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 //                  https://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_CONF,
 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_BD_CYCLE_DELAY_MS_DOWN,
 433   GADGET_ID_BD_CYCLE_DELAY_MS_TEXT,
 434   GADGET_ID_BD_CYCLE_DELAY_MS_UP,
 435   GADGET_ID_BD_CYCLE_DELAY_C64_DOWN,
 436   GADGET_ID_BD_CYCLE_DELAY_C64_TEXT,
 437   GADGET_ID_BD_CYCLE_DELAY_C64_UP,
 438   GADGET_ID_BD_HATCHING_DELAY_CYCLES_DOWN,
 439   GADGET_ID_BD_HATCHING_DELAY_CYCLES_TEXT,
 440   GADGET_ID_BD_HATCHING_DELAY_CYCLES_UP,
 441   GADGET_ID_BD_HATCHING_DELAY_SECONDS_DOWN,
 442   GADGET_ID_BD_HATCHING_DELAY_SECONDS_TEXT,
 443   GADGET_ID_BD_HATCHING_DELAY_SECONDS_UP,
 444   GADGET_ID_ELEMENT_VALUE1_DOWN,
 445   GADGET_ID_ELEMENT_VALUE1_TEXT,
 446   GADGET_ID_ELEMENT_VALUE1_UP,
 447   GADGET_ID_ELEMENT_VALUE2_DOWN,
 448   GADGET_ID_ELEMENT_VALUE2_TEXT,
 449   GADGET_ID_ELEMENT_VALUE2_UP,
 450   GADGET_ID_ELEMENT_VALUE3_DOWN,
 451   GADGET_ID_ELEMENT_VALUE3_TEXT,
 452   GADGET_ID_ELEMENT_VALUE3_UP,
 453   GADGET_ID_ELEMENT_VALUE4_DOWN,
 454   GADGET_ID_ELEMENT_VALUE4_TEXT,
 455   GADGET_ID_ELEMENT_VALUE4_UP,
 456   GADGET_ID_YAMYAM_CONTENT_DOWN,
 457   GADGET_ID_YAMYAM_CONTENT_TEXT,
 458   GADGET_ID_YAMYAM_CONTENT_UP,
 459   GADGET_ID_BALL_CONTENT_DOWN,
 460   GADGET_ID_BALL_CONTENT_TEXT,
 461   GADGET_ID_BALL_CONTENT_UP,
 462   GADGET_ID_ANDROID_CONTENT_DOWN,
 463   GADGET_ID_ANDROID_CONTENT_TEXT,
 464   GADGET_ID_ANDROID_CONTENT_UP,
 465   GADGET_ID_ENVELOPE_XSIZE_DOWN,
 466   GADGET_ID_ENVELOPE_XSIZE_TEXT,
 467   GADGET_ID_ENVELOPE_XSIZE_UP,
 468   GADGET_ID_ENVELOPE_YSIZE_DOWN,
 469   GADGET_ID_ENVELOPE_YSIZE_TEXT,
 470   GADGET_ID_ENVELOPE_YSIZE_UP,
 471   GADGET_ID_INVENTORY_SIZE_DOWN,
 472   GADGET_ID_INVENTORY_SIZE_TEXT,
 473   GADGET_ID_INVENTORY_SIZE_UP,
 474   GADGET_ID_MM_BALL_CONTENT_DOWN,
 475   GADGET_ID_MM_BALL_CONTENT_TEXT,
 476   GADGET_ID_MM_BALL_CONTENT_UP,
 477   GADGET_ID_CUSTOM_SCORE_DOWN,
 478   GADGET_ID_CUSTOM_SCORE_TEXT,
 479   GADGET_ID_CUSTOM_SCORE_UP,
 480   GADGET_ID_CUSTOM_GEMCOUNT_DOWN,
 481   GADGET_ID_CUSTOM_GEMCOUNT_TEXT,
 482   GADGET_ID_CUSTOM_GEMCOUNT_UP,
 483   GADGET_ID_CUSTOM_VALUE_FIX_DOWN,
 484   GADGET_ID_CUSTOM_VALUE_FIX_TEXT,
 485   GADGET_ID_CUSTOM_VALUE_FIX_UP,
 486   GADGET_ID_CUSTOM_VALUE_RND_DOWN,
 487   GADGET_ID_CUSTOM_VALUE_RND_TEXT,
 488   GADGET_ID_CUSTOM_VALUE_RND_UP,
 489   GADGET_ID_PUSH_DELAY_FIX_DOWN,
 490   GADGET_ID_PUSH_DELAY_FIX_TEXT,
 491   GADGET_ID_PUSH_DELAY_FIX_UP,
 492   GADGET_ID_PUSH_DELAY_RND_DOWN,
 493   GADGET_ID_PUSH_DELAY_RND_TEXT,
 494   GADGET_ID_PUSH_DELAY_RND_UP,
 495   GADGET_ID_DROP_DELAY_FIX_DOWN,
 496   GADGET_ID_DROP_DELAY_FIX_TEXT,
 497   GADGET_ID_DROP_DELAY_FIX_UP,
 498   GADGET_ID_DROP_DELAY_RND_DOWN,
 499   GADGET_ID_DROP_DELAY_RND_TEXT,
 500   GADGET_ID_DROP_DELAY_RND_UP,
 501   GADGET_ID_MOVE_DELAY_FIX_DOWN,
 502   GADGET_ID_MOVE_DELAY_FIX_TEXT,
 503   GADGET_ID_MOVE_DELAY_FIX_UP,
 504   GADGET_ID_MOVE_DELAY_RND_DOWN,
 505   GADGET_ID_MOVE_DELAY_RND_TEXT,
 506   GADGET_ID_MOVE_DELAY_RND_UP,
 507   GADGET_ID_STEP_DELAY_FIX_DOWN,
 508   GADGET_ID_STEP_DELAY_FIX_TEXT,
 509   GADGET_ID_STEP_DELAY_FIX_UP,
 510   GADGET_ID_STEP_DELAY_RND_DOWN,
 511   GADGET_ID_STEP_DELAY_RND_TEXT,
 512   GADGET_ID_STEP_DELAY_RND_UP,
 513   GADGET_ID_EXPLOSION_DELAY_DOWN,
 514   GADGET_ID_EXPLOSION_DELAY_TEXT,
 515   GADGET_ID_EXPLOSION_DELAY_UP,
 516   GADGET_ID_IGNITION_DELAY_DOWN,
 517   GADGET_ID_IGNITION_DELAY_TEXT,
 518   GADGET_ID_IGNITION_DELAY_UP,
 519   GADGET_ID_CHANGE_DELAY_FIX_DOWN,
 520   GADGET_ID_CHANGE_DELAY_FIX_TEXT,
 521   GADGET_ID_CHANGE_DELAY_FIX_UP,
 522   GADGET_ID_CHANGE_DELAY_RND_DOWN,
 523   GADGET_ID_CHANGE_DELAY_RND_TEXT,
 524   GADGET_ID_CHANGE_DELAY_RND_UP,
 525   GADGET_ID_CHANGE_CONT_RND_DOWN,
 526   GADGET_ID_CHANGE_CONT_RND_TEXT,
 527   GADGET_ID_CHANGE_CONT_RND_UP,
 528   GADGET_ID_GROUP_CONTENT_DOWN,
 529   GADGET_ID_GROUP_CONTENT_TEXT,
 530   GADGET_ID_GROUP_CONTENT_UP,
 531
 532   // drawing area identifiers
 533
 534   GADGET_ID_DRAWING_LEVEL,
 535   GADGET_ID_YAMYAM_CONTENT_0,
 536   GADGET_ID_YAMYAM_CONTENT_1,
 537   GADGET_ID_YAMYAM_CONTENT_2,
 538   GADGET_ID_YAMYAM_CONTENT_3,
 539   GADGET_ID_YAMYAM_CONTENT_4,
 540   GADGET_ID_YAMYAM_CONTENT_5,
 541   GADGET_ID_YAMYAM_CONTENT_6,
 542   GADGET_ID_YAMYAM_CONTENT_7,
 543   GADGET_ID_MAGIC_BALL_CONTENT_0,
 544   GADGET_ID_MAGIC_BALL_CONTENT_1,
 545   GADGET_ID_MAGIC_BALL_CONTENT_2,
 546   GADGET_ID_MAGIC_BALL_CONTENT_3,
 547   GADGET_ID_MAGIC_BALL_CONTENT_4,
 548   GADGET_ID_MAGIC_BALL_CONTENT_5,
 549   GADGET_ID_MAGIC_BALL_CONTENT_6,
 550   GADGET_ID_MAGIC_BALL_CONTENT_7,
 551   GADGET_ID_ANDROID_CONTENT,
 552   GADGET_ID_AMOEBA_CONTENT,
 553   GADGET_ID_START_ELEMENT,
 554   GADGET_ID_ARTWORK_ELEMENT,
 555   GADGET_ID_EXPLOSION_ELEMENT,
 556   GADGET_ID_INVENTORY_CONTENT,
 557   GADGET_ID_MM_BALL_CONTENT,
 558   GADGET_ID_CUSTOM_GRAPHIC,
 559   GADGET_ID_CUSTOM_CONTENT,
 560   GADGET_ID_CUSTOM_MOVE_ENTER,
 561   GADGET_ID_CUSTOM_MOVE_LEAVE,
 562   GADGET_ID_CUSTOM_CHANGE_TARGET,
 563   GADGET_ID_CUSTOM_CHANGE_CONTENT,
 564   GADGET_ID_CUSTOM_CHANGE_TRIGGER,
 565   GADGET_ID_CUSTOM_CHANGE_ACTION,
 566   GADGET_ID_GROUP_CONTENT,
 567   GADGET_ID_RANDOM_BACKGROUND,
 568
 569   // text input identifiers
 570
 571   GADGET_ID_LEVEL_NAME,
 572   GADGET_ID_LEVEL_AUTHOR,
 573   GADGET_ID_LEVELSET_NAME,
 574   GADGET_ID_LEVELSET_AUTHOR,
 575   GADGET_ID_ELEMENT_NAME,
 576
 577   // text area identifiers
 578
 579   GADGET_ID_ENVELOPE_INFO,
 580
 581   // selectbox identifiers
 582
 583   GADGET_ID_TIME_OR_STEPS,
 584   GADGET_ID_TIME_SCORE_BASE,
 585   GADGET_ID_GAME_ENGINE_TYPE,
 586   GADGET_ID_BD_SCHEDULING_TYPE,
 587   GADGET_ID_LEVELSET_SAVE_MODE,
 588   GADGET_ID_WIND_DIRECTION,
 589   GADGET_ID_PLAYER_SPEED,
 590   GADGET_ID_MM_BALL_CHOICE_MODE,
 591   GADGET_ID_CUSTOM_WALK_TO_ACTION,
 592   GADGET_ID_CUSTOM_EXPLOSION_TYPE,
 593   GADGET_ID_CUSTOM_DEADLINESS,
 594   GADGET_ID_CUSTOM_MOVE_PATTERN,
 595   GADGET_ID_CUSTOM_MOVE_DIRECTION,
 596   GADGET_ID_CUSTOM_MOVE_STEPSIZE,
 597   GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
 598   GADGET_ID_CUSTOM_SMASH_TARGETS,
 599   GADGET_ID_CUSTOM_SLIPPERY_TYPE,
 600   GADGET_ID_CUSTOM_ACCESS_TYPE,
 601   GADGET_ID_CUSTOM_ACCESS_LAYER,
 602   GADGET_ID_CUSTOM_ACCESS_PROTECTED,
 603   GADGET_ID_CUSTOM_ACCESS_DIRECTION,
 604   GADGET_ID_CHANGE_TIME_UNITS,
 605   GADGET_ID_CHANGE_DIRECT_ACTION,
 606   GADGET_ID_CHANGE_OTHER_ACTION,
 607   GADGET_ID_CHANGE_SIDE,
 608   GADGET_ID_CHANGE_PLAYER,
 609   GADGET_ID_CHANGE_PAGE,
 610   GADGET_ID_CHANGE_REPLACE_WHEN,
 611   GADGET_ID_ACTION_TYPE,
 612   GADGET_ID_ACTION_MODE,
 613   GADGET_ID_ACTION_ARG,
 614   GADGET_ID_SELECT_CHANGE_PAGE,
 615   GADGET_ID_GROUP_CHOICE_MODE,
 616
 617   // textbutton identifiers
 618
 619   GADGET_ID_LEVELCONFIG_LEVEL,
 620   GADGET_ID_LEVELCONFIG_LEVELSET,
 621   GADGET_ID_LEVELCONFIG_EDITOR,
 622   GADGET_ID_LEVELCONFIG_ENGINE,
 623   GADGET_ID_PROPERTIES_INFO,
 624   GADGET_ID_PROPERTIES_CONFIG,
 625   GADGET_ID_PROPERTIES_CONFIG_1,
 626   GADGET_ID_PROPERTIES_CONFIG_2,
 627   GADGET_ID_PROPERTIES_CHANGE,
 628   GADGET_ID_SAVE_AS_TEMPLATE_1,
 629   GADGET_ID_SAVE_AS_TEMPLATE_2,
 630   GADGET_ID_SAVE_LEVELSET,
 631   GADGET_ID_ADD_CHANGE_PAGE,
 632   GADGET_ID_DEL_CHANGE_PAGE,
 633
 634   // graphicbutton identifiers
 635
 636   GADGET_ID_PREV_CHANGE_PAGE,
 637   GADGET_ID_NEXT_CHANGE_PAGE,
 638   GADGET_ID_COPY_CHANGE_PAGE,
 639   GADGET_ID_PASTE_CHANGE_PAGE,
 640
 641   // gadgets for scrolling of drawing area
 642
 643   GADGET_ID_SCROLL_UP,
 644   GADGET_ID_SCROLL_DOWN,
 645   GADGET_ID_SCROLL_LEFT,
 646   GADGET_ID_SCROLL_RIGHT,
 647   GADGET_ID_SCROLL_HORIZONTAL,
 648   GADGET_ID_SCROLL_VERTICAL,
 649
 650   // gadgets for scrolling element list
 651
 652   GADGET_ID_SCROLL_LIST_UP,
 653   GADGET_ID_SCROLL_LIST_DOWN,
 654   GADGET_ID_SCROLL_LIST_VERTICAL,
 655
 656   // checkbuttons/radiobuttons for level/element properties
 657
 658   GADGET_ID_AUTO_COUNT_GEMS,
 659   GADGET_ID_RATE_TIME_OVER_SCORE,
 660   GADGET_ID_USE_LEVELSET_ARTWORK,
 661   GADGET_ID_COPY_LEVEL_TEMPLATE,
 662   GADGET_ID_RANDOM_PERCENTAGE,
 663   GADGET_ID_RANDOM_QUANTITY,
 664   GADGET_ID_RANDOM_RESTRICTED,
 665   GADGET_ID_BD_INTERMISSION,
 666   GADGET_ID_BD_PAL_TIMING,
 667   GADGET_ID_BD_LINE_SHIFTING_BORDERS,
 668   GADGET_ID_BD_SCAN_FIRST_AND_LAST_ROW,
 669   GADGET_ID_BD_SHORT_EXPLOSIONS,
 670   GADGET_ID_STICK_ELEMENT,
 671   GADGET_ID_EM_SLIPPERY_GEMS,
 672   GADGET_ID_EM_EXPLODES_BY_FIRE,
 673   GADGET_ID_USE_SPRING_BUG,
 674   GADGET_ID_USE_TIME_ORB_BUG,
 675   GADGET_ID_USE_LIFE_BUGS,
 676   GADGET_ID_RANDOM_BALL_CONTENT,
 677   GADGET_ID_INITIAL_BALL_ACTIVE,
 678   GADGET_ID_GROW_INTO_DIGGABLE,
 679   GADGET_ID_SB_FIELDS_NEEDED,
 680   GADGET_ID_SB_OBJECTS_NEEDED,
 681   GADGET_ID_AUTO_EXIT_SOKOBAN,
 682   GADGET_ID_SOLVED_BY_ONE_PLAYER,
 683   GADGET_ID_FINISH_DIG_COLLECT,
 684   GADGET_ID_KEEP_WALKABLE_CE,
 685   GADGET_ID_CONTINUOUS_SNAPPING,
 686   GADGET_ID_BLOCK_SNAP_FIELD,
 687   GADGET_ID_BLOCK_LAST_FIELD,
 688   GADGET_ID_SP_BLOCK_LAST_FIELD,
 689   GADGET_ID_INSTANT_RELOCATION,
 690   GADGET_ID_SHIFTED_RELOCATION,
 691   GADGET_ID_LAZY_RELOCATION,
 692   GADGET_ID_USE_START_ELEMENT,
 693   GADGET_ID_USE_ARTWORK_ELEMENT,
 694   GADGET_ID_USE_EXPLOSION_ELEMENT,
 695   GADGET_ID_INITIAL_GRAVITY,
 696   GADGET_ID_USE_INITIAL_INVENTORY,
 697   GADGET_ID_CAN_PASS_TO_WALKABLE,
 698   GADGET_ID_CAN_FALL_INTO_ACID,
 699   GADGET_ID_CAN_MOVE_INTO_ACID,
 700   GADGET_ID_DONT_COLLIDE_WITH,
 701   GADGET_ID_BD_DIAGONAL_MOVEMENTS,
 702   GADGET_ID_ENVELOPE_AUTOWRAP,
 703   GADGET_ID_ENVELOPE_CENTERED,
 704   GADGET_ID_MM_LASER_RED,
 705   GADGET_ID_MM_LASER_GREEN,
 706   GADGET_ID_MM_LASER_BLUE,
 707   GADGET_ID_DF_LASER_RED,
 708   GADGET_ID_DF_LASER_GREEN,
 709   GADGET_ID_DF_LASER_BLUE,
 710   GADGET_ID_ROTATE_MM_BALL_CONTENT,
 711   GADGET_ID_EXPLODE_MM_BALL,
 712   GADGET_ID_CUSTOM_INDESTRUCTIBLE,
 713   GADGET_ID_CUSTOM_CAN_EXPLODE,
 714   GADGET_ID_CUSTOM_EXPLODE_FIRE,
 715   GADGET_ID_CUSTOM_EXPLODE_SMASH,
 716   GADGET_ID_CUSTOM_EXPLODE_IMPACT,
 717   GADGET_ID_CUSTOM_WALK_TO_OBJECT,
 718   GADGET_ID_CUSTOM_DEADLY,
 719   GADGET_ID_CUSTOM_CAN_MOVE,
 720   GADGET_ID_CUSTOM_CAN_FALL,
 721   GADGET_ID_CUSTOM_CAN_SMASH,
 722   GADGET_ID_CUSTOM_SLIPPERY,
 723   GADGET_ID_CUSTOM_ACCESSIBLE,
 724   GADGET_ID_CUSTOM_GRAV_REACHABLE,
 725   GADGET_ID_CUSTOM_USE_LAST_VALUE,
 726   GADGET_ID_CUSTOM_USE_GRAPHIC,
 727   GADGET_ID_CUSTOM_USE_TEMPLATE_1,
 728   GADGET_ID_CUSTOM_USE_TEMPLATE_2,
 729   GADGET_ID_CUSTOM_USE_TEMPLATE_3,
 730   GADGET_ID_CUSTOM_CAN_CHANGE,
 731   GADGET_ID_CHANGE_USE_CONTENT,
 732   GADGET_ID_CHANGE_USE_EXPLOSION,
 733   GADGET_ID_CHANGE_ONLY_COMPLETE,
 734   GADGET_ID_CHANGE_USE_RANDOM,
 735   GADGET_ID_CHANGE_HAS_ACTION,
 736   GADGET_ID_CHANGE_DELAY,
 737   GADGET_ID_CHANGE_BY_DIRECT_ACT,
 738   GADGET_ID_CHANGE_BY_OTHER_ACT,
 739
 740   NUM_STATIC_GADGET_IDS
 741 };
 742
 743 // gadgets for buttons in element list (dynamic)
 744 #define GADGET_ID_ELEMENTLIST_FIRST     (NUM_STATIC_GADGET_IDS)
 745 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 746                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 747
 748 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 749
 750 // radio button numbers
 751 enum
 752 {
 753   RADIO_NR_NONE,
 754   RADIO_NR_DRAWING_TOOLBOX,
 755   RADIO_NR_RANDOM_ELEMENTS
 756 };
 757
 758 // values for counter gadgets
 759 enum
 760 {
 761   ED_COUNTER_ID_SELECT_LEVEL,
 762   ED_COUNTER_ID_LEVEL_XSIZE,
 763   ED_COUNTER_ID_LEVEL_YSIZE,
 764   ED_COUNTER_ID_LEVEL_GEMSLIMIT,
 765   ED_COUNTER_ID_LEVEL_TIMELIMIT,
 766   ED_COUNTER_ID_LEVEL_TIMESCORE,
 767   ED_COUNTER_ID_LEVEL_RANDOM_SEED,
 768   ED_COUNTER_ID_LEVELSET_NUM_LEVELS,
 769   ED_COUNTER_ID_LEVEL_RANDOM,
 770   ED_COUNTER_ID_BD_CYCLE_DELAY_MS,
 771   ED_COUNTER_ID_BD_CYCLE_DELAY_C64,
 772   ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES,
 773   ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS,
 774   ED_COUNTER_ID_ELEMENT_VALUE1,
 775   ED_COUNTER_ID_ELEMENT_VALUE2,
 776   ED_COUNTER_ID_ELEMENT_VALUE3,
 777   ED_COUNTER_ID_ELEMENT_VALUE4,
 778   ED_COUNTER_ID_YAMYAM_CONTENT,
 779   ED_COUNTER_ID_BALL_CONTENT,
 780   ED_COUNTER_ID_ANDROID_CONTENT,
 781   ED_COUNTER_ID_ENVELOPE_XSIZE,
 782   ED_COUNTER_ID_ENVELOPE_YSIZE,
 783   ED_COUNTER_ID_INVENTORY_SIZE,
 784   ED_COUNTER_ID_MM_BALL_CONTENT,
 785   ED_COUNTER_ID_CUSTOM_SCORE,
 786   ED_COUNTER_ID_CUSTOM_GEMCOUNT,
 787   ED_COUNTER_ID_CUSTOM_VALUE_FIX,
 788   ED_COUNTER_ID_CUSTOM_VALUE_RND,
 789   ED_COUNTER_ID_PUSH_DELAY_FIX,
 790   ED_COUNTER_ID_PUSH_DELAY_RND,
 791   ED_COUNTER_ID_DROP_DELAY_FIX,
 792   ED_COUNTER_ID_DROP_DELAY_RND,
 793   ED_COUNTER_ID_MOVE_DELAY_FIX,
 794   ED_COUNTER_ID_MOVE_DELAY_RND,
 795   ED_COUNTER_ID_STEP_DELAY_FIX,
 796   ED_COUNTER_ID_STEP_DELAY_RND,
 797   ED_COUNTER_ID_EXPLOSION_DELAY,
 798   ED_COUNTER_ID_IGNITION_DELAY,
 799   ED_COUNTER_ID_GROUP_CONTENT,
 800   ED_COUNTER_ID_CHANGE_DELAY_FIX,
 801   ED_COUNTER_ID_CHANGE_DELAY_RND,
 802   ED_COUNTER_ID_CHANGE_CONT_RND,
 803
 804   ED_NUM_COUNTERBUTTONS
 805 };
 806
 807 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 808 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM_SEED
 809 #define ED_COUNTER_ID_LEVELSET_FIRST    ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 810 #define ED_COUNTER_ID_LEVELSET_LAST     ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 811 #define ED_COUNTER_ID_EDITOR_FIRST      ED_COUNTER_ID_LEVEL_RANDOM
 812 #define ED_COUNTER_ID_EDITOR_LAST       ED_COUNTER_ID_LEVEL_RANDOM
 813
 814 #define ED_COUNTER_ID_CUSTOM1_FIRST     ED_COUNTER_ID_CUSTOM_SCORE
 815 #define ED_COUNTER_ID_CUSTOM1_LAST      ED_COUNTER_ID_DROP_DELAY_RND
 816 #define ED_COUNTER_ID_CUSTOM2_FIRST     ED_COUNTER_ID_MOVE_DELAY_FIX
 817 #define ED_COUNTER_ID_CUSTOM2_LAST      ED_COUNTER_ID_IGNITION_DELAY
 818 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM1_FIRST
 819 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_CUSTOM2_LAST
 820
 821 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 822 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 823
 824 // values for scrollbutton gadgets
 825 enum
 826 {
 827   ED_SCROLLBUTTON_ID_AREA_UP,
 828   ED_SCROLLBUTTON_ID_AREA_DOWN,
 829   ED_SCROLLBUTTON_ID_AREA_LEFT,
 830   ED_SCROLLBUTTON_ID_AREA_RIGHT,
 831   ED_SCROLLBUTTON_ID_LIST_UP,
 832   ED_SCROLLBUTTON_ID_LIST_DOWN,
 833
 834   ED_NUM_SCROLLBUTTONS
 835 };
 836
 837 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 838 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 839
 840 // values for scrollbar gadgets
 841 enum
 842 {
 843   ED_SCROLLBAR_ID_AREA_HORIZONTAL,
 844   ED_SCROLLBAR_ID_AREA_VERTICAL,
 845   ED_SCROLLBAR_ID_LIST_VERTICAL,
 846
 847   ED_NUM_SCROLLBARS
 848 };
 849
 850 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 851 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 852
 853 // values for text input gadgets
 854 enum
 855 {
 856   ED_TEXTINPUT_ID_LEVEL_NAME,
 857   ED_TEXTINPUT_ID_LEVEL_AUTHOR,
 858   ED_TEXTINPUT_ID_LEVELSET_NAME,
 859   ED_TEXTINPUT_ID_LEVELSET_AUTHOR,
 860   ED_TEXTINPUT_ID_ELEMENT_NAME,
 861
 862   ED_NUM_TEXTINPUT
 863 };
 864
 865 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 866 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 867
 868 #define ED_TEXTINPUT_ID_LEVELSET_FIRST  ED_TEXTINPUT_ID_LEVELSET_NAME
 869 #define ED_TEXTINPUT_ID_LEVELSET_LAST   ED_TEXTINPUT_ID_LEVELSET_AUTHOR
 870
 871 // values for text area gadgets
 872 enum
 873 {
 874   ED_TEXTAREA_ID_ENVELOPE_INFO,
 875
 876   ED_NUM_TEXTAREAS
 877 };
 878
 879 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
 880 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
 881
 882 // values for selectbox gadgets
 883 enum
 884 {
 885   ED_SELECTBOX_ID_TIME_OR_STEPS,
 886   ED_SELECTBOX_ID_TIME_SCORE_BASE,
 887   ED_SELECTBOX_ID_GAME_ENGINE_TYPE,
 888   ED_SELECTBOX_ID_BD_SCHEDULING_TYPE,
 889   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE,
 890   ED_SELECTBOX_ID_WIND_DIRECTION,
 891   ED_SELECTBOX_ID_PLAYER_SPEED,
 892   ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE,
 893   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE,
 894   ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER,
 895   ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED,
 896   ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION,
 897   ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION,
 898   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN,
 899   ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION,
 900   ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE,
 901   ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE,
 902   ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS,
 903   ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE,
 904   ED_SELECTBOX_ID_CUSTOM_DEADLINESS,
 905   ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE,
 906   ED_SELECTBOX_ID_CHANGE_TIME_UNITS,
 907   ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION,
 908   ED_SELECTBOX_ID_CHANGE_OTHER_ACTION,
 909   ED_SELECTBOX_ID_CHANGE_SIDE,
 910   ED_SELECTBOX_ID_CHANGE_PLAYER,
 911   ED_SELECTBOX_ID_CHANGE_PAGE,
 912   ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN,
 913   ED_SELECTBOX_ID_ACTION_TYPE,
 914   ED_SELECTBOX_ID_ACTION_MODE,
 915   ED_SELECTBOX_ID_ACTION_ARG,
 916   ED_SELECTBOX_ID_SELECT_CHANGE_PAGE,
 917   ED_SELECTBOX_ID_GROUP_CHOICE_MODE,
 918
 919   ED_NUM_SELECTBOX
 920 };
 921
 922 #define ED_SELECTBOX_ID_LEVEL_FIRST     ED_SELECTBOX_ID_TIME_OR_STEPS
 923 #define ED_SELECTBOX_ID_LEVEL_LAST      ED_SELECTBOX_ID_GAME_ENGINE_TYPE
 924
 925 #define ED_SELECTBOX_ID_LEVELSET_FIRST  ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 926 #define ED_SELECTBOX_ID_LEVELSET_LAST   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 927
 928 #define ED_SELECTBOX_ID_ENGINE_FIRST    ED_SELECTBOX_ID_BD_SCHEDULING_TYPE
 929 #define ED_SELECTBOX_ID_ENGINE_LAST     ED_SELECTBOX_ID_BD_SCHEDULING_TYPE
 930
 931 #define ED_SELECTBOX_ID_CUSTOM1_FIRST   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
 932 #define ED_SELECTBOX_ID_CUSTOM1_LAST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
 933 #define ED_SELECTBOX_ID_CUSTOM2_FIRST   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN
 934 #define ED_SELECTBOX_ID_CUSTOM2_LAST    ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE
 935 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM1_FIRST
 936 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM2_LAST
 937
 938 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 939 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
 940
 941 // values for textbutton gadgets
 942 enum
 943 {
 944   ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL,
 945   ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET,
 946   ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR,
 947   ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE,
 948   ED_TEXTBUTTON_ID_PROPERTIES_INFO,
 949   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG,
 950   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1,
 951   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2,
 952   ED_TEXTBUTTON_ID_PROPERTIES_CHANGE,
 953   ED_TEXTBUTTON_ID_SAVE_LEVELSET,
 954   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2,
 955   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1,
 956   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE,
 957   ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE,
 958
 959   ED_NUM_TEXTBUTTONS
 960 };
 961
 962 #define ED_TAB_BUTTON_ID_LEVELCONFIG_FIRST ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL
 963 #define ED_TAB_BUTTON_ID_LEVELCONFIG_LAST  ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE
 964
 965 #define ED_TAB_BUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
 966 #define ED_TAB_BUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
 967
 968 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE
 969 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
 970
 971 // values for graphicbutton gadgets
 972 enum
 973 {
 974   ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE,
 975   ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE,
 976   ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE,
 977   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE,
 978
 979   ED_NUM_GRAPHICBUTTONS
 980 };
 981
 982 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST  ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
 983 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE
 984
 985 // values for checkbutton gadgets
 986 enum
 987 {
 988   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS,
 989   ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE,
 990   ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK,
 991   ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE,
 992   ED_CHECKBUTTON_ID_RANDOM_RESTRICTED,
 993   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3,
 994   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2,
 995   ED_CHECKBUTTON_ID_BD_INTERMISSION,
 996   ED_CHECKBUTTON_ID_BD_PAL_TIMING,
 997   ED_CHECKBUTTON_ID_BD_LINE_SHIFTING_BORDERS,
 998   ED_CHECKBUTTON_ID_BD_SCAN_FIRST_AND_LAST_ROW,
 999   ED_CHECKBUTTON_ID_BD_SHORT_EXPLOSIONS,
1000   ED_CHECKBUTTON_ID_STICK_ELEMENT,
1001   ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS,
1002   ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE,
1003   ED_CHECKBUTTON_ID_USE_SPRING_BUG,
1004   ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG,
1005   ED_CHECKBUTTON_ID_USE_LIFE_BUGS,
1006   ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT,
1007   ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE,
1008   ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE,
1009   ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED,
1010   ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED,
1011   ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN,
1012   ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER,
1013   ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT,
1014   ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE,
1015   ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING,
1016   ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD,
1017   ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD,
1018   ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD,
1019   ED_CHECKBUTTON_ID_INSTANT_RELOCATION,
1020   ED_CHECKBUTTON_ID_SHIFTED_RELOCATION,
1021   ED_CHECKBUTTON_ID_LAZY_RELOCATION,
1022   ED_CHECKBUTTON_ID_USE_START_ELEMENT,
1023   ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT,
1024   ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT,
1025   ED_CHECKBUTTON_ID_INITIAL_GRAVITY,
1026   ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY,
1027   ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE,
1028   ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID,
1029   ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID,
1030   ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH,
1031   ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS,
1032   ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP,
1033   ED_CHECKBUTTON_ID_ENVELOPE_CENTERED,
1034   ED_CHECKBUTTON_ID_MM_LASER_RED,
1035   ED_CHECKBUTTON_ID_MM_LASER_GREEN,
1036   ED_CHECKBUTTON_ID_MM_LASER_BLUE,
1037   ED_CHECKBUTTON_ID_DF_LASER_RED,
1038   ED_CHECKBUTTON_ID_DF_LASER_GREEN,
1039   ED_CHECKBUTTON_ID_DF_LASER_BLUE,
1040   ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT,
1041   ED_CHECKBUTTON_ID_EXPLODE_MM_BALL,
1042   ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC,
1043   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1,
1044   ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE,
1045   ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE,
1046   ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE,
1047   ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT,
1048   ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE,
1049   ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE,
1050   ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL,
1051   ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH,
1052   ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY,
1053   ED_CHECKBUTTON_ID_CUSTOM_DEADLY,
1054   ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE,
1055   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE,
1056   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH,
1057   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT,
1058   ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE,
1059   ED_CHECKBUTTON_ID_CHANGE_DELAY,
1060   ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT,
1061   ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT,
1062   ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION,
1063   ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT,
1064   ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE,
1065   ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM,
1066   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION,
1067
1068   ED_NUM_CHECKBUTTONS
1069 };
1070
1071 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS
1072 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE
1073
1074 #define ED_CHECKBUTTON_ID_LEVELSET_FIRST ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK
1075 #define ED_CHECKBUTTON_ID_LEVELSET_LAST  ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE
1076
1077 #define ED_CHECKBUTTON_ID_EDITOR_FIRST  ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
1078 #define ED_CHECKBUTTON_ID_EDITOR_LAST   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2
1079
1080 #define ED_CHECKBUTTON_ID_ENGINE_FIRST  ED_CHECKBUTTON_ID_BD_INTERMISSION
1081 #define ED_CHECKBUTTON_ID_ENGINE_LAST   ED_CHECKBUTTON_ID_BD_SHORT_EXPLOSIONS
1082
1083 #define ED_CHECKBUTTON_ID_CUSTOM1_FIRST ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
1084 #define ED_CHECKBUTTON_ID_CUSTOM1_LAST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
1085 #define ED_CHECKBUTTON_ID_CUSTOM2_FIRST ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE
1086 #define ED_CHECKBUTTON_ID_CUSTOM2_LAST  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
1087 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM1_FIRST
1088 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM2_LAST
1089
1090 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE
1091 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION
1092
1093 // values for radiobutton gadgets
1094 enum
1095 {
1096   ED_RADIOBUTTON_ID_PERCENTAGE,
1097   ED_RADIOBUTTON_ID_QUANTITY,
1098
1099   ED_NUM_RADIOBUTTONS
1100 };
1101
1102 #define ED_RADIOBUTTON_ID_EDITOR_FIRST  ED_RADIOBUTTON_ID_PERCENTAGE
1103 #define ED_RADIOBUTTON_ID_EDITOR_LAST   ED_RADIOBUTTON_ID_QUANTITY
1104
1105 // values for drawing area gadgets
1106 enum
1107 {
1108   ED_DRAWING_ID_DRAWING_LEVEL,
1109   ED_DRAWING_ID_YAMYAM_CONTENT_0,
1110   ED_DRAWING_ID_YAMYAM_CONTENT_1,
1111   ED_DRAWING_ID_YAMYAM_CONTENT_2,
1112   ED_DRAWING_ID_YAMYAM_CONTENT_3,
1113   ED_DRAWING_ID_YAMYAM_CONTENT_4,
1114   ED_DRAWING_ID_YAMYAM_CONTENT_5,
1115   ED_DRAWING_ID_YAMYAM_CONTENT_6,
1116   ED_DRAWING_ID_YAMYAM_CONTENT_7,
1117   ED_DRAWING_ID_MAGIC_BALL_CONTENT_0,
1118   ED_DRAWING_ID_MAGIC_BALL_CONTENT_1,
1119   ED_DRAWING_ID_MAGIC_BALL_CONTENT_2,
1120   ED_DRAWING_ID_MAGIC_BALL_CONTENT_3,
1121   ED_DRAWING_ID_MAGIC_BALL_CONTENT_4,
1122   ED_DRAWING_ID_MAGIC_BALL_CONTENT_5,
1123   ED_DRAWING_ID_MAGIC_BALL_CONTENT_6,
1124   ED_DRAWING_ID_MAGIC_BALL_CONTENT_7,
1125   ED_DRAWING_ID_ANDROID_CONTENT,
1126   ED_DRAWING_ID_AMOEBA_CONTENT,
1127   ED_DRAWING_ID_START_ELEMENT,
1128   ED_DRAWING_ID_ARTWORK_ELEMENT,
1129   ED_DRAWING_ID_EXPLOSION_ELEMENT,
1130   ED_DRAWING_ID_INVENTORY_CONTENT,
1131   ED_DRAWING_ID_MM_BALL_CONTENT,
1132   ED_DRAWING_ID_CUSTOM_GRAPHIC,
1133   ED_DRAWING_ID_CUSTOM_CONTENT,
1134   ED_DRAWING_ID_CUSTOM_MOVE_ENTER,
1135   ED_DRAWING_ID_CUSTOM_MOVE_LEAVE,
1136   ED_DRAWING_ID_CUSTOM_CHANGE_TARGET,
1137   ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT,
1138   ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER,
1139   ED_DRAWING_ID_CUSTOM_CHANGE_ACTION,
1140   ED_DRAWING_ID_GROUP_CONTENT,
1141   ED_DRAWING_ID_RANDOM_BACKGROUND,
1142
1143   ED_NUM_DRAWING_AREAS
1144 };
1145
1146 #define ED_DRAWING_ID_EDITOR_FIRST      ED_DRAWING_ID_RANDOM_BACKGROUND
1147 #define ED_DRAWING_ID_EDITOR_LAST       ED_DRAWING_ID_RANDOM_BACKGROUND
1148
1149
1150 // ----------------------------------------------------------------------------
1151 // some internally used definitions
1152 // ----------------------------------------------------------------------------
1153
1154 // values for CopyLevelToUndoBuffer()
1155 #define UNDO_IMMEDIATE                  0
1156 #define UNDO_ACCUMULATE                 1
1157
1158 // values for scrollbars
1159 #define ED_SCROLL_NO                    0
1160 #define ED_SCROLL_LEFT                  1
1161 #define ED_SCROLL_RIGHT                 2
1162 #define ED_SCROLL_UP                    4
1163 #define ED_SCROLL_DOWN                  8
1164
1165 // screens in the level editor
1166 #define ED_MODE_DRAWING                 0
1167 #define ED_MODE_LEVELCONFIG             1
1168 #define ED_MODE_PROPERTIES              2
1169 #define ED_MODE_PALETTE                 3
1170
1171 // sub-screens in the global settings section
1172 #define ED_MODE_LEVELCONFIG_LEVEL       ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL
1173 #define ED_MODE_LEVELCONFIG_LEVELSET    ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET
1174 #define ED_MODE_LEVELCONFIG_EDITOR      ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR
1175 #define ED_MODE_LEVELCONFIG_ENGINE      ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE
1176
1177 // sub-screens in the element properties section
1178 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
1179 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
1180 #define ED_MODE_PROPERTIES_CONFIG_1     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1
1181 #define ED_MODE_PROPERTIES_CONFIG_2     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2
1182 #define ED_MODE_PROPERTIES_CHANGE       ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
1183
1184 // how many steps can be cancelled
1185 #define NUM_UNDO_STEPS                  (64 + 1)
1186
1187 // values for elements with score for certain actions
1188 #define MIN_SCORE                       0
1189 #define MAX_SCORE                       999
1190
1191 // values for elements with count for collecting
1192 #define MIN_COLLECT_COUNT               0
1193 #define MAX_COLLECT_COUNT               999
1194
1195 // values for random placement
1196 #define RANDOM_USE_PERCENTAGE           0
1197 #define RANDOM_USE_QUANTITY             1
1198
1199 // values for level set save mode
1200 #define LEVELSET_SAVE_MODE_UPDATE       0
1201 #define LEVELSET_SAVE_MODE_CREATE       1
1202
1203 // default value for element tile size in drawing area
1204 #define DEFAULT_EDITOR_TILESIZE         MINI_TILESIZE
1205 #define DEFAULT_EDITOR_TILESIZE_MM      TILESIZE
1206
1207
1208 // ----------------------------------------------------------------------------
1209 // some internally used data structure definitions
1210 // ----------------------------------------------------------------------------
1211
1212 static struct
1213 {
1214   int graphic;
1215   int gadget_id;
1216   struct XYTileSize *pos;
1217   int gadget_type;
1218   char *infotext;
1219   char shortcut;
1220 } controlbutton_info[ED_NUM_CTRL_BUTTONS] =
1221 {
1222   // note: some additional characters are already reserved for "cheat mode"
1223   // shortcuts (":XYZ" style) -- for details, see "events.c"
1224
1225   // ---------- toolbox control buttons ---------------------------------------
1226
1227   {
1228     IMG_GFX_EDITOR_BUTTON_DRAW_SINGLE,          GADGET_ID_SINGLE_ITEMS,
1229     &editor.button.draw_single,                 GD_TYPE_RADIO_BUTTON,
1230     "draw single items",                        's'
1231   },
1232   {
1233     IMG_GFX_EDITOR_BUTTON_DRAW_CONNECTED,       GADGET_ID_CONNECTED_ITEMS,
1234     &editor.button.draw_connected,              GD_TYPE_RADIO_BUTTON,
1235     "draw connected items",                     'd'
1236   },
1237   {
1238     IMG_GFX_EDITOR_BUTTON_DRAW_LINE,            GADGET_ID_LINE,
1239     &editor.button.draw_line,                   GD_TYPE_RADIO_BUTTON,
1240     "draw lines",                               'l'
1241   },
1242   {
1243     IMG_GFX_EDITOR_BUTTON_DRAW_ARC,             GADGET_ID_ARC,
1244     &editor.button.draw_arc,                    GD_TYPE_RADIO_BUTTON,
1245     "draw arcs",                                'a'
1246   },
1247   {
1248     IMG_GFX_EDITOR_BUTTON_DRAW_RECTANGLE,       GADGET_ID_RECTANGLE,
1249     &editor.button.draw_rectangle,              GD_TYPE_RADIO_BUTTON,
1250     "draw outline rectangles",                  'r'
1251   },
1252   {
1253     IMG_GFX_EDITOR_BUTTON_DRAW_FILLED_BOX,      GADGET_ID_FILLED_BOX,
1254     &editor.button.draw_filled_box,             GD_TYPE_RADIO_BUTTON,
1255     "draw filled rectangles",                   'R'
1256   },
1257   {
1258     IMG_GFX_EDITOR_BUTTON_ROTATE_UP,            GADGET_ID_WRAP_UP,
1259     &editor.button.rotate_up,                   GD_TYPE_NORMAL_BUTTON,
1260     "wrap (rotate) level up",                   0
1261   },
1262   {
1263     IMG_GFX_EDITOR_BUTTON_DRAW_TEXT,            GADGET_ID_TEXT,
1264     &editor.button.draw_text,                   GD_TYPE_RADIO_BUTTON,
1265     "enter text elements",                      't'
1266   },
1267   {
1268     IMG_GFX_EDITOR_BUTTON_FLOOD_FILL,           GADGET_ID_FLOOD_FILL,
1269     &editor.button.flood_fill,                  GD_TYPE_RADIO_BUTTON,
1270     "flood fill",                               'f'
1271   },
1272   {
1273     IMG_GFX_EDITOR_BUTTON_ROTATE_LEFT,          GADGET_ID_WRAP_LEFT,
1274     &editor.button.rotate_left,                 GD_TYPE_NORMAL_BUTTON,
1275     "wrap (rotate) level left",                 0
1276   },
1277   {
1278     IMG_GFX_EDITOR_BUTTON_ZOOM_LEVEL,           GADGET_ID_ZOOM,
1279     &editor.button.zoom_level,                  GD_TYPE_NORMAL_BUTTON,
1280     "zoom level tile size",                     '+'
1281   },
1282   {
1283     IMG_GFX_EDITOR_BUTTON_ROTATE_RIGHT,         GADGET_ID_WRAP_RIGHT,
1284     &editor.button.rotate_right,                GD_TYPE_NORMAL_BUTTON,
1285     "wrap (rotate) level right",                0
1286   },
1287   {
1288     IMG_GFX_EDITOR_BUTTON_DRAW_RANDOM,          GADGET_ID_RANDOM_PLACEMENT,
1289     &editor.button.draw_random,                 GD_TYPE_NORMAL_BUTTON,
1290     "random element placement",                 0
1291   },
1292   {
1293     IMG_GFX_EDITOR_BUTTON_GRAB_BRUSH,           GADGET_ID_GRAB_BRUSH,
1294     &editor.button.grab_brush,                  GD_TYPE_RADIO_BUTTON,
1295     "grab brush",                               'b'
1296   },
1297   {
1298     IMG_GFX_EDITOR_BUTTON_ROTATE_DOWN,          GADGET_ID_WRAP_DOWN,
1299     &editor.button.rotate_down,                 GD_TYPE_NORMAL_BUTTON,
1300     "wrap (rotate) level down",                 0
1301   },
1302   {
1303     IMG_GFX_EDITOR_BUTTON_PICK_ELEMENT,         GADGET_ID_PICK_ELEMENT,
1304     &editor.button.pick_element,                GD_TYPE_RADIO_BUTTON,
1305     "pick drawing element",                     ','
1306   },
1307
1308   // ---------- level control buttons -----------------------------------------
1309
1310   {
1311     IMG_GFX_EDITOR_BUTTON_UNDO,                 GADGET_ID_UNDO,
1312     &editor.button.undo,                        GD_TYPE_NORMAL_BUTTON,
1313     "undo/redo last operation",                 'u'
1314   },
1315   {
1316     IMG_GFX_EDITOR_BUTTON_CONF,                 GADGET_ID_CONF,
1317     &editor.button.conf,                        GD_TYPE_NORMAL_BUTTON,
1318     "level and editor settings",                'I'
1319   },
1320   {
1321     IMG_GFX_EDITOR_BUTTON_SAVE,                 GADGET_ID_SAVE,
1322     &editor.button.save,                        GD_TYPE_NORMAL_BUTTON,
1323     "save level",                               'S'
1324   },
1325   {
1326     IMG_GFX_EDITOR_BUTTON_CLEAR,                GADGET_ID_CLEAR,
1327     &editor.button.clear,                       GD_TYPE_NORMAL_BUTTON,
1328     "clear level",                              'C'
1329   },
1330   {
1331     IMG_GFX_EDITOR_BUTTON_TEST,                 GADGET_ID_TEST,
1332     &editor.button.test,                        GD_TYPE_NORMAL_BUTTON,
1333     "test level",                               'T'
1334   },
1335   {
1336     IMG_GFX_EDITOR_BUTTON_EXIT,                 GADGET_ID_EXIT,
1337     &editor.button.exit,                        GD_TYPE_NORMAL_BUTTON,
1338     "exit level editor",                        'E'
1339   },
1340
1341   // ---------- CE and GE control buttons -------------------------------------
1342
1343   {
1344     IMG_GFX_EDITOR_BUTTON_CE_COPY_FROM,         GADGET_ID_CUSTOM_COPY_FROM,
1345     &editor.button.ce_copy_from,                GD_TYPE_RADIO_BUTTON,
1346     "copy settings from other element",         0
1347   },
1348   {
1349     IMG_GFX_EDITOR_BUTTON_CE_COPY_TO,           GADGET_ID_CUSTOM_COPY_TO,
1350     &editor.button.ce_copy_to,                  GD_TYPE_RADIO_BUTTON,
1351     "copy settings to other element",           0
1352   },
1353   {
1354     IMG_GFX_EDITOR_BUTTON_CE_SWAP,              GADGET_ID_CUSTOM_EXCHANGE,
1355     &editor.button.ce_swap,                     GD_TYPE_RADIO_BUTTON,
1356     "exchange element with other element",      0
1357   },
1358   {
1359     IMG_GFX_EDITOR_BUTTON_CE_COPY,              GADGET_ID_CUSTOM_COPY,
1360     &editor.button.ce_copy,                     GD_TYPE_NORMAL_BUTTON,
1361     "copy settings from this element",          0
1362   },
1363   {
1364     IMG_GFX_EDITOR_BUTTON_CE_PASTE,             GADGET_ID_CUSTOM_PASTE,
1365     &editor.button.ce_paste,                    GD_TYPE_NORMAL_BUTTON,
1366     "paste settings to this element",           0
1367   },
1368
1369   // ---------- palette control buttons ---------------------------------------
1370
1371   {
1372     IMG_GFX_EDITOR_BUTTON_PROPERTIES,           GADGET_ID_PROPERTIES,
1373     &editor.button.properties,                  GD_TYPE_NORMAL_BUTTON,
1374     "properties of drawing element",            'p'
1375   },
1376   {
1377     IMG_GFX_EDITOR_BUTTON_ELEMENT_LEFT,         GADGET_ID_ELEMENT_LEFT,
1378     &editor.button.element_left,                GD_TYPE_NORMAL_BUTTON,
1379     "properties of drawing element 1",          '1'
1380   },
1381   {
1382     IMG_GFX_EDITOR_BUTTON_ELEMENT_MIDDLE,       GADGET_ID_ELEMENT_MIDDLE,
1383     &editor.button.element_middle,              GD_TYPE_NORMAL_BUTTON,
1384     "properties of drawing element 2",          '2'
1385   },
1386   {
1387     IMG_GFX_EDITOR_BUTTON_ELEMENT_RIGHT,        GADGET_ID_ELEMENT_RIGHT,
1388     &editor.button.element_right,               GD_TYPE_NORMAL_BUTTON,
1389     "properties of drawing element 3",          '3'
1390   },
1391   {
1392     IMG_GFX_EDITOR_BUTTON_PALETTE,              GADGET_ID_PALETTE,
1393     &editor.button.palette,                     GD_TYPE_NORMAL_BUTTON,
1394     "show list of elements",                    'e'
1395   }
1396 };
1397
1398 static int random_placement_value = 10;
1399 static int random_placement_method = RANDOM_USE_QUANTITY;
1400 static int random_placement_background_element = EL_SAND;
1401 static boolean random_placement_background_restricted = FALSE;
1402 static boolean stick_element_properties_window = FALSE;
1403 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
1404 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
1405 static struct ElementChangeInfo custom_element_change;
1406 static struct ElementGroupInfo group_element_info;
1407 static struct ElementInfo custom_element;
1408
1409 static char levelset_name[MAX_LEVEL_NAME_LEN + 1];
1410 static char levelset_author[MAX_LEVEL_AUTHOR_LEN + 1];
1411 static int levelset_num_levels = 100;
1412 static boolean levelset_use_levelset_artwork = FALSE;
1413 static boolean levelset_copy_level_template = FALSE;
1414 static int levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
1415
1416 static struct
1417 {
1418   int gadget_type_id;
1419   int x, y;
1420   int min_value, max_value;
1421   int gadget_id_down, gadget_id_up;
1422   int gadget_id_text;
1423   int gadget_id_align;
1424   int *value;
1425   char *text_above, *text_left, *text_right;
1426 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
1427 {
1428   // ---------- current level number ------------------------------------------
1429
1430   {
1431     ED_COUNTER_ID_SELECT_LEVEL,
1432     -1, -1,     // these values are not constant, but can change at runtime
1433     1,                                  100,
1434     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
1435     GADGET_ID_SELECT_LEVEL_TEXT,        GADGET_ID_NONE,
1436     &level_nr,
1437     NULL,                               NULL, NULL
1438   },
1439
1440   // ---------- level and editor settings -------------------------------------
1441
1442   {
1443     ED_COUNTER_ID_LEVEL_XSIZE,
1444     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1445     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
1446     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
1447     GADGET_ID_LEVEL_XSIZE_TEXT,         GADGET_ID_NONE,
1448     &level.fieldx,
1449     "playfield size:",                  NULL, "width",
1450   },
1451   {
1452     ED_COUNTER_ID_LEVEL_YSIZE,
1453     -1,                                 ED_LEVEL_SETTINGS_YPOS(4),
1454     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
1455     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
1456     GADGET_ID_LEVEL_YSIZE_TEXT,         GADGET_ID_LEVEL_XSIZE_UP,
1457     &level.fieldy,
1458     NULL,                               " ", "height",
1459   },
1460   {
1461     ED_COUNTER_ID_LEVEL_GEMSLIMIT,
1462     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
1463     0,                                  999,
1464     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
1465     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,     GADGET_ID_NONE,
1466     &level.gems_needed,
1467     NULL,                               "number of gems to collect:", NULL
1468   },
1469   {
1470     ED_COUNTER_ID_LEVEL_TIMELIMIT,
1471     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
1472     0,                                  9999,
1473     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
1474     GADGET_ID_LEVEL_TIMELIMIT_TEXT,     GADGET_ID_NONE,
1475     &level.time,
1476     "time or step limit to solve level:", NULL, NULL
1477   },
1478   {
1479     ED_COUNTER_ID_LEVEL_TIMESCORE,
1480     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
1481     0,                                  999,
1482     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
1483     GADGET_ID_LEVEL_TIMESCORE_TEXT,     GADGET_ID_NONE,
1484     &level.score[SC_TIME_BONUS],
1485     "score for time or steps left:",    NULL, NULL
1486   },
1487   {
1488     ED_COUNTER_ID_LEVEL_RANDOM_SEED,
1489     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(13),
1490     0,                                  9999,
1491     GADGET_ID_LEVEL_RANDOM_SEED_DOWN,   GADGET_ID_LEVEL_RANDOM_SEED_UP,
1492     GADGET_ID_LEVEL_RANDOM_SEED_TEXT,   GADGET_ID_NONE,
1493     &level.random_seed,
1494     NULL,                               "random seed:", "(0 => random)"
1495   },
1496   {
1497     ED_COUNTER_ID_LEVELSET_NUM_LEVELS,
1498     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1499     1,                                  MAX_LEVELS,
1500     GADGET_ID_LEVELSET_NUM_LEVELS_DOWN, GADGET_ID_LEVELSET_NUM_LEVELS_UP,
1501     GADGET_ID_LEVELSET_NUM_LEVELS_TEXT, GADGET_ID_NONE,
1502     &levelset_num_levels,
1503     "number of levels:",                NULL, NULL,
1504   },
1505   {
1506     ED_COUNTER_ID_LEVEL_RANDOM,
1507     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1508     1,                                  100,
1509     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
1510     GADGET_ID_LEVEL_RANDOM_TEXT,        GADGET_ID_NONE,
1511     &random_placement_value,
1512     "random element placement:",        NULL, "in"
1513   },
1514   {
1515     ED_COUNTER_ID_BD_CYCLE_DELAY_MS,
1516     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(3),
1517     50,                                 500,
1518     GADGET_ID_BD_CYCLE_DELAY_MS_DOWN,   GADGET_ID_BD_CYCLE_DELAY_MS_UP,
1519     GADGET_ID_BD_CYCLE_DELAY_MS_TEXT,   GADGET_ID_NONE,
1520     &level.bd_cycle_delay_ms,
1521     NULL,                               NULL, "game cycle delay (ms)"
1522   },
1523   {
1524     ED_COUNTER_ID_BD_CYCLE_DELAY_C64,
1525     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(3),
1526     0,                                  32,
1527     GADGET_ID_BD_CYCLE_DELAY_C64_DOWN,  GADGET_ID_BD_CYCLE_DELAY_C64_UP,
1528     GADGET_ID_BD_CYCLE_DELAY_C64_TEXT,  GADGET_ID_NONE,
1529     &level.bd_cycle_delay_c64,
1530     NULL,                               NULL, "game cycle delay (C64-style)"
1531   },
1532   {
1533     ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES,
1534     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1535     1,                                  40,
1536     GADGET_ID_BD_HATCHING_DELAY_CYCLES_DOWN,    GADGET_ID_BD_HATCHING_DELAY_CYCLES_UP,
1537     GADGET_ID_BD_HATCHING_DELAY_CYCLES_TEXT,    GADGET_ID_NONE,
1538     &level.bd_hatching_delay_cycles,
1539     NULL,                               NULL, "hatching delay (cycles)"
1540   },
1541   {
1542     ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS,
1543     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1544     1,                                  40,
1545     GADGET_ID_BD_HATCHING_DELAY_SECONDS_DOWN,   GADGET_ID_BD_HATCHING_DELAY_SECONDS_UP,
1546     GADGET_ID_BD_HATCHING_DELAY_SECONDS_TEXT,   GADGET_ID_NONE,
1547     &level.bd_hatching_delay_seconds,
1548     NULL,                               NULL, "hatching delay (seconds)"
1549   },
1550
1551   // ---------- element settings: configure (various elements) ----------------
1552
1553   {
1554     ED_COUNTER_ID_ELEMENT_VALUE1,
1555     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1556     MIN_SCORE,                          MAX_SCORE,
1557     GADGET_ID_ELEMENT_VALUE1_DOWN,      GADGET_ID_ELEMENT_VALUE1_UP,
1558     GADGET_ID_ELEMENT_VALUE1_TEXT,      GADGET_ID_NONE,
1559     NULL,                               // will be set when used
1560     NULL,                               NULL, NULL
1561   },
1562   {
1563     ED_COUNTER_ID_ELEMENT_VALUE2,
1564     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
1565     MIN_SCORE,                          MAX_SCORE,
1566     GADGET_ID_ELEMENT_VALUE2_DOWN,      GADGET_ID_ELEMENT_VALUE2_UP,
1567     GADGET_ID_ELEMENT_VALUE2_TEXT,      GADGET_ID_NONE,
1568     NULL,                               // will be set when used
1569     NULL,                               NULL, NULL
1570   },
1571   {
1572     ED_COUNTER_ID_ELEMENT_VALUE3,
1573     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1574     MIN_SCORE,                          MAX_SCORE,
1575     GADGET_ID_ELEMENT_VALUE3_DOWN,      GADGET_ID_ELEMENT_VALUE3_UP,
1576     GADGET_ID_ELEMENT_VALUE3_TEXT,      GADGET_ID_NONE,
1577     NULL,                               // will be set when used
1578     NULL,                               NULL, NULL
1579   },
1580   {
1581     ED_COUNTER_ID_ELEMENT_VALUE4,
1582     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1583     MIN_SCORE,                          MAX_SCORE,
1584     GADGET_ID_ELEMENT_VALUE4_DOWN,      GADGET_ID_ELEMENT_VALUE4_UP,
1585     GADGET_ID_ELEMENT_VALUE4_TEXT,      GADGET_ID_NONE,
1586     NULL,                               // will be set when used
1587     NULL,                               NULL, NULL
1588   },
1589   {
1590     ED_COUNTER_ID_YAMYAM_CONTENT,
1591     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1592     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1593     GADGET_ID_YAMYAM_CONTENT_DOWN,      GADGET_ID_YAMYAM_CONTENT_UP,
1594     GADGET_ID_YAMYAM_CONTENT_TEXT,      GADGET_ID_NONE,
1595     &level.num_yamyam_contents,
1596     NULL,                               NULL, "number of content areas"
1597   },
1598   {
1599     ED_COUNTER_ID_BALL_CONTENT,
1600     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1601     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1602     GADGET_ID_BALL_CONTENT_DOWN,        GADGET_ID_BALL_CONTENT_UP,
1603     GADGET_ID_BALL_CONTENT_TEXT,        GADGET_ID_NONE,
1604     &level.num_ball_contents,
1605     NULL,                               NULL, "number of content areas"
1606   },
1607   {
1608     ED_COUNTER_ID_ANDROID_CONTENT,
1609     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1610     MIN_ANDROID_ELEMENTS,               MAX_ANDROID_ELEMENTS,
1611     GADGET_ID_ANDROID_CONTENT_DOWN,     GADGET_ID_ANDROID_CONTENT_UP,
1612     GADGET_ID_ANDROID_CONTENT_TEXT,     GADGET_ID_NONE,
1613     &level.num_android_clone_elements,
1614     NULL,                               NULL, "number of clonable elements"
1615   },
1616   {
1617     ED_COUNTER_ID_ENVELOPE_XSIZE,
1618     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1619     MIN_ENVELOPE_XSIZE,                 MAX_ENVELOPE_XSIZE,
1620     GADGET_ID_ENVELOPE_XSIZE_DOWN,      GADGET_ID_ENVELOPE_XSIZE_UP,
1621     GADGET_ID_ENVELOPE_XSIZE_TEXT,      GADGET_ID_NONE,
1622     NULL,                               // will be set when used
1623     NULL,                               NULL, "width",
1624   },
1625   {
1626     ED_COUNTER_ID_ENVELOPE_YSIZE,
1627     -1,                                 ED_ELEMENT_SETTINGS_YPOS(0),
1628     MIN_ENVELOPE_YSIZE,                 MAX_ENVELOPE_YSIZE,
1629     GADGET_ID_ENVELOPE_YSIZE_DOWN,      GADGET_ID_ENVELOPE_YSIZE_UP,
1630     GADGET_ID_ENVELOPE_YSIZE_TEXT,      GADGET_ID_ENVELOPE_XSIZE_UP,
1631     NULL,                               // will be set when used
1632     NULL,                               " ", "height",
1633   },
1634   {
1635     ED_COUNTER_ID_INVENTORY_SIZE,
1636     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1637     MIN_INITIAL_INVENTORY_SIZE,         MAX_INITIAL_INVENTORY_SIZE,
1638     GADGET_ID_INVENTORY_SIZE_DOWN,      GADGET_ID_INVENTORY_SIZE_UP,
1639     GADGET_ID_INVENTORY_SIZE_TEXT,      GADGET_ID_NONE,
1640     &level.initial_inventory_size[0],
1641     NULL,                               NULL, "number of inventory elements"
1642   },
1643   {
1644     ED_COUNTER_ID_MM_BALL_CONTENT,
1645     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1646     MIN_ELEMENTS_IN_GROUP,              MAX_MM_BALL_CONTENTS,
1647     GADGET_ID_MM_BALL_CONTENT_DOWN,     GADGET_ID_MM_BALL_CONTENT_UP,
1648     GADGET_ID_MM_BALL_CONTENT_TEXT,     GADGET_ID_NONE,
1649     &level.num_mm_ball_contents,
1650     NULL,                               NULL, "number of content elements"
1651   },
1652
1653   // ---------- element settings: configure 1 (custom elements) ---------------
1654
1655   {
1656     ED_COUNTER_ID_CUSTOM_SCORE,
1657     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1658     MIN_SCORE,                          MAX_SCORE,
1659     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
1660     GADGET_ID_CUSTOM_SCORE_TEXT,        GADGET_ID_NONE,
1661     &custom_element.collect_score_initial,
1662     NULL,                               "CE score", " "
1663   },
1664   {
1665     ED_COUNTER_ID_CUSTOM_GEMCOUNT,
1666     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1667     MIN_COLLECT_COUNT,                  MAX_COLLECT_COUNT,
1668     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
1669     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,     GADGET_ID_CUSTOM_SCORE_UP,
1670     &custom_element.collect_count_initial,
1671     NULL,                               "CE count", NULL
1672   },
1673   {
1674     ED_COUNTER_ID_CUSTOM_VALUE_FIX,
1675     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1676     0,                                  9999,
1677     GADGET_ID_CUSTOM_VALUE_FIX_DOWN,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1678     GADGET_ID_CUSTOM_VALUE_FIX_TEXT,    GADGET_ID_NONE,
1679     &custom_element.ce_value_fixed_initial,
1680     NULL,                               "CE value", NULL
1681   },
1682   {
1683     ED_COUNTER_ID_CUSTOM_VALUE_RND,
1684     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1685     0,                                  9999,
1686     GADGET_ID_CUSTOM_VALUE_RND_DOWN,    GADGET_ID_CUSTOM_VALUE_RND_UP,
1687     GADGET_ID_CUSTOM_VALUE_RND_TEXT,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1688     &custom_element.ce_value_random_initial,
1689     NULL,                               "+random", NULL
1690   },
1691   {
1692     ED_COUNTER_ID_PUSH_DELAY_FIX,
1693     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1694     0,                                  999,
1695     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
1696     GADGET_ID_PUSH_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1697     &custom_element.push_delay_fixed,
1698     NULL,                               "push delay", NULL
1699   },
1700   {
1701     ED_COUNTER_ID_PUSH_DELAY_RND,
1702     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1703     0,                                  999,
1704     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
1705     GADGET_ID_PUSH_DELAY_RND_TEXT,      GADGET_ID_PUSH_DELAY_FIX_UP,
1706     &custom_element.push_delay_random,
1707     NULL,                               "+random", NULL
1708   },
1709   {
1710     ED_COUNTER_ID_DROP_DELAY_FIX,
1711     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(7),
1712     0,                                  999,
1713     GADGET_ID_DROP_DELAY_FIX_DOWN,      GADGET_ID_DROP_DELAY_FIX_UP,
1714     GADGET_ID_DROP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1715     &custom_element.drop_delay_fixed,
1716     NULL,                               "drop delay", NULL
1717   },
1718   {
1719     ED_COUNTER_ID_DROP_DELAY_RND,
1720     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
1721     0,                                  999,
1722     GADGET_ID_DROP_DELAY_RND_DOWN,      GADGET_ID_DROP_DELAY_RND_UP,
1723     GADGET_ID_DROP_DELAY_RND_TEXT,      GADGET_ID_DROP_DELAY_FIX_UP,
1724     &custom_element.drop_delay_random,
1725     NULL,                               "+random", NULL
1726   },
1727
1728   // ---------- element settings: configure 2 (custom elements) ---------------
1729
1730   {
1731     ED_COUNTER_ID_MOVE_DELAY_FIX,
1732     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1733     0,                                  999,
1734     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
1735     GADGET_ID_MOVE_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1736     &custom_element.move_delay_fixed,
1737     NULL,                               "move delay", NULL
1738   },
1739   {
1740     ED_COUNTER_ID_MOVE_DELAY_RND,
1741     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1742     0,                                  999,
1743     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
1744     GADGET_ID_MOVE_DELAY_RND_TEXT,      GADGET_ID_MOVE_DELAY_FIX_UP,
1745     &custom_element.move_delay_random,
1746     NULL,                               "+random", NULL
1747   },
1748   {
1749     ED_COUNTER_ID_STEP_DELAY_FIX,
1750     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1751     0,                                  999,
1752     GADGET_ID_STEP_DELAY_FIX_DOWN,      GADGET_ID_STEP_DELAY_FIX_UP,
1753     GADGET_ID_STEP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1754     &custom_element.step_delay_fixed,
1755     NULL,                               "step delay", NULL
1756   },
1757   {
1758     ED_COUNTER_ID_STEP_DELAY_RND,
1759     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1760     0,                                  999,
1761     GADGET_ID_STEP_DELAY_RND_DOWN,      GADGET_ID_STEP_DELAY_RND_UP,
1762     GADGET_ID_STEP_DELAY_RND_TEXT,      GADGET_ID_STEP_DELAY_FIX_UP,
1763     &custom_element.step_delay_random,
1764     NULL,                               "+random", NULL
1765   },
1766   {
1767     ED_COUNTER_ID_EXPLOSION_DELAY,
1768     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
1769     0,                                  999,
1770     GADGET_ID_EXPLOSION_DELAY_DOWN,     GADGET_ID_EXPLOSION_DELAY_UP,
1771     GADGET_ID_EXPLOSION_DELAY_TEXT,     GADGET_ID_NONE,
1772     &custom_element.explosion_delay,
1773     NULL,                               "explosion delay", NULL
1774   },
1775   {
1776     ED_COUNTER_ID_IGNITION_DELAY,
1777     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
1778     0,                                  999,
1779     GADGET_ID_IGNITION_DELAY_DOWN,      GADGET_ID_IGNITION_DELAY_UP,
1780     GADGET_ID_IGNITION_DELAY_TEXT,      GADGET_ID_NONE,
1781     &custom_element.ignition_delay,
1782     NULL,                               "ignition delay", "(by fire)"
1783   },
1784
1785   // ---------- element settings: configure (group elements) ------------------
1786
1787   {
1788     ED_COUNTER_ID_GROUP_CONTENT,
1789     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1790     MIN_ELEMENTS_IN_GROUP,              MAX_ELEMENTS_IN_GROUP,
1791     GADGET_ID_GROUP_CONTENT_DOWN,       GADGET_ID_GROUP_CONTENT_UP,
1792     GADGET_ID_GROUP_CONTENT_TEXT,       GADGET_ID_NONE,
1793     &group_element_info.num_elements,
1794     NULL,                               NULL, "number of elements in group"
1795   },
1796
1797   // ---------- element settings: advanced (custom elements) ------------------
1798
1799   {
1800     ED_COUNTER_ID_CHANGE_DELAY_FIX,
1801     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(2),
1802     0,                                  999,
1803     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1804     GADGET_ID_CHANGE_DELAY_FIX_TEXT,    GADGET_ID_NONE,
1805     &custom_element_change.delay_fixed,
1806     NULL,                               "CE delay", NULL,
1807   },
1808   {
1809     ED_COUNTER_ID_CHANGE_DELAY_RND,
1810     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
1811     0,                                  999,
1812     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
1813     GADGET_ID_CHANGE_DELAY_RND_TEXT,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1814     &custom_element_change.delay_random,
1815     NULL,                               "+random", NULL
1816   },
1817   {
1818     ED_COUNTER_ID_CHANGE_CONT_RND,
1819     ED_ELEMENT_SETTINGS_XPOS(3),        ED_ELEMENT_SETTINGS_YPOS(12),
1820     0,                                  100,
1821     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
1822     GADGET_ID_CHANGE_CONT_RND_TEXT,     GADGET_ID_NONE,
1823     &custom_element_change.random_percentage,
1824     NULL,                               "use random replace:", "%"
1825   },
1826 };
1827
1828 static struct
1829 {
1830   int gadget_type_id;
1831   int x, y;
1832   int gadget_id;
1833   int size;
1834   char *value;
1835   char *text_above, *infotext;
1836 } textinput_info[ED_NUM_TEXTINPUT] =
1837 {
1838   {
1839     ED_TEXTINPUT_ID_LEVEL_NAME,
1840     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1841     GADGET_ID_LEVEL_NAME,
1842     MAX_LEVEL_NAME_LEN,
1843     level.name,
1844     "Title:", "Title for this level"
1845   },
1846   {
1847     ED_TEXTINPUT_ID_LEVEL_AUTHOR,
1848     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1849     GADGET_ID_LEVEL_AUTHOR,
1850     MAX_LEVEL_AUTHOR_LEN,
1851     level.author,
1852     "Author:", "Author for this level"
1853   },
1854   {
1855     ED_TEXTINPUT_ID_LEVELSET_NAME,
1856     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1857     GADGET_ID_LEVELSET_NAME,
1858     MAX_LEVEL_NAME_LEN,
1859     levelset_name,
1860     "Title:", "Title for this or new level set"
1861   },
1862   {
1863     ED_TEXTINPUT_ID_LEVELSET_AUTHOR,
1864     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1865     GADGET_ID_LEVELSET_AUTHOR,
1866     MAX_LEVEL_AUTHOR_LEN,
1867     levelset_author,
1868     "Author:", "Author for this or new level set"
1869   },
1870   {
1871     ED_TEXTINPUT_ID_ELEMENT_NAME,
1872     -1, -1,     // these values are not constant, but can change at runtime
1873     GADGET_ID_ELEMENT_NAME,
1874     MAX_ELEMENT_NAME_LEN - 2,           // currently 2 chars less editable
1875     custom_element.description,
1876     NULL, "Element name"
1877   }
1878 };
1879
1880 static struct
1881 {
1882   int gadget_type_id;
1883   int x, y;
1884   int gadget_id;
1885   int xsize, ysize;
1886   char *value;
1887   char *text_above, *text_above_cropped, *infotext;
1888 } textarea_info[ED_NUM_TEXTAREAS] =
1889 {
1890   {
1891     ED_TEXTAREA_ID_ENVELOPE_INFO,
1892     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1893     GADGET_ID_ENVELOPE_INFO,
1894     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
1895     NULL,
1896     "Envelope Content:", "Envelope Content (cropped):", "Envelope Content"
1897   }
1898 };
1899
1900 static struct ValueTextInfo options_time_or_steps[] =
1901 {
1902   { 0,                          "seconds"                       },
1903   { 1,                          "steps"                         },
1904
1905   { -1,                         NULL                            }
1906 };
1907
1908 static struct ValueTextInfo options_time_score_base[] =
1909 {
1910   { 1,                          "per second/step"               },
1911   { 10,                         "per 10 seconds/steps"          },
1912
1913   { -1,                         NULL                            }
1914 };
1915
1916 static struct ValueTextInfo options_game_engine_type[] =
1917 {
1918   { GAME_ENGINE_TYPE_RND,       "Rocks'n'Diamonds"              },
1919   { GAME_ENGINE_TYPE_BD,        "Boulder Dash"                  },
1920   { GAME_ENGINE_TYPE_EM,        "Emerald Mine"                  },
1921   { GAME_ENGINE_TYPE_SP,        "Supaplex"                      },
1922   { GAME_ENGINE_TYPE_MM,        "Mirror Magic"                  },
1923
1924   { -1,                         NULL                            }
1925 };
1926
1927 static struct ValueTextInfo options_levelset_save_mode[] =
1928 {
1929   { LEVELSET_SAVE_MODE_UPDATE,  "Update this level set"         },
1930   { LEVELSET_SAVE_MODE_CREATE,  "Create new level set"          },
1931
1932   { -1,                         NULL                            }
1933 };
1934
1935 static struct ValueTextInfo options_wind_direction[] =
1936 {
1937   { MV_START_NONE,              "none"                          },
1938   { MV_START_LEFT,              "left"                          },
1939   { MV_START_RIGHT,             "right"                         },
1940   { MV_START_UP,                "up"                            },
1941   { MV_START_DOWN,              "down"                          },
1942
1943   { -1,                         NULL                            }
1944 };
1945
1946 static struct ValueTextInfo options_player_speed[] =
1947 {
1948   { 0,                          "frozen"                        },
1949   { 1,                          "very slow"                     },
1950   { 2,                          "slow"                          },
1951   { 4,                          "normal"                        },
1952   { 8,                          "fast"                          },
1953   { 16,                         "very fast"                     },
1954   { 32,                         "ultrafast"                     },
1955
1956   { -1,                         NULL                            }
1957 };
1958
1959 static struct ValueTextInfo options_access_type[] =
1960 {
1961   { EP_WALKABLE,                "walkable"                      },
1962   { EP_PASSABLE,                "passable"                      },
1963
1964   { -1,                         NULL                            }
1965 };
1966
1967 static struct ValueTextInfo options_access_layer[] =
1968 {
1969   { EP_ACCESSIBLE_OVER,         "over"                          },
1970   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
1971   { EP_ACCESSIBLE_UNDER,        "under"                         },
1972
1973   { -1,                         NULL                            }
1974 };
1975
1976 static struct ValueTextInfo options_access_protected[] =
1977 {
1978   { 0,                          "unprotected"                   },
1979   { 1,                          "protected"                     },
1980
1981   { -1,                         NULL                            }
1982 };
1983
1984 static struct ValueTextInfo options_access_direction[] =
1985 {
1986   { MV_NO_DIRECTION,            "no direction"                  },
1987   { MV_LEFT,                    "left"                          },
1988   { MV_RIGHT,                   "right"                         },
1989   { MV_UP,                      "up"                            },
1990   { MV_DOWN,                    "down"                          },
1991   { MV_LEFT  | MV_UP,           "left + up"                     },
1992   { MV_LEFT  | MV_DOWN,         "left + down"                   },
1993   { MV_RIGHT | MV_UP,           "right + up"                    },
1994   { MV_RIGHT | MV_DOWN,         "right + down"                  },
1995   { MV_HORIZONTAL,              "horizontal"                    },
1996   { MV_VERTICAL,                "vertical"                      },
1997   { MV_HORIZONTAL | MV_UP,      "horizontal + up"               },
1998   { MV_HORIZONTAL | MV_DOWN,    "horizontal + down"             },
1999   { MV_VERTICAL   | MV_LEFT,    "vertical + left"               },
2000   { MV_VERTICAL   | MV_RIGHT,   "vertical + right"              },
2001   { MV_ALL_DIRECTIONS,          "all directions"                },
2002
2003   { -1,                         NULL                            }
2004 };
2005
2006 static struct ValueTextInfo options_walk_to_action[] =
2007 {
2008   { EP_DIGGABLE,                "diggable"                      },
2009   { EP_COLLECTIBLE_ONLY,        "collectible"                   },
2010   { EP_DROPPABLE,               "collectible & droppable"       },
2011   { EP_THROWABLE,               "collectible & throwable"       },
2012   { EP_PUSHABLE,                "pushable"                      },
2013
2014   { -1,                         NULL                            }
2015 };
2016
2017 static struct ValueTextInfo options_move_pattern[] =
2018 {
2019   { MV_LEFT,                    "left"                          },
2020   { MV_RIGHT,                   "right"                         },
2021   { MV_UP,                      "up"                            },
2022   { MV_DOWN,                    "down"                          },
2023   { MV_HORIZONTAL,              "horizontal"                    },
2024   { MV_VERTICAL,                "vertical"                      },
2025   { MV_ALL_DIRECTIONS,          "all directions"                },
2026   { MV_WIND_DIRECTION,          "wind direction"                },
2027   { MV_TOWARDS_PLAYER,          "towards player"                },
2028   { MV_AWAY_FROM_PLAYER,        "away from player"              },
2029   { MV_ALONG_LEFT_SIDE,         "along left side"               },
2030   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
2031   { MV_TURNING_LEFT,            "turning left"                  },
2032   { MV_TURNING_RIGHT,           "turning right"                 },
2033   { MV_TURNING_LEFT_RIGHT,      "turning left, right"           },
2034   { MV_TURNING_RIGHT_LEFT,      "turning right, left"           },
2035   { MV_TURNING_RANDOM,          "turning random"                },
2036   { MV_MAZE_RUNNER,             "maze runner style"             },
2037   { MV_MAZE_HUNTER,             "maze hunter style"             },
2038   { MV_WHEN_PUSHED,             "when pushed"                   },
2039   { MV_WHEN_DROPPED,            "when dropped/thrown"           },
2040
2041   { -1,                         NULL                            }
2042 };
2043
2044 static struct ValueTextInfo options_move_direction[] =
2045 {
2046   { MV_START_AUTOMATIC,         "automatic"                     },
2047   { MV_START_LEFT,              "left"                          },
2048   { MV_START_RIGHT,             "right"                         },
2049   { MV_START_UP,                "up"                            },
2050   { MV_START_DOWN,              "down"                          },
2051   { MV_START_RANDOM,            "random"                        },
2052   { MV_START_PREVIOUS,          "previous"                      },
2053
2054   { -1,                         NULL                            }
2055 };
2056
2057 static struct ValueTextInfo options_move_stepsize[] =
2058 {
2059   { 0,                          "not moving"                    },
2060   { 1,                          "very slow"                     },
2061   { 2,                          "slow"                          },
2062   { 4,                          "normal"                        },
2063   { 8,                          "fast"                          },
2064   { 16,                         "very fast"                     },
2065   { 32,                         "even faster"                   },
2066
2067   { -1,                         NULL                            }
2068 };
2069
2070 static struct ValueTextInfo options_move_leave_type[] =
2071 {
2072   { LEAVE_TYPE_UNLIMITED,       "leave behind"                  },
2073   { LEAVE_TYPE_LIMITED,         "change it to"                  },
2074
2075   { -1,                         NULL                            }
2076 };
2077
2078 static struct ValueTextInfo options_smash_targets[] =
2079 {
2080   { EP_CAN_SMASH_PLAYER,        "player"                        },
2081 #if 0
2082   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
2083 #endif
2084   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
2085
2086   { -1,                         NULL                            }
2087 };
2088
2089 static struct ValueTextInfo options_slippery_type[] =
2090 {
2091   { SLIPPERY_ANY_RANDOM,        "random"                        },
2092   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
2093   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
2094   { SLIPPERY_ONLY_LEFT,         "only left"                     },
2095   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
2096
2097   { -1,                         NULL                            }
2098 };
2099
2100 static struct ValueTextInfo options_deadliness[] =
2101 {
2102   { EP_DONT_RUN_INTO,           "running into"                  },
2103   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
2104   { EP_DONT_GET_HIT_BY,         "getting hit by"                },
2105   { EP_DONT_TOUCH,              "touching"                      },
2106
2107   { -1,                         NULL                            }
2108 };
2109
2110 static struct ValueTextInfo options_explosion_type[] =
2111 {
2112   { EXPLODES_3X3,               "3x3"                           },
2113   { EXPLODES_CROSS,             "3+3"                           },
2114   { EXPLODES_1X1,               "1x1"                           },
2115
2116   { -1,                         NULL                            }
2117 };
2118
2119 static struct ValueTextInfo options_time_units[] =
2120 {
2121   { 1,                          "frames"                        },
2122   { FRAMES_PER_SECOND,          "seconds"                       },
2123
2124   { -1,                         NULL                            }
2125 };
2126
2127 static struct ValueTextInfo options_change_direct_action[] =
2128 {
2129   { CE_TOUCHED_BY_PLAYER,       "touched by player"             },
2130   { CE_PRESSED_BY_PLAYER,       "pressed by player"             },
2131   { CE_SWITCHED_BY_PLAYER,      "switched by player"            },
2132   { CE_SNAPPED_BY_PLAYER,       "snapped by player"             },
2133   { CE_PUSHED_BY_PLAYER,        "pushed by player"              },
2134   { CE_ENTERED_BY_PLAYER,       "entered by player"             },
2135   { CE_LEFT_BY_PLAYER,          "left by player"                },
2136   { CE_DROPPED_BY_PLAYER,       "dropped/thrown by player"      },
2137   { CE_SWITCHED,                "switched"                      },
2138   { CE_HITTING_SOMETHING,       "hitting something"             },
2139   { CE_HIT_BY_SOMETHING,        "hit by something"              },
2140 #if 0
2141   { CE_BLOCKED,                 "blocked"                       },
2142 #endif
2143   { CE_IMPACT,                  "impact (on something)"         },
2144   { CE_SMASHED,                 "smashed (from above)"          },
2145 #if 0
2146   { CE_VALUE_CHANGES,           "CE value changes"              },
2147   { CE_SCORE_CHANGES,           "CE score changes"              },
2148 #endif
2149   { CE_VALUE_GETS_ZERO,         "CE value gets 0"               },
2150   { CE_SCORE_GETS_ZERO,         "CE score gets 0"               },
2151   { CE_UNDEFINED,               " "                             },
2152   { CE_HEADLINE_SPECIAL_EVENTS, "[mouse events]"                },
2153   { CE_CLICKED_BY_MOUSE,        "clicked by mouse"              },
2154   { CE_PRESSED_BY_MOUSE,        "pressed by mouse"              },
2155   { CE_UNDEFINED,               " "                             },
2156   { CE_HEADLINE_SPECIAL_EVENTS, "[static states]"               },
2157   { CE_NEXT_TO_PLAYER,          "next to player"                },
2158
2159   { -1,                         NULL                            }
2160 };
2161
2162 static struct ValueTextInfo options_change_other_action[] =
2163 {
2164   { CE_PLAYER_TOUCHES_X,        "player touches"                },
2165   { CE_PLAYER_PRESSES_X,        "player presses"                },
2166   { CE_PLAYER_SWITCHES_X,       "player switches"               },
2167   { CE_PLAYER_SNAPS_X,          "player snaps"                  },
2168   { CE_PLAYER_PUSHES_X,         "player pushes"                 },
2169   { CE_PLAYER_ENTERS_X,         "player enters"                 },
2170   { CE_PLAYER_LEAVES_X,         "player leaves"                 },
2171   { CE_PLAYER_DIGS_X,           "player digs"                   },
2172   { CE_PLAYER_COLLECTS_X,       "player collects"               },
2173   { CE_PLAYER_DROPS_X,          "player drops/throws"           },
2174   { CE_TOUCHING_X,              "touching"                      },
2175   { CE_HITTING_X,               "hitting"                       },
2176   { CE_DIGGING_X,               "digging"                       },
2177   { CE_HIT_BY_X,                "hit by"                        },
2178   { CE_SWITCH_OF_X,             "switch of"                     },
2179   { CE_CHANGE_OF_X,             "change by page of"             },
2180   { CE_EXPLOSION_OF_X,          "explosion of"                  },
2181   { CE_MOVE_OF_X,               "move of"                       },
2182   { CE_CREATION_OF_X,           "creation of"                   },
2183   { CE_VALUE_CHANGES_OF_X,      "CE value changes of"           },
2184   { CE_SCORE_CHANGES_OF_X,      "CE score changes of"           },
2185   { CE_VALUE_GETS_ZERO_OF_X,    "CE value gets 0 of"            },
2186   { CE_SCORE_GETS_ZERO_OF_X,    "CE score gets 0 of"            },
2187   { CE_UNDEFINED,               " "                             },
2188   { CE_HEADLINE_SPECIAL_EVENTS, "[mouse events]"                },
2189   { CE_MOUSE_CLICKED_ON_X,      "mouse clicked on"              },
2190   { CE_MOUSE_PRESSED_ON_X,      "mouse pressed on"              },
2191   { CE_UNDEFINED,               " "                             },
2192   { CE_HEADLINE_SPECIAL_EVENTS, "[static states]"               },
2193   { CE_PLAYER_NEXT_TO_X,        "player next to"                },
2194   { CE_NEXT_TO_X,               "next to"                       },
2195
2196   { -1,                         NULL                            }
2197 };
2198
2199 static struct ValueTextInfo options_change_trigger_side[] =
2200 {
2201   { CH_SIDE_LEFT,               "left"                          },
2202   { CH_SIDE_RIGHT,              "right"                         },
2203   { CH_SIDE_TOP,                "top"                           },
2204   { CH_SIDE_BOTTOM,             "bottom"                        },
2205   { CH_SIDE_LEFT_RIGHT,         "left/right"                    },
2206   { CH_SIDE_TOP_BOTTOM,         "top/bottom"                    },
2207   { CH_SIDE_ANY,                "any"                           },
2208
2209   { -1,                         NULL                            }
2210 };
2211
2212 static struct ValueTextInfo options_change_trigger_player[] =
2213 {
2214   { CH_PLAYER_1,                "1"                             },
2215   { CH_PLAYER_2,                "2"                             },
2216   { CH_PLAYER_3,                "3"                             },
2217   { CH_PLAYER_4,                "4"                             },
2218   { CH_PLAYER_ANY,              "any"                           },
2219
2220   { -1,                         NULL                            }
2221 };
2222
2223 static struct ValueTextInfo options_change_trigger_page[] =
2224 {
2225   { (1u << 0),                  "1"                             },
2226   { (1u << 1),                  "2"                             },
2227   { (1u << 2),                  "3"                             },
2228   { (1u << 3),                  "4"                             },
2229   { (1u << 4),                  "5"                             },
2230   { (1u << 5),                  "6"                             },
2231   { (1u << 6),                  "7"                             },
2232   { (1u << 7),                  "8"                             },
2233   { (1u << 8),                  "9"                             },
2234   { (1u << 9),                  "10"                            },
2235   { (1u << 10),                 "11"                            },
2236   { (1u << 11),                 "12"                            },
2237   { (1u << 12),                 "13"                            },
2238   { (1u << 13),                 "14"                            },
2239   { (1u << 14),                 "15"                            },
2240   { (1u << 15),                 "16"                            },
2241   { (1u << 16),                 "17"                            },
2242   { (1u << 17),                 "18"                            },
2243   { (1u << 18),                 "19"                            },
2244   { (1u << 19),                 "20"                            },
2245   { (1u << 20),                 "21"                            },
2246   { (1u << 21),                 "22"                            },
2247   { (1u << 22),                 "23"                            },
2248   { (1u << 23),                 "24"                            },
2249   { (1u << 24),                 "25"                            },
2250   { (1u << 25),                 "26"                            },
2251   { (1u << 26),                 "27"                            },
2252   { (1u << 27),                 "28"                            },
2253   { (1u << 28),                 "29"                            },
2254   { (1u << 29),                 "30"                            },
2255   { (1u << 30),                 "31"                            },
2256   { (1u << 31),                 "32"                            },
2257   { CH_PAGE_ANY,                "any"                           },
2258
2259   { -1,                         NULL                            }
2260 };
2261
2262 static struct ValueTextInfo options_change_replace_when[] =
2263 {
2264   { CP_WHEN_EMPTY,              "empty"                         },
2265   { CP_WHEN_WALKABLE,           "walkable"                      },
2266   { CP_WHEN_DIGGABLE,           "diggable"                      },
2267   { CP_WHEN_COLLECTIBLE,        "collectible"                   },
2268   { CP_WHEN_REMOVABLE,          "removable"                     },
2269   { CP_WHEN_DESTRUCTIBLE,       "destructible"                  },
2270
2271   { -1,                         NULL                            }
2272 };
2273
2274 static struct ValueTextInfo options_action_type[] =
2275 {
2276   { CA_NO_ACTION,               "no action"                     },
2277   { CA_UNDEFINED,               " "                             },
2278   { CA_HEADLINE_LEVEL_ACTIONS,  "[level]"                       },
2279   { CA_RESTART_LEVEL,           "restart level"                 },
2280   { CA_SHOW_ENVELOPE,           "show envelope"                 },
2281   { CA_SET_LEVEL_TIME,          "set time"                      },
2282   { CA_SET_LEVEL_SCORE,         "set score"                     },
2283   { CA_SET_LEVEL_GEMS,          "set gems"                      },
2284   { CA_SET_LEVEL_WIND,          "set wind dir."                 },
2285   { CA_SET_LEVEL_RANDOM_SEED,   "set random seed"               },
2286   { CA_UNDEFINED,               " "                             },
2287   { CA_HEADLINE_PLAYER_ACTIONS, "[player]"                      },
2288   { CA_MOVE_PLAYER,             "move player"                   },
2289   { CA_MOVE_PLAYER_NEW,         "move player new"               },
2290   { CA_EXIT_PLAYER,             "exit player"                   },
2291   { CA_KILL_PLAYER,             "kill player"                   },
2292   { CA_SET_PLAYER_KEYS,         "set keys"                      },
2293   { CA_SET_PLAYER_SPEED,        "set speed"                     },
2294   { CA_SET_PLAYER_SHIELD,       "set shield"                    },
2295   { CA_SET_PLAYER_GRAVITY,      "set gravity"                   },
2296   { CA_SET_PLAYER_ARTWORK,      "set artwork"                   },
2297   { CA_SET_PLAYER_INVENTORY,    "set inventory"                 },
2298   { CA_UNDEFINED,               " "                             },
2299   { CA_HEADLINE_CE_ACTIONS,     "[CE]"                          },
2300   { CA_SET_CE_VALUE,            "set CE value"                  },
2301   { CA_SET_CE_SCORE,            "set CE score"                  },
2302   { CA_SET_CE_ARTWORK,          "set CE artwork"                },
2303   { CA_UNDEFINED,               " "                             },
2304   { CA_HEADLINE_ENGINE_ACTIONS, "[engine]"                      },
2305   { CA_SET_ENGINE_SCAN_MODE,    "set scan mode"                 },
2306
2307   { -1,                         NULL                            }
2308 };
2309
2310 static struct ValueTextInfo options_action_mode_none[] =
2311 {
2312   { CA_MODE_UNDEFINED,          " "                             },
2313
2314   { -1,                         NULL                            }
2315 };
2316
2317 static struct ValueTextInfo options_action_mode_assign[] =
2318 {
2319   { CA_MODE_SET,                "="                             },
2320
2321   { -1,                         NULL                            }
2322 };
2323
2324 static struct ValueTextInfo options_action_mode_add_remove[] =
2325 {
2326   { CA_MODE_ADD,                "+"                             },
2327   { CA_MODE_SUBTRACT,           "-"                             },
2328
2329   { -1,                         NULL                            }
2330 };
2331
2332 static struct ValueTextInfo options_action_mode_calculate[] =
2333 {
2334   { CA_MODE_SET,                "="                             },
2335   { CA_MODE_ADD,                "+"                             },
2336   { CA_MODE_SUBTRACT,           "-"                             },
2337   { CA_MODE_MULTIPLY,           "*"                             },
2338   { CA_MODE_DIVIDE,             "/"                             },
2339   { CA_MODE_MODULO,             "%"                             },
2340
2341   { -1,                         NULL                            }
2342 };
2343
2344 static struct ValueTextInfo options_action_arg_none[] =
2345 {
2346   { CA_ARG_UNDEFINED,           "         "                     },
2347
2348   { -1,                         NULL                            }
2349 };
2350
2351 static struct ValueTextInfo options_action_arg_player[] =
2352 {
2353   { CA_ARG_PLAYER_HEADLINE,     "[player]"                      },
2354   { CA_ARG_PLAYER_1,            "1"                             },
2355   { CA_ARG_PLAYER_2,            "2"                             },
2356   { CA_ARG_PLAYER_3,            "3"                             },
2357   { CA_ARG_PLAYER_4,            "4"                             },
2358   { CA_ARG_PLAYER_ANY,          "any"                           },
2359   { CA_ARG_PLAYER_TRIGGER,      "trigger"                       },
2360   { CA_ARG_PLAYER_ACTION,       "action ->"                     },
2361
2362   { -1,                         NULL                            }
2363 };
2364
2365 static struct ValueTextInfo options_action_arg_number[] =
2366 {
2367   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2368   { CA_ARG_0,                   "0"                             },
2369   { CA_ARG_1,                   "1"                             },
2370   { CA_ARG_2,                   "2"                             },
2371   { CA_ARG_3,                   "3"                             },
2372   { CA_ARG_4,                   "4"                             },
2373   { CA_ARG_5,                   "5"                             },
2374   { CA_ARG_10,                  "10"                            },
2375   { CA_ARG_100,                 "100"                           },
2376   { CA_ARG_1000,                "1000"                          },
2377   { CA_ARG_UNDEFINED,           " "                             },
2378   { CA_ARG_NUMBER_MIN,          "min"                           },
2379   { CA_ARG_NUMBER_MAX,          "max"                           },
2380   { CA_ARG_UNDEFINED,           " "                             },
2381   { CA_ARG_NUMBER_RESET,        "reset"                         },
2382   { CA_ARG_UNDEFINED,           " "                             },
2383   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2384   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2385   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2386   { CA_ARG_UNDEFINED,           " "                             },
2387   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2388   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2389   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2390   { CA_ARG_UNDEFINED,           " "                             },
2391   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2392   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2393   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2394   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2395   { CA_ARG_UNDEFINED,           " "                             },
2396   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2397   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2398   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2399   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2400
2401   { -1,                         NULL                            }
2402 };
2403
2404 static struct ValueTextInfo options_action_arg_value[] =
2405 {
2406   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2407   { CA_ARG_0,                   "0"                             },
2408   { CA_ARG_1,                   "1"                             },
2409   { CA_ARG_2,                   "2"                             },
2410   { CA_ARG_3,                   "3"                             },
2411   { CA_ARG_4,                   "4"                             },
2412   { CA_ARG_5,                   "5"                             },
2413   { CA_ARG_10,                  "10"                            },
2414   { CA_ARG_100,                 "100"                           },
2415   { CA_ARG_1000,                "1000"                          },
2416   { CA_ARG_UNDEFINED,           " "                             },
2417   { CA_ARG_NUMBER_MIN,          "min"                           },
2418   { CA_ARG_NUMBER_MAX,          "max"                           },
2419   { CA_ARG_UNDEFINED,           " "                             },
2420   { CA_ARG_NUMBER_RESET,        "reset"                         },
2421   { CA_ARG_UNDEFINED,           " "                             },
2422   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2423   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2424   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2425   { CA_ARG_UNDEFINED,           " "                             },
2426   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2427   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2428   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2429   { CA_ARG_UNDEFINED,           " "                             },
2430   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2431   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2432   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2433   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2434   { CA_ARG_UNDEFINED,           " "                             },
2435   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2436   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2437   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2438   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2439   { CA_ARG_UNDEFINED,           " "                             },
2440   { CA_ARG_ELEMENT_NR_HEADLINE, "[element]"                     },
2441   { CA_ARG_ELEMENT_NR_TARGET,   "target"                        },
2442   { CA_ARG_ELEMENT_NR_TRIGGER,  "trigger"                       },
2443   { CA_ARG_ELEMENT_NR_ACTION,   "action ->"                     },
2444
2445   { -1,                         NULL                            }
2446 };
2447
2448 static struct ValueTextInfo options_action_arg_envelope[] =
2449 {
2450   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2451   { CA_ARG_1,                   "1"                             },
2452   { CA_ARG_2,                   "2"                             },
2453   { CA_ARG_3,                   "3"                             },
2454   { CA_ARG_4,                   "4"                             },
2455   { CA_ARG_UNDEFINED,           " "                             },
2456   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2457   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2458   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2459   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2460
2461   { -1,                         NULL                            }
2462 };
2463
2464 static struct ValueTextInfo options_action_arg_key[] =
2465 {
2466   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2467   { CA_ARG_1,                   "1"                             },
2468   { CA_ARG_2,                   "2"                             },
2469   { CA_ARG_3,                   "3"                             },
2470   { CA_ARG_4,                   "4"                             },
2471   { CA_ARG_5,                   "5"                             },
2472   { CA_ARG_6,                   "6"                             },
2473   { CA_ARG_7,                   "7"                             },
2474   { CA_ARG_8,                   "8"                             },
2475   { CA_ARG_UNDEFINED,           " "                             },
2476   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2477   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2478   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2479   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2480
2481   { -1,                         NULL                            }
2482 };
2483
2484 static struct ValueTextInfo options_action_arg_speed[] =
2485 {
2486   { CA_ARG_SPEED_HEADLINE,      "[speed]"                       },
2487   { CA_ARG_SPEED_NOT_MOVING,    "frozen"                        },
2488   { CA_ARG_SPEED_VERY_SLOW,     "very slow"                     },
2489   { CA_ARG_SPEED_SLOW,          "slow"                          },
2490   { CA_ARG_SPEED_NORMAL,        "normal"                        },
2491   { CA_ARG_SPEED_FAST,          "fast"                          },
2492   { CA_ARG_SPEED_VERY_FAST,     "very fast"                     },
2493   { CA_ARG_SPEED_EVEN_FASTER,   "ultrafast"                     },
2494   { CA_ARG_UNDEFINED,           " "                             },
2495   { CA_ARG_SPEED_SLOWER,        "slower"                        },
2496   { CA_ARG_SPEED_FASTER,        "faster"                        },
2497   { CA_ARG_UNDEFINED,           " "                             },
2498   { CA_ARG_SPEED_RESET,         "reset"                         },
2499
2500   { -1,                         NULL                            }
2501 };
2502
2503 static struct ValueTextInfo options_action_arg_shield[] =
2504 {
2505   { CA_ARG_SHIELD_HEADLINE,     "[shield]"                      },
2506   { CA_ARG_SHIELD_OFF,          "off"                           },
2507   { CA_ARG_SHIELD_NORMAL,       "normal"                        },
2508   { CA_ARG_SHIELD_DEADLY,       "deadly"                        },
2509
2510   { -1,                         NULL                            }
2511 };
2512
2513 static struct ValueTextInfo options_action_arg_artwork[] =
2514 {
2515   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2516   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2517   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2518   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2519   { CA_ARG_UNDEFINED,           " "                             },
2520   { CA_ARG_ELEMENT_RESET,       "reset"                         },
2521
2522   { -1,                         NULL                            }
2523 };
2524
2525 static struct ValueTextInfo options_action_arg_gravity[] =
2526 {
2527   { CA_ARG_GRAVITY_HEADLINE,    "[gravity]"                     },
2528   { CA_ARG_GRAVITY_ON,          "on"                            },
2529   { CA_ARG_GRAVITY_OFF,         "off"                           },
2530   { CA_ARG_GRAVITY_TOGGLE,      "toggle"                        },
2531
2532   { -1,                         NULL                            }
2533 };
2534
2535 static struct ValueTextInfo options_action_arg_direction[] =
2536 {
2537   { CA_ARG_DIRECTION_HEADLINE,  "[dir.]"                        },
2538   { CA_ARG_DIRECTION_NONE,      "none"                          },
2539   { CA_ARG_DIRECTION_LEFT,      "left"                          },
2540   { CA_ARG_DIRECTION_RIGHT,     "right"                         },
2541   { CA_ARG_DIRECTION_UP,        "up"                            },
2542   { CA_ARG_DIRECTION_DOWN,      "down"                          },
2543   { CA_ARG_DIRECTION_TRIGGER,   "trigger"                       },
2544   { CA_ARG_DIRECTION_TRIGGER_BACK, "-trigger"                   },
2545
2546   { -1,                         NULL                            }
2547 };
2548
2549 static struct ValueTextInfo options_action_arg_scan_mode[] =
2550 {
2551   { CA_ARG_SCAN_MODE_HEADLINE,  "[mode]"                        },
2552   { CA_ARG_SCAN_MODE_NORMAL,    "normal"                        },
2553   { CA_ARG_SCAN_MODE_REVERSE,   "reverse"                       },
2554
2555   { -1,                         NULL                            }
2556 };
2557
2558 static struct ValueTextInfo options_action_arg_inventory[] =
2559 {
2560   { CA_ARG_INVENTORY_HEADLINE,  "[add]"                         },
2561   { CA_ARG_ELEMENT_TARGET,      "+ target"                      },
2562   { CA_ARG_ELEMENT_TRIGGER,     "+ trigger"                     },
2563   { CA_ARG_ELEMENT_ACTION,      "+ action"                      },
2564   { CA_ARG_UNDEFINED,           " "                             },
2565   { CA_ARG_INVENTORY_RM_HEADLINE,"[remove]"                     },
2566   { CA_ARG_INVENTORY_RM_TARGET, "- target"                      },
2567   { CA_ARG_INVENTORY_RM_TRIGGER,"- trigger"                     },
2568   { CA_ARG_INVENTORY_RM_ACTION, "- action"                      },
2569   { CA_ARG_INVENTORY_RM_FIRST,  "- first"                       },
2570   { CA_ARG_INVENTORY_RM_LAST,   "- last"                        },
2571   { CA_ARG_INVENTORY_RM_ALL,    "- all"                         },
2572   { CA_ARG_UNDEFINED,           " "                             },
2573   { CA_ARG_INVENTORY_RESET,     "reset"                         },
2574
2575   { -1,                         NULL                            }
2576 };
2577
2578 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
2579 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
2580 {
2581   { -1,                         NULL                            }
2582 };
2583
2584 static struct ValueTextInfo options_group_choice_mode[] =
2585 {
2586   { ANIM_RANDOM,                "random"                        },
2587   { ANIM_LOOP,                  "loop"                          },
2588   { ANIM_LINEAR,                "linear"                        },
2589   { ANIM_PINGPONG,              "pingpong"                      },
2590   { ANIM_PINGPONG2,             "pingpong 2"                    },
2591   { ANIM_LEVEL_NR,              "level number"                  },
2592
2593   { -1,                         NULL                            }
2594 };
2595
2596 static struct ValueTextInfo options_bd_scheduling_type[] =
2597 {
2598   { GD_SCHEDULING_MILLISECONDS,   "Milliseconds"                },
2599   { GD_SCHEDULING_BD1,            "BD1"                         },
2600   { GD_SCHEDULING_BD2,            "BD2"                         },
2601   { GD_SCHEDULING_PLCK,           "Construction Kit"            },
2602   { GD_SCHEDULING_CRDR,           "Crazy Dream 7"               },
2603   { GD_SCHEDULING_BD1_ATARI,      "Atari BD1"                   },
2604   { GD_SCHEDULING_BD2_PLCK_ATARI, "Atari BD2 / PLCK"            },
2605
2606   { -1,                           NULL                          }
2607 };
2608
2609 static struct ValueTextInfo *action_arg_modes[] =
2610 {
2611   options_action_mode_none,
2612   options_action_mode_assign,
2613   options_action_mode_add_remove,
2614   options_action_mode_calculate,
2615 };
2616
2617 static struct
2618 {
2619   int value;
2620   int mode;
2621   struct ValueTextInfo *options;
2622 }
2623 action_arg_options[] =
2624 {
2625   { CA_NO_ACTION,               0,      options_action_arg_none,        },
2626   { CA_EXIT_PLAYER,             0,      options_action_arg_player,      },
2627   { CA_KILL_PLAYER,             0,      options_action_arg_player,      },
2628   { CA_MOVE_PLAYER,             0,      options_action_arg_direction,   },
2629   { CA_MOVE_PLAYER_NEW,         0,      options_action_arg_direction,   },
2630   { CA_RESTART_LEVEL,           0,      options_action_arg_none,        },
2631   { CA_SHOW_ENVELOPE,           0,      options_action_arg_envelope,    },
2632   { CA_SET_LEVEL_TIME,          3,      options_action_arg_number,      },
2633   { CA_SET_LEVEL_GEMS,          3,      options_action_arg_number,      },
2634   { CA_SET_LEVEL_SCORE,         3,      options_action_arg_number,      },
2635   { CA_SET_LEVEL_WIND,          1,      options_action_arg_direction,   },
2636   { CA_SET_LEVEL_RANDOM_SEED,   1,      options_action_arg_number,      },
2637   { CA_SET_PLAYER_KEYS,         2,      options_action_arg_key,         },
2638   { CA_SET_PLAYER_SPEED,        1,      options_action_arg_speed,       },
2639   { CA_SET_PLAYER_SHIELD,       1,      options_action_arg_shield,      },
2640   { CA_SET_PLAYER_GRAVITY,      1,      options_action_arg_gravity,     },
2641   { CA_SET_PLAYER_ARTWORK,      1,      options_action_arg_artwork,     },
2642   { CA_SET_PLAYER_INVENTORY,    0,      options_action_arg_inventory,   },
2643   { CA_SET_CE_VALUE,            3,      options_action_arg_value,       },
2644   { CA_SET_CE_SCORE,            3,      options_action_arg_value,       },
2645   { CA_SET_CE_ARTWORK,          1,      options_action_arg_artwork,     },
2646   { CA_SET_ENGINE_SCAN_MODE,    1,      options_action_arg_scan_mode,   },
2647
2648   { -1,                         FALSE,  NULL                            }
2649 };
2650
2651 static struct
2652 {
2653   int gadget_type_id;
2654   int x, y;
2655   int gadget_id;
2656   int gadget_id_align;
2657   int size;     // char size of selectbox or '-1' (dynamically determined)
2658   struct ValueTextInfo *options;
2659   int *value;
2660   char *text_above, *text_left, *text_right, *infotext;
2661 } selectbox_info[ED_NUM_SELECTBOX] =
2662 {
2663   // ---------- level and editor settings -------------------------------------
2664
2665   {
2666     ED_SELECTBOX_ID_TIME_OR_STEPS,
2667     -1,                                 ED_LEVEL_SETTINGS_YPOS(8),
2668     GADGET_ID_TIME_OR_STEPS,            GADGET_ID_LEVEL_TIMELIMIT_UP,
2669     -1,
2670     options_time_or_steps,
2671     &level.use_step_counter,
2672     NULL, NULL, "(0 => no limit)",      "time or step limit"
2673   },
2674   {
2675     ED_SELECTBOX_ID_TIME_SCORE_BASE,
2676     -1,                                 ED_LEVEL_SETTINGS_YPOS(10),
2677     GADGET_ID_TIME_SCORE_BASE,          GADGET_ID_LEVEL_TIMESCORE_UP,
2678     -1,
2679     options_time_score_base,
2680     &level.time_score_base,
2681     NULL, NULL, NULL,                   "time score for 1 or 10 seconds/steps"
2682   },
2683   {
2684     ED_SELECTBOX_ID_GAME_ENGINE_TYPE,
2685     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(12),
2686     GADGET_ID_GAME_ENGINE_TYPE,         GADGET_ID_NONE,
2687     -1,
2688     options_game_engine_type,
2689     &level.game_engine_type,
2690     NULL, "game engine:", NULL,         "game engine"
2691   },
2692   {
2693     ED_SELECTBOX_ID_BD_SCHEDULING_TYPE,
2694     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
2695     GADGET_ID_BD_SCHEDULING_TYPE,       GADGET_ID_NONE,
2696     -1,
2697     options_bd_scheduling_type,
2698     &level.bd_scheduling_type,
2699     NULL, "scheduling type:", NULL,     "level timing"
2700   },
2701   {
2702     ED_SELECTBOX_ID_LEVELSET_SAVE_MODE,
2703     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
2704     GADGET_ID_LEVELSET_SAVE_MODE,       GADGET_ID_NONE,
2705     -1,
2706     options_levelset_save_mode,
2707     &levelset_save_mode,
2708     "Action:", NULL, NULL,              "action when saving level set"
2709   },
2710
2711   // ---------- element settings: configure (several elements) ----------------
2712
2713   {
2714     ED_SELECTBOX_ID_WIND_DIRECTION,
2715     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2716     GADGET_ID_WIND_DIRECTION,           GADGET_ID_NONE,
2717     -1,
2718     options_wind_direction,
2719     &level.wind_direction_initial,
2720     NULL, "initial wind direction:", NULL,      "initial wind direction"
2721   },
2722   {
2723     ED_SELECTBOX_ID_PLAYER_SPEED,
2724     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2725     GADGET_ID_PLAYER_SPEED,             GADGET_ID_NONE,
2726     -1,
2727     options_player_speed,
2728     &level.initial_player_stepsize[0],
2729     NULL, "initial player speed:", NULL,        "initial player speed"
2730   },
2731   {
2732     ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE,
2733     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2734     GADGET_ID_MM_BALL_CHOICE_MODE,      GADGET_ID_NONE,
2735     -1,
2736     options_group_choice_mode,
2737     &level.mm_ball_choice_mode,
2738     NULL, "choice type:", NULL,         "type of content choice"
2739   },
2740
2741   // ---------- element settings: configure 1 (custom elements) ---------------
2742
2743   {
2744     ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE,
2745     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2746     GADGET_ID_CUSTOM_ACCESS_TYPE,       GADGET_ID_NONE,
2747     -1,
2748     options_access_type,
2749     &custom_element.access_type,
2750     NULL, NULL, NULL,                   "type of access to this field"
2751   },
2752   {
2753     ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER,
2754     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2755     GADGET_ID_CUSTOM_ACCESS_LAYER,      GADGET_ID_CUSTOM_ACCESS_TYPE,
2756     -1,
2757     options_access_layer,
2758     &custom_element.access_layer,
2759     NULL, NULL, NULL,                   "layer of access for this field"
2760   },
2761   {
2762     ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED,
2763     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2764     GADGET_ID_CUSTOM_ACCESS_PROTECTED,  GADGET_ID_CUSTOM_ACCESS_LAYER,
2765     -1,
2766     options_access_protected,
2767     &custom_element.access_protected,
2768     NULL, NULL, NULL,                   "protected access for this field"
2769   },
2770   {
2771     ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION,
2772     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2773     GADGET_ID_CUSTOM_ACCESS_DIRECTION,  GADGET_ID_NONE,
2774     -1,
2775     options_access_direction,
2776     &custom_element.access_direction,
2777     NULL, "from", NULL,                 "access direction for this field"
2778   },
2779   {
2780     ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION,
2781     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2782     GADGET_ID_CUSTOM_WALK_TO_ACTION,    GADGET_ID_NONE,
2783     -1,
2784     options_walk_to_action,
2785     &custom_element.walk_to_action,
2786     NULL, NULL, NULL,                   "diggable/collectible/pushable"
2787   },
2788
2789   // ---------- element settings: configure 2 (custom elements) ---------------
2790
2791   {
2792     ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN,
2793     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(1),
2794     GADGET_ID_CUSTOM_MOVE_PATTERN,      GADGET_ID_NONE,
2795     -1,
2796     options_move_pattern,
2797     &custom_element.move_pattern,
2798     NULL, "can move", NULL,             "element move pattern"
2799   },
2800   {
2801     ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION,
2802     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2803     GADGET_ID_CUSTOM_MOVE_DIRECTION,    GADGET_ID_NONE,
2804     -1,
2805     options_move_direction,
2806     &custom_element.move_direction_initial,
2807     NULL, "starts moving", NULL,        "initial element move direction"
2808   },
2809   {
2810     ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE,
2811     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2812     GADGET_ID_CUSTOM_MOVE_STEPSIZE,     GADGET_ID_NONE,
2813     -1,
2814     options_move_stepsize,
2815     &custom_element.move_stepsize,
2816     NULL, "move/fall speed", NULL,      "speed of element movement"
2817   },
2818   {
2819     ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE,
2820     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2821     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,   GADGET_ID_NONE,
2822     -1,
2823     options_move_leave_type,
2824     &custom_element.move_leave_type,
2825     // left text with leading spaces to place gadget next to "can dig" gadget
2826     // (needed because drawing area gadgets created after selectbox gadgets)
2827     // NULL, "can dig:    can", ":",    "leave behind or change element"
2828     NULL, "            can", ":",       "leave behind or change element"
2829   },
2830   {
2831     ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS,
2832     -1,                                 ED_ELEMENT_SETTINGS_YPOS(8),
2833     GADGET_ID_CUSTOM_SMASH_TARGETS,     GADGET_ID_CUSTOM_CAN_SMASH,
2834     -1,
2835     options_smash_targets,
2836     &custom_element.smash_targets,
2837     NULL, "can smash", NULL,            "elements that can be smashed"
2838   },
2839   {
2840     ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE,
2841     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
2842     GADGET_ID_CUSTOM_SLIPPERY_TYPE,     GADGET_ID_NONE,
2843     -1,
2844     options_slippery_type,
2845     &custom_element.slippery_type,
2846     NULL, "slippery", NULL,             "where other elements fall down"
2847   },
2848   {
2849     ED_SELECTBOX_ID_CUSTOM_DEADLINESS,
2850     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(10),
2851     GADGET_ID_CUSTOM_DEADLINESS,        GADGET_ID_NONE,
2852     -1,
2853     options_deadliness,
2854     &custom_element.deadliness,
2855     NULL, "deadly when", NULL,          "deadliness of element"
2856   },
2857   {
2858     ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE,
2859     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(11),
2860     GADGET_ID_CUSTOM_EXPLOSION_TYPE,    GADGET_ID_NONE,
2861     -1,
2862     options_explosion_type,
2863     &custom_element.explosion_type,
2864     NULL, "can explode", NULL,          "explosion type"
2865   },
2866
2867   // ---------- element settings: advanced (custom elements) ------------------
2868
2869   {
2870     ED_SELECTBOX_ID_CHANGE_TIME_UNITS,
2871     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(3),
2872     GADGET_ID_CHANGE_TIME_UNITS,        GADGET_ID_NONE,
2873     -1,
2874     options_time_units,
2875     &custom_element_change.delay_frames,
2876     NULL, "delay time given in", NULL,  "delay time units for change"
2877   },
2878   {
2879     ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION,
2880     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(4),
2881     GADGET_ID_CHANGE_DIRECT_ACTION,     GADGET_ID_NONE,
2882     -1,
2883     options_change_direct_action,
2884     &custom_element_change.direct_action,
2885     NULL, NULL, NULL,                   "type of direct action"
2886   },
2887   {
2888     ED_SELECTBOX_ID_CHANGE_OTHER_ACTION,
2889     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(5),
2890     GADGET_ID_CHANGE_OTHER_ACTION,      GADGET_ID_NONE,
2891     -1,
2892     options_change_other_action,
2893     &custom_element_change.other_action,
2894     NULL, NULL, "element:",             "type of other element action"
2895   },
2896   {
2897     ED_SELECTBOX_ID_CHANGE_SIDE,
2898     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(6),
2899     GADGET_ID_CHANGE_SIDE,              GADGET_ID_NONE,
2900     -1,
2901     options_change_trigger_side,
2902     &custom_element_change.trigger_side,
2903     NULL, "at", "side",                 "element side triggering change"
2904   },
2905   {
2906     ED_SELECTBOX_ID_CHANGE_PLAYER,
2907     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2908     GADGET_ID_CHANGE_PLAYER,            GADGET_ID_NONE,
2909     -1,
2910     options_change_trigger_player,
2911     &custom_element_change.trigger_player,
2912     NULL, "player:", " ",               "player that causes change"
2913   },
2914   {
2915     ED_SELECTBOX_ID_CHANGE_PAGE,
2916     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2917     GADGET_ID_CHANGE_PAGE,              GADGET_ID_CHANGE_PLAYER,
2918     -1,
2919     options_change_trigger_page,
2920     &custom_element_change.trigger_page,
2921     NULL, "page:", NULL,                "change page that causes change"
2922   },
2923   {
2924     ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN,
2925     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(10),
2926     GADGET_ID_CHANGE_REPLACE_WHEN,      GADGET_ID_NONE,
2927     -1,
2928     options_change_replace_when,
2929     &custom_element_change.replace_when,
2930     NULL, "replace when", NULL,         "which elements can be replaced"
2931   },
2932   {
2933     ED_SELECTBOX_ID_ACTION_TYPE,
2934     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
2935     GADGET_ID_ACTION_TYPE,              GADGET_ID_NONE,
2936     15,
2937     options_action_type,
2938     &custom_element_change.action_type,
2939     NULL, NULL, NULL,                   "action on specified condition"
2940   },
2941   {
2942     ED_SELECTBOX_ID_ACTION_MODE,
2943     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2944     GADGET_ID_ACTION_MODE,              GADGET_ID_ACTION_TYPE,
2945     -1,
2946     options_action_mode_none,
2947     &custom_element_change.action_mode,
2948     NULL, NULL, NULL,                   "action operator"
2949   },
2950   {
2951     ED_SELECTBOX_ID_ACTION_ARG,
2952     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2953     GADGET_ID_ACTION_ARG,               GADGET_ID_ACTION_MODE,
2954     -1,
2955     options_action_arg_none,
2956     &custom_element_change.action_arg,
2957     NULL, NULL, NULL,                   "action parameter"
2958   },
2959   {
2960     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE,
2961     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
2962     GADGET_ID_SELECT_CHANGE_PAGE,       GADGET_ID_NONE,
2963     3,
2964     options_change_page,
2965     &custom_element.current_change_page,
2966     NULL, NULL, NULL,                   "element change page"
2967   },
2968
2969   // ---------- element settings: configure (group elements) ------------------
2970
2971   {
2972     ED_SELECTBOX_ID_GROUP_CHOICE_MODE,
2973     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2974     GADGET_ID_GROUP_CHOICE_MODE,        GADGET_ID_NONE,
2975     -1,
2976     options_group_choice_mode,
2977     &group_element_info.choice_mode,
2978     NULL, "choice type:", NULL,         "type of group element choice"
2979   },
2980 };
2981
2982 static struct
2983 {
2984   int gadget_type_id;
2985   int x, y;
2986   int gadget_id;
2987   int gadget_id_align;
2988   int size;
2989   char *text;
2990   char *text_above, *text_left, *text_right, *infotext;
2991 } textbutton_info[ED_NUM_TEXTBUTTONS] =
2992 {
2993   // ---------- level and editor settings (tabs) ------------------------------
2994
2995   {
2996     ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL,
2997     ED_LEVEL_TABS_XPOS(0),              ED_LEVEL_TABS_YPOS(0),
2998     GADGET_ID_LEVELCONFIG_LEVEL,        GADGET_ID_NONE,
2999     8,                                  "Level",
3000     NULL, NULL, NULL,                   "Configure level settings"
3001   },
3002   {
3003     ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET,
3004     -1,                                 -1,
3005     GADGET_ID_LEVELCONFIG_LEVELSET,     GADGET_ID_LEVELCONFIG_LEVEL,
3006     8,                                  "Levelset",
3007     NULL, NULL, NULL,                   "Update this or create new level set"
3008   },
3009   {
3010     ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR,
3011     -1,                                 -1,
3012     GADGET_ID_LEVELCONFIG_EDITOR,       GADGET_ID_LEVELCONFIG_LEVELSET,
3013     8,                                  "Editor",
3014     NULL, NULL, NULL,                   "Configure editor settings"
3015   },
3016   {
3017     ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE,
3018     -1,                                 -1,
3019     GADGET_ID_LEVELCONFIG_ENGINE,       GADGET_ID_LEVELCONFIG_EDITOR,
3020     8,                                  "Engine",
3021     NULL, NULL, NULL,                   "Configure engine settings"
3022   },
3023
3024   // ---------- element settings (tabs) ---------------------------------------
3025
3026   {
3027     ED_TEXTBUTTON_ID_PROPERTIES_INFO,
3028     ED_ELEMENT_TABS_XPOS(0),            ED_ELEMENT_TABS_YPOS(0),
3029     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
3030     8,                                  "Info",
3031     NULL, NULL, NULL,                   "Show information about element"
3032   },
3033   {
3034     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG,
3035     -1,                                 -1,
3036     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_PROPERTIES_INFO,
3037     8,                                  "Config",
3038     NULL, NULL, NULL,                   "Configure element properties"
3039   },
3040   {
3041     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1,
3042     -1,                                 -1,
3043     GADGET_ID_PROPERTIES_CONFIG_1,      GADGET_ID_PROPERTIES_INFO,
3044     8,                                  "Config 1",
3045     NULL, NULL, NULL,                   "Configure element properties, part 1"
3046   },
3047   {
3048     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2,
3049     -1,                                 -1,
3050     GADGET_ID_PROPERTIES_CONFIG_2,      GADGET_ID_PROPERTIES_CONFIG_1,
3051     8,                                  "Config 2",
3052     NULL, NULL, NULL,                   "Configure element properties, part 2"
3053   },
3054   {
3055     ED_TEXTBUTTON_ID_PROPERTIES_CHANGE,
3056     -1,                                 -1,
3057     GADGET_ID_PROPERTIES_CHANGE,        GADGET_ID_PROPERTIES_CONFIG_2,
3058     8,                                  "Change",
3059     NULL, NULL, NULL,                   "Configure custom element change pages"
3060   },
3061
3062   // ---------- level and editor settings (buttons) ---------------------------
3063
3064   {
3065     ED_TEXTBUTTON_ID_SAVE_LEVELSET,
3066     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
3067     GADGET_ID_SAVE_LEVELSET,            GADGET_ID_LEVELSET_SAVE_MODE,
3068     -1,                                 "Save",
3069     NULL, NULL, NULL,                   "Update or create level set"
3070   },
3071   {
3072     ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2,
3073     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
3074     GADGET_ID_SAVE_AS_TEMPLATE_2,       GADGET_ID_NONE,
3075     -1,                                 "Save",
3076     NULL, NULL,                         "this level as level template",
3077     "Save current settings as new template"
3078   },
3079
3080   // ---------- element settings (buttons) ------------------------------------
3081
3082   {
3083     ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1,
3084     -1,                                 -1,
3085     GADGET_ID_SAVE_AS_TEMPLATE_1,       GADGET_ID_CUSTOM_USE_TEMPLATE_1,
3086     -1,                                 "Save",
3087     NULL, " ",                          "As Template",
3088     "Save current settings as new template"
3089   },
3090   {
3091     ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE,
3092     -1,                                 -1,
3093     GADGET_ID_ADD_CHANGE_PAGE,          GADGET_ID_PASTE_CHANGE_PAGE,
3094     -1,                                 "New",
3095     NULL, NULL, NULL,                   "Add new change page"
3096   },
3097   {
3098     ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE,
3099     -1,                                 -1,
3100     GADGET_ID_DEL_CHANGE_PAGE,          GADGET_ID_ADD_CHANGE_PAGE,
3101     -1,                                 "Delete",
3102     NULL, NULL, NULL,                   "Delete current change page"
3103   },
3104 };
3105
3106 static struct
3107 {
3108   int gadget_type_id;
3109   int graphic;
3110   int x, y;
3111   int gadget_id;
3112   int gadget_id_align;
3113   char *text_left, *text_right, *infotext;
3114 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
3115 {
3116   {
3117     ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE,
3118     IMG_EDITOR_COUNTER_DOWN,
3119     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3120     GADGET_ID_PREV_CHANGE_PAGE,         GADGET_ID_NONE,
3121     NULL, NULL,                         "select previous change page"
3122   },
3123   {
3124     ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE,
3125     IMG_EDITOR_COUNTER_UP,
3126     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
3127     GADGET_ID_NEXT_CHANGE_PAGE,         GADGET_ID_SELECT_CHANGE_PAGE,
3128     NULL, "change page",                "select next change page"
3129   },
3130   {
3131     ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE,
3132     IMG_GFX_EDITOR_BUTTON_CP_COPY,
3133     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
3134     GADGET_ID_COPY_CHANGE_PAGE,         GADGET_ID_NEXT_CHANGE_PAGE,
3135     " ", NULL,                          "copy settings from this change page"
3136   },
3137   {
3138     ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE,
3139     IMG_GFX_EDITOR_BUTTON_CP_PASTE,
3140     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
3141     GADGET_ID_PASTE_CHANGE_PAGE,        GADGET_ID_COPY_CHANGE_PAGE,
3142     NULL, NULL,                         "paste settings to this change page"
3143   },
3144 };
3145
3146 static struct
3147 {
3148   int x, y;
3149 } scrollbutton_pos[ED_NUM_SCROLLBUTTONS];
3150
3151 static struct
3152 {
3153   int gadget_type_id;
3154   int graphic;
3155   int gadget_id;
3156   char *infotext;
3157 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
3158 {
3159   {
3160     ED_SCROLLBUTTON_ID_AREA_UP,
3161     IMG_EDITOR_PLAYFIELD_SCROLL_UP,
3162     GADGET_ID_SCROLL_UP,
3163     "scroll level editing area up"
3164   },
3165   {
3166     ED_SCROLLBUTTON_ID_AREA_DOWN,
3167     IMG_EDITOR_PLAYFIELD_SCROLL_DOWN,
3168     GADGET_ID_SCROLL_DOWN,
3169     "scroll level editing area down"
3170   },
3171   {
3172     ED_SCROLLBUTTON_ID_AREA_LEFT,
3173     IMG_EDITOR_PLAYFIELD_SCROLL_LEFT,
3174     GADGET_ID_SCROLL_LEFT,
3175     "scroll level editing area left"
3176   },
3177   {
3178     ED_SCROLLBUTTON_ID_AREA_RIGHT,
3179     IMG_EDITOR_PLAYFIELD_SCROLL_RIGHT,
3180     GADGET_ID_SCROLL_RIGHT,
3181     "scroll level editing area right"
3182   },
3183   {
3184     ED_SCROLLBUTTON_ID_LIST_UP,
3185     IMG_EDITOR_PALETTE_SCROLL_UP,
3186     GADGET_ID_SCROLL_LIST_UP,
3187     "scroll element list up ('Page Up')"
3188   },
3189   {
3190     ED_SCROLLBUTTON_ID_LIST_DOWN,
3191     IMG_EDITOR_PALETTE_SCROLL_DOWN,
3192     GADGET_ID_SCROLL_LIST_DOWN,
3193     "scroll element list down ('Page Down')"
3194   },
3195 };
3196
3197 static struct
3198 {
3199   int x, y;
3200   int width, height;
3201   int wheel_x, wheel_y;
3202   int wheel_width, wheel_height;
3203 } scrollbar_pos[ED_NUM_SCROLLBARS];
3204
3205 static struct
3206 {
3207   int gadget_type_id;
3208   int graphic;
3209   int type;
3210   int gadget_id;
3211   char *infotext;
3212 } scrollbar_info[ED_NUM_SCROLLBARS] =
3213 {
3214   {
3215     ED_SCROLLBAR_ID_AREA_HORIZONTAL,
3216     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
3217     GD_TYPE_SCROLLBAR_HORIZONTAL,
3218     GADGET_ID_SCROLL_HORIZONTAL,
3219     "scroll level editing area horizontally"
3220   },
3221   {
3222     ED_SCROLLBAR_ID_AREA_VERTICAL,
3223     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
3224     GD_TYPE_SCROLLBAR_VERTICAL,
3225     GADGET_ID_SCROLL_VERTICAL,
3226     "scroll level editing area vertically"
3227   },
3228   {
3229     ED_SCROLLBAR_ID_LIST_VERTICAL,
3230     IMG_EDITOR_PALETTE_SCROLLBAR,
3231     GD_TYPE_SCROLLBAR_VERTICAL,
3232     GADGET_ID_SCROLL_LIST_VERTICAL,
3233     "scroll element list vertically"
3234   }
3235 };
3236
3237
3238 static struct
3239 {
3240   int gadget_type_id;
3241   int x, y;
3242   int gadget_id;
3243   int gadget_id_align;
3244   int radio_button_nr;
3245   int *value;
3246   int checked_value;
3247   char *text_left, *text_right, *infotext;
3248 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
3249 {
3250   {
3251     ED_RADIOBUTTON_ID_PERCENTAGE,
3252     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
3253     GADGET_ID_RANDOM_PERCENTAGE,        GADGET_ID_LEVEL_RANDOM_UP,
3254     RADIO_NR_RANDOM_ELEMENTS,
3255     &random_placement_method,           RANDOM_USE_PERCENTAGE,
3256     " ", "percentage",                  "use percentage for random elements"
3257   },
3258   {
3259     ED_RADIOBUTTON_ID_QUANTITY,
3260     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
3261     GADGET_ID_RANDOM_QUANTITY,          GADGET_ID_RANDOM_PERCENTAGE,
3262     RADIO_NR_RANDOM_ELEMENTS,
3263     &random_placement_method,           RANDOM_USE_QUANTITY,
3264     " ", "quantity",                    "use quantity for random elements"
3265   }
3266 };
3267
3268 static struct
3269 {
3270   int gadget_type_id;
3271   int x, y;
3272   int gadget_id;
3273   int gadget_id_align;
3274   boolean *value;
3275   char *text_above, *text_left, *text_right, *infotext;
3276 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
3277 {
3278   // ---------- level and editor settings -------------------------------------
3279
3280   {
3281     ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS,
3282     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
3283     GADGET_ID_AUTO_COUNT_GEMS,          GADGET_ID_NONE,
3284     &level.auto_count_gems,
3285     NULL, NULL,
3286     "automatically count gems needed",  "set counter to number of gems"
3287   },
3288   {
3289     ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE,
3290     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(11),
3291     GADGET_ID_RATE_TIME_OVER_SCORE,     GADGET_ID_NONE,
3292     &level.rate_time_over_score,
3293     NULL, NULL,
3294     "rate time/steps used over score",  "sort high scores by playing time/steps"
3295   },
3296   {
3297     ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK,
3298     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(7),
3299     GADGET_ID_USE_LEVELSET_ARTWORK,     GADGET_ID_NONE,
3300     &levelset_use_levelset_artwork,
3301     NULL, NULL,
3302     "use current custom artwork",       "use custom artwork of this level set"
3303   },
3304   {
3305     ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE,
3306     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
3307     GADGET_ID_COPY_LEVEL_TEMPLATE,      GADGET_ID_NONE,
3308     &levelset_copy_level_template,
3309     NULL, NULL,
3310     "copy current level template",      "copy level template of this level set"
3311   },
3312   {
3313     ED_CHECKBUTTON_ID_RANDOM_RESTRICTED,
3314     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
3315     GADGET_ID_RANDOM_RESTRICTED,        GADGET_ID_NONE,
3316     &random_placement_background_restricted,
3317     NULL, NULL,
3318     "restrict random placement to:",    "set random placement restriction"
3319   },
3320   {
3321     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3,
3322     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
3323     GADGET_ID_CUSTOM_USE_TEMPLATE_3,    GADGET_ID_NONE,
3324     &setup.editor.use_template_for_new_levels,
3325     "Template for new levels and CE/GE:", NULL,
3326     "use template for new levels",      "use template for level properties"
3327   },
3328   {
3329     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2,
3330     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
3331     GADGET_ID_CUSTOM_USE_TEMPLATE_2,    GADGET_ID_NONE,
3332     &level.use_custom_template,
3333     NULL, NULL,
3334     "use template for custom elements", "use template for custom properties"
3335   },
3336   {
3337     ED_CHECKBUTTON_ID_BD_INTERMISSION,
3338     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
3339     GADGET_ID_BD_INTERMISSION,          GADGET_ID_NONE,
3340     &level.bd_intermission,
3341     "Boulder Dash game engine settings:", NULL,
3342     "intermission",                     "level is an intermission level"
3343   },
3344   {
3345     ED_CHECKBUTTON_ID_BD_PAL_TIMING,
3346     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
3347     GADGET_ID_BD_PAL_TIMING,            GADGET_ID_NONE,
3348     &level.bd_pal_timing,
3349     NULL, NULL,
3350     "PAL timing",                       "use slower timer (like PAL C64)"
3351   },
3352   {
3353     ED_CHECKBUTTON_ID_BD_LINE_SHIFTING_BORDERS,
3354     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
3355     GADGET_ID_BD_LINE_SHIFTING_BORDERS, GADGET_ID_NONE,
3356     &level.bd_line_shifting_borders,
3357     "Compatibility settings:", NULL,
3358     "line-shifting borders",            "use line-shifting wrap-around"
3359   },
3360   {
3361     ED_CHECKBUTTON_ID_BD_SCAN_FIRST_AND_LAST_ROW,
3362     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(7),
3363     GADGET_ID_BD_SCAN_FIRST_AND_LAST_ROW, GADGET_ID_NONE,
3364     &level.bd_scan_first_and_last_row,
3365     NULL, NULL,
3366     "scan first and last row",          "also process top/bottom border rows"
3367   },
3368   {
3369     ED_CHECKBUTTON_ID_BD_SHORT_EXPLOSIONS,
3370     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
3371     GADGET_ID_BD_SHORT_EXPLOSIONS,      GADGET_ID_NONE,
3372     &level.bd_short_explosions,
3373     NULL, NULL,
3374     "short explosions",                 "use four game cycles for explosions"
3375   },
3376
3377   // ---------- element settings: configure (various elements) ----------------
3378
3379   {
3380     ED_CHECKBUTTON_ID_STICK_ELEMENT,
3381     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3382     GADGET_ID_STICK_ELEMENT,            GADGET_ID_NONE,
3383     &stick_element_properties_window,
3384     NULL, NULL,
3385     "stick this screen to edit content","stick this screen to edit content"
3386   },
3387   {
3388     ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS,
3389     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3390     GADGET_ID_EM_SLIPPERY_GEMS,         GADGET_ID_NONE,
3391     &level.em_slippery_gems,
3392     NULL, NULL,
3393     "slip down from certain flat walls","use EM/DC style slipping behaviour"
3394   },
3395   {
3396     ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE,
3397     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3398     GADGET_ID_EM_EXPLODES_BY_FIRE,      GADGET_ID_NONE,
3399     &level.em_explodes_by_fire,
3400     NULL, NULL,
3401     "explodes with chain reaction",     "use R'n'D style explosion behaviour"
3402   },
3403   {
3404     ED_CHECKBUTTON_ID_USE_SPRING_BUG,
3405     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3406     GADGET_ID_USE_SPRING_BUG,           GADGET_ID_NONE,
3407     &level.use_spring_bug,
3408     NULL, NULL,
3409     "use spring pushing bug",           "use odd spring pushing behaviour"
3410   },
3411   {
3412     ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG,
3413     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3414     GADGET_ID_USE_TIME_ORB_BUG,         GADGET_ID_NONE,
3415     &level.use_time_orb_bug,
3416     NULL, NULL,
3417     "use time orb bug",                 "use odd time orb behaviour"
3418   },
3419   {
3420     ED_CHECKBUTTON_ID_USE_LIFE_BUGS,
3421     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3422     GADGET_ID_USE_LIFE_BUGS,            GADGET_ID_NONE,
3423     &level.use_life_bugs,
3424     NULL, NULL,
3425     "use buggy element behaviour",      "use odd (historic) element behaviour"
3426   },
3427   {
3428     ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT,
3429     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3430     GADGET_ID_RANDOM_BALL_CONTENT,      GADGET_ID_NONE,
3431     &level.ball_random,
3432     NULL, NULL,
3433     "create single random element",     "only create one element from content"
3434   },
3435   {
3436     ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE,
3437     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3438     GADGET_ID_INITIAL_BALL_ACTIVE,      GADGET_ID_NONE,
3439     &level.ball_active_initial,
3440     NULL, NULL,
3441     "magic ball initially activated",   "activate magic ball after level start"
3442   },
3443   {
3444     ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE,
3445     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3446     GADGET_ID_GROW_INTO_DIGGABLE,       GADGET_ID_NONE,
3447     &level.grow_into_diggable,
3448     NULL, NULL,
3449     "can grow into anything diggable",  "grow into more than just sand"
3450   },
3451   {
3452     ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED,
3453     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3454     GADGET_ID_SB_FIELDS_NEEDED,         GADGET_ID_NONE,
3455     &level.sb_fields_needed,
3456     NULL, NULL,
3457     "all fields need to be filled",     "require all SB fields to be solved"
3458   },
3459   {
3460     ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED,
3461     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3462     GADGET_ID_SB_OBJECTS_NEEDED,        GADGET_ID_NONE,
3463     &level.sb_objects_needed,
3464     NULL, NULL,
3465     "all objects need to be placed",    "require all SB objects to be solved"
3466   },
3467   {
3468     ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN,
3469     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3470     GADGET_ID_AUTO_EXIT_SOKOBAN,        GADGET_ID_NONE,
3471     &level.auto_exit_sokoban,
3472     NULL, NULL,
3473     "exit level if all tasks solved",   "automatically finish Sokoban levels"
3474   },
3475   {
3476     ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER,
3477     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3478     GADGET_ID_SOLVED_BY_ONE_PLAYER,     GADGET_ID_NONE,
3479     &level.solved_by_one_player,
3480     NULL, NULL,
3481     "only one player must enter exit",  "level solved by first player in exit"
3482   },
3483   {
3484     ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT,
3485     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3486     GADGET_ID_FINISH_DIG_COLLECT,       GADGET_ID_NONE,
3487     &level.finish_dig_collect,
3488     NULL, NULL,
3489     "CE action on finished dig/collect", "only finished dig/collect triggers CE"
3490   },
3491   {
3492     ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE,
3493     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3494     GADGET_ID_KEEP_WALKABLE_CE,         GADGET_ID_NONE,
3495     &level.keep_walkable_ce,
3496     NULL, NULL,
3497     "keep walkable CE changed to player", "keep CE changing to player if walkable"
3498   },
3499   {
3500     ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING,
3501     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3502     GADGET_ID_CONTINUOUS_SNAPPING,      GADGET_ID_NONE,
3503     &level.continuous_snapping,
3504     NULL, NULL,
3505     "continuous snapping",              "use snapping without releasing key"
3506   },
3507   {
3508     ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD,
3509     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3510     GADGET_ID_BLOCK_SNAP_FIELD,         GADGET_ID_NONE,
3511     &level.block_snap_field,
3512     NULL, NULL,
3513     "block snapped field when snapping", "use snapping delay to show animation"
3514   },
3515   {
3516     ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD,
3517     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3518     GADGET_ID_BLOCK_LAST_FIELD,         GADGET_ID_NONE,
3519     &level.block_last_field,
3520     NULL, NULL,
3521     "block last field when moving",     "player blocks last field when moving"
3522   },
3523   {
3524     ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD,
3525     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3526     GADGET_ID_SP_BLOCK_LAST_FIELD,      GADGET_ID_NONE,
3527     &level.sp_block_last_field,
3528     NULL, NULL,
3529     "block last field when moving",     "player blocks last field when moving"
3530   },
3531   {
3532     ED_CHECKBUTTON_ID_INSTANT_RELOCATION,
3533     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3534     GADGET_ID_INSTANT_RELOCATION,       GADGET_ID_NONE,
3535     &level.instant_relocation,
3536     NULL, NULL,
3537     "no scrolling when relocating",     "player gets relocated without delay"
3538   },
3539   {
3540     ED_CHECKBUTTON_ID_SHIFTED_RELOCATION,
3541     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3542     GADGET_ID_SHIFTED_RELOCATION,       GADGET_ID_NONE,
3543     &level.shifted_relocation,
3544     NULL, NULL,
3545     "no centering when relocating",     "level not centered after relocation"
3546   },
3547   {
3548     ED_CHECKBUTTON_ID_LAZY_RELOCATION,
3549     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3550     GADGET_ID_LAZY_RELOCATION,          GADGET_ID_NONE,
3551     &level.lazy_relocation,
3552     NULL, NULL,
3553     "only redraw off-screen relocation","no redraw if relocation target visible"
3554   },
3555   {
3556     ED_CHECKBUTTON_ID_USE_START_ELEMENT,
3557     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3558     GADGET_ID_USE_START_ELEMENT,        GADGET_ID_NONE,
3559     &level.use_start_element[0],
3560     NULL, NULL,
3561     "use level start element:",        "start level at this element's position"
3562   },
3563   {
3564     ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT,
3565     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3566     GADGET_ID_USE_ARTWORK_ELEMENT,      GADGET_ID_NONE,
3567     &level.use_artwork_element[0],
3568     NULL, NULL,
3569     "use artwork from element:",        "use player artwork from other element"
3570   },
3571   {
3572     ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT,
3573     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
3574     GADGET_ID_USE_EXPLOSION_ELEMENT,    GADGET_ID_NONE,
3575     &level.use_explosion_element[0],
3576     NULL, NULL,
3577     "use explosion from element:",      "use explosion properties from element"
3578   },
3579   {
3580     ED_CHECKBUTTON_ID_INITIAL_GRAVITY,
3581     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3582     GADGET_ID_INITIAL_GRAVITY,          GADGET_ID_NONE,
3583     &level.initial_player_gravity[0],
3584     NULL, NULL,
3585     "use initial gravity",              "set initial player gravity"
3586   },
3587   {
3588     ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY,
3589     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3590     GADGET_ID_USE_INITIAL_INVENTORY,    GADGET_ID_NONE,
3591     &level.use_initial_inventory[0],
3592     NULL, NULL,
3593     "use initial inventory:",           "use collected elements on level start"
3594   },
3595   {
3596     ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE,
3597     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
3598     GADGET_ID_CAN_PASS_TO_WALKABLE,     GADGET_ID_NONE,
3599     &level.can_pass_to_walkable,
3600     NULL, NULL,
3601     "can pass to walkable element",     "player can pass to empty or walkable"
3602   },
3603   {
3604     ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID,
3605     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3606     GADGET_ID_CAN_FALL_INTO_ACID,       GADGET_ID_NONE,
3607     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3608     NULL, NULL,
3609     "can fall into acid (with gravity)","player can fall into acid pool"
3610   },
3611   {
3612     ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID,
3613     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3614     GADGET_ID_CAN_MOVE_INTO_ACID,       GADGET_ID_NONE,
3615     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3616     NULL, NULL,
3617     "can move into acid",               "element can move into acid pool"
3618   },
3619   {
3620     ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH,
3621     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3622     GADGET_ID_DONT_COLLIDE_WITH,        GADGET_ID_NONE,
3623     &custom_element_properties[EP_DONT_COLLIDE_WITH],
3624     NULL, NULL,
3625     "deadly when colliding with",       "element is deadly when hitting player"
3626   },
3627   {
3628     ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS,
3629     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3630     GADGET_ID_BD_DIAGONAL_MOVEMENTS,    GADGET_ID_NONE,
3631     &level.bd_diagonal_movements,
3632     NULL, NULL,
3633     "can move diagonally",              "player can move diagonally"
3634   },
3635   {
3636     ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP,
3637     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3638     GADGET_ID_ENVELOPE_AUTOWRAP,        GADGET_ID_NONE,
3639     &level.envelope[0].autowrap,
3640     NULL, NULL,
3641     "auto-wrap",                        "automatically wrap envelope text"
3642   },
3643   {
3644     ED_CHECKBUTTON_ID_ENVELOPE_CENTERED,
3645     -1,                                 ED_ELEMENT_SETTINGS_YPOS(1),
3646     GADGET_ID_ENVELOPE_CENTERED,        GADGET_ID_ENVELOPE_AUTOWRAP,
3647     &level.envelope[0].centered,
3648     NULL, " ",
3649     "centered",                         "automatically center envelope text"
3650   },
3651   {
3652     ED_CHECKBUTTON_ID_MM_LASER_RED,
3653     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3654     GADGET_ID_MM_LASER_RED,             GADGET_ID_NONE,
3655     &level.mm_laser_red,
3656     "choose color components for laser:", NULL,
3657     "red",                              "use red color components in laser"
3658   },
3659   {
3660     ED_CHECKBUTTON_ID_MM_LASER_GREEN,
3661     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3662     GADGET_ID_MM_LASER_GREEN,           GADGET_ID_NONE,
3663     &level.mm_laser_green,
3664     NULL, NULL,
3665     "green",                            "use green color components in laser"
3666   },
3667   {
3668     ED_CHECKBUTTON_ID_MM_LASER_BLUE,
3669     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3670     GADGET_ID_MM_LASER_BLUE,            GADGET_ID_NONE,
3671     &level.mm_laser_blue,
3672     NULL, NULL,
3673     "blue",                             "use blue color components in laser"
3674   },
3675   {
3676     ED_CHECKBUTTON_ID_DF_LASER_RED,
3677     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3678     GADGET_ID_DF_LASER_RED,             GADGET_ID_NONE,
3679     &level.df_laser_red,
3680     "choose color components for laser:", NULL,
3681     "red",                              "use red color components in laser"
3682   },
3683   {
3684     ED_CHECKBUTTON_ID_DF_LASER_GREEN,
3685     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3686     GADGET_ID_DF_LASER_GREEN,           GADGET_ID_NONE,
3687     &level.df_laser_green,
3688     NULL, NULL,
3689     "green",                            "use green color components in laser"
3690   },
3691   {
3692     ED_CHECKBUTTON_ID_DF_LASER_BLUE,
3693     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3694     GADGET_ID_DF_LASER_BLUE,            GADGET_ID_NONE,
3695     &level.df_laser_blue,
3696     NULL, NULL,
3697     "blue",                             "use blue color components in laser"
3698   },
3699   {
3700     ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT,
3701     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3702     GADGET_ID_ROTATE_MM_BALL_CONTENT,   GADGET_ID_NONE,
3703     &level.rotate_mm_ball_content,
3704     NULL, NULL,
3705     "randomly rotate created content",  "randomly rotate newly created content"
3706   },
3707   {
3708     ED_CHECKBUTTON_ID_EXPLODE_MM_BALL,
3709     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
3710     GADGET_ID_EXPLODE_MM_BALL,          GADGET_ID_NONE,
3711     &level.explode_mm_ball,
3712     NULL, NULL,
3713     "explode ball instead of melting",  "use explosion to release ball content"
3714   },
3715
3716   // ---------- element settings: configure 1 (custom elements) ---------------
3717
3718   {
3719     ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC,
3720     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3721     GADGET_ID_CUSTOM_USE_GRAPHIC,       GADGET_ID_NONE,
3722     &custom_element.use_gfx_element,
3723     NULL, NULL,
3724     "use graphic of element:",          "use existing element graphic"
3725   },
3726   {
3727     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1,
3728     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3729     GADGET_ID_CUSTOM_USE_TEMPLATE_1,    GADGET_ID_NONE,
3730     &level.use_custom_template,
3731     NULL, NULL,
3732     "use template",                     "use template for custom properties"
3733   },
3734   {
3735     ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE,
3736     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3737     GADGET_ID_CUSTOM_ACCESSIBLE,        GADGET_ID_NONE,
3738     &custom_element_properties[EP_ACCESSIBLE],
3739     NULL, NULL,
3740     NULL,                               "player can walk to or pass this field"
3741   },
3742   {
3743     ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE,
3744     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3745     GADGET_ID_CUSTOM_GRAV_REACHABLE,    GADGET_ID_NONE,
3746     &custom_element_properties[EP_GRAVITY_REACHABLE],
3747     NULL, NULL,
3748     "reachable despite gravity",        "player can walk/dig despite gravity"
3749   },
3750   {
3751     ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE,
3752     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3753     GADGET_ID_CUSTOM_USE_LAST_VALUE,    GADGET_ID_NONE,
3754     &custom_element.use_last_ce_value,
3755     NULL, NULL,
3756     "use last CE value after change",   "use last CE value after change"
3757   },
3758   {
3759     ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT,
3760     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3761     GADGET_ID_CUSTOM_WALK_TO_OBJECT,    GADGET_ID_NONE,
3762     &custom_element_properties[EP_WALK_TO_OBJECT],
3763     NULL, NULL,
3764     NULL,                               "player can dig/collect/push element"
3765   },
3766   {
3767     ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE,
3768     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3769     GADGET_ID_CUSTOM_INDESTRUCTIBLE,    GADGET_ID_NONE,
3770     &custom_element_properties[EP_INDESTRUCTIBLE],
3771     NULL, NULL,
3772     "indestructible",                   "element is indestructible"
3773   },
3774
3775   // ---------- element settings: configure 2 (custom elements) ---------------
3776
3777   {
3778     ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE,
3779     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3780     GADGET_ID_CUSTOM_CAN_MOVE,          GADGET_ID_NONE,
3781     &custom_element_properties[EP_CAN_MOVE],
3782     NULL, NULL,
3783     NULL,                               "element can move with some pattern"
3784   },
3785   {
3786     ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL,
3787     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3788     GADGET_ID_CUSTOM_CAN_FALL,          GADGET_ID_NONE,
3789     &custom_element_properties[EP_CAN_FALL],
3790     NULL, NULL,
3791     "can fall",                         "element can fall down"
3792   },
3793   {
3794     ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH,
3795     -1,                                 ED_ELEMENT_SETTINGS_YPOS(8),
3796     GADGET_ID_CUSTOM_CAN_SMASH,         GADGET_ID_CUSTOM_CAN_FALL,
3797     &custom_element_properties[EP_CAN_SMASH],
3798     NULL, " ",
3799     NULL,                               "element can smash other elements"
3800   },
3801   {
3802     ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY,
3803     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3804     GADGET_ID_CUSTOM_SLIPPERY,          GADGET_ID_NONE,
3805     &custom_element_properties[EP_SLIPPERY],
3806     NULL, NULL,
3807     NULL,                               "other elements can fall down from it"
3808   },
3809   {
3810     ED_CHECKBUTTON_ID_CUSTOM_DEADLY,
3811     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3812     GADGET_ID_CUSTOM_DEADLY,            GADGET_ID_NONE,
3813     &custom_element_properties[EP_DEADLY],
3814     NULL, NULL,
3815     NULL,                               "element can kill the player"
3816   },
3817   {
3818     ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE,
3819     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3820     GADGET_ID_CUSTOM_CAN_EXPLODE,       GADGET_ID_NONE,
3821     &custom_element_properties[EP_CAN_EXPLODE],
3822     NULL, NULL,
3823     NULL,                               "element can explode"
3824   },
3825   {
3826     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE,
3827     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(12),
3828     GADGET_ID_CUSTOM_EXPLODE_FIRE,      GADGET_ID_NONE,
3829     &custom_element_properties[EP_EXPLODES_BY_FIRE],
3830     NULL, NULL,
3831     "by fire",                          "element can explode by fire/explosion"
3832   },
3833   {
3834     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH,
3835     -1,                                 ED_ELEMENT_SETTINGS_YPOS(12),
3836     GADGET_ID_CUSTOM_EXPLODE_SMASH,     GADGET_ID_CUSTOM_EXPLODE_FIRE,
3837     &custom_element_properties[EP_EXPLODES_SMASHED],
3838     NULL, " ",
3839     "smashed",                          "element can explode when smashed"
3840   },
3841   {
3842     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT,
3843     -1,                                 ED_ELEMENT_SETTINGS_YPOS(12),
3844     GADGET_ID_CUSTOM_EXPLODE_IMPACT,    GADGET_ID_CUSTOM_EXPLODE_SMASH,
3845     &custom_element_properties[EP_EXPLODES_IMPACT],
3846     NULL, " ",
3847     "impact",                           "element can explode on impact"
3848   },
3849
3850   // ---------- element settings: advanced (custom elements) ------------------
3851
3852   {
3853     ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE,
3854     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3855     GADGET_ID_CUSTOM_CAN_CHANGE,        GADGET_ID_NONE,
3856     &custom_element_change.can_change,
3857     NULL, NULL,
3858     "element changes to:",              "change element on specified condition"
3859   },
3860   {
3861     ED_CHECKBUTTON_ID_CHANGE_DELAY,
3862     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
3863     GADGET_ID_CHANGE_DELAY,             GADGET_ID_NONE,
3864     &custom_element_change_events[CE_DELAY],
3865     NULL, NULL,
3866     NULL,                               "element changes after delay"
3867   },
3868   {
3869     ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT,
3870     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
3871     GADGET_ID_CHANGE_BY_DIRECT_ACT,     GADGET_ID_NONE,
3872     &custom_element_change_events[CE_BY_DIRECT_ACTION],
3873     NULL, NULL,
3874     NULL,                               "element changes by direct action"
3875   },
3876   {
3877     ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT,
3878     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
3879     GADGET_ID_CHANGE_BY_OTHER_ACT,      GADGET_ID_NONE,
3880     &custom_element_change_events[CE_BY_OTHER_ACTION],
3881     NULL, NULL,
3882     NULL,                               "element changes by other element"
3883   },
3884   {
3885     ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION,
3886     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
3887     GADGET_ID_CHANGE_USE_EXPLOSION,     GADGET_ID_NONE,
3888     &custom_element_change.explode,
3889     NULL, NULL,
3890     "explode instead of change",        "element explodes instead of change"
3891   },
3892   {
3893     ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT,
3894     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
3895     GADGET_ID_CHANGE_USE_CONTENT,       GADGET_ID_NONE,
3896     &custom_element_change.use_target_content,
3897     NULL, NULL,
3898     "use extended change target:",      "element changes to more elements"
3899   },
3900   {
3901     ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE,
3902     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(11),
3903     GADGET_ID_CHANGE_ONLY_COMPLETE,     GADGET_ID_NONE,
3904     &custom_element_change.only_if_complete,
3905     NULL, NULL,
3906     "replace all or nothing",           "only replace when all can be changed"
3907   },
3908   {
3909     ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM,
3910     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(12),
3911     GADGET_ID_CHANGE_USE_RANDOM,        GADGET_ID_NONE,
3912     &custom_element_change.use_random_replace,
3913     NULL, NULL,
3914     NULL,                               "use percentage for random replace"
3915   },
3916   {
3917     ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION,
3918     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3919     GADGET_ID_CHANGE_HAS_ACTION,        GADGET_ID_NONE,
3920     &custom_element_change.has_action,
3921     NULL, NULL,
3922     NULL,                               "execute action on specified condition"
3923   },
3924 };
3925
3926 static struct
3927 {
3928   int gadget_type_id;
3929   int x, y;
3930   int xoffset, yoffset;
3931   int gadget_id;
3932   int gadget_id_align;
3933   int *value;
3934   int area_xsize, area_ysize;
3935   char *text_left, *text_right, *text_above, *text_below, *infotext;
3936 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
3937 {
3938   // ---------- level playfield content ---------------------------------------
3939
3940   {
3941     ED_DRAWING_ID_DRAWING_LEVEL,
3942     0,                                  0,
3943     0,                                  0,
3944     GADGET_ID_DRAWING_LEVEL,            GADGET_ID_NONE,
3945     NULL,
3946     -1, -1,     // these values are not constant, but can change at runtime
3947     NULL, NULL, NULL, NULL,             NULL
3948   },
3949
3950   // ---------- yam yam content -----------------------------------------------
3951
3952   {
3953     ED_DRAWING_ID_YAMYAM_CONTENT_0,
3954     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3955     ED_AREA_YAMYAM_CONTENT_XOFF(0),     ED_AREA_YAMYAM_CONTENT_YOFF(0),
3956     GADGET_ID_YAMYAM_CONTENT_0,         GADGET_ID_NONE,
3957     &level.yamyam_content[0].e[0][0],   3, 3,
3958     NULL, NULL, NULL, "1",              NULL
3959   },
3960   {
3961     ED_DRAWING_ID_YAMYAM_CONTENT_1,
3962     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3963     ED_AREA_YAMYAM_CONTENT_XOFF(1),     ED_AREA_YAMYAM_CONTENT_YOFF(1),
3964     GADGET_ID_YAMYAM_CONTENT_1,         GADGET_ID_NONE,
3965     &level.yamyam_content[1].e[0][0],   3, 3,
3966     NULL, NULL, NULL, "2",              NULL
3967   },
3968   {
3969     ED_DRAWING_ID_YAMYAM_CONTENT_2,
3970     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3971     ED_AREA_YAMYAM_CONTENT_XOFF(2),     ED_AREA_YAMYAM_CONTENT_YOFF(2),
3972     GADGET_ID_YAMYAM_CONTENT_2,         GADGET_ID_NONE,
3973     &level.yamyam_content[2].e[0][0],   3, 3,
3974     NULL, NULL, NULL, "3",              NULL
3975   },
3976   {
3977     ED_DRAWING_ID_YAMYAM_CONTENT_3,
3978     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3979     ED_AREA_YAMYAM_CONTENT_XOFF(3),     ED_AREA_YAMYAM_CONTENT_YOFF(3),
3980     GADGET_ID_YAMYAM_CONTENT_3,         GADGET_ID_NONE,
3981     &level.yamyam_content[3].e[0][0],   3, 3,
3982     NULL, NULL, NULL, "4",              NULL
3983   },
3984   {
3985     ED_DRAWING_ID_YAMYAM_CONTENT_4,
3986     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3987     ED_AREA_YAMYAM_CONTENT_XOFF(4),     ED_AREA_YAMYAM_CONTENT_YOFF(4),
3988     GADGET_ID_YAMYAM_CONTENT_4,         GADGET_ID_NONE,
3989     &level.yamyam_content[4].e[0][0],   3, 3,
3990     NULL, NULL, NULL, "5",              NULL
3991   },
3992   {
3993     ED_DRAWING_ID_YAMYAM_CONTENT_5,
3994     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3995     ED_AREA_YAMYAM_CONTENT_XOFF(5),     ED_AREA_YAMYAM_CONTENT_YOFF(5),
3996     GADGET_ID_YAMYAM_CONTENT_5,         GADGET_ID_NONE,
3997     &level.yamyam_content[5].e[0][0],   3, 3,
3998     NULL, NULL, NULL, "6",              NULL
3999   },
4000   {
4001     ED_DRAWING_ID_YAMYAM_CONTENT_6,
4002     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4003     ED_AREA_YAMYAM_CONTENT_XOFF(6),     ED_AREA_YAMYAM_CONTENT_YOFF(6),
4004     GADGET_ID_YAMYAM_CONTENT_6,         GADGET_ID_NONE,
4005     &level.yamyam_content[6].e[0][0],   3, 3,
4006     NULL, NULL, NULL, "7",              NULL
4007   },
4008   {
4009     ED_DRAWING_ID_YAMYAM_CONTENT_7,
4010     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4011     ED_AREA_YAMYAM_CONTENT_XOFF(7),     ED_AREA_YAMYAM_CONTENT_YOFF(7),
4012     GADGET_ID_YAMYAM_CONTENT_7,         GADGET_ID_NONE,
4013     &level.yamyam_content[7].e[0][0],   3, 3,
4014     NULL, NULL, NULL, "8",              NULL
4015   },
4016
4017   // ---------- magic ball content --------------------------------------------
4018
4019   {
4020     ED_DRAWING_ID_MAGIC_BALL_CONTENT_0,
4021     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4022     ED_AREA_MAGIC_BALL_CONTENT_XOFF(0), ED_AREA_MAGIC_BALL_CONTENT_YOFF(0),
4023     GADGET_ID_MAGIC_BALL_CONTENT_0,     GADGET_ID_NONE,
4024     &level.ball_content[0].e[0][0],     3, 3,
4025     NULL, NULL, NULL, "1",              NULL
4026   },
4027   {
4028     ED_DRAWING_ID_MAGIC_BALL_CONTENT_1,
4029     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4030     ED_AREA_MAGIC_BALL_CONTENT_XOFF(1), ED_AREA_MAGIC_BALL_CONTENT_YOFF(1),
4031     GADGET_ID_MAGIC_BALL_CONTENT_1,     GADGET_ID_NONE,
4032     &level.ball_content[1].e[0][0],     3, 3,
4033     NULL, NULL, NULL, "2",              NULL
4034   },
4035   {
4036     ED_DRAWING_ID_MAGIC_BALL_CONTENT_2,
4037     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4038     ED_AREA_MAGIC_BALL_CONTENT_XOFF(2), ED_AREA_MAGIC_BALL_CONTENT_YOFF(2),
4039     GADGET_ID_MAGIC_BALL_CONTENT_2,     GADGET_ID_NONE,
4040     &level.ball_content[2].e[0][0],     3, 3,
4041     NULL, NULL, NULL, "3",              NULL
4042   },
4043   {
4044     ED_DRAWING_ID_MAGIC_BALL_CONTENT_3,
4045     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4046     ED_AREA_MAGIC_BALL_CONTENT_XOFF(3), ED_AREA_MAGIC_BALL_CONTENT_YOFF(3),
4047     GADGET_ID_MAGIC_BALL_CONTENT_3,     GADGET_ID_NONE,
4048     &level.ball_content[3].e[0][0],     3, 3,
4049     NULL, NULL, NULL, "4",              NULL
4050   },
4051   {
4052     ED_DRAWING_ID_MAGIC_BALL_CONTENT_4,
4053     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4054     ED_AREA_MAGIC_BALL_CONTENT_XOFF(4), ED_AREA_MAGIC_BALL_CONTENT_YOFF(4),
4055     GADGET_ID_MAGIC_BALL_CONTENT_4,     GADGET_ID_NONE,
4056     &level.ball_content[4].e[0][0],     3, 3,
4057     NULL, NULL, NULL, "5",              NULL
4058   },
4059   {
4060     ED_DRAWING_ID_MAGIC_BALL_CONTENT_5,
4061     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4062     ED_AREA_MAGIC_BALL_CONTENT_XOFF(5), ED_AREA_MAGIC_BALL_CONTENT_YOFF(5),
4063     GADGET_ID_MAGIC_BALL_CONTENT_5,     GADGET_ID_NONE,
4064     &level.ball_content[5].e[0][0],     3, 3,
4065     NULL, NULL, NULL, "6",              NULL
4066   },
4067   {
4068     ED_DRAWING_ID_MAGIC_BALL_CONTENT_6,
4069     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4070     ED_AREA_MAGIC_BALL_CONTENT_XOFF(6), ED_AREA_MAGIC_BALL_CONTENT_YOFF(6),
4071     GADGET_ID_MAGIC_BALL_CONTENT_6,     GADGET_ID_NONE,
4072     &level.ball_content[6].e[0][0],     3, 3,
4073     NULL, NULL, NULL, "7",              NULL
4074   },
4075   {
4076     ED_DRAWING_ID_MAGIC_BALL_CONTENT_7,
4077     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4078     ED_AREA_MAGIC_BALL_CONTENT_XOFF(7), ED_AREA_MAGIC_BALL_CONTENT_YOFF(7),
4079     GADGET_ID_MAGIC_BALL_CONTENT_7,     GADGET_ID_NONE,
4080     &level.ball_content[7].e[0][0],     3, 3,
4081     NULL, NULL, NULL, "8",              NULL
4082   },
4083
4084   // ---------- android content -----------------------------------------------
4085
4086   {
4087     ED_DRAWING_ID_ANDROID_CONTENT,
4088     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(6),
4089     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4090     GADGET_ID_ANDROID_CONTENT,          GADGET_ID_NONE,
4091     &level.android_clone_element[0],    MAX_ANDROID_ELEMENTS, 1,
4092     NULL, NULL, "elements:", NULL,      "elements android can clone"
4093   },
4094
4095   // ---------- amoeba content ------------------------------------------------
4096
4097   {
4098     ED_DRAWING_ID_AMOEBA_CONTENT,
4099     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(3),
4100     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4101     GADGET_ID_AMOEBA_CONTENT,           GADGET_ID_NONE,
4102     &level.amoeba_content,              1, 1,
4103     "content:", NULL, NULL, NULL,       "amoeba content"
4104   },
4105
4106   // ---------- level start element -------------------------------------------
4107
4108   {
4109     ED_DRAWING_ID_START_ELEMENT,
4110     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(10),
4111     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4112     GADGET_ID_START_ELEMENT,            GADGET_ID_USE_START_ELEMENT,
4113     &level.start_element[0],            1, 1,
4114     NULL, NULL, NULL, NULL,             "level start element"
4115   },
4116
4117   // ---------- player artwork element ----------------------------------------
4118
4119   {
4120     ED_DRAWING_ID_ARTWORK_ELEMENT,
4121     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(11),
4122     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4123     GADGET_ID_ARTWORK_ELEMENT,          GADGET_ID_USE_ARTWORK_ELEMENT,
4124     &level.artwork_element[0],          1, 1,
4125     NULL, NULL, NULL, NULL,             "element for player artwork"
4126   },
4127
4128   // ---------- player explosion element --------------------------------------
4129
4130   {
4131     ED_DRAWING_ID_EXPLOSION_ELEMENT,
4132     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(12),
4133     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4134     GADGET_ID_EXPLOSION_ELEMENT,        GADGET_ID_USE_EXPLOSION_ELEMENT,
4135     &level.explosion_element[0],        1, 1,
4136     NULL, NULL, NULL, NULL,             "element for player explosion"
4137   },
4138
4139   // ---------- player initial inventory --------------------------------------
4140
4141   {
4142     ED_DRAWING_ID_INVENTORY_CONTENT,
4143     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
4144     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4145     GADGET_ID_INVENTORY_CONTENT,        GADGET_ID_USE_INITIAL_INVENTORY,
4146     &level.initial_inventory_content[0][0], MAX_INITIAL_INVENTORY_SIZE, 1,
4147     NULL, NULL, NULL, NULL,             "content for initial inventory"
4148   },
4149
4150   // ---------- gray ball content -----------------------------------------
4151
4152   {
4153     ED_DRAWING_ID_MM_BALL_CONTENT,
4154     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
4155     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4156     GADGET_ID_MM_BALL_CONTENT,          GADGET_ID_NONE,
4157     &level.mm_ball_content[0],          MAX_MM_BALL_CONTENTS, 1,
4158     "content:", NULL, NULL, NULL,       "content for gray ball"
4159   },
4160
4161   // ---------- element settings: configure 1 (custom elements) ---------------
4162
4163   // ---------- custom graphic ------------------------------------------------
4164
4165   {
4166     ED_DRAWING_ID_CUSTOM_GRAPHIC,
4167     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
4168     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4169     GADGET_ID_CUSTOM_GRAPHIC,           GADGET_ID_CUSTOM_USE_GRAPHIC,
4170     &custom_element.gfx_element_initial, 1, 1,
4171     NULL, NULL, NULL, NULL,             "custom graphic element"
4172   },
4173
4174   // ---------- element settings: configure 2 (custom elements) ---------------
4175
4176   // ---------- custom content (when exploding) -------------------------------
4177
4178   {
4179     ED_DRAWING_ID_CUSTOM_CONTENT,
4180     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(11),
4181     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
4182     GADGET_ID_CUSTOM_CONTENT,           GADGET_ID_NONE, // align three rows
4183     &custom_element.content.e[0][0],    3, 3,
4184     "content:", NULL, NULL, NULL,       NULL
4185   },
4186
4187   // ---------- custom enter and leave element (when moving) ------------------
4188
4189   {
4190     ED_DRAWING_ID_CUSTOM_MOVE_ENTER,
4191     ED_AREA_1X1_SETTINGS_XPOS(1),       ED_AREA_1X1_SETTINGS_YPOS(3),
4192     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4193     GADGET_ID_CUSTOM_MOVE_ENTER,        GADGET_ID_NONE,
4194     &custom_element.move_enter_element, 1, 1,
4195     "can dig:", " ", NULL, NULL,        "element that can be digged/collected"
4196   },
4197   {
4198     ED_DRAWING_ID_CUSTOM_MOVE_LEAVE,
4199     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(3),
4200     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4201     GADGET_ID_CUSTOM_MOVE_LEAVE,        GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
4202     &custom_element.move_leave_element, 1, 1,
4203     NULL, NULL, NULL, NULL,             "element that will be left behind"
4204   },
4205
4206   // ---------- element settings: advanced (custom elements) ------------------
4207
4208   // ---------- custom change target ------------------------------------------
4209
4210   {
4211     ED_DRAWING_ID_CUSTOM_CHANGE_TARGET,
4212     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
4213     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4214     GADGET_ID_CUSTOM_CHANGE_TARGET,     GADGET_ID_CUSTOM_CAN_CHANGE,
4215     &custom_element_change.target_element, 1, 1,
4216     NULL, "after/when:", NULL, NULL,    "new target element after change"
4217   },
4218
4219   // ---------- custom change content (extended change target) ----------------
4220
4221   {
4222     ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT,
4223     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(9),
4224     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
4225     GADGET_ID_CUSTOM_CHANGE_CONTENT,    GADGET_ID_NONE, // align three rows
4226     &custom_element_change.target_content.e[0][0], 3, 3,
4227     NULL, NULL, NULL, NULL,             "new extended elements after change"
4228   },
4229
4230   // ---------- custom change trigger (element causing change) ----------------
4231
4232   {
4233     ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER,
4234     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(5),
4235     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4236     GADGET_ID_CUSTOM_CHANGE_TRIGGER,    GADGET_ID_CHANGE_OTHER_ACTION,
4237     &custom_element_change.initial_trigger_element, 1, 1,
4238     NULL, NULL, NULL, NULL,             "other element triggering change"
4239   },
4240
4241   // ---------- custom change action (element used for action) ----------------
4242
4243   {
4244     ED_DRAWING_ID_CUSTOM_CHANGE_ACTION,
4245     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(13),
4246     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4247     GADGET_ID_CUSTOM_CHANGE_ACTION,     GADGET_ID_ACTION_ARG,
4248     &custom_element_change.action_element, 1, 1,
4249     NULL, NULL, NULL, NULL,             "element used as action parameter"
4250   },
4251
4252   // ---------- group element content -----------------------------------------
4253
4254   {
4255     ED_DRAWING_ID_GROUP_CONTENT,
4256     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
4257     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4258     GADGET_ID_GROUP_CONTENT,            GADGET_ID_NONE,
4259     &group_element_info.element[0],     MAX_ELEMENTS_IN_GROUP, 1,
4260     "content:", NULL, NULL, NULL,       NULL
4261   },
4262
4263   // ---------- random background (for random painting) -----------------------
4264
4265   {
4266     ED_DRAWING_ID_RANDOM_BACKGROUND,
4267     -1,                                 ED_AREA_1X1_LSETTINGS_YPOS(1),
4268     0,                                  ED_AREA_1X1_LSETTINGS_YOFF,
4269     GADGET_ID_RANDOM_BACKGROUND,        GADGET_ID_RANDOM_RESTRICTED,
4270     &random_placement_background_element, 1, 1,
4271     NULL, NULL, NULL, NULL,             "random placement background"
4272   },
4273 };
4274
4275
4276 // ----------------------------------------------------------------------------
4277 // some internally used variables
4278 // ----------------------------------------------------------------------------
4279
4280 // maximal size of level editor drawing area
4281 static int MAX_ED_FIELDX, MAX_ED_FIELDY;
4282
4283 // actual size of level editor drawing area
4284 static int ed_fieldx, ed_fieldy;
4285
4286 // actual position of level editor drawing area in level playfield
4287 static int level_xpos = -1, level_ypos = -1;
4288
4289 // actual tile size used to display playfield drawing area
4290 static int ed_tilesize = DEFAULT_EDITOR_TILESIZE;
4291 static int ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
4292
4293 #define IN_ED_FIELD(x, y)       IN_FIELD(x, y, ed_fieldx, ed_fieldy)
4294
4295 // drawing elements on the three mouse buttons
4296 static int new_element1 = EL_WALL;
4297 static int new_element2 = EL_EMPTY;
4298 static int new_element3 = EL_SAND;
4299
4300 #define IS_VALID_BUTTON(button) (button >= 1 && button <= 3)
4301 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
4302                                 (button) == 2 ? new_element2 : \
4303                                 (button) == 3 ? new_element3 : EL_EMPTY)
4304
4305 #define BUTTON_TILE_SIZE(x)     ((x) >= TILESIZE ? TILESIZE : MINI_TILESIZE)
4306
4307 static int use_permanent_palette = TRUE;
4308
4309 #define PX              (use_permanent_palette ? DX : SX)
4310 #define PY              (use_permanent_palette ? DY : SY)
4311 #define PXSIZE          (use_permanent_palette ? DXSIZE : SXSIZE)
4312 #define PYSIZE          (use_permanent_palette ? DYSIZE : SYSIZE)
4313
4314 // forward declaration for internal use
4315 static void CopyBrushToCursor(int, int);
4316 static void DeleteBrushFromCursor(void);
4317 static void ModifyEditorCounterValue(int, int);
4318 static void ModifyEditorCounterLimits(int, int, int);
4319 static void ModifyEditorSelectboxValue(int, int);
4320 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
4321 static void ModifyEditorDrawingArea(int, int, int);
4322 static void ModifyEditorElementList(void);
4323 static void AdjustElementListScrollbar(void);
4324 static void RedrawDrawingElements(void);
4325 static void DrawDrawingWindowExt(boolean);
4326 static void DrawDrawingWindow(void);
4327 static void DrawLevelConfigWindow(void);
4328 static void DrawPropertiesWindow(void);
4329 static void DrawPaletteWindow(void);
4330 static void UpdateCustomElementGraphicGadgets(void);
4331 static boolean checkPropertiesConfig(int);
4332 static void SetAutomaticNumberOfGemsNeeded(void);
4333 static void ClearEditorGadgetInfoText(void);
4334 static void CopyLevelToUndoBuffer(int);
4335 static void HandleDrawingAreas(struct GadgetInfo *);
4336 static void HandleCounterButtons(struct GadgetInfo *);
4337 static void HandleTextInputGadgets(struct GadgetInfo *);
4338 static void HandleTextAreaGadgets(struct GadgetInfo *);
4339 static void HandleSelectboxGadgets(struct GadgetInfo *);
4340 static void HandleTextbuttonGadgets(struct GadgetInfo *);
4341 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
4342 static void HandleRadiobuttons(struct GadgetInfo *);
4343 static void HandleCheckbuttons(struct GadgetInfo *);
4344 static void HandleControlButtons(struct GadgetInfo *);
4345 static void HandleDrawingAreaInfo(struct GadgetInfo *);
4346 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
4347 static boolean AskToCopyAndModifyLevelTemplate(void);
4348 static boolean getDrawModeHiRes(void);
4349 static int getTabulatorBarWidth(void);
4350 static int getTabulatorBarHeight(void);
4351 static Pixel getTabulatorBarColor(void);
4352 static int numHiresTiles(int);
4353
4354 static int num_editor_gadgets = 0;      // dynamically determined
4355
4356 static struct GadgetInfo **level_editor_gadget = NULL;
4357 static int *right_gadget_border = NULL;
4358
4359 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
4360 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
4361 static boolean draw_with_brush = FALSE;
4362 static int properties_element = 0;
4363
4364 static short TileBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
4365 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
4366 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
4367 static int undo_buffer_position = 0;
4368 static int undo_buffer_steps = 0;
4369 static int redo_buffer_steps = 0;
4370
4371 static int edit_mode;
4372 static int edit_mode_levelconfig;
4373 static int edit_mode_properties;
4374
4375 static int element_shift = 0;
4376
4377 static int editor_el_players[] =
4378 {
4379   EL_PLAYER_1,
4380   EL_PLAYER_2,
4381   EL_PLAYER_3,
4382   EL_PLAYER_4
4383 };
4384 static int *editor_el_players_ptr = editor_el_players;
4385 static int num_editor_el_players = ARRAY_SIZE(editor_el_players);
4386
4387 static int editor_hl_boulderdash[] =
4388 {
4389   EL_INTERNAL_CASCADE_BD_ACTIVE,
4390   EL_CHAR('B'),
4391   EL_CHAR('D'),
4392   EL_EMPTY,
4393 };
4394
4395 static int editor_el_boulderdash[] =
4396 {
4397   EL_EMPTY,
4398   EL_SAND,
4399   EL_BD_ROCK,
4400   EL_BD_DIAMOND,
4401
4402   EL_STEELWALL,
4403   EL_BD_WALL,
4404   EL_BD_EXPANDABLE_WALL,
4405   EL_BD_MAGIC_WALL,
4406
4407   EL_BD_AMOEBA,
4408   EL_BD_BUTTERFLY_UP,
4409   EL_BD_FIREFLY_UP,
4410   EL_EXIT_CLOSED,
4411
4412   EL_BD_BUTTERFLY_LEFT,
4413   EL_BD_FIREFLY_LEFT,
4414   EL_BD_BUTTERFLY_RIGHT,
4415   EL_BD_FIREFLY_RIGHT,
4416
4417   EL_EMPTY,
4418   EL_BD_BUTTERFLY_DOWN,
4419   EL_BD_FIREFLY_DOWN,
4420   EL_EXIT_OPEN,
4421 };
4422 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
4423 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
4424 static int num_editor_hl_boulderdash = ARRAY_SIZE(editor_hl_boulderdash);
4425 static int num_editor_el_boulderdash = ARRAY_SIZE(editor_el_boulderdash);
4426
4427 static int editor_hl_boulderdash_native[] =
4428 {
4429   EL_INTERNAL_CASCADE_BD_NATIVE_ACTIVE,
4430   EL_CHAR('B'),
4431   EL_CHAR('D'),
4432   EL_EMPTY,
4433 };
4434
4435 static int editor_el_boulderdash_native[] =
4436 {
4437   EL_EMPTY,
4438   EL_BD_SAND,
4439   EL_BD_ROCK,
4440   EL_BD_DIAMOND,
4441
4442   EL_BD_STEELWALL,
4443   EL_BD_WALL,
4444   EL_EMPTY,
4445   EL_BD_MAGIC_WALL,
4446
4447   EL_BD_AMOEBA,
4448   EL_BD_BUTTERFLY_UP,
4449   EL_BD_FIREFLY_UP,
4450   EL_BD_EXIT_CLOSED,
4451
4452   EL_BD_BUTTERFLY_LEFT,
4453   EL_BD_FIREFLY_LEFT,
4454   EL_BD_BUTTERFLY_RIGHT,
4455   EL_BD_FIREFLY_RIGHT,
4456
4457   EL_BD_INBOX,
4458   EL_BD_BUTTERFLY_DOWN,
4459   EL_BD_FIREFLY_DOWN,
4460   EL_BD_EXIT_OPEN,
4461
4462   EL_BD_AMOEBA_2,
4463   EL_BD_BUTTERFLY_2_UP,
4464   EL_BD_FIREFLY_2_UP,
4465   EL_EMPTY,
4466
4467   EL_BD_BUTTERFLY_2_LEFT,
4468   EL_BD_FIREFLY_2_LEFT,
4469   EL_BD_BUTTERFLY_2_RIGHT,
4470   EL_BD_FIREFLY_2_RIGHT,
4471
4472   EL_EMPTY,
4473   EL_BD_BUTTERFLY_2_DOWN,
4474   EL_BD_FIREFLY_2_DOWN,
4475   EL_EMPTY,
4476
4477   EL_EMPTY,
4478   EL_BD_DRAGONFLY_UP,
4479   EL_BD_STONEFLY_UP,
4480   EL_EMPTY,
4481
4482   EL_BD_DRAGONFLY_LEFT,
4483   EL_BD_STONEFLY_LEFT,
4484   EL_BD_DRAGONFLY_RIGHT,
4485   EL_BD_STONEFLY_RIGHT,
4486
4487   EL_EMPTY,
4488   EL_BD_DRAGONFLY_DOWN,
4489   EL_BD_STONEFLY_DOWN,
4490   EL_EMPTY,
4491
4492   EL_EMPTY,
4493   EL_BD_BITER_UP,
4494   EL_BD_COW_UP,
4495   EL_EMPTY,
4496
4497   EL_BD_BITER_LEFT,
4498   EL_BD_COW_LEFT,
4499   EL_BD_BITER_RIGHT,
4500   EL_BD_COW_RIGHT,
4501
4502   EL_EMPTY,
4503   EL_BD_BITER_DOWN,
4504   EL_BD_COW_DOWN,
4505   EL_EMPTY,
4506
4507   EL_EMPTY,
4508   EL_BD_SAND,
4509   EL_BD_SAND_BALL,
4510   EL_BD_SAND_LOOSE,
4511
4512   EL_BD_SAND_SLOPED_UP_LEFT,
4513   EL_BD_SAND_SLOPED_UP_RIGHT,
4514   EL_BD_WALL_SLOPED_UP_LEFT,
4515   EL_BD_WALL_SLOPED_UP_RIGHT,
4516
4517   EL_BD_SAND_SLOPED_DOWN_LEFT,
4518   EL_BD_SAND_SLOPED_DOWN_RIGHT,
4519   EL_BD_WALL_SLOPED_DOWN_LEFT,
4520   EL_BD_WALL_SLOPED_DOWN_RIGHT,
4521
4522   EL_BD_FLYING_DIAMOND,
4523   EL_BD_FLYING_ROCK,
4524   EL_BD_STEELWALL_SLOPED_UP_LEFT,
4525   EL_BD_STEELWALL_SLOPED_UP_RIGHT,
4526
4527   EL_BD_NUT,
4528   EL_BD_MEGA_ROCK,
4529   EL_BD_STEELWALL_SLOPED_DOWN_LEFT,
4530   EL_BD_STEELWALL_SLOPED_DOWN_RIGHT,
4531
4532   EL_BD_SAND_2,
4533   EL_BD_WALL_NON_SLOPED,
4534   EL_BD_WALL,
4535   EL_BD_MAGIC_WALL,
4536
4537   EL_BD_EXIT_CLOSED,
4538   EL_BD_EXIT_OPEN,
4539   EL_BD_INVISIBLE_EXIT_CLOSED,
4540   EL_BD_INVISIBLE_EXIT_OPEN,
4541
4542   EL_BD_STEELWALL,
4543   EL_BD_STEELWALL_EXPLODABLE,
4544   EL_BD_STEELWALL_DIGGABLE,
4545   EL_BD_WALL_DIGGABLE,
4546
4547   EL_BD_EXPANDABLE_WALL_HORIZONTAL,
4548   EL_BD_EXPANDABLE_WALL_VERTICAL,
4549   EL_BD_EXPANDABLE_WALL_ANY,
4550   EL_BD_CREATURE_SWITCH,
4551
4552   EL_BD_EXPANDABLE_STEELWALL_HORIZONTAL,
4553   EL_BD_EXPANDABLE_STEELWALL_VERTICAL,
4554   EL_BD_EXPANDABLE_STEELWALL_ANY,
4555   EL_BD_EXPANDABLE_WALL_SWITCH_HORIZONTAL,
4556
4557   EL_BD_BITER_SWITCH_1,
4558   EL_BD_REPLICATOR_SWITCH,
4559   EL_BD_CONVEYOR_SWITCH,
4560   EL_BD_CONVEYOR_DIR_SWITCH_RIGHT,
4561
4562   EL_BD_ACID,
4563   EL_BD_FALLING_WALL,
4564   EL_BD_BOX,
4565   EL_BD_TIME_PENALTY,
4566
4567   EL_BD_GRAVESTONE,
4568   EL_BD_ROCK_GLUED,
4569   EL_BD_DIAMOND_GLUED,
4570   EL_BD_DIAMOND_KEY,
4571
4572   EL_BD_TRAPPED_DIAMOND,
4573   EL_BD_CLOCK,
4574   EL_BD_SAND_GLUED,
4575   EL_BD_WATER,
4576
4577   EL_BD_KEY_1,
4578   EL_BD_KEY_2,
4579   EL_BD_KEY_3,
4580   EL_EMPTY,
4581
4582   EL_BD_WALL_KEY_1,
4583   EL_BD_WALL_KEY_2,
4584   EL_BD_WALL_KEY_3,
4585   EL_BD_WALL_DIAMOND,
4586
4587   EL_BD_GATE_1,
4588   EL_BD_GATE_2,
4589   EL_BD_GATE_3,
4590   EL_BD_POT,
4591
4592   EL_BD_GRAVITY_SWITCH,
4593   EL_BD_PNEUMATIC_HAMMER,
4594   EL_BD_TELEPORTER,
4595   EL_BD_SKELETON,
4596
4597   EL_BD_AMOEBA,
4598   EL_BD_AMOEBA_2,
4599   EL_BD_REPLICATOR,
4600   EL_BD_BLADDER_SPENDER,
4601
4602   EL_BD_CONVEYOR_LEFT,
4603   EL_BD_CONVEYOR_RIGHT,
4604   EL_BD_BOMB,
4605   EL_BD_NITRO_PACK,
4606
4607   EL_BD_LAVA,
4608   EL_BD_SWEET,
4609   EL_BD_VOODOO_DOLL,
4610   EL_BD_SLIME,
4611
4612   EL_BD_BLADDER,
4613   EL_BD_WAITING_ROCK,
4614   EL_BD_CHASING_ROCK,
4615   EL_BD_GHOST,
4616
4617   EL_BD_PLAYER,
4618   EL_BD_PLAYER_WITH_BOMB,
4619   EL_BD_PLAYER_GLUED,
4620   EL_BD_PLAYER_STIRRING,
4621 };
4622 static int *editor_hl_boulderdash_native_ptr = editor_hl_boulderdash_native;
4623 static int *editor_el_boulderdash_native_ptr = editor_el_boulderdash_native;
4624 static int num_editor_hl_boulderdash_native = ARRAY_SIZE(editor_hl_boulderdash_native);
4625 static int num_editor_el_boulderdash_native = ARRAY_SIZE(editor_el_boulderdash_native);
4626
4627 static int editor_hl_emerald_mine[] =
4628 {
4629   EL_INTERNAL_CASCADE_EM_ACTIVE,
4630   EL_CHAR('E'),
4631   EL_CHAR('M'),
4632   EL_EMPTY,
4633 };
4634
4635 static int editor_el_emerald_mine[] =
4636 {
4637   EL_SAND,
4638   EL_ROCK,
4639   EL_QUICKSAND_EMPTY,
4640   EL_QUICKSAND_FULL,
4641
4642   EL_STEELWALL,
4643   EL_WALL,
4644   EL_WALL_SLIPPERY,
4645   EL_MAGIC_WALL,
4646
4647   EL_EMERALD,
4648   EL_DIAMOND,
4649   EL_NUT,
4650   EL_BOMB,
4651
4652   EL_EM_DYNAMITE,
4653   EL_EM_DYNAMITE_ACTIVE,
4654   EL_EM_EXIT_CLOSED,
4655   EL_EM_EXIT_OPEN,
4656
4657   EL_YAMYAM_UP,
4658   EL_BUG_UP,
4659   EL_SPACESHIP_UP,
4660   EL_ROBOT,
4661
4662   EL_BUG_LEFT,
4663   EL_SPACESHIP_LEFT,
4664   EL_BUG_RIGHT,
4665   EL_SPACESHIP_RIGHT,
4666
4667   EL_ROBOT_WHEEL,
4668   EL_BUG_DOWN,
4669   EL_SPACESHIP_DOWN,
4670   EL_INVISIBLE_WALL,
4671
4672   EL_ACID_POOL_TOPLEFT,
4673   EL_ACID,
4674   EL_ACID_POOL_TOPRIGHT,
4675   EL_AMOEBA_DROP,
4676
4677   EL_ACID_POOL_BOTTOMLEFT,
4678   EL_ACID_POOL_BOTTOM,
4679   EL_ACID_POOL_BOTTOMRIGHT,
4680   EL_AMOEBA_WET,
4681
4682   EL_EM_KEY_1,
4683   EL_EM_KEY_2,
4684   EL_EM_KEY_3,
4685   EL_EM_KEY_4,
4686
4687   EL_EM_GATE_1,
4688   EL_EM_GATE_2,
4689   EL_EM_GATE_3,
4690   EL_EM_GATE_4,
4691
4692   EL_EM_GATE_1_GRAY,
4693   EL_EM_GATE_2_GRAY,
4694   EL_EM_GATE_3_GRAY,
4695   EL_EM_GATE_4_GRAY,
4696 };
4697 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
4698 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
4699 static int num_editor_hl_emerald_mine = ARRAY_SIZE(editor_hl_emerald_mine);
4700 static int num_editor_el_emerald_mine = ARRAY_SIZE(editor_el_emerald_mine);
4701
4702 static int editor_hl_emerald_mine_club[] =
4703 {
4704   EL_INTERNAL_CASCADE_EMC_ACTIVE,
4705   EL_CHAR('E'),
4706   EL_CHAR('M'),
4707   EL_CHAR('C'),
4708 };
4709
4710 static int editor_el_emerald_mine_club[] =
4711 {
4712   EL_EMC_KEY_5,
4713   EL_EMC_KEY_6,
4714   EL_EMC_KEY_7,
4715   EL_EMC_KEY_8,
4716
4717   EL_EMC_GATE_5,
4718   EL_EMC_GATE_6,
4719   EL_EMC_GATE_7,
4720   EL_EMC_GATE_8,
4721
4722   EL_EMC_GATE_5_GRAY,
4723   EL_EMC_GATE_6_GRAY,
4724   EL_EMC_GATE_7_GRAY,
4725   EL_EMC_GATE_8_GRAY,
4726
4727   EL_EMC_STEELWALL_1,
4728   EL_EMC_STEELWALL_2,
4729   EL_EMC_STEELWALL_3,
4730   EL_EMC_STEELWALL_4,
4731
4732   EL_EMC_WALL_13,
4733   EL_EMC_WALL_14,
4734   EL_EMC_WALL_15,
4735   EL_EMC_WALL_16,
4736
4737   EL_EMC_WALL_SLIPPERY_1,
4738   EL_EMC_WALL_SLIPPERY_2,
4739   EL_EMC_WALL_SLIPPERY_3,
4740   EL_EMC_WALL_SLIPPERY_4,
4741
4742   EL_EMC_WALL_1,
4743   EL_EMC_WALL_2,
4744   EL_EMC_WALL_3,
4745   EL_EMC_WALL_4,
4746
4747   EL_EMC_WALL_5,
4748   EL_EMC_WALL_6,
4749   EL_EMC_WALL_7,
4750   EL_EMC_WALL_8,
4751
4752   EL_EMC_WALL_9,
4753   EL_EMC_WALL_10,
4754   EL_EMC_WALL_11,
4755   EL_EMC_WALL_12,
4756
4757   EL_EMC_GRASS,
4758   EL_EMC_FAKE_GRASS,
4759   EL_EMC_PLANT,
4760   EL_EMC_DRIPPER,
4761
4762   EL_EMC_MAGIC_BALL,
4763   EL_EMC_MAGIC_BALL_SWITCH,
4764   EL_EMC_LENSES,
4765   EL_EMC_MAGNIFIER,
4766
4767   EL_SPRING_LEFT,
4768   EL_SPRING,
4769   EL_SPRING_RIGHT,
4770   EL_EMC_SPRING_BUMPER,
4771
4772   EL_BALLOON,
4773   EL_YAMYAM_UP,
4774   EL_BALLOON_SWITCH_UP,
4775   EL_BALLOON_SWITCH_ANY,
4776
4777   EL_YAMYAM_LEFT,
4778   EL_BALLOON_SWITCH_LEFT,
4779   EL_YAMYAM_RIGHT,
4780   EL_BALLOON_SWITCH_RIGHT,
4781
4782   EL_EMC_ANDROID,
4783   EL_YAMYAM_DOWN,
4784   EL_BALLOON_SWITCH_DOWN,
4785   EL_BALLOON_SWITCH_NONE,
4786 };
4787 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
4788 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
4789 static int num_editor_hl_emerald_mine_club = ARRAY_SIZE(editor_hl_emerald_mine_club);
4790 static int num_editor_el_emerald_mine_club = ARRAY_SIZE(editor_el_emerald_mine_club);
4791
4792 static int editor_hl_rnd[] =
4793 {
4794   EL_INTERNAL_CASCADE_RND_ACTIVE,
4795   EL_CHAR('R'),
4796   EL_CHAR('N'),
4797   EL_CHAR('D'),
4798 };
4799
4800 static int editor_el_rnd[] =
4801 {
4802   EL_DYNAMITE,                  // RND
4803   EL_DYNAMITE_ACTIVE,           // RND
4804   EL_EMPTY,
4805   EL_EMPTY,
4806
4807   EL_KEY_1,
4808   EL_KEY_2,
4809   EL_KEY_3,
4810   EL_KEY_4,
4811
4812   EL_GATE_1,
4813   EL_GATE_2,
4814   EL_GATE_3,
4815   EL_GATE_4,
4816
4817   EL_GATE_1_GRAY,
4818   EL_GATE_2_GRAY,
4819   EL_GATE_3_GRAY,
4820   EL_GATE_4_GRAY,
4821
4822   EL_ARROW_LEFT,
4823   EL_ARROW_RIGHT,
4824   EL_ARROW_UP,
4825   EL_ARROW_DOWN,
4826
4827   EL_AMOEBA_DEAD,
4828   EL_AMOEBA_DRY,
4829   EL_AMOEBA_FULL,
4830   EL_GAME_OF_LIFE,
4831
4832   EL_EMERALD_YELLOW,
4833   EL_EMERALD_RED,
4834   EL_EMERALD_PURPLE,
4835   EL_BIOMAZE,
4836
4837   EL_WALL_EMERALD_YELLOW,
4838   EL_WALL_EMERALD_RED,
4839   EL_WALL_EMERALD_PURPLE,
4840   EL_WALL_BD_DIAMOND,
4841
4842   EL_SPEED_PILL,
4843   EL_PACMAN_UP,
4844   EL_TIME_ORB_FULL,
4845   EL_TIME_ORB_EMPTY,
4846
4847   EL_PACMAN_LEFT,
4848   EL_DARK_YAMYAM,
4849   EL_PACMAN_RIGHT,
4850   EL_YAMYAM,                    // RND
4851
4852   EL_BLACK_ORB,
4853   EL_PACMAN_DOWN,
4854   EL_LAMP,
4855   EL_LAMP_ACTIVE,
4856
4857   EL_DYNABOMB_INCREASE_NUMBER,
4858   EL_DYNABOMB_INCREASE_SIZE,
4859   EL_DYNABOMB_INCREASE_POWER,
4860   EL_STONEBLOCK,
4861
4862   EL_MOLE,
4863   EL_PENGUIN,
4864   EL_PIG,
4865   EL_DRAGON,
4866
4867   EL_BUG,
4868   EL_MOLE_UP,
4869   EL_BD_BUTTERFLY,
4870   EL_BD_FIREFLY,
4871
4872   EL_MOLE_LEFT,
4873   EL_SATELLITE,
4874   EL_MOLE_RIGHT,
4875   EL_PACMAN,
4876
4877   EL_SPACESHIP,
4878   EL_MOLE_DOWN,
4879   EL_INVISIBLE_STEELWALL,
4880   EL_INVISIBLE_WALL,
4881
4882   EL_EXPANDABLE_WALL,
4883   EL_EXPANDABLE_WALL_HORIZONTAL,
4884   EL_EXPANDABLE_WALL_VERTICAL,
4885   EL_EXPANDABLE_WALL_ANY,
4886 };
4887 static int *editor_hl_rnd_ptr = editor_hl_rnd;
4888 static int *editor_el_rnd_ptr = editor_el_rnd;
4889 static int num_editor_hl_rnd = ARRAY_SIZE(editor_hl_rnd);
4890 static int num_editor_el_rnd = ARRAY_SIZE(editor_el_rnd);
4891
4892 static int editor_hl_sokoban[] =
4893 {
4894   EL_INTERNAL_CASCADE_SB_ACTIVE,
4895   EL_CHAR('S'),
4896   EL_CHAR('B'),
4897   EL_EMPTY,
4898 };
4899
4900 static int editor_el_sokoban[] =
4901 {
4902   EL_SOKOBAN_OBJECT,
4903   EL_SOKOBAN_FIELD_EMPTY,
4904   EL_SOKOBAN_FIELD_FULL,
4905   EL_SOKOBAN_FIELD_PLAYER,
4906 };
4907 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
4908 static int *editor_el_sokoban_ptr = editor_el_sokoban;
4909 static int num_editor_hl_sokoban = ARRAY_SIZE(editor_hl_sokoban);
4910 static int num_editor_el_sokoban = ARRAY_SIZE(editor_el_sokoban);
4911
4912 static int editor_hl_supaplex[] =
4913 {
4914   EL_INTERNAL_CASCADE_SP_ACTIVE,
4915   EL_CHAR('S'),
4916   EL_CHAR('P'),
4917   EL_EMPTY,
4918 };
4919
4920 static int editor_el_supaplex[] =
4921 {
4922   EL_SP_MURPHY,
4923   EL_EMPTY,
4924   EL_SP_BASE,
4925   EL_SP_BUGGY_BASE,
4926
4927   EL_SP_INFOTRON,
4928   EL_SP_ZONK,
4929   EL_SP_SNIKSNAK,
4930   EL_SP_ELECTRON,
4931
4932   EL_SP_DISK_RED,
4933   EL_SP_DISK_ORANGE,
4934   EL_SP_DISK_YELLOW,
4935   EL_SP_TERMINAL,
4936
4937   EL_SP_EXIT_CLOSED,
4938   EL_SP_PORT_HORIZONTAL,
4939   EL_SP_PORT_VERTICAL,
4940   EL_SP_PORT_ANY,
4941
4942   EL_SP_PORT_LEFT,
4943   EL_SP_PORT_RIGHT,
4944   EL_SP_PORT_UP,
4945   EL_SP_PORT_DOWN,
4946
4947   EL_SP_GRAVITY_PORT_LEFT,
4948   EL_SP_GRAVITY_PORT_RIGHT,
4949   EL_SP_GRAVITY_PORT_UP,
4950   EL_SP_GRAVITY_PORT_DOWN,
4951
4952   EL_SP_GRAVITY_ON_PORT_LEFT,
4953   EL_SP_GRAVITY_ON_PORT_RIGHT,
4954   EL_SP_GRAVITY_ON_PORT_UP,
4955   EL_SP_GRAVITY_ON_PORT_DOWN,
4956
4957   EL_SP_GRAVITY_OFF_PORT_LEFT,
4958   EL_SP_GRAVITY_OFF_PORT_RIGHT,
4959   EL_SP_GRAVITY_OFF_PORT_UP,
4960   EL_SP_GRAVITY_OFF_PORT_DOWN,
4961
4962   EL_SP_HARDWARE_GRAY,
4963   EL_SP_HARDWARE_GREEN,
4964   EL_SP_HARDWARE_BLUE,
4965   EL_SP_HARDWARE_RED,
4966
4967   EL_SP_HARDWARE_BASE_1,
4968   EL_SP_HARDWARE_BASE_2,
4969   EL_SP_HARDWARE_BASE_3,
4970   EL_SP_HARDWARE_BASE_4,
4971
4972   EL_SP_HARDWARE_BASE_5,
4973   EL_SP_HARDWARE_BASE_6,
4974   EL_SP_HARDWARE_YELLOW,
4975   EL_SP_CHIP_TOP,
4976
4977   EL_SP_CHIP_SINGLE,
4978   EL_SP_CHIP_LEFT,
4979   EL_SP_CHIP_RIGHT,
4980   EL_SP_CHIP_BOTTOM,
4981 };
4982 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
4983 static int *editor_el_supaplex_ptr = editor_el_supaplex;
4984 static int num_editor_hl_supaplex = ARRAY_SIZE(editor_hl_supaplex);
4985 static int num_editor_el_supaplex = ARRAY_SIZE(editor_el_supaplex);
4986
4987 static int editor_hl_diamond_caves[] =
4988 {
4989   EL_INTERNAL_CASCADE_DC_ACTIVE,
4990   EL_CHAR('D'),
4991   EL_CHAR('C'),
4992   EL_CHAR('2'),
4993 };
4994
4995 static int editor_el_diamond_caves[] =
4996 {
4997   EL_EM_STEEL_EXIT_CLOSED,      // DC2
4998   EL_EM_STEEL_EXIT_OPEN,        // DC2
4999   EL_WALL_EMERALD,              // DC2
5000   EL_WALL_DIAMOND,              // DC2
5001
5002   EL_PEARL,
5003   EL_CRYSTAL,
5004   EL_WALL_PEARL,
5005   EL_WALL_CRYSTAL,
5006
5007   EL_CONVEYOR_BELT_1_LEFT,
5008   EL_CONVEYOR_BELT_1_MIDDLE,
5009   EL_CONVEYOR_BELT_1_RIGHT,
5010   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
5011
5012   EL_CONVEYOR_BELT_2_LEFT,
5013   EL_CONVEYOR_BELT_2_MIDDLE,
5014   EL_CONVEYOR_BELT_2_RIGHT,
5015   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
5016
5017   EL_CONVEYOR_BELT_3_LEFT,
5018   EL_CONVEYOR_BELT_3_MIDDLE,
5019   EL_CONVEYOR_BELT_3_RIGHT,
5020   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
5021
5022   EL_CONVEYOR_BELT_4_LEFT,
5023   EL_CONVEYOR_BELT_4_MIDDLE,
5024   EL_CONVEYOR_BELT_4_RIGHT,
5025   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
5026
5027   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
5028   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
5029   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
5030   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
5031
5032   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
5033   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
5034   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
5035   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
5036
5037   EL_TIMEGATE_CLOSED,
5038   EL_TIMEGATE_OPEN,
5039   EL_TIMEGATE_SWITCH,
5040   EL_DC_TIMEGATE_SWITCH,
5041
5042   EL_SWITCHGATE_CLOSED,
5043   EL_SWITCHGATE_OPEN,
5044   EL_SWITCHGATE_SWITCH_UP,
5045   EL_SWITCHGATE_SWITCH_DOWN,
5046
5047   EL_LIGHT_SWITCH,
5048   EL_LIGHT_SWITCH_ACTIVE,
5049   EL_DC_SWITCHGATE_SWITCH_UP,
5050   EL_DC_SWITCHGATE_SWITCH_DOWN,
5051
5052   EL_STEEL_EXIT_CLOSED,
5053   EL_STEEL_EXIT_OPEN,
5054   EL_STEELWALL_SLIPPERY,
5055   EL_INVISIBLE_SAND,
5056
5057   EL_QUICKSAND_FAST_EMPTY,
5058   EL_QUICKSAND_FAST_FULL,
5059   EL_LANDMINE,
5060   EL_DC_LANDMINE,
5061
5062   EL_SHIELD_NORMAL,
5063   EL_SHIELD_DEADLY,
5064   EL_EXTRA_TIME,
5065   EL_DC_MAGIC_WALL,
5066
5067   EL_ENVELOPE_1,
5068   EL_ENVELOPE_2,
5069   EL_ENVELOPE_3,
5070   EL_ENVELOPE_4,
5071
5072   EL_SIGN_RADIOACTIVITY,
5073   EL_SIGN_WHEELCHAIR,
5074   EL_SIGN_PARKING,
5075   EL_SIGN_NO_ENTRY,
5076
5077   EL_SIGN_GIVE_WAY,
5078   EL_SIGN_ENTRY_FORBIDDEN,
5079   EL_SIGN_EMERGENCY_EXIT,
5080   EL_SIGN_YIN_YANG,
5081
5082 #if 0
5083   EL_SIGN_SPERMS,
5084   EL_SIGN_BULLET,
5085   EL_SIGN_HEART,
5086   EL_SIGN_CROSS,
5087
5088   EL_SIGN_FRANKIE,
5089   EL_EMPTY,
5090   EL_EMPTY,
5091   EL_EMPTY,
5092
5093   EL_SPERMS,
5094   EL_BULLET,
5095   EL_HEART,
5096   EL_CROSS,
5097
5098   EL_FRANKIE,
5099   EL_EMPTY,
5100   EL_EMPTY,
5101   EL_EMPTY,
5102 #endif
5103
5104   EL_DC_STEELWALL_2_SINGLE,
5105   EL_DC_STEELWALL_2_TOP,
5106   EL_SIGN_EXCLAMATION,
5107   EL_SIGN_STOP,
5108
5109   EL_DC_STEELWALL_2_LEFT,
5110   EL_DC_STEELWALL_2_MIDDLE,
5111   EL_DC_STEELWALL_2_HORIZONTAL,
5112   EL_DC_STEELWALL_2_RIGHT,
5113
5114   EL_DC_STEELWALL_1_TOPLEFT,
5115   EL_DC_STEELWALL_2_VERTICAL,
5116   EL_DC_STEELWALL_1_TOPRIGHT,
5117   EL_DC_GATE_WHITE,
5118
5119   EL_DC_STEELWALL_1_VERTICAL,
5120   EL_DC_STEELWALL_2_BOTTOM,
5121   EL_DC_KEY_WHITE,
5122   EL_DC_GATE_WHITE_GRAY,
5123
5124   EL_DC_STEELWALL_1_BOTTOMLEFT,
5125   EL_DC_STEELWALL_1_HORIZONTAL,
5126   EL_DC_STEELWALL_1_BOTTOMRIGHT,
5127   EL_DC_GATE_FAKE_GRAY,
5128
5129   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
5130   EL_DC_STEELWALL_1_BOTTOM,
5131   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
5132   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
5133
5134   EL_DC_STEELWALL_1_RIGHT,
5135   EL_EMPTY,
5136   EL_DC_STEELWALL_1_LEFT,
5137   EL_EXPANDABLE_STEELWALL_VERTICAL,
5138
5139   EL_DC_STEELWALL_1_TOPRIGHT_2,
5140   EL_DC_STEELWALL_1_TOP,
5141   EL_DC_STEELWALL_1_TOPLEFT_2,
5142   EL_EXPANDABLE_STEELWALL_ANY,
5143 };
5144 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
5145 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
5146 static int num_editor_hl_diamond_caves = ARRAY_SIZE(editor_hl_diamond_caves);
5147 static int num_editor_el_diamond_caves = ARRAY_SIZE(editor_el_diamond_caves);
5148
5149 static int editor_hl_dx_boulderdash[] =
5150 {
5151   EL_INTERNAL_CASCADE_DX_ACTIVE,
5152   EL_CHAR('D'),
5153   EL_CHAR('X'),
5154   EL_EMPTY,
5155 };
5156
5157 static int editor_el_dx_boulderdash[] =
5158 {
5159   EL_EMPTY,
5160   EL_TUBE_RIGHT_DOWN,
5161   EL_TUBE_HORIZONTAL_DOWN,
5162   EL_TUBE_LEFT_DOWN,
5163
5164   EL_TUBE_HORIZONTAL,
5165   EL_TUBE_VERTICAL_RIGHT,
5166   EL_TUBE_ANY,
5167   EL_TUBE_VERTICAL_LEFT,
5168
5169   EL_TUBE_VERTICAL,
5170   EL_TUBE_RIGHT_UP,
5171   EL_TUBE_HORIZONTAL_UP,
5172   EL_TUBE_LEFT_UP,
5173
5174   EL_TRAP,
5175   EL_DX_SUPABOMB,
5176   EL_EMPTY,
5177   EL_EMPTY
5178 };
5179 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
5180 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
5181 static int num_editor_hl_dx_boulderdash = ARRAY_SIZE(editor_hl_dx_boulderdash);
5182 static int num_editor_el_dx_boulderdash = ARRAY_SIZE(editor_el_dx_boulderdash);
5183
5184 static int editor_hl_mirror_magic[] =
5185 {
5186   EL_INTERNAL_CASCADE_MM_ACTIVE,
5187   EL_CHAR('M'),
5188   EL_CHAR('M'),
5189   EL_EMPTY,
5190 };
5191
5192 static int editor_el_mirror_magic[] =
5193 {
5194   EL_MM_MCDUFFIN_RIGHT,
5195   EL_MM_MCDUFFIN_UP,
5196   EL_MM_MCDUFFIN_LEFT,
5197   EL_MM_MCDUFFIN_DOWN,
5198
5199   EL_MM_MIRROR_START,
5200   EL_MM_MIRROR_FIXED_START,
5201   EL_MM_POLARIZER_START,
5202   EL_MM_POLARIZER_CROSS_START,
5203
5204   EL_MM_TELEPORTER_RED_START,
5205   EL_MM_TELEPORTER_YELLOW_START,
5206   EL_MM_TELEPORTER_GREEN_START,
5207   EL_MM_TELEPORTER_BLUE_START,
5208
5209   EL_MM_PRISM,
5210   EL_MM_FUSE_ACTIVE,
5211   EL_MM_PACMAN_RIGHT,
5212   EL_MM_EXIT_CLOSED,
5213
5214   EL_MM_KETTLE,
5215   EL_MM_BOMB,
5216   EL_MM_KEY,
5217   EL_MM_FUEL_FULL,
5218
5219   EL_MM_LIGHTBULB,
5220   EL_MM_LIGHTBULB_ACTIVE,
5221   EL_MM_GRAY_BALL,
5222   EL_MM_LIGHTBALL,
5223
5224   EL_MM_STEEL_WALL,
5225   EL_MM_WOODEN_WALL,
5226   EL_MM_ICE_WALL,
5227   EL_MM_AMOEBA_WALL,
5228
5229   EL_MM_STEEL_LOCK,
5230   EL_MM_WOODEN_LOCK,
5231   EL_MM_STEEL_BLOCK,
5232   EL_MM_WOODEN_BLOCK,
5233
5234   EL_MM_STEEL_GRID_FIXED_1,
5235   EL_MM_STEEL_GRID_FIXED_2,
5236   EL_MM_STEEL_GRID_FIXED_3,
5237   EL_MM_STEEL_GRID_FIXED_4,
5238
5239   EL_MM_WOODEN_GRID_FIXED_1,
5240   EL_MM_WOODEN_GRID_FIXED_2,
5241   EL_MM_WOODEN_GRID_FIXED_3,
5242   EL_MM_WOODEN_GRID_FIXED_4,
5243
5244   EL_MM_ENVELOPE_1,
5245   EL_MM_ENVELOPE_2,
5246   EL_MM_ENVELOPE_3,
5247   EL_MM_ENVELOPE_4
5248 };
5249 static int *editor_hl_mirror_magic_ptr = editor_hl_mirror_magic;
5250 static int *editor_el_mirror_magic_ptr = editor_el_mirror_magic;
5251 static int num_editor_hl_mirror_magic = ARRAY_SIZE(editor_hl_mirror_magic);
5252 static int num_editor_el_mirror_magic = ARRAY_SIZE(editor_el_mirror_magic);
5253
5254 static int editor_hl_deflektor[] =
5255 {
5256   EL_INTERNAL_CASCADE_DF_ACTIVE,
5257   EL_CHAR('D'),
5258   EL_CHAR('F'),
5259   EL_EMPTY,
5260 };
5261
5262 static int editor_el_deflektor[] =
5263 {
5264   EL_DF_LASER_RIGHT,
5265   EL_DF_LASER_UP,
5266   EL_DF_LASER_LEFT,
5267   EL_DF_LASER_DOWN,
5268
5269   EL_DF_RECEIVER_RIGHT,
5270   EL_DF_RECEIVER_UP,
5271   EL_DF_RECEIVER_LEFT,
5272   EL_DF_RECEIVER_DOWN,
5273
5274   EL_DF_MIRROR_START,
5275   EL_DF_MIRROR_ROTATING_START,
5276   EL_DF_MIRROR_FIXED_START,
5277   EL_DF_CELL,
5278
5279   EL_DF_FIBRE_OPTIC_RED_1,
5280   EL_DF_FIBRE_OPTIC_YELLOW_1,
5281   EL_DF_FIBRE_OPTIC_GREEN_1,
5282   EL_DF_FIBRE_OPTIC_BLUE_1,
5283
5284   EL_DF_STEEL_GRID_FIXED_START,
5285   EL_DF_STEEL_GRID_ROTATING_START,
5286   EL_DF_WOODEN_GRID_FIXED_START,
5287   EL_DF_WOODEN_GRID_ROTATING_START,
5288
5289   EL_DF_STEEL_WALL,
5290   EL_DF_WOODEN_WALL,
5291   EL_DF_REFRACTOR,
5292   EL_DF_MINE,
5293
5294   EL_DF_SLOPE_1,
5295   EL_DF_SLOPE_2,
5296   EL_DF_SLOPE_3,
5297   EL_DF_SLOPE_4
5298 };
5299 static int *editor_hl_deflektor_ptr = editor_hl_deflektor;
5300 static int *editor_el_deflektor_ptr = editor_el_deflektor;
5301 static int num_editor_hl_deflektor = ARRAY_SIZE(editor_hl_deflektor);
5302 static int num_editor_el_deflektor = ARRAY_SIZE(editor_el_deflektor);
5303
5304 static int editor_hl_chars[] =
5305 {
5306   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
5307   EL_CHAR('T'),
5308   EL_CHAR('X'),
5309   EL_CHAR('T'),
5310 };
5311
5312 static int editor_el_chars[] =
5313 {
5314   EL_CHAR(' '),
5315   EL_CHAR('!'),
5316   EL_CHAR('"'),
5317   EL_CHAR('#'),
5318
5319   EL_CHAR('$'),
5320   EL_CHAR('%'),
5321   EL_CHAR('&'),
5322   EL_CHAR('\''),
5323
5324   EL_CHAR('('),
5325   EL_CHAR(')'),
5326   EL_CHAR('*'),
5327   EL_CHAR('+'),
5328
5329   EL_CHAR(','),
5330   EL_CHAR('-'),
5331   EL_CHAR('.'),
5332   EL_CHAR('/'),
5333
5334   EL_CHAR('0'),
5335   EL_CHAR('1'),
5336   EL_CHAR('2'),
5337   EL_CHAR('3'),
5338
5339   EL_CHAR('4'),
5340   EL_CHAR('5'),
5341   EL_CHAR('6'),
5342   EL_CHAR('7'),
5343
5344   EL_CHAR('8'),
5345   EL_CHAR('9'),
5346   EL_CHAR(':'),
5347   EL_CHAR(';'),
5348
5349   EL_CHAR('<'),
5350   EL_CHAR('='),
5351   EL_CHAR('>'),
5352   EL_CHAR('?'),
5353
5354   EL_CHAR('@'),
5355   EL_CHAR('A'),
5356   EL_CHAR('B'),
5357   EL_CHAR('C'),
5358
5359   EL_CHAR('D'),
5360   EL_CHAR('E'),
5361   EL_CHAR('F'),
5362   EL_CHAR('G'),
5363
5364   EL_CHAR('H'),
5365   EL_CHAR('I'),
5366   EL_CHAR('J'),
5367   EL_CHAR('K'),
5368
5369   EL_CHAR('L'),
5370   EL_CHAR('M'),
5371   EL_CHAR('N'),
5372   EL_CHAR('O'),
5373
5374   EL_CHAR('P'),
5375   EL_CHAR('Q'),
5376   EL_CHAR('R'),
5377   EL_CHAR('S'),
5378
5379   EL_CHAR('T'),
5380   EL_CHAR('U'),
5381   EL_CHAR('V'),
5382   EL_CHAR('W'),
5383
5384   EL_CHAR('X'),
5385   EL_CHAR('Y'),
5386   EL_CHAR('Z'),
5387   EL_CHAR('['),
5388
5389   EL_CHAR('\\'),
5390   EL_CHAR(']'),
5391   EL_CHAR('^'),
5392   EL_CHAR('_'),
5393
5394   EL_CHAR(CHAR_BYTE_COPYRIGHT),
5395   EL_CHAR(CHAR_BYTE_UMLAUT_A),
5396   EL_CHAR(CHAR_BYTE_UMLAUT_O),
5397   EL_CHAR(CHAR_BYTE_UMLAUT_U),
5398
5399   EL_CHAR(CHAR_BYTE_DEGREE),
5400   EL_CHAR(CHAR_BYTE_REGISTERED),
5401   EL_CHAR(FONT_ASCII_CURSOR),
5402   EL_CHAR(FONT_ASCII_BUTTON),
5403
5404   EL_CHAR(FONT_ASCII_UP),
5405   EL_CHAR(FONT_ASCII_DOWN),
5406   EL_CHAR(' '),
5407   EL_CHAR(' ')
5408 };
5409 static int *editor_hl_chars_ptr = editor_hl_chars;
5410 static int *editor_el_chars_ptr = editor_el_chars;
5411 static int num_editor_hl_chars = ARRAY_SIZE(editor_hl_chars);
5412 static int num_editor_el_chars = ARRAY_SIZE(editor_el_chars);
5413
5414 static int editor_hl_steel_chars[] =
5415 {
5416   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
5417   EL_STEEL_CHAR('T'),
5418   EL_STEEL_CHAR('X'),
5419   EL_STEEL_CHAR('T'),
5420 };
5421
5422 static int editor_el_steel_chars[] =
5423 {
5424   EL_STEEL_CHAR(' '),
5425   EL_STEEL_CHAR('!'),
5426   EL_STEEL_CHAR('"'),
5427   EL_STEEL_CHAR('#'),
5428
5429   EL_STEEL_CHAR('$'),
5430   EL_STEEL_CHAR('%'),
5431   EL_STEEL_CHAR('&'),
5432   EL_STEEL_CHAR('\''),
5433
5434   EL_STEEL_CHAR('('),
5435   EL_STEEL_CHAR(')'),
5436   EL_STEEL_CHAR('*'),
5437   EL_STEEL_CHAR('+'),
5438
5439   EL_STEEL_CHAR(','),
5440   EL_STEEL_CHAR('-'),
5441   EL_STEEL_CHAR('.'),
5442   EL_STEEL_CHAR('/'),
5443
5444   EL_STEEL_CHAR('0'),
5445   EL_STEEL_CHAR('1'),
5446   EL_STEEL_CHAR('2'),
5447   EL_STEEL_CHAR('3'),
5448
5449   EL_STEEL_CHAR('4'),
5450   EL_STEEL_CHAR('5'),
5451   EL_STEEL_CHAR('6'),
5452   EL_STEEL_CHAR('7'),
5453
5454   EL_STEEL_CHAR('8'),
5455   EL_STEEL_CHAR('9'),
5456   EL_STEEL_CHAR(':'),
5457   EL_STEEL_CHAR(';'),
5458
5459   EL_STEEL_CHAR('<'),
5460   EL_STEEL_CHAR('='),
5461   EL_STEEL_CHAR('>'),
5462   EL_STEEL_CHAR('?'),
5463
5464   EL_STEEL_CHAR('@'),
5465   EL_STEEL_CHAR('A'),
5466   EL_STEEL_CHAR('B'),
5467   EL_STEEL_CHAR('C'),
5468
5469   EL_STEEL_CHAR('D'),
5470   EL_STEEL_CHAR('E'),
5471   EL_STEEL_CHAR('F'),
5472   EL_STEEL_CHAR('G'),
5473
5474   EL_STEEL_CHAR('H'),
5475   EL_STEEL_CHAR('I'),
5476   EL_STEEL_CHAR('J'),
5477   EL_STEEL_CHAR('K'),
5478
5479   EL_STEEL_CHAR('L'),
5480   EL_STEEL_CHAR('M'),
5481   EL_STEEL_CHAR('N'),
5482   EL_STEEL_CHAR('O'),
5483
5484   EL_STEEL_CHAR('P'),
5485   EL_STEEL_CHAR('Q'),
5486   EL_STEEL_CHAR('R'),
5487   EL_STEEL_CHAR('S'),
5488
5489   EL_STEEL_CHAR('T'),
5490   EL_STEEL_CHAR('U'),
5491   EL_STEEL_CHAR('V'),
5492   EL_STEEL_CHAR('W'),
5493
5494   EL_STEEL_CHAR('X'),
5495   EL_STEEL_CHAR('Y'),
5496   EL_STEEL_CHAR('Z'),
5497   EL_STEEL_CHAR('['),
5498
5499   EL_STEEL_CHAR('\\'),
5500   EL_STEEL_CHAR(']'),
5501   EL_STEEL_CHAR('^'),
5502   EL_STEEL_CHAR('_'),
5503
5504   EL_STEEL_CHAR(CHAR_BYTE_COPYRIGHT),
5505   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_A),
5506   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_O),
5507   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_U),
5508
5509   EL_STEEL_CHAR(CHAR_BYTE_DEGREE),
5510   EL_STEEL_CHAR(CHAR_BYTE_REGISTERED),
5511   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
5512   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
5513
5514   EL_STEEL_CHAR(FONT_ASCII_UP),
5515   EL_STEEL_CHAR(FONT_ASCII_DOWN),
5516   EL_STEEL_CHAR(' '),
5517   EL_STEEL_CHAR(' ')
5518 };
5519 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
5520 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
5521 static int num_editor_hl_steel_chars = ARRAY_SIZE(editor_hl_steel_chars);
5522 static int num_editor_el_steel_chars = ARRAY_SIZE(editor_el_steel_chars);
5523
5524 static int editor_hl_custom[] =
5525 {
5526   EL_INTERNAL_CASCADE_CE_ACTIVE,
5527   EL_CHAR('C'),
5528   EL_CHAR('E'),
5529   EL_EMPTY,
5530 };
5531
5532 static int editor_el_custom[] =
5533 {
5534   EL_CUSTOM_START + 0,
5535   EL_CUSTOM_START + 1,
5536   EL_CUSTOM_START + 2,
5537   EL_CUSTOM_START + 3,
5538
5539   EL_CUSTOM_START + 4,
5540   EL_CUSTOM_START + 5,
5541   EL_CUSTOM_START + 6,
5542   EL_CUSTOM_START + 7,
5543
5544   EL_CUSTOM_START + 8,
5545   EL_CUSTOM_START + 9,
5546   EL_CUSTOM_START + 10,
5547   EL_CUSTOM_START + 11,
5548
5549   EL_CUSTOM_START + 12,
5550   EL_CUSTOM_START + 13,
5551   EL_CUSTOM_START + 14,
5552   EL_CUSTOM_START + 15,
5553
5554   EL_CUSTOM_START + 16,
5555   EL_CUSTOM_START + 17,
5556   EL_CUSTOM_START + 18,
5557   EL_CUSTOM_START + 19,
5558
5559   EL_CUSTOM_START + 20,
5560   EL_CUSTOM_START + 21,
5561   EL_CUSTOM_START + 22,
5562   EL_CUSTOM_START + 23,
5563
5564   EL_CUSTOM_START + 24,
5565   EL_CUSTOM_START + 25,
5566   EL_CUSTOM_START + 26,
5567   EL_CUSTOM_START + 27,
5568
5569   EL_CUSTOM_START + 28,
5570   EL_CUSTOM_START + 29,
5571   EL_CUSTOM_START + 30,
5572   EL_CUSTOM_START + 31,
5573
5574   EL_CUSTOM_START + 32,
5575   EL_CUSTOM_START + 33,
5576   EL_CUSTOM_START + 34,
5577   EL_CUSTOM_START + 35,
5578
5579   EL_CUSTOM_START + 36,
5580   EL_CUSTOM_START + 37,
5581   EL_CUSTOM_START + 38,
5582   EL_CUSTOM_START + 39,
5583
5584   EL_CUSTOM_START + 40,
5585   EL_CUSTOM_START + 41,
5586   EL_CUSTOM_START + 42,
5587   EL_CUSTOM_START + 43,
5588
5589   EL_CUSTOM_START + 44,
5590   EL_CUSTOM_START + 45,
5591   EL_CUSTOM_START + 46,
5592   EL_CUSTOM_START + 47,
5593
5594   EL_CUSTOM_START + 48,
5595   EL_CUSTOM_START + 49,
5596   EL_CUSTOM_START + 50,
5597   EL_CUSTOM_START + 51,
5598
5599   EL_CUSTOM_START + 52,
5600   EL_CUSTOM_START + 53,
5601   EL_CUSTOM_START + 54,
5602   EL_CUSTOM_START + 55,
5603
5604   EL_CUSTOM_START + 56,
5605   EL_CUSTOM_START + 57,
5606   EL_CUSTOM_START + 58,
5607   EL_CUSTOM_START + 59,
5608
5609   EL_CUSTOM_START + 60,
5610   EL_CUSTOM_START + 61,
5611   EL_CUSTOM_START + 62,
5612   EL_CUSTOM_START + 63,
5613
5614   EL_CUSTOM_START + 64,
5615   EL_CUSTOM_START + 65,
5616   EL_CUSTOM_START + 66,
5617   EL_CUSTOM_START + 67,
5618
5619   EL_CUSTOM_START + 68,
5620   EL_CUSTOM_START + 69,
5621   EL_CUSTOM_START + 70,
5622   EL_CUSTOM_START + 71,
5623
5624   EL_CUSTOM_START + 72,
5625   EL_CUSTOM_START + 73,
5626   EL_CUSTOM_START + 74,
5627   EL_CUSTOM_START + 75,
5628
5629   EL_CUSTOM_START + 76,
5630   EL_CUSTOM_START + 77,
5631   EL_CUSTOM_START + 78,
5632   EL_CUSTOM_START + 79,
5633
5634   EL_CUSTOM_START + 80,
5635   EL_CUSTOM_START + 81,
5636   EL_CUSTOM_START + 82,
5637   EL_CUSTOM_START + 83,
5638
5639   EL_CUSTOM_START + 84,
5640   EL_CUSTOM_START + 85,
5641   EL_CUSTOM_START + 86,
5642   EL_CUSTOM_START + 87,
5643
5644   EL_CUSTOM_START + 88,
5645   EL_CUSTOM_START + 89,
5646   EL_CUSTOM_START + 90,
5647   EL_CUSTOM_START + 91,
5648
5649   EL_CUSTOM_START + 92,
5650   EL_CUSTOM_START + 93,
5651   EL_CUSTOM_START + 94,
5652   EL_CUSTOM_START + 95,
5653
5654   EL_CUSTOM_START + 96,
5655   EL_CUSTOM_START + 97,
5656   EL_CUSTOM_START + 98,
5657   EL_CUSTOM_START + 99,
5658
5659   EL_CUSTOM_START + 100,
5660   EL_CUSTOM_START + 101,
5661   EL_CUSTOM_START + 102,
5662   EL_CUSTOM_START + 103,
5663
5664   EL_CUSTOM_START + 104,
5665   EL_CUSTOM_START + 105,
5666   EL_CUSTOM_START + 106,
5667   EL_CUSTOM_START + 107,
5668
5669   EL_CUSTOM_START + 108,
5670   EL_CUSTOM_START + 109,
5671   EL_CUSTOM_START + 110,
5672   EL_CUSTOM_START + 111,
5673
5674   EL_CUSTOM_START + 112,
5675   EL_CUSTOM_START + 113,
5676   EL_CUSTOM_START + 114,
5677   EL_CUSTOM_START + 115,
5678
5679   EL_CUSTOM_START + 116,
5680   EL_CUSTOM_START + 117,
5681   EL_CUSTOM_START + 118,
5682   EL_CUSTOM_START + 119,
5683
5684   EL_CUSTOM_START + 120,
5685   EL_CUSTOM_START + 121,
5686   EL_CUSTOM_START + 122,
5687   EL_CUSTOM_START + 123,
5688
5689   EL_CUSTOM_START + 124,
5690   EL_CUSTOM_START + 125,
5691   EL_CUSTOM_START + 126,
5692   EL_CUSTOM_START + 127,
5693
5694   EL_CUSTOM_START + 128,
5695   EL_CUSTOM_START + 129,
5696   EL_CUSTOM_START + 130,
5697   EL_CUSTOM_START + 131,
5698
5699   EL_CUSTOM_START + 132,
5700   EL_CUSTOM_START + 133,
5701   EL_CUSTOM_START + 134,
5702   EL_CUSTOM_START + 135,
5703
5704   EL_CUSTOM_START + 136,
5705   EL_CUSTOM_START + 137,
5706   EL_CUSTOM_START + 138,
5707   EL_CUSTOM_START + 139,
5708
5709   EL_CUSTOM_START + 140,
5710   EL_CUSTOM_START + 141,
5711   EL_CUSTOM_START + 142,
5712   EL_CUSTOM_START + 143,
5713
5714   EL_CUSTOM_START + 144,
5715   EL_CUSTOM_START + 145,
5716   EL_CUSTOM_START + 146,
5717   EL_CUSTOM_START + 147,
5718
5719   EL_CUSTOM_START + 148,
5720   EL_CUSTOM_START + 149,
5721   EL_CUSTOM_START + 150,
5722   EL_CUSTOM_START + 151,
5723
5724   EL_CUSTOM_START + 152,
5725   EL_CUSTOM_START + 153,
5726   EL_CUSTOM_START + 154,
5727   EL_CUSTOM_START + 155,
5728
5729   EL_CUSTOM_START + 156,
5730   EL_CUSTOM_START + 157,
5731   EL_CUSTOM_START + 158,
5732   EL_CUSTOM_START + 159,
5733
5734   EL_CUSTOM_START + 160,
5735   EL_CUSTOM_START + 161,
5736   EL_CUSTOM_START + 162,
5737   EL_CUSTOM_START + 163,
5738
5739   EL_CUSTOM_START + 164,
5740   EL_CUSTOM_START + 165,
5741   EL_CUSTOM_START + 166,
5742   EL_CUSTOM_START + 167,
5743
5744   EL_CUSTOM_START + 168,
5745   EL_CUSTOM_START + 169,
5746   EL_CUSTOM_START + 170,
5747   EL_CUSTOM_START + 171,
5748
5749   EL_CUSTOM_START + 172,
5750   EL_CUSTOM_START + 173,
5751   EL_CUSTOM_START + 174,
5752   EL_CUSTOM_START + 175,
5753
5754   EL_CUSTOM_START + 176,
5755   EL_CUSTOM_START + 177,
5756   EL_CUSTOM_START + 178,
5757   EL_CUSTOM_START + 179,
5758
5759   EL_CUSTOM_START + 180,
5760   EL_CUSTOM_START + 181,
5761   EL_CUSTOM_START + 182,
5762   EL_CUSTOM_START + 183,
5763
5764   EL_CUSTOM_START + 184,
5765   EL_CUSTOM_START + 185,
5766   EL_CUSTOM_START + 186,
5767   EL_CUSTOM_START + 187,
5768
5769   EL_CUSTOM_START + 188,
5770   EL_CUSTOM_START + 189,
5771   EL_CUSTOM_START + 190,
5772   EL_CUSTOM_START + 191,
5773
5774   EL_CUSTOM_START + 192,
5775   EL_CUSTOM_START + 193,
5776   EL_CUSTOM_START + 194,
5777   EL_CUSTOM_START + 195,
5778
5779   EL_CUSTOM_START + 196,
5780   EL_CUSTOM_START + 197,
5781   EL_CUSTOM_START + 198,
5782   EL_CUSTOM_START + 199,
5783
5784   EL_CUSTOM_START + 200,
5785   EL_CUSTOM_START + 201,
5786   EL_CUSTOM_START + 202,
5787   EL_CUSTOM_START + 203,
5788
5789   EL_CUSTOM_START + 204,
5790   EL_CUSTOM_START + 205,
5791   EL_CUSTOM_START + 206,
5792   EL_CUSTOM_START + 207,
5793
5794   EL_CUSTOM_START + 208,
5795   EL_CUSTOM_START + 209,
5796   EL_CUSTOM_START + 210,
5797   EL_CUSTOM_START + 211,
5798
5799   EL_CUSTOM_START + 212,
5800   EL_CUSTOM_START + 213,
5801   EL_CUSTOM_START + 214,
5802   EL_CUSTOM_START + 215,
5803
5804   EL_CUSTOM_START + 216,
5805   EL_CUSTOM_START + 217,
5806   EL_CUSTOM_START + 218,
5807   EL_CUSTOM_START + 219,
5808
5809   EL_CUSTOM_START + 220,
5810   EL_CUSTOM_START + 221,
5811   EL_CUSTOM_START + 222,
5812   EL_CUSTOM_START + 223,
5813
5814   EL_CUSTOM_START + 224,
5815   EL_CUSTOM_START + 225,
5816   EL_CUSTOM_START + 226,
5817   EL_CUSTOM_START + 227,
5818
5819   EL_CUSTOM_START + 228,
5820   EL_CUSTOM_START + 229,
5821   EL_CUSTOM_START + 230,
5822   EL_CUSTOM_START + 231,
5823
5824   EL_CUSTOM_START + 232,
5825   EL_CUSTOM_START + 233,
5826   EL_CUSTOM_START + 234,
5827   EL_CUSTOM_START + 235,
5828
5829   EL_CUSTOM_START + 236,
5830   EL_CUSTOM_START + 237,
5831   EL_CUSTOM_START + 238,
5832   EL_CUSTOM_START + 239,
5833
5834   EL_CUSTOM_START + 240,
5835   EL_CUSTOM_START + 241,
5836   EL_CUSTOM_START + 242,
5837   EL_CUSTOM_START + 243,
5838
5839   EL_CUSTOM_START + 244,
5840   EL_CUSTOM_START + 245,
5841   EL_CUSTOM_START + 246,
5842   EL_CUSTOM_START + 247,
5843
5844   EL_CUSTOM_START + 248,
5845   EL_CUSTOM_START + 249,
5846   EL_CUSTOM_START + 250,
5847   EL_CUSTOM_START + 251,
5848
5849   EL_CUSTOM_START + 252,
5850   EL_CUSTOM_START + 253,
5851   EL_CUSTOM_START + 254,
5852   EL_CUSTOM_START + 255
5853 };
5854 static int *editor_hl_custom_ptr = editor_hl_custom;
5855 static int *editor_el_custom_ptr = editor_el_custom;
5856 static int num_editor_hl_custom = ARRAY_SIZE(editor_hl_custom);
5857 static int num_editor_el_custom = ARRAY_SIZE(editor_el_custom);
5858
5859 static int editor_hl_group[] =
5860 {
5861   EL_INTERNAL_CASCADE_GE_ACTIVE,
5862   EL_CHAR('G'),
5863   EL_CHAR('E'),
5864   EL_EMPTY,
5865 };
5866
5867 static int editor_el_group[] =
5868 {
5869   EL_GROUP_START + 0,
5870   EL_GROUP_START + 1,
5871   EL_GROUP_START + 2,
5872   EL_GROUP_START + 3,
5873
5874   EL_GROUP_START + 4,
5875   EL_GROUP_START + 5,
5876   EL_GROUP_START + 6,
5877   EL_GROUP_START + 7,
5878
5879   EL_GROUP_START + 8,
5880   EL_GROUP_START + 9,
5881   EL_GROUP_START + 10,
5882   EL_GROUP_START + 11,
5883
5884   EL_GROUP_START + 12,
5885   EL_GROUP_START + 13,
5886   EL_GROUP_START + 14,
5887   EL_GROUP_START + 15,
5888
5889   EL_GROUP_START + 16,
5890   EL_GROUP_START + 17,
5891   EL_GROUP_START + 18,
5892   EL_GROUP_START + 19,
5893
5894   EL_GROUP_START + 20,
5895   EL_GROUP_START + 21,
5896   EL_GROUP_START + 22,
5897   EL_GROUP_START + 23,
5898
5899   EL_GROUP_START + 24,
5900   EL_GROUP_START + 25,
5901   EL_GROUP_START + 26,
5902   EL_GROUP_START + 27,
5903
5904   EL_GROUP_START + 28,
5905   EL_GROUP_START + 29,
5906   EL_GROUP_START + 30,
5907   EL_GROUP_START + 31
5908 };
5909 static int *editor_hl_group_ptr = editor_hl_group;
5910 static int *editor_el_group_ptr = editor_el_group;
5911 static int num_editor_hl_group = ARRAY_SIZE(editor_hl_group);
5912 static int num_editor_el_group = ARRAY_SIZE(editor_el_group);
5913
5914 static int editor_hl_empty_space[] =
5915 {
5916   EL_INTERNAL_CASCADE_ES_ACTIVE,
5917   EL_CHAR('E'),
5918   EL_CHAR('S'),
5919   EL_EMPTY,
5920 };
5921
5922 static int editor_el_empty_space[] =
5923 {
5924   EL_EMPTY_SPACE_1,
5925   EL_EMPTY_SPACE_2,
5926   EL_EMPTY_SPACE_3,
5927   EL_EMPTY_SPACE_4,
5928
5929   EL_EMPTY_SPACE_5,
5930   EL_EMPTY_SPACE_6,
5931   EL_EMPTY_SPACE_7,
5932   EL_EMPTY_SPACE_8,
5933
5934   EL_EMPTY_SPACE_9,
5935   EL_EMPTY_SPACE_10,
5936   EL_EMPTY_SPACE_11,
5937   EL_EMPTY_SPACE_12,
5938
5939   EL_EMPTY_SPACE_13,
5940   EL_EMPTY_SPACE_14,
5941   EL_EMPTY_SPACE_15,
5942   EL_EMPTY_SPACE_16
5943 };
5944 static int *editor_hl_empty_space_ptr = editor_hl_empty_space;
5945 static int *editor_el_empty_space_ptr = editor_el_empty_space;
5946 static int num_editor_hl_empty_space = ARRAY_SIZE(editor_hl_empty_space);
5947 static int num_editor_el_empty_space = ARRAY_SIZE(editor_el_empty_space);
5948
5949 static int editor_hl_reference[] =
5950 {
5951   EL_INTERNAL_CASCADE_REF_ACTIVE,
5952   EL_CHAR('R'),
5953   EL_CHAR('E'),
5954   EL_CHAR('F')
5955 };
5956
5957 static int editor_el_reference[] =
5958 {
5959   EL_TRIGGER_PLAYER,
5960   EL_TRIGGER_ELEMENT,
5961   EL_TRIGGER_CE_VALUE,
5962   EL_TRIGGER_CE_SCORE,
5963
5964   EL_SELF,
5965   EL_ANY_ELEMENT,
5966   EL_CURRENT_CE_VALUE,
5967   EL_CURRENT_CE_SCORE,
5968
5969   EL_PREV_CE_8,
5970   EL_PREV_CE_7,
5971   EL_PREV_CE_6,
5972   EL_PREV_CE_5,
5973
5974   EL_PREV_CE_4,
5975   EL_PREV_CE_3,
5976   EL_PREV_CE_2,
5977   EL_PREV_CE_1,
5978
5979   EL_NEXT_CE_1,
5980   EL_NEXT_CE_2,
5981   EL_NEXT_CE_3,
5982   EL_NEXT_CE_4,
5983
5984   EL_NEXT_CE_5,
5985   EL_NEXT_CE_6,
5986   EL_NEXT_CE_7,
5987   EL_NEXT_CE_8,
5988 };
5989 static int *editor_hl_reference_ptr = editor_hl_reference;
5990 static int *editor_el_reference_ptr = editor_el_reference;
5991 static int num_editor_hl_reference = ARRAY_SIZE(editor_hl_reference);
5992 static int num_editor_el_reference = ARRAY_SIZE(editor_el_reference);
5993
5994 static int editor_hl_user_defined[] =
5995 {
5996   EL_INTERNAL_CASCADE_USER_ACTIVE,
5997   EL_CHAR('M'),
5998   EL_CHAR('Y'),
5999   EL_EMPTY,
6000 };
6001
6002 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
6003 static int *editor_el_user_defined_ptr = NULL;
6004 static int num_editor_hl_user_defined = ARRAY_SIZE(editor_hl_user_defined);
6005 static int num_editor_el_user_defined = 0;
6006
6007 static int editor_hl_dynamic[] =
6008 {
6009   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
6010   EL_CHAR('U'),
6011   EL_CHAR('S'),
6012   EL_CHAR('E'),
6013 };
6014
6015 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
6016 static int *editor_el_dynamic_ptr = NULL;
6017 static int num_editor_hl_dynamic = ARRAY_SIZE(editor_hl_dynamic);
6018 static int num_editor_el_dynamic = 0;
6019
6020 static int editor_hl_empty[] = { EL_EMPTY };
6021 static int *editor_el_empty = NULL;     // dynamically allocated
6022
6023 static int *editor_hl_empty_ptr = editor_hl_empty;
6024 static int *editor_el_empty_ptr = NULL;
6025 static int num_editor_hl_empty = 0;
6026 static int num_editor_el_empty = 0;     // dynamically determined, if needed
6027
6028 static boolean use_el_empty = FALSE;
6029
6030 static int *editor_elements = NULL;     // dynamically allocated
6031 static int num_editor_elements = 0;     // dynamically determined
6032
6033 static boolean setup_editor_cascade_never = FALSE;
6034
6035 static boolean setup_editor_el_players                  = TRUE;
6036 static boolean setup_editor_el_boulderdash              = TRUE;
6037 static boolean setup_editor_el_boulderdash_native       = TRUE;
6038 static boolean setup_editor_el_emerald_mine             = TRUE;
6039 static boolean setup_editor_el_emerald_mine_club        = TRUE;
6040 static boolean setup_editor_el_more                     = TRUE;
6041 static boolean setup_editor_el_sokoban                  = TRUE;
6042 static boolean setup_editor_el_supaplex                 = TRUE;
6043 static boolean setup_editor_el_diamond_caves            = TRUE;
6044 static boolean setup_editor_el_dx_boulderdash           = TRUE;
6045 static boolean setup_editor_el_mirror_magic             = TRUE;
6046 static boolean setup_editor_el_deflektor                = TRUE;
6047 static boolean setup_editor_el_chars                    = TRUE;
6048 static boolean setup_editor_el_steel_chars              = TRUE;
6049 static boolean setup_editor_el_custom                   = TRUE;
6050 static boolean setup_editor_el_user_defined             = TRUE;
6051 static boolean setup_editor_el_dynamic                  = TRUE;
6052
6053 static int editor_hl_unused[] = { EL_EMPTY };
6054 static int *editor_hl_unused_ptr = editor_hl_unused;
6055 static int num_editor_hl_unused = 0;
6056
6057 static struct
6058 {
6059   boolean *setup_value;
6060   boolean *setup_cascade_value;
6061
6062   int **headline_list;
6063   int *headline_list_size;
6064
6065   int **element_list;
6066   int *element_list_size;
6067
6068   boolean last_setup_value;
6069 }
6070 editor_elements_info[] =
6071 {
6072   {
6073     &setup_editor_el_players,
6074     &setup_editor_cascade_never,
6075     &editor_hl_unused_ptr,              &num_editor_hl_unused,
6076     &editor_el_players_ptr,             &num_editor_el_players
6077   },
6078   {
6079     &setup_editor_el_boulderdash,
6080     &setup.editor_cascade.el_bd,
6081     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
6082     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
6083   },
6084   {
6085     &setup_editor_el_boulderdash_native,
6086     &setup.editor_cascade.el_bd_native,
6087     &editor_hl_boulderdash_native_ptr,  &num_editor_hl_boulderdash_native,
6088     &editor_el_boulderdash_native_ptr,  &num_editor_el_boulderdash_native
6089   },
6090   {
6091     &setup_editor_el_emerald_mine,
6092     &setup.editor_cascade.el_em,
6093     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
6094     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
6095   },
6096   {
6097     &setup_editor_el_emerald_mine_club,
6098     &setup.editor_cascade.el_emc,
6099     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
6100     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
6101   },
6102   {
6103     &setup_editor_el_more,
6104     &setup.editor_cascade.el_rnd,
6105     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
6106     &editor_el_rnd_ptr,                 &num_editor_el_rnd
6107   },
6108   {
6109     &setup_editor_el_sokoban,
6110     &setup.editor_cascade.el_sb,
6111     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
6112     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
6113   },
6114   {
6115     &setup_editor_el_supaplex,
6116     &setup.editor_cascade.el_sp,
6117     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
6118     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
6119   },
6120   {
6121     &setup_editor_el_diamond_caves,
6122     &setup.editor_cascade.el_dc,
6123     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
6124     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
6125   },
6126   {
6127     &setup_editor_el_dx_boulderdash,
6128     &setup.editor_cascade.el_dx,
6129     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
6130     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
6131   },
6132   {
6133     &setup_editor_el_mirror_magic,
6134     &setup.editor_cascade.el_mm,
6135     &editor_hl_mirror_magic_ptr,        &num_editor_hl_mirror_magic,
6136     &editor_el_mirror_magic_ptr,        &num_editor_el_mirror_magic
6137   },
6138   {
6139     &setup_editor_el_deflektor,
6140     &setup.editor_cascade.el_df,
6141     &editor_hl_deflektor_ptr,           &num_editor_hl_deflektor,
6142     &editor_el_deflektor_ptr,           &num_editor_el_deflektor
6143   },
6144   {
6145     &setup_editor_el_chars,
6146     &setup.editor_cascade.el_chars,
6147     &editor_hl_chars_ptr,               &num_editor_hl_chars,
6148     &editor_el_chars_ptr,               &num_editor_el_chars
6149   },
6150   {
6151     &setup_editor_el_steel_chars,
6152     &setup.editor_cascade.el_steel_chars,
6153     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
6154     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
6155   },
6156   {
6157     &setup_editor_el_custom,
6158     &setup.editor_cascade.el_ce,
6159     &editor_hl_custom_ptr,              &num_editor_hl_custom,
6160     &editor_el_custom_ptr,              &num_editor_el_custom
6161   },
6162   {
6163     &setup_editor_el_custom,
6164     &setup.editor_cascade.el_ge,
6165     &editor_hl_group_ptr,               &num_editor_hl_group,
6166     &editor_el_group_ptr,               &num_editor_el_group
6167   },
6168   {
6169     &setup_editor_el_custom,
6170     &setup.editor_cascade.el_es,
6171     &editor_hl_empty_space_ptr,         &num_editor_hl_empty_space,
6172     &editor_el_empty_space_ptr,         &num_editor_el_empty_space
6173   },
6174   {
6175     &setup_editor_el_custom,
6176     &setup.editor_cascade.el_ref,
6177     &editor_hl_reference_ptr,           &num_editor_hl_reference,
6178     &editor_el_reference_ptr,           &num_editor_el_reference
6179   },
6180   {
6181     &setup_editor_el_user_defined,
6182     &setup.editor_cascade.el_user,
6183     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
6184     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
6185   },
6186   {
6187     &setup_editor_el_dynamic,
6188     &setup.editor_cascade.el_dynamic,
6189     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
6190     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
6191   },
6192   {
6193     &use_el_empty,
6194     &use_el_empty,
6195     &editor_hl_empty_ptr,               &num_editor_hl_empty,
6196     &editor_el_empty_ptr,               &num_editor_el_empty,
6197   },
6198   {
6199     NULL,
6200     NULL,
6201     NULL,                               NULL,
6202     NULL,                               NULL
6203   }
6204 };
6205
6206 static struct XY xy_directions[] =
6207 {
6208   { -1,  0 },
6209   { +1,  0 },
6210   {  0, -1 },
6211   {  0, +1 }
6212 };
6213
6214
6215 // ----------------------------------------------------------------------------
6216 // functions
6217 // ----------------------------------------------------------------------------
6218
6219 static int getMaxInfoTextLength(void)
6220 {
6221   return (SXSIZE / getFontWidth(INFOTEXT_FONT));
6222 }
6223
6224 static int getTextWidthForGadget(char *text)
6225 {
6226   if (text == NULL)
6227     return 0;
6228
6229   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
6230 }
6231
6232 static int getTextWidthForDrawingArea(char *text)
6233 {
6234   if (text == NULL)
6235     return 0;
6236
6237   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_TEXT_DISTANCE);
6238 }
6239
6240 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
6241 {
6242   return (gi->x + gi->width + getTextWidthForGadget(text));
6243 }
6244
6245 static char *getElementInfoText(int element)
6246 {
6247   char *info_text = NULL;
6248
6249   if (element < MAX_NUM_ELEMENTS)
6250   {
6251     if (strlen(element_info[element].description) > 0)
6252       info_text = element_info[element].description;
6253     else if (element_info[element].custom_description != NULL)
6254       info_text = element_info[element].custom_description;
6255     else if (element_info[element].editor_description != NULL)
6256       info_text = element_info[element].editor_description;
6257   }
6258
6259   if (info_text == NULL)
6260     info_text = INFOTEXT_UNKNOWN_ELEMENT;
6261
6262   return info_text;
6263 }
6264
6265 static char *getElementDescriptionFilenameExt(char *basename)
6266 {
6267   char *elements_subdir = ELEMENTS_DIRECTORY;
6268   static char *elements_subdir2 = NULL;
6269   static char *filename = NULL;
6270
6271   if (elements_subdir2 == NULL)
6272     elements_subdir2 = getPath2(DOCS_DIRECTORY, elements_subdir);
6273
6274   checked_free(filename);
6275
6276   // 1st try: look for element description in current level set directory
6277   filename = getPath3(getCurrentLevelDir(), elements_subdir2, basename);
6278   if (fileExists(filename))
6279     return filename;
6280
6281   free(filename);
6282
6283   // 2nd try: look for element description in the game's base directory
6284   filename = getPath3(options.docs_directory, elements_subdir, basename);
6285   if (fileExists(filename))
6286     return filename;
6287
6288   return NULL;
6289 }
6290
6291 static char *getElementDescriptionFilename(int element)
6292 {
6293   char basename[MAX_FILENAME_LEN];
6294   char *filename;
6295
6296   // 1st try: look for element description file for exactly this element
6297   sprintf(basename, "%s.txt", element_info[element].token_name);
6298   filename = getElementDescriptionFilenameExt(basename);
6299   if (filename != NULL)
6300     return filename;
6301
6302   // 2nd try: look for element description file for this element's class
6303   sprintf(basename, "%s.txt", element_info[element].class_name);
6304   filename = getElementDescriptionFilenameExt(basename);
6305   if (filename != NULL)
6306     return filename;
6307
6308   // 3rd try: look for generic fallback text file for any element
6309   filename = getElementDescriptionFilenameExt(FALLBACK_TEXT_FILENAME);
6310   if (filename != NULL)
6311     return filename;
6312
6313   return NULL;
6314 }
6315
6316 static boolean suppressBorderElement(void)
6317 {
6318   return (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
6319           lev_fieldx <= MAX_ED_FIELDX &&
6320           lev_fieldy <= MAX_ED_FIELDY);
6321 }
6322
6323 static void InitDynamicEditorElementList(int **elements, int *num_elements)
6324 {
6325   boolean element_found[NUM_FILE_ELEMENTS];
6326   int i, x, y;
6327
6328   // initialize list of used elements to "not used"
6329   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6330     element_found[i] = FALSE;
6331
6332   // find all elements used in current level
6333   for (y = 0; y < lev_fieldy; y++)
6334   {
6335     for (x = 0; x < lev_fieldx; x++)
6336     {
6337       if (Tile[x][y] >= NUM_FILE_ELEMENTS)      // should never happen
6338         continue;
6339
6340       if (IS_MM_WALL(Tile[x][y]))
6341         element_found[map_mm_wall_element(Tile[x][y])] = TRUE;
6342       else
6343         element_found[Tile[x][y]] = TRUE;
6344     }
6345   }
6346
6347   *num_elements = 0;
6348
6349   // count number of elements used in current level
6350   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6351     if (element_found[i])
6352       (*num_elements)++;
6353
6354   // add space for up to 3 more elements for padding that may be needed
6355   *num_elements += 3;
6356
6357   // free memory for old list of elements, if needed
6358   checked_free(*elements);
6359
6360   // allocate memory for new list of elements
6361   *elements = checked_malloc(*num_elements * sizeof(int));
6362
6363   *num_elements = 0;
6364
6365   // add all elements used in current level (non-custom/group/empty elements)
6366   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6367     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) ||
6368                               IS_GROUP_ELEMENT(i) ||
6369                               IS_EMPTY_ELEMENT(i)))
6370       (*elements)[(*num_elements)++] = i;
6371
6372   // add all elements used in current level (custom/group/empty elements)
6373   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6374     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) ||
6375                              IS_GROUP_ELEMENT(i) ||
6376                              IS_EMPTY_ELEMENT(i)))
6377       (*elements)[(*num_elements)++] = i;
6378
6379   while (*num_elements % 4)     // pad with empty elements, if needed
6380     (*elements)[(*num_elements)++] = EL_EMPTY;
6381 }
6382
6383 static void ReinitializeElementList_EnableSections(void)
6384 {
6385   // default: enable all element sections
6386
6387   setup_editor_el_players               = TRUE;
6388   setup_editor_el_boulderdash           = TRUE;
6389   setup_editor_el_boulderdash_native    = TRUE;
6390   setup_editor_el_emerald_mine          = TRUE;
6391   setup_editor_el_emerald_mine_club     = TRUE;
6392   setup_editor_el_more                  = TRUE;
6393   setup_editor_el_sokoban               = TRUE;
6394   setup_editor_el_supaplex              = TRUE;
6395   setup_editor_el_diamond_caves         = TRUE;
6396   setup_editor_el_dx_boulderdash        = TRUE;
6397   setup_editor_el_mirror_magic          = TRUE;
6398   setup_editor_el_deflektor             = TRUE;
6399   setup_editor_el_chars                 = TRUE;
6400   setup_editor_el_steel_chars           = TRUE;
6401
6402   setup_editor_el_custom                = TRUE;
6403   setup_editor_el_user_defined          = TRUE;
6404   setup_editor_el_dynamic               = TRUE;
6405
6406   // now disable all element sections not to be displayed
6407
6408   if (!setup.editor.el_classic)
6409   {
6410     setup_editor_el_players             = FALSE;
6411     setup_editor_el_boulderdash         = FALSE;
6412     setup_editor_el_boulderdash_native  = FALSE;
6413     setup_editor_el_emerald_mine        = FALSE;
6414     setup_editor_el_emerald_mine_club   = FALSE;
6415     setup_editor_el_more                = FALSE;
6416     setup_editor_el_sokoban             = FALSE;
6417     setup_editor_el_supaplex            = FALSE;
6418     setup_editor_el_diamond_caves       = FALSE;
6419     setup_editor_el_dx_boulderdash      = FALSE;
6420     setup_editor_el_mirror_magic        = FALSE;
6421     setup_editor_el_deflektor           = FALSE;
6422     setup_editor_el_chars               = FALSE;
6423     setup_editor_el_steel_chars         = FALSE;
6424   }
6425
6426   if (!setup.editor.el_custom)
6427   {
6428     setup_editor_el_custom              = FALSE;
6429   }
6430
6431   if (!setup.editor.el_user_defined)
6432   {
6433     setup_editor_el_user_defined        = FALSE;
6434   }
6435
6436   if (!setup.editor.el_dynamic)
6437   {
6438     setup_editor_el_dynamic             = FALSE;
6439   }
6440
6441   if (level.game_engine_type == GAME_ENGINE_TYPE_RND)
6442   {
6443     setup_editor_el_boulderdash_native  = FALSE;
6444     setup_editor_el_mirror_magic        = FALSE;
6445     setup_editor_el_deflektor           = FALSE;
6446   }
6447   else if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
6448   {
6449     setup_editor_el_players             = FALSE;
6450     setup_editor_el_boulderdash         = FALSE;
6451     setup_editor_el_emerald_mine        = FALSE;
6452     setup_editor_el_emerald_mine_club   = FALSE;
6453     setup_editor_el_more                = FALSE;
6454     setup_editor_el_sokoban             = FALSE;
6455     setup_editor_el_supaplex            = FALSE;
6456     setup_editor_el_diamond_caves       = FALSE;
6457     setup_editor_el_dx_boulderdash      = FALSE;
6458     setup_editor_el_mirror_magic        = FALSE;
6459     setup_editor_el_deflektor           = FALSE;
6460     setup_editor_el_chars               = FALSE;
6461     setup_editor_el_steel_chars         = FALSE;
6462
6463     setup_editor_el_custom              = FALSE;
6464   }
6465   else if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
6466   {
6467     setup_editor_el_boulderdash         = FALSE;
6468     setup_editor_el_boulderdash_native  = FALSE;
6469     setup_editor_el_more                = FALSE;
6470     setup_editor_el_sokoban             = FALSE;
6471     setup_editor_el_supaplex            = FALSE;
6472     setup_editor_el_diamond_caves       = FALSE;
6473     setup_editor_el_dx_boulderdash      = FALSE;
6474     setup_editor_el_mirror_magic        = FALSE;
6475     setup_editor_el_deflektor           = FALSE;
6476     setup_editor_el_steel_chars         = FALSE;
6477
6478     setup_editor_el_custom              = FALSE;
6479   }
6480   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
6481   {
6482     setup_editor_el_players             = FALSE;
6483     setup_editor_el_boulderdash         = FALSE;
6484     setup_editor_el_boulderdash_native  = FALSE;
6485     setup_editor_el_emerald_mine        = FALSE;
6486     setup_editor_el_emerald_mine_club   = FALSE;
6487     setup_editor_el_more                = FALSE;
6488     setup_editor_el_sokoban             = FALSE;
6489     setup_editor_el_diamond_caves       = FALSE;
6490     setup_editor_el_dx_boulderdash      = FALSE;
6491     setup_editor_el_mirror_magic        = FALSE;
6492     setup_editor_el_deflektor           = FALSE;
6493     setup_editor_el_chars               = FALSE;
6494     setup_editor_el_steel_chars         = FALSE;
6495
6496     setup_editor_el_custom              = FALSE;
6497   }
6498   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
6499   {
6500     setup_editor_el_players             = FALSE;
6501     setup_editor_el_boulderdash         = FALSE;
6502     setup_editor_el_boulderdash_native  = FALSE;
6503     setup_editor_el_emerald_mine        = FALSE;
6504     setup_editor_el_emerald_mine_club   = FALSE;
6505     setup_editor_el_more                = FALSE;
6506     setup_editor_el_sokoban             = FALSE;
6507     setup_editor_el_supaplex            = FALSE;
6508     setup_editor_el_diamond_caves       = FALSE;
6509     setup_editor_el_dx_boulderdash      = FALSE;
6510     setup_editor_el_steel_chars         = FALSE;
6511
6512     setup_editor_el_custom              = FALSE;
6513   }
6514 }
6515
6516 static void ReinitializeElementList(void)
6517 {
6518   static boolean initialization_needed = TRUE;
6519   int pos = 0;
6520   int i, j;
6521
6522   ReinitializeElementList_EnableSections();
6523
6524   if (initialization_needed)
6525   {
6526     LoadSetup_EditorCascade();          // load last editor cascade state
6527
6528     // initialize editor cascade element from saved cascade state
6529     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6530     {
6531       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
6532       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
6533
6534       if (IS_EDITOR_CASCADE(*cascade_element))
6535         *cascade_element =
6536           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
6537            EL_CASCADE_INACTIVE(*cascade_element));
6538     }
6539
6540     initialization_needed = FALSE;
6541   }
6542
6543   checked_free(editor_elements);
6544
6545   // reload optional user defined element list for each invocation of editor
6546   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
6547                                    &num_editor_el_user_defined);
6548
6549   // initialize dynamic level element list for each invocation of editor
6550   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
6551                                &num_editor_el_dynamic);
6552
6553   // initialize list of empty elements (used for padding, if needed)
6554   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
6555     editor_el_empty[i] = EL_EMPTY;
6556
6557   // do some sanity checks for each element from element list
6558   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6559   {
6560     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
6561     {
6562       int element = (*editor_elements_info[i].element_list)[j];
6563
6564       if (element >= NUM_FILE_ELEMENTS)
6565         Warn("editor element %d is runtime element", element);
6566
6567       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
6568         Warn("no element description text for element %d", element);
6569     }
6570   }
6571
6572   num_editor_elements = 0;
6573   use_el_empty = FALSE;
6574
6575   // determine size of element list
6576   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6577   {
6578     if (*editor_elements_info[i].setup_value)
6579     {
6580       boolean found_inactive_cascade = FALSE;
6581
6582       if (setup.editor.el_headlines)
6583       {
6584         // required for correct padding of palette headline buttons
6585         if (*editor_elements_info[i].headline_list_size > 0)
6586           num_editor_elements += ED_ELEMENTLIST_COLS;
6587
6588         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
6589         {
6590           int element = (*editor_elements_info[i].headline_list)[j];
6591
6592           if (IS_EDITOR_CASCADE_INACTIVE(element))
6593             found_inactive_cascade = TRUE;
6594         }
6595       }
6596
6597       if (found_inactive_cascade)
6598         continue;
6599
6600       // required for correct padding of palette element buttons
6601       int element_list_size = *editor_elements_info[i].element_list_size;
6602       int element_rows =
6603         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
6604       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
6605
6606       num_editor_elements += element_buttons;
6607     }
6608   }
6609
6610   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
6611   {
6612     // offer at least as many elements as element buttons exist
6613     use_el_empty = TRUE;
6614     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
6615
6616     num_editor_elements += num_editor_el_empty;
6617   }
6618   else
6619   {
6620     num_editor_el_empty = 0;
6621   }
6622
6623   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
6624
6625   // fill element list
6626   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6627   {
6628     boolean found_inactive_cascade = FALSE;
6629
6630     if (*editor_elements_info[i].setup_value)
6631     {
6632       if (setup.editor.el_headlines)
6633       {
6634         // required for correct padding of palette headline buttons
6635         int headline_size = (*editor_elements_info[i].headline_list_size > 0 ?
6636                              ED_ELEMENTLIST_COLS : 0);
6637
6638         for (j = 0; j < headline_size; j++)
6639         {
6640           // use empty elements for padding of palette headline buttons
6641           int element = (j < *editor_elements_info[i].headline_list_size ?
6642                          (*editor_elements_info[i].headline_list)[j] :
6643                          editor_el_empty[0]);
6644
6645           editor_elements[pos++] = element;
6646
6647           if (IS_EDITOR_CASCADE_INACTIVE(element))
6648             found_inactive_cascade = TRUE;
6649         }
6650       }
6651
6652       if (found_inactive_cascade)
6653         continue;
6654
6655       // required for correct padding of palette element buttons
6656       int element_list_size = *editor_elements_info[i].element_list_size;
6657       int element_rows =
6658         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
6659       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
6660
6661       // copy all elements from element list
6662       for (j = 0; j < element_list_size; j++)
6663         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
6664
6665       // use empty elements for padding of palette element buttons
6666       for (j = 0; j < element_buttons - element_list_size; j++)
6667         editor_elements[pos++] = editor_el_empty[0];
6668     }
6669   }
6670
6671   // (this function is also called before editor gadgets are initialized!)
6672   AdjustElementListScrollbar();
6673 }
6674
6675 void PrintEditorElementList(void)
6676 {
6677   boolean *stop = &setup_editor_el_user_defined;
6678   int i, j;
6679
6680   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
6681   {
6682     int cascade_element = (*editor_elements_info[i].headline_list)[0];
6683
6684     if (IS_EDITOR_CASCADE(cascade_element))
6685     {
6686       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
6687       char *headline = element_info[cascade_element_show].editor_description;
6688
6689       PrintLineWithPrefix("# ", "-", 77);
6690       Print("# %s\n", headline);
6691       PrintLineWithPrefix("# ", "-", 77);
6692     }
6693
6694     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
6695     {
6696       int element = (*editor_elements_info[i].headline_list)[j];
6697
6698       if (IS_EDITOR_CASCADE(element))
6699         element = EL_CHAR_MINUS;
6700
6701       Print("# %s\n", element_info[element].token_name);
6702     }
6703
6704     if (j > 0)
6705       Print("#\n");
6706
6707     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
6708     {
6709       int element = (*editor_elements_info[i].element_list)[j];
6710
6711       Print("# %s\n", element_info[element].token_name);
6712     }
6713
6714     if (j > 0)
6715       Print("#\n");
6716   }
6717 }
6718
6719 static void ReinitializeElementListButtons(void)
6720 {
6721   static boolean last_setup_value_headlines = FALSE;
6722   static boolean initialization_needed = TRUE;
6723   int i;
6724
6725   if (!initialization_needed)   // check if editor element setup has changed
6726   {
6727     if (last_setup_value_headlines != setup.editor.el_headlines)
6728       initialization_needed = TRUE;
6729
6730     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6731       if (editor_elements_info[i].last_setup_value !=
6732           *editor_elements_info[i].setup_value)
6733         initialization_needed = TRUE;
6734   }
6735
6736   if (!initialization_needed)
6737     return;
6738
6739   FreeLevelEditorGadgets();
6740   CreateLevelEditorGadgets();
6741
6742   // store current setup values for next invocation of this function
6743   last_setup_value_headlines = setup.editor.el_headlines;
6744   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6745     editor_elements_info[i].last_setup_value =
6746       *editor_elements_info[i].setup_value;
6747
6748   initialization_needed = FALSE;
6749 }
6750
6751 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
6752                               boolean input)
6753 {
6754   int border_graphic =
6755     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
6756   struct GraphicInfo *g = &graphic_info[border_graphic];
6757   Bitmap *src_bitmap = g->bitmap;
6758   int src_x = g->src_x;
6759   int src_y = g->src_y;
6760   int border_size = g->border_size;
6761   int border_xpos = g->width  - border_size;
6762   int border_ypos = g->height - border_size;
6763   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
6764   int i;
6765
6766   BlitBitmap(src_bitmap, drawto, src_x, src_y,
6767              border_size, border_size,
6768              dest_x - border_size, dest_y - border_size);
6769   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y,
6770              border_size, border_size,
6771              dest_x + width, dest_y - border_size);
6772   BlitBitmap(src_bitmap, drawto, src_x, src_y + border_ypos,
6773              border_size, border_size,
6774              dest_x - border_size, dest_y + height);
6775   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_ypos,
6776              border_size, border_size,
6777              dest_x + width, dest_y + height);
6778
6779   for (i = 0; i < width / tilesize; i++)
6780   {
6781     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y,
6782                tilesize, border_size,
6783                dest_x + i * tilesize, dest_y - border_size);
6784     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y + border_ypos,
6785                tilesize, border_size,
6786                dest_x + i * tilesize, dest_y + height);
6787   }
6788
6789   for (i = 0; i < height / tilesize; i++)
6790   {
6791     BlitBitmap(src_bitmap, drawto, src_x, src_y + border_size,
6792                border_size, tilesize,
6793                dest_x - border_size, dest_y + i * tilesize);
6794     BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_size,
6795                border_size, tilesize,
6796                dest_x + width, dest_y + i * tilesize);
6797   }
6798
6799   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
6800 }
6801
6802 static void DrawEditorLevelBorderLine(int x, int y, int xsize, int ysize)
6803 {
6804   int xsize_tile = MAX(ed_tilesize, xsize);
6805   int ysize_tile = MAX(ed_tilesize, ysize);
6806   int xsize_full = xsize + 1;
6807   int ysize_full = ysize + 1;
6808   int xsize_thin = (xsize < ed_tilesize ? 1 : xsize);
6809   int ysize_thin = (ysize < ed_tilesize ? 1 : ysize);
6810   Pixel line_color = getTabulatorBarColor();
6811
6812   if (line_color == BLACK_PIXEL)                // black => transparent
6813     return;
6814
6815   FillRectangle(drawto, SX + x, SY + y, xsize_tile, ysize_tile, BLACK_PIXEL);
6816   FillRectangle(drawto, SX + x, SY + y, xsize_full, ysize_full, line_color);
6817   FillRectangle(drawto, SX + x, SY + y, xsize_thin, ysize_thin, BLACK_PIXEL);
6818 }
6819
6820 static void DrawEditorLevelBorderLinesIfNeeded(void)
6821 {
6822   int xsize = lev_fieldx * ed_tilesize;
6823   int ysize = lev_fieldy * ed_tilesize;
6824   int line_size = getTabulatorBarHeight();
6825
6826   if (!suppressBorderElement())
6827     return;
6828
6829   // draw little border line around editable level playfield
6830
6831   if (xsize < SXSIZE)
6832     DrawEditorLevelBorderLine(xsize, 0, line_size, ysize);
6833
6834   if (ysize < SYSIZE)
6835     DrawEditorLevelBorderLine(0, ysize, xsize, line_size);
6836
6837   if (xsize < SXSIZE && ysize < SYSIZE)
6838     DrawEditorLevelBorderLine(xsize, ysize, line_size, line_size);
6839 }
6840
6841 static void DrawEditorElement(int x, int y, int element)
6842 {
6843   DrawSizedElement(x, y, element, ed_tilesize);
6844 }
6845
6846 static void DrawEditorElementThruMask(int x, int y, int element)
6847 {
6848   DrawSizedElementThruMask(x, y, element, ed_tilesize);
6849 }
6850
6851 static void DrawEditorElementOrWall(int x, int y, int scroll_x, int scroll_y)
6852 {
6853   DrawSizedElementOrWall(x, y, scroll_x, scroll_y, ed_tilesize);
6854 }
6855
6856 static void DrawEditorLevel(int size_x, int size_y, int scroll_x, int scroll_y)
6857 {
6858   DrawSizedLevel(size_x, size_y, scroll_x, scroll_y, ed_tilesize);
6859   DrawEditorLevelBorderLinesIfNeeded();
6860 }
6861
6862 static void DrawDrawingArea(int id)
6863 {
6864   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
6865   int x, y;
6866
6867   int *value = drawingarea_info[id].value;
6868   int area_xsize = drawingarea_info[id].area_xsize;
6869   int area_ysize = drawingarea_info[id].area_ysize;
6870   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
6871
6872   for (x = 0; x < area_xsize; x++)
6873     for (y = 0; y < area_ysize; y++)
6874       DrawSizedGraphicExt(drawto,
6875                           gi->x + x * tilesize,
6876                           gi->y + y * tilesize,
6877                           el2edimg(value[x * area_ysize + y]), 0, tilesize);
6878 }
6879
6880 static void ScrollEditorLevel(int from_x, int from_y, int scroll)
6881 {
6882   int x, y;
6883   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
6884   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
6885
6886   BlitBitmap(drawto, drawto,
6887              SX + (dx == -1 ? ed_tilesize : 0),
6888              SY + (dy == -1 ? ed_tilesize : 0),
6889              (ed_fieldx * ed_tilesize) - (dx != 0 ? ed_tilesize : 0),
6890              (ed_fieldy * ed_tilesize) - (dy != 0 ? ed_tilesize : 0),
6891              SX + (dx == +1 ? ed_tilesize : 0),
6892              SY + (dy == +1 ? ed_tilesize : 0));
6893
6894   if (dx)
6895   {
6896     x = (dx == 1 ? 0 : ed_fieldx - 1);
6897     for (y = 0; y < ed_fieldy; y++)
6898       DrawEditorElementOrWall(x, y, from_x, from_y);
6899   }
6900   else if (dy)
6901   {
6902     y = (dy == 1 ? 0 : ed_fieldy - 1);
6903     for (x = 0; x < ed_fieldx; x++)
6904       DrawEditorElementOrWall(x, y, from_x, from_y);
6905   }
6906
6907   redraw_mask |= REDRAW_FIELD;
6908   BackToFront();
6909 }
6910
6911 static void getEditorGraphicSource(int element, int tile_size, Bitmap **bitmap,
6912                                    int *x, int *y)
6913 {
6914   getSizedGraphicSource(el2edimg(element), 0, tile_size, bitmap, x, y);
6915 }
6916
6917 static void CreateControlButtons(void)
6918 {
6919   struct GadgetInfo *gi;
6920   int i;
6921
6922   // create toolbox buttons
6923   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
6924   {
6925     int type_id = controlbutton_info[i].gadget_id;      // same as gadget ID here
6926     int id = controlbutton_info[i].gadget_id;
6927     int type = controlbutton_info[i].gadget_type;
6928     int graphic = controlbutton_info[i].graphic;
6929     struct XYTileSize *pos = controlbutton_info[i].pos;
6930     struct GraphicInfo *gd = &graphic_info[graphic];
6931     Bitmap *deco_bitmap = NULL;
6932     int deco_x = 0, deco_y = 0, deco_xpos = 0, deco_ypos = 0;
6933     int tile_size = 0, deco_shift = 0;
6934     boolean deco_masked = FALSE;
6935     int gd_x1 = gd->src_x;
6936     int gd_y1 = gd->src_y;
6937     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6938     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6939     int gd_x1a = gd->src_x + gd->active_xoffset;
6940     int gd_y1a = gd->src_y + gd->active_yoffset;
6941     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
6942     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
6943     int x = pos->x;
6944     int y = pos->y;
6945     unsigned int event_mask;
6946     int radio_button_nr = RADIO_NR_NONE;
6947     boolean checked = FALSE;
6948
6949     if (type_id != i)
6950       Fail("'controlbutton_info' structure corrupted at index %d -- please fix", i);
6951
6952     if (type == GD_TYPE_RADIO_BUTTON)
6953     {
6954       event_mask = GD_EVENT_PRESSED;
6955       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
6956
6957       if (id == drawing_function)
6958         checked = TRUE;
6959     }
6960     else
6961     {
6962       if (id == GADGET_ID_WRAP_LEFT ||
6963           id == GADGET_ID_WRAP_RIGHT ||
6964           id == GADGET_ID_WRAP_UP ||
6965           id == GADGET_ID_WRAP_DOWN)
6966         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6967       else
6968         event_mask = GD_EVENT_RELEASED;
6969     }
6970
6971     if (id == GADGET_ID_PROPERTIES ||
6972         id == GADGET_ID_PALETTE)
6973     {
6974       x += DX;
6975       y += DY;
6976     }
6977     else if (id == GADGET_ID_ELEMENT_LEFT ||
6978              id == GADGET_ID_ELEMENT_MIDDLE ||
6979              id == GADGET_ID_ELEMENT_RIGHT)
6980     {
6981       x += DX;
6982       y += DY;
6983
6984       int element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
6985                      id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
6986                      id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 : EL_EMPTY);
6987
6988       tile_size = BUTTON_TILE_SIZE(id == GADGET_ID_ELEMENT_LEFT ?
6989                                    editor.button.element_left.tile_size :
6990                                    id == GADGET_ID_ELEMENT_MIDDLE ?
6991                                    editor.button.element_middle.tile_size :
6992                                    id == GADGET_ID_ELEMENT_RIGHT ?
6993                                    editor.button.element_right.tile_size : 0);
6994
6995       // make sure that decoration does not overlap gadget border
6996       tile_size = MIN(tile_size, MIN(gd->width, gd->height));
6997
6998       getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x,&deco_y);
6999
7000       deco_xpos = (gd->width  - tile_size) / 2;
7001       deco_ypos = (gd->height - tile_size) / 2;
7002       deco_shift = 1;
7003       deco_masked = gd->draw_masked;
7004     }
7005     else
7006     {
7007       x += EX;
7008       y += EY;
7009     }
7010
7011     gi = CreateGadget(GDI_CUSTOM_ID, id,
7012                       GDI_CUSTOM_TYPE_ID, type_id,
7013                       GDI_IMAGE_ID, graphic,
7014                       GDI_INFO_TEXT, controlbutton_info[i].infotext,
7015                       GDI_X, x,
7016                       GDI_Y, y,
7017                       GDI_WIDTH, gd->width,
7018                       GDI_HEIGHT, gd->height,
7019                       GDI_TYPE, type,
7020                       GDI_STATE, GD_BUTTON_UNPRESSED,
7021                       GDI_RADIO_NR, radio_button_nr,
7022                       GDI_CHECKED, checked,
7023                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7024                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7025                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7026                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
7027                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
7028                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
7029                       GDI_DECORATION_SIZE, tile_size, tile_size,
7030                       GDI_DECORATION_SHIFTING, deco_shift, deco_shift,
7031                       GDI_DECORATION_MASKED, deco_masked,
7032                       GDI_EVENT_MASK, event_mask,
7033                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7034                       GDI_CALLBACK_ACTION, HandleControlButtons,
7035                       GDI_END);
7036
7037     if (gi == NULL)
7038       Fail("cannot create gadget");
7039
7040     level_editor_gadget[id] = gi;
7041   }
7042
7043   // these values are not constant, but can change at runtime
7044   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
7045   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
7046   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
7047   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
7048   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
7049   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
7050   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
7051   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
7052   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].x    = ED_SCROLL2_UP_XPOS;
7053   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].y    = ED_SCROLL2_UP_YPOS;
7054   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].x  = ED_SCROLL2_DOWN_XPOS;
7055   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].y  = ED_SCROLL2_DOWN_YPOS;
7056
7057   // create buttons for scrolling of drawing area and element list
7058   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
7059   {
7060     int id = scrollbutton_info[i].gadget_id;
7061     int type_id = scrollbutton_info[i].gadget_type_id;
7062     int graphic = scrollbutton_info[i].graphic;
7063     struct GraphicInfo *gd = &graphic_info[graphic];
7064     Bitmap *gd_bitmap = gd->bitmap;
7065     int gd_x1 = gd->src_x;
7066     int gd_y1 = gd->src_y;
7067     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7068     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7069     int width  = gd->width;
7070     int height = gd->height;
7071     int x = scrollbutton_pos[i].x;
7072     int y = scrollbutton_pos[i].y;
7073     unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
7074
7075     if (type_id != i)
7076       Fail("'scrollbutton_info' structure corrupted at index %d -- please fix", i);
7077
7078     if (id == GADGET_ID_SCROLL_LIST_UP ||
7079         id == GADGET_ID_SCROLL_LIST_DOWN)
7080     {
7081       x += PX;
7082       y += PY;
7083     }
7084     else
7085     {
7086       x += SX;
7087       y += SY;
7088     }
7089
7090     gi = CreateGadget(GDI_CUSTOM_ID, id,
7091                       GDI_CUSTOM_TYPE_ID, type_id,
7092                       GDI_IMAGE_ID, graphic,
7093                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
7094                       GDI_X, x,
7095                       GDI_Y, y,
7096                       GDI_WIDTH, width,
7097                       GDI_HEIGHT, height,
7098                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7099                       GDI_STATE, GD_BUTTON_UNPRESSED,
7100                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
7101                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
7102                       GDI_EVENT_MASK, event_mask,
7103                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7104                       GDI_CALLBACK_ACTION, HandleControlButtons,
7105                       GDI_END);
7106
7107     if (gi == NULL)
7108       Fail("cannot create gadget");
7109
7110     level_editor_gadget[id] = gi;
7111   }
7112
7113   // create buttons for element list
7114   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7115   {
7116     int type_id = i;
7117     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
7118     int graphic = IMG_EDITOR_PALETTE_BUTTON;
7119     struct GraphicInfo *gd = &graphic_info[graphic];
7120     Bitmap *gd_bitmap = gd->bitmap;
7121     Bitmap *deco_bitmap;
7122     int deco_x, deco_y, deco_xpos, deco_ypos;
7123     int gd_x1 = gd->src_x;
7124     int gd_y1 = gd->src_y;
7125     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7126     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7127     int xx = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
7128     int yy = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
7129     int x = PX + ED_ELEMENTLIST_XPOS + xx * gd->width;
7130     int y = PY + ED_ELEMENTLIST_YPOS + yy * gd->height;
7131     int element = editor_elements[i];
7132     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
7133     unsigned int event_mask = GD_EVENT_RELEASED;
7134
7135     getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
7136
7137     deco_xpos = (gd->width  - tile_size) / 2;
7138     deco_ypos = (gd->height - tile_size) / 2;
7139
7140     gi = CreateGadget(GDI_CUSTOM_ID, id,
7141                       GDI_CUSTOM_TYPE_ID, type_id,
7142                       GDI_IMAGE_ID, graphic,
7143                       GDI_INFO_TEXT, getElementInfoText(element),
7144                       GDI_X, x,
7145                       GDI_Y, y,
7146                       GDI_WIDTH, gd->width,
7147                       GDI_HEIGHT, gd->height,
7148                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7149                       GDI_STATE, GD_BUTTON_UNPRESSED,
7150                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
7151                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
7152                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
7153                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
7154                       GDI_DECORATION_SIZE, tile_size, tile_size,
7155                       GDI_DECORATION_SHIFTING, 1, 1,
7156                       GDI_EVENT_MASK, event_mask,
7157                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7158                       GDI_CALLBACK_ACTION, HandleControlButtons,
7159                       GDI_END);
7160
7161     if (gi == NULL)
7162       Fail("cannot create gadget");
7163
7164     level_editor_gadget[id] = gi;
7165   }
7166 }
7167
7168 static void CreateCounterButtons(void)
7169 {
7170   int max_infotext_len = getMaxInfoTextLength();
7171   int i;
7172
7173   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
7174   {
7175     int type_id = counterbutton_info[i].gadget_type_id;
7176     int x = SX + ED_SETTINGS_X(counterbutton_info[i].x); // down count button
7177     int y = SY + ED_SETTINGS_Y(counterbutton_info[i].y);
7178     int j;
7179
7180     if (type_id != i)
7181       Fail("'counterbutton_info' structure corrupted at index %d -- please fix", i);
7182
7183     // determine horizontal position to the right of specified gadget
7184     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
7185       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
7186            ED_GADGET_TEXT_DISTANCE);
7187
7188     // determine horizontal offset for leading text
7189     if (counterbutton_info[i].text_left != NULL)
7190       x += getTextWidthForGadget(counterbutton_info[i].text_left);
7191
7192     for (j = 0; j < 2; j++)
7193     {
7194       struct GadgetInfo *gi;
7195       int id = (j == 0 ?
7196                 counterbutton_info[i].gadget_id_down :
7197                 counterbutton_info[i].gadget_id_up);
7198       int graphic;
7199       struct GraphicInfo *gd;
7200       int gd_x1, gd_x2, gd_y1, gd_y2;
7201       unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
7202       char infotext[max_infotext_len + 1];
7203
7204       if (i == ED_COUNTER_ID_SELECT_LEVEL)
7205       {
7206         graphic = (j == 0 ?
7207                    IMG_GFX_EDITOR_BUTTON_PREV_LEVEL :
7208                    IMG_GFX_EDITOR_BUTTON_NEXT_LEVEL);
7209
7210         event_mask |= GD_EVENT_RELEASED;
7211
7212         if (j == 0)
7213         {
7214           x = DX + editor.button.prev_level.x;
7215           y = DY + editor.button.prev_level.y;
7216         }
7217         else
7218         {
7219           x = DX + editor.button.next_level.x;
7220           y = DY + editor.button.next_level.y;
7221         }
7222       }
7223       else
7224       {
7225         graphic = (j == 0 ?
7226                    IMG_EDITOR_COUNTER_DOWN :
7227                    IMG_EDITOR_COUNTER_UP);
7228       }
7229
7230       gd = &graphic_info[graphic];
7231
7232       gd_x1 = gd->src_x;
7233       gd_y1 = gd->src_y;
7234       gd_x2 = gd->src_x + gd->pressed_xoffset;
7235       gd_y2 = gd->src_y + gd->pressed_yoffset;
7236
7237       sprintf(infotext, "%s counter value by 1, 5 or 10",
7238               (j == 0 ? "decrease" : "increase"));
7239
7240       gi = CreateGadget(GDI_CUSTOM_ID, id,
7241                         GDI_CUSTOM_TYPE_ID, type_id,
7242                         GDI_IMAGE_ID, graphic,
7243                         GDI_INFO_TEXT, infotext,
7244                         GDI_X, x,
7245                         GDI_Y, y,
7246                         GDI_WIDTH, gd->width,
7247                         GDI_HEIGHT, gd->height,
7248                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7249                         GDI_STATE, GD_BUTTON_UNPRESSED,
7250                         GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7251                         GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7252                         GDI_EVENT_MASK, event_mask,
7253                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7254                         GDI_CALLBACK_ACTION, HandleCounterButtons,
7255                         GDI_END);
7256
7257       if (gi == NULL)
7258         Fail("cannot create gadget");
7259
7260       level_editor_gadget[id] = gi;
7261       right_gadget_border[id] =
7262         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
7263
7264       x += gi->width + ED_GADGET_SMALL_DISTANCE;        // text count button
7265
7266       if (j == 0)
7267       {
7268         int font_type = FONT_INPUT_1;
7269         int font_type_active = FONT_INPUT_1_ACTIVE;
7270
7271         id = counterbutton_info[i].gadget_id_text;
7272
7273         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
7274
7275         if (i == ED_COUNTER_ID_SELECT_LEVEL)
7276         {
7277           graphic = IMG_GFX_EDITOR_INPUT_LEVEL_NUMBER;
7278
7279           font_type = FONT_LEVEL_NUMBER;
7280           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
7281
7282           x = DX + editor.input.level_number.x;
7283           y = DY + editor.input.level_number.y;
7284         }
7285         else
7286         {
7287           graphic = IMG_EDITOR_COUNTER_INPUT;
7288         }
7289
7290         gd = &graphic_info[graphic];
7291
7292         gd_x1 = gd->src_x;
7293         gd_y1 = gd->src_y;
7294         gd_x2 = gd->src_x + gd->active_xoffset;
7295         gd_y2 = gd->src_y + gd->active_yoffset;
7296
7297         gi = CreateGadget(GDI_CUSTOM_ID, id,
7298                           GDI_CUSTOM_TYPE_ID, type_id,
7299                           GDI_IMAGE_ID, graphic,
7300                           GDI_INFO_TEXT, "enter counter value",
7301                           GDI_X, x,
7302                           GDI_Y, y,
7303                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
7304                           GDI_NUMBER_VALUE, 0,
7305                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
7306                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
7307                           GDI_TEXT_SIZE, 3,     // minimal counter text size
7308                           GDI_TEXT_FONT, font_type,
7309                           GDI_TEXT_FONT_ACTIVE, font_type_active,
7310                           GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7311                           GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7312                           GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7313                           GDI_DESIGN_WIDTH, gd->width,
7314                           GDI_EVENT_MASK, event_mask,
7315                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7316                           GDI_CALLBACK_ACTION, HandleCounterButtons,
7317                           GDI_END);
7318
7319         if (gi == NULL)
7320           Fail("cannot create gadget");
7321
7322         level_editor_gadget[id] = gi;
7323         right_gadget_border[id] =
7324           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
7325
7326         x += gi->width + ED_GADGET_SMALL_DISTANCE;      // up count button
7327       }
7328     }
7329   }
7330 }
7331
7332 static void CreateDrawingAreas(void)
7333 {
7334   int i;
7335
7336   // these values are not constant, but can change at runtime
7337   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
7338   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
7339
7340   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
7341   {
7342     struct GadgetInfo *gi;
7343     int id = drawingarea_info[i].gadget_id;
7344     int type_id = drawingarea_info[i].gadget_type_id;
7345     int x = SX + ED_AREA_SETTINGS_X(drawingarea_info[i]);
7346     int y = SY + ED_AREA_SETTINGS_Y(drawingarea_info[i]);
7347     int area_xsize = drawingarea_info[i].area_xsize;
7348     int area_ysize = drawingarea_info[i].area_ysize;
7349     int item_size = (id == GADGET_ID_DRAWING_LEVEL ?
7350                      ed_tilesize : ED_DRAWINGAREA_TILE_SIZE);
7351     unsigned int event_mask =
7352       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
7353       GD_EVENT_OFF_BORDERS | GD_EVENT_PIXEL_PRECISE;
7354
7355     if (type_id != i)
7356       Fail("'drawingarea_info' structure corrupted at index %d -- please fix", i);
7357
7358     // determine horizontal position to the right of specified gadget
7359     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
7360       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
7361            ED_DRAWINGAREA_TEXT_DISTANCE);
7362
7363     // determine horizontal offset for leading text
7364     if (drawingarea_info[i].text_left != NULL)
7365       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
7366
7367     gi = CreateGadget(GDI_CUSTOM_ID, id,
7368                       GDI_CUSTOM_TYPE_ID, type_id,
7369                       GDI_X, x,
7370                       GDI_Y, y,
7371                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
7372                       GDI_AREA_SIZE, area_xsize, area_ysize,
7373                       GDI_ITEM_SIZE, item_size, item_size,
7374                       GDI_EVENT_MASK, event_mask,
7375                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
7376                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
7377                       GDI_END);
7378
7379     if (gi == NULL)
7380       Fail("cannot create gadget");
7381
7382     level_editor_gadget[id] = gi;
7383     right_gadget_border[id] =
7384       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
7385   }
7386 }
7387
7388 static void CreateTextInputGadgets(void)
7389 {
7390   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
7391   int max_infotext_len = getMaxInfoTextLength();
7392   int i;
7393
7394   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
7395   {
7396     int gd_x1 = gd->src_x;
7397     int gd_y1 = gd->src_y;
7398     int gd_x2 = gd->src_x + gd->active_xoffset;
7399     int gd_y2 = gd->src_y + gd->active_yoffset;
7400     struct GadgetInfo *gi;
7401     unsigned int event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
7402     char infotext[MAX_OUTPUT_LINESIZE + 1];
7403     int id = textinput_info[i].gadget_id;
7404     int type_id = textinput_info[i].gadget_type_id;
7405     int x, y;
7406
7407     if (type_id != i)
7408       Fail("'textinput_info' structure corrupted at index %d -- please fix", i);
7409
7410     if (i == ED_TEXTINPUT_ID_ELEMENT_NAME)
7411     {
7412       int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
7413       int border_size = gd->border_size;
7414       int font_nr = FONT_INPUT_1;
7415       int font_height = getFontHeight(font_nr);
7416       int xoffset = element_border + TILEX + element_border + 3 * border_size;
7417       int yoffset = element_border + (TILEY - font_height) / 2;
7418
7419       x = (editor.settings.element_name.x != -1 ?
7420            editor.settings.element_name.x :
7421            editor.settings.element_graphic.x + xoffset) - border_size;
7422       y = (editor.settings.element_name.y != -1 ?
7423            editor.settings.element_name.y :
7424            editor.settings.element_graphic.y + yoffset) - border_size;
7425     }
7426     else
7427     {
7428       x = ED_SETTINGS_X(textinput_info[i].x);
7429       y = ED_SETTINGS_Y(textinput_info[i].y);
7430     }
7431
7432     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
7433     infotext[max_infotext_len] = '\0';
7434
7435     gi = CreateGadget(GDI_CUSTOM_ID, id,
7436                       GDI_CUSTOM_TYPE_ID, type_id,
7437                       GDI_INFO_TEXT, infotext,
7438                       GDI_X, SX + x,
7439                       GDI_Y, SY + y,
7440                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
7441                       GDI_TEXT_VALUE, textinput_info[i].value,
7442                       GDI_TEXT_SIZE, textinput_info[i].size,
7443                       GDI_TEXT_FONT, FONT_INPUT_1,
7444                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
7445                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7446                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7447                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7448                       GDI_DESIGN_WIDTH, gd->width,
7449                       GDI_EVENT_MASK, event_mask,
7450                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7451                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
7452                       GDI_END);
7453
7454     if (gi == NULL)
7455       Fail("cannot create gadget");
7456
7457     level_editor_gadget[id] = gi;
7458   }
7459 }
7460
7461 static void CreateTextAreaGadgets(void)
7462 {
7463   int max_infotext_len = getMaxInfoTextLength();
7464   int i;
7465
7466   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
7467   {
7468     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXTAREA];
7469     int gd_x1 = gd->src_x;
7470     int gd_y1 = gd->src_y;
7471     int gd_x2 = gd->src_x + gd->active_xoffset;
7472     int gd_y2 = gd->src_y + gd->active_yoffset;
7473     struct GadgetInfo *gi;
7474     unsigned int event_mask = GD_EVENT_TEXT_LEAVING;
7475     char infotext[MAX_OUTPUT_LINESIZE + 1];
7476     int id = textarea_info[i].gadget_id;
7477     int type_id = textarea_info[i].gadget_type_id;
7478     int area_xsize = textarea_info[i].xsize;
7479     int area_ysize = textarea_info[i].ysize;
7480
7481     if (type_id != i)
7482       Fail("'textarea_info' structure corrupted at index %d -- please fix", i);
7483
7484     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
7485     infotext[max_infotext_len] = '\0';
7486
7487     gi = CreateGadget(GDI_CUSTOM_ID, id,
7488                       GDI_CUSTOM_TYPE_ID, type_id,
7489                       GDI_INFO_TEXT, infotext,
7490                       GDI_X, SX + ED_SETTINGS_X(textarea_info[i].x),
7491                       GDI_Y, SY + ED_SETTINGS_Y(textarea_info[i].y),
7492                       GDI_TYPE, GD_TYPE_TEXT_AREA,
7493                       GDI_AREA_SIZE, area_xsize, area_ysize,
7494                       GDI_TEXT_FONT, FONT_INPUT_1,
7495                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
7496                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7497                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7498                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7499                       GDI_DESIGN_WIDTH, gd->width,
7500                       GDI_EVENT_MASK, event_mask,
7501                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7502                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
7503                       GDI_END);
7504
7505     if (gi == NULL)
7506       Fail("cannot create gadget");
7507
7508     level_editor_gadget[id] = gi;
7509   }
7510 }
7511
7512 static void CreateSelectboxGadgets(void)
7513 {
7514   int max_infotext_len = getMaxInfoTextLength();
7515   int i, j;
7516
7517   for (i = 0; i < ED_NUM_SELECTBOX; i++)
7518   {
7519     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_SELECTBOX_INPUT];
7520     struct GraphicInfo *gd2 = &graphic_info[IMG_EDITOR_SELECTBOX_BUTTON];
7521     int gd_x1 = gd->src_x;
7522     int gd_y1 = gd->src_y;
7523     int gd_x2 = gd->src_x + gd->active_xoffset;
7524     int gd_y2 = gd->src_y + gd->active_yoffset;
7525     int selectbox_button_xsize = gd2->width;
7526     struct GadgetInfo *gi;
7527     char infotext[MAX_OUTPUT_LINESIZE + 1];
7528     int id = selectbox_info[i].gadget_id;
7529     int type_id = selectbox_info[i].gadget_type_id;
7530     int x = SX + ED_SETTINGS_X(selectbox_info[i].x);
7531     int y = SY + ED_SETTINGS_Y(selectbox_info[i].y);
7532     unsigned int event_mask =
7533       GD_EVENT_RELEASED | GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
7534
7535     if (type_id != i)
7536       Fail("'selectbox_info' structure corrupted at index %d -- please fix", i);
7537
7538     if (selectbox_info[i].size == -1)   // dynamically determine size
7539     {
7540       // (we cannot use -1 for uninitialized values if we directly compare
7541       // with results from strlen(), because the '<' and '>' operation will
7542       // implicitely cast -1 to an unsigned integer value!)
7543       selectbox_info[i].size = 0;
7544
7545       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
7546         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
7547           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
7548
7549       selectbox_info[i].size++;         // add one character empty space
7550     }
7551
7552     // determine horizontal position to the right of specified gadget
7553     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
7554       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
7555            ED_GADGET_TEXT_DISTANCE);
7556
7557     // determine horizontal offset for leading text
7558     if (selectbox_info[i].text_left != NULL)
7559       x += getTextWidthForGadget(selectbox_info[i].text_left);
7560
7561     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
7562     infotext[max_infotext_len] = '\0';
7563
7564     gi = CreateGadget(GDI_CUSTOM_ID, id,
7565                       GDI_CUSTOM_TYPE_ID, type_id,
7566                       GDI_INFO_TEXT, infotext,
7567                       GDI_X, x,
7568                       GDI_Y, y,
7569                       GDI_TYPE, GD_TYPE_SELECTBOX,
7570                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
7571                       GDI_SELECTBOX_CHAR_UNSELECTABLE, '[',
7572                       GDI_TEXT_SIZE, selectbox_info[i].size,
7573                       GDI_TEXT_FONT, FONT_INPUT_1,
7574                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
7575                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
7576                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7577                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7578                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7579                       GDI_BORDER_SIZE_SELECTBUTTON, selectbox_button_xsize,
7580                       GDI_DESIGN_WIDTH, gd->width,
7581                       GDI_EVENT_MASK, event_mask,
7582                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7583                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
7584                       GDI_END);
7585
7586     if (gi == NULL)
7587       Fail("cannot create gadget");
7588
7589     level_editor_gadget[id] = gi;
7590     right_gadget_border[id] =
7591       getRightGadgetBorder(gi, selectbox_info[i].text_right);
7592   }
7593 }
7594
7595 static void CreateTextbuttonGadgets(void)
7596 {
7597   int max_infotext_len = getMaxInfoTextLength();
7598   int i;
7599
7600   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
7601   {
7602     int id = textbutton_info[i].gadget_id;
7603     int type_id = textbutton_info[i].gadget_type_id;
7604     int is_tab_button =
7605       ((id >= GADGET_ID_LEVELCONFIG_LEVEL && id <= GADGET_ID_LEVELCONFIG_ENGINE) ||
7606        (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE));
7607     int graphic =
7608       (is_tab_button ? IMG_EDITOR_TABBUTTON : IMG_EDITOR_TEXTBUTTON);
7609     int gadget_distance =
7610       (is_tab_button ? ED_GADGET_SMALL_DISTANCE : ED_GADGET_TEXT_DISTANCE);
7611     struct GraphicInfo *gd = &graphic_info[graphic];
7612     int gd_x1 = gd->src_x;
7613     int gd_y1 = gd->src_y;
7614     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7615     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7616     int gd_x1a = gd->src_x + gd->active_xoffset;
7617     int gd_y1a = gd->src_y + gd->active_yoffset;
7618     int border_xsize = gd->border_size + gd->draw_xoffset;
7619     int border_ysize = gd->border_size;
7620     struct GadgetInfo *gi;
7621     unsigned int event_mask = GD_EVENT_RELEASED;
7622     char infotext[MAX_OUTPUT_LINESIZE + 1];
7623     int x = SX + ED_SETTINGS_X(textbutton_info[i].x);
7624     int y = SY + ED_SETTINGS_Y(textbutton_info[i].y);
7625
7626     if (type_id != i)
7627       Fail("'textbutton_info' structure corrupted at index %d -- please fix", i);
7628
7629     if (textbutton_info[i].size == -1)  // dynamically determine size
7630       textbutton_info[i].size = strlen(textbutton_info[i].text);
7631
7632     sprintf(infotext, "%s", textbutton_info[i].infotext);
7633     infotext[max_infotext_len] = '\0';
7634
7635     // determine horizontal position to the right of specified gadget
7636     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
7637     {
7638       int gadget_id_align = textbutton_info[i].gadget_id_align;
7639
7640       x = right_gadget_border[gadget_id_align] + gadget_distance;
7641
7642       if (textbutton_info[i].y == -1)
7643         y = level_editor_gadget[gadget_id_align]->y;
7644     }
7645
7646     // determine horizontal offset for leading text
7647     if (textbutton_info[i].text_left != NULL)
7648       x += getTextWidthForGadget(textbutton_info[i].text_left);
7649
7650     gi = CreateGadget(GDI_CUSTOM_ID, id,
7651                       GDI_CUSTOM_TYPE_ID, type_id,
7652                       GDI_IMAGE_ID, graphic,
7653                       GDI_INFO_TEXT, infotext,
7654                       GDI_X, x,
7655                       GDI_Y, y,
7656                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
7657                       GDI_TEXT_VALUE, textbutton_info[i].text,
7658                       GDI_TEXT_SIZE, textbutton_info[i].size,
7659                       GDI_TEXT_FONT, FONT_INPUT_2,
7660                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2_ACTIVE,
7661                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7662                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7663                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7664                       GDI_BORDER_SIZE, border_xsize, border_ysize,
7665                       GDI_DESIGN_WIDTH, gd->width,
7666                       GDI_DECORATION_SHIFTING, 1, 1,
7667                       GDI_EVENT_MASK, event_mask,
7668                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7669                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
7670                       GDI_END);
7671
7672     if (gi == NULL)
7673       Fail("cannot create gadget");
7674
7675     level_editor_gadget[id] = gi;
7676     right_gadget_border[id] =
7677       getRightGadgetBorder(gi, textbutton_info[i].text_right);
7678   }
7679 }
7680
7681 static void CreateGraphicbuttonGadgets(void)
7682 {
7683   struct GadgetInfo *gi;
7684   int i;
7685
7686   // create buttons for scrolling of drawing area and element list
7687   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
7688   {
7689     int id = graphicbutton_info[i].gadget_id;
7690     int type_id = graphicbutton_info[i].gadget_type_id;
7691     int x = SX + ED_SETTINGS_X(graphicbutton_info[i].x);
7692     int y = SY + ED_SETTINGS_Y(graphicbutton_info[i].y);
7693     int graphic = graphicbutton_info[i].graphic;
7694     struct GraphicInfo *gd = &graphic_info[graphic];
7695     int gd_x1 = gd->src_x;
7696     int gd_y1 = gd->src_y;
7697     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7698     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7699     unsigned int event_mask = GD_EVENT_RELEASED;
7700
7701     if (type_id != i)
7702       Fail("'graphicbutton_info' structure corrupted at index %d -- please fix", i);
7703
7704     // determine horizontal position to the right of specified gadget
7705     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
7706       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
7707            ED_GADGET_TEXT_DISTANCE);
7708
7709     // determine horizontal offset for leading text
7710     if (graphicbutton_info[i].text_left != NULL)
7711       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
7712
7713     gi = CreateGadget(GDI_CUSTOM_ID, id,
7714                       GDI_CUSTOM_TYPE_ID, type_id,
7715                       GDI_IMAGE_ID, graphic,
7716                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
7717                       GDI_X, x,
7718                       GDI_Y, y,
7719                       GDI_WIDTH, gd->width,
7720                       GDI_HEIGHT, gd->height,
7721                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7722                       GDI_STATE, GD_BUTTON_UNPRESSED,
7723                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7724                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7725                       GDI_EVENT_MASK, event_mask,
7726                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7727                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
7728                       GDI_END);
7729
7730     if (gi == NULL)
7731       Fail("cannot create gadget");
7732
7733     level_editor_gadget[id] = gi;
7734     right_gadget_border[id] =
7735       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
7736   }
7737 }
7738
7739 static void CreateScrollbarGadgets(void)
7740 {
7741   int i;
7742
7743   // these values are not constant, but can change at runtime
7744   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
7745     SX + ED_SCROLL_HORIZONTAL_XPOS;
7746   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
7747     SY + ED_SCROLL_HORIZONTAL_YPOS;
7748   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
7749     ED_SCROLL_HORIZONTAL_XSIZE;
7750   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
7751     ED_SCROLL_HORIZONTAL_YSIZE;
7752   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
7753   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
7754   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
7755   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
7756
7757   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
7758     SX + ED_SCROLL_VERTICAL_XPOS;
7759   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
7760     SY + ED_SCROLL_VERTICAL_YPOS;
7761   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
7762     ED_SCROLL_VERTICAL_XSIZE;
7763   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
7764     ED_SCROLL_VERTICAL_YSIZE;
7765   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
7766   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
7767   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
7768   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
7769
7770   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
7771     PX + ED_SCROLL2_VERTICAL_XPOS;
7772   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
7773     PY + ED_SCROLL2_VERTICAL_YPOS;
7774   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
7775     ED_SCROLL2_VERTICAL_XSIZE;
7776   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
7777     ED_SCROLL2_VERTICAL_YSIZE;
7778   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = PX;
7779   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = PY;
7780   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = PXSIZE;
7781   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = PYSIZE;
7782
7783   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
7784   {
7785     int id = scrollbar_info[i].gadget_id;
7786     int type_id = scrollbar_info[i].gadget_type_id;
7787     int graphic = scrollbar_info[i].graphic;
7788     struct GraphicInfo *gd = &graphic_info[graphic];
7789     int gd_x1 = gd->src_x;
7790     int gd_y1 = gd->src_y;
7791     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7792     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7793     struct GadgetInfo *gi;
7794     int items_max, items_visible, item_position;
7795     unsigned int event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
7796
7797     if (type_id != i)
7798       Fail("'scrollbar_info' structure corrupted at index %d -- please fix", i);
7799
7800     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
7801     {
7802       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
7803       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
7804       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
7805     }
7806     else        // drawing area scrollbars
7807     {
7808       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
7809       {
7810         items_max = MAX(lev_fieldx + 2, ed_fieldx);
7811         items_visible = ed_fieldx;
7812         item_position = 0;
7813       }
7814       else
7815       {
7816         items_max = MAX(lev_fieldy + 2, ed_fieldy);
7817         items_visible = ed_fieldy;
7818         item_position = 0;
7819       }
7820     }
7821
7822     gi = CreateGadget(GDI_CUSTOM_ID, id,
7823                       GDI_CUSTOM_TYPE_ID, type_id,
7824                       GDI_IMAGE_ID, graphic,
7825                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
7826                       GDI_X, scrollbar_pos[i].x,
7827                       GDI_Y, scrollbar_pos[i].y,
7828                       GDI_WIDTH, scrollbar_pos[i].width,
7829                       GDI_HEIGHT, scrollbar_pos[i].height,
7830                       GDI_TYPE, scrollbar_info[i].type,
7831                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
7832                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
7833                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
7834                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
7835                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
7836                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
7837                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
7838                       GDI_STATE, GD_BUTTON_UNPRESSED,
7839                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7840                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7841                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7842                       GDI_EVENT_MASK, event_mask,
7843                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7844                       GDI_CALLBACK_ACTION, HandleControlButtons,
7845                       GDI_END);
7846
7847     if (gi == NULL)
7848       Fail("cannot create gadget");
7849
7850     level_editor_gadget[id] = gi;
7851   }
7852 }
7853
7854 static void CreateCheckbuttonGadgets(void)
7855 {
7856   struct GadgetInfo *gi;
7857   int i;
7858
7859   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
7860   {
7861     int id = checkbutton_info[i].gadget_id;
7862     int type_id = checkbutton_info[i].gadget_type_id;
7863     int graphic = (id == GADGET_ID_STICK_ELEMENT ? IMG_EDITOR_STICKYBUTTON :
7864                    IMG_EDITOR_CHECKBOX);
7865     struct GraphicInfo *gd = &graphic_info[graphic];
7866     int gd_x1 = gd->src_x;
7867     int gd_y1 = gd->src_y;
7868     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7869     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7870     int gd_x1a = gd->src_x + gd->active_xoffset;
7871     int gd_y1a = gd->src_y + gd->active_yoffset;
7872     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
7873     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
7874     int x = SX + ED_SETTINGS_X(checkbutton_info[i].x);
7875     int y = SY + ED_SETTINGS_Y(checkbutton_info[i].y);
7876     unsigned int event_mask = GD_EVENT_PRESSED;
7877
7878     if (type_id != i)
7879       Fail("'checkbutton_info' structure corrupted at index %d -- please fix", i);
7880
7881     // determine horizontal position to the right of specified gadget
7882     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
7883       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
7884            ED_GADGET_TEXT_DISTANCE);
7885
7886     // determine horizontal offset for leading text
7887     if (checkbutton_info[i].text_left != NULL)
7888       x += getTextWidthForGadget(checkbutton_info[i].text_left);
7889
7890     gi = CreateGadget(GDI_CUSTOM_ID, id,
7891                       GDI_CUSTOM_TYPE_ID, type_id,
7892                       GDI_IMAGE_ID, graphic,
7893                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
7894                       GDI_X, x,
7895                       GDI_Y, y,
7896                       GDI_WIDTH, gd->width,
7897                       GDI_HEIGHT, gd->height,
7898                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
7899                       GDI_CHECKED, *checkbutton_info[i].value,
7900                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7901                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7902                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7903                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
7904                       GDI_EVENT_MASK, event_mask,
7905                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7906                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
7907                       GDI_END);
7908
7909     if (gi == NULL)
7910       Fail("cannot create gadget");
7911
7912     level_editor_gadget[id] = gi;
7913     right_gadget_border[id] =
7914       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
7915   }
7916 }
7917
7918 static void CreateRadiobuttonGadgets(void)
7919 {
7920   int graphic = IMG_EDITOR_RADIOBUTTON;
7921   struct GraphicInfo *gd = &graphic_info[graphic];
7922   int gd_x1 = gd->src_x;
7923   int gd_y1 = gd->src_y;
7924   int gd_x2 = gd->src_x + gd->pressed_xoffset;
7925   int gd_y2 = gd->src_y + gd->pressed_yoffset;
7926   int gd_x1a = gd->src_x + gd->active_xoffset;
7927   int gd_y1a = gd->src_y + gd->active_yoffset;
7928   int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
7929   int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
7930   struct GadgetInfo *gi;
7931   int i;
7932
7933   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
7934   {
7935     int id = radiobutton_info[i].gadget_id;
7936     int type_id = radiobutton_info[i].gadget_type_id;
7937     int x = SX + ED_SETTINGS_X(radiobutton_info[i].x);
7938     int y = SY + ED_SETTINGS_Y(radiobutton_info[i].y);
7939     unsigned int event_mask = GD_EVENT_PRESSED;
7940
7941     if (type_id != i)
7942       Fail("'radiobutton_info' structure corrupted at index %d -- please fix", i);
7943
7944     int checked =
7945       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
7946
7947     // determine horizontal position to the right of specified gadget
7948     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
7949       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
7950            ED_GADGET_TEXT_DISTANCE);
7951
7952     // determine horizontal offset for leading text
7953     if (radiobutton_info[i].text_left != NULL)
7954       x += getTextWidthForGadget(radiobutton_info[i].text_left);
7955
7956     gi = CreateGadget(GDI_CUSTOM_ID, id,
7957                       GDI_CUSTOM_TYPE_ID, type_id,
7958                       GDI_IMAGE_ID, graphic,
7959                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
7960                       GDI_X, x,
7961                       GDI_Y, y,
7962                       GDI_WIDTH, gd->width,
7963                       GDI_HEIGHT, gd->height,
7964                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
7965                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
7966                       GDI_CHECKED, checked,
7967                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7968                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7969                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7970                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
7971                       GDI_EVENT_MASK, event_mask,
7972                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7973                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
7974                       GDI_END);
7975
7976     if (gi == NULL)
7977       Fail("cannot create gadget");
7978
7979     level_editor_gadget[id] = gi;
7980     right_gadget_border[id] =
7981       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
7982   }
7983 }
7984
7985 void CreateLevelEditorGadgets(void)
7986 {
7987   // force EDITOR font inside level editor
7988   SetFontStatus(GAME_MODE_EDITOR);
7989
7990   // these values are not constant, but can change at runtime
7991   ed_fieldx = MAX_ED_FIELDX - 1;
7992   ed_fieldy = MAX_ED_FIELDY - 1;
7993
7994   num_editor_gadgets = NUM_EDITOR_GADGETS;
7995
7996   // Debug("editor", "allocating %d gadgets ...\n", num_editor_gadgets);
7997
7998   level_editor_gadget =
7999     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
8000   right_gadget_border =
8001     checked_calloc(num_editor_gadgets * sizeof(int));
8002
8003   // set number of empty (padding) element buttons to maximum number of buttons
8004   num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS;
8005
8006   editor_el_empty = checked_calloc(num_editor_el_empty * sizeof(int));
8007   editor_el_empty_ptr = editor_el_empty;
8008
8009   use_permanent_palette = !editor.palette.show_as_separate_screen;
8010
8011   InitGadgetScreenBorders(-1, INFOTEXT_YPOS);
8012
8013   ReinitializeElementList();
8014
8015   CreateControlButtons();
8016   CreateScrollbarGadgets();
8017
8018   // order of function calls is important because of cross-references
8019   CreateCheckbuttonGadgets();
8020   CreateCounterButtons();
8021   CreateRadiobuttonGadgets();
8022   CreateTextInputGadgets();
8023   CreateTextAreaGadgets();
8024   CreateSelectboxGadgets();
8025   CreateGraphicbuttonGadgets();
8026   CreateTextbuttonGadgets();
8027   CreateDrawingAreas();
8028
8029   ResetFontStatus();
8030 }
8031
8032 void FreeLevelEditorGadgets(void)
8033 {
8034   int i;
8035
8036   // Debug("editor", "freeing %d gadgets ...\n", num_editor_gadgets);
8037
8038   for (i = 0; i < num_editor_gadgets; i++)
8039   {
8040     FreeGadget(level_editor_gadget[i]);
8041
8042     level_editor_gadget[i] = NULL;
8043   }
8044
8045   checked_free(level_editor_gadget);
8046   checked_free(right_gadget_border);
8047
8048   checked_free(editor_el_empty);
8049 }
8050
8051 static void MapCounterButtons(int id)
8052 {
8053   int font_nr = FONT_TEXT_1;
8054   int font_height = getFontHeight(font_nr);
8055   int gadget_id_down = counterbutton_info[id].gadget_id_down;
8056   int gadget_id_text = counterbutton_info[id].gadget_id_text;
8057   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
8058   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
8059   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
8060   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
8061   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
8062   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8063   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8064   int yoffset = (gi_down->height - font_height) / 2;
8065   int x_left = gi_down->x - xoffset_left;
8066   int x_right;  // set after gadget position was modified
8067   int y_above = gi_down->y - yoffset_above;
8068   int x = gi_down->x;
8069   int y;        // set after gadget position was modified
8070
8071   // counter limits must be changed first to prevent value truncation
8072   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
8073                             counterbutton_info[id].max_value);
8074
8075   // right text position might have changed after setting position above
8076   x_right = gi_up->x + gi_up->width + xoffset_right;
8077
8078   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
8079
8080   // set position for "value[1,2,3,4]" counter gadgets (score in most cases)
8081   if (id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
8082       id <= ED_COUNTER_ID_ELEMENT_VALUE4)
8083   {
8084     ModifyGadget(gi_down, GDI_Y,
8085                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
8086     ModifyGadget(gi_text, GDI_Y,
8087                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
8088     ModifyGadget(gi_up,   GDI_Y,
8089                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
8090   }
8091
8092   // vertical position might have changed after setting position above
8093   y = gi_up->y + yoffset;
8094
8095   if (counterbutton_info[id].text_above)
8096     DrawText(x, y_above, counterbutton_info[id].text_above, font_nr);
8097
8098   if (counterbutton_info[id].text_left)
8099     DrawText(x_left, y, counterbutton_info[id].text_left, font_nr);
8100
8101   if (counterbutton_info[id].text_right)
8102     DrawText(x_right, y, counterbutton_info[id].text_right, font_nr);
8103
8104   MapGadget(gi_down);
8105   MapGadget(gi_text);
8106   MapGadget(gi_up);
8107 }
8108
8109 static void MapControlButtons(void)
8110 {
8111   int counter_id;
8112   int i;
8113
8114   // map toolbox buttons (excluding special CE toolbox buttons)
8115   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
8116     MapGadget(level_editor_gadget[i]);
8117
8118   // map toolbox buttons (element properties buttons)
8119   for (i = ED_NUM_CTRL1_4_BUTTONS; i < ED_NUM_CTRL1_7_BUTTONS; i++)
8120     MapGadget(level_editor_gadget[i]);
8121
8122   if (use_permanent_palette)
8123   {
8124     // map buttons to select elements
8125     for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
8126       MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
8127     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
8128     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
8129     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
8130   }
8131
8132   // map buttons to select level
8133   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
8134   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
8135   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
8136   MapCounterButtons(counter_id);
8137 }
8138
8139 static void MapDrawingArea(int id)
8140 {
8141   int font_nr = FONT_TEXT_1;
8142   int font_height = getFontHeight(font_nr);
8143   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
8144   int area_xsize = gi->drawing.area_xsize;
8145   int area_ysize = gi->drawing.area_ysize;
8146   int xoffset_left = getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8147   int xoffset_below = getTextWidth(drawingarea_info[id].text_below, font_nr);
8148   int x_left  = gi->x - xoffset_left;
8149   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
8150   int x_above = gi->x - ED_DRAWINGAREA_BORDER_SIZE;
8151   int x_below = gi->x + (gi->width - xoffset_below) / 2;
8152   int y_side  = gi->y + (gi->height - font_height) / 2;
8153   int y_above = gi->y - font_height - ED_DRAWINGAREA_TEXT_DISTANCE;
8154   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
8155
8156   if (drawingarea_info[id].text_left)
8157     DrawText(x_left, y_side, drawingarea_info[id].text_left, font_nr);
8158
8159   if (drawingarea_info[id].text_right)
8160     DrawText(x_right, y_side, drawingarea_info[id].text_right, font_nr);
8161
8162   if (drawingarea_info[id].text_above)
8163     DrawText(x_above, y_above, drawingarea_info[id].text_above, font_nr);
8164
8165   if (drawingarea_info[id].text_below)
8166     DrawText(x_below, y_below, drawingarea_info[id].text_below, font_nr);
8167
8168   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
8169   {
8170     DrawElementBorder(gi->x, gi->y,
8171                       area_xsize * ED_DRAWINGAREA_TILE_SIZE,
8172                       area_ysize * ED_DRAWINGAREA_TILE_SIZE, TRUE);
8173
8174     DrawDrawingArea(id);
8175   }
8176
8177   MapGadget(gi);
8178 }
8179
8180 static void MapTextInputGadget(int id)
8181 {
8182   int font_nr = FONT_TEXT_1;
8183   int font_height = getFontHeight(font_nr);
8184   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
8185   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8186   int x_above = ED_SETTINGS_X(textinput_info[id].x);
8187   int y_above = ED_SETTINGS_Y(textinput_info[id].y) - yoffset_above;
8188
8189   if (textinput_info[id].text_above)
8190     DrawTextS(x_above, y_above, font_nr, textinput_info[id].text_above);
8191
8192   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
8193
8194   MapGadget(gi);
8195 }
8196
8197 static void MapTextAreaGadget(int id)
8198 {
8199   int font_nr = FONT_TEXT_1;
8200   int font_height = getFontHeight(font_nr);
8201   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
8202   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8203   int x_above = ED_SETTINGS_X(textarea_info[id].x);
8204   int y_above = ED_SETTINGS_Y(textarea_info[id].y) - yoffset_above;
8205   char *text_above = textarea_info[id].text_above;
8206
8207   if (gi->textarea.cropped && textarea_info[id].text_above_cropped)
8208     text_above = textarea_info[id].text_above_cropped;
8209
8210   if (text_above)
8211     DrawTextS(x_above, y_above, font_nr, text_above);
8212
8213   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
8214
8215   MapGadget(gi);
8216 }
8217
8218 static void MapSelectboxGadget(int id)
8219 {
8220   int font_nr = FONT_TEXT_1;
8221   int font_height = getFontHeight(font_nr);
8222   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
8223   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
8224   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8225   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8226   int yoffset = (gi->height - font_height) / 2;
8227   int x_left = gi->x - xoffset_left;
8228   int x_right = gi->x + gi->width + xoffset_right;
8229   int y_above = gi->y - yoffset_above;
8230   int x = gi->x;
8231   int y = gi->y + yoffset;
8232
8233   if (selectbox_info[id].text_above)
8234     DrawText(x, y_above, selectbox_info[id].text_above, font_nr);
8235
8236   if (selectbox_info[id].text_left)
8237     DrawText(x_left, y, selectbox_info[id].text_left, font_nr);
8238
8239   if (selectbox_info[id].text_right)
8240     DrawText(x_right, y, selectbox_info[id].text_right, font_nr);
8241
8242   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
8243
8244   MapGadget(gi);
8245 }
8246
8247 static void MapTextbuttonGadget(int id)
8248 {
8249   int font_nr = FONT_TEXT_1;
8250   int font_height = getFontHeight(font_nr);
8251   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
8252   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
8253   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8254   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8255   int yoffset = (gi->height - font_height) / 2;
8256   int x_left = gi->x - xoffset_left;
8257   int x_right = gi->x + gi->width + xoffset_right;
8258   int y_above = gi->y - yoffset_above;
8259   int x = gi->x;
8260   int y = gi->y + yoffset;
8261
8262   // only show button to delete change pages when more than minimum pages
8263   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
8264       custom_element.num_change_pages == MIN_CHANGE_PAGES)
8265     return;
8266
8267   if (textbutton_info[id].text_above)
8268     DrawText(x, y_above, textbutton_info[id].text_above, font_nr);
8269
8270   if (textbutton_info[id].text_left)
8271     DrawText(x_left, y, textbutton_info[id].text_left, font_nr);
8272
8273   if (textbutton_info[id].text_right)
8274     DrawText(x_right, y, textbutton_info[id].text_right, font_nr);
8275
8276   MapGadget(gi);
8277 }
8278
8279 static void MapGraphicbuttonGadget(int id)
8280 {
8281   int font_nr = FONT_TEXT_1;
8282   int font_height = getFontHeight(font_nr);
8283   struct GadgetInfo *gi = level_editor_gadget[graphicbutton_info[id].gadget_id];
8284   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
8285   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8286   int yoffset = (gi->height - font_height) / 2;
8287   int x_left = gi->x - xoffset_left;
8288   int x_right = gi->x + gi->width + xoffset_right;
8289   int y = gi->y + yoffset;
8290
8291   if (graphicbutton_info[id].text_left)
8292     DrawText(x_left, y, graphicbutton_info[id].text_left, font_nr);
8293
8294   if (graphicbutton_info[id].text_right)
8295     DrawText(x_right, y, graphicbutton_info[id].text_right, font_nr);
8296
8297   MapGadget(gi);
8298 }
8299
8300 static void MapRadiobuttonGadget(int id)
8301 {
8302   int font_nr = FONT_TEXT_1;
8303   int font_height = getFontHeight(font_nr);
8304   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
8305   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
8306   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8307   int yoffset = (gi->height - font_height) / 2;
8308   int x_left = gi->x - xoffset_left;
8309   int x_right = gi->x + gi->width + xoffset_right;
8310   int y = gi->y + yoffset;
8311   boolean checked =
8312     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
8313
8314   if (radiobutton_info[id].text_left)
8315     DrawText(x_left, y, radiobutton_info[id].text_left, font_nr);
8316
8317   if (radiobutton_info[id].text_right)
8318     DrawText(x_right, y, radiobutton_info[id].text_right, font_nr);
8319
8320   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
8321
8322   MapGadget(gi);
8323 }
8324
8325 static void MapCheckbuttonGadget(int id)
8326 {
8327   int font_nr = FONT_TEXT_1;
8328   int font_height = getFontHeight(font_nr);
8329   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
8330   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
8331   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8332   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8333   int yoffset = (gi->height - font_height) / 2;
8334   int y_above = gi->y - yoffset_above;
8335   int x = gi->x;
8336   int x_left, x_right, y;       // set after gadget position was modified
8337
8338   // set position for gadgets with dynamically determined position
8339   if (checkbutton_info[id].x != -1)     // do not change dynamic positions
8340     ModifyGadget(gi, GDI_X, SX + ED_SETTINGS_X(checkbutton_info[id].x), GDI_END);
8341   ModifyGadget(gi, GDI_Y, SY + ED_SETTINGS_Y(checkbutton_info[id].y), GDI_END);
8342
8343   x_left = gi->x - xoffset_left;
8344   x_right = gi->x + gi->width + xoffset_right;
8345   y = gi->y + yoffset;
8346
8347   if (checkbutton_info[id].text_above)
8348     DrawText(x, y_above, checkbutton_info[id].text_above, font_nr);
8349
8350   if (checkbutton_info[id].text_left)
8351     DrawText(x_left, y, checkbutton_info[id].text_left, font_nr);
8352
8353   if (checkbutton_info[id].text_right)
8354     DrawText(x_right, y, checkbutton_info[id].text_right, font_nr);
8355
8356   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
8357
8358   MapGadget(gi);
8359 }
8360
8361 static void MapMainDrawingArea(void)
8362 {
8363   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
8364   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
8365   int i;
8366
8367   if (suppressBorderElement())
8368   {
8369     no_horizontal_scrollbar = (lev_fieldx <= ed_fieldx);
8370     no_vertical_scrollbar   = (lev_fieldy <= ed_fieldy);
8371   }
8372
8373   for (i = ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
8374   {
8375     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
8376           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
8377          no_horizontal_scrollbar) ||
8378         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
8379           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
8380          no_vertical_scrollbar))
8381       continue;
8382
8383     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
8384   }
8385
8386   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
8387   {
8388     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
8389         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
8390       continue;
8391
8392     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
8393   }
8394
8395   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
8396 }
8397
8398 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
8399 {
8400   int i;
8401
8402   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
8403   {
8404     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
8405         i == GADGET_ID_CUSTOM_COPY_TO ||
8406         i == GADGET_ID_CUSTOM_EXCHANGE ||
8407         i == GADGET_ID_CUSTOM_COPY ||
8408         i == GADGET_ID_CUSTOM_PASTE)
8409     {
8410       if (map)
8411         MapGadget(level_editor_gadget[i]);
8412       else
8413         UnmapGadget(level_editor_gadget[i]);
8414     }
8415   }
8416 }
8417
8418 static void MapLevelEditorToolboxCustomGadgets(void)
8419 {
8420   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
8421 }
8422
8423 static void MapLevelEditorToolboxCustomGadgetsIfNeeded(void)
8424 {
8425   if (IS_CUSTOM_ELEMENT(properties_element) ||
8426       IS_GROUP_ELEMENT(properties_element) ||
8427       IS_EMPTY_ELEMENT(properties_element))
8428     MapLevelEditorToolboxCustomGadgets();
8429 }
8430
8431 static void UnmapLevelEditorToolboxCustomGadgets(void)
8432 {
8433   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
8434 }
8435
8436 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
8437 {
8438   int i;
8439
8440   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
8441   {
8442     if (i != GADGET_ID_SINGLE_ITEMS &&
8443         i != GADGET_ID_PICK_ELEMENT)
8444     {
8445       struct GadgetInfo *gi = level_editor_gadget[i];
8446
8447       if (map)
8448       {
8449         MapGadget(gi);
8450       }
8451       else
8452       {
8453         int graphic = IMG_EDITOR_NO_TOOLBOX_BUTTON;
8454         struct GraphicInfo *gd = &graphic_info[graphic];
8455
8456         UnmapGadget(gi);
8457
8458         BlitBitmap(gd->bitmap, drawto, gd->src_x, gd->src_y,
8459                    gi->width, gi->height, gi->x, gi->y);
8460
8461         redraw_mask |= REDRAW_DOOR_3;
8462       }
8463     }
8464   }
8465 }
8466
8467 static void MapLevelEditorToolboxDrawingGadgets(void)
8468 {
8469   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
8470 }
8471
8472 static void UnmapLevelEditorToolboxDrawingGadgets(void)
8473 {
8474   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
8475 }
8476
8477 static void UnmapDrawingArea(int id)
8478 {
8479   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
8480 }
8481
8482 static void UnmapLevelEditorFieldGadgets(void)
8483 {
8484   int i;
8485
8486   for (i = 0; i < num_editor_gadgets; i++)
8487     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
8488                           level_editor_gadget[i]->y))
8489       UnmapGadget(level_editor_gadget[i]);
8490 }
8491
8492 void UnmapLevelEditorGadgets(void)
8493 {
8494   int i;
8495
8496   for (i = 0; i < num_editor_gadgets; i++)
8497     UnmapGadget(level_editor_gadget[i]);
8498 }
8499
8500 static void ResetUndoBuffer(void)
8501 {
8502   undo_buffer_position = -1;
8503   undo_buffer_steps = -1;
8504   redo_buffer_steps = 0;
8505
8506   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
8507
8508   level.changed = FALSE;
8509 }
8510
8511 static void DrawEditModeWindowExt(boolean remap_toolbox_gadgets)
8512 {
8513   if (remap_toolbox_gadgets)
8514   {
8515     ModifyEditorElementList();
8516     RedrawDrawingElements();
8517   }
8518
8519   if (edit_mode == ED_MODE_LEVELCONFIG)
8520     DrawLevelConfigWindow();
8521   else if (edit_mode == ED_MODE_PROPERTIES)
8522     DrawPropertiesWindow();
8523   else if (edit_mode == ED_MODE_PALETTE)
8524     DrawPaletteWindow();
8525   else  // edit_mode == ED_MODE_DRAWING
8526     DrawDrawingWindowExt(remap_toolbox_gadgets);
8527 }
8528
8529 static void DrawEditModeWindow(void)
8530 {
8531   DrawEditModeWindowExt(TRUE);
8532 }
8533
8534 static void DrawEditModeWindow_PlayfieldOnly(void)
8535 {
8536   DrawEditModeWindowExt(FALSE);
8537 }
8538
8539 static void ChangeEditModeWindow(int new_edit_mode)
8540 {
8541   edit_mode = (new_edit_mode != edit_mode ? new_edit_mode : ED_MODE_DRAWING);
8542
8543   DrawEditModeWindow();
8544 }
8545
8546 static boolean LevelChanged(void)
8547 {
8548   boolean field_changed = FALSE;
8549   int x, y;
8550
8551   for (y = 0; y < lev_fieldy; y++)
8552     for (x = 0; x < lev_fieldx; x++)
8553       if (Tile[x][y] != level.field[x][y])
8554         field_changed = TRUE;
8555
8556   return (level.changed || field_changed);
8557 }
8558
8559 static boolean PrepareSavingIntoPersonalLevelSet(void)
8560 {
8561   static LevelDirTree *last_copied_leveldir = NULL;
8562   static LevelDirTree *last_written_leveldir = NULL;
8563   static int last_copied_level_nr = -1;
8564   static int last_written_level_nr = -1;
8565   LevelDirTree *leveldir_former = leveldir_current;
8566   int level_nr_former = level_nr;
8567   int new_level_nr;
8568
8569   // remember last mod/save so that for current session, we write
8570   // back to the same personal copy, asking only about overwrite.
8571   if (leveldir_current == last_copied_leveldir &&
8572       level_nr == last_copied_level_nr)
8573   {
8574     // "cd" to personal level set dir (as used when writing last copy)
8575     leveldir_current = last_written_leveldir;
8576     level_nr = last_written_level_nr;
8577
8578     return TRUE;
8579   }
8580
8581   if (!Request("This level is read-only! "
8582                "Save into personal level set?", REQ_ASK))
8583     return FALSE;
8584
8585   // "cd" to personal level set dir (for writing copy the first time)
8586   leveldir_current =
8587     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
8588
8589   // this may happen if "setup.internal.create_user_levelset" is FALSE
8590   // or if file "levelinfo.conf" is missing in personal user level set
8591   if (leveldir_current == NULL)
8592   {
8593     Request("Cannot find personal level set?!", REQ_CONFIRM);
8594
8595     leveldir_current = leveldir_former;
8596
8597     return FALSE;
8598   }
8599
8600   // find unused level number
8601   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
8602   {
8603     static char *level_filename = NULL;
8604
8605     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
8606
8607     if (!fileExists(level_filename))
8608       break;
8609   }
8610
8611   last_copied_leveldir = leveldir_former;
8612   last_copied_level_nr = level_nr_former;
8613
8614   last_written_leveldir = leveldir_current;
8615   last_written_level_nr = level_nr = new_level_nr;
8616
8617   return TRUE;
8618 }
8619
8620 static void ModifyLevelConfigForSavingIntoPersonalLevelSet(char *former_name)
8621 {
8622   static char *filename_levelinfo = NULL, *mod_name = NULL;
8623   FILE *file;
8624
8625   // annotate this copy-and-mod in personal levelinfo.conf
8626   setString(&filename_levelinfo,
8627             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
8628
8629   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
8630   {
8631     fprintf(file, "\n");
8632     fprintf(file, "# level %d was modified from:\n", level_nr);
8633     fprintf(file, "# - previous level set name:    %s\n",
8634             former_name);
8635     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
8636             level.file_info.nr, level.name);
8637     fprintf(file, "# - previous author:            %s\n",
8638             level.author);
8639     fprintf(file, "# - previous save date:         ");
8640
8641     if (level.creation_date.src == DATE_SRC_LEVELFILE)
8642     {
8643       fprintf(file, "%04d-%02d-%02d\n",
8644               level.creation_date.year,
8645               level.creation_date.month,
8646               level.creation_date.day);
8647     }
8648     else
8649     {
8650       fprintf(file, "not recorded\n");
8651     }
8652
8653     fclose(file);
8654   }
8655
8656   if (level_nr > leveldir_current->last_level)
8657     UpdateUserLevelSet(getLoginName(), NULL, NULL, level_nr + 9);
8658
8659   // else: allow the save even if annotation failed
8660
8661   // now... spray graffiti on the old level vital statistics
8662   // user can change these; just trying to set a good baseline
8663
8664   // don't truncate names for fear of making offensive or silly:
8665   // long-named original author only recorded in levelinfo.conf.
8666   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
8667   if (!strEqual(level.author, leveldir_current->author))
8668   {
8669     setString(&mod_name, getStringCat3(leveldir_current->author,
8670                                        " after ", level.author));
8671
8672     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
8673       setString(&mod_name,
8674                 getStringCat2(leveldir_current->author, " (ed.)"));
8675
8676     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
8677       setString(&mod_name, leveldir_current->author);
8678
8679     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
8680
8681     // less worried about truncation here
8682     setString(&mod_name, getStringCat2("Mod: ", level.name));
8683     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
8684   }
8685 }
8686
8687 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
8688                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
8689 {
8690   int x, y;
8691
8692   for (x = 0; x < lev_fieldx; x++)
8693     for (y = 0; y < lev_fieldy; y++)
8694       dst[x][y] = src[x][y];
8695 }
8696
8697 static int setSelectboxValue(int selectbox_id, int new_value)
8698 {
8699   int new_index_value = 0;
8700   int i;
8701
8702   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
8703     if (selectbox_info[selectbox_id].options[i].value == new_value)
8704       new_index_value = i;
8705
8706   *selectbox_info[selectbox_id].value =
8707     selectbox_info[selectbox_id].options[new_index_value].value;
8708
8709   return new_index_value;
8710 }
8711
8712 static void setSelectboxSpecialActionVariablesIfNeeded(void)
8713 {
8714   int i;
8715
8716   // change action mode and arg variables according to action type variable
8717   for (i = 0; action_arg_options[i].value != -1; i++)
8718   {
8719     if (action_arg_options[i].value == custom_element_change.action_type)
8720     {
8721       int mode = action_arg_options[i].mode;
8722
8723       // only change if corresponding selectbox has changed
8724       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
8725           action_arg_modes[mode])
8726         custom_element_change.action_mode = -1;
8727
8728       // only change if corresponding selectbox has changed
8729       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
8730           action_arg_options[i].options)
8731         custom_element_change.action_arg = -1;
8732
8733       break;
8734     }
8735   }
8736 }
8737
8738 static void setSelectboxSpecialActionOptions(void)
8739 {
8740   int i;
8741
8742   // change action mode and arg selectbox according to action type selectbox
8743   for (i = 0; action_arg_options[i].value != -1; i++)
8744   {
8745     if (action_arg_options[i].value == custom_element_change.action_type)
8746     {
8747       int mode = action_arg_options[i].mode;
8748
8749       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
8750                                    action_arg_modes[mode]);
8751       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
8752                                  custom_element_change.action_mode);
8753
8754       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
8755                                    action_arg_options[i].options);
8756       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
8757                                  custom_element_change.action_arg);
8758       break;
8759     }
8760   }
8761 }
8762
8763 static void copy_custom_element_settings(int element_from, int element_to)
8764 {
8765   struct ElementInfo *ei_from = &element_info[element_from];
8766   struct ElementInfo *ei_to = &element_info[element_to];
8767
8768   copyElementInfo(ei_from, ei_to);
8769 }
8770
8771 static void replace_custom_element_in_settings(int element_from,
8772                                                int element_to)
8773 {
8774   int i, j, x, y;
8775
8776   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
8777   {
8778     struct ElementInfo *ei = &element_info[i];
8779
8780     for (y = 0; y < 3; y++)
8781       for (x = 0; x < 3; x++)
8782         if (ei->content.e[x][y] == element_from)
8783           ei->content.e[x][y] = element_to;
8784
8785     for (j = 0; j < ei->num_change_pages; j++)
8786     {
8787       struct ElementChangeInfo *change = &ei->change_page[j];
8788
8789       if (change->target_element == element_from)
8790         change->target_element = element_to;
8791
8792       if (change->initial_trigger_element == element_from)
8793         change->initial_trigger_element = element_to;
8794
8795       if (change->action_element == element_from)
8796         change->action_element = element_to;
8797
8798       for (y = 0; y < 3; y++)
8799         for (x = 0; x < 3; x++)
8800           if (change->target_content.e[x][y] == element_from)
8801             change->target_content.e[x][y] = element_to;
8802     }
8803
8804     if (ei->group != NULL)                              // group or internal
8805       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
8806         if (ei->group->element[j] == element_from)
8807           ei->group->element[j] = element_to;
8808   }
8809 }
8810
8811 static void replace_custom_element_in_playfield(int element_from,
8812                                                 int element_to)
8813 {
8814   int x, y;
8815
8816   for (x = 0; x < lev_fieldx; x++)
8817     for (y = 0; y < lev_fieldy; y++)
8818       if (Tile[x][y] == element_from)
8819         Tile[x][y] = element_to;
8820 }
8821
8822 static boolean CopyCustomElement(int element_old, int element_new,
8823                                  int copy_mode)
8824 {
8825   int copy_mode_orig = copy_mode;
8826
8827   if (copy_mode == GADGET_ID_CUSTOM_COPY)
8828   {
8829     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
8830                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
8831     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
8832   }
8833   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
8834   {
8835     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
8836                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
8837     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
8838
8839     level.changed = TRUE;
8840   }
8841   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
8842   {
8843     Request("Please choose custom element!", REQ_CONFIRM);
8844
8845     return FALSE;
8846   }
8847   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
8848   {
8849     Request("Please choose group element!", REQ_CONFIRM);
8850
8851     return FALSE;
8852   }
8853   else if (IS_EMPTY_ELEMENT(element_old) && !IS_EMPTY_ELEMENT(element_new))
8854   {
8855     Request("Please choose empty element!", REQ_CONFIRM);
8856
8857     return FALSE;
8858   }
8859   else
8860   {
8861     level.changed = TRUE;
8862   }
8863
8864   // when modifying custom/group element, ask for copying level template
8865   if (copy_mode_orig != GADGET_ID_CUSTOM_COPY && level.use_custom_template)
8866   {
8867     if (!AskToCopyAndModifyLevelTemplate())
8868       return FALSE;
8869   }
8870
8871   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
8872   {
8873     copy_custom_element_settings(element_new, element_old);
8874   }
8875   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
8876   {
8877     copy_custom_element_settings(element_old, element_new);
8878   }
8879   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
8880   {
8881     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
8882     copy_custom_element_settings(element_new, element_old);
8883     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
8884
8885     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
8886     replace_custom_element_in_settings(element_new, element_old);
8887     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
8888
8889     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
8890     replace_custom_element_in_playfield(element_new, element_old);
8891     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
8892   }
8893
8894   UpdateCustomElementGraphicGadgets();
8895   DrawPropertiesWindow();
8896
8897   return TRUE;
8898 }
8899
8900 static void CopyCustomElementPropertiesToEditor(int element)
8901 {
8902   int i;
8903   int current_change_page = element_info[element].current_change_page;
8904
8905   // dynamically (re)build selectbox for selecting change page
8906   for (i = 0; i < element_info[element].num_change_pages; i++)
8907   {
8908     sprintf(options_change_page_strings[i], "%d", i + 1);
8909
8910     options_change_page[i].value = i;
8911     options_change_page[i].text = options_change_page_strings[i];
8912   }
8913
8914   options_change_page[i].value = -1;
8915   options_change_page[i].text = NULL;
8916
8917   // needed here to initialize combined element properties
8918   InitElementPropertiesEngine(level.game_version);
8919
8920   element_info[element].change =
8921     &element_info[element].change_page[current_change_page];
8922
8923   custom_element = element_info[element];
8924   custom_element_change = *element_info[element].change;
8925
8926   // needed to initially set selectbox options for special action options
8927   setSelectboxSpecialActionOptions();
8928
8929   // needed to initially set selectbox value variables to reliable defaults
8930   for (i = 0; i < ED_NUM_SELECTBOX; i++)
8931     setSelectboxValue(i, *selectbox_info[i].value);
8932
8933   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
8934     custom_element_properties[i] = HAS_PROPERTY(element, i);
8935
8936   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
8937     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
8938
8939   // ---------- element settings: configure (custom elements) -----------------
8940
8941   // set accessible layer selectbox help value
8942   custom_element.access_type =
8943     (IS_WALKABLE(element) ? EP_WALKABLE :
8944      IS_PASSABLE(element) ? EP_PASSABLE :
8945      custom_element.access_type);
8946   custom_element.access_layer =
8947     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
8948      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
8949      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
8950      custom_element.access_layer);
8951   custom_element.access_protected =
8952     (IS_PROTECTED(element) ? 1 : 0);
8953   custom_element_properties[EP_ACCESSIBLE] =
8954     (IS_ACCESSIBLE_OVER(element) ||
8955      IS_ACCESSIBLE_INSIDE(element) ||
8956      IS_ACCESSIBLE_UNDER(element));
8957
8958   // set walk-to-object action selectbox help value
8959   custom_element.walk_to_action =
8960     (IS_DIGGABLE(element) ? EP_DIGGABLE :
8961      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
8962      IS_DROPPABLE(element) ? EP_DROPPABLE :
8963      IS_THROWABLE(element) ? EP_THROWABLE :
8964      IS_PUSHABLE(element) ? EP_PUSHABLE :
8965      custom_element.walk_to_action);
8966   custom_element_properties[EP_WALK_TO_OBJECT] =
8967     (IS_DIGGABLE(element) ||
8968      IS_COLLECTIBLE_ONLY(element) ||
8969      IS_DROPPABLE(element) ||
8970      IS_THROWABLE(element) ||
8971      IS_PUSHABLE(element));
8972
8973   // set smash targets selectbox help value
8974   custom_element.smash_targets =
8975     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
8976      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
8977      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
8978      custom_element.smash_targets);
8979   custom_element_properties[EP_CAN_SMASH] =
8980     (CAN_SMASH_EVERYTHING(element) ||
8981      CAN_SMASH_ENEMIES(element) ||
8982      CAN_SMASH_PLAYER(element));
8983
8984   // set deadliness selectbox help value
8985   custom_element.deadliness =
8986     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
8987      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
8988      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
8989      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
8990      custom_element.deadliness);
8991   custom_element_properties[EP_DEADLY] =
8992     (DONT_TOUCH(element) ||
8993      DONT_GET_HIT_BY(element) ||
8994      DONT_COLLIDE_WITH(element) ||
8995      DONT_RUN_INTO(element));
8996
8997   // ---------- element settings: advanced (custom elements) ------------------
8998
8999   // set "change by direct action" selectbox help value
9000   custom_element_change.direct_action =
9001     (HAS_CHANGE_EVENT(element, CE_NEXT_TO_PLAYER) ? CE_NEXT_TO_PLAYER :
9002      HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
9003      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
9004      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
9005      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
9006      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
9007      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
9008      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
9009      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
9010      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
9011      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
9012      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
9013      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
9014      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
9015      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
9016      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
9017      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
9018      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
9019      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
9020      HAS_CHANGE_EVENT(element, CE_CLICKED_BY_MOUSE) ? CE_CLICKED_BY_MOUSE :
9021      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_MOUSE) ? CE_PRESSED_BY_MOUSE :
9022      custom_element_change.direct_action);
9023
9024   // set "change by other element action" selectbox help value
9025   custom_element_change.other_action =
9026     (HAS_CHANGE_EVENT(element, CE_PLAYER_NEXT_TO_X) ? CE_PLAYER_NEXT_TO_X :
9027      HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
9028      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
9029      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
9030      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
9031      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
9032      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
9033      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
9034      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
9035      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
9036      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
9037      HAS_CHANGE_EVENT(element, CE_NEXT_TO_X) ? CE_NEXT_TO_X :
9038      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
9039      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
9040      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
9041      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
9042      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
9043      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
9044      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
9045      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
9046      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
9047      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
9048      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
9049      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
9050      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
9051      HAS_CHANGE_EVENT(element, CE_MOUSE_CLICKED_ON_X) ? CE_MOUSE_CLICKED_ON_X :
9052      HAS_CHANGE_EVENT(element, CE_MOUSE_PRESSED_ON_X) ? CE_MOUSE_PRESSED_ON_X :
9053      custom_element_change.other_action);
9054 }
9055
9056 static void CopyGroupElementPropertiesToEditor(int element)
9057 {
9058   group_element_info = *element_info[element].group;
9059   custom_element = element_info[element];       // needed for description
9060 }
9061
9062 static void CopyEmptyElementPropertiesToEditor(int element)
9063 {
9064   custom_element = element_info[element];
9065 }
9066
9067 static void CopyClassicElementPropertiesToEditor(int element)
9068 {
9069   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
9070     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
9071       getMoveIntoAcidProperty(&level, element);
9072
9073   if (MAYBE_DONT_COLLIDE_WITH(element))
9074     custom_element_properties[EP_DONT_COLLIDE_WITH] =
9075       getDontCollideWithProperty(&level, element);
9076 }
9077
9078 static void CopyElementPropertiesToEditor(int element)
9079 {
9080   if (IS_CUSTOM_ELEMENT(element))
9081     CopyCustomElementPropertiesToEditor(element);
9082   else if (IS_GROUP_ELEMENT(element))
9083     CopyGroupElementPropertiesToEditor(element);
9084   else if (IS_EMPTY_ELEMENT(element))
9085     CopyEmptyElementPropertiesToEditor(element);
9086   else
9087     CopyClassicElementPropertiesToEditor(element);
9088 }
9089
9090 static boolean AskToCopyAndModifyLevelTemplate(void)
9091 {
9092   if (Request("Copy and modify settings from level template?", REQ_ASK))
9093   {
9094     level.use_custom_template = FALSE;
9095
9096     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_1],
9097                  GDI_CHECKED, FALSE, GDI_END);
9098     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_2],
9099                  GDI_CHECKED, FALSE, GDI_END);
9100
9101     return TRUE;
9102   }
9103   else
9104   {
9105     LoadLevelTemplate(-1);      // this resets all element modifications ...
9106
9107     DrawEditModeWindow();       // ... and copies them to 'custom_element'
9108
9109     return FALSE;
9110   }
9111 }
9112
9113 static void CopyCustomElementPropertiesToGame(int element)
9114 {
9115   int i;
9116   int access_type_and_layer;
9117
9118   // mark that this custom element has been modified
9119   custom_element.modified_settings = TRUE;
9120   level.changed = TRUE;
9121
9122   if (level.use_custom_template)
9123     AskToCopyAndModifyLevelTemplate();
9124
9125   element_info[element] = custom_element;
9126   *element_info[element].change = custom_element_change;
9127
9128   // ---------- element settings: configure (custom elements) -----------------
9129
9130   // set accessible property from checkbox and selectbox
9131   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
9132   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
9133   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
9134   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
9135   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
9136   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
9137   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
9138                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
9139                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
9140   custom_element_properties[access_type_and_layer] =
9141     custom_element_properties[EP_ACCESSIBLE];
9142   custom_element_properties[EP_PROTECTED] =
9143     (custom_element.access_protected != 0 &&
9144      custom_element_properties[EP_ACCESSIBLE]);
9145
9146   // set walk-to-object property from checkbox and selectbox
9147   custom_element_properties[EP_DIGGABLE] = FALSE;
9148   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
9149   custom_element_properties[EP_DROPPABLE] = FALSE;
9150   custom_element_properties[EP_THROWABLE] = FALSE;
9151   custom_element_properties[EP_PUSHABLE] = FALSE;
9152   custom_element_properties[custom_element.walk_to_action] =
9153     custom_element_properties[EP_WALK_TO_OBJECT];
9154
9155   // set smash property from checkbox and selectbox
9156   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
9157   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
9158   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
9159   custom_element_properties[custom_element.smash_targets] =
9160     custom_element_properties[EP_CAN_SMASH];
9161
9162   // set deadliness property from checkbox and selectbox
9163   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
9164   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
9165   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
9166   custom_element_properties[EP_DONT_TOUCH] = FALSE;
9167   custom_element_properties[custom_element.deadliness] =
9168     custom_element_properties[EP_DEADLY];
9169
9170   // ---------- element settings: advanced (custom elements) ------------------
9171
9172   // set player change event from checkbox and selectbox
9173   custom_element_change_events[CE_NEXT_TO_PLAYER] = FALSE;
9174   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
9175   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
9176   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
9177   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
9178   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
9179   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
9180   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
9181   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
9182   custom_element_change_events[CE_SWITCHED] = FALSE;
9183   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
9184   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
9185   custom_element_change_events[CE_BLOCKED] = FALSE;
9186   custom_element_change_events[CE_IMPACT] = FALSE;
9187   custom_element_change_events[CE_SMASHED] = FALSE;
9188   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
9189   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
9190   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
9191   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
9192   custom_element_change_events[CE_CLICKED_BY_MOUSE] = FALSE;
9193   custom_element_change_events[CE_PRESSED_BY_MOUSE] = FALSE;
9194   custom_element_change_events[custom_element_change.direct_action] =
9195     custom_element_change_events[CE_BY_DIRECT_ACTION];
9196
9197   // set other element action change event from checkbox and selectbox
9198   custom_element_change_events[CE_PLAYER_NEXT_TO_X] = FALSE;
9199   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
9200   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
9201   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
9202   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
9203   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
9204   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
9205   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
9206   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
9207   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
9208   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
9209   custom_element_change_events[CE_NEXT_TO_X] = FALSE;
9210   custom_element_change_events[CE_TOUCHING_X] = FALSE;
9211   custom_element_change_events[CE_HITTING_X] = FALSE;
9212   custom_element_change_events[CE_DIGGING_X] = FALSE;
9213   custom_element_change_events[CE_HIT_BY_X] = FALSE;
9214   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
9215   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
9216   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
9217   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
9218   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
9219   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
9220   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
9221   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
9222   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
9223   custom_element_change_events[CE_MOUSE_CLICKED_ON_X] = FALSE;
9224   custom_element_change_events[CE_MOUSE_PRESSED_ON_X] = FALSE;
9225   custom_element_change_events[custom_element_change.other_action] =
9226     custom_element_change_events[CE_BY_OTHER_ACTION];
9227
9228   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
9229     SET_PROPERTY(element, i, custom_element_properties[i]);
9230
9231   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
9232     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
9233
9234   // copy change events also to special level editor variable
9235   custom_element = element_info[element];
9236   custom_element_change = *element_info[element].change;
9237
9238   // needed here to restore runtime value "element_info[element].gfx_element"
9239   InitElementPropertiesGfxElement();
9240 }
9241
9242 static void CopyGroupElementPropertiesToGame(int element)
9243 {
9244   // mark that this group element has been modified
9245   custom_element.modified_settings = TRUE;
9246   level.changed = TRUE;
9247
9248   if (level.use_custom_template)
9249     AskToCopyAndModifyLevelTemplate();
9250
9251   element_info[element] = custom_element;
9252   *element_info[element].group = group_element_info;
9253
9254   // needed here to restore runtime value "element_info[element].gfx_element"
9255   InitElementPropertiesGfxElement();
9256 }
9257
9258 static void CopyEmptyElementPropertiesToGame(int element)
9259 {
9260   // mark that this empty element has been modified
9261   custom_element.modified_settings = TRUE;
9262   level.changed = TRUE;
9263
9264   if (level.use_custom_template)
9265     AskToCopyAndModifyLevelTemplate();
9266
9267   element_info[element] = custom_element;
9268
9269   // needed here to restore runtime value "element_info[element].gfx_element"
9270   InitElementPropertiesGfxElement();
9271 }
9272
9273 static void CopyClassicElementPropertiesToGame(int element)
9274 {
9275   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
9276     setMoveIntoAcidProperty(&level, element,
9277                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
9278
9279   if (MAYBE_DONT_COLLIDE_WITH(element))
9280     setDontCollideWithProperty(&level, element,
9281                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
9282 }
9283
9284 static void CopyElementPropertiesToGame(int element)
9285 {
9286   if (IS_CUSTOM_ELEMENT(element))
9287     CopyCustomElementPropertiesToGame(element);
9288   else if (IS_GROUP_ELEMENT(element))
9289     CopyGroupElementPropertiesToGame(element);
9290   else if (IS_EMPTY_ELEMENT(element))
9291     CopyEmptyElementPropertiesToGame(element);
9292   else
9293     CopyClassicElementPropertiesToGame(element);
9294 }
9295
9296 #if DEBUG
9297 static void CheckElementDescriptions(void)
9298 {
9299   int i;
9300
9301   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
9302     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
9303       Warn("no element description file for element '%s'", EL_NAME(i));
9304 }
9305 #endif
9306
9307 static int getMaxEdFieldX(boolean has_scrollbar)
9308 {
9309   int scrollbar_width = (has_scrollbar ? ED_SCROLLBUTTON_XSIZE : 0);
9310   int sxsize = SXSIZE - scrollbar_width;
9311   int max_ed_fieldx = sxsize / ed_tilesize;
9312
9313   return max_ed_fieldx;
9314 }
9315
9316 static int getMaxEdFieldY(boolean has_scrollbar)
9317 {
9318   int infotext_height = (IN_PIX_FIELD(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY) ?
9319                          INFOTEXT_YSIZE_FULL : 0);
9320   int scrollbar_height = (has_scrollbar ? ED_SCROLLBUTTON_YSIZE : 0);
9321   int sysize = SYSIZE - scrollbar_height - infotext_height;
9322   int max_ed_fieldy = sysize / ed_tilesize;
9323
9324   return max_ed_fieldy;
9325 }
9326
9327 static void InitZoomLevelSettings(int zoom_tilesize)
9328 {
9329   static int last_game_engine_type = GAME_ENGINE_TYPE_UNKNOWN;
9330
9331   if (zoom_tilesize == -1 && level.game_engine_type != last_game_engine_type)
9332   {
9333     ed_tilesize = setup.auto_setup.editor_zoom_tilesize;
9334     ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
9335
9336     // make sure that tile size is always a power of 2
9337     ed_tilesize = (1 << log_2(ed_tilesize));
9338
9339     if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
9340     {
9341       ed_tilesize = DEFAULT_EDITOR_TILESIZE_MM;
9342       ed_tilesize_default = DEFAULT_EDITOR_TILESIZE_MM;
9343     }
9344   }
9345
9346   last_game_engine_type = level.game_engine_type;
9347
9348   // limit zoom tilesize by upper and lower bound
9349   ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
9350
9351   // store zoom tilesize in auto setup file only if it was manually changed
9352   if (zoom_tilesize != -1)
9353     setup.auto_setup.editor_zoom_tilesize = ed_tilesize;
9354
9355   MAX_ED_FIELDX = getMaxEdFieldX(FALSE);
9356   MAX_ED_FIELDY = getMaxEdFieldY(FALSE);
9357 }
9358
9359 static void InitDrawingElements(void)
9360 {
9361   static int game_engine_type_last = GAME_ENGINE_TYPE_UNKNOWN;
9362
9363   if (level.game_engine_type == game_engine_type_last)
9364     return;
9365
9366   if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
9367   {
9368     new_element1 = EL_BD_WALL;
9369     new_element2 = EL_EMPTY;
9370     new_element3 = EL_BD_SAND;
9371   }
9372   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
9373   {
9374     new_element1 = EL_SP_CHIP_SINGLE;
9375     new_element2 = EL_EMPTY;
9376     new_element3 = EL_SP_BASE;
9377   }
9378   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
9379   {
9380     new_element1 = EL_MM_MIRROR_START;
9381     new_element2 = EL_EMPTY;
9382     new_element3 = EL_MM_WOODEN_WALL;
9383   }
9384   else
9385   {
9386     new_element1 = EL_WALL;
9387     new_element2 = EL_EMPTY;
9388     new_element3 = EL_SAND;
9389   }
9390
9391   game_engine_type_last = level.game_engine_type;
9392 }
9393
9394 static void InitLevelSetInfo(void)
9395 {
9396   snprintf(levelset_name,   MAX_LEVEL_NAME_LEN + 1,
9397            "%s", leveldir_current->name);
9398   snprintf(levelset_author, MAX_LEVEL_AUTHOR_LEN + 1,
9399            "%s", leveldir_current->author);
9400
9401   levelset_num_levels = leveldir_current->levels;
9402
9403   levelset_use_levelset_artwork = FALSE;
9404   levelset_copy_level_template = FALSE;
9405
9406   levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
9407 }
9408
9409 static void ChangeEditorToLevelSet(char *levelset_subdir)
9410 {
9411   leveldir_current = getTreeInfoFromIdentifier(leveldir_first, levelset_subdir);
9412
9413   // the previous level set might have used custom artwork
9414   ReloadCustomArtwork(0);
9415
9416   LoadLevelSetup_SeriesInfo();
9417
9418   SaveLevelSetup_LastSeries();
9419   SaveLevelSetup_SeriesInfo();
9420
9421   TapeErase();
9422
9423   LoadLevel(level_nr);
9424   LoadScore(level_nr);
9425
9426   DrawLevelEd();
9427 }
9428
9429 static boolean useEditorDoorAnimation(void)
9430 {
9431   struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
9432   boolean door_1_viewport_unchanged =
9433     (vp_door_1->x      == DX     &&
9434      vp_door_1->y      == DY     &&
9435      vp_door_1->width  == DXSIZE &&
9436      vp_door_1->height == DYSIZE);
9437   boolean door_1_contains_toolbox =
9438     (EX >= DX &&
9439      EY >= DY &&
9440      EX + EXSIZE <= DX + DXSIZE &&
9441      EY + EYSIZE <= DY + DYSIZE);
9442
9443   return (door_1_viewport_unchanged && door_1_contains_toolbox);
9444 }
9445
9446 static void DrawEditorDoorBackground(int graphic, int x, int y,
9447                                      int width, int height)
9448 {
9449   struct GraphicInfo *g = &graphic_info[graphic];
9450
9451   if (g->bitmap != NULL)
9452     BlitBitmap(g->bitmap, drawto, g->src_x, g->src_y,
9453                MIN(width, g->width), MIN(height, g->height), x, y);
9454   else
9455     ClearRectangle(drawto, x, y, width, height);
9456 }
9457
9458 static void DrawEditorDoorContent(void)
9459 {
9460   // needed for gadgets drawn on background (like palette scrollbar)
9461   SetDoorBackgroundImage(IMG_UNDEFINED);
9462
9463   // copy default editor door content to main double buffer
9464   DrawEditorDoorBackground(IMG_BACKGROUND_PALETTE, DX, DY, DXSIZE, DYSIZE);
9465
9466   // draw bigger door
9467   DrawSpecialEditorDoor();
9468
9469   // draw new control window
9470   DrawEditorDoorBackground(IMG_BACKGROUND_TOOLBOX, EX, EY, EXSIZE, EYSIZE);
9471
9472   // draw all toolbox gadgets to editor doors
9473   MapControlButtons();
9474
9475   // when returning from test game to properties page, redraw toolbox gadgets
9476   if (edit_mode == ED_MODE_PROPERTIES)
9477   {
9478     UnmapLevelEditorToolboxDrawingGadgets();
9479     UnmapLevelEditorToolboxCustomGadgets();
9480
9481     MapLevelEditorToolboxCustomGadgetsIfNeeded();
9482   }
9483
9484   // draw all palette gadgets to editor doors
9485   ModifyEditorElementList();
9486   RedrawDrawingElements();
9487
9488   // copy actual editor door content to door double buffer for OpenDoor()
9489   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
9490 }
9491
9492 void DrawLevelEd(void)
9493 {
9494   int fade_mask = REDRAW_FIELD;
9495
9496   FadeSoundsAndMusic();
9497
9498   if (CheckFadeAll())
9499     fade_mask = REDRAW_ALL;
9500
9501   FadeOut(fade_mask);
9502
9503   // needed if different viewport properties defined for editor
9504   ChangeViewportPropertiesIfNeeded();
9505
9506   ClearField();
9507
9508   InitZoomLevelSettings(-1);
9509   InitDrawingElements();
9510   InitLevelSetInfo();
9511
9512 #if DEBUG
9513   CheckElementDescriptions();
9514 #endif
9515
9516   if (level_editor_test_game)
9517   {
9518     CopyPlayfield(level.field, Tile);
9519     CopyPlayfield(TileBackup, level.field);
9520
9521     level_editor_test_game = FALSE;
9522   }
9523   else
9524   {
9525     edit_mode = ED_MODE_DRAWING;
9526     edit_mode_levelconfig = ED_MODE_LEVELCONFIG_LEVEL;
9527     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
9528
9529     ResetUndoBuffer();
9530
9531     level_xpos = -1;
9532     level_ypos = -1;
9533   }
9534
9535   // redraw_mask |= REDRAW_ALL;
9536
9537   FreeLevelEditorGadgets();
9538   CreateLevelEditorGadgets();
9539
9540   ReinitializeElementList();            // update dynamic level element list
9541   ReinitializeElementListButtons();     // custom element may look different
9542
9543   InitElementPropertiesGfxElement();
9544
9545   UnmapAllGadgets();
9546
9547   DrawEditModeWindow_PlayfieldOnly();
9548
9549   DrawMaskedBorder(fade_mask);
9550
9551   // use door animation if door 1 viewport is unchanged and contains toolbox
9552   if (useEditorDoorAnimation())
9553   {
9554     FadeIn(fade_mask);
9555
9556     DrawEditorDoorContent();
9557
9558     OpenDoor(DOOR_OPEN_1 | DOOR_FORCE_ANIM);
9559   }
9560   else
9561   {
9562     DrawEditorDoorContent();
9563
9564     FadeIn(fade_mask);
9565   }
9566
9567   SetDoorState(DOOR_OPEN_1 | DOOR_OPEN_2);
9568 }
9569
9570 static void AdjustDrawingAreaGadgets(void)
9571 {
9572   int ed_xsize = lev_fieldx + 2;
9573   int ed_ysize = lev_fieldy + 2;
9574   int max_ed_fieldx = MAX_ED_FIELDX;
9575   int max_ed_fieldy = MAX_ED_FIELDY;
9576   boolean horizontal_scrollbar_needed;
9577   boolean vertical_scrollbar_needed;
9578   int x, y, width, height;
9579
9580   if (suppressBorderElement())
9581   {
9582     ed_xsize = lev_fieldx;
9583     ed_ysize = lev_fieldy;
9584   }
9585
9586   // check if we need any scrollbars
9587   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
9588   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
9589
9590   // check if we have a smaller editor field because of scrollbars
9591   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
9592   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
9593
9594   // check again if we now need more scrollbars because of less space
9595   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
9596   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
9597
9598   // check if editor field gets even smaller after adding new scrollbars
9599   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
9600   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
9601
9602   ed_fieldx = (ed_xsize > max_ed_fieldx ? max_ed_fieldx : ed_xsize);
9603   ed_fieldy = (ed_ysize > max_ed_fieldy ? max_ed_fieldy : ed_ysize);
9604
9605   x = SX + ed_fieldx * ed_tilesize;
9606   y = SY + ed_fieldy * ed_tilesize;
9607
9608   width  = ed_fieldx * ed_tilesize - 2 * ED_SCROLLBUTTON_XSIZE;
9609   height = ed_fieldy * ed_tilesize - 2 * ED_SCROLLBUTTON_YSIZE;
9610
9611   // adjust drawing area gadget
9612   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
9613                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
9614                GDI_ITEM_SIZE, ed_tilesize, ed_tilesize,
9615                GDI_END);
9616
9617   // adjust horizontal scrollbar gadgets
9618   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LEFT],
9619                GDI_Y, y,
9620                GDI_END);
9621   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT],
9622                GDI_X, x - ED_SCROLLBUTTON_XSIZE,
9623                GDI_Y, y,
9624                GDI_END);
9625   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
9626                GDI_Y, y,
9627                GDI_WIDTH, width,
9628                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
9629                GDI_END);
9630
9631   // adjust vertical scrollbar gadgets
9632   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_UP],
9633                GDI_X, x,
9634                GDI_END);
9635   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN],
9636                GDI_X, x,
9637                GDI_Y, y - ED_SCROLLBUTTON_YSIZE,
9638                GDI_END);
9639   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
9640                GDI_X, x,
9641                GDI_HEIGHT, height,
9642                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
9643                GDI_END);
9644 }
9645
9646 static void AdjustLevelScrollPosition(void)
9647 {
9648   if (level_xpos < -1)
9649     level_xpos = -1;
9650   if (level_xpos > lev_fieldx - ed_fieldx + 1)
9651     level_xpos = lev_fieldx - ed_fieldx + 1;
9652   if (lev_fieldx < ed_fieldx - 2)
9653     level_xpos = -1;
9654
9655   if (level_ypos < -1)
9656     level_ypos = -1;
9657   if (level_ypos > lev_fieldy - ed_fieldy + 1)
9658     level_ypos = lev_fieldy - ed_fieldy + 1;
9659   if (lev_fieldy < ed_fieldy - 2)
9660     level_ypos = -1;
9661
9662   if (suppressBorderElement())
9663   {
9664     level_xpos = 0;
9665     level_ypos = 0;
9666   }
9667 }
9668
9669 static void AdjustEditorScrollbar(int id)
9670 {
9671   struct GadgetInfo *gi = level_editor_gadget[id];
9672   int items_max, items_visible, item_position;
9673
9674   if (id == GADGET_ID_SCROLL_HORIZONTAL)
9675   {
9676     items_max = MAX(lev_fieldx + 2, ed_fieldx);
9677     items_visible = ed_fieldx;
9678     item_position = level_xpos + 1;
9679   }
9680   else
9681   {
9682     items_max = MAX(lev_fieldy + 2, ed_fieldy);
9683     items_visible = ed_fieldy;
9684     item_position = level_ypos + 1;
9685   }
9686
9687   if (item_position > items_max - items_visible)
9688     item_position = items_max - items_visible;
9689
9690   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
9691                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
9692 }
9693
9694 static void AdjustElementListScrollbar(void)
9695 {
9696   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
9697   int items_max, items_visible, item_position;
9698
9699   // correct position of element list scrollbar
9700   if (element_shift < 0)
9701     element_shift = 0;
9702   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
9703     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
9704
9705   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
9706   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
9707   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
9708
9709   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
9710                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
9711                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
9712 }
9713
9714 static void ModifyEditorCounterValue(int counter_id, int new_value)
9715 {
9716   int *counter_value = counterbutton_info[counter_id].value;
9717   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
9718   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9719
9720   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
9721
9722   if (counter_value != NULL)
9723     *counter_value = gi->textinput.number_value;
9724 }
9725
9726 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
9727 {
9728   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
9729   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9730
9731   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
9732
9733   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
9734       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
9735   {
9736     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
9737     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
9738
9739     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
9740     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_SMALL_DISTANCE,
9741                  GDI_END);
9742   }
9743 }
9744
9745 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
9746 {
9747   int gadget_id = selectbox_info[selectbox_id].gadget_id;
9748   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9749   int new_index_value = setSelectboxValue(selectbox_id, new_value);
9750
9751   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
9752 }
9753
9754 static void ModifyEditorSelectboxOptions(int selectbox_id,
9755                                          struct ValueTextInfo *options)
9756 {
9757   int gadget_id = selectbox_info[selectbox_id].gadget_id;
9758   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9759
9760   selectbox_info[selectbox_id].options = options;
9761
9762   // set index to zero -- list may be shorter now (correct later, if needed)
9763   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
9764                GDI_SELECTBOX_OPTIONS, options, GDI_END);
9765 }
9766
9767 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
9768 {
9769   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
9770   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9771
9772   drawingarea_info[drawingarea_id].area_xsize = xsize;
9773   drawingarea_info[drawingarea_id].area_ysize = ysize;
9774
9775   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
9776 }
9777
9778 static void ModifyEditorElementList(void)
9779 {
9780   int i;
9781
9782   if (!use_permanent_palette && edit_mode != ED_MODE_PALETTE)
9783     return;
9784
9785   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
9786   {
9787     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
9788     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9789     struct GadgetDesign *gd = &gi->deco.design;
9790     int element = editor_elements[element_shift + i];
9791     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
9792
9793     UnmapGadget(gi);
9794
9795     getEditorGraphicSource(element, tile_size, &gd->bitmap, &gd->x, &gd->y);
9796
9797     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
9798
9799     MapGadget(gi);
9800   }
9801 }
9802
9803 static void DrawDrawingElementGraphic(int element, struct XYTileSize *pos)
9804 {
9805   int graphic = el2edimg(element);
9806   int tile_size = BUTTON_TILE_SIZE(pos->tile_size);
9807
9808   if (pos->x == -1 &&
9809       pos->y == -1)
9810     return;
9811
9812   DrawSizedGraphicExt(drawto, DX + pos->x, DY + pos->y, graphic, 0, tile_size);
9813 }
9814
9815 static void ModifyDrawingElementButton(int element, int id)
9816 {
9817   struct GadgetInfo *gi = level_editor_gadget[id];
9818   Bitmap *deco_bitmap;
9819   int deco_x, deco_y;
9820   int tile_size = gi->deco.width;
9821
9822   getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
9823
9824   ModifyGadget(gi, GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y, GDI_END);
9825 }
9826
9827 static void PickDrawingElement(int button, int element)
9828 {
9829   struct
9830   {
9831     int *new_element;
9832     struct XYTileSize *pos;
9833     int id;
9834   } de, drawing_elements[] =
9835   {
9836     { &new_element1, &editor.palette.element_left,   GADGET_ID_ELEMENT_LEFT   },
9837     { &new_element2, &editor.palette.element_middle, GADGET_ID_ELEMENT_MIDDLE },
9838     { &new_element3, &editor.palette.element_right,  GADGET_ID_ELEMENT_RIGHT  },
9839   };
9840
9841   if (button < 1 || button > 3)
9842     return;
9843
9844   if (IS_MM_WALL(element))
9845     element = map_mm_wall_element(element);
9846
9847   de = drawing_elements[button - 1];
9848
9849   *de.new_element = element;    // update global drawing element variable
9850
9851   DrawDrawingElementGraphic(element, de.pos);
9852   ModifyDrawingElementButton(element, de.id);
9853
9854   redraw_mask |= REDRAW_DOOR_1;
9855 }
9856
9857 static void RedrawDrawingElements(void)
9858 {
9859   PickDrawingElement(1, new_element1);
9860   PickDrawingElement(2, new_element2);
9861   PickDrawingElement(3, new_element3);
9862 }
9863
9864 static void DrawDrawingWindowExt(boolean remap_toolbox_gadgets)
9865 {
9866   stick_element_properties_window = FALSE;
9867
9868   SetMainBackgroundImage(IMG_UNDEFINED);
9869   ClearField();
9870
9871   UnmapLevelEditorFieldGadgets();
9872
9873   AdjustDrawingAreaGadgets();
9874   AdjustLevelScrollPosition();
9875   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
9876   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
9877
9878   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
9879
9880   MapMainDrawingArea();
9881
9882   if (remap_toolbox_gadgets)
9883   {
9884     UnmapLevelEditorToolboxCustomGadgets();
9885     MapLevelEditorToolboxDrawingGadgets();
9886   }
9887 }
9888
9889 static void DrawDrawingWindow(void)
9890 {
9891   DrawDrawingWindowExt(TRUE);
9892 }
9893
9894 static int getTabulatorBarWidth(void)
9895 {
9896   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
9897   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
9898
9899   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
9900 }
9901
9902 static int getTabulatorBarHeight(void)
9903 {
9904   return ED_TAB_BAR_HEIGHT;
9905 }
9906
9907 static Pixel getTabulatorBarColor(void)
9908 {
9909   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELCONFIG_LEVEL];
9910   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
9911   int gd_x = gd->x + gd_gi1->border.width / 2;
9912   int gd_y = gd->y + gd_gi1->height - 1;
9913
9914   return GetPixel(gd->bitmap, gd_x, gd_y);
9915 }
9916
9917 static void DrawLevelConfigTabulatorGadgets(void)
9918 {
9919   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELCONFIG_LEVEL];
9920   Pixel tab_color = getTabulatorBarColor();
9921   int id_first = ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL;
9922   int id_last  = ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR;
9923   int i;
9924
9925   // draw additional "engine" tabulator when using native BD engine
9926   if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
9927     id_last = ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE;
9928
9929   for (i = id_first; i <= id_last; i++)
9930   {
9931     int gadget_id = textbutton_info[i].gadget_id;
9932     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9933     boolean active = (i != edit_mode_levelconfig);
9934
9935     // draw background line below tabulator button
9936     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
9937
9938     // draw solid line below inactive tabulator buttons
9939     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
9940       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
9941                     ED_GADGET_TINY_DISTANCE, tab_color);
9942
9943     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
9944     MapTextbuttonGadget(i);
9945   }
9946
9947   // draw little border line below tabulator buttons
9948   if (tab_color != BLACK_PIXEL)                 // black => transparent
9949     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
9950                   ED_GADGET_TINY_DISTANCE,
9951                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
9952 }
9953
9954 static void DrawPropertiesTabulatorGadgets(void)
9955 {
9956   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
9957   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
9958   int gd_x = gd->x + gd_gi1->border.width / 2;
9959   int gd_y = gd->y + gd_gi1->height - 1;
9960   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
9961   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
9962   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
9963   int i;
9964
9965   // draw two config tabulators for player elements
9966   if (IS_PLAYER_ELEMENT(properties_element))
9967     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
9968
9969   // draw two config and one "change" tabulator for custom elements
9970   if (IS_CUSTOM_ELEMENT(properties_element))
9971     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
9972
9973   for (i = id_first; i <= id_last; i++)
9974   {
9975     int gadget_id = textbutton_info[i].gadget_id;
9976     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9977     boolean active = (i != edit_mode_properties);
9978
9979     // use "config 1" and "config 2" instead of "config" for players and CEs
9980     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
9981         (IS_PLAYER_ELEMENT(properties_element) ||
9982          IS_CUSTOM_ELEMENT(properties_element)))
9983       continue;
9984
9985     // draw background line below tabulator button
9986     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
9987
9988     // draw solid line below inactive tabulator buttons
9989     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
9990       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
9991                     ED_GADGET_TINY_DISTANCE, tab_color);
9992
9993     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
9994     MapTextbuttonGadget(i);
9995   }
9996
9997   // draw little border line below tabulator buttons
9998   if (tab_color != BLACK_PIXEL)                 // black => transparent
9999     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
10000                   ED_GADGET_TINY_DISTANCE,
10001                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
10002 }
10003
10004 static void PrintInfoText(char *text, int font_nr, int xpos, int ypos)
10005 {
10006   DrawText(SX + xpos, SY + ypos, text, font_nr);
10007 }
10008
10009 static int PrintElementDescriptionFromFile(char *filename, int font_nr,
10010                                            int xpos, int ypos)
10011 {
10012   int font_width = getFontWidth(font_nr);
10013   int font_height = getFontHeight(font_nr);
10014   int max_chars_per_line = (SXSIZE - 2 * xpos) / font_width;
10015   int max_lines_drawable = (SYSIZE - ypos) / font_height - 1;
10016
10017   return DrawTextFile(SX + xpos, SY + ypos, filename, font_nr,
10018                       max_chars_per_line, -1, max_lines_drawable, 0, -1,
10019                       TRUE, FALSE, FALSE);
10020 }
10021
10022 static void DrawLevelConfigLevel(void)
10023 {
10024   int i;
10025
10026   // draw counter gadgets
10027   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
10028     MapCounterButtons(i);
10029
10030   // draw checkbutton gadgets
10031   for (i = ED_CHECKBUTTON_ID_LEVEL_FIRST; i<= ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
10032     MapCheckbuttonGadget(i);
10033
10034   // draw selectbox gadgets
10035   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
10036     MapSelectboxGadget(i);
10037
10038   // draw text input gadgets
10039   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
10040     MapTextInputGadget(i);
10041 }
10042
10043 static char *getLevelSubdirFromSaveMode(int save_mode)
10044 {
10045   if (save_mode == LEVELSET_SAVE_MODE_CREATE)
10046     return getNewUserLevelSubdir();
10047
10048   return leveldir_current->subdir;
10049 }
10050
10051 static void DrawLevelConfigLevelSet_DirectoryInfo(void)
10052 {
10053   char *directory_text = "Level set directory:";
10054   char *directory_name = getLevelSubdirFromSaveMode(levelset_save_mode);
10055   int font1_nr = FONT_TEXT_1;
10056   int font2_nr = FONT_TEXT_2;
10057   int font1_height = getFontHeight(font1_nr);
10058   int yoffset_above = font1_height + ED_GADGET_LINE_DISTANCE;
10059   int x = ED_LEVEL_SETTINGS_X(0);
10060   int y = ED_LEVEL_SETTINGS_Y(6);
10061
10062   PrintInfoText(directory_text, font1_nr, x, y - yoffset_above);
10063   PrintInfoText(directory_name, font2_nr, x, y);
10064 }
10065
10066 static void DrawLevelConfigLevelSet(void)
10067 {
10068   boolean artwork_exists = checkIfCustomArtworkExistsForCurrentLevelSet();
10069   boolean template_exists = fileExists(getLocalLevelTemplateFilename());
10070   int i;
10071
10072   // draw counter gadgets
10073   for (i = ED_COUNTER_ID_LEVELSET_FIRST; i <= ED_COUNTER_ID_LEVELSET_LAST; i++)
10074     MapCounterButtons(i);
10075
10076   // draw checkbutton gadgets
10077   for (i = ED_CHECKBUTTON_ID_LEVELSET_FIRST; i <= ED_CHECKBUTTON_ID_LEVELSET_LAST; i++)
10078   {
10079     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE ||
10080         (i == ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK && !artwork_exists) ||
10081         (i == ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE  && !template_exists))
10082       continue;
10083
10084     MapCheckbuttonGadget(i);
10085   }
10086
10087   // draw selectbox gadgets
10088   for (i = ED_SELECTBOX_ID_LEVELSET_FIRST; i <= ED_SELECTBOX_ID_LEVELSET_LAST; i++)
10089     MapSelectboxGadget(i);
10090
10091   // draw text input gadgets
10092   for (i = ED_TEXTINPUT_ID_LEVELSET_FIRST; i <= ED_TEXTINPUT_ID_LEVELSET_LAST; i++)
10093     MapTextInputGadget(i);
10094
10095   // draw textbutton gadgets
10096   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_LEVELSET);
10097
10098   // draw info text
10099   DrawLevelConfigLevelSet_DirectoryInfo();
10100 }
10101
10102 static void DrawLevelConfigEditor(void)
10103 {
10104   int i;
10105
10106   // draw counter gadgets
10107   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
10108     MapCounterButtons(i);
10109
10110   // draw checkbutton gadgets
10111   for (i = ED_CHECKBUTTON_ID_EDITOR_FIRST; i <= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
10112     MapCheckbuttonGadget(i);
10113
10114   // draw radiobutton gadgets
10115   for (i = ED_RADIOBUTTON_ID_EDITOR_FIRST; i <= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
10116     MapRadiobuttonGadget(i);
10117
10118   // draw drawing area
10119   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
10120
10121   // draw textbutton gadgets
10122   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2);
10123 }
10124
10125 static void DrawLevelConfigEngine(void)
10126 {
10127   int i;
10128
10129   // draw counter gadgets
10130   if (level.bd_scheduling_type == GD_SCHEDULING_MILLISECONDS)
10131   {
10132     MapCounterButtons(ED_COUNTER_ID_BD_CYCLE_DELAY_MS);
10133     MapCounterButtons(ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES);
10134   }
10135   else
10136   {
10137     MapCounterButtons(ED_COUNTER_ID_BD_CYCLE_DELAY_C64);
10138     MapCounterButtons(ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS);
10139   }
10140
10141   // draw checkbutton gadgets
10142   for (i = ED_CHECKBUTTON_ID_ENGINE_FIRST; i <= ED_CHECKBUTTON_ID_ENGINE_LAST; i++)
10143     MapCheckbuttonGadget(i);
10144
10145   // draw selectbox gadgets
10146   for (i = ED_SELECTBOX_ID_ENGINE_FIRST; i <= ED_SELECTBOX_ID_ENGINE_LAST; i++)
10147     MapSelectboxGadget(i);
10148 }
10149
10150 static void DrawLevelConfigWindow(void)
10151 {
10152   char *text = "Global Settings";
10153   int font_nr = FONT_TITLE_1;
10154   struct MenuPosInfo *pos = &editor.settings.headline;
10155   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font_nr), pos->align);
10156   int sy = SY + pos->y;
10157
10158   stick_element_properties_window = FALSE;
10159
10160   SetAutomaticNumberOfGemsNeeded();
10161
10162   UnmapLevelEditorFieldGadgets();
10163
10164   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
10165   ClearField();
10166
10167   DrawText(sx, sy, text, font_nr);
10168
10169   DrawLevelConfigTabulatorGadgets();
10170
10171   if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_LEVEL)
10172     DrawLevelConfigLevel();
10173   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_LEVELSET)
10174     DrawLevelConfigLevelSet();
10175   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_EDITOR)
10176     DrawLevelConfigEditor();
10177   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_ENGINE)
10178     DrawLevelConfigEngine();
10179 }
10180
10181 static void DrawCustomContentArea(void)
10182 {
10183   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
10184   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
10185   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
10186   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
10187   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
10188   int xoffset = ED_GADGET_SPACE_DISTANCE;
10189
10190   // add distance for potential left text (without drawing area border)
10191   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
10192
10193   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
10194
10195   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
10196 }
10197
10198 static void DrawCustomChangeContentArea(void)
10199 {
10200   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
10201   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
10202   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
10203   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
10204   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
10205   int xoffset = ED_GADGET_SPACE_DISTANCE;
10206
10207   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
10208
10209   MapDrawingArea(id);
10210 }
10211
10212 static void RemoveElementContentArea(int id, int font_height)
10213 {
10214   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10215
10216   DrawBackground(SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size,
10217                  SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size,
10218                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10219                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size +
10220                  ED_GADGET_TEXT_DISTANCE + font_height);
10221 }
10222
10223 static void DrawYamYamContentAreas(void)
10224 {
10225   int font_nr = FONT_TEXT_1;
10226   int font_height = getFontHeight(font_nr);
10227   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
10228   int yoffset = (tilesize - font_height) / 2;
10229   int x = SX + ED_AREA_YAMYAM_CONTENT_X(3) + 4 * tilesize;
10230   int y = SY + ED_AREA_YAMYAM_CONTENT_Y(3) + yoffset;
10231   int i;
10232
10233   // display counter to choose number of element content areas
10234   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
10235
10236   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
10237   {
10238     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
10239
10240     if (i < level.num_yamyam_contents)
10241     {
10242       MapDrawingArea(id);
10243     }
10244     else
10245     {
10246       UnmapDrawingArea(id);
10247
10248       // delete content areas in case of reducing number of them
10249       RemoveElementContentArea(id, font_height);
10250     }
10251   }
10252
10253   DrawText(x, y + 0 * tilesize, "content", font_nr);
10254   DrawText(x, y + 1 * tilesize, "when",    font_nr);
10255   DrawText(x, y + 2 * tilesize, "smashed", font_nr);
10256 }
10257
10258 static void DrawMagicBallContentAreas(void)
10259 {
10260   int font_nr = FONT_TEXT_1;
10261   int font_height = getFontHeight(font_nr);
10262   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
10263   int yoffset = (tilesize - font_height) / 2;
10264   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_X(3) + 4 * tilesize;
10265   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_Y(3) + yoffset;
10266   int i;
10267
10268   // display counter to choose number of element content areas
10269   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
10270
10271   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
10272   {
10273     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
10274
10275     if (i < level.num_ball_contents)
10276     {
10277       MapDrawingArea(id);
10278     }
10279     else
10280     {
10281       UnmapDrawingArea(id);
10282
10283       // delete content areas in case of reducing number of them
10284       RemoveElementContentArea(id, font_height);
10285     }
10286   }
10287
10288   DrawText(x, y + 0 * tilesize, "generated", font_nr);
10289   DrawText(x, y + 1 * tilesize, "when",      font_nr);
10290   DrawText(x, y + 2 * tilesize, "active",    font_nr);
10291 }
10292
10293 static void DrawAndroidElementArea(void)
10294 {
10295   int id = ED_DRAWING_ID_ANDROID_CONTENT;
10296   int num_elements = level.num_android_clone_elements;
10297   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10298   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
10299   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
10300   int xsize = MAX_ANDROID_ELEMENTS;
10301   int ysize = 1;
10302
10303   // display counter to choose number of element areas
10304   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
10305
10306   if (drawingarea_info[id].text_left != NULL)
10307     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
10308
10309   UnmapDrawingArea(id);
10310
10311   ModifyEditorDrawingArea(id, num_elements, 1);
10312
10313   // delete content areas in case of reducing number of them
10314   DrawBackground(sx, sy,
10315                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10316                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
10317
10318   MapDrawingArea(id);
10319 }
10320
10321 static void DrawGroupElementArea(void)
10322 {
10323   int id = ED_DRAWING_ID_GROUP_CONTENT;
10324   int num_elements = group_element_info.num_elements;
10325   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10326   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
10327   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
10328   int xsize = MAX_ELEMENTS_IN_GROUP;
10329   int ysize = 1;
10330
10331   if (drawingarea_info[id].text_left != NULL)
10332     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
10333
10334   UnmapDrawingArea(id);
10335
10336   ModifyEditorDrawingArea(id, num_elements, 1);
10337
10338   // delete content areas in case of reducing number of them
10339   DrawBackground(sx, sy,
10340                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10341                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
10342
10343   MapDrawingArea(id);
10344 }
10345
10346 static void DrawPlayerInitialInventoryArea(int element)
10347 {
10348   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
10349   int player_nr = GET_PLAYER_NR(element);
10350   int num_elements = level.initial_inventory_size[player_nr];
10351   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10352   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
10353   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
10354   int xsize = MAX_INITIAL_INVENTORY_SIZE;
10355   int ysize = 1;
10356
10357   // determine horizontal position to the right of specified gadget
10358   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
10359     sx = (right_gadget_border[drawingarea_info[id].gadget_id_align] +
10360           ED_DRAWINGAREA_TEXT_DISTANCE);
10361
10362   // determine horizontal offset for leading text
10363   if (drawingarea_info[id].text_left != NULL)
10364     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
10365
10366   UnmapDrawingArea(id);
10367
10368   ModifyEditorDrawingArea(id, num_elements, 1);
10369
10370   // delete content areas in case of reducing number of them
10371   DrawBackground(sx, sy,
10372                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10373                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
10374
10375   MapDrawingArea(id);
10376 }
10377
10378 static void DrawMMBallContentArea(void)
10379 {
10380   int id = ED_DRAWING_ID_MM_BALL_CONTENT;
10381   int num_elements = level.num_mm_ball_contents;
10382   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10383   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
10384   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
10385   int xsize = MAX_MM_BALL_CONTENTS;
10386   int ysize = 1;
10387
10388   if (drawingarea_info[id].text_left != NULL)
10389     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
10390
10391   UnmapDrawingArea(id);
10392
10393   ModifyEditorDrawingArea(id, num_elements, 1);
10394
10395   // delete content areas in case of reducing number of them
10396   DrawBackground(sx, sy,
10397                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10398                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
10399
10400   MapDrawingArea(id);
10401 }
10402
10403 static void DrawEnvelopeTextArea(int envelope_nr)
10404 {
10405   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
10406   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
10407
10408   UnmapGadget(gi);
10409
10410   DrawBackground(gi->x, gi->y,
10411                  gi->textarea.crop_width, gi->textarea.crop_height);
10412
10413   if (envelope_nr != -1)
10414     textarea_info[id].value = level.envelope[envelope_nr].text;
10415
10416   ModifyGadget(gi, GDI_AREA_SIZE,
10417                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
10418                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
10419                GDI_END);
10420
10421   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
10422 }
10423
10424 static void DrawPropertiesInfo(void)
10425 {
10426   static struct
10427   {
10428     int value;
10429     char *text;
10430   }
10431   properties[] =
10432   {
10433     // configurable properties
10434
10435     { EP_WALKABLE_OVER,         "- player can walk over it"             },
10436     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
10437     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
10438     { EP_PASSABLE_OVER,         "- player can pass over it"             },
10439     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
10440     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
10441     { EP_PROTECTED,             "- player is protected by it"           },
10442
10443     { EP_DIGGABLE,              "- can be digged away"                  },
10444     { EP_COLLECTIBLE,           "- can be collected"                    },
10445     { EP_DROPPABLE,             "- can be dropped after collecting"     },
10446     { EP_THROWABLE,             "- can be thrown after collecting"      },
10447     { EP_PUSHABLE,              "- can be pushed"                       },
10448
10449     { EP_CAN_FALL,              "- can fall"                            },
10450     { EP_CAN_MOVE,              "- can move"                            },
10451
10452     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
10453 #if 0
10454     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
10455 #endif
10456     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
10457
10458     { EP_SLIPPERY,              "- slippery for falling elements"       },
10459     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
10460
10461     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
10462     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
10463     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
10464     { EP_DONT_TOUCH,            "- deadly when touching"                },
10465
10466     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
10467
10468     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
10469     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
10470     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
10471
10472     { EP_CAN_CHANGE,            "- can change to other element"         },
10473
10474     // pre-defined properties
10475     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
10476     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
10477     { EP_SWITCHABLE,            "- can be switched"                     },
10478 #if 0
10479     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
10480 #endif
10481
10482     { -1,                       NULL                                    }
10483   };
10484   char *filename = getElementDescriptionFilename(properties_element);
10485   char *num_elements_text = "In this level: ";
10486   char *num_similar_text = "Similar tiles: ";
10487   char *properties_text = "Standard properties: ";
10488   char *description_text = "Description:";
10489   char *no_description_text = "No description available.";
10490   char *none_text = "None";
10491   float percentage;
10492   int num_elements_in_level = 0;
10493   int num_similar_in_level = 0;
10494   int num_hires_tiles_in_level = 0;
10495   int num_standard_properties = 0;
10496   int font1_nr = FONT_TEXT_1;
10497   int font2_nr = FONT_TEXT_2;
10498   int font1_width = getFontWidth(font1_nr);
10499   int font1_height = getFontHeight(font1_nr);
10500   int font2_height = getFontHeight(font2_nr);
10501   int line1_height = font1_height + ED_GADGET_LINE_DISTANCE;
10502   int font2_yoffset = (font1_height - font2_height) / 2;
10503   int num_elements_text_len = strlen(num_elements_text) * font1_width;
10504   int num_similar_text_len = strlen(num_similar_text) * font1_width;
10505   int properties_text_len = strlen(properties_text) * font1_width;
10506   int xpos = ED_ELEMENT_SETTINGS_X(0);
10507   int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
10508   int i, x, y;
10509
10510   if (setup.editor.show_element_token)
10511   {
10512     int font3_nr = FONT_TEXT_3;
10513     int font3_height = getFontHeight(font3_nr);
10514
10515     DrawTextF(xpos, ypos, font3_nr,
10516               "[%s]", element_info[properties_element].token_name);
10517
10518     ypos += 2 * font3_height;
10519   }
10520
10521   // ----- print number of elements / percentage of this element in level
10522
10523   for (y = 0; y < lev_fieldy; y++)
10524   {
10525     for (x = 0; x < lev_fieldx; x++)
10526     {
10527       if (Tile[x][y] == properties_element)
10528       {
10529         num_elements_in_level++;
10530       }
10531       else if (IS_MM_WALL(Tile[x][y]) &&
10532                map_mm_wall_element(Tile[x][y]) == properties_element)
10533       {
10534         num_hires_tiles_in_level += numHiresTiles(Tile[x][y]);
10535       }
10536     }
10537   }
10538
10539   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
10540
10541   DrawTextS(xpos, ypos, font1_nr, num_elements_text);
10542
10543   if (num_hires_tiles_in_level > 0)
10544     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
10545               "%d wall tiles", num_hires_tiles_in_level);
10546   else if (num_elements_in_level > 0)
10547     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
10548               "%d (%.2f %%)", num_elements_in_level, percentage);
10549   else
10550     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
10551               none_text);
10552
10553   // ----- print number of similar elements / percentage of them in level
10554
10555   for (y = 0; y < lev_fieldy; y++)
10556   {
10557     for (x = 0; x < lev_fieldx; x++)
10558     {
10559       if (strEqual(element_info[Tile[x][y]].class_name,
10560                    element_info[properties_element].class_name))
10561       {
10562         num_similar_in_level++;
10563       }
10564     }
10565   }
10566
10567   if (num_similar_in_level != num_elements_in_level)
10568   {
10569     ypos += 1 * MAX(font1_height, font2_height);
10570
10571     percentage = num_similar_in_level * 100.0 / (lev_fieldx * lev_fieldy);
10572
10573     DrawTextS(xpos, ypos, font1_nr, num_similar_text);
10574
10575     if (num_similar_in_level > 0)
10576       DrawTextF(xpos + num_similar_text_len, ypos + font2_yoffset, font2_nr,
10577                 "%d (%.2f %%)", num_similar_in_level, percentage);
10578     else
10579       DrawTextF(xpos + num_similar_text_len, ypos + font2_yoffset, font2_nr,
10580                 none_text);
10581   }
10582
10583   ypos += 2 * MAX(font1_height, font2_height);
10584
10585   // ----- print standard properties of this element
10586
10587   DrawTextS(xpos, ypos, font1_nr, properties_text);
10588
10589   ypos += line1_height;
10590
10591   for (i = 0; properties[i].value != -1; i++)
10592   {
10593     if (!HAS_PROPERTY(properties_element, properties[i].value))
10594       continue;
10595
10596     DrawTextS(xpos, ypos, font2_nr, properties[i].text);
10597
10598     ypos += font2_height;
10599
10600     num_standard_properties++;
10601   }
10602
10603   if (num_standard_properties == 0)
10604   {
10605     DrawTextS(xpos + properties_text_len, ypos - line1_height + font2_yoffset,
10606               font2_nr, none_text);
10607
10608     ypos -= (line1_height - font1_height);
10609   }
10610
10611   ypos += MAX(font1_height, font2_height);
10612
10613   // ----- print special description of this element
10614
10615   PrintInfoText(description_text, font1_nr, xpos, ypos);
10616
10617   ypos += line1_height;
10618
10619   if (PrintElementDescriptionFromFile(filename, font2_nr, xpos, ypos) == 0)
10620     PrintInfoText(no_description_text, font1_nr, xpos, ypos - line1_height);
10621 }
10622
10623 #define TEXT_COLLECTING         "Score for collecting"
10624 #define TEXT_COLLECTING_EXTRA   "Score for extra diamonds"
10625 #define TEXT_SMASHING           "Score for smashing"
10626 #define TEXT_SLURPING           "Score for slurping robot"
10627 #define TEXT_CRACKING           "Score for cracking"
10628 #define TEXT_AMOEBA_SPEED       "Speed of amoeba growth"
10629 #define TEXT_DURATION           "Duration when activated"
10630 #define TEXT_DELAY_ON           "Delay before activating"
10631 #define TEXT_DELAY_OFF          "Delay before deactivating"
10632 #define TEXT_DELAY_CHANGING     "Delay before changing"
10633 #define TEXT_DELAY_EXPLODING    "Delay before exploding"
10634 #define TEXT_DELAY_MOVING       "Delay before moving"
10635 #define TEXT_BALL_DELAY         "Element generation delay"
10636 #define TEXT_MOVE_SPEED         "Speed of android moving"
10637 #define TEXT_CLONE_SPEED        "Speed of android cloning"
10638 #define TEXT_GAME_OF_LIFE_1     "Min neighbours to survive"
10639 #define TEXT_GAME_OF_LIFE_2     "Max neighbours to survive"
10640 #define TEXT_GAME_OF_LIFE_3     "Min neighbours to create"
10641 #define TEXT_GAME_OF_LIFE_4     "Max neighbours to create"
10642 #define TEXT_TIME_BONUS         "Extra time to solve level"
10643
10644 static struct
10645 {
10646   int element;
10647   int *value;
10648   char *text;
10649 } elements_with_counter[] =
10650 {
10651   { EL_EMERALD,                 &level.score[SC_EMERALD],       TEXT_COLLECTING         },
10652   { EL_BD_DIAMOND,              &level.score[SC_EMERALD],       TEXT_COLLECTING         },
10653   { EL_BD_DIAMOND,              &level.score[SC_DIAMOND_EXTRA], TEXT_COLLECTING_EXTRA   },
10654   { EL_EMERALD_YELLOW,          &level.score[SC_EMERALD],       TEXT_COLLECTING         },
10655   { EL_EMERALD_RED,             &level.score[SC_EMERALD],       TEXT_COLLECTING         },
10656   { EL_EMERALD_PURPLE,          &level.score[SC_EMERALD],       TEXT_COLLECTING         },
10657   { EL_SP_INFOTRON,             &level.score[SC_EMERALD],       TEXT_COLLECTING         },
10658   { EL_DIAMOND,                 &level.score[SC_DIAMOND],       TEXT_COLLECTING         },
10659   { EL_CRYSTAL,                 &level.score[SC_CRYSTAL],       TEXT_COLLECTING         },
10660   { EL_PEARL,                   &level.score[SC_PEARL],         TEXT_COLLECTING         },
10661   { EL_BUG,                     &level.score[SC_BUG],           TEXT_SMASHING           },
10662   { EL_BUG_RIGHT,               &level.score[SC_BUG],           TEXT_SMASHING           },
10663   { EL_BUG_UP,                  &level.score[SC_BUG],           TEXT_SMASHING           },
10664   { EL_BUG_LEFT,                &level.score[SC_BUG],           TEXT_SMASHING           },
10665   { EL_BUG_DOWN,                &level.score[SC_BUG],           TEXT_SMASHING           },
10666   { EL_BD_BUTTERFLY,            &level.score[SC_BUG],           TEXT_SMASHING           },
10667   { EL_BD_BUTTERFLY_RIGHT,      &level.score[SC_BUG],           TEXT_SMASHING           },
10668   { EL_BD_BUTTERFLY_UP,         &level.score[SC_BUG],           TEXT_SMASHING           },
10669   { EL_BD_BUTTERFLY_LEFT,       &level.score[SC_BUG],           TEXT_SMASHING           },
10670   { EL_BD_BUTTERFLY_DOWN,       &level.score[SC_BUG],           TEXT_SMASHING           },
10671   { EL_SP_ELECTRON,             &level.score[SC_BUG],           TEXT_SMASHING           },
10672   { EL_SPACESHIP,               &level.score[SC_SPACESHIP],     TEXT_SMASHING           },
10673   { EL_SPACESHIP_RIGHT,         &level.score[SC_SPACESHIP],     TEXT_SMASHING           },
10674   { EL_SPACESHIP_UP,            &level.score[SC_SPACESHIP],     TEXT_SMASHING           },
10675   { EL_SPACESHIP_LEFT,          &level.score[SC_SPACESHIP],     TEXT_SMASHING           },
10676   { EL_SPACESHIP_DOWN,          &level.score[SC_SPACESHIP],     TEXT_SMASHING           },
10677   { EL_BD_FIREFLY,              &level.score[SC_SPACESHIP],     TEXT_SMASHING           },
10678   { EL_BD_FIREFLY_RIGHT,        &level.score[SC_SPACESHIP],     TEXT_SMASHING           },
10679   { EL_BD_FIREFLY_UP,           &level.score[SC_SPACESHIP],     TEXT_SMASHING           },
10680   { EL_BD_FIREFLY_LEFT,         &level.score[SC_SPACESHIP],     TEXT_SMASHING           },
10681   { EL_BD_FIREFLY_DOWN,         &level.score[SC_SPACESHIP],     TEXT_SMASHING           },
10682   { EL_SP_SNIKSNAK,             &level.score[SC_SPACESHIP],     TEXT_SMASHING           },
10683   { EL_YAMYAM,                  &level.score[SC_YAMYAM],        TEXT_SMASHING           },
10684   { EL_YAMYAM_LEFT,             &level.score[SC_YAMYAM],        TEXT_SMASHING           },
10685   { EL_YAMYAM_RIGHT,            &level.score[SC_YAMYAM],        TEXT_SMASHING           },
10686   { EL_YAMYAM_UP,               &level.score[SC_YAMYAM],        TEXT_SMASHING           },
10687   { EL_YAMYAM_DOWN,             &level.score[SC_YAMYAM],        TEXT_SMASHING           },
10688   { EL_DARK_YAMYAM,             &level.score[SC_YAMYAM],        TEXT_SMASHING           },
10689   { EL_ROBOT,                   &level.score[SC_ROBOT],         TEXT_SMASHING           },
10690   { EL_PACMAN,                  &level.score[SC_PACMAN],        TEXT_SMASHING           },
10691   { EL_PACMAN_RIGHT,            &level.score[SC_PACMAN],        TEXT_SMASHING           },
10692   { EL_PACMAN_UP,               &level.score[SC_PACMAN],        TEXT_SMASHING           },
10693   { EL_PACMAN_LEFT,             &level.score[SC_PACMAN],        TEXT_SMASHING           },
10694   { EL_PACMAN_DOWN,             &level.score[SC_PACMAN],        TEXT_SMASHING           },
10695   { EL_NUT,                     &level.score[SC_NUT],           TEXT_CRACKING           },
10696   { EL_DYNAMITE,                &level.score[SC_DYNAMITE],      TEXT_COLLECTING         },
10697   { EL_EM_DYNAMITE,             &level.score[SC_DYNAMITE],      TEXT_COLLECTING         },
10698   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],      TEXT_COLLECTING         },
10699   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],      TEXT_COLLECTING         },
10700   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],      TEXT_COLLECTING         },
10701   { EL_SHIELD_NORMAL,           &level.score[SC_SHIELD],        TEXT_COLLECTING         },
10702   { EL_SHIELD_DEADLY,           &level.score[SC_SHIELD],        TEXT_COLLECTING         },
10703   { EL_EXTRA_TIME,              &level.extra_time_score,        TEXT_COLLECTING         },
10704   { EL_KEY_1,                   &level.score[SC_KEY],           TEXT_COLLECTING         },
10705   { EL_KEY_2,                   &level.score[SC_KEY],           TEXT_COLLECTING         },
10706   { EL_KEY_3,                   &level.score[SC_KEY],           TEXT_COLLECTING         },
10707   { EL_KEY_4,                   &level.score[SC_KEY],           TEXT_COLLECTING         },
10708   { EL_EM_KEY_1,                &level.score[SC_KEY],           TEXT_COLLECTING         },
10709   { EL_EM_KEY_2,                &level.score[SC_KEY],           TEXT_COLLECTING         },
10710   { EL_EM_KEY_3,                &level.score[SC_KEY],           TEXT_COLLECTING         },
10711   { EL_EM_KEY_4,                &level.score[SC_KEY],           TEXT_COLLECTING         },
10712   { EL_EMC_KEY_5,               &level.score[SC_KEY],           TEXT_COLLECTING         },
10713   { EL_EMC_KEY_6,               &level.score[SC_KEY],           TEXT_COLLECTING         },
10714   { EL_EMC_KEY_7,               &level.score[SC_KEY],           TEXT_COLLECTING         },
10715   { EL_EMC_KEY_8,               &level.score[SC_KEY],           TEXT_COLLECTING         },
10716   { EL_DC_KEY_WHITE,            &level.score[SC_KEY],           TEXT_COLLECTING         },
10717   { EL_MM_KETTLE,               &level.score[SC_EMERALD],       TEXT_COLLECTING         },
10718   { EL_DF_CELL,                 &level.score[SC_EMERALD],       TEXT_COLLECTING         },
10719   { EL_MM_KEY,                  &level.score[SC_KEY],           TEXT_COLLECTING         },
10720   { EL_MM_LIGHTBALL,            &level.score[SC_ELEM_BONUS],    TEXT_COLLECTING         },
10721   { EL_MM_PACMAN,               &level.score[SC_PACMAN],        TEXT_SMASHING           },
10722   { EL_MM_PACMAN_RIGHT,         &level.score[SC_PACMAN],        TEXT_SMASHING           },
10723   { EL_MM_PACMAN_UP,            &level.score[SC_PACMAN],        TEXT_SMASHING           },
10724   { EL_MM_PACMAN_LEFT,          &level.score[SC_PACMAN],        TEXT_SMASHING           },
10725   { EL_MM_PACMAN_DOWN,          &level.score[SC_PACMAN],        TEXT_SMASHING           },
10726   { EL_AMOEBA_WET,              &level.amoeba_speed,            TEXT_AMOEBA_SPEED       },
10727   { EL_AMOEBA_DRY,              &level.amoeba_speed,            TEXT_AMOEBA_SPEED       },
10728   { EL_AMOEBA_FULL,             &level.amoeba_speed,            TEXT_AMOEBA_SPEED       },
10729   { EL_BD_AMOEBA,               &level.amoeba_speed,            TEXT_AMOEBA_SPEED       },
10730   { EL_EMC_DRIPPER,             &level.amoeba_speed,            TEXT_AMOEBA_SPEED       },
10731   { EL_MAGIC_WALL,              &level.time_magic_wall,         TEXT_DURATION           },
10732   { EL_BD_MAGIC_WALL,           &level.time_magic_wall,         TEXT_DURATION           },
10733   { EL_DC_MAGIC_WALL,           &level.time_magic_wall,         TEXT_DURATION           },
10734   { EL_ROBOT_WHEEL,             &level.time_wheel,              TEXT_DURATION           },
10735   { EL_TIMEGATE_SWITCH,         &level.time_timegate,           TEXT_DURATION           },
10736   { EL_DC_TIMEGATE_SWITCH,      &level.time_timegate,           TEXT_DURATION           },
10737   { EL_LIGHT_SWITCH,            &level.time_light,              TEXT_DURATION           },
10738   { EL_LIGHT_SWITCH_ACTIVE,     &level.time_light,              TEXT_DURATION           },
10739   { EL_SHIELD_NORMAL,           &level.shield_normal_time,      TEXT_DURATION           },
10740   { EL_SHIELD_DEADLY,           &level.shield_deadly_time,      TEXT_DURATION           },
10741   { EL_EXTRA_TIME,              &level.extra_time,              TEXT_TIME_BONUS         },
10742   { EL_TIME_ORB_FULL,           &level.time_orb_time,           TEXT_TIME_BONUS         },
10743   { EL_GAME_OF_LIFE,            &level.game_of_life[0],         TEXT_GAME_OF_LIFE_1     },
10744   { EL_GAME_OF_LIFE,            &level.game_of_life[1],         TEXT_GAME_OF_LIFE_2     },
10745   { EL_GAME_OF_LIFE,            &level.game_of_life[2],         TEXT_GAME_OF_LIFE_3     },
10746   { EL_GAME_OF_LIFE,            &level.game_of_life[3],         TEXT_GAME_OF_LIFE_4     },
10747   { EL_BIOMAZE,                 &level.biomaze[0],              TEXT_GAME_OF_LIFE_1     },
10748   { EL_BIOMAZE,                 &level.biomaze[1],              TEXT_GAME_OF_LIFE_2     },
10749   { EL_BIOMAZE,                 &level.biomaze[2],              TEXT_GAME_OF_LIFE_3     },
10750   { EL_BIOMAZE,                 &level.biomaze[3],              TEXT_GAME_OF_LIFE_4     },
10751   { EL_EMC_ANDROID,             &level.android_move_time,       TEXT_MOVE_SPEED         },
10752   { EL_EMC_ANDROID,             &level.android_clone_time,      TEXT_CLONE_SPEED        },
10753   { EL_EMC_MAGIC_BALL,          &level.ball_time,               TEXT_BALL_DELAY         },
10754   { EL_EMC_LENSES,              &level.lenses_score,            TEXT_COLLECTING         },
10755   { EL_EMC_MAGNIFIER,           &level.magnify_score,           TEXT_COLLECTING         },
10756   { EL_SPRING,                  &level.slurp_score,             TEXT_SLURPING           },
10757   { EL_SPRING_LEFT,             &level.slurp_score,             TEXT_SLURPING           },
10758   { EL_SPRING_RIGHT,            &level.slurp_score,             TEXT_SLURPING           },
10759   { EL_EMC_LENSES,              &level.lenses_time,             TEXT_DURATION           },
10760   { EL_EMC_MAGNIFIER,           &level.magnify_time,            TEXT_DURATION           },
10761   { EL_MM_FUSE_ACTIVE,          &level.mm_time_fuse,            TEXT_DELAY_OFF          },
10762   { EL_MM_BOMB,                 &level.mm_time_bomb,            TEXT_DELAY_EXPLODING    },
10763   { EL_MM_GRAY_BALL,            &level.mm_time_ball,            TEXT_DELAY_CHANGING     },
10764   { EL_MM_STEEL_BLOCK,          &level.mm_time_block,           TEXT_DELAY_MOVING       },
10765   { EL_MM_WOODEN_BLOCK,         &level.mm_time_block,           TEXT_DELAY_MOVING       },
10766
10767   { -1,                         NULL,                           NULL                    }
10768 };
10769
10770 static boolean checkPropertiesConfig(int element)
10771 {
10772   int i;
10773
10774   // special case: empty space customization only available in R'n'D game engine
10775   if (element == EL_EMPTY_SPACE && level.game_engine_type != GAME_ENGINE_TYPE_RND)
10776     return FALSE;
10777
10778   if (IS_GEM(element) ||
10779       IS_CUSTOM_ELEMENT(element) ||
10780       IS_GROUP_ELEMENT(element) ||
10781       IS_EMPTY_ELEMENT(element) ||
10782       IS_BALLOON_ELEMENT(element) ||
10783       IS_ENVELOPE(element) ||
10784       IS_MM_ENVELOPE(element) ||
10785       IS_MM_MCDUFFIN(element) ||
10786       IS_DF_LASER(element) ||
10787       IS_PLAYER_ELEMENT(element) ||
10788       IS_BD_PLAYER_ELEMENT(element) ||
10789       IS_SOKOBAN_OBJECT_OR_FIELD(element) ||
10790       HAS_EDITOR_CONTENT(element) ||
10791       CAN_GROW(element) ||
10792       COULD_MOVE_INTO_ACID(element) ||
10793       MAYBE_DONT_COLLIDE_WITH(element))
10794     return TRUE;
10795   else
10796     for (i = 0; elements_with_counter[i].element != -1; i++)
10797       if (elements_with_counter[i].element == element)
10798         return TRUE;
10799
10800   return FALSE;
10801 }
10802
10803 static void SetAutomaticNumberOfGemsNeeded(void)
10804 {
10805   int x, y;
10806
10807   if (!level.auto_count_gems)
10808     return;
10809
10810   level.gems_needed = 0;
10811
10812   for (x = 0; x < lev_fieldx; x++)
10813   {
10814     for (y = 0; y < lev_fieldy; y++)
10815     {
10816       int element = Tile[x][y];
10817
10818       switch (element)
10819       {
10820         case EL_EMERALD:
10821         case EL_EMERALD_YELLOW:
10822         case EL_EMERALD_RED:
10823         case EL_EMERALD_PURPLE:
10824         case EL_BD_DIAMOND:
10825         case EL_WALL_EMERALD:
10826         case EL_WALL_EMERALD_YELLOW:
10827         case EL_WALL_EMERALD_RED:
10828         case EL_WALL_EMERALD_PURPLE:
10829         case EL_WALL_BD_DIAMOND:
10830         case EL_NUT:
10831         case EL_SP_INFOTRON:
10832         case EL_MM_KETTLE:
10833         case EL_DF_CELL:
10834           level.gems_needed++;
10835           break;
10836
10837         case EL_DIAMOND:
10838         case EL_WALL_DIAMOND:
10839           level.gems_needed += 3;
10840           break;
10841
10842         case EL_PEARL:
10843         case EL_WALL_PEARL:
10844           level.gems_needed += 5;
10845           break;
10846
10847         case EL_CRYSTAL:
10848         case EL_WALL_CRYSTAL:
10849           level.gems_needed += 8;
10850           break;
10851
10852         default:
10853           break;
10854       }
10855     }
10856   }
10857
10858   ModifyEditorCounterValue(ED_COUNTER_ID_LEVEL_GEMSLIMIT, level.gems_needed);
10859 }
10860
10861 static void DrawPropertiesConfig(void)
10862 {
10863   boolean draw_footer_line = FALSE;
10864   int max_num_element_counters = 4;
10865   int num_element_counters = 0;
10866   int i;
10867
10868   if (!checkPropertiesConfig(properties_element))
10869   {
10870     int xpos = ED_ELEMENT_SETTINGS_X(0);
10871     int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
10872
10873     PrintInfoText("No configuration options available.",
10874                   FONT_TEXT_1, xpos, ypos);
10875
10876     return;
10877   }
10878
10879   // check if there are elements where a value can be chosen for
10880   for (i = 0; elements_with_counter[i].element != -1; i++)
10881   {
10882     if (elements_with_counter[i].element == properties_element)
10883     {
10884       int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
10885
10886       counterbutton_info[counter_id].y =
10887         ED_ELEMENT_SETTINGS_YPOS(
10888                 (HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
10889                 (CAN_GROW(properties_element)                ? 1 : 0) +
10890                 (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
10891                 (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
10892                 (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
10893                 num_element_counters);
10894
10895       counterbutton_info[counter_id].value = elements_with_counter[i].value;
10896       counterbutton_info[counter_id].text_right = elements_with_counter[i].text;
10897
10898       if (properties_element == EL_GAME_OF_LIFE ||
10899           properties_element == EL_BIOMAZE)
10900       {
10901         counterbutton_info[counter_id].min_value = 0;   // min neighbours
10902         counterbutton_info[counter_id].max_value = 8;   // max neighbours
10903       }
10904       else
10905       {
10906         // !!! CHANGE THIS FOR CERTAIN ELEMENTS !!!
10907         counterbutton_info[counter_id].min_value = MIN_SCORE;
10908         counterbutton_info[counter_id].max_value = MAX_SCORE;
10909       }
10910
10911       MapCounterButtons(counter_id);
10912
10913       num_element_counters++;
10914       if (num_element_counters >= max_num_element_counters)
10915         break;
10916     }
10917   }
10918
10919   if (HAS_EDITOR_CONTENT(properties_element))
10920   {
10921     // draw stickybutton gadget
10922     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
10923
10924     if (IS_AMOEBOID(properties_element))
10925       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
10926     else if (properties_element == EL_YAMYAM ||
10927              properties_element == EL_YAMYAM_LEFT ||
10928              properties_element == EL_YAMYAM_RIGHT ||
10929              properties_element == EL_YAMYAM_UP ||
10930              properties_element == EL_YAMYAM_DOWN)
10931       DrawYamYamContentAreas();
10932     else if (properties_element == EL_EMC_MAGIC_BALL)
10933     {
10934       DrawMagicBallContentAreas();
10935
10936       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
10937       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE);
10938     }
10939     else if (properties_element == EL_EMC_ANDROID)
10940       DrawAndroidElementArea();
10941     else if (properties_element == EL_MM_GRAY_BALL)
10942     {
10943       MapCounterButtons(ED_COUNTER_ID_MM_BALL_CONTENT);
10944       MapSelectboxGadget(ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE);
10945       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT);
10946       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EXPLODE_MM_BALL);
10947
10948       DrawMMBallContentArea();
10949     }
10950   }
10951
10952   if (IS_PLAYER_ELEMENT(properties_element))
10953   {
10954     int player_nr = GET_PLAYER_NR(properties_element);
10955
10956     // these properties can be set for every player individually
10957
10958     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
10959     {
10960       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
10961         &level.start_element[player_nr];
10962       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
10963         &level.artwork_element[player_nr];
10964       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
10965         &level.explosion_element[player_nr];
10966
10967       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
10968         &level.use_start_element[player_nr];
10969       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
10970         &level.use_artwork_element[player_nr];
10971       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
10972         &level.use_explosion_element[player_nr];
10973       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
10974         &level.initial_player_gravity[player_nr];
10975
10976       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
10977         &level.initial_player_stepsize[player_nr];
10978
10979       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
10980       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
10981                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
10982                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
10983       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
10984       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
10985       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
10986       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
10987       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_LAZY_RELOCATION);
10988       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
10989       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
10990       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
10991       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
10992       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
10993       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER);
10994
10995       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
10996       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
10997       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
10998
10999       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
11000     }
11001     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
11002     {
11003       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
11004         &level.initial_inventory_content[player_nr][0];
11005
11006       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
11007         &level.initial_inventory_size[player_nr];
11008
11009       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
11010         &level.use_initial_inventory[player_nr];
11011
11012       // draw checkbutton gadgets
11013       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
11014       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT);
11015       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE);
11016
11017       // draw counter gadgets
11018       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
11019
11020       // draw drawing area gadgets
11021       DrawPlayerInitialInventoryArea(properties_element);
11022     }
11023   }
11024
11025   if (IS_BD_PLAYER_ELEMENT(properties_element))
11026     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS);
11027
11028   // special case: slippery walls option for gems only available in R'n'D game engine
11029   if (IS_GEM(properties_element) && level.game_engine_type == GAME_ENGINE_TYPE_RND)
11030   {
11031     checkbutton_info[ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS].y =
11032       ED_ELEMENT_SETTINGS_XPOS(properties_element == EL_BD_DIAMOND ? 2 : 1);
11033
11034     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
11035   }
11036
11037   if (properties_element == EL_EM_DYNAMITE)
11038     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
11039
11040   if (COULD_MOVE_INTO_ACID(properties_element) &&
11041       !IS_PLAYER_ELEMENT(properties_element) &&
11042       (!IS_CUSTOM_ELEMENT(properties_element) ||
11043        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
11044   {
11045     // set position for checkbutton for "can move into acid"
11046     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
11047       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
11048     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
11049       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 7 :
11050                                IS_BALLOON_ELEMENT(properties_element) ||
11051                                HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
11052
11053     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
11054   }
11055
11056   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
11057     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
11058
11059   if (properties_element == EL_SPRING ||
11060       properties_element == EL_SPRING_LEFT ||
11061       properties_element == EL_SPRING_RIGHT)
11062     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
11063
11064   if (properties_element == EL_TIME_ORB_FULL)
11065     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
11066
11067   if (properties_element == EL_GAME_OF_LIFE ||
11068       properties_element == EL_BIOMAZE)
11069     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_LIFE_BUGS);
11070
11071   if (CAN_GROW(properties_element))
11072   {
11073     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
11074       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
11075
11076     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
11077   }
11078
11079   if (properties_element == EL_SOKOBAN_FIELD_EMPTY)
11080     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED);
11081
11082   if (properties_element == EL_SOKOBAN_OBJECT)
11083     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED);
11084
11085   if (properties_element == EL_SOKOBAN_OBJECT ||
11086       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
11087       properties_element == EL_SOKOBAN_FIELD_FULL)
11088   {
11089     checkbutton_info[ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN].y =
11090       ED_ELEMENT_SETTINGS_XPOS(properties_element == EL_SOKOBAN_FIELD_FULL ?
11091                                0 : 1);
11092
11093     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
11094   }
11095
11096   if (IS_BALLOON_ELEMENT(properties_element))
11097     MapSelectboxGadget(ED_SELECTBOX_ID_WIND_DIRECTION);
11098
11099   if (IS_ENVELOPE(properties_element) ||
11100       IS_MM_ENVELOPE(properties_element))
11101   {
11102     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
11103     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
11104     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
11105     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
11106     int envelope_nr = ENVELOPE_NR(properties_element);
11107
11108     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
11109     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
11110
11111     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
11112     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
11113
11114     // display counter to choose size of envelope text area
11115     MapCounterButtons(counter1_id);
11116     MapCounterButtons(counter2_id);
11117
11118     // display checkbuttons to choose auto-wrap and alignment properties
11119     MapCheckbuttonGadget(button1_id);
11120     MapCheckbuttonGadget(button2_id);
11121
11122     DrawEnvelopeTextArea(envelope_nr);
11123   }
11124
11125   if (IS_MM_MCDUFFIN(properties_element))
11126   {
11127     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_RED);
11128     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_GREEN);
11129     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_BLUE);
11130   }
11131
11132   if (IS_DF_LASER(properties_element))
11133   {
11134     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_RED);
11135     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_GREEN);
11136     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_BLUE);
11137   }
11138
11139   if (IS_CUSTOM_ELEMENT(properties_element))
11140   {
11141     // draw stickybutton gadget
11142     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11143
11144     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
11145     {
11146       // draw checkbutton gadgets
11147       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
11148            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
11149         MapCheckbuttonGadget(i);
11150
11151       // draw counter gadgets
11152       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
11153            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
11154         MapCounterButtons(i);
11155
11156       // draw selectbox gadgets
11157       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
11158            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
11159         MapSelectboxGadget(i);
11160
11161       // draw textbutton gadgets
11162       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
11163
11164       // draw text input gadgets
11165       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
11166
11167       // draw drawing area gadgets
11168       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
11169
11170       draw_footer_line = TRUE;
11171     }
11172     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
11173     {
11174       // draw checkbutton gadgets
11175       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
11176            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
11177         MapCheckbuttonGadget(i);
11178
11179       // draw counter gadgets
11180       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
11181            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
11182         MapCounterButtons(i);
11183
11184       // draw selectbox gadgets
11185       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
11186            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
11187         MapSelectboxGadget(i);
11188
11189       // draw drawing area gadgets
11190       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
11191       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
11192       DrawCustomContentArea();
11193     }
11194   }
11195   else if (IS_GROUP_ELEMENT(properties_element))
11196   {
11197     // draw stickybutton gadget
11198     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11199
11200     // draw checkbutton gadgets
11201     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
11202     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
11203
11204     // draw counter gadgets
11205     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
11206
11207     // draw selectbox gadgets
11208     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
11209
11210     // draw textbutton gadgets
11211     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
11212
11213     // draw drawing area gadgets
11214     DrawGroupElementArea();
11215
11216     // draw text input gadgets
11217     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
11218
11219     // draw drawing area gadgets
11220     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
11221
11222     draw_footer_line = TRUE;
11223   }
11224   else if (IS_EMPTY_ELEMENT(properties_element))
11225   {
11226     // draw stickybutton gadget
11227     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11228
11229     // draw checkbutton gadgets
11230     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
11231     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
11232
11233     // draw textbutton gadgets
11234     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
11235
11236     // draw drawing area gadgets
11237     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
11238
11239     draw_footer_line = TRUE;
11240   }
11241
11242   // draw little footer border line above CE/GE use/save template gadgets
11243   if (draw_footer_line)
11244   {
11245     struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
11246     struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
11247     int gd_x = gd->x + gd_gi1->border.width / 2;
11248     int gd_y = gd->y + gd_gi1->height - 1;
11249     Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
11250
11251     if (tab_color != BLACK_PIXEL)               // black => transparent
11252       FillRectangle(drawto,
11253                     SX + ED_ELEMENT_SETTINGS_X(0),
11254                     SY + ED_ELEMENT_SETTINGS_Y(14) - ED_SETTINGS_TABS_YOFFSET -
11255                     ED_TAB_BAR_HEIGHT,
11256                     getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
11257   }
11258 }
11259
11260 static void DrawPropertiesChangeDrawingAreas(void)
11261 {
11262   if (IS_CUSTOM_ELEMENT(properties_element))
11263   {
11264     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
11265     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
11266     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
11267
11268     DrawCustomChangeContentArea();
11269   }
11270
11271   redraw_mask |= REDRAW_FIELD;
11272 }
11273
11274 static void DrawPropertiesChange(void)
11275 {
11276   int i;
11277
11278   // needed to initially set selectbox options for special action options
11279   setSelectboxSpecialActionOptions();
11280
11281   // draw stickybutton gadget
11282   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11283
11284   // draw checkbutton gadgets
11285   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
11286        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
11287     MapCheckbuttonGadget(i);
11288
11289   // draw counter gadgets
11290   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
11291        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
11292     MapCounterButtons(i);
11293
11294   // draw selectbox gadgets
11295   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
11296        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
11297     MapSelectboxGadget(i);
11298
11299   // draw textbutton gadgets
11300   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
11301        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
11302     MapTextbuttonGadget(i);
11303
11304   // draw graphicbutton gadgets
11305   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
11306        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
11307     MapGraphicbuttonGadget(i);
11308
11309   // draw drawing area gadgets
11310   DrawPropertiesChangeDrawingAreas();
11311 }
11312
11313 static void DrawEditorElementAnimation(int x, int y)
11314 {
11315   int graphic = el2img(properties_element);
11316   int frame = (ANIM_MODE(graphic) == ANIM_CE_VALUE ?
11317                custom_element.ce_value_fixed_initial :
11318                ANIM_MODE(graphic) == ANIM_CE_SCORE ?
11319                custom_element.collect_score_initial : FrameCounter);
11320
11321   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
11322 }
11323
11324 static void DrawEditorElementName(int x, int y, int font_nr)
11325 {
11326   char *element_name = getElementInfoText(properties_element);
11327   int font_width = getFontWidth(font_nr);
11328   int font_height = getFontHeight(font_nr);
11329   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_X(0);
11330   int max_chars_per_line = max_text_width / font_width;
11331
11332   if (strlen(element_name) <= max_chars_per_line)
11333     DrawTextS(x, y, font_nr, element_name);
11334   else
11335   {
11336     char buffer[max_chars_per_line + 1];
11337     int next_pos = max_chars_per_line;
11338
11339     strncpy(buffer, element_name, max_chars_per_line);
11340     buffer[max_chars_per_line] = '\0';
11341
11342     if (element_name[max_chars_per_line] == ' ')
11343       next_pos++;
11344     else
11345     {
11346       int i;
11347
11348       for (i = max_chars_per_line - 1; i >= 0; i--)
11349         if (buffer[i] == ' ')
11350           break;
11351
11352       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
11353       {
11354         buffer[i] = '\0';
11355         next_pos = i + 1;
11356       }
11357     }
11358
11359     DrawTextS(x, y - font_height / 2, font_nr, buffer);
11360
11361     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
11362     buffer[max_chars_per_line] = '\0';
11363
11364     DrawTextS(x, y + font_height / 2, font_nr, buffer);
11365   }
11366 }
11367
11368 static void DrawPropertiesWindow(void)
11369 {
11370   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
11371   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
11372   int border_size = gd->border_size;
11373   int font_nr = FONT_TEXT_1;
11374   int font_height = getFontHeight(font_nr);
11375   int xoffset = TILEX + element_border + 3 * border_size;
11376   int yoffset = (TILEY - font_height) / 2;
11377   int x1 = editor.settings.element_graphic.x + element_border;
11378   int y1 = editor.settings.element_graphic.y + element_border;
11379   int x2 = (editor.settings.element_name.x == -1 ? x1 + xoffset :
11380             editor.settings.element_name.x);
11381   int y2 = (editor.settings.element_name.y == -1 ? y1 + yoffset :
11382             editor.settings.element_name.y);
11383   char *text = "Element Settings";
11384   int font2_nr = FONT_TITLE_1;
11385   struct MenuPosInfo *pos = &editor.settings.headline;
11386   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font2_nr), pos->align);
11387   int sy = SY + pos->y;
11388
11389   stick_element_properties_window = FALSE;
11390
11391   // make sure that previous properties edit mode exists for this element
11392   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
11393       !IS_CUSTOM_ELEMENT(properties_element))
11394     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
11395
11396   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
11397       !IS_PLAYER_ELEMENT(properties_element) &&
11398       !IS_CUSTOM_ELEMENT(properties_element))
11399     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
11400
11401   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
11402       (IS_PLAYER_ELEMENT(properties_element) ||
11403        IS_CUSTOM_ELEMENT(properties_element)))
11404     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
11405
11406   CopyElementPropertiesToEditor(properties_element);
11407
11408   UnmapLevelEditorFieldGadgets();
11409   UnmapLevelEditorToolboxDrawingGadgets();
11410   UnmapLevelEditorToolboxCustomGadgets();
11411
11412   MapLevelEditorToolboxCustomGadgetsIfNeeded();
11413
11414   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
11415   ClearField();
11416
11417   DrawText(sx, sy, text, font2_nr);
11418
11419   FrameCounter = 0;     // restart animation frame counter
11420
11421   DrawElementBorder(SX + x1, SY + y1, TILEX, TILEY, FALSE);
11422   DrawEditorElementAnimation(SX + x1, SY + y1);
11423   DrawEditorElementName(x2, y2, font_nr);
11424
11425   DrawPropertiesTabulatorGadgets();
11426
11427   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
11428     DrawPropertiesInfo();
11429   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
11430     DrawPropertiesChange();
11431   else  // (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2])
11432     DrawPropertiesConfig();
11433 }
11434
11435 static void DrawPaletteWindow(void)
11436 {
11437   int i;
11438
11439   UnmapLevelEditorFieldGadgets();
11440
11441   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
11442   ClearField();
11443
11444   // map buttons to select elements
11445   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
11446     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
11447   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
11448   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
11449   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
11450 }
11451
11452 static void UpdateCustomElementGraphicGadgets(void)
11453 {
11454   int i;
11455
11456   InitElementPropertiesGfxElement();
11457
11458   ModifyEditorElementList();
11459   RedrawDrawingElements();
11460
11461   // force redraw of all mapped drawing area gadgets
11462   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
11463   {
11464     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
11465
11466     if (gi->mapped)
11467       MapDrawingArea(i);
11468   }
11469 }
11470
11471 static int getOpenDirectionFromTube(int element)
11472 {
11473   switch (element)
11474   {
11475     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
11476     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
11477     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
11478     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
11479     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
11480     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
11481     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
11482     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
11483     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
11484     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
11485     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
11486   }
11487
11488   return MV_NONE;
11489 }
11490
11491 static int getTubeFromOpenDirection(int direction)
11492 {
11493   switch (direction)
11494   {
11495     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
11496     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
11497     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
11498     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
11499     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
11500     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
11501     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
11502     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
11503     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
11504     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
11505     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
11506
11507     // if only one direction, fall back to simple tube with that direction
11508     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
11509     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
11510     case (MV_UP):                       return EL_TUBE_VERTICAL;
11511     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
11512   }
11513
11514   return EL_EMPTY;
11515 }
11516
11517 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
11518 {
11519   int element_new = getTubeFromOpenDirection(direction);
11520
11521   return (element_new != EL_EMPTY ? element_new : element_old);
11522 }
11523
11524 static int getOpenDirectionFromBelt(int element)
11525 {
11526   int belt_dir = getBeltDirFromBeltElement(element);
11527
11528   return (belt_dir == MV_LEFT ? MV_RIGHT :
11529           belt_dir == MV_RIGHT ? MV_LEFT :
11530           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
11531 }
11532
11533 static int getBeltFromNrAndOpenDirection(int nr, int direction)
11534 {
11535   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
11536                   direction == MV_RIGHT ? MV_LEFT :
11537                   direction == MV_HORIZONTAL ? MV_NONE : direction);
11538
11539   if (direction == MV_NONE)
11540     return EL_EMPTY;
11541
11542   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
11543 }
11544
11545 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
11546                                                  int element_old)
11547 {
11548   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
11549
11550   return (element_new != EL_EMPTY ? element_new : element_old);
11551 }
11552
11553 static int getOpenDirectionFromPool(int element)
11554 {
11555   switch (element)
11556   {
11557     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
11558     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
11559     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
11560     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
11561     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
11562     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
11563   }
11564
11565   return MV_NONE;
11566 }
11567
11568 static int getPoolFromOpenDirection(int direction)
11569 {
11570   switch (direction)
11571   {
11572     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
11573     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
11574     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
11575     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
11576     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
11577     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
11578   }
11579
11580   return EL_EMPTY;
11581 }
11582
11583 static int getPoolFromOpenDirectionExt(int direction, int help_element)
11584 {
11585   int element = getPoolFromOpenDirection(direction);
11586   int help_direction = getOpenDirectionFromPool(help_element);
11587
11588   if (element == EL_EMPTY)
11589   {
11590     int help_direction_vertical = help_direction & MV_VERTICAL;
11591
11592     element = getPoolFromOpenDirection(direction | help_direction_vertical);
11593   }
11594
11595   if (element == EL_EMPTY)
11596   {
11597     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
11598
11599     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
11600   }
11601
11602   return element;
11603 }
11604
11605 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
11606 {
11607   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
11608
11609   return (element_new != EL_EMPTY ? element_new : element_old);
11610 }
11611
11612 static int getOpenDirectionFromPillar(int element)
11613 {
11614   switch (element)
11615   {
11616     case EL_EMC_WALL_1:                 return (MV_DOWN);
11617     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
11618     case EL_EMC_WALL_3:                 return (MV_UP);
11619   }
11620
11621   return MV_NONE;
11622 }
11623
11624 static int getPillarFromOpenDirection(int direction)
11625 {
11626   switch (direction)
11627   {
11628     case (MV_DOWN):                     return EL_EMC_WALL_1;
11629     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
11630     case (MV_UP):                       return EL_EMC_WALL_3;
11631   }
11632
11633   return EL_EMPTY;
11634 }
11635
11636 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
11637 {
11638   int element_new = getPillarFromOpenDirection(direction);
11639
11640   return (element_new != EL_EMPTY ? element_new : element_old);
11641 }
11642
11643 static int getOpenDirectionFromSteel2(int element)
11644 {
11645   switch (element)
11646   {
11647     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
11648     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
11649     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
11650     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
11651     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
11652     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
11653     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
11654     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
11655   }
11656
11657   return MV_NONE;
11658 }
11659
11660 static int getSteel2FromOpenDirection(int direction)
11661 {
11662   switch (direction)
11663   {
11664     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
11665     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
11666     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
11667     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
11668     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
11669     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
11670     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
11671     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
11672   }
11673
11674   return EL_EMPTY;
11675 }
11676
11677 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
11678 {
11679   int element_new = getSteel2FromOpenDirection(direction);
11680
11681   return (element_new != EL_EMPTY ? element_new : element_old);
11682 }
11683
11684 static int getOpenDirectionFromChip(int element)
11685 {
11686   switch (element)
11687   {
11688     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
11689     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
11690     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
11691     case EL_SP_CHIP_TOP:                return (MV_DOWN);
11692     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
11693   }
11694
11695   return MV_NONE;
11696 }
11697
11698 static int getChipFromOpenDirection(int direction)
11699 {
11700   switch (direction)
11701   {
11702     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
11703     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
11704     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
11705     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
11706     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
11707   }
11708
11709   return EL_EMPTY;
11710 }
11711
11712 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
11713 {
11714   int element_new = getChipFromOpenDirection(direction);
11715
11716   return (element_new != EL_EMPTY ? element_new : element_old);
11717 }
11718
11719 static int getClosedTube(int x, int y)
11720 {
11721   struct XY *xy = xy_directions;
11722   int element_old = IntelliDrawBuffer[x][y];
11723   int direction_old = getOpenDirectionFromTube(element_old);
11724   int direction_new = MV_NONE;
11725   int i;
11726
11727   for (i = 0; i < NUM_DIRECTIONS; i++)
11728   {
11729     int xx = x + xy[i].x;
11730     int yy = y + xy[i].y;
11731     int dir = MV_DIR_FROM_BIT(i);
11732     int dir_opposite = MV_DIR_OPPOSITE(dir);
11733
11734     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
11735         (direction_old & dir) &&
11736         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
11737       direction_new |= dir;
11738   }
11739
11740   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
11741 }
11742
11743 static int getClosedBelt(int x, int y)
11744 {
11745   struct XY *xy = xy_directions;
11746   int element_old = IntelliDrawBuffer[x][y];
11747   int nr = getBeltNrFromBeltElement(element_old);
11748   int direction_old = getOpenDirectionFromBelt(element_old);
11749   int direction_new = MV_NONE;
11750   int i;
11751
11752   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
11753   {
11754     int xx = x + xy[i].x;
11755     int yy = y + xy[i].y;
11756     int dir = MV_DIR_FROM_BIT(i);
11757     int dir_opposite = MV_DIR_OPPOSITE(dir);
11758
11759     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
11760         (direction_old & dir) &&
11761         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
11762       direction_new |= dir;
11763   }
11764
11765   return getBeltFromNrAndOpenDirection(nr, direction_new);
11766 }
11767
11768 static int getClosedPool(int x, int y)
11769 {
11770   struct XY *xy = xy_directions;
11771   int element_old = IntelliDrawBuffer[x][y];
11772   int direction_old = getOpenDirectionFromPool(element_old);
11773   int direction_new = MV_NONE;
11774   int i;
11775
11776   for (i = 0; i < NUM_DIRECTIONS; i++)
11777   {
11778     int xx = x + xy[i].x;
11779     int yy = y + xy[i].y;
11780     int dir = MV_DIR_FROM_BIT(i);
11781     int dir_opposite = MV_DIR_OPPOSITE(dir);
11782
11783     if (IN_LEV_FIELD(xx, yy) &&
11784         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
11785         (direction_old & dir) &&
11786         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
11787       direction_new |= dir;
11788   }
11789
11790   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
11791 }
11792
11793 static int getClosedPillar(int x, int y)
11794 {
11795   struct XY *xy = xy_directions;
11796   int element_old = IntelliDrawBuffer[x][y];
11797   int direction_old = getOpenDirectionFromPillar(element_old);
11798   int direction_new = MV_NONE;
11799   int i;
11800
11801   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
11802   {
11803     int xx = x + xy[i].x;
11804     int yy = y + xy[i].y;
11805     int dir = MV_DIR_FROM_BIT(i);
11806     int dir_opposite = MV_DIR_OPPOSITE(dir);
11807
11808     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
11809         (direction_old & dir) &&
11810         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
11811       direction_new |= dir;
11812   }
11813
11814   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
11815 }
11816
11817 static int getClosedSteel2(int x, int y)
11818 {
11819   struct XY *xy = xy_directions;
11820   int element_old = IntelliDrawBuffer[x][y];
11821   int direction_old = getOpenDirectionFromSteel2(element_old);
11822   int direction_new = MV_NONE;
11823   int i;
11824
11825   for (i = 0; i < NUM_DIRECTIONS; i++)
11826   {
11827     int xx = x + xy[i].x;
11828     int yy = y + xy[i].y;
11829     int dir = MV_DIR_FROM_BIT(i);
11830     int dir_opposite = MV_DIR_OPPOSITE(dir);
11831
11832     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
11833         (direction_old & dir) &&
11834         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
11835       direction_new |= dir;
11836   }
11837
11838   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
11839 }
11840
11841 static int getClosedChip(int x, int y)
11842 {
11843   struct XY *xy = xy_directions;
11844   int element_old = IntelliDrawBuffer[x][y];
11845   int direction_old = getOpenDirectionFromChip(element_old);
11846   int direction_new = MV_NONE;
11847   int i;
11848
11849   for (i = 0; i < NUM_DIRECTIONS; i++)
11850   {
11851     int xx = x + xy[i].x;
11852     int yy = y + xy[i].y;
11853     int dir = MV_DIR_FROM_BIT(i);
11854     int dir_opposite = MV_DIR_OPPOSITE(dir);
11855
11856     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
11857         (direction_old & dir) &&
11858         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
11859       direction_new |= dir;
11860   }
11861
11862   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
11863 }
11864
11865 static void SetElementSimpleExt(int x, int y, int dx, int dy, int element,
11866                                 boolean change_level)
11867 {
11868   int sx = x - level_xpos;
11869   int sy = y - level_ypos;
11870   int old_element = Tile[x][y];
11871   int new_element = element;
11872   unsigned int new_bitmask = (getDrawModeHiRes() ? (dx + 1) << (dy * 2) : 0x0f);
11873   boolean draw_masked = FALSE;
11874
11875   if (IS_MM_WALL_EDITOR(element))
11876   {
11877     element = map_mm_wall_element_editor(element) | new_bitmask;
11878
11879     if (IS_MM_WALL(old_element))
11880       element |= MM_WALL_BITS(old_element);
11881
11882     if (!change_level)
11883       draw_masked = TRUE;
11884   }
11885   else if (IS_MM_WALL(old_element) && element == EL_EMPTY)
11886   {
11887     int element_changed = old_element & ~new_bitmask;
11888
11889     if (MM_WALL_BITS(element_changed) != 0)
11890       element = element_changed;
11891   }
11892
11893   IntelliDrawBuffer[x][y] = element;
11894
11895   if (change_level)
11896     Tile[x][y] = element;
11897
11898   if (IN_ED_FIELD(sx, sy))
11899   {
11900     if (IS_MM_WALL(old_element) && new_element == EL_EMPTY)
11901       DrawSizedWallParts_MM(sx, sy, EL_EMPTY, ed_tilesize, FALSE, new_bitmask);
11902     else if (draw_masked)
11903       DrawEditorElementThruMask(sx, sy, element);
11904     else
11905       DrawEditorElement(sx, sy, element);
11906   }
11907 }
11908
11909 static void SetElementSimple(int x, int y, int element, boolean change_level)
11910 {
11911   SetElementSimpleExt(x, y, 0, 0, element, change_level);
11912 }
11913
11914 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
11915                                            int x2, int y2, int *element2,
11916                                            int (*close_function)(int, int),
11917                                            boolean change_level)
11918 {
11919   // set neighbour elements to newly determined connections
11920   SetElementSimple(x1, y1, *element1, change_level);
11921   SetElementSimple(x2, y2, *element2, change_level);
11922
11923   // remove all open connections of neighbour elements
11924   *element1 = close_function(x1, y1);
11925   *element2 = close_function(x2, y2);
11926
11927   // set neighbour elements to new, minimized connections
11928   SetElementSimple(x1, y1, *element1, change_level);
11929   SetElementSimple(x2, y2, *element2, change_level);
11930 }
11931
11932 static void SetElementIntelliDraw(int x, int y, int dx, int dy, int new_element,
11933                                   boolean change_level, int button)
11934 {
11935   struct XY *xy = xy_directions;
11936   static int last_x = -1;
11937   static int last_y = -1;
11938
11939   if (new_element == EL_UNDEFINED)
11940   {
11941     last_x = -1;
11942     last_y = -1;
11943
11944     return;
11945   }
11946
11947   int old_element = IntelliDrawBuffer[x][y];
11948
11949   if (IS_TUBE(new_element))
11950   {
11951     int last_element_new = EL_UNDEFINED;
11952     int direction = MV_NONE;
11953     int i;
11954
11955     // if old element is of same kind, keep all existing directions
11956     if (IS_TUBE(old_element))
11957       direction |= getOpenDirectionFromTube(old_element);
11958
11959     for (i = 0; i < NUM_DIRECTIONS; i++)
11960     {
11961       int xx = x + xy[i].x;
11962       int yy = y + xy[i].y;
11963
11964       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11965           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
11966       {
11967         int dir = MV_DIR_FROM_BIT(i);
11968         int dir_opposite = MV_DIR_OPPOSITE(dir);
11969         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11970         int last_direction_old = getOpenDirectionFromTube(last_element_old);
11971         int last_direction_new = last_direction_old | dir_opposite;
11972
11973         last_element_new = getTubeFromOpenDirection(last_direction_new);
11974
11975         direction |= dir;
11976       }
11977     }
11978
11979     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
11980
11981     if (last_element_new != EL_UNDEFINED)
11982       MergeAndCloseNeighbourElements(x, y, &new_element,
11983                                      last_x, last_y, &last_element_new,
11984                                      getClosedTube, change_level);
11985   }
11986   else if (IS_BELT(new_element))
11987   {
11988     int belt_nr = getBeltNrFromBeltElement(new_element);
11989     int last_element_new = EL_UNDEFINED;
11990     int direction = MV_NONE;
11991     int i;
11992
11993     // if old element is of same kind, keep all existing directions
11994     if (IS_BELT(old_element))
11995       direction |= getOpenDirectionFromBelt(old_element);
11996
11997     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
11998     {
11999       int xx = x + xy[i].x;
12000       int yy = y + xy[i].y;
12001
12002       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12003           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
12004       {
12005         int dir = MV_DIR_FROM_BIT(i);
12006         int dir_opposite = MV_DIR_OPPOSITE(dir);
12007         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12008         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
12009         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
12010         int last_direction_new = last_direction_old | dir_opposite;
12011
12012         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
12013                                                          last_direction_new);
12014         direction |= dir;
12015       }
12016     }
12017
12018     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
12019                                                         new_element);
12020     if (last_element_new != EL_UNDEFINED)
12021       MergeAndCloseNeighbourElements(x, y, &new_element,
12022                                      last_x, last_y, &last_element_new,
12023                                      getClosedBelt, change_level);
12024   }
12025   else if (IS_ACID_POOL_OR_ACID(new_element))
12026   {
12027     int last_element_new = EL_UNDEFINED;
12028     int direction = MV_NONE;
12029     int i;
12030
12031     // if old element is of same kind, keep all existing directions
12032     if (IS_ACID_POOL_OR_ACID(old_element))
12033       direction |= getOpenDirectionFromPool(old_element);
12034
12035     for (i = 0; i < NUM_DIRECTIONS; i++)
12036     {
12037       int xx = x + xy[i].x;
12038       int yy = y + xy[i].y;
12039
12040       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12041           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
12042       {
12043         int dir = MV_DIR_FROM_BIT(i);
12044         int dir_opposite = MV_DIR_OPPOSITE(dir);
12045         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12046         int last_direction_old = getOpenDirectionFromPool(last_element_old);
12047         int last_direction_new = last_direction_old | dir_opposite;
12048
12049         last_element_new = getPoolFromOpenDirection(last_direction_new);
12050
12051         direction |= dir;
12052       }
12053     }
12054
12055     // special corrections needed for intuitively correct acid pool drawing
12056     if (last_element_new == EL_EMPTY)
12057       last_element_new = new_element;
12058     else if (last_element_new != EL_UNDEFINED)
12059       new_element = last_element_new;
12060
12061     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
12062
12063     if (last_element_new != EL_UNDEFINED)
12064       MergeAndCloseNeighbourElements(x, y, &new_element,
12065                                      last_x, last_y, &last_element_new,
12066                                      getClosedPool, change_level);
12067   }
12068   else if (IS_EMC_PILLAR(new_element))
12069   {
12070     int last_element_new = EL_UNDEFINED;
12071     int direction = MV_NONE;
12072     int i;
12073
12074     // if old element is of same kind, keep all existing directions
12075     if (IS_EMC_PILLAR(old_element))
12076       direction |= getOpenDirectionFromPillar(old_element);
12077
12078     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
12079     {
12080       int xx = x + xy[i].x;
12081       int yy = y + xy[i].y;
12082
12083       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12084           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
12085       {
12086         int dir = MV_DIR_FROM_BIT(i);
12087         int dir_opposite = MV_DIR_OPPOSITE(dir);
12088         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12089         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
12090         int last_direction_new = last_direction_old | dir_opposite;
12091
12092         last_element_new = getPillarFromOpenDirection(last_direction_new);
12093
12094         direction |= dir;
12095       }
12096     }
12097
12098     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
12099
12100     if (last_element_new != EL_UNDEFINED)
12101       MergeAndCloseNeighbourElements(x, y, &new_element,
12102                                      last_x, last_y, &last_element_new,
12103                                      getClosedPillar, change_level);
12104   }
12105   else if (IS_DC_STEELWALL_2(new_element))
12106   {
12107     int last_element_new = EL_UNDEFINED;
12108     int direction = MV_NONE;
12109     int i;
12110
12111     // if old element is of same kind, keep all existing directions
12112     if (IS_DC_STEELWALL_2(old_element))
12113       direction |= getOpenDirectionFromSteel2(old_element);
12114
12115     for (i = 0; i < NUM_DIRECTIONS; i++)
12116     {
12117       int xx = x + xy[i].x;
12118       int yy = y + xy[i].y;
12119
12120       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12121           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
12122       {
12123         int dir = MV_DIR_FROM_BIT(i);
12124         int dir_opposite = MV_DIR_OPPOSITE(dir);
12125         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12126         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
12127         int last_direction_new = last_direction_old | dir_opposite;
12128
12129         last_element_new = getSteel2FromOpenDirection(last_direction_new);
12130
12131         direction |= dir;
12132       }
12133     }
12134
12135     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
12136
12137     if (last_element_new != EL_UNDEFINED)
12138       MergeAndCloseNeighbourElements(x, y, &new_element,
12139                                      last_x, last_y, &last_element_new,
12140                                      getClosedSteel2, change_level);
12141   }
12142   else if (IS_SP_CHIP(new_element))
12143   {
12144     int last_element_new = EL_UNDEFINED;
12145     int direction = MV_NONE;
12146     int i;
12147
12148     // (do not keep existing directions, regardless of kind of old element)
12149
12150     for (i = 0; i < NUM_DIRECTIONS; i++)
12151     {
12152       int xx = x + xy[i].x;
12153       int yy = y + xy[i].y;
12154
12155       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12156           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
12157       {
12158         int dir = MV_DIR_FROM_BIT(i);
12159         int dir_opposite = MV_DIR_OPPOSITE(dir);
12160         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12161         int last_direction_old = getOpenDirectionFromChip(last_element_old);
12162         int last_direction_new = last_direction_old | dir_opposite;
12163
12164         if (last_direction_old == MV_NONE)
12165         {
12166           last_element_new = getChipFromOpenDirection(last_direction_new);
12167           direction |= dir;
12168         }
12169         else if (last_direction_old & (dir | dir_opposite))
12170         {
12171           direction |= MV_DIR_OPPOSITE(last_direction_old);
12172         }
12173         else
12174         {
12175           direction |= MV_DIR_OPPOSITE(dir);
12176         }
12177       }
12178     }
12179
12180     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
12181
12182     if (last_element_new != EL_UNDEFINED)
12183       MergeAndCloseNeighbourElements(x, y, &new_element,
12184                                      last_x, last_y, &last_element_new,
12185                                      getClosedChip, change_level);
12186   }
12187   else if (IS_SP_HARDWARE_BASE(new_element))
12188   {
12189     int nr = GetSimpleRandom(6);
12190
12191     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
12192                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
12193                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
12194                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
12195                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
12196   }
12197   else if (new_element == EL_SP_HARDWARE_GREEN ||
12198            new_element == EL_SP_HARDWARE_BLUE ||
12199            new_element == EL_SP_HARDWARE_RED)
12200   {
12201     int nr = GetSimpleRandom(3);
12202
12203     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
12204                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
12205   }
12206   else if (IS_GROUP_ELEMENT(new_element))
12207   {
12208     boolean connected_drawing = FALSE;
12209     int i;
12210
12211     for (i = 0; i < NUM_DIRECTIONS; i++)
12212     {
12213       int xx = x + xy[i].x;
12214       int yy = y + xy[i].y;
12215
12216       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12217           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
12218         connected_drawing = TRUE;
12219     }
12220
12221     if (!connected_drawing)
12222       ResolveGroupElement(new_element);
12223
12224     new_element = GetElementFromGroupElement(new_element);
12225   }
12226   else if (IS_BELT_SWITCH(old_element))
12227   {
12228     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
12229     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
12230
12231     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
12232                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
12233
12234     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
12235   }
12236   else
12237   {
12238     static int swappable_elements[][2] =
12239     {
12240       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
12241       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
12242       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
12243       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
12244       { EL_EMERALD,                     EL_WALL_EMERALD                 },
12245       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
12246       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
12247       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
12248       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
12249       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
12250       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
12251       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
12252       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
12253       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
12254       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
12255       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
12256       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
12257       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
12258       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
12259       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
12260       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
12261       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
12262       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
12263       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
12264       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
12265       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
12266       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
12267       { EL_PEARL,                       EL_WALL_PEARL                   },
12268       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
12269       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
12270       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
12271       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
12272       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
12273       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
12274       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
12275       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
12276       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
12277       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
12278       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
12279       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
12280       { EL_MM_EXIT_CLOSED,              EL_MM_EXIT_OPEN                 },
12281       { EL_MM_FUSE,                     EL_MM_FUSE_ACTIVE               },
12282       { EL_MM_LIGHTBULB,                EL_MM_LIGHTBULB_ACTIVE          },
12283       { EL_MM_FUEL_EMPTY,               EL_MM_FUEL_FULL                 },
12284
12285       { -1,                             -1                              },
12286     };
12287     static int rotatable_elements_4[][4] =
12288     {
12289       {
12290         EL_BUG_UP,
12291         EL_BUG_RIGHT,
12292         EL_BUG_DOWN,
12293         EL_BUG_LEFT
12294       },
12295       {
12296         EL_SPACESHIP_UP,
12297         EL_SPACESHIP_RIGHT,
12298         EL_SPACESHIP_DOWN,
12299         EL_SPACESHIP_LEFT
12300       },
12301       {
12302         EL_BD_BUTTERFLY_UP,
12303         EL_BD_BUTTERFLY_RIGHT,
12304         EL_BD_BUTTERFLY_DOWN,
12305         EL_BD_BUTTERFLY_LEFT
12306       },
12307       {
12308         EL_BD_FIREFLY_UP,
12309         EL_BD_FIREFLY_RIGHT,
12310         EL_BD_FIREFLY_DOWN,
12311         EL_BD_FIREFLY_LEFT
12312       },
12313       {
12314         EL_PACMAN_UP,
12315         EL_PACMAN_RIGHT,
12316         EL_PACMAN_DOWN,
12317         EL_PACMAN_LEFT
12318       },
12319       {
12320         EL_YAMYAM_UP,
12321         EL_YAMYAM_RIGHT,
12322         EL_YAMYAM_DOWN,
12323         EL_YAMYAM_LEFT
12324       },
12325       {
12326         EL_ARROW_UP,
12327         EL_ARROW_RIGHT,
12328         EL_ARROW_DOWN,
12329         EL_ARROW_LEFT
12330       },
12331       {
12332         EL_SP_PORT_UP,
12333         EL_SP_PORT_RIGHT,
12334         EL_SP_PORT_DOWN,
12335         EL_SP_PORT_LEFT
12336       },
12337       {
12338         EL_SP_GRAVITY_PORT_UP,
12339         EL_SP_GRAVITY_PORT_RIGHT,
12340         EL_SP_GRAVITY_PORT_DOWN,
12341         EL_SP_GRAVITY_PORT_LEFT
12342       },
12343       {
12344         EL_SP_GRAVITY_ON_PORT_UP,
12345         EL_SP_GRAVITY_ON_PORT_RIGHT,
12346         EL_SP_GRAVITY_ON_PORT_DOWN,
12347         EL_SP_GRAVITY_ON_PORT_LEFT
12348       },
12349       {
12350         EL_SP_GRAVITY_OFF_PORT_UP,
12351         EL_SP_GRAVITY_OFF_PORT_RIGHT,
12352         EL_SP_GRAVITY_OFF_PORT_DOWN,
12353         EL_SP_GRAVITY_OFF_PORT_LEFT
12354       },
12355       {
12356         EL_MOLE_UP,
12357         EL_MOLE_RIGHT,
12358         EL_MOLE_DOWN,
12359         EL_MOLE_LEFT
12360       },
12361       {
12362         EL_BALLOON_SWITCH_UP,
12363         EL_BALLOON_SWITCH_RIGHT,
12364         EL_BALLOON_SWITCH_DOWN,
12365         EL_BALLOON_SWITCH_LEFT
12366       },
12367       {
12368         EL_MM_MCDUFFIN_UP,
12369         EL_MM_MCDUFFIN_RIGHT,
12370         EL_MM_MCDUFFIN_DOWN,
12371         EL_MM_MCDUFFIN_LEFT
12372       },
12373       {
12374         EL_MM_MIRROR_FIXED_1,
12375         EL_MM_MIRROR_FIXED_4,
12376         EL_MM_MIRROR_FIXED_3,
12377         EL_MM_MIRROR_FIXED_2
12378       },
12379       {
12380         EL_MM_STEEL_GRID_FIXED_1,
12381         EL_MM_STEEL_GRID_FIXED_4,
12382         EL_MM_STEEL_GRID_FIXED_2,
12383         EL_MM_STEEL_GRID_FIXED_3
12384       },
12385       {
12386         EL_MM_WOODEN_GRID_FIXED_1,
12387         EL_MM_WOODEN_GRID_FIXED_4,
12388         EL_MM_WOODEN_GRID_FIXED_2,
12389         EL_MM_WOODEN_GRID_FIXED_3
12390       },
12391       {
12392         EL_MM_POLARIZER_CROSS_1,
12393         EL_MM_POLARIZER_CROSS_4,
12394         EL_MM_POLARIZER_CROSS_3,
12395         EL_MM_POLARIZER_CROSS_2
12396       },
12397       {
12398         EL_MM_PACMAN_UP,
12399         EL_MM_PACMAN_RIGHT,
12400         EL_MM_PACMAN_DOWN,
12401         EL_MM_PACMAN_LEFT
12402       },
12403       {
12404         EL_DF_LASER_UP,
12405         EL_DF_LASER_RIGHT,
12406         EL_DF_LASER_DOWN,
12407         EL_DF_LASER_LEFT
12408       },
12409       {
12410         EL_DF_RECEIVER_UP,
12411         EL_DF_RECEIVER_RIGHT,
12412         EL_DF_RECEIVER_DOWN,
12413         EL_DF_RECEIVER_LEFT
12414       },
12415       {
12416         EL_DF_SLOPE_1,
12417         EL_DF_SLOPE_4,
12418         EL_DF_SLOPE_3,
12419         EL_DF_SLOPE_2
12420       },
12421
12422       {
12423         -1,
12424       },
12425     };
12426     static int rotatable_elements_8[][8] =
12427     {
12428       {
12429         EL_DF_STEEL_GRID_FIXED_1,
12430         EL_DF_STEEL_GRID_FIXED_8,
12431         EL_DF_STEEL_GRID_FIXED_7,
12432         EL_DF_STEEL_GRID_FIXED_6,
12433         EL_DF_STEEL_GRID_FIXED_5,
12434         EL_DF_STEEL_GRID_FIXED_4,
12435         EL_DF_STEEL_GRID_FIXED_3,
12436         EL_DF_STEEL_GRID_FIXED_2
12437       },
12438       {
12439         EL_DF_WOODEN_GRID_FIXED_1,
12440         EL_DF_WOODEN_GRID_FIXED_8,
12441         EL_DF_WOODEN_GRID_FIXED_7,
12442         EL_DF_WOODEN_GRID_FIXED_6,
12443         EL_DF_WOODEN_GRID_FIXED_5,
12444         EL_DF_WOODEN_GRID_FIXED_4,
12445         EL_DF_WOODEN_GRID_FIXED_3,
12446         EL_DF_WOODEN_GRID_FIXED_2
12447       },
12448       {
12449         EL_DF_STEEL_GRID_ROTATING_1,
12450         EL_DF_STEEL_GRID_ROTATING_8,
12451         EL_DF_STEEL_GRID_ROTATING_7,
12452         EL_DF_STEEL_GRID_ROTATING_6,
12453         EL_DF_STEEL_GRID_ROTATING_5,
12454         EL_DF_STEEL_GRID_ROTATING_4,
12455         EL_DF_STEEL_GRID_ROTATING_3,
12456         EL_DF_STEEL_GRID_ROTATING_2
12457       },
12458       {
12459         EL_DF_WOODEN_GRID_ROTATING_1,
12460         EL_DF_WOODEN_GRID_ROTATING_8,
12461         EL_DF_WOODEN_GRID_ROTATING_7,
12462         EL_DF_WOODEN_GRID_ROTATING_6,
12463         EL_DF_WOODEN_GRID_ROTATING_5,
12464         EL_DF_WOODEN_GRID_ROTATING_4,
12465         EL_DF_WOODEN_GRID_ROTATING_3,
12466         EL_DF_WOODEN_GRID_ROTATING_2
12467       },
12468
12469       {
12470         -1,
12471       },
12472     };
12473     static int rotatable_elements_16[][16] =
12474     {
12475       {
12476         EL_MM_MIRROR_1,
12477         EL_MM_MIRROR_16,
12478         EL_MM_MIRROR_15,
12479         EL_MM_MIRROR_14,
12480         EL_MM_MIRROR_13,
12481         EL_MM_MIRROR_12,
12482         EL_MM_MIRROR_11,
12483         EL_MM_MIRROR_10,
12484         EL_MM_MIRROR_9,
12485         EL_MM_MIRROR_8,
12486         EL_MM_MIRROR_7,
12487         EL_MM_MIRROR_6,
12488         EL_MM_MIRROR_5,
12489         EL_MM_MIRROR_4,
12490         EL_MM_MIRROR_3,
12491         EL_MM_MIRROR_2
12492       },
12493       {
12494         EL_MM_TELEPORTER_5,
12495         EL_MM_TELEPORTER_4,
12496         EL_MM_TELEPORTER_3,
12497         EL_MM_TELEPORTER_2,
12498         EL_MM_TELEPORTER_1,
12499         EL_MM_TELEPORTER_16,
12500         EL_MM_TELEPORTER_15,
12501         EL_MM_TELEPORTER_14,
12502         EL_MM_TELEPORTER_13,
12503         EL_MM_TELEPORTER_12,
12504         EL_MM_TELEPORTER_11,
12505         EL_MM_TELEPORTER_10,
12506         EL_MM_TELEPORTER_9,
12507         EL_MM_TELEPORTER_8,
12508         EL_MM_TELEPORTER_7,
12509         EL_MM_TELEPORTER_6
12510       },
12511       {
12512         EL_MM_TELEPORTER_RED_5,
12513         EL_MM_TELEPORTER_RED_4,
12514         EL_MM_TELEPORTER_RED_3,
12515         EL_MM_TELEPORTER_RED_2,
12516         EL_MM_TELEPORTER_RED_1,
12517         EL_MM_TELEPORTER_RED_16,
12518         EL_MM_TELEPORTER_RED_15,
12519         EL_MM_TELEPORTER_RED_14,
12520         EL_MM_TELEPORTER_RED_13,
12521         EL_MM_TELEPORTER_RED_12,
12522         EL_MM_TELEPORTER_RED_11,
12523         EL_MM_TELEPORTER_RED_10,
12524         EL_MM_TELEPORTER_RED_9,
12525         EL_MM_TELEPORTER_RED_8,
12526         EL_MM_TELEPORTER_RED_7,
12527         EL_MM_TELEPORTER_RED_6
12528       },
12529       {
12530         EL_MM_TELEPORTER_YELLOW_5,
12531         EL_MM_TELEPORTER_YELLOW_4,
12532         EL_MM_TELEPORTER_YELLOW_3,
12533         EL_MM_TELEPORTER_YELLOW_2,
12534         EL_MM_TELEPORTER_YELLOW_1,
12535         EL_MM_TELEPORTER_YELLOW_16,
12536         EL_MM_TELEPORTER_YELLOW_15,
12537         EL_MM_TELEPORTER_YELLOW_14,
12538         EL_MM_TELEPORTER_YELLOW_13,
12539         EL_MM_TELEPORTER_YELLOW_12,
12540         EL_MM_TELEPORTER_YELLOW_11,
12541         EL_MM_TELEPORTER_YELLOW_10,
12542         EL_MM_TELEPORTER_YELLOW_9,
12543         EL_MM_TELEPORTER_YELLOW_8,
12544         EL_MM_TELEPORTER_YELLOW_7,
12545         EL_MM_TELEPORTER_YELLOW_6
12546       },
12547       {
12548         EL_MM_TELEPORTER_GREEN_5,
12549         EL_MM_TELEPORTER_GREEN_4,
12550         EL_MM_TELEPORTER_GREEN_3,
12551         EL_MM_TELEPORTER_GREEN_2,
12552         EL_MM_TELEPORTER_GREEN_1,
12553         EL_MM_TELEPORTER_GREEN_16,
12554         EL_MM_TELEPORTER_GREEN_15,
12555         EL_MM_TELEPORTER_GREEN_14,
12556         EL_MM_TELEPORTER_GREEN_13,
12557         EL_MM_TELEPORTER_GREEN_12,
12558         EL_MM_TELEPORTER_GREEN_11,
12559         EL_MM_TELEPORTER_GREEN_10,
12560         EL_MM_TELEPORTER_GREEN_9,
12561         EL_MM_TELEPORTER_GREEN_8,
12562         EL_MM_TELEPORTER_GREEN_7,
12563         EL_MM_TELEPORTER_GREEN_6
12564       },
12565       {
12566         EL_MM_TELEPORTER_BLUE_5,
12567         EL_MM_TELEPORTER_BLUE_4,
12568         EL_MM_TELEPORTER_BLUE_3,
12569         EL_MM_TELEPORTER_BLUE_2,
12570         EL_MM_TELEPORTER_BLUE_1,
12571         EL_MM_TELEPORTER_BLUE_16,
12572         EL_MM_TELEPORTER_BLUE_15,
12573         EL_MM_TELEPORTER_BLUE_14,
12574         EL_MM_TELEPORTER_BLUE_13,
12575         EL_MM_TELEPORTER_BLUE_12,
12576         EL_MM_TELEPORTER_BLUE_11,
12577         EL_MM_TELEPORTER_BLUE_10,
12578         EL_MM_TELEPORTER_BLUE_9,
12579         EL_MM_TELEPORTER_BLUE_8,
12580         EL_MM_TELEPORTER_BLUE_7,
12581         EL_MM_TELEPORTER_BLUE_6
12582       },
12583       {
12584         EL_MM_POLARIZER_1,
12585         EL_MM_POLARIZER_16,
12586         EL_MM_POLARIZER_15,
12587         EL_MM_POLARIZER_14,
12588         EL_MM_POLARIZER_13,
12589         EL_MM_POLARIZER_12,
12590         EL_MM_POLARIZER_11,
12591         EL_MM_POLARIZER_10,
12592         EL_MM_POLARIZER_9,
12593         EL_MM_POLARIZER_8,
12594         EL_MM_POLARIZER_7,
12595         EL_MM_POLARIZER_6,
12596         EL_MM_POLARIZER_5,
12597         EL_MM_POLARIZER_4,
12598         EL_MM_POLARIZER_3,
12599         EL_MM_POLARIZER_2
12600       },
12601       {
12602         EL_DF_MIRROR_1,
12603         EL_DF_MIRROR_16,
12604         EL_DF_MIRROR_15,
12605         EL_DF_MIRROR_14,
12606         EL_DF_MIRROR_13,
12607         EL_DF_MIRROR_12,
12608         EL_DF_MIRROR_11,
12609         EL_DF_MIRROR_10,
12610         EL_DF_MIRROR_9,
12611         EL_DF_MIRROR_8,
12612         EL_DF_MIRROR_7,
12613         EL_DF_MIRROR_6,
12614         EL_DF_MIRROR_5,
12615         EL_DF_MIRROR_4,
12616         EL_DF_MIRROR_3,
12617         EL_DF_MIRROR_2
12618       },
12619       {
12620         EL_DF_MIRROR_ROTATING_1,
12621         EL_DF_MIRROR_ROTATING_16,
12622         EL_DF_MIRROR_ROTATING_15,
12623         EL_DF_MIRROR_ROTATING_14,
12624         EL_DF_MIRROR_ROTATING_13,
12625         EL_DF_MIRROR_ROTATING_12,
12626         EL_DF_MIRROR_ROTATING_11,
12627         EL_DF_MIRROR_ROTATING_10,
12628         EL_DF_MIRROR_ROTATING_9,
12629         EL_DF_MIRROR_ROTATING_8,
12630         EL_DF_MIRROR_ROTATING_7,
12631         EL_DF_MIRROR_ROTATING_6,
12632         EL_DF_MIRROR_ROTATING_5,
12633         EL_DF_MIRROR_ROTATING_4,
12634         EL_DF_MIRROR_ROTATING_3,
12635         EL_DF_MIRROR_ROTATING_2
12636       },
12637       {
12638         EL_DF_MIRROR_FIXED_1,
12639         EL_DF_MIRROR_FIXED_16,
12640         EL_DF_MIRROR_FIXED_15,
12641         EL_DF_MIRROR_FIXED_14,
12642         EL_DF_MIRROR_FIXED_13,
12643         EL_DF_MIRROR_FIXED_12,
12644         EL_DF_MIRROR_FIXED_11,
12645         EL_DF_MIRROR_FIXED_10,
12646         EL_DF_MIRROR_FIXED_9,
12647         EL_DF_MIRROR_FIXED_8,
12648         EL_DF_MIRROR_FIXED_7,
12649         EL_DF_MIRROR_FIXED_6,
12650         EL_DF_MIRROR_FIXED_5,
12651         EL_DF_MIRROR_FIXED_4,
12652         EL_DF_MIRROR_FIXED_3,
12653         EL_DF_MIRROR_FIXED_2
12654       },
12655
12656       {
12657         -1,
12658       },
12659     };
12660     int i, j;
12661
12662     for (i = 0; swappable_elements[i][0] != -1; i++)
12663     {
12664       int element1 = swappable_elements[i][0];
12665       int element2 = swappable_elements[i][1];
12666
12667       if (old_element == element1 || old_element == element2)
12668         new_element = (old_element == element1 ? element2 : element1);
12669     }
12670
12671     for (i = 0; rotatable_elements_4[i][0] != -1; i++)
12672     {
12673       for (j = 0; j < 4; j++)
12674       {
12675         int element = rotatable_elements_4[i][j];
12676
12677         if (old_element == element)
12678           new_element = (button == 1 ? rotatable_elements_4[i][(j + 3) % 4] :
12679                          button == 2 ? rotatable_elements_4[i][0]           :
12680                          button == 3 ? rotatable_elements_4[i][(j + 1) % 4] :
12681                          old_element);
12682       }
12683     }
12684
12685     for (i = 0; rotatable_elements_8[i][0] != -1; i++)
12686     {
12687       for (j = 0; j < 8; j++)
12688       {
12689         int element = rotatable_elements_8[i][j];
12690
12691         if (old_element == element)
12692           new_element = (button == 1 ? rotatable_elements_8[i][(j + 7) % 8] :
12693                          button == 2 ? rotatable_elements_8[i][0]           :
12694                          button == 3 ? rotatable_elements_8[i][(j + 1) % 8] :
12695                          old_element);
12696       }
12697     }
12698
12699     for (i = 0; rotatable_elements_16[i][0] != -1; i++)
12700     {
12701       for (j = 0; j < 16; j++)
12702       {
12703         int element = rotatable_elements_16[i][j];
12704
12705         if (old_element == element)
12706           new_element = (button == 1 ? rotatable_elements_16[i][(j + 15) % 16] :
12707                          button == 2 ? rotatable_elements_16[i][0]             :
12708                          button == 3 ? rotatable_elements_16[i][(j + 1)  % 16] :
12709                          old_element);
12710       }
12711     }
12712
12713     if (old_element != new_element)
12714     {
12715       int max_infotext_len = getMaxInfoTextLength();
12716       char infotext[MAX_OUTPUT_LINESIZE + 1];
12717
12718       strncpy(infotext, getElementInfoText(new_element), max_infotext_len);
12719       infotext[max_infotext_len] = '\0';
12720
12721       ClearEditorGadgetInfoText();
12722
12723       DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT,
12724                 infotext);
12725     }
12726   }
12727
12728   if (IS_MM_WALL_EDITOR(new_element))
12729     SetElementSimpleExt(x, y, dx, dy, new_element, change_level);
12730   else
12731     SetElementSimple(x, y, new_element, change_level);
12732
12733   last_x = x;
12734   last_y = y;
12735 }
12736
12737 static void ResetIntelliDraw(void)
12738 {
12739   int x, y;
12740
12741   for (x = 0; x < lev_fieldx; x++)
12742     for (y = 0; y < lev_fieldy; y++)
12743       IntelliDrawBuffer[x][y] = Tile[x][y];
12744
12745   SetElementIntelliDraw(-1, -1, -1, -1, EL_UNDEFINED, FALSE, -1);
12746 }
12747
12748 static boolean draw_mode_hires = FALSE;
12749
12750 static boolean isHiresTileElement(int element)
12751 {
12752   return (IS_MM_WALL(element)        || element == EL_EMPTY);
12753 }
12754
12755 static boolean isHiresDrawElement(int element)
12756 {
12757   return (IS_MM_WALL_EDITOR(element) || element == EL_EMPTY);
12758 }
12759
12760 static int numHiresTiles(int element)
12761 {
12762   if (IS_MM_WALL(element))
12763     return get_number_of_bits(MM_WALL_BITS(element));
12764
12765   return 1;
12766 }
12767
12768 static void SetDrawModeHiRes(int element)
12769 {
12770   draw_mode_hires =
12771     (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
12772      isHiresDrawElement(element));
12773 }
12774
12775 static boolean getDrawModeHiRes(void)
12776 {
12777   return draw_mode_hires;
12778 }
12779
12780 static int getLoResScreenPos(int pos)
12781 {
12782   return (getDrawModeHiRes() ? pos / 2 : pos);
12783 }
12784
12785 static int getLoResScreenMod(int pos)
12786 {
12787   return (getDrawModeHiRes() ? pos % 2 : 0);
12788 }
12789
12790 static void SetElementExt(int x, int y, int dx, int dy, int element,
12791                           boolean change_level, int button)
12792 {
12793   if (element < 0)
12794     SetElementSimple(x, y, Tile[x][y], change_level);
12795   else if (GetKeyModState() & KMOD_Shift)
12796     SetElementIntelliDraw(x, y, dx, dy, element, change_level, button);
12797   else
12798     SetElementSimpleExt(x, y, dx, dy, element, change_level);
12799 }
12800
12801 static void SetElement(int x, int y, int element)
12802 {
12803   SetElementExt(x, y, 0, 0, element, TRUE, -1);
12804 }
12805
12806 static void SetElementButton(int x, int y, int dx, int dy, int element,
12807                              int button)
12808 {
12809   SetElementExt(x, y, dx, dy, element, TRUE, button);
12810 }
12811
12812 static void SetElementHiRes(int sx2, int sy2, int element, boolean change_level)
12813 {
12814   int lx = getLoResScreenPos(sx2) + level_xpos;
12815   int ly = getLoResScreenPos(sy2) + level_ypos;
12816   int dx = getLoResScreenMod(sx2);
12817   int dy = getLoResScreenMod(sy2);
12818
12819   SetElementExt(lx, ly, dx, dy, element, change_level, -1);
12820 }
12821
12822 static void SetLevelElementHiRes(int lx2, int ly2, int element)
12823 {
12824   int lx = lx2 / 2;
12825   int ly = ly2 / 2;
12826   int dx = lx2 % 2;
12827   int dy = ly2 % 2;
12828
12829   SetElementExt(lx, ly, dx, dy, element, TRUE, -1);
12830 }
12831
12832 static int getLevelElementHiRes(int lx2, int ly2)
12833 {
12834   int lx = lx2 / 2;
12835   int ly = ly2 / 2;
12836   int dx = lx2 % 2;
12837   int dy = ly2 % 2;
12838   int element = Tile[lx][ly];
12839   unsigned int bitmask = (dx + 1) << (dy * 2);
12840
12841   if (IS_MM_WALL(element))
12842   {
12843     if (element & bitmask)
12844       return map_mm_wall_element(element);
12845     else
12846       return EL_EMPTY;
12847   }
12848
12849   return element;
12850 }
12851
12852 static void DrawLineElement(int x, int y, int element, boolean change_level)
12853 {
12854   SetElementHiRes(x, y, element, change_level);
12855 }
12856
12857 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
12858                      int element, boolean change_level)
12859 {
12860   int xsize = ABS(to_x - from_x);
12861   int ysize = ABS(to_y - from_y);
12862   int dx = (to_x < from_x ? -1 : +1);
12863   int dy = (to_y < from_y ? -1 : +1);
12864   int i;
12865
12866   if (from_y == to_y)                   // horizontal line
12867   {
12868     for (i = 0; i <= xsize; i++)
12869       DrawLineElement(from_x + i * dx, from_y, element, change_level);
12870   }
12871   else if (from_x == to_x)              // vertical line
12872   {
12873     for (i = 0; i <= ysize; i++)
12874       DrawLineElement(from_x, from_y + i * dy, element, change_level);
12875   }
12876   else                                  // diagonal line
12877   {
12878     if (ysize < xsize)                  // a < 1
12879     {
12880       float a = (float)ysize / (float)xsize;
12881
12882       for (i = 0; i <= xsize; i++)
12883       {
12884         int x = dx * i;
12885         int y = dy * (int)(a * i + 0.5);
12886
12887         DrawLineElement(from_x + x, from_y + y, element, change_level);
12888       }
12889     }
12890     else                                // a >= 1
12891     {
12892       float a = (float)xsize / (float)ysize;
12893
12894       for (i = 0; i <= ysize; i++)
12895       {
12896         int x = dx * (int)(a * i + 0.5);
12897         int y = dy * i;
12898
12899         DrawLineElement(from_x + x, from_y + y, element, change_level);
12900       }
12901     }
12902   }
12903 }
12904
12905 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
12906                     int element, boolean change_level)
12907 {
12908   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
12909   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
12910   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
12911   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
12912 }
12913
12914 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
12915                           int element, boolean change_level)
12916 {
12917   int y;
12918
12919   if (from_y > to_y)
12920     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
12921
12922   for (y = from_y; y <= to_y; y++)
12923     DrawLine(from_x, y, to_x, y, element, change_level);
12924 }
12925
12926 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
12927                        int element, boolean change_level)
12928 {
12929   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
12930   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
12931   int len_x = ABS(to_x - from_x);
12932   int len_y = ABS(to_y - from_y);
12933   int radius, x, y;
12934
12935   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
12936
12937   // not optimal (some points get drawn twice) but simple,
12938   // and fast enough for the few points we are drawing
12939
12940   for (x = 0; x <= radius; x++)
12941   {
12942     int sx, sy, sx2, sy2, lx, ly;
12943
12944     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
12945
12946     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
12947     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
12948     sx = getLoResScreenPos(sx2);
12949     sy = getLoResScreenPos(sy2);
12950     lx = sx + level_xpos;
12951     ly = sy + level_ypos;
12952
12953     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
12954       DrawLineElement(sx2, sy2, element, change_level);
12955   }
12956
12957   for (y = 0; y <= radius; y++)
12958   {
12959     int sx, sy, sx2, sy2, lx, ly;
12960
12961     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
12962
12963     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
12964     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
12965     sx = getLoResScreenPos(sx2);
12966     sy = getLoResScreenPos(sy2);
12967     lx = sx + level_xpos;
12968     ly = sy + level_ypos;
12969
12970     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
12971       DrawLineElement(sx2, sy2, element, change_level);
12972   }
12973 }
12974
12975 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
12976                     int element, boolean change_level)
12977 {
12978   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
12979   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
12980
12981   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
12982 }
12983
12984 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
12985
12986 #if DRAW_CIRCLES_BUTTON_AVAILABLE
12987 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
12988                        int element, boolean change_level)
12989 {
12990   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
12991   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
12992   int mirror_to_x2 = from_x - (to_x2 - from_x);
12993   int mirror_to_y2 = from_y - (to_y2 - from_y);
12994
12995   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
12996   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
12997   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
12998   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element, change_level);
12999 }
13000 #endif
13001
13002 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
13003 {
13004   int from_sx, from_sy;
13005   int to_sx, to_sy;
13006
13007   if (from_x > to_x)
13008     swap_numbers(&from_x, &to_x);
13009
13010   if (from_y > to_y)
13011     swap_numbers(&from_y, &to_y);
13012
13013   from_sx = SX + from_x * ed_tilesize;
13014   from_sy = SY + from_y * ed_tilesize;
13015   to_sx = SX + (to_x + 1) * ed_tilesize - 1;
13016   to_sy = SY + (to_y + 1) * ed_tilesize - 1;
13017
13018   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
13019   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
13020   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
13021   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
13022
13023   if (from_x == to_x && from_y == to_y)
13024     MarkTileDirty(from_x/2, from_y/2);
13025   else
13026     redraw_mask |= REDRAW_FIELD;
13027 }
13028
13029 static void DrawAreaBox(int from_x, int from_y, int to_x, int to_y,
13030                         int element, boolean change_level)
13031 {
13032   DrawBox(from_x, from_y, to_x, to_y, element, change_level);
13033 }
13034
13035 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
13036                        int element, boolean change_level)
13037 {
13038   if (element == -1 || change_level)
13039     DrawAreaBox(from_x, from_y, to_x, to_y, -1, FALSE);
13040   else
13041     DrawAreaBorder(from_x, from_y, to_x, to_y);
13042 }
13043
13044 // values for CopyBrushExt()
13045 #define CB_AREA_TO_BRUSH                0
13046 #define CB_BRUSH_TO_CURSOR              1
13047 #define CB_BRUSH_TO_LEVEL               2
13048 #define CB_DELETE_OLD_CURSOR            3
13049 #define CB_DUMP_BRUSH                   4
13050 #define CB_DUMP_BRUSH_SMALL             5
13051 #define CB_CLIPBOARD_TO_BRUSH           6
13052 #define CB_BRUSH_TO_CLIPBOARD           7
13053 #define CB_BRUSH_TO_CLIPBOARD_SMALL     8
13054 #define CB_UPDATE_BRUSH_POSITION        9
13055 #define CB_FLIP_BRUSH_X                 10
13056 #define CB_FLIP_BRUSH_Y                 11
13057 #define CB_FLIP_BRUSH_XY                12
13058
13059 #define MAX_CB_PART_SIZE        10
13060 #define MAX_CB_LINE_SIZE        (MAX_LEV_FIELDX + 1)    // text plus newline
13061 #define MAX_CB_NUM_LINES        (MAX_LEV_FIELDY)
13062 #define MAX_CB_TEXT_SIZE        (MAX_CB_LINE_SIZE *     \
13063                                  MAX_CB_NUM_LINES *     \
13064                                  MAX_CB_PART_SIZE)
13065
13066 static int getFlippedTileExt(int map[], int element)
13067 {
13068   int i;
13069
13070   for (i = 0; map[i] != -1; i++)
13071     if (map[i] == element)
13072       return map[i ^ 1];        // get flipped element by flipping LSB of index
13073
13074   return element;
13075 }
13076
13077 static int getFlippedTileX(int element)
13078 {
13079   int map[] =
13080   {
13081     EL_BD_BUTTERFLY_LEFT,               EL_BD_BUTTERFLY_RIGHT,
13082     EL_BD_FIREFLY_LEFT,                 EL_BD_FIREFLY_RIGHT,
13083     EL_BUG_LEFT,                        EL_BUG_RIGHT,
13084     EL_SPACESHIP_LEFT,                  EL_SPACESHIP_RIGHT,
13085     EL_PACMAN_LEFT,                     EL_PACMAN_RIGHT,
13086     EL_ARROW_LEFT,                      EL_ARROW_RIGHT,
13087     EL_MOLE_LEFT,                       EL_MOLE_RIGHT,
13088     EL_BALLOON_SWITCH_LEFT,             EL_BALLOON_SWITCH_RIGHT,
13089     EL_YAMYAM_LEFT,                     EL_YAMYAM_RIGHT,
13090     EL_SP_PORT_LEFT,                    EL_SP_PORT_RIGHT,
13091     EL_SP_GRAVITY_PORT_LEFT,            EL_SP_GRAVITY_PORT_RIGHT,
13092     EL_SP_GRAVITY_ON_PORT_LEFT,         EL_SP_GRAVITY_ON_PORT_RIGHT,
13093     EL_SP_GRAVITY_OFF_PORT_LEFT,        EL_SP_GRAVITY_OFF_PORT_RIGHT,
13094     EL_CONVEYOR_BELT_1_LEFT,            EL_CONVEYOR_BELT_1_RIGHT,
13095     EL_CONVEYOR_BELT_2_LEFT,            EL_CONVEYOR_BELT_2_RIGHT,
13096     EL_CONVEYOR_BELT_3_LEFT,            EL_CONVEYOR_BELT_3_RIGHT,
13097     EL_CONVEYOR_BELT_4_LEFT,            EL_CONVEYOR_BELT_4_RIGHT,
13098     EL_SPRING_LEFT,                     EL_SPRING_RIGHT,
13099     EL_SP_CHIP_LEFT,                    EL_SP_CHIP_RIGHT,
13100     EL_TUBE_VERTICAL_LEFT,              EL_TUBE_VERTICAL_RIGHT,
13101     EL_TUBE_LEFT_UP,                    EL_TUBE_RIGHT_UP,
13102     EL_TUBE_LEFT_DOWN,                  EL_TUBE_RIGHT_DOWN,
13103     EL_DC_STEELWALL_1_LEFT,             EL_DC_STEELWALL_1_RIGHT,
13104     EL_DC_STEELWALL_1_TOPLEFT,          EL_DC_STEELWALL_1_TOPRIGHT,
13105     EL_DC_STEELWALL_1_BOTTOMLEFT,       EL_DC_STEELWALL_1_BOTTOMRIGHT,
13106     EL_DC_STEELWALL_1_TOPLEFT_2,        EL_DC_STEELWALL_1_TOPRIGHT_2,
13107     EL_DC_STEELWALL_1_BOTTOMLEFT_2,     EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
13108     EL_DC_STEELWALL_2_LEFT,             EL_DC_STEELWALL_2_RIGHT,
13109     EL_ACID_POOL_TOPLEFT,               EL_ACID_POOL_TOPRIGHT,
13110     EL_ACID_POOL_BOTTOMLEFT,            EL_ACID_POOL_BOTTOMRIGHT,
13111
13112     -1
13113   };
13114
13115   return getFlippedTileExt(map, element);
13116 }
13117
13118 static int getFlippedTileY(int element)
13119 {
13120   int map[] =
13121   {
13122     EL_BD_BUTTERFLY_UP,                 EL_BD_BUTTERFLY_DOWN,
13123     EL_BD_FIREFLY_UP,                   EL_BD_FIREFLY_DOWN,
13124     EL_BUG_UP,                          EL_BUG_DOWN,
13125     EL_SPACESHIP_UP,                    EL_SPACESHIP_DOWN,
13126     EL_PACMAN_UP,                       EL_PACMAN_DOWN,
13127     EL_ARROW_UP,                        EL_ARROW_DOWN,
13128     EL_MOLE_UP,                         EL_MOLE_DOWN,
13129     EL_BALLOON_SWITCH_UP,               EL_BALLOON_SWITCH_DOWN,
13130     EL_YAMYAM_UP,                       EL_YAMYAM_DOWN,
13131     EL_SP_PORT_UP,                      EL_SP_PORT_DOWN,
13132     EL_SP_GRAVITY_PORT_UP,              EL_SP_GRAVITY_PORT_DOWN,
13133     EL_SP_GRAVITY_ON_PORT_UP,           EL_SP_GRAVITY_ON_PORT_DOWN,
13134     EL_SP_GRAVITY_OFF_PORT_UP,          EL_SP_GRAVITY_OFF_PORT_DOWN,
13135     EL_SP_CHIP_TOP,                     EL_SP_CHIP_BOTTOM,
13136     EL_TUBE_HORIZONTAL_UP,              EL_TUBE_HORIZONTAL_DOWN,
13137     EL_TUBE_LEFT_UP,                    EL_TUBE_LEFT_DOWN,
13138     EL_TUBE_RIGHT_UP,                   EL_TUBE_RIGHT_DOWN,
13139     EL_DC_STEELWALL_1_TOP,              EL_DC_STEELWALL_1_BOTTOM,
13140     EL_DC_STEELWALL_1_TOPLEFT,          EL_DC_STEELWALL_1_BOTTOMLEFT,
13141     EL_DC_STEELWALL_1_TOPRIGHT,         EL_DC_STEELWALL_1_BOTTOMRIGHT,
13142     EL_DC_STEELWALL_1_TOPLEFT_2,        EL_DC_STEELWALL_1_BOTTOMLEFT_2,
13143     EL_DC_STEELWALL_1_TOPRIGHT_2,       EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
13144     EL_DC_STEELWALL_2_TOP,              EL_DC_STEELWALL_2_BOTTOM,
13145     EL_EMC_WALL_1,                      EL_EMC_WALL_3,
13146
13147     -1
13148   };
13149
13150   return getFlippedTileExt(map, element);
13151 }
13152
13153 static int getFlippedTileXY(int element)
13154 {
13155   int map[] =
13156   {
13157     EL_BD_BUTTERFLY_LEFT,               EL_BD_BUTTERFLY_UP,
13158     EL_BD_BUTTERFLY_RIGHT,              EL_BD_BUTTERFLY_DOWN,
13159     EL_BD_FIREFLY_LEFT,                 EL_BD_FIREFLY_UP,
13160     EL_BD_FIREFLY_RIGHT,                EL_BD_FIREFLY_DOWN,
13161     EL_BUG_LEFT,                        EL_BUG_UP,
13162     EL_BUG_RIGHT,                       EL_BUG_DOWN,
13163     EL_SPACESHIP_LEFT,                  EL_SPACESHIP_UP,
13164     EL_SPACESHIP_RIGHT,                 EL_SPACESHIP_DOWN,
13165     EL_PACMAN_LEFT,                     EL_PACMAN_UP,
13166     EL_PACMAN_RIGHT,                    EL_PACMAN_DOWN,
13167     EL_ARROW_LEFT,                      EL_ARROW_UP,
13168     EL_ARROW_RIGHT,                     EL_ARROW_DOWN,
13169     EL_MOLE_LEFT,                       EL_MOLE_UP,
13170     EL_MOLE_RIGHT,                      EL_MOLE_DOWN,
13171     EL_BALLOON_SWITCH_LEFT,             EL_BALLOON_SWITCH_UP,
13172     EL_BALLOON_SWITCH_RIGHT,            EL_BALLOON_SWITCH_DOWN,
13173     EL_YAMYAM_LEFT,                     EL_YAMYAM_UP,
13174     EL_YAMYAM_RIGHT,                    EL_YAMYAM_DOWN,
13175     EL_SP_PORT_LEFT,                    EL_SP_PORT_UP,
13176     EL_SP_PORT_RIGHT,                   EL_SP_PORT_DOWN,
13177     EL_SP_GRAVITY_PORT_LEFT,            EL_SP_GRAVITY_PORT_UP,
13178     EL_SP_GRAVITY_PORT_RIGHT,           EL_SP_GRAVITY_PORT_DOWN,
13179     EL_SP_GRAVITY_ON_PORT_LEFT,         EL_SP_GRAVITY_ON_PORT_UP,
13180     EL_SP_GRAVITY_ON_PORT_RIGHT,        EL_SP_GRAVITY_ON_PORT_DOWN,
13181     EL_SP_GRAVITY_OFF_PORT_LEFT,        EL_SP_GRAVITY_OFF_PORT_UP,
13182     EL_SP_GRAVITY_OFF_PORT_RIGHT,       EL_SP_GRAVITY_OFF_PORT_DOWN,
13183     EL_SP_CHIP_LEFT,                    EL_SP_CHIP_TOP,
13184     EL_SP_CHIP_RIGHT,                   EL_SP_CHIP_BOTTOM,
13185     EL_TUBE_VERTICAL,                   EL_TUBE_HORIZONTAL,
13186     EL_TUBE_VERTICAL_LEFT,              EL_TUBE_HORIZONTAL_UP,
13187     EL_TUBE_VERTICAL_RIGHT,             EL_TUBE_HORIZONTAL_DOWN,
13188     EL_TUBE_LEFT_DOWN,                  EL_TUBE_RIGHT_UP,
13189     EL_DC_STEELWALL_1_LEFT,             EL_DC_STEELWALL_1_TOP,
13190     EL_DC_STEELWALL_1_RIGHT,            EL_DC_STEELWALL_1_BOTTOM,
13191     EL_DC_STEELWALL_1_HORIZONTAL,       EL_DC_STEELWALL_1_VERTICAL,
13192     EL_DC_STEELWALL_1_TOPRIGHT,         EL_DC_STEELWALL_1_BOTTOMLEFT,
13193     EL_DC_STEELWALL_1_TOPRIGHT_2,       EL_DC_STEELWALL_1_BOTTOMLEFT_2,
13194     EL_DC_STEELWALL_2_LEFT,             EL_DC_STEELWALL_2_TOP,
13195     EL_DC_STEELWALL_2_RIGHT,            EL_DC_STEELWALL_2_BOTTOM,
13196     EL_DC_STEELWALL_2_HORIZONTAL,       EL_DC_STEELWALL_2_VERTICAL,
13197     EL_EXPANDABLE_WALL_HORIZONTAL,      EL_EXPANDABLE_WALL_VERTICAL,
13198     EL_EXPANDABLE_STEELWALL_HORIZONTAL, EL_EXPANDABLE_STEELWALL_VERTICAL,
13199
13200     -1
13201   };
13202
13203   return getFlippedTileExt(map, element);
13204 }
13205
13206 static int getFlippedTile(int element, int mode)
13207 {
13208   if (IS_MM_ELEMENT(element))
13209   {
13210     // get MM game element
13211     element = map_element_RND_to_MM(element);
13212
13213     // get flipped game element
13214     element = (mode == CB_FLIP_BRUSH_X  ? getFlippedTileX_MM(element) :
13215                mode == CB_FLIP_BRUSH_Y  ? getFlippedTileY_MM(element) :
13216                mode == CB_FLIP_BRUSH_XY ? getFlippedTileXY_MM(element) :
13217                element);
13218
13219     // get RND game element again
13220     element = map_element_MM_to_RND(element);
13221   }
13222   else
13223   {
13224     // get flipped game element
13225     element = (mode == CB_FLIP_BRUSH_X  ? getFlippedTileX(element) :
13226                mode == CB_FLIP_BRUSH_Y  ? getFlippedTileY(element) :
13227                mode == CB_FLIP_BRUSH_XY ? getFlippedTileXY(element) :
13228                element);
13229   }
13230
13231   return element;
13232 }
13233
13234 static void SwapFlippedTiles(short *tile1, short *tile2, int mode)
13235 {
13236   // flip tiles
13237   short tile1_flipped = getFlippedTile(*tile1, mode);
13238   short tile2_flipped = getFlippedTile(*tile2, mode);
13239
13240   // swap tiles
13241   *tile1 = tile2_flipped;
13242   *tile2 = tile1_flipped;
13243 }
13244
13245 static void DrawBrushElement(int sx, int sy, int element, boolean change_level)
13246 {
13247   DrawLineElement(sx, sy, element, change_level);
13248 }
13249
13250 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
13251                          int button, int mode)
13252 {
13253   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
13254   static int brush_width, brush_height;
13255   static int last_cursor_x = -1, last_cursor_y = -1;
13256   static boolean delete_old_brush = FALSE;
13257   int new_element = BUTTON_ELEMENT(button);
13258   int x, y;
13259
13260   if (mode == CB_DUMP_BRUSH ||
13261       mode == CB_DUMP_BRUSH_SMALL ||
13262       mode == CB_BRUSH_TO_CLIPBOARD ||
13263       mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
13264   {
13265     if (edit_mode != ED_MODE_DRAWING)
13266       return;
13267
13268     char part[MAX_CB_PART_SIZE + 1] = "";
13269     char text[MAX_CB_TEXT_SIZE + 1] = "";
13270     int width  = (draw_with_brush ? brush_width  : lev_fieldx);
13271     int height = (draw_with_brush ? brush_height : lev_fieldy);
13272     char *format = "%s%03d";
13273
13274     for (y = 0; y < height; y++)
13275       for (x = 0; x < width; x++)
13276         if ((draw_with_brush ? brush_buffer[x][y] : Tile[x][y]) > 999)
13277           format = "%s%04d";
13278
13279     for (y = 0; y < height; y++)
13280     {
13281       for (x = 0; x < width; x++)
13282       {
13283         int element = (draw_with_brush ? brush_buffer[x][y] : Tile[x][y]);
13284         char *prefix = (mode == CB_DUMP_BRUSH ||
13285                         mode == CB_BRUSH_TO_CLIPBOARD ? "`" : "¸");
13286
13287         if (element >= NUM_FILE_ELEMENTS)
13288           element = EL_UNKNOWN;
13289
13290         // copy brush to level sketch text buffer for the R'n'D forum:
13291         // - large tiles: `xxx or `xxxx (0x60 ASCII)
13292         // - small tiles: ¸xxx or ¸xxxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
13293         snprintf(part, MAX_CB_PART_SIZE + 1, format, prefix, element);
13294         strcat(text, part);
13295       }
13296
13297       strcat(text, "\n");
13298     }
13299
13300     if (mode == CB_BRUSH_TO_CLIPBOARD ||
13301         mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
13302       SDL_SetClipboardText(text);
13303     else
13304       Print("%s", text);        // print brush data to console and log file
13305
13306     return;
13307   }
13308
13309   if (mode == CB_CLIPBOARD_TO_BRUSH)
13310   {
13311     if (edit_mode != ED_MODE_DRAWING)
13312       return;
13313
13314     if (!SDL_HasClipboardText())
13315     {
13316       Request("Clipboard is empty!", REQ_CONFIRM);
13317
13318       return;
13319     }
13320
13321     boolean copy_to_brush = (draw_with_brush ||
13322                              drawing_function == GADGET_ID_GRAB_BRUSH);
13323
13324     // this will delete the old brush, if already drawing with a brush
13325     if (copy_to_brush)
13326       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], MB_LEFTBUTTON);
13327
13328     // initialization is required for "odd" (incomplete) clipboard content
13329     for (x = 0; x < MAX_LEV_FIELDX; x++)
13330       for (y = 0; y < MAX_LEV_FIELDY; y++)
13331         brush_buffer[x][y] = EL_EMPTY;
13332
13333     brush_width  = 0;
13334     brush_height = 0;
13335     x = 0;
13336     y = 0;
13337
13338     char *clipboard_text = SDL_GetClipboardText();
13339     char *ptr = clipboard_text;
13340     boolean allow_new_row = FALSE;
13341     boolean stop = FALSE;
13342
13343     while (*ptr && !stop)
13344     {
13345       boolean prefix_found = FALSE;
13346       boolean start_new_row = FALSE;
13347
13348       // level sketch element number prefixes (may be multi-byte characters)
13349       char *prefix_list[] = { "`", "¸" };
13350       int i;
13351
13352       for (i = 0; i < ARRAY_SIZE(prefix_list); i++)
13353       {
13354         char *prefix = prefix_list[i];
13355
13356         // check if string is large enough for prefix
13357         if (strlen(ptr) < strlen(prefix))
13358         {
13359           stop = TRUE;
13360
13361           break;
13362         }
13363
13364         // check if string starts with prefix
13365         if (strPrefix(ptr, prefix))
13366         {
13367           ptr += strlen(prefix);
13368
13369           prefix_found = TRUE;
13370
13371           break;
13372         }
13373       }
13374
13375       // check if prefix found and followed by (at least) three digits
13376       if (prefix_found &&
13377           strlen(ptr) >= 3 &&
13378           ptr[0] >= '0' && ptr[0] <= '9' &&
13379           ptr[1] >= '0' && ptr[1] <= '9' &&
13380           ptr[2] >= '0' && ptr[2] <= '9')
13381       {
13382         int element = ((ptr[0] - '0') * 100 +
13383                        (ptr[1] - '0') * 10 +
13384                        (ptr[2] - '0'));
13385
13386         ptr += 3;
13387
13388         // level sketch element number might consist of four digits
13389         if (ptr[0] >= '0' && ptr[0] <= '9')
13390         {
13391           element = element * 10 + (ptr[0] - '0');
13392           ptr++;
13393         }
13394
13395         // remap some (historic, now obsolete) elements
13396         element = getMappedElement(element);
13397
13398         if (element >= NUM_FILE_ELEMENTS)
13399           element = EL_UNKNOWN;
13400
13401         brush_buffer[x][y] = element;
13402
13403         brush_width  = MAX(x + 1, brush_width);
13404         brush_height = MAX(y + 1, brush_height);
13405
13406         x++;
13407
13408         if (x >= MAX_LEV_FIELDX)
13409           start_new_row = TRUE;
13410
13411         allow_new_row = TRUE;
13412       }
13413       else
13414       {
13415         if ((*ptr == '\n' || *ptr == '\r') && allow_new_row)
13416           start_new_row = TRUE;
13417
13418         ptr++;          // !!! FIX THIS for real UTF-8 handling !!!
13419       }
13420
13421       if (start_new_row)
13422       {
13423         x = 0;
13424         y++;
13425
13426         if (y >= MAX_LEV_FIELDY)
13427           stop = TRUE;
13428
13429         allow_new_row = FALSE;
13430       }
13431     }
13432
13433     SDL_free(clipboard_text);
13434
13435     if (brush_width == 0 || brush_height == 0)
13436     {
13437       Request("No level sketch found in clipboard!", REQ_CONFIRM);
13438
13439       return;
13440     }
13441
13442     if (copy_to_brush)
13443     {
13444       struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_DRAWING_LEVEL];
13445       int mx, my;
13446
13447       SDL_GetMouseState(&mx, &my);
13448
13449       // if inside drawing area, activate and draw brush at last mouse position
13450       if (mx >= gi->x && mx < gi->x + gi->width &&
13451           my >= gi->y && my < gi->y + gi->height)
13452         CopyBrushToCursor(last_cursor_x, last_cursor_y);
13453
13454       draw_with_brush = TRUE;
13455     }
13456     else
13457     {
13458       char request[100];
13459
13460       sprintf(request, "Replace level with %dx%d level sketch from clipboard?",
13461               brush_width, brush_height);
13462
13463       if (!Request(request, REQ_ASK))
13464         return;
13465
13466       for (x = 0; x < MAX_LEV_FIELDX; x++)
13467         for (y = 0; y < MAX_LEV_FIELDY; y++)
13468           Tile[x][y] = brush_buffer[x][y];
13469
13470       lev_fieldx = level.fieldx = brush_width;
13471       lev_fieldy = level.fieldy = brush_height;
13472
13473       boolean use_bd_engine = TRUE;
13474       boolean use_em_engine = TRUE;
13475       boolean use_sp_engine = TRUE;
13476       boolean use_mm_engine = TRUE;
13477
13478       for (x = 0; x < MAX_LEV_FIELDX; x++)
13479       {
13480         for (y = 0; y < MAX_LEV_FIELDY; y++)
13481         {
13482           int element = Tile[x][y];
13483
13484           if (!IS_BD_ELEMENT(element) && !IS_PLAYER_ELEMENT(element))
13485             use_bd_engine = FALSE;
13486
13487           if (!IS_EM_ELEMENT(element) && !IS_PLAYER_ELEMENT(element))
13488             use_em_engine = FALSE;
13489
13490           if (!IS_SP_ELEMENT(element))
13491             use_sp_engine = FALSE;
13492
13493           if (!IS_MM_ELEMENT(element) && element != EL_EMPTY)
13494             use_mm_engine = FALSE;
13495         }
13496       }
13497
13498       level.game_engine_type = (use_bd_engine ? GAME_ENGINE_TYPE_BD :
13499                                 use_em_engine ? GAME_ENGINE_TYPE_EM :
13500                                 use_sp_engine ? GAME_ENGINE_TYPE_SP :
13501                                 use_mm_engine ? GAME_ENGINE_TYPE_MM :
13502                                 GAME_ENGINE_TYPE_RND);
13503
13504       // update element selection list
13505       ReinitializeElementList();
13506       ModifyEditorElementList();
13507
13508       SetBorderElement();
13509
13510       DrawEditModeWindow();
13511       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13512     }
13513
13514     return;
13515   }
13516
13517   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
13518     return;
13519
13520   if (mode == CB_AREA_TO_BRUSH)
13521   {
13522     int from_lx, from_ly;
13523
13524     if (from_x > to_x)
13525       swap_numbers(&from_x, &to_x);
13526
13527     if (from_y > to_y)
13528       swap_numbers(&from_y, &to_y);
13529
13530     brush_width = to_x - from_x + 1;
13531     brush_height = to_y - from_y + 1;
13532
13533     from_lx = from_x + level_xpos;
13534     from_ly = from_y + level_ypos;
13535
13536     for (y = 0; y < brush_height; y++)
13537     {
13538       for (x = 0; x < brush_width; x++)
13539       {
13540         brush_buffer[x][y] = Tile[from_lx + x][from_ly + y];
13541
13542         if (button != 1)
13543           DrawBrushElement(from_x + x, from_y + y, new_element, TRUE);
13544       }
13545     }
13546
13547     if (button != 1)
13548       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13549
13550     delete_old_brush = FALSE;
13551   }
13552   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
13553            mode == CB_BRUSH_TO_LEVEL)
13554   {
13555     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
13556     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
13557     int cursor_from_x = cursor_x - brush_width / 2;
13558     int cursor_from_y = cursor_y - brush_height / 2;
13559     int border_from_x = cursor_x, border_from_y = cursor_y;
13560     int border_to_x = cursor_x, border_to_y = cursor_y;
13561
13562     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
13563       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
13564
13565     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
13566         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
13567     {
13568       delete_old_brush = FALSE;
13569
13570       return;
13571     }
13572
13573     for (y = 0; y < brush_height; y++)
13574     {
13575       for (x = 0; x < brush_width; x++)
13576       {
13577         int sx = cursor_from_x + x;
13578         int sy = cursor_from_y + y;
13579         int lx = sx + level_xpos;
13580         int ly = sy + level_ypos;
13581         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
13582         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
13583                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
13584                        brush_buffer[x][y] : new_element);
13585
13586         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
13587         {
13588           if (sx < border_from_x)
13589             border_from_x = sx;
13590           else if (sx > border_to_x)
13591             border_to_x = sx;
13592           if (sy < border_from_y)
13593             border_from_y = sy;
13594           else if (sy > border_to_y)
13595             border_to_y = sy;
13596
13597           DrawBrushElement(sx, sy, element, change_level);
13598         }
13599       }
13600     }
13601
13602     if (mode != CB_DELETE_OLD_CURSOR)
13603       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
13604
13605     last_cursor_x = cursor_x;
13606     last_cursor_y = cursor_y;
13607
13608     delete_old_brush = TRUE;
13609   }
13610   else if (mode == CB_FLIP_BRUSH_X)
13611   {
13612     for (y = 0; y < brush_height; y++)
13613       for (x = 0; x < (brush_width + 1) / 2; x++)
13614         SwapFlippedTiles(&brush_buffer[x][y],
13615                          &brush_buffer[brush_width - x - 1][y], mode);
13616
13617     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
13618   }
13619   else if (mode == CB_FLIP_BRUSH_Y)
13620   {
13621     for (y = 0; y < (brush_height + 1) / 2; y++)
13622       for (x = 0; x < brush_width; x++)
13623         SwapFlippedTiles(&brush_buffer[x][y],
13624                          &brush_buffer[x][brush_height - y - 1], mode);
13625
13626     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
13627   }
13628   else if (mode == CB_FLIP_BRUSH_XY)
13629   {
13630     CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
13631
13632     for (y = 0; y < MAX(brush_width, brush_height); y++)
13633       for (x = 0; x <= y; x++)
13634         SwapFlippedTiles(&brush_buffer[x][y],
13635                          &brush_buffer[y][x], mode);
13636
13637     swap_numbers(&brush_width, &brush_height);
13638
13639     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
13640   }
13641
13642   if (mode == CB_UPDATE_BRUSH_POSITION)
13643   {
13644     last_cursor_x = from_x;
13645     last_cursor_y = from_y;
13646   }
13647 }
13648
13649 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
13650                             int button)
13651 {
13652   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
13653 }
13654
13655 static void CopyBrushToLevel(int x, int y, int button)
13656 {
13657   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
13658 }
13659
13660 static void CopyBrushToCursor(int x, int y)
13661 {
13662   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
13663 }
13664
13665 static void UpdateBrushPosition(int x, int y)
13666 {
13667   CopyBrushExt(x, y, 0, 0, 0, CB_UPDATE_BRUSH_POSITION);
13668 }
13669
13670 static void DeleteBrushFromCursor(void)
13671 {
13672   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
13673 }
13674
13675 static void FlipBrushX(void)
13676 {
13677   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_X);
13678 }
13679
13680 static void FlipBrushY(void)
13681 {
13682   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_Y);
13683 }
13684
13685 static void RotateBrush(void)
13686 {
13687   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_XY);
13688   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_X);
13689 }
13690
13691 void DumpBrush(void)
13692 {
13693   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
13694 }
13695
13696 void DumpBrush_Small(void)
13697 {
13698   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
13699 }
13700
13701 void CopyClipboardToBrush(void)
13702 {
13703   CopyBrushExt(0, 0, 0, 0, 0, CB_CLIPBOARD_TO_BRUSH);
13704 }
13705
13706 void CopyBrushToClipboard(void)
13707 {
13708   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD);
13709 }
13710
13711 void CopyBrushToClipboard_Small(void)
13712 {
13713   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD_SMALL);
13714 }
13715
13716 void UndoLevelEditorOperation(void)
13717 {
13718   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], -1);
13719 }
13720
13721 void RedoLevelEditorOperation(void)
13722 {
13723   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
13724 }
13725
13726 static void FloodFill(int from_x, int from_y, int fill_element)
13727 {
13728   FloodFillLevel(from_x, from_y, fill_element, Tile, lev_fieldx, lev_fieldy);
13729 }
13730
13731 static void FloodFillWall_MM(int from_sx2, int from_sy2, int fill_element)
13732 {
13733   int from_x = from_sx2 + 2 * level_xpos;
13734   int from_y = from_sy2 + 2 * level_ypos;
13735   int max_fillx = lev_fieldx * 2;
13736   int max_filly = lev_fieldy * 2;
13737   short Fill[max_fillx][max_filly];
13738   int x, y;
13739
13740   for (x = 0; x < max_fillx; x++)
13741     for (y = 0; y < max_filly; y++)
13742       Fill[x][y] = getLevelElementHiRes(x, y);
13743
13744   FloodFillLevelExt(from_x, from_y, fill_element, max_fillx, max_filly,
13745                     Fill, max_fillx, max_filly);
13746
13747   for (x = 0; x < max_fillx; x++)
13748     for (y = 0; y < max_filly; y++)
13749       if (Fill[x][y] == fill_element)
13750         SetLevelElementHiRes(x, y, Fill[x][y]);
13751 }
13752
13753 // values for DrawLevelText() modes
13754 #define TEXT_INIT               0
13755 #define TEXT_SETCURSOR          1
13756 #define TEXT_WRITECHAR          2
13757 #define TEXT_BACKSPACE          3
13758 #define TEXT_NEWLINE            4
13759 #define TEXT_END                5
13760 #define TEXT_QUERY_TYPING       6
13761
13762 static int DrawLevelText(int sx, int sy, char letter, int mode)
13763 {
13764   static short delete_buffer[MAX_LEV_FIELDX];
13765   static int start_sx;
13766   static int last_sx, last_sy;
13767   static boolean typing = FALSE;
13768   int letter_element;
13769   int lx = 0, ly = 0;
13770
13771   // map lower case letters to upper case and convert special characters
13772   if (letter >= 'a' && letter <= 'z')
13773     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
13774   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
13775     letter_element = EL_CHAR_AUMLAUT;
13776   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
13777     letter_element = EL_CHAR_OUMLAUT;
13778   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
13779     letter_element = EL_CHAR_UUMLAUT;
13780   else if (letter == '^')
13781     letter_element = EL_CHAR_COPYRIGHT;
13782   else
13783     letter_element = EL_CHAR_ASCII0 + letter;
13784
13785   if (mode != TEXT_INIT)
13786   {
13787     if (!typing)
13788       return FALSE;
13789
13790     if (mode != TEXT_SETCURSOR)
13791     {
13792       sx = last_sx;
13793       sy = last_sy;
13794     }
13795
13796     lx = last_sx + level_xpos;
13797     ly = last_sy + level_ypos;
13798   }
13799
13800   switch (mode)
13801   {
13802     case TEXT_INIT:
13803       if (typing)
13804         DrawLevelText(0, 0, 0, TEXT_END);
13805
13806       typing = TRUE;
13807       start_sx = sx;
13808       last_sx = sx;
13809       last_sy = sy;
13810       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
13811       break;
13812
13813     case TEXT_SETCURSOR:
13814       DrawEditorElement(last_sx, last_sy, Tile[lx][ly]);
13815       DrawAreaBorder(sx, sy, sx, sy);
13816       StartTextInput(SX + sx * ed_tilesize, SY + sy * ed_tilesize,
13817                      ed_tilesize, ed_tilesize);
13818       last_sx = sx;
13819       last_sy = sy;
13820       break;
13821
13822     case TEXT_WRITECHAR:
13823       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
13824       {
13825         if (new_element1 >= EL_STEEL_CHAR_START &&
13826             new_element1 <= EL_STEEL_CHAR_END)
13827           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
13828
13829         delete_buffer[sx - start_sx] = Tile[lx][ly];
13830         Tile[lx][ly] = letter_element;
13831
13832         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
13833           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
13834         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
13835           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
13836         else
13837           DrawLevelText(0, 0, 0, TEXT_END);
13838
13839         level.changed = TRUE;
13840       }
13841       break;
13842
13843     case TEXT_BACKSPACE:
13844       if (sx > start_sx)
13845       {
13846         Tile[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
13847         DrawEditorElement(sx - 1, sy, Tile[lx - 1][ly]);
13848         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
13849       }
13850       break;
13851
13852     case TEXT_NEWLINE:
13853       if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
13854         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
13855       else
13856         DrawLevelText(0, 0, 0, TEXT_END);
13857       break;
13858
13859     case TEXT_END:
13860       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13861       DrawEditorElement(sx, sy, Tile[lx][ly]);
13862       StopTextInput();
13863       typing = FALSE;
13864       break;
13865
13866     case TEXT_QUERY_TYPING:
13867       break;
13868
13869     default:
13870       break;
13871   }
13872
13873   return typing;
13874 }
13875
13876 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
13877                           int element, boolean change_level)
13878 {
13879   int lx = sx + level_xpos;
13880   int ly = sy + level_ypos;
13881
13882   if (element == -1)
13883     DrawEditorElement(sx, sy, Tile[lx][ly]);
13884   else
13885     DrawAreaBorder(sx, sy, sx, sy);
13886 }
13887
13888 static void CheckLevelBorderElement(boolean redraw_playfield)
13889 {
13890   int last_border_element = BorderElement;
13891
13892   SetBorderElement();
13893
13894   if (redraw_playfield && BorderElement != last_border_element)
13895     DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13896 }
13897
13898 static void CopyLevelToUndoBuffer(int mode)
13899 {
13900   static boolean accumulated_undo = FALSE;
13901   boolean new_undo_buffer_position = TRUE;
13902   int x, y;
13903
13904   if (undo_buffer_steps == 0)
13905     accumulated_undo = FALSE;
13906
13907   switch (mode)
13908   {
13909     case UNDO_IMMEDIATE:
13910       accumulated_undo = FALSE;
13911       break;
13912
13913     case UNDO_ACCUMULATE:
13914       if (accumulated_undo)
13915         new_undo_buffer_position = FALSE;
13916       accumulated_undo = TRUE;
13917       break;
13918
13919     default:
13920       break;
13921   }
13922
13923   if (new_undo_buffer_position)
13924   {
13925     // advance position in undo buffer ring
13926     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
13927
13928     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
13929       undo_buffer_steps++;
13930   }
13931
13932   // always reset redo buffer when storing level change into undo buffer
13933   redo_buffer_steps = 0;
13934
13935   for (x = 0; x < lev_fieldx; x++)
13936     for (y = 0; y < lev_fieldy; y++)
13937       UndoBuffer[undo_buffer_position][x][y] = Tile[x][y];
13938
13939   // check if drawing operation forces change of border style
13940   CheckLevelBorderElement(TRUE);
13941
13942   level.changed = TRUE;
13943 }
13944
13945 static void RandomPlacement(int new_element)
13946 {
13947   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
13948   int num_free_positions = 0;
13949   int num_percentage, num_elements;
13950   int x, y;
13951
13952   ResetIntelliDraw();
13953
13954   // determine number of free positions for randomly placing the new element
13955   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
13956   {
13957     free_position[x][y] =
13958       (random_placement_background_restricted ?
13959        Tile[x][y] == random_placement_background_element :
13960        Tile[x][y] != new_element);
13961
13962     if (free_position[x][y])
13963       num_free_positions++;
13964   }
13965
13966   // determine number of new elements to place there
13967   num_percentage = num_free_positions * random_placement_value / 100;
13968   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
13969                   num_percentage : random_placement_value);
13970
13971   // if less free positions than elements to place, fill all these positions
13972   if (num_free_positions < num_elements)
13973   {
13974     for (x = 0; x < lev_fieldx; x++)
13975       for (y = 0; y < lev_fieldy; y++)
13976         if (free_position[x][y])
13977           SetElement(x, y, new_element);
13978   }
13979   else
13980   {
13981     while (num_elements > 0)
13982     {
13983       x = GetSimpleRandom(lev_fieldx);
13984       y = GetSimpleRandom(lev_fieldy);
13985
13986       // don't place element at the same position twice
13987       if (free_position[x][y])
13988       {
13989         free_position[x][y] = FALSE;
13990         SetElement(x, y, new_element);
13991         num_elements--;
13992       }
13993     }
13994   }
13995
13996   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13997   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13998 }
13999
14000 static void WrapLevel(int dx, int dy)
14001 {
14002   int wrap_dx = lev_fieldx - dx;
14003   int wrap_dy = lev_fieldy - dy;
14004   int x, y;
14005
14006   for (x = 0; x < lev_fieldx; x++)
14007     for (y = 0; y < lev_fieldy; y++)
14008       TileBackup[x][y] = Tile[x][y];
14009
14010   for (x = 0; x < lev_fieldx; x++)
14011     for (y = 0; y < lev_fieldy; y++)
14012       Tile[x][y] =
14013         TileBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
14014
14015   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14016   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
14017 }
14018
14019 static void DrawAreaElementHighlight(boolean highlighted,
14020                                      boolean highlighted_similar)
14021 {
14022   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14023
14024   if (!highlighted)
14025     return;
14026
14027   int x, y;
14028
14029   for (x = 0; x < ed_fieldx; x++)
14030   {
14031     for (y = 0; y < ed_fieldy; y++)
14032     {
14033       boolean highlight = FALSE;
14034       int lx = x + level_xpos;
14035       int ly = y + level_ypos;
14036
14037       if (!IN_LEV_FIELD(lx, ly))
14038         continue;
14039
14040       // check if element is the same
14041       if (Tile[lx][ly] == new_element1)
14042         highlight = TRUE;
14043
14044       // check if element is similar
14045       if (highlighted_similar &&
14046           strEqual(element_info[Tile[lx][ly]].class_name,
14047                    element_info[new_element1].class_name))
14048         highlight = TRUE;
14049
14050       // check if element is matching MM style wall
14051       if (IS_MM_WALL(Tile[lx][ly]) &&
14052           map_mm_wall_element(Tile[lx][ly]) == new_element1)
14053         highlight = TRUE;
14054
14055       if (!highlight)
14056         continue;
14057
14058       if (IS_MM_WALL(Tile[lx][ly]) && !highlighted_similar)
14059       {
14060         int i;
14061
14062         for (i = 0; i < 4; i++)
14063         {
14064           if (!(MM_WALL_BITS(Tile[lx][ly]) & (1 << i)))
14065             continue;
14066
14067           int xx = x * 2 + (i % 2);
14068           int yy = y * 2 + (i / 2);
14069           int sx = SX + xx * ed_tilesize / 2;
14070           int sy = SY + yy * ed_tilesize / 2;
14071           int from_sx = sx;
14072           int from_sy = sy;
14073           int to_sx = sx + ed_tilesize / 2 - 1;
14074           int to_sy = sy + ed_tilesize / 2 - 1;
14075
14076           DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx,   from_sy);
14077           DrawSimpleWhiteLine(drawto, to_sx,   from_sy, to_sx,   to_sy);
14078           DrawSimpleWhiteLine(drawto, to_sx,   to_sy,   from_sx, to_sy);
14079           DrawSimpleWhiteLine(drawto, from_sx, to_sy,   from_sx, from_sy);
14080         }
14081       }
14082       else
14083       {
14084         int sx = SX + x * ed_tilesize;
14085         int sy = SY + y * ed_tilesize;
14086         int from_sx = sx;
14087         int from_sy = sy;
14088         int to_sx = sx + ed_tilesize - 1;
14089         int to_sy = sy + ed_tilesize - 1;
14090
14091         DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx,   from_sy);
14092         DrawSimpleWhiteLine(drawto, to_sx,   from_sy, to_sx,   to_sy);
14093         DrawSimpleWhiteLine(drawto, to_sx,   to_sy,   from_sx, to_sy);
14094         DrawSimpleWhiteLine(drawto, from_sx, to_sy,   from_sx, from_sy);
14095       }
14096     }
14097   }
14098 }
14099
14100 static void CopyLevelTemplateToUserLevelSet(char *levelset_subdir)
14101 {
14102   char *template_filename_old = getLocalLevelTemplateFilename();
14103   char *template_filename_new =
14104     getPath2(getUserLevelDir(levelset_subdir), LEVELTEMPLATE_FILENAME);
14105
14106   if (copyFile(template_filename_old, template_filename_new) != 0)
14107     Request("Cannot copy level template!", REQ_CONFIRM);
14108
14109   free(template_filename_new);
14110 }
14111
14112 static void HandleDrawingAreas(struct GadgetInfo *gi)
14113 {
14114   static boolean started_inside_drawing_area = FALSE;
14115   static int last_sx = -1;
14116   static int last_sy = -1;
14117   static int last_sx2 = -1;
14118   static int last_sy2 = -1;
14119   int id = gi->custom_id;
14120   int type_id = gi->custom_type_id;
14121   boolean button_press_event;
14122   boolean button_release_event;
14123   boolean inside_drawing_area = !gi->event.off_borders;
14124   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
14125   int actual_drawing_function;
14126   int button = gi->event.button;
14127   int new_element = BUTTON_ELEMENT(button);
14128   int sx = gi->event.x, sy = gi->event.y;
14129   int min_sx = 0, min_sy = 0;
14130   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
14131   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
14132   int mini_item_xsize = item_xsize / 2, mini_item_ysize = item_ysize / 2;
14133   int sx2 = gi->event.mx / mini_item_xsize;
14134   int sy2 = gi->event.my / mini_item_ysize;
14135   int dx = sx2 % 2;
14136   int dy = sy2 % 2;
14137   int lx = 0, ly = 0;
14138   int x, y;
14139
14140   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
14141   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
14142
14143   // make sure to stay inside drawing area boundaries
14144   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
14145   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
14146
14147   if (draw_level)
14148   {
14149     int min_lx = 0, min_ly = 0;
14150     int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
14151
14152     // get positions inside level field
14153     lx = sx + level_xpos;
14154     ly = sy + level_ypos;
14155
14156     if (!IN_LEV_FIELD(lx, ly))
14157       inside_drawing_area = FALSE;
14158
14159     // make sure to stay inside level field boundaries
14160     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
14161     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
14162
14163     // correct drawing area positions accordingly
14164     sx = lx - level_xpos;
14165     sy = ly - level_ypos;
14166   }
14167
14168   // also correct MM wall-sized (double) drawing area positions accordingly
14169   if (sx2 / 2 < sx || sx2 / 2 > sx)
14170   {
14171     dx = (sx2 / 2 < sx ? 0 : 1);
14172     sx2 = sx * 2 + dx;
14173   }
14174   if (sy2 / 2 < sy || sy2 / 2 > sy)
14175   {
14176     dy = (sy2 / 2 < sy ? 0 : 1);
14177     sy2 = sy * 2 + dy;
14178   }
14179
14180   if (!button_press_event && !button_release_event)
14181   {
14182     int old_element = (IN_LEV_FIELD(lx, ly) ? Tile[lx][ly] : EL_UNDEFINED);
14183     boolean hires_drawing = (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
14184                              isHiresTileElement(old_element) &&
14185                              isHiresDrawElement(new_element));
14186
14187     // prevent handling events for every pixel position when moving mouse
14188     if ((sx == last_sx && sy == last_sy && !hires_drawing) ||
14189         (sx2 == last_sx2 && sy2 == last_sy2))
14190       return;
14191   }
14192
14193   last_sx = sx;
14194   last_sy = sy;
14195   last_sx2 = sx2;
14196   last_sy2 = sy2;
14197
14198   if (button_press_event)
14199     started_inside_drawing_area = inside_drawing_area;
14200
14201   if (!started_inside_drawing_area)
14202     return;
14203
14204   if (!IS_VALID_BUTTON(button))
14205     return;
14206
14207   // handle info callback for each invocation of action callback
14208   gi->callback_info(gi);
14209
14210   // automatically switch to 'single item' drawing mode, if needed
14211   actual_drawing_function =
14212     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
14213      drawing_function : GADGET_ID_SINGLE_ITEMS);
14214
14215   // clicking into drawing area with pressed Control key picks element
14216   if (GetKeyModState() & KMOD_Control)
14217   {
14218     last_drawing_function = drawing_function;
14219     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
14220   }
14221
14222   if (GetKeyModState() & KMOD_Shift)
14223   {
14224     if (button_press_event || button_release_event)
14225       ResetIntelliDraw();
14226   }
14227
14228   SetDrawModeHiRes(-1);         // reset to normal draw mode
14229
14230   switch (actual_drawing_function)
14231   {
14232     case GADGET_ID_SINGLE_ITEMS:
14233       if (draw_level)
14234       {
14235         if (button_release_event)
14236         {
14237           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14238
14239           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
14240               !inside_drawing_area)
14241             DeleteBrushFromCursor();
14242
14243           break;
14244         }
14245
14246         if (draw_with_brush)
14247         {
14248           CopyBrushToLevel(sx, sy, button);
14249         }
14250         else
14251         {
14252           SetDrawModeHiRes(new_element);
14253
14254           if (IS_PLAYER_ELEMENT(new_element) || IS_MM_MCDUFFIN(new_element))
14255           {
14256             // remove player at old position
14257             for (y = 0; y < lev_fieldy; y++)
14258             {
14259               for (x = 0; x < lev_fieldx; x++)
14260               {
14261                 int old_element = Tile[x][y];
14262
14263                 if (IS_PLAYER_ELEMENT(old_element) &&
14264                     IS_PLAYER_ELEMENT(new_element))
14265                 {
14266                   int replaced_with_element =
14267                     (old_element == EL_SOKOBAN_FIELD_PLAYER &&
14268                      new_element == EL_PLAYER_1 ? EL_SOKOBAN_FIELD_EMPTY :
14269
14270                      old_element == EL_SOKOBAN_FIELD_PLAYER &&
14271                      new_element == old_element ? EL_SOKOBAN_FIELD_EMPTY :
14272
14273                      new_element == EL_SOKOBAN_FIELD_PLAYER &&
14274                      old_element == EL_PLAYER_1 ? EL_EMPTY :
14275
14276                      new_element >= EL_PLAYER_1 &&
14277                      new_element <= EL_PLAYER_4 &&
14278                      new_element == old_element ? EL_EMPTY :
14279
14280                      old_element);
14281
14282                   SetElement(x, y, replaced_with_element);
14283                 }
14284                 else if (IS_MM_MCDUFFIN(old_element) &&
14285                          IS_MM_MCDUFFIN(new_element))
14286                 {
14287                   // remove McDuffin at old position
14288                   SetElement(x, y, EL_EMPTY);
14289                 }
14290               }
14291             }
14292           }
14293
14294           SetElementButton(lx, ly, dx, dy, new_element, button);
14295         }
14296       }
14297       else if (!button_release_event)
14298       {
14299         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
14300
14301         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
14302           DrawMiniGraphicExt(drawto,
14303                              gi->x + sx * MINI_TILEX,
14304                              gi->y + sy * MINI_TILEY,
14305                              el2edimg(new_element));
14306         else
14307           DrawFixedGraphicExt(drawto,
14308                               gi->x + sx * TILEX,
14309                               gi->y + sy * TILEY,
14310                               el2edimg(new_element), 0);
14311
14312         if (id == GADGET_ID_CUSTOM_GRAPHIC)
14313           new_element = GFX_ELEMENT(new_element);
14314
14315         drawingarea_info[type_id].value[pos] = new_element;
14316
14317         CopyElementPropertiesToGame(properties_element);
14318
14319         if (id == GADGET_ID_CUSTOM_GRAPHIC)
14320         {
14321           UpdateCustomElementGraphicGadgets();
14322
14323           FrameCounter = 0;     // restart animation frame counter
14324         }
14325       }
14326       break;
14327
14328     case GADGET_ID_CONNECTED_ITEMS:
14329       {
14330         static int last_sx = -1;
14331         static int last_sy = -1;
14332
14333         if (button_release_event)
14334           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14335
14336         SetDrawModeHiRes(new_element);
14337
14338         if (getDrawModeHiRes())
14339         {
14340           sx = sx2;
14341           sy = sy2;
14342         }
14343
14344         if (!button_press_event)
14345           DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
14346
14347         last_sx = sx;
14348         last_sy = sy;
14349       }
14350       break;
14351
14352     case GADGET_ID_LINE:
14353     case GADGET_ID_ARC:
14354     case GADGET_ID_RECTANGLE:
14355     case GADGET_ID_FILLED_BOX:
14356       SetDrawModeHiRes(new_element);
14357
14358       if (getDrawModeHiRes())
14359       {
14360         sx = sx2;
14361         sy = sy2;
14362       }
14363       // FALLTHROUGH
14364     case GADGET_ID_GRAB_BRUSH:
14365     case GADGET_ID_TEXT:
14366       {
14367         static int last_sx = -1;
14368         static int last_sy = -1;
14369         static int start_sx = -1;
14370         static int start_sy = -1;
14371         void (*draw_func)(int, int, int, int, int, boolean);
14372
14373         if (drawing_function == GADGET_ID_LINE)
14374           draw_func = DrawLine;
14375         else if (drawing_function == GADGET_ID_ARC)
14376           draw_func = DrawArc;
14377         else if (drawing_function == GADGET_ID_RECTANGLE)
14378           draw_func = DrawBox;
14379         else if (drawing_function == GADGET_ID_FILLED_BOX)
14380           draw_func = DrawFilledBox;
14381         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
14382           draw_func = SelectArea;
14383         else // (drawing_function == GADGET_ID_TEXT)
14384           draw_func = SetTextCursor;
14385
14386         if (button_press_event)
14387         {
14388           draw_func(sx, sy, sx, sy, new_element, FALSE);
14389           start_sx = last_sx = sx;
14390           start_sy = last_sy = sy;
14391
14392           if (drawing_function == GADGET_ID_TEXT)
14393             DrawLevelText(0, 0, 0, TEXT_END);
14394         }
14395         else if (button_release_event)
14396         {
14397           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
14398           if (drawing_function == GADGET_ID_GRAB_BRUSH)
14399           {
14400             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
14401             CopyBrushToCursor(sx, sy);
14402             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
14403                           MB_LEFTBUTTON);
14404             draw_with_brush = TRUE;
14405           }
14406           else if (drawing_function == GADGET_ID_TEXT)
14407             DrawLevelText(sx, sy, 0, TEXT_INIT);
14408           else
14409             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14410         }
14411         else if (last_sx != sx || last_sy != sy)
14412         {
14413           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
14414           if (IS_MM_WALL_EDITOR(new_element))   // clear wall background
14415             draw_func(start_sx, start_sy, sx, sy, EL_EMPTY, FALSE);
14416           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
14417           last_sx = sx;
14418           last_sy = sy;
14419         }
14420       }
14421       break;
14422
14423     case GADGET_ID_FLOOD_FILL:
14424       if (button_press_event && Tile[lx][ly] != new_element)
14425       {
14426         if (IS_MM_WALL_EDITOR(new_element))
14427           FloodFillWall_MM(sx2, sy2, new_element);
14428         else
14429           FloodFill(lx, ly, new_element);
14430
14431         DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14432         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14433       }
14434       break;
14435
14436     case GADGET_ID_PICK_ELEMENT:
14437       if (button_release_event)
14438         ClickOnGadget(level_editor_gadget[last_drawing_function],
14439                       MB_LEFTBUTTON);
14440       else if (draw_level)
14441         PickDrawingElement(button, Tile[lx][ly]);
14442       else
14443       {
14444         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
14445
14446         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
14447       }
14448
14449     default:
14450       break;
14451   }
14452
14453   // do not mark level as modified for certain non-level-changing gadgets
14454   if ((type_id >= ED_DRAWING_ID_EDITOR_FIRST &&
14455        type_id <= ED_DRAWING_ID_EDITOR_LAST) ||
14456       actual_drawing_function == GADGET_ID_GRAB_BRUSH ||
14457       actual_drawing_function == GADGET_ID_PICK_ELEMENT)
14458     return;
14459
14460   level.changed = TRUE;
14461 }
14462
14463 static void HandleCounterButtons(struct GadgetInfo *gi)
14464 {
14465   int gadget_id = gi->custom_id;
14466   int counter_id = gi->custom_type_id;
14467   int button = gi->event.button;
14468   int *counter_value = counterbutton_info[counter_id].value;
14469   int step = BUTTON_STEPSIZE(button) *
14470     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
14471
14472   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
14473   {
14474     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
14475     boolean released = (gi->event.type == GD_EVENT_RELEASED);
14476     boolean level_changed = LevelChanged();
14477
14478     if ((level_changed && pressed) || (!level_changed && released))
14479       return;
14480
14481     if (level_changed && !Request("Level has changed! Discard changes?",
14482                                   REQ_ASK))
14483     {
14484       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
14485         ModifyEditorCounterValue(counter_id, *counter_value);
14486
14487       return;
14488     }
14489   }
14490
14491   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
14492     *counter_value = gi->textinput.number_value;
14493   else
14494     ModifyEditorCounterValue(counter_id, *counter_value + step);
14495
14496   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
14497   {
14498     int last_game_engine_type = level.game_engine_type;
14499
14500     LoadLevel(level_nr);
14501     LoadScore(level_nr);
14502
14503     SaveLevelSetup_SeriesInfo();
14504
14505     TapeErase();
14506
14507     ResetUndoBuffer();
14508     DrawEditModeWindow();
14509
14510     if (level.game_engine_type != last_game_engine_type)
14511     {
14512       // update element selection list
14513       ReinitializeElementList();
14514       ModifyEditorElementList();
14515     }
14516
14517     return;
14518   }
14519
14520   switch (counter_id)
14521   {
14522     case ED_COUNTER_ID_YAMYAM_CONTENT:
14523       DrawYamYamContentAreas();
14524       break;
14525
14526     case ED_COUNTER_ID_BALL_CONTENT:
14527       DrawMagicBallContentAreas();
14528       break;
14529
14530     case ED_COUNTER_ID_ANDROID_CONTENT:
14531       DrawAndroidElementArea();
14532       break;
14533
14534     case ED_COUNTER_ID_GROUP_CONTENT:
14535       DrawGroupElementArea();
14536       CopyGroupElementPropertiesToGame(properties_element);
14537       break;
14538
14539     case ED_COUNTER_ID_INVENTORY_SIZE:
14540       DrawPlayerInitialInventoryArea(properties_element);
14541       break;
14542
14543     case ED_COUNTER_ID_MM_BALL_CONTENT:
14544       DrawMMBallContentArea();
14545       break;
14546
14547     case ED_COUNTER_ID_ENVELOPE_XSIZE:
14548     case ED_COUNTER_ID_ENVELOPE_YSIZE:
14549       DrawEnvelopeTextArea(-1);
14550       break;
14551
14552     case ED_COUNTER_ID_LEVEL_XSIZE:
14553     case ED_COUNTER_ID_LEVEL_YSIZE:
14554       lev_fieldx = level.fieldx;
14555       lev_fieldy = level.fieldy;
14556
14557       // check if resizing of level results in change of border border
14558       SetBorderElement();
14559
14560       break;
14561
14562     default:
14563       break;
14564   }
14565
14566   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
14567        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
14568       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
14569        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
14570     CopyElementPropertiesToGame(properties_element);
14571
14572   // do not mark level as modified for certain non-level-changing gadgets
14573   if ((counter_id >= ED_COUNTER_ID_LEVELSET_FIRST &&
14574        counter_id <= ED_COUNTER_ID_LEVELSET_LAST) ||
14575       (counter_id >= ED_COUNTER_ID_EDITOR_FIRST &&
14576        counter_id <= ED_COUNTER_ID_EDITOR_LAST))
14577     return;
14578
14579   level.changed = TRUE;
14580 }
14581
14582 static void HandleTextInputGadgets(struct GadgetInfo *gi)
14583 {
14584   int type_id = gi->custom_type_id;
14585
14586   strcpy(textinput_info[type_id].value, gi->textinput.value);
14587
14588   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
14589   {
14590     CopyElementPropertiesToGame(properties_element);
14591
14592     ModifyEditorElementList();  // update changed button info text
14593   }
14594
14595   // do not mark level as modified for certain non-level-changing gadgets
14596   if (type_id >= ED_TEXTINPUT_ID_LEVELSET_FIRST &&
14597       type_id <= ED_TEXTINPUT_ID_LEVELSET_LAST)
14598     return;
14599
14600   level.changed = TRUE;
14601 }
14602
14603 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
14604 {
14605   int type_id = gi->custom_type_id;
14606
14607   strncpy(textarea_info[type_id].value, gi->textarea.value,
14608           MAX_ENVELOPE_TEXT_LEN);
14609   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
14610
14611   level.changed = TRUE;
14612 }
14613
14614 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
14615 {
14616   int type_id = gi->custom_type_id;
14617   int value_old = *selectbox_info[type_id].value;
14618   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
14619
14620   *selectbox_info[type_id].value = value_new;
14621
14622   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE)
14623   {
14624     DrawLevelConfigWindow();
14625   }
14626   else if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
14627   {
14628     element_info[properties_element].current_change_page = gi->selectbox.index;
14629
14630     DrawPropertiesWindow();
14631   }
14632   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
14633             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
14634            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
14635             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
14636            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
14637   {
14638     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
14639     {
14640       // when changing action type, also check action mode and action arg
14641       if (value_old != value_new)
14642         setSelectboxSpecialActionVariablesIfNeeded();
14643
14644       DrawPropertiesChange();
14645     }
14646
14647     CopyElementPropertiesToGame(properties_element);
14648   }
14649   else if (type_id == ED_SELECTBOX_ID_GAME_ENGINE_TYPE)
14650   {
14651     // show or hide "engine" tabulator depending on game engine type
14652     DrawLevelConfigWindow();
14653
14654     // update element selection list depending on game engine type
14655     ReinitializeElementList();
14656     ModifyEditorElementList();
14657   }
14658   else if (type_id == ED_SELECTBOX_ID_BD_SCHEDULING_TYPE)
14659   {
14660     // update BD cycle delay counter gadgets depending on BD scheduling type
14661     DrawLevelConfigWindow();
14662   }
14663
14664   // do not mark level as modified for certain non-level-changing gadgets
14665   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE ||
14666       type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
14667     return;
14668
14669   level.changed = TRUE;
14670 }
14671
14672 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
14673 {
14674   int type_id = gi->custom_type_id;
14675   int i;
14676
14677   if (type_id >= ED_TAB_BUTTON_ID_LEVELCONFIG_FIRST &&
14678       type_id <= ED_TAB_BUTTON_ID_LEVELCONFIG_LAST)
14679   {
14680     edit_mode_levelconfig = gi->custom_type_id;
14681
14682     DrawLevelConfigWindow();
14683   }
14684   else if (type_id >= ED_TAB_BUTTON_ID_PROPERTIES_FIRST &&
14685            type_id <= ED_TAB_BUTTON_ID_PROPERTIES_LAST)
14686   {
14687     edit_mode_properties = gi->custom_type_id;
14688
14689     DrawPropertiesWindow();
14690   }
14691   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1 ||
14692            type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2)
14693   {
14694     boolean new_template = !fileExists(getLocalLevelTemplateFilename());
14695
14696     // backup original "level.field" (needed to track playfield changes)
14697     CopyPlayfield(level.field, TileBackup);
14698
14699     // "SaveLevelTemplate()" uses "level.field", so copy editor playfield
14700     CopyPlayfield(Tile, level.field);
14701
14702     if (new_template ||
14703         Request("Save this template and kill the old?", REQ_ASK))
14704       SaveLevelTemplate();
14705
14706     if (new_template)
14707       Request("Template saved!", REQ_CONFIRM);
14708
14709     // restore original "level.field" (needed to track playfield changes)
14710     CopyPlayfield(TileBackup, level.field);
14711   }
14712   else if (type_id == ED_TEXTBUTTON_ID_SAVE_LEVELSET)
14713   {
14714     char *levelset_subdir = getLevelSubdirFromSaveMode(levelset_save_mode);
14715
14716     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE &&
14717         leveldir_current->readonly)
14718     {
14719       Request("This level set is read-only!", REQ_CONFIRM);
14720
14721       return;
14722     }
14723
14724     if (strEqual(levelset_name, ""))
14725     {
14726       Request("Please enter level set title!", REQ_CONFIRM);
14727
14728       return;
14729     }
14730
14731     if (strEqual(levelset_author, ""))
14732     {
14733       Request("Please enter level set author!", REQ_CONFIRM);
14734
14735       return;
14736     }
14737
14738     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE)
14739     {
14740       if (UpdateUserLevelSet(levelset_subdir,
14741                              levelset_name,
14742                              levelset_author,
14743                              levelset_num_levels))
14744       {
14745         Request("Level set updated!", REQ_CONFIRM);
14746       }
14747       else
14748       {
14749         Request("Updating level set failed!", REQ_CONFIRM);
14750       }
14751     }
14752     else if (levelset_save_mode == LEVELSET_SAVE_MODE_CREATE)
14753     {
14754       if (level.changed && !Request("Level has changed! Discard changes?",
14755                                      REQ_ASK))
14756         return;
14757
14758       if (CreateUserLevelSet(levelset_subdir,
14759                              levelset_name,
14760                              levelset_author,
14761                              levelset_num_levels,
14762                              levelset_use_levelset_artwork))
14763       {
14764         if (levelset_copy_level_template)
14765           CopyLevelTemplateToUserLevelSet(levelset_subdir);
14766
14767         Request("New level set created!", REQ_CONFIRM);
14768
14769         AddUserLevelSetToLevelInfo(levelset_subdir);
14770         ChangeEditorToLevelSet(levelset_subdir);
14771       }
14772       else
14773       {
14774         Request("Creating new level set failed!", REQ_CONFIRM);
14775       }
14776     }
14777   }
14778   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
14779            custom_element.num_change_pages < MAX_CHANGE_PAGES)
14780   {
14781     struct ElementInfo *ei = &element_info[properties_element];
14782
14783     // when modifying custom element, ask for copying level template
14784     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
14785       return;
14786
14787     setElementChangePages(ei, ei->num_change_pages + 1);
14788
14789     // set new change page to be new current change page
14790     ei->current_change_page = ei->num_change_pages - 1;
14791     ei->change = &ei->change_page[ei->current_change_page];
14792
14793     setElementChangeInfoToDefaults(ei->change);
14794
14795     DrawPropertiesWindow();
14796
14797     level.changed = TRUE;
14798   }
14799   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
14800            custom_element.num_change_pages > MIN_CHANGE_PAGES)
14801   {
14802     struct ElementInfo *ei = &element_info[properties_element];
14803
14804     // when modifying custom element, ask for copying level template
14805     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
14806       return;
14807
14808     // copy all change pages after change page to be deleted
14809     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
14810       ei->change_page[i] = ei->change_page[i + 1];
14811
14812     setElementChangePages(ei, ei->num_change_pages - 1);
14813
14814     DrawPropertiesWindow();
14815
14816     level.changed = TRUE;
14817   }
14818 }
14819
14820 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
14821 {
14822   int type_id = gi->custom_type_id;
14823
14824   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
14825       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
14826   {
14827     struct ElementInfo *ei = &element_info[properties_element];
14828     int step = BUTTON_STEPSIZE(gi->event.button);
14829
14830     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
14831     ei->current_change_page += step;
14832
14833     if (ei->current_change_page < 0)
14834       ei->current_change_page = 0;
14835     else if (ei->current_change_page >= ei->num_change_pages)
14836       ei->current_change_page = ei->num_change_pages - 1;
14837
14838     DrawPropertiesWindow();
14839   }
14840   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
14841            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
14842   {
14843     struct ElementInfo *ei = &element_info[properties_element];
14844     int current_change_page = ei->current_change_page;
14845
14846     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
14847     {
14848       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
14849         ei->change_page[current_change_page];
14850     }
14851     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
14852     {
14853       // when modifying custom element, ask for copying level template
14854       if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
14855         return;
14856
14857       ei->change_page[current_change_page] =
14858         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
14859
14860       level.changed = TRUE;
14861     }
14862
14863     DrawPropertiesWindow();
14864   }
14865 }
14866
14867 static void HandleRadiobuttons(struct GadgetInfo *gi)
14868 {
14869   int type_id = gi->custom_type_id;
14870
14871   *radiobutton_info[type_id].value =
14872     radiobutton_info[type_id].checked_value;
14873
14874   // do not mark level as modified for certain non-level-changing gadgets
14875   if (type_id >= ED_RADIOBUTTON_ID_EDITOR_FIRST &&
14876       type_id <= ED_RADIOBUTTON_ID_EDITOR_LAST)
14877     return;
14878
14879   level.changed = TRUE;
14880 }
14881
14882 static void HandleCheckbuttons(struct GadgetInfo *gi)
14883 {
14884   int type_id = gi->custom_type_id;
14885
14886   *checkbutton_info[type_id].value ^= TRUE;
14887
14888   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
14889       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
14890       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
14891       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
14892          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
14893         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
14894          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
14895        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1))
14896   {
14897     CopyElementPropertiesToGame(properties_element);
14898   }
14899
14900   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
14901   {
14902     UpdateCustomElementGraphicGadgets();
14903   }
14904   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1 ||
14905            type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2)
14906   {
14907     boolean template_related_changes_found = FALSE;
14908     int i;
14909
14910     // check if any custom, group or empty elements have been changed
14911     for (i = 0; i < NUM_FILE_ELEMENTS; i++)
14912       if ((IS_CUSTOM_ELEMENT(i) ||
14913            IS_GROUP_ELEMENT(i) ||
14914            IS_EMPTY_ELEMENT(i)) &&
14915           element_info[i].modified_settings)
14916         template_related_changes_found = TRUE;
14917
14918     if (level.use_custom_template &&
14919         !fileExists(getGlobalLevelTemplateFilename()))
14920     {
14921       Request("No level template found!", REQ_CONFIRM);
14922
14923       level.use_custom_template = FALSE;
14924
14925       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
14926
14927       return;
14928     }
14929
14930     if (level.use_custom_template &&
14931         template_related_changes_found &&
14932         !Request("Discard changes and use level template?", REQ_ASK))
14933     {
14934       level.use_custom_template = FALSE;
14935
14936       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
14937
14938       return;
14939     }
14940
14941     if (!level.use_custom_template &&
14942         Request("Copy settings from level template?", REQ_ASK))
14943     {
14944       return;
14945     }
14946
14947     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
14948
14949     DrawEditModeWindow();
14950   }
14951   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3)
14952   {
14953     if (setup.editor.use_template_for_new_levels &&
14954         !fileExists(getGlobalLevelTemplateFilename()))
14955     {
14956       Request("No level template found!", REQ_CONFIRM);
14957
14958       return;
14959     }
14960
14961     if (setup.editor.use_template_for_new_levels &&
14962         level.changed &&
14963         !Request("Discard level and load template?", REQ_ASK))
14964     {
14965       return;
14966     }
14967
14968     if (!setup.editor.use_template_for_new_levels &&
14969         level.changed &&
14970         !Request("Discard level and use empty level?", REQ_ASK))
14971     {
14972       return;
14973     }
14974
14975     LoadLevel(level_nr);
14976     LoadScore(level_nr);
14977
14978     TapeErase();
14979
14980     ResetUndoBuffer();
14981     DrawEditModeWindow();
14982   }
14983   else if (type_id == ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS)
14984   {
14985     SetAutomaticNumberOfGemsNeeded();
14986   }
14987
14988   // do not mark level as modified for certain non-level-changing gadgets
14989   if ((type_id >= ED_CHECKBUTTON_ID_LEVELSET_FIRST &&
14990        type_id <= ED_CHECKBUTTON_ID_LEVELSET_LAST) ||
14991       (type_id >= ED_CHECKBUTTON_ID_EDITOR_FIRST &&
14992        type_id <= ED_CHECKBUTTON_ID_EDITOR_LAST &&
14993        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2) ||
14994       type_id == ED_CHECKBUTTON_ID_STICK_ELEMENT)
14995     return;
14996
14997   level.changed = TRUE;
14998 }
14999
15000 static void HandleControlButtons(struct GadgetInfo *gi)
15001 {
15002   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
15003   static int last_edit_mode = ED_MODE_DRAWING;
15004   static int last_custom_copy_mode = -1;
15005   static int last_button = 0;
15006   int id = gi->custom_id;
15007   int button = gi->event.button;
15008   int step = BUTTON_STEPSIZE(button);
15009   int new_element = BUTTON_ELEMENT(button);
15010   int last_properties_element = properties_element;
15011   int x, y;
15012
15013   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
15014     DrawLevelText(0, 0, 0, TEXT_END);
15015
15016   if (id < ED_NUM_CTRL1_BUTTONS &&
15017       id != GADGET_ID_SINGLE_ITEMS &&
15018       id != GADGET_ID_PICK_ELEMENT &&
15019       edit_mode != ED_MODE_DRAWING &&
15020       drawing_function != GADGET_ID_PICK_ELEMENT &&
15021       !(GetKeyModState() & KMOD_Control))
15022     ChangeEditModeWindow(ED_MODE_DRAWING);
15023
15024   // element copy mode active, but no element button pressed => deactivate
15025   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
15026     last_custom_copy_mode = -1;
15027
15028   // when showing palette on element buttons, change element of button used
15029   if (editor.palette.show_on_element_buttons &&
15030       id >= GADGET_ID_ELEMENT_LEFT && id <= GADGET_ID_ELEMENT_RIGHT)
15031   {
15032     last_button = id - GADGET_ID_ELEMENT_LEFT + 1;
15033
15034     id = GADGET_ID_PALETTE;
15035   }
15036
15037   switch (id)
15038   {
15039     case GADGET_ID_SCROLL_LEFT:
15040       if (level_xpos >= 0)
15041       {
15042         if (lev_fieldx < ed_fieldx - 2)
15043           break;
15044
15045         level_xpos -= step;
15046         if (level_xpos < -1)
15047           level_xpos = -1;
15048         if (button == 1)
15049           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
15050         else
15051           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15052
15053         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
15054                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
15055       }
15056       break;
15057
15058     case GADGET_ID_SCROLL_RIGHT:
15059       if (level_xpos <= lev_fieldx - ed_fieldx)
15060       {
15061         if (lev_fieldx < ed_fieldx - 2)
15062           break;
15063
15064         level_xpos += step;
15065         if (level_xpos > lev_fieldx - ed_fieldx + 1)
15066           level_xpos = lev_fieldx - ed_fieldx + 1;
15067         if (button == 1)
15068           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
15069         else
15070           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15071
15072         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
15073                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
15074       }
15075       break;
15076
15077     case GADGET_ID_SCROLL_UP:
15078       if (level_ypos >= 0)
15079       {
15080         if (lev_fieldy < ed_fieldy - 2)
15081           break;
15082
15083         level_ypos -= step;
15084         if (level_ypos < -1)
15085           level_ypos = -1;
15086         if (button == 1)
15087           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
15088         else
15089           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15090
15091         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
15092                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
15093       }
15094       break;
15095
15096     case GADGET_ID_SCROLL_DOWN:
15097       if (level_ypos <= lev_fieldy - ed_fieldy)
15098       {
15099         if (lev_fieldy < ed_fieldy - 2)
15100           break;
15101
15102         level_ypos += step;
15103         if (level_ypos > lev_fieldy - ed_fieldy + 1)
15104           level_ypos = lev_fieldy - ed_fieldy + 1;
15105         if (button == 1)
15106           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_UP);
15107         else
15108           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15109
15110         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
15111                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
15112       }
15113       break;
15114
15115     case GADGET_ID_SCROLL_HORIZONTAL:
15116       level_xpos = gi->event.item_position - 1;
15117
15118       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15119       BackToFront();
15120
15121       break;
15122
15123     case GADGET_ID_SCROLL_VERTICAL:
15124       level_ypos = gi->event.item_position - 1;
15125
15126       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15127       BackToFront();
15128
15129       break;
15130
15131     case GADGET_ID_SCROLL_LIST_UP:
15132     case GADGET_ID_SCROLL_LIST_DOWN:
15133     case GADGET_ID_SCROLL_LIST_VERTICAL:
15134       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
15135         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
15136       else
15137       {
15138         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
15139         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
15140
15141         if (element_shift < 0)
15142           element_shift = 0;
15143         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
15144           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
15145
15146         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
15147                      GDI_SCROLLBAR_ITEM_POSITION,
15148                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
15149       }
15150
15151       ModifyEditorElementList();
15152
15153       break;
15154
15155     case GADGET_ID_PROPERTIES:
15156       // always switch off element properties when they are already displayed
15157       last_properties_element = new_element;
15158     case GADGET_ID_ELEMENT_LEFT:
15159     case GADGET_ID_ELEMENT_MIDDLE:
15160     case GADGET_ID_ELEMENT_RIGHT:
15161       properties_element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
15162                             id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
15163                             id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 :
15164                             new_element);
15165
15166       if (edit_mode != ED_MODE_PROPERTIES)
15167       {
15168         last_edit_mode = edit_mode;
15169
15170         ChangeEditModeWindow(ED_MODE_PROPERTIES);
15171
15172         last_level_drawing_function = drawing_function;
15173         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
15174                       MB_LEFTBUTTON);
15175       }
15176       else if (properties_element != last_properties_element)
15177       {
15178         DrawEditModeWindow();
15179       }
15180       else
15181       {
15182         ChangeEditModeWindow(ED_MODE_DRAWING);
15183
15184         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
15185                       MB_LEFTBUTTON);
15186       }
15187       break;
15188
15189     case GADGET_ID_PALETTE:
15190       if (edit_mode != ED_MODE_PALETTE)
15191       {
15192         last_edit_mode = edit_mode;
15193
15194         ChangeEditModeWindow(ED_MODE_PALETTE);
15195       }
15196       else
15197       {
15198         ChangeEditModeWindow(last_edit_mode);
15199       }
15200       break;
15201
15202     case GADGET_ID_WRAP_LEFT:
15203       WrapLevel(-step, 0);
15204       break;
15205
15206     case GADGET_ID_WRAP_RIGHT:
15207       WrapLevel(step, 0);
15208       break;
15209
15210     case GADGET_ID_WRAP_UP:
15211       WrapLevel(0, -step);
15212       break;
15213
15214     case GADGET_ID_WRAP_DOWN:
15215       WrapLevel(0, step);
15216       break;
15217
15218     case GADGET_ID_SINGLE_ITEMS:
15219     case GADGET_ID_CONNECTED_ITEMS:
15220     case GADGET_ID_LINE:
15221     case GADGET_ID_ARC:
15222     case GADGET_ID_TEXT:
15223     case GADGET_ID_RECTANGLE:
15224     case GADGET_ID_FILLED_BOX:
15225     case GADGET_ID_FLOOD_FILL:
15226     case GADGET_ID_GRAB_BRUSH:
15227     case GADGET_ID_PICK_ELEMENT:
15228       if (drawing_function != GADGET_ID_PICK_ELEMENT)
15229         last_drawing_function = drawing_function;
15230       drawing_function = id;
15231       draw_with_brush = FALSE;
15232       break;
15233
15234     case GADGET_ID_RANDOM_PLACEMENT:
15235       RandomPlacement(new_element);
15236       break;
15237
15238     case GADGET_ID_ZOOM:
15239       // zoom level editor tile size in or out (or reset to default size)
15240       ed_tilesize = (button == 1 ? ed_tilesize * 2 :
15241                      button == 2 ? ed_tilesize_default :
15242                      button == 3 ? ed_tilesize / 2 : ed_tilesize);
15243
15244       // when using touch device, cycle through all zoom tilesizes
15245       if (runtime.uses_touch_device && ed_tilesize > TILESIZE)
15246         ed_tilesize = MICRO_TILESIZE;
15247
15248       // limit zoom level by upper and lower bound
15249       ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
15250
15251       InitZoomLevelSettings(ed_tilesize);
15252
15253       if (edit_mode == ED_MODE_DRAWING)
15254       {
15255         DrawDrawingWindow();
15256
15257         // redraw zoom gadget info text
15258         PrintEditorGadgetInfoText(level_editor_gadget[id]);
15259       }
15260
15261       // save current editor zoom tilesize
15262       SaveSetup_AutoSetup();
15263
15264       break;
15265
15266     case GADGET_ID_CUSTOM_COPY_FROM:
15267     case GADGET_ID_CUSTOM_COPY_TO:
15268     case GADGET_ID_CUSTOM_EXCHANGE:
15269       last_custom_copy_mode = id;
15270       last_drawing_function = drawing_function;
15271       break;
15272
15273     case GADGET_ID_CUSTOM_COPY:
15274       CopyCustomElement(properties_element, -1, id);
15275       break;
15276
15277     case GADGET_ID_CUSTOM_PASTE:
15278       CopyCustomElement(-1, properties_element, id);
15279       break;
15280
15281     case GADGET_ID_UNDO:
15282       if (button < 0)   // keep button value (even if modifier keys are pressed)
15283         button = -button;
15284       else if (button == 1 && GetKeyModState() & (KMOD_Shift | KMOD_Control))
15285         button = 3;
15286
15287       if (button == 1 && undo_buffer_steps == 0)
15288       {
15289         Request("Undo buffer empty!", REQ_CONFIRM);
15290
15291         break;
15292       }
15293       else if (button == 2)
15294       {
15295         break;
15296       }
15297       else if (button == 3 && redo_buffer_steps == 0)
15298       {
15299         Request("Redo buffer empty!", REQ_CONFIRM);
15300
15301         break;
15302       }
15303
15304       if (edit_mode != ED_MODE_DRAWING)
15305         ChangeEditModeWindow(ED_MODE_DRAWING);
15306
15307       if (button == 1)
15308       {
15309         // undo
15310
15311         undo_buffer_position =
15312           (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
15313
15314         undo_buffer_steps--;
15315         redo_buffer_steps++;
15316       }
15317       else
15318       {
15319         // redo
15320
15321         undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
15322
15323         undo_buffer_steps++;
15324         redo_buffer_steps--;
15325       }
15326
15327       for (x = 0; x < lev_fieldx; x++)
15328         for (y = 0; y < lev_fieldy; y++)
15329           Tile[x][y] = UndoBuffer[undo_buffer_position][x][y];
15330
15331       // check if undo operation forces change of border style
15332       CheckLevelBorderElement(FALSE);
15333
15334       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15335
15336       break;
15337
15338     case GADGET_ID_CONF:
15339       if (edit_mode != ED_MODE_LEVELCONFIG)
15340       {
15341         last_edit_mode = edit_mode;
15342
15343         ChangeEditModeWindow(ED_MODE_LEVELCONFIG);
15344       }
15345       else
15346       {
15347         ChangeEditModeWindow(ED_MODE_DRAWING);
15348       }
15349       break;
15350
15351     case GADGET_ID_CLEAR:
15352       if (edit_mode != ED_MODE_DRAWING)
15353         ChangeEditModeWindow(ED_MODE_DRAWING);
15354
15355       for (x = 0; x < MAX_LEV_FIELDX; x++)
15356         for (y = 0; y < MAX_LEV_FIELDY; y++)
15357           Tile[x][y] = (button == 1 ? EL_EMPTY : new_element);
15358
15359       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
15360
15361       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15362       break;
15363
15364     case GADGET_ID_SAVE:
15365     {
15366       // saving read-only levels into personal level set modifies global vars
15367       // "leveldir_current" and "level_nr"; restore them after saving level
15368       LevelDirTree *leveldir_former = leveldir_current;
15369       int level_nr_former = level_nr;
15370       char *level_filename;
15371       boolean new_level;
15372
15373       if (leveldir_current->readonly &&
15374           !PrepareSavingIntoPersonalLevelSet())
15375         break;
15376
15377       level_filename = getDefaultLevelFilename(level_nr);
15378       new_level = !fileExists(level_filename);
15379
15380       if (new_level ||
15381           Request("Save this level and kill the old?", REQ_ASK))
15382       {
15383         if (leveldir_former->readonly)
15384           ModifyLevelConfigForSavingIntoPersonalLevelSet(leveldir_former->name);
15385
15386         SetAutomaticNumberOfGemsNeeded();
15387
15388         CopyPlayfield(Tile, level.field);
15389         SaveLevel(level_nr);
15390
15391         level.changed = FALSE;
15392
15393         if (new_level)
15394         {
15395           char level_saved_msg[64];
15396
15397           if (leveldir_former->readonly)
15398             sprintf(level_saved_msg,
15399                     "Level saved as level %d into personal level set!",
15400                     level_nr);
15401           else
15402             strcpy(level_saved_msg, "Level saved!");
15403
15404           Request(level_saved_msg, REQ_CONFIRM);
15405         }
15406       }
15407
15408       // "cd" back to copied-from levelset (in case of saved read-only level)
15409       leveldir_current = leveldir_former;
15410       level_nr = level_nr_former;
15411
15412       break;
15413     }
15414
15415     case GADGET_ID_TEST:
15416       if (LevelChanged())
15417         level.game_version = GAME_VERSION_ACTUAL;
15418
15419       CopyPlayfield(level.field, TileBackup);
15420       CopyPlayfield(Tile, level.field);
15421
15422       CopyNativeLevel_RND_to_Native(&level);
15423
15424       UnmapLevelEditorGadgets();
15425       UndrawSpecialEditorDoor();
15426
15427       CloseDoor(DOOR_CLOSE_ALL);
15428
15429       // needed before playing if editor playfield area has different size
15430       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
15431
15432       // redraw_mask = REDRAW_ALL;
15433
15434       level_editor_test_game = TRUE;
15435
15436       StartGameActions(FALSE, setup.autorecord, level.random_seed);
15437
15438       break;
15439
15440     case GADGET_ID_EXIT:
15441       RequestExitLevelEditor(TRUE, FALSE);  // if level has changed, ask user
15442       break;
15443
15444     default:
15445       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
15446           id <= GADGET_ID_ELEMENTLIST_LAST)
15447       {
15448         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
15449
15450         new_element = editor_elements[element_position + element_shift];
15451
15452         if (IS_EDITOR_CASCADE(new_element))
15453         {
15454           int i;
15455
15456           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
15457           {
15458             int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
15459             boolean *cascade_value = editor_elements_info[i].setup_cascade_value;
15460
15461             if (*cascade_element == new_element)
15462             {
15463               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
15464               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
15465
15466               // update element selection list
15467               ReinitializeElementList();
15468               ModifyEditorElementList();
15469
15470               // update cascading gadget info text
15471               PrintEditorGadgetInfoText(level_editor_gadget[id]);
15472
15473               // save current editor cascading state
15474               SaveSetup_EditorCascade();
15475
15476               break;
15477             }
15478           }
15479
15480           break;
15481         }
15482
15483         if (last_custom_copy_mode != -1)
15484         {
15485           if (CopyCustomElement(properties_element, new_element,
15486                                 last_custom_copy_mode))
15487           {
15488             ClickOnGadget(level_editor_gadget[last_drawing_function],
15489                           MB_LEFTBUTTON);
15490
15491             last_custom_copy_mode = -1;
15492           }
15493
15494           break;
15495         }
15496
15497         // change element of button used to show palette
15498         if (editor.palette.show_on_element_buttons)
15499           button = last_button;
15500
15501         PickDrawingElement(button, new_element);
15502
15503         if (!stick_element_properties_window &&
15504             drawing_function != GADGET_ID_PICK_ELEMENT &&
15505             !(GetKeyModState() & KMOD_Control))
15506         {
15507           properties_element = new_element;
15508           if (edit_mode == ED_MODE_PROPERTIES)
15509             DrawPropertiesWindow();
15510         }
15511
15512         if (drawing_function == GADGET_ID_PICK_ELEMENT)
15513           ClickOnGadget(level_editor_gadget[last_drawing_function],
15514                         MB_LEFTBUTTON);
15515
15516         if (!use_permanent_palette)
15517           ChangeEditModeWindow(last_edit_mode);
15518       }
15519 #ifdef DEBUG
15520       else if (gi->event.type == GD_EVENT_PRESSED)
15521         Debug("editor", "default: HandleControlButtons: GD_EVENT_PRESSED(%d)", id);
15522       else if (gi->event.type == GD_EVENT_RELEASED)
15523         Debug("editor", "default: HandleControlButtons: GD_EVENT_RELEASED(%d)", id);
15524       else if (gi->event.type == GD_EVENT_MOVING)
15525         Debug("editor", "default: HandleControlButtons: GD_EVENT_MOVING(%d)", id);
15526       else
15527         Debug("editor", "default: HandleControlButtons: ? (id == %d)", id);
15528 #endif
15529       break;
15530   }
15531 }
15532
15533 void HandleLevelEditorKeyInput(Key key)
15534 {
15535   char letter = getCharFromKey(key);
15536
15537   if (drawing_function == GADGET_ID_TEXT &&
15538       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
15539   {
15540     if (letter)
15541       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
15542     else if (key == KSYM_Delete || key == KSYM_BackSpace)
15543       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
15544     else if (key == KSYM_Return)
15545       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
15546     else if (key == KSYM_Escape)
15547       DrawLevelText(0, 0, 0, TEXT_END);
15548
15549     return;
15550   }
15551
15552   int id = GADGET_ID_NONE;
15553   int new_element_shift = element_shift;
15554   int step = ED_ELEMENTLIST_BUTTONS_VERT - 1;
15555   int button = MB_LEFTBUTTON;
15556   int i;
15557
15558   switch (key)
15559   {
15560     case KSYM_Left:
15561       id = GADGET_ID_SCROLL_LEFT;
15562       break;
15563     case KSYM_Right:
15564       id = GADGET_ID_SCROLL_RIGHT;
15565       break;
15566     case KSYM_Up:
15567       id = GADGET_ID_SCROLL_UP;
15568       break;
15569     case KSYM_Down:
15570       id = GADGET_ID_SCROLL_DOWN;
15571       break;
15572
15573     case KSYM_Page_Up:
15574     case KSYM_Page_Down:
15575       step *= (key == KSYM_Page_Up ? -1 : +1);
15576       element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
15577
15578       if (element_shift < 0)
15579         element_shift = 0;
15580       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
15581         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
15582
15583       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
15584                    GDI_SCROLLBAR_ITEM_POSITION,
15585                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
15586
15587       ModifyEditorElementList();
15588
15589       break;
15590
15591     case KSYM_Home:
15592     case KSYM_End:
15593       element_shift = (key == KSYM_Home ? 0 :
15594                        num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
15595
15596       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
15597                    GDI_SCROLLBAR_ITEM_POSITION,
15598                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
15599
15600       ModifyEditorElementList();
15601
15602       break;
15603
15604     case KSYM_Insert:
15605     case KSYM_Delete:
15606
15607       // this is needed to prevent interference with running "True X-Mouse"
15608       if (GetKeyModStateFromEvents() & KMOD_Control)
15609         break;
15610
15611       // check for last or next editor cascade block in element list
15612       for (i = 0; i < num_editor_elements; i++)
15613       {
15614         if ((key == KSYM_Insert && i == element_shift) ||
15615             (key == KSYM_Delete && new_element_shift > element_shift))
15616           break;
15617
15618         // jump to next cascade block (or to start of element list)
15619         if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
15620           new_element_shift = i;
15621       }
15622
15623       if (i < num_editor_elements)
15624         element_shift = new_element_shift;
15625
15626       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
15627         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
15628
15629       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
15630                    GDI_SCROLLBAR_ITEM_POSITION,
15631                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
15632
15633       ModifyEditorElementList();
15634
15635       break;
15636
15637     case KSYM_Escape:
15638       if (edit_mode == ED_MODE_DRAWING)
15639         RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
15640       else if (edit_mode == ED_MODE_LEVELCONFIG)
15641         HandleControlButtons(level_editor_gadget[GADGET_ID_CONF]);
15642       else if (edit_mode == ED_MODE_PROPERTIES)
15643         HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
15644       else if (edit_mode == ED_MODE_PALETTE)
15645         HandleControlButtons(level_editor_gadget[GADGET_ID_PALETTE]);
15646       else              // should never happen
15647         ChangeEditModeWindow(ED_MODE_DRAWING);
15648
15649       break;
15650
15651     default:
15652       break;
15653   }
15654
15655   if (id != GADGET_ID_NONE)
15656     ClickOnGadget(level_editor_gadget[id], button);
15657   else if (letter == '1' || letter == '?')
15658     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_LEFT], button);
15659   else if (letter == '2')
15660     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_MIDDLE], button);
15661   else if (letter == '3')
15662     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_RIGHT], button);
15663   else if (letter == '.')
15664     ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
15665   else if (letter == 'U')
15666     ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
15667   else if (letter == '-' || key == KSYM_KP_Subtract)
15668     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 3);
15669   else if (letter == '0' || key == KSYM_KP_0)
15670     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 2);
15671   else if (letter == '+' || key == KSYM_KP_Add ||
15672            letter == '=')       // ("Shift-=" is "+" on US keyboards)
15673     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 1);
15674   else if (key == KSYM_Return ||
15675            key == KSYM_space ||
15676            key == setup.shortcut.toggle_pause)
15677     ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
15678   else
15679     for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
15680       if (letter && letter == controlbutton_info[i].shortcut)
15681         if (!anyTextGadgetActive())
15682           ClickOnGadget(level_editor_gadget[i], button);
15683
15684   if (draw_with_brush)
15685   {
15686     if (letter == 'x')
15687       FlipBrushX();
15688     else if (letter == 'y')
15689       FlipBrushY();
15690     else if (letter == 'z')
15691       RotateBrush();
15692   }
15693 }
15694
15695 static void HandleLevelEditorIdle_Properties(void)
15696 {
15697   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
15698   int x = editor.settings.element_graphic.x + element_border;
15699   int y = editor.settings.element_graphic.y + element_border;
15700   static DelayCounter action_delay = { 0 };
15701   int i;
15702
15703   action_delay.value = GameFrameDelay;
15704
15705   if (!DelayReached(&action_delay))
15706     return;
15707
15708   for (i = 0; i < ED_NUM_SELECTBOX; i++)
15709   {
15710     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
15711
15712     if (gi->mapped && gi->active && gi->selectbox.open)
15713       return;
15714   }
15715
15716   DrawEditorElementAnimation(SX + x, SY + y);
15717
15718   redraw_mask |= REDRAW_FIELD;
15719
15720   FrameCounter++;       // increase animation frame counter
15721 }
15722
15723 static void HandleLevelEditorIdle_Drawing(void)
15724 {
15725   static boolean last_highlighted = FALSE;
15726   static boolean last_highlighted_similar = FALSE;
15727   boolean highlighted = (GetKeyModState() & KMOD_Alt);
15728   boolean highlighted_similar = (GetKeyModState() & KMOD_Shift);
15729
15730   if (highlighted != last_highlighted ||
15731       (highlighted && highlighted_similar != last_highlighted_similar))
15732   {
15733     DrawAreaElementHighlight(highlighted, highlighted_similar);
15734
15735     redraw_mask |= REDRAW_FIELD;
15736   }
15737
15738   last_highlighted = highlighted;
15739   last_highlighted_similar = highlighted_similar;
15740 }
15741
15742 void HandleLevelEditorIdle(void)
15743 {
15744   if (edit_mode == ED_MODE_PROPERTIES)
15745     HandleLevelEditorIdle_Properties();
15746   else if (edit_mode == ED_MODE_DRAWING)
15747     HandleLevelEditorIdle_Drawing();
15748 }
15749
15750 static void ClearEditorGadgetInfoText(void)
15751 {
15752   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
15753 }
15754
15755 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
15756 {
15757   char infotext[MAX_OUTPUT_LINESIZE + 1];
15758   int max_infotext_len = getMaxInfoTextLength();
15759
15760   if (gi == NULL || strlen(gi->info_text) == 0)
15761     return;
15762
15763   strncpy(infotext, gi->info_text, max_infotext_len);
15764   infotext[max_infotext_len] = '\0';
15765
15766   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
15767   {
15768     int key = controlbutton_info[gi->custom_id].shortcut;
15769
15770     if (key)
15771     {
15772       char shortcut[MAX_OUTPUT_LINESIZE + 1];
15773
15774       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)
15775         sprintf(shortcut, " ('.' or '%c')", key);
15776       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT)
15777         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
15778       else if (gi->custom_id == GADGET_ID_TEST)
15779         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
15780       else if (gi->custom_id == GADGET_ID_UNDO)
15781         sprintf(shortcut, " ('%c/Shift-U')", key);
15782       else if (gi->custom_id == GADGET_ID_ZOOM)
15783         sprintf(shortcut, " ('%c', '0', '-')", key);
15784       else
15785         sprintf(shortcut, " ('%s%c')",
15786                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
15787
15788       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
15789         strcat(infotext, shortcut);
15790     }
15791   }
15792
15793   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, INFOTEXT_FONT);
15794 }
15795
15796 void HandleEditorGadgetInfoText(void *ptr)
15797 {
15798   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
15799
15800   if (game_status != GAME_MODE_EDITOR)
15801     return;
15802
15803   ClearEditorGadgetInfoText();
15804
15805   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
15806     return;
15807
15808   // misuse this function to delete brush cursor, if needed
15809   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
15810     DeleteBrushFromCursor();
15811
15812   PrintEditorGadgetInfoText(gi);
15813 }
15814
15815 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
15816 {
15817   int id = gi->custom_id;
15818   int type_id = gi->custom_type_id;
15819   int sx = gi->event.x;
15820   int sy = gi->event.y;
15821   int lx = sx + level_xpos;
15822   int ly = sy + level_ypos;
15823   int min_sx = 0, min_sy = 0;
15824   int max_sx = gi->drawing.area_xsize - 1;
15825   int max_sy = gi->drawing.area_ysize - 1;
15826   int actual_drawing_function = drawing_function;
15827   int max_infotext_len = getMaxInfoTextLength();
15828   char infotext[MAX_OUTPUT_LINESIZE + 1];
15829
15830   infotext[0] = '\0';           // start with empty info text
15831
15832   // pressed Control key: simulate picking element
15833   if (GetKeyModState() & KMOD_Control)
15834     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
15835
15836   ClearEditorGadgetInfoText();
15837
15838   if (gi->event.type == GD_EVENT_INFO_LEAVING)
15839     return;
15840
15841   // make sure to stay inside drawing area boundaries
15842   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
15843   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
15844
15845   if (id == GADGET_ID_DRAWING_LEVEL)
15846   {
15847     if (button_status)
15848     {
15849       int min_lx = 0, min_ly = 0;
15850       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
15851
15852       // get positions inside level field
15853       lx = sx + level_xpos;
15854       ly = sy + level_ypos;
15855
15856       // make sure to stay inside level field boundaries
15857       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
15858       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
15859
15860       // correct drawing area positions accordingly
15861       sx = lx - level_xpos;
15862       sy = ly - level_ypos;
15863     }
15864
15865     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
15866     {
15867       if (button_status)        // if (gi->state == GD_BUTTON_PRESSED)
15868       {
15869         static int start_lx = 0;
15870         static int start_ly = 0;
15871         char *text;
15872
15873         if (gi->event.type == GD_EVENT_PRESSED)
15874         {
15875           start_lx = lx;
15876           start_ly = ly;
15877         }
15878
15879         switch (actual_drawing_function)
15880         {
15881           case GADGET_ID_SINGLE_ITEMS:
15882             text = "Drawing single items";
15883             break;
15884           case GADGET_ID_CONNECTED_ITEMS:
15885             text = "Drawing connected items";
15886             break;
15887           case GADGET_ID_LINE:
15888             text = "Drawing line";
15889             break;
15890           case GADGET_ID_ARC:
15891             text = "Drawing arc";
15892             break;
15893           case GADGET_ID_TEXT:
15894             text = "Setting text cursor";
15895             break;
15896           case GADGET_ID_RECTANGLE:
15897             text = "Drawing rectangle";
15898             break;
15899           case GADGET_ID_FILLED_BOX:
15900             text = "Drawing filled box";
15901             break;
15902           case GADGET_ID_FLOOD_FILL:
15903             text = "Flood fill";
15904             break;
15905           case GADGET_ID_GRAB_BRUSH:
15906             text = "Grabbing brush";
15907             break;
15908           case GADGET_ID_PICK_ELEMENT:
15909             text = "Picking element";
15910             break;
15911
15912           default:
15913             text = "Drawing position";
15914             break;
15915         }
15916
15917         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
15918           sprintf(infotext, "%s: %d, %d", text, lx, ly);
15919         else
15920           sprintf(infotext, "%s: %d, %d", text,
15921                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
15922       }
15923       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
15924         strncpy(infotext, getElementInfoText(Tile[lx][ly]), max_infotext_len);
15925       else
15926         sprintf(infotext, "Level position: %d, %d", lx, ly);
15927     }
15928
15929     // misuse this function to draw brush cursor, if needed
15930     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
15931     {
15932       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
15933         CopyBrushToCursor(sx, sy);
15934       else
15935         DeleteBrushFromCursor();
15936     }
15937
15938     if (!draw_with_brush)
15939       UpdateBrushPosition(sx, sy);
15940   }
15941   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
15942   {
15943     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
15944     int element = drawingarea_info[type_id].value[pos];
15945
15946     strncpy(infotext, getElementInfoText(element), max_infotext_len);
15947   }
15948   else
15949   {
15950     if (id == GADGET_ID_CUSTOM_CONTENT)
15951       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
15952     else if (id == GADGET_ID_GROUP_CONTENT)
15953       sprintf(infotext, "group element position: %d", sx + 1);
15954     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
15955              id <= GADGET_ID_YAMYAM_CONTENT_7)
15956       sprintf(infotext, "content area %d position: %d, %d",
15957               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
15958     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
15959              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
15960       sprintf(infotext, "content area %d position: %d, %d",
15961               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
15962     else if (id == GADGET_ID_ANDROID_CONTENT)
15963       sprintf(infotext, "android element position: %d", sx + 1);
15964     else if (drawingarea_info[type_id].infotext != NULL)
15965       strcpy(infotext, drawingarea_info[type_id].infotext);
15966   }
15967
15968   infotext[max_infotext_len] = '\0';
15969
15970   if (strlen(infotext) > 0)
15971     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT, infotext);
15972 }
15973
15974 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
15975                             boolean quick_quit)
15976 {
15977   if (!ask_if_level_has_changed ||
15978       !LevelChanged() ||
15979       Request("Level has changed! Exit without saving?",
15980               REQ_ASK | REQ_STAY_OPEN))
15981   {
15982     struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
15983     struct RectWithBorder *vp_door_2 = &viewport.door_2[GAME_MODE_MAIN];
15984
15985     // draw normal door
15986     UndrawSpecialEditorDoor();
15987
15988     // use door animation if door 1 viewport is unchanged and contains toolbox
15989     if (useEditorDoorAnimation())
15990       CloseDoor(DOOR_CLOSE_1 | DOOR_FORCE_ANIM);
15991
15992     // close editor doors if viewport definition is the same as in main menu
15993     if (vp_door_1->x      == DX     &&
15994         vp_door_1->y      == DY     &&
15995         vp_door_1->width  == DXSIZE &&
15996         vp_door_1->height == DYSIZE &&
15997         vp_door_2->x      == VX     &&
15998         vp_door_2->y      == VY     &&
15999         vp_door_2->width  == VXSIZE &&
16000         vp_door_2->height == VYSIZE)
16001       CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
16002     else
16003       SetDoorState(DOOR_CLOSE_ALL);
16004
16005     BackToFront();
16006
16007     if (quick_quit)
16008       FadeSkipNextFadeIn();
16009
16010     SetGameStatus(GAME_MODE_MAIN);
16011
16012     DrawMainMenu();
16013   }
16014   else
16015   {
16016     if (!global.use_envelope_request)
16017     {
16018       CloseDoor(DOOR_CLOSE_1);
16019       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
16020     }
16021   }
16022 }