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_CREATURES_AUTO_TURN_DELAY_DOWN,
 445   GADGET_ID_BD_CREATURES_AUTO_TURN_DELAY_TEXT,
 446   GADGET_ID_BD_CREATURES_AUTO_TURN_DELAY_UP,
 447   GADGET_ID_BD_PUSHING_PROB_DOWN,
 448   GADGET_ID_BD_PUSHING_PROB_TEXT,
 449   GADGET_ID_BD_PUSHING_PROB_UP,
 450   GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_DOWN,
 451   GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_TEXT,
 452   GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_UP,
 453   GADGET_ID_ELEMENT_VALUE1_DOWN,
 454   GADGET_ID_ELEMENT_VALUE1_TEXT,
 455   GADGET_ID_ELEMENT_VALUE1_UP,
 456   GADGET_ID_ELEMENT_VALUE2_DOWN,
 457   GADGET_ID_ELEMENT_VALUE2_TEXT,
 458   GADGET_ID_ELEMENT_VALUE2_UP,
 459   GADGET_ID_ELEMENT_VALUE3_DOWN,
 460   GADGET_ID_ELEMENT_VALUE3_TEXT,
 461   GADGET_ID_ELEMENT_VALUE3_UP,
 462   GADGET_ID_ELEMENT_VALUE4_DOWN,
 463   GADGET_ID_ELEMENT_VALUE4_TEXT,
 464   GADGET_ID_ELEMENT_VALUE4_UP,
 465   GADGET_ID_YAMYAM_CONTENT_DOWN,
 466   GADGET_ID_YAMYAM_CONTENT_TEXT,
 467   GADGET_ID_YAMYAM_CONTENT_UP,
 468   GADGET_ID_BALL_CONTENT_DOWN,
 469   GADGET_ID_BALL_CONTENT_TEXT,
 470   GADGET_ID_BALL_CONTENT_UP,
 471   GADGET_ID_ANDROID_CONTENT_DOWN,
 472   GADGET_ID_ANDROID_CONTENT_TEXT,
 473   GADGET_ID_ANDROID_CONTENT_UP,
 474   GADGET_ID_ENVELOPE_XSIZE_DOWN,
 475   GADGET_ID_ENVELOPE_XSIZE_TEXT,
 476   GADGET_ID_ENVELOPE_XSIZE_UP,
 477   GADGET_ID_ENVELOPE_YSIZE_DOWN,
 478   GADGET_ID_ENVELOPE_YSIZE_TEXT,
 479   GADGET_ID_ENVELOPE_YSIZE_UP,
 480   GADGET_ID_INVENTORY_SIZE_DOWN,
 481   GADGET_ID_INVENTORY_SIZE_TEXT,
 482   GADGET_ID_INVENTORY_SIZE_UP,
 483   GADGET_ID_MM_BALL_CONTENT_DOWN,
 484   GADGET_ID_MM_BALL_CONTENT_TEXT,
 485   GADGET_ID_MM_BALL_CONTENT_UP,
 486   GADGET_ID_CUSTOM_SCORE_DOWN,
 487   GADGET_ID_CUSTOM_SCORE_TEXT,
 488   GADGET_ID_CUSTOM_SCORE_UP,
 489   GADGET_ID_CUSTOM_GEMCOUNT_DOWN,
 490   GADGET_ID_CUSTOM_GEMCOUNT_TEXT,
 491   GADGET_ID_CUSTOM_GEMCOUNT_UP,
 492   GADGET_ID_CUSTOM_VALUE_FIX_DOWN,
 493   GADGET_ID_CUSTOM_VALUE_FIX_TEXT,
 494   GADGET_ID_CUSTOM_VALUE_FIX_UP,
 495   GADGET_ID_CUSTOM_VALUE_RND_DOWN,
 496   GADGET_ID_CUSTOM_VALUE_RND_TEXT,
 497   GADGET_ID_CUSTOM_VALUE_RND_UP,
 498   GADGET_ID_PUSH_DELAY_FIX_DOWN,
 499   GADGET_ID_PUSH_DELAY_FIX_TEXT,
 500   GADGET_ID_PUSH_DELAY_FIX_UP,
 501   GADGET_ID_PUSH_DELAY_RND_DOWN,
 502   GADGET_ID_PUSH_DELAY_RND_TEXT,
 503   GADGET_ID_PUSH_DELAY_RND_UP,
 504   GADGET_ID_DROP_DELAY_FIX_DOWN,
 505   GADGET_ID_DROP_DELAY_FIX_TEXT,
 506   GADGET_ID_DROP_DELAY_FIX_UP,
 507   GADGET_ID_DROP_DELAY_RND_DOWN,
 508   GADGET_ID_DROP_DELAY_RND_TEXT,
 509   GADGET_ID_DROP_DELAY_RND_UP,
 510   GADGET_ID_MOVE_DELAY_FIX_DOWN,
 511   GADGET_ID_MOVE_DELAY_FIX_TEXT,
 512   GADGET_ID_MOVE_DELAY_FIX_UP,
 513   GADGET_ID_MOVE_DELAY_RND_DOWN,
 514   GADGET_ID_MOVE_DELAY_RND_TEXT,
 515   GADGET_ID_MOVE_DELAY_RND_UP,
 516   GADGET_ID_STEP_DELAY_FIX_DOWN,
 517   GADGET_ID_STEP_DELAY_FIX_TEXT,
 518   GADGET_ID_STEP_DELAY_FIX_UP,
 519   GADGET_ID_STEP_DELAY_RND_DOWN,
 520   GADGET_ID_STEP_DELAY_RND_TEXT,
 521   GADGET_ID_STEP_DELAY_RND_UP,
 522   GADGET_ID_EXPLOSION_DELAY_DOWN,
 523   GADGET_ID_EXPLOSION_DELAY_TEXT,
 524   GADGET_ID_EXPLOSION_DELAY_UP,
 525   GADGET_ID_IGNITION_DELAY_DOWN,
 526   GADGET_ID_IGNITION_DELAY_TEXT,
 527   GADGET_ID_IGNITION_DELAY_UP,
 528   GADGET_ID_CHANGE_DELAY_FIX_DOWN,
 529   GADGET_ID_CHANGE_DELAY_FIX_TEXT,
 530   GADGET_ID_CHANGE_DELAY_FIX_UP,
 531   GADGET_ID_CHANGE_DELAY_RND_DOWN,
 532   GADGET_ID_CHANGE_DELAY_RND_TEXT,
 533   GADGET_ID_CHANGE_DELAY_RND_UP,
 534   GADGET_ID_CHANGE_CONT_RND_DOWN,
 535   GADGET_ID_CHANGE_CONT_RND_TEXT,
 536   GADGET_ID_CHANGE_CONT_RND_UP,
 537   GADGET_ID_GROUP_CONTENT_DOWN,
 538   GADGET_ID_GROUP_CONTENT_TEXT,
 539   GADGET_ID_GROUP_CONTENT_UP,
 540
 541   // drawing area identifiers
 542
 543   GADGET_ID_DRAWING_LEVEL,
 544   GADGET_ID_YAMYAM_CONTENT_0,
 545   GADGET_ID_YAMYAM_CONTENT_1,
 546   GADGET_ID_YAMYAM_CONTENT_2,
 547   GADGET_ID_YAMYAM_CONTENT_3,
 548   GADGET_ID_YAMYAM_CONTENT_4,
 549   GADGET_ID_YAMYAM_CONTENT_5,
 550   GADGET_ID_YAMYAM_CONTENT_6,
 551   GADGET_ID_YAMYAM_CONTENT_7,
 552   GADGET_ID_MAGIC_BALL_CONTENT_0,
 553   GADGET_ID_MAGIC_BALL_CONTENT_1,
 554   GADGET_ID_MAGIC_BALL_CONTENT_2,
 555   GADGET_ID_MAGIC_BALL_CONTENT_3,
 556   GADGET_ID_MAGIC_BALL_CONTENT_4,
 557   GADGET_ID_MAGIC_BALL_CONTENT_5,
 558   GADGET_ID_MAGIC_BALL_CONTENT_6,
 559   GADGET_ID_MAGIC_BALL_CONTENT_7,
 560   GADGET_ID_ANDROID_CONTENT,
 561   GADGET_ID_AMOEBA_CONTENT,
 562   GADGET_ID_BD_SNAP_ELEMENT,
 563   GADGET_ID_BD_MAGIC_WALL_DIAMOND_TO,
 564   GADGET_ID_BD_MAGIC_WALL_ROCK_TO,
 565   GADGET_ID_BD_MAGIC_WALL_MEGA_ROCK_TO,
 566   GADGET_ID_BD_MAGIC_WALL_NUT_TO,
 567   GADGET_ID_BD_MAGIC_WALL_NITRO_PACK_TO,
 568   GADGET_ID_BD_MAGIC_WALL_FLYING_DIAMOND_TO,
 569   GADGET_ID_BD_MAGIC_WALL_FLYING_ROCK_TO,
 570   GADGET_ID_BD_AMOEBA_CONTENT_TOO_BIG,
 571   GADGET_ID_BD_AMOEBA_CONTENT_ENCLOSED,
 572   GADGET_ID_BD_AMOEBA_2_CONTENT_TOO_BIG,
 573   GADGET_ID_BD_AMOEBA_2_CONTENT_ENCLOSED,
 574   GADGET_ID_BD_AMOEBA_2_CONTENT_EXPLODING,
 575   GADGET_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,
 576   GADGET_ID_BD_SLIME_EATS_ELEMENT_1,
 577   GADGET_ID_BD_SLIME_CONVERTS_TO_ELEMENT_1,
 578   GADGET_ID_BD_SLIME_EATS_ELEMENT_2,
 579   GADGET_ID_BD_SLIME_CONVERTS_TO_ELEMENT_2,
 580   GADGET_ID_BD_SLIME_EATS_ELEMENT_3,
 581   GADGET_ID_BD_SLIME_CONVERTS_TO_ELEMENT_3,
 582   GADGET_ID_BD_ACID_EATS_ELEMENT,
 583   GADGET_ID_BD_ACID_TURNS_TO_ELEMENT,
 584   GADGET_ID_BD_BITER_EATS_ELEMENT,
 585   GADGET_ID_BD_BLADDER_CONVERTS_BY_ELEMENT,
 586   GADGET_ID_BD_NUT_CONTENT,
 587   GADGET_ID_BD_EXPANDING_WALL_LOOKS_LIKE,
 588   GADGET_ID_BD_SAND_LOOKS_LIKE,
 589   GADGET_ID_START_ELEMENT,
 590   GADGET_ID_ARTWORK_ELEMENT,
 591   GADGET_ID_EXPLOSION_ELEMENT,
 592   GADGET_ID_INVENTORY_CONTENT,
 593   GADGET_ID_MM_BALL_CONTENT,
 594   GADGET_ID_CUSTOM_GRAPHIC,
 595   GADGET_ID_CUSTOM_CONTENT,
 596   GADGET_ID_CUSTOM_MOVE_ENTER,
 597   GADGET_ID_CUSTOM_MOVE_LEAVE,
 598   GADGET_ID_CUSTOM_CHANGE_TARGET,
 599   GADGET_ID_CUSTOM_CHANGE_CONTENT,
 600   GADGET_ID_CUSTOM_CHANGE_TRIGGER,
 601   GADGET_ID_CUSTOM_CHANGE_ACTION,
 602   GADGET_ID_GROUP_CONTENT,
 603   GADGET_ID_RANDOM_BACKGROUND,
 604
 605   // text input identifiers
 606
 607   GADGET_ID_LEVEL_NAME,
 608   GADGET_ID_LEVEL_AUTHOR,
 609   GADGET_ID_LEVELSET_NAME,
 610   GADGET_ID_LEVELSET_AUTHOR,
 611   GADGET_ID_ELEMENT_NAME,
 612
 613   // text area identifiers
 614
 615   GADGET_ID_ENVELOPE_INFO,
 616
 617   // selectbox identifiers
 618
 619   GADGET_ID_TIME_OR_STEPS,
 620   GADGET_ID_TIME_SCORE_BASE,
 621   GADGET_ID_GAME_ENGINE_TYPE,
 622   GADGET_ID_BD_SCHEDULING_TYPE,
 623   GADGET_ID_LEVELSET_SAVE_MODE,
 624   GADGET_ID_WIND_DIRECTION,
 625   GADGET_ID_PLAYER_SPEED,
 626   GADGET_ID_MM_BALL_CHOICE_MODE,
 627   GADGET_ID_CUSTOM_WALK_TO_ACTION,
 628   GADGET_ID_CUSTOM_EXPLOSION_TYPE,
 629   GADGET_ID_CUSTOM_DEADLINESS,
 630   GADGET_ID_CUSTOM_MOVE_PATTERN,
 631   GADGET_ID_CUSTOM_MOVE_DIRECTION,
 632   GADGET_ID_CUSTOM_MOVE_STEPSIZE,
 633   GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
 634   GADGET_ID_CUSTOM_SMASH_TARGETS,
 635   GADGET_ID_CUSTOM_SLIPPERY_TYPE,
 636   GADGET_ID_CUSTOM_ACCESS_TYPE,
 637   GADGET_ID_CUSTOM_ACCESS_LAYER,
 638   GADGET_ID_CUSTOM_ACCESS_PROTECTED,
 639   GADGET_ID_CUSTOM_ACCESS_DIRECTION,
 640   GADGET_ID_CHANGE_TIME_UNITS,
 641   GADGET_ID_CHANGE_DIRECT_ACTION,
 642   GADGET_ID_CHANGE_OTHER_ACTION,
 643   GADGET_ID_CHANGE_SIDE,
 644   GADGET_ID_CHANGE_PLAYER,
 645   GADGET_ID_CHANGE_PAGE,
 646   GADGET_ID_CHANGE_REPLACE_WHEN,
 647   GADGET_ID_ACTION_TYPE,
 648   GADGET_ID_ACTION_MODE,
 649   GADGET_ID_ACTION_ARG,
 650   GADGET_ID_SELECT_CHANGE_PAGE,
 651   GADGET_ID_GROUP_CHOICE_MODE,
 652
 653   // textbutton identifiers
 654
 655   GADGET_ID_LEVELCONFIG_LEVEL,
 656   GADGET_ID_LEVELCONFIG_LEVELSET,
 657   GADGET_ID_LEVELCONFIG_EDITOR,
 658   GADGET_ID_LEVELCONFIG_ENGINE,
 659   GADGET_ID_PROPERTIES_INFO,
 660   GADGET_ID_PROPERTIES_CONFIG,
 661   GADGET_ID_PROPERTIES_CONFIG_1,
 662   GADGET_ID_PROPERTIES_CONFIG_2,
 663   GADGET_ID_PROPERTIES_CHANGE,
 664   GADGET_ID_SAVE_AS_TEMPLATE_1,
 665   GADGET_ID_SAVE_AS_TEMPLATE_2,
 666   GADGET_ID_SAVE_LEVELSET,
 667   GADGET_ID_ADD_CHANGE_PAGE,
 668   GADGET_ID_DEL_CHANGE_PAGE,
 669
 670   // graphicbutton identifiers
 671
 672   GADGET_ID_PREV_CHANGE_PAGE,
 673   GADGET_ID_NEXT_CHANGE_PAGE,
 674   GADGET_ID_COPY_CHANGE_PAGE,
 675   GADGET_ID_PASTE_CHANGE_PAGE,
 676
 677   // gadgets for scrolling of drawing area
 678
 679   GADGET_ID_SCROLL_UP,
 680   GADGET_ID_SCROLL_DOWN,
 681   GADGET_ID_SCROLL_LEFT,
 682   GADGET_ID_SCROLL_RIGHT,
 683   GADGET_ID_SCROLL_HORIZONTAL,
 684   GADGET_ID_SCROLL_VERTICAL,
 685
 686   // gadgets for scrolling element list
 687
 688   GADGET_ID_SCROLL_LIST_UP,
 689   GADGET_ID_SCROLL_LIST_DOWN,
 690   GADGET_ID_SCROLL_LIST_VERTICAL,
 691
 692   // checkbuttons/radiobuttons for level/element properties
 693
 694   GADGET_ID_AUTO_COUNT_GEMS,
 695   GADGET_ID_RATE_TIME_OVER_SCORE,
 696   GADGET_ID_USE_LEVELSET_ARTWORK,
 697   GADGET_ID_COPY_LEVEL_TEMPLATE,
 698   GADGET_ID_RANDOM_PERCENTAGE,
 699   GADGET_ID_RANDOM_QUANTITY,
 700   GADGET_ID_RANDOM_RESTRICTED,
 701   GADGET_ID_BD_INTERMISSION,
 702   GADGET_ID_BD_PAL_TIMING,
 703   GADGET_ID_BD_LINE_SHIFTING_BORDERS,
 704   GADGET_ID_BD_SCAN_FIRST_AND_LAST_ROW,
 705   GADGET_ID_BD_SHORT_EXPLOSIONS,
 706   GADGET_ID_BD_GRAVITY_AFFECTS_ALL,
 707   GADGET_ID_BD_CREATURES_START_BACKWARDS,
 708   GADGET_ID_BD_CREATURES_TURN_ON_HATCHING,
 709   GADGET_ID_STICK_ELEMENT,
 710   GADGET_ID_EM_SLIPPERY_GEMS,
 711   GADGET_ID_EM_EXPLODES_BY_FIRE,
 712   GADGET_ID_USE_SPRING_BUG,
 713   GADGET_ID_USE_TIME_ORB_BUG,
 714   GADGET_ID_USE_LIFE_BUGS,
 715   GADGET_ID_RANDOM_BALL_CONTENT,
 716   GADGET_ID_INITIAL_BALL_ACTIVE,
 717   GADGET_ID_GROW_INTO_DIGGABLE,
 718   GADGET_ID_SB_FIELDS_NEEDED,
 719   GADGET_ID_SB_OBJECTS_NEEDED,
 720   GADGET_ID_AUTO_EXIT_SOKOBAN,
 721   GADGET_ID_SOLVED_BY_ONE_PLAYER,
 722   GADGET_ID_FINISH_DIG_COLLECT,
 723   GADGET_ID_KEEP_WALKABLE_CE,
 724   GADGET_ID_CONTINUOUS_SNAPPING,
 725   GADGET_ID_BLOCK_SNAP_FIELD,
 726   GADGET_ID_BLOCK_LAST_FIELD,
 727   GADGET_ID_SP_BLOCK_LAST_FIELD,
 728   GADGET_ID_INSTANT_RELOCATION,
 729   GADGET_ID_SHIFTED_RELOCATION,
 730   GADGET_ID_LAZY_RELOCATION,
 731   GADGET_ID_USE_START_ELEMENT,
 732   GADGET_ID_USE_ARTWORK_ELEMENT,
 733   GADGET_ID_USE_EXPLOSION_ELEMENT,
 734   GADGET_ID_INITIAL_GRAVITY,
 735   GADGET_ID_USE_INITIAL_INVENTORY,
 736   GADGET_ID_CAN_PASS_TO_WALKABLE,
 737   GADGET_ID_CAN_FALL_INTO_ACID,
 738   GADGET_ID_CAN_MOVE_INTO_ACID,
 739   GADGET_ID_DONT_COLLIDE_WITH,
 740   GADGET_ID_BD_DIAGONAL_MOVEMENTS,
 741   GADGET_ID_BD_TOPMOST_PLAYER_ACTIVE,
 742   GADGET_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,
 743   GADGET_ID_BD_MAGIC_WALL_WAIT_HATCHING,
 744   GADGET_ID_BD_MAGIC_WALL_STOPS_AMOEBA,
 745   GADGET_ID_BD_AMOEBA_WAIT_FOR_HATCHING,
 746   GADGET_ID_BD_AMOEBA_START_IMMEDIATELY,
 747   GADGET_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,
 748   GADGET_ID_BD_VOODOO_COLLECTS_DIAMONDS,
 749   GADGET_ID_BD_VOODOO_HURT_KILLS_PLAYER,
 750   GADGET_ID_BD_VOODOO_DIES_BY_ROCK,
 751   GADGET_ID_BD_VOODOO_VANISH_BY_EXPLOSION,
 752   GADGET_ID_BD_SLIME_IS_PREDICTABLE,
 753   GADGET_ID_BD_CHANGE_EXPANDING_WALL,
 754   GADGET_ID_BD_REPLICATORS_ACTIVE,
 755   GADGET_ID_BD_CONVEYOR_BELTS_ACTIVE,
 756   GADGET_ID_BD_CONVEYOR_BELTS_CHANGED,
 757   GADGET_ID_BD_WATER_CANNOT_FLOW_DOWN,
 758   GADGET_ID_BD_HAMMER_WALLS_REAPPEAR,
 759   GADGET_ID_ENVELOPE_AUTOWRAP,
 760   GADGET_ID_ENVELOPE_CENTERED,
 761   GADGET_ID_MM_LASER_RED,
 762   GADGET_ID_MM_LASER_GREEN,
 763   GADGET_ID_MM_LASER_BLUE,
 764   GADGET_ID_DF_LASER_RED,
 765   GADGET_ID_DF_LASER_GREEN,
 766   GADGET_ID_DF_LASER_BLUE,
 767   GADGET_ID_ROTATE_MM_BALL_CONTENT,
 768   GADGET_ID_EXPLODE_MM_BALL,
 769   GADGET_ID_CUSTOM_INDESTRUCTIBLE,
 770   GADGET_ID_CUSTOM_CAN_EXPLODE,
 771   GADGET_ID_CUSTOM_EXPLODE_FIRE,
 772   GADGET_ID_CUSTOM_EXPLODE_SMASH,
 773   GADGET_ID_CUSTOM_EXPLODE_IMPACT,
 774   GADGET_ID_CUSTOM_WALK_TO_OBJECT,
 775   GADGET_ID_CUSTOM_DEADLY,
 776   GADGET_ID_CUSTOM_CAN_MOVE,
 777   GADGET_ID_CUSTOM_CAN_FALL,
 778   GADGET_ID_CUSTOM_CAN_SMASH,
 779   GADGET_ID_CUSTOM_SLIPPERY,
 780   GADGET_ID_CUSTOM_ACCESSIBLE,
 781   GADGET_ID_CUSTOM_GRAV_REACHABLE,
 782   GADGET_ID_CUSTOM_USE_LAST_VALUE,
 783   GADGET_ID_CUSTOM_USE_GRAPHIC,
 784   GADGET_ID_CUSTOM_USE_TEMPLATE_1,
 785   GADGET_ID_CUSTOM_USE_TEMPLATE_2,
 786   GADGET_ID_CUSTOM_USE_TEMPLATE_3,
 787   GADGET_ID_CUSTOM_CAN_CHANGE,
 788   GADGET_ID_CHANGE_USE_CONTENT,
 789   GADGET_ID_CHANGE_USE_EXPLOSION,
 790   GADGET_ID_CHANGE_ONLY_COMPLETE,
 791   GADGET_ID_CHANGE_USE_RANDOM,
 792   GADGET_ID_CHANGE_HAS_ACTION,
 793   GADGET_ID_CHANGE_DELAY,
 794   GADGET_ID_CHANGE_BY_DIRECT_ACT,
 795   GADGET_ID_CHANGE_BY_OTHER_ACT,
 796
 797   NUM_STATIC_GADGET_IDS
 798 };
 799
 800 // gadgets for buttons in element list (dynamic)
 801 #define GADGET_ID_ELEMENTLIST_FIRST     (NUM_STATIC_GADGET_IDS)
 802 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 803                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 804
 805 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 806
 807 // radio button numbers
 808 enum
 809 {
 810   RADIO_NR_NONE,
 811   RADIO_NR_DRAWING_TOOLBOX,
 812   RADIO_NR_RANDOM_ELEMENTS
 813 };
 814
 815 // values for counter gadgets
 816 enum
 817 {
 818   ED_COUNTER_ID_SELECT_LEVEL,
 819   ED_COUNTER_ID_LEVEL_XSIZE,
 820   ED_COUNTER_ID_LEVEL_YSIZE,
 821   ED_COUNTER_ID_LEVEL_GEMSLIMIT,
 822   ED_COUNTER_ID_LEVEL_TIMELIMIT,
 823   ED_COUNTER_ID_LEVEL_TIMESCORE,
 824   ED_COUNTER_ID_LEVEL_RANDOM_SEED,
 825   ED_COUNTER_ID_LEVELSET_NUM_LEVELS,
 826   ED_COUNTER_ID_LEVEL_RANDOM,
 827   ED_COUNTER_ID_BD_CYCLE_DELAY_MS,
 828   ED_COUNTER_ID_BD_CYCLE_DELAY_C64,
 829   ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES,
 830   ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS,
 831   ED_COUNTER_ID_BD_CREATURES_AUTO_TURN_DELAY,
 832   ED_COUNTER_ID_BD_PUSHING_PROB,
 833   ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET,
 834   ED_COUNTER_ID_ELEMENT_VALUE1,
 835   ED_COUNTER_ID_ELEMENT_VALUE2,
 836   ED_COUNTER_ID_ELEMENT_VALUE3,
 837   ED_COUNTER_ID_ELEMENT_VALUE4,
 838   ED_COUNTER_ID_YAMYAM_CONTENT,
 839   ED_COUNTER_ID_BALL_CONTENT,
 840   ED_COUNTER_ID_ANDROID_CONTENT,
 841   ED_COUNTER_ID_ENVELOPE_XSIZE,
 842   ED_COUNTER_ID_ENVELOPE_YSIZE,
 843   ED_COUNTER_ID_INVENTORY_SIZE,
 844   ED_COUNTER_ID_MM_BALL_CONTENT,
 845   ED_COUNTER_ID_CUSTOM_SCORE,
 846   ED_COUNTER_ID_CUSTOM_GEMCOUNT,
 847   ED_COUNTER_ID_CUSTOM_VALUE_FIX,
 848   ED_COUNTER_ID_CUSTOM_VALUE_RND,
 849   ED_COUNTER_ID_PUSH_DELAY_FIX,
 850   ED_COUNTER_ID_PUSH_DELAY_RND,
 851   ED_COUNTER_ID_DROP_DELAY_FIX,
 852   ED_COUNTER_ID_DROP_DELAY_RND,
 853   ED_COUNTER_ID_MOVE_DELAY_FIX,
 854   ED_COUNTER_ID_MOVE_DELAY_RND,
 855   ED_COUNTER_ID_STEP_DELAY_FIX,
 856   ED_COUNTER_ID_STEP_DELAY_RND,
 857   ED_COUNTER_ID_EXPLOSION_DELAY,
 858   ED_COUNTER_ID_IGNITION_DELAY,
 859   ED_COUNTER_ID_GROUP_CONTENT,
 860   ED_COUNTER_ID_CHANGE_DELAY_FIX,
 861   ED_COUNTER_ID_CHANGE_DELAY_RND,
 862   ED_COUNTER_ID_CHANGE_CONT_RND,
 863
 864   ED_NUM_COUNTERBUTTONS
 865 };
 866
 867 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 868 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM_SEED
 869 #define ED_COUNTER_ID_LEVELSET_FIRST    ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 870 #define ED_COUNTER_ID_LEVELSET_LAST     ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 871 #define ED_COUNTER_ID_EDITOR_FIRST      ED_COUNTER_ID_LEVEL_RANDOM
 872 #define ED_COUNTER_ID_EDITOR_LAST       ED_COUNTER_ID_LEVEL_RANDOM
 873
 874 #define ED_COUNTER_ID_CUSTOM1_FIRST     ED_COUNTER_ID_CUSTOM_SCORE
 875 #define ED_COUNTER_ID_CUSTOM1_LAST      ED_COUNTER_ID_DROP_DELAY_RND
 876 #define ED_COUNTER_ID_CUSTOM2_FIRST     ED_COUNTER_ID_MOVE_DELAY_FIX
 877 #define ED_COUNTER_ID_CUSTOM2_LAST      ED_COUNTER_ID_IGNITION_DELAY
 878 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM1_FIRST
 879 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_CUSTOM2_LAST
 880
 881 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 882 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 883
 884 // values for scrollbutton gadgets
 885 enum
 886 {
 887   ED_SCROLLBUTTON_ID_AREA_UP,
 888   ED_SCROLLBUTTON_ID_AREA_DOWN,
 889   ED_SCROLLBUTTON_ID_AREA_LEFT,
 890   ED_SCROLLBUTTON_ID_AREA_RIGHT,
 891   ED_SCROLLBUTTON_ID_LIST_UP,
 892   ED_SCROLLBUTTON_ID_LIST_DOWN,
 893
 894   ED_NUM_SCROLLBUTTONS
 895 };
 896
 897 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 898 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 899
 900 // values for scrollbar gadgets
 901 enum
 902 {
 903   ED_SCROLLBAR_ID_AREA_HORIZONTAL,
 904   ED_SCROLLBAR_ID_AREA_VERTICAL,
 905   ED_SCROLLBAR_ID_LIST_VERTICAL,
 906
 907   ED_NUM_SCROLLBARS
 908 };
 909
 910 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 911 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 912
 913 // values for text input gadgets
 914 enum
 915 {
 916   ED_TEXTINPUT_ID_LEVEL_NAME,
 917   ED_TEXTINPUT_ID_LEVEL_AUTHOR,
 918   ED_TEXTINPUT_ID_LEVELSET_NAME,
 919   ED_TEXTINPUT_ID_LEVELSET_AUTHOR,
 920   ED_TEXTINPUT_ID_ELEMENT_NAME,
 921
 922   ED_NUM_TEXTINPUT
 923 };
 924
 925 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 926 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 927
 928 #define ED_TEXTINPUT_ID_LEVELSET_FIRST  ED_TEXTINPUT_ID_LEVELSET_NAME
 929 #define ED_TEXTINPUT_ID_LEVELSET_LAST   ED_TEXTINPUT_ID_LEVELSET_AUTHOR
 930
 931 // values for text area gadgets
 932 enum
 933 {
 934   ED_TEXTAREA_ID_ENVELOPE_INFO,
 935
 936   ED_NUM_TEXTAREAS
 937 };
 938
 939 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
 940 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
 941
 942 // values for selectbox gadgets
 943 enum
 944 {
 945   ED_SELECTBOX_ID_TIME_OR_STEPS,
 946   ED_SELECTBOX_ID_TIME_SCORE_BASE,
 947   ED_SELECTBOX_ID_GAME_ENGINE_TYPE,
 948   ED_SELECTBOX_ID_BD_SCHEDULING_TYPE,
 949   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE,
 950   ED_SELECTBOX_ID_WIND_DIRECTION,
 951   ED_SELECTBOX_ID_PLAYER_SPEED,
 952   ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE,
 953   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE,
 954   ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER,
 955   ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED,
 956   ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION,
 957   ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION,
 958   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN,
 959   ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION,
 960   ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE,
 961   ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE,
 962   ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS,
 963   ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE,
 964   ED_SELECTBOX_ID_CUSTOM_DEADLINESS,
 965   ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE,
 966   ED_SELECTBOX_ID_CHANGE_TIME_UNITS,
 967   ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION,
 968   ED_SELECTBOX_ID_CHANGE_OTHER_ACTION,
 969   ED_SELECTBOX_ID_CHANGE_SIDE,
 970   ED_SELECTBOX_ID_CHANGE_PLAYER,
 971   ED_SELECTBOX_ID_CHANGE_PAGE,
 972   ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN,
 973   ED_SELECTBOX_ID_ACTION_TYPE,
 974   ED_SELECTBOX_ID_ACTION_MODE,
 975   ED_SELECTBOX_ID_ACTION_ARG,
 976   ED_SELECTBOX_ID_SELECT_CHANGE_PAGE,
 977   ED_SELECTBOX_ID_GROUP_CHOICE_MODE,
 978
 979   ED_NUM_SELECTBOX
 980 };
 981
 982 #define ED_SELECTBOX_ID_LEVEL_FIRST     ED_SELECTBOX_ID_TIME_OR_STEPS
 983 #define ED_SELECTBOX_ID_LEVEL_LAST      ED_SELECTBOX_ID_GAME_ENGINE_TYPE
 984
 985 #define ED_SELECTBOX_ID_LEVELSET_FIRST  ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 986 #define ED_SELECTBOX_ID_LEVELSET_LAST   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 987
 988 #define ED_SELECTBOX_ID_ENGINE_FIRST    ED_SELECTBOX_ID_BD_SCHEDULING_TYPE
 989 #define ED_SELECTBOX_ID_ENGINE_LAST     ED_SELECTBOX_ID_BD_SCHEDULING_TYPE
 990
 991 #define ED_SELECTBOX_ID_CUSTOM1_FIRST   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
 992 #define ED_SELECTBOX_ID_CUSTOM1_LAST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
 993 #define ED_SELECTBOX_ID_CUSTOM2_FIRST   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN
 994 #define ED_SELECTBOX_ID_CUSTOM2_LAST    ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE
 995 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM1_FIRST
 996 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM2_LAST
 997
 998 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 999 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
1000
1001 // values for textbutton gadgets
1002 enum
1003 {
1004   ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL,
1005   ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET,
1006   ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR,
1007   ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE,
1008   ED_TEXTBUTTON_ID_PROPERTIES_INFO,
1009   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG,
1010   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1,
1011   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2,
1012   ED_TEXTBUTTON_ID_PROPERTIES_CHANGE,
1013   ED_TEXTBUTTON_ID_SAVE_LEVELSET,
1014   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2,
1015   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1,
1016   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE,
1017   ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE,
1018
1019   ED_NUM_TEXTBUTTONS
1020 };
1021
1022 #define ED_TAB_BUTTON_ID_LEVELCONFIG_FIRST ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL
1023 #define ED_TAB_BUTTON_ID_LEVELCONFIG_LAST  ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE
1024
1025 #define ED_TAB_BUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
1026 #define ED_TAB_BUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
1027
1028 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE
1029 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
1030
1031 // values for graphicbutton gadgets
1032 enum
1033 {
1034   ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE,
1035   ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE,
1036   ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE,
1037   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE,
1038
1039   ED_NUM_GRAPHICBUTTONS
1040 };
1041
1042 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST  ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
1043 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE
1044
1045 // values for checkbutton gadgets
1046 enum
1047 {
1048   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS,
1049   ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE,
1050   ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK,
1051   ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE,
1052   ED_CHECKBUTTON_ID_RANDOM_RESTRICTED,
1053   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3,
1054   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2,
1055   ED_CHECKBUTTON_ID_BD_INTERMISSION,
1056   ED_CHECKBUTTON_ID_BD_PAL_TIMING,
1057   ED_CHECKBUTTON_ID_BD_LINE_SHIFTING_BORDERS,
1058   ED_CHECKBUTTON_ID_BD_SCAN_FIRST_AND_LAST_ROW,
1059   ED_CHECKBUTTON_ID_BD_SHORT_EXPLOSIONS,
1060   ED_CHECKBUTTON_ID_BD_GRAVITY_AFFECTS_ALL,
1061   ED_CHECKBUTTON_ID_BD_CREATURES_START_BACKWARDS,
1062   ED_CHECKBUTTON_ID_BD_CREATURES_TURN_ON_HATCHING,
1063   ED_CHECKBUTTON_ID_STICK_ELEMENT,
1064   ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS,
1065   ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE,
1066   ED_CHECKBUTTON_ID_USE_SPRING_BUG,
1067   ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG,
1068   ED_CHECKBUTTON_ID_USE_LIFE_BUGS,
1069   ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT,
1070   ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE,
1071   ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE,
1072   ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED,
1073   ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED,
1074   ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN,
1075   ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER,
1076   ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT,
1077   ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE,
1078   ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING,
1079   ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD,
1080   ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD,
1081   ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD,
1082   ED_CHECKBUTTON_ID_INSTANT_RELOCATION,
1083   ED_CHECKBUTTON_ID_SHIFTED_RELOCATION,
1084   ED_CHECKBUTTON_ID_LAZY_RELOCATION,
1085   ED_CHECKBUTTON_ID_USE_START_ELEMENT,
1086   ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT,
1087   ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT,
1088   ED_CHECKBUTTON_ID_INITIAL_GRAVITY,
1089   ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY,
1090   ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE,
1091   ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID,
1092   ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID,
1093   ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH,
1094   ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS,
1095   ED_CHECKBUTTON_ID_BD_TOPMOST_PLAYER_ACTIVE,
1096   ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,
1097   ED_CHECKBUTTON_ID_BD_MAGIC_WALL_WAIT_HATCHING,
1098   ED_CHECKBUTTON_ID_BD_MAGIC_WALL_STOPS_AMOEBA,
1099   ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING,
1100   ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY,
1101   ED_CHECKBUTTON_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,
1102   ED_CHECKBUTTON_ID_BD_VOODOO_COLLECTS_DIAMONDS,
1103   ED_CHECKBUTTON_ID_BD_VOODOO_HURT_KILLS_PLAYER,
1104   ED_CHECKBUTTON_ID_BD_VOODOO_DIES_BY_ROCK,
1105   ED_CHECKBUTTON_ID_BD_VOODOO_VANISH_BY_EXPLOSION,
1106   ED_CHECKBUTTON_ID_BD_SLIME_IS_PREDICTABLE,
1107   ED_CHECKBUTTON_ID_BD_CHANGE_EXPANDING_WALL,
1108   ED_CHECKBUTTON_ID_BD_REPLICATORS_ACTIVE,
1109   ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_ACTIVE,
1110   ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_CHANGED,
1111   ED_CHECKBUTTON_ID_BD_WATER_CANNOT_FLOW_DOWN,
1112   ED_CHECKBUTTON_ID_BD_HAMMER_WALLS_REAPPEAR,
1113   ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP,
1114   ED_CHECKBUTTON_ID_ENVELOPE_CENTERED,
1115   ED_CHECKBUTTON_ID_MM_LASER_RED,
1116   ED_CHECKBUTTON_ID_MM_LASER_GREEN,
1117   ED_CHECKBUTTON_ID_MM_LASER_BLUE,
1118   ED_CHECKBUTTON_ID_DF_LASER_RED,
1119   ED_CHECKBUTTON_ID_DF_LASER_GREEN,
1120   ED_CHECKBUTTON_ID_DF_LASER_BLUE,
1121   ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT,
1122   ED_CHECKBUTTON_ID_EXPLODE_MM_BALL,
1123   ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC,
1124   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1,
1125   ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE,
1126   ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE,
1127   ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE,
1128   ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT,
1129   ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE,
1130   ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE,
1131   ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL,
1132   ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH,
1133   ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY,
1134   ED_CHECKBUTTON_ID_CUSTOM_DEADLY,
1135   ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE,
1136   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE,
1137   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH,
1138   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT,
1139   ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE,
1140   ED_CHECKBUTTON_ID_CHANGE_DELAY,
1141   ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT,
1142   ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT,
1143   ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION,
1144   ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT,
1145   ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE,
1146   ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM,
1147   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION,
1148
1149   ED_NUM_CHECKBUTTONS
1150 };
1151
1152 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS
1153 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE
1154
1155 #define ED_CHECKBUTTON_ID_LEVELSET_FIRST ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK
1156 #define ED_CHECKBUTTON_ID_LEVELSET_LAST  ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE
1157
1158 #define ED_CHECKBUTTON_ID_EDITOR_FIRST  ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
1159 #define ED_CHECKBUTTON_ID_EDITOR_LAST   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2
1160
1161 #define ED_CHECKBUTTON_ID_ENGINE_FIRST  ED_CHECKBUTTON_ID_BD_INTERMISSION
1162 #define ED_CHECKBUTTON_ID_ENGINE_LAST   ED_CHECKBUTTON_ID_BD_CREATURES_TURN_ON_HATCHING
1163
1164 #define ED_CHECKBUTTON_ID_CUSTOM1_FIRST ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
1165 #define ED_CHECKBUTTON_ID_CUSTOM1_LAST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
1166 #define ED_CHECKBUTTON_ID_CUSTOM2_FIRST ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE
1167 #define ED_CHECKBUTTON_ID_CUSTOM2_LAST  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
1168 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM1_FIRST
1169 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM2_LAST
1170
1171 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE
1172 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION
1173
1174 // values for radiobutton gadgets
1175 enum
1176 {
1177   ED_RADIOBUTTON_ID_PERCENTAGE,
1178   ED_RADIOBUTTON_ID_QUANTITY,
1179
1180   ED_NUM_RADIOBUTTONS
1181 };
1182
1183 #define ED_RADIOBUTTON_ID_EDITOR_FIRST  ED_RADIOBUTTON_ID_PERCENTAGE
1184 #define ED_RADIOBUTTON_ID_EDITOR_LAST   ED_RADIOBUTTON_ID_QUANTITY
1185
1186 // values for drawing area gadgets
1187 enum
1188 {
1189   ED_DRAWING_ID_DRAWING_LEVEL,
1190   ED_DRAWING_ID_YAMYAM_CONTENT_0,
1191   ED_DRAWING_ID_YAMYAM_CONTENT_1,
1192   ED_DRAWING_ID_YAMYAM_CONTENT_2,
1193   ED_DRAWING_ID_YAMYAM_CONTENT_3,
1194   ED_DRAWING_ID_YAMYAM_CONTENT_4,
1195   ED_DRAWING_ID_YAMYAM_CONTENT_5,
1196   ED_DRAWING_ID_YAMYAM_CONTENT_6,
1197   ED_DRAWING_ID_YAMYAM_CONTENT_7,
1198   ED_DRAWING_ID_MAGIC_BALL_CONTENT_0,
1199   ED_DRAWING_ID_MAGIC_BALL_CONTENT_1,
1200   ED_DRAWING_ID_MAGIC_BALL_CONTENT_2,
1201   ED_DRAWING_ID_MAGIC_BALL_CONTENT_3,
1202   ED_DRAWING_ID_MAGIC_BALL_CONTENT_4,
1203   ED_DRAWING_ID_MAGIC_BALL_CONTENT_5,
1204   ED_DRAWING_ID_MAGIC_BALL_CONTENT_6,
1205   ED_DRAWING_ID_MAGIC_BALL_CONTENT_7,
1206   ED_DRAWING_ID_ANDROID_CONTENT,
1207   ED_DRAWING_ID_AMOEBA_CONTENT,
1208   ED_DRAWING_ID_BD_SNAP_ELEMENT,
1209   ED_DRAWING_ID_BD_MAGIC_WALL_DIAMOND_TO,
1210   ED_DRAWING_ID_BD_MAGIC_WALL_ROCK_TO,
1211   ED_DRAWING_ID_BD_MAGIC_WALL_MEGA_ROCK_TO,
1212   ED_DRAWING_ID_BD_MAGIC_WALL_NUT_TO,
1213   ED_DRAWING_ID_BD_MAGIC_WALL_NITRO_PACK_TO,
1214   ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_DIAMOND_TO,
1215   ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_ROCK_TO,
1216   ED_DRAWING_ID_BD_AMOEBA_CONTENT_TOO_BIG,
1217   ED_DRAWING_ID_BD_AMOEBA_CONTENT_ENCLOSED,
1218   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_TOO_BIG,
1219   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_ENCLOSED,
1220   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_EXPLODING,
1221   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,
1222   ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_1,
1223   ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_1,
1224   ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_2,
1225   ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_2,
1226   ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_3,
1227   ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_3,
1228   ED_DRAWING_ID_BD_ACID_EATS_ELEMENT,
1229   ED_DRAWING_ID_BD_ACID_TURNS_TO_ELEMENT,
1230   ED_DRAWING_ID_BD_BITER_EATS_ELEMENT,
1231   ED_DRAWING_ID_BD_BLADDER_CONVERTS_BY_ELEMENT,
1232   ED_DRAWING_ID_BD_NUT_CONTENT,
1233   ED_DRAWING_ID_BD_EXPANDING_WALL_LOOKS_LIKE,
1234   ED_DRAWING_ID_BD_SAND_LOOKS_LIKE,
1235   ED_DRAWING_ID_START_ELEMENT,
1236   ED_DRAWING_ID_ARTWORK_ELEMENT,
1237   ED_DRAWING_ID_EXPLOSION_ELEMENT,
1238   ED_DRAWING_ID_INVENTORY_CONTENT,
1239   ED_DRAWING_ID_MM_BALL_CONTENT,
1240   ED_DRAWING_ID_CUSTOM_GRAPHIC,
1241   ED_DRAWING_ID_CUSTOM_CONTENT,
1242   ED_DRAWING_ID_CUSTOM_MOVE_ENTER,
1243   ED_DRAWING_ID_CUSTOM_MOVE_LEAVE,
1244   ED_DRAWING_ID_CUSTOM_CHANGE_TARGET,
1245   ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT,
1246   ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER,
1247   ED_DRAWING_ID_CUSTOM_CHANGE_ACTION,
1248   ED_DRAWING_ID_GROUP_CONTENT,
1249   ED_DRAWING_ID_RANDOM_BACKGROUND,
1250
1251   ED_NUM_DRAWING_AREAS
1252 };
1253
1254 #define ED_DRAWING_ID_EDITOR_FIRST      ED_DRAWING_ID_RANDOM_BACKGROUND
1255 #define ED_DRAWING_ID_EDITOR_LAST       ED_DRAWING_ID_RANDOM_BACKGROUND
1256
1257
1258 // ----------------------------------------------------------------------------
1259 // some internally used definitions
1260 // ----------------------------------------------------------------------------
1261
1262 // values for CopyLevelToUndoBuffer()
1263 #define UNDO_IMMEDIATE                  0
1264 #define UNDO_ACCUMULATE                 1
1265
1266 // values for scrollbars
1267 #define ED_SCROLL_NO                    0
1268 #define ED_SCROLL_LEFT                  1
1269 #define ED_SCROLL_RIGHT                 2
1270 #define ED_SCROLL_UP                    4
1271 #define ED_SCROLL_DOWN                  8
1272
1273 // screens in the level editor
1274 #define ED_MODE_DRAWING                 0
1275 #define ED_MODE_LEVELCONFIG             1
1276 #define ED_MODE_PROPERTIES              2
1277 #define ED_MODE_PALETTE                 3
1278
1279 // sub-screens in the global settings section
1280 #define ED_MODE_LEVELCONFIG_LEVEL       ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL
1281 #define ED_MODE_LEVELCONFIG_LEVELSET    ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET
1282 #define ED_MODE_LEVELCONFIG_EDITOR      ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR
1283 #define ED_MODE_LEVELCONFIG_ENGINE      ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE
1284
1285 // sub-screens in the element properties section
1286 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
1287 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
1288 #define ED_MODE_PROPERTIES_CONFIG_1     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1
1289 #define ED_MODE_PROPERTIES_CONFIG_2     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2
1290 #define ED_MODE_PROPERTIES_CHANGE       ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
1291
1292 // how many steps can be cancelled
1293 #define NUM_UNDO_STEPS                  (64 + 1)
1294
1295 // values for elements with score for certain actions
1296 #define MIN_SCORE                       0
1297 #define MAX_SCORE                       999
1298
1299 // values for elements with count for collecting
1300 #define MIN_COLLECT_COUNT               0
1301 #define MAX_COLLECT_COUNT               999
1302
1303 // values for random placement
1304 #define RANDOM_USE_PERCENTAGE           0
1305 #define RANDOM_USE_QUANTITY             1
1306
1307 // values for level set save mode
1308 #define LEVELSET_SAVE_MODE_UPDATE       0
1309 #define LEVELSET_SAVE_MODE_CREATE       1
1310
1311 // default value for element tile size in drawing area
1312 #define DEFAULT_EDITOR_TILESIZE         MINI_TILESIZE
1313 #define DEFAULT_EDITOR_TILESIZE_MM      TILESIZE
1314
1315
1316 // ----------------------------------------------------------------------------
1317 // some internally used data structure definitions
1318 // ----------------------------------------------------------------------------
1319
1320 static struct
1321 {
1322   int graphic;
1323   int gadget_id;
1324   struct XYTileSize *pos;
1325   int gadget_type;
1326   char *infotext;
1327   char shortcut;
1328 } controlbutton_info[ED_NUM_CTRL_BUTTONS] =
1329 {
1330   // note: some additional characters are already reserved for "cheat mode"
1331   // shortcuts (":XYZ" style) -- for details, see "events.c"
1332
1333   // ---------- toolbox control buttons ---------------------------------------
1334
1335   {
1336     IMG_GFX_EDITOR_BUTTON_DRAW_SINGLE,          GADGET_ID_SINGLE_ITEMS,
1337     &editor.button.draw_single,                 GD_TYPE_RADIO_BUTTON,
1338     "Draw single items",                        's'
1339   },
1340   {
1341     IMG_GFX_EDITOR_BUTTON_DRAW_CONNECTED,       GADGET_ID_CONNECTED_ITEMS,
1342     &editor.button.draw_connected,              GD_TYPE_RADIO_BUTTON,
1343     "Draw connected items",                     'd'
1344   },
1345   {
1346     IMG_GFX_EDITOR_BUTTON_DRAW_LINE,            GADGET_ID_LINE,
1347     &editor.button.draw_line,                   GD_TYPE_RADIO_BUTTON,
1348     "Draw lines",                               'l'
1349   },
1350   {
1351     IMG_GFX_EDITOR_BUTTON_DRAW_ARC,             GADGET_ID_ARC,
1352     &editor.button.draw_arc,                    GD_TYPE_RADIO_BUTTON,
1353     "Draw arcs",                                'a'
1354   },
1355   {
1356     IMG_GFX_EDITOR_BUTTON_DRAW_RECTANGLE,       GADGET_ID_RECTANGLE,
1357     &editor.button.draw_rectangle,              GD_TYPE_RADIO_BUTTON,
1358     "Draw outline rectangles",                  'r'
1359   },
1360   {
1361     IMG_GFX_EDITOR_BUTTON_DRAW_FILLED_BOX,      GADGET_ID_FILLED_BOX,
1362     &editor.button.draw_filled_box,             GD_TYPE_RADIO_BUTTON,
1363     "Draw filled rectangles",                   'R'
1364   },
1365   {
1366     IMG_GFX_EDITOR_BUTTON_ROTATE_UP,            GADGET_ID_WRAP_UP,
1367     &editor.button.rotate_up,                   GD_TYPE_NORMAL_BUTTON,
1368     "Wrap (rotate) level up",                   0
1369   },
1370   {
1371     IMG_GFX_EDITOR_BUTTON_DRAW_TEXT,            GADGET_ID_TEXT,
1372     &editor.button.draw_text,                   GD_TYPE_RADIO_BUTTON,
1373     "Enter text elements",                      't'
1374   },
1375   {
1376     IMG_GFX_EDITOR_BUTTON_FLOOD_FILL,           GADGET_ID_FLOOD_FILL,
1377     &editor.button.flood_fill,                  GD_TYPE_RADIO_BUTTON,
1378     "Flood fill",                               'f'
1379   },
1380   {
1381     IMG_GFX_EDITOR_BUTTON_ROTATE_LEFT,          GADGET_ID_WRAP_LEFT,
1382     &editor.button.rotate_left,                 GD_TYPE_NORMAL_BUTTON,
1383     "Wrap (rotate) level left",                 0
1384   },
1385   {
1386     IMG_GFX_EDITOR_BUTTON_ZOOM_LEVEL,           GADGET_ID_ZOOM,
1387     &editor.button.zoom_level,                  GD_TYPE_NORMAL_BUTTON,
1388     "Zoom level tile size",                     '+'
1389   },
1390   {
1391     IMG_GFX_EDITOR_BUTTON_ROTATE_RIGHT,         GADGET_ID_WRAP_RIGHT,
1392     &editor.button.rotate_right,                GD_TYPE_NORMAL_BUTTON,
1393     "Wrap (rotate) level right",                0
1394   },
1395   {
1396     IMG_GFX_EDITOR_BUTTON_DRAW_RANDOM,          GADGET_ID_RANDOM_PLACEMENT,
1397     &editor.button.draw_random,                 GD_TYPE_NORMAL_BUTTON,
1398     "Random element placement",                 0
1399   },
1400   {
1401     IMG_GFX_EDITOR_BUTTON_GRAB_BRUSH,           GADGET_ID_GRAB_BRUSH,
1402     &editor.button.grab_brush,                  GD_TYPE_RADIO_BUTTON,
1403     "Grab brush",                               'b'
1404   },
1405   {
1406     IMG_GFX_EDITOR_BUTTON_ROTATE_DOWN,          GADGET_ID_WRAP_DOWN,
1407     &editor.button.rotate_down,                 GD_TYPE_NORMAL_BUTTON,
1408     "Wrap (rotate) level down",                 0
1409   },
1410   {
1411     IMG_GFX_EDITOR_BUTTON_PICK_ELEMENT,         GADGET_ID_PICK_ELEMENT,
1412     &editor.button.pick_element,                GD_TYPE_RADIO_BUTTON,
1413     "Pick drawing element",                     ','
1414   },
1415
1416   // ---------- level control buttons -----------------------------------------
1417
1418   {
1419     IMG_GFX_EDITOR_BUTTON_UNDO,                 GADGET_ID_UNDO,
1420     &editor.button.undo,                        GD_TYPE_NORMAL_BUTTON,
1421     "Undo/redo last operation",                 'u'
1422   },
1423   {
1424     IMG_GFX_EDITOR_BUTTON_CONF,                 GADGET_ID_CONF,
1425     &editor.button.conf,                        GD_TYPE_NORMAL_BUTTON,
1426     "Level and editor settings",                'I'
1427   },
1428   {
1429     IMG_GFX_EDITOR_BUTTON_SAVE,                 GADGET_ID_SAVE,
1430     &editor.button.save,                        GD_TYPE_NORMAL_BUTTON,
1431     "Save level",                               'S'
1432   },
1433   {
1434     IMG_GFX_EDITOR_BUTTON_CLEAR,                GADGET_ID_CLEAR,
1435     &editor.button.clear,                       GD_TYPE_NORMAL_BUTTON,
1436     "Clear level",                              'C'
1437   },
1438   {
1439     IMG_GFX_EDITOR_BUTTON_TEST,                 GADGET_ID_TEST,
1440     &editor.button.test,                        GD_TYPE_NORMAL_BUTTON,
1441     "Test level",                               'T'
1442   },
1443   {
1444     IMG_GFX_EDITOR_BUTTON_EXIT,                 GADGET_ID_EXIT,
1445     &editor.button.exit,                        GD_TYPE_NORMAL_BUTTON,
1446     "Exit level editor",                        'E'
1447   },
1448
1449   // ---------- CE and GE control buttons -------------------------------------
1450
1451   {
1452     IMG_GFX_EDITOR_BUTTON_CE_COPY_FROM,         GADGET_ID_CUSTOM_COPY_FROM,
1453     &editor.button.ce_copy_from,                GD_TYPE_RADIO_BUTTON,
1454     "Copy settings from other element",         0
1455   },
1456   {
1457     IMG_GFX_EDITOR_BUTTON_CE_COPY_TO,           GADGET_ID_CUSTOM_COPY_TO,
1458     &editor.button.ce_copy_to,                  GD_TYPE_RADIO_BUTTON,
1459     "Copy settings to other element",           0
1460   },
1461   {
1462     IMG_GFX_EDITOR_BUTTON_CE_SWAP,              GADGET_ID_CUSTOM_EXCHANGE,
1463     &editor.button.ce_swap,                     GD_TYPE_RADIO_BUTTON,
1464     "Exchange element with other element",      0
1465   },
1466   {
1467     IMG_GFX_EDITOR_BUTTON_CE_COPY,              GADGET_ID_CUSTOM_COPY,
1468     &editor.button.ce_copy,                     GD_TYPE_NORMAL_BUTTON,
1469     "Copy settings from this element",          0
1470   },
1471   {
1472     IMG_GFX_EDITOR_BUTTON_CE_PASTE,             GADGET_ID_CUSTOM_PASTE,
1473     &editor.button.ce_paste,                    GD_TYPE_NORMAL_BUTTON,
1474     "Paste settings to this element",           0
1475   },
1476
1477   // ---------- palette control buttons ---------------------------------------
1478
1479   {
1480     IMG_GFX_EDITOR_BUTTON_PROPERTIES,           GADGET_ID_PROPERTIES,
1481     &editor.button.properties,                  GD_TYPE_NORMAL_BUTTON,
1482     "Properties of drawing element",            'p'
1483   },
1484   {
1485     IMG_GFX_EDITOR_BUTTON_ELEMENT_LEFT,         GADGET_ID_ELEMENT_LEFT,
1486     &editor.button.element_left,                GD_TYPE_NORMAL_BUTTON,
1487     "Properties of drawing element 1",          '1'
1488   },
1489   {
1490     IMG_GFX_EDITOR_BUTTON_ELEMENT_MIDDLE,       GADGET_ID_ELEMENT_MIDDLE,
1491     &editor.button.element_middle,              GD_TYPE_NORMAL_BUTTON,
1492     "Properties of drawing element 2",          '2'
1493   },
1494   {
1495     IMG_GFX_EDITOR_BUTTON_ELEMENT_RIGHT,        GADGET_ID_ELEMENT_RIGHT,
1496     &editor.button.element_right,               GD_TYPE_NORMAL_BUTTON,
1497     "Properties of drawing element 3",          '3'
1498   },
1499   {
1500     IMG_GFX_EDITOR_BUTTON_PALETTE,              GADGET_ID_PALETTE,
1501     &editor.button.palette,                     GD_TYPE_NORMAL_BUTTON,
1502     "Show list of elements",                    'e'
1503   }
1504 };
1505
1506 static int random_placement_value = 10;
1507 static int random_placement_method = RANDOM_USE_QUANTITY;
1508 static int random_placement_background_element = EL_SAND;
1509 static boolean random_placement_background_restricted = FALSE;
1510 static boolean stick_element_properties_window = FALSE;
1511 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
1512 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
1513 static struct ElementChangeInfo custom_element_change;
1514 static struct ElementGroupInfo group_element_info;
1515 static struct ElementInfo custom_element;
1516
1517 static char levelset_name[MAX_LEVEL_NAME_LEN + 1];
1518 static char levelset_author[MAX_LEVEL_AUTHOR_LEN + 1];
1519 static int levelset_num_levels = 100;
1520 static boolean levelset_use_levelset_artwork = FALSE;
1521 static boolean levelset_copy_level_template = FALSE;
1522 static int levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
1523
1524 static struct
1525 {
1526   int gadget_type_id;
1527   int x, y;
1528   int min_value, max_value;
1529   int gadget_id_down, gadget_id_up;
1530   int gadget_id_text;
1531   int gadget_id_align;
1532   int *value;
1533   char *text_above, *text_left, *text_right;
1534 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
1535 {
1536   // ---------- current level number ------------------------------------------
1537
1538   {
1539     ED_COUNTER_ID_SELECT_LEVEL,
1540     -1, -1,     // these values are not constant, but can change at runtime
1541     1,                                          100,
1542     GADGET_ID_SELECT_LEVEL_DOWN,                GADGET_ID_SELECT_LEVEL_UP,
1543     GADGET_ID_SELECT_LEVEL_TEXT,                GADGET_ID_NONE,
1544     &level_nr,
1545     NULL,                                       NULL, NULL
1546   },
1547
1548   // ---------- level and editor settings -------------------------------------
1549
1550   {
1551     ED_COUNTER_ID_LEVEL_XSIZE,
1552     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(4),
1553     MIN_LEV_FIELDX,                             MAX_LEV_FIELDX,
1554     GADGET_ID_LEVEL_XSIZE_DOWN,                 GADGET_ID_LEVEL_XSIZE_UP,
1555     GADGET_ID_LEVEL_XSIZE_TEXT,                 GADGET_ID_NONE,
1556     &level.fieldx,
1557     "Playfield size:",                          NULL, "Width",
1558   },
1559   {
1560     ED_COUNTER_ID_LEVEL_YSIZE,
1561     -1,                                         ED_LEVEL_SETTINGS_YPOS(4),
1562     MIN_LEV_FIELDY,                             MAX_LEV_FIELDY,
1563     GADGET_ID_LEVEL_YSIZE_DOWN,                 GADGET_ID_LEVEL_YSIZE_UP,
1564     GADGET_ID_LEVEL_YSIZE_TEXT,                 GADGET_ID_LEVEL_XSIZE_UP,
1565     &level.fieldy,
1566     NULL,                                       " ", "Height",
1567   },
1568   {
1569     ED_COUNTER_ID_LEVEL_GEMSLIMIT,
1570     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(5),
1571     0,                                          999,
1572     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,             GADGET_ID_LEVEL_GEMSLIMIT_UP,
1573     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,             GADGET_ID_NONE,
1574     &level.gems_needed,
1575     NULL,                                       "Number of gems to collect:", NULL
1576   },
1577   {
1578     ED_COUNTER_ID_LEVEL_TIMELIMIT,
1579     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(8),
1580     0,                                          9999,
1581     GADGET_ID_LEVEL_TIMELIMIT_DOWN,             GADGET_ID_LEVEL_TIMELIMIT_UP,
1582     GADGET_ID_LEVEL_TIMELIMIT_TEXT,             GADGET_ID_NONE,
1583     &level.time,
1584     "Time or step limit to solve level:",       NULL, NULL
1585   },
1586   {
1587     ED_COUNTER_ID_LEVEL_TIMESCORE,
1588     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(10),
1589     0,                                          999,
1590     GADGET_ID_LEVEL_TIMESCORE_DOWN,             GADGET_ID_LEVEL_TIMESCORE_UP,
1591     GADGET_ID_LEVEL_TIMESCORE_TEXT,             GADGET_ID_NONE,
1592     &level.score[SC_TIME_BONUS],
1593     "Score for time or steps left:",            NULL, NULL
1594   },
1595   {
1596     ED_COUNTER_ID_LEVEL_RANDOM_SEED,
1597     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(13),
1598     0,                                          9999,
1599     GADGET_ID_LEVEL_RANDOM_SEED_DOWN,           GADGET_ID_LEVEL_RANDOM_SEED_UP,
1600     GADGET_ID_LEVEL_RANDOM_SEED_TEXT,           GADGET_ID_NONE,
1601     &level.random_seed,
1602     NULL,                                       "Random seed:", "(0 => random)"
1603   },
1604   {
1605     ED_COUNTER_ID_LEVELSET_NUM_LEVELS,
1606     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(4),
1607     1,                                          MAX_LEVELS,
1608     GADGET_ID_LEVELSET_NUM_LEVELS_DOWN,         GADGET_ID_LEVELSET_NUM_LEVELS_UP,
1609     GADGET_ID_LEVELSET_NUM_LEVELS_TEXT,         GADGET_ID_NONE,
1610     &levelset_num_levels,
1611     "Number of levels:",                        NULL, NULL,
1612   },
1613   {
1614     ED_COUNTER_ID_LEVEL_RANDOM,
1615     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(0),
1616     1,                                          100,
1617     GADGET_ID_LEVEL_RANDOM_DOWN,                GADGET_ID_LEVEL_RANDOM_UP,
1618     GADGET_ID_LEVEL_RANDOM_TEXT,                GADGET_ID_NONE,
1619     &random_placement_value,
1620     "Random element placement:",                NULL, "in"
1621   },
1622   {
1623     ED_COUNTER_ID_BD_CYCLE_DELAY_MS,
1624     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(3),
1625     50,                                         500,
1626     GADGET_ID_BD_CYCLE_DELAY_MS_DOWN,           GADGET_ID_BD_CYCLE_DELAY_MS_UP,
1627     GADGET_ID_BD_CYCLE_DELAY_MS_TEXT,           GADGET_ID_NONE,
1628     &level.bd_cycle_delay_ms,
1629     NULL,                                       NULL, "Game cycle delay (ms)"
1630   },
1631   {
1632     ED_COUNTER_ID_BD_CYCLE_DELAY_C64,
1633     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(3),
1634     0,                                          32,
1635     GADGET_ID_BD_CYCLE_DELAY_C64_DOWN,          GADGET_ID_BD_CYCLE_DELAY_C64_UP,
1636     GADGET_ID_BD_CYCLE_DELAY_C64_TEXT,          GADGET_ID_NONE,
1637     &level.bd_cycle_delay_c64,
1638     NULL,                                       NULL, "Game cycle delay (C64-style)"
1639   },
1640   {
1641     ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES,
1642     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(4),
1643     1,                                          40,
1644     GADGET_ID_BD_HATCHING_DELAY_CYCLES_DOWN,    GADGET_ID_BD_HATCHING_DELAY_CYCLES_UP,
1645     GADGET_ID_BD_HATCHING_DELAY_CYCLES_TEXT,    GADGET_ID_NONE,
1646     &level.bd_hatching_delay_cycles,
1647     NULL,                                       NULL, "Hatching delay (cycles)"
1648   },
1649   {
1650     ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS,
1651     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(4),
1652     1,                                          40,
1653     GADGET_ID_BD_HATCHING_DELAY_SECONDS_DOWN,   GADGET_ID_BD_HATCHING_DELAY_SECONDS_UP,
1654     GADGET_ID_BD_HATCHING_DELAY_SECONDS_TEXT,   GADGET_ID_NONE,
1655     &level.bd_hatching_delay_seconds,
1656     NULL,                                       NULL, "Hatching delay (seconds)"
1657   },
1658   {
1659     ED_COUNTER_ID_BD_CREATURES_AUTO_TURN_DELAY,
1660     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(12),
1661     0,                                          999,
1662     GADGET_ID_BD_CREATURES_AUTO_TURN_DELAY_DOWN, GADGET_ID_BD_CREATURES_AUTO_TURN_DELAY_UP,
1663     GADGET_ID_BD_CREATURES_AUTO_TURN_DELAY_TEXT, GADGET_ID_NONE,
1664     &level.bd_creatures_auto_turn_delay,
1665     NULL,                                       NULL, "Creatures auto turn delay"
1666   },
1667
1668   // ---------- element settings: configure (various elements) ----------------
1669
1670   {
1671     ED_COUNTER_ID_BD_PUSHING_PROB,
1672     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
1673     0,                                          100,
1674     GADGET_ID_BD_PUSHING_PROB_DOWN,             GADGET_ID_BD_PUSHING_PROB_UP,
1675     GADGET_ID_BD_PUSHING_PROB_TEXT,             GADGET_ID_NONE,
1676     &level.bd_pushing_prob,
1677     NULL,                                       NULL, "Push probability"
1678   },
1679   {
1680     ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET,
1681     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
1682     0,                                          100,
1683     GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_DOWN,  GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_UP,
1684     GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_TEXT,  GADGET_ID_NONE,
1685     &level.bd_pushing_prob_with_sweet,
1686     NULL,                                       NULL, "Push probability with sweet"
1687   },
1688   {
1689     ED_COUNTER_ID_ELEMENT_VALUE1,
1690     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
1691     MIN_SCORE,                                  MAX_SCORE,
1692     GADGET_ID_ELEMENT_VALUE1_DOWN,              GADGET_ID_ELEMENT_VALUE1_UP,
1693     GADGET_ID_ELEMENT_VALUE1_TEXT,              GADGET_ID_NONE,
1694     NULL,                                       // will be set when used
1695     NULL,                                       NULL, NULL
1696   },
1697   {
1698     ED_COUNTER_ID_ELEMENT_VALUE2,
1699     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
1700     MIN_SCORE,                                  MAX_SCORE,
1701     GADGET_ID_ELEMENT_VALUE2_DOWN,              GADGET_ID_ELEMENT_VALUE2_UP,
1702     GADGET_ID_ELEMENT_VALUE2_TEXT,              GADGET_ID_NONE,
1703     NULL,                                       // will be set when used
1704     NULL,                                       NULL, NULL
1705   },
1706   {
1707     ED_COUNTER_ID_ELEMENT_VALUE3,
1708     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
1709     MIN_SCORE,                                  MAX_SCORE,
1710     GADGET_ID_ELEMENT_VALUE3_DOWN,              GADGET_ID_ELEMENT_VALUE3_UP,
1711     GADGET_ID_ELEMENT_VALUE3_TEXT,              GADGET_ID_NONE,
1712     NULL,                                       // will be set when used
1713     NULL,                                       NULL, NULL
1714   },
1715   {
1716     ED_COUNTER_ID_ELEMENT_VALUE4,
1717     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
1718     MIN_SCORE,                                  MAX_SCORE,
1719     GADGET_ID_ELEMENT_VALUE4_DOWN,              GADGET_ID_ELEMENT_VALUE4_UP,
1720     GADGET_ID_ELEMENT_VALUE4_TEXT,              GADGET_ID_NONE,
1721     NULL,                                       // will be set when used
1722     NULL,                                       NULL, NULL
1723   },
1724   {
1725     ED_COUNTER_ID_YAMYAM_CONTENT,
1726     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
1727     MIN_ELEMENT_CONTENTS,                       MAX_ELEMENT_CONTENTS,
1728     GADGET_ID_YAMYAM_CONTENT_DOWN,              GADGET_ID_YAMYAM_CONTENT_UP,
1729     GADGET_ID_YAMYAM_CONTENT_TEXT,              GADGET_ID_NONE,
1730     &level.num_yamyam_contents,
1731     NULL,                                       NULL, "Number of content areas"
1732   },
1733   {
1734     ED_COUNTER_ID_BALL_CONTENT,
1735     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
1736     MIN_ELEMENT_CONTENTS,                       MAX_ELEMENT_CONTENTS,
1737     GADGET_ID_BALL_CONTENT_DOWN,                GADGET_ID_BALL_CONTENT_UP,
1738     GADGET_ID_BALL_CONTENT_TEXT,                GADGET_ID_NONE,
1739     &level.num_ball_contents,
1740     NULL,                                       NULL, "Number of content areas"
1741   },
1742   {
1743     ED_COUNTER_ID_ANDROID_CONTENT,
1744     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
1745     MIN_ANDROID_ELEMENTS,                       MAX_ANDROID_ELEMENTS,
1746     GADGET_ID_ANDROID_CONTENT_DOWN,             GADGET_ID_ANDROID_CONTENT_UP,
1747     GADGET_ID_ANDROID_CONTENT_TEXT,             GADGET_ID_NONE,
1748     &level.num_android_clone_elements,
1749     NULL,                                       NULL, "Number of clonable elements"
1750   },
1751   {
1752     ED_COUNTER_ID_ENVELOPE_XSIZE,
1753     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
1754     MIN_ENVELOPE_XSIZE,                         MAX_ENVELOPE_XSIZE,
1755     GADGET_ID_ENVELOPE_XSIZE_DOWN,              GADGET_ID_ENVELOPE_XSIZE_UP,
1756     GADGET_ID_ENVELOPE_XSIZE_TEXT,              GADGET_ID_NONE,
1757     NULL,                                       // will be set when used
1758     NULL,                                       NULL, "Width",
1759   },
1760   {
1761     ED_COUNTER_ID_ENVELOPE_YSIZE,
1762     -1,                                         ED_ELEMENT_SETTINGS_YPOS(0),
1763     MIN_ENVELOPE_YSIZE,                         MAX_ENVELOPE_YSIZE,
1764     GADGET_ID_ENVELOPE_YSIZE_DOWN,              GADGET_ID_ENVELOPE_YSIZE_UP,
1765     GADGET_ID_ENVELOPE_YSIZE_TEXT,              GADGET_ID_ENVELOPE_XSIZE_UP,
1766     NULL,                                       // will be set when used
1767     NULL,                                       " ", "Height",
1768   },
1769   {
1770     ED_COUNTER_ID_INVENTORY_SIZE,
1771     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
1772     MIN_INITIAL_INVENTORY_SIZE,                 MAX_INITIAL_INVENTORY_SIZE,
1773     GADGET_ID_INVENTORY_SIZE_DOWN,              GADGET_ID_INVENTORY_SIZE_UP,
1774     GADGET_ID_INVENTORY_SIZE_TEXT,              GADGET_ID_NONE,
1775     &level.initial_inventory_size[0],
1776     NULL,                                       NULL, "Number of inventory elements"
1777   },
1778   {
1779     ED_COUNTER_ID_MM_BALL_CONTENT,
1780     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
1781     MIN_ELEMENTS_IN_GROUP,                      MAX_MM_BALL_CONTENTS,
1782     GADGET_ID_MM_BALL_CONTENT_DOWN,             GADGET_ID_MM_BALL_CONTENT_UP,
1783     GADGET_ID_MM_BALL_CONTENT_TEXT,             GADGET_ID_NONE,
1784     &level.num_mm_ball_contents,
1785     NULL,                                       NULL, "Number of content elements"
1786   },
1787
1788   // ---------- element settings: configure 1 (custom elements) ---------------
1789
1790   {
1791     ED_COUNTER_ID_CUSTOM_SCORE,
1792     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(5),
1793     MIN_SCORE,                                  MAX_SCORE,
1794     GADGET_ID_CUSTOM_SCORE_DOWN,                GADGET_ID_CUSTOM_SCORE_UP,
1795     GADGET_ID_CUSTOM_SCORE_TEXT,                GADGET_ID_NONE,
1796     &custom_element.collect_score_initial,
1797     NULL,                                       "CE score", " "
1798   },
1799   {
1800     ED_COUNTER_ID_CUSTOM_GEMCOUNT,
1801     -1,                                         ED_ELEMENT_SETTINGS_YPOS(5),
1802     MIN_COLLECT_COUNT,                          MAX_COLLECT_COUNT,
1803     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,             GADGET_ID_CUSTOM_GEMCOUNT_UP,
1804     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,             GADGET_ID_CUSTOM_SCORE_UP,
1805     &custom_element.collect_count_initial,
1806     NULL,                                       "CE count", NULL
1807   },
1808   {
1809     ED_COUNTER_ID_CUSTOM_VALUE_FIX,
1810     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(10),
1811     0,                                          9999,
1812     GADGET_ID_CUSTOM_VALUE_FIX_DOWN,            GADGET_ID_CUSTOM_VALUE_FIX_UP,
1813     GADGET_ID_CUSTOM_VALUE_FIX_TEXT,            GADGET_ID_NONE,
1814     &custom_element.ce_value_fixed_initial,
1815     NULL,                                       "CE value", NULL
1816   },
1817   {
1818     ED_COUNTER_ID_CUSTOM_VALUE_RND,
1819     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(10),
1820     0,                                          9999,
1821     GADGET_ID_CUSTOM_VALUE_RND_DOWN,            GADGET_ID_CUSTOM_VALUE_RND_UP,
1822     GADGET_ID_CUSTOM_VALUE_RND_TEXT,            GADGET_ID_CUSTOM_VALUE_FIX_UP,
1823     &custom_element.ce_value_random_initial,
1824     NULL,                                       "+random", NULL
1825   },
1826   {
1827     ED_COUNTER_ID_PUSH_DELAY_FIX,
1828     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(6),
1829     0,                                          999,
1830     GADGET_ID_PUSH_DELAY_FIX_DOWN,              GADGET_ID_PUSH_DELAY_FIX_UP,
1831     GADGET_ID_PUSH_DELAY_FIX_TEXT,              GADGET_ID_NONE,
1832     &custom_element.push_delay_fixed,
1833     NULL,                                       "Push delay", NULL
1834   },
1835   {
1836     ED_COUNTER_ID_PUSH_DELAY_RND,
1837     -1,                                         ED_ELEMENT_SETTINGS_YPOS(6),
1838     0,                                          999,
1839     GADGET_ID_PUSH_DELAY_RND_DOWN,              GADGET_ID_PUSH_DELAY_RND_UP,
1840     GADGET_ID_PUSH_DELAY_RND_TEXT,              GADGET_ID_PUSH_DELAY_FIX_UP,
1841     &custom_element.push_delay_random,
1842     NULL,                                       "+random", NULL
1843   },
1844   {
1845     ED_COUNTER_ID_DROP_DELAY_FIX,
1846     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(7),
1847     0,                                          999,
1848     GADGET_ID_DROP_DELAY_FIX_DOWN,              GADGET_ID_DROP_DELAY_FIX_UP,
1849     GADGET_ID_DROP_DELAY_FIX_TEXT,              GADGET_ID_NONE,
1850     &custom_element.drop_delay_fixed,
1851     NULL,                                       "Drop delay", NULL
1852   },
1853   {
1854     ED_COUNTER_ID_DROP_DELAY_RND,
1855     -1,                                         ED_ELEMENT_SETTINGS_YPOS(7),
1856     0,                                          999,
1857     GADGET_ID_DROP_DELAY_RND_DOWN,              GADGET_ID_DROP_DELAY_RND_UP,
1858     GADGET_ID_DROP_DELAY_RND_TEXT,              GADGET_ID_DROP_DELAY_FIX_UP,
1859     &custom_element.drop_delay_random,
1860     NULL,                                       "+random", NULL
1861   },
1862
1863   // ---------- element settings: configure 2 (custom elements) ---------------
1864
1865   {
1866     ED_COUNTER_ID_MOVE_DELAY_FIX,
1867     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(5),
1868     0,                                          999,
1869     GADGET_ID_MOVE_DELAY_FIX_DOWN,              GADGET_ID_MOVE_DELAY_FIX_UP,
1870     GADGET_ID_MOVE_DELAY_FIX_TEXT,              GADGET_ID_NONE,
1871     &custom_element.move_delay_fixed,
1872     NULL,                                       "Move delay", NULL
1873   },
1874   {
1875     ED_COUNTER_ID_MOVE_DELAY_RND,
1876     -1,                                         ED_ELEMENT_SETTINGS_YPOS(5),
1877     0,                                          999,
1878     GADGET_ID_MOVE_DELAY_RND_DOWN,              GADGET_ID_MOVE_DELAY_RND_UP,
1879     GADGET_ID_MOVE_DELAY_RND_TEXT,              GADGET_ID_MOVE_DELAY_FIX_UP,
1880     &custom_element.move_delay_random,
1881     NULL,                                       "+random", NULL
1882   },
1883   {
1884     ED_COUNTER_ID_STEP_DELAY_FIX,
1885     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(6),
1886     0,                                          999,
1887     GADGET_ID_STEP_DELAY_FIX_DOWN,              GADGET_ID_STEP_DELAY_FIX_UP,
1888     GADGET_ID_STEP_DELAY_FIX_TEXT,              GADGET_ID_NONE,
1889     &custom_element.step_delay_fixed,
1890     NULL,                                       "Step delay", NULL
1891   },
1892   {
1893     ED_COUNTER_ID_STEP_DELAY_RND,
1894     -1,                                         ED_ELEMENT_SETTINGS_YPOS(6),
1895     0,                                          999,
1896     GADGET_ID_STEP_DELAY_RND_DOWN,              GADGET_ID_STEP_DELAY_RND_UP,
1897     GADGET_ID_STEP_DELAY_RND_TEXT,              GADGET_ID_STEP_DELAY_FIX_UP,
1898     &custom_element.step_delay_random,
1899     NULL,                                       "+random", NULL
1900   },
1901   {
1902     ED_COUNTER_ID_EXPLOSION_DELAY,
1903     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(13),
1904     0,                                          999,
1905     GADGET_ID_EXPLOSION_DELAY_DOWN,             GADGET_ID_EXPLOSION_DELAY_UP,
1906     GADGET_ID_EXPLOSION_DELAY_TEXT,             GADGET_ID_NONE,
1907     &custom_element.explosion_delay,
1908     NULL,                                       "Explosion delay", NULL
1909   },
1910   {
1911     ED_COUNTER_ID_IGNITION_DELAY,
1912     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(14),
1913     0,                                          999,
1914     GADGET_ID_IGNITION_DELAY_DOWN,              GADGET_ID_IGNITION_DELAY_UP,
1915     GADGET_ID_IGNITION_DELAY_TEXT,              GADGET_ID_NONE,
1916     &custom_element.ignition_delay,
1917     NULL,                                       "Ignition delay", "(by fire)"
1918   },
1919
1920   // ---------- element settings: configure (group elements) ------------------
1921
1922   {
1923     ED_COUNTER_ID_GROUP_CONTENT,
1924     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
1925     MIN_ELEMENTS_IN_GROUP,                      MAX_ELEMENTS_IN_GROUP,
1926     GADGET_ID_GROUP_CONTENT_DOWN,               GADGET_ID_GROUP_CONTENT_UP,
1927     GADGET_ID_GROUP_CONTENT_TEXT,               GADGET_ID_NONE,
1928     &group_element_info.num_elements,
1929     NULL,                                       NULL, "Number of elements in group"
1930   },
1931
1932   // ---------- element settings: advanced (custom elements) ------------------
1933
1934   {
1935     ED_COUNTER_ID_CHANGE_DELAY_FIX,
1936     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(2),
1937     0,                                          999,
1938     GADGET_ID_CHANGE_DELAY_FIX_DOWN,            GADGET_ID_CHANGE_DELAY_FIX_UP,
1939     GADGET_ID_CHANGE_DELAY_FIX_TEXT,            GADGET_ID_NONE,
1940     &custom_element_change.delay_fixed,
1941     NULL,                                       "CE delay", NULL,
1942   },
1943   {
1944     ED_COUNTER_ID_CHANGE_DELAY_RND,
1945     -1,                                         ED_ELEMENT_SETTINGS_YPOS(2),
1946     0,                                          999,
1947     GADGET_ID_CHANGE_DELAY_RND_DOWN,            GADGET_ID_CHANGE_DELAY_RND_UP,
1948     GADGET_ID_CHANGE_DELAY_RND_TEXT,            GADGET_ID_CHANGE_DELAY_FIX_UP,
1949     &custom_element_change.delay_random,
1950     NULL,                                       "+random", NULL
1951   },
1952   {
1953     ED_COUNTER_ID_CHANGE_CONT_RND,
1954     ED_ELEMENT_SETTINGS_XPOS(3),                ED_ELEMENT_SETTINGS_YPOS(12),
1955     0,                                          100,
1956     GADGET_ID_CHANGE_CONT_RND_DOWN,             GADGET_ID_CHANGE_CONT_RND_UP,
1957     GADGET_ID_CHANGE_CONT_RND_TEXT,             GADGET_ID_NONE,
1958     &custom_element_change.random_percentage,
1959     NULL,                                       "Use random replace:", "%"
1960   },
1961 };
1962
1963 static struct
1964 {
1965   int gadget_type_id;
1966   int x, y;
1967   int gadget_id;
1968   int size;
1969   char *value;
1970   char *text_above, *infotext;
1971 } textinput_info[ED_NUM_TEXTINPUT] =
1972 {
1973   {
1974     ED_TEXTINPUT_ID_LEVEL_NAME,
1975     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(0),
1976     GADGET_ID_LEVEL_NAME,
1977     MAX_LEVEL_NAME_LEN,
1978     level.name,
1979     "Title:", "Title for this level"
1980   },
1981   {
1982     ED_TEXTINPUT_ID_LEVEL_AUTHOR,
1983     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(2),
1984     GADGET_ID_LEVEL_AUTHOR,
1985     MAX_LEVEL_AUTHOR_LEN,
1986     level.author,
1987     "Author:", "Author for this level"
1988   },
1989   {
1990     ED_TEXTINPUT_ID_LEVELSET_NAME,
1991     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(0),
1992     GADGET_ID_LEVELSET_NAME,
1993     MAX_LEVEL_NAME_LEN,
1994     levelset_name,
1995     "Title:", "Title for this or new level set"
1996   },
1997   {
1998     ED_TEXTINPUT_ID_LEVELSET_AUTHOR,
1999     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(2),
2000     GADGET_ID_LEVELSET_AUTHOR,
2001     MAX_LEVEL_AUTHOR_LEN,
2002     levelset_author,
2003     "Author:", "Author for this or new level set"
2004   },
2005   {
2006     ED_TEXTINPUT_ID_ELEMENT_NAME,
2007     -1, -1,     // these values are not constant, but can change at runtime
2008     GADGET_ID_ELEMENT_NAME,
2009     MAX_ELEMENT_NAME_LEN - 2,                   // currently 2 chars less editable
2010     custom_element.description,
2011     NULL, "Element name"
2012   }
2013 };
2014
2015 static struct
2016 {
2017   int gadget_type_id;
2018   int x, y;
2019   int gadget_id;
2020   int xsize, ysize;
2021   char *value;
2022   char *text_above, *text_above_cropped, *infotext;
2023 } textarea_info[ED_NUM_TEXTAREAS] =
2024 {
2025   {
2026     ED_TEXTAREA_ID_ENVELOPE_INFO,
2027     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
2028     GADGET_ID_ENVELOPE_INFO,
2029     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
2030     NULL,
2031     "Envelope Content:", "Envelope Content (cropped):", "Envelope Content"
2032   }
2033 };
2034
2035 static struct ValueTextInfo options_time_or_steps[] =
2036 {
2037   { 0,                                  "seconds"                       },
2038   { 1,                                  "steps"                         },
2039
2040   { -1,                                 NULL                            }
2041 };
2042
2043 static struct ValueTextInfo options_time_score_base[] =
2044 {
2045   { 1,                                  "per second/step"               },
2046   { 10,                                 "per 10 seconds/steps"          },
2047
2048   { -1,                                 NULL                            }
2049 };
2050
2051 static struct ValueTextInfo options_game_engine_type[] =
2052 {
2053   { GAME_ENGINE_TYPE_RND,               "Rocks'n'Diamonds"              },
2054   { GAME_ENGINE_TYPE_BD,                "Boulder Dash"                  },
2055   { GAME_ENGINE_TYPE_EM,                "Emerald Mine"                  },
2056   { GAME_ENGINE_TYPE_SP,                "Supaplex"                      },
2057   { GAME_ENGINE_TYPE_MM,                "Mirror Magic"                  },
2058
2059   { -1,                                 NULL                            }
2060 };
2061
2062 static struct ValueTextInfo options_levelset_save_mode[] =
2063 {
2064   { LEVELSET_SAVE_MODE_UPDATE,          "Update this level set"         },
2065   { LEVELSET_SAVE_MODE_CREATE,          "Create new level set"          },
2066
2067   { -1,                                 NULL                            }
2068 };
2069
2070 static struct ValueTextInfo options_wind_direction[] =
2071 {
2072   { MV_START_NONE,                      "none"                          },
2073   { MV_START_LEFT,                      "left"                          },
2074   { MV_START_RIGHT,                     "right"                         },
2075   { MV_START_UP,                        "up"                            },
2076   { MV_START_DOWN,                      "down"                          },
2077
2078   { -1,                                 NULL                            }
2079 };
2080
2081 static struct ValueTextInfo options_player_speed[] =
2082 {
2083   { 0,                                  "frozen"                        },
2084   { 1,                                  "very slow"                     },
2085   { 2,                                  "slow"                          },
2086   { 4,                                  "normal"                        },
2087   { 8,                                  "fast"                          },
2088   { 16,                                 "very fast"                     },
2089   { 32,                                 "ultrafast"                     },
2090
2091   { -1,                                 NULL                            }
2092 };
2093
2094 static struct ValueTextInfo options_access_type[] =
2095 {
2096   { EP_WALKABLE,                        "walkable"                      },
2097   { EP_PASSABLE,                        "passable"                      },
2098
2099   { -1,                                 NULL                            }
2100 };
2101
2102 static struct ValueTextInfo options_access_layer[] =
2103 {
2104   { EP_ACCESSIBLE_OVER,                 "over"                          },
2105   { EP_ACCESSIBLE_INSIDE,               "inside"                        },
2106   { EP_ACCESSIBLE_UNDER,                "under"                         },
2107
2108   { -1,                                 NULL                            }
2109 };
2110
2111 static struct ValueTextInfo options_access_protected[] =
2112 {
2113   { 0,                                  "unprotected"                   },
2114   { 1,                                  "protected"                     },
2115
2116   { -1,                                 NULL                            }
2117 };
2118
2119 static struct ValueTextInfo options_access_direction[] =
2120 {
2121   { MV_NO_DIRECTION,                    "no direction"                  },
2122   { MV_LEFT,                            "left"                          },
2123   { MV_RIGHT,                           "right"                         },
2124   { MV_UP,                              "up"                            },
2125   { MV_DOWN,                            "down"                          },
2126   { MV_LEFT  | MV_UP,                   "left + up"                     },
2127   { MV_LEFT  | MV_DOWN,                 "left + down"                   },
2128   { MV_RIGHT | MV_UP,                   "right + up"                    },
2129   { MV_RIGHT | MV_DOWN,                 "right + down"                  },
2130   { MV_HORIZONTAL,                      "horizontal"                    },
2131   { MV_VERTICAL,                        "vertical"                      },
2132   { MV_HORIZONTAL | MV_UP,              "horizontal + up"               },
2133   { MV_HORIZONTAL | MV_DOWN,            "horizontal + down"             },
2134   { MV_VERTICAL   | MV_LEFT,            "vertical + left"               },
2135   { MV_VERTICAL   | MV_RIGHT,           "vertical + right"              },
2136   { MV_ALL_DIRECTIONS,                  "all directions"                },
2137
2138   { -1,                                 NULL                            }
2139 };
2140
2141 static struct ValueTextInfo options_walk_to_action[] =
2142 {
2143   { EP_DIGGABLE,                        "diggable"                      },
2144   { EP_COLLECTIBLE_ONLY,                "collectible"                   },
2145   { EP_DROPPABLE,                       "collectible & droppable"       },
2146   { EP_THROWABLE,                       "collectible & throwable"       },
2147   { EP_PUSHABLE,                        "pushable"                      },
2148
2149   { -1,                                 NULL                            }
2150 };
2151
2152 static struct ValueTextInfo options_move_pattern[] =
2153 {
2154   { MV_LEFT,                            "left"                          },
2155   { MV_RIGHT,                           "right"                         },
2156   { MV_UP,                              "up"                            },
2157   { MV_DOWN,                            "down"                          },
2158   { MV_HORIZONTAL,                      "horizontal"                    },
2159   { MV_VERTICAL,                        "vertical"                      },
2160   { MV_ALL_DIRECTIONS,                  "all directions"                },
2161   { MV_WIND_DIRECTION,                  "wind direction"                },
2162   { MV_TOWARDS_PLAYER,                  "towards player"                },
2163   { MV_AWAY_FROM_PLAYER,                "away from player"              },
2164   { MV_ALONG_LEFT_SIDE,                 "along left side"               },
2165   { MV_ALONG_RIGHT_SIDE,                "along right side"              },
2166   { MV_TURNING_LEFT,                    "turning left"                  },
2167   { MV_TURNING_RIGHT,                   "turning right"                 },
2168   { MV_TURNING_LEFT_RIGHT,              "turning left, right"           },
2169   { MV_TURNING_RIGHT_LEFT,              "turning right, left"           },
2170   { MV_TURNING_RANDOM,                  "turning random"                },
2171   { MV_MAZE_RUNNER,                     "maze runner style"             },
2172   { MV_MAZE_HUNTER,                     "maze hunter style"             },
2173   { MV_WHEN_PUSHED,                     "when pushed"                   },
2174   { MV_WHEN_DROPPED,                    "when dropped/thrown"           },
2175
2176   { -1,                                 NULL                            }
2177 };
2178
2179 static struct ValueTextInfo options_move_direction[] =
2180 {
2181   { MV_START_AUTOMATIC,                 "automatic"                     },
2182   { MV_START_LEFT,                      "left"                          },
2183   { MV_START_RIGHT,                     "right"                         },
2184   { MV_START_UP,                        "up"                            },
2185   { MV_START_DOWN,                      "down"                          },
2186   { MV_START_RANDOM,                    "random"                        },
2187   { MV_START_PREVIOUS,                  "previous"                      },
2188
2189   { -1,                                 NULL                            }
2190 };
2191
2192 static struct ValueTextInfo options_move_stepsize[] =
2193 {
2194   { 0,                                  "not moving"                    },
2195   { 1,                                  "very slow"                     },
2196   { 2,                                  "slow"                          },
2197   { 4,                                  "normal"                        },
2198   { 8,                                  "fast"                          },
2199   { 16,                                 "very fast"                     },
2200   { 32,                                 "even faster"                   },
2201
2202   { -1,                                 NULL                            }
2203 };
2204
2205 static struct ValueTextInfo options_move_leave_type[] =
2206 {
2207   { LEAVE_TYPE_UNLIMITED,               "leave behind"                  },
2208   { LEAVE_TYPE_LIMITED,                 "change it to"                  },
2209
2210   { -1,                                 NULL                            }
2211 };
2212
2213 static struct ValueTextInfo options_smash_targets[] =
2214 {
2215   { EP_CAN_SMASH_PLAYER,                "player"                        },
2216 #if 0
2217   { EP_CAN_SMASH_ENEMIES,               "enemies"                       },
2218 #endif
2219   { EP_CAN_SMASH_EVERYTHING,            "everything"                    },
2220
2221   { -1,                                 NULL                            }
2222 };
2223
2224 static struct ValueTextInfo options_slippery_type[] =
2225 {
2226   { SLIPPERY_ANY_RANDOM,                "random"                        },
2227   { SLIPPERY_ANY_LEFT_RIGHT,            "left, right"                   },
2228   { SLIPPERY_ANY_RIGHT_LEFT,            "right, left"                   },
2229   { SLIPPERY_ONLY_LEFT,                 "only left"                     },
2230   { SLIPPERY_ONLY_RIGHT,                "only right"                    },
2231
2232   { -1,                                 NULL                            }
2233 };
2234
2235 static struct ValueTextInfo options_deadliness[] =
2236 {
2237   { EP_DONT_RUN_INTO,                   "running into"                  },
2238   { EP_DONT_COLLIDE_WITH,               "colliding with"                },
2239   { EP_DONT_GET_HIT_BY,                 "getting hit by"                },
2240   { EP_DONT_TOUCH,                      "touching"                      },
2241
2242   { -1,                                 NULL                            }
2243 };
2244
2245 static struct ValueTextInfo options_explosion_type[] =
2246 {
2247   { EXPLODES_3X3,                       "3x3"                           },
2248   { EXPLODES_CROSS,                     "3+3"                           },
2249   { EXPLODES_1X1,                       "1x1"                           },
2250
2251   { -1,                                 NULL                            }
2252 };
2253
2254 static struct ValueTextInfo options_time_units[] =
2255 {
2256   { 1,                                  "frames"                        },
2257   { FRAMES_PER_SECOND,                  "seconds"                       },
2258
2259   { -1,                                 NULL                            }
2260 };
2261
2262 static struct ValueTextInfo options_change_direct_action[] =
2263 {
2264   { CE_TOUCHED_BY_PLAYER,               "touched by player"             },
2265   { CE_PRESSED_BY_PLAYER,               "pressed by player"             },
2266   { CE_SWITCHED_BY_PLAYER,              "switched by player"            },
2267   { CE_SNAPPED_BY_PLAYER,               "snapped by player"             },
2268   { CE_PUSHED_BY_PLAYER,                "pushed by player"              },
2269   { CE_ENTERED_BY_PLAYER,               "entered by player"             },
2270   { CE_LEFT_BY_PLAYER,                  "left by player"                },
2271   { CE_DROPPED_BY_PLAYER,               "dropped/thrown by player"      },
2272   { CE_SWITCHED,                        "switched"                      },
2273   { CE_HITTING_SOMETHING,               "hitting something"             },
2274   { CE_HIT_BY_SOMETHING,                "hit by something"              },
2275 #if 0
2276   { CE_BLOCKED,                         "blocked"                       },
2277 #endif
2278   { CE_IMPACT,                          "impact (on something)"         },
2279   { CE_SMASHED,                         "smashed (from above)"          },
2280 #if 0
2281   { CE_VALUE_CHANGES,                   "CE value changes"              },
2282   { CE_SCORE_CHANGES,                   "CE score changes"              },
2283 #endif
2284   { CE_VALUE_GETS_ZERO,                 "CE value gets 0"               },
2285   { CE_SCORE_GETS_ZERO,                 "CE score gets 0"               },
2286   { CE_UNDEFINED,                       " "                             },
2287   { CE_HEADLINE_SPECIAL_EVENTS,         "[mouse events]"                },
2288   { CE_CLICKED_BY_MOUSE,                "clicked by mouse"              },
2289   { CE_PRESSED_BY_MOUSE,                "pressed by mouse"              },
2290   { CE_UNDEFINED,                       " "                             },
2291   { CE_HEADLINE_SPECIAL_EVENTS,         "[static states]"               },
2292   { CE_NEXT_TO_PLAYER,                  "next to player"                },
2293
2294   { -1,                                 NULL                            }
2295 };
2296
2297 static struct ValueTextInfo options_change_other_action[] =
2298 {
2299   { CE_PLAYER_TOUCHES_X,                "player touches"                },
2300   { CE_PLAYER_PRESSES_X,                "player presses"                },
2301   { CE_PLAYER_SWITCHES_X,               "player switches"               },
2302   { CE_PLAYER_SNAPS_X,                  "player snaps"                  },
2303   { CE_PLAYER_PUSHES_X,                 "player pushes"                 },
2304   { CE_PLAYER_ENTERS_X,                 "player enters"                 },
2305   { CE_PLAYER_LEAVES_X,                 "player leaves"                 },
2306   { CE_PLAYER_DIGS_X,                   "player digs"                   },
2307   { CE_PLAYER_COLLECTS_X,               "player collects"               },
2308   { CE_PLAYER_DROPS_X,                  "player drops/throws"           },
2309   { CE_TOUCHING_X,                      "touching"                      },
2310   { CE_HITTING_X,                       "hitting"                       },
2311   { CE_DIGGING_X,                       "digging"                       },
2312   { CE_HIT_BY_X,                        "hit by"                        },
2313   { CE_SWITCH_OF_X,                     "switch of"                     },
2314   { CE_CHANGE_OF_X,                     "change by page of"             },
2315   { CE_EXPLOSION_OF_X,                  "explosion of"                  },
2316   { CE_MOVE_OF_X,                       "move of"                       },
2317   { CE_CREATION_OF_X,                   "creation of"                   },
2318   { CE_VALUE_CHANGES_OF_X,              "CE value changes of"           },
2319   { CE_SCORE_CHANGES_OF_X,              "CE score changes of"           },
2320   { CE_VALUE_GETS_ZERO_OF_X,            "CE value gets 0 of"            },
2321   { CE_SCORE_GETS_ZERO_OF_X,            "CE score gets 0 of"            },
2322   { CE_UNDEFINED,                       " "                             },
2323   { CE_HEADLINE_SPECIAL_EVENTS,         "[mouse events]"                },
2324   { CE_MOUSE_CLICKED_ON_X,              "mouse clicked on"              },
2325   { CE_MOUSE_PRESSED_ON_X,              "mouse pressed on"              },
2326   { CE_UNDEFINED,                       " "                             },
2327   { CE_HEADLINE_SPECIAL_EVENTS,         "[static states]"               },
2328   { CE_PLAYER_NEXT_TO_X,                "player next to"                },
2329   { CE_NEXT_TO_X,                       "next to"                       },
2330
2331   { -1,                                 NULL                            }
2332 };
2333
2334 static struct ValueTextInfo options_change_trigger_side[] =
2335 {
2336   { CH_SIDE_LEFT,                       "left"                          },
2337   { CH_SIDE_RIGHT,                      "right"                         },
2338   { CH_SIDE_TOP,                        "top"                           },
2339   { CH_SIDE_BOTTOM,                     "bottom"                        },
2340   { CH_SIDE_LEFT_RIGHT,                 "left/right"                    },
2341   { CH_SIDE_TOP_BOTTOM,                 "top/bottom"                    },
2342   { CH_SIDE_ANY,                        "any"                           },
2343
2344   { -1,                                 NULL                            }
2345 };
2346
2347 static struct ValueTextInfo options_change_trigger_player[] =
2348 {
2349   { CH_PLAYER_1,                        "1"                             },
2350   { CH_PLAYER_2,                        "2"                             },
2351   { CH_PLAYER_3,                        "3"                             },
2352   { CH_PLAYER_4,                        "4"                             },
2353   { CH_PLAYER_ANY,                      "any"                           },
2354
2355   { -1,                                 NULL                            }
2356 };
2357
2358 static struct ValueTextInfo options_change_trigger_page[] =
2359 {
2360   { (1u << 0),                          "1"                             },
2361   { (1u << 1),                          "2"                             },
2362   { (1u << 2),                          "3"                             },
2363   { (1u << 3),                          "4"                             },
2364   { (1u << 4),                          "5"                             },
2365   { (1u << 5),                          "6"                             },
2366   { (1u << 6),                          "7"                             },
2367   { (1u << 7),                          "8"                             },
2368   { (1u << 8),                          "9"                             },
2369   { (1u << 9),                          "10"                            },
2370   { (1u << 10),                         "11"                            },
2371   { (1u << 11),                         "12"                            },
2372   { (1u << 12),                         "13"                            },
2373   { (1u << 13),                         "14"                            },
2374   { (1u << 14),                         "15"                            },
2375   { (1u << 15),                         "16"                            },
2376   { (1u << 16),                         "17"                            },
2377   { (1u << 17),                         "18"                            },
2378   { (1u << 18),                         "19"                            },
2379   { (1u << 19),                         "20"                            },
2380   { (1u << 20),                         "21"                            },
2381   { (1u << 21),                         "22"                            },
2382   { (1u << 22),                         "23"                            },
2383   { (1u << 23),                         "24"                            },
2384   { (1u << 24),                         "25"                            },
2385   { (1u << 25),                         "26"                            },
2386   { (1u << 26),                         "27"                            },
2387   { (1u << 27),                         "28"                            },
2388   { (1u << 28),                         "29"                            },
2389   { (1u << 29),                         "30"                            },
2390   { (1u << 30),                         "31"                            },
2391   { (1u << 31),                         "32"                            },
2392   { CH_PAGE_ANY,                        "any"                           },
2393
2394   { -1,                                 NULL                            }
2395 };
2396
2397 static struct ValueTextInfo options_change_replace_when[] =
2398 {
2399   { CP_WHEN_EMPTY,                      "empty"                         },
2400   { CP_WHEN_WALKABLE,                   "walkable"                      },
2401   { CP_WHEN_DIGGABLE,                   "diggable"                      },
2402   { CP_WHEN_COLLECTIBLE,                "collectible"                   },
2403   { CP_WHEN_REMOVABLE,                  "removable"                     },
2404   { CP_WHEN_DESTRUCTIBLE,               "destructible"                  },
2405
2406   { -1,                                 NULL                            }
2407 };
2408
2409 static struct ValueTextInfo options_action_type[] =
2410 {
2411   { CA_NO_ACTION,                       "no action"                     },
2412   { CA_UNDEFINED,                       " "                             },
2413   { CA_HEADLINE_LEVEL_ACTIONS,          "[level]"                       },
2414   { CA_RESTART_LEVEL,                   "restart level"                 },
2415   { CA_SHOW_ENVELOPE,                   "show envelope"                 },
2416   { CA_SET_LEVEL_TIME,                  "set time"                      },
2417   { CA_SET_LEVEL_SCORE,                 "set score"                     },
2418   { CA_SET_LEVEL_GEMS,                  "set gems"                      },
2419   { CA_SET_LEVEL_WIND,                  "set wind dir."                 },
2420   { CA_SET_LEVEL_RANDOM_SEED,           "set random seed"               },
2421   { CA_UNDEFINED,                       " "                             },
2422   { CA_HEADLINE_PLAYER_ACTIONS,         "[player]"                      },
2423   { CA_MOVE_PLAYER,                     "move player"                   },
2424   { CA_MOVE_PLAYER_NEW,                 "move player new"               },
2425   { CA_EXIT_PLAYER,                     "exit player"                   },
2426   { CA_KILL_PLAYER,                     "kill player"                   },
2427   { CA_SET_PLAYER_KEYS,                 "set keys"                      },
2428   { CA_SET_PLAYER_SPEED,                "set speed"                     },
2429   { CA_SET_PLAYER_SHIELD,               "set shield"                    },
2430   { CA_SET_PLAYER_GRAVITY,              "set gravity"                   },
2431   { CA_SET_PLAYER_ARTWORK,              "set artwork"                   },
2432   { CA_SET_PLAYER_INVENTORY,            "set inventory"                 },
2433   { CA_UNDEFINED,                       " "                             },
2434   { CA_HEADLINE_CE_ACTIONS,             "[CE]"                          },
2435   { CA_SET_CE_VALUE,                    "set CE value"                  },
2436   { CA_SET_CE_SCORE,                    "set CE score"                  },
2437   { CA_SET_CE_ARTWORK,                  "set CE artwork"                },
2438   { CA_UNDEFINED,                       " "                             },
2439   { CA_HEADLINE_ENGINE_ACTIONS,         "[engine]"                      },
2440   { CA_SET_ENGINE_SCAN_MODE,            "set scan mode"                 },
2441
2442   { -1,                                 NULL                            }
2443 };
2444
2445 static struct ValueTextInfo options_action_mode_none[] =
2446 {
2447   { CA_MODE_UNDEFINED,                  " "                             },
2448
2449   { -1,                                 NULL                            }
2450 };
2451
2452 static struct ValueTextInfo options_action_mode_assign[] =
2453 {
2454   { CA_MODE_SET,                        "="                             },
2455
2456   { -1,                                 NULL                            }
2457 };
2458
2459 static struct ValueTextInfo options_action_mode_add_remove[] =
2460 {
2461   { CA_MODE_ADD,                        "+"                             },
2462   { CA_MODE_SUBTRACT,                   "-"                             },
2463
2464   { -1,                                 NULL                            }
2465 };
2466
2467 static struct ValueTextInfo options_action_mode_calculate[] =
2468 {
2469   { CA_MODE_SET,                        "="                             },
2470   { CA_MODE_ADD,                        "+"                             },
2471   { CA_MODE_SUBTRACT,                   "-"                             },
2472   { CA_MODE_MULTIPLY,                   "*"                             },
2473   { CA_MODE_DIVIDE,                     "/"                             },
2474   { CA_MODE_MODULO,                     "%"                             },
2475
2476   { -1,                                 NULL                            }
2477 };
2478
2479 static struct ValueTextInfo options_action_arg_none[] =
2480 {
2481   { CA_ARG_UNDEFINED,                   "         "                     },
2482
2483   { -1,                                 NULL                            }
2484 };
2485
2486 static struct ValueTextInfo options_action_arg_player[] =
2487 {
2488   { CA_ARG_PLAYER_HEADLINE,             "[player]"                      },
2489   { CA_ARG_PLAYER_1,                    "1"                             },
2490   { CA_ARG_PLAYER_2,                    "2"                             },
2491   { CA_ARG_PLAYER_3,                    "3"                             },
2492   { CA_ARG_PLAYER_4,                    "4"                             },
2493   { CA_ARG_PLAYER_ANY,                  "any"                           },
2494   { CA_ARG_PLAYER_TRIGGER,              "trigger"                       },
2495   { CA_ARG_PLAYER_ACTION,               "action ->"                     },
2496
2497   { -1,                                 NULL                            }
2498 };
2499
2500 static struct ValueTextInfo options_action_arg_number[] =
2501 {
2502   { CA_ARG_NUMBER_HEADLINE,             "[number]"                      },
2503   { CA_ARG_0,                           "0"                             },
2504   { CA_ARG_1,                           "1"                             },
2505   { CA_ARG_2,                           "2"                             },
2506   { CA_ARG_3,                           "3"                             },
2507   { CA_ARG_4,                           "4"                             },
2508   { CA_ARG_5,                           "5"                             },
2509   { CA_ARG_10,                          "10"                            },
2510   { CA_ARG_100,                         "100"                           },
2511   { CA_ARG_1000,                        "1000"                          },
2512   { CA_ARG_UNDEFINED,                   " "                             },
2513   { CA_ARG_NUMBER_MIN,                  "min"                           },
2514   { CA_ARG_NUMBER_MAX,                  "max"                           },
2515   { CA_ARG_UNDEFINED,                   " "                             },
2516   { CA_ARG_NUMBER_RESET,                "reset"                         },
2517   { CA_ARG_UNDEFINED,                   " "                             },
2518   { CA_ARG_NUMBER_CE_VALUE,             "CE value"                      },
2519   { CA_ARG_NUMBER_CE_SCORE,             "CE score"                      },
2520   { CA_ARG_NUMBER_CE_DELAY,             "CE delay"                      },
2521   { CA_ARG_UNDEFINED,                   " "                             },
2522   { CA_ARG_NUMBER_LEVEL_TIME,           "time"                          },
2523   { CA_ARG_NUMBER_LEVEL_GEMS,           "gems"                          },
2524   { CA_ARG_NUMBER_LEVEL_SCORE,          "score"                         },
2525   { CA_ARG_UNDEFINED,                   " "                             },
2526   { CA_ARG_ELEMENT_CV_HEADLINE,         "[CE value]"                    },
2527   { CA_ARG_ELEMENT_CV_TARGET,           "target"                        },
2528   { CA_ARG_ELEMENT_CV_TRIGGER,          "trigger"                       },
2529   { CA_ARG_ELEMENT_CV_ACTION,           "action ->"                     },
2530   { CA_ARG_UNDEFINED,                   " "                             },
2531   { CA_ARG_ELEMENT_CS_HEADLINE,         "[CE score]"                    },
2532   { CA_ARG_ELEMENT_CS_TARGET,           "target"                        },
2533   { CA_ARG_ELEMENT_CS_TRIGGER,          "trigger"                       },
2534   { CA_ARG_ELEMENT_CS_ACTION,           "action ->"                     },
2535
2536   { -1,                                 NULL                            }
2537 };
2538
2539 static struct ValueTextInfo options_action_arg_value[] =
2540 {
2541   { CA_ARG_NUMBER_HEADLINE,             "[number]"                      },
2542   { CA_ARG_0,                           "0"                             },
2543   { CA_ARG_1,                           "1"                             },
2544   { CA_ARG_2,                           "2"                             },
2545   { CA_ARG_3,                           "3"                             },
2546   { CA_ARG_4,                           "4"                             },
2547   { CA_ARG_5,                           "5"                             },
2548   { CA_ARG_10,                          "10"                            },
2549   { CA_ARG_100,                         "100"                           },
2550   { CA_ARG_1000,                        "1000"                          },
2551   { CA_ARG_UNDEFINED,                   " "                             },
2552   { CA_ARG_NUMBER_MIN,                  "min"                           },
2553   { CA_ARG_NUMBER_MAX,                  "max"                           },
2554   { CA_ARG_UNDEFINED,                   " "                             },
2555   { CA_ARG_NUMBER_RESET,                "reset"                         },
2556   { CA_ARG_UNDEFINED,                   " "                             },
2557   { CA_ARG_NUMBER_CE_VALUE,             "CE value"                      },
2558   { CA_ARG_NUMBER_CE_SCORE,             "CE score"                      },
2559   { CA_ARG_NUMBER_CE_DELAY,             "CE delay"                      },
2560   { CA_ARG_UNDEFINED,                   " "                             },
2561   { CA_ARG_NUMBER_LEVEL_TIME,           "time"                          },
2562   { CA_ARG_NUMBER_LEVEL_GEMS,           "gems"                          },
2563   { CA_ARG_NUMBER_LEVEL_SCORE,          "score"                         },
2564   { CA_ARG_UNDEFINED,                   " "                             },
2565   { CA_ARG_ELEMENT_CV_HEADLINE,         "[CE value]"                    },
2566   { CA_ARG_ELEMENT_CV_TARGET,           "target"                        },
2567   { CA_ARG_ELEMENT_CV_TRIGGER,          "trigger"                       },
2568   { CA_ARG_ELEMENT_CV_ACTION,           "action ->"                     },
2569   { CA_ARG_UNDEFINED,                   " "                             },
2570   { CA_ARG_ELEMENT_CS_HEADLINE,         "[CE score]"                    },
2571   { CA_ARG_ELEMENT_CS_TARGET,           "target"                        },
2572   { CA_ARG_ELEMENT_CS_TRIGGER,          "trigger"                       },
2573   { CA_ARG_ELEMENT_CS_ACTION,           "action ->"                     },
2574   { CA_ARG_UNDEFINED,                   " "                             },
2575   { CA_ARG_ELEMENT_NR_HEADLINE,         "[element]"                     },
2576   { CA_ARG_ELEMENT_NR_TARGET,           "target"                        },
2577   { CA_ARG_ELEMENT_NR_TRIGGER,          "trigger"                       },
2578   { CA_ARG_ELEMENT_NR_ACTION,           "action ->"                     },
2579
2580   { -1,                                 NULL                            }
2581 };
2582
2583 static struct ValueTextInfo options_action_arg_envelope[] =
2584 {
2585   { CA_ARG_NUMBER_HEADLINE,             "[number]"                      },
2586   { CA_ARG_1,                           "1"                             },
2587   { CA_ARG_2,                           "2"                             },
2588   { CA_ARG_3,                           "3"                             },
2589   { CA_ARG_4,                           "4"                             },
2590   { CA_ARG_UNDEFINED,                   " "                             },
2591   { CA_ARG_ELEMENT_HEADLINE,            "[element]"                     },
2592   { CA_ARG_ELEMENT_TARGET,              "target"                        },
2593   { CA_ARG_ELEMENT_TRIGGER,             "trigger"                       },
2594   { CA_ARG_ELEMENT_ACTION,              "action ->"                     },
2595
2596   { -1,                                 NULL                            }
2597 };
2598
2599 static struct ValueTextInfo options_action_arg_key[] =
2600 {
2601   { CA_ARG_NUMBER_HEADLINE,             "[number]"                      },
2602   { CA_ARG_1,                           "1"                             },
2603   { CA_ARG_2,                           "2"                             },
2604   { CA_ARG_3,                           "3"                             },
2605   { CA_ARG_4,                           "4"                             },
2606   { CA_ARG_5,                           "5"                             },
2607   { CA_ARG_6,                           "6"                             },
2608   { CA_ARG_7,                           "7"                             },
2609   { CA_ARG_8,                           "8"                             },
2610   { CA_ARG_UNDEFINED,                   " "                             },
2611   { CA_ARG_ELEMENT_HEADLINE,            "[element]"                     },
2612   { CA_ARG_ELEMENT_TARGET,              "target"                        },
2613   { CA_ARG_ELEMENT_TRIGGER,             "trigger"                       },
2614   { CA_ARG_ELEMENT_ACTION,              "action ->"                     },
2615
2616   { -1,                                 NULL                            }
2617 };
2618
2619 static struct ValueTextInfo options_action_arg_speed[] =
2620 {
2621   { CA_ARG_SPEED_HEADLINE,              "[speed]"                       },
2622   { CA_ARG_SPEED_NOT_MOVING,            "frozen"                        },
2623   { CA_ARG_SPEED_VERY_SLOW,             "very slow"                     },
2624   { CA_ARG_SPEED_SLOW,                  "slow"                          },
2625   { CA_ARG_SPEED_NORMAL,                "normal"                        },
2626   { CA_ARG_SPEED_FAST,                  "fast"                          },
2627   { CA_ARG_SPEED_VERY_FAST,             "very fast"                     },
2628   { CA_ARG_SPEED_EVEN_FASTER,           "ultrafast"                     },
2629   { CA_ARG_UNDEFINED,                   " "                             },
2630   { CA_ARG_SPEED_SLOWER,                "slower"                        },
2631   { CA_ARG_SPEED_FASTER,                "faster"                        },
2632   { CA_ARG_UNDEFINED,                   " "                             },
2633   { CA_ARG_SPEED_RESET,                 "reset"                         },
2634
2635   { -1,                                 NULL                            }
2636 };
2637
2638 static struct ValueTextInfo options_action_arg_shield[] =
2639 {
2640   { CA_ARG_SHIELD_HEADLINE,             "[shield]"                      },
2641   { CA_ARG_SHIELD_OFF,                  "off"                           },
2642   { CA_ARG_SHIELD_NORMAL,               "normal"                        },
2643   { CA_ARG_SHIELD_DEADLY,               "deadly"                        },
2644
2645   { -1,                                 NULL                            }
2646 };
2647
2648 static struct ValueTextInfo options_action_arg_artwork[] =
2649 {
2650   { CA_ARG_ELEMENT_HEADLINE,            "[element]"                     },
2651   { CA_ARG_ELEMENT_TARGET,              "target"                        },
2652   { CA_ARG_ELEMENT_TRIGGER,             "trigger"                       },
2653   { CA_ARG_ELEMENT_ACTION,              "action ->"                     },
2654   { CA_ARG_UNDEFINED,                   " "                             },
2655   { CA_ARG_ELEMENT_RESET,               "reset"                         },
2656
2657   { -1,                                 NULL                            }
2658 };
2659
2660 static struct ValueTextInfo options_action_arg_gravity[] =
2661 {
2662   { CA_ARG_GRAVITY_HEADLINE,            "[gravity]"                     },
2663   { CA_ARG_GRAVITY_ON,                  "on"                            },
2664   { CA_ARG_GRAVITY_OFF,                 "off"                           },
2665   { CA_ARG_GRAVITY_TOGGLE,              "toggle"                        },
2666
2667   { -1,                                 NULL                            }
2668 };
2669
2670 static struct ValueTextInfo options_action_arg_direction[] =
2671 {
2672   { CA_ARG_DIRECTION_HEADLINE,          "[dir.]"                        },
2673   { CA_ARG_DIRECTION_NONE,              "none"                          },
2674   { CA_ARG_DIRECTION_LEFT,              "left"                          },
2675   { CA_ARG_DIRECTION_RIGHT,             "right"                         },
2676   { CA_ARG_DIRECTION_UP,                "up"                            },
2677   { CA_ARG_DIRECTION_DOWN,              "down"                          },
2678   { CA_ARG_DIRECTION_TRIGGER,           "trigger"                       },
2679   { CA_ARG_DIRECTION_TRIGGER_BACK,      "-trigger"                      },
2680
2681   { -1,                                 NULL                            }
2682 };
2683
2684 static struct ValueTextInfo options_action_arg_scan_mode[] =
2685 {
2686   { CA_ARG_SCAN_MODE_HEADLINE,          "[mode]"                        },
2687   { CA_ARG_SCAN_MODE_NORMAL,            "normal"                        },
2688   { CA_ARG_SCAN_MODE_REVERSE,           "reverse"                       },
2689
2690   { -1,                                 NULL                            }
2691 };
2692
2693 static struct ValueTextInfo options_action_arg_inventory[] =
2694 {
2695   { CA_ARG_INVENTORY_HEADLINE,          "[add]"                         },
2696   { CA_ARG_ELEMENT_TARGET,              "+ target"                      },
2697   { CA_ARG_ELEMENT_TRIGGER,             "+ trigger"                     },
2698   { CA_ARG_ELEMENT_ACTION,              "+ action"                      },
2699   { CA_ARG_UNDEFINED,                   " "                             },
2700   { CA_ARG_INVENTORY_RM_HEADLINE,       "[remove]"                      },
2701   { CA_ARG_INVENTORY_RM_TARGET,         "- target"                      },
2702   { CA_ARG_INVENTORY_RM_TRIGGER,        "- trigger"                     },
2703   { CA_ARG_INVENTORY_RM_ACTION,         "- action"                      },
2704   { CA_ARG_INVENTORY_RM_FIRST,          "- first"                       },
2705   { CA_ARG_INVENTORY_RM_LAST,           "- last"                        },
2706   { CA_ARG_INVENTORY_RM_ALL,            "- all"                         },
2707   { CA_ARG_UNDEFINED,                   " "                             },
2708   { CA_ARG_INVENTORY_RESET,             "reset"                         },
2709
2710   { -1,                                 NULL                            }
2711 };
2712
2713 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
2714 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
2715 {
2716   { -1,                                 NULL                            }
2717 };
2718
2719 static struct ValueTextInfo options_group_choice_mode[] =
2720 {
2721   { ANIM_RANDOM,                        "random"                        },
2722   { ANIM_LOOP,                          "loop"                          },
2723   { ANIM_LINEAR,                        "linear"                        },
2724   { ANIM_PINGPONG,                      "pingpong"                      },
2725   { ANIM_PINGPONG2,                     "pingpong 2"                    },
2726   { ANIM_LEVEL_NR,                      "level number"                  },
2727
2728   { -1,                                 NULL                            }
2729 };
2730
2731 static struct ValueTextInfo options_bd_scheduling_type[] =
2732 {
2733   { GD_SCHEDULING_MILLISECONDS,         "Milliseconds"                  },
2734   { GD_SCHEDULING_BD1,                  "BD1"                           },
2735   { GD_SCHEDULING_BD2,                  "BD2"                           },
2736   { GD_SCHEDULING_PLCK,                 "Construction Kit"              },
2737   { GD_SCHEDULING_CRDR,                 "Crazy Dream 7"                 },
2738   { GD_SCHEDULING_BD1_ATARI,            "Atari BD1"                     },
2739   { GD_SCHEDULING_BD2_PLCK_ATARI,       "Atari BD2 / PLCK"              },
2740
2741   { -1,                                   NULL                          }
2742 };
2743
2744 static struct ValueTextInfo *action_arg_modes[] =
2745 {
2746   options_action_mode_none,
2747   options_action_mode_assign,
2748   options_action_mode_add_remove,
2749   options_action_mode_calculate,
2750 };
2751
2752 static struct
2753 {
2754   int value;
2755   int mode;
2756   struct ValueTextInfo *options;
2757 }
2758 action_arg_options[] =
2759 {
2760   { CA_NO_ACTION,               0,      options_action_arg_none,        },
2761   { CA_EXIT_PLAYER,             0,      options_action_arg_player,      },
2762   { CA_KILL_PLAYER,             0,      options_action_arg_player,      },
2763   { CA_MOVE_PLAYER,             0,      options_action_arg_direction,   },
2764   { CA_MOVE_PLAYER_NEW,         0,      options_action_arg_direction,   },
2765   { CA_RESTART_LEVEL,           0,      options_action_arg_none,        },
2766   { CA_SHOW_ENVELOPE,           0,      options_action_arg_envelope,    },
2767   { CA_SET_LEVEL_TIME,          3,      options_action_arg_number,      },
2768   { CA_SET_LEVEL_GEMS,          3,      options_action_arg_number,      },
2769   { CA_SET_LEVEL_SCORE,         3,      options_action_arg_number,      },
2770   { CA_SET_LEVEL_WIND,          1,      options_action_arg_direction,   },
2771   { CA_SET_LEVEL_RANDOM_SEED,   1,      options_action_arg_number,      },
2772   { CA_SET_PLAYER_KEYS,         2,      options_action_arg_key,         },
2773   { CA_SET_PLAYER_SPEED,        1,      options_action_arg_speed,       },
2774   { CA_SET_PLAYER_SHIELD,       1,      options_action_arg_shield,      },
2775   { CA_SET_PLAYER_GRAVITY,      1,      options_action_arg_gravity,     },
2776   { CA_SET_PLAYER_ARTWORK,      1,      options_action_arg_artwork,     },
2777   { CA_SET_PLAYER_INVENTORY,    0,      options_action_arg_inventory,   },
2778   { CA_SET_CE_VALUE,            3,      options_action_arg_value,       },
2779   { CA_SET_CE_SCORE,            3,      options_action_arg_value,       },
2780   { CA_SET_CE_ARTWORK,          1,      options_action_arg_artwork,     },
2781   { CA_SET_ENGINE_SCAN_MODE,    1,      options_action_arg_scan_mode,   },
2782
2783   { -1,                         FALSE,  NULL                            }
2784 };
2785
2786 static struct
2787 {
2788   int gadget_type_id;
2789   int x, y;
2790   int gadget_id;
2791   int gadget_id_align;
2792   int size;     // char size of selectbox or '-1' (dynamically determined)
2793   struct ValueTextInfo *options;
2794   int *value;
2795   char *text_above, *text_left, *text_right, *infotext;
2796 } selectbox_info[ED_NUM_SELECTBOX] =
2797 {
2798   // ---------- level and editor settings -------------------------------------
2799
2800   {
2801     ED_SELECTBOX_ID_TIME_OR_STEPS,
2802     -1,                                         ED_LEVEL_SETTINGS_YPOS(8),
2803     GADGET_ID_TIME_OR_STEPS,                    GADGET_ID_LEVEL_TIMELIMIT_UP,
2804     -1,
2805     options_time_or_steps,
2806     &level.use_step_counter,
2807     NULL, NULL, "(0 => no limit)",              "Select time or step limit"
2808   },
2809   {
2810     ED_SELECTBOX_ID_TIME_SCORE_BASE,
2811     -1,                                         ED_LEVEL_SETTINGS_YPOS(10),
2812     GADGET_ID_TIME_SCORE_BASE,                  GADGET_ID_LEVEL_TIMESCORE_UP,
2813     -1,
2814     options_time_score_base,
2815     &level.time_score_base,
2816     NULL, NULL, NULL,                           "Select time score for 1 or 10 seconds/steps"
2817   },
2818   {
2819     ED_SELECTBOX_ID_GAME_ENGINE_TYPE,
2820     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(12),
2821     GADGET_ID_GAME_ENGINE_TYPE,                 GADGET_ID_NONE,
2822     -1,
2823     options_game_engine_type,
2824     &level.game_engine_type,
2825     NULL, "Game engine:", NULL,                 "Select game engine"
2826   },
2827   {
2828     ED_SELECTBOX_ID_BD_SCHEDULING_TYPE,
2829     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(1),
2830     GADGET_ID_BD_SCHEDULING_TYPE,               GADGET_ID_NONE,
2831     -1,
2832     options_bd_scheduling_type,
2833     &level.bd_scheduling_type,
2834     NULL, "Scheduling type:", NULL,             "Select level timing"
2835   },
2836   {
2837     ED_SELECTBOX_ID_LEVELSET_SAVE_MODE,
2838     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(10),
2839     GADGET_ID_LEVELSET_SAVE_MODE,               GADGET_ID_NONE,
2840     -1,
2841     options_levelset_save_mode,
2842     &levelset_save_mode,
2843     "Action:", NULL, NULL,                      "Select action when saving level set"
2844   },
2845
2846   // ---------- element settings: configure (several elements) ----------------
2847
2848   {
2849     ED_SELECTBOX_ID_WIND_DIRECTION,
2850     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
2851     GADGET_ID_WIND_DIRECTION,                   GADGET_ID_NONE,
2852     -1,
2853     options_wind_direction,
2854     &level.wind_direction_initial,
2855     NULL, "Initial wind direction:", NULL,      "Select initial wind direction"
2856   },
2857   {
2858     ED_SELECTBOX_ID_PLAYER_SPEED,
2859     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(7),
2860     GADGET_ID_PLAYER_SPEED,                     GADGET_ID_NONE,
2861     -1,
2862     options_player_speed,
2863     &level.initial_player_stepsize[0],
2864     NULL, "Initial player speed:", NULL,        "Select initial player speed"
2865   },
2866   {
2867     ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE,
2868     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
2869     GADGET_ID_MM_BALL_CHOICE_MODE,              GADGET_ID_NONE,
2870     -1,
2871     options_group_choice_mode,
2872     &level.mm_ball_choice_mode,
2873     NULL, "Choice type:", NULL,                 "Select type of content choice"
2874   },
2875
2876   // ---------- element settings: configure 1 (custom elements) ---------------
2877
2878   {
2879     ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE,
2880     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(2),
2881     GADGET_ID_CUSTOM_ACCESS_TYPE,               GADGET_ID_NONE,
2882     -1,
2883     options_access_type,
2884     &custom_element.access_type,
2885     NULL, NULL, NULL,                           "Select type of access to this field"
2886   },
2887   {
2888     ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER,
2889     -1,                                         ED_ELEMENT_SETTINGS_YPOS(2),
2890     GADGET_ID_CUSTOM_ACCESS_LAYER,              GADGET_ID_CUSTOM_ACCESS_TYPE,
2891     -1,
2892     options_access_layer,
2893     &custom_element.access_layer,
2894     NULL, NULL, NULL,                           "Select layer of access for this field"
2895   },
2896   {
2897     ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED,
2898     -1,                                         ED_ELEMENT_SETTINGS_YPOS(2),
2899     GADGET_ID_CUSTOM_ACCESS_PROTECTED,          GADGET_ID_CUSTOM_ACCESS_LAYER,
2900     -1,
2901     options_access_protected,
2902     &custom_element.access_protected,
2903     NULL, NULL, NULL,                           "Select protected access for this field"
2904   },
2905   {
2906     ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION,
2907     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(3),
2908     GADGET_ID_CUSTOM_ACCESS_DIRECTION,          GADGET_ID_NONE,
2909     -1,
2910     options_access_direction,
2911     &custom_element.access_direction,
2912     NULL, "from", NULL,                         "Select access direction for this field"
2913   },
2914   {
2915     ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION,
2916     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(4),
2917     GADGET_ID_CUSTOM_WALK_TO_ACTION,            GADGET_ID_NONE,
2918     -1,
2919     options_walk_to_action,
2920     &custom_element.walk_to_action,
2921     NULL, NULL, NULL,                           "Select diggable/collectible/pushable"
2922   },
2923
2924   // ---------- element settings: configure 2 (custom elements) ---------------
2925
2926   {
2927     ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN,
2928     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(1),
2929     GADGET_ID_CUSTOM_MOVE_PATTERN,              GADGET_ID_NONE,
2930     -1,
2931     options_move_pattern,
2932     &custom_element.move_pattern,
2933     NULL, "Can move", NULL,                     "Select element move pattern"
2934   },
2935   {
2936     ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION,
2937     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(2),
2938     GADGET_ID_CUSTOM_MOVE_DIRECTION,            GADGET_ID_NONE,
2939     -1,
2940     options_move_direction,
2941     &custom_element.move_direction_initial,
2942     NULL, "Starts moving", NULL,                "Select initial element move direction"
2943   },
2944   {
2945     ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE,
2946     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(4),
2947     GADGET_ID_CUSTOM_MOVE_STEPSIZE,             GADGET_ID_NONE,
2948     -1,
2949     options_move_stepsize,
2950     &custom_element.move_stepsize,
2951     NULL, "Move/fall speed", NULL,              "Select speed of element movement"
2952   },
2953   {
2954     ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE,
2955     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(3),
2956     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,           GADGET_ID_NONE,
2957     -1,
2958     options_move_leave_type,
2959     &custom_element.move_leave_type,
2960     // left text with leading spaces to place gadget next to "can dig" gadget
2961     // (needed because drawing area gadgets created after selectbox gadgets)
2962     // NULL, "can dig:    can", ":",            "leave behind or change element"
2963     NULL, "            Can", ":",               "Select leave behind or change element"
2964   },
2965   {
2966     ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS,
2967     -1,                                         ED_ELEMENT_SETTINGS_YPOS(8),
2968     GADGET_ID_CUSTOM_SMASH_TARGETS,             GADGET_ID_CUSTOM_CAN_SMASH,
2969     -1,
2970     options_smash_targets,
2971     &custom_element.smash_targets,
2972     NULL, "Can smash", NULL,                    "Select elements that can be smashed"
2973   },
2974   {
2975     ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE,
2976     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(9),
2977     GADGET_ID_CUSTOM_SLIPPERY_TYPE,             GADGET_ID_NONE,
2978     -1,
2979     options_slippery_type,
2980     &custom_element.slippery_type,
2981     NULL, "Slippery", NULL,                     "Select where other elements fall down"
2982   },
2983   {
2984     ED_SELECTBOX_ID_CUSTOM_DEADLINESS,
2985     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(10),
2986     GADGET_ID_CUSTOM_DEADLINESS,                GADGET_ID_NONE,
2987     -1,
2988     options_deadliness,
2989     &custom_element.deadliness,
2990     NULL, "Deadly when", NULL,                  "Select deadliness of element"
2991   },
2992   {
2993     ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE,
2994     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(11),
2995     GADGET_ID_CUSTOM_EXPLOSION_TYPE,            GADGET_ID_NONE,
2996     -1,
2997     options_explosion_type,
2998     &custom_element.explosion_type,
2999     NULL, "Can explode", NULL,                  "Select explosion type"
3000   },
3001
3002   // ---------- element settings: advanced (custom elements) ------------------
3003
3004   {
3005     ED_SELECTBOX_ID_CHANGE_TIME_UNITS,
3006     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(3),
3007     GADGET_ID_CHANGE_TIME_UNITS,                GADGET_ID_NONE,
3008     -1,
3009     options_time_units,
3010     &custom_element_change.delay_frames,
3011     NULL, "Delay time given in", NULL,          "Select delay time units for change"
3012   },
3013   {
3014     ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION,
3015     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(4),
3016     GADGET_ID_CHANGE_DIRECT_ACTION,             GADGET_ID_NONE,
3017     -1,
3018     options_change_direct_action,
3019     &custom_element_change.direct_action,
3020     NULL, NULL, NULL,                           "Select type of direct action"
3021   },
3022   {
3023     ED_SELECTBOX_ID_CHANGE_OTHER_ACTION,
3024     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(5),
3025     GADGET_ID_CHANGE_OTHER_ACTION,              GADGET_ID_NONE,
3026     -1,
3027     options_change_other_action,
3028     &custom_element_change.other_action,
3029     NULL, NULL, "element:",                     "Select type of other element action"
3030   },
3031   {
3032     ED_SELECTBOX_ID_CHANGE_SIDE,
3033     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(6),
3034     GADGET_ID_CHANGE_SIDE,                      GADGET_ID_NONE,
3035     -1,
3036     options_change_trigger_side,
3037     &custom_element_change.trigger_side,
3038     NULL, "at", "side",                         "Select element side triggering change"
3039   },
3040   {
3041     ED_SELECTBOX_ID_CHANGE_PLAYER,
3042     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(7),
3043     GADGET_ID_CHANGE_PLAYER,                    GADGET_ID_NONE,
3044     -1,
3045     options_change_trigger_player,
3046     &custom_element_change.trigger_player,
3047     NULL, "Player:", " ",                       "Select player that causes change"
3048   },
3049   {
3050     ED_SELECTBOX_ID_CHANGE_PAGE,
3051     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(7),
3052     GADGET_ID_CHANGE_PAGE,                      GADGET_ID_CHANGE_PLAYER,
3053     -1,
3054     options_change_trigger_page,
3055     &custom_element_change.trigger_page,
3056     NULL, "Page:", NULL,                        "Select change page that causes change"
3057   },
3058   {
3059     ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN,
3060     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(10),
3061     GADGET_ID_CHANGE_REPLACE_WHEN,              GADGET_ID_NONE,
3062     -1,
3063     options_change_replace_when,
3064     &custom_element_change.replace_when,
3065     NULL, "Replace when", NULL,                 "Select which elements can be replaced"
3066   },
3067   {
3068     ED_SELECTBOX_ID_ACTION_TYPE,
3069     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(13),
3070     GADGET_ID_ACTION_TYPE,                      GADGET_ID_NONE,
3071     15,
3072     options_action_type,
3073     &custom_element_change.action_type,
3074     NULL, NULL, NULL,                           "Select action on specified condition"
3075   },
3076   {
3077     ED_SELECTBOX_ID_ACTION_MODE,
3078     -1,                                         ED_ELEMENT_SETTINGS_YPOS(13),
3079     GADGET_ID_ACTION_MODE,                      GADGET_ID_ACTION_TYPE,
3080     -1,
3081     options_action_mode_none,
3082     &custom_element_change.action_mode,
3083     NULL, NULL, NULL,                           "Select action operator"
3084   },
3085   {
3086     ED_SELECTBOX_ID_ACTION_ARG,
3087     -1,                                         ED_ELEMENT_SETTINGS_YPOS(13),
3088     GADGET_ID_ACTION_ARG,                       GADGET_ID_ACTION_MODE,
3089     -1,
3090     options_action_arg_none,
3091     &custom_element_change.action_arg,
3092     NULL, NULL, NULL,                           "Select action parameter"
3093   },
3094   {
3095     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE,
3096     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(14),
3097     GADGET_ID_SELECT_CHANGE_PAGE,               GADGET_ID_NONE,
3098     3,
3099     options_change_page,
3100     &custom_element.current_change_page,
3101     NULL, NULL, NULL,                           "Select element change page"
3102   },
3103
3104   // ---------- element settings: configure (group elements) ------------------
3105
3106   {
3107     ED_SELECTBOX_ID_GROUP_CHOICE_MODE,
3108     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
3109     GADGET_ID_GROUP_CHOICE_MODE,                GADGET_ID_NONE,
3110     -1,
3111     options_group_choice_mode,
3112     &group_element_info.choice_mode,
3113     NULL, "Choice type:", NULL,                 "Select type of group element choice"
3114   },
3115 };
3116
3117 static struct
3118 {
3119   int gadget_type_id;
3120   int x, y;
3121   int gadget_id;
3122   int gadget_id_align;
3123   int size;
3124   char *text;
3125   char *text_above, *text_left, *text_right, *infotext;
3126 } textbutton_info[ED_NUM_TEXTBUTTONS] =
3127 {
3128   // ---------- level and editor settings (tabs) ------------------------------
3129
3130   {
3131     ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL,
3132     ED_LEVEL_TABS_XPOS(0),                      ED_LEVEL_TABS_YPOS(0),
3133     GADGET_ID_LEVELCONFIG_LEVEL,                GADGET_ID_NONE,
3134     8,                                          "Level",
3135     NULL, NULL, NULL,                           "Configure level settings"
3136   },
3137   {
3138     ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET,
3139     -1,                                         -1,
3140     GADGET_ID_LEVELCONFIG_LEVELSET,             GADGET_ID_LEVELCONFIG_LEVEL,
3141     8,                                          "Levelset",
3142     NULL, NULL, NULL,                           "Update this or create new level set"
3143   },
3144   {
3145     ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR,
3146     -1,                                         -1,
3147     GADGET_ID_LEVELCONFIG_EDITOR,               GADGET_ID_LEVELCONFIG_LEVELSET,
3148     8,                                          "Editor",
3149     NULL, NULL, NULL,                           "Configure editor settings"
3150   },
3151   {
3152     ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE,
3153     -1,                                         -1,
3154     GADGET_ID_LEVELCONFIG_ENGINE,               GADGET_ID_LEVELCONFIG_EDITOR,
3155     8,                                          "Engine",
3156     NULL, NULL, NULL,                           "Configure engine settings"
3157   },
3158
3159   // ---------- element settings (tabs) ---------------------------------------
3160
3161   {
3162     ED_TEXTBUTTON_ID_PROPERTIES_INFO,
3163     ED_ELEMENT_TABS_XPOS(0),                    ED_ELEMENT_TABS_YPOS(0),
3164     GADGET_ID_PROPERTIES_INFO,                  GADGET_ID_NONE,
3165     8,                                          "Info",
3166     NULL, NULL, NULL,                           "Show information about element"
3167   },
3168   {
3169     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG,
3170     -1,                                         -1,
3171     GADGET_ID_PROPERTIES_CONFIG,                GADGET_ID_PROPERTIES_INFO,
3172     8,                                          "Config",
3173     NULL, NULL, NULL,                           "Configure element properties"
3174   },
3175   {
3176     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1,
3177     -1,                                         -1,
3178     GADGET_ID_PROPERTIES_CONFIG_1,              GADGET_ID_PROPERTIES_INFO,
3179     8,                                          "Config 1",
3180     NULL, NULL, NULL,                           "Configure element properties, part 1"
3181   },
3182   {
3183     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2,
3184     -1,                                         -1,
3185     GADGET_ID_PROPERTIES_CONFIG_2,              GADGET_ID_PROPERTIES_CONFIG_1,
3186     8,                                          "Config 2",
3187     NULL, NULL, NULL,                           "Configure element properties, part 2"
3188   },
3189   {
3190     ED_TEXTBUTTON_ID_PROPERTIES_CHANGE,
3191     -1,                                         -1,
3192     GADGET_ID_PROPERTIES_CHANGE,                GADGET_ID_PROPERTIES_CONFIG_2,
3193     8,                                          "Change",
3194     NULL, NULL, NULL,                           "Configure custom element change pages"
3195   },
3196
3197   // ---------- level and editor settings (buttons) ---------------------------
3198
3199   {
3200     ED_TEXTBUTTON_ID_SAVE_LEVELSET,
3201     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(10),
3202     GADGET_ID_SAVE_LEVELSET,                    GADGET_ID_LEVELSET_SAVE_MODE,
3203     -1,                                         "Save",
3204     NULL, NULL, NULL,                           "Update or create level set"
3205   },
3206   {
3207     ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2,
3208     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(6),
3209     GADGET_ID_SAVE_AS_TEMPLATE_2,               GADGET_ID_NONE,
3210     -1,                                         "Save",
3211     NULL, NULL,                                 "this level as level template",
3212     "Save current settings as new template"
3213   },
3214
3215   // ---------- element settings (buttons) ------------------------------------
3216
3217   {
3218     ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1,
3219     -1,                                         -1,
3220     GADGET_ID_SAVE_AS_TEMPLATE_1,               GADGET_ID_CUSTOM_USE_TEMPLATE_1,
3221     -1,                                         "Save",
3222     NULL, " ",                                  "As Template",
3223     "Save current settings as new template"
3224   },
3225   {
3226     ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE,
3227     -1,                                         -1,
3228     GADGET_ID_ADD_CHANGE_PAGE,                  GADGET_ID_PASTE_CHANGE_PAGE,
3229     -1,                                         "New",
3230     NULL, NULL, NULL,                           "Add new change page"
3231   },
3232   {
3233     ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE,
3234     -1,                                         -1,
3235     GADGET_ID_DEL_CHANGE_PAGE,                  GADGET_ID_ADD_CHANGE_PAGE,
3236     -1,                                         "Delete",
3237     NULL, NULL, NULL,                           "Delete current change page"
3238   },
3239 };
3240
3241 static struct
3242 {
3243   int gadget_type_id;
3244   int graphic;
3245   int x, y;
3246   int gadget_id;
3247   int gadget_id_align;
3248   char *text_left, *text_right, *infotext;
3249 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
3250 {
3251   {
3252     ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE,
3253     IMG_EDITOR_COUNTER_DOWN,
3254     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(14),
3255     GADGET_ID_PREV_CHANGE_PAGE,                 GADGET_ID_NONE,
3256     NULL, NULL,                                 "Select previous change page"
3257   },
3258   {
3259     ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE,
3260     IMG_EDITOR_COUNTER_UP,
3261     -1,                                         ED_ELEMENT_SETTINGS_YPOS(14),
3262     GADGET_ID_NEXT_CHANGE_PAGE,                 GADGET_ID_SELECT_CHANGE_PAGE,
3263     NULL, "Change page",                        "Select next change page"
3264   },
3265   {
3266     ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE,
3267     IMG_GFX_EDITOR_BUTTON_CP_COPY,
3268     -1,                                         ED_ELEMENT_SETTINGS_YPOS(14),
3269     GADGET_ID_COPY_CHANGE_PAGE,                 GADGET_ID_NEXT_CHANGE_PAGE,
3270     " ", NULL,                                  "Copy settings from this change page"
3271   },
3272   {
3273     ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE,
3274     IMG_GFX_EDITOR_BUTTON_CP_PASTE,
3275     -1,                                         ED_ELEMENT_SETTINGS_YPOS(14),
3276     GADGET_ID_PASTE_CHANGE_PAGE,                GADGET_ID_COPY_CHANGE_PAGE,
3277     NULL, NULL,                                 "Paste settings to this change page"
3278   },
3279 };
3280
3281 static struct
3282 {
3283   int x, y;
3284 } scrollbutton_pos[ED_NUM_SCROLLBUTTONS];
3285
3286 static struct
3287 {
3288   int gadget_type_id;
3289   int graphic;
3290   int gadget_id;
3291   char *infotext;
3292 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
3293 {
3294   {
3295     ED_SCROLLBUTTON_ID_AREA_UP,
3296     IMG_EDITOR_PLAYFIELD_SCROLL_UP,
3297     GADGET_ID_SCROLL_UP,
3298     "Scroll level editing area up"
3299   },
3300   {
3301     ED_SCROLLBUTTON_ID_AREA_DOWN,
3302     IMG_EDITOR_PLAYFIELD_SCROLL_DOWN,
3303     GADGET_ID_SCROLL_DOWN,
3304     "Scroll level editing area down"
3305   },
3306   {
3307     ED_SCROLLBUTTON_ID_AREA_LEFT,
3308     IMG_EDITOR_PLAYFIELD_SCROLL_LEFT,
3309     GADGET_ID_SCROLL_LEFT,
3310     "Scroll level editing area left"
3311   },
3312   {
3313     ED_SCROLLBUTTON_ID_AREA_RIGHT,
3314     IMG_EDITOR_PLAYFIELD_SCROLL_RIGHT,
3315     GADGET_ID_SCROLL_RIGHT,
3316     "Scroll level editing area right"
3317   },
3318   {
3319     ED_SCROLLBUTTON_ID_LIST_UP,
3320     IMG_EDITOR_PALETTE_SCROLL_UP,
3321     GADGET_ID_SCROLL_LIST_UP,
3322     "Scroll element list up ('Page Up')"
3323   },
3324   {
3325     ED_SCROLLBUTTON_ID_LIST_DOWN,
3326     IMG_EDITOR_PALETTE_SCROLL_DOWN,
3327     GADGET_ID_SCROLL_LIST_DOWN,
3328     "Scroll element list down ('Page Down')"
3329   },
3330 };
3331
3332 static struct
3333 {
3334   int x, y;
3335   int width, height;
3336   int wheel_x, wheel_y;
3337   int wheel_width, wheel_height;
3338 } scrollbar_pos[ED_NUM_SCROLLBARS];
3339
3340 static struct
3341 {
3342   int gadget_type_id;
3343   int graphic;
3344   int type;
3345   int gadget_id;
3346   char *infotext;
3347 } scrollbar_info[ED_NUM_SCROLLBARS] =
3348 {
3349   {
3350     ED_SCROLLBAR_ID_AREA_HORIZONTAL,
3351     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
3352     GD_TYPE_SCROLLBAR_HORIZONTAL,
3353     GADGET_ID_SCROLL_HORIZONTAL,
3354     "Scroll level editing area horizontally"
3355   },
3356   {
3357     ED_SCROLLBAR_ID_AREA_VERTICAL,
3358     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
3359     GD_TYPE_SCROLLBAR_VERTICAL,
3360     GADGET_ID_SCROLL_VERTICAL,
3361     "Scroll level editing area vertically"
3362   },
3363   {
3364     ED_SCROLLBAR_ID_LIST_VERTICAL,
3365     IMG_EDITOR_PALETTE_SCROLLBAR,
3366     GD_TYPE_SCROLLBAR_VERTICAL,
3367     GADGET_ID_SCROLL_LIST_VERTICAL,
3368     "Scroll element list vertically"
3369   }
3370 };
3371
3372
3373 static struct
3374 {
3375   int gadget_type_id;
3376   int x, y;
3377   int gadget_id;
3378   int gadget_id_align;
3379   int radio_button_nr;
3380   int *value;
3381   int checked_value;
3382   char *text_left, *text_right, *infotext;
3383 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
3384 {
3385   {
3386     ED_RADIOBUTTON_ID_PERCENTAGE,
3387     -1,                                         ED_LEVEL_SETTINGS_YPOS(0),
3388     GADGET_ID_RANDOM_PERCENTAGE,                GADGET_ID_LEVEL_RANDOM_UP,
3389     RADIO_NR_RANDOM_ELEMENTS,
3390     &random_placement_method,                   RANDOM_USE_PERCENTAGE,
3391     " ", "percentage",                          "Use percentage for random elements"
3392   },
3393   {
3394     ED_RADIOBUTTON_ID_QUANTITY,
3395     -1,                                         ED_LEVEL_SETTINGS_YPOS(0),
3396     GADGET_ID_RANDOM_QUANTITY,                  GADGET_ID_RANDOM_PERCENTAGE,
3397     RADIO_NR_RANDOM_ELEMENTS,
3398     &random_placement_method,                   RANDOM_USE_QUANTITY,
3399     " ", "quantity",                            "Use quantity for random elements"
3400   }
3401 };
3402
3403 static struct
3404 {
3405   int gadget_type_id;
3406   int x, y;
3407   int gadget_id;
3408   int gadget_id_align;
3409   boolean *value;
3410   char *text_above, *text_left, *text_right, *infotext;
3411 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
3412 {
3413   // ---------- level and editor settings -------------------------------------
3414
3415   {
3416     ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS,
3417     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(6),
3418     GADGET_ID_AUTO_COUNT_GEMS,                  GADGET_ID_NONE,
3419     &level.auto_count_gems,
3420     NULL, NULL,
3421     "Automatically count gems needed",          "Set counter to number of gems"
3422   },
3423   {
3424     ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE,
3425     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(11),
3426     GADGET_ID_RATE_TIME_OVER_SCORE,             GADGET_ID_NONE,
3427     &level.rate_time_over_score,
3428     NULL, NULL,
3429     "Rate time/steps used over score",          "Sort high scores by playing time/steps"
3430   },
3431   {
3432     ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK,
3433     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(7),
3434     GADGET_ID_USE_LEVELSET_ARTWORK,             GADGET_ID_NONE,
3435     &levelset_use_levelset_artwork,
3436     NULL, NULL,
3437     "Use current custom artwork",               "Use custom artwork of this level set"
3438   },
3439   {
3440     ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE,
3441     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(8),
3442     GADGET_ID_COPY_LEVEL_TEMPLATE,              GADGET_ID_NONE,
3443     &levelset_copy_level_template,
3444     NULL, NULL,
3445     "Copy current level template",              "Copy level template of this level set"
3446   },
3447   {
3448     ED_CHECKBUTTON_ID_RANDOM_RESTRICTED,
3449     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(1),
3450     GADGET_ID_RANDOM_RESTRICTED,                GADGET_ID_NONE,
3451     &random_placement_background_restricted,
3452     NULL, NULL,
3453     "Restrict random placement to:",            "Set random placement restriction"
3454   },
3455   {
3456     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3,
3457     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(4),
3458     GADGET_ID_CUSTOM_USE_TEMPLATE_3,            GADGET_ID_NONE,
3459     &setup.editor.use_template_for_new_levels,
3460     "Template for new levels and CE/GE:", NULL,
3461     "Use template for new levels",              "Use template for level properties"
3462   },
3463   {
3464     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2,
3465     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(5),
3466     GADGET_ID_CUSTOM_USE_TEMPLATE_2,            GADGET_ID_NONE,
3467     &level.use_custom_template,
3468     NULL, NULL,
3469     "Use template for custom elements",         "Use template for custom properties"
3470   },
3471   {
3472     ED_CHECKBUTTON_ID_BD_INTERMISSION,
3473     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(0),
3474     GADGET_ID_BD_INTERMISSION,                  GADGET_ID_NONE,
3475     &level.bd_intermission,
3476     "Boulder Dash game engine settings:", NULL,
3477     "Intermission",                             "Level is an intermission level"
3478   },
3479   {
3480     ED_CHECKBUTTON_ID_BD_PAL_TIMING,
3481     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(2),
3482     GADGET_ID_BD_PAL_TIMING,                    GADGET_ID_NONE,
3483     &level.bd_pal_timing,
3484     NULL, NULL,
3485     "PAL timing",                               "Use slower timer (like PAL C64)"
3486   },
3487   {
3488     ED_CHECKBUTTON_ID_BD_LINE_SHIFTING_BORDERS,
3489     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(6),
3490     GADGET_ID_BD_LINE_SHIFTING_BORDERS,         GADGET_ID_NONE,
3491     &level.bd_line_shifting_borders,
3492     "Compatibility settings:", NULL,
3493     "Line-shifting borders",                    "Use line-shifting wrap-around"
3494   },
3495   {
3496     ED_CHECKBUTTON_ID_BD_SCAN_FIRST_AND_LAST_ROW,
3497     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(7),
3498     GADGET_ID_BD_SCAN_FIRST_AND_LAST_ROW,       GADGET_ID_NONE,
3499     &level.bd_scan_first_and_last_row,
3500     NULL, NULL,
3501     "Scan first and last row",                  "Also process top/bottom border rows"
3502   },
3503   {
3504     ED_CHECKBUTTON_ID_BD_SHORT_EXPLOSIONS,
3505     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(8),
3506     GADGET_ID_BD_SHORT_EXPLOSIONS,              GADGET_ID_NONE,
3507     &level.bd_short_explosions,
3508     NULL, NULL,
3509     "Short explosions",                         "Use four game cycles for explosions"
3510   },
3511   {
3512     ED_CHECKBUTTON_ID_BD_GRAVITY_AFFECTS_ALL,
3513     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(9),
3514     GADGET_ID_BD_GRAVITY_AFFECTS_ALL,           GADGET_ID_NONE,
3515     &level.bd_gravity_affects_all,
3516     NULL, NULL,
3517     "Gravity change affects everything",        "Gravity affects all falling objects"
3518   },
3519   {
3520     ED_CHECKBUTTON_ID_BD_CREATURES_START_BACKWARDS,
3521     ED_ELEMENT_SETTINGS_XPOS(0),                ED_LEVEL_SETTINGS_YPOS(10),
3522     GADGET_ID_BD_CREATURES_START_BACKWARDS,     GADGET_ID_NONE,
3523     &level.bd_creatures_start_backwards,
3524     NULL, NULL,
3525     "Creatures start moving backwards",         "Creatures start in opposite direction"
3526   },
3527   {
3528     ED_CHECKBUTTON_ID_BD_CREATURES_TURN_ON_HATCHING,
3529     ED_ELEMENT_SETTINGS_XPOS(0),                ED_LEVEL_SETTINGS_YPOS(11),
3530     GADGET_ID_BD_CREATURES_TURN_ON_HATCHING,    GADGET_ID_NONE,
3531     &level.bd_creatures_turn_on_hatching,
3532     NULL, NULL,
3533     "Creatures turn on hatching",               "Creatures change direction on hatching"
3534   },
3535
3536   // ---------- element settings: configure (various elements) ----------------
3537
3538   {
3539     ED_CHECKBUTTON_ID_STICK_ELEMENT,
3540     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3541     GADGET_ID_STICK_ELEMENT,                    GADGET_ID_NONE,
3542     &stick_element_properties_window,
3543     NULL, NULL,
3544     "Stick this screen to edit content",        "Stick this screen to edit content"
3545   },
3546   {
3547     ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS,
3548     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3549     GADGET_ID_EM_SLIPPERY_GEMS,                 GADGET_ID_NONE,
3550     &level.em_slippery_gems,
3551     NULL, NULL,
3552     "Slip down from certain flat walls",        "Use EM/DC style slipping behaviour"
3553   },
3554   {
3555     ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE,
3556     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3557     GADGET_ID_EM_EXPLODES_BY_FIRE,              GADGET_ID_NONE,
3558     &level.em_explodes_by_fire,
3559     NULL, NULL,
3560     "Explodes with chain reaction",             "Use R'n'D style explosion behaviour"
3561   },
3562   {
3563     ED_CHECKBUTTON_ID_USE_SPRING_BUG,
3564     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
3565     GADGET_ID_USE_SPRING_BUG,                   GADGET_ID_NONE,
3566     &level.use_spring_bug,
3567     NULL, NULL,
3568     "Use spring pushing bug",                   "Use odd spring pushing behaviour"
3569   },
3570   {
3571     ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG,
3572     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3573     GADGET_ID_USE_TIME_ORB_BUG,                 GADGET_ID_NONE,
3574     &level.use_time_orb_bug,
3575     NULL, NULL,
3576     "Use time orb bug",                         "Use odd time orb behaviour"
3577   },
3578   {
3579     ED_CHECKBUTTON_ID_USE_LIFE_BUGS,
3580     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(5),
3581     GADGET_ID_USE_LIFE_BUGS,                    GADGET_ID_NONE,
3582     &level.use_life_bugs,
3583     NULL, NULL,
3584     "Use buggy element behaviour",              "Use odd (historic) element behaviour"
3585   },
3586   {
3587     ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT,
3588     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
3589     GADGET_ID_RANDOM_BALL_CONTENT,              GADGET_ID_NONE,
3590     &level.ball_random,
3591     NULL, NULL,
3592     "Create single random element",             "Only create one element from content"
3593   },
3594   {
3595     ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE,
3596     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3597     GADGET_ID_INITIAL_BALL_ACTIVE,              GADGET_ID_NONE,
3598     &level.ball_active_initial,
3599     NULL, NULL,
3600     "Magic ball initially activated",           "Activate magic ball after level start"
3601   },
3602   {
3603     ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE,
3604     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3605     GADGET_ID_GROW_INTO_DIGGABLE,               GADGET_ID_NONE,
3606     &level.grow_into_diggable,
3607     NULL, NULL,
3608     "Can grow into anything diggable",          "Grow into more than just sand"
3609   },
3610   {
3611     ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED,
3612     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3613     GADGET_ID_SB_FIELDS_NEEDED,                 GADGET_ID_NONE,
3614     &level.sb_fields_needed,
3615     NULL, NULL,
3616     "All fields need to be filled",             "Require all SB fields to be solved"
3617   },
3618   {
3619     ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED,
3620     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3621     GADGET_ID_SB_OBJECTS_NEEDED,                GADGET_ID_NONE,
3622     &level.sb_objects_needed,
3623     NULL, NULL,
3624     "All objects need to be placed",            "Require all SB objects to be solved"
3625   },
3626   {
3627     ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN,
3628     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3629     GADGET_ID_AUTO_EXIT_SOKOBAN,                GADGET_ID_NONE,
3630     &level.auto_exit_sokoban,
3631     NULL, NULL,
3632     "Exit level if all tasks solved",           "Automatically finish Sokoban levels"
3633   },
3634   {
3635     ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER,
3636     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(14),
3637     GADGET_ID_SOLVED_BY_ONE_PLAYER,             GADGET_ID_NONE,
3638     &level.solved_by_one_player,
3639     NULL, NULL,
3640     "Only one player must enter exit",          "Level solved by first player in exit"
3641   },
3642   {
3643     ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT,
3644     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
3645     GADGET_ID_FINISH_DIG_COLLECT,               GADGET_ID_NONE,
3646     &level.finish_dig_collect,
3647     NULL, NULL,
3648     "CE action on finished dig/collect",        "Only finished dig/collect triggers CE"
3649   },
3650   {
3651     ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE,
3652     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
3653     GADGET_ID_KEEP_WALKABLE_CE,                 GADGET_ID_NONE,
3654     &level.keep_walkable_ce,
3655     NULL, NULL,
3656     "Keep walkable CE changed to player",       "Keep CE changing to player if walkable"
3657   },
3658   {
3659     ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING,
3660     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(9),
3661     GADGET_ID_CONTINUOUS_SNAPPING,              GADGET_ID_NONE,
3662     &level.continuous_snapping,
3663     NULL, NULL,
3664     "Continuous snapping",                      "Use snapping without releasing key"
3665   },
3666   {
3667     ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD,
3668     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(8),
3669     GADGET_ID_BLOCK_SNAP_FIELD,                 GADGET_ID_NONE,
3670     &level.block_snap_field,
3671     NULL, NULL,
3672     "Block snapped field when snapping",        "Use snapping delay to show animation"
3673   },
3674   {
3675     ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD,
3676     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
3677     GADGET_ID_BLOCK_LAST_FIELD,                 GADGET_ID_NONE,
3678     &level.block_last_field,
3679     NULL, NULL,
3680     "Block last field when moving",             "Player blocks last field when moving"
3681   },
3682   {
3683     ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD,
3684     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
3685     GADGET_ID_SP_BLOCK_LAST_FIELD,              GADGET_ID_NONE,
3686     &level.sp_block_last_field,
3687     NULL, NULL,
3688     "Block last field when moving",             "Player blocks last field when moving"
3689   },
3690   {
3691     ED_CHECKBUTTON_ID_INSTANT_RELOCATION,
3692     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
3693     GADGET_ID_INSTANT_RELOCATION,               GADGET_ID_NONE,
3694     &level.instant_relocation,
3695     NULL, NULL,
3696     "No scrolling when relocating",             "Player gets relocated without delay"
3697   },
3698   {
3699     ED_CHECKBUTTON_ID_SHIFTED_RELOCATION,
3700     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
3701     GADGET_ID_SHIFTED_RELOCATION,               GADGET_ID_NONE,
3702     &level.shifted_relocation,
3703     NULL, NULL,
3704     "No centering when relocating",             "Level not centered after relocation"
3705   },
3706   {
3707     ED_CHECKBUTTON_ID_LAZY_RELOCATION,
3708     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(5),
3709     GADGET_ID_LAZY_RELOCATION,                  GADGET_ID_NONE,
3710     &level.lazy_relocation,
3711     NULL, NULL,
3712     "Only redraw off-screen relocation",        "No redraw if relocation target visible"
3713   },
3714   {
3715     ED_CHECKBUTTON_ID_USE_START_ELEMENT,
3716     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(10),
3717     GADGET_ID_USE_START_ELEMENT,                GADGET_ID_NONE,
3718     &level.use_start_element[0],
3719     NULL, NULL,
3720     "Use level start element:",                "Start level at this element's position"
3721   },
3722   {
3723     ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT,
3724     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(11),
3725     GADGET_ID_USE_ARTWORK_ELEMENT,              GADGET_ID_NONE,
3726     &level.use_artwork_element[0],
3727     NULL, NULL,
3728     "Use artwork from element:",                "Use player artwork from other element"
3729   },
3730   {
3731     ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT,
3732     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(12),
3733     GADGET_ID_USE_EXPLOSION_ELEMENT,            GADGET_ID_NONE,
3734     &level.use_explosion_element[0],
3735     NULL, NULL,
3736     "Use explosion from element:",              "Use explosion properties from element"
3737   },
3738   {
3739     ED_CHECKBUTTON_ID_INITIAL_GRAVITY,
3740     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(13),
3741     GADGET_ID_INITIAL_GRAVITY,                  GADGET_ID_NONE,
3742     &level.initial_player_gravity[0],
3743     NULL, NULL,
3744     "Use initial gravity",                      "Set initial player gravity"
3745   },
3746   {
3747     ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY,
3748     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3749     GADGET_ID_USE_INITIAL_INVENTORY,            GADGET_ID_NONE,
3750     &level.use_initial_inventory[0],
3751     NULL, NULL,
3752     "Use initial inventory:",                   "Use collected elements on level start"
3753   },
3754   {
3755     ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE,
3756     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(6),
3757     GADGET_ID_CAN_PASS_TO_WALKABLE,             GADGET_ID_NONE,
3758     &level.can_pass_to_walkable,
3759     NULL, NULL,
3760     "Can pass to walkable element",             "Player can pass to empty or walkable"
3761   },
3762   {
3763     ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID,
3764     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3765     GADGET_ID_CAN_FALL_INTO_ACID,               GADGET_ID_NONE,
3766     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3767     NULL, NULL,
3768     "Can fall into acid (with gravity)",        "Player can fall into acid pool"
3769   },
3770   {
3771     ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID,
3772     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3773     GADGET_ID_CAN_MOVE_INTO_ACID,               GADGET_ID_NONE,
3774     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3775     NULL, NULL,
3776     "Can move into acid",                       "Element can move into acid pool"
3777   },
3778   {
3779     ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH,
3780     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3781     GADGET_ID_DONT_COLLIDE_WITH,                GADGET_ID_NONE,
3782     &custom_element_properties[EP_DONT_COLLIDE_WITH],
3783     NULL, NULL,
3784     "Deadly when colliding with",               "Element is deadly when hitting player"
3785   },
3786   {
3787     ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS,
3788     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3789     GADGET_ID_BD_DIAGONAL_MOVEMENTS,            GADGET_ID_NONE,
3790     &level.bd_diagonal_movements,
3791     NULL, NULL,
3792     "Can move diagonally",                      "Player can move diagonally"
3793   },
3794   {
3795     ED_CHECKBUTTON_ID_BD_TOPMOST_PLAYER_ACTIVE,
3796     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3797     GADGET_ID_BD_TOPMOST_PLAYER_ACTIVE,         GADGET_ID_NONE,
3798     &level.bd_topmost_player_active,
3799     NULL, NULL,
3800     "Topmost player is active",                 "Use first player found on playfield"
3801   },
3802   {
3803     ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,
3804     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
3805     GADGET_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,     GADGET_ID_NONE,
3806     &level.bd_push_mega_rock_with_sweet,
3807     NULL, NULL,
3808     "Mega rocks pushable with sweet",           "Push mega rocks after eating sweet"
3809   },
3810   {
3811     ED_CHECKBUTTON_ID_BD_MAGIC_WALL_WAIT_HATCHING,
3812     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
3813     GADGET_ID_BD_MAGIC_WALL_WAIT_HATCHING,      GADGET_ID_NONE,
3814     &level.bd_magic_wall_wait_hatching,
3815     NULL, NULL,
3816     "Wait for player's birth",                  "Timer start waits for player's birth"
3817   },
3818   {
3819     ED_CHECKBUTTON_ID_BD_MAGIC_WALL_STOPS_AMOEBA,
3820     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
3821     GADGET_ID_BD_MAGIC_WALL_STOPS_AMOEBA,       GADGET_ID_NONE,
3822     &level.bd_magic_wall_stops_amoeba,
3823     NULL, NULL,
3824     "Turn amoeba to diamonds",                  "Activation changes amoeba to diamonds"
3825   },
3826   {
3827     ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING,
3828     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3829     GADGET_ID_BD_AMOEBA_WAIT_FOR_HATCHING,      GADGET_ID_NONE,
3830     &level.bd_amoeba_wait_for_hatching,
3831     NULL, NULL,
3832     "Wait for player's birth",                  "Timer start waits for player's birth"
3833   },
3834   {
3835     ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY,
3836     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
3837     GADGET_ID_BD_AMOEBA_START_IMMEDIATELY,      GADGET_ID_NONE,
3838     &level.bd_amoeba_start_immediately,
3839     NULL, NULL,
3840     "Start growing immediately",                "Start slow growth time immediately"
3841   },
3842   {
3843     ED_CHECKBUTTON_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,
3844     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(9),
3845     GADGET_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,    GADGET_ID_NONE,
3846     &level.bd_amoeba_2_explode_by_amoeba,
3847     NULL, NULL,
3848     "Explodes if touched by amoeba",            "Amoeba 2 explodes if touched by amoeba"
3849   },
3850   {
3851     ED_CHECKBUTTON_ID_BD_VOODOO_COLLECTS_DIAMONDS,
3852     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3853     GADGET_ID_BD_VOODOO_COLLECTS_DIAMONDS,      GADGET_ID_NONE,
3854     &level.bd_voodoo_collects_diamonds,
3855     NULL, NULL,
3856     "Can collect diamonds",                     "Can collect diamonds for the player"
3857   },
3858   {
3859     ED_CHECKBUTTON_ID_BD_VOODOO_HURT_KILLS_PLAYER,
3860     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3861     GADGET_ID_BD_VOODOO_HURT_KILLS_PLAYER,      GADGET_ID_NONE,
3862     &level.bd_voodoo_hurt_kills_player,
3863     NULL, NULL,
3864     "Player is killed if hurt",                 "If hurt in any way, player is killed"
3865   },
3866   {
3867     ED_CHECKBUTTON_ID_BD_VOODOO_DIES_BY_ROCK,
3868     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
3869     GADGET_ID_BD_VOODOO_DIES_BY_ROCK,           GADGET_ID_NONE,
3870     &level.bd_voodoo_dies_by_rock,
3871     NULL, NULL,
3872     "Killed by falling rock",                   "Can be killed by a falling rock"
3873   },
3874   {
3875     ED_CHECKBUTTON_ID_BD_VOODOO_VANISH_BY_EXPLOSION,
3876     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
3877     GADGET_ID_BD_VOODOO_VANISH_BY_EXPLOSION,    GADGET_ID_NONE,
3878     &level.bd_voodoo_vanish_by_explosion,
3879     NULL, NULL,
3880     "Disappears in explosions",                 "Can be destroyed by explosions"
3881   },
3882   {
3883     ED_CHECKBUTTON_ID_BD_SLIME_IS_PREDICTABLE,
3884     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3885     GADGET_ID_BD_SLIME_IS_PREDICTABLE,          GADGET_ID_NONE,
3886     &level.bd_slime_is_predictable,
3887     NULL, NULL,
3888     "Slime is predictable",                     "Use predictable random numbers"
3889   },
3890   {
3891     ED_CHECKBUTTON_ID_BD_CHANGE_EXPANDING_WALL,
3892     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3893     GADGET_ID_BD_CHANGE_EXPANDING_WALL,         GADGET_ID_NONE,
3894     &level.bd_change_expanding_wall,
3895     NULL, NULL,
3896     "Change direction",                         "Switch horizontal/vertical direction"
3897   },
3898   {
3899     ED_CHECKBUTTON_ID_BD_REPLICATORS_ACTIVE,
3900     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3901     GADGET_ID_BD_REPLICATORS_ACTIVE,            GADGET_ID_NONE,
3902     &level.bd_replicators_active,
3903     NULL, NULL,
3904     "Active at start",                          "Replicators start in active state"
3905   },
3906   {
3907     ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_ACTIVE,
3908     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3909     GADGET_ID_BD_CONVEYOR_BELTS_ACTIVE,         GADGET_ID_NONE,
3910     &level.bd_conveyor_belts_active,
3911     NULL, NULL,
3912     "Active at start",                          "Conveyor belts start in active state"
3913   },
3914   {
3915     ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_CHANGED,
3916     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3917     GADGET_ID_BD_CONVEYOR_BELTS_CHANGED,        GADGET_ID_NONE,
3918     &level.bd_conveyor_belts_changed,
3919     NULL, NULL,
3920     "Change direction",                         "Switch conveyor belt direction"
3921   },
3922   {
3923     ED_CHECKBUTTON_ID_BD_WATER_CANNOT_FLOW_DOWN,
3924     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3925     GADGET_ID_BD_WATER_CANNOT_FLOW_DOWN,        GADGET_ID_NONE,
3926     &level.bd_water_cannot_flow_down,
3927     NULL, NULL,
3928     "Does not flow downwards",                  "Water can only flow up, left and right"
3929   },
3930   {
3931     ED_CHECKBUTTON_ID_BD_HAMMER_WALLS_REAPPEAR,
3932     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3933     GADGET_ID_BD_HAMMER_WALLS_REAPPEAR,         GADGET_ID_NONE,
3934     &level.bd_hammer_walls_reappear,
3935     NULL, NULL,
3936     "Hammered walls reappear",                  "Hammered walls reappear after delay"
3937   },
3938   {
3939     ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP,
3940     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3941     GADGET_ID_ENVELOPE_AUTOWRAP,                GADGET_ID_NONE,
3942     &level.envelope[0].autowrap,
3943     NULL, NULL,
3944     "Auto-wrap",                                "Automatically wrap envelope text"
3945   },
3946   {
3947     ED_CHECKBUTTON_ID_ENVELOPE_CENTERED,
3948     -1,                                         ED_ELEMENT_SETTINGS_YPOS(1),
3949     GADGET_ID_ENVELOPE_CENTERED,                GADGET_ID_ENVELOPE_AUTOWRAP,
3950     &level.envelope[0].centered,
3951     NULL, " ",
3952     "Centered",                                 "Automatically center envelope text"
3953   },
3954   {
3955     ED_CHECKBUTTON_ID_MM_LASER_RED,
3956     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3957     GADGET_ID_MM_LASER_RED,                     GADGET_ID_NONE,
3958     &level.mm_laser_red,
3959     "Choose color components for laser:", NULL,
3960     "Red",                                      "Use red color components in laser"
3961   },
3962   {
3963     ED_CHECKBUTTON_ID_MM_LASER_GREEN,
3964     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
3965     GADGET_ID_MM_LASER_GREEN,                   GADGET_ID_NONE,
3966     &level.mm_laser_green,
3967     NULL, NULL,
3968     "Green",                                    "Use green color components in laser"
3969   },
3970   {
3971     ED_CHECKBUTTON_ID_MM_LASER_BLUE,
3972     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
3973     GADGET_ID_MM_LASER_BLUE,                    GADGET_ID_NONE,
3974     &level.mm_laser_blue,
3975     NULL, NULL,
3976     "Blue",                                     "Use blue color components in laser"
3977   },
3978   {
3979     ED_CHECKBUTTON_ID_DF_LASER_RED,
3980     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3981     GADGET_ID_DF_LASER_RED,                     GADGET_ID_NONE,
3982     &level.df_laser_red,
3983     "Choose color components for laser:", NULL,
3984     "Red",                                      "Use red color components in laser"
3985   },
3986   {
3987     ED_CHECKBUTTON_ID_DF_LASER_GREEN,
3988     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
3989     GADGET_ID_DF_LASER_GREEN,                   GADGET_ID_NONE,
3990     &level.df_laser_green,
3991     NULL, NULL,
3992     "Green",                                    "Use green color components in laser"
3993   },
3994   {
3995     ED_CHECKBUTTON_ID_DF_LASER_BLUE,
3996     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
3997     GADGET_ID_DF_LASER_BLUE,                    GADGET_ID_NONE,
3998     &level.df_laser_blue,
3999     NULL, NULL,
4000     "Blue",                                     "Use blue color components in laser"
4001   },
4002   {
4003     ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT,
4004     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(5),
4005     GADGET_ID_ROTATE_MM_BALL_CONTENT,           GADGET_ID_NONE,
4006     &level.rotate_mm_ball_content,
4007     NULL, NULL,
4008     "Randomly rotate created content",          "Randomly rotate newly created content"
4009   },
4010   {
4011     ED_CHECKBUTTON_ID_EXPLODE_MM_BALL,
4012     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(6),
4013     GADGET_ID_EXPLODE_MM_BALL,                  GADGET_ID_NONE,
4014     &level.explode_mm_ball,
4015     NULL, NULL,
4016     "Explode ball instead of melting",          "Use explosion to release ball content"
4017   },
4018
4019   // ---------- element settings: configure 1 (custom elements) ---------------
4020
4021   {
4022     ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC,
4023     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4024     GADGET_ID_CUSTOM_USE_GRAPHIC,               GADGET_ID_NONE,
4025     &custom_element.use_gfx_element,
4026     NULL, NULL,
4027     "Use graphic of element:",                  "Use existing element graphic"
4028   },
4029   {
4030     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1,
4031     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(14),
4032     GADGET_ID_CUSTOM_USE_TEMPLATE_1,            GADGET_ID_NONE,
4033     &level.use_custom_template,
4034     NULL, NULL,
4035     "Use template",                             "Use template for custom properties"
4036   },
4037   {
4038     ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE,
4039     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
4040     GADGET_ID_CUSTOM_ACCESSIBLE,                GADGET_ID_NONE,
4041     &custom_element_properties[EP_ACCESSIBLE],
4042     NULL, NULL,
4043     NULL,                                       "Player can walk to or pass this field"
4044   },
4045   {
4046     ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE,
4047     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(9),
4048     GADGET_ID_CUSTOM_GRAV_REACHABLE,            GADGET_ID_NONE,
4049     &custom_element_properties[EP_GRAVITY_REACHABLE],
4050     NULL, NULL,
4051     "Reachable despite gravity",                "Player can walk/dig despite gravity"
4052   },
4053   {
4054     ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE,
4055     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(11),
4056     GADGET_ID_CUSTOM_USE_LAST_VALUE,            GADGET_ID_NONE,
4057     &custom_element.use_last_ce_value,
4058     NULL, NULL,
4059     "Use last CE value after change",           "Use last CE value after change"
4060   },
4061   {
4062     ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT,
4063     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
4064     GADGET_ID_CUSTOM_WALK_TO_OBJECT,            GADGET_ID_NONE,
4065     &custom_element_properties[EP_WALK_TO_OBJECT],
4066     NULL, NULL,
4067     NULL,                                       "Player can dig/collect/push element"
4068   },
4069   {
4070     ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE,
4071     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(8),
4072     GADGET_ID_CUSTOM_INDESTRUCTIBLE,            GADGET_ID_NONE,
4073     &custom_element_properties[EP_INDESTRUCTIBLE],
4074     NULL, NULL,
4075     "Indestructible",                           "Element is indestructible"
4076   },
4077
4078   // ---------- element settings: configure 2 (custom elements) ---------------
4079
4080   {
4081     ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE,
4082     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4083     GADGET_ID_CUSTOM_CAN_MOVE,                  GADGET_ID_NONE,
4084     &custom_element_properties[EP_CAN_MOVE],
4085     NULL, NULL,
4086     NULL,                                       "Element can move with some pattern"
4087   },
4088   {
4089     ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL,
4090     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(8),
4091     GADGET_ID_CUSTOM_CAN_FALL,                  GADGET_ID_NONE,
4092     &custom_element_properties[EP_CAN_FALL],
4093     NULL, NULL,
4094     "Can fall",                                 "Element can fall down"
4095   },
4096   {
4097     ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH,
4098     -1,                                         ED_ELEMENT_SETTINGS_YPOS(8),
4099     GADGET_ID_CUSTOM_CAN_SMASH,                 GADGET_ID_CUSTOM_CAN_FALL,
4100     &custom_element_properties[EP_CAN_SMASH],
4101     NULL, " ",
4102     NULL,                                       "Element can smash other elements"
4103   },
4104   {
4105     ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY,
4106     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(9),
4107     GADGET_ID_CUSTOM_SLIPPERY,                  GADGET_ID_NONE,
4108     &custom_element_properties[EP_SLIPPERY],
4109     NULL, NULL,
4110     NULL,                                       "Other elements can fall down from it"
4111   },
4112   {
4113     ED_CHECKBUTTON_ID_CUSTOM_DEADLY,
4114     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(10),
4115     GADGET_ID_CUSTOM_DEADLY,                    GADGET_ID_NONE,
4116     &custom_element_properties[EP_DEADLY],
4117     NULL, NULL,
4118     NULL,                                       "Element can kill the player"
4119   },
4120   {
4121     ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE,
4122     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(11),
4123     GADGET_ID_CUSTOM_CAN_EXPLODE,               GADGET_ID_NONE,
4124     &custom_element_properties[EP_CAN_EXPLODE],
4125     NULL, NULL,
4126     NULL,                                       "Element can explode"
4127   },
4128   {
4129     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE,
4130     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(12),
4131     GADGET_ID_CUSTOM_EXPLODE_FIRE,              GADGET_ID_NONE,
4132     &custom_element_properties[EP_EXPLODES_BY_FIRE],
4133     NULL, NULL,
4134     "By fire",                                  "Element can explode by fire/explosion"
4135   },
4136   {
4137     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH,
4138     -1,                                         ED_ELEMENT_SETTINGS_YPOS(12),
4139     GADGET_ID_CUSTOM_EXPLODE_SMASH,             GADGET_ID_CUSTOM_EXPLODE_FIRE,
4140     &custom_element_properties[EP_EXPLODES_SMASHED],
4141     NULL, " ",
4142     "Smashed",                                  "Element can explode when smashed"
4143   },
4144   {
4145     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT,
4146     -1,                                         ED_ELEMENT_SETTINGS_YPOS(12),
4147     GADGET_ID_CUSTOM_EXPLODE_IMPACT,            GADGET_ID_CUSTOM_EXPLODE_SMASH,
4148     &custom_element_properties[EP_EXPLODES_IMPACT],
4149     NULL, " ",
4150     "Impact",                                   "Element can explode on impact"
4151   },
4152
4153   // ---------- element settings: advanced (custom elements) ------------------
4154
4155   {
4156     ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE,
4157     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4158     GADGET_ID_CUSTOM_CAN_CHANGE,                GADGET_ID_NONE,
4159     &custom_element_change.can_change,
4160     NULL, NULL,
4161     "Element changes to:",                      "Change element on specified condition"
4162   },
4163   {
4164     ED_CHECKBUTTON_ID_CHANGE_DELAY,
4165     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(2),
4166     GADGET_ID_CHANGE_DELAY,                     GADGET_ID_NONE,
4167     &custom_element_change_events[CE_DELAY],
4168     NULL, NULL,
4169     NULL,                                       "Element changes after delay"
4170   },
4171   {
4172     ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT,
4173     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(4),
4174     GADGET_ID_CHANGE_BY_DIRECT_ACT,             GADGET_ID_NONE,
4175     &custom_element_change_events[CE_BY_DIRECT_ACTION],
4176     NULL, NULL,
4177     NULL,                                       "Element changes by direct action"
4178   },
4179   {
4180     ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT,
4181     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(5),
4182     GADGET_ID_CHANGE_BY_OTHER_ACT,              GADGET_ID_NONE,
4183     &custom_element_change_events[CE_BY_OTHER_ACTION],
4184     NULL, NULL,
4185     NULL,                                       "Element changes by other element"
4186   },
4187   {
4188     ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION,
4189     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(8),
4190     GADGET_ID_CHANGE_USE_EXPLOSION,             GADGET_ID_NONE,
4191     &custom_element_change.explode,
4192     NULL, NULL,
4193     "Explode instead of change",                "Element explodes instead of change"
4194   },
4195   {
4196     ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT,
4197     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(9),
4198     GADGET_ID_CHANGE_USE_CONTENT,               GADGET_ID_NONE,
4199     &custom_element_change.use_target_content,
4200     NULL, NULL,
4201     "Use extended change target:",              "Element changes to more elements"
4202   },
4203   {
4204     ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE,
4205     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(11),
4206     GADGET_ID_CHANGE_ONLY_COMPLETE,             GADGET_ID_NONE,
4207     &custom_element_change.only_if_complete,
4208     NULL, NULL,
4209     "Replace all or nothing",                   "Only replace when all can be changed"
4210   },
4211   {
4212     ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM,
4213     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(12),
4214     GADGET_ID_CHANGE_USE_RANDOM,                GADGET_ID_NONE,
4215     &custom_element_change.use_random_replace,
4216     NULL, NULL,
4217     NULL,                                       "Use percentage for random replace"
4218   },
4219   {
4220     ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION,
4221     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(13),
4222     GADGET_ID_CHANGE_HAS_ACTION,                GADGET_ID_NONE,
4223     &custom_element_change.has_action,
4224     NULL, NULL,
4225     NULL,                                       "Execute action on specified condition"
4226   },
4227 };
4228
4229 static struct
4230 {
4231   int gadget_type_id;
4232   int x, y;
4233   int xoffset, yoffset;
4234   int gadget_id;
4235   int gadget_id_align;
4236   int *value;
4237   int area_xsize, area_ysize;
4238   char *text_left, *text_right, *text_above, *text_below, *infotext;
4239 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
4240 {
4241   // ---------- level playfield content ---------------------------------------
4242
4243   {
4244     ED_DRAWING_ID_DRAWING_LEVEL,
4245     0,                                          0,
4246     0,                                          0,
4247     GADGET_ID_DRAWING_LEVEL,                    GADGET_ID_NONE,
4248     NULL,
4249     -1, -1,     // these values are not constant, but can change at runtime
4250     NULL, NULL, NULL, NULL,                     NULL
4251   },
4252
4253   // ---------- yam yam content -----------------------------------------------
4254
4255   {
4256     ED_DRAWING_ID_YAMYAM_CONTENT_0,
4257     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4258     ED_AREA_YAMYAM_CONTENT_XOFF(0),             ED_AREA_YAMYAM_CONTENT_YOFF(0),
4259     GADGET_ID_YAMYAM_CONTENT_0,                 GADGET_ID_NONE,
4260     &level.yamyam_content[0].e[0][0],           3, 3,
4261     NULL, NULL, NULL, "1",                      NULL
4262   },
4263   {
4264     ED_DRAWING_ID_YAMYAM_CONTENT_1,
4265     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4266     ED_AREA_YAMYAM_CONTENT_XOFF(1),             ED_AREA_YAMYAM_CONTENT_YOFF(1),
4267     GADGET_ID_YAMYAM_CONTENT_1,                 GADGET_ID_NONE,
4268     &level.yamyam_content[1].e[0][0],           3, 3,
4269     NULL, NULL, NULL, "2",                      NULL
4270   },
4271   {
4272     ED_DRAWING_ID_YAMYAM_CONTENT_2,
4273     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4274     ED_AREA_YAMYAM_CONTENT_XOFF(2),             ED_AREA_YAMYAM_CONTENT_YOFF(2),
4275     GADGET_ID_YAMYAM_CONTENT_2,                 GADGET_ID_NONE,
4276     &level.yamyam_content[2].e[0][0],           3, 3,
4277     NULL, NULL, NULL, "3",                      NULL
4278   },
4279   {
4280     ED_DRAWING_ID_YAMYAM_CONTENT_3,
4281     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4282     ED_AREA_YAMYAM_CONTENT_XOFF(3),             ED_AREA_YAMYAM_CONTENT_YOFF(3),
4283     GADGET_ID_YAMYAM_CONTENT_3,                 GADGET_ID_NONE,
4284     &level.yamyam_content[3].e[0][0],           3, 3,
4285     NULL, NULL, NULL, "4",                      NULL
4286   },
4287   {
4288     ED_DRAWING_ID_YAMYAM_CONTENT_4,
4289     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4290     ED_AREA_YAMYAM_CONTENT_XOFF(4),             ED_AREA_YAMYAM_CONTENT_YOFF(4),
4291     GADGET_ID_YAMYAM_CONTENT_4,                 GADGET_ID_NONE,
4292     &level.yamyam_content[4].e[0][0],           3, 3,
4293     NULL, NULL, NULL, "5",                      NULL
4294   },
4295   {
4296     ED_DRAWING_ID_YAMYAM_CONTENT_5,
4297     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4298     ED_AREA_YAMYAM_CONTENT_XOFF(5),             ED_AREA_YAMYAM_CONTENT_YOFF(5),
4299     GADGET_ID_YAMYAM_CONTENT_5,                 GADGET_ID_NONE,
4300     &level.yamyam_content[5].e[0][0],           3, 3,
4301     NULL, NULL, NULL, "6",                      NULL
4302   },
4303   {
4304     ED_DRAWING_ID_YAMYAM_CONTENT_6,
4305     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4306     ED_AREA_YAMYAM_CONTENT_XOFF(6),             ED_AREA_YAMYAM_CONTENT_YOFF(6),
4307     GADGET_ID_YAMYAM_CONTENT_6,                 GADGET_ID_NONE,
4308     &level.yamyam_content[6].e[0][0],           3, 3,
4309     NULL, NULL, NULL, "7",                      NULL
4310   },
4311   {
4312     ED_DRAWING_ID_YAMYAM_CONTENT_7,
4313     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4314     ED_AREA_YAMYAM_CONTENT_XOFF(7),             ED_AREA_YAMYAM_CONTENT_YOFF(7),
4315     GADGET_ID_YAMYAM_CONTENT_7,                 GADGET_ID_NONE,
4316     &level.yamyam_content[7].e[0][0],           3, 3,
4317     NULL, NULL, NULL, "8",                      NULL
4318   },
4319
4320   // ---------- magic ball content --------------------------------------------
4321
4322   {
4323     ED_DRAWING_ID_MAGIC_BALL_CONTENT_0,
4324     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4325     ED_AREA_MAGIC_BALL_CONTENT_XOFF(0),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(0),
4326     GADGET_ID_MAGIC_BALL_CONTENT_0,             GADGET_ID_NONE,
4327     &level.ball_content[0].e[0][0],             3, 3,
4328     NULL, NULL, NULL, "1",                      NULL
4329   },
4330   {
4331     ED_DRAWING_ID_MAGIC_BALL_CONTENT_1,
4332     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4333     ED_AREA_MAGIC_BALL_CONTENT_XOFF(1),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(1),
4334     GADGET_ID_MAGIC_BALL_CONTENT_1,             GADGET_ID_NONE,
4335     &level.ball_content[1].e[0][0],             3, 3,
4336     NULL, NULL, NULL, "2",                      NULL
4337   },
4338   {
4339     ED_DRAWING_ID_MAGIC_BALL_CONTENT_2,
4340     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4341     ED_AREA_MAGIC_BALL_CONTENT_XOFF(2),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(2),
4342     GADGET_ID_MAGIC_BALL_CONTENT_2,             GADGET_ID_NONE,
4343     &level.ball_content[2].e[0][0],             3, 3,
4344     NULL, NULL, NULL, "3",                      NULL
4345   },
4346   {
4347     ED_DRAWING_ID_MAGIC_BALL_CONTENT_3,
4348     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4349     ED_AREA_MAGIC_BALL_CONTENT_XOFF(3),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(3),
4350     GADGET_ID_MAGIC_BALL_CONTENT_3,             GADGET_ID_NONE,
4351     &level.ball_content[3].e[0][0],             3, 3,
4352     NULL, NULL, NULL, "4",                      NULL
4353   },
4354   {
4355     ED_DRAWING_ID_MAGIC_BALL_CONTENT_4,
4356     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4357     ED_AREA_MAGIC_BALL_CONTENT_XOFF(4),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(4),
4358     GADGET_ID_MAGIC_BALL_CONTENT_4,             GADGET_ID_NONE,
4359     &level.ball_content[4].e[0][0],             3, 3,
4360     NULL, NULL, NULL, "5",                      NULL
4361   },
4362   {
4363     ED_DRAWING_ID_MAGIC_BALL_CONTENT_5,
4364     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4365     ED_AREA_MAGIC_BALL_CONTENT_XOFF(5),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(5),
4366     GADGET_ID_MAGIC_BALL_CONTENT_5,             GADGET_ID_NONE,
4367     &level.ball_content[5].e[0][0],             3, 3,
4368     NULL, NULL, NULL, "6",                      NULL
4369   },
4370   {
4371     ED_DRAWING_ID_MAGIC_BALL_CONTENT_6,
4372     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4373     ED_AREA_MAGIC_BALL_CONTENT_XOFF(6),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(6),
4374     GADGET_ID_MAGIC_BALL_CONTENT_6,             GADGET_ID_NONE,
4375     &level.ball_content[6].e[0][0],             3, 3,
4376     NULL, NULL, NULL, "7",                      NULL
4377   },
4378   {
4379     ED_DRAWING_ID_MAGIC_BALL_CONTENT_7,
4380     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4381     ED_AREA_MAGIC_BALL_CONTENT_XOFF(7),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(7),
4382     GADGET_ID_MAGIC_BALL_CONTENT_7,             GADGET_ID_NONE,
4383     &level.ball_content[7].e[0][0],             3, 3,
4384     NULL, NULL, NULL, "8",                      NULL
4385   },
4386
4387   // ---------- android content -----------------------------------------------
4388
4389   {
4390     ED_DRAWING_ID_ANDROID_CONTENT,
4391     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(6),
4392     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4393     GADGET_ID_ANDROID_CONTENT,                  GADGET_ID_NONE,
4394     &level.android_clone_element[0],            MAX_ANDROID_ELEMENTS, 1,
4395     NULL, NULL, "Elements:", NULL,              "Elements android can clone"
4396   },
4397
4398   // ---------- amoeba content ------------------------------------------------
4399
4400   {
4401     ED_DRAWING_ID_AMOEBA_CONTENT,
4402     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(3),
4403     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4404     GADGET_ID_AMOEBA_CONTENT,                   GADGET_ID_NONE,
4405     &level.amoeba_content,                      1, 1,
4406     "Content:", NULL, NULL, NULL,               "Amoeba content"
4407   },
4408
4409   // ---------- BD snap element -----------------------------------------------
4410
4411   {
4412     ED_DRAWING_ID_BD_SNAP_ELEMENT,
4413     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(5),
4414     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4415     GADGET_ID_BD_SNAP_ELEMENT,                  GADGET_ID_NONE,
4416     &level.bd_snap_element,                     1, 1,
4417     "Snap element:", NULL, NULL, NULL,          "Element created when snapping"
4418   },
4419
4420   // ---------- BD magic wall elements ----------------------------------------
4421
4422   {
4423     ED_DRAWING_ID_BD_MAGIC_WALL_DIAMOND_TO,
4424     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(4),
4425     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4426     GADGET_ID_BD_MAGIC_WALL_DIAMOND_TO,         GADGET_ID_NONE,
4427     &level.bd_magic_wall_diamond_to,            1, 1,
4428     "Changes diamonds to:", NULL, NULL, NULL,   "Element to turn diamonds to"
4429   },
4430   {
4431     ED_DRAWING_ID_BD_MAGIC_WALL_ROCK_TO,
4432     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(5),
4433     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4434     GADGET_ID_BD_MAGIC_WALL_ROCK_TO,            GADGET_ID_NONE,
4435     &level.bd_magic_wall_rock_to,               1, 1,
4436     "Changes rocks to:", NULL, NULL, NULL,      "Element to turn rocks to"
4437   },
4438   {
4439     ED_DRAWING_ID_BD_MAGIC_WALL_MEGA_ROCK_TO,
4440     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(6),
4441     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4442     GADGET_ID_BD_MAGIC_WALL_MEGA_ROCK_TO,       GADGET_ID_NONE,
4443     &level.bd_magic_wall_mega_rock_to,          1, 1,
4444     "Changes mega rocks to:", NULL, NULL, NULL, "Element to turn mega rocks to"
4445   },
4446   {
4447     ED_DRAWING_ID_BD_MAGIC_WALL_NUT_TO,
4448     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(7),
4449     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4450     GADGET_ID_BD_MAGIC_WALL_NUT_TO,             GADGET_ID_NONE,
4451     &level.bd_magic_wall_nut_to,                1, 1,
4452     "Changes nuts to:", NULL, NULL, NULL,       "Element to turn nuts to"
4453   },
4454   {
4455     ED_DRAWING_ID_BD_MAGIC_WALL_NITRO_PACK_TO,
4456     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(8),
4457     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4458     GADGET_ID_BD_MAGIC_WALL_NITRO_PACK_TO,      GADGET_ID_NONE,
4459     &level.bd_magic_wall_nitro_pack_to,         1, 1,
4460     "Changes nitro packs to:", NULL, NULL, NULL, "Element to turn nitro packs to"
4461   },
4462   {
4463     ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_DIAMOND_TO,
4464     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(9),
4465     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4466     GADGET_ID_BD_MAGIC_WALL_FLYING_DIAMOND_TO,  GADGET_ID_NONE,
4467     &level.bd_magic_wall_flying_diamond_to,     1, 1,
4468     "Changes flying diamonds to:", NULL, NULL, NULL, "Element to turn flying diamonds to"
4469   },
4470   {
4471     ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_ROCK_TO,
4472     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(10),
4473     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4474     GADGET_ID_BD_MAGIC_WALL_FLYING_ROCK_TO,     GADGET_ID_NONE,
4475     &level.bd_magic_wall_flying_rock_to,        1, 1,
4476     "Changes flying rocks to:", NULL, NULL, NULL, "Element to turn flying rocks to"
4477   },
4478
4479   // ---------- BD amoeba content ---------------------------------------------
4480
4481   {
4482     ED_DRAWING_ID_BD_AMOEBA_CONTENT_TOO_BIG,
4483     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(7),
4484     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4485     GADGET_ID_BD_AMOEBA_CONTENT_TOO_BIG,        GADGET_ID_NONE,
4486     &level.bd_amoeba_content_too_big,           1, 1,
4487     "If too big, changes to:", NULL, NULL, NULL, "BD amoeba content if too big"
4488   },
4489   {
4490     ED_DRAWING_ID_BD_AMOEBA_CONTENT_ENCLOSED,
4491     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(8),
4492     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4493     GADGET_ID_BD_AMOEBA_CONTENT_ENCLOSED,       GADGET_ID_NONE,
4494     &level.bd_amoeba_content_enclosed,          1, 1,
4495     "If enclosed, changes to:", NULL, NULL, NULL, "BD amoeba content if enclosed"
4496   },
4497
4498   // ---------- BD amoeba 2 content -------------------------------------------
4499
4500   {
4501     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_TOO_BIG,
4502     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(7),
4503     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4504     GADGET_ID_BD_AMOEBA_2_CONTENT_TOO_BIG,      GADGET_ID_NONE,
4505     &level.bd_amoeba_2_content_too_big,         1, 1,
4506     "If too big, changes to:", NULL, NULL, NULL, "BD amoeba 2 content if too big"
4507   },
4508   {
4509     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_ENCLOSED,
4510     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(8),
4511     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4512     GADGET_ID_BD_AMOEBA_2_CONTENT_ENCLOSED,     GADGET_ID_NONE,
4513     &level.bd_amoeba_2_content_enclosed,        1, 1,
4514     "If enclosed, changes to:", NULL, NULL, NULL, "BD amoeba 2 content if enclosed"
4515   },
4516   {
4517     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_EXPLODING,
4518     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(10),
4519     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4520     GADGET_ID_BD_AMOEBA_2_CONTENT_EXPLODING,    GADGET_ID_NONE,
4521     &level.bd_amoeba_2_content_exploding,       1, 1,
4522     "If exploding, changes to:", NULL, NULL, NULL, "BD amoeba 2 content if exploding"
4523   },
4524   {
4525     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,
4526     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(11),
4527     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4528     GADGET_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,   GADGET_ID_NONE,
4529     &level.bd_amoeba_2_content_looks_like,      1, 1,
4530     "Use graphic of element:", NULL, NULL, NULL, "BD amoeba 2 looks like this element"
4531   },
4532   {
4533     ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_1,
4534     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(5),
4535     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4536     GADGET_ID_BD_SLIME_EATS_ELEMENT_1,          GADGET_ID_NONE,
4537     &level.bd_slime_eats_element_1,             1, 1,
4538     "Can eat:", NULL, NULL, NULL,               "Element that can be eaten"
4539   },
4540   {
4541     ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_1,
4542     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(5),
4543     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4544     GADGET_ID_BD_SLIME_CONVERTS_TO_ELEMENT_1,   GADGET_ID_BD_SLIME_EATS_ELEMENT_1,
4545     &level.bd_slime_converts_to_element_1,      1, 1,
4546     " and convert to:", NULL, NULL, NULL,       "Eaten element is converted to"
4547   },
4548   {
4549     ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_2,
4550     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(6),
4551     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4552     GADGET_ID_BD_SLIME_EATS_ELEMENT_2,          GADGET_ID_NONE,
4553     &level.bd_slime_eats_element_2,             1, 1,
4554     "Can eat:", NULL, NULL, NULL,               "Element that can be eaten"
4555   },
4556   {
4557     ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_2,
4558     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(6),
4559     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4560     GADGET_ID_BD_SLIME_CONVERTS_TO_ELEMENT_2,   GADGET_ID_BD_SLIME_EATS_ELEMENT_2,
4561     &level.bd_slime_converts_to_element_2,      1, 1,
4562     " and convert to:", NULL, NULL, NULL,       "Eaten element is converted to"
4563   },
4564   {
4565     ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_3,
4566     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(7),
4567     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4568     GADGET_ID_BD_SLIME_EATS_ELEMENT_3,          GADGET_ID_NONE,
4569     &level.bd_slime_eats_element_3,             1, 1,
4570     "Can eat:", NULL, NULL, NULL,               "Element that can be eaten"
4571   },
4572   {
4573     ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_3,
4574     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(7),
4575     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4576     GADGET_ID_BD_SLIME_CONVERTS_TO_ELEMENT_3,   GADGET_ID_BD_SLIME_EATS_ELEMENT_3,
4577     &level.bd_slime_converts_to_element_3,      1, 1,
4578     " and convert to:", NULL, NULL, NULL,       "Eaten element is converted to"
4579   },
4580   {
4581     ED_DRAWING_ID_BD_ACID_EATS_ELEMENT,
4582     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(1),
4583     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4584     GADGET_ID_BD_ACID_EATS_ELEMENT,             GADGET_ID_NONE,
4585     &level.bd_acid_eats_element,                1, 1,
4586     "Can eat:", NULL, NULL, NULL,               "Eats this element when spreading"
4587   },
4588   {
4589     ED_DRAWING_ID_BD_ACID_TURNS_TO_ELEMENT,
4590     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(3),
4591     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4592     GADGET_ID_BD_ACID_TURNS_TO_ELEMENT,         GADGET_ID_NONE,
4593     &level.bd_acid_turns_to_element,            1, 1,
4594     "Can leave behind:", NULL, NULL, NULL,      "Turns to this element after spreading"
4595   },
4596   {
4597     ED_DRAWING_ID_BD_BITER_EATS_ELEMENT,
4598     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(2),
4599     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4600     GADGET_ID_BD_BITER_EATS_ELEMENT,            GADGET_ID_NONE,
4601     &level.bd_biter_eats_element,               1, 1,
4602     "Can eat:", NULL, NULL, NULL,               "Eats this element when moving"
4603   },
4604   {
4605     ED_DRAWING_ID_BD_BLADDER_CONVERTS_BY_ELEMENT,
4606     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(1),
4607     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4608     GADGET_ID_BD_BLADDER_CONVERTS_BY_ELEMENT,   GADGET_ID_NONE,
4609     &level.bd_bladder_converts_by_element,      1, 1,
4610     "Turns to clock by touching:", NULL, NULL, NULL, "Turns to clock by touching element"
4611   },
4612   {
4613     ED_DRAWING_ID_BD_NUT_CONTENT,
4614     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(1),
4615     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4616     GADGET_ID_BD_NUT_CONTENT,                   GADGET_ID_NONE,
4617     &level.bd_nut_content,                      1, 1,
4618     "When breaking, changes to:", NULL, NULL, NULL, "Element created when breaking nut"
4619   },
4620   {
4621     ED_DRAWING_ID_BD_EXPANDING_WALL_LOOKS_LIKE,
4622     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(1),
4623     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4624     GADGET_ID_BD_EXPANDING_WALL_LOOKS_LIKE,     GADGET_ID_NONE,
4625     &level.bd_expanding_wall_looks_like,        1, 1,
4626     "Use graphic of element:", NULL, NULL, NULL, "Expanding wall looks like this element"
4627   },
4628   {
4629     ED_DRAWING_ID_BD_SAND_LOOKS_LIKE,
4630     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(0),
4631     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4632     GADGET_ID_BD_SAND_LOOKS_LIKE,               GADGET_ID_NONE,
4633     &level.bd_sand_looks_like,                  1, 1,
4634     "Use graphic of element:", NULL, NULL, NULL, "Sand looks like this element"
4635   },
4636
4637   // ---------- level start element -------------------------------------------
4638
4639   {
4640     ED_DRAWING_ID_START_ELEMENT,
4641     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(10),
4642     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
4643     GADGET_ID_START_ELEMENT,                    GADGET_ID_USE_START_ELEMENT,
4644     &level.start_element[0],                    1, 1,
4645     NULL, NULL, NULL, NULL,                     "Level start element"
4646   },
4647
4648   // ---------- player artwork element ----------------------------------------
4649
4650   {
4651     ED_DRAWING_ID_ARTWORK_ELEMENT,
4652     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(11),
4653     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
4654     GADGET_ID_ARTWORK_ELEMENT,                  GADGET_ID_USE_ARTWORK_ELEMENT,
4655     &level.artwork_element[0],                  1, 1,
4656     NULL, NULL, NULL, NULL,                     "Element for player artwork"
4657   },
4658
4659   // ---------- player explosion element --------------------------------------
4660
4661   {
4662     ED_DRAWING_ID_EXPLOSION_ELEMENT,
4663     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(12),
4664     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
4665     GADGET_ID_EXPLOSION_ELEMENT,                GADGET_ID_USE_EXPLOSION_ELEMENT,
4666     &level.explosion_element[0],                1, 1,
4667     NULL, NULL, NULL, NULL,                     "Element for player explosion"
4668   },
4669
4670   // ---------- player initial inventory --------------------------------------
4671
4672   {
4673     ED_DRAWING_ID_INVENTORY_CONTENT,
4674     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(1),
4675     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
4676     GADGET_ID_INVENTORY_CONTENT,                GADGET_ID_USE_INITIAL_INVENTORY,
4677     &level.initial_inventory_content[0][0],     MAX_INITIAL_INVENTORY_SIZE, 1,
4678     NULL, NULL, NULL, NULL,                     "Content for initial inventory"
4679   },
4680
4681   // ---------- gray ball content -----------------------------------------
4682
4683   {
4684     ED_DRAWING_ID_MM_BALL_CONTENT,
4685     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(2),
4686     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4687     GADGET_ID_MM_BALL_CONTENT,                  GADGET_ID_NONE,
4688     &level.mm_ball_content[0],                  MAX_MM_BALL_CONTENTS, 1,
4689     "Content:", NULL, NULL, NULL,               "Content for gray ball"
4690   },
4691
4692   // ---------- element settings: configure 1 (custom elements) ---------------
4693
4694   // ---------- custom graphic ------------------------------------------------
4695
4696   {
4697     ED_DRAWING_ID_CUSTOM_GRAPHIC,
4698     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(1),
4699     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
4700     GADGET_ID_CUSTOM_GRAPHIC,                   GADGET_ID_CUSTOM_USE_GRAPHIC,
4701     &custom_element.gfx_element_initial,        1, 1,
4702     NULL, NULL, NULL, NULL,                     "Custom graphic element"
4703   },
4704
4705   // ---------- element settings: configure 2 (custom elements) ---------------
4706
4707   // ---------- custom content (when exploding) -------------------------------
4708
4709   {
4710     ED_DRAWING_ID_CUSTOM_CONTENT,
4711     -1,                                         ED_AREA_3X3_SETTINGS_YPOS(11),
4712     0,                                          ED_AREA_3X3_SETTINGS_YOFF,
4713     GADGET_ID_CUSTOM_CONTENT,                   GADGET_ID_NONE,         // align three rows
4714     &custom_element.content.e[0][0],            3, 3,
4715     "Content:", NULL, NULL, NULL,               NULL
4716   },
4717
4718   // ---------- custom enter and leave element (when moving) ------------------
4719
4720   {
4721     ED_DRAWING_ID_CUSTOM_MOVE_ENTER,
4722     ED_AREA_1X1_SETTINGS_XPOS(1),               ED_AREA_1X1_SETTINGS_YPOS(3),
4723     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4724     GADGET_ID_CUSTOM_MOVE_ENTER,                GADGET_ID_NONE,
4725     &custom_element.move_enter_element,         1, 1,
4726     "Can dig:", " ", NULL, NULL,                "Element that can be digged/collected"
4727   },
4728   {
4729     ED_DRAWING_ID_CUSTOM_MOVE_LEAVE,
4730     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(3),
4731     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
4732     GADGET_ID_CUSTOM_MOVE_LEAVE,                GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
4733     &custom_element.move_leave_element,         1, 1,
4734     NULL, NULL, NULL, NULL,                     "Element that will be left behind"
4735   },
4736
4737   // ---------- element settings: advanced (custom elements) ------------------
4738
4739   // ---------- custom change target ------------------------------------------
4740
4741   {
4742     ED_DRAWING_ID_CUSTOM_CHANGE_TARGET,
4743     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(1),
4744     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
4745     GADGET_ID_CUSTOM_CHANGE_TARGET,             GADGET_ID_CUSTOM_CAN_CHANGE,
4746     &custom_element_change.target_element,      1, 1,
4747     NULL, "after/when:", NULL, NULL,            "New target element after change"
4748   },
4749
4750   // ---------- custom change content (extended change target) ----------------
4751
4752   {
4753     ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT,
4754     -1,                                         ED_AREA_3X3_SETTINGS_YPOS(9),
4755     0,                                          ED_AREA_3X3_SETTINGS_YOFF,
4756     GADGET_ID_CUSTOM_CHANGE_CONTENT,            GADGET_ID_NONE,         // align three rows
4757     &custom_element_change.target_content.e[0][0], 3, 3,
4758     NULL, NULL, NULL, NULL,                     "New extended elements after change"
4759   },
4760
4761   // ---------- custom change trigger (element causing change) ----------------
4762
4763   {
4764     ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER,
4765     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(5),
4766     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
4767     GADGET_ID_CUSTOM_CHANGE_TRIGGER,            GADGET_ID_CHANGE_OTHER_ACTION,
4768     &custom_element_change.initial_trigger_element, 1, 1,
4769     NULL, NULL, NULL, NULL,                     "Other element triggering change"
4770   },
4771
4772   // ---------- custom change action (element used for action) ----------------
4773
4774   {
4775     ED_DRAWING_ID_CUSTOM_CHANGE_ACTION,
4776     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(13),
4777     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
4778     GADGET_ID_CUSTOM_CHANGE_ACTION,             GADGET_ID_ACTION_ARG,
4779     &custom_element_change.action_element,      1, 1,
4780     NULL, NULL, NULL, NULL,                     "Element used as action parameter"
4781   },
4782
4783   // ---------- group element content -----------------------------------------
4784
4785   {
4786     ED_DRAWING_ID_GROUP_CONTENT,
4787     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(2),
4788     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4789     GADGET_ID_GROUP_CONTENT,                    GADGET_ID_NONE,
4790     &group_element_info.element[0],             MAX_ELEMENTS_IN_GROUP, 1,
4791     "Content:", NULL, NULL, NULL,               NULL
4792   },
4793
4794   // ---------- random background (for random painting) -----------------------
4795
4796   {
4797     ED_DRAWING_ID_RANDOM_BACKGROUND,
4798     -1,                                         ED_AREA_1X1_LSETTINGS_YPOS(1),
4799     0,                                          ED_AREA_1X1_LSETTINGS_YOFF,
4800     GADGET_ID_RANDOM_BACKGROUND,                GADGET_ID_RANDOM_RESTRICTED,
4801     &random_placement_background_element,       1, 1,
4802     NULL, NULL, NULL, NULL,                     "Random placement background"
4803   },
4804 };
4805
4806
4807 // ----------------------------------------------------------------------------
4808 // some internally used variables
4809 // ----------------------------------------------------------------------------
4810
4811 // maximal size of level editor drawing area
4812 static int MAX_ED_FIELDX, MAX_ED_FIELDY;
4813
4814 // actual size of level editor drawing area
4815 static int ed_fieldx, ed_fieldy;
4816
4817 // actual position of level editor drawing area in level playfield
4818 static int level_xpos = -1, level_ypos = -1;
4819
4820 // actual tile size used to display playfield drawing area
4821 static int ed_tilesize = DEFAULT_EDITOR_TILESIZE;
4822 static int ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
4823
4824 #define IN_ED_FIELD(x, y)       IN_FIELD(x, y, ed_fieldx, ed_fieldy)
4825
4826 // drawing elements on the three mouse buttons
4827 static int new_element1 = EL_WALL;
4828 static int new_element2 = EL_EMPTY;
4829 static int new_element3 = EL_SAND;
4830
4831 #define IS_VALID_BUTTON(button) (button >= 1 && button <= 3)
4832 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
4833                                 (button) == 2 ? new_element2 : \
4834                                 (button) == 3 ? new_element3 : EL_EMPTY)
4835
4836 #define BUTTON_TILE_SIZE(x)     ((x) >= TILESIZE ? TILESIZE : MINI_TILESIZE)
4837
4838 static int use_permanent_palette = TRUE;
4839
4840 #define PX              (use_permanent_palette ? DX : SX)
4841 #define PY              (use_permanent_palette ? DY : SY)
4842 #define PXSIZE          (use_permanent_palette ? DXSIZE : SXSIZE)
4843 #define PYSIZE          (use_permanent_palette ? DYSIZE : SYSIZE)
4844
4845 // forward declaration for internal use
4846 static void CopyBrushToCursor(int, int);
4847 static void DeleteBrushFromCursor(void);
4848 static void ModifyEditorCounterValue(int, int);
4849 static void ModifyEditorCounterLimits(int, int, int);
4850 static void ModifyEditorSelectboxValue(int, int);
4851 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
4852 static void ModifyEditorDrawingArea(int, int, int);
4853 static void ModifyEditorElementList(void);
4854 static void AdjustElementListScrollbar(void);
4855 static void RedrawDrawingElements(void);
4856 static void DrawDrawingWindowExt(boolean);
4857 static void DrawDrawingWindow(void);
4858 static void DrawLevelConfigWindow(void);
4859 static void DrawPropertiesWindow(void);
4860 static void DrawPaletteWindow(void);
4861 static void UpdateCustomElementGraphicGadgets(void);
4862 static boolean checkPropertiesConfig(int);
4863 static void SetAutomaticNumberOfGemsNeeded(void);
4864 static void ClearEditorGadgetInfoText(void);
4865 static void CopyLevelToUndoBuffer(int);
4866 static void HandleDrawingAreas(struct GadgetInfo *);
4867 static void HandleCounterButtons(struct GadgetInfo *);
4868 static void HandleTextInputGadgets(struct GadgetInfo *);
4869 static void HandleTextAreaGadgets(struct GadgetInfo *);
4870 static void HandleSelectboxGadgets(struct GadgetInfo *);
4871 static void HandleTextbuttonGadgets(struct GadgetInfo *);
4872 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
4873 static void HandleRadiobuttons(struct GadgetInfo *);
4874 static void HandleCheckbuttons(struct GadgetInfo *);
4875 static void HandleControlButtons(struct GadgetInfo *);
4876 static void HandleDrawingAreaInfo(struct GadgetInfo *);
4877 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
4878 static boolean AskToCopyAndModifyLevelTemplate(void);
4879 static boolean getDrawModeHiRes(void);
4880 static int getTabulatorBarWidth(void);
4881 static int getTabulatorBarHeight(void);
4882 static Pixel getTabulatorBarColor(void);
4883 static void getEditorGraphicAndFrame(int, int *, int *, boolean);
4884 static int numHiresTiles(int);
4885
4886 static int num_editor_gadgets = 0;      // dynamically determined
4887
4888 static struct GadgetInfo **level_editor_gadget = NULL;
4889 static int *right_gadget_border = NULL;
4890
4891 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
4892 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
4893 static boolean draw_with_brush = FALSE;
4894 static int properties_element = 0;
4895
4896 static short TileBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
4897 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
4898 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
4899 static int undo_buffer_position = 0;
4900 static int undo_buffer_steps = 0;
4901 static int redo_buffer_steps = 0;
4902
4903 static int edit_mode;
4904 static int edit_mode_levelconfig;
4905 static int edit_mode_properties;
4906
4907 static int element_shift = 0;
4908
4909 static int editor_el_players[] =
4910 {
4911   EL_PLAYER_1,
4912   EL_PLAYER_2,
4913   EL_PLAYER_3,
4914   EL_PLAYER_4
4915 };
4916 static int *editor_el_players_ptr = editor_el_players;
4917 static int num_editor_el_players = ARRAY_SIZE(editor_el_players);
4918
4919 static int editor_hl_boulderdash[] =
4920 {
4921   EL_INTERNAL_CASCADE_BD_ACTIVE,
4922   EL_CHAR('B'),
4923   EL_CHAR('D'),
4924   EL_EMPTY,
4925 };
4926
4927 static int editor_el_boulderdash[] =
4928 {
4929   EL_EMPTY,
4930   EL_SAND,
4931   EL_BD_ROCK,
4932   EL_BD_DIAMOND,
4933
4934   EL_STEELWALL,
4935   EL_BD_WALL,
4936   EL_BD_EXPANDABLE_WALL,
4937   EL_BD_MAGIC_WALL,
4938
4939   EL_BD_AMOEBA,
4940   EL_BD_BUTTERFLY_UP,
4941   EL_BD_FIREFLY_UP,
4942   EL_EXIT_CLOSED,
4943
4944   EL_BD_BUTTERFLY_LEFT,
4945   EL_BD_FIREFLY_LEFT,
4946   EL_BD_BUTTERFLY_RIGHT,
4947   EL_BD_FIREFLY_RIGHT,
4948
4949   EL_EMPTY,
4950   EL_BD_BUTTERFLY_DOWN,
4951   EL_BD_FIREFLY_DOWN,
4952   EL_EXIT_OPEN,
4953 };
4954 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
4955 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
4956 static int num_editor_hl_boulderdash = ARRAY_SIZE(editor_hl_boulderdash);
4957 static int num_editor_el_boulderdash = ARRAY_SIZE(editor_el_boulderdash);
4958
4959 static int editor_hl_boulderdash_native[] =
4960 {
4961   EL_INTERNAL_CASCADE_BD_NATIVE_ACTIVE,
4962   EL_CHAR('B'),
4963   EL_CHAR('D'),
4964   EL_EMPTY,
4965 };
4966
4967 static int editor_el_boulderdash_native[] =
4968 {
4969   EL_EMPTY,
4970   EL_BD_SAND,
4971   EL_BD_ROCK,
4972   EL_BD_DIAMOND,
4973
4974   EL_BD_STEELWALL,
4975   EL_BD_WALL,
4976   EL_BD_SAND_2,
4977   EL_BD_MAGIC_WALL,
4978
4979   EL_BD_AMOEBA,
4980   EL_BD_BUTTERFLY_UP,
4981   EL_BD_FIREFLY_UP,
4982   EL_BD_EXIT_CLOSED,
4983
4984   EL_BD_BUTTERFLY_LEFT,
4985   EL_BD_FIREFLY_LEFT,
4986   EL_BD_BUTTERFLY_RIGHT,
4987   EL_BD_FIREFLY_RIGHT,
4988
4989   EL_BD_INBOX,
4990   EL_BD_BUTTERFLY_DOWN,
4991   EL_BD_FIREFLY_DOWN,
4992   EL_BD_EXIT_OPEN,
4993
4994   EL_BD_AMOEBA_2,
4995   EL_BD_BUTTERFLY_2_UP,
4996   EL_BD_FIREFLY_2_UP,
4997   EL_BD_SLIME,
4998
4999   EL_BD_BUTTERFLY_2_LEFT,
5000   EL_BD_FIREFLY_2_LEFT,
5001   EL_BD_BUTTERFLY_2_RIGHT,
5002   EL_BD_FIREFLY_2_RIGHT,
5003
5004   EL_BD_BOMB,
5005   EL_BD_BUTTERFLY_2_DOWN,
5006   EL_BD_FIREFLY_2_DOWN,
5007   EL_BD_FLYING_DIAMOND,
5008
5009   EL_BD_NITRO_PACK,
5010   EL_BD_DRAGONFLY_UP,
5011   EL_BD_STONEFLY_UP,
5012   EL_BD_DIAMOND_GLUED,
5013
5014   EL_BD_DRAGONFLY_LEFT,
5015   EL_BD_STONEFLY_LEFT,
5016   EL_BD_DRAGONFLY_RIGHT,
5017   EL_BD_STONEFLY_RIGHT,
5018
5019   EL_BD_NUT,
5020   EL_BD_DRAGONFLY_DOWN,
5021   EL_BD_STONEFLY_DOWN,
5022   EL_EMPTY,
5023
5024   EL_BD_BITER_SWITCH_1,
5025   EL_BD_BITER_UP,
5026   EL_BD_COW_UP,
5027   EL_EMPTY,
5028
5029   EL_BD_BITER_LEFT,
5030   EL_BD_COW_LEFT,
5031   EL_BD_BITER_RIGHT,
5032   EL_BD_COW_RIGHT,
5033
5034   EL_BD_VOODOO_DOLL,
5035   EL_BD_BITER_DOWN,
5036   EL_BD_COW_DOWN,
5037   EL_BD_GHOST,
5038
5039   EL_BD_SAND_GLUED,
5040   EL_BD_SAND_BALL,
5041   EL_BD_SAND_LOOSE,
5042   EL_BD_WALL_NON_SLOPED,
5043
5044   EL_BD_SAND_SLOPED_UP_LEFT,
5045   EL_BD_SAND_SLOPED_UP_RIGHT,
5046   EL_BD_WALL_SLOPED_UP_LEFT,
5047   EL_BD_WALL_SLOPED_UP_RIGHT,
5048
5049   EL_BD_SAND_SLOPED_DOWN_LEFT,
5050   EL_BD_SAND_SLOPED_DOWN_RIGHT,
5051   EL_BD_WALL_SLOPED_DOWN_LEFT,
5052   EL_BD_WALL_SLOPED_DOWN_RIGHT,
5053
5054   EL_BD_FLYING_ROCK,
5055   EL_BD_ROCK_GLUED,
5056   EL_BD_STEELWALL_SLOPED_UP_LEFT,
5057   EL_BD_STEELWALL_SLOPED_UP_RIGHT,
5058
5059   EL_BD_WAITING_ROCK,
5060   EL_BD_CHASING_ROCK,
5061   EL_BD_STEELWALL_SLOPED_DOWN_LEFT,
5062   EL_BD_STEELWALL_SLOPED_DOWN_RIGHT,
5063
5064   EL_BD_MEGA_ROCK,
5065   EL_BD_SWEET,
5066   EL_BD_INVISIBLE_EXIT_CLOSED,
5067   EL_BD_INVISIBLE_EXIT_OPEN,
5068
5069   EL_BD_STEELWALL_EXPLODABLE,
5070   EL_BD_STEELWALL_DIGGABLE,
5071   EL_BD_WALL_DIGGABLE,
5072   EL_BD_FALLING_WALL,
5073
5074   EL_BD_EXPANDABLE_WALL_HORIZONTAL,
5075   EL_BD_EXPANDABLE_WALL_VERTICAL,
5076   EL_BD_EXPANDABLE_WALL_ANY,
5077   EL_BD_EXPANDABLE_WALL_SWITCH_HORIZONTAL,
5078
5079   EL_BD_EXPANDABLE_STEELWALL_HORIZONTAL,
5080   EL_BD_EXPANDABLE_STEELWALL_VERTICAL,
5081   EL_BD_EXPANDABLE_STEELWALL_ANY,
5082   EL_BD_CREATURE_SWITCH,
5083
5084   EL_BD_BLADDER,
5085   EL_BD_BLADDER_SPENDER,
5086   EL_BD_REPLICATOR,
5087   EL_BD_REPLICATOR_SWITCH,
5088
5089   EL_BD_CONVEYOR_LEFT,
5090   EL_BD_CONVEYOR_RIGHT,
5091   EL_BD_CONVEYOR_SWITCH,
5092   EL_BD_CONVEYOR_DIR_SWITCH_NORMAL,
5093
5094   EL_BD_CLOCK,
5095   EL_BD_TIME_PENALTY,
5096   EL_BD_GRAVESTONE,
5097   EL_BD_SKELETON,
5098
5099   EL_BD_WATER,
5100   EL_BD_ACID,
5101   EL_BD_LAVA,
5102   EL_BD_BOX,
5103
5104   EL_BD_GATE_1,
5105   EL_BD_GATE_2,
5106   EL_BD_GATE_3,
5107   EL_BD_TRAPPED_DIAMOND,
5108
5109   EL_BD_KEY_1,
5110   EL_BD_KEY_2,
5111   EL_BD_KEY_3,
5112   EL_BD_DIAMOND_KEY,
5113
5114   EL_BD_WALL_KEY_1,
5115   EL_BD_WALL_KEY_2,
5116   EL_BD_WALL_KEY_3,
5117   EL_BD_WALL_DIAMOND,
5118
5119   EL_BD_POT,
5120   EL_BD_GRAVITY_SWITCH,
5121   EL_BD_PNEUMATIC_HAMMER,
5122   EL_BD_TELEPORTER,
5123
5124   EL_BD_PLAYER,
5125   EL_BD_PLAYER_WITH_BOMB,
5126   EL_BD_PLAYER_GLUED,
5127   EL_BD_PLAYER_STIRRING,
5128 };
5129 static int *editor_hl_boulderdash_native_ptr = editor_hl_boulderdash_native;
5130 static int *editor_el_boulderdash_native_ptr = editor_el_boulderdash_native;
5131 static int num_editor_hl_boulderdash_native = ARRAY_SIZE(editor_hl_boulderdash_native);
5132 static int num_editor_el_boulderdash_native = ARRAY_SIZE(editor_el_boulderdash_native);
5133
5134 static int editor_hl_boulderdash_effects[] =
5135 {
5136   EL_INTERNAL_CASCADE_BD_EFFECTS_ACTIVE,
5137   EL_CHAR('B'),
5138   EL_CHAR('D'),
5139   EL_CHAR('E'),
5140 };
5141
5142 static int editor_el_boulderdash_effects[] =
5143 {
5144   EL_BD_DIAMOND_FALLING,
5145   EL_BD_ROCK_FALLING,
5146   EL_BD_MEGA_ROCK_FALLING,
5147   EL_BD_FLYING_DIAMOND_FLYING,
5148
5149   EL_BD_FALLING_WALL_FALLING,
5150   EL_BD_NITRO_PACK_FALLING,
5151   EL_BD_NUT_FALLING,
5152   EL_BD_FLYING_ROCK_FLYING,
5153
5154   EL_BD_PLAYER_GROWING_1,
5155   EL_BD_PLAYER_GROWING_2,
5156   EL_BD_PLAYER_GROWING_3,
5157   EL_BD_PLAYER,
5158
5159   EL_BD_PLAYER_WITH_BOMB,
5160   EL_BD_PLAYER_STIRRING,
5161   EL_BD_EXIT_OPEN,
5162   EL_BD_INVISIBLE_EXIT_OPEN,
5163
5164   EL_BD_BLADDER_1,
5165   EL_BD_BLADDER_2,
5166   EL_BD_BLADDER_3,
5167   EL_BD_BLADDER_4,
5168
5169   EL_BD_BLADDER_5,
5170   EL_BD_BLADDER_6,
5171   EL_BD_BLADDER_7,
5172   EL_BD_BLADDER_8,
5173
5174   EL_BD_SAND_2,
5175   EL_BD_COW_ENCLOSED_1,
5176   EL_BD_COW_ENCLOSED_2,
5177   EL_BD_COW_ENCLOSED_3,
5178
5179   EL_BD_COW_ENCLOSED_4,
5180   EL_BD_COW_ENCLOSED_5,
5181   EL_BD_COW_ENCLOSED_6,
5182   EL_BD_COW_ENCLOSED_7,
5183
5184   EL_BD_WATER_1,
5185   EL_BD_WATER_2,
5186   EL_BD_WATER_3,
5187   EL_BD_WATER_4,
5188
5189   EL_BD_WATER_5,
5190   EL_BD_WATER_6,
5191   EL_BD_WATER_7,
5192   EL_BD_WATER_8,
5193
5194   EL_BD_WATER_9,
5195   EL_BD_WATER_10,
5196   EL_BD_WATER_11,
5197   EL_BD_WATER_12,
5198
5199   EL_BD_WATER_13,
5200   EL_BD_WATER_14,
5201   EL_BD_WATER_15,
5202   EL_BD_WATER_16,
5203
5204   EL_BD_BOMB_TICKING_1,
5205   EL_BD_BOMB_TICKING_2,
5206   EL_BD_BOMB_TICKING_3,
5207   EL_BD_BOMB_TICKING_4,
5208
5209   EL_BD_BOMB_TICKING_5,
5210   EL_BD_BOMB_TICKING_6,
5211   EL_BD_BOMB_TICKING_7,
5212   EL_EMPTY,
5213
5214   EL_BD_BOMB_EXPLODING_1,
5215   EL_BD_BOMB_EXPLODING_2,
5216   EL_BD_BOMB_EXPLODING_3,
5217   EL_BD_BOMB_EXPLODING_4,
5218
5219   EL_BD_NUT_BREAKING_1,
5220   EL_BD_NUT_BREAKING_2,
5221   EL_BD_NUT_BREAKING_3,
5222   EL_BD_NUT_BREAKING_4,
5223
5224   EL_BD_EXPLODING_1,
5225   EL_BD_EXPLODING_2,
5226   EL_BD_EXPLODING_3,
5227   EL_BD_EXPLODING_4,
5228
5229   EL_BD_EXPLODING_5,
5230   EL_BD_TIME_PENALTY,
5231   EL_BD_DIAMOND_GROWING_1,
5232   EL_BD_DIAMOND_GROWING_2,
5233
5234   EL_BD_DIAMOND_GROWING_3,
5235   EL_BD_DIAMOND_GROWING_4,
5236   EL_BD_DIAMOND_GROWING_5,
5237   EL_BD_NITRO_PACK_EXPLODING,
5238
5239   EL_BD_NITRO_PACK_EXPLODING_1,
5240   EL_BD_NITRO_PACK_EXPLODING_2,
5241   EL_BD_NITRO_PACK_EXPLODING_3,
5242   EL_BD_NITRO_PACK_EXPLODING_4,
5243
5244   EL_BD_ROCK_GROWING_1,
5245   EL_BD_ROCK_GROWING_2,
5246   EL_BD_ROCK_GROWING_3,
5247   EL_BD_ROCK_GROWING_4,
5248
5249   EL_BD_STEELWALL_GROWING_1,
5250   EL_BD_STEELWALL_GROWING_2,
5251   EL_BD_STEELWALL_GROWING_3,
5252   EL_BD_STEELWALL_GROWING_4,
5253
5254   EL_BD_CLOCK_GROWING_1,
5255   EL_BD_CLOCK_GROWING_2,
5256   EL_BD_CLOCK_GROWING_3,
5257   EL_BD_CLOCK_GROWING_4,
5258
5259   EL_BD_GHOST_EXPLODING_1,
5260   EL_BD_GHOST_EXPLODING_2,
5261   EL_BD_GHOST_EXPLODING_3,
5262   EL_BD_GHOST_EXPLODING_4,
5263 };
5264 static int *editor_hl_boulderdash_effects_ptr = editor_hl_boulderdash_effects;
5265 static int *editor_el_boulderdash_effects_ptr = editor_el_boulderdash_effects;
5266 static int num_editor_hl_boulderdash_effects = ARRAY_SIZE(editor_hl_boulderdash_effects);
5267 static int num_editor_el_boulderdash_effects = ARRAY_SIZE(editor_el_boulderdash_effects);
5268
5269 static int editor_hl_emerald_mine[] =
5270 {
5271   EL_INTERNAL_CASCADE_EM_ACTIVE,
5272   EL_CHAR('E'),
5273   EL_CHAR('M'),
5274   EL_EMPTY,
5275 };
5276
5277 static int editor_el_emerald_mine[] =
5278 {
5279   EL_SAND,
5280   EL_ROCK,
5281   EL_QUICKSAND_EMPTY,
5282   EL_QUICKSAND_FULL,
5283
5284   EL_STEELWALL,
5285   EL_WALL,
5286   EL_WALL_SLIPPERY,
5287   EL_MAGIC_WALL,
5288
5289   EL_EMERALD,
5290   EL_DIAMOND,
5291   EL_NUT,
5292   EL_BOMB,
5293
5294   EL_EM_DYNAMITE,
5295   EL_EM_DYNAMITE_ACTIVE,
5296   EL_EM_EXIT_CLOSED,
5297   EL_EM_EXIT_OPEN,
5298
5299   EL_YAMYAM_UP,
5300   EL_BUG_UP,
5301   EL_SPACESHIP_UP,
5302   EL_ROBOT,
5303
5304   EL_BUG_LEFT,
5305   EL_SPACESHIP_LEFT,
5306   EL_BUG_RIGHT,
5307   EL_SPACESHIP_RIGHT,
5308
5309   EL_ROBOT_WHEEL,
5310   EL_BUG_DOWN,
5311   EL_SPACESHIP_DOWN,
5312   EL_INVISIBLE_WALL,
5313
5314   EL_ACID_POOL_TOPLEFT,
5315   EL_ACID,
5316   EL_ACID_POOL_TOPRIGHT,
5317   EL_AMOEBA_DROP,
5318
5319   EL_ACID_POOL_BOTTOMLEFT,
5320   EL_ACID_POOL_BOTTOM,
5321   EL_ACID_POOL_BOTTOMRIGHT,
5322   EL_AMOEBA_WET,
5323
5324   EL_EM_KEY_1,
5325   EL_EM_KEY_2,
5326   EL_EM_KEY_3,
5327   EL_EM_KEY_4,
5328
5329   EL_EM_GATE_1,
5330   EL_EM_GATE_2,
5331   EL_EM_GATE_3,
5332   EL_EM_GATE_4,
5333
5334   EL_EM_GATE_1_GRAY,
5335   EL_EM_GATE_2_GRAY,
5336   EL_EM_GATE_3_GRAY,
5337   EL_EM_GATE_4_GRAY,
5338 };
5339 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
5340 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
5341 static int num_editor_hl_emerald_mine = ARRAY_SIZE(editor_hl_emerald_mine);
5342 static int num_editor_el_emerald_mine = ARRAY_SIZE(editor_el_emerald_mine);
5343
5344 static int editor_hl_emerald_mine_club[] =
5345 {
5346   EL_INTERNAL_CASCADE_EMC_ACTIVE,
5347   EL_CHAR('E'),
5348   EL_CHAR('M'),
5349   EL_CHAR('C'),
5350 };
5351
5352 static int editor_el_emerald_mine_club[] =
5353 {
5354   EL_EMC_KEY_5,
5355   EL_EMC_KEY_6,
5356   EL_EMC_KEY_7,
5357   EL_EMC_KEY_8,
5358
5359   EL_EMC_GATE_5,
5360   EL_EMC_GATE_6,
5361   EL_EMC_GATE_7,
5362   EL_EMC_GATE_8,
5363
5364   EL_EMC_GATE_5_GRAY,
5365   EL_EMC_GATE_6_GRAY,
5366   EL_EMC_GATE_7_GRAY,
5367   EL_EMC_GATE_8_GRAY,
5368
5369   EL_EMC_STEELWALL_1,
5370   EL_EMC_STEELWALL_2,
5371   EL_EMC_STEELWALL_3,
5372   EL_EMC_STEELWALL_4,
5373
5374   EL_EMC_WALL_13,
5375   EL_EMC_WALL_14,
5376   EL_EMC_WALL_15,
5377   EL_EMC_WALL_16,
5378
5379   EL_EMC_WALL_SLIPPERY_1,
5380   EL_EMC_WALL_SLIPPERY_2,
5381   EL_EMC_WALL_SLIPPERY_3,
5382   EL_EMC_WALL_SLIPPERY_4,
5383
5384   EL_EMC_WALL_1,
5385   EL_EMC_WALL_2,
5386   EL_EMC_WALL_3,
5387   EL_EMC_WALL_4,
5388
5389   EL_EMC_WALL_5,
5390   EL_EMC_WALL_6,
5391   EL_EMC_WALL_7,
5392   EL_EMC_WALL_8,
5393
5394   EL_EMC_WALL_9,
5395   EL_EMC_WALL_10,
5396   EL_EMC_WALL_11,
5397   EL_EMC_WALL_12,
5398
5399   EL_EMC_GRASS,
5400   EL_EMC_FAKE_GRASS,
5401   EL_EMC_PLANT,
5402   EL_EMC_DRIPPER,
5403
5404   EL_EMC_MAGIC_BALL,
5405   EL_EMC_MAGIC_BALL_SWITCH,
5406   EL_EMC_LENSES,
5407   EL_EMC_MAGNIFIER,
5408
5409   EL_SPRING_LEFT,
5410   EL_SPRING,
5411   EL_SPRING_RIGHT,
5412   EL_EMC_SPRING_BUMPER,
5413
5414   EL_BALLOON,
5415   EL_YAMYAM_UP,
5416   EL_BALLOON_SWITCH_UP,
5417   EL_BALLOON_SWITCH_ANY,
5418
5419   EL_YAMYAM_LEFT,
5420   EL_BALLOON_SWITCH_LEFT,
5421   EL_YAMYAM_RIGHT,
5422   EL_BALLOON_SWITCH_RIGHT,
5423
5424   EL_EMC_ANDROID,
5425   EL_YAMYAM_DOWN,
5426   EL_BALLOON_SWITCH_DOWN,
5427   EL_BALLOON_SWITCH_NONE,
5428 };
5429 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
5430 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
5431 static int num_editor_hl_emerald_mine_club = ARRAY_SIZE(editor_hl_emerald_mine_club);
5432 static int num_editor_el_emerald_mine_club = ARRAY_SIZE(editor_el_emerald_mine_club);
5433
5434 static int editor_hl_rnd[] =
5435 {
5436   EL_INTERNAL_CASCADE_RND_ACTIVE,
5437   EL_CHAR('R'),
5438   EL_CHAR('N'),
5439   EL_CHAR('D'),
5440 };
5441
5442 static int editor_el_rnd[] =
5443 {
5444   EL_DYNAMITE,                  // RND
5445   EL_DYNAMITE_ACTIVE,           // RND
5446   EL_EMPTY,
5447   EL_EMPTY,
5448
5449   EL_KEY_1,
5450   EL_KEY_2,
5451   EL_KEY_3,
5452   EL_KEY_4,
5453
5454   EL_GATE_1,
5455   EL_GATE_2,
5456   EL_GATE_3,
5457   EL_GATE_4,
5458
5459   EL_GATE_1_GRAY,
5460   EL_GATE_2_GRAY,
5461   EL_GATE_3_GRAY,
5462   EL_GATE_4_GRAY,
5463
5464   EL_ARROW_LEFT,
5465   EL_ARROW_RIGHT,
5466   EL_ARROW_UP,
5467   EL_ARROW_DOWN,
5468
5469   EL_AMOEBA_DEAD,
5470   EL_AMOEBA_DRY,
5471   EL_AMOEBA_FULL,
5472   EL_GAME_OF_LIFE,
5473
5474   EL_EMERALD_YELLOW,
5475   EL_EMERALD_RED,
5476   EL_EMERALD_PURPLE,
5477   EL_BIOMAZE,
5478
5479   EL_WALL_EMERALD_YELLOW,
5480   EL_WALL_EMERALD_RED,
5481   EL_WALL_EMERALD_PURPLE,
5482   EL_WALL_BD_DIAMOND,
5483
5484   EL_SPEED_PILL,
5485   EL_PACMAN_UP,
5486   EL_TIME_ORB_FULL,
5487   EL_TIME_ORB_EMPTY,
5488
5489   EL_PACMAN_LEFT,
5490   EL_DARK_YAMYAM,
5491   EL_PACMAN_RIGHT,
5492   EL_YAMYAM,                    // RND
5493
5494   EL_BLACK_ORB,
5495   EL_PACMAN_DOWN,
5496   EL_LAMP,
5497   EL_LAMP_ACTIVE,
5498
5499   EL_DYNABOMB_INCREASE_NUMBER,
5500   EL_DYNABOMB_INCREASE_SIZE,
5501   EL_DYNABOMB_INCREASE_POWER,
5502   EL_STONEBLOCK,
5503
5504   EL_MOLE,
5505   EL_PENGUIN,
5506   EL_PIG,
5507   EL_DRAGON,
5508
5509   EL_BUG,
5510   EL_MOLE_UP,
5511   EL_BD_BUTTERFLY,
5512   EL_BD_FIREFLY,
5513
5514   EL_MOLE_LEFT,
5515   EL_SATELLITE,
5516   EL_MOLE_RIGHT,
5517   EL_PACMAN,
5518
5519   EL_SPACESHIP,
5520   EL_MOLE_DOWN,
5521   EL_INVISIBLE_STEELWALL,
5522   EL_INVISIBLE_WALL,
5523
5524   EL_EXPANDABLE_WALL,
5525   EL_EXPANDABLE_WALL_HORIZONTAL,
5526   EL_EXPANDABLE_WALL_VERTICAL,
5527   EL_EXPANDABLE_WALL_ANY,
5528 };
5529 static int *editor_hl_rnd_ptr = editor_hl_rnd;
5530 static int *editor_el_rnd_ptr = editor_el_rnd;
5531 static int num_editor_hl_rnd = ARRAY_SIZE(editor_hl_rnd);
5532 static int num_editor_el_rnd = ARRAY_SIZE(editor_el_rnd);
5533
5534 static int editor_hl_sokoban[] =
5535 {
5536   EL_INTERNAL_CASCADE_SB_ACTIVE,
5537   EL_CHAR('S'),
5538   EL_CHAR('B'),
5539   EL_EMPTY,
5540 };
5541
5542 static int editor_el_sokoban[] =
5543 {
5544   EL_SOKOBAN_OBJECT,
5545   EL_SOKOBAN_FIELD_EMPTY,
5546   EL_SOKOBAN_FIELD_FULL,
5547   EL_SOKOBAN_FIELD_PLAYER,
5548 };
5549 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
5550 static int *editor_el_sokoban_ptr = editor_el_sokoban;
5551 static int num_editor_hl_sokoban = ARRAY_SIZE(editor_hl_sokoban);
5552 static int num_editor_el_sokoban = ARRAY_SIZE(editor_el_sokoban);
5553
5554 static int editor_hl_supaplex[] =
5555 {
5556   EL_INTERNAL_CASCADE_SP_ACTIVE,
5557   EL_CHAR('S'),
5558   EL_CHAR('P'),
5559   EL_EMPTY,
5560 };
5561
5562 static int editor_el_supaplex[] =
5563 {
5564   EL_SP_MURPHY,
5565   EL_EMPTY,
5566   EL_SP_BASE,
5567   EL_SP_BUGGY_BASE,
5568
5569   EL_SP_INFOTRON,
5570   EL_SP_ZONK,
5571   EL_SP_SNIKSNAK,
5572   EL_SP_ELECTRON,
5573
5574   EL_SP_DISK_RED,
5575   EL_SP_DISK_ORANGE,
5576   EL_SP_DISK_YELLOW,
5577   EL_SP_TERMINAL,
5578
5579   EL_SP_EXIT_CLOSED,
5580   EL_SP_PORT_HORIZONTAL,
5581   EL_SP_PORT_VERTICAL,
5582   EL_SP_PORT_ANY,
5583
5584   EL_SP_PORT_LEFT,
5585   EL_SP_PORT_RIGHT,
5586   EL_SP_PORT_UP,
5587   EL_SP_PORT_DOWN,
5588
5589   EL_SP_GRAVITY_PORT_LEFT,
5590   EL_SP_GRAVITY_PORT_RIGHT,
5591   EL_SP_GRAVITY_PORT_UP,
5592   EL_SP_GRAVITY_PORT_DOWN,
5593
5594   EL_SP_GRAVITY_ON_PORT_LEFT,
5595   EL_SP_GRAVITY_ON_PORT_RIGHT,
5596   EL_SP_GRAVITY_ON_PORT_UP,
5597   EL_SP_GRAVITY_ON_PORT_DOWN,
5598
5599   EL_SP_GRAVITY_OFF_PORT_LEFT,
5600   EL_SP_GRAVITY_OFF_PORT_RIGHT,
5601   EL_SP_GRAVITY_OFF_PORT_UP,
5602   EL_SP_GRAVITY_OFF_PORT_DOWN,
5603
5604   EL_SP_HARDWARE_GRAY,
5605   EL_SP_HARDWARE_GREEN,
5606   EL_SP_HARDWARE_BLUE,
5607   EL_SP_HARDWARE_RED,
5608
5609   EL_SP_HARDWARE_BASE_1,
5610   EL_SP_HARDWARE_BASE_2,
5611   EL_SP_HARDWARE_BASE_3,
5612   EL_SP_HARDWARE_BASE_4,
5613
5614   EL_SP_HARDWARE_BASE_5,
5615   EL_SP_HARDWARE_BASE_6,
5616   EL_SP_HARDWARE_YELLOW,
5617   EL_SP_CHIP_TOP,
5618
5619   EL_SP_CHIP_SINGLE,
5620   EL_SP_CHIP_LEFT,
5621   EL_SP_CHIP_RIGHT,
5622   EL_SP_CHIP_BOTTOM,
5623 };
5624 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
5625 static int *editor_el_supaplex_ptr = editor_el_supaplex;
5626 static int num_editor_hl_supaplex = ARRAY_SIZE(editor_hl_supaplex);
5627 static int num_editor_el_supaplex = ARRAY_SIZE(editor_el_supaplex);
5628
5629 static int editor_hl_diamond_caves[] =
5630 {
5631   EL_INTERNAL_CASCADE_DC_ACTIVE,
5632   EL_CHAR('D'),
5633   EL_CHAR('C'),
5634   EL_CHAR('2'),
5635 };
5636
5637 static int editor_el_diamond_caves[] =
5638 {
5639   EL_EM_STEEL_EXIT_CLOSED,      // DC2
5640   EL_EM_STEEL_EXIT_OPEN,        // DC2
5641   EL_WALL_EMERALD,              // DC2
5642   EL_WALL_DIAMOND,              // DC2
5643
5644   EL_PEARL,
5645   EL_CRYSTAL,
5646   EL_WALL_PEARL,
5647   EL_WALL_CRYSTAL,
5648
5649   EL_CONVEYOR_BELT_1_LEFT,
5650   EL_CONVEYOR_BELT_1_MIDDLE,
5651   EL_CONVEYOR_BELT_1_RIGHT,
5652   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
5653
5654   EL_CONVEYOR_BELT_2_LEFT,
5655   EL_CONVEYOR_BELT_2_MIDDLE,
5656   EL_CONVEYOR_BELT_2_RIGHT,
5657   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
5658
5659   EL_CONVEYOR_BELT_3_LEFT,
5660   EL_CONVEYOR_BELT_3_MIDDLE,
5661   EL_CONVEYOR_BELT_3_RIGHT,
5662   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
5663
5664   EL_CONVEYOR_BELT_4_LEFT,
5665   EL_CONVEYOR_BELT_4_MIDDLE,
5666   EL_CONVEYOR_BELT_4_RIGHT,
5667   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
5668
5669   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
5670   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
5671   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
5672   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
5673
5674   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
5675   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
5676   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
5677   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
5678
5679   EL_TIMEGATE_CLOSED,
5680   EL_TIMEGATE_OPEN,
5681   EL_TIMEGATE_SWITCH,
5682   EL_DC_TIMEGATE_SWITCH,
5683
5684   EL_SWITCHGATE_CLOSED,
5685   EL_SWITCHGATE_OPEN,
5686   EL_SWITCHGATE_SWITCH_UP,
5687   EL_SWITCHGATE_SWITCH_DOWN,
5688
5689   EL_LIGHT_SWITCH,
5690   EL_LIGHT_SWITCH_ACTIVE,
5691   EL_DC_SWITCHGATE_SWITCH_UP,
5692   EL_DC_SWITCHGATE_SWITCH_DOWN,
5693
5694   EL_STEEL_EXIT_CLOSED,
5695   EL_STEEL_EXIT_OPEN,
5696   EL_STEELWALL_SLIPPERY,
5697   EL_INVISIBLE_SAND,
5698
5699   EL_QUICKSAND_FAST_EMPTY,
5700   EL_QUICKSAND_FAST_FULL,
5701   EL_LANDMINE,
5702   EL_DC_LANDMINE,
5703
5704   EL_SHIELD_NORMAL,
5705   EL_SHIELD_DEADLY,
5706   EL_EXTRA_TIME,
5707   EL_DC_MAGIC_WALL,
5708
5709   EL_ENVELOPE_1,
5710   EL_ENVELOPE_2,
5711   EL_ENVELOPE_3,
5712   EL_ENVELOPE_4,
5713
5714   EL_SIGN_RADIOACTIVITY,
5715   EL_SIGN_WHEELCHAIR,
5716   EL_SIGN_PARKING,
5717   EL_SIGN_NO_ENTRY,
5718
5719   EL_SIGN_GIVE_WAY,
5720   EL_SIGN_ENTRY_FORBIDDEN,
5721   EL_SIGN_EMERGENCY_EXIT,
5722   EL_SIGN_YIN_YANG,
5723
5724 #if 0
5725   EL_SIGN_SPERMS,
5726   EL_SIGN_BULLET,
5727   EL_SIGN_HEART,
5728   EL_SIGN_CROSS,
5729
5730   EL_SIGN_FRANKIE,
5731   EL_EMPTY,
5732   EL_EMPTY,
5733   EL_EMPTY,
5734
5735   EL_SPERMS,
5736   EL_BULLET,
5737   EL_HEART,
5738   EL_CROSS,
5739
5740   EL_FRANKIE,
5741   EL_EMPTY,
5742   EL_EMPTY,
5743   EL_EMPTY,
5744 #endif
5745
5746   EL_DC_STEELWALL_2_SINGLE,
5747   EL_DC_STEELWALL_2_TOP,
5748   EL_SIGN_EXCLAMATION,
5749   EL_SIGN_STOP,
5750
5751   EL_DC_STEELWALL_2_LEFT,
5752   EL_DC_STEELWALL_2_MIDDLE,
5753   EL_DC_STEELWALL_2_HORIZONTAL,
5754   EL_DC_STEELWALL_2_RIGHT,
5755
5756   EL_DC_STEELWALL_1_TOPLEFT,
5757   EL_DC_STEELWALL_2_VERTICAL,
5758   EL_DC_STEELWALL_1_TOPRIGHT,
5759   EL_DC_GATE_WHITE,
5760
5761   EL_DC_STEELWALL_1_VERTICAL,
5762   EL_DC_STEELWALL_2_BOTTOM,
5763   EL_DC_KEY_WHITE,
5764   EL_DC_GATE_WHITE_GRAY,
5765
5766   EL_DC_STEELWALL_1_BOTTOMLEFT,
5767   EL_DC_STEELWALL_1_HORIZONTAL,
5768   EL_DC_STEELWALL_1_BOTTOMRIGHT,
5769   EL_DC_GATE_FAKE_GRAY,
5770
5771   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
5772   EL_DC_STEELWALL_1_BOTTOM,
5773   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
5774   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
5775
5776   EL_DC_STEELWALL_1_RIGHT,
5777   EL_EMPTY,
5778   EL_DC_STEELWALL_1_LEFT,
5779   EL_EXPANDABLE_STEELWALL_VERTICAL,
5780
5781   EL_DC_STEELWALL_1_TOPRIGHT_2,
5782   EL_DC_STEELWALL_1_TOP,
5783   EL_DC_STEELWALL_1_TOPLEFT_2,
5784   EL_EXPANDABLE_STEELWALL_ANY,
5785 };
5786 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
5787 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
5788 static int num_editor_hl_diamond_caves = ARRAY_SIZE(editor_hl_diamond_caves);
5789 static int num_editor_el_diamond_caves = ARRAY_SIZE(editor_el_diamond_caves);
5790
5791 static int editor_hl_dx_boulderdash[] =
5792 {
5793   EL_INTERNAL_CASCADE_DX_ACTIVE,
5794   EL_CHAR('D'),
5795   EL_CHAR('X'),
5796   EL_EMPTY,
5797 };
5798
5799 static int editor_el_dx_boulderdash[] =
5800 {
5801   EL_EMPTY,
5802   EL_TUBE_RIGHT_DOWN,
5803   EL_TUBE_HORIZONTAL_DOWN,
5804   EL_TUBE_LEFT_DOWN,
5805
5806   EL_TUBE_HORIZONTAL,
5807   EL_TUBE_VERTICAL_RIGHT,
5808   EL_TUBE_ANY,
5809   EL_TUBE_VERTICAL_LEFT,
5810
5811   EL_TUBE_VERTICAL,
5812   EL_TUBE_RIGHT_UP,
5813   EL_TUBE_HORIZONTAL_UP,
5814   EL_TUBE_LEFT_UP,
5815
5816   EL_TRAP,
5817   EL_DX_SUPABOMB,
5818   EL_EMPTY,
5819   EL_EMPTY
5820 };
5821 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
5822 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
5823 static int num_editor_hl_dx_boulderdash = ARRAY_SIZE(editor_hl_dx_boulderdash);
5824 static int num_editor_el_dx_boulderdash = ARRAY_SIZE(editor_el_dx_boulderdash);
5825
5826 static int editor_hl_mirror_magic[] =
5827 {
5828   EL_INTERNAL_CASCADE_MM_ACTIVE,
5829   EL_CHAR('M'),
5830   EL_CHAR('M'),
5831   EL_EMPTY,
5832 };
5833
5834 static int editor_el_mirror_magic[] =
5835 {
5836   EL_MM_MCDUFFIN_RIGHT,
5837   EL_MM_MCDUFFIN_UP,
5838   EL_MM_MCDUFFIN_LEFT,
5839   EL_MM_MCDUFFIN_DOWN,
5840
5841   EL_MM_MIRROR_START,
5842   EL_MM_MIRROR_FIXED_START,
5843   EL_MM_POLARIZER_START,
5844   EL_MM_POLARIZER_CROSS_START,
5845
5846   EL_MM_TELEPORTER_RED_START,
5847   EL_MM_TELEPORTER_YELLOW_START,
5848   EL_MM_TELEPORTER_GREEN_START,
5849   EL_MM_TELEPORTER_BLUE_START,
5850
5851   EL_MM_PRISM,
5852   EL_MM_FUSE_ACTIVE,
5853   EL_MM_PACMAN_RIGHT,
5854   EL_MM_EXIT_CLOSED,
5855
5856   EL_MM_KETTLE,
5857   EL_MM_BOMB,
5858   EL_MM_KEY,
5859   EL_MM_FUEL_FULL,
5860
5861   EL_MM_LIGHTBULB,
5862   EL_MM_LIGHTBULB_ACTIVE,
5863   EL_MM_GRAY_BALL,
5864   EL_MM_LIGHTBALL,
5865
5866   EL_MM_STEEL_WALL,
5867   EL_MM_WOODEN_WALL,
5868   EL_MM_ICE_WALL,
5869   EL_MM_AMOEBA_WALL,
5870
5871   EL_MM_STEEL_LOCK,
5872   EL_MM_WOODEN_LOCK,
5873   EL_MM_STEEL_BLOCK,
5874   EL_MM_WOODEN_BLOCK,
5875
5876   EL_MM_STEEL_GRID_FIXED_1,
5877   EL_MM_STEEL_GRID_FIXED_2,
5878   EL_MM_STEEL_GRID_FIXED_3,
5879   EL_MM_STEEL_GRID_FIXED_4,
5880
5881   EL_MM_WOODEN_GRID_FIXED_1,
5882   EL_MM_WOODEN_GRID_FIXED_2,
5883   EL_MM_WOODEN_GRID_FIXED_3,
5884   EL_MM_WOODEN_GRID_FIXED_4,
5885
5886   EL_MM_ENVELOPE_1,
5887   EL_MM_ENVELOPE_2,
5888   EL_MM_ENVELOPE_3,
5889   EL_MM_ENVELOPE_4
5890 };
5891 static int *editor_hl_mirror_magic_ptr = editor_hl_mirror_magic;
5892 static int *editor_el_mirror_magic_ptr = editor_el_mirror_magic;
5893 static int num_editor_hl_mirror_magic = ARRAY_SIZE(editor_hl_mirror_magic);
5894 static int num_editor_el_mirror_magic = ARRAY_SIZE(editor_el_mirror_magic);
5895
5896 static int editor_hl_deflektor[] =
5897 {
5898   EL_INTERNAL_CASCADE_DF_ACTIVE,
5899   EL_CHAR('D'),
5900   EL_CHAR('F'),
5901   EL_EMPTY,
5902 };
5903
5904 static int editor_el_deflektor[] =
5905 {
5906   EL_DF_LASER_RIGHT,
5907   EL_DF_LASER_UP,
5908   EL_DF_LASER_LEFT,
5909   EL_DF_LASER_DOWN,
5910
5911   EL_DF_RECEIVER_RIGHT,
5912   EL_DF_RECEIVER_UP,
5913   EL_DF_RECEIVER_LEFT,
5914   EL_DF_RECEIVER_DOWN,
5915
5916   EL_DF_MIRROR_START,
5917   EL_DF_MIRROR_ROTATING_START,
5918   EL_DF_MIRROR_FIXED_START,
5919   EL_DF_CELL,
5920
5921   EL_DF_FIBRE_OPTIC_RED_1,
5922   EL_DF_FIBRE_OPTIC_YELLOW_1,
5923   EL_DF_FIBRE_OPTIC_GREEN_1,
5924   EL_DF_FIBRE_OPTIC_BLUE_1,
5925
5926   EL_DF_STEEL_GRID_FIXED_START,
5927   EL_DF_STEEL_GRID_ROTATING_START,
5928   EL_DF_WOODEN_GRID_FIXED_START,
5929   EL_DF_WOODEN_GRID_ROTATING_START,
5930
5931   EL_DF_STEEL_WALL,
5932   EL_DF_WOODEN_WALL,
5933   EL_DF_REFRACTOR,
5934   EL_DF_MINE,
5935
5936   EL_DF_SLOPE_1,
5937   EL_DF_SLOPE_2,
5938   EL_DF_SLOPE_3,
5939   EL_DF_SLOPE_4
5940 };
5941 static int *editor_hl_deflektor_ptr = editor_hl_deflektor;
5942 static int *editor_el_deflektor_ptr = editor_el_deflektor;
5943 static int num_editor_hl_deflektor = ARRAY_SIZE(editor_hl_deflektor);
5944 static int num_editor_el_deflektor = ARRAY_SIZE(editor_el_deflektor);
5945
5946 static int editor_hl_chars[] =
5947 {
5948   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
5949   EL_CHAR('T'),
5950   EL_CHAR('X'),
5951   EL_CHAR('T'),
5952 };
5953
5954 static int editor_el_chars[] =
5955 {
5956   EL_CHAR(' '),
5957   EL_CHAR('!'),
5958   EL_CHAR('"'),
5959   EL_CHAR('#'),
5960
5961   EL_CHAR('$'),
5962   EL_CHAR('%'),
5963   EL_CHAR('&'),
5964   EL_CHAR('\''),
5965
5966   EL_CHAR('('),
5967   EL_CHAR(')'),
5968   EL_CHAR('*'),
5969   EL_CHAR('+'),
5970
5971   EL_CHAR(','),
5972   EL_CHAR('-'),
5973   EL_CHAR('.'),
5974   EL_CHAR('/'),
5975
5976   EL_CHAR('0'),
5977   EL_CHAR('1'),
5978   EL_CHAR('2'),
5979   EL_CHAR('3'),
5980
5981   EL_CHAR('4'),
5982   EL_CHAR('5'),
5983   EL_CHAR('6'),
5984   EL_CHAR('7'),
5985
5986   EL_CHAR('8'),
5987   EL_CHAR('9'),
5988   EL_CHAR(':'),
5989   EL_CHAR(';'),
5990
5991   EL_CHAR('<'),
5992   EL_CHAR('='),
5993   EL_CHAR('>'),
5994   EL_CHAR('?'),
5995
5996   EL_CHAR('@'),
5997   EL_CHAR('A'),
5998   EL_CHAR('B'),
5999   EL_CHAR('C'),
6000
6001   EL_CHAR('D'),
6002   EL_CHAR('E'),
6003   EL_CHAR('F'),
6004   EL_CHAR('G'),
6005
6006   EL_CHAR('H'),
6007   EL_CHAR('I'),
6008   EL_CHAR('J'),
6009   EL_CHAR('K'),
6010
6011   EL_CHAR('L'),
6012   EL_CHAR('M'),
6013   EL_CHAR('N'),
6014   EL_CHAR('O'),
6015
6016   EL_CHAR('P'),
6017   EL_CHAR('Q'),
6018   EL_CHAR('R'),
6019   EL_CHAR('S'),
6020
6021   EL_CHAR('T'),
6022   EL_CHAR('U'),
6023   EL_CHAR('V'),
6024   EL_CHAR('W'),
6025
6026   EL_CHAR('X'),
6027   EL_CHAR('Y'),
6028   EL_CHAR('Z'),
6029   EL_CHAR('['),
6030
6031   EL_CHAR('\\'),
6032   EL_CHAR(']'),
6033   EL_CHAR('^'),
6034   EL_CHAR('_'),
6035
6036   EL_CHAR(CHAR_BYTE_COPYRIGHT),
6037   EL_CHAR(CHAR_BYTE_UMLAUT_A),
6038   EL_CHAR(CHAR_BYTE_UMLAUT_O),
6039   EL_CHAR(CHAR_BYTE_UMLAUT_U),
6040
6041   EL_CHAR(CHAR_BYTE_DEGREE),
6042   EL_CHAR(CHAR_BYTE_REGISTERED),
6043   EL_CHAR(FONT_ASCII_CURSOR),
6044   EL_CHAR(FONT_ASCII_BUTTON),
6045
6046   EL_CHAR(FONT_ASCII_UP),
6047   EL_CHAR(FONT_ASCII_DOWN),
6048   EL_CHAR(' '),
6049   EL_CHAR(' ')
6050 };
6051 static int *editor_hl_chars_ptr = editor_hl_chars;
6052 static int *editor_el_chars_ptr = editor_el_chars;
6053 static int num_editor_hl_chars = ARRAY_SIZE(editor_hl_chars);
6054 static int num_editor_el_chars = ARRAY_SIZE(editor_el_chars);
6055
6056 static int editor_hl_steel_chars[] =
6057 {
6058   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
6059   EL_STEEL_CHAR('T'),
6060   EL_STEEL_CHAR('X'),
6061   EL_STEEL_CHAR('T'),
6062 };
6063
6064 static int editor_el_steel_chars[] =
6065 {
6066   EL_STEEL_CHAR(' '),
6067   EL_STEEL_CHAR('!'),
6068   EL_STEEL_CHAR('"'),
6069   EL_STEEL_CHAR('#'),
6070
6071   EL_STEEL_CHAR('$'),
6072   EL_STEEL_CHAR('%'),
6073   EL_STEEL_CHAR('&'),
6074   EL_STEEL_CHAR('\''),
6075
6076   EL_STEEL_CHAR('('),
6077   EL_STEEL_CHAR(')'),
6078   EL_STEEL_CHAR('*'),
6079   EL_STEEL_CHAR('+'),
6080
6081   EL_STEEL_CHAR(','),
6082   EL_STEEL_CHAR('-'),
6083   EL_STEEL_CHAR('.'),
6084   EL_STEEL_CHAR('/'),
6085
6086   EL_STEEL_CHAR('0'),
6087   EL_STEEL_CHAR('1'),
6088   EL_STEEL_CHAR('2'),
6089   EL_STEEL_CHAR('3'),
6090
6091   EL_STEEL_CHAR('4'),
6092   EL_STEEL_CHAR('5'),
6093   EL_STEEL_CHAR('6'),
6094   EL_STEEL_CHAR('7'),
6095
6096   EL_STEEL_CHAR('8'),
6097   EL_STEEL_CHAR('9'),
6098   EL_STEEL_CHAR(':'),
6099   EL_STEEL_CHAR(';'),
6100
6101   EL_STEEL_CHAR('<'),
6102   EL_STEEL_CHAR('='),
6103   EL_STEEL_CHAR('>'),
6104   EL_STEEL_CHAR('?'),
6105
6106   EL_STEEL_CHAR('@'),
6107   EL_STEEL_CHAR('A'),
6108   EL_STEEL_CHAR('B'),
6109   EL_STEEL_CHAR('C'),
6110
6111   EL_STEEL_CHAR('D'),
6112   EL_STEEL_CHAR('E'),
6113   EL_STEEL_CHAR('F'),
6114   EL_STEEL_CHAR('G'),
6115
6116   EL_STEEL_CHAR('H'),
6117   EL_STEEL_CHAR('I'),
6118   EL_STEEL_CHAR('J'),
6119   EL_STEEL_CHAR('K'),
6120
6121   EL_STEEL_CHAR('L'),
6122   EL_STEEL_CHAR('M'),
6123   EL_STEEL_CHAR('N'),
6124   EL_STEEL_CHAR('O'),
6125
6126   EL_STEEL_CHAR('P'),
6127   EL_STEEL_CHAR('Q'),
6128   EL_STEEL_CHAR('R'),
6129   EL_STEEL_CHAR('S'),
6130
6131   EL_STEEL_CHAR('T'),
6132   EL_STEEL_CHAR('U'),
6133   EL_STEEL_CHAR('V'),
6134   EL_STEEL_CHAR('W'),
6135
6136   EL_STEEL_CHAR('X'),
6137   EL_STEEL_CHAR('Y'),
6138   EL_STEEL_CHAR('Z'),
6139   EL_STEEL_CHAR('['),
6140
6141   EL_STEEL_CHAR('\\'),
6142   EL_STEEL_CHAR(']'),
6143   EL_STEEL_CHAR('^'),
6144   EL_STEEL_CHAR('_'),
6145
6146   EL_STEEL_CHAR(CHAR_BYTE_COPYRIGHT),
6147   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_A),
6148   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_O),
6149   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_U),
6150
6151   EL_STEEL_CHAR(CHAR_BYTE_DEGREE),
6152   EL_STEEL_CHAR(CHAR_BYTE_REGISTERED),
6153   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
6154   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
6155
6156   EL_STEEL_CHAR(FONT_ASCII_UP),
6157   EL_STEEL_CHAR(FONT_ASCII_DOWN),
6158   EL_STEEL_CHAR(' '),
6159   EL_STEEL_CHAR(' ')
6160 };
6161 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
6162 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
6163 static int num_editor_hl_steel_chars = ARRAY_SIZE(editor_hl_steel_chars);
6164 static int num_editor_el_steel_chars = ARRAY_SIZE(editor_el_steel_chars);
6165
6166 static int editor_hl_custom[] =
6167 {
6168   EL_INTERNAL_CASCADE_CE_ACTIVE,
6169   EL_CHAR('C'),
6170   EL_CHAR('E'),
6171   EL_EMPTY,
6172 };
6173
6174 static int editor_el_custom[] =
6175 {
6176   EL_CUSTOM_START + 0,
6177   EL_CUSTOM_START + 1,
6178   EL_CUSTOM_START + 2,
6179   EL_CUSTOM_START + 3,
6180
6181   EL_CUSTOM_START + 4,
6182   EL_CUSTOM_START + 5,
6183   EL_CUSTOM_START + 6,
6184   EL_CUSTOM_START + 7,
6185
6186   EL_CUSTOM_START + 8,
6187   EL_CUSTOM_START + 9,
6188   EL_CUSTOM_START + 10,
6189   EL_CUSTOM_START + 11,
6190
6191   EL_CUSTOM_START + 12,
6192   EL_CUSTOM_START + 13,
6193   EL_CUSTOM_START + 14,
6194   EL_CUSTOM_START + 15,
6195
6196   EL_CUSTOM_START + 16,
6197   EL_CUSTOM_START + 17,
6198   EL_CUSTOM_START + 18,
6199   EL_CUSTOM_START + 19,
6200
6201   EL_CUSTOM_START + 20,
6202   EL_CUSTOM_START + 21,
6203   EL_CUSTOM_START + 22,
6204   EL_CUSTOM_START + 23,
6205
6206   EL_CUSTOM_START + 24,
6207   EL_CUSTOM_START + 25,
6208   EL_CUSTOM_START + 26,
6209   EL_CUSTOM_START + 27,
6210
6211   EL_CUSTOM_START + 28,
6212   EL_CUSTOM_START + 29,
6213   EL_CUSTOM_START + 30,
6214   EL_CUSTOM_START + 31,
6215
6216   EL_CUSTOM_START + 32,
6217   EL_CUSTOM_START + 33,
6218   EL_CUSTOM_START + 34,
6219   EL_CUSTOM_START + 35,
6220
6221   EL_CUSTOM_START + 36,
6222   EL_CUSTOM_START + 37,
6223   EL_CUSTOM_START + 38,
6224   EL_CUSTOM_START + 39,
6225
6226   EL_CUSTOM_START + 40,
6227   EL_CUSTOM_START + 41,
6228   EL_CUSTOM_START + 42,
6229   EL_CUSTOM_START + 43,
6230
6231   EL_CUSTOM_START + 44,
6232   EL_CUSTOM_START + 45,
6233   EL_CUSTOM_START + 46,
6234   EL_CUSTOM_START + 47,
6235
6236   EL_CUSTOM_START + 48,
6237   EL_CUSTOM_START + 49,
6238   EL_CUSTOM_START + 50,
6239   EL_CUSTOM_START + 51,
6240
6241   EL_CUSTOM_START + 52,
6242   EL_CUSTOM_START + 53,
6243   EL_CUSTOM_START + 54,
6244   EL_CUSTOM_START + 55,
6245
6246   EL_CUSTOM_START + 56,
6247   EL_CUSTOM_START + 57,
6248   EL_CUSTOM_START + 58,
6249   EL_CUSTOM_START + 59,
6250
6251   EL_CUSTOM_START + 60,
6252   EL_CUSTOM_START + 61,
6253   EL_CUSTOM_START + 62,
6254   EL_CUSTOM_START + 63,
6255
6256   EL_CUSTOM_START + 64,
6257   EL_CUSTOM_START + 65,
6258   EL_CUSTOM_START + 66,
6259   EL_CUSTOM_START + 67,
6260
6261   EL_CUSTOM_START + 68,
6262   EL_CUSTOM_START + 69,
6263   EL_CUSTOM_START + 70,
6264   EL_CUSTOM_START + 71,
6265
6266   EL_CUSTOM_START + 72,
6267   EL_CUSTOM_START + 73,
6268   EL_CUSTOM_START + 74,
6269   EL_CUSTOM_START + 75,
6270
6271   EL_CUSTOM_START + 76,
6272   EL_CUSTOM_START + 77,
6273   EL_CUSTOM_START + 78,
6274   EL_CUSTOM_START + 79,
6275
6276   EL_CUSTOM_START + 80,
6277   EL_CUSTOM_START + 81,
6278   EL_CUSTOM_START + 82,
6279   EL_CUSTOM_START + 83,
6280
6281   EL_CUSTOM_START + 84,
6282   EL_CUSTOM_START + 85,
6283   EL_CUSTOM_START + 86,
6284   EL_CUSTOM_START + 87,
6285
6286   EL_CUSTOM_START + 88,
6287   EL_CUSTOM_START + 89,
6288   EL_CUSTOM_START + 90,
6289   EL_CUSTOM_START + 91,
6290
6291   EL_CUSTOM_START + 92,
6292   EL_CUSTOM_START + 93,
6293   EL_CUSTOM_START + 94,
6294   EL_CUSTOM_START + 95,
6295
6296   EL_CUSTOM_START + 96,
6297   EL_CUSTOM_START + 97,
6298   EL_CUSTOM_START + 98,
6299   EL_CUSTOM_START + 99,
6300
6301   EL_CUSTOM_START + 100,
6302   EL_CUSTOM_START + 101,
6303   EL_CUSTOM_START + 102,
6304   EL_CUSTOM_START + 103,
6305
6306   EL_CUSTOM_START + 104,
6307   EL_CUSTOM_START + 105,
6308   EL_CUSTOM_START + 106,
6309   EL_CUSTOM_START + 107,
6310
6311   EL_CUSTOM_START + 108,
6312   EL_CUSTOM_START + 109,
6313   EL_CUSTOM_START + 110,
6314   EL_CUSTOM_START + 111,
6315
6316   EL_CUSTOM_START + 112,
6317   EL_CUSTOM_START + 113,
6318   EL_CUSTOM_START + 114,
6319   EL_CUSTOM_START + 115,
6320
6321   EL_CUSTOM_START + 116,
6322   EL_CUSTOM_START + 117,
6323   EL_CUSTOM_START + 118,
6324   EL_CUSTOM_START + 119,
6325
6326   EL_CUSTOM_START + 120,
6327   EL_CUSTOM_START + 121,
6328   EL_CUSTOM_START + 122,
6329   EL_CUSTOM_START + 123,
6330
6331   EL_CUSTOM_START + 124,
6332   EL_CUSTOM_START + 125,
6333   EL_CUSTOM_START + 126,
6334   EL_CUSTOM_START + 127,
6335
6336   EL_CUSTOM_START + 128,
6337   EL_CUSTOM_START + 129,
6338   EL_CUSTOM_START + 130,
6339   EL_CUSTOM_START + 131,
6340
6341   EL_CUSTOM_START + 132,
6342   EL_CUSTOM_START + 133,
6343   EL_CUSTOM_START + 134,
6344   EL_CUSTOM_START + 135,
6345
6346   EL_CUSTOM_START + 136,
6347   EL_CUSTOM_START + 137,
6348   EL_CUSTOM_START + 138,
6349   EL_CUSTOM_START + 139,
6350
6351   EL_CUSTOM_START + 140,
6352   EL_CUSTOM_START + 141,
6353   EL_CUSTOM_START + 142,
6354   EL_CUSTOM_START + 143,
6355
6356   EL_CUSTOM_START + 144,
6357   EL_CUSTOM_START + 145,
6358   EL_CUSTOM_START + 146,
6359   EL_CUSTOM_START + 147,
6360
6361   EL_CUSTOM_START + 148,
6362   EL_CUSTOM_START + 149,
6363   EL_CUSTOM_START + 150,
6364   EL_CUSTOM_START + 151,
6365
6366   EL_CUSTOM_START + 152,
6367   EL_CUSTOM_START + 153,
6368   EL_CUSTOM_START + 154,
6369   EL_CUSTOM_START + 155,
6370
6371   EL_CUSTOM_START + 156,
6372   EL_CUSTOM_START + 157,
6373   EL_CUSTOM_START + 158,
6374   EL_CUSTOM_START + 159,
6375
6376   EL_CUSTOM_START + 160,
6377   EL_CUSTOM_START + 161,
6378   EL_CUSTOM_START + 162,
6379   EL_CUSTOM_START + 163,
6380
6381   EL_CUSTOM_START + 164,
6382   EL_CUSTOM_START + 165,
6383   EL_CUSTOM_START + 166,
6384   EL_CUSTOM_START + 167,
6385
6386   EL_CUSTOM_START + 168,
6387   EL_CUSTOM_START + 169,
6388   EL_CUSTOM_START + 170,
6389   EL_CUSTOM_START + 171,
6390
6391   EL_CUSTOM_START + 172,
6392   EL_CUSTOM_START + 173,
6393   EL_CUSTOM_START + 174,
6394   EL_CUSTOM_START + 175,
6395
6396   EL_CUSTOM_START + 176,
6397   EL_CUSTOM_START + 177,
6398   EL_CUSTOM_START + 178,
6399   EL_CUSTOM_START + 179,
6400
6401   EL_CUSTOM_START + 180,
6402   EL_CUSTOM_START + 181,
6403   EL_CUSTOM_START + 182,
6404   EL_CUSTOM_START + 183,
6405
6406   EL_CUSTOM_START + 184,
6407   EL_CUSTOM_START + 185,
6408   EL_CUSTOM_START + 186,
6409   EL_CUSTOM_START + 187,
6410
6411   EL_CUSTOM_START + 188,
6412   EL_CUSTOM_START + 189,
6413   EL_CUSTOM_START + 190,
6414   EL_CUSTOM_START + 191,
6415
6416   EL_CUSTOM_START + 192,
6417   EL_CUSTOM_START + 193,
6418   EL_CUSTOM_START + 194,
6419   EL_CUSTOM_START + 195,
6420
6421   EL_CUSTOM_START + 196,
6422   EL_CUSTOM_START + 197,
6423   EL_CUSTOM_START + 198,
6424   EL_CUSTOM_START + 199,
6425
6426   EL_CUSTOM_START + 200,
6427   EL_CUSTOM_START + 201,
6428   EL_CUSTOM_START + 202,
6429   EL_CUSTOM_START + 203,
6430
6431   EL_CUSTOM_START + 204,
6432   EL_CUSTOM_START + 205,
6433   EL_CUSTOM_START + 206,
6434   EL_CUSTOM_START + 207,
6435
6436   EL_CUSTOM_START + 208,
6437   EL_CUSTOM_START + 209,
6438   EL_CUSTOM_START + 210,
6439   EL_CUSTOM_START + 211,
6440
6441   EL_CUSTOM_START + 212,
6442   EL_CUSTOM_START + 213,
6443   EL_CUSTOM_START + 214,
6444   EL_CUSTOM_START + 215,
6445
6446   EL_CUSTOM_START + 216,
6447   EL_CUSTOM_START + 217,
6448   EL_CUSTOM_START + 218,
6449   EL_CUSTOM_START + 219,
6450
6451   EL_CUSTOM_START + 220,
6452   EL_CUSTOM_START + 221,
6453   EL_CUSTOM_START + 222,
6454   EL_CUSTOM_START + 223,
6455
6456   EL_CUSTOM_START + 224,
6457   EL_CUSTOM_START + 225,
6458   EL_CUSTOM_START + 226,
6459   EL_CUSTOM_START + 227,
6460
6461   EL_CUSTOM_START + 228,
6462   EL_CUSTOM_START + 229,
6463   EL_CUSTOM_START + 230,
6464   EL_CUSTOM_START + 231,
6465
6466   EL_CUSTOM_START + 232,
6467   EL_CUSTOM_START + 233,
6468   EL_CUSTOM_START + 234,
6469   EL_CUSTOM_START + 235,
6470
6471   EL_CUSTOM_START + 236,
6472   EL_CUSTOM_START + 237,
6473   EL_CUSTOM_START + 238,
6474   EL_CUSTOM_START + 239,
6475
6476   EL_CUSTOM_START + 240,
6477   EL_CUSTOM_START + 241,
6478   EL_CUSTOM_START + 242,
6479   EL_CUSTOM_START + 243,
6480
6481   EL_CUSTOM_START + 244,
6482   EL_CUSTOM_START + 245,
6483   EL_CUSTOM_START + 246,
6484   EL_CUSTOM_START + 247,
6485
6486   EL_CUSTOM_START + 248,
6487   EL_CUSTOM_START + 249,
6488   EL_CUSTOM_START + 250,
6489   EL_CUSTOM_START + 251,
6490
6491   EL_CUSTOM_START + 252,
6492   EL_CUSTOM_START + 253,
6493   EL_CUSTOM_START + 254,
6494   EL_CUSTOM_START + 255
6495 };
6496 static int *editor_hl_custom_ptr = editor_hl_custom;
6497 static int *editor_el_custom_ptr = editor_el_custom;
6498 static int num_editor_hl_custom = ARRAY_SIZE(editor_hl_custom);
6499 static int num_editor_el_custom = ARRAY_SIZE(editor_el_custom);
6500
6501 static int editor_hl_group[] =
6502 {
6503   EL_INTERNAL_CASCADE_GE_ACTIVE,
6504   EL_CHAR('G'),
6505   EL_CHAR('E'),
6506   EL_EMPTY,
6507 };
6508
6509 static int editor_el_group[] =
6510 {
6511   EL_GROUP_START + 0,
6512   EL_GROUP_START + 1,
6513   EL_GROUP_START + 2,
6514   EL_GROUP_START + 3,
6515
6516   EL_GROUP_START + 4,
6517   EL_GROUP_START + 5,
6518   EL_GROUP_START + 6,
6519   EL_GROUP_START + 7,
6520
6521   EL_GROUP_START + 8,
6522   EL_GROUP_START + 9,
6523   EL_GROUP_START + 10,
6524   EL_GROUP_START + 11,
6525
6526   EL_GROUP_START + 12,
6527   EL_GROUP_START + 13,
6528   EL_GROUP_START + 14,
6529   EL_GROUP_START + 15,
6530
6531   EL_GROUP_START + 16,
6532   EL_GROUP_START + 17,
6533   EL_GROUP_START + 18,
6534   EL_GROUP_START + 19,
6535
6536   EL_GROUP_START + 20,
6537   EL_GROUP_START + 21,
6538   EL_GROUP_START + 22,
6539   EL_GROUP_START + 23,
6540
6541   EL_GROUP_START + 24,
6542   EL_GROUP_START + 25,
6543   EL_GROUP_START + 26,
6544   EL_GROUP_START + 27,
6545
6546   EL_GROUP_START + 28,
6547   EL_GROUP_START + 29,
6548   EL_GROUP_START + 30,
6549   EL_GROUP_START + 31
6550 };
6551 static int *editor_hl_group_ptr = editor_hl_group;
6552 static int *editor_el_group_ptr = editor_el_group;
6553 static int num_editor_hl_group = ARRAY_SIZE(editor_hl_group);
6554 static int num_editor_el_group = ARRAY_SIZE(editor_el_group);
6555
6556 static int editor_hl_empty_space[] =
6557 {
6558   EL_INTERNAL_CASCADE_ES_ACTIVE,
6559   EL_CHAR('E'),
6560   EL_CHAR('S'),
6561   EL_EMPTY,
6562 };
6563
6564 static int editor_el_empty_space[] =
6565 {
6566   EL_EMPTY_SPACE_1,
6567   EL_EMPTY_SPACE_2,
6568   EL_EMPTY_SPACE_3,
6569   EL_EMPTY_SPACE_4,
6570
6571   EL_EMPTY_SPACE_5,
6572   EL_EMPTY_SPACE_6,
6573   EL_EMPTY_SPACE_7,
6574   EL_EMPTY_SPACE_8,
6575
6576   EL_EMPTY_SPACE_9,
6577   EL_EMPTY_SPACE_10,
6578   EL_EMPTY_SPACE_11,
6579   EL_EMPTY_SPACE_12,
6580
6581   EL_EMPTY_SPACE_13,
6582   EL_EMPTY_SPACE_14,
6583   EL_EMPTY_SPACE_15,
6584   EL_EMPTY_SPACE_16
6585 };
6586 static int *editor_hl_empty_space_ptr = editor_hl_empty_space;
6587 static int *editor_el_empty_space_ptr = editor_el_empty_space;
6588 static int num_editor_hl_empty_space = ARRAY_SIZE(editor_hl_empty_space);
6589 static int num_editor_el_empty_space = ARRAY_SIZE(editor_el_empty_space);
6590
6591 static int editor_hl_reference[] =
6592 {
6593   EL_INTERNAL_CASCADE_REF_ACTIVE,
6594   EL_CHAR('R'),
6595   EL_CHAR('E'),
6596   EL_CHAR('F')
6597 };
6598
6599 static int editor_el_reference[] =
6600 {
6601   EL_TRIGGER_PLAYER,
6602   EL_TRIGGER_ELEMENT,
6603   EL_TRIGGER_CE_VALUE,
6604   EL_TRIGGER_CE_SCORE,
6605
6606   EL_SELF,
6607   EL_ANY_ELEMENT,
6608   EL_CURRENT_CE_VALUE,
6609   EL_CURRENT_CE_SCORE,
6610
6611   EL_PREV_CE_8,
6612   EL_PREV_CE_7,
6613   EL_PREV_CE_6,
6614   EL_PREV_CE_5,
6615
6616   EL_PREV_CE_4,
6617   EL_PREV_CE_3,
6618   EL_PREV_CE_2,
6619   EL_PREV_CE_1,
6620
6621   EL_NEXT_CE_1,
6622   EL_NEXT_CE_2,
6623   EL_NEXT_CE_3,
6624   EL_NEXT_CE_4,
6625
6626   EL_NEXT_CE_5,
6627   EL_NEXT_CE_6,
6628   EL_NEXT_CE_7,
6629   EL_NEXT_CE_8,
6630 };
6631 static int *editor_hl_reference_ptr = editor_hl_reference;
6632 static int *editor_el_reference_ptr = editor_el_reference;
6633 static int num_editor_hl_reference = ARRAY_SIZE(editor_hl_reference);
6634 static int num_editor_el_reference = ARRAY_SIZE(editor_el_reference);
6635
6636 static int editor_hl_user_defined[] =
6637 {
6638   EL_INTERNAL_CASCADE_USER_ACTIVE,
6639   EL_CHAR('M'),
6640   EL_CHAR('Y'),
6641   EL_EMPTY,
6642 };
6643
6644 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
6645 static int *editor_el_user_defined_ptr = NULL;
6646 static int num_editor_hl_user_defined = ARRAY_SIZE(editor_hl_user_defined);
6647 static int num_editor_el_user_defined = 0;
6648
6649 static int editor_hl_dynamic[] =
6650 {
6651   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
6652   EL_CHAR('U'),
6653   EL_CHAR('S'),
6654   EL_CHAR('E'),
6655 };
6656
6657 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
6658 static int *editor_el_dynamic_ptr = NULL;
6659 static int num_editor_hl_dynamic = ARRAY_SIZE(editor_hl_dynamic);
6660 static int num_editor_el_dynamic = 0;
6661
6662 static int editor_hl_empty[] = { EL_EMPTY };
6663 static int *editor_el_empty = NULL;     // dynamically allocated
6664
6665 static int *editor_hl_empty_ptr = editor_hl_empty;
6666 static int *editor_el_empty_ptr = NULL;
6667 static int num_editor_hl_empty = 0;
6668 static int num_editor_el_empty = 0;     // dynamically determined, if needed
6669
6670 static boolean use_el_empty = FALSE;
6671
6672 static int *editor_elements = NULL;     // dynamically allocated
6673 static int num_editor_elements = 0;     // dynamically determined
6674
6675 static boolean setup_editor_cascade_never = FALSE;
6676
6677 static boolean setup_editor_el_players                  = TRUE;
6678 static boolean setup_editor_el_boulderdash              = TRUE;
6679 static boolean setup_editor_el_boulderdash_native       = TRUE;
6680 static boolean setup_editor_el_boulderdash_effects      = TRUE;
6681 static boolean setup_editor_el_emerald_mine             = TRUE;
6682 static boolean setup_editor_el_emerald_mine_club        = TRUE;
6683 static boolean setup_editor_el_more                     = TRUE;
6684 static boolean setup_editor_el_sokoban                  = TRUE;
6685 static boolean setup_editor_el_supaplex                 = TRUE;
6686 static boolean setup_editor_el_diamond_caves            = TRUE;
6687 static boolean setup_editor_el_dx_boulderdash           = TRUE;
6688 static boolean setup_editor_el_mirror_magic             = TRUE;
6689 static boolean setup_editor_el_deflektor                = TRUE;
6690 static boolean setup_editor_el_chars                    = TRUE;
6691 static boolean setup_editor_el_steel_chars              = TRUE;
6692 static boolean setup_editor_el_custom                   = TRUE;
6693 static boolean setup_editor_el_user_defined             = TRUE;
6694 static boolean setup_editor_el_dynamic                  = TRUE;
6695
6696 static int editor_hl_unused[] = { EL_EMPTY };
6697 static int *editor_hl_unused_ptr = editor_hl_unused;
6698 static int num_editor_hl_unused = 0;
6699
6700 static struct
6701 {
6702   boolean *setup_value;
6703   boolean *setup_cascade_value;
6704
6705   int **headline_list;
6706   int *headline_list_size;
6707
6708   int **element_list;
6709   int *element_list_size;
6710
6711   boolean last_setup_value;
6712 }
6713 editor_elements_info[] =
6714 {
6715   {
6716     &setup_editor_el_players,
6717     &setup_editor_cascade_never,
6718     &editor_hl_unused_ptr,              &num_editor_hl_unused,
6719     &editor_el_players_ptr,             &num_editor_el_players
6720   },
6721   {
6722     &setup_editor_el_boulderdash,
6723     &setup.editor_cascade.el_bd,
6724     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
6725     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
6726   },
6727   {
6728     &setup_editor_el_boulderdash_native,
6729     &setup.editor_cascade.el_bd_native,
6730     &editor_hl_boulderdash_native_ptr,  &num_editor_hl_boulderdash_native,
6731     &editor_el_boulderdash_native_ptr,  &num_editor_el_boulderdash_native
6732   },
6733   {
6734     &setup_editor_el_boulderdash_effects,
6735     &setup.editor_cascade.el_bd_effects,
6736     &editor_hl_boulderdash_effects_ptr, &num_editor_hl_boulderdash_effects,
6737     &editor_el_boulderdash_effects_ptr, &num_editor_el_boulderdash_effects
6738   },
6739   {
6740     &setup_editor_el_emerald_mine,
6741     &setup.editor_cascade.el_em,
6742     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
6743     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
6744   },
6745   {
6746     &setup_editor_el_emerald_mine_club,
6747     &setup.editor_cascade.el_emc,
6748     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
6749     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
6750   },
6751   {
6752     &setup_editor_el_more,
6753     &setup.editor_cascade.el_rnd,
6754     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
6755     &editor_el_rnd_ptr,                 &num_editor_el_rnd
6756   },
6757   {
6758     &setup_editor_el_sokoban,
6759     &setup.editor_cascade.el_sb,
6760     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
6761     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
6762   },
6763   {
6764     &setup_editor_el_supaplex,
6765     &setup.editor_cascade.el_sp,
6766     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
6767     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
6768   },
6769   {
6770     &setup_editor_el_diamond_caves,
6771     &setup.editor_cascade.el_dc,
6772     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
6773     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
6774   },
6775   {
6776     &setup_editor_el_dx_boulderdash,
6777     &setup.editor_cascade.el_dx,
6778     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
6779     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
6780   },
6781   {
6782     &setup_editor_el_mirror_magic,
6783     &setup.editor_cascade.el_mm,
6784     &editor_hl_mirror_magic_ptr,        &num_editor_hl_mirror_magic,
6785     &editor_el_mirror_magic_ptr,        &num_editor_el_mirror_magic
6786   },
6787   {
6788     &setup_editor_el_deflektor,
6789     &setup.editor_cascade.el_df,
6790     &editor_hl_deflektor_ptr,           &num_editor_hl_deflektor,
6791     &editor_el_deflektor_ptr,           &num_editor_el_deflektor
6792   },
6793   {
6794     &setup_editor_el_chars,
6795     &setup.editor_cascade.el_chars,
6796     &editor_hl_chars_ptr,               &num_editor_hl_chars,
6797     &editor_el_chars_ptr,               &num_editor_el_chars
6798   },
6799   {
6800     &setup_editor_el_steel_chars,
6801     &setup.editor_cascade.el_steel_chars,
6802     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
6803     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
6804   },
6805   {
6806     &setup_editor_el_custom,
6807     &setup.editor_cascade.el_ce,
6808     &editor_hl_custom_ptr,              &num_editor_hl_custom,
6809     &editor_el_custom_ptr,              &num_editor_el_custom
6810   },
6811   {
6812     &setup_editor_el_custom,
6813     &setup.editor_cascade.el_ge,
6814     &editor_hl_group_ptr,               &num_editor_hl_group,
6815     &editor_el_group_ptr,               &num_editor_el_group
6816   },
6817   {
6818     &setup_editor_el_custom,
6819     &setup.editor_cascade.el_es,
6820     &editor_hl_empty_space_ptr,         &num_editor_hl_empty_space,
6821     &editor_el_empty_space_ptr,         &num_editor_el_empty_space
6822   },
6823   {
6824     &setup_editor_el_custom,
6825     &setup.editor_cascade.el_ref,
6826     &editor_hl_reference_ptr,           &num_editor_hl_reference,
6827     &editor_el_reference_ptr,           &num_editor_el_reference
6828   },
6829   {
6830     &setup_editor_el_user_defined,
6831     &setup.editor_cascade.el_user,
6832     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
6833     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
6834   },
6835   {
6836     &setup_editor_el_dynamic,
6837     &setup.editor_cascade.el_dynamic,
6838     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
6839     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
6840   },
6841   {
6842     &use_el_empty,
6843     &use_el_empty,
6844     &editor_hl_empty_ptr,               &num_editor_hl_empty,
6845     &editor_el_empty_ptr,               &num_editor_el_empty,
6846   },
6847   {
6848     NULL,
6849     NULL,
6850     NULL,                               NULL,
6851     NULL,                               NULL
6852   }
6853 };
6854
6855 static struct XY xy_directions[] =
6856 {
6857   { -1,  0 },
6858   { +1,  0 },
6859   {  0, -1 },
6860   {  0, +1 }
6861 };
6862
6863
6864 // ----------------------------------------------------------------------------
6865 // functions
6866 // ----------------------------------------------------------------------------
6867
6868 static int getMaxInfoTextLength(void)
6869 {
6870   return (SXSIZE / getFontWidth(INFOTEXT_FONT));
6871 }
6872
6873 static int getTextWidthForGadget(char *text)
6874 {
6875   if (text == NULL)
6876     return 0;
6877
6878   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
6879 }
6880
6881 static int getTextWidthForDrawingArea(char *text)
6882 {
6883   if (text == NULL)
6884     return 0;
6885
6886   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_BORDER_SIZE);
6887 }
6888
6889 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
6890 {
6891   return (gi->x + gi->width + getTextWidthForGadget(text));
6892 }
6893
6894 static char *getElementInfoText(int element)
6895 {
6896   char *info_text = NULL;
6897
6898   if (element < MAX_NUM_ELEMENTS)
6899   {
6900     if (strlen(element_info[element].description) > 0)
6901       info_text = element_info[element].description;
6902     else if (element_info[element].custom_description != NULL)
6903       info_text = element_info[element].custom_description;
6904     else if (element_info[element].editor_description != NULL)
6905       info_text = element_info[element].editor_description;
6906   }
6907
6908   if (info_text == NULL)
6909     info_text = INFOTEXT_UNKNOWN_ELEMENT;
6910
6911   return info_text;
6912 }
6913
6914 static char *getElementDescriptionFilenameExt(char *basename)
6915 {
6916   char *elements_subdir = ELEMENTS_DIRECTORY;
6917   static char *elements_subdir2 = NULL;
6918   static char *filename = NULL;
6919
6920   if (elements_subdir2 == NULL)
6921     elements_subdir2 = getPath2(DOCS_DIRECTORY, elements_subdir);
6922
6923   checked_free(filename);
6924
6925   // 1st try: look for element description in current level set directory
6926   filename = getPath3(getCurrentLevelDir(), elements_subdir2, basename);
6927   if (fileExists(filename))
6928     return filename;
6929
6930   free(filename);
6931
6932   // 2nd try: look for element description in the game's base directory
6933   filename = getPath3(options.docs_directory, elements_subdir, basename);
6934   if (fileExists(filename))
6935     return filename;
6936
6937   return NULL;
6938 }
6939
6940 static char *getElementDescriptionFilename(int element)
6941 {
6942   char basename[MAX_FILENAME_LEN];
6943   char *filename;
6944
6945   // 1st try: look for element description file for exactly this element
6946   sprintf(basename, "%s.txt", element_info[element].token_name);
6947   filename = getElementDescriptionFilenameExt(basename);
6948   if (filename != NULL)
6949     return filename;
6950
6951   // 2nd try: look for element description file for this element's class
6952   sprintf(basename, "%s.txt", element_info[element].class_name);
6953   filename = getElementDescriptionFilenameExt(basename);
6954   if (filename != NULL)
6955     return filename;
6956
6957   // 3rd try: look for generic fallback text file for any element
6958   filename = getElementDescriptionFilenameExt(FALLBACK_TEXT_FILENAME);
6959   if (filename != NULL)
6960     return filename;
6961
6962   return NULL;
6963 }
6964
6965 static boolean suppressBorderElement(void)
6966 {
6967   return (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
6968           lev_fieldx <= MAX_ED_FIELDX &&
6969           lev_fieldy <= MAX_ED_FIELDY);
6970 }
6971
6972 static void InitDynamicEditorElementList(int **elements, int *num_elements)
6973 {
6974   boolean element_found[NUM_FILE_ELEMENTS];
6975   int i, x, y;
6976
6977   // initialize list of used elements to "not used"
6978   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6979     element_found[i] = FALSE;
6980
6981   // find all elements used in current level
6982   for (y = 0; y < lev_fieldy; y++)
6983   {
6984     for (x = 0; x < lev_fieldx; x++)
6985     {
6986       if (Tile[x][y] >= NUM_FILE_ELEMENTS)      // should never happen
6987         continue;
6988
6989       if (IS_MM_WALL(Tile[x][y]))
6990         element_found[map_mm_wall_element(Tile[x][y])] = TRUE;
6991       else
6992         element_found[Tile[x][y]] = TRUE;
6993     }
6994   }
6995
6996   *num_elements = 0;
6997
6998   // count number of elements used in current level
6999   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7000     if (element_found[i])
7001       (*num_elements)++;
7002
7003   // add space for up to 3 more elements for padding that may be needed
7004   *num_elements += 3;
7005
7006   // free memory for old list of elements, if needed
7007   checked_free(*elements);
7008
7009   // allocate memory for new list of elements
7010   *elements = checked_malloc(*num_elements * sizeof(int));
7011
7012   *num_elements = 0;
7013
7014   // add all elements used in current level (non-custom/group/empty elements)
7015   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7016     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) ||
7017                               IS_GROUP_ELEMENT(i) ||
7018                               IS_EMPTY_ELEMENT(i)))
7019       (*elements)[(*num_elements)++] = i;
7020
7021   // add all elements used in current level (custom/group/empty elements)
7022   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7023     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) ||
7024                              IS_GROUP_ELEMENT(i) ||
7025                              IS_EMPTY_ELEMENT(i)))
7026       (*elements)[(*num_elements)++] = i;
7027
7028   while (*num_elements % 4)     // pad with empty elements, if needed
7029     (*elements)[(*num_elements)++] = EL_EMPTY;
7030 }
7031
7032 static void ReinitializeElementList_EnableSections(void)
7033 {
7034   // default: enable all element sections
7035
7036   setup_editor_el_players               = TRUE;
7037   setup_editor_el_boulderdash           = TRUE;
7038   setup_editor_el_boulderdash_native    = TRUE;
7039   setup_editor_el_boulderdash_effects   = TRUE;
7040   setup_editor_el_emerald_mine          = TRUE;
7041   setup_editor_el_emerald_mine_club     = TRUE;
7042   setup_editor_el_more                  = TRUE;
7043   setup_editor_el_sokoban               = TRUE;
7044   setup_editor_el_supaplex              = TRUE;
7045   setup_editor_el_diamond_caves         = TRUE;
7046   setup_editor_el_dx_boulderdash        = TRUE;
7047   setup_editor_el_mirror_magic          = TRUE;
7048   setup_editor_el_deflektor             = TRUE;
7049   setup_editor_el_chars                 = TRUE;
7050   setup_editor_el_steel_chars           = TRUE;
7051
7052   setup_editor_el_custom                = TRUE;
7053   setup_editor_el_user_defined          = TRUE;
7054   setup_editor_el_dynamic               = TRUE;
7055
7056   // now disable all element sections not to be displayed
7057
7058   if (!setup.editor.el_classic)
7059   {
7060     setup_editor_el_players             = FALSE;
7061     setup_editor_el_boulderdash         = FALSE;
7062     setup_editor_el_boulderdash_native  = FALSE;
7063     setup_editor_el_boulderdash_effects = FALSE;
7064     setup_editor_el_emerald_mine        = FALSE;
7065     setup_editor_el_emerald_mine_club   = FALSE;
7066     setup_editor_el_more                = FALSE;
7067     setup_editor_el_sokoban             = FALSE;
7068     setup_editor_el_supaplex            = FALSE;
7069     setup_editor_el_diamond_caves       = FALSE;
7070     setup_editor_el_dx_boulderdash      = FALSE;
7071     setup_editor_el_mirror_magic        = FALSE;
7072     setup_editor_el_deflektor           = FALSE;
7073     setup_editor_el_chars               = FALSE;
7074     setup_editor_el_steel_chars         = FALSE;
7075   }
7076
7077   if (!setup.editor.el_custom)
7078   {
7079     setup_editor_el_custom              = FALSE;
7080   }
7081
7082   if (!setup.editor.el_user_defined)
7083   {
7084     setup_editor_el_user_defined        = FALSE;
7085   }
7086
7087   if (!setup.editor.el_dynamic)
7088   {
7089     setup_editor_el_dynamic             = FALSE;
7090   }
7091
7092   if (level.game_engine_type == GAME_ENGINE_TYPE_RND)
7093   {
7094     setup_editor_el_boulderdash_native  = FALSE;
7095     setup_editor_el_boulderdash_effects = FALSE;
7096     setup_editor_el_mirror_magic        = FALSE;
7097     setup_editor_el_deflektor           = FALSE;
7098   }
7099   else if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
7100   {
7101     setup_editor_el_players             = FALSE;
7102     setup_editor_el_boulderdash         = FALSE;
7103     setup_editor_el_emerald_mine        = FALSE;
7104     setup_editor_el_emerald_mine_club   = FALSE;
7105     setup_editor_el_more                = FALSE;
7106     setup_editor_el_sokoban             = FALSE;
7107     setup_editor_el_supaplex            = FALSE;
7108     setup_editor_el_diamond_caves       = FALSE;
7109     setup_editor_el_dx_boulderdash      = FALSE;
7110     setup_editor_el_mirror_magic        = FALSE;
7111     setup_editor_el_deflektor           = FALSE;
7112     setup_editor_el_chars               = FALSE;
7113     setup_editor_el_steel_chars         = FALSE;
7114
7115     setup_editor_el_custom              = FALSE;
7116   }
7117   else if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
7118   {
7119     setup_editor_el_boulderdash         = FALSE;
7120     setup_editor_el_boulderdash_native  = FALSE;
7121     setup_editor_el_boulderdash_effects = FALSE;
7122     setup_editor_el_more                = FALSE;
7123     setup_editor_el_sokoban             = FALSE;
7124     setup_editor_el_supaplex            = FALSE;
7125     setup_editor_el_diamond_caves       = FALSE;
7126     setup_editor_el_dx_boulderdash      = FALSE;
7127     setup_editor_el_mirror_magic        = FALSE;
7128     setup_editor_el_deflektor           = FALSE;
7129     setup_editor_el_steel_chars         = FALSE;
7130
7131     setup_editor_el_custom              = FALSE;
7132   }
7133   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
7134   {
7135     setup_editor_el_players             = FALSE;
7136     setup_editor_el_boulderdash         = FALSE;
7137     setup_editor_el_boulderdash_native  = FALSE;
7138     setup_editor_el_boulderdash_effects = FALSE;
7139     setup_editor_el_emerald_mine        = FALSE;
7140     setup_editor_el_emerald_mine_club   = FALSE;
7141     setup_editor_el_more                = FALSE;
7142     setup_editor_el_sokoban             = FALSE;
7143     setup_editor_el_diamond_caves       = FALSE;
7144     setup_editor_el_dx_boulderdash      = FALSE;
7145     setup_editor_el_mirror_magic        = FALSE;
7146     setup_editor_el_deflektor           = FALSE;
7147     setup_editor_el_chars               = FALSE;
7148     setup_editor_el_steel_chars         = FALSE;
7149
7150     setup_editor_el_custom              = FALSE;
7151   }
7152   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
7153   {
7154     setup_editor_el_players             = FALSE;
7155     setup_editor_el_boulderdash         = FALSE;
7156     setup_editor_el_boulderdash_native  = FALSE;
7157     setup_editor_el_boulderdash_effects = FALSE;
7158     setup_editor_el_emerald_mine        = FALSE;
7159     setup_editor_el_emerald_mine_club   = FALSE;
7160     setup_editor_el_more                = FALSE;
7161     setup_editor_el_sokoban             = FALSE;
7162     setup_editor_el_supaplex            = FALSE;
7163     setup_editor_el_diamond_caves       = FALSE;
7164     setup_editor_el_dx_boulderdash      = FALSE;
7165     setup_editor_el_steel_chars         = FALSE;
7166
7167     setup_editor_el_custom              = FALSE;
7168   }
7169 }
7170
7171 static void ReinitializeElementList(void)
7172 {
7173   static boolean initialization_needed = TRUE;
7174   int pos = 0;
7175   int i, j;
7176
7177   ReinitializeElementList_EnableSections();
7178
7179   if (initialization_needed)
7180   {
7181     LoadSetup_EditorCascade();          // load last editor cascade state
7182
7183     // initialize editor cascade element from saved cascade state
7184     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7185     {
7186       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
7187       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
7188
7189       if (IS_EDITOR_CASCADE(*cascade_element))
7190         *cascade_element =
7191           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
7192            EL_CASCADE_INACTIVE(*cascade_element));
7193     }
7194
7195     initialization_needed = FALSE;
7196   }
7197
7198   checked_free(editor_elements);
7199
7200   // reload optional user defined element list for each invocation of editor
7201   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
7202                                    &num_editor_el_user_defined);
7203
7204   // initialize dynamic level element list for each invocation of editor
7205   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
7206                                &num_editor_el_dynamic);
7207
7208   // initialize list of empty elements (used for padding, if needed)
7209   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7210     editor_el_empty[i] = EL_EMPTY;
7211
7212   // do some sanity checks for each element from element list
7213   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7214   {
7215     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
7216     {
7217       int element = (*editor_elements_info[i].element_list)[j];
7218
7219       if (element >= NUM_FILE_ELEMENTS)
7220         Warn("editor element %d is runtime element", element);
7221
7222       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
7223         Warn("no element description text for element %d", element);
7224     }
7225   }
7226
7227   num_editor_elements = 0;
7228   use_el_empty = FALSE;
7229
7230   // determine size of element list
7231   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7232   {
7233     if (*editor_elements_info[i].setup_value)
7234     {
7235       boolean found_inactive_cascade = FALSE;
7236
7237       if (setup.editor.el_headlines)
7238       {
7239         // required for correct padding of palette headline buttons
7240         if (*editor_elements_info[i].headline_list_size > 0)
7241           num_editor_elements += ED_ELEMENTLIST_COLS;
7242
7243         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
7244         {
7245           int element = (*editor_elements_info[i].headline_list)[j];
7246
7247           if (IS_EDITOR_CASCADE_INACTIVE(element))
7248             found_inactive_cascade = TRUE;
7249         }
7250       }
7251
7252       if (found_inactive_cascade)
7253         continue;
7254
7255       // required for correct padding of palette element buttons
7256       int element_list_size = *editor_elements_info[i].element_list_size;
7257       int element_rows =
7258         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
7259       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
7260
7261       num_editor_elements += element_buttons;
7262     }
7263   }
7264
7265   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
7266   {
7267     // offer at least as many elements as element buttons exist
7268     use_el_empty = TRUE;
7269     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
7270
7271     num_editor_elements += num_editor_el_empty;
7272   }
7273   else
7274   {
7275     num_editor_el_empty = 0;
7276   }
7277
7278   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
7279
7280   // fill element list
7281   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7282   {
7283     boolean found_inactive_cascade = FALSE;
7284
7285     if (*editor_elements_info[i].setup_value)
7286     {
7287       if (setup.editor.el_headlines)
7288       {
7289         // required for correct padding of palette headline buttons
7290         int headline_size = (*editor_elements_info[i].headline_list_size > 0 ?
7291                              ED_ELEMENTLIST_COLS : 0);
7292
7293         for (j = 0; j < headline_size; j++)
7294         {
7295           // use empty elements for padding of palette headline buttons
7296           int element = (j < *editor_elements_info[i].headline_list_size ?
7297                          (*editor_elements_info[i].headline_list)[j] :
7298                          editor_el_empty[0]);
7299
7300           editor_elements[pos++] = element;
7301
7302           if (IS_EDITOR_CASCADE_INACTIVE(element))
7303             found_inactive_cascade = TRUE;
7304         }
7305       }
7306
7307       if (found_inactive_cascade)
7308         continue;
7309
7310       // required for correct padding of palette element buttons
7311       int element_list_size = *editor_elements_info[i].element_list_size;
7312       int element_rows =
7313         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
7314       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
7315
7316       // copy all elements from element list
7317       for (j = 0; j < element_list_size; j++)
7318         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
7319
7320       // use empty elements for padding of palette element buttons
7321       for (j = 0; j < element_buttons - element_list_size; j++)
7322         editor_elements[pos++] = editor_el_empty[0];
7323     }
7324   }
7325
7326   // (this function is also called before editor gadgets are initialized!)
7327   AdjustElementListScrollbar();
7328 }
7329
7330 void PrintEditorElementList(void)
7331 {
7332   boolean *stop = &setup_editor_el_user_defined;
7333   int i, j;
7334
7335   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
7336   {
7337     int cascade_element = (*editor_elements_info[i].headline_list)[0];
7338
7339     if (IS_EDITOR_CASCADE(cascade_element))
7340     {
7341       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
7342       char *headline = element_info[cascade_element_show].editor_description;
7343
7344       PrintLineWithPrefix("# ", "-", 77);
7345       Print("# %s\n", headline);
7346       PrintLineWithPrefix("# ", "-", 77);
7347     }
7348
7349     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
7350     {
7351       int element = (*editor_elements_info[i].headline_list)[j];
7352
7353       if (IS_EDITOR_CASCADE(element))
7354         element = EL_CHAR_MINUS;
7355
7356       Print("# %s\n", element_info[element].token_name);
7357     }
7358
7359     if (j > 0)
7360       Print("#\n");
7361
7362     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
7363     {
7364       int element = (*editor_elements_info[i].element_list)[j];
7365
7366       Print("# %s\n", element_info[element].token_name);
7367     }
7368
7369     if (j > 0)
7370       Print("#\n");
7371   }
7372 }
7373
7374 static void ReinitializeElementListButtons(void)
7375 {
7376   static boolean last_setup_value_headlines = FALSE;
7377   static boolean initialization_needed = TRUE;
7378   int i;
7379
7380   if (!initialization_needed)   // check if editor element setup has changed
7381   {
7382     if (last_setup_value_headlines != setup.editor.el_headlines)
7383       initialization_needed = TRUE;
7384
7385     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7386       if (editor_elements_info[i].last_setup_value !=
7387           *editor_elements_info[i].setup_value)
7388         initialization_needed = TRUE;
7389   }
7390
7391   if (!initialization_needed)
7392     return;
7393
7394   FreeLevelEditorGadgets();
7395   CreateLevelEditorGadgets();
7396
7397   // store current setup values for next invocation of this function
7398   last_setup_value_headlines = setup.editor.el_headlines;
7399   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7400     editor_elements_info[i].last_setup_value =
7401       *editor_elements_info[i].setup_value;
7402
7403   initialization_needed = FALSE;
7404 }
7405
7406 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
7407                               boolean input)
7408 {
7409   int border_graphic =
7410     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
7411   struct GraphicInfo *g = &graphic_info[border_graphic];
7412   Bitmap *src_bitmap = g->bitmap;
7413   int src_x = g->src_x;
7414   int src_y = g->src_y;
7415   int border_size = g->border_size;
7416   int border_xpos = g->width  - border_size;
7417   int border_ypos = g->height - border_size;
7418   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
7419   int i;
7420
7421   BlitBitmap(src_bitmap, drawto, src_x, src_y,
7422              border_size, border_size,
7423              dest_x - border_size, dest_y - border_size);
7424   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y,
7425              border_size, border_size,
7426              dest_x + width, dest_y - border_size);
7427   BlitBitmap(src_bitmap, drawto, src_x, src_y + border_ypos,
7428              border_size, border_size,
7429              dest_x - border_size, dest_y + height);
7430   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_ypos,
7431              border_size, border_size,
7432              dest_x + width, dest_y + height);
7433
7434   for (i = 0; i < width / tilesize; i++)
7435   {
7436     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y,
7437                tilesize, border_size,
7438                dest_x + i * tilesize, dest_y - border_size);
7439     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y + border_ypos,
7440                tilesize, border_size,
7441                dest_x + i * tilesize, dest_y + height);
7442   }
7443
7444   for (i = 0; i < height / tilesize; i++)
7445   {
7446     BlitBitmap(src_bitmap, drawto, src_x, src_y + border_size,
7447                border_size, tilesize,
7448                dest_x - border_size, dest_y + i * tilesize);
7449     BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_size,
7450                border_size, tilesize,
7451                dest_x + width, dest_y + i * tilesize);
7452   }
7453
7454   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
7455 }
7456
7457 static void DrawEditorLevelBorderLine(int x, int y, int xsize, int ysize)
7458 {
7459   int xsize_tile = MAX(ed_tilesize, xsize);
7460   int ysize_tile = MAX(ed_tilesize, ysize);
7461   int xsize_full = xsize + 1;
7462   int ysize_full = ysize + 1;
7463   int xsize_thin = (xsize < ed_tilesize ? 1 : xsize);
7464   int ysize_thin = (ysize < ed_tilesize ? 1 : ysize);
7465   Pixel line_color = getTabulatorBarColor();
7466
7467   if (line_color == BLACK_PIXEL)                // black => transparent
7468     return;
7469
7470   FillRectangle(drawto, SX + x, SY + y, xsize_tile, ysize_tile, BLACK_PIXEL);
7471   FillRectangle(drawto, SX + x, SY + y, xsize_full, ysize_full, line_color);
7472   FillRectangle(drawto, SX + x, SY + y, xsize_thin, ysize_thin, BLACK_PIXEL);
7473 }
7474
7475 static void DrawEditorLevelBorderLinesIfNeeded(void)
7476 {
7477   int xsize = lev_fieldx * ed_tilesize;
7478   int ysize = lev_fieldy * ed_tilesize;
7479   int line_size = getTabulatorBarHeight();
7480
7481   if (!suppressBorderElement())
7482     return;
7483
7484   // draw little border line around editable level playfield
7485
7486   if (xsize < SXSIZE)
7487     DrawEditorLevelBorderLine(xsize, 0, line_size, ysize);
7488
7489   if (ysize < SYSIZE)
7490     DrawEditorLevelBorderLine(0, ysize, xsize, line_size);
7491
7492   if (xsize < SXSIZE && ysize < SYSIZE)
7493     DrawEditorLevelBorderLine(xsize, ysize, line_size, line_size);
7494 }
7495
7496 static void DrawEditorElement(int x, int y, int element)
7497 {
7498   DrawSizedElement(x, y, element, ed_tilesize);
7499 }
7500
7501 static void DrawEditorElementThruMask(int x, int y, int element)
7502 {
7503   DrawSizedElementThruMask(x, y, element, ed_tilesize);
7504 }
7505
7506 static void DrawEditorElementOrWall(int x, int y, int scroll_x, int scroll_y)
7507 {
7508   DrawSizedElementOrWall(x, y, scroll_x, scroll_y, ed_tilesize);
7509 }
7510
7511 static void DrawEditorLevel(int size_x, int size_y, int scroll_x, int scroll_y)
7512 {
7513   DrawSizedLevel(size_x, size_y, scroll_x, scroll_y, ed_tilesize);
7514   DrawEditorLevelBorderLinesIfNeeded();
7515 }
7516
7517 static void DrawDrawingArea(int id)
7518 {
7519   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7520   int x, y;
7521
7522   int *value = drawingarea_info[id].value;
7523   int area_xsize = drawingarea_info[id].area_xsize;
7524   int area_ysize = drawingarea_info[id].area_ysize;
7525   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
7526
7527   for (x = 0; x < area_xsize; x++)
7528   {
7529     for (y = 0; y < area_ysize; y++)
7530     {
7531       int element = value[x * area_ysize + y];
7532       int graphic;
7533       int frame;
7534
7535       getEditorGraphicAndFrame(element, &graphic, &frame, TRUE);
7536
7537       DrawSizedGraphicExt(drawto,
7538                           gi->x + x * tilesize,
7539                           gi->y + y * tilesize,
7540                           graphic, frame, tilesize);
7541     }
7542   }
7543 }
7544
7545 static void ScrollEditorLevel(int from_x, int from_y, int scroll)
7546 {
7547   int x, y;
7548   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
7549   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
7550
7551   BlitBitmap(drawto, drawto,
7552              SX + (dx == -1 ? ed_tilesize : 0),
7553              SY + (dy == -1 ? ed_tilesize : 0),
7554              (ed_fieldx * ed_tilesize) - (dx != 0 ? ed_tilesize : 0),
7555              (ed_fieldy * ed_tilesize) - (dy != 0 ? ed_tilesize : 0),
7556              SX + (dx == +1 ? ed_tilesize : 0),
7557              SY + (dy == +1 ? ed_tilesize : 0));
7558
7559   if (dx)
7560   {
7561     x = (dx == 1 ? 0 : ed_fieldx - 1);
7562     for (y = 0; y < ed_fieldy; y++)
7563       DrawEditorElementOrWall(x, y, from_x, from_y);
7564   }
7565   else if (dy)
7566   {
7567     y = (dy == 1 ? 0 : ed_fieldy - 1);
7568     for (x = 0; x < ed_fieldx; x++)
7569       DrawEditorElementOrWall(x, y, from_x, from_y);
7570   }
7571
7572   redraw_mask |= REDRAW_FIELD;
7573   BackToFront();
7574 }
7575
7576 static void getEditorGraphicAndFrame(int element, int *graphic, int *frame, boolean use_editor_gfx)
7577 {
7578   if (use_editor_gfx)
7579   {
7580     *graphic = el2edimg(element);
7581     *frame = 0;
7582   }
7583   else
7584   {
7585     *graphic = el2img(element);
7586     *frame = (ANIM_MODE(*graphic) == ANIM_CE_VALUE ?
7587               custom_element.ce_value_fixed_initial :
7588               ANIM_MODE(*graphic) == ANIM_CE_SCORE ?
7589               custom_element.collect_score_initial : FrameCounter);
7590   }
7591
7592   if (*graphic == IMG_UNKNOWN)
7593   {
7594     // no graphic defined -- if BD style, try to get runtime ("effect") element graphics
7595     // (normal BD style elements have graphics, but runtime ("effects") elements do not)
7596     int element_bd = map_element_RND_to_BD_cave(element);
7597
7598     if (element_bd != O_UNKNOWN)
7599     {
7600       struct GraphicInfo_BD *g_bd = &graphic_info_bd_object[element_bd][0];
7601
7602       *graphic = g_bd->graphic;
7603       *frame   = g_bd->frame;
7604     }
7605   }
7606 }
7607
7608 static void getEditorGraphicSource(int element, int tile_size, Bitmap **bitmap,
7609                                    int *x, int *y)
7610 {
7611   int graphic;
7612   int frame;
7613
7614   getEditorGraphicAndFrame(element, &graphic, &frame, TRUE);
7615
7616   getSizedGraphicSource(graphic, frame, tile_size, bitmap, x, y);
7617 }
7618
7619 static void CreateControlButtons(void)
7620 {
7621   struct GadgetInfo *gi;
7622   int i;
7623
7624   // create toolbox buttons
7625   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
7626   {
7627     int type_id = controlbutton_info[i].gadget_id;      // same as gadget ID here
7628     int id = controlbutton_info[i].gadget_id;
7629     int type = controlbutton_info[i].gadget_type;
7630     int graphic = controlbutton_info[i].graphic;
7631     struct XYTileSize *pos = controlbutton_info[i].pos;
7632     struct GraphicInfo *gd = &graphic_info[graphic];
7633     Bitmap *deco_bitmap = NULL;
7634     int deco_x = 0, deco_y = 0, deco_xpos = 0, deco_ypos = 0;
7635     int tile_size = 0, deco_shift = 0;
7636     boolean deco_masked = FALSE;
7637     int gd_x1 = gd->src_x;
7638     int gd_y1 = gd->src_y;
7639     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7640     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7641     int gd_x1a = gd->src_x + gd->active_xoffset;
7642     int gd_y1a = gd->src_y + gd->active_yoffset;
7643     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
7644     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
7645     int x = pos->x;
7646     int y = pos->y;
7647     unsigned int event_mask;
7648     int radio_button_nr = RADIO_NR_NONE;
7649     boolean checked = FALSE;
7650
7651     if (type_id != i)
7652       Fail("'controlbutton_info' structure corrupted at index %d -- please fix", i);
7653
7654     if (type == GD_TYPE_RADIO_BUTTON)
7655     {
7656       event_mask = GD_EVENT_PRESSED;
7657       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
7658
7659       if (id == drawing_function)
7660         checked = TRUE;
7661     }
7662     else
7663     {
7664       if (id == GADGET_ID_WRAP_LEFT ||
7665           id == GADGET_ID_WRAP_RIGHT ||
7666           id == GADGET_ID_WRAP_UP ||
7667           id == GADGET_ID_WRAP_DOWN)
7668         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
7669       else
7670         event_mask = GD_EVENT_RELEASED;
7671     }
7672
7673     if (id == GADGET_ID_PROPERTIES ||
7674         id == GADGET_ID_PALETTE)
7675     {
7676       x += DX;
7677       y += DY;
7678     }
7679     else if (id == GADGET_ID_ELEMENT_LEFT ||
7680              id == GADGET_ID_ELEMENT_MIDDLE ||
7681              id == GADGET_ID_ELEMENT_RIGHT)
7682     {
7683       x += DX;
7684       y += DY;
7685
7686       int element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
7687                      id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
7688                      id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 : EL_EMPTY);
7689
7690       tile_size = BUTTON_TILE_SIZE(id == GADGET_ID_ELEMENT_LEFT ?
7691                                    editor.button.element_left.tile_size :
7692                                    id == GADGET_ID_ELEMENT_MIDDLE ?
7693                                    editor.button.element_middle.tile_size :
7694                                    id == GADGET_ID_ELEMENT_RIGHT ?
7695                                    editor.button.element_right.tile_size : 0);
7696
7697       // make sure that decoration does not overlap gadget border
7698       tile_size = MIN(tile_size, MIN(gd->width, gd->height));
7699
7700       getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x,&deco_y);
7701
7702       deco_xpos = (gd->width  - tile_size) / 2;
7703       deco_ypos = (gd->height - tile_size) / 2;
7704       deco_shift = 1;
7705       deco_masked = gd->draw_masked;
7706     }
7707     else
7708     {
7709       x += EX;
7710       y += EY;
7711     }
7712
7713     gi = CreateGadget(GDI_CUSTOM_ID, id,
7714                       GDI_CUSTOM_TYPE_ID, type_id,
7715                       GDI_IMAGE_ID, graphic,
7716                       GDI_INFO_TEXT, controlbutton_info[i].infotext,
7717                       GDI_X, x,
7718                       GDI_Y, y,
7719                       GDI_WIDTH, gd->width,
7720                       GDI_HEIGHT, gd->height,
7721                       GDI_TYPE, type,
7722                       GDI_STATE, GD_BUTTON_UNPRESSED,
7723                       GDI_RADIO_NR, radio_button_nr,
7724                       GDI_CHECKED, checked,
7725                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7726                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7727                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7728                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
7729                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
7730                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
7731                       GDI_DECORATION_SIZE, tile_size, tile_size,
7732                       GDI_DECORATION_SHIFTING, deco_shift, deco_shift,
7733                       GDI_DECORATION_MASKED, deco_masked,
7734                       GDI_EVENT_MASK, event_mask,
7735                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7736                       GDI_CALLBACK_ACTION, HandleControlButtons,
7737                       GDI_END);
7738
7739     if (gi == NULL)
7740       Fail("cannot create gadget");
7741
7742     level_editor_gadget[id] = gi;
7743   }
7744
7745   // these values are not constant, but can change at runtime
7746   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
7747   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
7748   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
7749   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
7750   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
7751   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
7752   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
7753   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
7754   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].x    = ED_SCROLL2_UP_XPOS;
7755   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].y    = ED_SCROLL2_UP_YPOS;
7756   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].x  = ED_SCROLL2_DOWN_XPOS;
7757   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].y  = ED_SCROLL2_DOWN_YPOS;
7758
7759   // create buttons for scrolling of drawing area and element list
7760   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
7761   {
7762     int id = scrollbutton_info[i].gadget_id;
7763     int type_id = scrollbutton_info[i].gadget_type_id;
7764     int graphic = scrollbutton_info[i].graphic;
7765     struct GraphicInfo *gd = &graphic_info[graphic];
7766     Bitmap *gd_bitmap = gd->bitmap;
7767     int gd_x1 = gd->src_x;
7768     int gd_y1 = gd->src_y;
7769     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7770     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7771     int width  = gd->width;
7772     int height = gd->height;
7773     int x = scrollbutton_pos[i].x;
7774     int y = scrollbutton_pos[i].y;
7775     unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
7776
7777     if (type_id != i)
7778       Fail("'scrollbutton_info' structure corrupted at index %d -- please fix", i);
7779
7780     if (id == GADGET_ID_SCROLL_LIST_UP ||
7781         id == GADGET_ID_SCROLL_LIST_DOWN)
7782     {
7783       x += PX;
7784       y += PY;
7785     }
7786     else
7787     {
7788       x += SX;
7789       y += SY;
7790     }
7791
7792     gi = CreateGadget(GDI_CUSTOM_ID, id,
7793                       GDI_CUSTOM_TYPE_ID, type_id,
7794                       GDI_IMAGE_ID, graphic,
7795                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
7796                       GDI_X, x,
7797                       GDI_Y, y,
7798                       GDI_WIDTH, width,
7799                       GDI_HEIGHT, height,
7800                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7801                       GDI_STATE, GD_BUTTON_UNPRESSED,
7802                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
7803                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
7804                       GDI_EVENT_MASK, event_mask,
7805                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7806                       GDI_CALLBACK_ACTION, HandleControlButtons,
7807                       GDI_END);
7808
7809     if (gi == NULL)
7810       Fail("cannot create gadget");
7811
7812     level_editor_gadget[id] = gi;
7813   }
7814
7815   // create buttons for element list
7816   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7817   {
7818     int type_id = i;
7819     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
7820     int graphic = IMG_EDITOR_PALETTE_BUTTON;
7821     struct GraphicInfo *gd = &graphic_info[graphic];
7822     Bitmap *gd_bitmap = gd->bitmap;
7823     Bitmap *deco_bitmap;
7824     int deco_x, deco_y, deco_xpos, deco_ypos;
7825     int gd_x1 = gd->src_x;
7826     int gd_y1 = gd->src_y;
7827     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7828     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7829     int xx = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
7830     int yy = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
7831     int x = PX + ED_ELEMENTLIST_XPOS + xx * gd->width;
7832     int y = PY + ED_ELEMENTLIST_YPOS + yy * gd->height;
7833     int element = editor_elements[i];
7834     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
7835     unsigned int event_mask = GD_EVENT_RELEASED;
7836
7837     getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
7838
7839     deco_xpos = (gd->width  - tile_size) / 2;
7840     deco_ypos = (gd->height - tile_size) / 2;
7841
7842     gi = CreateGadget(GDI_CUSTOM_ID, id,
7843                       GDI_CUSTOM_TYPE_ID, type_id,
7844                       GDI_IMAGE_ID, graphic,
7845                       GDI_INFO_TEXT, getElementInfoText(element),
7846                       GDI_X, x,
7847                       GDI_Y, y,
7848                       GDI_WIDTH, gd->width,
7849                       GDI_HEIGHT, gd->height,
7850                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7851                       GDI_STATE, GD_BUTTON_UNPRESSED,
7852                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
7853                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
7854                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
7855                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
7856                       GDI_DECORATION_SIZE, tile_size, tile_size,
7857                       GDI_DECORATION_SHIFTING, 1, 1,
7858                       GDI_EVENT_MASK, event_mask,
7859                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7860                       GDI_CALLBACK_ACTION, HandleControlButtons,
7861                       GDI_END);
7862
7863     if (gi == NULL)
7864       Fail("cannot create gadget");
7865
7866     level_editor_gadget[id] = gi;
7867   }
7868 }
7869
7870 static void CreateCounterButtons(void)
7871 {
7872   int max_infotext_len = getMaxInfoTextLength();
7873   int i;
7874
7875   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
7876   {
7877     int type_id = counterbutton_info[i].gadget_type_id;
7878     int x = SX + ED_SETTINGS_X(counterbutton_info[i].x); // down count button
7879     int y = SY + ED_SETTINGS_Y(counterbutton_info[i].y);
7880     int j;
7881
7882     if (type_id != i)
7883       Fail("'counterbutton_info' structure corrupted at index %d -- please fix", i);
7884
7885     // determine horizontal position to the right of specified gadget
7886     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
7887       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
7888            ED_GADGET_TEXT_DISTANCE);
7889
7890     // determine horizontal offset for leading text
7891     if (counterbutton_info[i].text_left != NULL)
7892       x += getTextWidthForGadget(counterbutton_info[i].text_left);
7893
7894     for (j = 0; j < 2; j++)
7895     {
7896       struct GadgetInfo *gi;
7897       int id = (j == 0 ?
7898                 counterbutton_info[i].gadget_id_down :
7899                 counterbutton_info[i].gadget_id_up);
7900       int graphic;
7901       struct GraphicInfo *gd;
7902       int gd_x1, gd_x2, gd_y1, gd_y2;
7903       unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
7904       char infotext[max_infotext_len + 1];
7905
7906       if (i == ED_COUNTER_ID_SELECT_LEVEL)
7907       {
7908         graphic = (j == 0 ?
7909                    IMG_GFX_EDITOR_BUTTON_PREV_LEVEL :
7910                    IMG_GFX_EDITOR_BUTTON_NEXT_LEVEL);
7911
7912         event_mask |= GD_EVENT_RELEASED;
7913
7914         if (j == 0)
7915         {
7916           x = DX + editor.button.prev_level.x;
7917           y = DY + editor.button.prev_level.y;
7918         }
7919         else
7920         {
7921           x = DX + editor.button.next_level.x;
7922           y = DY + editor.button.next_level.y;
7923         }
7924       }
7925       else
7926       {
7927         graphic = (j == 0 ?
7928                    IMG_EDITOR_COUNTER_DOWN :
7929                    IMG_EDITOR_COUNTER_UP);
7930       }
7931
7932       gd = &graphic_info[graphic];
7933
7934       gd_x1 = gd->src_x;
7935       gd_y1 = gd->src_y;
7936       gd_x2 = gd->src_x + gd->pressed_xoffset;
7937       gd_y2 = gd->src_y + gd->pressed_yoffset;
7938
7939       sprintf(infotext, "%s counter value by 1, 5 or 10",
7940               (j == 0 ? "Decrease" : "Increase"));
7941
7942       gi = CreateGadget(GDI_CUSTOM_ID, id,
7943                         GDI_CUSTOM_TYPE_ID, type_id,
7944                         GDI_IMAGE_ID, graphic,
7945                         GDI_INFO_TEXT, infotext,
7946                         GDI_X, x,
7947                         GDI_Y, y,
7948                         GDI_WIDTH, gd->width,
7949                         GDI_HEIGHT, gd->height,
7950                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7951                         GDI_STATE, GD_BUTTON_UNPRESSED,
7952                         GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7953                         GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7954                         GDI_EVENT_MASK, event_mask,
7955                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7956                         GDI_CALLBACK_ACTION, HandleCounterButtons,
7957                         GDI_END);
7958
7959       if (gi == NULL)
7960         Fail("cannot create gadget");
7961
7962       level_editor_gadget[id] = gi;
7963       right_gadget_border[id] =
7964         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
7965
7966       x += gi->width + ED_GADGET_SMALL_DISTANCE;        // text count button
7967
7968       if (j == 0)
7969       {
7970         int font_type = FONT_INPUT_1;
7971         int font_type_active = FONT_INPUT_1_ACTIVE;
7972
7973         id = counterbutton_info[i].gadget_id_text;
7974
7975         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
7976
7977         if (i == ED_COUNTER_ID_SELECT_LEVEL)
7978         {
7979           graphic = IMG_GFX_EDITOR_INPUT_LEVEL_NUMBER;
7980
7981           font_type = FONT_LEVEL_NUMBER;
7982           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
7983
7984           x = DX + editor.input.level_number.x;
7985           y = DY + editor.input.level_number.y;
7986         }
7987         else
7988         {
7989           graphic = IMG_EDITOR_COUNTER_INPUT;
7990         }
7991
7992         gd = &graphic_info[graphic];
7993
7994         gd_x1 = gd->src_x;
7995         gd_y1 = gd->src_y;
7996         gd_x2 = gd->src_x + gd->active_xoffset;
7997         gd_y2 = gd->src_y + gd->active_yoffset;
7998
7999         gi = CreateGadget(GDI_CUSTOM_ID, id,
8000                           GDI_CUSTOM_TYPE_ID, type_id,
8001                           GDI_IMAGE_ID, graphic,
8002                           GDI_INFO_TEXT, "Enter counter value",
8003                           GDI_X, x,
8004                           GDI_Y, y,
8005                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
8006                           GDI_NUMBER_VALUE, 0,
8007                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
8008                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
8009                           GDI_TEXT_SIZE, 3,     // minimal counter text size
8010                           GDI_TEXT_FONT, font_type,
8011                           GDI_TEXT_FONT_ACTIVE, font_type_active,
8012                           GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8013                           GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8014                           GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8015                           GDI_DESIGN_WIDTH, gd->width,
8016                           GDI_EVENT_MASK, event_mask,
8017                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8018                           GDI_CALLBACK_ACTION, HandleCounterButtons,
8019                           GDI_END);
8020
8021         if (gi == NULL)
8022           Fail("cannot create gadget");
8023
8024         level_editor_gadget[id] = gi;
8025         right_gadget_border[id] =
8026           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
8027
8028         x += gi->width + ED_GADGET_SMALL_DISTANCE;      // up count button
8029       }
8030     }
8031   }
8032 }
8033
8034 static void CreateDrawingAreas(void)
8035 {
8036   int i;
8037
8038   // these values are not constant, but can change at runtime
8039   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
8040   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
8041
8042   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
8043   {
8044     struct GadgetInfo *gi;
8045     int id = drawingarea_info[i].gadget_id;
8046     int type_id = drawingarea_info[i].gadget_type_id;
8047     int x = SX + ED_AREA_SETTINGS_X(drawingarea_info[i]);
8048     int y = SY + ED_AREA_SETTINGS_Y(drawingarea_info[i]);
8049     int area_xsize = drawingarea_info[i].area_xsize;
8050     int area_ysize = drawingarea_info[i].area_ysize;
8051     int item_size = (id == GADGET_ID_DRAWING_LEVEL ?
8052                      ed_tilesize : ED_DRAWINGAREA_TILE_SIZE);
8053     unsigned int event_mask =
8054       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
8055       GD_EVENT_OFF_BORDERS | GD_EVENT_PIXEL_PRECISE;
8056
8057     if (type_id != i)
8058       Fail("'drawingarea_info' structure corrupted at index %d -- please fix", i);
8059
8060     // determine horizontal position to the right of specified gadget
8061     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
8062       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
8063            ED_DRAWINGAREA_TEXT_DISTANCE);
8064
8065     // determine horizontal offset for leading text
8066     if (drawingarea_info[i].text_left != NULL)
8067       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
8068
8069     gi = CreateGadget(GDI_CUSTOM_ID, id,
8070                       GDI_CUSTOM_TYPE_ID, type_id,
8071                       GDI_X, x,
8072                       GDI_Y, y,
8073                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
8074                       GDI_AREA_SIZE, area_xsize, area_ysize,
8075                       GDI_ITEM_SIZE, item_size, item_size,
8076                       GDI_EVENT_MASK, event_mask,
8077                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
8078                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
8079                       GDI_END);
8080
8081     if (gi == NULL)
8082       Fail("cannot create gadget");
8083
8084     level_editor_gadget[id] = gi;
8085     right_gadget_border[id] =
8086       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
8087   }
8088 }
8089
8090 static void CreateTextInputGadgets(void)
8091 {
8092   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
8093   int max_infotext_len = getMaxInfoTextLength();
8094   int i;
8095
8096   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
8097   {
8098     int gd_x1 = gd->src_x;
8099     int gd_y1 = gd->src_y;
8100     int gd_x2 = gd->src_x + gd->active_xoffset;
8101     int gd_y2 = gd->src_y + gd->active_yoffset;
8102     struct GadgetInfo *gi;
8103     unsigned int event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
8104     char infotext[MAX_OUTPUT_LINESIZE + 1];
8105     int id = textinput_info[i].gadget_id;
8106     int type_id = textinput_info[i].gadget_type_id;
8107     int x, y;
8108
8109     if (type_id != i)
8110       Fail("'textinput_info' structure corrupted at index %d -- please fix", i);
8111
8112     if (i == ED_TEXTINPUT_ID_ELEMENT_NAME)
8113     {
8114       int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
8115       int border_size = gd->border_size;
8116       int font_nr = FONT_INPUT_1;
8117       int font_height = getFontHeight(font_nr);
8118       int xoffset = element_border + TILEX + element_border + 3 * border_size;
8119       int yoffset = element_border + (TILEY - font_height) / 2;
8120
8121       x = (editor.settings.element_name.x != -1 ?
8122            editor.settings.element_name.x :
8123            editor.settings.element_graphic.x + xoffset) - border_size;
8124       y = (editor.settings.element_name.y != -1 ?
8125            editor.settings.element_name.y :
8126            editor.settings.element_graphic.y + yoffset) - border_size;
8127     }
8128     else
8129     {
8130       x = ED_SETTINGS_X(textinput_info[i].x);
8131       y = ED_SETTINGS_Y(textinput_info[i].y);
8132     }
8133
8134     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
8135     infotext[max_infotext_len] = '\0';
8136
8137     gi = CreateGadget(GDI_CUSTOM_ID, id,
8138                       GDI_CUSTOM_TYPE_ID, type_id,
8139                       GDI_INFO_TEXT, infotext,
8140                       GDI_X, SX + x,
8141                       GDI_Y, SY + y,
8142                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
8143                       GDI_TEXT_VALUE, textinput_info[i].value,
8144                       GDI_TEXT_SIZE, textinput_info[i].size,
8145                       GDI_TEXT_FONT, FONT_INPUT_1,
8146                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
8147                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8148                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8149                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8150                       GDI_DESIGN_WIDTH, gd->width,
8151                       GDI_EVENT_MASK, event_mask,
8152                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8153                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
8154                       GDI_END);
8155
8156     if (gi == NULL)
8157       Fail("cannot create gadget");
8158
8159     level_editor_gadget[id] = gi;
8160   }
8161 }
8162
8163 static void CreateTextAreaGadgets(void)
8164 {
8165   int max_infotext_len = getMaxInfoTextLength();
8166   int i;
8167
8168   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
8169   {
8170     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXTAREA];
8171     int gd_x1 = gd->src_x;
8172     int gd_y1 = gd->src_y;
8173     int gd_x2 = gd->src_x + gd->active_xoffset;
8174     int gd_y2 = gd->src_y + gd->active_yoffset;
8175     struct GadgetInfo *gi;
8176     unsigned int event_mask = GD_EVENT_TEXT_LEAVING;
8177     char infotext[MAX_OUTPUT_LINESIZE + 1];
8178     int id = textarea_info[i].gadget_id;
8179     int type_id = textarea_info[i].gadget_type_id;
8180     int area_xsize = textarea_info[i].xsize;
8181     int area_ysize = textarea_info[i].ysize;
8182
8183     if (type_id != i)
8184       Fail("'textarea_info' structure corrupted at index %d -- please fix", i);
8185
8186     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
8187     infotext[max_infotext_len] = '\0';
8188
8189     gi = CreateGadget(GDI_CUSTOM_ID, id,
8190                       GDI_CUSTOM_TYPE_ID, type_id,
8191                       GDI_INFO_TEXT, infotext,
8192                       GDI_X, SX + ED_SETTINGS_X(textarea_info[i].x),
8193                       GDI_Y, SY + ED_SETTINGS_Y(textarea_info[i].y),
8194                       GDI_TYPE, GD_TYPE_TEXT_AREA,
8195                       GDI_AREA_SIZE, area_xsize, area_ysize,
8196                       GDI_TEXT_FONT, FONT_INPUT_1,
8197                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
8198                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8199                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8200                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8201                       GDI_DESIGN_WIDTH, gd->width,
8202                       GDI_EVENT_MASK, event_mask,
8203                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8204                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
8205                       GDI_END);
8206
8207     if (gi == NULL)
8208       Fail("cannot create gadget");
8209
8210     level_editor_gadget[id] = gi;
8211   }
8212 }
8213
8214 static void CreateSelectboxGadgets(void)
8215 {
8216   int max_infotext_len = getMaxInfoTextLength();
8217
8218   int i, j;
8219
8220   for (i = 0; i < ED_NUM_SELECTBOX; i++)
8221   {
8222     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_SELECTBOX_INPUT];
8223     struct GraphicInfo *gd2 = &graphic_info[IMG_EDITOR_SELECTBOX_BUTTON];
8224     int gd_x1 = gd->src_x;
8225     int gd_y1 = gd->src_y;
8226     int gd_x2 = gd->src_x + gd->active_xoffset;
8227     int gd_y2 = gd->src_y + gd->active_yoffset;
8228     int selectbox_button_xsize = gd2->width;
8229     struct GadgetInfo *gi;
8230     char infotext[MAX_OUTPUT_LINESIZE + 1];
8231     int id = selectbox_info[i].gadget_id;
8232     int type_id = selectbox_info[i].gadget_type_id;
8233     int x = SX + ED_SETTINGS_X(selectbox_info[i].x);
8234     int y = SY + ED_SETTINGS_Y(selectbox_info[i].y);
8235     unsigned int event_mask =
8236       GD_EVENT_RELEASED | GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
8237
8238     if (type_id != i)
8239       Fail("'selectbox_info' structure corrupted at index %d -- please fix", i);
8240
8241     if (selectbox_info[i].size == -1)   // dynamically determine size
8242     {
8243       // (we cannot use -1 for uninitialized values if we directly compare
8244       // with results from strlen(), because the '<' and '>' operation will
8245       // implicitely cast -1 to an unsigned integer value!)
8246       selectbox_info[i].size = 0;
8247
8248       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
8249         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
8250           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
8251
8252       selectbox_info[i].size++;         // add one character empty space
8253     }
8254
8255     // determine horizontal position to the right of specified gadget
8256     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
8257       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
8258            ED_GADGET_TEXT_DISTANCE);
8259
8260     // determine horizontal offset for leading text
8261     if (selectbox_info[i].text_left != NULL)
8262       x += getTextWidthForGadget(selectbox_info[i].text_left);
8263
8264     sprintf(infotext, "%s", selectbox_info[i].infotext);
8265     infotext[max_infotext_len] = '\0';
8266
8267     gi = CreateGadget(GDI_CUSTOM_ID, id,
8268                       GDI_CUSTOM_TYPE_ID, type_id,
8269                       GDI_INFO_TEXT, infotext,
8270                       GDI_X, x,
8271                       GDI_Y, y,
8272                       GDI_TYPE, GD_TYPE_SELECTBOX,
8273                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
8274                       GDI_SELECTBOX_CHAR_UNSELECTABLE, '[',
8275                       GDI_TEXT_SIZE, selectbox_info[i].size,
8276                       GDI_TEXT_FONT, FONT_INPUT_1,
8277                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
8278                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
8279                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8280                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8281                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8282                       GDI_BORDER_SIZE_SELECTBUTTON, selectbox_button_xsize,
8283                       GDI_DESIGN_WIDTH, gd->width,
8284                       GDI_EVENT_MASK, event_mask,
8285                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8286                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
8287                       GDI_END);
8288
8289     if (gi == NULL)
8290       Fail("cannot create gadget");
8291
8292     level_editor_gadget[id] = gi;
8293     right_gadget_border[id] =
8294       getRightGadgetBorder(gi, selectbox_info[i].text_right);
8295   }
8296 }
8297
8298 static void CreateTextbuttonGadgets(void)
8299 {
8300   int max_infotext_len = getMaxInfoTextLength();
8301   int i;
8302
8303   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
8304   {
8305     int id = textbutton_info[i].gadget_id;
8306     int type_id = textbutton_info[i].gadget_type_id;
8307     int is_tab_button =
8308       ((id >= GADGET_ID_LEVELCONFIG_LEVEL && id <= GADGET_ID_LEVELCONFIG_ENGINE) ||
8309        (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE));
8310     int graphic =
8311       (is_tab_button ? IMG_EDITOR_TABBUTTON : IMG_EDITOR_TEXTBUTTON);
8312     int gadget_distance =
8313       (is_tab_button ? ED_GADGET_SMALL_DISTANCE : ED_GADGET_TEXT_DISTANCE);
8314     struct GraphicInfo *gd = &graphic_info[graphic];
8315     int gd_x1 = gd->src_x;
8316     int gd_y1 = gd->src_y;
8317     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8318     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8319     int gd_x1a = gd->src_x + gd->active_xoffset;
8320     int gd_y1a = gd->src_y + gd->active_yoffset;
8321     int border_xsize = gd->border_size + gd->draw_xoffset;
8322     int border_ysize = gd->border_size;
8323     struct GadgetInfo *gi;
8324     unsigned int event_mask = GD_EVENT_RELEASED;
8325     char infotext[MAX_OUTPUT_LINESIZE + 1];
8326     int x = SX + ED_SETTINGS_X(textbutton_info[i].x);
8327     int y = SY + ED_SETTINGS_Y(textbutton_info[i].y);
8328
8329     if (type_id != i)
8330       Fail("'textbutton_info' structure corrupted at index %d -- please fix", i);
8331
8332     if (textbutton_info[i].size == -1)  // dynamically determine size
8333       textbutton_info[i].size = strlen(textbutton_info[i].text);
8334
8335     sprintf(infotext, "%s", textbutton_info[i].infotext);
8336     infotext[max_infotext_len] = '\0';
8337
8338     // determine horizontal position to the right of specified gadget
8339     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
8340     {
8341       int gadget_id_align = textbutton_info[i].gadget_id_align;
8342
8343       x = right_gadget_border[gadget_id_align] + gadget_distance;
8344
8345       if (textbutton_info[i].y == -1)
8346         y = level_editor_gadget[gadget_id_align]->y;
8347     }
8348
8349     // determine horizontal offset for leading text
8350     if (textbutton_info[i].text_left != NULL)
8351       x += getTextWidthForGadget(textbutton_info[i].text_left);
8352
8353     gi = CreateGadget(GDI_CUSTOM_ID, id,
8354                       GDI_CUSTOM_TYPE_ID, type_id,
8355                       GDI_IMAGE_ID, graphic,
8356                       GDI_INFO_TEXT, infotext,
8357                       GDI_X, x,
8358                       GDI_Y, y,
8359                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
8360                       GDI_TEXT_VALUE, textbutton_info[i].text,
8361                       GDI_TEXT_SIZE, textbutton_info[i].size,
8362                       GDI_TEXT_FONT, FONT_INPUT_2,
8363                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2_ACTIVE,
8364                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8365                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8366                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
8367                       GDI_BORDER_SIZE, border_xsize, border_ysize,
8368                       GDI_DESIGN_WIDTH, gd->width,
8369                       GDI_DECORATION_SHIFTING, 1, 1,
8370                       GDI_EVENT_MASK, event_mask,
8371                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8372                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
8373                       GDI_END);
8374
8375     if (gi == NULL)
8376       Fail("cannot create gadget");
8377
8378     level_editor_gadget[id] = gi;
8379     right_gadget_border[id] =
8380       getRightGadgetBorder(gi, textbutton_info[i].text_right);
8381   }
8382 }
8383
8384 static void CreateGraphicbuttonGadgets(void)
8385 {
8386   struct GadgetInfo *gi;
8387   int i;
8388
8389   // create buttons for scrolling of drawing area and element list
8390   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
8391   {
8392     int id = graphicbutton_info[i].gadget_id;
8393     int type_id = graphicbutton_info[i].gadget_type_id;
8394     int x = SX + ED_SETTINGS_X(graphicbutton_info[i].x);
8395     int y = SY + ED_SETTINGS_Y(graphicbutton_info[i].y);
8396     int graphic = graphicbutton_info[i].graphic;
8397     struct GraphicInfo *gd = &graphic_info[graphic];
8398     int gd_x1 = gd->src_x;
8399     int gd_y1 = gd->src_y;
8400     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8401     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8402     unsigned int event_mask = GD_EVENT_RELEASED;
8403
8404     if (type_id != i)
8405       Fail("'graphicbutton_info' structure corrupted at index %d -- please fix", i);
8406
8407     // determine horizontal position to the right of specified gadget
8408     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
8409       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
8410            ED_GADGET_TEXT_DISTANCE);
8411
8412     // determine horizontal offset for leading text
8413     if (graphicbutton_info[i].text_left != NULL)
8414       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
8415
8416     gi = CreateGadget(GDI_CUSTOM_ID, id,
8417                       GDI_CUSTOM_TYPE_ID, type_id,
8418                       GDI_IMAGE_ID, graphic,
8419                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
8420                       GDI_X, x,
8421                       GDI_Y, y,
8422                       GDI_WIDTH, gd->width,
8423                       GDI_HEIGHT, gd->height,
8424                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
8425                       GDI_STATE, GD_BUTTON_UNPRESSED,
8426                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8427                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8428                       GDI_EVENT_MASK, event_mask,
8429                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8430                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
8431                       GDI_END);
8432
8433     if (gi == NULL)
8434       Fail("cannot create gadget");
8435
8436     level_editor_gadget[id] = gi;
8437     right_gadget_border[id] =
8438       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
8439   }
8440 }
8441
8442 static void CreateScrollbarGadgets(void)
8443 {
8444   int i;
8445
8446   // these values are not constant, but can change at runtime
8447   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
8448     SX + ED_SCROLL_HORIZONTAL_XPOS;
8449   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
8450     SY + ED_SCROLL_HORIZONTAL_YPOS;
8451   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
8452     ED_SCROLL_HORIZONTAL_XSIZE;
8453   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
8454     ED_SCROLL_HORIZONTAL_YSIZE;
8455   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
8456   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
8457   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
8458   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
8459
8460   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
8461     SX + ED_SCROLL_VERTICAL_XPOS;
8462   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
8463     SY + ED_SCROLL_VERTICAL_YPOS;
8464   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
8465     ED_SCROLL_VERTICAL_XSIZE;
8466   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
8467     ED_SCROLL_VERTICAL_YSIZE;
8468   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
8469   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
8470   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
8471   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
8472
8473   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
8474     PX + ED_SCROLL2_VERTICAL_XPOS;
8475   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
8476     PY + ED_SCROLL2_VERTICAL_YPOS;
8477   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
8478     ED_SCROLL2_VERTICAL_XSIZE;
8479   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
8480     ED_SCROLL2_VERTICAL_YSIZE;
8481   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = PX;
8482   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = PY;
8483   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = PXSIZE;
8484   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = PYSIZE;
8485
8486   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
8487   {
8488     int id = scrollbar_info[i].gadget_id;
8489     int type_id = scrollbar_info[i].gadget_type_id;
8490     int graphic = scrollbar_info[i].graphic;
8491     struct GraphicInfo *gd = &graphic_info[graphic];
8492     int gd_x1 = gd->src_x;
8493     int gd_y1 = gd->src_y;
8494     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8495     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8496     struct GadgetInfo *gi;
8497     int items_max, items_visible, item_position;
8498     unsigned int event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
8499
8500     if (type_id != i)
8501       Fail("'scrollbar_info' structure corrupted at index %d -- please fix", i);
8502
8503     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
8504     {
8505       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
8506       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
8507       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
8508     }
8509     else        // drawing area scrollbars
8510     {
8511       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
8512       {
8513         items_max = MAX(lev_fieldx + 2, ed_fieldx);
8514         items_visible = ed_fieldx;
8515         item_position = 0;
8516       }
8517       else
8518       {
8519         items_max = MAX(lev_fieldy + 2, ed_fieldy);
8520         items_visible = ed_fieldy;
8521         item_position = 0;
8522       }
8523     }
8524
8525     gi = CreateGadget(GDI_CUSTOM_ID, id,
8526                       GDI_CUSTOM_TYPE_ID, type_id,
8527                       GDI_IMAGE_ID, graphic,
8528                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
8529                       GDI_X, scrollbar_pos[i].x,
8530                       GDI_Y, scrollbar_pos[i].y,
8531                       GDI_WIDTH, scrollbar_pos[i].width,
8532                       GDI_HEIGHT, scrollbar_pos[i].height,
8533                       GDI_TYPE, scrollbar_info[i].type,
8534                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
8535                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
8536                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
8537                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
8538                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
8539                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
8540                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
8541                       GDI_STATE, GD_BUTTON_UNPRESSED,
8542                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8543                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8544                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8545                       GDI_EVENT_MASK, event_mask,
8546                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8547                       GDI_CALLBACK_ACTION, HandleControlButtons,
8548                       GDI_END);
8549
8550     if (gi == NULL)
8551       Fail("cannot create gadget");
8552
8553     level_editor_gadget[id] = gi;
8554   }
8555 }
8556
8557 static void CreateCheckbuttonGadgets(void)
8558 {
8559   struct GadgetInfo *gi;
8560   int i;
8561
8562   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
8563   {
8564     int id = checkbutton_info[i].gadget_id;
8565     int type_id = checkbutton_info[i].gadget_type_id;
8566     int graphic = (id == GADGET_ID_STICK_ELEMENT ? IMG_EDITOR_STICKYBUTTON :
8567                    IMG_EDITOR_CHECKBOX);
8568     struct GraphicInfo *gd = &graphic_info[graphic];
8569     int gd_x1 = gd->src_x;
8570     int gd_y1 = gd->src_y;
8571     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8572     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8573     int gd_x1a = gd->src_x + gd->active_xoffset;
8574     int gd_y1a = gd->src_y + gd->active_yoffset;
8575     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
8576     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
8577     int x = SX + ED_SETTINGS_X(checkbutton_info[i].x);
8578     int y = SY + ED_SETTINGS_Y(checkbutton_info[i].y);
8579     unsigned int event_mask = GD_EVENT_PRESSED;
8580
8581     if (type_id != i)
8582       Fail("'checkbutton_info' structure corrupted at index %d -- please fix", i);
8583
8584     // determine horizontal position to the right of specified gadget
8585     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
8586       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
8587            ED_GADGET_TEXT_DISTANCE);
8588
8589     // determine horizontal offset for leading text
8590     if (checkbutton_info[i].text_left != NULL)
8591       x += getTextWidthForGadget(checkbutton_info[i].text_left);
8592
8593     gi = CreateGadget(GDI_CUSTOM_ID, id,
8594                       GDI_CUSTOM_TYPE_ID, type_id,
8595                       GDI_IMAGE_ID, graphic,
8596                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
8597                       GDI_X, x,
8598                       GDI_Y, y,
8599                       GDI_WIDTH, gd->width,
8600                       GDI_HEIGHT, gd->height,
8601                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
8602                       GDI_CHECKED, *checkbutton_info[i].value,
8603                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8604                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8605                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
8606                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
8607                       GDI_EVENT_MASK, event_mask,
8608                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8609                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
8610                       GDI_END);
8611
8612     if (gi == NULL)
8613       Fail("cannot create gadget");
8614
8615     level_editor_gadget[id] = gi;
8616     right_gadget_border[id] =
8617       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
8618   }
8619 }
8620
8621 static void CreateRadiobuttonGadgets(void)
8622 {
8623   int graphic = IMG_EDITOR_RADIOBUTTON;
8624   struct GraphicInfo *gd = &graphic_info[graphic];
8625   int gd_x1 = gd->src_x;
8626   int gd_y1 = gd->src_y;
8627   int gd_x2 = gd->src_x + gd->pressed_xoffset;
8628   int gd_y2 = gd->src_y + gd->pressed_yoffset;
8629   int gd_x1a = gd->src_x + gd->active_xoffset;
8630   int gd_y1a = gd->src_y + gd->active_yoffset;
8631   int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
8632   int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
8633   struct GadgetInfo *gi;
8634   int i;
8635
8636   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
8637   {
8638     int id = radiobutton_info[i].gadget_id;
8639     int type_id = radiobutton_info[i].gadget_type_id;
8640     int x = SX + ED_SETTINGS_X(radiobutton_info[i].x);
8641     int y = SY + ED_SETTINGS_Y(radiobutton_info[i].y);
8642     unsigned int event_mask = GD_EVENT_PRESSED;
8643
8644     if (type_id != i)
8645       Fail("'radiobutton_info' structure corrupted at index %d -- please fix", i);
8646
8647     int checked =
8648       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
8649
8650     // determine horizontal position to the right of specified gadget
8651     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
8652       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
8653            ED_GADGET_TEXT_DISTANCE);
8654
8655     // determine horizontal offset for leading text
8656     if (radiobutton_info[i].text_left != NULL)
8657       x += getTextWidthForGadget(radiobutton_info[i].text_left);
8658
8659     gi = CreateGadget(GDI_CUSTOM_ID, id,
8660                       GDI_CUSTOM_TYPE_ID, type_id,
8661                       GDI_IMAGE_ID, graphic,
8662                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
8663                       GDI_X, x,
8664                       GDI_Y, y,
8665                       GDI_WIDTH, gd->width,
8666                       GDI_HEIGHT, gd->height,
8667                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
8668                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
8669                       GDI_CHECKED, checked,
8670                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8671                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8672                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
8673                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
8674                       GDI_EVENT_MASK, event_mask,
8675                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8676                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
8677                       GDI_END);
8678
8679     if (gi == NULL)
8680       Fail("cannot create gadget");
8681
8682     level_editor_gadget[id] = gi;
8683     right_gadget_border[id] =
8684       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
8685   }
8686 }
8687
8688 void CreateLevelEditorGadgets(void)
8689 {
8690   // force EDITOR font inside level editor
8691   SetFontStatus(GAME_MODE_EDITOR);
8692
8693   // these values are not constant, but can change at runtime
8694   ed_fieldx = MAX_ED_FIELDX - 1;
8695   ed_fieldy = MAX_ED_FIELDY - 1;
8696
8697   num_editor_gadgets = NUM_EDITOR_GADGETS;
8698
8699   // Debug("editor", "allocating %d gadgets ...\n", num_editor_gadgets);
8700
8701   level_editor_gadget =
8702     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
8703   right_gadget_border =
8704     checked_calloc(num_editor_gadgets * sizeof(int));
8705
8706   // set number of empty (padding) element buttons to maximum number of buttons
8707   num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS;
8708
8709   editor_el_empty = checked_calloc(num_editor_el_empty * sizeof(int));
8710   editor_el_empty_ptr = editor_el_empty;
8711
8712   use_permanent_palette = !editor.palette.show_as_separate_screen;
8713
8714   InitGadgetScreenBorders(-1, INFOTEXT_YPOS);
8715
8716   ReinitializeElementList();
8717
8718   CreateControlButtons();
8719   CreateScrollbarGadgets();
8720
8721   // order of function calls is important because of cross-references
8722   CreateCheckbuttonGadgets();
8723   CreateCounterButtons();
8724   CreateRadiobuttonGadgets();
8725   CreateTextInputGadgets();
8726   CreateTextAreaGadgets();
8727   CreateSelectboxGadgets();
8728   CreateGraphicbuttonGadgets();
8729   CreateTextbuttonGadgets();
8730   CreateDrawingAreas();
8731
8732   ResetFontStatus();
8733 }
8734
8735 void FreeLevelEditorGadgets(void)
8736 {
8737   int i;
8738
8739   // Debug("editor", "freeing %d gadgets ...\n", num_editor_gadgets);
8740
8741   for (i = 0; i < num_editor_gadgets; i++)
8742   {
8743     FreeGadget(level_editor_gadget[i]);
8744
8745     level_editor_gadget[i] = NULL;
8746   }
8747
8748   checked_free(level_editor_gadget);
8749   checked_free(right_gadget_border);
8750
8751   checked_free(editor_el_empty);
8752 }
8753
8754 static void MapCounterButtons(int id)
8755 {
8756   int font_nr = FONT_TEXT_1;
8757   int font_height = getFontHeight(font_nr);
8758   int gadget_id_down = counterbutton_info[id].gadget_id_down;
8759   int gadget_id_text = counterbutton_info[id].gadget_id_text;
8760   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
8761   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
8762   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
8763   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
8764   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
8765   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8766   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8767   int yoffset = (gi_down->height - font_height) / 2;
8768   int x_left = gi_down->x - xoffset_left;
8769   int x_right;  // set after gadget position was modified
8770   int y_above = gi_down->y - yoffset_above;
8771   int x = gi_down->x;
8772   int y;        // set after gadget position was modified
8773
8774   // counter limits must be changed first to prevent value truncation
8775   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
8776                             counterbutton_info[id].max_value);
8777
8778   // right text position might have changed after setting position above
8779   x_right = gi_up->x + gi_up->width + xoffset_right;
8780
8781   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
8782
8783   // set position for counter gadgets with dynamically determined position
8784   if (id != ED_COUNTER_ID_SELECT_LEVEL)
8785   {
8786     ModifyGadget(gi_down, GDI_Y, SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
8787     ModifyGadget(gi_text, GDI_Y, SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
8788     ModifyGadget(gi_up,   GDI_Y, SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
8789   }
8790
8791   // vertical position might have changed after setting position above
8792   y = gi_up->y + yoffset;
8793
8794   if (counterbutton_info[id].text_above)
8795     DrawText(x, y_above, counterbutton_info[id].text_above, font_nr);
8796
8797   if (counterbutton_info[id].text_left)
8798     DrawText(x_left, y, counterbutton_info[id].text_left, font_nr);
8799
8800   if (counterbutton_info[id].text_right)
8801     DrawText(x_right, y, counterbutton_info[id].text_right, font_nr);
8802
8803   MapGadget(gi_down);
8804   MapGadget(gi_text);
8805   MapGadget(gi_up);
8806 }
8807
8808 static void MapControlButtons(void)
8809 {
8810   int counter_id;
8811   int i;
8812
8813   // map toolbox buttons (excluding special CE toolbox buttons)
8814   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
8815     MapGadget(level_editor_gadget[i]);
8816
8817   // map toolbox buttons (element properties buttons)
8818   for (i = ED_NUM_CTRL1_4_BUTTONS; i < ED_NUM_CTRL1_7_BUTTONS; i++)
8819     MapGadget(level_editor_gadget[i]);
8820
8821   if (use_permanent_palette)
8822   {
8823     // map buttons to select elements
8824     for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
8825       MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
8826     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
8827     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
8828     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
8829   }
8830
8831   // map buttons to select level
8832   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
8833   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
8834   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
8835   MapCounterButtons(counter_id);
8836 }
8837
8838 static void MapDrawingArea(int id)
8839 {
8840   int font_nr = FONT_TEXT_1;
8841   int font_height = getFontHeight(font_nr);
8842   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
8843   int area_xsize = gi->drawing.area_xsize;
8844   int area_ysize = gi->drawing.area_ysize;
8845   int xoffset_left = getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8846   int xoffset_below = getTextWidth(drawingarea_info[id].text_below, font_nr);
8847   int x_left  = gi->x - xoffset_left - ED_DRAWINGAREA_BORDER_SIZE;
8848   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
8849   int x_above = gi->x - ED_DRAWINGAREA_BORDER_SIZE;
8850   int x_below = gi->x + (gi->width - xoffset_below) / 2;
8851   int y_side  = gi->y + (gi->height - font_height) / 2;
8852   int y_above = gi->y - font_height - ED_DRAWINGAREA_TEXT_DISTANCE;
8853   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
8854
8855   if (drawingarea_info[id].text_left)
8856     DrawText(x_left, y_side, drawingarea_info[id].text_left, font_nr);
8857
8858   if (drawingarea_info[id].text_right)
8859     DrawText(x_right, y_side, drawingarea_info[id].text_right, font_nr);
8860
8861   if (drawingarea_info[id].text_above)
8862     DrawText(x_above, y_above, drawingarea_info[id].text_above, font_nr);
8863
8864   if (drawingarea_info[id].text_below)
8865     DrawText(x_below, y_below, drawingarea_info[id].text_below, font_nr);
8866
8867   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
8868   {
8869     DrawElementBorder(gi->x, gi->y,
8870                       area_xsize * ED_DRAWINGAREA_TILE_SIZE,
8871                       area_ysize * ED_DRAWINGAREA_TILE_SIZE, TRUE);
8872
8873     DrawDrawingArea(id);
8874   }
8875
8876   MapGadget(gi);
8877 }
8878
8879 static void MapTextInputGadget(int id)
8880 {
8881   int font_nr = FONT_TEXT_1;
8882   int font_height = getFontHeight(font_nr);
8883   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
8884   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8885   int x_above = ED_SETTINGS_X(textinput_info[id].x);
8886   int y_above = ED_SETTINGS_Y(textinput_info[id].y) - yoffset_above;
8887
8888   if (textinput_info[id].text_above)
8889     DrawTextS(x_above, y_above, font_nr, textinput_info[id].text_above);
8890
8891   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
8892
8893   MapGadget(gi);
8894 }
8895
8896 static void MapTextAreaGadget(int id)
8897 {
8898   int font_nr = FONT_TEXT_1;
8899   int font_height = getFontHeight(font_nr);
8900   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
8901   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8902   int x_above = ED_SETTINGS_X(textarea_info[id].x);
8903   int y_above = ED_SETTINGS_Y(textarea_info[id].y) - yoffset_above;
8904   char *text_above = textarea_info[id].text_above;
8905
8906   if (gi->textarea.cropped && textarea_info[id].text_above_cropped)
8907     text_above = textarea_info[id].text_above_cropped;
8908
8909   if (text_above)
8910     DrawTextS(x_above, y_above, font_nr, text_above);
8911
8912   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
8913
8914   MapGadget(gi);
8915 }
8916
8917 static void MapSelectboxGadget(int id)
8918 {
8919   int font_nr = FONT_TEXT_1;
8920   int font_height = getFontHeight(font_nr);
8921   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
8922   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
8923   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8924   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8925   int yoffset = (gi->height - font_height) / 2;
8926   int x_left = gi->x - xoffset_left;
8927   int x_right = gi->x + gi->width + xoffset_right;
8928   int y_above = gi->y - yoffset_above;
8929   int x = gi->x;
8930   int y = gi->y + yoffset;
8931
8932   if (selectbox_info[id].text_above)
8933     DrawText(x, y_above, selectbox_info[id].text_above, font_nr);
8934
8935   if (selectbox_info[id].text_left)
8936     DrawText(x_left, y, selectbox_info[id].text_left, font_nr);
8937
8938   if (selectbox_info[id].text_right)
8939     DrawText(x_right, y, selectbox_info[id].text_right, font_nr);
8940
8941   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
8942
8943   MapGadget(gi);
8944 }
8945
8946 static void MapTextbuttonGadget(int id)
8947 {
8948   int font_nr = FONT_TEXT_1;
8949   int font_height = getFontHeight(font_nr);
8950   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
8951   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
8952   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8953   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8954   int yoffset = (gi->height - font_height) / 2;
8955   int x_left = gi->x - xoffset_left;
8956   int x_right = gi->x + gi->width + xoffset_right;
8957   int y_above = gi->y - yoffset_above;
8958   int x = gi->x;
8959   int y = gi->y + yoffset;
8960
8961   // only show button to delete change pages when more than minimum pages
8962   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
8963       custom_element.num_change_pages == MIN_CHANGE_PAGES)
8964     return;
8965
8966   if (textbutton_info[id].text_above)
8967     DrawText(x, y_above, textbutton_info[id].text_above, font_nr);
8968
8969   if (textbutton_info[id].text_left)
8970     DrawText(x_left, y, textbutton_info[id].text_left, font_nr);
8971
8972   if (textbutton_info[id].text_right)
8973     DrawText(x_right, y, textbutton_info[id].text_right, font_nr);
8974
8975   MapGadget(gi);
8976 }
8977
8978 static void MapGraphicbuttonGadget(int id)
8979 {
8980   int font_nr = FONT_TEXT_1;
8981   int font_height = getFontHeight(font_nr);
8982   struct GadgetInfo *gi = level_editor_gadget[graphicbutton_info[id].gadget_id];
8983   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
8984   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8985   int yoffset = (gi->height - font_height) / 2;
8986   int x_left = gi->x - xoffset_left;
8987   int x_right = gi->x + gi->width + xoffset_right;
8988   int y = gi->y + yoffset;
8989
8990   if (graphicbutton_info[id].text_left)
8991     DrawText(x_left, y, graphicbutton_info[id].text_left, font_nr);
8992
8993   if (graphicbutton_info[id].text_right)
8994     DrawText(x_right, y, graphicbutton_info[id].text_right, font_nr);
8995
8996   MapGadget(gi);
8997 }
8998
8999 static void MapRadiobuttonGadget(int id)
9000 {
9001   int font_nr = FONT_TEXT_1;
9002   int font_height = getFontHeight(font_nr);
9003   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
9004   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
9005   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
9006   int yoffset = (gi->height - font_height) / 2;
9007   int x_left = gi->x - xoffset_left;
9008   int x_right = gi->x + gi->width + xoffset_right;
9009   int y = gi->y + yoffset;
9010   boolean checked =
9011     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
9012
9013   if (radiobutton_info[id].text_left)
9014     DrawText(x_left, y, radiobutton_info[id].text_left, font_nr);
9015
9016   if (radiobutton_info[id].text_right)
9017     DrawText(x_right, y, radiobutton_info[id].text_right, font_nr);
9018
9019   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
9020
9021   MapGadget(gi);
9022 }
9023
9024 static void MapCheckbuttonGadget(int id)
9025 {
9026   int font_nr = FONT_TEXT_1;
9027   int font_height = getFontHeight(font_nr);
9028   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
9029   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
9030   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
9031   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
9032   int yoffset = (gi->height - font_height) / 2;
9033   int y_above = gi->y - yoffset_above;
9034   int x = gi->x;
9035   int x_left, x_right, y;       // set after gadget position was modified
9036
9037   // set position for gadgets with dynamically determined position
9038   if (checkbutton_info[id].x != -1)     // do not change dynamic positions
9039     ModifyGadget(gi, GDI_X, SX + ED_SETTINGS_X(checkbutton_info[id].x), GDI_END);
9040   ModifyGadget(gi, GDI_Y, SY + ED_SETTINGS_Y(checkbutton_info[id].y), GDI_END);
9041
9042   x_left = gi->x - xoffset_left;
9043   x_right = gi->x + gi->width + xoffset_right;
9044   y = gi->y + yoffset;
9045
9046   if (checkbutton_info[id].text_above)
9047     DrawText(x, y_above, checkbutton_info[id].text_above, font_nr);
9048
9049   if (checkbutton_info[id].text_left)
9050     DrawText(x_left, y, checkbutton_info[id].text_left, font_nr);
9051
9052   if (checkbutton_info[id].text_right)
9053     DrawText(x_right, y, checkbutton_info[id].text_right, font_nr);
9054
9055   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
9056
9057   MapGadget(gi);
9058 }
9059
9060 static void MapMainDrawingArea(void)
9061 {
9062   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
9063   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
9064   int i;
9065
9066   if (suppressBorderElement())
9067   {
9068     no_horizontal_scrollbar = (lev_fieldx <= ed_fieldx);
9069     no_vertical_scrollbar   = (lev_fieldy <= ed_fieldy);
9070   }
9071
9072   for (i = ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
9073   {
9074     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
9075           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
9076          no_horizontal_scrollbar) ||
9077         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
9078           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
9079          no_vertical_scrollbar))
9080       continue;
9081
9082     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
9083   }
9084
9085   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
9086   {
9087     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
9088         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
9089       continue;
9090
9091     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
9092   }
9093
9094   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
9095 }
9096
9097 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
9098 {
9099   int i;
9100
9101   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
9102   {
9103     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
9104         i == GADGET_ID_CUSTOM_COPY_TO ||
9105         i == GADGET_ID_CUSTOM_EXCHANGE ||
9106         i == GADGET_ID_CUSTOM_COPY ||
9107         i == GADGET_ID_CUSTOM_PASTE)
9108     {
9109       if (map)
9110         MapGadget(level_editor_gadget[i]);
9111       else
9112         UnmapGadget(level_editor_gadget[i]);
9113     }
9114   }
9115 }
9116
9117 static void MapLevelEditorToolboxCustomGadgets(void)
9118 {
9119   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
9120 }
9121
9122 static void MapLevelEditorToolboxCustomGadgetsIfNeeded(void)
9123 {
9124   if (IS_CUSTOM_ELEMENT(properties_element) ||
9125       IS_GROUP_ELEMENT(properties_element) ||
9126       IS_EMPTY_ELEMENT(properties_element))
9127     MapLevelEditorToolboxCustomGadgets();
9128 }
9129
9130 static void UnmapLevelEditorToolboxCustomGadgets(void)
9131 {
9132   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
9133 }
9134
9135 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
9136 {
9137   int i;
9138
9139   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
9140   {
9141     if (i != GADGET_ID_SINGLE_ITEMS &&
9142         i != GADGET_ID_PICK_ELEMENT)
9143     {
9144       struct GadgetInfo *gi = level_editor_gadget[i];
9145
9146       if (map)
9147       {
9148         MapGadget(gi);
9149       }
9150       else
9151       {
9152         int graphic = IMG_EDITOR_NO_TOOLBOX_BUTTON;
9153         struct GraphicInfo *gd = &graphic_info[graphic];
9154
9155         UnmapGadget(gi);
9156
9157         BlitBitmap(gd->bitmap, drawto, gd->src_x, gd->src_y,
9158                    gi->width, gi->height, gi->x, gi->y);
9159
9160         redraw_mask |= REDRAW_DOOR_3;
9161       }
9162     }
9163   }
9164 }
9165
9166 static void MapLevelEditorToolboxDrawingGadgets(void)
9167 {
9168   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
9169 }
9170
9171 static void UnmapLevelEditorToolboxDrawingGadgets(void)
9172 {
9173   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
9174 }
9175
9176 static void UnmapDrawingArea(int id)
9177 {
9178   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
9179 }
9180
9181 static void UnmapLevelEditorFieldGadgets(void)
9182 {
9183   int i;
9184
9185   for (i = 0; i < num_editor_gadgets; i++)
9186     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
9187                           level_editor_gadget[i]->y))
9188       UnmapGadget(level_editor_gadget[i]);
9189 }
9190
9191 void UnmapLevelEditorGadgets(void)
9192 {
9193   int i;
9194
9195   for (i = 0; i < num_editor_gadgets; i++)
9196     UnmapGadget(level_editor_gadget[i]);
9197 }
9198
9199 static void ResetUndoBuffer(void)
9200 {
9201   undo_buffer_position = -1;
9202   undo_buffer_steps = -1;
9203   redo_buffer_steps = 0;
9204
9205   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
9206
9207   level.changed = FALSE;
9208 }
9209
9210 static void DrawEditModeWindowExt(boolean remap_toolbox_gadgets)
9211 {
9212   if (remap_toolbox_gadgets)
9213   {
9214     ModifyEditorElementList();
9215     RedrawDrawingElements();
9216   }
9217
9218   if (edit_mode == ED_MODE_LEVELCONFIG)
9219     DrawLevelConfigWindow();
9220   else if (edit_mode == ED_MODE_PROPERTIES)
9221     DrawPropertiesWindow();
9222   else if (edit_mode == ED_MODE_PALETTE)
9223     DrawPaletteWindow();
9224   else  // edit_mode == ED_MODE_DRAWING
9225     DrawDrawingWindowExt(remap_toolbox_gadgets);
9226 }
9227
9228 static void DrawEditModeWindow(void)
9229 {
9230   DrawEditModeWindowExt(TRUE);
9231 }
9232
9233 static void DrawEditModeWindow_PlayfieldOnly(void)
9234 {
9235   DrawEditModeWindowExt(FALSE);
9236 }
9237
9238 static void ChangeEditModeWindow(int new_edit_mode)
9239 {
9240   edit_mode = (new_edit_mode != edit_mode ? new_edit_mode : ED_MODE_DRAWING);
9241
9242   DrawEditModeWindow();
9243 }
9244
9245 static boolean LevelChanged(void)
9246 {
9247   boolean field_changed = FALSE;
9248   int x, y;
9249
9250   for (y = 0; y < lev_fieldy; y++)
9251     for (x = 0; x < lev_fieldx; x++)
9252       if (Tile[x][y] != level.field[x][y])
9253         field_changed = TRUE;
9254
9255   return (level.changed || field_changed);
9256 }
9257
9258 static boolean PrepareSavingIntoPersonalLevelSet(void)
9259 {
9260   static LevelDirTree *last_copied_leveldir = NULL;
9261   static LevelDirTree *last_written_leveldir = NULL;
9262   static int last_copied_level_nr = -1;
9263   static int last_written_level_nr = -1;
9264   LevelDirTree *leveldir_former = leveldir_current;
9265   int level_nr_former = level_nr;
9266   int new_level_nr;
9267
9268   // remember last mod/save so that for current session, we write
9269   // back to the same personal copy, asking only about overwrite.
9270   if (leveldir_current == last_copied_leveldir &&
9271       level_nr == last_copied_level_nr)
9272   {
9273     // "cd" to personal level set dir (as used when writing last copy)
9274     leveldir_current = last_written_leveldir;
9275     level_nr = last_written_level_nr;
9276
9277     return TRUE;
9278   }
9279
9280   if (!Request("This level is read-only! "
9281                "Save into personal level set?", REQ_ASK))
9282     return FALSE;
9283
9284   // "cd" to personal level set dir (for writing copy the first time)
9285   leveldir_current =
9286     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
9287
9288   // this may happen if "setup.internal.create_user_levelset" is FALSE
9289   // or if file "levelinfo.conf" is missing in personal user level set
9290   if (leveldir_current == NULL)
9291   {
9292     Request("Cannot find personal level set?!", REQ_CONFIRM);
9293
9294     leveldir_current = leveldir_former;
9295
9296     return FALSE;
9297   }
9298
9299   // find unused level number
9300   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
9301   {
9302     static char *level_filename = NULL;
9303
9304     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
9305
9306     if (!fileExists(level_filename))
9307       break;
9308   }
9309
9310   last_copied_leveldir = leveldir_former;
9311   last_copied_level_nr = level_nr_former;
9312
9313   last_written_leveldir = leveldir_current;
9314   last_written_level_nr = level_nr = new_level_nr;
9315
9316   return TRUE;
9317 }
9318
9319 static void ModifyLevelConfigForSavingIntoPersonalLevelSet(char *former_name)
9320 {
9321   static char *filename_levelinfo = NULL, *mod_name = NULL;
9322   FILE *file;
9323
9324   // annotate this copy-and-mod in personal levelinfo.conf
9325   setString(&filename_levelinfo,
9326             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
9327
9328   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
9329   {
9330     fprintf(file, "\n");
9331     fprintf(file, "# level %d was modified from:\n", level_nr);
9332     fprintf(file, "# - previous level set name:    %s\n",
9333             former_name);
9334     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
9335             level.file_info.nr, level.name);
9336     fprintf(file, "# - previous author:            %s\n",
9337             level.author);
9338     fprintf(file, "# - previous save date:         ");
9339
9340     if (level.creation_date.src == DATE_SRC_LEVELFILE)
9341     {
9342       fprintf(file, "%04d-%02d-%02d\n",
9343               level.creation_date.year,
9344               level.creation_date.month,
9345               level.creation_date.day);
9346     }
9347     else
9348     {
9349       fprintf(file, "not recorded\n");
9350     }
9351
9352     fclose(file);
9353   }
9354
9355   if (level_nr > leveldir_current->last_level)
9356     UpdateUserLevelSet(getLoginName(), NULL, NULL, level_nr + 9);
9357
9358   // else: allow the save even if annotation failed
9359
9360   // now... spray graffiti on the old level vital statistics
9361   // user can change these; just trying to set a good baseline
9362
9363   // don't truncate names for fear of making offensive or silly:
9364   // long-named original author only recorded in levelinfo.conf.
9365   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
9366   if (!strEqual(level.author, leveldir_current->author))
9367   {
9368     setString(&mod_name, getStringCat3(leveldir_current->author,
9369                                        " after ", level.author));
9370
9371     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
9372       setString(&mod_name,
9373                 getStringCat2(leveldir_current->author, " (ed.)"));
9374
9375     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
9376       setString(&mod_name, leveldir_current->author);
9377
9378     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
9379
9380     // less worried about truncation here
9381     setString(&mod_name, getStringCat2("Mod: ", level.name));
9382     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
9383   }
9384 }
9385
9386 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
9387                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
9388 {
9389   int x, y;
9390
9391   for (x = 0; x < lev_fieldx; x++)
9392     for (y = 0; y < lev_fieldy; y++)
9393       dst[x][y] = src[x][y];
9394 }
9395
9396 static int setSelectboxValue(int selectbox_id, int new_value)
9397 {
9398   int new_index_value = 0;
9399   int i;
9400
9401   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
9402     if (selectbox_info[selectbox_id].options[i].value == new_value)
9403       new_index_value = i;
9404
9405   *selectbox_info[selectbox_id].value =
9406     selectbox_info[selectbox_id].options[new_index_value].value;
9407
9408   return new_index_value;
9409 }
9410
9411 static void setSelectboxSpecialActionVariablesIfNeeded(void)
9412 {
9413   int i;
9414
9415   // change action mode and arg variables according to action type variable
9416   for (i = 0; action_arg_options[i].value != -1; i++)
9417   {
9418     if (action_arg_options[i].value == custom_element_change.action_type)
9419     {
9420       int mode = action_arg_options[i].mode;
9421
9422       // only change if corresponding selectbox has changed
9423       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
9424           action_arg_modes[mode])
9425         custom_element_change.action_mode = -1;
9426
9427       // only change if corresponding selectbox has changed
9428       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
9429           action_arg_options[i].options)
9430         custom_element_change.action_arg = -1;
9431
9432       break;
9433     }
9434   }
9435 }
9436
9437 static void setSelectboxSpecialActionOptions(void)
9438 {
9439   int i;
9440
9441   // change action mode and arg selectbox according to action type selectbox
9442   for (i = 0; action_arg_options[i].value != -1; i++)
9443   {
9444     if (action_arg_options[i].value == custom_element_change.action_type)
9445     {
9446       int mode = action_arg_options[i].mode;
9447
9448       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
9449                                    action_arg_modes[mode]);
9450       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
9451                                  custom_element_change.action_mode);
9452
9453       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
9454                                    action_arg_options[i].options);
9455       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
9456                                  custom_element_change.action_arg);
9457       break;
9458     }
9459   }
9460 }
9461
9462 static void copy_custom_element_settings(int element_from, int element_to)
9463 {
9464   struct ElementInfo *ei_from = &element_info[element_from];
9465   struct ElementInfo *ei_to = &element_info[element_to];
9466
9467   copyElementInfo(ei_from, ei_to);
9468 }
9469
9470 static void replace_custom_element_in_settings(int element_from,
9471                                                int element_to)
9472 {
9473   int i, j, x, y;
9474
9475   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
9476   {
9477     struct ElementInfo *ei = &element_info[i];
9478
9479     for (y = 0; y < 3; y++)
9480       for (x = 0; x < 3; x++)
9481         if (ei->content.e[x][y] == element_from)
9482           ei->content.e[x][y] = element_to;
9483
9484     for (j = 0; j < ei->num_change_pages; j++)
9485     {
9486       struct ElementChangeInfo *change = &ei->change_page[j];
9487
9488       if (change->target_element == element_from)
9489         change->target_element = element_to;
9490
9491       if (change->initial_trigger_element == element_from)
9492         change->initial_trigger_element = element_to;
9493
9494       if (change->action_element == element_from)
9495         change->action_element = element_to;
9496
9497       for (y = 0; y < 3; y++)
9498         for (x = 0; x < 3; x++)
9499           if (change->target_content.e[x][y] == element_from)
9500             change->target_content.e[x][y] = element_to;
9501     }
9502
9503     if (ei->group != NULL)                              // group or internal
9504       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
9505         if (ei->group->element[j] == element_from)
9506           ei->group->element[j] = element_to;
9507   }
9508 }
9509
9510 static void replace_custom_element_in_playfield(int element_from,
9511                                                 int element_to)
9512 {
9513   int x, y;
9514
9515   for (x = 0; x < lev_fieldx; x++)
9516     for (y = 0; y < lev_fieldy; y++)
9517       if (Tile[x][y] == element_from)
9518         Tile[x][y] = element_to;
9519 }
9520
9521 static boolean CopyCustomElement(int element_old, int element_new,
9522                                  int copy_mode)
9523 {
9524   int copy_mode_orig = copy_mode;
9525
9526   if (copy_mode == GADGET_ID_CUSTOM_COPY)
9527   {
9528     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
9529                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
9530     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
9531   }
9532   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
9533   {
9534     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
9535                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
9536     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
9537
9538     level.changed = TRUE;
9539   }
9540   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
9541   {
9542     Request("Please choose custom element!", REQ_CONFIRM);
9543
9544     return FALSE;
9545   }
9546   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
9547   {
9548     Request("Please choose group element!", REQ_CONFIRM);
9549
9550     return FALSE;
9551   }
9552   else if (IS_EMPTY_ELEMENT(element_old) && !IS_EMPTY_ELEMENT(element_new))
9553   {
9554     Request("Please choose empty element!", REQ_CONFIRM);
9555
9556     return FALSE;
9557   }
9558   else
9559   {
9560     level.changed = TRUE;
9561   }
9562
9563   // when modifying custom/group element, ask for copying level template
9564   if (copy_mode_orig != GADGET_ID_CUSTOM_COPY && level.use_custom_template)
9565   {
9566     if (!AskToCopyAndModifyLevelTemplate())
9567       return FALSE;
9568   }
9569
9570   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
9571   {
9572     copy_custom_element_settings(element_new, element_old);
9573   }
9574   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
9575   {
9576     copy_custom_element_settings(element_old, element_new);
9577   }
9578   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
9579   {
9580     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
9581     copy_custom_element_settings(element_new, element_old);
9582     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
9583
9584     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
9585     replace_custom_element_in_settings(element_new, element_old);
9586     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
9587
9588     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
9589     replace_custom_element_in_playfield(element_new, element_old);
9590     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
9591   }
9592
9593   UpdateCustomElementGraphicGadgets();
9594   DrawPropertiesWindow();
9595
9596   return TRUE;
9597 }
9598
9599 static void CopyCustomElementPropertiesToEditor(int element)
9600 {
9601   int i;
9602   int current_change_page = element_info[element].current_change_page;
9603
9604   // dynamically (re)build selectbox for selecting change page
9605   for (i = 0; i < element_info[element].num_change_pages; i++)
9606   {
9607     sprintf(options_change_page_strings[i], "%d", i + 1);
9608
9609     options_change_page[i].value = i;
9610     options_change_page[i].text = options_change_page_strings[i];
9611   }
9612
9613   options_change_page[i].value = -1;
9614   options_change_page[i].text = NULL;
9615
9616   // needed here to initialize combined element properties
9617   InitElementPropertiesEngine(level.game_version);
9618
9619   element_info[element].change =
9620     &element_info[element].change_page[current_change_page];
9621
9622   custom_element = element_info[element];
9623   custom_element_change = *element_info[element].change;
9624
9625   // needed to initially set selectbox options for special action options
9626   setSelectboxSpecialActionOptions();
9627
9628   // needed to initially set selectbox value variables to reliable defaults
9629   for (i = 0; i < ED_NUM_SELECTBOX; i++)
9630     setSelectboxValue(i, *selectbox_info[i].value);
9631
9632   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
9633     custom_element_properties[i] = HAS_PROPERTY(element, i);
9634
9635   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
9636     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
9637
9638   // ---------- element settings: configure (custom elements) -----------------
9639
9640   // set accessible layer selectbox help value
9641   custom_element.access_type =
9642     (IS_WALKABLE(element) ? EP_WALKABLE :
9643      IS_PASSABLE(element) ? EP_PASSABLE :
9644      custom_element.access_type);
9645   custom_element.access_layer =
9646     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
9647      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
9648      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
9649      custom_element.access_layer);
9650   custom_element.access_protected =
9651     (IS_PROTECTED(element) ? 1 : 0);
9652   custom_element_properties[EP_ACCESSIBLE] =
9653     (IS_ACCESSIBLE_OVER(element) ||
9654      IS_ACCESSIBLE_INSIDE(element) ||
9655      IS_ACCESSIBLE_UNDER(element));
9656
9657   // set walk-to-object action selectbox help value
9658   custom_element.walk_to_action =
9659     (IS_DIGGABLE(element) ? EP_DIGGABLE :
9660      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
9661      IS_DROPPABLE(element) ? EP_DROPPABLE :
9662      IS_THROWABLE(element) ? EP_THROWABLE :
9663      IS_PUSHABLE(element) ? EP_PUSHABLE :
9664      custom_element.walk_to_action);
9665   custom_element_properties[EP_WALK_TO_OBJECT] =
9666     (IS_DIGGABLE(element) ||
9667      IS_COLLECTIBLE_ONLY(element) ||
9668      IS_DROPPABLE(element) ||
9669      IS_THROWABLE(element) ||
9670      IS_PUSHABLE(element));
9671
9672   // set smash targets selectbox help value
9673   custom_element.smash_targets =
9674     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
9675      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
9676      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
9677      custom_element.smash_targets);
9678   custom_element_properties[EP_CAN_SMASH] =
9679     (CAN_SMASH_EVERYTHING(element) ||
9680      CAN_SMASH_ENEMIES(element) ||
9681      CAN_SMASH_PLAYER(element));
9682
9683   // set deadliness selectbox help value
9684   custom_element.deadliness =
9685     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
9686      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
9687      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
9688      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
9689      custom_element.deadliness);
9690   custom_element_properties[EP_DEADLY] =
9691     (DONT_TOUCH(element) ||
9692      DONT_GET_HIT_BY(element) ||
9693      DONT_COLLIDE_WITH(element) ||
9694      DONT_RUN_INTO(element));
9695
9696   // ---------- element settings: advanced (custom elements) ------------------
9697
9698   // set "change by direct action" selectbox help value
9699   custom_element_change.direct_action =
9700     (HAS_CHANGE_EVENT(element, CE_NEXT_TO_PLAYER) ? CE_NEXT_TO_PLAYER :
9701      HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
9702      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
9703      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
9704      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
9705      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
9706      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
9707      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
9708      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
9709      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
9710      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
9711      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
9712      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
9713      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
9714      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
9715      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
9716      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
9717      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
9718      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
9719      HAS_CHANGE_EVENT(element, CE_CLICKED_BY_MOUSE) ? CE_CLICKED_BY_MOUSE :
9720      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_MOUSE) ? CE_PRESSED_BY_MOUSE :
9721      custom_element_change.direct_action);
9722
9723   // set "change by other element action" selectbox help value
9724   custom_element_change.other_action =
9725     (HAS_CHANGE_EVENT(element, CE_PLAYER_NEXT_TO_X) ? CE_PLAYER_NEXT_TO_X :
9726      HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
9727      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
9728      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
9729      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
9730      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
9731      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
9732      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
9733      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
9734      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
9735      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
9736      HAS_CHANGE_EVENT(element, CE_NEXT_TO_X) ? CE_NEXT_TO_X :
9737      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
9738      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
9739      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
9740      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
9741      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
9742      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
9743      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
9744      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
9745      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
9746      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
9747      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
9748      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
9749      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
9750      HAS_CHANGE_EVENT(element, CE_MOUSE_CLICKED_ON_X) ? CE_MOUSE_CLICKED_ON_X :
9751      HAS_CHANGE_EVENT(element, CE_MOUSE_PRESSED_ON_X) ? CE_MOUSE_PRESSED_ON_X :
9752      custom_element_change.other_action);
9753 }
9754
9755 static void CopyGroupElementPropertiesToEditor(int element)
9756 {
9757   group_element_info = *element_info[element].group;
9758   custom_element = element_info[element];       // needed for description
9759 }
9760
9761 static void CopyEmptyElementPropertiesToEditor(int element)
9762 {
9763   custom_element = element_info[element];
9764 }
9765
9766 static void CopyClassicElementPropertiesToEditor(int element)
9767 {
9768   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
9769     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
9770       getMoveIntoAcidProperty(&level, element);
9771
9772   if (MAYBE_DONT_COLLIDE_WITH(element))
9773     custom_element_properties[EP_DONT_COLLIDE_WITH] =
9774       getDontCollideWithProperty(&level, element);
9775 }
9776
9777 static void CopyElementPropertiesToEditor(int element)
9778 {
9779   if (IS_CUSTOM_ELEMENT(element))
9780     CopyCustomElementPropertiesToEditor(element);
9781   else if (IS_GROUP_ELEMENT(element))
9782     CopyGroupElementPropertiesToEditor(element);
9783   else if (IS_EMPTY_ELEMENT(element))
9784     CopyEmptyElementPropertiesToEditor(element);
9785   else
9786     CopyClassicElementPropertiesToEditor(element);
9787 }
9788
9789 static boolean AskToCopyAndModifyLevelTemplate(void)
9790 {
9791   if (Request("Copy and modify settings from level template?", REQ_ASK))
9792   {
9793     level.use_custom_template = FALSE;
9794
9795     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_1],
9796                  GDI_CHECKED, FALSE, GDI_END);
9797     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_2],
9798                  GDI_CHECKED, FALSE, GDI_END);
9799
9800     return TRUE;
9801   }
9802   else
9803   {
9804     LoadLevelTemplate(-1);      // this resets all element modifications ...
9805
9806     DrawEditModeWindow();       // ... and copies them to 'custom_element'
9807
9808     return FALSE;
9809   }
9810 }
9811
9812 static void CopyCustomElementPropertiesToGame(int element)
9813 {
9814   int i;
9815   int access_type_and_layer;
9816
9817   // mark that this custom element has been modified
9818   custom_element.modified_settings = TRUE;
9819   level.changed = TRUE;
9820
9821   if (level.use_custom_template)
9822     AskToCopyAndModifyLevelTemplate();
9823
9824   element_info[element] = custom_element;
9825   *element_info[element].change = custom_element_change;
9826
9827   // ---------- element settings: configure (custom elements) -----------------
9828
9829   // set accessible property from checkbox and selectbox
9830   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
9831   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
9832   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
9833   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
9834   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
9835   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
9836   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
9837                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
9838                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
9839   custom_element_properties[access_type_and_layer] =
9840     custom_element_properties[EP_ACCESSIBLE];
9841   custom_element_properties[EP_PROTECTED] =
9842     (custom_element.access_protected != 0 &&
9843      custom_element_properties[EP_ACCESSIBLE]);
9844
9845   // set walk-to-object property from checkbox and selectbox
9846   custom_element_properties[EP_DIGGABLE] = FALSE;
9847   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
9848   custom_element_properties[EP_DROPPABLE] = FALSE;
9849   custom_element_properties[EP_THROWABLE] = FALSE;
9850   custom_element_properties[EP_PUSHABLE] = FALSE;
9851   custom_element_properties[custom_element.walk_to_action] =
9852     custom_element_properties[EP_WALK_TO_OBJECT];
9853
9854   // set smash property from checkbox and selectbox
9855   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
9856   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
9857   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
9858   custom_element_properties[custom_element.smash_targets] =
9859     custom_element_properties[EP_CAN_SMASH];
9860
9861   // set deadliness property from checkbox and selectbox
9862   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
9863   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
9864   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
9865   custom_element_properties[EP_DONT_TOUCH] = FALSE;
9866   custom_element_properties[custom_element.deadliness] =
9867     custom_element_properties[EP_DEADLY];
9868
9869   // ---------- element settings: advanced (custom elements) ------------------
9870
9871   // set player change event from checkbox and selectbox
9872   custom_element_change_events[CE_NEXT_TO_PLAYER] = FALSE;
9873   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
9874   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
9875   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
9876   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
9877   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
9878   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
9879   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
9880   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
9881   custom_element_change_events[CE_SWITCHED] = FALSE;
9882   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
9883   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
9884   custom_element_change_events[CE_BLOCKED] = FALSE;
9885   custom_element_change_events[CE_IMPACT] = FALSE;
9886   custom_element_change_events[CE_SMASHED] = FALSE;
9887   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
9888   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
9889   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
9890   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
9891   custom_element_change_events[CE_CLICKED_BY_MOUSE] = FALSE;
9892   custom_element_change_events[CE_PRESSED_BY_MOUSE] = FALSE;
9893   custom_element_change_events[custom_element_change.direct_action] =
9894     custom_element_change_events[CE_BY_DIRECT_ACTION];
9895
9896   // set other element action change event from checkbox and selectbox
9897   custom_element_change_events[CE_PLAYER_NEXT_TO_X] = FALSE;
9898   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
9899   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
9900   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
9901   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
9902   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
9903   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
9904   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
9905   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
9906   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
9907   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
9908   custom_element_change_events[CE_NEXT_TO_X] = FALSE;
9909   custom_element_change_events[CE_TOUCHING_X] = FALSE;
9910   custom_element_change_events[CE_HITTING_X] = FALSE;
9911   custom_element_change_events[CE_DIGGING_X] = FALSE;
9912   custom_element_change_events[CE_HIT_BY_X] = FALSE;
9913   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
9914   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
9915   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
9916   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
9917   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
9918   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
9919   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
9920   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
9921   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
9922   custom_element_change_events[CE_MOUSE_CLICKED_ON_X] = FALSE;
9923   custom_element_change_events[CE_MOUSE_PRESSED_ON_X] = FALSE;
9924   custom_element_change_events[custom_element_change.other_action] =
9925     custom_element_change_events[CE_BY_OTHER_ACTION];
9926
9927   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
9928     SET_PROPERTY(element, i, custom_element_properties[i]);
9929
9930   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
9931     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
9932
9933   // copy change events also to special level editor variable
9934   custom_element = element_info[element];
9935   custom_element_change = *element_info[element].change;
9936
9937   // needed here to restore runtime value "element_info[element].gfx_element"
9938   InitElementPropertiesGfxElement();
9939 }
9940
9941 static void CopyGroupElementPropertiesToGame(int element)
9942 {
9943   // mark that this group element has been modified
9944   custom_element.modified_settings = TRUE;
9945   level.changed = TRUE;
9946
9947   if (level.use_custom_template)
9948     AskToCopyAndModifyLevelTemplate();
9949
9950   element_info[element] = custom_element;
9951   *element_info[element].group = group_element_info;
9952
9953   // needed here to restore runtime value "element_info[element].gfx_element"
9954   InitElementPropertiesGfxElement();
9955 }
9956
9957 static void CopyEmptyElementPropertiesToGame(int element)
9958 {
9959   // mark that this empty element has been modified
9960   custom_element.modified_settings = TRUE;
9961   level.changed = TRUE;
9962
9963   if (level.use_custom_template)
9964     AskToCopyAndModifyLevelTemplate();
9965
9966   element_info[element] = custom_element;
9967
9968   // needed here to restore runtime value "element_info[element].gfx_element"
9969   InitElementPropertiesGfxElement();
9970 }
9971
9972 static void CopyClassicElementPropertiesToGame(int element)
9973 {
9974   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
9975     setMoveIntoAcidProperty(&level, element,
9976                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
9977
9978   if (MAYBE_DONT_COLLIDE_WITH(element))
9979     setDontCollideWithProperty(&level, element,
9980                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
9981 }
9982
9983 static void CopyElementPropertiesToGame(int element)
9984 {
9985   if (IS_CUSTOM_ELEMENT(element))
9986     CopyCustomElementPropertiesToGame(element);
9987   else if (IS_GROUP_ELEMENT(element))
9988     CopyGroupElementPropertiesToGame(element);
9989   else if (IS_EMPTY_ELEMENT(element))
9990     CopyEmptyElementPropertiesToGame(element);
9991   else
9992     CopyClassicElementPropertiesToGame(element);
9993 }
9994
9995 #if DEBUG
9996 static void CheckElementDescriptions(void)
9997 {
9998   int i;
9999
10000   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
10001     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
10002       Warn("no element description file for element '%s'", EL_NAME(i));
10003 }
10004 #endif
10005
10006 static int getMaxEdFieldX(boolean has_scrollbar)
10007 {
10008   int scrollbar_width = (has_scrollbar ? ED_SCROLLBUTTON_XSIZE : 0);
10009   int sxsize = SXSIZE - scrollbar_width;
10010   int max_ed_fieldx = sxsize / ed_tilesize;
10011
10012   return max_ed_fieldx;
10013 }
10014
10015 static int getMaxEdFieldY(boolean has_scrollbar)
10016 {
10017   int infotext_height = (IN_PIX_FIELD(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY) ?
10018                          INFOTEXT_YSIZE_FULL : 0);
10019   int scrollbar_height = (has_scrollbar ? ED_SCROLLBUTTON_YSIZE : 0);
10020   int sysize = SYSIZE - scrollbar_height - infotext_height;
10021   int max_ed_fieldy = sysize / ed_tilesize;
10022
10023   return max_ed_fieldy;
10024 }
10025
10026 static void InitZoomLevelSettings(int zoom_tilesize)
10027 {
10028   static int last_game_engine_type = GAME_ENGINE_TYPE_UNKNOWN;
10029
10030   if (zoom_tilesize == -1 && level.game_engine_type != last_game_engine_type)
10031   {
10032     ed_tilesize = setup.auto_setup.editor_zoom_tilesize;
10033     ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
10034
10035     // make sure that tile size is always a power of 2
10036     ed_tilesize = (1 << log_2(ed_tilesize));
10037
10038     if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
10039     {
10040       ed_tilesize = DEFAULT_EDITOR_TILESIZE_MM;
10041       ed_tilesize_default = DEFAULT_EDITOR_TILESIZE_MM;
10042     }
10043   }
10044
10045   last_game_engine_type = level.game_engine_type;
10046
10047   // limit zoom tilesize by upper and lower bound
10048   ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
10049
10050   // store zoom tilesize in auto setup file only if it was manually changed
10051   if (zoom_tilesize != -1)
10052     setup.auto_setup.editor_zoom_tilesize = ed_tilesize;
10053
10054   MAX_ED_FIELDX = getMaxEdFieldX(FALSE);
10055   MAX_ED_FIELDY = getMaxEdFieldY(FALSE);
10056 }
10057
10058 static void InitDrawingElements(void)
10059 {
10060   static int game_engine_type_last = GAME_ENGINE_TYPE_UNKNOWN;
10061
10062   if (level.game_engine_type == game_engine_type_last)
10063     return;
10064
10065   if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
10066   {
10067     new_element1 = EL_BD_WALL;
10068     new_element2 = EL_EMPTY;
10069     new_element3 = EL_BD_SAND;
10070   }
10071   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
10072   {
10073     new_element1 = EL_SP_CHIP_SINGLE;
10074     new_element2 = EL_EMPTY;
10075     new_element3 = EL_SP_BASE;
10076   }
10077   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
10078   {
10079     new_element1 = EL_MM_MIRROR_START;
10080     new_element2 = EL_EMPTY;
10081     new_element3 = EL_MM_WOODEN_WALL;
10082   }
10083   else
10084   {
10085     new_element1 = EL_WALL;
10086     new_element2 = EL_EMPTY;
10087     new_element3 = EL_SAND;
10088   }
10089
10090   game_engine_type_last = level.game_engine_type;
10091 }
10092
10093 static void InitLevelSetInfo(void)
10094 {
10095   snprintf(levelset_name,   MAX_LEVEL_NAME_LEN + 1,
10096            "%s", leveldir_current->name);
10097   snprintf(levelset_author, MAX_LEVEL_AUTHOR_LEN + 1,
10098            "%s", leveldir_current->author);
10099
10100   levelset_num_levels = leveldir_current->levels;
10101
10102   levelset_use_levelset_artwork = FALSE;
10103   levelset_copy_level_template = FALSE;
10104
10105   levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
10106 }
10107
10108 static void ChangeEditorToLevelSet(char *levelset_subdir)
10109 {
10110   leveldir_current = getTreeInfoFromIdentifier(leveldir_first, levelset_subdir);
10111
10112   // the previous level set might have used custom artwork
10113   ReloadCustomArtwork(0);
10114
10115   LoadLevelSetup_SeriesInfo();
10116
10117   SaveLevelSetup_LastSeries();
10118   SaveLevelSetup_SeriesInfo();
10119
10120   TapeErase();
10121
10122   LoadLevel(level_nr);
10123   LoadScore(level_nr);
10124
10125   DrawLevelEd();
10126 }
10127
10128 static boolean useEditorDoorAnimation(void)
10129 {
10130   struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
10131   boolean door_1_viewport_unchanged =
10132     (vp_door_1->x      == DX     &&
10133      vp_door_1->y      == DY     &&
10134      vp_door_1->width  == DXSIZE &&
10135      vp_door_1->height == DYSIZE);
10136   boolean door_1_contains_toolbox =
10137     (EX >= DX &&
10138      EY >= DY &&
10139      EX + EXSIZE <= DX + DXSIZE &&
10140      EY + EYSIZE <= DY + DYSIZE);
10141
10142   return (door_1_viewport_unchanged && door_1_contains_toolbox);
10143 }
10144
10145 static void DrawEditorDoorBackground(int graphic, int x, int y,
10146                                      int width, int height)
10147 {
10148   struct GraphicInfo *g = &graphic_info[graphic];
10149
10150   if (g->bitmap != NULL)
10151     BlitBitmap(g->bitmap, drawto, g->src_x, g->src_y,
10152                MIN(width, g->width), MIN(height, g->height), x, y);
10153   else
10154     ClearRectangle(drawto, x, y, width, height);
10155 }
10156
10157 static void DrawEditorDoorContent(void)
10158 {
10159   // needed for gadgets drawn on background (like palette scrollbar)
10160   SetDoorBackgroundImage(IMG_UNDEFINED);
10161
10162   // copy default editor door content to main double buffer
10163   DrawEditorDoorBackground(IMG_BACKGROUND_PALETTE, DX, DY, DXSIZE, DYSIZE);
10164
10165   // draw bigger door
10166   DrawSpecialEditorDoor();
10167
10168   // draw new control window
10169   DrawEditorDoorBackground(IMG_BACKGROUND_TOOLBOX, EX, EY, EXSIZE, EYSIZE);
10170
10171   // draw all toolbox gadgets to editor doors
10172   MapControlButtons();
10173
10174   // when returning from test game to properties page, redraw toolbox gadgets
10175   if (edit_mode == ED_MODE_PROPERTIES)
10176   {
10177     UnmapLevelEditorToolboxDrawingGadgets();
10178     UnmapLevelEditorToolboxCustomGadgets();
10179
10180     MapLevelEditorToolboxCustomGadgetsIfNeeded();
10181   }
10182
10183   // draw all palette gadgets to editor doors
10184   ModifyEditorElementList();
10185   RedrawDrawingElements();
10186
10187   // copy actual editor door content to door double buffer for OpenDoor()
10188   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
10189 }
10190
10191 void DrawLevelEd(void)
10192 {
10193   int fade_mask = REDRAW_FIELD;
10194
10195   FadeSoundsAndMusic();
10196
10197   if (CheckFadeAll())
10198     fade_mask = REDRAW_ALL;
10199
10200   FadeOut(fade_mask);
10201
10202   // needed if different viewport properties defined for editor
10203   ChangeViewportPropertiesIfNeeded();
10204
10205   ClearField();
10206
10207   InitZoomLevelSettings(-1);
10208   InitDrawingElements();
10209   InitLevelSetInfo();
10210
10211 #if DEBUG
10212   CheckElementDescriptions();
10213 #endif
10214
10215   if (level_editor_test_game)
10216   {
10217     CopyPlayfield(level.field, Tile);
10218     CopyPlayfield(TileBackup, level.field);
10219
10220     level_editor_test_game = FALSE;
10221   }
10222   else
10223   {
10224     edit_mode = ED_MODE_DRAWING;
10225     edit_mode_levelconfig = ED_MODE_LEVELCONFIG_LEVEL;
10226     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
10227
10228     ResetUndoBuffer();
10229
10230     level_xpos = -1;
10231     level_ypos = -1;
10232   }
10233
10234   // redraw_mask |= REDRAW_ALL;
10235
10236   FreeLevelEditorGadgets();
10237   CreateLevelEditorGadgets();
10238
10239   ReinitializeElementList();            // update dynamic level element list
10240   ReinitializeElementListButtons();     // custom element may look different
10241
10242   InitElementPropertiesGfxElement();
10243
10244   UnmapAllGadgets();
10245
10246   DrawEditModeWindow_PlayfieldOnly();
10247
10248   DrawMaskedBorder(fade_mask);
10249
10250   // use door animation if door 1 viewport is unchanged and contains toolbox
10251   if (useEditorDoorAnimation())
10252   {
10253     FadeIn(fade_mask);
10254
10255     DrawEditorDoorContent();
10256
10257     OpenDoor(DOOR_OPEN_1 | DOOR_FORCE_ANIM);
10258   }
10259   else
10260   {
10261     DrawEditorDoorContent();
10262
10263     FadeIn(fade_mask);
10264   }
10265
10266   SetDoorState(DOOR_OPEN_1 | DOOR_OPEN_2);
10267 }
10268
10269 static void AdjustDrawingAreaGadgets(void)
10270 {
10271   int ed_xsize = lev_fieldx + 2;
10272   int ed_ysize = lev_fieldy + 2;
10273   int max_ed_fieldx = MAX_ED_FIELDX;
10274   int max_ed_fieldy = MAX_ED_FIELDY;
10275   boolean horizontal_scrollbar_needed;
10276   boolean vertical_scrollbar_needed;
10277   int x, y, width, height;
10278
10279   if (suppressBorderElement())
10280   {
10281     ed_xsize = lev_fieldx;
10282     ed_ysize = lev_fieldy;
10283   }
10284
10285   // check if we need any scrollbars
10286   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
10287   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
10288
10289   // check if we have a smaller editor field because of scrollbars
10290   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
10291   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
10292
10293   // check again if we now need more scrollbars because of less space
10294   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
10295   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
10296
10297   // check if editor field gets even smaller after adding new scrollbars
10298   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
10299   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
10300
10301   ed_fieldx = (ed_xsize > max_ed_fieldx ? max_ed_fieldx : ed_xsize);
10302   ed_fieldy = (ed_ysize > max_ed_fieldy ? max_ed_fieldy : ed_ysize);
10303
10304   x = SX + ed_fieldx * ed_tilesize;
10305   y = SY + ed_fieldy * ed_tilesize;
10306
10307   width  = ed_fieldx * ed_tilesize - 2 * ED_SCROLLBUTTON_XSIZE;
10308   height = ed_fieldy * ed_tilesize - 2 * ED_SCROLLBUTTON_YSIZE;
10309
10310   // adjust drawing area gadget
10311   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
10312                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
10313                GDI_ITEM_SIZE, ed_tilesize, ed_tilesize,
10314                GDI_END);
10315
10316   // adjust horizontal scrollbar gadgets
10317   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LEFT],
10318                GDI_Y, y,
10319                GDI_END);
10320   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT],
10321                GDI_X, x - ED_SCROLLBUTTON_XSIZE,
10322                GDI_Y, y,
10323                GDI_END);
10324   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
10325                GDI_Y, y,
10326                GDI_WIDTH, width,
10327                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
10328                GDI_END);
10329
10330   // adjust vertical scrollbar gadgets
10331   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_UP],
10332                GDI_X, x,
10333                GDI_END);
10334   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN],
10335                GDI_X, x,
10336                GDI_Y, y - ED_SCROLLBUTTON_YSIZE,
10337                GDI_END);
10338   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
10339                GDI_X, x,
10340                GDI_HEIGHT, height,
10341                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
10342                GDI_END);
10343 }
10344
10345 static void AdjustLevelScrollPosition(void)
10346 {
10347   if (level_xpos < -1)
10348     level_xpos = -1;
10349   if (level_xpos > lev_fieldx - ed_fieldx + 1)
10350     level_xpos = lev_fieldx - ed_fieldx + 1;
10351   if (lev_fieldx < ed_fieldx - 2)
10352     level_xpos = -1;
10353
10354   if (level_ypos < -1)
10355     level_ypos = -1;
10356   if (level_ypos > lev_fieldy - ed_fieldy + 1)
10357     level_ypos = lev_fieldy - ed_fieldy + 1;
10358   if (lev_fieldy < ed_fieldy - 2)
10359     level_ypos = -1;
10360
10361   if (suppressBorderElement())
10362   {
10363     level_xpos = 0;
10364     level_ypos = 0;
10365   }
10366 }
10367
10368 static void AdjustEditorScrollbar(int id)
10369 {
10370   struct GadgetInfo *gi = level_editor_gadget[id];
10371   int items_max, items_visible, item_position;
10372
10373   if (id == GADGET_ID_SCROLL_HORIZONTAL)
10374   {
10375     items_max = MAX(lev_fieldx + 2, ed_fieldx);
10376     items_visible = ed_fieldx;
10377     item_position = level_xpos + 1;
10378   }
10379   else
10380   {
10381     items_max = MAX(lev_fieldy + 2, ed_fieldy);
10382     items_visible = ed_fieldy;
10383     item_position = level_ypos + 1;
10384   }
10385
10386   if (item_position > items_max - items_visible)
10387     item_position = items_max - items_visible;
10388
10389   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
10390                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
10391 }
10392
10393 static void AdjustElementListScrollbar(void)
10394 {
10395   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
10396   int items_max, items_visible, item_position;
10397
10398   // correct position of element list scrollbar
10399   if (element_shift < 0)
10400     element_shift = 0;
10401   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
10402     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
10403
10404   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
10405   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
10406   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
10407
10408   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
10409                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
10410                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
10411 }
10412
10413 static void ModifyEditorCounterValue(int counter_id, int new_value)
10414 {
10415   int *counter_value = counterbutton_info[counter_id].value;
10416   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
10417   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10418
10419   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
10420
10421   if (counter_value != NULL)
10422     *counter_value = gi->textinput.number_value;
10423 }
10424
10425 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
10426 {
10427   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
10428   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10429
10430   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
10431
10432   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
10433       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
10434   {
10435     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
10436     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
10437
10438     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
10439     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_SMALL_DISTANCE,
10440                  GDI_END);
10441   }
10442 }
10443
10444 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
10445 {
10446   int gadget_id = selectbox_info[selectbox_id].gadget_id;
10447   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10448   int new_index_value = setSelectboxValue(selectbox_id, new_value);
10449
10450   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
10451 }
10452
10453 static void ModifyEditorSelectboxOptions(int selectbox_id,
10454                                          struct ValueTextInfo *options)
10455 {
10456   int gadget_id = selectbox_info[selectbox_id].gadget_id;
10457   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10458
10459   selectbox_info[selectbox_id].options = options;
10460
10461   // set index to zero -- list may be shorter now (correct later, if needed)
10462   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
10463                GDI_SELECTBOX_OPTIONS, options, GDI_END);
10464 }
10465
10466 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
10467 {
10468   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
10469   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10470
10471   drawingarea_info[drawingarea_id].area_xsize = xsize;
10472   drawingarea_info[drawingarea_id].area_ysize = ysize;
10473
10474   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
10475 }
10476
10477 static void ModifyEditorElementList(void)
10478 {
10479   int i;
10480
10481   if (!use_permanent_palette && edit_mode != ED_MODE_PALETTE)
10482     return;
10483
10484   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
10485   {
10486     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
10487     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10488     struct GadgetDesign *gd = &gi->deco.design;
10489     int element = editor_elements[element_shift + i];
10490     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
10491
10492     UnmapGadget(gi);
10493
10494     getEditorGraphicSource(element, tile_size, &gd->bitmap, &gd->x, &gd->y);
10495
10496     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
10497
10498     MapGadget(gi);
10499   }
10500 }
10501
10502 static void DrawDrawingElementGraphic(int element, struct XYTileSize *pos)
10503 {
10504   int graphic = el2edimg(element);
10505   int tile_size = BUTTON_TILE_SIZE(pos->tile_size);
10506
10507   if (pos->x == -1 &&
10508       pos->y == -1)
10509     return;
10510
10511   DrawSizedGraphicExt(drawto, DX + pos->x, DY + pos->y, graphic, 0, tile_size);
10512 }
10513
10514 static void ModifyDrawingElementButton(int element, int id)
10515 {
10516   struct GadgetInfo *gi = level_editor_gadget[id];
10517   Bitmap *deco_bitmap;
10518   int deco_x, deco_y;
10519   int tile_size = gi->deco.width;
10520
10521   getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
10522
10523   ModifyGadget(gi, GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y, GDI_END);
10524 }
10525
10526 static void PickDrawingElement(int button, int element)
10527 {
10528   struct
10529   {
10530     int *new_element;
10531     struct XYTileSize *pos;
10532     int id;
10533   } de, drawing_elements[] =
10534   {
10535     { &new_element1, &editor.palette.element_left,   GADGET_ID_ELEMENT_LEFT   },
10536     { &new_element2, &editor.palette.element_middle, GADGET_ID_ELEMENT_MIDDLE },
10537     { &new_element3, &editor.palette.element_right,  GADGET_ID_ELEMENT_RIGHT  },
10538   };
10539
10540   if (button < 1 || button > 3)
10541     return;
10542
10543   if (IS_MM_WALL(element))
10544     element = map_mm_wall_element(element);
10545
10546   de = drawing_elements[button - 1];
10547
10548   *de.new_element = element;    // update global drawing element variable
10549
10550   DrawDrawingElementGraphic(element, de.pos);
10551   ModifyDrawingElementButton(element, de.id);
10552
10553   redraw_mask |= REDRAW_DOOR_1;
10554 }
10555
10556 static void RedrawDrawingElements(void)
10557 {
10558   PickDrawingElement(1, new_element1);
10559   PickDrawingElement(2, new_element2);
10560   PickDrawingElement(3, new_element3);
10561 }
10562
10563 static void DrawDrawingWindowExt(boolean remap_toolbox_gadgets)
10564 {
10565   stick_element_properties_window = FALSE;
10566
10567   SetMainBackgroundImage(IMG_UNDEFINED);
10568   ClearField();
10569
10570   UnmapLevelEditorFieldGadgets();
10571
10572   AdjustDrawingAreaGadgets();
10573   AdjustLevelScrollPosition();
10574   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
10575   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
10576
10577   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10578
10579   MapMainDrawingArea();
10580
10581   if (remap_toolbox_gadgets)
10582   {
10583     UnmapLevelEditorToolboxCustomGadgets();
10584     MapLevelEditorToolboxDrawingGadgets();
10585   }
10586 }
10587
10588 static void DrawDrawingWindow(void)
10589 {
10590   DrawDrawingWindowExt(TRUE);
10591 }
10592
10593 static int getTabulatorBarWidth(void)
10594 {
10595   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
10596   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
10597
10598   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
10599 }
10600
10601 static int getTabulatorBarHeight(void)
10602 {
10603   return ED_TAB_BAR_HEIGHT;
10604 }
10605
10606 static Pixel getTabulatorBarColor(void)
10607 {
10608   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELCONFIG_LEVEL];
10609   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
10610   int gd_x = gd->x + gd_gi1->border.width / 2;
10611   int gd_y = gd->y + gd_gi1->height - 1;
10612
10613   return GetPixel(gd->bitmap, gd_x, gd_y);
10614 }
10615
10616 static void DrawLevelConfigTabulatorGadgets(void)
10617 {
10618   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELCONFIG_LEVEL];
10619   Pixel tab_color = getTabulatorBarColor();
10620   int id_first = ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL;
10621   int id_last  = ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR;
10622   int i;
10623
10624   // draw additional "engine" tabulator when using native BD engine
10625   if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
10626     id_last = ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE;
10627
10628   for (i = id_first; i <= id_last; i++)
10629   {
10630     int gadget_id = textbutton_info[i].gadget_id;
10631     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10632     boolean active = (i != edit_mode_levelconfig);
10633
10634     // draw background line below tabulator button
10635     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
10636
10637     // draw solid line below inactive tabulator buttons
10638     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
10639       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
10640                     ED_GADGET_TINY_DISTANCE, tab_color);
10641
10642     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
10643     MapTextbuttonGadget(i);
10644   }
10645
10646   // draw little border line below tabulator buttons
10647   if (tab_color != BLACK_PIXEL)                 // black => transparent
10648     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
10649                   ED_GADGET_TINY_DISTANCE,
10650                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
10651 }
10652
10653 static void DrawPropertiesTabulatorGadgets(void)
10654 {
10655   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
10656   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
10657   int gd_x = gd->x + gd_gi1->border.width / 2;
10658   int gd_y = gd->y + gd_gi1->height - 1;
10659   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
10660   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
10661   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
10662   int i;
10663
10664   // draw two config tabulators for player elements
10665   if (IS_PLAYER_ELEMENT(properties_element))
10666     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
10667
10668   // draw two config and one "change" tabulator for custom elements
10669   if (IS_CUSTOM_ELEMENT(properties_element))
10670     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
10671
10672   for (i = id_first; i <= id_last; i++)
10673   {
10674     int gadget_id = textbutton_info[i].gadget_id;
10675     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10676     boolean active = (i != edit_mode_properties);
10677
10678     // use "config 1" and "config 2" instead of "config" for players and CEs
10679     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
10680         (IS_PLAYER_ELEMENT(properties_element) ||
10681          IS_CUSTOM_ELEMENT(properties_element)))
10682       continue;
10683
10684     // draw background line below tabulator button
10685     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
10686
10687     // draw solid line below inactive tabulator buttons
10688     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
10689       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
10690                     ED_GADGET_TINY_DISTANCE, tab_color);
10691
10692     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
10693     MapTextbuttonGadget(i);
10694   }
10695
10696   // draw little border line below tabulator buttons
10697   if (tab_color != BLACK_PIXEL)                 // black => transparent
10698     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
10699                   ED_GADGET_TINY_DISTANCE,
10700                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
10701 }
10702
10703 static void PrintInfoText(char *text, int font_nr, int xpos, int ypos)
10704 {
10705   DrawText(SX + xpos, SY + ypos, text, font_nr);
10706 }
10707
10708 static int PrintElementDescriptionFromFile(char *filename, int font_nr,
10709                                            int xpos, int ypos)
10710 {
10711   int font_width = getFontWidth(font_nr);
10712   int font_height = getFontHeight(font_nr);
10713   int max_chars_per_line = (SXSIZE - 2 * xpos) / font_width;
10714   int max_lines_drawable = (SYSIZE - ypos) / font_height - 1;
10715
10716   return DrawTextFile(SX + xpos, SY + ypos, filename, font_nr,
10717                       max_chars_per_line, -1, max_lines_drawable, 0, -1,
10718                       TRUE, FALSE, FALSE);
10719 }
10720
10721 static void DrawLevelConfigLevel(void)
10722 {
10723   int i;
10724
10725   // draw counter gadgets
10726   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
10727     MapCounterButtons(i);
10728
10729   // draw checkbutton gadgets
10730   for (i = ED_CHECKBUTTON_ID_LEVEL_FIRST; i<= ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
10731     MapCheckbuttonGadget(i);
10732
10733   // draw selectbox gadgets
10734   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
10735     MapSelectboxGadget(i);
10736
10737   // draw text input gadgets
10738   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
10739     MapTextInputGadget(i);
10740 }
10741
10742 static char *getLevelSubdirFromSaveMode(int save_mode)
10743 {
10744   if (save_mode == LEVELSET_SAVE_MODE_CREATE)
10745     return getNewUserLevelSubdir();
10746
10747   return leveldir_current->subdir;
10748 }
10749
10750 static void DrawLevelConfigLevelSet_DirectoryInfo(void)
10751 {
10752   char *directory_text = "Level set directory:";
10753   char *directory_name = getLevelSubdirFromSaveMode(levelset_save_mode);
10754   int font1_nr = FONT_TEXT_1;
10755   int font2_nr = FONT_TEXT_2;
10756   int font1_height = getFontHeight(font1_nr);
10757   int yoffset_above = font1_height + ED_GADGET_LINE_DISTANCE;
10758   int x = ED_LEVEL_SETTINGS_X(0);
10759   int y = ED_LEVEL_SETTINGS_Y(6);
10760
10761   PrintInfoText(directory_text, font1_nr, x, y - yoffset_above);
10762   PrintInfoText(directory_name, font2_nr, x, y);
10763 }
10764
10765 static void DrawLevelConfigLevelSet(void)
10766 {
10767   boolean artwork_exists = checkIfCustomArtworkExistsForCurrentLevelSet();
10768   boolean template_exists = fileExists(getLocalLevelTemplateFilename());
10769   int i;
10770
10771   // draw counter gadgets
10772   for (i = ED_COUNTER_ID_LEVELSET_FIRST; i <= ED_COUNTER_ID_LEVELSET_LAST; i++)
10773     MapCounterButtons(i);
10774
10775   // draw checkbutton gadgets
10776   for (i = ED_CHECKBUTTON_ID_LEVELSET_FIRST; i <= ED_CHECKBUTTON_ID_LEVELSET_LAST; i++)
10777   {
10778     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE ||
10779         (i == ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK && !artwork_exists) ||
10780         (i == ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE  && !template_exists))
10781       continue;
10782
10783     MapCheckbuttonGadget(i);
10784   }
10785
10786   // draw selectbox gadgets
10787   for (i = ED_SELECTBOX_ID_LEVELSET_FIRST; i <= ED_SELECTBOX_ID_LEVELSET_LAST; i++)
10788     MapSelectboxGadget(i);
10789
10790   // draw text input gadgets
10791   for (i = ED_TEXTINPUT_ID_LEVELSET_FIRST; i <= ED_TEXTINPUT_ID_LEVELSET_LAST; i++)
10792     MapTextInputGadget(i);
10793
10794   // draw textbutton gadgets
10795   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_LEVELSET);
10796
10797   // draw info text
10798   DrawLevelConfigLevelSet_DirectoryInfo();
10799 }
10800
10801 static void DrawLevelConfigEditor(void)
10802 {
10803   int i;
10804
10805   // draw counter gadgets
10806   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
10807     MapCounterButtons(i);
10808
10809   // draw checkbutton gadgets
10810   for (i = ED_CHECKBUTTON_ID_EDITOR_FIRST; i <= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
10811     MapCheckbuttonGadget(i);
10812
10813   // draw radiobutton gadgets
10814   for (i = ED_RADIOBUTTON_ID_EDITOR_FIRST; i <= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
10815     MapRadiobuttonGadget(i);
10816
10817   // draw drawing area
10818   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
10819
10820   // draw textbutton gadgets
10821   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2);
10822 }
10823
10824 static void DrawLevelConfigEngine(void)
10825 {
10826   int i;
10827
10828   // draw counter gadgets
10829   if (level.bd_scheduling_type == GD_SCHEDULING_MILLISECONDS)
10830   {
10831     MapCounterButtons(ED_COUNTER_ID_BD_CYCLE_DELAY_MS);
10832     MapCounterButtons(ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES);
10833   }
10834   else
10835   {
10836     MapCounterButtons(ED_COUNTER_ID_BD_CYCLE_DELAY_C64);
10837     MapCounterButtons(ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS);
10838   }
10839
10840   MapCounterButtons(ED_COUNTER_ID_BD_CREATURES_AUTO_TURN_DELAY);
10841
10842   // draw checkbutton gadgets
10843   for (i = ED_CHECKBUTTON_ID_ENGINE_FIRST; i <= ED_CHECKBUTTON_ID_ENGINE_LAST; i++)
10844     MapCheckbuttonGadget(i);
10845
10846   // draw selectbox gadgets
10847   for (i = ED_SELECTBOX_ID_ENGINE_FIRST; i <= ED_SELECTBOX_ID_ENGINE_LAST; i++)
10848     MapSelectboxGadget(i);
10849 }
10850
10851 static void DrawLevelConfigWindow(void)
10852 {
10853   char *text = "Global Settings";
10854   int font_nr = FONT_TITLE_1;
10855   struct MenuPosInfo *pos = &editor.settings.headline;
10856   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font_nr), pos->align);
10857   int sy = SY + pos->y;
10858
10859   stick_element_properties_window = FALSE;
10860
10861   SetAutomaticNumberOfGemsNeeded();
10862
10863   UnmapLevelEditorFieldGadgets();
10864
10865   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
10866   ClearField();
10867
10868   DrawText(sx, sy, text, font_nr);
10869
10870   DrawLevelConfigTabulatorGadgets();
10871
10872   if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_LEVEL)
10873     DrawLevelConfigLevel();
10874   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_LEVELSET)
10875     DrawLevelConfigLevelSet();
10876   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_EDITOR)
10877     DrawLevelConfigEditor();
10878   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_ENGINE)
10879     DrawLevelConfigEngine();
10880 }
10881
10882 static void DrawCustomContentArea(void)
10883 {
10884   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
10885   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
10886   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
10887   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
10888   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
10889   int xoffset = ED_GADGET_SPACE_DISTANCE;
10890
10891   // add distance for potential left text (without drawing area border)
10892   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
10893
10894   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
10895
10896   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
10897 }
10898
10899 static void DrawCustomChangeContentArea(void)
10900 {
10901   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
10902   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
10903   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
10904   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
10905   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
10906   int xoffset = ED_GADGET_SPACE_DISTANCE;
10907
10908   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
10909
10910   MapDrawingArea(id);
10911 }
10912
10913 static void RemoveElementContentArea(int id, int font_height)
10914 {
10915   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10916
10917   DrawBackground(SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size,
10918                  SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size,
10919                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10920                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size +
10921                  ED_GADGET_TEXT_DISTANCE + font_height);
10922 }
10923
10924 static void DrawYamYamContentAreas(void)
10925 {
10926   int font_nr = FONT_TEXT_1;
10927   int font_height = getFontHeight(font_nr);
10928   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
10929   int yoffset = (tilesize - font_height) / 2;
10930   int x = SX + ED_AREA_YAMYAM_CONTENT_X(3) + 4 * tilesize;
10931   int y = SY + ED_AREA_YAMYAM_CONTENT_Y(3) + yoffset;
10932   int i;
10933
10934   // display counter to choose number of element content areas
10935   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
10936
10937   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
10938   {
10939     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
10940
10941     if (i < level.num_yamyam_contents)
10942     {
10943       MapDrawingArea(id);
10944     }
10945     else
10946     {
10947       UnmapDrawingArea(id);
10948
10949       // delete content areas in case of reducing number of them
10950       RemoveElementContentArea(id, font_height);
10951     }
10952   }
10953
10954   DrawText(x, y + 0 * tilesize, "content", font_nr);
10955   DrawText(x, y + 1 * tilesize, "when",    font_nr);
10956   DrawText(x, y + 2 * tilesize, "smashed", font_nr);
10957 }
10958
10959 static void DrawMagicBallContentAreas(void)
10960 {
10961   int font_nr = FONT_TEXT_1;
10962   int font_height = getFontHeight(font_nr);
10963   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
10964   int yoffset = (tilesize - font_height) / 2;
10965   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_X(3) + 4 * tilesize;
10966   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_Y(3) + yoffset;
10967   int i;
10968
10969   // display counter to choose number of element content areas
10970   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
10971
10972   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
10973   {
10974     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
10975
10976     if (i < level.num_ball_contents)
10977     {
10978       MapDrawingArea(id);
10979     }
10980     else
10981     {
10982       UnmapDrawingArea(id);
10983
10984       // delete content areas in case of reducing number of them
10985       RemoveElementContentArea(id, font_height);
10986     }
10987   }
10988
10989   DrawText(x, y + 0 * tilesize, "generated", font_nr);
10990   DrawText(x, y + 1 * tilesize, "when",      font_nr);
10991   DrawText(x, y + 2 * tilesize, "active",    font_nr);
10992 }
10993
10994 static void DrawAndroidElementArea(void)
10995 {
10996   int id = ED_DRAWING_ID_ANDROID_CONTENT;
10997   int num_elements = level.num_android_clone_elements;
10998   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10999   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
11000   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
11001   int xsize = MAX_ANDROID_ELEMENTS;
11002   int ysize = 1;
11003
11004   // display counter to choose number of element areas
11005   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
11006
11007   if (drawingarea_info[id].text_left != NULL)
11008     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
11009
11010   UnmapDrawingArea(id);
11011
11012   ModifyEditorDrawingArea(id, num_elements, 1);
11013
11014   // delete content areas in case of reducing number of them
11015   DrawBackground(sx, sy,
11016                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
11017                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
11018
11019   MapDrawingArea(id);
11020 }
11021
11022 static void DrawGroupElementArea(void)
11023 {
11024   int id = ED_DRAWING_ID_GROUP_CONTENT;
11025   int num_elements = group_element_info.num_elements;
11026   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
11027   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
11028   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
11029   int xsize = MAX_ELEMENTS_IN_GROUP;
11030   int ysize = 1;
11031
11032   if (drawingarea_info[id].text_left != NULL)
11033     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
11034
11035   UnmapDrawingArea(id);
11036
11037   ModifyEditorDrawingArea(id, num_elements, 1);
11038
11039   // delete content areas in case of reducing number of them
11040   DrawBackground(sx, sy,
11041                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
11042                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
11043
11044   MapDrawingArea(id);
11045 }
11046
11047 static void DrawPlayerInitialInventoryArea(int element)
11048 {
11049   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
11050   int player_nr = GET_PLAYER_NR(element);
11051   int num_elements = level.initial_inventory_size[player_nr];
11052   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
11053   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
11054   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
11055   int xsize = MAX_INITIAL_INVENTORY_SIZE;
11056   int ysize = 1;
11057
11058   // determine horizontal position to the right of specified gadget
11059   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
11060     sx = (right_gadget_border[drawingarea_info[id].gadget_id_align] +
11061           ED_DRAWINGAREA_TEXT_DISTANCE);
11062
11063   // determine horizontal offset for leading text
11064   if (drawingarea_info[id].text_left != NULL)
11065     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
11066
11067   UnmapDrawingArea(id);
11068
11069   ModifyEditorDrawingArea(id, num_elements, 1);
11070
11071   // delete content areas in case of reducing number of them
11072   DrawBackground(sx, sy,
11073                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
11074                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
11075
11076   MapDrawingArea(id);
11077 }
11078
11079 static void DrawMMBallContentArea(void)
11080 {
11081   int id = ED_DRAWING_ID_MM_BALL_CONTENT;
11082   int num_elements = level.num_mm_ball_contents;
11083   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
11084   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
11085   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
11086   int xsize = MAX_MM_BALL_CONTENTS;
11087   int ysize = 1;
11088
11089   if (drawingarea_info[id].text_left != NULL)
11090     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
11091
11092   UnmapDrawingArea(id);
11093
11094   ModifyEditorDrawingArea(id, num_elements, 1);
11095
11096   // delete content areas in case of reducing number of them
11097   DrawBackground(sx, sy,
11098                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
11099                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
11100
11101   MapDrawingArea(id);
11102 }
11103
11104 static void DrawEnvelopeTextArea(int envelope_nr)
11105 {
11106   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
11107   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
11108
11109   UnmapGadget(gi);
11110
11111   DrawBackground(gi->x, gi->y,
11112                  gi->textarea.crop_width, gi->textarea.crop_height);
11113
11114   if (envelope_nr != -1)
11115     textarea_info[id].value = level.envelope[envelope_nr].text;
11116
11117   ModifyGadget(gi, GDI_AREA_SIZE,
11118                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
11119                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
11120                GDI_END);
11121
11122   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
11123 }
11124
11125 static void DrawPropertiesInfo(void)
11126 {
11127   static struct
11128   {
11129     int value;
11130     char *text;
11131   }
11132   properties[] =
11133   {
11134     // configurable properties
11135
11136     { EP_WALKABLE_OVER,         "- player can walk over it"             },
11137     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
11138     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
11139     { EP_PASSABLE_OVER,         "- player can pass over it"             },
11140     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
11141     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
11142     { EP_PROTECTED,             "- player is protected by it"           },
11143
11144     { EP_DIGGABLE,              "- can be digged away"                  },
11145     { EP_COLLECTIBLE,           "- can be collected"                    },
11146     { EP_DROPPABLE,             "- can be dropped after collecting"     },
11147     { EP_THROWABLE,             "- can be thrown after collecting"      },
11148     { EP_PUSHABLE,              "- can be pushed"                       },
11149
11150     { EP_CAN_FALL,              "- can fall"                            },
11151     { EP_CAN_MOVE,              "- can move"                            },
11152
11153     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
11154 #if 0
11155     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
11156 #endif
11157     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
11158
11159     { EP_SLIPPERY,              "- slippery for falling elements"       },
11160     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
11161
11162     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
11163     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
11164     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
11165     { EP_DONT_TOUCH,            "- deadly when touching"                },
11166
11167     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
11168
11169     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
11170     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
11171     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
11172
11173     { EP_CAN_CHANGE,            "- can change to other element"         },
11174
11175     // pre-defined properties
11176     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
11177     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
11178     { EP_SWITCHABLE,            "- can be switched"                     },
11179 #if 0
11180     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
11181 #endif
11182
11183     { -1,                       NULL                                    }
11184   };
11185   char *filename = getElementDescriptionFilename(properties_element);
11186   char *num_elements_text = "In this level: ";
11187   char *num_similar_text = "Similar tiles: ";
11188   char *properties_text = "Standard properties: ";
11189   char *description_text = "Description:";
11190   char *no_description_text = "No description available.";
11191   char *none_text = "None";
11192   float percentage;
11193   int num_elements_in_level = 0;
11194   int num_similar_in_level = 0;
11195   int num_hires_tiles_in_level = 0;
11196   int num_standard_properties = 0;
11197   int font1_nr = FONT_TEXT_1;
11198   int font2_nr = FONT_TEXT_2;
11199   int font1_width = getFontWidth(font1_nr);
11200   int font1_height = getFontHeight(font1_nr);
11201   int font2_height = getFontHeight(font2_nr);
11202   int line1_height = font1_height + ED_GADGET_LINE_DISTANCE;
11203   int font2_yoffset = (font1_height - font2_height) / 2;
11204   int num_elements_text_len = strlen(num_elements_text) * font1_width;
11205   int num_similar_text_len = strlen(num_similar_text) * font1_width;
11206   int properties_text_len = strlen(properties_text) * font1_width;
11207   int xpos = ED_ELEMENT_SETTINGS_X(0);
11208   int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
11209   int i, x, y;
11210
11211   if (setup.editor.show_element_token)
11212   {
11213     int font3_nr = FONT_TEXT_3;
11214     int font3_height = getFontHeight(font3_nr);
11215
11216     DrawTextF(xpos, ypos, font3_nr,
11217               "[%s]", element_info[properties_element].token_name);
11218
11219     ypos += 2 * font3_height;
11220   }
11221
11222   // ----- print number of elements / percentage of this element in level
11223
11224   for (y = 0; y < lev_fieldy; y++)
11225   {
11226     for (x = 0; x < lev_fieldx; x++)
11227     {
11228       if (Tile[x][y] == properties_element)
11229       {
11230         num_elements_in_level++;
11231       }
11232       else if (IS_MM_WALL(Tile[x][y]) &&
11233                map_mm_wall_element(Tile[x][y]) == properties_element)
11234       {
11235         num_hires_tiles_in_level += numHiresTiles(Tile[x][y]);
11236       }
11237     }
11238   }
11239
11240   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
11241
11242   DrawTextS(xpos, ypos, font1_nr, num_elements_text);
11243
11244   if (num_hires_tiles_in_level > 0)
11245     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
11246               "%d wall tiles", num_hires_tiles_in_level);
11247   else if (num_elements_in_level > 0)
11248     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
11249               "%d (%.2f %%)", num_elements_in_level, percentage);
11250   else
11251     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
11252               none_text);
11253
11254   // ----- print number of similar elements / percentage of them in level
11255
11256   for (y = 0; y < lev_fieldy; y++)
11257   {
11258     for (x = 0; x < lev_fieldx; x++)
11259     {
11260       if (strEqual(element_info[Tile[x][y]].class_name,
11261                    element_info[properties_element].class_name))
11262       {
11263         num_similar_in_level++;
11264       }
11265     }
11266   }
11267
11268   if (num_similar_in_level != num_elements_in_level)
11269   {
11270     ypos += 1 * MAX(font1_height, font2_height);
11271
11272     percentage = num_similar_in_level * 100.0 / (lev_fieldx * lev_fieldy);
11273
11274     DrawTextS(xpos, ypos, font1_nr, num_similar_text);
11275
11276     if (num_similar_in_level > 0)
11277       DrawTextF(xpos + num_similar_text_len, ypos + font2_yoffset, font2_nr,
11278                 "%d (%.2f %%)", num_similar_in_level, percentage);
11279     else
11280       DrawTextF(xpos + num_similar_text_len, ypos + font2_yoffset, font2_nr,
11281                 none_text);
11282   }
11283
11284   ypos += 2 * MAX(font1_height, font2_height);
11285
11286   // ----- print standard properties of this element
11287
11288   DrawTextS(xpos, ypos, font1_nr, properties_text);
11289
11290   ypos += line1_height;
11291
11292   for (i = 0; properties[i].value != -1; i++)
11293   {
11294     if (!HAS_PROPERTY(properties_element, properties[i].value))
11295       continue;
11296
11297     DrawTextS(xpos, ypos, font2_nr, properties[i].text);
11298
11299     ypos += font2_height;
11300
11301     num_standard_properties++;
11302   }
11303
11304   if (num_standard_properties == 0)
11305   {
11306     DrawTextS(xpos + properties_text_len, ypos - line1_height + font2_yoffset,
11307               font2_nr, none_text);
11308
11309     ypos -= (line1_height - font1_height);
11310   }
11311
11312   ypos += MAX(font1_height, font2_height);
11313
11314   // ----- print special description of this element
11315
11316   PrintInfoText(description_text, font1_nr, xpos, ypos);
11317
11318   ypos += line1_height;
11319
11320   if (PrintElementDescriptionFromFile(filename, font2_nr, xpos, ypos) == 0)
11321     PrintInfoText(no_description_text, font1_nr, xpos, ypos - line1_height);
11322 }
11323
11324 #define TEXT_COLLECTING                 "Score for collecting"
11325 #define TEXT_COLLECTING_EXTRA           "Score for extra diamonds"
11326 #define TEXT_SMASHING                   "Score for smashing"
11327 #define TEXT_SLURPING                   "Score for slurping robot"
11328 #define TEXT_CRACKING                   "Score for cracking"
11329 #define TEXT_AMOEBA_SPEED               "Speed of amoeba growth"
11330 #define TEXT_AMOEBA_THRESHOED           "Size for turning to rocks"
11331 #define TEXT_AMOEBA_SLOW_TIME           "Slow growth time (seconds)"
11332 #define TEXT_AMOEBA_SLOW_RATE           "Slow growth rate (percent)"
11333 #define TEXT_AMOEBA_FAST_RATE           "Fast growth rate (percent)"
11334 #define TEXT_DURATION                   "Duration when activated"
11335 #define TEXT_DELAY_ON                   "Delay before activating"
11336 #define TEXT_DELAY_OFF                  "Delay before deactivating"
11337 #define TEXT_DELAY_CHANGING             "Delay before changing"
11338 #define TEXT_DELAY_EXPLODING            "Delay before exploding"
11339 #define TEXT_DELAY_MOVING               "Delay before moving"
11340 #define TEXT_BALL_DELAY                 "Element generation delay"
11341 #define TEXT_MOVE_SPEED                 "Speed of android moving"
11342 #define TEXT_CLONE_SPEED                "Speed of android cloning"
11343 #define TEXT_GAME_OF_LIFE_1             "Min neighbours to survive"
11344 #define TEXT_GAME_OF_LIFE_2             "Max neighbours to survive"
11345 #define TEXT_GAME_OF_LIFE_3             "Min neighbours to create"
11346 #define TEXT_GAME_OF_LIFE_4             "Max neighbours to create"
11347 #define TEXT_TIME_BONUS                 "Extra time to solve level"
11348 #define TEXT_TIME_PENALTY               "Time penalty if destroyed"
11349 #define TEXT_PERMEABILITY_RATE          "slime permeability rate"
11350 #define TEXT_PERMEABILITY_BITS          "slime permeability bits"
11351 #define TEXT_RANDOM_SEED                "slime random number seed"
11352 #define TEXT_ACID_SPREAD_RATE           "Spread rate (percent)"
11353 #define TEXT_BITER_MOVE_DELAY           "Move delay (BD frames)"
11354 #define TEXT_REPLICATION_DELAY          "Create delay (BD frames)"
11355 #define TEXT_HAMMER_BREAK_DELAY         "Delay for breaking walls"
11356 #define TEXT_HAMMER_REAPPEAR_DELAY      "Delay for reappearing walls"
11357 #define TEXT_SKELETONS_NEEDED           "Skeletons needed to use pot"
11358 #define TEXT_SKELETONS_WORTH            "Counts as this many diamonds"
11359
11360 static struct
11361 {
11362   int element;
11363   int *value;
11364   char *text;
11365   int min_value;
11366   int max_value;
11367 } elements_with_counter[] =
11368 {
11369   { EL_EMERALD,                 &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11370   { EL_BD_DIAMOND,              &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11371   { EL_BD_DIAMOND,              &level.score[SC_DIAMOND_EXTRA],         TEXT_COLLECTING_EXTRA   },
11372   { EL_EMERALD_YELLOW,          &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11373   { EL_EMERALD_RED,             &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11374   { EL_EMERALD_PURPLE,          &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11375   { EL_SP_INFOTRON,             &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11376   { EL_DIAMOND,                 &level.score[SC_DIAMOND],               TEXT_COLLECTING         },
11377   { EL_CRYSTAL,                 &level.score[SC_CRYSTAL],               TEXT_COLLECTING         },
11378   { EL_PEARL,                   &level.score[SC_PEARL],                 TEXT_COLLECTING         },
11379   { EL_BUG,                     &level.score[SC_BUG],                   TEXT_SMASHING           },
11380   { EL_BUG_RIGHT,               &level.score[SC_BUG],                   TEXT_SMASHING           },
11381   { EL_BUG_UP,                  &level.score[SC_BUG],                   TEXT_SMASHING           },
11382   { EL_BUG_LEFT,                &level.score[SC_BUG],                   TEXT_SMASHING           },
11383   { EL_BUG_DOWN,                &level.score[SC_BUG],                   TEXT_SMASHING           },
11384   { EL_BD_BUTTERFLY,            &level.score[SC_BUG],                   TEXT_SMASHING           },
11385   { EL_BD_BUTTERFLY_RIGHT,      &level.score[SC_BUG],                   TEXT_SMASHING           },
11386   { EL_BD_BUTTERFLY_UP,         &level.score[SC_BUG],                   TEXT_SMASHING           },
11387   { EL_BD_BUTTERFLY_LEFT,       &level.score[SC_BUG],                   TEXT_SMASHING           },
11388   { EL_BD_BUTTERFLY_DOWN,       &level.score[SC_BUG],                   TEXT_SMASHING           },
11389   { EL_SP_ELECTRON,             &level.score[SC_BUG],                   TEXT_SMASHING           },
11390   { EL_SPACESHIP,               &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11391   { EL_SPACESHIP_RIGHT,         &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11392   { EL_SPACESHIP_UP,            &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11393   { EL_SPACESHIP_LEFT,          &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11394   { EL_SPACESHIP_DOWN,          &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11395   { EL_BD_FIREFLY,              &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11396   { EL_BD_FIREFLY_RIGHT,        &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11397   { EL_BD_FIREFLY_UP,           &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11398   { EL_BD_FIREFLY_LEFT,         &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11399   { EL_BD_FIREFLY_DOWN,         &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11400   { EL_SP_SNIKSNAK,             &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11401   { EL_YAMYAM,                  &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11402   { EL_YAMYAM_LEFT,             &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11403   { EL_YAMYAM_RIGHT,            &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11404   { EL_YAMYAM_UP,               &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11405   { EL_YAMYAM_DOWN,             &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11406   { EL_DARK_YAMYAM,             &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11407   { EL_ROBOT,                   &level.score[SC_ROBOT],                 TEXT_SMASHING           },
11408   { EL_PACMAN,                  &level.score[SC_PACMAN],                TEXT_SMASHING           },
11409   { EL_PACMAN_RIGHT,            &level.score[SC_PACMAN],                TEXT_SMASHING           },
11410   { EL_PACMAN_UP,               &level.score[SC_PACMAN],                TEXT_SMASHING           },
11411   { EL_PACMAN_LEFT,             &level.score[SC_PACMAN],                TEXT_SMASHING           },
11412   { EL_PACMAN_DOWN,             &level.score[SC_PACMAN],                TEXT_SMASHING           },
11413   { EL_NUT,                     &level.score[SC_NUT],                   TEXT_CRACKING           },
11414   { EL_DYNAMITE,                &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11415   { EL_EM_DYNAMITE,             &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11416   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11417   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11418   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11419   { EL_SHIELD_NORMAL,           &level.score[SC_SHIELD],                TEXT_COLLECTING         },
11420   { EL_SHIELD_DEADLY,           &level.score[SC_SHIELD],                TEXT_COLLECTING         },
11421   { EL_EXTRA_TIME,              &level.extra_time_score,                TEXT_COLLECTING         },
11422   { EL_KEY_1,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
11423   { EL_KEY_2,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
11424   { EL_KEY_3,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
11425   { EL_KEY_4,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
11426   { EL_EM_KEY_1,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
11427   { EL_EM_KEY_2,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
11428   { EL_EM_KEY_3,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
11429   { EL_EM_KEY_4,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
11430   { EL_EMC_KEY_5,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
11431   { EL_EMC_KEY_6,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
11432   { EL_EMC_KEY_7,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
11433   { EL_EMC_KEY_8,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
11434   { EL_DC_KEY_WHITE,            &level.score[SC_KEY],                   TEXT_COLLECTING         },
11435   { EL_MM_KETTLE,               &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11436   { EL_DF_CELL,                 &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11437   { EL_MM_KEY,                  &level.score[SC_KEY],                   TEXT_COLLECTING         },
11438   { EL_MM_LIGHTBALL,            &level.score[SC_ELEM_BONUS],            TEXT_COLLECTING         },
11439   { EL_MM_PACMAN,               &level.score[SC_PACMAN],                TEXT_SMASHING           },
11440   { EL_MM_PACMAN_RIGHT,         &level.score[SC_PACMAN],                TEXT_SMASHING           },
11441   { EL_MM_PACMAN_UP,            &level.score[SC_PACMAN],                TEXT_SMASHING           },
11442   { EL_MM_PACMAN_LEFT,          &level.score[SC_PACMAN],                TEXT_SMASHING           },
11443   { EL_MM_PACMAN_DOWN,          &level.score[SC_PACMAN],                TEXT_SMASHING           },
11444   { EL_AMOEBA_WET,              &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11445   { EL_AMOEBA_DRY,              &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11446   { EL_AMOEBA_FULL,             &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11447   { EL_BD_AMOEBA,               &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11448   { EL_EMC_DRIPPER,             &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11449   { EL_BD_AMOEBA,               &level.bd_amoeba_threshold_too_big,     TEXT_AMOEBA_THRESHOED   },
11450   { EL_BD_AMOEBA,               &level.bd_amoeba_slow_growth_time,      TEXT_AMOEBA_SLOW_TIME   },
11451   { EL_BD_AMOEBA,               &level.bd_amoeba_slow_growth_rate,      TEXT_AMOEBA_SLOW_RATE,
11452                                 0, 100                                                          },
11453   { EL_BD_AMOEBA,               &level.bd_amoeba_fast_growth_rate,      TEXT_AMOEBA_FAST_RATE,
11454                                 0, 100                                                          },
11455   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_threshold_too_big,   TEXT_AMOEBA_THRESHOED   },
11456   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_slow_growth_time,    TEXT_AMOEBA_SLOW_TIME   },
11457   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_slow_growth_rate,    TEXT_AMOEBA_SLOW_RATE,
11458                                 0, 100                                                          },
11459   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_fast_growth_rate,    TEXT_AMOEBA_FAST_RATE,
11460                                 0, 100                                                          },
11461   { EL_MAGIC_WALL,              &level.time_magic_wall,                 TEXT_DURATION           },
11462   { EL_BD_MAGIC_WALL,           &level.time_magic_wall,                 TEXT_DURATION           },
11463   { EL_DC_MAGIC_WALL,           &level.time_magic_wall,                 TEXT_DURATION           },
11464   { EL_ROBOT_WHEEL,             &level.time_wheel,                      TEXT_DURATION           },
11465   { EL_TIMEGATE_SWITCH,         &level.time_timegate,                   TEXT_DURATION           },
11466   { EL_DC_TIMEGATE_SWITCH,      &level.time_timegate,                   TEXT_DURATION           },
11467   { EL_LIGHT_SWITCH,            &level.time_light,                      TEXT_DURATION           },
11468   { EL_LIGHT_SWITCH_ACTIVE,     &level.time_light,                      TEXT_DURATION           },
11469   { EL_SHIELD_NORMAL,           &level.shield_normal_time,              TEXT_DURATION           },
11470   { EL_SHIELD_DEADLY,           &level.shield_deadly_time,              TEXT_DURATION           },
11471   { EL_BD_CLOCK,                &level.bd_clock_extra_time,             TEXT_TIME_BONUS,
11472                                 -100, 100                                                       },
11473   { EL_BD_VOODOO_DOLL,          &level.bd_voodoo_penalty_time,          TEXT_TIME_PENALTY,
11474                                 0, 100                                                          },
11475   { EL_BD_SLIME,                &level.bd_slime_permeability_rate,      TEXT_PERMEABILITY_RATE,
11476                                 0, 100                                                          },
11477   { EL_BD_SLIME,                &level.bd_slime_permeability_bits_c64,  TEXT_PERMEABILITY_BITS,
11478                                 0, 255                                                          },
11479   { EL_BD_SLIME,                &level.bd_slime_random_seed_c64,        TEXT_RANDOM_SEED,
11480                                 -1, 65535                                                       },
11481   { EL_BD_ACID,                 &level.bd_acid_spread_rate,             TEXT_ACID_SPREAD_RATE,
11482                                 0, 100                                                          },
11483   { EL_BD_BITER,                &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11484                                 0, 3                                                            },
11485   { EL_BD_BITER_RIGHT,          &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11486                                 0, 3                                                            },
11487   { EL_BD_BITER_UP,             &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11488                                 0, 3                                                            },
11489   { EL_BD_BITER_LEFT,           &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11490                                 0, 3                                                            },
11491   { EL_BD_BITER_DOWN,           &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11492                                 0, 3                                                            },
11493   { EL_BD_REPLICATOR,           &level.bd_replicator_create_delay,      TEXT_REPLICATION_DELAY,
11494                                 0, 100                                                          },
11495   { EL_BD_PNEUMATIC_HAMMER,     &level.bd_hammer_walls_break_delay,     TEXT_HAMMER_BREAK_DELAY,
11496                                 1, 100                                                          },
11497   { EL_BD_PNEUMATIC_HAMMER,     &level.bd_hammer_walls_reappear_delay,  TEXT_HAMMER_REAPPEAR_DELAY,
11498                                 1, 200                                                          },
11499   { EL_BD_POT,                  &level.bd_num_skeletons_needed_for_pot, TEXT_SKELETONS_NEEDED,
11500                                 0, 50                                                           },
11501   { EL_BD_SKELETON,             &level.bd_num_skeletons_needed_for_pot, TEXT_SKELETONS_NEEDED,
11502                                 0, 50                                                           },
11503   { EL_BD_SKELETON,             &level.bd_skeleton_worth_num_diamonds,  TEXT_SKELETONS_WORTH,
11504                                 0, 10                                                           },
11505   { EL_EXTRA_TIME,              &level.extra_time,                      TEXT_TIME_BONUS         },
11506   { EL_TIME_ORB_FULL,           &level.time_orb_time,                   TEXT_TIME_BONUS         },
11507   { EL_GAME_OF_LIFE,            &level.game_of_life[0],                 TEXT_GAME_OF_LIFE_1,0,8 },
11508   { EL_GAME_OF_LIFE,            &level.game_of_life[1],                 TEXT_GAME_OF_LIFE_2,0,8 },
11509   { EL_GAME_OF_LIFE,            &level.game_of_life[2],                 TEXT_GAME_OF_LIFE_3,0,8 },
11510   { EL_GAME_OF_LIFE,            &level.game_of_life[3],                 TEXT_GAME_OF_LIFE_4,0,8 },
11511   { EL_BIOMAZE,                 &level.biomaze[0],                      TEXT_GAME_OF_LIFE_1,0,8 },
11512   { EL_BIOMAZE,                 &level.biomaze[1],                      TEXT_GAME_OF_LIFE_2,0,8 },
11513   { EL_BIOMAZE,                 &level.biomaze[2],                      TEXT_GAME_OF_LIFE_3,0,8 },
11514   { EL_BIOMAZE,                 &level.biomaze[3],                      TEXT_GAME_OF_LIFE_4,0,8 },
11515   { EL_EMC_ANDROID,             &level.android_move_time,               TEXT_MOVE_SPEED         },
11516   { EL_EMC_ANDROID,             &level.android_clone_time,              TEXT_CLONE_SPEED        },
11517   { EL_EMC_MAGIC_BALL,          &level.ball_time,                       TEXT_BALL_DELAY         },
11518   { EL_EMC_LENSES,              &level.lenses_score,                    TEXT_COLLECTING         },
11519   { EL_EMC_MAGNIFIER,           &level.magnify_score,                   TEXT_COLLECTING         },
11520   { EL_SPRING,                  &level.slurp_score,                     TEXT_SLURPING           },
11521   { EL_SPRING_LEFT,             &level.slurp_score,                     TEXT_SLURPING           },
11522   { EL_SPRING_RIGHT,            &level.slurp_score,                     TEXT_SLURPING           },
11523   { EL_EMC_LENSES,              &level.lenses_time,                     TEXT_DURATION           },
11524   { EL_EMC_MAGNIFIER,           &level.magnify_time,                    TEXT_DURATION           },
11525   { EL_MM_FUSE_ACTIVE,          &level.mm_time_fuse,                    TEXT_DELAY_OFF          },
11526   { EL_MM_BOMB,                 &level.mm_time_bomb,                    TEXT_DELAY_EXPLODING    },
11527   { EL_MM_GRAY_BALL,            &level.mm_time_ball,                    TEXT_DELAY_CHANGING     },
11528   { EL_MM_STEEL_BLOCK,          &level.mm_time_block,                   TEXT_DELAY_MOVING       },
11529   { EL_MM_WOODEN_BLOCK,         &level.mm_time_block,                   TEXT_DELAY_MOVING       },
11530
11531   { -1,                         NULL,                                   NULL                    }
11532 };
11533
11534 static boolean checkPropertiesConfig(int element)
11535 {
11536   int i;
11537
11538   // special case: empty space customization only available in R'n'D game engine
11539   if (element == EL_EMPTY_SPACE && level.game_engine_type != GAME_ENGINE_TYPE_RND)
11540     return FALSE;
11541
11542   // special case: BD style rock customization only available in BD game engine
11543   if (element == EL_BD_ROCK && level.game_engine_type != GAME_ENGINE_TYPE_BD)
11544     return FALSE;
11545
11546   if (IS_GEM(element) ||
11547       IS_CUSTOM_ELEMENT(element) ||
11548       IS_GROUP_ELEMENT(element) ||
11549       IS_EMPTY_ELEMENT(element) ||
11550       IS_BALLOON_ELEMENT(element) ||
11551       IS_ENVELOPE(element) ||
11552       IS_MM_ENVELOPE(element) ||
11553       IS_MM_MCDUFFIN(element) ||
11554       IS_DF_LASER(element) ||
11555       IS_PLAYER_ELEMENT(element) ||
11556       IS_BD_PLAYER_ELEMENT(element) ||
11557       IS_BD_EXPANDABLE_WALL(properties_element) ||
11558       IS_BD_EXPANDABLE_STEELWALL(properties_element) ||
11559       IS_BD_CONVEYOR_BELT(properties_element) ||
11560       IS_BD_CONVEYOR_BELT_SWITCH(properties_element) ||
11561       IS_SOKOBAN_OBJECT_OR_FIELD(element) ||
11562       HAS_EDITOR_CONTENT(element) ||
11563       CAN_GROW(element) ||
11564       COULD_MOVE_INTO_ACID(element) ||
11565       MAYBE_DONT_COLLIDE_WITH(element) ||
11566       element == EL_BD_SAND ||
11567       element == EL_BD_ROCK ||
11568       element == EL_BD_MEGA_ROCK ||
11569       element == EL_BD_SWEET ||
11570       element == EL_BD_VOODOO_DOLL ||
11571       element == EL_BD_WATER)
11572   {
11573     return TRUE;
11574   }
11575   else
11576   {
11577     for (i = 0; elements_with_counter[i].element != -1; i++)
11578       if (elements_with_counter[i].element == element)
11579         return TRUE;
11580   }
11581
11582   return FALSE;
11583 }
11584
11585 static void SetAutomaticNumberOfGemsNeeded(void)
11586 {
11587   int x, y;
11588
11589   if (!level.auto_count_gems)
11590     return;
11591
11592   level.gems_needed = 0;
11593
11594   for (x = 0; x < lev_fieldx; x++)
11595   {
11596     for (y = 0; y < lev_fieldy; y++)
11597     {
11598       int element = Tile[x][y];
11599
11600       switch (element)
11601       {
11602         case EL_EMERALD:
11603         case EL_EMERALD_YELLOW:
11604         case EL_EMERALD_RED:
11605         case EL_EMERALD_PURPLE:
11606         case EL_BD_DIAMOND:
11607         case EL_WALL_EMERALD:
11608         case EL_WALL_EMERALD_YELLOW:
11609         case EL_WALL_EMERALD_RED:
11610         case EL_WALL_EMERALD_PURPLE:
11611         case EL_WALL_BD_DIAMOND:
11612         case EL_NUT:
11613         case EL_SP_INFOTRON:
11614         case EL_MM_KETTLE:
11615         case EL_DF_CELL:
11616           level.gems_needed++;
11617           break;
11618
11619         case EL_DIAMOND:
11620         case EL_WALL_DIAMOND:
11621           level.gems_needed += 3;
11622           break;
11623
11624         case EL_PEARL:
11625         case EL_WALL_PEARL:
11626           level.gems_needed += 5;
11627           break;
11628
11629         case EL_CRYSTAL:
11630         case EL_WALL_CRYSTAL:
11631           level.gems_needed += 8;
11632           break;
11633
11634         default:
11635           break;
11636       }
11637     }
11638   }
11639
11640   ModifyEditorCounterValue(ED_COUNTER_ID_LEVEL_GEMSLIMIT, level.gems_needed);
11641 }
11642
11643 static void DrawPropertiesConfig(void)
11644 {
11645   boolean draw_footer_line = FALSE;
11646   int max_num_element_counters = 4;
11647   int num_element_counters = 0;
11648   int i;
11649
11650   if (!checkPropertiesConfig(properties_element))
11651   {
11652     int xpos = ED_ELEMENT_SETTINGS_X(0);
11653     int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
11654
11655     PrintInfoText("No configuration options available.", FONT_TEXT_1, xpos, ypos);
11656
11657     return;
11658   }
11659
11660   // check if there are elements where a value can be chosen for
11661   for (i = 0; elements_with_counter[i].element != -1; i++)
11662   {
11663     if (elements_with_counter[i].element != properties_element)
11664       continue;
11665
11666     // special case: score for extra diamonds only available in BD game engine
11667     if (elements_with_counter[i].element == EL_BD_DIAMOND &&
11668         elements_with_counter[i].value == &level.score[SC_DIAMOND_EXTRA] &&
11669         level.game_engine_type != GAME_ENGINE_TYPE_BD)
11670       continue;
11671
11672     // special case: some amoeba counters only available in BD game engine
11673     if (elements_with_counter[i].element == EL_BD_AMOEBA &&
11674         elements_with_counter[i].value != &level.amoeba_speed &&
11675         level.game_engine_type != GAME_ENGINE_TYPE_BD)
11676       continue;
11677
11678     // special case: some amoeba counters only available in R'n'D game engine
11679     if (elements_with_counter[i].element == EL_BD_AMOEBA &&
11680         elements_with_counter[i].value == &level.amoeba_speed &&
11681         level.game_engine_type == GAME_ENGINE_TYPE_BD)
11682       continue;
11683
11684     int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
11685
11686     counterbutton_info[counter_id].y =
11687       ED_ELEMENT_SETTINGS_YPOS((HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
11688                                (CAN_GROW(properties_element)                ? 1 : 0) +
11689                                (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
11690                                (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
11691                                (properties_element == EL_BD_VOODOO_DOLL     ? 4 : 0) +
11692                                (properties_element == EL_BD_SLIME           ? 1 : 0) +
11693                                (properties_element == EL_BD_ACID            ? 1 : 0) +
11694                                (properties_element == EL_BD_REPLICATOR      ? 1 : 0) +
11695                                (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
11696                                num_element_counters);
11697
11698     // special case: set magic wall counter for BD game engine separately
11699     if (properties_element == EL_BD_MAGIC_WALL && level.game_engine_type == GAME_ENGINE_TYPE_BD)
11700       counterbutton_info[counter_id].y = ED_ELEMENT_SETTINGS_YPOS(1);
11701
11702     // special case: set amoeba counters for BD game engine separately
11703     if ((properties_element == EL_BD_AMOEBA && level.game_engine_type == GAME_ENGINE_TYPE_BD) ||
11704         (properties_element == EL_BD_AMOEBA_2))
11705       counterbutton_info[counter_id].y = ED_ELEMENT_SETTINGS_YPOS(3 + num_element_counters);
11706
11707     // special case: set position for delay counter for reappearing hammered walls
11708     if (properties_element == EL_BD_PNEUMATIC_HAMMER && num_element_counters > 0)
11709       counterbutton_info[counter_id].y += 1;
11710
11711     counterbutton_info[counter_id].value      = elements_with_counter[i].value;
11712     counterbutton_info[counter_id].text_right = elements_with_counter[i].text;
11713     counterbutton_info[counter_id].min_value  = elements_with_counter[i].min_value;
11714     counterbutton_info[counter_id].max_value  = elements_with_counter[i].max_value;
11715
11716     // default: counter values between 0 and 999
11717     if (counterbutton_info[counter_id].max_value == 0)
11718       counterbutton_info[counter_id].max_value = 999;
11719
11720     MapCounterButtons(counter_id);
11721
11722     num_element_counters++;
11723     if (num_element_counters >= max_num_element_counters)
11724       break;
11725   }
11726
11727   if (properties_element == EL_BD_MAGIC_WALL && level.game_engine_type == GAME_ENGINE_TYPE_BD)
11728   {
11729     // draw stickybutton gadget
11730     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11731
11732     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_MAGIC_WALL_WAIT_HATCHING);
11733     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_MAGIC_WALL_STOPS_AMOEBA);
11734
11735     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_DIAMOND_TO);
11736     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_ROCK_TO);
11737     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_MEGA_ROCK_TO);
11738     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_NUT_TO);
11739     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_NITRO_PACK_TO);
11740     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_DIAMOND_TO);
11741     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_ROCK_TO);
11742   }
11743
11744   if (HAS_EDITOR_CONTENT(properties_element))
11745   {
11746     // draw stickybutton gadget
11747     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11748
11749     if (properties_element == EL_BD_AMOEBA && level.game_engine_type == GAME_ENGINE_TYPE_BD)
11750     {
11751       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING);
11752       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY);
11753
11754       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_CONTENT_TOO_BIG);
11755       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_CONTENT_ENCLOSED);
11756     }
11757     else if (properties_element == EL_BD_AMOEBA_2)
11758     {
11759       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING);
11760       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY);
11761       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA);
11762
11763       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_TOO_BIG);
11764       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_ENCLOSED);
11765       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_EXPLODING);
11766       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE);
11767     }
11768     else if (IS_AMOEBOID(properties_element))
11769       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
11770     else if (properties_element == EL_BD_ACID)
11771     {
11772       MapDrawingArea(ED_DRAWING_ID_BD_ACID_EATS_ELEMENT);
11773       MapDrawingArea(ED_DRAWING_ID_BD_ACID_TURNS_TO_ELEMENT);
11774     }
11775     else if (IS_BD_BITER(properties_element))
11776     {
11777       MapDrawingArea(ED_DRAWING_ID_BD_BITER_EATS_ELEMENT);
11778     }
11779     else if (properties_element == EL_BD_BLADDER)
11780     {
11781       MapDrawingArea(ED_DRAWING_ID_BD_BLADDER_CONVERTS_BY_ELEMENT);
11782     }
11783     else if (properties_element == EL_YAMYAM ||
11784              properties_element == EL_YAMYAM_LEFT ||
11785              properties_element == EL_YAMYAM_RIGHT ||
11786              properties_element == EL_YAMYAM_UP ||
11787              properties_element == EL_YAMYAM_DOWN)
11788       DrawYamYamContentAreas();
11789     else if (properties_element == EL_EMC_MAGIC_BALL)
11790     {
11791       DrawMagicBallContentAreas();
11792
11793       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
11794       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE);
11795     }
11796     else if (properties_element == EL_EMC_ANDROID)
11797       DrawAndroidElementArea();
11798     else if (properties_element == EL_MM_GRAY_BALL)
11799     {
11800       MapCounterButtons(ED_COUNTER_ID_MM_BALL_CONTENT);
11801       MapSelectboxGadget(ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE);
11802       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT);
11803       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EXPLODE_MM_BALL);
11804
11805       DrawMMBallContentArea();
11806     }
11807   }
11808
11809   if (IS_PLAYER_ELEMENT(properties_element))
11810   {
11811     int player_nr = GET_PLAYER_NR(properties_element);
11812
11813     // these properties can be set for every player individually
11814
11815     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
11816     {
11817       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
11818         &level.start_element[player_nr];
11819       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
11820         &level.artwork_element[player_nr];
11821       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
11822         &level.explosion_element[player_nr];
11823
11824       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
11825         &level.use_start_element[player_nr];
11826       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
11827         &level.use_artwork_element[player_nr];
11828       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
11829         &level.use_explosion_element[player_nr];
11830       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
11831         &level.initial_player_gravity[player_nr];
11832
11833       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
11834         &level.initial_player_stepsize[player_nr];
11835
11836       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
11837       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
11838                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
11839                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
11840       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
11841       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
11842       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
11843       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
11844       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_LAZY_RELOCATION);
11845       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
11846       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
11847       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
11848       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
11849       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
11850       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER);
11851
11852       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
11853       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
11854       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
11855
11856       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
11857     }
11858     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
11859     {
11860       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
11861         &level.initial_inventory_content[player_nr][0];
11862
11863       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
11864         &level.initial_inventory_size[player_nr];
11865
11866       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
11867         &level.use_initial_inventory[player_nr];
11868
11869       // draw checkbutton gadgets
11870       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
11871       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT);
11872       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE);
11873
11874       // draw counter gadgets
11875       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
11876
11877       // draw drawing area gadgets
11878       DrawPlayerInitialInventoryArea(properties_element);
11879     }
11880   }
11881
11882   if (IS_BD_PLAYER_ELEMENT(properties_element))
11883   {
11884     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB].y =
11885       ED_ELEMENT_SETTINGS_YPOS(2);
11886     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET].y =
11887       ED_ELEMENT_SETTINGS_YPOS(3);
11888     checkbutton_info[ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET].y =
11889       ED_ELEMENT_SETTINGS_YPOS(4);
11890
11891     // draw checkbutton gadgets
11892     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS);
11893     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_TOPMOST_PLAYER_ACTIVE);
11894     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET);
11895
11896     // draw counter gadgets
11897     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB);
11898     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET);
11899
11900     // draw drawing area gadgets
11901     MapDrawingArea(ED_DRAWING_ID_BD_SNAP_ELEMENT);
11902   }
11903
11904   if (properties_element == EL_BD_SAND)
11905   {
11906     MapDrawingArea(ED_DRAWING_ID_BD_SAND_LOOKS_LIKE);
11907   }
11908
11909   if (properties_element == EL_BD_ROCK && level.game_engine_type == GAME_ENGINE_TYPE_BD)
11910   {
11911     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB].y =
11912       ED_ELEMENT_SETTINGS_YPOS(0);
11913     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET].y =
11914       ED_ELEMENT_SETTINGS_YPOS(1);
11915
11916     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB);
11917     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET);
11918   }
11919
11920   if (properties_element == EL_BD_MEGA_ROCK ||
11921       properties_element == EL_BD_SWEET)
11922   {
11923     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET].y =
11924       ED_ELEMENT_SETTINGS_YPOS(0);
11925     checkbutton_info[ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET].y =
11926       ED_ELEMENT_SETTINGS_YPOS(1);
11927
11928     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET);
11929     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET);
11930   }
11931
11932   if (properties_element == EL_BD_VOODOO_DOLL)
11933   {
11934     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_COLLECTS_DIAMONDS);
11935     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_HURT_KILLS_PLAYER);
11936     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_DIES_BY_ROCK);
11937     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_VANISH_BY_EXPLOSION);
11938   }
11939
11940   if (properties_element == EL_BD_SLIME)
11941   {
11942     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_SLIME_IS_PREDICTABLE);
11943
11944     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_1);
11945     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_1);
11946     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_2);
11947     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_2);
11948     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_3);
11949     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_3);
11950   }
11951
11952   if (IS_BD_EXPANDABLE_WALL(properties_element) ||
11953       IS_BD_EXPANDABLE_STEELWALL(properties_element))
11954   {
11955     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CHANGE_EXPANDING_WALL);
11956
11957     if (IS_BD_EXPANDABLE_WALL(properties_element))
11958       MapDrawingArea(ED_DRAWING_ID_BD_EXPANDING_WALL_LOOKS_LIKE);
11959   }
11960
11961   if (properties_element == EL_BD_REPLICATOR)
11962   {
11963     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_REPLICATORS_ACTIVE);
11964   }
11965
11966   if (IS_BD_CONVEYOR_BELT(properties_element) ||
11967       IS_BD_CONVEYOR_BELT_SWITCH(properties_element))
11968   {
11969     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_ACTIVE);
11970     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_CHANGED);
11971   }
11972
11973   if (properties_element == EL_BD_WATER)
11974   {
11975     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_WATER_CANNOT_FLOW_DOWN);
11976   }
11977
11978   if (properties_element == EL_BD_PNEUMATIC_HAMMER)
11979   {
11980     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_HAMMER_WALLS_REAPPEAR);
11981   }
11982
11983   if (properties_element == EL_BD_NUT)
11984   {
11985     MapDrawingArea(ED_DRAWING_ID_BD_NUT_CONTENT);
11986   }
11987
11988   // special case: slippery walls option for gems only available in R'n'D game engine
11989   if (IS_GEM(properties_element) && level.game_engine_type == GAME_ENGINE_TYPE_RND)
11990     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
11991
11992   if (properties_element == EL_EM_DYNAMITE)
11993     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
11994
11995   if (COULD_MOVE_INTO_ACID(properties_element) &&
11996       !IS_PLAYER_ELEMENT(properties_element) &&
11997       (!IS_CUSTOM_ELEMENT(properties_element) ||
11998        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
11999   {
12000     // set position for checkbutton for "can move into acid"
12001     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
12002       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
12003     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
12004       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 7 :
12005                                IS_BALLOON_ELEMENT(properties_element) ||
12006                                HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
12007
12008     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
12009   }
12010
12011   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
12012     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
12013
12014   if (properties_element == EL_SPRING ||
12015       properties_element == EL_SPRING_LEFT ||
12016       properties_element == EL_SPRING_RIGHT)
12017     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
12018
12019   if (properties_element == EL_TIME_ORB_FULL)
12020     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
12021
12022   if (properties_element == EL_GAME_OF_LIFE ||
12023       properties_element == EL_BIOMAZE)
12024     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_LIFE_BUGS);
12025
12026   if (CAN_GROW(properties_element) && level.game_engine_type != GAME_ENGINE_TYPE_BD)
12027   {
12028     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
12029       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
12030
12031     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
12032   }
12033
12034   if (properties_element == EL_SOKOBAN_FIELD_EMPTY)
12035     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED);
12036
12037   if (properties_element == EL_SOKOBAN_OBJECT)
12038     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED);
12039
12040   if (properties_element == EL_SOKOBAN_OBJECT ||
12041       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
12042       properties_element == EL_SOKOBAN_FIELD_FULL)
12043   {
12044     checkbutton_info[ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN].y =
12045       ED_ELEMENT_SETTINGS_XPOS(properties_element == EL_SOKOBAN_FIELD_FULL ?
12046                                0 : 1);
12047
12048     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
12049   }
12050
12051   if (IS_BALLOON_ELEMENT(properties_element))
12052     MapSelectboxGadget(ED_SELECTBOX_ID_WIND_DIRECTION);
12053
12054   if (IS_ENVELOPE(properties_element) ||
12055       IS_MM_ENVELOPE(properties_element))
12056   {
12057     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
12058     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
12059     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
12060     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
12061     int envelope_nr = ENVELOPE_NR(properties_element);
12062
12063     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
12064     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
12065
12066     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
12067     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
12068
12069     // display counter to choose size of envelope text area
12070     MapCounterButtons(counter1_id);
12071     MapCounterButtons(counter2_id);
12072
12073     // display checkbuttons to choose auto-wrap and alignment properties
12074     MapCheckbuttonGadget(button1_id);
12075     MapCheckbuttonGadget(button2_id);
12076
12077     DrawEnvelopeTextArea(envelope_nr);
12078   }
12079
12080   if (IS_MM_MCDUFFIN(properties_element))
12081   {
12082     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_RED);
12083     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_GREEN);
12084     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_BLUE);
12085   }
12086
12087   if (IS_DF_LASER(properties_element))
12088   {
12089     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_RED);
12090     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_GREEN);
12091     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_BLUE);
12092   }
12093
12094   if (IS_CUSTOM_ELEMENT(properties_element))
12095   {
12096     // draw stickybutton gadget
12097     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12098
12099     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
12100     {
12101       // draw checkbutton gadgets
12102       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
12103            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
12104         MapCheckbuttonGadget(i);
12105
12106       // draw counter gadgets
12107       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
12108            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
12109         MapCounterButtons(i);
12110
12111       // draw selectbox gadgets
12112       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
12113            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
12114         MapSelectboxGadget(i);
12115
12116       // draw textbutton gadgets
12117       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
12118
12119       // draw text input gadgets
12120       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
12121
12122       // draw drawing area gadgets
12123       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
12124
12125       draw_footer_line = TRUE;
12126     }
12127     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
12128     {
12129       // draw checkbutton gadgets
12130       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
12131            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
12132         MapCheckbuttonGadget(i);
12133
12134       // draw counter gadgets
12135       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
12136            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
12137         MapCounterButtons(i);
12138
12139       // draw selectbox gadgets
12140       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
12141            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
12142         MapSelectboxGadget(i);
12143
12144       // draw drawing area gadgets
12145       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
12146       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
12147       DrawCustomContentArea();
12148     }
12149   }
12150   else if (IS_GROUP_ELEMENT(properties_element))
12151   {
12152     // draw stickybutton gadget
12153     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12154
12155     // draw checkbutton gadgets
12156     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
12157     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
12158
12159     // draw counter gadgets
12160     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
12161
12162     // draw selectbox gadgets
12163     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
12164
12165     // draw textbutton gadgets
12166     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
12167
12168     // draw drawing area gadgets
12169     DrawGroupElementArea();
12170
12171     // draw text input gadgets
12172     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
12173
12174     // draw drawing area gadgets
12175     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
12176
12177     draw_footer_line = TRUE;
12178   }
12179   else if (IS_EMPTY_ELEMENT(properties_element))
12180   {
12181     // draw stickybutton gadget
12182     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12183
12184     // draw checkbutton gadgets
12185     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
12186     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
12187
12188     // draw textbutton gadgets
12189     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
12190
12191     // draw drawing area gadgets
12192     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
12193
12194     draw_footer_line = TRUE;
12195   }
12196
12197   // draw little footer border line above CE/GE use/save template gadgets
12198   if (draw_footer_line)
12199   {
12200     struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
12201     struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
12202     int gd_x = gd->x + gd_gi1->border.width / 2;
12203     int gd_y = gd->y + gd_gi1->height - 1;
12204     Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
12205
12206     if (tab_color != BLACK_PIXEL)               // black => transparent
12207       FillRectangle(drawto,
12208                     SX + ED_ELEMENT_SETTINGS_X(0),
12209                     SY + ED_ELEMENT_SETTINGS_Y(14) - ED_SETTINGS_TABS_YOFFSET -
12210                     ED_TAB_BAR_HEIGHT,
12211                     getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
12212   }
12213 }
12214
12215 static void DrawPropertiesChangeDrawingAreas(void)
12216 {
12217   if (IS_CUSTOM_ELEMENT(properties_element))
12218   {
12219     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
12220     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
12221     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
12222
12223     DrawCustomChangeContentArea();
12224   }
12225
12226   redraw_mask |= REDRAW_FIELD;
12227 }
12228
12229 static void DrawPropertiesChange(void)
12230 {
12231   int i;
12232
12233   // needed to initially set selectbox options for special action options
12234   setSelectboxSpecialActionOptions();
12235
12236   // draw stickybutton gadget
12237   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12238
12239   // draw checkbutton gadgets
12240   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
12241        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
12242     MapCheckbuttonGadget(i);
12243
12244   // draw counter gadgets
12245   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
12246        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
12247     MapCounterButtons(i);
12248
12249   // draw selectbox gadgets
12250   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
12251        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
12252     MapSelectboxGadget(i);
12253
12254   // draw textbutton gadgets
12255   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
12256        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
12257     MapTextbuttonGadget(i);
12258
12259   // draw graphicbutton gadgets
12260   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
12261        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
12262     MapGraphicbuttonGadget(i);
12263
12264   // draw drawing area gadgets
12265   DrawPropertiesChangeDrawingAreas();
12266 }
12267
12268 static void DrawEditorElementAnimation(int x, int y)
12269 {
12270   int graphic;
12271   int frame;
12272
12273   getEditorGraphicAndFrame(properties_element, &graphic, &frame, FALSE);
12274
12275   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
12276 }
12277
12278 static void DrawEditorElementName(int x, int y, int font_nr)
12279 {
12280   char *element_name = getElementInfoText(properties_element);
12281   int font_width = getFontWidth(font_nr);
12282   int font_height = getFontHeight(font_nr);
12283   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_X(0);
12284   int max_chars_per_line = max_text_width / font_width;
12285
12286   if (strlen(element_name) <= max_chars_per_line)
12287     DrawTextS(x, y, font_nr, element_name);
12288   else
12289   {
12290     char buffer[max_chars_per_line + 1];
12291     int next_pos = max_chars_per_line;
12292
12293     strncpy(buffer, element_name, max_chars_per_line);
12294     buffer[max_chars_per_line] = '\0';
12295
12296     if (element_name[max_chars_per_line] == ' ')
12297       next_pos++;
12298     else
12299     {
12300       int i;
12301
12302       for (i = max_chars_per_line - 1; i >= 0; i--)
12303         if (buffer[i] == ' ')
12304           break;
12305
12306       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
12307       {
12308         buffer[i] = '\0';
12309         next_pos = i + 1;
12310       }
12311     }
12312
12313     DrawTextS(x, y - font_height / 2, font_nr, buffer);
12314
12315     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
12316     buffer[max_chars_per_line] = '\0';
12317
12318     DrawTextS(x, y + font_height / 2, font_nr, buffer);
12319   }
12320 }
12321
12322 static void DrawPropertiesWindow(void)
12323 {
12324   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
12325   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
12326   int border_size = gd->border_size;
12327   int font_nr = FONT_TEXT_1;
12328   int font_height = getFontHeight(font_nr);
12329   int xoffset = TILEX + element_border + 3 * border_size;
12330   int yoffset = (TILEY - font_height) / 2;
12331   int x1 = editor.settings.element_graphic.x + element_border;
12332   int y1 = editor.settings.element_graphic.y + element_border;
12333   int x2 = (editor.settings.element_name.x == -1 ? x1 + xoffset :
12334             editor.settings.element_name.x);
12335   int y2 = (editor.settings.element_name.y == -1 ? y1 + yoffset :
12336             editor.settings.element_name.y);
12337   char *text = "Element Settings";
12338   int font2_nr = FONT_TITLE_1;
12339   struct MenuPosInfo *pos = &editor.settings.headline;
12340   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font2_nr), pos->align);
12341   int sy = SY + pos->y;
12342
12343   stick_element_properties_window = FALSE;
12344
12345   // make sure that previous properties edit mode exists for this element
12346   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
12347       !IS_CUSTOM_ELEMENT(properties_element))
12348     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
12349
12350   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
12351       !IS_PLAYER_ELEMENT(properties_element) &&
12352       !IS_CUSTOM_ELEMENT(properties_element))
12353     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
12354
12355   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
12356       (IS_PLAYER_ELEMENT(properties_element) ||
12357        IS_CUSTOM_ELEMENT(properties_element)))
12358     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
12359
12360   CopyElementPropertiesToEditor(properties_element);
12361
12362   UnmapLevelEditorFieldGadgets();
12363   UnmapLevelEditorToolboxDrawingGadgets();
12364   UnmapLevelEditorToolboxCustomGadgets();
12365
12366   MapLevelEditorToolboxCustomGadgetsIfNeeded();
12367
12368   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
12369   ClearField();
12370
12371   DrawText(sx, sy, text, font2_nr);
12372
12373   FrameCounter = 0;     // restart animation frame counter
12374
12375   DrawElementBorder(SX + x1, SY + y1, TILEX, TILEY, FALSE);
12376   DrawEditorElementAnimation(SX + x1, SY + y1);
12377   DrawEditorElementName(x2, y2, font_nr);
12378
12379   DrawPropertiesTabulatorGadgets();
12380
12381   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
12382     DrawPropertiesInfo();
12383   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
12384     DrawPropertiesChange();
12385   else  // (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2])
12386     DrawPropertiesConfig();
12387 }
12388
12389 static void DrawPaletteWindow(void)
12390 {
12391   int i;
12392
12393   UnmapLevelEditorFieldGadgets();
12394
12395   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
12396   ClearField();
12397
12398   // map buttons to select elements
12399   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
12400     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
12401   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
12402   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
12403   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
12404 }
12405
12406 static void UpdateCustomElementGraphicGadgets(void)
12407 {
12408   int i;
12409
12410   InitElementPropertiesGfxElement();
12411
12412   ModifyEditorElementList();
12413   RedrawDrawingElements();
12414
12415   // force redraw of all mapped drawing area gadgets
12416   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
12417   {
12418     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
12419
12420     if (gi->mapped)
12421       MapDrawingArea(i);
12422   }
12423 }
12424
12425 static int getOpenDirectionFromTube(int element)
12426 {
12427   switch (element)
12428   {
12429     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
12430     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
12431     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
12432     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
12433     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
12434     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
12435     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
12436     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
12437     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
12438     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
12439     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
12440   }
12441
12442   return MV_NONE;
12443 }
12444
12445 static int getTubeFromOpenDirection(int direction)
12446 {
12447   switch (direction)
12448   {
12449     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
12450     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
12451     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
12452     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
12453     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
12454     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
12455     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
12456     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
12457     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
12458     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
12459     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
12460
12461     // if only one direction, fall back to simple tube with that direction
12462     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
12463     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
12464     case (MV_UP):                       return EL_TUBE_VERTICAL;
12465     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
12466   }
12467
12468   return EL_EMPTY;
12469 }
12470
12471 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
12472 {
12473   int element_new = getTubeFromOpenDirection(direction);
12474
12475   return (element_new != EL_EMPTY ? element_new : element_old);
12476 }
12477
12478 static int getOpenDirectionFromBelt(int element)
12479 {
12480   int belt_dir = getBeltDirFromBeltElement(element);
12481
12482   return (belt_dir == MV_LEFT ? MV_RIGHT :
12483           belt_dir == MV_RIGHT ? MV_LEFT :
12484           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
12485 }
12486
12487 static int getBeltFromNrAndOpenDirection(int nr, int direction)
12488 {
12489   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
12490                   direction == MV_RIGHT ? MV_LEFT :
12491                   direction == MV_HORIZONTAL ? MV_NONE : direction);
12492
12493   if (direction == MV_NONE)
12494     return EL_EMPTY;
12495
12496   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
12497 }
12498
12499 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
12500                                                  int element_old)
12501 {
12502   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
12503
12504   return (element_new != EL_EMPTY ? element_new : element_old);
12505 }
12506
12507 static int getOpenDirectionFromPool(int element)
12508 {
12509   switch (element)
12510   {
12511     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
12512     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
12513     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
12514     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
12515     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
12516     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
12517   }
12518
12519   return MV_NONE;
12520 }
12521
12522 static int getPoolFromOpenDirection(int direction)
12523 {
12524   switch (direction)
12525   {
12526     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
12527     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
12528     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
12529     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
12530     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
12531     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
12532   }
12533
12534   return EL_EMPTY;
12535 }
12536
12537 static int getPoolFromOpenDirectionExt(int direction, int help_element)
12538 {
12539   int element = getPoolFromOpenDirection(direction);
12540   int help_direction = getOpenDirectionFromPool(help_element);
12541
12542   if (element == EL_EMPTY)
12543   {
12544     int help_direction_vertical = help_direction & MV_VERTICAL;
12545
12546     element = getPoolFromOpenDirection(direction | help_direction_vertical);
12547   }
12548
12549   if (element == EL_EMPTY)
12550   {
12551     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
12552
12553     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
12554   }
12555
12556   return element;
12557 }
12558
12559 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
12560 {
12561   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
12562
12563   return (element_new != EL_EMPTY ? element_new : element_old);
12564 }
12565
12566 static int getOpenDirectionFromPillar(int element)
12567 {
12568   switch (element)
12569   {
12570     case EL_EMC_WALL_1:                 return (MV_DOWN);
12571     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
12572     case EL_EMC_WALL_3:                 return (MV_UP);
12573   }
12574
12575   return MV_NONE;
12576 }
12577
12578 static int getPillarFromOpenDirection(int direction)
12579 {
12580   switch (direction)
12581   {
12582     case (MV_DOWN):                     return EL_EMC_WALL_1;
12583     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
12584     case (MV_UP):                       return EL_EMC_WALL_3;
12585   }
12586
12587   return EL_EMPTY;
12588 }
12589
12590 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
12591 {
12592   int element_new = getPillarFromOpenDirection(direction);
12593
12594   return (element_new != EL_EMPTY ? element_new : element_old);
12595 }
12596
12597 static int getOpenDirectionFromSteel2(int element)
12598 {
12599   switch (element)
12600   {
12601     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
12602     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
12603     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
12604     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
12605     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
12606     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
12607     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
12608     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
12609   }
12610
12611   return MV_NONE;
12612 }
12613
12614 static int getSteel2FromOpenDirection(int direction)
12615 {
12616   switch (direction)
12617   {
12618     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
12619     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
12620     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
12621     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
12622     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
12623     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
12624     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
12625     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
12626   }
12627
12628   return EL_EMPTY;
12629 }
12630
12631 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
12632 {
12633   int element_new = getSteel2FromOpenDirection(direction);
12634
12635   return (element_new != EL_EMPTY ? element_new : element_old);
12636 }
12637
12638 static int getOpenDirectionFromChip(int element)
12639 {
12640   switch (element)
12641   {
12642     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
12643     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
12644     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
12645     case EL_SP_CHIP_TOP:                return (MV_DOWN);
12646     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
12647   }
12648
12649   return MV_NONE;
12650 }
12651
12652 static int getChipFromOpenDirection(int direction)
12653 {
12654   switch (direction)
12655   {
12656     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
12657     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
12658     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
12659     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
12660     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
12661   }
12662
12663   return EL_EMPTY;
12664 }
12665
12666 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
12667 {
12668   int element_new = getChipFromOpenDirection(direction);
12669
12670   return (element_new != EL_EMPTY ? element_new : element_old);
12671 }
12672
12673 static int getClosedTube(int x, int y)
12674 {
12675   struct XY *xy = xy_directions;
12676   int element_old = IntelliDrawBuffer[x][y];
12677   int direction_old = getOpenDirectionFromTube(element_old);
12678   int direction_new = MV_NONE;
12679   int i;
12680
12681   for (i = 0; i < NUM_DIRECTIONS; i++)
12682   {
12683     int xx = x + xy[i].x;
12684     int yy = y + xy[i].y;
12685     int dir = MV_DIR_FROM_BIT(i);
12686     int dir_opposite = MV_DIR_OPPOSITE(dir);
12687
12688     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
12689         (direction_old & dir) &&
12690         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12691       direction_new |= dir;
12692   }
12693
12694   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
12695 }
12696
12697 static int getClosedBelt(int x, int y)
12698 {
12699   struct XY *xy = xy_directions;
12700   int element_old = IntelliDrawBuffer[x][y];
12701   int nr = getBeltNrFromBeltElement(element_old);
12702   int direction_old = getOpenDirectionFromBelt(element_old);
12703   int direction_new = MV_NONE;
12704   int i;
12705
12706   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
12707   {
12708     int xx = x + xy[i].x;
12709     int yy = y + xy[i].y;
12710     int dir = MV_DIR_FROM_BIT(i);
12711     int dir_opposite = MV_DIR_OPPOSITE(dir);
12712
12713     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
12714         (direction_old & dir) &&
12715         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12716       direction_new |= dir;
12717   }
12718
12719   return getBeltFromNrAndOpenDirection(nr, direction_new);
12720 }
12721
12722 static int getClosedPool(int x, int y)
12723 {
12724   struct XY *xy = xy_directions;
12725   int element_old = IntelliDrawBuffer[x][y];
12726   int direction_old = getOpenDirectionFromPool(element_old);
12727   int direction_new = MV_NONE;
12728   int i;
12729
12730   for (i = 0; i < NUM_DIRECTIONS; i++)
12731   {
12732     int xx = x + xy[i].x;
12733     int yy = y + xy[i].y;
12734     int dir = MV_DIR_FROM_BIT(i);
12735     int dir_opposite = MV_DIR_OPPOSITE(dir);
12736
12737     if (IN_LEV_FIELD(xx, yy) &&
12738         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
12739         (direction_old & dir) &&
12740         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12741       direction_new |= dir;
12742   }
12743
12744   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
12745 }
12746
12747 static int getClosedPillar(int x, int y)
12748 {
12749   struct XY *xy = xy_directions;
12750   int element_old = IntelliDrawBuffer[x][y];
12751   int direction_old = getOpenDirectionFromPillar(element_old);
12752   int direction_new = MV_NONE;
12753   int i;
12754
12755   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
12756   {
12757     int xx = x + xy[i].x;
12758     int yy = y + xy[i].y;
12759     int dir = MV_DIR_FROM_BIT(i);
12760     int dir_opposite = MV_DIR_OPPOSITE(dir);
12761
12762     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
12763         (direction_old & dir) &&
12764         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12765       direction_new |= dir;
12766   }
12767
12768   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
12769 }
12770
12771 static int getClosedSteel2(int x, int y)
12772 {
12773   struct XY *xy = xy_directions;
12774   int element_old = IntelliDrawBuffer[x][y];
12775   int direction_old = getOpenDirectionFromSteel2(element_old);
12776   int direction_new = MV_NONE;
12777   int i;
12778
12779   for (i = 0; i < NUM_DIRECTIONS; i++)
12780   {
12781     int xx = x + xy[i].x;
12782     int yy = y + xy[i].y;
12783     int dir = MV_DIR_FROM_BIT(i);
12784     int dir_opposite = MV_DIR_OPPOSITE(dir);
12785
12786     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
12787         (direction_old & dir) &&
12788         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12789       direction_new |= dir;
12790   }
12791
12792   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
12793 }
12794
12795 static int getClosedChip(int x, int y)
12796 {
12797   struct XY *xy = xy_directions;
12798   int element_old = IntelliDrawBuffer[x][y];
12799   int direction_old = getOpenDirectionFromChip(element_old);
12800   int direction_new = MV_NONE;
12801   int i;
12802
12803   for (i = 0; i < NUM_DIRECTIONS; i++)
12804   {
12805     int xx = x + xy[i].x;
12806     int yy = y + xy[i].y;
12807     int dir = MV_DIR_FROM_BIT(i);
12808     int dir_opposite = MV_DIR_OPPOSITE(dir);
12809
12810     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
12811         (direction_old & dir) &&
12812         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12813       direction_new |= dir;
12814   }
12815
12816   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
12817 }
12818
12819 static void SetElementSimpleExt(int x, int y, int dx, int dy, int element,
12820                                 boolean change_level)
12821 {
12822   int sx = x - level_xpos;
12823   int sy = y - level_ypos;
12824   int old_element = Tile[x][y];
12825   int new_element = element;
12826   unsigned int new_bitmask = (getDrawModeHiRes() ? (dx + 1) << (dy * 2) : 0x0f);
12827   boolean draw_masked = FALSE;
12828
12829   if (IS_MM_WALL_EDITOR(element))
12830   {
12831     element = map_mm_wall_element_editor(element) | new_bitmask;
12832
12833     if (IS_MM_WALL(old_element))
12834       element |= MM_WALL_BITS(old_element);
12835
12836     if (!change_level)
12837       draw_masked = TRUE;
12838   }
12839   else if (IS_MM_WALL(old_element) && element == EL_EMPTY)
12840   {
12841     int element_changed = old_element & ~new_bitmask;
12842
12843     if (MM_WALL_BITS(element_changed) != 0)
12844       element = element_changed;
12845   }
12846
12847   IntelliDrawBuffer[x][y] = element;
12848
12849   if (change_level)
12850     Tile[x][y] = element;
12851
12852   if (IN_ED_FIELD(sx, sy))
12853   {
12854     if (IS_MM_WALL(old_element) && new_element == EL_EMPTY)
12855       DrawSizedWallParts_MM(sx, sy, EL_EMPTY, ed_tilesize, FALSE, new_bitmask);
12856     else if (draw_masked)
12857       DrawEditorElementThruMask(sx, sy, element);
12858     else
12859       DrawEditorElement(sx, sy, element);
12860   }
12861 }
12862
12863 static void SetElementSimple(int x, int y, int element, boolean change_level)
12864 {
12865   SetElementSimpleExt(x, y, 0, 0, element, change_level);
12866 }
12867
12868 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
12869                                            int x2, int y2, int *element2,
12870                                            int (*close_function)(int, int),
12871                                            boolean change_level)
12872 {
12873   // set neighbour elements to newly determined connections
12874   SetElementSimple(x1, y1, *element1, change_level);
12875   SetElementSimple(x2, y2, *element2, change_level);
12876
12877   // remove all open connections of neighbour elements
12878   *element1 = close_function(x1, y1);
12879   *element2 = close_function(x2, y2);
12880
12881   // set neighbour elements to new, minimized connections
12882   SetElementSimple(x1, y1, *element1, change_level);
12883   SetElementSimple(x2, y2, *element2, change_level);
12884 }
12885
12886 static void SetElementIntelliDraw(int x, int y, int dx, int dy, int new_element,
12887                                   boolean change_level, int button)
12888 {
12889   struct XY *xy = xy_directions;
12890   static int last_x = -1;
12891   static int last_y = -1;
12892
12893   if (new_element == EL_UNDEFINED)
12894   {
12895     last_x = -1;
12896     last_y = -1;
12897
12898     return;
12899   }
12900
12901   int old_element = IntelliDrawBuffer[x][y];
12902
12903   if (IS_TUBE(new_element))
12904   {
12905     int last_element_new = EL_UNDEFINED;
12906     int direction = MV_NONE;
12907     int i;
12908
12909     // if old element is of same kind, keep all existing directions
12910     if (IS_TUBE(old_element))
12911       direction |= getOpenDirectionFromTube(old_element);
12912
12913     for (i = 0; i < NUM_DIRECTIONS; i++)
12914     {
12915       int xx = x + xy[i].x;
12916       int yy = y + xy[i].y;
12917
12918       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12919           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
12920       {
12921         int dir = MV_DIR_FROM_BIT(i);
12922         int dir_opposite = MV_DIR_OPPOSITE(dir);
12923         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12924         int last_direction_old = getOpenDirectionFromTube(last_element_old);
12925         int last_direction_new = last_direction_old | dir_opposite;
12926
12927         last_element_new = getTubeFromOpenDirection(last_direction_new);
12928
12929         direction |= dir;
12930       }
12931     }
12932
12933     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
12934
12935     if (last_element_new != EL_UNDEFINED)
12936       MergeAndCloseNeighbourElements(x, y, &new_element,
12937                                      last_x, last_y, &last_element_new,
12938                                      getClosedTube, change_level);
12939   }
12940   else if (IS_BELT(new_element))
12941   {
12942     int belt_nr = getBeltNrFromBeltElement(new_element);
12943     int last_element_new = EL_UNDEFINED;
12944     int direction = MV_NONE;
12945     int i;
12946
12947     // if old element is of same kind, keep all existing directions
12948     if (IS_BELT(old_element))
12949       direction |= getOpenDirectionFromBelt(old_element);
12950
12951     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
12952     {
12953       int xx = x + xy[i].x;
12954       int yy = y + xy[i].y;
12955
12956       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12957           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
12958       {
12959         int dir = MV_DIR_FROM_BIT(i);
12960         int dir_opposite = MV_DIR_OPPOSITE(dir);
12961         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12962         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
12963         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
12964         int last_direction_new = last_direction_old | dir_opposite;
12965
12966         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
12967                                                          last_direction_new);
12968         direction |= dir;
12969       }
12970     }
12971
12972     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
12973                                                         new_element);
12974     if (last_element_new != EL_UNDEFINED)
12975       MergeAndCloseNeighbourElements(x, y, &new_element,
12976                                      last_x, last_y, &last_element_new,
12977                                      getClosedBelt, change_level);
12978   }
12979   else if (IS_ACID_POOL_OR_ACID(new_element))
12980   {
12981     int last_element_new = EL_UNDEFINED;
12982     int direction = MV_NONE;
12983     int i;
12984
12985     // if old element is of same kind, keep all existing directions
12986     if (IS_ACID_POOL_OR_ACID(old_element))
12987       direction |= getOpenDirectionFromPool(old_element);
12988
12989     for (i = 0; i < NUM_DIRECTIONS; i++)
12990     {
12991       int xx = x + xy[i].x;
12992       int yy = y + xy[i].y;
12993
12994       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12995           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
12996       {
12997         int dir = MV_DIR_FROM_BIT(i);
12998         int dir_opposite = MV_DIR_OPPOSITE(dir);
12999         int last_element_old = IntelliDrawBuffer[last_x][last_y];
13000         int last_direction_old = getOpenDirectionFromPool(last_element_old);
13001         int last_direction_new = last_direction_old | dir_opposite;
13002
13003         last_element_new = getPoolFromOpenDirection(last_direction_new);
13004
13005         direction |= dir;
13006       }
13007     }
13008
13009     // special corrections needed for intuitively correct acid pool drawing
13010     if (last_element_new == EL_EMPTY)
13011       last_element_new = new_element;
13012     else if (last_element_new != EL_UNDEFINED)
13013       new_element = last_element_new;
13014
13015     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
13016
13017     if (last_element_new != EL_UNDEFINED)
13018       MergeAndCloseNeighbourElements(x, y, &new_element,
13019                                      last_x, last_y, &last_element_new,
13020                                      getClosedPool, change_level);
13021   }
13022   else if (IS_EMC_PILLAR(new_element))
13023   {
13024     int last_element_new = EL_UNDEFINED;
13025     int direction = MV_NONE;
13026     int i;
13027
13028     // if old element is of same kind, keep all existing directions
13029     if (IS_EMC_PILLAR(old_element))
13030       direction |= getOpenDirectionFromPillar(old_element);
13031
13032     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
13033     {
13034       int xx = x + xy[i].x;
13035       int yy = y + xy[i].y;
13036
13037       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13038           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
13039       {
13040         int dir = MV_DIR_FROM_BIT(i);
13041         int dir_opposite = MV_DIR_OPPOSITE(dir);
13042         int last_element_old = IntelliDrawBuffer[last_x][last_y];
13043         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
13044         int last_direction_new = last_direction_old | dir_opposite;
13045
13046         last_element_new = getPillarFromOpenDirection(last_direction_new);
13047
13048         direction |= dir;
13049       }
13050     }
13051
13052     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
13053
13054     if (last_element_new != EL_UNDEFINED)
13055       MergeAndCloseNeighbourElements(x, y, &new_element,
13056                                      last_x, last_y, &last_element_new,
13057                                      getClosedPillar, change_level);
13058   }
13059   else if (IS_DC_STEELWALL_2(new_element))
13060   {
13061     int last_element_new = EL_UNDEFINED;
13062     int direction = MV_NONE;
13063     int i;
13064
13065     // if old element is of same kind, keep all existing directions
13066     if (IS_DC_STEELWALL_2(old_element))
13067       direction |= getOpenDirectionFromSteel2(old_element);
13068
13069     for (i = 0; i < NUM_DIRECTIONS; i++)
13070     {
13071       int xx = x + xy[i].x;
13072       int yy = y + xy[i].y;
13073
13074       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13075           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
13076       {
13077         int dir = MV_DIR_FROM_BIT(i);
13078         int dir_opposite = MV_DIR_OPPOSITE(dir);
13079         int last_element_old = IntelliDrawBuffer[last_x][last_y];
13080         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
13081         int last_direction_new = last_direction_old | dir_opposite;
13082
13083         last_element_new = getSteel2FromOpenDirection(last_direction_new);
13084
13085         direction |= dir;
13086       }
13087     }
13088
13089     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
13090
13091     if (last_element_new != EL_UNDEFINED)
13092       MergeAndCloseNeighbourElements(x, y, &new_element,
13093                                      last_x, last_y, &last_element_new,
13094                                      getClosedSteel2, change_level);
13095   }
13096   else if (IS_SP_CHIP(new_element))
13097   {
13098     int last_element_new = EL_UNDEFINED;
13099     int direction = MV_NONE;
13100     int i;
13101
13102     // (do not keep existing directions, regardless of kind of old element)
13103
13104     for (i = 0; i < NUM_DIRECTIONS; i++)
13105     {
13106       int xx = x + xy[i].x;
13107       int yy = y + xy[i].y;
13108
13109       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13110           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
13111       {
13112         int dir = MV_DIR_FROM_BIT(i);
13113         int dir_opposite = MV_DIR_OPPOSITE(dir);
13114         int last_element_old = IntelliDrawBuffer[last_x][last_y];
13115         int last_direction_old = getOpenDirectionFromChip(last_element_old);
13116         int last_direction_new = last_direction_old | dir_opposite;
13117
13118         if (last_direction_old == MV_NONE)
13119         {
13120           last_element_new = getChipFromOpenDirection(last_direction_new);
13121           direction |= dir;
13122         }
13123         else if (last_direction_old & (dir | dir_opposite))
13124         {
13125           direction |= MV_DIR_OPPOSITE(last_direction_old);
13126         }
13127         else
13128         {
13129           direction |= MV_DIR_OPPOSITE(dir);
13130         }
13131       }
13132     }
13133
13134     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
13135
13136     if (last_element_new != EL_UNDEFINED)
13137       MergeAndCloseNeighbourElements(x, y, &new_element,
13138                                      last_x, last_y, &last_element_new,
13139                                      getClosedChip, change_level);
13140   }
13141   else if (IS_SP_HARDWARE_BASE(new_element))
13142   {
13143     int nr = GetSimpleRandom(6);
13144
13145     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
13146                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
13147                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
13148                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
13149                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
13150   }
13151   else if (new_element == EL_SP_HARDWARE_GREEN ||
13152            new_element == EL_SP_HARDWARE_BLUE ||
13153            new_element == EL_SP_HARDWARE_RED)
13154   {
13155     int nr = GetSimpleRandom(3);
13156
13157     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
13158                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
13159   }
13160   else if (IS_GROUP_ELEMENT(new_element))
13161   {
13162     boolean connected_drawing = FALSE;
13163     int i;
13164
13165     for (i = 0; i < NUM_DIRECTIONS; i++)
13166     {
13167       int xx = x + xy[i].x;
13168       int yy = y + xy[i].y;
13169
13170       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13171           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
13172         connected_drawing = TRUE;
13173     }
13174
13175     if (!connected_drawing)
13176       ResolveGroupElement(new_element);
13177
13178     new_element = GetElementFromGroupElement(new_element);
13179   }
13180   else if (IS_BELT_SWITCH(old_element))
13181   {
13182     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
13183     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
13184
13185     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
13186                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
13187
13188     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
13189   }
13190   else
13191   {
13192     static int swappable_elements[][2] =
13193     {
13194       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
13195       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
13196       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
13197       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
13198       { EL_EMERALD,                     EL_WALL_EMERALD                 },
13199       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
13200       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
13201       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
13202       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
13203       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
13204       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
13205       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
13206       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
13207       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
13208       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
13209       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
13210       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
13211       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
13212       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
13213       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
13214       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
13215       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
13216       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
13217       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
13218       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
13219       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
13220       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
13221       { EL_PEARL,                       EL_WALL_PEARL                   },
13222       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
13223       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
13224       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
13225       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
13226       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
13227       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
13228       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
13229       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
13230       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
13231       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
13232       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
13233       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
13234       { EL_MM_EXIT_CLOSED,              EL_MM_EXIT_OPEN                 },
13235       { EL_MM_FUSE,                     EL_MM_FUSE_ACTIVE               },
13236       { EL_MM_LIGHTBULB,                EL_MM_LIGHTBULB_ACTIVE          },
13237       { EL_MM_FUEL_EMPTY,               EL_MM_FUEL_FULL                 },
13238
13239       { -1,                             -1                              },
13240     };
13241     static int rotatable_elements_4[][4] =
13242     {
13243       {
13244         EL_BUG_UP,
13245         EL_BUG_RIGHT,
13246         EL_BUG_DOWN,
13247         EL_BUG_LEFT
13248       },
13249       {
13250         EL_SPACESHIP_UP,
13251         EL_SPACESHIP_RIGHT,
13252         EL_SPACESHIP_DOWN,
13253         EL_SPACESHIP_LEFT
13254       },
13255       {
13256         EL_BD_BUTTERFLY_UP,
13257         EL_BD_BUTTERFLY_RIGHT,
13258         EL_BD_BUTTERFLY_DOWN,
13259         EL_BD_BUTTERFLY_LEFT
13260       },
13261       {
13262         EL_BD_FIREFLY_UP,
13263         EL_BD_FIREFLY_RIGHT,
13264         EL_BD_FIREFLY_DOWN,
13265         EL_BD_FIREFLY_LEFT
13266       },
13267       {
13268         EL_PACMAN_UP,
13269         EL_PACMAN_RIGHT,
13270         EL_PACMAN_DOWN,
13271         EL_PACMAN_LEFT
13272       },
13273       {
13274         EL_YAMYAM_UP,
13275         EL_YAMYAM_RIGHT,
13276         EL_YAMYAM_DOWN,
13277         EL_YAMYAM_LEFT
13278       },
13279       {
13280         EL_ARROW_UP,
13281         EL_ARROW_RIGHT,
13282         EL_ARROW_DOWN,
13283         EL_ARROW_LEFT
13284       },
13285       {
13286         EL_SP_PORT_UP,
13287         EL_SP_PORT_RIGHT,
13288         EL_SP_PORT_DOWN,
13289         EL_SP_PORT_LEFT
13290       },
13291       {
13292         EL_SP_GRAVITY_PORT_UP,
13293         EL_SP_GRAVITY_PORT_RIGHT,
13294         EL_SP_GRAVITY_PORT_DOWN,
13295         EL_SP_GRAVITY_PORT_LEFT
13296       },
13297       {
13298         EL_SP_GRAVITY_ON_PORT_UP,
13299         EL_SP_GRAVITY_ON_PORT_RIGHT,
13300         EL_SP_GRAVITY_ON_PORT_DOWN,
13301         EL_SP_GRAVITY_ON_PORT_LEFT
13302       },
13303       {
13304         EL_SP_GRAVITY_OFF_PORT_UP,
13305         EL_SP_GRAVITY_OFF_PORT_RIGHT,
13306         EL_SP_GRAVITY_OFF_PORT_DOWN,
13307         EL_SP_GRAVITY_OFF_PORT_LEFT
13308       },
13309       {
13310         EL_MOLE_UP,
13311         EL_MOLE_RIGHT,
13312         EL_MOLE_DOWN,
13313         EL_MOLE_LEFT
13314       },
13315       {
13316         EL_BALLOON_SWITCH_UP,
13317         EL_BALLOON_SWITCH_RIGHT,
13318         EL_BALLOON_SWITCH_DOWN,
13319         EL_BALLOON_SWITCH_LEFT
13320       },
13321       {
13322         EL_MM_MCDUFFIN_UP,
13323         EL_MM_MCDUFFIN_RIGHT,
13324         EL_MM_MCDUFFIN_DOWN,
13325         EL_MM_MCDUFFIN_LEFT
13326       },
13327       {
13328         EL_MM_MIRROR_FIXED_1,
13329         EL_MM_MIRROR_FIXED_4,
13330         EL_MM_MIRROR_FIXED_3,
13331         EL_MM_MIRROR_FIXED_2
13332       },
13333       {
13334         EL_MM_STEEL_GRID_FIXED_1,
13335         EL_MM_STEEL_GRID_FIXED_4,
13336         EL_MM_STEEL_GRID_FIXED_2,
13337         EL_MM_STEEL_GRID_FIXED_3
13338       },
13339       {
13340         EL_MM_WOODEN_GRID_FIXED_1,
13341         EL_MM_WOODEN_GRID_FIXED_4,
13342         EL_MM_WOODEN_GRID_FIXED_2,
13343         EL_MM_WOODEN_GRID_FIXED_3
13344       },
13345       {
13346         EL_MM_POLARIZER_CROSS_1,
13347         EL_MM_POLARIZER_CROSS_4,
13348         EL_MM_POLARIZER_CROSS_3,
13349         EL_MM_POLARIZER_CROSS_2
13350       },
13351       {
13352         EL_MM_PACMAN_UP,
13353         EL_MM_PACMAN_RIGHT,
13354         EL_MM_PACMAN_DOWN,
13355         EL_MM_PACMAN_LEFT
13356       },
13357       {
13358         EL_DF_LASER_UP,
13359         EL_DF_LASER_RIGHT,
13360         EL_DF_LASER_DOWN,
13361         EL_DF_LASER_LEFT
13362       },
13363       {
13364         EL_DF_RECEIVER_UP,
13365         EL_DF_RECEIVER_RIGHT,
13366         EL_DF_RECEIVER_DOWN,
13367         EL_DF_RECEIVER_LEFT
13368       },
13369       {
13370         EL_DF_SLOPE_1,
13371         EL_DF_SLOPE_4,
13372         EL_DF_SLOPE_3,
13373         EL_DF_SLOPE_2
13374       },
13375
13376       {
13377         -1,
13378       },
13379     };
13380     static int rotatable_elements_8[][8] =
13381     {
13382       {
13383         EL_DF_STEEL_GRID_FIXED_1,
13384         EL_DF_STEEL_GRID_FIXED_8,
13385         EL_DF_STEEL_GRID_FIXED_7,
13386         EL_DF_STEEL_GRID_FIXED_6,
13387         EL_DF_STEEL_GRID_FIXED_5,
13388         EL_DF_STEEL_GRID_FIXED_4,
13389         EL_DF_STEEL_GRID_FIXED_3,
13390         EL_DF_STEEL_GRID_FIXED_2
13391       },
13392       {
13393         EL_DF_WOODEN_GRID_FIXED_1,
13394         EL_DF_WOODEN_GRID_FIXED_8,
13395         EL_DF_WOODEN_GRID_FIXED_7,
13396         EL_DF_WOODEN_GRID_FIXED_6,
13397         EL_DF_WOODEN_GRID_FIXED_5,
13398         EL_DF_WOODEN_GRID_FIXED_4,
13399         EL_DF_WOODEN_GRID_FIXED_3,
13400         EL_DF_WOODEN_GRID_FIXED_2
13401       },
13402       {
13403         EL_DF_STEEL_GRID_ROTATING_1,
13404         EL_DF_STEEL_GRID_ROTATING_8,
13405         EL_DF_STEEL_GRID_ROTATING_7,
13406         EL_DF_STEEL_GRID_ROTATING_6,
13407         EL_DF_STEEL_GRID_ROTATING_5,
13408         EL_DF_STEEL_GRID_ROTATING_4,
13409         EL_DF_STEEL_GRID_ROTATING_3,
13410         EL_DF_STEEL_GRID_ROTATING_2
13411       },
13412       {
13413         EL_DF_WOODEN_GRID_ROTATING_1,
13414         EL_DF_WOODEN_GRID_ROTATING_8,
13415         EL_DF_WOODEN_GRID_ROTATING_7,
13416         EL_DF_WOODEN_GRID_ROTATING_6,
13417         EL_DF_WOODEN_GRID_ROTATING_5,
13418         EL_DF_WOODEN_GRID_ROTATING_4,
13419         EL_DF_WOODEN_GRID_ROTATING_3,
13420         EL_DF_WOODEN_GRID_ROTATING_2
13421       },
13422
13423       {
13424         -1,
13425       },
13426     };
13427     static int rotatable_elements_16[][16] =
13428     {
13429       {
13430         EL_MM_MIRROR_1,
13431         EL_MM_MIRROR_16,
13432         EL_MM_MIRROR_15,
13433         EL_MM_MIRROR_14,
13434         EL_MM_MIRROR_13,
13435         EL_MM_MIRROR_12,
13436         EL_MM_MIRROR_11,
13437         EL_MM_MIRROR_10,
13438         EL_MM_MIRROR_9,
13439         EL_MM_MIRROR_8,
13440         EL_MM_MIRROR_7,
13441         EL_MM_MIRROR_6,
13442         EL_MM_MIRROR_5,
13443         EL_MM_MIRROR_4,
13444         EL_MM_MIRROR_3,
13445         EL_MM_MIRROR_2
13446       },
13447       {
13448         EL_MM_TELEPORTER_5,
13449         EL_MM_TELEPORTER_4,
13450         EL_MM_TELEPORTER_3,
13451         EL_MM_TELEPORTER_2,
13452         EL_MM_TELEPORTER_1,
13453         EL_MM_TELEPORTER_16,
13454         EL_MM_TELEPORTER_15,
13455         EL_MM_TELEPORTER_14,
13456         EL_MM_TELEPORTER_13,
13457         EL_MM_TELEPORTER_12,
13458         EL_MM_TELEPORTER_11,
13459         EL_MM_TELEPORTER_10,
13460         EL_MM_TELEPORTER_9,
13461         EL_MM_TELEPORTER_8,
13462         EL_MM_TELEPORTER_7,
13463         EL_MM_TELEPORTER_6
13464       },
13465       {
13466         EL_MM_TELEPORTER_RED_5,
13467         EL_MM_TELEPORTER_RED_4,
13468         EL_MM_TELEPORTER_RED_3,
13469         EL_MM_TELEPORTER_RED_2,
13470         EL_MM_TELEPORTER_RED_1,
13471         EL_MM_TELEPORTER_RED_16,
13472         EL_MM_TELEPORTER_RED_15,
13473         EL_MM_TELEPORTER_RED_14,
13474         EL_MM_TELEPORTER_RED_13,
13475         EL_MM_TELEPORTER_RED_12,
13476         EL_MM_TELEPORTER_RED_11,
13477         EL_MM_TELEPORTER_RED_10,
13478         EL_MM_TELEPORTER_RED_9,
13479         EL_MM_TELEPORTER_RED_8,
13480         EL_MM_TELEPORTER_RED_7,
13481         EL_MM_TELEPORTER_RED_6
13482       },
13483       {
13484         EL_MM_TELEPORTER_YELLOW_5,
13485         EL_MM_TELEPORTER_YELLOW_4,
13486         EL_MM_TELEPORTER_YELLOW_3,
13487         EL_MM_TELEPORTER_YELLOW_2,
13488         EL_MM_TELEPORTER_YELLOW_1,
13489         EL_MM_TELEPORTER_YELLOW_16,
13490         EL_MM_TELEPORTER_YELLOW_15,
13491         EL_MM_TELEPORTER_YELLOW_14,
13492         EL_MM_TELEPORTER_YELLOW_13,
13493         EL_MM_TELEPORTER_YELLOW_12,
13494         EL_MM_TELEPORTER_YELLOW_11,
13495         EL_MM_TELEPORTER_YELLOW_10,
13496         EL_MM_TELEPORTER_YELLOW_9,
13497         EL_MM_TELEPORTER_YELLOW_8,
13498         EL_MM_TELEPORTER_YELLOW_7,
13499         EL_MM_TELEPORTER_YELLOW_6
13500       },
13501       {
13502         EL_MM_TELEPORTER_GREEN_5,
13503         EL_MM_TELEPORTER_GREEN_4,
13504         EL_MM_TELEPORTER_GREEN_3,
13505         EL_MM_TELEPORTER_GREEN_2,
13506         EL_MM_TELEPORTER_GREEN_1,
13507         EL_MM_TELEPORTER_GREEN_16,
13508         EL_MM_TELEPORTER_GREEN_15,
13509         EL_MM_TELEPORTER_GREEN_14,
13510         EL_MM_TELEPORTER_GREEN_13,
13511         EL_MM_TELEPORTER_GREEN_12,
13512         EL_MM_TELEPORTER_GREEN_11,
13513         EL_MM_TELEPORTER_GREEN_10,
13514         EL_MM_TELEPORTER_GREEN_9,
13515         EL_MM_TELEPORTER_GREEN_8,
13516         EL_MM_TELEPORTER_GREEN_7,
13517         EL_MM_TELEPORTER_GREEN_6
13518       },
13519       {
13520         EL_MM_TELEPORTER_BLUE_5,
13521         EL_MM_TELEPORTER_BLUE_4,
13522         EL_MM_TELEPORTER_BLUE_3,
13523         EL_MM_TELEPORTER_BLUE_2,
13524         EL_MM_TELEPORTER_BLUE_1,
13525         EL_MM_TELEPORTER_BLUE_16,
13526         EL_MM_TELEPORTER_BLUE_15,
13527         EL_MM_TELEPORTER_BLUE_14,
13528         EL_MM_TELEPORTER_BLUE_13,
13529         EL_MM_TELEPORTER_BLUE_12,
13530         EL_MM_TELEPORTER_BLUE_11,
13531         EL_MM_TELEPORTER_BLUE_10,
13532         EL_MM_TELEPORTER_BLUE_9,
13533         EL_MM_TELEPORTER_BLUE_8,
13534         EL_MM_TELEPORTER_BLUE_7,
13535         EL_MM_TELEPORTER_BLUE_6
13536       },
13537       {
13538         EL_MM_POLARIZER_1,
13539         EL_MM_POLARIZER_16,
13540         EL_MM_POLARIZER_15,
13541         EL_MM_POLARIZER_14,
13542         EL_MM_POLARIZER_13,
13543         EL_MM_POLARIZER_12,
13544         EL_MM_POLARIZER_11,
13545         EL_MM_POLARIZER_10,
13546         EL_MM_POLARIZER_9,
13547         EL_MM_POLARIZER_8,
13548         EL_MM_POLARIZER_7,
13549         EL_MM_POLARIZER_6,
13550         EL_MM_POLARIZER_5,
13551         EL_MM_POLARIZER_4,
13552         EL_MM_POLARIZER_3,
13553         EL_MM_POLARIZER_2
13554       },
13555       {
13556         EL_DF_MIRROR_1,
13557         EL_DF_MIRROR_16,
13558         EL_DF_MIRROR_15,
13559         EL_DF_MIRROR_14,
13560         EL_DF_MIRROR_13,
13561         EL_DF_MIRROR_12,
13562         EL_DF_MIRROR_11,
13563         EL_DF_MIRROR_10,
13564         EL_DF_MIRROR_9,
13565         EL_DF_MIRROR_8,
13566         EL_DF_MIRROR_7,
13567         EL_DF_MIRROR_6,
13568         EL_DF_MIRROR_5,
13569         EL_DF_MIRROR_4,
13570         EL_DF_MIRROR_3,
13571         EL_DF_MIRROR_2
13572       },
13573       {
13574         EL_DF_MIRROR_ROTATING_1,
13575         EL_DF_MIRROR_ROTATING_16,
13576         EL_DF_MIRROR_ROTATING_15,
13577         EL_DF_MIRROR_ROTATING_14,
13578         EL_DF_MIRROR_ROTATING_13,
13579         EL_DF_MIRROR_ROTATING_12,
13580         EL_DF_MIRROR_ROTATING_11,
13581         EL_DF_MIRROR_ROTATING_10,
13582         EL_DF_MIRROR_ROTATING_9,
13583         EL_DF_MIRROR_ROTATING_8,
13584         EL_DF_MIRROR_ROTATING_7,
13585         EL_DF_MIRROR_ROTATING_6,
13586         EL_DF_MIRROR_ROTATING_5,
13587         EL_DF_MIRROR_ROTATING_4,
13588         EL_DF_MIRROR_ROTATING_3,
13589         EL_DF_MIRROR_ROTATING_2
13590       },
13591       {
13592         EL_DF_MIRROR_FIXED_1,
13593         EL_DF_MIRROR_FIXED_16,
13594         EL_DF_MIRROR_FIXED_15,
13595         EL_DF_MIRROR_FIXED_14,
13596         EL_DF_MIRROR_FIXED_13,
13597         EL_DF_MIRROR_FIXED_12,
13598         EL_DF_MIRROR_FIXED_11,
13599         EL_DF_MIRROR_FIXED_10,
13600         EL_DF_MIRROR_FIXED_9,
13601         EL_DF_MIRROR_FIXED_8,
13602         EL_DF_MIRROR_FIXED_7,
13603         EL_DF_MIRROR_FIXED_6,
13604         EL_DF_MIRROR_FIXED_5,
13605         EL_DF_MIRROR_FIXED_4,
13606         EL_DF_MIRROR_FIXED_3,
13607         EL_DF_MIRROR_FIXED_2
13608       },
13609
13610       {
13611         -1,
13612       },
13613     };
13614     int i, j;
13615
13616     for (i = 0; swappable_elements[i][0] != -1; i++)
13617     {
13618       int element1 = swappable_elements[i][0];
13619       int element2 = swappable_elements[i][1];
13620
13621       if (old_element == element1 || old_element == element2)
13622         new_element = (old_element == element1 ? element2 : element1);
13623     }
13624
13625     for (i = 0; rotatable_elements_4[i][0] != -1; i++)
13626     {
13627       for (j = 0; j < 4; j++)
13628       {
13629         int element = rotatable_elements_4[i][j];
13630
13631         if (old_element == element)
13632           new_element = (button == 1 ? rotatable_elements_4[i][(j + 3) % 4] :
13633                          button == 2 ? rotatable_elements_4[i][0]           :
13634                          button == 3 ? rotatable_elements_4[i][(j + 1) % 4] :
13635                          old_element);
13636       }
13637     }
13638
13639     for (i = 0; rotatable_elements_8[i][0] != -1; i++)
13640     {
13641       for (j = 0; j < 8; j++)
13642       {
13643         int element = rotatable_elements_8[i][j];
13644
13645         if (old_element == element)
13646           new_element = (button == 1 ? rotatable_elements_8[i][(j + 7) % 8] :
13647                          button == 2 ? rotatable_elements_8[i][0]           :
13648                          button == 3 ? rotatable_elements_8[i][(j + 1) % 8] :
13649                          old_element);
13650       }
13651     }
13652
13653     for (i = 0; rotatable_elements_16[i][0] != -1; i++)
13654     {
13655       for (j = 0; j < 16; j++)
13656       {
13657         int element = rotatable_elements_16[i][j];
13658
13659         if (old_element == element)
13660           new_element = (button == 1 ? rotatable_elements_16[i][(j + 15) % 16] :
13661                          button == 2 ? rotatable_elements_16[i][0]             :
13662                          button == 3 ? rotatable_elements_16[i][(j + 1)  % 16] :
13663                          old_element);
13664       }
13665     }
13666
13667     if (old_element != new_element)
13668     {
13669       int max_infotext_len = getMaxInfoTextLength();
13670       char infotext[MAX_OUTPUT_LINESIZE + 1];
13671
13672       strncpy(infotext, getElementInfoText(new_element), max_infotext_len);
13673       infotext[max_infotext_len] = '\0';
13674
13675       ClearEditorGadgetInfoText();
13676
13677       DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT,
13678                 infotext);
13679     }
13680   }
13681
13682   if (IS_MM_WALL_EDITOR(new_element))
13683     SetElementSimpleExt(x, y, dx, dy, new_element, change_level);
13684   else
13685     SetElementSimple(x, y, new_element, change_level);
13686
13687   last_x = x;
13688   last_y = y;
13689 }
13690
13691 static void ResetIntelliDraw(void)
13692 {
13693   int x, y;
13694
13695   for (x = 0; x < lev_fieldx; x++)
13696     for (y = 0; y < lev_fieldy; y++)
13697       IntelliDrawBuffer[x][y] = Tile[x][y];
13698
13699   SetElementIntelliDraw(-1, -1, -1, -1, EL_UNDEFINED, FALSE, -1);
13700 }
13701
13702 static boolean draw_mode_hires = FALSE;
13703
13704 static boolean isHiresTileElement(int element)
13705 {
13706   return (IS_MM_WALL(element)        || element == EL_EMPTY);
13707 }
13708
13709 static boolean isHiresDrawElement(int element)
13710 {
13711   return (IS_MM_WALL_EDITOR(element) || element == EL_EMPTY);
13712 }
13713
13714 static int numHiresTiles(int element)
13715 {
13716   if (IS_MM_WALL(element))
13717     return get_number_of_bits(MM_WALL_BITS(element));
13718
13719   return 1;
13720 }
13721
13722 static void SetDrawModeHiRes(int element)
13723 {
13724   draw_mode_hires =
13725     (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
13726      isHiresDrawElement(element));
13727 }
13728
13729 static boolean getDrawModeHiRes(void)
13730 {
13731   return draw_mode_hires;
13732 }
13733
13734 static int getLoResScreenPos(int pos)
13735 {
13736   return (getDrawModeHiRes() ? pos / 2 : pos);
13737 }
13738
13739 static int getLoResScreenMod(int pos)
13740 {
13741   return (getDrawModeHiRes() ? pos % 2 : 0);
13742 }
13743
13744 static void SetElementExt(int x, int y, int dx, int dy, int element,
13745                           boolean change_level, int button)
13746 {
13747   if (element < 0)
13748     SetElementSimple(x, y, Tile[x][y], change_level);
13749   else if (GetKeyModState() & KMOD_Shift)
13750     SetElementIntelliDraw(x, y, dx, dy, element, change_level, button);
13751   else
13752     SetElementSimpleExt(x, y, dx, dy, element, change_level);
13753 }
13754
13755 static void SetElement(int x, int y, int element)
13756 {
13757   SetElementExt(x, y, 0, 0, element, TRUE, -1);
13758 }
13759
13760 static void SetElementButton(int x, int y, int dx, int dy, int element,
13761                              int button)
13762 {
13763   SetElementExt(x, y, dx, dy, element, TRUE, button);
13764 }
13765
13766 static void SetElementHiRes(int sx2, int sy2, int element, boolean change_level)
13767 {
13768   int lx = getLoResScreenPos(sx2) + level_xpos;
13769   int ly = getLoResScreenPos(sy2) + level_ypos;
13770   int dx = getLoResScreenMod(sx2);
13771   int dy = getLoResScreenMod(sy2);
13772
13773   SetElementExt(lx, ly, dx, dy, element, change_level, -1);
13774 }
13775
13776 static void SetLevelElementHiRes(int lx2, int ly2, int element)
13777 {
13778   int lx = lx2 / 2;
13779   int ly = ly2 / 2;
13780   int dx = lx2 % 2;
13781   int dy = ly2 % 2;
13782
13783   SetElementExt(lx, ly, dx, dy, element, TRUE, -1);
13784 }
13785
13786 static int getLevelElementHiRes(int lx2, int ly2)
13787 {
13788   int lx = lx2 / 2;
13789   int ly = ly2 / 2;
13790   int dx = lx2 % 2;
13791   int dy = ly2 % 2;
13792   int element = Tile[lx][ly];
13793   unsigned int bitmask = (dx + 1) << (dy * 2);
13794
13795   if (IS_MM_WALL(element))
13796   {
13797     if (element & bitmask)
13798       return map_mm_wall_element(element);
13799     else
13800       return EL_EMPTY;
13801   }
13802
13803   return element;
13804 }
13805
13806 static void DrawLineElement(int x, int y, int element, boolean change_level)
13807 {
13808   SetElementHiRes(x, y, element, change_level);
13809 }
13810
13811 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
13812                      int element, boolean change_level)
13813 {
13814   int xsize = ABS(to_x - from_x);
13815   int ysize = ABS(to_y - from_y);
13816   int dx = (to_x < from_x ? -1 : +1);
13817   int dy = (to_y < from_y ? -1 : +1);
13818   int i;
13819
13820   if (from_y == to_y)                   // horizontal line
13821   {
13822     for (i = 0; i <= xsize; i++)
13823       DrawLineElement(from_x + i * dx, from_y, element, change_level);
13824   }
13825   else if (from_x == to_x)              // vertical line
13826   {
13827     for (i = 0; i <= ysize; i++)
13828       DrawLineElement(from_x, from_y + i * dy, element, change_level);
13829   }
13830   else                                  // diagonal line
13831   {
13832     if (ysize < xsize)                  // a < 1
13833     {
13834       float a = (float)ysize / (float)xsize;
13835
13836       for (i = 0; i <= xsize; i++)
13837       {
13838         int x = dx * i;
13839         int y = dy * (int)(a * i + 0.5);
13840
13841         DrawLineElement(from_x + x, from_y + y, element, change_level);
13842       }
13843     }
13844     else                                // a >= 1
13845     {
13846       float a = (float)xsize / (float)ysize;
13847
13848       for (i = 0; i <= ysize; i++)
13849       {
13850         int x = dx * (int)(a * i + 0.5);
13851         int y = dy * i;
13852
13853         DrawLineElement(from_x + x, from_y + y, element, change_level);
13854       }
13855     }
13856   }
13857 }
13858
13859 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
13860                     int element, boolean change_level)
13861 {
13862   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
13863   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
13864   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
13865   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
13866 }
13867
13868 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
13869                           int element, boolean change_level)
13870 {
13871   int y;
13872
13873   if (from_y > to_y)
13874     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
13875
13876   for (y = from_y; y <= to_y; y++)
13877     DrawLine(from_x, y, to_x, y, element, change_level);
13878 }
13879
13880 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
13881                        int element, boolean change_level)
13882 {
13883   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
13884   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
13885   int len_x = ABS(to_x - from_x);
13886   int len_y = ABS(to_y - from_y);
13887   int radius, x, y;
13888
13889   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
13890
13891   // not optimal (some points get drawn twice) but simple,
13892   // and fast enough for the few points we are drawing
13893
13894   for (x = 0; x <= radius; x++)
13895   {
13896     int sx, sy, sx2, sy2, lx, ly;
13897
13898     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
13899
13900     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
13901     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
13902     sx = getLoResScreenPos(sx2);
13903     sy = getLoResScreenPos(sy2);
13904     lx = sx + level_xpos;
13905     ly = sy + level_ypos;
13906
13907     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
13908       DrawLineElement(sx2, sy2, element, change_level);
13909   }
13910
13911   for (y = 0; y <= radius; y++)
13912   {
13913     int sx, sy, sx2, sy2, lx, ly;
13914
13915     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
13916
13917     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
13918     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
13919     sx = getLoResScreenPos(sx2);
13920     sy = getLoResScreenPos(sy2);
13921     lx = sx + level_xpos;
13922     ly = sy + level_ypos;
13923
13924     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
13925       DrawLineElement(sx2, sy2, element, change_level);
13926   }
13927 }
13928
13929 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
13930                     int element, boolean change_level)
13931 {
13932   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
13933   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
13934
13935   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
13936 }
13937
13938 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
13939
13940 #if DRAW_CIRCLES_BUTTON_AVAILABLE
13941 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
13942                        int element, boolean change_level)
13943 {
13944   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
13945   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
13946   int mirror_to_x2 = from_x - (to_x2 - from_x);
13947   int mirror_to_y2 = from_y - (to_y2 - from_y);
13948
13949   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
13950   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
13951   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
13952   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element, change_level);
13953 }
13954 #endif
13955
13956 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
13957 {
13958   int from_sx, from_sy;
13959   int to_sx, to_sy;
13960
13961   if (from_x > to_x)
13962     swap_numbers(&from_x, &to_x);
13963
13964   if (from_y > to_y)
13965     swap_numbers(&from_y, &to_y);
13966
13967   from_sx = SX + from_x * ed_tilesize;
13968   from_sy = SY + from_y * ed_tilesize;
13969   to_sx = SX + (to_x + 1) * ed_tilesize - 1;
13970   to_sy = SY + (to_y + 1) * ed_tilesize - 1;
13971
13972   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
13973   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
13974   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
13975   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
13976
13977   if (from_x == to_x && from_y == to_y)
13978     MarkTileDirty(from_x/2, from_y/2);
13979   else
13980     redraw_mask |= REDRAW_FIELD;
13981 }
13982
13983 static void DrawAreaBox(int from_x, int from_y, int to_x, int to_y,
13984                         int element, boolean change_level)
13985 {
13986   DrawBox(from_x, from_y, to_x, to_y, element, change_level);
13987 }
13988
13989 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
13990                        int element, boolean change_level)
13991 {
13992   if (element == -1 || change_level)
13993     DrawAreaBox(from_x, from_y, to_x, to_y, -1, FALSE);
13994   else
13995     DrawAreaBorder(from_x, from_y, to_x, to_y);
13996 }
13997
13998 // values for CopyBrushExt()
13999 #define CB_AREA_TO_BRUSH                0
14000 #define CB_BRUSH_TO_CURSOR              1
14001 #define CB_BRUSH_TO_LEVEL               2
14002 #define CB_DELETE_OLD_CURSOR            3
14003 #define CB_DUMP_BRUSH                   4
14004 #define CB_DUMP_BRUSH_SMALL             5
14005 #define CB_CLIPBOARD_TO_BRUSH           6
14006 #define CB_BRUSH_TO_CLIPBOARD           7
14007 #define CB_BRUSH_TO_CLIPBOARD_SMALL     8
14008 #define CB_UPDATE_BRUSH_POSITION        9
14009 #define CB_FLIP_BRUSH_X                 10
14010 #define CB_FLIP_BRUSH_Y                 11
14011 #define CB_FLIP_BRUSH_XY                12
14012
14013 #define MAX_CB_PART_SIZE        10
14014 #define MAX_CB_LINE_SIZE        (MAX_LEV_FIELDX + 1)    // text plus newline
14015 #define MAX_CB_NUM_LINES        (MAX_LEV_FIELDY)
14016 #define MAX_CB_TEXT_SIZE        (MAX_CB_LINE_SIZE *     \
14017                                  MAX_CB_NUM_LINES *     \
14018                                  MAX_CB_PART_SIZE)
14019
14020 static int getFlippedTileExt(int map[], int element)
14021 {
14022   int i;
14023
14024   for (i = 0; map[i] != -1; i++)
14025     if (map[i] == element)
14026       return map[i ^ 1];        // get flipped element by flipping LSB of index
14027
14028   return element;
14029 }
14030
14031 static int getFlippedTileX(int element)
14032 {
14033   int map[] =
14034   {
14035     EL_BD_BUTTERFLY_LEFT,               EL_BD_BUTTERFLY_RIGHT,
14036     EL_BD_FIREFLY_LEFT,                 EL_BD_FIREFLY_RIGHT,
14037     EL_BUG_LEFT,                        EL_BUG_RIGHT,
14038     EL_SPACESHIP_LEFT,                  EL_SPACESHIP_RIGHT,
14039     EL_PACMAN_LEFT,                     EL_PACMAN_RIGHT,
14040     EL_ARROW_LEFT,                      EL_ARROW_RIGHT,
14041     EL_MOLE_LEFT,                       EL_MOLE_RIGHT,
14042     EL_BALLOON_SWITCH_LEFT,             EL_BALLOON_SWITCH_RIGHT,
14043     EL_YAMYAM_LEFT,                     EL_YAMYAM_RIGHT,
14044     EL_SP_PORT_LEFT,                    EL_SP_PORT_RIGHT,
14045     EL_SP_GRAVITY_PORT_LEFT,            EL_SP_GRAVITY_PORT_RIGHT,
14046     EL_SP_GRAVITY_ON_PORT_LEFT,         EL_SP_GRAVITY_ON_PORT_RIGHT,
14047     EL_SP_GRAVITY_OFF_PORT_LEFT,        EL_SP_GRAVITY_OFF_PORT_RIGHT,
14048     EL_CONVEYOR_BELT_1_LEFT,            EL_CONVEYOR_BELT_1_RIGHT,
14049     EL_CONVEYOR_BELT_2_LEFT,            EL_CONVEYOR_BELT_2_RIGHT,
14050     EL_CONVEYOR_BELT_3_LEFT,            EL_CONVEYOR_BELT_3_RIGHT,
14051     EL_CONVEYOR_BELT_4_LEFT,            EL_CONVEYOR_BELT_4_RIGHT,
14052     EL_SPRING_LEFT,                     EL_SPRING_RIGHT,
14053     EL_SP_CHIP_LEFT,                    EL_SP_CHIP_RIGHT,
14054     EL_TUBE_VERTICAL_LEFT,              EL_TUBE_VERTICAL_RIGHT,
14055     EL_TUBE_LEFT_UP,                    EL_TUBE_RIGHT_UP,
14056     EL_TUBE_LEFT_DOWN,                  EL_TUBE_RIGHT_DOWN,
14057     EL_DC_STEELWALL_1_LEFT,             EL_DC_STEELWALL_1_RIGHT,
14058     EL_DC_STEELWALL_1_TOPLEFT,          EL_DC_STEELWALL_1_TOPRIGHT,
14059     EL_DC_STEELWALL_1_BOTTOMLEFT,       EL_DC_STEELWALL_1_BOTTOMRIGHT,
14060     EL_DC_STEELWALL_1_TOPLEFT_2,        EL_DC_STEELWALL_1_TOPRIGHT_2,
14061     EL_DC_STEELWALL_1_BOTTOMLEFT_2,     EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
14062     EL_DC_STEELWALL_2_LEFT,             EL_DC_STEELWALL_2_RIGHT,
14063     EL_ACID_POOL_TOPLEFT,               EL_ACID_POOL_TOPRIGHT,
14064     EL_ACID_POOL_BOTTOMLEFT,            EL_ACID_POOL_BOTTOMRIGHT,
14065
14066     -1
14067   };
14068
14069   return getFlippedTileExt(map, element);
14070 }
14071
14072 static int getFlippedTileY(int element)
14073 {
14074   int map[] =
14075   {
14076     EL_BD_BUTTERFLY_UP,                 EL_BD_BUTTERFLY_DOWN,
14077     EL_BD_FIREFLY_UP,                   EL_BD_FIREFLY_DOWN,
14078     EL_BUG_UP,                          EL_BUG_DOWN,
14079     EL_SPACESHIP_UP,                    EL_SPACESHIP_DOWN,
14080     EL_PACMAN_UP,                       EL_PACMAN_DOWN,
14081     EL_ARROW_UP,                        EL_ARROW_DOWN,
14082     EL_MOLE_UP,                         EL_MOLE_DOWN,
14083     EL_BALLOON_SWITCH_UP,               EL_BALLOON_SWITCH_DOWN,
14084     EL_YAMYAM_UP,                       EL_YAMYAM_DOWN,
14085     EL_SP_PORT_UP,                      EL_SP_PORT_DOWN,
14086     EL_SP_GRAVITY_PORT_UP,              EL_SP_GRAVITY_PORT_DOWN,
14087     EL_SP_GRAVITY_ON_PORT_UP,           EL_SP_GRAVITY_ON_PORT_DOWN,
14088     EL_SP_GRAVITY_OFF_PORT_UP,          EL_SP_GRAVITY_OFF_PORT_DOWN,
14089     EL_SP_CHIP_TOP,                     EL_SP_CHIP_BOTTOM,
14090     EL_TUBE_HORIZONTAL_UP,              EL_TUBE_HORIZONTAL_DOWN,
14091     EL_TUBE_LEFT_UP,                    EL_TUBE_LEFT_DOWN,
14092     EL_TUBE_RIGHT_UP,                   EL_TUBE_RIGHT_DOWN,
14093     EL_DC_STEELWALL_1_TOP,              EL_DC_STEELWALL_1_BOTTOM,
14094     EL_DC_STEELWALL_1_TOPLEFT,          EL_DC_STEELWALL_1_BOTTOMLEFT,
14095     EL_DC_STEELWALL_1_TOPRIGHT,         EL_DC_STEELWALL_1_BOTTOMRIGHT,
14096     EL_DC_STEELWALL_1_TOPLEFT_2,        EL_DC_STEELWALL_1_BOTTOMLEFT_2,
14097     EL_DC_STEELWALL_1_TOPRIGHT_2,       EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
14098     EL_DC_STEELWALL_2_TOP,              EL_DC_STEELWALL_2_BOTTOM,
14099     EL_EMC_WALL_1,                      EL_EMC_WALL_3,
14100
14101     -1
14102   };
14103
14104   return getFlippedTileExt(map, element);
14105 }
14106
14107 static int getFlippedTileXY(int element)
14108 {
14109   int map[] =
14110   {
14111     EL_BD_BUTTERFLY_LEFT,               EL_BD_BUTTERFLY_UP,
14112     EL_BD_BUTTERFLY_RIGHT,              EL_BD_BUTTERFLY_DOWN,
14113     EL_BD_FIREFLY_LEFT,                 EL_BD_FIREFLY_UP,
14114     EL_BD_FIREFLY_RIGHT,                EL_BD_FIREFLY_DOWN,
14115     EL_BUG_LEFT,                        EL_BUG_UP,
14116     EL_BUG_RIGHT,                       EL_BUG_DOWN,
14117     EL_SPACESHIP_LEFT,                  EL_SPACESHIP_UP,
14118     EL_SPACESHIP_RIGHT,                 EL_SPACESHIP_DOWN,
14119     EL_PACMAN_LEFT,                     EL_PACMAN_UP,
14120     EL_PACMAN_RIGHT,                    EL_PACMAN_DOWN,
14121     EL_ARROW_LEFT,                      EL_ARROW_UP,
14122     EL_ARROW_RIGHT,                     EL_ARROW_DOWN,
14123     EL_MOLE_LEFT,                       EL_MOLE_UP,
14124     EL_MOLE_RIGHT,                      EL_MOLE_DOWN,
14125     EL_BALLOON_SWITCH_LEFT,             EL_BALLOON_SWITCH_UP,
14126     EL_BALLOON_SWITCH_RIGHT,            EL_BALLOON_SWITCH_DOWN,
14127     EL_YAMYAM_LEFT,                     EL_YAMYAM_UP,
14128     EL_YAMYAM_RIGHT,                    EL_YAMYAM_DOWN,
14129     EL_SP_PORT_LEFT,                    EL_SP_PORT_UP,
14130     EL_SP_PORT_RIGHT,                   EL_SP_PORT_DOWN,
14131     EL_SP_GRAVITY_PORT_LEFT,            EL_SP_GRAVITY_PORT_UP,
14132     EL_SP_GRAVITY_PORT_RIGHT,           EL_SP_GRAVITY_PORT_DOWN,
14133     EL_SP_GRAVITY_ON_PORT_LEFT,         EL_SP_GRAVITY_ON_PORT_UP,
14134     EL_SP_GRAVITY_ON_PORT_RIGHT,        EL_SP_GRAVITY_ON_PORT_DOWN,
14135     EL_SP_GRAVITY_OFF_PORT_LEFT,        EL_SP_GRAVITY_OFF_PORT_UP,
14136     EL_SP_GRAVITY_OFF_PORT_RIGHT,       EL_SP_GRAVITY_OFF_PORT_DOWN,
14137     EL_SP_CHIP_LEFT,                    EL_SP_CHIP_TOP,
14138     EL_SP_CHIP_RIGHT,                   EL_SP_CHIP_BOTTOM,
14139     EL_TUBE_VERTICAL,                   EL_TUBE_HORIZONTAL,
14140     EL_TUBE_VERTICAL_LEFT,              EL_TUBE_HORIZONTAL_UP,
14141     EL_TUBE_VERTICAL_RIGHT,             EL_TUBE_HORIZONTAL_DOWN,
14142     EL_TUBE_LEFT_DOWN,                  EL_TUBE_RIGHT_UP,
14143     EL_DC_STEELWALL_1_LEFT,             EL_DC_STEELWALL_1_TOP,
14144     EL_DC_STEELWALL_1_RIGHT,            EL_DC_STEELWALL_1_BOTTOM,
14145     EL_DC_STEELWALL_1_HORIZONTAL,       EL_DC_STEELWALL_1_VERTICAL,
14146     EL_DC_STEELWALL_1_TOPRIGHT,         EL_DC_STEELWALL_1_BOTTOMLEFT,
14147     EL_DC_STEELWALL_1_TOPRIGHT_2,       EL_DC_STEELWALL_1_BOTTOMLEFT_2,
14148     EL_DC_STEELWALL_2_LEFT,             EL_DC_STEELWALL_2_TOP,
14149     EL_DC_STEELWALL_2_RIGHT,            EL_DC_STEELWALL_2_BOTTOM,
14150     EL_DC_STEELWALL_2_HORIZONTAL,       EL_DC_STEELWALL_2_VERTICAL,
14151     EL_EXPANDABLE_WALL_HORIZONTAL,      EL_EXPANDABLE_WALL_VERTICAL,
14152     EL_EXPANDABLE_STEELWALL_HORIZONTAL, EL_EXPANDABLE_STEELWALL_VERTICAL,
14153
14154     -1
14155   };
14156
14157   return getFlippedTileExt(map, element);
14158 }
14159
14160 static int getFlippedTile(int element, int mode)
14161 {
14162   if (IS_MM_ELEMENT(element))
14163   {
14164     // get MM game element
14165     element = map_element_RND_to_MM(element);
14166
14167     // get flipped game element
14168     element = (mode == CB_FLIP_BRUSH_X  ? getFlippedTileX_MM(element) :
14169                mode == CB_FLIP_BRUSH_Y  ? getFlippedTileY_MM(element) :
14170                mode == CB_FLIP_BRUSH_XY ? getFlippedTileXY_MM(element) :
14171                element);
14172
14173     // get RND game element again
14174     element = map_element_MM_to_RND(element);
14175   }
14176   else
14177   {
14178     // get flipped game element
14179     element = (mode == CB_FLIP_BRUSH_X  ? getFlippedTileX(element) :
14180                mode == CB_FLIP_BRUSH_Y  ? getFlippedTileY(element) :
14181                mode == CB_FLIP_BRUSH_XY ? getFlippedTileXY(element) :
14182                element);
14183   }
14184
14185   return element;
14186 }
14187
14188 static void SwapFlippedTiles(short *tile1, short *tile2, int mode)
14189 {
14190   // flip tiles
14191   short tile1_flipped = getFlippedTile(*tile1, mode);
14192   short tile2_flipped = getFlippedTile(*tile2, mode);
14193
14194   // swap tiles
14195   *tile1 = tile2_flipped;
14196   *tile2 = tile1_flipped;
14197 }
14198
14199 static void DrawBrushElement(int sx, int sy, int element, boolean change_level)
14200 {
14201   DrawLineElement(sx, sy, element, change_level);
14202 }
14203
14204 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
14205                          int button, int mode)
14206 {
14207   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
14208   static int brush_width, brush_height;
14209   static int last_cursor_x = -1, last_cursor_y = -1;
14210   static boolean delete_old_brush = FALSE;
14211   int new_element = BUTTON_ELEMENT(button);
14212   int x, y;
14213
14214   if (mode == CB_DUMP_BRUSH ||
14215       mode == CB_DUMP_BRUSH_SMALL ||
14216       mode == CB_BRUSH_TO_CLIPBOARD ||
14217       mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
14218   {
14219     if (edit_mode != ED_MODE_DRAWING)
14220       return;
14221
14222     char part[MAX_CB_PART_SIZE + 1] = "";
14223     char text[MAX_CB_TEXT_SIZE + 1] = "";
14224     int width  = (draw_with_brush ? brush_width  : lev_fieldx);
14225     int height = (draw_with_brush ? brush_height : lev_fieldy);
14226     char *format = "%s%03d";
14227
14228     for (y = 0; y < height; y++)
14229       for (x = 0; x < width; x++)
14230         if ((draw_with_brush ? brush_buffer[x][y] : Tile[x][y]) > 999)
14231           format = "%s%04d";
14232
14233     for (y = 0; y < height; y++)
14234     {
14235       for (x = 0; x < width; x++)
14236       {
14237         int element = (draw_with_brush ? brush_buffer[x][y] : Tile[x][y]);
14238         char *prefix = (mode == CB_DUMP_BRUSH ||
14239                         mode == CB_BRUSH_TO_CLIPBOARD ? "`" : "¸");
14240
14241         if (element >= NUM_FILE_ELEMENTS)
14242           element = EL_UNKNOWN;
14243
14244         // copy brush to level sketch text buffer for the R'n'D forum:
14245         // - large tiles: `xxx or `xxxx (0x60 ASCII)
14246         // - small tiles: ¸xxx or ¸xxxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
14247         snprintf(part, MAX_CB_PART_SIZE + 1, format, prefix, element);
14248         strcat(text, part);
14249       }
14250
14251       strcat(text, "\n");
14252     }
14253
14254     if (mode == CB_BRUSH_TO_CLIPBOARD ||
14255         mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
14256       SDL_SetClipboardText(text);
14257     else
14258       Print("%s", text);        // print brush data to console and log file
14259
14260     return;
14261   }
14262
14263   if (mode == CB_CLIPBOARD_TO_BRUSH)
14264   {
14265     if (edit_mode != ED_MODE_DRAWING)
14266       return;
14267
14268     if (!SDL_HasClipboardText())
14269     {
14270       Request("Clipboard is empty!", REQ_CONFIRM);
14271
14272       return;
14273     }
14274
14275     boolean copy_to_brush = (draw_with_brush ||
14276                              drawing_function == GADGET_ID_GRAB_BRUSH);
14277
14278     // this will delete the old brush, if already drawing with a brush
14279     if (copy_to_brush)
14280       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], MB_LEFTBUTTON);
14281
14282     // initialization is required for "odd" (incomplete) clipboard content
14283     for (x = 0; x < MAX_LEV_FIELDX; x++)
14284       for (y = 0; y < MAX_LEV_FIELDY; y++)
14285         brush_buffer[x][y] = EL_EMPTY;
14286
14287     brush_width  = 0;
14288     brush_height = 0;
14289     x = 0;
14290     y = 0;
14291
14292     char *clipboard_text = SDL_GetClipboardText();
14293     char *ptr = clipboard_text;
14294     boolean allow_new_row = FALSE;
14295     boolean stop = FALSE;
14296
14297     while (*ptr && !stop)
14298     {
14299       boolean prefix_found = FALSE;
14300       boolean start_new_row = FALSE;
14301
14302       // level sketch element number prefixes (may be multi-byte characters)
14303       char *prefix_list[] = { "`", "¸" };
14304       int i;
14305
14306       for (i = 0; i < ARRAY_SIZE(prefix_list); i++)
14307       {
14308         char *prefix = prefix_list[i];
14309
14310         // check if string is large enough for prefix
14311         if (strlen(ptr) < strlen(prefix))
14312         {
14313           stop = TRUE;
14314
14315           break;
14316         }
14317
14318         // check if string starts with prefix
14319         if (strPrefix(ptr, prefix))
14320         {
14321           ptr += strlen(prefix);
14322
14323           prefix_found = TRUE;
14324
14325           break;
14326         }
14327       }
14328
14329       // check if prefix found and followed by (at least) three digits
14330       if (prefix_found &&
14331           strlen(ptr) >= 3 &&
14332           ptr[0] >= '0' && ptr[0] <= '9' &&
14333           ptr[1] >= '0' && ptr[1] <= '9' &&
14334           ptr[2] >= '0' && ptr[2] <= '9')
14335       {
14336         int element = ((ptr[0] - '0') * 100 +
14337                        (ptr[1] - '0') * 10 +
14338                        (ptr[2] - '0'));
14339
14340         ptr += 3;
14341
14342         // level sketch element number might consist of four digits
14343         if (ptr[0] >= '0' && ptr[0] <= '9')
14344         {
14345           element = element * 10 + (ptr[0] - '0');
14346           ptr++;
14347         }
14348
14349         // remap some (historic, now obsolete) elements
14350         element = getMappedElement(element);
14351
14352         if (element >= NUM_FILE_ELEMENTS)
14353           element = EL_UNKNOWN;
14354
14355         brush_buffer[x][y] = element;
14356
14357         brush_width  = MAX(x + 1, brush_width);
14358         brush_height = MAX(y + 1, brush_height);
14359
14360         x++;
14361
14362         if (x >= MAX_LEV_FIELDX)
14363           start_new_row = TRUE;
14364
14365         allow_new_row = TRUE;
14366       }
14367       else
14368       {
14369         if ((*ptr == '\n' || *ptr == '\r') && allow_new_row)
14370           start_new_row = TRUE;
14371
14372         ptr++;          // !!! FIX THIS for real UTF-8 handling !!!
14373       }
14374
14375       if (start_new_row)
14376       {
14377         x = 0;
14378         y++;
14379
14380         if (y >= MAX_LEV_FIELDY)
14381           stop = TRUE;
14382
14383         allow_new_row = FALSE;
14384       }
14385     }
14386
14387     SDL_free(clipboard_text);
14388
14389     if (brush_width == 0 || brush_height == 0)
14390     {
14391       Request("No level sketch found in clipboard!", REQ_CONFIRM);
14392
14393       return;
14394     }
14395
14396     if (copy_to_brush)
14397     {
14398       struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_DRAWING_LEVEL];
14399       int mx, my;
14400
14401       SDL_GetMouseState(&mx, &my);
14402
14403       // if inside drawing area, activate and draw brush at last mouse position
14404       if (mx >= gi->x && mx < gi->x + gi->width &&
14405           my >= gi->y && my < gi->y + gi->height)
14406         CopyBrushToCursor(last_cursor_x, last_cursor_y);
14407
14408       draw_with_brush = TRUE;
14409     }
14410     else
14411     {
14412       char request[100];
14413
14414       sprintf(request, "Replace level with %dx%d level sketch from clipboard?",
14415               brush_width, brush_height);
14416
14417       if (!Request(request, REQ_ASK))
14418         return;
14419
14420       for (x = 0; x < MAX_LEV_FIELDX; x++)
14421         for (y = 0; y < MAX_LEV_FIELDY; y++)
14422           Tile[x][y] = brush_buffer[x][y];
14423
14424       lev_fieldx = level.fieldx = brush_width;
14425       lev_fieldy = level.fieldy = brush_height;
14426
14427       boolean use_bd_engine = TRUE;
14428       boolean use_em_engine = TRUE;
14429       boolean use_sp_engine = TRUE;
14430       boolean use_mm_engine = TRUE;
14431
14432       for (x = 0; x < MAX_LEV_FIELDX; x++)
14433       {
14434         for (y = 0; y < MAX_LEV_FIELDY; y++)
14435         {
14436           int element = Tile[x][y];
14437
14438           if (!IS_BD_ELEMENT(element) && !IS_PLAYER_ELEMENT(element))
14439             use_bd_engine = FALSE;
14440
14441           if (!IS_EM_ELEMENT(element) && !IS_PLAYER_ELEMENT(element))
14442             use_em_engine = FALSE;
14443
14444           if (!IS_SP_ELEMENT(element))
14445             use_sp_engine = FALSE;
14446
14447           if (!IS_MM_ELEMENT(element) && element != EL_EMPTY)
14448             use_mm_engine = FALSE;
14449         }
14450       }
14451
14452       level.game_engine_type = (use_bd_engine ? GAME_ENGINE_TYPE_BD :
14453                                 use_em_engine ? GAME_ENGINE_TYPE_EM :
14454                                 use_sp_engine ? GAME_ENGINE_TYPE_SP :
14455                                 use_mm_engine ? GAME_ENGINE_TYPE_MM :
14456                                 GAME_ENGINE_TYPE_RND);
14457
14458       // update element selection list
14459       ReinitializeElementList();
14460       ModifyEditorElementList();
14461
14462       SetBorderElement();
14463
14464       DrawEditModeWindow();
14465       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14466     }
14467
14468     return;
14469   }
14470
14471   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
14472     return;
14473
14474   if (mode == CB_AREA_TO_BRUSH)
14475   {
14476     int from_lx, from_ly;
14477
14478     if (from_x > to_x)
14479       swap_numbers(&from_x, &to_x);
14480
14481     if (from_y > to_y)
14482       swap_numbers(&from_y, &to_y);
14483
14484     brush_width = to_x - from_x + 1;
14485     brush_height = to_y - from_y + 1;
14486
14487     from_lx = from_x + level_xpos;
14488     from_ly = from_y + level_ypos;
14489
14490     for (y = 0; y < brush_height; y++)
14491     {
14492       for (x = 0; x < brush_width; x++)
14493       {
14494         brush_buffer[x][y] = Tile[from_lx + x][from_ly + y];
14495
14496         if (button != 1)
14497           DrawBrushElement(from_x + x, from_y + y, new_element, TRUE);
14498       }
14499     }
14500
14501     if (button != 1)
14502       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14503
14504     delete_old_brush = FALSE;
14505   }
14506   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
14507            mode == CB_BRUSH_TO_LEVEL)
14508   {
14509     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
14510     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
14511     int cursor_from_x = cursor_x - brush_width / 2;
14512     int cursor_from_y = cursor_y - brush_height / 2;
14513     int border_from_x = cursor_x, border_from_y = cursor_y;
14514     int border_to_x = cursor_x, border_to_y = cursor_y;
14515
14516     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
14517       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
14518
14519     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
14520         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
14521     {
14522       delete_old_brush = FALSE;
14523
14524       return;
14525     }
14526
14527     for (y = 0; y < brush_height; y++)
14528     {
14529       for (x = 0; x < brush_width; x++)
14530       {
14531         int sx = cursor_from_x + x;
14532         int sy = cursor_from_y + y;
14533         int lx = sx + level_xpos;
14534         int ly = sy + level_ypos;
14535         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
14536         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
14537                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
14538                        brush_buffer[x][y] : new_element);
14539
14540         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
14541         {
14542           if (sx < border_from_x)
14543             border_from_x = sx;
14544           else if (sx > border_to_x)
14545             border_to_x = sx;
14546           if (sy < border_from_y)
14547             border_from_y = sy;
14548           else if (sy > border_to_y)
14549             border_to_y = sy;
14550
14551           DrawBrushElement(sx, sy, element, change_level);
14552         }
14553       }
14554     }
14555
14556     if (mode != CB_DELETE_OLD_CURSOR)
14557       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
14558
14559     last_cursor_x = cursor_x;
14560     last_cursor_y = cursor_y;
14561
14562     delete_old_brush = TRUE;
14563   }
14564   else if (mode == CB_FLIP_BRUSH_X)
14565   {
14566     for (y = 0; y < brush_height; y++)
14567       for (x = 0; x < (brush_width + 1) / 2; x++)
14568         SwapFlippedTiles(&brush_buffer[x][y],
14569                          &brush_buffer[brush_width - x - 1][y], mode);
14570
14571     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
14572   }
14573   else if (mode == CB_FLIP_BRUSH_Y)
14574   {
14575     for (y = 0; y < (brush_height + 1) / 2; y++)
14576       for (x = 0; x < brush_width; x++)
14577         SwapFlippedTiles(&brush_buffer[x][y],
14578                          &brush_buffer[x][brush_height - y - 1], mode);
14579
14580     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
14581   }
14582   else if (mode == CB_FLIP_BRUSH_XY)
14583   {
14584     CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
14585
14586     for (y = 0; y < MAX(brush_width, brush_height); y++)
14587       for (x = 0; x <= y; x++)
14588         SwapFlippedTiles(&brush_buffer[x][y],
14589                          &brush_buffer[y][x], mode);
14590
14591     swap_numbers(&brush_width, &brush_height);
14592
14593     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
14594   }
14595
14596   if (mode == CB_UPDATE_BRUSH_POSITION)
14597   {
14598     last_cursor_x = from_x;
14599     last_cursor_y = from_y;
14600   }
14601 }
14602
14603 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
14604                             int button)
14605 {
14606   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
14607 }
14608
14609 static void CopyBrushToLevel(int x, int y, int button)
14610 {
14611   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
14612 }
14613
14614 static void CopyBrushToCursor(int x, int y)
14615 {
14616   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
14617 }
14618
14619 static void UpdateBrushPosition(int x, int y)
14620 {
14621   CopyBrushExt(x, y, 0, 0, 0, CB_UPDATE_BRUSH_POSITION);
14622 }
14623
14624 static void DeleteBrushFromCursor(void)
14625 {
14626   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
14627 }
14628
14629 static void FlipBrushX(void)
14630 {
14631   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_X);
14632 }
14633
14634 static void FlipBrushY(void)
14635 {
14636   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_Y);
14637 }
14638
14639 static void RotateBrush(void)
14640 {
14641   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_XY);
14642   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_X);
14643 }
14644
14645 void DumpBrush(void)
14646 {
14647   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
14648 }
14649
14650 void DumpBrush_Small(void)
14651 {
14652   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
14653 }
14654
14655 void CopyClipboardToBrush(void)
14656 {
14657   CopyBrushExt(0, 0, 0, 0, 0, CB_CLIPBOARD_TO_BRUSH);
14658 }
14659
14660 void CopyBrushToClipboard(void)
14661 {
14662   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD);
14663 }
14664
14665 void CopyBrushToClipboard_Small(void)
14666 {
14667   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD_SMALL);
14668 }
14669
14670 void UndoLevelEditorOperation(void)
14671 {
14672   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], -1);
14673 }
14674
14675 void RedoLevelEditorOperation(void)
14676 {
14677   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
14678 }
14679
14680 static void FloodFill(int from_x, int from_y, int fill_element)
14681 {
14682   FloodFillLevel(from_x, from_y, fill_element, Tile, lev_fieldx, lev_fieldy);
14683 }
14684
14685 static void FloodFillWall_MM(int from_sx2, int from_sy2, int fill_element)
14686 {
14687   int from_x = from_sx2 + 2 * level_xpos;
14688   int from_y = from_sy2 + 2 * level_ypos;
14689   int max_fillx = lev_fieldx * 2;
14690   int max_filly = lev_fieldy * 2;
14691   short Fill[max_fillx][max_filly];
14692   int x, y;
14693
14694   for (x = 0; x < max_fillx; x++)
14695     for (y = 0; y < max_filly; y++)
14696       Fill[x][y] = getLevelElementHiRes(x, y);
14697
14698   FloodFillLevelExt(from_x, from_y, fill_element, max_fillx, max_filly,
14699                     Fill, max_fillx, max_filly);
14700
14701   for (x = 0; x < max_fillx; x++)
14702     for (y = 0; y < max_filly; y++)
14703       if (Fill[x][y] == fill_element)
14704         SetLevelElementHiRes(x, y, Fill[x][y]);
14705 }
14706
14707 // values for DrawLevelText() modes
14708 #define TEXT_INIT               0
14709 #define TEXT_SETCURSOR          1
14710 #define TEXT_WRITECHAR          2
14711 #define TEXT_BACKSPACE          3
14712 #define TEXT_NEWLINE            4
14713 #define TEXT_END                5
14714 #define TEXT_QUERY_TYPING       6
14715
14716 static int DrawLevelText(int sx, int sy, char letter, int mode)
14717 {
14718   static short delete_buffer[MAX_LEV_FIELDX];
14719   static int start_sx;
14720   static int last_sx, last_sy;
14721   static boolean typing = FALSE;
14722   int letter_element;
14723   int lx = 0, ly = 0;
14724
14725   // map lower case letters to upper case and convert special characters
14726   if (letter >= 'a' && letter <= 'z')
14727     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
14728   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
14729     letter_element = EL_CHAR_AUMLAUT;
14730   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
14731     letter_element = EL_CHAR_OUMLAUT;
14732   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
14733     letter_element = EL_CHAR_UUMLAUT;
14734   else if (letter == '^')
14735     letter_element = EL_CHAR_COPYRIGHT;
14736   else
14737     letter_element = EL_CHAR_ASCII0 + letter;
14738
14739   if (mode != TEXT_INIT)
14740   {
14741     if (!typing)
14742       return FALSE;
14743
14744     if (mode != TEXT_SETCURSOR)
14745     {
14746       sx = last_sx;
14747       sy = last_sy;
14748     }
14749
14750     lx = last_sx + level_xpos;
14751     ly = last_sy + level_ypos;
14752   }
14753
14754   switch (mode)
14755   {
14756     case TEXT_INIT:
14757       if (typing)
14758         DrawLevelText(0, 0, 0, TEXT_END);
14759
14760       typing = TRUE;
14761       start_sx = sx;
14762       last_sx = sx;
14763       last_sy = sy;
14764       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
14765       break;
14766
14767     case TEXT_SETCURSOR:
14768       DrawEditorElement(last_sx, last_sy, Tile[lx][ly]);
14769       DrawAreaBorder(sx, sy, sx, sy);
14770       StartTextInput(SX + sx * ed_tilesize, SY + sy * ed_tilesize,
14771                      ed_tilesize, ed_tilesize);
14772       last_sx = sx;
14773       last_sy = sy;
14774       break;
14775
14776     case TEXT_WRITECHAR:
14777       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
14778       {
14779         if (new_element1 >= EL_STEEL_CHAR_START &&
14780             new_element1 <= EL_STEEL_CHAR_END)
14781           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
14782
14783         delete_buffer[sx - start_sx] = Tile[lx][ly];
14784         Tile[lx][ly] = letter_element;
14785
14786         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
14787           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
14788         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
14789           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
14790         else
14791           DrawLevelText(0, 0, 0, TEXT_END);
14792
14793         level.changed = TRUE;
14794       }
14795       break;
14796
14797     case TEXT_BACKSPACE:
14798       if (sx > start_sx)
14799       {
14800         Tile[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
14801         DrawEditorElement(sx - 1, sy, Tile[lx - 1][ly]);
14802         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
14803       }
14804       break;
14805
14806     case TEXT_NEWLINE:
14807       if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
14808         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
14809       else
14810         DrawLevelText(0, 0, 0, TEXT_END);
14811       break;
14812
14813     case TEXT_END:
14814       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14815       DrawEditorElement(sx, sy, Tile[lx][ly]);
14816       StopTextInput();
14817       typing = FALSE;
14818       break;
14819
14820     case TEXT_QUERY_TYPING:
14821       break;
14822
14823     default:
14824       break;
14825   }
14826
14827   return typing;
14828 }
14829
14830 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
14831                           int element, boolean change_level)
14832 {
14833   int lx = sx + level_xpos;
14834   int ly = sy + level_ypos;
14835
14836   if (element == -1)
14837     DrawEditorElement(sx, sy, Tile[lx][ly]);
14838   else
14839     DrawAreaBorder(sx, sy, sx, sy);
14840 }
14841
14842 static void CheckLevelBorderElement(boolean redraw_playfield)
14843 {
14844   int last_border_element = BorderElement;
14845
14846   SetBorderElement();
14847
14848   if (redraw_playfield && BorderElement != last_border_element)
14849     DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14850 }
14851
14852 static void CopyLevelToUndoBuffer(int mode)
14853 {
14854   static boolean accumulated_undo = FALSE;
14855   boolean new_undo_buffer_position = TRUE;
14856   int x, y;
14857
14858   if (undo_buffer_steps == 0)
14859     accumulated_undo = FALSE;
14860
14861   switch (mode)
14862   {
14863     case UNDO_IMMEDIATE:
14864       accumulated_undo = FALSE;
14865       break;
14866
14867     case UNDO_ACCUMULATE:
14868       if (accumulated_undo)
14869         new_undo_buffer_position = FALSE;
14870       accumulated_undo = TRUE;
14871       break;
14872
14873     default:
14874       break;
14875   }
14876
14877   if (new_undo_buffer_position)
14878   {
14879     // advance position in undo buffer ring
14880     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
14881
14882     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
14883       undo_buffer_steps++;
14884   }
14885
14886   // always reset redo buffer when storing level change into undo buffer
14887   redo_buffer_steps = 0;
14888
14889   for (x = 0; x < lev_fieldx; x++)
14890     for (y = 0; y < lev_fieldy; y++)
14891       UndoBuffer[undo_buffer_position][x][y] = Tile[x][y];
14892
14893   // check if drawing operation forces change of border style
14894   CheckLevelBorderElement(TRUE);
14895
14896   level.changed = TRUE;
14897 }
14898
14899 static void RandomPlacement(int new_element)
14900 {
14901   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
14902   int num_free_positions = 0;
14903   int num_percentage, num_elements;
14904   int x, y;
14905
14906   ResetIntelliDraw();
14907
14908   // determine number of free positions for randomly placing the new element
14909   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
14910   {
14911     free_position[x][y] =
14912       (random_placement_background_restricted ?
14913        Tile[x][y] == random_placement_background_element :
14914        Tile[x][y] != new_element);
14915
14916     if (free_position[x][y])
14917       num_free_positions++;
14918   }
14919
14920   // determine number of new elements to place there
14921   num_percentage = num_free_positions * random_placement_value / 100;
14922   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
14923                   num_percentage : random_placement_value);
14924
14925   // if less free positions than elements to place, fill all these positions
14926   if (num_free_positions < num_elements)
14927   {
14928     for (x = 0; x < lev_fieldx; x++)
14929       for (y = 0; y < lev_fieldy; y++)
14930         if (free_position[x][y])
14931           SetElement(x, y, new_element);
14932   }
14933   else
14934   {
14935     while (num_elements > 0)
14936     {
14937       x = GetSimpleRandom(lev_fieldx);
14938       y = GetSimpleRandom(lev_fieldy);
14939
14940       // don't place element at the same position twice
14941       if (free_position[x][y])
14942       {
14943         free_position[x][y] = FALSE;
14944         SetElement(x, y, new_element);
14945         num_elements--;
14946       }
14947     }
14948   }
14949
14950   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14951   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14952 }
14953
14954 static void WrapLevel(int dx, int dy)
14955 {
14956   int wrap_dx = lev_fieldx - dx;
14957   int wrap_dy = lev_fieldy - dy;
14958   int x, y;
14959
14960   for (x = 0; x < lev_fieldx; x++)
14961     for (y = 0; y < lev_fieldy; y++)
14962       TileBackup[x][y] = Tile[x][y];
14963
14964   for (x = 0; x < lev_fieldx; x++)
14965     for (y = 0; y < lev_fieldy; y++)
14966       Tile[x][y] =
14967         TileBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
14968
14969   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14970   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
14971 }
14972
14973 static void DrawAreaElementHighlight(boolean highlighted,
14974                                      boolean highlighted_similar)
14975 {
14976   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14977
14978   if (!highlighted)
14979     return;
14980
14981   int x, y;
14982
14983   for (x = 0; x < ed_fieldx; x++)
14984   {
14985     for (y = 0; y < ed_fieldy; y++)
14986     {
14987       boolean highlight = FALSE;
14988       int lx = x + level_xpos;
14989       int ly = y + level_ypos;
14990
14991       if (!IN_LEV_FIELD(lx, ly))
14992         continue;
14993
14994       // check if element is the same
14995       if (Tile[lx][ly] == new_element1)
14996         highlight = TRUE;
14997
14998       // check if element is similar
14999       if (highlighted_similar &&
15000           strEqual(element_info[Tile[lx][ly]].class_name,
15001                    element_info[new_element1].class_name))
15002         highlight = TRUE;
15003
15004       // check if element is matching MM style wall
15005       if (IS_MM_WALL(Tile[lx][ly]) &&
15006           map_mm_wall_element(Tile[lx][ly]) == new_element1)
15007         highlight = TRUE;
15008
15009       if (!highlight)
15010         continue;
15011
15012       if (IS_MM_WALL(Tile[lx][ly]) && !highlighted_similar)
15013       {
15014         int i;
15015
15016         for (i = 0; i < 4; i++)
15017         {
15018           if (!(MM_WALL_BITS(Tile[lx][ly]) & (1 << i)))
15019             continue;
15020
15021           int xx = x * 2 + (i % 2);
15022           int yy = y * 2 + (i / 2);
15023           int sx = SX + xx * ed_tilesize / 2;
15024           int sy = SY + yy * ed_tilesize / 2;
15025           int from_sx = sx;
15026           int from_sy = sy;
15027           int to_sx = sx + ed_tilesize / 2 - 1;
15028           int to_sy = sy + ed_tilesize / 2 - 1;
15029
15030           DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx,   from_sy);
15031           DrawSimpleWhiteLine(drawto, to_sx,   from_sy, to_sx,   to_sy);
15032           DrawSimpleWhiteLine(drawto, to_sx,   to_sy,   from_sx, to_sy);
15033           DrawSimpleWhiteLine(drawto, from_sx, to_sy,   from_sx, from_sy);
15034         }
15035       }
15036       else
15037       {
15038         int sx = SX + x * ed_tilesize;
15039         int sy = SY + y * ed_tilesize;
15040         int from_sx = sx;
15041         int from_sy = sy;
15042         int to_sx = sx + ed_tilesize - 1;
15043         int to_sy = sy + ed_tilesize - 1;
15044
15045         DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx,   from_sy);
15046         DrawSimpleWhiteLine(drawto, to_sx,   from_sy, to_sx,   to_sy);
15047         DrawSimpleWhiteLine(drawto, to_sx,   to_sy,   from_sx, to_sy);
15048         DrawSimpleWhiteLine(drawto, from_sx, to_sy,   from_sx, from_sy);
15049       }
15050     }
15051   }
15052 }
15053
15054 static void CopyLevelTemplateToUserLevelSet(char *levelset_subdir)
15055 {
15056   char *template_filename_old = getLocalLevelTemplateFilename();
15057   char *template_filename_new =
15058     getPath2(getUserLevelDir(levelset_subdir), LEVELTEMPLATE_FILENAME);
15059
15060   if (copyFile(template_filename_old, template_filename_new) != 0)
15061     Request("Cannot copy level template!", REQ_CONFIRM);
15062
15063   free(template_filename_new);
15064 }
15065
15066 static void HandleDrawingAreas(struct GadgetInfo *gi)
15067 {
15068   static boolean started_inside_drawing_area = FALSE;
15069   static int last_sx = -1;
15070   static int last_sy = -1;
15071   static int last_sx2 = -1;
15072   static int last_sy2 = -1;
15073   int id = gi->custom_id;
15074   int type_id = gi->custom_type_id;
15075   boolean button_press_event;
15076   boolean button_release_event;
15077   boolean inside_drawing_area = !gi->event.off_borders;
15078   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
15079   int actual_drawing_function;
15080   int button = gi->event.button;
15081   int new_element = BUTTON_ELEMENT(button);
15082   int sx = gi->event.x, sy = gi->event.y;
15083   int min_sx = 0, min_sy = 0;
15084   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
15085   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
15086   int mini_item_xsize = item_xsize / 2, mini_item_ysize = item_ysize / 2;
15087   int sx2 = gi->event.mx / mini_item_xsize;
15088   int sy2 = gi->event.my / mini_item_ysize;
15089   int dx = sx2 % 2;
15090   int dy = sy2 % 2;
15091   int lx = 0, ly = 0;
15092   int x, y;
15093
15094   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
15095   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
15096
15097   // make sure to stay inside drawing area boundaries
15098   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
15099   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
15100
15101   if (draw_level)
15102   {
15103     int min_lx = 0, min_ly = 0;
15104     int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
15105
15106     // get positions inside level field
15107     lx = sx + level_xpos;
15108     ly = sy + level_ypos;
15109
15110     if (!IN_LEV_FIELD(lx, ly))
15111       inside_drawing_area = FALSE;
15112
15113     // make sure to stay inside level field boundaries
15114     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
15115     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
15116
15117     // correct drawing area positions accordingly
15118     sx = lx - level_xpos;
15119     sy = ly - level_ypos;
15120   }
15121
15122   // also correct MM wall-sized (double) drawing area positions accordingly
15123   if (sx2 / 2 < sx || sx2 / 2 > sx)
15124   {
15125     dx = (sx2 / 2 < sx ? 0 : 1);
15126     sx2 = sx * 2 + dx;
15127   }
15128   if (sy2 / 2 < sy || sy2 / 2 > sy)
15129   {
15130     dy = (sy2 / 2 < sy ? 0 : 1);
15131     sy2 = sy * 2 + dy;
15132   }
15133
15134   if (!button_press_event && !button_release_event)
15135   {
15136     int old_element = (IN_LEV_FIELD(lx, ly) ? Tile[lx][ly] : EL_UNDEFINED);
15137     boolean hires_drawing = (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
15138                              isHiresTileElement(old_element) &&
15139                              isHiresDrawElement(new_element));
15140
15141     // prevent handling events for every pixel position when moving mouse
15142     if ((sx == last_sx && sy == last_sy && !hires_drawing) ||
15143         (sx2 == last_sx2 && sy2 == last_sy2))
15144       return;
15145   }
15146
15147   last_sx = sx;
15148   last_sy = sy;
15149   last_sx2 = sx2;
15150   last_sy2 = sy2;
15151
15152   if (button_press_event)
15153     started_inside_drawing_area = inside_drawing_area;
15154
15155   if (!started_inside_drawing_area)
15156     return;
15157
15158   if (!IS_VALID_BUTTON(button))
15159     return;
15160
15161   // handle info callback for each invocation of action callback
15162   gi->callback_info(gi);
15163
15164   // automatically switch to 'single item' drawing mode, if needed
15165   actual_drawing_function =
15166     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
15167      drawing_function : GADGET_ID_SINGLE_ITEMS);
15168
15169   // clicking into drawing area with pressed Control key picks element
15170   if (GetKeyModState() & KMOD_Control)
15171   {
15172     last_drawing_function = drawing_function;
15173     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
15174   }
15175
15176   if (GetKeyModState() & KMOD_Shift)
15177   {
15178     if (button_press_event || button_release_event)
15179       ResetIntelliDraw();
15180   }
15181
15182   SetDrawModeHiRes(-1);         // reset to normal draw mode
15183
15184   switch (actual_drawing_function)
15185   {
15186     case GADGET_ID_SINGLE_ITEMS:
15187       if (draw_level)
15188       {
15189         if (button_release_event)
15190         {
15191           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15192
15193           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
15194               !inside_drawing_area)
15195             DeleteBrushFromCursor();
15196
15197           break;
15198         }
15199
15200         if (draw_with_brush)
15201         {
15202           CopyBrushToLevel(sx, sy, button);
15203         }
15204         else
15205         {
15206           SetDrawModeHiRes(new_element);
15207
15208           if (IS_PLAYER_ELEMENT(new_element) || IS_MM_MCDUFFIN(new_element))
15209           {
15210             // remove player at old position
15211             for (y = 0; y < lev_fieldy; y++)
15212             {
15213               for (x = 0; x < lev_fieldx; x++)
15214               {
15215                 int old_element = Tile[x][y];
15216
15217                 if (IS_PLAYER_ELEMENT(old_element) &&
15218                     IS_PLAYER_ELEMENT(new_element))
15219                 {
15220                   int replaced_with_element =
15221                     (old_element == EL_SOKOBAN_FIELD_PLAYER &&
15222                      new_element == EL_PLAYER_1 ? EL_SOKOBAN_FIELD_EMPTY :
15223
15224                      old_element == EL_SOKOBAN_FIELD_PLAYER &&
15225                      new_element == old_element ? EL_SOKOBAN_FIELD_EMPTY :
15226
15227                      new_element == EL_SOKOBAN_FIELD_PLAYER &&
15228                      old_element == EL_PLAYER_1 ? EL_EMPTY :
15229
15230                      new_element >= EL_PLAYER_1 &&
15231                      new_element <= EL_PLAYER_4 &&
15232                      new_element == old_element ? EL_EMPTY :
15233
15234                      old_element);
15235
15236                   SetElement(x, y, replaced_with_element);
15237                 }
15238                 else if (IS_MM_MCDUFFIN(old_element) &&
15239                          IS_MM_MCDUFFIN(new_element))
15240                 {
15241                   // remove McDuffin at old position
15242                   SetElement(x, y, EL_EMPTY);
15243                 }
15244               }
15245             }
15246           }
15247
15248           SetElementButton(lx, ly, dx, dy, new_element, button);
15249         }
15250       }
15251       else if (!button_release_event)
15252       {
15253         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
15254
15255         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
15256           DrawMiniGraphicExt(drawto,
15257                              gi->x + sx * MINI_TILEX,
15258                              gi->y + sy * MINI_TILEY,
15259                              el2edimg(new_element));
15260         else
15261           DrawFixedGraphicExt(drawto,
15262                               gi->x + sx * TILEX,
15263                               gi->y + sy * TILEY,
15264                               el2edimg(new_element), 0);
15265
15266         if (id == GADGET_ID_CUSTOM_GRAPHIC)
15267           new_element = GFX_ELEMENT(new_element);
15268
15269         drawingarea_info[type_id].value[pos] = new_element;
15270
15271         CopyElementPropertiesToGame(properties_element);
15272
15273         if (id == GADGET_ID_CUSTOM_GRAPHIC)
15274         {
15275           UpdateCustomElementGraphicGadgets();
15276
15277           FrameCounter = 0;     // restart animation frame counter
15278         }
15279       }
15280       break;
15281
15282     case GADGET_ID_CONNECTED_ITEMS:
15283       {
15284         static int last_sx = -1;
15285         static int last_sy = -1;
15286
15287         if (button_release_event)
15288           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15289
15290         SetDrawModeHiRes(new_element);
15291
15292         if (getDrawModeHiRes())
15293         {
15294           sx = sx2;
15295           sy = sy2;
15296         }
15297
15298         if (!button_press_event)
15299           DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
15300
15301         last_sx = sx;
15302         last_sy = sy;
15303       }
15304       break;
15305
15306     case GADGET_ID_LINE:
15307     case GADGET_ID_ARC:
15308     case GADGET_ID_RECTANGLE:
15309     case GADGET_ID_FILLED_BOX:
15310       SetDrawModeHiRes(new_element);
15311
15312       if (getDrawModeHiRes())
15313       {
15314         sx = sx2;
15315         sy = sy2;
15316       }
15317       // FALLTHROUGH
15318     case GADGET_ID_GRAB_BRUSH:
15319     case GADGET_ID_TEXT:
15320       {
15321         static int last_sx = -1;
15322         static int last_sy = -1;
15323         static int start_sx = -1;
15324         static int start_sy = -1;
15325         void (*draw_func)(int, int, int, int, int, boolean);
15326
15327         if (drawing_function == GADGET_ID_LINE)
15328           draw_func = DrawLine;
15329         else if (drawing_function == GADGET_ID_ARC)
15330           draw_func = DrawArc;
15331         else if (drawing_function == GADGET_ID_RECTANGLE)
15332           draw_func = DrawBox;
15333         else if (drawing_function == GADGET_ID_FILLED_BOX)
15334           draw_func = DrawFilledBox;
15335         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
15336           draw_func = SelectArea;
15337         else // (drawing_function == GADGET_ID_TEXT)
15338           draw_func = SetTextCursor;
15339
15340         if (button_press_event)
15341         {
15342           draw_func(sx, sy, sx, sy, new_element, FALSE);
15343           start_sx = last_sx = sx;
15344           start_sy = last_sy = sy;
15345
15346           if (drawing_function == GADGET_ID_TEXT)
15347             DrawLevelText(0, 0, 0, TEXT_END);
15348         }
15349         else if (button_release_event)
15350         {
15351           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
15352           if (drawing_function == GADGET_ID_GRAB_BRUSH)
15353           {
15354             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
15355             CopyBrushToCursor(sx, sy);
15356             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
15357                           MB_LEFTBUTTON);
15358             draw_with_brush = TRUE;
15359           }
15360           else if (drawing_function == GADGET_ID_TEXT)
15361             DrawLevelText(sx, sy, 0, TEXT_INIT);
15362           else
15363             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15364         }
15365         else if (last_sx != sx || last_sy != sy)
15366         {
15367           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
15368           if (IS_MM_WALL_EDITOR(new_element))   // clear wall background
15369             draw_func(start_sx, start_sy, sx, sy, EL_EMPTY, FALSE);
15370           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
15371           last_sx = sx;
15372           last_sy = sy;
15373         }
15374       }
15375       break;
15376
15377     case GADGET_ID_FLOOD_FILL:
15378       if (button_press_event && Tile[lx][ly] != new_element)
15379       {
15380         if (IS_MM_WALL_EDITOR(new_element))
15381           FloodFillWall_MM(sx2, sy2, new_element);
15382         else
15383           FloodFill(lx, ly, new_element);
15384
15385         DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15386         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15387       }
15388       break;
15389
15390     case GADGET_ID_PICK_ELEMENT:
15391       if (button_release_event)
15392         ClickOnGadget(level_editor_gadget[last_drawing_function],
15393                       MB_LEFTBUTTON);
15394       else if (draw_level)
15395         PickDrawingElement(button, Tile[lx][ly]);
15396       else
15397       {
15398         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
15399
15400         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
15401       }
15402
15403     default:
15404       break;
15405   }
15406
15407   // do not mark level as modified for certain non-level-changing gadgets
15408   if ((type_id >= ED_DRAWING_ID_EDITOR_FIRST &&
15409        type_id <= ED_DRAWING_ID_EDITOR_LAST) ||
15410       actual_drawing_function == GADGET_ID_GRAB_BRUSH ||
15411       actual_drawing_function == GADGET_ID_PICK_ELEMENT)
15412     return;
15413
15414   level.changed = TRUE;
15415 }
15416
15417 static void HandleCounterButtons(struct GadgetInfo *gi)
15418 {
15419   int gadget_id = gi->custom_id;
15420   int counter_id = gi->custom_type_id;
15421   int button = gi->event.button;
15422   int *counter_value = counterbutton_info[counter_id].value;
15423   int step = BUTTON_STEPSIZE(button) *
15424     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
15425
15426   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
15427   {
15428     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
15429     boolean released = (gi->event.type == GD_EVENT_RELEASED);
15430     boolean level_changed = LevelChanged();
15431
15432     if ((level_changed && pressed) || (!level_changed && released))
15433       return;
15434
15435     if (level_changed && !Request("Level has changed! Discard changes?",
15436                                   REQ_ASK))
15437     {
15438       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
15439         ModifyEditorCounterValue(counter_id, *counter_value);
15440
15441       return;
15442     }
15443   }
15444
15445   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
15446     *counter_value = gi->textinput.number_value;
15447   else
15448     ModifyEditorCounterValue(counter_id, *counter_value + step);
15449
15450   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
15451   {
15452     int last_game_engine_type = level.game_engine_type;
15453
15454     LoadLevel(level_nr);
15455     LoadScore(level_nr);
15456
15457     SaveLevelSetup_SeriesInfo();
15458
15459     TapeErase();
15460
15461     ResetUndoBuffer();
15462     DrawEditModeWindow();
15463
15464     if (level.game_engine_type != last_game_engine_type)
15465     {
15466       // update element selection list
15467       ReinitializeElementList();
15468       ModifyEditorElementList();
15469     }
15470
15471     return;
15472   }
15473
15474   switch (counter_id)
15475   {
15476     case ED_COUNTER_ID_YAMYAM_CONTENT:
15477       DrawYamYamContentAreas();
15478       break;
15479
15480     case ED_COUNTER_ID_BALL_CONTENT:
15481       DrawMagicBallContentAreas();
15482       break;
15483
15484     case ED_COUNTER_ID_ANDROID_CONTENT:
15485       DrawAndroidElementArea();
15486       break;
15487
15488     case ED_COUNTER_ID_GROUP_CONTENT:
15489       DrawGroupElementArea();
15490       CopyGroupElementPropertiesToGame(properties_element);
15491       break;
15492
15493     case ED_COUNTER_ID_INVENTORY_SIZE:
15494       DrawPlayerInitialInventoryArea(properties_element);
15495       break;
15496
15497     case ED_COUNTER_ID_MM_BALL_CONTENT:
15498       DrawMMBallContentArea();
15499       break;
15500
15501     case ED_COUNTER_ID_ENVELOPE_XSIZE:
15502     case ED_COUNTER_ID_ENVELOPE_YSIZE:
15503       DrawEnvelopeTextArea(-1);
15504       break;
15505
15506     case ED_COUNTER_ID_LEVEL_XSIZE:
15507     case ED_COUNTER_ID_LEVEL_YSIZE:
15508       lev_fieldx = level.fieldx;
15509       lev_fieldy = level.fieldy;
15510
15511       // check if resizing of level results in change of border border
15512       SetBorderElement();
15513
15514       break;
15515
15516     default:
15517       break;
15518   }
15519
15520   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
15521        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
15522       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
15523        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
15524     CopyElementPropertiesToGame(properties_element);
15525
15526   // do not mark level as modified for certain non-level-changing gadgets
15527   if ((counter_id >= ED_COUNTER_ID_LEVELSET_FIRST &&
15528        counter_id <= ED_COUNTER_ID_LEVELSET_LAST) ||
15529       (counter_id >= ED_COUNTER_ID_EDITOR_FIRST &&
15530        counter_id <= ED_COUNTER_ID_EDITOR_LAST))
15531     return;
15532
15533   level.changed = TRUE;
15534 }
15535
15536 static void HandleTextInputGadgets(struct GadgetInfo *gi)
15537 {
15538   int type_id = gi->custom_type_id;
15539
15540   strcpy(textinput_info[type_id].value, gi->textinput.value);
15541
15542   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
15543   {
15544     CopyElementPropertiesToGame(properties_element);
15545
15546     ModifyEditorElementList();  // update changed button info text
15547   }
15548
15549   // do not mark level as modified for certain non-level-changing gadgets
15550   if (type_id >= ED_TEXTINPUT_ID_LEVELSET_FIRST &&
15551       type_id <= ED_TEXTINPUT_ID_LEVELSET_LAST)
15552     return;
15553
15554   level.changed = TRUE;
15555 }
15556
15557 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
15558 {
15559   int type_id = gi->custom_type_id;
15560
15561   strncpy(textarea_info[type_id].value, gi->textarea.value,
15562           MAX_ENVELOPE_TEXT_LEN);
15563   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
15564
15565   level.changed = TRUE;
15566 }
15567
15568 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
15569 {
15570   int type_id = gi->custom_type_id;
15571   int value_old = *selectbox_info[type_id].value;
15572   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
15573
15574   *selectbox_info[type_id].value = value_new;
15575
15576   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE)
15577   {
15578     DrawLevelConfigWindow();
15579   }
15580   else if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
15581   {
15582     element_info[properties_element].current_change_page = gi->selectbox.index;
15583
15584     DrawPropertiesWindow();
15585   }
15586   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
15587             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
15588            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
15589             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
15590            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
15591   {
15592     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
15593     {
15594       // when changing action type, also check action mode and action arg
15595       if (value_old != value_new)
15596         setSelectboxSpecialActionVariablesIfNeeded();
15597
15598       DrawPropertiesChange();
15599     }
15600
15601     CopyElementPropertiesToGame(properties_element);
15602   }
15603   else if (type_id == ED_SELECTBOX_ID_GAME_ENGINE_TYPE)
15604   {
15605     // show or hide "engine" tabulator depending on game engine type
15606     DrawLevelConfigWindow();
15607
15608     // update element selection list depending on game engine type
15609     ReinitializeElementList();
15610     ModifyEditorElementList();
15611   }
15612   else if (type_id == ED_SELECTBOX_ID_BD_SCHEDULING_TYPE)
15613   {
15614     // update BD cycle delay counter gadgets depending on BD scheduling type
15615     DrawLevelConfigWindow();
15616   }
15617
15618   // do not mark level as modified for certain non-level-changing gadgets
15619   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE ||
15620       type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
15621     return;
15622
15623   level.changed = TRUE;
15624 }
15625
15626 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
15627 {
15628   int type_id = gi->custom_type_id;
15629   int i;
15630
15631   if (type_id >= ED_TAB_BUTTON_ID_LEVELCONFIG_FIRST &&
15632       type_id <= ED_TAB_BUTTON_ID_LEVELCONFIG_LAST)
15633   {
15634     edit_mode_levelconfig = gi->custom_type_id;
15635
15636     DrawLevelConfigWindow();
15637   }
15638   else if (type_id >= ED_TAB_BUTTON_ID_PROPERTIES_FIRST &&
15639            type_id <= ED_TAB_BUTTON_ID_PROPERTIES_LAST)
15640   {
15641     edit_mode_properties = gi->custom_type_id;
15642
15643     DrawPropertiesWindow();
15644   }
15645   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1 ||
15646            type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2)
15647   {
15648     boolean new_template = !fileExists(getLocalLevelTemplateFilename());
15649
15650     // backup original "level.field" (needed to track playfield changes)
15651     CopyPlayfield(level.field, TileBackup);
15652
15653     // "SaveLevelTemplate()" uses "level.field", so copy editor playfield
15654     CopyPlayfield(Tile, level.field);
15655
15656     if (new_template ||
15657         Request("Save this template and kill the old?", REQ_ASK))
15658       SaveLevelTemplate();
15659
15660     if (new_template)
15661       Request("Template saved!", REQ_CONFIRM);
15662
15663     // restore original "level.field" (needed to track playfield changes)
15664     CopyPlayfield(TileBackup, level.field);
15665   }
15666   else if (type_id == ED_TEXTBUTTON_ID_SAVE_LEVELSET)
15667   {
15668     char *levelset_subdir = getLevelSubdirFromSaveMode(levelset_save_mode);
15669
15670     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE &&
15671         leveldir_current->readonly)
15672     {
15673       Request("This level set is read-only!", REQ_CONFIRM);
15674
15675       return;
15676     }
15677
15678     if (strEqual(levelset_name, ""))
15679     {
15680       Request("Please enter level set title!", REQ_CONFIRM);
15681
15682       return;
15683     }
15684
15685     if (strEqual(levelset_author, ""))
15686     {
15687       Request("Please enter level set author!", REQ_CONFIRM);
15688
15689       return;
15690     }
15691
15692     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE)
15693     {
15694       if (UpdateUserLevelSet(levelset_subdir,
15695                              levelset_name,
15696                              levelset_author,
15697                              levelset_num_levels))
15698       {
15699         Request("Level set updated!", REQ_CONFIRM);
15700       }
15701       else
15702       {
15703         Request("Updating level set failed!", REQ_CONFIRM);
15704       }
15705     }
15706     else if (levelset_save_mode == LEVELSET_SAVE_MODE_CREATE)
15707     {
15708       if (level.changed && !Request("Level has changed! Discard changes?",
15709                                      REQ_ASK))
15710         return;
15711
15712       if (CreateUserLevelSet(levelset_subdir,
15713                              levelset_name,
15714                              levelset_author,
15715                              levelset_num_levels,
15716                              levelset_use_levelset_artwork))
15717       {
15718         if (levelset_copy_level_template)
15719           CopyLevelTemplateToUserLevelSet(levelset_subdir);
15720
15721         Request("New level set created!", REQ_CONFIRM);
15722
15723         AddUserLevelSetToLevelInfo(levelset_subdir);
15724         ChangeEditorToLevelSet(levelset_subdir);
15725       }
15726       else
15727       {
15728         Request("Creating new level set failed!", REQ_CONFIRM);
15729       }
15730     }
15731   }
15732   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
15733            custom_element.num_change_pages < MAX_CHANGE_PAGES)
15734   {
15735     struct ElementInfo *ei = &element_info[properties_element];
15736
15737     // when modifying custom element, ask for copying level template
15738     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
15739       return;
15740
15741     setElementChangePages(ei, ei->num_change_pages + 1);
15742
15743     // set new change page to be new current change page
15744     ei->current_change_page = ei->num_change_pages - 1;
15745     ei->change = &ei->change_page[ei->current_change_page];
15746
15747     setElementChangeInfoToDefaults(ei->change);
15748
15749     DrawPropertiesWindow();
15750
15751     level.changed = TRUE;
15752   }
15753   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
15754            custom_element.num_change_pages > MIN_CHANGE_PAGES)
15755   {
15756     struct ElementInfo *ei = &element_info[properties_element];
15757
15758     // when modifying custom element, ask for copying level template
15759     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
15760       return;
15761
15762     // copy all change pages after change page to be deleted
15763     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
15764       ei->change_page[i] = ei->change_page[i + 1];
15765
15766     setElementChangePages(ei, ei->num_change_pages - 1);
15767
15768     DrawPropertiesWindow();
15769
15770     level.changed = TRUE;
15771   }
15772 }
15773
15774 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
15775 {
15776   int type_id = gi->custom_type_id;
15777
15778   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
15779       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
15780   {
15781     struct ElementInfo *ei = &element_info[properties_element];
15782     int step = BUTTON_STEPSIZE(gi->event.button);
15783
15784     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
15785     ei->current_change_page += step;
15786
15787     if (ei->current_change_page < 0)
15788       ei->current_change_page = 0;
15789     else if (ei->current_change_page >= ei->num_change_pages)
15790       ei->current_change_page = ei->num_change_pages - 1;
15791
15792     DrawPropertiesWindow();
15793   }
15794   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
15795            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
15796   {
15797     struct ElementInfo *ei = &element_info[properties_element];
15798     int current_change_page = ei->current_change_page;
15799
15800     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
15801     {
15802       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
15803         ei->change_page[current_change_page];
15804     }
15805     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
15806     {
15807       // when modifying custom element, ask for copying level template
15808       if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
15809         return;
15810
15811       ei->change_page[current_change_page] =
15812         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
15813
15814       level.changed = TRUE;
15815     }
15816
15817     DrawPropertiesWindow();
15818   }
15819 }
15820
15821 static void HandleRadiobuttons(struct GadgetInfo *gi)
15822 {
15823   int type_id = gi->custom_type_id;
15824
15825   *radiobutton_info[type_id].value =
15826     radiobutton_info[type_id].checked_value;
15827
15828   // do not mark level as modified for certain non-level-changing gadgets
15829   if (type_id >= ED_RADIOBUTTON_ID_EDITOR_FIRST &&
15830       type_id <= ED_RADIOBUTTON_ID_EDITOR_LAST)
15831     return;
15832
15833   level.changed = TRUE;
15834 }
15835
15836 static void HandleCheckbuttons(struct GadgetInfo *gi)
15837 {
15838   int type_id = gi->custom_type_id;
15839
15840   *checkbutton_info[type_id].value ^= TRUE;
15841
15842   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
15843       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
15844       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
15845       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
15846          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
15847         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
15848          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
15849        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1))
15850   {
15851     CopyElementPropertiesToGame(properties_element);
15852   }
15853
15854   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
15855   {
15856     UpdateCustomElementGraphicGadgets();
15857   }
15858   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1 ||
15859            type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2)
15860   {
15861     boolean template_related_changes_found = FALSE;
15862     int i;
15863
15864     // check if any custom, group or empty elements have been changed
15865     for (i = 0; i < NUM_FILE_ELEMENTS; i++)
15866       if ((IS_CUSTOM_ELEMENT(i) ||
15867            IS_GROUP_ELEMENT(i) ||
15868            IS_EMPTY_ELEMENT(i)) &&
15869           element_info[i].modified_settings)
15870         template_related_changes_found = TRUE;
15871
15872     if (level.use_custom_template &&
15873         !fileExists(getGlobalLevelTemplateFilename()))
15874     {
15875       Request("No level template found!", REQ_CONFIRM);
15876
15877       level.use_custom_template = FALSE;
15878
15879       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
15880
15881       return;
15882     }
15883
15884     if (level.use_custom_template &&
15885         template_related_changes_found &&
15886         !Request("Discard changes and use level template?", REQ_ASK))
15887     {
15888       level.use_custom_template = FALSE;
15889
15890       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
15891
15892       return;
15893     }
15894
15895     if (!level.use_custom_template &&
15896         Request("Copy settings from level template?", REQ_ASK))
15897     {
15898       return;
15899     }
15900
15901     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
15902
15903     DrawEditModeWindow();
15904   }
15905   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3)
15906   {
15907     if (setup.editor.use_template_for_new_levels &&
15908         !fileExists(getGlobalLevelTemplateFilename()))
15909     {
15910       Request("No level template found!", REQ_CONFIRM);
15911
15912       return;
15913     }
15914
15915     if (setup.editor.use_template_for_new_levels &&
15916         level.changed &&
15917         !Request("Discard level and load template?", REQ_ASK))
15918     {
15919       return;
15920     }
15921
15922     if (!setup.editor.use_template_for_new_levels &&
15923         level.changed &&
15924         !Request("Discard level and use empty level?", REQ_ASK))
15925     {
15926       return;
15927     }
15928
15929     LoadLevel(level_nr);
15930     LoadScore(level_nr);
15931
15932     TapeErase();
15933
15934     ResetUndoBuffer();
15935     DrawEditModeWindow();
15936   }
15937   else if (type_id == ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS)
15938   {
15939     SetAutomaticNumberOfGemsNeeded();
15940   }
15941
15942   // do not mark level as modified for certain non-level-changing gadgets
15943   if ((type_id >= ED_CHECKBUTTON_ID_LEVELSET_FIRST &&
15944        type_id <= ED_CHECKBUTTON_ID_LEVELSET_LAST) ||
15945       (type_id >= ED_CHECKBUTTON_ID_EDITOR_FIRST &&
15946        type_id <= ED_CHECKBUTTON_ID_EDITOR_LAST &&
15947        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2) ||
15948       type_id == ED_CHECKBUTTON_ID_STICK_ELEMENT)
15949     return;
15950
15951   level.changed = TRUE;
15952 }
15953
15954 static void HandleControlButtons(struct GadgetInfo *gi)
15955 {
15956   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
15957   static int last_edit_mode = ED_MODE_DRAWING;
15958   static int last_custom_copy_mode = -1;
15959   static int last_button = 0;
15960   int id = gi->custom_id;
15961   int button = gi->event.button;
15962   int step = BUTTON_STEPSIZE(button);
15963   int new_element = BUTTON_ELEMENT(button);
15964   int last_properties_element = properties_element;
15965   int x, y;
15966
15967   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
15968     DrawLevelText(0, 0, 0, TEXT_END);
15969
15970   if (id < ED_NUM_CTRL1_BUTTONS &&
15971       id != GADGET_ID_SINGLE_ITEMS &&
15972       id != GADGET_ID_PICK_ELEMENT &&
15973       edit_mode != ED_MODE_DRAWING &&
15974       drawing_function != GADGET_ID_PICK_ELEMENT &&
15975       !(GetKeyModState() & KMOD_Control))
15976     ChangeEditModeWindow(ED_MODE_DRAWING);
15977
15978   // element copy mode active, but no element button pressed => deactivate
15979   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
15980     last_custom_copy_mode = -1;
15981
15982   // when showing palette on element buttons, change element of button used
15983   if (editor.palette.show_on_element_buttons &&
15984       id >= GADGET_ID_ELEMENT_LEFT && id <= GADGET_ID_ELEMENT_RIGHT)
15985   {
15986     last_button = id - GADGET_ID_ELEMENT_LEFT + 1;
15987
15988     id = GADGET_ID_PALETTE;
15989   }
15990
15991   switch (id)
15992   {
15993     case GADGET_ID_SCROLL_LEFT:
15994       if (level_xpos >= 0)
15995       {
15996         if (lev_fieldx < ed_fieldx - 2)
15997           break;
15998
15999         level_xpos -= step;
16000         if (level_xpos < -1)
16001           level_xpos = -1;
16002         if (button == 1)
16003           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
16004         else
16005           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16006
16007         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
16008                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
16009       }
16010       break;
16011
16012     case GADGET_ID_SCROLL_RIGHT:
16013       if (level_xpos <= lev_fieldx - ed_fieldx)
16014       {
16015         if (lev_fieldx < ed_fieldx - 2)
16016           break;
16017
16018         level_xpos += step;
16019         if (level_xpos > lev_fieldx - ed_fieldx + 1)
16020           level_xpos = lev_fieldx - ed_fieldx + 1;
16021         if (button == 1)
16022           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
16023         else
16024           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16025
16026         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
16027                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
16028       }
16029       break;
16030
16031     case GADGET_ID_SCROLL_UP:
16032       if (level_ypos >= 0)
16033       {
16034         if (lev_fieldy < ed_fieldy - 2)
16035           break;
16036
16037         level_ypos -= step;
16038         if (level_ypos < -1)
16039           level_ypos = -1;
16040         if (button == 1)
16041           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
16042         else
16043           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16044
16045         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
16046                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
16047       }
16048       break;
16049
16050     case GADGET_ID_SCROLL_DOWN:
16051       if (level_ypos <= lev_fieldy - ed_fieldy)
16052       {
16053         if (lev_fieldy < ed_fieldy - 2)
16054           break;
16055
16056         level_ypos += step;
16057         if (level_ypos > lev_fieldy - ed_fieldy + 1)
16058           level_ypos = lev_fieldy - ed_fieldy + 1;
16059         if (button == 1)
16060           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_UP);
16061         else
16062           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16063
16064         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
16065                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
16066       }
16067       break;
16068
16069     case GADGET_ID_SCROLL_HORIZONTAL:
16070       level_xpos = gi->event.item_position - 1;
16071
16072       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16073       BackToFront();
16074
16075       break;
16076
16077     case GADGET_ID_SCROLL_VERTICAL:
16078       level_ypos = gi->event.item_position - 1;
16079
16080       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16081       BackToFront();
16082
16083       break;
16084
16085     case GADGET_ID_SCROLL_LIST_UP:
16086     case GADGET_ID_SCROLL_LIST_DOWN:
16087     case GADGET_ID_SCROLL_LIST_VERTICAL:
16088       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
16089         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
16090       else
16091       {
16092         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
16093         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
16094
16095         if (element_shift < 0)
16096           element_shift = 0;
16097         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
16098           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
16099
16100         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
16101                      GDI_SCROLLBAR_ITEM_POSITION,
16102                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
16103       }
16104
16105       ModifyEditorElementList();
16106
16107       break;
16108
16109     case GADGET_ID_PROPERTIES:
16110       // always switch off element properties when they are already displayed
16111       last_properties_element = new_element;
16112     case GADGET_ID_ELEMENT_LEFT:
16113     case GADGET_ID_ELEMENT_MIDDLE:
16114     case GADGET_ID_ELEMENT_RIGHT:
16115       properties_element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
16116                             id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
16117                             id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 :
16118                             new_element);
16119
16120       if (edit_mode != ED_MODE_PROPERTIES)
16121       {
16122         last_edit_mode = edit_mode;
16123
16124         ChangeEditModeWindow(ED_MODE_PROPERTIES);
16125
16126         last_level_drawing_function = drawing_function;
16127         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
16128                       MB_LEFTBUTTON);
16129       }
16130       else if (properties_element != last_properties_element)
16131       {
16132         DrawEditModeWindow();
16133       }
16134       else
16135       {
16136         ChangeEditModeWindow(ED_MODE_DRAWING);
16137
16138         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
16139                       MB_LEFTBUTTON);
16140       }
16141       break;
16142
16143     case GADGET_ID_PALETTE:
16144       if (edit_mode != ED_MODE_PALETTE)
16145       {
16146         last_edit_mode = edit_mode;
16147
16148         ChangeEditModeWindow(ED_MODE_PALETTE);
16149       }
16150       else
16151       {
16152         ChangeEditModeWindow(last_edit_mode);
16153       }
16154       break;
16155
16156     case GADGET_ID_WRAP_LEFT:
16157       WrapLevel(-step, 0);
16158       break;
16159
16160     case GADGET_ID_WRAP_RIGHT:
16161       WrapLevel(step, 0);
16162       break;
16163
16164     case GADGET_ID_WRAP_UP:
16165       WrapLevel(0, -step);
16166       break;
16167
16168     case GADGET_ID_WRAP_DOWN:
16169       WrapLevel(0, step);
16170       break;
16171
16172     case GADGET_ID_SINGLE_ITEMS:
16173     case GADGET_ID_CONNECTED_ITEMS:
16174     case GADGET_ID_LINE:
16175     case GADGET_ID_ARC:
16176     case GADGET_ID_TEXT:
16177     case GADGET_ID_RECTANGLE:
16178     case GADGET_ID_FILLED_BOX:
16179     case GADGET_ID_FLOOD_FILL:
16180     case GADGET_ID_GRAB_BRUSH:
16181     case GADGET_ID_PICK_ELEMENT:
16182       if (drawing_function != GADGET_ID_PICK_ELEMENT)
16183         last_drawing_function = drawing_function;
16184       drawing_function = id;
16185       draw_with_brush = FALSE;
16186       break;
16187
16188     case GADGET_ID_RANDOM_PLACEMENT:
16189       RandomPlacement(new_element);
16190       break;
16191
16192     case GADGET_ID_ZOOM:
16193       // zoom level editor tile size in or out (or reset to default size)
16194       ed_tilesize = (button == 1 ? ed_tilesize * 2 :
16195                      button == 2 ? ed_tilesize_default :
16196                      button == 3 ? ed_tilesize / 2 : ed_tilesize);
16197
16198       // when using touch device, cycle through all zoom tilesizes
16199       if (runtime.uses_touch_device && ed_tilesize > TILESIZE)
16200         ed_tilesize = MICRO_TILESIZE;
16201
16202       // limit zoom level by upper and lower bound
16203       ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
16204
16205       InitZoomLevelSettings(ed_tilesize);
16206
16207       if (edit_mode == ED_MODE_DRAWING)
16208       {
16209         DrawDrawingWindow();
16210
16211         // redraw zoom gadget info text
16212         PrintEditorGadgetInfoText(level_editor_gadget[id]);
16213       }
16214
16215       // save current editor zoom tilesize
16216       SaveSetup_AutoSetup();
16217
16218       break;
16219
16220     case GADGET_ID_CUSTOM_COPY_FROM:
16221     case GADGET_ID_CUSTOM_COPY_TO:
16222     case GADGET_ID_CUSTOM_EXCHANGE:
16223       last_custom_copy_mode = id;
16224       last_drawing_function = drawing_function;
16225       break;
16226
16227     case GADGET_ID_CUSTOM_COPY:
16228       CopyCustomElement(properties_element, -1, id);
16229       break;
16230
16231     case GADGET_ID_CUSTOM_PASTE:
16232       CopyCustomElement(-1, properties_element, id);
16233       break;
16234
16235     case GADGET_ID_UNDO:
16236       if (button < 0)   // keep button value (even if modifier keys are pressed)
16237         button = -button;
16238       else if (button == 1 && GetKeyModState() & (KMOD_Shift | KMOD_Control))
16239         button = 3;
16240
16241       if (button == 1 && undo_buffer_steps == 0)
16242       {
16243         Request("Undo buffer empty!", REQ_CONFIRM);
16244
16245         break;
16246       }
16247       else if (button == 2)
16248       {
16249         break;
16250       }
16251       else if (button == 3 && redo_buffer_steps == 0)
16252       {
16253         Request("Redo buffer empty!", REQ_CONFIRM);
16254
16255         break;
16256       }
16257
16258       if (edit_mode != ED_MODE_DRAWING)
16259         ChangeEditModeWindow(ED_MODE_DRAWING);
16260
16261       if (button == 1)
16262       {
16263         // undo
16264
16265         undo_buffer_position =
16266           (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
16267
16268         undo_buffer_steps--;
16269         redo_buffer_steps++;
16270       }
16271       else
16272       {
16273         // redo
16274
16275         undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
16276
16277         undo_buffer_steps++;
16278         redo_buffer_steps--;
16279       }
16280
16281       for (x = 0; x < lev_fieldx; x++)
16282         for (y = 0; y < lev_fieldy; y++)
16283           Tile[x][y] = UndoBuffer[undo_buffer_position][x][y];
16284
16285       // check if undo operation forces change of border style
16286       CheckLevelBorderElement(FALSE);
16287
16288       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16289
16290       break;
16291
16292     case GADGET_ID_CONF:
16293       if (edit_mode != ED_MODE_LEVELCONFIG)
16294       {
16295         last_edit_mode = edit_mode;
16296
16297         ChangeEditModeWindow(ED_MODE_LEVELCONFIG);
16298       }
16299       else
16300       {
16301         ChangeEditModeWindow(ED_MODE_DRAWING);
16302       }
16303       break;
16304
16305     case GADGET_ID_CLEAR:
16306       if (edit_mode != ED_MODE_DRAWING)
16307         ChangeEditModeWindow(ED_MODE_DRAWING);
16308
16309       for (x = 0; x < MAX_LEV_FIELDX; x++)
16310         for (y = 0; y < MAX_LEV_FIELDY; y++)
16311           Tile[x][y] = (button == 1 ? EL_EMPTY : new_element);
16312
16313       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
16314
16315       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16316       break;
16317
16318     case GADGET_ID_SAVE:
16319     {
16320       // saving read-only levels into personal level set modifies global vars
16321       // "leveldir_current" and "level_nr"; restore them after saving level
16322       LevelDirTree *leveldir_former = leveldir_current;
16323       int level_nr_former = level_nr;
16324       char *level_filename;
16325       boolean new_level;
16326
16327       if (leveldir_current->readonly &&
16328           !PrepareSavingIntoPersonalLevelSet())
16329         break;
16330
16331       level_filename = getDefaultLevelFilename(level_nr);
16332       new_level = !fileExists(level_filename);
16333
16334       if (new_level ||
16335           Request("Save this level and kill the old?", REQ_ASK))
16336       {
16337         if (leveldir_former->readonly)
16338           ModifyLevelConfigForSavingIntoPersonalLevelSet(leveldir_former->name);
16339
16340         SetAutomaticNumberOfGemsNeeded();
16341
16342         CopyPlayfield(Tile, level.field);
16343         SaveLevel(level_nr);
16344
16345         level.changed = FALSE;
16346
16347         if (new_level)
16348         {
16349           char level_saved_msg[64];
16350
16351           if (leveldir_former->readonly)
16352             sprintf(level_saved_msg,
16353                     "Level saved as level %d into personal level set!",
16354                     level_nr);
16355           else
16356             strcpy(level_saved_msg, "Level saved!");
16357
16358           Request(level_saved_msg, REQ_CONFIRM);
16359         }
16360       }
16361
16362       // "cd" back to copied-from levelset (in case of saved read-only level)
16363       leveldir_current = leveldir_former;
16364       level_nr = level_nr_former;
16365
16366       break;
16367     }
16368
16369     case GADGET_ID_TEST:
16370       if (LevelChanged())
16371         level.game_version = GAME_VERSION_ACTUAL;
16372
16373       CopyPlayfield(level.field, TileBackup);
16374       CopyPlayfield(Tile, level.field);
16375
16376       CopyNativeLevel_RND_to_Native(&level);
16377
16378       UnmapLevelEditorGadgets();
16379       UndrawSpecialEditorDoor();
16380
16381       CloseDoor(DOOR_CLOSE_ALL);
16382
16383       // needed before playing if editor playfield area has different size
16384       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
16385
16386       // redraw_mask = REDRAW_ALL;
16387
16388       level_editor_test_game = TRUE;
16389
16390       StartGameActions(FALSE, setup.autorecord, level.random_seed);
16391
16392       break;
16393
16394     case GADGET_ID_EXIT:
16395       RequestExitLevelEditor(TRUE, FALSE);  // if level has changed, ask user
16396       break;
16397
16398     default:
16399       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
16400           id <= GADGET_ID_ELEMENTLIST_LAST)
16401       {
16402         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
16403
16404         new_element = editor_elements[element_position + element_shift];
16405
16406         if (IS_EDITOR_CASCADE(new_element))
16407         {
16408           int i;
16409
16410           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
16411           {
16412             int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
16413             boolean *cascade_value = editor_elements_info[i].setup_cascade_value;
16414
16415             if (*cascade_element == new_element)
16416             {
16417               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
16418               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
16419
16420               // update element selection list
16421               ReinitializeElementList();
16422               ModifyEditorElementList();
16423
16424               // update cascading gadget info text
16425               PrintEditorGadgetInfoText(level_editor_gadget[id]);
16426
16427               // save current editor cascading state
16428               SaveSetup_EditorCascade();
16429
16430               break;
16431             }
16432           }
16433
16434           break;
16435         }
16436
16437         if (last_custom_copy_mode != -1)
16438         {
16439           if (CopyCustomElement(properties_element, new_element,
16440                                 last_custom_copy_mode))
16441           {
16442             ClickOnGadget(level_editor_gadget[last_drawing_function],
16443                           MB_LEFTBUTTON);
16444
16445             last_custom_copy_mode = -1;
16446           }
16447
16448           break;
16449         }
16450
16451         // change element of button used to show palette
16452         if (editor.palette.show_on_element_buttons)
16453           button = last_button;
16454
16455         PickDrawingElement(button, new_element);
16456
16457         if (!stick_element_properties_window &&
16458             drawing_function != GADGET_ID_PICK_ELEMENT &&
16459             !(GetKeyModState() & KMOD_Control))
16460         {
16461           properties_element = new_element;
16462           if (edit_mode == ED_MODE_PROPERTIES)
16463             DrawPropertiesWindow();
16464         }
16465
16466         if (drawing_function == GADGET_ID_PICK_ELEMENT)
16467           ClickOnGadget(level_editor_gadget[last_drawing_function],
16468                         MB_LEFTBUTTON);
16469
16470         if (!use_permanent_palette)
16471           ChangeEditModeWindow(last_edit_mode);
16472       }
16473 #ifdef DEBUG
16474       else if (gi->event.type == GD_EVENT_PRESSED)
16475         Debug("editor", "default: HandleControlButtons: GD_EVENT_PRESSED(%d)", id);
16476       else if (gi->event.type == GD_EVENT_RELEASED)
16477         Debug("editor", "default: HandleControlButtons: GD_EVENT_RELEASED(%d)", id);
16478       else if (gi->event.type == GD_EVENT_MOVING)
16479         Debug("editor", "default: HandleControlButtons: GD_EVENT_MOVING(%d)", id);
16480       else
16481         Debug("editor", "default: HandleControlButtons: ? (id == %d)", id);
16482 #endif
16483       break;
16484   }
16485 }
16486
16487 void HandleLevelEditorKeyInput(Key key)
16488 {
16489   char letter = getCharFromKey(key);
16490
16491   if (drawing_function == GADGET_ID_TEXT &&
16492       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
16493   {
16494     if (letter)
16495       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
16496     else if (key == KSYM_Delete || key == KSYM_BackSpace)
16497       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
16498     else if (key == KSYM_Return)
16499       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
16500     else if (key == KSYM_Escape)
16501       DrawLevelText(0, 0, 0, TEXT_END);
16502
16503     return;
16504   }
16505
16506   int id = GADGET_ID_NONE;
16507   int new_element_shift = element_shift;
16508   int step = ED_ELEMENTLIST_BUTTONS_VERT - 1;
16509   int button = MB_LEFTBUTTON;
16510   int i;
16511
16512   switch (key)
16513   {
16514     case KSYM_Left:
16515       id = GADGET_ID_SCROLL_LEFT;
16516       break;
16517     case KSYM_Right:
16518       id = GADGET_ID_SCROLL_RIGHT;
16519       break;
16520     case KSYM_Up:
16521       id = GADGET_ID_SCROLL_UP;
16522       break;
16523     case KSYM_Down:
16524       id = GADGET_ID_SCROLL_DOWN;
16525       break;
16526
16527     case KSYM_Page_Up:
16528     case KSYM_Page_Down:
16529       step *= (key == KSYM_Page_Up ? -1 : +1);
16530       element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
16531
16532       if (element_shift < 0)
16533         element_shift = 0;
16534       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
16535         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
16536
16537       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
16538                    GDI_SCROLLBAR_ITEM_POSITION,
16539                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
16540
16541       ModifyEditorElementList();
16542
16543       break;
16544
16545     case KSYM_Home:
16546     case KSYM_End:
16547       element_shift = (key == KSYM_Home ? 0 :
16548                        num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
16549
16550       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
16551                    GDI_SCROLLBAR_ITEM_POSITION,
16552                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
16553
16554       ModifyEditorElementList();
16555
16556       break;
16557
16558     case KSYM_Insert:
16559     case KSYM_Delete:
16560
16561       // this is needed to prevent interference with running "True X-Mouse"
16562       if (GetKeyModStateFromEvents() & KMOD_Control)
16563         break;
16564
16565       // check for last or next editor cascade block in element list
16566       for (i = 0; i < num_editor_elements; i++)
16567       {
16568         if ((key == KSYM_Insert && i == element_shift) ||
16569             (key == KSYM_Delete && new_element_shift > element_shift))
16570           break;
16571
16572         // jump to next cascade block (or to start of element list)
16573         if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
16574           new_element_shift = i;
16575       }
16576
16577       if (i < num_editor_elements)
16578         element_shift = new_element_shift;
16579
16580       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
16581         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
16582
16583       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
16584                    GDI_SCROLLBAR_ITEM_POSITION,
16585                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
16586
16587       ModifyEditorElementList();
16588
16589       break;
16590
16591     case KSYM_Escape:
16592       if (edit_mode == ED_MODE_DRAWING)
16593         RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
16594       else if (edit_mode == ED_MODE_LEVELCONFIG)
16595         HandleControlButtons(level_editor_gadget[GADGET_ID_CONF]);
16596       else if (edit_mode == ED_MODE_PROPERTIES)
16597         HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
16598       else if (edit_mode == ED_MODE_PALETTE)
16599         HandleControlButtons(level_editor_gadget[GADGET_ID_PALETTE]);
16600       else              // should never happen
16601         ChangeEditModeWindow(ED_MODE_DRAWING);
16602
16603       break;
16604
16605     default:
16606       break;
16607   }
16608
16609   if (id != GADGET_ID_NONE)
16610     ClickOnGadget(level_editor_gadget[id], button);
16611   else if (letter == '1' || letter == '?')
16612     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_LEFT], button);
16613   else if (letter == '2')
16614     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_MIDDLE], button);
16615   else if (letter == '3')
16616     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_RIGHT], button);
16617   else if (letter == '.')
16618     ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
16619   else if (letter == 'U')
16620     ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
16621   else if (letter == '-' || key == KSYM_KP_Subtract)
16622     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 3);
16623   else if (letter == '0' || key == KSYM_KP_0)
16624     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 2);
16625   else if (letter == '+' || key == KSYM_KP_Add ||
16626            letter == '=')       // ("Shift-=" is "+" on US keyboards)
16627     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 1);
16628   else if (key == KSYM_Return ||
16629            key == KSYM_space ||
16630            key == setup.shortcut.toggle_pause)
16631     ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
16632   else
16633     for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
16634       if (letter && letter == controlbutton_info[i].shortcut)
16635         if (!anyTextGadgetActive())
16636           ClickOnGadget(level_editor_gadget[i], button);
16637
16638   if (draw_with_brush)
16639   {
16640     if (letter == 'x')
16641       FlipBrushX();
16642     else if (letter == 'y')
16643       FlipBrushY();
16644     else if (letter == 'z')
16645       RotateBrush();
16646   }
16647 }
16648
16649 static void HandleLevelEditorIdle_Properties(void)
16650 {
16651   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
16652   int x = editor.settings.element_graphic.x + element_border;
16653   int y = editor.settings.element_graphic.y + element_border;
16654   static DelayCounter action_delay = { 0 };
16655   int i;
16656
16657   action_delay.value = GameFrameDelay;
16658
16659   if (!DelayReached(&action_delay))
16660     return;
16661
16662   for (i = 0; i < ED_NUM_SELECTBOX; i++)
16663   {
16664     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
16665
16666     if (gi->mapped && gi->active && gi->selectbox.open)
16667       return;
16668   }
16669
16670   DrawEditorElementAnimation(SX + x, SY + y);
16671
16672   redraw_mask |= REDRAW_FIELD;
16673
16674   FrameCounter++;       // increase animation frame counter
16675 }
16676
16677 static void HandleLevelEditorIdle_Drawing(void)
16678 {
16679   static boolean last_highlighted = FALSE;
16680   static boolean last_highlighted_similar = FALSE;
16681   boolean highlighted = (GetKeyModState() & KMOD_Alt);
16682   boolean highlighted_similar = (GetKeyModState() & KMOD_Shift);
16683
16684   if (highlighted != last_highlighted ||
16685       (highlighted && highlighted_similar != last_highlighted_similar))
16686   {
16687     DrawAreaElementHighlight(highlighted, highlighted_similar);
16688
16689     redraw_mask |= REDRAW_FIELD;
16690   }
16691
16692   last_highlighted = highlighted;
16693   last_highlighted_similar = highlighted_similar;
16694 }
16695
16696 void HandleLevelEditorIdle(void)
16697 {
16698   if (edit_mode == ED_MODE_PROPERTIES)
16699     HandleLevelEditorIdle_Properties();
16700   else if (edit_mode == ED_MODE_DRAWING)
16701     HandleLevelEditorIdle_Drawing();
16702 }
16703
16704 static void ClearEditorGadgetInfoText(void)
16705 {
16706   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
16707 }
16708
16709 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
16710 {
16711   char infotext[MAX_OUTPUT_LINESIZE + 1];
16712   int max_infotext_len = getMaxInfoTextLength();
16713
16714   if (gi == NULL || strlen(gi->info_text) == 0)
16715     return;
16716
16717   strncpy(infotext, gi->info_text, max_infotext_len);
16718   infotext[max_infotext_len] = '\0';
16719
16720   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
16721   {
16722     int key = controlbutton_info[gi->custom_id].shortcut;
16723
16724     if (key)
16725     {
16726       char shortcut[MAX_OUTPUT_LINESIZE + 1];
16727
16728       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)
16729         sprintf(shortcut, " ('.' or '%c')", key);
16730       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT)
16731         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
16732       else if (gi->custom_id == GADGET_ID_TEST)
16733         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
16734       else if (gi->custom_id == GADGET_ID_UNDO)
16735         sprintf(shortcut, " ('%c/Shift-U')", key);
16736       else if (gi->custom_id == GADGET_ID_ZOOM)
16737         sprintf(shortcut, " ('%c', '0', '-')", key);
16738       else
16739         sprintf(shortcut, " ('%s%c')",
16740                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
16741
16742       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
16743         strcat(infotext, shortcut);
16744     }
16745   }
16746
16747   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, INFOTEXT_FONT);
16748 }
16749
16750 void HandleEditorGadgetInfoText(void *ptr)
16751 {
16752   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
16753
16754   if (game_status != GAME_MODE_EDITOR)
16755     return;
16756
16757   ClearEditorGadgetInfoText();
16758
16759   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
16760     return;
16761
16762   // misuse this function to delete brush cursor, if needed
16763   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
16764     DeleteBrushFromCursor();
16765
16766   PrintEditorGadgetInfoText(gi);
16767 }
16768
16769 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
16770 {
16771   int id = gi->custom_id;
16772   int type_id = gi->custom_type_id;
16773   int sx = gi->event.x;
16774   int sy = gi->event.y;
16775   int lx = sx + level_xpos;
16776   int ly = sy + level_ypos;
16777   int min_sx = 0, min_sy = 0;
16778   int max_sx = gi->drawing.area_xsize - 1;
16779   int max_sy = gi->drawing.area_ysize - 1;
16780   int actual_drawing_function = drawing_function;
16781   int max_infotext_len = getMaxInfoTextLength();
16782   char infotext[MAX_OUTPUT_LINESIZE + 1];
16783
16784   infotext[0] = '\0';           // start with empty info text
16785
16786   // pressed Control key: simulate picking element
16787   if (GetKeyModState() & KMOD_Control)
16788     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
16789
16790   ClearEditorGadgetInfoText();
16791
16792   if (gi->event.type == GD_EVENT_INFO_LEAVING)
16793     return;
16794
16795   // make sure to stay inside drawing area boundaries
16796   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
16797   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
16798
16799   if (id == GADGET_ID_DRAWING_LEVEL)
16800   {
16801     if (button_status)
16802     {
16803       int min_lx = 0, min_ly = 0;
16804       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
16805
16806       // get positions inside level field
16807       lx = sx + level_xpos;
16808       ly = sy + level_ypos;
16809
16810       // make sure to stay inside level field boundaries
16811       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
16812       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
16813
16814       // correct drawing area positions accordingly
16815       sx = lx - level_xpos;
16816       sy = ly - level_ypos;
16817     }
16818
16819     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
16820     {
16821       if (button_status)        // if (gi->state == GD_BUTTON_PRESSED)
16822       {
16823         static int start_lx = 0;
16824         static int start_ly = 0;
16825         char *text;
16826
16827         if (gi->event.type == GD_EVENT_PRESSED)
16828         {
16829           start_lx = lx;
16830           start_ly = ly;
16831         }
16832
16833         switch (actual_drawing_function)
16834         {
16835           case GADGET_ID_SINGLE_ITEMS:
16836             text = "Drawing single items";
16837             break;
16838           case GADGET_ID_CONNECTED_ITEMS:
16839             text = "Drawing connected items";
16840             break;
16841           case GADGET_ID_LINE:
16842             text = "Drawing line";
16843             break;
16844           case GADGET_ID_ARC:
16845             text = "Drawing arc";
16846             break;
16847           case GADGET_ID_TEXT:
16848             text = "Setting text cursor";
16849             break;
16850           case GADGET_ID_RECTANGLE:
16851             text = "Drawing rectangle";
16852             break;
16853           case GADGET_ID_FILLED_BOX:
16854             text = "Drawing filled box";
16855             break;
16856           case GADGET_ID_FLOOD_FILL:
16857             text = "Flood fill";
16858             break;
16859           case GADGET_ID_GRAB_BRUSH:
16860             text = "Grabbing brush";
16861             break;
16862           case GADGET_ID_PICK_ELEMENT:
16863             text = "Picking element";
16864             break;
16865
16866           default:
16867             text = "Drawing position";
16868             break;
16869         }
16870
16871         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
16872           sprintf(infotext, "%s: %d, %d", text, lx, ly);
16873         else
16874           sprintf(infotext, "%s: %d, %d", text,
16875                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
16876       }
16877       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
16878         strncpy(infotext, getElementInfoText(Tile[lx][ly]), max_infotext_len);
16879       else
16880         sprintf(infotext, "Level position: %d, %d", lx, ly);
16881     }
16882
16883     // misuse this function to draw brush cursor, if needed
16884     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
16885     {
16886       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
16887         CopyBrushToCursor(sx, sy);
16888       else
16889         DeleteBrushFromCursor();
16890     }
16891
16892     if (!draw_with_brush)
16893       UpdateBrushPosition(sx, sy);
16894   }
16895   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
16896   {
16897     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
16898     int element = drawingarea_info[type_id].value[pos];
16899
16900     strncpy(infotext, getElementInfoText(element), max_infotext_len);
16901   }
16902   else
16903   {
16904     if (id == GADGET_ID_CUSTOM_CONTENT)
16905       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
16906     else if (id == GADGET_ID_GROUP_CONTENT)
16907       sprintf(infotext, "group element position: %d", sx + 1);
16908     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
16909              id <= GADGET_ID_YAMYAM_CONTENT_7)
16910       sprintf(infotext, "content area %d position: %d, %d",
16911               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
16912     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
16913              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
16914       sprintf(infotext, "content area %d position: %d, %d",
16915               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
16916     else if (id == GADGET_ID_ANDROID_CONTENT)
16917       sprintf(infotext, "android element position: %d", sx + 1);
16918     else if (drawingarea_info[type_id].infotext != NULL)
16919       strcpy(infotext, drawingarea_info[type_id].infotext);
16920   }
16921
16922   infotext[max_infotext_len] = '\0';
16923
16924   if (strlen(infotext) > 0)
16925     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT, infotext);
16926 }
16927
16928 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
16929                             boolean quick_quit)
16930 {
16931   if (!ask_if_level_has_changed ||
16932       !LevelChanged() ||
16933       Request("Level has changed! Exit without saving?",
16934               REQ_ASK | REQ_STAY_OPEN))
16935   {
16936     struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
16937     struct RectWithBorder *vp_door_2 = &viewport.door_2[GAME_MODE_MAIN];
16938
16939     // draw normal door
16940     UndrawSpecialEditorDoor();
16941
16942     // use door animation if door 1 viewport is unchanged and contains toolbox
16943     if (useEditorDoorAnimation())
16944       CloseDoor(DOOR_CLOSE_1 | DOOR_FORCE_ANIM);
16945
16946     // close editor doors if viewport definition is the same as in main menu
16947     if (vp_door_1->x      == DX     &&
16948         vp_door_1->y      == DY     &&
16949         vp_door_1->width  == DXSIZE &&
16950         vp_door_1->height == DYSIZE &&
16951         vp_door_2->x      == VX     &&
16952         vp_door_2->y      == VY     &&
16953         vp_door_2->width  == VXSIZE &&
16954         vp_door_2->height == VYSIZE)
16955       CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
16956     else
16957       SetDoorState(DOOR_CLOSE_ALL);
16958
16959     BackToFront();
16960
16961     if (quick_quit)
16962       FadeSkipNextFadeIn();
16963
16964     SetGameStatus(GAME_MODE_MAIN);
16965
16966     DrawMainMenu();
16967   }
16968   else
16969   {
16970     if (!global.use_envelope_request)
16971     {
16972       CloseDoor(DOOR_CLOSE_1);
16973       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
16974     }
16975   }
16976 }