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_BD_PUSHING_PROB_DOWN,
 445   GADGET_ID_BD_PUSHING_PROB_TEXT,
 446   GADGET_ID_BD_PUSHING_PROB_UP,
 447   GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_DOWN,
 448   GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_TEXT,
 449   GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_UP,
 450   GADGET_ID_ELEMENT_VALUE1_DOWN,
 451   GADGET_ID_ELEMENT_VALUE1_TEXT,
 452   GADGET_ID_ELEMENT_VALUE1_UP,
 453   GADGET_ID_ELEMENT_VALUE2_DOWN,
 454   GADGET_ID_ELEMENT_VALUE2_TEXT,
 455   GADGET_ID_ELEMENT_VALUE2_UP,
 456   GADGET_ID_ELEMENT_VALUE3_DOWN,
 457   GADGET_ID_ELEMENT_VALUE3_TEXT,
 458   GADGET_ID_ELEMENT_VALUE3_UP,
 459   GADGET_ID_ELEMENT_VALUE4_DOWN,
 460   GADGET_ID_ELEMENT_VALUE4_TEXT,
 461   GADGET_ID_ELEMENT_VALUE4_UP,
 462   GADGET_ID_YAMYAM_CONTENT_DOWN,
 463   GADGET_ID_YAMYAM_CONTENT_TEXT,
 464   GADGET_ID_YAMYAM_CONTENT_UP,
 465   GADGET_ID_BALL_CONTENT_DOWN,
 466   GADGET_ID_BALL_CONTENT_TEXT,
 467   GADGET_ID_BALL_CONTENT_UP,
 468   GADGET_ID_ANDROID_CONTENT_DOWN,
 469   GADGET_ID_ANDROID_CONTENT_TEXT,
 470   GADGET_ID_ANDROID_CONTENT_UP,
 471   GADGET_ID_ENVELOPE_XSIZE_DOWN,
 472   GADGET_ID_ENVELOPE_XSIZE_TEXT,
 473   GADGET_ID_ENVELOPE_XSIZE_UP,
 474   GADGET_ID_ENVELOPE_YSIZE_DOWN,
 475   GADGET_ID_ENVELOPE_YSIZE_TEXT,
 476   GADGET_ID_ENVELOPE_YSIZE_UP,
 477   GADGET_ID_INVENTORY_SIZE_DOWN,
 478   GADGET_ID_INVENTORY_SIZE_TEXT,
 479   GADGET_ID_INVENTORY_SIZE_UP,
 480   GADGET_ID_MM_BALL_CONTENT_DOWN,
 481   GADGET_ID_MM_BALL_CONTENT_TEXT,
 482   GADGET_ID_MM_BALL_CONTENT_UP,
 483   GADGET_ID_CUSTOM_SCORE_DOWN,
 484   GADGET_ID_CUSTOM_SCORE_TEXT,
 485   GADGET_ID_CUSTOM_SCORE_UP,
 486   GADGET_ID_CUSTOM_GEMCOUNT_DOWN,
 487   GADGET_ID_CUSTOM_GEMCOUNT_TEXT,
 488   GADGET_ID_CUSTOM_GEMCOUNT_UP,
 489   GADGET_ID_CUSTOM_VALUE_FIX_DOWN,
 490   GADGET_ID_CUSTOM_VALUE_FIX_TEXT,
 491   GADGET_ID_CUSTOM_VALUE_FIX_UP,
 492   GADGET_ID_CUSTOM_VALUE_RND_DOWN,
 493   GADGET_ID_CUSTOM_VALUE_RND_TEXT,
 494   GADGET_ID_CUSTOM_VALUE_RND_UP,
 495   GADGET_ID_PUSH_DELAY_FIX_DOWN,
 496   GADGET_ID_PUSH_DELAY_FIX_TEXT,
 497   GADGET_ID_PUSH_DELAY_FIX_UP,
 498   GADGET_ID_PUSH_DELAY_RND_DOWN,
 499   GADGET_ID_PUSH_DELAY_RND_TEXT,
 500   GADGET_ID_PUSH_DELAY_RND_UP,
 501   GADGET_ID_DROP_DELAY_FIX_DOWN,
 502   GADGET_ID_DROP_DELAY_FIX_TEXT,
 503   GADGET_ID_DROP_DELAY_FIX_UP,
 504   GADGET_ID_DROP_DELAY_RND_DOWN,
 505   GADGET_ID_DROP_DELAY_RND_TEXT,
 506   GADGET_ID_DROP_DELAY_RND_UP,
 507   GADGET_ID_MOVE_DELAY_FIX_DOWN,
 508   GADGET_ID_MOVE_DELAY_FIX_TEXT,
 509   GADGET_ID_MOVE_DELAY_FIX_UP,
 510   GADGET_ID_MOVE_DELAY_RND_DOWN,
 511   GADGET_ID_MOVE_DELAY_RND_TEXT,
 512   GADGET_ID_MOVE_DELAY_RND_UP,
 513   GADGET_ID_STEP_DELAY_FIX_DOWN,
 514   GADGET_ID_STEP_DELAY_FIX_TEXT,
 515   GADGET_ID_STEP_DELAY_FIX_UP,
 516   GADGET_ID_STEP_DELAY_RND_DOWN,
 517   GADGET_ID_STEP_DELAY_RND_TEXT,
 518   GADGET_ID_STEP_DELAY_RND_UP,
 519   GADGET_ID_EXPLOSION_DELAY_DOWN,
 520   GADGET_ID_EXPLOSION_DELAY_TEXT,
 521   GADGET_ID_EXPLOSION_DELAY_UP,
 522   GADGET_ID_IGNITION_DELAY_DOWN,
 523   GADGET_ID_IGNITION_DELAY_TEXT,
 524   GADGET_ID_IGNITION_DELAY_UP,
 525   GADGET_ID_CHANGE_DELAY_FIX_DOWN,
 526   GADGET_ID_CHANGE_DELAY_FIX_TEXT,
 527   GADGET_ID_CHANGE_DELAY_FIX_UP,
 528   GADGET_ID_CHANGE_DELAY_RND_DOWN,
 529   GADGET_ID_CHANGE_DELAY_RND_TEXT,
 530   GADGET_ID_CHANGE_DELAY_RND_UP,
 531   GADGET_ID_CHANGE_CONT_RND_DOWN,
 532   GADGET_ID_CHANGE_CONT_RND_TEXT,
 533   GADGET_ID_CHANGE_CONT_RND_UP,
 534   GADGET_ID_GROUP_CONTENT_DOWN,
 535   GADGET_ID_GROUP_CONTENT_TEXT,
 536   GADGET_ID_GROUP_CONTENT_UP,
 537
 538   // drawing area identifiers
 539
 540   GADGET_ID_DRAWING_LEVEL,
 541   GADGET_ID_YAMYAM_CONTENT_0,
 542   GADGET_ID_YAMYAM_CONTENT_1,
 543   GADGET_ID_YAMYAM_CONTENT_2,
 544   GADGET_ID_YAMYAM_CONTENT_3,
 545   GADGET_ID_YAMYAM_CONTENT_4,
 546   GADGET_ID_YAMYAM_CONTENT_5,
 547   GADGET_ID_YAMYAM_CONTENT_6,
 548   GADGET_ID_YAMYAM_CONTENT_7,
 549   GADGET_ID_MAGIC_BALL_CONTENT_0,
 550   GADGET_ID_MAGIC_BALL_CONTENT_1,
 551   GADGET_ID_MAGIC_BALL_CONTENT_2,
 552   GADGET_ID_MAGIC_BALL_CONTENT_3,
 553   GADGET_ID_MAGIC_BALL_CONTENT_4,
 554   GADGET_ID_MAGIC_BALL_CONTENT_5,
 555   GADGET_ID_MAGIC_BALL_CONTENT_6,
 556   GADGET_ID_MAGIC_BALL_CONTENT_7,
 557   GADGET_ID_ANDROID_CONTENT,
 558   GADGET_ID_AMOEBA_CONTENT,
 559   GADGET_ID_BD_SNAP_ELEMENT,
 560   GADGET_ID_BD_AMOEBA_CONTENT_TOO_BIG,
 561   GADGET_ID_BD_AMOEBA_CONTENT_ENCLOSED,
 562   GADGET_ID_BD_AMOEBA_2_CONTENT_TOO_BIG,
 563   GADGET_ID_BD_AMOEBA_2_CONTENT_ENCLOSED,
 564   GADGET_ID_BD_AMOEBA_2_CONTENT_EXPLODING,
 565   GADGET_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,
 566   GADGET_ID_BD_ACID_EATS_ELEMENT,
 567   GADGET_ID_BD_ACID_TURNS_TO_ELEMENT,
 568   GADGET_ID_BD_BITER_EATS_ELEMENT,
 569   GADGET_ID_BD_BLADDER_CONVERTS_BY_ELEMENT,
 570   GADGET_ID_START_ELEMENT,
 571   GADGET_ID_ARTWORK_ELEMENT,
 572   GADGET_ID_EXPLOSION_ELEMENT,
 573   GADGET_ID_INVENTORY_CONTENT,
 574   GADGET_ID_MM_BALL_CONTENT,
 575   GADGET_ID_CUSTOM_GRAPHIC,
 576   GADGET_ID_CUSTOM_CONTENT,
 577   GADGET_ID_CUSTOM_MOVE_ENTER,
 578   GADGET_ID_CUSTOM_MOVE_LEAVE,
 579   GADGET_ID_CUSTOM_CHANGE_TARGET,
 580   GADGET_ID_CUSTOM_CHANGE_CONTENT,
 581   GADGET_ID_CUSTOM_CHANGE_TRIGGER,
 582   GADGET_ID_CUSTOM_CHANGE_ACTION,
 583   GADGET_ID_GROUP_CONTENT,
 584   GADGET_ID_RANDOM_BACKGROUND,
 585
 586   // text input identifiers
 587
 588   GADGET_ID_LEVEL_NAME,
 589   GADGET_ID_LEVEL_AUTHOR,
 590   GADGET_ID_LEVELSET_NAME,
 591   GADGET_ID_LEVELSET_AUTHOR,
 592   GADGET_ID_ELEMENT_NAME,
 593
 594   // text area identifiers
 595
 596   GADGET_ID_ENVELOPE_INFO,
 597
 598   // selectbox identifiers
 599
 600   GADGET_ID_TIME_OR_STEPS,
 601   GADGET_ID_TIME_SCORE_BASE,
 602   GADGET_ID_GAME_ENGINE_TYPE,
 603   GADGET_ID_BD_SCHEDULING_TYPE,
 604   GADGET_ID_LEVELSET_SAVE_MODE,
 605   GADGET_ID_WIND_DIRECTION,
 606   GADGET_ID_PLAYER_SPEED,
 607   GADGET_ID_MM_BALL_CHOICE_MODE,
 608   GADGET_ID_CUSTOM_WALK_TO_ACTION,
 609   GADGET_ID_CUSTOM_EXPLOSION_TYPE,
 610   GADGET_ID_CUSTOM_DEADLINESS,
 611   GADGET_ID_CUSTOM_MOVE_PATTERN,
 612   GADGET_ID_CUSTOM_MOVE_DIRECTION,
 613   GADGET_ID_CUSTOM_MOVE_STEPSIZE,
 614   GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
 615   GADGET_ID_CUSTOM_SMASH_TARGETS,
 616   GADGET_ID_CUSTOM_SLIPPERY_TYPE,
 617   GADGET_ID_CUSTOM_ACCESS_TYPE,
 618   GADGET_ID_CUSTOM_ACCESS_LAYER,
 619   GADGET_ID_CUSTOM_ACCESS_PROTECTED,
 620   GADGET_ID_CUSTOM_ACCESS_DIRECTION,
 621   GADGET_ID_CHANGE_TIME_UNITS,
 622   GADGET_ID_CHANGE_DIRECT_ACTION,
 623   GADGET_ID_CHANGE_OTHER_ACTION,
 624   GADGET_ID_CHANGE_SIDE,
 625   GADGET_ID_CHANGE_PLAYER,
 626   GADGET_ID_CHANGE_PAGE,
 627   GADGET_ID_CHANGE_REPLACE_WHEN,
 628   GADGET_ID_ACTION_TYPE,
 629   GADGET_ID_ACTION_MODE,
 630   GADGET_ID_ACTION_ARG,
 631   GADGET_ID_SELECT_CHANGE_PAGE,
 632   GADGET_ID_GROUP_CHOICE_MODE,
 633
 634   // textbutton identifiers
 635
 636   GADGET_ID_LEVELCONFIG_LEVEL,
 637   GADGET_ID_LEVELCONFIG_LEVELSET,
 638   GADGET_ID_LEVELCONFIG_EDITOR,
 639   GADGET_ID_LEVELCONFIG_ENGINE,
 640   GADGET_ID_PROPERTIES_INFO,
 641   GADGET_ID_PROPERTIES_CONFIG,
 642   GADGET_ID_PROPERTIES_CONFIG_1,
 643   GADGET_ID_PROPERTIES_CONFIG_2,
 644   GADGET_ID_PROPERTIES_CHANGE,
 645   GADGET_ID_SAVE_AS_TEMPLATE_1,
 646   GADGET_ID_SAVE_AS_TEMPLATE_2,
 647   GADGET_ID_SAVE_LEVELSET,
 648   GADGET_ID_ADD_CHANGE_PAGE,
 649   GADGET_ID_DEL_CHANGE_PAGE,
 650
 651   // graphicbutton identifiers
 652
 653   GADGET_ID_PREV_CHANGE_PAGE,
 654   GADGET_ID_NEXT_CHANGE_PAGE,
 655   GADGET_ID_COPY_CHANGE_PAGE,
 656   GADGET_ID_PASTE_CHANGE_PAGE,
 657
 658   // gadgets for scrolling of drawing area
 659
 660   GADGET_ID_SCROLL_UP,
 661   GADGET_ID_SCROLL_DOWN,
 662   GADGET_ID_SCROLL_LEFT,
 663   GADGET_ID_SCROLL_RIGHT,
 664   GADGET_ID_SCROLL_HORIZONTAL,
 665   GADGET_ID_SCROLL_VERTICAL,
 666
 667   // gadgets for scrolling element list
 668
 669   GADGET_ID_SCROLL_LIST_UP,
 670   GADGET_ID_SCROLL_LIST_DOWN,
 671   GADGET_ID_SCROLL_LIST_VERTICAL,
 672
 673   // checkbuttons/radiobuttons for level/element properties
 674
 675   GADGET_ID_AUTO_COUNT_GEMS,
 676   GADGET_ID_RATE_TIME_OVER_SCORE,
 677   GADGET_ID_USE_LEVELSET_ARTWORK,
 678   GADGET_ID_COPY_LEVEL_TEMPLATE,
 679   GADGET_ID_RANDOM_PERCENTAGE,
 680   GADGET_ID_RANDOM_QUANTITY,
 681   GADGET_ID_RANDOM_RESTRICTED,
 682   GADGET_ID_BD_INTERMISSION,
 683   GADGET_ID_BD_PAL_TIMING,
 684   GADGET_ID_BD_LINE_SHIFTING_BORDERS,
 685   GADGET_ID_BD_SCAN_FIRST_AND_LAST_ROW,
 686   GADGET_ID_BD_SHORT_EXPLOSIONS,
 687   GADGET_ID_BD_GRAVITY_AFFECTS_ALL,
 688   GADGET_ID_STICK_ELEMENT,
 689   GADGET_ID_EM_SLIPPERY_GEMS,
 690   GADGET_ID_EM_EXPLODES_BY_FIRE,
 691   GADGET_ID_USE_SPRING_BUG,
 692   GADGET_ID_USE_TIME_ORB_BUG,
 693   GADGET_ID_USE_LIFE_BUGS,
 694   GADGET_ID_RANDOM_BALL_CONTENT,
 695   GADGET_ID_INITIAL_BALL_ACTIVE,
 696   GADGET_ID_GROW_INTO_DIGGABLE,
 697   GADGET_ID_SB_FIELDS_NEEDED,
 698   GADGET_ID_SB_OBJECTS_NEEDED,
 699   GADGET_ID_AUTO_EXIT_SOKOBAN,
 700   GADGET_ID_SOLVED_BY_ONE_PLAYER,
 701   GADGET_ID_FINISH_DIG_COLLECT,
 702   GADGET_ID_KEEP_WALKABLE_CE,
 703   GADGET_ID_CONTINUOUS_SNAPPING,
 704   GADGET_ID_BLOCK_SNAP_FIELD,
 705   GADGET_ID_BLOCK_LAST_FIELD,
 706   GADGET_ID_SP_BLOCK_LAST_FIELD,
 707   GADGET_ID_INSTANT_RELOCATION,
 708   GADGET_ID_SHIFTED_RELOCATION,
 709   GADGET_ID_LAZY_RELOCATION,
 710   GADGET_ID_USE_START_ELEMENT,
 711   GADGET_ID_USE_ARTWORK_ELEMENT,
 712   GADGET_ID_USE_EXPLOSION_ELEMENT,
 713   GADGET_ID_INITIAL_GRAVITY,
 714   GADGET_ID_USE_INITIAL_INVENTORY,
 715   GADGET_ID_CAN_PASS_TO_WALKABLE,
 716   GADGET_ID_CAN_FALL_INTO_ACID,
 717   GADGET_ID_CAN_MOVE_INTO_ACID,
 718   GADGET_ID_DONT_COLLIDE_WITH,
 719   GADGET_ID_BD_DIAGONAL_MOVEMENTS,
 720   GADGET_ID_BD_TOPMOST_PLAYER_ACTIVE,
 721   GADGET_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,
 722   GADGET_ID_BD_MAGIC_WALL_WAIT_HATCHING,
 723   GADGET_ID_BD_MAGIC_WALL_STOPS_AMOEBA,
 724   GADGET_ID_BD_AMOEBA_WAIT_FOR_HATCHING,
 725   GADGET_ID_BD_AMOEBA_START_IMMEDIATELY,
 726   GADGET_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,
 727   GADGET_ID_BD_VOODOO_COLLECTS_DIAMONDS,
 728   GADGET_ID_BD_VOODOO_HURT_KILLS_PLAYER,
 729   GADGET_ID_BD_VOODOO_DIES_BY_ROCK,
 730   GADGET_ID_BD_VOODOO_VANISH_BY_EXPLOSION,
 731   GADGET_ID_BD_SLIME_IS_PREDICTABLE,
 732   GADGET_ID_BD_CHANGE_EXPANDING_WALL,
 733   GADGET_ID_ENVELOPE_AUTOWRAP,
 734   GADGET_ID_ENVELOPE_CENTERED,
 735   GADGET_ID_MM_LASER_RED,
 736   GADGET_ID_MM_LASER_GREEN,
 737   GADGET_ID_MM_LASER_BLUE,
 738   GADGET_ID_DF_LASER_RED,
 739   GADGET_ID_DF_LASER_GREEN,
 740   GADGET_ID_DF_LASER_BLUE,
 741   GADGET_ID_ROTATE_MM_BALL_CONTENT,
 742   GADGET_ID_EXPLODE_MM_BALL,
 743   GADGET_ID_CUSTOM_INDESTRUCTIBLE,
 744   GADGET_ID_CUSTOM_CAN_EXPLODE,
 745   GADGET_ID_CUSTOM_EXPLODE_FIRE,
 746   GADGET_ID_CUSTOM_EXPLODE_SMASH,
 747   GADGET_ID_CUSTOM_EXPLODE_IMPACT,
 748   GADGET_ID_CUSTOM_WALK_TO_OBJECT,
 749   GADGET_ID_CUSTOM_DEADLY,
 750   GADGET_ID_CUSTOM_CAN_MOVE,
 751   GADGET_ID_CUSTOM_CAN_FALL,
 752   GADGET_ID_CUSTOM_CAN_SMASH,
 753   GADGET_ID_CUSTOM_SLIPPERY,
 754   GADGET_ID_CUSTOM_ACCESSIBLE,
 755   GADGET_ID_CUSTOM_GRAV_REACHABLE,
 756   GADGET_ID_CUSTOM_USE_LAST_VALUE,
 757   GADGET_ID_CUSTOM_USE_GRAPHIC,
 758   GADGET_ID_CUSTOM_USE_TEMPLATE_1,
 759   GADGET_ID_CUSTOM_USE_TEMPLATE_2,
 760   GADGET_ID_CUSTOM_USE_TEMPLATE_3,
 761   GADGET_ID_CUSTOM_CAN_CHANGE,
 762   GADGET_ID_CHANGE_USE_CONTENT,
 763   GADGET_ID_CHANGE_USE_EXPLOSION,
 764   GADGET_ID_CHANGE_ONLY_COMPLETE,
 765   GADGET_ID_CHANGE_USE_RANDOM,
 766   GADGET_ID_CHANGE_HAS_ACTION,
 767   GADGET_ID_CHANGE_DELAY,
 768   GADGET_ID_CHANGE_BY_DIRECT_ACT,
 769   GADGET_ID_CHANGE_BY_OTHER_ACT,
 770
 771   NUM_STATIC_GADGET_IDS
 772 };
 773
 774 // gadgets for buttons in element list (dynamic)
 775 #define GADGET_ID_ELEMENTLIST_FIRST     (NUM_STATIC_GADGET_IDS)
 776 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 777                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 778
 779 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 780
 781 // radio button numbers
 782 enum
 783 {
 784   RADIO_NR_NONE,
 785   RADIO_NR_DRAWING_TOOLBOX,
 786   RADIO_NR_RANDOM_ELEMENTS
 787 };
 788
 789 // values for counter gadgets
 790 enum
 791 {
 792   ED_COUNTER_ID_SELECT_LEVEL,
 793   ED_COUNTER_ID_LEVEL_XSIZE,
 794   ED_COUNTER_ID_LEVEL_YSIZE,
 795   ED_COUNTER_ID_LEVEL_GEMSLIMIT,
 796   ED_COUNTER_ID_LEVEL_TIMELIMIT,
 797   ED_COUNTER_ID_LEVEL_TIMESCORE,
 798   ED_COUNTER_ID_LEVEL_RANDOM_SEED,
 799   ED_COUNTER_ID_LEVELSET_NUM_LEVELS,
 800   ED_COUNTER_ID_LEVEL_RANDOM,
 801   ED_COUNTER_ID_BD_CYCLE_DELAY_MS,
 802   ED_COUNTER_ID_BD_CYCLE_DELAY_C64,
 803   ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES,
 804   ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS,
 805   ED_COUNTER_ID_BD_PUSHING_PROB,
 806   ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET,
 807   ED_COUNTER_ID_ELEMENT_VALUE1,
 808   ED_COUNTER_ID_ELEMENT_VALUE2,
 809   ED_COUNTER_ID_ELEMENT_VALUE3,
 810   ED_COUNTER_ID_ELEMENT_VALUE4,
 811   ED_COUNTER_ID_YAMYAM_CONTENT,
 812   ED_COUNTER_ID_BALL_CONTENT,
 813   ED_COUNTER_ID_ANDROID_CONTENT,
 814   ED_COUNTER_ID_ENVELOPE_XSIZE,
 815   ED_COUNTER_ID_ENVELOPE_YSIZE,
 816   ED_COUNTER_ID_INVENTORY_SIZE,
 817   ED_COUNTER_ID_MM_BALL_CONTENT,
 818   ED_COUNTER_ID_CUSTOM_SCORE,
 819   ED_COUNTER_ID_CUSTOM_GEMCOUNT,
 820   ED_COUNTER_ID_CUSTOM_VALUE_FIX,
 821   ED_COUNTER_ID_CUSTOM_VALUE_RND,
 822   ED_COUNTER_ID_PUSH_DELAY_FIX,
 823   ED_COUNTER_ID_PUSH_DELAY_RND,
 824   ED_COUNTER_ID_DROP_DELAY_FIX,
 825   ED_COUNTER_ID_DROP_DELAY_RND,
 826   ED_COUNTER_ID_MOVE_DELAY_FIX,
 827   ED_COUNTER_ID_MOVE_DELAY_RND,
 828   ED_COUNTER_ID_STEP_DELAY_FIX,
 829   ED_COUNTER_ID_STEP_DELAY_RND,
 830   ED_COUNTER_ID_EXPLOSION_DELAY,
 831   ED_COUNTER_ID_IGNITION_DELAY,
 832   ED_COUNTER_ID_GROUP_CONTENT,
 833   ED_COUNTER_ID_CHANGE_DELAY_FIX,
 834   ED_COUNTER_ID_CHANGE_DELAY_RND,
 835   ED_COUNTER_ID_CHANGE_CONT_RND,
 836
 837   ED_NUM_COUNTERBUTTONS
 838 };
 839
 840 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 841 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM_SEED
 842 #define ED_COUNTER_ID_LEVELSET_FIRST    ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 843 #define ED_COUNTER_ID_LEVELSET_LAST     ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 844 #define ED_COUNTER_ID_EDITOR_FIRST      ED_COUNTER_ID_LEVEL_RANDOM
 845 #define ED_COUNTER_ID_EDITOR_LAST       ED_COUNTER_ID_LEVEL_RANDOM
 846
 847 #define ED_COUNTER_ID_CUSTOM1_FIRST     ED_COUNTER_ID_CUSTOM_SCORE
 848 #define ED_COUNTER_ID_CUSTOM1_LAST      ED_COUNTER_ID_DROP_DELAY_RND
 849 #define ED_COUNTER_ID_CUSTOM2_FIRST     ED_COUNTER_ID_MOVE_DELAY_FIX
 850 #define ED_COUNTER_ID_CUSTOM2_LAST      ED_COUNTER_ID_IGNITION_DELAY
 851 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM1_FIRST
 852 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_CUSTOM2_LAST
 853
 854 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 855 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 856
 857 // values for scrollbutton gadgets
 858 enum
 859 {
 860   ED_SCROLLBUTTON_ID_AREA_UP,
 861   ED_SCROLLBUTTON_ID_AREA_DOWN,
 862   ED_SCROLLBUTTON_ID_AREA_LEFT,
 863   ED_SCROLLBUTTON_ID_AREA_RIGHT,
 864   ED_SCROLLBUTTON_ID_LIST_UP,
 865   ED_SCROLLBUTTON_ID_LIST_DOWN,
 866
 867   ED_NUM_SCROLLBUTTONS
 868 };
 869
 870 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 871 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 872
 873 // values for scrollbar gadgets
 874 enum
 875 {
 876   ED_SCROLLBAR_ID_AREA_HORIZONTAL,
 877   ED_SCROLLBAR_ID_AREA_VERTICAL,
 878   ED_SCROLLBAR_ID_LIST_VERTICAL,
 879
 880   ED_NUM_SCROLLBARS
 881 };
 882
 883 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 884 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 885
 886 // values for text input gadgets
 887 enum
 888 {
 889   ED_TEXTINPUT_ID_LEVEL_NAME,
 890   ED_TEXTINPUT_ID_LEVEL_AUTHOR,
 891   ED_TEXTINPUT_ID_LEVELSET_NAME,
 892   ED_TEXTINPUT_ID_LEVELSET_AUTHOR,
 893   ED_TEXTINPUT_ID_ELEMENT_NAME,
 894
 895   ED_NUM_TEXTINPUT
 896 };
 897
 898 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 899 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 900
 901 #define ED_TEXTINPUT_ID_LEVELSET_FIRST  ED_TEXTINPUT_ID_LEVELSET_NAME
 902 #define ED_TEXTINPUT_ID_LEVELSET_LAST   ED_TEXTINPUT_ID_LEVELSET_AUTHOR
 903
 904 // values for text area gadgets
 905 enum
 906 {
 907   ED_TEXTAREA_ID_ENVELOPE_INFO,
 908
 909   ED_NUM_TEXTAREAS
 910 };
 911
 912 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
 913 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
 914
 915 // values for selectbox gadgets
 916 enum
 917 {
 918   ED_SELECTBOX_ID_TIME_OR_STEPS,
 919   ED_SELECTBOX_ID_TIME_SCORE_BASE,
 920   ED_SELECTBOX_ID_GAME_ENGINE_TYPE,
 921   ED_SELECTBOX_ID_BD_SCHEDULING_TYPE,
 922   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE,
 923   ED_SELECTBOX_ID_WIND_DIRECTION,
 924   ED_SELECTBOX_ID_PLAYER_SPEED,
 925   ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE,
 926   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE,
 927   ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER,
 928   ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED,
 929   ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION,
 930   ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION,
 931   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN,
 932   ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION,
 933   ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE,
 934   ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE,
 935   ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS,
 936   ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE,
 937   ED_SELECTBOX_ID_CUSTOM_DEADLINESS,
 938   ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE,
 939   ED_SELECTBOX_ID_CHANGE_TIME_UNITS,
 940   ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION,
 941   ED_SELECTBOX_ID_CHANGE_OTHER_ACTION,
 942   ED_SELECTBOX_ID_CHANGE_SIDE,
 943   ED_SELECTBOX_ID_CHANGE_PLAYER,
 944   ED_SELECTBOX_ID_CHANGE_PAGE,
 945   ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN,
 946   ED_SELECTBOX_ID_ACTION_TYPE,
 947   ED_SELECTBOX_ID_ACTION_MODE,
 948   ED_SELECTBOX_ID_ACTION_ARG,
 949   ED_SELECTBOX_ID_SELECT_CHANGE_PAGE,
 950   ED_SELECTBOX_ID_GROUP_CHOICE_MODE,
 951
 952   ED_NUM_SELECTBOX
 953 };
 954
 955 #define ED_SELECTBOX_ID_LEVEL_FIRST     ED_SELECTBOX_ID_TIME_OR_STEPS
 956 #define ED_SELECTBOX_ID_LEVEL_LAST      ED_SELECTBOX_ID_GAME_ENGINE_TYPE
 957
 958 #define ED_SELECTBOX_ID_LEVELSET_FIRST  ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 959 #define ED_SELECTBOX_ID_LEVELSET_LAST   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 960
 961 #define ED_SELECTBOX_ID_ENGINE_FIRST    ED_SELECTBOX_ID_BD_SCHEDULING_TYPE
 962 #define ED_SELECTBOX_ID_ENGINE_LAST     ED_SELECTBOX_ID_BD_SCHEDULING_TYPE
 963
 964 #define ED_SELECTBOX_ID_CUSTOM1_FIRST   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
 965 #define ED_SELECTBOX_ID_CUSTOM1_LAST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
 966 #define ED_SELECTBOX_ID_CUSTOM2_FIRST   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN
 967 #define ED_SELECTBOX_ID_CUSTOM2_LAST    ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE
 968 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM1_FIRST
 969 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM2_LAST
 970
 971 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 972 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
 973
 974 // values for textbutton gadgets
 975 enum
 976 {
 977   ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL,
 978   ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET,
 979   ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR,
 980   ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE,
 981   ED_TEXTBUTTON_ID_PROPERTIES_INFO,
 982   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG,
 983   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1,
 984   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2,
 985   ED_TEXTBUTTON_ID_PROPERTIES_CHANGE,
 986   ED_TEXTBUTTON_ID_SAVE_LEVELSET,
 987   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2,
 988   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1,
 989   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE,
 990   ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE,
 991
 992   ED_NUM_TEXTBUTTONS
 993 };
 994
 995 #define ED_TAB_BUTTON_ID_LEVELCONFIG_FIRST ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL
 996 #define ED_TAB_BUTTON_ID_LEVELCONFIG_LAST  ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE
 997
 998 #define ED_TAB_BUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
 999 #define ED_TAB_BUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
1000
1001 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE
1002 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
1003
1004 // values for graphicbutton gadgets
1005 enum
1006 {
1007   ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE,
1008   ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE,
1009   ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE,
1010   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE,
1011
1012   ED_NUM_GRAPHICBUTTONS
1013 };
1014
1015 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST  ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
1016 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE
1017
1018 // values for checkbutton gadgets
1019 enum
1020 {
1021   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS,
1022   ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE,
1023   ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK,
1024   ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE,
1025   ED_CHECKBUTTON_ID_RANDOM_RESTRICTED,
1026   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3,
1027   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2,
1028   ED_CHECKBUTTON_ID_BD_INTERMISSION,
1029   ED_CHECKBUTTON_ID_BD_PAL_TIMING,
1030   ED_CHECKBUTTON_ID_BD_LINE_SHIFTING_BORDERS,
1031   ED_CHECKBUTTON_ID_BD_SCAN_FIRST_AND_LAST_ROW,
1032   ED_CHECKBUTTON_ID_BD_SHORT_EXPLOSIONS,
1033   ED_CHECKBUTTON_ID_BD_GRAVITY_AFFECTS_ALL,
1034   ED_CHECKBUTTON_ID_STICK_ELEMENT,
1035   ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS,
1036   ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE,
1037   ED_CHECKBUTTON_ID_USE_SPRING_BUG,
1038   ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG,
1039   ED_CHECKBUTTON_ID_USE_LIFE_BUGS,
1040   ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT,
1041   ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE,
1042   ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE,
1043   ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED,
1044   ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED,
1045   ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN,
1046   ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER,
1047   ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT,
1048   ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE,
1049   ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING,
1050   ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD,
1051   ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD,
1052   ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD,
1053   ED_CHECKBUTTON_ID_INSTANT_RELOCATION,
1054   ED_CHECKBUTTON_ID_SHIFTED_RELOCATION,
1055   ED_CHECKBUTTON_ID_LAZY_RELOCATION,
1056   ED_CHECKBUTTON_ID_USE_START_ELEMENT,
1057   ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT,
1058   ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT,
1059   ED_CHECKBUTTON_ID_INITIAL_GRAVITY,
1060   ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY,
1061   ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE,
1062   ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID,
1063   ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID,
1064   ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH,
1065   ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS,
1066   ED_CHECKBUTTON_ID_BD_TOPMOST_PLAYER_ACTIVE,
1067   ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,
1068   ED_CHECKBUTTON_ID_BD_MAGIC_WALL_WAIT_HATCHING,
1069   ED_CHECKBUTTON_ID_BD_MAGIC_WALL_STOPS_AMOEBA,
1070   ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING,
1071   ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY,
1072   ED_CHECKBUTTON_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,
1073   ED_CHECKBUTTON_ID_BD_VOODOO_COLLECTS_DIAMONDS,
1074   ED_CHECKBUTTON_ID_BD_VOODOO_HURT_KILLS_PLAYER,
1075   ED_CHECKBUTTON_ID_BD_VOODOO_DIES_BY_ROCK,
1076   ED_CHECKBUTTON_ID_BD_VOODOO_VANISH_BY_EXPLOSION,
1077   ED_CHECKBUTTON_ID_BD_SLIME_IS_PREDICTABLE,
1078   ED_CHECKBUTTON_ID_BD_CHANGE_EXPANDING_WALL,
1079   ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP,
1080   ED_CHECKBUTTON_ID_ENVELOPE_CENTERED,
1081   ED_CHECKBUTTON_ID_MM_LASER_RED,
1082   ED_CHECKBUTTON_ID_MM_LASER_GREEN,
1083   ED_CHECKBUTTON_ID_MM_LASER_BLUE,
1084   ED_CHECKBUTTON_ID_DF_LASER_RED,
1085   ED_CHECKBUTTON_ID_DF_LASER_GREEN,
1086   ED_CHECKBUTTON_ID_DF_LASER_BLUE,
1087   ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT,
1088   ED_CHECKBUTTON_ID_EXPLODE_MM_BALL,
1089   ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC,
1090   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1,
1091   ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE,
1092   ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE,
1093   ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE,
1094   ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT,
1095   ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE,
1096   ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE,
1097   ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL,
1098   ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH,
1099   ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY,
1100   ED_CHECKBUTTON_ID_CUSTOM_DEADLY,
1101   ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE,
1102   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE,
1103   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH,
1104   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT,
1105   ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE,
1106   ED_CHECKBUTTON_ID_CHANGE_DELAY,
1107   ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT,
1108   ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT,
1109   ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION,
1110   ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT,
1111   ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE,
1112   ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM,
1113   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION,
1114
1115   ED_NUM_CHECKBUTTONS
1116 };
1117
1118 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS
1119 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE
1120
1121 #define ED_CHECKBUTTON_ID_LEVELSET_FIRST ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK
1122 #define ED_CHECKBUTTON_ID_LEVELSET_LAST  ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE
1123
1124 #define ED_CHECKBUTTON_ID_EDITOR_FIRST  ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
1125 #define ED_CHECKBUTTON_ID_EDITOR_LAST   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2
1126
1127 #define ED_CHECKBUTTON_ID_ENGINE_FIRST  ED_CHECKBUTTON_ID_BD_INTERMISSION
1128 #define ED_CHECKBUTTON_ID_ENGINE_LAST   ED_CHECKBUTTON_ID_BD_GRAVITY_AFFECTS_ALL
1129
1130 #define ED_CHECKBUTTON_ID_CUSTOM1_FIRST ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
1131 #define ED_CHECKBUTTON_ID_CUSTOM1_LAST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
1132 #define ED_CHECKBUTTON_ID_CUSTOM2_FIRST ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE
1133 #define ED_CHECKBUTTON_ID_CUSTOM2_LAST  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
1134 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM1_FIRST
1135 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM2_LAST
1136
1137 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE
1138 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION
1139
1140 // values for radiobutton gadgets
1141 enum
1142 {
1143   ED_RADIOBUTTON_ID_PERCENTAGE,
1144   ED_RADIOBUTTON_ID_QUANTITY,
1145
1146   ED_NUM_RADIOBUTTONS
1147 };
1148
1149 #define ED_RADIOBUTTON_ID_EDITOR_FIRST  ED_RADIOBUTTON_ID_PERCENTAGE
1150 #define ED_RADIOBUTTON_ID_EDITOR_LAST   ED_RADIOBUTTON_ID_QUANTITY
1151
1152 // values for drawing area gadgets
1153 enum
1154 {
1155   ED_DRAWING_ID_DRAWING_LEVEL,
1156   ED_DRAWING_ID_YAMYAM_CONTENT_0,
1157   ED_DRAWING_ID_YAMYAM_CONTENT_1,
1158   ED_DRAWING_ID_YAMYAM_CONTENT_2,
1159   ED_DRAWING_ID_YAMYAM_CONTENT_3,
1160   ED_DRAWING_ID_YAMYAM_CONTENT_4,
1161   ED_DRAWING_ID_YAMYAM_CONTENT_5,
1162   ED_DRAWING_ID_YAMYAM_CONTENT_6,
1163   ED_DRAWING_ID_YAMYAM_CONTENT_7,
1164   ED_DRAWING_ID_MAGIC_BALL_CONTENT_0,
1165   ED_DRAWING_ID_MAGIC_BALL_CONTENT_1,
1166   ED_DRAWING_ID_MAGIC_BALL_CONTENT_2,
1167   ED_DRAWING_ID_MAGIC_BALL_CONTENT_3,
1168   ED_DRAWING_ID_MAGIC_BALL_CONTENT_4,
1169   ED_DRAWING_ID_MAGIC_BALL_CONTENT_5,
1170   ED_DRAWING_ID_MAGIC_BALL_CONTENT_6,
1171   ED_DRAWING_ID_MAGIC_BALL_CONTENT_7,
1172   ED_DRAWING_ID_ANDROID_CONTENT,
1173   ED_DRAWING_ID_AMOEBA_CONTENT,
1174   ED_DRAWING_ID_BD_SNAP_ELEMENT,
1175   ED_DRAWING_ID_BD_AMOEBA_CONTENT_TOO_BIG,
1176   ED_DRAWING_ID_BD_AMOEBA_CONTENT_ENCLOSED,
1177   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_TOO_BIG,
1178   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_ENCLOSED,
1179   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_EXPLODING,
1180   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,
1181   ED_DRAWING_ID_BD_ACID_EATS_ELEMENT,
1182   ED_DRAWING_ID_BD_ACID_TURNS_TO_ELEMENT,
1183   ED_DRAWING_ID_BD_BITER_EATS_ELEMENT,
1184   ED_DRAWING_ID_BD_BLADDER_CONVERTS_BY_ELEMENT,
1185   ED_DRAWING_ID_START_ELEMENT,
1186   ED_DRAWING_ID_ARTWORK_ELEMENT,
1187   ED_DRAWING_ID_EXPLOSION_ELEMENT,
1188   ED_DRAWING_ID_INVENTORY_CONTENT,
1189   ED_DRAWING_ID_MM_BALL_CONTENT,
1190   ED_DRAWING_ID_CUSTOM_GRAPHIC,
1191   ED_DRAWING_ID_CUSTOM_CONTENT,
1192   ED_DRAWING_ID_CUSTOM_MOVE_ENTER,
1193   ED_DRAWING_ID_CUSTOM_MOVE_LEAVE,
1194   ED_DRAWING_ID_CUSTOM_CHANGE_TARGET,
1195   ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT,
1196   ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER,
1197   ED_DRAWING_ID_CUSTOM_CHANGE_ACTION,
1198   ED_DRAWING_ID_GROUP_CONTENT,
1199   ED_DRAWING_ID_RANDOM_BACKGROUND,
1200
1201   ED_NUM_DRAWING_AREAS
1202 };
1203
1204 #define ED_DRAWING_ID_EDITOR_FIRST      ED_DRAWING_ID_RANDOM_BACKGROUND
1205 #define ED_DRAWING_ID_EDITOR_LAST       ED_DRAWING_ID_RANDOM_BACKGROUND
1206
1207
1208 // ----------------------------------------------------------------------------
1209 // some internally used definitions
1210 // ----------------------------------------------------------------------------
1211
1212 // values for CopyLevelToUndoBuffer()
1213 #define UNDO_IMMEDIATE                  0
1214 #define UNDO_ACCUMULATE                 1
1215
1216 // values for scrollbars
1217 #define ED_SCROLL_NO                    0
1218 #define ED_SCROLL_LEFT                  1
1219 #define ED_SCROLL_RIGHT                 2
1220 #define ED_SCROLL_UP                    4
1221 #define ED_SCROLL_DOWN                  8
1222
1223 // screens in the level editor
1224 #define ED_MODE_DRAWING                 0
1225 #define ED_MODE_LEVELCONFIG             1
1226 #define ED_MODE_PROPERTIES              2
1227 #define ED_MODE_PALETTE                 3
1228
1229 // sub-screens in the global settings section
1230 #define ED_MODE_LEVELCONFIG_LEVEL       ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL
1231 #define ED_MODE_LEVELCONFIG_LEVELSET    ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET
1232 #define ED_MODE_LEVELCONFIG_EDITOR      ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR
1233 #define ED_MODE_LEVELCONFIG_ENGINE      ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE
1234
1235 // sub-screens in the element properties section
1236 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
1237 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
1238 #define ED_MODE_PROPERTIES_CONFIG_1     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1
1239 #define ED_MODE_PROPERTIES_CONFIG_2     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2
1240 #define ED_MODE_PROPERTIES_CHANGE       ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
1241
1242 // how many steps can be cancelled
1243 #define NUM_UNDO_STEPS                  (64 + 1)
1244
1245 // values for elements with score for certain actions
1246 #define MIN_SCORE                       0
1247 #define MAX_SCORE                       999
1248
1249 // values for elements with count for collecting
1250 #define MIN_COLLECT_COUNT               0
1251 #define MAX_COLLECT_COUNT               999
1252
1253 // values for random placement
1254 #define RANDOM_USE_PERCENTAGE           0
1255 #define RANDOM_USE_QUANTITY             1
1256
1257 // values for level set save mode
1258 #define LEVELSET_SAVE_MODE_UPDATE       0
1259 #define LEVELSET_SAVE_MODE_CREATE       1
1260
1261 // default value for element tile size in drawing area
1262 #define DEFAULT_EDITOR_TILESIZE         MINI_TILESIZE
1263 #define DEFAULT_EDITOR_TILESIZE_MM      TILESIZE
1264
1265
1266 // ----------------------------------------------------------------------------
1267 // some internally used data structure definitions
1268 // ----------------------------------------------------------------------------
1269
1270 static struct
1271 {
1272   int graphic;
1273   int gadget_id;
1274   struct XYTileSize *pos;
1275   int gadget_type;
1276   char *infotext;
1277   char shortcut;
1278 } controlbutton_info[ED_NUM_CTRL_BUTTONS] =
1279 {
1280   // note: some additional characters are already reserved for "cheat mode"
1281   // shortcuts (":XYZ" style) -- for details, see "events.c"
1282
1283   // ---------- toolbox control buttons ---------------------------------------
1284
1285   {
1286     IMG_GFX_EDITOR_BUTTON_DRAW_SINGLE,          GADGET_ID_SINGLE_ITEMS,
1287     &editor.button.draw_single,                 GD_TYPE_RADIO_BUTTON,
1288     "Draw single items",                        's'
1289   },
1290   {
1291     IMG_GFX_EDITOR_BUTTON_DRAW_CONNECTED,       GADGET_ID_CONNECTED_ITEMS,
1292     &editor.button.draw_connected,              GD_TYPE_RADIO_BUTTON,
1293     "Draw connected items",                     'd'
1294   },
1295   {
1296     IMG_GFX_EDITOR_BUTTON_DRAW_LINE,            GADGET_ID_LINE,
1297     &editor.button.draw_line,                   GD_TYPE_RADIO_BUTTON,
1298     "Draw lines",                               'l'
1299   },
1300   {
1301     IMG_GFX_EDITOR_BUTTON_DRAW_ARC,             GADGET_ID_ARC,
1302     &editor.button.draw_arc,                    GD_TYPE_RADIO_BUTTON,
1303     "Draw arcs",                                'a'
1304   },
1305   {
1306     IMG_GFX_EDITOR_BUTTON_DRAW_RECTANGLE,       GADGET_ID_RECTANGLE,
1307     &editor.button.draw_rectangle,              GD_TYPE_RADIO_BUTTON,
1308     "Draw outline rectangles",                  'r'
1309   },
1310   {
1311     IMG_GFX_EDITOR_BUTTON_DRAW_FILLED_BOX,      GADGET_ID_FILLED_BOX,
1312     &editor.button.draw_filled_box,             GD_TYPE_RADIO_BUTTON,
1313     "Draw filled rectangles",                   'R'
1314   },
1315   {
1316     IMG_GFX_EDITOR_BUTTON_ROTATE_UP,            GADGET_ID_WRAP_UP,
1317     &editor.button.rotate_up,                   GD_TYPE_NORMAL_BUTTON,
1318     "Wrap (rotate) level up",                   0
1319   },
1320   {
1321     IMG_GFX_EDITOR_BUTTON_DRAW_TEXT,            GADGET_ID_TEXT,
1322     &editor.button.draw_text,                   GD_TYPE_RADIO_BUTTON,
1323     "Enter text elements",                      't'
1324   },
1325   {
1326     IMG_GFX_EDITOR_BUTTON_FLOOD_FILL,           GADGET_ID_FLOOD_FILL,
1327     &editor.button.flood_fill,                  GD_TYPE_RADIO_BUTTON,
1328     "Flood fill",                               'f'
1329   },
1330   {
1331     IMG_GFX_EDITOR_BUTTON_ROTATE_LEFT,          GADGET_ID_WRAP_LEFT,
1332     &editor.button.rotate_left,                 GD_TYPE_NORMAL_BUTTON,
1333     "Wrap (rotate) level left",                 0
1334   },
1335   {
1336     IMG_GFX_EDITOR_BUTTON_ZOOM_LEVEL,           GADGET_ID_ZOOM,
1337     &editor.button.zoom_level,                  GD_TYPE_NORMAL_BUTTON,
1338     "Zoom level tile size",                     '+'
1339   },
1340   {
1341     IMG_GFX_EDITOR_BUTTON_ROTATE_RIGHT,         GADGET_ID_WRAP_RIGHT,
1342     &editor.button.rotate_right,                GD_TYPE_NORMAL_BUTTON,
1343     "Wrap (rotate) level right",                0
1344   },
1345   {
1346     IMG_GFX_EDITOR_BUTTON_DRAW_RANDOM,          GADGET_ID_RANDOM_PLACEMENT,
1347     &editor.button.draw_random,                 GD_TYPE_NORMAL_BUTTON,
1348     "Random element placement",                 0
1349   },
1350   {
1351     IMG_GFX_EDITOR_BUTTON_GRAB_BRUSH,           GADGET_ID_GRAB_BRUSH,
1352     &editor.button.grab_brush,                  GD_TYPE_RADIO_BUTTON,
1353     "Grab brush",                               'b'
1354   },
1355   {
1356     IMG_GFX_EDITOR_BUTTON_ROTATE_DOWN,          GADGET_ID_WRAP_DOWN,
1357     &editor.button.rotate_down,                 GD_TYPE_NORMAL_BUTTON,
1358     "Wrap (rotate) level down",                 0
1359   },
1360   {
1361     IMG_GFX_EDITOR_BUTTON_PICK_ELEMENT,         GADGET_ID_PICK_ELEMENT,
1362     &editor.button.pick_element,                GD_TYPE_RADIO_BUTTON,
1363     "Pick drawing element",                     ','
1364   },
1365
1366   // ---------- level control buttons -----------------------------------------
1367
1368   {
1369     IMG_GFX_EDITOR_BUTTON_UNDO,                 GADGET_ID_UNDO,
1370     &editor.button.undo,                        GD_TYPE_NORMAL_BUTTON,
1371     "Undo/redo last operation",                 'u'
1372   },
1373   {
1374     IMG_GFX_EDITOR_BUTTON_CONF,                 GADGET_ID_CONF,
1375     &editor.button.conf,                        GD_TYPE_NORMAL_BUTTON,
1376     "Level and editor settings",                'I'
1377   },
1378   {
1379     IMG_GFX_EDITOR_BUTTON_SAVE,                 GADGET_ID_SAVE,
1380     &editor.button.save,                        GD_TYPE_NORMAL_BUTTON,
1381     "Save level",                               'S'
1382   },
1383   {
1384     IMG_GFX_EDITOR_BUTTON_CLEAR,                GADGET_ID_CLEAR,
1385     &editor.button.clear,                       GD_TYPE_NORMAL_BUTTON,
1386     "Clear level",                              'C'
1387   },
1388   {
1389     IMG_GFX_EDITOR_BUTTON_TEST,                 GADGET_ID_TEST,
1390     &editor.button.test,                        GD_TYPE_NORMAL_BUTTON,
1391     "Test level",                               'T'
1392   },
1393   {
1394     IMG_GFX_EDITOR_BUTTON_EXIT,                 GADGET_ID_EXIT,
1395     &editor.button.exit,                        GD_TYPE_NORMAL_BUTTON,
1396     "Exit level editor",                        'E'
1397   },
1398
1399   // ---------- CE and GE control buttons -------------------------------------
1400
1401   {
1402     IMG_GFX_EDITOR_BUTTON_CE_COPY_FROM,         GADGET_ID_CUSTOM_COPY_FROM,
1403     &editor.button.ce_copy_from,                GD_TYPE_RADIO_BUTTON,
1404     "Copy settings from other element",         0
1405   },
1406   {
1407     IMG_GFX_EDITOR_BUTTON_CE_COPY_TO,           GADGET_ID_CUSTOM_COPY_TO,
1408     &editor.button.ce_copy_to,                  GD_TYPE_RADIO_BUTTON,
1409     "Copy settings to other element",           0
1410   },
1411   {
1412     IMG_GFX_EDITOR_BUTTON_CE_SWAP,              GADGET_ID_CUSTOM_EXCHANGE,
1413     &editor.button.ce_swap,                     GD_TYPE_RADIO_BUTTON,
1414     "Exchange element with other element",      0
1415   },
1416   {
1417     IMG_GFX_EDITOR_BUTTON_CE_COPY,              GADGET_ID_CUSTOM_COPY,
1418     &editor.button.ce_copy,                     GD_TYPE_NORMAL_BUTTON,
1419     "Copy settings from this element",          0
1420   },
1421   {
1422     IMG_GFX_EDITOR_BUTTON_CE_PASTE,             GADGET_ID_CUSTOM_PASTE,
1423     &editor.button.ce_paste,                    GD_TYPE_NORMAL_BUTTON,
1424     "Paste settings to this element",           0
1425   },
1426
1427   // ---------- palette control buttons ---------------------------------------
1428
1429   {
1430     IMG_GFX_EDITOR_BUTTON_PROPERTIES,           GADGET_ID_PROPERTIES,
1431     &editor.button.properties,                  GD_TYPE_NORMAL_BUTTON,
1432     "Properties of drawing element",            'p'
1433   },
1434   {
1435     IMG_GFX_EDITOR_BUTTON_ELEMENT_LEFT,         GADGET_ID_ELEMENT_LEFT,
1436     &editor.button.element_left,                GD_TYPE_NORMAL_BUTTON,
1437     "Properties of drawing element 1",          '1'
1438   },
1439   {
1440     IMG_GFX_EDITOR_BUTTON_ELEMENT_MIDDLE,       GADGET_ID_ELEMENT_MIDDLE,
1441     &editor.button.element_middle,              GD_TYPE_NORMAL_BUTTON,
1442     "Properties of drawing element 2",          '2'
1443   },
1444   {
1445     IMG_GFX_EDITOR_BUTTON_ELEMENT_RIGHT,        GADGET_ID_ELEMENT_RIGHT,
1446     &editor.button.element_right,               GD_TYPE_NORMAL_BUTTON,
1447     "Properties of drawing element 3",          '3'
1448   },
1449   {
1450     IMG_GFX_EDITOR_BUTTON_PALETTE,              GADGET_ID_PALETTE,
1451     &editor.button.palette,                     GD_TYPE_NORMAL_BUTTON,
1452     "Show list of elements",                    'e'
1453   }
1454 };
1455
1456 static int random_placement_value = 10;
1457 static int random_placement_method = RANDOM_USE_QUANTITY;
1458 static int random_placement_background_element = EL_SAND;
1459 static boolean random_placement_background_restricted = FALSE;
1460 static boolean stick_element_properties_window = FALSE;
1461 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
1462 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
1463 static struct ElementChangeInfo custom_element_change;
1464 static struct ElementGroupInfo group_element_info;
1465 static struct ElementInfo custom_element;
1466
1467 static char levelset_name[MAX_LEVEL_NAME_LEN + 1];
1468 static char levelset_author[MAX_LEVEL_AUTHOR_LEN + 1];
1469 static int levelset_num_levels = 100;
1470 static boolean levelset_use_levelset_artwork = FALSE;
1471 static boolean levelset_copy_level_template = FALSE;
1472 static int levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
1473
1474 static struct
1475 {
1476   int gadget_type_id;
1477   int x, y;
1478   int min_value, max_value;
1479   int gadget_id_down, gadget_id_up;
1480   int gadget_id_text;
1481   int gadget_id_align;
1482   int *value;
1483   char *text_above, *text_left, *text_right;
1484 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
1485 {
1486   // ---------- current level number ------------------------------------------
1487
1488   {
1489     ED_COUNTER_ID_SELECT_LEVEL,
1490     -1, -1,     // these values are not constant, but can change at runtime
1491     1,                                  100,
1492     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
1493     GADGET_ID_SELECT_LEVEL_TEXT,        GADGET_ID_NONE,
1494     &level_nr,
1495     NULL,                               NULL, NULL
1496   },
1497
1498   // ---------- level and editor settings -------------------------------------
1499
1500   {
1501     ED_COUNTER_ID_LEVEL_XSIZE,
1502     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1503     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
1504     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
1505     GADGET_ID_LEVEL_XSIZE_TEXT,         GADGET_ID_NONE,
1506     &level.fieldx,
1507     "Playfield size:",                  NULL, "Width",
1508   },
1509   {
1510     ED_COUNTER_ID_LEVEL_YSIZE,
1511     -1,                                 ED_LEVEL_SETTINGS_YPOS(4),
1512     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
1513     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
1514     GADGET_ID_LEVEL_YSIZE_TEXT,         GADGET_ID_LEVEL_XSIZE_UP,
1515     &level.fieldy,
1516     NULL,                               " ", "Height",
1517   },
1518   {
1519     ED_COUNTER_ID_LEVEL_GEMSLIMIT,
1520     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
1521     0,                                  999,
1522     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
1523     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,     GADGET_ID_NONE,
1524     &level.gems_needed,
1525     NULL,                               "Number of gems to collect:", NULL
1526   },
1527   {
1528     ED_COUNTER_ID_LEVEL_TIMELIMIT,
1529     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
1530     0,                                  9999,
1531     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
1532     GADGET_ID_LEVEL_TIMELIMIT_TEXT,     GADGET_ID_NONE,
1533     &level.time,
1534     "Time or step limit to solve level:", NULL, NULL
1535   },
1536   {
1537     ED_COUNTER_ID_LEVEL_TIMESCORE,
1538     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
1539     0,                                  999,
1540     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
1541     GADGET_ID_LEVEL_TIMESCORE_TEXT,     GADGET_ID_NONE,
1542     &level.score[SC_TIME_BONUS],
1543     "Score for time or steps left:",    NULL, NULL
1544   },
1545   {
1546     ED_COUNTER_ID_LEVEL_RANDOM_SEED,
1547     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(13),
1548     0,                                  9999,
1549     GADGET_ID_LEVEL_RANDOM_SEED_DOWN,   GADGET_ID_LEVEL_RANDOM_SEED_UP,
1550     GADGET_ID_LEVEL_RANDOM_SEED_TEXT,   GADGET_ID_NONE,
1551     &level.random_seed,
1552     NULL,                               "Random seed:", "(0 => random)"
1553   },
1554   {
1555     ED_COUNTER_ID_LEVELSET_NUM_LEVELS,
1556     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1557     1,                                  MAX_LEVELS,
1558     GADGET_ID_LEVELSET_NUM_LEVELS_DOWN, GADGET_ID_LEVELSET_NUM_LEVELS_UP,
1559     GADGET_ID_LEVELSET_NUM_LEVELS_TEXT, GADGET_ID_NONE,
1560     &levelset_num_levels,
1561     "Number of levels:",                NULL, NULL,
1562   },
1563   {
1564     ED_COUNTER_ID_LEVEL_RANDOM,
1565     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1566     1,                                  100,
1567     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
1568     GADGET_ID_LEVEL_RANDOM_TEXT,        GADGET_ID_NONE,
1569     &random_placement_value,
1570     "Random element placement:",        NULL, "in"
1571   },
1572   {
1573     ED_COUNTER_ID_BD_CYCLE_DELAY_MS,
1574     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(3),
1575     50,                                 500,
1576     GADGET_ID_BD_CYCLE_DELAY_MS_DOWN,   GADGET_ID_BD_CYCLE_DELAY_MS_UP,
1577     GADGET_ID_BD_CYCLE_DELAY_MS_TEXT,   GADGET_ID_NONE,
1578     &level.bd_cycle_delay_ms,
1579     NULL,                               NULL, "Game cycle delay (ms)"
1580   },
1581   {
1582     ED_COUNTER_ID_BD_CYCLE_DELAY_C64,
1583     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(3),
1584     0,                                  32,
1585     GADGET_ID_BD_CYCLE_DELAY_C64_DOWN,  GADGET_ID_BD_CYCLE_DELAY_C64_UP,
1586     GADGET_ID_BD_CYCLE_DELAY_C64_TEXT,  GADGET_ID_NONE,
1587     &level.bd_cycle_delay_c64,
1588     NULL,                               NULL, "Game cycle delay (C64-style)"
1589   },
1590   {
1591     ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES,
1592     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1593     1,                                  40,
1594     GADGET_ID_BD_HATCHING_DELAY_CYCLES_DOWN,    GADGET_ID_BD_HATCHING_DELAY_CYCLES_UP,
1595     GADGET_ID_BD_HATCHING_DELAY_CYCLES_TEXT,    GADGET_ID_NONE,
1596     &level.bd_hatching_delay_cycles,
1597     NULL,                               NULL, "Hatching delay (cycles)"
1598   },
1599   {
1600     ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS,
1601     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1602     1,                                  40,
1603     GADGET_ID_BD_HATCHING_DELAY_SECONDS_DOWN,   GADGET_ID_BD_HATCHING_DELAY_SECONDS_UP,
1604     GADGET_ID_BD_HATCHING_DELAY_SECONDS_TEXT,   GADGET_ID_NONE,
1605     &level.bd_hatching_delay_seconds,
1606     NULL,                               NULL, "Hatching delay (seconds)"
1607   },
1608
1609   // ---------- element settings: configure (various elements) ----------------
1610
1611   {
1612     ED_COUNTER_ID_BD_PUSHING_PROB,
1613     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1614     0,                                  100,
1615     GADGET_ID_BD_PUSHING_PROB_DOWN,     GADGET_ID_BD_PUSHING_PROB_UP,
1616     GADGET_ID_BD_PUSHING_PROB_TEXT,     GADGET_ID_NONE,
1617     &level.bd_pushing_prob,
1618     NULL,                               NULL, "Push probability"
1619   },
1620   {
1621     ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET,
1622     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1623     0,                                  100,
1624     GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_DOWN,  GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_UP,
1625     GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_TEXT,  GADGET_ID_NONE,
1626     &level.bd_pushing_prob_with_sweet,
1627     NULL,                               NULL, "Push probability with sweet"
1628   },
1629   {
1630     ED_COUNTER_ID_ELEMENT_VALUE1,
1631     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1632     MIN_SCORE,                          MAX_SCORE,
1633     GADGET_ID_ELEMENT_VALUE1_DOWN,      GADGET_ID_ELEMENT_VALUE1_UP,
1634     GADGET_ID_ELEMENT_VALUE1_TEXT,      GADGET_ID_NONE,
1635     NULL,                               // will be set when used
1636     NULL,                               NULL, NULL
1637   },
1638   {
1639     ED_COUNTER_ID_ELEMENT_VALUE2,
1640     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
1641     MIN_SCORE,                          MAX_SCORE,
1642     GADGET_ID_ELEMENT_VALUE2_DOWN,      GADGET_ID_ELEMENT_VALUE2_UP,
1643     GADGET_ID_ELEMENT_VALUE2_TEXT,      GADGET_ID_NONE,
1644     NULL,                               // will be set when used
1645     NULL,                               NULL, NULL
1646   },
1647   {
1648     ED_COUNTER_ID_ELEMENT_VALUE3,
1649     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1650     MIN_SCORE,                          MAX_SCORE,
1651     GADGET_ID_ELEMENT_VALUE3_DOWN,      GADGET_ID_ELEMENT_VALUE3_UP,
1652     GADGET_ID_ELEMENT_VALUE3_TEXT,      GADGET_ID_NONE,
1653     NULL,                               // will be set when used
1654     NULL,                               NULL, NULL
1655   },
1656   {
1657     ED_COUNTER_ID_ELEMENT_VALUE4,
1658     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1659     MIN_SCORE,                          MAX_SCORE,
1660     GADGET_ID_ELEMENT_VALUE4_DOWN,      GADGET_ID_ELEMENT_VALUE4_UP,
1661     GADGET_ID_ELEMENT_VALUE4_TEXT,      GADGET_ID_NONE,
1662     NULL,                               // will be set when used
1663     NULL,                               NULL, NULL
1664   },
1665   {
1666     ED_COUNTER_ID_YAMYAM_CONTENT,
1667     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1668     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1669     GADGET_ID_YAMYAM_CONTENT_DOWN,      GADGET_ID_YAMYAM_CONTENT_UP,
1670     GADGET_ID_YAMYAM_CONTENT_TEXT,      GADGET_ID_NONE,
1671     &level.num_yamyam_contents,
1672     NULL,                               NULL, "Number of content areas"
1673   },
1674   {
1675     ED_COUNTER_ID_BALL_CONTENT,
1676     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1677     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1678     GADGET_ID_BALL_CONTENT_DOWN,        GADGET_ID_BALL_CONTENT_UP,
1679     GADGET_ID_BALL_CONTENT_TEXT,        GADGET_ID_NONE,
1680     &level.num_ball_contents,
1681     NULL,                               NULL, "Number of content areas"
1682   },
1683   {
1684     ED_COUNTER_ID_ANDROID_CONTENT,
1685     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1686     MIN_ANDROID_ELEMENTS,               MAX_ANDROID_ELEMENTS,
1687     GADGET_ID_ANDROID_CONTENT_DOWN,     GADGET_ID_ANDROID_CONTENT_UP,
1688     GADGET_ID_ANDROID_CONTENT_TEXT,     GADGET_ID_NONE,
1689     &level.num_android_clone_elements,
1690     NULL,                               NULL, "Number of clonable elements"
1691   },
1692   {
1693     ED_COUNTER_ID_ENVELOPE_XSIZE,
1694     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1695     MIN_ENVELOPE_XSIZE,                 MAX_ENVELOPE_XSIZE,
1696     GADGET_ID_ENVELOPE_XSIZE_DOWN,      GADGET_ID_ENVELOPE_XSIZE_UP,
1697     GADGET_ID_ENVELOPE_XSIZE_TEXT,      GADGET_ID_NONE,
1698     NULL,                               // will be set when used
1699     NULL,                               NULL, "Width",
1700   },
1701   {
1702     ED_COUNTER_ID_ENVELOPE_YSIZE,
1703     -1,                                 ED_ELEMENT_SETTINGS_YPOS(0),
1704     MIN_ENVELOPE_YSIZE,                 MAX_ENVELOPE_YSIZE,
1705     GADGET_ID_ENVELOPE_YSIZE_DOWN,      GADGET_ID_ENVELOPE_YSIZE_UP,
1706     GADGET_ID_ENVELOPE_YSIZE_TEXT,      GADGET_ID_ENVELOPE_XSIZE_UP,
1707     NULL,                               // will be set when used
1708     NULL,                               " ", "Height",
1709   },
1710   {
1711     ED_COUNTER_ID_INVENTORY_SIZE,
1712     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1713     MIN_INITIAL_INVENTORY_SIZE,         MAX_INITIAL_INVENTORY_SIZE,
1714     GADGET_ID_INVENTORY_SIZE_DOWN,      GADGET_ID_INVENTORY_SIZE_UP,
1715     GADGET_ID_INVENTORY_SIZE_TEXT,      GADGET_ID_NONE,
1716     &level.initial_inventory_size[0],
1717     NULL,                               NULL, "Number of inventory elements"
1718   },
1719   {
1720     ED_COUNTER_ID_MM_BALL_CONTENT,
1721     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1722     MIN_ELEMENTS_IN_GROUP,              MAX_MM_BALL_CONTENTS,
1723     GADGET_ID_MM_BALL_CONTENT_DOWN,     GADGET_ID_MM_BALL_CONTENT_UP,
1724     GADGET_ID_MM_BALL_CONTENT_TEXT,     GADGET_ID_NONE,
1725     &level.num_mm_ball_contents,
1726     NULL,                               NULL, "Number of content elements"
1727   },
1728
1729   // ---------- element settings: configure 1 (custom elements) ---------------
1730
1731   {
1732     ED_COUNTER_ID_CUSTOM_SCORE,
1733     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1734     MIN_SCORE,                          MAX_SCORE,
1735     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
1736     GADGET_ID_CUSTOM_SCORE_TEXT,        GADGET_ID_NONE,
1737     &custom_element.collect_score_initial,
1738     NULL,                               "CE score", " "
1739   },
1740   {
1741     ED_COUNTER_ID_CUSTOM_GEMCOUNT,
1742     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1743     MIN_COLLECT_COUNT,                  MAX_COLLECT_COUNT,
1744     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
1745     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,     GADGET_ID_CUSTOM_SCORE_UP,
1746     &custom_element.collect_count_initial,
1747     NULL,                               "CE count", NULL
1748   },
1749   {
1750     ED_COUNTER_ID_CUSTOM_VALUE_FIX,
1751     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1752     0,                                  9999,
1753     GADGET_ID_CUSTOM_VALUE_FIX_DOWN,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1754     GADGET_ID_CUSTOM_VALUE_FIX_TEXT,    GADGET_ID_NONE,
1755     &custom_element.ce_value_fixed_initial,
1756     NULL,                               "CE value", NULL
1757   },
1758   {
1759     ED_COUNTER_ID_CUSTOM_VALUE_RND,
1760     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1761     0,                                  9999,
1762     GADGET_ID_CUSTOM_VALUE_RND_DOWN,    GADGET_ID_CUSTOM_VALUE_RND_UP,
1763     GADGET_ID_CUSTOM_VALUE_RND_TEXT,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1764     &custom_element.ce_value_random_initial,
1765     NULL,                               "+random", NULL
1766   },
1767   {
1768     ED_COUNTER_ID_PUSH_DELAY_FIX,
1769     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1770     0,                                  999,
1771     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
1772     GADGET_ID_PUSH_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1773     &custom_element.push_delay_fixed,
1774     NULL,                               "Push delay", NULL
1775   },
1776   {
1777     ED_COUNTER_ID_PUSH_DELAY_RND,
1778     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1779     0,                                  999,
1780     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
1781     GADGET_ID_PUSH_DELAY_RND_TEXT,      GADGET_ID_PUSH_DELAY_FIX_UP,
1782     &custom_element.push_delay_random,
1783     NULL,                               "+random", NULL
1784   },
1785   {
1786     ED_COUNTER_ID_DROP_DELAY_FIX,
1787     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(7),
1788     0,                                  999,
1789     GADGET_ID_DROP_DELAY_FIX_DOWN,      GADGET_ID_DROP_DELAY_FIX_UP,
1790     GADGET_ID_DROP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1791     &custom_element.drop_delay_fixed,
1792     NULL,                               "Drop delay", NULL
1793   },
1794   {
1795     ED_COUNTER_ID_DROP_DELAY_RND,
1796     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
1797     0,                                  999,
1798     GADGET_ID_DROP_DELAY_RND_DOWN,      GADGET_ID_DROP_DELAY_RND_UP,
1799     GADGET_ID_DROP_DELAY_RND_TEXT,      GADGET_ID_DROP_DELAY_FIX_UP,
1800     &custom_element.drop_delay_random,
1801     NULL,                               "+random", NULL
1802   },
1803
1804   // ---------- element settings: configure 2 (custom elements) ---------------
1805
1806   {
1807     ED_COUNTER_ID_MOVE_DELAY_FIX,
1808     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1809     0,                                  999,
1810     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
1811     GADGET_ID_MOVE_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1812     &custom_element.move_delay_fixed,
1813     NULL,                               "Move delay", NULL
1814   },
1815   {
1816     ED_COUNTER_ID_MOVE_DELAY_RND,
1817     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1818     0,                                  999,
1819     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
1820     GADGET_ID_MOVE_DELAY_RND_TEXT,      GADGET_ID_MOVE_DELAY_FIX_UP,
1821     &custom_element.move_delay_random,
1822     NULL,                               "+random", NULL
1823   },
1824   {
1825     ED_COUNTER_ID_STEP_DELAY_FIX,
1826     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1827     0,                                  999,
1828     GADGET_ID_STEP_DELAY_FIX_DOWN,      GADGET_ID_STEP_DELAY_FIX_UP,
1829     GADGET_ID_STEP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1830     &custom_element.step_delay_fixed,
1831     NULL,                               "Step delay", NULL
1832   },
1833   {
1834     ED_COUNTER_ID_STEP_DELAY_RND,
1835     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1836     0,                                  999,
1837     GADGET_ID_STEP_DELAY_RND_DOWN,      GADGET_ID_STEP_DELAY_RND_UP,
1838     GADGET_ID_STEP_DELAY_RND_TEXT,      GADGET_ID_STEP_DELAY_FIX_UP,
1839     &custom_element.step_delay_random,
1840     NULL,                               "+random", NULL
1841   },
1842   {
1843     ED_COUNTER_ID_EXPLOSION_DELAY,
1844     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
1845     0,                                  999,
1846     GADGET_ID_EXPLOSION_DELAY_DOWN,     GADGET_ID_EXPLOSION_DELAY_UP,
1847     GADGET_ID_EXPLOSION_DELAY_TEXT,     GADGET_ID_NONE,
1848     &custom_element.explosion_delay,
1849     NULL,                               "Explosion delay", NULL
1850   },
1851   {
1852     ED_COUNTER_ID_IGNITION_DELAY,
1853     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
1854     0,                                  999,
1855     GADGET_ID_IGNITION_DELAY_DOWN,      GADGET_ID_IGNITION_DELAY_UP,
1856     GADGET_ID_IGNITION_DELAY_TEXT,      GADGET_ID_NONE,
1857     &custom_element.ignition_delay,
1858     NULL,                               "Ignition delay", "(by fire)"
1859   },
1860
1861   // ---------- element settings: configure (group elements) ------------------
1862
1863   {
1864     ED_COUNTER_ID_GROUP_CONTENT,
1865     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1866     MIN_ELEMENTS_IN_GROUP,              MAX_ELEMENTS_IN_GROUP,
1867     GADGET_ID_GROUP_CONTENT_DOWN,       GADGET_ID_GROUP_CONTENT_UP,
1868     GADGET_ID_GROUP_CONTENT_TEXT,       GADGET_ID_NONE,
1869     &group_element_info.num_elements,
1870     NULL,                               NULL, "Number of elements in group"
1871   },
1872
1873   // ---------- element settings: advanced (custom elements) ------------------
1874
1875   {
1876     ED_COUNTER_ID_CHANGE_DELAY_FIX,
1877     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(2),
1878     0,                                  999,
1879     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1880     GADGET_ID_CHANGE_DELAY_FIX_TEXT,    GADGET_ID_NONE,
1881     &custom_element_change.delay_fixed,
1882     NULL,                               "CE delay", NULL,
1883   },
1884   {
1885     ED_COUNTER_ID_CHANGE_DELAY_RND,
1886     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
1887     0,                                  999,
1888     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
1889     GADGET_ID_CHANGE_DELAY_RND_TEXT,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1890     &custom_element_change.delay_random,
1891     NULL,                               "+random", NULL
1892   },
1893   {
1894     ED_COUNTER_ID_CHANGE_CONT_RND,
1895     ED_ELEMENT_SETTINGS_XPOS(3),        ED_ELEMENT_SETTINGS_YPOS(12),
1896     0,                                  100,
1897     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
1898     GADGET_ID_CHANGE_CONT_RND_TEXT,     GADGET_ID_NONE,
1899     &custom_element_change.random_percentage,
1900     NULL,                               "Use random replace:", "%"
1901   },
1902 };
1903
1904 static struct
1905 {
1906   int gadget_type_id;
1907   int x, y;
1908   int gadget_id;
1909   int size;
1910   char *value;
1911   char *text_above, *infotext;
1912 } textinput_info[ED_NUM_TEXTINPUT] =
1913 {
1914   {
1915     ED_TEXTINPUT_ID_LEVEL_NAME,
1916     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1917     GADGET_ID_LEVEL_NAME,
1918     MAX_LEVEL_NAME_LEN,
1919     level.name,
1920     "Title:", "Title for this level"
1921   },
1922   {
1923     ED_TEXTINPUT_ID_LEVEL_AUTHOR,
1924     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1925     GADGET_ID_LEVEL_AUTHOR,
1926     MAX_LEVEL_AUTHOR_LEN,
1927     level.author,
1928     "Author:", "Author for this level"
1929   },
1930   {
1931     ED_TEXTINPUT_ID_LEVELSET_NAME,
1932     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1933     GADGET_ID_LEVELSET_NAME,
1934     MAX_LEVEL_NAME_LEN,
1935     levelset_name,
1936     "Title:", "Title for this or new level set"
1937   },
1938   {
1939     ED_TEXTINPUT_ID_LEVELSET_AUTHOR,
1940     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1941     GADGET_ID_LEVELSET_AUTHOR,
1942     MAX_LEVEL_AUTHOR_LEN,
1943     levelset_author,
1944     "Author:", "Author for this or new level set"
1945   },
1946   {
1947     ED_TEXTINPUT_ID_ELEMENT_NAME,
1948     -1, -1,     // these values are not constant, but can change at runtime
1949     GADGET_ID_ELEMENT_NAME,
1950     MAX_ELEMENT_NAME_LEN - 2,           // currently 2 chars less editable
1951     custom_element.description,
1952     NULL, "Element name"
1953   }
1954 };
1955
1956 static struct
1957 {
1958   int gadget_type_id;
1959   int x, y;
1960   int gadget_id;
1961   int xsize, ysize;
1962   char *value;
1963   char *text_above, *text_above_cropped, *infotext;
1964 } textarea_info[ED_NUM_TEXTAREAS] =
1965 {
1966   {
1967     ED_TEXTAREA_ID_ENVELOPE_INFO,
1968     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1969     GADGET_ID_ENVELOPE_INFO,
1970     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
1971     NULL,
1972     "Envelope Content:", "Envelope Content (cropped):", "Envelope Content"
1973   }
1974 };
1975
1976 static struct ValueTextInfo options_time_or_steps[] =
1977 {
1978   { 0,                          "seconds"                       },
1979   { 1,                          "steps"                         },
1980
1981   { -1,                         NULL                            }
1982 };
1983
1984 static struct ValueTextInfo options_time_score_base[] =
1985 {
1986   { 1,                          "per second/step"               },
1987   { 10,                         "per 10 seconds/steps"          },
1988
1989   { -1,                         NULL                            }
1990 };
1991
1992 static struct ValueTextInfo options_game_engine_type[] =
1993 {
1994   { GAME_ENGINE_TYPE_RND,       "Rocks'n'Diamonds"              },
1995   { GAME_ENGINE_TYPE_BD,        "Boulder Dash"                  },
1996   { GAME_ENGINE_TYPE_EM,        "Emerald Mine"                  },
1997   { GAME_ENGINE_TYPE_SP,        "Supaplex"                      },
1998   { GAME_ENGINE_TYPE_MM,        "Mirror Magic"                  },
1999
2000   { -1,                         NULL                            }
2001 };
2002
2003 static struct ValueTextInfo options_levelset_save_mode[] =
2004 {
2005   { LEVELSET_SAVE_MODE_UPDATE,  "Update this level set"         },
2006   { LEVELSET_SAVE_MODE_CREATE,  "Create new level set"          },
2007
2008   { -1,                         NULL                            }
2009 };
2010
2011 static struct ValueTextInfo options_wind_direction[] =
2012 {
2013   { MV_START_NONE,              "none"                          },
2014   { MV_START_LEFT,              "left"                          },
2015   { MV_START_RIGHT,             "right"                         },
2016   { MV_START_UP,                "up"                            },
2017   { MV_START_DOWN,              "down"                          },
2018
2019   { -1,                         NULL                            }
2020 };
2021
2022 static struct ValueTextInfo options_player_speed[] =
2023 {
2024   { 0,                          "frozen"                        },
2025   { 1,                          "very slow"                     },
2026   { 2,                          "slow"                          },
2027   { 4,                          "normal"                        },
2028   { 8,                          "fast"                          },
2029   { 16,                         "very fast"                     },
2030   { 32,                         "ultrafast"                     },
2031
2032   { -1,                         NULL                            }
2033 };
2034
2035 static struct ValueTextInfo options_access_type[] =
2036 {
2037   { EP_WALKABLE,                "walkable"                      },
2038   { EP_PASSABLE,                "passable"                      },
2039
2040   { -1,                         NULL                            }
2041 };
2042
2043 static struct ValueTextInfo options_access_layer[] =
2044 {
2045   { EP_ACCESSIBLE_OVER,         "over"                          },
2046   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
2047   { EP_ACCESSIBLE_UNDER,        "under"                         },
2048
2049   { -1,                         NULL                            }
2050 };
2051
2052 static struct ValueTextInfo options_access_protected[] =
2053 {
2054   { 0,                          "unprotected"                   },
2055   { 1,                          "protected"                     },
2056
2057   { -1,                         NULL                            }
2058 };
2059
2060 static struct ValueTextInfo options_access_direction[] =
2061 {
2062   { MV_NO_DIRECTION,            "no direction"                  },
2063   { MV_LEFT,                    "left"                          },
2064   { MV_RIGHT,                   "right"                         },
2065   { MV_UP,                      "up"                            },
2066   { MV_DOWN,                    "down"                          },
2067   { MV_LEFT  | MV_UP,           "left + up"                     },
2068   { MV_LEFT  | MV_DOWN,         "left + down"                   },
2069   { MV_RIGHT | MV_UP,           "right + up"                    },
2070   { MV_RIGHT | MV_DOWN,         "right + down"                  },
2071   { MV_HORIZONTAL,              "horizontal"                    },
2072   { MV_VERTICAL,                "vertical"                      },
2073   { MV_HORIZONTAL | MV_UP,      "horizontal + up"               },
2074   { MV_HORIZONTAL | MV_DOWN,    "horizontal + down"             },
2075   { MV_VERTICAL   | MV_LEFT,    "vertical + left"               },
2076   { MV_VERTICAL   | MV_RIGHT,   "vertical + right"              },
2077   { MV_ALL_DIRECTIONS,          "all directions"                },
2078
2079   { -1,                         NULL                            }
2080 };
2081
2082 static struct ValueTextInfo options_walk_to_action[] =
2083 {
2084   { EP_DIGGABLE,                "diggable"                      },
2085   { EP_COLLECTIBLE_ONLY,        "collectible"                   },
2086   { EP_DROPPABLE,               "collectible & droppable"       },
2087   { EP_THROWABLE,               "collectible & throwable"       },
2088   { EP_PUSHABLE,                "pushable"                      },
2089
2090   { -1,                         NULL                            }
2091 };
2092
2093 static struct ValueTextInfo options_move_pattern[] =
2094 {
2095   { MV_LEFT,                    "left"                          },
2096   { MV_RIGHT,                   "right"                         },
2097   { MV_UP,                      "up"                            },
2098   { MV_DOWN,                    "down"                          },
2099   { MV_HORIZONTAL,              "horizontal"                    },
2100   { MV_VERTICAL,                "vertical"                      },
2101   { MV_ALL_DIRECTIONS,          "all directions"                },
2102   { MV_WIND_DIRECTION,          "wind direction"                },
2103   { MV_TOWARDS_PLAYER,          "towards player"                },
2104   { MV_AWAY_FROM_PLAYER,        "away from player"              },
2105   { MV_ALONG_LEFT_SIDE,         "along left side"               },
2106   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
2107   { MV_TURNING_LEFT,            "turning left"                  },
2108   { MV_TURNING_RIGHT,           "turning right"                 },
2109   { MV_TURNING_LEFT_RIGHT,      "turning left, right"           },
2110   { MV_TURNING_RIGHT_LEFT,      "turning right, left"           },
2111   { MV_TURNING_RANDOM,          "turning random"                },
2112   { MV_MAZE_RUNNER,             "maze runner style"             },
2113   { MV_MAZE_HUNTER,             "maze hunter style"             },
2114   { MV_WHEN_PUSHED,             "when pushed"                   },
2115   { MV_WHEN_DROPPED,            "when dropped/thrown"           },
2116
2117   { -1,                         NULL                            }
2118 };
2119
2120 static struct ValueTextInfo options_move_direction[] =
2121 {
2122   { MV_START_AUTOMATIC,         "automatic"                     },
2123   { MV_START_LEFT,              "left"                          },
2124   { MV_START_RIGHT,             "right"                         },
2125   { MV_START_UP,                "up"                            },
2126   { MV_START_DOWN,              "down"                          },
2127   { MV_START_RANDOM,            "random"                        },
2128   { MV_START_PREVIOUS,          "previous"                      },
2129
2130   { -1,                         NULL                            }
2131 };
2132
2133 static struct ValueTextInfo options_move_stepsize[] =
2134 {
2135   { 0,                          "not moving"                    },
2136   { 1,                          "very slow"                     },
2137   { 2,                          "slow"                          },
2138   { 4,                          "normal"                        },
2139   { 8,                          "fast"                          },
2140   { 16,                         "very fast"                     },
2141   { 32,                         "even faster"                   },
2142
2143   { -1,                         NULL                            }
2144 };
2145
2146 static struct ValueTextInfo options_move_leave_type[] =
2147 {
2148   { LEAVE_TYPE_UNLIMITED,       "leave behind"                  },
2149   { LEAVE_TYPE_LIMITED,         "change it to"                  },
2150
2151   { -1,                         NULL                            }
2152 };
2153
2154 static struct ValueTextInfo options_smash_targets[] =
2155 {
2156   { EP_CAN_SMASH_PLAYER,        "player"                        },
2157 #if 0
2158   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
2159 #endif
2160   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
2161
2162   { -1,                         NULL                            }
2163 };
2164
2165 static struct ValueTextInfo options_slippery_type[] =
2166 {
2167   { SLIPPERY_ANY_RANDOM,        "random"                        },
2168   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
2169   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
2170   { SLIPPERY_ONLY_LEFT,         "only left"                     },
2171   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
2172
2173   { -1,                         NULL                            }
2174 };
2175
2176 static struct ValueTextInfo options_deadliness[] =
2177 {
2178   { EP_DONT_RUN_INTO,           "running into"                  },
2179   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
2180   { EP_DONT_GET_HIT_BY,         "getting hit by"                },
2181   { EP_DONT_TOUCH,              "touching"                      },
2182
2183   { -1,                         NULL                            }
2184 };
2185
2186 static struct ValueTextInfo options_explosion_type[] =
2187 {
2188   { EXPLODES_3X3,               "3x3"                           },
2189   { EXPLODES_CROSS,             "3+3"                           },
2190   { EXPLODES_1X1,               "1x1"                           },
2191
2192   { -1,                         NULL                            }
2193 };
2194
2195 static struct ValueTextInfo options_time_units[] =
2196 {
2197   { 1,                          "frames"                        },
2198   { FRAMES_PER_SECOND,          "seconds"                       },
2199
2200   { -1,                         NULL                            }
2201 };
2202
2203 static struct ValueTextInfo options_change_direct_action[] =
2204 {
2205   { CE_TOUCHED_BY_PLAYER,       "touched by player"             },
2206   { CE_PRESSED_BY_PLAYER,       "pressed by player"             },
2207   { CE_SWITCHED_BY_PLAYER,      "switched by player"            },
2208   { CE_SNAPPED_BY_PLAYER,       "snapped by player"             },
2209   { CE_PUSHED_BY_PLAYER,        "pushed by player"              },
2210   { CE_ENTERED_BY_PLAYER,       "entered by player"             },
2211   { CE_LEFT_BY_PLAYER,          "left by player"                },
2212   { CE_DROPPED_BY_PLAYER,       "dropped/thrown by player"      },
2213   { CE_SWITCHED,                "switched"                      },
2214   { CE_HITTING_SOMETHING,       "hitting something"             },
2215   { CE_HIT_BY_SOMETHING,        "hit by something"              },
2216 #if 0
2217   { CE_BLOCKED,                 "blocked"                       },
2218 #endif
2219   { CE_IMPACT,                  "impact (on something)"         },
2220   { CE_SMASHED,                 "smashed (from above)"          },
2221 #if 0
2222   { CE_VALUE_CHANGES,           "CE value changes"              },
2223   { CE_SCORE_CHANGES,           "CE score changes"              },
2224 #endif
2225   { CE_VALUE_GETS_ZERO,         "CE value gets 0"               },
2226   { CE_SCORE_GETS_ZERO,         "CE score gets 0"               },
2227   { CE_UNDEFINED,               " "                             },
2228   { CE_HEADLINE_SPECIAL_EVENTS, "[mouse events]"                },
2229   { CE_CLICKED_BY_MOUSE,        "clicked by mouse"              },
2230   { CE_PRESSED_BY_MOUSE,        "pressed by mouse"              },
2231   { CE_UNDEFINED,               " "                             },
2232   { CE_HEADLINE_SPECIAL_EVENTS, "[static states]"               },
2233   { CE_NEXT_TO_PLAYER,          "next to player"                },
2234
2235   { -1,                         NULL                            }
2236 };
2237
2238 static struct ValueTextInfo options_change_other_action[] =
2239 {
2240   { CE_PLAYER_TOUCHES_X,        "player touches"                },
2241   { CE_PLAYER_PRESSES_X,        "player presses"                },
2242   { CE_PLAYER_SWITCHES_X,       "player switches"               },
2243   { CE_PLAYER_SNAPS_X,          "player snaps"                  },
2244   { CE_PLAYER_PUSHES_X,         "player pushes"                 },
2245   { CE_PLAYER_ENTERS_X,         "player enters"                 },
2246   { CE_PLAYER_LEAVES_X,         "player leaves"                 },
2247   { CE_PLAYER_DIGS_X,           "player digs"                   },
2248   { CE_PLAYER_COLLECTS_X,       "player collects"               },
2249   { CE_PLAYER_DROPS_X,          "player drops/throws"           },
2250   { CE_TOUCHING_X,              "touching"                      },
2251   { CE_HITTING_X,               "hitting"                       },
2252   { CE_DIGGING_X,               "digging"                       },
2253   { CE_HIT_BY_X,                "hit by"                        },
2254   { CE_SWITCH_OF_X,             "switch of"                     },
2255   { CE_CHANGE_OF_X,             "change by page of"             },
2256   { CE_EXPLOSION_OF_X,          "explosion of"                  },
2257   { CE_MOVE_OF_X,               "move of"                       },
2258   { CE_CREATION_OF_X,           "creation of"                   },
2259   { CE_VALUE_CHANGES_OF_X,      "CE value changes of"           },
2260   { CE_SCORE_CHANGES_OF_X,      "CE score changes of"           },
2261   { CE_VALUE_GETS_ZERO_OF_X,    "CE value gets 0 of"            },
2262   { CE_SCORE_GETS_ZERO_OF_X,    "CE score gets 0 of"            },
2263   { CE_UNDEFINED,               " "                             },
2264   { CE_HEADLINE_SPECIAL_EVENTS, "[mouse events]"                },
2265   { CE_MOUSE_CLICKED_ON_X,      "mouse clicked on"              },
2266   { CE_MOUSE_PRESSED_ON_X,      "mouse pressed on"              },
2267   { CE_UNDEFINED,               " "                             },
2268   { CE_HEADLINE_SPECIAL_EVENTS, "[static states]"               },
2269   { CE_PLAYER_NEXT_TO_X,        "player next to"                },
2270   { CE_NEXT_TO_X,               "next to"                       },
2271
2272   { -1,                         NULL                            }
2273 };
2274
2275 static struct ValueTextInfo options_change_trigger_side[] =
2276 {
2277   { CH_SIDE_LEFT,               "left"                          },
2278   { CH_SIDE_RIGHT,              "right"                         },
2279   { CH_SIDE_TOP,                "top"                           },
2280   { CH_SIDE_BOTTOM,             "bottom"                        },
2281   { CH_SIDE_LEFT_RIGHT,         "left/right"                    },
2282   { CH_SIDE_TOP_BOTTOM,         "top/bottom"                    },
2283   { CH_SIDE_ANY,                "any"                           },
2284
2285   { -1,                         NULL                            }
2286 };
2287
2288 static struct ValueTextInfo options_change_trigger_player[] =
2289 {
2290   { CH_PLAYER_1,                "1"                             },
2291   { CH_PLAYER_2,                "2"                             },
2292   { CH_PLAYER_3,                "3"                             },
2293   { CH_PLAYER_4,                "4"                             },
2294   { CH_PLAYER_ANY,              "any"                           },
2295
2296   { -1,                         NULL                            }
2297 };
2298
2299 static struct ValueTextInfo options_change_trigger_page[] =
2300 {
2301   { (1u << 0),                  "1"                             },
2302   { (1u << 1),                  "2"                             },
2303   { (1u << 2),                  "3"                             },
2304   { (1u << 3),                  "4"                             },
2305   { (1u << 4),                  "5"                             },
2306   { (1u << 5),                  "6"                             },
2307   { (1u << 6),                  "7"                             },
2308   { (1u << 7),                  "8"                             },
2309   { (1u << 8),                  "9"                             },
2310   { (1u << 9),                  "10"                            },
2311   { (1u << 10),                 "11"                            },
2312   { (1u << 11),                 "12"                            },
2313   { (1u << 12),                 "13"                            },
2314   { (1u << 13),                 "14"                            },
2315   { (1u << 14),                 "15"                            },
2316   { (1u << 15),                 "16"                            },
2317   { (1u << 16),                 "17"                            },
2318   { (1u << 17),                 "18"                            },
2319   { (1u << 18),                 "19"                            },
2320   { (1u << 19),                 "20"                            },
2321   { (1u << 20),                 "21"                            },
2322   { (1u << 21),                 "22"                            },
2323   { (1u << 22),                 "23"                            },
2324   { (1u << 23),                 "24"                            },
2325   { (1u << 24),                 "25"                            },
2326   { (1u << 25),                 "26"                            },
2327   { (1u << 26),                 "27"                            },
2328   { (1u << 27),                 "28"                            },
2329   { (1u << 28),                 "29"                            },
2330   { (1u << 29),                 "30"                            },
2331   { (1u << 30),                 "31"                            },
2332   { (1u << 31),                 "32"                            },
2333   { CH_PAGE_ANY,                "any"                           },
2334
2335   { -1,                         NULL                            }
2336 };
2337
2338 static struct ValueTextInfo options_change_replace_when[] =
2339 {
2340   { CP_WHEN_EMPTY,              "empty"                         },
2341   { CP_WHEN_WALKABLE,           "walkable"                      },
2342   { CP_WHEN_DIGGABLE,           "diggable"                      },
2343   { CP_WHEN_COLLECTIBLE,        "collectible"                   },
2344   { CP_WHEN_REMOVABLE,          "removable"                     },
2345   { CP_WHEN_DESTRUCTIBLE,       "destructible"                  },
2346
2347   { -1,                         NULL                            }
2348 };
2349
2350 static struct ValueTextInfo options_action_type[] =
2351 {
2352   { CA_NO_ACTION,               "no action"                     },
2353   { CA_UNDEFINED,               " "                             },
2354   { CA_HEADLINE_LEVEL_ACTIONS,  "[level]"                       },
2355   { CA_RESTART_LEVEL,           "restart level"                 },
2356   { CA_SHOW_ENVELOPE,           "show envelope"                 },
2357   { CA_SET_LEVEL_TIME,          "set time"                      },
2358   { CA_SET_LEVEL_SCORE,         "set score"                     },
2359   { CA_SET_LEVEL_GEMS,          "set gems"                      },
2360   { CA_SET_LEVEL_WIND,          "set wind dir."                 },
2361   { CA_SET_LEVEL_RANDOM_SEED,   "set random seed"               },
2362   { CA_UNDEFINED,               " "                             },
2363   { CA_HEADLINE_PLAYER_ACTIONS, "[player]"                      },
2364   { CA_MOVE_PLAYER,             "move player"                   },
2365   { CA_MOVE_PLAYER_NEW,         "move player new"               },
2366   { CA_EXIT_PLAYER,             "exit player"                   },
2367   { CA_KILL_PLAYER,             "kill player"                   },
2368   { CA_SET_PLAYER_KEYS,         "set keys"                      },
2369   { CA_SET_PLAYER_SPEED,        "set speed"                     },
2370   { CA_SET_PLAYER_SHIELD,       "set shield"                    },
2371   { CA_SET_PLAYER_GRAVITY,      "set gravity"                   },
2372   { CA_SET_PLAYER_ARTWORK,      "set artwork"                   },
2373   { CA_SET_PLAYER_INVENTORY,    "set inventory"                 },
2374   { CA_UNDEFINED,               " "                             },
2375   { CA_HEADLINE_CE_ACTIONS,     "[CE]"                          },
2376   { CA_SET_CE_VALUE,            "set CE value"                  },
2377   { CA_SET_CE_SCORE,            "set CE score"                  },
2378   { CA_SET_CE_ARTWORK,          "set CE artwork"                },
2379   { CA_UNDEFINED,               " "                             },
2380   { CA_HEADLINE_ENGINE_ACTIONS, "[engine]"                      },
2381   { CA_SET_ENGINE_SCAN_MODE,    "set scan mode"                 },
2382
2383   { -1,                         NULL                            }
2384 };
2385
2386 static struct ValueTextInfo options_action_mode_none[] =
2387 {
2388   { CA_MODE_UNDEFINED,          " "                             },
2389
2390   { -1,                         NULL                            }
2391 };
2392
2393 static struct ValueTextInfo options_action_mode_assign[] =
2394 {
2395   { CA_MODE_SET,                "="                             },
2396
2397   { -1,                         NULL                            }
2398 };
2399
2400 static struct ValueTextInfo options_action_mode_add_remove[] =
2401 {
2402   { CA_MODE_ADD,                "+"                             },
2403   { CA_MODE_SUBTRACT,           "-"                             },
2404
2405   { -1,                         NULL                            }
2406 };
2407
2408 static struct ValueTextInfo options_action_mode_calculate[] =
2409 {
2410   { CA_MODE_SET,                "="                             },
2411   { CA_MODE_ADD,                "+"                             },
2412   { CA_MODE_SUBTRACT,           "-"                             },
2413   { CA_MODE_MULTIPLY,           "*"                             },
2414   { CA_MODE_DIVIDE,             "/"                             },
2415   { CA_MODE_MODULO,             "%"                             },
2416
2417   { -1,                         NULL                            }
2418 };
2419
2420 static struct ValueTextInfo options_action_arg_none[] =
2421 {
2422   { CA_ARG_UNDEFINED,           "         "                     },
2423
2424   { -1,                         NULL                            }
2425 };
2426
2427 static struct ValueTextInfo options_action_arg_player[] =
2428 {
2429   { CA_ARG_PLAYER_HEADLINE,     "[player]"                      },
2430   { CA_ARG_PLAYER_1,            "1"                             },
2431   { CA_ARG_PLAYER_2,            "2"                             },
2432   { CA_ARG_PLAYER_3,            "3"                             },
2433   { CA_ARG_PLAYER_4,            "4"                             },
2434   { CA_ARG_PLAYER_ANY,          "any"                           },
2435   { CA_ARG_PLAYER_TRIGGER,      "trigger"                       },
2436   { CA_ARG_PLAYER_ACTION,       "action ->"                     },
2437
2438   { -1,                         NULL                            }
2439 };
2440
2441 static struct ValueTextInfo options_action_arg_number[] =
2442 {
2443   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2444   { CA_ARG_0,                   "0"                             },
2445   { CA_ARG_1,                   "1"                             },
2446   { CA_ARG_2,                   "2"                             },
2447   { CA_ARG_3,                   "3"                             },
2448   { CA_ARG_4,                   "4"                             },
2449   { CA_ARG_5,                   "5"                             },
2450   { CA_ARG_10,                  "10"                            },
2451   { CA_ARG_100,                 "100"                           },
2452   { CA_ARG_1000,                "1000"                          },
2453   { CA_ARG_UNDEFINED,           " "                             },
2454   { CA_ARG_NUMBER_MIN,          "min"                           },
2455   { CA_ARG_NUMBER_MAX,          "max"                           },
2456   { CA_ARG_UNDEFINED,           " "                             },
2457   { CA_ARG_NUMBER_RESET,        "reset"                         },
2458   { CA_ARG_UNDEFINED,           " "                             },
2459   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2460   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2461   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2462   { CA_ARG_UNDEFINED,           " "                             },
2463   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2464   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2465   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2466   { CA_ARG_UNDEFINED,           " "                             },
2467   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2468   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2469   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2470   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2471   { CA_ARG_UNDEFINED,           " "                             },
2472   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2473   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2474   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2475   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2476
2477   { -1,                         NULL                            }
2478 };
2479
2480 static struct ValueTextInfo options_action_arg_value[] =
2481 {
2482   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2483   { CA_ARG_0,                   "0"                             },
2484   { CA_ARG_1,                   "1"                             },
2485   { CA_ARG_2,                   "2"                             },
2486   { CA_ARG_3,                   "3"                             },
2487   { CA_ARG_4,                   "4"                             },
2488   { CA_ARG_5,                   "5"                             },
2489   { CA_ARG_10,                  "10"                            },
2490   { CA_ARG_100,                 "100"                           },
2491   { CA_ARG_1000,                "1000"                          },
2492   { CA_ARG_UNDEFINED,           " "                             },
2493   { CA_ARG_NUMBER_MIN,          "min"                           },
2494   { CA_ARG_NUMBER_MAX,          "max"                           },
2495   { CA_ARG_UNDEFINED,           " "                             },
2496   { CA_ARG_NUMBER_RESET,        "reset"                         },
2497   { CA_ARG_UNDEFINED,           " "                             },
2498   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2499   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2500   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2501   { CA_ARG_UNDEFINED,           " "                             },
2502   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2503   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2504   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2505   { CA_ARG_UNDEFINED,           " "                             },
2506   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2507   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2508   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2509   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2510   { CA_ARG_UNDEFINED,           " "                             },
2511   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2512   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2513   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2514   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2515   { CA_ARG_UNDEFINED,           " "                             },
2516   { CA_ARG_ELEMENT_NR_HEADLINE, "[element]"                     },
2517   { CA_ARG_ELEMENT_NR_TARGET,   "target"                        },
2518   { CA_ARG_ELEMENT_NR_TRIGGER,  "trigger"                       },
2519   { CA_ARG_ELEMENT_NR_ACTION,   "action ->"                     },
2520
2521   { -1,                         NULL                            }
2522 };
2523
2524 static struct ValueTextInfo options_action_arg_envelope[] =
2525 {
2526   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2527   { CA_ARG_1,                   "1"                             },
2528   { CA_ARG_2,                   "2"                             },
2529   { CA_ARG_3,                   "3"                             },
2530   { CA_ARG_4,                   "4"                             },
2531   { CA_ARG_UNDEFINED,           " "                             },
2532   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2533   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2534   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2535   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2536
2537   { -1,                         NULL                            }
2538 };
2539
2540 static struct ValueTextInfo options_action_arg_key[] =
2541 {
2542   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2543   { CA_ARG_1,                   "1"                             },
2544   { CA_ARG_2,                   "2"                             },
2545   { CA_ARG_3,                   "3"                             },
2546   { CA_ARG_4,                   "4"                             },
2547   { CA_ARG_5,                   "5"                             },
2548   { CA_ARG_6,                   "6"                             },
2549   { CA_ARG_7,                   "7"                             },
2550   { CA_ARG_8,                   "8"                             },
2551   { CA_ARG_UNDEFINED,           " "                             },
2552   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2553   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2554   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2555   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2556
2557   { -1,                         NULL                            }
2558 };
2559
2560 static struct ValueTextInfo options_action_arg_speed[] =
2561 {
2562   { CA_ARG_SPEED_HEADLINE,      "[speed]"                       },
2563   { CA_ARG_SPEED_NOT_MOVING,    "frozen"                        },
2564   { CA_ARG_SPEED_VERY_SLOW,     "very slow"                     },
2565   { CA_ARG_SPEED_SLOW,          "slow"                          },
2566   { CA_ARG_SPEED_NORMAL,        "normal"                        },
2567   { CA_ARG_SPEED_FAST,          "fast"                          },
2568   { CA_ARG_SPEED_VERY_FAST,     "very fast"                     },
2569   { CA_ARG_SPEED_EVEN_FASTER,   "ultrafast"                     },
2570   { CA_ARG_UNDEFINED,           " "                             },
2571   { CA_ARG_SPEED_SLOWER,        "slower"                        },
2572   { CA_ARG_SPEED_FASTER,        "faster"                        },
2573   { CA_ARG_UNDEFINED,           " "                             },
2574   { CA_ARG_SPEED_RESET,         "reset"                         },
2575
2576   { -1,                         NULL                            }
2577 };
2578
2579 static struct ValueTextInfo options_action_arg_shield[] =
2580 {
2581   { CA_ARG_SHIELD_HEADLINE,     "[shield]"                      },
2582   { CA_ARG_SHIELD_OFF,          "off"                           },
2583   { CA_ARG_SHIELD_NORMAL,       "normal"                        },
2584   { CA_ARG_SHIELD_DEADLY,       "deadly"                        },
2585
2586   { -1,                         NULL                            }
2587 };
2588
2589 static struct ValueTextInfo options_action_arg_artwork[] =
2590 {
2591   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2592   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2593   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2594   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2595   { CA_ARG_UNDEFINED,           " "                             },
2596   { CA_ARG_ELEMENT_RESET,       "reset"                         },
2597
2598   { -1,                         NULL                            }
2599 };
2600
2601 static struct ValueTextInfo options_action_arg_gravity[] =
2602 {
2603   { CA_ARG_GRAVITY_HEADLINE,    "[gravity]"                     },
2604   { CA_ARG_GRAVITY_ON,          "on"                            },
2605   { CA_ARG_GRAVITY_OFF,         "off"                           },
2606   { CA_ARG_GRAVITY_TOGGLE,      "toggle"                        },
2607
2608   { -1,                         NULL                            }
2609 };
2610
2611 static struct ValueTextInfo options_action_arg_direction[] =
2612 {
2613   { CA_ARG_DIRECTION_HEADLINE,  "[dir.]"                        },
2614   { CA_ARG_DIRECTION_NONE,      "none"                          },
2615   { CA_ARG_DIRECTION_LEFT,      "left"                          },
2616   { CA_ARG_DIRECTION_RIGHT,     "right"                         },
2617   { CA_ARG_DIRECTION_UP,        "up"                            },
2618   { CA_ARG_DIRECTION_DOWN,      "down"                          },
2619   { CA_ARG_DIRECTION_TRIGGER,   "trigger"                       },
2620   { CA_ARG_DIRECTION_TRIGGER_BACK, "-trigger"                   },
2621
2622   { -1,                         NULL                            }
2623 };
2624
2625 static struct ValueTextInfo options_action_arg_scan_mode[] =
2626 {
2627   { CA_ARG_SCAN_MODE_HEADLINE,  "[mode]"                        },
2628   { CA_ARG_SCAN_MODE_NORMAL,    "normal"                        },
2629   { CA_ARG_SCAN_MODE_REVERSE,   "reverse"                       },
2630
2631   { -1,                         NULL                            }
2632 };
2633
2634 static struct ValueTextInfo options_action_arg_inventory[] =
2635 {
2636   { CA_ARG_INVENTORY_HEADLINE,  "[add]"                         },
2637   { CA_ARG_ELEMENT_TARGET,      "+ target"                      },
2638   { CA_ARG_ELEMENT_TRIGGER,     "+ trigger"                     },
2639   { CA_ARG_ELEMENT_ACTION,      "+ action"                      },
2640   { CA_ARG_UNDEFINED,           " "                             },
2641   { CA_ARG_INVENTORY_RM_HEADLINE,"[remove]"                     },
2642   { CA_ARG_INVENTORY_RM_TARGET, "- target"                      },
2643   { CA_ARG_INVENTORY_RM_TRIGGER,"- trigger"                     },
2644   { CA_ARG_INVENTORY_RM_ACTION, "- action"                      },
2645   { CA_ARG_INVENTORY_RM_FIRST,  "- first"                       },
2646   { CA_ARG_INVENTORY_RM_LAST,   "- last"                        },
2647   { CA_ARG_INVENTORY_RM_ALL,    "- all"                         },
2648   { CA_ARG_UNDEFINED,           " "                             },
2649   { CA_ARG_INVENTORY_RESET,     "reset"                         },
2650
2651   { -1,                         NULL                            }
2652 };
2653
2654 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
2655 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
2656 {
2657   { -1,                         NULL                            }
2658 };
2659
2660 static struct ValueTextInfo options_group_choice_mode[] =
2661 {
2662   { ANIM_RANDOM,                "random"                        },
2663   { ANIM_LOOP,                  "loop"                          },
2664   { ANIM_LINEAR,                "linear"                        },
2665   { ANIM_PINGPONG,              "pingpong"                      },
2666   { ANIM_PINGPONG2,             "pingpong 2"                    },
2667   { ANIM_LEVEL_NR,              "level number"                  },
2668
2669   { -1,                         NULL                            }
2670 };
2671
2672 static struct ValueTextInfo options_bd_scheduling_type[] =
2673 {
2674   { GD_SCHEDULING_MILLISECONDS,   "Milliseconds"                },
2675   { GD_SCHEDULING_BD1,            "BD1"                         },
2676   { GD_SCHEDULING_BD2,            "BD2"                         },
2677   { GD_SCHEDULING_PLCK,           "Construction Kit"            },
2678   { GD_SCHEDULING_CRDR,           "Crazy Dream 7"               },
2679   { GD_SCHEDULING_BD1_ATARI,      "Atari BD1"                   },
2680   { GD_SCHEDULING_BD2_PLCK_ATARI, "Atari BD2 / PLCK"            },
2681
2682   { -1,                           NULL                          }
2683 };
2684
2685 static struct ValueTextInfo *action_arg_modes[] =
2686 {
2687   options_action_mode_none,
2688   options_action_mode_assign,
2689   options_action_mode_add_remove,
2690   options_action_mode_calculate,
2691 };
2692
2693 static struct
2694 {
2695   int value;
2696   int mode;
2697   struct ValueTextInfo *options;
2698 }
2699 action_arg_options[] =
2700 {
2701   { CA_NO_ACTION,               0,      options_action_arg_none,        },
2702   { CA_EXIT_PLAYER,             0,      options_action_arg_player,      },
2703   { CA_KILL_PLAYER,             0,      options_action_arg_player,      },
2704   { CA_MOVE_PLAYER,             0,      options_action_arg_direction,   },
2705   { CA_MOVE_PLAYER_NEW,         0,      options_action_arg_direction,   },
2706   { CA_RESTART_LEVEL,           0,      options_action_arg_none,        },
2707   { CA_SHOW_ENVELOPE,           0,      options_action_arg_envelope,    },
2708   { CA_SET_LEVEL_TIME,          3,      options_action_arg_number,      },
2709   { CA_SET_LEVEL_GEMS,          3,      options_action_arg_number,      },
2710   { CA_SET_LEVEL_SCORE,         3,      options_action_arg_number,      },
2711   { CA_SET_LEVEL_WIND,          1,      options_action_arg_direction,   },
2712   { CA_SET_LEVEL_RANDOM_SEED,   1,      options_action_arg_number,      },
2713   { CA_SET_PLAYER_KEYS,         2,      options_action_arg_key,         },
2714   { CA_SET_PLAYER_SPEED,        1,      options_action_arg_speed,       },
2715   { CA_SET_PLAYER_SHIELD,       1,      options_action_arg_shield,      },
2716   { CA_SET_PLAYER_GRAVITY,      1,      options_action_arg_gravity,     },
2717   { CA_SET_PLAYER_ARTWORK,      1,      options_action_arg_artwork,     },
2718   { CA_SET_PLAYER_INVENTORY,    0,      options_action_arg_inventory,   },
2719   { CA_SET_CE_VALUE,            3,      options_action_arg_value,       },
2720   { CA_SET_CE_SCORE,            3,      options_action_arg_value,       },
2721   { CA_SET_CE_ARTWORK,          1,      options_action_arg_artwork,     },
2722   { CA_SET_ENGINE_SCAN_MODE,    1,      options_action_arg_scan_mode,   },
2723
2724   { -1,                         FALSE,  NULL                            }
2725 };
2726
2727 static struct
2728 {
2729   int gadget_type_id;
2730   int x, y;
2731   int gadget_id;
2732   int gadget_id_align;
2733   int size;     // char size of selectbox or '-1' (dynamically determined)
2734   struct ValueTextInfo *options;
2735   int *value;
2736   char *text_above, *text_left, *text_right, *infotext;
2737 } selectbox_info[ED_NUM_SELECTBOX] =
2738 {
2739   // ---------- level and editor settings -------------------------------------
2740
2741   {
2742     ED_SELECTBOX_ID_TIME_OR_STEPS,
2743     -1,                                 ED_LEVEL_SETTINGS_YPOS(8),
2744     GADGET_ID_TIME_OR_STEPS,            GADGET_ID_LEVEL_TIMELIMIT_UP,
2745     -1,
2746     options_time_or_steps,
2747     &level.use_step_counter,
2748     NULL, NULL, "(0 => no limit)",      "Select time or step limit"
2749   },
2750   {
2751     ED_SELECTBOX_ID_TIME_SCORE_BASE,
2752     -1,                                 ED_LEVEL_SETTINGS_YPOS(10),
2753     GADGET_ID_TIME_SCORE_BASE,          GADGET_ID_LEVEL_TIMESCORE_UP,
2754     -1,
2755     options_time_score_base,
2756     &level.time_score_base,
2757     NULL, NULL, NULL,                   "Select time score for 1 or 10 seconds/steps"
2758   },
2759   {
2760     ED_SELECTBOX_ID_GAME_ENGINE_TYPE,
2761     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(12),
2762     GADGET_ID_GAME_ENGINE_TYPE,         GADGET_ID_NONE,
2763     -1,
2764     options_game_engine_type,
2765     &level.game_engine_type,
2766     NULL, "Game engine:", NULL,         "Select game engine"
2767   },
2768   {
2769     ED_SELECTBOX_ID_BD_SCHEDULING_TYPE,
2770     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
2771     GADGET_ID_BD_SCHEDULING_TYPE,       GADGET_ID_NONE,
2772     -1,
2773     options_bd_scheduling_type,
2774     &level.bd_scheduling_type,
2775     NULL, "Scheduling type:", NULL,     "Select level timing"
2776   },
2777   {
2778     ED_SELECTBOX_ID_LEVELSET_SAVE_MODE,
2779     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
2780     GADGET_ID_LEVELSET_SAVE_MODE,       GADGET_ID_NONE,
2781     -1,
2782     options_levelset_save_mode,
2783     &levelset_save_mode,
2784     "Action:", NULL, NULL,              "Select action when saving level set"
2785   },
2786
2787   // ---------- element settings: configure (several elements) ----------------
2788
2789   {
2790     ED_SELECTBOX_ID_WIND_DIRECTION,
2791     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2792     GADGET_ID_WIND_DIRECTION,           GADGET_ID_NONE,
2793     -1,
2794     options_wind_direction,
2795     &level.wind_direction_initial,
2796     NULL, "Initial wind direction:", NULL,      "Select initial wind direction"
2797   },
2798   {
2799     ED_SELECTBOX_ID_PLAYER_SPEED,
2800     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2801     GADGET_ID_PLAYER_SPEED,             GADGET_ID_NONE,
2802     -1,
2803     options_player_speed,
2804     &level.initial_player_stepsize[0],
2805     NULL, "Initial player speed:", NULL,        "Select initial player speed"
2806   },
2807   {
2808     ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE,
2809     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2810     GADGET_ID_MM_BALL_CHOICE_MODE,      GADGET_ID_NONE,
2811     -1,
2812     options_group_choice_mode,
2813     &level.mm_ball_choice_mode,
2814     NULL, "Choice type:", NULL,         "Select type of content choice"
2815   },
2816
2817   // ---------- element settings: configure 1 (custom elements) ---------------
2818
2819   {
2820     ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE,
2821     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2822     GADGET_ID_CUSTOM_ACCESS_TYPE,       GADGET_ID_NONE,
2823     -1,
2824     options_access_type,
2825     &custom_element.access_type,
2826     NULL, NULL, NULL,                   "Select type of access to this field"
2827   },
2828   {
2829     ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER,
2830     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2831     GADGET_ID_CUSTOM_ACCESS_LAYER,      GADGET_ID_CUSTOM_ACCESS_TYPE,
2832     -1,
2833     options_access_layer,
2834     &custom_element.access_layer,
2835     NULL, NULL, NULL,                   "Select layer of access for this field"
2836   },
2837   {
2838     ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED,
2839     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2840     GADGET_ID_CUSTOM_ACCESS_PROTECTED,  GADGET_ID_CUSTOM_ACCESS_LAYER,
2841     -1,
2842     options_access_protected,
2843     &custom_element.access_protected,
2844     NULL, NULL, NULL,                   "Select protected access for this field"
2845   },
2846   {
2847     ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION,
2848     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2849     GADGET_ID_CUSTOM_ACCESS_DIRECTION,  GADGET_ID_NONE,
2850     -1,
2851     options_access_direction,
2852     &custom_element.access_direction,
2853     NULL, "from", NULL,                 "Select access direction for this field"
2854   },
2855   {
2856     ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION,
2857     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2858     GADGET_ID_CUSTOM_WALK_TO_ACTION,    GADGET_ID_NONE,
2859     -1,
2860     options_walk_to_action,
2861     &custom_element.walk_to_action,
2862     NULL, NULL, NULL,                   "Select diggable/collectible/pushable"
2863   },
2864
2865   // ---------- element settings: configure 2 (custom elements) ---------------
2866
2867   {
2868     ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN,
2869     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(1),
2870     GADGET_ID_CUSTOM_MOVE_PATTERN,      GADGET_ID_NONE,
2871     -1,
2872     options_move_pattern,
2873     &custom_element.move_pattern,
2874     NULL, "Can move", NULL,             "Select element move pattern"
2875   },
2876   {
2877     ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION,
2878     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2879     GADGET_ID_CUSTOM_MOVE_DIRECTION,    GADGET_ID_NONE,
2880     -1,
2881     options_move_direction,
2882     &custom_element.move_direction_initial,
2883     NULL, "Starts moving", NULL,        "Select initial element move direction"
2884   },
2885   {
2886     ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE,
2887     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2888     GADGET_ID_CUSTOM_MOVE_STEPSIZE,     GADGET_ID_NONE,
2889     -1,
2890     options_move_stepsize,
2891     &custom_element.move_stepsize,
2892     NULL, "Move/fall speed", NULL,      "Select speed of element movement"
2893   },
2894   {
2895     ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE,
2896     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2897     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,   GADGET_ID_NONE,
2898     -1,
2899     options_move_leave_type,
2900     &custom_element.move_leave_type,
2901     // left text with leading spaces to place gadget next to "can dig" gadget
2902     // (needed because drawing area gadgets created after selectbox gadgets)
2903     // NULL, "can dig:    can", ":",    "leave behind or change element"
2904     NULL, "            Can", ":",       "Select leave behind or change element"
2905   },
2906   {
2907     ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS,
2908     -1,                                 ED_ELEMENT_SETTINGS_YPOS(8),
2909     GADGET_ID_CUSTOM_SMASH_TARGETS,     GADGET_ID_CUSTOM_CAN_SMASH,
2910     -1,
2911     options_smash_targets,
2912     &custom_element.smash_targets,
2913     NULL, "Can smash", NULL,            "Select elements that can be smashed"
2914   },
2915   {
2916     ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE,
2917     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
2918     GADGET_ID_CUSTOM_SLIPPERY_TYPE,     GADGET_ID_NONE,
2919     -1,
2920     options_slippery_type,
2921     &custom_element.slippery_type,
2922     NULL, "Slippery", NULL,             "Select where other elements fall down"
2923   },
2924   {
2925     ED_SELECTBOX_ID_CUSTOM_DEADLINESS,
2926     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(10),
2927     GADGET_ID_CUSTOM_DEADLINESS,        GADGET_ID_NONE,
2928     -1,
2929     options_deadliness,
2930     &custom_element.deadliness,
2931     NULL, "Deadly when", NULL,          "Select deadliness of element"
2932   },
2933   {
2934     ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE,
2935     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(11),
2936     GADGET_ID_CUSTOM_EXPLOSION_TYPE,    GADGET_ID_NONE,
2937     -1,
2938     options_explosion_type,
2939     &custom_element.explosion_type,
2940     NULL, "Can explode", NULL,          "Select explosion type"
2941   },
2942
2943   // ---------- element settings: advanced (custom elements) ------------------
2944
2945   {
2946     ED_SELECTBOX_ID_CHANGE_TIME_UNITS,
2947     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(3),
2948     GADGET_ID_CHANGE_TIME_UNITS,        GADGET_ID_NONE,
2949     -1,
2950     options_time_units,
2951     &custom_element_change.delay_frames,
2952     NULL, "Delay time given in", NULL,  "Select delay time units for change"
2953   },
2954   {
2955     ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION,
2956     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(4),
2957     GADGET_ID_CHANGE_DIRECT_ACTION,     GADGET_ID_NONE,
2958     -1,
2959     options_change_direct_action,
2960     &custom_element_change.direct_action,
2961     NULL, NULL, NULL,                   "Select type of direct action"
2962   },
2963   {
2964     ED_SELECTBOX_ID_CHANGE_OTHER_ACTION,
2965     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(5),
2966     GADGET_ID_CHANGE_OTHER_ACTION,      GADGET_ID_NONE,
2967     -1,
2968     options_change_other_action,
2969     &custom_element_change.other_action,
2970     NULL, NULL, "element:",             "Select type of other element action"
2971   },
2972   {
2973     ED_SELECTBOX_ID_CHANGE_SIDE,
2974     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(6),
2975     GADGET_ID_CHANGE_SIDE,              GADGET_ID_NONE,
2976     -1,
2977     options_change_trigger_side,
2978     &custom_element_change.trigger_side,
2979     NULL, "at", "side",                 "Select element side triggering change"
2980   },
2981   {
2982     ED_SELECTBOX_ID_CHANGE_PLAYER,
2983     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2984     GADGET_ID_CHANGE_PLAYER,            GADGET_ID_NONE,
2985     -1,
2986     options_change_trigger_player,
2987     &custom_element_change.trigger_player,
2988     NULL, "Player:", " ",               "Select player that causes change"
2989   },
2990   {
2991     ED_SELECTBOX_ID_CHANGE_PAGE,
2992     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2993     GADGET_ID_CHANGE_PAGE,              GADGET_ID_CHANGE_PLAYER,
2994     -1,
2995     options_change_trigger_page,
2996     &custom_element_change.trigger_page,
2997     NULL, "Page:", NULL,                "Select change page that causes change"
2998   },
2999   {
3000     ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN,
3001     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(10),
3002     GADGET_ID_CHANGE_REPLACE_WHEN,      GADGET_ID_NONE,
3003     -1,
3004     options_change_replace_when,
3005     &custom_element_change.replace_when,
3006     NULL, "Replace when", NULL,         "Select which elements can be replaced"
3007   },
3008   {
3009     ED_SELECTBOX_ID_ACTION_TYPE,
3010     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
3011     GADGET_ID_ACTION_TYPE,              GADGET_ID_NONE,
3012     15,
3013     options_action_type,
3014     &custom_element_change.action_type,
3015     NULL, NULL, NULL,                   "Select action on specified condition"
3016   },
3017   {
3018     ED_SELECTBOX_ID_ACTION_MODE,
3019     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
3020     GADGET_ID_ACTION_MODE,              GADGET_ID_ACTION_TYPE,
3021     -1,
3022     options_action_mode_none,
3023     &custom_element_change.action_mode,
3024     NULL, NULL, NULL,                   "Select action operator"
3025   },
3026   {
3027     ED_SELECTBOX_ID_ACTION_ARG,
3028     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
3029     GADGET_ID_ACTION_ARG,               GADGET_ID_ACTION_MODE,
3030     -1,
3031     options_action_arg_none,
3032     &custom_element_change.action_arg,
3033     NULL, NULL, NULL,                   "Select action parameter"
3034   },
3035   {
3036     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE,
3037     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
3038     GADGET_ID_SELECT_CHANGE_PAGE,       GADGET_ID_NONE,
3039     3,
3040     options_change_page,
3041     &custom_element.current_change_page,
3042     NULL, NULL, NULL,                   "Select element change page"
3043   },
3044
3045   // ---------- element settings: configure (group elements) ------------------
3046
3047   {
3048     ED_SELECTBOX_ID_GROUP_CHOICE_MODE,
3049     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3050     GADGET_ID_GROUP_CHOICE_MODE,        GADGET_ID_NONE,
3051     -1,
3052     options_group_choice_mode,
3053     &group_element_info.choice_mode,
3054     NULL, "Choice type:", NULL,         "Select type of group element choice"
3055   },
3056 };
3057
3058 static struct
3059 {
3060   int gadget_type_id;
3061   int x, y;
3062   int gadget_id;
3063   int gadget_id_align;
3064   int size;
3065   char *text;
3066   char *text_above, *text_left, *text_right, *infotext;
3067 } textbutton_info[ED_NUM_TEXTBUTTONS] =
3068 {
3069   // ---------- level and editor settings (tabs) ------------------------------
3070
3071   {
3072     ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL,
3073     ED_LEVEL_TABS_XPOS(0),              ED_LEVEL_TABS_YPOS(0),
3074     GADGET_ID_LEVELCONFIG_LEVEL,        GADGET_ID_NONE,
3075     8,                                  "Level",
3076     NULL, NULL, NULL,                   "Configure level settings"
3077   },
3078   {
3079     ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET,
3080     -1,                                 -1,
3081     GADGET_ID_LEVELCONFIG_LEVELSET,     GADGET_ID_LEVELCONFIG_LEVEL,
3082     8,                                  "Levelset",
3083     NULL, NULL, NULL,                   "Update this or create new level set"
3084   },
3085   {
3086     ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR,
3087     -1,                                 -1,
3088     GADGET_ID_LEVELCONFIG_EDITOR,       GADGET_ID_LEVELCONFIG_LEVELSET,
3089     8,                                  "Editor",
3090     NULL, NULL, NULL,                   "Configure editor settings"
3091   },
3092   {
3093     ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE,
3094     -1,                                 -1,
3095     GADGET_ID_LEVELCONFIG_ENGINE,       GADGET_ID_LEVELCONFIG_EDITOR,
3096     8,                                  "Engine",
3097     NULL, NULL, NULL,                   "Configure engine settings"
3098   },
3099
3100   // ---------- element settings (tabs) ---------------------------------------
3101
3102   {
3103     ED_TEXTBUTTON_ID_PROPERTIES_INFO,
3104     ED_ELEMENT_TABS_XPOS(0),            ED_ELEMENT_TABS_YPOS(0),
3105     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
3106     8,                                  "Info",
3107     NULL, NULL, NULL,                   "Show information about element"
3108   },
3109   {
3110     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG,
3111     -1,                                 -1,
3112     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_PROPERTIES_INFO,
3113     8,                                  "Config",
3114     NULL, NULL, NULL,                   "Configure element properties"
3115   },
3116   {
3117     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1,
3118     -1,                                 -1,
3119     GADGET_ID_PROPERTIES_CONFIG_1,      GADGET_ID_PROPERTIES_INFO,
3120     8,                                  "Config 1",
3121     NULL, NULL, NULL,                   "Configure element properties, part 1"
3122   },
3123   {
3124     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2,
3125     -1,                                 -1,
3126     GADGET_ID_PROPERTIES_CONFIG_2,      GADGET_ID_PROPERTIES_CONFIG_1,
3127     8,                                  "Config 2",
3128     NULL, NULL, NULL,                   "Configure element properties, part 2"
3129   },
3130   {
3131     ED_TEXTBUTTON_ID_PROPERTIES_CHANGE,
3132     -1,                                 -1,
3133     GADGET_ID_PROPERTIES_CHANGE,        GADGET_ID_PROPERTIES_CONFIG_2,
3134     8,                                  "Change",
3135     NULL, NULL, NULL,                   "Configure custom element change pages"
3136   },
3137
3138   // ---------- level and editor settings (buttons) ---------------------------
3139
3140   {
3141     ED_TEXTBUTTON_ID_SAVE_LEVELSET,
3142     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
3143     GADGET_ID_SAVE_LEVELSET,            GADGET_ID_LEVELSET_SAVE_MODE,
3144     -1,                                 "Save",
3145     NULL, NULL, NULL,                   "Update or create level set"
3146   },
3147   {
3148     ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2,
3149     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
3150     GADGET_ID_SAVE_AS_TEMPLATE_2,       GADGET_ID_NONE,
3151     -1,                                 "Save",
3152     NULL, NULL,                         "this level as level template",
3153     "Save current settings as new template"
3154   },
3155
3156   // ---------- element settings (buttons) ------------------------------------
3157
3158   {
3159     ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1,
3160     -1,                                 -1,
3161     GADGET_ID_SAVE_AS_TEMPLATE_1,       GADGET_ID_CUSTOM_USE_TEMPLATE_1,
3162     -1,                                 "Save",
3163     NULL, " ",                          "As Template",
3164     "Save current settings as new template"
3165   },
3166   {
3167     ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE,
3168     -1,                                 -1,
3169     GADGET_ID_ADD_CHANGE_PAGE,          GADGET_ID_PASTE_CHANGE_PAGE,
3170     -1,                                 "New",
3171     NULL, NULL, NULL,                   "Add new change page"
3172   },
3173   {
3174     ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE,
3175     -1,                                 -1,
3176     GADGET_ID_DEL_CHANGE_PAGE,          GADGET_ID_ADD_CHANGE_PAGE,
3177     -1,                                 "Delete",
3178     NULL, NULL, NULL,                   "Delete current change page"
3179   },
3180 };
3181
3182 static struct
3183 {
3184   int gadget_type_id;
3185   int graphic;
3186   int x, y;
3187   int gadget_id;
3188   int gadget_id_align;
3189   char *text_left, *text_right, *infotext;
3190 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
3191 {
3192   {
3193     ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE,
3194     IMG_EDITOR_COUNTER_DOWN,
3195     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3196     GADGET_ID_PREV_CHANGE_PAGE,         GADGET_ID_NONE,
3197     NULL, NULL,                         "Select previous change page"
3198   },
3199   {
3200     ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE,
3201     IMG_EDITOR_COUNTER_UP,
3202     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
3203     GADGET_ID_NEXT_CHANGE_PAGE,         GADGET_ID_SELECT_CHANGE_PAGE,
3204     NULL, "Change page",                "Select next change page"
3205   },
3206   {
3207     ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE,
3208     IMG_GFX_EDITOR_BUTTON_CP_COPY,
3209     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
3210     GADGET_ID_COPY_CHANGE_PAGE,         GADGET_ID_NEXT_CHANGE_PAGE,
3211     " ", NULL,                          "Copy settings from this change page"
3212   },
3213   {
3214     ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE,
3215     IMG_GFX_EDITOR_BUTTON_CP_PASTE,
3216     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
3217     GADGET_ID_PASTE_CHANGE_PAGE,        GADGET_ID_COPY_CHANGE_PAGE,
3218     NULL, NULL,                         "Paste settings to this change page"
3219   },
3220 };
3221
3222 static struct
3223 {
3224   int x, y;
3225 } scrollbutton_pos[ED_NUM_SCROLLBUTTONS];
3226
3227 static struct
3228 {
3229   int gadget_type_id;
3230   int graphic;
3231   int gadget_id;
3232   char *infotext;
3233 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
3234 {
3235   {
3236     ED_SCROLLBUTTON_ID_AREA_UP,
3237     IMG_EDITOR_PLAYFIELD_SCROLL_UP,
3238     GADGET_ID_SCROLL_UP,
3239     "Scroll level editing area up"
3240   },
3241   {
3242     ED_SCROLLBUTTON_ID_AREA_DOWN,
3243     IMG_EDITOR_PLAYFIELD_SCROLL_DOWN,
3244     GADGET_ID_SCROLL_DOWN,
3245     "Scroll level editing area down"
3246   },
3247   {
3248     ED_SCROLLBUTTON_ID_AREA_LEFT,
3249     IMG_EDITOR_PLAYFIELD_SCROLL_LEFT,
3250     GADGET_ID_SCROLL_LEFT,
3251     "Scroll level editing area left"
3252   },
3253   {
3254     ED_SCROLLBUTTON_ID_AREA_RIGHT,
3255     IMG_EDITOR_PLAYFIELD_SCROLL_RIGHT,
3256     GADGET_ID_SCROLL_RIGHT,
3257     "Scroll level editing area right"
3258   },
3259   {
3260     ED_SCROLLBUTTON_ID_LIST_UP,
3261     IMG_EDITOR_PALETTE_SCROLL_UP,
3262     GADGET_ID_SCROLL_LIST_UP,
3263     "Scroll element list up ('Page Up')"
3264   },
3265   {
3266     ED_SCROLLBUTTON_ID_LIST_DOWN,
3267     IMG_EDITOR_PALETTE_SCROLL_DOWN,
3268     GADGET_ID_SCROLL_LIST_DOWN,
3269     "Scroll element list down ('Page Down')"
3270   },
3271 };
3272
3273 static struct
3274 {
3275   int x, y;
3276   int width, height;
3277   int wheel_x, wheel_y;
3278   int wheel_width, wheel_height;
3279 } scrollbar_pos[ED_NUM_SCROLLBARS];
3280
3281 static struct
3282 {
3283   int gadget_type_id;
3284   int graphic;
3285   int type;
3286   int gadget_id;
3287   char *infotext;
3288 } scrollbar_info[ED_NUM_SCROLLBARS] =
3289 {
3290   {
3291     ED_SCROLLBAR_ID_AREA_HORIZONTAL,
3292     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
3293     GD_TYPE_SCROLLBAR_HORIZONTAL,
3294     GADGET_ID_SCROLL_HORIZONTAL,
3295     "Scroll level editing area horizontally"
3296   },
3297   {
3298     ED_SCROLLBAR_ID_AREA_VERTICAL,
3299     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
3300     GD_TYPE_SCROLLBAR_VERTICAL,
3301     GADGET_ID_SCROLL_VERTICAL,
3302     "Scroll level editing area vertically"
3303   },
3304   {
3305     ED_SCROLLBAR_ID_LIST_VERTICAL,
3306     IMG_EDITOR_PALETTE_SCROLLBAR,
3307     GD_TYPE_SCROLLBAR_VERTICAL,
3308     GADGET_ID_SCROLL_LIST_VERTICAL,
3309     "Scroll element list vertically"
3310   }
3311 };
3312
3313
3314 static struct
3315 {
3316   int gadget_type_id;
3317   int x, y;
3318   int gadget_id;
3319   int gadget_id_align;
3320   int radio_button_nr;
3321   int *value;
3322   int checked_value;
3323   char *text_left, *text_right, *infotext;
3324 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
3325 {
3326   {
3327     ED_RADIOBUTTON_ID_PERCENTAGE,
3328     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
3329     GADGET_ID_RANDOM_PERCENTAGE,        GADGET_ID_LEVEL_RANDOM_UP,
3330     RADIO_NR_RANDOM_ELEMENTS,
3331     &random_placement_method,           RANDOM_USE_PERCENTAGE,
3332     " ", "percentage",                  "Use percentage for random elements"
3333   },
3334   {
3335     ED_RADIOBUTTON_ID_QUANTITY,
3336     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
3337     GADGET_ID_RANDOM_QUANTITY,          GADGET_ID_RANDOM_PERCENTAGE,
3338     RADIO_NR_RANDOM_ELEMENTS,
3339     &random_placement_method,           RANDOM_USE_QUANTITY,
3340     " ", "quantity",                    "Use quantity for random elements"
3341   }
3342 };
3343
3344 static struct
3345 {
3346   int gadget_type_id;
3347   int x, y;
3348   int gadget_id;
3349   int gadget_id_align;
3350   boolean *value;
3351   char *text_above, *text_left, *text_right, *infotext;
3352 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
3353 {
3354   // ---------- level and editor settings -------------------------------------
3355
3356   {
3357     ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS,
3358     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
3359     GADGET_ID_AUTO_COUNT_GEMS,          GADGET_ID_NONE,
3360     &level.auto_count_gems,
3361     NULL, NULL,
3362     "Automatically count gems needed",  "Set counter to number of gems"
3363   },
3364   {
3365     ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE,
3366     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(11),
3367     GADGET_ID_RATE_TIME_OVER_SCORE,     GADGET_ID_NONE,
3368     &level.rate_time_over_score,
3369     NULL, NULL,
3370     "Rate time/steps used over score",  "Sort high scores by playing time/steps"
3371   },
3372   {
3373     ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK,
3374     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(7),
3375     GADGET_ID_USE_LEVELSET_ARTWORK,     GADGET_ID_NONE,
3376     &levelset_use_levelset_artwork,
3377     NULL, NULL,
3378     "Use current custom artwork",       "Use custom artwork of this level set"
3379   },
3380   {
3381     ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE,
3382     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
3383     GADGET_ID_COPY_LEVEL_TEMPLATE,      GADGET_ID_NONE,
3384     &levelset_copy_level_template,
3385     NULL, NULL,
3386     "Copy current level template",      "Copy level template of this level set"
3387   },
3388   {
3389     ED_CHECKBUTTON_ID_RANDOM_RESTRICTED,
3390     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
3391     GADGET_ID_RANDOM_RESTRICTED,        GADGET_ID_NONE,
3392     &random_placement_background_restricted,
3393     NULL, NULL,
3394     "Restrict random placement to:",    "Set random placement restriction"
3395   },
3396   {
3397     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3,
3398     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
3399     GADGET_ID_CUSTOM_USE_TEMPLATE_3,    GADGET_ID_NONE,
3400     &setup.editor.use_template_for_new_levels,
3401     "Template for new levels and CE/GE:", NULL,
3402     "Use template for new levels",      "Use template for level properties"
3403   },
3404   {
3405     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2,
3406     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
3407     GADGET_ID_CUSTOM_USE_TEMPLATE_2,    GADGET_ID_NONE,
3408     &level.use_custom_template,
3409     NULL, NULL,
3410     "Use template for custom elements", "Use template for custom properties"
3411   },
3412   {
3413     ED_CHECKBUTTON_ID_BD_INTERMISSION,
3414     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
3415     GADGET_ID_BD_INTERMISSION,          GADGET_ID_NONE,
3416     &level.bd_intermission,
3417     "Boulder Dash game engine settings:", NULL,
3418     "Intermission",                     "Level is an intermission level"
3419   },
3420   {
3421     ED_CHECKBUTTON_ID_BD_PAL_TIMING,
3422     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
3423     GADGET_ID_BD_PAL_TIMING,            GADGET_ID_NONE,
3424     &level.bd_pal_timing,
3425     NULL, NULL,
3426     "PAL timing",                       "Use slower timer (like PAL C64)"
3427   },
3428   {
3429     ED_CHECKBUTTON_ID_BD_LINE_SHIFTING_BORDERS,
3430     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
3431     GADGET_ID_BD_LINE_SHIFTING_BORDERS, GADGET_ID_NONE,
3432     &level.bd_line_shifting_borders,
3433     "Compatibility settings:", NULL,
3434     "Line-shifting borders",            "Use line-shifting wrap-around"
3435   },
3436   {
3437     ED_CHECKBUTTON_ID_BD_SCAN_FIRST_AND_LAST_ROW,
3438     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(7),
3439     GADGET_ID_BD_SCAN_FIRST_AND_LAST_ROW, GADGET_ID_NONE,
3440     &level.bd_scan_first_and_last_row,
3441     NULL, NULL,
3442     "Scan first and last row",          "Also process top/bottom border rows"
3443   },
3444   {
3445     ED_CHECKBUTTON_ID_BD_SHORT_EXPLOSIONS,
3446     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
3447     GADGET_ID_BD_SHORT_EXPLOSIONS,      GADGET_ID_NONE,
3448     &level.bd_short_explosions,
3449     NULL, NULL,
3450     "Short explosions",                 "Use four game cycles for explosions"
3451   },
3452   {
3453     ED_CHECKBUTTON_ID_BD_GRAVITY_AFFECTS_ALL,
3454     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(9),
3455     GADGET_ID_BD_GRAVITY_AFFECTS_ALL,   GADGET_ID_NONE,
3456     &level.bd_gravity_affects_all,
3457     NULL, NULL,
3458     "Gravity change affects everything", "Gravity affects all falling objects"
3459   },
3460
3461   // ---------- element settings: configure (various elements) ----------------
3462
3463   {
3464     ED_CHECKBUTTON_ID_STICK_ELEMENT,
3465     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3466     GADGET_ID_STICK_ELEMENT,            GADGET_ID_NONE,
3467     &stick_element_properties_window,
3468     NULL, NULL,
3469     "Stick this screen to edit content","Stick this screen to edit content"
3470   },
3471   {
3472     ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS,
3473     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3474     GADGET_ID_EM_SLIPPERY_GEMS,         GADGET_ID_NONE,
3475     &level.em_slippery_gems,
3476     NULL, NULL,
3477     "Slip down from certain flat walls","Use EM/DC style slipping behaviour"
3478   },
3479   {
3480     ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE,
3481     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3482     GADGET_ID_EM_EXPLODES_BY_FIRE,      GADGET_ID_NONE,
3483     &level.em_explodes_by_fire,
3484     NULL, NULL,
3485     "Explodes with chain reaction",     "Use R'n'D style explosion behaviour"
3486   },
3487   {
3488     ED_CHECKBUTTON_ID_USE_SPRING_BUG,
3489     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3490     GADGET_ID_USE_SPRING_BUG,           GADGET_ID_NONE,
3491     &level.use_spring_bug,
3492     NULL, NULL,
3493     "Use spring pushing bug",           "Use odd spring pushing behaviour"
3494   },
3495   {
3496     ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG,
3497     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3498     GADGET_ID_USE_TIME_ORB_BUG,         GADGET_ID_NONE,
3499     &level.use_time_orb_bug,
3500     NULL, NULL,
3501     "Use time orb bug",                 "Use odd time orb behaviour"
3502   },
3503   {
3504     ED_CHECKBUTTON_ID_USE_LIFE_BUGS,
3505     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3506     GADGET_ID_USE_LIFE_BUGS,            GADGET_ID_NONE,
3507     &level.use_life_bugs,
3508     NULL, NULL,
3509     "Use buggy element behaviour",      "Use odd (historic) element behaviour"
3510   },
3511   {
3512     ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT,
3513     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3514     GADGET_ID_RANDOM_BALL_CONTENT,      GADGET_ID_NONE,
3515     &level.ball_random,
3516     NULL, NULL,
3517     "Create single random element",     "Only create one element from content"
3518   },
3519   {
3520     ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE,
3521     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3522     GADGET_ID_INITIAL_BALL_ACTIVE,      GADGET_ID_NONE,
3523     &level.ball_active_initial,
3524     NULL, NULL,
3525     "Magic ball initially activated",   "Activate magic ball after level start"
3526   },
3527   {
3528     ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE,
3529     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3530     GADGET_ID_GROW_INTO_DIGGABLE,       GADGET_ID_NONE,
3531     &level.grow_into_diggable,
3532     NULL, NULL,
3533     "Can grow into anything diggable",  "Grow into more than just sand"
3534   },
3535   {
3536     ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED,
3537     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3538     GADGET_ID_SB_FIELDS_NEEDED,         GADGET_ID_NONE,
3539     &level.sb_fields_needed,
3540     NULL, NULL,
3541     "All fields need to be filled",     "Require all SB fields to be solved"
3542   },
3543   {
3544     ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED,
3545     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3546     GADGET_ID_SB_OBJECTS_NEEDED,        GADGET_ID_NONE,
3547     &level.sb_objects_needed,
3548     NULL, NULL,
3549     "All objects need to be placed",    "Require all SB objects to be solved"
3550   },
3551   {
3552     ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN,
3553     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3554     GADGET_ID_AUTO_EXIT_SOKOBAN,        GADGET_ID_NONE,
3555     &level.auto_exit_sokoban,
3556     NULL, NULL,
3557     "Exit level if all tasks solved",   "Automatically finish Sokoban levels"
3558   },
3559   {
3560     ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER,
3561     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3562     GADGET_ID_SOLVED_BY_ONE_PLAYER,     GADGET_ID_NONE,
3563     &level.solved_by_one_player,
3564     NULL, NULL,
3565     "Only one player must enter exit",  "Level solved by first player in exit"
3566   },
3567   {
3568     ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT,
3569     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3570     GADGET_ID_FINISH_DIG_COLLECT,       GADGET_ID_NONE,
3571     &level.finish_dig_collect,
3572     NULL, NULL,
3573     "CE action on finished dig/collect", "Only finished dig/collect triggers CE"
3574   },
3575   {
3576     ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE,
3577     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3578     GADGET_ID_KEEP_WALKABLE_CE,         GADGET_ID_NONE,
3579     &level.keep_walkable_ce,
3580     NULL, NULL,
3581     "Keep walkable CE changed to player", "Keep CE changing to player if walkable"
3582   },
3583   {
3584     ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING,
3585     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3586     GADGET_ID_CONTINUOUS_SNAPPING,      GADGET_ID_NONE,
3587     &level.continuous_snapping,
3588     NULL, NULL,
3589     "Continuous snapping",              "Use snapping without releasing key"
3590   },
3591   {
3592     ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD,
3593     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3594     GADGET_ID_BLOCK_SNAP_FIELD,         GADGET_ID_NONE,
3595     &level.block_snap_field,
3596     NULL, NULL,
3597     "Block snapped field when snapping", "Use snapping delay to show animation"
3598   },
3599   {
3600     ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD,
3601     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3602     GADGET_ID_BLOCK_LAST_FIELD,         GADGET_ID_NONE,
3603     &level.block_last_field,
3604     NULL, NULL,
3605     "Block last field when moving",     "Player blocks last field when moving"
3606   },
3607   {
3608     ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD,
3609     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3610     GADGET_ID_SP_BLOCK_LAST_FIELD,      GADGET_ID_NONE,
3611     &level.sp_block_last_field,
3612     NULL, NULL,
3613     "Block last field when moving",     "Player blocks last field when moving"
3614   },
3615   {
3616     ED_CHECKBUTTON_ID_INSTANT_RELOCATION,
3617     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3618     GADGET_ID_INSTANT_RELOCATION,       GADGET_ID_NONE,
3619     &level.instant_relocation,
3620     NULL, NULL,
3621     "No scrolling when relocating",     "Player gets relocated without delay"
3622   },
3623   {
3624     ED_CHECKBUTTON_ID_SHIFTED_RELOCATION,
3625     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3626     GADGET_ID_SHIFTED_RELOCATION,       GADGET_ID_NONE,
3627     &level.shifted_relocation,
3628     NULL, NULL,
3629     "No centering when relocating",     "Level not centered after relocation"
3630   },
3631   {
3632     ED_CHECKBUTTON_ID_LAZY_RELOCATION,
3633     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3634     GADGET_ID_LAZY_RELOCATION,          GADGET_ID_NONE,
3635     &level.lazy_relocation,
3636     NULL, NULL,
3637     "Only redraw off-screen relocation","No redraw if relocation target visible"
3638   },
3639   {
3640     ED_CHECKBUTTON_ID_USE_START_ELEMENT,
3641     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3642     GADGET_ID_USE_START_ELEMENT,        GADGET_ID_NONE,
3643     &level.use_start_element[0],
3644     NULL, NULL,
3645     "Use level start element:",        "Start level at this element's position"
3646   },
3647   {
3648     ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT,
3649     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3650     GADGET_ID_USE_ARTWORK_ELEMENT,      GADGET_ID_NONE,
3651     &level.use_artwork_element[0],
3652     NULL, NULL,
3653     "Use artwork from element:",        "Use player artwork from other element"
3654   },
3655   {
3656     ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT,
3657     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
3658     GADGET_ID_USE_EXPLOSION_ELEMENT,    GADGET_ID_NONE,
3659     &level.use_explosion_element[0],
3660     NULL, NULL,
3661     "Use explosion from element:",      "Use explosion properties from element"
3662   },
3663   {
3664     ED_CHECKBUTTON_ID_INITIAL_GRAVITY,
3665     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3666     GADGET_ID_INITIAL_GRAVITY,          GADGET_ID_NONE,
3667     &level.initial_player_gravity[0],
3668     NULL, NULL,
3669     "Use initial gravity",              "Set initial player gravity"
3670   },
3671   {
3672     ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY,
3673     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3674     GADGET_ID_USE_INITIAL_INVENTORY,    GADGET_ID_NONE,
3675     &level.use_initial_inventory[0],
3676     NULL, NULL,
3677     "Use initial inventory:",           "Use collected elements on level start"
3678   },
3679   {
3680     ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE,
3681     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
3682     GADGET_ID_CAN_PASS_TO_WALKABLE,     GADGET_ID_NONE,
3683     &level.can_pass_to_walkable,
3684     NULL, NULL,
3685     "Can pass to walkable element",     "Player can pass to empty or walkable"
3686   },
3687   {
3688     ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID,
3689     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3690     GADGET_ID_CAN_FALL_INTO_ACID,       GADGET_ID_NONE,
3691     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3692     NULL, NULL,
3693     "Can fall into acid (with gravity)","Player can fall into acid pool"
3694   },
3695   {
3696     ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID,
3697     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3698     GADGET_ID_CAN_MOVE_INTO_ACID,       GADGET_ID_NONE,
3699     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3700     NULL, NULL,
3701     "Can move into acid",               "Element can move into acid pool"
3702   },
3703   {
3704     ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH,
3705     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3706     GADGET_ID_DONT_COLLIDE_WITH,        GADGET_ID_NONE,
3707     &custom_element_properties[EP_DONT_COLLIDE_WITH],
3708     NULL, NULL,
3709     "Deadly when colliding with",       "Element is deadly when hitting player"
3710   },
3711   {
3712     ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS,
3713     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3714     GADGET_ID_BD_DIAGONAL_MOVEMENTS,    GADGET_ID_NONE,
3715     &level.bd_diagonal_movements,
3716     NULL, NULL,
3717     "Can move diagonally",              "Player can move diagonally"
3718   },
3719   {
3720     ED_CHECKBUTTON_ID_BD_TOPMOST_PLAYER_ACTIVE,
3721     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3722     GADGET_ID_BD_TOPMOST_PLAYER_ACTIVE, GADGET_ID_NONE,
3723     &level.bd_topmost_player_active,
3724     NULL, NULL,
3725     "Topmost player is active",         "Use first player found on playfield"
3726   },
3727   {
3728     ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,
3729     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3730     GADGET_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET, GADGET_ID_NONE,
3731     &level.bd_push_mega_rock_with_sweet,
3732     NULL, NULL,
3733     "Mega rocks pushable with sweet",   "Push mega rocks after eating sweet"
3734   },
3735   {
3736     ED_CHECKBUTTON_ID_BD_MAGIC_WALL_WAIT_HATCHING,
3737     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3738     GADGET_ID_BD_MAGIC_WALL_WAIT_HATCHING, GADGET_ID_NONE,
3739     &level.bd_magic_wall_wait_hatching,
3740     NULL, NULL,
3741     "Wait for player's birth",          "Timer start waits for player's birth"
3742   },
3743   {
3744     ED_CHECKBUTTON_ID_BD_MAGIC_WALL_STOPS_AMOEBA,
3745     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3746     GADGET_ID_BD_MAGIC_WALL_STOPS_AMOEBA, GADGET_ID_NONE,
3747     &level.bd_magic_wall_stops_amoeba,
3748     NULL, NULL,
3749     "Turn amoeba to diamonds",          "Activation changes amoeba to diamonds"
3750   },
3751   {
3752     ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING,
3753     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3754     GADGET_ID_BD_AMOEBA_WAIT_FOR_HATCHING, GADGET_ID_NONE,
3755     &level.bd_amoeba_wait_for_hatching,
3756     NULL, NULL,
3757     "Wait for player's birth",          "Timer start waits for player's birth"
3758   },
3759   {
3760     ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY,
3761     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3762     GADGET_ID_BD_AMOEBA_START_IMMEDIATELY, GADGET_ID_NONE,
3763     &level.bd_amoeba_start_immediately,
3764     NULL, NULL,
3765     "Start growing immediately",        "Start slow growth time immediately"
3766   },
3767   {
3768     ED_CHECKBUTTON_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,
3769     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3770     GADGET_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA, GADGET_ID_NONE,
3771     &level.bd_amoeba_2_explode_by_amoeba,
3772     NULL, NULL,
3773     "Explodes if touched by amoeba",    "Amoeba 2 explodes if touched by amoeba"
3774   },
3775   {
3776     ED_CHECKBUTTON_ID_BD_VOODOO_COLLECTS_DIAMONDS,
3777     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3778     GADGET_ID_BD_VOODOO_COLLECTS_DIAMONDS, GADGET_ID_NONE,
3779     &level.bd_voodoo_collects_diamonds,
3780     NULL, NULL,
3781     "Can collect diamonds",             "Can collect diamonds for the player"
3782   },
3783   {
3784     ED_CHECKBUTTON_ID_BD_VOODOO_HURT_KILLS_PLAYER,
3785     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3786     GADGET_ID_BD_VOODOO_HURT_KILLS_PLAYER, GADGET_ID_NONE,
3787     &level.bd_voodoo_hurt_kills_player,
3788     NULL, NULL,
3789     "Player is killed if hurt",         "If hurt in any way, player is killed"
3790   },
3791   {
3792     ED_CHECKBUTTON_ID_BD_VOODOO_DIES_BY_ROCK,
3793     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3794     GADGET_ID_BD_VOODOO_DIES_BY_ROCK,   GADGET_ID_NONE,
3795     &level.bd_voodoo_dies_by_rock,
3796     NULL, NULL,
3797     "Killed by falling rock",           "Can be killed by a falling rock"
3798   },
3799   {
3800     ED_CHECKBUTTON_ID_BD_VOODOO_VANISH_BY_EXPLOSION,
3801     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3802     GADGET_ID_BD_VOODOO_VANISH_BY_EXPLOSION, GADGET_ID_NONE,
3803     &level.bd_voodoo_vanish_by_explosion,
3804     NULL, NULL,
3805     "Disappears in explosions",         "Can be destroyed by explosions"
3806   },
3807   {
3808     ED_CHECKBUTTON_ID_BD_SLIME_IS_PREDICTABLE,
3809     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3810     GADGET_ID_BD_SLIME_IS_PREDICTABLE, GADGET_ID_NONE,
3811     &level.bd_slime_is_predictable,
3812     NULL, NULL,
3813     "Slime is predictable",             "Use predictable random numbers"
3814   },
3815   {
3816     ED_CHECKBUTTON_ID_BD_CHANGE_EXPANDING_WALL,
3817     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3818     GADGET_ID_BD_CHANGE_EXPANDING_WALL, GADGET_ID_NONE,
3819     &level.bd_change_expanding_wall,
3820     NULL, NULL,
3821     "Change direction",                 "Switch horizontal/vertical direction"
3822   },
3823   {
3824     ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP,
3825     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3826     GADGET_ID_ENVELOPE_AUTOWRAP,        GADGET_ID_NONE,
3827     &level.envelope[0].autowrap,
3828     NULL, NULL,
3829     "Auto-wrap",                        "Automatically wrap envelope text"
3830   },
3831   {
3832     ED_CHECKBUTTON_ID_ENVELOPE_CENTERED,
3833     -1,                                 ED_ELEMENT_SETTINGS_YPOS(1),
3834     GADGET_ID_ENVELOPE_CENTERED,        GADGET_ID_ENVELOPE_AUTOWRAP,
3835     &level.envelope[0].centered,
3836     NULL, " ",
3837     "Centered",                         "Automatically center envelope text"
3838   },
3839   {
3840     ED_CHECKBUTTON_ID_MM_LASER_RED,
3841     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3842     GADGET_ID_MM_LASER_RED,             GADGET_ID_NONE,
3843     &level.mm_laser_red,
3844     "Choose color components for laser:", NULL,
3845     "Red",                              "Use red color components in laser"
3846   },
3847   {
3848     ED_CHECKBUTTON_ID_MM_LASER_GREEN,
3849     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3850     GADGET_ID_MM_LASER_GREEN,           GADGET_ID_NONE,
3851     &level.mm_laser_green,
3852     NULL, NULL,
3853     "Green",                            "Use green color components in laser"
3854   },
3855   {
3856     ED_CHECKBUTTON_ID_MM_LASER_BLUE,
3857     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3858     GADGET_ID_MM_LASER_BLUE,            GADGET_ID_NONE,
3859     &level.mm_laser_blue,
3860     NULL, NULL,
3861     "Blue",                             "Use blue color components in laser"
3862   },
3863   {
3864     ED_CHECKBUTTON_ID_DF_LASER_RED,
3865     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3866     GADGET_ID_DF_LASER_RED,             GADGET_ID_NONE,
3867     &level.df_laser_red,
3868     "Choose color components for laser:", NULL,
3869     "Red",                              "Use red color components in laser"
3870   },
3871   {
3872     ED_CHECKBUTTON_ID_DF_LASER_GREEN,
3873     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3874     GADGET_ID_DF_LASER_GREEN,           GADGET_ID_NONE,
3875     &level.df_laser_green,
3876     NULL, NULL,
3877     "Green",                            "Use green color components in laser"
3878   },
3879   {
3880     ED_CHECKBUTTON_ID_DF_LASER_BLUE,
3881     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3882     GADGET_ID_DF_LASER_BLUE,            GADGET_ID_NONE,
3883     &level.df_laser_blue,
3884     NULL, NULL,
3885     "Blue",                             "Use blue color components in laser"
3886   },
3887   {
3888     ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT,
3889     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3890     GADGET_ID_ROTATE_MM_BALL_CONTENT,   GADGET_ID_NONE,
3891     &level.rotate_mm_ball_content,
3892     NULL, NULL,
3893     "Randomly rotate created content",  "Randomly rotate newly created content"
3894   },
3895   {
3896     ED_CHECKBUTTON_ID_EXPLODE_MM_BALL,
3897     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
3898     GADGET_ID_EXPLODE_MM_BALL,          GADGET_ID_NONE,
3899     &level.explode_mm_ball,
3900     NULL, NULL,
3901     "Explode ball instead of melting",  "Use explosion to release ball content"
3902   },
3903
3904   // ---------- element settings: configure 1 (custom elements) ---------------
3905
3906   {
3907     ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC,
3908     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3909     GADGET_ID_CUSTOM_USE_GRAPHIC,       GADGET_ID_NONE,
3910     &custom_element.use_gfx_element,
3911     NULL, NULL,
3912     "Use graphic of element:",          "Use existing element graphic"
3913   },
3914   {
3915     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1,
3916     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3917     GADGET_ID_CUSTOM_USE_TEMPLATE_1,    GADGET_ID_NONE,
3918     &level.use_custom_template,
3919     NULL, NULL,
3920     "Use template",                     "Use template for custom properties"
3921   },
3922   {
3923     ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE,
3924     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3925     GADGET_ID_CUSTOM_ACCESSIBLE,        GADGET_ID_NONE,
3926     &custom_element_properties[EP_ACCESSIBLE],
3927     NULL, NULL,
3928     NULL,                               "Player can walk to or pass this field"
3929   },
3930   {
3931     ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE,
3932     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3933     GADGET_ID_CUSTOM_GRAV_REACHABLE,    GADGET_ID_NONE,
3934     &custom_element_properties[EP_GRAVITY_REACHABLE],
3935     NULL, NULL,
3936     "Reachable despite gravity",        "Player can walk/dig despite gravity"
3937   },
3938   {
3939     ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE,
3940     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3941     GADGET_ID_CUSTOM_USE_LAST_VALUE,    GADGET_ID_NONE,
3942     &custom_element.use_last_ce_value,
3943     NULL, NULL,
3944     "Use last CE value after change",   "Use last CE value after change"
3945   },
3946   {
3947     ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT,
3948     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3949     GADGET_ID_CUSTOM_WALK_TO_OBJECT,    GADGET_ID_NONE,
3950     &custom_element_properties[EP_WALK_TO_OBJECT],
3951     NULL, NULL,
3952     NULL,                               "Player can dig/collect/push element"
3953   },
3954   {
3955     ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE,
3956     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3957     GADGET_ID_CUSTOM_INDESTRUCTIBLE,    GADGET_ID_NONE,
3958     &custom_element_properties[EP_INDESTRUCTIBLE],
3959     NULL, NULL,
3960     "Indestructible",                   "Element is indestructible"
3961   },
3962
3963   // ---------- element settings: configure 2 (custom elements) ---------------
3964
3965   {
3966     ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE,
3967     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3968     GADGET_ID_CUSTOM_CAN_MOVE,          GADGET_ID_NONE,
3969     &custom_element_properties[EP_CAN_MOVE],
3970     NULL, NULL,
3971     NULL,                               "Element can move with some pattern"
3972   },
3973   {
3974     ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL,
3975     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3976     GADGET_ID_CUSTOM_CAN_FALL,          GADGET_ID_NONE,
3977     &custom_element_properties[EP_CAN_FALL],
3978     NULL, NULL,
3979     "Can fall",                         "Element can fall down"
3980   },
3981   {
3982     ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH,
3983     -1,                                 ED_ELEMENT_SETTINGS_YPOS(8),
3984     GADGET_ID_CUSTOM_CAN_SMASH,         GADGET_ID_CUSTOM_CAN_FALL,
3985     &custom_element_properties[EP_CAN_SMASH],
3986     NULL, " ",
3987     NULL,                               "Element can smash other elements"
3988   },
3989   {
3990     ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY,
3991     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3992     GADGET_ID_CUSTOM_SLIPPERY,          GADGET_ID_NONE,
3993     &custom_element_properties[EP_SLIPPERY],
3994     NULL, NULL,
3995     NULL,                               "Other elements can fall down from it"
3996   },
3997   {
3998     ED_CHECKBUTTON_ID_CUSTOM_DEADLY,
3999     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
4000     GADGET_ID_CUSTOM_DEADLY,            GADGET_ID_NONE,
4001     &custom_element_properties[EP_DEADLY],
4002     NULL, NULL,
4003     NULL,                               "Element can kill the player"
4004   },
4005   {
4006     ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE,
4007     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
4008     GADGET_ID_CUSTOM_CAN_EXPLODE,       GADGET_ID_NONE,
4009     &custom_element_properties[EP_CAN_EXPLODE],
4010     NULL, NULL,
4011     NULL,                               "Element can explode"
4012   },
4013   {
4014     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE,
4015     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(12),
4016     GADGET_ID_CUSTOM_EXPLODE_FIRE,      GADGET_ID_NONE,
4017     &custom_element_properties[EP_EXPLODES_BY_FIRE],
4018     NULL, NULL,
4019     "By fire",                          "Element can explode by fire/explosion"
4020   },
4021   {
4022     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH,
4023     -1,                                 ED_ELEMENT_SETTINGS_YPOS(12),
4024     GADGET_ID_CUSTOM_EXPLODE_SMASH,     GADGET_ID_CUSTOM_EXPLODE_FIRE,
4025     &custom_element_properties[EP_EXPLODES_SMASHED],
4026     NULL, " ",
4027     "Smashed",                          "Element can explode when smashed"
4028   },
4029   {
4030     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT,
4031     -1,                                 ED_ELEMENT_SETTINGS_YPOS(12),
4032     GADGET_ID_CUSTOM_EXPLODE_IMPACT,    GADGET_ID_CUSTOM_EXPLODE_SMASH,
4033     &custom_element_properties[EP_EXPLODES_IMPACT],
4034     NULL, " ",
4035     "Impact",                           "Element can explode on impact"
4036   },
4037
4038   // ---------- element settings: advanced (custom elements) ------------------
4039
4040   {
4041     ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE,
4042     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
4043     GADGET_ID_CUSTOM_CAN_CHANGE,        GADGET_ID_NONE,
4044     &custom_element_change.can_change,
4045     NULL, NULL,
4046     "Element changes to:",              "Change element on specified condition"
4047   },
4048   {
4049     ED_CHECKBUTTON_ID_CHANGE_DELAY,
4050     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
4051     GADGET_ID_CHANGE_DELAY,             GADGET_ID_NONE,
4052     &custom_element_change_events[CE_DELAY],
4053     NULL, NULL,
4054     NULL,                               "Element changes after delay"
4055   },
4056   {
4057     ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT,
4058     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
4059     GADGET_ID_CHANGE_BY_DIRECT_ACT,     GADGET_ID_NONE,
4060     &custom_element_change_events[CE_BY_DIRECT_ACTION],
4061     NULL, NULL,
4062     NULL,                               "Element changes by direct action"
4063   },
4064   {
4065     ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT,
4066     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
4067     GADGET_ID_CHANGE_BY_OTHER_ACT,      GADGET_ID_NONE,
4068     &custom_element_change_events[CE_BY_OTHER_ACTION],
4069     NULL, NULL,
4070     NULL,                               "Element changes by other element"
4071   },
4072   {
4073     ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION,
4074     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
4075     GADGET_ID_CHANGE_USE_EXPLOSION,     GADGET_ID_NONE,
4076     &custom_element_change.explode,
4077     NULL, NULL,
4078     "Explode instead of change",        "Element explodes instead of change"
4079   },
4080   {
4081     ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT,
4082     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
4083     GADGET_ID_CHANGE_USE_CONTENT,       GADGET_ID_NONE,
4084     &custom_element_change.use_target_content,
4085     NULL, NULL,
4086     "Use extended change target:",      "Element changes to more elements"
4087   },
4088   {
4089     ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE,
4090     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(11),
4091     GADGET_ID_CHANGE_ONLY_COMPLETE,     GADGET_ID_NONE,
4092     &custom_element_change.only_if_complete,
4093     NULL, NULL,
4094     "Replace all or nothing",           "Only replace when all can be changed"
4095   },
4096   {
4097     ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM,
4098     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(12),
4099     GADGET_ID_CHANGE_USE_RANDOM,        GADGET_ID_NONE,
4100     &custom_element_change.use_random_replace,
4101     NULL, NULL,
4102     NULL,                               "Use percentage for random replace"
4103   },
4104   {
4105     ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION,
4106     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
4107     GADGET_ID_CHANGE_HAS_ACTION,        GADGET_ID_NONE,
4108     &custom_element_change.has_action,
4109     NULL, NULL,
4110     NULL,                               "Execute action on specified condition"
4111   },
4112 };
4113
4114 static struct
4115 {
4116   int gadget_type_id;
4117   int x, y;
4118   int xoffset, yoffset;
4119   int gadget_id;
4120   int gadget_id_align;
4121   int *value;
4122   int area_xsize, area_ysize;
4123   char *text_left, *text_right, *text_above, *text_below, *infotext;
4124 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
4125 {
4126   // ---------- level playfield content ---------------------------------------
4127
4128   {
4129     ED_DRAWING_ID_DRAWING_LEVEL,
4130     0,                                  0,
4131     0,                                  0,
4132     GADGET_ID_DRAWING_LEVEL,            GADGET_ID_NONE,
4133     NULL,
4134     -1, -1,     // these values are not constant, but can change at runtime
4135     NULL, NULL, NULL, NULL,             NULL
4136   },
4137
4138   // ---------- yam yam content -----------------------------------------------
4139
4140   {
4141     ED_DRAWING_ID_YAMYAM_CONTENT_0,
4142     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4143     ED_AREA_YAMYAM_CONTENT_XOFF(0),     ED_AREA_YAMYAM_CONTENT_YOFF(0),
4144     GADGET_ID_YAMYAM_CONTENT_0,         GADGET_ID_NONE,
4145     &level.yamyam_content[0].e[0][0],   3, 3,
4146     NULL, NULL, NULL, "1",              NULL
4147   },
4148   {
4149     ED_DRAWING_ID_YAMYAM_CONTENT_1,
4150     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4151     ED_AREA_YAMYAM_CONTENT_XOFF(1),     ED_AREA_YAMYAM_CONTENT_YOFF(1),
4152     GADGET_ID_YAMYAM_CONTENT_1,         GADGET_ID_NONE,
4153     &level.yamyam_content[1].e[0][0],   3, 3,
4154     NULL, NULL, NULL, "2",              NULL
4155   },
4156   {
4157     ED_DRAWING_ID_YAMYAM_CONTENT_2,
4158     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4159     ED_AREA_YAMYAM_CONTENT_XOFF(2),     ED_AREA_YAMYAM_CONTENT_YOFF(2),
4160     GADGET_ID_YAMYAM_CONTENT_2,         GADGET_ID_NONE,
4161     &level.yamyam_content[2].e[0][0],   3, 3,
4162     NULL, NULL, NULL, "3",              NULL
4163   },
4164   {
4165     ED_DRAWING_ID_YAMYAM_CONTENT_3,
4166     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4167     ED_AREA_YAMYAM_CONTENT_XOFF(3),     ED_AREA_YAMYAM_CONTENT_YOFF(3),
4168     GADGET_ID_YAMYAM_CONTENT_3,         GADGET_ID_NONE,
4169     &level.yamyam_content[3].e[0][0],   3, 3,
4170     NULL, NULL, NULL, "4",              NULL
4171   },
4172   {
4173     ED_DRAWING_ID_YAMYAM_CONTENT_4,
4174     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4175     ED_AREA_YAMYAM_CONTENT_XOFF(4),     ED_AREA_YAMYAM_CONTENT_YOFF(4),
4176     GADGET_ID_YAMYAM_CONTENT_4,         GADGET_ID_NONE,
4177     &level.yamyam_content[4].e[0][0],   3, 3,
4178     NULL, NULL, NULL, "5",              NULL
4179   },
4180   {
4181     ED_DRAWING_ID_YAMYAM_CONTENT_5,
4182     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4183     ED_AREA_YAMYAM_CONTENT_XOFF(5),     ED_AREA_YAMYAM_CONTENT_YOFF(5),
4184     GADGET_ID_YAMYAM_CONTENT_5,         GADGET_ID_NONE,
4185     &level.yamyam_content[5].e[0][0],   3, 3,
4186     NULL, NULL, NULL, "6",              NULL
4187   },
4188   {
4189     ED_DRAWING_ID_YAMYAM_CONTENT_6,
4190     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4191     ED_AREA_YAMYAM_CONTENT_XOFF(6),     ED_AREA_YAMYAM_CONTENT_YOFF(6),
4192     GADGET_ID_YAMYAM_CONTENT_6,         GADGET_ID_NONE,
4193     &level.yamyam_content[6].e[0][0],   3, 3,
4194     NULL, NULL, NULL, "7",              NULL
4195   },
4196   {
4197     ED_DRAWING_ID_YAMYAM_CONTENT_7,
4198     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4199     ED_AREA_YAMYAM_CONTENT_XOFF(7),     ED_AREA_YAMYAM_CONTENT_YOFF(7),
4200     GADGET_ID_YAMYAM_CONTENT_7,         GADGET_ID_NONE,
4201     &level.yamyam_content[7].e[0][0],   3, 3,
4202     NULL, NULL, NULL, "8",              NULL
4203   },
4204
4205   // ---------- magic ball content --------------------------------------------
4206
4207   {
4208     ED_DRAWING_ID_MAGIC_BALL_CONTENT_0,
4209     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4210     ED_AREA_MAGIC_BALL_CONTENT_XOFF(0), ED_AREA_MAGIC_BALL_CONTENT_YOFF(0),
4211     GADGET_ID_MAGIC_BALL_CONTENT_0,     GADGET_ID_NONE,
4212     &level.ball_content[0].e[0][0],     3, 3,
4213     NULL, NULL, NULL, "1",              NULL
4214   },
4215   {
4216     ED_DRAWING_ID_MAGIC_BALL_CONTENT_1,
4217     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4218     ED_AREA_MAGIC_BALL_CONTENT_XOFF(1), ED_AREA_MAGIC_BALL_CONTENT_YOFF(1),
4219     GADGET_ID_MAGIC_BALL_CONTENT_1,     GADGET_ID_NONE,
4220     &level.ball_content[1].e[0][0],     3, 3,
4221     NULL, NULL, NULL, "2",              NULL
4222   },
4223   {
4224     ED_DRAWING_ID_MAGIC_BALL_CONTENT_2,
4225     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4226     ED_AREA_MAGIC_BALL_CONTENT_XOFF(2), ED_AREA_MAGIC_BALL_CONTENT_YOFF(2),
4227     GADGET_ID_MAGIC_BALL_CONTENT_2,     GADGET_ID_NONE,
4228     &level.ball_content[2].e[0][0],     3, 3,
4229     NULL, NULL, NULL, "3",              NULL
4230   },
4231   {
4232     ED_DRAWING_ID_MAGIC_BALL_CONTENT_3,
4233     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4234     ED_AREA_MAGIC_BALL_CONTENT_XOFF(3), ED_AREA_MAGIC_BALL_CONTENT_YOFF(3),
4235     GADGET_ID_MAGIC_BALL_CONTENT_3,     GADGET_ID_NONE,
4236     &level.ball_content[3].e[0][0],     3, 3,
4237     NULL, NULL, NULL, "4",              NULL
4238   },
4239   {
4240     ED_DRAWING_ID_MAGIC_BALL_CONTENT_4,
4241     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4242     ED_AREA_MAGIC_BALL_CONTENT_XOFF(4), ED_AREA_MAGIC_BALL_CONTENT_YOFF(4),
4243     GADGET_ID_MAGIC_BALL_CONTENT_4,     GADGET_ID_NONE,
4244     &level.ball_content[4].e[0][0],     3, 3,
4245     NULL, NULL, NULL, "5",              NULL
4246   },
4247   {
4248     ED_DRAWING_ID_MAGIC_BALL_CONTENT_5,
4249     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4250     ED_AREA_MAGIC_BALL_CONTENT_XOFF(5), ED_AREA_MAGIC_BALL_CONTENT_YOFF(5),
4251     GADGET_ID_MAGIC_BALL_CONTENT_5,     GADGET_ID_NONE,
4252     &level.ball_content[5].e[0][0],     3, 3,
4253     NULL, NULL, NULL, "6",              NULL
4254   },
4255   {
4256     ED_DRAWING_ID_MAGIC_BALL_CONTENT_6,
4257     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4258     ED_AREA_MAGIC_BALL_CONTENT_XOFF(6), ED_AREA_MAGIC_BALL_CONTENT_YOFF(6),
4259     GADGET_ID_MAGIC_BALL_CONTENT_6,     GADGET_ID_NONE,
4260     &level.ball_content[6].e[0][0],     3, 3,
4261     NULL, NULL, NULL, "7",              NULL
4262   },
4263   {
4264     ED_DRAWING_ID_MAGIC_BALL_CONTENT_7,
4265     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4266     ED_AREA_MAGIC_BALL_CONTENT_XOFF(7), ED_AREA_MAGIC_BALL_CONTENT_YOFF(7),
4267     GADGET_ID_MAGIC_BALL_CONTENT_7,     GADGET_ID_NONE,
4268     &level.ball_content[7].e[0][0],     3, 3,
4269     NULL, NULL, NULL, "8",              NULL
4270   },
4271
4272   // ---------- android content -----------------------------------------------
4273
4274   {
4275     ED_DRAWING_ID_ANDROID_CONTENT,
4276     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(6),
4277     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4278     GADGET_ID_ANDROID_CONTENT,          GADGET_ID_NONE,
4279     &level.android_clone_element[0],    MAX_ANDROID_ELEMENTS, 1,
4280     NULL, NULL, "Elements:", NULL,      "Elements android can clone"
4281   },
4282
4283   // ---------- amoeba content ------------------------------------------------
4284
4285   {
4286     ED_DRAWING_ID_AMOEBA_CONTENT,
4287     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(3),
4288     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4289     GADGET_ID_AMOEBA_CONTENT,           GADGET_ID_NONE,
4290     &level.amoeba_content,              1, 1,
4291     "Content:", NULL, NULL, NULL,       "Amoeba content"
4292   },
4293
4294   // ---------- BD snap element -----------------------------------------------
4295
4296   {
4297     ED_DRAWING_ID_BD_SNAP_ELEMENT,
4298     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(5),
4299     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4300     GADGET_ID_BD_SNAP_ELEMENT,          GADGET_ID_NONE,
4301     &level.bd_snap_element,             1, 1,
4302     "Snap element:", NULL, NULL, NULL,  "Element created when snapping"
4303   },
4304
4305   // ---------- BD amoeba content ---------------------------------------------
4306
4307   {
4308     ED_DRAWING_ID_BD_AMOEBA_CONTENT_TOO_BIG,
4309     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(7),
4310     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4311     GADGET_ID_BD_AMOEBA_CONTENT_TOO_BIG, GADGET_ID_NONE,
4312     &level.bd_amoeba_content_too_big,   1, 1,
4313     "If too big, changes to:", NULL, NULL, NULL,        "BD amoeba content if too big"
4314   },
4315   {
4316     ED_DRAWING_ID_BD_AMOEBA_CONTENT_ENCLOSED,
4317     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(8),
4318     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4319     GADGET_ID_BD_AMOEBA_CONTENT_ENCLOSED, GADGET_ID_NONE,
4320     &level.bd_amoeba_content_enclosed,  1, 1,
4321     "If enclosed, changes to:", NULL, NULL, NULL,       "BD amoeba content if enclosed"
4322   },
4323
4324   // ---------- BD amoeba 2 content -------------------------------------------
4325
4326   {
4327     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_TOO_BIG,
4328     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(7),
4329     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4330     GADGET_ID_BD_AMOEBA_2_CONTENT_TOO_BIG, GADGET_ID_NONE,
4331     &level.bd_amoeba_2_content_too_big, 1, 1,
4332     "If too big, changes to:", NULL, NULL, NULL,        "BD amoeba 2 content if too big"
4333   },
4334   {
4335     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_ENCLOSED,
4336     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(8),
4337     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4338     GADGET_ID_BD_AMOEBA_2_CONTENT_ENCLOSED, GADGET_ID_NONE,
4339     &level.bd_amoeba_2_content_enclosed,        1, 1,
4340     "If enclosed, changes to:", NULL, NULL, NULL,       "BD amoeba 2 content if enclosed"
4341   },
4342   {
4343     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_EXPLODING,
4344     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(10),
4345     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4346     GADGET_ID_BD_AMOEBA_2_CONTENT_EXPLODING, GADGET_ID_NONE,
4347     &level.bd_amoeba_2_content_exploding,       1, 1,
4348     "If exploding, changes to:", NULL, NULL, NULL,      "BD amoeba 2 content if exploding"
4349   },
4350   {
4351     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,
4352     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(11),
4353     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4354     GADGET_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,   GADGET_ID_NONE,
4355     &level.bd_amoeba_2_content_looks_like,      1, 1,
4356     "Use graphic of element:", NULL, NULL, NULL,        "BD amoeba 2 looks like this element"
4357   },
4358   {
4359     ED_DRAWING_ID_BD_ACID_EATS_ELEMENT,
4360     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(1),
4361     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4362     GADGET_ID_BD_ACID_EATS_ELEMENT,     GADGET_ID_NONE,
4363     &level.bd_acid_eats_element,        1, 1,
4364     "Can eat:", NULL, NULL, NULL,               "Eats this element when spreading"
4365   },
4366   {
4367     ED_DRAWING_ID_BD_ACID_TURNS_TO_ELEMENT,
4368     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(3),
4369     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4370     GADGET_ID_BD_ACID_TURNS_TO_ELEMENT, GADGET_ID_NONE,
4371     &level.bd_acid_turns_to_element,    1, 1,
4372     "Can leave behind:", NULL, NULL, NULL,      "Turns to this element after spreading"
4373   },
4374   {
4375     ED_DRAWING_ID_BD_BITER_EATS_ELEMENT,
4376     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
4377     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4378     GADGET_ID_BD_BITER_EATS_ELEMENT,    GADGET_ID_NONE,
4379     &level.bd_biter_eats_element,       1, 1,
4380     "Can eat:", NULL, NULL, NULL,       "Eats this element when moving"
4381   },
4382   {
4383     ED_DRAWING_ID_BD_BLADDER_CONVERTS_BY_ELEMENT,
4384     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(1),
4385     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4386     GADGET_ID_BD_BLADDER_CONVERTS_BY_ELEMENT, GADGET_ID_NONE,
4387     &level.bd_bladder_converts_by_element,      1, 1,
4388     "Turns to clock by touching:", NULL, NULL, NULL,    "Turns to clock by touching element"
4389   },
4390
4391   // ---------- level start element -------------------------------------------
4392
4393   {
4394     ED_DRAWING_ID_START_ELEMENT,
4395     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(10),
4396     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4397     GADGET_ID_START_ELEMENT,            GADGET_ID_USE_START_ELEMENT,
4398     &level.start_element[0],            1, 1,
4399     NULL, NULL, NULL, NULL,             "Level start element"
4400   },
4401
4402   // ---------- player artwork element ----------------------------------------
4403
4404   {
4405     ED_DRAWING_ID_ARTWORK_ELEMENT,
4406     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(11),
4407     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4408     GADGET_ID_ARTWORK_ELEMENT,          GADGET_ID_USE_ARTWORK_ELEMENT,
4409     &level.artwork_element[0],          1, 1,
4410     NULL, NULL, NULL, NULL,             "Element for player artwork"
4411   },
4412
4413   // ---------- player explosion element --------------------------------------
4414
4415   {
4416     ED_DRAWING_ID_EXPLOSION_ELEMENT,
4417     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(12),
4418     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4419     GADGET_ID_EXPLOSION_ELEMENT,        GADGET_ID_USE_EXPLOSION_ELEMENT,
4420     &level.explosion_element[0],        1, 1,
4421     NULL, NULL, NULL, NULL,             "Element for player explosion"
4422   },
4423
4424   // ---------- player initial inventory --------------------------------------
4425
4426   {
4427     ED_DRAWING_ID_INVENTORY_CONTENT,
4428     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
4429     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4430     GADGET_ID_INVENTORY_CONTENT,        GADGET_ID_USE_INITIAL_INVENTORY,
4431     &level.initial_inventory_content[0][0], MAX_INITIAL_INVENTORY_SIZE, 1,
4432     NULL, NULL, NULL, NULL,             "Content for initial inventory"
4433   },
4434
4435   // ---------- gray ball content -----------------------------------------
4436
4437   {
4438     ED_DRAWING_ID_MM_BALL_CONTENT,
4439     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
4440     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4441     GADGET_ID_MM_BALL_CONTENT,          GADGET_ID_NONE,
4442     &level.mm_ball_content[0],          MAX_MM_BALL_CONTENTS, 1,
4443     "Content:", NULL, NULL, NULL,       "Content for gray ball"
4444   },
4445
4446   // ---------- element settings: configure 1 (custom elements) ---------------
4447
4448   // ---------- custom graphic ------------------------------------------------
4449
4450   {
4451     ED_DRAWING_ID_CUSTOM_GRAPHIC,
4452     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
4453     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4454     GADGET_ID_CUSTOM_GRAPHIC,           GADGET_ID_CUSTOM_USE_GRAPHIC,
4455     &custom_element.gfx_element_initial, 1, 1,
4456     NULL, NULL, NULL, NULL,             "Custom graphic element"
4457   },
4458
4459   // ---------- element settings: configure 2 (custom elements) ---------------
4460
4461   // ---------- custom content (when exploding) -------------------------------
4462
4463   {
4464     ED_DRAWING_ID_CUSTOM_CONTENT,
4465     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(11),
4466     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
4467     GADGET_ID_CUSTOM_CONTENT,           GADGET_ID_NONE, // align three rows
4468     &custom_element.content.e[0][0],    3, 3,
4469     "Content:", NULL, NULL, NULL,       NULL
4470   },
4471
4472   // ---------- custom enter and leave element (when moving) ------------------
4473
4474   {
4475     ED_DRAWING_ID_CUSTOM_MOVE_ENTER,
4476     ED_AREA_1X1_SETTINGS_XPOS(1),       ED_AREA_1X1_SETTINGS_YPOS(3),
4477     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4478     GADGET_ID_CUSTOM_MOVE_ENTER,        GADGET_ID_NONE,
4479     &custom_element.move_enter_element, 1, 1,
4480     "Can dig:", " ", NULL, NULL,        "Element that can be digged/collected"
4481   },
4482   {
4483     ED_DRAWING_ID_CUSTOM_MOVE_LEAVE,
4484     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(3),
4485     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4486     GADGET_ID_CUSTOM_MOVE_LEAVE,        GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
4487     &custom_element.move_leave_element, 1, 1,
4488     NULL, NULL, NULL, NULL,             "Element that will be left behind"
4489   },
4490
4491   // ---------- element settings: advanced (custom elements) ------------------
4492
4493   // ---------- custom change target ------------------------------------------
4494
4495   {
4496     ED_DRAWING_ID_CUSTOM_CHANGE_TARGET,
4497     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
4498     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4499     GADGET_ID_CUSTOM_CHANGE_TARGET,     GADGET_ID_CUSTOM_CAN_CHANGE,
4500     &custom_element_change.target_element, 1, 1,
4501     NULL, "after/when:", NULL, NULL,    "New target element after change"
4502   },
4503
4504   // ---------- custom change content (extended change target) ----------------
4505
4506   {
4507     ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT,
4508     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(9),
4509     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
4510     GADGET_ID_CUSTOM_CHANGE_CONTENT,    GADGET_ID_NONE, // align three rows
4511     &custom_element_change.target_content.e[0][0], 3, 3,
4512     NULL, NULL, NULL, NULL,             "New extended elements after change"
4513   },
4514
4515   // ---------- custom change trigger (element causing change) ----------------
4516
4517   {
4518     ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER,
4519     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(5),
4520     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4521     GADGET_ID_CUSTOM_CHANGE_TRIGGER,    GADGET_ID_CHANGE_OTHER_ACTION,
4522     &custom_element_change.initial_trigger_element, 1, 1,
4523     NULL, NULL, NULL, NULL,             "Other element triggering change"
4524   },
4525
4526   // ---------- custom change action (element used for action) ----------------
4527
4528   {
4529     ED_DRAWING_ID_CUSTOM_CHANGE_ACTION,
4530     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(13),
4531     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4532     GADGET_ID_CUSTOM_CHANGE_ACTION,     GADGET_ID_ACTION_ARG,
4533     &custom_element_change.action_element, 1, 1,
4534     NULL, NULL, NULL, NULL,             "Element used as action parameter"
4535   },
4536
4537   // ---------- group element content -----------------------------------------
4538
4539   {
4540     ED_DRAWING_ID_GROUP_CONTENT,
4541     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
4542     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4543     GADGET_ID_GROUP_CONTENT,            GADGET_ID_NONE,
4544     &group_element_info.element[0],     MAX_ELEMENTS_IN_GROUP, 1,
4545     "Content:", NULL, NULL, NULL,       NULL
4546   },
4547
4548   // ---------- random background (for random painting) -----------------------
4549
4550   {
4551     ED_DRAWING_ID_RANDOM_BACKGROUND,
4552     -1,                                 ED_AREA_1X1_LSETTINGS_YPOS(1),
4553     0,                                  ED_AREA_1X1_LSETTINGS_YOFF,
4554     GADGET_ID_RANDOM_BACKGROUND,        GADGET_ID_RANDOM_RESTRICTED,
4555     &random_placement_background_element, 1, 1,
4556     NULL, NULL, NULL, NULL,             "Random placement background"
4557   },
4558 };
4559
4560
4561 // ----------------------------------------------------------------------------
4562 // some internally used variables
4563 // ----------------------------------------------------------------------------
4564
4565 // maximal size of level editor drawing area
4566 static int MAX_ED_FIELDX, MAX_ED_FIELDY;
4567
4568 // actual size of level editor drawing area
4569 static int ed_fieldx, ed_fieldy;
4570
4571 // actual position of level editor drawing area in level playfield
4572 static int level_xpos = -1, level_ypos = -1;
4573
4574 // actual tile size used to display playfield drawing area
4575 static int ed_tilesize = DEFAULT_EDITOR_TILESIZE;
4576 static int ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
4577
4578 #define IN_ED_FIELD(x, y)       IN_FIELD(x, y, ed_fieldx, ed_fieldy)
4579
4580 // drawing elements on the three mouse buttons
4581 static int new_element1 = EL_WALL;
4582 static int new_element2 = EL_EMPTY;
4583 static int new_element3 = EL_SAND;
4584
4585 #define IS_VALID_BUTTON(button) (button >= 1 && button <= 3)
4586 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
4587                                 (button) == 2 ? new_element2 : \
4588                                 (button) == 3 ? new_element3 : EL_EMPTY)
4589
4590 #define BUTTON_TILE_SIZE(x)     ((x) >= TILESIZE ? TILESIZE : MINI_TILESIZE)
4591
4592 static int use_permanent_palette = TRUE;
4593
4594 #define PX              (use_permanent_palette ? DX : SX)
4595 #define PY              (use_permanent_palette ? DY : SY)
4596 #define PXSIZE          (use_permanent_palette ? DXSIZE : SXSIZE)
4597 #define PYSIZE          (use_permanent_palette ? DYSIZE : SYSIZE)
4598
4599 // forward declaration for internal use
4600 static void CopyBrushToCursor(int, int);
4601 static void DeleteBrushFromCursor(void);
4602 static void ModifyEditorCounterValue(int, int);
4603 static void ModifyEditorCounterLimits(int, int, int);
4604 static void ModifyEditorSelectboxValue(int, int);
4605 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
4606 static void ModifyEditorDrawingArea(int, int, int);
4607 static void ModifyEditorElementList(void);
4608 static void AdjustElementListScrollbar(void);
4609 static void RedrawDrawingElements(void);
4610 static void DrawDrawingWindowExt(boolean);
4611 static void DrawDrawingWindow(void);
4612 static void DrawLevelConfigWindow(void);
4613 static void DrawPropertiesWindow(void);
4614 static void DrawPaletteWindow(void);
4615 static void UpdateCustomElementGraphicGadgets(void);
4616 static boolean checkPropertiesConfig(int);
4617 static void SetAutomaticNumberOfGemsNeeded(void);
4618 static void ClearEditorGadgetInfoText(void);
4619 static void CopyLevelToUndoBuffer(int);
4620 static void HandleDrawingAreas(struct GadgetInfo *);
4621 static void HandleCounterButtons(struct GadgetInfo *);
4622 static void HandleTextInputGadgets(struct GadgetInfo *);
4623 static void HandleTextAreaGadgets(struct GadgetInfo *);
4624 static void HandleSelectboxGadgets(struct GadgetInfo *);
4625 static void HandleTextbuttonGadgets(struct GadgetInfo *);
4626 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
4627 static void HandleRadiobuttons(struct GadgetInfo *);
4628 static void HandleCheckbuttons(struct GadgetInfo *);
4629 static void HandleControlButtons(struct GadgetInfo *);
4630 static void HandleDrawingAreaInfo(struct GadgetInfo *);
4631 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
4632 static boolean AskToCopyAndModifyLevelTemplate(void);
4633 static boolean getDrawModeHiRes(void);
4634 static int getTabulatorBarWidth(void);
4635 static int getTabulatorBarHeight(void);
4636 static Pixel getTabulatorBarColor(void);
4637 static int numHiresTiles(int);
4638
4639 static int num_editor_gadgets = 0;      // dynamically determined
4640
4641 static struct GadgetInfo **level_editor_gadget = NULL;
4642 static int *right_gadget_border = NULL;
4643
4644 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
4645 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
4646 static boolean draw_with_brush = FALSE;
4647 static int properties_element = 0;
4648
4649 static short TileBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
4650 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
4651 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
4652 static int undo_buffer_position = 0;
4653 static int undo_buffer_steps = 0;
4654 static int redo_buffer_steps = 0;
4655
4656 static int edit_mode;
4657 static int edit_mode_levelconfig;
4658 static int edit_mode_properties;
4659
4660 static int element_shift = 0;
4661
4662 static int editor_el_players[] =
4663 {
4664   EL_PLAYER_1,
4665   EL_PLAYER_2,
4666   EL_PLAYER_3,
4667   EL_PLAYER_4
4668 };
4669 static int *editor_el_players_ptr = editor_el_players;
4670 static int num_editor_el_players = ARRAY_SIZE(editor_el_players);
4671
4672 static int editor_hl_boulderdash[] =
4673 {
4674   EL_INTERNAL_CASCADE_BD_ACTIVE,
4675   EL_CHAR('B'),
4676   EL_CHAR('D'),
4677   EL_EMPTY,
4678 };
4679
4680 static int editor_el_boulderdash[] =
4681 {
4682   EL_EMPTY,
4683   EL_SAND,
4684   EL_BD_ROCK,
4685   EL_BD_DIAMOND,
4686
4687   EL_STEELWALL,
4688   EL_BD_WALL,
4689   EL_BD_EXPANDABLE_WALL,
4690   EL_BD_MAGIC_WALL,
4691
4692   EL_BD_AMOEBA,
4693   EL_BD_BUTTERFLY_UP,
4694   EL_BD_FIREFLY_UP,
4695   EL_EXIT_CLOSED,
4696
4697   EL_BD_BUTTERFLY_LEFT,
4698   EL_BD_FIREFLY_LEFT,
4699   EL_BD_BUTTERFLY_RIGHT,
4700   EL_BD_FIREFLY_RIGHT,
4701
4702   EL_EMPTY,
4703   EL_BD_BUTTERFLY_DOWN,
4704   EL_BD_FIREFLY_DOWN,
4705   EL_EXIT_OPEN,
4706 };
4707 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
4708 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
4709 static int num_editor_hl_boulderdash = ARRAY_SIZE(editor_hl_boulderdash);
4710 static int num_editor_el_boulderdash = ARRAY_SIZE(editor_el_boulderdash);
4711
4712 static int editor_hl_boulderdash_native[] =
4713 {
4714   EL_INTERNAL_CASCADE_BD_NATIVE_ACTIVE,
4715   EL_CHAR('B'),
4716   EL_CHAR('D'),
4717   EL_EMPTY,
4718 };
4719
4720 static int editor_el_boulderdash_native[] =
4721 {
4722   EL_EMPTY,
4723   EL_BD_SAND,
4724   EL_BD_ROCK,
4725   EL_BD_DIAMOND,
4726
4727   EL_BD_STEELWALL,
4728   EL_BD_WALL,
4729   EL_BD_SAND_2,
4730   EL_BD_MAGIC_WALL,
4731
4732   EL_BD_AMOEBA,
4733   EL_BD_BUTTERFLY_UP,
4734   EL_BD_FIREFLY_UP,
4735   EL_BD_EXIT_CLOSED,
4736
4737   EL_BD_BUTTERFLY_LEFT,
4738   EL_BD_FIREFLY_LEFT,
4739   EL_BD_BUTTERFLY_RIGHT,
4740   EL_BD_FIREFLY_RIGHT,
4741
4742   EL_BD_INBOX,
4743   EL_BD_BUTTERFLY_DOWN,
4744   EL_BD_FIREFLY_DOWN,
4745   EL_BD_EXIT_OPEN,
4746
4747   EL_BD_AMOEBA_2,
4748   EL_BD_BUTTERFLY_2_UP,
4749   EL_BD_FIREFLY_2_UP,
4750   EL_BD_SLIME,
4751
4752   EL_BD_BUTTERFLY_2_LEFT,
4753   EL_BD_FIREFLY_2_LEFT,
4754   EL_BD_BUTTERFLY_2_RIGHT,
4755   EL_BD_FIREFLY_2_RIGHT,
4756
4757   EL_BD_BOMB,
4758   EL_BD_BUTTERFLY_2_DOWN,
4759   EL_BD_FIREFLY_2_DOWN,
4760   EL_BD_FLYING_DIAMOND,
4761
4762   EL_BD_NITRO_PACK,
4763   EL_BD_DRAGONFLY_UP,
4764   EL_BD_STONEFLY_UP,
4765   EL_BD_DIAMOND_GLUED,
4766
4767   EL_BD_DRAGONFLY_LEFT,
4768   EL_BD_STONEFLY_LEFT,
4769   EL_BD_DRAGONFLY_RIGHT,
4770   EL_BD_STONEFLY_RIGHT,
4771
4772   EL_BD_NUT,
4773   EL_BD_DRAGONFLY_DOWN,
4774   EL_BD_STONEFLY_DOWN,
4775   EL_EMPTY,
4776
4777   EL_BD_BITER_SWITCH_1,
4778   EL_BD_BITER_UP,
4779   EL_BD_COW_UP,
4780   EL_EMPTY,
4781
4782   EL_BD_BITER_LEFT,
4783   EL_BD_COW_LEFT,
4784   EL_BD_BITER_RIGHT,
4785   EL_BD_COW_RIGHT,
4786
4787   EL_BD_VOODOO_DOLL,
4788   EL_BD_BITER_DOWN,
4789   EL_BD_COW_DOWN,
4790   EL_BD_GHOST,
4791
4792   EL_BD_SAND_GLUED,
4793   EL_BD_SAND_BALL,
4794   EL_BD_SAND_LOOSE,
4795   EL_BD_WALL_NON_SLOPED,
4796
4797   EL_BD_SAND_SLOPED_UP_LEFT,
4798   EL_BD_SAND_SLOPED_UP_RIGHT,
4799   EL_BD_WALL_SLOPED_UP_LEFT,
4800   EL_BD_WALL_SLOPED_UP_RIGHT,
4801
4802   EL_BD_SAND_SLOPED_DOWN_LEFT,
4803   EL_BD_SAND_SLOPED_DOWN_RIGHT,
4804   EL_BD_WALL_SLOPED_DOWN_LEFT,
4805   EL_BD_WALL_SLOPED_DOWN_RIGHT,
4806
4807   EL_BD_FLYING_ROCK,
4808   EL_BD_ROCK_GLUED,
4809   EL_BD_STEELWALL_SLOPED_UP_LEFT,
4810   EL_BD_STEELWALL_SLOPED_UP_RIGHT,
4811
4812   EL_BD_WAITING_ROCK,
4813   EL_BD_CHASING_ROCK,
4814   EL_BD_STEELWALL_SLOPED_DOWN_LEFT,
4815   EL_BD_STEELWALL_SLOPED_DOWN_RIGHT,
4816
4817   EL_BD_MEGA_ROCK,
4818   EL_BD_SWEET,
4819   EL_BD_INVISIBLE_EXIT_CLOSED,
4820   EL_BD_INVISIBLE_EXIT_OPEN,
4821
4822   EL_BD_STEELWALL_EXPLODABLE,
4823   EL_BD_STEELWALL_DIGGABLE,
4824   EL_BD_WALL_DIGGABLE,
4825   EL_BD_FALLING_WALL,
4826
4827   EL_BD_EXPANDABLE_WALL_HORIZONTAL,
4828   EL_BD_EXPANDABLE_WALL_VERTICAL,
4829   EL_BD_EXPANDABLE_WALL_ANY,
4830   EL_BD_EXPANDABLE_WALL_SWITCH_HORIZONTAL,
4831
4832   EL_BD_EXPANDABLE_STEELWALL_HORIZONTAL,
4833   EL_BD_EXPANDABLE_STEELWALL_VERTICAL,
4834   EL_BD_EXPANDABLE_STEELWALL_ANY,
4835   EL_BD_CREATURE_SWITCH,
4836
4837   EL_BD_BLADDER,
4838   EL_BD_BLADDER_SPENDER,
4839   EL_BD_REPLICATOR,
4840   EL_BD_REPLICATOR_SWITCH,
4841
4842   EL_BD_CONVEYOR_LEFT,
4843   EL_BD_CONVEYOR_RIGHT,
4844   EL_BD_CONVEYOR_SWITCH,
4845   EL_BD_CONVEYOR_DIR_SWITCH_RIGHT,
4846
4847   EL_BD_CLOCK,
4848   EL_BD_TIME_PENALTY,
4849   EL_BD_GRAVESTONE,
4850   EL_BD_SKELETON,
4851
4852   EL_BD_WATER,
4853   EL_BD_ACID,
4854   EL_BD_LAVA,
4855   EL_BD_BOX,
4856
4857   EL_BD_GATE_1,
4858   EL_BD_GATE_2,
4859   EL_BD_GATE_3,
4860   EL_BD_TRAPPED_DIAMOND,
4861
4862   EL_BD_KEY_1,
4863   EL_BD_KEY_2,
4864   EL_BD_KEY_3,
4865   EL_BD_DIAMOND_KEY,
4866
4867   EL_BD_WALL_KEY_1,
4868   EL_BD_WALL_KEY_2,
4869   EL_BD_WALL_KEY_3,
4870   EL_BD_WALL_DIAMOND,
4871
4872   EL_BD_GRAVITY_SWITCH,
4873   EL_BD_PNEUMATIC_HAMMER,
4874   EL_BD_TELEPORTER,
4875   EL_BD_POT,
4876
4877   EL_BD_PLAYER,
4878   EL_BD_PLAYER_WITH_BOMB,
4879   EL_BD_PLAYER_GLUED,
4880   EL_BD_PLAYER_STIRRING,
4881 };
4882 static int *editor_hl_boulderdash_native_ptr = editor_hl_boulderdash_native;
4883 static int *editor_el_boulderdash_native_ptr = editor_el_boulderdash_native;
4884 static int num_editor_hl_boulderdash_native = ARRAY_SIZE(editor_hl_boulderdash_native);
4885 static int num_editor_el_boulderdash_native = ARRAY_SIZE(editor_el_boulderdash_native);
4886
4887 static int editor_hl_emerald_mine[] =
4888 {
4889   EL_INTERNAL_CASCADE_EM_ACTIVE,
4890   EL_CHAR('E'),
4891   EL_CHAR('M'),
4892   EL_EMPTY,
4893 };
4894
4895 static int editor_el_emerald_mine[] =
4896 {
4897   EL_SAND,
4898   EL_ROCK,
4899   EL_QUICKSAND_EMPTY,
4900   EL_QUICKSAND_FULL,
4901
4902   EL_STEELWALL,
4903   EL_WALL,
4904   EL_WALL_SLIPPERY,
4905   EL_MAGIC_WALL,
4906
4907   EL_EMERALD,
4908   EL_DIAMOND,
4909   EL_NUT,
4910   EL_BOMB,
4911
4912   EL_EM_DYNAMITE,
4913   EL_EM_DYNAMITE_ACTIVE,
4914   EL_EM_EXIT_CLOSED,
4915   EL_EM_EXIT_OPEN,
4916
4917   EL_YAMYAM_UP,
4918   EL_BUG_UP,
4919   EL_SPACESHIP_UP,
4920   EL_ROBOT,
4921
4922   EL_BUG_LEFT,
4923   EL_SPACESHIP_LEFT,
4924   EL_BUG_RIGHT,
4925   EL_SPACESHIP_RIGHT,
4926
4927   EL_ROBOT_WHEEL,
4928   EL_BUG_DOWN,
4929   EL_SPACESHIP_DOWN,
4930   EL_INVISIBLE_WALL,
4931
4932   EL_ACID_POOL_TOPLEFT,
4933   EL_ACID,
4934   EL_ACID_POOL_TOPRIGHT,
4935   EL_AMOEBA_DROP,
4936
4937   EL_ACID_POOL_BOTTOMLEFT,
4938   EL_ACID_POOL_BOTTOM,
4939   EL_ACID_POOL_BOTTOMRIGHT,
4940   EL_AMOEBA_WET,
4941
4942   EL_EM_KEY_1,
4943   EL_EM_KEY_2,
4944   EL_EM_KEY_3,
4945   EL_EM_KEY_4,
4946
4947   EL_EM_GATE_1,
4948   EL_EM_GATE_2,
4949   EL_EM_GATE_3,
4950   EL_EM_GATE_4,
4951
4952   EL_EM_GATE_1_GRAY,
4953   EL_EM_GATE_2_GRAY,
4954   EL_EM_GATE_3_GRAY,
4955   EL_EM_GATE_4_GRAY,
4956 };
4957 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
4958 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
4959 static int num_editor_hl_emerald_mine = ARRAY_SIZE(editor_hl_emerald_mine);
4960 static int num_editor_el_emerald_mine = ARRAY_SIZE(editor_el_emerald_mine);
4961
4962 static int editor_hl_emerald_mine_club[] =
4963 {
4964   EL_INTERNAL_CASCADE_EMC_ACTIVE,
4965   EL_CHAR('E'),
4966   EL_CHAR('M'),
4967   EL_CHAR('C'),
4968 };
4969
4970 static int editor_el_emerald_mine_club[] =
4971 {
4972   EL_EMC_KEY_5,
4973   EL_EMC_KEY_6,
4974   EL_EMC_KEY_7,
4975   EL_EMC_KEY_8,
4976
4977   EL_EMC_GATE_5,
4978   EL_EMC_GATE_6,
4979   EL_EMC_GATE_7,
4980   EL_EMC_GATE_8,
4981
4982   EL_EMC_GATE_5_GRAY,
4983   EL_EMC_GATE_6_GRAY,
4984   EL_EMC_GATE_7_GRAY,
4985   EL_EMC_GATE_8_GRAY,
4986
4987   EL_EMC_STEELWALL_1,
4988   EL_EMC_STEELWALL_2,
4989   EL_EMC_STEELWALL_3,
4990   EL_EMC_STEELWALL_4,
4991
4992   EL_EMC_WALL_13,
4993   EL_EMC_WALL_14,
4994   EL_EMC_WALL_15,
4995   EL_EMC_WALL_16,
4996
4997   EL_EMC_WALL_SLIPPERY_1,
4998   EL_EMC_WALL_SLIPPERY_2,
4999   EL_EMC_WALL_SLIPPERY_3,
5000   EL_EMC_WALL_SLIPPERY_4,
5001
5002   EL_EMC_WALL_1,
5003   EL_EMC_WALL_2,
5004   EL_EMC_WALL_3,
5005   EL_EMC_WALL_4,
5006
5007   EL_EMC_WALL_5,
5008   EL_EMC_WALL_6,
5009   EL_EMC_WALL_7,
5010   EL_EMC_WALL_8,
5011
5012   EL_EMC_WALL_9,
5013   EL_EMC_WALL_10,
5014   EL_EMC_WALL_11,
5015   EL_EMC_WALL_12,
5016
5017   EL_EMC_GRASS,
5018   EL_EMC_FAKE_GRASS,
5019   EL_EMC_PLANT,
5020   EL_EMC_DRIPPER,
5021
5022   EL_EMC_MAGIC_BALL,
5023   EL_EMC_MAGIC_BALL_SWITCH,
5024   EL_EMC_LENSES,
5025   EL_EMC_MAGNIFIER,
5026
5027   EL_SPRING_LEFT,
5028   EL_SPRING,
5029   EL_SPRING_RIGHT,
5030   EL_EMC_SPRING_BUMPER,
5031
5032   EL_BALLOON,
5033   EL_YAMYAM_UP,
5034   EL_BALLOON_SWITCH_UP,
5035   EL_BALLOON_SWITCH_ANY,
5036
5037   EL_YAMYAM_LEFT,
5038   EL_BALLOON_SWITCH_LEFT,
5039   EL_YAMYAM_RIGHT,
5040   EL_BALLOON_SWITCH_RIGHT,
5041
5042   EL_EMC_ANDROID,
5043   EL_YAMYAM_DOWN,
5044   EL_BALLOON_SWITCH_DOWN,
5045   EL_BALLOON_SWITCH_NONE,
5046 };
5047 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
5048 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
5049 static int num_editor_hl_emerald_mine_club = ARRAY_SIZE(editor_hl_emerald_mine_club);
5050 static int num_editor_el_emerald_mine_club = ARRAY_SIZE(editor_el_emerald_mine_club);
5051
5052 static int editor_hl_rnd[] =
5053 {
5054   EL_INTERNAL_CASCADE_RND_ACTIVE,
5055   EL_CHAR('R'),
5056   EL_CHAR('N'),
5057   EL_CHAR('D'),
5058 };
5059
5060 static int editor_el_rnd[] =
5061 {
5062   EL_DYNAMITE,                  // RND
5063   EL_DYNAMITE_ACTIVE,           // RND
5064   EL_EMPTY,
5065   EL_EMPTY,
5066
5067   EL_KEY_1,
5068   EL_KEY_2,
5069   EL_KEY_3,
5070   EL_KEY_4,
5071
5072   EL_GATE_1,
5073   EL_GATE_2,
5074   EL_GATE_3,
5075   EL_GATE_4,
5076
5077   EL_GATE_1_GRAY,
5078   EL_GATE_2_GRAY,
5079   EL_GATE_3_GRAY,
5080   EL_GATE_4_GRAY,
5081
5082   EL_ARROW_LEFT,
5083   EL_ARROW_RIGHT,
5084   EL_ARROW_UP,
5085   EL_ARROW_DOWN,
5086
5087   EL_AMOEBA_DEAD,
5088   EL_AMOEBA_DRY,
5089   EL_AMOEBA_FULL,
5090   EL_GAME_OF_LIFE,
5091
5092   EL_EMERALD_YELLOW,
5093   EL_EMERALD_RED,
5094   EL_EMERALD_PURPLE,
5095   EL_BIOMAZE,
5096
5097   EL_WALL_EMERALD_YELLOW,
5098   EL_WALL_EMERALD_RED,
5099   EL_WALL_EMERALD_PURPLE,
5100   EL_WALL_BD_DIAMOND,
5101
5102   EL_SPEED_PILL,
5103   EL_PACMAN_UP,
5104   EL_TIME_ORB_FULL,
5105   EL_TIME_ORB_EMPTY,
5106
5107   EL_PACMAN_LEFT,
5108   EL_DARK_YAMYAM,
5109   EL_PACMAN_RIGHT,
5110   EL_YAMYAM,                    // RND
5111
5112   EL_BLACK_ORB,
5113   EL_PACMAN_DOWN,
5114   EL_LAMP,
5115   EL_LAMP_ACTIVE,
5116
5117   EL_DYNABOMB_INCREASE_NUMBER,
5118   EL_DYNABOMB_INCREASE_SIZE,
5119   EL_DYNABOMB_INCREASE_POWER,
5120   EL_STONEBLOCK,
5121
5122   EL_MOLE,
5123   EL_PENGUIN,
5124   EL_PIG,
5125   EL_DRAGON,
5126
5127   EL_BUG,
5128   EL_MOLE_UP,
5129   EL_BD_BUTTERFLY,
5130   EL_BD_FIREFLY,
5131
5132   EL_MOLE_LEFT,
5133   EL_SATELLITE,
5134   EL_MOLE_RIGHT,
5135   EL_PACMAN,
5136
5137   EL_SPACESHIP,
5138   EL_MOLE_DOWN,
5139   EL_INVISIBLE_STEELWALL,
5140   EL_INVISIBLE_WALL,
5141
5142   EL_EXPANDABLE_WALL,
5143   EL_EXPANDABLE_WALL_HORIZONTAL,
5144   EL_EXPANDABLE_WALL_VERTICAL,
5145   EL_EXPANDABLE_WALL_ANY,
5146 };
5147 static int *editor_hl_rnd_ptr = editor_hl_rnd;
5148 static int *editor_el_rnd_ptr = editor_el_rnd;
5149 static int num_editor_hl_rnd = ARRAY_SIZE(editor_hl_rnd);
5150 static int num_editor_el_rnd = ARRAY_SIZE(editor_el_rnd);
5151
5152 static int editor_hl_sokoban[] =
5153 {
5154   EL_INTERNAL_CASCADE_SB_ACTIVE,
5155   EL_CHAR('S'),
5156   EL_CHAR('B'),
5157   EL_EMPTY,
5158 };
5159
5160 static int editor_el_sokoban[] =
5161 {
5162   EL_SOKOBAN_OBJECT,
5163   EL_SOKOBAN_FIELD_EMPTY,
5164   EL_SOKOBAN_FIELD_FULL,
5165   EL_SOKOBAN_FIELD_PLAYER,
5166 };
5167 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
5168 static int *editor_el_sokoban_ptr = editor_el_sokoban;
5169 static int num_editor_hl_sokoban = ARRAY_SIZE(editor_hl_sokoban);
5170 static int num_editor_el_sokoban = ARRAY_SIZE(editor_el_sokoban);
5171
5172 static int editor_hl_supaplex[] =
5173 {
5174   EL_INTERNAL_CASCADE_SP_ACTIVE,
5175   EL_CHAR('S'),
5176   EL_CHAR('P'),
5177   EL_EMPTY,
5178 };
5179
5180 static int editor_el_supaplex[] =
5181 {
5182   EL_SP_MURPHY,
5183   EL_EMPTY,
5184   EL_SP_BASE,
5185   EL_SP_BUGGY_BASE,
5186
5187   EL_SP_INFOTRON,
5188   EL_SP_ZONK,
5189   EL_SP_SNIKSNAK,
5190   EL_SP_ELECTRON,
5191
5192   EL_SP_DISK_RED,
5193   EL_SP_DISK_ORANGE,
5194   EL_SP_DISK_YELLOW,
5195   EL_SP_TERMINAL,
5196
5197   EL_SP_EXIT_CLOSED,
5198   EL_SP_PORT_HORIZONTAL,
5199   EL_SP_PORT_VERTICAL,
5200   EL_SP_PORT_ANY,
5201
5202   EL_SP_PORT_LEFT,
5203   EL_SP_PORT_RIGHT,
5204   EL_SP_PORT_UP,
5205   EL_SP_PORT_DOWN,
5206
5207   EL_SP_GRAVITY_PORT_LEFT,
5208   EL_SP_GRAVITY_PORT_RIGHT,
5209   EL_SP_GRAVITY_PORT_UP,
5210   EL_SP_GRAVITY_PORT_DOWN,
5211
5212   EL_SP_GRAVITY_ON_PORT_LEFT,
5213   EL_SP_GRAVITY_ON_PORT_RIGHT,
5214   EL_SP_GRAVITY_ON_PORT_UP,
5215   EL_SP_GRAVITY_ON_PORT_DOWN,
5216
5217   EL_SP_GRAVITY_OFF_PORT_LEFT,
5218   EL_SP_GRAVITY_OFF_PORT_RIGHT,
5219   EL_SP_GRAVITY_OFF_PORT_UP,
5220   EL_SP_GRAVITY_OFF_PORT_DOWN,
5221
5222   EL_SP_HARDWARE_GRAY,
5223   EL_SP_HARDWARE_GREEN,
5224   EL_SP_HARDWARE_BLUE,
5225   EL_SP_HARDWARE_RED,
5226
5227   EL_SP_HARDWARE_BASE_1,
5228   EL_SP_HARDWARE_BASE_2,
5229   EL_SP_HARDWARE_BASE_3,
5230   EL_SP_HARDWARE_BASE_4,
5231
5232   EL_SP_HARDWARE_BASE_5,
5233   EL_SP_HARDWARE_BASE_6,
5234   EL_SP_HARDWARE_YELLOW,
5235   EL_SP_CHIP_TOP,
5236
5237   EL_SP_CHIP_SINGLE,
5238   EL_SP_CHIP_LEFT,
5239   EL_SP_CHIP_RIGHT,
5240   EL_SP_CHIP_BOTTOM,
5241 };
5242 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
5243 static int *editor_el_supaplex_ptr = editor_el_supaplex;
5244 static int num_editor_hl_supaplex = ARRAY_SIZE(editor_hl_supaplex);
5245 static int num_editor_el_supaplex = ARRAY_SIZE(editor_el_supaplex);
5246
5247 static int editor_hl_diamond_caves[] =
5248 {
5249   EL_INTERNAL_CASCADE_DC_ACTIVE,
5250   EL_CHAR('D'),
5251   EL_CHAR('C'),
5252   EL_CHAR('2'),
5253 };
5254
5255 static int editor_el_diamond_caves[] =
5256 {
5257   EL_EM_STEEL_EXIT_CLOSED,      // DC2
5258   EL_EM_STEEL_EXIT_OPEN,        // DC2
5259   EL_WALL_EMERALD,              // DC2
5260   EL_WALL_DIAMOND,              // DC2
5261
5262   EL_PEARL,
5263   EL_CRYSTAL,
5264   EL_WALL_PEARL,
5265   EL_WALL_CRYSTAL,
5266
5267   EL_CONVEYOR_BELT_1_LEFT,
5268   EL_CONVEYOR_BELT_1_MIDDLE,
5269   EL_CONVEYOR_BELT_1_RIGHT,
5270   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
5271
5272   EL_CONVEYOR_BELT_2_LEFT,
5273   EL_CONVEYOR_BELT_2_MIDDLE,
5274   EL_CONVEYOR_BELT_2_RIGHT,
5275   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
5276
5277   EL_CONVEYOR_BELT_3_LEFT,
5278   EL_CONVEYOR_BELT_3_MIDDLE,
5279   EL_CONVEYOR_BELT_3_RIGHT,
5280   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
5281
5282   EL_CONVEYOR_BELT_4_LEFT,
5283   EL_CONVEYOR_BELT_4_MIDDLE,
5284   EL_CONVEYOR_BELT_4_RIGHT,
5285   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
5286
5287   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
5288   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
5289   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
5290   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
5291
5292   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
5293   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
5294   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
5295   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
5296
5297   EL_TIMEGATE_CLOSED,
5298   EL_TIMEGATE_OPEN,
5299   EL_TIMEGATE_SWITCH,
5300   EL_DC_TIMEGATE_SWITCH,
5301
5302   EL_SWITCHGATE_CLOSED,
5303   EL_SWITCHGATE_OPEN,
5304   EL_SWITCHGATE_SWITCH_UP,
5305   EL_SWITCHGATE_SWITCH_DOWN,
5306
5307   EL_LIGHT_SWITCH,
5308   EL_LIGHT_SWITCH_ACTIVE,
5309   EL_DC_SWITCHGATE_SWITCH_UP,
5310   EL_DC_SWITCHGATE_SWITCH_DOWN,
5311
5312   EL_STEEL_EXIT_CLOSED,
5313   EL_STEEL_EXIT_OPEN,
5314   EL_STEELWALL_SLIPPERY,
5315   EL_INVISIBLE_SAND,
5316
5317   EL_QUICKSAND_FAST_EMPTY,
5318   EL_QUICKSAND_FAST_FULL,
5319   EL_LANDMINE,
5320   EL_DC_LANDMINE,
5321
5322   EL_SHIELD_NORMAL,
5323   EL_SHIELD_DEADLY,
5324   EL_EXTRA_TIME,
5325   EL_DC_MAGIC_WALL,
5326
5327   EL_ENVELOPE_1,
5328   EL_ENVELOPE_2,
5329   EL_ENVELOPE_3,
5330   EL_ENVELOPE_4,
5331
5332   EL_SIGN_RADIOACTIVITY,
5333   EL_SIGN_WHEELCHAIR,
5334   EL_SIGN_PARKING,
5335   EL_SIGN_NO_ENTRY,
5336
5337   EL_SIGN_GIVE_WAY,
5338   EL_SIGN_ENTRY_FORBIDDEN,
5339   EL_SIGN_EMERGENCY_EXIT,
5340   EL_SIGN_YIN_YANG,
5341
5342 #if 0
5343   EL_SIGN_SPERMS,
5344   EL_SIGN_BULLET,
5345   EL_SIGN_HEART,
5346   EL_SIGN_CROSS,
5347
5348   EL_SIGN_FRANKIE,
5349   EL_EMPTY,
5350   EL_EMPTY,
5351   EL_EMPTY,
5352
5353   EL_SPERMS,
5354   EL_BULLET,
5355   EL_HEART,
5356   EL_CROSS,
5357
5358   EL_FRANKIE,
5359   EL_EMPTY,
5360   EL_EMPTY,
5361   EL_EMPTY,
5362 #endif
5363
5364   EL_DC_STEELWALL_2_SINGLE,
5365   EL_DC_STEELWALL_2_TOP,
5366   EL_SIGN_EXCLAMATION,
5367   EL_SIGN_STOP,
5368
5369   EL_DC_STEELWALL_2_LEFT,
5370   EL_DC_STEELWALL_2_MIDDLE,
5371   EL_DC_STEELWALL_2_HORIZONTAL,
5372   EL_DC_STEELWALL_2_RIGHT,
5373
5374   EL_DC_STEELWALL_1_TOPLEFT,
5375   EL_DC_STEELWALL_2_VERTICAL,
5376   EL_DC_STEELWALL_1_TOPRIGHT,
5377   EL_DC_GATE_WHITE,
5378
5379   EL_DC_STEELWALL_1_VERTICAL,
5380   EL_DC_STEELWALL_2_BOTTOM,
5381   EL_DC_KEY_WHITE,
5382   EL_DC_GATE_WHITE_GRAY,
5383
5384   EL_DC_STEELWALL_1_BOTTOMLEFT,
5385   EL_DC_STEELWALL_1_HORIZONTAL,
5386   EL_DC_STEELWALL_1_BOTTOMRIGHT,
5387   EL_DC_GATE_FAKE_GRAY,
5388
5389   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
5390   EL_DC_STEELWALL_1_BOTTOM,
5391   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
5392   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
5393
5394   EL_DC_STEELWALL_1_RIGHT,
5395   EL_EMPTY,
5396   EL_DC_STEELWALL_1_LEFT,
5397   EL_EXPANDABLE_STEELWALL_VERTICAL,
5398
5399   EL_DC_STEELWALL_1_TOPRIGHT_2,
5400   EL_DC_STEELWALL_1_TOP,
5401   EL_DC_STEELWALL_1_TOPLEFT_2,
5402   EL_EXPANDABLE_STEELWALL_ANY,
5403 };
5404 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
5405 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
5406 static int num_editor_hl_diamond_caves = ARRAY_SIZE(editor_hl_diamond_caves);
5407 static int num_editor_el_diamond_caves = ARRAY_SIZE(editor_el_diamond_caves);
5408
5409 static int editor_hl_dx_boulderdash[] =
5410 {
5411   EL_INTERNAL_CASCADE_DX_ACTIVE,
5412   EL_CHAR('D'),
5413   EL_CHAR('X'),
5414   EL_EMPTY,
5415 };
5416
5417 static int editor_el_dx_boulderdash[] =
5418 {
5419   EL_EMPTY,
5420   EL_TUBE_RIGHT_DOWN,
5421   EL_TUBE_HORIZONTAL_DOWN,
5422   EL_TUBE_LEFT_DOWN,
5423
5424   EL_TUBE_HORIZONTAL,
5425   EL_TUBE_VERTICAL_RIGHT,
5426   EL_TUBE_ANY,
5427   EL_TUBE_VERTICAL_LEFT,
5428
5429   EL_TUBE_VERTICAL,
5430   EL_TUBE_RIGHT_UP,
5431   EL_TUBE_HORIZONTAL_UP,
5432   EL_TUBE_LEFT_UP,
5433
5434   EL_TRAP,
5435   EL_DX_SUPABOMB,
5436   EL_EMPTY,
5437   EL_EMPTY
5438 };
5439 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
5440 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
5441 static int num_editor_hl_dx_boulderdash = ARRAY_SIZE(editor_hl_dx_boulderdash);
5442 static int num_editor_el_dx_boulderdash = ARRAY_SIZE(editor_el_dx_boulderdash);
5443
5444 static int editor_hl_mirror_magic[] =
5445 {
5446   EL_INTERNAL_CASCADE_MM_ACTIVE,
5447   EL_CHAR('M'),
5448   EL_CHAR('M'),
5449   EL_EMPTY,
5450 };
5451
5452 static int editor_el_mirror_magic[] =
5453 {
5454   EL_MM_MCDUFFIN_RIGHT,
5455   EL_MM_MCDUFFIN_UP,
5456   EL_MM_MCDUFFIN_LEFT,
5457   EL_MM_MCDUFFIN_DOWN,
5458
5459   EL_MM_MIRROR_START,
5460   EL_MM_MIRROR_FIXED_START,
5461   EL_MM_POLARIZER_START,
5462   EL_MM_POLARIZER_CROSS_START,
5463
5464   EL_MM_TELEPORTER_RED_START,
5465   EL_MM_TELEPORTER_YELLOW_START,
5466   EL_MM_TELEPORTER_GREEN_START,
5467   EL_MM_TELEPORTER_BLUE_START,
5468
5469   EL_MM_PRISM,
5470   EL_MM_FUSE_ACTIVE,
5471   EL_MM_PACMAN_RIGHT,
5472   EL_MM_EXIT_CLOSED,
5473
5474   EL_MM_KETTLE,
5475   EL_MM_BOMB,
5476   EL_MM_KEY,
5477   EL_MM_FUEL_FULL,
5478
5479   EL_MM_LIGHTBULB,
5480   EL_MM_LIGHTBULB_ACTIVE,
5481   EL_MM_GRAY_BALL,
5482   EL_MM_LIGHTBALL,
5483
5484   EL_MM_STEEL_WALL,
5485   EL_MM_WOODEN_WALL,
5486   EL_MM_ICE_WALL,
5487   EL_MM_AMOEBA_WALL,
5488
5489   EL_MM_STEEL_LOCK,
5490   EL_MM_WOODEN_LOCK,
5491   EL_MM_STEEL_BLOCK,
5492   EL_MM_WOODEN_BLOCK,
5493
5494   EL_MM_STEEL_GRID_FIXED_1,
5495   EL_MM_STEEL_GRID_FIXED_2,
5496   EL_MM_STEEL_GRID_FIXED_3,
5497   EL_MM_STEEL_GRID_FIXED_4,
5498
5499   EL_MM_WOODEN_GRID_FIXED_1,
5500   EL_MM_WOODEN_GRID_FIXED_2,
5501   EL_MM_WOODEN_GRID_FIXED_3,
5502   EL_MM_WOODEN_GRID_FIXED_4,
5503
5504   EL_MM_ENVELOPE_1,
5505   EL_MM_ENVELOPE_2,
5506   EL_MM_ENVELOPE_3,
5507   EL_MM_ENVELOPE_4
5508 };
5509 static int *editor_hl_mirror_magic_ptr = editor_hl_mirror_magic;
5510 static int *editor_el_mirror_magic_ptr = editor_el_mirror_magic;
5511 static int num_editor_hl_mirror_magic = ARRAY_SIZE(editor_hl_mirror_magic);
5512 static int num_editor_el_mirror_magic = ARRAY_SIZE(editor_el_mirror_magic);
5513
5514 static int editor_hl_deflektor[] =
5515 {
5516   EL_INTERNAL_CASCADE_DF_ACTIVE,
5517   EL_CHAR('D'),
5518   EL_CHAR('F'),
5519   EL_EMPTY,
5520 };
5521
5522 static int editor_el_deflektor[] =
5523 {
5524   EL_DF_LASER_RIGHT,
5525   EL_DF_LASER_UP,
5526   EL_DF_LASER_LEFT,
5527   EL_DF_LASER_DOWN,
5528
5529   EL_DF_RECEIVER_RIGHT,
5530   EL_DF_RECEIVER_UP,
5531   EL_DF_RECEIVER_LEFT,
5532   EL_DF_RECEIVER_DOWN,
5533
5534   EL_DF_MIRROR_START,
5535   EL_DF_MIRROR_ROTATING_START,
5536   EL_DF_MIRROR_FIXED_START,
5537   EL_DF_CELL,
5538
5539   EL_DF_FIBRE_OPTIC_RED_1,
5540   EL_DF_FIBRE_OPTIC_YELLOW_1,
5541   EL_DF_FIBRE_OPTIC_GREEN_1,
5542   EL_DF_FIBRE_OPTIC_BLUE_1,
5543
5544   EL_DF_STEEL_GRID_FIXED_START,
5545   EL_DF_STEEL_GRID_ROTATING_START,
5546   EL_DF_WOODEN_GRID_FIXED_START,
5547   EL_DF_WOODEN_GRID_ROTATING_START,
5548
5549   EL_DF_STEEL_WALL,
5550   EL_DF_WOODEN_WALL,
5551   EL_DF_REFRACTOR,
5552   EL_DF_MINE,
5553
5554   EL_DF_SLOPE_1,
5555   EL_DF_SLOPE_2,
5556   EL_DF_SLOPE_3,
5557   EL_DF_SLOPE_4
5558 };
5559 static int *editor_hl_deflektor_ptr = editor_hl_deflektor;
5560 static int *editor_el_deflektor_ptr = editor_el_deflektor;
5561 static int num_editor_hl_deflektor = ARRAY_SIZE(editor_hl_deflektor);
5562 static int num_editor_el_deflektor = ARRAY_SIZE(editor_el_deflektor);
5563
5564 static int editor_hl_chars[] =
5565 {
5566   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
5567   EL_CHAR('T'),
5568   EL_CHAR('X'),
5569   EL_CHAR('T'),
5570 };
5571
5572 static int editor_el_chars[] =
5573 {
5574   EL_CHAR(' '),
5575   EL_CHAR('!'),
5576   EL_CHAR('"'),
5577   EL_CHAR('#'),
5578
5579   EL_CHAR('$'),
5580   EL_CHAR('%'),
5581   EL_CHAR('&'),
5582   EL_CHAR('\''),
5583
5584   EL_CHAR('('),
5585   EL_CHAR(')'),
5586   EL_CHAR('*'),
5587   EL_CHAR('+'),
5588
5589   EL_CHAR(','),
5590   EL_CHAR('-'),
5591   EL_CHAR('.'),
5592   EL_CHAR('/'),
5593
5594   EL_CHAR('0'),
5595   EL_CHAR('1'),
5596   EL_CHAR('2'),
5597   EL_CHAR('3'),
5598
5599   EL_CHAR('4'),
5600   EL_CHAR('5'),
5601   EL_CHAR('6'),
5602   EL_CHAR('7'),
5603
5604   EL_CHAR('8'),
5605   EL_CHAR('9'),
5606   EL_CHAR(':'),
5607   EL_CHAR(';'),
5608
5609   EL_CHAR('<'),
5610   EL_CHAR('='),
5611   EL_CHAR('>'),
5612   EL_CHAR('?'),
5613
5614   EL_CHAR('@'),
5615   EL_CHAR('A'),
5616   EL_CHAR('B'),
5617   EL_CHAR('C'),
5618
5619   EL_CHAR('D'),
5620   EL_CHAR('E'),
5621   EL_CHAR('F'),
5622   EL_CHAR('G'),
5623
5624   EL_CHAR('H'),
5625   EL_CHAR('I'),
5626   EL_CHAR('J'),
5627   EL_CHAR('K'),
5628
5629   EL_CHAR('L'),
5630   EL_CHAR('M'),
5631   EL_CHAR('N'),
5632   EL_CHAR('O'),
5633
5634   EL_CHAR('P'),
5635   EL_CHAR('Q'),
5636   EL_CHAR('R'),
5637   EL_CHAR('S'),
5638
5639   EL_CHAR('T'),
5640   EL_CHAR('U'),
5641   EL_CHAR('V'),
5642   EL_CHAR('W'),
5643
5644   EL_CHAR('X'),
5645   EL_CHAR('Y'),
5646   EL_CHAR('Z'),
5647   EL_CHAR('['),
5648
5649   EL_CHAR('\\'),
5650   EL_CHAR(']'),
5651   EL_CHAR('^'),
5652   EL_CHAR('_'),
5653
5654   EL_CHAR(CHAR_BYTE_COPYRIGHT),
5655   EL_CHAR(CHAR_BYTE_UMLAUT_A),
5656   EL_CHAR(CHAR_BYTE_UMLAUT_O),
5657   EL_CHAR(CHAR_BYTE_UMLAUT_U),
5658
5659   EL_CHAR(CHAR_BYTE_DEGREE),
5660   EL_CHAR(CHAR_BYTE_REGISTERED),
5661   EL_CHAR(FONT_ASCII_CURSOR),
5662   EL_CHAR(FONT_ASCII_BUTTON),
5663
5664   EL_CHAR(FONT_ASCII_UP),
5665   EL_CHAR(FONT_ASCII_DOWN),
5666   EL_CHAR(' '),
5667   EL_CHAR(' ')
5668 };
5669 static int *editor_hl_chars_ptr = editor_hl_chars;
5670 static int *editor_el_chars_ptr = editor_el_chars;
5671 static int num_editor_hl_chars = ARRAY_SIZE(editor_hl_chars);
5672 static int num_editor_el_chars = ARRAY_SIZE(editor_el_chars);
5673
5674 static int editor_hl_steel_chars[] =
5675 {
5676   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
5677   EL_STEEL_CHAR('T'),
5678   EL_STEEL_CHAR('X'),
5679   EL_STEEL_CHAR('T'),
5680 };
5681
5682 static int editor_el_steel_chars[] =
5683 {
5684   EL_STEEL_CHAR(' '),
5685   EL_STEEL_CHAR('!'),
5686   EL_STEEL_CHAR('"'),
5687   EL_STEEL_CHAR('#'),
5688
5689   EL_STEEL_CHAR('$'),
5690   EL_STEEL_CHAR('%'),
5691   EL_STEEL_CHAR('&'),
5692   EL_STEEL_CHAR('\''),
5693
5694   EL_STEEL_CHAR('('),
5695   EL_STEEL_CHAR(')'),
5696   EL_STEEL_CHAR('*'),
5697   EL_STEEL_CHAR('+'),
5698
5699   EL_STEEL_CHAR(','),
5700   EL_STEEL_CHAR('-'),
5701   EL_STEEL_CHAR('.'),
5702   EL_STEEL_CHAR('/'),
5703
5704   EL_STEEL_CHAR('0'),
5705   EL_STEEL_CHAR('1'),
5706   EL_STEEL_CHAR('2'),
5707   EL_STEEL_CHAR('3'),
5708
5709   EL_STEEL_CHAR('4'),
5710   EL_STEEL_CHAR('5'),
5711   EL_STEEL_CHAR('6'),
5712   EL_STEEL_CHAR('7'),
5713
5714   EL_STEEL_CHAR('8'),
5715   EL_STEEL_CHAR('9'),
5716   EL_STEEL_CHAR(':'),
5717   EL_STEEL_CHAR(';'),
5718
5719   EL_STEEL_CHAR('<'),
5720   EL_STEEL_CHAR('='),
5721   EL_STEEL_CHAR('>'),
5722   EL_STEEL_CHAR('?'),
5723
5724   EL_STEEL_CHAR('@'),
5725   EL_STEEL_CHAR('A'),
5726   EL_STEEL_CHAR('B'),
5727   EL_STEEL_CHAR('C'),
5728
5729   EL_STEEL_CHAR('D'),
5730   EL_STEEL_CHAR('E'),
5731   EL_STEEL_CHAR('F'),
5732   EL_STEEL_CHAR('G'),
5733
5734   EL_STEEL_CHAR('H'),
5735   EL_STEEL_CHAR('I'),
5736   EL_STEEL_CHAR('J'),
5737   EL_STEEL_CHAR('K'),
5738
5739   EL_STEEL_CHAR('L'),
5740   EL_STEEL_CHAR('M'),
5741   EL_STEEL_CHAR('N'),
5742   EL_STEEL_CHAR('O'),
5743
5744   EL_STEEL_CHAR('P'),
5745   EL_STEEL_CHAR('Q'),
5746   EL_STEEL_CHAR('R'),
5747   EL_STEEL_CHAR('S'),
5748
5749   EL_STEEL_CHAR('T'),
5750   EL_STEEL_CHAR('U'),
5751   EL_STEEL_CHAR('V'),
5752   EL_STEEL_CHAR('W'),
5753
5754   EL_STEEL_CHAR('X'),
5755   EL_STEEL_CHAR('Y'),
5756   EL_STEEL_CHAR('Z'),
5757   EL_STEEL_CHAR('['),
5758
5759   EL_STEEL_CHAR('\\'),
5760   EL_STEEL_CHAR(']'),
5761   EL_STEEL_CHAR('^'),
5762   EL_STEEL_CHAR('_'),
5763
5764   EL_STEEL_CHAR(CHAR_BYTE_COPYRIGHT),
5765   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_A),
5766   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_O),
5767   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_U),
5768
5769   EL_STEEL_CHAR(CHAR_BYTE_DEGREE),
5770   EL_STEEL_CHAR(CHAR_BYTE_REGISTERED),
5771   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
5772   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
5773
5774   EL_STEEL_CHAR(FONT_ASCII_UP),
5775   EL_STEEL_CHAR(FONT_ASCII_DOWN),
5776   EL_STEEL_CHAR(' '),
5777   EL_STEEL_CHAR(' ')
5778 };
5779 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
5780 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
5781 static int num_editor_hl_steel_chars = ARRAY_SIZE(editor_hl_steel_chars);
5782 static int num_editor_el_steel_chars = ARRAY_SIZE(editor_el_steel_chars);
5783
5784 static int editor_hl_custom[] =
5785 {
5786   EL_INTERNAL_CASCADE_CE_ACTIVE,
5787   EL_CHAR('C'),
5788   EL_CHAR('E'),
5789   EL_EMPTY,
5790 };
5791
5792 static int editor_el_custom[] =
5793 {
5794   EL_CUSTOM_START + 0,
5795   EL_CUSTOM_START + 1,
5796   EL_CUSTOM_START + 2,
5797   EL_CUSTOM_START + 3,
5798
5799   EL_CUSTOM_START + 4,
5800   EL_CUSTOM_START + 5,
5801   EL_CUSTOM_START + 6,
5802   EL_CUSTOM_START + 7,
5803
5804   EL_CUSTOM_START + 8,
5805   EL_CUSTOM_START + 9,
5806   EL_CUSTOM_START + 10,
5807   EL_CUSTOM_START + 11,
5808
5809   EL_CUSTOM_START + 12,
5810   EL_CUSTOM_START + 13,
5811   EL_CUSTOM_START + 14,
5812   EL_CUSTOM_START + 15,
5813
5814   EL_CUSTOM_START + 16,
5815   EL_CUSTOM_START + 17,
5816   EL_CUSTOM_START + 18,
5817   EL_CUSTOM_START + 19,
5818
5819   EL_CUSTOM_START + 20,
5820   EL_CUSTOM_START + 21,
5821   EL_CUSTOM_START + 22,
5822   EL_CUSTOM_START + 23,
5823
5824   EL_CUSTOM_START + 24,
5825   EL_CUSTOM_START + 25,
5826   EL_CUSTOM_START + 26,
5827   EL_CUSTOM_START + 27,
5828
5829   EL_CUSTOM_START + 28,
5830   EL_CUSTOM_START + 29,
5831   EL_CUSTOM_START + 30,
5832   EL_CUSTOM_START + 31,
5833
5834   EL_CUSTOM_START + 32,
5835   EL_CUSTOM_START + 33,
5836   EL_CUSTOM_START + 34,
5837   EL_CUSTOM_START + 35,
5838
5839   EL_CUSTOM_START + 36,
5840   EL_CUSTOM_START + 37,
5841   EL_CUSTOM_START + 38,
5842   EL_CUSTOM_START + 39,
5843
5844   EL_CUSTOM_START + 40,
5845   EL_CUSTOM_START + 41,
5846   EL_CUSTOM_START + 42,
5847   EL_CUSTOM_START + 43,
5848
5849   EL_CUSTOM_START + 44,
5850   EL_CUSTOM_START + 45,
5851   EL_CUSTOM_START + 46,
5852   EL_CUSTOM_START + 47,
5853
5854   EL_CUSTOM_START + 48,
5855   EL_CUSTOM_START + 49,
5856   EL_CUSTOM_START + 50,
5857   EL_CUSTOM_START + 51,
5858
5859   EL_CUSTOM_START + 52,
5860   EL_CUSTOM_START + 53,
5861   EL_CUSTOM_START + 54,
5862   EL_CUSTOM_START + 55,
5863
5864   EL_CUSTOM_START + 56,
5865   EL_CUSTOM_START + 57,
5866   EL_CUSTOM_START + 58,
5867   EL_CUSTOM_START + 59,
5868
5869   EL_CUSTOM_START + 60,
5870   EL_CUSTOM_START + 61,
5871   EL_CUSTOM_START + 62,
5872   EL_CUSTOM_START + 63,
5873
5874   EL_CUSTOM_START + 64,
5875   EL_CUSTOM_START + 65,
5876   EL_CUSTOM_START + 66,
5877   EL_CUSTOM_START + 67,
5878
5879   EL_CUSTOM_START + 68,
5880   EL_CUSTOM_START + 69,
5881   EL_CUSTOM_START + 70,
5882   EL_CUSTOM_START + 71,
5883
5884   EL_CUSTOM_START + 72,
5885   EL_CUSTOM_START + 73,
5886   EL_CUSTOM_START + 74,
5887   EL_CUSTOM_START + 75,
5888
5889   EL_CUSTOM_START + 76,
5890   EL_CUSTOM_START + 77,
5891   EL_CUSTOM_START + 78,
5892   EL_CUSTOM_START + 79,
5893
5894   EL_CUSTOM_START + 80,
5895   EL_CUSTOM_START + 81,
5896   EL_CUSTOM_START + 82,
5897   EL_CUSTOM_START + 83,
5898
5899   EL_CUSTOM_START + 84,
5900   EL_CUSTOM_START + 85,
5901   EL_CUSTOM_START + 86,
5902   EL_CUSTOM_START + 87,
5903
5904   EL_CUSTOM_START + 88,
5905   EL_CUSTOM_START + 89,
5906   EL_CUSTOM_START + 90,
5907   EL_CUSTOM_START + 91,
5908
5909   EL_CUSTOM_START + 92,
5910   EL_CUSTOM_START + 93,
5911   EL_CUSTOM_START + 94,
5912   EL_CUSTOM_START + 95,
5913
5914   EL_CUSTOM_START + 96,
5915   EL_CUSTOM_START + 97,
5916   EL_CUSTOM_START + 98,
5917   EL_CUSTOM_START + 99,
5918
5919   EL_CUSTOM_START + 100,
5920   EL_CUSTOM_START + 101,
5921   EL_CUSTOM_START + 102,
5922   EL_CUSTOM_START + 103,
5923
5924   EL_CUSTOM_START + 104,
5925   EL_CUSTOM_START + 105,
5926   EL_CUSTOM_START + 106,
5927   EL_CUSTOM_START + 107,
5928
5929   EL_CUSTOM_START + 108,
5930   EL_CUSTOM_START + 109,
5931   EL_CUSTOM_START + 110,
5932   EL_CUSTOM_START + 111,
5933
5934   EL_CUSTOM_START + 112,
5935   EL_CUSTOM_START + 113,
5936   EL_CUSTOM_START + 114,
5937   EL_CUSTOM_START + 115,
5938
5939   EL_CUSTOM_START + 116,
5940   EL_CUSTOM_START + 117,
5941   EL_CUSTOM_START + 118,
5942   EL_CUSTOM_START + 119,
5943
5944   EL_CUSTOM_START + 120,
5945   EL_CUSTOM_START + 121,
5946   EL_CUSTOM_START + 122,
5947   EL_CUSTOM_START + 123,
5948
5949   EL_CUSTOM_START + 124,
5950   EL_CUSTOM_START + 125,
5951   EL_CUSTOM_START + 126,
5952   EL_CUSTOM_START + 127,
5953
5954   EL_CUSTOM_START + 128,
5955   EL_CUSTOM_START + 129,
5956   EL_CUSTOM_START + 130,
5957   EL_CUSTOM_START + 131,
5958
5959   EL_CUSTOM_START + 132,
5960   EL_CUSTOM_START + 133,
5961   EL_CUSTOM_START + 134,
5962   EL_CUSTOM_START + 135,
5963
5964   EL_CUSTOM_START + 136,
5965   EL_CUSTOM_START + 137,
5966   EL_CUSTOM_START + 138,
5967   EL_CUSTOM_START + 139,
5968
5969   EL_CUSTOM_START + 140,
5970   EL_CUSTOM_START + 141,
5971   EL_CUSTOM_START + 142,
5972   EL_CUSTOM_START + 143,
5973
5974   EL_CUSTOM_START + 144,
5975   EL_CUSTOM_START + 145,
5976   EL_CUSTOM_START + 146,
5977   EL_CUSTOM_START + 147,
5978
5979   EL_CUSTOM_START + 148,
5980   EL_CUSTOM_START + 149,
5981   EL_CUSTOM_START + 150,
5982   EL_CUSTOM_START + 151,
5983
5984   EL_CUSTOM_START + 152,
5985   EL_CUSTOM_START + 153,
5986   EL_CUSTOM_START + 154,
5987   EL_CUSTOM_START + 155,
5988
5989   EL_CUSTOM_START + 156,
5990   EL_CUSTOM_START + 157,
5991   EL_CUSTOM_START + 158,
5992   EL_CUSTOM_START + 159,
5993
5994   EL_CUSTOM_START + 160,
5995   EL_CUSTOM_START + 161,
5996   EL_CUSTOM_START + 162,
5997   EL_CUSTOM_START + 163,
5998
5999   EL_CUSTOM_START + 164,
6000   EL_CUSTOM_START + 165,
6001   EL_CUSTOM_START + 166,
6002   EL_CUSTOM_START + 167,
6003
6004   EL_CUSTOM_START + 168,
6005   EL_CUSTOM_START + 169,
6006   EL_CUSTOM_START + 170,
6007   EL_CUSTOM_START + 171,
6008
6009   EL_CUSTOM_START + 172,
6010   EL_CUSTOM_START + 173,
6011   EL_CUSTOM_START + 174,
6012   EL_CUSTOM_START + 175,
6013
6014   EL_CUSTOM_START + 176,
6015   EL_CUSTOM_START + 177,
6016   EL_CUSTOM_START + 178,
6017   EL_CUSTOM_START + 179,
6018
6019   EL_CUSTOM_START + 180,
6020   EL_CUSTOM_START + 181,
6021   EL_CUSTOM_START + 182,
6022   EL_CUSTOM_START + 183,
6023
6024   EL_CUSTOM_START + 184,
6025   EL_CUSTOM_START + 185,
6026   EL_CUSTOM_START + 186,
6027   EL_CUSTOM_START + 187,
6028
6029   EL_CUSTOM_START + 188,
6030   EL_CUSTOM_START + 189,
6031   EL_CUSTOM_START + 190,
6032   EL_CUSTOM_START + 191,
6033
6034   EL_CUSTOM_START + 192,
6035   EL_CUSTOM_START + 193,
6036   EL_CUSTOM_START + 194,
6037   EL_CUSTOM_START + 195,
6038
6039   EL_CUSTOM_START + 196,
6040   EL_CUSTOM_START + 197,
6041   EL_CUSTOM_START + 198,
6042   EL_CUSTOM_START + 199,
6043
6044   EL_CUSTOM_START + 200,
6045   EL_CUSTOM_START + 201,
6046   EL_CUSTOM_START + 202,
6047   EL_CUSTOM_START + 203,
6048
6049   EL_CUSTOM_START + 204,
6050   EL_CUSTOM_START + 205,
6051   EL_CUSTOM_START + 206,
6052   EL_CUSTOM_START + 207,
6053
6054   EL_CUSTOM_START + 208,
6055   EL_CUSTOM_START + 209,
6056   EL_CUSTOM_START + 210,
6057   EL_CUSTOM_START + 211,
6058
6059   EL_CUSTOM_START + 212,
6060   EL_CUSTOM_START + 213,
6061   EL_CUSTOM_START + 214,
6062   EL_CUSTOM_START + 215,
6063
6064   EL_CUSTOM_START + 216,
6065   EL_CUSTOM_START + 217,
6066   EL_CUSTOM_START + 218,
6067   EL_CUSTOM_START + 219,
6068
6069   EL_CUSTOM_START + 220,
6070   EL_CUSTOM_START + 221,
6071   EL_CUSTOM_START + 222,
6072   EL_CUSTOM_START + 223,
6073
6074   EL_CUSTOM_START + 224,
6075   EL_CUSTOM_START + 225,
6076   EL_CUSTOM_START + 226,
6077   EL_CUSTOM_START + 227,
6078
6079   EL_CUSTOM_START + 228,
6080   EL_CUSTOM_START + 229,
6081   EL_CUSTOM_START + 230,
6082   EL_CUSTOM_START + 231,
6083
6084   EL_CUSTOM_START + 232,
6085   EL_CUSTOM_START + 233,
6086   EL_CUSTOM_START + 234,
6087   EL_CUSTOM_START + 235,
6088
6089   EL_CUSTOM_START + 236,
6090   EL_CUSTOM_START + 237,
6091   EL_CUSTOM_START + 238,
6092   EL_CUSTOM_START + 239,
6093
6094   EL_CUSTOM_START + 240,
6095   EL_CUSTOM_START + 241,
6096   EL_CUSTOM_START + 242,
6097   EL_CUSTOM_START + 243,
6098
6099   EL_CUSTOM_START + 244,
6100   EL_CUSTOM_START + 245,
6101   EL_CUSTOM_START + 246,
6102   EL_CUSTOM_START + 247,
6103
6104   EL_CUSTOM_START + 248,
6105   EL_CUSTOM_START + 249,
6106   EL_CUSTOM_START + 250,
6107   EL_CUSTOM_START + 251,
6108
6109   EL_CUSTOM_START + 252,
6110   EL_CUSTOM_START + 253,
6111   EL_CUSTOM_START + 254,
6112   EL_CUSTOM_START + 255
6113 };
6114 static int *editor_hl_custom_ptr = editor_hl_custom;
6115 static int *editor_el_custom_ptr = editor_el_custom;
6116 static int num_editor_hl_custom = ARRAY_SIZE(editor_hl_custom);
6117 static int num_editor_el_custom = ARRAY_SIZE(editor_el_custom);
6118
6119 static int editor_hl_group[] =
6120 {
6121   EL_INTERNAL_CASCADE_GE_ACTIVE,
6122   EL_CHAR('G'),
6123   EL_CHAR('E'),
6124   EL_EMPTY,
6125 };
6126
6127 static int editor_el_group[] =
6128 {
6129   EL_GROUP_START + 0,
6130   EL_GROUP_START + 1,
6131   EL_GROUP_START + 2,
6132   EL_GROUP_START + 3,
6133
6134   EL_GROUP_START + 4,
6135   EL_GROUP_START + 5,
6136   EL_GROUP_START + 6,
6137   EL_GROUP_START + 7,
6138
6139   EL_GROUP_START + 8,
6140   EL_GROUP_START + 9,
6141   EL_GROUP_START + 10,
6142   EL_GROUP_START + 11,
6143
6144   EL_GROUP_START + 12,
6145   EL_GROUP_START + 13,
6146   EL_GROUP_START + 14,
6147   EL_GROUP_START + 15,
6148
6149   EL_GROUP_START + 16,
6150   EL_GROUP_START + 17,
6151   EL_GROUP_START + 18,
6152   EL_GROUP_START + 19,
6153
6154   EL_GROUP_START + 20,
6155   EL_GROUP_START + 21,
6156   EL_GROUP_START + 22,
6157   EL_GROUP_START + 23,
6158
6159   EL_GROUP_START + 24,
6160   EL_GROUP_START + 25,
6161   EL_GROUP_START + 26,
6162   EL_GROUP_START + 27,
6163
6164   EL_GROUP_START + 28,
6165   EL_GROUP_START + 29,
6166   EL_GROUP_START + 30,
6167   EL_GROUP_START + 31
6168 };
6169 static int *editor_hl_group_ptr = editor_hl_group;
6170 static int *editor_el_group_ptr = editor_el_group;
6171 static int num_editor_hl_group = ARRAY_SIZE(editor_hl_group);
6172 static int num_editor_el_group = ARRAY_SIZE(editor_el_group);
6173
6174 static int editor_hl_empty_space[] =
6175 {
6176   EL_INTERNAL_CASCADE_ES_ACTIVE,
6177   EL_CHAR('E'),
6178   EL_CHAR('S'),
6179   EL_EMPTY,
6180 };
6181
6182 static int editor_el_empty_space[] =
6183 {
6184   EL_EMPTY_SPACE_1,
6185   EL_EMPTY_SPACE_2,
6186   EL_EMPTY_SPACE_3,
6187   EL_EMPTY_SPACE_4,
6188
6189   EL_EMPTY_SPACE_5,
6190   EL_EMPTY_SPACE_6,
6191   EL_EMPTY_SPACE_7,
6192   EL_EMPTY_SPACE_8,
6193
6194   EL_EMPTY_SPACE_9,
6195   EL_EMPTY_SPACE_10,
6196   EL_EMPTY_SPACE_11,
6197   EL_EMPTY_SPACE_12,
6198
6199   EL_EMPTY_SPACE_13,
6200   EL_EMPTY_SPACE_14,
6201   EL_EMPTY_SPACE_15,
6202   EL_EMPTY_SPACE_16
6203 };
6204 static int *editor_hl_empty_space_ptr = editor_hl_empty_space;
6205 static int *editor_el_empty_space_ptr = editor_el_empty_space;
6206 static int num_editor_hl_empty_space = ARRAY_SIZE(editor_hl_empty_space);
6207 static int num_editor_el_empty_space = ARRAY_SIZE(editor_el_empty_space);
6208
6209 static int editor_hl_reference[] =
6210 {
6211   EL_INTERNAL_CASCADE_REF_ACTIVE,
6212   EL_CHAR('R'),
6213   EL_CHAR('E'),
6214   EL_CHAR('F')
6215 };
6216
6217 static int editor_el_reference[] =
6218 {
6219   EL_TRIGGER_PLAYER,
6220   EL_TRIGGER_ELEMENT,
6221   EL_TRIGGER_CE_VALUE,
6222   EL_TRIGGER_CE_SCORE,
6223
6224   EL_SELF,
6225   EL_ANY_ELEMENT,
6226   EL_CURRENT_CE_VALUE,
6227   EL_CURRENT_CE_SCORE,
6228
6229   EL_PREV_CE_8,
6230   EL_PREV_CE_7,
6231   EL_PREV_CE_6,
6232   EL_PREV_CE_5,
6233
6234   EL_PREV_CE_4,
6235   EL_PREV_CE_3,
6236   EL_PREV_CE_2,
6237   EL_PREV_CE_1,
6238
6239   EL_NEXT_CE_1,
6240   EL_NEXT_CE_2,
6241   EL_NEXT_CE_3,
6242   EL_NEXT_CE_4,
6243
6244   EL_NEXT_CE_5,
6245   EL_NEXT_CE_6,
6246   EL_NEXT_CE_7,
6247   EL_NEXT_CE_8,
6248 };
6249 static int *editor_hl_reference_ptr = editor_hl_reference;
6250 static int *editor_el_reference_ptr = editor_el_reference;
6251 static int num_editor_hl_reference = ARRAY_SIZE(editor_hl_reference);
6252 static int num_editor_el_reference = ARRAY_SIZE(editor_el_reference);
6253
6254 static int editor_hl_user_defined[] =
6255 {
6256   EL_INTERNAL_CASCADE_USER_ACTIVE,
6257   EL_CHAR('M'),
6258   EL_CHAR('Y'),
6259   EL_EMPTY,
6260 };
6261
6262 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
6263 static int *editor_el_user_defined_ptr = NULL;
6264 static int num_editor_hl_user_defined = ARRAY_SIZE(editor_hl_user_defined);
6265 static int num_editor_el_user_defined = 0;
6266
6267 static int editor_hl_dynamic[] =
6268 {
6269   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
6270   EL_CHAR('U'),
6271   EL_CHAR('S'),
6272   EL_CHAR('E'),
6273 };
6274
6275 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
6276 static int *editor_el_dynamic_ptr = NULL;
6277 static int num_editor_hl_dynamic = ARRAY_SIZE(editor_hl_dynamic);
6278 static int num_editor_el_dynamic = 0;
6279
6280 static int editor_hl_empty[] = { EL_EMPTY };
6281 static int *editor_el_empty = NULL;     // dynamically allocated
6282
6283 static int *editor_hl_empty_ptr = editor_hl_empty;
6284 static int *editor_el_empty_ptr = NULL;
6285 static int num_editor_hl_empty = 0;
6286 static int num_editor_el_empty = 0;     // dynamically determined, if needed
6287
6288 static boolean use_el_empty = FALSE;
6289
6290 static int *editor_elements = NULL;     // dynamically allocated
6291 static int num_editor_elements = 0;     // dynamically determined
6292
6293 static boolean setup_editor_cascade_never = FALSE;
6294
6295 static boolean setup_editor_el_players                  = TRUE;
6296 static boolean setup_editor_el_boulderdash              = TRUE;
6297 static boolean setup_editor_el_boulderdash_native       = TRUE;
6298 static boolean setup_editor_el_emerald_mine             = TRUE;
6299 static boolean setup_editor_el_emerald_mine_club        = TRUE;
6300 static boolean setup_editor_el_more                     = TRUE;
6301 static boolean setup_editor_el_sokoban                  = TRUE;
6302 static boolean setup_editor_el_supaplex                 = TRUE;
6303 static boolean setup_editor_el_diamond_caves            = TRUE;
6304 static boolean setup_editor_el_dx_boulderdash           = TRUE;
6305 static boolean setup_editor_el_mirror_magic             = TRUE;
6306 static boolean setup_editor_el_deflektor                = TRUE;
6307 static boolean setup_editor_el_chars                    = TRUE;
6308 static boolean setup_editor_el_steel_chars              = TRUE;
6309 static boolean setup_editor_el_custom                   = TRUE;
6310 static boolean setup_editor_el_user_defined             = TRUE;
6311 static boolean setup_editor_el_dynamic                  = TRUE;
6312
6313 static int editor_hl_unused[] = { EL_EMPTY };
6314 static int *editor_hl_unused_ptr = editor_hl_unused;
6315 static int num_editor_hl_unused = 0;
6316
6317 static struct
6318 {
6319   boolean *setup_value;
6320   boolean *setup_cascade_value;
6321
6322   int **headline_list;
6323   int *headline_list_size;
6324
6325   int **element_list;
6326   int *element_list_size;
6327
6328   boolean last_setup_value;
6329 }
6330 editor_elements_info[] =
6331 {
6332   {
6333     &setup_editor_el_players,
6334     &setup_editor_cascade_never,
6335     &editor_hl_unused_ptr,              &num_editor_hl_unused,
6336     &editor_el_players_ptr,             &num_editor_el_players
6337   },
6338   {
6339     &setup_editor_el_boulderdash,
6340     &setup.editor_cascade.el_bd,
6341     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
6342     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
6343   },
6344   {
6345     &setup_editor_el_boulderdash_native,
6346     &setup.editor_cascade.el_bd_native,
6347     &editor_hl_boulderdash_native_ptr,  &num_editor_hl_boulderdash_native,
6348     &editor_el_boulderdash_native_ptr,  &num_editor_el_boulderdash_native
6349   },
6350   {
6351     &setup_editor_el_emerald_mine,
6352     &setup.editor_cascade.el_em,
6353     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
6354     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
6355   },
6356   {
6357     &setup_editor_el_emerald_mine_club,
6358     &setup.editor_cascade.el_emc,
6359     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
6360     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
6361   },
6362   {
6363     &setup_editor_el_more,
6364     &setup.editor_cascade.el_rnd,
6365     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
6366     &editor_el_rnd_ptr,                 &num_editor_el_rnd
6367   },
6368   {
6369     &setup_editor_el_sokoban,
6370     &setup.editor_cascade.el_sb,
6371     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
6372     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
6373   },
6374   {
6375     &setup_editor_el_supaplex,
6376     &setup.editor_cascade.el_sp,
6377     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
6378     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
6379   },
6380   {
6381     &setup_editor_el_diamond_caves,
6382     &setup.editor_cascade.el_dc,
6383     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
6384     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
6385   },
6386   {
6387     &setup_editor_el_dx_boulderdash,
6388     &setup.editor_cascade.el_dx,
6389     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
6390     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
6391   },
6392   {
6393     &setup_editor_el_mirror_magic,
6394     &setup.editor_cascade.el_mm,
6395     &editor_hl_mirror_magic_ptr,        &num_editor_hl_mirror_magic,
6396     &editor_el_mirror_magic_ptr,        &num_editor_el_mirror_magic
6397   },
6398   {
6399     &setup_editor_el_deflektor,
6400     &setup.editor_cascade.el_df,
6401     &editor_hl_deflektor_ptr,           &num_editor_hl_deflektor,
6402     &editor_el_deflektor_ptr,           &num_editor_el_deflektor
6403   },
6404   {
6405     &setup_editor_el_chars,
6406     &setup.editor_cascade.el_chars,
6407     &editor_hl_chars_ptr,               &num_editor_hl_chars,
6408     &editor_el_chars_ptr,               &num_editor_el_chars
6409   },
6410   {
6411     &setup_editor_el_steel_chars,
6412     &setup.editor_cascade.el_steel_chars,
6413     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
6414     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
6415   },
6416   {
6417     &setup_editor_el_custom,
6418     &setup.editor_cascade.el_ce,
6419     &editor_hl_custom_ptr,              &num_editor_hl_custom,
6420     &editor_el_custom_ptr,              &num_editor_el_custom
6421   },
6422   {
6423     &setup_editor_el_custom,
6424     &setup.editor_cascade.el_ge,
6425     &editor_hl_group_ptr,               &num_editor_hl_group,
6426     &editor_el_group_ptr,               &num_editor_el_group
6427   },
6428   {
6429     &setup_editor_el_custom,
6430     &setup.editor_cascade.el_es,
6431     &editor_hl_empty_space_ptr,         &num_editor_hl_empty_space,
6432     &editor_el_empty_space_ptr,         &num_editor_el_empty_space
6433   },
6434   {
6435     &setup_editor_el_custom,
6436     &setup.editor_cascade.el_ref,
6437     &editor_hl_reference_ptr,           &num_editor_hl_reference,
6438     &editor_el_reference_ptr,           &num_editor_el_reference
6439   },
6440   {
6441     &setup_editor_el_user_defined,
6442     &setup.editor_cascade.el_user,
6443     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
6444     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
6445   },
6446   {
6447     &setup_editor_el_dynamic,
6448     &setup.editor_cascade.el_dynamic,
6449     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
6450     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
6451   },
6452   {
6453     &use_el_empty,
6454     &use_el_empty,
6455     &editor_hl_empty_ptr,               &num_editor_hl_empty,
6456     &editor_el_empty_ptr,               &num_editor_el_empty,
6457   },
6458   {
6459     NULL,
6460     NULL,
6461     NULL,                               NULL,
6462     NULL,                               NULL
6463   }
6464 };
6465
6466 static struct XY xy_directions[] =
6467 {
6468   { -1,  0 },
6469   { +1,  0 },
6470   {  0, -1 },
6471   {  0, +1 }
6472 };
6473
6474
6475 // ----------------------------------------------------------------------------
6476 // functions
6477 // ----------------------------------------------------------------------------
6478
6479 static int getMaxInfoTextLength(void)
6480 {
6481   return (SXSIZE / getFontWidth(INFOTEXT_FONT));
6482 }
6483
6484 static int getTextWidthForGadget(char *text)
6485 {
6486   if (text == NULL)
6487     return 0;
6488
6489   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
6490 }
6491
6492 static int getTextWidthForDrawingArea(char *text)
6493 {
6494   if (text == NULL)
6495     return 0;
6496
6497   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_BORDER_SIZE);
6498 }
6499
6500 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
6501 {
6502   return (gi->x + gi->width + getTextWidthForGadget(text));
6503 }
6504
6505 static char *getElementInfoText(int element)
6506 {
6507   char *info_text = NULL;
6508
6509   if (element < MAX_NUM_ELEMENTS)
6510   {
6511     if (strlen(element_info[element].description) > 0)
6512       info_text = element_info[element].description;
6513     else if (element_info[element].custom_description != NULL)
6514       info_text = element_info[element].custom_description;
6515     else if (element_info[element].editor_description != NULL)
6516       info_text = element_info[element].editor_description;
6517   }
6518
6519   if (info_text == NULL)
6520     info_text = INFOTEXT_UNKNOWN_ELEMENT;
6521
6522   return info_text;
6523 }
6524
6525 static char *getElementDescriptionFilenameExt(char *basename)
6526 {
6527   char *elements_subdir = ELEMENTS_DIRECTORY;
6528   static char *elements_subdir2 = NULL;
6529   static char *filename = NULL;
6530
6531   if (elements_subdir2 == NULL)
6532     elements_subdir2 = getPath2(DOCS_DIRECTORY, elements_subdir);
6533
6534   checked_free(filename);
6535
6536   // 1st try: look for element description in current level set directory
6537   filename = getPath3(getCurrentLevelDir(), elements_subdir2, basename);
6538   if (fileExists(filename))
6539     return filename;
6540
6541   free(filename);
6542
6543   // 2nd try: look for element description in the game's base directory
6544   filename = getPath3(options.docs_directory, elements_subdir, basename);
6545   if (fileExists(filename))
6546     return filename;
6547
6548   return NULL;
6549 }
6550
6551 static char *getElementDescriptionFilename(int element)
6552 {
6553   char basename[MAX_FILENAME_LEN];
6554   char *filename;
6555
6556   // 1st try: look for element description file for exactly this element
6557   sprintf(basename, "%s.txt", element_info[element].token_name);
6558   filename = getElementDescriptionFilenameExt(basename);
6559   if (filename != NULL)
6560     return filename;
6561
6562   // 2nd try: look for element description file for this element's class
6563   sprintf(basename, "%s.txt", element_info[element].class_name);
6564   filename = getElementDescriptionFilenameExt(basename);
6565   if (filename != NULL)
6566     return filename;
6567
6568   // 3rd try: look for generic fallback text file for any element
6569   filename = getElementDescriptionFilenameExt(FALLBACK_TEXT_FILENAME);
6570   if (filename != NULL)
6571     return filename;
6572
6573   return NULL;
6574 }
6575
6576 static boolean suppressBorderElement(void)
6577 {
6578   return (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
6579           lev_fieldx <= MAX_ED_FIELDX &&
6580           lev_fieldy <= MAX_ED_FIELDY);
6581 }
6582
6583 static void InitDynamicEditorElementList(int **elements, int *num_elements)
6584 {
6585   boolean element_found[NUM_FILE_ELEMENTS];
6586   int i, x, y;
6587
6588   // initialize list of used elements to "not used"
6589   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6590     element_found[i] = FALSE;
6591
6592   // find all elements used in current level
6593   for (y = 0; y < lev_fieldy; y++)
6594   {
6595     for (x = 0; x < lev_fieldx; x++)
6596     {
6597       if (Tile[x][y] >= NUM_FILE_ELEMENTS)      // should never happen
6598         continue;
6599
6600       if (IS_MM_WALL(Tile[x][y]))
6601         element_found[map_mm_wall_element(Tile[x][y])] = TRUE;
6602       else
6603         element_found[Tile[x][y]] = TRUE;
6604     }
6605   }
6606
6607   *num_elements = 0;
6608
6609   // count number of elements used in current level
6610   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6611     if (element_found[i])
6612       (*num_elements)++;
6613
6614   // add space for up to 3 more elements for padding that may be needed
6615   *num_elements += 3;
6616
6617   // free memory for old list of elements, if needed
6618   checked_free(*elements);
6619
6620   // allocate memory for new list of elements
6621   *elements = checked_malloc(*num_elements * sizeof(int));
6622
6623   *num_elements = 0;
6624
6625   // add all elements used in current level (non-custom/group/empty elements)
6626   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6627     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) ||
6628                               IS_GROUP_ELEMENT(i) ||
6629                               IS_EMPTY_ELEMENT(i)))
6630       (*elements)[(*num_elements)++] = i;
6631
6632   // add all elements used in current level (custom/group/empty elements)
6633   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6634     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) ||
6635                              IS_GROUP_ELEMENT(i) ||
6636                              IS_EMPTY_ELEMENT(i)))
6637       (*elements)[(*num_elements)++] = i;
6638
6639   while (*num_elements % 4)     // pad with empty elements, if needed
6640     (*elements)[(*num_elements)++] = EL_EMPTY;
6641 }
6642
6643 static void ReinitializeElementList_EnableSections(void)
6644 {
6645   // default: enable all element sections
6646
6647   setup_editor_el_players               = TRUE;
6648   setup_editor_el_boulderdash           = TRUE;
6649   setup_editor_el_boulderdash_native    = TRUE;
6650   setup_editor_el_emerald_mine          = TRUE;
6651   setup_editor_el_emerald_mine_club     = TRUE;
6652   setup_editor_el_more                  = TRUE;
6653   setup_editor_el_sokoban               = TRUE;
6654   setup_editor_el_supaplex              = TRUE;
6655   setup_editor_el_diamond_caves         = TRUE;
6656   setup_editor_el_dx_boulderdash        = TRUE;
6657   setup_editor_el_mirror_magic          = TRUE;
6658   setup_editor_el_deflektor             = TRUE;
6659   setup_editor_el_chars                 = TRUE;
6660   setup_editor_el_steel_chars           = TRUE;
6661
6662   setup_editor_el_custom                = TRUE;
6663   setup_editor_el_user_defined          = TRUE;
6664   setup_editor_el_dynamic               = TRUE;
6665
6666   // now disable all element sections not to be displayed
6667
6668   if (!setup.editor.el_classic)
6669   {
6670     setup_editor_el_players             = FALSE;
6671     setup_editor_el_boulderdash         = FALSE;
6672     setup_editor_el_boulderdash_native  = FALSE;
6673     setup_editor_el_emerald_mine        = FALSE;
6674     setup_editor_el_emerald_mine_club   = FALSE;
6675     setup_editor_el_more                = FALSE;
6676     setup_editor_el_sokoban             = FALSE;
6677     setup_editor_el_supaplex            = FALSE;
6678     setup_editor_el_diamond_caves       = FALSE;
6679     setup_editor_el_dx_boulderdash      = FALSE;
6680     setup_editor_el_mirror_magic        = FALSE;
6681     setup_editor_el_deflektor           = FALSE;
6682     setup_editor_el_chars               = FALSE;
6683     setup_editor_el_steel_chars         = FALSE;
6684   }
6685
6686   if (!setup.editor.el_custom)
6687   {
6688     setup_editor_el_custom              = FALSE;
6689   }
6690
6691   if (!setup.editor.el_user_defined)
6692   {
6693     setup_editor_el_user_defined        = FALSE;
6694   }
6695
6696   if (!setup.editor.el_dynamic)
6697   {
6698     setup_editor_el_dynamic             = FALSE;
6699   }
6700
6701   if (level.game_engine_type == GAME_ENGINE_TYPE_RND)
6702   {
6703     setup_editor_el_boulderdash_native  = FALSE;
6704     setup_editor_el_mirror_magic        = FALSE;
6705     setup_editor_el_deflektor           = FALSE;
6706   }
6707   else if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
6708   {
6709     setup_editor_el_players             = FALSE;
6710     setup_editor_el_boulderdash         = FALSE;
6711     setup_editor_el_emerald_mine        = FALSE;
6712     setup_editor_el_emerald_mine_club   = FALSE;
6713     setup_editor_el_more                = FALSE;
6714     setup_editor_el_sokoban             = FALSE;
6715     setup_editor_el_supaplex            = FALSE;
6716     setup_editor_el_diamond_caves       = FALSE;
6717     setup_editor_el_dx_boulderdash      = FALSE;
6718     setup_editor_el_mirror_magic        = FALSE;
6719     setup_editor_el_deflektor           = FALSE;
6720     setup_editor_el_chars               = FALSE;
6721     setup_editor_el_steel_chars         = FALSE;
6722
6723     setup_editor_el_custom              = FALSE;
6724   }
6725   else if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
6726   {
6727     setup_editor_el_boulderdash         = FALSE;
6728     setup_editor_el_boulderdash_native  = FALSE;
6729     setup_editor_el_more                = FALSE;
6730     setup_editor_el_sokoban             = FALSE;
6731     setup_editor_el_supaplex            = FALSE;
6732     setup_editor_el_diamond_caves       = FALSE;
6733     setup_editor_el_dx_boulderdash      = FALSE;
6734     setup_editor_el_mirror_magic        = FALSE;
6735     setup_editor_el_deflektor           = FALSE;
6736     setup_editor_el_steel_chars         = FALSE;
6737
6738     setup_editor_el_custom              = FALSE;
6739   }
6740   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
6741   {
6742     setup_editor_el_players             = FALSE;
6743     setup_editor_el_boulderdash         = FALSE;
6744     setup_editor_el_boulderdash_native  = FALSE;
6745     setup_editor_el_emerald_mine        = FALSE;
6746     setup_editor_el_emerald_mine_club   = FALSE;
6747     setup_editor_el_more                = FALSE;
6748     setup_editor_el_sokoban             = FALSE;
6749     setup_editor_el_diamond_caves       = FALSE;
6750     setup_editor_el_dx_boulderdash      = FALSE;
6751     setup_editor_el_mirror_magic        = FALSE;
6752     setup_editor_el_deflektor           = FALSE;
6753     setup_editor_el_chars               = FALSE;
6754     setup_editor_el_steel_chars         = FALSE;
6755
6756     setup_editor_el_custom              = FALSE;
6757   }
6758   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
6759   {
6760     setup_editor_el_players             = FALSE;
6761     setup_editor_el_boulderdash         = FALSE;
6762     setup_editor_el_boulderdash_native  = FALSE;
6763     setup_editor_el_emerald_mine        = FALSE;
6764     setup_editor_el_emerald_mine_club   = FALSE;
6765     setup_editor_el_more                = FALSE;
6766     setup_editor_el_sokoban             = FALSE;
6767     setup_editor_el_supaplex            = FALSE;
6768     setup_editor_el_diamond_caves       = FALSE;
6769     setup_editor_el_dx_boulderdash      = FALSE;
6770     setup_editor_el_steel_chars         = FALSE;
6771
6772     setup_editor_el_custom              = FALSE;
6773   }
6774 }
6775
6776 static void ReinitializeElementList(void)
6777 {
6778   static boolean initialization_needed = TRUE;
6779   int pos = 0;
6780   int i, j;
6781
6782   ReinitializeElementList_EnableSections();
6783
6784   if (initialization_needed)
6785   {
6786     LoadSetup_EditorCascade();          // load last editor cascade state
6787
6788     // initialize editor cascade element from saved cascade state
6789     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6790     {
6791       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
6792       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
6793
6794       if (IS_EDITOR_CASCADE(*cascade_element))
6795         *cascade_element =
6796           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
6797            EL_CASCADE_INACTIVE(*cascade_element));
6798     }
6799
6800     initialization_needed = FALSE;
6801   }
6802
6803   checked_free(editor_elements);
6804
6805   // reload optional user defined element list for each invocation of editor
6806   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
6807                                    &num_editor_el_user_defined);
6808
6809   // initialize dynamic level element list for each invocation of editor
6810   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
6811                                &num_editor_el_dynamic);
6812
6813   // initialize list of empty elements (used for padding, if needed)
6814   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
6815     editor_el_empty[i] = EL_EMPTY;
6816
6817   // do some sanity checks for each element from element list
6818   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6819   {
6820     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
6821     {
6822       int element = (*editor_elements_info[i].element_list)[j];
6823
6824       if (element >= NUM_FILE_ELEMENTS)
6825         Warn("editor element %d is runtime element", element);
6826
6827       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
6828         Warn("no element description text for element %d", element);
6829     }
6830   }
6831
6832   num_editor_elements = 0;
6833   use_el_empty = FALSE;
6834
6835   // determine size of element list
6836   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6837   {
6838     if (*editor_elements_info[i].setup_value)
6839     {
6840       boolean found_inactive_cascade = FALSE;
6841
6842       if (setup.editor.el_headlines)
6843       {
6844         // required for correct padding of palette headline buttons
6845         if (*editor_elements_info[i].headline_list_size > 0)
6846           num_editor_elements += ED_ELEMENTLIST_COLS;
6847
6848         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
6849         {
6850           int element = (*editor_elements_info[i].headline_list)[j];
6851
6852           if (IS_EDITOR_CASCADE_INACTIVE(element))
6853             found_inactive_cascade = TRUE;
6854         }
6855       }
6856
6857       if (found_inactive_cascade)
6858         continue;
6859
6860       // required for correct padding of palette element buttons
6861       int element_list_size = *editor_elements_info[i].element_list_size;
6862       int element_rows =
6863         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
6864       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
6865
6866       num_editor_elements += element_buttons;
6867     }
6868   }
6869
6870   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
6871   {
6872     // offer at least as many elements as element buttons exist
6873     use_el_empty = TRUE;
6874     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
6875
6876     num_editor_elements += num_editor_el_empty;
6877   }
6878   else
6879   {
6880     num_editor_el_empty = 0;
6881   }
6882
6883   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
6884
6885   // fill element list
6886   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6887   {
6888     boolean found_inactive_cascade = FALSE;
6889
6890     if (*editor_elements_info[i].setup_value)
6891     {
6892       if (setup.editor.el_headlines)
6893       {
6894         // required for correct padding of palette headline buttons
6895         int headline_size = (*editor_elements_info[i].headline_list_size > 0 ?
6896                              ED_ELEMENTLIST_COLS : 0);
6897
6898         for (j = 0; j < headline_size; j++)
6899         {
6900           // use empty elements for padding of palette headline buttons
6901           int element = (j < *editor_elements_info[i].headline_list_size ?
6902                          (*editor_elements_info[i].headline_list)[j] :
6903                          editor_el_empty[0]);
6904
6905           editor_elements[pos++] = element;
6906
6907           if (IS_EDITOR_CASCADE_INACTIVE(element))
6908             found_inactive_cascade = TRUE;
6909         }
6910       }
6911
6912       if (found_inactive_cascade)
6913         continue;
6914
6915       // required for correct padding of palette element buttons
6916       int element_list_size = *editor_elements_info[i].element_list_size;
6917       int element_rows =
6918         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
6919       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
6920
6921       // copy all elements from element list
6922       for (j = 0; j < element_list_size; j++)
6923         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
6924
6925       // use empty elements for padding of palette element buttons
6926       for (j = 0; j < element_buttons - element_list_size; j++)
6927         editor_elements[pos++] = editor_el_empty[0];
6928     }
6929   }
6930
6931   // (this function is also called before editor gadgets are initialized!)
6932   AdjustElementListScrollbar();
6933 }
6934
6935 void PrintEditorElementList(void)
6936 {
6937   boolean *stop = &setup_editor_el_user_defined;
6938   int i, j;
6939
6940   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
6941   {
6942     int cascade_element = (*editor_elements_info[i].headline_list)[0];
6943
6944     if (IS_EDITOR_CASCADE(cascade_element))
6945     {
6946       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
6947       char *headline = element_info[cascade_element_show].editor_description;
6948
6949       PrintLineWithPrefix("# ", "-", 77);
6950       Print("# %s\n", headline);
6951       PrintLineWithPrefix("# ", "-", 77);
6952     }
6953
6954     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
6955     {
6956       int element = (*editor_elements_info[i].headline_list)[j];
6957
6958       if (IS_EDITOR_CASCADE(element))
6959         element = EL_CHAR_MINUS;
6960
6961       Print("# %s\n", element_info[element].token_name);
6962     }
6963
6964     if (j > 0)
6965       Print("#\n");
6966
6967     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
6968     {
6969       int element = (*editor_elements_info[i].element_list)[j];
6970
6971       Print("# %s\n", element_info[element].token_name);
6972     }
6973
6974     if (j > 0)
6975       Print("#\n");
6976   }
6977 }
6978
6979 static void ReinitializeElementListButtons(void)
6980 {
6981   static boolean last_setup_value_headlines = FALSE;
6982   static boolean initialization_needed = TRUE;
6983   int i;
6984
6985   if (!initialization_needed)   // check if editor element setup has changed
6986   {
6987     if (last_setup_value_headlines != setup.editor.el_headlines)
6988       initialization_needed = TRUE;
6989
6990     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6991       if (editor_elements_info[i].last_setup_value !=
6992           *editor_elements_info[i].setup_value)
6993         initialization_needed = TRUE;
6994   }
6995
6996   if (!initialization_needed)
6997     return;
6998
6999   FreeLevelEditorGadgets();
7000   CreateLevelEditorGadgets();
7001
7002   // store current setup values for next invocation of this function
7003   last_setup_value_headlines = setup.editor.el_headlines;
7004   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7005     editor_elements_info[i].last_setup_value =
7006       *editor_elements_info[i].setup_value;
7007
7008   initialization_needed = FALSE;
7009 }
7010
7011 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
7012                               boolean input)
7013 {
7014   int border_graphic =
7015     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
7016   struct GraphicInfo *g = &graphic_info[border_graphic];
7017   Bitmap *src_bitmap = g->bitmap;
7018   int src_x = g->src_x;
7019   int src_y = g->src_y;
7020   int border_size = g->border_size;
7021   int border_xpos = g->width  - border_size;
7022   int border_ypos = g->height - border_size;
7023   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
7024   int i;
7025
7026   BlitBitmap(src_bitmap, drawto, src_x, src_y,
7027              border_size, border_size,
7028              dest_x - border_size, dest_y - border_size);
7029   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y,
7030              border_size, border_size,
7031              dest_x + width, dest_y - border_size);
7032   BlitBitmap(src_bitmap, drawto, src_x, src_y + border_ypos,
7033              border_size, border_size,
7034              dest_x - border_size, dest_y + height);
7035   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_ypos,
7036              border_size, border_size,
7037              dest_x + width, dest_y + height);
7038
7039   for (i = 0; i < width / tilesize; i++)
7040   {
7041     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y,
7042                tilesize, border_size,
7043                dest_x + i * tilesize, dest_y - border_size);
7044     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y + border_ypos,
7045                tilesize, border_size,
7046                dest_x + i * tilesize, dest_y + height);
7047   }
7048
7049   for (i = 0; i < height / tilesize; i++)
7050   {
7051     BlitBitmap(src_bitmap, drawto, src_x, src_y + border_size,
7052                border_size, tilesize,
7053                dest_x - border_size, dest_y + i * tilesize);
7054     BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_size,
7055                border_size, tilesize,
7056                dest_x + width, dest_y + i * tilesize);
7057   }
7058
7059   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
7060 }
7061
7062 static void DrawEditorLevelBorderLine(int x, int y, int xsize, int ysize)
7063 {
7064   int xsize_tile = MAX(ed_tilesize, xsize);
7065   int ysize_tile = MAX(ed_tilesize, ysize);
7066   int xsize_full = xsize + 1;
7067   int ysize_full = ysize + 1;
7068   int xsize_thin = (xsize < ed_tilesize ? 1 : xsize);
7069   int ysize_thin = (ysize < ed_tilesize ? 1 : ysize);
7070   Pixel line_color = getTabulatorBarColor();
7071
7072   if (line_color == BLACK_PIXEL)                // black => transparent
7073     return;
7074
7075   FillRectangle(drawto, SX + x, SY + y, xsize_tile, ysize_tile, BLACK_PIXEL);
7076   FillRectangle(drawto, SX + x, SY + y, xsize_full, ysize_full, line_color);
7077   FillRectangle(drawto, SX + x, SY + y, xsize_thin, ysize_thin, BLACK_PIXEL);
7078 }
7079
7080 static void DrawEditorLevelBorderLinesIfNeeded(void)
7081 {
7082   int xsize = lev_fieldx * ed_tilesize;
7083   int ysize = lev_fieldy * ed_tilesize;
7084   int line_size = getTabulatorBarHeight();
7085
7086   if (!suppressBorderElement())
7087     return;
7088
7089   // draw little border line around editable level playfield
7090
7091   if (xsize < SXSIZE)
7092     DrawEditorLevelBorderLine(xsize, 0, line_size, ysize);
7093
7094   if (ysize < SYSIZE)
7095     DrawEditorLevelBorderLine(0, ysize, xsize, line_size);
7096
7097   if (xsize < SXSIZE && ysize < SYSIZE)
7098     DrawEditorLevelBorderLine(xsize, ysize, line_size, line_size);
7099 }
7100
7101 static void DrawEditorElement(int x, int y, int element)
7102 {
7103   DrawSizedElement(x, y, element, ed_tilesize);
7104 }
7105
7106 static void DrawEditorElementThruMask(int x, int y, int element)
7107 {
7108   DrawSizedElementThruMask(x, y, element, ed_tilesize);
7109 }
7110
7111 static void DrawEditorElementOrWall(int x, int y, int scroll_x, int scroll_y)
7112 {
7113   DrawSizedElementOrWall(x, y, scroll_x, scroll_y, ed_tilesize);
7114 }
7115
7116 static void DrawEditorLevel(int size_x, int size_y, int scroll_x, int scroll_y)
7117 {
7118   DrawSizedLevel(size_x, size_y, scroll_x, scroll_y, ed_tilesize);
7119   DrawEditorLevelBorderLinesIfNeeded();
7120 }
7121
7122 static void DrawDrawingArea(int id)
7123 {
7124   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7125   int x, y;
7126
7127   int *value = drawingarea_info[id].value;
7128   int area_xsize = drawingarea_info[id].area_xsize;
7129   int area_ysize = drawingarea_info[id].area_ysize;
7130   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
7131
7132   for (x = 0; x < area_xsize; x++)
7133     for (y = 0; y < area_ysize; y++)
7134       DrawSizedGraphicExt(drawto,
7135                           gi->x + x * tilesize,
7136                           gi->y + y * tilesize,
7137                           el2edimg(value[x * area_ysize + y]), 0, tilesize);
7138 }
7139
7140 static void ScrollEditorLevel(int from_x, int from_y, int scroll)
7141 {
7142   int x, y;
7143   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
7144   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
7145
7146   BlitBitmap(drawto, drawto,
7147              SX + (dx == -1 ? ed_tilesize : 0),
7148              SY + (dy == -1 ? ed_tilesize : 0),
7149              (ed_fieldx * ed_tilesize) - (dx != 0 ? ed_tilesize : 0),
7150              (ed_fieldy * ed_tilesize) - (dy != 0 ? ed_tilesize : 0),
7151              SX + (dx == +1 ? ed_tilesize : 0),
7152              SY + (dy == +1 ? ed_tilesize : 0));
7153
7154   if (dx)
7155   {
7156     x = (dx == 1 ? 0 : ed_fieldx - 1);
7157     for (y = 0; y < ed_fieldy; y++)
7158       DrawEditorElementOrWall(x, y, from_x, from_y);
7159   }
7160   else if (dy)
7161   {
7162     y = (dy == 1 ? 0 : ed_fieldy - 1);
7163     for (x = 0; x < ed_fieldx; x++)
7164       DrawEditorElementOrWall(x, y, from_x, from_y);
7165   }
7166
7167   redraw_mask |= REDRAW_FIELD;
7168   BackToFront();
7169 }
7170
7171 static void getEditorGraphicSource(int element, int tile_size, Bitmap **bitmap,
7172                                    int *x, int *y)
7173 {
7174   getSizedGraphicSource(el2edimg(element), 0, tile_size, bitmap, x, y);
7175 }
7176
7177 static void CreateControlButtons(void)
7178 {
7179   struct GadgetInfo *gi;
7180   int i;
7181
7182   // create toolbox buttons
7183   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
7184   {
7185     int type_id = controlbutton_info[i].gadget_id;      // same as gadget ID here
7186     int id = controlbutton_info[i].gadget_id;
7187     int type = controlbutton_info[i].gadget_type;
7188     int graphic = controlbutton_info[i].graphic;
7189     struct XYTileSize *pos = controlbutton_info[i].pos;
7190     struct GraphicInfo *gd = &graphic_info[graphic];
7191     Bitmap *deco_bitmap = NULL;
7192     int deco_x = 0, deco_y = 0, deco_xpos = 0, deco_ypos = 0;
7193     int tile_size = 0, deco_shift = 0;
7194     boolean deco_masked = FALSE;
7195     int gd_x1 = gd->src_x;
7196     int gd_y1 = gd->src_y;
7197     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7198     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7199     int gd_x1a = gd->src_x + gd->active_xoffset;
7200     int gd_y1a = gd->src_y + gd->active_yoffset;
7201     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
7202     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
7203     int x = pos->x;
7204     int y = pos->y;
7205     unsigned int event_mask;
7206     int radio_button_nr = RADIO_NR_NONE;
7207     boolean checked = FALSE;
7208
7209     if (type_id != i)
7210       Fail("'controlbutton_info' structure corrupted at index %d -- please fix", i);
7211
7212     if (type == GD_TYPE_RADIO_BUTTON)
7213     {
7214       event_mask = GD_EVENT_PRESSED;
7215       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
7216
7217       if (id == drawing_function)
7218         checked = TRUE;
7219     }
7220     else
7221     {
7222       if (id == GADGET_ID_WRAP_LEFT ||
7223           id == GADGET_ID_WRAP_RIGHT ||
7224           id == GADGET_ID_WRAP_UP ||
7225           id == GADGET_ID_WRAP_DOWN)
7226         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
7227       else
7228         event_mask = GD_EVENT_RELEASED;
7229     }
7230
7231     if (id == GADGET_ID_PROPERTIES ||
7232         id == GADGET_ID_PALETTE)
7233     {
7234       x += DX;
7235       y += DY;
7236     }
7237     else if (id == GADGET_ID_ELEMENT_LEFT ||
7238              id == GADGET_ID_ELEMENT_MIDDLE ||
7239              id == GADGET_ID_ELEMENT_RIGHT)
7240     {
7241       x += DX;
7242       y += DY;
7243
7244       int element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
7245                      id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
7246                      id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 : EL_EMPTY);
7247
7248       tile_size = BUTTON_TILE_SIZE(id == GADGET_ID_ELEMENT_LEFT ?
7249                                    editor.button.element_left.tile_size :
7250                                    id == GADGET_ID_ELEMENT_MIDDLE ?
7251                                    editor.button.element_middle.tile_size :
7252                                    id == GADGET_ID_ELEMENT_RIGHT ?
7253                                    editor.button.element_right.tile_size : 0);
7254
7255       // make sure that decoration does not overlap gadget border
7256       tile_size = MIN(tile_size, MIN(gd->width, gd->height));
7257
7258       getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x,&deco_y);
7259
7260       deco_xpos = (gd->width  - tile_size) / 2;
7261       deco_ypos = (gd->height - tile_size) / 2;
7262       deco_shift = 1;
7263       deco_masked = gd->draw_masked;
7264     }
7265     else
7266     {
7267       x += EX;
7268       y += EY;
7269     }
7270
7271     gi = CreateGadget(GDI_CUSTOM_ID, id,
7272                       GDI_CUSTOM_TYPE_ID, type_id,
7273                       GDI_IMAGE_ID, graphic,
7274                       GDI_INFO_TEXT, controlbutton_info[i].infotext,
7275                       GDI_X, x,
7276                       GDI_Y, y,
7277                       GDI_WIDTH, gd->width,
7278                       GDI_HEIGHT, gd->height,
7279                       GDI_TYPE, type,
7280                       GDI_STATE, GD_BUTTON_UNPRESSED,
7281                       GDI_RADIO_NR, radio_button_nr,
7282                       GDI_CHECKED, checked,
7283                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7284                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7285                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7286                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
7287                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
7288                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
7289                       GDI_DECORATION_SIZE, tile_size, tile_size,
7290                       GDI_DECORATION_SHIFTING, deco_shift, deco_shift,
7291                       GDI_DECORATION_MASKED, deco_masked,
7292                       GDI_EVENT_MASK, event_mask,
7293                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7294                       GDI_CALLBACK_ACTION, HandleControlButtons,
7295                       GDI_END);
7296
7297     if (gi == NULL)
7298       Fail("cannot create gadget");
7299
7300     level_editor_gadget[id] = gi;
7301   }
7302
7303   // these values are not constant, but can change at runtime
7304   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
7305   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
7306   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
7307   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
7308   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
7309   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
7310   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
7311   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
7312   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].x    = ED_SCROLL2_UP_XPOS;
7313   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].y    = ED_SCROLL2_UP_YPOS;
7314   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].x  = ED_SCROLL2_DOWN_XPOS;
7315   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].y  = ED_SCROLL2_DOWN_YPOS;
7316
7317   // create buttons for scrolling of drawing area and element list
7318   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
7319   {
7320     int id = scrollbutton_info[i].gadget_id;
7321     int type_id = scrollbutton_info[i].gadget_type_id;
7322     int graphic = scrollbutton_info[i].graphic;
7323     struct GraphicInfo *gd = &graphic_info[graphic];
7324     Bitmap *gd_bitmap = gd->bitmap;
7325     int gd_x1 = gd->src_x;
7326     int gd_y1 = gd->src_y;
7327     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7328     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7329     int width  = gd->width;
7330     int height = gd->height;
7331     int x = scrollbutton_pos[i].x;
7332     int y = scrollbutton_pos[i].y;
7333     unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
7334
7335     if (type_id != i)
7336       Fail("'scrollbutton_info' structure corrupted at index %d -- please fix", i);
7337
7338     if (id == GADGET_ID_SCROLL_LIST_UP ||
7339         id == GADGET_ID_SCROLL_LIST_DOWN)
7340     {
7341       x += PX;
7342       y += PY;
7343     }
7344     else
7345     {
7346       x += SX;
7347       y += SY;
7348     }
7349
7350     gi = CreateGadget(GDI_CUSTOM_ID, id,
7351                       GDI_CUSTOM_TYPE_ID, type_id,
7352                       GDI_IMAGE_ID, graphic,
7353                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
7354                       GDI_X, x,
7355                       GDI_Y, y,
7356                       GDI_WIDTH, width,
7357                       GDI_HEIGHT, height,
7358                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7359                       GDI_STATE, GD_BUTTON_UNPRESSED,
7360                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
7361                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
7362                       GDI_EVENT_MASK, event_mask,
7363                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7364                       GDI_CALLBACK_ACTION, HandleControlButtons,
7365                       GDI_END);
7366
7367     if (gi == NULL)
7368       Fail("cannot create gadget");
7369
7370     level_editor_gadget[id] = gi;
7371   }
7372
7373   // create buttons for element list
7374   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7375   {
7376     int type_id = i;
7377     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
7378     int graphic = IMG_EDITOR_PALETTE_BUTTON;
7379     struct GraphicInfo *gd = &graphic_info[graphic];
7380     Bitmap *gd_bitmap = gd->bitmap;
7381     Bitmap *deco_bitmap;
7382     int deco_x, deco_y, deco_xpos, deco_ypos;
7383     int gd_x1 = gd->src_x;
7384     int gd_y1 = gd->src_y;
7385     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7386     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7387     int xx = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
7388     int yy = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
7389     int x = PX + ED_ELEMENTLIST_XPOS + xx * gd->width;
7390     int y = PY + ED_ELEMENTLIST_YPOS + yy * gd->height;
7391     int element = editor_elements[i];
7392     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
7393     unsigned int event_mask = GD_EVENT_RELEASED;
7394
7395     getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
7396
7397     deco_xpos = (gd->width  - tile_size) / 2;
7398     deco_ypos = (gd->height - tile_size) / 2;
7399
7400     gi = CreateGadget(GDI_CUSTOM_ID, id,
7401                       GDI_CUSTOM_TYPE_ID, type_id,
7402                       GDI_IMAGE_ID, graphic,
7403                       GDI_INFO_TEXT, getElementInfoText(element),
7404                       GDI_X, x,
7405                       GDI_Y, y,
7406                       GDI_WIDTH, gd->width,
7407                       GDI_HEIGHT, gd->height,
7408                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7409                       GDI_STATE, GD_BUTTON_UNPRESSED,
7410                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
7411                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
7412                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
7413                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
7414                       GDI_DECORATION_SIZE, tile_size, tile_size,
7415                       GDI_DECORATION_SHIFTING, 1, 1,
7416                       GDI_EVENT_MASK, event_mask,
7417                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7418                       GDI_CALLBACK_ACTION, HandleControlButtons,
7419                       GDI_END);
7420
7421     if (gi == NULL)
7422       Fail("cannot create gadget");
7423
7424     level_editor_gadget[id] = gi;
7425   }
7426 }
7427
7428 static void CreateCounterButtons(void)
7429 {
7430   int max_infotext_len = getMaxInfoTextLength();
7431   int i;
7432
7433   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
7434   {
7435     int type_id = counterbutton_info[i].gadget_type_id;
7436     int x = SX + ED_SETTINGS_X(counterbutton_info[i].x); // down count button
7437     int y = SY + ED_SETTINGS_Y(counterbutton_info[i].y);
7438     int j;
7439
7440     if (type_id != i)
7441       Fail("'counterbutton_info' structure corrupted at index %d -- please fix", i);
7442
7443     // determine horizontal position to the right of specified gadget
7444     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
7445       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
7446            ED_GADGET_TEXT_DISTANCE);
7447
7448     // determine horizontal offset for leading text
7449     if (counterbutton_info[i].text_left != NULL)
7450       x += getTextWidthForGadget(counterbutton_info[i].text_left);
7451
7452     for (j = 0; j < 2; j++)
7453     {
7454       struct GadgetInfo *gi;
7455       int id = (j == 0 ?
7456                 counterbutton_info[i].gadget_id_down :
7457                 counterbutton_info[i].gadget_id_up);
7458       int graphic;
7459       struct GraphicInfo *gd;
7460       int gd_x1, gd_x2, gd_y1, gd_y2;
7461       unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
7462       char infotext[max_infotext_len + 1];
7463
7464       if (i == ED_COUNTER_ID_SELECT_LEVEL)
7465       {
7466         graphic = (j == 0 ?
7467                    IMG_GFX_EDITOR_BUTTON_PREV_LEVEL :
7468                    IMG_GFX_EDITOR_BUTTON_NEXT_LEVEL);
7469
7470         event_mask |= GD_EVENT_RELEASED;
7471
7472         if (j == 0)
7473         {
7474           x = DX + editor.button.prev_level.x;
7475           y = DY + editor.button.prev_level.y;
7476         }
7477         else
7478         {
7479           x = DX + editor.button.next_level.x;
7480           y = DY + editor.button.next_level.y;
7481         }
7482       }
7483       else
7484       {
7485         graphic = (j == 0 ?
7486                    IMG_EDITOR_COUNTER_DOWN :
7487                    IMG_EDITOR_COUNTER_UP);
7488       }
7489
7490       gd = &graphic_info[graphic];
7491
7492       gd_x1 = gd->src_x;
7493       gd_y1 = gd->src_y;
7494       gd_x2 = gd->src_x + gd->pressed_xoffset;
7495       gd_y2 = gd->src_y + gd->pressed_yoffset;
7496
7497       sprintf(infotext, "%s counter value by 1, 5 or 10",
7498               (j == 0 ? "Decrease" : "Increase"));
7499
7500       gi = CreateGadget(GDI_CUSTOM_ID, id,
7501                         GDI_CUSTOM_TYPE_ID, type_id,
7502                         GDI_IMAGE_ID, graphic,
7503                         GDI_INFO_TEXT, infotext,
7504                         GDI_X, x,
7505                         GDI_Y, y,
7506                         GDI_WIDTH, gd->width,
7507                         GDI_HEIGHT, gd->height,
7508                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7509                         GDI_STATE, GD_BUTTON_UNPRESSED,
7510                         GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7511                         GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7512                         GDI_EVENT_MASK, event_mask,
7513                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7514                         GDI_CALLBACK_ACTION, HandleCounterButtons,
7515                         GDI_END);
7516
7517       if (gi == NULL)
7518         Fail("cannot create gadget");
7519
7520       level_editor_gadget[id] = gi;
7521       right_gadget_border[id] =
7522         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
7523
7524       x += gi->width + ED_GADGET_SMALL_DISTANCE;        // text count button
7525
7526       if (j == 0)
7527       {
7528         int font_type = FONT_INPUT_1;
7529         int font_type_active = FONT_INPUT_1_ACTIVE;
7530
7531         id = counterbutton_info[i].gadget_id_text;
7532
7533         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
7534
7535         if (i == ED_COUNTER_ID_SELECT_LEVEL)
7536         {
7537           graphic = IMG_GFX_EDITOR_INPUT_LEVEL_NUMBER;
7538
7539           font_type = FONT_LEVEL_NUMBER;
7540           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
7541
7542           x = DX + editor.input.level_number.x;
7543           y = DY + editor.input.level_number.y;
7544         }
7545         else
7546         {
7547           graphic = IMG_EDITOR_COUNTER_INPUT;
7548         }
7549
7550         gd = &graphic_info[graphic];
7551
7552         gd_x1 = gd->src_x;
7553         gd_y1 = gd->src_y;
7554         gd_x2 = gd->src_x + gd->active_xoffset;
7555         gd_y2 = gd->src_y + gd->active_yoffset;
7556
7557         gi = CreateGadget(GDI_CUSTOM_ID, id,
7558                           GDI_CUSTOM_TYPE_ID, type_id,
7559                           GDI_IMAGE_ID, graphic,
7560                           GDI_INFO_TEXT, "Enter counter value",
7561                           GDI_X, x,
7562                           GDI_Y, y,
7563                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
7564                           GDI_NUMBER_VALUE, 0,
7565                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
7566                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
7567                           GDI_TEXT_SIZE, 3,     // minimal counter text size
7568                           GDI_TEXT_FONT, font_type,
7569                           GDI_TEXT_FONT_ACTIVE, font_type_active,
7570                           GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7571                           GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7572                           GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7573                           GDI_DESIGN_WIDTH, gd->width,
7574                           GDI_EVENT_MASK, event_mask,
7575                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7576                           GDI_CALLBACK_ACTION, HandleCounterButtons,
7577                           GDI_END);
7578
7579         if (gi == NULL)
7580           Fail("cannot create gadget");
7581
7582         level_editor_gadget[id] = gi;
7583         right_gadget_border[id] =
7584           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
7585
7586         x += gi->width + ED_GADGET_SMALL_DISTANCE;      // up count button
7587       }
7588     }
7589   }
7590 }
7591
7592 static void CreateDrawingAreas(void)
7593 {
7594   int i;
7595
7596   // these values are not constant, but can change at runtime
7597   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
7598   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
7599
7600   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
7601   {
7602     struct GadgetInfo *gi;
7603     int id = drawingarea_info[i].gadget_id;
7604     int type_id = drawingarea_info[i].gadget_type_id;
7605     int x = SX + ED_AREA_SETTINGS_X(drawingarea_info[i]);
7606     int y = SY + ED_AREA_SETTINGS_Y(drawingarea_info[i]);
7607     int area_xsize = drawingarea_info[i].area_xsize;
7608     int area_ysize = drawingarea_info[i].area_ysize;
7609     int item_size = (id == GADGET_ID_DRAWING_LEVEL ?
7610                      ed_tilesize : ED_DRAWINGAREA_TILE_SIZE);
7611     unsigned int event_mask =
7612       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
7613       GD_EVENT_OFF_BORDERS | GD_EVENT_PIXEL_PRECISE;
7614
7615     if (type_id != i)
7616       Fail("'drawingarea_info' structure corrupted at index %d -- please fix", i);
7617
7618     // determine horizontal position to the right of specified gadget
7619     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
7620       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
7621            ED_DRAWINGAREA_TEXT_DISTANCE);
7622
7623     // determine horizontal offset for leading text
7624     if (drawingarea_info[i].text_left != NULL)
7625       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
7626
7627     gi = CreateGadget(GDI_CUSTOM_ID, id,
7628                       GDI_CUSTOM_TYPE_ID, type_id,
7629                       GDI_X, x,
7630                       GDI_Y, y,
7631                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
7632                       GDI_AREA_SIZE, area_xsize, area_ysize,
7633                       GDI_ITEM_SIZE, item_size, item_size,
7634                       GDI_EVENT_MASK, event_mask,
7635                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
7636                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
7637                       GDI_END);
7638
7639     if (gi == NULL)
7640       Fail("cannot create gadget");
7641
7642     level_editor_gadget[id] = gi;
7643     right_gadget_border[id] =
7644       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
7645   }
7646 }
7647
7648 static void CreateTextInputGadgets(void)
7649 {
7650   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
7651   int max_infotext_len = getMaxInfoTextLength();
7652   int i;
7653
7654   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
7655   {
7656     int gd_x1 = gd->src_x;
7657     int gd_y1 = gd->src_y;
7658     int gd_x2 = gd->src_x + gd->active_xoffset;
7659     int gd_y2 = gd->src_y + gd->active_yoffset;
7660     struct GadgetInfo *gi;
7661     unsigned int event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
7662     char infotext[MAX_OUTPUT_LINESIZE + 1];
7663     int id = textinput_info[i].gadget_id;
7664     int type_id = textinput_info[i].gadget_type_id;
7665     int x, y;
7666
7667     if (type_id != i)
7668       Fail("'textinput_info' structure corrupted at index %d -- please fix", i);
7669
7670     if (i == ED_TEXTINPUT_ID_ELEMENT_NAME)
7671     {
7672       int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
7673       int border_size = gd->border_size;
7674       int font_nr = FONT_INPUT_1;
7675       int font_height = getFontHeight(font_nr);
7676       int xoffset = element_border + TILEX + element_border + 3 * border_size;
7677       int yoffset = element_border + (TILEY - font_height) / 2;
7678
7679       x = (editor.settings.element_name.x != -1 ?
7680            editor.settings.element_name.x :
7681            editor.settings.element_graphic.x + xoffset) - border_size;
7682       y = (editor.settings.element_name.y != -1 ?
7683            editor.settings.element_name.y :
7684            editor.settings.element_graphic.y + yoffset) - border_size;
7685     }
7686     else
7687     {
7688       x = ED_SETTINGS_X(textinput_info[i].x);
7689       y = ED_SETTINGS_Y(textinput_info[i].y);
7690     }
7691
7692     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
7693     infotext[max_infotext_len] = '\0';
7694
7695     gi = CreateGadget(GDI_CUSTOM_ID, id,
7696                       GDI_CUSTOM_TYPE_ID, type_id,
7697                       GDI_INFO_TEXT, infotext,
7698                       GDI_X, SX + x,
7699                       GDI_Y, SY + y,
7700                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
7701                       GDI_TEXT_VALUE, textinput_info[i].value,
7702                       GDI_TEXT_SIZE, textinput_info[i].size,
7703                       GDI_TEXT_FONT, FONT_INPUT_1,
7704                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
7705                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7706                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7707                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7708                       GDI_DESIGN_WIDTH, gd->width,
7709                       GDI_EVENT_MASK, event_mask,
7710                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7711                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
7712                       GDI_END);
7713
7714     if (gi == NULL)
7715       Fail("cannot create gadget");
7716
7717     level_editor_gadget[id] = gi;
7718   }
7719 }
7720
7721 static void CreateTextAreaGadgets(void)
7722 {
7723   int max_infotext_len = getMaxInfoTextLength();
7724   int i;
7725
7726   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
7727   {
7728     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXTAREA];
7729     int gd_x1 = gd->src_x;
7730     int gd_y1 = gd->src_y;
7731     int gd_x2 = gd->src_x + gd->active_xoffset;
7732     int gd_y2 = gd->src_y + gd->active_yoffset;
7733     struct GadgetInfo *gi;
7734     unsigned int event_mask = GD_EVENT_TEXT_LEAVING;
7735     char infotext[MAX_OUTPUT_LINESIZE + 1];
7736     int id = textarea_info[i].gadget_id;
7737     int type_id = textarea_info[i].gadget_type_id;
7738     int area_xsize = textarea_info[i].xsize;
7739     int area_ysize = textarea_info[i].ysize;
7740
7741     if (type_id != i)
7742       Fail("'textarea_info' structure corrupted at index %d -- please fix", i);
7743
7744     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
7745     infotext[max_infotext_len] = '\0';
7746
7747     gi = CreateGadget(GDI_CUSTOM_ID, id,
7748                       GDI_CUSTOM_TYPE_ID, type_id,
7749                       GDI_INFO_TEXT, infotext,
7750                       GDI_X, SX + ED_SETTINGS_X(textarea_info[i].x),
7751                       GDI_Y, SY + ED_SETTINGS_Y(textarea_info[i].y),
7752                       GDI_TYPE, GD_TYPE_TEXT_AREA,
7753                       GDI_AREA_SIZE, area_xsize, area_ysize,
7754                       GDI_TEXT_FONT, FONT_INPUT_1,
7755                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
7756                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7757                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7758                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7759                       GDI_DESIGN_WIDTH, gd->width,
7760                       GDI_EVENT_MASK, event_mask,
7761                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7762                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
7763                       GDI_END);
7764
7765     if (gi == NULL)
7766       Fail("cannot create gadget");
7767
7768     level_editor_gadget[id] = gi;
7769   }
7770 }
7771
7772 static void CreateSelectboxGadgets(void)
7773 {
7774   int max_infotext_len = getMaxInfoTextLength();
7775
7776   int i, j;
7777
7778   for (i = 0; i < ED_NUM_SELECTBOX; i++)
7779   {
7780     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_SELECTBOX_INPUT];
7781     struct GraphicInfo *gd2 = &graphic_info[IMG_EDITOR_SELECTBOX_BUTTON];
7782     int gd_x1 = gd->src_x;
7783     int gd_y1 = gd->src_y;
7784     int gd_x2 = gd->src_x + gd->active_xoffset;
7785     int gd_y2 = gd->src_y + gd->active_yoffset;
7786     int selectbox_button_xsize = gd2->width;
7787     struct GadgetInfo *gi;
7788     char infotext[MAX_OUTPUT_LINESIZE + 1];
7789     int id = selectbox_info[i].gadget_id;
7790     int type_id = selectbox_info[i].gadget_type_id;
7791     int x = SX + ED_SETTINGS_X(selectbox_info[i].x);
7792     int y = SY + ED_SETTINGS_Y(selectbox_info[i].y);
7793     unsigned int event_mask =
7794       GD_EVENT_RELEASED | GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
7795
7796     if (type_id != i)
7797       Fail("'selectbox_info' structure corrupted at index %d -- please fix", i);
7798
7799     if (selectbox_info[i].size == -1)   // dynamically determine size
7800     {
7801       // (we cannot use -1 for uninitialized values if we directly compare
7802       // with results from strlen(), because the '<' and '>' operation will
7803       // implicitely cast -1 to an unsigned integer value!)
7804       selectbox_info[i].size = 0;
7805
7806       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
7807         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
7808           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
7809
7810       selectbox_info[i].size++;         // add one character empty space
7811     }
7812
7813     // determine horizontal position to the right of specified gadget
7814     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
7815       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
7816            ED_GADGET_TEXT_DISTANCE);
7817
7818     // determine horizontal offset for leading text
7819     if (selectbox_info[i].text_left != NULL)
7820       x += getTextWidthForGadget(selectbox_info[i].text_left);
7821
7822     sprintf(infotext, "%s", selectbox_info[i].infotext);
7823     infotext[max_infotext_len] = '\0';
7824
7825     gi = CreateGadget(GDI_CUSTOM_ID, id,
7826                       GDI_CUSTOM_TYPE_ID, type_id,
7827                       GDI_INFO_TEXT, infotext,
7828                       GDI_X, x,
7829                       GDI_Y, y,
7830                       GDI_TYPE, GD_TYPE_SELECTBOX,
7831                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
7832                       GDI_SELECTBOX_CHAR_UNSELECTABLE, '[',
7833                       GDI_TEXT_SIZE, selectbox_info[i].size,
7834                       GDI_TEXT_FONT, FONT_INPUT_1,
7835                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
7836                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
7837                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7838                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7839                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7840                       GDI_BORDER_SIZE_SELECTBUTTON, selectbox_button_xsize,
7841                       GDI_DESIGN_WIDTH, gd->width,
7842                       GDI_EVENT_MASK, event_mask,
7843                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7844                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
7845                       GDI_END);
7846
7847     if (gi == NULL)
7848       Fail("cannot create gadget");
7849
7850     level_editor_gadget[id] = gi;
7851     right_gadget_border[id] =
7852       getRightGadgetBorder(gi, selectbox_info[i].text_right);
7853   }
7854 }
7855
7856 static void CreateTextbuttonGadgets(void)
7857 {
7858   int max_infotext_len = getMaxInfoTextLength();
7859   int i;
7860
7861   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
7862   {
7863     int id = textbutton_info[i].gadget_id;
7864     int type_id = textbutton_info[i].gadget_type_id;
7865     int is_tab_button =
7866       ((id >= GADGET_ID_LEVELCONFIG_LEVEL && id <= GADGET_ID_LEVELCONFIG_ENGINE) ||
7867        (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE));
7868     int graphic =
7869       (is_tab_button ? IMG_EDITOR_TABBUTTON : IMG_EDITOR_TEXTBUTTON);
7870     int gadget_distance =
7871       (is_tab_button ? ED_GADGET_SMALL_DISTANCE : ED_GADGET_TEXT_DISTANCE);
7872     struct GraphicInfo *gd = &graphic_info[graphic];
7873     int gd_x1 = gd->src_x;
7874     int gd_y1 = gd->src_y;
7875     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7876     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7877     int gd_x1a = gd->src_x + gd->active_xoffset;
7878     int gd_y1a = gd->src_y + gd->active_yoffset;
7879     int border_xsize = gd->border_size + gd->draw_xoffset;
7880     int border_ysize = gd->border_size;
7881     struct GadgetInfo *gi;
7882     unsigned int event_mask = GD_EVENT_RELEASED;
7883     char infotext[MAX_OUTPUT_LINESIZE + 1];
7884     int x = SX + ED_SETTINGS_X(textbutton_info[i].x);
7885     int y = SY + ED_SETTINGS_Y(textbutton_info[i].y);
7886
7887     if (type_id != i)
7888       Fail("'textbutton_info' structure corrupted at index %d -- please fix", i);
7889
7890     if (textbutton_info[i].size == -1)  // dynamically determine size
7891       textbutton_info[i].size = strlen(textbutton_info[i].text);
7892
7893     sprintf(infotext, "%s", textbutton_info[i].infotext);
7894     infotext[max_infotext_len] = '\0';
7895
7896     // determine horizontal position to the right of specified gadget
7897     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
7898     {
7899       int gadget_id_align = textbutton_info[i].gadget_id_align;
7900
7901       x = right_gadget_border[gadget_id_align] + gadget_distance;
7902
7903       if (textbutton_info[i].y == -1)
7904         y = level_editor_gadget[gadget_id_align]->y;
7905     }
7906
7907     // determine horizontal offset for leading text
7908     if (textbutton_info[i].text_left != NULL)
7909       x += getTextWidthForGadget(textbutton_info[i].text_left);
7910
7911     gi = CreateGadget(GDI_CUSTOM_ID, id,
7912                       GDI_CUSTOM_TYPE_ID, type_id,
7913                       GDI_IMAGE_ID, graphic,
7914                       GDI_INFO_TEXT, infotext,
7915                       GDI_X, x,
7916                       GDI_Y, y,
7917                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
7918                       GDI_TEXT_VALUE, textbutton_info[i].text,
7919                       GDI_TEXT_SIZE, textbutton_info[i].size,
7920                       GDI_TEXT_FONT, FONT_INPUT_2,
7921                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2_ACTIVE,
7922                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7923                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7924                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7925                       GDI_BORDER_SIZE, border_xsize, border_ysize,
7926                       GDI_DESIGN_WIDTH, gd->width,
7927                       GDI_DECORATION_SHIFTING, 1, 1,
7928                       GDI_EVENT_MASK, event_mask,
7929                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7930                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
7931                       GDI_END);
7932
7933     if (gi == NULL)
7934       Fail("cannot create gadget");
7935
7936     level_editor_gadget[id] = gi;
7937     right_gadget_border[id] =
7938       getRightGadgetBorder(gi, textbutton_info[i].text_right);
7939   }
7940 }
7941
7942 static void CreateGraphicbuttonGadgets(void)
7943 {
7944   struct GadgetInfo *gi;
7945   int i;
7946
7947   // create buttons for scrolling of drawing area and element list
7948   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
7949   {
7950     int id = graphicbutton_info[i].gadget_id;
7951     int type_id = graphicbutton_info[i].gadget_type_id;
7952     int x = SX + ED_SETTINGS_X(graphicbutton_info[i].x);
7953     int y = SY + ED_SETTINGS_Y(graphicbutton_info[i].y);
7954     int graphic = graphicbutton_info[i].graphic;
7955     struct GraphicInfo *gd = &graphic_info[graphic];
7956     int gd_x1 = gd->src_x;
7957     int gd_y1 = gd->src_y;
7958     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7959     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7960     unsigned int event_mask = GD_EVENT_RELEASED;
7961
7962     if (type_id != i)
7963       Fail("'graphicbutton_info' structure corrupted at index %d -- please fix", i);
7964
7965     // determine horizontal position to the right of specified gadget
7966     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
7967       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
7968            ED_GADGET_TEXT_DISTANCE);
7969
7970     // determine horizontal offset for leading text
7971     if (graphicbutton_info[i].text_left != NULL)
7972       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
7973
7974     gi = CreateGadget(GDI_CUSTOM_ID, id,
7975                       GDI_CUSTOM_TYPE_ID, type_id,
7976                       GDI_IMAGE_ID, graphic,
7977                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
7978                       GDI_X, x,
7979                       GDI_Y, y,
7980                       GDI_WIDTH, gd->width,
7981                       GDI_HEIGHT, gd->height,
7982                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7983                       GDI_STATE, GD_BUTTON_UNPRESSED,
7984                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7985                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7986                       GDI_EVENT_MASK, event_mask,
7987                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7988                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
7989                       GDI_END);
7990
7991     if (gi == NULL)
7992       Fail("cannot create gadget");
7993
7994     level_editor_gadget[id] = gi;
7995     right_gadget_border[id] =
7996       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
7997   }
7998 }
7999
8000 static void CreateScrollbarGadgets(void)
8001 {
8002   int i;
8003
8004   // these values are not constant, but can change at runtime
8005   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
8006     SX + ED_SCROLL_HORIZONTAL_XPOS;
8007   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
8008     SY + ED_SCROLL_HORIZONTAL_YPOS;
8009   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
8010     ED_SCROLL_HORIZONTAL_XSIZE;
8011   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
8012     ED_SCROLL_HORIZONTAL_YSIZE;
8013   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
8014   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
8015   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
8016   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
8017
8018   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
8019     SX + ED_SCROLL_VERTICAL_XPOS;
8020   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
8021     SY + ED_SCROLL_VERTICAL_YPOS;
8022   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
8023     ED_SCROLL_VERTICAL_XSIZE;
8024   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
8025     ED_SCROLL_VERTICAL_YSIZE;
8026   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
8027   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
8028   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
8029   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
8030
8031   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
8032     PX + ED_SCROLL2_VERTICAL_XPOS;
8033   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
8034     PY + ED_SCROLL2_VERTICAL_YPOS;
8035   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
8036     ED_SCROLL2_VERTICAL_XSIZE;
8037   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
8038     ED_SCROLL2_VERTICAL_YSIZE;
8039   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = PX;
8040   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = PY;
8041   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = PXSIZE;
8042   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = PYSIZE;
8043
8044   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
8045   {
8046     int id = scrollbar_info[i].gadget_id;
8047     int type_id = scrollbar_info[i].gadget_type_id;
8048     int graphic = scrollbar_info[i].graphic;
8049     struct GraphicInfo *gd = &graphic_info[graphic];
8050     int gd_x1 = gd->src_x;
8051     int gd_y1 = gd->src_y;
8052     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8053     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8054     struct GadgetInfo *gi;
8055     int items_max, items_visible, item_position;
8056     unsigned int event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
8057
8058     if (type_id != i)
8059       Fail("'scrollbar_info' structure corrupted at index %d -- please fix", i);
8060
8061     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
8062     {
8063       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
8064       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
8065       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
8066     }
8067     else        // drawing area scrollbars
8068     {
8069       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
8070       {
8071         items_max = MAX(lev_fieldx + 2, ed_fieldx);
8072         items_visible = ed_fieldx;
8073         item_position = 0;
8074       }
8075       else
8076       {
8077         items_max = MAX(lev_fieldy + 2, ed_fieldy);
8078         items_visible = ed_fieldy;
8079         item_position = 0;
8080       }
8081     }
8082
8083     gi = CreateGadget(GDI_CUSTOM_ID, id,
8084                       GDI_CUSTOM_TYPE_ID, type_id,
8085                       GDI_IMAGE_ID, graphic,
8086                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
8087                       GDI_X, scrollbar_pos[i].x,
8088                       GDI_Y, scrollbar_pos[i].y,
8089                       GDI_WIDTH, scrollbar_pos[i].width,
8090                       GDI_HEIGHT, scrollbar_pos[i].height,
8091                       GDI_TYPE, scrollbar_info[i].type,
8092                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
8093                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
8094                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
8095                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
8096                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
8097                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
8098                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
8099                       GDI_STATE, GD_BUTTON_UNPRESSED,
8100                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8101                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8102                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8103                       GDI_EVENT_MASK, event_mask,
8104                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8105                       GDI_CALLBACK_ACTION, HandleControlButtons,
8106                       GDI_END);
8107
8108     if (gi == NULL)
8109       Fail("cannot create gadget");
8110
8111     level_editor_gadget[id] = gi;
8112   }
8113 }
8114
8115 static void CreateCheckbuttonGadgets(void)
8116 {
8117   struct GadgetInfo *gi;
8118   int i;
8119
8120   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
8121   {
8122     int id = checkbutton_info[i].gadget_id;
8123     int type_id = checkbutton_info[i].gadget_type_id;
8124     int graphic = (id == GADGET_ID_STICK_ELEMENT ? IMG_EDITOR_STICKYBUTTON :
8125                    IMG_EDITOR_CHECKBOX);
8126     struct GraphicInfo *gd = &graphic_info[graphic];
8127     int gd_x1 = gd->src_x;
8128     int gd_y1 = gd->src_y;
8129     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8130     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8131     int gd_x1a = gd->src_x + gd->active_xoffset;
8132     int gd_y1a = gd->src_y + gd->active_yoffset;
8133     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
8134     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
8135     int x = SX + ED_SETTINGS_X(checkbutton_info[i].x);
8136     int y = SY + ED_SETTINGS_Y(checkbutton_info[i].y);
8137     unsigned int event_mask = GD_EVENT_PRESSED;
8138
8139     if (type_id != i)
8140       Fail("'checkbutton_info' structure corrupted at index %d -- please fix", i);
8141
8142     // determine horizontal position to the right of specified gadget
8143     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
8144       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
8145            ED_GADGET_TEXT_DISTANCE);
8146
8147     // determine horizontal offset for leading text
8148     if (checkbutton_info[i].text_left != NULL)
8149       x += getTextWidthForGadget(checkbutton_info[i].text_left);
8150
8151     gi = CreateGadget(GDI_CUSTOM_ID, id,
8152                       GDI_CUSTOM_TYPE_ID, type_id,
8153                       GDI_IMAGE_ID, graphic,
8154                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
8155                       GDI_X, x,
8156                       GDI_Y, y,
8157                       GDI_WIDTH, gd->width,
8158                       GDI_HEIGHT, gd->height,
8159                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
8160                       GDI_CHECKED, *checkbutton_info[i].value,
8161                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8162                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8163                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
8164                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
8165                       GDI_EVENT_MASK, event_mask,
8166                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8167                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
8168                       GDI_END);
8169
8170     if (gi == NULL)
8171       Fail("cannot create gadget");
8172
8173     level_editor_gadget[id] = gi;
8174     right_gadget_border[id] =
8175       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
8176   }
8177 }
8178
8179 static void CreateRadiobuttonGadgets(void)
8180 {
8181   int graphic = IMG_EDITOR_RADIOBUTTON;
8182   struct GraphicInfo *gd = &graphic_info[graphic];
8183   int gd_x1 = gd->src_x;
8184   int gd_y1 = gd->src_y;
8185   int gd_x2 = gd->src_x + gd->pressed_xoffset;
8186   int gd_y2 = gd->src_y + gd->pressed_yoffset;
8187   int gd_x1a = gd->src_x + gd->active_xoffset;
8188   int gd_y1a = gd->src_y + gd->active_yoffset;
8189   int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
8190   int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
8191   struct GadgetInfo *gi;
8192   int i;
8193
8194   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
8195   {
8196     int id = radiobutton_info[i].gadget_id;
8197     int type_id = radiobutton_info[i].gadget_type_id;
8198     int x = SX + ED_SETTINGS_X(radiobutton_info[i].x);
8199     int y = SY + ED_SETTINGS_Y(radiobutton_info[i].y);
8200     unsigned int event_mask = GD_EVENT_PRESSED;
8201
8202     if (type_id != i)
8203       Fail("'radiobutton_info' structure corrupted at index %d -- please fix", i);
8204
8205     int checked =
8206       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
8207
8208     // determine horizontal position to the right of specified gadget
8209     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
8210       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
8211            ED_GADGET_TEXT_DISTANCE);
8212
8213     // determine horizontal offset for leading text
8214     if (radiobutton_info[i].text_left != NULL)
8215       x += getTextWidthForGadget(radiobutton_info[i].text_left);
8216
8217     gi = CreateGadget(GDI_CUSTOM_ID, id,
8218                       GDI_CUSTOM_TYPE_ID, type_id,
8219                       GDI_IMAGE_ID, graphic,
8220                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
8221                       GDI_X, x,
8222                       GDI_Y, y,
8223                       GDI_WIDTH, gd->width,
8224                       GDI_HEIGHT, gd->height,
8225                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
8226                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
8227                       GDI_CHECKED, checked,
8228                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8229                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8230                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
8231                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
8232                       GDI_EVENT_MASK, event_mask,
8233                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8234                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
8235                       GDI_END);
8236
8237     if (gi == NULL)
8238       Fail("cannot create gadget");
8239
8240     level_editor_gadget[id] = gi;
8241     right_gadget_border[id] =
8242       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
8243   }
8244 }
8245
8246 void CreateLevelEditorGadgets(void)
8247 {
8248   // force EDITOR font inside level editor
8249   SetFontStatus(GAME_MODE_EDITOR);
8250
8251   // these values are not constant, but can change at runtime
8252   ed_fieldx = MAX_ED_FIELDX - 1;
8253   ed_fieldy = MAX_ED_FIELDY - 1;
8254
8255   num_editor_gadgets = NUM_EDITOR_GADGETS;
8256
8257   // Debug("editor", "allocating %d gadgets ...\n", num_editor_gadgets);
8258
8259   level_editor_gadget =
8260     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
8261   right_gadget_border =
8262     checked_calloc(num_editor_gadgets * sizeof(int));
8263
8264   // set number of empty (padding) element buttons to maximum number of buttons
8265   num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS;
8266
8267   editor_el_empty = checked_calloc(num_editor_el_empty * sizeof(int));
8268   editor_el_empty_ptr = editor_el_empty;
8269
8270   use_permanent_palette = !editor.palette.show_as_separate_screen;
8271
8272   InitGadgetScreenBorders(-1, INFOTEXT_YPOS);
8273
8274   ReinitializeElementList();
8275
8276   CreateControlButtons();
8277   CreateScrollbarGadgets();
8278
8279   // order of function calls is important because of cross-references
8280   CreateCheckbuttonGadgets();
8281   CreateCounterButtons();
8282   CreateRadiobuttonGadgets();
8283   CreateTextInputGadgets();
8284   CreateTextAreaGadgets();
8285   CreateSelectboxGadgets();
8286   CreateGraphicbuttonGadgets();
8287   CreateTextbuttonGadgets();
8288   CreateDrawingAreas();
8289
8290   ResetFontStatus();
8291 }
8292
8293 void FreeLevelEditorGadgets(void)
8294 {
8295   int i;
8296
8297   // Debug("editor", "freeing %d gadgets ...\n", num_editor_gadgets);
8298
8299   for (i = 0; i < num_editor_gadgets; i++)
8300   {
8301     FreeGadget(level_editor_gadget[i]);
8302
8303     level_editor_gadget[i] = NULL;
8304   }
8305
8306   checked_free(level_editor_gadget);
8307   checked_free(right_gadget_border);
8308
8309   checked_free(editor_el_empty);
8310 }
8311
8312 static void MapCounterButtons(int id)
8313 {
8314   int font_nr = FONT_TEXT_1;
8315   int font_height = getFontHeight(font_nr);
8316   int gadget_id_down = counterbutton_info[id].gadget_id_down;
8317   int gadget_id_text = counterbutton_info[id].gadget_id_text;
8318   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
8319   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
8320   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
8321   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
8322   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
8323   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8324   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8325   int yoffset = (gi_down->height - font_height) / 2;
8326   int x_left = gi_down->x - xoffset_left;
8327   int x_right;  // set after gadget position was modified
8328   int y_above = gi_down->y - yoffset_above;
8329   int x = gi_down->x;
8330   int y;        // set after gadget position was modified
8331
8332   // counter limits must be changed first to prevent value truncation
8333   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
8334                             counterbutton_info[id].max_value);
8335
8336   // right text position might have changed after setting position above
8337   x_right = gi_up->x + gi_up->width + xoffset_right;
8338
8339   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
8340
8341   // set position for counter gadgets with dynamically determined position
8342   if (id != ED_COUNTER_ID_SELECT_LEVEL)
8343   {
8344     ModifyGadget(gi_down, GDI_Y, SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
8345     ModifyGadget(gi_text, GDI_Y, SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
8346     ModifyGadget(gi_up,   GDI_Y, SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
8347   }
8348
8349   // vertical position might have changed after setting position above
8350   y = gi_up->y + yoffset;
8351
8352   if (counterbutton_info[id].text_above)
8353     DrawText(x, y_above, counterbutton_info[id].text_above, font_nr);
8354
8355   if (counterbutton_info[id].text_left)
8356     DrawText(x_left, y, counterbutton_info[id].text_left, font_nr);
8357
8358   if (counterbutton_info[id].text_right)
8359     DrawText(x_right, y, counterbutton_info[id].text_right, font_nr);
8360
8361   MapGadget(gi_down);
8362   MapGadget(gi_text);
8363   MapGadget(gi_up);
8364 }
8365
8366 static void MapControlButtons(void)
8367 {
8368   int counter_id;
8369   int i;
8370
8371   // map toolbox buttons (excluding special CE toolbox buttons)
8372   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
8373     MapGadget(level_editor_gadget[i]);
8374
8375   // map toolbox buttons (element properties buttons)
8376   for (i = ED_NUM_CTRL1_4_BUTTONS; i < ED_NUM_CTRL1_7_BUTTONS; i++)
8377     MapGadget(level_editor_gadget[i]);
8378
8379   if (use_permanent_palette)
8380   {
8381     // map buttons to select elements
8382     for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
8383       MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
8384     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
8385     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
8386     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
8387   }
8388
8389   // map buttons to select level
8390   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
8391   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
8392   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
8393   MapCounterButtons(counter_id);
8394 }
8395
8396 static void MapDrawingArea(int id)
8397 {
8398   int font_nr = FONT_TEXT_1;
8399   int font_height = getFontHeight(font_nr);
8400   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
8401   int area_xsize = gi->drawing.area_xsize;
8402   int area_ysize = gi->drawing.area_ysize;
8403   int xoffset_left = getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8404   int xoffset_below = getTextWidth(drawingarea_info[id].text_below, font_nr);
8405   int x_left  = gi->x - xoffset_left - ED_DRAWINGAREA_BORDER_SIZE;
8406   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
8407   int x_above = gi->x - ED_DRAWINGAREA_BORDER_SIZE;
8408   int x_below = gi->x + (gi->width - xoffset_below) / 2;
8409   int y_side  = gi->y + (gi->height - font_height) / 2;
8410   int y_above = gi->y - font_height - ED_DRAWINGAREA_TEXT_DISTANCE;
8411   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
8412
8413   if (drawingarea_info[id].text_left)
8414     DrawText(x_left, y_side, drawingarea_info[id].text_left, font_nr);
8415
8416   if (drawingarea_info[id].text_right)
8417     DrawText(x_right, y_side, drawingarea_info[id].text_right, font_nr);
8418
8419   if (drawingarea_info[id].text_above)
8420     DrawText(x_above, y_above, drawingarea_info[id].text_above, font_nr);
8421
8422   if (drawingarea_info[id].text_below)
8423     DrawText(x_below, y_below, drawingarea_info[id].text_below, font_nr);
8424
8425   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
8426   {
8427     DrawElementBorder(gi->x, gi->y,
8428                       area_xsize * ED_DRAWINGAREA_TILE_SIZE,
8429                       area_ysize * ED_DRAWINGAREA_TILE_SIZE, TRUE);
8430
8431     DrawDrawingArea(id);
8432   }
8433
8434   MapGadget(gi);
8435 }
8436
8437 static void MapTextInputGadget(int id)
8438 {
8439   int font_nr = FONT_TEXT_1;
8440   int font_height = getFontHeight(font_nr);
8441   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
8442   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8443   int x_above = ED_SETTINGS_X(textinput_info[id].x);
8444   int y_above = ED_SETTINGS_Y(textinput_info[id].y) - yoffset_above;
8445
8446   if (textinput_info[id].text_above)
8447     DrawTextS(x_above, y_above, font_nr, textinput_info[id].text_above);
8448
8449   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
8450
8451   MapGadget(gi);
8452 }
8453
8454 static void MapTextAreaGadget(int id)
8455 {
8456   int font_nr = FONT_TEXT_1;
8457   int font_height = getFontHeight(font_nr);
8458   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
8459   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8460   int x_above = ED_SETTINGS_X(textarea_info[id].x);
8461   int y_above = ED_SETTINGS_Y(textarea_info[id].y) - yoffset_above;
8462   char *text_above = textarea_info[id].text_above;
8463
8464   if (gi->textarea.cropped && textarea_info[id].text_above_cropped)
8465     text_above = textarea_info[id].text_above_cropped;
8466
8467   if (text_above)
8468     DrawTextS(x_above, y_above, font_nr, text_above);
8469
8470   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
8471
8472   MapGadget(gi);
8473 }
8474
8475 static void MapSelectboxGadget(int id)
8476 {
8477   int font_nr = FONT_TEXT_1;
8478   int font_height = getFontHeight(font_nr);
8479   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
8480   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
8481   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8482   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8483   int yoffset = (gi->height - font_height) / 2;
8484   int x_left = gi->x - xoffset_left;
8485   int x_right = gi->x + gi->width + xoffset_right;
8486   int y_above = gi->y - yoffset_above;
8487   int x = gi->x;
8488   int y = gi->y + yoffset;
8489
8490   if (selectbox_info[id].text_above)
8491     DrawText(x, y_above, selectbox_info[id].text_above, font_nr);
8492
8493   if (selectbox_info[id].text_left)
8494     DrawText(x_left, y, selectbox_info[id].text_left, font_nr);
8495
8496   if (selectbox_info[id].text_right)
8497     DrawText(x_right, y, selectbox_info[id].text_right, font_nr);
8498
8499   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
8500
8501   MapGadget(gi);
8502 }
8503
8504 static void MapTextbuttonGadget(int id)
8505 {
8506   int font_nr = FONT_TEXT_1;
8507   int font_height = getFontHeight(font_nr);
8508   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
8509   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
8510   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8511   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8512   int yoffset = (gi->height - font_height) / 2;
8513   int x_left = gi->x - xoffset_left;
8514   int x_right = gi->x + gi->width + xoffset_right;
8515   int y_above = gi->y - yoffset_above;
8516   int x = gi->x;
8517   int y = gi->y + yoffset;
8518
8519   // only show button to delete change pages when more than minimum pages
8520   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
8521       custom_element.num_change_pages == MIN_CHANGE_PAGES)
8522     return;
8523
8524   if (textbutton_info[id].text_above)
8525     DrawText(x, y_above, textbutton_info[id].text_above, font_nr);
8526
8527   if (textbutton_info[id].text_left)
8528     DrawText(x_left, y, textbutton_info[id].text_left, font_nr);
8529
8530   if (textbutton_info[id].text_right)
8531     DrawText(x_right, y, textbutton_info[id].text_right, font_nr);
8532
8533   MapGadget(gi);
8534 }
8535
8536 static void MapGraphicbuttonGadget(int id)
8537 {
8538   int font_nr = FONT_TEXT_1;
8539   int font_height = getFontHeight(font_nr);
8540   struct GadgetInfo *gi = level_editor_gadget[graphicbutton_info[id].gadget_id];
8541   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
8542   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8543   int yoffset = (gi->height - font_height) / 2;
8544   int x_left = gi->x - xoffset_left;
8545   int x_right = gi->x + gi->width + xoffset_right;
8546   int y = gi->y + yoffset;
8547
8548   if (graphicbutton_info[id].text_left)
8549     DrawText(x_left, y, graphicbutton_info[id].text_left, font_nr);
8550
8551   if (graphicbutton_info[id].text_right)
8552     DrawText(x_right, y, graphicbutton_info[id].text_right, font_nr);
8553
8554   MapGadget(gi);
8555 }
8556
8557 static void MapRadiobuttonGadget(int id)
8558 {
8559   int font_nr = FONT_TEXT_1;
8560   int font_height = getFontHeight(font_nr);
8561   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
8562   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
8563   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8564   int yoffset = (gi->height - font_height) / 2;
8565   int x_left = gi->x - xoffset_left;
8566   int x_right = gi->x + gi->width + xoffset_right;
8567   int y = gi->y + yoffset;
8568   boolean checked =
8569     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
8570
8571   if (radiobutton_info[id].text_left)
8572     DrawText(x_left, y, radiobutton_info[id].text_left, font_nr);
8573
8574   if (radiobutton_info[id].text_right)
8575     DrawText(x_right, y, radiobutton_info[id].text_right, font_nr);
8576
8577   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
8578
8579   MapGadget(gi);
8580 }
8581
8582 static void MapCheckbuttonGadget(int id)
8583 {
8584   int font_nr = FONT_TEXT_1;
8585   int font_height = getFontHeight(font_nr);
8586   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
8587   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
8588   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8589   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8590   int yoffset = (gi->height - font_height) / 2;
8591   int y_above = gi->y - yoffset_above;
8592   int x = gi->x;
8593   int x_left, x_right, y;       // set after gadget position was modified
8594
8595   // set position for gadgets with dynamically determined position
8596   if (checkbutton_info[id].x != -1)     // do not change dynamic positions
8597     ModifyGadget(gi, GDI_X, SX + ED_SETTINGS_X(checkbutton_info[id].x), GDI_END);
8598   ModifyGadget(gi, GDI_Y, SY + ED_SETTINGS_Y(checkbutton_info[id].y), GDI_END);
8599
8600   x_left = gi->x - xoffset_left;
8601   x_right = gi->x + gi->width + xoffset_right;
8602   y = gi->y + yoffset;
8603
8604   if (checkbutton_info[id].text_above)
8605     DrawText(x, y_above, checkbutton_info[id].text_above, font_nr);
8606
8607   if (checkbutton_info[id].text_left)
8608     DrawText(x_left, y, checkbutton_info[id].text_left, font_nr);
8609
8610   if (checkbutton_info[id].text_right)
8611     DrawText(x_right, y, checkbutton_info[id].text_right, font_nr);
8612
8613   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
8614
8615   MapGadget(gi);
8616 }
8617
8618 static void MapMainDrawingArea(void)
8619 {
8620   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
8621   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
8622   int i;
8623
8624   if (suppressBorderElement())
8625   {
8626     no_horizontal_scrollbar = (lev_fieldx <= ed_fieldx);
8627     no_vertical_scrollbar   = (lev_fieldy <= ed_fieldy);
8628   }
8629
8630   for (i = ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
8631   {
8632     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
8633           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
8634          no_horizontal_scrollbar) ||
8635         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
8636           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
8637          no_vertical_scrollbar))
8638       continue;
8639
8640     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
8641   }
8642
8643   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
8644   {
8645     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
8646         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
8647       continue;
8648
8649     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
8650   }
8651
8652   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
8653 }
8654
8655 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
8656 {
8657   int i;
8658
8659   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
8660   {
8661     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
8662         i == GADGET_ID_CUSTOM_COPY_TO ||
8663         i == GADGET_ID_CUSTOM_EXCHANGE ||
8664         i == GADGET_ID_CUSTOM_COPY ||
8665         i == GADGET_ID_CUSTOM_PASTE)
8666     {
8667       if (map)
8668         MapGadget(level_editor_gadget[i]);
8669       else
8670         UnmapGadget(level_editor_gadget[i]);
8671     }
8672   }
8673 }
8674
8675 static void MapLevelEditorToolboxCustomGadgets(void)
8676 {
8677   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
8678 }
8679
8680 static void MapLevelEditorToolboxCustomGadgetsIfNeeded(void)
8681 {
8682   if (IS_CUSTOM_ELEMENT(properties_element) ||
8683       IS_GROUP_ELEMENT(properties_element) ||
8684       IS_EMPTY_ELEMENT(properties_element))
8685     MapLevelEditorToolboxCustomGadgets();
8686 }
8687
8688 static void UnmapLevelEditorToolboxCustomGadgets(void)
8689 {
8690   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
8691 }
8692
8693 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
8694 {
8695   int i;
8696
8697   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
8698   {
8699     if (i != GADGET_ID_SINGLE_ITEMS &&
8700         i != GADGET_ID_PICK_ELEMENT)
8701     {
8702       struct GadgetInfo *gi = level_editor_gadget[i];
8703
8704       if (map)
8705       {
8706         MapGadget(gi);
8707       }
8708       else
8709       {
8710         int graphic = IMG_EDITOR_NO_TOOLBOX_BUTTON;
8711         struct GraphicInfo *gd = &graphic_info[graphic];
8712
8713         UnmapGadget(gi);
8714
8715         BlitBitmap(gd->bitmap, drawto, gd->src_x, gd->src_y,
8716                    gi->width, gi->height, gi->x, gi->y);
8717
8718         redraw_mask |= REDRAW_DOOR_3;
8719       }
8720     }
8721   }
8722 }
8723
8724 static void MapLevelEditorToolboxDrawingGadgets(void)
8725 {
8726   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
8727 }
8728
8729 static void UnmapLevelEditorToolboxDrawingGadgets(void)
8730 {
8731   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
8732 }
8733
8734 static void UnmapDrawingArea(int id)
8735 {
8736   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
8737 }
8738
8739 static void UnmapLevelEditorFieldGadgets(void)
8740 {
8741   int i;
8742
8743   for (i = 0; i < num_editor_gadgets; i++)
8744     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
8745                           level_editor_gadget[i]->y))
8746       UnmapGadget(level_editor_gadget[i]);
8747 }
8748
8749 void UnmapLevelEditorGadgets(void)
8750 {
8751   int i;
8752
8753   for (i = 0; i < num_editor_gadgets; i++)
8754     UnmapGadget(level_editor_gadget[i]);
8755 }
8756
8757 static void ResetUndoBuffer(void)
8758 {
8759   undo_buffer_position = -1;
8760   undo_buffer_steps = -1;
8761   redo_buffer_steps = 0;
8762
8763   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
8764
8765   level.changed = FALSE;
8766 }
8767
8768 static void DrawEditModeWindowExt(boolean remap_toolbox_gadgets)
8769 {
8770   if (remap_toolbox_gadgets)
8771   {
8772     ModifyEditorElementList();
8773     RedrawDrawingElements();
8774   }
8775
8776   if (edit_mode == ED_MODE_LEVELCONFIG)
8777     DrawLevelConfigWindow();
8778   else if (edit_mode == ED_MODE_PROPERTIES)
8779     DrawPropertiesWindow();
8780   else if (edit_mode == ED_MODE_PALETTE)
8781     DrawPaletteWindow();
8782   else  // edit_mode == ED_MODE_DRAWING
8783     DrawDrawingWindowExt(remap_toolbox_gadgets);
8784 }
8785
8786 static void DrawEditModeWindow(void)
8787 {
8788   DrawEditModeWindowExt(TRUE);
8789 }
8790
8791 static void DrawEditModeWindow_PlayfieldOnly(void)
8792 {
8793   DrawEditModeWindowExt(FALSE);
8794 }
8795
8796 static void ChangeEditModeWindow(int new_edit_mode)
8797 {
8798   edit_mode = (new_edit_mode != edit_mode ? new_edit_mode : ED_MODE_DRAWING);
8799
8800   DrawEditModeWindow();
8801 }
8802
8803 static boolean LevelChanged(void)
8804 {
8805   boolean field_changed = FALSE;
8806   int x, y;
8807
8808   for (y = 0; y < lev_fieldy; y++)
8809     for (x = 0; x < lev_fieldx; x++)
8810       if (Tile[x][y] != level.field[x][y])
8811         field_changed = TRUE;
8812
8813   return (level.changed || field_changed);
8814 }
8815
8816 static boolean PrepareSavingIntoPersonalLevelSet(void)
8817 {
8818   static LevelDirTree *last_copied_leveldir = NULL;
8819   static LevelDirTree *last_written_leveldir = NULL;
8820   static int last_copied_level_nr = -1;
8821   static int last_written_level_nr = -1;
8822   LevelDirTree *leveldir_former = leveldir_current;
8823   int level_nr_former = level_nr;
8824   int new_level_nr;
8825
8826   // remember last mod/save so that for current session, we write
8827   // back to the same personal copy, asking only about overwrite.
8828   if (leveldir_current == last_copied_leveldir &&
8829       level_nr == last_copied_level_nr)
8830   {
8831     // "cd" to personal level set dir (as used when writing last copy)
8832     leveldir_current = last_written_leveldir;
8833     level_nr = last_written_level_nr;
8834
8835     return TRUE;
8836   }
8837
8838   if (!Request("This level is read-only! "
8839                "Save into personal level set?", REQ_ASK))
8840     return FALSE;
8841
8842   // "cd" to personal level set dir (for writing copy the first time)
8843   leveldir_current =
8844     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
8845
8846   // this may happen if "setup.internal.create_user_levelset" is FALSE
8847   // or if file "levelinfo.conf" is missing in personal user level set
8848   if (leveldir_current == NULL)
8849   {
8850     Request("Cannot find personal level set?!", REQ_CONFIRM);
8851
8852     leveldir_current = leveldir_former;
8853
8854     return FALSE;
8855   }
8856
8857   // find unused level number
8858   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
8859   {
8860     static char *level_filename = NULL;
8861
8862     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
8863
8864     if (!fileExists(level_filename))
8865       break;
8866   }
8867
8868   last_copied_leveldir = leveldir_former;
8869   last_copied_level_nr = level_nr_former;
8870
8871   last_written_leveldir = leveldir_current;
8872   last_written_level_nr = level_nr = new_level_nr;
8873
8874   return TRUE;
8875 }
8876
8877 static void ModifyLevelConfigForSavingIntoPersonalLevelSet(char *former_name)
8878 {
8879   static char *filename_levelinfo = NULL, *mod_name = NULL;
8880   FILE *file;
8881
8882   // annotate this copy-and-mod in personal levelinfo.conf
8883   setString(&filename_levelinfo,
8884             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
8885
8886   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
8887   {
8888     fprintf(file, "\n");
8889     fprintf(file, "# level %d was modified from:\n", level_nr);
8890     fprintf(file, "# - previous level set name:    %s\n",
8891             former_name);
8892     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
8893             level.file_info.nr, level.name);
8894     fprintf(file, "# - previous author:            %s\n",
8895             level.author);
8896     fprintf(file, "# - previous save date:         ");
8897
8898     if (level.creation_date.src == DATE_SRC_LEVELFILE)
8899     {
8900       fprintf(file, "%04d-%02d-%02d\n",
8901               level.creation_date.year,
8902               level.creation_date.month,
8903               level.creation_date.day);
8904     }
8905     else
8906     {
8907       fprintf(file, "not recorded\n");
8908     }
8909
8910     fclose(file);
8911   }
8912
8913   if (level_nr > leveldir_current->last_level)
8914     UpdateUserLevelSet(getLoginName(), NULL, NULL, level_nr + 9);
8915
8916   // else: allow the save even if annotation failed
8917
8918   // now... spray graffiti on the old level vital statistics
8919   // user can change these; just trying to set a good baseline
8920
8921   // don't truncate names for fear of making offensive or silly:
8922   // long-named original author only recorded in levelinfo.conf.
8923   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
8924   if (!strEqual(level.author, leveldir_current->author))
8925   {
8926     setString(&mod_name, getStringCat3(leveldir_current->author,
8927                                        " after ", level.author));
8928
8929     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
8930       setString(&mod_name,
8931                 getStringCat2(leveldir_current->author, " (ed.)"));
8932
8933     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
8934       setString(&mod_name, leveldir_current->author);
8935
8936     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
8937
8938     // less worried about truncation here
8939     setString(&mod_name, getStringCat2("Mod: ", level.name));
8940     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
8941   }
8942 }
8943
8944 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
8945                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
8946 {
8947   int x, y;
8948
8949   for (x = 0; x < lev_fieldx; x++)
8950     for (y = 0; y < lev_fieldy; y++)
8951       dst[x][y] = src[x][y];
8952 }
8953
8954 static int setSelectboxValue(int selectbox_id, int new_value)
8955 {
8956   int new_index_value = 0;
8957   int i;
8958
8959   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
8960     if (selectbox_info[selectbox_id].options[i].value == new_value)
8961       new_index_value = i;
8962
8963   *selectbox_info[selectbox_id].value =
8964     selectbox_info[selectbox_id].options[new_index_value].value;
8965
8966   return new_index_value;
8967 }
8968
8969 static void setSelectboxSpecialActionVariablesIfNeeded(void)
8970 {
8971   int i;
8972
8973   // change action mode and arg variables according to action type variable
8974   for (i = 0; action_arg_options[i].value != -1; i++)
8975   {
8976     if (action_arg_options[i].value == custom_element_change.action_type)
8977     {
8978       int mode = action_arg_options[i].mode;
8979
8980       // only change if corresponding selectbox has changed
8981       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
8982           action_arg_modes[mode])
8983         custom_element_change.action_mode = -1;
8984
8985       // only change if corresponding selectbox has changed
8986       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
8987           action_arg_options[i].options)
8988         custom_element_change.action_arg = -1;
8989
8990       break;
8991     }
8992   }
8993 }
8994
8995 static void setSelectboxSpecialActionOptions(void)
8996 {
8997   int i;
8998
8999   // change action mode and arg selectbox according to action type selectbox
9000   for (i = 0; action_arg_options[i].value != -1; i++)
9001   {
9002     if (action_arg_options[i].value == custom_element_change.action_type)
9003     {
9004       int mode = action_arg_options[i].mode;
9005
9006       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
9007                                    action_arg_modes[mode]);
9008       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
9009                                  custom_element_change.action_mode);
9010
9011       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
9012                                    action_arg_options[i].options);
9013       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
9014                                  custom_element_change.action_arg);
9015       break;
9016     }
9017   }
9018 }
9019
9020 static void copy_custom_element_settings(int element_from, int element_to)
9021 {
9022   struct ElementInfo *ei_from = &element_info[element_from];
9023   struct ElementInfo *ei_to = &element_info[element_to];
9024
9025   copyElementInfo(ei_from, ei_to);
9026 }
9027
9028 static void replace_custom_element_in_settings(int element_from,
9029                                                int element_to)
9030 {
9031   int i, j, x, y;
9032
9033   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
9034   {
9035     struct ElementInfo *ei = &element_info[i];
9036
9037     for (y = 0; y < 3; y++)
9038       for (x = 0; x < 3; x++)
9039         if (ei->content.e[x][y] == element_from)
9040           ei->content.e[x][y] = element_to;
9041
9042     for (j = 0; j < ei->num_change_pages; j++)
9043     {
9044       struct ElementChangeInfo *change = &ei->change_page[j];
9045
9046       if (change->target_element == element_from)
9047         change->target_element = element_to;
9048
9049       if (change->initial_trigger_element == element_from)
9050         change->initial_trigger_element = element_to;
9051
9052       if (change->action_element == element_from)
9053         change->action_element = element_to;
9054
9055       for (y = 0; y < 3; y++)
9056         for (x = 0; x < 3; x++)
9057           if (change->target_content.e[x][y] == element_from)
9058             change->target_content.e[x][y] = element_to;
9059     }
9060
9061     if (ei->group != NULL)                              // group or internal
9062       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
9063         if (ei->group->element[j] == element_from)
9064           ei->group->element[j] = element_to;
9065   }
9066 }
9067
9068 static void replace_custom_element_in_playfield(int element_from,
9069                                                 int element_to)
9070 {
9071   int x, y;
9072
9073   for (x = 0; x < lev_fieldx; x++)
9074     for (y = 0; y < lev_fieldy; y++)
9075       if (Tile[x][y] == element_from)
9076         Tile[x][y] = element_to;
9077 }
9078
9079 static boolean CopyCustomElement(int element_old, int element_new,
9080                                  int copy_mode)
9081 {
9082   int copy_mode_orig = copy_mode;
9083
9084   if (copy_mode == GADGET_ID_CUSTOM_COPY)
9085   {
9086     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
9087                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
9088     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
9089   }
9090   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
9091   {
9092     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
9093                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
9094     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
9095
9096     level.changed = TRUE;
9097   }
9098   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
9099   {
9100     Request("Please choose custom element!", REQ_CONFIRM);
9101
9102     return FALSE;
9103   }
9104   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
9105   {
9106     Request("Please choose group element!", REQ_CONFIRM);
9107
9108     return FALSE;
9109   }
9110   else if (IS_EMPTY_ELEMENT(element_old) && !IS_EMPTY_ELEMENT(element_new))
9111   {
9112     Request("Please choose empty element!", REQ_CONFIRM);
9113
9114     return FALSE;
9115   }
9116   else
9117   {
9118     level.changed = TRUE;
9119   }
9120
9121   // when modifying custom/group element, ask for copying level template
9122   if (copy_mode_orig != GADGET_ID_CUSTOM_COPY && level.use_custom_template)
9123   {
9124     if (!AskToCopyAndModifyLevelTemplate())
9125       return FALSE;
9126   }
9127
9128   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
9129   {
9130     copy_custom_element_settings(element_new, element_old);
9131   }
9132   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
9133   {
9134     copy_custom_element_settings(element_old, element_new);
9135   }
9136   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
9137   {
9138     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
9139     copy_custom_element_settings(element_new, element_old);
9140     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
9141
9142     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
9143     replace_custom_element_in_settings(element_new, element_old);
9144     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
9145
9146     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
9147     replace_custom_element_in_playfield(element_new, element_old);
9148     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
9149   }
9150
9151   UpdateCustomElementGraphicGadgets();
9152   DrawPropertiesWindow();
9153
9154   return TRUE;
9155 }
9156
9157 static void CopyCustomElementPropertiesToEditor(int element)
9158 {
9159   int i;
9160   int current_change_page = element_info[element].current_change_page;
9161
9162   // dynamically (re)build selectbox for selecting change page
9163   for (i = 0; i < element_info[element].num_change_pages; i++)
9164   {
9165     sprintf(options_change_page_strings[i], "%d", i + 1);
9166
9167     options_change_page[i].value = i;
9168     options_change_page[i].text = options_change_page_strings[i];
9169   }
9170
9171   options_change_page[i].value = -1;
9172   options_change_page[i].text = NULL;
9173
9174   // needed here to initialize combined element properties
9175   InitElementPropertiesEngine(level.game_version);
9176
9177   element_info[element].change =
9178     &element_info[element].change_page[current_change_page];
9179
9180   custom_element = element_info[element];
9181   custom_element_change = *element_info[element].change;
9182
9183   // needed to initially set selectbox options for special action options
9184   setSelectboxSpecialActionOptions();
9185
9186   // needed to initially set selectbox value variables to reliable defaults
9187   for (i = 0; i < ED_NUM_SELECTBOX; i++)
9188     setSelectboxValue(i, *selectbox_info[i].value);
9189
9190   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
9191     custom_element_properties[i] = HAS_PROPERTY(element, i);
9192
9193   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
9194     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
9195
9196   // ---------- element settings: configure (custom elements) -----------------
9197
9198   // set accessible layer selectbox help value
9199   custom_element.access_type =
9200     (IS_WALKABLE(element) ? EP_WALKABLE :
9201      IS_PASSABLE(element) ? EP_PASSABLE :
9202      custom_element.access_type);
9203   custom_element.access_layer =
9204     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
9205      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
9206      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
9207      custom_element.access_layer);
9208   custom_element.access_protected =
9209     (IS_PROTECTED(element) ? 1 : 0);
9210   custom_element_properties[EP_ACCESSIBLE] =
9211     (IS_ACCESSIBLE_OVER(element) ||
9212      IS_ACCESSIBLE_INSIDE(element) ||
9213      IS_ACCESSIBLE_UNDER(element));
9214
9215   // set walk-to-object action selectbox help value
9216   custom_element.walk_to_action =
9217     (IS_DIGGABLE(element) ? EP_DIGGABLE :
9218      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
9219      IS_DROPPABLE(element) ? EP_DROPPABLE :
9220      IS_THROWABLE(element) ? EP_THROWABLE :
9221      IS_PUSHABLE(element) ? EP_PUSHABLE :
9222      custom_element.walk_to_action);
9223   custom_element_properties[EP_WALK_TO_OBJECT] =
9224     (IS_DIGGABLE(element) ||
9225      IS_COLLECTIBLE_ONLY(element) ||
9226      IS_DROPPABLE(element) ||
9227      IS_THROWABLE(element) ||
9228      IS_PUSHABLE(element));
9229
9230   // set smash targets selectbox help value
9231   custom_element.smash_targets =
9232     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
9233      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
9234      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
9235      custom_element.smash_targets);
9236   custom_element_properties[EP_CAN_SMASH] =
9237     (CAN_SMASH_EVERYTHING(element) ||
9238      CAN_SMASH_ENEMIES(element) ||
9239      CAN_SMASH_PLAYER(element));
9240
9241   // set deadliness selectbox help value
9242   custom_element.deadliness =
9243     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
9244      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
9245      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
9246      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
9247      custom_element.deadliness);
9248   custom_element_properties[EP_DEADLY] =
9249     (DONT_TOUCH(element) ||
9250      DONT_GET_HIT_BY(element) ||
9251      DONT_COLLIDE_WITH(element) ||
9252      DONT_RUN_INTO(element));
9253
9254   // ---------- element settings: advanced (custom elements) ------------------
9255
9256   // set "change by direct action" selectbox help value
9257   custom_element_change.direct_action =
9258     (HAS_CHANGE_EVENT(element, CE_NEXT_TO_PLAYER) ? CE_NEXT_TO_PLAYER :
9259      HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
9260      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
9261      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
9262      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
9263      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
9264      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
9265      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
9266      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
9267      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
9268      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
9269      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
9270      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
9271      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
9272      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
9273      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
9274      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
9275      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
9276      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
9277      HAS_CHANGE_EVENT(element, CE_CLICKED_BY_MOUSE) ? CE_CLICKED_BY_MOUSE :
9278      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_MOUSE) ? CE_PRESSED_BY_MOUSE :
9279      custom_element_change.direct_action);
9280
9281   // set "change by other element action" selectbox help value
9282   custom_element_change.other_action =
9283     (HAS_CHANGE_EVENT(element, CE_PLAYER_NEXT_TO_X) ? CE_PLAYER_NEXT_TO_X :
9284      HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
9285      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
9286      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
9287      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
9288      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
9289      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
9290      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
9291      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
9292      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
9293      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
9294      HAS_CHANGE_EVENT(element, CE_NEXT_TO_X) ? CE_NEXT_TO_X :
9295      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
9296      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
9297      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
9298      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
9299      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
9300      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
9301      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
9302      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
9303      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
9304      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
9305      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
9306      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
9307      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
9308      HAS_CHANGE_EVENT(element, CE_MOUSE_CLICKED_ON_X) ? CE_MOUSE_CLICKED_ON_X :
9309      HAS_CHANGE_EVENT(element, CE_MOUSE_PRESSED_ON_X) ? CE_MOUSE_PRESSED_ON_X :
9310      custom_element_change.other_action);
9311 }
9312
9313 static void CopyGroupElementPropertiesToEditor(int element)
9314 {
9315   group_element_info = *element_info[element].group;
9316   custom_element = element_info[element];       // needed for description
9317 }
9318
9319 static void CopyEmptyElementPropertiesToEditor(int element)
9320 {
9321   custom_element = element_info[element];
9322 }
9323
9324 static void CopyClassicElementPropertiesToEditor(int element)
9325 {
9326   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
9327     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
9328       getMoveIntoAcidProperty(&level, element);
9329
9330   if (MAYBE_DONT_COLLIDE_WITH(element))
9331     custom_element_properties[EP_DONT_COLLIDE_WITH] =
9332       getDontCollideWithProperty(&level, element);
9333 }
9334
9335 static void CopyElementPropertiesToEditor(int element)
9336 {
9337   if (IS_CUSTOM_ELEMENT(element))
9338     CopyCustomElementPropertiesToEditor(element);
9339   else if (IS_GROUP_ELEMENT(element))
9340     CopyGroupElementPropertiesToEditor(element);
9341   else if (IS_EMPTY_ELEMENT(element))
9342     CopyEmptyElementPropertiesToEditor(element);
9343   else
9344     CopyClassicElementPropertiesToEditor(element);
9345 }
9346
9347 static boolean AskToCopyAndModifyLevelTemplate(void)
9348 {
9349   if (Request("Copy and modify settings from level template?", REQ_ASK))
9350   {
9351     level.use_custom_template = FALSE;
9352
9353     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_1],
9354                  GDI_CHECKED, FALSE, GDI_END);
9355     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_2],
9356                  GDI_CHECKED, FALSE, GDI_END);
9357
9358     return TRUE;
9359   }
9360   else
9361   {
9362     LoadLevelTemplate(-1);      // this resets all element modifications ...
9363
9364     DrawEditModeWindow();       // ... and copies them to 'custom_element'
9365
9366     return FALSE;
9367   }
9368 }
9369
9370 static void CopyCustomElementPropertiesToGame(int element)
9371 {
9372   int i;
9373   int access_type_and_layer;
9374
9375   // mark that this custom element has been modified
9376   custom_element.modified_settings = TRUE;
9377   level.changed = TRUE;
9378
9379   if (level.use_custom_template)
9380     AskToCopyAndModifyLevelTemplate();
9381
9382   element_info[element] = custom_element;
9383   *element_info[element].change = custom_element_change;
9384
9385   // ---------- element settings: configure (custom elements) -----------------
9386
9387   // set accessible property from checkbox and selectbox
9388   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
9389   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
9390   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
9391   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
9392   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
9393   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
9394   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
9395                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
9396                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
9397   custom_element_properties[access_type_and_layer] =
9398     custom_element_properties[EP_ACCESSIBLE];
9399   custom_element_properties[EP_PROTECTED] =
9400     (custom_element.access_protected != 0 &&
9401      custom_element_properties[EP_ACCESSIBLE]);
9402
9403   // set walk-to-object property from checkbox and selectbox
9404   custom_element_properties[EP_DIGGABLE] = FALSE;
9405   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
9406   custom_element_properties[EP_DROPPABLE] = FALSE;
9407   custom_element_properties[EP_THROWABLE] = FALSE;
9408   custom_element_properties[EP_PUSHABLE] = FALSE;
9409   custom_element_properties[custom_element.walk_to_action] =
9410     custom_element_properties[EP_WALK_TO_OBJECT];
9411
9412   // set smash property from checkbox and selectbox
9413   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
9414   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
9415   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
9416   custom_element_properties[custom_element.smash_targets] =
9417     custom_element_properties[EP_CAN_SMASH];
9418
9419   // set deadliness property from checkbox and selectbox
9420   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
9421   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
9422   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
9423   custom_element_properties[EP_DONT_TOUCH] = FALSE;
9424   custom_element_properties[custom_element.deadliness] =
9425     custom_element_properties[EP_DEADLY];
9426
9427   // ---------- element settings: advanced (custom elements) ------------------
9428
9429   // set player change event from checkbox and selectbox
9430   custom_element_change_events[CE_NEXT_TO_PLAYER] = FALSE;
9431   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
9432   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
9433   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
9434   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
9435   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
9436   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
9437   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
9438   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
9439   custom_element_change_events[CE_SWITCHED] = FALSE;
9440   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
9441   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
9442   custom_element_change_events[CE_BLOCKED] = FALSE;
9443   custom_element_change_events[CE_IMPACT] = FALSE;
9444   custom_element_change_events[CE_SMASHED] = FALSE;
9445   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
9446   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
9447   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
9448   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
9449   custom_element_change_events[CE_CLICKED_BY_MOUSE] = FALSE;
9450   custom_element_change_events[CE_PRESSED_BY_MOUSE] = FALSE;
9451   custom_element_change_events[custom_element_change.direct_action] =
9452     custom_element_change_events[CE_BY_DIRECT_ACTION];
9453
9454   // set other element action change event from checkbox and selectbox
9455   custom_element_change_events[CE_PLAYER_NEXT_TO_X] = FALSE;
9456   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
9457   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
9458   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
9459   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
9460   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
9461   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
9462   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
9463   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
9464   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
9465   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
9466   custom_element_change_events[CE_NEXT_TO_X] = FALSE;
9467   custom_element_change_events[CE_TOUCHING_X] = FALSE;
9468   custom_element_change_events[CE_HITTING_X] = FALSE;
9469   custom_element_change_events[CE_DIGGING_X] = FALSE;
9470   custom_element_change_events[CE_HIT_BY_X] = FALSE;
9471   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
9472   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
9473   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
9474   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
9475   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
9476   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
9477   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
9478   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
9479   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
9480   custom_element_change_events[CE_MOUSE_CLICKED_ON_X] = FALSE;
9481   custom_element_change_events[CE_MOUSE_PRESSED_ON_X] = FALSE;
9482   custom_element_change_events[custom_element_change.other_action] =
9483     custom_element_change_events[CE_BY_OTHER_ACTION];
9484
9485   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
9486     SET_PROPERTY(element, i, custom_element_properties[i]);
9487
9488   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
9489     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
9490
9491   // copy change events also to special level editor variable
9492   custom_element = element_info[element];
9493   custom_element_change = *element_info[element].change;
9494
9495   // needed here to restore runtime value "element_info[element].gfx_element"
9496   InitElementPropertiesGfxElement();
9497 }
9498
9499 static void CopyGroupElementPropertiesToGame(int element)
9500 {
9501   // mark that this group element has been modified
9502   custom_element.modified_settings = TRUE;
9503   level.changed = TRUE;
9504
9505   if (level.use_custom_template)
9506     AskToCopyAndModifyLevelTemplate();
9507
9508   element_info[element] = custom_element;
9509   *element_info[element].group = group_element_info;
9510
9511   // needed here to restore runtime value "element_info[element].gfx_element"
9512   InitElementPropertiesGfxElement();
9513 }
9514
9515 static void CopyEmptyElementPropertiesToGame(int element)
9516 {
9517   // mark that this empty element has been modified
9518   custom_element.modified_settings = TRUE;
9519   level.changed = TRUE;
9520
9521   if (level.use_custom_template)
9522     AskToCopyAndModifyLevelTemplate();
9523
9524   element_info[element] = custom_element;
9525
9526   // needed here to restore runtime value "element_info[element].gfx_element"
9527   InitElementPropertiesGfxElement();
9528 }
9529
9530 static void CopyClassicElementPropertiesToGame(int element)
9531 {
9532   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
9533     setMoveIntoAcidProperty(&level, element,
9534                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
9535
9536   if (MAYBE_DONT_COLLIDE_WITH(element))
9537     setDontCollideWithProperty(&level, element,
9538                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
9539 }
9540
9541 static void CopyElementPropertiesToGame(int element)
9542 {
9543   if (IS_CUSTOM_ELEMENT(element))
9544     CopyCustomElementPropertiesToGame(element);
9545   else if (IS_GROUP_ELEMENT(element))
9546     CopyGroupElementPropertiesToGame(element);
9547   else if (IS_EMPTY_ELEMENT(element))
9548     CopyEmptyElementPropertiesToGame(element);
9549   else
9550     CopyClassicElementPropertiesToGame(element);
9551 }
9552
9553 #if DEBUG
9554 static void CheckElementDescriptions(void)
9555 {
9556   int i;
9557
9558   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
9559     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
9560       Warn("no element description file for element '%s'", EL_NAME(i));
9561 }
9562 #endif
9563
9564 static int getMaxEdFieldX(boolean has_scrollbar)
9565 {
9566   int scrollbar_width = (has_scrollbar ? ED_SCROLLBUTTON_XSIZE : 0);
9567   int sxsize = SXSIZE - scrollbar_width;
9568   int max_ed_fieldx = sxsize / ed_tilesize;
9569
9570   return max_ed_fieldx;
9571 }
9572
9573 static int getMaxEdFieldY(boolean has_scrollbar)
9574 {
9575   int infotext_height = (IN_PIX_FIELD(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY) ?
9576                          INFOTEXT_YSIZE_FULL : 0);
9577   int scrollbar_height = (has_scrollbar ? ED_SCROLLBUTTON_YSIZE : 0);
9578   int sysize = SYSIZE - scrollbar_height - infotext_height;
9579   int max_ed_fieldy = sysize / ed_tilesize;
9580
9581   return max_ed_fieldy;
9582 }
9583
9584 static void InitZoomLevelSettings(int zoom_tilesize)
9585 {
9586   static int last_game_engine_type = GAME_ENGINE_TYPE_UNKNOWN;
9587
9588   if (zoom_tilesize == -1 && level.game_engine_type != last_game_engine_type)
9589   {
9590     ed_tilesize = setup.auto_setup.editor_zoom_tilesize;
9591     ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
9592
9593     // make sure that tile size is always a power of 2
9594     ed_tilesize = (1 << log_2(ed_tilesize));
9595
9596     if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
9597     {
9598       ed_tilesize = DEFAULT_EDITOR_TILESIZE_MM;
9599       ed_tilesize_default = DEFAULT_EDITOR_TILESIZE_MM;
9600     }
9601   }
9602
9603   last_game_engine_type = level.game_engine_type;
9604
9605   // limit zoom tilesize by upper and lower bound
9606   ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
9607
9608   // store zoom tilesize in auto setup file only if it was manually changed
9609   if (zoom_tilesize != -1)
9610     setup.auto_setup.editor_zoom_tilesize = ed_tilesize;
9611
9612   MAX_ED_FIELDX = getMaxEdFieldX(FALSE);
9613   MAX_ED_FIELDY = getMaxEdFieldY(FALSE);
9614 }
9615
9616 static void InitDrawingElements(void)
9617 {
9618   static int game_engine_type_last = GAME_ENGINE_TYPE_UNKNOWN;
9619
9620   if (level.game_engine_type == game_engine_type_last)
9621     return;
9622
9623   if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
9624   {
9625     new_element1 = EL_BD_WALL;
9626     new_element2 = EL_EMPTY;
9627     new_element3 = EL_BD_SAND;
9628   }
9629   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
9630   {
9631     new_element1 = EL_SP_CHIP_SINGLE;
9632     new_element2 = EL_EMPTY;
9633     new_element3 = EL_SP_BASE;
9634   }
9635   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
9636   {
9637     new_element1 = EL_MM_MIRROR_START;
9638     new_element2 = EL_EMPTY;
9639     new_element3 = EL_MM_WOODEN_WALL;
9640   }
9641   else
9642   {
9643     new_element1 = EL_WALL;
9644     new_element2 = EL_EMPTY;
9645     new_element3 = EL_SAND;
9646   }
9647
9648   game_engine_type_last = level.game_engine_type;
9649 }
9650
9651 static void InitLevelSetInfo(void)
9652 {
9653   snprintf(levelset_name,   MAX_LEVEL_NAME_LEN + 1,
9654            "%s", leveldir_current->name);
9655   snprintf(levelset_author, MAX_LEVEL_AUTHOR_LEN + 1,
9656            "%s", leveldir_current->author);
9657
9658   levelset_num_levels = leveldir_current->levels;
9659
9660   levelset_use_levelset_artwork = FALSE;
9661   levelset_copy_level_template = FALSE;
9662
9663   levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
9664 }
9665
9666 static void ChangeEditorToLevelSet(char *levelset_subdir)
9667 {
9668   leveldir_current = getTreeInfoFromIdentifier(leveldir_first, levelset_subdir);
9669
9670   // the previous level set might have used custom artwork
9671   ReloadCustomArtwork(0);
9672
9673   LoadLevelSetup_SeriesInfo();
9674
9675   SaveLevelSetup_LastSeries();
9676   SaveLevelSetup_SeriesInfo();
9677
9678   TapeErase();
9679
9680   LoadLevel(level_nr);
9681   LoadScore(level_nr);
9682
9683   DrawLevelEd();
9684 }
9685
9686 static boolean useEditorDoorAnimation(void)
9687 {
9688   struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
9689   boolean door_1_viewport_unchanged =
9690     (vp_door_1->x      == DX     &&
9691      vp_door_1->y      == DY     &&
9692      vp_door_1->width  == DXSIZE &&
9693      vp_door_1->height == DYSIZE);
9694   boolean door_1_contains_toolbox =
9695     (EX >= DX &&
9696      EY >= DY &&
9697      EX + EXSIZE <= DX + DXSIZE &&
9698      EY + EYSIZE <= DY + DYSIZE);
9699
9700   return (door_1_viewport_unchanged && door_1_contains_toolbox);
9701 }
9702
9703 static void DrawEditorDoorBackground(int graphic, int x, int y,
9704                                      int width, int height)
9705 {
9706   struct GraphicInfo *g = &graphic_info[graphic];
9707
9708   if (g->bitmap != NULL)
9709     BlitBitmap(g->bitmap, drawto, g->src_x, g->src_y,
9710                MIN(width, g->width), MIN(height, g->height), x, y);
9711   else
9712     ClearRectangle(drawto, x, y, width, height);
9713 }
9714
9715 static void DrawEditorDoorContent(void)
9716 {
9717   // needed for gadgets drawn on background (like palette scrollbar)
9718   SetDoorBackgroundImage(IMG_UNDEFINED);
9719
9720   // copy default editor door content to main double buffer
9721   DrawEditorDoorBackground(IMG_BACKGROUND_PALETTE, DX, DY, DXSIZE, DYSIZE);
9722
9723   // draw bigger door
9724   DrawSpecialEditorDoor();
9725
9726   // draw new control window
9727   DrawEditorDoorBackground(IMG_BACKGROUND_TOOLBOX, EX, EY, EXSIZE, EYSIZE);
9728
9729   // draw all toolbox gadgets to editor doors
9730   MapControlButtons();
9731
9732   // when returning from test game to properties page, redraw toolbox gadgets
9733   if (edit_mode == ED_MODE_PROPERTIES)
9734   {
9735     UnmapLevelEditorToolboxDrawingGadgets();
9736     UnmapLevelEditorToolboxCustomGadgets();
9737
9738     MapLevelEditorToolboxCustomGadgetsIfNeeded();
9739   }
9740
9741   // draw all palette gadgets to editor doors
9742   ModifyEditorElementList();
9743   RedrawDrawingElements();
9744
9745   // copy actual editor door content to door double buffer for OpenDoor()
9746   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
9747 }
9748
9749 void DrawLevelEd(void)
9750 {
9751   int fade_mask = REDRAW_FIELD;
9752
9753   FadeSoundsAndMusic();
9754
9755   if (CheckFadeAll())
9756     fade_mask = REDRAW_ALL;
9757
9758   FadeOut(fade_mask);
9759
9760   // needed if different viewport properties defined for editor
9761   ChangeViewportPropertiesIfNeeded();
9762
9763   ClearField();
9764
9765   InitZoomLevelSettings(-1);
9766   InitDrawingElements();
9767   InitLevelSetInfo();
9768
9769 #if DEBUG
9770   CheckElementDescriptions();
9771 #endif
9772
9773   if (level_editor_test_game)
9774   {
9775     CopyPlayfield(level.field, Tile);
9776     CopyPlayfield(TileBackup, level.field);
9777
9778     level_editor_test_game = FALSE;
9779   }
9780   else
9781   {
9782     edit_mode = ED_MODE_DRAWING;
9783     edit_mode_levelconfig = ED_MODE_LEVELCONFIG_LEVEL;
9784     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
9785
9786     ResetUndoBuffer();
9787
9788     level_xpos = -1;
9789     level_ypos = -1;
9790   }
9791
9792   // redraw_mask |= REDRAW_ALL;
9793
9794   FreeLevelEditorGadgets();
9795   CreateLevelEditorGadgets();
9796
9797   ReinitializeElementList();            // update dynamic level element list
9798   ReinitializeElementListButtons();     // custom element may look different
9799
9800   InitElementPropertiesGfxElement();
9801
9802   UnmapAllGadgets();
9803
9804   DrawEditModeWindow_PlayfieldOnly();
9805
9806   DrawMaskedBorder(fade_mask);
9807
9808   // use door animation if door 1 viewport is unchanged and contains toolbox
9809   if (useEditorDoorAnimation())
9810   {
9811     FadeIn(fade_mask);
9812
9813     DrawEditorDoorContent();
9814
9815     OpenDoor(DOOR_OPEN_1 | DOOR_FORCE_ANIM);
9816   }
9817   else
9818   {
9819     DrawEditorDoorContent();
9820
9821     FadeIn(fade_mask);
9822   }
9823
9824   SetDoorState(DOOR_OPEN_1 | DOOR_OPEN_2);
9825 }
9826
9827 static void AdjustDrawingAreaGadgets(void)
9828 {
9829   int ed_xsize = lev_fieldx + 2;
9830   int ed_ysize = lev_fieldy + 2;
9831   int max_ed_fieldx = MAX_ED_FIELDX;
9832   int max_ed_fieldy = MAX_ED_FIELDY;
9833   boolean horizontal_scrollbar_needed;
9834   boolean vertical_scrollbar_needed;
9835   int x, y, width, height;
9836
9837   if (suppressBorderElement())
9838   {
9839     ed_xsize = lev_fieldx;
9840     ed_ysize = lev_fieldy;
9841   }
9842
9843   // check if we need any scrollbars
9844   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
9845   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
9846
9847   // check if we have a smaller editor field because of scrollbars
9848   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
9849   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
9850
9851   // check again if we now need more scrollbars because of less space
9852   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
9853   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
9854
9855   // check if editor field gets even smaller after adding new scrollbars
9856   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
9857   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
9858
9859   ed_fieldx = (ed_xsize > max_ed_fieldx ? max_ed_fieldx : ed_xsize);
9860   ed_fieldy = (ed_ysize > max_ed_fieldy ? max_ed_fieldy : ed_ysize);
9861
9862   x = SX + ed_fieldx * ed_tilesize;
9863   y = SY + ed_fieldy * ed_tilesize;
9864
9865   width  = ed_fieldx * ed_tilesize - 2 * ED_SCROLLBUTTON_XSIZE;
9866   height = ed_fieldy * ed_tilesize - 2 * ED_SCROLLBUTTON_YSIZE;
9867
9868   // adjust drawing area gadget
9869   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
9870                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
9871                GDI_ITEM_SIZE, ed_tilesize, ed_tilesize,
9872                GDI_END);
9873
9874   // adjust horizontal scrollbar gadgets
9875   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LEFT],
9876                GDI_Y, y,
9877                GDI_END);
9878   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT],
9879                GDI_X, x - ED_SCROLLBUTTON_XSIZE,
9880                GDI_Y, y,
9881                GDI_END);
9882   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
9883                GDI_Y, y,
9884                GDI_WIDTH, width,
9885                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
9886                GDI_END);
9887
9888   // adjust vertical scrollbar gadgets
9889   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_UP],
9890                GDI_X, x,
9891                GDI_END);
9892   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN],
9893                GDI_X, x,
9894                GDI_Y, y - ED_SCROLLBUTTON_YSIZE,
9895                GDI_END);
9896   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
9897                GDI_X, x,
9898                GDI_HEIGHT, height,
9899                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
9900                GDI_END);
9901 }
9902
9903 static void AdjustLevelScrollPosition(void)
9904 {
9905   if (level_xpos < -1)
9906     level_xpos = -1;
9907   if (level_xpos > lev_fieldx - ed_fieldx + 1)
9908     level_xpos = lev_fieldx - ed_fieldx + 1;
9909   if (lev_fieldx < ed_fieldx - 2)
9910     level_xpos = -1;
9911
9912   if (level_ypos < -1)
9913     level_ypos = -1;
9914   if (level_ypos > lev_fieldy - ed_fieldy + 1)
9915     level_ypos = lev_fieldy - ed_fieldy + 1;
9916   if (lev_fieldy < ed_fieldy - 2)
9917     level_ypos = -1;
9918
9919   if (suppressBorderElement())
9920   {
9921     level_xpos = 0;
9922     level_ypos = 0;
9923   }
9924 }
9925
9926 static void AdjustEditorScrollbar(int id)
9927 {
9928   struct GadgetInfo *gi = level_editor_gadget[id];
9929   int items_max, items_visible, item_position;
9930
9931   if (id == GADGET_ID_SCROLL_HORIZONTAL)
9932   {
9933     items_max = MAX(lev_fieldx + 2, ed_fieldx);
9934     items_visible = ed_fieldx;
9935     item_position = level_xpos + 1;
9936   }
9937   else
9938   {
9939     items_max = MAX(lev_fieldy + 2, ed_fieldy);
9940     items_visible = ed_fieldy;
9941     item_position = level_ypos + 1;
9942   }
9943
9944   if (item_position > items_max - items_visible)
9945     item_position = items_max - items_visible;
9946
9947   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
9948                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
9949 }
9950
9951 static void AdjustElementListScrollbar(void)
9952 {
9953   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
9954   int items_max, items_visible, item_position;
9955
9956   // correct position of element list scrollbar
9957   if (element_shift < 0)
9958     element_shift = 0;
9959   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
9960     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
9961
9962   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
9963   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
9964   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
9965
9966   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
9967                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
9968                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
9969 }
9970
9971 static void ModifyEditorCounterValue(int counter_id, int new_value)
9972 {
9973   int *counter_value = counterbutton_info[counter_id].value;
9974   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
9975   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9976
9977   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
9978
9979   if (counter_value != NULL)
9980     *counter_value = gi->textinput.number_value;
9981 }
9982
9983 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
9984 {
9985   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
9986   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9987
9988   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
9989
9990   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
9991       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
9992   {
9993     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
9994     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
9995
9996     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
9997     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_SMALL_DISTANCE,
9998                  GDI_END);
9999   }
10000 }
10001
10002 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
10003 {
10004   int gadget_id = selectbox_info[selectbox_id].gadget_id;
10005   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10006   int new_index_value = setSelectboxValue(selectbox_id, new_value);
10007
10008   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
10009 }
10010
10011 static void ModifyEditorSelectboxOptions(int selectbox_id,
10012                                          struct ValueTextInfo *options)
10013 {
10014   int gadget_id = selectbox_info[selectbox_id].gadget_id;
10015   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10016
10017   selectbox_info[selectbox_id].options = options;
10018
10019   // set index to zero -- list may be shorter now (correct later, if needed)
10020   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
10021                GDI_SELECTBOX_OPTIONS, options, GDI_END);
10022 }
10023
10024 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
10025 {
10026   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
10027   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10028
10029   drawingarea_info[drawingarea_id].area_xsize = xsize;
10030   drawingarea_info[drawingarea_id].area_ysize = ysize;
10031
10032   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
10033 }
10034
10035 static void ModifyEditorElementList(void)
10036 {
10037   int i;
10038
10039   if (!use_permanent_palette && edit_mode != ED_MODE_PALETTE)
10040     return;
10041
10042   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
10043   {
10044     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
10045     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10046     struct GadgetDesign *gd = &gi->deco.design;
10047     int element = editor_elements[element_shift + i];
10048     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
10049
10050     UnmapGadget(gi);
10051
10052     getEditorGraphicSource(element, tile_size, &gd->bitmap, &gd->x, &gd->y);
10053
10054     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
10055
10056     MapGadget(gi);
10057   }
10058 }
10059
10060 static void DrawDrawingElementGraphic(int element, struct XYTileSize *pos)
10061 {
10062   int graphic = el2edimg(element);
10063   int tile_size = BUTTON_TILE_SIZE(pos->tile_size);
10064
10065   if (pos->x == -1 &&
10066       pos->y == -1)
10067     return;
10068
10069   DrawSizedGraphicExt(drawto, DX + pos->x, DY + pos->y, graphic, 0, tile_size);
10070 }
10071
10072 static void ModifyDrawingElementButton(int element, int id)
10073 {
10074   struct GadgetInfo *gi = level_editor_gadget[id];
10075   Bitmap *deco_bitmap;
10076   int deco_x, deco_y;
10077   int tile_size = gi->deco.width;
10078
10079   getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
10080
10081   ModifyGadget(gi, GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y, GDI_END);
10082 }
10083
10084 static void PickDrawingElement(int button, int element)
10085 {
10086   struct
10087   {
10088     int *new_element;
10089     struct XYTileSize *pos;
10090     int id;
10091   } de, drawing_elements[] =
10092   {
10093     { &new_element1, &editor.palette.element_left,   GADGET_ID_ELEMENT_LEFT   },
10094     { &new_element2, &editor.palette.element_middle, GADGET_ID_ELEMENT_MIDDLE },
10095     { &new_element3, &editor.palette.element_right,  GADGET_ID_ELEMENT_RIGHT  },
10096   };
10097
10098   if (button < 1 || button > 3)
10099     return;
10100
10101   if (IS_MM_WALL(element))
10102     element = map_mm_wall_element(element);
10103
10104   de = drawing_elements[button - 1];
10105
10106   *de.new_element = element;    // update global drawing element variable
10107
10108   DrawDrawingElementGraphic(element, de.pos);
10109   ModifyDrawingElementButton(element, de.id);
10110
10111   redraw_mask |= REDRAW_DOOR_1;
10112 }
10113
10114 static void RedrawDrawingElements(void)
10115 {
10116   PickDrawingElement(1, new_element1);
10117   PickDrawingElement(2, new_element2);
10118   PickDrawingElement(3, new_element3);
10119 }
10120
10121 static void DrawDrawingWindowExt(boolean remap_toolbox_gadgets)
10122 {
10123   stick_element_properties_window = FALSE;
10124
10125   SetMainBackgroundImage(IMG_UNDEFINED);
10126   ClearField();
10127
10128   UnmapLevelEditorFieldGadgets();
10129
10130   AdjustDrawingAreaGadgets();
10131   AdjustLevelScrollPosition();
10132   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
10133   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
10134
10135   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10136
10137   MapMainDrawingArea();
10138
10139   if (remap_toolbox_gadgets)
10140   {
10141     UnmapLevelEditorToolboxCustomGadgets();
10142     MapLevelEditorToolboxDrawingGadgets();
10143   }
10144 }
10145
10146 static void DrawDrawingWindow(void)
10147 {
10148   DrawDrawingWindowExt(TRUE);
10149 }
10150
10151 static int getTabulatorBarWidth(void)
10152 {
10153   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
10154   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
10155
10156   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
10157 }
10158
10159 static int getTabulatorBarHeight(void)
10160 {
10161   return ED_TAB_BAR_HEIGHT;
10162 }
10163
10164 static Pixel getTabulatorBarColor(void)
10165 {
10166   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELCONFIG_LEVEL];
10167   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
10168   int gd_x = gd->x + gd_gi1->border.width / 2;
10169   int gd_y = gd->y + gd_gi1->height - 1;
10170
10171   return GetPixel(gd->bitmap, gd_x, gd_y);
10172 }
10173
10174 static void DrawLevelConfigTabulatorGadgets(void)
10175 {
10176   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELCONFIG_LEVEL];
10177   Pixel tab_color = getTabulatorBarColor();
10178   int id_first = ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL;
10179   int id_last  = ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR;
10180   int i;
10181
10182   // draw additional "engine" tabulator when using native BD engine
10183   if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
10184     id_last = ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE;
10185
10186   for (i = id_first; i <= id_last; i++)
10187   {
10188     int gadget_id = textbutton_info[i].gadget_id;
10189     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10190     boolean active = (i != edit_mode_levelconfig);
10191
10192     // draw background line below tabulator button
10193     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
10194
10195     // draw solid line below inactive tabulator buttons
10196     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
10197       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
10198                     ED_GADGET_TINY_DISTANCE, tab_color);
10199
10200     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
10201     MapTextbuttonGadget(i);
10202   }
10203
10204   // draw little border line below tabulator buttons
10205   if (tab_color != BLACK_PIXEL)                 // black => transparent
10206     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
10207                   ED_GADGET_TINY_DISTANCE,
10208                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
10209 }
10210
10211 static void DrawPropertiesTabulatorGadgets(void)
10212 {
10213   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
10214   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
10215   int gd_x = gd->x + gd_gi1->border.width / 2;
10216   int gd_y = gd->y + gd_gi1->height - 1;
10217   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
10218   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
10219   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
10220   int i;
10221
10222   // draw two config tabulators for player elements
10223   if (IS_PLAYER_ELEMENT(properties_element))
10224     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
10225
10226   // draw two config and one "change" tabulator for custom elements
10227   if (IS_CUSTOM_ELEMENT(properties_element))
10228     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
10229
10230   for (i = id_first; i <= id_last; i++)
10231   {
10232     int gadget_id = textbutton_info[i].gadget_id;
10233     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10234     boolean active = (i != edit_mode_properties);
10235
10236     // use "config 1" and "config 2" instead of "config" for players and CEs
10237     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
10238         (IS_PLAYER_ELEMENT(properties_element) ||
10239          IS_CUSTOM_ELEMENT(properties_element)))
10240       continue;
10241
10242     // draw background line below tabulator button
10243     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
10244
10245     // draw solid line below inactive tabulator buttons
10246     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
10247       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
10248                     ED_GADGET_TINY_DISTANCE, tab_color);
10249
10250     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
10251     MapTextbuttonGadget(i);
10252   }
10253
10254   // draw little border line below tabulator buttons
10255   if (tab_color != BLACK_PIXEL)                 // black => transparent
10256     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
10257                   ED_GADGET_TINY_DISTANCE,
10258                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
10259 }
10260
10261 static void PrintInfoText(char *text, int font_nr, int xpos, int ypos)
10262 {
10263   DrawText(SX + xpos, SY + ypos, text, font_nr);
10264 }
10265
10266 static int PrintElementDescriptionFromFile(char *filename, int font_nr,
10267                                            int xpos, int ypos)
10268 {
10269   int font_width = getFontWidth(font_nr);
10270   int font_height = getFontHeight(font_nr);
10271   int max_chars_per_line = (SXSIZE - 2 * xpos) / font_width;
10272   int max_lines_drawable = (SYSIZE - ypos) / font_height - 1;
10273
10274   return DrawTextFile(SX + xpos, SY + ypos, filename, font_nr,
10275                       max_chars_per_line, -1, max_lines_drawable, 0, -1,
10276                       TRUE, FALSE, FALSE);
10277 }
10278
10279 static void DrawLevelConfigLevel(void)
10280 {
10281   int i;
10282
10283   // draw counter gadgets
10284   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
10285     MapCounterButtons(i);
10286
10287   // draw checkbutton gadgets
10288   for (i = ED_CHECKBUTTON_ID_LEVEL_FIRST; i<= ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
10289     MapCheckbuttonGadget(i);
10290
10291   // draw selectbox gadgets
10292   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
10293     MapSelectboxGadget(i);
10294
10295   // draw text input gadgets
10296   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
10297     MapTextInputGadget(i);
10298 }
10299
10300 static char *getLevelSubdirFromSaveMode(int save_mode)
10301 {
10302   if (save_mode == LEVELSET_SAVE_MODE_CREATE)
10303     return getNewUserLevelSubdir();
10304
10305   return leveldir_current->subdir;
10306 }
10307
10308 static void DrawLevelConfigLevelSet_DirectoryInfo(void)
10309 {
10310   char *directory_text = "Level set directory:";
10311   char *directory_name = getLevelSubdirFromSaveMode(levelset_save_mode);
10312   int font1_nr = FONT_TEXT_1;
10313   int font2_nr = FONT_TEXT_2;
10314   int font1_height = getFontHeight(font1_nr);
10315   int yoffset_above = font1_height + ED_GADGET_LINE_DISTANCE;
10316   int x = ED_LEVEL_SETTINGS_X(0);
10317   int y = ED_LEVEL_SETTINGS_Y(6);
10318
10319   PrintInfoText(directory_text, font1_nr, x, y - yoffset_above);
10320   PrintInfoText(directory_name, font2_nr, x, y);
10321 }
10322
10323 static void DrawLevelConfigLevelSet(void)
10324 {
10325   boolean artwork_exists = checkIfCustomArtworkExistsForCurrentLevelSet();
10326   boolean template_exists = fileExists(getLocalLevelTemplateFilename());
10327   int i;
10328
10329   // draw counter gadgets
10330   for (i = ED_COUNTER_ID_LEVELSET_FIRST; i <= ED_COUNTER_ID_LEVELSET_LAST; i++)
10331     MapCounterButtons(i);
10332
10333   // draw checkbutton gadgets
10334   for (i = ED_CHECKBUTTON_ID_LEVELSET_FIRST; i <= ED_CHECKBUTTON_ID_LEVELSET_LAST; i++)
10335   {
10336     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE ||
10337         (i == ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK && !artwork_exists) ||
10338         (i == ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE  && !template_exists))
10339       continue;
10340
10341     MapCheckbuttonGadget(i);
10342   }
10343
10344   // draw selectbox gadgets
10345   for (i = ED_SELECTBOX_ID_LEVELSET_FIRST; i <= ED_SELECTBOX_ID_LEVELSET_LAST; i++)
10346     MapSelectboxGadget(i);
10347
10348   // draw text input gadgets
10349   for (i = ED_TEXTINPUT_ID_LEVELSET_FIRST; i <= ED_TEXTINPUT_ID_LEVELSET_LAST; i++)
10350     MapTextInputGadget(i);
10351
10352   // draw textbutton gadgets
10353   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_LEVELSET);
10354
10355   // draw info text
10356   DrawLevelConfigLevelSet_DirectoryInfo();
10357 }
10358
10359 static void DrawLevelConfigEditor(void)
10360 {
10361   int i;
10362
10363   // draw counter gadgets
10364   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
10365     MapCounterButtons(i);
10366
10367   // draw checkbutton gadgets
10368   for (i = ED_CHECKBUTTON_ID_EDITOR_FIRST; i <= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
10369     MapCheckbuttonGadget(i);
10370
10371   // draw radiobutton gadgets
10372   for (i = ED_RADIOBUTTON_ID_EDITOR_FIRST; i <= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
10373     MapRadiobuttonGadget(i);
10374
10375   // draw drawing area
10376   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
10377
10378   // draw textbutton gadgets
10379   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2);
10380 }
10381
10382 static void DrawLevelConfigEngine(void)
10383 {
10384   int i;
10385
10386   // draw counter gadgets
10387   if (level.bd_scheduling_type == GD_SCHEDULING_MILLISECONDS)
10388   {
10389     MapCounterButtons(ED_COUNTER_ID_BD_CYCLE_DELAY_MS);
10390     MapCounterButtons(ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES);
10391   }
10392   else
10393   {
10394     MapCounterButtons(ED_COUNTER_ID_BD_CYCLE_DELAY_C64);
10395     MapCounterButtons(ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS);
10396   }
10397
10398   // draw checkbutton gadgets
10399   for (i = ED_CHECKBUTTON_ID_ENGINE_FIRST; i <= ED_CHECKBUTTON_ID_ENGINE_LAST; i++)
10400     MapCheckbuttonGadget(i);
10401
10402   // draw selectbox gadgets
10403   for (i = ED_SELECTBOX_ID_ENGINE_FIRST; i <= ED_SELECTBOX_ID_ENGINE_LAST; i++)
10404     MapSelectboxGadget(i);
10405 }
10406
10407 static void DrawLevelConfigWindow(void)
10408 {
10409   char *text = "Global Settings";
10410   int font_nr = FONT_TITLE_1;
10411   struct MenuPosInfo *pos = &editor.settings.headline;
10412   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font_nr), pos->align);
10413   int sy = SY + pos->y;
10414
10415   stick_element_properties_window = FALSE;
10416
10417   SetAutomaticNumberOfGemsNeeded();
10418
10419   UnmapLevelEditorFieldGadgets();
10420
10421   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
10422   ClearField();
10423
10424   DrawText(sx, sy, text, font_nr);
10425
10426   DrawLevelConfigTabulatorGadgets();
10427
10428   if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_LEVEL)
10429     DrawLevelConfigLevel();
10430   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_LEVELSET)
10431     DrawLevelConfigLevelSet();
10432   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_EDITOR)
10433     DrawLevelConfigEditor();
10434   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_ENGINE)
10435     DrawLevelConfigEngine();
10436 }
10437
10438 static void DrawCustomContentArea(void)
10439 {
10440   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
10441   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
10442   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
10443   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
10444   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
10445   int xoffset = ED_GADGET_SPACE_DISTANCE;
10446
10447   // add distance for potential left text (without drawing area border)
10448   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
10449
10450   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
10451
10452   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
10453 }
10454
10455 static void DrawCustomChangeContentArea(void)
10456 {
10457   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
10458   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
10459   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
10460   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
10461   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
10462   int xoffset = ED_GADGET_SPACE_DISTANCE;
10463
10464   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
10465
10466   MapDrawingArea(id);
10467 }
10468
10469 static void RemoveElementContentArea(int id, int font_height)
10470 {
10471   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10472
10473   DrawBackground(SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size,
10474                  SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size,
10475                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10476                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size +
10477                  ED_GADGET_TEXT_DISTANCE + font_height);
10478 }
10479
10480 static void DrawYamYamContentAreas(void)
10481 {
10482   int font_nr = FONT_TEXT_1;
10483   int font_height = getFontHeight(font_nr);
10484   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
10485   int yoffset = (tilesize - font_height) / 2;
10486   int x = SX + ED_AREA_YAMYAM_CONTENT_X(3) + 4 * tilesize;
10487   int y = SY + ED_AREA_YAMYAM_CONTENT_Y(3) + yoffset;
10488   int i;
10489
10490   // display counter to choose number of element content areas
10491   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
10492
10493   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
10494   {
10495     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
10496
10497     if (i < level.num_yamyam_contents)
10498     {
10499       MapDrawingArea(id);
10500     }
10501     else
10502     {
10503       UnmapDrawingArea(id);
10504
10505       // delete content areas in case of reducing number of them
10506       RemoveElementContentArea(id, font_height);
10507     }
10508   }
10509
10510   DrawText(x, y + 0 * tilesize, "content", font_nr);
10511   DrawText(x, y + 1 * tilesize, "when",    font_nr);
10512   DrawText(x, y + 2 * tilesize, "smashed", font_nr);
10513 }
10514
10515 static void DrawMagicBallContentAreas(void)
10516 {
10517   int font_nr = FONT_TEXT_1;
10518   int font_height = getFontHeight(font_nr);
10519   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
10520   int yoffset = (tilesize - font_height) / 2;
10521   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_X(3) + 4 * tilesize;
10522   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_Y(3) + yoffset;
10523   int i;
10524
10525   // display counter to choose number of element content areas
10526   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
10527
10528   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
10529   {
10530     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
10531
10532     if (i < level.num_ball_contents)
10533     {
10534       MapDrawingArea(id);
10535     }
10536     else
10537     {
10538       UnmapDrawingArea(id);
10539
10540       // delete content areas in case of reducing number of them
10541       RemoveElementContentArea(id, font_height);
10542     }
10543   }
10544
10545   DrawText(x, y + 0 * tilesize, "generated", font_nr);
10546   DrawText(x, y + 1 * tilesize, "when",      font_nr);
10547   DrawText(x, y + 2 * tilesize, "active",    font_nr);
10548 }
10549
10550 static void DrawAndroidElementArea(void)
10551 {
10552   int id = ED_DRAWING_ID_ANDROID_CONTENT;
10553   int num_elements = level.num_android_clone_elements;
10554   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10555   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
10556   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
10557   int xsize = MAX_ANDROID_ELEMENTS;
10558   int ysize = 1;
10559
10560   // display counter to choose number of element areas
10561   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
10562
10563   if (drawingarea_info[id].text_left != NULL)
10564     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
10565
10566   UnmapDrawingArea(id);
10567
10568   ModifyEditorDrawingArea(id, num_elements, 1);
10569
10570   // delete content areas in case of reducing number of them
10571   DrawBackground(sx, sy,
10572                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10573                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
10574
10575   MapDrawingArea(id);
10576 }
10577
10578 static void DrawGroupElementArea(void)
10579 {
10580   int id = ED_DRAWING_ID_GROUP_CONTENT;
10581   int num_elements = group_element_info.num_elements;
10582   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10583   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
10584   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
10585   int xsize = MAX_ELEMENTS_IN_GROUP;
10586   int ysize = 1;
10587
10588   if (drawingarea_info[id].text_left != NULL)
10589     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
10590
10591   UnmapDrawingArea(id);
10592
10593   ModifyEditorDrawingArea(id, num_elements, 1);
10594
10595   // delete content areas in case of reducing number of them
10596   DrawBackground(sx, sy,
10597                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10598                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
10599
10600   MapDrawingArea(id);
10601 }
10602
10603 static void DrawPlayerInitialInventoryArea(int element)
10604 {
10605   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
10606   int player_nr = GET_PLAYER_NR(element);
10607   int num_elements = level.initial_inventory_size[player_nr];
10608   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10609   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
10610   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
10611   int xsize = MAX_INITIAL_INVENTORY_SIZE;
10612   int ysize = 1;
10613
10614   // determine horizontal position to the right of specified gadget
10615   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
10616     sx = (right_gadget_border[drawingarea_info[id].gadget_id_align] +
10617           ED_DRAWINGAREA_TEXT_DISTANCE);
10618
10619   // determine horizontal offset for leading text
10620   if (drawingarea_info[id].text_left != NULL)
10621     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
10622
10623   UnmapDrawingArea(id);
10624
10625   ModifyEditorDrawingArea(id, num_elements, 1);
10626
10627   // delete content areas in case of reducing number of them
10628   DrawBackground(sx, sy,
10629                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10630                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
10631
10632   MapDrawingArea(id);
10633 }
10634
10635 static void DrawMMBallContentArea(void)
10636 {
10637   int id = ED_DRAWING_ID_MM_BALL_CONTENT;
10638   int num_elements = level.num_mm_ball_contents;
10639   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10640   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
10641   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
10642   int xsize = MAX_MM_BALL_CONTENTS;
10643   int ysize = 1;
10644
10645   if (drawingarea_info[id].text_left != NULL)
10646     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
10647
10648   UnmapDrawingArea(id);
10649
10650   ModifyEditorDrawingArea(id, num_elements, 1);
10651
10652   // delete content areas in case of reducing number of them
10653   DrawBackground(sx, sy,
10654                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10655                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
10656
10657   MapDrawingArea(id);
10658 }
10659
10660 static void DrawEnvelopeTextArea(int envelope_nr)
10661 {
10662   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
10663   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
10664
10665   UnmapGadget(gi);
10666
10667   DrawBackground(gi->x, gi->y,
10668                  gi->textarea.crop_width, gi->textarea.crop_height);
10669
10670   if (envelope_nr != -1)
10671     textarea_info[id].value = level.envelope[envelope_nr].text;
10672
10673   ModifyGadget(gi, GDI_AREA_SIZE,
10674                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
10675                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
10676                GDI_END);
10677
10678   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
10679 }
10680
10681 static void DrawPropertiesInfo(void)
10682 {
10683   static struct
10684   {
10685     int value;
10686     char *text;
10687   }
10688   properties[] =
10689   {
10690     // configurable properties
10691
10692     { EP_WALKABLE_OVER,         "- player can walk over it"             },
10693     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
10694     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
10695     { EP_PASSABLE_OVER,         "- player can pass over it"             },
10696     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
10697     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
10698     { EP_PROTECTED,             "- player is protected by it"           },
10699
10700     { EP_DIGGABLE,              "- can be digged away"                  },
10701     { EP_COLLECTIBLE,           "- can be collected"                    },
10702     { EP_DROPPABLE,             "- can be dropped after collecting"     },
10703     { EP_THROWABLE,             "- can be thrown after collecting"      },
10704     { EP_PUSHABLE,              "- can be pushed"                       },
10705
10706     { EP_CAN_FALL,              "- can fall"                            },
10707     { EP_CAN_MOVE,              "- can move"                            },
10708
10709     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
10710 #if 0
10711     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
10712 #endif
10713     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
10714
10715     { EP_SLIPPERY,              "- slippery for falling elements"       },
10716     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
10717
10718     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
10719     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
10720     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
10721     { EP_DONT_TOUCH,            "- deadly when touching"                },
10722
10723     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
10724
10725     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
10726     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
10727     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
10728
10729     { EP_CAN_CHANGE,            "- can change to other element"         },
10730
10731     // pre-defined properties
10732     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
10733     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
10734     { EP_SWITCHABLE,            "- can be switched"                     },
10735 #if 0
10736     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
10737 #endif
10738
10739     { -1,                       NULL                                    }
10740   };
10741   char *filename = getElementDescriptionFilename(properties_element);
10742   char *num_elements_text = "In this level: ";
10743   char *num_similar_text = "Similar tiles: ";
10744   char *properties_text = "Standard properties: ";
10745   char *description_text = "Description:";
10746   char *no_description_text = "No description available.";
10747   char *none_text = "None";
10748   float percentage;
10749   int num_elements_in_level = 0;
10750   int num_similar_in_level = 0;
10751   int num_hires_tiles_in_level = 0;
10752   int num_standard_properties = 0;
10753   int font1_nr = FONT_TEXT_1;
10754   int font2_nr = FONT_TEXT_2;
10755   int font1_width = getFontWidth(font1_nr);
10756   int font1_height = getFontHeight(font1_nr);
10757   int font2_height = getFontHeight(font2_nr);
10758   int line1_height = font1_height + ED_GADGET_LINE_DISTANCE;
10759   int font2_yoffset = (font1_height - font2_height) / 2;
10760   int num_elements_text_len = strlen(num_elements_text) * font1_width;
10761   int num_similar_text_len = strlen(num_similar_text) * font1_width;
10762   int properties_text_len = strlen(properties_text) * font1_width;
10763   int xpos = ED_ELEMENT_SETTINGS_X(0);
10764   int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
10765   int i, x, y;
10766
10767   if (setup.editor.show_element_token)
10768   {
10769     int font3_nr = FONT_TEXT_3;
10770     int font3_height = getFontHeight(font3_nr);
10771
10772     DrawTextF(xpos, ypos, font3_nr,
10773               "[%s]", element_info[properties_element].token_name);
10774
10775     ypos += 2 * font3_height;
10776   }
10777
10778   // ----- print number of elements / percentage of this element in level
10779
10780   for (y = 0; y < lev_fieldy; y++)
10781   {
10782     for (x = 0; x < lev_fieldx; x++)
10783     {
10784       if (Tile[x][y] == properties_element)
10785       {
10786         num_elements_in_level++;
10787       }
10788       else if (IS_MM_WALL(Tile[x][y]) &&
10789                map_mm_wall_element(Tile[x][y]) == properties_element)
10790       {
10791         num_hires_tiles_in_level += numHiresTiles(Tile[x][y]);
10792       }
10793     }
10794   }
10795
10796   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
10797
10798   DrawTextS(xpos, ypos, font1_nr, num_elements_text);
10799
10800   if (num_hires_tiles_in_level > 0)
10801     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
10802               "%d wall tiles", num_hires_tiles_in_level);
10803   else if (num_elements_in_level > 0)
10804     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
10805               "%d (%.2f %%)", num_elements_in_level, percentage);
10806   else
10807     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
10808               none_text);
10809
10810   // ----- print number of similar elements / percentage of them in level
10811
10812   for (y = 0; y < lev_fieldy; y++)
10813   {
10814     for (x = 0; x < lev_fieldx; x++)
10815     {
10816       if (strEqual(element_info[Tile[x][y]].class_name,
10817                    element_info[properties_element].class_name))
10818       {
10819         num_similar_in_level++;
10820       }
10821     }
10822   }
10823
10824   if (num_similar_in_level != num_elements_in_level)
10825   {
10826     ypos += 1 * MAX(font1_height, font2_height);
10827
10828     percentage = num_similar_in_level * 100.0 / (lev_fieldx * lev_fieldy);
10829
10830     DrawTextS(xpos, ypos, font1_nr, num_similar_text);
10831
10832     if (num_similar_in_level > 0)
10833       DrawTextF(xpos + num_similar_text_len, ypos + font2_yoffset, font2_nr,
10834                 "%d (%.2f %%)", num_similar_in_level, percentage);
10835     else
10836       DrawTextF(xpos + num_similar_text_len, ypos + font2_yoffset, font2_nr,
10837                 none_text);
10838   }
10839
10840   ypos += 2 * MAX(font1_height, font2_height);
10841
10842   // ----- print standard properties of this element
10843
10844   DrawTextS(xpos, ypos, font1_nr, properties_text);
10845
10846   ypos += line1_height;
10847
10848   for (i = 0; properties[i].value != -1; i++)
10849   {
10850     if (!HAS_PROPERTY(properties_element, properties[i].value))
10851       continue;
10852
10853     DrawTextS(xpos, ypos, font2_nr, properties[i].text);
10854
10855     ypos += font2_height;
10856
10857     num_standard_properties++;
10858   }
10859
10860   if (num_standard_properties == 0)
10861   {
10862     DrawTextS(xpos + properties_text_len, ypos - line1_height + font2_yoffset,
10863               font2_nr, none_text);
10864
10865     ypos -= (line1_height - font1_height);
10866   }
10867
10868   ypos += MAX(font1_height, font2_height);
10869
10870   // ----- print special description of this element
10871
10872   PrintInfoText(description_text, font1_nr, xpos, ypos);
10873
10874   ypos += line1_height;
10875
10876   if (PrintElementDescriptionFromFile(filename, font2_nr, xpos, ypos) == 0)
10877     PrintInfoText(no_description_text, font1_nr, xpos, ypos - line1_height);
10878 }
10879
10880 #define TEXT_COLLECTING         "Score for collecting"
10881 #define TEXT_COLLECTING_EXTRA   "Score for extra diamonds"
10882 #define TEXT_SMASHING           "Score for smashing"
10883 #define TEXT_SLURPING           "Score for slurping robot"
10884 #define TEXT_CRACKING           "Score for cracking"
10885 #define TEXT_AMOEBA_SPEED       "Speed of amoeba growth"
10886 #define TEXT_AMOEBA_THRESHOED   "Size for turning to rocks"
10887 #define TEXT_AMOEBA_SLOW_TIME   "Slow growth time (seconds)"
10888 #define TEXT_AMOEBA_SLOW_RATE   "Slow growth rate (percent)"
10889 #define TEXT_AMOEBA_FAST_RATE   "Fast growth rate (percent)"
10890 #define TEXT_DURATION           "Duration when activated"
10891 #define TEXT_DELAY_ON           "Delay before activating"
10892 #define TEXT_DELAY_OFF          "Delay before deactivating"
10893 #define TEXT_DELAY_CHANGING     "Delay before changing"
10894 #define TEXT_DELAY_EXPLODING    "Delay before exploding"
10895 #define TEXT_DELAY_MOVING       "Delay before moving"
10896 #define TEXT_BALL_DELAY         "Element generation delay"
10897 #define TEXT_MOVE_SPEED         "Speed of android moving"
10898 #define TEXT_CLONE_SPEED        "Speed of android cloning"
10899 #define TEXT_GAME_OF_LIFE_1     "Min neighbours to survive"
10900 #define TEXT_GAME_OF_LIFE_2     "Max neighbours to survive"
10901 #define TEXT_GAME_OF_LIFE_3     "Min neighbours to create"
10902 #define TEXT_GAME_OF_LIFE_4     "Max neighbours to create"
10903 #define TEXT_TIME_BONUS         "Extra time to solve level"
10904 #define TEXT_TIME_PENALTY       "Time penalty if destroyed"
10905 #define TEXT_PERMEABILITY_RATE  "slime permeability rate"
10906 #define TEXT_PERMEABILITY_BITS  "slime permeability bits"
10907 #define TEXT_RANDOM_SEED        "slime random number seed"
10908 #define TEXT_ACID_SPREAD_RATE   "Spread rate (percent)"
10909 #define TEXT_BITER_MOVE_DELAY   "Move delay (BD frames)"
10910
10911 static struct
10912 {
10913   int element;
10914   int *value;
10915   char *text;
10916   int min_value;
10917   int max_value;
10918 } elements_with_counter[] =
10919 {
10920   { EL_EMERALD,                 &level.score[SC_EMERALD],               TEXT_COLLECTING         },
10921   { EL_BD_DIAMOND,              &level.score[SC_EMERALD],               TEXT_COLLECTING         },
10922   { EL_BD_DIAMOND,              &level.score[SC_DIAMOND_EXTRA],         TEXT_COLLECTING_EXTRA   },
10923   { EL_EMERALD_YELLOW,          &level.score[SC_EMERALD],               TEXT_COLLECTING         },
10924   { EL_EMERALD_RED,             &level.score[SC_EMERALD],               TEXT_COLLECTING         },
10925   { EL_EMERALD_PURPLE,          &level.score[SC_EMERALD],               TEXT_COLLECTING         },
10926   { EL_SP_INFOTRON,             &level.score[SC_EMERALD],               TEXT_COLLECTING         },
10927   { EL_DIAMOND,                 &level.score[SC_DIAMOND],               TEXT_COLLECTING         },
10928   { EL_CRYSTAL,                 &level.score[SC_CRYSTAL],               TEXT_COLLECTING         },
10929   { EL_PEARL,                   &level.score[SC_PEARL],                 TEXT_COLLECTING         },
10930   { EL_BUG,                     &level.score[SC_BUG],                   TEXT_SMASHING           },
10931   { EL_BUG_RIGHT,               &level.score[SC_BUG],                   TEXT_SMASHING           },
10932   { EL_BUG_UP,                  &level.score[SC_BUG],                   TEXT_SMASHING           },
10933   { EL_BUG_LEFT,                &level.score[SC_BUG],                   TEXT_SMASHING           },
10934   { EL_BUG_DOWN,                &level.score[SC_BUG],                   TEXT_SMASHING           },
10935   { EL_BD_BUTTERFLY,            &level.score[SC_BUG],                   TEXT_SMASHING           },
10936   { EL_BD_BUTTERFLY_RIGHT,      &level.score[SC_BUG],                   TEXT_SMASHING           },
10937   { EL_BD_BUTTERFLY_UP,         &level.score[SC_BUG],                   TEXT_SMASHING           },
10938   { EL_BD_BUTTERFLY_LEFT,       &level.score[SC_BUG],                   TEXT_SMASHING           },
10939   { EL_BD_BUTTERFLY_DOWN,       &level.score[SC_BUG],                   TEXT_SMASHING           },
10940   { EL_SP_ELECTRON,             &level.score[SC_BUG],                   TEXT_SMASHING           },
10941   { EL_SPACESHIP,               &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
10942   { EL_SPACESHIP_RIGHT,         &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
10943   { EL_SPACESHIP_UP,            &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
10944   { EL_SPACESHIP_LEFT,          &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
10945   { EL_SPACESHIP_DOWN,          &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
10946   { EL_BD_FIREFLY,              &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
10947   { EL_BD_FIREFLY_RIGHT,        &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
10948   { EL_BD_FIREFLY_UP,           &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
10949   { EL_BD_FIREFLY_LEFT,         &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
10950   { EL_BD_FIREFLY_DOWN,         &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
10951   { EL_SP_SNIKSNAK,             &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
10952   { EL_YAMYAM,                  &level.score[SC_YAMYAM],                TEXT_SMASHING           },
10953   { EL_YAMYAM_LEFT,             &level.score[SC_YAMYAM],                TEXT_SMASHING           },
10954   { EL_YAMYAM_RIGHT,            &level.score[SC_YAMYAM],                TEXT_SMASHING           },
10955   { EL_YAMYAM_UP,               &level.score[SC_YAMYAM],                TEXT_SMASHING           },
10956   { EL_YAMYAM_DOWN,             &level.score[SC_YAMYAM],                TEXT_SMASHING           },
10957   { EL_DARK_YAMYAM,             &level.score[SC_YAMYAM],                TEXT_SMASHING           },
10958   { EL_ROBOT,                   &level.score[SC_ROBOT],                 TEXT_SMASHING           },
10959   { EL_PACMAN,                  &level.score[SC_PACMAN],                TEXT_SMASHING           },
10960   { EL_PACMAN_RIGHT,            &level.score[SC_PACMAN],                TEXT_SMASHING           },
10961   { EL_PACMAN_UP,               &level.score[SC_PACMAN],                TEXT_SMASHING           },
10962   { EL_PACMAN_LEFT,             &level.score[SC_PACMAN],                TEXT_SMASHING           },
10963   { EL_PACMAN_DOWN,             &level.score[SC_PACMAN],                TEXT_SMASHING           },
10964   { EL_NUT,                     &level.score[SC_NUT],                   TEXT_CRACKING           },
10965   { EL_DYNAMITE,                &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
10966   { EL_EM_DYNAMITE,             &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
10967   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
10968   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
10969   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
10970   { EL_SHIELD_NORMAL,           &level.score[SC_SHIELD],                TEXT_COLLECTING         },
10971   { EL_SHIELD_DEADLY,           &level.score[SC_SHIELD],                TEXT_COLLECTING         },
10972   { EL_EXTRA_TIME,              &level.extra_time_score,                TEXT_COLLECTING         },
10973   { EL_KEY_1,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
10974   { EL_KEY_2,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
10975   { EL_KEY_3,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
10976   { EL_KEY_4,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
10977   { EL_EM_KEY_1,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
10978   { EL_EM_KEY_2,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
10979   { EL_EM_KEY_3,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
10980   { EL_EM_KEY_4,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
10981   { EL_EMC_KEY_5,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
10982   { EL_EMC_KEY_6,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
10983   { EL_EMC_KEY_7,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
10984   { EL_EMC_KEY_8,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
10985   { EL_DC_KEY_WHITE,            &level.score[SC_KEY],                   TEXT_COLLECTING         },
10986   { EL_MM_KETTLE,               &level.score[SC_EMERALD],               TEXT_COLLECTING         },
10987   { EL_DF_CELL,                 &level.score[SC_EMERALD],               TEXT_COLLECTING         },
10988   { EL_MM_KEY,                  &level.score[SC_KEY],                   TEXT_COLLECTING         },
10989   { EL_MM_LIGHTBALL,            &level.score[SC_ELEM_BONUS],            TEXT_COLLECTING         },
10990   { EL_MM_PACMAN,               &level.score[SC_PACMAN],                TEXT_SMASHING           },
10991   { EL_MM_PACMAN_RIGHT,         &level.score[SC_PACMAN],                TEXT_SMASHING           },
10992   { EL_MM_PACMAN_UP,            &level.score[SC_PACMAN],                TEXT_SMASHING           },
10993   { EL_MM_PACMAN_LEFT,          &level.score[SC_PACMAN],                TEXT_SMASHING           },
10994   { EL_MM_PACMAN_DOWN,          &level.score[SC_PACMAN],                TEXT_SMASHING           },
10995   { EL_AMOEBA_WET,              &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
10996   { EL_AMOEBA_DRY,              &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
10997   { EL_AMOEBA_FULL,             &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
10998   { EL_BD_AMOEBA,               &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
10999   { EL_EMC_DRIPPER,             &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11000   { EL_BD_AMOEBA,               &level.bd_amoeba_threshold_too_big,     TEXT_AMOEBA_THRESHOED   },
11001   { EL_BD_AMOEBA,               &level.bd_amoeba_slow_growth_time,      TEXT_AMOEBA_SLOW_TIME   },
11002   { EL_BD_AMOEBA,               &level.bd_amoeba_slow_growth_rate,      TEXT_AMOEBA_SLOW_RATE,
11003                                 0, 100                                                          },
11004   { EL_BD_AMOEBA,               &level.bd_amoeba_fast_growth_rate,      TEXT_AMOEBA_FAST_RATE,
11005                                 0, 100                                                          },
11006   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_threshold_too_big,   TEXT_AMOEBA_THRESHOED   },
11007   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_slow_growth_time,    TEXT_AMOEBA_SLOW_TIME   },
11008   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_slow_growth_rate,    TEXT_AMOEBA_SLOW_RATE,
11009                                 0, 100                                                          },
11010   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_fast_growth_rate,    TEXT_AMOEBA_FAST_RATE,
11011                                 0, 100                                                          },
11012   { EL_MAGIC_WALL,              &level.time_magic_wall,                 TEXT_DURATION           },
11013   { EL_BD_MAGIC_WALL,           &level.time_magic_wall,                 TEXT_DURATION           },
11014   { EL_DC_MAGIC_WALL,           &level.time_magic_wall,                 TEXT_DURATION           },
11015   { EL_ROBOT_WHEEL,             &level.time_wheel,                      TEXT_DURATION           },
11016   { EL_TIMEGATE_SWITCH,         &level.time_timegate,                   TEXT_DURATION           },
11017   { EL_DC_TIMEGATE_SWITCH,      &level.time_timegate,                   TEXT_DURATION           },
11018   { EL_LIGHT_SWITCH,            &level.time_light,                      TEXT_DURATION           },
11019   { EL_LIGHT_SWITCH_ACTIVE,     &level.time_light,                      TEXT_DURATION           },
11020   { EL_SHIELD_NORMAL,           &level.shield_normal_time,              TEXT_DURATION           },
11021   { EL_SHIELD_DEADLY,           &level.shield_deadly_time,              TEXT_DURATION           },
11022   { EL_BD_CLOCK,                &level.bd_clock_extra_time,             TEXT_TIME_BONUS,
11023                                 -100, 100                                                       },
11024   { EL_BD_VOODOO_DOLL,          &level.bd_voodoo_penalty_time,          TEXT_TIME_PENALTY,
11025                                 0, 100                                                          },
11026   { EL_BD_SLIME,                &level.bd_slime_permeability_rate,      TEXT_PERMEABILITY_RATE,
11027                                 0, 100                                                          },
11028   { EL_BD_SLIME,                &level.bd_slime_permeability_bits_c64,  TEXT_PERMEABILITY_BITS,
11029                                 0, 255                                                          },
11030   { EL_BD_SLIME,                &level.bd_slime_random_seed_c64,        TEXT_RANDOM_SEED,
11031                                 -1, 65535                                                       },
11032   { EL_BD_ACID,                 &level.bd_acid_spread_rate,             TEXT_ACID_SPREAD_RATE,
11033                                 0, 100                                                          },
11034   { EL_BD_BITER,                &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11035                                 0, 3                                                            },
11036   { EL_BD_BITER_RIGHT,          &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11037                                 0, 3                                                            },
11038   { EL_BD_BITER_UP,             &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11039                                 0, 3                                                            },
11040   { EL_BD_BITER_LEFT,           &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11041                                 0, 3                                                            },
11042   { EL_BD_BITER_DOWN,           &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11043                                 0, 3                                                            },
11044   { EL_EXTRA_TIME,              &level.extra_time,                      TEXT_TIME_BONUS         },
11045   { EL_TIME_ORB_FULL,           &level.time_orb_time,                   TEXT_TIME_BONUS         },
11046   { EL_GAME_OF_LIFE,            &level.game_of_life[0],                 TEXT_GAME_OF_LIFE_1,0,8 },
11047   { EL_GAME_OF_LIFE,            &level.game_of_life[1],                 TEXT_GAME_OF_LIFE_2,0,8 },
11048   { EL_GAME_OF_LIFE,            &level.game_of_life[2],                 TEXT_GAME_OF_LIFE_3,0,8 },
11049   { EL_GAME_OF_LIFE,            &level.game_of_life[3],                 TEXT_GAME_OF_LIFE_4,0,8 },
11050   { EL_BIOMAZE,                 &level.biomaze[0],                      TEXT_GAME_OF_LIFE_1,0,8 },
11051   { EL_BIOMAZE,                 &level.biomaze[1],                      TEXT_GAME_OF_LIFE_2,0,8 },
11052   { EL_BIOMAZE,                 &level.biomaze[2],                      TEXT_GAME_OF_LIFE_3,0,8 },
11053   { EL_BIOMAZE,                 &level.biomaze[3],                      TEXT_GAME_OF_LIFE_4,0,8 },
11054   { EL_EMC_ANDROID,             &level.android_move_time,               TEXT_MOVE_SPEED         },
11055   { EL_EMC_ANDROID,             &level.android_clone_time,              TEXT_CLONE_SPEED        },
11056   { EL_EMC_MAGIC_BALL,          &level.ball_time,                       TEXT_BALL_DELAY         },
11057   { EL_EMC_LENSES,              &level.lenses_score,                    TEXT_COLLECTING         },
11058   { EL_EMC_MAGNIFIER,           &level.magnify_score,                   TEXT_COLLECTING         },
11059   { EL_SPRING,                  &level.slurp_score,                     TEXT_SLURPING           },
11060   { EL_SPRING_LEFT,             &level.slurp_score,                     TEXT_SLURPING           },
11061   { EL_SPRING_RIGHT,            &level.slurp_score,                     TEXT_SLURPING           },
11062   { EL_EMC_LENSES,              &level.lenses_time,                     TEXT_DURATION           },
11063   { EL_EMC_MAGNIFIER,           &level.magnify_time,                    TEXT_DURATION           },
11064   { EL_MM_FUSE_ACTIVE,          &level.mm_time_fuse,                    TEXT_DELAY_OFF          },
11065   { EL_MM_BOMB,                 &level.mm_time_bomb,                    TEXT_DELAY_EXPLODING    },
11066   { EL_MM_GRAY_BALL,            &level.mm_time_ball,                    TEXT_DELAY_CHANGING     },
11067   { EL_MM_STEEL_BLOCK,          &level.mm_time_block,                   TEXT_DELAY_MOVING       },
11068   { EL_MM_WOODEN_BLOCK,         &level.mm_time_block,                   TEXT_DELAY_MOVING       },
11069
11070   { -1,                         NULL,                                   NULL                    }
11071 };
11072
11073 static boolean checkPropertiesConfig(int element)
11074 {
11075   int i;
11076
11077   // special case: empty space customization only available in R'n'D game engine
11078   if (element == EL_EMPTY_SPACE && level.game_engine_type != GAME_ENGINE_TYPE_RND)
11079     return FALSE;
11080
11081   // special case: BD style rock customization only available in BD game engine
11082   if (element == EL_BD_ROCK && level.game_engine_type != GAME_ENGINE_TYPE_BD)
11083     return FALSE;
11084
11085   if (IS_GEM(element) ||
11086       IS_CUSTOM_ELEMENT(element) ||
11087       IS_GROUP_ELEMENT(element) ||
11088       IS_EMPTY_ELEMENT(element) ||
11089       IS_BALLOON_ELEMENT(element) ||
11090       IS_ENVELOPE(element) ||
11091       IS_MM_ENVELOPE(element) ||
11092       IS_MM_MCDUFFIN(element) ||
11093       IS_DF_LASER(element) ||
11094       IS_PLAYER_ELEMENT(element) ||
11095       IS_BD_PLAYER_ELEMENT(element) ||
11096       IS_BD_EXPANDABLE_WALL(properties_element) ||
11097       IS_SOKOBAN_OBJECT_OR_FIELD(element) ||
11098       HAS_EDITOR_CONTENT(element) ||
11099       CAN_GROW(element) ||
11100       COULD_MOVE_INTO_ACID(element) ||
11101       MAYBE_DONT_COLLIDE_WITH(element) ||
11102       element == EL_BD_ROCK ||
11103       element == EL_BD_MEGA_ROCK ||
11104       element == EL_BD_SWEET ||
11105       element == EL_BD_VOODOO_DOLL)
11106   {
11107     return TRUE;
11108   }
11109   else
11110   {
11111     for (i = 0; elements_with_counter[i].element != -1; i++)
11112       if (elements_with_counter[i].element == element)
11113         return TRUE;
11114   }
11115
11116   return FALSE;
11117 }
11118
11119 static void SetAutomaticNumberOfGemsNeeded(void)
11120 {
11121   int x, y;
11122
11123   if (!level.auto_count_gems)
11124     return;
11125
11126   level.gems_needed = 0;
11127
11128   for (x = 0; x < lev_fieldx; x++)
11129   {
11130     for (y = 0; y < lev_fieldy; y++)
11131     {
11132       int element = Tile[x][y];
11133
11134       switch (element)
11135       {
11136         case EL_EMERALD:
11137         case EL_EMERALD_YELLOW:
11138         case EL_EMERALD_RED:
11139         case EL_EMERALD_PURPLE:
11140         case EL_BD_DIAMOND:
11141         case EL_WALL_EMERALD:
11142         case EL_WALL_EMERALD_YELLOW:
11143         case EL_WALL_EMERALD_RED:
11144         case EL_WALL_EMERALD_PURPLE:
11145         case EL_WALL_BD_DIAMOND:
11146         case EL_NUT:
11147         case EL_SP_INFOTRON:
11148         case EL_MM_KETTLE:
11149         case EL_DF_CELL:
11150           level.gems_needed++;
11151           break;
11152
11153         case EL_DIAMOND:
11154         case EL_WALL_DIAMOND:
11155           level.gems_needed += 3;
11156           break;
11157
11158         case EL_PEARL:
11159         case EL_WALL_PEARL:
11160           level.gems_needed += 5;
11161           break;
11162
11163         case EL_CRYSTAL:
11164         case EL_WALL_CRYSTAL:
11165           level.gems_needed += 8;
11166           break;
11167
11168         default:
11169           break;
11170       }
11171     }
11172   }
11173
11174   ModifyEditorCounterValue(ED_COUNTER_ID_LEVEL_GEMSLIMIT, level.gems_needed);
11175 }
11176
11177 static void DrawPropertiesConfig(void)
11178 {
11179   boolean draw_footer_line = FALSE;
11180   int max_num_element_counters = 4;
11181   int num_element_counters = 0;
11182   int i;
11183
11184   if (!checkPropertiesConfig(properties_element))
11185   {
11186     int xpos = ED_ELEMENT_SETTINGS_X(0);
11187     int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
11188
11189     PrintInfoText("No configuration options available.", FONT_TEXT_1, xpos, ypos);
11190
11191     return;
11192   }
11193
11194   // check if there are elements where a value can be chosen for
11195   for (i = 0; elements_with_counter[i].element != -1; i++)
11196   {
11197     if (elements_with_counter[i].element != properties_element)
11198       continue;
11199
11200     // special case: score for extra diamonds only available in BD game engine
11201     if (elements_with_counter[i].element == EL_BD_DIAMOND &&
11202         elements_with_counter[i].value == &level.score[SC_DIAMOND_EXTRA] &&
11203         level.game_engine_type != GAME_ENGINE_TYPE_BD)
11204       continue;
11205
11206     // special case: some amoeba counters only available in BD game engine
11207     if (elements_with_counter[i].element == EL_BD_AMOEBA &&
11208         elements_with_counter[i].value != &level.amoeba_speed &&
11209         level.game_engine_type != GAME_ENGINE_TYPE_BD)
11210       continue;
11211
11212     // special case: some amoeba counters only available in R'n'D game engine
11213     if (elements_with_counter[i].element == EL_BD_AMOEBA &&
11214         elements_with_counter[i].value == &level.amoeba_speed &&
11215         level.game_engine_type == GAME_ENGINE_TYPE_BD)
11216       continue;
11217
11218     int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
11219
11220     counterbutton_info[counter_id].y =
11221       ED_ELEMENT_SETTINGS_YPOS((HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
11222                                (CAN_GROW(properties_element)                ? 1 : 0) +
11223                                (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
11224                                (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
11225                                (properties_element == EL_BD_VOODOO_DOLL     ? 4 : 0) +
11226                                (properties_element == EL_BD_SLIME           ? 1 : 0) +
11227                                (properties_element == EL_BD_ACID            ? 1 : 0) +
11228                                (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
11229                                num_element_counters);
11230
11231     // special case: set amoeba counters for BD game engine separately
11232     if ((properties_element == EL_BD_AMOEBA && level.game_engine_type == GAME_ENGINE_TYPE_BD) ||
11233         (properties_element == EL_BD_AMOEBA_2))
11234       counterbutton_info[counter_id].y = ED_ELEMENT_SETTINGS_YPOS(3 + num_element_counters);
11235
11236     counterbutton_info[counter_id].value      = elements_with_counter[i].value;
11237     counterbutton_info[counter_id].text_right = elements_with_counter[i].text;
11238     counterbutton_info[counter_id].min_value  = elements_with_counter[i].min_value;
11239     counterbutton_info[counter_id].max_value  = elements_with_counter[i].max_value;
11240
11241     // default: counter values between 0 and 999
11242     if (counterbutton_info[counter_id].max_value == 0)
11243       counterbutton_info[counter_id].max_value = 999;
11244
11245     MapCounterButtons(counter_id);
11246
11247     num_element_counters++;
11248     if (num_element_counters >= max_num_element_counters)
11249       break;
11250   }
11251
11252   if (HAS_EDITOR_CONTENT(properties_element))
11253   {
11254     // draw stickybutton gadget
11255     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11256
11257     if (properties_element == EL_BD_AMOEBA && level.game_engine_type == GAME_ENGINE_TYPE_BD)
11258     {
11259       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING);
11260       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY);
11261
11262       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_CONTENT_TOO_BIG);
11263       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_CONTENT_ENCLOSED);
11264     }
11265     else if (properties_element == EL_BD_AMOEBA_2)
11266     {
11267       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING);
11268       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY);
11269       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA);
11270
11271       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_TOO_BIG);
11272       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_ENCLOSED);
11273       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_EXPLODING);
11274       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE);
11275     }
11276     else if (IS_AMOEBOID(properties_element))
11277       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
11278     else if (properties_element == EL_BD_ACID)
11279     {
11280       MapDrawingArea(ED_DRAWING_ID_BD_ACID_EATS_ELEMENT);
11281       MapDrawingArea(ED_DRAWING_ID_BD_ACID_TURNS_TO_ELEMENT);
11282     }
11283     else if (IS_BD_BITER(properties_element))
11284     {
11285       MapDrawingArea(ED_DRAWING_ID_BD_BITER_EATS_ELEMENT);
11286     }
11287     else if (properties_element == EL_BD_BLADDER)
11288     {
11289       MapDrawingArea(ED_DRAWING_ID_BD_BLADDER_CONVERTS_BY_ELEMENT);
11290     }
11291     else if (properties_element == EL_YAMYAM ||
11292              properties_element == EL_YAMYAM_LEFT ||
11293              properties_element == EL_YAMYAM_RIGHT ||
11294              properties_element == EL_YAMYAM_UP ||
11295              properties_element == EL_YAMYAM_DOWN)
11296       DrawYamYamContentAreas();
11297     else if (properties_element == EL_EMC_MAGIC_BALL)
11298     {
11299       DrawMagicBallContentAreas();
11300
11301       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
11302       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE);
11303     }
11304     else if (properties_element == EL_EMC_ANDROID)
11305       DrawAndroidElementArea();
11306     else if (properties_element == EL_MM_GRAY_BALL)
11307     {
11308       MapCounterButtons(ED_COUNTER_ID_MM_BALL_CONTENT);
11309       MapSelectboxGadget(ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE);
11310       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT);
11311       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EXPLODE_MM_BALL);
11312
11313       DrawMMBallContentArea();
11314     }
11315   }
11316
11317   if (IS_PLAYER_ELEMENT(properties_element))
11318   {
11319     int player_nr = GET_PLAYER_NR(properties_element);
11320
11321     // these properties can be set for every player individually
11322
11323     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
11324     {
11325       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
11326         &level.start_element[player_nr];
11327       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
11328         &level.artwork_element[player_nr];
11329       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
11330         &level.explosion_element[player_nr];
11331
11332       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
11333         &level.use_start_element[player_nr];
11334       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
11335         &level.use_artwork_element[player_nr];
11336       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
11337         &level.use_explosion_element[player_nr];
11338       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
11339         &level.initial_player_gravity[player_nr];
11340
11341       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
11342         &level.initial_player_stepsize[player_nr];
11343
11344       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
11345       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
11346                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
11347                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
11348       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
11349       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
11350       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
11351       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
11352       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_LAZY_RELOCATION);
11353       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
11354       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
11355       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
11356       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
11357       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
11358       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER);
11359
11360       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
11361       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
11362       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
11363
11364       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
11365     }
11366     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
11367     {
11368       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
11369         &level.initial_inventory_content[player_nr][0];
11370
11371       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
11372         &level.initial_inventory_size[player_nr];
11373
11374       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
11375         &level.use_initial_inventory[player_nr];
11376
11377       // draw checkbutton gadgets
11378       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
11379       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT);
11380       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE);
11381
11382       // draw counter gadgets
11383       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
11384
11385       // draw drawing area gadgets
11386       DrawPlayerInitialInventoryArea(properties_element);
11387     }
11388   }
11389
11390   if (IS_BD_PLAYER_ELEMENT(properties_element))
11391   {
11392     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB].y =
11393       ED_ELEMENT_SETTINGS_YPOS(2);
11394     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET].y =
11395       ED_ELEMENT_SETTINGS_YPOS(3);
11396     checkbutton_info[ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET].y =
11397       ED_ELEMENT_SETTINGS_YPOS(4);
11398
11399     // draw checkbutton gadgets
11400     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS);
11401     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_TOPMOST_PLAYER_ACTIVE);
11402     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET);
11403
11404     // draw counter gadgets
11405     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB);
11406     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET);
11407
11408     // draw drawing area gadgets
11409     MapDrawingArea(ED_DRAWING_ID_BD_SNAP_ELEMENT);
11410   }
11411
11412   if (properties_element == EL_BD_ROCK && level.game_engine_type == GAME_ENGINE_TYPE_BD)
11413   {
11414     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB].y =
11415       ED_ELEMENT_SETTINGS_YPOS(0);
11416     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET].y =
11417       ED_ELEMENT_SETTINGS_YPOS(1);
11418
11419     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB);
11420     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET);
11421   }
11422
11423   if (properties_element == EL_BD_MEGA_ROCK ||
11424       properties_element == EL_BD_SWEET)
11425   {
11426     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET].y =
11427       ED_ELEMENT_SETTINGS_YPOS(0);
11428     checkbutton_info[ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET].y =
11429       ED_ELEMENT_SETTINGS_YPOS(1);
11430
11431     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET);
11432     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET);
11433   }
11434
11435   if (properties_element == EL_BD_VOODOO_DOLL)
11436   {
11437     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_COLLECTS_DIAMONDS);
11438     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_HURT_KILLS_PLAYER);
11439     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_DIES_BY_ROCK);
11440     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_VANISH_BY_EXPLOSION);
11441   }
11442
11443   if (properties_element == EL_BD_SLIME)
11444   {
11445     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_SLIME_IS_PREDICTABLE);
11446   }
11447
11448   if (properties_element == EL_BD_MAGIC_WALL)
11449   {
11450     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_MAGIC_WALL_WAIT_HATCHING);
11451     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_MAGIC_WALL_STOPS_AMOEBA);
11452   }
11453
11454   if (IS_BD_EXPANDABLE_WALL(properties_element))
11455   {
11456     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CHANGE_EXPANDING_WALL);
11457   }
11458
11459   // special case: slippery walls option for gems only available in R'n'D game engine
11460   if (IS_GEM(properties_element) && level.game_engine_type == GAME_ENGINE_TYPE_RND)
11461     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
11462
11463   if (properties_element == EL_EM_DYNAMITE)
11464     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
11465
11466   if (COULD_MOVE_INTO_ACID(properties_element) &&
11467       !IS_PLAYER_ELEMENT(properties_element) &&
11468       (!IS_CUSTOM_ELEMENT(properties_element) ||
11469        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
11470   {
11471     // set position for checkbutton for "can move into acid"
11472     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
11473       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
11474     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
11475       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 7 :
11476                                IS_BALLOON_ELEMENT(properties_element) ||
11477                                HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
11478
11479     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
11480   }
11481
11482   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
11483     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
11484
11485   if (properties_element == EL_SPRING ||
11486       properties_element == EL_SPRING_LEFT ||
11487       properties_element == EL_SPRING_RIGHT)
11488     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
11489
11490   if (properties_element == EL_TIME_ORB_FULL)
11491     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
11492
11493   if (properties_element == EL_GAME_OF_LIFE ||
11494       properties_element == EL_BIOMAZE)
11495     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_LIFE_BUGS);
11496
11497   if (CAN_GROW(properties_element) && level.game_engine_type != GAME_ENGINE_TYPE_BD)
11498   {
11499     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
11500       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
11501
11502     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
11503   }
11504
11505   if (properties_element == EL_SOKOBAN_FIELD_EMPTY)
11506     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED);
11507
11508   if (properties_element == EL_SOKOBAN_OBJECT)
11509     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED);
11510
11511   if (properties_element == EL_SOKOBAN_OBJECT ||
11512       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
11513       properties_element == EL_SOKOBAN_FIELD_FULL)
11514   {
11515     checkbutton_info[ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN].y =
11516       ED_ELEMENT_SETTINGS_XPOS(properties_element == EL_SOKOBAN_FIELD_FULL ?
11517                                0 : 1);
11518
11519     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
11520   }
11521
11522   if (IS_BALLOON_ELEMENT(properties_element))
11523     MapSelectboxGadget(ED_SELECTBOX_ID_WIND_DIRECTION);
11524
11525   if (IS_ENVELOPE(properties_element) ||
11526       IS_MM_ENVELOPE(properties_element))
11527   {
11528     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
11529     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
11530     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
11531     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
11532     int envelope_nr = ENVELOPE_NR(properties_element);
11533
11534     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
11535     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
11536
11537     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
11538     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
11539
11540     // display counter to choose size of envelope text area
11541     MapCounterButtons(counter1_id);
11542     MapCounterButtons(counter2_id);
11543
11544     // display checkbuttons to choose auto-wrap and alignment properties
11545     MapCheckbuttonGadget(button1_id);
11546     MapCheckbuttonGadget(button2_id);
11547
11548     DrawEnvelopeTextArea(envelope_nr);
11549   }
11550
11551   if (IS_MM_MCDUFFIN(properties_element))
11552   {
11553     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_RED);
11554     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_GREEN);
11555     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_BLUE);
11556   }
11557
11558   if (IS_DF_LASER(properties_element))
11559   {
11560     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_RED);
11561     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_GREEN);
11562     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_BLUE);
11563   }
11564
11565   if (IS_CUSTOM_ELEMENT(properties_element))
11566   {
11567     // draw stickybutton gadget
11568     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11569
11570     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
11571     {
11572       // draw checkbutton gadgets
11573       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
11574            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
11575         MapCheckbuttonGadget(i);
11576
11577       // draw counter gadgets
11578       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
11579            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
11580         MapCounterButtons(i);
11581
11582       // draw selectbox gadgets
11583       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
11584            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
11585         MapSelectboxGadget(i);
11586
11587       // draw textbutton gadgets
11588       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
11589
11590       // draw text input gadgets
11591       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
11592
11593       // draw drawing area gadgets
11594       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
11595
11596       draw_footer_line = TRUE;
11597     }
11598     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
11599     {
11600       // draw checkbutton gadgets
11601       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
11602            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
11603         MapCheckbuttonGadget(i);
11604
11605       // draw counter gadgets
11606       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
11607            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
11608         MapCounterButtons(i);
11609
11610       // draw selectbox gadgets
11611       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
11612            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
11613         MapSelectboxGadget(i);
11614
11615       // draw drawing area gadgets
11616       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
11617       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
11618       DrawCustomContentArea();
11619     }
11620   }
11621   else if (IS_GROUP_ELEMENT(properties_element))
11622   {
11623     // draw stickybutton gadget
11624     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11625
11626     // draw checkbutton gadgets
11627     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
11628     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
11629
11630     // draw counter gadgets
11631     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
11632
11633     // draw selectbox gadgets
11634     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
11635
11636     // draw textbutton gadgets
11637     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
11638
11639     // draw drawing area gadgets
11640     DrawGroupElementArea();
11641
11642     // draw text input gadgets
11643     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
11644
11645     // draw drawing area gadgets
11646     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
11647
11648     draw_footer_line = TRUE;
11649   }
11650   else if (IS_EMPTY_ELEMENT(properties_element))
11651   {
11652     // draw stickybutton gadget
11653     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11654
11655     // draw checkbutton gadgets
11656     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
11657     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
11658
11659     // draw textbutton gadgets
11660     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
11661
11662     // draw drawing area gadgets
11663     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
11664
11665     draw_footer_line = TRUE;
11666   }
11667
11668   // draw little footer border line above CE/GE use/save template gadgets
11669   if (draw_footer_line)
11670   {
11671     struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
11672     struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
11673     int gd_x = gd->x + gd_gi1->border.width / 2;
11674     int gd_y = gd->y + gd_gi1->height - 1;
11675     Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
11676
11677     if (tab_color != BLACK_PIXEL)               // black => transparent
11678       FillRectangle(drawto,
11679                     SX + ED_ELEMENT_SETTINGS_X(0),
11680                     SY + ED_ELEMENT_SETTINGS_Y(14) - ED_SETTINGS_TABS_YOFFSET -
11681                     ED_TAB_BAR_HEIGHT,
11682                     getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
11683   }
11684 }
11685
11686 static void DrawPropertiesChangeDrawingAreas(void)
11687 {
11688   if (IS_CUSTOM_ELEMENT(properties_element))
11689   {
11690     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
11691     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
11692     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
11693
11694     DrawCustomChangeContentArea();
11695   }
11696
11697   redraw_mask |= REDRAW_FIELD;
11698 }
11699
11700 static void DrawPropertiesChange(void)
11701 {
11702   int i;
11703
11704   // needed to initially set selectbox options for special action options
11705   setSelectboxSpecialActionOptions();
11706
11707   // draw stickybutton gadget
11708   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11709
11710   // draw checkbutton gadgets
11711   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
11712        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
11713     MapCheckbuttonGadget(i);
11714
11715   // draw counter gadgets
11716   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
11717        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
11718     MapCounterButtons(i);
11719
11720   // draw selectbox gadgets
11721   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
11722        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
11723     MapSelectboxGadget(i);
11724
11725   // draw textbutton gadgets
11726   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
11727        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
11728     MapTextbuttonGadget(i);
11729
11730   // draw graphicbutton gadgets
11731   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
11732        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
11733     MapGraphicbuttonGadget(i);
11734
11735   // draw drawing area gadgets
11736   DrawPropertiesChangeDrawingAreas();
11737 }
11738
11739 static void DrawEditorElementAnimation(int x, int y)
11740 {
11741   int graphic = el2img(properties_element);
11742   int frame = (ANIM_MODE(graphic) == ANIM_CE_VALUE ?
11743                custom_element.ce_value_fixed_initial :
11744                ANIM_MODE(graphic) == ANIM_CE_SCORE ?
11745                custom_element.collect_score_initial : FrameCounter);
11746
11747   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
11748 }
11749
11750 static void DrawEditorElementName(int x, int y, int font_nr)
11751 {
11752   char *element_name = getElementInfoText(properties_element);
11753   int font_width = getFontWidth(font_nr);
11754   int font_height = getFontHeight(font_nr);
11755   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_X(0);
11756   int max_chars_per_line = max_text_width / font_width;
11757
11758   if (strlen(element_name) <= max_chars_per_line)
11759     DrawTextS(x, y, font_nr, element_name);
11760   else
11761   {
11762     char buffer[max_chars_per_line + 1];
11763     int next_pos = max_chars_per_line;
11764
11765     strncpy(buffer, element_name, max_chars_per_line);
11766     buffer[max_chars_per_line] = '\0';
11767
11768     if (element_name[max_chars_per_line] == ' ')
11769       next_pos++;
11770     else
11771     {
11772       int i;
11773
11774       for (i = max_chars_per_line - 1; i >= 0; i--)
11775         if (buffer[i] == ' ')
11776           break;
11777
11778       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
11779       {
11780         buffer[i] = '\0';
11781         next_pos = i + 1;
11782       }
11783     }
11784
11785     DrawTextS(x, y - font_height / 2, font_nr, buffer);
11786
11787     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
11788     buffer[max_chars_per_line] = '\0';
11789
11790     DrawTextS(x, y + font_height / 2, font_nr, buffer);
11791   }
11792 }
11793
11794 static void DrawPropertiesWindow(void)
11795 {
11796   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
11797   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
11798   int border_size = gd->border_size;
11799   int font_nr = FONT_TEXT_1;
11800   int font_height = getFontHeight(font_nr);
11801   int xoffset = TILEX + element_border + 3 * border_size;
11802   int yoffset = (TILEY - font_height) / 2;
11803   int x1 = editor.settings.element_graphic.x + element_border;
11804   int y1 = editor.settings.element_graphic.y + element_border;
11805   int x2 = (editor.settings.element_name.x == -1 ? x1 + xoffset :
11806             editor.settings.element_name.x);
11807   int y2 = (editor.settings.element_name.y == -1 ? y1 + yoffset :
11808             editor.settings.element_name.y);
11809   char *text = "Element Settings";
11810   int font2_nr = FONT_TITLE_1;
11811   struct MenuPosInfo *pos = &editor.settings.headline;
11812   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font2_nr), pos->align);
11813   int sy = SY + pos->y;
11814
11815   stick_element_properties_window = FALSE;
11816
11817   // make sure that previous properties edit mode exists for this element
11818   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
11819       !IS_CUSTOM_ELEMENT(properties_element))
11820     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
11821
11822   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
11823       !IS_PLAYER_ELEMENT(properties_element) &&
11824       !IS_CUSTOM_ELEMENT(properties_element))
11825     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
11826
11827   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
11828       (IS_PLAYER_ELEMENT(properties_element) ||
11829        IS_CUSTOM_ELEMENT(properties_element)))
11830     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
11831
11832   CopyElementPropertiesToEditor(properties_element);
11833
11834   UnmapLevelEditorFieldGadgets();
11835   UnmapLevelEditorToolboxDrawingGadgets();
11836   UnmapLevelEditorToolboxCustomGadgets();
11837
11838   MapLevelEditorToolboxCustomGadgetsIfNeeded();
11839
11840   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
11841   ClearField();
11842
11843   DrawText(sx, sy, text, font2_nr);
11844
11845   FrameCounter = 0;     // restart animation frame counter
11846
11847   DrawElementBorder(SX + x1, SY + y1, TILEX, TILEY, FALSE);
11848   DrawEditorElementAnimation(SX + x1, SY + y1);
11849   DrawEditorElementName(x2, y2, font_nr);
11850
11851   DrawPropertiesTabulatorGadgets();
11852
11853   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
11854     DrawPropertiesInfo();
11855   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
11856     DrawPropertiesChange();
11857   else  // (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2])
11858     DrawPropertiesConfig();
11859 }
11860
11861 static void DrawPaletteWindow(void)
11862 {
11863   int i;
11864
11865   UnmapLevelEditorFieldGadgets();
11866
11867   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
11868   ClearField();
11869
11870   // map buttons to select elements
11871   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
11872     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
11873   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
11874   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
11875   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
11876 }
11877
11878 static void UpdateCustomElementGraphicGadgets(void)
11879 {
11880   int i;
11881
11882   InitElementPropertiesGfxElement();
11883
11884   ModifyEditorElementList();
11885   RedrawDrawingElements();
11886
11887   // force redraw of all mapped drawing area gadgets
11888   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
11889   {
11890     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
11891
11892     if (gi->mapped)
11893       MapDrawingArea(i);
11894   }
11895 }
11896
11897 static int getOpenDirectionFromTube(int element)
11898 {
11899   switch (element)
11900   {
11901     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
11902     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
11903     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
11904     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
11905     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
11906     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
11907     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
11908     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
11909     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
11910     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
11911     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
11912   }
11913
11914   return MV_NONE;
11915 }
11916
11917 static int getTubeFromOpenDirection(int direction)
11918 {
11919   switch (direction)
11920   {
11921     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
11922     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
11923     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
11924     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
11925     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
11926     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
11927     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
11928     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
11929     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
11930     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
11931     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
11932
11933     // if only one direction, fall back to simple tube with that direction
11934     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
11935     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
11936     case (MV_UP):                       return EL_TUBE_VERTICAL;
11937     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
11938   }
11939
11940   return EL_EMPTY;
11941 }
11942
11943 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
11944 {
11945   int element_new = getTubeFromOpenDirection(direction);
11946
11947   return (element_new != EL_EMPTY ? element_new : element_old);
11948 }
11949
11950 static int getOpenDirectionFromBelt(int element)
11951 {
11952   int belt_dir = getBeltDirFromBeltElement(element);
11953
11954   return (belt_dir == MV_LEFT ? MV_RIGHT :
11955           belt_dir == MV_RIGHT ? MV_LEFT :
11956           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
11957 }
11958
11959 static int getBeltFromNrAndOpenDirection(int nr, int direction)
11960 {
11961   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
11962                   direction == MV_RIGHT ? MV_LEFT :
11963                   direction == MV_HORIZONTAL ? MV_NONE : direction);
11964
11965   if (direction == MV_NONE)
11966     return EL_EMPTY;
11967
11968   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
11969 }
11970
11971 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
11972                                                  int element_old)
11973 {
11974   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
11975
11976   return (element_new != EL_EMPTY ? element_new : element_old);
11977 }
11978
11979 static int getOpenDirectionFromPool(int element)
11980 {
11981   switch (element)
11982   {
11983     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
11984     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
11985     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
11986     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
11987     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
11988     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
11989   }
11990
11991   return MV_NONE;
11992 }
11993
11994 static int getPoolFromOpenDirection(int direction)
11995 {
11996   switch (direction)
11997   {
11998     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
11999     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
12000     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
12001     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
12002     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
12003     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
12004   }
12005
12006   return EL_EMPTY;
12007 }
12008
12009 static int getPoolFromOpenDirectionExt(int direction, int help_element)
12010 {
12011   int element = getPoolFromOpenDirection(direction);
12012   int help_direction = getOpenDirectionFromPool(help_element);
12013
12014   if (element == EL_EMPTY)
12015   {
12016     int help_direction_vertical = help_direction & MV_VERTICAL;
12017
12018     element = getPoolFromOpenDirection(direction | help_direction_vertical);
12019   }
12020
12021   if (element == EL_EMPTY)
12022   {
12023     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
12024
12025     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
12026   }
12027
12028   return element;
12029 }
12030
12031 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
12032 {
12033   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
12034
12035   return (element_new != EL_EMPTY ? element_new : element_old);
12036 }
12037
12038 static int getOpenDirectionFromPillar(int element)
12039 {
12040   switch (element)
12041   {
12042     case EL_EMC_WALL_1:                 return (MV_DOWN);
12043     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
12044     case EL_EMC_WALL_3:                 return (MV_UP);
12045   }
12046
12047   return MV_NONE;
12048 }
12049
12050 static int getPillarFromOpenDirection(int direction)
12051 {
12052   switch (direction)
12053   {
12054     case (MV_DOWN):                     return EL_EMC_WALL_1;
12055     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
12056     case (MV_UP):                       return EL_EMC_WALL_3;
12057   }
12058
12059   return EL_EMPTY;
12060 }
12061
12062 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
12063 {
12064   int element_new = getPillarFromOpenDirection(direction);
12065
12066   return (element_new != EL_EMPTY ? element_new : element_old);
12067 }
12068
12069 static int getOpenDirectionFromSteel2(int element)
12070 {
12071   switch (element)
12072   {
12073     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
12074     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
12075     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
12076     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
12077     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
12078     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
12079     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
12080     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
12081   }
12082
12083   return MV_NONE;
12084 }
12085
12086 static int getSteel2FromOpenDirection(int direction)
12087 {
12088   switch (direction)
12089   {
12090     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
12091     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
12092     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
12093     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
12094     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
12095     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
12096     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
12097     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
12098   }
12099
12100   return EL_EMPTY;
12101 }
12102
12103 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
12104 {
12105   int element_new = getSteel2FromOpenDirection(direction);
12106
12107   return (element_new != EL_EMPTY ? element_new : element_old);
12108 }
12109
12110 static int getOpenDirectionFromChip(int element)
12111 {
12112   switch (element)
12113   {
12114     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
12115     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
12116     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
12117     case EL_SP_CHIP_TOP:                return (MV_DOWN);
12118     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
12119   }
12120
12121   return MV_NONE;
12122 }
12123
12124 static int getChipFromOpenDirection(int direction)
12125 {
12126   switch (direction)
12127   {
12128     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
12129     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
12130     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
12131     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
12132     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
12133   }
12134
12135   return EL_EMPTY;
12136 }
12137
12138 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
12139 {
12140   int element_new = getChipFromOpenDirection(direction);
12141
12142   return (element_new != EL_EMPTY ? element_new : element_old);
12143 }
12144
12145 static int getClosedTube(int x, int y)
12146 {
12147   struct XY *xy = xy_directions;
12148   int element_old = IntelliDrawBuffer[x][y];
12149   int direction_old = getOpenDirectionFromTube(element_old);
12150   int direction_new = MV_NONE;
12151   int i;
12152
12153   for (i = 0; i < NUM_DIRECTIONS; i++)
12154   {
12155     int xx = x + xy[i].x;
12156     int yy = y + xy[i].y;
12157     int dir = MV_DIR_FROM_BIT(i);
12158     int dir_opposite = MV_DIR_OPPOSITE(dir);
12159
12160     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
12161         (direction_old & dir) &&
12162         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12163       direction_new |= dir;
12164   }
12165
12166   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
12167 }
12168
12169 static int getClosedBelt(int x, int y)
12170 {
12171   struct XY *xy = xy_directions;
12172   int element_old = IntelliDrawBuffer[x][y];
12173   int nr = getBeltNrFromBeltElement(element_old);
12174   int direction_old = getOpenDirectionFromBelt(element_old);
12175   int direction_new = MV_NONE;
12176   int i;
12177
12178   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
12179   {
12180     int xx = x + xy[i].x;
12181     int yy = y + xy[i].y;
12182     int dir = MV_DIR_FROM_BIT(i);
12183     int dir_opposite = MV_DIR_OPPOSITE(dir);
12184
12185     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
12186         (direction_old & dir) &&
12187         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12188       direction_new |= dir;
12189   }
12190
12191   return getBeltFromNrAndOpenDirection(nr, direction_new);
12192 }
12193
12194 static int getClosedPool(int x, int y)
12195 {
12196   struct XY *xy = xy_directions;
12197   int element_old = IntelliDrawBuffer[x][y];
12198   int direction_old = getOpenDirectionFromPool(element_old);
12199   int direction_new = MV_NONE;
12200   int i;
12201
12202   for (i = 0; i < NUM_DIRECTIONS; i++)
12203   {
12204     int xx = x + xy[i].x;
12205     int yy = y + xy[i].y;
12206     int dir = MV_DIR_FROM_BIT(i);
12207     int dir_opposite = MV_DIR_OPPOSITE(dir);
12208
12209     if (IN_LEV_FIELD(xx, yy) &&
12210         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
12211         (direction_old & dir) &&
12212         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12213       direction_new |= dir;
12214   }
12215
12216   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
12217 }
12218
12219 static int getClosedPillar(int x, int y)
12220 {
12221   struct XY *xy = xy_directions;
12222   int element_old = IntelliDrawBuffer[x][y];
12223   int direction_old = getOpenDirectionFromPillar(element_old);
12224   int direction_new = MV_NONE;
12225   int i;
12226
12227   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
12228   {
12229     int xx = x + xy[i].x;
12230     int yy = y + xy[i].y;
12231     int dir = MV_DIR_FROM_BIT(i);
12232     int dir_opposite = MV_DIR_OPPOSITE(dir);
12233
12234     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
12235         (direction_old & dir) &&
12236         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12237       direction_new |= dir;
12238   }
12239
12240   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
12241 }
12242
12243 static int getClosedSteel2(int x, int y)
12244 {
12245   struct XY *xy = xy_directions;
12246   int element_old = IntelliDrawBuffer[x][y];
12247   int direction_old = getOpenDirectionFromSteel2(element_old);
12248   int direction_new = MV_NONE;
12249   int i;
12250
12251   for (i = 0; i < NUM_DIRECTIONS; i++)
12252   {
12253     int xx = x + xy[i].x;
12254     int yy = y + xy[i].y;
12255     int dir = MV_DIR_FROM_BIT(i);
12256     int dir_opposite = MV_DIR_OPPOSITE(dir);
12257
12258     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
12259         (direction_old & dir) &&
12260         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12261       direction_new |= dir;
12262   }
12263
12264   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
12265 }
12266
12267 static int getClosedChip(int x, int y)
12268 {
12269   struct XY *xy = xy_directions;
12270   int element_old = IntelliDrawBuffer[x][y];
12271   int direction_old = getOpenDirectionFromChip(element_old);
12272   int direction_new = MV_NONE;
12273   int i;
12274
12275   for (i = 0; i < NUM_DIRECTIONS; i++)
12276   {
12277     int xx = x + xy[i].x;
12278     int yy = y + xy[i].y;
12279     int dir = MV_DIR_FROM_BIT(i);
12280     int dir_opposite = MV_DIR_OPPOSITE(dir);
12281
12282     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
12283         (direction_old & dir) &&
12284         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12285       direction_new |= dir;
12286   }
12287
12288   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
12289 }
12290
12291 static void SetElementSimpleExt(int x, int y, int dx, int dy, int element,
12292                                 boolean change_level)
12293 {
12294   int sx = x - level_xpos;
12295   int sy = y - level_ypos;
12296   int old_element = Tile[x][y];
12297   int new_element = element;
12298   unsigned int new_bitmask = (getDrawModeHiRes() ? (dx + 1) << (dy * 2) : 0x0f);
12299   boolean draw_masked = FALSE;
12300
12301   if (IS_MM_WALL_EDITOR(element))
12302   {
12303     element = map_mm_wall_element_editor(element) | new_bitmask;
12304
12305     if (IS_MM_WALL(old_element))
12306       element |= MM_WALL_BITS(old_element);
12307
12308     if (!change_level)
12309       draw_masked = TRUE;
12310   }
12311   else if (IS_MM_WALL(old_element) && element == EL_EMPTY)
12312   {
12313     int element_changed = old_element & ~new_bitmask;
12314
12315     if (MM_WALL_BITS(element_changed) != 0)
12316       element = element_changed;
12317   }
12318
12319   IntelliDrawBuffer[x][y] = element;
12320
12321   if (change_level)
12322     Tile[x][y] = element;
12323
12324   if (IN_ED_FIELD(sx, sy))
12325   {
12326     if (IS_MM_WALL(old_element) && new_element == EL_EMPTY)
12327       DrawSizedWallParts_MM(sx, sy, EL_EMPTY, ed_tilesize, FALSE, new_bitmask);
12328     else if (draw_masked)
12329       DrawEditorElementThruMask(sx, sy, element);
12330     else
12331       DrawEditorElement(sx, sy, element);
12332   }
12333 }
12334
12335 static void SetElementSimple(int x, int y, int element, boolean change_level)
12336 {
12337   SetElementSimpleExt(x, y, 0, 0, element, change_level);
12338 }
12339
12340 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
12341                                            int x2, int y2, int *element2,
12342                                            int (*close_function)(int, int),
12343                                            boolean change_level)
12344 {
12345   // set neighbour elements to newly determined connections
12346   SetElementSimple(x1, y1, *element1, change_level);
12347   SetElementSimple(x2, y2, *element2, change_level);
12348
12349   // remove all open connections of neighbour elements
12350   *element1 = close_function(x1, y1);
12351   *element2 = close_function(x2, y2);
12352
12353   // set neighbour elements to new, minimized connections
12354   SetElementSimple(x1, y1, *element1, change_level);
12355   SetElementSimple(x2, y2, *element2, change_level);
12356 }
12357
12358 static void SetElementIntelliDraw(int x, int y, int dx, int dy, int new_element,
12359                                   boolean change_level, int button)
12360 {
12361   struct XY *xy = xy_directions;
12362   static int last_x = -1;
12363   static int last_y = -1;
12364
12365   if (new_element == EL_UNDEFINED)
12366   {
12367     last_x = -1;
12368     last_y = -1;
12369
12370     return;
12371   }
12372
12373   int old_element = IntelliDrawBuffer[x][y];
12374
12375   if (IS_TUBE(new_element))
12376   {
12377     int last_element_new = EL_UNDEFINED;
12378     int direction = MV_NONE;
12379     int i;
12380
12381     // if old element is of same kind, keep all existing directions
12382     if (IS_TUBE(old_element))
12383       direction |= getOpenDirectionFromTube(old_element);
12384
12385     for (i = 0; i < NUM_DIRECTIONS; i++)
12386     {
12387       int xx = x + xy[i].x;
12388       int yy = y + xy[i].y;
12389
12390       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12391           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
12392       {
12393         int dir = MV_DIR_FROM_BIT(i);
12394         int dir_opposite = MV_DIR_OPPOSITE(dir);
12395         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12396         int last_direction_old = getOpenDirectionFromTube(last_element_old);
12397         int last_direction_new = last_direction_old | dir_opposite;
12398
12399         last_element_new = getTubeFromOpenDirection(last_direction_new);
12400
12401         direction |= dir;
12402       }
12403     }
12404
12405     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
12406
12407     if (last_element_new != EL_UNDEFINED)
12408       MergeAndCloseNeighbourElements(x, y, &new_element,
12409                                      last_x, last_y, &last_element_new,
12410                                      getClosedTube, change_level);
12411   }
12412   else if (IS_BELT(new_element))
12413   {
12414     int belt_nr = getBeltNrFromBeltElement(new_element);
12415     int last_element_new = EL_UNDEFINED;
12416     int direction = MV_NONE;
12417     int i;
12418
12419     // if old element is of same kind, keep all existing directions
12420     if (IS_BELT(old_element))
12421       direction |= getOpenDirectionFromBelt(old_element);
12422
12423     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
12424     {
12425       int xx = x + xy[i].x;
12426       int yy = y + xy[i].y;
12427
12428       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12429           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
12430       {
12431         int dir = MV_DIR_FROM_BIT(i);
12432         int dir_opposite = MV_DIR_OPPOSITE(dir);
12433         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12434         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
12435         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
12436         int last_direction_new = last_direction_old | dir_opposite;
12437
12438         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
12439                                                          last_direction_new);
12440         direction |= dir;
12441       }
12442     }
12443
12444     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
12445                                                         new_element);
12446     if (last_element_new != EL_UNDEFINED)
12447       MergeAndCloseNeighbourElements(x, y, &new_element,
12448                                      last_x, last_y, &last_element_new,
12449                                      getClosedBelt, change_level);
12450   }
12451   else if (IS_ACID_POOL_OR_ACID(new_element))
12452   {
12453     int last_element_new = EL_UNDEFINED;
12454     int direction = MV_NONE;
12455     int i;
12456
12457     // if old element is of same kind, keep all existing directions
12458     if (IS_ACID_POOL_OR_ACID(old_element))
12459       direction |= getOpenDirectionFromPool(old_element);
12460
12461     for (i = 0; i < NUM_DIRECTIONS; i++)
12462     {
12463       int xx = x + xy[i].x;
12464       int yy = y + xy[i].y;
12465
12466       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12467           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
12468       {
12469         int dir = MV_DIR_FROM_BIT(i);
12470         int dir_opposite = MV_DIR_OPPOSITE(dir);
12471         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12472         int last_direction_old = getOpenDirectionFromPool(last_element_old);
12473         int last_direction_new = last_direction_old | dir_opposite;
12474
12475         last_element_new = getPoolFromOpenDirection(last_direction_new);
12476
12477         direction |= dir;
12478       }
12479     }
12480
12481     // special corrections needed for intuitively correct acid pool drawing
12482     if (last_element_new == EL_EMPTY)
12483       last_element_new = new_element;
12484     else if (last_element_new != EL_UNDEFINED)
12485       new_element = last_element_new;
12486
12487     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
12488
12489     if (last_element_new != EL_UNDEFINED)
12490       MergeAndCloseNeighbourElements(x, y, &new_element,
12491                                      last_x, last_y, &last_element_new,
12492                                      getClosedPool, change_level);
12493   }
12494   else if (IS_EMC_PILLAR(new_element))
12495   {
12496     int last_element_new = EL_UNDEFINED;
12497     int direction = MV_NONE;
12498     int i;
12499
12500     // if old element is of same kind, keep all existing directions
12501     if (IS_EMC_PILLAR(old_element))
12502       direction |= getOpenDirectionFromPillar(old_element);
12503
12504     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
12505     {
12506       int xx = x + xy[i].x;
12507       int yy = y + xy[i].y;
12508
12509       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12510           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
12511       {
12512         int dir = MV_DIR_FROM_BIT(i);
12513         int dir_opposite = MV_DIR_OPPOSITE(dir);
12514         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12515         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
12516         int last_direction_new = last_direction_old | dir_opposite;
12517
12518         last_element_new = getPillarFromOpenDirection(last_direction_new);
12519
12520         direction |= dir;
12521       }
12522     }
12523
12524     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
12525
12526     if (last_element_new != EL_UNDEFINED)
12527       MergeAndCloseNeighbourElements(x, y, &new_element,
12528                                      last_x, last_y, &last_element_new,
12529                                      getClosedPillar, change_level);
12530   }
12531   else if (IS_DC_STEELWALL_2(new_element))
12532   {
12533     int last_element_new = EL_UNDEFINED;
12534     int direction = MV_NONE;
12535     int i;
12536
12537     // if old element is of same kind, keep all existing directions
12538     if (IS_DC_STEELWALL_2(old_element))
12539       direction |= getOpenDirectionFromSteel2(old_element);
12540
12541     for (i = 0; i < NUM_DIRECTIONS; i++)
12542     {
12543       int xx = x + xy[i].x;
12544       int yy = y + xy[i].y;
12545
12546       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12547           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
12548       {
12549         int dir = MV_DIR_FROM_BIT(i);
12550         int dir_opposite = MV_DIR_OPPOSITE(dir);
12551         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12552         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
12553         int last_direction_new = last_direction_old | dir_opposite;
12554
12555         last_element_new = getSteel2FromOpenDirection(last_direction_new);
12556
12557         direction |= dir;
12558       }
12559     }
12560
12561     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
12562
12563     if (last_element_new != EL_UNDEFINED)
12564       MergeAndCloseNeighbourElements(x, y, &new_element,
12565                                      last_x, last_y, &last_element_new,
12566                                      getClosedSteel2, change_level);
12567   }
12568   else if (IS_SP_CHIP(new_element))
12569   {
12570     int last_element_new = EL_UNDEFINED;
12571     int direction = MV_NONE;
12572     int i;
12573
12574     // (do not keep existing directions, regardless of kind of old element)
12575
12576     for (i = 0; i < NUM_DIRECTIONS; i++)
12577     {
12578       int xx = x + xy[i].x;
12579       int yy = y + xy[i].y;
12580
12581       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12582           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
12583       {
12584         int dir = MV_DIR_FROM_BIT(i);
12585         int dir_opposite = MV_DIR_OPPOSITE(dir);
12586         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12587         int last_direction_old = getOpenDirectionFromChip(last_element_old);
12588         int last_direction_new = last_direction_old | dir_opposite;
12589
12590         if (last_direction_old == MV_NONE)
12591         {
12592           last_element_new = getChipFromOpenDirection(last_direction_new);
12593           direction |= dir;
12594         }
12595         else if (last_direction_old & (dir | dir_opposite))
12596         {
12597           direction |= MV_DIR_OPPOSITE(last_direction_old);
12598         }
12599         else
12600         {
12601           direction |= MV_DIR_OPPOSITE(dir);
12602         }
12603       }
12604     }
12605
12606     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
12607
12608     if (last_element_new != EL_UNDEFINED)
12609       MergeAndCloseNeighbourElements(x, y, &new_element,
12610                                      last_x, last_y, &last_element_new,
12611                                      getClosedChip, change_level);
12612   }
12613   else if (IS_SP_HARDWARE_BASE(new_element))
12614   {
12615     int nr = GetSimpleRandom(6);
12616
12617     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
12618                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
12619                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
12620                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
12621                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
12622   }
12623   else if (new_element == EL_SP_HARDWARE_GREEN ||
12624            new_element == EL_SP_HARDWARE_BLUE ||
12625            new_element == EL_SP_HARDWARE_RED)
12626   {
12627     int nr = GetSimpleRandom(3);
12628
12629     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
12630                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
12631   }
12632   else if (IS_GROUP_ELEMENT(new_element))
12633   {
12634     boolean connected_drawing = FALSE;
12635     int i;
12636
12637     for (i = 0; i < NUM_DIRECTIONS; i++)
12638     {
12639       int xx = x + xy[i].x;
12640       int yy = y + xy[i].y;
12641
12642       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12643           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
12644         connected_drawing = TRUE;
12645     }
12646
12647     if (!connected_drawing)
12648       ResolveGroupElement(new_element);
12649
12650     new_element = GetElementFromGroupElement(new_element);
12651   }
12652   else if (IS_BELT_SWITCH(old_element))
12653   {
12654     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
12655     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
12656
12657     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
12658                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
12659
12660     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
12661   }
12662   else
12663   {
12664     static int swappable_elements[][2] =
12665     {
12666       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
12667       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
12668       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
12669       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
12670       { EL_EMERALD,                     EL_WALL_EMERALD                 },
12671       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
12672       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
12673       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
12674       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
12675       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
12676       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
12677       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
12678       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
12679       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
12680       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
12681       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
12682       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
12683       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
12684       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
12685       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
12686       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
12687       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
12688       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
12689       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
12690       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
12691       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
12692       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
12693       { EL_PEARL,                       EL_WALL_PEARL                   },
12694       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
12695       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
12696       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
12697       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
12698       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
12699       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
12700       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
12701       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
12702       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
12703       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
12704       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
12705       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
12706       { EL_MM_EXIT_CLOSED,              EL_MM_EXIT_OPEN                 },
12707       { EL_MM_FUSE,                     EL_MM_FUSE_ACTIVE               },
12708       { EL_MM_LIGHTBULB,                EL_MM_LIGHTBULB_ACTIVE          },
12709       { EL_MM_FUEL_EMPTY,               EL_MM_FUEL_FULL                 },
12710
12711       { -1,                             -1                              },
12712     };
12713     static int rotatable_elements_4[][4] =
12714     {
12715       {
12716         EL_BUG_UP,
12717         EL_BUG_RIGHT,
12718         EL_BUG_DOWN,
12719         EL_BUG_LEFT
12720       },
12721       {
12722         EL_SPACESHIP_UP,
12723         EL_SPACESHIP_RIGHT,
12724         EL_SPACESHIP_DOWN,
12725         EL_SPACESHIP_LEFT
12726       },
12727       {
12728         EL_BD_BUTTERFLY_UP,
12729         EL_BD_BUTTERFLY_RIGHT,
12730         EL_BD_BUTTERFLY_DOWN,
12731         EL_BD_BUTTERFLY_LEFT
12732       },
12733       {
12734         EL_BD_FIREFLY_UP,
12735         EL_BD_FIREFLY_RIGHT,
12736         EL_BD_FIREFLY_DOWN,
12737         EL_BD_FIREFLY_LEFT
12738       },
12739       {
12740         EL_PACMAN_UP,
12741         EL_PACMAN_RIGHT,
12742         EL_PACMAN_DOWN,
12743         EL_PACMAN_LEFT
12744       },
12745       {
12746         EL_YAMYAM_UP,
12747         EL_YAMYAM_RIGHT,
12748         EL_YAMYAM_DOWN,
12749         EL_YAMYAM_LEFT
12750       },
12751       {
12752         EL_ARROW_UP,
12753         EL_ARROW_RIGHT,
12754         EL_ARROW_DOWN,
12755         EL_ARROW_LEFT
12756       },
12757       {
12758         EL_SP_PORT_UP,
12759         EL_SP_PORT_RIGHT,
12760         EL_SP_PORT_DOWN,
12761         EL_SP_PORT_LEFT
12762       },
12763       {
12764         EL_SP_GRAVITY_PORT_UP,
12765         EL_SP_GRAVITY_PORT_RIGHT,
12766         EL_SP_GRAVITY_PORT_DOWN,
12767         EL_SP_GRAVITY_PORT_LEFT
12768       },
12769       {
12770         EL_SP_GRAVITY_ON_PORT_UP,
12771         EL_SP_GRAVITY_ON_PORT_RIGHT,
12772         EL_SP_GRAVITY_ON_PORT_DOWN,
12773         EL_SP_GRAVITY_ON_PORT_LEFT
12774       },
12775       {
12776         EL_SP_GRAVITY_OFF_PORT_UP,
12777         EL_SP_GRAVITY_OFF_PORT_RIGHT,
12778         EL_SP_GRAVITY_OFF_PORT_DOWN,
12779         EL_SP_GRAVITY_OFF_PORT_LEFT
12780       },
12781       {
12782         EL_MOLE_UP,
12783         EL_MOLE_RIGHT,
12784         EL_MOLE_DOWN,
12785         EL_MOLE_LEFT
12786       },
12787       {
12788         EL_BALLOON_SWITCH_UP,
12789         EL_BALLOON_SWITCH_RIGHT,
12790         EL_BALLOON_SWITCH_DOWN,
12791         EL_BALLOON_SWITCH_LEFT
12792       },
12793       {
12794         EL_MM_MCDUFFIN_UP,
12795         EL_MM_MCDUFFIN_RIGHT,
12796         EL_MM_MCDUFFIN_DOWN,
12797         EL_MM_MCDUFFIN_LEFT
12798       },
12799       {
12800         EL_MM_MIRROR_FIXED_1,
12801         EL_MM_MIRROR_FIXED_4,
12802         EL_MM_MIRROR_FIXED_3,
12803         EL_MM_MIRROR_FIXED_2
12804       },
12805       {
12806         EL_MM_STEEL_GRID_FIXED_1,
12807         EL_MM_STEEL_GRID_FIXED_4,
12808         EL_MM_STEEL_GRID_FIXED_2,
12809         EL_MM_STEEL_GRID_FIXED_3
12810       },
12811       {
12812         EL_MM_WOODEN_GRID_FIXED_1,
12813         EL_MM_WOODEN_GRID_FIXED_4,
12814         EL_MM_WOODEN_GRID_FIXED_2,
12815         EL_MM_WOODEN_GRID_FIXED_3
12816       },
12817       {
12818         EL_MM_POLARIZER_CROSS_1,
12819         EL_MM_POLARIZER_CROSS_4,
12820         EL_MM_POLARIZER_CROSS_3,
12821         EL_MM_POLARIZER_CROSS_2
12822       },
12823       {
12824         EL_MM_PACMAN_UP,
12825         EL_MM_PACMAN_RIGHT,
12826         EL_MM_PACMAN_DOWN,
12827         EL_MM_PACMAN_LEFT
12828       },
12829       {
12830         EL_DF_LASER_UP,
12831         EL_DF_LASER_RIGHT,
12832         EL_DF_LASER_DOWN,
12833         EL_DF_LASER_LEFT
12834       },
12835       {
12836         EL_DF_RECEIVER_UP,
12837         EL_DF_RECEIVER_RIGHT,
12838         EL_DF_RECEIVER_DOWN,
12839         EL_DF_RECEIVER_LEFT
12840       },
12841       {
12842         EL_DF_SLOPE_1,
12843         EL_DF_SLOPE_4,
12844         EL_DF_SLOPE_3,
12845         EL_DF_SLOPE_2
12846       },
12847
12848       {
12849         -1,
12850       },
12851     };
12852     static int rotatable_elements_8[][8] =
12853     {
12854       {
12855         EL_DF_STEEL_GRID_FIXED_1,
12856         EL_DF_STEEL_GRID_FIXED_8,
12857         EL_DF_STEEL_GRID_FIXED_7,
12858         EL_DF_STEEL_GRID_FIXED_6,
12859         EL_DF_STEEL_GRID_FIXED_5,
12860         EL_DF_STEEL_GRID_FIXED_4,
12861         EL_DF_STEEL_GRID_FIXED_3,
12862         EL_DF_STEEL_GRID_FIXED_2
12863       },
12864       {
12865         EL_DF_WOODEN_GRID_FIXED_1,
12866         EL_DF_WOODEN_GRID_FIXED_8,
12867         EL_DF_WOODEN_GRID_FIXED_7,
12868         EL_DF_WOODEN_GRID_FIXED_6,
12869         EL_DF_WOODEN_GRID_FIXED_5,
12870         EL_DF_WOODEN_GRID_FIXED_4,
12871         EL_DF_WOODEN_GRID_FIXED_3,
12872         EL_DF_WOODEN_GRID_FIXED_2
12873       },
12874       {
12875         EL_DF_STEEL_GRID_ROTATING_1,
12876         EL_DF_STEEL_GRID_ROTATING_8,
12877         EL_DF_STEEL_GRID_ROTATING_7,
12878         EL_DF_STEEL_GRID_ROTATING_6,
12879         EL_DF_STEEL_GRID_ROTATING_5,
12880         EL_DF_STEEL_GRID_ROTATING_4,
12881         EL_DF_STEEL_GRID_ROTATING_3,
12882         EL_DF_STEEL_GRID_ROTATING_2
12883       },
12884       {
12885         EL_DF_WOODEN_GRID_ROTATING_1,
12886         EL_DF_WOODEN_GRID_ROTATING_8,
12887         EL_DF_WOODEN_GRID_ROTATING_7,
12888         EL_DF_WOODEN_GRID_ROTATING_6,
12889         EL_DF_WOODEN_GRID_ROTATING_5,
12890         EL_DF_WOODEN_GRID_ROTATING_4,
12891         EL_DF_WOODEN_GRID_ROTATING_3,
12892         EL_DF_WOODEN_GRID_ROTATING_2
12893       },
12894
12895       {
12896         -1,
12897       },
12898     };
12899     static int rotatable_elements_16[][16] =
12900     {
12901       {
12902         EL_MM_MIRROR_1,
12903         EL_MM_MIRROR_16,
12904         EL_MM_MIRROR_15,
12905         EL_MM_MIRROR_14,
12906         EL_MM_MIRROR_13,
12907         EL_MM_MIRROR_12,
12908         EL_MM_MIRROR_11,
12909         EL_MM_MIRROR_10,
12910         EL_MM_MIRROR_9,
12911         EL_MM_MIRROR_8,
12912         EL_MM_MIRROR_7,
12913         EL_MM_MIRROR_6,
12914         EL_MM_MIRROR_5,
12915         EL_MM_MIRROR_4,
12916         EL_MM_MIRROR_3,
12917         EL_MM_MIRROR_2
12918       },
12919       {
12920         EL_MM_TELEPORTER_5,
12921         EL_MM_TELEPORTER_4,
12922         EL_MM_TELEPORTER_3,
12923         EL_MM_TELEPORTER_2,
12924         EL_MM_TELEPORTER_1,
12925         EL_MM_TELEPORTER_16,
12926         EL_MM_TELEPORTER_15,
12927         EL_MM_TELEPORTER_14,
12928         EL_MM_TELEPORTER_13,
12929         EL_MM_TELEPORTER_12,
12930         EL_MM_TELEPORTER_11,
12931         EL_MM_TELEPORTER_10,
12932         EL_MM_TELEPORTER_9,
12933         EL_MM_TELEPORTER_8,
12934         EL_MM_TELEPORTER_7,
12935         EL_MM_TELEPORTER_6
12936       },
12937       {
12938         EL_MM_TELEPORTER_RED_5,
12939         EL_MM_TELEPORTER_RED_4,
12940         EL_MM_TELEPORTER_RED_3,
12941         EL_MM_TELEPORTER_RED_2,
12942         EL_MM_TELEPORTER_RED_1,
12943         EL_MM_TELEPORTER_RED_16,
12944         EL_MM_TELEPORTER_RED_15,
12945         EL_MM_TELEPORTER_RED_14,
12946         EL_MM_TELEPORTER_RED_13,
12947         EL_MM_TELEPORTER_RED_12,
12948         EL_MM_TELEPORTER_RED_11,
12949         EL_MM_TELEPORTER_RED_10,
12950         EL_MM_TELEPORTER_RED_9,
12951         EL_MM_TELEPORTER_RED_8,
12952         EL_MM_TELEPORTER_RED_7,
12953         EL_MM_TELEPORTER_RED_6
12954       },
12955       {
12956         EL_MM_TELEPORTER_YELLOW_5,
12957         EL_MM_TELEPORTER_YELLOW_4,
12958         EL_MM_TELEPORTER_YELLOW_3,
12959         EL_MM_TELEPORTER_YELLOW_2,
12960         EL_MM_TELEPORTER_YELLOW_1,
12961         EL_MM_TELEPORTER_YELLOW_16,
12962         EL_MM_TELEPORTER_YELLOW_15,
12963         EL_MM_TELEPORTER_YELLOW_14,
12964         EL_MM_TELEPORTER_YELLOW_13,
12965         EL_MM_TELEPORTER_YELLOW_12,
12966         EL_MM_TELEPORTER_YELLOW_11,
12967         EL_MM_TELEPORTER_YELLOW_10,
12968         EL_MM_TELEPORTER_YELLOW_9,
12969         EL_MM_TELEPORTER_YELLOW_8,
12970         EL_MM_TELEPORTER_YELLOW_7,
12971         EL_MM_TELEPORTER_YELLOW_6
12972       },
12973       {
12974         EL_MM_TELEPORTER_GREEN_5,
12975         EL_MM_TELEPORTER_GREEN_4,
12976         EL_MM_TELEPORTER_GREEN_3,
12977         EL_MM_TELEPORTER_GREEN_2,
12978         EL_MM_TELEPORTER_GREEN_1,
12979         EL_MM_TELEPORTER_GREEN_16,
12980         EL_MM_TELEPORTER_GREEN_15,
12981         EL_MM_TELEPORTER_GREEN_14,
12982         EL_MM_TELEPORTER_GREEN_13,
12983         EL_MM_TELEPORTER_GREEN_12,
12984         EL_MM_TELEPORTER_GREEN_11,
12985         EL_MM_TELEPORTER_GREEN_10,
12986         EL_MM_TELEPORTER_GREEN_9,
12987         EL_MM_TELEPORTER_GREEN_8,
12988         EL_MM_TELEPORTER_GREEN_7,
12989         EL_MM_TELEPORTER_GREEN_6
12990       },
12991       {
12992         EL_MM_TELEPORTER_BLUE_5,
12993         EL_MM_TELEPORTER_BLUE_4,
12994         EL_MM_TELEPORTER_BLUE_3,
12995         EL_MM_TELEPORTER_BLUE_2,
12996         EL_MM_TELEPORTER_BLUE_1,
12997         EL_MM_TELEPORTER_BLUE_16,
12998         EL_MM_TELEPORTER_BLUE_15,
12999         EL_MM_TELEPORTER_BLUE_14,
13000         EL_MM_TELEPORTER_BLUE_13,
13001         EL_MM_TELEPORTER_BLUE_12,
13002         EL_MM_TELEPORTER_BLUE_11,
13003         EL_MM_TELEPORTER_BLUE_10,
13004         EL_MM_TELEPORTER_BLUE_9,
13005         EL_MM_TELEPORTER_BLUE_8,
13006         EL_MM_TELEPORTER_BLUE_7,
13007         EL_MM_TELEPORTER_BLUE_6
13008       },
13009       {
13010         EL_MM_POLARIZER_1,
13011         EL_MM_POLARIZER_16,
13012         EL_MM_POLARIZER_15,
13013         EL_MM_POLARIZER_14,
13014         EL_MM_POLARIZER_13,
13015         EL_MM_POLARIZER_12,
13016         EL_MM_POLARIZER_11,
13017         EL_MM_POLARIZER_10,
13018         EL_MM_POLARIZER_9,
13019         EL_MM_POLARIZER_8,
13020         EL_MM_POLARIZER_7,
13021         EL_MM_POLARIZER_6,
13022         EL_MM_POLARIZER_5,
13023         EL_MM_POLARIZER_4,
13024         EL_MM_POLARIZER_3,
13025         EL_MM_POLARIZER_2
13026       },
13027       {
13028         EL_DF_MIRROR_1,
13029         EL_DF_MIRROR_16,
13030         EL_DF_MIRROR_15,
13031         EL_DF_MIRROR_14,
13032         EL_DF_MIRROR_13,
13033         EL_DF_MIRROR_12,
13034         EL_DF_MIRROR_11,
13035         EL_DF_MIRROR_10,
13036         EL_DF_MIRROR_9,
13037         EL_DF_MIRROR_8,
13038         EL_DF_MIRROR_7,
13039         EL_DF_MIRROR_6,
13040         EL_DF_MIRROR_5,
13041         EL_DF_MIRROR_4,
13042         EL_DF_MIRROR_3,
13043         EL_DF_MIRROR_2
13044       },
13045       {
13046         EL_DF_MIRROR_ROTATING_1,
13047         EL_DF_MIRROR_ROTATING_16,
13048         EL_DF_MIRROR_ROTATING_15,
13049         EL_DF_MIRROR_ROTATING_14,
13050         EL_DF_MIRROR_ROTATING_13,
13051         EL_DF_MIRROR_ROTATING_12,
13052         EL_DF_MIRROR_ROTATING_11,
13053         EL_DF_MIRROR_ROTATING_10,
13054         EL_DF_MIRROR_ROTATING_9,
13055         EL_DF_MIRROR_ROTATING_8,
13056         EL_DF_MIRROR_ROTATING_7,
13057         EL_DF_MIRROR_ROTATING_6,
13058         EL_DF_MIRROR_ROTATING_5,
13059         EL_DF_MIRROR_ROTATING_4,
13060         EL_DF_MIRROR_ROTATING_3,
13061         EL_DF_MIRROR_ROTATING_2
13062       },
13063       {
13064         EL_DF_MIRROR_FIXED_1,
13065         EL_DF_MIRROR_FIXED_16,
13066         EL_DF_MIRROR_FIXED_15,
13067         EL_DF_MIRROR_FIXED_14,
13068         EL_DF_MIRROR_FIXED_13,
13069         EL_DF_MIRROR_FIXED_12,
13070         EL_DF_MIRROR_FIXED_11,
13071         EL_DF_MIRROR_FIXED_10,
13072         EL_DF_MIRROR_FIXED_9,
13073         EL_DF_MIRROR_FIXED_8,
13074         EL_DF_MIRROR_FIXED_7,
13075         EL_DF_MIRROR_FIXED_6,
13076         EL_DF_MIRROR_FIXED_5,
13077         EL_DF_MIRROR_FIXED_4,
13078         EL_DF_MIRROR_FIXED_3,
13079         EL_DF_MIRROR_FIXED_2
13080       },
13081
13082       {
13083         -1,
13084       },
13085     };
13086     int i, j;
13087
13088     for (i = 0; swappable_elements[i][0] != -1; i++)
13089     {
13090       int element1 = swappable_elements[i][0];
13091       int element2 = swappable_elements[i][1];
13092
13093       if (old_element == element1 || old_element == element2)
13094         new_element = (old_element == element1 ? element2 : element1);
13095     }
13096
13097     for (i = 0; rotatable_elements_4[i][0] != -1; i++)
13098     {
13099       for (j = 0; j < 4; j++)
13100       {
13101         int element = rotatable_elements_4[i][j];
13102
13103         if (old_element == element)
13104           new_element = (button == 1 ? rotatable_elements_4[i][(j + 3) % 4] :
13105                          button == 2 ? rotatable_elements_4[i][0]           :
13106                          button == 3 ? rotatable_elements_4[i][(j + 1) % 4] :
13107                          old_element);
13108       }
13109     }
13110
13111     for (i = 0; rotatable_elements_8[i][0] != -1; i++)
13112     {
13113       for (j = 0; j < 8; j++)
13114       {
13115         int element = rotatable_elements_8[i][j];
13116
13117         if (old_element == element)
13118           new_element = (button == 1 ? rotatable_elements_8[i][(j + 7) % 8] :
13119                          button == 2 ? rotatable_elements_8[i][0]           :
13120                          button == 3 ? rotatable_elements_8[i][(j + 1) % 8] :
13121                          old_element);
13122       }
13123     }
13124
13125     for (i = 0; rotatable_elements_16[i][0] != -1; i++)
13126     {
13127       for (j = 0; j < 16; j++)
13128       {
13129         int element = rotatable_elements_16[i][j];
13130
13131         if (old_element == element)
13132           new_element = (button == 1 ? rotatable_elements_16[i][(j + 15) % 16] :
13133                          button == 2 ? rotatable_elements_16[i][0]             :
13134                          button == 3 ? rotatable_elements_16[i][(j + 1)  % 16] :
13135                          old_element);
13136       }
13137     }
13138
13139     if (old_element != new_element)
13140     {
13141       int max_infotext_len = getMaxInfoTextLength();
13142       char infotext[MAX_OUTPUT_LINESIZE + 1];
13143
13144       strncpy(infotext, getElementInfoText(new_element), max_infotext_len);
13145       infotext[max_infotext_len] = '\0';
13146
13147       ClearEditorGadgetInfoText();
13148
13149       DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT,
13150                 infotext);
13151     }
13152   }
13153
13154   if (IS_MM_WALL_EDITOR(new_element))
13155     SetElementSimpleExt(x, y, dx, dy, new_element, change_level);
13156   else
13157     SetElementSimple(x, y, new_element, change_level);
13158
13159   last_x = x;
13160   last_y = y;
13161 }
13162
13163 static void ResetIntelliDraw(void)
13164 {
13165   int x, y;
13166
13167   for (x = 0; x < lev_fieldx; x++)
13168     for (y = 0; y < lev_fieldy; y++)
13169       IntelliDrawBuffer[x][y] = Tile[x][y];
13170
13171   SetElementIntelliDraw(-1, -1, -1, -1, EL_UNDEFINED, FALSE, -1);
13172 }
13173
13174 static boolean draw_mode_hires = FALSE;
13175
13176 static boolean isHiresTileElement(int element)
13177 {
13178   return (IS_MM_WALL(element)        || element == EL_EMPTY);
13179 }
13180
13181 static boolean isHiresDrawElement(int element)
13182 {
13183   return (IS_MM_WALL_EDITOR(element) || element == EL_EMPTY);
13184 }
13185
13186 static int numHiresTiles(int element)
13187 {
13188   if (IS_MM_WALL(element))
13189     return get_number_of_bits(MM_WALL_BITS(element));
13190
13191   return 1;
13192 }
13193
13194 static void SetDrawModeHiRes(int element)
13195 {
13196   draw_mode_hires =
13197     (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
13198      isHiresDrawElement(element));
13199 }
13200
13201 static boolean getDrawModeHiRes(void)
13202 {
13203   return draw_mode_hires;
13204 }
13205
13206 static int getLoResScreenPos(int pos)
13207 {
13208   return (getDrawModeHiRes() ? pos / 2 : pos);
13209 }
13210
13211 static int getLoResScreenMod(int pos)
13212 {
13213   return (getDrawModeHiRes() ? pos % 2 : 0);
13214 }
13215
13216 static void SetElementExt(int x, int y, int dx, int dy, int element,
13217                           boolean change_level, int button)
13218 {
13219   if (element < 0)
13220     SetElementSimple(x, y, Tile[x][y], change_level);
13221   else if (GetKeyModState() & KMOD_Shift)
13222     SetElementIntelliDraw(x, y, dx, dy, element, change_level, button);
13223   else
13224     SetElementSimpleExt(x, y, dx, dy, element, change_level);
13225 }
13226
13227 static void SetElement(int x, int y, int element)
13228 {
13229   SetElementExt(x, y, 0, 0, element, TRUE, -1);
13230 }
13231
13232 static void SetElementButton(int x, int y, int dx, int dy, int element,
13233                              int button)
13234 {
13235   SetElementExt(x, y, dx, dy, element, TRUE, button);
13236 }
13237
13238 static void SetElementHiRes(int sx2, int sy2, int element, boolean change_level)
13239 {
13240   int lx = getLoResScreenPos(sx2) + level_xpos;
13241   int ly = getLoResScreenPos(sy2) + level_ypos;
13242   int dx = getLoResScreenMod(sx2);
13243   int dy = getLoResScreenMod(sy2);
13244
13245   SetElementExt(lx, ly, dx, dy, element, change_level, -1);
13246 }
13247
13248 static void SetLevelElementHiRes(int lx2, int ly2, int element)
13249 {
13250   int lx = lx2 / 2;
13251   int ly = ly2 / 2;
13252   int dx = lx2 % 2;
13253   int dy = ly2 % 2;
13254
13255   SetElementExt(lx, ly, dx, dy, element, TRUE, -1);
13256 }
13257
13258 static int getLevelElementHiRes(int lx2, int ly2)
13259 {
13260   int lx = lx2 / 2;
13261   int ly = ly2 / 2;
13262   int dx = lx2 % 2;
13263   int dy = ly2 % 2;
13264   int element = Tile[lx][ly];
13265   unsigned int bitmask = (dx + 1) << (dy * 2);
13266
13267   if (IS_MM_WALL(element))
13268   {
13269     if (element & bitmask)
13270       return map_mm_wall_element(element);
13271     else
13272       return EL_EMPTY;
13273   }
13274
13275   return element;
13276 }
13277
13278 static void DrawLineElement(int x, int y, int element, boolean change_level)
13279 {
13280   SetElementHiRes(x, y, element, change_level);
13281 }
13282
13283 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
13284                      int element, boolean change_level)
13285 {
13286   int xsize = ABS(to_x - from_x);
13287   int ysize = ABS(to_y - from_y);
13288   int dx = (to_x < from_x ? -1 : +1);
13289   int dy = (to_y < from_y ? -1 : +1);
13290   int i;
13291
13292   if (from_y == to_y)                   // horizontal line
13293   {
13294     for (i = 0; i <= xsize; i++)
13295       DrawLineElement(from_x + i * dx, from_y, element, change_level);
13296   }
13297   else if (from_x == to_x)              // vertical line
13298   {
13299     for (i = 0; i <= ysize; i++)
13300       DrawLineElement(from_x, from_y + i * dy, element, change_level);
13301   }
13302   else                                  // diagonal line
13303   {
13304     if (ysize < xsize)                  // a < 1
13305     {
13306       float a = (float)ysize / (float)xsize;
13307
13308       for (i = 0; i <= xsize; i++)
13309       {
13310         int x = dx * i;
13311         int y = dy * (int)(a * i + 0.5);
13312
13313         DrawLineElement(from_x + x, from_y + y, element, change_level);
13314       }
13315     }
13316     else                                // a >= 1
13317     {
13318       float a = (float)xsize / (float)ysize;
13319
13320       for (i = 0; i <= ysize; i++)
13321       {
13322         int x = dx * (int)(a * i + 0.5);
13323         int y = dy * i;
13324
13325         DrawLineElement(from_x + x, from_y + y, element, change_level);
13326       }
13327     }
13328   }
13329 }
13330
13331 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
13332                     int element, boolean change_level)
13333 {
13334   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
13335   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
13336   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
13337   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
13338 }
13339
13340 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
13341                           int element, boolean change_level)
13342 {
13343   int y;
13344
13345   if (from_y > to_y)
13346     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
13347
13348   for (y = from_y; y <= to_y; y++)
13349     DrawLine(from_x, y, to_x, y, element, change_level);
13350 }
13351
13352 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
13353                        int element, boolean change_level)
13354 {
13355   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
13356   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
13357   int len_x = ABS(to_x - from_x);
13358   int len_y = ABS(to_y - from_y);
13359   int radius, x, y;
13360
13361   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
13362
13363   // not optimal (some points get drawn twice) but simple,
13364   // and fast enough for the few points we are drawing
13365
13366   for (x = 0; x <= radius; x++)
13367   {
13368     int sx, sy, sx2, sy2, lx, ly;
13369
13370     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
13371
13372     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
13373     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
13374     sx = getLoResScreenPos(sx2);
13375     sy = getLoResScreenPos(sy2);
13376     lx = sx + level_xpos;
13377     ly = sy + level_ypos;
13378
13379     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
13380       DrawLineElement(sx2, sy2, element, change_level);
13381   }
13382
13383   for (y = 0; y <= radius; y++)
13384   {
13385     int sx, sy, sx2, sy2, lx, ly;
13386
13387     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
13388
13389     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
13390     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
13391     sx = getLoResScreenPos(sx2);
13392     sy = getLoResScreenPos(sy2);
13393     lx = sx + level_xpos;
13394     ly = sy + level_ypos;
13395
13396     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
13397       DrawLineElement(sx2, sy2, element, change_level);
13398   }
13399 }
13400
13401 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
13402                     int element, boolean change_level)
13403 {
13404   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
13405   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
13406
13407   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
13408 }
13409
13410 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
13411
13412 #if DRAW_CIRCLES_BUTTON_AVAILABLE
13413 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
13414                        int element, boolean change_level)
13415 {
13416   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
13417   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
13418   int mirror_to_x2 = from_x - (to_x2 - from_x);
13419   int mirror_to_y2 = from_y - (to_y2 - from_y);
13420
13421   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
13422   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
13423   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
13424   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element, change_level);
13425 }
13426 #endif
13427
13428 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
13429 {
13430   int from_sx, from_sy;
13431   int to_sx, to_sy;
13432
13433   if (from_x > to_x)
13434     swap_numbers(&from_x, &to_x);
13435
13436   if (from_y > to_y)
13437     swap_numbers(&from_y, &to_y);
13438
13439   from_sx = SX + from_x * ed_tilesize;
13440   from_sy = SY + from_y * ed_tilesize;
13441   to_sx = SX + (to_x + 1) * ed_tilesize - 1;
13442   to_sy = SY + (to_y + 1) * ed_tilesize - 1;
13443
13444   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
13445   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
13446   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
13447   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
13448
13449   if (from_x == to_x && from_y == to_y)
13450     MarkTileDirty(from_x/2, from_y/2);
13451   else
13452     redraw_mask |= REDRAW_FIELD;
13453 }
13454
13455 static void DrawAreaBox(int from_x, int from_y, int to_x, int to_y,
13456                         int element, boolean change_level)
13457 {
13458   DrawBox(from_x, from_y, to_x, to_y, element, change_level);
13459 }
13460
13461 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
13462                        int element, boolean change_level)
13463 {
13464   if (element == -1 || change_level)
13465     DrawAreaBox(from_x, from_y, to_x, to_y, -1, FALSE);
13466   else
13467     DrawAreaBorder(from_x, from_y, to_x, to_y);
13468 }
13469
13470 // values for CopyBrushExt()
13471 #define CB_AREA_TO_BRUSH                0
13472 #define CB_BRUSH_TO_CURSOR              1
13473 #define CB_BRUSH_TO_LEVEL               2
13474 #define CB_DELETE_OLD_CURSOR            3
13475 #define CB_DUMP_BRUSH                   4
13476 #define CB_DUMP_BRUSH_SMALL             5
13477 #define CB_CLIPBOARD_TO_BRUSH           6
13478 #define CB_BRUSH_TO_CLIPBOARD           7
13479 #define CB_BRUSH_TO_CLIPBOARD_SMALL     8
13480 #define CB_UPDATE_BRUSH_POSITION        9
13481 #define CB_FLIP_BRUSH_X                 10
13482 #define CB_FLIP_BRUSH_Y                 11
13483 #define CB_FLIP_BRUSH_XY                12
13484
13485 #define MAX_CB_PART_SIZE        10
13486 #define MAX_CB_LINE_SIZE        (MAX_LEV_FIELDX + 1)    // text plus newline
13487 #define MAX_CB_NUM_LINES        (MAX_LEV_FIELDY)
13488 #define MAX_CB_TEXT_SIZE        (MAX_CB_LINE_SIZE *     \
13489                                  MAX_CB_NUM_LINES *     \
13490                                  MAX_CB_PART_SIZE)
13491
13492 static int getFlippedTileExt(int map[], int element)
13493 {
13494   int i;
13495
13496   for (i = 0; map[i] != -1; i++)
13497     if (map[i] == element)
13498       return map[i ^ 1];        // get flipped element by flipping LSB of index
13499
13500   return element;
13501 }
13502
13503 static int getFlippedTileX(int element)
13504 {
13505   int map[] =
13506   {
13507     EL_BD_BUTTERFLY_LEFT,               EL_BD_BUTTERFLY_RIGHT,
13508     EL_BD_FIREFLY_LEFT,                 EL_BD_FIREFLY_RIGHT,
13509     EL_BUG_LEFT,                        EL_BUG_RIGHT,
13510     EL_SPACESHIP_LEFT,                  EL_SPACESHIP_RIGHT,
13511     EL_PACMAN_LEFT,                     EL_PACMAN_RIGHT,
13512     EL_ARROW_LEFT,                      EL_ARROW_RIGHT,
13513     EL_MOLE_LEFT,                       EL_MOLE_RIGHT,
13514     EL_BALLOON_SWITCH_LEFT,             EL_BALLOON_SWITCH_RIGHT,
13515     EL_YAMYAM_LEFT,                     EL_YAMYAM_RIGHT,
13516     EL_SP_PORT_LEFT,                    EL_SP_PORT_RIGHT,
13517     EL_SP_GRAVITY_PORT_LEFT,            EL_SP_GRAVITY_PORT_RIGHT,
13518     EL_SP_GRAVITY_ON_PORT_LEFT,         EL_SP_GRAVITY_ON_PORT_RIGHT,
13519     EL_SP_GRAVITY_OFF_PORT_LEFT,        EL_SP_GRAVITY_OFF_PORT_RIGHT,
13520     EL_CONVEYOR_BELT_1_LEFT,            EL_CONVEYOR_BELT_1_RIGHT,
13521     EL_CONVEYOR_BELT_2_LEFT,            EL_CONVEYOR_BELT_2_RIGHT,
13522     EL_CONVEYOR_BELT_3_LEFT,            EL_CONVEYOR_BELT_3_RIGHT,
13523     EL_CONVEYOR_BELT_4_LEFT,            EL_CONVEYOR_BELT_4_RIGHT,
13524     EL_SPRING_LEFT,                     EL_SPRING_RIGHT,
13525     EL_SP_CHIP_LEFT,                    EL_SP_CHIP_RIGHT,
13526     EL_TUBE_VERTICAL_LEFT,              EL_TUBE_VERTICAL_RIGHT,
13527     EL_TUBE_LEFT_UP,                    EL_TUBE_RIGHT_UP,
13528     EL_TUBE_LEFT_DOWN,                  EL_TUBE_RIGHT_DOWN,
13529     EL_DC_STEELWALL_1_LEFT,             EL_DC_STEELWALL_1_RIGHT,
13530     EL_DC_STEELWALL_1_TOPLEFT,          EL_DC_STEELWALL_1_TOPRIGHT,
13531     EL_DC_STEELWALL_1_BOTTOMLEFT,       EL_DC_STEELWALL_1_BOTTOMRIGHT,
13532     EL_DC_STEELWALL_1_TOPLEFT_2,        EL_DC_STEELWALL_1_TOPRIGHT_2,
13533     EL_DC_STEELWALL_1_BOTTOMLEFT_2,     EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
13534     EL_DC_STEELWALL_2_LEFT,             EL_DC_STEELWALL_2_RIGHT,
13535     EL_ACID_POOL_TOPLEFT,               EL_ACID_POOL_TOPRIGHT,
13536     EL_ACID_POOL_BOTTOMLEFT,            EL_ACID_POOL_BOTTOMRIGHT,
13537
13538     -1
13539   };
13540
13541   return getFlippedTileExt(map, element);
13542 }
13543
13544 static int getFlippedTileY(int element)
13545 {
13546   int map[] =
13547   {
13548     EL_BD_BUTTERFLY_UP,                 EL_BD_BUTTERFLY_DOWN,
13549     EL_BD_FIREFLY_UP,                   EL_BD_FIREFLY_DOWN,
13550     EL_BUG_UP,                          EL_BUG_DOWN,
13551     EL_SPACESHIP_UP,                    EL_SPACESHIP_DOWN,
13552     EL_PACMAN_UP,                       EL_PACMAN_DOWN,
13553     EL_ARROW_UP,                        EL_ARROW_DOWN,
13554     EL_MOLE_UP,                         EL_MOLE_DOWN,
13555     EL_BALLOON_SWITCH_UP,               EL_BALLOON_SWITCH_DOWN,
13556     EL_YAMYAM_UP,                       EL_YAMYAM_DOWN,
13557     EL_SP_PORT_UP,                      EL_SP_PORT_DOWN,
13558     EL_SP_GRAVITY_PORT_UP,              EL_SP_GRAVITY_PORT_DOWN,
13559     EL_SP_GRAVITY_ON_PORT_UP,           EL_SP_GRAVITY_ON_PORT_DOWN,
13560     EL_SP_GRAVITY_OFF_PORT_UP,          EL_SP_GRAVITY_OFF_PORT_DOWN,
13561     EL_SP_CHIP_TOP,                     EL_SP_CHIP_BOTTOM,
13562     EL_TUBE_HORIZONTAL_UP,              EL_TUBE_HORIZONTAL_DOWN,
13563     EL_TUBE_LEFT_UP,                    EL_TUBE_LEFT_DOWN,
13564     EL_TUBE_RIGHT_UP,                   EL_TUBE_RIGHT_DOWN,
13565     EL_DC_STEELWALL_1_TOP,              EL_DC_STEELWALL_1_BOTTOM,
13566     EL_DC_STEELWALL_1_TOPLEFT,          EL_DC_STEELWALL_1_BOTTOMLEFT,
13567     EL_DC_STEELWALL_1_TOPRIGHT,         EL_DC_STEELWALL_1_BOTTOMRIGHT,
13568     EL_DC_STEELWALL_1_TOPLEFT_2,        EL_DC_STEELWALL_1_BOTTOMLEFT_2,
13569     EL_DC_STEELWALL_1_TOPRIGHT_2,       EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
13570     EL_DC_STEELWALL_2_TOP,              EL_DC_STEELWALL_2_BOTTOM,
13571     EL_EMC_WALL_1,                      EL_EMC_WALL_3,
13572
13573     -1
13574   };
13575
13576   return getFlippedTileExt(map, element);
13577 }
13578
13579 static int getFlippedTileXY(int element)
13580 {
13581   int map[] =
13582   {
13583     EL_BD_BUTTERFLY_LEFT,               EL_BD_BUTTERFLY_UP,
13584     EL_BD_BUTTERFLY_RIGHT,              EL_BD_BUTTERFLY_DOWN,
13585     EL_BD_FIREFLY_LEFT,                 EL_BD_FIREFLY_UP,
13586     EL_BD_FIREFLY_RIGHT,                EL_BD_FIREFLY_DOWN,
13587     EL_BUG_LEFT,                        EL_BUG_UP,
13588     EL_BUG_RIGHT,                       EL_BUG_DOWN,
13589     EL_SPACESHIP_LEFT,                  EL_SPACESHIP_UP,
13590     EL_SPACESHIP_RIGHT,                 EL_SPACESHIP_DOWN,
13591     EL_PACMAN_LEFT,                     EL_PACMAN_UP,
13592     EL_PACMAN_RIGHT,                    EL_PACMAN_DOWN,
13593     EL_ARROW_LEFT,                      EL_ARROW_UP,
13594     EL_ARROW_RIGHT,                     EL_ARROW_DOWN,
13595     EL_MOLE_LEFT,                       EL_MOLE_UP,
13596     EL_MOLE_RIGHT,                      EL_MOLE_DOWN,
13597     EL_BALLOON_SWITCH_LEFT,             EL_BALLOON_SWITCH_UP,
13598     EL_BALLOON_SWITCH_RIGHT,            EL_BALLOON_SWITCH_DOWN,
13599     EL_YAMYAM_LEFT,                     EL_YAMYAM_UP,
13600     EL_YAMYAM_RIGHT,                    EL_YAMYAM_DOWN,
13601     EL_SP_PORT_LEFT,                    EL_SP_PORT_UP,
13602     EL_SP_PORT_RIGHT,                   EL_SP_PORT_DOWN,
13603     EL_SP_GRAVITY_PORT_LEFT,            EL_SP_GRAVITY_PORT_UP,
13604     EL_SP_GRAVITY_PORT_RIGHT,           EL_SP_GRAVITY_PORT_DOWN,
13605     EL_SP_GRAVITY_ON_PORT_LEFT,         EL_SP_GRAVITY_ON_PORT_UP,
13606     EL_SP_GRAVITY_ON_PORT_RIGHT,        EL_SP_GRAVITY_ON_PORT_DOWN,
13607     EL_SP_GRAVITY_OFF_PORT_LEFT,        EL_SP_GRAVITY_OFF_PORT_UP,
13608     EL_SP_GRAVITY_OFF_PORT_RIGHT,       EL_SP_GRAVITY_OFF_PORT_DOWN,
13609     EL_SP_CHIP_LEFT,                    EL_SP_CHIP_TOP,
13610     EL_SP_CHIP_RIGHT,                   EL_SP_CHIP_BOTTOM,
13611     EL_TUBE_VERTICAL,                   EL_TUBE_HORIZONTAL,
13612     EL_TUBE_VERTICAL_LEFT,              EL_TUBE_HORIZONTAL_UP,
13613     EL_TUBE_VERTICAL_RIGHT,             EL_TUBE_HORIZONTAL_DOWN,
13614     EL_TUBE_LEFT_DOWN,                  EL_TUBE_RIGHT_UP,
13615     EL_DC_STEELWALL_1_LEFT,             EL_DC_STEELWALL_1_TOP,
13616     EL_DC_STEELWALL_1_RIGHT,            EL_DC_STEELWALL_1_BOTTOM,
13617     EL_DC_STEELWALL_1_HORIZONTAL,       EL_DC_STEELWALL_1_VERTICAL,
13618     EL_DC_STEELWALL_1_TOPRIGHT,         EL_DC_STEELWALL_1_BOTTOMLEFT,
13619     EL_DC_STEELWALL_1_TOPRIGHT_2,       EL_DC_STEELWALL_1_BOTTOMLEFT_2,
13620     EL_DC_STEELWALL_2_LEFT,             EL_DC_STEELWALL_2_TOP,
13621     EL_DC_STEELWALL_2_RIGHT,            EL_DC_STEELWALL_2_BOTTOM,
13622     EL_DC_STEELWALL_2_HORIZONTAL,       EL_DC_STEELWALL_2_VERTICAL,
13623     EL_EXPANDABLE_WALL_HORIZONTAL,      EL_EXPANDABLE_WALL_VERTICAL,
13624     EL_EXPANDABLE_STEELWALL_HORIZONTAL, EL_EXPANDABLE_STEELWALL_VERTICAL,
13625
13626     -1
13627   };
13628
13629   return getFlippedTileExt(map, element);
13630 }
13631
13632 static int getFlippedTile(int element, int mode)
13633 {
13634   if (IS_MM_ELEMENT(element))
13635   {
13636     // get MM game element
13637     element = map_element_RND_to_MM(element);
13638
13639     // get flipped game element
13640     element = (mode == CB_FLIP_BRUSH_X  ? getFlippedTileX_MM(element) :
13641                mode == CB_FLIP_BRUSH_Y  ? getFlippedTileY_MM(element) :
13642                mode == CB_FLIP_BRUSH_XY ? getFlippedTileXY_MM(element) :
13643                element);
13644
13645     // get RND game element again
13646     element = map_element_MM_to_RND(element);
13647   }
13648   else
13649   {
13650     // get flipped game element
13651     element = (mode == CB_FLIP_BRUSH_X  ? getFlippedTileX(element) :
13652                mode == CB_FLIP_BRUSH_Y  ? getFlippedTileY(element) :
13653                mode == CB_FLIP_BRUSH_XY ? getFlippedTileXY(element) :
13654                element);
13655   }
13656
13657   return element;
13658 }
13659
13660 static void SwapFlippedTiles(short *tile1, short *tile2, int mode)
13661 {
13662   // flip tiles
13663   short tile1_flipped = getFlippedTile(*tile1, mode);
13664   short tile2_flipped = getFlippedTile(*tile2, mode);
13665
13666   // swap tiles
13667   *tile1 = tile2_flipped;
13668   *tile2 = tile1_flipped;
13669 }
13670
13671 static void DrawBrushElement(int sx, int sy, int element, boolean change_level)
13672 {
13673   DrawLineElement(sx, sy, element, change_level);
13674 }
13675
13676 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
13677                          int button, int mode)
13678 {
13679   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
13680   static int brush_width, brush_height;
13681   static int last_cursor_x = -1, last_cursor_y = -1;
13682   static boolean delete_old_brush = FALSE;
13683   int new_element = BUTTON_ELEMENT(button);
13684   int x, y;
13685
13686   if (mode == CB_DUMP_BRUSH ||
13687       mode == CB_DUMP_BRUSH_SMALL ||
13688       mode == CB_BRUSH_TO_CLIPBOARD ||
13689       mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
13690   {
13691     if (edit_mode != ED_MODE_DRAWING)
13692       return;
13693
13694     char part[MAX_CB_PART_SIZE + 1] = "";
13695     char text[MAX_CB_TEXT_SIZE + 1] = "";
13696     int width  = (draw_with_brush ? brush_width  : lev_fieldx);
13697     int height = (draw_with_brush ? brush_height : lev_fieldy);
13698     char *format = "%s%03d";
13699
13700     for (y = 0; y < height; y++)
13701       for (x = 0; x < width; x++)
13702         if ((draw_with_brush ? brush_buffer[x][y] : Tile[x][y]) > 999)
13703           format = "%s%04d";
13704
13705     for (y = 0; y < height; y++)
13706     {
13707       for (x = 0; x < width; x++)
13708       {
13709         int element = (draw_with_brush ? brush_buffer[x][y] : Tile[x][y]);
13710         char *prefix = (mode == CB_DUMP_BRUSH ||
13711                         mode == CB_BRUSH_TO_CLIPBOARD ? "`" : "¸");
13712
13713         if (element >= NUM_FILE_ELEMENTS)
13714           element = EL_UNKNOWN;
13715
13716         // copy brush to level sketch text buffer for the R'n'D forum:
13717         // - large tiles: `xxx or `xxxx (0x60 ASCII)
13718         // - small tiles: ¸xxx or ¸xxxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
13719         snprintf(part, MAX_CB_PART_SIZE + 1, format, prefix, element);
13720         strcat(text, part);
13721       }
13722
13723       strcat(text, "\n");
13724     }
13725
13726     if (mode == CB_BRUSH_TO_CLIPBOARD ||
13727         mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
13728       SDL_SetClipboardText(text);
13729     else
13730       Print("%s", text);        // print brush data to console and log file
13731
13732     return;
13733   }
13734
13735   if (mode == CB_CLIPBOARD_TO_BRUSH)
13736   {
13737     if (edit_mode != ED_MODE_DRAWING)
13738       return;
13739
13740     if (!SDL_HasClipboardText())
13741     {
13742       Request("Clipboard is empty!", REQ_CONFIRM);
13743
13744       return;
13745     }
13746
13747     boolean copy_to_brush = (draw_with_brush ||
13748                              drawing_function == GADGET_ID_GRAB_BRUSH);
13749
13750     // this will delete the old brush, if already drawing with a brush
13751     if (copy_to_brush)
13752       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], MB_LEFTBUTTON);
13753
13754     // initialization is required for "odd" (incomplete) clipboard content
13755     for (x = 0; x < MAX_LEV_FIELDX; x++)
13756       for (y = 0; y < MAX_LEV_FIELDY; y++)
13757         brush_buffer[x][y] = EL_EMPTY;
13758
13759     brush_width  = 0;
13760     brush_height = 0;
13761     x = 0;
13762     y = 0;
13763
13764     char *clipboard_text = SDL_GetClipboardText();
13765     char *ptr = clipboard_text;
13766     boolean allow_new_row = FALSE;
13767     boolean stop = FALSE;
13768
13769     while (*ptr && !stop)
13770     {
13771       boolean prefix_found = FALSE;
13772       boolean start_new_row = FALSE;
13773
13774       // level sketch element number prefixes (may be multi-byte characters)
13775       char *prefix_list[] = { "`", "¸" };
13776       int i;
13777
13778       for (i = 0; i < ARRAY_SIZE(prefix_list); i++)
13779       {
13780         char *prefix = prefix_list[i];
13781
13782         // check if string is large enough for prefix
13783         if (strlen(ptr) < strlen(prefix))
13784         {
13785           stop = TRUE;
13786
13787           break;
13788         }
13789
13790         // check if string starts with prefix
13791         if (strPrefix(ptr, prefix))
13792         {
13793           ptr += strlen(prefix);
13794
13795           prefix_found = TRUE;
13796
13797           break;
13798         }
13799       }
13800
13801       // check if prefix found and followed by (at least) three digits
13802       if (prefix_found &&
13803           strlen(ptr) >= 3 &&
13804           ptr[0] >= '0' && ptr[0] <= '9' &&
13805           ptr[1] >= '0' && ptr[1] <= '9' &&
13806           ptr[2] >= '0' && ptr[2] <= '9')
13807       {
13808         int element = ((ptr[0] - '0') * 100 +
13809                        (ptr[1] - '0') * 10 +
13810                        (ptr[2] - '0'));
13811
13812         ptr += 3;
13813
13814         // level sketch element number might consist of four digits
13815         if (ptr[0] >= '0' && ptr[0] <= '9')
13816         {
13817           element = element * 10 + (ptr[0] - '0');
13818           ptr++;
13819         }
13820
13821         // remap some (historic, now obsolete) elements
13822         element = getMappedElement(element);
13823
13824         if (element >= NUM_FILE_ELEMENTS)
13825           element = EL_UNKNOWN;
13826
13827         brush_buffer[x][y] = element;
13828
13829         brush_width  = MAX(x + 1, brush_width);
13830         brush_height = MAX(y + 1, brush_height);
13831
13832         x++;
13833
13834         if (x >= MAX_LEV_FIELDX)
13835           start_new_row = TRUE;
13836
13837         allow_new_row = TRUE;
13838       }
13839       else
13840       {
13841         if ((*ptr == '\n' || *ptr == '\r') && allow_new_row)
13842           start_new_row = TRUE;
13843
13844         ptr++;          // !!! FIX THIS for real UTF-8 handling !!!
13845       }
13846
13847       if (start_new_row)
13848       {
13849         x = 0;
13850         y++;
13851
13852         if (y >= MAX_LEV_FIELDY)
13853           stop = TRUE;
13854
13855         allow_new_row = FALSE;
13856       }
13857     }
13858
13859     SDL_free(clipboard_text);
13860
13861     if (brush_width == 0 || brush_height == 0)
13862     {
13863       Request("No level sketch found in clipboard!", REQ_CONFIRM);
13864
13865       return;
13866     }
13867
13868     if (copy_to_brush)
13869     {
13870       struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_DRAWING_LEVEL];
13871       int mx, my;
13872
13873       SDL_GetMouseState(&mx, &my);
13874
13875       // if inside drawing area, activate and draw brush at last mouse position
13876       if (mx >= gi->x && mx < gi->x + gi->width &&
13877           my >= gi->y && my < gi->y + gi->height)
13878         CopyBrushToCursor(last_cursor_x, last_cursor_y);
13879
13880       draw_with_brush = TRUE;
13881     }
13882     else
13883     {
13884       char request[100];
13885
13886       sprintf(request, "Replace level with %dx%d level sketch from clipboard?",
13887               brush_width, brush_height);
13888
13889       if (!Request(request, REQ_ASK))
13890         return;
13891
13892       for (x = 0; x < MAX_LEV_FIELDX; x++)
13893         for (y = 0; y < MAX_LEV_FIELDY; y++)
13894           Tile[x][y] = brush_buffer[x][y];
13895
13896       lev_fieldx = level.fieldx = brush_width;
13897       lev_fieldy = level.fieldy = brush_height;
13898
13899       boolean use_bd_engine = TRUE;
13900       boolean use_em_engine = TRUE;
13901       boolean use_sp_engine = TRUE;
13902       boolean use_mm_engine = TRUE;
13903
13904       for (x = 0; x < MAX_LEV_FIELDX; x++)
13905       {
13906         for (y = 0; y < MAX_LEV_FIELDY; y++)
13907         {
13908           int element = Tile[x][y];
13909
13910           if (!IS_BD_ELEMENT(element) && !IS_PLAYER_ELEMENT(element))
13911             use_bd_engine = FALSE;
13912
13913           if (!IS_EM_ELEMENT(element) && !IS_PLAYER_ELEMENT(element))
13914             use_em_engine = FALSE;
13915
13916           if (!IS_SP_ELEMENT(element))
13917             use_sp_engine = FALSE;
13918
13919           if (!IS_MM_ELEMENT(element) && element != EL_EMPTY)
13920             use_mm_engine = FALSE;
13921         }
13922       }
13923
13924       level.game_engine_type = (use_bd_engine ? GAME_ENGINE_TYPE_BD :
13925                                 use_em_engine ? GAME_ENGINE_TYPE_EM :
13926                                 use_sp_engine ? GAME_ENGINE_TYPE_SP :
13927                                 use_mm_engine ? GAME_ENGINE_TYPE_MM :
13928                                 GAME_ENGINE_TYPE_RND);
13929
13930       // update element selection list
13931       ReinitializeElementList();
13932       ModifyEditorElementList();
13933
13934       SetBorderElement();
13935
13936       DrawEditModeWindow();
13937       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13938     }
13939
13940     return;
13941   }
13942
13943   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
13944     return;
13945
13946   if (mode == CB_AREA_TO_BRUSH)
13947   {
13948     int from_lx, from_ly;
13949
13950     if (from_x > to_x)
13951       swap_numbers(&from_x, &to_x);
13952
13953     if (from_y > to_y)
13954       swap_numbers(&from_y, &to_y);
13955
13956     brush_width = to_x - from_x + 1;
13957     brush_height = to_y - from_y + 1;
13958
13959     from_lx = from_x + level_xpos;
13960     from_ly = from_y + level_ypos;
13961
13962     for (y = 0; y < brush_height; y++)
13963     {
13964       for (x = 0; x < brush_width; x++)
13965       {
13966         brush_buffer[x][y] = Tile[from_lx + x][from_ly + y];
13967
13968         if (button != 1)
13969           DrawBrushElement(from_x + x, from_y + y, new_element, TRUE);
13970       }
13971     }
13972
13973     if (button != 1)
13974       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13975
13976     delete_old_brush = FALSE;
13977   }
13978   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
13979            mode == CB_BRUSH_TO_LEVEL)
13980   {
13981     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
13982     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
13983     int cursor_from_x = cursor_x - brush_width / 2;
13984     int cursor_from_y = cursor_y - brush_height / 2;
13985     int border_from_x = cursor_x, border_from_y = cursor_y;
13986     int border_to_x = cursor_x, border_to_y = cursor_y;
13987
13988     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
13989       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
13990
13991     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
13992         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
13993     {
13994       delete_old_brush = FALSE;
13995
13996       return;
13997     }
13998
13999     for (y = 0; y < brush_height; y++)
14000     {
14001       for (x = 0; x < brush_width; x++)
14002       {
14003         int sx = cursor_from_x + x;
14004         int sy = cursor_from_y + y;
14005         int lx = sx + level_xpos;
14006         int ly = sy + level_ypos;
14007         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
14008         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
14009                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
14010                        brush_buffer[x][y] : new_element);
14011
14012         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
14013         {
14014           if (sx < border_from_x)
14015             border_from_x = sx;
14016           else if (sx > border_to_x)
14017             border_to_x = sx;
14018           if (sy < border_from_y)
14019             border_from_y = sy;
14020           else if (sy > border_to_y)
14021             border_to_y = sy;
14022
14023           DrawBrushElement(sx, sy, element, change_level);
14024         }
14025       }
14026     }
14027
14028     if (mode != CB_DELETE_OLD_CURSOR)
14029       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
14030
14031     last_cursor_x = cursor_x;
14032     last_cursor_y = cursor_y;
14033
14034     delete_old_brush = TRUE;
14035   }
14036   else if (mode == CB_FLIP_BRUSH_X)
14037   {
14038     for (y = 0; y < brush_height; y++)
14039       for (x = 0; x < (brush_width + 1) / 2; x++)
14040         SwapFlippedTiles(&brush_buffer[x][y],
14041                          &brush_buffer[brush_width - x - 1][y], mode);
14042
14043     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
14044   }
14045   else if (mode == CB_FLIP_BRUSH_Y)
14046   {
14047     for (y = 0; y < (brush_height + 1) / 2; y++)
14048       for (x = 0; x < brush_width; x++)
14049         SwapFlippedTiles(&brush_buffer[x][y],
14050                          &brush_buffer[x][brush_height - y - 1], mode);
14051
14052     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
14053   }
14054   else if (mode == CB_FLIP_BRUSH_XY)
14055   {
14056     CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
14057
14058     for (y = 0; y < MAX(brush_width, brush_height); y++)
14059       for (x = 0; x <= y; x++)
14060         SwapFlippedTiles(&brush_buffer[x][y],
14061                          &brush_buffer[y][x], mode);
14062
14063     swap_numbers(&brush_width, &brush_height);
14064
14065     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
14066   }
14067
14068   if (mode == CB_UPDATE_BRUSH_POSITION)
14069   {
14070     last_cursor_x = from_x;
14071     last_cursor_y = from_y;
14072   }
14073 }
14074
14075 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
14076                             int button)
14077 {
14078   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
14079 }
14080
14081 static void CopyBrushToLevel(int x, int y, int button)
14082 {
14083   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
14084 }
14085
14086 static void CopyBrushToCursor(int x, int y)
14087 {
14088   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
14089 }
14090
14091 static void UpdateBrushPosition(int x, int y)
14092 {
14093   CopyBrushExt(x, y, 0, 0, 0, CB_UPDATE_BRUSH_POSITION);
14094 }
14095
14096 static void DeleteBrushFromCursor(void)
14097 {
14098   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
14099 }
14100
14101 static void FlipBrushX(void)
14102 {
14103   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_X);
14104 }
14105
14106 static void FlipBrushY(void)
14107 {
14108   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_Y);
14109 }
14110
14111 static void RotateBrush(void)
14112 {
14113   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_XY);
14114   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_X);
14115 }
14116
14117 void DumpBrush(void)
14118 {
14119   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
14120 }
14121
14122 void DumpBrush_Small(void)
14123 {
14124   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
14125 }
14126
14127 void CopyClipboardToBrush(void)
14128 {
14129   CopyBrushExt(0, 0, 0, 0, 0, CB_CLIPBOARD_TO_BRUSH);
14130 }
14131
14132 void CopyBrushToClipboard(void)
14133 {
14134   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD);
14135 }
14136
14137 void CopyBrushToClipboard_Small(void)
14138 {
14139   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD_SMALL);
14140 }
14141
14142 void UndoLevelEditorOperation(void)
14143 {
14144   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], -1);
14145 }
14146
14147 void RedoLevelEditorOperation(void)
14148 {
14149   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
14150 }
14151
14152 static void FloodFill(int from_x, int from_y, int fill_element)
14153 {
14154   FloodFillLevel(from_x, from_y, fill_element, Tile, lev_fieldx, lev_fieldy);
14155 }
14156
14157 static void FloodFillWall_MM(int from_sx2, int from_sy2, int fill_element)
14158 {
14159   int from_x = from_sx2 + 2 * level_xpos;
14160   int from_y = from_sy2 + 2 * level_ypos;
14161   int max_fillx = lev_fieldx * 2;
14162   int max_filly = lev_fieldy * 2;
14163   short Fill[max_fillx][max_filly];
14164   int x, y;
14165
14166   for (x = 0; x < max_fillx; x++)
14167     for (y = 0; y < max_filly; y++)
14168       Fill[x][y] = getLevelElementHiRes(x, y);
14169
14170   FloodFillLevelExt(from_x, from_y, fill_element, max_fillx, max_filly,
14171                     Fill, max_fillx, max_filly);
14172
14173   for (x = 0; x < max_fillx; x++)
14174     for (y = 0; y < max_filly; y++)
14175       if (Fill[x][y] == fill_element)
14176         SetLevelElementHiRes(x, y, Fill[x][y]);
14177 }
14178
14179 // values for DrawLevelText() modes
14180 #define TEXT_INIT               0
14181 #define TEXT_SETCURSOR          1
14182 #define TEXT_WRITECHAR          2
14183 #define TEXT_BACKSPACE          3
14184 #define TEXT_NEWLINE            4
14185 #define TEXT_END                5
14186 #define TEXT_QUERY_TYPING       6
14187
14188 static int DrawLevelText(int sx, int sy, char letter, int mode)
14189 {
14190   static short delete_buffer[MAX_LEV_FIELDX];
14191   static int start_sx;
14192   static int last_sx, last_sy;
14193   static boolean typing = FALSE;
14194   int letter_element;
14195   int lx = 0, ly = 0;
14196
14197   // map lower case letters to upper case and convert special characters
14198   if (letter >= 'a' && letter <= 'z')
14199     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
14200   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
14201     letter_element = EL_CHAR_AUMLAUT;
14202   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
14203     letter_element = EL_CHAR_OUMLAUT;
14204   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
14205     letter_element = EL_CHAR_UUMLAUT;
14206   else if (letter == '^')
14207     letter_element = EL_CHAR_COPYRIGHT;
14208   else
14209     letter_element = EL_CHAR_ASCII0 + letter;
14210
14211   if (mode != TEXT_INIT)
14212   {
14213     if (!typing)
14214       return FALSE;
14215
14216     if (mode != TEXT_SETCURSOR)
14217     {
14218       sx = last_sx;
14219       sy = last_sy;
14220     }
14221
14222     lx = last_sx + level_xpos;
14223     ly = last_sy + level_ypos;
14224   }
14225
14226   switch (mode)
14227   {
14228     case TEXT_INIT:
14229       if (typing)
14230         DrawLevelText(0, 0, 0, TEXT_END);
14231
14232       typing = TRUE;
14233       start_sx = sx;
14234       last_sx = sx;
14235       last_sy = sy;
14236       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
14237       break;
14238
14239     case TEXT_SETCURSOR:
14240       DrawEditorElement(last_sx, last_sy, Tile[lx][ly]);
14241       DrawAreaBorder(sx, sy, sx, sy);
14242       StartTextInput(SX + sx * ed_tilesize, SY + sy * ed_tilesize,
14243                      ed_tilesize, ed_tilesize);
14244       last_sx = sx;
14245       last_sy = sy;
14246       break;
14247
14248     case TEXT_WRITECHAR:
14249       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
14250       {
14251         if (new_element1 >= EL_STEEL_CHAR_START &&
14252             new_element1 <= EL_STEEL_CHAR_END)
14253           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
14254
14255         delete_buffer[sx - start_sx] = Tile[lx][ly];
14256         Tile[lx][ly] = letter_element;
14257
14258         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
14259           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
14260         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
14261           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
14262         else
14263           DrawLevelText(0, 0, 0, TEXT_END);
14264
14265         level.changed = TRUE;
14266       }
14267       break;
14268
14269     case TEXT_BACKSPACE:
14270       if (sx > start_sx)
14271       {
14272         Tile[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
14273         DrawEditorElement(sx - 1, sy, Tile[lx - 1][ly]);
14274         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
14275       }
14276       break;
14277
14278     case TEXT_NEWLINE:
14279       if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
14280         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
14281       else
14282         DrawLevelText(0, 0, 0, TEXT_END);
14283       break;
14284
14285     case TEXT_END:
14286       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14287       DrawEditorElement(sx, sy, Tile[lx][ly]);
14288       StopTextInput();
14289       typing = FALSE;
14290       break;
14291
14292     case TEXT_QUERY_TYPING:
14293       break;
14294
14295     default:
14296       break;
14297   }
14298
14299   return typing;
14300 }
14301
14302 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
14303                           int element, boolean change_level)
14304 {
14305   int lx = sx + level_xpos;
14306   int ly = sy + level_ypos;
14307
14308   if (element == -1)
14309     DrawEditorElement(sx, sy, Tile[lx][ly]);
14310   else
14311     DrawAreaBorder(sx, sy, sx, sy);
14312 }
14313
14314 static void CheckLevelBorderElement(boolean redraw_playfield)
14315 {
14316   int last_border_element = BorderElement;
14317
14318   SetBorderElement();
14319
14320   if (redraw_playfield && BorderElement != last_border_element)
14321     DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14322 }
14323
14324 static void CopyLevelToUndoBuffer(int mode)
14325 {
14326   static boolean accumulated_undo = FALSE;
14327   boolean new_undo_buffer_position = TRUE;
14328   int x, y;
14329
14330   if (undo_buffer_steps == 0)
14331     accumulated_undo = FALSE;
14332
14333   switch (mode)
14334   {
14335     case UNDO_IMMEDIATE:
14336       accumulated_undo = FALSE;
14337       break;
14338
14339     case UNDO_ACCUMULATE:
14340       if (accumulated_undo)
14341         new_undo_buffer_position = FALSE;
14342       accumulated_undo = TRUE;
14343       break;
14344
14345     default:
14346       break;
14347   }
14348
14349   if (new_undo_buffer_position)
14350   {
14351     // advance position in undo buffer ring
14352     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
14353
14354     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
14355       undo_buffer_steps++;
14356   }
14357
14358   // always reset redo buffer when storing level change into undo buffer
14359   redo_buffer_steps = 0;
14360
14361   for (x = 0; x < lev_fieldx; x++)
14362     for (y = 0; y < lev_fieldy; y++)
14363       UndoBuffer[undo_buffer_position][x][y] = Tile[x][y];
14364
14365   // check if drawing operation forces change of border style
14366   CheckLevelBorderElement(TRUE);
14367
14368   level.changed = TRUE;
14369 }
14370
14371 static void RandomPlacement(int new_element)
14372 {
14373   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
14374   int num_free_positions = 0;
14375   int num_percentage, num_elements;
14376   int x, y;
14377
14378   ResetIntelliDraw();
14379
14380   // determine number of free positions for randomly placing the new element
14381   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
14382   {
14383     free_position[x][y] =
14384       (random_placement_background_restricted ?
14385        Tile[x][y] == random_placement_background_element :
14386        Tile[x][y] != new_element);
14387
14388     if (free_position[x][y])
14389       num_free_positions++;
14390   }
14391
14392   // determine number of new elements to place there
14393   num_percentage = num_free_positions * random_placement_value / 100;
14394   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
14395                   num_percentage : random_placement_value);
14396
14397   // if less free positions than elements to place, fill all these positions
14398   if (num_free_positions < num_elements)
14399   {
14400     for (x = 0; x < lev_fieldx; x++)
14401       for (y = 0; y < lev_fieldy; y++)
14402         if (free_position[x][y])
14403           SetElement(x, y, new_element);
14404   }
14405   else
14406   {
14407     while (num_elements > 0)
14408     {
14409       x = GetSimpleRandom(lev_fieldx);
14410       y = GetSimpleRandom(lev_fieldy);
14411
14412       // don't place element at the same position twice
14413       if (free_position[x][y])
14414       {
14415         free_position[x][y] = FALSE;
14416         SetElement(x, y, new_element);
14417         num_elements--;
14418       }
14419     }
14420   }
14421
14422   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14423   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14424 }
14425
14426 static void WrapLevel(int dx, int dy)
14427 {
14428   int wrap_dx = lev_fieldx - dx;
14429   int wrap_dy = lev_fieldy - dy;
14430   int x, y;
14431
14432   for (x = 0; x < lev_fieldx; x++)
14433     for (y = 0; y < lev_fieldy; y++)
14434       TileBackup[x][y] = Tile[x][y];
14435
14436   for (x = 0; x < lev_fieldx; x++)
14437     for (y = 0; y < lev_fieldy; y++)
14438       Tile[x][y] =
14439         TileBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
14440
14441   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14442   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
14443 }
14444
14445 static void DrawAreaElementHighlight(boolean highlighted,
14446                                      boolean highlighted_similar)
14447 {
14448   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14449
14450   if (!highlighted)
14451     return;
14452
14453   int x, y;
14454
14455   for (x = 0; x < ed_fieldx; x++)
14456   {
14457     for (y = 0; y < ed_fieldy; y++)
14458     {
14459       boolean highlight = FALSE;
14460       int lx = x + level_xpos;
14461       int ly = y + level_ypos;
14462
14463       if (!IN_LEV_FIELD(lx, ly))
14464         continue;
14465
14466       // check if element is the same
14467       if (Tile[lx][ly] == new_element1)
14468         highlight = TRUE;
14469
14470       // check if element is similar
14471       if (highlighted_similar &&
14472           strEqual(element_info[Tile[lx][ly]].class_name,
14473                    element_info[new_element1].class_name))
14474         highlight = TRUE;
14475
14476       // check if element is matching MM style wall
14477       if (IS_MM_WALL(Tile[lx][ly]) &&
14478           map_mm_wall_element(Tile[lx][ly]) == new_element1)
14479         highlight = TRUE;
14480
14481       if (!highlight)
14482         continue;
14483
14484       if (IS_MM_WALL(Tile[lx][ly]) && !highlighted_similar)
14485       {
14486         int i;
14487
14488         for (i = 0; i < 4; i++)
14489         {
14490           if (!(MM_WALL_BITS(Tile[lx][ly]) & (1 << i)))
14491             continue;
14492
14493           int xx = x * 2 + (i % 2);
14494           int yy = y * 2 + (i / 2);
14495           int sx = SX + xx * ed_tilesize / 2;
14496           int sy = SY + yy * ed_tilesize / 2;
14497           int from_sx = sx;
14498           int from_sy = sy;
14499           int to_sx = sx + ed_tilesize / 2 - 1;
14500           int to_sy = sy + ed_tilesize / 2 - 1;
14501
14502           DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx,   from_sy);
14503           DrawSimpleWhiteLine(drawto, to_sx,   from_sy, to_sx,   to_sy);
14504           DrawSimpleWhiteLine(drawto, to_sx,   to_sy,   from_sx, to_sy);
14505           DrawSimpleWhiteLine(drawto, from_sx, to_sy,   from_sx, from_sy);
14506         }
14507       }
14508       else
14509       {
14510         int sx = SX + x * ed_tilesize;
14511         int sy = SY + y * ed_tilesize;
14512         int from_sx = sx;
14513         int from_sy = sy;
14514         int to_sx = sx + ed_tilesize - 1;
14515         int to_sy = sy + ed_tilesize - 1;
14516
14517         DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx,   from_sy);
14518         DrawSimpleWhiteLine(drawto, to_sx,   from_sy, to_sx,   to_sy);
14519         DrawSimpleWhiteLine(drawto, to_sx,   to_sy,   from_sx, to_sy);
14520         DrawSimpleWhiteLine(drawto, from_sx, to_sy,   from_sx, from_sy);
14521       }
14522     }
14523   }
14524 }
14525
14526 static void CopyLevelTemplateToUserLevelSet(char *levelset_subdir)
14527 {
14528   char *template_filename_old = getLocalLevelTemplateFilename();
14529   char *template_filename_new =
14530     getPath2(getUserLevelDir(levelset_subdir), LEVELTEMPLATE_FILENAME);
14531
14532   if (copyFile(template_filename_old, template_filename_new) != 0)
14533     Request("Cannot copy level template!", REQ_CONFIRM);
14534
14535   free(template_filename_new);
14536 }
14537
14538 static void HandleDrawingAreas(struct GadgetInfo *gi)
14539 {
14540   static boolean started_inside_drawing_area = FALSE;
14541   static int last_sx = -1;
14542   static int last_sy = -1;
14543   static int last_sx2 = -1;
14544   static int last_sy2 = -1;
14545   int id = gi->custom_id;
14546   int type_id = gi->custom_type_id;
14547   boolean button_press_event;
14548   boolean button_release_event;
14549   boolean inside_drawing_area = !gi->event.off_borders;
14550   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
14551   int actual_drawing_function;
14552   int button = gi->event.button;
14553   int new_element = BUTTON_ELEMENT(button);
14554   int sx = gi->event.x, sy = gi->event.y;
14555   int min_sx = 0, min_sy = 0;
14556   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
14557   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
14558   int mini_item_xsize = item_xsize / 2, mini_item_ysize = item_ysize / 2;
14559   int sx2 = gi->event.mx / mini_item_xsize;
14560   int sy2 = gi->event.my / mini_item_ysize;
14561   int dx = sx2 % 2;
14562   int dy = sy2 % 2;
14563   int lx = 0, ly = 0;
14564   int x, y;
14565
14566   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
14567   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
14568
14569   // make sure to stay inside drawing area boundaries
14570   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
14571   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
14572
14573   if (draw_level)
14574   {
14575     int min_lx = 0, min_ly = 0;
14576     int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
14577
14578     // get positions inside level field
14579     lx = sx + level_xpos;
14580     ly = sy + level_ypos;
14581
14582     if (!IN_LEV_FIELD(lx, ly))
14583       inside_drawing_area = FALSE;
14584
14585     // make sure to stay inside level field boundaries
14586     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
14587     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
14588
14589     // correct drawing area positions accordingly
14590     sx = lx - level_xpos;
14591     sy = ly - level_ypos;
14592   }
14593
14594   // also correct MM wall-sized (double) drawing area positions accordingly
14595   if (sx2 / 2 < sx || sx2 / 2 > sx)
14596   {
14597     dx = (sx2 / 2 < sx ? 0 : 1);
14598     sx2 = sx * 2 + dx;
14599   }
14600   if (sy2 / 2 < sy || sy2 / 2 > sy)
14601   {
14602     dy = (sy2 / 2 < sy ? 0 : 1);
14603     sy2 = sy * 2 + dy;
14604   }
14605
14606   if (!button_press_event && !button_release_event)
14607   {
14608     int old_element = (IN_LEV_FIELD(lx, ly) ? Tile[lx][ly] : EL_UNDEFINED);
14609     boolean hires_drawing = (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
14610                              isHiresTileElement(old_element) &&
14611                              isHiresDrawElement(new_element));
14612
14613     // prevent handling events for every pixel position when moving mouse
14614     if ((sx == last_sx && sy == last_sy && !hires_drawing) ||
14615         (sx2 == last_sx2 && sy2 == last_sy2))
14616       return;
14617   }
14618
14619   last_sx = sx;
14620   last_sy = sy;
14621   last_sx2 = sx2;
14622   last_sy2 = sy2;
14623
14624   if (button_press_event)
14625     started_inside_drawing_area = inside_drawing_area;
14626
14627   if (!started_inside_drawing_area)
14628     return;
14629
14630   if (!IS_VALID_BUTTON(button))
14631     return;
14632
14633   // handle info callback for each invocation of action callback
14634   gi->callback_info(gi);
14635
14636   // automatically switch to 'single item' drawing mode, if needed
14637   actual_drawing_function =
14638     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
14639      drawing_function : GADGET_ID_SINGLE_ITEMS);
14640
14641   // clicking into drawing area with pressed Control key picks element
14642   if (GetKeyModState() & KMOD_Control)
14643   {
14644     last_drawing_function = drawing_function;
14645     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
14646   }
14647
14648   if (GetKeyModState() & KMOD_Shift)
14649   {
14650     if (button_press_event || button_release_event)
14651       ResetIntelliDraw();
14652   }
14653
14654   SetDrawModeHiRes(-1);         // reset to normal draw mode
14655
14656   switch (actual_drawing_function)
14657   {
14658     case GADGET_ID_SINGLE_ITEMS:
14659       if (draw_level)
14660       {
14661         if (button_release_event)
14662         {
14663           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14664
14665           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
14666               !inside_drawing_area)
14667             DeleteBrushFromCursor();
14668
14669           break;
14670         }
14671
14672         if (draw_with_brush)
14673         {
14674           CopyBrushToLevel(sx, sy, button);
14675         }
14676         else
14677         {
14678           SetDrawModeHiRes(new_element);
14679
14680           if (IS_PLAYER_ELEMENT(new_element) || IS_MM_MCDUFFIN(new_element))
14681           {
14682             // remove player at old position
14683             for (y = 0; y < lev_fieldy; y++)
14684             {
14685               for (x = 0; x < lev_fieldx; x++)
14686               {
14687                 int old_element = Tile[x][y];
14688
14689                 if (IS_PLAYER_ELEMENT(old_element) &&
14690                     IS_PLAYER_ELEMENT(new_element))
14691                 {
14692                   int replaced_with_element =
14693                     (old_element == EL_SOKOBAN_FIELD_PLAYER &&
14694                      new_element == EL_PLAYER_1 ? EL_SOKOBAN_FIELD_EMPTY :
14695
14696                      old_element == EL_SOKOBAN_FIELD_PLAYER &&
14697                      new_element == old_element ? EL_SOKOBAN_FIELD_EMPTY :
14698
14699                      new_element == EL_SOKOBAN_FIELD_PLAYER &&
14700                      old_element == EL_PLAYER_1 ? EL_EMPTY :
14701
14702                      new_element >= EL_PLAYER_1 &&
14703                      new_element <= EL_PLAYER_4 &&
14704                      new_element == old_element ? EL_EMPTY :
14705
14706                      old_element);
14707
14708                   SetElement(x, y, replaced_with_element);
14709                 }
14710                 else if (IS_MM_MCDUFFIN(old_element) &&
14711                          IS_MM_MCDUFFIN(new_element))
14712                 {
14713                   // remove McDuffin at old position
14714                   SetElement(x, y, EL_EMPTY);
14715                 }
14716               }
14717             }
14718           }
14719
14720           SetElementButton(lx, ly, dx, dy, new_element, button);
14721         }
14722       }
14723       else if (!button_release_event)
14724       {
14725         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
14726
14727         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
14728           DrawMiniGraphicExt(drawto,
14729                              gi->x + sx * MINI_TILEX,
14730                              gi->y + sy * MINI_TILEY,
14731                              el2edimg(new_element));
14732         else
14733           DrawFixedGraphicExt(drawto,
14734                               gi->x + sx * TILEX,
14735                               gi->y + sy * TILEY,
14736                               el2edimg(new_element), 0);
14737
14738         if (id == GADGET_ID_CUSTOM_GRAPHIC)
14739           new_element = GFX_ELEMENT(new_element);
14740
14741         drawingarea_info[type_id].value[pos] = new_element;
14742
14743         CopyElementPropertiesToGame(properties_element);
14744
14745         if (id == GADGET_ID_CUSTOM_GRAPHIC)
14746         {
14747           UpdateCustomElementGraphicGadgets();
14748
14749           FrameCounter = 0;     // restart animation frame counter
14750         }
14751       }
14752       break;
14753
14754     case GADGET_ID_CONNECTED_ITEMS:
14755       {
14756         static int last_sx = -1;
14757         static int last_sy = -1;
14758
14759         if (button_release_event)
14760           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14761
14762         SetDrawModeHiRes(new_element);
14763
14764         if (getDrawModeHiRes())
14765         {
14766           sx = sx2;
14767           sy = sy2;
14768         }
14769
14770         if (!button_press_event)
14771           DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
14772
14773         last_sx = sx;
14774         last_sy = sy;
14775       }
14776       break;
14777
14778     case GADGET_ID_LINE:
14779     case GADGET_ID_ARC:
14780     case GADGET_ID_RECTANGLE:
14781     case GADGET_ID_FILLED_BOX:
14782       SetDrawModeHiRes(new_element);
14783
14784       if (getDrawModeHiRes())
14785       {
14786         sx = sx2;
14787         sy = sy2;
14788       }
14789       // FALLTHROUGH
14790     case GADGET_ID_GRAB_BRUSH:
14791     case GADGET_ID_TEXT:
14792       {
14793         static int last_sx = -1;
14794         static int last_sy = -1;
14795         static int start_sx = -1;
14796         static int start_sy = -1;
14797         void (*draw_func)(int, int, int, int, int, boolean);
14798
14799         if (drawing_function == GADGET_ID_LINE)
14800           draw_func = DrawLine;
14801         else if (drawing_function == GADGET_ID_ARC)
14802           draw_func = DrawArc;
14803         else if (drawing_function == GADGET_ID_RECTANGLE)
14804           draw_func = DrawBox;
14805         else if (drawing_function == GADGET_ID_FILLED_BOX)
14806           draw_func = DrawFilledBox;
14807         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
14808           draw_func = SelectArea;
14809         else // (drawing_function == GADGET_ID_TEXT)
14810           draw_func = SetTextCursor;
14811
14812         if (button_press_event)
14813         {
14814           draw_func(sx, sy, sx, sy, new_element, FALSE);
14815           start_sx = last_sx = sx;
14816           start_sy = last_sy = sy;
14817
14818           if (drawing_function == GADGET_ID_TEXT)
14819             DrawLevelText(0, 0, 0, TEXT_END);
14820         }
14821         else if (button_release_event)
14822         {
14823           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
14824           if (drawing_function == GADGET_ID_GRAB_BRUSH)
14825           {
14826             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
14827             CopyBrushToCursor(sx, sy);
14828             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
14829                           MB_LEFTBUTTON);
14830             draw_with_brush = TRUE;
14831           }
14832           else if (drawing_function == GADGET_ID_TEXT)
14833             DrawLevelText(sx, sy, 0, TEXT_INIT);
14834           else
14835             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14836         }
14837         else if (last_sx != sx || last_sy != sy)
14838         {
14839           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
14840           if (IS_MM_WALL_EDITOR(new_element))   // clear wall background
14841             draw_func(start_sx, start_sy, sx, sy, EL_EMPTY, FALSE);
14842           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
14843           last_sx = sx;
14844           last_sy = sy;
14845         }
14846       }
14847       break;
14848
14849     case GADGET_ID_FLOOD_FILL:
14850       if (button_press_event && Tile[lx][ly] != new_element)
14851       {
14852         if (IS_MM_WALL_EDITOR(new_element))
14853           FloodFillWall_MM(sx2, sy2, new_element);
14854         else
14855           FloodFill(lx, ly, new_element);
14856
14857         DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14858         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14859       }
14860       break;
14861
14862     case GADGET_ID_PICK_ELEMENT:
14863       if (button_release_event)
14864         ClickOnGadget(level_editor_gadget[last_drawing_function],
14865                       MB_LEFTBUTTON);
14866       else if (draw_level)
14867         PickDrawingElement(button, Tile[lx][ly]);
14868       else
14869       {
14870         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
14871
14872         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
14873       }
14874
14875     default:
14876       break;
14877   }
14878
14879   // do not mark level as modified for certain non-level-changing gadgets
14880   if ((type_id >= ED_DRAWING_ID_EDITOR_FIRST &&
14881        type_id <= ED_DRAWING_ID_EDITOR_LAST) ||
14882       actual_drawing_function == GADGET_ID_GRAB_BRUSH ||
14883       actual_drawing_function == GADGET_ID_PICK_ELEMENT)
14884     return;
14885
14886   level.changed = TRUE;
14887 }
14888
14889 static void HandleCounterButtons(struct GadgetInfo *gi)
14890 {
14891   int gadget_id = gi->custom_id;
14892   int counter_id = gi->custom_type_id;
14893   int button = gi->event.button;
14894   int *counter_value = counterbutton_info[counter_id].value;
14895   int step = BUTTON_STEPSIZE(button) *
14896     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
14897
14898   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
14899   {
14900     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
14901     boolean released = (gi->event.type == GD_EVENT_RELEASED);
14902     boolean level_changed = LevelChanged();
14903
14904     if ((level_changed && pressed) || (!level_changed && released))
14905       return;
14906
14907     if (level_changed && !Request("Level has changed! Discard changes?",
14908                                   REQ_ASK))
14909     {
14910       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
14911         ModifyEditorCounterValue(counter_id, *counter_value);
14912
14913       return;
14914     }
14915   }
14916
14917   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
14918     *counter_value = gi->textinput.number_value;
14919   else
14920     ModifyEditorCounterValue(counter_id, *counter_value + step);
14921
14922   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
14923   {
14924     int last_game_engine_type = level.game_engine_type;
14925
14926     LoadLevel(level_nr);
14927     LoadScore(level_nr);
14928
14929     SaveLevelSetup_SeriesInfo();
14930
14931     TapeErase();
14932
14933     ResetUndoBuffer();
14934     DrawEditModeWindow();
14935
14936     if (level.game_engine_type != last_game_engine_type)
14937     {
14938       // update element selection list
14939       ReinitializeElementList();
14940       ModifyEditorElementList();
14941     }
14942
14943     return;
14944   }
14945
14946   switch (counter_id)
14947   {
14948     case ED_COUNTER_ID_YAMYAM_CONTENT:
14949       DrawYamYamContentAreas();
14950       break;
14951
14952     case ED_COUNTER_ID_BALL_CONTENT:
14953       DrawMagicBallContentAreas();
14954       break;
14955
14956     case ED_COUNTER_ID_ANDROID_CONTENT:
14957       DrawAndroidElementArea();
14958       break;
14959
14960     case ED_COUNTER_ID_GROUP_CONTENT:
14961       DrawGroupElementArea();
14962       CopyGroupElementPropertiesToGame(properties_element);
14963       break;
14964
14965     case ED_COUNTER_ID_INVENTORY_SIZE:
14966       DrawPlayerInitialInventoryArea(properties_element);
14967       break;
14968
14969     case ED_COUNTER_ID_MM_BALL_CONTENT:
14970       DrawMMBallContentArea();
14971       break;
14972
14973     case ED_COUNTER_ID_ENVELOPE_XSIZE:
14974     case ED_COUNTER_ID_ENVELOPE_YSIZE:
14975       DrawEnvelopeTextArea(-1);
14976       break;
14977
14978     case ED_COUNTER_ID_LEVEL_XSIZE:
14979     case ED_COUNTER_ID_LEVEL_YSIZE:
14980       lev_fieldx = level.fieldx;
14981       lev_fieldy = level.fieldy;
14982
14983       // check if resizing of level results in change of border border
14984       SetBorderElement();
14985
14986       break;
14987
14988     default:
14989       break;
14990   }
14991
14992   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
14993        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
14994       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
14995        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
14996     CopyElementPropertiesToGame(properties_element);
14997
14998   // do not mark level as modified for certain non-level-changing gadgets
14999   if ((counter_id >= ED_COUNTER_ID_LEVELSET_FIRST &&
15000        counter_id <= ED_COUNTER_ID_LEVELSET_LAST) ||
15001       (counter_id >= ED_COUNTER_ID_EDITOR_FIRST &&
15002        counter_id <= ED_COUNTER_ID_EDITOR_LAST))
15003     return;
15004
15005   level.changed = TRUE;
15006 }
15007
15008 static void HandleTextInputGadgets(struct GadgetInfo *gi)
15009 {
15010   int type_id = gi->custom_type_id;
15011
15012   strcpy(textinput_info[type_id].value, gi->textinput.value);
15013
15014   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
15015   {
15016     CopyElementPropertiesToGame(properties_element);
15017
15018     ModifyEditorElementList();  // update changed button info text
15019   }
15020
15021   // do not mark level as modified for certain non-level-changing gadgets
15022   if (type_id >= ED_TEXTINPUT_ID_LEVELSET_FIRST &&
15023       type_id <= ED_TEXTINPUT_ID_LEVELSET_LAST)
15024     return;
15025
15026   level.changed = TRUE;
15027 }
15028
15029 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
15030 {
15031   int type_id = gi->custom_type_id;
15032
15033   strncpy(textarea_info[type_id].value, gi->textarea.value,
15034           MAX_ENVELOPE_TEXT_LEN);
15035   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
15036
15037   level.changed = TRUE;
15038 }
15039
15040 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
15041 {
15042   int type_id = gi->custom_type_id;
15043   int value_old = *selectbox_info[type_id].value;
15044   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
15045
15046   *selectbox_info[type_id].value = value_new;
15047
15048   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE)
15049   {
15050     DrawLevelConfigWindow();
15051   }
15052   else if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
15053   {
15054     element_info[properties_element].current_change_page = gi->selectbox.index;
15055
15056     DrawPropertiesWindow();
15057   }
15058   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
15059             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
15060            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
15061             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
15062            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
15063   {
15064     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
15065     {
15066       // when changing action type, also check action mode and action arg
15067       if (value_old != value_new)
15068         setSelectboxSpecialActionVariablesIfNeeded();
15069
15070       DrawPropertiesChange();
15071     }
15072
15073     CopyElementPropertiesToGame(properties_element);
15074   }
15075   else if (type_id == ED_SELECTBOX_ID_GAME_ENGINE_TYPE)
15076   {
15077     // show or hide "engine" tabulator depending on game engine type
15078     DrawLevelConfigWindow();
15079
15080     // update element selection list depending on game engine type
15081     ReinitializeElementList();
15082     ModifyEditorElementList();
15083   }
15084   else if (type_id == ED_SELECTBOX_ID_BD_SCHEDULING_TYPE)
15085   {
15086     // update BD cycle delay counter gadgets depending on BD scheduling type
15087     DrawLevelConfigWindow();
15088   }
15089
15090   // do not mark level as modified for certain non-level-changing gadgets
15091   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE ||
15092       type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
15093     return;
15094
15095   level.changed = TRUE;
15096 }
15097
15098 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
15099 {
15100   int type_id = gi->custom_type_id;
15101   int i;
15102
15103   if (type_id >= ED_TAB_BUTTON_ID_LEVELCONFIG_FIRST &&
15104       type_id <= ED_TAB_BUTTON_ID_LEVELCONFIG_LAST)
15105   {
15106     edit_mode_levelconfig = gi->custom_type_id;
15107
15108     DrawLevelConfigWindow();
15109   }
15110   else if (type_id >= ED_TAB_BUTTON_ID_PROPERTIES_FIRST &&
15111            type_id <= ED_TAB_BUTTON_ID_PROPERTIES_LAST)
15112   {
15113     edit_mode_properties = gi->custom_type_id;
15114
15115     DrawPropertiesWindow();
15116   }
15117   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1 ||
15118            type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2)
15119   {
15120     boolean new_template = !fileExists(getLocalLevelTemplateFilename());
15121
15122     // backup original "level.field" (needed to track playfield changes)
15123     CopyPlayfield(level.field, TileBackup);
15124
15125     // "SaveLevelTemplate()" uses "level.field", so copy editor playfield
15126     CopyPlayfield(Tile, level.field);
15127
15128     if (new_template ||
15129         Request("Save this template and kill the old?", REQ_ASK))
15130       SaveLevelTemplate();
15131
15132     if (new_template)
15133       Request("Template saved!", REQ_CONFIRM);
15134
15135     // restore original "level.field" (needed to track playfield changes)
15136     CopyPlayfield(TileBackup, level.field);
15137   }
15138   else if (type_id == ED_TEXTBUTTON_ID_SAVE_LEVELSET)
15139   {
15140     char *levelset_subdir = getLevelSubdirFromSaveMode(levelset_save_mode);
15141
15142     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE &&
15143         leveldir_current->readonly)
15144     {
15145       Request("This level set is read-only!", REQ_CONFIRM);
15146
15147       return;
15148     }
15149
15150     if (strEqual(levelset_name, ""))
15151     {
15152       Request("Please enter level set title!", REQ_CONFIRM);
15153
15154       return;
15155     }
15156
15157     if (strEqual(levelset_author, ""))
15158     {
15159       Request("Please enter level set author!", REQ_CONFIRM);
15160
15161       return;
15162     }
15163
15164     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE)
15165     {
15166       if (UpdateUserLevelSet(levelset_subdir,
15167                              levelset_name,
15168                              levelset_author,
15169                              levelset_num_levels))
15170       {
15171         Request("Level set updated!", REQ_CONFIRM);
15172       }
15173       else
15174       {
15175         Request("Updating level set failed!", REQ_CONFIRM);
15176       }
15177     }
15178     else if (levelset_save_mode == LEVELSET_SAVE_MODE_CREATE)
15179     {
15180       if (level.changed && !Request("Level has changed! Discard changes?",
15181                                      REQ_ASK))
15182         return;
15183
15184       if (CreateUserLevelSet(levelset_subdir,
15185                              levelset_name,
15186                              levelset_author,
15187                              levelset_num_levels,
15188                              levelset_use_levelset_artwork))
15189       {
15190         if (levelset_copy_level_template)
15191           CopyLevelTemplateToUserLevelSet(levelset_subdir);
15192
15193         Request("New level set created!", REQ_CONFIRM);
15194
15195         AddUserLevelSetToLevelInfo(levelset_subdir);
15196         ChangeEditorToLevelSet(levelset_subdir);
15197       }
15198       else
15199       {
15200         Request("Creating new level set failed!", REQ_CONFIRM);
15201       }
15202     }
15203   }
15204   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
15205            custom_element.num_change_pages < MAX_CHANGE_PAGES)
15206   {
15207     struct ElementInfo *ei = &element_info[properties_element];
15208
15209     // when modifying custom element, ask for copying level template
15210     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
15211       return;
15212
15213     setElementChangePages(ei, ei->num_change_pages + 1);
15214
15215     // set new change page to be new current change page
15216     ei->current_change_page = ei->num_change_pages - 1;
15217     ei->change = &ei->change_page[ei->current_change_page];
15218
15219     setElementChangeInfoToDefaults(ei->change);
15220
15221     DrawPropertiesWindow();
15222
15223     level.changed = TRUE;
15224   }
15225   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
15226            custom_element.num_change_pages > MIN_CHANGE_PAGES)
15227   {
15228     struct ElementInfo *ei = &element_info[properties_element];
15229
15230     // when modifying custom element, ask for copying level template
15231     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
15232       return;
15233
15234     // copy all change pages after change page to be deleted
15235     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
15236       ei->change_page[i] = ei->change_page[i + 1];
15237
15238     setElementChangePages(ei, ei->num_change_pages - 1);
15239
15240     DrawPropertiesWindow();
15241
15242     level.changed = TRUE;
15243   }
15244 }
15245
15246 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
15247 {
15248   int type_id = gi->custom_type_id;
15249
15250   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
15251       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
15252   {
15253     struct ElementInfo *ei = &element_info[properties_element];
15254     int step = BUTTON_STEPSIZE(gi->event.button);
15255
15256     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
15257     ei->current_change_page += step;
15258
15259     if (ei->current_change_page < 0)
15260       ei->current_change_page = 0;
15261     else if (ei->current_change_page >= ei->num_change_pages)
15262       ei->current_change_page = ei->num_change_pages - 1;
15263
15264     DrawPropertiesWindow();
15265   }
15266   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
15267            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
15268   {
15269     struct ElementInfo *ei = &element_info[properties_element];
15270     int current_change_page = ei->current_change_page;
15271
15272     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
15273     {
15274       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
15275         ei->change_page[current_change_page];
15276     }
15277     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
15278     {
15279       // when modifying custom element, ask for copying level template
15280       if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
15281         return;
15282
15283       ei->change_page[current_change_page] =
15284         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
15285
15286       level.changed = TRUE;
15287     }
15288
15289     DrawPropertiesWindow();
15290   }
15291 }
15292
15293 static void HandleRadiobuttons(struct GadgetInfo *gi)
15294 {
15295   int type_id = gi->custom_type_id;
15296
15297   *radiobutton_info[type_id].value =
15298     radiobutton_info[type_id].checked_value;
15299
15300   // do not mark level as modified for certain non-level-changing gadgets
15301   if (type_id >= ED_RADIOBUTTON_ID_EDITOR_FIRST &&
15302       type_id <= ED_RADIOBUTTON_ID_EDITOR_LAST)
15303     return;
15304
15305   level.changed = TRUE;
15306 }
15307
15308 static void HandleCheckbuttons(struct GadgetInfo *gi)
15309 {
15310   int type_id = gi->custom_type_id;
15311
15312   *checkbutton_info[type_id].value ^= TRUE;
15313
15314   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
15315       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
15316       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
15317       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
15318          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
15319         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
15320          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
15321        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1))
15322   {
15323     CopyElementPropertiesToGame(properties_element);
15324   }
15325
15326   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
15327   {
15328     UpdateCustomElementGraphicGadgets();
15329   }
15330   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1 ||
15331            type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2)
15332   {
15333     boolean template_related_changes_found = FALSE;
15334     int i;
15335
15336     // check if any custom, group or empty elements have been changed
15337     for (i = 0; i < NUM_FILE_ELEMENTS; i++)
15338       if ((IS_CUSTOM_ELEMENT(i) ||
15339            IS_GROUP_ELEMENT(i) ||
15340            IS_EMPTY_ELEMENT(i)) &&
15341           element_info[i].modified_settings)
15342         template_related_changes_found = TRUE;
15343
15344     if (level.use_custom_template &&
15345         !fileExists(getGlobalLevelTemplateFilename()))
15346     {
15347       Request("No level template found!", REQ_CONFIRM);
15348
15349       level.use_custom_template = FALSE;
15350
15351       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
15352
15353       return;
15354     }
15355
15356     if (level.use_custom_template &&
15357         template_related_changes_found &&
15358         !Request("Discard changes and use level template?", REQ_ASK))
15359     {
15360       level.use_custom_template = FALSE;
15361
15362       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
15363
15364       return;
15365     }
15366
15367     if (!level.use_custom_template &&
15368         Request("Copy settings from level template?", REQ_ASK))
15369     {
15370       return;
15371     }
15372
15373     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
15374
15375     DrawEditModeWindow();
15376   }
15377   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3)
15378   {
15379     if (setup.editor.use_template_for_new_levels &&
15380         !fileExists(getGlobalLevelTemplateFilename()))
15381     {
15382       Request("No level template found!", REQ_CONFIRM);
15383
15384       return;
15385     }
15386
15387     if (setup.editor.use_template_for_new_levels &&
15388         level.changed &&
15389         !Request("Discard level and load template?", REQ_ASK))
15390     {
15391       return;
15392     }
15393
15394     if (!setup.editor.use_template_for_new_levels &&
15395         level.changed &&
15396         !Request("Discard level and use empty level?", REQ_ASK))
15397     {
15398       return;
15399     }
15400
15401     LoadLevel(level_nr);
15402     LoadScore(level_nr);
15403
15404     TapeErase();
15405
15406     ResetUndoBuffer();
15407     DrawEditModeWindow();
15408   }
15409   else if (type_id == ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS)
15410   {
15411     SetAutomaticNumberOfGemsNeeded();
15412   }
15413
15414   // do not mark level as modified for certain non-level-changing gadgets
15415   if ((type_id >= ED_CHECKBUTTON_ID_LEVELSET_FIRST &&
15416        type_id <= ED_CHECKBUTTON_ID_LEVELSET_LAST) ||
15417       (type_id >= ED_CHECKBUTTON_ID_EDITOR_FIRST &&
15418        type_id <= ED_CHECKBUTTON_ID_EDITOR_LAST &&
15419        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2) ||
15420       type_id == ED_CHECKBUTTON_ID_STICK_ELEMENT)
15421     return;
15422
15423   level.changed = TRUE;
15424 }
15425
15426 static void HandleControlButtons(struct GadgetInfo *gi)
15427 {
15428   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
15429   static int last_edit_mode = ED_MODE_DRAWING;
15430   static int last_custom_copy_mode = -1;
15431   static int last_button = 0;
15432   int id = gi->custom_id;
15433   int button = gi->event.button;
15434   int step = BUTTON_STEPSIZE(button);
15435   int new_element = BUTTON_ELEMENT(button);
15436   int last_properties_element = properties_element;
15437   int x, y;
15438
15439   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
15440     DrawLevelText(0, 0, 0, TEXT_END);
15441
15442   if (id < ED_NUM_CTRL1_BUTTONS &&
15443       id != GADGET_ID_SINGLE_ITEMS &&
15444       id != GADGET_ID_PICK_ELEMENT &&
15445       edit_mode != ED_MODE_DRAWING &&
15446       drawing_function != GADGET_ID_PICK_ELEMENT &&
15447       !(GetKeyModState() & KMOD_Control))
15448     ChangeEditModeWindow(ED_MODE_DRAWING);
15449
15450   // element copy mode active, but no element button pressed => deactivate
15451   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
15452     last_custom_copy_mode = -1;
15453
15454   // when showing palette on element buttons, change element of button used
15455   if (editor.palette.show_on_element_buttons &&
15456       id >= GADGET_ID_ELEMENT_LEFT && id <= GADGET_ID_ELEMENT_RIGHT)
15457   {
15458     last_button = id - GADGET_ID_ELEMENT_LEFT + 1;
15459
15460     id = GADGET_ID_PALETTE;
15461   }
15462
15463   switch (id)
15464   {
15465     case GADGET_ID_SCROLL_LEFT:
15466       if (level_xpos >= 0)
15467       {
15468         if (lev_fieldx < ed_fieldx - 2)
15469           break;
15470
15471         level_xpos -= step;
15472         if (level_xpos < -1)
15473           level_xpos = -1;
15474         if (button == 1)
15475           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
15476         else
15477           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15478
15479         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
15480                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
15481       }
15482       break;
15483
15484     case GADGET_ID_SCROLL_RIGHT:
15485       if (level_xpos <= lev_fieldx - ed_fieldx)
15486       {
15487         if (lev_fieldx < ed_fieldx - 2)
15488           break;
15489
15490         level_xpos += step;
15491         if (level_xpos > lev_fieldx - ed_fieldx + 1)
15492           level_xpos = lev_fieldx - ed_fieldx + 1;
15493         if (button == 1)
15494           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
15495         else
15496           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15497
15498         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
15499                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
15500       }
15501       break;
15502
15503     case GADGET_ID_SCROLL_UP:
15504       if (level_ypos >= 0)
15505       {
15506         if (lev_fieldy < ed_fieldy - 2)
15507           break;
15508
15509         level_ypos -= step;
15510         if (level_ypos < -1)
15511           level_ypos = -1;
15512         if (button == 1)
15513           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
15514         else
15515           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15516
15517         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
15518                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
15519       }
15520       break;
15521
15522     case GADGET_ID_SCROLL_DOWN:
15523       if (level_ypos <= lev_fieldy - ed_fieldy)
15524       {
15525         if (lev_fieldy < ed_fieldy - 2)
15526           break;
15527
15528         level_ypos += step;
15529         if (level_ypos > lev_fieldy - ed_fieldy + 1)
15530           level_ypos = lev_fieldy - ed_fieldy + 1;
15531         if (button == 1)
15532           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_UP);
15533         else
15534           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15535
15536         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
15537                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
15538       }
15539       break;
15540
15541     case GADGET_ID_SCROLL_HORIZONTAL:
15542       level_xpos = gi->event.item_position - 1;
15543
15544       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15545       BackToFront();
15546
15547       break;
15548
15549     case GADGET_ID_SCROLL_VERTICAL:
15550       level_ypos = gi->event.item_position - 1;
15551
15552       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15553       BackToFront();
15554
15555       break;
15556
15557     case GADGET_ID_SCROLL_LIST_UP:
15558     case GADGET_ID_SCROLL_LIST_DOWN:
15559     case GADGET_ID_SCROLL_LIST_VERTICAL:
15560       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
15561         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
15562       else
15563       {
15564         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
15565         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
15566
15567         if (element_shift < 0)
15568           element_shift = 0;
15569         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
15570           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
15571
15572         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
15573                      GDI_SCROLLBAR_ITEM_POSITION,
15574                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
15575       }
15576
15577       ModifyEditorElementList();
15578
15579       break;
15580
15581     case GADGET_ID_PROPERTIES:
15582       // always switch off element properties when they are already displayed
15583       last_properties_element = new_element;
15584     case GADGET_ID_ELEMENT_LEFT:
15585     case GADGET_ID_ELEMENT_MIDDLE:
15586     case GADGET_ID_ELEMENT_RIGHT:
15587       properties_element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
15588                             id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
15589                             id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 :
15590                             new_element);
15591
15592       if (edit_mode != ED_MODE_PROPERTIES)
15593       {
15594         last_edit_mode = edit_mode;
15595
15596         ChangeEditModeWindow(ED_MODE_PROPERTIES);
15597
15598         last_level_drawing_function = drawing_function;
15599         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
15600                       MB_LEFTBUTTON);
15601       }
15602       else if (properties_element != last_properties_element)
15603       {
15604         DrawEditModeWindow();
15605       }
15606       else
15607       {
15608         ChangeEditModeWindow(ED_MODE_DRAWING);
15609
15610         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
15611                       MB_LEFTBUTTON);
15612       }
15613       break;
15614
15615     case GADGET_ID_PALETTE:
15616       if (edit_mode != ED_MODE_PALETTE)
15617       {
15618         last_edit_mode = edit_mode;
15619
15620         ChangeEditModeWindow(ED_MODE_PALETTE);
15621       }
15622       else
15623       {
15624         ChangeEditModeWindow(last_edit_mode);
15625       }
15626       break;
15627
15628     case GADGET_ID_WRAP_LEFT:
15629       WrapLevel(-step, 0);
15630       break;
15631
15632     case GADGET_ID_WRAP_RIGHT:
15633       WrapLevel(step, 0);
15634       break;
15635
15636     case GADGET_ID_WRAP_UP:
15637       WrapLevel(0, -step);
15638       break;
15639
15640     case GADGET_ID_WRAP_DOWN:
15641       WrapLevel(0, step);
15642       break;
15643
15644     case GADGET_ID_SINGLE_ITEMS:
15645     case GADGET_ID_CONNECTED_ITEMS:
15646     case GADGET_ID_LINE:
15647     case GADGET_ID_ARC:
15648     case GADGET_ID_TEXT:
15649     case GADGET_ID_RECTANGLE:
15650     case GADGET_ID_FILLED_BOX:
15651     case GADGET_ID_FLOOD_FILL:
15652     case GADGET_ID_GRAB_BRUSH:
15653     case GADGET_ID_PICK_ELEMENT:
15654       if (drawing_function != GADGET_ID_PICK_ELEMENT)
15655         last_drawing_function = drawing_function;
15656       drawing_function = id;
15657       draw_with_brush = FALSE;
15658       break;
15659
15660     case GADGET_ID_RANDOM_PLACEMENT:
15661       RandomPlacement(new_element);
15662       break;
15663
15664     case GADGET_ID_ZOOM:
15665       // zoom level editor tile size in or out (or reset to default size)
15666       ed_tilesize = (button == 1 ? ed_tilesize * 2 :
15667                      button == 2 ? ed_tilesize_default :
15668                      button == 3 ? ed_tilesize / 2 : ed_tilesize);
15669
15670       // when using touch device, cycle through all zoom tilesizes
15671       if (runtime.uses_touch_device && ed_tilesize > TILESIZE)
15672         ed_tilesize = MICRO_TILESIZE;
15673
15674       // limit zoom level by upper and lower bound
15675       ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
15676
15677       InitZoomLevelSettings(ed_tilesize);
15678
15679       if (edit_mode == ED_MODE_DRAWING)
15680       {
15681         DrawDrawingWindow();
15682
15683         // redraw zoom gadget info text
15684         PrintEditorGadgetInfoText(level_editor_gadget[id]);
15685       }
15686
15687       // save current editor zoom tilesize
15688       SaveSetup_AutoSetup();
15689
15690       break;
15691
15692     case GADGET_ID_CUSTOM_COPY_FROM:
15693     case GADGET_ID_CUSTOM_COPY_TO:
15694     case GADGET_ID_CUSTOM_EXCHANGE:
15695       last_custom_copy_mode = id;
15696       last_drawing_function = drawing_function;
15697       break;
15698
15699     case GADGET_ID_CUSTOM_COPY:
15700       CopyCustomElement(properties_element, -1, id);
15701       break;
15702
15703     case GADGET_ID_CUSTOM_PASTE:
15704       CopyCustomElement(-1, properties_element, id);
15705       break;
15706
15707     case GADGET_ID_UNDO:
15708       if (button < 0)   // keep button value (even if modifier keys are pressed)
15709         button = -button;
15710       else if (button == 1 && GetKeyModState() & (KMOD_Shift | KMOD_Control))
15711         button = 3;
15712
15713       if (button == 1 && undo_buffer_steps == 0)
15714       {
15715         Request("Undo buffer empty!", REQ_CONFIRM);
15716
15717         break;
15718       }
15719       else if (button == 2)
15720       {
15721         break;
15722       }
15723       else if (button == 3 && redo_buffer_steps == 0)
15724       {
15725         Request("Redo buffer empty!", REQ_CONFIRM);
15726
15727         break;
15728       }
15729
15730       if (edit_mode != ED_MODE_DRAWING)
15731         ChangeEditModeWindow(ED_MODE_DRAWING);
15732
15733       if (button == 1)
15734       {
15735         // undo
15736
15737         undo_buffer_position =
15738           (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
15739
15740         undo_buffer_steps--;
15741         redo_buffer_steps++;
15742       }
15743       else
15744       {
15745         // redo
15746
15747         undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
15748
15749         undo_buffer_steps++;
15750         redo_buffer_steps--;
15751       }
15752
15753       for (x = 0; x < lev_fieldx; x++)
15754         for (y = 0; y < lev_fieldy; y++)
15755           Tile[x][y] = UndoBuffer[undo_buffer_position][x][y];
15756
15757       // check if undo operation forces change of border style
15758       CheckLevelBorderElement(FALSE);
15759
15760       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15761
15762       break;
15763
15764     case GADGET_ID_CONF:
15765       if (edit_mode != ED_MODE_LEVELCONFIG)
15766       {
15767         last_edit_mode = edit_mode;
15768
15769         ChangeEditModeWindow(ED_MODE_LEVELCONFIG);
15770       }
15771       else
15772       {
15773         ChangeEditModeWindow(ED_MODE_DRAWING);
15774       }
15775       break;
15776
15777     case GADGET_ID_CLEAR:
15778       if (edit_mode != ED_MODE_DRAWING)
15779         ChangeEditModeWindow(ED_MODE_DRAWING);
15780
15781       for (x = 0; x < MAX_LEV_FIELDX; x++)
15782         for (y = 0; y < MAX_LEV_FIELDY; y++)
15783           Tile[x][y] = (button == 1 ? EL_EMPTY : new_element);
15784
15785       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
15786
15787       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15788       break;
15789
15790     case GADGET_ID_SAVE:
15791     {
15792       // saving read-only levels into personal level set modifies global vars
15793       // "leveldir_current" and "level_nr"; restore them after saving level
15794       LevelDirTree *leveldir_former = leveldir_current;
15795       int level_nr_former = level_nr;
15796       char *level_filename;
15797       boolean new_level;
15798
15799       if (leveldir_current->readonly &&
15800           !PrepareSavingIntoPersonalLevelSet())
15801         break;
15802
15803       level_filename = getDefaultLevelFilename(level_nr);
15804       new_level = !fileExists(level_filename);
15805
15806       if (new_level ||
15807           Request("Save this level and kill the old?", REQ_ASK))
15808       {
15809         if (leveldir_former->readonly)
15810           ModifyLevelConfigForSavingIntoPersonalLevelSet(leveldir_former->name);
15811
15812         SetAutomaticNumberOfGemsNeeded();
15813
15814         CopyPlayfield(Tile, level.field);
15815         SaveLevel(level_nr);
15816
15817         level.changed = FALSE;
15818
15819         if (new_level)
15820         {
15821           char level_saved_msg[64];
15822
15823           if (leveldir_former->readonly)
15824             sprintf(level_saved_msg,
15825                     "Level saved as level %d into personal level set!",
15826                     level_nr);
15827           else
15828             strcpy(level_saved_msg, "Level saved!");
15829
15830           Request(level_saved_msg, REQ_CONFIRM);
15831         }
15832       }
15833
15834       // "cd" back to copied-from levelset (in case of saved read-only level)
15835       leveldir_current = leveldir_former;
15836       level_nr = level_nr_former;
15837
15838       break;
15839     }
15840
15841     case GADGET_ID_TEST:
15842       if (LevelChanged())
15843         level.game_version = GAME_VERSION_ACTUAL;
15844
15845       CopyPlayfield(level.field, TileBackup);
15846       CopyPlayfield(Tile, level.field);
15847
15848       CopyNativeLevel_RND_to_Native(&level);
15849
15850       UnmapLevelEditorGadgets();
15851       UndrawSpecialEditorDoor();
15852
15853       CloseDoor(DOOR_CLOSE_ALL);
15854
15855       // needed before playing if editor playfield area has different size
15856       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
15857
15858       // redraw_mask = REDRAW_ALL;
15859
15860       level_editor_test_game = TRUE;
15861
15862       StartGameActions(FALSE, setup.autorecord, level.random_seed);
15863
15864       break;
15865
15866     case GADGET_ID_EXIT:
15867       RequestExitLevelEditor(TRUE, FALSE);  // if level has changed, ask user
15868       break;
15869
15870     default:
15871       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
15872           id <= GADGET_ID_ELEMENTLIST_LAST)
15873       {
15874         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
15875
15876         new_element = editor_elements[element_position + element_shift];
15877
15878         if (IS_EDITOR_CASCADE(new_element))
15879         {
15880           int i;
15881
15882           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
15883           {
15884             int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
15885             boolean *cascade_value = editor_elements_info[i].setup_cascade_value;
15886
15887             if (*cascade_element == new_element)
15888             {
15889               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
15890               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
15891
15892               // update element selection list
15893               ReinitializeElementList();
15894               ModifyEditorElementList();
15895
15896               // update cascading gadget info text
15897               PrintEditorGadgetInfoText(level_editor_gadget[id]);
15898
15899               // save current editor cascading state
15900               SaveSetup_EditorCascade();
15901
15902               break;
15903             }
15904           }
15905
15906           break;
15907         }
15908
15909         if (last_custom_copy_mode != -1)
15910         {
15911           if (CopyCustomElement(properties_element, new_element,
15912                                 last_custom_copy_mode))
15913           {
15914             ClickOnGadget(level_editor_gadget[last_drawing_function],
15915                           MB_LEFTBUTTON);
15916
15917             last_custom_copy_mode = -1;
15918           }
15919
15920           break;
15921         }
15922
15923         // change element of button used to show palette
15924         if (editor.palette.show_on_element_buttons)
15925           button = last_button;
15926
15927         PickDrawingElement(button, new_element);
15928
15929         if (!stick_element_properties_window &&
15930             drawing_function != GADGET_ID_PICK_ELEMENT &&
15931             !(GetKeyModState() & KMOD_Control))
15932         {
15933           properties_element = new_element;
15934           if (edit_mode == ED_MODE_PROPERTIES)
15935             DrawPropertiesWindow();
15936         }
15937
15938         if (drawing_function == GADGET_ID_PICK_ELEMENT)
15939           ClickOnGadget(level_editor_gadget[last_drawing_function],
15940                         MB_LEFTBUTTON);
15941
15942         if (!use_permanent_palette)
15943           ChangeEditModeWindow(last_edit_mode);
15944       }
15945 #ifdef DEBUG
15946       else if (gi->event.type == GD_EVENT_PRESSED)
15947         Debug("editor", "default: HandleControlButtons: GD_EVENT_PRESSED(%d)", id);
15948       else if (gi->event.type == GD_EVENT_RELEASED)
15949         Debug("editor", "default: HandleControlButtons: GD_EVENT_RELEASED(%d)", id);
15950       else if (gi->event.type == GD_EVENT_MOVING)
15951         Debug("editor", "default: HandleControlButtons: GD_EVENT_MOVING(%d)", id);
15952       else
15953         Debug("editor", "default: HandleControlButtons: ? (id == %d)", id);
15954 #endif
15955       break;
15956   }
15957 }
15958
15959 void HandleLevelEditorKeyInput(Key key)
15960 {
15961   char letter = getCharFromKey(key);
15962
15963   if (drawing_function == GADGET_ID_TEXT &&
15964       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
15965   {
15966     if (letter)
15967       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
15968     else if (key == KSYM_Delete || key == KSYM_BackSpace)
15969       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
15970     else if (key == KSYM_Return)
15971       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
15972     else if (key == KSYM_Escape)
15973       DrawLevelText(0, 0, 0, TEXT_END);
15974
15975     return;
15976   }
15977
15978   int id = GADGET_ID_NONE;
15979   int new_element_shift = element_shift;
15980   int step = ED_ELEMENTLIST_BUTTONS_VERT - 1;
15981   int button = MB_LEFTBUTTON;
15982   int i;
15983
15984   switch (key)
15985   {
15986     case KSYM_Left:
15987       id = GADGET_ID_SCROLL_LEFT;
15988       break;
15989     case KSYM_Right:
15990       id = GADGET_ID_SCROLL_RIGHT;
15991       break;
15992     case KSYM_Up:
15993       id = GADGET_ID_SCROLL_UP;
15994       break;
15995     case KSYM_Down:
15996       id = GADGET_ID_SCROLL_DOWN;
15997       break;
15998
15999     case KSYM_Page_Up:
16000     case KSYM_Page_Down:
16001       step *= (key == KSYM_Page_Up ? -1 : +1);
16002       element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
16003
16004       if (element_shift < 0)
16005         element_shift = 0;
16006       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
16007         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
16008
16009       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
16010                    GDI_SCROLLBAR_ITEM_POSITION,
16011                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
16012
16013       ModifyEditorElementList();
16014
16015       break;
16016
16017     case KSYM_Home:
16018     case KSYM_End:
16019       element_shift = (key == KSYM_Home ? 0 :
16020                        num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
16021
16022       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
16023                    GDI_SCROLLBAR_ITEM_POSITION,
16024                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
16025
16026       ModifyEditorElementList();
16027
16028       break;
16029
16030     case KSYM_Insert:
16031     case KSYM_Delete:
16032
16033       // this is needed to prevent interference with running "True X-Mouse"
16034       if (GetKeyModStateFromEvents() & KMOD_Control)
16035         break;
16036
16037       // check for last or next editor cascade block in element list
16038       for (i = 0; i < num_editor_elements; i++)
16039       {
16040         if ((key == KSYM_Insert && i == element_shift) ||
16041             (key == KSYM_Delete && new_element_shift > element_shift))
16042           break;
16043
16044         // jump to next cascade block (or to start of element list)
16045         if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
16046           new_element_shift = i;
16047       }
16048
16049       if (i < num_editor_elements)
16050         element_shift = new_element_shift;
16051
16052       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
16053         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
16054
16055       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
16056                    GDI_SCROLLBAR_ITEM_POSITION,
16057                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
16058
16059       ModifyEditorElementList();
16060
16061       break;
16062
16063     case KSYM_Escape:
16064       if (edit_mode == ED_MODE_DRAWING)
16065         RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
16066       else if (edit_mode == ED_MODE_LEVELCONFIG)
16067         HandleControlButtons(level_editor_gadget[GADGET_ID_CONF]);
16068       else if (edit_mode == ED_MODE_PROPERTIES)
16069         HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
16070       else if (edit_mode == ED_MODE_PALETTE)
16071         HandleControlButtons(level_editor_gadget[GADGET_ID_PALETTE]);
16072       else              // should never happen
16073         ChangeEditModeWindow(ED_MODE_DRAWING);
16074
16075       break;
16076
16077     default:
16078       break;
16079   }
16080
16081   if (id != GADGET_ID_NONE)
16082     ClickOnGadget(level_editor_gadget[id], button);
16083   else if (letter == '1' || letter == '?')
16084     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_LEFT], button);
16085   else if (letter == '2')
16086     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_MIDDLE], button);
16087   else if (letter == '3')
16088     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_RIGHT], button);
16089   else if (letter == '.')
16090     ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
16091   else if (letter == 'U')
16092     ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
16093   else if (letter == '-' || key == KSYM_KP_Subtract)
16094     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 3);
16095   else if (letter == '0' || key == KSYM_KP_0)
16096     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 2);
16097   else if (letter == '+' || key == KSYM_KP_Add ||
16098            letter == '=')       // ("Shift-=" is "+" on US keyboards)
16099     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 1);
16100   else if (key == KSYM_Return ||
16101            key == KSYM_space ||
16102            key == setup.shortcut.toggle_pause)
16103     ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
16104   else
16105     for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
16106       if (letter && letter == controlbutton_info[i].shortcut)
16107         if (!anyTextGadgetActive())
16108           ClickOnGadget(level_editor_gadget[i], button);
16109
16110   if (draw_with_brush)
16111   {
16112     if (letter == 'x')
16113       FlipBrushX();
16114     else if (letter == 'y')
16115       FlipBrushY();
16116     else if (letter == 'z')
16117       RotateBrush();
16118   }
16119 }
16120
16121 static void HandleLevelEditorIdle_Properties(void)
16122 {
16123   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
16124   int x = editor.settings.element_graphic.x + element_border;
16125   int y = editor.settings.element_graphic.y + element_border;
16126   static DelayCounter action_delay = { 0 };
16127   int i;
16128
16129   action_delay.value = GameFrameDelay;
16130
16131   if (!DelayReached(&action_delay))
16132     return;
16133
16134   for (i = 0; i < ED_NUM_SELECTBOX; i++)
16135   {
16136     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
16137
16138     if (gi->mapped && gi->active && gi->selectbox.open)
16139       return;
16140   }
16141
16142   DrawEditorElementAnimation(SX + x, SY + y);
16143
16144   redraw_mask |= REDRAW_FIELD;
16145
16146   FrameCounter++;       // increase animation frame counter
16147 }
16148
16149 static void HandleLevelEditorIdle_Drawing(void)
16150 {
16151   static boolean last_highlighted = FALSE;
16152   static boolean last_highlighted_similar = FALSE;
16153   boolean highlighted = (GetKeyModState() & KMOD_Alt);
16154   boolean highlighted_similar = (GetKeyModState() & KMOD_Shift);
16155
16156   if (highlighted != last_highlighted ||
16157       (highlighted && highlighted_similar != last_highlighted_similar))
16158   {
16159     DrawAreaElementHighlight(highlighted, highlighted_similar);
16160
16161     redraw_mask |= REDRAW_FIELD;
16162   }
16163
16164   last_highlighted = highlighted;
16165   last_highlighted_similar = highlighted_similar;
16166 }
16167
16168 void HandleLevelEditorIdle(void)
16169 {
16170   if (edit_mode == ED_MODE_PROPERTIES)
16171     HandleLevelEditorIdle_Properties();
16172   else if (edit_mode == ED_MODE_DRAWING)
16173     HandleLevelEditorIdle_Drawing();
16174 }
16175
16176 static void ClearEditorGadgetInfoText(void)
16177 {
16178   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
16179 }
16180
16181 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
16182 {
16183   char infotext[MAX_OUTPUT_LINESIZE + 1];
16184   int max_infotext_len = getMaxInfoTextLength();
16185
16186   if (gi == NULL || strlen(gi->info_text) == 0)
16187     return;
16188
16189   strncpy(infotext, gi->info_text, max_infotext_len);
16190   infotext[max_infotext_len] = '\0';
16191
16192   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
16193   {
16194     int key = controlbutton_info[gi->custom_id].shortcut;
16195
16196     if (key)
16197     {
16198       char shortcut[MAX_OUTPUT_LINESIZE + 1];
16199
16200       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)
16201         sprintf(shortcut, " ('.' or '%c')", key);
16202       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT)
16203         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
16204       else if (gi->custom_id == GADGET_ID_TEST)
16205         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
16206       else if (gi->custom_id == GADGET_ID_UNDO)
16207         sprintf(shortcut, " ('%c/Shift-U')", key);
16208       else if (gi->custom_id == GADGET_ID_ZOOM)
16209         sprintf(shortcut, " ('%c', '0', '-')", key);
16210       else
16211         sprintf(shortcut, " ('%s%c')",
16212                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
16213
16214       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
16215         strcat(infotext, shortcut);
16216     }
16217   }
16218
16219   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, INFOTEXT_FONT);
16220 }
16221
16222 void HandleEditorGadgetInfoText(void *ptr)
16223 {
16224   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
16225
16226   if (game_status != GAME_MODE_EDITOR)
16227     return;
16228
16229   ClearEditorGadgetInfoText();
16230
16231   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
16232     return;
16233
16234   // misuse this function to delete brush cursor, if needed
16235   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
16236     DeleteBrushFromCursor();
16237
16238   PrintEditorGadgetInfoText(gi);
16239 }
16240
16241 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
16242 {
16243   int id = gi->custom_id;
16244   int type_id = gi->custom_type_id;
16245   int sx = gi->event.x;
16246   int sy = gi->event.y;
16247   int lx = sx + level_xpos;
16248   int ly = sy + level_ypos;
16249   int min_sx = 0, min_sy = 0;
16250   int max_sx = gi->drawing.area_xsize - 1;
16251   int max_sy = gi->drawing.area_ysize - 1;
16252   int actual_drawing_function = drawing_function;
16253   int max_infotext_len = getMaxInfoTextLength();
16254   char infotext[MAX_OUTPUT_LINESIZE + 1];
16255
16256   infotext[0] = '\0';           // start with empty info text
16257
16258   // pressed Control key: simulate picking element
16259   if (GetKeyModState() & KMOD_Control)
16260     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
16261
16262   ClearEditorGadgetInfoText();
16263
16264   if (gi->event.type == GD_EVENT_INFO_LEAVING)
16265     return;
16266
16267   // make sure to stay inside drawing area boundaries
16268   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
16269   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
16270
16271   if (id == GADGET_ID_DRAWING_LEVEL)
16272   {
16273     if (button_status)
16274     {
16275       int min_lx = 0, min_ly = 0;
16276       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
16277
16278       // get positions inside level field
16279       lx = sx + level_xpos;
16280       ly = sy + level_ypos;
16281
16282       // make sure to stay inside level field boundaries
16283       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
16284       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
16285
16286       // correct drawing area positions accordingly
16287       sx = lx - level_xpos;
16288       sy = ly - level_ypos;
16289     }
16290
16291     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
16292     {
16293       if (button_status)        // if (gi->state == GD_BUTTON_PRESSED)
16294       {
16295         static int start_lx = 0;
16296         static int start_ly = 0;
16297         char *text;
16298
16299         if (gi->event.type == GD_EVENT_PRESSED)
16300         {
16301           start_lx = lx;
16302           start_ly = ly;
16303         }
16304
16305         switch (actual_drawing_function)
16306         {
16307           case GADGET_ID_SINGLE_ITEMS:
16308             text = "Drawing single items";
16309             break;
16310           case GADGET_ID_CONNECTED_ITEMS:
16311             text = "Drawing connected items";
16312             break;
16313           case GADGET_ID_LINE:
16314             text = "Drawing line";
16315             break;
16316           case GADGET_ID_ARC:
16317             text = "Drawing arc";
16318             break;
16319           case GADGET_ID_TEXT:
16320             text = "Setting text cursor";
16321             break;
16322           case GADGET_ID_RECTANGLE:
16323             text = "Drawing rectangle";
16324             break;
16325           case GADGET_ID_FILLED_BOX:
16326             text = "Drawing filled box";
16327             break;
16328           case GADGET_ID_FLOOD_FILL:
16329             text = "Flood fill";
16330             break;
16331           case GADGET_ID_GRAB_BRUSH:
16332             text = "Grabbing brush";
16333             break;
16334           case GADGET_ID_PICK_ELEMENT:
16335             text = "Picking element";
16336             break;
16337
16338           default:
16339             text = "Drawing position";
16340             break;
16341         }
16342
16343         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
16344           sprintf(infotext, "%s: %d, %d", text, lx, ly);
16345         else
16346           sprintf(infotext, "%s: %d, %d", text,
16347                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
16348       }
16349       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
16350         strncpy(infotext, getElementInfoText(Tile[lx][ly]), max_infotext_len);
16351       else
16352         sprintf(infotext, "Level position: %d, %d", lx, ly);
16353     }
16354
16355     // misuse this function to draw brush cursor, if needed
16356     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
16357     {
16358       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
16359         CopyBrushToCursor(sx, sy);
16360       else
16361         DeleteBrushFromCursor();
16362     }
16363
16364     if (!draw_with_brush)
16365       UpdateBrushPosition(sx, sy);
16366   }
16367   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
16368   {
16369     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
16370     int element = drawingarea_info[type_id].value[pos];
16371
16372     strncpy(infotext, getElementInfoText(element), max_infotext_len);
16373   }
16374   else
16375   {
16376     if (id == GADGET_ID_CUSTOM_CONTENT)
16377       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
16378     else if (id == GADGET_ID_GROUP_CONTENT)
16379       sprintf(infotext, "group element position: %d", sx + 1);
16380     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
16381              id <= GADGET_ID_YAMYAM_CONTENT_7)
16382       sprintf(infotext, "content area %d position: %d, %d",
16383               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
16384     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
16385              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
16386       sprintf(infotext, "content area %d position: %d, %d",
16387               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
16388     else if (id == GADGET_ID_ANDROID_CONTENT)
16389       sprintf(infotext, "android element position: %d", sx + 1);
16390     else if (drawingarea_info[type_id].infotext != NULL)
16391       strcpy(infotext, drawingarea_info[type_id].infotext);
16392   }
16393
16394   infotext[max_infotext_len] = '\0';
16395
16396   if (strlen(infotext) > 0)
16397     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT, infotext);
16398 }
16399
16400 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
16401                             boolean quick_quit)
16402 {
16403   if (!ask_if_level_has_changed ||
16404       !LevelChanged() ||
16405       Request("Level has changed! Exit without saving?",
16406               REQ_ASK | REQ_STAY_OPEN))
16407   {
16408     struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
16409     struct RectWithBorder *vp_door_2 = &viewport.door_2[GAME_MODE_MAIN];
16410
16411     // draw normal door
16412     UndrawSpecialEditorDoor();
16413
16414     // use door animation if door 1 viewport is unchanged and contains toolbox
16415     if (useEditorDoorAnimation())
16416       CloseDoor(DOOR_CLOSE_1 | DOOR_FORCE_ANIM);
16417
16418     // close editor doors if viewport definition is the same as in main menu
16419     if (vp_door_1->x      == DX     &&
16420         vp_door_1->y      == DY     &&
16421         vp_door_1->width  == DXSIZE &&
16422         vp_door_1->height == DYSIZE &&
16423         vp_door_2->x      == VX     &&
16424         vp_door_2->y      == VY     &&
16425         vp_door_2->width  == VXSIZE &&
16426         vp_door_2->height == VYSIZE)
16427       CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
16428     else
16429       SetDoorState(DOOR_CLOSE_ALL);
16430
16431     BackToFront();
16432
16433     if (quick_quit)
16434       FadeSkipNextFadeIn();
16435
16436     SetGameStatus(GAME_MODE_MAIN);
16437
16438     DrawMainMenu();
16439   }
16440   else
16441   {
16442     if (!global.use_envelope_request)
16443     {
16444       CloseDoor(DOOR_CLOSE_1);
16445       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
16446     }
16447   }
16448 }