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_MAGIC_WALL_DIAMOND_TO,
 561   GADGET_ID_BD_MAGIC_WALL_ROCK_TO,
 562   GADGET_ID_BD_MAGIC_WALL_MEGA_ROCK_TO,
 563   GADGET_ID_BD_MAGIC_WALL_NUT_TO,
 564   GADGET_ID_BD_MAGIC_WALL_NITRO_PACK_TO,
 565   GADGET_ID_BD_MAGIC_WALL_FLYING_DIAMOND_TO,
 566   GADGET_ID_BD_MAGIC_WALL_FLYING_ROCK_TO,
 567   GADGET_ID_BD_AMOEBA_CONTENT_TOO_BIG,
 568   GADGET_ID_BD_AMOEBA_CONTENT_ENCLOSED,
 569   GADGET_ID_BD_AMOEBA_2_CONTENT_TOO_BIG,
 570   GADGET_ID_BD_AMOEBA_2_CONTENT_ENCLOSED,
 571   GADGET_ID_BD_AMOEBA_2_CONTENT_EXPLODING,
 572   GADGET_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,
 573   GADGET_ID_BD_ACID_EATS_ELEMENT,
 574   GADGET_ID_BD_ACID_TURNS_TO_ELEMENT,
 575   GADGET_ID_BD_BITER_EATS_ELEMENT,
 576   GADGET_ID_BD_BLADDER_CONVERTS_BY_ELEMENT,
 577   GADGET_ID_BD_NUT_CONTENT,
 578   GADGET_ID_START_ELEMENT,
 579   GADGET_ID_ARTWORK_ELEMENT,
 580   GADGET_ID_EXPLOSION_ELEMENT,
 581   GADGET_ID_INVENTORY_CONTENT,
 582   GADGET_ID_MM_BALL_CONTENT,
 583   GADGET_ID_CUSTOM_GRAPHIC,
 584   GADGET_ID_CUSTOM_CONTENT,
 585   GADGET_ID_CUSTOM_MOVE_ENTER,
 586   GADGET_ID_CUSTOM_MOVE_LEAVE,
 587   GADGET_ID_CUSTOM_CHANGE_TARGET,
 588   GADGET_ID_CUSTOM_CHANGE_CONTENT,
 589   GADGET_ID_CUSTOM_CHANGE_TRIGGER,
 590   GADGET_ID_CUSTOM_CHANGE_ACTION,
 591   GADGET_ID_GROUP_CONTENT,
 592   GADGET_ID_RANDOM_BACKGROUND,
 593
 594   // text input identifiers
 595
 596   GADGET_ID_LEVEL_NAME,
 597   GADGET_ID_LEVEL_AUTHOR,
 598   GADGET_ID_LEVELSET_NAME,
 599   GADGET_ID_LEVELSET_AUTHOR,
 600   GADGET_ID_ELEMENT_NAME,
 601
 602   // text area identifiers
 603
 604   GADGET_ID_ENVELOPE_INFO,
 605
 606   // selectbox identifiers
 607
 608   GADGET_ID_TIME_OR_STEPS,
 609   GADGET_ID_TIME_SCORE_BASE,
 610   GADGET_ID_GAME_ENGINE_TYPE,
 611   GADGET_ID_BD_SCHEDULING_TYPE,
 612   GADGET_ID_LEVELSET_SAVE_MODE,
 613   GADGET_ID_WIND_DIRECTION,
 614   GADGET_ID_PLAYER_SPEED,
 615   GADGET_ID_MM_BALL_CHOICE_MODE,
 616   GADGET_ID_CUSTOM_WALK_TO_ACTION,
 617   GADGET_ID_CUSTOM_EXPLOSION_TYPE,
 618   GADGET_ID_CUSTOM_DEADLINESS,
 619   GADGET_ID_CUSTOM_MOVE_PATTERN,
 620   GADGET_ID_CUSTOM_MOVE_DIRECTION,
 621   GADGET_ID_CUSTOM_MOVE_STEPSIZE,
 622   GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
 623   GADGET_ID_CUSTOM_SMASH_TARGETS,
 624   GADGET_ID_CUSTOM_SLIPPERY_TYPE,
 625   GADGET_ID_CUSTOM_ACCESS_TYPE,
 626   GADGET_ID_CUSTOM_ACCESS_LAYER,
 627   GADGET_ID_CUSTOM_ACCESS_PROTECTED,
 628   GADGET_ID_CUSTOM_ACCESS_DIRECTION,
 629   GADGET_ID_CHANGE_TIME_UNITS,
 630   GADGET_ID_CHANGE_DIRECT_ACTION,
 631   GADGET_ID_CHANGE_OTHER_ACTION,
 632   GADGET_ID_CHANGE_SIDE,
 633   GADGET_ID_CHANGE_PLAYER,
 634   GADGET_ID_CHANGE_PAGE,
 635   GADGET_ID_CHANGE_REPLACE_WHEN,
 636   GADGET_ID_ACTION_TYPE,
 637   GADGET_ID_ACTION_MODE,
 638   GADGET_ID_ACTION_ARG,
 639   GADGET_ID_SELECT_CHANGE_PAGE,
 640   GADGET_ID_GROUP_CHOICE_MODE,
 641
 642   // textbutton identifiers
 643
 644   GADGET_ID_LEVELCONFIG_LEVEL,
 645   GADGET_ID_LEVELCONFIG_LEVELSET,
 646   GADGET_ID_LEVELCONFIG_EDITOR,
 647   GADGET_ID_LEVELCONFIG_ENGINE,
 648   GADGET_ID_PROPERTIES_INFO,
 649   GADGET_ID_PROPERTIES_CONFIG,
 650   GADGET_ID_PROPERTIES_CONFIG_1,
 651   GADGET_ID_PROPERTIES_CONFIG_2,
 652   GADGET_ID_PROPERTIES_CHANGE,
 653   GADGET_ID_SAVE_AS_TEMPLATE_1,
 654   GADGET_ID_SAVE_AS_TEMPLATE_2,
 655   GADGET_ID_SAVE_LEVELSET,
 656   GADGET_ID_ADD_CHANGE_PAGE,
 657   GADGET_ID_DEL_CHANGE_PAGE,
 658
 659   // graphicbutton identifiers
 660
 661   GADGET_ID_PREV_CHANGE_PAGE,
 662   GADGET_ID_NEXT_CHANGE_PAGE,
 663   GADGET_ID_COPY_CHANGE_PAGE,
 664   GADGET_ID_PASTE_CHANGE_PAGE,
 665
 666   // gadgets for scrolling of drawing area
 667
 668   GADGET_ID_SCROLL_UP,
 669   GADGET_ID_SCROLL_DOWN,
 670   GADGET_ID_SCROLL_LEFT,
 671   GADGET_ID_SCROLL_RIGHT,
 672   GADGET_ID_SCROLL_HORIZONTAL,
 673   GADGET_ID_SCROLL_VERTICAL,
 674
 675   // gadgets for scrolling element list
 676
 677   GADGET_ID_SCROLL_LIST_UP,
 678   GADGET_ID_SCROLL_LIST_DOWN,
 679   GADGET_ID_SCROLL_LIST_VERTICAL,
 680
 681   // checkbuttons/radiobuttons for level/element properties
 682
 683   GADGET_ID_AUTO_COUNT_GEMS,
 684   GADGET_ID_RATE_TIME_OVER_SCORE,
 685   GADGET_ID_USE_LEVELSET_ARTWORK,
 686   GADGET_ID_COPY_LEVEL_TEMPLATE,
 687   GADGET_ID_RANDOM_PERCENTAGE,
 688   GADGET_ID_RANDOM_QUANTITY,
 689   GADGET_ID_RANDOM_RESTRICTED,
 690   GADGET_ID_BD_INTERMISSION,
 691   GADGET_ID_BD_PAL_TIMING,
 692   GADGET_ID_BD_LINE_SHIFTING_BORDERS,
 693   GADGET_ID_BD_SCAN_FIRST_AND_LAST_ROW,
 694   GADGET_ID_BD_SHORT_EXPLOSIONS,
 695   GADGET_ID_BD_GRAVITY_AFFECTS_ALL,
 696   GADGET_ID_STICK_ELEMENT,
 697   GADGET_ID_EM_SLIPPERY_GEMS,
 698   GADGET_ID_EM_EXPLODES_BY_FIRE,
 699   GADGET_ID_USE_SPRING_BUG,
 700   GADGET_ID_USE_TIME_ORB_BUG,
 701   GADGET_ID_USE_LIFE_BUGS,
 702   GADGET_ID_RANDOM_BALL_CONTENT,
 703   GADGET_ID_INITIAL_BALL_ACTIVE,
 704   GADGET_ID_GROW_INTO_DIGGABLE,
 705   GADGET_ID_SB_FIELDS_NEEDED,
 706   GADGET_ID_SB_OBJECTS_NEEDED,
 707   GADGET_ID_AUTO_EXIT_SOKOBAN,
 708   GADGET_ID_SOLVED_BY_ONE_PLAYER,
 709   GADGET_ID_FINISH_DIG_COLLECT,
 710   GADGET_ID_KEEP_WALKABLE_CE,
 711   GADGET_ID_CONTINUOUS_SNAPPING,
 712   GADGET_ID_BLOCK_SNAP_FIELD,
 713   GADGET_ID_BLOCK_LAST_FIELD,
 714   GADGET_ID_SP_BLOCK_LAST_FIELD,
 715   GADGET_ID_INSTANT_RELOCATION,
 716   GADGET_ID_SHIFTED_RELOCATION,
 717   GADGET_ID_LAZY_RELOCATION,
 718   GADGET_ID_USE_START_ELEMENT,
 719   GADGET_ID_USE_ARTWORK_ELEMENT,
 720   GADGET_ID_USE_EXPLOSION_ELEMENT,
 721   GADGET_ID_INITIAL_GRAVITY,
 722   GADGET_ID_USE_INITIAL_INVENTORY,
 723   GADGET_ID_CAN_PASS_TO_WALKABLE,
 724   GADGET_ID_CAN_FALL_INTO_ACID,
 725   GADGET_ID_CAN_MOVE_INTO_ACID,
 726   GADGET_ID_DONT_COLLIDE_WITH,
 727   GADGET_ID_BD_DIAGONAL_MOVEMENTS,
 728   GADGET_ID_BD_TOPMOST_PLAYER_ACTIVE,
 729   GADGET_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,
 730   GADGET_ID_BD_MAGIC_WALL_WAIT_HATCHING,
 731   GADGET_ID_BD_MAGIC_WALL_STOPS_AMOEBA,
 732   GADGET_ID_BD_AMOEBA_WAIT_FOR_HATCHING,
 733   GADGET_ID_BD_AMOEBA_START_IMMEDIATELY,
 734   GADGET_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,
 735   GADGET_ID_BD_VOODOO_COLLECTS_DIAMONDS,
 736   GADGET_ID_BD_VOODOO_HURT_KILLS_PLAYER,
 737   GADGET_ID_BD_VOODOO_DIES_BY_ROCK,
 738   GADGET_ID_BD_VOODOO_VANISH_BY_EXPLOSION,
 739   GADGET_ID_BD_SLIME_IS_PREDICTABLE,
 740   GADGET_ID_BD_CHANGE_EXPANDING_WALL,
 741   GADGET_ID_BD_REPLICATORS_ACTIVE,
 742   GADGET_ID_BD_CONVEYOR_BELTS_ACTIVE,
 743   GADGET_ID_BD_CONVEYOR_BELTS_CHANGED,
 744   GADGET_ID_BD_WATER_CANNOT_FLOW_DOWN,
 745   GADGET_ID_ENVELOPE_AUTOWRAP,
 746   GADGET_ID_ENVELOPE_CENTERED,
 747   GADGET_ID_MM_LASER_RED,
 748   GADGET_ID_MM_LASER_GREEN,
 749   GADGET_ID_MM_LASER_BLUE,
 750   GADGET_ID_DF_LASER_RED,
 751   GADGET_ID_DF_LASER_GREEN,
 752   GADGET_ID_DF_LASER_BLUE,
 753   GADGET_ID_ROTATE_MM_BALL_CONTENT,
 754   GADGET_ID_EXPLODE_MM_BALL,
 755   GADGET_ID_CUSTOM_INDESTRUCTIBLE,
 756   GADGET_ID_CUSTOM_CAN_EXPLODE,
 757   GADGET_ID_CUSTOM_EXPLODE_FIRE,
 758   GADGET_ID_CUSTOM_EXPLODE_SMASH,
 759   GADGET_ID_CUSTOM_EXPLODE_IMPACT,
 760   GADGET_ID_CUSTOM_WALK_TO_OBJECT,
 761   GADGET_ID_CUSTOM_DEADLY,
 762   GADGET_ID_CUSTOM_CAN_MOVE,
 763   GADGET_ID_CUSTOM_CAN_FALL,
 764   GADGET_ID_CUSTOM_CAN_SMASH,
 765   GADGET_ID_CUSTOM_SLIPPERY,
 766   GADGET_ID_CUSTOM_ACCESSIBLE,
 767   GADGET_ID_CUSTOM_GRAV_REACHABLE,
 768   GADGET_ID_CUSTOM_USE_LAST_VALUE,
 769   GADGET_ID_CUSTOM_USE_GRAPHIC,
 770   GADGET_ID_CUSTOM_USE_TEMPLATE_1,
 771   GADGET_ID_CUSTOM_USE_TEMPLATE_2,
 772   GADGET_ID_CUSTOM_USE_TEMPLATE_3,
 773   GADGET_ID_CUSTOM_CAN_CHANGE,
 774   GADGET_ID_CHANGE_USE_CONTENT,
 775   GADGET_ID_CHANGE_USE_EXPLOSION,
 776   GADGET_ID_CHANGE_ONLY_COMPLETE,
 777   GADGET_ID_CHANGE_USE_RANDOM,
 778   GADGET_ID_CHANGE_HAS_ACTION,
 779   GADGET_ID_CHANGE_DELAY,
 780   GADGET_ID_CHANGE_BY_DIRECT_ACT,
 781   GADGET_ID_CHANGE_BY_OTHER_ACT,
 782
 783   NUM_STATIC_GADGET_IDS
 784 };
 785
 786 // gadgets for buttons in element list (dynamic)
 787 #define GADGET_ID_ELEMENTLIST_FIRST     (NUM_STATIC_GADGET_IDS)
 788 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 789                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 790
 791 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 792
 793 // radio button numbers
 794 enum
 795 {
 796   RADIO_NR_NONE,
 797   RADIO_NR_DRAWING_TOOLBOX,
 798   RADIO_NR_RANDOM_ELEMENTS
 799 };
 800
 801 // values for counter gadgets
 802 enum
 803 {
 804   ED_COUNTER_ID_SELECT_LEVEL,
 805   ED_COUNTER_ID_LEVEL_XSIZE,
 806   ED_COUNTER_ID_LEVEL_YSIZE,
 807   ED_COUNTER_ID_LEVEL_GEMSLIMIT,
 808   ED_COUNTER_ID_LEVEL_TIMELIMIT,
 809   ED_COUNTER_ID_LEVEL_TIMESCORE,
 810   ED_COUNTER_ID_LEVEL_RANDOM_SEED,
 811   ED_COUNTER_ID_LEVELSET_NUM_LEVELS,
 812   ED_COUNTER_ID_LEVEL_RANDOM,
 813   ED_COUNTER_ID_BD_CYCLE_DELAY_MS,
 814   ED_COUNTER_ID_BD_CYCLE_DELAY_C64,
 815   ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES,
 816   ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS,
 817   ED_COUNTER_ID_BD_PUSHING_PROB,
 818   ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET,
 819   ED_COUNTER_ID_ELEMENT_VALUE1,
 820   ED_COUNTER_ID_ELEMENT_VALUE2,
 821   ED_COUNTER_ID_ELEMENT_VALUE3,
 822   ED_COUNTER_ID_ELEMENT_VALUE4,
 823   ED_COUNTER_ID_YAMYAM_CONTENT,
 824   ED_COUNTER_ID_BALL_CONTENT,
 825   ED_COUNTER_ID_ANDROID_CONTENT,
 826   ED_COUNTER_ID_ENVELOPE_XSIZE,
 827   ED_COUNTER_ID_ENVELOPE_YSIZE,
 828   ED_COUNTER_ID_INVENTORY_SIZE,
 829   ED_COUNTER_ID_MM_BALL_CONTENT,
 830   ED_COUNTER_ID_CUSTOM_SCORE,
 831   ED_COUNTER_ID_CUSTOM_GEMCOUNT,
 832   ED_COUNTER_ID_CUSTOM_VALUE_FIX,
 833   ED_COUNTER_ID_CUSTOM_VALUE_RND,
 834   ED_COUNTER_ID_PUSH_DELAY_FIX,
 835   ED_COUNTER_ID_PUSH_DELAY_RND,
 836   ED_COUNTER_ID_DROP_DELAY_FIX,
 837   ED_COUNTER_ID_DROP_DELAY_RND,
 838   ED_COUNTER_ID_MOVE_DELAY_FIX,
 839   ED_COUNTER_ID_MOVE_DELAY_RND,
 840   ED_COUNTER_ID_STEP_DELAY_FIX,
 841   ED_COUNTER_ID_STEP_DELAY_RND,
 842   ED_COUNTER_ID_EXPLOSION_DELAY,
 843   ED_COUNTER_ID_IGNITION_DELAY,
 844   ED_COUNTER_ID_GROUP_CONTENT,
 845   ED_COUNTER_ID_CHANGE_DELAY_FIX,
 846   ED_COUNTER_ID_CHANGE_DELAY_RND,
 847   ED_COUNTER_ID_CHANGE_CONT_RND,
 848
 849   ED_NUM_COUNTERBUTTONS
 850 };
 851
 852 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 853 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM_SEED
 854 #define ED_COUNTER_ID_LEVELSET_FIRST    ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 855 #define ED_COUNTER_ID_LEVELSET_LAST     ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 856 #define ED_COUNTER_ID_EDITOR_FIRST      ED_COUNTER_ID_LEVEL_RANDOM
 857 #define ED_COUNTER_ID_EDITOR_LAST       ED_COUNTER_ID_LEVEL_RANDOM
 858
 859 #define ED_COUNTER_ID_CUSTOM1_FIRST     ED_COUNTER_ID_CUSTOM_SCORE
 860 #define ED_COUNTER_ID_CUSTOM1_LAST      ED_COUNTER_ID_DROP_DELAY_RND
 861 #define ED_COUNTER_ID_CUSTOM2_FIRST     ED_COUNTER_ID_MOVE_DELAY_FIX
 862 #define ED_COUNTER_ID_CUSTOM2_LAST      ED_COUNTER_ID_IGNITION_DELAY
 863 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM1_FIRST
 864 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_CUSTOM2_LAST
 865
 866 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 867 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 868
 869 // values for scrollbutton gadgets
 870 enum
 871 {
 872   ED_SCROLLBUTTON_ID_AREA_UP,
 873   ED_SCROLLBUTTON_ID_AREA_DOWN,
 874   ED_SCROLLBUTTON_ID_AREA_LEFT,
 875   ED_SCROLLBUTTON_ID_AREA_RIGHT,
 876   ED_SCROLLBUTTON_ID_LIST_UP,
 877   ED_SCROLLBUTTON_ID_LIST_DOWN,
 878
 879   ED_NUM_SCROLLBUTTONS
 880 };
 881
 882 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 883 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 884
 885 // values for scrollbar gadgets
 886 enum
 887 {
 888   ED_SCROLLBAR_ID_AREA_HORIZONTAL,
 889   ED_SCROLLBAR_ID_AREA_VERTICAL,
 890   ED_SCROLLBAR_ID_LIST_VERTICAL,
 891
 892   ED_NUM_SCROLLBARS
 893 };
 894
 895 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 896 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 897
 898 // values for text input gadgets
 899 enum
 900 {
 901   ED_TEXTINPUT_ID_LEVEL_NAME,
 902   ED_TEXTINPUT_ID_LEVEL_AUTHOR,
 903   ED_TEXTINPUT_ID_LEVELSET_NAME,
 904   ED_TEXTINPUT_ID_LEVELSET_AUTHOR,
 905   ED_TEXTINPUT_ID_ELEMENT_NAME,
 906
 907   ED_NUM_TEXTINPUT
 908 };
 909
 910 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 911 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 912
 913 #define ED_TEXTINPUT_ID_LEVELSET_FIRST  ED_TEXTINPUT_ID_LEVELSET_NAME
 914 #define ED_TEXTINPUT_ID_LEVELSET_LAST   ED_TEXTINPUT_ID_LEVELSET_AUTHOR
 915
 916 // values for text area gadgets
 917 enum
 918 {
 919   ED_TEXTAREA_ID_ENVELOPE_INFO,
 920
 921   ED_NUM_TEXTAREAS
 922 };
 923
 924 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
 925 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
 926
 927 // values for selectbox gadgets
 928 enum
 929 {
 930   ED_SELECTBOX_ID_TIME_OR_STEPS,
 931   ED_SELECTBOX_ID_TIME_SCORE_BASE,
 932   ED_SELECTBOX_ID_GAME_ENGINE_TYPE,
 933   ED_SELECTBOX_ID_BD_SCHEDULING_TYPE,
 934   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE,
 935   ED_SELECTBOX_ID_WIND_DIRECTION,
 936   ED_SELECTBOX_ID_PLAYER_SPEED,
 937   ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE,
 938   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE,
 939   ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER,
 940   ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED,
 941   ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION,
 942   ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION,
 943   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN,
 944   ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION,
 945   ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE,
 946   ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE,
 947   ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS,
 948   ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE,
 949   ED_SELECTBOX_ID_CUSTOM_DEADLINESS,
 950   ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE,
 951   ED_SELECTBOX_ID_CHANGE_TIME_UNITS,
 952   ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION,
 953   ED_SELECTBOX_ID_CHANGE_OTHER_ACTION,
 954   ED_SELECTBOX_ID_CHANGE_SIDE,
 955   ED_SELECTBOX_ID_CHANGE_PLAYER,
 956   ED_SELECTBOX_ID_CHANGE_PAGE,
 957   ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN,
 958   ED_SELECTBOX_ID_ACTION_TYPE,
 959   ED_SELECTBOX_ID_ACTION_MODE,
 960   ED_SELECTBOX_ID_ACTION_ARG,
 961   ED_SELECTBOX_ID_SELECT_CHANGE_PAGE,
 962   ED_SELECTBOX_ID_GROUP_CHOICE_MODE,
 963
 964   ED_NUM_SELECTBOX
 965 };
 966
 967 #define ED_SELECTBOX_ID_LEVEL_FIRST     ED_SELECTBOX_ID_TIME_OR_STEPS
 968 #define ED_SELECTBOX_ID_LEVEL_LAST      ED_SELECTBOX_ID_GAME_ENGINE_TYPE
 969
 970 #define ED_SELECTBOX_ID_LEVELSET_FIRST  ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 971 #define ED_SELECTBOX_ID_LEVELSET_LAST   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 972
 973 #define ED_SELECTBOX_ID_ENGINE_FIRST    ED_SELECTBOX_ID_BD_SCHEDULING_TYPE
 974 #define ED_SELECTBOX_ID_ENGINE_LAST     ED_SELECTBOX_ID_BD_SCHEDULING_TYPE
 975
 976 #define ED_SELECTBOX_ID_CUSTOM1_FIRST   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
 977 #define ED_SELECTBOX_ID_CUSTOM1_LAST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
 978 #define ED_SELECTBOX_ID_CUSTOM2_FIRST   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN
 979 #define ED_SELECTBOX_ID_CUSTOM2_LAST    ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE
 980 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM1_FIRST
 981 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM2_LAST
 982
 983 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 984 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
 985
 986 // values for textbutton gadgets
 987 enum
 988 {
 989   ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL,
 990   ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET,
 991   ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR,
 992   ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE,
 993   ED_TEXTBUTTON_ID_PROPERTIES_INFO,
 994   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG,
 995   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1,
 996   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2,
 997   ED_TEXTBUTTON_ID_PROPERTIES_CHANGE,
 998   ED_TEXTBUTTON_ID_SAVE_LEVELSET,
 999   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2,
1000   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1,
1001   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE,
1002   ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE,
1003
1004   ED_NUM_TEXTBUTTONS
1005 };
1006
1007 #define ED_TAB_BUTTON_ID_LEVELCONFIG_FIRST ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL
1008 #define ED_TAB_BUTTON_ID_LEVELCONFIG_LAST  ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE
1009
1010 #define ED_TAB_BUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
1011 #define ED_TAB_BUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
1012
1013 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE
1014 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
1015
1016 // values for graphicbutton gadgets
1017 enum
1018 {
1019   ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE,
1020   ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE,
1021   ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE,
1022   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE,
1023
1024   ED_NUM_GRAPHICBUTTONS
1025 };
1026
1027 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST  ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
1028 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE
1029
1030 // values for checkbutton gadgets
1031 enum
1032 {
1033   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS,
1034   ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE,
1035   ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK,
1036   ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE,
1037   ED_CHECKBUTTON_ID_RANDOM_RESTRICTED,
1038   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3,
1039   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2,
1040   ED_CHECKBUTTON_ID_BD_INTERMISSION,
1041   ED_CHECKBUTTON_ID_BD_PAL_TIMING,
1042   ED_CHECKBUTTON_ID_BD_LINE_SHIFTING_BORDERS,
1043   ED_CHECKBUTTON_ID_BD_SCAN_FIRST_AND_LAST_ROW,
1044   ED_CHECKBUTTON_ID_BD_SHORT_EXPLOSIONS,
1045   ED_CHECKBUTTON_ID_BD_GRAVITY_AFFECTS_ALL,
1046   ED_CHECKBUTTON_ID_STICK_ELEMENT,
1047   ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS,
1048   ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE,
1049   ED_CHECKBUTTON_ID_USE_SPRING_BUG,
1050   ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG,
1051   ED_CHECKBUTTON_ID_USE_LIFE_BUGS,
1052   ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT,
1053   ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE,
1054   ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE,
1055   ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED,
1056   ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED,
1057   ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN,
1058   ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER,
1059   ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT,
1060   ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE,
1061   ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING,
1062   ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD,
1063   ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD,
1064   ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD,
1065   ED_CHECKBUTTON_ID_INSTANT_RELOCATION,
1066   ED_CHECKBUTTON_ID_SHIFTED_RELOCATION,
1067   ED_CHECKBUTTON_ID_LAZY_RELOCATION,
1068   ED_CHECKBUTTON_ID_USE_START_ELEMENT,
1069   ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT,
1070   ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT,
1071   ED_CHECKBUTTON_ID_INITIAL_GRAVITY,
1072   ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY,
1073   ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE,
1074   ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID,
1075   ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID,
1076   ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH,
1077   ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS,
1078   ED_CHECKBUTTON_ID_BD_TOPMOST_PLAYER_ACTIVE,
1079   ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,
1080   ED_CHECKBUTTON_ID_BD_MAGIC_WALL_WAIT_HATCHING,
1081   ED_CHECKBUTTON_ID_BD_MAGIC_WALL_STOPS_AMOEBA,
1082   ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING,
1083   ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY,
1084   ED_CHECKBUTTON_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,
1085   ED_CHECKBUTTON_ID_BD_VOODOO_COLLECTS_DIAMONDS,
1086   ED_CHECKBUTTON_ID_BD_VOODOO_HURT_KILLS_PLAYER,
1087   ED_CHECKBUTTON_ID_BD_VOODOO_DIES_BY_ROCK,
1088   ED_CHECKBUTTON_ID_BD_VOODOO_VANISH_BY_EXPLOSION,
1089   ED_CHECKBUTTON_ID_BD_SLIME_IS_PREDICTABLE,
1090   ED_CHECKBUTTON_ID_BD_CHANGE_EXPANDING_WALL,
1091   ED_CHECKBUTTON_ID_BD_REPLICATORS_ACTIVE,
1092   ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_ACTIVE,
1093   ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_CHANGED,
1094   ED_CHECKBUTTON_ID_BD_WATER_CANNOT_FLOW_DOWN,
1095   ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP,
1096   ED_CHECKBUTTON_ID_ENVELOPE_CENTERED,
1097   ED_CHECKBUTTON_ID_MM_LASER_RED,
1098   ED_CHECKBUTTON_ID_MM_LASER_GREEN,
1099   ED_CHECKBUTTON_ID_MM_LASER_BLUE,
1100   ED_CHECKBUTTON_ID_DF_LASER_RED,
1101   ED_CHECKBUTTON_ID_DF_LASER_GREEN,
1102   ED_CHECKBUTTON_ID_DF_LASER_BLUE,
1103   ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT,
1104   ED_CHECKBUTTON_ID_EXPLODE_MM_BALL,
1105   ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC,
1106   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1,
1107   ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE,
1108   ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE,
1109   ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE,
1110   ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT,
1111   ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE,
1112   ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE,
1113   ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL,
1114   ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH,
1115   ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY,
1116   ED_CHECKBUTTON_ID_CUSTOM_DEADLY,
1117   ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE,
1118   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE,
1119   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH,
1120   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT,
1121   ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE,
1122   ED_CHECKBUTTON_ID_CHANGE_DELAY,
1123   ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT,
1124   ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT,
1125   ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION,
1126   ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT,
1127   ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE,
1128   ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM,
1129   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION,
1130
1131   ED_NUM_CHECKBUTTONS
1132 };
1133
1134 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS
1135 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE
1136
1137 #define ED_CHECKBUTTON_ID_LEVELSET_FIRST ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK
1138 #define ED_CHECKBUTTON_ID_LEVELSET_LAST  ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE
1139
1140 #define ED_CHECKBUTTON_ID_EDITOR_FIRST  ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
1141 #define ED_CHECKBUTTON_ID_EDITOR_LAST   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2
1142
1143 #define ED_CHECKBUTTON_ID_ENGINE_FIRST  ED_CHECKBUTTON_ID_BD_INTERMISSION
1144 #define ED_CHECKBUTTON_ID_ENGINE_LAST   ED_CHECKBUTTON_ID_BD_GRAVITY_AFFECTS_ALL
1145
1146 #define ED_CHECKBUTTON_ID_CUSTOM1_FIRST ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
1147 #define ED_CHECKBUTTON_ID_CUSTOM1_LAST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
1148 #define ED_CHECKBUTTON_ID_CUSTOM2_FIRST ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE
1149 #define ED_CHECKBUTTON_ID_CUSTOM2_LAST  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
1150 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM1_FIRST
1151 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM2_LAST
1152
1153 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE
1154 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION
1155
1156 // values for radiobutton gadgets
1157 enum
1158 {
1159   ED_RADIOBUTTON_ID_PERCENTAGE,
1160   ED_RADIOBUTTON_ID_QUANTITY,
1161
1162   ED_NUM_RADIOBUTTONS
1163 };
1164
1165 #define ED_RADIOBUTTON_ID_EDITOR_FIRST  ED_RADIOBUTTON_ID_PERCENTAGE
1166 #define ED_RADIOBUTTON_ID_EDITOR_LAST   ED_RADIOBUTTON_ID_QUANTITY
1167
1168 // values for drawing area gadgets
1169 enum
1170 {
1171   ED_DRAWING_ID_DRAWING_LEVEL,
1172   ED_DRAWING_ID_YAMYAM_CONTENT_0,
1173   ED_DRAWING_ID_YAMYAM_CONTENT_1,
1174   ED_DRAWING_ID_YAMYAM_CONTENT_2,
1175   ED_DRAWING_ID_YAMYAM_CONTENT_3,
1176   ED_DRAWING_ID_YAMYAM_CONTENT_4,
1177   ED_DRAWING_ID_YAMYAM_CONTENT_5,
1178   ED_DRAWING_ID_YAMYAM_CONTENT_6,
1179   ED_DRAWING_ID_YAMYAM_CONTENT_7,
1180   ED_DRAWING_ID_MAGIC_BALL_CONTENT_0,
1181   ED_DRAWING_ID_MAGIC_BALL_CONTENT_1,
1182   ED_DRAWING_ID_MAGIC_BALL_CONTENT_2,
1183   ED_DRAWING_ID_MAGIC_BALL_CONTENT_3,
1184   ED_DRAWING_ID_MAGIC_BALL_CONTENT_4,
1185   ED_DRAWING_ID_MAGIC_BALL_CONTENT_5,
1186   ED_DRAWING_ID_MAGIC_BALL_CONTENT_6,
1187   ED_DRAWING_ID_MAGIC_BALL_CONTENT_7,
1188   ED_DRAWING_ID_ANDROID_CONTENT,
1189   ED_DRAWING_ID_AMOEBA_CONTENT,
1190   ED_DRAWING_ID_BD_SNAP_ELEMENT,
1191   ED_DRAWING_ID_BD_MAGIC_WALL_DIAMOND_TO,
1192   ED_DRAWING_ID_BD_MAGIC_WALL_ROCK_TO,
1193   ED_DRAWING_ID_BD_MAGIC_WALL_MEGA_ROCK_TO,
1194   ED_DRAWING_ID_BD_MAGIC_WALL_NUT_TO,
1195   ED_DRAWING_ID_BD_MAGIC_WALL_NITRO_PACK_TO,
1196   ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_DIAMOND_TO,
1197   ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_ROCK_TO,
1198   ED_DRAWING_ID_BD_AMOEBA_CONTENT_TOO_BIG,
1199   ED_DRAWING_ID_BD_AMOEBA_CONTENT_ENCLOSED,
1200   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_TOO_BIG,
1201   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_ENCLOSED,
1202   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_EXPLODING,
1203   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,
1204   ED_DRAWING_ID_BD_ACID_EATS_ELEMENT,
1205   ED_DRAWING_ID_BD_ACID_TURNS_TO_ELEMENT,
1206   ED_DRAWING_ID_BD_BITER_EATS_ELEMENT,
1207   ED_DRAWING_ID_BD_BLADDER_CONVERTS_BY_ELEMENT,
1208   ED_DRAWING_ID_BD_NUT_CONTENT,
1209   ED_DRAWING_ID_START_ELEMENT,
1210   ED_DRAWING_ID_ARTWORK_ELEMENT,
1211   ED_DRAWING_ID_EXPLOSION_ELEMENT,
1212   ED_DRAWING_ID_INVENTORY_CONTENT,
1213   ED_DRAWING_ID_MM_BALL_CONTENT,
1214   ED_DRAWING_ID_CUSTOM_GRAPHIC,
1215   ED_DRAWING_ID_CUSTOM_CONTENT,
1216   ED_DRAWING_ID_CUSTOM_MOVE_ENTER,
1217   ED_DRAWING_ID_CUSTOM_MOVE_LEAVE,
1218   ED_DRAWING_ID_CUSTOM_CHANGE_TARGET,
1219   ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT,
1220   ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER,
1221   ED_DRAWING_ID_CUSTOM_CHANGE_ACTION,
1222   ED_DRAWING_ID_GROUP_CONTENT,
1223   ED_DRAWING_ID_RANDOM_BACKGROUND,
1224
1225   ED_NUM_DRAWING_AREAS
1226 };
1227
1228 #define ED_DRAWING_ID_EDITOR_FIRST      ED_DRAWING_ID_RANDOM_BACKGROUND
1229 #define ED_DRAWING_ID_EDITOR_LAST       ED_DRAWING_ID_RANDOM_BACKGROUND
1230
1231
1232 // ----------------------------------------------------------------------------
1233 // some internally used definitions
1234 // ----------------------------------------------------------------------------
1235
1236 // values for CopyLevelToUndoBuffer()
1237 #define UNDO_IMMEDIATE                  0
1238 #define UNDO_ACCUMULATE                 1
1239
1240 // values for scrollbars
1241 #define ED_SCROLL_NO                    0
1242 #define ED_SCROLL_LEFT                  1
1243 #define ED_SCROLL_RIGHT                 2
1244 #define ED_SCROLL_UP                    4
1245 #define ED_SCROLL_DOWN                  8
1246
1247 // screens in the level editor
1248 #define ED_MODE_DRAWING                 0
1249 #define ED_MODE_LEVELCONFIG             1
1250 #define ED_MODE_PROPERTIES              2
1251 #define ED_MODE_PALETTE                 3
1252
1253 // sub-screens in the global settings section
1254 #define ED_MODE_LEVELCONFIG_LEVEL       ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL
1255 #define ED_MODE_LEVELCONFIG_LEVELSET    ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET
1256 #define ED_MODE_LEVELCONFIG_EDITOR      ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR
1257 #define ED_MODE_LEVELCONFIG_ENGINE      ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE
1258
1259 // sub-screens in the element properties section
1260 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
1261 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
1262 #define ED_MODE_PROPERTIES_CONFIG_1     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1
1263 #define ED_MODE_PROPERTIES_CONFIG_2     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2
1264 #define ED_MODE_PROPERTIES_CHANGE       ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
1265
1266 // how many steps can be cancelled
1267 #define NUM_UNDO_STEPS                  (64 + 1)
1268
1269 // values for elements with score for certain actions
1270 #define MIN_SCORE                       0
1271 #define MAX_SCORE                       999
1272
1273 // values for elements with count for collecting
1274 #define MIN_COLLECT_COUNT               0
1275 #define MAX_COLLECT_COUNT               999
1276
1277 // values for random placement
1278 #define RANDOM_USE_PERCENTAGE           0
1279 #define RANDOM_USE_QUANTITY             1
1280
1281 // values for level set save mode
1282 #define LEVELSET_SAVE_MODE_UPDATE       0
1283 #define LEVELSET_SAVE_MODE_CREATE       1
1284
1285 // default value for element tile size in drawing area
1286 #define DEFAULT_EDITOR_TILESIZE         MINI_TILESIZE
1287 #define DEFAULT_EDITOR_TILESIZE_MM      TILESIZE
1288
1289
1290 // ----------------------------------------------------------------------------
1291 // some internally used data structure definitions
1292 // ----------------------------------------------------------------------------
1293
1294 static struct
1295 {
1296   int graphic;
1297   int gadget_id;
1298   struct XYTileSize *pos;
1299   int gadget_type;
1300   char *infotext;
1301   char shortcut;
1302 } controlbutton_info[ED_NUM_CTRL_BUTTONS] =
1303 {
1304   // note: some additional characters are already reserved for "cheat mode"
1305   // shortcuts (":XYZ" style) -- for details, see "events.c"
1306
1307   // ---------- toolbox control buttons ---------------------------------------
1308
1309   {
1310     IMG_GFX_EDITOR_BUTTON_DRAW_SINGLE,          GADGET_ID_SINGLE_ITEMS,
1311     &editor.button.draw_single,                 GD_TYPE_RADIO_BUTTON,
1312     "Draw single items",                        's'
1313   },
1314   {
1315     IMG_GFX_EDITOR_BUTTON_DRAW_CONNECTED,       GADGET_ID_CONNECTED_ITEMS,
1316     &editor.button.draw_connected,              GD_TYPE_RADIO_BUTTON,
1317     "Draw connected items",                     'd'
1318   },
1319   {
1320     IMG_GFX_EDITOR_BUTTON_DRAW_LINE,            GADGET_ID_LINE,
1321     &editor.button.draw_line,                   GD_TYPE_RADIO_BUTTON,
1322     "Draw lines",                               'l'
1323   },
1324   {
1325     IMG_GFX_EDITOR_BUTTON_DRAW_ARC,             GADGET_ID_ARC,
1326     &editor.button.draw_arc,                    GD_TYPE_RADIO_BUTTON,
1327     "Draw arcs",                                'a'
1328   },
1329   {
1330     IMG_GFX_EDITOR_BUTTON_DRAW_RECTANGLE,       GADGET_ID_RECTANGLE,
1331     &editor.button.draw_rectangle,              GD_TYPE_RADIO_BUTTON,
1332     "Draw outline rectangles",                  'r'
1333   },
1334   {
1335     IMG_GFX_EDITOR_BUTTON_DRAW_FILLED_BOX,      GADGET_ID_FILLED_BOX,
1336     &editor.button.draw_filled_box,             GD_TYPE_RADIO_BUTTON,
1337     "Draw filled rectangles",                   'R'
1338   },
1339   {
1340     IMG_GFX_EDITOR_BUTTON_ROTATE_UP,            GADGET_ID_WRAP_UP,
1341     &editor.button.rotate_up,                   GD_TYPE_NORMAL_BUTTON,
1342     "Wrap (rotate) level up",                   0
1343   },
1344   {
1345     IMG_GFX_EDITOR_BUTTON_DRAW_TEXT,            GADGET_ID_TEXT,
1346     &editor.button.draw_text,                   GD_TYPE_RADIO_BUTTON,
1347     "Enter text elements",                      't'
1348   },
1349   {
1350     IMG_GFX_EDITOR_BUTTON_FLOOD_FILL,           GADGET_ID_FLOOD_FILL,
1351     &editor.button.flood_fill,                  GD_TYPE_RADIO_BUTTON,
1352     "Flood fill",                               'f'
1353   },
1354   {
1355     IMG_GFX_EDITOR_BUTTON_ROTATE_LEFT,          GADGET_ID_WRAP_LEFT,
1356     &editor.button.rotate_left,                 GD_TYPE_NORMAL_BUTTON,
1357     "Wrap (rotate) level left",                 0
1358   },
1359   {
1360     IMG_GFX_EDITOR_BUTTON_ZOOM_LEVEL,           GADGET_ID_ZOOM,
1361     &editor.button.zoom_level,                  GD_TYPE_NORMAL_BUTTON,
1362     "Zoom level tile size",                     '+'
1363   },
1364   {
1365     IMG_GFX_EDITOR_BUTTON_ROTATE_RIGHT,         GADGET_ID_WRAP_RIGHT,
1366     &editor.button.rotate_right,                GD_TYPE_NORMAL_BUTTON,
1367     "Wrap (rotate) level right",                0
1368   },
1369   {
1370     IMG_GFX_EDITOR_BUTTON_DRAW_RANDOM,          GADGET_ID_RANDOM_PLACEMENT,
1371     &editor.button.draw_random,                 GD_TYPE_NORMAL_BUTTON,
1372     "Random element placement",                 0
1373   },
1374   {
1375     IMG_GFX_EDITOR_BUTTON_GRAB_BRUSH,           GADGET_ID_GRAB_BRUSH,
1376     &editor.button.grab_brush,                  GD_TYPE_RADIO_BUTTON,
1377     "Grab brush",                               'b'
1378   },
1379   {
1380     IMG_GFX_EDITOR_BUTTON_ROTATE_DOWN,          GADGET_ID_WRAP_DOWN,
1381     &editor.button.rotate_down,                 GD_TYPE_NORMAL_BUTTON,
1382     "Wrap (rotate) level down",                 0
1383   },
1384   {
1385     IMG_GFX_EDITOR_BUTTON_PICK_ELEMENT,         GADGET_ID_PICK_ELEMENT,
1386     &editor.button.pick_element,                GD_TYPE_RADIO_BUTTON,
1387     "Pick drawing element",                     ','
1388   },
1389
1390   // ---------- level control buttons -----------------------------------------
1391
1392   {
1393     IMG_GFX_EDITOR_BUTTON_UNDO,                 GADGET_ID_UNDO,
1394     &editor.button.undo,                        GD_TYPE_NORMAL_BUTTON,
1395     "Undo/redo last operation",                 'u'
1396   },
1397   {
1398     IMG_GFX_EDITOR_BUTTON_CONF,                 GADGET_ID_CONF,
1399     &editor.button.conf,                        GD_TYPE_NORMAL_BUTTON,
1400     "Level and editor settings",                'I'
1401   },
1402   {
1403     IMG_GFX_EDITOR_BUTTON_SAVE,                 GADGET_ID_SAVE,
1404     &editor.button.save,                        GD_TYPE_NORMAL_BUTTON,
1405     "Save level",                               'S'
1406   },
1407   {
1408     IMG_GFX_EDITOR_BUTTON_CLEAR,                GADGET_ID_CLEAR,
1409     &editor.button.clear,                       GD_TYPE_NORMAL_BUTTON,
1410     "Clear level",                              'C'
1411   },
1412   {
1413     IMG_GFX_EDITOR_BUTTON_TEST,                 GADGET_ID_TEST,
1414     &editor.button.test,                        GD_TYPE_NORMAL_BUTTON,
1415     "Test level",                               'T'
1416   },
1417   {
1418     IMG_GFX_EDITOR_BUTTON_EXIT,                 GADGET_ID_EXIT,
1419     &editor.button.exit,                        GD_TYPE_NORMAL_BUTTON,
1420     "Exit level editor",                        'E'
1421   },
1422
1423   // ---------- CE and GE control buttons -------------------------------------
1424
1425   {
1426     IMG_GFX_EDITOR_BUTTON_CE_COPY_FROM,         GADGET_ID_CUSTOM_COPY_FROM,
1427     &editor.button.ce_copy_from,                GD_TYPE_RADIO_BUTTON,
1428     "Copy settings from other element",         0
1429   },
1430   {
1431     IMG_GFX_EDITOR_BUTTON_CE_COPY_TO,           GADGET_ID_CUSTOM_COPY_TO,
1432     &editor.button.ce_copy_to,                  GD_TYPE_RADIO_BUTTON,
1433     "Copy settings to other element",           0
1434   },
1435   {
1436     IMG_GFX_EDITOR_BUTTON_CE_SWAP,              GADGET_ID_CUSTOM_EXCHANGE,
1437     &editor.button.ce_swap,                     GD_TYPE_RADIO_BUTTON,
1438     "Exchange element with other element",      0
1439   },
1440   {
1441     IMG_GFX_EDITOR_BUTTON_CE_COPY,              GADGET_ID_CUSTOM_COPY,
1442     &editor.button.ce_copy,                     GD_TYPE_NORMAL_BUTTON,
1443     "Copy settings from this element",          0
1444   },
1445   {
1446     IMG_GFX_EDITOR_BUTTON_CE_PASTE,             GADGET_ID_CUSTOM_PASTE,
1447     &editor.button.ce_paste,                    GD_TYPE_NORMAL_BUTTON,
1448     "Paste settings to this element",           0
1449   },
1450
1451   // ---------- palette control buttons ---------------------------------------
1452
1453   {
1454     IMG_GFX_EDITOR_BUTTON_PROPERTIES,           GADGET_ID_PROPERTIES,
1455     &editor.button.properties,                  GD_TYPE_NORMAL_BUTTON,
1456     "Properties of drawing element",            'p'
1457   },
1458   {
1459     IMG_GFX_EDITOR_BUTTON_ELEMENT_LEFT,         GADGET_ID_ELEMENT_LEFT,
1460     &editor.button.element_left,                GD_TYPE_NORMAL_BUTTON,
1461     "Properties of drawing element 1",          '1'
1462   },
1463   {
1464     IMG_GFX_EDITOR_BUTTON_ELEMENT_MIDDLE,       GADGET_ID_ELEMENT_MIDDLE,
1465     &editor.button.element_middle,              GD_TYPE_NORMAL_BUTTON,
1466     "Properties of drawing element 2",          '2'
1467   },
1468   {
1469     IMG_GFX_EDITOR_BUTTON_ELEMENT_RIGHT,        GADGET_ID_ELEMENT_RIGHT,
1470     &editor.button.element_right,               GD_TYPE_NORMAL_BUTTON,
1471     "Properties of drawing element 3",          '3'
1472   },
1473   {
1474     IMG_GFX_EDITOR_BUTTON_PALETTE,              GADGET_ID_PALETTE,
1475     &editor.button.palette,                     GD_TYPE_NORMAL_BUTTON,
1476     "Show list of elements",                    'e'
1477   }
1478 };
1479
1480 static int random_placement_value = 10;
1481 static int random_placement_method = RANDOM_USE_QUANTITY;
1482 static int random_placement_background_element = EL_SAND;
1483 static boolean random_placement_background_restricted = FALSE;
1484 static boolean stick_element_properties_window = FALSE;
1485 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
1486 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
1487 static struct ElementChangeInfo custom_element_change;
1488 static struct ElementGroupInfo group_element_info;
1489 static struct ElementInfo custom_element;
1490
1491 static char levelset_name[MAX_LEVEL_NAME_LEN + 1];
1492 static char levelset_author[MAX_LEVEL_AUTHOR_LEN + 1];
1493 static int levelset_num_levels = 100;
1494 static boolean levelset_use_levelset_artwork = FALSE;
1495 static boolean levelset_copy_level_template = FALSE;
1496 static int levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
1497
1498 static struct
1499 {
1500   int gadget_type_id;
1501   int x, y;
1502   int min_value, max_value;
1503   int gadget_id_down, gadget_id_up;
1504   int gadget_id_text;
1505   int gadget_id_align;
1506   int *value;
1507   char *text_above, *text_left, *text_right;
1508 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
1509 {
1510   // ---------- current level number ------------------------------------------
1511
1512   {
1513     ED_COUNTER_ID_SELECT_LEVEL,
1514     -1, -1,     // these values are not constant, but can change at runtime
1515     1,                                  100,
1516     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
1517     GADGET_ID_SELECT_LEVEL_TEXT,        GADGET_ID_NONE,
1518     &level_nr,
1519     NULL,                               NULL, NULL
1520   },
1521
1522   // ---------- level and editor settings -------------------------------------
1523
1524   {
1525     ED_COUNTER_ID_LEVEL_XSIZE,
1526     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1527     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
1528     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
1529     GADGET_ID_LEVEL_XSIZE_TEXT,         GADGET_ID_NONE,
1530     &level.fieldx,
1531     "Playfield size:",                  NULL, "Width",
1532   },
1533   {
1534     ED_COUNTER_ID_LEVEL_YSIZE,
1535     -1,                                 ED_LEVEL_SETTINGS_YPOS(4),
1536     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
1537     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
1538     GADGET_ID_LEVEL_YSIZE_TEXT,         GADGET_ID_LEVEL_XSIZE_UP,
1539     &level.fieldy,
1540     NULL,                               " ", "Height",
1541   },
1542   {
1543     ED_COUNTER_ID_LEVEL_GEMSLIMIT,
1544     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
1545     0,                                  999,
1546     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
1547     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,     GADGET_ID_NONE,
1548     &level.gems_needed,
1549     NULL,                               "Number of gems to collect:", NULL
1550   },
1551   {
1552     ED_COUNTER_ID_LEVEL_TIMELIMIT,
1553     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
1554     0,                                  9999,
1555     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
1556     GADGET_ID_LEVEL_TIMELIMIT_TEXT,     GADGET_ID_NONE,
1557     &level.time,
1558     "Time or step limit to solve level:", NULL, NULL
1559   },
1560   {
1561     ED_COUNTER_ID_LEVEL_TIMESCORE,
1562     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
1563     0,                                  999,
1564     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
1565     GADGET_ID_LEVEL_TIMESCORE_TEXT,     GADGET_ID_NONE,
1566     &level.score[SC_TIME_BONUS],
1567     "Score for time or steps left:",    NULL, NULL
1568   },
1569   {
1570     ED_COUNTER_ID_LEVEL_RANDOM_SEED,
1571     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(13),
1572     0,                                  9999,
1573     GADGET_ID_LEVEL_RANDOM_SEED_DOWN,   GADGET_ID_LEVEL_RANDOM_SEED_UP,
1574     GADGET_ID_LEVEL_RANDOM_SEED_TEXT,   GADGET_ID_NONE,
1575     &level.random_seed,
1576     NULL,                               "Random seed:", "(0 => random)"
1577   },
1578   {
1579     ED_COUNTER_ID_LEVELSET_NUM_LEVELS,
1580     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1581     1,                                  MAX_LEVELS,
1582     GADGET_ID_LEVELSET_NUM_LEVELS_DOWN, GADGET_ID_LEVELSET_NUM_LEVELS_UP,
1583     GADGET_ID_LEVELSET_NUM_LEVELS_TEXT, GADGET_ID_NONE,
1584     &levelset_num_levels,
1585     "Number of levels:",                NULL, NULL,
1586   },
1587   {
1588     ED_COUNTER_ID_LEVEL_RANDOM,
1589     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1590     1,                                  100,
1591     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
1592     GADGET_ID_LEVEL_RANDOM_TEXT,        GADGET_ID_NONE,
1593     &random_placement_value,
1594     "Random element placement:",        NULL, "in"
1595   },
1596   {
1597     ED_COUNTER_ID_BD_CYCLE_DELAY_MS,
1598     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(3),
1599     50,                                 500,
1600     GADGET_ID_BD_CYCLE_DELAY_MS_DOWN,   GADGET_ID_BD_CYCLE_DELAY_MS_UP,
1601     GADGET_ID_BD_CYCLE_DELAY_MS_TEXT,   GADGET_ID_NONE,
1602     &level.bd_cycle_delay_ms,
1603     NULL,                               NULL, "Game cycle delay (ms)"
1604   },
1605   {
1606     ED_COUNTER_ID_BD_CYCLE_DELAY_C64,
1607     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(3),
1608     0,                                  32,
1609     GADGET_ID_BD_CYCLE_DELAY_C64_DOWN,  GADGET_ID_BD_CYCLE_DELAY_C64_UP,
1610     GADGET_ID_BD_CYCLE_DELAY_C64_TEXT,  GADGET_ID_NONE,
1611     &level.bd_cycle_delay_c64,
1612     NULL,                               NULL, "Game cycle delay (C64-style)"
1613   },
1614   {
1615     ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES,
1616     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1617     1,                                  40,
1618     GADGET_ID_BD_HATCHING_DELAY_CYCLES_DOWN,    GADGET_ID_BD_HATCHING_DELAY_CYCLES_UP,
1619     GADGET_ID_BD_HATCHING_DELAY_CYCLES_TEXT,    GADGET_ID_NONE,
1620     &level.bd_hatching_delay_cycles,
1621     NULL,                               NULL, "Hatching delay (cycles)"
1622   },
1623   {
1624     ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS,
1625     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1626     1,                                  40,
1627     GADGET_ID_BD_HATCHING_DELAY_SECONDS_DOWN,   GADGET_ID_BD_HATCHING_DELAY_SECONDS_UP,
1628     GADGET_ID_BD_HATCHING_DELAY_SECONDS_TEXT,   GADGET_ID_NONE,
1629     &level.bd_hatching_delay_seconds,
1630     NULL,                               NULL, "Hatching delay (seconds)"
1631   },
1632
1633   // ---------- element settings: configure (various elements) ----------------
1634
1635   {
1636     ED_COUNTER_ID_BD_PUSHING_PROB,
1637     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1638     0,                                  100,
1639     GADGET_ID_BD_PUSHING_PROB_DOWN,     GADGET_ID_BD_PUSHING_PROB_UP,
1640     GADGET_ID_BD_PUSHING_PROB_TEXT,     GADGET_ID_NONE,
1641     &level.bd_pushing_prob,
1642     NULL,                               NULL, "Push probability"
1643   },
1644   {
1645     ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET,
1646     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1647     0,                                  100,
1648     GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_DOWN,  GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_UP,
1649     GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_TEXT,  GADGET_ID_NONE,
1650     &level.bd_pushing_prob_with_sweet,
1651     NULL,                               NULL, "Push probability with sweet"
1652   },
1653   {
1654     ED_COUNTER_ID_ELEMENT_VALUE1,
1655     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1656     MIN_SCORE,                          MAX_SCORE,
1657     GADGET_ID_ELEMENT_VALUE1_DOWN,      GADGET_ID_ELEMENT_VALUE1_UP,
1658     GADGET_ID_ELEMENT_VALUE1_TEXT,      GADGET_ID_NONE,
1659     NULL,                               // will be set when used
1660     NULL,                               NULL, NULL
1661   },
1662   {
1663     ED_COUNTER_ID_ELEMENT_VALUE2,
1664     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
1665     MIN_SCORE,                          MAX_SCORE,
1666     GADGET_ID_ELEMENT_VALUE2_DOWN,      GADGET_ID_ELEMENT_VALUE2_UP,
1667     GADGET_ID_ELEMENT_VALUE2_TEXT,      GADGET_ID_NONE,
1668     NULL,                               // will be set when used
1669     NULL,                               NULL, NULL
1670   },
1671   {
1672     ED_COUNTER_ID_ELEMENT_VALUE3,
1673     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1674     MIN_SCORE,                          MAX_SCORE,
1675     GADGET_ID_ELEMENT_VALUE3_DOWN,      GADGET_ID_ELEMENT_VALUE3_UP,
1676     GADGET_ID_ELEMENT_VALUE3_TEXT,      GADGET_ID_NONE,
1677     NULL,                               // will be set when used
1678     NULL,                               NULL, NULL
1679   },
1680   {
1681     ED_COUNTER_ID_ELEMENT_VALUE4,
1682     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1683     MIN_SCORE,                          MAX_SCORE,
1684     GADGET_ID_ELEMENT_VALUE4_DOWN,      GADGET_ID_ELEMENT_VALUE4_UP,
1685     GADGET_ID_ELEMENT_VALUE4_TEXT,      GADGET_ID_NONE,
1686     NULL,                               // will be set when used
1687     NULL,                               NULL, NULL
1688   },
1689   {
1690     ED_COUNTER_ID_YAMYAM_CONTENT,
1691     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1692     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1693     GADGET_ID_YAMYAM_CONTENT_DOWN,      GADGET_ID_YAMYAM_CONTENT_UP,
1694     GADGET_ID_YAMYAM_CONTENT_TEXT,      GADGET_ID_NONE,
1695     &level.num_yamyam_contents,
1696     NULL,                               NULL, "Number of content areas"
1697   },
1698   {
1699     ED_COUNTER_ID_BALL_CONTENT,
1700     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1701     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1702     GADGET_ID_BALL_CONTENT_DOWN,        GADGET_ID_BALL_CONTENT_UP,
1703     GADGET_ID_BALL_CONTENT_TEXT,        GADGET_ID_NONE,
1704     &level.num_ball_contents,
1705     NULL,                               NULL, "Number of content areas"
1706   },
1707   {
1708     ED_COUNTER_ID_ANDROID_CONTENT,
1709     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1710     MIN_ANDROID_ELEMENTS,               MAX_ANDROID_ELEMENTS,
1711     GADGET_ID_ANDROID_CONTENT_DOWN,     GADGET_ID_ANDROID_CONTENT_UP,
1712     GADGET_ID_ANDROID_CONTENT_TEXT,     GADGET_ID_NONE,
1713     &level.num_android_clone_elements,
1714     NULL,                               NULL, "Number of clonable elements"
1715   },
1716   {
1717     ED_COUNTER_ID_ENVELOPE_XSIZE,
1718     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1719     MIN_ENVELOPE_XSIZE,                 MAX_ENVELOPE_XSIZE,
1720     GADGET_ID_ENVELOPE_XSIZE_DOWN,      GADGET_ID_ENVELOPE_XSIZE_UP,
1721     GADGET_ID_ENVELOPE_XSIZE_TEXT,      GADGET_ID_NONE,
1722     NULL,                               // will be set when used
1723     NULL,                               NULL, "Width",
1724   },
1725   {
1726     ED_COUNTER_ID_ENVELOPE_YSIZE,
1727     -1,                                 ED_ELEMENT_SETTINGS_YPOS(0),
1728     MIN_ENVELOPE_YSIZE,                 MAX_ENVELOPE_YSIZE,
1729     GADGET_ID_ENVELOPE_YSIZE_DOWN,      GADGET_ID_ENVELOPE_YSIZE_UP,
1730     GADGET_ID_ENVELOPE_YSIZE_TEXT,      GADGET_ID_ENVELOPE_XSIZE_UP,
1731     NULL,                               // will be set when used
1732     NULL,                               " ", "Height",
1733   },
1734   {
1735     ED_COUNTER_ID_INVENTORY_SIZE,
1736     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1737     MIN_INITIAL_INVENTORY_SIZE,         MAX_INITIAL_INVENTORY_SIZE,
1738     GADGET_ID_INVENTORY_SIZE_DOWN,      GADGET_ID_INVENTORY_SIZE_UP,
1739     GADGET_ID_INVENTORY_SIZE_TEXT,      GADGET_ID_NONE,
1740     &level.initial_inventory_size[0],
1741     NULL,                               NULL, "Number of inventory elements"
1742   },
1743   {
1744     ED_COUNTER_ID_MM_BALL_CONTENT,
1745     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1746     MIN_ELEMENTS_IN_GROUP,              MAX_MM_BALL_CONTENTS,
1747     GADGET_ID_MM_BALL_CONTENT_DOWN,     GADGET_ID_MM_BALL_CONTENT_UP,
1748     GADGET_ID_MM_BALL_CONTENT_TEXT,     GADGET_ID_NONE,
1749     &level.num_mm_ball_contents,
1750     NULL,                               NULL, "Number of content elements"
1751   },
1752
1753   // ---------- element settings: configure 1 (custom elements) ---------------
1754
1755   {
1756     ED_COUNTER_ID_CUSTOM_SCORE,
1757     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1758     MIN_SCORE,                          MAX_SCORE,
1759     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
1760     GADGET_ID_CUSTOM_SCORE_TEXT,        GADGET_ID_NONE,
1761     &custom_element.collect_score_initial,
1762     NULL,                               "CE score", " "
1763   },
1764   {
1765     ED_COUNTER_ID_CUSTOM_GEMCOUNT,
1766     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1767     MIN_COLLECT_COUNT,                  MAX_COLLECT_COUNT,
1768     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
1769     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,     GADGET_ID_CUSTOM_SCORE_UP,
1770     &custom_element.collect_count_initial,
1771     NULL,                               "CE count", NULL
1772   },
1773   {
1774     ED_COUNTER_ID_CUSTOM_VALUE_FIX,
1775     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1776     0,                                  9999,
1777     GADGET_ID_CUSTOM_VALUE_FIX_DOWN,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1778     GADGET_ID_CUSTOM_VALUE_FIX_TEXT,    GADGET_ID_NONE,
1779     &custom_element.ce_value_fixed_initial,
1780     NULL,                               "CE value", NULL
1781   },
1782   {
1783     ED_COUNTER_ID_CUSTOM_VALUE_RND,
1784     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1785     0,                                  9999,
1786     GADGET_ID_CUSTOM_VALUE_RND_DOWN,    GADGET_ID_CUSTOM_VALUE_RND_UP,
1787     GADGET_ID_CUSTOM_VALUE_RND_TEXT,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1788     &custom_element.ce_value_random_initial,
1789     NULL,                               "+random", NULL
1790   },
1791   {
1792     ED_COUNTER_ID_PUSH_DELAY_FIX,
1793     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1794     0,                                  999,
1795     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
1796     GADGET_ID_PUSH_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1797     &custom_element.push_delay_fixed,
1798     NULL,                               "Push delay", NULL
1799   },
1800   {
1801     ED_COUNTER_ID_PUSH_DELAY_RND,
1802     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1803     0,                                  999,
1804     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
1805     GADGET_ID_PUSH_DELAY_RND_TEXT,      GADGET_ID_PUSH_DELAY_FIX_UP,
1806     &custom_element.push_delay_random,
1807     NULL,                               "+random", NULL
1808   },
1809   {
1810     ED_COUNTER_ID_DROP_DELAY_FIX,
1811     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(7),
1812     0,                                  999,
1813     GADGET_ID_DROP_DELAY_FIX_DOWN,      GADGET_ID_DROP_DELAY_FIX_UP,
1814     GADGET_ID_DROP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1815     &custom_element.drop_delay_fixed,
1816     NULL,                               "Drop delay", NULL
1817   },
1818   {
1819     ED_COUNTER_ID_DROP_DELAY_RND,
1820     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
1821     0,                                  999,
1822     GADGET_ID_DROP_DELAY_RND_DOWN,      GADGET_ID_DROP_DELAY_RND_UP,
1823     GADGET_ID_DROP_DELAY_RND_TEXT,      GADGET_ID_DROP_DELAY_FIX_UP,
1824     &custom_element.drop_delay_random,
1825     NULL,                               "+random", NULL
1826   },
1827
1828   // ---------- element settings: configure 2 (custom elements) ---------------
1829
1830   {
1831     ED_COUNTER_ID_MOVE_DELAY_FIX,
1832     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1833     0,                                  999,
1834     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
1835     GADGET_ID_MOVE_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1836     &custom_element.move_delay_fixed,
1837     NULL,                               "Move delay", NULL
1838   },
1839   {
1840     ED_COUNTER_ID_MOVE_DELAY_RND,
1841     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1842     0,                                  999,
1843     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
1844     GADGET_ID_MOVE_DELAY_RND_TEXT,      GADGET_ID_MOVE_DELAY_FIX_UP,
1845     &custom_element.move_delay_random,
1846     NULL,                               "+random", NULL
1847   },
1848   {
1849     ED_COUNTER_ID_STEP_DELAY_FIX,
1850     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1851     0,                                  999,
1852     GADGET_ID_STEP_DELAY_FIX_DOWN,      GADGET_ID_STEP_DELAY_FIX_UP,
1853     GADGET_ID_STEP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1854     &custom_element.step_delay_fixed,
1855     NULL,                               "Step delay", NULL
1856   },
1857   {
1858     ED_COUNTER_ID_STEP_DELAY_RND,
1859     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1860     0,                                  999,
1861     GADGET_ID_STEP_DELAY_RND_DOWN,      GADGET_ID_STEP_DELAY_RND_UP,
1862     GADGET_ID_STEP_DELAY_RND_TEXT,      GADGET_ID_STEP_DELAY_FIX_UP,
1863     &custom_element.step_delay_random,
1864     NULL,                               "+random", NULL
1865   },
1866   {
1867     ED_COUNTER_ID_EXPLOSION_DELAY,
1868     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
1869     0,                                  999,
1870     GADGET_ID_EXPLOSION_DELAY_DOWN,     GADGET_ID_EXPLOSION_DELAY_UP,
1871     GADGET_ID_EXPLOSION_DELAY_TEXT,     GADGET_ID_NONE,
1872     &custom_element.explosion_delay,
1873     NULL,                               "Explosion delay", NULL
1874   },
1875   {
1876     ED_COUNTER_ID_IGNITION_DELAY,
1877     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
1878     0,                                  999,
1879     GADGET_ID_IGNITION_DELAY_DOWN,      GADGET_ID_IGNITION_DELAY_UP,
1880     GADGET_ID_IGNITION_DELAY_TEXT,      GADGET_ID_NONE,
1881     &custom_element.ignition_delay,
1882     NULL,                               "Ignition delay", "(by fire)"
1883   },
1884
1885   // ---------- element settings: configure (group elements) ------------------
1886
1887   {
1888     ED_COUNTER_ID_GROUP_CONTENT,
1889     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1890     MIN_ELEMENTS_IN_GROUP,              MAX_ELEMENTS_IN_GROUP,
1891     GADGET_ID_GROUP_CONTENT_DOWN,       GADGET_ID_GROUP_CONTENT_UP,
1892     GADGET_ID_GROUP_CONTENT_TEXT,       GADGET_ID_NONE,
1893     &group_element_info.num_elements,
1894     NULL,                               NULL, "Number of elements in group"
1895   },
1896
1897   // ---------- element settings: advanced (custom elements) ------------------
1898
1899   {
1900     ED_COUNTER_ID_CHANGE_DELAY_FIX,
1901     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(2),
1902     0,                                  999,
1903     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1904     GADGET_ID_CHANGE_DELAY_FIX_TEXT,    GADGET_ID_NONE,
1905     &custom_element_change.delay_fixed,
1906     NULL,                               "CE delay", NULL,
1907   },
1908   {
1909     ED_COUNTER_ID_CHANGE_DELAY_RND,
1910     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
1911     0,                                  999,
1912     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
1913     GADGET_ID_CHANGE_DELAY_RND_TEXT,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1914     &custom_element_change.delay_random,
1915     NULL,                               "+random", NULL
1916   },
1917   {
1918     ED_COUNTER_ID_CHANGE_CONT_RND,
1919     ED_ELEMENT_SETTINGS_XPOS(3),        ED_ELEMENT_SETTINGS_YPOS(12),
1920     0,                                  100,
1921     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
1922     GADGET_ID_CHANGE_CONT_RND_TEXT,     GADGET_ID_NONE,
1923     &custom_element_change.random_percentage,
1924     NULL,                               "Use random replace:", "%"
1925   },
1926 };
1927
1928 static struct
1929 {
1930   int gadget_type_id;
1931   int x, y;
1932   int gadget_id;
1933   int size;
1934   char *value;
1935   char *text_above, *infotext;
1936 } textinput_info[ED_NUM_TEXTINPUT] =
1937 {
1938   {
1939     ED_TEXTINPUT_ID_LEVEL_NAME,
1940     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1941     GADGET_ID_LEVEL_NAME,
1942     MAX_LEVEL_NAME_LEN,
1943     level.name,
1944     "Title:", "Title for this level"
1945   },
1946   {
1947     ED_TEXTINPUT_ID_LEVEL_AUTHOR,
1948     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1949     GADGET_ID_LEVEL_AUTHOR,
1950     MAX_LEVEL_AUTHOR_LEN,
1951     level.author,
1952     "Author:", "Author for this level"
1953   },
1954   {
1955     ED_TEXTINPUT_ID_LEVELSET_NAME,
1956     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1957     GADGET_ID_LEVELSET_NAME,
1958     MAX_LEVEL_NAME_LEN,
1959     levelset_name,
1960     "Title:", "Title for this or new level set"
1961   },
1962   {
1963     ED_TEXTINPUT_ID_LEVELSET_AUTHOR,
1964     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1965     GADGET_ID_LEVELSET_AUTHOR,
1966     MAX_LEVEL_AUTHOR_LEN,
1967     levelset_author,
1968     "Author:", "Author for this or new level set"
1969   },
1970   {
1971     ED_TEXTINPUT_ID_ELEMENT_NAME,
1972     -1, -1,     // these values are not constant, but can change at runtime
1973     GADGET_ID_ELEMENT_NAME,
1974     MAX_ELEMENT_NAME_LEN - 2,           // currently 2 chars less editable
1975     custom_element.description,
1976     NULL, "Element name"
1977   }
1978 };
1979
1980 static struct
1981 {
1982   int gadget_type_id;
1983   int x, y;
1984   int gadget_id;
1985   int xsize, ysize;
1986   char *value;
1987   char *text_above, *text_above_cropped, *infotext;
1988 } textarea_info[ED_NUM_TEXTAREAS] =
1989 {
1990   {
1991     ED_TEXTAREA_ID_ENVELOPE_INFO,
1992     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1993     GADGET_ID_ENVELOPE_INFO,
1994     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
1995     NULL,
1996     "Envelope Content:", "Envelope Content (cropped):", "Envelope Content"
1997   }
1998 };
1999
2000 static struct ValueTextInfo options_time_or_steps[] =
2001 {
2002   { 0,                          "seconds"                       },
2003   { 1,                          "steps"                         },
2004
2005   { -1,                         NULL                            }
2006 };
2007
2008 static struct ValueTextInfo options_time_score_base[] =
2009 {
2010   { 1,                          "per second/step"               },
2011   { 10,                         "per 10 seconds/steps"          },
2012
2013   { -1,                         NULL                            }
2014 };
2015
2016 static struct ValueTextInfo options_game_engine_type[] =
2017 {
2018   { GAME_ENGINE_TYPE_RND,       "Rocks'n'Diamonds"              },
2019   { GAME_ENGINE_TYPE_BD,        "Boulder Dash"                  },
2020   { GAME_ENGINE_TYPE_EM,        "Emerald Mine"                  },
2021   { GAME_ENGINE_TYPE_SP,        "Supaplex"                      },
2022   { GAME_ENGINE_TYPE_MM,        "Mirror Magic"                  },
2023
2024   { -1,                         NULL                            }
2025 };
2026
2027 static struct ValueTextInfo options_levelset_save_mode[] =
2028 {
2029   { LEVELSET_SAVE_MODE_UPDATE,  "Update this level set"         },
2030   { LEVELSET_SAVE_MODE_CREATE,  "Create new level set"          },
2031
2032   { -1,                         NULL                            }
2033 };
2034
2035 static struct ValueTextInfo options_wind_direction[] =
2036 {
2037   { MV_START_NONE,              "none"                          },
2038   { MV_START_LEFT,              "left"                          },
2039   { MV_START_RIGHT,             "right"                         },
2040   { MV_START_UP,                "up"                            },
2041   { MV_START_DOWN,              "down"                          },
2042
2043   { -1,                         NULL                            }
2044 };
2045
2046 static struct ValueTextInfo options_player_speed[] =
2047 {
2048   { 0,                          "frozen"                        },
2049   { 1,                          "very slow"                     },
2050   { 2,                          "slow"                          },
2051   { 4,                          "normal"                        },
2052   { 8,                          "fast"                          },
2053   { 16,                         "very fast"                     },
2054   { 32,                         "ultrafast"                     },
2055
2056   { -1,                         NULL                            }
2057 };
2058
2059 static struct ValueTextInfo options_access_type[] =
2060 {
2061   { EP_WALKABLE,                "walkable"                      },
2062   { EP_PASSABLE,                "passable"                      },
2063
2064   { -1,                         NULL                            }
2065 };
2066
2067 static struct ValueTextInfo options_access_layer[] =
2068 {
2069   { EP_ACCESSIBLE_OVER,         "over"                          },
2070   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
2071   { EP_ACCESSIBLE_UNDER,        "under"                         },
2072
2073   { -1,                         NULL                            }
2074 };
2075
2076 static struct ValueTextInfo options_access_protected[] =
2077 {
2078   { 0,                          "unprotected"                   },
2079   { 1,                          "protected"                     },
2080
2081   { -1,                         NULL                            }
2082 };
2083
2084 static struct ValueTextInfo options_access_direction[] =
2085 {
2086   { MV_NO_DIRECTION,            "no direction"                  },
2087   { MV_LEFT,                    "left"                          },
2088   { MV_RIGHT,                   "right"                         },
2089   { MV_UP,                      "up"                            },
2090   { MV_DOWN,                    "down"                          },
2091   { MV_LEFT  | MV_UP,           "left + up"                     },
2092   { MV_LEFT  | MV_DOWN,         "left + down"                   },
2093   { MV_RIGHT | MV_UP,           "right + up"                    },
2094   { MV_RIGHT | MV_DOWN,         "right + down"                  },
2095   { MV_HORIZONTAL,              "horizontal"                    },
2096   { MV_VERTICAL,                "vertical"                      },
2097   { MV_HORIZONTAL | MV_UP,      "horizontal + up"               },
2098   { MV_HORIZONTAL | MV_DOWN,    "horizontal + down"             },
2099   { MV_VERTICAL   | MV_LEFT,    "vertical + left"               },
2100   { MV_VERTICAL   | MV_RIGHT,   "vertical + right"              },
2101   { MV_ALL_DIRECTIONS,          "all directions"                },
2102
2103   { -1,                         NULL                            }
2104 };
2105
2106 static struct ValueTextInfo options_walk_to_action[] =
2107 {
2108   { EP_DIGGABLE,                "diggable"                      },
2109   { EP_COLLECTIBLE_ONLY,        "collectible"                   },
2110   { EP_DROPPABLE,               "collectible & droppable"       },
2111   { EP_THROWABLE,               "collectible & throwable"       },
2112   { EP_PUSHABLE,                "pushable"                      },
2113
2114   { -1,                         NULL                            }
2115 };
2116
2117 static struct ValueTextInfo options_move_pattern[] =
2118 {
2119   { MV_LEFT,                    "left"                          },
2120   { MV_RIGHT,                   "right"                         },
2121   { MV_UP,                      "up"                            },
2122   { MV_DOWN,                    "down"                          },
2123   { MV_HORIZONTAL,              "horizontal"                    },
2124   { MV_VERTICAL,                "vertical"                      },
2125   { MV_ALL_DIRECTIONS,          "all directions"                },
2126   { MV_WIND_DIRECTION,          "wind direction"                },
2127   { MV_TOWARDS_PLAYER,          "towards player"                },
2128   { MV_AWAY_FROM_PLAYER,        "away from player"              },
2129   { MV_ALONG_LEFT_SIDE,         "along left side"               },
2130   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
2131   { MV_TURNING_LEFT,            "turning left"                  },
2132   { MV_TURNING_RIGHT,           "turning right"                 },
2133   { MV_TURNING_LEFT_RIGHT,      "turning left, right"           },
2134   { MV_TURNING_RIGHT_LEFT,      "turning right, left"           },
2135   { MV_TURNING_RANDOM,          "turning random"                },
2136   { MV_MAZE_RUNNER,             "maze runner style"             },
2137   { MV_MAZE_HUNTER,             "maze hunter style"             },
2138   { MV_WHEN_PUSHED,             "when pushed"                   },
2139   { MV_WHEN_DROPPED,            "when dropped/thrown"           },
2140
2141   { -1,                         NULL                            }
2142 };
2143
2144 static struct ValueTextInfo options_move_direction[] =
2145 {
2146   { MV_START_AUTOMATIC,         "automatic"                     },
2147   { MV_START_LEFT,              "left"                          },
2148   { MV_START_RIGHT,             "right"                         },
2149   { MV_START_UP,                "up"                            },
2150   { MV_START_DOWN,              "down"                          },
2151   { MV_START_RANDOM,            "random"                        },
2152   { MV_START_PREVIOUS,          "previous"                      },
2153
2154   { -1,                         NULL                            }
2155 };
2156
2157 static struct ValueTextInfo options_move_stepsize[] =
2158 {
2159   { 0,                          "not moving"                    },
2160   { 1,                          "very slow"                     },
2161   { 2,                          "slow"                          },
2162   { 4,                          "normal"                        },
2163   { 8,                          "fast"                          },
2164   { 16,                         "very fast"                     },
2165   { 32,                         "even faster"                   },
2166
2167   { -1,                         NULL                            }
2168 };
2169
2170 static struct ValueTextInfo options_move_leave_type[] =
2171 {
2172   { LEAVE_TYPE_UNLIMITED,       "leave behind"                  },
2173   { LEAVE_TYPE_LIMITED,         "change it to"                  },
2174
2175   { -1,                         NULL                            }
2176 };
2177
2178 static struct ValueTextInfo options_smash_targets[] =
2179 {
2180   { EP_CAN_SMASH_PLAYER,        "player"                        },
2181 #if 0
2182   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
2183 #endif
2184   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
2185
2186   { -1,                         NULL                            }
2187 };
2188
2189 static struct ValueTextInfo options_slippery_type[] =
2190 {
2191   { SLIPPERY_ANY_RANDOM,        "random"                        },
2192   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
2193   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
2194   { SLIPPERY_ONLY_LEFT,         "only left"                     },
2195   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
2196
2197   { -1,                         NULL                            }
2198 };
2199
2200 static struct ValueTextInfo options_deadliness[] =
2201 {
2202   { EP_DONT_RUN_INTO,           "running into"                  },
2203   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
2204   { EP_DONT_GET_HIT_BY,         "getting hit by"                },
2205   { EP_DONT_TOUCH,              "touching"                      },
2206
2207   { -1,                         NULL                            }
2208 };
2209
2210 static struct ValueTextInfo options_explosion_type[] =
2211 {
2212   { EXPLODES_3X3,               "3x3"                           },
2213   { EXPLODES_CROSS,             "3+3"                           },
2214   { EXPLODES_1X1,               "1x1"                           },
2215
2216   { -1,                         NULL                            }
2217 };
2218
2219 static struct ValueTextInfo options_time_units[] =
2220 {
2221   { 1,                          "frames"                        },
2222   { FRAMES_PER_SECOND,          "seconds"                       },
2223
2224   { -1,                         NULL                            }
2225 };
2226
2227 static struct ValueTextInfo options_change_direct_action[] =
2228 {
2229   { CE_TOUCHED_BY_PLAYER,       "touched by player"             },
2230   { CE_PRESSED_BY_PLAYER,       "pressed by player"             },
2231   { CE_SWITCHED_BY_PLAYER,      "switched by player"            },
2232   { CE_SNAPPED_BY_PLAYER,       "snapped by player"             },
2233   { CE_PUSHED_BY_PLAYER,        "pushed by player"              },
2234   { CE_ENTERED_BY_PLAYER,       "entered by player"             },
2235   { CE_LEFT_BY_PLAYER,          "left by player"                },
2236   { CE_DROPPED_BY_PLAYER,       "dropped/thrown by player"      },
2237   { CE_SWITCHED,                "switched"                      },
2238   { CE_HITTING_SOMETHING,       "hitting something"             },
2239   { CE_HIT_BY_SOMETHING,        "hit by something"              },
2240 #if 0
2241   { CE_BLOCKED,                 "blocked"                       },
2242 #endif
2243   { CE_IMPACT,                  "impact (on something)"         },
2244   { CE_SMASHED,                 "smashed (from above)"          },
2245 #if 0
2246   { CE_VALUE_CHANGES,           "CE value changes"              },
2247   { CE_SCORE_CHANGES,           "CE score changes"              },
2248 #endif
2249   { CE_VALUE_GETS_ZERO,         "CE value gets 0"               },
2250   { CE_SCORE_GETS_ZERO,         "CE score gets 0"               },
2251   { CE_UNDEFINED,               " "                             },
2252   { CE_HEADLINE_SPECIAL_EVENTS, "[mouse events]"                },
2253   { CE_CLICKED_BY_MOUSE,        "clicked by mouse"              },
2254   { CE_PRESSED_BY_MOUSE,        "pressed by mouse"              },
2255   { CE_UNDEFINED,               " "                             },
2256   { CE_HEADLINE_SPECIAL_EVENTS, "[static states]"               },
2257   { CE_NEXT_TO_PLAYER,          "next to player"                },
2258
2259   { -1,                         NULL                            }
2260 };
2261
2262 static struct ValueTextInfo options_change_other_action[] =
2263 {
2264   { CE_PLAYER_TOUCHES_X,        "player touches"                },
2265   { CE_PLAYER_PRESSES_X,        "player presses"                },
2266   { CE_PLAYER_SWITCHES_X,       "player switches"               },
2267   { CE_PLAYER_SNAPS_X,          "player snaps"                  },
2268   { CE_PLAYER_PUSHES_X,         "player pushes"                 },
2269   { CE_PLAYER_ENTERS_X,         "player enters"                 },
2270   { CE_PLAYER_LEAVES_X,         "player leaves"                 },
2271   { CE_PLAYER_DIGS_X,           "player digs"                   },
2272   { CE_PLAYER_COLLECTS_X,       "player collects"               },
2273   { CE_PLAYER_DROPS_X,          "player drops/throws"           },
2274   { CE_TOUCHING_X,              "touching"                      },
2275   { CE_HITTING_X,               "hitting"                       },
2276   { CE_DIGGING_X,               "digging"                       },
2277   { CE_HIT_BY_X,                "hit by"                        },
2278   { CE_SWITCH_OF_X,             "switch of"                     },
2279   { CE_CHANGE_OF_X,             "change by page of"             },
2280   { CE_EXPLOSION_OF_X,          "explosion of"                  },
2281   { CE_MOVE_OF_X,               "move of"                       },
2282   { CE_CREATION_OF_X,           "creation of"                   },
2283   { CE_VALUE_CHANGES_OF_X,      "CE value changes of"           },
2284   { CE_SCORE_CHANGES_OF_X,      "CE score changes of"           },
2285   { CE_VALUE_GETS_ZERO_OF_X,    "CE value gets 0 of"            },
2286   { CE_SCORE_GETS_ZERO_OF_X,    "CE score gets 0 of"            },
2287   { CE_UNDEFINED,               " "                             },
2288   { CE_HEADLINE_SPECIAL_EVENTS, "[mouse events]"                },
2289   { CE_MOUSE_CLICKED_ON_X,      "mouse clicked on"              },
2290   { CE_MOUSE_PRESSED_ON_X,      "mouse pressed on"              },
2291   { CE_UNDEFINED,               " "                             },
2292   { CE_HEADLINE_SPECIAL_EVENTS, "[static states]"               },
2293   { CE_PLAYER_NEXT_TO_X,        "player next to"                },
2294   { CE_NEXT_TO_X,               "next to"                       },
2295
2296   { -1,                         NULL                            }
2297 };
2298
2299 static struct ValueTextInfo options_change_trigger_side[] =
2300 {
2301   { CH_SIDE_LEFT,               "left"                          },
2302   { CH_SIDE_RIGHT,              "right"                         },
2303   { CH_SIDE_TOP,                "top"                           },
2304   { CH_SIDE_BOTTOM,             "bottom"                        },
2305   { CH_SIDE_LEFT_RIGHT,         "left/right"                    },
2306   { CH_SIDE_TOP_BOTTOM,         "top/bottom"                    },
2307   { CH_SIDE_ANY,                "any"                           },
2308
2309   { -1,                         NULL                            }
2310 };
2311
2312 static struct ValueTextInfo options_change_trigger_player[] =
2313 {
2314   { CH_PLAYER_1,                "1"                             },
2315   { CH_PLAYER_2,                "2"                             },
2316   { CH_PLAYER_3,                "3"                             },
2317   { CH_PLAYER_4,                "4"                             },
2318   { CH_PLAYER_ANY,              "any"                           },
2319
2320   { -1,                         NULL                            }
2321 };
2322
2323 static struct ValueTextInfo options_change_trigger_page[] =
2324 {
2325   { (1u << 0),                  "1"                             },
2326   { (1u << 1),                  "2"                             },
2327   { (1u << 2),                  "3"                             },
2328   { (1u << 3),                  "4"                             },
2329   { (1u << 4),                  "5"                             },
2330   { (1u << 5),                  "6"                             },
2331   { (1u << 6),                  "7"                             },
2332   { (1u << 7),                  "8"                             },
2333   { (1u << 8),                  "9"                             },
2334   { (1u << 9),                  "10"                            },
2335   { (1u << 10),                 "11"                            },
2336   { (1u << 11),                 "12"                            },
2337   { (1u << 12),                 "13"                            },
2338   { (1u << 13),                 "14"                            },
2339   { (1u << 14),                 "15"                            },
2340   { (1u << 15),                 "16"                            },
2341   { (1u << 16),                 "17"                            },
2342   { (1u << 17),                 "18"                            },
2343   { (1u << 18),                 "19"                            },
2344   { (1u << 19),                 "20"                            },
2345   { (1u << 20),                 "21"                            },
2346   { (1u << 21),                 "22"                            },
2347   { (1u << 22),                 "23"                            },
2348   { (1u << 23),                 "24"                            },
2349   { (1u << 24),                 "25"                            },
2350   { (1u << 25),                 "26"                            },
2351   { (1u << 26),                 "27"                            },
2352   { (1u << 27),                 "28"                            },
2353   { (1u << 28),                 "29"                            },
2354   { (1u << 29),                 "30"                            },
2355   { (1u << 30),                 "31"                            },
2356   { (1u << 31),                 "32"                            },
2357   { CH_PAGE_ANY,                "any"                           },
2358
2359   { -1,                         NULL                            }
2360 };
2361
2362 static struct ValueTextInfo options_change_replace_when[] =
2363 {
2364   { CP_WHEN_EMPTY,              "empty"                         },
2365   { CP_WHEN_WALKABLE,           "walkable"                      },
2366   { CP_WHEN_DIGGABLE,           "diggable"                      },
2367   { CP_WHEN_COLLECTIBLE,        "collectible"                   },
2368   { CP_WHEN_REMOVABLE,          "removable"                     },
2369   { CP_WHEN_DESTRUCTIBLE,       "destructible"                  },
2370
2371   { -1,                         NULL                            }
2372 };
2373
2374 static struct ValueTextInfo options_action_type[] =
2375 {
2376   { CA_NO_ACTION,               "no action"                     },
2377   { CA_UNDEFINED,               " "                             },
2378   { CA_HEADLINE_LEVEL_ACTIONS,  "[level]"                       },
2379   { CA_RESTART_LEVEL,           "restart level"                 },
2380   { CA_SHOW_ENVELOPE,           "show envelope"                 },
2381   { CA_SET_LEVEL_TIME,          "set time"                      },
2382   { CA_SET_LEVEL_SCORE,         "set score"                     },
2383   { CA_SET_LEVEL_GEMS,          "set gems"                      },
2384   { CA_SET_LEVEL_WIND,          "set wind dir."                 },
2385   { CA_SET_LEVEL_RANDOM_SEED,   "set random seed"               },
2386   { CA_UNDEFINED,               " "                             },
2387   { CA_HEADLINE_PLAYER_ACTIONS, "[player]"                      },
2388   { CA_MOVE_PLAYER,             "move player"                   },
2389   { CA_MOVE_PLAYER_NEW,         "move player new"               },
2390   { CA_EXIT_PLAYER,             "exit player"                   },
2391   { CA_KILL_PLAYER,             "kill player"                   },
2392   { CA_SET_PLAYER_KEYS,         "set keys"                      },
2393   { CA_SET_PLAYER_SPEED,        "set speed"                     },
2394   { CA_SET_PLAYER_SHIELD,       "set shield"                    },
2395   { CA_SET_PLAYER_GRAVITY,      "set gravity"                   },
2396   { CA_SET_PLAYER_ARTWORK,      "set artwork"                   },
2397   { CA_SET_PLAYER_INVENTORY,    "set inventory"                 },
2398   { CA_UNDEFINED,               " "                             },
2399   { CA_HEADLINE_CE_ACTIONS,     "[CE]"                          },
2400   { CA_SET_CE_VALUE,            "set CE value"                  },
2401   { CA_SET_CE_SCORE,            "set CE score"                  },
2402   { CA_SET_CE_ARTWORK,          "set CE artwork"                },
2403   { CA_UNDEFINED,               " "                             },
2404   { CA_HEADLINE_ENGINE_ACTIONS, "[engine]"                      },
2405   { CA_SET_ENGINE_SCAN_MODE,    "set scan mode"                 },
2406
2407   { -1,                         NULL                            }
2408 };
2409
2410 static struct ValueTextInfo options_action_mode_none[] =
2411 {
2412   { CA_MODE_UNDEFINED,          " "                             },
2413
2414   { -1,                         NULL                            }
2415 };
2416
2417 static struct ValueTextInfo options_action_mode_assign[] =
2418 {
2419   { CA_MODE_SET,                "="                             },
2420
2421   { -1,                         NULL                            }
2422 };
2423
2424 static struct ValueTextInfo options_action_mode_add_remove[] =
2425 {
2426   { CA_MODE_ADD,                "+"                             },
2427   { CA_MODE_SUBTRACT,           "-"                             },
2428
2429   { -1,                         NULL                            }
2430 };
2431
2432 static struct ValueTextInfo options_action_mode_calculate[] =
2433 {
2434   { CA_MODE_SET,                "="                             },
2435   { CA_MODE_ADD,                "+"                             },
2436   { CA_MODE_SUBTRACT,           "-"                             },
2437   { CA_MODE_MULTIPLY,           "*"                             },
2438   { CA_MODE_DIVIDE,             "/"                             },
2439   { CA_MODE_MODULO,             "%"                             },
2440
2441   { -1,                         NULL                            }
2442 };
2443
2444 static struct ValueTextInfo options_action_arg_none[] =
2445 {
2446   { CA_ARG_UNDEFINED,           "         "                     },
2447
2448   { -1,                         NULL                            }
2449 };
2450
2451 static struct ValueTextInfo options_action_arg_player[] =
2452 {
2453   { CA_ARG_PLAYER_HEADLINE,     "[player]"                      },
2454   { CA_ARG_PLAYER_1,            "1"                             },
2455   { CA_ARG_PLAYER_2,            "2"                             },
2456   { CA_ARG_PLAYER_3,            "3"                             },
2457   { CA_ARG_PLAYER_4,            "4"                             },
2458   { CA_ARG_PLAYER_ANY,          "any"                           },
2459   { CA_ARG_PLAYER_TRIGGER,      "trigger"                       },
2460   { CA_ARG_PLAYER_ACTION,       "action ->"                     },
2461
2462   { -1,                         NULL                            }
2463 };
2464
2465 static struct ValueTextInfo options_action_arg_number[] =
2466 {
2467   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2468   { CA_ARG_0,                   "0"                             },
2469   { CA_ARG_1,                   "1"                             },
2470   { CA_ARG_2,                   "2"                             },
2471   { CA_ARG_3,                   "3"                             },
2472   { CA_ARG_4,                   "4"                             },
2473   { CA_ARG_5,                   "5"                             },
2474   { CA_ARG_10,                  "10"                            },
2475   { CA_ARG_100,                 "100"                           },
2476   { CA_ARG_1000,                "1000"                          },
2477   { CA_ARG_UNDEFINED,           " "                             },
2478   { CA_ARG_NUMBER_MIN,          "min"                           },
2479   { CA_ARG_NUMBER_MAX,          "max"                           },
2480   { CA_ARG_UNDEFINED,           " "                             },
2481   { CA_ARG_NUMBER_RESET,        "reset"                         },
2482   { CA_ARG_UNDEFINED,           " "                             },
2483   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2484   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2485   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2486   { CA_ARG_UNDEFINED,           " "                             },
2487   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2488   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2489   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2490   { CA_ARG_UNDEFINED,           " "                             },
2491   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2492   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2493   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2494   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2495   { CA_ARG_UNDEFINED,           " "                             },
2496   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2497   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2498   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2499   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2500
2501   { -1,                         NULL                            }
2502 };
2503
2504 static struct ValueTextInfo options_action_arg_value[] =
2505 {
2506   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2507   { CA_ARG_0,                   "0"                             },
2508   { CA_ARG_1,                   "1"                             },
2509   { CA_ARG_2,                   "2"                             },
2510   { CA_ARG_3,                   "3"                             },
2511   { CA_ARG_4,                   "4"                             },
2512   { CA_ARG_5,                   "5"                             },
2513   { CA_ARG_10,                  "10"                            },
2514   { CA_ARG_100,                 "100"                           },
2515   { CA_ARG_1000,                "1000"                          },
2516   { CA_ARG_UNDEFINED,           " "                             },
2517   { CA_ARG_NUMBER_MIN,          "min"                           },
2518   { CA_ARG_NUMBER_MAX,          "max"                           },
2519   { CA_ARG_UNDEFINED,           " "                             },
2520   { CA_ARG_NUMBER_RESET,        "reset"                         },
2521   { CA_ARG_UNDEFINED,           " "                             },
2522   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2523   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2524   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2525   { CA_ARG_UNDEFINED,           " "                             },
2526   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2527   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2528   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2529   { CA_ARG_UNDEFINED,           " "                             },
2530   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2531   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2532   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2533   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2534   { CA_ARG_UNDEFINED,           " "                             },
2535   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2536   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2537   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2538   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2539   { CA_ARG_UNDEFINED,           " "                             },
2540   { CA_ARG_ELEMENT_NR_HEADLINE, "[element]"                     },
2541   { CA_ARG_ELEMENT_NR_TARGET,   "target"                        },
2542   { CA_ARG_ELEMENT_NR_TRIGGER,  "trigger"                       },
2543   { CA_ARG_ELEMENT_NR_ACTION,   "action ->"                     },
2544
2545   { -1,                         NULL                            }
2546 };
2547
2548 static struct ValueTextInfo options_action_arg_envelope[] =
2549 {
2550   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2551   { CA_ARG_1,                   "1"                             },
2552   { CA_ARG_2,                   "2"                             },
2553   { CA_ARG_3,                   "3"                             },
2554   { CA_ARG_4,                   "4"                             },
2555   { CA_ARG_UNDEFINED,           " "                             },
2556   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2557   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2558   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2559   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2560
2561   { -1,                         NULL                            }
2562 };
2563
2564 static struct ValueTextInfo options_action_arg_key[] =
2565 {
2566   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2567   { CA_ARG_1,                   "1"                             },
2568   { CA_ARG_2,                   "2"                             },
2569   { CA_ARG_3,                   "3"                             },
2570   { CA_ARG_4,                   "4"                             },
2571   { CA_ARG_5,                   "5"                             },
2572   { CA_ARG_6,                   "6"                             },
2573   { CA_ARG_7,                   "7"                             },
2574   { CA_ARG_8,                   "8"                             },
2575   { CA_ARG_UNDEFINED,           " "                             },
2576   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2577   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2578   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2579   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2580
2581   { -1,                         NULL                            }
2582 };
2583
2584 static struct ValueTextInfo options_action_arg_speed[] =
2585 {
2586   { CA_ARG_SPEED_HEADLINE,      "[speed]"                       },
2587   { CA_ARG_SPEED_NOT_MOVING,    "frozen"                        },
2588   { CA_ARG_SPEED_VERY_SLOW,     "very slow"                     },
2589   { CA_ARG_SPEED_SLOW,          "slow"                          },
2590   { CA_ARG_SPEED_NORMAL,        "normal"                        },
2591   { CA_ARG_SPEED_FAST,          "fast"                          },
2592   { CA_ARG_SPEED_VERY_FAST,     "very fast"                     },
2593   { CA_ARG_SPEED_EVEN_FASTER,   "ultrafast"                     },
2594   { CA_ARG_UNDEFINED,           " "                             },
2595   { CA_ARG_SPEED_SLOWER,        "slower"                        },
2596   { CA_ARG_SPEED_FASTER,        "faster"                        },
2597   { CA_ARG_UNDEFINED,           " "                             },
2598   { CA_ARG_SPEED_RESET,         "reset"                         },
2599
2600   { -1,                         NULL                            }
2601 };
2602
2603 static struct ValueTextInfo options_action_arg_shield[] =
2604 {
2605   { CA_ARG_SHIELD_HEADLINE,     "[shield]"                      },
2606   { CA_ARG_SHIELD_OFF,          "off"                           },
2607   { CA_ARG_SHIELD_NORMAL,       "normal"                        },
2608   { CA_ARG_SHIELD_DEADLY,       "deadly"                        },
2609
2610   { -1,                         NULL                            }
2611 };
2612
2613 static struct ValueTextInfo options_action_arg_artwork[] =
2614 {
2615   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2616   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2617   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2618   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2619   { CA_ARG_UNDEFINED,           " "                             },
2620   { CA_ARG_ELEMENT_RESET,       "reset"                         },
2621
2622   { -1,                         NULL                            }
2623 };
2624
2625 static struct ValueTextInfo options_action_arg_gravity[] =
2626 {
2627   { CA_ARG_GRAVITY_HEADLINE,    "[gravity]"                     },
2628   { CA_ARG_GRAVITY_ON,          "on"                            },
2629   { CA_ARG_GRAVITY_OFF,         "off"                           },
2630   { CA_ARG_GRAVITY_TOGGLE,      "toggle"                        },
2631
2632   { -1,                         NULL                            }
2633 };
2634
2635 static struct ValueTextInfo options_action_arg_direction[] =
2636 {
2637   { CA_ARG_DIRECTION_HEADLINE,  "[dir.]"                        },
2638   { CA_ARG_DIRECTION_NONE,      "none"                          },
2639   { CA_ARG_DIRECTION_LEFT,      "left"                          },
2640   { CA_ARG_DIRECTION_RIGHT,     "right"                         },
2641   { CA_ARG_DIRECTION_UP,        "up"                            },
2642   { CA_ARG_DIRECTION_DOWN,      "down"                          },
2643   { CA_ARG_DIRECTION_TRIGGER,   "trigger"                       },
2644   { CA_ARG_DIRECTION_TRIGGER_BACK, "-trigger"                   },
2645
2646   { -1,                         NULL                            }
2647 };
2648
2649 static struct ValueTextInfo options_action_arg_scan_mode[] =
2650 {
2651   { CA_ARG_SCAN_MODE_HEADLINE,  "[mode]"                        },
2652   { CA_ARG_SCAN_MODE_NORMAL,    "normal"                        },
2653   { CA_ARG_SCAN_MODE_REVERSE,   "reverse"                       },
2654
2655   { -1,                         NULL                            }
2656 };
2657
2658 static struct ValueTextInfo options_action_arg_inventory[] =
2659 {
2660   { CA_ARG_INVENTORY_HEADLINE,  "[add]"                         },
2661   { CA_ARG_ELEMENT_TARGET,      "+ target"                      },
2662   { CA_ARG_ELEMENT_TRIGGER,     "+ trigger"                     },
2663   { CA_ARG_ELEMENT_ACTION,      "+ action"                      },
2664   { CA_ARG_UNDEFINED,           " "                             },
2665   { CA_ARG_INVENTORY_RM_HEADLINE,"[remove]"                     },
2666   { CA_ARG_INVENTORY_RM_TARGET, "- target"                      },
2667   { CA_ARG_INVENTORY_RM_TRIGGER,"- trigger"                     },
2668   { CA_ARG_INVENTORY_RM_ACTION, "- action"                      },
2669   { CA_ARG_INVENTORY_RM_FIRST,  "- first"                       },
2670   { CA_ARG_INVENTORY_RM_LAST,   "- last"                        },
2671   { CA_ARG_INVENTORY_RM_ALL,    "- all"                         },
2672   { CA_ARG_UNDEFINED,           " "                             },
2673   { CA_ARG_INVENTORY_RESET,     "reset"                         },
2674
2675   { -1,                         NULL                            }
2676 };
2677
2678 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
2679 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
2680 {
2681   { -1,                         NULL                            }
2682 };
2683
2684 static struct ValueTextInfo options_group_choice_mode[] =
2685 {
2686   { ANIM_RANDOM,                "random"                        },
2687   { ANIM_LOOP,                  "loop"                          },
2688   { ANIM_LINEAR,                "linear"                        },
2689   { ANIM_PINGPONG,              "pingpong"                      },
2690   { ANIM_PINGPONG2,             "pingpong 2"                    },
2691   { ANIM_LEVEL_NR,              "level number"                  },
2692
2693   { -1,                         NULL                            }
2694 };
2695
2696 static struct ValueTextInfo options_bd_scheduling_type[] =
2697 {
2698   { GD_SCHEDULING_MILLISECONDS,   "Milliseconds"                },
2699   { GD_SCHEDULING_BD1,            "BD1"                         },
2700   { GD_SCHEDULING_BD2,            "BD2"                         },
2701   { GD_SCHEDULING_PLCK,           "Construction Kit"            },
2702   { GD_SCHEDULING_CRDR,           "Crazy Dream 7"               },
2703   { GD_SCHEDULING_BD1_ATARI,      "Atari BD1"                   },
2704   { GD_SCHEDULING_BD2_PLCK_ATARI, "Atari BD2 / PLCK"            },
2705
2706   { -1,                           NULL                          }
2707 };
2708
2709 static struct ValueTextInfo *action_arg_modes[] =
2710 {
2711   options_action_mode_none,
2712   options_action_mode_assign,
2713   options_action_mode_add_remove,
2714   options_action_mode_calculate,
2715 };
2716
2717 static struct
2718 {
2719   int value;
2720   int mode;
2721   struct ValueTextInfo *options;
2722 }
2723 action_arg_options[] =
2724 {
2725   { CA_NO_ACTION,               0,      options_action_arg_none,        },
2726   { CA_EXIT_PLAYER,             0,      options_action_arg_player,      },
2727   { CA_KILL_PLAYER,             0,      options_action_arg_player,      },
2728   { CA_MOVE_PLAYER,             0,      options_action_arg_direction,   },
2729   { CA_MOVE_PLAYER_NEW,         0,      options_action_arg_direction,   },
2730   { CA_RESTART_LEVEL,           0,      options_action_arg_none,        },
2731   { CA_SHOW_ENVELOPE,           0,      options_action_arg_envelope,    },
2732   { CA_SET_LEVEL_TIME,          3,      options_action_arg_number,      },
2733   { CA_SET_LEVEL_GEMS,          3,      options_action_arg_number,      },
2734   { CA_SET_LEVEL_SCORE,         3,      options_action_arg_number,      },
2735   { CA_SET_LEVEL_WIND,          1,      options_action_arg_direction,   },
2736   { CA_SET_LEVEL_RANDOM_SEED,   1,      options_action_arg_number,      },
2737   { CA_SET_PLAYER_KEYS,         2,      options_action_arg_key,         },
2738   { CA_SET_PLAYER_SPEED,        1,      options_action_arg_speed,       },
2739   { CA_SET_PLAYER_SHIELD,       1,      options_action_arg_shield,      },
2740   { CA_SET_PLAYER_GRAVITY,      1,      options_action_arg_gravity,     },
2741   { CA_SET_PLAYER_ARTWORK,      1,      options_action_arg_artwork,     },
2742   { CA_SET_PLAYER_INVENTORY,    0,      options_action_arg_inventory,   },
2743   { CA_SET_CE_VALUE,            3,      options_action_arg_value,       },
2744   { CA_SET_CE_SCORE,            3,      options_action_arg_value,       },
2745   { CA_SET_CE_ARTWORK,          1,      options_action_arg_artwork,     },
2746   { CA_SET_ENGINE_SCAN_MODE,    1,      options_action_arg_scan_mode,   },
2747
2748   { -1,                         FALSE,  NULL                            }
2749 };
2750
2751 static struct
2752 {
2753   int gadget_type_id;
2754   int x, y;
2755   int gadget_id;
2756   int gadget_id_align;
2757   int size;     // char size of selectbox or '-1' (dynamically determined)
2758   struct ValueTextInfo *options;
2759   int *value;
2760   char *text_above, *text_left, *text_right, *infotext;
2761 } selectbox_info[ED_NUM_SELECTBOX] =
2762 {
2763   // ---------- level and editor settings -------------------------------------
2764
2765   {
2766     ED_SELECTBOX_ID_TIME_OR_STEPS,
2767     -1,                                 ED_LEVEL_SETTINGS_YPOS(8),
2768     GADGET_ID_TIME_OR_STEPS,            GADGET_ID_LEVEL_TIMELIMIT_UP,
2769     -1,
2770     options_time_or_steps,
2771     &level.use_step_counter,
2772     NULL, NULL, "(0 => no limit)",      "Select time or step limit"
2773   },
2774   {
2775     ED_SELECTBOX_ID_TIME_SCORE_BASE,
2776     -1,                                 ED_LEVEL_SETTINGS_YPOS(10),
2777     GADGET_ID_TIME_SCORE_BASE,          GADGET_ID_LEVEL_TIMESCORE_UP,
2778     -1,
2779     options_time_score_base,
2780     &level.time_score_base,
2781     NULL, NULL, NULL,                   "Select time score for 1 or 10 seconds/steps"
2782   },
2783   {
2784     ED_SELECTBOX_ID_GAME_ENGINE_TYPE,
2785     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(12),
2786     GADGET_ID_GAME_ENGINE_TYPE,         GADGET_ID_NONE,
2787     -1,
2788     options_game_engine_type,
2789     &level.game_engine_type,
2790     NULL, "Game engine:", NULL,         "Select game engine"
2791   },
2792   {
2793     ED_SELECTBOX_ID_BD_SCHEDULING_TYPE,
2794     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
2795     GADGET_ID_BD_SCHEDULING_TYPE,       GADGET_ID_NONE,
2796     -1,
2797     options_bd_scheduling_type,
2798     &level.bd_scheduling_type,
2799     NULL, "Scheduling type:", NULL,     "Select level timing"
2800   },
2801   {
2802     ED_SELECTBOX_ID_LEVELSET_SAVE_MODE,
2803     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
2804     GADGET_ID_LEVELSET_SAVE_MODE,       GADGET_ID_NONE,
2805     -1,
2806     options_levelset_save_mode,
2807     &levelset_save_mode,
2808     "Action:", NULL, NULL,              "Select action when saving level set"
2809   },
2810
2811   // ---------- element settings: configure (several elements) ----------------
2812
2813   {
2814     ED_SELECTBOX_ID_WIND_DIRECTION,
2815     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2816     GADGET_ID_WIND_DIRECTION,           GADGET_ID_NONE,
2817     -1,
2818     options_wind_direction,
2819     &level.wind_direction_initial,
2820     NULL, "Initial wind direction:", NULL,      "Select initial wind direction"
2821   },
2822   {
2823     ED_SELECTBOX_ID_PLAYER_SPEED,
2824     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2825     GADGET_ID_PLAYER_SPEED,             GADGET_ID_NONE,
2826     -1,
2827     options_player_speed,
2828     &level.initial_player_stepsize[0],
2829     NULL, "Initial player speed:", NULL,        "Select initial player speed"
2830   },
2831   {
2832     ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE,
2833     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2834     GADGET_ID_MM_BALL_CHOICE_MODE,      GADGET_ID_NONE,
2835     -1,
2836     options_group_choice_mode,
2837     &level.mm_ball_choice_mode,
2838     NULL, "Choice type:", NULL,         "Select type of content choice"
2839   },
2840
2841   // ---------- element settings: configure 1 (custom elements) ---------------
2842
2843   {
2844     ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE,
2845     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2846     GADGET_ID_CUSTOM_ACCESS_TYPE,       GADGET_ID_NONE,
2847     -1,
2848     options_access_type,
2849     &custom_element.access_type,
2850     NULL, NULL, NULL,                   "Select type of access to this field"
2851   },
2852   {
2853     ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER,
2854     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2855     GADGET_ID_CUSTOM_ACCESS_LAYER,      GADGET_ID_CUSTOM_ACCESS_TYPE,
2856     -1,
2857     options_access_layer,
2858     &custom_element.access_layer,
2859     NULL, NULL, NULL,                   "Select layer of access for this field"
2860   },
2861   {
2862     ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED,
2863     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2864     GADGET_ID_CUSTOM_ACCESS_PROTECTED,  GADGET_ID_CUSTOM_ACCESS_LAYER,
2865     -1,
2866     options_access_protected,
2867     &custom_element.access_protected,
2868     NULL, NULL, NULL,                   "Select protected access for this field"
2869   },
2870   {
2871     ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION,
2872     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2873     GADGET_ID_CUSTOM_ACCESS_DIRECTION,  GADGET_ID_NONE,
2874     -1,
2875     options_access_direction,
2876     &custom_element.access_direction,
2877     NULL, "from", NULL,                 "Select access direction for this field"
2878   },
2879   {
2880     ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION,
2881     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2882     GADGET_ID_CUSTOM_WALK_TO_ACTION,    GADGET_ID_NONE,
2883     -1,
2884     options_walk_to_action,
2885     &custom_element.walk_to_action,
2886     NULL, NULL, NULL,                   "Select diggable/collectible/pushable"
2887   },
2888
2889   // ---------- element settings: configure 2 (custom elements) ---------------
2890
2891   {
2892     ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN,
2893     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(1),
2894     GADGET_ID_CUSTOM_MOVE_PATTERN,      GADGET_ID_NONE,
2895     -1,
2896     options_move_pattern,
2897     &custom_element.move_pattern,
2898     NULL, "Can move", NULL,             "Select element move pattern"
2899   },
2900   {
2901     ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION,
2902     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2903     GADGET_ID_CUSTOM_MOVE_DIRECTION,    GADGET_ID_NONE,
2904     -1,
2905     options_move_direction,
2906     &custom_element.move_direction_initial,
2907     NULL, "Starts moving", NULL,        "Select initial element move direction"
2908   },
2909   {
2910     ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE,
2911     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2912     GADGET_ID_CUSTOM_MOVE_STEPSIZE,     GADGET_ID_NONE,
2913     -1,
2914     options_move_stepsize,
2915     &custom_element.move_stepsize,
2916     NULL, "Move/fall speed", NULL,      "Select speed of element movement"
2917   },
2918   {
2919     ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE,
2920     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2921     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,   GADGET_ID_NONE,
2922     -1,
2923     options_move_leave_type,
2924     &custom_element.move_leave_type,
2925     // left text with leading spaces to place gadget next to "can dig" gadget
2926     // (needed because drawing area gadgets created after selectbox gadgets)
2927     // NULL, "can dig:    can", ":",    "leave behind or change element"
2928     NULL, "            Can", ":",       "Select leave behind or change element"
2929   },
2930   {
2931     ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS,
2932     -1,                                 ED_ELEMENT_SETTINGS_YPOS(8),
2933     GADGET_ID_CUSTOM_SMASH_TARGETS,     GADGET_ID_CUSTOM_CAN_SMASH,
2934     -1,
2935     options_smash_targets,
2936     &custom_element.smash_targets,
2937     NULL, "Can smash", NULL,            "Select elements that can be smashed"
2938   },
2939   {
2940     ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE,
2941     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
2942     GADGET_ID_CUSTOM_SLIPPERY_TYPE,     GADGET_ID_NONE,
2943     -1,
2944     options_slippery_type,
2945     &custom_element.slippery_type,
2946     NULL, "Slippery", NULL,             "Select where other elements fall down"
2947   },
2948   {
2949     ED_SELECTBOX_ID_CUSTOM_DEADLINESS,
2950     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(10),
2951     GADGET_ID_CUSTOM_DEADLINESS,        GADGET_ID_NONE,
2952     -1,
2953     options_deadliness,
2954     &custom_element.deadliness,
2955     NULL, "Deadly when", NULL,          "Select deadliness of element"
2956   },
2957   {
2958     ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE,
2959     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(11),
2960     GADGET_ID_CUSTOM_EXPLOSION_TYPE,    GADGET_ID_NONE,
2961     -1,
2962     options_explosion_type,
2963     &custom_element.explosion_type,
2964     NULL, "Can explode", NULL,          "Select explosion type"
2965   },
2966
2967   // ---------- element settings: advanced (custom elements) ------------------
2968
2969   {
2970     ED_SELECTBOX_ID_CHANGE_TIME_UNITS,
2971     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(3),
2972     GADGET_ID_CHANGE_TIME_UNITS,        GADGET_ID_NONE,
2973     -1,
2974     options_time_units,
2975     &custom_element_change.delay_frames,
2976     NULL, "Delay time given in", NULL,  "Select delay time units for change"
2977   },
2978   {
2979     ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION,
2980     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(4),
2981     GADGET_ID_CHANGE_DIRECT_ACTION,     GADGET_ID_NONE,
2982     -1,
2983     options_change_direct_action,
2984     &custom_element_change.direct_action,
2985     NULL, NULL, NULL,                   "Select type of direct action"
2986   },
2987   {
2988     ED_SELECTBOX_ID_CHANGE_OTHER_ACTION,
2989     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(5),
2990     GADGET_ID_CHANGE_OTHER_ACTION,      GADGET_ID_NONE,
2991     -1,
2992     options_change_other_action,
2993     &custom_element_change.other_action,
2994     NULL, NULL, "element:",             "Select type of other element action"
2995   },
2996   {
2997     ED_SELECTBOX_ID_CHANGE_SIDE,
2998     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(6),
2999     GADGET_ID_CHANGE_SIDE,              GADGET_ID_NONE,
3000     -1,
3001     options_change_trigger_side,
3002     &custom_element_change.trigger_side,
3003     NULL, "at", "side",                 "Select element side triggering change"
3004   },
3005   {
3006     ED_SELECTBOX_ID_CHANGE_PLAYER,
3007     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
3008     GADGET_ID_CHANGE_PLAYER,            GADGET_ID_NONE,
3009     -1,
3010     options_change_trigger_player,
3011     &custom_element_change.trigger_player,
3012     NULL, "Player:", " ",               "Select player that causes change"
3013   },
3014   {
3015     ED_SELECTBOX_ID_CHANGE_PAGE,
3016     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
3017     GADGET_ID_CHANGE_PAGE,              GADGET_ID_CHANGE_PLAYER,
3018     -1,
3019     options_change_trigger_page,
3020     &custom_element_change.trigger_page,
3021     NULL, "Page:", NULL,                "Select change page that causes change"
3022   },
3023   {
3024     ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN,
3025     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(10),
3026     GADGET_ID_CHANGE_REPLACE_WHEN,      GADGET_ID_NONE,
3027     -1,
3028     options_change_replace_when,
3029     &custom_element_change.replace_when,
3030     NULL, "Replace when", NULL,         "Select which elements can be replaced"
3031   },
3032   {
3033     ED_SELECTBOX_ID_ACTION_TYPE,
3034     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
3035     GADGET_ID_ACTION_TYPE,              GADGET_ID_NONE,
3036     15,
3037     options_action_type,
3038     &custom_element_change.action_type,
3039     NULL, NULL, NULL,                   "Select action on specified condition"
3040   },
3041   {
3042     ED_SELECTBOX_ID_ACTION_MODE,
3043     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
3044     GADGET_ID_ACTION_MODE,              GADGET_ID_ACTION_TYPE,
3045     -1,
3046     options_action_mode_none,
3047     &custom_element_change.action_mode,
3048     NULL, NULL, NULL,                   "Select action operator"
3049   },
3050   {
3051     ED_SELECTBOX_ID_ACTION_ARG,
3052     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
3053     GADGET_ID_ACTION_ARG,               GADGET_ID_ACTION_MODE,
3054     -1,
3055     options_action_arg_none,
3056     &custom_element_change.action_arg,
3057     NULL, NULL, NULL,                   "Select action parameter"
3058   },
3059   {
3060     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE,
3061     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
3062     GADGET_ID_SELECT_CHANGE_PAGE,       GADGET_ID_NONE,
3063     3,
3064     options_change_page,
3065     &custom_element.current_change_page,
3066     NULL, NULL, NULL,                   "Select element change page"
3067   },
3068
3069   // ---------- element settings: configure (group elements) ------------------
3070
3071   {
3072     ED_SELECTBOX_ID_GROUP_CHOICE_MODE,
3073     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3074     GADGET_ID_GROUP_CHOICE_MODE,        GADGET_ID_NONE,
3075     -1,
3076     options_group_choice_mode,
3077     &group_element_info.choice_mode,
3078     NULL, "Choice type:", NULL,         "Select type of group element choice"
3079   },
3080 };
3081
3082 static struct
3083 {
3084   int gadget_type_id;
3085   int x, y;
3086   int gadget_id;
3087   int gadget_id_align;
3088   int size;
3089   char *text;
3090   char *text_above, *text_left, *text_right, *infotext;
3091 } textbutton_info[ED_NUM_TEXTBUTTONS] =
3092 {
3093   // ---------- level and editor settings (tabs) ------------------------------
3094
3095   {
3096     ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL,
3097     ED_LEVEL_TABS_XPOS(0),              ED_LEVEL_TABS_YPOS(0),
3098     GADGET_ID_LEVELCONFIG_LEVEL,        GADGET_ID_NONE,
3099     8,                                  "Level",
3100     NULL, NULL, NULL,                   "Configure level settings"
3101   },
3102   {
3103     ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET,
3104     -1,                                 -1,
3105     GADGET_ID_LEVELCONFIG_LEVELSET,     GADGET_ID_LEVELCONFIG_LEVEL,
3106     8,                                  "Levelset",
3107     NULL, NULL, NULL,                   "Update this or create new level set"
3108   },
3109   {
3110     ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR,
3111     -1,                                 -1,
3112     GADGET_ID_LEVELCONFIG_EDITOR,       GADGET_ID_LEVELCONFIG_LEVELSET,
3113     8,                                  "Editor",
3114     NULL, NULL, NULL,                   "Configure editor settings"
3115   },
3116   {
3117     ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE,
3118     -1,                                 -1,
3119     GADGET_ID_LEVELCONFIG_ENGINE,       GADGET_ID_LEVELCONFIG_EDITOR,
3120     8,                                  "Engine",
3121     NULL, NULL, NULL,                   "Configure engine settings"
3122   },
3123
3124   // ---------- element settings (tabs) ---------------------------------------
3125
3126   {
3127     ED_TEXTBUTTON_ID_PROPERTIES_INFO,
3128     ED_ELEMENT_TABS_XPOS(0),            ED_ELEMENT_TABS_YPOS(0),
3129     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
3130     8,                                  "Info",
3131     NULL, NULL, NULL,                   "Show information about element"
3132   },
3133   {
3134     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG,
3135     -1,                                 -1,
3136     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_PROPERTIES_INFO,
3137     8,                                  "Config",
3138     NULL, NULL, NULL,                   "Configure element properties"
3139   },
3140   {
3141     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1,
3142     -1,                                 -1,
3143     GADGET_ID_PROPERTIES_CONFIG_1,      GADGET_ID_PROPERTIES_INFO,
3144     8,                                  "Config 1",
3145     NULL, NULL, NULL,                   "Configure element properties, part 1"
3146   },
3147   {
3148     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2,
3149     -1,                                 -1,
3150     GADGET_ID_PROPERTIES_CONFIG_2,      GADGET_ID_PROPERTIES_CONFIG_1,
3151     8,                                  "Config 2",
3152     NULL, NULL, NULL,                   "Configure element properties, part 2"
3153   },
3154   {
3155     ED_TEXTBUTTON_ID_PROPERTIES_CHANGE,
3156     -1,                                 -1,
3157     GADGET_ID_PROPERTIES_CHANGE,        GADGET_ID_PROPERTIES_CONFIG_2,
3158     8,                                  "Change",
3159     NULL, NULL, NULL,                   "Configure custom element change pages"
3160   },
3161
3162   // ---------- level and editor settings (buttons) ---------------------------
3163
3164   {
3165     ED_TEXTBUTTON_ID_SAVE_LEVELSET,
3166     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
3167     GADGET_ID_SAVE_LEVELSET,            GADGET_ID_LEVELSET_SAVE_MODE,
3168     -1,                                 "Save",
3169     NULL, NULL, NULL,                   "Update or create level set"
3170   },
3171   {
3172     ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2,
3173     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
3174     GADGET_ID_SAVE_AS_TEMPLATE_2,       GADGET_ID_NONE,
3175     -1,                                 "Save",
3176     NULL, NULL,                         "this level as level template",
3177     "Save current settings as new template"
3178   },
3179
3180   // ---------- element settings (buttons) ------------------------------------
3181
3182   {
3183     ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1,
3184     -1,                                 -1,
3185     GADGET_ID_SAVE_AS_TEMPLATE_1,       GADGET_ID_CUSTOM_USE_TEMPLATE_1,
3186     -1,                                 "Save",
3187     NULL, " ",                          "As Template",
3188     "Save current settings as new template"
3189   },
3190   {
3191     ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE,
3192     -1,                                 -1,
3193     GADGET_ID_ADD_CHANGE_PAGE,          GADGET_ID_PASTE_CHANGE_PAGE,
3194     -1,                                 "New",
3195     NULL, NULL, NULL,                   "Add new change page"
3196   },
3197   {
3198     ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE,
3199     -1,                                 -1,
3200     GADGET_ID_DEL_CHANGE_PAGE,          GADGET_ID_ADD_CHANGE_PAGE,
3201     -1,                                 "Delete",
3202     NULL, NULL, NULL,                   "Delete current change page"
3203   },
3204 };
3205
3206 static struct
3207 {
3208   int gadget_type_id;
3209   int graphic;
3210   int x, y;
3211   int gadget_id;
3212   int gadget_id_align;
3213   char *text_left, *text_right, *infotext;
3214 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
3215 {
3216   {
3217     ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE,
3218     IMG_EDITOR_COUNTER_DOWN,
3219     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3220     GADGET_ID_PREV_CHANGE_PAGE,         GADGET_ID_NONE,
3221     NULL, NULL,                         "Select previous change page"
3222   },
3223   {
3224     ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE,
3225     IMG_EDITOR_COUNTER_UP,
3226     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
3227     GADGET_ID_NEXT_CHANGE_PAGE,         GADGET_ID_SELECT_CHANGE_PAGE,
3228     NULL, "Change page",                "Select next change page"
3229   },
3230   {
3231     ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE,
3232     IMG_GFX_EDITOR_BUTTON_CP_COPY,
3233     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
3234     GADGET_ID_COPY_CHANGE_PAGE,         GADGET_ID_NEXT_CHANGE_PAGE,
3235     " ", NULL,                          "Copy settings from this change page"
3236   },
3237   {
3238     ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE,
3239     IMG_GFX_EDITOR_BUTTON_CP_PASTE,
3240     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
3241     GADGET_ID_PASTE_CHANGE_PAGE,        GADGET_ID_COPY_CHANGE_PAGE,
3242     NULL, NULL,                         "Paste settings to this change page"
3243   },
3244 };
3245
3246 static struct
3247 {
3248   int x, y;
3249 } scrollbutton_pos[ED_NUM_SCROLLBUTTONS];
3250
3251 static struct
3252 {
3253   int gadget_type_id;
3254   int graphic;
3255   int gadget_id;
3256   char *infotext;
3257 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
3258 {
3259   {
3260     ED_SCROLLBUTTON_ID_AREA_UP,
3261     IMG_EDITOR_PLAYFIELD_SCROLL_UP,
3262     GADGET_ID_SCROLL_UP,
3263     "Scroll level editing area up"
3264   },
3265   {
3266     ED_SCROLLBUTTON_ID_AREA_DOWN,
3267     IMG_EDITOR_PLAYFIELD_SCROLL_DOWN,
3268     GADGET_ID_SCROLL_DOWN,
3269     "Scroll level editing area down"
3270   },
3271   {
3272     ED_SCROLLBUTTON_ID_AREA_LEFT,
3273     IMG_EDITOR_PLAYFIELD_SCROLL_LEFT,
3274     GADGET_ID_SCROLL_LEFT,
3275     "Scroll level editing area left"
3276   },
3277   {
3278     ED_SCROLLBUTTON_ID_AREA_RIGHT,
3279     IMG_EDITOR_PLAYFIELD_SCROLL_RIGHT,
3280     GADGET_ID_SCROLL_RIGHT,
3281     "Scroll level editing area right"
3282   },
3283   {
3284     ED_SCROLLBUTTON_ID_LIST_UP,
3285     IMG_EDITOR_PALETTE_SCROLL_UP,
3286     GADGET_ID_SCROLL_LIST_UP,
3287     "Scroll element list up ('Page Up')"
3288   },
3289   {
3290     ED_SCROLLBUTTON_ID_LIST_DOWN,
3291     IMG_EDITOR_PALETTE_SCROLL_DOWN,
3292     GADGET_ID_SCROLL_LIST_DOWN,
3293     "Scroll element list down ('Page Down')"
3294   },
3295 };
3296
3297 static struct
3298 {
3299   int x, y;
3300   int width, height;
3301   int wheel_x, wheel_y;
3302   int wheel_width, wheel_height;
3303 } scrollbar_pos[ED_NUM_SCROLLBARS];
3304
3305 static struct
3306 {
3307   int gadget_type_id;
3308   int graphic;
3309   int type;
3310   int gadget_id;
3311   char *infotext;
3312 } scrollbar_info[ED_NUM_SCROLLBARS] =
3313 {
3314   {
3315     ED_SCROLLBAR_ID_AREA_HORIZONTAL,
3316     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
3317     GD_TYPE_SCROLLBAR_HORIZONTAL,
3318     GADGET_ID_SCROLL_HORIZONTAL,
3319     "Scroll level editing area horizontally"
3320   },
3321   {
3322     ED_SCROLLBAR_ID_AREA_VERTICAL,
3323     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
3324     GD_TYPE_SCROLLBAR_VERTICAL,
3325     GADGET_ID_SCROLL_VERTICAL,
3326     "Scroll level editing area vertically"
3327   },
3328   {
3329     ED_SCROLLBAR_ID_LIST_VERTICAL,
3330     IMG_EDITOR_PALETTE_SCROLLBAR,
3331     GD_TYPE_SCROLLBAR_VERTICAL,
3332     GADGET_ID_SCROLL_LIST_VERTICAL,
3333     "Scroll element list vertically"
3334   }
3335 };
3336
3337
3338 static struct
3339 {
3340   int gadget_type_id;
3341   int x, y;
3342   int gadget_id;
3343   int gadget_id_align;
3344   int radio_button_nr;
3345   int *value;
3346   int checked_value;
3347   char *text_left, *text_right, *infotext;
3348 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
3349 {
3350   {
3351     ED_RADIOBUTTON_ID_PERCENTAGE,
3352     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
3353     GADGET_ID_RANDOM_PERCENTAGE,        GADGET_ID_LEVEL_RANDOM_UP,
3354     RADIO_NR_RANDOM_ELEMENTS,
3355     &random_placement_method,           RANDOM_USE_PERCENTAGE,
3356     " ", "percentage",                  "Use percentage for random elements"
3357   },
3358   {
3359     ED_RADIOBUTTON_ID_QUANTITY,
3360     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
3361     GADGET_ID_RANDOM_QUANTITY,          GADGET_ID_RANDOM_PERCENTAGE,
3362     RADIO_NR_RANDOM_ELEMENTS,
3363     &random_placement_method,           RANDOM_USE_QUANTITY,
3364     " ", "quantity",                    "Use quantity for random elements"
3365   }
3366 };
3367
3368 static struct
3369 {
3370   int gadget_type_id;
3371   int x, y;
3372   int gadget_id;
3373   int gadget_id_align;
3374   boolean *value;
3375   char *text_above, *text_left, *text_right, *infotext;
3376 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
3377 {
3378   // ---------- level and editor settings -------------------------------------
3379
3380   {
3381     ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS,
3382     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
3383     GADGET_ID_AUTO_COUNT_GEMS,          GADGET_ID_NONE,
3384     &level.auto_count_gems,
3385     NULL, NULL,
3386     "Automatically count gems needed",  "Set counter to number of gems"
3387   },
3388   {
3389     ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE,
3390     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(11),
3391     GADGET_ID_RATE_TIME_OVER_SCORE,     GADGET_ID_NONE,
3392     &level.rate_time_over_score,
3393     NULL, NULL,
3394     "Rate time/steps used over score",  "Sort high scores by playing time/steps"
3395   },
3396   {
3397     ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK,
3398     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(7),
3399     GADGET_ID_USE_LEVELSET_ARTWORK,     GADGET_ID_NONE,
3400     &levelset_use_levelset_artwork,
3401     NULL, NULL,
3402     "Use current custom artwork",       "Use custom artwork of this level set"
3403   },
3404   {
3405     ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE,
3406     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
3407     GADGET_ID_COPY_LEVEL_TEMPLATE,      GADGET_ID_NONE,
3408     &levelset_copy_level_template,
3409     NULL, NULL,
3410     "Copy current level template",      "Copy level template of this level set"
3411   },
3412   {
3413     ED_CHECKBUTTON_ID_RANDOM_RESTRICTED,
3414     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
3415     GADGET_ID_RANDOM_RESTRICTED,        GADGET_ID_NONE,
3416     &random_placement_background_restricted,
3417     NULL, NULL,
3418     "Restrict random placement to:",    "Set random placement restriction"
3419   },
3420   {
3421     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3,
3422     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
3423     GADGET_ID_CUSTOM_USE_TEMPLATE_3,    GADGET_ID_NONE,
3424     &setup.editor.use_template_for_new_levels,
3425     "Template for new levels and CE/GE:", NULL,
3426     "Use template for new levels",      "Use template for level properties"
3427   },
3428   {
3429     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2,
3430     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
3431     GADGET_ID_CUSTOM_USE_TEMPLATE_2,    GADGET_ID_NONE,
3432     &level.use_custom_template,
3433     NULL, NULL,
3434     "Use template for custom elements", "Use template for custom properties"
3435   },
3436   {
3437     ED_CHECKBUTTON_ID_BD_INTERMISSION,
3438     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
3439     GADGET_ID_BD_INTERMISSION,          GADGET_ID_NONE,
3440     &level.bd_intermission,
3441     "Boulder Dash game engine settings:", NULL,
3442     "Intermission",                     "Level is an intermission level"
3443   },
3444   {
3445     ED_CHECKBUTTON_ID_BD_PAL_TIMING,
3446     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
3447     GADGET_ID_BD_PAL_TIMING,            GADGET_ID_NONE,
3448     &level.bd_pal_timing,
3449     NULL, NULL,
3450     "PAL timing",                       "Use slower timer (like PAL C64)"
3451   },
3452   {
3453     ED_CHECKBUTTON_ID_BD_LINE_SHIFTING_BORDERS,
3454     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
3455     GADGET_ID_BD_LINE_SHIFTING_BORDERS, GADGET_ID_NONE,
3456     &level.bd_line_shifting_borders,
3457     "Compatibility settings:", NULL,
3458     "Line-shifting borders",            "Use line-shifting wrap-around"
3459   },
3460   {
3461     ED_CHECKBUTTON_ID_BD_SCAN_FIRST_AND_LAST_ROW,
3462     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(7),
3463     GADGET_ID_BD_SCAN_FIRST_AND_LAST_ROW, GADGET_ID_NONE,
3464     &level.bd_scan_first_and_last_row,
3465     NULL, NULL,
3466     "Scan first and last row",          "Also process top/bottom border rows"
3467   },
3468   {
3469     ED_CHECKBUTTON_ID_BD_SHORT_EXPLOSIONS,
3470     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
3471     GADGET_ID_BD_SHORT_EXPLOSIONS,      GADGET_ID_NONE,
3472     &level.bd_short_explosions,
3473     NULL, NULL,
3474     "Short explosions",                 "Use four game cycles for explosions"
3475   },
3476   {
3477     ED_CHECKBUTTON_ID_BD_GRAVITY_AFFECTS_ALL,
3478     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(9),
3479     GADGET_ID_BD_GRAVITY_AFFECTS_ALL,   GADGET_ID_NONE,
3480     &level.bd_gravity_affects_all,
3481     NULL, NULL,
3482     "Gravity change affects everything", "Gravity affects all falling objects"
3483   },
3484
3485   // ---------- element settings: configure (various elements) ----------------
3486
3487   {
3488     ED_CHECKBUTTON_ID_STICK_ELEMENT,
3489     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3490     GADGET_ID_STICK_ELEMENT,            GADGET_ID_NONE,
3491     &stick_element_properties_window,
3492     NULL, NULL,
3493     "Stick this screen to edit content","Stick this screen to edit content"
3494   },
3495   {
3496     ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS,
3497     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3498     GADGET_ID_EM_SLIPPERY_GEMS,         GADGET_ID_NONE,
3499     &level.em_slippery_gems,
3500     NULL, NULL,
3501     "Slip down from certain flat walls","Use EM/DC style slipping behaviour"
3502   },
3503   {
3504     ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE,
3505     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3506     GADGET_ID_EM_EXPLODES_BY_FIRE,      GADGET_ID_NONE,
3507     &level.em_explodes_by_fire,
3508     NULL, NULL,
3509     "Explodes with chain reaction",     "Use R'n'D style explosion behaviour"
3510   },
3511   {
3512     ED_CHECKBUTTON_ID_USE_SPRING_BUG,
3513     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3514     GADGET_ID_USE_SPRING_BUG,           GADGET_ID_NONE,
3515     &level.use_spring_bug,
3516     NULL, NULL,
3517     "Use spring pushing bug",           "Use odd spring pushing behaviour"
3518   },
3519   {
3520     ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG,
3521     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3522     GADGET_ID_USE_TIME_ORB_BUG,         GADGET_ID_NONE,
3523     &level.use_time_orb_bug,
3524     NULL, NULL,
3525     "Use time orb bug",                 "Use odd time orb behaviour"
3526   },
3527   {
3528     ED_CHECKBUTTON_ID_USE_LIFE_BUGS,
3529     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3530     GADGET_ID_USE_LIFE_BUGS,            GADGET_ID_NONE,
3531     &level.use_life_bugs,
3532     NULL, NULL,
3533     "Use buggy element behaviour",      "Use odd (historic) element behaviour"
3534   },
3535   {
3536     ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT,
3537     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3538     GADGET_ID_RANDOM_BALL_CONTENT,      GADGET_ID_NONE,
3539     &level.ball_random,
3540     NULL, NULL,
3541     "Create single random element",     "Only create one element from content"
3542   },
3543   {
3544     ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE,
3545     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3546     GADGET_ID_INITIAL_BALL_ACTIVE,      GADGET_ID_NONE,
3547     &level.ball_active_initial,
3548     NULL, NULL,
3549     "Magic ball initially activated",   "Activate magic ball after level start"
3550   },
3551   {
3552     ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE,
3553     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3554     GADGET_ID_GROW_INTO_DIGGABLE,       GADGET_ID_NONE,
3555     &level.grow_into_diggable,
3556     NULL, NULL,
3557     "Can grow into anything diggable",  "Grow into more than just sand"
3558   },
3559   {
3560     ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED,
3561     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3562     GADGET_ID_SB_FIELDS_NEEDED,         GADGET_ID_NONE,
3563     &level.sb_fields_needed,
3564     NULL, NULL,
3565     "All fields need to be filled",     "Require all SB fields to be solved"
3566   },
3567   {
3568     ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED,
3569     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3570     GADGET_ID_SB_OBJECTS_NEEDED,        GADGET_ID_NONE,
3571     &level.sb_objects_needed,
3572     NULL, NULL,
3573     "All objects need to be placed",    "Require all SB objects to be solved"
3574   },
3575   {
3576     ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN,
3577     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3578     GADGET_ID_AUTO_EXIT_SOKOBAN,        GADGET_ID_NONE,
3579     &level.auto_exit_sokoban,
3580     NULL, NULL,
3581     "Exit level if all tasks solved",   "Automatically finish Sokoban levels"
3582   },
3583   {
3584     ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER,
3585     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3586     GADGET_ID_SOLVED_BY_ONE_PLAYER,     GADGET_ID_NONE,
3587     &level.solved_by_one_player,
3588     NULL, NULL,
3589     "Only one player must enter exit",  "Level solved by first player in exit"
3590   },
3591   {
3592     ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT,
3593     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3594     GADGET_ID_FINISH_DIG_COLLECT,       GADGET_ID_NONE,
3595     &level.finish_dig_collect,
3596     NULL, NULL,
3597     "CE action on finished dig/collect", "Only finished dig/collect triggers CE"
3598   },
3599   {
3600     ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE,
3601     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3602     GADGET_ID_KEEP_WALKABLE_CE,         GADGET_ID_NONE,
3603     &level.keep_walkable_ce,
3604     NULL, NULL,
3605     "Keep walkable CE changed to player", "Keep CE changing to player if walkable"
3606   },
3607   {
3608     ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING,
3609     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3610     GADGET_ID_CONTINUOUS_SNAPPING,      GADGET_ID_NONE,
3611     &level.continuous_snapping,
3612     NULL, NULL,
3613     "Continuous snapping",              "Use snapping without releasing key"
3614   },
3615   {
3616     ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD,
3617     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3618     GADGET_ID_BLOCK_SNAP_FIELD,         GADGET_ID_NONE,
3619     &level.block_snap_field,
3620     NULL, NULL,
3621     "Block snapped field when snapping", "Use snapping delay to show animation"
3622   },
3623   {
3624     ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD,
3625     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3626     GADGET_ID_BLOCK_LAST_FIELD,         GADGET_ID_NONE,
3627     &level.block_last_field,
3628     NULL, NULL,
3629     "Block last field when moving",     "Player blocks last field when moving"
3630   },
3631   {
3632     ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD,
3633     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3634     GADGET_ID_SP_BLOCK_LAST_FIELD,      GADGET_ID_NONE,
3635     &level.sp_block_last_field,
3636     NULL, NULL,
3637     "Block last field when moving",     "Player blocks last field when moving"
3638   },
3639   {
3640     ED_CHECKBUTTON_ID_INSTANT_RELOCATION,
3641     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3642     GADGET_ID_INSTANT_RELOCATION,       GADGET_ID_NONE,
3643     &level.instant_relocation,
3644     NULL, NULL,
3645     "No scrolling when relocating",     "Player gets relocated without delay"
3646   },
3647   {
3648     ED_CHECKBUTTON_ID_SHIFTED_RELOCATION,
3649     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3650     GADGET_ID_SHIFTED_RELOCATION,       GADGET_ID_NONE,
3651     &level.shifted_relocation,
3652     NULL, NULL,
3653     "No centering when relocating",     "Level not centered after relocation"
3654   },
3655   {
3656     ED_CHECKBUTTON_ID_LAZY_RELOCATION,
3657     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3658     GADGET_ID_LAZY_RELOCATION,          GADGET_ID_NONE,
3659     &level.lazy_relocation,
3660     NULL, NULL,
3661     "Only redraw off-screen relocation","No redraw if relocation target visible"
3662   },
3663   {
3664     ED_CHECKBUTTON_ID_USE_START_ELEMENT,
3665     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3666     GADGET_ID_USE_START_ELEMENT,        GADGET_ID_NONE,
3667     &level.use_start_element[0],
3668     NULL, NULL,
3669     "Use level start element:",        "Start level at this element's position"
3670   },
3671   {
3672     ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT,
3673     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3674     GADGET_ID_USE_ARTWORK_ELEMENT,      GADGET_ID_NONE,
3675     &level.use_artwork_element[0],
3676     NULL, NULL,
3677     "Use artwork from element:",        "Use player artwork from other element"
3678   },
3679   {
3680     ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT,
3681     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
3682     GADGET_ID_USE_EXPLOSION_ELEMENT,    GADGET_ID_NONE,
3683     &level.use_explosion_element[0],
3684     NULL, NULL,
3685     "Use explosion from element:",      "Use explosion properties from element"
3686   },
3687   {
3688     ED_CHECKBUTTON_ID_INITIAL_GRAVITY,
3689     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3690     GADGET_ID_INITIAL_GRAVITY,          GADGET_ID_NONE,
3691     &level.initial_player_gravity[0],
3692     NULL, NULL,
3693     "Use initial gravity",              "Set initial player gravity"
3694   },
3695   {
3696     ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY,
3697     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3698     GADGET_ID_USE_INITIAL_INVENTORY,    GADGET_ID_NONE,
3699     &level.use_initial_inventory[0],
3700     NULL, NULL,
3701     "Use initial inventory:",           "Use collected elements on level start"
3702   },
3703   {
3704     ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE,
3705     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
3706     GADGET_ID_CAN_PASS_TO_WALKABLE,     GADGET_ID_NONE,
3707     &level.can_pass_to_walkable,
3708     NULL, NULL,
3709     "Can pass to walkable element",     "Player can pass to empty or walkable"
3710   },
3711   {
3712     ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID,
3713     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3714     GADGET_ID_CAN_FALL_INTO_ACID,       GADGET_ID_NONE,
3715     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3716     NULL, NULL,
3717     "Can fall into acid (with gravity)","Player can fall into acid pool"
3718   },
3719   {
3720     ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID,
3721     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3722     GADGET_ID_CAN_MOVE_INTO_ACID,       GADGET_ID_NONE,
3723     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3724     NULL, NULL,
3725     "Can move into acid",               "Element can move into acid pool"
3726   },
3727   {
3728     ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH,
3729     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3730     GADGET_ID_DONT_COLLIDE_WITH,        GADGET_ID_NONE,
3731     &custom_element_properties[EP_DONT_COLLIDE_WITH],
3732     NULL, NULL,
3733     "Deadly when colliding with",       "Element is deadly when hitting player"
3734   },
3735   {
3736     ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS,
3737     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3738     GADGET_ID_BD_DIAGONAL_MOVEMENTS,    GADGET_ID_NONE,
3739     &level.bd_diagonal_movements,
3740     NULL, NULL,
3741     "Can move diagonally",              "Player can move diagonally"
3742   },
3743   {
3744     ED_CHECKBUTTON_ID_BD_TOPMOST_PLAYER_ACTIVE,
3745     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3746     GADGET_ID_BD_TOPMOST_PLAYER_ACTIVE, GADGET_ID_NONE,
3747     &level.bd_topmost_player_active,
3748     NULL, NULL,
3749     "Topmost player is active",         "Use first player found on playfield"
3750   },
3751   {
3752     ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,
3753     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3754     GADGET_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET, GADGET_ID_NONE,
3755     &level.bd_push_mega_rock_with_sweet,
3756     NULL, NULL,
3757     "Mega rocks pushable with sweet",   "Push mega rocks after eating sweet"
3758   },
3759   {
3760     ED_CHECKBUTTON_ID_BD_MAGIC_WALL_WAIT_HATCHING,
3761     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3762     GADGET_ID_BD_MAGIC_WALL_WAIT_HATCHING, GADGET_ID_NONE,
3763     &level.bd_magic_wall_wait_hatching,
3764     NULL, NULL,
3765     "Wait for player's birth",          "Timer start waits for player's birth"
3766   },
3767   {
3768     ED_CHECKBUTTON_ID_BD_MAGIC_WALL_STOPS_AMOEBA,
3769     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3770     GADGET_ID_BD_MAGIC_WALL_STOPS_AMOEBA, GADGET_ID_NONE,
3771     &level.bd_magic_wall_stops_amoeba,
3772     NULL, NULL,
3773     "Turn amoeba to diamonds",          "Activation changes amoeba to diamonds"
3774   },
3775   {
3776     ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING,
3777     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3778     GADGET_ID_BD_AMOEBA_WAIT_FOR_HATCHING, GADGET_ID_NONE,
3779     &level.bd_amoeba_wait_for_hatching,
3780     NULL, NULL,
3781     "Wait for player's birth",          "Timer start waits for player's birth"
3782   },
3783   {
3784     ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY,
3785     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3786     GADGET_ID_BD_AMOEBA_START_IMMEDIATELY, GADGET_ID_NONE,
3787     &level.bd_amoeba_start_immediately,
3788     NULL, NULL,
3789     "Start growing immediately",        "Start slow growth time immediately"
3790   },
3791   {
3792     ED_CHECKBUTTON_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,
3793     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3794     GADGET_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA, GADGET_ID_NONE,
3795     &level.bd_amoeba_2_explode_by_amoeba,
3796     NULL, NULL,
3797     "Explodes if touched by amoeba",    "Amoeba 2 explodes if touched by amoeba"
3798   },
3799   {
3800     ED_CHECKBUTTON_ID_BD_VOODOO_COLLECTS_DIAMONDS,
3801     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3802     GADGET_ID_BD_VOODOO_COLLECTS_DIAMONDS, GADGET_ID_NONE,
3803     &level.bd_voodoo_collects_diamonds,
3804     NULL, NULL,
3805     "Can collect diamonds",             "Can collect diamonds for the player"
3806   },
3807   {
3808     ED_CHECKBUTTON_ID_BD_VOODOO_HURT_KILLS_PLAYER,
3809     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3810     GADGET_ID_BD_VOODOO_HURT_KILLS_PLAYER, GADGET_ID_NONE,
3811     &level.bd_voodoo_hurt_kills_player,
3812     NULL, NULL,
3813     "Player is killed if hurt",         "If hurt in any way, player is killed"
3814   },
3815   {
3816     ED_CHECKBUTTON_ID_BD_VOODOO_DIES_BY_ROCK,
3817     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3818     GADGET_ID_BD_VOODOO_DIES_BY_ROCK,   GADGET_ID_NONE,
3819     &level.bd_voodoo_dies_by_rock,
3820     NULL, NULL,
3821     "Killed by falling rock",           "Can be killed by a falling rock"
3822   },
3823   {
3824     ED_CHECKBUTTON_ID_BD_VOODOO_VANISH_BY_EXPLOSION,
3825     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3826     GADGET_ID_BD_VOODOO_VANISH_BY_EXPLOSION, GADGET_ID_NONE,
3827     &level.bd_voodoo_vanish_by_explosion,
3828     NULL, NULL,
3829     "Disappears in explosions",         "Can be destroyed by explosions"
3830   },
3831   {
3832     ED_CHECKBUTTON_ID_BD_SLIME_IS_PREDICTABLE,
3833     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3834     GADGET_ID_BD_SLIME_IS_PREDICTABLE, GADGET_ID_NONE,
3835     &level.bd_slime_is_predictable,
3836     NULL, NULL,
3837     "Slime is predictable",             "Use predictable random numbers"
3838   },
3839   {
3840     ED_CHECKBUTTON_ID_BD_CHANGE_EXPANDING_WALL,
3841     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3842     GADGET_ID_BD_CHANGE_EXPANDING_WALL, GADGET_ID_NONE,
3843     &level.bd_change_expanding_wall,
3844     NULL, NULL,
3845     "Change direction",                 "Switch horizontal/vertical direction"
3846   },
3847   {
3848     ED_CHECKBUTTON_ID_BD_REPLICATORS_ACTIVE,
3849     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3850     GADGET_ID_BD_REPLICATORS_ACTIVE,    GADGET_ID_NONE,
3851     &level.bd_replicators_active,
3852     NULL, NULL,
3853     "Active at start",                  "Replicators start in active state"
3854   },
3855   {
3856     ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_ACTIVE,
3857     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3858     GADGET_ID_BD_CONVEYOR_BELTS_ACTIVE, GADGET_ID_NONE,
3859     &level.bd_conveyor_belts_active,
3860     NULL, NULL,
3861     "Active at start",                  "Conveyor belts start in active state"
3862   },
3863   {
3864     ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_CHANGED,
3865     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3866     GADGET_ID_BD_CONVEYOR_BELTS_CHANGED, GADGET_ID_NONE,
3867     &level.bd_conveyor_belts_changed,
3868     NULL, NULL,
3869     "Change direction",                 "Switch conveyor belt direction"
3870   },
3871   {
3872     ED_CHECKBUTTON_ID_BD_WATER_CANNOT_FLOW_DOWN,
3873     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3874     GADGET_ID_BD_WATER_CANNOT_FLOW_DOWN, GADGET_ID_NONE,
3875     &level.bd_water_cannot_flow_down,
3876     NULL, NULL,
3877     "Does not flow downwards",          "Water can only flow up, left and right"
3878   },
3879   {
3880     ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP,
3881     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3882     GADGET_ID_ENVELOPE_AUTOWRAP,        GADGET_ID_NONE,
3883     &level.envelope[0].autowrap,
3884     NULL, NULL,
3885     "Auto-wrap",                        "Automatically wrap envelope text"
3886   },
3887   {
3888     ED_CHECKBUTTON_ID_ENVELOPE_CENTERED,
3889     -1,                                 ED_ELEMENT_SETTINGS_YPOS(1),
3890     GADGET_ID_ENVELOPE_CENTERED,        GADGET_ID_ENVELOPE_AUTOWRAP,
3891     &level.envelope[0].centered,
3892     NULL, " ",
3893     "Centered",                         "Automatically center envelope text"
3894   },
3895   {
3896     ED_CHECKBUTTON_ID_MM_LASER_RED,
3897     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3898     GADGET_ID_MM_LASER_RED,             GADGET_ID_NONE,
3899     &level.mm_laser_red,
3900     "Choose color components for laser:", NULL,
3901     "Red",                              "Use red color components in laser"
3902   },
3903   {
3904     ED_CHECKBUTTON_ID_MM_LASER_GREEN,
3905     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3906     GADGET_ID_MM_LASER_GREEN,           GADGET_ID_NONE,
3907     &level.mm_laser_green,
3908     NULL, NULL,
3909     "Green",                            "Use green color components in laser"
3910   },
3911   {
3912     ED_CHECKBUTTON_ID_MM_LASER_BLUE,
3913     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3914     GADGET_ID_MM_LASER_BLUE,            GADGET_ID_NONE,
3915     &level.mm_laser_blue,
3916     NULL, NULL,
3917     "Blue",                             "Use blue color components in laser"
3918   },
3919   {
3920     ED_CHECKBUTTON_ID_DF_LASER_RED,
3921     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3922     GADGET_ID_DF_LASER_RED,             GADGET_ID_NONE,
3923     &level.df_laser_red,
3924     "Choose color components for laser:", NULL,
3925     "Red",                              "Use red color components in laser"
3926   },
3927   {
3928     ED_CHECKBUTTON_ID_DF_LASER_GREEN,
3929     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3930     GADGET_ID_DF_LASER_GREEN,           GADGET_ID_NONE,
3931     &level.df_laser_green,
3932     NULL, NULL,
3933     "Green",                            "Use green color components in laser"
3934   },
3935   {
3936     ED_CHECKBUTTON_ID_DF_LASER_BLUE,
3937     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3938     GADGET_ID_DF_LASER_BLUE,            GADGET_ID_NONE,
3939     &level.df_laser_blue,
3940     NULL, NULL,
3941     "Blue",                             "Use blue color components in laser"
3942   },
3943   {
3944     ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT,
3945     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3946     GADGET_ID_ROTATE_MM_BALL_CONTENT,   GADGET_ID_NONE,
3947     &level.rotate_mm_ball_content,
3948     NULL, NULL,
3949     "Randomly rotate created content",  "Randomly rotate newly created content"
3950   },
3951   {
3952     ED_CHECKBUTTON_ID_EXPLODE_MM_BALL,
3953     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
3954     GADGET_ID_EXPLODE_MM_BALL,          GADGET_ID_NONE,
3955     &level.explode_mm_ball,
3956     NULL, NULL,
3957     "Explode ball instead of melting",  "Use explosion to release ball content"
3958   },
3959
3960   // ---------- element settings: configure 1 (custom elements) ---------------
3961
3962   {
3963     ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC,
3964     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3965     GADGET_ID_CUSTOM_USE_GRAPHIC,       GADGET_ID_NONE,
3966     &custom_element.use_gfx_element,
3967     NULL, NULL,
3968     "Use graphic of element:",          "Use existing element graphic"
3969   },
3970   {
3971     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1,
3972     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3973     GADGET_ID_CUSTOM_USE_TEMPLATE_1,    GADGET_ID_NONE,
3974     &level.use_custom_template,
3975     NULL, NULL,
3976     "Use template",                     "Use template for custom properties"
3977   },
3978   {
3979     ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE,
3980     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3981     GADGET_ID_CUSTOM_ACCESSIBLE,        GADGET_ID_NONE,
3982     &custom_element_properties[EP_ACCESSIBLE],
3983     NULL, NULL,
3984     NULL,                               "Player can walk to or pass this field"
3985   },
3986   {
3987     ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE,
3988     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3989     GADGET_ID_CUSTOM_GRAV_REACHABLE,    GADGET_ID_NONE,
3990     &custom_element_properties[EP_GRAVITY_REACHABLE],
3991     NULL, NULL,
3992     "Reachable despite gravity",        "Player can walk/dig despite gravity"
3993   },
3994   {
3995     ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE,
3996     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3997     GADGET_ID_CUSTOM_USE_LAST_VALUE,    GADGET_ID_NONE,
3998     &custom_element.use_last_ce_value,
3999     NULL, NULL,
4000     "Use last CE value after change",   "Use last CE value after change"
4001   },
4002   {
4003     ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT,
4004     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
4005     GADGET_ID_CUSTOM_WALK_TO_OBJECT,    GADGET_ID_NONE,
4006     &custom_element_properties[EP_WALK_TO_OBJECT],
4007     NULL, NULL,
4008     NULL,                               "Player can dig/collect/push element"
4009   },
4010   {
4011     ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE,
4012     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
4013     GADGET_ID_CUSTOM_INDESTRUCTIBLE,    GADGET_ID_NONE,
4014     &custom_element_properties[EP_INDESTRUCTIBLE],
4015     NULL, NULL,
4016     "Indestructible",                   "Element is indestructible"
4017   },
4018
4019   // ---------- element settings: configure 2 (custom elements) ---------------
4020
4021   {
4022     ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE,
4023     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
4024     GADGET_ID_CUSTOM_CAN_MOVE,          GADGET_ID_NONE,
4025     &custom_element_properties[EP_CAN_MOVE],
4026     NULL, NULL,
4027     NULL,                               "Element can move with some pattern"
4028   },
4029   {
4030     ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL,
4031     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
4032     GADGET_ID_CUSTOM_CAN_FALL,          GADGET_ID_NONE,
4033     &custom_element_properties[EP_CAN_FALL],
4034     NULL, NULL,
4035     "Can fall",                         "Element can fall down"
4036   },
4037   {
4038     ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH,
4039     -1,                                 ED_ELEMENT_SETTINGS_YPOS(8),
4040     GADGET_ID_CUSTOM_CAN_SMASH,         GADGET_ID_CUSTOM_CAN_FALL,
4041     &custom_element_properties[EP_CAN_SMASH],
4042     NULL, " ",
4043     NULL,                               "Element can smash other elements"
4044   },
4045   {
4046     ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY,
4047     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
4048     GADGET_ID_CUSTOM_SLIPPERY,          GADGET_ID_NONE,
4049     &custom_element_properties[EP_SLIPPERY],
4050     NULL, NULL,
4051     NULL,                               "Other elements can fall down from it"
4052   },
4053   {
4054     ED_CHECKBUTTON_ID_CUSTOM_DEADLY,
4055     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
4056     GADGET_ID_CUSTOM_DEADLY,            GADGET_ID_NONE,
4057     &custom_element_properties[EP_DEADLY],
4058     NULL, NULL,
4059     NULL,                               "Element can kill the player"
4060   },
4061   {
4062     ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE,
4063     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
4064     GADGET_ID_CUSTOM_CAN_EXPLODE,       GADGET_ID_NONE,
4065     &custom_element_properties[EP_CAN_EXPLODE],
4066     NULL, NULL,
4067     NULL,                               "Element can explode"
4068   },
4069   {
4070     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE,
4071     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(12),
4072     GADGET_ID_CUSTOM_EXPLODE_FIRE,      GADGET_ID_NONE,
4073     &custom_element_properties[EP_EXPLODES_BY_FIRE],
4074     NULL, NULL,
4075     "By fire",                          "Element can explode by fire/explosion"
4076   },
4077   {
4078     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH,
4079     -1,                                 ED_ELEMENT_SETTINGS_YPOS(12),
4080     GADGET_ID_CUSTOM_EXPLODE_SMASH,     GADGET_ID_CUSTOM_EXPLODE_FIRE,
4081     &custom_element_properties[EP_EXPLODES_SMASHED],
4082     NULL, " ",
4083     "Smashed",                          "Element can explode when smashed"
4084   },
4085   {
4086     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT,
4087     -1,                                 ED_ELEMENT_SETTINGS_YPOS(12),
4088     GADGET_ID_CUSTOM_EXPLODE_IMPACT,    GADGET_ID_CUSTOM_EXPLODE_SMASH,
4089     &custom_element_properties[EP_EXPLODES_IMPACT],
4090     NULL, " ",
4091     "Impact",                           "Element can explode on impact"
4092   },
4093
4094   // ---------- element settings: advanced (custom elements) ------------------
4095
4096   {
4097     ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE,
4098     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
4099     GADGET_ID_CUSTOM_CAN_CHANGE,        GADGET_ID_NONE,
4100     &custom_element_change.can_change,
4101     NULL, NULL,
4102     "Element changes to:",              "Change element on specified condition"
4103   },
4104   {
4105     ED_CHECKBUTTON_ID_CHANGE_DELAY,
4106     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
4107     GADGET_ID_CHANGE_DELAY,             GADGET_ID_NONE,
4108     &custom_element_change_events[CE_DELAY],
4109     NULL, NULL,
4110     NULL,                               "Element changes after delay"
4111   },
4112   {
4113     ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT,
4114     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
4115     GADGET_ID_CHANGE_BY_DIRECT_ACT,     GADGET_ID_NONE,
4116     &custom_element_change_events[CE_BY_DIRECT_ACTION],
4117     NULL, NULL,
4118     NULL,                               "Element changes by direct action"
4119   },
4120   {
4121     ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT,
4122     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
4123     GADGET_ID_CHANGE_BY_OTHER_ACT,      GADGET_ID_NONE,
4124     &custom_element_change_events[CE_BY_OTHER_ACTION],
4125     NULL, NULL,
4126     NULL,                               "Element changes by other element"
4127   },
4128   {
4129     ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION,
4130     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
4131     GADGET_ID_CHANGE_USE_EXPLOSION,     GADGET_ID_NONE,
4132     &custom_element_change.explode,
4133     NULL, NULL,
4134     "Explode instead of change",        "Element explodes instead of change"
4135   },
4136   {
4137     ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT,
4138     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
4139     GADGET_ID_CHANGE_USE_CONTENT,       GADGET_ID_NONE,
4140     &custom_element_change.use_target_content,
4141     NULL, NULL,
4142     "Use extended change target:",      "Element changes to more elements"
4143   },
4144   {
4145     ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE,
4146     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(11),
4147     GADGET_ID_CHANGE_ONLY_COMPLETE,     GADGET_ID_NONE,
4148     &custom_element_change.only_if_complete,
4149     NULL, NULL,
4150     "Replace all or nothing",           "Only replace when all can be changed"
4151   },
4152   {
4153     ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM,
4154     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(12),
4155     GADGET_ID_CHANGE_USE_RANDOM,        GADGET_ID_NONE,
4156     &custom_element_change.use_random_replace,
4157     NULL, NULL,
4158     NULL,                               "Use percentage for random replace"
4159   },
4160   {
4161     ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION,
4162     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
4163     GADGET_ID_CHANGE_HAS_ACTION,        GADGET_ID_NONE,
4164     &custom_element_change.has_action,
4165     NULL, NULL,
4166     NULL,                               "Execute action on specified condition"
4167   },
4168 };
4169
4170 static struct
4171 {
4172   int gadget_type_id;
4173   int x, y;
4174   int xoffset, yoffset;
4175   int gadget_id;
4176   int gadget_id_align;
4177   int *value;
4178   int area_xsize, area_ysize;
4179   char *text_left, *text_right, *text_above, *text_below, *infotext;
4180 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
4181 {
4182   // ---------- level playfield content ---------------------------------------
4183
4184   {
4185     ED_DRAWING_ID_DRAWING_LEVEL,
4186     0,                                  0,
4187     0,                                  0,
4188     GADGET_ID_DRAWING_LEVEL,            GADGET_ID_NONE,
4189     NULL,
4190     -1, -1,     // these values are not constant, but can change at runtime
4191     NULL, NULL, NULL, NULL,             NULL
4192   },
4193
4194   // ---------- yam yam content -----------------------------------------------
4195
4196   {
4197     ED_DRAWING_ID_YAMYAM_CONTENT_0,
4198     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4199     ED_AREA_YAMYAM_CONTENT_XOFF(0),     ED_AREA_YAMYAM_CONTENT_YOFF(0),
4200     GADGET_ID_YAMYAM_CONTENT_0,         GADGET_ID_NONE,
4201     &level.yamyam_content[0].e[0][0],   3, 3,
4202     NULL, NULL, NULL, "1",              NULL
4203   },
4204   {
4205     ED_DRAWING_ID_YAMYAM_CONTENT_1,
4206     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4207     ED_AREA_YAMYAM_CONTENT_XOFF(1),     ED_AREA_YAMYAM_CONTENT_YOFF(1),
4208     GADGET_ID_YAMYAM_CONTENT_1,         GADGET_ID_NONE,
4209     &level.yamyam_content[1].e[0][0],   3, 3,
4210     NULL, NULL, NULL, "2",              NULL
4211   },
4212   {
4213     ED_DRAWING_ID_YAMYAM_CONTENT_2,
4214     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4215     ED_AREA_YAMYAM_CONTENT_XOFF(2),     ED_AREA_YAMYAM_CONTENT_YOFF(2),
4216     GADGET_ID_YAMYAM_CONTENT_2,         GADGET_ID_NONE,
4217     &level.yamyam_content[2].e[0][0],   3, 3,
4218     NULL, NULL, NULL, "3",              NULL
4219   },
4220   {
4221     ED_DRAWING_ID_YAMYAM_CONTENT_3,
4222     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4223     ED_AREA_YAMYAM_CONTENT_XOFF(3),     ED_AREA_YAMYAM_CONTENT_YOFF(3),
4224     GADGET_ID_YAMYAM_CONTENT_3,         GADGET_ID_NONE,
4225     &level.yamyam_content[3].e[0][0],   3, 3,
4226     NULL, NULL, NULL, "4",              NULL
4227   },
4228   {
4229     ED_DRAWING_ID_YAMYAM_CONTENT_4,
4230     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4231     ED_AREA_YAMYAM_CONTENT_XOFF(4),     ED_AREA_YAMYAM_CONTENT_YOFF(4),
4232     GADGET_ID_YAMYAM_CONTENT_4,         GADGET_ID_NONE,
4233     &level.yamyam_content[4].e[0][0],   3, 3,
4234     NULL, NULL, NULL, "5",              NULL
4235   },
4236   {
4237     ED_DRAWING_ID_YAMYAM_CONTENT_5,
4238     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4239     ED_AREA_YAMYAM_CONTENT_XOFF(5),     ED_AREA_YAMYAM_CONTENT_YOFF(5),
4240     GADGET_ID_YAMYAM_CONTENT_5,         GADGET_ID_NONE,
4241     &level.yamyam_content[5].e[0][0],   3, 3,
4242     NULL, NULL, NULL, "6",              NULL
4243   },
4244   {
4245     ED_DRAWING_ID_YAMYAM_CONTENT_6,
4246     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4247     ED_AREA_YAMYAM_CONTENT_XOFF(6),     ED_AREA_YAMYAM_CONTENT_YOFF(6),
4248     GADGET_ID_YAMYAM_CONTENT_6,         GADGET_ID_NONE,
4249     &level.yamyam_content[6].e[0][0],   3, 3,
4250     NULL, NULL, NULL, "7",              NULL
4251   },
4252   {
4253     ED_DRAWING_ID_YAMYAM_CONTENT_7,
4254     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4255     ED_AREA_YAMYAM_CONTENT_XOFF(7),     ED_AREA_YAMYAM_CONTENT_YOFF(7),
4256     GADGET_ID_YAMYAM_CONTENT_7,         GADGET_ID_NONE,
4257     &level.yamyam_content[7].e[0][0],   3, 3,
4258     NULL, NULL, NULL, "8",              NULL
4259   },
4260
4261   // ---------- magic ball content --------------------------------------------
4262
4263   {
4264     ED_DRAWING_ID_MAGIC_BALL_CONTENT_0,
4265     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4266     ED_AREA_MAGIC_BALL_CONTENT_XOFF(0), ED_AREA_MAGIC_BALL_CONTENT_YOFF(0),
4267     GADGET_ID_MAGIC_BALL_CONTENT_0,     GADGET_ID_NONE,
4268     &level.ball_content[0].e[0][0],     3, 3,
4269     NULL, NULL, NULL, "1",              NULL
4270   },
4271   {
4272     ED_DRAWING_ID_MAGIC_BALL_CONTENT_1,
4273     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4274     ED_AREA_MAGIC_BALL_CONTENT_XOFF(1), ED_AREA_MAGIC_BALL_CONTENT_YOFF(1),
4275     GADGET_ID_MAGIC_BALL_CONTENT_1,     GADGET_ID_NONE,
4276     &level.ball_content[1].e[0][0],     3, 3,
4277     NULL, NULL, NULL, "2",              NULL
4278   },
4279   {
4280     ED_DRAWING_ID_MAGIC_BALL_CONTENT_2,
4281     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4282     ED_AREA_MAGIC_BALL_CONTENT_XOFF(2), ED_AREA_MAGIC_BALL_CONTENT_YOFF(2),
4283     GADGET_ID_MAGIC_BALL_CONTENT_2,     GADGET_ID_NONE,
4284     &level.ball_content[2].e[0][0],     3, 3,
4285     NULL, NULL, NULL, "3",              NULL
4286   },
4287   {
4288     ED_DRAWING_ID_MAGIC_BALL_CONTENT_3,
4289     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4290     ED_AREA_MAGIC_BALL_CONTENT_XOFF(3), ED_AREA_MAGIC_BALL_CONTENT_YOFF(3),
4291     GADGET_ID_MAGIC_BALL_CONTENT_3,     GADGET_ID_NONE,
4292     &level.ball_content[3].e[0][0],     3, 3,
4293     NULL, NULL, NULL, "4",              NULL
4294   },
4295   {
4296     ED_DRAWING_ID_MAGIC_BALL_CONTENT_4,
4297     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4298     ED_AREA_MAGIC_BALL_CONTENT_XOFF(4), ED_AREA_MAGIC_BALL_CONTENT_YOFF(4),
4299     GADGET_ID_MAGIC_BALL_CONTENT_4,     GADGET_ID_NONE,
4300     &level.ball_content[4].e[0][0],     3, 3,
4301     NULL, NULL, NULL, "5",              NULL
4302   },
4303   {
4304     ED_DRAWING_ID_MAGIC_BALL_CONTENT_5,
4305     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4306     ED_AREA_MAGIC_BALL_CONTENT_XOFF(5), ED_AREA_MAGIC_BALL_CONTENT_YOFF(5),
4307     GADGET_ID_MAGIC_BALL_CONTENT_5,     GADGET_ID_NONE,
4308     &level.ball_content[5].e[0][0],     3, 3,
4309     NULL, NULL, NULL, "6",              NULL
4310   },
4311   {
4312     ED_DRAWING_ID_MAGIC_BALL_CONTENT_6,
4313     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4314     ED_AREA_MAGIC_BALL_CONTENT_XOFF(6), ED_AREA_MAGIC_BALL_CONTENT_YOFF(6),
4315     GADGET_ID_MAGIC_BALL_CONTENT_6,     GADGET_ID_NONE,
4316     &level.ball_content[6].e[0][0],     3, 3,
4317     NULL, NULL, NULL, "7",              NULL
4318   },
4319   {
4320     ED_DRAWING_ID_MAGIC_BALL_CONTENT_7,
4321     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4322     ED_AREA_MAGIC_BALL_CONTENT_XOFF(7), ED_AREA_MAGIC_BALL_CONTENT_YOFF(7),
4323     GADGET_ID_MAGIC_BALL_CONTENT_7,     GADGET_ID_NONE,
4324     &level.ball_content[7].e[0][0],     3, 3,
4325     NULL, NULL, NULL, "8",              NULL
4326   },
4327
4328   // ---------- android content -----------------------------------------------
4329
4330   {
4331     ED_DRAWING_ID_ANDROID_CONTENT,
4332     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(6),
4333     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4334     GADGET_ID_ANDROID_CONTENT,          GADGET_ID_NONE,
4335     &level.android_clone_element[0],    MAX_ANDROID_ELEMENTS, 1,
4336     NULL, NULL, "Elements:", NULL,      "Elements android can clone"
4337   },
4338
4339   // ---------- amoeba content ------------------------------------------------
4340
4341   {
4342     ED_DRAWING_ID_AMOEBA_CONTENT,
4343     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(3),
4344     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4345     GADGET_ID_AMOEBA_CONTENT,           GADGET_ID_NONE,
4346     &level.amoeba_content,              1, 1,
4347     "Content:", NULL, NULL, NULL,       "Amoeba content"
4348   },
4349
4350   // ---------- BD snap element -----------------------------------------------
4351
4352   {
4353     ED_DRAWING_ID_BD_SNAP_ELEMENT,
4354     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(5),
4355     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4356     GADGET_ID_BD_SNAP_ELEMENT,          GADGET_ID_NONE,
4357     &level.bd_snap_element,             1, 1,
4358     "Snap element:", NULL, NULL, NULL,  "Element created when snapping"
4359   },
4360
4361   // ---------- BD magic wall elements ----------------------------------------
4362
4363   {
4364     ED_DRAWING_ID_BD_MAGIC_WALL_DIAMOND_TO,
4365     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(4),
4366     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4367     GADGET_ID_BD_MAGIC_WALL_DIAMOND_TO, GADGET_ID_NONE,
4368     &level.bd_magic_wall_diamond_to,    1, 1,
4369     "Changes diamonds to:", NULL, NULL, NULL,   "Element to turn diamonds to"
4370   },
4371   {
4372     ED_DRAWING_ID_BD_MAGIC_WALL_ROCK_TO,
4373     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(5),
4374     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4375     GADGET_ID_BD_MAGIC_WALL_ROCK_TO, GADGET_ID_NONE,
4376     &level.bd_magic_wall_rock_to,       1, 1,
4377     "Changes rocks to:", NULL, NULL, NULL,      "Element to turn rocks to"
4378   },
4379   {
4380     ED_DRAWING_ID_BD_MAGIC_WALL_MEGA_ROCK_TO,
4381     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(6),
4382     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4383     GADGET_ID_BD_MAGIC_WALL_MEGA_ROCK_TO, GADGET_ID_NONE,
4384     &level.bd_magic_wall_mega_rock_to,  1, 1,
4385     "Changes mega rocks to:", NULL, NULL, NULL, "Element to turn mega rocks to"
4386   },
4387   {
4388     ED_DRAWING_ID_BD_MAGIC_WALL_NUT_TO,
4389     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(7),
4390     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4391     GADGET_ID_BD_MAGIC_WALL_NUT_TO, GADGET_ID_NONE,
4392     &level.bd_magic_wall_nut_to,        1, 1,
4393     "Changes nuts to:", NULL, NULL, NULL,       "Element to turn nuts to"
4394   },
4395   {
4396     ED_DRAWING_ID_BD_MAGIC_WALL_NITRO_PACK_TO,
4397     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(8),
4398     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4399     GADGET_ID_BD_MAGIC_WALL_NITRO_PACK_TO, GADGET_ID_NONE,
4400     &level.bd_magic_wall_nitro_pack_to, 1, 1,
4401     "Changes nitro packs to:", NULL, NULL, NULL,        "Element to turn nitro packs to"
4402   },
4403   {
4404     ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_DIAMOND_TO,
4405     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(9),
4406     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4407     GADGET_ID_BD_MAGIC_WALL_FLYING_DIAMOND_TO, GADGET_ID_NONE,
4408     &level.bd_magic_wall_flying_diamond_to, 1, 1,
4409     "Changes flying diamonds to:", NULL, NULL, NULL,    "Element to turn flying diamonds to"
4410   },
4411   {
4412     ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_ROCK_TO,
4413     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(10),
4414     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4415     GADGET_ID_BD_MAGIC_WALL_FLYING_ROCK_TO, GADGET_ID_NONE,
4416     &level.bd_magic_wall_flying_rock_to, 1, 1,
4417     "Changes flying rocks to:", NULL, NULL, NULL,       "Element to turn flying rocks to"
4418   },
4419
4420   // ---------- BD amoeba content ---------------------------------------------
4421
4422   {
4423     ED_DRAWING_ID_BD_AMOEBA_CONTENT_TOO_BIG,
4424     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(7),
4425     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4426     GADGET_ID_BD_AMOEBA_CONTENT_TOO_BIG, GADGET_ID_NONE,
4427     &level.bd_amoeba_content_too_big,   1, 1,
4428     "If too big, changes to:", NULL, NULL, NULL,        "BD amoeba content if too big"
4429   },
4430   {
4431     ED_DRAWING_ID_BD_AMOEBA_CONTENT_ENCLOSED,
4432     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(8),
4433     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4434     GADGET_ID_BD_AMOEBA_CONTENT_ENCLOSED, GADGET_ID_NONE,
4435     &level.bd_amoeba_content_enclosed,  1, 1,
4436     "If enclosed, changes to:", NULL, NULL, NULL,       "BD amoeba content if enclosed"
4437   },
4438
4439   // ---------- BD amoeba 2 content -------------------------------------------
4440
4441   {
4442     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_TOO_BIG,
4443     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(7),
4444     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4445     GADGET_ID_BD_AMOEBA_2_CONTENT_TOO_BIG, GADGET_ID_NONE,
4446     &level.bd_amoeba_2_content_too_big, 1, 1,
4447     "If too big, changes to:", NULL, NULL, NULL,        "BD amoeba 2 content if too big"
4448   },
4449   {
4450     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_ENCLOSED,
4451     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(8),
4452     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4453     GADGET_ID_BD_AMOEBA_2_CONTENT_ENCLOSED, GADGET_ID_NONE,
4454     &level.bd_amoeba_2_content_enclosed,        1, 1,
4455     "If enclosed, changes to:", NULL, NULL, NULL,       "BD amoeba 2 content if enclosed"
4456   },
4457   {
4458     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_EXPLODING,
4459     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(10),
4460     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4461     GADGET_ID_BD_AMOEBA_2_CONTENT_EXPLODING, GADGET_ID_NONE,
4462     &level.bd_amoeba_2_content_exploding,       1, 1,
4463     "If exploding, changes to:", NULL, NULL, NULL,      "BD amoeba 2 content if exploding"
4464   },
4465   {
4466     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,
4467     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(11),
4468     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4469     GADGET_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,   GADGET_ID_NONE,
4470     &level.bd_amoeba_2_content_looks_like,      1, 1,
4471     "Use graphic of element:", NULL, NULL, NULL,        "BD amoeba 2 looks like this element"
4472   },
4473   {
4474     ED_DRAWING_ID_BD_ACID_EATS_ELEMENT,
4475     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(1),
4476     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4477     GADGET_ID_BD_ACID_EATS_ELEMENT,     GADGET_ID_NONE,
4478     &level.bd_acid_eats_element,        1, 1,
4479     "Can eat:", NULL, NULL, NULL,               "Eats this element when spreading"
4480   },
4481   {
4482     ED_DRAWING_ID_BD_ACID_TURNS_TO_ELEMENT,
4483     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(3),
4484     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4485     GADGET_ID_BD_ACID_TURNS_TO_ELEMENT, GADGET_ID_NONE,
4486     &level.bd_acid_turns_to_element,    1, 1,
4487     "Can leave behind:", NULL, NULL, NULL,      "Turns to this element after spreading"
4488   },
4489   {
4490     ED_DRAWING_ID_BD_BITER_EATS_ELEMENT,
4491     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
4492     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4493     GADGET_ID_BD_BITER_EATS_ELEMENT,    GADGET_ID_NONE,
4494     &level.bd_biter_eats_element,       1, 1,
4495     "Can eat:", NULL, NULL, NULL,       "Eats this element when moving"
4496   },
4497   {
4498     ED_DRAWING_ID_BD_BLADDER_CONVERTS_BY_ELEMENT,
4499     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(1),
4500     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4501     GADGET_ID_BD_BLADDER_CONVERTS_BY_ELEMENT, GADGET_ID_NONE,
4502     &level.bd_bladder_converts_by_element,      1, 1,
4503     "Turns to clock by touching:", NULL, NULL, NULL,    "Turns to clock by touching element"
4504   },
4505   {
4506     ED_DRAWING_ID_BD_NUT_CONTENT,
4507     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(1),
4508     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4509     GADGET_ID_BD_NUT_CONTENT,           GADGET_ID_NONE,
4510     &level.bd_nut_content,              1, 1,
4511     "When breaking, changes to:", NULL, NULL, NULL,     "Element created when breaking nut"
4512   },
4513
4514   // ---------- level start element -------------------------------------------
4515
4516   {
4517     ED_DRAWING_ID_START_ELEMENT,
4518     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(10),
4519     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4520     GADGET_ID_START_ELEMENT,            GADGET_ID_USE_START_ELEMENT,
4521     &level.start_element[0],            1, 1,
4522     NULL, NULL, NULL, NULL,             "Level start element"
4523   },
4524
4525   // ---------- player artwork element ----------------------------------------
4526
4527   {
4528     ED_DRAWING_ID_ARTWORK_ELEMENT,
4529     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(11),
4530     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4531     GADGET_ID_ARTWORK_ELEMENT,          GADGET_ID_USE_ARTWORK_ELEMENT,
4532     &level.artwork_element[0],          1, 1,
4533     NULL, NULL, NULL, NULL,             "Element for player artwork"
4534   },
4535
4536   // ---------- player explosion element --------------------------------------
4537
4538   {
4539     ED_DRAWING_ID_EXPLOSION_ELEMENT,
4540     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(12),
4541     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4542     GADGET_ID_EXPLOSION_ELEMENT,        GADGET_ID_USE_EXPLOSION_ELEMENT,
4543     &level.explosion_element[0],        1, 1,
4544     NULL, NULL, NULL, NULL,             "Element for player explosion"
4545   },
4546
4547   // ---------- player initial inventory --------------------------------------
4548
4549   {
4550     ED_DRAWING_ID_INVENTORY_CONTENT,
4551     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
4552     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4553     GADGET_ID_INVENTORY_CONTENT,        GADGET_ID_USE_INITIAL_INVENTORY,
4554     &level.initial_inventory_content[0][0], MAX_INITIAL_INVENTORY_SIZE, 1,
4555     NULL, NULL, NULL, NULL,             "Content for initial inventory"
4556   },
4557
4558   // ---------- gray ball content -----------------------------------------
4559
4560   {
4561     ED_DRAWING_ID_MM_BALL_CONTENT,
4562     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
4563     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4564     GADGET_ID_MM_BALL_CONTENT,          GADGET_ID_NONE,
4565     &level.mm_ball_content[0],          MAX_MM_BALL_CONTENTS, 1,
4566     "Content:", NULL, NULL, NULL,       "Content for gray ball"
4567   },
4568
4569   // ---------- element settings: configure 1 (custom elements) ---------------
4570
4571   // ---------- custom graphic ------------------------------------------------
4572
4573   {
4574     ED_DRAWING_ID_CUSTOM_GRAPHIC,
4575     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
4576     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4577     GADGET_ID_CUSTOM_GRAPHIC,           GADGET_ID_CUSTOM_USE_GRAPHIC,
4578     &custom_element.gfx_element_initial, 1, 1,
4579     NULL, NULL, NULL, NULL,             "Custom graphic element"
4580   },
4581
4582   // ---------- element settings: configure 2 (custom elements) ---------------
4583
4584   // ---------- custom content (when exploding) -------------------------------
4585
4586   {
4587     ED_DRAWING_ID_CUSTOM_CONTENT,
4588     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(11),
4589     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
4590     GADGET_ID_CUSTOM_CONTENT,           GADGET_ID_NONE, // align three rows
4591     &custom_element.content.e[0][0],    3, 3,
4592     "Content:", NULL, NULL, NULL,       NULL
4593   },
4594
4595   // ---------- custom enter and leave element (when moving) ------------------
4596
4597   {
4598     ED_DRAWING_ID_CUSTOM_MOVE_ENTER,
4599     ED_AREA_1X1_SETTINGS_XPOS(1),       ED_AREA_1X1_SETTINGS_YPOS(3),
4600     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4601     GADGET_ID_CUSTOM_MOVE_ENTER,        GADGET_ID_NONE,
4602     &custom_element.move_enter_element, 1, 1,
4603     "Can dig:", " ", NULL, NULL,        "Element that can be digged/collected"
4604   },
4605   {
4606     ED_DRAWING_ID_CUSTOM_MOVE_LEAVE,
4607     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(3),
4608     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4609     GADGET_ID_CUSTOM_MOVE_LEAVE,        GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
4610     &custom_element.move_leave_element, 1, 1,
4611     NULL, NULL, NULL, NULL,             "Element that will be left behind"
4612   },
4613
4614   // ---------- element settings: advanced (custom elements) ------------------
4615
4616   // ---------- custom change target ------------------------------------------
4617
4618   {
4619     ED_DRAWING_ID_CUSTOM_CHANGE_TARGET,
4620     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
4621     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4622     GADGET_ID_CUSTOM_CHANGE_TARGET,     GADGET_ID_CUSTOM_CAN_CHANGE,
4623     &custom_element_change.target_element, 1, 1,
4624     NULL, "after/when:", NULL, NULL,    "New target element after change"
4625   },
4626
4627   // ---------- custom change content (extended change target) ----------------
4628
4629   {
4630     ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT,
4631     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(9),
4632     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
4633     GADGET_ID_CUSTOM_CHANGE_CONTENT,    GADGET_ID_NONE, // align three rows
4634     &custom_element_change.target_content.e[0][0], 3, 3,
4635     NULL, NULL, NULL, NULL,             "New extended elements after change"
4636   },
4637
4638   // ---------- custom change trigger (element causing change) ----------------
4639
4640   {
4641     ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER,
4642     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(5),
4643     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4644     GADGET_ID_CUSTOM_CHANGE_TRIGGER,    GADGET_ID_CHANGE_OTHER_ACTION,
4645     &custom_element_change.initial_trigger_element, 1, 1,
4646     NULL, NULL, NULL, NULL,             "Other element triggering change"
4647   },
4648
4649   // ---------- custom change action (element used for action) ----------------
4650
4651   {
4652     ED_DRAWING_ID_CUSTOM_CHANGE_ACTION,
4653     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(13),
4654     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4655     GADGET_ID_CUSTOM_CHANGE_ACTION,     GADGET_ID_ACTION_ARG,
4656     &custom_element_change.action_element, 1, 1,
4657     NULL, NULL, NULL, NULL,             "Element used as action parameter"
4658   },
4659
4660   // ---------- group element content -----------------------------------------
4661
4662   {
4663     ED_DRAWING_ID_GROUP_CONTENT,
4664     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
4665     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4666     GADGET_ID_GROUP_CONTENT,            GADGET_ID_NONE,
4667     &group_element_info.element[0],     MAX_ELEMENTS_IN_GROUP, 1,
4668     "Content:", NULL, NULL, NULL,       NULL
4669   },
4670
4671   // ---------- random background (for random painting) -----------------------
4672
4673   {
4674     ED_DRAWING_ID_RANDOM_BACKGROUND,
4675     -1,                                 ED_AREA_1X1_LSETTINGS_YPOS(1),
4676     0,                                  ED_AREA_1X1_LSETTINGS_YOFF,
4677     GADGET_ID_RANDOM_BACKGROUND,        GADGET_ID_RANDOM_RESTRICTED,
4678     &random_placement_background_element, 1, 1,
4679     NULL, NULL, NULL, NULL,             "Random placement background"
4680   },
4681 };
4682
4683
4684 // ----------------------------------------------------------------------------
4685 // some internally used variables
4686 // ----------------------------------------------------------------------------
4687
4688 // maximal size of level editor drawing area
4689 static int MAX_ED_FIELDX, MAX_ED_FIELDY;
4690
4691 // actual size of level editor drawing area
4692 static int ed_fieldx, ed_fieldy;
4693
4694 // actual position of level editor drawing area in level playfield
4695 static int level_xpos = -1, level_ypos = -1;
4696
4697 // actual tile size used to display playfield drawing area
4698 static int ed_tilesize = DEFAULT_EDITOR_TILESIZE;
4699 static int ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
4700
4701 #define IN_ED_FIELD(x, y)       IN_FIELD(x, y, ed_fieldx, ed_fieldy)
4702
4703 // drawing elements on the three mouse buttons
4704 static int new_element1 = EL_WALL;
4705 static int new_element2 = EL_EMPTY;
4706 static int new_element3 = EL_SAND;
4707
4708 #define IS_VALID_BUTTON(button) (button >= 1 && button <= 3)
4709 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
4710                                 (button) == 2 ? new_element2 : \
4711                                 (button) == 3 ? new_element3 : EL_EMPTY)
4712
4713 #define BUTTON_TILE_SIZE(x)     ((x) >= TILESIZE ? TILESIZE : MINI_TILESIZE)
4714
4715 static int use_permanent_palette = TRUE;
4716
4717 #define PX              (use_permanent_palette ? DX : SX)
4718 #define PY              (use_permanent_palette ? DY : SY)
4719 #define PXSIZE          (use_permanent_palette ? DXSIZE : SXSIZE)
4720 #define PYSIZE          (use_permanent_palette ? DYSIZE : SYSIZE)
4721
4722 // forward declaration for internal use
4723 static void CopyBrushToCursor(int, int);
4724 static void DeleteBrushFromCursor(void);
4725 static void ModifyEditorCounterValue(int, int);
4726 static void ModifyEditorCounterLimits(int, int, int);
4727 static void ModifyEditorSelectboxValue(int, int);
4728 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
4729 static void ModifyEditorDrawingArea(int, int, int);
4730 static void ModifyEditorElementList(void);
4731 static void AdjustElementListScrollbar(void);
4732 static void RedrawDrawingElements(void);
4733 static void DrawDrawingWindowExt(boolean);
4734 static void DrawDrawingWindow(void);
4735 static void DrawLevelConfigWindow(void);
4736 static void DrawPropertiesWindow(void);
4737 static void DrawPaletteWindow(void);
4738 static void UpdateCustomElementGraphicGadgets(void);
4739 static boolean checkPropertiesConfig(int);
4740 static void SetAutomaticNumberOfGemsNeeded(void);
4741 static void ClearEditorGadgetInfoText(void);
4742 static void CopyLevelToUndoBuffer(int);
4743 static void HandleDrawingAreas(struct GadgetInfo *);
4744 static void HandleCounterButtons(struct GadgetInfo *);
4745 static void HandleTextInputGadgets(struct GadgetInfo *);
4746 static void HandleTextAreaGadgets(struct GadgetInfo *);
4747 static void HandleSelectboxGadgets(struct GadgetInfo *);
4748 static void HandleTextbuttonGadgets(struct GadgetInfo *);
4749 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
4750 static void HandleRadiobuttons(struct GadgetInfo *);
4751 static void HandleCheckbuttons(struct GadgetInfo *);
4752 static void HandleControlButtons(struct GadgetInfo *);
4753 static void HandleDrawingAreaInfo(struct GadgetInfo *);
4754 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
4755 static boolean AskToCopyAndModifyLevelTemplate(void);
4756 static boolean getDrawModeHiRes(void);
4757 static int getTabulatorBarWidth(void);
4758 static int getTabulatorBarHeight(void);
4759 static Pixel getTabulatorBarColor(void);
4760 static void getEditorGraphicAndFrame(int, int *, int *, boolean);
4761 static int numHiresTiles(int);
4762
4763 static int num_editor_gadgets = 0;      // dynamically determined
4764
4765 static struct GadgetInfo **level_editor_gadget = NULL;
4766 static int *right_gadget_border = NULL;
4767
4768 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
4769 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
4770 static boolean draw_with_brush = FALSE;
4771 static int properties_element = 0;
4772
4773 static short TileBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
4774 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
4775 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
4776 static int undo_buffer_position = 0;
4777 static int undo_buffer_steps = 0;
4778 static int redo_buffer_steps = 0;
4779
4780 static int edit_mode;
4781 static int edit_mode_levelconfig;
4782 static int edit_mode_properties;
4783
4784 static int element_shift = 0;
4785
4786 static int editor_el_players[] =
4787 {
4788   EL_PLAYER_1,
4789   EL_PLAYER_2,
4790   EL_PLAYER_3,
4791   EL_PLAYER_4
4792 };
4793 static int *editor_el_players_ptr = editor_el_players;
4794 static int num_editor_el_players = ARRAY_SIZE(editor_el_players);
4795
4796 static int editor_hl_boulderdash[] =
4797 {
4798   EL_INTERNAL_CASCADE_BD_ACTIVE,
4799   EL_CHAR('B'),
4800   EL_CHAR('D'),
4801   EL_EMPTY,
4802 };
4803
4804 static int editor_el_boulderdash[] =
4805 {
4806   EL_EMPTY,
4807   EL_SAND,
4808   EL_BD_ROCK,
4809   EL_BD_DIAMOND,
4810
4811   EL_STEELWALL,
4812   EL_BD_WALL,
4813   EL_BD_EXPANDABLE_WALL,
4814   EL_BD_MAGIC_WALL,
4815
4816   EL_BD_AMOEBA,
4817   EL_BD_BUTTERFLY_UP,
4818   EL_BD_FIREFLY_UP,
4819   EL_EXIT_CLOSED,
4820
4821   EL_BD_BUTTERFLY_LEFT,
4822   EL_BD_FIREFLY_LEFT,
4823   EL_BD_BUTTERFLY_RIGHT,
4824   EL_BD_FIREFLY_RIGHT,
4825
4826   EL_EMPTY,
4827   EL_BD_BUTTERFLY_DOWN,
4828   EL_BD_FIREFLY_DOWN,
4829   EL_EXIT_OPEN,
4830 };
4831 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
4832 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
4833 static int num_editor_hl_boulderdash = ARRAY_SIZE(editor_hl_boulderdash);
4834 static int num_editor_el_boulderdash = ARRAY_SIZE(editor_el_boulderdash);
4835
4836 static int editor_hl_boulderdash_native[] =
4837 {
4838   EL_INTERNAL_CASCADE_BD_NATIVE_ACTIVE,
4839   EL_CHAR('B'),
4840   EL_CHAR('D'),
4841   EL_EMPTY,
4842 };
4843
4844 static int editor_el_boulderdash_native[] =
4845 {
4846   EL_EMPTY,
4847   EL_BD_SAND,
4848   EL_BD_ROCK,
4849   EL_BD_DIAMOND,
4850
4851   EL_BD_STEELWALL,
4852   EL_BD_WALL,
4853   EL_BD_SAND_2,
4854   EL_BD_MAGIC_WALL,
4855
4856   EL_BD_AMOEBA,
4857   EL_BD_BUTTERFLY_UP,
4858   EL_BD_FIREFLY_UP,
4859   EL_BD_EXIT_CLOSED,
4860
4861   EL_BD_BUTTERFLY_LEFT,
4862   EL_BD_FIREFLY_LEFT,
4863   EL_BD_BUTTERFLY_RIGHT,
4864   EL_BD_FIREFLY_RIGHT,
4865
4866   EL_BD_INBOX,
4867   EL_BD_BUTTERFLY_DOWN,
4868   EL_BD_FIREFLY_DOWN,
4869   EL_BD_EXIT_OPEN,
4870
4871   EL_BD_AMOEBA_2,
4872   EL_BD_BUTTERFLY_2_UP,
4873   EL_BD_FIREFLY_2_UP,
4874   EL_BD_SLIME,
4875
4876   EL_BD_BUTTERFLY_2_LEFT,
4877   EL_BD_FIREFLY_2_LEFT,
4878   EL_BD_BUTTERFLY_2_RIGHT,
4879   EL_BD_FIREFLY_2_RIGHT,
4880
4881   EL_BD_BOMB,
4882   EL_BD_BUTTERFLY_2_DOWN,
4883   EL_BD_FIREFLY_2_DOWN,
4884   EL_BD_FLYING_DIAMOND,
4885
4886   EL_BD_NITRO_PACK,
4887   EL_BD_DRAGONFLY_UP,
4888   EL_BD_STONEFLY_UP,
4889   EL_BD_DIAMOND_GLUED,
4890
4891   EL_BD_DRAGONFLY_LEFT,
4892   EL_BD_STONEFLY_LEFT,
4893   EL_BD_DRAGONFLY_RIGHT,
4894   EL_BD_STONEFLY_RIGHT,
4895
4896   EL_BD_NUT,
4897   EL_BD_DRAGONFLY_DOWN,
4898   EL_BD_STONEFLY_DOWN,
4899   EL_EMPTY,
4900
4901   EL_BD_BITER_SWITCH_1,
4902   EL_BD_BITER_UP,
4903   EL_BD_COW_UP,
4904   EL_EMPTY,
4905
4906   EL_BD_BITER_LEFT,
4907   EL_BD_COW_LEFT,
4908   EL_BD_BITER_RIGHT,
4909   EL_BD_COW_RIGHT,
4910
4911   EL_BD_VOODOO_DOLL,
4912   EL_BD_BITER_DOWN,
4913   EL_BD_COW_DOWN,
4914   EL_BD_GHOST,
4915
4916   EL_BD_SAND_GLUED,
4917   EL_BD_SAND_BALL,
4918   EL_BD_SAND_LOOSE,
4919   EL_BD_WALL_NON_SLOPED,
4920
4921   EL_BD_SAND_SLOPED_UP_LEFT,
4922   EL_BD_SAND_SLOPED_UP_RIGHT,
4923   EL_BD_WALL_SLOPED_UP_LEFT,
4924   EL_BD_WALL_SLOPED_UP_RIGHT,
4925
4926   EL_BD_SAND_SLOPED_DOWN_LEFT,
4927   EL_BD_SAND_SLOPED_DOWN_RIGHT,
4928   EL_BD_WALL_SLOPED_DOWN_LEFT,
4929   EL_BD_WALL_SLOPED_DOWN_RIGHT,
4930
4931   EL_BD_FLYING_ROCK,
4932   EL_BD_ROCK_GLUED,
4933   EL_BD_STEELWALL_SLOPED_UP_LEFT,
4934   EL_BD_STEELWALL_SLOPED_UP_RIGHT,
4935
4936   EL_BD_WAITING_ROCK,
4937   EL_BD_CHASING_ROCK,
4938   EL_BD_STEELWALL_SLOPED_DOWN_LEFT,
4939   EL_BD_STEELWALL_SLOPED_DOWN_RIGHT,
4940
4941   EL_BD_MEGA_ROCK,
4942   EL_BD_SWEET,
4943   EL_BD_INVISIBLE_EXIT_CLOSED,
4944   EL_BD_INVISIBLE_EXIT_OPEN,
4945
4946   EL_BD_STEELWALL_EXPLODABLE,
4947   EL_BD_STEELWALL_DIGGABLE,
4948   EL_BD_WALL_DIGGABLE,
4949   EL_BD_FALLING_WALL,
4950
4951   EL_BD_EXPANDABLE_WALL_HORIZONTAL,
4952   EL_BD_EXPANDABLE_WALL_VERTICAL,
4953   EL_BD_EXPANDABLE_WALL_ANY,
4954   EL_BD_EXPANDABLE_WALL_SWITCH_HORIZONTAL,
4955
4956   EL_BD_EXPANDABLE_STEELWALL_HORIZONTAL,
4957   EL_BD_EXPANDABLE_STEELWALL_VERTICAL,
4958   EL_BD_EXPANDABLE_STEELWALL_ANY,
4959   EL_BD_CREATURE_SWITCH,
4960
4961   EL_BD_BLADDER,
4962   EL_BD_BLADDER_SPENDER,
4963   EL_BD_REPLICATOR,
4964   EL_BD_REPLICATOR_SWITCH,
4965
4966   EL_BD_CONVEYOR_LEFT,
4967   EL_BD_CONVEYOR_RIGHT,
4968   EL_BD_CONVEYOR_SWITCH,
4969   EL_BD_CONVEYOR_DIR_SWITCH_NORMAL,
4970
4971   EL_BD_CLOCK,
4972   EL_BD_TIME_PENALTY,
4973   EL_BD_GRAVESTONE,
4974   EL_BD_SKELETON,
4975
4976   EL_BD_WATER,
4977   EL_BD_ACID,
4978   EL_BD_LAVA,
4979   EL_BD_BOX,
4980
4981   EL_BD_GATE_1,
4982   EL_BD_GATE_2,
4983   EL_BD_GATE_3,
4984   EL_BD_TRAPPED_DIAMOND,
4985
4986   EL_BD_KEY_1,
4987   EL_BD_KEY_2,
4988   EL_BD_KEY_3,
4989   EL_BD_DIAMOND_KEY,
4990
4991   EL_BD_WALL_KEY_1,
4992   EL_BD_WALL_KEY_2,
4993   EL_BD_WALL_KEY_3,
4994   EL_BD_WALL_DIAMOND,
4995
4996   EL_BD_GRAVITY_SWITCH,
4997   EL_BD_PNEUMATIC_HAMMER,
4998   EL_BD_TELEPORTER,
4999   EL_BD_POT,
5000
5001   EL_BD_PLAYER,
5002   EL_BD_PLAYER_WITH_BOMB,
5003   EL_BD_PLAYER_GLUED,
5004   EL_BD_PLAYER_STIRRING,
5005 };
5006 static int *editor_hl_boulderdash_native_ptr = editor_hl_boulderdash_native;
5007 static int *editor_el_boulderdash_native_ptr = editor_el_boulderdash_native;
5008 static int num_editor_hl_boulderdash_native = ARRAY_SIZE(editor_hl_boulderdash_native);
5009 static int num_editor_el_boulderdash_native = ARRAY_SIZE(editor_el_boulderdash_native);
5010
5011 static int editor_hl_boulderdash_effects[] =
5012 {
5013   EL_INTERNAL_CASCADE_BD_EFFECTS_ACTIVE,
5014   EL_CHAR('B'),
5015   EL_CHAR('D'),
5016   EL_CHAR('E'),
5017 };
5018
5019 static int editor_el_boulderdash_effects[] =
5020 {
5021   EL_BD_DIAMOND_FALLING,
5022   EL_BD_ROCK_FALLING,
5023   EL_BD_MEGA_ROCK_FALLING,
5024   EL_BD_FLYING_DIAMOND_FLYING,
5025
5026   EL_BD_FALLING_WALL_FALLING,
5027   EL_BD_NITRO_PACK_FALLING,
5028   EL_BD_NUT_FALLING,
5029   EL_BD_FLYING_ROCK_FLYING,
5030
5031   EL_BD_PLAYER_GROWING_1,
5032   EL_BD_PLAYER_GROWING_2,
5033   EL_BD_PLAYER_GROWING_3,
5034   EL_BD_PLAYER,
5035
5036   EL_BD_PLAYER_WITH_BOMB,
5037   EL_BD_PLAYER_STIRRING,
5038   EL_BD_EXIT_OPEN,
5039   EL_BD_INVISIBLE_EXIT_OPEN,
5040
5041   EL_BD_BLADDER_1,
5042   EL_BD_BLADDER_2,
5043   EL_BD_BLADDER_3,
5044   EL_BD_BLADDER_4,
5045
5046   EL_BD_BLADDER_5,
5047   EL_BD_BLADDER_6,
5048   EL_BD_BLADDER_7,
5049   EL_BD_BLADDER_8,
5050
5051   EL_BD_SAND_2,
5052   EL_BD_COW_ENCLOSED_1,
5053   EL_BD_COW_ENCLOSED_2,
5054   EL_BD_COW_ENCLOSED_3,
5055
5056   EL_BD_COW_ENCLOSED_4,
5057   EL_BD_COW_ENCLOSED_5,
5058   EL_BD_COW_ENCLOSED_6,
5059   EL_BD_COW_ENCLOSED_7,
5060
5061   EL_BD_WATER_1,
5062   EL_BD_WATER_2,
5063   EL_BD_WATER_3,
5064   EL_BD_WATER_4,
5065
5066   EL_BD_WATER_5,
5067   EL_BD_WATER_6,
5068   EL_BD_WATER_7,
5069   EL_BD_WATER_8,
5070
5071   EL_BD_WATER_9,
5072   EL_BD_WATER_10,
5073   EL_BD_WATER_11,
5074   EL_BD_WATER_12,
5075
5076   EL_BD_WATER_13,
5077   EL_BD_WATER_14,
5078   EL_BD_WATER_15,
5079   EL_BD_WATER_16,
5080
5081   EL_BD_BOMB_TICKING_1,
5082   EL_BD_BOMB_TICKING_2,
5083   EL_BD_BOMB_TICKING_3,
5084   EL_BD_BOMB_TICKING_4,
5085
5086   EL_BD_BOMB_TICKING_5,
5087   EL_BD_BOMB_TICKING_6,
5088   EL_BD_BOMB_TICKING_7,
5089   EL_EMPTY,
5090
5091   EL_BD_BOMB_EXPLODING_1,
5092   EL_BD_BOMB_EXPLODING_2,
5093   EL_BD_BOMB_EXPLODING_3,
5094   EL_BD_BOMB_EXPLODING_4,
5095
5096   EL_BD_NUT_BREAKING_1,
5097   EL_BD_NUT_BREAKING_2,
5098   EL_BD_NUT_BREAKING_3,
5099   EL_BD_NUT_BREAKING_4,
5100
5101   EL_BD_EXPLODING_1,
5102   EL_BD_EXPLODING_2,
5103   EL_BD_EXPLODING_3,
5104   EL_BD_EXPLODING_4,
5105
5106   EL_BD_EXPLODING_5,
5107   EL_BD_TIME_PENALTY,
5108   EL_BD_DIAMOND_GROWING_1,
5109   EL_BD_DIAMOND_GROWING_2,
5110
5111   EL_BD_DIAMOND_GROWING_3,
5112   EL_BD_DIAMOND_GROWING_4,
5113   EL_BD_DIAMOND_GROWING_5,
5114   EL_BD_NITRO_PACK_EXPLODING,
5115
5116   EL_BD_NITRO_PACK_EXPLODING_1,
5117   EL_BD_NITRO_PACK_EXPLODING_2,
5118   EL_BD_NITRO_PACK_EXPLODING_3,
5119   EL_BD_NITRO_PACK_EXPLODING_4,
5120
5121   EL_BD_ROCK_GROWING_1,
5122   EL_BD_ROCK_GROWING_2,
5123   EL_BD_ROCK_GROWING_3,
5124   EL_BD_ROCK_GROWING_4,
5125
5126   EL_BD_STEELWALL_GROWING_1,
5127   EL_BD_STEELWALL_GROWING_2,
5128   EL_BD_STEELWALL_GROWING_3,
5129   EL_BD_STEELWALL_GROWING_4,
5130
5131   EL_BD_CLOCK_GROWING_1,
5132   EL_BD_CLOCK_GROWING_2,
5133   EL_BD_CLOCK_GROWING_3,
5134   EL_BD_CLOCK_GROWING_4,
5135
5136   EL_BD_GHOST_EXPLODING_1,
5137   EL_BD_GHOST_EXPLODING_2,
5138   EL_BD_GHOST_EXPLODING_3,
5139   EL_BD_GHOST_EXPLODING_4,
5140 };
5141 static int *editor_hl_boulderdash_effects_ptr = editor_hl_boulderdash_effects;
5142 static int *editor_el_boulderdash_effects_ptr = editor_el_boulderdash_effects;
5143 static int num_editor_hl_boulderdash_effects = ARRAY_SIZE(editor_hl_boulderdash_effects);
5144 static int num_editor_el_boulderdash_effects = ARRAY_SIZE(editor_el_boulderdash_effects);
5145
5146 static int editor_hl_emerald_mine[] =
5147 {
5148   EL_INTERNAL_CASCADE_EM_ACTIVE,
5149   EL_CHAR('E'),
5150   EL_CHAR('M'),
5151   EL_EMPTY,
5152 };
5153
5154 static int editor_el_emerald_mine[] =
5155 {
5156   EL_SAND,
5157   EL_ROCK,
5158   EL_QUICKSAND_EMPTY,
5159   EL_QUICKSAND_FULL,
5160
5161   EL_STEELWALL,
5162   EL_WALL,
5163   EL_WALL_SLIPPERY,
5164   EL_MAGIC_WALL,
5165
5166   EL_EMERALD,
5167   EL_DIAMOND,
5168   EL_NUT,
5169   EL_BOMB,
5170
5171   EL_EM_DYNAMITE,
5172   EL_EM_DYNAMITE_ACTIVE,
5173   EL_EM_EXIT_CLOSED,
5174   EL_EM_EXIT_OPEN,
5175
5176   EL_YAMYAM_UP,
5177   EL_BUG_UP,
5178   EL_SPACESHIP_UP,
5179   EL_ROBOT,
5180
5181   EL_BUG_LEFT,
5182   EL_SPACESHIP_LEFT,
5183   EL_BUG_RIGHT,
5184   EL_SPACESHIP_RIGHT,
5185
5186   EL_ROBOT_WHEEL,
5187   EL_BUG_DOWN,
5188   EL_SPACESHIP_DOWN,
5189   EL_INVISIBLE_WALL,
5190
5191   EL_ACID_POOL_TOPLEFT,
5192   EL_ACID,
5193   EL_ACID_POOL_TOPRIGHT,
5194   EL_AMOEBA_DROP,
5195
5196   EL_ACID_POOL_BOTTOMLEFT,
5197   EL_ACID_POOL_BOTTOM,
5198   EL_ACID_POOL_BOTTOMRIGHT,
5199   EL_AMOEBA_WET,
5200
5201   EL_EM_KEY_1,
5202   EL_EM_KEY_2,
5203   EL_EM_KEY_3,
5204   EL_EM_KEY_4,
5205
5206   EL_EM_GATE_1,
5207   EL_EM_GATE_2,
5208   EL_EM_GATE_3,
5209   EL_EM_GATE_4,
5210
5211   EL_EM_GATE_1_GRAY,
5212   EL_EM_GATE_2_GRAY,
5213   EL_EM_GATE_3_GRAY,
5214   EL_EM_GATE_4_GRAY,
5215 };
5216 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
5217 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
5218 static int num_editor_hl_emerald_mine = ARRAY_SIZE(editor_hl_emerald_mine);
5219 static int num_editor_el_emerald_mine = ARRAY_SIZE(editor_el_emerald_mine);
5220
5221 static int editor_hl_emerald_mine_club[] =
5222 {
5223   EL_INTERNAL_CASCADE_EMC_ACTIVE,
5224   EL_CHAR('E'),
5225   EL_CHAR('M'),
5226   EL_CHAR('C'),
5227 };
5228
5229 static int editor_el_emerald_mine_club[] =
5230 {
5231   EL_EMC_KEY_5,
5232   EL_EMC_KEY_6,
5233   EL_EMC_KEY_7,
5234   EL_EMC_KEY_8,
5235
5236   EL_EMC_GATE_5,
5237   EL_EMC_GATE_6,
5238   EL_EMC_GATE_7,
5239   EL_EMC_GATE_8,
5240
5241   EL_EMC_GATE_5_GRAY,
5242   EL_EMC_GATE_6_GRAY,
5243   EL_EMC_GATE_7_GRAY,
5244   EL_EMC_GATE_8_GRAY,
5245
5246   EL_EMC_STEELWALL_1,
5247   EL_EMC_STEELWALL_2,
5248   EL_EMC_STEELWALL_3,
5249   EL_EMC_STEELWALL_4,
5250
5251   EL_EMC_WALL_13,
5252   EL_EMC_WALL_14,
5253   EL_EMC_WALL_15,
5254   EL_EMC_WALL_16,
5255
5256   EL_EMC_WALL_SLIPPERY_1,
5257   EL_EMC_WALL_SLIPPERY_2,
5258   EL_EMC_WALL_SLIPPERY_3,
5259   EL_EMC_WALL_SLIPPERY_4,
5260
5261   EL_EMC_WALL_1,
5262   EL_EMC_WALL_2,
5263   EL_EMC_WALL_3,
5264   EL_EMC_WALL_4,
5265
5266   EL_EMC_WALL_5,
5267   EL_EMC_WALL_6,
5268   EL_EMC_WALL_7,
5269   EL_EMC_WALL_8,
5270
5271   EL_EMC_WALL_9,
5272   EL_EMC_WALL_10,
5273   EL_EMC_WALL_11,
5274   EL_EMC_WALL_12,
5275
5276   EL_EMC_GRASS,
5277   EL_EMC_FAKE_GRASS,
5278   EL_EMC_PLANT,
5279   EL_EMC_DRIPPER,
5280
5281   EL_EMC_MAGIC_BALL,
5282   EL_EMC_MAGIC_BALL_SWITCH,
5283   EL_EMC_LENSES,
5284   EL_EMC_MAGNIFIER,
5285
5286   EL_SPRING_LEFT,
5287   EL_SPRING,
5288   EL_SPRING_RIGHT,
5289   EL_EMC_SPRING_BUMPER,
5290
5291   EL_BALLOON,
5292   EL_YAMYAM_UP,
5293   EL_BALLOON_SWITCH_UP,
5294   EL_BALLOON_SWITCH_ANY,
5295
5296   EL_YAMYAM_LEFT,
5297   EL_BALLOON_SWITCH_LEFT,
5298   EL_YAMYAM_RIGHT,
5299   EL_BALLOON_SWITCH_RIGHT,
5300
5301   EL_EMC_ANDROID,
5302   EL_YAMYAM_DOWN,
5303   EL_BALLOON_SWITCH_DOWN,
5304   EL_BALLOON_SWITCH_NONE,
5305 };
5306 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
5307 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
5308 static int num_editor_hl_emerald_mine_club = ARRAY_SIZE(editor_hl_emerald_mine_club);
5309 static int num_editor_el_emerald_mine_club = ARRAY_SIZE(editor_el_emerald_mine_club);
5310
5311 static int editor_hl_rnd[] =
5312 {
5313   EL_INTERNAL_CASCADE_RND_ACTIVE,
5314   EL_CHAR('R'),
5315   EL_CHAR('N'),
5316   EL_CHAR('D'),
5317 };
5318
5319 static int editor_el_rnd[] =
5320 {
5321   EL_DYNAMITE,                  // RND
5322   EL_DYNAMITE_ACTIVE,           // RND
5323   EL_EMPTY,
5324   EL_EMPTY,
5325
5326   EL_KEY_1,
5327   EL_KEY_2,
5328   EL_KEY_3,
5329   EL_KEY_4,
5330
5331   EL_GATE_1,
5332   EL_GATE_2,
5333   EL_GATE_3,
5334   EL_GATE_4,
5335
5336   EL_GATE_1_GRAY,
5337   EL_GATE_2_GRAY,
5338   EL_GATE_3_GRAY,
5339   EL_GATE_4_GRAY,
5340
5341   EL_ARROW_LEFT,
5342   EL_ARROW_RIGHT,
5343   EL_ARROW_UP,
5344   EL_ARROW_DOWN,
5345
5346   EL_AMOEBA_DEAD,
5347   EL_AMOEBA_DRY,
5348   EL_AMOEBA_FULL,
5349   EL_GAME_OF_LIFE,
5350
5351   EL_EMERALD_YELLOW,
5352   EL_EMERALD_RED,
5353   EL_EMERALD_PURPLE,
5354   EL_BIOMAZE,
5355
5356   EL_WALL_EMERALD_YELLOW,
5357   EL_WALL_EMERALD_RED,
5358   EL_WALL_EMERALD_PURPLE,
5359   EL_WALL_BD_DIAMOND,
5360
5361   EL_SPEED_PILL,
5362   EL_PACMAN_UP,
5363   EL_TIME_ORB_FULL,
5364   EL_TIME_ORB_EMPTY,
5365
5366   EL_PACMAN_LEFT,
5367   EL_DARK_YAMYAM,
5368   EL_PACMAN_RIGHT,
5369   EL_YAMYAM,                    // RND
5370
5371   EL_BLACK_ORB,
5372   EL_PACMAN_DOWN,
5373   EL_LAMP,
5374   EL_LAMP_ACTIVE,
5375
5376   EL_DYNABOMB_INCREASE_NUMBER,
5377   EL_DYNABOMB_INCREASE_SIZE,
5378   EL_DYNABOMB_INCREASE_POWER,
5379   EL_STONEBLOCK,
5380
5381   EL_MOLE,
5382   EL_PENGUIN,
5383   EL_PIG,
5384   EL_DRAGON,
5385
5386   EL_BUG,
5387   EL_MOLE_UP,
5388   EL_BD_BUTTERFLY,
5389   EL_BD_FIREFLY,
5390
5391   EL_MOLE_LEFT,
5392   EL_SATELLITE,
5393   EL_MOLE_RIGHT,
5394   EL_PACMAN,
5395
5396   EL_SPACESHIP,
5397   EL_MOLE_DOWN,
5398   EL_INVISIBLE_STEELWALL,
5399   EL_INVISIBLE_WALL,
5400
5401   EL_EXPANDABLE_WALL,
5402   EL_EXPANDABLE_WALL_HORIZONTAL,
5403   EL_EXPANDABLE_WALL_VERTICAL,
5404   EL_EXPANDABLE_WALL_ANY,
5405 };
5406 static int *editor_hl_rnd_ptr = editor_hl_rnd;
5407 static int *editor_el_rnd_ptr = editor_el_rnd;
5408 static int num_editor_hl_rnd = ARRAY_SIZE(editor_hl_rnd);
5409 static int num_editor_el_rnd = ARRAY_SIZE(editor_el_rnd);
5410
5411 static int editor_hl_sokoban[] =
5412 {
5413   EL_INTERNAL_CASCADE_SB_ACTIVE,
5414   EL_CHAR('S'),
5415   EL_CHAR('B'),
5416   EL_EMPTY,
5417 };
5418
5419 static int editor_el_sokoban[] =
5420 {
5421   EL_SOKOBAN_OBJECT,
5422   EL_SOKOBAN_FIELD_EMPTY,
5423   EL_SOKOBAN_FIELD_FULL,
5424   EL_SOKOBAN_FIELD_PLAYER,
5425 };
5426 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
5427 static int *editor_el_sokoban_ptr = editor_el_sokoban;
5428 static int num_editor_hl_sokoban = ARRAY_SIZE(editor_hl_sokoban);
5429 static int num_editor_el_sokoban = ARRAY_SIZE(editor_el_sokoban);
5430
5431 static int editor_hl_supaplex[] =
5432 {
5433   EL_INTERNAL_CASCADE_SP_ACTIVE,
5434   EL_CHAR('S'),
5435   EL_CHAR('P'),
5436   EL_EMPTY,
5437 };
5438
5439 static int editor_el_supaplex[] =
5440 {
5441   EL_SP_MURPHY,
5442   EL_EMPTY,
5443   EL_SP_BASE,
5444   EL_SP_BUGGY_BASE,
5445
5446   EL_SP_INFOTRON,
5447   EL_SP_ZONK,
5448   EL_SP_SNIKSNAK,
5449   EL_SP_ELECTRON,
5450
5451   EL_SP_DISK_RED,
5452   EL_SP_DISK_ORANGE,
5453   EL_SP_DISK_YELLOW,
5454   EL_SP_TERMINAL,
5455
5456   EL_SP_EXIT_CLOSED,
5457   EL_SP_PORT_HORIZONTAL,
5458   EL_SP_PORT_VERTICAL,
5459   EL_SP_PORT_ANY,
5460
5461   EL_SP_PORT_LEFT,
5462   EL_SP_PORT_RIGHT,
5463   EL_SP_PORT_UP,
5464   EL_SP_PORT_DOWN,
5465
5466   EL_SP_GRAVITY_PORT_LEFT,
5467   EL_SP_GRAVITY_PORT_RIGHT,
5468   EL_SP_GRAVITY_PORT_UP,
5469   EL_SP_GRAVITY_PORT_DOWN,
5470
5471   EL_SP_GRAVITY_ON_PORT_LEFT,
5472   EL_SP_GRAVITY_ON_PORT_RIGHT,
5473   EL_SP_GRAVITY_ON_PORT_UP,
5474   EL_SP_GRAVITY_ON_PORT_DOWN,
5475
5476   EL_SP_GRAVITY_OFF_PORT_LEFT,
5477   EL_SP_GRAVITY_OFF_PORT_RIGHT,
5478   EL_SP_GRAVITY_OFF_PORT_UP,
5479   EL_SP_GRAVITY_OFF_PORT_DOWN,
5480
5481   EL_SP_HARDWARE_GRAY,
5482   EL_SP_HARDWARE_GREEN,
5483   EL_SP_HARDWARE_BLUE,
5484   EL_SP_HARDWARE_RED,
5485
5486   EL_SP_HARDWARE_BASE_1,
5487   EL_SP_HARDWARE_BASE_2,
5488   EL_SP_HARDWARE_BASE_3,
5489   EL_SP_HARDWARE_BASE_4,
5490
5491   EL_SP_HARDWARE_BASE_5,
5492   EL_SP_HARDWARE_BASE_6,
5493   EL_SP_HARDWARE_YELLOW,
5494   EL_SP_CHIP_TOP,
5495
5496   EL_SP_CHIP_SINGLE,
5497   EL_SP_CHIP_LEFT,
5498   EL_SP_CHIP_RIGHT,
5499   EL_SP_CHIP_BOTTOM,
5500 };
5501 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
5502 static int *editor_el_supaplex_ptr = editor_el_supaplex;
5503 static int num_editor_hl_supaplex = ARRAY_SIZE(editor_hl_supaplex);
5504 static int num_editor_el_supaplex = ARRAY_SIZE(editor_el_supaplex);
5505
5506 static int editor_hl_diamond_caves[] =
5507 {
5508   EL_INTERNAL_CASCADE_DC_ACTIVE,
5509   EL_CHAR('D'),
5510   EL_CHAR('C'),
5511   EL_CHAR('2'),
5512 };
5513
5514 static int editor_el_diamond_caves[] =
5515 {
5516   EL_EM_STEEL_EXIT_CLOSED,      // DC2
5517   EL_EM_STEEL_EXIT_OPEN,        // DC2
5518   EL_WALL_EMERALD,              // DC2
5519   EL_WALL_DIAMOND,              // DC2
5520
5521   EL_PEARL,
5522   EL_CRYSTAL,
5523   EL_WALL_PEARL,
5524   EL_WALL_CRYSTAL,
5525
5526   EL_CONVEYOR_BELT_1_LEFT,
5527   EL_CONVEYOR_BELT_1_MIDDLE,
5528   EL_CONVEYOR_BELT_1_RIGHT,
5529   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
5530
5531   EL_CONVEYOR_BELT_2_LEFT,
5532   EL_CONVEYOR_BELT_2_MIDDLE,
5533   EL_CONVEYOR_BELT_2_RIGHT,
5534   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
5535
5536   EL_CONVEYOR_BELT_3_LEFT,
5537   EL_CONVEYOR_BELT_3_MIDDLE,
5538   EL_CONVEYOR_BELT_3_RIGHT,
5539   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
5540
5541   EL_CONVEYOR_BELT_4_LEFT,
5542   EL_CONVEYOR_BELT_4_MIDDLE,
5543   EL_CONVEYOR_BELT_4_RIGHT,
5544   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
5545
5546   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
5547   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
5548   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
5549   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
5550
5551   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
5552   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
5553   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
5554   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
5555
5556   EL_TIMEGATE_CLOSED,
5557   EL_TIMEGATE_OPEN,
5558   EL_TIMEGATE_SWITCH,
5559   EL_DC_TIMEGATE_SWITCH,
5560
5561   EL_SWITCHGATE_CLOSED,
5562   EL_SWITCHGATE_OPEN,
5563   EL_SWITCHGATE_SWITCH_UP,
5564   EL_SWITCHGATE_SWITCH_DOWN,
5565
5566   EL_LIGHT_SWITCH,
5567   EL_LIGHT_SWITCH_ACTIVE,
5568   EL_DC_SWITCHGATE_SWITCH_UP,
5569   EL_DC_SWITCHGATE_SWITCH_DOWN,
5570
5571   EL_STEEL_EXIT_CLOSED,
5572   EL_STEEL_EXIT_OPEN,
5573   EL_STEELWALL_SLIPPERY,
5574   EL_INVISIBLE_SAND,
5575
5576   EL_QUICKSAND_FAST_EMPTY,
5577   EL_QUICKSAND_FAST_FULL,
5578   EL_LANDMINE,
5579   EL_DC_LANDMINE,
5580
5581   EL_SHIELD_NORMAL,
5582   EL_SHIELD_DEADLY,
5583   EL_EXTRA_TIME,
5584   EL_DC_MAGIC_WALL,
5585
5586   EL_ENVELOPE_1,
5587   EL_ENVELOPE_2,
5588   EL_ENVELOPE_3,
5589   EL_ENVELOPE_4,
5590
5591   EL_SIGN_RADIOACTIVITY,
5592   EL_SIGN_WHEELCHAIR,
5593   EL_SIGN_PARKING,
5594   EL_SIGN_NO_ENTRY,
5595
5596   EL_SIGN_GIVE_WAY,
5597   EL_SIGN_ENTRY_FORBIDDEN,
5598   EL_SIGN_EMERGENCY_EXIT,
5599   EL_SIGN_YIN_YANG,
5600
5601 #if 0
5602   EL_SIGN_SPERMS,
5603   EL_SIGN_BULLET,
5604   EL_SIGN_HEART,
5605   EL_SIGN_CROSS,
5606
5607   EL_SIGN_FRANKIE,
5608   EL_EMPTY,
5609   EL_EMPTY,
5610   EL_EMPTY,
5611
5612   EL_SPERMS,
5613   EL_BULLET,
5614   EL_HEART,
5615   EL_CROSS,
5616
5617   EL_FRANKIE,
5618   EL_EMPTY,
5619   EL_EMPTY,
5620   EL_EMPTY,
5621 #endif
5622
5623   EL_DC_STEELWALL_2_SINGLE,
5624   EL_DC_STEELWALL_2_TOP,
5625   EL_SIGN_EXCLAMATION,
5626   EL_SIGN_STOP,
5627
5628   EL_DC_STEELWALL_2_LEFT,
5629   EL_DC_STEELWALL_2_MIDDLE,
5630   EL_DC_STEELWALL_2_HORIZONTAL,
5631   EL_DC_STEELWALL_2_RIGHT,
5632
5633   EL_DC_STEELWALL_1_TOPLEFT,
5634   EL_DC_STEELWALL_2_VERTICAL,
5635   EL_DC_STEELWALL_1_TOPRIGHT,
5636   EL_DC_GATE_WHITE,
5637
5638   EL_DC_STEELWALL_1_VERTICAL,
5639   EL_DC_STEELWALL_2_BOTTOM,
5640   EL_DC_KEY_WHITE,
5641   EL_DC_GATE_WHITE_GRAY,
5642
5643   EL_DC_STEELWALL_1_BOTTOMLEFT,
5644   EL_DC_STEELWALL_1_HORIZONTAL,
5645   EL_DC_STEELWALL_1_BOTTOMRIGHT,
5646   EL_DC_GATE_FAKE_GRAY,
5647
5648   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
5649   EL_DC_STEELWALL_1_BOTTOM,
5650   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
5651   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
5652
5653   EL_DC_STEELWALL_1_RIGHT,
5654   EL_EMPTY,
5655   EL_DC_STEELWALL_1_LEFT,
5656   EL_EXPANDABLE_STEELWALL_VERTICAL,
5657
5658   EL_DC_STEELWALL_1_TOPRIGHT_2,
5659   EL_DC_STEELWALL_1_TOP,
5660   EL_DC_STEELWALL_1_TOPLEFT_2,
5661   EL_EXPANDABLE_STEELWALL_ANY,
5662 };
5663 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
5664 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
5665 static int num_editor_hl_diamond_caves = ARRAY_SIZE(editor_hl_diamond_caves);
5666 static int num_editor_el_diamond_caves = ARRAY_SIZE(editor_el_diamond_caves);
5667
5668 static int editor_hl_dx_boulderdash[] =
5669 {
5670   EL_INTERNAL_CASCADE_DX_ACTIVE,
5671   EL_CHAR('D'),
5672   EL_CHAR('X'),
5673   EL_EMPTY,
5674 };
5675
5676 static int editor_el_dx_boulderdash[] =
5677 {
5678   EL_EMPTY,
5679   EL_TUBE_RIGHT_DOWN,
5680   EL_TUBE_HORIZONTAL_DOWN,
5681   EL_TUBE_LEFT_DOWN,
5682
5683   EL_TUBE_HORIZONTAL,
5684   EL_TUBE_VERTICAL_RIGHT,
5685   EL_TUBE_ANY,
5686   EL_TUBE_VERTICAL_LEFT,
5687
5688   EL_TUBE_VERTICAL,
5689   EL_TUBE_RIGHT_UP,
5690   EL_TUBE_HORIZONTAL_UP,
5691   EL_TUBE_LEFT_UP,
5692
5693   EL_TRAP,
5694   EL_DX_SUPABOMB,
5695   EL_EMPTY,
5696   EL_EMPTY
5697 };
5698 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
5699 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
5700 static int num_editor_hl_dx_boulderdash = ARRAY_SIZE(editor_hl_dx_boulderdash);
5701 static int num_editor_el_dx_boulderdash = ARRAY_SIZE(editor_el_dx_boulderdash);
5702
5703 static int editor_hl_mirror_magic[] =
5704 {
5705   EL_INTERNAL_CASCADE_MM_ACTIVE,
5706   EL_CHAR('M'),
5707   EL_CHAR('M'),
5708   EL_EMPTY,
5709 };
5710
5711 static int editor_el_mirror_magic[] =
5712 {
5713   EL_MM_MCDUFFIN_RIGHT,
5714   EL_MM_MCDUFFIN_UP,
5715   EL_MM_MCDUFFIN_LEFT,
5716   EL_MM_MCDUFFIN_DOWN,
5717
5718   EL_MM_MIRROR_START,
5719   EL_MM_MIRROR_FIXED_START,
5720   EL_MM_POLARIZER_START,
5721   EL_MM_POLARIZER_CROSS_START,
5722
5723   EL_MM_TELEPORTER_RED_START,
5724   EL_MM_TELEPORTER_YELLOW_START,
5725   EL_MM_TELEPORTER_GREEN_START,
5726   EL_MM_TELEPORTER_BLUE_START,
5727
5728   EL_MM_PRISM,
5729   EL_MM_FUSE_ACTIVE,
5730   EL_MM_PACMAN_RIGHT,
5731   EL_MM_EXIT_CLOSED,
5732
5733   EL_MM_KETTLE,
5734   EL_MM_BOMB,
5735   EL_MM_KEY,
5736   EL_MM_FUEL_FULL,
5737
5738   EL_MM_LIGHTBULB,
5739   EL_MM_LIGHTBULB_ACTIVE,
5740   EL_MM_GRAY_BALL,
5741   EL_MM_LIGHTBALL,
5742
5743   EL_MM_STEEL_WALL,
5744   EL_MM_WOODEN_WALL,
5745   EL_MM_ICE_WALL,
5746   EL_MM_AMOEBA_WALL,
5747
5748   EL_MM_STEEL_LOCK,
5749   EL_MM_WOODEN_LOCK,
5750   EL_MM_STEEL_BLOCK,
5751   EL_MM_WOODEN_BLOCK,
5752
5753   EL_MM_STEEL_GRID_FIXED_1,
5754   EL_MM_STEEL_GRID_FIXED_2,
5755   EL_MM_STEEL_GRID_FIXED_3,
5756   EL_MM_STEEL_GRID_FIXED_4,
5757
5758   EL_MM_WOODEN_GRID_FIXED_1,
5759   EL_MM_WOODEN_GRID_FIXED_2,
5760   EL_MM_WOODEN_GRID_FIXED_3,
5761   EL_MM_WOODEN_GRID_FIXED_4,
5762
5763   EL_MM_ENVELOPE_1,
5764   EL_MM_ENVELOPE_2,
5765   EL_MM_ENVELOPE_3,
5766   EL_MM_ENVELOPE_4
5767 };
5768 static int *editor_hl_mirror_magic_ptr = editor_hl_mirror_magic;
5769 static int *editor_el_mirror_magic_ptr = editor_el_mirror_magic;
5770 static int num_editor_hl_mirror_magic = ARRAY_SIZE(editor_hl_mirror_magic);
5771 static int num_editor_el_mirror_magic = ARRAY_SIZE(editor_el_mirror_magic);
5772
5773 static int editor_hl_deflektor[] =
5774 {
5775   EL_INTERNAL_CASCADE_DF_ACTIVE,
5776   EL_CHAR('D'),
5777   EL_CHAR('F'),
5778   EL_EMPTY,
5779 };
5780
5781 static int editor_el_deflektor[] =
5782 {
5783   EL_DF_LASER_RIGHT,
5784   EL_DF_LASER_UP,
5785   EL_DF_LASER_LEFT,
5786   EL_DF_LASER_DOWN,
5787
5788   EL_DF_RECEIVER_RIGHT,
5789   EL_DF_RECEIVER_UP,
5790   EL_DF_RECEIVER_LEFT,
5791   EL_DF_RECEIVER_DOWN,
5792
5793   EL_DF_MIRROR_START,
5794   EL_DF_MIRROR_ROTATING_START,
5795   EL_DF_MIRROR_FIXED_START,
5796   EL_DF_CELL,
5797
5798   EL_DF_FIBRE_OPTIC_RED_1,
5799   EL_DF_FIBRE_OPTIC_YELLOW_1,
5800   EL_DF_FIBRE_OPTIC_GREEN_1,
5801   EL_DF_FIBRE_OPTIC_BLUE_1,
5802
5803   EL_DF_STEEL_GRID_FIXED_START,
5804   EL_DF_STEEL_GRID_ROTATING_START,
5805   EL_DF_WOODEN_GRID_FIXED_START,
5806   EL_DF_WOODEN_GRID_ROTATING_START,
5807
5808   EL_DF_STEEL_WALL,
5809   EL_DF_WOODEN_WALL,
5810   EL_DF_REFRACTOR,
5811   EL_DF_MINE,
5812
5813   EL_DF_SLOPE_1,
5814   EL_DF_SLOPE_2,
5815   EL_DF_SLOPE_3,
5816   EL_DF_SLOPE_4
5817 };
5818 static int *editor_hl_deflektor_ptr = editor_hl_deflektor;
5819 static int *editor_el_deflektor_ptr = editor_el_deflektor;
5820 static int num_editor_hl_deflektor = ARRAY_SIZE(editor_hl_deflektor);
5821 static int num_editor_el_deflektor = ARRAY_SIZE(editor_el_deflektor);
5822
5823 static int editor_hl_chars[] =
5824 {
5825   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
5826   EL_CHAR('T'),
5827   EL_CHAR('X'),
5828   EL_CHAR('T'),
5829 };
5830
5831 static int editor_el_chars[] =
5832 {
5833   EL_CHAR(' '),
5834   EL_CHAR('!'),
5835   EL_CHAR('"'),
5836   EL_CHAR('#'),
5837
5838   EL_CHAR('$'),
5839   EL_CHAR('%'),
5840   EL_CHAR('&'),
5841   EL_CHAR('\''),
5842
5843   EL_CHAR('('),
5844   EL_CHAR(')'),
5845   EL_CHAR('*'),
5846   EL_CHAR('+'),
5847
5848   EL_CHAR(','),
5849   EL_CHAR('-'),
5850   EL_CHAR('.'),
5851   EL_CHAR('/'),
5852
5853   EL_CHAR('0'),
5854   EL_CHAR('1'),
5855   EL_CHAR('2'),
5856   EL_CHAR('3'),
5857
5858   EL_CHAR('4'),
5859   EL_CHAR('5'),
5860   EL_CHAR('6'),
5861   EL_CHAR('7'),
5862
5863   EL_CHAR('8'),
5864   EL_CHAR('9'),
5865   EL_CHAR(':'),
5866   EL_CHAR(';'),
5867
5868   EL_CHAR('<'),
5869   EL_CHAR('='),
5870   EL_CHAR('>'),
5871   EL_CHAR('?'),
5872
5873   EL_CHAR('@'),
5874   EL_CHAR('A'),
5875   EL_CHAR('B'),
5876   EL_CHAR('C'),
5877
5878   EL_CHAR('D'),
5879   EL_CHAR('E'),
5880   EL_CHAR('F'),
5881   EL_CHAR('G'),
5882
5883   EL_CHAR('H'),
5884   EL_CHAR('I'),
5885   EL_CHAR('J'),
5886   EL_CHAR('K'),
5887
5888   EL_CHAR('L'),
5889   EL_CHAR('M'),
5890   EL_CHAR('N'),
5891   EL_CHAR('O'),
5892
5893   EL_CHAR('P'),
5894   EL_CHAR('Q'),
5895   EL_CHAR('R'),
5896   EL_CHAR('S'),
5897
5898   EL_CHAR('T'),
5899   EL_CHAR('U'),
5900   EL_CHAR('V'),
5901   EL_CHAR('W'),
5902
5903   EL_CHAR('X'),
5904   EL_CHAR('Y'),
5905   EL_CHAR('Z'),
5906   EL_CHAR('['),
5907
5908   EL_CHAR('\\'),
5909   EL_CHAR(']'),
5910   EL_CHAR('^'),
5911   EL_CHAR('_'),
5912
5913   EL_CHAR(CHAR_BYTE_COPYRIGHT),
5914   EL_CHAR(CHAR_BYTE_UMLAUT_A),
5915   EL_CHAR(CHAR_BYTE_UMLAUT_O),
5916   EL_CHAR(CHAR_BYTE_UMLAUT_U),
5917
5918   EL_CHAR(CHAR_BYTE_DEGREE),
5919   EL_CHAR(CHAR_BYTE_REGISTERED),
5920   EL_CHAR(FONT_ASCII_CURSOR),
5921   EL_CHAR(FONT_ASCII_BUTTON),
5922
5923   EL_CHAR(FONT_ASCII_UP),
5924   EL_CHAR(FONT_ASCII_DOWN),
5925   EL_CHAR(' '),
5926   EL_CHAR(' ')
5927 };
5928 static int *editor_hl_chars_ptr = editor_hl_chars;
5929 static int *editor_el_chars_ptr = editor_el_chars;
5930 static int num_editor_hl_chars = ARRAY_SIZE(editor_hl_chars);
5931 static int num_editor_el_chars = ARRAY_SIZE(editor_el_chars);
5932
5933 static int editor_hl_steel_chars[] =
5934 {
5935   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
5936   EL_STEEL_CHAR('T'),
5937   EL_STEEL_CHAR('X'),
5938   EL_STEEL_CHAR('T'),
5939 };
5940
5941 static int editor_el_steel_chars[] =
5942 {
5943   EL_STEEL_CHAR(' '),
5944   EL_STEEL_CHAR('!'),
5945   EL_STEEL_CHAR('"'),
5946   EL_STEEL_CHAR('#'),
5947
5948   EL_STEEL_CHAR('$'),
5949   EL_STEEL_CHAR('%'),
5950   EL_STEEL_CHAR('&'),
5951   EL_STEEL_CHAR('\''),
5952
5953   EL_STEEL_CHAR('('),
5954   EL_STEEL_CHAR(')'),
5955   EL_STEEL_CHAR('*'),
5956   EL_STEEL_CHAR('+'),
5957
5958   EL_STEEL_CHAR(','),
5959   EL_STEEL_CHAR('-'),
5960   EL_STEEL_CHAR('.'),
5961   EL_STEEL_CHAR('/'),
5962
5963   EL_STEEL_CHAR('0'),
5964   EL_STEEL_CHAR('1'),
5965   EL_STEEL_CHAR('2'),
5966   EL_STEEL_CHAR('3'),
5967
5968   EL_STEEL_CHAR('4'),
5969   EL_STEEL_CHAR('5'),
5970   EL_STEEL_CHAR('6'),
5971   EL_STEEL_CHAR('7'),
5972
5973   EL_STEEL_CHAR('8'),
5974   EL_STEEL_CHAR('9'),
5975   EL_STEEL_CHAR(':'),
5976   EL_STEEL_CHAR(';'),
5977
5978   EL_STEEL_CHAR('<'),
5979   EL_STEEL_CHAR('='),
5980   EL_STEEL_CHAR('>'),
5981   EL_STEEL_CHAR('?'),
5982
5983   EL_STEEL_CHAR('@'),
5984   EL_STEEL_CHAR('A'),
5985   EL_STEEL_CHAR('B'),
5986   EL_STEEL_CHAR('C'),
5987
5988   EL_STEEL_CHAR('D'),
5989   EL_STEEL_CHAR('E'),
5990   EL_STEEL_CHAR('F'),
5991   EL_STEEL_CHAR('G'),
5992
5993   EL_STEEL_CHAR('H'),
5994   EL_STEEL_CHAR('I'),
5995   EL_STEEL_CHAR('J'),
5996   EL_STEEL_CHAR('K'),
5997
5998   EL_STEEL_CHAR('L'),
5999   EL_STEEL_CHAR('M'),
6000   EL_STEEL_CHAR('N'),
6001   EL_STEEL_CHAR('O'),
6002
6003   EL_STEEL_CHAR('P'),
6004   EL_STEEL_CHAR('Q'),
6005   EL_STEEL_CHAR('R'),
6006   EL_STEEL_CHAR('S'),
6007
6008   EL_STEEL_CHAR('T'),
6009   EL_STEEL_CHAR('U'),
6010   EL_STEEL_CHAR('V'),
6011   EL_STEEL_CHAR('W'),
6012
6013   EL_STEEL_CHAR('X'),
6014   EL_STEEL_CHAR('Y'),
6015   EL_STEEL_CHAR('Z'),
6016   EL_STEEL_CHAR('['),
6017
6018   EL_STEEL_CHAR('\\'),
6019   EL_STEEL_CHAR(']'),
6020   EL_STEEL_CHAR('^'),
6021   EL_STEEL_CHAR('_'),
6022
6023   EL_STEEL_CHAR(CHAR_BYTE_COPYRIGHT),
6024   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_A),
6025   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_O),
6026   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_U),
6027
6028   EL_STEEL_CHAR(CHAR_BYTE_DEGREE),
6029   EL_STEEL_CHAR(CHAR_BYTE_REGISTERED),
6030   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
6031   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
6032
6033   EL_STEEL_CHAR(FONT_ASCII_UP),
6034   EL_STEEL_CHAR(FONT_ASCII_DOWN),
6035   EL_STEEL_CHAR(' '),
6036   EL_STEEL_CHAR(' ')
6037 };
6038 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
6039 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
6040 static int num_editor_hl_steel_chars = ARRAY_SIZE(editor_hl_steel_chars);
6041 static int num_editor_el_steel_chars = ARRAY_SIZE(editor_el_steel_chars);
6042
6043 static int editor_hl_custom[] =
6044 {
6045   EL_INTERNAL_CASCADE_CE_ACTIVE,
6046   EL_CHAR('C'),
6047   EL_CHAR('E'),
6048   EL_EMPTY,
6049 };
6050
6051 static int editor_el_custom[] =
6052 {
6053   EL_CUSTOM_START + 0,
6054   EL_CUSTOM_START + 1,
6055   EL_CUSTOM_START + 2,
6056   EL_CUSTOM_START + 3,
6057
6058   EL_CUSTOM_START + 4,
6059   EL_CUSTOM_START + 5,
6060   EL_CUSTOM_START + 6,
6061   EL_CUSTOM_START + 7,
6062
6063   EL_CUSTOM_START + 8,
6064   EL_CUSTOM_START + 9,
6065   EL_CUSTOM_START + 10,
6066   EL_CUSTOM_START + 11,
6067
6068   EL_CUSTOM_START + 12,
6069   EL_CUSTOM_START + 13,
6070   EL_CUSTOM_START + 14,
6071   EL_CUSTOM_START + 15,
6072
6073   EL_CUSTOM_START + 16,
6074   EL_CUSTOM_START + 17,
6075   EL_CUSTOM_START + 18,
6076   EL_CUSTOM_START + 19,
6077
6078   EL_CUSTOM_START + 20,
6079   EL_CUSTOM_START + 21,
6080   EL_CUSTOM_START + 22,
6081   EL_CUSTOM_START + 23,
6082
6083   EL_CUSTOM_START + 24,
6084   EL_CUSTOM_START + 25,
6085   EL_CUSTOM_START + 26,
6086   EL_CUSTOM_START + 27,
6087
6088   EL_CUSTOM_START + 28,
6089   EL_CUSTOM_START + 29,
6090   EL_CUSTOM_START + 30,
6091   EL_CUSTOM_START + 31,
6092
6093   EL_CUSTOM_START + 32,
6094   EL_CUSTOM_START + 33,
6095   EL_CUSTOM_START + 34,
6096   EL_CUSTOM_START + 35,
6097
6098   EL_CUSTOM_START + 36,
6099   EL_CUSTOM_START + 37,
6100   EL_CUSTOM_START + 38,
6101   EL_CUSTOM_START + 39,
6102
6103   EL_CUSTOM_START + 40,
6104   EL_CUSTOM_START + 41,
6105   EL_CUSTOM_START + 42,
6106   EL_CUSTOM_START + 43,
6107
6108   EL_CUSTOM_START + 44,
6109   EL_CUSTOM_START + 45,
6110   EL_CUSTOM_START + 46,
6111   EL_CUSTOM_START + 47,
6112
6113   EL_CUSTOM_START + 48,
6114   EL_CUSTOM_START + 49,
6115   EL_CUSTOM_START + 50,
6116   EL_CUSTOM_START + 51,
6117
6118   EL_CUSTOM_START + 52,
6119   EL_CUSTOM_START + 53,
6120   EL_CUSTOM_START + 54,
6121   EL_CUSTOM_START + 55,
6122
6123   EL_CUSTOM_START + 56,
6124   EL_CUSTOM_START + 57,
6125   EL_CUSTOM_START + 58,
6126   EL_CUSTOM_START + 59,
6127
6128   EL_CUSTOM_START + 60,
6129   EL_CUSTOM_START + 61,
6130   EL_CUSTOM_START + 62,
6131   EL_CUSTOM_START + 63,
6132
6133   EL_CUSTOM_START + 64,
6134   EL_CUSTOM_START + 65,
6135   EL_CUSTOM_START + 66,
6136   EL_CUSTOM_START + 67,
6137
6138   EL_CUSTOM_START + 68,
6139   EL_CUSTOM_START + 69,
6140   EL_CUSTOM_START + 70,
6141   EL_CUSTOM_START + 71,
6142
6143   EL_CUSTOM_START + 72,
6144   EL_CUSTOM_START + 73,
6145   EL_CUSTOM_START + 74,
6146   EL_CUSTOM_START + 75,
6147
6148   EL_CUSTOM_START + 76,
6149   EL_CUSTOM_START + 77,
6150   EL_CUSTOM_START + 78,
6151   EL_CUSTOM_START + 79,
6152
6153   EL_CUSTOM_START + 80,
6154   EL_CUSTOM_START + 81,
6155   EL_CUSTOM_START + 82,
6156   EL_CUSTOM_START + 83,
6157
6158   EL_CUSTOM_START + 84,
6159   EL_CUSTOM_START + 85,
6160   EL_CUSTOM_START + 86,
6161   EL_CUSTOM_START + 87,
6162
6163   EL_CUSTOM_START + 88,
6164   EL_CUSTOM_START + 89,
6165   EL_CUSTOM_START + 90,
6166   EL_CUSTOM_START + 91,
6167
6168   EL_CUSTOM_START + 92,
6169   EL_CUSTOM_START + 93,
6170   EL_CUSTOM_START + 94,
6171   EL_CUSTOM_START + 95,
6172
6173   EL_CUSTOM_START + 96,
6174   EL_CUSTOM_START + 97,
6175   EL_CUSTOM_START + 98,
6176   EL_CUSTOM_START + 99,
6177
6178   EL_CUSTOM_START + 100,
6179   EL_CUSTOM_START + 101,
6180   EL_CUSTOM_START + 102,
6181   EL_CUSTOM_START + 103,
6182
6183   EL_CUSTOM_START + 104,
6184   EL_CUSTOM_START + 105,
6185   EL_CUSTOM_START + 106,
6186   EL_CUSTOM_START + 107,
6187
6188   EL_CUSTOM_START + 108,
6189   EL_CUSTOM_START + 109,
6190   EL_CUSTOM_START + 110,
6191   EL_CUSTOM_START + 111,
6192
6193   EL_CUSTOM_START + 112,
6194   EL_CUSTOM_START + 113,
6195   EL_CUSTOM_START + 114,
6196   EL_CUSTOM_START + 115,
6197
6198   EL_CUSTOM_START + 116,
6199   EL_CUSTOM_START + 117,
6200   EL_CUSTOM_START + 118,
6201   EL_CUSTOM_START + 119,
6202
6203   EL_CUSTOM_START + 120,
6204   EL_CUSTOM_START + 121,
6205   EL_CUSTOM_START + 122,
6206   EL_CUSTOM_START + 123,
6207
6208   EL_CUSTOM_START + 124,
6209   EL_CUSTOM_START + 125,
6210   EL_CUSTOM_START + 126,
6211   EL_CUSTOM_START + 127,
6212
6213   EL_CUSTOM_START + 128,
6214   EL_CUSTOM_START + 129,
6215   EL_CUSTOM_START + 130,
6216   EL_CUSTOM_START + 131,
6217
6218   EL_CUSTOM_START + 132,
6219   EL_CUSTOM_START + 133,
6220   EL_CUSTOM_START + 134,
6221   EL_CUSTOM_START + 135,
6222
6223   EL_CUSTOM_START + 136,
6224   EL_CUSTOM_START + 137,
6225   EL_CUSTOM_START + 138,
6226   EL_CUSTOM_START + 139,
6227
6228   EL_CUSTOM_START + 140,
6229   EL_CUSTOM_START + 141,
6230   EL_CUSTOM_START + 142,
6231   EL_CUSTOM_START + 143,
6232
6233   EL_CUSTOM_START + 144,
6234   EL_CUSTOM_START + 145,
6235   EL_CUSTOM_START + 146,
6236   EL_CUSTOM_START + 147,
6237
6238   EL_CUSTOM_START + 148,
6239   EL_CUSTOM_START + 149,
6240   EL_CUSTOM_START + 150,
6241   EL_CUSTOM_START + 151,
6242
6243   EL_CUSTOM_START + 152,
6244   EL_CUSTOM_START + 153,
6245   EL_CUSTOM_START + 154,
6246   EL_CUSTOM_START + 155,
6247
6248   EL_CUSTOM_START + 156,
6249   EL_CUSTOM_START + 157,
6250   EL_CUSTOM_START + 158,
6251   EL_CUSTOM_START + 159,
6252
6253   EL_CUSTOM_START + 160,
6254   EL_CUSTOM_START + 161,
6255   EL_CUSTOM_START + 162,
6256   EL_CUSTOM_START + 163,
6257
6258   EL_CUSTOM_START + 164,
6259   EL_CUSTOM_START + 165,
6260   EL_CUSTOM_START + 166,
6261   EL_CUSTOM_START + 167,
6262
6263   EL_CUSTOM_START + 168,
6264   EL_CUSTOM_START + 169,
6265   EL_CUSTOM_START + 170,
6266   EL_CUSTOM_START + 171,
6267
6268   EL_CUSTOM_START + 172,
6269   EL_CUSTOM_START + 173,
6270   EL_CUSTOM_START + 174,
6271   EL_CUSTOM_START + 175,
6272
6273   EL_CUSTOM_START + 176,
6274   EL_CUSTOM_START + 177,
6275   EL_CUSTOM_START + 178,
6276   EL_CUSTOM_START + 179,
6277
6278   EL_CUSTOM_START + 180,
6279   EL_CUSTOM_START + 181,
6280   EL_CUSTOM_START + 182,
6281   EL_CUSTOM_START + 183,
6282
6283   EL_CUSTOM_START + 184,
6284   EL_CUSTOM_START + 185,
6285   EL_CUSTOM_START + 186,
6286   EL_CUSTOM_START + 187,
6287
6288   EL_CUSTOM_START + 188,
6289   EL_CUSTOM_START + 189,
6290   EL_CUSTOM_START + 190,
6291   EL_CUSTOM_START + 191,
6292
6293   EL_CUSTOM_START + 192,
6294   EL_CUSTOM_START + 193,
6295   EL_CUSTOM_START + 194,
6296   EL_CUSTOM_START + 195,
6297
6298   EL_CUSTOM_START + 196,
6299   EL_CUSTOM_START + 197,
6300   EL_CUSTOM_START + 198,
6301   EL_CUSTOM_START + 199,
6302
6303   EL_CUSTOM_START + 200,
6304   EL_CUSTOM_START + 201,
6305   EL_CUSTOM_START + 202,
6306   EL_CUSTOM_START + 203,
6307
6308   EL_CUSTOM_START + 204,
6309   EL_CUSTOM_START + 205,
6310   EL_CUSTOM_START + 206,
6311   EL_CUSTOM_START + 207,
6312
6313   EL_CUSTOM_START + 208,
6314   EL_CUSTOM_START + 209,
6315   EL_CUSTOM_START + 210,
6316   EL_CUSTOM_START + 211,
6317
6318   EL_CUSTOM_START + 212,
6319   EL_CUSTOM_START + 213,
6320   EL_CUSTOM_START + 214,
6321   EL_CUSTOM_START + 215,
6322
6323   EL_CUSTOM_START + 216,
6324   EL_CUSTOM_START + 217,
6325   EL_CUSTOM_START + 218,
6326   EL_CUSTOM_START + 219,
6327
6328   EL_CUSTOM_START + 220,
6329   EL_CUSTOM_START + 221,
6330   EL_CUSTOM_START + 222,
6331   EL_CUSTOM_START + 223,
6332
6333   EL_CUSTOM_START + 224,
6334   EL_CUSTOM_START + 225,
6335   EL_CUSTOM_START + 226,
6336   EL_CUSTOM_START + 227,
6337
6338   EL_CUSTOM_START + 228,
6339   EL_CUSTOM_START + 229,
6340   EL_CUSTOM_START + 230,
6341   EL_CUSTOM_START + 231,
6342
6343   EL_CUSTOM_START + 232,
6344   EL_CUSTOM_START + 233,
6345   EL_CUSTOM_START + 234,
6346   EL_CUSTOM_START + 235,
6347
6348   EL_CUSTOM_START + 236,
6349   EL_CUSTOM_START + 237,
6350   EL_CUSTOM_START + 238,
6351   EL_CUSTOM_START + 239,
6352
6353   EL_CUSTOM_START + 240,
6354   EL_CUSTOM_START + 241,
6355   EL_CUSTOM_START + 242,
6356   EL_CUSTOM_START + 243,
6357
6358   EL_CUSTOM_START + 244,
6359   EL_CUSTOM_START + 245,
6360   EL_CUSTOM_START + 246,
6361   EL_CUSTOM_START + 247,
6362
6363   EL_CUSTOM_START + 248,
6364   EL_CUSTOM_START + 249,
6365   EL_CUSTOM_START + 250,
6366   EL_CUSTOM_START + 251,
6367
6368   EL_CUSTOM_START + 252,
6369   EL_CUSTOM_START + 253,
6370   EL_CUSTOM_START + 254,
6371   EL_CUSTOM_START + 255
6372 };
6373 static int *editor_hl_custom_ptr = editor_hl_custom;
6374 static int *editor_el_custom_ptr = editor_el_custom;
6375 static int num_editor_hl_custom = ARRAY_SIZE(editor_hl_custom);
6376 static int num_editor_el_custom = ARRAY_SIZE(editor_el_custom);
6377
6378 static int editor_hl_group[] =
6379 {
6380   EL_INTERNAL_CASCADE_GE_ACTIVE,
6381   EL_CHAR('G'),
6382   EL_CHAR('E'),
6383   EL_EMPTY,
6384 };
6385
6386 static int editor_el_group[] =
6387 {
6388   EL_GROUP_START + 0,
6389   EL_GROUP_START + 1,
6390   EL_GROUP_START + 2,
6391   EL_GROUP_START + 3,
6392
6393   EL_GROUP_START + 4,
6394   EL_GROUP_START + 5,
6395   EL_GROUP_START + 6,
6396   EL_GROUP_START + 7,
6397
6398   EL_GROUP_START + 8,
6399   EL_GROUP_START + 9,
6400   EL_GROUP_START + 10,
6401   EL_GROUP_START + 11,
6402
6403   EL_GROUP_START + 12,
6404   EL_GROUP_START + 13,
6405   EL_GROUP_START + 14,
6406   EL_GROUP_START + 15,
6407
6408   EL_GROUP_START + 16,
6409   EL_GROUP_START + 17,
6410   EL_GROUP_START + 18,
6411   EL_GROUP_START + 19,
6412
6413   EL_GROUP_START + 20,
6414   EL_GROUP_START + 21,
6415   EL_GROUP_START + 22,
6416   EL_GROUP_START + 23,
6417
6418   EL_GROUP_START + 24,
6419   EL_GROUP_START + 25,
6420   EL_GROUP_START + 26,
6421   EL_GROUP_START + 27,
6422
6423   EL_GROUP_START + 28,
6424   EL_GROUP_START + 29,
6425   EL_GROUP_START + 30,
6426   EL_GROUP_START + 31
6427 };
6428 static int *editor_hl_group_ptr = editor_hl_group;
6429 static int *editor_el_group_ptr = editor_el_group;
6430 static int num_editor_hl_group = ARRAY_SIZE(editor_hl_group);
6431 static int num_editor_el_group = ARRAY_SIZE(editor_el_group);
6432
6433 static int editor_hl_empty_space[] =
6434 {
6435   EL_INTERNAL_CASCADE_ES_ACTIVE,
6436   EL_CHAR('E'),
6437   EL_CHAR('S'),
6438   EL_EMPTY,
6439 };
6440
6441 static int editor_el_empty_space[] =
6442 {
6443   EL_EMPTY_SPACE_1,
6444   EL_EMPTY_SPACE_2,
6445   EL_EMPTY_SPACE_3,
6446   EL_EMPTY_SPACE_4,
6447
6448   EL_EMPTY_SPACE_5,
6449   EL_EMPTY_SPACE_6,
6450   EL_EMPTY_SPACE_7,
6451   EL_EMPTY_SPACE_8,
6452
6453   EL_EMPTY_SPACE_9,
6454   EL_EMPTY_SPACE_10,
6455   EL_EMPTY_SPACE_11,
6456   EL_EMPTY_SPACE_12,
6457
6458   EL_EMPTY_SPACE_13,
6459   EL_EMPTY_SPACE_14,
6460   EL_EMPTY_SPACE_15,
6461   EL_EMPTY_SPACE_16
6462 };
6463 static int *editor_hl_empty_space_ptr = editor_hl_empty_space;
6464 static int *editor_el_empty_space_ptr = editor_el_empty_space;
6465 static int num_editor_hl_empty_space = ARRAY_SIZE(editor_hl_empty_space);
6466 static int num_editor_el_empty_space = ARRAY_SIZE(editor_el_empty_space);
6467
6468 static int editor_hl_reference[] =
6469 {
6470   EL_INTERNAL_CASCADE_REF_ACTIVE,
6471   EL_CHAR('R'),
6472   EL_CHAR('E'),
6473   EL_CHAR('F')
6474 };
6475
6476 static int editor_el_reference[] =
6477 {
6478   EL_TRIGGER_PLAYER,
6479   EL_TRIGGER_ELEMENT,
6480   EL_TRIGGER_CE_VALUE,
6481   EL_TRIGGER_CE_SCORE,
6482
6483   EL_SELF,
6484   EL_ANY_ELEMENT,
6485   EL_CURRENT_CE_VALUE,
6486   EL_CURRENT_CE_SCORE,
6487
6488   EL_PREV_CE_8,
6489   EL_PREV_CE_7,
6490   EL_PREV_CE_6,
6491   EL_PREV_CE_5,
6492
6493   EL_PREV_CE_4,
6494   EL_PREV_CE_3,
6495   EL_PREV_CE_2,
6496   EL_PREV_CE_1,
6497
6498   EL_NEXT_CE_1,
6499   EL_NEXT_CE_2,
6500   EL_NEXT_CE_3,
6501   EL_NEXT_CE_4,
6502
6503   EL_NEXT_CE_5,
6504   EL_NEXT_CE_6,
6505   EL_NEXT_CE_7,
6506   EL_NEXT_CE_8,
6507 };
6508 static int *editor_hl_reference_ptr = editor_hl_reference;
6509 static int *editor_el_reference_ptr = editor_el_reference;
6510 static int num_editor_hl_reference = ARRAY_SIZE(editor_hl_reference);
6511 static int num_editor_el_reference = ARRAY_SIZE(editor_el_reference);
6512
6513 static int editor_hl_user_defined[] =
6514 {
6515   EL_INTERNAL_CASCADE_USER_ACTIVE,
6516   EL_CHAR('M'),
6517   EL_CHAR('Y'),
6518   EL_EMPTY,
6519 };
6520
6521 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
6522 static int *editor_el_user_defined_ptr = NULL;
6523 static int num_editor_hl_user_defined = ARRAY_SIZE(editor_hl_user_defined);
6524 static int num_editor_el_user_defined = 0;
6525
6526 static int editor_hl_dynamic[] =
6527 {
6528   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
6529   EL_CHAR('U'),
6530   EL_CHAR('S'),
6531   EL_CHAR('E'),
6532 };
6533
6534 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
6535 static int *editor_el_dynamic_ptr = NULL;
6536 static int num_editor_hl_dynamic = ARRAY_SIZE(editor_hl_dynamic);
6537 static int num_editor_el_dynamic = 0;
6538
6539 static int editor_hl_empty[] = { EL_EMPTY };
6540 static int *editor_el_empty = NULL;     // dynamically allocated
6541
6542 static int *editor_hl_empty_ptr = editor_hl_empty;
6543 static int *editor_el_empty_ptr = NULL;
6544 static int num_editor_hl_empty = 0;
6545 static int num_editor_el_empty = 0;     // dynamically determined, if needed
6546
6547 static boolean use_el_empty = FALSE;
6548
6549 static int *editor_elements = NULL;     // dynamically allocated
6550 static int num_editor_elements = 0;     // dynamically determined
6551
6552 static boolean setup_editor_cascade_never = FALSE;
6553
6554 static boolean setup_editor_el_players                  = TRUE;
6555 static boolean setup_editor_el_boulderdash              = TRUE;
6556 static boolean setup_editor_el_boulderdash_native       = TRUE;
6557 static boolean setup_editor_el_boulderdash_effects      = TRUE;
6558 static boolean setup_editor_el_emerald_mine             = TRUE;
6559 static boolean setup_editor_el_emerald_mine_club        = TRUE;
6560 static boolean setup_editor_el_more                     = TRUE;
6561 static boolean setup_editor_el_sokoban                  = TRUE;
6562 static boolean setup_editor_el_supaplex                 = TRUE;
6563 static boolean setup_editor_el_diamond_caves            = TRUE;
6564 static boolean setup_editor_el_dx_boulderdash           = TRUE;
6565 static boolean setup_editor_el_mirror_magic             = TRUE;
6566 static boolean setup_editor_el_deflektor                = TRUE;
6567 static boolean setup_editor_el_chars                    = TRUE;
6568 static boolean setup_editor_el_steel_chars              = TRUE;
6569 static boolean setup_editor_el_custom                   = TRUE;
6570 static boolean setup_editor_el_user_defined             = TRUE;
6571 static boolean setup_editor_el_dynamic                  = TRUE;
6572
6573 static int editor_hl_unused[] = { EL_EMPTY };
6574 static int *editor_hl_unused_ptr = editor_hl_unused;
6575 static int num_editor_hl_unused = 0;
6576
6577 static struct
6578 {
6579   boolean *setup_value;
6580   boolean *setup_cascade_value;
6581
6582   int **headline_list;
6583   int *headline_list_size;
6584
6585   int **element_list;
6586   int *element_list_size;
6587
6588   boolean last_setup_value;
6589 }
6590 editor_elements_info[] =
6591 {
6592   {
6593     &setup_editor_el_players,
6594     &setup_editor_cascade_never,
6595     &editor_hl_unused_ptr,              &num_editor_hl_unused,
6596     &editor_el_players_ptr,             &num_editor_el_players
6597   },
6598   {
6599     &setup_editor_el_boulderdash,
6600     &setup.editor_cascade.el_bd,
6601     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
6602     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
6603   },
6604   {
6605     &setup_editor_el_boulderdash_native,
6606     &setup.editor_cascade.el_bd_native,
6607     &editor_hl_boulderdash_native_ptr,  &num_editor_hl_boulderdash_native,
6608     &editor_el_boulderdash_native_ptr,  &num_editor_el_boulderdash_native
6609   },
6610   {
6611     &setup_editor_el_boulderdash_effects,
6612     &setup.editor_cascade.el_bd_effects,
6613     &editor_hl_boulderdash_effects_ptr, &num_editor_hl_boulderdash_effects,
6614     &editor_el_boulderdash_effects_ptr, &num_editor_el_boulderdash_effects
6615   },
6616   {
6617     &setup_editor_el_emerald_mine,
6618     &setup.editor_cascade.el_em,
6619     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
6620     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
6621   },
6622   {
6623     &setup_editor_el_emerald_mine_club,
6624     &setup.editor_cascade.el_emc,
6625     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
6626     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
6627   },
6628   {
6629     &setup_editor_el_more,
6630     &setup.editor_cascade.el_rnd,
6631     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
6632     &editor_el_rnd_ptr,                 &num_editor_el_rnd
6633   },
6634   {
6635     &setup_editor_el_sokoban,
6636     &setup.editor_cascade.el_sb,
6637     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
6638     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
6639   },
6640   {
6641     &setup_editor_el_supaplex,
6642     &setup.editor_cascade.el_sp,
6643     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
6644     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
6645   },
6646   {
6647     &setup_editor_el_diamond_caves,
6648     &setup.editor_cascade.el_dc,
6649     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
6650     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
6651   },
6652   {
6653     &setup_editor_el_dx_boulderdash,
6654     &setup.editor_cascade.el_dx,
6655     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
6656     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
6657   },
6658   {
6659     &setup_editor_el_mirror_magic,
6660     &setup.editor_cascade.el_mm,
6661     &editor_hl_mirror_magic_ptr,        &num_editor_hl_mirror_magic,
6662     &editor_el_mirror_magic_ptr,        &num_editor_el_mirror_magic
6663   },
6664   {
6665     &setup_editor_el_deflektor,
6666     &setup.editor_cascade.el_df,
6667     &editor_hl_deflektor_ptr,           &num_editor_hl_deflektor,
6668     &editor_el_deflektor_ptr,           &num_editor_el_deflektor
6669   },
6670   {
6671     &setup_editor_el_chars,
6672     &setup.editor_cascade.el_chars,
6673     &editor_hl_chars_ptr,               &num_editor_hl_chars,
6674     &editor_el_chars_ptr,               &num_editor_el_chars
6675   },
6676   {
6677     &setup_editor_el_steel_chars,
6678     &setup.editor_cascade.el_steel_chars,
6679     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
6680     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
6681   },
6682   {
6683     &setup_editor_el_custom,
6684     &setup.editor_cascade.el_ce,
6685     &editor_hl_custom_ptr,              &num_editor_hl_custom,
6686     &editor_el_custom_ptr,              &num_editor_el_custom
6687   },
6688   {
6689     &setup_editor_el_custom,
6690     &setup.editor_cascade.el_ge,
6691     &editor_hl_group_ptr,               &num_editor_hl_group,
6692     &editor_el_group_ptr,               &num_editor_el_group
6693   },
6694   {
6695     &setup_editor_el_custom,
6696     &setup.editor_cascade.el_es,
6697     &editor_hl_empty_space_ptr,         &num_editor_hl_empty_space,
6698     &editor_el_empty_space_ptr,         &num_editor_el_empty_space
6699   },
6700   {
6701     &setup_editor_el_custom,
6702     &setup.editor_cascade.el_ref,
6703     &editor_hl_reference_ptr,           &num_editor_hl_reference,
6704     &editor_el_reference_ptr,           &num_editor_el_reference
6705   },
6706   {
6707     &setup_editor_el_user_defined,
6708     &setup.editor_cascade.el_user,
6709     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
6710     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
6711   },
6712   {
6713     &setup_editor_el_dynamic,
6714     &setup.editor_cascade.el_dynamic,
6715     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
6716     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
6717   },
6718   {
6719     &use_el_empty,
6720     &use_el_empty,
6721     &editor_hl_empty_ptr,               &num_editor_hl_empty,
6722     &editor_el_empty_ptr,               &num_editor_el_empty,
6723   },
6724   {
6725     NULL,
6726     NULL,
6727     NULL,                               NULL,
6728     NULL,                               NULL
6729   }
6730 };
6731
6732 static struct XY xy_directions[] =
6733 {
6734   { -1,  0 },
6735   { +1,  0 },
6736   {  0, -1 },
6737   {  0, +1 }
6738 };
6739
6740
6741 // ----------------------------------------------------------------------------
6742 // functions
6743 // ----------------------------------------------------------------------------
6744
6745 static int getMaxInfoTextLength(void)
6746 {
6747   return (SXSIZE / getFontWidth(INFOTEXT_FONT));
6748 }
6749
6750 static int getTextWidthForGadget(char *text)
6751 {
6752   if (text == NULL)
6753     return 0;
6754
6755   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
6756 }
6757
6758 static int getTextWidthForDrawingArea(char *text)
6759 {
6760   if (text == NULL)
6761     return 0;
6762
6763   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_BORDER_SIZE);
6764 }
6765
6766 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
6767 {
6768   return (gi->x + gi->width + getTextWidthForGadget(text));
6769 }
6770
6771 static char *getElementInfoText(int element)
6772 {
6773   char *info_text = NULL;
6774
6775   if (element < MAX_NUM_ELEMENTS)
6776   {
6777     if (strlen(element_info[element].description) > 0)
6778       info_text = element_info[element].description;
6779     else if (element_info[element].custom_description != NULL)
6780       info_text = element_info[element].custom_description;
6781     else if (element_info[element].editor_description != NULL)
6782       info_text = element_info[element].editor_description;
6783   }
6784
6785   if (info_text == NULL)
6786     info_text = INFOTEXT_UNKNOWN_ELEMENT;
6787
6788   return info_text;
6789 }
6790
6791 static char *getElementDescriptionFilenameExt(char *basename)
6792 {
6793   char *elements_subdir = ELEMENTS_DIRECTORY;
6794   static char *elements_subdir2 = NULL;
6795   static char *filename = NULL;
6796
6797   if (elements_subdir2 == NULL)
6798     elements_subdir2 = getPath2(DOCS_DIRECTORY, elements_subdir);
6799
6800   checked_free(filename);
6801
6802   // 1st try: look for element description in current level set directory
6803   filename = getPath3(getCurrentLevelDir(), elements_subdir2, basename);
6804   if (fileExists(filename))
6805     return filename;
6806
6807   free(filename);
6808
6809   // 2nd try: look for element description in the game's base directory
6810   filename = getPath3(options.docs_directory, elements_subdir, basename);
6811   if (fileExists(filename))
6812     return filename;
6813
6814   return NULL;
6815 }
6816
6817 static char *getElementDescriptionFilename(int element)
6818 {
6819   char basename[MAX_FILENAME_LEN];
6820   char *filename;
6821
6822   // 1st try: look for element description file for exactly this element
6823   sprintf(basename, "%s.txt", element_info[element].token_name);
6824   filename = getElementDescriptionFilenameExt(basename);
6825   if (filename != NULL)
6826     return filename;
6827
6828   // 2nd try: look for element description file for this element's class
6829   sprintf(basename, "%s.txt", element_info[element].class_name);
6830   filename = getElementDescriptionFilenameExt(basename);
6831   if (filename != NULL)
6832     return filename;
6833
6834   // 3rd try: look for generic fallback text file for any element
6835   filename = getElementDescriptionFilenameExt(FALLBACK_TEXT_FILENAME);
6836   if (filename != NULL)
6837     return filename;
6838
6839   return NULL;
6840 }
6841
6842 static boolean suppressBorderElement(void)
6843 {
6844   return (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
6845           lev_fieldx <= MAX_ED_FIELDX &&
6846           lev_fieldy <= MAX_ED_FIELDY);
6847 }
6848
6849 static void InitDynamicEditorElementList(int **elements, int *num_elements)
6850 {
6851   boolean element_found[NUM_FILE_ELEMENTS];
6852   int i, x, y;
6853
6854   // initialize list of used elements to "not used"
6855   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6856     element_found[i] = FALSE;
6857
6858   // find all elements used in current level
6859   for (y = 0; y < lev_fieldy; y++)
6860   {
6861     for (x = 0; x < lev_fieldx; x++)
6862     {
6863       if (Tile[x][y] >= NUM_FILE_ELEMENTS)      // should never happen
6864         continue;
6865
6866       if (IS_MM_WALL(Tile[x][y]))
6867         element_found[map_mm_wall_element(Tile[x][y])] = TRUE;
6868       else
6869         element_found[Tile[x][y]] = TRUE;
6870     }
6871   }
6872
6873   *num_elements = 0;
6874
6875   // count number of elements used in current level
6876   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6877     if (element_found[i])
6878       (*num_elements)++;
6879
6880   // add space for up to 3 more elements for padding that may be needed
6881   *num_elements += 3;
6882
6883   // free memory for old list of elements, if needed
6884   checked_free(*elements);
6885
6886   // allocate memory for new list of elements
6887   *elements = checked_malloc(*num_elements * sizeof(int));
6888
6889   *num_elements = 0;
6890
6891   // add all elements used in current level (non-custom/group/empty elements)
6892   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6893     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) ||
6894                               IS_GROUP_ELEMENT(i) ||
6895                               IS_EMPTY_ELEMENT(i)))
6896       (*elements)[(*num_elements)++] = i;
6897
6898   // add all elements used in current level (custom/group/empty elements)
6899   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6900     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) ||
6901                              IS_GROUP_ELEMENT(i) ||
6902                              IS_EMPTY_ELEMENT(i)))
6903       (*elements)[(*num_elements)++] = i;
6904
6905   while (*num_elements % 4)     // pad with empty elements, if needed
6906     (*elements)[(*num_elements)++] = EL_EMPTY;
6907 }
6908
6909 static void ReinitializeElementList_EnableSections(void)
6910 {
6911   // default: enable all element sections
6912
6913   setup_editor_el_players               = TRUE;
6914   setup_editor_el_boulderdash           = TRUE;
6915   setup_editor_el_boulderdash_native    = TRUE;
6916   setup_editor_el_boulderdash_effects   = TRUE;
6917   setup_editor_el_emerald_mine          = TRUE;
6918   setup_editor_el_emerald_mine_club     = TRUE;
6919   setup_editor_el_more                  = TRUE;
6920   setup_editor_el_sokoban               = TRUE;
6921   setup_editor_el_supaplex              = TRUE;
6922   setup_editor_el_diamond_caves         = TRUE;
6923   setup_editor_el_dx_boulderdash        = TRUE;
6924   setup_editor_el_mirror_magic          = TRUE;
6925   setup_editor_el_deflektor             = TRUE;
6926   setup_editor_el_chars                 = TRUE;
6927   setup_editor_el_steel_chars           = TRUE;
6928
6929   setup_editor_el_custom                = TRUE;
6930   setup_editor_el_user_defined          = TRUE;
6931   setup_editor_el_dynamic               = TRUE;
6932
6933   // now disable all element sections not to be displayed
6934
6935   if (!setup.editor.el_classic)
6936   {
6937     setup_editor_el_players             = FALSE;
6938     setup_editor_el_boulderdash         = FALSE;
6939     setup_editor_el_boulderdash_native  = FALSE;
6940     setup_editor_el_boulderdash_effects = FALSE;
6941     setup_editor_el_emerald_mine        = FALSE;
6942     setup_editor_el_emerald_mine_club   = FALSE;
6943     setup_editor_el_more                = FALSE;
6944     setup_editor_el_sokoban             = FALSE;
6945     setup_editor_el_supaplex            = FALSE;
6946     setup_editor_el_diamond_caves       = FALSE;
6947     setup_editor_el_dx_boulderdash      = FALSE;
6948     setup_editor_el_mirror_magic        = FALSE;
6949     setup_editor_el_deflektor           = FALSE;
6950     setup_editor_el_chars               = FALSE;
6951     setup_editor_el_steel_chars         = FALSE;
6952   }
6953
6954   if (!setup.editor.el_custom)
6955   {
6956     setup_editor_el_custom              = FALSE;
6957   }
6958
6959   if (!setup.editor.el_user_defined)
6960   {
6961     setup_editor_el_user_defined        = FALSE;
6962   }
6963
6964   if (!setup.editor.el_dynamic)
6965   {
6966     setup_editor_el_dynamic             = FALSE;
6967   }
6968
6969   if (level.game_engine_type == GAME_ENGINE_TYPE_RND)
6970   {
6971     setup_editor_el_boulderdash_native  = FALSE;
6972     setup_editor_el_boulderdash_effects = FALSE;
6973     setup_editor_el_mirror_magic        = FALSE;
6974     setup_editor_el_deflektor           = FALSE;
6975   }
6976   else if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
6977   {
6978     setup_editor_el_players             = FALSE;
6979     setup_editor_el_boulderdash         = FALSE;
6980     setup_editor_el_emerald_mine        = FALSE;
6981     setup_editor_el_emerald_mine_club   = FALSE;
6982     setup_editor_el_more                = FALSE;
6983     setup_editor_el_sokoban             = FALSE;
6984     setup_editor_el_supaplex            = FALSE;
6985     setup_editor_el_diamond_caves       = FALSE;
6986     setup_editor_el_dx_boulderdash      = FALSE;
6987     setup_editor_el_mirror_magic        = FALSE;
6988     setup_editor_el_deflektor           = FALSE;
6989     setup_editor_el_chars               = FALSE;
6990     setup_editor_el_steel_chars         = FALSE;
6991
6992     setup_editor_el_custom              = FALSE;
6993   }
6994   else if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
6995   {
6996     setup_editor_el_boulderdash         = FALSE;
6997     setup_editor_el_boulderdash_native  = FALSE;
6998     setup_editor_el_boulderdash_effects = FALSE;
6999     setup_editor_el_more                = FALSE;
7000     setup_editor_el_sokoban             = FALSE;
7001     setup_editor_el_supaplex            = FALSE;
7002     setup_editor_el_diamond_caves       = FALSE;
7003     setup_editor_el_dx_boulderdash      = FALSE;
7004     setup_editor_el_mirror_magic        = FALSE;
7005     setup_editor_el_deflektor           = FALSE;
7006     setup_editor_el_steel_chars         = FALSE;
7007
7008     setup_editor_el_custom              = FALSE;
7009   }
7010   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
7011   {
7012     setup_editor_el_players             = FALSE;
7013     setup_editor_el_boulderdash         = FALSE;
7014     setup_editor_el_boulderdash_native  = FALSE;
7015     setup_editor_el_boulderdash_effects = FALSE;
7016     setup_editor_el_emerald_mine        = FALSE;
7017     setup_editor_el_emerald_mine_club   = FALSE;
7018     setup_editor_el_more                = FALSE;
7019     setup_editor_el_sokoban             = FALSE;
7020     setup_editor_el_diamond_caves       = FALSE;
7021     setup_editor_el_dx_boulderdash      = FALSE;
7022     setup_editor_el_mirror_magic        = FALSE;
7023     setup_editor_el_deflektor           = FALSE;
7024     setup_editor_el_chars               = FALSE;
7025     setup_editor_el_steel_chars         = FALSE;
7026
7027     setup_editor_el_custom              = FALSE;
7028   }
7029   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
7030   {
7031     setup_editor_el_players             = FALSE;
7032     setup_editor_el_boulderdash         = FALSE;
7033     setup_editor_el_boulderdash_native  = FALSE;
7034     setup_editor_el_boulderdash_effects = FALSE;
7035     setup_editor_el_emerald_mine        = FALSE;
7036     setup_editor_el_emerald_mine_club   = FALSE;
7037     setup_editor_el_more                = FALSE;
7038     setup_editor_el_sokoban             = FALSE;
7039     setup_editor_el_supaplex            = FALSE;
7040     setup_editor_el_diamond_caves       = FALSE;
7041     setup_editor_el_dx_boulderdash      = FALSE;
7042     setup_editor_el_steel_chars         = FALSE;
7043
7044     setup_editor_el_custom              = FALSE;
7045   }
7046 }
7047
7048 static void ReinitializeElementList(void)
7049 {
7050   static boolean initialization_needed = TRUE;
7051   int pos = 0;
7052   int i, j;
7053
7054   ReinitializeElementList_EnableSections();
7055
7056   if (initialization_needed)
7057   {
7058     LoadSetup_EditorCascade();          // load last editor cascade state
7059
7060     // initialize editor cascade element from saved cascade state
7061     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7062     {
7063       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
7064       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
7065
7066       if (IS_EDITOR_CASCADE(*cascade_element))
7067         *cascade_element =
7068           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
7069            EL_CASCADE_INACTIVE(*cascade_element));
7070     }
7071
7072     initialization_needed = FALSE;
7073   }
7074
7075   checked_free(editor_elements);
7076
7077   // reload optional user defined element list for each invocation of editor
7078   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
7079                                    &num_editor_el_user_defined);
7080
7081   // initialize dynamic level element list for each invocation of editor
7082   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
7083                                &num_editor_el_dynamic);
7084
7085   // initialize list of empty elements (used for padding, if needed)
7086   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7087     editor_el_empty[i] = EL_EMPTY;
7088
7089   // do some sanity checks for each element from element list
7090   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7091   {
7092     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
7093     {
7094       int element = (*editor_elements_info[i].element_list)[j];
7095
7096       if (element >= NUM_FILE_ELEMENTS)
7097         Warn("editor element %d is runtime element", element);
7098
7099       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
7100         Warn("no element description text for element %d", element);
7101     }
7102   }
7103
7104   num_editor_elements = 0;
7105   use_el_empty = FALSE;
7106
7107   // determine size of element list
7108   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7109   {
7110     if (*editor_elements_info[i].setup_value)
7111     {
7112       boolean found_inactive_cascade = FALSE;
7113
7114       if (setup.editor.el_headlines)
7115       {
7116         // required for correct padding of palette headline buttons
7117         if (*editor_elements_info[i].headline_list_size > 0)
7118           num_editor_elements += ED_ELEMENTLIST_COLS;
7119
7120         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
7121         {
7122           int element = (*editor_elements_info[i].headline_list)[j];
7123
7124           if (IS_EDITOR_CASCADE_INACTIVE(element))
7125             found_inactive_cascade = TRUE;
7126         }
7127       }
7128
7129       if (found_inactive_cascade)
7130         continue;
7131
7132       // required for correct padding of palette element buttons
7133       int element_list_size = *editor_elements_info[i].element_list_size;
7134       int element_rows =
7135         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
7136       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
7137
7138       num_editor_elements += element_buttons;
7139     }
7140   }
7141
7142   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
7143   {
7144     // offer at least as many elements as element buttons exist
7145     use_el_empty = TRUE;
7146     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
7147
7148     num_editor_elements += num_editor_el_empty;
7149   }
7150   else
7151   {
7152     num_editor_el_empty = 0;
7153   }
7154
7155   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
7156
7157   // fill element list
7158   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7159   {
7160     boolean found_inactive_cascade = FALSE;
7161
7162     if (*editor_elements_info[i].setup_value)
7163     {
7164       if (setup.editor.el_headlines)
7165       {
7166         // required for correct padding of palette headline buttons
7167         int headline_size = (*editor_elements_info[i].headline_list_size > 0 ?
7168                              ED_ELEMENTLIST_COLS : 0);
7169
7170         for (j = 0; j < headline_size; j++)
7171         {
7172           // use empty elements for padding of palette headline buttons
7173           int element = (j < *editor_elements_info[i].headline_list_size ?
7174                          (*editor_elements_info[i].headline_list)[j] :
7175                          editor_el_empty[0]);
7176
7177           editor_elements[pos++] = element;
7178
7179           if (IS_EDITOR_CASCADE_INACTIVE(element))
7180             found_inactive_cascade = TRUE;
7181         }
7182       }
7183
7184       if (found_inactive_cascade)
7185         continue;
7186
7187       // required for correct padding of palette element buttons
7188       int element_list_size = *editor_elements_info[i].element_list_size;
7189       int element_rows =
7190         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
7191       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
7192
7193       // copy all elements from element list
7194       for (j = 0; j < element_list_size; j++)
7195         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
7196
7197       // use empty elements for padding of palette element buttons
7198       for (j = 0; j < element_buttons - element_list_size; j++)
7199         editor_elements[pos++] = editor_el_empty[0];
7200     }
7201   }
7202
7203   // (this function is also called before editor gadgets are initialized!)
7204   AdjustElementListScrollbar();
7205 }
7206
7207 void PrintEditorElementList(void)
7208 {
7209   boolean *stop = &setup_editor_el_user_defined;
7210   int i, j;
7211
7212   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
7213   {
7214     int cascade_element = (*editor_elements_info[i].headline_list)[0];
7215
7216     if (IS_EDITOR_CASCADE(cascade_element))
7217     {
7218       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
7219       char *headline = element_info[cascade_element_show].editor_description;
7220
7221       PrintLineWithPrefix("# ", "-", 77);
7222       Print("# %s\n", headline);
7223       PrintLineWithPrefix("# ", "-", 77);
7224     }
7225
7226     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
7227     {
7228       int element = (*editor_elements_info[i].headline_list)[j];
7229
7230       if (IS_EDITOR_CASCADE(element))
7231         element = EL_CHAR_MINUS;
7232
7233       Print("# %s\n", element_info[element].token_name);
7234     }
7235
7236     if (j > 0)
7237       Print("#\n");
7238
7239     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
7240     {
7241       int element = (*editor_elements_info[i].element_list)[j];
7242
7243       Print("# %s\n", element_info[element].token_name);
7244     }
7245
7246     if (j > 0)
7247       Print("#\n");
7248   }
7249 }
7250
7251 static void ReinitializeElementListButtons(void)
7252 {
7253   static boolean last_setup_value_headlines = FALSE;
7254   static boolean initialization_needed = TRUE;
7255   int i;
7256
7257   if (!initialization_needed)   // check if editor element setup has changed
7258   {
7259     if (last_setup_value_headlines != setup.editor.el_headlines)
7260       initialization_needed = TRUE;
7261
7262     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7263       if (editor_elements_info[i].last_setup_value !=
7264           *editor_elements_info[i].setup_value)
7265         initialization_needed = TRUE;
7266   }
7267
7268   if (!initialization_needed)
7269     return;
7270
7271   FreeLevelEditorGadgets();
7272   CreateLevelEditorGadgets();
7273
7274   // store current setup values for next invocation of this function
7275   last_setup_value_headlines = setup.editor.el_headlines;
7276   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7277     editor_elements_info[i].last_setup_value =
7278       *editor_elements_info[i].setup_value;
7279
7280   initialization_needed = FALSE;
7281 }
7282
7283 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
7284                               boolean input)
7285 {
7286   int border_graphic =
7287     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
7288   struct GraphicInfo *g = &graphic_info[border_graphic];
7289   Bitmap *src_bitmap = g->bitmap;
7290   int src_x = g->src_x;
7291   int src_y = g->src_y;
7292   int border_size = g->border_size;
7293   int border_xpos = g->width  - border_size;
7294   int border_ypos = g->height - border_size;
7295   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
7296   int i;
7297
7298   BlitBitmap(src_bitmap, drawto, src_x, src_y,
7299              border_size, border_size,
7300              dest_x - border_size, dest_y - border_size);
7301   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y,
7302              border_size, border_size,
7303              dest_x + width, dest_y - border_size);
7304   BlitBitmap(src_bitmap, drawto, src_x, src_y + border_ypos,
7305              border_size, border_size,
7306              dest_x - border_size, dest_y + height);
7307   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_ypos,
7308              border_size, border_size,
7309              dest_x + width, dest_y + height);
7310
7311   for (i = 0; i < width / tilesize; i++)
7312   {
7313     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y,
7314                tilesize, border_size,
7315                dest_x + i * tilesize, dest_y - border_size);
7316     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y + border_ypos,
7317                tilesize, border_size,
7318                dest_x + i * tilesize, dest_y + height);
7319   }
7320
7321   for (i = 0; i < height / tilesize; i++)
7322   {
7323     BlitBitmap(src_bitmap, drawto, src_x, src_y + border_size,
7324                border_size, tilesize,
7325                dest_x - border_size, dest_y + i * tilesize);
7326     BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_size,
7327                border_size, tilesize,
7328                dest_x + width, dest_y + i * tilesize);
7329   }
7330
7331   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
7332 }
7333
7334 static void DrawEditorLevelBorderLine(int x, int y, int xsize, int ysize)
7335 {
7336   int xsize_tile = MAX(ed_tilesize, xsize);
7337   int ysize_tile = MAX(ed_tilesize, ysize);
7338   int xsize_full = xsize + 1;
7339   int ysize_full = ysize + 1;
7340   int xsize_thin = (xsize < ed_tilesize ? 1 : xsize);
7341   int ysize_thin = (ysize < ed_tilesize ? 1 : ysize);
7342   Pixel line_color = getTabulatorBarColor();
7343
7344   if (line_color == BLACK_PIXEL)                // black => transparent
7345     return;
7346
7347   FillRectangle(drawto, SX + x, SY + y, xsize_tile, ysize_tile, BLACK_PIXEL);
7348   FillRectangle(drawto, SX + x, SY + y, xsize_full, ysize_full, line_color);
7349   FillRectangle(drawto, SX + x, SY + y, xsize_thin, ysize_thin, BLACK_PIXEL);
7350 }
7351
7352 static void DrawEditorLevelBorderLinesIfNeeded(void)
7353 {
7354   int xsize = lev_fieldx * ed_tilesize;
7355   int ysize = lev_fieldy * ed_tilesize;
7356   int line_size = getTabulatorBarHeight();
7357
7358   if (!suppressBorderElement())
7359     return;
7360
7361   // draw little border line around editable level playfield
7362
7363   if (xsize < SXSIZE)
7364     DrawEditorLevelBorderLine(xsize, 0, line_size, ysize);
7365
7366   if (ysize < SYSIZE)
7367     DrawEditorLevelBorderLine(0, ysize, xsize, line_size);
7368
7369   if (xsize < SXSIZE && ysize < SYSIZE)
7370     DrawEditorLevelBorderLine(xsize, ysize, line_size, line_size);
7371 }
7372
7373 static void DrawEditorElement(int x, int y, int element)
7374 {
7375   DrawSizedElement(x, y, element, ed_tilesize);
7376 }
7377
7378 static void DrawEditorElementThruMask(int x, int y, int element)
7379 {
7380   DrawSizedElementThruMask(x, y, element, ed_tilesize);
7381 }
7382
7383 static void DrawEditorElementOrWall(int x, int y, int scroll_x, int scroll_y)
7384 {
7385   DrawSizedElementOrWall(x, y, scroll_x, scroll_y, ed_tilesize);
7386 }
7387
7388 static void DrawEditorLevel(int size_x, int size_y, int scroll_x, int scroll_y)
7389 {
7390   DrawSizedLevel(size_x, size_y, scroll_x, scroll_y, ed_tilesize);
7391   DrawEditorLevelBorderLinesIfNeeded();
7392 }
7393
7394 static void DrawDrawingArea(int id)
7395 {
7396   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7397   int x, y;
7398
7399   int *value = drawingarea_info[id].value;
7400   int area_xsize = drawingarea_info[id].area_xsize;
7401   int area_ysize = drawingarea_info[id].area_ysize;
7402   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
7403
7404   for (x = 0; x < area_xsize; x++)
7405   {
7406     for (y = 0; y < area_ysize; y++)
7407     {
7408       int element = value[x * area_ysize + y];
7409       int graphic;
7410       int frame;
7411
7412       getEditorGraphicAndFrame(element, &graphic, &frame, TRUE);
7413
7414       DrawSizedGraphicExt(drawto,
7415                           gi->x + x * tilesize,
7416                           gi->y + y * tilesize,
7417                           graphic, frame, tilesize);
7418     }
7419   }
7420 }
7421
7422 static void ScrollEditorLevel(int from_x, int from_y, int scroll)
7423 {
7424   int x, y;
7425   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
7426   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
7427
7428   BlitBitmap(drawto, drawto,
7429              SX + (dx == -1 ? ed_tilesize : 0),
7430              SY + (dy == -1 ? ed_tilesize : 0),
7431              (ed_fieldx * ed_tilesize) - (dx != 0 ? ed_tilesize : 0),
7432              (ed_fieldy * ed_tilesize) - (dy != 0 ? ed_tilesize : 0),
7433              SX + (dx == +1 ? ed_tilesize : 0),
7434              SY + (dy == +1 ? ed_tilesize : 0));
7435
7436   if (dx)
7437   {
7438     x = (dx == 1 ? 0 : ed_fieldx - 1);
7439     for (y = 0; y < ed_fieldy; y++)
7440       DrawEditorElementOrWall(x, y, from_x, from_y);
7441   }
7442   else if (dy)
7443   {
7444     y = (dy == 1 ? 0 : ed_fieldy - 1);
7445     for (x = 0; x < ed_fieldx; x++)
7446       DrawEditorElementOrWall(x, y, from_x, from_y);
7447   }
7448
7449   redraw_mask |= REDRAW_FIELD;
7450   BackToFront();
7451 }
7452
7453 static void getEditorGraphicAndFrame(int element, int *graphic, int *frame, boolean use_editor_gfx)
7454 {
7455   if (use_editor_gfx)
7456   {
7457     *graphic = el2edimg(element);
7458     *frame = 0;
7459   }
7460   else
7461   {
7462     *graphic = el2img(element);
7463     *frame = (ANIM_MODE(*graphic) == ANIM_CE_VALUE ?
7464               custom_element.ce_value_fixed_initial :
7465               ANIM_MODE(*graphic) == ANIM_CE_SCORE ?
7466               custom_element.collect_score_initial : FrameCounter);
7467   }
7468
7469   if (*graphic == IMG_UNKNOWN)
7470   {
7471     // no graphic defined -- if BD style, try to get runtime ("effect") element graphics
7472     // (normal BD style elements have graphics, but runtime ("effects") elements do not)
7473     int element_bd = map_element_RND_to_BD_cave(element);
7474
7475     if (element_bd != O_UNKNOWN)
7476     {
7477       struct GraphicInfo_BD *g_bd = &graphic_info_bd_object[element_bd][0];
7478
7479       *graphic = g_bd->graphic;
7480       *frame   = g_bd->frame;
7481     }
7482   }
7483 }
7484
7485 static void getEditorGraphicSource(int element, int tile_size, Bitmap **bitmap,
7486                                    int *x, int *y)
7487 {
7488   int graphic;
7489   int frame;
7490
7491   getEditorGraphicAndFrame(element, &graphic, &frame, TRUE);
7492
7493   getSizedGraphicSource(graphic, frame, tile_size, bitmap, x, y);
7494 }
7495
7496 static void CreateControlButtons(void)
7497 {
7498   struct GadgetInfo *gi;
7499   int i;
7500
7501   // create toolbox buttons
7502   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
7503   {
7504     int type_id = controlbutton_info[i].gadget_id;      // same as gadget ID here
7505     int id = controlbutton_info[i].gadget_id;
7506     int type = controlbutton_info[i].gadget_type;
7507     int graphic = controlbutton_info[i].graphic;
7508     struct XYTileSize *pos = controlbutton_info[i].pos;
7509     struct GraphicInfo *gd = &graphic_info[graphic];
7510     Bitmap *deco_bitmap = NULL;
7511     int deco_x = 0, deco_y = 0, deco_xpos = 0, deco_ypos = 0;
7512     int tile_size = 0, deco_shift = 0;
7513     boolean deco_masked = FALSE;
7514     int gd_x1 = gd->src_x;
7515     int gd_y1 = gd->src_y;
7516     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7517     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7518     int gd_x1a = gd->src_x + gd->active_xoffset;
7519     int gd_y1a = gd->src_y + gd->active_yoffset;
7520     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
7521     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
7522     int x = pos->x;
7523     int y = pos->y;
7524     unsigned int event_mask;
7525     int radio_button_nr = RADIO_NR_NONE;
7526     boolean checked = FALSE;
7527
7528     if (type_id != i)
7529       Fail("'controlbutton_info' structure corrupted at index %d -- please fix", i);
7530
7531     if (type == GD_TYPE_RADIO_BUTTON)
7532     {
7533       event_mask = GD_EVENT_PRESSED;
7534       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
7535
7536       if (id == drawing_function)
7537         checked = TRUE;
7538     }
7539     else
7540     {
7541       if (id == GADGET_ID_WRAP_LEFT ||
7542           id == GADGET_ID_WRAP_RIGHT ||
7543           id == GADGET_ID_WRAP_UP ||
7544           id == GADGET_ID_WRAP_DOWN)
7545         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
7546       else
7547         event_mask = GD_EVENT_RELEASED;
7548     }
7549
7550     if (id == GADGET_ID_PROPERTIES ||
7551         id == GADGET_ID_PALETTE)
7552     {
7553       x += DX;
7554       y += DY;
7555     }
7556     else if (id == GADGET_ID_ELEMENT_LEFT ||
7557              id == GADGET_ID_ELEMENT_MIDDLE ||
7558              id == GADGET_ID_ELEMENT_RIGHT)
7559     {
7560       x += DX;
7561       y += DY;
7562
7563       int element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
7564                      id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
7565                      id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 : EL_EMPTY);
7566
7567       tile_size = BUTTON_TILE_SIZE(id == GADGET_ID_ELEMENT_LEFT ?
7568                                    editor.button.element_left.tile_size :
7569                                    id == GADGET_ID_ELEMENT_MIDDLE ?
7570                                    editor.button.element_middle.tile_size :
7571                                    id == GADGET_ID_ELEMENT_RIGHT ?
7572                                    editor.button.element_right.tile_size : 0);
7573
7574       // make sure that decoration does not overlap gadget border
7575       tile_size = MIN(tile_size, MIN(gd->width, gd->height));
7576
7577       getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x,&deco_y);
7578
7579       deco_xpos = (gd->width  - tile_size) / 2;
7580       deco_ypos = (gd->height - tile_size) / 2;
7581       deco_shift = 1;
7582       deco_masked = gd->draw_masked;
7583     }
7584     else
7585     {
7586       x += EX;
7587       y += EY;
7588     }
7589
7590     gi = CreateGadget(GDI_CUSTOM_ID, id,
7591                       GDI_CUSTOM_TYPE_ID, type_id,
7592                       GDI_IMAGE_ID, graphic,
7593                       GDI_INFO_TEXT, controlbutton_info[i].infotext,
7594                       GDI_X, x,
7595                       GDI_Y, y,
7596                       GDI_WIDTH, gd->width,
7597                       GDI_HEIGHT, gd->height,
7598                       GDI_TYPE, type,
7599                       GDI_STATE, GD_BUTTON_UNPRESSED,
7600                       GDI_RADIO_NR, radio_button_nr,
7601                       GDI_CHECKED, checked,
7602                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7603                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7604                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7605                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
7606                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
7607                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
7608                       GDI_DECORATION_SIZE, tile_size, tile_size,
7609                       GDI_DECORATION_SHIFTING, deco_shift, deco_shift,
7610                       GDI_DECORATION_MASKED, deco_masked,
7611                       GDI_EVENT_MASK, event_mask,
7612                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7613                       GDI_CALLBACK_ACTION, HandleControlButtons,
7614                       GDI_END);
7615
7616     if (gi == NULL)
7617       Fail("cannot create gadget");
7618
7619     level_editor_gadget[id] = gi;
7620   }
7621
7622   // these values are not constant, but can change at runtime
7623   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
7624   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
7625   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
7626   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
7627   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
7628   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
7629   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
7630   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
7631   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].x    = ED_SCROLL2_UP_XPOS;
7632   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].y    = ED_SCROLL2_UP_YPOS;
7633   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].x  = ED_SCROLL2_DOWN_XPOS;
7634   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].y  = ED_SCROLL2_DOWN_YPOS;
7635
7636   // create buttons for scrolling of drawing area and element list
7637   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
7638   {
7639     int id = scrollbutton_info[i].gadget_id;
7640     int type_id = scrollbutton_info[i].gadget_type_id;
7641     int graphic = scrollbutton_info[i].graphic;
7642     struct GraphicInfo *gd = &graphic_info[graphic];
7643     Bitmap *gd_bitmap = gd->bitmap;
7644     int gd_x1 = gd->src_x;
7645     int gd_y1 = gd->src_y;
7646     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7647     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7648     int width  = gd->width;
7649     int height = gd->height;
7650     int x = scrollbutton_pos[i].x;
7651     int y = scrollbutton_pos[i].y;
7652     unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
7653
7654     if (type_id != i)
7655       Fail("'scrollbutton_info' structure corrupted at index %d -- please fix", i);
7656
7657     if (id == GADGET_ID_SCROLL_LIST_UP ||
7658         id == GADGET_ID_SCROLL_LIST_DOWN)
7659     {
7660       x += PX;
7661       y += PY;
7662     }
7663     else
7664     {
7665       x += SX;
7666       y += SY;
7667     }
7668
7669     gi = CreateGadget(GDI_CUSTOM_ID, id,
7670                       GDI_CUSTOM_TYPE_ID, type_id,
7671                       GDI_IMAGE_ID, graphic,
7672                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
7673                       GDI_X, x,
7674                       GDI_Y, y,
7675                       GDI_WIDTH, width,
7676                       GDI_HEIGHT, height,
7677                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7678                       GDI_STATE, GD_BUTTON_UNPRESSED,
7679                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
7680                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
7681                       GDI_EVENT_MASK, event_mask,
7682                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7683                       GDI_CALLBACK_ACTION, HandleControlButtons,
7684                       GDI_END);
7685
7686     if (gi == NULL)
7687       Fail("cannot create gadget");
7688
7689     level_editor_gadget[id] = gi;
7690   }
7691
7692   // create buttons for element list
7693   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7694   {
7695     int type_id = i;
7696     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
7697     int graphic = IMG_EDITOR_PALETTE_BUTTON;
7698     struct GraphicInfo *gd = &graphic_info[graphic];
7699     Bitmap *gd_bitmap = gd->bitmap;
7700     Bitmap *deco_bitmap;
7701     int deco_x, deco_y, deco_xpos, deco_ypos;
7702     int gd_x1 = gd->src_x;
7703     int gd_y1 = gd->src_y;
7704     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7705     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7706     int xx = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
7707     int yy = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
7708     int x = PX + ED_ELEMENTLIST_XPOS + xx * gd->width;
7709     int y = PY + ED_ELEMENTLIST_YPOS + yy * gd->height;
7710     int element = editor_elements[i];
7711     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
7712     unsigned int event_mask = GD_EVENT_RELEASED;
7713
7714     getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
7715
7716     deco_xpos = (gd->width  - tile_size) / 2;
7717     deco_ypos = (gd->height - tile_size) / 2;
7718
7719     gi = CreateGadget(GDI_CUSTOM_ID, id,
7720                       GDI_CUSTOM_TYPE_ID, type_id,
7721                       GDI_IMAGE_ID, graphic,
7722                       GDI_INFO_TEXT, getElementInfoText(element),
7723                       GDI_X, x,
7724                       GDI_Y, y,
7725                       GDI_WIDTH, gd->width,
7726                       GDI_HEIGHT, gd->height,
7727                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7728                       GDI_STATE, GD_BUTTON_UNPRESSED,
7729                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
7730                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
7731                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
7732                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
7733                       GDI_DECORATION_SIZE, tile_size, tile_size,
7734                       GDI_DECORATION_SHIFTING, 1, 1,
7735                       GDI_EVENT_MASK, event_mask,
7736                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7737                       GDI_CALLBACK_ACTION, HandleControlButtons,
7738                       GDI_END);
7739
7740     if (gi == NULL)
7741       Fail("cannot create gadget");
7742
7743     level_editor_gadget[id] = gi;
7744   }
7745 }
7746
7747 static void CreateCounterButtons(void)
7748 {
7749   int max_infotext_len = getMaxInfoTextLength();
7750   int i;
7751
7752   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
7753   {
7754     int type_id = counterbutton_info[i].gadget_type_id;
7755     int x = SX + ED_SETTINGS_X(counterbutton_info[i].x); // down count button
7756     int y = SY + ED_SETTINGS_Y(counterbutton_info[i].y);
7757     int j;
7758
7759     if (type_id != i)
7760       Fail("'counterbutton_info' structure corrupted at index %d -- please fix", i);
7761
7762     // determine horizontal position to the right of specified gadget
7763     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
7764       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
7765            ED_GADGET_TEXT_DISTANCE);
7766
7767     // determine horizontal offset for leading text
7768     if (counterbutton_info[i].text_left != NULL)
7769       x += getTextWidthForGadget(counterbutton_info[i].text_left);
7770
7771     for (j = 0; j < 2; j++)
7772     {
7773       struct GadgetInfo *gi;
7774       int id = (j == 0 ?
7775                 counterbutton_info[i].gadget_id_down :
7776                 counterbutton_info[i].gadget_id_up);
7777       int graphic;
7778       struct GraphicInfo *gd;
7779       int gd_x1, gd_x2, gd_y1, gd_y2;
7780       unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
7781       char infotext[max_infotext_len + 1];
7782
7783       if (i == ED_COUNTER_ID_SELECT_LEVEL)
7784       {
7785         graphic = (j == 0 ?
7786                    IMG_GFX_EDITOR_BUTTON_PREV_LEVEL :
7787                    IMG_GFX_EDITOR_BUTTON_NEXT_LEVEL);
7788
7789         event_mask |= GD_EVENT_RELEASED;
7790
7791         if (j == 0)
7792         {
7793           x = DX + editor.button.prev_level.x;
7794           y = DY + editor.button.prev_level.y;
7795         }
7796         else
7797         {
7798           x = DX + editor.button.next_level.x;
7799           y = DY + editor.button.next_level.y;
7800         }
7801       }
7802       else
7803       {
7804         graphic = (j == 0 ?
7805                    IMG_EDITOR_COUNTER_DOWN :
7806                    IMG_EDITOR_COUNTER_UP);
7807       }
7808
7809       gd = &graphic_info[graphic];
7810
7811       gd_x1 = gd->src_x;
7812       gd_y1 = gd->src_y;
7813       gd_x2 = gd->src_x + gd->pressed_xoffset;
7814       gd_y2 = gd->src_y + gd->pressed_yoffset;
7815
7816       sprintf(infotext, "%s counter value by 1, 5 or 10",
7817               (j == 0 ? "Decrease" : "Increase"));
7818
7819       gi = CreateGadget(GDI_CUSTOM_ID, id,
7820                         GDI_CUSTOM_TYPE_ID, type_id,
7821                         GDI_IMAGE_ID, graphic,
7822                         GDI_INFO_TEXT, infotext,
7823                         GDI_X, x,
7824                         GDI_Y, y,
7825                         GDI_WIDTH, gd->width,
7826                         GDI_HEIGHT, gd->height,
7827                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7828                         GDI_STATE, GD_BUTTON_UNPRESSED,
7829                         GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7830                         GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7831                         GDI_EVENT_MASK, event_mask,
7832                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7833                         GDI_CALLBACK_ACTION, HandleCounterButtons,
7834                         GDI_END);
7835
7836       if (gi == NULL)
7837         Fail("cannot create gadget");
7838
7839       level_editor_gadget[id] = gi;
7840       right_gadget_border[id] =
7841         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
7842
7843       x += gi->width + ED_GADGET_SMALL_DISTANCE;        // text count button
7844
7845       if (j == 0)
7846       {
7847         int font_type = FONT_INPUT_1;
7848         int font_type_active = FONT_INPUT_1_ACTIVE;
7849
7850         id = counterbutton_info[i].gadget_id_text;
7851
7852         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
7853
7854         if (i == ED_COUNTER_ID_SELECT_LEVEL)
7855         {
7856           graphic = IMG_GFX_EDITOR_INPUT_LEVEL_NUMBER;
7857
7858           font_type = FONT_LEVEL_NUMBER;
7859           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
7860
7861           x = DX + editor.input.level_number.x;
7862           y = DY + editor.input.level_number.y;
7863         }
7864         else
7865         {
7866           graphic = IMG_EDITOR_COUNTER_INPUT;
7867         }
7868
7869         gd = &graphic_info[graphic];
7870
7871         gd_x1 = gd->src_x;
7872         gd_y1 = gd->src_y;
7873         gd_x2 = gd->src_x + gd->active_xoffset;
7874         gd_y2 = gd->src_y + gd->active_yoffset;
7875
7876         gi = CreateGadget(GDI_CUSTOM_ID, id,
7877                           GDI_CUSTOM_TYPE_ID, type_id,
7878                           GDI_IMAGE_ID, graphic,
7879                           GDI_INFO_TEXT, "Enter counter value",
7880                           GDI_X, x,
7881                           GDI_Y, y,
7882                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
7883                           GDI_NUMBER_VALUE, 0,
7884                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
7885                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
7886                           GDI_TEXT_SIZE, 3,     // minimal counter text size
7887                           GDI_TEXT_FONT, font_type,
7888                           GDI_TEXT_FONT_ACTIVE, font_type_active,
7889                           GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7890                           GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7891                           GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7892                           GDI_DESIGN_WIDTH, gd->width,
7893                           GDI_EVENT_MASK, event_mask,
7894                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7895                           GDI_CALLBACK_ACTION, HandleCounterButtons,
7896                           GDI_END);
7897
7898         if (gi == NULL)
7899           Fail("cannot create gadget");
7900
7901         level_editor_gadget[id] = gi;
7902         right_gadget_border[id] =
7903           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
7904
7905         x += gi->width + ED_GADGET_SMALL_DISTANCE;      // up count button
7906       }
7907     }
7908   }
7909 }
7910
7911 static void CreateDrawingAreas(void)
7912 {
7913   int i;
7914
7915   // these values are not constant, but can change at runtime
7916   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
7917   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
7918
7919   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
7920   {
7921     struct GadgetInfo *gi;
7922     int id = drawingarea_info[i].gadget_id;
7923     int type_id = drawingarea_info[i].gadget_type_id;
7924     int x = SX + ED_AREA_SETTINGS_X(drawingarea_info[i]);
7925     int y = SY + ED_AREA_SETTINGS_Y(drawingarea_info[i]);
7926     int area_xsize = drawingarea_info[i].area_xsize;
7927     int area_ysize = drawingarea_info[i].area_ysize;
7928     int item_size = (id == GADGET_ID_DRAWING_LEVEL ?
7929                      ed_tilesize : ED_DRAWINGAREA_TILE_SIZE);
7930     unsigned int event_mask =
7931       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
7932       GD_EVENT_OFF_BORDERS | GD_EVENT_PIXEL_PRECISE;
7933
7934     if (type_id != i)
7935       Fail("'drawingarea_info' structure corrupted at index %d -- please fix", i);
7936
7937     // determine horizontal position to the right of specified gadget
7938     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
7939       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
7940            ED_DRAWINGAREA_TEXT_DISTANCE);
7941
7942     // determine horizontal offset for leading text
7943     if (drawingarea_info[i].text_left != NULL)
7944       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
7945
7946     gi = CreateGadget(GDI_CUSTOM_ID, id,
7947                       GDI_CUSTOM_TYPE_ID, type_id,
7948                       GDI_X, x,
7949                       GDI_Y, y,
7950                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
7951                       GDI_AREA_SIZE, area_xsize, area_ysize,
7952                       GDI_ITEM_SIZE, item_size, item_size,
7953                       GDI_EVENT_MASK, event_mask,
7954                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
7955                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
7956                       GDI_END);
7957
7958     if (gi == NULL)
7959       Fail("cannot create gadget");
7960
7961     level_editor_gadget[id] = gi;
7962     right_gadget_border[id] =
7963       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
7964   }
7965 }
7966
7967 static void CreateTextInputGadgets(void)
7968 {
7969   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
7970   int max_infotext_len = getMaxInfoTextLength();
7971   int i;
7972
7973   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
7974   {
7975     int gd_x1 = gd->src_x;
7976     int gd_y1 = gd->src_y;
7977     int gd_x2 = gd->src_x + gd->active_xoffset;
7978     int gd_y2 = gd->src_y + gd->active_yoffset;
7979     struct GadgetInfo *gi;
7980     unsigned int event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
7981     char infotext[MAX_OUTPUT_LINESIZE + 1];
7982     int id = textinput_info[i].gadget_id;
7983     int type_id = textinput_info[i].gadget_type_id;
7984     int x, y;
7985
7986     if (type_id != i)
7987       Fail("'textinput_info' structure corrupted at index %d -- please fix", i);
7988
7989     if (i == ED_TEXTINPUT_ID_ELEMENT_NAME)
7990     {
7991       int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
7992       int border_size = gd->border_size;
7993       int font_nr = FONT_INPUT_1;
7994       int font_height = getFontHeight(font_nr);
7995       int xoffset = element_border + TILEX + element_border + 3 * border_size;
7996       int yoffset = element_border + (TILEY - font_height) / 2;
7997
7998       x = (editor.settings.element_name.x != -1 ?
7999            editor.settings.element_name.x :
8000            editor.settings.element_graphic.x + xoffset) - border_size;
8001       y = (editor.settings.element_name.y != -1 ?
8002            editor.settings.element_name.y :
8003            editor.settings.element_graphic.y + yoffset) - border_size;
8004     }
8005     else
8006     {
8007       x = ED_SETTINGS_X(textinput_info[i].x);
8008       y = ED_SETTINGS_Y(textinput_info[i].y);
8009     }
8010
8011     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
8012     infotext[max_infotext_len] = '\0';
8013
8014     gi = CreateGadget(GDI_CUSTOM_ID, id,
8015                       GDI_CUSTOM_TYPE_ID, type_id,
8016                       GDI_INFO_TEXT, infotext,
8017                       GDI_X, SX + x,
8018                       GDI_Y, SY + y,
8019                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
8020                       GDI_TEXT_VALUE, textinput_info[i].value,
8021                       GDI_TEXT_SIZE, textinput_info[i].size,
8022                       GDI_TEXT_FONT, FONT_INPUT_1,
8023                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
8024                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8025                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8026                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8027                       GDI_DESIGN_WIDTH, gd->width,
8028                       GDI_EVENT_MASK, event_mask,
8029                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8030                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
8031                       GDI_END);
8032
8033     if (gi == NULL)
8034       Fail("cannot create gadget");
8035
8036     level_editor_gadget[id] = gi;
8037   }
8038 }
8039
8040 static void CreateTextAreaGadgets(void)
8041 {
8042   int max_infotext_len = getMaxInfoTextLength();
8043   int i;
8044
8045   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
8046   {
8047     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXTAREA];
8048     int gd_x1 = gd->src_x;
8049     int gd_y1 = gd->src_y;
8050     int gd_x2 = gd->src_x + gd->active_xoffset;
8051     int gd_y2 = gd->src_y + gd->active_yoffset;
8052     struct GadgetInfo *gi;
8053     unsigned int event_mask = GD_EVENT_TEXT_LEAVING;
8054     char infotext[MAX_OUTPUT_LINESIZE + 1];
8055     int id = textarea_info[i].gadget_id;
8056     int type_id = textarea_info[i].gadget_type_id;
8057     int area_xsize = textarea_info[i].xsize;
8058     int area_ysize = textarea_info[i].ysize;
8059
8060     if (type_id != i)
8061       Fail("'textarea_info' structure corrupted at index %d -- please fix", i);
8062
8063     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
8064     infotext[max_infotext_len] = '\0';
8065
8066     gi = CreateGadget(GDI_CUSTOM_ID, id,
8067                       GDI_CUSTOM_TYPE_ID, type_id,
8068                       GDI_INFO_TEXT, infotext,
8069                       GDI_X, SX + ED_SETTINGS_X(textarea_info[i].x),
8070                       GDI_Y, SY + ED_SETTINGS_Y(textarea_info[i].y),
8071                       GDI_TYPE, GD_TYPE_TEXT_AREA,
8072                       GDI_AREA_SIZE, area_xsize, area_ysize,
8073                       GDI_TEXT_FONT, FONT_INPUT_1,
8074                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
8075                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8076                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8077                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8078                       GDI_DESIGN_WIDTH, gd->width,
8079                       GDI_EVENT_MASK, event_mask,
8080                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8081                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
8082                       GDI_END);
8083
8084     if (gi == NULL)
8085       Fail("cannot create gadget");
8086
8087     level_editor_gadget[id] = gi;
8088   }
8089 }
8090
8091 static void CreateSelectboxGadgets(void)
8092 {
8093   int max_infotext_len = getMaxInfoTextLength();
8094
8095   int i, j;
8096
8097   for (i = 0; i < ED_NUM_SELECTBOX; i++)
8098   {
8099     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_SELECTBOX_INPUT];
8100     struct GraphicInfo *gd2 = &graphic_info[IMG_EDITOR_SELECTBOX_BUTTON];
8101     int gd_x1 = gd->src_x;
8102     int gd_y1 = gd->src_y;
8103     int gd_x2 = gd->src_x + gd->active_xoffset;
8104     int gd_y2 = gd->src_y + gd->active_yoffset;
8105     int selectbox_button_xsize = gd2->width;
8106     struct GadgetInfo *gi;
8107     char infotext[MAX_OUTPUT_LINESIZE + 1];
8108     int id = selectbox_info[i].gadget_id;
8109     int type_id = selectbox_info[i].gadget_type_id;
8110     int x = SX + ED_SETTINGS_X(selectbox_info[i].x);
8111     int y = SY + ED_SETTINGS_Y(selectbox_info[i].y);
8112     unsigned int event_mask =
8113       GD_EVENT_RELEASED | GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
8114
8115     if (type_id != i)
8116       Fail("'selectbox_info' structure corrupted at index %d -- please fix", i);
8117
8118     if (selectbox_info[i].size == -1)   // dynamically determine size
8119     {
8120       // (we cannot use -1 for uninitialized values if we directly compare
8121       // with results from strlen(), because the '<' and '>' operation will
8122       // implicitely cast -1 to an unsigned integer value!)
8123       selectbox_info[i].size = 0;
8124
8125       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
8126         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
8127           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
8128
8129       selectbox_info[i].size++;         // add one character empty space
8130     }
8131
8132     // determine horizontal position to the right of specified gadget
8133     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
8134       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
8135            ED_GADGET_TEXT_DISTANCE);
8136
8137     // determine horizontal offset for leading text
8138     if (selectbox_info[i].text_left != NULL)
8139       x += getTextWidthForGadget(selectbox_info[i].text_left);
8140
8141     sprintf(infotext, "%s", selectbox_info[i].infotext);
8142     infotext[max_infotext_len] = '\0';
8143
8144     gi = CreateGadget(GDI_CUSTOM_ID, id,
8145                       GDI_CUSTOM_TYPE_ID, type_id,
8146                       GDI_INFO_TEXT, infotext,
8147                       GDI_X, x,
8148                       GDI_Y, y,
8149                       GDI_TYPE, GD_TYPE_SELECTBOX,
8150                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
8151                       GDI_SELECTBOX_CHAR_UNSELECTABLE, '[',
8152                       GDI_TEXT_SIZE, selectbox_info[i].size,
8153                       GDI_TEXT_FONT, FONT_INPUT_1,
8154                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
8155                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
8156                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8157                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8158                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8159                       GDI_BORDER_SIZE_SELECTBUTTON, selectbox_button_xsize,
8160                       GDI_DESIGN_WIDTH, gd->width,
8161                       GDI_EVENT_MASK, event_mask,
8162                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8163                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
8164                       GDI_END);
8165
8166     if (gi == NULL)
8167       Fail("cannot create gadget");
8168
8169     level_editor_gadget[id] = gi;
8170     right_gadget_border[id] =
8171       getRightGadgetBorder(gi, selectbox_info[i].text_right);
8172   }
8173 }
8174
8175 static void CreateTextbuttonGadgets(void)
8176 {
8177   int max_infotext_len = getMaxInfoTextLength();
8178   int i;
8179
8180   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
8181   {
8182     int id = textbutton_info[i].gadget_id;
8183     int type_id = textbutton_info[i].gadget_type_id;
8184     int is_tab_button =
8185       ((id >= GADGET_ID_LEVELCONFIG_LEVEL && id <= GADGET_ID_LEVELCONFIG_ENGINE) ||
8186        (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE));
8187     int graphic =
8188       (is_tab_button ? IMG_EDITOR_TABBUTTON : IMG_EDITOR_TEXTBUTTON);
8189     int gadget_distance =
8190       (is_tab_button ? ED_GADGET_SMALL_DISTANCE : ED_GADGET_TEXT_DISTANCE);
8191     struct GraphicInfo *gd = &graphic_info[graphic];
8192     int gd_x1 = gd->src_x;
8193     int gd_y1 = gd->src_y;
8194     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8195     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8196     int gd_x1a = gd->src_x + gd->active_xoffset;
8197     int gd_y1a = gd->src_y + gd->active_yoffset;
8198     int border_xsize = gd->border_size + gd->draw_xoffset;
8199     int border_ysize = gd->border_size;
8200     struct GadgetInfo *gi;
8201     unsigned int event_mask = GD_EVENT_RELEASED;
8202     char infotext[MAX_OUTPUT_LINESIZE + 1];
8203     int x = SX + ED_SETTINGS_X(textbutton_info[i].x);
8204     int y = SY + ED_SETTINGS_Y(textbutton_info[i].y);
8205
8206     if (type_id != i)
8207       Fail("'textbutton_info' structure corrupted at index %d -- please fix", i);
8208
8209     if (textbutton_info[i].size == -1)  // dynamically determine size
8210       textbutton_info[i].size = strlen(textbutton_info[i].text);
8211
8212     sprintf(infotext, "%s", textbutton_info[i].infotext);
8213     infotext[max_infotext_len] = '\0';
8214
8215     // determine horizontal position to the right of specified gadget
8216     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
8217     {
8218       int gadget_id_align = textbutton_info[i].gadget_id_align;
8219
8220       x = right_gadget_border[gadget_id_align] + gadget_distance;
8221
8222       if (textbutton_info[i].y == -1)
8223         y = level_editor_gadget[gadget_id_align]->y;
8224     }
8225
8226     // determine horizontal offset for leading text
8227     if (textbutton_info[i].text_left != NULL)
8228       x += getTextWidthForGadget(textbutton_info[i].text_left);
8229
8230     gi = CreateGadget(GDI_CUSTOM_ID, id,
8231                       GDI_CUSTOM_TYPE_ID, type_id,
8232                       GDI_IMAGE_ID, graphic,
8233                       GDI_INFO_TEXT, infotext,
8234                       GDI_X, x,
8235                       GDI_Y, y,
8236                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
8237                       GDI_TEXT_VALUE, textbutton_info[i].text,
8238                       GDI_TEXT_SIZE, textbutton_info[i].size,
8239                       GDI_TEXT_FONT, FONT_INPUT_2,
8240                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2_ACTIVE,
8241                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8242                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8243                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
8244                       GDI_BORDER_SIZE, border_xsize, border_ysize,
8245                       GDI_DESIGN_WIDTH, gd->width,
8246                       GDI_DECORATION_SHIFTING, 1, 1,
8247                       GDI_EVENT_MASK, event_mask,
8248                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8249                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
8250                       GDI_END);
8251
8252     if (gi == NULL)
8253       Fail("cannot create gadget");
8254
8255     level_editor_gadget[id] = gi;
8256     right_gadget_border[id] =
8257       getRightGadgetBorder(gi, textbutton_info[i].text_right);
8258   }
8259 }
8260
8261 static void CreateGraphicbuttonGadgets(void)
8262 {
8263   struct GadgetInfo *gi;
8264   int i;
8265
8266   // create buttons for scrolling of drawing area and element list
8267   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
8268   {
8269     int id = graphicbutton_info[i].gadget_id;
8270     int type_id = graphicbutton_info[i].gadget_type_id;
8271     int x = SX + ED_SETTINGS_X(graphicbutton_info[i].x);
8272     int y = SY + ED_SETTINGS_Y(graphicbutton_info[i].y);
8273     int graphic = graphicbutton_info[i].graphic;
8274     struct GraphicInfo *gd = &graphic_info[graphic];
8275     int gd_x1 = gd->src_x;
8276     int gd_y1 = gd->src_y;
8277     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8278     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8279     unsigned int event_mask = GD_EVENT_RELEASED;
8280
8281     if (type_id != i)
8282       Fail("'graphicbutton_info' structure corrupted at index %d -- please fix", i);
8283
8284     // determine horizontal position to the right of specified gadget
8285     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
8286       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
8287            ED_GADGET_TEXT_DISTANCE);
8288
8289     // determine horizontal offset for leading text
8290     if (graphicbutton_info[i].text_left != NULL)
8291       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
8292
8293     gi = CreateGadget(GDI_CUSTOM_ID, id,
8294                       GDI_CUSTOM_TYPE_ID, type_id,
8295                       GDI_IMAGE_ID, graphic,
8296                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
8297                       GDI_X, x,
8298                       GDI_Y, y,
8299                       GDI_WIDTH, gd->width,
8300                       GDI_HEIGHT, gd->height,
8301                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
8302                       GDI_STATE, GD_BUTTON_UNPRESSED,
8303                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8304                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8305                       GDI_EVENT_MASK, event_mask,
8306                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8307                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
8308                       GDI_END);
8309
8310     if (gi == NULL)
8311       Fail("cannot create gadget");
8312
8313     level_editor_gadget[id] = gi;
8314     right_gadget_border[id] =
8315       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
8316   }
8317 }
8318
8319 static void CreateScrollbarGadgets(void)
8320 {
8321   int i;
8322
8323   // these values are not constant, but can change at runtime
8324   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
8325     SX + ED_SCROLL_HORIZONTAL_XPOS;
8326   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
8327     SY + ED_SCROLL_HORIZONTAL_YPOS;
8328   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
8329     ED_SCROLL_HORIZONTAL_XSIZE;
8330   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
8331     ED_SCROLL_HORIZONTAL_YSIZE;
8332   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
8333   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
8334   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
8335   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
8336
8337   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
8338     SX + ED_SCROLL_VERTICAL_XPOS;
8339   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
8340     SY + ED_SCROLL_VERTICAL_YPOS;
8341   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
8342     ED_SCROLL_VERTICAL_XSIZE;
8343   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
8344     ED_SCROLL_VERTICAL_YSIZE;
8345   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
8346   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
8347   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
8348   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
8349
8350   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
8351     PX + ED_SCROLL2_VERTICAL_XPOS;
8352   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
8353     PY + ED_SCROLL2_VERTICAL_YPOS;
8354   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
8355     ED_SCROLL2_VERTICAL_XSIZE;
8356   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
8357     ED_SCROLL2_VERTICAL_YSIZE;
8358   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = PX;
8359   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = PY;
8360   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = PXSIZE;
8361   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = PYSIZE;
8362
8363   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
8364   {
8365     int id = scrollbar_info[i].gadget_id;
8366     int type_id = scrollbar_info[i].gadget_type_id;
8367     int graphic = scrollbar_info[i].graphic;
8368     struct GraphicInfo *gd = &graphic_info[graphic];
8369     int gd_x1 = gd->src_x;
8370     int gd_y1 = gd->src_y;
8371     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8372     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8373     struct GadgetInfo *gi;
8374     int items_max, items_visible, item_position;
8375     unsigned int event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
8376
8377     if (type_id != i)
8378       Fail("'scrollbar_info' structure corrupted at index %d -- please fix", i);
8379
8380     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
8381     {
8382       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
8383       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
8384       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
8385     }
8386     else        // drawing area scrollbars
8387     {
8388       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
8389       {
8390         items_max = MAX(lev_fieldx + 2, ed_fieldx);
8391         items_visible = ed_fieldx;
8392         item_position = 0;
8393       }
8394       else
8395       {
8396         items_max = MAX(lev_fieldy + 2, ed_fieldy);
8397         items_visible = ed_fieldy;
8398         item_position = 0;
8399       }
8400     }
8401
8402     gi = CreateGadget(GDI_CUSTOM_ID, id,
8403                       GDI_CUSTOM_TYPE_ID, type_id,
8404                       GDI_IMAGE_ID, graphic,
8405                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
8406                       GDI_X, scrollbar_pos[i].x,
8407                       GDI_Y, scrollbar_pos[i].y,
8408                       GDI_WIDTH, scrollbar_pos[i].width,
8409                       GDI_HEIGHT, scrollbar_pos[i].height,
8410                       GDI_TYPE, scrollbar_info[i].type,
8411                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
8412                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
8413                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
8414                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
8415                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
8416                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
8417                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
8418                       GDI_STATE, GD_BUTTON_UNPRESSED,
8419                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8420                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8421                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8422                       GDI_EVENT_MASK, event_mask,
8423                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8424                       GDI_CALLBACK_ACTION, HandleControlButtons,
8425                       GDI_END);
8426
8427     if (gi == NULL)
8428       Fail("cannot create gadget");
8429
8430     level_editor_gadget[id] = gi;
8431   }
8432 }
8433
8434 static void CreateCheckbuttonGadgets(void)
8435 {
8436   struct GadgetInfo *gi;
8437   int i;
8438
8439   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
8440   {
8441     int id = checkbutton_info[i].gadget_id;
8442     int type_id = checkbutton_info[i].gadget_type_id;
8443     int graphic = (id == GADGET_ID_STICK_ELEMENT ? IMG_EDITOR_STICKYBUTTON :
8444                    IMG_EDITOR_CHECKBOX);
8445     struct GraphicInfo *gd = &graphic_info[graphic];
8446     int gd_x1 = gd->src_x;
8447     int gd_y1 = gd->src_y;
8448     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8449     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8450     int gd_x1a = gd->src_x + gd->active_xoffset;
8451     int gd_y1a = gd->src_y + gd->active_yoffset;
8452     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
8453     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
8454     int x = SX + ED_SETTINGS_X(checkbutton_info[i].x);
8455     int y = SY + ED_SETTINGS_Y(checkbutton_info[i].y);
8456     unsigned int event_mask = GD_EVENT_PRESSED;
8457
8458     if (type_id != i)
8459       Fail("'checkbutton_info' structure corrupted at index %d -- please fix", i);
8460
8461     // determine horizontal position to the right of specified gadget
8462     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
8463       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
8464            ED_GADGET_TEXT_DISTANCE);
8465
8466     // determine horizontal offset for leading text
8467     if (checkbutton_info[i].text_left != NULL)
8468       x += getTextWidthForGadget(checkbutton_info[i].text_left);
8469
8470     gi = CreateGadget(GDI_CUSTOM_ID, id,
8471                       GDI_CUSTOM_TYPE_ID, type_id,
8472                       GDI_IMAGE_ID, graphic,
8473                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
8474                       GDI_X, x,
8475                       GDI_Y, y,
8476                       GDI_WIDTH, gd->width,
8477                       GDI_HEIGHT, gd->height,
8478                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
8479                       GDI_CHECKED, *checkbutton_info[i].value,
8480                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8481                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8482                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
8483                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
8484                       GDI_EVENT_MASK, event_mask,
8485                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8486                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
8487                       GDI_END);
8488
8489     if (gi == NULL)
8490       Fail("cannot create gadget");
8491
8492     level_editor_gadget[id] = gi;
8493     right_gadget_border[id] =
8494       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
8495   }
8496 }
8497
8498 static void CreateRadiobuttonGadgets(void)
8499 {
8500   int graphic = IMG_EDITOR_RADIOBUTTON;
8501   struct GraphicInfo *gd = &graphic_info[graphic];
8502   int gd_x1 = gd->src_x;
8503   int gd_y1 = gd->src_y;
8504   int gd_x2 = gd->src_x + gd->pressed_xoffset;
8505   int gd_y2 = gd->src_y + gd->pressed_yoffset;
8506   int gd_x1a = gd->src_x + gd->active_xoffset;
8507   int gd_y1a = gd->src_y + gd->active_yoffset;
8508   int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
8509   int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
8510   struct GadgetInfo *gi;
8511   int i;
8512
8513   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
8514   {
8515     int id = radiobutton_info[i].gadget_id;
8516     int type_id = radiobutton_info[i].gadget_type_id;
8517     int x = SX + ED_SETTINGS_X(radiobutton_info[i].x);
8518     int y = SY + ED_SETTINGS_Y(radiobutton_info[i].y);
8519     unsigned int event_mask = GD_EVENT_PRESSED;
8520
8521     if (type_id != i)
8522       Fail("'radiobutton_info' structure corrupted at index %d -- please fix", i);
8523
8524     int checked =
8525       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
8526
8527     // determine horizontal position to the right of specified gadget
8528     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
8529       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
8530            ED_GADGET_TEXT_DISTANCE);
8531
8532     // determine horizontal offset for leading text
8533     if (radiobutton_info[i].text_left != NULL)
8534       x += getTextWidthForGadget(radiobutton_info[i].text_left);
8535
8536     gi = CreateGadget(GDI_CUSTOM_ID, id,
8537                       GDI_CUSTOM_TYPE_ID, type_id,
8538                       GDI_IMAGE_ID, graphic,
8539                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
8540                       GDI_X, x,
8541                       GDI_Y, y,
8542                       GDI_WIDTH, gd->width,
8543                       GDI_HEIGHT, gd->height,
8544                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
8545                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
8546                       GDI_CHECKED, checked,
8547                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8548                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8549                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
8550                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
8551                       GDI_EVENT_MASK, event_mask,
8552                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8553                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
8554                       GDI_END);
8555
8556     if (gi == NULL)
8557       Fail("cannot create gadget");
8558
8559     level_editor_gadget[id] = gi;
8560     right_gadget_border[id] =
8561       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
8562   }
8563 }
8564
8565 void CreateLevelEditorGadgets(void)
8566 {
8567   // force EDITOR font inside level editor
8568   SetFontStatus(GAME_MODE_EDITOR);
8569
8570   // these values are not constant, but can change at runtime
8571   ed_fieldx = MAX_ED_FIELDX - 1;
8572   ed_fieldy = MAX_ED_FIELDY - 1;
8573
8574   num_editor_gadgets = NUM_EDITOR_GADGETS;
8575
8576   // Debug("editor", "allocating %d gadgets ...\n", num_editor_gadgets);
8577
8578   level_editor_gadget =
8579     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
8580   right_gadget_border =
8581     checked_calloc(num_editor_gadgets * sizeof(int));
8582
8583   // set number of empty (padding) element buttons to maximum number of buttons
8584   num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS;
8585
8586   editor_el_empty = checked_calloc(num_editor_el_empty * sizeof(int));
8587   editor_el_empty_ptr = editor_el_empty;
8588
8589   use_permanent_palette = !editor.palette.show_as_separate_screen;
8590
8591   InitGadgetScreenBorders(-1, INFOTEXT_YPOS);
8592
8593   ReinitializeElementList();
8594
8595   CreateControlButtons();
8596   CreateScrollbarGadgets();
8597
8598   // order of function calls is important because of cross-references
8599   CreateCheckbuttonGadgets();
8600   CreateCounterButtons();
8601   CreateRadiobuttonGadgets();
8602   CreateTextInputGadgets();
8603   CreateTextAreaGadgets();
8604   CreateSelectboxGadgets();
8605   CreateGraphicbuttonGadgets();
8606   CreateTextbuttonGadgets();
8607   CreateDrawingAreas();
8608
8609   ResetFontStatus();
8610 }
8611
8612 void FreeLevelEditorGadgets(void)
8613 {
8614   int i;
8615
8616   // Debug("editor", "freeing %d gadgets ...\n", num_editor_gadgets);
8617
8618   for (i = 0; i < num_editor_gadgets; i++)
8619   {
8620     FreeGadget(level_editor_gadget[i]);
8621
8622     level_editor_gadget[i] = NULL;
8623   }
8624
8625   checked_free(level_editor_gadget);
8626   checked_free(right_gadget_border);
8627
8628   checked_free(editor_el_empty);
8629 }
8630
8631 static void MapCounterButtons(int id)
8632 {
8633   int font_nr = FONT_TEXT_1;
8634   int font_height = getFontHeight(font_nr);
8635   int gadget_id_down = counterbutton_info[id].gadget_id_down;
8636   int gadget_id_text = counterbutton_info[id].gadget_id_text;
8637   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
8638   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
8639   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
8640   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
8641   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
8642   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8643   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8644   int yoffset = (gi_down->height - font_height) / 2;
8645   int x_left = gi_down->x - xoffset_left;
8646   int x_right;  // set after gadget position was modified
8647   int y_above = gi_down->y - yoffset_above;
8648   int x = gi_down->x;
8649   int y;        // set after gadget position was modified
8650
8651   // counter limits must be changed first to prevent value truncation
8652   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
8653                             counterbutton_info[id].max_value);
8654
8655   // right text position might have changed after setting position above
8656   x_right = gi_up->x + gi_up->width + xoffset_right;
8657
8658   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
8659
8660   // set position for counter gadgets with dynamically determined position
8661   if (id != ED_COUNTER_ID_SELECT_LEVEL)
8662   {
8663     ModifyGadget(gi_down, GDI_Y, SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
8664     ModifyGadget(gi_text, GDI_Y, SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
8665     ModifyGadget(gi_up,   GDI_Y, SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
8666   }
8667
8668   // vertical position might have changed after setting position above
8669   y = gi_up->y + yoffset;
8670
8671   if (counterbutton_info[id].text_above)
8672     DrawText(x, y_above, counterbutton_info[id].text_above, font_nr);
8673
8674   if (counterbutton_info[id].text_left)
8675     DrawText(x_left, y, counterbutton_info[id].text_left, font_nr);
8676
8677   if (counterbutton_info[id].text_right)
8678     DrawText(x_right, y, counterbutton_info[id].text_right, font_nr);
8679
8680   MapGadget(gi_down);
8681   MapGadget(gi_text);
8682   MapGadget(gi_up);
8683 }
8684
8685 static void MapControlButtons(void)
8686 {
8687   int counter_id;
8688   int i;
8689
8690   // map toolbox buttons (excluding special CE toolbox buttons)
8691   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
8692     MapGadget(level_editor_gadget[i]);
8693
8694   // map toolbox buttons (element properties buttons)
8695   for (i = ED_NUM_CTRL1_4_BUTTONS; i < ED_NUM_CTRL1_7_BUTTONS; i++)
8696     MapGadget(level_editor_gadget[i]);
8697
8698   if (use_permanent_palette)
8699   {
8700     // map buttons to select elements
8701     for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
8702       MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
8703     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
8704     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
8705     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
8706   }
8707
8708   // map buttons to select level
8709   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
8710   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
8711   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
8712   MapCounterButtons(counter_id);
8713 }
8714
8715 static void MapDrawingArea(int id)
8716 {
8717   int font_nr = FONT_TEXT_1;
8718   int font_height = getFontHeight(font_nr);
8719   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
8720   int area_xsize = gi->drawing.area_xsize;
8721   int area_ysize = gi->drawing.area_ysize;
8722   int xoffset_left = getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8723   int xoffset_below = getTextWidth(drawingarea_info[id].text_below, font_nr);
8724   int x_left  = gi->x - xoffset_left - ED_DRAWINGAREA_BORDER_SIZE;
8725   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
8726   int x_above = gi->x - ED_DRAWINGAREA_BORDER_SIZE;
8727   int x_below = gi->x + (gi->width - xoffset_below) / 2;
8728   int y_side  = gi->y + (gi->height - font_height) / 2;
8729   int y_above = gi->y - font_height - ED_DRAWINGAREA_TEXT_DISTANCE;
8730   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
8731
8732   if (drawingarea_info[id].text_left)
8733     DrawText(x_left, y_side, drawingarea_info[id].text_left, font_nr);
8734
8735   if (drawingarea_info[id].text_right)
8736     DrawText(x_right, y_side, drawingarea_info[id].text_right, font_nr);
8737
8738   if (drawingarea_info[id].text_above)
8739     DrawText(x_above, y_above, drawingarea_info[id].text_above, font_nr);
8740
8741   if (drawingarea_info[id].text_below)
8742     DrawText(x_below, y_below, drawingarea_info[id].text_below, font_nr);
8743
8744   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
8745   {
8746     DrawElementBorder(gi->x, gi->y,
8747                       area_xsize * ED_DRAWINGAREA_TILE_SIZE,
8748                       area_ysize * ED_DRAWINGAREA_TILE_SIZE, TRUE);
8749
8750     DrawDrawingArea(id);
8751   }
8752
8753   MapGadget(gi);
8754 }
8755
8756 static void MapTextInputGadget(int id)
8757 {
8758   int font_nr = FONT_TEXT_1;
8759   int font_height = getFontHeight(font_nr);
8760   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
8761   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8762   int x_above = ED_SETTINGS_X(textinput_info[id].x);
8763   int y_above = ED_SETTINGS_Y(textinput_info[id].y) - yoffset_above;
8764
8765   if (textinput_info[id].text_above)
8766     DrawTextS(x_above, y_above, font_nr, textinput_info[id].text_above);
8767
8768   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
8769
8770   MapGadget(gi);
8771 }
8772
8773 static void MapTextAreaGadget(int id)
8774 {
8775   int font_nr = FONT_TEXT_1;
8776   int font_height = getFontHeight(font_nr);
8777   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
8778   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8779   int x_above = ED_SETTINGS_X(textarea_info[id].x);
8780   int y_above = ED_SETTINGS_Y(textarea_info[id].y) - yoffset_above;
8781   char *text_above = textarea_info[id].text_above;
8782
8783   if (gi->textarea.cropped && textarea_info[id].text_above_cropped)
8784     text_above = textarea_info[id].text_above_cropped;
8785
8786   if (text_above)
8787     DrawTextS(x_above, y_above, font_nr, text_above);
8788
8789   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
8790
8791   MapGadget(gi);
8792 }
8793
8794 static void MapSelectboxGadget(int id)
8795 {
8796   int font_nr = FONT_TEXT_1;
8797   int font_height = getFontHeight(font_nr);
8798   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
8799   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
8800   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8801   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8802   int yoffset = (gi->height - font_height) / 2;
8803   int x_left = gi->x - xoffset_left;
8804   int x_right = gi->x + gi->width + xoffset_right;
8805   int y_above = gi->y - yoffset_above;
8806   int x = gi->x;
8807   int y = gi->y + yoffset;
8808
8809   if (selectbox_info[id].text_above)
8810     DrawText(x, y_above, selectbox_info[id].text_above, font_nr);
8811
8812   if (selectbox_info[id].text_left)
8813     DrawText(x_left, y, selectbox_info[id].text_left, font_nr);
8814
8815   if (selectbox_info[id].text_right)
8816     DrawText(x_right, y, selectbox_info[id].text_right, font_nr);
8817
8818   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
8819
8820   MapGadget(gi);
8821 }
8822
8823 static void MapTextbuttonGadget(int id)
8824 {
8825   int font_nr = FONT_TEXT_1;
8826   int font_height = getFontHeight(font_nr);
8827   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
8828   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
8829   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8830   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8831   int yoffset = (gi->height - font_height) / 2;
8832   int x_left = gi->x - xoffset_left;
8833   int x_right = gi->x + gi->width + xoffset_right;
8834   int y_above = gi->y - yoffset_above;
8835   int x = gi->x;
8836   int y = gi->y + yoffset;
8837
8838   // only show button to delete change pages when more than minimum pages
8839   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
8840       custom_element.num_change_pages == MIN_CHANGE_PAGES)
8841     return;
8842
8843   if (textbutton_info[id].text_above)
8844     DrawText(x, y_above, textbutton_info[id].text_above, font_nr);
8845
8846   if (textbutton_info[id].text_left)
8847     DrawText(x_left, y, textbutton_info[id].text_left, font_nr);
8848
8849   if (textbutton_info[id].text_right)
8850     DrawText(x_right, y, textbutton_info[id].text_right, font_nr);
8851
8852   MapGadget(gi);
8853 }
8854
8855 static void MapGraphicbuttonGadget(int id)
8856 {
8857   int font_nr = FONT_TEXT_1;
8858   int font_height = getFontHeight(font_nr);
8859   struct GadgetInfo *gi = level_editor_gadget[graphicbutton_info[id].gadget_id];
8860   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
8861   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8862   int yoffset = (gi->height - font_height) / 2;
8863   int x_left = gi->x - xoffset_left;
8864   int x_right = gi->x + gi->width + xoffset_right;
8865   int y = gi->y + yoffset;
8866
8867   if (graphicbutton_info[id].text_left)
8868     DrawText(x_left, y, graphicbutton_info[id].text_left, font_nr);
8869
8870   if (graphicbutton_info[id].text_right)
8871     DrawText(x_right, y, graphicbutton_info[id].text_right, font_nr);
8872
8873   MapGadget(gi);
8874 }
8875
8876 static void MapRadiobuttonGadget(int id)
8877 {
8878   int font_nr = FONT_TEXT_1;
8879   int font_height = getFontHeight(font_nr);
8880   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
8881   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
8882   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8883   int yoffset = (gi->height - font_height) / 2;
8884   int x_left = gi->x - xoffset_left;
8885   int x_right = gi->x + gi->width + xoffset_right;
8886   int y = gi->y + yoffset;
8887   boolean checked =
8888     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
8889
8890   if (radiobutton_info[id].text_left)
8891     DrawText(x_left, y, radiobutton_info[id].text_left, font_nr);
8892
8893   if (radiobutton_info[id].text_right)
8894     DrawText(x_right, y, radiobutton_info[id].text_right, font_nr);
8895
8896   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
8897
8898   MapGadget(gi);
8899 }
8900
8901 static void MapCheckbuttonGadget(int id)
8902 {
8903   int font_nr = FONT_TEXT_1;
8904   int font_height = getFontHeight(font_nr);
8905   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
8906   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
8907   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8908   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8909   int yoffset = (gi->height - font_height) / 2;
8910   int y_above = gi->y - yoffset_above;
8911   int x = gi->x;
8912   int x_left, x_right, y;       // set after gadget position was modified
8913
8914   // set position for gadgets with dynamically determined position
8915   if (checkbutton_info[id].x != -1)     // do not change dynamic positions
8916     ModifyGadget(gi, GDI_X, SX + ED_SETTINGS_X(checkbutton_info[id].x), GDI_END);
8917   ModifyGadget(gi, GDI_Y, SY + ED_SETTINGS_Y(checkbutton_info[id].y), GDI_END);
8918
8919   x_left = gi->x - xoffset_left;
8920   x_right = gi->x + gi->width + xoffset_right;
8921   y = gi->y + yoffset;
8922
8923   if (checkbutton_info[id].text_above)
8924     DrawText(x, y_above, checkbutton_info[id].text_above, font_nr);
8925
8926   if (checkbutton_info[id].text_left)
8927     DrawText(x_left, y, checkbutton_info[id].text_left, font_nr);
8928
8929   if (checkbutton_info[id].text_right)
8930     DrawText(x_right, y, checkbutton_info[id].text_right, font_nr);
8931
8932   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
8933
8934   MapGadget(gi);
8935 }
8936
8937 static void MapMainDrawingArea(void)
8938 {
8939   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
8940   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
8941   int i;
8942
8943   if (suppressBorderElement())
8944   {
8945     no_horizontal_scrollbar = (lev_fieldx <= ed_fieldx);
8946     no_vertical_scrollbar   = (lev_fieldy <= ed_fieldy);
8947   }
8948
8949   for (i = ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
8950   {
8951     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
8952           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
8953          no_horizontal_scrollbar) ||
8954         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
8955           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
8956          no_vertical_scrollbar))
8957       continue;
8958
8959     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
8960   }
8961
8962   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
8963   {
8964     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
8965         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
8966       continue;
8967
8968     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
8969   }
8970
8971   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
8972 }
8973
8974 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
8975 {
8976   int i;
8977
8978   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
8979   {
8980     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
8981         i == GADGET_ID_CUSTOM_COPY_TO ||
8982         i == GADGET_ID_CUSTOM_EXCHANGE ||
8983         i == GADGET_ID_CUSTOM_COPY ||
8984         i == GADGET_ID_CUSTOM_PASTE)
8985     {
8986       if (map)
8987         MapGadget(level_editor_gadget[i]);
8988       else
8989         UnmapGadget(level_editor_gadget[i]);
8990     }
8991   }
8992 }
8993
8994 static void MapLevelEditorToolboxCustomGadgets(void)
8995 {
8996   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
8997 }
8998
8999 static void MapLevelEditorToolboxCustomGadgetsIfNeeded(void)
9000 {
9001   if (IS_CUSTOM_ELEMENT(properties_element) ||
9002       IS_GROUP_ELEMENT(properties_element) ||
9003       IS_EMPTY_ELEMENT(properties_element))
9004     MapLevelEditorToolboxCustomGadgets();
9005 }
9006
9007 static void UnmapLevelEditorToolboxCustomGadgets(void)
9008 {
9009   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
9010 }
9011
9012 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
9013 {
9014   int i;
9015
9016   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
9017   {
9018     if (i != GADGET_ID_SINGLE_ITEMS &&
9019         i != GADGET_ID_PICK_ELEMENT)
9020     {
9021       struct GadgetInfo *gi = level_editor_gadget[i];
9022
9023       if (map)
9024       {
9025         MapGadget(gi);
9026       }
9027       else
9028       {
9029         int graphic = IMG_EDITOR_NO_TOOLBOX_BUTTON;
9030         struct GraphicInfo *gd = &graphic_info[graphic];
9031
9032         UnmapGadget(gi);
9033
9034         BlitBitmap(gd->bitmap, drawto, gd->src_x, gd->src_y,
9035                    gi->width, gi->height, gi->x, gi->y);
9036
9037         redraw_mask |= REDRAW_DOOR_3;
9038       }
9039     }
9040   }
9041 }
9042
9043 static void MapLevelEditorToolboxDrawingGadgets(void)
9044 {
9045   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
9046 }
9047
9048 static void UnmapLevelEditorToolboxDrawingGadgets(void)
9049 {
9050   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
9051 }
9052
9053 static void UnmapDrawingArea(int id)
9054 {
9055   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
9056 }
9057
9058 static void UnmapLevelEditorFieldGadgets(void)
9059 {
9060   int i;
9061
9062   for (i = 0; i < num_editor_gadgets; i++)
9063     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
9064                           level_editor_gadget[i]->y))
9065       UnmapGadget(level_editor_gadget[i]);
9066 }
9067
9068 void UnmapLevelEditorGadgets(void)
9069 {
9070   int i;
9071
9072   for (i = 0; i < num_editor_gadgets; i++)
9073     UnmapGadget(level_editor_gadget[i]);
9074 }
9075
9076 static void ResetUndoBuffer(void)
9077 {
9078   undo_buffer_position = -1;
9079   undo_buffer_steps = -1;
9080   redo_buffer_steps = 0;
9081
9082   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
9083
9084   level.changed = FALSE;
9085 }
9086
9087 static void DrawEditModeWindowExt(boolean remap_toolbox_gadgets)
9088 {
9089   if (remap_toolbox_gadgets)
9090   {
9091     ModifyEditorElementList();
9092     RedrawDrawingElements();
9093   }
9094
9095   if (edit_mode == ED_MODE_LEVELCONFIG)
9096     DrawLevelConfigWindow();
9097   else if (edit_mode == ED_MODE_PROPERTIES)
9098     DrawPropertiesWindow();
9099   else if (edit_mode == ED_MODE_PALETTE)
9100     DrawPaletteWindow();
9101   else  // edit_mode == ED_MODE_DRAWING
9102     DrawDrawingWindowExt(remap_toolbox_gadgets);
9103 }
9104
9105 static void DrawEditModeWindow(void)
9106 {
9107   DrawEditModeWindowExt(TRUE);
9108 }
9109
9110 static void DrawEditModeWindow_PlayfieldOnly(void)
9111 {
9112   DrawEditModeWindowExt(FALSE);
9113 }
9114
9115 static void ChangeEditModeWindow(int new_edit_mode)
9116 {
9117   edit_mode = (new_edit_mode != edit_mode ? new_edit_mode : ED_MODE_DRAWING);
9118
9119   DrawEditModeWindow();
9120 }
9121
9122 static boolean LevelChanged(void)
9123 {
9124   boolean field_changed = FALSE;
9125   int x, y;
9126
9127   for (y = 0; y < lev_fieldy; y++)
9128     for (x = 0; x < lev_fieldx; x++)
9129       if (Tile[x][y] != level.field[x][y])
9130         field_changed = TRUE;
9131
9132   return (level.changed || field_changed);
9133 }
9134
9135 static boolean PrepareSavingIntoPersonalLevelSet(void)
9136 {
9137   static LevelDirTree *last_copied_leveldir = NULL;
9138   static LevelDirTree *last_written_leveldir = NULL;
9139   static int last_copied_level_nr = -1;
9140   static int last_written_level_nr = -1;
9141   LevelDirTree *leveldir_former = leveldir_current;
9142   int level_nr_former = level_nr;
9143   int new_level_nr;
9144
9145   // remember last mod/save so that for current session, we write
9146   // back to the same personal copy, asking only about overwrite.
9147   if (leveldir_current == last_copied_leveldir &&
9148       level_nr == last_copied_level_nr)
9149   {
9150     // "cd" to personal level set dir (as used when writing last copy)
9151     leveldir_current = last_written_leveldir;
9152     level_nr = last_written_level_nr;
9153
9154     return TRUE;
9155   }
9156
9157   if (!Request("This level is read-only! "
9158                "Save into personal level set?", REQ_ASK))
9159     return FALSE;
9160
9161   // "cd" to personal level set dir (for writing copy the first time)
9162   leveldir_current =
9163     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
9164
9165   // this may happen if "setup.internal.create_user_levelset" is FALSE
9166   // or if file "levelinfo.conf" is missing in personal user level set
9167   if (leveldir_current == NULL)
9168   {
9169     Request("Cannot find personal level set?!", REQ_CONFIRM);
9170
9171     leveldir_current = leveldir_former;
9172
9173     return FALSE;
9174   }
9175
9176   // find unused level number
9177   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
9178   {
9179     static char *level_filename = NULL;
9180
9181     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
9182
9183     if (!fileExists(level_filename))
9184       break;
9185   }
9186
9187   last_copied_leveldir = leveldir_former;
9188   last_copied_level_nr = level_nr_former;
9189
9190   last_written_leveldir = leveldir_current;
9191   last_written_level_nr = level_nr = new_level_nr;
9192
9193   return TRUE;
9194 }
9195
9196 static void ModifyLevelConfigForSavingIntoPersonalLevelSet(char *former_name)
9197 {
9198   static char *filename_levelinfo = NULL, *mod_name = NULL;
9199   FILE *file;
9200
9201   // annotate this copy-and-mod in personal levelinfo.conf
9202   setString(&filename_levelinfo,
9203             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
9204
9205   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
9206   {
9207     fprintf(file, "\n");
9208     fprintf(file, "# level %d was modified from:\n", level_nr);
9209     fprintf(file, "# - previous level set name:    %s\n",
9210             former_name);
9211     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
9212             level.file_info.nr, level.name);
9213     fprintf(file, "# - previous author:            %s\n",
9214             level.author);
9215     fprintf(file, "# - previous save date:         ");
9216
9217     if (level.creation_date.src == DATE_SRC_LEVELFILE)
9218     {
9219       fprintf(file, "%04d-%02d-%02d\n",
9220               level.creation_date.year,
9221               level.creation_date.month,
9222               level.creation_date.day);
9223     }
9224     else
9225     {
9226       fprintf(file, "not recorded\n");
9227     }
9228
9229     fclose(file);
9230   }
9231
9232   if (level_nr > leveldir_current->last_level)
9233     UpdateUserLevelSet(getLoginName(), NULL, NULL, level_nr + 9);
9234
9235   // else: allow the save even if annotation failed
9236
9237   // now... spray graffiti on the old level vital statistics
9238   // user can change these; just trying to set a good baseline
9239
9240   // don't truncate names for fear of making offensive or silly:
9241   // long-named original author only recorded in levelinfo.conf.
9242   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
9243   if (!strEqual(level.author, leveldir_current->author))
9244   {
9245     setString(&mod_name, getStringCat3(leveldir_current->author,
9246                                        " after ", level.author));
9247
9248     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
9249       setString(&mod_name,
9250                 getStringCat2(leveldir_current->author, " (ed.)"));
9251
9252     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
9253       setString(&mod_name, leveldir_current->author);
9254
9255     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
9256
9257     // less worried about truncation here
9258     setString(&mod_name, getStringCat2("Mod: ", level.name));
9259     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
9260   }
9261 }
9262
9263 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
9264                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
9265 {
9266   int x, y;
9267
9268   for (x = 0; x < lev_fieldx; x++)
9269     for (y = 0; y < lev_fieldy; y++)
9270       dst[x][y] = src[x][y];
9271 }
9272
9273 static int setSelectboxValue(int selectbox_id, int new_value)
9274 {
9275   int new_index_value = 0;
9276   int i;
9277
9278   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
9279     if (selectbox_info[selectbox_id].options[i].value == new_value)
9280       new_index_value = i;
9281
9282   *selectbox_info[selectbox_id].value =
9283     selectbox_info[selectbox_id].options[new_index_value].value;
9284
9285   return new_index_value;
9286 }
9287
9288 static void setSelectboxSpecialActionVariablesIfNeeded(void)
9289 {
9290   int i;
9291
9292   // change action mode and arg variables according to action type variable
9293   for (i = 0; action_arg_options[i].value != -1; i++)
9294   {
9295     if (action_arg_options[i].value == custom_element_change.action_type)
9296     {
9297       int mode = action_arg_options[i].mode;
9298
9299       // only change if corresponding selectbox has changed
9300       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
9301           action_arg_modes[mode])
9302         custom_element_change.action_mode = -1;
9303
9304       // only change if corresponding selectbox has changed
9305       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
9306           action_arg_options[i].options)
9307         custom_element_change.action_arg = -1;
9308
9309       break;
9310     }
9311   }
9312 }
9313
9314 static void setSelectboxSpecialActionOptions(void)
9315 {
9316   int i;
9317
9318   // change action mode and arg selectbox according to action type selectbox
9319   for (i = 0; action_arg_options[i].value != -1; i++)
9320   {
9321     if (action_arg_options[i].value == custom_element_change.action_type)
9322     {
9323       int mode = action_arg_options[i].mode;
9324
9325       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
9326                                    action_arg_modes[mode]);
9327       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
9328                                  custom_element_change.action_mode);
9329
9330       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
9331                                    action_arg_options[i].options);
9332       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
9333                                  custom_element_change.action_arg);
9334       break;
9335     }
9336   }
9337 }
9338
9339 static void copy_custom_element_settings(int element_from, int element_to)
9340 {
9341   struct ElementInfo *ei_from = &element_info[element_from];
9342   struct ElementInfo *ei_to = &element_info[element_to];
9343
9344   copyElementInfo(ei_from, ei_to);
9345 }
9346
9347 static void replace_custom_element_in_settings(int element_from,
9348                                                int element_to)
9349 {
9350   int i, j, x, y;
9351
9352   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
9353   {
9354     struct ElementInfo *ei = &element_info[i];
9355
9356     for (y = 0; y < 3; y++)
9357       for (x = 0; x < 3; x++)
9358         if (ei->content.e[x][y] == element_from)
9359           ei->content.e[x][y] = element_to;
9360
9361     for (j = 0; j < ei->num_change_pages; j++)
9362     {
9363       struct ElementChangeInfo *change = &ei->change_page[j];
9364
9365       if (change->target_element == element_from)
9366         change->target_element = element_to;
9367
9368       if (change->initial_trigger_element == element_from)
9369         change->initial_trigger_element = element_to;
9370
9371       if (change->action_element == element_from)
9372         change->action_element = element_to;
9373
9374       for (y = 0; y < 3; y++)
9375         for (x = 0; x < 3; x++)
9376           if (change->target_content.e[x][y] == element_from)
9377             change->target_content.e[x][y] = element_to;
9378     }
9379
9380     if (ei->group != NULL)                              // group or internal
9381       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
9382         if (ei->group->element[j] == element_from)
9383           ei->group->element[j] = element_to;
9384   }
9385 }
9386
9387 static void replace_custom_element_in_playfield(int element_from,
9388                                                 int element_to)
9389 {
9390   int x, y;
9391
9392   for (x = 0; x < lev_fieldx; x++)
9393     for (y = 0; y < lev_fieldy; y++)
9394       if (Tile[x][y] == element_from)
9395         Tile[x][y] = element_to;
9396 }
9397
9398 static boolean CopyCustomElement(int element_old, int element_new,
9399                                  int copy_mode)
9400 {
9401   int copy_mode_orig = copy_mode;
9402
9403   if (copy_mode == GADGET_ID_CUSTOM_COPY)
9404   {
9405     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
9406                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
9407     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
9408   }
9409   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
9410   {
9411     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
9412                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
9413     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
9414
9415     level.changed = TRUE;
9416   }
9417   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
9418   {
9419     Request("Please choose custom element!", REQ_CONFIRM);
9420
9421     return FALSE;
9422   }
9423   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
9424   {
9425     Request("Please choose group element!", REQ_CONFIRM);
9426
9427     return FALSE;
9428   }
9429   else if (IS_EMPTY_ELEMENT(element_old) && !IS_EMPTY_ELEMENT(element_new))
9430   {
9431     Request("Please choose empty element!", REQ_CONFIRM);
9432
9433     return FALSE;
9434   }
9435   else
9436   {
9437     level.changed = TRUE;
9438   }
9439
9440   // when modifying custom/group element, ask for copying level template
9441   if (copy_mode_orig != GADGET_ID_CUSTOM_COPY && level.use_custom_template)
9442   {
9443     if (!AskToCopyAndModifyLevelTemplate())
9444       return FALSE;
9445   }
9446
9447   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
9448   {
9449     copy_custom_element_settings(element_new, element_old);
9450   }
9451   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
9452   {
9453     copy_custom_element_settings(element_old, element_new);
9454   }
9455   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
9456   {
9457     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
9458     copy_custom_element_settings(element_new, element_old);
9459     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
9460
9461     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
9462     replace_custom_element_in_settings(element_new, element_old);
9463     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
9464
9465     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
9466     replace_custom_element_in_playfield(element_new, element_old);
9467     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
9468   }
9469
9470   UpdateCustomElementGraphicGadgets();
9471   DrawPropertiesWindow();
9472
9473   return TRUE;
9474 }
9475
9476 static void CopyCustomElementPropertiesToEditor(int element)
9477 {
9478   int i;
9479   int current_change_page = element_info[element].current_change_page;
9480
9481   // dynamically (re)build selectbox for selecting change page
9482   for (i = 0; i < element_info[element].num_change_pages; i++)
9483   {
9484     sprintf(options_change_page_strings[i], "%d", i + 1);
9485
9486     options_change_page[i].value = i;
9487     options_change_page[i].text = options_change_page_strings[i];
9488   }
9489
9490   options_change_page[i].value = -1;
9491   options_change_page[i].text = NULL;
9492
9493   // needed here to initialize combined element properties
9494   InitElementPropertiesEngine(level.game_version);
9495
9496   element_info[element].change =
9497     &element_info[element].change_page[current_change_page];
9498
9499   custom_element = element_info[element];
9500   custom_element_change = *element_info[element].change;
9501
9502   // needed to initially set selectbox options for special action options
9503   setSelectboxSpecialActionOptions();
9504
9505   // needed to initially set selectbox value variables to reliable defaults
9506   for (i = 0; i < ED_NUM_SELECTBOX; i++)
9507     setSelectboxValue(i, *selectbox_info[i].value);
9508
9509   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
9510     custom_element_properties[i] = HAS_PROPERTY(element, i);
9511
9512   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
9513     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
9514
9515   // ---------- element settings: configure (custom elements) -----------------
9516
9517   // set accessible layer selectbox help value
9518   custom_element.access_type =
9519     (IS_WALKABLE(element) ? EP_WALKABLE :
9520      IS_PASSABLE(element) ? EP_PASSABLE :
9521      custom_element.access_type);
9522   custom_element.access_layer =
9523     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
9524      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
9525      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
9526      custom_element.access_layer);
9527   custom_element.access_protected =
9528     (IS_PROTECTED(element) ? 1 : 0);
9529   custom_element_properties[EP_ACCESSIBLE] =
9530     (IS_ACCESSIBLE_OVER(element) ||
9531      IS_ACCESSIBLE_INSIDE(element) ||
9532      IS_ACCESSIBLE_UNDER(element));
9533
9534   // set walk-to-object action selectbox help value
9535   custom_element.walk_to_action =
9536     (IS_DIGGABLE(element) ? EP_DIGGABLE :
9537      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
9538      IS_DROPPABLE(element) ? EP_DROPPABLE :
9539      IS_THROWABLE(element) ? EP_THROWABLE :
9540      IS_PUSHABLE(element) ? EP_PUSHABLE :
9541      custom_element.walk_to_action);
9542   custom_element_properties[EP_WALK_TO_OBJECT] =
9543     (IS_DIGGABLE(element) ||
9544      IS_COLLECTIBLE_ONLY(element) ||
9545      IS_DROPPABLE(element) ||
9546      IS_THROWABLE(element) ||
9547      IS_PUSHABLE(element));
9548
9549   // set smash targets selectbox help value
9550   custom_element.smash_targets =
9551     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
9552      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
9553      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
9554      custom_element.smash_targets);
9555   custom_element_properties[EP_CAN_SMASH] =
9556     (CAN_SMASH_EVERYTHING(element) ||
9557      CAN_SMASH_ENEMIES(element) ||
9558      CAN_SMASH_PLAYER(element));
9559
9560   // set deadliness selectbox help value
9561   custom_element.deadliness =
9562     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
9563      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
9564      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
9565      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
9566      custom_element.deadliness);
9567   custom_element_properties[EP_DEADLY] =
9568     (DONT_TOUCH(element) ||
9569      DONT_GET_HIT_BY(element) ||
9570      DONT_COLLIDE_WITH(element) ||
9571      DONT_RUN_INTO(element));
9572
9573   // ---------- element settings: advanced (custom elements) ------------------
9574
9575   // set "change by direct action" selectbox help value
9576   custom_element_change.direct_action =
9577     (HAS_CHANGE_EVENT(element, CE_NEXT_TO_PLAYER) ? CE_NEXT_TO_PLAYER :
9578      HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
9579      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
9580      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
9581      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
9582      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
9583      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
9584      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
9585      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
9586      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
9587      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
9588      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
9589      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
9590      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
9591      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
9592      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
9593      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
9594      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
9595      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
9596      HAS_CHANGE_EVENT(element, CE_CLICKED_BY_MOUSE) ? CE_CLICKED_BY_MOUSE :
9597      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_MOUSE) ? CE_PRESSED_BY_MOUSE :
9598      custom_element_change.direct_action);
9599
9600   // set "change by other element action" selectbox help value
9601   custom_element_change.other_action =
9602     (HAS_CHANGE_EVENT(element, CE_PLAYER_NEXT_TO_X) ? CE_PLAYER_NEXT_TO_X :
9603      HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
9604      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
9605      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
9606      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
9607      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
9608      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
9609      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
9610      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
9611      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
9612      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
9613      HAS_CHANGE_EVENT(element, CE_NEXT_TO_X) ? CE_NEXT_TO_X :
9614      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
9615      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
9616      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
9617      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
9618      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
9619      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
9620      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
9621      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
9622      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
9623      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
9624      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
9625      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
9626      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
9627      HAS_CHANGE_EVENT(element, CE_MOUSE_CLICKED_ON_X) ? CE_MOUSE_CLICKED_ON_X :
9628      HAS_CHANGE_EVENT(element, CE_MOUSE_PRESSED_ON_X) ? CE_MOUSE_PRESSED_ON_X :
9629      custom_element_change.other_action);
9630 }
9631
9632 static void CopyGroupElementPropertiesToEditor(int element)
9633 {
9634   group_element_info = *element_info[element].group;
9635   custom_element = element_info[element];       // needed for description
9636 }
9637
9638 static void CopyEmptyElementPropertiesToEditor(int element)
9639 {
9640   custom_element = element_info[element];
9641 }
9642
9643 static void CopyClassicElementPropertiesToEditor(int element)
9644 {
9645   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
9646     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
9647       getMoveIntoAcidProperty(&level, element);
9648
9649   if (MAYBE_DONT_COLLIDE_WITH(element))
9650     custom_element_properties[EP_DONT_COLLIDE_WITH] =
9651       getDontCollideWithProperty(&level, element);
9652 }
9653
9654 static void CopyElementPropertiesToEditor(int element)
9655 {
9656   if (IS_CUSTOM_ELEMENT(element))
9657     CopyCustomElementPropertiesToEditor(element);
9658   else if (IS_GROUP_ELEMENT(element))
9659     CopyGroupElementPropertiesToEditor(element);
9660   else if (IS_EMPTY_ELEMENT(element))
9661     CopyEmptyElementPropertiesToEditor(element);
9662   else
9663     CopyClassicElementPropertiesToEditor(element);
9664 }
9665
9666 static boolean AskToCopyAndModifyLevelTemplate(void)
9667 {
9668   if (Request("Copy and modify settings from level template?", REQ_ASK))
9669   {
9670     level.use_custom_template = FALSE;
9671
9672     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_1],
9673                  GDI_CHECKED, FALSE, GDI_END);
9674     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_2],
9675                  GDI_CHECKED, FALSE, GDI_END);
9676
9677     return TRUE;
9678   }
9679   else
9680   {
9681     LoadLevelTemplate(-1);      // this resets all element modifications ...
9682
9683     DrawEditModeWindow();       // ... and copies them to 'custom_element'
9684
9685     return FALSE;
9686   }
9687 }
9688
9689 static void CopyCustomElementPropertiesToGame(int element)
9690 {
9691   int i;
9692   int access_type_and_layer;
9693
9694   // mark that this custom element has been modified
9695   custom_element.modified_settings = TRUE;
9696   level.changed = TRUE;
9697
9698   if (level.use_custom_template)
9699     AskToCopyAndModifyLevelTemplate();
9700
9701   element_info[element] = custom_element;
9702   *element_info[element].change = custom_element_change;
9703
9704   // ---------- element settings: configure (custom elements) -----------------
9705
9706   // set accessible property from checkbox and selectbox
9707   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
9708   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
9709   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
9710   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
9711   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
9712   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
9713   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
9714                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
9715                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
9716   custom_element_properties[access_type_and_layer] =
9717     custom_element_properties[EP_ACCESSIBLE];
9718   custom_element_properties[EP_PROTECTED] =
9719     (custom_element.access_protected != 0 &&
9720      custom_element_properties[EP_ACCESSIBLE]);
9721
9722   // set walk-to-object property from checkbox and selectbox
9723   custom_element_properties[EP_DIGGABLE] = FALSE;
9724   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
9725   custom_element_properties[EP_DROPPABLE] = FALSE;
9726   custom_element_properties[EP_THROWABLE] = FALSE;
9727   custom_element_properties[EP_PUSHABLE] = FALSE;
9728   custom_element_properties[custom_element.walk_to_action] =
9729     custom_element_properties[EP_WALK_TO_OBJECT];
9730
9731   // set smash property from checkbox and selectbox
9732   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
9733   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
9734   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
9735   custom_element_properties[custom_element.smash_targets] =
9736     custom_element_properties[EP_CAN_SMASH];
9737
9738   // set deadliness property from checkbox and selectbox
9739   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
9740   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
9741   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
9742   custom_element_properties[EP_DONT_TOUCH] = FALSE;
9743   custom_element_properties[custom_element.deadliness] =
9744     custom_element_properties[EP_DEADLY];
9745
9746   // ---------- element settings: advanced (custom elements) ------------------
9747
9748   // set player change event from checkbox and selectbox
9749   custom_element_change_events[CE_NEXT_TO_PLAYER] = FALSE;
9750   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
9751   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
9752   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
9753   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
9754   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
9755   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
9756   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
9757   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
9758   custom_element_change_events[CE_SWITCHED] = FALSE;
9759   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
9760   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
9761   custom_element_change_events[CE_BLOCKED] = FALSE;
9762   custom_element_change_events[CE_IMPACT] = FALSE;
9763   custom_element_change_events[CE_SMASHED] = FALSE;
9764   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
9765   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
9766   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
9767   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
9768   custom_element_change_events[CE_CLICKED_BY_MOUSE] = FALSE;
9769   custom_element_change_events[CE_PRESSED_BY_MOUSE] = FALSE;
9770   custom_element_change_events[custom_element_change.direct_action] =
9771     custom_element_change_events[CE_BY_DIRECT_ACTION];
9772
9773   // set other element action change event from checkbox and selectbox
9774   custom_element_change_events[CE_PLAYER_NEXT_TO_X] = FALSE;
9775   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
9776   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
9777   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
9778   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
9779   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
9780   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
9781   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
9782   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
9783   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
9784   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
9785   custom_element_change_events[CE_NEXT_TO_X] = FALSE;
9786   custom_element_change_events[CE_TOUCHING_X] = FALSE;
9787   custom_element_change_events[CE_HITTING_X] = FALSE;
9788   custom_element_change_events[CE_DIGGING_X] = FALSE;
9789   custom_element_change_events[CE_HIT_BY_X] = FALSE;
9790   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
9791   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
9792   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
9793   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
9794   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
9795   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
9796   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
9797   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
9798   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
9799   custom_element_change_events[CE_MOUSE_CLICKED_ON_X] = FALSE;
9800   custom_element_change_events[CE_MOUSE_PRESSED_ON_X] = FALSE;
9801   custom_element_change_events[custom_element_change.other_action] =
9802     custom_element_change_events[CE_BY_OTHER_ACTION];
9803
9804   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
9805     SET_PROPERTY(element, i, custom_element_properties[i]);
9806
9807   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
9808     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
9809
9810   // copy change events also to special level editor variable
9811   custom_element = element_info[element];
9812   custom_element_change = *element_info[element].change;
9813
9814   // needed here to restore runtime value "element_info[element].gfx_element"
9815   InitElementPropertiesGfxElement();
9816 }
9817
9818 static void CopyGroupElementPropertiesToGame(int element)
9819 {
9820   // mark that this group element has been modified
9821   custom_element.modified_settings = TRUE;
9822   level.changed = TRUE;
9823
9824   if (level.use_custom_template)
9825     AskToCopyAndModifyLevelTemplate();
9826
9827   element_info[element] = custom_element;
9828   *element_info[element].group = group_element_info;
9829
9830   // needed here to restore runtime value "element_info[element].gfx_element"
9831   InitElementPropertiesGfxElement();
9832 }
9833
9834 static void CopyEmptyElementPropertiesToGame(int element)
9835 {
9836   // mark that this empty element has been modified
9837   custom_element.modified_settings = TRUE;
9838   level.changed = TRUE;
9839
9840   if (level.use_custom_template)
9841     AskToCopyAndModifyLevelTemplate();
9842
9843   element_info[element] = custom_element;
9844
9845   // needed here to restore runtime value "element_info[element].gfx_element"
9846   InitElementPropertiesGfxElement();
9847 }
9848
9849 static void CopyClassicElementPropertiesToGame(int element)
9850 {
9851   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
9852     setMoveIntoAcidProperty(&level, element,
9853                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
9854
9855   if (MAYBE_DONT_COLLIDE_WITH(element))
9856     setDontCollideWithProperty(&level, element,
9857                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
9858 }
9859
9860 static void CopyElementPropertiesToGame(int element)
9861 {
9862   if (IS_CUSTOM_ELEMENT(element))
9863     CopyCustomElementPropertiesToGame(element);
9864   else if (IS_GROUP_ELEMENT(element))
9865     CopyGroupElementPropertiesToGame(element);
9866   else if (IS_EMPTY_ELEMENT(element))
9867     CopyEmptyElementPropertiesToGame(element);
9868   else
9869     CopyClassicElementPropertiesToGame(element);
9870 }
9871
9872 #if DEBUG
9873 static void CheckElementDescriptions(void)
9874 {
9875   int i;
9876
9877   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
9878     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
9879       Warn("no element description file for element '%s'", EL_NAME(i));
9880 }
9881 #endif
9882
9883 static int getMaxEdFieldX(boolean has_scrollbar)
9884 {
9885   int scrollbar_width = (has_scrollbar ? ED_SCROLLBUTTON_XSIZE : 0);
9886   int sxsize = SXSIZE - scrollbar_width;
9887   int max_ed_fieldx = sxsize / ed_tilesize;
9888
9889   return max_ed_fieldx;
9890 }
9891
9892 static int getMaxEdFieldY(boolean has_scrollbar)
9893 {
9894   int infotext_height = (IN_PIX_FIELD(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY) ?
9895                          INFOTEXT_YSIZE_FULL : 0);
9896   int scrollbar_height = (has_scrollbar ? ED_SCROLLBUTTON_YSIZE : 0);
9897   int sysize = SYSIZE - scrollbar_height - infotext_height;
9898   int max_ed_fieldy = sysize / ed_tilesize;
9899
9900   return max_ed_fieldy;
9901 }
9902
9903 static void InitZoomLevelSettings(int zoom_tilesize)
9904 {
9905   static int last_game_engine_type = GAME_ENGINE_TYPE_UNKNOWN;
9906
9907   if (zoom_tilesize == -1 && level.game_engine_type != last_game_engine_type)
9908   {
9909     ed_tilesize = setup.auto_setup.editor_zoom_tilesize;
9910     ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
9911
9912     // make sure that tile size is always a power of 2
9913     ed_tilesize = (1 << log_2(ed_tilesize));
9914
9915     if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
9916     {
9917       ed_tilesize = DEFAULT_EDITOR_TILESIZE_MM;
9918       ed_tilesize_default = DEFAULT_EDITOR_TILESIZE_MM;
9919     }
9920   }
9921
9922   last_game_engine_type = level.game_engine_type;
9923
9924   // limit zoom tilesize by upper and lower bound
9925   ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
9926
9927   // store zoom tilesize in auto setup file only if it was manually changed
9928   if (zoom_tilesize != -1)
9929     setup.auto_setup.editor_zoom_tilesize = ed_tilesize;
9930
9931   MAX_ED_FIELDX = getMaxEdFieldX(FALSE);
9932   MAX_ED_FIELDY = getMaxEdFieldY(FALSE);
9933 }
9934
9935 static void InitDrawingElements(void)
9936 {
9937   static int game_engine_type_last = GAME_ENGINE_TYPE_UNKNOWN;
9938
9939   if (level.game_engine_type == game_engine_type_last)
9940     return;
9941
9942   if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
9943   {
9944     new_element1 = EL_BD_WALL;
9945     new_element2 = EL_EMPTY;
9946     new_element3 = EL_BD_SAND;
9947   }
9948   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
9949   {
9950     new_element1 = EL_SP_CHIP_SINGLE;
9951     new_element2 = EL_EMPTY;
9952     new_element3 = EL_SP_BASE;
9953   }
9954   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
9955   {
9956     new_element1 = EL_MM_MIRROR_START;
9957     new_element2 = EL_EMPTY;
9958     new_element3 = EL_MM_WOODEN_WALL;
9959   }
9960   else
9961   {
9962     new_element1 = EL_WALL;
9963     new_element2 = EL_EMPTY;
9964     new_element3 = EL_SAND;
9965   }
9966
9967   game_engine_type_last = level.game_engine_type;
9968 }
9969
9970 static void InitLevelSetInfo(void)
9971 {
9972   snprintf(levelset_name,   MAX_LEVEL_NAME_LEN + 1,
9973            "%s", leveldir_current->name);
9974   snprintf(levelset_author, MAX_LEVEL_AUTHOR_LEN + 1,
9975            "%s", leveldir_current->author);
9976
9977   levelset_num_levels = leveldir_current->levels;
9978
9979   levelset_use_levelset_artwork = FALSE;
9980   levelset_copy_level_template = FALSE;
9981
9982   levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
9983 }
9984
9985 static void ChangeEditorToLevelSet(char *levelset_subdir)
9986 {
9987   leveldir_current = getTreeInfoFromIdentifier(leveldir_first, levelset_subdir);
9988
9989   // the previous level set might have used custom artwork
9990   ReloadCustomArtwork(0);
9991
9992   LoadLevelSetup_SeriesInfo();
9993
9994   SaveLevelSetup_LastSeries();
9995   SaveLevelSetup_SeriesInfo();
9996
9997   TapeErase();
9998
9999   LoadLevel(level_nr);
10000   LoadScore(level_nr);
10001
10002   DrawLevelEd();
10003 }
10004
10005 static boolean useEditorDoorAnimation(void)
10006 {
10007   struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
10008   boolean door_1_viewport_unchanged =
10009     (vp_door_1->x      == DX     &&
10010      vp_door_1->y      == DY     &&
10011      vp_door_1->width  == DXSIZE &&
10012      vp_door_1->height == DYSIZE);
10013   boolean door_1_contains_toolbox =
10014     (EX >= DX &&
10015      EY >= DY &&
10016      EX + EXSIZE <= DX + DXSIZE &&
10017      EY + EYSIZE <= DY + DYSIZE);
10018
10019   return (door_1_viewport_unchanged && door_1_contains_toolbox);
10020 }
10021
10022 static void DrawEditorDoorBackground(int graphic, int x, int y,
10023                                      int width, int height)
10024 {
10025   struct GraphicInfo *g = &graphic_info[graphic];
10026
10027   if (g->bitmap != NULL)
10028     BlitBitmap(g->bitmap, drawto, g->src_x, g->src_y,
10029                MIN(width, g->width), MIN(height, g->height), x, y);
10030   else
10031     ClearRectangle(drawto, x, y, width, height);
10032 }
10033
10034 static void DrawEditorDoorContent(void)
10035 {
10036   // needed for gadgets drawn on background (like palette scrollbar)
10037   SetDoorBackgroundImage(IMG_UNDEFINED);
10038
10039   // copy default editor door content to main double buffer
10040   DrawEditorDoorBackground(IMG_BACKGROUND_PALETTE, DX, DY, DXSIZE, DYSIZE);
10041
10042   // draw bigger door
10043   DrawSpecialEditorDoor();
10044
10045   // draw new control window
10046   DrawEditorDoorBackground(IMG_BACKGROUND_TOOLBOX, EX, EY, EXSIZE, EYSIZE);
10047
10048   // draw all toolbox gadgets to editor doors
10049   MapControlButtons();
10050
10051   // when returning from test game to properties page, redraw toolbox gadgets
10052   if (edit_mode == ED_MODE_PROPERTIES)
10053   {
10054     UnmapLevelEditorToolboxDrawingGadgets();
10055     UnmapLevelEditorToolboxCustomGadgets();
10056
10057     MapLevelEditorToolboxCustomGadgetsIfNeeded();
10058   }
10059
10060   // draw all palette gadgets to editor doors
10061   ModifyEditorElementList();
10062   RedrawDrawingElements();
10063
10064   // copy actual editor door content to door double buffer for OpenDoor()
10065   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
10066 }
10067
10068 void DrawLevelEd(void)
10069 {
10070   int fade_mask = REDRAW_FIELD;
10071
10072   FadeSoundsAndMusic();
10073
10074   if (CheckFadeAll())
10075     fade_mask = REDRAW_ALL;
10076
10077   FadeOut(fade_mask);
10078
10079   // needed if different viewport properties defined for editor
10080   ChangeViewportPropertiesIfNeeded();
10081
10082   ClearField();
10083
10084   InitZoomLevelSettings(-1);
10085   InitDrawingElements();
10086   InitLevelSetInfo();
10087
10088 #if DEBUG
10089   CheckElementDescriptions();
10090 #endif
10091
10092   if (level_editor_test_game)
10093   {
10094     CopyPlayfield(level.field, Tile);
10095     CopyPlayfield(TileBackup, level.field);
10096
10097     level_editor_test_game = FALSE;
10098   }
10099   else
10100   {
10101     edit_mode = ED_MODE_DRAWING;
10102     edit_mode_levelconfig = ED_MODE_LEVELCONFIG_LEVEL;
10103     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
10104
10105     ResetUndoBuffer();
10106
10107     level_xpos = -1;
10108     level_ypos = -1;
10109   }
10110
10111   // redraw_mask |= REDRAW_ALL;
10112
10113   FreeLevelEditorGadgets();
10114   CreateLevelEditorGadgets();
10115
10116   ReinitializeElementList();            // update dynamic level element list
10117   ReinitializeElementListButtons();     // custom element may look different
10118
10119   InitElementPropertiesGfxElement();
10120
10121   UnmapAllGadgets();
10122
10123   DrawEditModeWindow_PlayfieldOnly();
10124
10125   DrawMaskedBorder(fade_mask);
10126
10127   // use door animation if door 1 viewport is unchanged and contains toolbox
10128   if (useEditorDoorAnimation())
10129   {
10130     FadeIn(fade_mask);
10131
10132     DrawEditorDoorContent();
10133
10134     OpenDoor(DOOR_OPEN_1 | DOOR_FORCE_ANIM);
10135   }
10136   else
10137   {
10138     DrawEditorDoorContent();
10139
10140     FadeIn(fade_mask);
10141   }
10142
10143   SetDoorState(DOOR_OPEN_1 | DOOR_OPEN_2);
10144 }
10145
10146 static void AdjustDrawingAreaGadgets(void)
10147 {
10148   int ed_xsize = lev_fieldx + 2;
10149   int ed_ysize = lev_fieldy + 2;
10150   int max_ed_fieldx = MAX_ED_FIELDX;
10151   int max_ed_fieldy = MAX_ED_FIELDY;
10152   boolean horizontal_scrollbar_needed;
10153   boolean vertical_scrollbar_needed;
10154   int x, y, width, height;
10155
10156   if (suppressBorderElement())
10157   {
10158     ed_xsize = lev_fieldx;
10159     ed_ysize = lev_fieldy;
10160   }
10161
10162   // check if we need any scrollbars
10163   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
10164   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
10165
10166   // check if we have a smaller editor field because of scrollbars
10167   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
10168   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
10169
10170   // check again if we now need more scrollbars because of less space
10171   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
10172   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
10173
10174   // check if editor field gets even smaller after adding new scrollbars
10175   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
10176   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
10177
10178   ed_fieldx = (ed_xsize > max_ed_fieldx ? max_ed_fieldx : ed_xsize);
10179   ed_fieldy = (ed_ysize > max_ed_fieldy ? max_ed_fieldy : ed_ysize);
10180
10181   x = SX + ed_fieldx * ed_tilesize;
10182   y = SY + ed_fieldy * ed_tilesize;
10183
10184   width  = ed_fieldx * ed_tilesize - 2 * ED_SCROLLBUTTON_XSIZE;
10185   height = ed_fieldy * ed_tilesize - 2 * ED_SCROLLBUTTON_YSIZE;
10186
10187   // adjust drawing area gadget
10188   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
10189                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
10190                GDI_ITEM_SIZE, ed_tilesize, ed_tilesize,
10191                GDI_END);
10192
10193   // adjust horizontal scrollbar gadgets
10194   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LEFT],
10195                GDI_Y, y,
10196                GDI_END);
10197   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT],
10198                GDI_X, x - ED_SCROLLBUTTON_XSIZE,
10199                GDI_Y, y,
10200                GDI_END);
10201   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
10202                GDI_Y, y,
10203                GDI_WIDTH, width,
10204                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
10205                GDI_END);
10206
10207   // adjust vertical scrollbar gadgets
10208   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_UP],
10209                GDI_X, x,
10210                GDI_END);
10211   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN],
10212                GDI_X, x,
10213                GDI_Y, y - ED_SCROLLBUTTON_YSIZE,
10214                GDI_END);
10215   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
10216                GDI_X, x,
10217                GDI_HEIGHT, height,
10218                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
10219                GDI_END);
10220 }
10221
10222 static void AdjustLevelScrollPosition(void)
10223 {
10224   if (level_xpos < -1)
10225     level_xpos = -1;
10226   if (level_xpos > lev_fieldx - ed_fieldx + 1)
10227     level_xpos = lev_fieldx - ed_fieldx + 1;
10228   if (lev_fieldx < ed_fieldx - 2)
10229     level_xpos = -1;
10230
10231   if (level_ypos < -1)
10232     level_ypos = -1;
10233   if (level_ypos > lev_fieldy - ed_fieldy + 1)
10234     level_ypos = lev_fieldy - ed_fieldy + 1;
10235   if (lev_fieldy < ed_fieldy - 2)
10236     level_ypos = -1;
10237
10238   if (suppressBorderElement())
10239   {
10240     level_xpos = 0;
10241     level_ypos = 0;
10242   }
10243 }
10244
10245 static void AdjustEditorScrollbar(int id)
10246 {
10247   struct GadgetInfo *gi = level_editor_gadget[id];
10248   int items_max, items_visible, item_position;
10249
10250   if (id == GADGET_ID_SCROLL_HORIZONTAL)
10251   {
10252     items_max = MAX(lev_fieldx + 2, ed_fieldx);
10253     items_visible = ed_fieldx;
10254     item_position = level_xpos + 1;
10255   }
10256   else
10257   {
10258     items_max = MAX(lev_fieldy + 2, ed_fieldy);
10259     items_visible = ed_fieldy;
10260     item_position = level_ypos + 1;
10261   }
10262
10263   if (item_position > items_max - items_visible)
10264     item_position = items_max - items_visible;
10265
10266   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
10267                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
10268 }
10269
10270 static void AdjustElementListScrollbar(void)
10271 {
10272   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
10273   int items_max, items_visible, item_position;
10274
10275   // correct position of element list scrollbar
10276   if (element_shift < 0)
10277     element_shift = 0;
10278   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
10279     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
10280
10281   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
10282   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
10283   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
10284
10285   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
10286                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
10287                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
10288 }
10289
10290 static void ModifyEditorCounterValue(int counter_id, int new_value)
10291 {
10292   int *counter_value = counterbutton_info[counter_id].value;
10293   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
10294   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10295
10296   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
10297
10298   if (counter_value != NULL)
10299     *counter_value = gi->textinput.number_value;
10300 }
10301
10302 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
10303 {
10304   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
10305   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10306
10307   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
10308
10309   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
10310       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
10311   {
10312     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
10313     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
10314
10315     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
10316     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_SMALL_DISTANCE,
10317                  GDI_END);
10318   }
10319 }
10320
10321 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
10322 {
10323   int gadget_id = selectbox_info[selectbox_id].gadget_id;
10324   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10325   int new_index_value = setSelectboxValue(selectbox_id, new_value);
10326
10327   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
10328 }
10329
10330 static void ModifyEditorSelectboxOptions(int selectbox_id,
10331                                          struct ValueTextInfo *options)
10332 {
10333   int gadget_id = selectbox_info[selectbox_id].gadget_id;
10334   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10335
10336   selectbox_info[selectbox_id].options = options;
10337
10338   // set index to zero -- list may be shorter now (correct later, if needed)
10339   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
10340                GDI_SELECTBOX_OPTIONS, options, GDI_END);
10341 }
10342
10343 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
10344 {
10345   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
10346   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10347
10348   drawingarea_info[drawingarea_id].area_xsize = xsize;
10349   drawingarea_info[drawingarea_id].area_ysize = ysize;
10350
10351   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
10352 }
10353
10354 static void ModifyEditorElementList(void)
10355 {
10356   int i;
10357
10358   if (!use_permanent_palette && edit_mode != ED_MODE_PALETTE)
10359     return;
10360
10361   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
10362   {
10363     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
10364     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10365     struct GadgetDesign *gd = &gi->deco.design;
10366     int element = editor_elements[element_shift + i];
10367     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
10368
10369     UnmapGadget(gi);
10370
10371     getEditorGraphicSource(element, tile_size, &gd->bitmap, &gd->x, &gd->y);
10372
10373     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
10374
10375     MapGadget(gi);
10376   }
10377 }
10378
10379 static void DrawDrawingElementGraphic(int element, struct XYTileSize *pos)
10380 {
10381   int graphic = el2edimg(element);
10382   int tile_size = BUTTON_TILE_SIZE(pos->tile_size);
10383
10384   if (pos->x == -1 &&
10385       pos->y == -1)
10386     return;
10387
10388   DrawSizedGraphicExt(drawto, DX + pos->x, DY + pos->y, graphic, 0, tile_size);
10389 }
10390
10391 static void ModifyDrawingElementButton(int element, int id)
10392 {
10393   struct GadgetInfo *gi = level_editor_gadget[id];
10394   Bitmap *deco_bitmap;
10395   int deco_x, deco_y;
10396   int tile_size = gi->deco.width;
10397
10398   getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
10399
10400   ModifyGadget(gi, GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y, GDI_END);
10401 }
10402
10403 static void PickDrawingElement(int button, int element)
10404 {
10405   struct
10406   {
10407     int *new_element;
10408     struct XYTileSize *pos;
10409     int id;
10410   } de, drawing_elements[] =
10411   {
10412     { &new_element1, &editor.palette.element_left,   GADGET_ID_ELEMENT_LEFT   },
10413     { &new_element2, &editor.palette.element_middle, GADGET_ID_ELEMENT_MIDDLE },
10414     { &new_element3, &editor.palette.element_right,  GADGET_ID_ELEMENT_RIGHT  },
10415   };
10416
10417   if (button < 1 || button > 3)
10418     return;
10419
10420   if (IS_MM_WALL(element))
10421     element = map_mm_wall_element(element);
10422
10423   de = drawing_elements[button - 1];
10424
10425   *de.new_element = element;    // update global drawing element variable
10426
10427   DrawDrawingElementGraphic(element, de.pos);
10428   ModifyDrawingElementButton(element, de.id);
10429
10430   redraw_mask |= REDRAW_DOOR_1;
10431 }
10432
10433 static void RedrawDrawingElements(void)
10434 {
10435   PickDrawingElement(1, new_element1);
10436   PickDrawingElement(2, new_element2);
10437   PickDrawingElement(3, new_element3);
10438 }
10439
10440 static void DrawDrawingWindowExt(boolean remap_toolbox_gadgets)
10441 {
10442   stick_element_properties_window = FALSE;
10443
10444   SetMainBackgroundImage(IMG_UNDEFINED);
10445   ClearField();
10446
10447   UnmapLevelEditorFieldGadgets();
10448
10449   AdjustDrawingAreaGadgets();
10450   AdjustLevelScrollPosition();
10451   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
10452   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
10453
10454   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10455
10456   MapMainDrawingArea();
10457
10458   if (remap_toolbox_gadgets)
10459   {
10460     UnmapLevelEditorToolboxCustomGadgets();
10461     MapLevelEditorToolboxDrawingGadgets();
10462   }
10463 }
10464
10465 static void DrawDrawingWindow(void)
10466 {
10467   DrawDrawingWindowExt(TRUE);
10468 }
10469
10470 static int getTabulatorBarWidth(void)
10471 {
10472   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
10473   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
10474
10475   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
10476 }
10477
10478 static int getTabulatorBarHeight(void)
10479 {
10480   return ED_TAB_BAR_HEIGHT;
10481 }
10482
10483 static Pixel getTabulatorBarColor(void)
10484 {
10485   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELCONFIG_LEVEL];
10486   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
10487   int gd_x = gd->x + gd_gi1->border.width / 2;
10488   int gd_y = gd->y + gd_gi1->height - 1;
10489
10490   return GetPixel(gd->bitmap, gd_x, gd_y);
10491 }
10492
10493 static void DrawLevelConfigTabulatorGadgets(void)
10494 {
10495   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELCONFIG_LEVEL];
10496   Pixel tab_color = getTabulatorBarColor();
10497   int id_first = ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL;
10498   int id_last  = ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR;
10499   int i;
10500
10501   // draw additional "engine" tabulator when using native BD engine
10502   if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
10503     id_last = ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE;
10504
10505   for (i = id_first; i <= id_last; i++)
10506   {
10507     int gadget_id = textbutton_info[i].gadget_id;
10508     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10509     boolean active = (i != edit_mode_levelconfig);
10510
10511     // draw background line below tabulator button
10512     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
10513
10514     // draw solid line below inactive tabulator buttons
10515     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
10516       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
10517                     ED_GADGET_TINY_DISTANCE, tab_color);
10518
10519     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
10520     MapTextbuttonGadget(i);
10521   }
10522
10523   // draw little border line below tabulator buttons
10524   if (tab_color != BLACK_PIXEL)                 // black => transparent
10525     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
10526                   ED_GADGET_TINY_DISTANCE,
10527                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
10528 }
10529
10530 static void DrawPropertiesTabulatorGadgets(void)
10531 {
10532   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
10533   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
10534   int gd_x = gd->x + gd_gi1->border.width / 2;
10535   int gd_y = gd->y + gd_gi1->height - 1;
10536   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
10537   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
10538   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
10539   int i;
10540
10541   // draw two config tabulators for player elements
10542   if (IS_PLAYER_ELEMENT(properties_element))
10543     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
10544
10545   // draw two config and one "change" tabulator for custom elements
10546   if (IS_CUSTOM_ELEMENT(properties_element))
10547     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
10548
10549   for (i = id_first; i <= id_last; i++)
10550   {
10551     int gadget_id = textbutton_info[i].gadget_id;
10552     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10553     boolean active = (i != edit_mode_properties);
10554
10555     // use "config 1" and "config 2" instead of "config" for players and CEs
10556     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
10557         (IS_PLAYER_ELEMENT(properties_element) ||
10558          IS_CUSTOM_ELEMENT(properties_element)))
10559       continue;
10560
10561     // draw background line below tabulator button
10562     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
10563
10564     // draw solid line below inactive tabulator buttons
10565     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
10566       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
10567                     ED_GADGET_TINY_DISTANCE, tab_color);
10568
10569     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
10570     MapTextbuttonGadget(i);
10571   }
10572
10573   // draw little border line below tabulator buttons
10574   if (tab_color != BLACK_PIXEL)                 // black => transparent
10575     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
10576                   ED_GADGET_TINY_DISTANCE,
10577                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
10578 }
10579
10580 static void PrintInfoText(char *text, int font_nr, int xpos, int ypos)
10581 {
10582   DrawText(SX + xpos, SY + ypos, text, font_nr);
10583 }
10584
10585 static int PrintElementDescriptionFromFile(char *filename, int font_nr,
10586                                            int xpos, int ypos)
10587 {
10588   int font_width = getFontWidth(font_nr);
10589   int font_height = getFontHeight(font_nr);
10590   int max_chars_per_line = (SXSIZE - 2 * xpos) / font_width;
10591   int max_lines_drawable = (SYSIZE - ypos) / font_height - 1;
10592
10593   return DrawTextFile(SX + xpos, SY + ypos, filename, font_nr,
10594                       max_chars_per_line, -1, max_lines_drawable, 0, -1,
10595                       TRUE, FALSE, FALSE);
10596 }
10597
10598 static void DrawLevelConfigLevel(void)
10599 {
10600   int i;
10601
10602   // draw counter gadgets
10603   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
10604     MapCounterButtons(i);
10605
10606   // draw checkbutton gadgets
10607   for (i = ED_CHECKBUTTON_ID_LEVEL_FIRST; i<= ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
10608     MapCheckbuttonGadget(i);
10609
10610   // draw selectbox gadgets
10611   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
10612     MapSelectboxGadget(i);
10613
10614   // draw text input gadgets
10615   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
10616     MapTextInputGadget(i);
10617 }
10618
10619 static char *getLevelSubdirFromSaveMode(int save_mode)
10620 {
10621   if (save_mode == LEVELSET_SAVE_MODE_CREATE)
10622     return getNewUserLevelSubdir();
10623
10624   return leveldir_current->subdir;
10625 }
10626
10627 static void DrawLevelConfigLevelSet_DirectoryInfo(void)
10628 {
10629   char *directory_text = "Level set directory:";
10630   char *directory_name = getLevelSubdirFromSaveMode(levelset_save_mode);
10631   int font1_nr = FONT_TEXT_1;
10632   int font2_nr = FONT_TEXT_2;
10633   int font1_height = getFontHeight(font1_nr);
10634   int yoffset_above = font1_height + ED_GADGET_LINE_DISTANCE;
10635   int x = ED_LEVEL_SETTINGS_X(0);
10636   int y = ED_LEVEL_SETTINGS_Y(6);
10637
10638   PrintInfoText(directory_text, font1_nr, x, y - yoffset_above);
10639   PrintInfoText(directory_name, font2_nr, x, y);
10640 }
10641
10642 static void DrawLevelConfigLevelSet(void)
10643 {
10644   boolean artwork_exists = checkIfCustomArtworkExistsForCurrentLevelSet();
10645   boolean template_exists = fileExists(getLocalLevelTemplateFilename());
10646   int i;
10647
10648   // draw counter gadgets
10649   for (i = ED_COUNTER_ID_LEVELSET_FIRST; i <= ED_COUNTER_ID_LEVELSET_LAST; i++)
10650     MapCounterButtons(i);
10651
10652   // draw checkbutton gadgets
10653   for (i = ED_CHECKBUTTON_ID_LEVELSET_FIRST; i <= ED_CHECKBUTTON_ID_LEVELSET_LAST; i++)
10654   {
10655     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE ||
10656         (i == ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK && !artwork_exists) ||
10657         (i == ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE  && !template_exists))
10658       continue;
10659
10660     MapCheckbuttonGadget(i);
10661   }
10662
10663   // draw selectbox gadgets
10664   for (i = ED_SELECTBOX_ID_LEVELSET_FIRST; i <= ED_SELECTBOX_ID_LEVELSET_LAST; i++)
10665     MapSelectboxGadget(i);
10666
10667   // draw text input gadgets
10668   for (i = ED_TEXTINPUT_ID_LEVELSET_FIRST; i <= ED_TEXTINPUT_ID_LEVELSET_LAST; i++)
10669     MapTextInputGadget(i);
10670
10671   // draw textbutton gadgets
10672   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_LEVELSET);
10673
10674   // draw info text
10675   DrawLevelConfigLevelSet_DirectoryInfo();
10676 }
10677
10678 static void DrawLevelConfigEditor(void)
10679 {
10680   int i;
10681
10682   // draw counter gadgets
10683   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
10684     MapCounterButtons(i);
10685
10686   // draw checkbutton gadgets
10687   for (i = ED_CHECKBUTTON_ID_EDITOR_FIRST; i <= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
10688     MapCheckbuttonGadget(i);
10689
10690   // draw radiobutton gadgets
10691   for (i = ED_RADIOBUTTON_ID_EDITOR_FIRST; i <= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
10692     MapRadiobuttonGadget(i);
10693
10694   // draw drawing area
10695   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
10696
10697   // draw textbutton gadgets
10698   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2);
10699 }
10700
10701 static void DrawLevelConfigEngine(void)
10702 {
10703   int i;
10704
10705   // draw counter gadgets
10706   if (level.bd_scheduling_type == GD_SCHEDULING_MILLISECONDS)
10707   {
10708     MapCounterButtons(ED_COUNTER_ID_BD_CYCLE_DELAY_MS);
10709     MapCounterButtons(ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES);
10710   }
10711   else
10712   {
10713     MapCounterButtons(ED_COUNTER_ID_BD_CYCLE_DELAY_C64);
10714     MapCounterButtons(ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS);
10715   }
10716
10717   // draw checkbutton gadgets
10718   for (i = ED_CHECKBUTTON_ID_ENGINE_FIRST; i <= ED_CHECKBUTTON_ID_ENGINE_LAST; i++)
10719     MapCheckbuttonGadget(i);
10720
10721   // draw selectbox gadgets
10722   for (i = ED_SELECTBOX_ID_ENGINE_FIRST; i <= ED_SELECTBOX_ID_ENGINE_LAST; i++)
10723     MapSelectboxGadget(i);
10724 }
10725
10726 static void DrawLevelConfigWindow(void)
10727 {
10728   char *text = "Global Settings";
10729   int font_nr = FONT_TITLE_1;
10730   struct MenuPosInfo *pos = &editor.settings.headline;
10731   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font_nr), pos->align);
10732   int sy = SY + pos->y;
10733
10734   stick_element_properties_window = FALSE;
10735
10736   SetAutomaticNumberOfGemsNeeded();
10737
10738   UnmapLevelEditorFieldGadgets();
10739
10740   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
10741   ClearField();
10742
10743   DrawText(sx, sy, text, font_nr);
10744
10745   DrawLevelConfigTabulatorGadgets();
10746
10747   if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_LEVEL)
10748     DrawLevelConfigLevel();
10749   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_LEVELSET)
10750     DrawLevelConfigLevelSet();
10751   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_EDITOR)
10752     DrawLevelConfigEditor();
10753   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_ENGINE)
10754     DrawLevelConfigEngine();
10755 }
10756
10757 static void DrawCustomContentArea(void)
10758 {
10759   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
10760   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
10761   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
10762   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
10763   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
10764   int xoffset = ED_GADGET_SPACE_DISTANCE;
10765
10766   // add distance for potential left text (without drawing area border)
10767   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
10768
10769   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
10770
10771   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
10772 }
10773
10774 static void DrawCustomChangeContentArea(void)
10775 {
10776   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
10777   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
10778   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
10779   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
10780   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
10781   int xoffset = ED_GADGET_SPACE_DISTANCE;
10782
10783   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
10784
10785   MapDrawingArea(id);
10786 }
10787
10788 static void RemoveElementContentArea(int id, int font_height)
10789 {
10790   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10791
10792   DrawBackground(SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size,
10793                  SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size,
10794                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10795                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size +
10796                  ED_GADGET_TEXT_DISTANCE + font_height);
10797 }
10798
10799 static void DrawYamYamContentAreas(void)
10800 {
10801   int font_nr = FONT_TEXT_1;
10802   int font_height = getFontHeight(font_nr);
10803   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
10804   int yoffset = (tilesize - font_height) / 2;
10805   int x = SX + ED_AREA_YAMYAM_CONTENT_X(3) + 4 * tilesize;
10806   int y = SY + ED_AREA_YAMYAM_CONTENT_Y(3) + yoffset;
10807   int i;
10808
10809   // display counter to choose number of element content areas
10810   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
10811
10812   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
10813   {
10814     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
10815
10816     if (i < level.num_yamyam_contents)
10817     {
10818       MapDrawingArea(id);
10819     }
10820     else
10821     {
10822       UnmapDrawingArea(id);
10823
10824       // delete content areas in case of reducing number of them
10825       RemoveElementContentArea(id, font_height);
10826     }
10827   }
10828
10829   DrawText(x, y + 0 * tilesize, "content", font_nr);
10830   DrawText(x, y + 1 * tilesize, "when",    font_nr);
10831   DrawText(x, y + 2 * tilesize, "smashed", font_nr);
10832 }
10833
10834 static void DrawMagicBallContentAreas(void)
10835 {
10836   int font_nr = FONT_TEXT_1;
10837   int font_height = getFontHeight(font_nr);
10838   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
10839   int yoffset = (tilesize - font_height) / 2;
10840   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_X(3) + 4 * tilesize;
10841   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_Y(3) + yoffset;
10842   int i;
10843
10844   // display counter to choose number of element content areas
10845   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
10846
10847   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
10848   {
10849     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
10850
10851     if (i < level.num_ball_contents)
10852     {
10853       MapDrawingArea(id);
10854     }
10855     else
10856     {
10857       UnmapDrawingArea(id);
10858
10859       // delete content areas in case of reducing number of them
10860       RemoveElementContentArea(id, font_height);
10861     }
10862   }
10863
10864   DrawText(x, y + 0 * tilesize, "generated", font_nr);
10865   DrawText(x, y + 1 * tilesize, "when",      font_nr);
10866   DrawText(x, y + 2 * tilesize, "active",    font_nr);
10867 }
10868
10869 static void DrawAndroidElementArea(void)
10870 {
10871   int id = ED_DRAWING_ID_ANDROID_CONTENT;
10872   int num_elements = level.num_android_clone_elements;
10873   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10874   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
10875   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
10876   int xsize = MAX_ANDROID_ELEMENTS;
10877   int ysize = 1;
10878
10879   // display counter to choose number of element areas
10880   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
10881
10882   if (drawingarea_info[id].text_left != NULL)
10883     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
10884
10885   UnmapDrawingArea(id);
10886
10887   ModifyEditorDrawingArea(id, num_elements, 1);
10888
10889   // delete content areas in case of reducing number of them
10890   DrawBackground(sx, sy,
10891                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10892                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
10893
10894   MapDrawingArea(id);
10895 }
10896
10897 static void DrawGroupElementArea(void)
10898 {
10899   int id = ED_DRAWING_ID_GROUP_CONTENT;
10900   int num_elements = group_element_info.num_elements;
10901   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10902   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
10903   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
10904   int xsize = MAX_ELEMENTS_IN_GROUP;
10905   int ysize = 1;
10906
10907   if (drawingarea_info[id].text_left != NULL)
10908     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
10909
10910   UnmapDrawingArea(id);
10911
10912   ModifyEditorDrawingArea(id, num_elements, 1);
10913
10914   // delete content areas in case of reducing number of them
10915   DrawBackground(sx, sy,
10916                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10917                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
10918
10919   MapDrawingArea(id);
10920 }
10921
10922 static void DrawPlayerInitialInventoryArea(int element)
10923 {
10924   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
10925   int player_nr = GET_PLAYER_NR(element);
10926   int num_elements = level.initial_inventory_size[player_nr];
10927   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10928   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
10929   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
10930   int xsize = MAX_INITIAL_INVENTORY_SIZE;
10931   int ysize = 1;
10932
10933   // determine horizontal position to the right of specified gadget
10934   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
10935     sx = (right_gadget_border[drawingarea_info[id].gadget_id_align] +
10936           ED_DRAWINGAREA_TEXT_DISTANCE);
10937
10938   // determine horizontal offset for leading text
10939   if (drawingarea_info[id].text_left != NULL)
10940     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
10941
10942   UnmapDrawingArea(id);
10943
10944   ModifyEditorDrawingArea(id, num_elements, 1);
10945
10946   // delete content areas in case of reducing number of them
10947   DrawBackground(sx, sy,
10948                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10949                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
10950
10951   MapDrawingArea(id);
10952 }
10953
10954 static void DrawMMBallContentArea(void)
10955 {
10956   int id = ED_DRAWING_ID_MM_BALL_CONTENT;
10957   int num_elements = level.num_mm_ball_contents;
10958   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10959   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
10960   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
10961   int xsize = MAX_MM_BALL_CONTENTS;
10962   int ysize = 1;
10963
10964   if (drawingarea_info[id].text_left != NULL)
10965     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
10966
10967   UnmapDrawingArea(id);
10968
10969   ModifyEditorDrawingArea(id, num_elements, 1);
10970
10971   // delete content areas in case of reducing number of them
10972   DrawBackground(sx, sy,
10973                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10974                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
10975
10976   MapDrawingArea(id);
10977 }
10978
10979 static void DrawEnvelopeTextArea(int envelope_nr)
10980 {
10981   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
10982   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
10983
10984   UnmapGadget(gi);
10985
10986   DrawBackground(gi->x, gi->y,
10987                  gi->textarea.crop_width, gi->textarea.crop_height);
10988
10989   if (envelope_nr != -1)
10990     textarea_info[id].value = level.envelope[envelope_nr].text;
10991
10992   ModifyGadget(gi, GDI_AREA_SIZE,
10993                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
10994                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
10995                GDI_END);
10996
10997   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
10998 }
10999
11000 static void DrawPropertiesInfo(void)
11001 {
11002   static struct
11003   {
11004     int value;
11005     char *text;
11006   }
11007   properties[] =
11008   {
11009     // configurable properties
11010
11011     { EP_WALKABLE_OVER,         "- player can walk over it"             },
11012     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
11013     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
11014     { EP_PASSABLE_OVER,         "- player can pass over it"             },
11015     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
11016     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
11017     { EP_PROTECTED,             "- player is protected by it"           },
11018
11019     { EP_DIGGABLE,              "- can be digged away"                  },
11020     { EP_COLLECTIBLE,           "- can be collected"                    },
11021     { EP_DROPPABLE,             "- can be dropped after collecting"     },
11022     { EP_THROWABLE,             "- can be thrown after collecting"      },
11023     { EP_PUSHABLE,              "- can be pushed"                       },
11024
11025     { EP_CAN_FALL,              "- can fall"                            },
11026     { EP_CAN_MOVE,              "- can move"                            },
11027
11028     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
11029 #if 0
11030     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
11031 #endif
11032     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
11033
11034     { EP_SLIPPERY,              "- slippery for falling elements"       },
11035     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
11036
11037     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
11038     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
11039     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
11040     { EP_DONT_TOUCH,            "- deadly when touching"                },
11041
11042     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
11043
11044     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
11045     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
11046     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
11047
11048     { EP_CAN_CHANGE,            "- can change to other element"         },
11049
11050     // pre-defined properties
11051     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
11052     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
11053     { EP_SWITCHABLE,            "- can be switched"                     },
11054 #if 0
11055     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
11056 #endif
11057
11058     { -1,                       NULL                                    }
11059   };
11060   char *filename = getElementDescriptionFilename(properties_element);
11061   char *num_elements_text = "In this level: ";
11062   char *num_similar_text = "Similar tiles: ";
11063   char *properties_text = "Standard properties: ";
11064   char *description_text = "Description:";
11065   char *no_description_text = "No description available.";
11066   char *none_text = "None";
11067   float percentage;
11068   int num_elements_in_level = 0;
11069   int num_similar_in_level = 0;
11070   int num_hires_tiles_in_level = 0;
11071   int num_standard_properties = 0;
11072   int font1_nr = FONT_TEXT_1;
11073   int font2_nr = FONT_TEXT_2;
11074   int font1_width = getFontWidth(font1_nr);
11075   int font1_height = getFontHeight(font1_nr);
11076   int font2_height = getFontHeight(font2_nr);
11077   int line1_height = font1_height + ED_GADGET_LINE_DISTANCE;
11078   int font2_yoffset = (font1_height - font2_height) / 2;
11079   int num_elements_text_len = strlen(num_elements_text) * font1_width;
11080   int num_similar_text_len = strlen(num_similar_text) * font1_width;
11081   int properties_text_len = strlen(properties_text) * font1_width;
11082   int xpos = ED_ELEMENT_SETTINGS_X(0);
11083   int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
11084   int i, x, y;
11085
11086   if (setup.editor.show_element_token)
11087   {
11088     int font3_nr = FONT_TEXT_3;
11089     int font3_height = getFontHeight(font3_nr);
11090
11091     DrawTextF(xpos, ypos, font3_nr,
11092               "[%s]", element_info[properties_element].token_name);
11093
11094     ypos += 2 * font3_height;
11095   }
11096
11097   // ----- print number of elements / percentage of this element in level
11098
11099   for (y = 0; y < lev_fieldy; y++)
11100   {
11101     for (x = 0; x < lev_fieldx; x++)
11102     {
11103       if (Tile[x][y] == properties_element)
11104       {
11105         num_elements_in_level++;
11106       }
11107       else if (IS_MM_WALL(Tile[x][y]) &&
11108                map_mm_wall_element(Tile[x][y]) == properties_element)
11109       {
11110         num_hires_tiles_in_level += numHiresTiles(Tile[x][y]);
11111       }
11112     }
11113   }
11114
11115   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
11116
11117   DrawTextS(xpos, ypos, font1_nr, num_elements_text);
11118
11119   if (num_hires_tiles_in_level > 0)
11120     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
11121               "%d wall tiles", num_hires_tiles_in_level);
11122   else if (num_elements_in_level > 0)
11123     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
11124               "%d (%.2f %%)", num_elements_in_level, percentage);
11125   else
11126     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
11127               none_text);
11128
11129   // ----- print number of similar elements / percentage of them in level
11130
11131   for (y = 0; y < lev_fieldy; y++)
11132   {
11133     for (x = 0; x < lev_fieldx; x++)
11134     {
11135       if (strEqual(element_info[Tile[x][y]].class_name,
11136                    element_info[properties_element].class_name))
11137       {
11138         num_similar_in_level++;
11139       }
11140     }
11141   }
11142
11143   if (num_similar_in_level != num_elements_in_level)
11144   {
11145     ypos += 1 * MAX(font1_height, font2_height);
11146
11147     percentage = num_similar_in_level * 100.0 / (lev_fieldx * lev_fieldy);
11148
11149     DrawTextS(xpos, ypos, font1_nr, num_similar_text);
11150
11151     if (num_similar_in_level > 0)
11152       DrawTextF(xpos + num_similar_text_len, ypos + font2_yoffset, font2_nr,
11153                 "%d (%.2f %%)", num_similar_in_level, percentage);
11154     else
11155       DrawTextF(xpos + num_similar_text_len, ypos + font2_yoffset, font2_nr,
11156                 none_text);
11157   }
11158
11159   ypos += 2 * MAX(font1_height, font2_height);
11160
11161   // ----- print standard properties of this element
11162
11163   DrawTextS(xpos, ypos, font1_nr, properties_text);
11164
11165   ypos += line1_height;
11166
11167   for (i = 0; properties[i].value != -1; i++)
11168   {
11169     if (!HAS_PROPERTY(properties_element, properties[i].value))
11170       continue;
11171
11172     DrawTextS(xpos, ypos, font2_nr, properties[i].text);
11173
11174     ypos += font2_height;
11175
11176     num_standard_properties++;
11177   }
11178
11179   if (num_standard_properties == 0)
11180   {
11181     DrawTextS(xpos + properties_text_len, ypos - line1_height + font2_yoffset,
11182               font2_nr, none_text);
11183
11184     ypos -= (line1_height - font1_height);
11185   }
11186
11187   ypos += MAX(font1_height, font2_height);
11188
11189   // ----- print special description of this element
11190
11191   PrintInfoText(description_text, font1_nr, xpos, ypos);
11192
11193   ypos += line1_height;
11194
11195   if (PrintElementDescriptionFromFile(filename, font2_nr, xpos, ypos) == 0)
11196     PrintInfoText(no_description_text, font1_nr, xpos, ypos - line1_height);
11197 }
11198
11199 #define TEXT_COLLECTING         "Score for collecting"
11200 #define TEXT_COLLECTING_EXTRA   "Score for extra diamonds"
11201 #define TEXT_SMASHING           "Score for smashing"
11202 #define TEXT_SLURPING           "Score for slurping robot"
11203 #define TEXT_CRACKING           "Score for cracking"
11204 #define TEXT_AMOEBA_SPEED       "Speed of amoeba growth"
11205 #define TEXT_AMOEBA_THRESHOED   "Size for turning to rocks"
11206 #define TEXT_AMOEBA_SLOW_TIME   "Slow growth time (seconds)"
11207 #define TEXT_AMOEBA_SLOW_RATE   "Slow growth rate (percent)"
11208 #define TEXT_AMOEBA_FAST_RATE   "Fast growth rate (percent)"
11209 #define TEXT_DURATION           "Duration when activated"
11210 #define TEXT_DELAY_ON           "Delay before activating"
11211 #define TEXT_DELAY_OFF          "Delay before deactivating"
11212 #define TEXT_DELAY_CHANGING     "Delay before changing"
11213 #define TEXT_DELAY_EXPLODING    "Delay before exploding"
11214 #define TEXT_DELAY_MOVING       "Delay before moving"
11215 #define TEXT_BALL_DELAY         "Element generation delay"
11216 #define TEXT_MOVE_SPEED         "Speed of android moving"
11217 #define TEXT_CLONE_SPEED        "Speed of android cloning"
11218 #define TEXT_GAME_OF_LIFE_1     "Min neighbours to survive"
11219 #define TEXT_GAME_OF_LIFE_2     "Max neighbours to survive"
11220 #define TEXT_GAME_OF_LIFE_3     "Min neighbours to create"
11221 #define TEXT_GAME_OF_LIFE_4     "Max neighbours to create"
11222 #define TEXT_TIME_BONUS         "Extra time to solve level"
11223 #define TEXT_TIME_PENALTY       "Time penalty if destroyed"
11224 #define TEXT_PERMEABILITY_RATE  "slime permeability rate"
11225 #define TEXT_PERMEABILITY_BITS  "slime permeability bits"
11226 #define TEXT_RANDOM_SEED        "slime random number seed"
11227 #define TEXT_ACID_SPREAD_RATE   "Spread rate (percent)"
11228 #define TEXT_BITER_MOVE_DELAY   "Move delay (BD frames)"
11229 #define TEXT_REPLICATION_DELAY  "Create delay (BD frames)"
11230
11231 static struct
11232 {
11233   int element;
11234   int *value;
11235   char *text;
11236   int min_value;
11237   int max_value;
11238 } elements_with_counter[] =
11239 {
11240   { EL_EMERALD,                 &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11241   { EL_BD_DIAMOND,              &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11242   { EL_BD_DIAMOND,              &level.score[SC_DIAMOND_EXTRA],         TEXT_COLLECTING_EXTRA   },
11243   { EL_EMERALD_YELLOW,          &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11244   { EL_EMERALD_RED,             &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11245   { EL_EMERALD_PURPLE,          &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11246   { EL_SP_INFOTRON,             &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11247   { EL_DIAMOND,                 &level.score[SC_DIAMOND],               TEXT_COLLECTING         },
11248   { EL_CRYSTAL,                 &level.score[SC_CRYSTAL],               TEXT_COLLECTING         },
11249   { EL_PEARL,                   &level.score[SC_PEARL],                 TEXT_COLLECTING         },
11250   { EL_BUG,                     &level.score[SC_BUG],                   TEXT_SMASHING           },
11251   { EL_BUG_RIGHT,               &level.score[SC_BUG],                   TEXT_SMASHING           },
11252   { EL_BUG_UP,                  &level.score[SC_BUG],                   TEXT_SMASHING           },
11253   { EL_BUG_LEFT,                &level.score[SC_BUG],                   TEXT_SMASHING           },
11254   { EL_BUG_DOWN,                &level.score[SC_BUG],                   TEXT_SMASHING           },
11255   { EL_BD_BUTTERFLY,            &level.score[SC_BUG],                   TEXT_SMASHING           },
11256   { EL_BD_BUTTERFLY_RIGHT,      &level.score[SC_BUG],                   TEXT_SMASHING           },
11257   { EL_BD_BUTTERFLY_UP,         &level.score[SC_BUG],                   TEXT_SMASHING           },
11258   { EL_BD_BUTTERFLY_LEFT,       &level.score[SC_BUG],                   TEXT_SMASHING           },
11259   { EL_BD_BUTTERFLY_DOWN,       &level.score[SC_BUG],                   TEXT_SMASHING           },
11260   { EL_SP_ELECTRON,             &level.score[SC_BUG],                   TEXT_SMASHING           },
11261   { EL_SPACESHIP,               &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11262   { EL_SPACESHIP_RIGHT,         &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11263   { EL_SPACESHIP_UP,            &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11264   { EL_SPACESHIP_LEFT,          &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11265   { EL_SPACESHIP_DOWN,          &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11266   { EL_BD_FIREFLY,              &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11267   { EL_BD_FIREFLY_RIGHT,        &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11268   { EL_BD_FIREFLY_UP,           &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11269   { EL_BD_FIREFLY_LEFT,         &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11270   { EL_BD_FIREFLY_DOWN,         &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11271   { EL_SP_SNIKSNAK,             &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11272   { EL_YAMYAM,                  &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11273   { EL_YAMYAM_LEFT,             &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11274   { EL_YAMYAM_RIGHT,            &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11275   { EL_YAMYAM_UP,               &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11276   { EL_YAMYAM_DOWN,             &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11277   { EL_DARK_YAMYAM,             &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11278   { EL_ROBOT,                   &level.score[SC_ROBOT],                 TEXT_SMASHING           },
11279   { EL_PACMAN,                  &level.score[SC_PACMAN],                TEXT_SMASHING           },
11280   { EL_PACMAN_RIGHT,            &level.score[SC_PACMAN],                TEXT_SMASHING           },
11281   { EL_PACMAN_UP,               &level.score[SC_PACMAN],                TEXT_SMASHING           },
11282   { EL_PACMAN_LEFT,             &level.score[SC_PACMAN],                TEXT_SMASHING           },
11283   { EL_PACMAN_DOWN,             &level.score[SC_PACMAN],                TEXT_SMASHING           },
11284   { EL_NUT,                     &level.score[SC_NUT],                   TEXT_CRACKING           },
11285   { EL_DYNAMITE,                &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11286   { EL_EM_DYNAMITE,             &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11287   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11288   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11289   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11290   { EL_SHIELD_NORMAL,           &level.score[SC_SHIELD],                TEXT_COLLECTING         },
11291   { EL_SHIELD_DEADLY,           &level.score[SC_SHIELD],                TEXT_COLLECTING         },
11292   { EL_EXTRA_TIME,              &level.extra_time_score,                TEXT_COLLECTING         },
11293   { EL_KEY_1,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
11294   { EL_KEY_2,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
11295   { EL_KEY_3,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
11296   { EL_KEY_4,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
11297   { EL_EM_KEY_1,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
11298   { EL_EM_KEY_2,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
11299   { EL_EM_KEY_3,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
11300   { EL_EM_KEY_4,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
11301   { EL_EMC_KEY_5,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
11302   { EL_EMC_KEY_6,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
11303   { EL_EMC_KEY_7,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
11304   { EL_EMC_KEY_8,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
11305   { EL_DC_KEY_WHITE,            &level.score[SC_KEY],                   TEXT_COLLECTING         },
11306   { EL_MM_KETTLE,               &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11307   { EL_DF_CELL,                 &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11308   { EL_MM_KEY,                  &level.score[SC_KEY],                   TEXT_COLLECTING         },
11309   { EL_MM_LIGHTBALL,            &level.score[SC_ELEM_BONUS],            TEXT_COLLECTING         },
11310   { EL_MM_PACMAN,               &level.score[SC_PACMAN],                TEXT_SMASHING           },
11311   { EL_MM_PACMAN_RIGHT,         &level.score[SC_PACMAN],                TEXT_SMASHING           },
11312   { EL_MM_PACMAN_UP,            &level.score[SC_PACMAN],                TEXT_SMASHING           },
11313   { EL_MM_PACMAN_LEFT,          &level.score[SC_PACMAN],                TEXT_SMASHING           },
11314   { EL_MM_PACMAN_DOWN,          &level.score[SC_PACMAN],                TEXT_SMASHING           },
11315   { EL_AMOEBA_WET,              &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11316   { EL_AMOEBA_DRY,              &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11317   { EL_AMOEBA_FULL,             &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11318   { EL_BD_AMOEBA,               &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11319   { EL_EMC_DRIPPER,             &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11320   { EL_BD_AMOEBA,               &level.bd_amoeba_threshold_too_big,     TEXT_AMOEBA_THRESHOED   },
11321   { EL_BD_AMOEBA,               &level.bd_amoeba_slow_growth_time,      TEXT_AMOEBA_SLOW_TIME   },
11322   { EL_BD_AMOEBA,               &level.bd_amoeba_slow_growth_rate,      TEXT_AMOEBA_SLOW_RATE,
11323                                 0, 100                                                          },
11324   { EL_BD_AMOEBA,               &level.bd_amoeba_fast_growth_rate,      TEXT_AMOEBA_FAST_RATE,
11325                                 0, 100                                                          },
11326   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_threshold_too_big,   TEXT_AMOEBA_THRESHOED   },
11327   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_slow_growth_time,    TEXT_AMOEBA_SLOW_TIME   },
11328   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_slow_growth_rate,    TEXT_AMOEBA_SLOW_RATE,
11329                                 0, 100                                                          },
11330   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_fast_growth_rate,    TEXT_AMOEBA_FAST_RATE,
11331                                 0, 100                                                          },
11332   { EL_MAGIC_WALL,              &level.time_magic_wall,                 TEXT_DURATION           },
11333   { EL_BD_MAGIC_WALL,           &level.time_magic_wall,                 TEXT_DURATION           },
11334   { EL_DC_MAGIC_WALL,           &level.time_magic_wall,                 TEXT_DURATION           },
11335   { EL_ROBOT_WHEEL,             &level.time_wheel,                      TEXT_DURATION           },
11336   { EL_TIMEGATE_SWITCH,         &level.time_timegate,                   TEXT_DURATION           },
11337   { EL_DC_TIMEGATE_SWITCH,      &level.time_timegate,                   TEXT_DURATION           },
11338   { EL_LIGHT_SWITCH,            &level.time_light,                      TEXT_DURATION           },
11339   { EL_LIGHT_SWITCH_ACTIVE,     &level.time_light,                      TEXT_DURATION           },
11340   { EL_SHIELD_NORMAL,           &level.shield_normal_time,              TEXT_DURATION           },
11341   { EL_SHIELD_DEADLY,           &level.shield_deadly_time,              TEXT_DURATION           },
11342   { EL_BD_CLOCK,                &level.bd_clock_extra_time,             TEXT_TIME_BONUS,
11343                                 -100, 100                                                       },
11344   { EL_BD_VOODOO_DOLL,          &level.bd_voodoo_penalty_time,          TEXT_TIME_PENALTY,
11345                                 0, 100                                                          },
11346   { EL_BD_SLIME,                &level.bd_slime_permeability_rate,      TEXT_PERMEABILITY_RATE,
11347                                 0, 100                                                          },
11348   { EL_BD_SLIME,                &level.bd_slime_permeability_bits_c64,  TEXT_PERMEABILITY_BITS,
11349                                 0, 255                                                          },
11350   { EL_BD_SLIME,                &level.bd_slime_random_seed_c64,        TEXT_RANDOM_SEED,
11351                                 -1, 65535                                                       },
11352   { EL_BD_ACID,                 &level.bd_acid_spread_rate,             TEXT_ACID_SPREAD_RATE,
11353                                 0, 100                                                          },
11354   { EL_BD_BITER,                &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11355                                 0, 3                                                            },
11356   { EL_BD_BITER_RIGHT,          &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11357                                 0, 3                                                            },
11358   { EL_BD_BITER_UP,             &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11359                                 0, 3                                                            },
11360   { EL_BD_BITER_LEFT,           &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11361                                 0, 3                                                            },
11362   { EL_BD_BITER_DOWN,           &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11363                                 0, 3                                                            },
11364   { EL_BD_REPLICATOR,           &level.bd_replicator_create_delay,      TEXT_REPLICATION_DELAY,
11365                                 0, 100                                                          },
11366   { EL_EXTRA_TIME,              &level.extra_time,                      TEXT_TIME_BONUS         },
11367   { EL_TIME_ORB_FULL,           &level.time_orb_time,                   TEXT_TIME_BONUS         },
11368   { EL_GAME_OF_LIFE,            &level.game_of_life[0],                 TEXT_GAME_OF_LIFE_1,0,8 },
11369   { EL_GAME_OF_LIFE,            &level.game_of_life[1],                 TEXT_GAME_OF_LIFE_2,0,8 },
11370   { EL_GAME_OF_LIFE,            &level.game_of_life[2],                 TEXT_GAME_OF_LIFE_3,0,8 },
11371   { EL_GAME_OF_LIFE,            &level.game_of_life[3],                 TEXT_GAME_OF_LIFE_4,0,8 },
11372   { EL_BIOMAZE,                 &level.biomaze[0],                      TEXT_GAME_OF_LIFE_1,0,8 },
11373   { EL_BIOMAZE,                 &level.biomaze[1],                      TEXT_GAME_OF_LIFE_2,0,8 },
11374   { EL_BIOMAZE,                 &level.biomaze[2],                      TEXT_GAME_OF_LIFE_3,0,8 },
11375   { EL_BIOMAZE,                 &level.biomaze[3],                      TEXT_GAME_OF_LIFE_4,0,8 },
11376   { EL_EMC_ANDROID,             &level.android_move_time,               TEXT_MOVE_SPEED         },
11377   { EL_EMC_ANDROID,             &level.android_clone_time,              TEXT_CLONE_SPEED        },
11378   { EL_EMC_MAGIC_BALL,          &level.ball_time,                       TEXT_BALL_DELAY         },
11379   { EL_EMC_LENSES,              &level.lenses_score,                    TEXT_COLLECTING         },
11380   { EL_EMC_MAGNIFIER,           &level.magnify_score,                   TEXT_COLLECTING         },
11381   { EL_SPRING,                  &level.slurp_score,                     TEXT_SLURPING           },
11382   { EL_SPRING_LEFT,             &level.slurp_score,                     TEXT_SLURPING           },
11383   { EL_SPRING_RIGHT,            &level.slurp_score,                     TEXT_SLURPING           },
11384   { EL_EMC_LENSES,              &level.lenses_time,                     TEXT_DURATION           },
11385   { EL_EMC_MAGNIFIER,           &level.magnify_time,                    TEXT_DURATION           },
11386   { EL_MM_FUSE_ACTIVE,          &level.mm_time_fuse,                    TEXT_DELAY_OFF          },
11387   { EL_MM_BOMB,                 &level.mm_time_bomb,                    TEXT_DELAY_EXPLODING    },
11388   { EL_MM_GRAY_BALL,            &level.mm_time_ball,                    TEXT_DELAY_CHANGING     },
11389   { EL_MM_STEEL_BLOCK,          &level.mm_time_block,                   TEXT_DELAY_MOVING       },
11390   { EL_MM_WOODEN_BLOCK,         &level.mm_time_block,                   TEXT_DELAY_MOVING       },
11391
11392   { -1,                         NULL,                                   NULL                    }
11393 };
11394
11395 static boolean checkPropertiesConfig(int element)
11396 {
11397   int i;
11398
11399   // special case: empty space customization only available in R'n'D game engine
11400   if (element == EL_EMPTY_SPACE && level.game_engine_type != GAME_ENGINE_TYPE_RND)
11401     return FALSE;
11402
11403   // special case: BD style rock customization only available in BD game engine
11404   if (element == EL_BD_ROCK && level.game_engine_type != GAME_ENGINE_TYPE_BD)
11405     return FALSE;
11406
11407   if (IS_GEM(element) ||
11408       IS_CUSTOM_ELEMENT(element) ||
11409       IS_GROUP_ELEMENT(element) ||
11410       IS_EMPTY_ELEMENT(element) ||
11411       IS_BALLOON_ELEMENT(element) ||
11412       IS_ENVELOPE(element) ||
11413       IS_MM_ENVELOPE(element) ||
11414       IS_MM_MCDUFFIN(element) ||
11415       IS_DF_LASER(element) ||
11416       IS_PLAYER_ELEMENT(element) ||
11417       IS_BD_PLAYER_ELEMENT(element) ||
11418       IS_BD_EXPANDABLE_WALL(properties_element) ||
11419       IS_BD_CONVEYOR_BELT(properties_element) ||
11420       IS_BD_CONVEYOR_BELT_SWITCH(properties_element) ||
11421       IS_SOKOBAN_OBJECT_OR_FIELD(element) ||
11422       HAS_EDITOR_CONTENT(element) ||
11423       CAN_GROW(element) ||
11424       COULD_MOVE_INTO_ACID(element) ||
11425       MAYBE_DONT_COLLIDE_WITH(element) ||
11426       element == EL_BD_ROCK ||
11427       element == EL_BD_MEGA_ROCK ||
11428       element == EL_BD_SWEET ||
11429       element == EL_BD_VOODOO_DOLL ||
11430       element == EL_BD_WATER)
11431   {
11432     return TRUE;
11433   }
11434   else
11435   {
11436     for (i = 0; elements_with_counter[i].element != -1; i++)
11437       if (elements_with_counter[i].element == element)
11438         return TRUE;
11439   }
11440
11441   return FALSE;
11442 }
11443
11444 static void SetAutomaticNumberOfGemsNeeded(void)
11445 {
11446   int x, y;
11447
11448   if (!level.auto_count_gems)
11449     return;
11450
11451   level.gems_needed = 0;
11452
11453   for (x = 0; x < lev_fieldx; x++)
11454   {
11455     for (y = 0; y < lev_fieldy; y++)
11456     {
11457       int element = Tile[x][y];
11458
11459       switch (element)
11460       {
11461         case EL_EMERALD:
11462         case EL_EMERALD_YELLOW:
11463         case EL_EMERALD_RED:
11464         case EL_EMERALD_PURPLE:
11465         case EL_BD_DIAMOND:
11466         case EL_WALL_EMERALD:
11467         case EL_WALL_EMERALD_YELLOW:
11468         case EL_WALL_EMERALD_RED:
11469         case EL_WALL_EMERALD_PURPLE:
11470         case EL_WALL_BD_DIAMOND:
11471         case EL_NUT:
11472         case EL_SP_INFOTRON:
11473         case EL_MM_KETTLE:
11474         case EL_DF_CELL:
11475           level.gems_needed++;
11476           break;
11477
11478         case EL_DIAMOND:
11479         case EL_WALL_DIAMOND:
11480           level.gems_needed += 3;
11481           break;
11482
11483         case EL_PEARL:
11484         case EL_WALL_PEARL:
11485           level.gems_needed += 5;
11486           break;
11487
11488         case EL_CRYSTAL:
11489         case EL_WALL_CRYSTAL:
11490           level.gems_needed += 8;
11491           break;
11492
11493         default:
11494           break;
11495       }
11496     }
11497   }
11498
11499   ModifyEditorCounterValue(ED_COUNTER_ID_LEVEL_GEMSLIMIT, level.gems_needed);
11500 }
11501
11502 static void DrawPropertiesConfig(void)
11503 {
11504   boolean draw_footer_line = FALSE;
11505   int max_num_element_counters = 4;
11506   int num_element_counters = 0;
11507   int i;
11508
11509   if (!checkPropertiesConfig(properties_element))
11510   {
11511     int xpos = ED_ELEMENT_SETTINGS_X(0);
11512     int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
11513
11514     PrintInfoText("No configuration options available.", FONT_TEXT_1, xpos, ypos);
11515
11516     return;
11517   }
11518
11519   // check if there are elements where a value can be chosen for
11520   for (i = 0; elements_with_counter[i].element != -1; i++)
11521   {
11522     if (elements_with_counter[i].element != properties_element)
11523       continue;
11524
11525     // special case: score for extra diamonds only available in BD game engine
11526     if (elements_with_counter[i].element == EL_BD_DIAMOND &&
11527         elements_with_counter[i].value == &level.score[SC_DIAMOND_EXTRA] &&
11528         level.game_engine_type != GAME_ENGINE_TYPE_BD)
11529       continue;
11530
11531     // special case: some amoeba counters only available in BD game engine
11532     if (elements_with_counter[i].element == EL_BD_AMOEBA &&
11533         elements_with_counter[i].value != &level.amoeba_speed &&
11534         level.game_engine_type != GAME_ENGINE_TYPE_BD)
11535       continue;
11536
11537     // special case: some amoeba counters only available in R'n'D game engine
11538     if (elements_with_counter[i].element == EL_BD_AMOEBA &&
11539         elements_with_counter[i].value == &level.amoeba_speed &&
11540         level.game_engine_type == GAME_ENGINE_TYPE_BD)
11541       continue;
11542
11543     int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
11544
11545     counterbutton_info[counter_id].y =
11546       ED_ELEMENT_SETTINGS_YPOS((HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
11547                                (CAN_GROW(properties_element)                ? 1 : 0) +
11548                                (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
11549                                (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
11550                                (properties_element == EL_BD_VOODOO_DOLL     ? 4 : 0) +
11551                                (properties_element == EL_BD_SLIME           ? 1 : 0) +
11552                                (properties_element == EL_BD_ACID            ? 1 : 0) +
11553                                (properties_element == EL_BD_REPLICATOR      ? 1 : 0) +
11554                                (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
11555                                num_element_counters);
11556
11557     // special case: set magic wall counter for BD game engine separately
11558     if (properties_element == EL_BD_MAGIC_WALL && level.game_engine_type == GAME_ENGINE_TYPE_BD)
11559       counterbutton_info[counter_id].y = ED_ELEMENT_SETTINGS_YPOS(1);
11560
11561     // special case: set amoeba counters for BD game engine separately
11562     if ((properties_element == EL_BD_AMOEBA && level.game_engine_type == GAME_ENGINE_TYPE_BD) ||
11563         (properties_element == EL_BD_AMOEBA_2))
11564       counterbutton_info[counter_id].y = ED_ELEMENT_SETTINGS_YPOS(3 + num_element_counters);
11565
11566     counterbutton_info[counter_id].value      = elements_with_counter[i].value;
11567     counterbutton_info[counter_id].text_right = elements_with_counter[i].text;
11568     counterbutton_info[counter_id].min_value  = elements_with_counter[i].min_value;
11569     counterbutton_info[counter_id].max_value  = elements_with_counter[i].max_value;
11570
11571     // default: counter values between 0 and 999
11572     if (counterbutton_info[counter_id].max_value == 0)
11573       counterbutton_info[counter_id].max_value = 999;
11574
11575     MapCounterButtons(counter_id);
11576
11577     num_element_counters++;
11578     if (num_element_counters >= max_num_element_counters)
11579       break;
11580   }
11581
11582   if (properties_element == EL_BD_MAGIC_WALL && level.game_engine_type == GAME_ENGINE_TYPE_BD)
11583   {
11584     // draw stickybutton gadget
11585     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11586
11587     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_MAGIC_WALL_WAIT_HATCHING);
11588     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_MAGIC_WALL_STOPS_AMOEBA);
11589
11590     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_DIAMOND_TO);
11591     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_ROCK_TO);
11592     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_MEGA_ROCK_TO);
11593     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_NUT_TO);
11594     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_NITRO_PACK_TO);
11595     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_DIAMOND_TO);
11596     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_ROCK_TO);
11597   }
11598
11599   if (HAS_EDITOR_CONTENT(properties_element))
11600   {
11601     // draw stickybutton gadget
11602     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11603
11604     if (properties_element == EL_BD_AMOEBA && level.game_engine_type == GAME_ENGINE_TYPE_BD)
11605     {
11606       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING);
11607       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY);
11608
11609       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_CONTENT_TOO_BIG);
11610       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_CONTENT_ENCLOSED);
11611     }
11612     else if (properties_element == EL_BD_AMOEBA_2)
11613     {
11614       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING);
11615       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY);
11616       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA);
11617
11618       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_TOO_BIG);
11619       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_ENCLOSED);
11620       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_EXPLODING);
11621       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE);
11622     }
11623     else if (IS_AMOEBOID(properties_element))
11624       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
11625     else if (properties_element == EL_BD_ACID)
11626     {
11627       MapDrawingArea(ED_DRAWING_ID_BD_ACID_EATS_ELEMENT);
11628       MapDrawingArea(ED_DRAWING_ID_BD_ACID_TURNS_TO_ELEMENT);
11629     }
11630     else if (IS_BD_BITER(properties_element))
11631     {
11632       MapDrawingArea(ED_DRAWING_ID_BD_BITER_EATS_ELEMENT);
11633     }
11634     else if (properties_element == EL_BD_BLADDER)
11635     {
11636       MapDrawingArea(ED_DRAWING_ID_BD_BLADDER_CONVERTS_BY_ELEMENT);
11637     }
11638     else if (properties_element == EL_YAMYAM ||
11639              properties_element == EL_YAMYAM_LEFT ||
11640              properties_element == EL_YAMYAM_RIGHT ||
11641              properties_element == EL_YAMYAM_UP ||
11642              properties_element == EL_YAMYAM_DOWN)
11643       DrawYamYamContentAreas();
11644     else if (properties_element == EL_EMC_MAGIC_BALL)
11645     {
11646       DrawMagicBallContentAreas();
11647
11648       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
11649       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE);
11650     }
11651     else if (properties_element == EL_EMC_ANDROID)
11652       DrawAndroidElementArea();
11653     else if (properties_element == EL_MM_GRAY_BALL)
11654     {
11655       MapCounterButtons(ED_COUNTER_ID_MM_BALL_CONTENT);
11656       MapSelectboxGadget(ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE);
11657       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT);
11658       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EXPLODE_MM_BALL);
11659
11660       DrawMMBallContentArea();
11661     }
11662   }
11663
11664   if (IS_PLAYER_ELEMENT(properties_element))
11665   {
11666     int player_nr = GET_PLAYER_NR(properties_element);
11667
11668     // these properties can be set for every player individually
11669
11670     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
11671     {
11672       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
11673         &level.start_element[player_nr];
11674       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
11675         &level.artwork_element[player_nr];
11676       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
11677         &level.explosion_element[player_nr];
11678
11679       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
11680         &level.use_start_element[player_nr];
11681       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
11682         &level.use_artwork_element[player_nr];
11683       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
11684         &level.use_explosion_element[player_nr];
11685       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
11686         &level.initial_player_gravity[player_nr];
11687
11688       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
11689         &level.initial_player_stepsize[player_nr];
11690
11691       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
11692       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
11693                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
11694                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
11695       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
11696       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
11697       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
11698       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
11699       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_LAZY_RELOCATION);
11700       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
11701       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
11702       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
11703       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
11704       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
11705       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER);
11706
11707       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
11708       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
11709       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
11710
11711       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
11712     }
11713     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
11714     {
11715       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
11716         &level.initial_inventory_content[player_nr][0];
11717
11718       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
11719         &level.initial_inventory_size[player_nr];
11720
11721       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
11722         &level.use_initial_inventory[player_nr];
11723
11724       // draw checkbutton gadgets
11725       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
11726       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT);
11727       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE);
11728
11729       // draw counter gadgets
11730       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
11731
11732       // draw drawing area gadgets
11733       DrawPlayerInitialInventoryArea(properties_element);
11734     }
11735   }
11736
11737   if (IS_BD_PLAYER_ELEMENT(properties_element))
11738   {
11739     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB].y =
11740       ED_ELEMENT_SETTINGS_YPOS(2);
11741     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET].y =
11742       ED_ELEMENT_SETTINGS_YPOS(3);
11743     checkbutton_info[ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET].y =
11744       ED_ELEMENT_SETTINGS_YPOS(4);
11745
11746     // draw checkbutton gadgets
11747     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS);
11748     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_TOPMOST_PLAYER_ACTIVE);
11749     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET);
11750
11751     // draw counter gadgets
11752     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB);
11753     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET);
11754
11755     // draw drawing area gadgets
11756     MapDrawingArea(ED_DRAWING_ID_BD_SNAP_ELEMENT);
11757   }
11758
11759   if (properties_element == EL_BD_ROCK && level.game_engine_type == GAME_ENGINE_TYPE_BD)
11760   {
11761     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB].y =
11762       ED_ELEMENT_SETTINGS_YPOS(0);
11763     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET].y =
11764       ED_ELEMENT_SETTINGS_YPOS(1);
11765
11766     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB);
11767     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET);
11768   }
11769
11770   if (properties_element == EL_BD_MEGA_ROCK ||
11771       properties_element == EL_BD_SWEET)
11772   {
11773     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET].y =
11774       ED_ELEMENT_SETTINGS_YPOS(0);
11775     checkbutton_info[ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET].y =
11776       ED_ELEMENT_SETTINGS_YPOS(1);
11777
11778     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET);
11779     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET);
11780   }
11781
11782   if (properties_element == EL_BD_VOODOO_DOLL)
11783   {
11784     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_COLLECTS_DIAMONDS);
11785     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_HURT_KILLS_PLAYER);
11786     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_DIES_BY_ROCK);
11787     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_VANISH_BY_EXPLOSION);
11788   }
11789
11790   if (properties_element == EL_BD_SLIME)
11791   {
11792     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_SLIME_IS_PREDICTABLE);
11793   }
11794
11795   if (IS_BD_EXPANDABLE_WALL(properties_element))
11796   {
11797     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CHANGE_EXPANDING_WALL);
11798   }
11799
11800   if (properties_element == EL_BD_REPLICATOR)
11801   {
11802     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_REPLICATORS_ACTIVE);
11803   }
11804
11805   if (IS_BD_CONVEYOR_BELT(properties_element) ||
11806       IS_BD_CONVEYOR_BELT_SWITCH(properties_element))
11807   {
11808     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_ACTIVE);
11809     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_CHANGED);
11810   }
11811
11812   if (properties_element == EL_BD_WATER)
11813   {
11814     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_WATER_CANNOT_FLOW_DOWN);
11815   }
11816
11817   if (properties_element == EL_BD_NUT)
11818   {
11819     MapDrawingArea(ED_DRAWING_ID_BD_NUT_CONTENT);
11820   }
11821
11822   // special case: slippery walls option for gems only available in R'n'D game engine
11823   if (IS_GEM(properties_element) && level.game_engine_type == GAME_ENGINE_TYPE_RND)
11824     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
11825
11826   if (properties_element == EL_EM_DYNAMITE)
11827     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
11828
11829   if (COULD_MOVE_INTO_ACID(properties_element) &&
11830       !IS_PLAYER_ELEMENT(properties_element) &&
11831       (!IS_CUSTOM_ELEMENT(properties_element) ||
11832        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
11833   {
11834     // set position for checkbutton for "can move into acid"
11835     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
11836       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
11837     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
11838       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 7 :
11839                                IS_BALLOON_ELEMENT(properties_element) ||
11840                                HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
11841
11842     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
11843   }
11844
11845   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
11846     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
11847
11848   if (properties_element == EL_SPRING ||
11849       properties_element == EL_SPRING_LEFT ||
11850       properties_element == EL_SPRING_RIGHT)
11851     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
11852
11853   if (properties_element == EL_TIME_ORB_FULL)
11854     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
11855
11856   if (properties_element == EL_GAME_OF_LIFE ||
11857       properties_element == EL_BIOMAZE)
11858     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_LIFE_BUGS);
11859
11860   if (CAN_GROW(properties_element) && level.game_engine_type != GAME_ENGINE_TYPE_BD)
11861   {
11862     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
11863       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
11864
11865     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
11866   }
11867
11868   if (properties_element == EL_SOKOBAN_FIELD_EMPTY)
11869     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED);
11870
11871   if (properties_element == EL_SOKOBAN_OBJECT)
11872     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED);
11873
11874   if (properties_element == EL_SOKOBAN_OBJECT ||
11875       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
11876       properties_element == EL_SOKOBAN_FIELD_FULL)
11877   {
11878     checkbutton_info[ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN].y =
11879       ED_ELEMENT_SETTINGS_XPOS(properties_element == EL_SOKOBAN_FIELD_FULL ?
11880                                0 : 1);
11881
11882     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
11883   }
11884
11885   if (IS_BALLOON_ELEMENT(properties_element))
11886     MapSelectboxGadget(ED_SELECTBOX_ID_WIND_DIRECTION);
11887
11888   if (IS_ENVELOPE(properties_element) ||
11889       IS_MM_ENVELOPE(properties_element))
11890   {
11891     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
11892     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
11893     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
11894     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
11895     int envelope_nr = ENVELOPE_NR(properties_element);
11896
11897     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
11898     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
11899
11900     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
11901     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
11902
11903     // display counter to choose size of envelope text area
11904     MapCounterButtons(counter1_id);
11905     MapCounterButtons(counter2_id);
11906
11907     // display checkbuttons to choose auto-wrap and alignment properties
11908     MapCheckbuttonGadget(button1_id);
11909     MapCheckbuttonGadget(button2_id);
11910
11911     DrawEnvelopeTextArea(envelope_nr);
11912   }
11913
11914   if (IS_MM_MCDUFFIN(properties_element))
11915   {
11916     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_RED);
11917     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_GREEN);
11918     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_BLUE);
11919   }
11920
11921   if (IS_DF_LASER(properties_element))
11922   {
11923     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_RED);
11924     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_GREEN);
11925     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_BLUE);
11926   }
11927
11928   if (IS_CUSTOM_ELEMENT(properties_element))
11929   {
11930     // draw stickybutton gadget
11931     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11932
11933     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
11934     {
11935       // draw checkbutton gadgets
11936       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
11937            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
11938         MapCheckbuttonGadget(i);
11939
11940       // draw counter gadgets
11941       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
11942            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
11943         MapCounterButtons(i);
11944
11945       // draw selectbox gadgets
11946       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
11947            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
11948         MapSelectboxGadget(i);
11949
11950       // draw textbutton gadgets
11951       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
11952
11953       // draw text input gadgets
11954       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
11955
11956       // draw drawing area gadgets
11957       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
11958
11959       draw_footer_line = TRUE;
11960     }
11961     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
11962     {
11963       // draw checkbutton gadgets
11964       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
11965            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
11966         MapCheckbuttonGadget(i);
11967
11968       // draw counter gadgets
11969       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
11970            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
11971         MapCounterButtons(i);
11972
11973       // draw selectbox gadgets
11974       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
11975            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
11976         MapSelectboxGadget(i);
11977
11978       // draw drawing area gadgets
11979       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
11980       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
11981       DrawCustomContentArea();
11982     }
11983   }
11984   else if (IS_GROUP_ELEMENT(properties_element))
11985   {
11986     // draw stickybutton gadget
11987     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11988
11989     // draw checkbutton gadgets
11990     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
11991     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
11992
11993     // draw counter gadgets
11994     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
11995
11996     // draw selectbox gadgets
11997     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
11998
11999     // draw textbutton gadgets
12000     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
12001
12002     // draw drawing area gadgets
12003     DrawGroupElementArea();
12004
12005     // draw text input gadgets
12006     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
12007
12008     // draw drawing area gadgets
12009     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
12010
12011     draw_footer_line = TRUE;
12012   }
12013   else if (IS_EMPTY_ELEMENT(properties_element))
12014   {
12015     // draw stickybutton gadget
12016     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12017
12018     // draw checkbutton gadgets
12019     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
12020     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
12021
12022     // draw textbutton gadgets
12023     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
12024
12025     // draw drawing area gadgets
12026     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
12027
12028     draw_footer_line = TRUE;
12029   }
12030
12031   // draw little footer border line above CE/GE use/save template gadgets
12032   if (draw_footer_line)
12033   {
12034     struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
12035     struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
12036     int gd_x = gd->x + gd_gi1->border.width / 2;
12037     int gd_y = gd->y + gd_gi1->height - 1;
12038     Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
12039
12040     if (tab_color != BLACK_PIXEL)               // black => transparent
12041       FillRectangle(drawto,
12042                     SX + ED_ELEMENT_SETTINGS_X(0),
12043                     SY + ED_ELEMENT_SETTINGS_Y(14) - ED_SETTINGS_TABS_YOFFSET -
12044                     ED_TAB_BAR_HEIGHT,
12045                     getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
12046   }
12047 }
12048
12049 static void DrawPropertiesChangeDrawingAreas(void)
12050 {
12051   if (IS_CUSTOM_ELEMENT(properties_element))
12052   {
12053     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
12054     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
12055     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
12056
12057     DrawCustomChangeContentArea();
12058   }
12059
12060   redraw_mask |= REDRAW_FIELD;
12061 }
12062
12063 static void DrawPropertiesChange(void)
12064 {
12065   int i;
12066
12067   // needed to initially set selectbox options for special action options
12068   setSelectboxSpecialActionOptions();
12069
12070   // draw stickybutton gadget
12071   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12072
12073   // draw checkbutton gadgets
12074   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
12075        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
12076     MapCheckbuttonGadget(i);
12077
12078   // draw counter gadgets
12079   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
12080        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
12081     MapCounterButtons(i);
12082
12083   // draw selectbox gadgets
12084   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
12085        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
12086     MapSelectboxGadget(i);
12087
12088   // draw textbutton gadgets
12089   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
12090        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
12091     MapTextbuttonGadget(i);
12092
12093   // draw graphicbutton gadgets
12094   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
12095        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
12096     MapGraphicbuttonGadget(i);
12097
12098   // draw drawing area gadgets
12099   DrawPropertiesChangeDrawingAreas();
12100 }
12101
12102 static void DrawEditorElementAnimation(int x, int y)
12103 {
12104   int graphic;
12105   int frame;
12106
12107   getEditorGraphicAndFrame(properties_element, &graphic, &frame, FALSE);
12108
12109   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
12110 }
12111
12112 static void DrawEditorElementName(int x, int y, int font_nr)
12113 {
12114   char *element_name = getElementInfoText(properties_element);
12115   int font_width = getFontWidth(font_nr);
12116   int font_height = getFontHeight(font_nr);
12117   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_X(0);
12118   int max_chars_per_line = max_text_width / font_width;
12119
12120   if (strlen(element_name) <= max_chars_per_line)
12121     DrawTextS(x, y, font_nr, element_name);
12122   else
12123   {
12124     char buffer[max_chars_per_line + 1];
12125     int next_pos = max_chars_per_line;
12126
12127     strncpy(buffer, element_name, max_chars_per_line);
12128     buffer[max_chars_per_line] = '\0';
12129
12130     if (element_name[max_chars_per_line] == ' ')
12131       next_pos++;
12132     else
12133     {
12134       int i;
12135
12136       for (i = max_chars_per_line - 1; i >= 0; i--)
12137         if (buffer[i] == ' ')
12138           break;
12139
12140       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
12141       {
12142         buffer[i] = '\0';
12143         next_pos = i + 1;
12144       }
12145     }
12146
12147     DrawTextS(x, y - font_height / 2, font_nr, buffer);
12148
12149     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
12150     buffer[max_chars_per_line] = '\0';
12151
12152     DrawTextS(x, y + font_height / 2, font_nr, buffer);
12153   }
12154 }
12155
12156 static void DrawPropertiesWindow(void)
12157 {
12158   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
12159   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
12160   int border_size = gd->border_size;
12161   int font_nr = FONT_TEXT_1;
12162   int font_height = getFontHeight(font_nr);
12163   int xoffset = TILEX + element_border + 3 * border_size;
12164   int yoffset = (TILEY - font_height) / 2;
12165   int x1 = editor.settings.element_graphic.x + element_border;
12166   int y1 = editor.settings.element_graphic.y + element_border;
12167   int x2 = (editor.settings.element_name.x == -1 ? x1 + xoffset :
12168             editor.settings.element_name.x);
12169   int y2 = (editor.settings.element_name.y == -1 ? y1 + yoffset :
12170             editor.settings.element_name.y);
12171   char *text = "Element Settings";
12172   int font2_nr = FONT_TITLE_1;
12173   struct MenuPosInfo *pos = &editor.settings.headline;
12174   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font2_nr), pos->align);
12175   int sy = SY + pos->y;
12176
12177   stick_element_properties_window = FALSE;
12178
12179   // make sure that previous properties edit mode exists for this element
12180   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
12181       !IS_CUSTOM_ELEMENT(properties_element))
12182     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
12183
12184   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
12185       !IS_PLAYER_ELEMENT(properties_element) &&
12186       !IS_CUSTOM_ELEMENT(properties_element))
12187     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
12188
12189   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
12190       (IS_PLAYER_ELEMENT(properties_element) ||
12191        IS_CUSTOM_ELEMENT(properties_element)))
12192     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
12193
12194   CopyElementPropertiesToEditor(properties_element);
12195
12196   UnmapLevelEditorFieldGadgets();
12197   UnmapLevelEditorToolboxDrawingGadgets();
12198   UnmapLevelEditorToolboxCustomGadgets();
12199
12200   MapLevelEditorToolboxCustomGadgetsIfNeeded();
12201
12202   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
12203   ClearField();
12204
12205   DrawText(sx, sy, text, font2_nr);
12206
12207   FrameCounter = 0;     // restart animation frame counter
12208
12209   DrawElementBorder(SX + x1, SY + y1, TILEX, TILEY, FALSE);
12210   DrawEditorElementAnimation(SX + x1, SY + y1);
12211   DrawEditorElementName(x2, y2, font_nr);
12212
12213   DrawPropertiesTabulatorGadgets();
12214
12215   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
12216     DrawPropertiesInfo();
12217   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
12218     DrawPropertiesChange();
12219   else  // (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2])
12220     DrawPropertiesConfig();
12221 }
12222
12223 static void DrawPaletteWindow(void)
12224 {
12225   int i;
12226
12227   UnmapLevelEditorFieldGadgets();
12228
12229   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
12230   ClearField();
12231
12232   // map buttons to select elements
12233   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
12234     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
12235   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
12236   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
12237   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
12238 }
12239
12240 static void UpdateCustomElementGraphicGadgets(void)
12241 {
12242   int i;
12243
12244   InitElementPropertiesGfxElement();
12245
12246   ModifyEditorElementList();
12247   RedrawDrawingElements();
12248
12249   // force redraw of all mapped drawing area gadgets
12250   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
12251   {
12252     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
12253
12254     if (gi->mapped)
12255       MapDrawingArea(i);
12256   }
12257 }
12258
12259 static int getOpenDirectionFromTube(int element)
12260 {
12261   switch (element)
12262   {
12263     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
12264     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
12265     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
12266     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
12267     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
12268     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
12269     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
12270     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
12271     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
12272     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
12273     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
12274   }
12275
12276   return MV_NONE;
12277 }
12278
12279 static int getTubeFromOpenDirection(int direction)
12280 {
12281   switch (direction)
12282   {
12283     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
12284     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
12285     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
12286     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
12287     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
12288     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
12289     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
12290     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
12291     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
12292     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
12293     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
12294
12295     // if only one direction, fall back to simple tube with that direction
12296     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
12297     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
12298     case (MV_UP):                       return EL_TUBE_VERTICAL;
12299     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
12300   }
12301
12302   return EL_EMPTY;
12303 }
12304
12305 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
12306 {
12307   int element_new = getTubeFromOpenDirection(direction);
12308
12309   return (element_new != EL_EMPTY ? element_new : element_old);
12310 }
12311
12312 static int getOpenDirectionFromBelt(int element)
12313 {
12314   int belt_dir = getBeltDirFromBeltElement(element);
12315
12316   return (belt_dir == MV_LEFT ? MV_RIGHT :
12317           belt_dir == MV_RIGHT ? MV_LEFT :
12318           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
12319 }
12320
12321 static int getBeltFromNrAndOpenDirection(int nr, int direction)
12322 {
12323   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
12324                   direction == MV_RIGHT ? MV_LEFT :
12325                   direction == MV_HORIZONTAL ? MV_NONE : direction);
12326
12327   if (direction == MV_NONE)
12328     return EL_EMPTY;
12329
12330   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
12331 }
12332
12333 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
12334                                                  int element_old)
12335 {
12336   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
12337
12338   return (element_new != EL_EMPTY ? element_new : element_old);
12339 }
12340
12341 static int getOpenDirectionFromPool(int element)
12342 {
12343   switch (element)
12344   {
12345     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
12346     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
12347     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
12348     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
12349     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
12350     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
12351   }
12352
12353   return MV_NONE;
12354 }
12355
12356 static int getPoolFromOpenDirection(int direction)
12357 {
12358   switch (direction)
12359   {
12360     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
12361     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
12362     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
12363     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
12364     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
12365     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
12366   }
12367
12368   return EL_EMPTY;
12369 }
12370
12371 static int getPoolFromOpenDirectionExt(int direction, int help_element)
12372 {
12373   int element = getPoolFromOpenDirection(direction);
12374   int help_direction = getOpenDirectionFromPool(help_element);
12375
12376   if (element == EL_EMPTY)
12377   {
12378     int help_direction_vertical = help_direction & MV_VERTICAL;
12379
12380     element = getPoolFromOpenDirection(direction | help_direction_vertical);
12381   }
12382
12383   if (element == EL_EMPTY)
12384   {
12385     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
12386
12387     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
12388   }
12389
12390   return element;
12391 }
12392
12393 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
12394 {
12395   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
12396
12397   return (element_new != EL_EMPTY ? element_new : element_old);
12398 }
12399
12400 static int getOpenDirectionFromPillar(int element)
12401 {
12402   switch (element)
12403   {
12404     case EL_EMC_WALL_1:                 return (MV_DOWN);
12405     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
12406     case EL_EMC_WALL_3:                 return (MV_UP);
12407   }
12408
12409   return MV_NONE;
12410 }
12411
12412 static int getPillarFromOpenDirection(int direction)
12413 {
12414   switch (direction)
12415   {
12416     case (MV_DOWN):                     return EL_EMC_WALL_1;
12417     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
12418     case (MV_UP):                       return EL_EMC_WALL_3;
12419   }
12420
12421   return EL_EMPTY;
12422 }
12423
12424 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
12425 {
12426   int element_new = getPillarFromOpenDirection(direction);
12427
12428   return (element_new != EL_EMPTY ? element_new : element_old);
12429 }
12430
12431 static int getOpenDirectionFromSteel2(int element)
12432 {
12433   switch (element)
12434   {
12435     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
12436     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
12437     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
12438     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
12439     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
12440     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
12441     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
12442     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
12443   }
12444
12445   return MV_NONE;
12446 }
12447
12448 static int getSteel2FromOpenDirection(int direction)
12449 {
12450   switch (direction)
12451   {
12452     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
12453     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
12454     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
12455     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
12456     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
12457     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
12458     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
12459     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
12460   }
12461
12462   return EL_EMPTY;
12463 }
12464
12465 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
12466 {
12467   int element_new = getSteel2FromOpenDirection(direction);
12468
12469   return (element_new != EL_EMPTY ? element_new : element_old);
12470 }
12471
12472 static int getOpenDirectionFromChip(int element)
12473 {
12474   switch (element)
12475   {
12476     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
12477     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
12478     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
12479     case EL_SP_CHIP_TOP:                return (MV_DOWN);
12480     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
12481   }
12482
12483   return MV_NONE;
12484 }
12485
12486 static int getChipFromOpenDirection(int direction)
12487 {
12488   switch (direction)
12489   {
12490     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
12491     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
12492     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
12493     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
12494     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
12495   }
12496
12497   return EL_EMPTY;
12498 }
12499
12500 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
12501 {
12502   int element_new = getChipFromOpenDirection(direction);
12503
12504   return (element_new != EL_EMPTY ? element_new : element_old);
12505 }
12506
12507 static int getClosedTube(int x, int y)
12508 {
12509   struct XY *xy = xy_directions;
12510   int element_old = IntelliDrawBuffer[x][y];
12511   int direction_old = getOpenDirectionFromTube(element_old);
12512   int direction_new = MV_NONE;
12513   int i;
12514
12515   for (i = 0; i < NUM_DIRECTIONS; i++)
12516   {
12517     int xx = x + xy[i].x;
12518     int yy = y + xy[i].y;
12519     int dir = MV_DIR_FROM_BIT(i);
12520     int dir_opposite = MV_DIR_OPPOSITE(dir);
12521
12522     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
12523         (direction_old & dir) &&
12524         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12525       direction_new |= dir;
12526   }
12527
12528   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
12529 }
12530
12531 static int getClosedBelt(int x, int y)
12532 {
12533   struct XY *xy = xy_directions;
12534   int element_old = IntelliDrawBuffer[x][y];
12535   int nr = getBeltNrFromBeltElement(element_old);
12536   int direction_old = getOpenDirectionFromBelt(element_old);
12537   int direction_new = MV_NONE;
12538   int i;
12539
12540   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
12541   {
12542     int xx = x + xy[i].x;
12543     int yy = y + xy[i].y;
12544     int dir = MV_DIR_FROM_BIT(i);
12545     int dir_opposite = MV_DIR_OPPOSITE(dir);
12546
12547     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
12548         (direction_old & dir) &&
12549         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12550       direction_new |= dir;
12551   }
12552
12553   return getBeltFromNrAndOpenDirection(nr, direction_new);
12554 }
12555
12556 static int getClosedPool(int x, int y)
12557 {
12558   struct XY *xy = xy_directions;
12559   int element_old = IntelliDrawBuffer[x][y];
12560   int direction_old = getOpenDirectionFromPool(element_old);
12561   int direction_new = MV_NONE;
12562   int i;
12563
12564   for (i = 0; i < NUM_DIRECTIONS; i++)
12565   {
12566     int xx = x + xy[i].x;
12567     int yy = y + xy[i].y;
12568     int dir = MV_DIR_FROM_BIT(i);
12569     int dir_opposite = MV_DIR_OPPOSITE(dir);
12570
12571     if (IN_LEV_FIELD(xx, yy) &&
12572         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
12573         (direction_old & dir) &&
12574         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12575       direction_new |= dir;
12576   }
12577
12578   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
12579 }
12580
12581 static int getClosedPillar(int x, int y)
12582 {
12583   struct XY *xy = xy_directions;
12584   int element_old = IntelliDrawBuffer[x][y];
12585   int direction_old = getOpenDirectionFromPillar(element_old);
12586   int direction_new = MV_NONE;
12587   int i;
12588
12589   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
12590   {
12591     int xx = x + xy[i].x;
12592     int yy = y + xy[i].y;
12593     int dir = MV_DIR_FROM_BIT(i);
12594     int dir_opposite = MV_DIR_OPPOSITE(dir);
12595
12596     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
12597         (direction_old & dir) &&
12598         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12599       direction_new |= dir;
12600   }
12601
12602   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
12603 }
12604
12605 static int getClosedSteel2(int x, int y)
12606 {
12607   struct XY *xy = xy_directions;
12608   int element_old = IntelliDrawBuffer[x][y];
12609   int direction_old = getOpenDirectionFromSteel2(element_old);
12610   int direction_new = MV_NONE;
12611   int i;
12612
12613   for (i = 0; i < NUM_DIRECTIONS; i++)
12614   {
12615     int xx = x + xy[i].x;
12616     int yy = y + xy[i].y;
12617     int dir = MV_DIR_FROM_BIT(i);
12618     int dir_opposite = MV_DIR_OPPOSITE(dir);
12619
12620     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
12621         (direction_old & dir) &&
12622         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12623       direction_new |= dir;
12624   }
12625
12626   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
12627 }
12628
12629 static int getClosedChip(int x, int y)
12630 {
12631   struct XY *xy = xy_directions;
12632   int element_old = IntelliDrawBuffer[x][y];
12633   int direction_old = getOpenDirectionFromChip(element_old);
12634   int direction_new = MV_NONE;
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     int dir = MV_DIR_FROM_BIT(i);
12642     int dir_opposite = MV_DIR_OPPOSITE(dir);
12643
12644     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
12645         (direction_old & dir) &&
12646         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12647       direction_new |= dir;
12648   }
12649
12650   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
12651 }
12652
12653 static void SetElementSimpleExt(int x, int y, int dx, int dy, int element,
12654                                 boolean change_level)
12655 {
12656   int sx = x - level_xpos;
12657   int sy = y - level_ypos;
12658   int old_element = Tile[x][y];
12659   int new_element = element;
12660   unsigned int new_bitmask = (getDrawModeHiRes() ? (dx + 1) << (dy * 2) : 0x0f);
12661   boolean draw_masked = FALSE;
12662
12663   if (IS_MM_WALL_EDITOR(element))
12664   {
12665     element = map_mm_wall_element_editor(element) | new_bitmask;
12666
12667     if (IS_MM_WALL(old_element))
12668       element |= MM_WALL_BITS(old_element);
12669
12670     if (!change_level)
12671       draw_masked = TRUE;
12672   }
12673   else if (IS_MM_WALL(old_element) && element == EL_EMPTY)
12674   {
12675     int element_changed = old_element & ~new_bitmask;
12676
12677     if (MM_WALL_BITS(element_changed) != 0)
12678       element = element_changed;
12679   }
12680
12681   IntelliDrawBuffer[x][y] = element;
12682
12683   if (change_level)
12684     Tile[x][y] = element;
12685
12686   if (IN_ED_FIELD(sx, sy))
12687   {
12688     if (IS_MM_WALL(old_element) && new_element == EL_EMPTY)
12689       DrawSizedWallParts_MM(sx, sy, EL_EMPTY, ed_tilesize, FALSE, new_bitmask);
12690     else if (draw_masked)
12691       DrawEditorElementThruMask(sx, sy, element);
12692     else
12693       DrawEditorElement(sx, sy, element);
12694   }
12695 }
12696
12697 static void SetElementSimple(int x, int y, int element, boolean change_level)
12698 {
12699   SetElementSimpleExt(x, y, 0, 0, element, change_level);
12700 }
12701
12702 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
12703                                            int x2, int y2, int *element2,
12704                                            int (*close_function)(int, int),
12705                                            boolean change_level)
12706 {
12707   // set neighbour elements to newly determined connections
12708   SetElementSimple(x1, y1, *element1, change_level);
12709   SetElementSimple(x2, y2, *element2, change_level);
12710
12711   // remove all open connections of neighbour elements
12712   *element1 = close_function(x1, y1);
12713   *element2 = close_function(x2, y2);
12714
12715   // set neighbour elements to new, minimized connections
12716   SetElementSimple(x1, y1, *element1, change_level);
12717   SetElementSimple(x2, y2, *element2, change_level);
12718 }
12719
12720 static void SetElementIntelliDraw(int x, int y, int dx, int dy, int new_element,
12721                                   boolean change_level, int button)
12722 {
12723   struct XY *xy = xy_directions;
12724   static int last_x = -1;
12725   static int last_y = -1;
12726
12727   if (new_element == EL_UNDEFINED)
12728   {
12729     last_x = -1;
12730     last_y = -1;
12731
12732     return;
12733   }
12734
12735   int old_element = IntelliDrawBuffer[x][y];
12736
12737   if (IS_TUBE(new_element))
12738   {
12739     int last_element_new = EL_UNDEFINED;
12740     int direction = MV_NONE;
12741     int i;
12742
12743     // if old element is of same kind, keep all existing directions
12744     if (IS_TUBE(old_element))
12745       direction |= getOpenDirectionFromTube(old_element);
12746
12747     for (i = 0; i < NUM_DIRECTIONS; i++)
12748     {
12749       int xx = x + xy[i].x;
12750       int yy = y + xy[i].y;
12751
12752       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12753           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
12754       {
12755         int dir = MV_DIR_FROM_BIT(i);
12756         int dir_opposite = MV_DIR_OPPOSITE(dir);
12757         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12758         int last_direction_old = getOpenDirectionFromTube(last_element_old);
12759         int last_direction_new = last_direction_old | dir_opposite;
12760
12761         last_element_new = getTubeFromOpenDirection(last_direction_new);
12762
12763         direction |= dir;
12764       }
12765     }
12766
12767     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
12768
12769     if (last_element_new != EL_UNDEFINED)
12770       MergeAndCloseNeighbourElements(x, y, &new_element,
12771                                      last_x, last_y, &last_element_new,
12772                                      getClosedTube, change_level);
12773   }
12774   else if (IS_BELT(new_element))
12775   {
12776     int belt_nr = getBeltNrFromBeltElement(new_element);
12777     int last_element_new = EL_UNDEFINED;
12778     int direction = MV_NONE;
12779     int i;
12780
12781     // if old element is of same kind, keep all existing directions
12782     if (IS_BELT(old_element))
12783       direction |= getOpenDirectionFromBelt(old_element);
12784
12785     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
12786     {
12787       int xx = x + xy[i].x;
12788       int yy = y + xy[i].y;
12789
12790       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12791           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
12792       {
12793         int dir = MV_DIR_FROM_BIT(i);
12794         int dir_opposite = MV_DIR_OPPOSITE(dir);
12795         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12796         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
12797         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
12798         int last_direction_new = last_direction_old | dir_opposite;
12799
12800         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
12801                                                          last_direction_new);
12802         direction |= dir;
12803       }
12804     }
12805
12806     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
12807                                                         new_element);
12808     if (last_element_new != EL_UNDEFINED)
12809       MergeAndCloseNeighbourElements(x, y, &new_element,
12810                                      last_x, last_y, &last_element_new,
12811                                      getClosedBelt, change_level);
12812   }
12813   else if (IS_ACID_POOL_OR_ACID(new_element))
12814   {
12815     int last_element_new = EL_UNDEFINED;
12816     int direction = MV_NONE;
12817     int i;
12818
12819     // if old element is of same kind, keep all existing directions
12820     if (IS_ACID_POOL_OR_ACID(old_element))
12821       direction |= getOpenDirectionFromPool(old_element);
12822
12823     for (i = 0; i < NUM_DIRECTIONS; i++)
12824     {
12825       int xx = x + xy[i].x;
12826       int yy = y + xy[i].y;
12827
12828       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12829           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
12830       {
12831         int dir = MV_DIR_FROM_BIT(i);
12832         int dir_opposite = MV_DIR_OPPOSITE(dir);
12833         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12834         int last_direction_old = getOpenDirectionFromPool(last_element_old);
12835         int last_direction_new = last_direction_old | dir_opposite;
12836
12837         last_element_new = getPoolFromOpenDirection(last_direction_new);
12838
12839         direction |= dir;
12840       }
12841     }
12842
12843     // special corrections needed for intuitively correct acid pool drawing
12844     if (last_element_new == EL_EMPTY)
12845       last_element_new = new_element;
12846     else if (last_element_new != EL_UNDEFINED)
12847       new_element = last_element_new;
12848
12849     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
12850
12851     if (last_element_new != EL_UNDEFINED)
12852       MergeAndCloseNeighbourElements(x, y, &new_element,
12853                                      last_x, last_y, &last_element_new,
12854                                      getClosedPool, change_level);
12855   }
12856   else if (IS_EMC_PILLAR(new_element))
12857   {
12858     int last_element_new = EL_UNDEFINED;
12859     int direction = MV_NONE;
12860     int i;
12861
12862     // if old element is of same kind, keep all existing directions
12863     if (IS_EMC_PILLAR(old_element))
12864       direction |= getOpenDirectionFromPillar(old_element);
12865
12866     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
12867     {
12868       int xx = x + xy[i].x;
12869       int yy = y + xy[i].y;
12870
12871       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12872           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
12873       {
12874         int dir = MV_DIR_FROM_BIT(i);
12875         int dir_opposite = MV_DIR_OPPOSITE(dir);
12876         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12877         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
12878         int last_direction_new = last_direction_old | dir_opposite;
12879
12880         last_element_new = getPillarFromOpenDirection(last_direction_new);
12881
12882         direction |= dir;
12883       }
12884     }
12885
12886     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
12887
12888     if (last_element_new != EL_UNDEFINED)
12889       MergeAndCloseNeighbourElements(x, y, &new_element,
12890                                      last_x, last_y, &last_element_new,
12891                                      getClosedPillar, change_level);
12892   }
12893   else if (IS_DC_STEELWALL_2(new_element))
12894   {
12895     int last_element_new = EL_UNDEFINED;
12896     int direction = MV_NONE;
12897     int i;
12898
12899     // if old element is of same kind, keep all existing directions
12900     if (IS_DC_STEELWALL_2(old_element))
12901       direction |= getOpenDirectionFromSteel2(old_element);
12902
12903     for (i = 0; i < NUM_DIRECTIONS; i++)
12904     {
12905       int xx = x + xy[i].x;
12906       int yy = y + xy[i].y;
12907
12908       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12909           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
12910       {
12911         int dir = MV_DIR_FROM_BIT(i);
12912         int dir_opposite = MV_DIR_OPPOSITE(dir);
12913         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12914         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
12915         int last_direction_new = last_direction_old | dir_opposite;
12916
12917         last_element_new = getSteel2FromOpenDirection(last_direction_new);
12918
12919         direction |= dir;
12920       }
12921     }
12922
12923     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
12924
12925     if (last_element_new != EL_UNDEFINED)
12926       MergeAndCloseNeighbourElements(x, y, &new_element,
12927                                      last_x, last_y, &last_element_new,
12928                                      getClosedSteel2, change_level);
12929   }
12930   else if (IS_SP_CHIP(new_element))
12931   {
12932     int last_element_new = EL_UNDEFINED;
12933     int direction = MV_NONE;
12934     int i;
12935
12936     // (do not keep existing directions, regardless of kind of old element)
12937
12938     for (i = 0; i < NUM_DIRECTIONS; i++)
12939     {
12940       int xx = x + xy[i].x;
12941       int yy = y + xy[i].y;
12942
12943       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12944           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
12945       {
12946         int dir = MV_DIR_FROM_BIT(i);
12947         int dir_opposite = MV_DIR_OPPOSITE(dir);
12948         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12949         int last_direction_old = getOpenDirectionFromChip(last_element_old);
12950         int last_direction_new = last_direction_old | dir_opposite;
12951
12952         if (last_direction_old == MV_NONE)
12953         {
12954           last_element_new = getChipFromOpenDirection(last_direction_new);
12955           direction |= dir;
12956         }
12957         else if (last_direction_old & (dir | dir_opposite))
12958         {
12959           direction |= MV_DIR_OPPOSITE(last_direction_old);
12960         }
12961         else
12962         {
12963           direction |= MV_DIR_OPPOSITE(dir);
12964         }
12965       }
12966     }
12967
12968     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
12969
12970     if (last_element_new != EL_UNDEFINED)
12971       MergeAndCloseNeighbourElements(x, y, &new_element,
12972                                      last_x, last_y, &last_element_new,
12973                                      getClosedChip, change_level);
12974   }
12975   else if (IS_SP_HARDWARE_BASE(new_element))
12976   {
12977     int nr = GetSimpleRandom(6);
12978
12979     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
12980                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
12981                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
12982                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
12983                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
12984   }
12985   else if (new_element == EL_SP_HARDWARE_GREEN ||
12986            new_element == EL_SP_HARDWARE_BLUE ||
12987            new_element == EL_SP_HARDWARE_RED)
12988   {
12989     int nr = GetSimpleRandom(3);
12990
12991     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
12992                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
12993   }
12994   else if (IS_GROUP_ELEMENT(new_element))
12995   {
12996     boolean connected_drawing = FALSE;
12997     int i;
12998
12999     for (i = 0; i < NUM_DIRECTIONS; i++)
13000     {
13001       int xx = x + xy[i].x;
13002       int yy = y + xy[i].y;
13003
13004       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13005           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
13006         connected_drawing = TRUE;
13007     }
13008
13009     if (!connected_drawing)
13010       ResolveGroupElement(new_element);
13011
13012     new_element = GetElementFromGroupElement(new_element);
13013   }
13014   else if (IS_BELT_SWITCH(old_element))
13015   {
13016     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
13017     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
13018
13019     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
13020                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
13021
13022     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
13023   }
13024   else
13025   {
13026     static int swappable_elements[][2] =
13027     {
13028       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
13029       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
13030       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
13031       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
13032       { EL_EMERALD,                     EL_WALL_EMERALD                 },
13033       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
13034       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
13035       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
13036       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
13037       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
13038       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
13039       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
13040       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
13041       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
13042       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
13043       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
13044       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
13045       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
13046       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
13047       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
13048       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
13049       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
13050       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
13051       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
13052       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
13053       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
13054       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
13055       { EL_PEARL,                       EL_WALL_PEARL                   },
13056       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
13057       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
13058       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
13059       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
13060       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
13061       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
13062       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
13063       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
13064       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
13065       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
13066       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
13067       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
13068       { EL_MM_EXIT_CLOSED,              EL_MM_EXIT_OPEN                 },
13069       { EL_MM_FUSE,                     EL_MM_FUSE_ACTIVE               },
13070       { EL_MM_LIGHTBULB,                EL_MM_LIGHTBULB_ACTIVE          },
13071       { EL_MM_FUEL_EMPTY,               EL_MM_FUEL_FULL                 },
13072
13073       { -1,                             -1                              },
13074     };
13075     static int rotatable_elements_4[][4] =
13076     {
13077       {
13078         EL_BUG_UP,
13079         EL_BUG_RIGHT,
13080         EL_BUG_DOWN,
13081         EL_BUG_LEFT
13082       },
13083       {
13084         EL_SPACESHIP_UP,
13085         EL_SPACESHIP_RIGHT,
13086         EL_SPACESHIP_DOWN,
13087         EL_SPACESHIP_LEFT
13088       },
13089       {
13090         EL_BD_BUTTERFLY_UP,
13091         EL_BD_BUTTERFLY_RIGHT,
13092         EL_BD_BUTTERFLY_DOWN,
13093         EL_BD_BUTTERFLY_LEFT
13094       },
13095       {
13096         EL_BD_FIREFLY_UP,
13097         EL_BD_FIREFLY_RIGHT,
13098         EL_BD_FIREFLY_DOWN,
13099         EL_BD_FIREFLY_LEFT
13100       },
13101       {
13102         EL_PACMAN_UP,
13103         EL_PACMAN_RIGHT,
13104         EL_PACMAN_DOWN,
13105         EL_PACMAN_LEFT
13106       },
13107       {
13108         EL_YAMYAM_UP,
13109         EL_YAMYAM_RIGHT,
13110         EL_YAMYAM_DOWN,
13111         EL_YAMYAM_LEFT
13112       },
13113       {
13114         EL_ARROW_UP,
13115         EL_ARROW_RIGHT,
13116         EL_ARROW_DOWN,
13117         EL_ARROW_LEFT
13118       },
13119       {
13120         EL_SP_PORT_UP,
13121         EL_SP_PORT_RIGHT,
13122         EL_SP_PORT_DOWN,
13123         EL_SP_PORT_LEFT
13124       },
13125       {
13126         EL_SP_GRAVITY_PORT_UP,
13127         EL_SP_GRAVITY_PORT_RIGHT,
13128         EL_SP_GRAVITY_PORT_DOWN,
13129         EL_SP_GRAVITY_PORT_LEFT
13130       },
13131       {
13132         EL_SP_GRAVITY_ON_PORT_UP,
13133         EL_SP_GRAVITY_ON_PORT_RIGHT,
13134         EL_SP_GRAVITY_ON_PORT_DOWN,
13135         EL_SP_GRAVITY_ON_PORT_LEFT
13136       },
13137       {
13138         EL_SP_GRAVITY_OFF_PORT_UP,
13139         EL_SP_GRAVITY_OFF_PORT_RIGHT,
13140         EL_SP_GRAVITY_OFF_PORT_DOWN,
13141         EL_SP_GRAVITY_OFF_PORT_LEFT
13142       },
13143       {
13144         EL_MOLE_UP,
13145         EL_MOLE_RIGHT,
13146         EL_MOLE_DOWN,
13147         EL_MOLE_LEFT
13148       },
13149       {
13150         EL_BALLOON_SWITCH_UP,
13151         EL_BALLOON_SWITCH_RIGHT,
13152         EL_BALLOON_SWITCH_DOWN,
13153         EL_BALLOON_SWITCH_LEFT
13154       },
13155       {
13156         EL_MM_MCDUFFIN_UP,
13157         EL_MM_MCDUFFIN_RIGHT,
13158         EL_MM_MCDUFFIN_DOWN,
13159         EL_MM_MCDUFFIN_LEFT
13160       },
13161       {
13162         EL_MM_MIRROR_FIXED_1,
13163         EL_MM_MIRROR_FIXED_4,
13164         EL_MM_MIRROR_FIXED_3,
13165         EL_MM_MIRROR_FIXED_2
13166       },
13167       {
13168         EL_MM_STEEL_GRID_FIXED_1,
13169         EL_MM_STEEL_GRID_FIXED_4,
13170         EL_MM_STEEL_GRID_FIXED_2,
13171         EL_MM_STEEL_GRID_FIXED_3
13172       },
13173       {
13174         EL_MM_WOODEN_GRID_FIXED_1,
13175         EL_MM_WOODEN_GRID_FIXED_4,
13176         EL_MM_WOODEN_GRID_FIXED_2,
13177         EL_MM_WOODEN_GRID_FIXED_3
13178       },
13179       {
13180         EL_MM_POLARIZER_CROSS_1,
13181         EL_MM_POLARIZER_CROSS_4,
13182         EL_MM_POLARIZER_CROSS_3,
13183         EL_MM_POLARIZER_CROSS_2
13184       },
13185       {
13186         EL_MM_PACMAN_UP,
13187         EL_MM_PACMAN_RIGHT,
13188         EL_MM_PACMAN_DOWN,
13189         EL_MM_PACMAN_LEFT
13190       },
13191       {
13192         EL_DF_LASER_UP,
13193         EL_DF_LASER_RIGHT,
13194         EL_DF_LASER_DOWN,
13195         EL_DF_LASER_LEFT
13196       },
13197       {
13198         EL_DF_RECEIVER_UP,
13199         EL_DF_RECEIVER_RIGHT,
13200         EL_DF_RECEIVER_DOWN,
13201         EL_DF_RECEIVER_LEFT
13202       },
13203       {
13204         EL_DF_SLOPE_1,
13205         EL_DF_SLOPE_4,
13206         EL_DF_SLOPE_3,
13207         EL_DF_SLOPE_2
13208       },
13209
13210       {
13211         -1,
13212       },
13213     };
13214     static int rotatable_elements_8[][8] =
13215     {
13216       {
13217         EL_DF_STEEL_GRID_FIXED_1,
13218         EL_DF_STEEL_GRID_FIXED_8,
13219         EL_DF_STEEL_GRID_FIXED_7,
13220         EL_DF_STEEL_GRID_FIXED_6,
13221         EL_DF_STEEL_GRID_FIXED_5,
13222         EL_DF_STEEL_GRID_FIXED_4,
13223         EL_DF_STEEL_GRID_FIXED_3,
13224         EL_DF_STEEL_GRID_FIXED_2
13225       },
13226       {
13227         EL_DF_WOODEN_GRID_FIXED_1,
13228         EL_DF_WOODEN_GRID_FIXED_8,
13229         EL_DF_WOODEN_GRID_FIXED_7,
13230         EL_DF_WOODEN_GRID_FIXED_6,
13231         EL_DF_WOODEN_GRID_FIXED_5,
13232         EL_DF_WOODEN_GRID_FIXED_4,
13233         EL_DF_WOODEN_GRID_FIXED_3,
13234         EL_DF_WOODEN_GRID_FIXED_2
13235       },
13236       {
13237         EL_DF_STEEL_GRID_ROTATING_1,
13238         EL_DF_STEEL_GRID_ROTATING_8,
13239         EL_DF_STEEL_GRID_ROTATING_7,
13240         EL_DF_STEEL_GRID_ROTATING_6,
13241         EL_DF_STEEL_GRID_ROTATING_5,
13242         EL_DF_STEEL_GRID_ROTATING_4,
13243         EL_DF_STEEL_GRID_ROTATING_3,
13244         EL_DF_STEEL_GRID_ROTATING_2
13245       },
13246       {
13247         EL_DF_WOODEN_GRID_ROTATING_1,
13248         EL_DF_WOODEN_GRID_ROTATING_8,
13249         EL_DF_WOODEN_GRID_ROTATING_7,
13250         EL_DF_WOODEN_GRID_ROTATING_6,
13251         EL_DF_WOODEN_GRID_ROTATING_5,
13252         EL_DF_WOODEN_GRID_ROTATING_4,
13253         EL_DF_WOODEN_GRID_ROTATING_3,
13254         EL_DF_WOODEN_GRID_ROTATING_2
13255       },
13256
13257       {
13258         -1,
13259       },
13260     };
13261     static int rotatable_elements_16[][16] =
13262     {
13263       {
13264         EL_MM_MIRROR_1,
13265         EL_MM_MIRROR_16,
13266         EL_MM_MIRROR_15,
13267         EL_MM_MIRROR_14,
13268         EL_MM_MIRROR_13,
13269         EL_MM_MIRROR_12,
13270         EL_MM_MIRROR_11,
13271         EL_MM_MIRROR_10,
13272         EL_MM_MIRROR_9,
13273         EL_MM_MIRROR_8,
13274         EL_MM_MIRROR_7,
13275         EL_MM_MIRROR_6,
13276         EL_MM_MIRROR_5,
13277         EL_MM_MIRROR_4,
13278         EL_MM_MIRROR_3,
13279         EL_MM_MIRROR_2
13280       },
13281       {
13282         EL_MM_TELEPORTER_5,
13283         EL_MM_TELEPORTER_4,
13284         EL_MM_TELEPORTER_3,
13285         EL_MM_TELEPORTER_2,
13286         EL_MM_TELEPORTER_1,
13287         EL_MM_TELEPORTER_16,
13288         EL_MM_TELEPORTER_15,
13289         EL_MM_TELEPORTER_14,
13290         EL_MM_TELEPORTER_13,
13291         EL_MM_TELEPORTER_12,
13292         EL_MM_TELEPORTER_11,
13293         EL_MM_TELEPORTER_10,
13294         EL_MM_TELEPORTER_9,
13295         EL_MM_TELEPORTER_8,
13296         EL_MM_TELEPORTER_7,
13297         EL_MM_TELEPORTER_6
13298       },
13299       {
13300         EL_MM_TELEPORTER_RED_5,
13301         EL_MM_TELEPORTER_RED_4,
13302         EL_MM_TELEPORTER_RED_3,
13303         EL_MM_TELEPORTER_RED_2,
13304         EL_MM_TELEPORTER_RED_1,
13305         EL_MM_TELEPORTER_RED_16,
13306         EL_MM_TELEPORTER_RED_15,
13307         EL_MM_TELEPORTER_RED_14,
13308         EL_MM_TELEPORTER_RED_13,
13309         EL_MM_TELEPORTER_RED_12,
13310         EL_MM_TELEPORTER_RED_11,
13311         EL_MM_TELEPORTER_RED_10,
13312         EL_MM_TELEPORTER_RED_9,
13313         EL_MM_TELEPORTER_RED_8,
13314         EL_MM_TELEPORTER_RED_7,
13315         EL_MM_TELEPORTER_RED_6
13316       },
13317       {
13318         EL_MM_TELEPORTER_YELLOW_5,
13319         EL_MM_TELEPORTER_YELLOW_4,
13320         EL_MM_TELEPORTER_YELLOW_3,
13321         EL_MM_TELEPORTER_YELLOW_2,
13322         EL_MM_TELEPORTER_YELLOW_1,
13323         EL_MM_TELEPORTER_YELLOW_16,
13324         EL_MM_TELEPORTER_YELLOW_15,
13325         EL_MM_TELEPORTER_YELLOW_14,
13326         EL_MM_TELEPORTER_YELLOW_13,
13327         EL_MM_TELEPORTER_YELLOW_12,
13328         EL_MM_TELEPORTER_YELLOW_11,
13329         EL_MM_TELEPORTER_YELLOW_10,
13330         EL_MM_TELEPORTER_YELLOW_9,
13331         EL_MM_TELEPORTER_YELLOW_8,
13332         EL_MM_TELEPORTER_YELLOW_7,
13333         EL_MM_TELEPORTER_YELLOW_6
13334       },
13335       {
13336         EL_MM_TELEPORTER_GREEN_5,
13337         EL_MM_TELEPORTER_GREEN_4,
13338         EL_MM_TELEPORTER_GREEN_3,
13339         EL_MM_TELEPORTER_GREEN_2,
13340         EL_MM_TELEPORTER_GREEN_1,
13341         EL_MM_TELEPORTER_GREEN_16,
13342         EL_MM_TELEPORTER_GREEN_15,
13343         EL_MM_TELEPORTER_GREEN_14,
13344         EL_MM_TELEPORTER_GREEN_13,
13345         EL_MM_TELEPORTER_GREEN_12,
13346         EL_MM_TELEPORTER_GREEN_11,
13347         EL_MM_TELEPORTER_GREEN_10,
13348         EL_MM_TELEPORTER_GREEN_9,
13349         EL_MM_TELEPORTER_GREEN_8,
13350         EL_MM_TELEPORTER_GREEN_7,
13351         EL_MM_TELEPORTER_GREEN_6
13352       },
13353       {
13354         EL_MM_TELEPORTER_BLUE_5,
13355         EL_MM_TELEPORTER_BLUE_4,
13356         EL_MM_TELEPORTER_BLUE_3,
13357         EL_MM_TELEPORTER_BLUE_2,
13358         EL_MM_TELEPORTER_BLUE_1,
13359         EL_MM_TELEPORTER_BLUE_16,
13360         EL_MM_TELEPORTER_BLUE_15,
13361         EL_MM_TELEPORTER_BLUE_14,
13362         EL_MM_TELEPORTER_BLUE_13,
13363         EL_MM_TELEPORTER_BLUE_12,
13364         EL_MM_TELEPORTER_BLUE_11,
13365         EL_MM_TELEPORTER_BLUE_10,
13366         EL_MM_TELEPORTER_BLUE_9,
13367         EL_MM_TELEPORTER_BLUE_8,
13368         EL_MM_TELEPORTER_BLUE_7,
13369         EL_MM_TELEPORTER_BLUE_6
13370       },
13371       {
13372         EL_MM_POLARIZER_1,
13373         EL_MM_POLARIZER_16,
13374         EL_MM_POLARIZER_15,
13375         EL_MM_POLARIZER_14,
13376         EL_MM_POLARIZER_13,
13377         EL_MM_POLARIZER_12,
13378         EL_MM_POLARIZER_11,
13379         EL_MM_POLARIZER_10,
13380         EL_MM_POLARIZER_9,
13381         EL_MM_POLARIZER_8,
13382         EL_MM_POLARIZER_7,
13383         EL_MM_POLARIZER_6,
13384         EL_MM_POLARIZER_5,
13385         EL_MM_POLARIZER_4,
13386         EL_MM_POLARIZER_3,
13387         EL_MM_POLARIZER_2
13388       },
13389       {
13390         EL_DF_MIRROR_1,
13391         EL_DF_MIRROR_16,
13392         EL_DF_MIRROR_15,
13393         EL_DF_MIRROR_14,
13394         EL_DF_MIRROR_13,
13395         EL_DF_MIRROR_12,
13396         EL_DF_MIRROR_11,
13397         EL_DF_MIRROR_10,
13398         EL_DF_MIRROR_9,
13399         EL_DF_MIRROR_8,
13400         EL_DF_MIRROR_7,
13401         EL_DF_MIRROR_6,
13402         EL_DF_MIRROR_5,
13403         EL_DF_MIRROR_4,
13404         EL_DF_MIRROR_3,
13405         EL_DF_MIRROR_2
13406       },
13407       {
13408         EL_DF_MIRROR_ROTATING_1,
13409         EL_DF_MIRROR_ROTATING_16,
13410         EL_DF_MIRROR_ROTATING_15,
13411         EL_DF_MIRROR_ROTATING_14,
13412         EL_DF_MIRROR_ROTATING_13,
13413         EL_DF_MIRROR_ROTATING_12,
13414         EL_DF_MIRROR_ROTATING_11,
13415         EL_DF_MIRROR_ROTATING_10,
13416         EL_DF_MIRROR_ROTATING_9,
13417         EL_DF_MIRROR_ROTATING_8,
13418         EL_DF_MIRROR_ROTATING_7,
13419         EL_DF_MIRROR_ROTATING_6,
13420         EL_DF_MIRROR_ROTATING_5,
13421         EL_DF_MIRROR_ROTATING_4,
13422         EL_DF_MIRROR_ROTATING_3,
13423         EL_DF_MIRROR_ROTATING_2
13424       },
13425       {
13426         EL_DF_MIRROR_FIXED_1,
13427         EL_DF_MIRROR_FIXED_16,
13428         EL_DF_MIRROR_FIXED_15,
13429         EL_DF_MIRROR_FIXED_14,
13430         EL_DF_MIRROR_FIXED_13,
13431         EL_DF_MIRROR_FIXED_12,
13432         EL_DF_MIRROR_FIXED_11,
13433         EL_DF_MIRROR_FIXED_10,
13434         EL_DF_MIRROR_FIXED_9,
13435         EL_DF_MIRROR_FIXED_8,
13436         EL_DF_MIRROR_FIXED_7,
13437         EL_DF_MIRROR_FIXED_6,
13438         EL_DF_MIRROR_FIXED_5,
13439         EL_DF_MIRROR_FIXED_4,
13440         EL_DF_MIRROR_FIXED_3,
13441         EL_DF_MIRROR_FIXED_2
13442       },
13443
13444       {
13445         -1,
13446       },
13447     };
13448     int i, j;
13449
13450     for (i = 0; swappable_elements[i][0] != -1; i++)
13451     {
13452       int element1 = swappable_elements[i][0];
13453       int element2 = swappable_elements[i][1];
13454
13455       if (old_element == element1 || old_element == element2)
13456         new_element = (old_element == element1 ? element2 : element1);
13457     }
13458
13459     for (i = 0; rotatable_elements_4[i][0] != -1; i++)
13460     {
13461       for (j = 0; j < 4; j++)
13462       {
13463         int element = rotatable_elements_4[i][j];
13464
13465         if (old_element == element)
13466           new_element = (button == 1 ? rotatable_elements_4[i][(j + 3) % 4] :
13467                          button == 2 ? rotatable_elements_4[i][0]           :
13468                          button == 3 ? rotatable_elements_4[i][(j + 1) % 4] :
13469                          old_element);
13470       }
13471     }
13472
13473     for (i = 0; rotatable_elements_8[i][0] != -1; i++)
13474     {
13475       for (j = 0; j < 8; j++)
13476       {
13477         int element = rotatable_elements_8[i][j];
13478
13479         if (old_element == element)
13480           new_element = (button == 1 ? rotatable_elements_8[i][(j + 7) % 8] :
13481                          button == 2 ? rotatable_elements_8[i][0]           :
13482                          button == 3 ? rotatable_elements_8[i][(j + 1) % 8] :
13483                          old_element);
13484       }
13485     }
13486
13487     for (i = 0; rotatable_elements_16[i][0] != -1; i++)
13488     {
13489       for (j = 0; j < 16; j++)
13490       {
13491         int element = rotatable_elements_16[i][j];
13492
13493         if (old_element == element)
13494           new_element = (button == 1 ? rotatable_elements_16[i][(j + 15) % 16] :
13495                          button == 2 ? rotatable_elements_16[i][0]             :
13496                          button == 3 ? rotatable_elements_16[i][(j + 1)  % 16] :
13497                          old_element);
13498       }
13499     }
13500
13501     if (old_element != new_element)
13502     {
13503       int max_infotext_len = getMaxInfoTextLength();
13504       char infotext[MAX_OUTPUT_LINESIZE + 1];
13505
13506       strncpy(infotext, getElementInfoText(new_element), max_infotext_len);
13507       infotext[max_infotext_len] = '\0';
13508
13509       ClearEditorGadgetInfoText();
13510
13511       DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT,
13512                 infotext);
13513     }
13514   }
13515
13516   if (IS_MM_WALL_EDITOR(new_element))
13517     SetElementSimpleExt(x, y, dx, dy, new_element, change_level);
13518   else
13519     SetElementSimple(x, y, new_element, change_level);
13520
13521   last_x = x;
13522   last_y = y;
13523 }
13524
13525 static void ResetIntelliDraw(void)
13526 {
13527   int x, y;
13528
13529   for (x = 0; x < lev_fieldx; x++)
13530     for (y = 0; y < lev_fieldy; y++)
13531       IntelliDrawBuffer[x][y] = Tile[x][y];
13532
13533   SetElementIntelliDraw(-1, -1, -1, -1, EL_UNDEFINED, FALSE, -1);
13534 }
13535
13536 static boolean draw_mode_hires = FALSE;
13537
13538 static boolean isHiresTileElement(int element)
13539 {
13540   return (IS_MM_WALL(element)        || element == EL_EMPTY);
13541 }
13542
13543 static boolean isHiresDrawElement(int element)
13544 {
13545   return (IS_MM_WALL_EDITOR(element) || element == EL_EMPTY);
13546 }
13547
13548 static int numHiresTiles(int element)
13549 {
13550   if (IS_MM_WALL(element))
13551     return get_number_of_bits(MM_WALL_BITS(element));
13552
13553   return 1;
13554 }
13555
13556 static void SetDrawModeHiRes(int element)
13557 {
13558   draw_mode_hires =
13559     (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
13560      isHiresDrawElement(element));
13561 }
13562
13563 static boolean getDrawModeHiRes(void)
13564 {
13565   return draw_mode_hires;
13566 }
13567
13568 static int getLoResScreenPos(int pos)
13569 {
13570   return (getDrawModeHiRes() ? pos / 2 : pos);
13571 }
13572
13573 static int getLoResScreenMod(int pos)
13574 {
13575   return (getDrawModeHiRes() ? pos % 2 : 0);
13576 }
13577
13578 static void SetElementExt(int x, int y, int dx, int dy, int element,
13579                           boolean change_level, int button)
13580 {
13581   if (element < 0)
13582     SetElementSimple(x, y, Tile[x][y], change_level);
13583   else if (GetKeyModState() & KMOD_Shift)
13584     SetElementIntelliDraw(x, y, dx, dy, element, change_level, button);
13585   else
13586     SetElementSimpleExt(x, y, dx, dy, element, change_level);
13587 }
13588
13589 static void SetElement(int x, int y, int element)
13590 {
13591   SetElementExt(x, y, 0, 0, element, TRUE, -1);
13592 }
13593
13594 static void SetElementButton(int x, int y, int dx, int dy, int element,
13595                              int button)
13596 {
13597   SetElementExt(x, y, dx, dy, element, TRUE, button);
13598 }
13599
13600 static void SetElementHiRes(int sx2, int sy2, int element, boolean change_level)
13601 {
13602   int lx = getLoResScreenPos(sx2) + level_xpos;
13603   int ly = getLoResScreenPos(sy2) + level_ypos;
13604   int dx = getLoResScreenMod(sx2);
13605   int dy = getLoResScreenMod(sy2);
13606
13607   SetElementExt(lx, ly, dx, dy, element, change_level, -1);
13608 }
13609
13610 static void SetLevelElementHiRes(int lx2, int ly2, int element)
13611 {
13612   int lx = lx2 / 2;
13613   int ly = ly2 / 2;
13614   int dx = lx2 % 2;
13615   int dy = ly2 % 2;
13616
13617   SetElementExt(lx, ly, dx, dy, element, TRUE, -1);
13618 }
13619
13620 static int getLevelElementHiRes(int lx2, int ly2)
13621 {
13622   int lx = lx2 / 2;
13623   int ly = ly2 / 2;
13624   int dx = lx2 % 2;
13625   int dy = ly2 % 2;
13626   int element = Tile[lx][ly];
13627   unsigned int bitmask = (dx + 1) << (dy * 2);
13628
13629   if (IS_MM_WALL(element))
13630   {
13631     if (element & bitmask)
13632       return map_mm_wall_element(element);
13633     else
13634       return EL_EMPTY;
13635   }
13636
13637   return element;
13638 }
13639
13640 static void DrawLineElement(int x, int y, int element, boolean change_level)
13641 {
13642   SetElementHiRes(x, y, element, change_level);
13643 }
13644
13645 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
13646                      int element, boolean change_level)
13647 {
13648   int xsize = ABS(to_x - from_x);
13649   int ysize = ABS(to_y - from_y);
13650   int dx = (to_x < from_x ? -1 : +1);
13651   int dy = (to_y < from_y ? -1 : +1);
13652   int i;
13653
13654   if (from_y == to_y)                   // horizontal line
13655   {
13656     for (i = 0; i <= xsize; i++)
13657       DrawLineElement(from_x + i * dx, from_y, element, change_level);
13658   }
13659   else if (from_x == to_x)              // vertical line
13660   {
13661     for (i = 0; i <= ysize; i++)
13662       DrawLineElement(from_x, from_y + i * dy, element, change_level);
13663   }
13664   else                                  // diagonal line
13665   {
13666     if (ysize < xsize)                  // a < 1
13667     {
13668       float a = (float)ysize / (float)xsize;
13669
13670       for (i = 0; i <= xsize; i++)
13671       {
13672         int x = dx * i;
13673         int y = dy * (int)(a * i + 0.5);
13674
13675         DrawLineElement(from_x + x, from_y + y, element, change_level);
13676       }
13677     }
13678     else                                // a >= 1
13679     {
13680       float a = (float)xsize / (float)ysize;
13681
13682       for (i = 0; i <= ysize; i++)
13683       {
13684         int x = dx * (int)(a * i + 0.5);
13685         int y = dy * i;
13686
13687         DrawLineElement(from_x + x, from_y + y, element, change_level);
13688       }
13689     }
13690   }
13691 }
13692
13693 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
13694                     int element, boolean change_level)
13695 {
13696   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
13697   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
13698   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
13699   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
13700 }
13701
13702 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
13703                           int element, boolean change_level)
13704 {
13705   int y;
13706
13707   if (from_y > to_y)
13708     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
13709
13710   for (y = from_y; y <= to_y; y++)
13711     DrawLine(from_x, y, to_x, y, element, change_level);
13712 }
13713
13714 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
13715                        int element, boolean change_level)
13716 {
13717   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
13718   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
13719   int len_x = ABS(to_x - from_x);
13720   int len_y = ABS(to_y - from_y);
13721   int radius, x, y;
13722
13723   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
13724
13725   // not optimal (some points get drawn twice) but simple,
13726   // and fast enough for the few points we are drawing
13727
13728   for (x = 0; x <= radius; x++)
13729   {
13730     int sx, sy, sx2, sy2, lx, ly;
13731
13732     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
13733
13734     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
13735     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
13736     sx = getLoResScreenPos(sx2);
13737     sy = getLoResScreenPos(sy2);
13738     lx = sx + level_xpos;
13739     ly = sy + level_ypos;
13740
13741     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
13742       DrawLineElement(sx2, sy2, element, change_level);
13743   }
13744
13745   for (y = 0; y <= radius; y++)
13746   {
13747     int sx, sy, sx2, sy2, lx, ly;
13748
13749     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
13750
13751     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
13752     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
13753     sx = getLoResScreenPos(sx2);
13754     sy = getLoResScreenPos(sy2);
13755     lx = sx + level_xpos;
13756     ly = sy + level_ypos;
13757
13758     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
13759       DrawLineElement(sx2, sy2, element, change_level);
13760   }
13761 }
13762
13763 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
13764                     int element, boolean change_level)
13765 {
13766   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
13767   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
13768
13769   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
13770 }
13771
13772 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
13773
13774 #if DRAW_CIRCLES_BUTTON_AVAILABLE
13775 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
13776                        int element, boolean change_level)
13777 {
13778   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
13779   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
13780   int mirror_to_x2 = from_x - (to_x2 - from_x);
13781   int mirror_to_y2 = from_y - (to_y2 - from_y);
13782
13783   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
13784   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
13785   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
13786   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element, change_level);
13787 }
13788 #endif
13789
13790 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
13791 {
13792   int from_sx, from_sy;
13793   int to_sx, to_sy;
13794
13795   if (from_x > to_x)
13796     swap_numbers(&from_x, &to_x);
13797
13798   if (from_y > to_y)
13799     swap_numbers(&from_y, &to_y);
13800
13801   from_sx = SX + from_x * ed_tilesize;
13802   from_sy = SY + from_y * ed_tilesize;
13803   to_sx = SX + (to_x + 1) * ed_tilesize - 1;
13804   to_sy = SY + (to_y + 1) * ed_tilesize - 1;
13805
13806   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
13807   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
13808   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
13809   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
13810
13811   if (from_x == to_x && from_y == to_y)
13812     MarkTileDirty(from_x/2, from_y/2);
13813   else
13814     redraw_mask |= REDRAW_FIELD;
13815 }
13816
13817 static void DrawAreaBox(int from_x, int from_y, int to_x, int to_y,
13818                         int element, boolean change_level)
13819 {
13820   DrawBox(from_x, from_y, to_x, to_y, element, change_level);
13821 }
13822
13823 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
13824                        int element, boolean change_level)
13825 {
13826   if (element == -1 || change_level)
13827     DrawAreaBox(from_x, from_y, to_x, to_y, -1, FALSE);
13828   else
13829     DrawAreaBorder(from_x, from_y, to_x, to_y);
13830 }
13831
13832 // values for CopyBrushExt()
13833 #define CB_AREA_TO_BRUSH                0
13834 #define CB_BRUSH_TO_CURSOR              1
13835 #define CB_BRUSH_TO_LEVEL               2
13836 #define CB_DELETE_OLD_CURSOR            3
13837 #define CB_DUMP_BRUSH                   4
13838 #define CB_DUMP_BRUSH_SMALL             5
13839 #define CB_CLIPBOARD_TO_BRUSH           6
13840 #define CB_BRUSH_TO_CLIPBOARD           7
13841 #define CB_BRUSH_TO_CLIPBOARD_SMALL     8
13842 #define CB_UPDATE_BRUSH_POSITION        9
13843 #define CB_FLIP_BRUSH_X                 10
13844 #define CB_FLIP_BRUSH_Y                 11
13845 #define CB_FLIP_BRUSH_XY                12
13846
13847 #define MAX_CB_PART_SIZE        10
13848 #define MAX_CB_LINE_SIZE        (MAX_LEV_FIELDX + 1)    // text plus newline
13849 #define MAX_CB_NUM_LINES        (MAX_LEV_FIELDY)
13850 #define MAX_CB_TEXT_SIZE        (MAX_CB_LINE_SIZE *     \
13851                                  MAX_CB_NUM_LINES *     \
13852                                  MAX_CB_PART_SIZE)
13853
13854 static int getFlippedTileExt(int map[], int element)
13855 {
13856   int i;
13857
13858   for (i = 0; map[i] != -1; i++)
13859     if (map[i] == element)
13860       return map[i ^ 1];        // get flipped element by flipping LSB of index
13861
13862   return element;
13863 }
13864
13865 static int getFlippedTileX(int element)
13866 {
13867   int map[] =
13868   {
13869     EL_BD_BUTTERFLY_LEFT,               EL_BD_BUTTERFLY_RIGHT,
13870     EL_BD_FIREFLY_LEFT,                 EL_BD_FIREFLY_RIGHT,
13871     EL_BUG_LEFT,                        EL_BUG_RIGHT,
13872     EL_SPACESHIP_LEFT,                  EL_SPACESHIP_RIGHT,
13873     EL_PACMAN_LEFT,                     EL_PACMAN_RIGHT,
13874     EL_ARROW_LEFT,                      EL_ARROW_RIGHT,
13875     EL_MOLE_LEFT,                       EL_MOLE_RIGHT,
13876     EL_BALLOON_SWITCH_LEFT,             EL_BALLOON_SWITCH_RIGHT,
13877     EL_YAMYAM_LEFT,                     EL_YAMYAM_RIGHT,
13878     EL_SP_PORT_LEFT,                    EL_SP_PORT_RIGHT,
13879     EL_SP_GRAVITY_PORT_LEFT,            EL_SP_GRAVITY_PORT_RIGHT,
13880     EL_SP_GRAVITY_ON_PORT_LEFT,         EL_SP_GRAVITY_ON_PORT_RIGHT,
13881     EL_SP_GRAVITY_OFF_PORT_LEFT,        EL_SP_GRAVITY_OFF_PORT_RIGHT,
13882     EL_CONVEYOR_BELT_1_LEFT,            EL_CONVEYOR_BELT_1_RIGHT,
13883     EL_CONVEYOR_BELT_2_LEFT,            EL_CONVEYOR_BELT_2_RIGHT,
13884     EL_CONVEYOR_BELT_3_LEFT,            EL_CONVEYOR_BELT_3_RIGHT,
13885     EL_CONVEYOR_BELT_4_LEFT,            EL_CONVEYOR_BELT_4_RIGHT,
13886     EL_SPRING_LEFT,                     EL_SPRING_RIGHT,
13887     EL_SP_CHIP_LEFT,                    EL_SP_CHIP_RIGHT,
13888     EL_TUBE_VERTICAL_LEFT,              EL_TUBE_VERTICAL_RIGHT,
13889     EL_TUBE_LEFT_UP,                    EL_TUBE_RIGHT_UP,
13890     EL_TUBE_LEFT_DOWN,                  EL_TUBE_RIGHT_DOWN,
13891     EL_DC_STEELWALL_1_LEFT,             EL_DC_STEELWALL_1_RIGHT,
13892     EL_DC_STEELWALL_1_TOPLEFT,          EL_DC_STEELWALL_1_TOPRIGHT,
13893     EL_DC_STEELWALL_1_BOTTOMLEFT,       EL_DC_STEELWALL_1_BOTTOMRIGHT,
13894     EL_DC_STEELWALL_1_TOPLEFT_2,        EL_DC_STEELWALL_1_TOPRIGHT_2,
13895     EL_DC_STEELWALL_1_BOTTOMLEFT_2,     EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
13896     EL_DC_STEELWALL_2_LEFT,             EL_DC_STEELWALL_2_RIGHT,
13897     EL_ACID_POOL_TOPLEFT,               EL_ACID_POOL_TOPRIGHT,
13898     EL_ACID_POOL_BOTTOMLEFT,            EL_ACID_POOL_BOTTOMRIGHT,
13899
13900     -1
13901   };
13902
13903   return getFlippedTileExt(map, element);
13904 }
13905
13906 static int getFlippedTileY(int element)
13907 {
13908   int map[] =
13909   {
13910     EL_BD_BUTTERFLY_UP,                 EL_BD_BUTTERFLY_DOWN,
13911     EL_BD_FIREFLY_UP,                   EL_BD_FIREFLY_DOWN,
13912     EL_BUG_UP,                          EL_BUG_DOWN,
13913     EL_SPACESHIP_UP,                    EL_SPACESHIP_DOWN,
13914     EL_PACMAN_UP,                       EL_PACMAN_DOWN,
13915     EL_ARROW_UP,                        EL_ARROW_DOWN,
13916     EL_MOLE_UP,                         EL_MOLE_DOWN,
13917     EL_BALLOON_SWITCH_UP,               EL_BALLOON_SWITCH_DOWN,
13918     EL_YAMYAM_UP,                       EL_YAMYAM_DOWN,
13919     EL_SP_PORT_UP,                      EL_SP_PORT_DOWN,
13920     EL_SP_GRAVITY_PORT_UP,              EL_SP_GRAVITY_PORT_DOWN,
13921     EL_SP_GRAVITY_ON_PORT_UP,           EL_SP_GRAVITY_ON_PORT_DOWN,
13922     EL_SP_GRAVITY_OFF_PORT_UP,          EL_SP_GRAVITY_OFF_PORT_DOWN,
13923     EL_SP_CHIP_TOP,                     EL_SP_CHIP_BOTTOM,
13924     EL_TUBE_HORIZONTAL_UP,              EL_TUBE_HORIZONTAL_DOWN,
13925     EL_TUBE_LEFT_UP,                    EL_TUBE_LEFT_DOWN,
13926     EL_TUBE_RIGHT_UP,                   EL_TUBE_RIGHT_DOWN,
13927     EL_DC_STEELWALL_1_TOP,              EL_DC_STEELWALL_1_BOTTOM,
13928     EL_DC_STEELWALL_1_TOPLEFT,          EL_DC_STEELWALL_1_BOTTOMLEFT,
13929     EL_DC_STEELWALL_1_TOPRIGHT,         EL_DC_STEELWALL_1_BOTTOMRIGHT,
13930     EL_DC_STEELWALL_1_TOPLEFT_2,        EL_DC_STEELWALL_1_BOTTOMLEFT_2,
13931     EL_DC_STEELWALL_1_TOPRIGHT_2,       EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
13932     EL_DC_STEELWALL_2_TOP,              EL_DC_STEELWALL_2_BOTTOM,
13933     EL_EMC_WALL_1,                      EL_EMC_WALL_3,
13934
13935     -1
13936   };
13937
13938   return getFlippedTileExt(map, element);
13939 }
13940
13941 static int getFlippedTileXY(int element)
13942 {
13943   int map[] =
13944   {
13945     EL_BD_BUTTERFLY_LEFT,               EL_BD_BUTTERFLY_UP,
13946     EL_BD_BUTTERFLY_RIGHT,              EL_BD_BUTTERFLY_DOWN,
13947     EL_BD_FIREFLY_LEFT,                 EL_BD_FIREFLY_UP,
13948     EL_BD_FIREFLY_RIGHT,                EL_BD_FIREFLY_DOWN,
13949     EL_BUG_LEFT,                        EL_BUG_UP,
13950     EL_BUG_RIGHT,                       EL_BUG_DOWN,
13951     EL_SPACESHIP_LEFT,                  EL_SPACESHIP_UP,
13952     EL_SPACESHIP_RIGHT,                 EL_SPACESHIP_DOWN,
13953     EL_PACMAN_LEFT,                     EL_PACMAN_UP,
13954     EL_PACMAN_RIGHT,                    EL_PACMAN_DOWN,
13955     EL_ARROW_LEFT,                      EL_ARROW_UP,
13956     EL_ARROW_RIGHT,                     EL_ARROW_DOWN,
13957     EL_MOLE_LEFT,                       EL_MOLE_UP,
13958     EL_MOLE_RIGHT,                      EL_MOLE_DOWN,
13959     EL_BALLOON_SWITCH_LEFT,             EL_BALLOON_SWITCH_UP,
13960     EL_BALLOON_SWITCH_RIGHT,            EL_BALLOON_SWITCH_DOWN,
13961     EL_YAMYAM_LEFT,                     EL_YAMYAM_UP,
13962     EL_YAMYAM_RIGHT,                    EL_YAMYAM_DOWN,
13963     EL_SP_PORT_LEFT,                    EL_SP_PORT_UP,
13964     EL_SP_PORT_RIGHT,                   EL_SP_PORT_DOWN,
13965     EL_SP_GRAVITY_PORT_LEFT,            EL_SP_GRAVITY_PORT_UP,
13966     EL_SP_GRAVITY_PORT_RIGHT,           EL_SP_GRAVITY_PORT_DOWN,
13967     EL_SP_GRAVITY_ON_PORT_LEFT,         EL_SP_GRAVITY_ON_PORT_UP,
13968     EL_SP_GRAVITY_ON_PORT_RIGHT,        EL_SP_GRAVITY_ON_PORT_DOWN,
13969     EL_SP_GRAVITY_OFF_PORT_LEFT,        EL_SP_GRAVITY_OFF_PORT_UP,
13970     EL_SP_GRAVITY_OFF_PORT_RIGHT,       EL_SP_GRAVITY_OFF_PORT_DOWN,
13971     EL_SP_CHIP_LEFT,                    EL_SP_CHIP_TOP,
13972     EL_SP_CHIP_RIGHT,                   EL_SP_CHIP_BOTTOM,
13973     EL_TUBE_VERTICAL,                   EL_TUBE_HORIZONTAL,
13974     EL_TUBE_VERTICAL_LEFT,              EL_TUBE_HORIZONTAL_UP,
13975     EL_TUBE_VERTICAL_RIGHT,             EL_TUBE_HORIZONTAL_DOWN,
13976     EL_TUBE_LEFT_DOWN,                  EL_TUBE_RIGHT_UP,
13977     EL_DC_STEELWALL_1_LEFT,             EL_DC_STEELWALL_1_TOP,
13978     EL_DC_STEELWALL_1_RIGHT,            EL_DC_STEELWALL_1_BOTTOM,
13979     EL_DC_STEELWALL_1_HORIZONTAL,       EL_DC_STEELWALL_1_VERTICAL,
13980     EL_DC_STEELWALL_1_TOPRIGHT,         EL_DC_STEELWALL_1_BOTTOMLEFT,
13981     EL_DC_STEELWALL_1_TOPRIGHT_2,       EL_DC_STEELWALL_1_BOTTOMLEFT_2,
13982     EL_DC_STEELWALL_2_LEFT,             EL_DC_STEELWALL_2_TOP,
13983     EL_DC_STEELWALL_2_RIGHT,            EL_DC_STEELWALL_2_BOTTOM,
13984     EL_DC_STEELWALL_2_HORIZONTAL,       EL_DC_STEELWALL_2_VERTICAL,
13985     EL_EXPANDABLE_WALL_HORIZONTAL,      EL_EXPANDABLE_WALL_VERTICAL,
13986     EL_EXPANDABLE_STEELWALL_HORIZONTAL, EL_EXPANDABLE_STEELWALL_VERTICAL,
13987
13988     -1
13989   };
13990
13991   return getFlippedTileExt(map, element);
13992 }
13993
13994 static int getFlippedTile(int element, int mode)
13995 {
13996   if (IS_MM_ELEMENT(element))
13997   {
13998     // get MM game element
13999     element = map_element_RND_to_MM(element);
14000
14001     // get flipped game element
14002     element = (mode == CB_FLIP_BRUSH_X  ? getFlippedTileX_MM(element) :
14003                mode == CB_FLIP_BRUSH_Y  ? getFlippedTileY_MM(element) :
14004                mode == CB_FLIP_BRUSH_XY ? getFlippedTileXY_MM(element) :
14005                element);
14006
14007     // get RND game element again
14008     element = map_element_MM_to_RND(element);
14009   }
14010   else
14011   {
14012     // get flipped game element
14013     element = (mode == CB_FLIP_BRUSH_X  ? getFlippedTileX(element) :
14014                mode == CB_FLIP_BRUSH_Y  ? getFlippedTileY(element) :
14015                mode == CB_FLIP_BRUSH_XY ? getFlippedTileXY(element) :
14016                element);
14017   }
14018
14019   return element;
14020 }
14021
14022 static void SwapFlippedTiles(short *tile1, short *tile2, int mode)
14023 {
14024   // flip tiles
14025   short tile1_flipped = getFlippedTile(*tile1, mode);
14026   short tile2_flipped = getFlippedTile(*tile2, mode);
14027
14028   // swap tiles
14029   *tile1 = tile2_flipped;
14030   *tile2 = tile1_flipped;
14031 }
14032
14033 static void DrawBrushElement(int sx, int sy, int element, boolean change_level)
14034 {
14035   DrawLineElement(sx, sy, element, change_level);
14036 }
14037
14038 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
14039                          int button, int mode)
14040 {
14041   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
14042   static int brush_width, brush_height;
14043   static int last_cursor_x = -1, last_cursor_y = -1;
14044   static boolean delete_old_brush = FALSE;
14045   int new_element = BUTTON_ELEMENT(button);
14046   int x, y;
14047
14048   if (mode == CB_DUMP_BRUSH ||
14049       mode == CB_DUMP_BRUSH_SMALL ||
14050       mode == CB_BRUSH_TO_CLIPBOARD ||
14051       mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
14052   {
14053     if (edit_mode != ED_MODE_DRAWING)
14054       return;
14055
14056     char part[MAX_CB_PART_SIZE + 1] = "";
14057     char text[MAX_CB_TEXT_SIZE + 1] = "";
14058     int width  = (draw_with_brush ? brush_width  : lev_fieldx);
14059     int height = (draw_with_brush ? brush_height : lev_fieldy);
14060     char *format = "%s%03d";
14061
14062     for (y = 0; y < height; y++)
14063       for (x = 0; x < width; x++)
14064         if ((draw_with_brush ? brush_buffer[x][y] : Tile[x][y]) > 999)
14065           format = "%s%04d";
14066
14067     for (y = 0; y < height; y++)
14068     {
14069       for (x = 0; x < width; x++)
14070       {
14071         int element = (draw_with_brush ? brush_buffer[x][y] : Tile[x][y]);
14072         char *prefix = (mode == CB_DUMP_BRUSH ||
14073                         mode == CB_BRUSH_TO_CLIPBOARD ? "`" : "¸");
14074
14075         if (element >= NUM_FILE_ELEMENTS)
14076           element = EL_UNKNOWN;
14077
14078         // copy brush to level sketch text buffer for the R'n'D forum:
14079         // - large tiles: `xxx or `xxxx (0x60 ASCII)
14080         // - small tiles: ¸xxx or ¸xxxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
14081         snprintf(part, MAX_CB_PART_SIZE + 1, format, prefix, element);
14082         strcat(text, part);
14083       }
14084
14085       strcat(text, "\n");
14086     }
14087
14088     if (mode == CB_BRUSH_TO_CLIPBOARD ||
14089         mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
14090       SDL_SetClipboardText(text);
14091     else
14092       Print("%s", text);        // print brush data to console and log file
14093
14094     return;
14095   }
14096
14097   if (mode == CB_CLIPBOARD_TO_BRUSH)
14098   {
14099     if (edit_mode != ED_MODE_DRAWING)
14100       return;
14101
14102     if (!SDL_HasClipboardText())
14103     {
14104       Request("Clipboard is empty!", REQ_CONFIRM);
14105
14106       return;
14107     }
14108
14109     boolean copy_to_brush = (draw_with_brush ||
14110                              drawing_function == GADGET_ID_GRAB_BRUSH);
14111
14112     // this will delete the old brush, if already drawing with a brush
14113     if (copy_to_brush)
14114       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], MB_LEFTBUTTON);
14115
14116     // initialization is required for "odd" (incomplete) clipboard content
14117     for (x = 0; x < MAX_LEV_FIELDX; x++)
14118       for (y = 0; y < MAX_LEV_FIELDY; y++)
14119         brush_buffer[x][y] = EL_EMPTY;
14120
14121     brush_width  = 0;
14122     brush_height = 0;
14123     x = 0;
14124     y = 0;
14125
14126     char *clipboard_text = SDL_GetClipboardText();
14127     char *ptr = clipboard_text;
14128     boolean allow_new_row = FALSE;
14129     boolean stop = FALSE;
14130
14131     while (*ptr && !stop)
14132     {
14133       boolean prefix_found = FALSE;
14134       boolean start_new_row = FALSE;
14135
14136       // level sketch element number prefixes (may be multi-byte characters)
14137       char *prefix_list[] = { "`", "¸" };
14138       int i;
14139
14140       for (i = 0; i < ARRAY_SIZE(prefix_list); i++)
14141       {
14142         char *prefix = prefix_list[i];
14143
14144         // check if string is large enough for prefix
14145         if (strlen(ptr) < strlen(prefix))
14146         {
14147           stop = TRUE;
14148
14149           break;
14150         }
14151
14152         // check if string starts with prefix
14153         if (strPrefix(ptr, prefix))
14154         {
14155           ptr += strlen(prefix);
14156
14157           prefix_found = TRUE;
14158
14159           break;
14160         }
14161       }
14162
14163       // check if prefix found and followed by (at least) three digits
14164       if (prefix_found &&
14165           strlen(ptr) >= 3 &&
14166           ptr[0] >= '0' && ptr[0] <= '9' &&
14167           ptr[1] >= '0' && ptr[1] <= '9' &&
14168           ptr[2] >= '0' && ptr[2] <= '9')
14169       {
14170         int element = ((ptr[0] - '0') * 100 +
14171                        (ptr[1] - '0') * 10 +
14172                        (ptr[2] - '0'));
14173
14174         ptr += 3;
14175
14176         // level sketch element number might consist of four digits
14177         if (ptr[0] >= '0' && ptr[0] <= '9')
14178         {
14179           element = element * 10 + (ptr[0] - '0');
14180           ptr++;
14181         }
14182
14183         // remap some (historic, now obsolete) elements
14184         element = getMappedElement(element);
14185
14186         if (element >= NUM_FILE_ELEMENTS)
14187           element = EL_UNKNOWN;
14188
14189         brush_buffer[x][y] = element;
14190
14191         brush_width  = MAX(x + 1, brush_width);
14192         brush_height = MAX(y + 1, brush_height);
14193
14194         x++;
14195
14196         if (x >= MAX_LEV_FIELDX)
14197           start_new_row = TRUE;
14198
14199         allow_new_row = TRUE;
14200       }
14201       else
14202       {
14203         if ((*ptr == '\n' || *ptr == '\r') && allow_new_row)
14204           start_new_row = TRUE;
14205
14206         ptr++;          // !!! FIX THIS for real UTF-8 handling !!!
14207       }
14208
14209       if (start_new_row)
14210       {
14211         x = 0;
14212         y++;
14213
14214         if (y >= MAX_LEV_FIELDY)
14215           stop = TRUE;
14216
14217         allow_new_row = FALSE;
14218       }
14219     }
14220
14221     SDL_free(clipboard_text);
14222
14223     if (brush_width == 0 || brush_height == 0)
14224     {
14225       Request("No level sketch found in clipboard!", REQ_CONFIRM);
14226
14227       return;
14228     }
14229
14230     if (copy_to_brush)
14231     {
14232       struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_DRAWING_LEVEL];
14233       int mx, my;
14234
14235       SDL_GetMouseState(&mx, &my);
14236
14237       // if inside drawing area, activate and draw brush at last mouse position
14238       if (mx >= gi->x && mx < gi->x + gi->width &&
14239           my >= gi->y && my < gi->y + gi->height)
14240         CopyBrushToCursor(last_cursor_x, last_cursor_y);
14241
14242       draw_with_brush = TRUE;
14243     }
14244     else
14245     {
14246       char request[100];
14247
14248       sprintf(request, "Replace level with %dx%d level sketch from clipboard?",
14249               brush_width, brush_height);
14250
14251       if (!Request(request, REQ_ASK))
14252         return;
14253
14254       for (x = 0; x < MAX_LEV_FIELDX; x++)
14255         for (y = 0; y < MAX_LEV_FIELDY; y++)
14256           Tile[x][y] = brush_buffer[x][y];
14257
14258       lev_fieldx = level.fieldx = brush_width;
14259       lev_fieldy = level.fieldy = brush_height;
14260
14261       boolean use_bd_engine = TRUE;
14262       boolean use_em_engine = TRUE;
14263       boolean use_sp_engine = TRUE;
14264       boolean use_mm_engine = TRUE;
14265
14266       for (x = 0; x < MAX_LEV_FIELDX; x++)
14267       {
14268         for (y = 0; y < MAX_LEV_FIELDY; y++)
14269         {
14270           int element = Tile[x][y];
14271
14272           if (!IS_BD_ELEMENT(element) && !IS_PLAYER_ELEMENT(element))
14273             use_bd_engine = FALSE;
14274
14275           if (!IS_EM_ELEMENT(element) && !IS_PLAYER_ELEMENT(element))
14276             use_em_engine = FALSE;
14277
14278           if (!IS_SP_ELEMENT(element))
14279             use_sp_engine = FALSE;
14280
14281           if (!IS_MM_ELEMENT(element) && element != EL_EMPTY)
14282             use_mm_engine = FALSE;
14283         }
14284       }
14285
14286       level.game_engine_type = (use_bd_engine ? GAME_ENGINE_TYPE_BD :
14287                                 use_em_engine ? GAME_ENGINE_TYPE_EM :
14288                                 use_sp_engine ? GAME_ENGINE_TYPE_SP :
14289                                 use_mm_engine ? GAME_ENGINE_TYPE_MM :
14290                                 GAME_ENGINE_TYPE_RND);
14291
14292       // update element selection list
14293       ReinitializeElementList();
14294       ModifyEditorElementList();
14295
14296       SetBorderElement();
14297
14298       DrawEditModeWindow();
14299       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14300     }
14301
14302     return;
14303   }
14304
14305   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
14306     return;
14307
14308   if (mode == CB_AREA_TO_BRUSH)
14309   {
14310     int from_lx, from_ly;
14311
14312     if (from_x > to_x)
14313       swap_numbers(&from_x, &to_x);
14314
14315     if (from_y > to_y)
14316       swap_numbers(&from_y, &to_y);
14317
14318     brush_width = to_x - from_x + 1;
14319     brush_height = to_y - from_y + 1;
14320
14321     from_lx = from_x + level_xpos;
14322     from_ly = from_y + level_ypos;
14323
14324     for (y = 0; y < brush_height; y++)
14325     {
14326       for (x = 0; x < brush_width; x++)
14327       {
14328         brush_buffer[x][y] = Tile[from_lx + x][from_ly + y];
14329
14330         if (button != 1)
14331           DrawBrushElement(from_x + x, from_y + y, new_element, TRUE);
14332       }
14333     }
14334
14335     if (button != 1)
14336       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14337
14338     delete_old_brush = FALSE;
14339   }
14340   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
14341            mode == CB_BRUSH_TO_LEVEL)
14342   {
14343     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
14344     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
14345     int cursor_from_x = cursor_x - brush_width / 2;
14346     int cursor_from_y = cursor_y - brush_height / 2;
14347     int border_from_x = cursor_x, border_from_y = cursor_y;
14348     int border_to_x = cursor_x, border_to_y = cursor_y;
14349
14350     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
14351       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
14352
14353     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
14354         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
14355     {
14356       delete_old_brush = FALSE;
14357
14358       return;
14359     }
14360
14361     for (y = 0; y < brush_height; y++)
14362     {
14363       for (x = 0; x < brush_width; x++)
14364       {
14365         int sx = cursor_from_x + x;
14366         int sy = cursor_from_y + y;
14367         int lx = sx + level_xpos;
14368         int ly = sy + level_ypos;
14369         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
14370         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
14371                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
14372                        brush_buffer[x][y] : new_element);
14373
14374         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
14375         {
14376           if (sx < border_from_x)
14377             border_from_x = sx;
14378           else if (sx > border_to_x)
14379             border_to_x = sx;
14380           if (sy < border_from_y)
14381             border_from_y = sy;
14382           else if (sy > border_to_y)
14383             border_to_y = sy;
14384
14385           DrawBrushElement(sx, sy, element, change_level);
14386         }
14387       }
14388     }
14389
14390     if (mode != CB_DELETE_OLD_CURSOR)
14391       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
14392
14393     last_cursor_x = cursor_x;
14394     last_cursor_y = cursor_y;
14395
14396     delete_old_brush = TRUE;
14397   }
14398   else if (mode == CB_FLIP_BRUSH_X)
14399   {
14400     for (y = 0; y < brush_height; y++)
14401       for (x = 0; x < (brush_width + 1) / 2; x++)
14402         SwapFlippedTiles(&brush_buffer[x][y],
14403                          &brush_buffer[brush_width - x - 1][y], mode);
14404
14405     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
14406   }
14407   else if (mode == CB_FLIP_BRUSH_Y)
14408   {
14409     for (y = 0; y < (brush_height + 1) / 2; y++)
14410       for (x = 0; x < brush_width; x++)
14411         SwapFlippedTiles(&brush_buffer[x][y],
14412                          &brush_buffer[x][brush_height - y - 1], mode);
14413
14414     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
14415   }
14416   else if (mode == CB_FLIP_BRUSH_XY)
14417   {
14418     CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
14419
14420     for (y = 0; y < MAX(brush_width, brush_height); y++)
14421       for (x = 0; x <= y; x++)
14422         SwapFlippedTiles(&brush_buffer[x][y],
14423                          &brush_buffer[y][x], mode);
14424
14425     swap_numbers(&brush_width, &brush_height);
14426
14427     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
14428   }
14429
14430   if (mode == CB_UPDATE_BRUSH_POSITION)
14431   {
14432     last_cursor_x = from_x;
14433     last_cursor_y = from_y;
14434   }
14435 }
14436
14437 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
14438                             int button)
14439 {
14440   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
14441 }
14442
14443 static void CopyBrushToLevel(int x, int y, int button)
14444 {
14445   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
14446 }
14447
14448 static void CopyBrushToCursor(int x, int y)
14449 {
14450   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
14451 }
14452
14453 static void UpdateBrushPosition(int x, int y)
14454 {
14455   CopyBrushExt(x, y, 0, 0, 0, CB_UPDATE_BRUSH_POSITION);
14456 }
14457
14458 static void DeleteBrushFromCursor(void)
14459 {
14460   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
14461 }
14462
14463 static void FlipBrushX(void)
14464 {
14465   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_X);
14466 }
14467
14468 static void FlipBrushY(void)
14469 {
14470   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_Y);
14471 }
14472
14473 static void RotateBrush(void)
14474 {
14475   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_XY);
14476   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_X);
14477 }
14478
14479 void DumpBrush(void)
14480 {
14481   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
14482 }
14483
14484 void DumpBrush_Small(void)
14485 {
14486   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
14487 }
14488
14489 void CopyClipboardToBrush(void)
14490 {
14491   CopyBrushExt(0, 0, 0, 0, 0, CB_CLIPBOARD_TO_BRUSH);
14492 }
14493
14494 void CopyBrushToClipboard(void)
14495 {
14496   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD);
14497 }
14498
14499 void CopyBrushToClipboard_Small(void)
14500 {
14501   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD_SMALL);
14502 }
14503
14504 void UndoLevelEditorOperation(void)
14505 {
14506   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], -1);
14507 }
14508
14509 void RedoLevelEditorOperation(void)
14510 {
14511   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
14512 }
14513
14514 static void FloodFill(int from_x, int from_y, int fill_element)
14515 {
14516   FloodFillLevel(from_x, from_y, fill_element, Tile, lev_fieldx, lev_fieldy);
14517 }
14518
14519 static void FloodFillWall_MM(int from_sx2, int from_sy2, int fill_element)
14520 {
14521   int from_x = from_sx2 + 2 * level_xpos;
14522   int from_y = from_sy2 + 2 * level_ypos;
14523   int max_fillx = lev_fieldx * 2;
14524   int max_filly = lev_fieldy * 2;
14525   short Fill[max_fillx][max_filly];
14526   int x, y;
14527
14528   for (x = 0; x < max_fillx; x++)
14529     for (y = 0; y < max_filly; y++)
14530       Fill[x][y] = getLevelElementHiRes(x, y);
14531
14532   FloodFillLevelExt(from_x, from_y, fill_element, max_fillx, max_filly,
14533                     Fill, max_fillx, max_filly);
14534
14535   for (x = 0; x < max_fillx; x++)
14536     for (y = 0; y < max_filly; y++)
14537       if (Fill[x][y] == fill_element)
14538         SetLevelElementHiRes(x, y, Fill[x][y]);
14539 }
14540
14541 // values for DrawLevelText() modes
14542 #define TEXT_INIT               0
14543 #define TEXT_SETCURSOR          1
14544 #define TEXT_WRITECHAR          2
14545 #define TEXT_BACKSPACE          3
14546 #define TEXT_NEWLINE            4
14547 #define TEXT_END                5
14548 #define TEXT_QUERY_TYPING       6
14549
14550 static int DrawLevelText(int sx, int sy, char letter, int mode)
14551 {
14552   static short delete_buffer[MAX_LEV_FIELDX];
14553   static int start_sx;
14554   static int last_sx, last_sy;
14555   static boolean typing = FALSE;
14556   int letter_element;
14557   int lx = 0, ly = 0;
14558
14559   // map lower case letters to upper case and convert special characters
14560   if (letter >= 'a' && letter <= 'z')
14561     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
14562   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
14563     letter_element = EL_CHAR_AUMLAUT;
14564   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
14565     letter_element = EL_CHAR_OUMLAUT;
14566   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
14567     letter_element = EL_CHAR_UUMLAUT;
14568   else if (letter == '^')
14569     letter_element = EL_CHAR_COPYRIGHT;
14570   else
14571     letter_element = EL_CHAR_ASCII0 + letter;
14572
14573   if (mode != TEXT_INIT)
14574   {
14575     if (!typing)
14576       return FALSE;
14577
14578     if (mode != TEXT_SETCURSOR)
14579     {
14580       sx = last_sx;
14581       sy = last_sy;
14582     }
14583
14584     lx = last_sx + level_xpos;
14585     ly = last_sy + level_ypos;
14586   }
14587
14588   switch (mode)
14589   {
14590     case TEXT_INIT:
14591       if (typing)
14592         DrawLevelText(0, 0, 0, TEXT_END);
14593
14594       typing = TRUE;
14595       start_sx = sx;
14596       last_sx = sx;
14597       last_sy = sy;
14598       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
14599       break;
14600
14601     case TEXT_SETCURSOR:
14602       DrawEditorElement(last_sx, last_sy, Tile[lx][ly]);
14603       DrawAreaBorder(sx, sy, sx, sy);
14604       StartTextInput(SX + sx * ed_tilesize, SY + sy * ed_tilesize,
14605                      ed_tilesize, ed_tilesize);
14606       last_sx = sx;
14607       last_sy = sy;
14608       break;
14609
14610     case TEXT_WRITECHAR:
14611       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
14612       {
14613         if (new_element1 >= EL_STEEL_CHAR_START &&
14614             new_element1 <= EL_STEEL_CHAR_END)
14615           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
14616
14617         delete_buffer[sx - start_sx] = Tile[lx][ly];
14618         Tile[lx][ly] = letter_element;
14619
14620         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
14621           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
14622         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
14623           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
14624         else
14625           DrawLevelText(0, 0, 0, TEXT_END);
14626
14627         level.changed = TRUE;
14628       }
14629       break;
14630
14631     case TEXT_BACKSPACE:
14632       if (sx > start_sx)
14633       {
14634         Tile[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
14635         DrawEditorElement(sx - 1, sy, Tile[lx - 1][ly]);
14636         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
14637       }
14638       break;
14639
14640     case TEXT_NEWLINE:
14641       if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
14642         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
14643       else
14644         DrawLevelText(0, 0, 0, TEXT_END);
14645       break;
14646
14647     case TEXT_END:
14648       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14649       DrawEditorElement(sx, sy, Tile[lx][ly]);
14650       StopTextInput();
14651       typing = FALSE;
14652       break;
14653
14654     case TEXT_QUERY_TYPING:
14655       break;
14656
14657     default:
14658       break;
14659   }
14660
14661   return typing;
14662 }
14663
14664 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
14665                           int element, boolean change_level)
14666 {
14667   int lx = sx + level_xpos;
14668   int ly = sy + level_ypos;
14669
14670   if (element == -1)
14671     DrawEditorElement(sx, sy, Tile[lx][ly]);
14672   else
14673     DrawAreaBorder(sx, sy, sx, sy);
14674 }
14675
14676 static void CheckLevelBorderElement(boolean redraw_playfield)
14677 {
14678   int last_border_element = BorderElement;
14679
14680   SetBorderElement();
14681
14682   if (redraw_playfield && BorderElement != last_border_element)
14683     DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14684 }
14685
14686 static void CopyLevelToUndoBuffer(int mode)
14687 {
14688   static boolean accumulated_undo = FALSE;
14689   boolean new_undo_buffer_position = TRUE;
14690   int x, y;
14691
14692   if (undo_buffer_steps == 0)
14693     accumulated_undo = FALSE;
14694
14695   switch (mode)
14696   {
14697     case UNDO_IMMEDIATE:
14698       accumulated_undo = FALSE;
14699       break;
14700
14701     case UNDO_ACCUMULATE:
14702       if (accumulated_undo)
14703         new_undo_buffer_position = FALSE;
14704       accumulated_undo = TRUE;
14705       break;
14706
14707     default:
14708       break;
14709   }
14710
14711   if (new_undo_buffer_position)
14712   {
14713     // advance position in undo buffer ring
14714     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
14715
14716     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
14717       undo_buffer_steps++;
14718   }
14719
14720   // always reset redo buffer when storing level change into undo buffer
14721   redo_buffer_steps = 0;
14722
14723   for (x = 0; x < lev_fieldx; x++)
14724     for (y = 0; y < lev_fieldy; y++)
14725       UndoBuffer[undo_buffer_position][x][y] = Tile[x][y];
14726
14727   // check if drawing operation forces change of border style
14728   CheckLevelBorderElement(TRUE);
14729
14730   level.changed = TRUE;
14731 }
14732
14733 static void RandomPlacement(int new_element)
14734 {
14735   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
14736   int num_free_positions = 0;
14737   int num_percentage, num_elements;
14738   int x, y;
14739
14740   ResetIntelliDraw();
14741
14742   // determine number of free positions for randomly placing the new element
14743   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
14744   {
14745     free_position[x][y] =
14746       (random_placement_background_restricted ?
14747        Tile[x][y] == random_placement_background_element :
14748        Tile[x][y] != new_element);
14749
14750     if (free_position[x][y])
14751       num_free_positions++;
14752   }
14753
14754   // determine number of new elements to place there
14755   num_percentage = num_free_positions * random_placement_value / 100;
14756   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
14757                   num_percentage : random_placement_value);
14758
14759   // if less free positions than elements to place, fill all these positions
14760   if (num_free_positions < num_elements)
14761   {
14762     for (x = 0; x < lev_fieldx; x++)
14763       for (y = 0; y < lev_fieldy; y++)
14764         if (free_position[x][y])
14765           SetElement(x, y, new_element);
14766   }
14767   else
14768   {
14769     while (num_elements > 0)
14770     {
14771       x = GetSimpleRandom(lev_fieldx);
14772       y = GetSimpleRandom(lev_fieldy);
14773
14774       // don't place element at the same position twice
14775       if (free_position[x][y])
14776       {
14777         free_position[x][y] = FALSE;
14778         SetElement(x, y, new_element);
14779         num_elements--;
14780       }
14781     }
14782   }
14783
14784   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14785   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14786 }
14787
14788 static void WrapLevel(int dx, int dy)
14789 {
14790   int wrap_dx = lev_fieldx - dx;
14791   int wrap_dy = lev_fieldy - dy;
14792   int x, y;
14793
14794   for (x = 0; x < lev_fieldx; x++)
14795     for (y = 0; y < lev_fieldy; y++)
14796       TileBackup[x][y] = Tile[x][y];
14797
14798   for (x = 0; x < lev_fieldx; x++)
14799     for (y = 0; y < lev_fieldy; y++)
14800       Tile[x][y] =
14801         TileBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
14802
14803   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14804   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
14805 }
14806
14807 static void DrawAreaElementHighlight(boolean highlighted,
14808                                      boolean highlighted_similar)
14809 {
14810   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14811
14812   if (!highlighted)
14813     return;
14814
14815   int x, y;
14816
14817   for (x = 0; x < ed_fieldx; x++)
14818   {
14819     for (y = 0; y < ed_fieldy; y++)
14820     {
14821       boolean highlight = FALSE;
14822       int lx = x + level_xpos;
14823       int ly = y + level_ypos;
14824
14825       if (!IN_LEV_FIELD(lx, ly))
14826         continue;
14827
14828       // check if element is the same
14829       if (Tile[lx][ly] == new_element1)
14830         highlight = TRUE;
14831
14832       // check if element is similar
14833       if (highlighted_similar &&
14834           strEqual(element_info[Tile[lx][ly]].class_name,
14835                    element_info[new_element1].class_name))
14836         highlight = TRUE;
14837
14838       // check if element is matching MM style wall
14839       if (IS_MM_WALL(Tile[lx][ly]) &&
14840           map_mm_wall_element(Tile[lx][ly]) == new_element1)
14841         highlight = TRUE;
14842
14843       if (!highlight)
14844         continue;
14845
14846       if (IS_MM_WALL(Tile[lx][ly]) && !highlighted_similar)
14847       {
14848         int i;
14849
14850         for (i = 0; i < 4; i++)
14851         {
14852           if (!(MM_WALL_BITS(Tile[lx][ly]) & (1 << i)))
14853             continue;
14854
14855           int xx = x * 2 + (i % 2);
14856           int yy = y * 2 + (i / 2);
14857           int sx = SX + xx * ed_tilesize / 2;
14858           int sy = SY + yy * ed_tilesize / 2;
14859           int from_sx = sx;
14860           int from_sy = sy;
14861           int to_sx = sx + ed_tilesize / 2 - 1;
14862           int to_sy = sy + ed_tilesize / 2 - 1;
14863
14864           DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx,   from_sy);
14865           DrawSimpleWhiteLine(drawto, to_sx,   from_sy, to_sx,   to_sy);
14866           DrawSimpleWhiteLine(drawto, to_sx,   to_sy,   from_sx, to_sy);
14867           DrawSimpleWhiteLine(drawto, from_sx, to_sy,   from_sx, from_sy);
14868         }
14869       }
14870       else
14871       {
14872         int sx = SX + x * ed_tilesize;
14873         int sy = SY + y * ed_tilesize;
14874         int from_sx = sx;
14875         int from_sy = sy;
14876         int to_sx = sx + ed_tilesize - 1;
14877         int to_sy = sy + ed_tilesize - 1;
14878
14879         DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx,   from_sy);
14880         DrawSimpleWhiteLine(drawto, to_sx,   from_sy, to_sx,   to_sy);
14881         DrawSimpleWhiteLine(drawto, to_sx,   to_sy,   from_sx, to_sy);
14882         DrawSimpleWhiteLine(drawto, from_sx, to_sy,   from_sx, from_sy);
14883       }
14884     }
14885   }
14886 }
14887
14888 static void CopyLevelTemplateToUserLevelSet(char *levelset_subdir)
14889 {
14890   char *template_filename_old = getLocalLevelTemplateFilename();
14891   char *template_filename_new =
14892     getPath2(getUserLevelDir(levelset_subdir), LEVELTEMPLATE_FILENAME);
14893
14894   if (copyFile(template_filename_old, template_filename_new) != 0)
14895     Request("Cannot copy level template!", REQ_CONFIRM);
14896
14897   free(template_filename_new);
14898 }
14899
14900 static void HandleDrawingAreas(struct GadgetInfo *gi)
14901 {
14902   static boolean started_inside_drawing_area = FALSE;
14903   static int last_sx = -1;
14904   static int last_sy = -1;
14905   static int last_sx2 = -1;
14906   static int last_sy2 = -1;
14907   int id = gi->custom_id;
14908   int type_id = gi->custom_type_id;
14909   boolean button_press_event;
14910   boolean button_release_event;
14911   boolean inside_drawing_area = !gi->event.off_borders;
14912   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
14913   int actual_drawing_function;
14914   int button = gi->event.button;
14915   int new_element = BUTTON_ELEMENT(button);
14916   int sx = gi->event.x, sy = gi->event.y;
14917   int min_sx = 0, min_sy = 0;
14918   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
14919   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
14920   int mini_item_xsize = item_xsize / 2, mini_item_ysize = item_ysize / 2;
14921   int sx2 = gi->event.mx / mini_item_xsize;
14922   int sy2 = gi->event.my / mini_item_ysize;
14923   int dx = sx2 % 2;
14924   int dy = sy2 % 2;
14925   int lx = 0, ly = 0;
14926   int x, y;
14927
14928   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
14929   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
14930
14931   // make sure to stay inside drawing area boundaries
14932   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
14933   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
14934
14935   if (draw_level)
14936   {
14937     int min_lx = 0, min_ly = 0;
14938     int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
14939
14940     // get positions inside level field
14941     lx = sx + level_xpos;
14942     ly = sy + level_ypos;
14943
14944     if (!IN_LEV_FIELD(lx, ly))
14945       inside_drawing_area = FALSE;
14946
14947     // make sure to stay inside level field boundaries
14948     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
14949     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
14950
14951     // correct drawing area positions accordingly
14952     sx = lx - level_xpos;
14953     sy = ly - level_ypos;
14954   }
14955
14956   // also correct MM wall-sized (double) drawing area positions accordingly
14957   if (sx2 / 2 < sx || sx2 / 2 > sx)
14958   {
14959     dx = (sx2 / 2 < sx ? 0 : 1);
14960     sx2 = sx * 2 + dx;
14961   }
14962   if (sy2 / 2 < sy || sy2 / 2 > sy)
14963   {
14964     dy = (sy2 / 2 < sy ? 0 : 1);
14965     sy2 = sy * 2 + dy;
14966   }
14967
14968   if (!button_press_event && !button_release_event)
14969   {
14970     int old_element = (IN_LEV_FIELD(lx, ly) ? Tile[lx][ly] : EL_UNDEFINED);
14971     boolean hires_drawing = (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
14972                              isHiresTileElement(old_element) &&
14973                              isHiresDrawElement(new_element));
14974
14975     // prevent handling events for every pixel position when moving mouse
14976     if ((sx == last_sx && sy == last_sy && !hires_drawing) ||
14977         (sx2 == last_sx2 && sy2 == last_sy2))
14978       return;
14979   }
14980
14981   last_sx = sx;
14982   last_sy = sy;
14983   last_sx2 = sx2;
14984   last_sy2 = sy2;
14985
14986   if (button_press_event)
14987     started_inside_drawing_area = inside_drawing_area;
14988
14989   if (!started_inside_drawing_area)
14990     return;
14991
14992   if (!IS_VALID_BUTTON(button))
14993     return;
14994
14995   // handle info callback for each invocation of action callback
14996   gi->callback_info(gi);
14997
14998   // automatically switch to 'single item' drawing mode, if needed
14999   actual_drawing_function =
15000     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
15001      drawing_function : GADGET_ID_SINGLE_ITEMS);
15002
15003   // clicking into drawing area with pressed Control key picks element
15004   if (GetKeyModState() & KMOD_Control)
15005   {
15006     last_drawing_function = drawing_function;
15007     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
15008   }
15009
15010   if (GetKeyModState() & KMOD_Shift)
15011   {
15012     if (button_press_event || button_release_event)
15013       ResetIntelliDraw();
15014   }
15015
15016   SetDrawModeHiRes(-1);         // reset to normal draw mode
15017
15018   switch (actual_drawing_function)
15019   {
15020     case GADGET_ID_SINGLE_ITEMS:
15021       if (draw_level)
15022       {
15023         if (button_release_event)
15024         {
15025           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15026
15027           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
15028               !inside_drawing_area)
15029             DeleteBrushFromCursor();
15030
15031           break;
15032         }
15033
15034         if (draw_with_brush)
15035         {
15036           CopyBrushToLevel(sx, sy, button);
15037         }
15038         else
15039         {
15040           SetDrawModeHiRes(new_element);
15041
15042           if (IS_PLAYER_ELEMENT(new_element) || IS_MM_MCDUFFIN(new_element))
15043           {
15044             // remove player at old position
15045             for (y = 0; y < lev_fieldy; y++)
15046             {
15047               for (x = 0; x < lev_fieldx; x++)
15048               {
15049                 int old_element = Tile[x][y];
15050
15051                 if (IS_PLAYER_ELEMENT(old_element) &&
15052                     IS_PLAYER_ELEMENT(new_element))
15053                 {
15054                   int replaced_with_element =
15055                     (old_element == EL_SOKOBAN_FIELD_PLAYER &&
15056                      new_element == EL_PLAYER_1 ? EL_SOKOBAN_FIELD_EMPTY :
15057
15058                      old_element == EL_SOKOBAN_FIELD_PLAYER &&
15059                      new_element == old_element ? EL_SOKOBAN_FIELD_EMPTY :
15060
15061                      new_element == EL_SOKOBAN_FIELD_PLAYER &&
15062                      old_element == EL_PLAYER_1 ? EL_EMPTY :
15063
15064                      new_element >= EL_PLAYER_1 &&
15065                      new_element <= EL_PLAYER_4 &&
15066                      new_element == old_element ? EL_EMPTY :
15067
15068                      old_element);
15069
15070                   SetElement(x, y, replaced_with_element);
15071                 }
15072                 else if (IS_MM_MCDUFFIN(old_element) &&
15073                          IS_MM_MCDUFFIN(new_element))
15074                 {
15075                   // remove McDuffin at old position
15076                   SetElement(x, y, EL_EMPTY);
15077                 }
15078               }
15079             }
15080           }
15081
15082           SetElementButton(lx, ly, dx, dy, new_element, button);
15083         }
15084       }
15085       else if (!button_release_event)
15086       {
15087         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
15088
15089         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
15090           DrawMiniGraphicExt(drawto,
15091                              gi->x + sx * MINI_TILEX,
15092                              gi->y + sy * MINI_TILEY,
15093                              el2edimg(new_element));
15094         else
15095           DrawFixedGraphicExt(drawto,
15096                               gi->x + sx * TILEX,
15097                               gi->y + sy * TILEY,
15098                               el2edimg(new_element), 0);
15099
15100         if (id == GADGET_ID_CUSTOM_GRAPHIC)
15101           new_element = GFX_ELEMENT(new_element);
15102
15103         drawingarea_info[type_id].value[pos] = new_element;
15104
15105         CopyElementPropertiesToGame(properties_element);
15106
15107         if (id == GADGET_ID_CUSTOM_GRAPHIC)
15108         {
15109           UpdateCustomElementGraphicGadgets();
15110
15111           FrameCounter = 0;     // restart animation frame counter
15112         }
15113       }
15114       break;
15115
15116     case GADGET_ID_CONNECTED_ITEMS:
15117       {
15118         static int last_sx = -1;
15119         static int last_sy = -1;
15120
15121         if (button_release_event)
15122           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15123
15124         SetDrawModeHiRes(new_element);
15125
15126         if (getDrawModeHiRes())
15127         {
15128           sx = sx2;
15129           sy = sy2;
15130         }
15131
15132         if (!button_press_event)
15133           DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
15134
15135         last_sx = sx;
15136         last_sy = sy;
15137       }
15138       break;
15139
15140     case GADGET_ID_LINE:
15141     case GADGET_ID_ARC:
15142     case GADGET_ID_RECTANGLE:
15143     case GADGET_ID_FILLED_BOX:
15144       SetDrawModeHiRes(new_element);
15145
15146       if (getDrawModeHiRes())
15147       {
15148         sx = sx2;
15149         sy = sy2;
15150       }
15151       // FALLTHROUGH
15152     case GADGET_ID_GRAB_BRUSH:
15153     case GADGET_ID_TEXT:
15154       {
15155         static int last_sx = -1;
15156         static int last_sy = -1;
15157         static int start_sx = -1;
15158         static int start_sy = -1;
15159         void (*draw_func)(int, int, int, int, int, boolean);
15160
15161         if (drawing_function == GADGET_ID_LINE)
15162           draw_func = DrawLine;
15163         else if (drawing_function == GADGET_ID_ARC)
15164           draw_func = DrawArc;
15165         else if (drawing_function == GADGET_ID_RECTANGLE)
15166           draw_func = DrawBox;
15167         else if (drawing_function == GADGET_ID_FILLED_BOX)
15168           draw_func = DrawFilledBox;
15169         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
15170           draw_func = SelectArea;
15171         else // (drawing_function == GADGET_ID_TEXT)
15172           draw_func = SetTextCursor;
15173
15174         if (button_press_event)
15175         {
15176           draw_func(sx, sy, sx, sy, new_element, FALSE);
15177           start_sx = last_sx = sx;
15178           start_sy = last_sy = sy;
15179
15180           if (drawing_function == GADGET_ID_TEXT)
15181             DrawLevelText(0, 0, 0, TEXT_END);
15182         }
15183         else if (button_release_event)
15184         {
15185           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
15186           if (drawing_function == GADGET_ID_GRAB_BRUSH)
15187           {
15188             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
15189             CopyBrushToCursor(sx, sy);
15190             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
15191                           MB_LEFTBUTTON);
15192             draw_with_brush = TRUE;
15193           }
15194           else if (drawing_function == GADGET_ID_TEXT)
15195             DrawLevelText(sx, sy, 0, TEXT_INIT);
15196           else
15197             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15198         }
15199         else if (last_sx != sx || last_sy != sy)
15200         {
15201           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
15202           if (IS_MM_WALL_EDITOR(new_element))   // clear wall background
15203             draw_func(start_sx, start_sy, sx, sy, EL_EMPTY, FALSE);
15204           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
15205           last_sx = sx;
15206           last_sy = sy;
15207         }
15208       }
15209       break;
15210
15211     case GADGET_ID_FLOOD_FILL:
15212       if (button_press_event && Tile[lx][ly] != new_element)
15213       {
15214         if (IS_MM_WALL_EDITOR(new_element))
15215           FloodFillWall_MM(sx2, sy2, new_element);
15216         else
15217           FloodFill(lx, ly, new_element);
15218
15219         DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15220         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15221       }
15222       break;
15223
15224     case GADGET_ID_PICK_ELEMENT:
15225       if (button_release_event)
15226         ClickOnGadget(level_editor_gadget[last_drawing_function],
15227                       MB_LEFTBUTTON);
15228       else if (draw_level)
15229         PickDrawingElement(button, Tile[lx][ly]);
15230       else
15231       {
15232         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
15233
15234         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
15235       }
15236
15237     default:
15238       break;
15239   }
15240
15241   // do not mark level as modified for certain non-level-changing gadgets
15242   if ((type_id >= ED_DRAWING_ID_EDITOR_FIRST &&
15243        type_id <= ED_DRAWING_ID_EDITOR_LAST) ||
15244       actual_drawing_function == GADGET_ID_GRAB_BRUSH ||
15245       actual_drawing_function == GADGET_ID_PICK_ELEMENT)
15246     return;
15247
15248   level.changed = TRUE;
15249 }
15250
15251 static void HandleCounterButtons(struct GadgetInfo *gi)
15252 {
15253   int gadget_id = gi->custom_id;
15254   int counter_id = gi->custom_type_id;
15255   int button = gi->event.button;
15256   int *counter_value = counterbutton_info[counter_id].value;
15257   int step = BUTTON_STEPSIZE(button) *
15258     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
15259
15260   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
15261   {
15262     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
15263     boolean released = (gi->event.type == GD_EVENT_RELEASED);
15264     boolean level_changed = LevelChanged();
15265
15266     if ((level_changed && pressed) || (!level_changed && released))
15267       return;
15268
15269     if (level_changed && !Request("Level has changed! Discard changes?",
15270                                   REQ_ASK))
15271     {
15272       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
15273         ModifyEditorCounterValue(counter_id, *counter_value);
15274
15275       return;
15276     }
15277   }
15278
15279   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
15280     *counter_value = gi->textinput.number_value;
15281   else
15282     ModifyEditorCounterValue(counter_id, *counter_value + step);
15283
15284   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
15285   {
15286     int last_game_engine_type = level.game_engine_type;
15287
15288     LoadLevel(level_nr);
15289     LoadScore(level_nr);
15290
15291     SaveLevelSetup_SeriesInfo();
15292
15293     TapeErase();
15294
15295     ResetUndoBuffer();
15296     DrawEditModeWindow();
15297
15298     if (level.game_engine_type != last_game_engine_type)
15299     {
15300       // update element selection list
15301       ReinitializeElementList();
15302       ModifyEditorElementList();
15303     }
15304
15305     return;
15306   }
15307
15308   switch (counter_id)
15309   {
15310     case ED_COUNTER_ID_YAMYAM_CONTENT:
15311       DrawYamYamContentAreas();
15312       break;
15313
15314     case ED_COUNTER_ID_BALL_CONTENT:
15315       DrawMagicBallContentAreas();
15316       break;
15317
15318     case ED_COUNTER_ID_ANDROID_CONTENT:
15319       DrawAndroidElementArea();
15320       break;
15321
15322     case ED_COUNTER_ID_GROUP_CONTENT:
15323       DrawGroupElementArea();
15324       CopyGroupElementPropertiesToGame(properties_element);
15325       break;
15326
15327     case ED_COUNTER_ID_INVENTORY_SIZE:
15328       DrawPlayerInitialInventoryArea(properties_element);
15329       break;
15330
15331     case ED_COUNTER_ID_MM_BALL_CONTENT:
15332       DrawMMBallContentArea();
15333       break;
15334
15335     case ED_COUNTER_ID_ENVELOPE_XSIZE:
15336     case ED_COUNTER_ID_ENVELOPE_YSIZE:
15337       DrawEnvelopeTextArea(-1);
15338       break;
15339
15340     case ED_COUNTER_ID_LEVEL_XSIZE:
15341     case ED_COUNTER_ID_LEVEL_YSIZE:
15342       lev_fieldx = level.fieldx;
15343       lev_fieldy = level.fieldy;
15344
15345       // check if resizing of level results in change of border border
15346       SetBorderElement();
15347
15348       break;
15349
15350     default:
15351       break;
15352   }
15353
15354   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
15355        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
15356       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
15357        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
15358     CopyElementPropertiesToGame(properties_element);
15359
15360   // do not mark level as modified for certain non-level-changing gadgets
15361   if ((counter_id >= ED_COUNTER_ID_LEVELSET_FIRST &&
15362        counter_id <= ED_COUNTER_ID_LEVELSET_LAST) ||
15363       (counter_id >= ED_COUNTER_ID_EDITOR_FIRST &&
15364        counter_id <= ED_COUNTER_ID_EDITOR_LAST))
15365     return;
15366
15367   level.changed = TRUE;
15368 }
15369
15370 static void HandleTextInputGadgets(struct GadgetInfo *gi)
15371 {
15372   int type_id = gi->custom_type_id;
15373
15374   strcpy(textinput_info[type_id].value, gi->textinput.value);
15375
15376   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
15377   {
15378     CopyElementPropertiesToGame(properties_element);
15379
15380     ModifyEditorElementList();  // update changed button info text
15381   }
15382
15383   // do not mark level as modified for certain non-level-changing gadgets
15384   if (type_id >= ED_TEXTINPUT_ID_LEVELSET_FIRST &&
15385       type_id <= ED_TEXTINPUT_ID_LEVELSET_LAST)
15386     return;
15387
15388   level.changed = TRUE;
15389 }
15390
15391 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
15392 {
15393   int type_id = gi->custom_type_id;
15394
15395   strncpy(textarea_info[type_id].value, gi->textarea.value,
15396           MAX_ENVELOPE_TEXT_LEN);
15397   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
15398
15399   level.changed = TRUE;
15400 }
15401
15402 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
15403 {
15404   int type_id = gi->custom_type_id;
15405   int value_old = *selectbox_info[type_id].value;
15406   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
15407
15408   *selectbox_info[type_id].value = value_new;
15409
15410   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE)
15411   {
15412     DrawLevelConfigWindow();
15413   }
15414   else if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
15415   {
15416     element_info[properties_element].current_change_page = gi->selectbox.index;
15417
15418     DrawPropertiesWindow();
15419   }
15420   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
15421             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
15422            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
15423             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
15424            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
15425   {
15426     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
15427     {
15428       // when changing action type, also check action mode and action arg
15429       if (value_old != value_new)
15430         setSelectboxSpecialActionVariablesIfNeeded();
15431
15432       DrawPropertiesChange();
15433     }
15434
15435     CopyElementPropertiesToGame(properties_element);
15436   }
15437   else if (type_id == ED_SELECTBOX_ID_GAME_ENGINE_TYPE)
15438   {
15439     // show or hide "engine" tabulator depending on game engine type
15440     DrawLevelConfigWindow();
15441
15442     // update element selection list depending on game engine type
15443     ReinitializeElementList();
15444     ModifyEditorElementList();
15445   }
15446   else if (type_id == ED_SELECTBOX_ID_BD_SCHEDULING_TYPE)
15447   {
15448     // update BD cycle delay counter gadgets depending on BD scheduling type
15449     DrawLevelConfigWindow();
15450   }
15451
15452   // do not mark level as modified for certain non-level-changing gadgets
15453   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE ||
15454       type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
15455     return;
15456
15457   level.changed = TRUE;
15458 }
15459
15460 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
15461 {
15462   int type_id = gi->custom_type_id;
15463   int i;
15464
15465   if (type_id >= ED_TAB_BUTTON_ID_LEVELCONFIG_FIRST &&
15466       type_id <= ED_TAB_BUTTON_ID_LEVELCONFIG_LAST)
15467   {
15468     edit_mode_levelconfig = gi->custom_type_id;
15469
15470     DrawLevelConfigWindow();
15471   }
15472   else if (type_id >= ED_TAB_BUTTON_ID_PROPERTIES_FIRST &&
15473            type_id <= ED_TAB_BUTTON_ID_PROPERTIES_LAST)
15474   {
15475     edit_mode_properties = gi->custom_type_id;
15476
15477     DrawPropertiesWindow();
15478   }
15479   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1 ||
15480            type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2)
15481   {
15482     boolean new_template = !fileExists(getLocalLevelTemplateFilename());
15483
15484     // backup original "level.field" (needed to track playfield changes)
15485     CopyPlayfield(level.field, TileBackup);
15486
15487     // "SaveLevelTemplate()" uses "level.field", so copy editor playfield
15488     CopyPlayfield(Tile, level.field);
15489
15490     if (new_template ||
15491         Request("Save this template and kill the old?", REQ_ASK))
15492       SaveLevelTemplate();
15493
15494     if (new_template)
15495       Request("Template saved!", REQ_CONFIRM);
15496
15497     // restore original "level.field" (needed to track playfield changes)
15498     CopyPlayfield(TileBackup, level.field);
15499   }
15500   else if (type_id == ED_TEXTBUTTON_ID_SAVE_LEVELSET)
15501   {
15502     char *levelset_subdir = getLevelSubdirFromSaveMode(levelset_save_mode);
15503
15504     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE &&
15505         leveldir_current->readonly)
15506     {
15507       Request("This level set is read-only!", REQ_CONFIRM);
15508
15509       return;
15510     }
15511
15512     if (strEqual(levelset_name, ""))
15513     {
15514       Request("Please enter level set title!", REQ_CONFIRM);
15515
15516       return;
15517     }
15518
15519     if (strEqual(levelset_author, ""))
15520     {
15521       Request("Please enter level set author!", REQ_CONFIRM);
15522
15523       return;
15524     }
15525
15526     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE)
15527     {
15528       if (UpdateUserLevelSet(levelset_subdir,
15529                              levelset_name,
15530                              levelset_author,
15531                              levelset_num_levels))
15532       {
15533         Request("Level set updated!", REQ_CONFIRM);
15534       }
15535       else
15536       {
15537         Request("Updating level set failed!", REQ_CONFIRM);
15538       }
15539     }
15540     else if (levelset_save_mode == LEVELSET_SAVE_MODE_CREATE)
15541     {
15542       if (level.changed && !Request("Level has changed! Discard changes?",
15543                                      REQ_ASK))
15544         return;
15545
15546       if (CreateUserLevelSet(levelset_subdir,
15547                              levelset_name,
15548                              levelset_author,
15549                              levelset_num_levels,
15550                              levelset_use_levelset_artwork))
15551       {
15552         if (levelset_copy_level_template)
15553           CopyLevelTemplateToUserLevelSet(levelset_subdir);
15554
15555         Request("New level set created!", REQ_CONFIRM);
15556
15557         AddUserLevelSetToLevelInfo(levelset_subdir);
15558         ChangeEditorToLevelSet(levelset_subdir);
15559       }
15560       else
15561       {
15562         Request("Creating new level set failed!", REQ_CONFIRM);
15563       }
15564     }
15565   }
15566   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
15567            custom_element.num_change_pages < MAX_CHANGE_PAGES)
15568   {
15569     struct ElementInfo *ei = &element_info[properties_element];
15570
15571     // when modifying custom element, ask for copying level template
15572     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
15573       return;
15574
15575     setElementChangePages(ei, ei->num_change_pages + 1);
15576
15577     // set new change page to be new current change page
15578     ei->current_change_page = ei->num_change_pages - 1;
15579     ei->change = &ei->change_page[ei->current_change_page];
15580
15581     setElementChangeInfoToDefaults(ei->change);
15582
15583     DrawPropertiesWindow();
15584
15585     level.changed = TRUE;
15586   }
15587   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
15588            custom_element.num_change_pages > MIN_CHANGE_PAGES)
15589   {
15590     struct ElementInfo *ei = &element_info[properties_element];
15591
15592     // when modifying custom element, ask for copying level template
15593     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
15594       return;
15595
15596     // copy all change pages after change page to be deleted
15597     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
15598       ei->change_page[i] = ei->change_page[i + 1];
15599
15600     setElementChangePages(ei, ei->num_change_pages - 1);
15601
15602     DrawPropertiesWindow();
15603
15604     level.changed = TRUE;
15605   }
15606 }
15607
15608 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
15609 {
15610   int type_id = gi->custom_type_id;
15611
15612   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
15613       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
15614   {
15615     struct ElementInfo *ei = &element_info[properties_element];
15616     int step = BUTTON_STEPSIZE(gi->event.button);
15617
15618     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
15619     ei->current_change_page += step;
15620
15621     if (ei->current_change_page < 0)
15622       ei->current_change_page = 0;
15623     else if (ei->current_change_page >= ei->num_change_pages)
15624       ei->current_change_page = ei->num_change_pages - 1;
15625
15626     DrawPropertiesWindow();
15627   }
15628   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
15629            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
15630   {
15631     struct ElementInfo *ei = &element_info[properties_element];
15632     int current_change_page = ei->current_change_page;
15633
15634     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
15635     {
15636       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
15637         ei->change_page[current_change_page];
15638     }
15639     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
15640     {
15641       // when modifying custom element, ask for copying level template
15642       if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
15643         return;
15644
15645       ei->change_page[current_change_page] =
15646         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
15647
15648       level.changed = TRUE;
15649     }
15650
15651     DrawPropertiesWindow();
15652   }
15653 }
15654
15655 static void HandleRadiobuttons(struct GadgetInfo *gi)
15656 {
15657   int type_id = gi->custom_type_id;
15658
15659   *radiobutton_info[type_id].value =
15660     radiobutton_info[type_id].checked_value;
15661
15662   // do not mark level as modified for certain non-level-changing gadgets
15663   if (type_id >= ED_RADIOBUTTON_ID_EDITOR_FIRST &&
15664       type_id <= ED_RADIOBUTTON_ID_EDITOR_LAST)
15665     return;
15666
15667   level.changed = TRUE;
15668 }
15669
15670 static void HandleCheckbuttons(struct GadgetInfo *gi)
15671 {
15672   int type_id = gi->custom_type_id;
15673
15674   *checkbutton_info[type_id].value ^= TRUE;
15675
15676   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
15677       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
15678       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
15679       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
15680          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
15681         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
15682          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
15683        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1))
15684   {
15685     CopyElementPropertiesToGame(properties_element);
15686   }
15687
15688   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
15689   {
15690     UpdateCustomElementGraphicGadgets();
15691   }
15692   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1 ||
15693            type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2)
15694   {
15695     boolean template_related_changes_found = FALSE;
15696     int i;
15697
15698     // check if any custom, group or empty elements have been changed
15699     for (i = 0; i < NUM_FILE_ELEMENTS; i++)
15700       if ((IS_CUSTOM_ELEMENT(i) ||
15701            IS_GROUP_ELEMENT(i) ||
15702            IS_EMPTY_ELEMENT(i)) &&
15703           element_info[i].modified_settings)
15704         template_related_changes_found = TRUE;
15705
15706     if (level.use_custom_template &&
15707         !fileExists(getGlobalLevelTemplateFilename()))
15708     {
15709       Request("No level template found!", REQ_CONFIRM);
15710
15711       level.use_custom_template = FALSE;
15712
15713       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
15714
15715       return;
15716     }
15717
15718     if (level.use_custom_template &&
15719         template_related_changes_found &&
15720         !Request("Discard changes and use level template?", REQ_ASK))
15721     {
15722       level.use_custom_template = FALSE;
15723
15724       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
15725
15726       return;
15727     }
15728
15729     if (!level.use_custom_template &&
15730         Request("Copy settings from level template?", REQ_ASK))
15731     {
15732       return;
15733     }
15734
15735     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
15736
15737     DrawEditModeWindow();
15738   }
15739   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3)
15740   {
15741     if (setup.editor.use_template_for_new_levels &&
15742         !fileExists(getGlobalLevelTemplateFilename()))
15743     {
15744       Request("No level template found!", REQ_CONFIRM);
15745
15746       return;
15747     }
15748
15749     if (setup.editor.use_template_for_new_levels &&
15750         level.changed &&
15751         !Request("Discard level and load template?", REQ_ASK))
15752     {
15753       return;
15754     }
15755
15756     if (!setup.editor.use_template_for_new_levels &&
15757         level.changed &&
15758         !Request("Discard level and use empty level?", REQ_ASK))
15759     {
15760       return;
15761     }
15762
15763     LoadLevel(level_nr);
15764     LoadScore(level_nr);
15765
15766     TapeErase();
15767
15768     ResetUndoBuffer();
15769     DrawEditModeWindow();
15770   }
15771   else if (type_id == ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS)
15772   {
15773     SetAutomaticNumberOfGemsNeeded();
15774   }
15775
15776   // do not mark level as modified for certain non-level-changing gadgets
15777   if ((type_id >= ED_CHECKBUTTON_ID_LEVELSET_FIRST &&
15778        type_id <= ED_CHECKBUTTON_ID_LEVELSET_LAST) ||
15779       (type_id >= ED_CHECKBUTTON_ID_EDITOR_FIRST &&
15780        type_id <= ED_CHECKBUTTON_ID_EDITOR_LAST &&
15781        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2) ||
15782       type_id == ED_CHECKBUTTON_ID_STICK_ELEMENT)
15783     return;
15784
15785   level.changed = TRUE;
15786 }
15787
15788 static void HandleControlButtons(struct GadgetInfo *gi)
15789 {
15790   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
15791   static int last_edit_mode = ED_MODE_DRAWING;
15792   static int last_custom_copy_mode = -1;
15793   static int last_button = 0;
15794   int id = gi->custom_id;
15795   int button = gi->event.button;
15796   int step = BUTTON_STEPSIZE(button);
15797   int new_element = BUTTON_ELEMENT(button);
15798   int last_properties_element = properties_element;
15799   int x, y;
15800
15801   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
15802     DrawLevelText(0, 0, 0, TEXT_END);
15803
15804   if (id < ED_NUM_CTRL1_BUTTONS &&
15805       id != GADGET_ID_SINGLE_ITEMS &&
15806       id != GADGET_ID_PICK_ELEMENT &&
15807       edit_mode != ED_MODE_DRAWING &&
15808       drawing_function != GADGET_ID_PICK_ELEMENT &&
15809       !(GetKeyModState() & KMOD_Control))
15810     ChangeEditModeWindow(ED_MODE_DRAWING);
15811
15812   // element copy mode active, but no element button pressed => deactivate
15813   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
15814     last_custom_copy_mode = -1;
15815
15816   // when showing palette on element buttons, change element of button used
15817   if (editor.palette.show_on_element_buttons &&
15818       id >= GADGET_ID_ELEMENT_LEFT && id <= GADGET_ID_ELEMENT_RIGHT)
15819   {
15820     last_button = id - GADGET_ID_ELEMENT_LEFT + 1;
15821
15822     id = GADGET_ID_PALETTE;
15823   }
15824
15825   switch (id)
15826   {
15827     case GADGET_ID_SCROLL_LEFT:
15828       if (level_xpos >= 0)
15829       {
15830         if (lev_fieldx < ed_fieldx - 2)
15831           break;
15832
15833         level_xpos -= step;
15834         if (level_xpos < -1)
15835           level_xpos = -1;
15836         if (button == 1)
15837           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
15838         else
15839           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15840
15841         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
15842                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
15843       }
15844       break;
15845
15846     case GADGET_ID_SCROLL_RIGHT:
15847       if (level_xpos <= lev_fieldx - ed_fieldx)
15848       {
15849         if (lev_fieldx < ed_fieldx - 2)
15850           break;
15851
15852         level_xpos += step;
15853         if (level_xpos > lev_fieldx - ed_fieldx + 1)
15854           level_xpos = lev_fieldx - ed_fieldx + 1;
15855         if (button == 1)
15856           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
15857         else
15858           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15859
15860         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
15861                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
15862       }
15863       break;
15864
15865     case GADGET_ID_SCROLL_UP:
15866       if (level_ypos >= 0)
15867       {
15868         if (lev_fieldy < ed_fieldy - 2)
15869           break;
15870
15871         level_ypos -= step;
15872         if (level_ypos < -1)
15873           level_ypos = -1;
15874         if (button == 1)
15875           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
15876         else
15877           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15878
15879         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
15880                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
15881       }
15882       break;
15883
15884     case GADGET_ID_SCROLL_DOWN:
15885       if (level_ypos <= lev_fieldy - ed_fieldy)
15886       {
15887         if (lev_fieldy < ed_fieldy - 2)
15888           break;
15889
15890         level_ypos += step;
15891         if (level_ypos > lev_fieldy - ed_fieldy + 1)
15892           level_ypos = lev_fieldy - ed_fieldy + 1;
15893         if (button == 1)
15894           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_UP);
15895         else
15896           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15897
15898         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
15899                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
15900       }
15901       break;
15902
15903     case GADGET_ID_SCROLL_HORIZONTAL:
15904       level_xpos = gi->event.item_position - 1;
15905
15906       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15907       BackToFront();
15908
15909       break;
15910
15911     case GADGET_ID_SCROLL_VERTICAL:
15912       level_ypos = gi->event.item_position - 1;
15913
15914       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15915       BackToFront();
15916
15917       break;
15918
15919     case GADGET_ID_SCROLL_LIST_UP:
15920     case GADGET_ID_SCROLL_LIST_DOWN:
15921     case GADGET_ID_SCROLL_LIST_VERTICAL:
15922       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
15923         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
15924       else
15925       {
15926         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
15927         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
15928
15929         if (element_shift < 0)
15930           element_shift = 0;
15931         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
15932           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
15933
15934         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
15935                      GDI_SCROLLBAR_ITEM_POSITION,
15936                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
15937       }
15938
15939       ModifyEditorElementList();
15940
15941       break;
15942
15943     case GADGET_ID_PROPERTIES:
15944       // always switch off element properties when they are already displayed
15945       last_properties_element = new_element;
15946     case GADGET_ID_ELEMENT_LEFT:
15947     case GADGET_ID_ELEMENT_MIDDLE:
15948     case GADGET_ID_ELEMENT_RIGHT:
15949       properties_element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
15950                             id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
15951                             id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 :
15952                             new_element);
15953
15954       if (edit_mode != ED_MODE_PROPERTIES)
15955       {
15956         last_edit_mode = edit_mode;
15957
15958         ChangeEditModeWindow(ED_MODE_PROPERTIES);
15959
15960         last_level_drawing_function = drawing_function;
15961         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
15962                       MB_LEFTBUTTON);
15963       }
15964       else if (properties_element != last_properties_element)
15965       {
15966         DrawEditModeWindow();
15967       }
15968       else
15969       {
15970         ChangeEditModeWindow(ED_MODE_DRAWING);
15971
15972         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
15973                       MB_LEFTBUTTON);
15974       }
15975       break;
15976
15977     case GADGET_ID_PALETTE:
15978       if (edit_mode != ED_MODE_PALETTE)
15979       {
15980         last_edit_mode = edit_mode;
15981
15982         ChangeEditModeWindow(ED_MODE_PALETTE);
15983       }
15984       else
15985       {
15986         ChangeEditModeWindow(last_edit_mode);
15987       }
15988       break;
15989
15990     case GADGET_ID_WRAP_LEFT:
15991       WrapLevel(-step, 0);
15992       break;
15993
15994     case GADGET_ID_WRAP_RIGHT:
15995       WrapLevel(step, 0);
15996       break;
15997
15998     case GADGET_ID_WRAP_UP:
15999       WrapLevel(0, -step);
16000       break;
16001
16002     case GADGET_ID_WRAP_DOWN:
16003       WrapLevel(0, step);
16004       break;
16005
16006     case GADGET_ID_SINGLE_ITEMS:
16007     case GADGET_ID_CONNECTED_ITEMS:
16008     case GADGET_ID_LINE:
16009     case GADGET_ID_ARC:
16010     case GADGET_ID_TEXT:
16011     case GADGET_ID_RECTANGLE:
16012     case GADGET_ID_FILLED_BOX:
16013     case GADGET_ID_FLOOD_FILL:
16014     case GADGET_ID_GRAB_BRUSH:
16015     case GADGET_ID_PICK_ELEMENT:
16016       if (drawing_function != GADGET_ID_PICK_ELEMENT)
16017         last_drawing_function = drawing_function;
16018       drawing_function = id;
16019       draw_with_brush = FALSE;
16020       break;
16021
16022     case GADGET_ID_RANDOM_PLACEMENT:
16023       RandomPlacement(new_element);
16024       break;
16025
16026     case GADGET_ID_ZOOM:
16027       // zoom level editor tile size in or out (or reset to default size)
16028       ed_tilesize = (button == 1 ? ed_tilesize * 2 :
16029                      button == 2 ? ed_tilesize_default :
16030                      button == 3 ? ed_tilesize / 2 : ed_tilesize);
16031
16032       // when using touch device, cycle through all zoom tilesizes
16033       if (runtime.uses_touch_device && ed_tilesize > TILESIZE)
16034         ed_tilesize = MICRO_TILESIZE;
16035
16036       // limit zoom level by upper and lower bound
16037       ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
16038
16039       InitZoomLevelSettings(ed_tilesize);
16040
16041       if (edit_mode == ED_MODE_DRAWING)
16042       {
16043         DrawDrawingWindow();
16044
16045         // redraw zoom gadget info text
16046         PrintEditorGadgetInfoText(level_editor_gadget[id]);
16047       }
16048
16049       // save current editor zoom tilesize
16050       SaveSetup_AutoSetup();
16051
16052       break;
16053
16054     case GADGET_ID_CUSTOM_COPY_FROM:
16055     case GADGET_ID_CUSTOM_COPY_TO:
16056     case GADGET_ID_CUSTOM_EXCHANGE:
16057       last_custom_copy_mode = id;
16058       last_drawing_function = drawing_function;
16059       break;
16060
16061     case GADGET_ID_CUSTOM_COPY:
16062       CopyCustomElement(properties_element, -1, id);
16063       break;
16064
16065     case GADGET_ID_CUSTOM_PASTE:
16066       CopyCustomElement(-1, properties_element, id);
16067       break;
16068
16069     case GADGET_ID_UNDO:
16070       if (button < 0)   // keep button value (even if modifier keys are pressed)
16071         button = -button;
16072       else if (button == 1 && GetKeyModState() & (KMOD_Shift | KMOD_Control))
16073         button = 3;
16074
16075       if (button == 1 && undo_buffer_steps == 0)
16076       {
16077         Request("Undo buffer empty!", REQ_CONFIRM);
16078
16079         break;
16080       }
16081       else if (button == 2)
16082       {
16083         break;
16084       }
16085       else if (button == 3 && redo_buffer_steps == 0)
16086       {
16087         Request("Redo buffer empty!", REQ_CONFIRM);
16088
16089         break;
16090       }
16091
16092       if (edit_mode != ED_MODE_DRAWING)
16093         ChangeEditModeWindow(ED_MODE_DRAWING);
16094
16095       if (button == 1)
16096       {
16097         // undo
16098
16099         undo_buffer_position =
16100           (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
16101
16102         undo_buffer_steps--;
16103         redo_buffer_steps++;
16104       }
16105       else
16106       {
16107         // redo
16108
16109         undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
16110
16111         undo_buffer_steps++;
16112         redo_buffer_steps--;
16113       }
16114
16115       for (x = 0; x < lev_fieldx; x++)
16116         for (y = 0; y < lev_fieldy; y++)
16117           Tile[x][y] = UndoBuffer[undo_buffer_position][x][y];
16118
16119       // check if undo operation forces change of border style
16120       CheckLevelBorderElement(FALSE);
16121
16122       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16123
16124       break;
16125
16126     case GADGET_ID_CONF:
16127       if (edit_mode != ED_MODE_LEVELCONFIG)
16128       {
16129         last_edit_mode = edit_mode;
16130
16131         ChangeEditModeWindow(ED_MODE_LEVELCONFIG);
16132       }
16133       else
16134       {
16135         ChangeEditModeWindow(ED_MODE_DRAWING);
16136       }
16137       break;
16138
16139     case GADGET_ID_CLEAR:
16140       if (edit_mode != ED_MODE_DRAWING)
16141         ChangeEditModeWindow(ED_MODE_DRAWING);
16142
16143       for (x = 0; x < MAX_LEV_FIELDX; x++)
16144         for (y = 0; y < MAX_LEV_FIELDY; y++)
16145           Tile[x][y] = (button == 1 ? EL_EMPTY : new_element);
16146
16147       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
16148
16149       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16150       break;
16151
16152     case GADGET_ID_SAVE:
16153     {
16154       // saving read-only levels into personal level set modifies global vars
16155       // "leveldir_current" and "level_nr"; restore them after saving level
16156       LevelDirTree *leveldir_former = leveldir_current;
16157       int level_nr_former = level_nr;
16158       char *level_filename;
16159       boolean new_level;
16160
16161       if (leveldir_current->readonly &&
16162           !PrepareSavingIntoPersonalLevelSet())
16163         break;
16164
16165       level_filename = getDefaultLevelFilename(level_nr);
16166       new_level = !fileExists(level_filename);
16167
16168       if (new_level ||
16169           Request("Save this level and kill the old?", REQ_ASK))
16170       {
16171         if (leveldir_former->readonly)
16172           ModifyLevelConfigForSavingIntoPersonalLevelSet(leveldir_former->name);
16173
16174         SetAutomaticNumberOfGemsNeeded();
16175
16176         CopyPlayfield(Tile, level.field);
16177         SaveLevel(level_nr);
16178
16179         level.changed = FALSE;
16180
16181         if (new_level)
16182         {
16183           char level_saved_msg[64];
16184
16185           if (leveldir_former->readonly)
16186             sprintf(level_saved_msg,
16187                     "Level saved as level %d into personal level set!",
16188                     level_nr);
16189           else
16190             strcpy(level_saved_msg, "Level saved!");
16191
16192           Request(level_saved_msg, REQ_CONFIRM);
16193         }
16194       }
16195
16196       // "cd" back to copied-from levelset (in case of saved read-only level)
16197       leveldir_current = leveldir_former;
16198       level_nr = level_nr_former;
16199
16200       break;
16201     }
16202
16203     case GADGET_ID_TEST:
16204       if (LevelChanged())
16205         level.game_version = GAME_VERSION_ACTUAL;
16206
16207       CopyPlayfield(level.field, TileBackup);
16208       CopyPlayfield(Tile, level.field);
16209
16210       CopyNativeLevel_RND_to_Native(&level);
16211
16212       UnmapLevelEditorGadgets();
16213       UndrawSpecialEditorDoor();
16214
16215       CloseDoor(DOOR_CLOSE_ALL);
16216
16217       // needed before playing if editor playfield area has different size
16218       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
16219
16220       // redraw_mask = REDRAW_ALL;
16221
16222       level_editor_test_game = TRUE;
16223
16224       StartGameActions(FALSE, setup.autorecord, level.random_seed);
16225
16226       break;
16227
16228     case GADGET_ID_EXIT:
16229       RequestExitLevelEditor(TRUE, FALSE);  // if level has changed, ask user
16230       break;
16231
16232     default:
16233       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
16234           id <= GADGET_ID_ELEMENTLIST_LAST)
16235       {
16236         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
16237
16238         new_element = editor_elements[element_position + element_shift];
16239
16240         if (IS_EDITOR_CASCADE(new_element))
16241         {
16242           int i;
16243
16244           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
16245           {
16246             int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
16247             boolean *cascade_value = editor_elements_info[i].setup_cascade_value;
16248
16249             if (*cascade_element == new_element)
16250             {
16251               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
16252               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
16253
16254               // update element selection list
16255               ReinitializeElementList();
16256               ModifyEditorElementList();
16257
16258               // update cascading gadget info text
16259               PrintEditorGadgetInfoText(level_editor_gadget[id]);
16260
16261               // save current editor cascading state
16262               SaveSetup_EditorCascade();
16263
16264               break;
16265             }
16266           }
16267
16268           break;
16269         }
16270
16271         if (last_custom_copy_mode != -1)
16272         {
16273           if (CopyCustomElement(properties_element, new_element,
16274                                 last_custom_copy_mode))
16275           {
16276             ClickOnGadget(level_editor_gadget[last_drawing_function],
16277                           MB_LEFTBUTTON);
16278
16279             last_custom_copy_mode = -1;
16280           }
16281
16282           break;
16283         }
16284
16285         // change element of button used to show palette
16286         if (editor.palette.show_on_element_buttons)
16287           button = last_button;
16288
16289         PickDrawingElement(button, new_element);
16290
16291         if (!stick_element_properties_window &&
16292             drawing_function != GADGET_ID_PICK_ELEMENT &&
16293             !(GetKeyModState() & KMOD_Control))
16294         {
16295           properties_element = new_element;
16296           if (edit_mode == ED_MODE_PROPERTIES)
16297             DrawPropertiesWindow();
16298         }
16299
16300         if (drawing_function == GADGET_ID_PICK_ELEMENT)
16301           ClickOnGadget(level_editor_gadget[last_drawing_function],
16302                         MB_LEFTBUTTON);
16303
16304         if (!use_permanent_palette)
16305           ChangeEditModeWindow(last_edit_mode);
16306       }
16307 #ifdef DEBUG
16308       else if (gi->event.type == GD_EVENT_PRESSED)
16309         Debug("editor", "default: HandleControlButtons: GD_EVENT_PRESSED(%d)", id);
16310       else if (gi->event.type == GD_EVENT_RELEASED)
16311         Debug("editor", "default: HandleControlButtons: GD_EVENT_RELEASED(%d)", id);
16312       else if (gi->event.type == GD_EVENT_MOVING)
16313         Debug("editor", "default: HandleControlButtons: GD_EVENT_MOVING(%d)", id);
16314       else
16315         Debug("editor", "default: HandleControlButtons: ? (id == %d)", id);
16316 #endif
16317       break;
16318   }
16319 }
16320
16321 void HandleLevelEditorKeyInput(Key key)
16322 {
16323   char letter = getCharFromKey(key);
16324
16325   if (drawing_function == GADGET_ID_TEXT &&
16326       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
16327   {
16328     if (letter)
16329       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
16330     else if (key == KSYM_Delete || key == KSYM_BackSpace)
16331       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
16332     else if (key == KSYM_Return)
16333       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
16334     else if (key == KSYM_Escape)
16335       DrawLevelText(0, 0, 0, TEXT_END);
16336
16337     return;
16338   }
16339
16340   int id = GADGET_ID_NONE;
16341   int new_element_shift = element_shift;
16342   int step = ED_ELEMENTLIST_BUTTONS_VERT - 1;
16343   int button = MB_LEFTBUTTON;
16344   int i;
16345
16346   switch (key)
16347   {
16348     case KSYM_Left:
16349       id = GADGET_ID_SCROLL_LEFT;
16350       break;
16351     case KSYM_Right:
16352       id = GADGET_ID_SCROLL_RIGHT;
16353       break;
16354     case KSYM_Up:
16355       id = GADGET_ID_SCROLL_UP;
16356       break;
16357     case KSYM_Down:
16358       id = GADGET_ID_SCROLL_DOWN;
16359       break;
16360
16361     case KSYM_Page_Up:
16362     case KSYM_Page_Down:
16363       step *= (key == KSYM_Page_Up ? -1 : +1);
16364       element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
16365
16366       if (element_shift < 0)
16367         element_shift = 0;
16368       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
16369         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
16370
16371       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
16372                    GDI_SCROLLBAR_ITEM_POSITION,
16373                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
16374
16375       ModifyEditorElementList();
16376
16377       break;
16378
16379     case KSYM_Home:
16380     case KSYM_End:
16381       element_shift = (key == KSYM_Home ? 0 :
16382                        num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
16383
16384       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
16385                    GDI_SCROLLBAR_ITEM_POSITION,
16386                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
16387
16388       ModifyEditorElementList();
16389
16390       break;
16391
16392     case KSYM_Insert:
16393     case KSYM_Delete:
16394
16395       // this is needed to prevent interference with running "True X-Mouse"
16396       if (GetKeyModStateFromEvents() & KMOD_Control)
16397         break;
16398
16399       // check for last or next editor cascade block in element list
16400       for (i = 0; i < num_editor_elements; i++)
16401       {
16402         if ((key == KSYM_Insert && i == element_shift) ||
16403             (key == KSYM_Delete && new_element_shift > element_shift))
16404           break;
16405
16406         // jump to next cascade block (or to start of element list)
16407         if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
16408           new_element_shift = i;
16409       }
16410
16411       if (i < num_editor_elements)
16412         element_shift = new_element_shift;
16413
16414       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
16415         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
16416
16417       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
16418                    GDI_SCROLLBAR_ITEM_POSITION,
16419                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
16420
16421       ModifyEditorElementList();
16422
16423       break;
16424
16425     case KSYM_Escape:
16426       if (edit_mode == ED_MODE_DRAWING)
16427         RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
16428       else if (edit_mode == ED_MODE_LEVELCONFIG)
16429         HandleControlButtons(level_editor_gadget[GADGET_ID_CONF]);
16430       else if (edit_mode == ED_MODE_PROPERTIES)
16431         HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
16432       else if (edit_mode == ED_MODE_PALETTE)
16433         HandleControlButtons(level_editor_gadget[GADGET_ID_PALETTE]);
16434       else              // should never happen
16435         ChangeEditModeWindow(ED_MODE_DRAWING);
16436
16437       break;
16438
16439     default:
16440       break;
16441   }
16442
16443   if (id != GADGET_ID_NONE)
16444     ClickOnGadget(level_editor_gadget[id], button);
16445   else if (letter == '1' || letter == '?')
16446     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_LEFT], button);
16447   else if (letter == '2')
16448     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_MIDDLE], button);
16449   else if (letter == '3')
16450     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_RIGHT], button);
16451   else if (letter == '.')
16452     ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
16453   else if (letter == 'U')
16454     ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
16455   else if (letter == '-' || key == KSYM_KP_Subtract)
16456     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 3);
16457   else if (letter == '0' || key == KSYM_KP_0)
16458     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 2);
16459   else if (letter == '+' || key == KSYM_KP_Add ||
16460            letter == '=')       // ("Shift-=" is "+" on US keyboards)
16461     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 1);
16462   else if (key == KSYM_Return ||
16463            key == KSYM_space ||
16464            key == setup.shortcut.toggle_pause)
16465     ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
16466   else
16467     for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
16468       if (letter && letter == controlbutton_info[i].shortcut)
16469         if (!anyTextGadgetActive())
16470           ClickOnGadget(level_editor_gadget[i], button);
16471
16472   if (draw_with_brush)
16473   {
16474     if (letter == 'x')
16475       FlipBrushX();
16476     else if (letter == 'y')
16477       FlipBrushY();
16478     else if (letter == 'z')
16479       RotateBrush();
16480   }
16481 }
16482
16483 static void HandleLevelEditorIdle_Properties(void)
16484 {
16485   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
16486   int x = editor.settings.element_graphic.x + element_border;
16487   int y = editor.settings.element_graphic.y + element_border;
16488   static DelayCounter action_delay = { 0 };
16489   int i;
16490
16491   action_delay.value = GameFrameDelay;
16492
16493   if (!DelayReached(&action_delay))
16494     return;
16495
16496   for (i = 0; i < ED_NUM_SELECTBOX; i++)
16497   {
16498     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
16499
16500     if (gi->mapped && gi->active && gi->selectbox.open)
16501       return;
16502   }
16503
16504   DrawEditorElementAnimation(SX + x, SY + y);
16505
16506   redraw_mask |= REDRAW_FIELD;
16507
16508   FrameCounter++;       // increase animation frame counter
16509 }
16510
16511 static void HandleLevelEditorIdle_Drawing(void)
16512 {
16513   static boolean last_highlighted = FALSE;
16514   static boolean last_highlighted_similar = FALSE;
16515   boolean highlighted = (GetKeyModState() & KMOD_Alt);
16516   boolean highlighted_similar = (GetKeyModState() & KMOD_Shift);
16517
16518   if (highlighted != last_highlighted ||
16519       (highlighted && highlighted_similar != last_highlighted_similar))
16520   {
16521     DrawAreaElementHighlight(highlighted, highlighted_similar);
16522
16523     redraw_mask |= REDRAW_FIELD;
16524   }
16525
16526   last_highlighted = highlighted;
16527   last_highlighted_similar = highlighted_similar;
16528 }
16529
16530 void HandleLevelEditorIdle(void)
16531 {
16532   if (edit_mode == ED_MODE_PROPERTIES)
16533     HandleLevelEditorIdle_Properties();
16534   else if (edit_mode == ED_MODE_DRAWING)
16535     HandleLevelEditorIdle_Drawing();
16536 }
16537
16538 static void ClearEditorGadgetInfoText(void)
16539 {
16540   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
16541 }
16542
16543 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
16544 {
16545   char infotext[MAX_OUTPUT_LINESIZE + 1];
16546   int max_infotext_len = getMaxInfoTextLength();
16547
16548   if (gi == NULL || strlen(gi->info_text) == 0)
16549     return;
16550
16551   strncpy(infotext, gi->info_text, max_infotext_len);
16552   infotext[max_infotext_len] = '\0';
16553
16554   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
16555   {
16556     int key = controlbutton_info[gi->custom_id].shortcut;
16557
16558     if (key)
16559     {
16560       char shortcut[MAX_OUTPUT_LINESIZE + 1];
16561
16562       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)
16563         sprintf(shortcut, " ('.' or '%c')", key);
16564       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT)
16565         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
16566       else if (gi->custom_id == GADGET_ID_TEST)
16567         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
16568       else if (gi->custom_id == GADGET_ID_UNDO)
16569         sprintf(shortcut, " ('%c/Shift-U')", key);
16570       else if (gi->custom_id == GADGET_ID_ZOOM)
16571         sprintf(shortcut, " ('%c', '0', '-')", key);
16572       else
16573         sprintf(shortcut, " ('%s%c')",
16574                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
16575
16576       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
16577         strcat(infotext, shortcut);
16578     }
16579   }
16580
16581   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, INFOTEXT_FONT);
16582 }
16583
16584 void HandleEditorGadgetInfoText(void *ptr)
16585 {
16586   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
16587
16588   if (game_status != GAME_MODE_EDITOR)
16589     return;
16590
16591   ClearEditorGadgetInfoText();
16592
16593   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
16594     return;
16595
16596   // misuse this function to delete brush cursor, if needed
16597   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
16598     DeleteBrushFromCursor();
16599
16600   PrintEditorGadgetInfoText(gi);
16601 }
16602
16603 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
16604 {
16605   int id = gi->custom_id;
16606   int type_id = gi->custom_type_id;
16607   int sx = gi->event.x;
16608   int sy = gi->event.y;
16609   int lx = sx + level_xpos;
16610   int ly = sy + level_ypos;
16611   int min_sx = 0, min_sy = 0;
16612   int max_sx = gi->drawing.area_xsize - 1;
16613   int max_sy = gi->drawing.area_ysize - 1;
16614   int actual_drawing_function = drawing_function;
16615   int max_infotext_len = getMaxInfoTextLength();
16616   char infotext[MAX_OUTPUT_LINESIZE + 1];
16617
16618   infotext[0] = '\0';           // start with empty info text
16619
16620   // pressed Control key: simulate picking element
16621   if (GetKeyModState() & KMOD_Control)
16622     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
16623
16624   ClearEditorGadgetInfoText();
16625
16626   if (gi->event.type == GD_EVENT_INFO_LEAVING)
16627     return;
16628
16629   // make sure to stay inside drawing area boundaries
16630   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
16631   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
16632
16633   if (id == GADGET_ID_DRAWING_LEVEL)
16634   {
16635     if (button_status)
16636     {
16637       int min_lx = 0, min_ly = 0;
16638       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
16639
16640       // get positions inside level field
16641       lx = sx + level_xpos;
16642       ly = sy + level_ypos;
16643
16644       // make sure to stay inside level field boundaries
16645       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
16646       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
16647
16648       // correct drawing area positions accordingly
16649       sx = lx - level_xpos;
16650       sy = ly - level_ypos;
16651     }
16652
16653     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
16654     {
16655       if (button_status)        // if (gi->state == GD_BUTTON_PRESSED)
16656       {
16657         static int start_lx = 0;
16658         static int start_ly = 0;
16659         char *text;
16660
16661         if (gi->event.type == GD_EVENT_PRESSED)
16662         {
16663           start_lx = lx;
16664           start_ly = ly;
16665         }
16666
16667         switch (actual_drawing_function)
16668         {
16669           case GADGET_ID_SINGLE_ITEMS:
16670             text = "Drawing single items";
16671             break;
16672           case GADGET_ID_CONNECTED_ITEMS:
16673             text = "Drawing connected items";
16674             break;
16675           case GADGET_ID_LINE:
16676             text = "Drawing line";
16677             break;
16678           case GADGET_ID_ARC:
16679             text = "Drawing arc";
16680             break;
16681           case GADGET_ID_TEXT:
16682             text = "Setting text cursor";
16683             break;
16684           case GADGET_ID_RECTANGLE:
16685             text = "Drawing rectangle";
16686             break;
16687           case GADGET_ID_FILLED_BOX:
16688             text = "Drawing filled box";
16689             break;
16690           case GADGET_ID_FLOOD_FILL:
16691             text = "Flood fill";
16692             break;
16693           case GADGET_ID_GRAB_BRUSH:
16694             text = "Grabbing brush";
16695             break;
16696           case GADGET_ID_PICK_ELEMENT:
16697             text = "Picking element";
16698             break;
16699
16700           default:
16701             text = "Drawing position";
16702             break;
16703         }
16704
16705         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
16706           sprintf(infotext, "%s: %d, %d", text, lx, ly);
16707         else
16708           sprintf(infotext, "%s: %d, %d", text,
16709                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
16710       }
16711       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
16712         strncpy(infotext, getElementInfoText(Tile[lx][ly]), max_infotext_len);
16713       else
16714         sprintf(infotext, "Level position: %d, %d", lx, ly);
16715     }
16716
16717     // misuse this function to draw brush cursor, if needed
16718     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
16719     {
16720       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
16721         CopyBrushToCursor(sx, sy);
16722       else
16723         DeleteBrushFromCursor();
16724     }
16725
16726     if (!draw_with_brush)
16727       UpdateBrushPosition(sx, sy);
16728   }
16729   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
16730   {
16731     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
16732     int element = drawingarea_info[type_id].value[pos];
16733
16734     strncpy(infotext, getElementInfoText(element), max_infotext_len);
16735   }
16736   else
16737   {
16738     if (id == GADGET_ID_CUSTOM_CONTENT)
16739       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
16740     else if (id == GADGET_ID_GROUP_CONTENT)
16741       sprintf(infotext, "group element position: %d", sx + 1);
16742     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
16743              id <= GADGET_ID_YAMYAM_CONTENT_7)
16744       sprintf(infotext, "content area %d position: %d, %d",
16745               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
16746     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
16747              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
16748       sprintf(infotext, "content area %d position: %d, %d",
16749               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
16750     else if (id == GADGET_ID_ANDROID_CONTENT)
16751       sprintf(infotext, "android element position: %d", sx + 1);
16752     else if (drawingarea_info[type_id].infotext != NULL)
16753       strcpy(infotext, drawingarea_info[type_id].infotext);
16754   }
16755
16756   infotext[max_infotext_len] = '\0';
16757
16758   if (strlen(infotext) > 0)
16759     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT, infotext);
16760 }
16761
16762 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
16763                             boolean quick_quit)
16764 {
16765   if (!ask_if_level_has_changed ||
16766       !LevelChanged() ||
16767       Request("Level has changed! Exit without saving?",
16768               REQ_ASK | REQ_STAY_OPEN))
16769   {
16770     struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
16771     struct RectWithBorder *vp_door_2 = &viewport.door_2[GAME_MODE_MAIN];
16772
16773     // draw normal door
16774     UndrawSpecialEditorDoor();
16775
16776     // use door animation if door 1 viewport is unchanged and contains toolbox
16777     if (useEditorDoorAnimation())
16778       CloseDoor(DOOR_CLOSE_1 | DOOR_FORCE_ANIM);
16779
16780     // close editor doors if viewport definition is the same as in main menu
16781     if (vp_door_1->x      == DX     &&
16782         vp_door_1->y      == DY     &&
16783         vp_door_1->width  == DXSIZE &&
16784         vp_door_1->height == DYSIZE &&
16785         vp_door_2->x      == VX     &&
16786         vp_door_2->y      == VY     &&
16787         vp_door_2->width  == VXSIZE &&
16788         vp_door_2->height == VYSIZE)
16789       CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
16790     else
16791       SetDoorState(DOOR_CLOSE_ALL);
16792
16793     BackToFront();
16794
16795     if (quick_quit)
16796       FadeSkipNextFadeIn();
16797
16798     SetGameStatus(GAME_MODE_MAIN);
16799
16800     DrawMainMenu();
16801   }
16802   else
16803   {
16804     if (!global.use_envelope_request)
16805     {
16806       CloseDoor(DOOR_CLOSE_1);
16807       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
16808     }
16809   }
16810 }