy2;
12950           }
12951
12952           if (!button_press_event)
12953             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
12954
12955           last_sx = sx;
12956           last_sy = sy;
12957         }
12958       }
12959       break;
12960
12961     case GADGET_ID_LINE:
12962     case GADGET_ID_ARC:
12963     case GADGET_ID_RECTANGLE:
12964     case GADGET_ID_FILLED_BOX:
12965       SetDrawModeHiRes(new_element);
12966
12967       if (getDrawModeHiRes())
12968       {
12969         sx = sx2;
12970         sy = sy2;
12971       }
12972       // FALLTHROUGH
12973     case GADGET_ID_GRAB_BRUSH:
12974     case GADGET_ID_TEXT:
12975       {
12976         static int last_sx = -1;
12977         static int last_sy = -1;
12978         static int start_sx = -1;
12979         static int start_sy = -1;
12980         void (*draw_func)(int, int, int, int, int, boolean);
12981
12982         if (drawing_function == GADGET_ID_LINE)
12983           draw_func = DrawLine;
12984         else if (drawing_function == GADGET_ID_ARC)
12985           draw_func = DrawArc;
12986         else if (drawing_function == GADGET_ID_RECTANGLE)
12987           draw_func = DrawBox;
12988         else if (drawing_function == GADGET_ID_FILLED_BOX)
12989           draw_func = DrawFilledBox;
12990         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
12991           draw_func = SelectArea;
12992         else // (drawing_function == GADGET_ID_TEXT)
12993           draw_func = SetTextCursor;
12994
12995         if (button_press_event)
12996         {
12997           draw_func(sx, sy, sx, sy, new_element, FALSE);
12998           start_sx = last_sx = sx;
12999           start_sy = last_sy = sy;
13000
13001           if (drawing_function == GADGET_ID_TEXT)
13002             DrawLevelText(0, 0, 0, TEXT_END);
13003         }
13004         else if (button_release_event)
13005         {
13006           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
13007           if (drawing_function == GADGET_ID_GRAB_BRUSH)
13008           {
13009             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
13010             CopyBrushToCursor(sx, sy);
13011             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
13012                           MB_LEFTBUTTON);
13013             draw_with_brush = TRUE;
13014           }
13015           else if (drawing_function == GADGET_ID_TEXT)
13016             DrawLevelText(sx, sy, 0, TEXT_INIT);
13017           else
13018             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13019         }
13020         else if (last_sx != sx || last_sy != sy)
13021         {
13022           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
13023           if (IS_MM_WALL_EDITOR(new_element))   // clear wall background
13024             draw_func(start_sx, start_sy, sx, sy, EL_EMPTY, FALSE);
13025           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
13026           last_sx = sx;
13027           last_sy = sy;
13028         }
13029       }
13030       break;
13031
13032     case GADGET_ID_FLOOD_FILL:
13033       if (button_press_event && Feld[lx][ly] != new_element)
13034       {
13035         if (IS_MM_WALL_EDITOR(new_element))
13036           FloodFillWall_MM(sx2, sy2, new_element);
13037         else
13038           FloodFill(lx, ly, new_element);
13039
13040         DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13041         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13042       }
13043       break;
13044
13045     case GADGET_ID_PICK_ELEMENT:
13046       if (button_release_event)
13047         ClickOnGadget(level_editor_gadget[last_drawing_function],
13048                       MB_LEFTBUTTON);
13049       else if (draw_level)
13050         PickDrawingElement(button, Feld[lx][ly]);
13051       else
13052       {
13053         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
13054
13055         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
13056       }
13057
13058     default:
13059       break;
13060   }
13061
13062   // do not mark level as modified for certain non-level-changing gadgets
13063   if ((type_id >= ED_DRAWING_ID_EDITOR_FIRST &&
13064        type_id <= ED_DRAWING_ID_EDITOR_LAST) ||
13065       actual_drawing_function == GADGET_ID_GRAB_BRUSH ||
13066       actual_drawing_function == GADGET_ID_PICK_ELEMENT)
13067     return;
13068
13069   level.changed = TRUE;
13070 }
13071
13072 static void HandleCounterButtons(struct GadgetInfo *gi)
13073 {
13074   int gadget_id = gi->custom_id;
13075   int counter_id = gi->custom_type_id;
13076   int button = gi->event.button;
13077   int *counter_value = counterbutton_info[counter_id].value;
13078   int step = BUTTON_STEPSIZE(button) *
13079     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
13080
13081   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
13082   {
13083     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
13084     boolean released = (gi->event.type == GD_EVENT_RELEASED);
13085     boolean level_changed = LevelChanged();
13086
13087     if ((level_changed && pressed) || (!level_changed && released))
13088       return;
13089
13090     if (level_changed && !Request("Level has changed! Discard changes?",
13091                                   REQ_ASK))
13092     {
13093       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
13094         ModifyEditorCounterValue(counter_id, *counter_value);
13095
13096       return;
13097     }
13098   }
13099
13100   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
13101     *counter_value = gi->textinput.number_value;
13102   else
13103     ModifyEditorCounterValue(counter_id, *counter_value + step);
13104
13105   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
13106   {
13107     int last_game_engine_type = level.game_engine_type;
13108
13109     LoadLevel(level_nr);
13110     LoadScore(level_nr);
13111
13112     SaveLevelSetup_SeriesInfo();
13113
13114     TapeErase();
13115
13116     ResetUndoBuffer();
13117     DrawEditModeWindow();
13118
13119     if (level.game_engine_type != last_game_engine_type)
13120     {
13121       // update element selection list
13122       ReinitializeElementList();
13123       ModifyEditorElementList();
13124     }
13125
13126     return;
13127   }
13128
13129   switch (counter_id)
13130   {
13131     case ED_COUNTER_ID_YAMYAM_CONTENT:
13132       DrawYamYamContentAreas();
13133       break;
13134
13135     case ED_COUNTER_ID_BALL_CONTENT:
13136       DrawMagicBallContentAreas();
13137       break;
13138
13139     case ED_COUNTER_ID_ANDROID_CONTENT:
13140       DrawAndroidElementArea(properties_element);
13141       break;
13142
13143     case ED_COUNTER_ID_GROUP_CONTENT:
13144       DrawGroupElementArea(properties_element);
13145       CopyGroupElementPropertiesToGame(properties_element);
13146       break;
13147
13148     case ED_COUNTER_ID_INVENTORY_SIZE:
13149       DrawPlayerInitialInventoryArea(properties_element);
13150       break;
13151
13152     case ED_COUNTER_ID_ENVELOPE_XSIZE:
13153     case ED_COUNTER_ID_ENVELOPE_YSIZE:
13154       DrawEnvelopeTextArea(-1);
13155       break;
13156
13157     case ED_COUNTER_ID_LEVEL_XSIZE:
13158     case ED_COUNTER_ID_LEVEL_YSIZE:
13159       lev_fieldx = level.fieldx;
13160       lev_fieldy = level.fieldy;
13161
13162       // check if resizing of level results in change of border border
13163       SetBorderElement();
13164
13165       break;
13166
13167     default:
13168       break;
13169   }
13170
13171   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
13172        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
13173       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
13174        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
13175     CopyElementPropertiesToGame(properties_element);
13176
13177   // do not mark level as modified for certain non-level-changing gadgets
13178   if ((counter_id >= ED_COUNTER_ID_LEVELSET_FIRST &&
13179        counter_id <= ED_COUNTER_ID_LEVELSET_LAST) ||
13180       (counter_id >= ED_COUNTER_ID_EDITOR_FIRST &&
13181        counter_id <= ED_COUNTER_ID_EDITOR_LAST))
13182     return;
13183
13184   level.changed = TRUE;
13185 }
13186
13187 static void HandleTextInputGadgets(struct GadgetInfo *gi)
13188 {
13189   int type_id = gi->custom_type_id;
13190
13191   strcpy(textinput_info[type_id].value, gi->textinput.value);
13192
13193   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
13194   {
13195     CopyElementPropertiesToGame(properties_element);
13196
13197     ModifyEditorElementList();  // update changed button info text
13198   }
13199
13200   // do not mark level as modified for certain non-level-changing gadgets
13201   if (type_id >= ED_TEXTINPUT_ID_LEVELSET_FIRST &&
13202       type_id <= ED_TEXTINPUT_ID_LEVELSET_LAST)
13203     return;
13204
13205   level.changed = TRUE;
13206 }
13207
13208 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
13209 {
13210   int type_id = gi->custom_type_id;
13211
13212   strncpy(textarea_info[type_id].value, gi->textarea.value,
13213           MAX_ENVELOPE_TEXT_LEN);
13214   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
13215
13216   level.changed = TRUE;
13217 }
13218
13219 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
13220 {
13221   int type_id = gi->custom_type_id;
13222   int value_old = *selectbox_info[type_id].value;
13223   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
13224
13225   *selectbox_info[type_id].value = value_new;
13226
13227   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE)
13228   {
13229     DrawLevelInfoWindow();
13230   }
13231   else if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
13232   {
13233     element_info[properties_element].current_change_page = gi->selectbox.index;
13234
13235     DrawPropertiesWindow();
13236   }
13237   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
13238             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
13239            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
13240             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
13241            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
13242   {
13243     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
13244     {
13245       // when changing action type, also check action mode and action arg
13246       if (value_old != value_new)
13247         setSelectboxSpecialActionVariablesIfNeeded();
13248
13249       DrawPropertiesChange();
13250     }
13251
13252     CopyElementPropertiesToGame(properties_element);
13253   }
13254   else if (type_id == ED_SELECTBOX_ID_GAME_ENGINE_TYPE)
13255   {
13256     // update element selection list
13257     ReinitializeElementList();
13258     ModifyEditorElementList();
13259   }
13260
13261   // do not mark level as modified for certain non-level-changing gadgets
13262   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE ||
13263       type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
13264     return;
13265
13266   level.changed = TRUE;
13267 }
13268
13269 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
13270 {
13271   int type_id = gi->custom_type_id;
13272   int i;
13273
13274   if (type_id >= ED_TAB_BUTTON_ID_LEVELINFO_FIRST &&
13275       type_id <= ED_TAB_BUTTON_ID_LEVELINFO_LAST)
13276   {
13277     edit_mode_levelinfo = gi->custom_type_id;
13278
13279     DrawLevelInfoWindow();
13280   }
13281   else if (type_id >= ED_TAB_BUTTON_ID_PROPERTIES_FIRST &&
13282            type_id <= ED_TAB_BUTTON_ID_PROPERTIES_LAST)
13283   {
13284     edit_mode_properties = gi->custom_type_id;
13285
13286     DrawPropertiesWindow();
13287   }
13288   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1 ||
13289            type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2)
13290   {
13291     boolean new_template = !fileExists(getLocalLevelTemplateFilename());
13292
13293     // backup original "level.field" (needed to track playfield changes)
13294     CopyPlayfield(level.field, FieldBackup);
13295
13296     // "SaveLevelTemplate()" uses "level.field", so copy editor playfield
13297     CopyPlayfield(Feld, level.field);
13298
13299     if (new_template ||
13300         Request("Save this template and kill the old?", REQ_ASK))
13301       SaveLevelTemplate();
13302
13303     if (new_template)
13304       Request("Template saved!", REQ_CONFIRM);
13305
13306     // restore original "level.field" (needed to track playfield changes)
13307     CopyPlayfield(FieldBackup, level.field);
13308   }
13309   else if (type_id == ED_TEXTBUTTON_ID_SAVE_LEVELSET)
13310   {
13311     char *levelset_subdir = getLevelSubdirFromSaveMode(levelset_save_mode);
13312
13313     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE &&
13314         leveldir_current->readonly)
13315     {
13316       Request("This level set is read only!", REQ_CONFIRM);
13317
13318       return;
13319     }
13320
13321     if (strEqual(levelset_name, ""))
13322     {
13323       Request("Please enter level set title!", REQ_CONFIRM);
13324
13325       return;
13326     }
13327
13328     if (strEqual(levelset_author, ""))
13329     {
13330       Request("Please enter level set author!", REQ_CONFIRM);
13331
13332       return;
13333     }
13334
13335     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE)
13336     {
13337       if (UpdateUserLevelSet(levelset_subdir,
13338                              levelset_name,
13339                              levelset_author,
13340                              levelset_num_levels))
13341       {
13342         Request("Level set updated!", REQ_CONFIRM);
13343       }
13344       else
13345       {
13346         Request("Updating level set failed!", REQ_CONFIRM);
13347       }
13348     }
13349     else if (levelset_save_mode == LEVELSET_SAVE_MODE_CREATE)
13350     {
13351       if (level.changed && !Request("Level has changed! Discard changes?",
13352                                      REQ_ASK))
13353         return;
13354
13355       if (CreateUserLevelSet(levelset_subdir,
13356                              levelset_name,
13357                              levelset_author,
13358                              levelset_num_levels,
13359                              levelset_use_levelset_artwork))
13360       {
13361         if (levelset_copy_level_template)
13362           CopyLevelTemplateToUserLevelSet(levelset_subdir);
13363
13364         Request("New level set created!", REQ_CONFIRM);
13365
13366         AddUserLevelSetToLevelInfo(levelset_subdir);
13367         ChangeEditorToLevelSet(levelset_subdir);
13368       }
13369       else
13370       {
13371         Request("Creating new level set failed!", REQ_CONFIRM);
13372       }
13373     }
13374   }
13375   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
13376            custom_element.num_change_pages < MAX_CHANGE_PAGES)
13377   {
13378     struct ElementInfo *ei = &element_info[properties_element];
13379
13380     // when modifying custom element, ask for copying level template
13381     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
13382       return;
13383
13384     setElementChangePages(ei, ei->num_change_pages + 1);
13385
13386     // set new change page to be new current change page
13387     ei->current_change_page = ei->num_change_pages - 1;
13388     ei->change = &ei->change_page[ei->current_change_page];
13389
13390     setElementChangeInfoToDefaults(ei->change);
13391
13392     DrawPropertiesWindow();
13393
13394     level.changed = TRUE;
13395   }
13396   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
13397            custom_element.num_change_pages > MIN_CHANGE_PAGES)
13398   {
13399     struct ElementInfo *ei = &element_info[properties_element];
13400
13401     // when modifying custom element, ask for copying level template
13402     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
13403       return;
13404
13405     // copy all change pages after change page to be deleted
13406     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
13407       ei->change_page[i] = ei->change_page[i + 1];
13408
13409     setElementChangePages(ei, ei->num_change_pages - 1);
13410
13411     DrawPropertiesWindow();
13412
13413     level.changed = TRUE;
13414   }
13415 }
13416
13417 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
13418 {
13419   int type_id = gi->custom_type_id;
13420
13421   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
13422       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
13423   {
13424     struct ElementInfo *ei = &element_info[properties_element];
13425     int step = BUTTON_STEPSIZE(gi->event.button);
13426
13427     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
13428     ei->current_change_page += step;
13429
13430     if (ei->current_change_page < 0)
13431       ei->current_change_page = 0;
13432     else if (ei->current_change_page >= ei->num_change_pages)
13433       ei->current_change_page = ei->num_change_pages - 1;
13434
13435     DrawPropertiesWindow();
13436   }
13437   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
13438            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
13439   {
13440     struct ElementInfo *ei = &element_info[properties_element];
13441     int current_change_page = ei->current_change_page;
13442
13443     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
13444     {
13445       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
13446         ei->change_page[current_change_page];
13447     }
13448     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
13449     {
13450       // when modifying custom element, ask for copying level template
13451       if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
13452         return;
13453
13454       ei->change_page[current_change_page] =
13455         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
13456
13457       level.changed = TRUE;
13458     }
13459
13460     DrawPropertiesWindow();
13461   }
13462 }
13463
13464 static void HandleRadiobuttons(struct GadgetInfo *gi)
13465 {
13466   int type_id = gi->custom_type_id;
13467
13468   *radiobutton_info[type_id].value =
13469     radiobutton_info[type_id].checked_value;
13470
13471   // do not mark level as modified for certain non-level-changing gadgets
13472   if (type_id >= ED_RADIOBUTTON_ID_EDITOR_FIRST &&
13473       type_id <= ED_RADIOBUTTON_ID_EDITOR_LAST)
13474     return;
13475
13476   level.changed = TRUE;
13477 }
13478
13479 static void HandleCheckbuttons(struct GadgetInfo *gi)
13480 {
13481   int type_id = gi->custom_type_id;
13482
13483   *checkbutton_info[type_id].value ^= TRUE;
13484
13485   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
13486       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
13487       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
13488       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
13489          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
13490         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
13491          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
13492        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1))
13493   {
13494     CopyElementPropertiesToGame(properties_element);
13495   }
13496
13497   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
13498   {
13499     UpdateCustomElementGraphicGadgets();
13500   }
13501   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1 ||
13502            type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2)
13503   {
13504     boolean template_related_changes_found = FALSE;
13505     int i;
13506
13507     // check if any custom or group elements have been changed
13508     for (i = 0; i < NUM_FILE_ELEMENTS; i++)
13509       if ((IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)) &&
13510           element_info[i].modified_settings)
13511         template_related_changes_found = TRUE;
13512
13513     if (level.use_custom_template &&
13514         !fileExists(getGlobalLevelTemplateFilename()))
13515     {
13516       Request("No level template found!", REQ_CONFIRM);
13517
13518       level.use_custom_template = FALSE;
13519
13520       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
13521
13522       return;
13523     }
13524
13525     if (level.use_custom_template &&
13526         template_related_changes_found &&
13527         !Request("Discard changes and use level template?", REQ_ASK))
13528     {
13529       level.use_custom_template = FALSE;
13530
13531       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
13532
13533       return;
13534     }
13535
13536     if (!level.use_custom_template &&
13537         Request("Copy settings from level template?", REQ_ASK))
13538     {
13539       return;
13540     }
13541
13542     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
13543
13544     DrawEditModeWindow();
13545   }
13546   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3)
13547   {
13548     if (setup.editor.use_template_for_new_levels &&
13549         !fileExists(getGlobalLevelTemplateFilename()))
13550     {
13551       Request("No level template found!", REQ_CONFIRM);
13552
13553       return;
13554     }
13555
13556     if (setup.editor.use_template_for_new_levels &&
13557         level.changed &&
13558         !Request("Discard level and load template?", REQ_ASK))
13559     {
13560       return;
13561     }
13562
13563     if (!setup.editor.use_template_for_new_levels &&
13564         level.changed &&
13565         !Request("Discard level and use empty level?", REQ_ASK))
13566     {
13567       return;
13568     }
13569
13570     LoadLevel(level_nr);
13571     LoadScore(level_nr);
13572
13573     TapeErase();
13574
13575     ResetUndoBuffer();
13576     DrawEditModeWindow();
13577   }
13578   else if (type_id == ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS)
13579   {
13580     SetAutomaticNumberOfGemsNeeded();
13581   }
13582
13583   // do not mark level as modified for certain non-level-changing gadgets
13584   if ((type_id >= ED_CHECKBUTTON_ID_LEVELSET_FIRST &&
13585        type_id <= ED_CHECKBUTTON_ID_LEVELSET_LAST) ||
13586       (type_id >= ED_CHECKBUTTON_ID_EDITOR_FIRST &&
13587        type_id <= ED_CHECKBUTTON_ID_EDITOR_LAST &&
13588        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2) ||
13589       type_id == ED_CHECKBUTTON_ID_STICK_ELEMENT)
13590     return;
13591
13592   level.changed = TRUE;
13593 }
13594
13595 static void HandleControlButtons(struct GadgetInfo *gi)
13596 {
13597   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
13598   static int last_edit_mode = ED_MODE_DRAWING;
13599   static int last_custom_copy_mode = -1;
13600   static int last_button = 0;
13601   int id = gi->custom_id;
13602   int button = gi->event.button;
13603   int step = BUTTON_STEPSIZE(button);
13604   int new_element = BUTTON_ELEMENT(button);
13605   int last_properties_element = properties_element;
13606   int x, y;
13607
13608   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
13609     DrawLevelText(0, 0, 0, TEXT_END);
13610
13611   if (id < ED_NUM_CTRL1_BUTTONS &&
13612       id != GADGET_ID_SINGLE_ITEMS &&
13613       id != GADGET_ID_PICK_ELEMENT &&
13614       edit_mode != ED_MODE_DRAWING &&
13615       drawing_function != GADGET_ID_PICK_ELEMENT &&
13616       !(GetKeyModState() & KMOD_Control))
13617     ChangeEditModeWindow(ED_MODE_DRAWING);
13618
13619   // element copy mode active, but no element button pressed => deactivate
13620   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
13621     last_custom_copy_mode = -1;
13622
13623   // when showing palette on element buttons, change element of button used
13624   if (editor.palette.show_on_element_buttons &&
13625       id >= GADGET_ID_ELEMENT_LEFT && id <= GADGET_ID_ELEMENT_RIGHT)
13626   {
13627     last_button = id - GADGET_ID_ELEMENT_LEFT + 1;
13628
13629     id = GADGET_ID_PALETTE;
13630   }
13631
13632   switch (id)
13633   {
13634     case GADGET_ID_SCROLL_LEFT:
13635       if (level_xpos >= 0)
13636       {
13637         if (lev_fieldx < ed_fieldx - 2)
13638           break;
13639
13640         level_xpos -= step;
13641         if (level_xpos < -1)
13642           level_xpos = -1;
13643         if (button == 1)
13644           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
13645         else
13646           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13647
13648         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
13649                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
13650       }
13651       break;
13652
13653     case GADGET_ID_SCROLL_RIGHT:
13654       if (level_xpos <= lev_fieldx - ed_fieldx)
13655       {
13656         if (lev_fieldx < ed_fieldx - 2)
13657           break;
13658
13659         level_xpos += step;
13660         if (level_xpos > lev_fieldx - ed_fieldx + 1)
13661           level_xpos = lev_fieldx - ed_fieldx + 1;
13662         if (button == 1)
13663           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
13664         else
13665           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13666
13667         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
13668                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
13669       }
13670       break;
13671
13672     case GADGET_ID_SCROLL_UP:
13673       if (level_ypos >= 0)
13674       {
13675         if (lev_fieldy < ed_fieldy - 2)
13676           break;
13677
13678         level_ypos -= step;
13679         if (level_ypos < -1)
13680           level_ypos = -1;
13681         if (button == 1)
13682           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
13683         else
13684           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13685
13686         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
13687                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
13688       }
13689       break;
13690
13691     case GADGET_ID_SCROLL_DOWN:
13692       if (level_ypos <= lev_fieldy - ed_fieldy)
13693       {
13694         if (lev_fieldy < ed_fieldy - 2)
13695           break;
13696
13697         level_ypos += step;
13698         if (level_ypos > lev_fieldy - ed_fieldy + 1)
13699           level_ypos = lev_fieldy - ed_fieldy + 1;
13700         if (button == 1)
13701           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_UP);
13702         else
13703           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13704
13705         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
13706                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
13707       }
13708       break;
13709
13710     case GADGET_ID_SCROLL_HORIZONTAL:
13711       level_xpos = gi->event.item_position - 1;
13712
13713       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13714       BackToFront();
13715
13716       break;
13717
13718     case GADGET_ID_SCROLL_VERTICAL:
13719       level_ypos = gi->event.item_position - 1;
13720
13721       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13722       BackToFront();
13723
13724       break;
13725
13726     case GADGET_ID_SCROLL_LIST_UP:
13727     case GADGET_ID_SCROLL_LIST_DOWN:
13728     case GADGET_ID_SCROLL_LIST_VERTICAL:
13729       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
13730         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
13731       else
13732       {
13733         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
13734         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
13735
13736         if (element_shift < 0)
13737           element_shift = 0;
13738         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
13739           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
13740
13741         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
13742                      GDI_SCROLLBAR_ITEM_POSITION,
13743                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
13744       }
13745
13746       ModifyEditorElementList();
13747
13748       break;
13749
13750     case GADGET_ID_PROPERTIES:
13751       // always switch off element properties when they are already displayed
13752       last_properties_element = new_element;
13753     case GADGET_ID_ELEMENT_LEFT:
13754     case GADGET_ID_ELEMENT_MIDDLE:
13755     case GADGET_ID_ELEMENT_RIGHT:
13756       properties_element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
13757                             id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
13758                             id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 :
13759                             new_element);
13760
13761       if (edit_mode != ED_MODE_PROPERTIES)
13762       {
13763         last_edit_mode = edit_mode;
13764
13765         ChangeEditModeWindow(ED_MODE_PROPERTIES);
13766
13767         last_level_drawing_function = drawing_function;
13768         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
13769                       MB_LEFTBUTTON);
13770       }
13771       else if (properties_element != last_properties_element)
13772       {
13773         DrawEditModeWindow();
13774       }
13775       else
13776       {
13777         ChangeEditModeWindow(last_edit_mode);
13778
13779         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
13780                       MB_LEFTBUTTON);
13781       }
13782       break;
13783
13784     case GADGET_ID_PALETTE:
13785       if (edit_mode != ED_MODE_PALETTE)
13786       {
13787         last_edit_mode = edit_mode;
13788
13789         ChangeEditModeWindow(ED_MODE_PALETTE);
13790       }
13791       else
13792       {
13793         ChangeEditModeWindow(last_edit_mode);
13794       }
13795       break;
13796
13797     case GADGET_ID_WRAP_LEFT:
13798       WrapLevel(-step, 0);
13799       break;
13800
13801     case GADGET_ID_WRAP_RIGHT:
13802       WrapLevel(step, 0);
13803       break;
13804
13805     case GADGET_ID_WRAP_UP:
13806       WrapLevel(0, -step);
13807       break;
13808
13809     case GADGET_ID_WRAP_DOWN:
13810       WrapLevel(0, step);
13811       break;
13812
13813     case GADGET_ID_SINGLE_ITEMS:
13814     case GADGET_ID_CONNECTED_ITEMS:
13815     case GADGET_ID_LINE:
13816     case GADGET_ID_ARC:
13817     case GADGET_ID_TEXT:
13818     case GADGET_ID_RECTANGLE:
13819     case GADGET_ID_FILLED_BOX:
13820     case GADGET_ID_FLOOD_FILL:
13821     case GADGET_ID_GRAB_BRUSH:
13822     case GADGET_ID_PICK_ELEMENT:
13823       if (drawing_function != GADGET_ID_PICK_ELEMENT)
13824         last_drawing_function = drawing_function;
13825       drawing_function = id;
13826       draw_with_brush = FALSE;
13827       break;
13828
13829     case GADGET_ID_RANDOM_PLACEMENT:
13830       RandomPlacement(new_element);
13831       break;
13832
13833     case GADGET_ID_ZOOM:
13834       // zoom level editor tile size in or out (or reset to default size)
13835       ed_tilesize = (button == 1 ? ed_tilesize * 2 :
13836                      button == 2 ? ed_tilesize_default :
13837                      button == 3 ? ed_tilesize / 2 : ed_tilesize);
13838
13839       // when using touch device, cycle through all zoom tilesizes
13840       if (runtime.uses_touch_device && ed_tilesize > TILESIZE)
13841         ed_tilesize = MICRO_TILESIZE;
13842
13843       // limit zoom level by upper and lower bound
13844       ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
13845
13846       InitZoomLevelSettings(ed_tilesize);
13847
13848       if (edit_mode == ED_MODE_DRAWING)
13849       {
13850         DrawDrawingWindow();
13851
13852         // redraw zoom gadget info text
13853         PrintEditorGadgetInfoText(level_editor_gadget[id]);
13854       }
13855
13856       // save current editor zoom tilesize
13857       SaveSetup_AutoSetup();
13858
13859       break;
13860
13861     case GADGET_ID_CUSTOM_COPY_FROM:
13862     case GADGET_ID_CUSTOM_COPY_TO:
13863     case GADGET_ID_CUSTOM_EXCHANGE:
13864       last_custom_copy_mode = id;
13865       last_drawing_function = drawing_function;
13866       break;
13867
13868     case GADGET_ID_CUSTOM_COPY:
13869       CopyCustomElement(properties_element, -1, id);
13870       break;
13871
13872     case GADGET_ID_CUSTOM_PASTE:
13873       CopyCustomElement(-1, properties_element, id);
13874       break;
13875
13876     case GADGET_ID_UNDO:
13877       if (button < 0)   // keep button value (even if modifier keys are pressed)
13878         button = -button;
13879       else if (button == 1 && GetKeyModState() & (KMOD_Shift | KMOD_Control))
13880         button = 3;
13881
13882       if (button == 1 && undo_buffer_steps == 0)
13883       {
13884         Request("Undo buffer empty!", REQ_CONFIRM);
13885
13886         break;
13887       }
13888       else if (button == 2)
13889       {
13890         break;
13891       }
13892       else if (button == 3 && redo_buffer_steps == 0)
13893       {
13894         Request("Redo buffer empty!", REQ_CONFIRM);
13895
13896         break;
13897       }
13898
13899       if (edit_mode != ED_MODE_DRAWING)
13900         ChangeEditModeWindow(ED_MODE_DRAWING);
13901
13902       if (button == 1)
13903       {
13904         // undo
13905
13906         undo_buffer_position =
13907           (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
13908
13909         undo_buffer_steps--;
13910         redo_buffer_steps++;
13911       }
13912       else
13913       {
13914         // redo
13915
13916         undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
13917
13918         undo_buffer_steps++;
13919         redo_buffer_steps--;
13920       }
13921
13922       for (x = 0; x < lev_fieldx; x++)
13923         for (y = 0; y < lev_fieldy; y++)
13924           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
13925
13926       // check if undo operation forces change of border style
13927       CheckLevelBorderElement(FALSE);
13928
13929       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13930
13931       break;
13932
13933     case GADGET_ID_INFO:
13934       if (edit_mode != ED_MODE_INFO)
13935       {
13936         last_edit_mode = edit_mode;
13937
13938         ChangeEditModeWindow(ED_MODE_INFO);
13939       }
13940       else
13941       {
13942         ChangeEditModeWindow(last_edit_mode);
13943       }
13944       break;
13945
13946     case GADGET_ID_CLEAR:
13947       if (edit_mode != ED_MODE_DRAWING)
13948         ChangeEditModeWindow(ED_MODE_DRAWING);
13949
13950       for (x = 0; x < MAX_LEV_FIELDX; x++)
13951         for (y = 0; y < MAX_LEV_FIELDY; y++)
13952           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
13953
13954       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
13955
13956       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13957       break;
13958
13959     case GADGET_ID_SAVE:
13960     {
13961       // saving read-only levels into personal level set modifies global vars
13962       // "leveldir_current" and "level_nr"; restore them after saving level
13963       LevelDirTree *leveldir_former = leveldir_current;
13964       int level_nr_former = level_nr;
13965       char *level_filename;
13966       boolean new_level;
13967
13968       if (leveldir_current->readonly &&
13969           !PrepareSavingIntoPersonalLevelSet())
13970         break;
13971
13972       level_filename = getDefaultLevelFilename(level_nr);
13973       new_level = !fileExists(level_filename);
13974
13975       if (new_level ||
13976           Request("Save this level and kill the old?", REQ_ASK))
13977       {
13978         if (leveldir_former->readonly)
13979           ModifyLevelInfoForSavingIntoPersonalLevelSet(leveldir_former->name);
13980
13981         SetAutomaticNumberOfGemsNeeded();
13982
13983         CopyPlayfield(Feld, level.field);
13984         SaveLevel(level_nr);
13985
13986         level.changed = FALSE;
13987
13988         if (new_level)
13989         {
13990           char level_saved_msg[64];
13991
13992           if (leveldir_former->readonly)
13993             sprintf(level_saved_msg,
13994                     "Level saved as level %d into personal level set!",
13995                     level_nr);
13996           else
13997             strcpy(level_saved_msg, "Level saved!");
13998
13999           Request(level_saved_msg, REQ_CONFIRM);
14000         }
14001       }
14002
14003       // "cd" back to copied-from levelset (in case of saved read-only level)
14004       leveldir_current = leveldir_former;
14005       level_nr = level_nr_former;
14006
14007       break;
14008     }
14009
14010     case GADGET_ID_TEST:
14011       if (LevelChanged())
14012         level.game_version = GAME_VERSION_ACTUAL;
14013
14014       CopyPlayfield(level.field, FieldBackup);
14015       CopyPlayfield(Feld, level.field);
14016
14017       CopyNativeLevel_RND_to_Native(&level);
14018
14019       UnmapLevelEditorGadgets();
14020       UndrawSpecialEditorDoor();
14021
14022       CloseDoor(DOOR_CLOSE_ALL);
14023
14024       // needed before playing if editor playfield area has different size
14025       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
14026
14027       // redraw_mask = REDRAW_ALL;
14028
14029       level_editor_test_game = TRUE;
14030
14031       StartGameActions(FALSE, setup.autorecord, level.random_seed);
14032
14033       break;
14034
14035     case GADGET_ID_EXIT:
14036       RequestExitLevelEditor(TRUE, FALSE);  // if level has changed, ask user
14037       break;
14038
14039     default:
14040       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
14041           id <= GADGET_ID_ELEMENTLIST_LAST)
14042       {
14043         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
14044         int new_element = editor_elements[element_position + element_shift];
14045
14046         if (IS_EDITOR_CASCADE(new_element))
14047         {
14048           int i;
14049
14050           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
14051           {
14052             int *cascade_element= &(*editor_elements_info[i].headline_list)[0];
14053             boolean *cascade_value=editor_elements_info[i].setup_cascade_value;
14054
14055             if (*cascade_element == new_element)
14056             {
14057               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
14058               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
14059
14060               // update element selection list
14061               ReinitializeElementList();
14062               ModifyEditorElementList();
14063
14064               // update cascading gadget info text
14065               PrintEditorGadgetInfoText(level_editor_gadget[id]);
14066
14067               // save current editor cascading state
14068               SaveSetup_EditorCascade();
14069
14070               break;
14071             }
14072           }
14073
14074           break;
14075         }
14076
14077         if (last_custom_copy_mode != -1)
14078         {
14079           if (CopyCustomElement(properties_element, new_element,
14080                                 last_custom_copy_mode))
14081           {
14082             ClickOnGadget(level_editor_gadget[last_drawing_function],
14083                           MB_LEFTBUTTON);
14084
14085             last_custom_copy_mode = -1;
14086           }
14087
14088           break;
14089         }
14090
14091         // change element of button used to show palette
14092         if (editor.palette.show_on_element_buttons)
14093           button = last_button;
14094
14095         PickDrawingElement(button, new_element);
14096
14097         if (!stick_element_properties_window &&
14098             drawing_function != GADGET_ID_PICK_ELEMENT &&
14099             !(GetKeyModState() & KMOD_Control))
14100         {
14101           properties_element = new_element;
14102           if (edit_mode == ED_MODE_PROPERTIES)
14103             DrawPropertiesWindow();
14104         }
14105
14106         if (drawing_function == GADGET_ID_PICK_ELEMENT)
14107           ClickOnGadget(level_editor_gadget[last_drawing_function],
14108                         MB_LEFTBUTTON);
14109
14110         if (!use_permanent_palette)
14111           ChangeEditModeWindow(last_edit_mode);
14112       }
14113 #ifdef DEBUG
14114       else if (gi->event.type == GD_EVENT_PRESSED)
14115         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
14116       else if (gi->event.type == GD_EVENT_RELEASED)
14117         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
14118       else if (gi->event.type == GD_EVENT_MOVING)
14119         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
14120       else
14121         printf("default: HandleControlButtons: ? (id == %d)\n", id);
14122 #endif
14123       break;
14124   }
14125 }
14126
14127 void HandleLevelEditorKeyInput(Key key)
14128 {
14129   char letter = getCharFromKey(key);
14130
14131   if (drawing_function == GADGET_ID_TEXT &&
14132       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
14133   {
14134     if (letter)
14135       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
14136     else if (key == KSYM_Delete || key == KSYM_BackSpace)
14137       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
14138     else if (key == KSYM_Return)
14139       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
14140     else if (key == KSYM_Escape)
14141       DrawLevelText(0, 0, 0, TEXT_END);
14142
14143     return;
14144   }
14145
14146   int id = GADGET_ID_NONE;
14147   int new_element_shift = element_shift;
14148   int step = ED_ELEMENTLIST_BUTTONS_VERT - 1;
14149   int button = MB_LEFTBUTTON;
14150   int i;
14151
14152   switch (key)
14153   {
14154     case KSYM_Left:
14155       id = GADGET_ID_SCROLL_LEFT;
14156       break;
14157     case KSYM_Right:
14158       id = GADGET_ID_SCROLL_RIGHT;
14159       break;
14160     case KSYM_Up:
14161       id = GADGET_ID_SCROLL_UP;
14162       break;
14163     case KSYM_Down:
14164       id = GADGET_ID_SCROLL_DOWN;
14165       break;
14166
14167     case KSYM_Page_Up:
14168     case KSYM_Page_Down:
14169       step *= (key == KSYM_Page_Up ? -1 : +1);
14170       element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
14171
14172       if (element_shift < 0)
14173         element_shift = 0;
14174       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
14175         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
14176
14177       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
14178                    GDI_SCROLLBAR_ITEM_POSITION,
14179                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
14180
14181       ModifyEditorElementList();
14182
14183       break;
14184
14185     case KSYM_Home:
14186     case KSYM_End:
14187       element_shift = (key == KSYM_Home ? 0 :
14188                        num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
14189
14190       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
14191                    GDI_SCROLLBAR_ITEM_POSITION,
14192                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
14193
14194       ModifyEditorElementList();
14195
14196       break;
14197
14198     case KSYM_Insert:
14199     case KSYM_Delete:
14200
14201       // this is needed to prevent interference with running "True X-Mouse"
14202       if (GetKeyModStateFromEvents() & KMOD_Control)
14203         break;
14204
14205       // check for last or next editor cascade block in element list
14206       for (i = 0; i < num_editor_elements; i++)
14207       {
14208         if ((key == KSYM_Insert && i == element_shift) ||
14209             (key == KSYM_Delete && new_element_shift > element_shift))
14210           break;
14211
14212         // jump to next cascade block (or to start of element list)
14213         if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
14214           new_element_shift = i;
14215       }
14216
14217       if (i < num_editor_elements)
14218         element_shift = new_element_shift;
14219
14220       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
14221         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
14222
14223       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
14224                    GDI_SCROLLBAR_ITEM_POSITION,
14225                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
14226
14227       ModifyEditorElementList();
14228
14229       break;
14230
14231     case KSYM_Escape:
14232       if (edit_mode == ED_MODE_DRAWING)
14233         RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
14234       else if (edit_mode == ED_MODE_INFO)
14235         HandleControlButtons(level_editor_gadget[GADGET_ID_INFO]);
14236       else if (edit_mode == ED_MODE_PROPERTIES)
14237         HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
14238       else if (edit_mode == ED_MODE_PALETTE)
14239         HandleControlButtons(level_editor_gadget[GADGET_ID_PALETTE]);
14240       else              // should never happen
14241         ChangeEditModeWindow(ED_MODE_DRAWING);
14242
14243       break;
14244
14245     default:
14246       break;
14247   }
14248
14249   if (id != GADGET_ID_NONE)
14250     ClickOnGadget(level_editor_gadget[id], button);
14251   else if (letter == '1' || letter == '?')
14252     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_LEFT], button);
14253   else if (letter == '2')
14254     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_MIDDLE], button);
14255   else if (letter == '3')
14256     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_RIGHT], button);
14257   else if (letter == '.')
14258     ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
14259   else if (letter == 'U')
14260     ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
14261   else if (letter == '-' || key == KSYM_KP_Subtract)
14262     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 3);
14263   else if (letter == '0' || key == KSYM_KP_0)
14264     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 2);
14265   else if (letter == '+' || key == KSYM_KP_Add ||
14266            letter == '=')       // ("Shift-=" is "+" on US keyboards)
14267     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 1);
14268   else if (key == KSYM_Return ||
14269            key == KSYM_space ||
14270            key == setup.shortcut.toggle_pause)
14271     ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
14272   else
14273     for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
14274       if (letter && letter == controlbutton_info[i].shortcut)
14275         if (!anyTextGadgetActive())
14276           ClickOnGadget(level_editor_gadget[i], button);
14277 }
14278
14279 void HandleLevelEditorIdle(void)
14280 {
14281   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
14282   int x = editor.settings.element_graphic.x + element_border;
14283   int y = editor.settings.element_graphic.y + element_border;
14284   static unsigned int action_delay = 0;
14285   unsigned int action_delay_value = GameFrameDelay;
14286   int i;
14287
14288   if (edit_mode != ED_MODE_PROPERTIES)
14289     return;
14290
14291   if (!DelayReached(&action_delay, action_delay_value))
14292     return;
14293
14294   for (i = 0; i < ED_NUM_SELECTBOX; i++)
14295   {
14296     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
14297
14298     if (gi->mapped && gi->active && gi->selectbox.open)
14299       return;
14300   }
14301
14302   DrawEditorElementAnimation(SX + x, SY + y);
14303
14304   redraw_mask |= REDRAW_FIELD;
14305
14306   FrameCounter++;       // increase animation frame counter
14307 }
14308
14309 static void ClearEditorGadgetInfoText(void)
14310 {
14311   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
14312 }
14313
14314 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
14315 {
14316   char infotext[MAX_OUTPUT_LINESIZE + 1];
14317   char shortcut[MAX_OUTPUT_LINESIZE + 1];
14318   int max_infotext_len = getMaxInfoTextLength();
14319
14320   if (gi == NULL || strlen(gi->info_text) == 0)
14321     return;
14322
14323   strncpy(infotext, gi->info_text, max_infotext_len);
14324   infotext[max_infotext_len] = '\0';
14325
14326   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
14327   {
14328     int key = controlbutton_info[gi->custom_id].shortcut;
14329
14330     if (key)
14331     {
14332       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)
14333         sprintf(shortcut, " ('.' or '%c')", key);
14334       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT)
14335         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
14336       else if (gi->custom_id == GADGET_ID_TEST)
14337         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
14338       else if (gi->custom_id == GADGET_ID_UNDO)
14339         sprintf(shortcut, " ('%c/Shift-U')", key);
14340       else if (gi->custom_id == GADGET_ID_ZOOM)
14341         sprintf(shortcut, " ('%c', '0', '-')", key);
14342       else
14343         sprintf(shortcut, " ('%s%c')",
14344                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
14345
14346       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
14347         strcat(infotext, shortcut);
14348     }
14349   }
14350
14351   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, INFOTEXT_FONT);
14352 }
14353
14354 void HandleEditorGadgetInfoText(void *ptr)
14355 {
14356   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
14357
14358   if (game_status != GAME_MODE_EDITOR)
14359     return;
14360
14361   ClearEditorGadgetInfoText();
14362
14363   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
14364     return;
14365
14366   // misuse this function to delete brush cursor, if needed
14367   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
14368     DeleteBrushFromCursor();
14369
14370   PrintEditorGadgetInfoText(gi);
14371 }
14372
14373 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
14374 {
14375   static int start_lx, start_ly;
14376   int id = gi->custom_id;
14377   int type_id = gi->custom_type_id;
14378   int sx = gi->event.x;
14379   int sy = gi->event.y;
14380   int lx = sx + level_xpos;
14381   int ly = sy + level_ypos;
14382   int min_sx = 0, min_sy = 0;
14383   int max_sx = gi->drawing.area_xsize - 1;
14384   int max_sy = gi->drawing.area_ysize - 1;
14385   int actual_drawing_function = drawing_function;
14386   int max_infotext_len = getMaxInfoTextLength();
14387   char infotext[MAX_OUTPUT_LINESIZE + 1];
14388   char *text;
14389
14390   infotext[0] = '\0';           // start with empty info text
14391
14392   // pressed Control key: simulate picking element
14393   if (GetKeyModState() & KMOD_Control)
14394     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
14395
14396   ClearEditorGadgetInfoText();
14397
14398   if (gi->event.type == GD_EVENT_INFO_LEAVING)
14399     return;
14400
14401   // make sure to stay inside drawing area boundaries
14402   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
14403   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
14404
14405   if (id == GADGET_ID_DRAWING_LEVEL)
14406   {
14407     if (button_status)
14408     {
14409       int min_lx = 0, min_ly = 0;
14410       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
14411
14412       // get positions inside level field
14413       lx = sx + level_xpos;
14414       ly = sy + level_ypos;
14415
14416       // make sure to stay inside level field boundaries
14417       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
14418       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
14419
14420       // correct drawing area positions accordingly
14421       sx = lx - level_xpos;
14422       sy = ly - level_ypos;
14423     }
14424
14425     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
14426     {
14427       if (button_status)        // if (gi->state == GD_BUTTON_PRESSED)
14428       {
14429         if (gi->event.type == GD_EVENT_PRESSED)
14430         {
14431           start_lx = lx;
14432           start_ly = ly;
14433         }
14434
14435         switch (actual_drawing_function)
14436         {
14437           case GADGET_ID_SINGLE_ITEMS:
14438             text = "Drawing single items";
14439             break;
14440           case GADGET_ID_CONNECTED_ITEMS:
14441             text = "Drawing connected items";
14442             break;
14443           case GADGET_ID_LINE:
14444             text = "Drawing line";
14445             break;
14446           case GADGET_ID_ARC:
14447             text = "Drawing arc";
14448             break;
14449           case GADGET_ID_TEXT:
14450             text = "Setting text cursor";
14451             break;
14452           case GADGET_ID_RECTANGLE:
14453             text = "Drawing rectangle";
14454             break;
14455           case GADGET_ID_FILLED_BOX:
14456             text = "Drawing filled box";
14457             break;
14458           case GADGET_ID_FLOOD_FILL:
14459             text = "Flood fill";
14460             break;
14461           case GADGET_ID_GRAB_BRUSH:
14462             text = "Grabbing brush";
14463             break;
14464           case GADGET_ID_PICK_ELEMENT:
14465             text = "Picking element";
14466             break;
14467
14468           default:
14469             text = "Drawing position";
14470             break;
14471         }
14472
14473         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
14474           sprintf(infotext, "%s: %d, %d", text, lx, ly);
14475         else
14476           sprintf(infotext, "%s: %d, %d", text,
14477                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
14478       }
14479       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
14480         strncpy(infotext, getElementInfoText(Feld[lx][ly]), max_infotext_len);
14481       else
14482         sprintf(infotext, "Level position: %d, %d", lx, ly);
14483     }
14484
14485     // misuse this function to draw brush cursor, if needed
14486     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
14487     {
14488       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
14489         CopyBrushToCursor(sx, sy);
14490       else
14491         DeleteBrushFromCursor();
14492     }
14493
14494     if (!draw_with_brush)
14495       UpdateBrushPosition(sx, sy);
14496   }
14497   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
14498   {
14499     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
14500     int element = drawingarea_info[type_id].value[pos];
14501
14502     strncpy(infotext, getElementInfoText(element), max_infotext_len);
14503   }
14504   else
14505   {
14506     if (id == GADGET_ID_CUSTOM_CONTENT)
14507       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
14508     else if (id == GADGET_ID_GROUP_CONTENT)
14509       sprintf(infotext, "group element position: %d", sx + 1);
14510     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
14511              id <= GADGET_ID_YAMYAM_CONTENT_7)
14512       sprintf(infotext, "content area %d position: %d, %d",
14513               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
14514     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
14515              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
14516       sprintf(infotext, "content area %d position: %d, %d",
14517               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
14518     else if (id == GADGET_ID_ANDROID_CONTENT)
14519       sprintf(infotext, "android element position: %d", sx + 1);
14520     else if (drawingarea_info[type_id].infotext != NULL)
14521       strcpy(infotext, drawingarea_info[type_id].infotext);
14522   }
14523
14524   infotext[max_infotext_len] = '\0';
14525
14526   if (strlen(infotext) > 0)
14527     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT, infotext);
14528 }
14529
14530 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
14531                             boolean quick_quit)
14532 {
14533   if (!ask_if_level_has_changed ||
14534       !LevelChanged() ||
14535       Request("Level has changed! Exit without saving?",
14536               REQ_ASK | REQ_STAY_OPEN))
14537   {
14538     struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
14539     struct RectWithBorder *vp_door_2 = &viewport.door_2[GAME_MODE_MAIN];
14540
14541     // draw normal door
14542     UndrawSpecialEditorDoor();
14543
14544     // use door animation if door 1 viewport is unchanged and contains toolbox
14545     if (useEditorDoorAnimation())
14546       CloseDoor(DOOR_CLOSE_1 | DOOR_FORCE_ANIM);
14547
14548     // close editor doors if viewport definition is the same as in main menu
14549     if (vp_door_1->x      == DX     &&
14550         vp_door_1->y      == DY     &&
14551         vp_door_1->width  == DXSIZE &&
14552         vp_door_1->height == DYSIZE &&
14553         vp_door_2->x      == VX     &&
14554         vp_door_2->y      == VY     &&
14555         vp_door_2->width  == VXSIZE &&
14556         vp_door_2->height == VYSIZE)
14557       CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
14558     else
14559       SetDoorState(DOOR_CLOSE_2);
14560
14561     BackToFront();
14562
14563     if (quick_quit)
14564       FadeSkipNextFadeIn();
14565
14566     SetGameStatus(GAME_MODE_MAIN);
14567
14568     DrawMainMenu();
14569   }
14570   else
14571   {
14572     if (!global.use_envelope_request)
14573     {
14574       CloseDoor(DOOR_CLOSE_1);
14575       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
14576     }
14577   }
14578 }