src/editor.c

   1 // ============================================================================
   2 // Rocks'n'Diamonds - McDuffin Strikes Back!
   3 // ----------------------------------------------------------------------------
   4 // (c) 1995-2014 by Artsoft Entertainment
   5 //                  Holger Schemel
   6 //                  info@artsoft.org
   7 //                  https://www.artsoft.org/
   8 // ----------------------------------------------------------------------------
   9 // editor.c
  10 // ============================================================================
  11
  12 #include <math.h>
  13
  14 #include "libgame/libgame.h"
  15
  16 #include "editor.h"
  17 #include "screens.h"
  18 #include "tools.h"
  19 #include "files.h"
  20 #include "game.h"
  21 #include "init.h"
  22 #include "tape.h"
  23
  24
  25 #define INFOTEXT_UNKNOWN_ELEMENT        "unknown"
  26
  27
  28 // ----------------------------------------------------------------------------
  29 // screen and artwork graphic pixel position definitions
  30 // ----------------------------------------------------------------------------
  31
  32 // values for the control window
  33 #define ED_CTRL1_BUTTONS_HORIZ          4       // toolbox
  34 #define ED_CTRL1_BUTTONS_VERT           4
  35 #define ED_CTRL2_BUTTONS_HORIZ          3       // level
  36 #define ED_CTRL2_BUTTONS_VERT           2
  37 #define ED_CTRL3_BUTTONS_HORIZ          3       // CE and GE
  38 #define ED_CTRL3_BUTTONS_VERT           1
  39 #define ED_CTRL4_BUTTONS_HORIZ          2       // CE and GE
  40 #define ED_CTRL4_BUTTONS_VERT           1
  41 #define ED_CTRL5_BUTTONS_HORIZ          1       // properties
  42 #define ED_CTRL5_BUTTONS_VERT           1
  43 #define ED_CTRL6_BUTTONS_HORIZ          3       // properties
  44 #define ED_CTRL6_BUTTONS_VERT           1
  45 #define ED_CTRL7_BUTTONS_HORIZ          1       // palette
  46 #define ED_CTRL7_BUTTONS_VERT           1
  47
  48 #define ED_NUM_CTRL1_BUTTONS   (ED_CTRL1_BUTTONS_HORIZ * ED_CTRL1_BUTTONS_VERT)
  49 #define ED_NUM_CTRL2_BUTTONS   (ED_CTRL2_BUTTONS_HORIZ * ED_CTRL2_BUTTONS_VERT)
  50 #define ED_NUM_CTRL3_BUTTONS   (ED_CTRL3_BUTTONS_HORIZ * ED_CTRL3_BUTTONS_VERT)
  51 #define ED_NUM_CTRL4_BUTTONS   (ED_CTRL4_BUTTONS_HORIZ * ED_CTRL4_BUTTONS_VERT)
  52 #define ED_NUM_CTRL5_BUTTONS   (ED_CTRL5_BUTTONS_HORIZ * ED_CTRL5_BUTTONS_VERT)
  53 #define ED_NUM_CTRL6_BUTTONS   (ED_CTRL6_BUTTONS_HORIZ * ED_CTRL6_BUTTONS_VERT)
  54 #define ED_NUM_CTRL7_BUTTONS   (ED_CTRL7_BUTTONS_HORIZ * ED_CTRL7_BUTTONS_VERT)
  55 #define ED_NUM_CTRL1_2_BUTTONS (ED_NUM_CTRL1_BUTTONS   + ED_NUM_CTRL2_BUTTONS)
  56 #define ED_NUM_CTRL1_3_BUTTONS (ED_NUM_CTRL1_2_BUTTONS + ED_NUM_CTRL3_BUTTONS)
  57 #define ED_NUM_CTRL1_4_BUTTONS (ED_NUM_CTRL1_3_BUTTONS + ED_NUM_CTRL4_BUTTONS)
  58 #define ED_NUM_CTRL1_5_BUTTONS (ED_NUM_CTRL1_4_BUTTONS + ED_NUM_CTRL5_BUTTONS)
  59 #define ED_NUM_CTRL1_6_BUTTONS (ED_NUM_CTRL1_5_BUTTONS + ED_NUM_CTRL6_BUTTONS)
  60 #define ED_NUM_CTRL1_7_BUTTONS (ED_NUM_CTRL1_6_BUTTONS + ED_NUM_CTRL7_BUTTONS)
  61 #define ED_NUM_CTRL_BUTTONS    ED_NUM_CTRL1_7_BUTTONS
  62
  63 // values for the element list
  64 #define ED_ELEMENTLIST_XPOS             (editor.palette.x)
  65 #define ED_ELEMENTLIST_YPOS             (editor.palette.y)
  66 #define ED_ELEMENTLIST_XSIZE            (graphic_info[IMG_EDITOR_PALETTE_BUTTON].width)
  67 #define ED_ELEMENTLIST_YSIZE            (graphic_info[IMG_EDITOR_PALETTE_BUTTON].height)
  68 #define ED_ELEMENTLIST_COLS             MAX(1, editor.palette.cols)
  69 #define ED_ELEMENTLIST_ROWS             MAX(1, editor.palette.rows)
  70 #define ED_ELEMENTLIST_BUTTONS_HORIZ    (ED_ELEMENTLIST_COLS)
  71 #define ED_ELEMENTLIST_BUTTONS_VERT     (ED_ELEMENTLIST_ROWS)
  72 #define ED_NUM_ELEMENTLIST_BUTTONS      (ED_ELEMENTLIST_BUTTONS_HORIZ * \
  73                                          ED_ELEMENTLIST_BUTTONS_VERT)
  74
  75 // standard distances
  76 #define ED_GADGET_NORMAL_DISTANCE       (editor.gadget.normal_spacing)
  77 #define ED_GADGET_SMALL_DISTANCE        (editor.gadget.small_spacing)
  78 #define ED_GADGET_TINY_DISTANCE         (editor.gadget.tiny_spacing)
  79 #define ED_GADGET_LINE_DISTANCE         (editor.gadget.line_spacing)
  80 #define ED_GADGET_TEXT_DISTANCE         (editor.gadget.text_spacing)
  81 #define ED_TAB_BAR_HEIGHT               (editor.gadget.separator_line.height)
  82 #define ED_DRAWINGAREA_TEXT_DISTANCE    (ED_GADGET_TEXT_DISTANCE +      \
  83                                          ED_DRAWINGAREA_BORDER_SIZE)
  84 #define ED_GADGET_SPACE_DISTANCE        (getFontWidth(FONT_TEXT_1))
  85
  86 // values for drawingarea gadgets
  87 #define IMG_BORDER_1                    IMG_EDITOR_ELEMENT_BORDER
  88 #define IMG_BORDER_2                    IMG_EDITOR_ELEMENT_BORDER_INPUT
  89 #define ED_ELEMENT_BORDER               (graphic_info[IMG_BORDER_1].border_size)
  90 #define ED_DRAWINGAREA_BORDER_SIZE      (graphic_info[IMG_BORDER_2].border_size)
  91 #define ED_DRAWINGAREA_TILE_SIZE        (editor.drawingarea.tile_size)
  92
  93 // values for checkbutton gadgets
  94 #define ED_CHECKBUTTON_XSIZE         (graphic_info[IMG_EDITOR_CHECKBOX].width)
  95 #define ED_CHECKBUTTON_YSIZE         (graphic_info[IMG_EDITOR_CHECKBOX].height)
  96
  97 #define ED_TABBUTTON_XSIZE           (graphic_info[IMG_EDITOR_TABBUTTON].width)
  98 #define ED_TABBUTTON_YSIZE           (graphic_info[IMG_EDITOR_TABBUTTON].height)
  99
 100 #define ED_SETTINGS_LEVEL_TABS_X        (editor.settings.tabs.x)
 101 #define ED_SETTINGS_LEVEL_TABS_Y        (editor.settings.tabs.y)
 102 #define ED_SETTINGS_ELEMENT_TABS_X      (editor.settings.tabs.x)
 103 #define ED_SETTINGS_ELEMENT_TABS_Y      (editor.settings.tabs.y +       \
 104                                          editor.settings.tabs.yoffset2)
 105
 106 #define ED_SETTINGS_TABS_XOFFSET        (editor.settings.tabs.draw_xoffset)
 107 #define ED_SETTINGS_TABS_YOFFSET        (editor.settings.tabs.draw_yoffset)
 108
 109 #define ED_LEVEL_TABS_XSTART            (ED_SETTINGS_LEVEL_TABS_X)
 110 #define ED_LEVEL_TABS_YSTART            (ED_SETTINGS_LEVEL_TABS_Y)
 111 #define ED_LEVEL_SETTINGS_XSTART        (ED_SETTINGS_LEVEL_TABS_X +     \
 112                                          ED_SETTINGS_TABS_XOFFSET)
 113 #define ED_LEVEL_SETTINGS_YSTART        (ED_SETTINGS_LEVEL_TABS_Y +     \
 114                                          ED_TABBUTTON_YSIZE +           \
 115                                          ED_GADGET_TINY_DISTANCE +      \
 116                                          ED_TAB_BAR_HEIGHT +            \
 117                                          ED_SETTINGS_TABS_YOFFSET +     \
 118                                          getFontHeight(FONT_TEXT_1) +   \
 119                                          ED_GADGET_TEXT_DISTANCE)
 120 #define ED_ELEMENT_TABS_XSTART          (ED_SETTINGS_ELEMENT_TABS_X)
 121 #define ED_ELEMENT_TABS_YSTART          (ED_SETTINGS_ELEMENT_TABS_Y)
 122 #define ED_ELEMENT_SETTINGS_XSTART      (ED_SETTINGS_ELEMENT_TABS_X +   \
 123                                          ED_SETTINGS_TABS_XOFFSET)
 124 #define ED_ELEMENT_SETTINGS_YSTART      (ED_SETTINGS_ELEMENT_TABS_Y +   \
 125                                          ED_TABBUTTON_YSIZE +           \
 126                                          ED_GADGET_TINY_DISTANCE +      \
 127                                          ED_TAB_BAR_HEIGHT +            \
 128                                          ED_SETTINGS_TABS_YOFFSET)
 129
 130 #define ED_SETTINGS_XOFFSET             (ED_CHECKBUTTON_XSIZE +         \
 131                                          ED_GADGET_TEXT_DISTANCE)
 132 #define ED_SETTINGS_YOFFSET             (ED_CHECKBUTTON_YSIZE +         \
 133                                          ED_GADGET_LINE_DISTANCE)
 134
 135 #define ED_POS_RANGE                    (10000)
 136 #define ED_POS_LEVEL_TABS_FIRST         (1 * ED_POS_RANGE)
 137 #define ED_POS_LEVEL_TABS_LAST          (2 * ED_POS_RANGE - 1)
 138 #define ED_POS_LEVEL_SETTINGS_FIRST     (2 * ED_POS_RANGE)
 139 #define ED_POS_LEVEL_SETTINGS_LAST      (3 * ED_POS_RANGE - 1)
 140 #define ED_POS_ELEMENT_TABS_FIRST       (3 * ED_POS_RANGE)
 141 #define ED_POS_ELEMENT_TABS_LAST        (4 * ED_POS_RANGE - 1)
 142 #define ED_POS_ELEMENT_SETTINGS_FIRST   (4 * ED_POS_RANGE)
 143 #define ED_POS_ELEMENT_SETTINGS_LAST    (5 * ED_POS_RANGE - 1)
 144
 145 #define ED_LEVEL_TABS_XPOS(n)           (ED_POS_LEVEL_TABS_FIRST + (n))
 146 #define ED_LEVEL_TABS_YPOS(n)           (ED_POS_LEVEL_TABS_FIRST + (n))
 147
 148 #define ED_LEVEL_SETTINGS_XPOS(n)       (ED_POS_LEVEL_SETTINGS_FIRST + (n))
 149 #define ED_LEVEL_SETTINGS_YPOS(n)       (ED_POS_LEVEL_SETTINGS_FIRST + (n))
 150
 151 #define ED_ELEMENT_TABS_XPOS(n)         (ED_POS_ELEMENT_TABS_FIRST + (n))
 152 #define ED_ELEMENT_TABS_YPOS(n)         (ED_POS_ELEMENT_TABS_FIRST + (n))
 153
 154 #define ED_ELEMENT_SETTINGS_XPOS(n)     (ED_POS_ELEMENT_SETTINGS_FIRST + (n))
 155 #define ED_ELEMENT_SETTINGS_YPOS(n)     (ED_POS_ELEMENT_SETTINGS_FIRST + (n))
 156
 157 #define IS_POS_LEVEL_TABS(n)          ((n) >= ED_POS_LEVEL_TABS_FIRST && \
 158                                        (n) <= ED_POS_LEVEL_TABS_LAST)
 159 #define IS_POS_LEVEL_SETTINGS(n)      ((n) >= ED_POS_LEVEL_SETTINGS_FIRST && \
 160                                        (n) <= ED_POS_LEVEL_SETTINGS_LAST)
 161 #define IS_POS_ELEMENT_TABS(n)        ((n) >= ED_POS_ELEMENT_TABS_FIRST && \
 162                                        (n) <= ED_POS_ELEMENT_TABS_LAST)
 163 #define IS_POS_ELEMENT_SETTINGS(n)    ((n) >= ED_POS_ELEMENT_SETTINGS_FIRST && \
 164                                        (n) <= ED_POS_ELEMENT_SETTINGS_LAST)
 165
 166 #define ED_LEVEL_TABS_LINE(n)           ((n) - ED_POS_LEVEL_TABS_FIRST)
 167 #define ED_LEVEL_SETTINGS_LINE(n)       ((n) - ED_POS_LEVEL_SETTINGS_FIRST)
 168 #define ED_ELEMENT_TABS_LINE(n)         ((n) - ED_POS_ELEMENT_TABS_FIRST)
 169 #define ED_ELEMENT_SETTINGS_LINE(n)     ((n) - ED_POS_ELEMENT_SETTINGS_FIRST)
 170
 171 #define ED_LEVEL_TABS_X(n)              (ED_LEVEL_TABS_XSTART + \
 172                                          (n) * ED_SETTINGS_TABS_XOFFSET)
 173 #define ED_LEVEL_TABS_Y(n)              (ED_LEVEL_TABS_YSTART + \
 174                                          (n) * ED_SETTINGS_TABS_YOFFSET)
 175
 176 #define ED_LEVEL_SETTINGS_X(n)          (ED_LEVEL_SETTINGS_XSTART +     \
 177                                          (n) * ED_SETTINGS_XOFFSET)
 178 #define ED_LEVEL_SETTINGS_Y(n)          (ED_LEVEL_SETTINGS_YSTART +     \
 179                                          (n) * ED_SETTINGS_YOFFSET)
 180
 181 #define ED_ELEMENT_TABS_X(n)            (ED_ELEMENT_TABS_XSTART +       \
 182                                          (n) * ED_SETTINGS_TABS_XOFFSET)
 183 #define ED_ELEMENT_TABS_Y(n)            (ED_ELEMENT_TABS_YSTART +       \
 184                                          (n) * ED_SETTINGS_TABS_YOFFSET)
 185
 186 #define ED_ELEMENT_SETTINGS_X(n)        (ED_ELEMENT_SETTINGS_XSTART +   \
 187                                          (n) * ED_SETTINGS_XOFFSET)
 188 #define ED_ELEMENT_SETTINGS_Y(n)        (ED_ELEMENT_SETTINGS_YSTART +   \
 189                                          (n) * ED_SETTINGS_YOFFSET)
 190
 191 #define ED_POS_TO_LEVEL_TABS_X(n)       \
 192   (ED_LEVEL_TABS_X(ED_LEVEL_TABS_LINE(n)))
 193 #define ED_POS_TO_LEVEL_TABS_Y(n)       \
 194   (ED_LEVEL_TABS_Y(ED_LEVEL_TABS_LINE(n)))
 195
 196 #define ED_POS_TO_LEVEL_SETTINGS_X(n)   \
 197   (ED_LEVEL_SETTINGS_X(ED_LEVEL_SETTINGS_LINE(n)))
 198 #define ED_POS_TO_LEVEL_SETTINGS_Y(n)   \
 199   (ED_LEVEL_SETTINGS_Y(ED_LEVEL_SETTINGS_LINE(n)))
 200
 201 #define ED_POS_TO_ELEMENT_TABS_X(n)     \
 202   (ED_ELEMENT_TABS_X(ED_ELEMENT_TABS_LINE(n)))
 203 #define ED_POS_TO_ELEMENT_TABS_Y(n)     \
 204   (ED_ELEMENT_TABS_Y(ED_ELEMENT_TABS_LINE(n)))
 205
 206 #define ED_POS_TO_ELEMENT_SETTINGS_X(n) \
 207   (ED_ELEMENT_SETTINGS_X(ED_ELEMENT_SETTINGS_LINE(n)))
 208 #define ED_POS_TO_ELEMENT_SETTINGS_Y(n) \
 209   (ED_ELEMENT_SETTINGS_Y(ED_ELEMENT_SETTINGS_LINE(n)))
 210
 211 #define ED_SETTINGS_X(n)                (IS_POS_LEVEL_TABS(n) ? \
 212                                          ED_POS_TO_LEVEL_TABS_X(n) : \
 213                                          IS_POS_LEVEL_SETTINGS(n) ?     \
 214                                          ED_POS_TO_LEVEL_SETTINGS_X(n) : \
 215                                          IS_POS_ELEMENT_TABS(n) ?       \
 216                                          ED_POS_TO_ELEMENT_TABS_X(n) : \
 217                                          IS_POS_ELEMENT_SETTINGS(n) ?   \
 218                                          ED_POS_TO_ELEMENT_SETTINGS_X(n) : (n))
 219 #define ED_SETTINGS_Y(n)                (IS_POS_LEVEL_TABS(n) ? \
 220                                          ED_POS_TO_LEVEL_TABS_Y(n) : \
 221                                          IS_POS_LEVEL_SETTINGS(n) ?     \
 222                                          ED_POS_TO_LEVEL_SETTINGS_Y(n) : \
 223                                          IS_POS_ELEMENT_TABS(n) ?       \
 224                                          ED_POS_TO_ELEMENT_TABS_Y(n) : \
 225                                          IS_POS_ELEMENT_SETTINGS(n) ?   \
 226                                          ED_POS_TO_ELEMENT_SETTINGS_Y(n) : (n))
 227
 228 #define ED_SETTINGS_XOFF(n)             (5 * ((n) % 4) *                \
 229                                          ED_DRAWINGAREA_TILE_SIZE)
 230 #define ED_SETTINGS_YOFF(n)             (5 * ((n) / 4) *                \
 231                                          ED_DRAWINGAREA_TILE_SIZE)
 232
 233 #define ED_AREA_XOFFSET_1(n)            ((n) != 0 ?                     \
 234                                          ED_DRAWINGAREA_BORDER_SIZE : 0)
 235 #define ED_AREA_YOFFSET_1(n)            ((n) != 0 ?                     \
 236                                          (ED_CHECKBUTTON_YSIZE -        \
 237                                           ED_DRAWINGAREA_TILE_SIZE) / 2 : 0)
 238
 239 #define ED_AREA_XOFFSET_2(n)      (0)
 240 #define ED_AREA_YOFFSET_2(n)      ((n) == 3 ?                   \
 241                                    ((n) - 1) * ED_DRAWINGAREA_TILE_SIZE / 2 : 0)
 242
 243 #define ED_AREA_SETTINGS_X(i)      (ED_SETTINGS_X((i).x) +              \
 244                                     ED_SETTINGS_XOFF((i).xoffset) +     \
 245                                     ED_AREA_XOFFSET_1((i).x) -          \
 246                                     ED_AREA_XOFFSET_2((i).area_xsize))
 247 #define ED_AREA_SETTINGS_Y(i)      (ED_SETTINGS_Y((i).y) +              \
 248                                     ED_SETTINGS_YOFF((i).yoffset) +     \
 249                                     ED_AREA_YOFFSET_1((i).y) -          \
 250                                     ED_AREA_YOFFSET_2((i).area_ysize))
 251
 252 // values for element content drawing areas
 253 #define ED_AREA_1X1_LSETTINGS_XPOS(n)   ED_LEVEL_SETTINGS_XPOS(n)
 254 #define ED_AREA_1X1_LSETTINGS_YPOS(n)   ED_LEVEL_SETTINGS_YPOS(n)
 255 #define ED_AREA_1X1_LSETTINGS_XOFF      (0)
 256 #define ED_AREA_1X1_LSETTINGS_YOFF      (0)
 257
 258 #define ED_AREA_1X1_SETTINGS_XPOS(n)    ED_ELEMENT_SETTINGS_XPOS(n)
 259 #define ED_AREA_1X1_SETTINGS_YPOS(n)    ED_ELEMENT_SETTINGS_YPOS(n)
 260 #define ED_AREA_1X1_SETTINGS_XOFF       (0)
 261 #define ED_AREA_1X1_SETTINGS_YOFF       (0)
 262
 263 #define ED_AREA_3X3_SETTINGS_XPOS(n)    ED_ELEMENT_SETTINGS_XPOS(n)
 264 #define ED_AREA_3X3_SETTINGS_YPOS(n)    ED_ELEMENT_SETTINGS_YPOS(n)
 265 #define ED_AREA_3X3_SETTINGS_XOFF       (0)
 266 #define ED_AREA_3X3_SETTINGS_YOFF       (0)
 267
 268 // element content
 269 #define ED_AREA_ELEMENT_CONTENT_XOFF(n) (n)
 270 #define ED_AREA_ELEMENT_CONTENT_YOFF(n) (n)
 271
 272 // yamyam content
 273 #define ED_XPOS_YAM                     0
 274 #define ED_YPOS_YAM                     5
 275 #define ED_AREA_YAMYAM_CONTENT_XPOS     ED_ELEMENT_SETTINGS_XPOS(ED_XPOS_YAM)
 276 #define ED_AREA_YAMYAM_CONTENT_YPOS     ED_ELEMENT_SETTINGS_YPOS(ED_YPOS_YAM)
 277 #define ED_AREA_YAMYAM_CONTENT_XOFF(n)  ED_AREA_ELEMENT_CONTENT_XOFF(n)
 278 #define ED_AREA_YAMYAM_CONTENT_YOFF(n)  ED_AREA_ELEMENT_CONTENT_YOFF(n)
 279 #define ED_AREA_YAMYAM_CONTENT_X(n)     (ED_ELEMENT_SETTINGS_X(ED_XPOS_YAM) + \
 280                                          ED_SETTINGS_XOFF(n))
 281 #define ED_AREA_YAMYAM_CONTENT_Y(n)     (ED_ELEMENT_SETTINGS_Y(ED_YPOS_YAM) + \
 282                                          ED_SETTINGS_YOFF(n) +          \
 283                                          ED_AREA_YOFFSET_1(ED_YPOS_YAM) - \
 284                                          ED_AREA_YOFFSET_2(3))
 285
 286 // magic ball content
 287 #define ED_XPOS_BALL                    0
 288 #define ED_YPOS_BALL                    6
 289 #define ED_AREA_MAGIC_BALL_CONTENT_XPOS ED_ELEMENT_SETTINGS_XPOS(ED_XPOS_BALL)
 290 #define ED_AREA_MAGIC_BALL_CONTENT_YPOS ED_ELEMENT_SETTINGS_YPOS(ED_YPOS_BALL)
 291 #define ED_AREA_MAGIC_BALL_CONTENT_XOFF(n) ED_AREA_ELEMENT_CONTENT_XOFF(n)
 292 #define ED_AREA_MAGIC_BALL_CONTENT_YOFF(n) ED_AREA_ELEMENT_CONTENT_YOFF(n)
 293 #define ED_AREA_MAGIC_BALL_CONTENT_X(n) (ED_ELEMENT_SETTINGS_X(ED_XPOS_BALL) + \
 294                                          ED_SETTINGS_XOFF(n))
 295 #define ED_AREA_MAGIC_BALL_CONTENT_Y(n) (ED_ELEMENT_SETTINGS_Y(ED_YPOS_BALL) + \
 296                                          ED_SETTINGS_YOFF(n) +          \
 297                                          ED_AREA_YOFFSET_1(ED_YPOS_BALL) - \
 298                                          ED_AREA_YOFFSET_2(3))
 299
 300 // values for scrolling gadgets for drawing area
 301 #define ED_SCROLLBUTTON_XSIZE           (graphic_info[IMG_EDITOR_PLAYFIELD_SCROLLBAR].width)
 302 #define ED_SCROLLBUTTON_YSIZE           (graphic_info[IMG_EDITOR_PLAYFIELD_SCROLLBAR].height)
 303
 304 #define ED_SCROLL_UP_XPOS               (SXSIZE - ED_SCROLLBUTTON_XSIZE)
 305 #define ED_SCROLL_UP_YPOS               (0)
 306 #define ED_SCROLL_DOWN_XPOS             ED_SCROLL_UP_XPOS
 307 #define ED_SCROLL_DOWN_YPOS             (SYSIZE - 3 * ED_SCROLLBUTTON_YSIZE)
 308 #define ED_SCROLL_LEFT_XPOS             (0)
 309 #define ED_SCROLL_LEFT_YPOS             (SYSIZE - 2 * ED_SCROLLBUTTON_YSIZE)
 310 #define ED_SCROLL_RIGHT_XPOS            (SXSIZE - 2 * ED_SCROLLBUTTON_XSIZE)
 311 #define ED_SCROLL_RIGHT_YPOS            ED_SCROLL_LEFT_YPOS
 312 #define ED_SCROLL_HORIZONTAL_XPOS       (ED_SCROLL_LEFT_XPOS +          \
 313                                          ED_SCROLLBUTTON_XSIZE)
 314 #define ED_SCROLL_HORIZONTAL_YPOS       ED_SCROLL_LEFT_YPOS
 315 #define ED_SCROLL_HORIZONTAL_XSIZE      (SXSIZE - 3 * ED_SCROLLBUTTON_XSIZE)
 316 #define ED_SCROLL_HORIZONTAL_YSIZE      ED_SCROLLBUTTON_YSIZE
 317 #define ED_SCROLL_VERTICAL_XPOS         ED_SCROLL_UP_XPOS
 318 #define ED_SCROLL_VERTICAL_YPOS         (ED_SCROLL_UP_YPOS +            \
 319                                          ED_SCROLLBUTTON_YSIZE)
 320 #define ED_SCROLL_VERTICAL_XSIZE        ED_SCROLLBUTTON_XSIZE
 321 #define ED_SCROLL_VERTICAL_YSIZE        (SYSIZE - 4 * ED_SCROLLBUTTON_YSIZE)
 322
 323 // values for scrolling gadgets for element list
 324 #define ED_SCROLLBUTTON2_XSIZE          (graphic_info[IMG_EDITOR_PALETTE_SCROLL_UP].width)
 325 #define ED_SCROLLBUTTON2_YSIZE          (graphic_info[IMG_EDITOR_PALETTE_SCROLL_UP].height)
 326
 327 #define ED_SCROLL2_UP_XPOS              (ED_ELEMENTLIST_XPOS +          \
 328                                          ED_ELEMENTLIST_BUTTONS_HORIZ * \
 329                                          ED_ELEMENTLIST_XSIZE)
 330 #define ED_SCROLL2_UP_YPOS              ED_ELEMENTLIST_YPOS
 331 #define ED_SCROLL2_DOWN_XPOS            ED_SCROLL2_UP_XPOS
 332 #define ED_SCROLL2_DOWN_YPOS            (ED_SCROLL2_UP_YPOS +           \
 333                                          ED_ELEMENTLIST_BUTTONS_VERT *  \
 334                                          ED_ELEMENTLIST_YSIZE -         \
 335                                          ED_SCROLLBUTTON2_YSIZE)
 336 #define ED_SCROLL2_VERTICAL_XPOS        ED_SCROLL2_UP_XPOS
 337 #define ED_SCROLL2_VERTICAL_YPOS        (ED_SCROLL2_UP_YPOS +           \
 338                                          ED_SCROLLBUTTON2_YSIZE)
 339 #define ED_SCROLL2_VERTICAL_XSIZE       ED_SCROLLBUTTON2_XSIZE
 340 #define ED_SCROLL2_VERTICAL_YSIZE       (ED_ELEMENTLIST_BUTTONS_VERT *  \
 341                                          ED_ELEMENTLIST_YSIZE -         \
 342                                          2 * ED_SCROLLBUTTON2_YSIZE)
 343
 344 // values for ClearEditorGadgetInfoText() and HandleEditorGadgetInfoText()
 345 #define INFOTEXT_FONT           FONT_TEXT_2
 346 #define INFOTEXT_XSIZE          SXSIZE
 347 #define INFOTEXT_YSIZE          getFontHeight(INFOTEXT_FONT)
 348 #define INFOTEXT_YSIZE_FULL     (INFOTEXT_YSIZE + ED_GADGET_SMALL_DISTANCE)
 349 #define INFOTEXT_X              (editor.settings.tooltip.x)
 350 #define INFOTEXT_Y              (editor.settings.tooltip.y)
 351 #define INFOTEXT_XY_REDEFINED   (INFOTEXT_X != -1 || INFOTEXT_Y != -1)
 352 #define INFOTEXT_XPOS           SX + (INFOTEXT_XY_REDEFINED ? INFOTEXT_X : 0)
 353 #define INFOTEXT_YPOS           SY + (INFOTEXT_XY_REDEFINED ? INFOTEXT_Y : \
 354                                       SYSIZE - INFOTEXT_YSIZE)
 355
 356
 357 // ----------------------------------------------------------------------------
 358 // editor gadget definitions
 359 // ----------------------------------------------------------------------------
 360
 361 enum
 362 {
 363   GADGET_ID_NONE = -1,
 364
 365   // drawing toolbox buttons
 366
 367   GADGET_ID_SINGLE_ITEMS,
 368   GADGET_ID_CONNECTED_ITEMS,
 369   GADGET_ID_LINE,
 370   GADGET_ID_ARC,
 371   GADGET_ID_RECTANGLE,
 372   GADGET_ID_FILLED_BOX,
 373   GADGET_ID_WRAP_UP,
 374   GADGET_ID_TEXT,
 375   GADGET_ID_FLOOD_FILL,
 376   GADGET_ID_WRAP_LEFT,
 377   GADGET_ID_ZOOM,
 378   GADGET_ID_WRAP_RIGHT,
 379   GADGET_ID_RANDOM_PLACEMENT,
 380   GADGET_ID_GRAB_BRUSH,
 381   GADGET_ID_WRAP_DOWN,
 382   GADGET_ID_PICK_ELEMENT,
 383
 384   GADGET_ID_UNDO,
 385   GADGET_ID_CONF,
 386   GADGET_ID_SAVE,
 387   GADGET_ID_CLEAR,
 388   GADGET_ID_TEST,
 389   GADGET_ID_EXIT,
 390
 391   GADGET_ID_CUSTOM_COPY_FROM,
 392   GADGET_ID_CUSTOM_COPY_TO,
 393   GADGET_ID_CUSTOM_EXCHANGE,
 394   GADGET_ID_CUSTOM_COPY,
 395   GADGET_ID_CUSTOM_PASTE,
 396
 397   GADGET_ID_PROPERTIES,
 398   GADGET_ID_ELEMENT_LEFT,
 399   GADGET_ID_ELEMENT_MIDDLE,
 400   GADGET_ID_ELEMENT_RIGHT,
 401   GADGET_ID_PALETTE,
 402
 403   // counter gadget identifiers
 404
 405   GADGET_ID_SELECT_LEVEL_DOWN,
 406   GADGET_ID_SELECT_LEVEL_TEXT,
 407   GADGET_ID_SELECT_LEVEL_UP,
 408   GADGET_ID_LEVEL_XSIZE_DOWN,
 409   GADGET_ID_LEVEL_XSIZE_TEXT,
 410   GADGET_ID_LEVEL_XSIZE_UP,
 411   GADGET_ID_LEVEL_YSIZE_DOWN,
 412   GADGET_ID_LEVEL_YSIZE_TEXT,
 413   GADGET_ID_LEVEL_YSIZE_UP,
 414   GADGET_ID_LEVEL_RANDOM_DOWN,
 415   GADGET_ID_LEVEL_RANDOM_TEXT,
 416   GADGET_ID_LEVEL_RANDOM_UP,
 417   GADGET_ID_LEVEL_GEMSLIMIT_DOWN,
 418   GADGET_ID_LEVEL_GEMSLIMIT_TEXT,
 419   GADGET_ID_LEVEL_GEMSLIMIT_UP,
 420   GADGET_ID_LEVEL_TIMELIMIT_DOWN,
 421   GADGET_ID_LEVEL_TIMELIMIT_TEXT,
 422   GADGET_ID_LEVEL_TIMELIMIT_UP,
 423   GADGET_ID_LEVEL_TIMESCORE_DOWN,
 424   GADGET_ID_LEVEL_TIMESCORE_TEXT,
 425   GADGET_ID_LEVEL_TIMESCORE_UP,
 426   GADGET_ID_LEVEL_RANDOM_SEED_DOWN,
 427   GADGET_ID_LEVEL_RANDOM_SEED_TEXT,
 428   GADGET_ID_LEVEL_RANDOM_SEED_UP,
 429   GADGET_ID_LEVELSET_NUM_LEVELS_DOWN,
 430   GADGET_ID_LEVELSET_NUM_LEVELS_TEXT,
 431   GADGET_ID_LEVELSET_NUM_LEVELS_UP,
 432   GADGET_ID_BD_CYCLE_DELAY_MS_DOWN,
 433   GADGET_ID_BD_CYCLE_DELAY_MS_TEXT,
 434   GADGET_ID_BD_CYCLE_DELAY_MS_UP,
 435   GADGET_ID_BD_CYCLE_DELAY_C64_DOWN,
 436   GADGET_ID_BD_CYCLE_DELAY_C64_TEXT,
 437   GADGET_ID_BD_CYCLE_DELAY_C64_UP,
 438   GADGET_ID_BD_HATCHING_DELAY_CYCLES_DOWN,
 439   GADGET_ID_BD_HATCHING_DELAY_CYCLES_TEXT,
 440   GADGET_ID_BD_HATCHING_DELAY_CYCLES_UP,
 441   GADGET_ID_BD_HATCHING_DELAY_SECONDS_DOWN,
 442   GADGET_ID_BD_HATCHING_DELAY_SECONDS_TEXT,
 443   GADGET_ID_BD_HATCHING_DELAY_SECONDS_UP,
 444   GADGET_ID_BD_PUSHING_PROB_DOWN,
 445   GADGET_ID_BD_PUSHING_PROB_TEXT,
 446   GADGET_ID_BD_PUSHING_PROB_UP,
 447   GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_DOWN,
 448   GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_TEXT,
 449   GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_UP,
 450   GADGET_ID_ELEMENT_VALUE1_DOWN,
 451   GADGET_ID_ELEMENT_VALUE1_TEXT,
 452   GADGET_ID_ELEMENT_VALUE1_UP,
 453   GADGET_ID_ELEMENT_VALUE2_DOWN,
 454   GADGET_ID_ELEMENT_VALUE2_TEXT,
 455   GADGET_ID_ELEMENT_VALUE2_UP,
 456   GADGET_ID_ELEMENT_VALUE3_DOWN,
 457   GADGET_ID_ELEMENT_VALUE3_TEXT,
 458   GADGET_ID_ELEMENT_VALUE3_UP,
 459   GADGET_ID_ELEMENT_VALUE4_DOWN,
 460   GADGET_ID_ELEMENT_VALUE4_TEXT,
 461   GADGET_ID_ELEMENT_VALUE4_UP,
 462   GADGET_ID_YAMYAM_CONTENT_DOWN,
 463   GADGET_ID_YAMYAM_CONTENT_TEXT,
 464   GADGET_ID_YAMYAM_CONTENT_UP,
 465   GADGET_ID_BALL_CONTENT_DOWN,
 466   GADGET_ID_BALL_CONTENT_TEXT,
 467   GADGET_ID_BALL_CONTENT_UP,
 468   GADGET_ID_ANDROID_CONTENT_DOWN,
 469   GADGET_ID_ANDROID_CONTENT_TEXT,
 470   GADGET_ID_ANDROID_CONTENT_UP,
 471   GADGET_ID_ENVELOPE_XSIZE_DOWN,
 472   GADGET_ID_ENVELOPE_XSIZE_TEXT,
 473   GADGET_ID_ENVELOPE_XSIZE_UP,
 474   GADGET_ID_ENVELOPE_YSIZE_DOWN,
 475   GADGET_ID_ENVELOPE_YSIZE_TEXT,
 476   GADGET_ID_ENVELOPE_YSIZE_UP,
 477   GADGET_ID_INVENTORY_SIZE_DOWN,
 478   GADGET_ID_INVENTORY_SIZE_TEXT,
 479   GADGET_ID_INVENTORY_SIZE_UP,
 480   GADGET_ID_MM_BALL_CONTENT_DOWN,
 481   GADGET_ID_MM_BALL_CONTENT_TEXT,
 482   GADGET_ID_MM_BALL_CONTENT_UP,
 483   GADGET_ID_CUSTOM_SCORE_DOWN,
 484   GADGET_ID_CUSTOM_SCORE_TEXT,
 485   GADGET_ID_CUSTOM_SCORE_UP,
 486   GADGET_ID_CUSTOM_GEMCOUNT_DOWN,
 487   GADGET_ID_CUSTOM_GEMCOUNT_TEXT,
 488   GADGET_ID_CUSTOM_GEMCOUNT_UP,
 489   GADGET_ID_CUSTOM_VALUE_FIX_DOWN,
 490   GADGET_ID_CUSTOM_VALUE_FIX_TEXT,
 491   GADGET_ID_CUSTOM_VALUE_FIX_UP,
 492   GADGET_ID_CUSTOM_VALUE_RND_DOWN,
 493   GADGET_ID_CUSTOM_VALUE_RND_TEXT,
 494   GADGET_ID_CUSTOM_VALUE_RND_UP,
 495   GADGET_ID_PUSH_DELAY_FIX_DOWN,
 496   GADGET_ID_PUSH_DELAY_FIX_TEXT,
 497   GADGET_ID_PUSH_DELAY_FIX_UP,
 498   GADGET_ID_PUSH_DELAY_RND_DOWN,
 499   GADGET_ID_PUSH_DELAY_RND_TEXT,
 500   GADGET_ID_PUSH_DELAY_RND_UP,
 501   GADGET_ID_DROP_DELAY_FIX_DOWN,
 502   GADGET_ID_DROP_DELAY_FIX_TEXT,
 503   GADGET_ID_DROP_DELAY_FIX_UP,
 504   GADGET_ID_DROP_DELAY_RND_DOWN,
 505   GADGET_ID_DROP_DELAY_RND_TEXT,
 506   GADGET_ID_DROP_DELAY_RND_UP,
 507   GADGET_ID_MOVE_DELAY_FIX_DOWN,
 508   GADGET_ID_MOVE_DELAY_FIX_TEXT,
 509   GADGET_ID_MOVE_DELAY_FIX_UP,
 510   GADGET_ID_MOVE_DELAY_RND_DOWN,
 511   GADGET_ID_MOVE_DELAY_RND_TEXT,
 512   GADGET_ID_MOVE_DELAY_RND_UP,
 513   GADGET_ID_STEP_DELAY_FIX_DOWN,
 514   GADGET_ID_STEP_DELAY_FIX_TEXT,
 515   GADGET_ID_STEP_DELAY_FIX_UP,
 516   GADGET_ID_STEP_DELAY_RND_DOWN,
 517   GADGET_ID_STEP_DELAY_RND_TEXT,
 518   GADGET_ID_STEP_DELAY_RND_UP,
 519   GADGET_ID_EXPLOSION_DELAY_DOWN,
 520   GADGET_ID_EXPLOSION_DELAY_TEXT,
 521   GADGET_ID_EXPLOSION_DELAY_UP,
 522   GADGET_ID_IGNITION_DELAY_DOWN,
 523   GADGET_ID_IGNITION_DELAY_TEXT,
 524   GADGET_ID_IGNITION_DELAY_UP,
 525   GADGET_ID_CHANGE_DELAY_FIX_DOWN,
 526   GADGET_ID_CHANGE_DELAY_FIX_TEXT,
 527   GADGET_ID_CHANGE_DELAY_FIX_UP,
 528   GADGET_ID_CHANGE_DELAY_RND_DOWN,
 529   GADGET_ID_CHANGE_DELAY_RND_TEXT,
 530   GADGET_ID_CHANGE_DELAY_RND_UP,
 531   GADGET_ID_CHANGE_CONT_RND_DOWN,
 532   GADGET_ID_CHANGE_CONT_RND_TEXT,
 533   GADGET_ID_CHANGE_CONT_RND_UP,
 534   GADGET_ID_GROUP_CONTENT_DOWN,
 535   GADGET_ID_GROUP_CONTENT_TEXT,
 536   GADGET_ID_GROUP_CONTENT_UP,
 537
 538   // drawing area identifiers
 539
 540   GADGET_ID_DRAWING_LEVEL,
 541   GADGET_ID_YAMYAM_CONTENT_0,
 542   GADGET_ID_YAMYAM_CONTENT_1,
 543   GADGET_ID_YAMYAM_CONTENT_2,
 544   GADGET_ID_YAMYAM_CONTENT_3,
 545   GADGET_ID_YAMYAM_CONTENT_4,
 546   GADGET_ID_YAMYAM_CONTENT_5,
 547   GADGET_ID_YAMYAM_CONTENT_6,
 548   GADGET_ID_YAMYAM_CONTENT_7,
 549   GADGET_ID_MAGIC_BALL_CONTENT_0,
 550   GADGET_ID_MAGIC_BALL_CONTENT_1,
 551   GADGET_ID_MAGIC_BALL_CONTENT_2,
 552   GADGET_ID_MAGIC_BALL_CONTENT_3,
 553   GADGET_ID_MAGIC_BALL_CONTENT_4,
 554   GADGET_ID_MAGIC_BALL_CONTENT_5,
 555   GADGET_ID_MAGIC_BALL_CONTENT_6,
 556   GADGET_ID_MAGIC_BALL_CONTENT_7,
 557   GADGET_ID_ANDROID_CONTENT,
 558   GADGET_ID_AMOEBA_CONTENT,
 559   GADGET_ID_BD_SNAP_ELEMENT,
 560   GADGET_ID_BD_AMOEBA_CONTENT_TOO_BIG,
 561   GADGET_ID_BD_AMOEBA_CONTENT_ENCLOSED,
 562   GADGET_ID_BD_AMOEBA_2_CONTENT_TOO_BIG,
 563   GADGET_ID_BD_AMOEBA_2_CONTENT_ENCLOSED,
 564   GADGET_ID_BD_AMOEBA_2_CONTENT_EXPLODING,
 565   GADGET_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,
 566   GADGET_ID_BD_ACID_EATS_ELEMENT,
 567   GADGET_ID_BD_ACID_TURNS_TO_ELEMENT,
 568   GADGET_ID_BD_BITER_EATS_ELEMENT,
 569   GADGET_ID_BD_BLADDER_CONVERTS_BY_ELEMENT,
 570   GADGET_ID_START_ELEMENT,
 571   GADGET_ID_ARTWORK_ELEMENT,
 572   GADGET_ID_EXPLOSION_ELEMENT,
 573   GADGET_ID_INVENTORY_CONTENT,
 574   GADGET_ID_MM_BALL_CONTENT,
 575   GADGET_ID_CUSTOM_GRAPHIC,
 576   GADGET_ID_CUSTOM_CONTENT,
 577   GADGET_ID_CUSTOM_MOVE_ENTER,
 578   GADGET_ID_CUSTOM_MOVE_LEAVE,
 579   GADGET_ID_CUSTOM_CHANGE_TARGET,
 580   GADGET_ID_CUSTOM_CHANGE_CONTENT,
 581   GADGET_ID_CUSTOM_CHANGE_TRIGGER,
 582   GADGET_ID_CUSTOM_CHANGE_ACTION,
 583   GADGET_ID_GROUP_CONTENT,
 584   GADGET_ID_RANDOM_BACKGROUND,
 585
 586   // text input identifiers
 587
 588   GADGET_ID_LEVEL_NAME,
 589   GADGET_ID_LEVEL_AUTHOR,
 590   GADGET_ID_LEVELSET_NAME,
 591   GADGET_ID_LEVELSET_AUTHOR,
 592   GADGET_ID_ELEMENT_NAME,
 593
 594   // text area identifiers
 595
 596   GADGET_ID_ENVELOPE_INFO,
 597
 598   // selectbox identifiers
 599
 600   GADGET_ID_TIME_OR_STEPS,
 601   GADGET_ID_TIME_SCORE_BASE,
 602   GADGET_ID_GAME_ENGINE_TYPE,
 603   GADGET_ID_BD_SCHEDULING_TYPE,
 604   GADGET_ID_LEVELSET_SAVE_MODE,
 605   GADGET_ID_WIND_DIRECTION,
 606   GADGET_ID_PLAYER_SPEED,
 607   GADGET_ID_MM_BALL_CHOICE_MODE,
 608   GADGET_ID_CUSTOM_WALK_TO_ACTION,
 609   GADGET_ID_CUSTOM_EXPLOSION_TYPE,
 610   GADGET_ID_CUSTOM_DEADLINESS,
 611   GADGET_ID_CUSTOM_MOVE_PATTERN,
 612   GADGET_ID_CUSTOM_MOVE_DIRECTION,
 613   GADGET_ID_CUSTOM_MOVE_STEPSIZE,
 614   GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
 615   GADGET_ID_CUSTOM_SMASH_TARGETS,
 616   GADGET_ID_CUSTOM_SLIPPERY_TYPE,
 617   GADGET_ID_CUSTOM_ACCESS_TYPE,
 618   GADGET_ID_CUSTOM_ACCESS_LAYER,
 619   GADGET_ID_CUSTOM_ACCESS_PROTECTED,
 620   GADGET_ID_CUSTOM_ACCESS_DIRECTION,
 621   GADGET_ID_CHANGE_TIME_UNITS,
 622   GADGET_ID_CHANGE_DIRECT_ACTION,
 623   GADGET_ID_CHANGE_OTHER_ACTION,
 624   GADGET_ID_CHANGE_SIDE,
 625   GADGET_ID_CHANGE_PLAYER,
 626   GADGET_ID_CHANGE_PAGE,
 627   GADGET_ID_CHANGE_REPLACE_WHEN,
 628   GADGET_ID_ACTION_TYPE,
 629   GADGET_ID_ACTION_MODE,
 630   GADGET_ID_ACTION_ARG,
 631   GADGET_ID_SELECT_CHANGE_PAGE,
 632   GADGET_ID_GROUP_CHOICE_MODE,
 633
 634   // textbutton identifiers
 635
 636   GADGET_ID_LEVELCONFIG_LEVEL,
 637   GADGET_ID_LEVELCONFIG_LEVELSET,
 638   GADGET_ID_LEVELCONFIG_EDITOR,
 639   GADGET_ID_LEVELCONFIG_ENGINE,
 640   GADGET_ID_PROPERTIES_INFO,
 641   GADGET_ID_PROPERTIES_CONFIG,
 642   GADGET_ID_PROPERTIES_CONFIG_1,
 643   GADGET_ID_PROPERTIES_CONFIG_2,
 644   GADGET_ID_PROPERTIES_CHANGE,
 645   GADGET_ID_SAVE_AS_TEMPLATE_1,
 646   GADGET_ID_SAVE_AS_TEMPLATE_2,
 647   GADGET_ID_SAVE_LEVELSET,
 648   GADGET_ID_ADD_CHANGE_PAGE,
 649   GADGET_ID_DEL_CHANGE_PAGE,
 650
 651   // graphicbutton identifiers
 652
 653   GADGET_ID_PREV_CHANGE_PAGE,
 654   GADGET_ID_NEXT_CHANGE_PAGE,
 655   GADGET_ID_COPY_CHANGE_PAGE,
 656   GADGET_ID_PASTE_CHANGE_PAGE,
 657
 658   // gadgets for scrolling of drawing area
 659
 660   GADGET_ID_SCROLL_UP,
 661   GADGET_ID_SCROLL_DOWN,
 662   GADGET_ID_SCROLL_LEFT,
 663   GADGET_ID_SCROLL_RIGHT,
 664   GADGET_ID_SCROLL_HORIZONTAL,
 665   GADGET_ID_SCROLL_VERTICAL,
 666
 667   // gadgets for scrolling element list
 668
 669   GADGET_ID_SCROLL_LIST_UP,
 670   GADGET_ID_SCROLL_LIST_DOWN,
 671   GADGET_ID_SCROLL_LIST_VERTICAL,
 672
 673   // checkbuttons/radiobuttons for level/element properties
 674
 675   GADGET_ID_AUTO_COUNT_GEMS,
 676   GADGET_ID_RATE_TIME_OVER_SCORE,
 677   GADGET_ID_USE_LEVELSET_ARTWORK,
 678   GADGET_ID_COPY_LEVEL_TEMPLATE,
 679   GADGET_ID_RANDOM_PERCENTAGE,
 680   GADGET_ID_RANDOM_QUANTITY,
 681   GADGET_ID_RANDOM_RESTRICTED,
 682   GADGET_ID_BD_INTERMISSION,
 683   GADGET_ID_BD_PAL_TIMING,
 684   GADGET_ID_BD_LINE_SHIFTING_BORDERS,
 685   GADGET_ID_BD_SCAN_FIRST_AND_LAST_ROW,
 686   GADGET_ID_BD_SHORT_EXPLOSIONS,
 687   GADGET_ID_BD_GRAVITY_AFFECTS_ALL,
 688   GADGET_ID_STICK_ELEMENT,
 689   GADGET_ID_EM_SLIPPERY_GEMS,
 690   GADGET_ID_EM_EXPLODES_BY_FIRE,
 691   GADGET_ID_USE_SPRING_BUG,
 692   GADGET_ID_USE_TIME_ORB_BUG,
 693   GADGET_ID_USE_LIFE_BUGS,
 694   GADGET_ID_RANDOM_BALL_CONTENT,
 695   GADGET_ID_INITIAL_BALL_ACTIVE,
 696   GADGET_ID_GROW_INTO_DIGGABLE,
 697   GADGET_ID_SB_FIELDS_NEEDED,
 698   GADGET_ID_SB_OBJECTS_NEEDED,
 699   GADGET_ID_AUTO_EXIT_SOKOBAN,
 700   GADGET_ID_SOLVED_BY_ONE_PLAYER,
 701   GADGET_ID_FINISH_DIG_COLLECT,
 702   GADGET_ID_KEEP_WALKABLE_CE,
 703   GADGET_ID_CONTINUOUS_SNAPPING,
 704   GADGET_ID_BLOCK_SNAP_FIELD,
 705   GADGET_ID_BLOCK_LAST_FIELD,
 706   GADGET_ID_SP_BLOCK_LAST_FIELD,
 707   GADGET_ID_INSTANT_RELOCATION,
 708   GADGET_ID_SHIFTED_RELOCATION,
 709   GADGET_ID_LAZY_RELOCATION,
 710   GADGET_ID_USE_START_ELEMENT,
 711   GADGET_ID_USE_ARTWORK_ELEMENT,
 712   GADGET_ID_USE_EXPLOSION_ELEMENT,
 713   GADGET_ID_INITIAL_GRAVITY,
 714   GADGET_ID_USE_INITIAL_INVENTORY,
 715   GADGET_ID_CAN_PASS_TO_WALKABLE,
 716   GADGET_ID_CAN_FALL_INTO_ACID,
 717   GADGET_ID_CAN_MOVE_INTO_ACID,
 718   GADGET_ID_DONT_COLLIDE_WITH,
 719   GADGET_ID_BD_DIAGONAL_MOVEMENTS,
 720   GADGET_ID_BD_TOPMOST_PLAYER_ACTIVE,
 721   GADGET_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,
 722   GADGET_ID_BD_MAGIC_WALL_WAIT_HATCHING,
 723   GADGET_ID_BD_MAGIC_WALL_STOPS_AMOEBA,
 724   GADGET_ID_BD_AMOEBA_WAIT_FOR_HATCHING,
 725   GADGET_ID_BD_AMOEBA_START_IMMEDIATELY,
 726   GADGET_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,
 727   GADGET_ID_BD_VOODOO_COLLECTS_DIAMONDS,
 728   GADGET_ID_BD_VOODOO_HURT_KILLS_PLAYER,
 729   GADGET_ID_BD_VOODOO_DIES_BY_ROCK,
 730   GADGET_ID_BD_VOODOO_VANISH_BY_EXPLOSION,
 731   GADGET_ID_BD_SLIME_IS_PREDICTABLE,
 732   GADGET_ID_BD_CHANGE_EXPANDING_WALL,
 733   GADGET_ID_BD_REPLICATORS_ACTIVE,
 734   GADGET_ID_BD_CONVEYOR_BELTS_ACTIVE,
 735   GADGET_ID_BD_CONVEYOR_BELTS_CHANGED,
 736   GADGET_ID_BD_WATER_CANNOT_FLOW_DOWN,
 737   GADGET_ID_ENVELOPE_AUTOWRAP,
 738   GADGET_ID_ENVELOPE_CENTERED,
 739   GADGET_ID_MM_LASER_RED,
 740   GADGET_ID_MM_LASER_GREEN,
 741   GADGET_ID_MM_LASER_BLUE,
 742   GADGET_ID_DF_LASER_RED,
 743   GADGET_ID_DF_LASER_GREEN,
 744   GADGET_ID_DF_LASER_BLUE,
 745   GADGET_ID_ROTATE_MM_BALL_CONTENT,
 746   GADGET_ID_EXPLODE_MM_BALL,
 747   GADGET_ID_CUSTOM_INDESTRUCTIBLE,
 748   GADGET_ID_CUSTOM_CAN_EXPLODE,
 749   GADGET_ID_CUSTOM_EXPLODE_FIRE,
 750   GADGET_ID_CUSTOM_EXPLODE_SMASH,
 751   GADGET_ID_CUSTOM_EXPLODE_IMPACT,
 752   GADGET_ID_CUSTOM_WALK_TO_OBJECT,
 753   GADGET_ID_CUSTOM_DEADLY,
 754   GADGET_ID_CUSTOM_CAN_MOVE,
 755   GADGET_ID_CUSTOM_CAN_FALL,
 756   GADGET_ID_CUSTOM_CAN_SMASH,
 757   GADGET_ID_CUSTOM_SLIPPERY,
 758   GADGET_ID_CUSTOM_ACCESSIBLE,
 759   GADGET_ID_CUSTOM_GRAV_REACHABLE,
 760   GADGET_ID_CUSTOM_USE_LAST_VALUE,
 761   GADGET_ID_CUSTOM_USE_GRAPHIC,
 762   GADGET_ID_CUSTOM_USE_TEMPLATE_1,
 763   GADGET_ID_CUSTOM_USE_TEMPLATE_2,
 764   GADGET_ID_CUSTOM_USE_TEMPLATE_3,
 765   GADGET_ID_CUSTOM_CAN_CHANGE,
 766   GADGET_ID_CHANGE_USE_CONTENT,
 767   GADGET_ID_CHANGE_USE_EXPLOSION,
 768   GADGET_ID_CHANGE_ONLY_COMPLETE,
 769   GADGET_ID_CHANGE_USE_RANDOM,
 770   GADGET_ID_CHANGE_HAS_ACTION,
 771   GADGET_ID_CHANGE_DELAY,
 772   GADGET_ID_CHANGE_BY_DIRECT_ACT,
 773   GADGET_ID_CHANGE_BY_OTHER_ACT,
 774
 775   NUM_STATIC_GADGET_IDS
 776 };
 777
 778 // gadgets for buttons in element list (dynamic)
 779 #define GADGET_ID_ELEMENTLIST_FIRST     (NUM_STATIC_GADGET_IDS)
 780 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 781                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 782
 783 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 784
 785 // radio button numbers
 786 enum
 787 {
 788   RADIO_NR_NONE,
 789   RADIO_NR_DRAWING_TOOLBOX,
 790   RADIO_NR_RANDOM_ELEMENTS
 791 };
 792
 793 // values for counter gadgets
 794 enum
 795 {
 796   ED_COUNTER_ID_SELECT_LEVEL,
 797   ED_COUNTER_ID_LEVEL_XSIZE,
 798   ED_COUNTER_ID_LEVEL_YSIZE,
 799   ED_COUNTER_ID_LEVEL_GEMSLIMIT,
 800   ED_COUNTER_ID_LEVEL_TIMELIMIT,
 801   ED_COUNTER_ID_LEVEL_TIMESCORE,
 802   ED_COUNTER_ID_LEVEL_RANDOM_SEED,
 803   ED_COUNTER_ID_LEVELSET_NUM_LEVELS,
 804   ED_COUNTER_ID_LEVEL_RANDOM,
 805   ED_COUNTER_ID_BD_CYCLE_DELAY_MS,
 806   ED_COUNTER_ID_BD_CYCLE_DELAY_C64,
 807   ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES,
 808   ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS,
 809   ED_COUNTER_ID_BD_PUSHING_PROB,
 810   ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET,
 811   ED_COUNTER_ID_ELEMENT_VALUE1,
 812   ED_COUNTER_ID_ELEMENT_VALUE2,
 813   ED_COUNTER_ID_ELEMENT_VALUE3,
 814   ED_COUNTER_ID_ELEMENT_VALUE4,
 815   ED_COUNTER_ID_YAMYAM_CONTENT,
 816   ED_COUNTER_ID_BALL_CONTENT,
 817   ED_COUNTER_ID_ANDROID_CONTENT,
 818   ED_COUNTER_ID_ENVELOPE_XSIZE,
 819   ED_COUNTER_ID_ENVELOPE_YSIZE,
 820   ED_COUNTER_ID_INVENTORY_SIZE,
 821   ED_COUNTER_ID_MM_BALL_CONTENT,
 822   ED_COUNTER_ID_CUSTOM_SCORE,
 823   ED_COUNTER_ID_CUSTOM_GEMCOUNT,
 824   ED_COUNTER_ID_CUSTOM_VALUE_FIX,
 825   ED_COUNTER_ID_CUSTOM_VALUE_RND,
 826   ED_COUNTER_ID_PUSH_DELAY_FIX,
 827   ED_COUNTER_ID_PUSH_DELAY_RND,
 828   ED_COUNTER_ID_DROP_DELAY_FIX,
 829   ED_COUNTER_ID_DROP_DELAY_RND,
 830   ED_COUNTER_ID_MOVE_DELAY_FIX,
 831   ED_COUNTER_ID_MOVE_DELAY_RND,
 832   ED_COUNTER_ID_STEP_DELAY_FIX,
 833   ED_COUNTER_ID_STEP_DELAY_RND,
 834   ED_COUNTER_ID_EXPLOSION_DELAY,
 835   ED_COUNTER_ID_IGNITION_DELAY,
 836   ED_COUNTER_ID_GROUP_CONTENT,
 837   ED_COUNTER_ID_CHANGE_DELAY_FIX,
 838   ED_COUNTER_ID_CHANGE_DELAY_RND,
 839   ED_COUNTER_ID_CHANGE_CONT_RND,
 840
 841   ED_NUM_COUNTERBUTTONS
 842 };
 843
 844 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 845 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM_SEED
 846 #define ED_COUNTER_ID_LEVELSET_FIRST    ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 847 #define ED_COUNTER_ID_LEVELSET_LAST     ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 848 #define ED_COUNTER_ID_EDITOR_FIRST      ED_COUNTER_ID_LEVEL_RANDOM
 849 #define ED_COUNTER_ID_EDITOR_LAST       ED_COUNTER_ID_LEVEL_RANDOM
 850
 851 #define ED_COUNTER_ID_CUSTOM1_FIRST     ED_COUNTER_ID_CUSTOM_SCORE
 852 #define ED_COUNTER_ID_CUSTOM1_LAST      ED_COUNTER_ID_DROP_DELAY_RND
 853 #define ED_COUNTER_ID_CUSTOM2_FIRST     ED_COUNTER_ID_MOVE_DELAY_FIX
 854 #define ED_COUNTER_ID_CUSTOM2_LAST      ED_COUNTER_ID_IGNITION_DELAY
 855 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM1_FIRST
 856 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_CUSTOM2_LAST
 857
 858 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 859 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 860
 861 // values for scrollbutton gadgets
 862 enum
 863 {
 864   ED_SCROLLBUTTON_ID_AREA_UP,
 865   ED_SCROLLBUTTON_ID_AREA_DOWN,
 866   ED_SCROLLBUTTON_ID_AREA_LEFT,
 867   ED_SCROLLBUTTON_ID_AREA_RIGHT,
 868   ED_SCROLLBUTTON_ID_LIST_UP,
 869   ED_SCROLLBUTTON_ID_LIST_DOWN,
 870
 871   ED_NUM_SCROLLBUTTONS
 872 };
 873
 874 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 875 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 876
 877 // values for scrollbar gadgets
 878 enum
 879 {
 880   ED_SCROLLBAR_ID_AREA_HORIZONTAL,
 881   ED_SCROLLBAR_ID_AREA_VERTICAL,
 882   ED_SCROLLBAR_ID_LIST_VERTICAL,
 883
 884   ED_NUM_SCROLLBARS
 885 };
 886
 887 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 888 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 889
 890 // values for text input gadgets
 891 enum
 892 {
 893   ED_TEXTINPUT_ID_LEVEL_NAME,
 894   ED_TEXTINPUT_ID_LEVEL_AUTHOR,
 895   ED_TEXTINPUT_ID_LEVELSET_NAME,
 896   ED_TEXTINPUT_ID_LEVELSET_AUTHOR,
 897   ED_TEXTINPUT_ID_ELEMENT_NAME,
 898
 899   ED_NUM_TEXTINPUT
 900 };
 901
 902 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 903 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 904
 905 #define ED_TEXTINPUT_ID_LEVELSET_FIRST  ED_TEXTINPUT_ID_LEVELSET_NAME
 906 #define ED_TEXTINPUT_ID_LEVELSET_LAST   ED_TEXTINPUT_ID_LEVELSET_AUTHOR
 907
 908 // values for text area gadgets
 909 enum
 910 {
 911   ED_TEXTAREA_ID_ENVELOPE_INFO,
 912
 913   ED_NUM_TEXTAREAS
 914 };
 915
 916 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
 917 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
 918
 919 // values for selectbox gadgets
 920 enum
 921 {
 922   ED_SELECTBOX_ID_TIME_OR_STEPS,
 923   ED_SELECTBOX_ID_TIME_SCORE_BASE,
 924   ED_SELECTBOX_ID_GAME_ENGINE_TYPE,
 925   ED_SELECTBOX_ID_BD_SCHEDULING_TYPE,
 926   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE,
 927   ED_SELECTBOX_ID_WIND_DIRECTION,
 928   ED_SELECTBOX_ID_PLAYER_SPEED,
 929   ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE,
 930   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE,
 931   ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER,
 932   ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED,
 933   ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION,
 934   ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION,
 935   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN,
 936   ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION,
 937   ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE,
 938   ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE,
 939   ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS,
 940   ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE,
 941   ED_SELECTBOX_ID_CUSTOM_DEADLINESS,
 942   ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE,
 943   ED_SELECTBOX_ID_CHANGE_TIME_UNITS,
 944   ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION,
 945   ED_SELECTBOX_ID_CHANGE_OTHER_ACTION,
 946   ED_SELECTBOX_ID_CHANGE_SIDE,
 947   ED_SELECTBOX_ID_CHANGE_PLAYER,
 948   ED_SELECTBOX_ID_CHANGE_PAGE,
 949   ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN,
 950   ED_SELECTBOX_ID_ACTION_TYPE,
 951   ED_SELECTBOX_ID_ACTION_MODE,
 952   ED_SELECTBOX_ID_ACTION_ARG,
 953   ED_SELECTBOX_ID_SELECT_CHANGE_PAGE,
 954   ED_SELECTBOX_ID_GROUP_CHOICE_MODE,
 955
 956   ED_NUM_SELECTBOX
 957 };
 958
 959 #define ED_SELECTBOX_ID_LEVEL_FIRST     ED_SELECTBOX_ID_TIME_OR_STEPS
 960 #define ED_SELECTBOX_ID_LEVEL_LAST      ED_SELECTBOX_ID_GAME_ENGINE_TYPE
 961
 962 #define ED_SELECTBOX_ID_LEVELSET_FIRST  ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 963 #define ED_SELECTBOX_ID_LEVELSET_LAST   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 964
 965 #define ED_SELECTBOX_ID_ENGINE_FIRST    ED_SELECTBOX_ID_BD_SCHEDULING_TYPE
 966 #define ED_SELECTBOX_ID_ENGINE_LAST     ED_SELECTBOX_ID_BD_SCHEDULING_TYPE
 967
 968 #define ED_SELECTBOX_ID_CUSTOM1_FIRST   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
 969 #define ED_SELECTBOX_ID_CUSTOM1_LAST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
 970 #define ED_SELECTBOX_ID_CUSTOM2_FIRST   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN
 971 #define ED_SELECTBOX_ID_CUSTOM2_LAST    ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE
 972 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM1_FIRST
 973 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM2_LAST
 974
 975 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 976 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
 977
 978 // values for textbutton gadgets
 979 enum
 980 {
 981   ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL,
 982   ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET,
 983   ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR,
 984   ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE,
 985   ED_TEXTBUTTON_ID_PROPERTIES_INFO,
 986   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG,
 987   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1,
 988   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2,
 989   ED_TEXTBUTTON_ID_PROPERTIES_CHANGE,
 990   ED_TEXTBUTTON_ID_SAVE_LEVELSET,
 991   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2,
 992   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1,
 993   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE,
 994   ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE,
 995
 996   ED_NUM_TEXTBUTTONS
 997 };
 998
 999 #define ED_TAB_BUTTON_ID_LEVELCONFIG_FIRST ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL
1000 #define ED_TAB_BUTTON_ID_LEVELCONFIG_LAST  ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE
1001
1002 #define ED_TAB_BUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
1003 #define ED_TAB_BUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
1004
1005 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE
1006 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
1007
1008 // values for graphicbutton gadgets
1009 enum
1010 {
1011   ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE,
1012   ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE,
1013   ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE,
1014   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE,
1015
1016   ED_NUM_GRAPHICBUTTONS
1017 };
1018
1019 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST  ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
1020 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE
1021
1022 // values for checkbutton gadgets
1023 enum
1024 {
1025   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS,
1026   ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE,
1027   ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK,
1028   ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE,
1029   ED_CHECKBUTTON_ID_RANDOM_RESTRICTED,
1030   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3,
1031   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2,
1032   ED_CHECKBUTTON_ID_BD_INTERMISSION,
1033   ED_CHECKBUTTON_ID_BD_PAL_TIMING,
1034   ED_CHECKBUTTON_ID_BD_LINE_SHIFTING_BORDERS,
1035   ED_CHECKBUTTON_ID_BD_SCAN_FIRST_AND_LAST_ROW,
1036   ED_CHECKBUTTON_ID_BD_SHORT_EXPLOSIONS,
1037   ED_CHECKBUTTON_ID_BD_GRAVITY_AFFECTS_ALL,
1038   ED_CHECKBUTTON_ID_STICK_ELEMENT,
1039   ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS,
1040   ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE,
1041   ED_CHECKBUTTON_ID_USE_SPRING_BUG,
1042   ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG,
1043   ED_CHECKBUTTON_ID_USE_LIFE_BUGS,
1044   ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT,
1045   ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE,
1046   ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE,
1047   ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED,
1048   ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED,
1049   ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN,
1050   ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER,
1051   ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT,
1052   ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE,
1053   ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING,
1054   ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD,
1055   ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD,
1056   ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD,
1057   ED_CHECKBUTTON_ID_INSTANT_RELOCATION,
1058   ED_CHECKBUTTON_ID_SHIFTED_RELOCATION,
1059   ED_CHECKBUTTON_ID_LAZY_RELOCATION,
1060   ED_CHECKBUTTON_ID_USE_START_ELEMENT,
1061   ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT,
1062   ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT,
1063   ED_CHECKBUTTON_ID_INITIAL_GRAVITY,
1064   ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY,
1065   ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE,
1066   ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID,
1067   ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID,
1068   ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH,
1069   ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS,
1070   ED_CHECKBUTTON_ID_BD_TOPMOST_PLAYER_ACTIVE,
1071   ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,
1072   ED_CHECKBUTTON_ID_BD_MAGIC_WALL_WAIT_HATCHING,
1073   ED_CHECKBUTTON_ID_BD_MAGIC_WALL_STOPS_AMOEBA,
1074   ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING,
1075   ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY,
1076   ED_CHECKBUTTON_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,
1077   ED_CHECKBUTTON_ID_BD_VOODOO_COLLECTS_DIAMONDS,
1078   ED_CHECKBUTTON_ID_BD_VOODOO_HURT_KILLS_PLAYER,
1079   ED_CHECKBUTTON_ID_BD_VOODOO_DIES_BY_ROCK,
1080   ED_CHECKBUTTON_ID_BD_VOODOO_VANISH_BY_EXPLOSION,
1081   ED_CHECKBUTTON_ID_BD_SLIME_IS_PREDICTABLE,
1082   ED_CHECKBUTTON_ID_BD_CHANGE_EXPANDING_WALL,
1083   ED_CHECKBUTTON_ID_BD_REPLICATORS_ACTIVE,
1084   ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_ACTIVE,
1085   ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_CHANGED,
1086   ED_CHECKBUTTON_ID_BD_WATER_CANNOT_FLOW_DOWN,
1087   ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP,
1088   ED_CHECKBUTTON_ID_ENVELOPE_CENTERED,
1089   ED_CHECKBUTTON_ID_MM_LASER_RED,
1090   ED_CHECKBUTTON_ID_MM_LASER_GREEN,
1091   ED_CHECKBUTTON_ID_MM_LASER_BLUE,
1092   ED_CHECKBUTTON_ID_DF_LASER_RED,
1093   ED_CHECKBUTTON_ID_DF_LASER_GREEN,
1094   ED_CHECKBUTTON_ID_DF_LASER_BLUE,
1095   ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT,
1096   ED_CHECKBUTTON_ID_EXPLODE_MM_BALL,
1097   ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC,
1098   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1,
1099   ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE,
1100   ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE,
1101   ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE,
1102   ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT,
1103   ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE,
1104   ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE,
1105   ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL,
1106   ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH,
1107   ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY,
1108   ED_CHECKBUTTON_ID_CUSTOM_DEADLY,
1109   ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE,
1110   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE,
1111   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH,
1112   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT,
1113   ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE,
1114   ED_CHECKBUTTON_ID_CHANGE_DELAY,
1115   ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT,
1116   ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT,
1117   ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION,
1118   ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT,
1119   ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE,
1120   ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM,
1121   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION,
1122
1123   ED_NUM_CHECKBUTTONS
1124 };
1125
1126 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS
1127 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE
1128
1129 #define ED_CHECKBUTTON_ID_LEVELSET_FIRST ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK
1130 #define ED_CHECKBUTTON_ID_LEVELSET_LAST  ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE
1131
1132 #define ED_CHECKBUTTON_ID_EDITOR_FIRST  ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
1133 #define ED_CHECKBUTTON_ID_EDITOR_LAST   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2
1134
1135 #define ED_CHECKBUTTON_ID_ENGINE_FIRST  ED_CHECKBUTTON_ID_BD_INTERMISSION
1136 #define ED_CHECKBUTTON_ID_ENGINE_LAST   ED_CHECKBUTTON_ID_BD_GRAVITY_AFFECTS_ALL
1137
1138 #define ED_CHECKBUTTON_ID_CUSTOM1_FIRST ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
1139 #define ED_CHECKBUTTON_ID_CUSTOM1_LAST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
1140 #define ED_CHECKBUTTON_ID_CUSTOM2_FIRST ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE
1141 #define ED_CHECKBUTTON_ID_CUSTOM2_LAST  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
1142 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM1_FIRST
1143 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM2_LAST
1144
1145 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE
1146 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION
1147
1148 // values for radiobutton gadgets
1149 enum
1150 {
1151   ED_RADIOBUTTON_ID_PERCENTAGE,
1152   ED_RADIOBUTTON_ID_QUANTITY,
1153
1154   ED_NUM_RADIOBUTTONS
1155 };
1156
1157 #define ED_RADIOBUTTON_ID_EDITOR_FIRST  ED_RADIOBUTTON_ID_PERCENTAGE
1158 #define ED_RADIOBUTTON_ID_EDITOR_LAST   ED_RADIOBUTTON_ID_QUANTITY
1159
1160 // values for drawing area gadgets
1161 enum
1162 {
1163   ED_DRAWING_ID_DRAWING_LEVEL,
1164   ED_DRAWING_ID_YAMYAM_CONTENT_0,
1165   ED_DRAWING_ID_YAMYAM_CONTENT_1,
1166   ED_DRAWING_ID_YAMYAM_CONTENT_2,
1167   ED_DRAWING_ID_YAMYAM_CONTENT_3,
1168   ED_DRAWING_ID_YAMYAM_CONTENT_4,
1169   ED_DRAWING_ID_YAMYAM_CONTENT_5,
1170   ED_DRAWING_ID_YAMYAM_CONTENT_6,
1171   ED_DRAWING_ID_YAMYAM_CONTENT_7,
1172   ED_DRAWING_ID_MAGIC_BALL_CONTENT_0,
1173   ED_DRAWING_ID_MAGIC_BALL_CONTENT_1,
1174   ED_DRAWING_ID_MAGIC_BALL_CONTENT_2,
1175   ED_DRAWING_ID_MAGIC_BALL_CONTENT_3,
1176   ED_DRAWING_ID_MAGIC_BALL_CONTENT_4,
1177   ED_DRAWING_ID_MAGIC_BALL_CONTENT_5,
1178   ED_DRAWING_ID_MAGIC_BALL_CONTENT_6,
1179   ED_DRAWING_ID_MAGIC_BALL_CONTENT_7,
1180   ED_DRAWING_ID_ANDROID_CONTENT,
1181   ED_DRAWING_ID_AMOEBA_CONTENT,
1182   ED_DRAWING_ID_BD_SNAP_ELEMENT,
1183   ED_DRAWING_ID_BD_AMOEBA_CONTENT_TOO_BIG,
1184   ED_DRAWING_ID_BD_AMOEBA_CONTENT_ENCLOSED,
1185   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_TOO_BIG,
1186   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_ENCLOSED,
1187   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_EXPLODING,
1188   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,
1189   ED_DRAWING_ID_BD_ACID_EATS_ELEMENT,
1190   ED_DRAWING_ID_BD_ACID_TURNS_TO_ELEMENT,
1191   ED_DRAWING_ID_BD_BITER_EATS_ELEMENT,
1192   ED_DRAWING_ID_BD_BLADDER_CONVERTS_BY_ELEMENT,
1193   ED_DRAWING_ID_START_ELEMENT,
1194   ED_DRAWING_ID_ARTWORK_ELEMENT,
1195   ED_DRAWING_ID_EXPLOSION_ELEMENT,
1196   ED_DRAWING_ID_INVENTORY_CONTENT,
1197   ED_DRAWING_ID_MM_BALL_CONTENT,
1198   ED_DRAWING_ID_CUSTOM_GRAPHIC,
1199   ED_DRAWING_ID_CUSTOM_CONTENT,
1200   ED_DRAWING_ID_CUSTOM_MOVE_ENTER,
1201   ED_DRAWING_ID_CUSTOM_MOVE_LEAVE,
1202   ED_DRAWING_ID_CUSTOM_CHANGE_TARGET,
1203   ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT,
1204   ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER,
1205   ED_DRAWING_ID_CUSTOM_CHANGE_ACTION,
1206   ED_DRAWING_ID_GROUP_CONTENT,
1207   ED_DRAWING_ID_RANDOM_BACKGROUND,
1208
1209   ED_NUM_DRAWING_AREAS
1210 };
1211
1212 #define ED_DRAWING_ID_EDITOR_FIRST      ED_DRAWING_ID_RANDOM_BACKGROUND
1213 #define ED_DRAWING_ID_EDITOR_LAST       ED_DRAWING_ID_RANDOM_BACKGROUND
1214
1215
1216 // ----------------------------------------------------------------------------
1217 // some internally used definitions
1218 // ----------------------------------------------------------------------------
1219
1220 // values for CopyLevelToUndoBuffer()
1221 #define UNDO_IMMEDIATE                  0
1222 #define UNDO_ACCUMULATE                 1
1223
1224 // values for scrollbars
1225 #define ED_SCROLL_NO                    0
1226 #define ED_SCROLL_LEFT                  1
1227 #define ED_SCROLL_RIGHT                 2
1228 #define ED_SCROLL_UP                    4
1229 #define ED_SCROLL_DOWN                  8
1230
1231 // screens in the level editor
1232 #define ED_MODE_DRAWING                 0
1233 #define ED_MODE_LEVELCONFIG             1
1234 #define ED_MODE_PROPERTIES              2
1235 #define ED_MODE_PALETTE                 3
1236
1237 // sub-screens in the global settings section
1238 #define ED_MODE_LEVELCONFIG_LEVEL       ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL
1239 #define ED_MODE_LEVELCONFIG_LEVELSET    ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET
1240 #define ED_MODE_LEVELCONFIG_EDITOR      ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR
1241 #define ED_MODE_LEVELCONFIG_ENGINE      ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE
1242
1243 // sub-screens in the element properties section
1244 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
1245 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
1246 #define ED_MODE_PROPERTIES_CONFIG_1     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1
1247 #define ED_MODE_PROPERTIES_CONFIG_2     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2
1248 #define ED_MODE_PROPERTIES_CHANGE       ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
1249
1250 // how many steps can be cancelled
1251 #define NUM_UNDO_STEPS                  (64 + 1)
1252
1253 // values for elements with score for certain actions
1254 #define MIN_SCORE                       0
1255 #define MAX_SCORE                       999
1256
1257 // values for elements with count for collecting
1258 #define MIN_COLLECT_COUNT               0
1259 #define MAX_COLLECT_COUNT               999
1260
1261 // values for random placement
1262 #define RANDOM_USE_PERCENTAGE           0
1263 #define RANDOM_USE_QUANTITY             1
1264
1265 // values for level set save mode
1266 #define LEVELSET_SAVE_MODE_UPDATE       0
1267 #define LEVELSET_SAVE_MODE_CREATE       1
1268
1269 // default value for element tile size in drawing area
1270 #define DEFAULT_EDITOR_TILESIZE         MINI_TILESIZE
1271 #define DEFAULT_EDITOR_TILESIZE_MM      TILESIZE
1272
1273
1274 // ----------------------------------------------------------------------------
1275 // some internally used data structure definitions
1276 // ----------------------------------------------------------------------------
1277
1278 static struct
1279 {
1280   int graphic;
1281   int gadget_id;
1282   struct XYTileSize *pos;
1283   int gadget_type;
1284   char *infotext;
1285   char shortcut;
1286 } controlbutton_info[ED_NUM_CTRL_BUTTONS] =
1287 {
1288   // note: some additional characters are already reserved for "cheat mode"
1289   // shortcuts (":XYZ" style) -- for details, see "events.c"
1290
1291   // ---------- toolbox control buttons ---------------------------------------
1292
1293   {
1294     IMG_GFX_EDITOR_BUTTON_DRAW_SINGLE,          GADGET_ID_SINGLE_ITEMS,
1295     &editor.button.draw_single,                 GD_TYPE_RADIO_BUTTON,
1296     "Draw single items",                        's'
1297   },
1298   {
1299     IMG_GFX_EDITOR_BUTTON_DRAW_CONNECTED,       GADGET_ID_CONNECTED_ITEMS,
1300     &editor.button.draw_connected,              GD_TYPE_RADIO_BUTTON,
1301     "Draw connected items",                     'd'
1302   },
1303   {
1304     IMG_GFX_EDITOR_BUTTON_DRAW_LINE,            GADGET_ID_LINE,
1305     &editor.button.draw_line,                   GD_TYPE_RADIO_BUTTON,
1306     "Draw lines",                               'l'
1307   },
1308   {
1309     IMG_GFX_EDITOR_BUTTON_DRAW_ARC,             GADGET_ID_ARC,
1310     &editor.button.draw_arc,                    GD_TYPE_RADIO_BUTTON,
1311     "Draw arcs",                                'a'
1312   },
1313   {
1314     IMG_GFX_EDITOR_BUTTON_DRAW_RECTANGLE,       GADGET_ID_RECTANGLE,
1315     &editor.button.draw_rectangle,              GD_TYPE_RADIO_BUTTON,
1316     "Draw outline rectangles",                  'r'
1317   },
1318   {
1319     IMG_GFX_EDITOR_BUTTON_DRAW_FILLED_BOX,      GADGET_ID_FILLED_BOX,
1320     &editor.button.draw_filled_box,             GD_TYPE_RADIO_BUTTON,
1321     "Draw filled rectangles",                   'R'
1322   },
1323   {
1324     IMG_GFX_EDITOR_BUTTON_ROTATE_UP,            GADGET_ID_WRAP_UP,
1325     &editor.button.rotate_up,                   GD_TYPE_NORMAL_BUTTON,
1326     "Wrap (rotate) level up",                   0
1327   },
1328   {
1329     IMG_GFX_EDITOR_BUTTON_DRAW_TEXT,            GADGET_ID_TEXT,
1330     &editor.button.draw_text,                   GD_TYPE_RADIO_BUTTON,
1331     "Enter text elements",                      't'
1332   },
1333   {
1334     IMG_GFX_EDITOR_BUTTON_FLOOD_FILL,           GADGET_ID_FLOOD_FILL,
1335     &editor.button.flood_fill,                  GD_TYPE_RADIO_BUTTON,
1336     "Flood fill",                               'f'
1337   },
1338   {
1339     IMG_GFX_EDITOR_BUTTON_ROTATE_LEFT,          GADGET_ID_WRAP_LEFT,
1340     &editor.button.rotate_left,                 GD_TYPE_NORMAL_BUTTON,
1341     "Wrap (rotate) level left",                 0
1342   },
1343   {
1344     IMG_GFX_EDITOR_BUTTON_ZOOM_LEVEL,           GADGET_ID_ZOOM,
1345     &editor.button.zoom_level,                  GD_TYPE_NORMAL_BUTTON,
1346     "Zoom level tile size",                     '+'
1347   },
1348   {
1349     IMG_GFX_EDITOR_BUTTON_ROTATE_RIGHT,         GADGET_ID_WRAP_RIGHT,
1350     &editor.button.rotate_right,                GD_TYPE_NORMAL_BUTTON,
1351     "Wrap (rotate) level right",                0
1352   },
1353   {
1354     IMG_GFX_EDITOR_BUTTON_DRAW_RANDOM,          GADGET_ID_RANDOM_PLACEMENT,
1355     &editor.button.draw_random,                 GD_TYPE_NORMAL_BUTTON,
1356     "Random element placement",                 0
1357   },
1358   {
1359     IMG_GFX_EDITOR_BUTTON_GRAB_BRUSH,           GADGET_ID_GRAB_BRUSH,
1360     &editor.button.grab_brush,                  GD_TYPE_RADIO_BUTTON,
1361     "Grab brush",                               'b'
1362   },
1363   {
1364     IMG_GFX_EDITOR_BUTTON_ROTATE_DOWN,          GADGET_ID_WRAP_DOWN,
1365     &editor.button.rotate_down,                 GD_TYPE_NORMAL_BUTTON,
1366     "Wrap (rotate) level down",                 0
1367   },
1368   {
1369     IMG_GFX_EDITOR_BUTTON_PICK_ELEMENT,         GADGET_ID_PICK_ELEMENT,
1370     &editor.button.pick_element,                GD_TYPE_RADIO_BUTTON,
1371     "Pick drawing element",                     ','
1372   },
1373
1374   // ---------- level control buttons -----------------------------------------
1375
1376   {
1377     IMG_GFX_EDITOR_BUTTON_UNDO,                 GADGET_ID_UNDO,
1378     &editor.button.undo,                        GD_TYPE_NORMAL_BUTTON,
1379     "Undo/redo last operation",                 'u'
1380   },
1381   {
1382     IMG_GFX_EDITOR_BUTTON_CONF,                 GADGET_ID_CONF,
1383     &editor.button.conf,                        GD_TYPE_NORMAL_BUTTON,
1384     "Level and editor settings",                'I'
1385   },
1386   {
1387     IMG_GFX_EDITOR_BUTTON_SAVE,                 GADGET_ID_SAVE,
1388     &editor.button.save,                        GD_TYPE_NORMAL_BUTTON,
1389     "Save level",                               'S'
1390   },
1391   {
1392     IMG_GFX_EDITOR_BUTTON_CLEAR,                GADGET_ID_CLEAR,
1393     &editor.button.clear,                       GD_TYPE_NORMAL_BUTTON,
1394     "Clear level",                              'C'
1395   },
1396   {
1397     IMG_GFX_EDITOR_BUTTON_TEST,                 GADGET_ID_TEST,
1398     &editor.button.test,                        GD_TYPE_NORMAL_BUTTON,
1399     "Test level",                               'T'
1400   },
1401   {
1402     IMG_GFX_EDITOR_BUTTON_EXIT,                 GADGET_ID_EXIT,
1403     &editor.button.exit,                        GD_TYPE_NORMAL_BUTTON,
1404     "Exit level editor",                        'E'
1405   },
1406
1407   // ---------- CE and GE control buttons -------------------------------------
1408
1409   {
1410     IMG_GFX_EDITOR_BUTTON_CE_COPY_FROM,         GADGET_ID_CUSTOM_COPY_FROM,
1411     &editor.button.ce_copy_from,                GD_TYPE_RADIO_BUTTON,
1412     "Copy settings from other element",         0
1413   },
1414   {
1415     IMG_GFX_EDITOR_BUTTON_CE_COPY_TO,           GADGET_ID_CUSTOM_COPY_TO,
1416     &editor.button.ce_copy_to,                  GD_TYPE_RADIO_BUTTON,
1417     "Copy settings to other element",           0
1418   },
1419   {
1420     IMG_GFX_EDITOR_BUTTON_CE_SWAP,              GADGET_ID_CUSTOM_EXCHANGE,
1421     &editor.button.ce_swap,                     GD_TYPE_RADIO_BUTTON,
1422     "Exchange element with other element",      0
1423   },
1424   {
1425     IMG_GFX_EDITOR_BUTTON_CE_COPY,              GADGET_ID_CUSTOM_COPY,
1426     &editor.button.ce_copy,                     GD_TYPE_NORMAL_BUTTON,
1427     "Copy settings from this element",          0
1428   },
1429   {
1430     IMG_GFX_EDITOR_BUTTON_CE_PASTE,             GADGET_ID_CUSTOM_PASTE,
1431     &editor.button.ce_paste,                    GD_TYPE_NORMAL_BUTTON,
1432     "Paste settings to this element",           0
1433   },
1434
1435   // ---------- palette control buttons ---------------------------------------
1436
1437   {
1438     IMG_GFX_EDITOR_BUTTON_PROPERTIES,           GADGET_ID_PROPERTIES,
1439     &editor.button.properties,                  GD_TYPE_NORMAL_BUTTON,
1440     "Properties of drawing element",            'p'
1441   },
1442   {
1443     IMG_GFX_EDITOR_BUTTON_ELEMENT_LEFT,         GADGET_ID_ELEMENT_LEFT,
1444     &editor.button.element_left,                GD_TYPE_NORMAL_BUTTON,
1445     "Properties of drawing element 1",          '1'
1446   },
1447   {
1448     IMG_GFX_EDITOR_BUTTON_ELEMENT_MIDDLE,       GADGET_ID_ELEMENT_MIDDLE,
1449     &editor.button.element_middle,              GD_TYPE_NORMAL_BUTTON,
1450     "Properties of drawing element 2",          '2'
1451   },
1452   {
1453     IMG_GFX_EDITOR_BUTTON_ELEMENT_RIGHT,        GADGET_ID_ELEMENT_RIGHT,
1454     &editor.button.element_right,               GD_TYPE_NORMAL_BUTTON,
1455     "Properties of drawing element 3",          '3'
1456   },
1457   {
1458     IMG_GFX_EDITOR_BUTTON_PALETTE,              GADGET_ID_PALETTE,
1459     &editor.button.palette,                     GD_TYPE_NORMAL_BUTTON,
1460     "Show list of elements",                    'e'
1461   }
1462 };
1463
1464 static int random_placement_value = 10;
1465 static int random_placement_method = RANDOM_USE_QUANTITY;
1466 static int random_placement_background_element = EL_SAND;
1467 static boolean random_placement_background_restricted = FALSE;
1468 static boolean stick_element_properties_window = FALSE;
1469 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
1470 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
1471 static struct ElementChangeInfo custom_element_change;
1472 static struct ElementGroupInfo group_element_info;
1473 static struct ElementInfo custom_element;
1474
1475 static char levelset_name[MAX_LEVEL_NAME_LEN + 1];
1476 static char levelset_author[MAX_LEVEL_AUTHOR_LEN + 1];
1477 static int levelset_num_levels = 100;
1478 static boolean levelset_use_levelset_artwork = FALSE;
1479 static boolean levelset_copy_level_template = FALSE;
1480 static int levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
1481
1482 static struct
1483 {
1484   int gadget_type_id;
1485   int x, y;
1486   int min_value, max_value;
1487   int gadget_id_down, gadget_id_up;
1488   int gadget_id_text;
1489   int gadget_id_align;
1490   int *value;
1491   char *text_above, *text_left, *text_right;
1492 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
1493 {
1494   // ---------- current level number ------------------------------------------
1495
1496   {
1497     ED_COUNTER_ID_SELECT_LEVEL,
1498     -1, -1,     // these values are not constant, but can change at runtime
1499     1,                                  100,
1500     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
1501     GADGET_ID_SELECT_LEVEL_TEXT,        GADGET_ID_NONE,
1502     &level_nr,
1503     NULL,                               NULL, NULL
1504   },
1505
1506   // ---------- level and editor settings -------------------------------------
1507
1508   {
1509     ED_COUNTER_ID_LEVEL_XSIZE,
1510     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1511     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
1512     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
1513     GADGET_ID_LEVEL_XSIZE_TEXT,         GADGET_ID_NONE,
1514     &level.fieldx,
1515     "Playfield size:",                  NULL, "Width",
1516   },
1517   {
1518     ED_COUNTER_ID_LEVEL_YSIZE,
1519     -1,                                 ED_LEVEL_SETTINGS_YPOS(4),
1520     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
1521     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
1522     GADGET_ID_LEVEL_YSIZE_TEXT,         GADGET_ID_LEVEL_XSIZE_UP,
1523     &level.fieldy,
1524     NULL,                               " ", "Height",
1525   },
1526   {
1527     ED_COUNTER_ID_LEVEL_GEMSLIMIT,
1528     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
1529     0,                                  999,
1530     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
1531     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,     GADGET_ID_NONE,
1532     &level.gems_needed,
1533     NULL,                               "Number of gems to collect:", NULL
1534   },
1535   {
1536     ED_COUNTER_ID_LEVEL_TIMELIMIT,
1537     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
1538     0,                                  9999,
1539     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
1540     GADGET_ID_LEVEL_TIMELIMIT_TEXT,     GADGET_ID_NONE,
1541     &level.time,
1542     "Time or step limit to solve level:", NULL, NULL
1543   },
1544   {
1545     ED_COUNTER_ID_LEVEL_TIMESCORE,
1546     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
1547     0,                                  999,
1548     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
1549     GADGET_ID_LEVEL_TIMESCORE_TEXT,     GADGET_ID_NONE,
1550     &level.score[SC_TIME_BONUS],
1551     "Score for time or steps left:",    NULL, NULL
1552   },
1553   {
1554     ED_COUNTER_ID_LEVEL_RANDOM_SEED,
1555     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(13),
1556     0,                                  9999,
1557     GADGET_ID_LEVEL_RANDOM_SEED_DOWN,   GADGET_ID_LEVEL_RANDOM_SEED_UP,
1558     GADGET_ID_LEVEL_RANDOM_SEED_TEXT,   GADGET_ID_NONE,
1559     &level.random_seed,
1560     NULL,                               "Random seed:", "(0 => random)"
1561   },
1562   {
1563     ED_COUNTER_ID_LEVELSET_NUM_LEVELS,
1564     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1565     1,                                  MAX_LEVELS,
1566     GADGET_ID_LEVELSET_NUM_LEVELS_DOWN, GADGET_ID_LEVELSET_NUM_LEVELS_UP,
1567     GADGET_ID_LEVELSET_NUM_LEVELS_TEXT, GADGET_ID_NONE,
1568     &levelset_num_levels,
1569     "Number of levels:",                NULL, NULL,
1570   },
1571   {
1572     ED_COUNTER_ID_LEVEL_RANDOM,
1573     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1574     1,                                  100,
1575     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
1576     GADGET_ID_LEVEL_RANDOM_TEXT,        GADGET_ID_NONE,
1577     &random_placement_value,
1578     "Random element placement:",        NULL, "in"
1579   },
1580   {
1581     ED_COUNTER_ID_BD_CYCLE_DELAY_MS,
1582     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(3),
1583     50,                                 500,
1584     GADGET_ID_BD_CYCLE_DELAY_MS_DOWN,   GADGET_ID_BD_CYCLE_DELAY_MS_UP,
1585     GADGET_ID_BD_CYCLE_DELAY_MS_TEXT,   GADGET_ID_NONE,
1586     &level.bd_cycle_delay_ms,
1587     NULL,                               NULL, "Game cycle delay (ms)"
1588   },
1589   {
1590     ED_COUNTER_ID_BD_CYCLE_DELAY_C64,
1591     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(3),
1592     0,                                  32,
1593     GADGET_ID_BD_CYCLE_DELAY_C64_DOWN,  GADGET_ID_BD_CYCLE_DELAY_C64_UP,
1594     GADGET_ID_BD_CYCLE_DELAY_C64_TEXT,  GADGET_ID_NONE,
1595     &level.bd_cycle_delay_c64,
1596     NULL,                               NULL, "Game cycle delay (C64-style)"
1597   },
1598   {
1599     ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES,
1600     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1601     1,                                  40,
1602     GADGET_ID_BD_HATCHING_DELAY_CYCLES_DOWN,    GADGET_ID_BD_HATCHING_DELAY_CYCLES_UP,
1603     GADGET_ID_BD_HATCHING_DELAY_CYCLES_TEXT,    GADGET_ID_NONE,
1604     &level.bd_hatching_delay_cycles,
1605     NULL,                               NULL, "Hatching delay (cycles)"
1606   },
1607   {
1608     ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS,
1609     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1610     1,                                  40,
1611     GADGET_ID_BD_HATCHING_DELAY_SECONDS_DOWN,   GADGET_ID_BD_HATCHING_DELAY_SECONDS_UP,
1612     GADGET_ID_BD_HATCHING_DELAY_SECONDS_TEXT,   GADGET_ID_NONE,
1613     &level.bd_hatching_delay_seconds,
1614     NULL,                               NULL, "Hatching delay (seconds)"
1615   },
1616
1617   // ---------- element settings: configure (various elements) ----------------
1618
1619   {
1620     ED_COUNTER_ID_BD_PUSHING_PROB,
1621     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1622     0,                                  100,
1623     GADGET_ID_BD_PUSHING_PROB_DOWN,     GADGET_ID_BD_PUSHING_PROB_UP,
1624     GADGET_ID_BD_PUSHING_PROB_TEXT,     GADGET_ID_NONE,
1625     &level.bd_pushing_prob,
1626     NULL,                               NULL, "Push probability"
1627   },
1628   {
1629     ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET,
1630     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1631     0,                                  100,
1632     GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_DOWN,  GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_UP,
1633     GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_TEXT,  GADGET_ID_NONE,
1634     &level.bd_pushing_prob_with_sweet,
1635     NULL,                               NULL, "Push probability with sweet"
1636   },
1637   {
1638     ED_COUNTER_ID_ELEMENT_VALUE1,
1639     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1640     MIN_SCORE,                          MAX_SCORE,
1641     GADGET_ID_ELEMENT_VALUE1_DOWN,      GADGET_ID_ELEMENT_VALUE1_UP,
1642     GADGET_ID_ELEMENT_VALUE1_TEXT,      GADGET_ID_NONE,
1643     NULL,                               // will be set when used
1644     NULL,                               NULL, NULL
1645   },
1646   {
1647     ED_COUNTER_ID_ELEMENT_VALUE2,
1648     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
1649     MIN_SCORE,                          MAX_SCORE,
1650     GADGET_ID_ELEMENT_VALUE2_DOWN,      GADGET_ID_ELEMENT_VALUE2_UP,
1651     GADGET_ID_ELEMENT_VALUE2_TEXT,      GADGET_ID_NONE,
1652     NULL,                               // will be set when used
1653     NULL,                               NULL, NULL
1654   },
1655   {
1656     ED_COUNTER_ID_ELEMENT_VALUE3,
1657     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1658     MIN_SCORE,                          MAX_SCORE,
1659     GADGET_ID_ELEMENT_VALUE3_DOWN,      GADGET_ID_ELEMENT_VALUE3_UP,
1660     GADGET_ID_ELEMENT_VALUE3_TEXT,      GADGET_ID_NONE,
1661     NULL,                               // will be set when used
1662     NULL,                               NULL, NULL
1663   },
1664   {
1665     ED_COUNTER_ID_ELEMENT_VALUE4,
1666     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1667     MIN_SCORE,                          MAX_SCORE,
1668     GADGET_ID_ELEMENT_VALUE4_DOWN,      GADGET_ID_ELEMENT_VALUE4_UP,
1669     GADGET_ID_ELEMENT_VALUE4_TEXT,      GADGET_ID_NONE,
1670     NULL,                               // will be set when used
1671     NULL,                               NULL, NULL
1672   },
1673   {
1674     ED_COUNTER_ID_YAMYAM_CONTENT,
1675     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1676     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1677     GADGET_ID_YAMYAM_CONTENT_DOWN,      GADGET_ID_YAMYAM_CONTENT_UP,
1678     GADGET_ID_YAMYAM_CONTENT_TEXT,      GADGET_ID_NONE,
1679     &level.num_yamyam_contents,
1680     NULL,                               NULL, "Number of content areas"
1681   },
1682   {
1683     ED_COUNTER_ID_BALL_CONTENT,
1684     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1685     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1686     GADGET_ID_BALL_CONTENT_DOWN,        GADGET_ID_BALL_CONTENT_UP,
1687     GADGET_ID_BALL_CONTENT_TEXT,        GADGET_ID_NONE,
1688     &level.num_ball_contents,
1689     NULL,                               NULL, "Number of content areas"
1690   },
1691   {
1692     ED_COUNTER_ID_ANDROID_CONTENT,
1693     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1694     MIN_ANDROID_ELEMENTS,               MAX_ANDROID_ELEMENTS,
1695     GADGET_ID_ANDROID_CONTENT_DOWN,     GADGET_ID_ANDROID_CONTENT_UP,
1696     GADGET_ID_ANDROID_CONTENT_TEXT,     GADGET_ID_NONE,
1697     &level.num_android_clone_elements,
1698     NULL,                               NULL, "Number of clonable elements"
1699   },
1700   {
1701     ED_COUNTER_ID_ENVELOPE_XSIZE,
1702     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1703     MIN_ENVELOPE_XSIZE,                 MAX_ENVELOPE_XSIZE,
1704     GADGET_ID_ENVELOPE_XSIZE_DOWN,      GADGET_ID_ENVELOPE_XSIZE_UP,
1705     GADGET_ID_ENVELOPE_XSIZE_TEXT,      GADGET_ID_NONE,
1706     NULL,                               // will be set when used
1707     NULL,                               NULL, "Width",
1708   },
1709   {
1710     ED_COUNTER_ID_ENVELOPE_YSIZE,
1711     -1,                                 ED_ELEMENT_SETTINGS_YPOS(0),
1712     MIN_ENVELOPE_YSIZE,                 MAX_ENVELOPE_YSIZE,
1713     GADGET_ID_ENVELOPE_YSIZE_DOWN,      GADGET_ID_ENVELOPE_YSIZE_UP,
1714     GADGET_ID_ENVELOPE_YSIZE_TEXT,      GADGET_ID_ENVELOPE_XSIZE_UP,
1715     NULL,                               // will be set when used
1716     NULL,                               " ", "Height",
1717   },
1718   {
1719     ED_COUNTER_ID_INVENTORY_SIZE,
1720     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1721     MIN_INITIAL_INVENTORY_SIZE,         MAX_INITIAL_INVENTORY_SIZE,
1722     GADGET_ID_INVENTORY_SIZE_DOWN,      GADGET_ID_INVENTORY_SIZE_UP,
1723     GADGET_ID_INVENTORY_SIZE_TEXT,      GADGET_ID_NONE,
1724     &level.initial_inventory_size[0],
1725     NULL,                               NULL, "Number of inventory elements"
1726   },
1727   {
1728     ED_COUNTER_ID_MM_BALL_CONTENT,
1729     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1730     MIN_ELEMENTS_IN_GROUP,              MAX_MM_BALL_CONTENTS,
1731     GADGET_ID_MM_BALL_CONTENT_DOWN,     GADGET_ID_MM_BALL_CONTENT_UP,
1732     GADGET_ID_MM_BALL_CONTENT_TEXT,     GADGET_ID_NONE,
1733     &level.num_mm_ball_contents,
1734     NULL,                               NULL, "Number of content elements"
1735   },
1736
1737   // ---------- element settings: configure 1 (custom elements) ---------------
1738
1739   {
1740     ED_COUNTER_ID_CUSTOM_SCORE,
1741     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1742     MIN_SCORE,                          MAX_SCORE,
1743     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
1744     GADGET_ID_CUSTOM_SCORE_TEXT,        GADGET_ID_NONE,
1745     &custom_element.collect_score_initial,
1746     NULL,                               "CE score", " "
1747   },
1748   {
1749     ED_COUNTER_ID_CUSTOM_GEMCOUNT,
1750     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1751     MIN_COLLECT_COUNT,                  MAX_COLLECT_COUNT,
1752     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
1753     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,     GADGET_ID_CUSTOM_SCORE_UP,
1754     &custom_element.collect_count_initial,
1755     NULL,                               "CE count", NULL
1756   },
1757   {
1758     ED_COUNTER_ID_CUSTOM_VALUE_FIX,
1759     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1760     0,                                  9999,
1761     GADGET_ID_CUSTOM_VALUE_FIX_DOWN,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1762     GADGET_ID_CUSTOM_VALUE_FIX_TEXT,    GADGET_ID_NONE,
1763     &custom_element.ce_value_fixed_initial,
1764     NULL,                               "CE value", NULL
1765   },
1766   {
1767     ED_COUNTER_ID_CUSTOM_VALUE_RND,
1768     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1769     0,                                  9999,
1770     GADGET_ID_CUSTOM_VALUE_RND_DOWN,    GADGET_ID_CUSTOM_VALUE_RND_UP,
1771     GADGET_ID_CUSTOM_VALUE_RND_TEXT,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1772     &custom_element.ce_value_random_initial,
1773     NULL,                               "+random", NULL
1774   },
1775   {
1776     ED_COUNTER_ID_PUSH_DELAY_FIX,
1777     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1778     0,                                  999,
1779     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
1780     GADGET_ID_PUSH_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1781     &custom_element.push_delay_fixed,
1782     NULL,                               "Push delay", NULL
1783   },
1784   {
1785     ED_COUNTER_ID_PUSH_DELAY_RND,
1786     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1787     0,                                  999,
1788     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
1789     GADGET_ID_PUSH_DELAY_RND_TEXT,      GADGET_ID_PUSH_DELAY_FIX_UP,
1790     &custom_element.push_delay_random,
1791     NULL,                               "+random", NULL
1792   },
1793   {
1794     ED_COUNTER_ID_DROP_DELAY_FIX,
1795     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(7),
1796     0,                                  999,
1797     GADGET_ID_DROP_DELAY_FIX_DOWN,      GADGET_ID_DROP_DELAY_FIX_UP,
1798     GADGET_ID_DROP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1799     &custom_element.drop_delay_fixed,
1800     NULL,                               "Drop delay", NULL
1801   },
1802   {
1803     ED_COUNTER_ID_DROP_DELAY_RND,
1804     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
1805     0,                                  999,
1806     GADGET_ID_DROP_DELAY_RND_DOWN,      GADGET_ID_DROP_DELAY_RND_UP,
1807     GADGET_ID_DROP_DELAY_RND_TEXT,      GADGET_ID_DROP_DELAY_FIX_UP,
1808     &custom_element.drop_delay_random,
1809     NULL,                               "+random", NULL
1810   },
1811
1812   // ---------- element settings: configure 2 (custom elements) ---------------
1813
1814   {
1815     ED_COUNTER_ID_MOVE_DELAY_FIX,
1816     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1817     0,                                  999,
1818     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
1819     GADGET_ID_MOVE_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1820     &custom_element.move_delay_fixed,
1821     NULL,                               "Move delay", NULL
1822   },
1823   {
1824     ED_COUNTER_ID_MOVE_DELAY_RND,
1825     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1826     0,                                  999,
1827     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
1828     GADGET_ID_MOVE_DELAY_RND_TEXT,      GADGET_ID_MOVE_DELAY_FIX_UP,
1829     &custom_element.move_delay_random,
1830     NULL,                               "+random", NULL
1831   },
1832   {
1833     ED_COUNTER_ID_STEP_DELAY_FIX,
1834     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1835     0,                                  999,
1836     GADGET_ID_STEP_DELAY_FIX_DOWN,      GADGET_ID_STEP_DELAY_FIX_UP,
1837     GADGET_ID_STEP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1838     &custom_element.step_delay_fixed,
1839     NULL,                               "Step delay", NULL
1840   },
1841   {
1842     ED_COUNTER_ID_STEP_DELAY_RND,
1843     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1844     0,                                  999,
1845     GADGET_ID_STEP_DELAY_RND_DOWN,      GADGET_ID_STEP_DELAY_RND_UP,
1846     GADGET_ID_STEP_DELAY_RND_TEXT,      GADGET_ID_STEP_DELAY_FIX_UP,
1847     &custom_element.step_delay_random,
1848     NULL,                               "+random", NULL
1849   },
1850   {
1851     ED_COUNTER_ID_EXPLOSION_DELAY,
1852     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
1853     0,                                  999,
1854     GADGET_ID_EXPLOSION_DELAY_DOWN,     GADGET_ID_EXPLOSION_DELAY_UP,
1855     GADGET_ID_EXPLOSION_DELAY_TEXT,     GADGET_ID_NONE,
1856     &custom_element.explosion_delay,
1857     NULL,                               "Explosion delay", NULL
1858   },
1859   {
1860     ED_COUNTER_ID_IGNITION_DELAY,
1861     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
1862     0,                                  999,
1863     GADGET_ID_IGNITION_DELAY_DOWN,      GADGET_ID_IGNITION_DELAY_UP,
1864     GADGET_ID_IGNITION_DELAY_TEXT,      GADGET_ID_NONE,
1865     &custom_element.ignition_delay,
1866     NULL,                               "Ignition delay", "(by fire)"
1867   },
1868
1869   // ---------- element settings: configure (group elements) ------------------
1870
1871   {
1872     ED_COUNTER_ID_GROUP_CONTENT,
1873     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1874     MIN_ELEMENTS_IN_GROUP,              MAX_ELEMENTS_IN_GROUP,
1875     GADGET_ID_GROUP_CONTENT_DOWN,       GADGET_ID_GROUP_CONTENT_UP,
1876     GADGET_ID_GROUP_CONTENT_TEXT,       GADGET_ID_NONE,
1877     &group_element_info.num_elements,
1878     NULL,                               NULL, "Number of elements in group"
1879   },
1880
1881   // ---------- element settings: advanced (custom elements) ------------------
1882
1883   {
1884     ED_COUNTER_ID_CHANGE_DELAY_FIX,
1885     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(2),
1886     0,                                  999,
1887     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1888     GADGET_ID_CHANGE_DELAY_FIX_TEXT,    GADGET_ID_NONE,
1889     &custom_element_change.delay_fixed,
1890     NULL,                               "CE delay", NULL,
1891   },
1892   {
1893     ED_COUNTER_ID_CHANGE_DELAY_RND,
1894     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
1895     0,                                  999,
1896     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
1897     GADGET_ID_CHANGE_DELAY_RND_TEXT,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1898     &custom_element_change.delay_random,
1899     NULL,                               "+random", NULL
1900   },
1901   {
1902     ED_COUNTER_ID_CHANGE_CONT_RND,
1903     ED_ELEMENT_SETTINGS_XPOS(3),        ED_ELEMENT_SETTINGS_YPOS(12),
1904     0,                                  100,
1905     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
1906     GADGET_ID_CHANGE_CONT_RND_TEXT,     GADGET_ID_NONE,
1907     &custom_element_change.random_percentage,
1908     NULL,                               "Use random replace:", "%"
1909   },
1910 };
1911
1912 static struct
1913 {
1914   int gadget_type_id;
1915   int x, y;
1916   int gadget_id;
1917   int size;
1918   char *value;
1919   char *text_above, *infotext;
1920 } textinput_info[ED_NUM_TEXTINPUT] =
1921 {
1922   {
1923     ED_TEXTINPUT_ID_LEVEL_NAME,
1924     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1925     GADGET_ID_LEVEL_NAME,
1926     MAX_LEVEL_NAME_LEN,
1927     level.name,
1928     "Title:", "Title for this level"
1929   },
1930   {
1931     ED_TEXTINPUT_ID_LEVEL_AUTHOR,
1932     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1933     GADGET_ID_LEVEL_AUTHOR,
1934     MAX_LEVEL_AUTHOR_LEN,
1935     level.author,
1936     "Author:", "Author for this level"
1937   },
1938   {
1939     ED_TEXTINPUT_ID_LEVELSET_NAME,
1940     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1941     GADGET_ID_LEVELSET_NAME,
1942     MAX_LEVEL_NAME_LEN,
1943     levelset_name,
1944     "Title:", "Title for this or new level set"
1945   },
1946   {
1947     ED_TEXTINPUT_ID_LEVELSET_AUTHOR,
1948     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1949     GADGET_ID_LEVELSET_AUTHOR,
1950     MAX_LEVEL_AUTHOR_LEN,
1951     levelset_author,
1952     "Author:", "Author for this or new level set"
1953   },
1954   {
1955     ED_TEXTINPUT_ID_ELEMENT_NAME,
1956     -1, -1,     // these values are not constant, but can change at runtime
1957     GADGET_ID_ELEMENT_NAME,
1958     MAX_ELEMENT_NAME_LEN - 2,           // currently 2 chars less editable
1959     custom_element.description,
1960     NULL, "Element name"
1961   }
1962 };
1963
1964 static struct
1965 {
1966   int gadget_type_id;
1967   int x, y;
1968   int gadget_id;
1969   int xsize, ysize;
1970   char *value;
1971   char *text_above, *text_above_cropped, *infotext;
1972 } textarea_info[ED_NUM_TEXTAREAS] =
1973 {
1974   {
1975     ED_TEXTAREA_ID_ENVELOPE_INFO,
1976     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1977     GADGET_ID_ENVELOPE_INFO,
1978     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
1979     NULL,
1980     "Envelope Content:", "Envelope Content (cropped):", "Envelope Content"
1981   }
1982 };
1983
1984 static struct ValueTextInfo options_time_or_steps[] =
1985 {
1986   { 0,                          "seconds"                       },
1987   { 1,                          "steps"                         },
1988
1989   { -1,                         NULL                            }
1990 };
1991
1992 static struct ValueTextInfo options_time_score_base[] =
1993 {
1994   { 1,                          "per second/step"               },
1995   { 10,                         "per 10 seconds/steps"          },
1996
1997   { -1,                         NULL                            }
1998 };
1999
2000 static struct ValueTextInfo options_game_engine_type[] =
2001 {
2002   { GAME_ENGINE_TYPE_RND,       "Rocks'n'Diamonds"              },
2003   { GAME_ENGINE_TYPE_BD,        "Boulder Dash"                  },
2004   { GAME_ENGINE_TYPE_EM,        "Emerald Mine"                  },
2005   { GAME_ENGINE_TYPE_SP,        "Supaplex"                      },
2006   { GAME_ENGINE_TYPE_MM,        "Mirror Magic"                  },
2007
2008   { -1,                         NULL                            }
2009 };
2010
2011 static struct ValueTextInfo options_levelset_save_mode[] =
2012 {
2013   { LEVELSET_SAVE_MODE_UPDATE,  "Update this level set"         },
2014   { LEVELSET_SAVE_MODE_CREATE,  "Create new level set"          },
2015
2016   { -1,                         NULL                            }
2017 };
2018
2019 static struct ValueTextInfo options_wind_direction[] =
2020 {
2021   { MV_START_NONE,              "none"                          },
2022   { MV_START_LEFT,              "left"                          },
2023   { MV_START_RIGHT,             "right"                         },
2024   { MV_START_UP,                "up"                            },
2025   { MV_START_DOWN,              "down"                          },
2026
2027   { -1,                         NULL                            }
2028 };
2029
2030 static struct ValueTextInfo options_player_speed[] =
2031 {
2032   { 0,                          "frozen"                        },
2033   { 1,                          "very slow"                     },
2034   { 2,                          "slow"                          },
2035   { 4,                          "normal"                        },
2036   { 8,                          "fast"                          },
2037   { 16,                         "very fast"                     },
2038   { 32,                         "ultrafast"                     },
2039
2040   { -1,                         NULL                            }
2041 };
2042
2043 static struct ValueTextInfo options_access_type[] =
2044 {
2045   { EP_WALKABLE,                "walkable"                      },
2046   { EP_PASSABLE,                "passable"                      },
2047
2048   { -1,                         NULL                            }
2049 };
2050
2051 static struct ValueTextInfo options_access_layer[] =
2052 {
2053   { EP_ACCESSIBLE_OVER,         "over"                          },
2054   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
2055   { EP_ACCESSIBLE_UNDER,        "under"                         },
2056
2057   { -1,                         NULL                            }
2058 };
2059
2060 static struct ValueTextInfo options_access_protected[] =
2061 {
2062   { 0,                          "unprotected"                   },
2063   { 1,                          "protected"                     },
2064
2065   { -1,                         NULL                            }
2066 };
2067
2068 static struct ValueTextInfo options_access_direction[] =
2069 {
2070   { MV_NO_DIRECTION,            "no direction"                  },
2071   { MV_LEFT,                    "left"                          },
2072   { MV_RIGHT,                   "right"                         },
2073   { MV_UP,                      "up"                            },
2074   { MV_DOWN,                    "down"                          },
2075   { MV_LEFT  | MV_UP,           "left + up"                     },
2076   { MV_LEFT  | MV_DOWN,         "left + down"                   },
2077   { MV_RIGHT | MV_UP,           "right + up"                    },
2078   { MV_RIGHT | MV_DOWN,         "right + down"                  },
2079   { MV_HORIZONTAL,              "horizontal"                    },
2080   { MV_VERTICAL,                "vertical"                      },
2081   { MV_HORIZONTAL | MV_UP,      "horizontal + up"               },
2082   { MV_HORIZONTAL | MV_DOWN,    "horizontal + down"             },
2083   { MV_VERTICAL   | MV_LEFT,    "vertical + left"               },
2084   { MV_VERTICAL   | MV_RIGHT,   "vertical + right"              },
2085   { MV_ALL_DIRECTIONS,          "all directions"                },
2086
2087   { -1,                         NULL                            }
2088 };
2089
2090 static struct ValueTextInfo options_walk_to_action[] =
2091 {
2092   { EP_DIGGABLE,                "diggable"                      },
2093   { EP_COLLECTIBLE_ONLY,        "collectible"                   },
2094   { EP_DROPPABLE,               "collectible & droppable"       },
2095   { EP_THROWABLE,               "collectible & throwable"       },
2096   { EP_PUSHABLE,                "pushable"                      },
2097
2098   { -1,                         NULL                            }
2099 };
2100
2101 static struct ValueTextInfo options_move_pattern[] =
2102 {
2103   { MV_LEFT,                    "left"                          },
2104   { MV_RIGHT,                   "right"                         },
2105   { MV_UP,                      "up"                            },
2106   { MV_DOWN,                    "down"                          },
2107   { MV_HORIZONTAL,              "horizontal"                    },
2108   { MV_VERTICAL,                "vertical"                      },
2109   { MV_ALL_DIRECTIONS,          "all directions"                },
2110   { MV_WIND_DIRECTION,          "wind direction"                },
2111   { MV_TOWARDS_PLAYER,          "towards player"                },
2112   { MV_AWAY_FROM_PLAYER,        "away from player"              },
2113   { MV_ALONG_LEFT_SIDE,         "along left side"               },
2114   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
2115   { MV_TURNING_LEFT,            "turning left"                  },
2116   { MV_TURNING_RIGHT,           "turning right"                 },
2117   { MV_TURNING_LEFT_RIGHT,      "turning left, right"           },
2118   { MV_TURNING_RIGHT_LEFT,      "turning right, left"           },
2119   { MV_TURNING_RANDOM,          "turning random"                },
2120   { MV_MAZE_RUNNER,             "maze runner style"             },
2121   { MV_MAZE_HUNTER,             "maze hunter style"             },
2122   { MV_WHEN_PUSHED,             "when pushed"                   },
2123   { MV_WHEN_DROPPED,            "when dropped/thrown"           },
2124
2125   { -1,                         NULL                            }
2126 };
2127
2128 static struct ValueTextInfo options_move_direction[] =
2129 {
2130   { MV_START_AUTOMATIC,         "automatic"                     },
2131   { MV_START_LEFT,              "left"                          },
2132   { MV_START_RIGHT,             "right"                         },
2133   { MV_START_UP,                "up"                            },
2134   { MV_START_DOWN,              "down"                          },
2135   { MV_START_RANDOM,            "random"                        },
2136   { MV_START_PREVIOUS,          "previous"                      },
2137
2138   { -1,                         NULL                            }
2139 };
2140
2141 static struct ValueTextInfo options_move_stepsize[] =
2142 {
2143   { 0,                          "not moving"                    },
2144   { 1,                          "very slow"                     },
2145   { 2,                          "slow"                          },
2146   { 4,                          "normal"                        },
2147   { 8,                          "fast"                          },
2148   { 16,                         "very fast"                     },
2149   { 32,                         "even faster"                   },
2150
2151   { -1,                         NULL                            }
2152 };
2153
2154 static struct ValueTextInfo options_move_leave_type[] =
2155 {
2156   { LEAVE_TYPE_UNLIMITED,       "leave behind"                  },
2157   { LEAVE_TYPE_LIMITED,         "change it to"                  },
2158
2159   { -1,                         NULL                            }
2160 };
2161
2162 static struct ValueTextInfo options_smash_targets[] =
2163 {
2164   { EP_CAN_SMASH_PLAYER,        "player"                        },
2165 #if 0
2166   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
2167 #endif
2168   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
2169
2170   { -1,                         NULL                            }
2171 };
2172
2173 static struct ValueTextInfo options_slippery_type[] =
2174 {
2175   { SLIPPERY_ANY_RANDOM,        "random"                        },
2176   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
2177   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
2178   { SLIPPERY_ONLY_LEFT,         "only left"                     },
2179   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
2180
2181   { -1,                         NULL                            }
2182 };
2183
2184 static struct ValueTextInfo options_deadliness[] =
2185 {
2186   { EP_DONT_RUN_INTO,           "running into"                  },
2187   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
2188   { EP_DONT_GET_HIT_BY,         "getting hit by"                },
2189   { EP_DONT_TOUCH,              "touching"                      },
2190
2191   { -1,                         NULL                            }
2192 };
2193
2194 static struct ValueTextInfo options_explosion_type[] =
2195 {
2196   { EXPLODES_3X3,               "3x3"                           },
2197   { EXPLODES_CROSS,             "3+3"                           },
2198   { EXPLODES_1X1,               "1x1"                           },
2199
2200   { -1,                         NULL                            }
2201 };
2202
2203 static struct ValueTextInfo options_time_units[] =
2204 {
2205   { 1,                          "frames"                        },
2206   { FRAMES_PER_SECOND,          "seconds"                       },
2207
2208   { -1,                         NULL                            }
2209 };
2210
2211 static struct ValueTextInfo options_change_direct_action[] =
2212 {
2213   { CE_TOUCHED_BY_PLAYER,       "touched by player"             },
2214   { CE_PRESSED_BY_PLAYER,       "pressed by player"             },
2215   { CE_SWITCHED_BY_PLAYER,      "switched by player"            },
2216   { CE_SNAPPED_BY_PLAYER,       "snapped by player"             },
2217   { CE_PUSHED_BY_PLAYER,        "pushed by player"              },
2218   { CE_ENTERED_BY_PLAYER,       "entered by player"             },
2219   { CE_LEFT_BY_PLAYER,          "left by player"                },
2220   { CE_DROPPED_BY_PLAYER,       "dropped/thrown by player"      },
2221   { CE_SWITCHED,                "switched"                      },
2222   { CE_HITTING_SOMETHING,       "hitting something"             },
2223   { CE_HIT_BY_SOMETHING,        "hit by something"              },
2224 #if 0
2225   { CE_BLOCKED,                 "blocked"                       },
2226 #endif
2227   { CE_IMPACT,                  "impact (on something)"         },
2228   { CE_SMASHED,                 "smashed (from above)"          },
2229 #if 0
2230   { CE_VALUE_CHANGES,           "CE value changes"              },
2231   { CE_SCORE_CHANGES,           "CE score changes"              },
2232 #endif
2233   { CE_VALUE_GETS_ZERO,         "CE value gets 0"               },
2234   { CE_SCORE_GETS_ZERO,         "CE score gets 0"               },
2235   { CE_UNDEFINED,               " "                             },
2236   { CE_HEADLINE_SPECIAL_EVENTS, "[mouse events]"                },
2237   { CE_CLICKED_BY_MOUSE,        "clicked by mouse"              },
2238   { CE_PRESSED_BY_MOUSE,        "pressed by mouse"              },
2239   { CE_UNDEFINED,               " "                             },
2240   { CE_HEADLINE_SPECIAL_EVENTS, "[static states]"               },
2241   { CE_NEXT_TO_PLAYER,          "next to player"                },
2242
2243   { -1,                         NULL                            }
2244 };
2245
2246 static struct ValueTextInfo options_change_other_action[] =
2247 {
2248   { CE_PLAYER_TOUCHES_X,        "player touches"                },
2249   { CE_PLAYER_PRESSES_X,        "player presses"                },
2250   { CE_PLAYER_SWITCHES_X,       "player switches"               },
2251   { CE_PLAYER_SNAPS_X,          "player snaps"                  },
2252   { CE_PLAYER_PUSHES_X,         "player pushes"                 },
2253   { CE_PLAYER_ENTERS_X,         "player enters"                 },
2254   { CE_PLAYER_LEAVES_X,         "player leaves"                 },
2255   { CE_PLAYER_DIGS_X,           "player digs"                   },
2256   { CE_PLAYER_COLLECTS_X,       "player collects"               },
2257   { CE_PLAYER_DROPS_X,          "player drops/throws"           },
2258   { CE_TOUCHING_X,              "touching"                      },
2259   { CE_HITTING_X,               "hitting"                       },
2260   { CE_DIGGING_X,               "digging"                       },
2261   { CE_HIT_BY_X,                "hit by"                        },
2262   { CE_SWITCH_OF_X,             "switch of"                     },
2263   { CE_CHANGE_OF_X,             "change by page of"             },
2264   { CE_EXPLOSION_OF_X,          "explosion of"                  },
2265   { CE_MOVE_OF_X,               "move of"                       },
2266   { CE_CREATION_OF_X,           "creation of"                   },
2267   { CE_VALUE_CHANGES_OF_X,      "CE value changes of"           },
2268   { CE_SCORE_CHANGES_OF_X,      "CE score changes of"           },
2269   { CE_VALUE_GETS_ZERO_OF_X,    "CE value gets 0 of"            },
2270   { CE_SCORE_GETS_ZERO_OF_X,    "CE score gets 0 of"            },
2271   { CE_UNDEFINED,               " "                             },
2272   { CE_HEADLINE_SPECIAL_EVENTS, "[mouse events]"                },
2273   { CE_MOUSE_CLICKED_ON_X,      "mouse clicked on"              },
2274   { CE_MOUSE_PRESSED_ON_X,      "mouse pressed on"              },
2275   { CE_UNDEFINED,               " "                             },
2276   { CE_HEADLINE_SPECIAL_EVENTS, "[static states]"               },
2277   { CE_PLAYER_NEXT_TO_X,        "player next to"                },
2278   { CE_NEXT_TO_X,               "next to"                       },
2279
2280   { -1,                         NULL                            }
2281 };
2282
2283 static struct ValueTextInfo options_change_trigger_side[] =
2284 {
2285   { CH_SIDE_LEFT,               "left"                          },
2286   { CH_SIDE_RIGHT,              "right"                         },
2287   { CH_SIDE_TOP,                "top"                           },
2288   { CH_SIDE_BOTTOM,             "bottom"                        },
2289   { CH_SIDE_LEFT_RIGHT,         "left/right"                    },
2290   { CH_SIDE_TOP_BOTTOM,         "top/bottom"                    },
2291   { CH_SIDE_ANY,                "any"                           },
2292
2293   { -1,                         NULL                            }
2294 };
2295
2296 static struct ValueTextInfo options_change_trigger_player[] =
2297 {
2298   { CH_PLAYER_1,                "1"                             },
2299   { CH_PLAYER_2,                "2"                             },
2300   { CH_PLAYER_3,                "3"                             },
2301   { CH_PLAYER_4,                "4"                             },
2302   { CH_PLAYER_ANY,              "any"                           },
2303
2304   { -1,                         NULL                            }
2305 };
2306
2307 static struct ValueTextInfo options_change_trigger_page[] =
2308 {
2309   { (1u << 0),                  "1"                             },
2310   { (1u << 1),                  "2"                             },
2311   { (1u << 2),                  "3"                             },
2312   { (1u << 3),                  "4"                             },
2313   { (1u << 4),                  "5"                             },
2314   { (1u << 5),                  "6"                             },
2315   { (1u << 6),                  "7"                             },
2316   { (1u << 7),                  "8"                             },
2317   { (1u << 8),                  "9"                             },
2318   { (1u << 9),                  "10"                            },
2319   { (1u << 10),                 "11"                            },
2320   { (1u << 11),                 "12"                            },
2321   { (1u << 12),                 "13"                            },
2322   { (1u << 13),                 "14"                            },
2323   { (1u << 14),                 "15"                            },
2324   { (1u << 15),                 "16"                            },
2325   { (1u << 16),                 "17"                            },
2326   { (1u << 17),                 "18"                            },
2327   { (1u << 18),                 "19"                            },
2328   { (1u << 19),                 "20"                            },
2329   { (1u << 20),                 "21"                            },
2330   { (1u << 21),                 "22"                            },
2331   { (1u << 22),                 "23"                            },
2332   { (1u << 23),                 "24"                            },
2333   { (1u << 24),                 "25"                            },
2334   { (1u << 25),                 "26"                            },
2335   { (1u << 26),                 "27"                            },
2336   { (1u << 27),                 "28"                            },
2337   { (1u << 28),                 "29"                            },
2338   { (1u << 29),                 "30"                            },
2339   { (1u << 30),                 "31"                            },
2340   { (1u << 31),                 "32"                            },
2341   { CH_PAGE_ANY,                "any"                           },
2342
2343   { -1,                         NULL                            }
2344 };
2345
2346 static struct ValueTextInfo options_change_replace_when[] =
2347 {
2348   { CP_WHEN_EMPTY,              "empty"                         },
2349   { CP_WHEN_WALKABLE,           "walkable"                      },
2350   { CP_WHEN_DIGGABLE,           "diggable"                      },
2351   { CP_WHEN_COLLECTIBLE,        "collectible"                   },
2352   { CP_WHEN_REMOVABLE,          "removable"                     },
2353   { CP_WHEN_DESTRUCTIBLE,       "destructible"                  },
2354
2355   { -1,                         NULL                            }
2356 };
2357
2358 static struct ValueTextInfo options_action_type[] =
2359 {
2360   { CA_NO_ACTION,               "no action"                     },
2361   { CA_UNDEFINED,               " "                             },
2362   { CA_HEADLINE_LEVEL_ACTIONS,  "[level]"                       },
2363   { CA_RESTART_LEVEL,           "restart level"                 },
2364   { CA_SHOW_ENVELOPE,           "show envelope"                 },
2365   { CA_SET_LEVEL_TIME,          "set time"                      },
2366   { CA_SET_LEVEL_SCORE,         "set score"                     },
2367   { CA_SET_LEVEL_GEMS,          "set gems"                      },
2368   { CA_SET_LEVEL_WIND,          "set wind dir."                 },
2369   { CA_SET_LEVEL_RANDOM_SEED,   "set random seed"               },
2370   { CA_UNDEFINED,               " "                             },
2371   { CA_HEADLINE_PLAYER_ACTIONS, "[player]"                      },
2372   { CA_MOVE_PLAYER,             "move player"                   },
2373   { CA_MOVE_PLAYER_NEW,         "move player new"               },
2374   { CA_EXIT_PLAYER,             "exit player"                   },
2375   { CA_KILL_PLAYER,             "kill player"                   },
2376   { CA_SET_PLAYER_KEYS,         "set keys"                      },
2377   { CA_SET_PLAYER_SPEED,        "set speed"                     },
2378   { CA_SET_PLAYER_SHIELD,       "set shield"                    },
2379   { CA_SET_PLAYER_GRAVITY,      "set gravity"                   },
2380   { CA_SET_PLAYER_ARTWORK,      "set artwork"                   },
2381   { CA_SET_PLAYER_INVENTORY,    "set inventory"                 },
2382   { CA_UNDEFINED,               " "                             },
2383   { CA_HEADLINE_CE_ACTIONS,     "[CE]"                          },
2384   { CA_SET_CE_VALUE,            "set CE value"                  },
2385   { CA_SET_CE_SCORE,            "set CE score"                  },
2386   { CA_SET_CE_ARTWORK,          "set CE artwork"                },
2387   { CA_UNDEFINED,               " "                             },
2388   { CA_HEADLINE_ENGINE_ACTIONS, "[engine]"                      },
2389   { CA_SET_ENGINE_SCAN_MODE,    "set scan mode"                 },
2390
2391   { -1,                         NULL                            }
2392 };
2393
2394 static struct ValueTextInfo options_action_mode_none[] =
2395 {
2396   { CA_MODE_UNDEFINED,          " "                             },
2397
2398   { -1,                         NULL                            }
2399 };
2400
2401 static struct ValueTextInfo options_action_mode_assign[] =
2402 {
2403   { CA_MODE_SET,                "="                             },
2404
2405   { -1,                         NULL                            }
2406 };
2407
2408 static struct ValueTextInfo options_action_mode_add_remove[] =
2409 {
2410   { CA_MODE_ADD,                "+"                             },
2411   { CA_MODE_SUBTRACT,           "-"                             },
2412
2413   { -1,                         NULL                            }
2414 };
2415
2416 static struct ValueTextInfo options_action_mode_calculate[] =
2417 {
2418   { CA_MODE_SET,                "="                             },
2419   { CA_MODE_ADD,                "+"                             },
2420   { CA_MODE_SUBTRACT,           "-"                             },
2421   { CA_MODE_MULTIPLY,           "*"                             },
2422   { CA_MODE_DIVIDE,             "/"                             },
2423   { CA_MODE_MODULO,             "%"                             },
2424
2425   { -1,                         NULL                            }
2426 };
2427
2428 static struct ValueTextInfo options_action_arg_none[] =
2429 {
2430   { CA_ARG_UNDEFINED,           "         "                     },
2431
2432   { -1,                         NULL                            }
2433 };
2434
2435 static struct ValueTextInfo options_action_arg_player[] =
2436 {
2437   { CA_ARG_PLAYER_HEADLINE,     "[player]"                      },
2438   { CA_ARG_PLAYER_1,            "1"                             },
2439   { CA_ARG_PLAYER_2,            "2"                             },
2440   { CA_ARG_PLAYER_3,            "3"                             },
2441   { CA_ARG_PLAYER_4,            "4"                             },
2442   { CA_ARG_PLAYER_ANY,          "any"                           },
2443   { CA_ARG_PLAYER_TRIGGER,      "trigger"                       },
2444   { CA_ARG_PLAYER_ACTION,       "action ->"                     },
2445
2446   { -1,                         NULL                            }
2447 };
2448
2449 static struct ValueTextInfo options_action_arg_number[] =
2450 {
2451   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2452   { CA_ARG_0,                   "0"                             },
2453   { CA_ARG_1,                   "1"                             },
2454   { CA_ARG_2,                   "2"                             },
2455   { CA_ARG_3,                   "3"                             },
2456   { CA_ARG_4,                   "4"                             },
2457   { CA_ARG_5,                   "5"                             },
2458   { CA_ARG_10,                  "10"                            },
2459   { CA_ARG_100,                 "100"                           },
2460   { CA_ARG_1000,                "1000"                          },
2461   { CA_ARG_UNDEFINED,           " "                             },
2462   { CA_ARG_NUMBER_MIN,          "min"                           },
2463   { CA_ARG_NUMBER_MAX,          "max"                           },
2464   { CA_ARG_UNDEFINED,           " "                             },
2465   { CA_ARG_NUMBER_RESET,        "reset"                         },
2466   { CA_ARG_UNDEFINED,           " "                             },
2467   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2468   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2469   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2470   { CA_ARG_UNDEFINED,           " "                             },
2471   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2472   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2473   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2474   { CA_ARG_UNDEFINED,           " "                             },
2475   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2476   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2477   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2478   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2479   { CA_ARG_UNDEFINED,           " "                             },
2480   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2481   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2482   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2483   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2484
2485   { -1,                         NULL                            }
2486 };
2487
2488 static struct ValueTextInfo options_action_arg_value[] =
2489 {
2490   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2491   { CA_ARG_0,                   "0"                             },
2492   { CA_ARG_1,                   "1"                             },
2493   { CA_ARG_2,                   "2"                             },
2494   { CA_ARG_3,                   "3"                             },
2495   { CA_ARG_4,                   "4"                             },
2496   { CA_ARG_5,                   "5"                             },
2497   { CA_ARG_10,                  "10"                            },
2498   { CA_ARG_100,                 "100"                           },
2499   { CA_ARG_1000,                "1000"                          },
2500   { CA_ARG_UNDEFINED,           " "                             },
2501   { CA_ARG_NUMBER_MIN,          "min"                           },
2502   { CA_ARG_NUMBER_MAX,          "max"                           },
2503   { CA_ARG_UNDEFINED,           " "                             },
2504   { CA_ARG_NUMBER_RESET,        "reset"                         },
2505   { CA_ARG_UNDEFINED,           " "                             },
2506   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2507   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2508   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2509   { CA_ARG_UNDEFINED,           " "                             },
2510   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2511   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2512   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2513   { CA_ARG_UNDEFINED,           " "                             },
2514   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2515   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2516   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2517   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2518   { CA_ARG_UNDEFINED,           " "                             },
2519   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2520   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2521   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2522   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2523   { CA_ARG_UNDEFINED,           " "                             },
2524   { CA_ARG_ELEMENT_NR_HEADLINE, "[element]"                     },
2525   { CA_ARG_ELEMENT_NR_TARGET,   "target"                        },
2526   { CA_ARG_ELEMENT_NR_TRIGGER,  "trigger"                       },
2527   { CA_ARG_ELEMENT_NR_ACTION,   "action ->"                     },
2528
2529   { -1,                         NULL                            }
2530 };
2531
2532 static struct ValueTextInfo options_action_arg_envelope[] =
2533 {
2534   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2535   { CA_ARG_1,                   "1"                             },
2536   { CA_ARG_2,                   "2"                             },
2537   { CA_ARG_3,                   "3"                             },
2538   { CA_ARG_4,                   "4"                             },
2539   { CA_ARG_UNDEFINED,           " "                             },
2540   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2541   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2542   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2543   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2544
2545   { -1,                         NULL                            }
2546 };
2547
2548 static struct ValueTextInfo options_action_arg_key[] =
2549 {
2550   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2551   { CA_ARG_1,                   "1"                             },
2552   { CA_ARG_2,                   "2"                             },
2553   { CA_ARG_3,                   "3"                             },
2554   { CA_ARG_4,                   "4"                             },
2555   { CA_ARG_5,                   "5"                             },
2556   { CA_ARG_6,                   "6"                             },
2557   { CA_ARG_7,                   "7"                             },
2558   { CA_ARG_8,                   "8"                             },
2559   { CA_ARG_UNDEFINED,           " "                             },
2560   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2561   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2562   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2563   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2564
2565   { -1,                         NULL                            }
2566 };
2567
2568 static struct ValueTextInfo options_action_arg_speed[] =
2569 {
2570   { CA_ARG_SPEED_HEADLINE,      "[speed]"                       },
2571   { CA_ARG_SPEED_NOT_MOVING,    "frozen"                        },
2572   { CA_ARG_SPEED_VERY_SLOW,     "very slow"                     },
2573   { CA_ARG_SPEED_SLOW,          "slow"                          },
2574   { CA_ARG_SPEED_NORMAL,        "normal"                        },
2575   { CA_ARG_SPEED_FAST,          "fast"                          },
2576   { CA_ARG_SPEED_VERY_FAST,     "very fast"                     },
2577   { CA_ARG_SPEED_EVEN_FASTER,   "ultrafast"                     },
2578   { CA_ARG_UNDEFINED,           " "                             },
2579   { CA_ARG_SPEED_SLOWER,        "slower"                        },
2580   { CA_ARG_SPEED_FASTER,        "faster"                        },
2581   { CA_ARG_UNDEFINED,           " "                             },
2582   { CA_ARG_SPEED_RESET,         "reset"                         },
2583
2584   { -1,                         NULL                            }
2585 };
2586
2587 static struct ValueTextInfo options_action_arg_shield[] =
2588 {
2589   { CA_ARG_SHIELD_HEADLINE,     "[shield]"                      },
2590   { CA_ARG_SHIELD_OFF,          "off"                           },
2591   { CA_ARG_SHIELD_NORMAL,       "normal"                        },
2592   { CA_ARG_SHIELD_DEADLY,       "deadly"                        },
2593
2594   { -1,                         NULL                            }
2595 };
2596
2597 static struct ValueTextInfo options_action_arg_artwork[] =
2598 {
2599   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2600   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2601   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2602   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2603   { CA_ARG_UNDEFINED,           " "                             },
2604   { CA_ARG_ELEMENT_RESET,       "reset"                         },
2605
2606   { -1,                         NULL                            }
2607 };
2608
2609 static struct ValueTextInfo options_action_arg_gravity[] =
2610 {
2611   { CA_ARG_GRAVITY_HEADLINE,    "[gravity]"                     },
2612   { CA_ARG_GRAVITY_ON,          "on"                            },
2613   { CA_ARG_GRAVITY_OFF,         "off"                           },
2614   { CA_ARG_GRAVITY_TOGGLE,      "toggle"                        },
2615
2616   { -1,                         NULL                            }
2617 };
2618
2619 static struct ValueTextInfo options_action_arg_direction[] =
2620 {
2621   { CA_ARG_DIRECTION_HEADLINE,  "[dir.]"                        },
2622   { CA_ARG_DIRECTION_NONE,      "none"                          },
2623   { CA_ARG_DIRECTION_LEFT,      "left"                          },
2624   { CA_ARG_DIRECTION_RIGHT,     "right"                         },
2625   { CA_ARG_DIRECTION_UP,        "up"                            },
2626   { CA_ARG_DIRECTION_DOWN,      "down"                          },
2627   { CA_ARG_DIRECTION_TRIGGER,   "trigger"                       },
2628   { CA_ARG_DIRECTION_TRIGGER_BACK, "-trigger"                   },
2629
2630   { -1,                         NULL                            }
2631 };
2632
2633 static struct ValueTextInfo options_action_arg_scan_mode[] =
2634 {
2635   { CA_ARG_SCAN_MODE_HEADLINE,  "[mode]"                        },
2636   { CA_ARG_SCAN_MODE_NORMAL,    "normal"                        },
2637   { CA_ARG_SCAN_MODE_REVERSE,   "reverse"                       },
2638
2639   { -1,                         NULL                            }
2640 };
2641
2642 static struct ValueTextInfo options_action_arg_inventory[] =
2643 {
2644   { CA_ARG_INVENTORY_HEADLINE,  "[add]"                         },
2645   { CA_ARG_ELEMENT_TARGET,      "+ target"                      },
2646   { CA_ARG_ELEMENT_TRIGGER,     "+ trigger"                     },
2647   { CA_ARG_ELEMENT_ACTION,      "+ action"                      },
2648   { CA_ARG_UNDEFINED,           " "                             },
2649   { CA_ARG_INVENTORY_RM_HEADLINE,"[remove]"                     },
2650   { CA_ARG_INVENTORY_RM_TARGET, "- target"                      },
2651   { CA_ARG_INVENTORY_RM_TRIGGER,"- trigger"                     },
2652   { CA_ARG_INVENTORY_RM_ACTION, "- action"                      },
2653   { CA_ARG_INVENTORY_RM_FIRST,  "- first"                       },
2654   { CA_ARG_INVENTORY_RM_LAST,   "- last"                        },
2655   { CA_ARG_INVENTORY_RM_ALL,    "- all"                         },
2656   { CA_ARG_UNDEFINED,           " "                             },
2657   { CA_ARG_INVENTORY_RESET,     "reset"                         },
2658
2659   { -1,                         NULL                            }
2660 };
2661
2662 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
2663 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
2664 {
2665   { -1,                         NULL                            }
2666 };
2667
2668 static struct ValueTextInfo options_group_choice_mode[] =
2669 {
2670   { ANIM_RANDOM,                "random"                        },
2671   { ANIM_LOOP,                  "loop"                          },
2672   { ANIM_LINEAR,                "linear"                        },
2673   { ANIM_PINGPONG,              "pingpong"                      },
2674   { ANIM_PINGPONG2,             "pingpong 2"                    },
2675   { ANIM_LEVEL_NR,              "level number"                  },
2676
2677   { -1,                         NULL                            }
2678 };
2679
2680 static struct ValueTextInfo options_bd_scheduling_type[] =
2681 {
2682   { GD_SCHEDULING_MILLISECONDS,   "Milliseconds"                },
2683   { GD_SCHEDULING_BD1,            "BD1"                         },
2684   { GD_SCHEDULING_BD2,            "BD2"                         },
2685   { GD_SCHEDULING_PLCK,           "Construction Kit"            },
2686   { GD_SCHEDULING_CRDR,           "Crazy Dream 7"               },
2687   { GD_SCHEDULING_BD1_ATARI,      "Atari BD1"                   },
2688   { GD_SCHEDULING_BD2_PLCK_ATARI, "Atari BD2 / PLCK"            },
2689
2690   { -1,                           NULL                          }
2691 };
2692
2693 static struct ValueTextInfo *action_arg_modes[] =
2694 {
2695   options_action_mode_none,
2696   options_action_mode_assign,
2697   options_action_mode_add_remove,
2698   options_action_mode_calculate,
2699 };
2700
2701 static struct
2702 {
2703   int value;
2704   int mode;
2705   struct ValueTextInfo *options;
2706 }
2707 action_arg_options[] =
2708 {
2709   { CA_NO_ACTION,               0,      options_action_arg_none,        },
2710   { CA_EXIT_PLAYER,             0,      options_action_arg_player,      },
2711   { CA_KILL_PLAYER,             0,      options_action_arg_player,      },
2712   { CA_MOVE_PLAYER,             0,      options_action_arg_direction,   },
2713   { CA_MOVE_PLAYER_NEW,         0,      options_action_arg_direction,   },
2714   { CA_RESTART_LEVEL,           0,      options_action_arg_none,        },
2715   { CA_SHOW_ENVELOPE,           0,      options_action_arg_envelope,    },
2716   { CA_SET_LEVEL_TIME,          3,      options_action_arg_number,      },
2717   { CA_SET_LEVEL_GEMS,          3,      options_action_arg_number,      },
2718   { CA_SET_LEVEL_SCORE,         3,      options_action_arg_number,      },
2719   { CA_SET_LEVEL_WIND,          1,      options_action_arg_direction,   },
2720   { CA_SET_LEVEL_RANDOM_SEED,   1,      options_action_arg_number,      },
2721   { CA_SET_PLAYER_KEYS,         2,      options_action_arg_key,         },
2722   { CA_SET_PLAYER_SPEED,        1,      options_action_arg_speed,       },
2723   { CA_SET_PLAYER_SHIELD,       1,      options_action_arg_shield,      },
2724   { CA_SET_PLAYER_GRAVITY,      1,      options_action_arg_gravity,     },
2725   { CA_SET_PLAYER_ARTWORK,      1,      options_action_arg_artwork,     },
2726   { CA_SET_PLAYER_INVENTORY,    0,      options_action_arg_inventory,   },
2727   { CA_SET_CE_VALUE,            3,      options_action_arg_value,       },
2728   { CA_SET_CE_SCORE,            3,      options_action_arg_value,       },
2729   { CA_SET_CE_ARTWORK,          1,      options_action_arg_artwork,     },
2730   { CA_SET_ENGINE_SCAN_MODE,    1,      options_action_arg_scan_mode,   },
2731
2732   { -1,                         FALSE,  NULL                            }
2733 };
2734
2735 static struct
2736 {
2737   int gadget_type_id;
2738   int x, y;
2739   int gadget_id;
2740   int gadget_id_align;
2741   int size;     // char size of selectbox or '-1' (dynamically determined)
2742   struct ValueTextInfo *options;
2743   int *value;
2744   char *text_above, *text_left, *text_right, *infotext;
2745 } selectbox_info[ED_NUM_SELECTBOX] =
2746 {
2747   // ---------- level and editor settings -------------------------------------
2748
2749   {
2750     ED_SELECTBOX_ID_TIME_OR_STEPS,
2751     -1,                                 ED_LEVEL_SETTINGS_YPOS(8),
2752     GADGET_ID_TIME_OR_STEPS,            GADGET_ID_LEVEL_TIMELIMIT_UP,
2753     -1,
2754     options_time_or_steps,
2755     &level.use_step_counter,
2756     NULL, NULL, "(0 => no limit)",      "Select time or step limit"
2757   },
2758   {
2759     ED_SELECTBOX_ID_TIME_SCORE_BASE,
2760     -1,                                 ED_LEVEL_SETTINGS_YPOS(10),
2761     GADGET_ID_TIME_SCORE_BASE,          GADGET_ID_LEVEL_TIMESCORE_UP,
2762     -1,
2763     options_time_score_base,
2764     &level.time_score_base,
2765     NULL, NULL, NULL,                   "Select time score for 1 or 10 seconds/steps"
2766   },
2767   {
2768     ED_SELECTBOX_ID_GAME_ENGINE_TYPE,
2769     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(12),
2770     GADGET_ID_GAME_ENGINE_TYPE,         GADGET_ID_NONE,
2771     -1,
2772     options_game_engine_type,
2773     &level.game_engine_type,
2774     NULL, "Game engine:", NULL,         "Select game engine"
2775   },
2776   {
2777     ED_SELECTBOX_ID_BD_SCHEDULING_TYPE,
2778     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
2779     GADGET_ID_BD_SCHEDULING_TYPE,       GADGET_ID_NONE,
2780     -1,
2781     options_bd_scheduling_type,
2782     &level.bd_scheduling_type,
2783     NULL, "Scheduling type:", NULL,     "Select level timing"
2784   },
2785   {
2786     ED_SELECTBOX_ID_LEVELSET_SAVE_MODE,
2787     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
2788     GADGET_ID_LEVELSET_SAVE_MODE,       GADGET_ID_NONE,
2789     -1,
2790     options_levelset_save_mode,
2791     &levelset_save_mode,
2792     "Action:", NULL, NULL,              "Select action when saving level set"
2793   },
2794
2795   // ---------- element settings: configure (several elements) ----------------
2796
2797   {
2798     ED_SELECTBOX_ID_WIND_DIRECTION,
2799     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2800     GADGET_ID_WIND_DIRECTION,           GADGET_ID_NONE,
2801     -1,
2802     options_wind_direction,
2803     &level.wind_direction_initial,
2804     NULL, "Initial wind direction:", NULL,      "Select initial wind direction"
2805   },
2806   {
2807     ED_SELECTBOX_ID_PLAYER_SPEED,
2808     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2809     GADGET_ID_PLAYER_SPEED,             GADGET_ID_NONE,
2810     -1,
2811     options_player_speed,
2812     &level.initial_player_stepsize[0],
2813     NULL, "Initial player speed:", NULL,        "Select initial player speed"
2814   },
2815   {
2816     ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE,
2817     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2818     GADGET_ID_MM_BALL_CHOICE_MODE,      GADGET_ID_NONE,
2819     -1,
2820     options_group_choice_mode,
2821     &level.mm_ball_choice_mode,
2822     NULL, "Choice type:", NULL,         "Select type of content choice"
2823   },
2824
2825   // ---------- element settings: configure 1 (custom elements) ---------------
2826
2827   {
2828     ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE,
2829     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2830     GADGET_ID_CUSTOM_ACCESS_TYPE,       GADGET_ID_NONE,
2831     -1,
2832     options_access_type,
2833     &custom_element.access_type,
2834     NULL, NULL, NULL,                   "Select type of access to this field"
2835   },
2836   {
2837     ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER,
2838     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2839     GADGET_ID_CUSTOM_ACCESS_LAYER,      GADGET_ID_CUSTOM_ACCESS_TYPE,
2840     -1,
2841     options_access_layer,
2842     &custom_element.access_layer,
2843     NULL, NULL, NULL,                   "Select layer of access for this field"
2844   },
2845   {
2846     ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED,
2847     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2848     GADGET_ID_CUSTOM_ACCESS_PROTECTED,  GADGET_ID_CUSTOM_ACCESS_LAYER,
2849     -1,
2850     options_access_protected,
2851     &custom_element.access_protected,
2852     NULL, NULL, NULL,                   "Select protected access for this field"
2853   },
2854   {
2855     ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION,
2856     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2857     GADGET_ID_CUSTOM_ACCESS_DIRECTION,  GADGET_ID_NONE,
2858     -1,
2859     options_access_direction,
2860     &custom_element.access_direction,
2861     NULL, "from", NULL,                 "Select access direction for this field"
2862   },
2863   {
2864     ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION,
2865     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2866     GADGET_ID_CUSTOM_WALK_TO_ACTION,    GADGET_ID_NONE,
2867     -1,
2868     options_walk_to_action,
2869     &custom_element.walk_to_action,
2870     NULL, NULL, NULL,                   "Select diggable/collectible/pushable"
2871   },
2872
2873   // ---------- element settings: configure 2 (custom elements) ---------------
2874
2875   {
2876     ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN,
2877     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(1),
2878     GADGET_ID_CUSTOM_MOVE_PATTERN,      GADGET_ID_NONE,
2879     -1,
2880     options_move_pattern,
2881     &custom_element.move_pattern,
2882     NULL, "Can move", NULL,             "Select element move pattern"
2883   },
2884   {
2885     ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION,
2886     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2887     GADGET_ID_CUSTOM_MOVE_DIRECTION,    GADGET_ID_NONE,
2888     -1,
2889     options_move_direction,
2890     &custom_element.move_direction_initial,
2891     NULL, "Starts moving", NULL,        "Select initial element move direction"
2892   },
2893   {
2894     ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE,
2895     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2896     GADGET_ID_CUSTOM_MOVE_STEPSIZE,     GADGET_ID_NONE,
2897     -1,
2898     options_move_stepsize,
2899     &custom_element.move_stepsize,
2900     NULL, "Move/fall speed", NULL,      "Select speed of element movement"
2901   },
2902   {
2903     ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE,
2904     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2905     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,   GADGET_ID_NONE,
2906     -1,
2907     options_move_leave_type,
2908     &custom_element.move_leave_type,
2909     // left text with leading spaces to place gadget next to "can dig" gadget
2910     // (needed because drawing area gadgets created after selectbox gadgets)
2911     // NULL, "can dig:    can", ":",    "leave behind or change element"
2912     NULL, "            Can", ":",       "Select leave behind or change element"
2913   },
2914   {
2915     ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS,
2916     -1,                                 ED_ELEMENT_SETTINGS_YPOS(8),
2917     GADGET_ID_CUSTOM_SMASH_TARGETS,     GADGET_ID_CUSTOM_CAN_SMASH,
2918     -1,
2919     options_smash_targets,
2920     &custom_element.smash_targets,
2921     NULL, "Can smash", NULL,            "Select elements that can be smashed"
2922   },
2923   {
2924     ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE,
2925     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
2926     GADGET_ID_CUSTOM_SLIPPERY_TYPE,     GADGET_ID_NONE,
2927     -1,
2928     options_slippery_type,
2929     &custom_element.slippery_type,
2930     NULL, "Slippery", NULL,             "Select where other elements fall down"
2931   },
2932   {
2933     ED_SELECTBOX_ID_CUSTOM_DEADLINESS,
2934     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(10),
2935     GADGET_ID_CUSTOM_DEADLINESS,        GADGET_ID_NONE,
2936     -1,
2937     options_deadliness,
2938     &custom_element.deadliness,
2939     NULL, "Deadly when", NULL,          "Select deadliness of element"
2940   },
2941   {
2942     ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE,
2943     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(11),
2944     GADGET_ID_CUSTOM_EXPLOSION_TYPE,    GADGET_ID_NONE,
2945     -1,
2946     options_explosion_type,
2947     &custom_element.explosion_type,
2948     NULL, "Can explode", NULL,          "Select explosion type"
2949   },
2950
2951   // ---------- element settings: advanced (custom elements) ------------------
2952
2953   {
2954     ED_SELECTBOX_ID_CHANGE_TIME_UNITS,
2955     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(3),
2956     GADGET_ID_CHANGE_TIME_UNITS,        GADGET_ID_NONE,
2957     -1,
2958     options_time_units,
2959     &custom_element_change.delay_frames,
2960     NULL, "Delay time given in", NULL,  "Select delay time units for change"
2961   },
2962   {
2963     ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION,
2964     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(4),
2965     GADGET_ID_CHANGE_DIRECT_ACTION,     GADGET_ID_NONE,
2966     -1,
2967     options_change_direct_action,
2968     &custom_element_change.direct_action,
2969     NULL, NULL, NULL,                   "Select type of direct action"
2970   },
2971   {
2972     ED_SELECTBOX_ID_CHANGE_OTHER_ACTION,
2973     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(5),
2974     GADGET_ID_CHANGE_OTHER_ACTION,      GADGET_ID_NONE,
2975     -1,
2976     options_change_other_action,
2977     &custom_element_change.other_action,
2978     NULL, NULL, "element:",             "Select type of other element action"
2979   },
2980   {
2981     ED_SELECTBOX_ID_CHANGE_SIDE,
2982     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(6),
2983     GADGET_ID_CHANGE_SIDE,              GADGET_ID_NONE,
2984     -1,
2985     options_change_trigger_side,
2986     &custom_element_change.trigger_side,
2987     NULL, "at", "side",                 "Select element side triggering change"
2988   },
2989   {
2990     ED_SELECTBOX_ID_CHANGE_PLAYER,
2991     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2992     GADGET_ID_CHANGE_PLAYER,            GADGET_ID_NONE,
2993     -1,
2994     options_change_trigger_player,
2995     &custom_element_change.trigger_player,
2996     NULL, "Player:", " ",               "Select player that causes change"
2997   },
2998   {
2999     ED_SELECTBOX_ID_CHANGE_PAGE,
3000     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
3001     GADGET_ID_CHANGE_PAGE,              GADGET_ID_CHANGE_PLAYER,
3002     -1,
3003     options_change_trigger_page,
3004     &custom_element_change.trigger_page,
3005     NULL, "Page:", NULL,                "Select change page that causes change"
3006   },
3007   {
3008     ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN,
3009     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(10),
3010     GADGET_ID_CHANGE_REPLACE_WHEN,      GADGET_ID_NONE,
3011     -1,
3012     options_change_replace_when,
3013     &custom_element_change.replace_when,
3014     NULL, "Replace when", NULL,         "Select which elements can be replaced"
3015   },
3016   {
3017     ED_SELECTBOX_ID_ACTION_TYPE,
3018     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
3019     GADGET_ID_ACTION_TYPE,              GADGET_ID_NONE,
3020     15,
3021     options_action_type,
3022     &custom_element_change.action_type,
3023     NULL, NULL, NULL,                   "Select action on specified condition"
3024   },
3025   {
3026     ED_SELECTBOX_ID_ACTION_MODE,
3027     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
3028     GADGET_ID_ACTION_MODE,              GADGET_ID_ACTION_TYPE,
3029     -1,
3030     options_action_mode_none,
3031     &custom_element_change.action_mode,
3032     NULL, NULL, NULL,                   "Select action operator"
3033   },
3034   {
3035     ED_SELECTBOX_ID_ACTION_ARG,
3036     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
3037     GADGET_ID_ACTION_ARG,               GADGET_ID_ACTION_MODE,
3038     -1,
3039     options_action_arg_none,
3040     &custom_element_change.action_arg,
3041     NULL, NULL, NULL,                   "Select action parameter"
3042   },
3043   {
3044     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE,
3045     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
3046     GADGET_ID_SELECT_CHANGE_PAGE,       GADGET_ID_NONE,
3047     3,
3048     options_change_page,
3049     &custom_element.current_change_page,
3050     NULL, NULL, NULL,                   "Select element change page"
3051   },
3052
3053   // ---------- element settings: configure (group elements) ------------------
3054
3055   {
3056     ED_SELECTBOX_ID_GROUP_CHOICE_MODE,
3057     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3058     GADGET_ID_GROUP_CHOICE_MODE,        GADGET_ID_NONE,
3059     -1,
3060     options_group_choice_mode,
3061     &group_element_info.choice_mode,
3062     NULL, "Choice type:", NULL,         "Select type of group element choice"
3063   },
3064 };
3065
3066 static struct
3067 {
3068   int gadget_type_id;
3069   int x, y;
3070   int gadget_id;
3071   int gadget_id_align;
3072   int size;
3073   char *text;
3074   char *text_above, *text_left, *text_right, *infotext;
3075 } textbutton_info[ED_NUM_TEXTBUTTONS] =
3076 {
3077   // ---------- level and editor settings (tabs) ------------------------------
3078
3079   {
3080     ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL,
3081     ED_LEVEL_TABS_XPOS(0),              ED_LEVEL_TABS_YPOS(0),
3082     GADGET_ID_LEVELCONFIG_LEVEL,        GADGET_ID_NONE,
3083     8,                                  "Level",
3084     NULL, NULL, NULL,                   "Configure level settings"
3085   },
3086   {
3087     ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET,
3088     -1,                                 -1,
3089     GADGET_ID_LEVELCONFIG_LEVELSET,     GADGET_ID_LEVELCONFIG_LEVEL,
3090     8,                                  "Levelset",
3091     NULL, NULL, NULL,                   "Update this or create new level set"
3092   },
3093   {
3094     ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR,
3095     -1,                                 -1,
3096     GADGET_ID_LEVELCONFIG_EDITOR,       GADGET_ID_LEVELCONFIG_LEVELSET,
3097     8,                                  "Editor",
3098     NULL, NULL, NULL,                   "Configure editor settings"
3099   },
3100   {
3101     ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE,
3102     -1,                                 -1,
3103     GADGET_ID_LEVELCONFIG_ENGINE,       GADGET_ID_LEVELCONFIG_EDITOR,
3104     8,                                  "Engine",
3105     NULL, NULL, NULL,                   "Configure engine settings"
3106   },
3107
3108   // ---------- element settings (tabs) ---------------------------------------
3109
3110   {
3111     ED_TEXTBUTTON_ID_PROPERTIES_INFO,
3112     ED_ELEMENT_TABS_XPOS(0),            ED_ELEMENT_TABS_YPOS(0),
3113     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
3114     8,                                  "Info",
3115     NULL, NULL, NULL,                   "Show information about element"
3116   },
3117   {
3118     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG,
3119     -1,                                 -1,
3120     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_PROPERTIES_INFO,
3121     8,                                  "Config",
3122     NULL, NULL, NULL,                   "Configure element properties"
3123   },
3124   {
3125     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1,
3126     -1,                                 -1,
3127     GADGET_ID_PROPERTIES_CONFIG_1,      GADGET_ID_PROPERTIES_INFO,
3128     8,                                  "Config 1",
3129     NULL, NULL, NULL,                   "Configure element properties, part 1"
3130   },
3131   {
3132     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2,
3133     -1,                                 -1,
3134     GADGET_ID_PROPERTIES_CONFIG_2,      GADGET_ID_PROPERTIES_CONFIG_1,
3135     8,                                  "Config 2",
3136     NULL, NULL, NULL,                   "Configure element properties, part 2"
3137   },
3138   {
3139     ED_TEXTBUTTON_ID_PROPERTIES_CHANGE,
3140     -1,                                 -1,
3141     GADGET_ID_PROPERTIES_CHANGE,        GADGET_ID_PROPERTIES_CONFIG_2,
3142     8,                                  "Change",
3143     NULL, NULL, NULL,                   "Configure custom element change pages"
3144   },
3145
3146   // ---------- level and editor settings (buttons) ---------------------------
3147
3148   {
3149     ED_TEXTBUTTON_ID_SAVE_LEVELSET,
3150     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
3151     GADGET_ID_SAVE_LEVELSET,            GADGET_ID_LEVELSET_SAVE_MODE,
3152     -1,                                 "Save",
3153     NULL, NULL, NULL,                   "Update or create level set"
3154   },
3155   {
3156     ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2,
3157     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
3158     GADGET_ID_SAVE_AS_TEMPLATE_2,       GADGET_ID_NONE,
3159     -1,                                 "Save",
3160     NULL, NULL,                         "this level as level template",
3161     "Save current settings as new template"
3162   },
3163
3164   // ---------- element settings (buttons) ------------------------------------
3165
3166   {
3167     ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1,
3168     -1,                                 -1,
3169     GADGET_ID_SAVE_AS_TEMPLATE_1,       GADGET_ID_CUSTOM_USE_TEMPLATE_1,
3170     -1,                                 "Save",
3171     NULL, " ",                          "As Template",
3172     "Save current settings as new template"
3173   },
3174   {
3175     ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE,
3176     -1,                                 -1,
3177     GADGET_ID_ADD_CHANGE_PAGE,          GADGET_ID_PASTE_CHANGE_PAGE,
3178     -1,                                 "New",
3179     NULL, NULL, NULL,                   "Add new change page"
3180   },
3181   {
3182     ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE,
3183     -1,                                 -1,
3184     GADGET_ID_DEL_CHANGE_PAGE,          GADGET_ID_ADD_CHANGE_PAGE,
3185     -1,                                 "Delete",
3186     NULL, NULL, NULL,                   "Delete current change page"
3187   },
3188 };
3189
3190 static struct
3191 {
3192   int gadget_type_id;
3193   int graphic;
3194   int x, y;
3195   int gadget_id;
3196   int gadget_id_align;
3197   char *text_left, *text_right, *infotext;
3198 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
3199 {
3200   {
3201     ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE,
3202     IMG_EDITOR_COUNTER_DOWN,
3203     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3204     GADGET_ID_PREV_CHANGE_PAGE,         GADGET_ID_NONE,
3205     NULL, NULL,                         "Select previous change page"
3206   },
3207   {
3208     ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE,
3209     IMG_EDITOR_COUNTER_UP,
3210     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
3211     GADGET_ID_NEXT_CHANGE_PAGE,         GADGET_ID_SELECT_CHANGE_PAGE,
3212     NULL, "Change page",                "Select next change page"
3213   },
3214   {
3215     ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE,
3216     IMG_GFX_EDITOR_BUTTON_CP_COPY,
3217     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
3218     GADGET_ID_COPY_CHANGE_PAGE,         GADGET_ID_NEXT_CHANGE_PAGE,
3219     " ", NULL,                          "Copy settings from this change page"
3220   },
3221   {
3222     ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE,
3223     IMG_GFX_EDITOR_BUTTON_CP_PASTE,
3224     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
3225     GADGET_ID_PASTE_CHANGE_PAGE,        GADGET_ID_COPY_CHANGE_PAGE,
3226     NULL, NULL,                         "Paste settings to this change page"
3227   },
3228 };
3229
3230 static struct
3231 {
3232   int x, y;
3233 } scrollbutton_pos[ED_NUM_SCROLLBUTTONS];
3234
3235 static struct
3236 {
3237   int gadget_type_id;
3238   int graphic;
3239   int gadget_id;
3240   char *infotext;
3241 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
3242 {
3243   {
3244     ED_SCROLLBUTTON_ID_AREA_UP,
3245     IMG_EDITOR_PLAYFIELD_SCROLL_UP,
3246     GADGET_ID_SCROLL_UP,
3247     "Scroll level editing area up"
3248   },
3249   {
3250     ED_SCROLLBUTTON_ID_AREA_DOWN,
3251     IMG_EDITOR_PLAYFIELD_SCROLL_DOWN,
3252     GADGET_ID_SCROLL_DOWN,
3253     "Scroll level editing area down"
3254   },
3255   {
3256     ED_SCROLLBUTTON_ID_AREA_LEFT,
3257     IMG_EDITOR_PLAYFIELD_SCROLL_LEFT,
3258     GADGET_ID_SCROLL_LEFT,
3259     "Scroll level editing area left"
3260   },
3261   {
3262     ED_SCROLLBUTTON_ID_AREA_RIGHT,
3263     IMG_EDITOR_PLAYFIELD_SCROLL_RIGHT,
3264     GADGET_ID_SCROLL_RIGHT,
3265     "Scroll level editing area right"
3266   },
3267   {
3268     ED_SCROLLBUTTON_ID_LIST_UP,
3269     IMG_EDITOR_PALETTE_SCROLL_UP,
3270     GADGET_ID_SCROLL_LIST_UP,
3271     "Scroll element list up ('Page Up')"
3272   },
3273   {
3274     ED_SCROLLBUTTON_ID_LIST_DOWN,
3275     IMG_EDITOR_PALETTE_SCROLL_DOWN,
3276     GADGET_ID_SCROLL_LIST_DOWN,
3277     "Scroll element list down ('Page Down')"
3278   },
3279 };
3280
3281 static struct
3282 {
3283   int x, y;
3284   int width, height;
3285   int wheel_x, wheel_y;
3286   int wheel_width, wheel_height;
3287 } scrollbar_pos[ED_NUM_SCROLLBARS];
3288
3289 static struct
3290 {
3291   int gadget_type_id;
3292   int graphic;
3293   int type;
3294   int gadget_id;
3295   char *infotext;
3296 } scrollbar_info[ED_NUM_SCROLLBARS] =
3297 {
3298   {
3299     ED_SCROLLBAR_ID_AREA_HORIZONTAL,
3300     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
3301     GD_TYPE_SCROLLBAR_HORIZONTAL,
3302     GADGET_ID_SCROLL_HORIZONTAL,
3303     "Scroll level editing area horizontally"
3304   },
3305   {
3306     ED_SCROLLBAR_ID_AREA_VERTICAL,
3307     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
3308     GD_TYPE_SCROLLBAR_VERTICAL,
3309     GADGET_ID_SCROLL_VERTICAL,
3310     "Scroll level editing area vertically"
3311   },
3312   {
3313     ED_SCROLLBAR_ID_LIST_VERTICAL,
3314     IMG_EDITOR_PALETTE_SCROLLBAR,
3315     GD_TYPE_SCROLLBAR_VERTICAL,
3316     GADGET_ID_SCROLL_LIST_VERTICAL,
3317     "Scroll element list vertically"
3318   }
3319 };
3320
3321
3322 static struct
3323 {
3324   int gadget_type_id;
3325   int x, y;
3326   int gadget_id;
3327   int gadget_id_align;
3328   int radio_button_nr;
3329   int *value;
3330   int checked_value;
3331   char *text_left, *text_right, *infotext;
3332 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
3333 {
3334   {
3335     ED_RADIOBUTTON_ID_PERCENTAGE,
3336     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
3337     GADGET_ID_RANDOM_PERCENTAGE,        GADGET_ID_LEVEL_RANDOM_UP,
3338     RADIO_NR_RANDOM_ELEMENTS,
3339     &random_placement_method,           RANDOM_USE_PERCENTAGE,
3340     " ", "percentage",                  "Use percentage for random elements"
3341   },
3342   {
3343     ED_RADIOBUTTON_ID_QUANTITY,
3344     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
3345     GADGET_ID_RANDOM_QUANTITY,          GADGET_ID_RANDOM_PERCENTAGE,
3346     RADIO_NR_RANDOM_ELEMENTS,
3347     &random_placement_method,           RANDOM_USE_QUANTITY,
3348     " ", "quantity",                    "Use quantity for random elements"
3349   }
3350 };
3351
3352 static struct
3353 {
3354   int gadget_type_id;
3355   int x, y;
3356   int gadget_id;
3357   int gadget_id_align;
3358   boolean *value;
3359   char *text_above, *text_left, *text_right, *infotext;
3360 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
3361 {
3362   // ---------- level and editor settings -------------------------------------
3363
3364   {
3365     ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS,
3366     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
3367     GADGET_ID_AUTO_COUNT_GEMS,          GADGET_ID_NONE,
3368     &level.auto_count_gems,
3369     NULL, NULL,
3370     "Automatically count gems needed",  "Set counter to number of gems"
3371   },
3372   {
3373     ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE,
3374     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(11),
3375     GADGET_ID_RATE_TIME_OVER_SCORE,     GADGET_ID_NONE,
3376     &level.rate_time_over_score,
3377     NULL, NULL,
3378     "Rate time/steps used over score",  "Sort high scores by playing time/steps"
3379   },
3380   {
3381     ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK,
3382     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(7),
3383     GADGET_ID_USE_LEVELSET_ARTWORK,     GADGET_ID_NONE,
3384     &levelset_use_levelset_artwork,
3385     NULL, NULL,
3386     "Use current custom artwork",       "Use custom artwork of this level set"
3387   },
3388   {
3389     ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE,
3390     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
3391     GADGET_ID_COPY_LEVEL_TEMPLATE,      GADGET_ID_NONE,
3392     &levelset_copy_level_template,
3393     NULL, NULL,
3394     "Copy current level template",      "Copy level template of this level set"
3395   },
3396   {
3397     ED_CHECKBUTTON_ID_RANDOM_RESTRICTED,
3398     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
3399     GADGET_ID_RANDOM_RESTRICTED,        GADGET_ID_NONE,
3400     &random_placement_background_restricted,
3401     NULL, NULL,
3402     "Restrict random placement to:",    "Set random placement restriction"
3403   },
3404   {
3405     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3,
3406     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
3407     GADGET_ID_CUSTOM_USE_TEMPLATE_3,    GADGET_ID_NONE,
3408     &setup.editor.use_template_for_new_levels,
3409     "Template for new levels and CE/GE:", NULL,
3410     "Use template for new levels",      "Use template for level properties"
3411   },
3412   {
3413     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2,
3414     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
3415     GADGET_ID_CUSTOM_USE_TEMPLATE_2,    GADGET_ID_NONE,
3416     &level.use_custom_template,
3417     NULL, NULL,
3418     "Use template for custom elements", "Use template for custom properties"
3419   },
3420   {
3421     ED_CHECKBUTTON_ID_BD_INTERMISSION,
3422     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
3423     GADGET_ID_BD_INTERMISSION,          GADGET_ID_NONE,
3424     &level.bd_intermission,
3425     "Boulder Dash game engine settings:", NULL,
3426     "Intermission",                     "Level is an intermission level"
3427   },
3428   {
3429     ED_CHECKBUTTON_ID_BD_PAL_TIMING,
3430     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
3431     GADGET_ID_BD_PAL_TIMING,            GADGET_ID_NONE,
3432     &level.bd_pal_timing,
3433     NULL, NULL,
3434     "PAL timing",                       "Use slower timer (like PAL C64)"
3435   },
3436   {
3437     ED_CHECKBUTTON_ID_BD_LINE_SHIFTING_BORDERS,
3438     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
3439     GADGET_ID_BD_LINE_SHIFTING_BORDERS, GADGET_ID_NONE,
3440     &level.bd_line_shifting_borders,
3441     "Compatibility settings:", NULL,
3442     "Line-shifting borders",            "Use line-shifting wrap-around"
3443   },
3444   {
3445     ED_CHECKBUTTON_ID_BD_SCAN_FIRST_AND_LAST_ROW,
3446     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(7),
3447     GADGET_ID_BD_SCAN_FIRST_AND_LAST_ROW, GADGET_ID_NONE,
3448     &level.bd_scan_first_and_last_row,
3449     NULL, NULL,
3450     "Scan first and last row",          "Also process top/bottom border rows"
3451   },
3452   {
3453     ED_CHECKBUTTON_ID_BD_SHORT_EXPLOSIONS,
3454     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
3455     GADGET_ID_BD_SHORT_EXPLOSIONS,      GADGET_ID_NONE,
3456     &level.bd_short_explosions,
3457     NULL, NULL,
3458     "Short explosions",                 "Use four game cycles for explosions"
3459   },
3460   {
3461     ED_CHECKBUTTON_ID_BD_GRAVITY_AFFECTS_ALL,
3462     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(9),
3463     GADGET_ID_BD_GRAVITY_AFFECTS_ALL,   GADGET_ID_NONE,
3464     &level.bd_gravity_affects_all,
3465     NULL, NULL,
3466     "Gravity change affects everything", "Gravity affects all falling objects"
3467   },
3468
3469   // ---------- element settings: configure (various elements) ----------------
3470
3471   {
3472     ED_CHECKBUTTON_ID_STICK_ELEMENT,
3473     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3474     GADGET_ID_STICK_ELEMENT,            GADGET_ID_NONE,
3475     &stick_element_properties_window,
3476     NULL, NULL,
3477     "Stick this screen to edit content","Stick this screen to edit content"
3478   },
3479   {
3480     ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS,
3481     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3482     GADGET_ID_EM_SLIPPERY_GEMS,         GADGET_ID_NONE,
3483     &level.em_slippery_gems,
3484     NULL, NULL,
3485     "Slip down from certain flat walls","Use EM/DC style slipping behaviour"
3486   },
3487   {
3488     ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE,
3489     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3490     GADGET_ID_EM_EXPLODES_BY_FIRE,      GADGET_ID_NONE,
3491     &level.em_explodes_by_fire,
3492     NULL, NULL,
3493     "Explodes with chain reaction",     "Use R'n'D style explosion behaviour"
3494   },
3495   {
3496     ED_CHECKBUTTON_ID_USE_SPRING_BUG,
3497     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3498     GADGET_ID_USE_SPRING_BUG,           GADGET_ID_NONE,
3499     &level.use_spring_bug,
3500     NULL, NULL,
3501     "Use spring pushing bug",           "Use odd spring pushing behaviour"
3502   },
3503   {
3504     ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG,
3505     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3506     GADGET_ID_USE_TIME_ORB_BUG,         GADGET_ID_NONE,
3507     &level.use_time_orb_bug,
3508     NULL, NULL,
3509     "Use time orb bug",                 "Use odd time orb behaviour"
3510   },
3511   {
3512     ED_CHECKBUTTON_ID_USE_LIFE_BUGS,
3513     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3514     GADGET_ID_USE_LIFE_BUGS,            GADGET_ID_NONE,
3515     &level.use_life_bugs,
3516     NULL, NULL,
3517     "Use buggy element behaviour",      "Use odd (historic) element behaviour"
3518   },
3519   {
3520     ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT,
3521     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3522     GADGET_ID_RANDOM_BALL_CONTENT,      GADGET_ID_NONE,
3523     &level.ball_random,
3524     NULL, NULL,
3525     "Create single random element",     "Only create one element from content"
3526   },
3527   {
3528     ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE,
3529     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3530     GADGET_ID_INITIAL_BALL_ACTIVE,      GADGET_ID_NONE,
3531     &level.ball_active_initial,
3532     NULL, NULL,
3533     "Magic ball initially activated",   "Activate magic ball after level start"
3534   },
3535   {
3536     ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE,
3537     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3538     GADGET_ID_GROW_INTO_DIGGABLE,       GADGET_ID_NONE,
3539     &level.grow_into_diggable,
3540     NULL, NULL,
3541     "Can grow into anything diggable",  "Grow into more than just sand"
3542   },
3543   {
3544     ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED,
3545     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3546     GADGET_ID_SB_FIELDS_NEEDED,         GADGET_ID_NONE,
3547     &level.sb_fields_needed,
3548     NULL, NULL,
3549     "All fields need to be filled",     "Require all SB fields to be solved"
3550   },
3551   {
3552     ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED,
3553     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3554     GADGET_ID_SB_OBJECTS_NEEDED,        GADGET_ID_NONE,
3555     &level.sb_objects_needed,
3556     NULL, NULL,
3557     "All objects need to be placed",    "Require all SB objects to be solved"
3558   },
3559   {
3560     ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN,
3561     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3562     GADGET_ID_AUTO_EXIT_SOKOBAN,        GADGET_ID_NONE,
3563     &level.auto_exit_sokoban,
3564     NULL, NULL,
3565     "Exit level if all tasks solved",   "Automatically finish Sokoban levels"
3566   },
3567   {
3568     ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER,
3569     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3570     GADGET_ID_SOLVED_BY_ONE_PLAYER,     GADGET_ID_NONE,
3571     &level.solved_by_one_player,
3572     NULL, NULL,
3573     "Only one player must enter exit",  "Level solved by first player in exit"
3574   },
3575   {
3576     ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT,
3577     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3578     GADGET_ID_FINISH_DIG_COLLECT,       GADGET_ID_NONE,
3579     &level.finish_dig_collect,
3580     NULL, NULL,
3581     "CE action on finished dig/collect", "Only finished dig/collect triggers CE"
3582   },
3583   {
3584     ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE,
3585     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3586     GADGET_ID_KEEP_WALKABLE_CE,         GADGET_ID_NONE,
3587     &level.keep_walkable_ce,
3588     NULL, NULL,
3589     "Keep walkable CE changed to player", "Keep CE changing to player if walkable"
3590   },
3591   {
3592     ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING,
3593     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3594     GADGET_ID_CONTINUOUS_SNAPPING,      GADGET_ID_NONE,
3595     &level.continuous_snapping,
3596     NULL, NULL,
3597     "Continuous snapping",              "Use snapping without releasing key"
3598   },
3599   {
3600     ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD,
3601     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3602     GADGET_ID_BLOCK_SNAP_FIELD,         GADGET_ID_NONE,
3603     &level.block_snap_field,
3604     NULL, NULL,
3605     "Block snapped field when snapping", "Use snapping delay to show animation"
3606   },
3607   {
3608     ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD,
3609     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3610     GADGET_ID_BLOCK_LAST_FIELD,         GADGET_ID_NONE,
3611     &level.block_last_field,
3612     NULL, NULL,
3613     "Block last field when moving",     "Player blocks last field when moving"
3614   },
3615   {
3616     ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD,
3617     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3618     GADGET_ID_SP_BLOCK_LAST_FIELD,      GADGET_ID_NONE,
3619     &level.sp_block_last_field,
3620     NULL, NULL,
3621     "Block last field when moving",     "Player blocks last field when moving"
3622   },
3623   {
3624     ED_CHECKBUTTON_ID_INSTANT_RELOCATION,
3625     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3626     GADGET_ID_INSTANT_RELOCATION,       GADGET_ID_NONE,
3627     &level.instant_relocation,
3628     NULL, NULL,
3629     "No scrolling when relocating",     "Player gets relocated without delay"
3630   },
3631   {
3632     ED_CHECKBUTTON_ID_SHIFTED_RELOCATION,
3633     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3634     GADGET_ID_SHIFTED_RELOCATION,       GADGET_ID_NONE,
3635     &level.shifted_relocation,
3636     NULL, NULL,
3637     "No centering when relocating",     "Level not centered after relocation"
3638   },
3639   {
3640     ED_CHECKBUTTON_ID_LAZY_RELOCATION,
3641     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3642     GADGET_ID_LAZY_RELOCATION,          GADGET_ID_NONE,
3643     &level.lazy_relocation,
3644     NULL, NULL,
3645     "Only redraw off-screen relocation","No redraw if relocation target visible"
3646   },
3647   {
3648     ED_CHECKBUTTON_ID_USE_START_ELEMENT,
3649     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3650     GADGET_ID_USE_START_ELEMENT,        GADGET_ID_NONE,
3651     &level.use_start_element[0],
3652     NULL, NULL,
3653     "Use level start element:",        "Start level at this element's position"
3654   },
3655   {
3656     ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT,
3657     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3658     GADGET_ID_USE_ARTWORK_ELEMENT,      GADGET_ID_NONE,
3659     &level.use_artwork_element[0],
3660     NULL, NULL,
3661     "Use artwork from element:",        "Use player artwork from other element"
3662   },
3663   {
3664     ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT,
3665     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
3666     GADGET_ID_USE_EXPLOSION_ELEMENT,    GADGET_ID_NONE,
3667     &level.use_explosion_element[0],
3668     NULL, NULL,
3669     "Use explosion from element:",      "Use explosion properties from element"
3670   },
3671   {
3672     ED_CHECKBUTTON_ID_INITIAL_GRAVITY,
3673     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3674     GADGET_ID_INITIAL_GRAVITY,          GADGET_ID_NONE,
3675     &level.initial_player_gravity[0],
3676     NULL, NULL,
3677     "Use initial gravity",              "Set initial player gravity"
3678   },
3679   {
3680     ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY,
3681     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3682     GADGET_ID_USE_INITIAL_INVENTORY,    GADGET_ID_NONE,
3683     &level.use_initial_inventory[0],
3684     NULL, NULL,
3685     "Use initial inventory:",           "Use collected elements on level start"
3686   },
3687   {
3688     ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE,
3689     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
3690     GADGET_ID_CAN_PASS_TO_WALKABLE,     GADGET_ID_NONE,
3691     &level.can_pass_to_walkable,
3692     NULL, NULL,
3693     "Can pass to walkable element",     "Player can pass to empty or walkable"
3694   },
3695   {
3696     ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID,
3697     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3698     GADGET_ID_CAN_FALL_INTO_ACID,       GADGET_ID_NONE,
3699     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3700     NULL, NULL,
3701     "Can fall into acid (with gravity)","Player can fall into acid pool"
3702   },
3703   {
3704     ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID,
3705     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3706     GADGET_ID_CAN_MOVE_INTO_ACID,       GADGET_ID_NONE,
3707     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3708     NULL, NULL,
3709     "Can move into acid",               "Element can move into acid pool"
3710   },
3711   {
3712     ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH,
3713     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3714     GADGET_ID_DONT_COLLIDE_WITH,        GADGET_ID_NONE,
3715     &custom_element_properties[EP_DONT_COLLIDE_WITH],
3716     NULL, NULL,
3717     "Deadly when colliding with",       "Element is deadly when hitting player"
3718   },
3719   {
3720     ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS,
3721     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3722     GADGET_ID_BD_DIAGONAL_MOVEMENTS,    GADGET_ID_NONE,
3723     &level.bd_diagonal_movements,
3724     NULL, NULL,
3725     "Can move diagonally",              "Player can move diagonally"
3726   },
3727   {
3728     ED_CHECKBUTTON_ID_BD_TOPMOST_PLAYER_ACTIVE,
3729     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3730     GADGET_ID_BD_TOPMOST_PLAYER_ACTIVE, GADGET_ID_NONE,
3731     &level.bd_topmost_player_active,
3732     NULL, NULL,
3733     "Topmost player is active",         "Use first player found on playfield"
3734   },
3735   {
3736     ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,
3737     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3738     GADGET_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET, GADGET_ID_NONE,
3739     &level.bd_push_mega_rock_with_sweet,
3740     NULL, NULL,
3741     "Mega rocks pushable with sweet",   "Push mega rocks after eating sweet"
3742   },
3743   {
3744     ED_CHECKBUTTON_ID_BD_MAGIC_WALL_WAIT_HATCHING,
3745     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3746     GADGET_ID_BD_MAGIC_WALL_WAIT_HATCHING, GADGET_ID_NONE,
3747     &level.bd_magic_wall_wait_hatching,
3748     NULL, NULL,
3749     "Wait for player's birth",          "Timer start waits for player's birth"
3750   },
3751   {
3752     ED_CHECKBUTTON_ID_BD_MAGIC_WALL_STOPS_AMOEBA,
3753     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3754     GADGET_ID_BD_MAGIC_WALL_STOPS_AMOEBA, GADGET_ID_NONE,
3755     &level.bd_magic_wall_stops_amoeba,
3756     NULL, NULL,
3757     "Turn amoeba to diamonds",          "Activation changes amoeba to diamonds"
3758   },
3759   {
3760     ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING,
3761     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3762     GADGET_ID_BD_AMOEBA_WAIT_FOR_HATCHING, GADGET_ID_NONE,
3763     &level.bd_amoeba_wait_for_hatching,
3764     NULL, NULL,
3765     "Wait for player's birth",          "Timer start waits for player's birth"
3766   },
3767   {
3768     ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY,
3769     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3770     GADGET_ID_BD_AMOEBA_START_IMMEDIATELY, GADGET_ID_NONE,
3771     &level.bd_amoeba_start_immediately,
3772     NULL, NULL,
3773     "Start growing immediately",        "Start slow growth time immediately"
3774   },
3775   {
3776     ED_CHECKBUTTON_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,
3777     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3778     GADGET_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA, GADGET_ID_NONE,
3779     &level.bd_amoeba_2_explode_by_amoeba,
3780     NULL, NULL,
3781     "Explodes if touched by amoeba",    "Amoeba 2 explodes if touched by amoeba"
3782   },
3783   {
3784     ED_CHECKBUTTON_ID_BD_VOODOO_COLLECTS_DIAMONDS,
3785     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3786     GADGET_ID_BD_VOODOO_COLLECTS_DIAMONDS, GADGET_ID_NONE,
3787     &level.bd_voodoo_collects_diamonds,
3788     NULL, NULL,
3789     "Can collect diamonds",             "Can collect diamonds for the player"
3790   },
3791   {
3792     ED_CHECKBUTTON_ID_BD_VOODOO_HURT_KILLS_PLAYER,
3793     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3794     GADGET_ID_BD_VOODOO_HURT_KILLS_PLAYER, GADGET_ID_NONE,
3795     &level.bd_voodoo_hurt_kills_player,
3796     NULL, NULL,
3797     "Player is killed if hurt",         "If hurt in any way, player is killed"
3798   },
3799   {
3800     ED_CHECKBUTTON_ID_BD_VOODOO_DIES_BY_ROCK,
3801     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3802     GADGET_ID_BD_VOODOO_DIES_BY_ROCK,   GADGET_ID_NONE,
3803     &level.bd_voodoo_dies_by_rock,
3804     NULL, NULL,
3805     "Killed by falling rock",           "Can be killed by a falling rock"
3806   },
3807   {
3808     ED_CHECKBUTTON_ID_BD_VOODOO_VANISH_BY_EXPLOSION,
3809     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3810     GADGET_ID_BD_VOODOO_VANISH_BY_EXPLOSION, GADGET_ID_NONE,
3811     &level.bd_voodoo_vanish_by_explosion,
3812     NULL, NULL,
3813     "Disappears in explosions",         "Can be destroyed by explosions"
3814   },
3815   {
3816     ED_CHECKBUTTON_ID_BD_SLIME_IS_PREDICTABLE,
3817     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3818     GADGET_ID_BD_SLIME_IS_PREDICTABLE, GADGET_ID_NONE,
3819     &level.bd_slime_is_predictable,
3820     NULL, NULL,
3821     "Slime is predictable",             "Use predictable random numbers"
3822   },
3823   {
3824     ED_CHECKBUTTON_ID_BD_CHANGE_EXPANDING_WALL,
3825     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3826     GADGET_ID_BD_CHANGE_EXPANDING_WALL, GADGET_ID_NONE,
3827     &level.bd_change_expanding_wall,
3828     NULL, NULL,
3829     "Change direction",                 "Switch horizontal/vertical direction"
3830   },
3831   {
3832     ED_CHECKBUTTON_ID_BD_REPLICATORS_ACTIVE,
3833     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3834     GADGET_ID_BD_REPLICATORS_ACTIVE,    GADGET_ID_NONE,
3835     &level.bd_replicators_active,
3836     NULL, NULL,
3837     "Active at start",                  "Replicators start in active state"
3838   },
3839   {
3840     ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_ACTIVE,
3841     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3842     GADGET_ID_BD_CONVEYOR_BELTS_ACTIVE, GADGET_ID_NONE,
3843     &level.bd_conveyor_belts_active,
3844     NULL, NULL,
3845     "Active at start",                  "Conveyor belts start in active state"
3846   },
3847   {
3848     ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_CHANGED,
3849     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3850     GADGET_ID_BD_CONVEYOR_BELTS_CHANGED, GADGET_ID_NONE,
3851     &level.bd_conveyor_belts_changed,
3852     NULL, NULL,
3853     "Change direction",                 "Switch conveyor belt direction"
3854   },
3855   {
3856     ED_CHECKBUTTON_ID_BD_WATER_CANNOT_FLOW_DOWN,
3857     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3858     GADGET_ID_BD_WATER_CANNOT_FLOW_DOWN, GADGET_ID_NONE,
3859     &level.bd_water_cannot_flow_down,
3860     NULL, NULL,
3861     "Does not flow downwards",          "Water can only flow up, left and right"
3862   },
3863   {
3864     ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP,
3865     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3866     GADGET_ID_ENVELOPE_AUTOWRAP,        GADGET_ID_NONE,
3867     &level.envelope[0].autowrap,
3868     NULL, NULL,
3869     "Auto-wrap",                        "Automatically wrap envelope text"
3870   },
3871   {
3872     ED_CHECKBUTTON_ID_ENVELOPE_CENTERED,
3873     -1,                                 ED_ELEMENT_SETTINGS_YPOS(1),
3874     GADGET_ID_ENVELOPE_CENTERED,        GADGET_ID_ENVELOPE_AUTOWRAP,
3875     &level.envelope[0].centered,
3876     NULL, " ",
3877     "Centered",                         "Automatically center envelope text"
3878   },
3879   {
3880     ED_CHECKBUTTON_ID_MM_LASER_RED,
3881     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3882     GADGET_ID_MM_LASER_RED,             GADGET_ID_NONE,
3883     &level.mm_laser_red,
3884     "Choose color components for laser:", NULL,
3885     "Red",                              "Use red color components in laser"
3886   },
3887   {
3888     ED_CHECKBUTTON_ID_MM_LASER_GREEN,
3889     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3890     GADGET_ID_MM_LASER_GREEN,           GADGET_ID_NONE,
3891     &level.mm_laser_green,
3892     NULL, NULL,
3893     "Green",                            "Use green color components in laser"
3894   },
3895   {
3896     ED_CHECKBUTTON_ID_MM_LASER_BLUE,
3897     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3898     GADGET_ID_MM_LASER_BLUE,            GADGET_ID_NONE,
3899     &level.mm_laser_blue,
3900     NULL, NULL,
3901     "Blue",                             "Use blue color components in laser"
3902   },
3903   {
3904     ED_CHECKBUTTON_ID_DF_LASER_RED,
3905     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3906     GADGET_ID_DF_LASER_RED,             GADGET_ID_NONE,
3907     &level.df_laser_red,
3908     "Choose color components for laser:", NULL,
3909     "Red",                              "Use red color components in laser"
3910   },
3911   {
3912     ED_CHECKBUTTON_ID_DF_LASER_GREEN,
3913     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3914     GADGET_ID_DF_LASER_GREEN,           GADGET_ID_NONE,
3915     &level.df_laser_green,
3916     NULL, NULL,
3917     "Green",                            "Use green color components in laser"
3918   },
3919   {
3920     ED_CHECKBUTTON_ID_DF_LASER_BLUE,
3921     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3922     GADGET_ID_DF_LASER_BLUE,            GADGET_ID_NONE,
3923     &level.df_laser_blue,
3924     NULL, NULL,
3925     "Blue",                             "Use blue color components in laser"
3926   },
3927   {
3928     ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT,
3929     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3930     GADGET_ID_ROTATE_MM_BALL_CONTENT,   GADGET_ID_NONE,
3931     &level.rotate_mm_ball_content,
3932     NULL, NULL,
3933     "Randomly rotate created content",  "Randomly rotate newly created content"
3934   },
3935   {
3936     ED_CHECKBUTTON_ID_EXPLODE_MM_BALL,
3937     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
3938     GADGET_ID_EXPLODE_MM_BALL,          GADGET_ID_NONE,
3939     &level.explode_mm_ball,
3940     NULL, NULL,
3941     "Explode ball instead of melting",  "Use explosion to release ball content"
3942   },
3943
3944   // ---------- element settings: configure 1 (custom elements) ---------------
3945
3946   {
3947     ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC,
3948     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3949     GADGET_ID_CUSTOM_USE_GRAPHIC,       GADGET_ID_NONE,
3950     &custom_element.use_gfx_element,
3951     NULL, NULL,
3952     "Use graphic of element:",          "Use existing element graphic"
3953   },
3954   {
3955     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1,
3956     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3957     GADGET_ID_CUSTOM_USE_TEMPLATE_1,    GADGET_ID_NONE,
3958     &level.use_custom_template,
3959     NULL, NULL,
3960     "Use template",                     "Use template for custom properties"
3961   },
3962   {
3963     ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE,
3964     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3965     GADGET_ID_CUSTOM_ACCESSIBLE,        GADGET_ID_NONE,
3966     &custom_element_properties[EP_ACCESSIBLE],
3967     NULL, NULL,
3968     NULL,                               "Player can walk to or pass this field"
3969   },
3970   {
3971     ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE,
3972     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3973     GADGET_ID_CUSTOM_GRAV_REACHABLE,    GADGET_ID_NONE,
3974     &custom_element_properties[EP_GRAVITY_REACHABLE],
3975     NULL, NULL,
3976     "Reachable despite gravity",        "Player can walk/dig despite gravity"
3977   },
3978   {
3979     ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE,
3980     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3981     GADGET_ID_CUSTOM_USE_LAST_VALUE,    GADGET_ID_NONE,
3982     &custom_element.use_last_ce_value,
3983     NULL, NULL,
3984     "Use last CE value after change",   "Use last CE value after change"
3985   },
3986   {
3987     ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT,
3988     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3989     GADGET_ID_CUSTOM_WALK_TO_OBJECT,    GADGET_ID_NONE,
3990     &custom_element_properties[EP_WALK_TO_OBJECT],
3991     NULL, NULL,
3992     NULL,                               "Player can dig/collect/push element"
3993   },
3994   {
3995     ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE,
3996     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3997     GADGET_ID_CUSTOM_INDESTRUCTIBLE,    GADGET_ID_NONE,
3998     &custom_element_properties[EP_INDESTRUCTIBLE],
3999     NULL, NULL,
4000     "Indestructible",                   "Element is indestructible"
4001   },
4002
4003   // ---------- element settings: configure 2 (custom elements) ---------------
4004
4005   {
4006     ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE,
4007     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
4008     GADGET_ID_CUSTOM_CAN_MOVE,          GADGET_ID_NONE,
4009     &custom_element_properties[EP_CAN_MOVE],
4010     NULL, NULL,
4011     NULL,                               "Element can move with some pattern"
4012   },
4013   {
4014     ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL,
4015     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
4016     GADGET_ID_CUSTOM_CAN_FALL,          GADGET_ID_NONE,
4017     &custom_element_properties[EP_CAN_FALL],
4018     NULL, NULL,
4019     "Can fall",                         "Element can fall down"
4020   },
4021   {
4022     ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH,
4023     -1,                                 ED_ELEMENT_SETTINGS_YPOS(8),
4024     GADGET_ID_CUSTOM_CAN_SMASH,         GADGET_ID_CUSTOM_CAN_FALL,
4025     &custom_element_properties[EP_CAN_SMASH],
4026     NULL, " ",
4027     NULL,                               "Element can smash other elements"
4028   },
4029   {
4030     ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY,
4031     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
4032     GADGET_ID_CUSTOM_SLIPPERY,          GADGET_ID_NONE,
4033     &custom_element_properties[EP_SLIPPERY],
4034     NULL, NULL,
4035     NULL,                               "Other elements can fall down from it"
4036   },
4037   {
4038     ED_CHECKBUTTON_ID_CUSTOM_DEADLY,
4039     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
4040     GADGET_ID_CUSTOM_DEADLY,            GADGET_ID_NONE,
4041     &custom_element_properties[EP_DEADLY],
4042     NULL, NULL,
4043     NULL,                               "Element can kill the player"
4044   },
4045   {
4046     ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE,
4047     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
4048     GADGET_ID_CUSTOM_CAN_EXPLODE,       GADGET_ID_NONE,
4049     &custom_element_properties[EP_CAN_EXPLODE],
4050     NULL, NULL,
4051     NULL,                               "Element can explode"
4052   },
4053   {
4054     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE,
4055     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(12),
4056     GADGET_ID_CUSTOM_EXPLODE_FIRE,      GADGET_ID_NONE,
4057     &custom_element_properties[EP_EXPLODES_BY_FIRE],
4058     NULL, NULL,
4059     "By fire",                          "Element can explode by fire/explosion"
4060   },
4061   {
4062     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH,
4063     -1,                                 ED_ELEMENT_SETTINGS_YPOS(12),
4064     GADGET_ID_CUSTOM_EXPLODE_SMASH,     GADGET_ID_CUSTOM_EXPLODE_FIRE,
4065     &custom_element_properties[EP_EXPLODES_SMASHED],
4066     NULL, " ",
4067     "Smashed",                          "Element can explode when smashed"
4068   },
4069   {
4070     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT,
4071     -1,                                 ED_ELEMENT_SETTINGS_YPOS(12),
4072     GADGET_ID_CUSTOM_EXPLODE_IMPACT,    GADGET_ID_CUSTOM_EXPLODE_SMASH,
4073     &custom_element_properties[EP_EXPLODES_IMPACT],
4074     NULL, " ",
4075     "Impact",                           "Element can explode on impact"
4076   },
4077
4078   // ---------- element settings: advanced (custom elements) ------------------
4079
4080   {
4081     ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE,
4082     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
4083     GADGET_ID_CUSTOM_CAN_CHANGE,        GADGET_ID_NONE,
4084     &custom_element_change.can_change,
4085     NULL, NULL,
4086     "Element changes to:",              "Change element on specified condition"
4087   },
4088   {
4089     ED_CHECKBUTTON_ID_CHANGE_DELAY,
4090     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
4091     GADGET_ID_CHANGE_DELAY,             GADGET_ID_NONE,
4092     &custom_element_change_events[CE_DELAY],
4093     NULL, NULL,
4094     NULL,                               "Element changes after delay"
4095   },
4096   {
4097     ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT,
4098     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
4099     GADGET_ID_CHANGE_BY_DIRECT_ACT,     GADGET_ID_NONE,
4100     &custom_element_change_events[CE_BY_DIRECT_ACTION],
4101     NULL, NULL,
4102     NULL,                               "Element changes by direct action"
4103   },
4104   {
4105     ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT,
4106     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
4107     GADGET_ID_CHANGE_BY_OTHER_ACT,      GADGET_ID_NONE,
4108     &custom_element_change_events[CE_BY_OTHER_ACTION],
4109     NULL, NULL,
4110     NULL,                               "Element changes by other element"
4111   },
4112   {
4113     ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION,
4114     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
4115     GADGET_ID_CHANGE_USE_EXPLOSION,     GADGET_ID_NONE,
4116     &custom_element_change.explode,
4117     NULL, NULL,
4118     "Explode instead of change",        "Element explodes instead of change"
4119   },
4120   {
4121     ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT,
4122     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
4123     GADGET_ID_CHANGE_USE_CONTENT,       GADGET_ID_NONE,
4124     &custom_element_change.use_target_content,
4125     NULL, NULL,
4126     "Use extended change target:",      "Element changes to more elements"
4127   },
4128   {
4129     ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE,
4130     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(11),
4131     GADGET_ID_CHANGE_ONLY_COMPLETE,     GADGET_ID_NONE,
4132     &custom_element_change.only_if_complete,
4133     NULL, NULL,
4134     "Replace all or nothing",           "Only replace when all can be changed"
4135   },
4136   {
4137     ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM,
4138     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(12),
4139     GADGET_ID_CHANGE_USE_RANDOM,        GADGET_ID_NONE,
4140     &custom_element_change.use_random_replace,
4141     NULL, NULL,
4142     NULL,                               "Use percentage for random replace"
4143   },
4144   {
4145     ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION,
4146     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
4147     GADGET_ID_CHANGE_HAS_ACTION,        GADGET_ID_NONE,
4148     &custom_element_change.has_action,
4149     NULL, NULL,
4150     NULL,                               "Execute action on specified condition"
4151   },
4152 };
4153
4154 static struct
4155 {
4156   int gadget_type_id;
4157   int x, y;
4158   int xoffset, yoffset;
4159   int gadget_id;
4160   int gadget_id_align;
4161   int *value;
4162   int area_xsize, area_ysize;
4163   char *text_left, *text_right, *text_above, *text_below, *infotext;
4164 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
4165 {
4166   // ---------- level playfield content ---------------------------------------
4167
4168   {
4169     ED_DRAWING_ID_DRAWING_LEVEL,
4170     0,                                  0,
4171     0,                                  0,
4172     GADGET_ID_DRAWING_LEVEL,            GADGET_ID_NONE,
4173     NULL,
4174     -1, -1,     // these values are not constant, but can change at runtime
4175     NULL, NULL, NULL, NULL,             NULL
4176   },
4177
4178   // ---------- yam yam content -----------------------------------------------
4179
4180   {
4181     ED_DRAWING_ID_YAMYAM_CONTENT_0,
4182     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4183     ED_AREA_YAMYAM_CONTENT_XOFF(0),     ED_AREA_YAMYAM_CONTENT_YOFF(0),
4184     GADGET_ID_YAMYAM_CONTENT_0,         GADGET_ID_NONE,
4185     &level.yamyam_content[0].e[0][0],   3, 3,
4186     NULL, NULL, NULL, "1",              NULL
4187   },
4188   {
4189     ED_DRAWING_ID_YAMYAM_CONTENT_1,
4190     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4191     ED_AREA_YAMYAM_CONTENT_XOFF(1),     ED_AREA_YAMYAM_CONTENT_YOFF(1),
4192     GADGET_ID_YAMYAM_CONTENT_1,         GADGET_ID_NONE,
4193     &level.yamyam_content[1].e[0][0],   3, 3,
4194     NULL, NULL, NULL, "2",              NULL
4195   },
4196   {
4197     ED_DRAWING_ID_YAMYAM_CONTENT_2,
4198     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4199     ED_AREA_YAMYAM_CONTENT_XOFF(2),     ED_AREA_YAMYAM_CONTENT_YOFF(2),
4200     GADGET_ID_YAMYAM_CONTENT_2,         GADGET_ID_NONE,
4201     &level.yamyam_content[2].e[0][0],   3, 3,
4202     NULL, NULL, NULL, "3",              NULL
4203   },
4204   {
4205     ED_DRAWING_ID_YAMYAM_CONTENT_3,
4206     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4207     ED_AREA_YAMYAM_CONTENT_XOFF(3),     ED_AREA_YAMYAM_CONTENT_YOFF(3),
4208     GADGET_ID_YAMYAM_CONTENT_3,         GADGET_ID_NONE,
4209     &level.yamyam_content[3].e[0][0],   3, 3,
4210     NULL, NULL, NULL, "4",              NULL
4211   },
4212   {
4213     ED_DRAWING_ID_YAMYAM_CONTENT_4,
4214     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4215     ED_AREA_YAMYAM_CONTENT_XOFF(4),     ED_AREA_YAMYAM_CONTENT_YOFF(4),
4216     GADGET_ID_YAMYAM_CONTENT_4,         GADGET_ID_NONE,
4217     &level.yamyam_content[4].e[0][0],   3, 3,
4218     NULL, NULL, NULL, "5",              NULL
4219   },
4220   {
4221     ED_DRAWING_ID_YAMYAM_CONTENT_5,
4222     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4223     ED_AREA_YAMYAM_CONTENT_XOFF(5),     ED_AREA_YAMYAM_CONTENT_YOFF(5),
4224     GADGET_ID_YAMYAM_CONTENT_5,         GADGET_ID_NONE,
4225     &level.yamyam_content[5].e[0][0],   3, 3,
4226     NULL, NULL, NULL, "6",              NULL
4227   },
4228   {
4229     ED_DRAWING_ID_YAMYAM_CONTENT_6,
4230     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4231     ED_AREA_YAMYAM_CONTENT_XOFF(6),     ED_AREA_YAMYAM_CONTENT_YOFF(6),
4232     GADGET_ID_YAMYAM_CONTENT_6,         GADGET_ID_NONE,
4233     &level.yamyam_content[6].e[0][0],   3, 3,
4234     NULL, NULL, NULL, "7",              NULL
4235   },
4236   {
4237     ED_DRAWING_ID_YAMYAM_CONTENT_7,
4238     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4239     ED_AREA_YAMYAM_CONTENT_XOFF(7),     ED_AREA_YAMYAM_CONTENT_YOFF(7),
4240     GADGET_ID_YAMYAM_CONTENT_7,         GADGET_ID_NONE,
4241     &level.yamyam_content[7].e[0][0],   3, 3,
4242     NULL, NULL, NULL, "8",              NULL
4243   },
4244
4245   // ---------- magic ball content --------------------------------------------
4246
4247   {
4248     ED_DRAWING_ID_MAGIC_BALL_CONTENT_0,
4249     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4250     ED_AREA_MAGIC_BALL_CONTENT_XOFF(0), ED_AREA_MAGIC_BALL_CONTENT_YOFF(0),
4251     GADGET_ID_MAGIC_BALL_CONTENT_0,     GADGET_ID_NONE,
4252     &level.ball_content[0].e[0][0],     3, 3,
4253     NULL, NULL, NULL, "1",              NULL
4254   },
4255   {
4256     ED_DRAWING_ID_MAGIC_BALL_CONTENT_1,
4257     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4258     ED_AREA_MAGIC_BALL_CONTENT_XOFF(1), ED_AREA_MAGIC_BALL_CONTENT_YOFF(1),
4259     GADGET_ID_MAGIC_BALL_CONTENT_1,     GADGET_ID_NONE,
4260     &level.ball_content[1].e[0][0],     3, 3,
4261     NULL, NULL, NULL, "2",              NULL
4262   },
4263   {
4264     ED_DRAWING_ID_MAGIC_BALL_CONTENT_2,
4265     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4266     ED_AREA_MAGIC_BALL_CONTENT_XOFF(2), ED_AREA_MAGIC_BALL_CONTENT_YOFF(2),
4267     GADGET_ID_MAGIC_BALL_CONTENT_2,     GADGET_ID_NONE,
4268     &level.ball_content[2].e[0][0],     3, 3,
4269     NULL, NULL, NULL, "3",              NULL
4270   },
4271   {
4272     ED_DRAWING_ID_MAGIC_BALL_CONTENT_3,
4273     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4274     ED_AREA_MAGIC_BALL_CONTENT_XOFF(3), ED_AREA_MAGIC_BALL_CONTENT_YOFF(3),
4275     GADGET_ID_MAGIC_BALL_CONTENT_3,     GADGET_ID_NONE,
4276     &level.ball_content[3].e[0][0],     3, 3,
4277     NULL, NULL, NULL, "4",              NULL
4278   },
4279   {
4280     ED_DRAWING_ID_MAGIC_BALL_CONTENT_4,
4281     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4282     ED_AREA_MAGIC_BALL_CONTENT_XOFF(4), ED_AREA_MAGIC_BALL_CONTENT_YOFF(4),
4283     GADGET_ID_MAGIC_BALL_CONTENT_4,     GADGET_ID_NONE,
4284     &level.ball_content[4].e[0][0],     3, 3,
4285     NULL, NULL, NULL, "5",              NULL
4286   },
4287   {
4288     ED_DRAWING_ID_MAGIC_BALL_CONTENT_5,
4289     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4290     ED_AREA_MAGIC_BALL_CONTENT_XOFF(5), ED_AREA_MAGIC_BALL_CONTENT_YOFF(5),
4291     GADGET_ID_MAGIC_BALL_CONTENT_5,     GADGET_ID_NONE,
4292     &level.ball_content[5].e[0][0],     3, 3,
4293     NULL, NULL, NULL, "6",              NULL
4294   },
4295   {
4296     ED_DRAWING_ID_MAGIC_BALL_CONTENT_6,
4297     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4298     ED_AREA_MAGIC_BALL_CONTENT_XOFF(6), ED_AREA_MAGIC_BALL_CONTENT_YOFF(6),
4299     GADGET_ID_MAGIC_BALL_CONTENT_6,     GADGET_ID_NONE,
4300     &level.ball_content[6].e[0][0],     3, 3,
4301     NULL, NULL, NULL, "7",              NULL
4302   },
4303   {
4304     ED_DRAWING_ID_MAGIC_BALL_CONTENT_7,
4305     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4306     ED_AREA_MAGIC_BALL_CONTENT_XOFF(7), ED_AREA_MAGIC_BALL_CONTENT_YOFF(7),
4307     GADGET_ID_MAGIC_BALL_CONTENT_7,     GADGET_ID_NONE,
4308     &level.ball_content[7].e[0][0],     3, 3,
4309     NULL, NULL, NULL, "8",              NULL
4310   },
4311
4312   // ---------- android content -----------------------------------------------
4313
4314   {
4315     ED_DRAWING_ID_ANDROID_CONTENT,
4316     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(6),
4317     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4318     GADGET_ID_ANDROID_CONTENT,          GADGET_ID_NONE,
4319     &level.android_clone_element[0],    MAX_ANDROID_ELEMENTS, 1,
4320     NULL, NULL, "Elements:", NULL,      "Elements android can clone"
4321   },
4322
4323   // ---------- amoeba content ------------------------------------------------
4324
4325   {
4326     ED_DRAWING_ID_AMOEBA_CONTENT,
4327     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(3),
4328     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4329     GADGET_ID_AMOEBA_CONTENT,           GADGET_ID_NONE,
4330     &level.amoeba_content,              1, 1,
4331     "Content:", NULL, NULL, NULL,       "Amoeba content"
4332   },
4333
4334   // ---------- BD snap element -----------------------------------------------
4335
4336   {
4337     ED_DRAWING_ID_BD_SNAP_ELEMENT,
4338     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(5),
4339     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4340     GADGET_ID_BD_SNAP_ELEMENT,          GADGET_ID_NONE,
4341     &level.bd_snap_element,             1, 1,
4342     "Snap element:", NULL, NULL, NULL,  "Element created when snapping"
4343   },
4344
4345   // ---------- BD amoeba content ---------------------------------------------
4346
4347   {
4348     ED_DRAWING_ID_BD_AMOEBA_CONTENT_TOO_BIG,
4349     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(7),
4350     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4351     GADGET_ID_BD_AMOEBA_CONTENT_TOO_BIG, GADGET_ID_NONE,
4352     &level.bd_amoeba_content_too_big,   1, 1,
4353     "If too big, changes to:", NULL, NULL, NULL,        "BD amoeba content if too big"
4354   },
4355   {
4356     ED_DRAWING_ID_BD_AMOEBA_CONTENT_ENCLOSED,
4357     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(8),
4358     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4359     GADGET_ID_BD_AMOEBA_CONTENT_ENCLOSED, GADGET_ID_NONE,
4360     &level.bd_amoeba_content_enclosed,  1, 1,
4361     "If enclosed, changes to:", NULL, NULL, NULL,       "BD amoeba content if enclosed"
4362   },
4363
4364   // ---------- BD amoeba 2 content -------------------------------------------
4365
4366   {
4367     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_TOO_BIG,
4368     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(7),
4369     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4370     GADGET_ID_BD_AMOEBA_2_CONTENT_TOO_BIG, GADGET_ID_NONE,
4371     &level.bd_amoeba_2_content_too_big, 1, 1,
4372     "If too big, changes to:", NULL, NULL, NULL,        "BD amoeba 2 content if too big"
4373   },
4374   {
4375     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_ENCLOSED,
4376     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(8),
4377     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4378     GADGET_ID_BD_AMOEBA_2_CONTENT_ENCLOSED, GADGET_ID_NONE,
4379     &level.bd_amoeba_2_content_enclosed,        1, 1,
4380     "If enclosed, changes to:", NULL, NULL, NULL,       "BD amoeba 2 content if enclosed"
4381   },
4382   {
4383     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_EXPLODING,
4384     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(10),
4385     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4386     GADGET_ID_BD_AMOEBA_2_CONTENT_EXPLODING, GADGET_ID_NONE,
4387     &level.bd_amoeba_2_content_exploding,       1, 1,
4388     "If exploding, changes to:", NULL, NULL, NULL,      "BD amoeba 2 content if exploding"
4389   },
4390   {
4391     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,
4392     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(11),
4393     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4394     GADGET_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,   GADGET_ID_NONE,
4395     &level.bd_amoeba_2_content_looks_like,      1, 1,
4396     "Use graphic of element:", NULL, NULL, NULL,        "BD amoeba 2 looks like this element"
4397   },
4398   {
4399     ED_DRAWING_ID_BD_ACID_EATS_ELEMENT,
4400     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(1),
4401     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4402     GADGET_ID_BD_ACID_EATS_ELEMENT,     GADGET_ID_NONE,
4403     &level.bd_acid_eats_element,        1, 1,
4404     "Can eat:", NULL, NULL, NULL,               "Eats this element when spreading"
4405   },
4406   {
4407     ED_DRAWING_ID_BD_ACID_TURNS_TO_ELEMENT,
4408     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(3),
4409     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4410     GADGET_ID_BD_ACID_TURNS_TO_ELEMENT, GADGET_ID_NONE,
4411     &level.bd_acid_turns_to_element,    1, 1,
4412     "Can leave behind:", NULL, NULL, NULL,      "Turns to this element after spreading"
4413   },
4414   {
4415     ED_DRAWING_ID_BD_BITER_EATS_ELEMENT,
4416     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
4417     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4418     GADGET_ID_BD_BITER_EATS_ELEMENT,    GADGET_ID_NONE,
4419     &level.bd_biter_eats_element,       1, 1,
4420     "Can eat:", NULL, NULL, NULL,       "Eats this element when moving"
4421   },
4422   {
4423     ED_DRAWING_ID_BD_BLADDER_CONVERTS_BY_ELEMENT,
4424     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(1),
4425     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4426     GADGET_ID_BD_BLADDER_CONVERTS_BY_ELEMENT, GADGET_ID_NONE,
4427     &level.bd_bladder_converts_by_element,      1, 1,
4428     "Turns to clock by touching:", NULL, NULL, NULL,    "Turns to clock by touching element"
4429   },
4430
4431   // ---------- level start element -------------------------------------------
4432
4433   {
4434     ED_DRAWING_ID_START_ELEMENT,
4435     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(10),
4436     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4437     GADGET_ID_START_ELEMENT,            GADGET_ID_USE_START_ELEMENT,
4438     &level.start_element[0],            1, 1,
4439     NULL, NULL, NULL, NULL,             "Level start element"
4440   },
4441
4442   // ---------- player artwork element ----------------------------------------
4443
4444   {
4445     ED_DRAWING_ID_ARTWORK_ELEMENT,
4446     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(11),
4447     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4448     GADGET_ID_ARTWORK_ELEMENT,          GADGET_ID_USE_ARTWORK_ELEMENT,
4449     &level.artwork_element[0],          1, 1,
4450     NULL, NULL, NULL, NULL,             "Element for player artwork"
4451   },
4452
4453   // ---------- player explosion element --------------------------------------
4454
4455   {
4456     ED_DRAWING_ID_EXPLOSION_ELEMENT,
4457     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(12),
4458     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4459     GADGET_ID_EXPLOSION_ELEMENT,        GADGET_ID_USE_EXPLOSION_ELEMENT,
4460     &level.explosion_element[0],        1, 1,
4461     NULL, NULL, NULL, NULL,             "Element for player explosion"
4462   },
4463
4464   // ---------- player initial inventory --------------------------------------
4465
4466   {
4467     ED_DRAWING_ID_INVENTORY_CONTENT,
4468     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
4469     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4470     GADGET_ID_INVENTORY_CONTENT,        GADGET_ID_USE_INITIAL_INVENTORY,
4471     &level.initial_inventory_content[0][0], MAX_INITIAL_INVENTORY_SIZE, 1,
4472     NULL, NULL, NULL, NULL,             "Content for initial inventory"
4473   },
4474
4475   // ---------- gray ball content -----------------------------------------
4476
4477   {
4478     ED_DRAWING_ID_MM_BALL_CONTENT,
4479     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
4480     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4481     GADGET_ID_MM_BALL_CONTENT,          GADGET_ID_NONE,
4482     &level.mm_ball_content[0],          MAX_MM_BALL_CONTENTS, 1,
4483     "Content:", NULL, NULL, NULL,       "Content for gray ball"
4484   },
4485
4486   // ---------- element settings: configure 1 (custom elements) ---------------
4487
4488   // ---------- custom graphic ------------------------------------------------
4489
4490   {
4491     ED_DRAWING_ID_CUSTOM_GRAPHIC,
4492     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
4493     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4494     GADGET_ID_CUSTOM_GRAPHIC,           GADGET_ID_CUSTOM_USE_GRAPHIC,
4495     &custom_element.gfx_element_initial, 1, 1,
4496     NULL, NULL, NULL, NULL,             "Custom graphic element"
4497   },
4498
4499   // ---------- element settings: configure 2 (custom elements) ---------------
4500
4501   // ---------- custom content (when exploding) -------------------------------
4502
4503   {
4504     ED_DRAWING_ID_CUSTOM_CONTENT,
4505     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(11),
4506     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
4507     GADGET_ID_CUSTOM_CONTENT,           GADGET_ID_NONE, // align three rows
4508     &custom_element.content.e[0][0],    3, 3,
4509     "Content:", NULL, NULL, NULL,       NULL
4510   },
4511
4512   // ---------- custom enter and leave element (when moving) ------------------
4513
4514   {
4515     ED_DRAWING_ID_CUSTOM_MOVE_ENTER,
4516     ED_AREA_1X1_SETTINGS_XPOS(1),       ED_AREA_1X1_SETTINGS_YPOS(3),
4517     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4518     GADGET_ID_CUSTOM_MOVE_ENTER,        GADGET_ID_NONE,
4519     &custom_element.move_enter_element, 1, 1,
4520     "Can dig:", " ", NULL, NULL,        "Element that can be digged/collected"
4521   },
4522   {
4523     ED_DRAWING_ID_CUSTOM_MOVE_LEAVE,
4524     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(3),
4525     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4526     GADGET_ID_CUSTOM_MOVE_LEAVE,        GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
4527     &custom_element.move_leave_element, 1, 1,
4528     NULL, NULL, NULL, NULL,             "Element that will be left behind"
4529   },
4530
4531   // ---------- element settings: advanced (custom elements) ------------------
4532
4533   // ---------- custom change target ------------------------------------------
4534
4535   {
4536     ED_DRAWING_ID_CUSTOM_CHANGE_TARGET,
4537     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
4538     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4539     GADGET_ID_CUSTOM_CHANGE_TARGET,     GADGET_ID_CUSTOM_CAN_CHANGE,
4540     &custom_element_change.target_element, 1, 1,
4541     NULL, "after/when:", NULL, NULL,    "New target element after change"
4542   },
4543
4544   // ---------- custom change content (extended change target) ----------------
4545
4546   {
4547     ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT,
4548     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(9),
4549     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
4550     GADGET_ID_CUSTOM_CHANGE_CONTENT,    GADGET_ID_NONE, // align three rows
4551     &custom_element_change.target_content.e[0][0], 3, 3,
4552     NULL, NULL, NULL, NULL,             "New extended elements after change"
4553   },
4554
4555   // ---------- custom change trigger (element causing change) ----------------
4556
4557   {
4558     ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER,
4559     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(5),
4560     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4561     GADGET_ID_CUSTOM_CHANGE_TRIGGER,    GADGET_ID_CHANGE_OTHER_ACTION,
4562     &custom_element_change.initial_trigger_element, 1, 1,
4563     NULL, NULL, NULL, NULL,             "Other element triggering change"
4564   },
4565
4566   // ---------- custom change action (element used for action) ----------------
4567
4568   {
4569     ED_DRAWING_ID_CUSTOM_CHANGE_ACTION,
4570     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(13),
4571     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4572     GADGET_ID_CUSTOM_CHANGE_ACTION,     GADGET_ID_ACTION_ARG,
4573     &custom_element_change.action_element, 1, 1,
4574     NULL, NULL, NULL, NULL,             "Element used as action parameter"
4575   },
4576
4577   // ---------- group element content -----------------------------------------
4578
4579   {
4580     ED_DRAWING_ID_GROUP_CONTENT,
4581     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
4582     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4583     GADGET_ID_GROUP_CONTENT,            GADGET_ID_NONE,
4584     &group_element_info.element[0],     MAX_ELEMENTS_IN_GROUP, 1,
4585     "Content:", NULL, NULL, NULL,       NULL
4586   },
4587
4588   // ---------- random background (for random painting) -----------------------
4589
4590   {
4591     ED_DRAWING_ID_RANDOM_BACKGROUND,
4592     -1,                                 ED_AREA_1X1_LSETTINGS_YPOS(1),
4593     0,                                  ED_AREA_1X1_LSETTINGS_YOFF,
4594     GADGET_ID_RANDOM_BACKGROUND,        GADGET_ID_RANDOM_RESTRICTED,
4595     &random_placement_background_element, 1, 1,
4596     NULL, NULL, NULL, NULL,             "Random placement background"
4597   },
4598 };
4599
4600
4601 // ----------------------------------------------------------------------------
4602 // some internally used variables
4603 // ----------------------------------------------------------------------------
4604
4605 // maximal size of level editor drawing area
4606 static int MAX_ED_FIELDX, MAX_ED_FIELDY;
4607
4608 // actual size of level editor drawing area
4609 static int ed_fieldx, ed_fieldy;
4610
4611 // actual position of level editor drawing area in level playfield
4612 static int level_xpos = -1, level_ypos = -1;
4613
4614 // actual tile size used to display playfield drawing area
4615 static int ed_tilesize = DEFAULT_EDITOR_TILESIZE;
4616 static int ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
4617
4618 #define IN_ED_FIELD(x, y)       IN_FIELD(x, y, ed_fieldx, ed_fieldy)
4619
4620 // drawing elements on the three mouse buttons
4621 static int new_element1 = EL_WALL;
4622 static int new_element2 = EL_EMPTY;
4623 static int new_element3 = EL_SAND;
4624
4625 #define IS_VALID_BUTTON(button) (button >= 1 && button <= 3)
4626 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
4627                                 (button) == 2 ? new_element2 : \
4628                                 (button) == 3 ? new_element3 : EL_EMPTY)
4629
4630 #define BUTTON_TILE_SIZE(x)     ((x) >= TILESIZE ? TILESIZE : MINI_TILESIZE)
4631
4632 static int use_permanent_palette = TRUE;
4633
4634 #define PX              (use_permanent_palette ? DX : SX)
4635 #define PY              (use_permanent_palette ? DY : SY)
4636 #define PXSIZE          (use_permanent_palette ? DXSIZE : SXSIZE)
4637 #define PYSIZE          (use_permanent_palette ? DYSIZE : SYSIZE)
4638
4639 // forward declaration for internal use
4640 static void CopyBrushToCursor(int, int);
4641 static void DeleteBrushFromCursor(void);
4642 static void ModifyEditorCounterValue(int, int);
4643 static void ModifyEditorCounterLimits(int, int, int);
4644 static void ModifyEditorSelectboxValue(int, int);
4645 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
4646 static void ModifyEditorDrawingArea(int, int, int);
4647 static void ModifyEditorElementList(void);
4648 static void AdjustElementListScrollbar(void);
4649 static void RedrawDrawingElements(void);
4650 static void DrawDrawingWindowExt(boolean);
4651 static void DrawDrawingWindow(void);
4652 static void DrawLevelConfigWindow(void);
4653 static void DrawPropertiesWindow(void);
4654 static void DrawPaletteWindow(void);
4655 static void UpdateCustomElementGraphicGadgets(void);
4656 static boolean checkPropertiesConfig(int);
4657 static void SetAutomaticNumberOfGemsNeeded(void);
4658 static void ClearEditorGadgetInfoText(void);
4659 static void CopyLevelToUndoBuffer(int);
4660 static void HandleDrawingAreas(struct GadgetInfo *);
4661 static void HandleCounterButtons(struct GadgetInfo *);
4662 static void HandleTextInputGadgets(struct GadgetInfo *);
4663 static void HandleTextAreaGadgets(struct GadgetInfo *);
4664 static void HandleSelectboxGadgets(struct GadgetInfo *);
4665 static void HandleTextbuttonGadgets(struct GadgetInfo *);
4666 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
4667 static void HandleRadiobuttons(struct GadgetInfo *);
4668 static void HandleCheckbuttons(struct GadgetInfo *);
4669 static void HandleControlButtons(struct GadgetInfo *);
4670 static void HandleDrawingAreaInfo(struct GadgetInfo *);
4671 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
4672 static boolean AskToCopyAndModifyLevelTemplate(void);
4673 static boolean getDrawModeHiRes(void);
4674 static int getTabulatorBarWidth(void);
4675 static int getTabulatorBarHeight(void);
4676 static Pixel getTabulatorBarColor(void);
4677 static int numHiresTiles(int);
4678
4679 static int num_editor_gadgets = 0;      // dynamically determined
4680
4681 static struct GadgetInfo **level_editor_gadget = NULL;
4682 static int *right_gadget_border = NULL;
4683
4684 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
4685 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
4686 static boolean draw_with_brush = FALSE;
4687 static int properties_element = 0;
4688
4689 static short TileBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
4690 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
4691 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
4692 static int undo_buffer_position = 0;
4693 static int undo_buffer_steps = 0;
4694 static int redo_buffer_steps = 0;
4695
4696 static int edit_mode;
4697 static int edit_mode_levelconfig;
4698 static int edit_mode_properties;
4699
4700 static int element_shift = 0;
4701
4702 static int editor_el_players[] =
4703 {
4704   EL_PLAYER_1,
4705   EL_PLAYER_2,
4706   EL_PLAYER_3,
4707   EL_PLAYER_4
4708 };
4709 static int *editor_el_players_ptr = editor_el_players;
4710 static int num_editor_el_players = ARRAY_SIZE(editor_el_players);
4711
4712 static int editor_hl_boulderdash[] =
4713 {
4714   EL_INTERNAL_CASCADE_BD_ACTIVE,
4715   EL_CHAR('B'),
4716   EL_CHAR('D'),
4717   EL_EMPTY,
4718 };
4719
4720 static int editor_el_boulderdash[] =
4721 {
4722   EL_EMPTY,
4723   EL_SAND,
4724   EL_BD_ROCK,
4725   EL_BD_DIAMOND,
4726
4727   EL_STEELWALL,
4728   EL_BD_WALL,
4729   EL_BD_EXPANDABLE_WALL,
4730   EL_BD_MAGIC_WALL,
4731
4732   EL_BD_AMOEBA,
4733   EL_BD_BUTTERFLY_UP,
4734   EL_BD_FIREFLY_UP,
4735   EL_EXIT_CLOSED,
4736
4737   EL_BD_BUTTERFLY_LEFT,
4738   EL_BD_FIREFLY_LEFT,
4739   EL_BD_BUTTERFLY_RIGHT,
4740   EL_BD_FIREFLY_RIGHT,
4741
4742   EL_EMPTY,
4743   EL_BD_BUTTERFLY_DOWN,
4744   EL_BD_FIREFLY_DOWN,
4745   EL_EXIT_OPEN,
4746 };
4747 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
4748 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
4749 static int num_editor_hl_boulderdash = ARRAY_SIZE(editor_hl_boulderdash);
4750 static int num_editor_el_boulderdash = ARRAY_SIZE(editor_el_boulderdash);
4751
4752 static int editor_hl_boulderdash_native[] =
4753 {
4754   EL_INTERNAL_CASCADE_BD_NATIVE_ACTIVE,
4755   EL_CHAR('B'),
4756   EL_CHAR('D'),
4757   EL_EMPTY,
4758 };
4759
4760 static int editor_el_boulderdash_native[] =
4761 {
4762   EL_EMPTY,
4763   EL_BD_SAND,
4764   EL_BD_ROCK,
4765   EL_BD_DIAMOND,
4766
4767   EL_BD_STEELWALL,
4768   EL_BD_WALL,
4769   EL_BD_SAND_2,
4770   EL_BD_MAGIC_WALL,
4771
4772   EL_BD_AMOEBA,
4773   EL_BD_BUTTERFLY_UP,
4774   EL_BD_FIREFLY_UP,
4775   EL_BD_EXIT_CLOSED,
4776
4777   EL_BD_BUTTERFLY_LEFT,
4778   EL_BD_FIREFLY_LEFT,
4779   EL_BD_BUTTERFLY_RIGHT,
4780   EL_BD_FIREFLY_RIGHT,
4781
4782   EL_BD_INBOX,
4783   EL_BD_BUTTERFLY_DOWN,
4784   EL_BD_FIREFLY_DOWN,
4785   EL_BD_EXIT_OPEN,
4786
4787   EL_BD_AMOEBA_2,
4788   EL_BD_BUTTERFLY_2_UP,
4789   EL_BD_FIREFLY_2_UP,
4790   EL_BD_SLIME,
4791
4792   EL_BD_BUTTERFLY_2_LEFT,
4793   EL_BD_FIREFLY_2_LEFT,
4794   EL_BD_BUTTERFLY_2_RIGHT,
4795   EL_BD_FIREFLY_2_RIGHT,
4796
4797   EL_BD_BOMB,
4798   EL_BD_BUTTERFLY_2_DOWN,
4799   EL_BD_FIREFLY_2_DOWN,
4800   EL_BD_FLYING_DIAMOND,
4801
4802   EL_BD_NITRO_PACK,
4803   EL_BD_DRAGONFLY_UP,
4804   EL_BD_STONEFLY_UP,
4805   EL_BD_DIAMOND_GLUED,
4806
4807   EL_BD_DRAGONFLY_LEFT,
4808   EL_BD_STONEFLY_LEFT,
4809   EL_BD_DRAGONFLY_RIGHT,
4810   EL_BD_STONEFLY_RIGHT,
4811
4812   EL_BD_NUT,
4813   EL_BD_DRAGONFLY_DOWN,
4814   EL_BD_STONEFLY_DOWN,
4815   EL_EMPTY,
4816
4817   EL_BD_BITER_SWITCH_1,
4818   EL_BD_BITER_UP,
4819   EL_BD_COW_UP,
4820   EL_EMPTY,
4821
4822   EL_BD_BITER_LEFT,
4823   EL_BD_COW_LEFT,
4824   EL_BD_BITER_RIGHT,
4825   EL_BD_COW_RIGHT,
4826
4827   EL_BD_VOODOO_DOLL,
4828   EL_BD_BITER_DOWN,
4829   EL_BD_COW_DOWN,
4830   EL_BD_GHOST,
4831
4832   EL_BD_SAND_GLUED,
4833   EL_BD_SAND_BALL,
4834   EL_BD_SAND_LOOSE,
4835   EL_BD_WALL_NON_SLOPED,
4836
4837   EL_BD_SAND_SLOPED_UP_LEFT,
4838   EL_BD_SAND_SLOPED_UP_RIGHT,
4839   EL_BD_WALL_SLOPED_UP_LEFT,
4840   EL_BD_WALL_SLOPED_UP_RIGHT,
4841
4842   EL_BD_SAND_SLOPED_DOWN_LEFT,
4843   EL_BD_SAND_SLOPED_DOWN_RIGHT,
4844   EL_BD_WALL_SLOPED_DOWN_LEFT,
4845   EL_BD_WALL_SLOPED_DOWN_RIGHT,
4846
4847   EL_BD_FLYING_ROCK,
4848   EL_BD_ROCK_GLUED,
4849   EL_BD_STEELWALL_SLOPED_UP_LEFT,
4850   EL_BD_STEELWALL_SLOPED_UP_RIGHT,
4851
4852   EL_BD_WAITING_ROCK,
4853   EL_BD_CHASING_ROCK,
4854   EL_BD_STEELWALL_SLOPED_DOWN_LEFT,
4855   EL_BD_STEELWALL_SLOPED_DOWN_RIGHT,
4856
4857   EL_BD_MEGA_ROCK,
4858   EL_BD_SWEET,
4859   EL_BD_INVISIBLE_EXIT_CLOSED,
4860   EL_BD_INVISIBLE_EXIT_OPEN,
4861
4862   EL_BD_STEELWALL_EXPLODABLE,
4863   EL_BD_STEELWALL_DIGGABLE,
4864   EL_BD_WALL_DIGGABLE,
4865   EL_BD_FALLING_WALL,
4866
4867   EL_BD_EXPANDABLE_WALL_HORIZONTAL,
4868   EL_BD_EXPANDABLE_WALL_VERTICAL,
4869   EL_BD_EXPANDABLE_WALL_ANY,
4870   EL_BD_EXPANDABLE_WALL_SWITCH_HORIZONTAL,
4871
4872   EL_BD_EXPANDABLE_STEELWALL_HORIZONTAL,
4873   EL_BD_EXPANDABLE_STEELWALL_VERTICAL,
4874   EL_BD_EXPANDABLE_STEELWALL_ANY,
4875   EL_BD_CREATURE_SWITCH,
4876
4877   EL_BD_BLADDER,
4878   EL_BD_BLADDER_SPENDER,
4879   EL_BD_REPLICATOR,
4880   EL_BD_REPLICATOR_SWITCH,
4881
4882   EL_BD_CONVEYOR_LEFT,
4883   EL_BD_CONVEYOR_RIGHT,
4884   EL_BD_CONVEYOR_SWITCH,
4885   EL_BD_CONVEYOR_DIR_SWITCH_NORMAL,
4886
4887   EL_BD_CLOCK,
4888   EL_BD_TIME_PENALTY,
4889   EL_BD_GRAVESTONE,
4890   EL_BD_SKELETON,
4891
4892   EL_BD_WATER,
4893   EL_BD_ACID,
4894   EL_BD_LAVA,
4895   EL_BD_BOX,
4896
4897   EL_BD_GATE_1,
4898   EL_BD_GATE_2,
4899   EL_BD_GATE_3,
4900   EL_BD_TRAPPED_DIAMOND,
4901
4902   EL_BD_KEY_1,
4903   EL_BD_KEY_2,
4904   EL_BD_KEY_3,
4905   EL_BD_DIAMOND_KEY,
4906
4907   EL_BD_WALL_KEY_1,
4908   EL_BD_WALL_KEY_2,
4909   EL_BD_WALL_KEY_3,
4910   EL_BD_WALL_DIAMOND,
4911
4912   EL_BD_GRAVITY_SWITCH,
4913   EL_BD_PNEUMATIC_HAMMER,
4914   EL_BD_TELEPORTER,
4915   EL_BD_POT,
4916
4917   EL_BD_PLAYER,
4918   EL_BD_PLAYER_WITH_BOMB,
4919   EL_BD_PLAYER_GLUED,
4920   EL_BD_PLAYER_STIRRING,
4921 };
4922 static int *editor_hl_boulderdash_native_ptr = editor_hl_boulderdash_native;
4923 static int *editor_el_boulderdash_native_ptr = editor_el_boulderdash_native;
4924 static int num_editor_hl_boulderdash_native = ARRAY_SIZE(editor_hl_boulderdash_native);
4925 static int num_editor_el_boulderdash_native = ARRAY_SIZE(editor_el_boulderdash_native);
4926
4927 static int editor_hl_boulderdash_effects[] =
4928 {
4929   EL_INTERNAL_CASCADE_BD_EFFECTS_ACTIVE,
4930   EL_CHAR('B'),
4931   EL_CHAR('D'),
4932   EL_CHAR('E'),
4933 };
4934
4935 static int editor_el_boulderdash_effects[] =
4936 {
4937   EL_BD_DIAMOND_FALLING,
4938   EL_BD_ROCK_FALLING,
4939   EL_BD_MEGA_ROCK_FALLING,
4940   EL_BD_FLYING_DIAMOND_FLYING,
4941
4942   EL_BD_FLYING_ROCK_FLYING,
4943   EL_BD_FALLING_WALL_FALLING,
4944   EL_BD_NITRO_PACK_FALLING,
4945   EL_BD_NUT_FALLING,
4946
4947   EL_BD_PLAYER_GROWING_1,
4948   EL_BD_PLAYER_GROWING_2,
4949   EL_BD_PLAYER_GROWING_3,
4950   EL_BD_PLAYER,
4951
4952   EL_BD_PLAYER_WITH_BOMB,
4953   EL_BD_PLAYER_STIRRING,
4954   EL_BD_EXIT_OPEN,
4955   EL_BD_INVISIBLE_EXIT_OPEN,
4956
4957   EL_BD_BLADDER_1,
4958   EL_BD_BLADDER_2,
4959   EL_BD_BLADDER_3,
4960   EL_BD_BLADDER_4,
4961
4962   EL_BD_BLADDER_5,
4963   EL_BD_BLADDER_6,
4964   EL_BD_BLADDER_7,
4965   EL_BD_BLADDER_8,
4966
4967   EL_BD_SAND_2,
4968   EL_BD_COW_ENCLOSED_1,
4969   EL_BD_COW_ENCLOSED_2,
4970   EL_BD_COW_ENCLOSED_3,
4971
4972   EL_BD_COW_ENCLOSED_4,
4973   EL_BD_COW_ENCLOSED_5,
4974   EL_BD_COW_ENCLOSED_6,
4975   EL_BD_COW_ENCLOSED_7,
4976
4977   EL_BD_WATER_1,
4978   EL_BD_WATER_2,
4979   EL_BD_WATER_3,
4980   EL_BD_WATER_4,
4981
4982   EL_BD_WATER_5,
4983   EL_BD_WATER_6,
4984   EL_BD_WATER_7,
4985   EL_BD_WATER_8,
4986
4987   EL_BD_WATER_9,
4988   EL_BD_WATER_10,
4989   EL_BD_WATER_11,
4990   EL_BD_WATER_12,
4991
4992   EL_BD_WATER_13,
4993   EL_BD_WATER_14,
4994   EL_BD_WATER_15,
4995   EL_BD_WATER_16,
4996
4997   EL_BD_BOMB_TICKING_1,
4998   EL_BD_BOMB_TICKING_2,
4999   EL_BD_BOMB_TICKING_3,
5000   EL_BD_BOMB_TICKING_4,
5001
5002   EL_BD_BOMB_TICKING_5,
5003   EL_BD_BOMB_TICKING_6,
5004   EL_BD_BOMB_TICKING_7,
5005   EL_EMPTY,
5006
5007   EL_BD_BOMB_EXPLODING_1,
5008   EL_BD_BOMB_EXPLODING_2,
5009   EL_BD_BOMB_EXPLODING_3,
5010   EL_BD_BOMB_EXPLODING_4,
5011
5012   EL_BD_NUT_BREAKING_1,
5013   EL_BD_NUT_BREAKING_2,
5014   EL_BD_NUT_BREAKING_3,
5015   EL_BD_NUT_BREAKING_4,
5016
5017   EL_BD_EXPLODING_1,
5018   EL_BD_EXPLODING_2,
5019   EL_BD_EXPLODING_3,
5020   EL_BD_EXPLODING_4,
5021
5022   EL_BD_EXPLODING_5,
5023   EL_BD_TIME_PENALTY,
5024   EL_BD_DIAMOND_GROWING_1,
5025   EL_BD_DIAMOND_GROWING_2,
5026
5027   EL_BD_DIAMOND_GROWING_3,
5028   EL_BD_DIAMOND_GROWING_4,
5029   EL_BD_DIAMOND_GROWING_5,
5030   EL_BD_NITRO_PACK_EXPLODING,
5031
5032   EL_BD_NITRO_PACK_EXPLODING_1,
5033   EL_BD_NITRO_PACK_EXPLODING_2,
5034   EL_BD_NITRO_PACK_EXPLODING_3,
5035   EL_BD_NITRO_PACK_EXPLODING_4,
5036
5037   EL_BD_ROCK_GROWING_1,
5038   EL_BD_ROCK_GROWING_2,
5039   EL_BD_ROCK_GROWING_3,
5040   EL_BD_ROCK_GROWING_4,
5041
5042   EL_BD_STEELWALL_GROWING_1,
5043   EL_BD_STEELWALL_GROWING_2,
5044   EL_BD_STEELWALL_GROWING_3,
5045   EL_BD_STEELWALL_GROWING_4,
5046
5047   EL_BD_CLOCK_GROWING_1,
5048   EL_BD_CLOCK_GROWING_2,
5049   EL_BD_CLOCK_GROWING_3,
5050   EL_BD_CLOCK_GROWING_4,
5051
5052   EL_BD_GHOST_EXPLODING_1,
5053   EL_BD_GHOST_EXPLODING_2,
5054   EL_BD_GHOST_EXPLODING_3,
5055   EL_BD_GHOST_EXPLODING_4,
5056 };
5057 static int *editor_hl_boulderdash_effects_ptr = editor_hl_boulderdash_effects;
5058 static int *editor_el_boulderdash_effects_ptr = editor_el_boulderdash_effects;
5059 static int num_editor_hl_boulderdash_effects = ARRAY_SIZE(editor_hl_boulderdash_effects);
5060 static int num_editor_el_boulderdash_effects = ARRAY_SIZE(editor_el_boulderdash_effects);
5061
5062 static int editor_hl_emerald_mine[] =
5063 {
5064   EL_INTERNAL_CASCADE_EM_ACTIVE,
5065   EL_CHAR('E'),
5066   EL_CHAR('M'),
5067   EL_EMPTY,
5068 };
5069
5070 static int editor_el_emerald_mine[] =
5071 {
5072   EL_SAND,
5073   EL_ROCK,
5074   EL_QUICKSAND_EMPTY,
5075   EL_QUICKSAND_FULL,
5076
5077   EL_STEELWALL,
5078   EL_WALL,
5079   EL_WALL_SLIPPERY,
5080   EL_MAGIC_WALL,
5081
5082   EL_EMERALD,
5083   EL_DIAMOND,
5084   EL_NUT,
5085   EL_BOMB,
5086
5087   EL_EM_DYNAMITE,
5088   EL_EM_DYNAMITE_ACTIVE,
5089   EL_EM_EXIT_CLOSED,
5090   EL_EM_EXIT_OPEN,
5091
5092   EL_YAMYAM_UP,
5093   EL_BUG_UP,
5094   EL_SPACESHIP_UP,
5095   EL_ROBOT,
5096
5097   EL_BUG_LEFT,
5098   EL_SPACESHIP_LEFT,
5099   EL_BUG_RIGHT,
5100   EL_SPACESHIP_RIGHT,
5101
5102   EL_ROBOT_WHEEL,
5103   EL_BUG_DOWN,
5104   EL_SPACESHIP_DOWN,
5105   EL_INVISIBLE_WALL,
5106
5107   EL_ACID_POOL_TOPLEFT,
5108   EL_ACID,
5109   EL_ACID_POOL_TOPRIGHT,
5110   EL_AMOEBA_DROP,
5111
5112   EL_ACID_POOL_BOTTOMLEFT,
5113   EL_ACID_POOL_BOTTOM,
5114   EL_ACID_POOL_BOTTOMRIGHT,
5115   EL_AMOEBA_WET,
5116
5117   EL_EM_KEY_1,
5118   EL_EM_KEY_2,
5119   EL_EM_KEY_3,
5120   EL_EM_KEY_4,
5121
5122   EL_EM_GATE_1,
5123   EL_EM_GATE_2,
5124   EL_EM_GATE_3,
5125   EL_EM_GATE_4,
5126
5127   EL_EM_GATE_1_GRAY,
5128   EL_EM_GATE_2_GRAY,
5129   EL_EM_GATE_3_GRAY,
5130   EL_EM_GATE_4_GRAY,
5131 };
5132 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
5133 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
5134 static int num_editor_hl_emerald_mine = ARRAY_SIZE(editor_hl_emerald_mine);
5135 static int num_editor_el_emerald_mine = ARRAY_SIZE(editor_el_emerald_mine);
5136
5137 static int editor_hl_emerald_mine_club[] =
5138 {
5139   EL_INTERNAL_CASCADE_EMC_ACTIVE,
5140   EL_CHAR('E'),
5141   EL_CHAR('M'),
5142   EL_CHAR('C'),
5143 };
5144
5145 static int editor_el_emerald_mine_club[] =
5146 {
5147   EL_EMC_KEY_5,
5148   EL_EMC_KEY_6,
5149   EL_EMC_KEY_7,
5150   EL_EMC_KEY_8,
5151
5152   EL_EMC_GATE_5,
5153   EL_EMC_GATE_6,
5154   EL_EMC_GATE_7,
5155   EL_EMC_GATE_8,
5156
5157   EL_EMC_GATE_5_GRAY,
5158   EL_EMC_GATE_6_GRAY,
5159   EL_EMC_GATE_7_GRAY,
5160   EL_EMC_GATE_8_GRAY,
5161
5162   EL_EMC_STEELWALL_1,
5163   EL_EMC_STEELWALL_2,
5164   EL_EMC_STEELWALL_3,
5165   EL_EMC_STEELWALL_4,
5166
5167   EL_EMC_WALL_13,
5168   EL_EMC_WALL_14,
5169   EL_EMC_WALL_15,
5170   EL_EMC_WALL_16,
5171
5172   EL_EMC_WALL_SLIPPERY_1,
5173   EL_EMC_WALL_SLIPPERY_2,
5174   EL_EMC_WALL_SLIPPERY_3,
5175   EL_EMC_WALL_SLIPPERY_4,
5176
5177   EL_EMC_WALL_1,
5178   EL_EMC_WALL_2,
5179   EL_EMC_WALL_3,
5180   EL_EMC_WALL_4,
5181
5182   EL_EMC_WALL_5,
5183   EL_EMC_WALL_6,
5184   EL_EMC_WALL_7,
5185   EL_EMC_WALL_8,
5186
5187   EL_EMC_WALL_9,
5188   EL_EMC_WALL_10,
5189   EL_EMC_WALL_11,
5190   EL_EMC_WALL_12,
5191
5192   EL_EMC_GRASS,
5193   EL_EMC_FAKE_GRASS,
5194   EL_EMC_PLANT,
5195   EL_EMC_DRIPPER,
5196
5197   EL_EMC_MAGIC_BALL,
5198   EL_EMC_MAGIC_BALL_SWITCH,
5199   EL_EMC_LENSES,
5200   EL_EMC_MAGNIFIER,
5201
5202   EL_SPRING_LEFT,
5203   EL_SPRING,
5204   EL_SPRING_RIGHT,
5205   EL_EMC_SPRING_BUMPER,
5206
5207   EL_BALLOON,
5208   EL_YAMYAM_UP,
5209   EL_BALLOON_SWITCH_UP,
5210   EL_BALLOON_SWITCH_ANY,
5211
5212   EL_YAMYAM_LEFT,
5213   EL_BALLOON_SWITCH_LEFT,
5214   EL_YAMYAM_RIGHT,
5215   EL_BALLOON_SWITCH_RIGHT,
5216
5217   EL_EMC_ANDROID,
5218   EL_YAMYAM_DOWN,
5219   EL_BALLOON_SWITCH_DOWN,
5220   EL_BALLOON_SWITCH_NONE,
5221 };
5222 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
5223 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
5224 static int num_editor_hl_emerald_mine_club = ARRAY_SIZE(editor_hl_emerald_mine_club);
5225 static int num_editor_el_emerald_mine_club = ARRAY_SIZE(editor_el_emerald_mine_club);
5226
5227 static int editor_hl_rnd[] =
5228 {
5229   EL_INTERNAL_CASCADE_RND_ACTIVE,
5230   EL_CHAR('R'),
5231   EL_CHAR('N'),
5232   EL_CHAR('D'),
5233 };
5234
5235 static int editor_el_rnd[] =
5236 {
5237   EL_DYNAMITE,                  // RND
5238   EL_DYNAMITE_ACTIVE,           // RND
5239   EL_EMPTY,
5240   EL_EMPTY,
5241
5242   EL_KEY_1,
5243   EL_KEY_2,
5244   EL_KEY_3,
5245   EL_KEY_4,
5246
5247   EL_GATE_1,
5248   EL_GATE_2,
5249   EL_GATE_3,
5250   EL_GATE_4,
5251
5252   EL_GATE_1_GRAY,
5253   EL_GATE_2_GRAY,
5254   EL_GATE_3_GRAY,
5255   EL_GATE_4_GRAY,
5256
5257   EL_ARROW_LEFT,
5258   EL_ARROW_RIGHT,
5259   EL_ARROW_UP,
5260   EL_ARROW_DOWN,
5261
5262   EL_AMOEBA_DEAD,
5263   EL_AMOEBA_DRY,
5264   EL_AMOEBA_FULL,
5265   EL_GAME_OF_LIFE,
5266
5267   EL_EMERALD_YELLOW,
5268   EL_EMERALD_RED,
5269   EL_EMERALD_PURPLE,
5270   EL_BIOMAZE,
5271
5272   EL_WALL_EMERALD_YELLOW,
5273   EL_WALL_EMERALD_RED,
5274   EL_WALL_EMERALD_PURPLE,
5275   EL_WALL_BD_DIAMOND,
5276
5277   EL_SPEED_PILL,
5278   EL_PACMAN_UP,
5279   EL_TIME_ORB_FULL,
5280   EL_TIME_ORB_EMPTY,
5281
5282   EL_PACMAN_LEFT,
5283   EL_DARK_YAMYAM,
5284   EL_PACMAN_RIGHT,
5285   EL_YAMYAM,                    // RND
5286
5287   EL_BLACK_ORB,
5288   EL_PACMAN_DOWN,
5289   EL_LAMP,
5290   EL_LAMP_ACTIVE,
5291
5292   EL_DYNABOMB_INCREASE_NUMBER,
5293   EL_DYNABOMB_INCREASE_SIZE,
5294   EL_DYNABOMB_INCREASE_POWER,
5295   EL_STONEBLOCK,
5296
5297   EL_MOLE,
5298   EL_PENGUIN,
5299   EL_PIG,
5300   EL_DRAGON,
5301
5302   EL_BUG,
5303   EL_MOLE_UP,
5304   EL_BD_BUTTERFLY,
5305   EL_BD_FIREFLY,
5306
5307   EL_MOLE_LEFT,
5308   EL_SATELLITE,
5309   EL_MOLE_RIGHT,
5310   EL_PACMAN,
5311
5312   EL_SPACESHIP,
5313   EL_MOLE_DOWN,
5314   EL_INVISIBLE_STEELWALL,
5315   EL_INVISIBLE_WALL,
5316
5317   EL_EXPANDABLE_WALL,
5318   EL_EXPANDABLE_WALL_HORIZONTAL,
5319   EL_EXPANDABLE_WALL_VERTICAL,
5320   EL_EXPANDABLE_WALL_ANY,
5321 };
5322 static int *editor_hl_rnd_ptr = editor_hl_rnd;
5323 static int *editor_el_rnd_ptr = editor_el_rnd;
5324 static int num_editor_hl_rnd = ARRAY_SIZE(editor_hl_rnd);
5325 static int num_editor_el_rnd = ARRAY_SIZE(editor_el_rnd);
5326
5327 static int editor_hl_sokoban[] =
5328 {
5329   EL_INTERNAL_CASCADE_SB_ACTIVE,
5330   EL_CHAR('S'),
5331   EL_CHAR('B'),
5332   EL_EMPTY,
5333 };
5334
5335 static int editor_el_sokoban[] =
5336 {
5337   EL_SOKOBAN_OBJECT,
5338   EL_SOKOBAN_FIELD_EMPTY,
5339   EL_SOKOBAN_FIELD_FULL,
5340   EL_SOKOBAN_FIELD_PLAYER,
5341 };
5342 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
5343 static int *editor_el_sokoban_ptr = editor_el_sokoban;
5344 static int num_editor_hl_sokoban = ARRAY_SIZE(editor_hl_sokoban);
5345 static int num_editor_el_sokoban = ARRAY_SIZE(editor_el_sokoban);
5346
5347 static int editor_hl_supaplex[] =
5348 {
5349   EL_INTERNAL_CASCADE_SP_ACTIVE,
5350   EL_CHAR('S'),
5351   EL_CHAR('P'),
5352   EL_EMPTY,
5353 };
5354
5355 static int editor_el_supaplex[] =
5356 {
5357   EL_SP_MURPHY,
5358   EL_EMPTY,
5359   EL_SP_BASE,
5360   EL_SP_BUGGY_BASE,
5361
5362   EL_SP_INFOTRON,
5363   EL_SP_ZONK,
5364   EL_SP_SNIKSNAK,
5365   EL_SP_ELECTRON,
5366
5367   EL_SP_DISK_RED,
5368   EL_SP_DISK_ORANGE,
5369   EL_SP_DISK_YELLOW,
5370   EL_SP_TERMINAL,
5371
5372   EL_SP_EXIT_CLOSED,
5373   EL_SP_PORT_HORIZONTAL,
5374   EL_SP_PORT_VERTICAL,
5375   EL_SP_PORT_ANY,
5376
5377   EL_SP_PORT_LEFT,
5378   EL_SP_PORT_RIGHT,
5379   EL_SP_PORT_UP,
5380   EL_SP_PORT_DOWN,
5381
5382   EL_SP_GRAVITY_PORT_LEFT,
5383   EL_SP_GRAVITY_PORT_RIGHT,
5384   EL_SP_GRAVITY_PORT_UP,
5385   EL_SP_GRAVITY_PORT_DOWN,
5386
5387   EL_SP_GRAVITY_ON_PORT_LEFT,
5388   EL_SP_GRAVITY_ON_PORT_RIGHT,
5389   EL_SP_GRAVITY_ON_PORT_UP,
5390   EL_SP_GRAVITY_ON_PORT_DOWN,
5391
5392   EL_SP_GRAVITY_OFF_PORT_LEFT,
5393   EL_SP_GRAVITY_OFF_PORT_RIGHT,
5394   EL_SP_GRAVITY_OFF_PORT_UP,
5395   EL_SP_GRAVITY_OFF_PORT_DOWN,
5396
5397   EL_SP_HARDWARE_GRAY,
5398   EL_SP_HARDWARE_GREEN,
5399   EL_SP_HARDWARE_BLUE,
5400   EL_SP_HARDWARE_RED,
5401
5402   EL_SP_HARDWARE_BASE_1,
5403   EL_SP_HARDWARE_BASE_2,
5404   EL_SP_HARDWARE_BASE_3,
5405   EL_SP_HARDWARE_BASE_4,
5406
5407   EL_SP_HARDWARE_BASE_5,
5408   EL_SP_HARDWARE_BASE_6,
5409   EL_SP_HARDWARE_YELLOW,
5410   EL_SP_CHIP_TOP,
5411
5412   EL_SP_CHIP_SINGLE,
5413   EL_SP_CHIP_LEFT,
5414   EL_SP_CHIP_RIGHT,
5415   EL_SP_CHIP_BOTTOM,
5416 };
5417 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
5418 static int *editor_el_supaplex_ptr = editor_el_supaplex;
5419 static int num_editor_hl_supaplex = ARRAY_SIZE(editor_hl_supaplex);
5420 static int num_editor_el_supaplex = ARRAY_SIZE(editor_el_supaplex);
5421
5422 static int editor_hl_diamond_caves[] =
5423 {
5424   EL_INTERNAL_CASCADE_DC_ACTIVE,
5425   EL_CHAR('D'),
5426   EL_CHAR('C'),
5427   EL_CHAR('2'),
5428 };
5429
5430 static int editor_el_diamond_caves[] =
5431 {
5432   EL_EM_STEEL_EXIT_CLOSED,      // DC2
5433   EL_EM_STEEL_EXIT_OPEN,        // DC2
5434   EL_WALL_EMERALD,              // DC2
5435   EL_WALL_DIAMOND,              // DC2
5436
5437   EL_PEARL,
5438   EL_CRYSTAL,
5439   EL_WALL_PEARL,
5440   EL_WALL_CRYSTAL,
5441
5442   EL_CONVEYOR_BELT_1_LEFT,
5443   EL_CONVEYOR_BELT_1_MIDDLE,
5444   EL_CONVEYOR_BELT_1_RIGHT,
5445   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
5446
5447   EL_CONVEYOR_BELT_2_LEFT,
5448   EL_CONVEYOR_BELT_2_MIDDLE,
5449   EL_CONVEYOR_BELT_2_RIGHT,
5450   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
5451
5452   EL_CONVEYOR_BELT_3_LEFT,
5453   EL_CONVEYOR_BELT_3_MIDDLE,
5454   EL_CONVEYOR_BELT_3_RIGHT,
5455   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
5456
5457   EL_CONVEYOR_BELT_4_LEFT,
5458   EL_CONVEYOR_BELT_4_MIDDLE,
5459   EL_CONVEYOR_BELT_4_RIGHT,
5460   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
5461
5462   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
5463   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
5464   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
5465   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
5466
5467   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
5468   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
5469   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
5470   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
5471
5472   EL_TIMEGATE_CLOSED,
5473   EL_TIMEGATE_OPEN,
5474   EL_TIMEGATE_SWITCH,
5475   EL_DC_TIMEGATE_SWITCH,
5476
5477   EL_SWITCHGATE_CLOSED,
5478   EL_SWITCHGATE_OPEN,
5479   EL_SWITCHGATE_SWITCH_UP,
5480   EL_SWITCHGATE_SWITCH_DOWN,
5481
5482   EL_LIGHT_SWITCH,
5483   EL_LIGHT_SWITCH_ACTIVE,
5484   EL_DC_SWITCHGATE_SWITCH_UP,
5485   EL_DC_SWITCHGATE_SWITCH_DOWN,
5486
5487   EL_STEEL_EXIT_CLOSED,
5488   EL_STEEL_EXIT_OPEN,
5489   EL_STEELWALL_SLIPPERY,
5490   EL_INVISIBLE_SAND,
5491
5492   EL_QUICKSAND_FAST_EMPTY,
5493   EL_QUICKSAND_FAST_FULL,
5494   EL_LANDMINE,
5495   EL_DC_LANDMINE,
5496
5497   EL_SHIELD_NORMAL,
5498   EL_SHIELD_DEADLY,
5499   EL_EXTRA_TIME,
5500   EL_DC_MAGIC_WALL,
5501
5502   EL_ENVELOPE_1,
5503   EL_ENVELOPE_2,
5504   EL_ENVELOPE_3,
5505   EL_ENVELOPE_4,
5506
5507   EL_SIGN_RADIOACTIVITY,
5508   EL_SIGN_WHEELCHAIR,
5509   EL_SIGN_PARKING,
5510   EL_SIGN_NO_ENTRY,
5511
5512   EL_SIGN_GIVE_WAY,
5513   EL_SIGN_ENTRY_FORBIDDEN,
5514   EL_SIGN_EMERGENCY_EXIT,
5515   EL_SIGN_YIN_YANG,
5516
5517 #if 0
5518   EL_SIGN_SPERMS,
5519   EL_SIGN_BULLET,
5520   EL_SIGN_HEART,
5521   EL_SIGN_CROSS,
5522
5523   EL_SIGN_FRANKIE,
5524   EL_EMPTY,
5525   EL_EMPTY,
5526   EL_EMPTY,
5527
5528   EL_SPERMS,
5529   EL_BULLET,
5530   EL_HEART,
5531   EL_CROSS,
5532
5533   EL_FRANKIE,
5534   EL_EMPTY,
5535   EL_EMPTY,
5536   EL_EMPTY,
5537 #endif
5538
5539   EL_DC_STEELWALL_2_SINGLE,
5540   EL_DC_STEELWALL_2_TOP,
5541   EL_SIGN_EXCLAMATION,
5542   EL_SIGN_STOP,
5543
5544   EL_DC_STEELWALL_2_LEFT,
5545   EL_DC_STEELWALL_2_MIDDLE,
5546   EL_DC_STEELWALL_2_HORIZONTAL,
5547   EL_DC_STEELWALL_2_RIGHT,
5548
5549   EL_DC_STEELWALL_1_TOPLEFT,
5550   EL_DC_STEELWALL_2_VERTICAL,
5551   EL_DC_STEELWALL_1_TOPRIGHT,
5552   EL_DC_GATE_WHITE,
5553
5554   EL_DC_STEELWALL_1_VERTICAL,
5555   EL_DC_STEELWALL_2_BOTTOM,
5556   EL_DC_KEY_WHITE,
5557   EL_DC_GATE_WHITE_GRAY,
5558
5559   EL_DC_STEELWALL_1_BOTTOMLEFT,
5560   EL_DC_STEELWALL_1_HORIZONTAL,
5561   EL_DC_STEELWALL_1_BOTTOMRIGHT,
5562   EL_DC_GATE_FAKE_GRAY,
5563
5564   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
5565   EL_DC_STEELWALL_1_BOTTOM,
5566   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
5567   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
5568
5569   EL_DC_STEELWALL_1_RIGHT,
5570   EL_EMPTY,
5571   EL_DC_STEELWALL_1_LEFT,
5572   EL_EXPANDABLE_STEELWALL_VERTICAL,
5573
5574   EL_DC_STEELWALL_1_TOPRIGHT_2,
5575   EL_DC_STEELWALL_1_TOP,
5576   EL_DC_STEELWALL_1_TOPLEFT_2,
5577   EL_EXPANDABLE_STEELWALL_ANY,
5578 };
5579 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
5580 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
5581 static int num_editor_hl_diamond_caves = ARRAY_SIZE(editor_hl_diamond_caves);
5582 static int num_editor_el_diamond_caves = ARRAY_SIZE(editor_el_diamond_caves);
5583
5584 static int editor_hl_dx_boulderdash[] =
5585 {
5586   EL_INTERNAL_CASCADE_DX_ACTIVE,
5587   EL_CHAR('D'),
5588   EL_CHAR('X'),
5589   EL_EMPTY,
5590 };
5591
5592 static int editor_el_dx_boulderdash[] =
5593 {
5594   EL_EMPTY,
5595   EL_TUBE_RIGHT_DOWN,
5596   EL_TUBE_HORIZONTAL_DOWN,
5597   EL_TUBE_LEFT_DOWN,
5598
5599   EL_TUBE_HORIZONTAL,
5600   EL_TUBE_VERTICAL_RIGHT,
5601   EL_TUBE_ANY,
5602   EL_TUBE_VERTICAL_LEFT,
5603
5604   EL_TUBE_VERTICAL,
5605   EL_TUBE_RIGHT_UP,
5606   EL_TUBE_HORIZONTAL_UP,
5607   EL_TUBE_LEFT_UP,
5608
5609   EL_TRAP,
5610   EL_DX_SUPABOMB,
5611   EL_EMPTY,
5612   EL_EMPTY
5613 };
5614 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
5615 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
5616 static int num_editor_hl_dx_boulderdash = ARRAY_SIZE(editor_hl_dx_boulderdash);
5617 static int num_editor_el_dx_boulderdash = ARRAY_SIZE(editor_el_dx_boulderdash);
5618
5619 static int editor_hl_mirror_magic[] =
5620 {
5621   EL_INTERNAL_CASCADE_MM_ACTIVE,
5622   EL_CHAR('M'),
5623   EL_CHAR('M'),
5624   EL_EMPTY,
5625 };
5626
5627 static int editor_el_mirror_magic[] =
5628 {
5629   EL_MM_MCDUFFIN_RIGHT,
5630   EL_MM_MCDUFFIN_UP,
5631   EL_MM_MCDUFFIN_LEFT,
5632   EL_MM_MCDUFFIN_DOWN,
5633
5634   EL_MM_MIRROR_START,
5635   EL_MM_MIRROR_FIXED_START,
5636   EL_MM_POLARIZER_START,
5637   EL_MM_POLARIZER_CROSS_START,
5638
5639   EL_MM_TELEPORTER_RED_START,
5640   EL_MM_TELEPORTER_YELLOW_START,
5641   EL_MM_TELEPORTER_GREEN_START,
5642   EL_MM_TELEPORTER_BLUE_START,
5643
5644   EL_MM_PRISM,
5645   EL_MM_FUSE_ACTIVE,
5646   EL_MM_PACMAN_RIGHT,
5647   EL_MM_EXIT_CLOSED,
5648
5649   EL_MM_KETTLE,
5650   EL_MM_BOMB,
5651   EL_MM_KEY,
5652   EL_MM_FUEL_FULL,
5653
5654   EL_MM_LIGHTBULB,
5655   EL_MM_LIGHTBULB_ACTIVE,
5656   EL_MM_GRAY_BALL,
5657   EL_MM_LIGHTBALL,
5658
5659   EL_MM_STEEL_WALL,
5660   EL_MM_WOODEN_WALL,
5661   EL_MM_ICE_WALL,
5662   EL_MM_AMOEBA_WALL,
5663
5664   EL_MM_STEEL_LOCK,
5665   EL_MM_WOODEN_LOCK,
5666   EL_MM_STEEL_BLOCK,
5667   EL_MM_WOODEN_BLOCK,
5668
5669   EL_MM_STEEL_GRID_FIXED_1,
5670   EL_MM_STEEL_GRID_FIXED_2,
5671   EL_MM_STEEL_GRID_FIXED_3,
5672   EL_MM_STEEL_GRID_FIXED_4,
5673
5674   EL_MM_WOODEN_GRID_FIXED_1,
5675   EL_MM_WOODEN_GRID_FIXED_2,
5676   EL_MM_WOODEN_GRID_FIXED_3,
5677   EL_MM_WOODEN_GRID_FIXED_4,
5678
5679   EL_MM_ENVELOPE_1,
5680   EL_MM_ENVELOPE_2,
5681   EL_MM_ENVELOPE_3,
5682   EL_MM_ENVELOPE_4
5683 };
5684 static int *editor_hl_mirror_magic_ptr = editor_hl_mirror_magic;
5685 static int *editor_el_mirror_magic_ptr = editor_el_mirror_magic;
5686 static int num_editor_hl_mirror_magic = ARRAY_SIZE(editor_hl_mirror_magic);
5687 static int num_editor_el_mirror_magic = ARRAY_SIZE(editor_el_mirror_magic);
5688
5689 static int editor_hl_deflektor[] =
5690 {
5691   EL_INTERNAL_CASCADE_DF_ACTIVE,
5692   EL_CHAR('D'),
5693   EL_CHAR('F'),
5694   EL_EMPTY,
5695 };
5696
5697 static int editor_el_deflektor[] =
5698 {
5699   EL_DF_LASER_RIGHT,
5700   EL_DF_LASER_UP,
5701   EL_DF_LASER_LEFT,
5702   EL_DF_LASER_DOWN,
5703
5704   EL_DF_RECEIVER_RIGHT,
5705   EL_DF_RECEIVER_UP,
5706   EL_DF_RECEIVER_LEFT,
5707   EL_DF_RECEIVER_DOWN,
5708
5709   EL_DF_MIRROR_START,
5710   EL_DF_MIRROR_ROTATING_START,
5711   EL_DF_MIRROR_FIXED_START,
5712   EL_DF_CELL,
5713
5714   EL_DF_FIBRE_OPTIC_RED_1,
5715   EL_DF_FIBRE_OPTIC_YELLOW_1,
5716   EL_DF_FIBRE_OPTIC_GREEN_1,
5717   EL_DF_FIBRE_OPTIC_BLUE_1,
5718
5719   EL_DF_STEEL_GRID_FIXED_START,
5720   EL_DF_STEEL_GRID_ROTATING_START,
5721   EL_DF_WOODEN_GRID_FIXED_START,
5722   EL_DF_WOODEN_GRID_ROTATING_START,
5723
5724   EL_DF_STEEL_WALL,
5725   EL_DF_WOODEN_WALL,
5726   EL_DF_REFRACTOR,
5727   EL_DF_MINE,
5728
5729   EL_DF_SLOPE_1,
5730   EL_DF_SLOPE_2,
5731   EL_DF_SLOPE_3,
5732   EL_DF_SLOPE_4
5733 };
5734 static int *editor_hl_deflektor_ptr = editor_hl_deflektor;
5735 static int *editor_el_deflektor_ptr = editor_el_deflektor;
5736 static int num_editor_hl_deflektor = ARRAY_SIZE(editor_hl_deflektor);
5737 static int num_editor_el_deflektor = ARRAY_SIZE(editor_el_deflektor);
5738
5739 static int editor_hl_chars[] =
5740 {
5741   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
5742   EL_CHAR('T'),
5743   EL_CHAR('X'),
5744   EL_CHAR('T'),
5745 };
5746
5747 static int editor_el_chars[] =
5748 {
5749   EL_CHAR(' '),
5750   EL_CHAR('!'),
5751   EL_CHAR('"'),
5752   EL_CHAR('#'),
5753
5754   EL_CHAR('$'),
5755   EL_CHAR('%'),
5756   EL_CHAR('&'),
5757   EL_CHAR('\''),
5758
5759   EL_CHAR('('),
5760   EL_CHAR(')'),
5761   EL_CHAR('*'),
5762   EL_CHAR('+'),
5763
5764   EL_CHAR(','),
5765   EL_CHAR('-'),
5766   EL_CHAR('.'),
5767   EL_CHAR('/'),
5768
5769   EL_CHAR('0'),
5770   EL_CHAR('1'),
5771   EL_CHAR('2'),
5772   EL_CHAR('3'),
5773
5774   EL_CHAR('4'),
5775   EL_CHAR('5'),
5776   EL_CHAR('6'),
5777   EL_CHAR('7'),
5778
5779   EL_CHAR('8'),
5780   EL_CHAR('9'),
5781   EL_CHAR(':'),
5782   EL_CHAR(';'),
5783
5784   EL_CHAR('<'),
5785   EL_CHAR('='),
5786   EL_CHAR('>'),
5787   EL_CHAR('?'),
5788
5789   EL_CHAR('@'),
5790   EL_CHAR('A'),
5791   EL_CHAR('B'),
5792   EL_CHAR('C'),
5793
5794   EL_CHAR('D'),
5795   EL_CHAR('E'),
5796   EL_CHAR('F'),
5797   EL_CHAR('G'),
5798
5799   EL_CHAR('H'),
5800   EL_CHAR('I'),
5801   EL_CHAR('J'),
5802   EL_CHAR('K'),
5803
5804   EL_CHAR('L'),
5805   EL_CHAR('M'),
5806   EL_CHAR('N'),
5807   EL_CHAR('O'),
5808
5809   EL_CHAR('P'),
5810   EL_CHAR('Q'),
5811   EL_CHAR('R'),
5812   EL_CHAR('S'),
5813
5814   EL_CHAR('T'),
5815   EL_CHAR('U'),
5816   EL_CHAR('V'),
5817   EL_CHAR('W'),
5818
5819   EL_CHAR('X'),
5820   EL_CHAR('Y'),
5821   EL_CHAR('Z'),
5822   EL_CHAR('['),
5823
5824   EL_CHAR('\\'),
5825   EL_CHAR(']'),
5826   EL_CHAR('^'),
5827   EL_CHAR('_'),
5828
5829   EL_CHAR(CHAR_BYTE_COPYRIGHT),
5830   EL_CHAR(CHAR_BYTE_UMLAUT_A),
5831   EL_CHAR(CHAR_BYTE_UMLAUT_O),
5832   EL_CHAR(CHAR_BYTE_UMLAUT_U),
5833
5834   EL_CHAR(CHAR_BYTE_DEGREE),
5835   EL_CHAR(CHAR_BYTE_REGISTERED),
5836   EL_CHAR(FONT_ASCII_CURSOR),
5837   EL_CHAR(FONT_ASCII_BUTTON),
5838
5839   EL_CHAR(FONT_ASCII_UP),
5840   EL_CHAR(FONT_ASCII_DOWN),
5841   EL_CHAR(' '),
5842   EL_CHAR(' ')
5843 };
5844 static int *editor_hl_chars_ptr = editor_hl_chars;
5845 static int *editor_el_chars_ptr = editor_el_chars;
5846 static int num_editor_hl_chars = ARRAY_SIZE(editor_hl_chars);
5847 static int num_editor_el_chars = ARRAY_SIZE(editor_el_chars);
5848
5849 static int editor_hl_steel_chars[] =
5850 {
5851   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
5852   EL_STEEL_CHAR('T'),
5853   EL_STEEL_CHAR('X'),
5854   EL_STEEL_CHAR('T'),
5855 };
5856
5857 static int editor_el_steel_chars[] =
5858 {
5859   EL_STEEL_CHAR(' '),
5860   EL_STEEL_CHAR('!'),
5861   EL_STEEL_CHAR('"'),
5862   EL_STEEL_CHAR('#'),
5863
5864   EL_STEEL_CHAR('$'),
5865   EL_STEEL_CHAR('%'),
5866   EL_STEEL_CHAR('&'),
5867   EL_STEEL_CHAR('\''),
5868
5869   EL_STEEL_CHAR('('),
5870   EL_STEEL_CHAR(')'),
5871   EL_STEEL_CHAR('*'),
5872   EL_STEEL_CHAR('+'),
5873
5874   EL_STEEL_CHAR(','),
5875   EL_STEEL_CHAR('-'),
5876   EL_STEEL_CHAR('.'),
5877   EL_STEEL_CHAR('/'),
5878
5879   EL_STEEL_CHAR('0'),
5880   EL_STEEL_CHAR('1'),
5881   EL_STEEL_CHAR('2'),
5882   EL_STEEL_CHAR('3'),
5883
5884   EL_STEEL_CHAR('4'),
5885   EL_STEEL_CHAR('5'),
5886   EL_STEEL_CHAR('6'),
5887   EL_STEEL_CHAR('7'),
5888
5889   EL_STEEL_CHAR('8'),
5890   EL_STEEL_CHAR('9'),
5891   EL_STEEL_CHAR(':'),
5892   EL_STEEL_CHAR(';'),
5893
5894   EL_STEEL_CHAR('<'),
5895   EL_STEEL_CHAR('='),
5896   EL_STEEL_CHAR('>'),
5897   EL_STEEL_CHAR('?'),
5898
5899   EL_STEEL_CHAR('@'),
5900   EL_STEEL_CHAR('A'),
5901   EL_STEEL_CHAR('B'),
5902   EL_STEEL_CHAR('C'),
5903
5904   EL_STEEL_CHAR('D'),
5905   EL_STEEL_CHAR('E'),
5906   EL_STEEL_CHAR('F'),
5907   EL_STEEL_CHAR('G'),
5908
5909   EL_STEEL_CHAR('H'),
5910   EL_STEEL_CHAR('I'),
5911   EL_STEEL_CHAR('J'),
5912   EL_STEEL_CHAR('K'),
5913
5914   EL_STEEL_CHAR('L'),
5915   EL_STEEL_CHAR('M'),
5916   EL_STEEL_CHAR('N'),
5917   EL_STEEL_CHAR('O'),
5918
5919   EL_STEEL_CHAR('P'),
5920   EL_STEEL_CHAR('Q'),
5921   EL_STEEL_CHAR('R'),
5922   EL_STEEL_CHAR('S'),
5923
5924   EL_STEEL_CHAR('T'),
5925   EL_STEEL_CHAR('U'),
5926   EL_STEEL_CHAR('V'),
5927   EL_STEEL_CHAR('W'),
5928
5929   EL_STEEL_CHAR('X'),
5930   EL_STEEL_CHAR('Y'),
5931   EL_STEEL_CHAR('Z'),
5932   EL_STEEL_CHAR('['),
5933
5934   EL_STEEL_CHAR('\\'),
5935   EL_STEEL_CHAR(']'),
5936   EL_STEEL_CHAR('^'),
5937   EL_STEEL_CHAR('_'),
5938
5939   EL_STEEL_CHAR(CHAR_BYTE_COPYRIGHT),
5940   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_A),
5941   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_O),
5942   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_U),
5943
5944   EL_STEEL_CHAR(CHAR_BYTE_DEGREE),
5945   EL_STEEL_CHAR(CHAR_BYTE_REGISTERED),
5946   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
5947   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
5948
5949   EL_STEEL_CHAR(FONT_ASCII_UP),
5950   EL_STEEL_CHAR(FONT_ASCII_DOWN),
5951   EL_STEEL_CHAR(' '),
5952   EL_STEEL_CHAR(' ')
5953 };
5954 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
5955 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
5956 static int num_editor_hl_steel_chars = ARRAY_SIZE(editor_hl_steel_chars);
5957 static int num_editor_el_steel_chars = ARRAY_SIZE(editor_el_steel_chars);
5958
5959 static int editor_hl_custom[] =
5960 {
5961   EL_INTERNAL_CASCADE_CE_ACTIVE,
5962   EL_CHAR('C'),
5963   EL_CHAR('E'),
5964   EL_EMPTY,
5965 };
5966
5967 static int editor_el_custom[] =
5968 {
5969   EL_CUSTOM_START + 0,
5970   EL_CUSTOM_START + 1,
5971   EL_CUSTOM_START + 2,
5972   EL_CUSTOM_START + 3,
5973
5974   EL_CUSTOM_START + 4,
5975   EL_CUSTOM_START + 5,
5976   EL_CUSTOM_START + 6,
5977   EL_CUSTOM_START + 7,
5978
5979   EL_CUSTOM_START + 8,
5980   EL_CUSTOM_START + 9,
5981   EL_CUSTOM_START + 10,
5982   EL_CUSTOM_START + 11,
5983
5984   EL_CUSTOM_START + 12,
5985   EL_CUSTOM_START + 13,
5986   EL_CUSTOM_START + 14,
5987   EL_CUSTOM_START + 15,
5988
5989   EL_CUSTOM_START + 16,
5990   EL_CUSTOM_START + 17,
5991   EL_CUSTOM_START + 18,
5992   EL_CUSTOM_START + 19,
5993
5994   EL_CUSTOM_START + 20,
5995   EL_CUSTOM_START + 21,
5996   EL_CUSTOM_START + 22,
5997   EL_CUSTOM_START + 23,
5998
5999   EL_CUSTOM_START + 24,
6000   EL_CUSTOM_START + 25,
6001   EL_CUSTOM_START + 26,
6002   EL_CUSTOM_START + 27,
6003
6004   EL_CUSTOM_START + 28,
6005   EL_CUSTOM_START + 29,
6006   EL_CUSTOM_START + 30,
6007   EL_CUSTOM_START + 31,
6008
6009   EL_CUSTOM_START + 32,
6010   EL_CUSTOM_START + 33,
6011   EL_CUSTOM_START + 34,
6012   EL_CUSTOM_START + 35,
6013
6014   EL_CUSTOM_START + 36,
6015   EL_CUSTOM_START + 37,
6016   EL_CUSTOM_START + 38,
6017   EL_CUSTOM_START + 39,
6018
6019   EL_CUSTOM_START + 40,
6020   EL_CUSTOM_START + 41,
6021   EL_CUSTOM_START + 42,
6022   EL_CUSTOM_START + 43,
6023
6024   EL_CUSTOM_START + 44,
6025   EL_CUSTOM_START + 45,
6026   EL_CUSTOM_START + 46,
6027   EL_CUSTOM_START + 47,
6028
6029   EL_CUSTOM_START + 48,
6030   EL_CUSTOM_START + 49,
6031   EL_CUSTOM_START + 50,
6032   EL_CUSTOM_START + 51,
6033
6034   EL_CUSTOM_START + 52,
6035   EL_CUSTOM_START + 53,
6036   EL_CUSTOM_START + 54,
6037   EL_CUSTOM_START + 55,
6038
6039   EL_CUSTOM_START + 56,
6040   EL_CUSTOM_START + 57,
6041   EL_CUSTOM_START + 58,
6042   EL_CUSTOM_START + 59,
6043
6044   EL_CUSTOM_START + 60,
6045   EL_CUSTOM_START + 61,
6046   EL_CUSTOM_START + 62,
6047   EL_CUSTOM_START + 63,
6048
6049   EL_CUSTOM_START + 64,
6050   EL_CUSTOM_START + 65,
6051   EL_CUSTOM_START + 66,
6052   EL_CUSTOM_START + 67,
6053
6054   EL_CUSTOM_START + 68,
6055   EL_CUSTOM_START + 69,
6056   EL_CUSTOM_START + 70,
6057   EL_CUSTOM_START + 71,
6058
6059   EL_CUSTOM_START + 72,
6060   EL_CUSTOM_START + 73,
6061   EL_CUSTOM_START + 74,
6062   EL_CUSTOM_START + 75,
6063
6064   EL_CUSTOM_START + 76,
6065   EL_CUSTOM_START + 77,
6066   EL_CUSTOM_START + 78,
6067   EL_CUSTOM_START + 79,
6068
6069   EL_CUSTOM_START + 80,
6070   EL_CUSTOM_START + 81,
6071   EL_CUSTOM_START + 82,
6072   EL_CUSTOM_START + 83,
6073
6074   EL_CUSTOM_START + 84,
6075   EL_CUSTOM_START + 85,
6076   EL_CUSTOM_START + 86,
6077   EL_CUSTOM_START + 87,
6078
6079   EL_CUSTOM_START + 88,
6080   EL_CUSTOM_START + 89,
6081   EL_CUSTOM_START + 90,
6082   EL_CUSTOM_START + 91,
6083
6084   EL_CUSTOM_START + 92,
6085   EL_CUSTOM_START + 93,
6086   EL_CUSTOM_START + 94,
6087   EL_CUSTOM_START + 95,
6088
6089   EL_CUSTOM_START + 96,
6090   EL_CUSTOM_START + 97,
6091   EL_CUSTOM_START + 98,
6092   EL_CUSTOM_START + 99,
6093
6094   EL_CUSTOM_START + 100,
6095   EL_CUSTOM_START + 101,
6096   EL_CUSTOM_START + 102,
6097   EL_CUSTOM_START + 103,
6098
6099   EL_CUSTOM_START + 104,
6100   EL_CUSTOM_START + 105,
6101   EL_CUSTOM_START + 106,
6102   EL_CUSTOM_START + 107,
6103
6104   EL_CUSTOM_START + 108,
6105   EL_CUSTOM_START + 109,
6106   EL_CUSTOM_START + 110,
6107   EL_CUSTOM_START + 111,
6108
6109   EL_CUSTOM_START + 112,
6110   EL_CUSTOM_START + 113,
6111   EL_CUSTOM_START + 114,
6112   EL_CUSTOM_START + 115,
6113
6114   EL_CUSTOM_START + 116,
6115   EL_CUSTOM_START + 117,
6116   EL_CUSTOM_START + 118,
6117   EL_CUSTOM_START + 119,
6118
6119   EL_CUSTOM_START + 120,
6120   EL_CUSTOM_START + 121,
6121   EL_CUSTOM_START + 122,
6122   EL_CUSTOM_START + 123,
6123
6124   EL_CUSTOM_START + 124,
6125   EL_CUSTOM_START + 125,
6126   EL_CUSTOM_START + 126,
6127   EL_CUSTOM_START + 127,
6128
6129   EL_CUSTOM_START + 128,
6130   EL_CUSTOM_START + 129,
6131   EL_CUSTOM_START + 130,
6132   EL_CUSTOM_START + 131,
6133
6134   EL_CUSTOM_START + 132,
6135   EL_CUSTOM_START + 133,
6136   EL_CUSTOM_START + 134,
6137   EL_CUSTOM_START + 135,
6138
6139   EL_CUSTOM_START + 136,
6140   EL_CUSTOM_START + 137,
6141   EL_CUSTOM_START + 138,
6142   EL_CUSTOM_START + 139,
6143
6144   EL_CUSTOM_START + 140,
6145   EL_CUSTOM_START + 141,
6146   EL_CUSTOM_START + 142,
6147   EL_CUSTOM_START + 143,
6148
6149   EL_CUSTOM_START + 144,
6150   EL_CUSTOM_START + 145,
6151   EL_CUSTOM_START + 146,
6152   EL_CUSTOM_START + 147,
6153
6154   EL_CUSTOM_START + 148,
6155   EL_CUSTOM_START + 149,
6156   EL_CUSTOM_START + 150,
6157   EL_CUSTOM_START + 151,
6158
6159   EL_CUSTOM_START + 152,
6160   EL_CUSTOM_START + 153,
6161   EL_CUSTOM_START + 154,
6162   EL_CUSTOM_START + 155,
6163
6164   EL_CUSTOM_START + 156,
6165   EL_CUSTOM_START + 157,
6166   EL_CUSTOM_START + 158,
6167   EL_CUSTOM_START + 159,
6168
6169   EL_CUSTOM_START + 160,
6170   EL_CUSTOM_START + 161,
6171   EL_CUSTOM_START + 162,
6172   EL_CUSTOM_START + 163,
6173
6174   EL_CUSTOM_START + 164,
6175   EL_CUSTOM_START + 165,
6176   EL_CUSTOM_START + 166,
6177   EL_CUSTOM_START + 167,
6178
6179   EL_CUSTOM_START + 168,
6180   EL_CUSTOM_START + 169,
6181   EL_CUSTOM_START + 170,
6182   EL_CUSTOM_START + 171,
6183
6184   EL_CUSTOM_START + 172,
6185   EL_CUSTOM_START + 173,
6186   EL_CUSTOM_START + 174,
6187   EL_CUSTOM_START + 175,
6188
6189   EL_CUSTOM_START + 176,
6190   EL_CUSTOM_START + 177,
6191   EL_CUSTOM_START + 178,
6192   EL_CUSTOM_START + 179,
6193
6194   EL_CUSTOM_START + 180,
6195   EL_CUSTOM_START + 181,
6196   EL_CUSTOM_START + 182,
6197   EL_CUSTOM_START + 183,
6198
6199   EL_CUSTOM_START + 184,
6200   EL_CUSTOM_START + 185,
6201   EL_CUSTOM_START + 186,
6202   EL_CUSTOM_START + 187,
6203
6204   EL_CUSTOM_START + 188,
6205   EL_CUSTOM_START + 189,
6206   EL_CUSTOM_START + 190,
6207   EL_CUSTOM_START + 191,
6208
6209   EL_CUSTOM_START + 192,
6210   EL_CUSTOM_START + 193,
6211   EL_CUSTOM_START + 194,
6212   EL_CUSTOM_START + 195,
6213
6214   EL_CUSTOM_START + 196,
6215   EL_CUSTOM_START + 197,
6216   EL_CUSTOM_START + 198,
6217   EL_CUSTOM_START + 199,
6218
6219   EL_CUSTOM_START + 200,
6220   EL_CUSTOM_START + 201,
6221   EL_CUSTOM_START + 202,
6222   EL_CUSTOM_START + 203,
6223
6224   EL_CUSTOM_START + 204,
6225   EL_CUSTOM_START + 205,
6226   EL_CUSTOM_START + 206,
6227   EL_CUSTOM_START + 207,
6228
6229   EL_CUSTOM_START + 208,
6230   EL_CUSTOM_START + 209,
6231   EL_CUSTOM_START + 210,
6232   EL_CUSTOM_START + 211,
6233
6234   EL_CUSTOM_START + 212,
6235   EL_CUSTOM_START + 213,
6236   EL_CUSTOM_START + 214,
6237   EL_CUSTOM_START + 215,
6238
6239   EL_CUSTOM_START + 216,
6240   EL_CUSTOM_START + 217,
6241   EL_CUSTOM_START + 218,
6242   EL_CUSTOM_START + 219,
6243
6244   EL_CUSTOM_START + 220,
6245   EL_CUSTOM_START + 221,
6246   EL_CUSTOM_START + 222,
6247   EL_CUSTOM_START + 223,
6248
6249   EL_CUSTOM_START + 224,
6250   EL_CUSTOM_START + 225,
6251   EL_CUSTOM_START + 226,
6252   EL_CUSTOM_START + 227,
6253
6254   EL_CUSTOM_START + 228,
6255   EL_CUSTOM_START + 229,
6256   EL_CUSTOM_START + 230,
6257   EL_CUSTOM_START + 231,
6258
6259   EL_CUSTOM_START + 232,
6260   EL_CUSTOM_START + 233,
6261   EL_CUSTOM_START + 234,
6262   EL_CUSTOM_START + 235,
6263
6264   EL_CUSTOM_START + 236,
6265   EL_CUSTOM_START + 237,
6266   EL_CUSTOM_START + 238,
6267   EL_CUSTOM_START + 239,
6268
6269   EL_CUSTOM_START + 240,
6270   EL_CUSTOM_START + 241,
6271   EL_CUSTOM_START + 242,
6272   EL_CUSTOM_START + 243,
6273
6274   EL_CUSTOM_START + 244,
6275   EL_CUSTOM_START + 245,
6276   EL_CUSTOM_START + 246,
6277   EL_CUSTOM_START + 247,
6278
6279   EL_CUSTOM_START + 248,
6280   EL_CUSTOM_START + 249,
6281   EL_CUSTOM_START + 250,
6282   EL_CUSTOM_START + 251,
6283
6284   EL_CUSTOM_START + 252,
6285   EL_CUSTOM_START + 253,
6286   EL_CUSTOM_START + 254,
6287   EL_CUSTOM_START + 255
6288 };
6289 static int *editor_hl_custom_ptr = editor_hl_custom;
6290 static int *editor_el_custom_ptr = editor_el_custom;
6291 static int num_editor_hl_custom = ARRAY_SIZE(editor_hl_custom);
6292 static int num_editor_el_custom = ARRAY_SIZE(editor_el_custom);
6293
6294 static int editor_hl_group[] =
6295 {
6296   EL_INTERNAL_CASCADE_GE_ACTIVE,
6297   EL_CHAR('G'),
6298   EL_CHAR('E'),
6299   EL_EMPTY,
6300 };
6301
6302 static int editor_el_group[] =
6303 {
6304   EL_GROUP_START + 0,
6305   EL_GROUP_START + 1,
6306   EL_GROUP_START + 2,
6307   EL_GROUP_START + 3,
6308
6309   EL_GROUP_START + 4,
6310   EL_GROUP_START + 5,
6311   EL_GROUP_START + 6,
6312   EL_GROUP_START + 7,
6313
6314   EL_GROUP_START + 8,
6315   EL_GROUP_START + 9,
6316   EL_GROUP_START + 10,
6317   EL_GROUP_START + 11,
6318
6319   EL_GROUP_START + 12,
6320   EL_GROUP_START + 13,
6321   EL_GROUP_START + 14,
6322   EL_GROUP_START + 15,
6323
6324   EL_GROUP_START + 16,
6325   EL_GROUP_START + 17,
6326   EL_GROUP_START + 18,
6327   EL_GROUP_START + 19,
6328
6329   EL_GROUP_START + 20,
6330   EL_GROUP_START + 21,
6331   EL_GROUP_START + 22,
6332   EL_GROUP_START + 23,
6333
6334   EL_GROUP_START + 24,
6335   EL_GROUP_START + 25,
6336   EL_GROUP_START + 26,
6337   EL_GROUP_START + 27,
6338
6339   EL_GROUP_START + 28,
6340   EL_GROUP_START + 29,
6341   EL_GROUP_START + 30,
6342   EL_GROUP_START + 31
6343 };
6344 static int *editor_hl_group_ptr = editor_hl_group;
6345 static int *editor_el_group_ptr = editor_el_group;
6346 static int num_editor_hl_group = ARRAY_SIZE(editor_hl_group);
6347 static int num_editor_el_group = ARRAY_SIZE(editor_el_group);
6348
6349 static int editor_hl_empty_space[] =
6350 {
6351   EL_INTERNAL_CASCADE_ES_ACTIVE,
6352   EL_CHAR('E'),
6353   EL_CHAR('S'),
6354   EL_EMPTY,
6355 };
6356
6357 static int editor_el_empty_space[] =
6358 {
6359   EL_EMPTY_SPACE_1,
6360   EL_EMPTY_SPACE_2,
6361   EL_EMPTY_SPACE_3,
6362   EL_EMPTY_SPACE_4,
6363
6364   EL_EMPTY_SPACE_5,
6365   EL_EMPTY_SPACE_6,
6366   EL_EMPTY_SPACE_7,
6367   EL_EMPTY_SPACE_8,
6368
6369   EL_EMPTY_SPACE_9,
6370   EL_EMPTY_SPACE_10,
6371   EL_EMPTY_SPACE_11,
6372   EL_EMPTY_SPACE_12,
6373
6374   EL_EMPTY_SPACE_13,
6375   EL_EMPTY_SPACE_14,
6376   EL_EMPTY_SPACE_15,
6377   EL_EMPTY_SPACE_16
6378 };
6379 static int *editor_hl_empty_space_ptr = editor_hl_empty_space;
6380 static int *editor_el_empty_space_ptr = editor_el_empty_space;
6381 static int num_editor_hl_empty_space = ARRAY_SIZE(editor_hl_empty_space);
6382 static int num_editor_el_empty_space = ARRAY_SIZE(editor_el_empty_space);
6383
6384 static int editor_hl_reference[] =
6385 {
6386   EL_INTERNAL_CASCADE_REF_ACTIVE,
6387   EL_CHAR('R'),
6388   EL_CHAR('E'),
6389   EL_CHAR('F')
6390 };
6391
6392 static int editor_el_reference[] =
6393 {
6394   EL_TRIGGER_PLAYER,
6395   EL_TRIGGER_ELEMENT,
6396   EL_TRIGGER_CE_VALUE,
6397   EL_TRIGGER_CE_SCORE,
6398
6399   EL_SELF,
6400   EL_ANY_ELEMENT,
6401   EL_CURRENT_CE_VALUE,
6402   EL_CURRENT_CE_SCORE,
6403
6404   EL_PREV_CE_8,
6405   EL_PREV_CE_7,
6406   EL_PREV_CE_6,
6407   EL_PREV_CE_5,
6408
6409   EL_PREV_CE_4,
6410   EL_PREV_CE_3,
6411   EL_PREV_CE_2,
6412   EL_PREV_CE_1,
6413
6414   EL_NEXT_CE_1,
6415   EL_NEXT_CE_2,
6416   EL_NEXT_CE_3,
6417   EL_NEXT_CE_4,
6418
6419   EL_NEXT_CE_5,
6420   EL_NEXT_CE_6,
6421   EL_NEXT_CE_7,
6422   EL_NEXT_CE_8,
6423 };
6424 static int *editor_hl_reference_ptr = editor_hl_reference;
6425 static int *editor_el_reference_ptr = editor_el_reference;
6426 static int num_editor_hl_reference = ARRAY_SIZE(editor_hl_reference);
6427 static int num_editor_el_reference = ARRAY_SIZE(editor_el_reference);
6428
6429 static int editor_hl_user_defined[] =
6430 {
6431   EL_INTERNAL_CASCADE_USER_ACTIVE,
6432   EL_CHAR('M'),
6433   EL_CHAR('Y'),
6434   EL_EMPTY,
6435 };
6436
6437 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
6438 static int *editor_el_user_defined_ptr = NULL;
6439 static int num_editor_hl_user_defined = ARRAY_SIZE(editor_hl_user_defined);
6440 static int num_editor_el_user_defined = 0;
6441
6442 static int editor_hl_dynamic[] =
6443 {
6444   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
6445   EL_CHAR('U'),
6446   EL_CHAR('S'),
6447   EL_CHAR('E'),
6448 };
6449
6450 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
6451 static int *editor_el_dynamic_ptr = NULL;
6452 static int num_editor_hl_dynamic = ARRAY_SIZE(editor_hl_dynamic);
6453 static int num_editor_el_dynamic = 0;
6454
6455 static int editor_hl_empty[] = { EL_EMPTY };
6456 static int *editor_el_empty = NULL;     // dynamically allocated
6457
6458 static int *editor_hl_empty_ptr = editor_hl_empty;
6459 static int *editor_el_empty_ptr = NULL;
6460 static int num_editor_hl_empty = 0;
6461 static int num_editor_el_empty = 0;     // dynamically determined, if needed
6462
6463 static boolean use_el_empty = FALSE;
6464
6465 static int *editor_elements = NULL;     // dynamically allocated
6466 static int num_editor_elements = 0;     // dynamically determined
6467
6468 static boolean setup_editor_cascade_never = FALSE;
6469
6470 static boolean setup_editor_el_players                  = TRUE;
6471 static boolean setup_editor_el_boulderdash              = TRUE;
6472 static boolean setup_editor_el_boulderdash_native       = TRUE;
6473 static boolean setup_editor_el_boulderdash_effects      = TRUE;
6474 static boolean setup_editor_el_emerald_mine             = TRUE;
6475 static boolean setup_editor_el_emerald_mine_club        = TRUE;
6476 static boolean setup_editor_el_more                     = TRUE;
6477 static boolean setup_editor_el_sokoban                  = TRUE;
6478 static boolean setup_editor_el_supaplex                 = TRUE;
6479 static boolean setup_editor_el_diamond_caves            = TRUE;
6480 static boolean setup_editor_el_dx_boulderdash           = TRUE;
6481 static boolean setup_editor_el_mirror_magic             = TRUE;
6482 static boolean setup_editor_el_deflektor                = TRUE;
6483 static boolean setup_editor_el_chars                    = TRUE;
6484 static boolean setup_editor_el_steel_chars              = TRUE;
6485 static boolean setup_editor_el_custom                   = TRUE;
6486 static boolean setup_editor_el_user_defined             = TRUE;
6487 static boolean setup_editor_el_dynamic                  = TRUE;
6488
6489 static int editor_hl_unused[] = { EL_EMPTY };
6490 static int *editor_hl_unused_ptr = editor_hl_unused;
6491 static int num_editor_hl_unused = 0;
6492
6493 static struct
6494 {
6495   boolean *setup_value;
6496   boolean *setup_cascade_value;
6497
6498   int **headline_list;
6499   int *headline_list_size;
6500
6501   int **element_list;
6502   int *element_list_size;
6503
6504   boolean last_setup_value;
6505 }
6506 editor_elements_info[] =
6507 {
6508   {
6509     &setup_editor_el_players,
6510     &setup_editor_cascade_never,
6511     &editor_hl_unused_ptr,              &num_editor_hl_unused,
6512     &editor_el_players_ptr,             &num_editor_el_players
6513   },
6514   {
6515     &setup_editor_el_boulderdash,
6516     &setup.editor_cascade.el_bd,
6517     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
6518     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
6519   },
6520   {
6521     &setup_editor_el_boulderdash_native,
6522     &setup.editor_cascade.el_bd_native,
6523     &editor_hl_boulderdash_native_ptr,  &num_editor_hl_boulderdash_native,
6524     &editor_el_boulderdash_native_ptr,  &num_editor_el_boulderdash_native
6525   },
6526   {
6527     &setup_editor_el_boulderdash_effects,
6528     &setup.editor_cascade.el_bd_effects,
6529     &editor_hl_boulderdash_effects_ptr, &num_editor_hl_boulderdash_effects,
6530     &editor_el_boulderdash_effects_ptr, &num_editor_el_boulderdash_effects
6531   },
6532   {
6533     &setup_editor_el_emerald_mine,
6534     &setup.editor_cascade.el_em,
6535     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
6536     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
6537   },
6538   {
6539     &setup_editor_el_emerald_mine_club,
6540     &setup.editor_cascade.el_emc,
6541     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
6542     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
6543   },
6544   {
6545     &setup_editor_el_more,
6546     &setup.editor_cascade.el_rnd,
6547     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
6548     &editor_el_rnd_ptr,                 &num_editor_el_rnd
6549   },
6550   {
6551     &setup_editor_el_sokoban,
6552     &setup.editor_cascade.el_sb,
6553     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
6554     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
6555   },
6556   {
6557     &setup_editor_el_supaplex,
6558     &setup.editor_cascade.el_sp,
6559     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
6560     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
6561   },
6562   {
6563     &setup_editor_el_diamond_caves,
6564     &setup.editor_cascade.el_dc,
6565     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
6566     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
6567   },
6568   {
6569     &setup_editor_el_dx_boulderdash,
6570     &setup.editor_cascade.el_dx,
6571     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
6572     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
6573   },
6574   {
6575     &setup_editor_el_mirror_magic,
6576     &setup.editor_cascade.el_mm,
6577     &editor_hl_mirror_magic_ptr,        &num_editor_hl_mirror_magic,
6578     &editor_el_mirror_magic_ptr,        &num_editor_el_mirror_magic
6579   },
6580   {
6581     &setup_editor_el_deflektor,
6582     &setup.editor_cascade.el_df,
6583     &editor_hl_deflektor_ptr,           &num_editor_hl_deflektor,
6584     &editor_el_deflektor_ptr,           &num_editor_el_deflektor
6585   },
6586   {
6587     &setup_editor_el_chars,
6588     &setup.editor_cascade.el_chars,
6589     &editor_hl_chars_ptr,               &num_editor_hl_chars,
6590     &editor_el_chars_ptr,               &num_editor_el_chars
6591   },
6592   {
6593     &setup_editor_el_steel_chars,
6594     &setup.editor_cascade.el_steel_chars,
6595     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
6596     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
6597   },
6598   {
6599     &setup_editor_el_custom,
6600     &setup.editor_cascade.el_ce,
6601     &editor_hl_custom_ptr,              &num_editor_hl_custom,
6602     &editor_el_custom_ptr,              &num_editor_el_custom
6603   },
6604   {
6605     &setup_editor_el_custom,
6606     &setup.editor_cascade.el_ge,
6607     &editor_hl_group_ptr,               &num_editor_hl_group,
6608     &editor_el_group_ptr,               &num_editor_el_group
6609   },
6610   {
6611     &setup_editor_el_custom,
6612     &setup.editor_cascade.el_es,
6613     &editor_hl_empty_space_ptr,         &num_editor_hl_empty_space,
6614     &editor_el_empty_space_ptr,         &num_editor_el_empty_space
6615   },
6616   {
6617     &setup_editor_el_custom,
6618     &setup.editor_cascade.el_ref,
6619     &editor_hl_reference_ptr,           &num_editor_hl_reference,
6620     &editor_el_reference_ptr,           &num_editor_el_reference
6621   },
6622   {
6623     &setup_editor_el_user_defined,
6624     &setup.editor_cascade.el_user,
6625     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
6626     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
6627   },
6628   {
6629     &setup_editor_el_dynamic,
6630     &setup.editor_cascade.el_dynamic,
6631     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
6632     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
6633   },
6634   {
6635     &use_el_empty,
6636     &use_el_empty,
6637     &editor_hl_empty_ptr,               &num_editor_hl_empty,
6638     &editor_el_empty_ptr,               &num_editor_el_empty,
6639   },
6640   {
6641     NULL,
6642     NULL,
6643     NULL,                               NULL,
6644     NULL,                               NULL
6645   }
6646 };
6647
6648 static struct XY xy_directions[] =
6649 {
6650   { -1,  0 },
6651   { +1,  0 },
6652   {  0, -1 },
6653   {  0, +1 }
6654 };
6655
6656
6657 // ----------------------------------------------------------------------------
6658 // functions
6659 // ----------------------------------------------------------------------------
6660
6661 static int getMaxInfoTextLength(void)
6662 {
6663   return (SXSIZE / getFontWidth(INFOTEXT_FONT));
6664 }
6665
6666 static int getTextWidthForGadget(char *text)
6667 {
6668   if (text == NULL)
6669     return 0;
6670
6671   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
6672 }
6673
6674 static int getTextWidthForDrawingArea(char *text)
6675 {
6676   if (text == NULL)
6677     return 0;
6678
6679   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_BORDER_SIZE);
6680 }
6681
6682 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
6683 {
6684   return (gi->x + gi->width + getTextWidthForGadget(text));
6685 }
6686
6687 static char *getElementInfoText(int element)
6688 {
6689   char *info_text = NULL;
6690
6691   if (element < MAX_NUM_ELEMENTS)
6692   {
6693     if (strlen(element_info[element].description) > 0)
6694       info_text = element_info[element].description;
6695     else if (element_info[element].custom_description != NULL)
6696       info_text = element_info[element].custom_description;
6697     else if (element_info[element].editor_description != NULL)
6698       info_text = element_info[element].editor_description;
6699   }
6700
6701   if (info_text == NULL)
6702     info_text = INFOTEXT_UNKNOWN_ELEMENT;
6703
6704   return info_text;
6705 }
6706
6707 static char *getElementDescriptionFilenameExt(char *basename)
6708 {
6709   char *elements_subdir = ELEMENTS_DIRECTORY;
6710   static char *elements_subdir2 = NULL;
6711   static char *filename = NULL;
6712
6713   if (elements_subdir2 == NULL)
6714     elements_subdir2 = getPath2(DOCS_DIRECTORY, elements_subdir);
6715
6716   checked_free(filename);
6717
6718   // 1st try: look for element description in current level set directory
6719   filename = getPath3(getCurrentLevelDir(), elements_subdir2, basename);
6720   if (fileExists(filename))
6721     return filename;
6722
6723   free(filename);
6724
6725   // 2nd try: look for element description in the game's base directory
6726   filename = getPath3(options.docs_directory, elements_subdir, basename);
6727   if (fileExists(filename))
6728     return filename;
6729
6730   return NULL;
6731 }
6732
6733 static char *getElementDescriptionFilename(int element)
6734 {
6735   char basename[MAX_FILENAME_LEN];
6736   char *filename;
6737
6738   // 1st try: look for element description file for exactly this element
6739   sprintf(basename, "%s.txt", element_info[element].token_name);
6740   filename = getElementDescriptionFilenameExt(basename);
6741   if (filename != NULL)
6742     return filename;
6743
6744   // 2nd try: look for element description file for this element's class
6745   sprintf(basename, "%s.txt", element_info[element].class_name);
6746   filename = getElementDescriptionFilenameExt(basename);
6747   if (filename != NULL)
6748     return filename;
6749
6750   // 3rd try: look for generic fallback text file for any element
6751   filename = getElementDescriptionFilenameExt(FALLBACK_TEXT_FILENAME);
6752   if (filename != NULL)
6753     return filename;
6754
6755   return NULL;
6756 }
6757
6758 static boolean suppressBorderElement(void)
6759 {
6760   return (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
6761           lev_fieldx <= MAX_ED_FIELDX &&
6762           lev_fieldy <= MAX_ED_FIELDY);
6763 }
6764
6765 static void InitDynamicEditorElementList(int **elements, int *num_elements)
6766 {
6767   boolean element_found[NUM_FILE_ELEMENTS];
6768   int i, x, y;
6769
6770   // initialize list of used elements to "not used"
6771   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6772     element_found[i] = FALSE;
6773
6774   // find all elements used in current level
6775   for (y = 0; y < lev_fieldy; y++)
6776   {
6777     for (x = 0; x < lev_fieldx; x++)
6778     {
6779       if (Tile[x][y] >= NUM_FILE_ELEMENTS)      // should never happen
6780         continue;
6781
6782       if (IS_MM_WALL(Tile[x][y]))
6783         element_found[map_mm_wall_element(Tile[x][y])] = TRUE;
6784       else
6785         element_found[Tile[x][y]] = TRUE;
6786     }
6787   }
6788
6789   *num_elements = 0;
6790
6791   // count number of elements used in current level
6792   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6793     if (element_found[i])
6794       (*num_elements)++;
6795
6796   // add space for up to 3 more elements for padding that may be needed
6797   *num_elements += 3;
6798
6799   // free memory for old list of elements, if needed
6800   checked_free(*elements);
6801
6802   // allocate memory for new list of elements
6803   *elements = checked_malloc(*num_elements * sizeof(int));
6804
6805   *num_elements = 0;
6806
6807   // add all elements used in current level (non-custom/group/empty elements)
6808   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6809     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) ||
6810                               IS_GROUP_ELEMENT(i) ||
6811                               IS_EMPTY_ELEMENT(i)))
6812       (*elements)[(*num_elements)++] = i;
6813
6814   // add all elements used in current level (custom/group/empty elements)
6815   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6816     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) ||
6817                              IS_GROUP_ELEMENT(i) ||
6818                              IS_EMPTY_ELEMENT(i)))
6819       (*elements)[(*num_elements)++] = i;
6820
6821   while (*num_elements % 4)     // pad with empty elements, if needed
6822     (*elements)[(*num_elements)++] = EL_EMPTY;
6823 }
6824
6825 static void ReinitializeElementList_EnableSections(void)
6826 {
6827   // default: enable all element sections
6828
6829   setup_editor_el_players               = TRUE;
6830   setup_editor_el_boulderdash           = TRUE;
6831   setup_editor_el_boulderdash_native    = TRUE;
6832   setup_editor_el_boulderdash_effects   = TRUE;
6833   setup_editor_el_emerald_mine          = TRUE;
6834   setup_editor_el_emerald_mine_club     = TRUE;
6835   setup_editor_el_more                  = TRUE;
6836   setup_editor_el_sokoban               = TRUE;
6837   setup_editor_el_supaplex              = TRUE;
6838   setup_editor_el_diamond_caves         = TRUE;
6839   setup_editor_el_dx_boulderdash        = TRUE;
6840   setup_editor_el_mirror_magic          = TRUE;
6841   setup_editor_el_deflektor             = TRUE;
6842   setup_editor_el_chars                 = TRUE;
6843   setup_editor_el_steel_chars           = TRUE;
6844
6845   setup_editor_el_custom                = TRUE;
6846   setup_editor_el_user_defined          = TRUE;
6847   setup_editor_el_dynamic               = TRUE;
6848
6849   // now disable all element sections not to be displayed
6850
6851   if (!setup.editor.el_classic)
6852   {
6853     setup_editor_el_players             = FALSE;
6854     setup_editor_el_boulderdash         = FALSE;
6855     setup_editor_el_boulderdash_native  = FALSE;
6856     setup_editor_el_boulderdash_effects = FALSE;
6857     setup_editor_el_emerald_mine        = FALSE;
6858     setup_editor_el_emerald_mine_club   = FALSE;
6859     setup_editor_el_more                = FALSE;
6860     setup_editor_el_sokoban             = FALSE;
6861     setup_editor_el_supaplex            = FALSE;
6862     setup_editor_el_diamond_caves       = FALSE;
6863     setup_editor_el_dx_boulderdash      = FALSE;
6864     setup_editor_el_mirror_magic        = FALSE;
6865     setup_editor_el_deflektor           = FALSE;
6866     setup_editor_el_chars               = FALSE;
6867     setup_editor_el_steel_chars         = FALSE;
6868   }
6869
6870   if (!setup.editor.el_custom)
6871   {
6872     setup_editor_el_custom              = FALSE;
6873   }
6874
6875   if (!setup.editor.el_user_defined)
6876   {
6877     setup_editor_el_user_defined        = FALSE;
6878   }
6879
6880   if (!setup.editor.el_dynamic)
6881   {
6882     setup_editor_el_dynamic             = FALSE;
6883   }
6884
6885   if (level.game_engine_type == GAME_ENGINE_TYPE_RND)
6886   {
6887     setup_editor_el_boulderdash_native  = FALSE;
6888     setup_editor_el_boulderdash_effects = FALSE;
6889     setup_editor_el_mirror_magic        = FALSE;
6890     setup_editor_el_deflektor           = FALSE;
6891   }
6892   else if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
6893   {
6894     setup_editor_el_players             = FALSE;
6895     setup_editor_el_boulderdash         = FALSE;
6896     setup_editor_el_emerald_mine        = FALSE;
6897     setup_editor_el_emerald_mine_club   = FALSE;
6898     setup_editor_el_more                = FALSE;
6899     setup_editor_el_sokoban             = FALSE;
6900     setup_editor_el_supaplex            = FALSE;
6901     setup_editor_el_diamond_caves       = FALSE;
6902     setup_editor_el_dx_boulderdash      = FALSE;
6903     setup_editor_el_mirror_magic        = FALSE;
6904     setup_editor_el_deflektor           = FALSE;
6905     setup_editor_el_chars               = FALSE;
6906     setup_editor_el_steel_chars         = FALSE;
6907
6908     setup_editor_el_custom              = FALSE;
6909   }
6910   else if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
6911   {
6912     setup_editor_el_boulderdash         = FALSE;
6913     setup_editor_el_boulderdash_native  = FALSE;
6914     setup_editor_el_boulderdash_effects = FALSE;
6915     setup_editor_el_more                = FALSE;
6916     setup_editor_el_sokoban             = FALSE;
6917     setup_editor_el_supaplex            = FALSE;
6918     setup_editor_el_diamond_caves       = FALSE;
6919     setup_editor_el_dx_boulderdash      = FALSE;
6920     setup_editor_el_mirror_magic        = FALSE;
6921     setup_editor_el_deflektor           = FALSE;
6922     setup_editor_el_steel_chars         = FALSE;
6923
6924     setup_editor_el_custom              = FALSE;
6925   }
6926   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
6927   {
6928     setup_editor_el_players             = FALSE;
6929     setup_editor_el_boulderdash         = FALSE;
6930     setup_editor_el_boulderdash_native  = FALSE;
6931     setup_editor_el_boulderdash_effects = FALSE;
6932     setup_editor_el_emerald_mine        = FALSE;
6933     setup_editor_el_emerald_mine_club   = FALSE;
6934     setup_editor_el_more                = FALSE;
6935     setup_editor_el_sokoban             = FALSE;
6936     setup_editor_el_diamond_caves       = FALSE;
6937     setup_editor_el_dx_boulderdash      = FALSE;
6938     setup_editor_el_mirror_magic        = FALSE;
6939     setup_editor_el_deflektor           = FALSE;
6940     setup_editor_el_chars               = FALSE;
6941     setup_editor_el_steel_chars         = FALSE;
6942
6943     setup_editor_el_custom              = FALSE;
6944   }
6945   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
6946   {
6947     setup_editor_el_players             = FALSE;
6948     setup_editor_el_boulderdash         = FALSE;
6949     setup_editor_el_boulderdash_native  = FALSE;
6950     setup_editor_el_boulderdash_effects = FALSE;
6951     setup_editor_el_emerald_mine        = FALSE;
6952     setup_editor_el_emerald_mine_club   = FALSE;
6953     setup_editor_el_more                = FALSE;
6954     setup_editor_el_sokoban             = FALSE;
6955     setup_editor_el_supaplex            = FALSE;
6956     setup_editor_el_diamond_caves       = FALSE;
6957     setup_editor_el_dx_boulderdash      = FALSE;
6958     setup_editor_el_steel_chars         = FALSE;
6959
6960     setup_editor_el_custom              = FALSE;
6961   }
6962 }
6963
6964 static void ReinitializeElementList(void)
6965 {
6966   static boolean initialization_needed = TRUE;
6967   int pos = 0;
6968   int i, j;
6969
6970   ReinitializeElementList_EnableSections();
6971
6972   if (initialization_needed)
6973   {
6974     LoadSetup_EditorCascade();          // load last editor cascade state
6975
6976     // initialize editor cascade element from saved cascade state
6977     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6978     {
6979       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
6980       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
6981
6982       if (IS_EDITOR_CASCADE(*cascade_element))
6983         *cascade_element =
6984           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
6985            EL_CASCADE_INACTIVE(*cascade_element));
6986     }
6987
6988     initialization_needed = FALSE;
6989   }
6990
6991   checked_free(editor_elements);
6992
6993   // reload optional user defined element list for each invocation of editor
6994   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
6995                                    &num_editor_el_user_defined);
6996
6997   // initialize dynamic level element list for each invocation of editor
6998   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
6999                                &num_editor_el_dynamic);
7000
7001   // initialize list of empty elements (used for padding, if needed)
7002   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7003     editor_el_empty[i] = EL_EMPTY;
7004
7005   // do some sanity checks for each element from element list
7006   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7007   {
7008     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
7009     {
7010       int element = (*editor_elements_info[i].element_list)[j];
7011
7012       if (element >= NUM_FILE_ELEMENTS)
7013         Warn("editor element %d is runtime element", element);
7014
7015       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
7016         Warn("no element description text for element %d", element);
7017     }
7018   }
7019
7020   num_editor_elements = 0;
7021   use_el_empty = FALSE;
7022
7023   // determine size of element list
7024   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7025   {
7026     if (*editor_elements_info[i].setup_value)
7027     {
7028       boolean found_inactive_cascade = FALSE;
7029
7030       if (setup.editor.el_headlines)
7031       {
7032         // required for correct padding of palette headline buttons
7033         if (*editor_elements_info[i].headline_list_size > 0)
7034           num_editor_elements += ED_ELEMENTLIST_COLS;
7035
7036         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
7037         {
7038           int element = (*editor_elements_info[i].headline_list)[j];
7039
7040           if (IS_EDITOR_CASCADE_INACTIVE(element))
7041             found_inactive_cascade = TRUE;
7042         }
7043       }
7044
7045       if (found_inactive_cascade)
7046         continue;
7047
7048       // required for correct padding of palette element buttons
7049       int element_list_size = *editor_elements_info[i].element_list_size;
7050       int element_rows =
7051         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
7052       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
7053
7054       num_editor_elements += element_buttons;
7055     }
7056   }
7057
7058   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
7059   {
7060     // offer at least as many elements as element buttons exist
7061     use_el_empty = TRUE;
7062     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
7063
7064     num_editor_elements += num_editor_el_empty;
7065   }
7066   else
7067   {
7068     num_editor_el_empty = 0;
7069   }
7070
7071   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
7072
7073   // fill element list
7074   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7075   {
7076     boolean found_inactive_cascade = FALSE;
7077
7078     if (*editor_elements_info[i].setup_value)
7079     {
7080       if (setup.editor.el_headlines)
7081       {
7082         // required for correct padding of palette headline buttons
7083         int headline_size = (*editor_elements_info[i].headline_list_size > 0 ?
7084                              ED_ELEMENTLIST_COLS : 0);
7085
7086         for (j = 0; j < headline_size; j++)
7087         {
7088           // use empty elements for padding of palette headline buttons
7089           int element = (j < *editor_elements_info[i].headline_list_size ?
7090                          (*editor_elements_info[i].headline_list)[j] :
7091                          editor_el_empty[0]);
7092
7093           editor_elements[pos++] = element;
7094
7095           if (IS_EDITOR_CASCADE_INACTIVE(element))
7096             found_inactive_cascade = TRUE;
7097         }
7098       }
7099
7100       if (found_inactive_cascade)
7101         continue;
7102
7103       // required for correct padding of palette element buttons
7104       int element_list_size = *editor_elements_info[i].element_list_size;
7105       int element_rows =
7106         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
7107       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
7108
7109       // copy all elements from element list
7110       for (j = 0; j < element_list_size; j++)
7111         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
7112
7113       // use empty elements for padding of palette element buttons
7114       for (j = 0; j < element_buttons - element_list_size; j++)
7115         editor_elements[pos++] = editor_el_empty[0];
7116     }
7117   }
7118
7119   // (this function is also called before editor gadgets are initialized!)
7120   AdjustElementListScrollbar();
7121 }
7122
7123 void PrintEditorElementList(void)
7124 {
7125   boolean *stop = &setup_editor_el_user_defined;
7126   int i, j;
7127
7128   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
7129   {
7130     int cascade_element = (*editor_elements_info[i].headline_list)[0];
7131
7132     if (IS_EDITOR_CASCADE(cascade_element))
7133     {
7134       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
7135       char *headline = element_info[cascade_element_show].editor_description;
7136
7137       PrintLineWithPrefix("# ", "-", 77);
7138       Print("# %s\n", headline);
7139       PrintLineWithPrefix("# ", "-", 77);
7140     }
7141
7142     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
7143     {
7144       int element = (*editor_elements_info[i].headline_list)[j];
7145
7146       if (IS_EDITOR_CASCADE(element))
7147         element = EL_CHAR_MINUS;
7148
7149       Print("# %s\n", element_info[element].token_name);
7150     }
7151
7152     if (j > 0)
7153       Print("#\n");
7154
7155     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
7156     {
7157       int element = (*editor_elements_info[i].element_list)[j];
7158
7159       Print("# %s\n", element_info[element].token_name);
7160     }
7161
7162     if (j > 0)
7163       Print("#\n");
7164   }
7165 }
7166
7167 static void ReinitializeElementListButtons(void)
7168 {
7169   static boolean last_setup_value_headlines = FALSE;
7170   static boolean initialization_needed = TRUE;
7171   int i;
7172
7173   if (!initialization_needed)   // check if editor element setup has changed
7174   {
7175     if (last_setup_value_headlines != setup.editor.el_headlines)
7176       initialization_needed = TRUE;
7177
7178     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7179       if (editor_elements_info[i].last_setup_value !=
7180           *editor_elements_info[i].setup_value)
7181         initialization_needed = TRUE;
7182   }
7183
7184   if (!initialization_needed)
7185     return;
7186
7187   FreeLevelEditorGadgets();
7188   CreateLevelEditorGadgets();
7189
7190   // store current setup values for next invocation of this function
7191   last_setup_value_headlines = setup.editor.el_headlines;
7192   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7193     editor_elements_info[i].last_setup_value =
7194       *editor_elements_info[i].setup_value;
7195
7196   initialization_needed = FALSE;
7197 }
7198
7199 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
7200                               boolean input)
7201 {
7202   int border_graphic =
7203     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
7204   struct GraphicInfo *g = &graphic_info[border_graphic];
7205   Bitmap *src_bitmap = g->bitmap;
7206   int src_x = g->src_x;
7207   int src_y = g->src_y;
7208   int border_size = g->border_size;
7209   int border_xpos = g->width  - border_size;
7210   int border_ypos = g->height - border_size;
7211   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
7212   int i;
7213
7214   BlitBitmap(src_bitmap, drawto, src_x, src_y,
7215              border_size, border_size,
7216              dest_x - border_size, dest_y - border_size);
7217   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y,
7218              border_size, border_size,
7219              dest_x + width, dest_y - border_size);
7220   BlitBitmap(src_bitmap, drawto, src_x, src_y + border_ypos,
7221              border_size, border_size,
7222              dest_x - border_size, dest_y + height);
7223   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_ypos,
7224              border_size, border_size,
7225              dest_x + width, dest_y + height);
7226
7227   for (i = 0; i < width / tilesize; i++)
7228   {
7229     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y,
7230                tilesize, border_size,
7231                dest_x + i * tilesize, dest_y - border_size);
7232     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y + border_ypos,
7233                tilesize, border_size,
7234                dest_x + i * tilesize, dest_y + height);
7235   }
7236
7237   for (i = 0; i < height / tilesize; i++)
7238   {
7239     BlitBitmap(src_bitmap, drawto, src_x, src_y + border_size,
7240                border_size, tilesize,
7241                dest_x - border_size, dest_y + i * tilesize);
7242     BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_size,
7243                border_size, tilesize,
7244                dest_x + width, dest_y + i * tilesize);
7245   }
7246
7247   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
7248 }
7249
7250 static void DrawEditorLevelBorderLine(int x, int y, int xsize, int ysize)
7251 {
7252   int xsize_tile = MAX(ed_tilesize, xsize);
7253   int ysize_tile = MAX(ed_tilesize, ysize);
7254   int xsize_full = xsize + 1;
7255   int ysize_full = ysize + 1;
7256   int xsize_thin = (xsize < ed_tilesize ? 1 : xsize);
7257   int ysize_thin = (ysize < ed_tilesize ? 1 : ysize);
7258   Pixel line_color = getTabulatorBarColor();
7259
7260   if (line_color == BLACK_PIXEL)                // black => transparent
7261     return;
7262
7263   FillRectangle(drawto, SX + x, SY + y, xsize_tile, ysize_tile, BLACK_PIXEL);
7264   FillRectangle(drawto, SX + x, SY + y, xsize_full, ysize_full, line_color);
7265   FillRectangle(drawto, SX + x, SY + y, xsize_thin, ysize_thin, BLACK_PIXEL);
7266 }
7267
7268 static void DrawEditorLevelBorderLinesIfNeeded(void)
7269 {
7270   int xsize = lev_fieldx * ed_tilesize;
7271   int ysize = lev_fieldy * ed_tilesize;
7272   int line_size = getTabulatorBarHeight();
7273
7274   if (!suppressBorderElement())
7275     return;
7276
7277   // draw little border line around editable level playfield
7278
7279   if (xsize < SXSIZE)
7280     DrawEditorLevelBorderLine(xsize, 0, line_size, ysize);
7281
7282   if (ysize < SYSIZE)
7283     DrawEditorLevelBorderLine(0, ysize, xsize, line_size);
7284
7285   if (xsize < SXSIZE && ysize < SYSIZE)
7286     DrawEditorLevelBorderLine(xsize, ysize, line_size, line_size);
7287 }
7288
7289 static void DrawEditorElement(int x, int y, int element)
7290 {
7291   DrawSizedElement(x, y, element, ed_tilesize);
7292 }
7293
7294 static void DrawEditorElementThruMask(int x, int y, int element)
7295 {
7296   DrawSizedElementThruMask(x, y, element, ed_tilesize);
7297 }
7298
7299 static void DrawEditorElementOrWall(int x, int y, int scroll_x, int scroll_y)
7300 {
7301   DrawSizedElementOrWall(x, y, scroll_x, scroll_y, ed_tilesize);
7302 }
7303
7304 static void DrawEditorLevel(int size_x, int size_y, int scroll_x, int scroll_y)
7305 {
7306   DrawSizedLevel(size_x, size_y, scroll_x, scroll_y, ed_tilesize);
7307   DrawEditorLevelBorderLinesIfNeeded();
7308 }
7309
7310 static void DrawDrawingArea(int id)
7311 {
7312   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7313   int x, y;
7314
7315   int *value = drawingarea_info[id].value;
7316   int area_xsize = drawingarea_info[id].area_xsize;
7317   int area_ysize = drawingarea_info[id].area_ysize;
7318   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
7319
7320   for (x = 0; x < area_xsize; x++)
7321     for (y = 0; y < area_ysize; y++)
7322       DrawSizedGraphicExt(drawto,
7323                           gi->x + x * tilesize,
7324                           gi->y + y * tilesize,
7325                           el2edimg(value[x * area_ysize + y]), 0, tilesize);
7326 }
7327
7328 static void ScrollEditorLevel(int from_x, int from_y, int scroll)
7329 {
7330   int x, y;
7331   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
7332   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
7333
7334   BlitBitmap(drawto, drawto,
7335              SX + (dx == -1 ? ed_tilesize : 0),
7336              SY + (dy == -1 ? ed_tilesize : 0),
7337              (ed_fieldx * ed_tilesize) - (dx != 0 ? ed_tilesize : 0),
7338              (ed_fieldy * ed_tilesize) - (dy != 0 ? ed_tilesize : 0),
7339              SX + (dx == +1 ? ed_tilesize : 0),
7340              SY + (dy == +1 ? ed_tilesize : 0));
7341
7342   if (dx)
7343   {
7344     x = (dx == 1 ? 0 : ed_fieldx - 1);
7345     for (y = 0; y < ed_fieldy; y++)
7346       DrawEditorElementOrWall(x, y, from_x, from_y);
7347   }
7348   else if (dy)
7349   {
7350     y = (dy == 1 ? 0 : ed_fieldy - 1);
7351     for (x = 0; x < ed_fieldx; x++)
7352       DrawEditorElementOrWall(x, y, from_x, from_y);
7353   }
7354
7355   redraw_mask |= REDRAW_FIELD;
7356   BackToFront();
7357 }
7358
7359 static void getEditorGraphicSource(int element, int tile_size, Bitmap **bitmap,
7360                                    int *x, int *y)
7361 {
7362   int graphic = el2edimg(element);
7363   int frame = 0;
7364
7365   if (graphic == IMG_UNKNOWN)
7366   {
7367     // no graphic defined -- if BD style, try to get runtime ("effect") element graphics
7368     // (normal BD style elements have graphics, but runtime ("effects") elements do not)
7369     int element_bd = map_element_RND_to_BD_cave(element);
7370
7371     if (element_bd != O_UNKNOWN)
7372     {
7373       struct GraphicInfo_BD *g_bd = &graphic_info_bd_object[element_bd][0];
7374
7375       graphic = g_bd->graphic;
7376       frame   = g_bd->frame;
7377     }
7378   }
7379
7380   getSizedGraphicSource(graphic, frame, tile_size, bitmap, x, y);
7381 }
7382
7383 static void CreateControlButtons(void)
7384 {
7385   struct GadgetInfo *gi;
7386   int i;
7387
7388   // create toolbox buttons
7389   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
7390   {
7391     int type_id = controlbutton_info[i].gadget_id;      // same as gadget ID here
7392     int id = controlbutton_info[i].gadget_id;
7393     int type = controlbutton_info[i].gadget_type;
7394     int graphic = controlbutton_info[i].graphic;
7395     struct XYTileSize *pos = controlbutton_info[i].pos;
7396     struct GraphicInfo *gd = &graphic_info[graphic];
7397     Bitmap *deco_bitmap = NULL;
7398     int deco_x = 0, deco_y = 0, deco_xpos = 0, deco_ypos = 0;
7399     int tile_size = 0, deco_shift = 0;
7400     boolean deco_masked = FALSE;
7401     int gd_x1 = gd->src_x;
7402     int gd_y1 = gd->src_y;
7403     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7404     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7405     int gd_x1a = gd->src_x + gd->active_xoffset;
7406     int gd_y1a = gd->src_y + gd->active_yoffset;
7407     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
7408     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
7409     int x = pos->x;
7410     int y = pos->y;
7411     unsigned int event_mask;
7412     int radio_button_nr = RADIO_NR_NONE;
7413     boolean checked = FALSE;
7414
7415     if (type_id != i)
7416       Fail("'controlbutton_info' structure corrupted at index %d -- please fix", i);
7417
7418     if (type == GD_TYPE_RADIO_BUTTON)
7419     {
7420       event_mask = GD_EVENT_PRESSED;
7421       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
7422
7423       if (id == drawing_function)
7424         checked = TRUE;
7425     }
7426     else
7427     {
7428       if (id == GADGET_ID_WRAP_LEFT ||
7429           id == GADGET_ID_WRAP_RIGHT ||
7430           id == GADGET_ID_WRAP_UP ||
7431           id == GADGET_ID_WRAP_DOWN)
7432         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
7433       else
7434         event_mask = GD_EVENT_RELEASED;
7435     }
7436
7437     if (id == GADGET_ID_PROPERTIES ||
7438         id == GADGET_ID_PALETTE)
7439     {
7440       x += DX;
7441       y += DY;
7442     }
7443     else if (id == GADGET_ID_ELEMENT_LEFT ||
7444              id == GADGET_ID_ELEMENT_MIDDLE ||
7445              id == GADGET_ID_ELEMENT_RIGHT)
7446     {
7447       x += DX;
7448       y += DY;
7449
7450       int element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
7451                      id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
7452                      id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 : EL_EMPTY);
7453
7454       tile_size = BUTTON_TILE_SIZE(id == GADGET_ID_ELEMENT_LEFT ?
7455                                    editor.button.element_left.tile_size :
7456                                    id == GADGET_ID_ELEMENT_MIDDLE ?
7457                                    editor.button.element_middle.tile_size :
7458                                    id == GADGET_ID_ELEMENT_RIGHT ?
7459                                    editor.button.element_right.tile_size : 0);
7460
7461       // make sure that decoration does not overlap gadget border
7462       tile_size = MIN(tile_size, MIN(gd->width, gd->height));
7463
7464       getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x,&deco_y);
7465
7466       deco_xpos = (gd->width  - tile_size) / 2;
7467       deco_ypos = (gd->height - tile_size) / 2;
7468       deco_shift = 1;
7469       deco_masked = gd->draw_masked;
7470     }
7471     else
7472     {
7473       x += EX;
7474       y += EY;
7475     }
7476
7477     gi = CreateGadget(GDI_CUSTOM_ID, id,
7478                       GDI_CUSTOM_TYPE_ID, type_id,
7479                       GDI_IMAGE_ID, graphic,
7480                       GDI_INFO_TEXT, controlbutton_info[i].infotext,
7481                       GDI_X, x,
7482                       GDI_Y, y,
7483                       GDI_WIDTH, gd->width,
7484                       GDI_HEIGHT, gd->height,
7485                       GDI_TYPE, type,
7486                       GDI_STATE, GD_BUTTON_UNPRESSED,
7487                       GDI_RADIO_NR, radio_button_nr,
7488                       GDI_CHECKED, checked,
7489                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7490                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7491                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7492                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
7493                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
7494                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
7495                       GDI_DECORATION_SIZE, tile_size, tile_size,
7496                       GDI_DECORATION_SHIFTING, deco_shift, deco_shift,
7497                       GDI_DECORATION_MASKED, deco_masked,
7498                       GDI_EVENT_MASK, event_mask,
7499                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7500                       GDI_CALLBACK_ACTION, HandleControlButtons,
7501                       GDI_END);
7502
7503     if (gi == NULL)
7504       Fail("cannot create gadget");
7505
7506     level_editor_gadget[id] = gi;
7507   }
7508
7509   // these values are not constant, but can change at runtime
7510   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
7511   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
7512   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
7513   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
7514   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
7515   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
7516   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
7517   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
7518   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].x    = ED_SCROLL2_UP_XPOS;
7519   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].y    = ED_SCROLL2_UP_YPOS;
7520   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].x  = ED_SCROLL2_DOWN_XPOS;
7521   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].y  = ED_SCROLL2_DOWN_YPOS;
7522
7523   // create buttons for scrolling of drawing area and element list
7524   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
7525   {
7526     int id = scrollbutton_info[i].gadget_id;
7527     int type_id = scrollbutton_info[i].gadget_type_id;
7528     int graphic = scrollbutton_info[i].graphic;
7529     struct GraphicInfo *gd = &graphic_info[graphic];
7530     Bitmap *gd_bitmap = gd->bitmap;
7531     int gd_x1 = gd->src_x;
7532     int gd_y1 = gd->src_y;
7533     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7534     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7535     int width  = gd->width;
7536     int height = gd->height;
7537     int x = scrollbutton_pos[i].x;
7538     int y = scrollbutton_pos[i].y;
7539     unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
7540
7541     if (type_id != i)
7542       Fail("'scrollbutton_info' structure corrupted at index %d -- please fix", i);
7543
7544     if (id == GADGET_ID_SCROLL_LIST_UP ||
7545         id == GADGET_ID_SCROLL_LIST_DOWN)
7546     {
7547       x += PX;
7548       y += PY;
7549     }
7550     else
7551     {
7552       x += SX;
7553       y += SY;
7554     }
7555
7556     gi = CreateGadget(GDI_CUSTOM_ID, id,
7557                       GDI_CUSTOM_TYPE_ID, type_id,
7558                       GDI_IMAGE_ID, graphic,
7559                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
7560                       GDI_X, x,
7561                       GDI_Y, y,
7562                       GDI_WIDTH, width,
7563                       GDI_HEIGHT, height,
7564                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7565                       GDI_STATE, GD_BUTTON_UNPRESSED,
7566                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
7567                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
7568                       GDI_EVENT_MASK, event_mask,
7569                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7570                       GDI_CALLBACK_ACTION, HandleControlButtons,
7571                       GDI_END);
7572
7573     if (gi == NULL)
7574       Fail("cannot create gadget");
7575
7576     level_editor_gadget[id] = gi;
7577   }
7578
7579   // create buttons for element list
7580   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7581   {
7582     int type_id = i;
7583     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
7584     int graphic = IMG_EDITOR_PALETTE_BUTTON;
7585     struct GraphicInfo *gd = &graphic_info[graphic];
7586     Bitmap *gd_bitmap = gd->bitmap;
7587     Bitmap *deco_bitmap;
7588     int deco_x, deco_y, deco_xpos, deco_ypos;
7589     int gd_x1 = gd->src_x;
7590     int gd_y1 = gd->src_y;
7591     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7592     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7593     int xx = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
7594     int yy = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
7595     int x = PX + ED_ELEMENTLIST_XPOS + xx * gd->width;
7596     int y = PY + ED_ELEMENTLIST_YPOS + yy * gd->height;
7597     int element = editor_elements[i];
7598     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
7599     unsigned int event_mask = GD_EVENT_RELEASED;
7600
7601     getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
7602
7603     deco_xpos = (gd->width  - tile_size) / 2;
7604     deco_ypos = (gd->height - tile_size) / 2;
7605
7606     gi = CreateGadget(GDI_CUSTOM_ID, id,
7607                       GDI_CUSTOM_TYPE_ID, type_id,
7608                       GDI_IMAGE_ID, graphic,
7609                       GDI_INFO_TEXT, getElementInfoText(element),
7610                       GDI_X, x,
7611                       GDI_Y, y,
7612                       GDI_WIDTH, gd->width,
7613                       GDI_HEIGHT, gd->height,
7614                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7615                       GDI_STATE, GD_BUTTON_UNPRESSED,
7616                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
7617                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
7618                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
7619                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
7620                       GDI_DECORATION_SIZE, tile_size, tile_size,
7621                       GDI_DECORATION_SHIFTING, 1, 1,
7622                       GDI_EVENT_MASK, event_mask,
7623                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7624                       GDI_CALLBACK_ACTION, HandleControlButtons,
7625                       GDI_END);
7626
7627     if (gi == NULL)
7628       Fail("cannot create gadget");
7629
7630     level_editor_gadget[id] = gi;
7631   }
7632 }
7633
7634 static void CreateCounterButtons(void)
7635 {
7636   int max_infotext_len = getMaxInfoTextLength();
7637   int i;
7638
7639   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
7640   {
7641     int type_id = counterbutton_info[i].gadget_type_id;
7642     int x = SX + ED_SETTINGS_X(counterbutton_info[i].x); // down count button
7643     int y = SY + ED_SETTINGS_Y(counterbutton_info[i].y);
7644     int j;
7645
7646     if (type_id != i)
7647       Fail("'counterbutton_info' structure corrupted at index %d -- please fix", i);
7648
7649     // determine horizontal position to the right of specified gadget
7650     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
7651       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
7652            ED_GADGET_TEXT_DISTANCE);
7653
7654     // determine horizontal offset for leading text
7655     if (counterbutton_info[i].text_left != NULL)
7656       x += getTextWidthForGadget(counterbutton_info[i].text_left);
7657
7658     for (j = 0; j < 2; j++)
7659     {
7660       struct GadgetInfo *gi;
7661       int id = (j == 0 ?
7662                 counterbutton_info[i].gadget_id_down :
7663                 counterbutton_info[i].gadget_id_up);
7664       int graphic;
7665       struct GraphicInfo *gd;
7666       int gd_x1, gd_x2, gd_y1, gd_y2;
7667       unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
7668       char infotext[max_infotext_len + 1];
7669
7670       if (i == ED_COUNTER_ID_SELECT_LEVEL)
7671       {
7672         graphic = (j == 0 ?
7673                    IMG_GFX_EDITOR_BUTTON_PREV_LEVEL :
7674                    IMG_GFX_EDITOR_BUTTON_NEXT_LEVEL);
7675
7676         event_mask |= GD_EVENT_RELEASED;
7677
7678         if (j == 0)
7679         {
7680           x = DX + editor.button.prev_level.x;
7681           y = DY + editor.button.prev_level.y;
7682         }
7683         else
7684         {
7685           x = DX + editor.button.next_level.x;
7686           y = DY + editor.button.next_level.y;
7687         }
7688       }
7689       else
7690       {
7691         graphic = (j == 0 ?
7692                    IMG_EDITOR_COUNTER_DOWN :
7693                    IMG_EDITOR_COUNTER_UP);
7694       }
7695
7696       gd = &graphic_info[graphic];
7697
7698       gd_x1 = gd->src_x;
7699       gd_y1 = gd->src_y;
7700       gd_x2 = gd->src_x + gd->pressed_xoffset;
7701       gd_y2 = gd->src_y + gd->pressed_yoffset;
7702
7703       sprintf(infotext, "%s counter value by 1, 5 or 10",
7704               (j == 0 ? "Decrease" : "Increase"));
7705
7706       gi = CreateGadget(GDI_CUSTOM_ID, id,
7707                         GDI_CUSTOM_TYPE_ID, type_id,
7708                         GDI_IMAGE_ID, graphic,
7709                         GDI_INFO_TEXT, infotext,
7710                         GDI_X, x,
7711                         GDI_Y, y,
7712                         GDI_WIDTH, gd->width,
7713                         GDI_HEIGHT, gd->height,
7714                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7715                         GDI_STATE, GD_BUTTON_UNPRESSED,
7716                         GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7717                         GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7718                         GDI_EVENT_MASK, event_mask,
7719                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7720                         GDI_CALLBACK_ACTION, HandleCounterButtons,
7721                         GDI_END);
7722
7723       if (gi == NULL)
7724         Fail("cannot create gadget");
7725
7726       level_editor_gadget[id] = gi;
7727       right_gadget_border[id] =
7728         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
7729
7730       x += gi->width + ED_GADGET_SMALL_DISTANCE;        // text count button
7731
7732       if (j == 0)
7733       {
7734         int font_type = FONT_INPUT_1;
7735         int font_type_active = FONT_INPUT_1_ACTIVE;
7736
7737         id = counterbutton_info[i].gadget_id_text;
7738
7739         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
7740
7741         if (i == ED_COUNTER_ID_SELECT_LEVEL)
7742         {
7743           graphic = IMG_GFX_EDITOR_INPUT_LEVEL_NUMBER;
7744
7745           font_type = FONT_LEVEL_NUMBER;
7746           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
7747
7748           x = DX + editor.input.level_number.x;
7749           y = DY + editor.input.level_number.y;
7750         }
7751         else
7752         {
7753           graphic = IMG_EDITOR_COUNTER_INPUT;
7754         }
7755
7756         gd = &graphic_info[graphic];
7757
7758         gd_x1 = gd->src_x;
7759         gd_y1 = gd->src_y;
7760         gd_x2 = gd->src_x + gd->active_xoffset;
7761         gd_y2 = gd->src_y + gd->active_yoffset;
7762
7763         gi = CreateGadget(GDI_CUSTOM_ID, id,
7764                           GDI_CUSTOM_TYPE_ID, type_id,
7765                           GDI_IMAGE_ID, graphic,
7766                           GDI_INFO_TEXT, "Enter counter value",
7767                           GDI_X, x,
7768                           GDI_Y, y,
7769                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
7770                           GDI_NUMBER_VALUE, 0,
7771                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
7772                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
7773                           GDI_TEXT_SIZE, 3,     // minimal counter text size
7774                           GDI_TEXT_FONT, font_type,
7775                           GDI_TEXT_FONT_ACTIVE, font_type_active,
7776                           GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7777                           GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7778                           GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7779                           GDI_DESIGN_WIDTH, gd->width,
7780                           GDI_EVENT_MASK, event_mask,
7781                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7782                           GDI_CALLBACK_ACTION, HandleCounterButtons,
7783                           GDI_END);
7784
7785         if (gi == NULL)
7786           Fail("cannot create gadget");
7787
7788         level_editor_gadget[id] = gi;
7789         right_gadget_border[id] =
7790           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
7791
7792         x += gi->width + ED_GADGET_SMALL_DISTANCE;      // up count button
7793       }
7794     }
7795   }
7796 }
7797
7798 static void CreateDrawingAreas(void)
7799 {
7800   int i;
7801
7802   // these values are not constant, but can change at runtime
7803   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
7804   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
7805
7806   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
7807   {
7808     struct GadgetInfo *gi;
7809     int id = drawingarea_info[i].gadget_id;
7810     int type_id = drawingarea_info[i].gadget_type_id;
7811     int x = SX + ED_AREA_SETTINGS_X(drawingarea_info[i]);
7812     int y = SY + ED_AREA_SETTINGS_Y(drawingarea_info[i]);
7813     int area_xsize = drawingarea_info[i].area_xsize;
7814     int area_ysize = drawingarea_info[i].area_ysize;
7815     int item_size = (id == GADGET_ID_DRAWING_LEVEL ?
7816                      ed_tilesize : ED_DRAWINGAREA_TILE_SIZE);
7817     unsigned int event_mask =
7818       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
7819       GD_EVENT_OFF_BORDERS | GD_EVENT_PIXEL_PRECISE;
7820
7821     if (type_id != i)
7822       Fail("'drawingarea_info' structure corrupted at index %d -- please fix", i);
7823
7824     // determine horizontal position to the right of specified gadget
7825     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
7826       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
7827            ED_DRAWINGAREA_TEXT_DISTANCE);
7828
7829     // determine horizontal offset for leading text
7830     if (drawingarea_info[i].text_left != NULL)
7831       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
7832
7833     gi = CreateGadget(GDI_CUSTOM_ID, id,
7834                       GDI_CUSTOM_TYPE_ID, type_id,
7835                       GDI_X, x,
7836                       GDI_Y, y,
7837                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
7838                       GDI_AREA_SIZE, area_xsize, area_ysize,
7839                       GDI_ITEM_SIZE, item_size, item_size,
7840                       GDI_EVENT_MASK, event_mask,
7841                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
7842                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
7843                       GDI_END);
7844
7845     if (gi == NULL)
7846       Fail("cannot create gadget");
7847
7848     level_editor_gadget[id] = gi;
7849     right_gadget_border[id] =
7850       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
7851   }
7852 }
7853
7854 static void CreateTextInputGadgets(void)
7855 {
7856   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
7857   int max_infotext_len = getMaxInfoTextLength();
7858   int i;
7859
7860   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
7861   {
7862     int gd_x1 = gd->src_x;
7863     int gd_y1 = gd->src_y;
7864     int gd_x2 = gd->src_x + gd->active_xoffset;
7865     int gd_y2 = gd->src_y + gd->active_yoffset;
7866     struct GadgetInfo *gi;
7867     unsigned int event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
7868     char infotext[MAX_OUTPUT_LINESIZE + 1];
7869     int id = textinput_info[i].gadget_id;
7870     int type_id = textinput_info[i].gadget_type_id;
7871     int x, y;
7872
7873     if (type_id != i)
7874       Fail("'textinput_info' structure corrupted at index %d -- please fix", i);
7875
7876     if (i == ED_TEXTINPUT_ID_ELEMENT_NAME)
7877     {
7878       int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
7879       int border_size = gd->border_size;
7880       int font_nr = FONT_INPUT_1;
7881       int font_height = getFontHeight(font_nr);
7882       int xoffset = element_border + TILEX + element_border + 3 * border_size;
7883       int yoffset = element_border + (TILEY - font_height) / 2;
7884
7885       x = (editor.settings.element_name.x != -1 ?
7886            editor.settings.element_name.x :
7887            editor.settings.element_graphic.x + xoffset) - border_size;
7888       y = (editor.settings.element_name.y != -1 ?
7889            editor.settings.element_name.y :
7890            editor.settings.element_graphic.y + yoffset) - border_size;
7891     }
7892     else
7893     {
7894       x = ED_SETTINGS_X(textinput_info[i].x);
7895       y = ED_SETTINGS_Y(textinput_info[i].y);
7896     }
7897
7898     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
7899     infotext[max_infotext_len] = '\0';
7900
7901     gi = CreateGadget(GDI_CUSTOM_ID, id,
7902                       GDI_CUSTOM_TYPE_ID, type_id,
7903                       GDI_INFO_TEXT, infotext,
7904                       GDI_X, SX + x,
7905                       GDI_Y, SY + y,
7906                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
7907                       GDI_TEXT_VALUE, textinput_info[i].value,
7908                       GDI_TEXT_SIZE, textinput_info[i].size,
7909                       GDI_TEXT_FONT, FONT_INPUT_1,
7910                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
7911                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7912                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7913                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7914                       GDI_DESIGN_WIDTH, gd->width,
7915                       GDI_EVENT_MASK, event_mask,
7916                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7917                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
7918                       GDI_END);
7919
7920     if (gi == NULL)
7921       Fail("cannot create gadget");
7922
7923     level_editor_gadget[id] = gi;
7924   }
7925 }
7926
7927 static void CreateTextAreaGadgets(void)
7928 {
7929   int max_infotext_len = getMaxInfoTextLength();
7930   int i;
7931
7932   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
7933   {
7934     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXTAREA];
7935     int gd_x1 = gd->src_x;
7936     int gd_y1 = gd->src_y;
7937     int gd_x2 = gd->src_x + gd->active_xoffset;
7938     int gd_y2 = gd->src_y + gd->active_yoffset;
7939     struct GadgetInfo *gi;
7940     unsigned int event_mask = GD_EVENT_TEXT_LEAVING;
7941     char infotext[MAX_OUTPUT_LINESIZE + 1];
7942     int id = textarea_info[i].gadget_id;
7943     int type_id = textarea_info[i].gadget_type_id;
7944     int area_xsize = textarea_info[i].xsize;
7945     int area_ysize = textarea_info[i].ysize;
7946
7947     if (type_id != i)
7948       Fail("'textarea_info' structure corrupted at index %d -- please fix", i);
7949
7950     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
7951     infotext[max_infotext_len] = '\0';
7952
7953     gi = CreateGadget(GDI_CUSTOM_ID, id,
7954                       GDI_CUSTOM_TYPE_ID, type_id,
7955                       GDI_INFO_TEXT, infotext,
7956                       GDI_X, SX + ED_SETTINGS_X(textarea_info[i].x),
7957                       GDI_Y, SY + ED_SETTINGS_Y(textarea_info[i].y),
7958                       GDI_TYPE, GD_TYPE_TEXT_AREA,
7959                       GDI_AREA_SIZE, area_xsize, area_ysize,
7960                       GDI_TEXT_FONT, FONT_INPUT_1,
7961                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
7962                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7963                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7964                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7965                       GDI_DESIGN_WIDTH, gd->width,
7966                       GDI_EVENT_MASK, event_mask,
7967                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7968                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
7969                       GDI_END);
7970
7971     if (gi == NULL)
7972       Fail("cannot create gadget");
7973
7974     level_editor_gadget[id] = gi;
7975   }
7976 }
7977
7978 static void CreateSelectboxGadgets(void)
7979 {
7980   int max_infotext_len = getMaxInfoTextLength();
7981
7982   int i, j;
7983
7984   for (i = 0; i < ED_NUM_SELECTBOX; i++)
7985   {
7986     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_SELECTBOX_INPUT];
7987     struct GraphicInfo *gd2 = &graphic_info[IMG_EDITOR_SELECTBOX_BUTTON];
7988     int gd_x1 = gd->src_x;
7989     int gd_y1 = gd->src_y;
7990     int gd_x2 = gd->src_x + gd->active_xoffset;
7991     int gd_y2 = gd->src_y + gd->active_yoffset;
7992     int selectbox_button_xsize = gd2->width;
7993     struct GadgetInfo *gi;
7994     char infotext[MAX_OUTPUT_LINESIZE + 1];
7995     int id = selectbox_info[i].gadget_id;
7996     int type_id = selectbox_info[i].gadget_type_id;
7997     int x = SX + ED_SETTINGS_X(selectbox_info[i].x);
7998     int y = SY + ED_SETTINGS_Y(selectbox_info[i].y);
7999     unsigned int event_mask =
8000       GD_EVENT_RELEASED | GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
8001
8002     if (type_id != i)
8003       Fail("'selectbox_info' structure corrupted at index %d -- please fix", i);
8004
8005     if (selectbox_info[i].size == -1)   // dynamically determine size
8006     {
8007       // (we cannot use -1 for uninitialized values if we directly compare
8008       // with results from strlen(), because the '<' and '>' operation will
8009       // implicitely cast -1 to an unsigned integer value!)
8010       selectbox_info[i].size = 0;
8011
8012       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
8013         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
8014           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
8015
8016       selectbox_info[i].size++;         // add one character empty space
8017     }
8018
8019     // determine horizontal position to the right of specified gadget
8020     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
8021       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
8022            ED_GADGET_TEXT_DISTANCE);
8023
8024     // determine horizontal offset for leading text
8025     if (selectbox_info[i].text_left != NULL)
8026       x += getTextWidthForGadget(selectbox_info[i].text_left);
8027
8028     sprintf(infotext, "%s", selectbox_info[i].infotext);
8029     infotext[max_infotext_len] = '\0';
8030
8031     gi = CreateGadget(GDI_CUSTOM_ID, id,
8032                       GDI_CUSTOM_TYPE_ID, type_id,
8033                       GDI_INFO_TEXT, infotext,
8034                       GDI_X, x,
8035                       GDI_Y, y,
8036                       GDI_TYPE, GD_TYPE_SELECTBOX,
8037                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
8038                       GDI_SELECTBOX_CHAR_UNSELECTABLE, '[',
8039                       GDI_TEXT_SIZE, selectbox_info[i].size,
8040                       GDI_TEXT_FONT, FONT_INPUT_1,
8041                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
8042                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
8043                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8044                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8045                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8046                       GDI_BORDER_SIZE_SELECTBUTTON, selectbox_button_xsize,
8047                       GDI_DESIGN_WIDTH, gd->width,
8048                       GDI_EVENT_MASK, event_mask,
8049                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8050                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
8051                       GDI_END);
8052
8053     if (gi == NULL)
8054       Fail("cannot create gadget");
8055
8056     level_editor_gadget[id] = gi;
8057     right_gadget_border[id] =
8058       getRightGadgetBorder(gi, selectbox_info[i].text_right);
8059   }
8060 }
8061
8062 static void CreateTextbuttonGadgets(void)
8063 {
8064   int max_infotext_len = getMaxInfoTextLength();
8065   int i;
8066
8067   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
8068   {
8069     int id = textbutton_info[i].gadget_id;
8070     int type_id = textbutton_info[i].gadget_type_id;
8071     int is_tab_button =
8072       ((id >= GADGET_ID_LEVELCONFIG_LEVEL && id <= GADGET_ID_LEVELCONFIG_ENGINE) ||
8073        (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE));
8074     int graphic =
8075       (is_tab_button ? IMG_EDITOR_TABBUTTON : IMG_EDITOR_TEXTBUTTON);
8076     int gadget_distance =
8077       (is_tab_button ? ED_GADGET_SMALL_DISTANCE : ED_GADGET_TEXT_DISTANCE);
8078     struct GraphicInfo *gd = &graphic_info[graphic];
8079     int gd_x1 = gd->src_x;
8080     int gd_y1 = gd->src_y;
8081     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8082     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8083     int gd_x1a = gd->src_x + gd->active_xoffset;
8084     int gd_y1a = gd->src_y + gd->active_yoffset;
8085     int border_xsize = gd->border_size + gd->draw_xoffset;
8086     int border_ysize = gd->border_size;
8087     struct GadgetInfo *gi;
8088     unsigned int event_mask = GD_EVENT_RELEASED;
8089     char infotext[MAX_OUTPUT_LINESIZE + 1];
8090     int x = SX + ED_SETTINGS_X(textbutton_info[i].x);
8091     int y = SY + ED_SETTINGS_Y(textbutton_info[i].y);
8092
8093     if (type_id != i)
8094       Fail("'textbutton_info' structure corrupted at index %d -- please fix", i);
8095
8096     if (textbutton_info[i].size == -1)  // dynamically determine size
8097       textbutton_info[i].size = strlen(textbutton_info[i].text);
8098
8099     sprintf(infotext, "%s", textbutton_info[i].infotext);
8100     infotext[max_infotext_len] = '\0';
8101
8102     // determine horizontal position to the right of specified gadget
8103     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
8104     {
8105       int gadget_id_align = textbutton_info[i].gadget_id_align;
8106
8107       x = right_gadget_border[gadget_id_align] + gadget_distance;
8108
8109       if (textbutton_info[i].y == -1)
8110         y = level_editor_gadget[gadget_id_align]->y;
8111     }
8112
8113     // determine horizontal offset for leading text
8114     if (textbutton_info[i].text_left != NULL)
8115       x += getTextWidthForGadget(textbutton_info[i].text_left);
8116
8117     gi = CreateGadget(GDI_CUSTOM_ID, id,
8118                       GDI_CUSTOM_TYPE_ID, type_id,
8119                       GDI_IMAGE_ID, graphic,
8120                       GDI_INFO_TEXT, infotext,
8121                       GDI_X, x,
8122                       GDI_Y, y,
8123                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
8124                       GDI_TEXT_VALUE, textbutton_info[i].text,
8125                       GDI_TEXT_SIZE, textbutton_info[i].size,
8126                       GDI_TEXT_FONT, FONT_INPUT_2,
8127                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2_ACTIVE,
8128                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8129                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8130                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
8131                       GDI_BORDER_SIZE, border_xsize, border_ysize,
8132                       GDI_DESIGN_WIDTH, gd->width,
8133                       GDI_DECORATION_SHIFTING, 1, 1,
8134                       GDI_EVENT_MASK, event_mask,
8135                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8136                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
8137                       GDI_END);
8138
8139     if (gi == NULL)
8140       Fail("cannot create gadget");
8141
8142     level_editor_gadget[id] = gi;
8143     right_gadget_border[id] =
8144       getRightGadgetBorder(gi, textbutton_info[i].text_right);
8145   }
8146 }
8147
8148 static void CreateGraphicbuttonGadgets(void)
8149 {
8150   struct GadgetInfo *gi;
8151   int i;
8152
8153   // create buttons for scrolling of drawing area and element list
8154   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
8155   {
8156     int id = graphicbutton_info[i].gadget_id;
8157     int type_id = graphicbutton_info[i].gadget_type_id;
8158     int x = SX + ED_SETTINGS_X(graphicbutton_info[i].x);
8159     int y = SY + ED_SETTINGS_Y(graphicbutton_info[i].y);
8160     int graphic = graphicbutton_info[i].graphic;
8161     struct GraphicInfo *gd = &graphic_info[graphic];
8162     int gd_x1 = gd->src_x;
8163     int gd_y1 = gd->src_y;
8164     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8165     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8166     unsigned int event_mask = GD_EVENT_RELEASED;
8167
8168     if (type_id != i)
8169       Fail("'graphicbutton_info' structure corrupted at index %d -- please fix", i);
8170
8171     // determine horizontal position to the right of specified gadget
8172     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
8173       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
8174            ED_GADGET_TEXT_DISTANCE);
8175
8176     // determine horizontal offset for leading text
8177     if (graphicbutton_info[i].text_left != NULL)
8178       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
8179
8180     gi = CreateGadget(GDI_CUSTOM_ID, id,
8181                       GDI_CUSTOM_TYPE_ID, type_id,
8182                       GDI_IMAGE_ID, graphic,
8183                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
8184                       GDI_X, x,
8185                       GDI_Y, y,
8186                       GDI_WIDTH, gd->width,
8187                       GDI_HEIGHT, gd->height,
8188                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
8189                       GDI_STATE, GD_BUTTON_UNPRESSED,
8190                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8191                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8192                       GDI_EVENT_MASK, event_mask,
8193                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8194                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
8195                       GDI_END);
8196
8197     if (gi == NULL)
8198       Fail("cannot create gadget");
8199
8200     level_editor_gadget[id] = gi;
8201     right_gadget_border[id] =
8202       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
8203   }
8204 }
8205
8206 static void CreateScrollbarGadgets(void)
8207 {
8208   int i;
8209
8210   // these values are not constant, but can change at runtime
8211   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
8212     SX + ED_SCROLL_HORIZONTAL_XPOS;
8213   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
8214     SY + ED_SCROLL_HORIZONTAL_YPOS;
8215   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
8216     ED_SCROLL_HORIZONTAL_XSIZE;
8217   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
8218     ED_SCROLL_HORIZONTAL_YSIZE;
8219   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
8220   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
8221   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
8222   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
8223
8224   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
8225     SX + ED_SCROLL_VERTICAL_XPOS;
8226   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
8227     SY + ED_SCROLL_VERTICAL_YPOS;
8228   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
8229     ED_SCROLL_VERTICAL_XSIZE;
8230   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
8231     ED_SCROLL_VERTICAL_YSIZE;
8232   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
8233   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
8234   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
8235   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
8236
8237   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
8238     PX + ED_SCROLL2_VERTICAL_XPOS;
8239   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
8240     PY + ED_SCROLL2_VERTICAL_YPOS;
8241   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
8242     ED_SCROLL2_VERTICAL_XSIZE;
8243   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
8244     ED_SCROLL2_VERTICAL_YSIZE;
8245   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = PX;
8246   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = PY;
8247   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = PXSIZE;
8248   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = PYSIZE;
8249
8250   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
8251   {
8252     int id = scrollbar_info[i].gadget_id;
8253     int type_id = scrollbar_info[i].gadget_type_id;
8254     int graphic = scrollbar_info[i].graphic;
8255     struct GraphicInfo *gd = &graphic_info[graphic];
8256     int gd_x1 = gd->src_x;
8257     int gd_y1 = gd->src_y;
8258     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8259     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8260     struct GadgetInfo *gi;
8261     int items_max, items_visible, item_position;
8262     unsigned int event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
8263
8264     if (type_id != i)
8265       Fail("'scrollbar_info' structure corrupted at index %d -- please fix", i);
8266
8267     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
8268     {
8269       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
8270       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
8271       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
8272     }
8273     else        // drawing area scrollbars
8274     {
8275       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
8276       {
8277         items_max = MAX(lev_fieldx + 2, ed_fieldx);
8278         items_visible = ed_fieldx;
8279         item_position = 0;
8280       }
8281       else
8282       {
8283         items_max = MAX(lev_fieldy + 2, ed_fieldy);
8284         items_visible = ed_fieldy;
8285         item_position = 0;
8286       }
8287     }
8288
8289     gi = CreateGadget(GDI_CUSTOM_ID, id,
8290                       GDI_CUSTOM_TYPE_ID, type_id,
8291                       GDI_IMAGE_ID, graphic,
8292                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
8293                       GDI_X, scrollbar_pos[i].x,
8294                       GDI_Y, scrollbar_pos[i].y,
8295                       GDI_WIDTH, scrollbar_pos[i].width,
8296                       GDI_HEIGHT, scrollbar_pos[i].height,
8297                       GDI_TYPE, scrollbar_info[i].type,
8298                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
8299                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
8300                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
8301                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
8302                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
8303                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
8304                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
8305                       GDI_STATE, GD_BUTTON_UNPRESSED,
8306                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8307                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8308                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8309                       GDI_EVENT_MASK, event_mask,
8310                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8311                       GDI_CALLBACK_ACTION, HandleControlButtons,
8312                       GDI_END);
8313
8314     if (gi == NULL)
8315       Fail("cannot create gadget");
8316
8317     level_editor_gadget[id] = gi;
8318   }
8319 }
8320
8321 static void CreateCheckbuttonGadgets(void)
8322 {
8323   struct GadgetInfo *gi;
8324   int i;
8325
8326   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
8327   {
8328     int id = checkbutton_info[i].gadget_id;
8329     int type_id = checkbutton_info[i].gadget_type_id;
8330     int graphic = (id == GADGET_ID_STICK_ELEMENT ? IMG_EDITOR_STICKYBUTTON :
8331                    IMG_EDITOR_CHECKBOX);
8332     struct GraphicInfo *gd = &graphic_info[graphic];
8333     int gd_x1 = gd->src_x;
8334     int gd_y1 = gd->src_y;
8335     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8336     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8337     int gd_x1a = gd->src_x + gd->active_xoffset;
8338     int gd_y1a = gd->src_y + gd->active_yoffset;
8339     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
8340     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
8341     int x = SX + ED_SETTINGS_X(checkbutton_info[i].x);
8342     int y = SY + ED_SETTINGS_Y(checkbutton_info[i].y);
8343     unsigned int event_mask = GD_EVENT_PRESSED;
8344
8345     if (type_id != i)
8346       Fail("'checkbutton_info' structure corrupted at index %d -- please fix", i);
8347
8348     // determine horizontal position to the right of specified gadget
8349     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
8350       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
8351            ED_GADGET_TEXT_DISTANCE);
8352
8353     // determine horizontal offset for leading text
8354     if (checkbutton_info[i].text_left != NULL)
8355       x += getTextWidthForGadget(checkbutton_info[i].text_left);
8356
8357     gi = CreateGadget(GDI_CUSTOM_ID, id,
8358                       GDI_CUSTOM_TYPE_ID, type_id,
8359                       GDI_IMAGE_ID, graphic,
8360                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
8361                       GDI_X, x,
8362                       GDI_Y, y,
8363                       GDI_WIDTH, gd->width,
8364                       GDI_HEIGHT, gd->height,
8365                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
8366                       GDI_CHECKED, *checkbutton_info[i].value,
8367                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8368                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8369                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
8370                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
8371                       GDI_EVENT_MASK, event_mask,
8372                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8373                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
8374                       GDI_END);
8375
8376     if (gi == NULL)
8377       Fail("cannot create gadget");
8378
8379     level_editor_gadget[id] = gi;
8380     right_gadget_border[id] =
8381       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
8382   }
8383 }
8384
8385 static void CreateRadiobuttonGadgets(void)
8386 {
8387   int graphic = IMG_EDITOR_RADIOBUTTON;
8388   struct GraphicInfo *gd = &graphic_info[graphic];
8389   int gd_x1 = gd->src_x;
8390   int gd_y1 = gd->src_y;
8391   int gd_x2 = gd->src_x + gd->pressed_xoffset;
8392   int gd_y2 = gd->src_y + gd->pressed_yoffset;
8393   int gd_x1a = gd->src_x + gd->active_xoffset;
8394   int gd_y1a = gd->src_y + gd->active_yoffset;
8395   int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
8396   int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
8397   struct GadgetInfo *gi;
8398   int i;
8399
8400   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
8401   {
8402     int id = radiobutton_info[i].gadget_id;
8403     int type_id = radiobutton_info[i].gadget_type_id;
8404     int x = SX + ED_SETTINGS_X(radiobutton_info[i].x);
8405     int y = SY + ED_SETTINGS_Y(radiobutton_info[i].y);
8406     unsigned int event_mask = GD_EVENT_PRESSED;
8407
8408     if (type_id != i)
8409       Fail("'radiobutton_info' structure corrupted at index %d -- please fix", i);
8410
8411     int checked =
8412       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
8413
8414     // determine horizontal position to the right of specified gadget
8415     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
8416       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
8417            ED_GADGET_TEXT_DISTANCE);
8418
8419     // determine horizontal offset for leading text
8420     if (radiobutton_info[i].text_left != NULL)
8421       x += getTextWidthForGadget(radiobutton_info[i].text_left);
8422
8423     gi = CreateGadget(GDI_CUSTOM_ID, id,
8424                       GDI_CUSTOM_TYPE_ID, type_id,
8425                       GDI_IMAGE_ID, graphic,
8426                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
8427                       GDI_X, x,
8428                       GDI_Y, y,
8429                       GDI_WIDTH, gd->width,
8430                       GDI_HEIGHT, gd->height,
8431                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
8432                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
8433                       GDI_CHECKED, checked,
8434                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8435                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8436                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
8437                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
8438                       GDI_EVENT_MASK, event_mask,
8439                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8440                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
8441                       GDI_END);
8442
8443     if (gi == NULL)
8444       Fail("cannot create gadget");
8445
8446     level_editor_gadget[id] = gi;
8447     right_gadget_border[id] =
8448       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
8449   }
8450 }
8451
8452 void CreateLevelEditorGadgets(void)
8453 {
8454   // force EDITOR font inside level editor
8455   SetFontStatus(GAME_MODE_EDITOR);
8456
8457   // these values are not constant, but can change at runtime
8458   ed_fieldx = MAX_ED_FIELDX - 1;
8459   ed_fieldy = MAX_ED_FIELDY - 1;
8460
8461   num_editor_gadgets = NUM_EDITOR_GADGETS;
8462
8463   // Debug("editor", "allocating %d gadgets ...\n", num_editor_gadgets);
8464
8465   level_editor_gadget =
8466     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
8467   right_gadget_border =
8468     checked_calloc(num_editor_gadgets * sizeof(int));
8469
8470   // set number of empty (padding) element buttons to maximum number of buttons
8471   num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS;
8472
8473   editor_el_empty = checked_calloc(num_editor_el_empty * sizeof(int));
8474   editor_el_empty_ptr = editor_el_empty;
8475
8476   use_permanent_palette = !editor.palette.show_as_separate_screen;
8477
8478   InitGadgetScreenBorders(-1, INFOTEXT_YPOS);
8479
8480   ReinitializeElementList();
8481
8482   CreateControlButtons();
8483   CreateScrollbarGadgets();
8484
8485   // order of function calls is important because of cross-references
8486   CreateCheckbuttonGadgets();
8487   CreateCounterButtons();
8488   CreateRadiobuttonGadgets();
8489   CreateTextInputGadgets();
8490   CreateTextAreaGadgets();
8491   CreateSelectboxGadgets();
8492   CreateGraphicbuttonGadgets();
8493   CreateTextbuttonGadgets();
8494   CreateDrawingAreas();
8495
8496   ResetFontStatus();
8497 }
8498
8499 void FreeLevelEditorGadgets(void)
8500 {
8501   int i;
8502
8503   // Debug("editor", "freeing %d gadgets ...\n", num_editor_gadgets);
8504
8505   for (i = 0; i < num_editor_gadgets; i++)
8506   {
8507     FreeGadget(level_editor_gadget[i]);
8508
8509     level_editor_gadget[i] = NULL;
8510   }
8511
8512   checked_free(level_editor_gadget);
8513   checked_free(right_gadget_border);
8514
8515   checked_free(editor_el_empty);
8516 }
8517
8518 static void MapCounterButtons(int id)
8519 {
8520   int font_nr = FONT_TEXT_1;
8521   int font_height = getFontHeight(font_nr);
8522   int gadget_id_down = counterbutton_info[id].gadget_id_down;
8523   int gadget_id_text = counterbutton_info[id].gadget_id_text;
8524   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
8525   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
8526   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
8527   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
8528   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
8529   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8530   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8531   int yoffset = (gi_down->height - font_height) / 2;
8532   int x_left = gi_down->x - xoffset_left;
8533   int x_right;  // set after gadget position was modified
8534   int y_above = gi_down->y - yoffset_above;
8535   int x = gi_down->x;
8536   int y;        // set after gadget position was modified
8537
8538   // counter limits must be changed first to prevent value truncation
8539   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
8540                             counterbutton_info[id].max_value);
8541
8542   // right text position might have changed after setting position above
8543   x_right = gi_up->x + gi_up->width + xoffset_right;
8544
8545   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
8546
8547   // set position for counter gadgets with dynamically determined position
8548   if (id != ED_COUNTER_ID_SELECT_LEVEL)
8549   {
8550     ModifyGadget(gi_down, GDI_Y, SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
8551     ModifyGadget(gi_text, GDI_Y, SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
8552     ModifyGadget(gi_up,   GDI_Y, SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
8553   }
8554
8555   // vertical position might have changed after setting position above
8556   y = gi_up->y + yoffset;
8557
8558   if (counterbutton_info[id].text_above)
8559     DrawText(x, y_above, counterbutton_info[id].text_above, font_nr);
8560
8561   if (counterbutton_info[id].text_left)
8562     DrawText(x_left, y, counterbutton_info[id].text_left, font_nr);
8563
8564   if (counterbutton_info[id].text_right)
8565     DrawText(x_right, y, counterbutton_info[id].text_right, font_nr);
8566
8567   MapGadget(gi_down);
8568   MapGadget(gi_text);
8569   MapGadget(gi_up);
8570 }
8571
8572 static void MapControlButtons(void)
8573 {
8574   int counter_id;
8575   int i;
8576
8577   // map toolbox buttons (excluding special CE toolbox buttons)
8578   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
8579     MapGadget(level_editor_gadget[i]);
8580
8581   // map toolbox buttons (element properties buttons)
8582   for (i = ED_NUM_CTRL1_4_BUTTONS; i < ED_NUM_CTRL1_7_BUTTONS; i++)
8583     MapGadget(level_editor_gadget[i]);
8584
8585   if (use_permanent_palette)
8586   {
8587     // map buttons to select elements
8588     for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
8589       MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
8590     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
8591     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
8592     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
8593   }
8594
8595   // map buttons to select level
8596   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
8597   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
8598   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
8599   MapCounterButtons(counter_id);
8600 }
8601
8602 static void MapDrawingArea(int id)
8603 {
8604   int font_nr = FONT_TEXT_1;
8605   int font_height = getFontHeight(font_nr);
8606   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
8607   int area_xsize = gi->drawing.area_xsize;
8608   int area_ysize = gi->drawing.area_ysize;
8609   int xoffset_left = getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8610   int xoffset_below = getTextWidth(drawingarea_info[id].text_below, font_nr);
8611   int x_left  = gi->x - xoffset_left - ED_DRAWINGAREA_BORDER_SIZE;
8612   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
8613   int x_above = gi->x - ED_DRAWINGAREA_BORDER_SIZE;
8614   int x_below = gi->x + (gi->width - xoffset_below) / 2;
8615   int y_side  = gi->y + (gi->height - font_height) / 2;
8616   int y_above = gi->y - font_height - ED_DRAWINGAREA_TEXT_DISTANCE;
8617   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
8618
8619   if (drawingarea_info[id].text_left)
8620     DrawText(x_left, y_side, drawingarea_info[id].text_left, font_nr);
8621
8622   if (drawingarea_info[id].text_right)
8623     DrawText(x_right, y_side, drawingarea_info[id].text_right, font_nr);
8624
8625   if (drawingarea_info[id].text_above)
8626     DrawText(x_above, y_above, drawingarea_info[id].text_above, font_nr);
8627
8628   if (drawingarea_info[id].text_below)
8629     DrawText(x_below, y_below, drawingarea_info[id].text_below, font_nr);
8630
8631   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
8632   {
8633     DrawElementBorder(gi->x, gi->y,
8634                       area_xsize * ED_DRAWINGAREA_TILE_SIZE,
8635                       area_ysize * ED_DRAWINGAREA_TILE_SIZE, TRUE);
8636
8637     DrawDrawingArea(id);
8638   }
8639
8640   MapGadget(gi);
8641 }
8642
8643 static void MapTextInputGadget(int id)
8644 {
8645   int font_nr = FONT_TEXT_1;
8646   int font_height = getFontHeight(font_nr);
8647   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
8648   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8649   int x_above = ED_SETTINGS_X(textinput_info[id].x);
8650   int y_above = ED_SETTINGS_Y(textinput_info[id].y) - yoffset_above;
8651
8652   if (textinput_info[id].text_above)
8653     DrawTextS(x_above, y_above, font_nr, textinput_info[id].text_above);
8654
8655   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
8656
8657   MapGadget(gi);
8658 }
8659
8660 static void MapTextAreaGadget(int id)
8661 {
8662   int font_nr = FONT_TEXT_1;
8663   int font_height = getFontHeight(font_nr);
8664   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
8665   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8666   int x_above = ED_SETTINGS_X(textarea_info[id].x);
8667   int y_above = ED_SETTINGS_Y(textarea_info[id].y) - yoffset_above;
8668   char *text_above = textarea_info[id].text_above;
8669
8670   if (gi->textarea.cropped && textarea_info[id].text_above_cropped)
8671     text_above = textarea_info[id].text_above_cropped;
8672
8673   if (text_above)
8674     DrawTextS(x_above, y_above, font_nr, text_above);
8675
8676   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
8677
8678   MapGadget(gi);
8679 }
8680
8681 static void MapSelectboxGadget(int id)
8682 {
8683   int font_nr = FONT_TEXT_1;
8684   int font_height = getFontHeight(font_nr);
8685   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
8686   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
8687   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8688   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8689   int yoffset = (gi->height - font_height) / 2;
8690   int x_left = gi->x - xoffset_left;
8691   int x_right = gi->x + gi->width + xoffset_right;
8692   int y_above = gi->y - yoffset_above;
8693   int x = gi->x;
8694   int y = gi->y + yoffset;
8695
8696   if (selectbox_info[id].text_above)
8697     DrawText(x, y_above, selectbox_info[id].text_above, font_nr);
8698
8699   if (selectbox_info[id].text_left)
8700     DrawText(x_left, y, selectbox_info[id].text_left, font_nr);
8701
8702   if (selectbox_info[id].text_right)
8703     DrawText(x_right, y, selectbox_info[id].text_right, font_nr);
8704
8705   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
8706
8707   MapGadget(gi);
8708 }
8709
8710 static void MapTextbuttonGadget(int id)
8711 {
8712   int font_nr = FONT_TEXT_1;
8713   int font_height = getFontHeight(font_nr);
8714   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
8715   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
8716   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8717   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8718   int yoffset = (gi->height - font_height) / 2;
8719   int x_left = gi->x - xoffset_left;
8720   int x_right = gi->x + gi->width + xoffset_right;
8721   int y_above = gi->y - yoffset_above;
8722   int x = gi->x;
8723   int y = gi->y + yoffset;
8724
8725   // only show button to delete change pages when more than minimum pages
8726   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
8727       custom_element.num_change_pages == MIN_CHANGE_PAGES)
8728     return;
8729
8730   if (textbutton_info[id].text_above)
8731     DrawText(x, y_above, textbutton_info[id].text_above, font_nr);
8732
8733   if (textbutton_info[id].text_left)
8734     DrawText(x_left, y, textbutton_info[id].text_left, font_nr);
8735
8736   if (textbutton_info[id].text_right)
8737     DrawText(x_right, y, textbutton_info[id].text_right, font_nr);
8738
8739   MapGadget(gi);
8740 }
8741
8742 static void MapGraphicbuttonGadget(int id)
8743 {
8744   int font_nr = FONT_TEXT_1;
8745   int font_height = getFontHeight(font_nr);
8746   struct GadgetInfo *gi = level_editor_gadget[graphicbutton_info[id].gadget_id];
8747   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
8748   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8749   int yoffset = (gi->height - font_height) / 2;
8750   int x_left = gi->x - xoffset_left;
8751   int x_right = gi->x + gi->width + xoffset_right;
8752   int y = gi->y + yoffset;
8753
8754   if (graphicbutton_info[id].text_left)
8755     DrawText(x_left, y, graphicbutton_info[id].text_left, font_nr);
8756
8757   if (graphicbutton_info[id].text_right)
8758     DrawText(x_right, y, graphicbutton_info[id].text_right, font_nr);
8759
8760   MapGadget(gi);
8761 }
8762
8763 static void MapRadiobuttonGadget(int id)
8764 {
8765   int font_nr = FONT_TEXT_1;
8766   int font_height = getFontHeight(font_nr);
8767   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
8768   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
8769   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8770   int yoffset = (gi->height - font_height) / 2;
8771   int x_left = gi->x - xoffset_left;
8772   int x_right = gi->x + gi->width + xoffset_right;
8773   int y = gi->y + yoffset;
8774   boolean checked =
8775     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
8776
8777   if (radiobutton_info[id].text_left)
8778     DrawText(x_left, y, radiobutton_info[id].text_left, font_nr);
8779
8780   if (radiobutton_info[id].text_right)
8781     DrawText(x_right, y, radiobutton_info[id].text_right, font_nr);
8782
8783   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
8784
8785   MapGadget(gi);
8786 }
8787
8788 static void MapCheckbuttonGadget(int id)
8789 {
8790   int font_nr = FONT_TEXT_1;
8791   int font_height = getFontHeight(font_nr);
8792   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
8793   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
8794   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8795   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8796   int yoffset = (gi->height - font_height) / 2;
8797   int y_above = gi->y - yoffset_above;
8798   int x = gi->x;
8799   int x_left, x_right, y;       // set after gadget position was modified
8800
8801   // set position for gadgets with dynamically determined position
8802   if (checkbutton_info[id].x != -1)     // do not change dynamic positions
8803     ModifyGadget(gi, GDI_X, SX + ED_SETTINGS_X(checkbutton_info[id].x), GDI_END);
8804   ModifyGadget(gi, GDI_Y, SY + ED_SETTINGS_Y(checkbutton_info[id].y), GDI_END);
8805
8806   x_left = gi->x - xoffset_left;
8807   x_right = gi->x + gi->width + xoffset_right;
8808   y = gi->y + yoffset;
8809
8810   if (checkbutton_info[id].text_above)
8811     DrawText(x, y_above, checkbutton_info[id].text_above, font_nr);
8812
8813   if (checkbutton_info[id].text_left)
8814     DrawText(x_left, y, checkbutton_info[id].text_left, font_nr);
8815
8816   if (checkbutton_info[id].text_right)
8817     DrawText(x_right, y, checkbutton_info[id].text_right, font_nr);
8818
8819   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
8820
8821   MapGadget(gi);
8822 }
8823
8824 static void MapMainDrawingArea(void)
8825 {
8826   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
8827   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
8828   int i;
8829
8830   if (suppressBorderElement())
8831   {
8832     no_horizontal_scrollbar = (lev_fieldx <= ed_fieldx);
8833     no_vertical_scrollbar   = (lev_fieldy <= ed_fieldy);
8834   }
8835
8836   for (i = ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
8837   {
8838     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
8839           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
8840          no_horizontal_scrollbar) ||
8841         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
8842           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
8843          no_vertical_scrollbar))
8844       continue;
8845
8846     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
8847   }
8848
8849   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
8850   {
8851     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
8852         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
8853       continue;
8854
8855     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
8856   }
8857
8858   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
8859 }
8860
8861 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
8862 {
8863   int i;
8864
8865   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
8866   {
8867     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
8868         i == GADGET_ID_CUSTOM_COPY_TO ||
8869         i == GADGET_ID_CUSTOM_EXCHANGE ||
8870         i == GADGET_ID_CUSTOM_COPY ||
8871         i == GADGET_ID_CUSTOM_PASTE)
8872     {
8873       if (map)
8874         MapGadget(level_editor_gadget[i]);
8875       else
8876         UnmapGadget(level_editor_gadget[i]);
8877     }
8878   }
8879 }
8880
8881 static void MapLevelEditorToolboxCustomGadgets(void)
8882 {
8883   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
8884 }
8885
8886 static void MapLevelEditorToolboxCustomGadgetsIfNeeded(void)
8887 {
8888   if (IS_CUSTOM_ELEMENT(properties_element) ||
8889       IS_GROUP_ELEMENT(properties_element) ||
8890       IS_EMPTY_ELEMENT(properties_element))
8891     MapLevelEditorToolboxCustomGadgets();
8892 }
8893
8894 static void UnmapLevelEditorToolboxCustomGadgets(void)
8895 {
8896   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
8897 }
8898
8899 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
8900 {
8901   int i;
8902
8903   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
8904   {
8905     if (i != GADGET_ID_SINGLE_ITEMS &&
8906         i != GADGET_ID_PICK_ELEMENT)
8907     {
8908       struct GadgetInfo *gi = level_editor_gadget[i];
8909
8910       if (map)
8911       {
8912         MapGadget(gi);
8913       }
8914       else
8915       {
8916         int graphic = IMG_EDITOR_NO_TOOLBOX_BUTTON;
8917         struct GraphicInfo *gd = &graphic_info[graphic];
8918
8919         UnmapGadget(gi);
8920
8921         BlitBitmap(gd->bitmap, drawto, gd->src_x, gd->src_y,
8922                    gi->width, gi->height, gi->x, gi->y);
8923
8924         redraw_mask |= REDRAW_DOOR_3;
8925       }
8926     }
8927   }
8928 }
8929
8930 static void MapLevelEditorToolboxDrawingGadgets(void)
8931 {
8932   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
8933 }
8934
8935 static void UnmapLevelEditorToolboxDrawingGadgets(void)
8936 {
8937   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
8938 }
8939
8940 static void UnmapDrawingArea(int id)
8941 {
8942   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
8943 }
8944
8945 static void UnmapLevelEditorFieldGadgets(void)
8946 {
8947   int i;
8948
8949   for (i = 0; i < num_editor_gadgets; i++)
8950     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
8951                           level_editor_gadget[i]->y))
8952       UnmapGadget(level_editor_gadget[i]);
8953 }
8954
8955 void UnmapLevelEditorGadgets(void)
8956 {
8957   int i;
8958
8959   for (i = 0; i < num_editor_gadgets; i++)
8960     UnmapGadget(level_editor_gadget[i]);
8961 }
8962
8963 static void ResetUndoBuffer(void)
8964 {
8965   undo_buffer_position = -1;
8966   undo_buffer_steps = -1;
8967   redo_buffer_steps = 0;
8968
8969   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
8970
8971   level.changed = FALSE;
8972 }
8973
8974 static void DrawEditModeWindowExt(boolean remap_toolbox_gadgets)
8975 {
8976   if (remap_toolbox_gadgets)
8977   {
8978     ModifyEditorElementList();
8979     RedrawDrawingElements();
8980   }
8981
8982   if (edit_mode == ED_MODE_LEVELCONFIG)
8983     DrawLevelConfigWindow();
8984   else if (edit_mode == ED_MODE_PROPERTIES)
8985     DrawPropertiesWindow();
8986   else if (edit_mode == ED_MODE_PALETTE)
8987     DrawPaletteWindow();
8988   else  // edit_mode == ED_MODE_DRAWING
8989     DrawDrawingWindowExt(remap_toolbox_gadgets);
8990 }
8991
8992 static void DrawEditModeWindow(void)
8993 {
8994   DrawEditModeWindowExt(TRUE);
8995 }
8996
8997 static void DrawEditModeWindow_PlayfieldOnly(void)
8998 {
8999   DrawEditModeWindowExt(FALSE);
9000 }
9001
9002 static void ChangeEditModeWindow(int new_edit_mode)
9003 {
9004   edit_mode = (new_edit_mode != edit_mode ? new_edit_mode : ED_MODE_DRAWING);
9005
9006   DrawEditModeWindow();
9007 }
9008
9009 static boolean LevelChanged(void)
9010 {
9011   boolean field_changed = FALSE;
9012   int x, y;
9013
9014   for (y = 0; y < lev_fieldy; y++)
9015     for (x = 0; x < lev_fieldx; x++)
9016       if (Tile[x][y] != level.field[x][y])
9017         field_changed = TRUE;
9018
9019   return (level.changed || field_changed);
9020 }
9021
9022 static boolean PrepareSavingIntoPersonalLevelSet(void)
9023 {
9024   static LevelDirTree *last_copied_leveldir = NULL;
9025   static LevelDirTree *last_written_leveldir = NULL;
9026   static int last_copied_level_nr = -1;
9027   static int last_written_level_nr = -1;
9028   LevelDirTree *leveldir_former = leveldir_current;
9029   int level_nr_former = level_nr;
9030   int new_level_nr;
9031
9032   // remember last mod/save so that for current session, we write
9033   // back to the same personal copy, asking only about overwrite.
9034   if (leveldir_current == last_copied_leveldir &&
9035       level_nr == last_copied_level_nr)
9036   {
9037     // "cd" to personal level set dir (as used when writing last copy)
9038     leveldir_current = last_written_leveldir;
9039     level_nr = last_written_level_nr;
9040
9041     return TRUE;
9042   }
9043
9044   if (!Request("This level is read-only! "
9045                "Save into personal level set?", REQ_ASK))
9046     return FALSE;
9047
9048   // "cd" to personal level set dir (for writing copy the first time)
9049   leveldir_current =
9050     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
9051
9052   // this may happen if "setup.internal.create_user_levelset" is FALSE
9053   // or if file "levelinfo.conf" is missing in personal user level set
9054   if (leveldir_current == NULL)
9055   {
9056     Request("Cannot find personal level set?!", REQ_CONFIRM);
9057
9058     leveldir_current = leveldir_former;
9059
9060     return FALSE;
9061   }
9062
9063   // find unused level number
9064   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
9065   {
9066     static char *level_filename = NULL;
9067
9068     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
9069
9070     if (!fileExists(level_filename))
9071       break;
9072   }
9073
9074   last_copied_leveldir = leveldir_former;
9075   last_copied_level_nr = level_nr_former;
9076
9077   last_written_leveldir = leveldir_current;
9078   last_written_level_nr = level_nr = new_level_nr;
9079
9080   return TRUE;
9081 }
9082
9083 static void ModifyLevelConfigForSavingIntoPersonalLevelSet(char *former_name)
9084 {
9085   static char *filename_levelinfo = NULL, *mod_name = NULL;
9086   FILE *file;
9087
9088   // annotate this copy-and-mod in personal levelinfo.conf
9089   setString(&filename_levelinfo,
9090             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
9091
9092   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
9093   {
9094     fprintf(file, "\n");
9095     fprintf(file, "# level %d was modified from:\n", level_nr);
9096     fprintf(file, "# - previous level set name:    %s\n",
9097             former_name);
9098     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
9099             level.file_info.nr, level.name);
9100     fprintf(file, "# - previous author:            %s\n",
9101             level.author);
9102     fprintf(file, "# - previous save date:         ");
9103
9104     if (level.creation_date.src == DATE_SRC_LEVELFILE)
9105     {
9106       fprintf(file, "%04d-%02d-%02d\n",
9107               level.creation_date.year,
9108               level.creation_date.month,
9109               level.creation_date.day);
9110     }
9111     else
9112     {
9113       fprintf(file, "not recorded\n");
9114     }
9115
9116     fclose(file);
9117   }
9118
9119   if (level_nr > leveldir_current->last_level)
9120     UpdateUserLevelSet(getLoginName(), NULL, NULL, level_nr + 9);
9121
9122   // else: allow the save even if annotation failed
9123
9124   // now... spray graffiti on the old level vital statistics
9125   // user can change these; just trying to set a good baseline
9126
9127   // don't truncate names for fear of making offensive or silly:
9128   // long-named original author only recorded in levelinfo.conf.
9129   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
9130   if (!strEqual(level.author, leveldir_current->author))
9131   {
9132     setString(&mod_name, getStringCat3(leveldir_current->author,
9133                                        " after ", level.author));
9134
9135     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
9136       setString(&mod_name,
9137                 getStringCat2(leveldir_current->author, " (ed.)"));
9138
9139     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
9140       setString(&mod_name, leveldir_current->author);
9141
9142     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
9143
9144     // less worried about truncation here
9145     setString(&mod_name, getStringCat2("Mod: ", level.name));
9146     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
9147   }
9148 }
9149
9150 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
9151                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
9152 {
9153   int x, y;
9154
9155   for (x = 0; x < lev_fieldx; x++)
9156     for (y = 0; y < lev_fieldy; y++)
9157       dst[x][y] = src[x][y];
9158 }
9159
9160 static int setSelectboxValue(int selectbox_id, int new_value)
9161 {
9162   int new_index_value = 0;
9163   int i;
9164
9165   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
9166     if (selectbox_info[selectbox_id].options[i].value == new_value)
9167       new_index_value = i;
9168
9169   *selectbox_info[selectbox_id].value =
9170     selectbox_info[selectbox_id].options[new_index_value].value;
9171
9172   return new_index_value;
9173 }
9174
9175 static void setSelectboxSpecialActionVariablesIfNeeded(void)
9176 {
9177   int i;
9178
9179   // change action mode and arg variables according to action type variable
9180   for (i = 0; action_arg_options[i].value != -1; i++)
9181   {
9182     if (action_arg_options[i].value == custom_element_change.action_type)
9183     {
9184       int mode = action_arg_options[i].mode;
9185
9186       // only change if corresponding selectbox has changed
9187       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
9188           action_arg_modes[mode])
9189         custom_element_change.action_mode = -1;
9190
9191       // only change if corresponding selectbox has changed
9192       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
9193           action_arg_options[i].options)
9194         custom_element_change.action_arg = -1;
9195
9196       break;
9197     }
9198   }
9199 }
9200
9201 static void setSelectboxSpecialActionOptions(void)
9202 {
9203   int i;
9204
9205   // change action mode and arg selectbox according to action type selectbox
9206   for (i = 0; action_arg_options[i].value != -1; i++)
9207   {
9208     if (action_arg_options[i].value == custom_element_change.action_type)
9209     {
9210       int mode = action_arg_options[i].mode;
9211
9212       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
9213                                    action_arg_modes[mode]);
9214       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
9215                                  custom_element_change.action_mode);
9216
9217       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
9218                                    action_arg_options[i].options);
9219       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
9220                                  custom_element_change.action_arg);
9221       break;
9222     }
9223   }
9224 }
9225
9226 static void copy_custom_element_settings(int element_from, int element_to)
9227 {
9228   struct ElementInfo *ei_from = &element_info[element_from];
9229   struct ElementInfo *ei_to = &element_info[element_to];
9230
9231   copyElementInfo(ei_from, ei_to);
9232 }
9233
9234 static void replace_custom_element_in_settings(int element_from,
9235                                                int element_to)
9236 {
9237   int i, j, x, y;
9238
9239   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
9240   {
9241     struct ElementInfo *ei = &element_info[i];
9242
9243     for (y = 0; y < 3; y++)
9244       for (x = 0; x < 3; x++)
9245         if (ei->content.e[x][y] == element_from)
9246           ei->content.e[x][y] = element_to;
9247
9248     for (j = 0; j < ei->num_change_pages; j++)
9249     {
9250       struct ElementChangeInfo *change = &ei->change_page[j];
9251
9252       if (change->target_element == element_from)
9253         change->target_element = element_to;
9254
9255       if (change->initial_trigger_element == element_from)
9256         change->initial_trigger_element = element_to;
9257
9258       if (change->action_element == element_from)
9259         change->action_element = element_to;
9260
9261       for (y = 0; y < 3; y++)
9262         for (x = 0; x < 3; x++)
9263           if (change->target_content.e[x][y] == element_from)
9264             change->target_content.e[x][y] = element_to;
9265     }
9266
9267     if (ei->group != NULL)                              // group or internal
9268       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
9269         if (ei->group->element[j] == element_from)
9270           ei->group->element[j] = element_to;
9271   }
9272 }
9273
9274 static void replace_custom_element_in_playfield(int element_from,
9275                                                 int element_to)
9276 {
9277   int x, y;
9278
9279   for (x = 0; x < lev_fieldx; x++)
9280     for (y = 0; y < lev_fieldy; y++)
9281       if (Tile[x][y] == element_from)
9282         Tile[x][y] = element_to;
9283 }
9284
9285 static boolean CopyCustomElement(int element_old, int element_new,
9286                                  int copy_mode)
9287 {
9288   int copy_mode_orig = copy_mode;
9289
9290   if (copy_mode == GADGET_ID_CUSTOM_COPY)
9291   {
9292     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
9293                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
9294     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
9295   }
9296   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
9297   {
9298     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
9299                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
9300     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
9301
9302     level.changed = TRUE;
9303   }
9304   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
9305   {
9306     Request("Please choose custom element!", REQ_CONFIRM);
9307
9308     return FALSE;
9309   }
9310   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
9311   {
9312     Request("Please choose group element!", REQ_CONFIRM);
9313
9314     return FALSE;
9315   }
9316   else if (IS_EMPTY_ELEMENT(element_old) && !IS_EMPTY_ELEMENT(element_new))
9317   {
9318     Request("Please choose empty element!", REQ_CONFIRM);
9319
9320     return FALSE;
9321   }
9322   else
9323   {
9324     level.changed = TRUE;
9325   }
9326
9327   // when modifying custom/group element, ask for copying level template
9328   if (copy_mode_orig != GADGET_ID_CUSTOM_COPY && level.use_custom_template)
9329   {
9330     if (!AskToCopyAndModifyLevelTemplate())
9331       return FALSE;
9332   }
9333
9334   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
9335   {
9336     copy_custom_element_settings(element_new, element_old);
9337   }
9338   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
9339   {
9340     copy_custom_element_settings(element_old, element_new);
9341   }
9342   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
9343   {
9344     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
9345     copy_custom_element_settings(element_new, element_old);
9346     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
9347
9348     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
9349     replace_custom_element_in_settings(element_new, element_old);
9350     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
9351
9352     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
9353     replace_custom_element_in_playfield(element_new, element_old);
9354     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
9355   }
9356
9357   UpdateCustomElementGraphicGadgets();
9358   DrawPropertiesWindow();
9359
9360   return TRUE;
9361 }
9362
9363 static void CopyCustomElementPropertiesToEditor(int element)
9364 {
9365   int i;
9366   int current_change_page = element_info[element].current_change_page;
9367
9368   // dynamically (re)build selectbox for selecting change page
9369   for (i = 0; i < element_info[element].num_change_pages; i++)
9370   {
9371     sprintf(options_change_page_strings[i], "%d", i + 1);
9372
9373     options_change_page[i].value = i;
9374     options_change_page[i].text = options_change_page_strings[i];
9375   }
9376
9377   options_change_page[i].value = -1;
9378   options_change_page[i].text = NULL;
9379
9380   // needed here to initialize combined element properties
9381   InitElementPropertiesEngine(level.game_version);
9382
9383   element_info[element].change =
9384     &element_info[element].change_page[current_change_page];
9385
9386   custom_element = element_info[element];
9387   custom_element_change = *element_info[element].change;
9388
9389   // needed to initially set selectbox options for special action options
9390   setSelectboxSpecialActionOptions();
9391
9392   // needed to initially set selectbox value variables to reliable defaults
9393   for (i = 0; i < ED_NUM_SELECTBOX; i++)
9394     setSelectboxValue(i, *selectbox_info[i].value);
9395
9396   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
9397     custom_element_properties[i] = HAS_PROPERTY(element, i);
9398
9399   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
9400     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
9401
9402   // ---------- element settings: configure (custom elements) -----------------
9403
9404   // set accessible layer selectbox help value
9405   custom_element.access_type =
9406     (IS_WALKABLE(element) ? EP_WALKABLE :
9407      IS_PASSABLE(element) ? EP_PASSABLE :
9408      custom_element.access_type);
9409   custom_element.access_layer =
9410     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
9411      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
9412      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
9413      custom_element.access_layer);
9414   custom_element.access_protected =
9415     (IS_PROTECTED(element) ? 1 : 0);
9416   custom_element_properties[EP_ACCESSIBLE] =
9417     (IS_ACCESSIBLE_OVER(element) ||
9418      IS_ACCESSIBLE_INSIDE(element) ||
9419      IS_ACCESSIBLE_UNDER(element));
9420
9421   // set walk-to-object action selectbox help value
9422   custom_element.walk_to_action =
9423     (IS_DIGGABLE(element) ? EP_DIGGABLE :
9424      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
9425      IS_DROPPABLE(element) ? EP_DROPPABLE :
9426      IS_THROWABLE(element) ? EP_THROWABLE :
9427      IS_PUSHABLE(element) ? EP_PUSHABLE :
9428      custom_element.walk_to_action);
9429   custom_element_properties[EP_WALK_TO_OBJECT] =
9430     (IS_DIGGABLE(element) ||
9431      IS_COLLECTIBLE_ONLY(element) ||
9432      IS_DROPPABLE(element) ||
9433      IS_THROWABLE(element) ||
9434      IS_PUSHABLE(element));
9435
9436   // set smash targets selectbox help value
9437   custom_element.smash_targets =
9438     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
9439      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
9440      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
9441      custom_element.smash_targets);
9442   custom_element_properties[EP_CAN_SMASH] =
9443     (CAN_SMASH_EVERYTHING(element) ||
9444      CAN_SMASH_ENEMIES(element) ||
9445      CAN_SMASH_PLAYER(element));
9446
9447   // set deadliness selectbox help value
9448   custom_element.deadliness =
9449     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
9450      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
9451      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
9452      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
9453      custom_element.deadliness);
9454   custom_element_properties[EP_DEADLY] =
9455     (DONT_TOUCH(element) ||
9456      DONT_GET_HIT_BY(element) ||
9457      DONT_COLLIDE_WITH(element) ||
9458      DONT_RUN_INTO(element));
9459
9460   // ---------- element settings: advanced (custom elements) ------------------
9461
9462   // set "change by direct action" selectbox help value
9463   custom_element_change.direct_action =
9464     (HAS_CHANGE_EVENT(element, CE_NEXT_TO_PLAYER) ? CE_NEXT_TO_PLAYER :
9465      HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
9466      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
9467      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
9468      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
9469      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
9470      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
9471      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
9472      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
9473      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
9474      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
9475      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
9476      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
9477      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
9478      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
9479      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
9480      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
9481      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
9482      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
9483      HAS_CHANGE_EVENT(element, CE_CLICKED_BY_MOUSE) ? CE_CLICKED_BY_MOUSE :
9484      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_MOUSE) ? CE_PRESSED_BY_MOUSE :
9485      custom_element_change.direct_action);
9486
9487   // set "change by other element action" selectbox help value
9488   custom_element_change.other_action =
9489     (HAS_CHANGE_EVENT(element, CE_PLAYER_NEXT_TO_X) ? CE_PLAYER_NEXT_TO_X :
9490      HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
9491      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
9492      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
9493      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
9494      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
9495      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
9496      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
9497      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
9498      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
9499      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
9500      HAS_CHANGE_EVENT(element, CE_NEXT_TO_X) ? CE_NEXT_TO_X :
9501      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
9502      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
9503      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
9504      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
9505      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
9506      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
9507      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
9508      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
9509      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
9510      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
9511      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
9512      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
9513      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
9514      HAS_CHANGE_EVENT(element, CE_MOUSE_CLICKED_ON_X) ? CE_MOUSE_CLICKED_ON_X :
9515      HAS_CHANGE_EVENT(element, CE_MOUSE_PRESSED_ON_X) ? CE_MOUSE_PRESSED_ON_X :
9516      custom_element_change.other_action);
9517 }
9518
9519 static void CopyGroupElementPropertiesToEditor(int element)
9520 {
9521   group_element_info = *element_info[element].group;
9522   custom_element = element_info[element];       // needed for description
9523 }
9524
9525 static void CopyEmptyElementPropertiesToEditor(int element)
9526 {
9527   custom_element = element_info[element];
9528 }
9529
9530 static void CopyClassicElementPropertiesToEditor(int element)
9531 {
9532   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
9533     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
9534       getMoveIntoAcidProperty(&level, element);
9535
9536   if (MAYBE_DONT_COLLIDE_WITH(element))
9537     custom_element_properties[EP_DONT_COLLIDE_WITH] =
9538       getDontCollideWithProperty(&level, element);
9539 }
9540
9541 static void CopyElementPropertiesToEditor(int element)
9542 {
9543   if (IS_CUSTOM_ELEMENT(element))
9544     CopyCustomElementPropertiesToEditor(element);
9545   else if (IS_GROUP_ELEMENT(element))
9546     CopyGroupElementPropertiesToEditor(element);
9547   else if (IS_EMPTY_ELEMENT(element))
9548     CopyEmptyElementPropertiesToEditor(element);
9549   else
9550     CopyClassicElementPropertiesToEditor(element);
9551 }
9552
9553 static boolean AskToCopyAndModifyLevelTemplate(void)
9554 {
9555   if (Request("Copy and modify settings from level template?", REQ_ASK))
9556   {
9557     level.use_custom_template = FALSE;
9558
9559     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_1],
9560                  GDI_CHECKED, FALSE, GDI_END);
9561     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_2],
9562                  GDI_CHECKED, FALSE, GDI_END);
9563
9564     return TRUE;
9565   }
9566   else
9567   {
9568     LoadLevelTemplate(-1);      // this resets all element modifications ...
9569
9570     DrawEditModeWindow();       // ... and copies them to 'custom_element'
9571
9572     return FALSE;
9573   }
9574 }
9575
9576 static void CopyCustomElementPropertiesToGame(int element)
9577 {
9578   int i;
9579   int access_type_and_layer;
9580
9581   // mark that this custom element has been modified
9582   custom_element.modified_settings = TRUE;
9583   level.changed = TRUE;
9584
9585   if (level.use_custom_template)
9586     AskToCopyAndModifyLevelTemplate();
9587
9588   element_info[element] = custom_element;
9589   *element_info[element].change = custom_element_change;
9590
9591   // ---------- element settings: configure (custom elements) -----------------
9592
9593   // set accessible property from checkbox and selectbox
9594   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
9595   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
9596   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
9597   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
9598   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
9599   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
9600   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
9601                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
9602                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
9603   custom_element_properties[access_type_and_layer] =
9604     custom_element_properties[EP_ACCESSIBLE];
9605   custom_element_properties[EP_PROTECTED] =
9606     (custom_element.access_protected != 0 &&
9607      custom_element_properties[EP_ACCESSIBLE]);
9608
9609   // set walk-to-object property from checkbox and selectbox
9610   custom_element_properties[EP_DIGGABLE] = FALSE;
9611   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
9612   custom_element_properties[EP_DROPPABLE] = FALSE;
9613   custom_element_properties[EP_THROWABLE] = FALSE;
9614   custom_element_properties[EP_PUSHABLE] = FALSE;
9615   custom_element_properties[custom_element.walk_to_action] =
9616     custom_element_properties[EP_WALK_TO_OBJECT];
9617
9618   // set smash property from checkbox and selectbox
9619   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
9620   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
9621   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
9622   custom_element_properties[custom_element.smash_targets] =
9623     custom_element_properties[EP_CAN_SMASH];
9624
9625   // set deadliness property from checkbox and selectbox
9626   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
9627   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
9628   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
9629   custom_element_properties[EP_DONT_TOUCH] = FALSE;
9630   custom_element_properties[custom_element.deadliness] =
9631     custom_element_properties[EP_DEADLY];
9632
9633   // ---------- element settings: advanced (custom elements) ------------------
9634
9635   // set player change event from checkbox and selectbox
9636   custom_element_change_events[CE_NEXT_TO_PLAYER] = FALSE;
9637   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
9638   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
9639   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
9640   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
9641   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
9642   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
9643   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
9644   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
9645   custom_element_change_events[CE_SWITCHED] = FALSE;
9646   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
9647   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
9648   custom_element_change_events[CE_BLOCKED] = FALSE;
9649   custom_element_change_events[CE_IMPACT] = FALSE;
9650   custom_element_change_events[CE_SMASHED] = FALSE;
9651   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
9652   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
9653   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
9654   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
9655   custom_element_change_events[CE_CLICKED_BY_MOUSE] = FALSE;
9656   custom_element_change_events[CE_PRESSED_BY_MOUSE] = FALSE;
9657   custom_element_change_events[custom_element_change.direct_action] =
9658     custom_element_change_events[CE_BY_DIRECT_ACTION];
9659
9660   // set other element action change event from checkbox and selectbox
9661   custom_element_change_events[CE_PLAYER_NEXT_TO_X] = FALSE;
9662   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
9663   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
9664   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
9665   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
9666   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
9667   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
9668   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
9669   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
9670   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
9671   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
9672   custom_element_change_events[CE_NEXT_TO_X] = FALSE;
9673   custom_element_change_events[CE_TOUCHING_X] = FALSE;
9674   custom_element_change_events[CE_HITTING_X] = FALSE;
9675   custom_element_change_events[CE_DIGGING_X] = FALSE;
9676   custom_element_change_events[CE_HIT_BY_X] = FALSE;
9677   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
9678   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
9679   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
9680   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
9681   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
9682   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
9683   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
9684   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
9685   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
9686   custom_element_change_events[CE_MOUSE_CLICKED_ON_X] = FALSE;
9687   custom_element_change_events[CE_MOUSE_PRESSED_ON_X] = FALSE;
9688   custom_element_change_events[custom_element_change.other_action] =
9689     custom_element_change_events[CE_BY_OTHER_ACTION];
9690
9691   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
9692     SET_PROPERTY(element, i, custom_element_properties[i]);
9693
9694   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
9695     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
9696
9697   // copy change events also to special level editor variable
9698   custom_element = element_info[element];
9699   custom_element_change = *element_info[element].change;
9700
9701   // needed here to restore runtime value "element_info[element].gfx_element"
9702   InitElementPropertiesGfxElement();
9703 }
9704
9705 static void CopyGroupElementPropertiesToGame(int element)
9706 {
9707   // mark that this group element has been modified
9708   custom_element.modified_settings = TRUE;
9709   level.changed = TRUE;
9710
9711   if (level.use_custom_template)
9712     AskToCopyAndModifyLevelTemplate();
9713
9714   element_info[element] = custom_element;
9715   *element_info[element].group = group_element_info;
9716
9717   // needed here to restore runtime value "element_info[element].gfx_element"
9718   InitElementPropertiesGfxElement();
9719 }
9720
9721 static void CopyEmptyElementPropertiesToGame(int element)
9722 {
9723   // mark that this empty element has been modified
9724   custom_element.modified_settings = TRUE;
9725   level.changed = TRUE;
9726
9727   if (level.use_custom_template)
9728     AskToCopyAndModifyLevelTemplate();
9729
9730   element_info[element] = custom_element;
9731
9732   // needed here to restore runtime value "element_info[element].gfx_element"
9733   InitElementPropertiesGfxElement();
9734 }
9735
9736 static void CopyClassicElementPropertiesToGame(int element)
9737 {
9738   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
9739     setMoveIntoAcidProperty(&level, element,
9740                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
9741
9742   if (MAYBE_DONT_COLLIDE_WITH(element))
9743     setDontCollideWithProperty(&level, element,
9744                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
9745 }
9746
9747 static void CopyElementPropertiesToGame(int element)
9748 {
9749   if (IS_CUSTOM_ELEMENT(element))
9750     CopyCustomElementPropertiesToGame(element);
9751   else if (IS_GROUP_ELEMENT(element))
9752     CopyGroupElementPropertiesToGame(element);
9753   else if (IS_EMPTY_ELEMENT(element))
9754     CopyEmptyElementPropertiesToGame(element);
9755   else
9756     CopyClassicElementPropertiesToGame(element);
9757 }
9758
9759 #if DEBUG
9760 static void CheckElementDescriptions(void)
9761 {
9762   int i;
9763
9764   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
9765     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
9766       Warn("no element description file for element '%s'", EL_NAME(i));
9767 }
9768 #endif
9769
9770 static int getMaxEdFieldX(boolean has_scrollbar)
9771 {
9772   int scrollbar_width = (has_scrollbar ? ED_SCROLLBUTTON_XSIZE : 0);
9773   int sxsize = SXSIZE - scrollbar_width;
9774   int max_ed_fieldx = sxsize / ed_tilesize;
9775
9776   return max_ed_fieldx;
9777 }
9778
9779 static int getMaxEdFieldY(boolean has_scrollbar)
9780 {
9781   int infotext_height = (IN_PIX_FIELD(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY) ?
9782                          INFOTEXT_YSIZE_FULL : 0);
9783   int scrollbar_height = (has_scrollbar ? ED_SCROLLBUTTON_YSIZE : 0);
9784   int sysize = SYSIZE - scrollbar_height - infotext_height;
9785   int max_ed_fieldy = sysize / ed_tilesize;
9786
9787   return max_ed_fieldy;
9788 }
9789
9790 static void InitZoomLevelSettings(int zoom_tilesize)
9791 {
9792   static int last_game_engine_type = GAME_ENGINE_TYPE_UNKNOWN;
9793
9794   if (zoom_tilesize == -1 && level.game_engine_type != last_game_engine_type)
9795   {
9796     ed_tilesize = setup.auto_setup.editor_zoom_tilesize;
9797     ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
9798
9799     // make sure that tile size is always a power of 2
9800     ed_tilesize = (1 << log_2(ed_tilesize));
9801
9802     if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
9803     {
9804       ed_tilesize = DEFAULT_EDITOR_TILESIZE_MM;
9805       ed_tilesize_default = DEFAULT_EDITOR_TILESIZE_MM;
9806     }
9807   }
9808
9809   last_game_engine_type = level.game_engine_type;
9810
9811   // limit zoom tilesize by upper and lower bound
9812   ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
9813
9814   // store zoom tilesize in auto setup file only if it was manually changed
9815   if (zoom_tilesize != -1)
9816     setup.auto_setup.editor_zoom_tilesize = ed_tilesize;
9817
9818   MAX_ED_FIELDX = getMaxEdFieldX(FALSE);
9819   MAX_ED_FIELDY = getMaxEdFieldY(FALSE);
9820 }
9821
9822 static void InitDrawingElements(void)
9823 {
9824   static int game_engine_type_last = GAME_ENGINE_TYPE_UNKNOWN;
9825
9826   if (level.game_engine_type == game_engine_type_last)
9827     return;
9828
9829   if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
9830   {
9831     new_element1 = EL_BD_WALL;
9832     new_element2 = EL_EMPTY;
9833     new_element3 = EL_BD_SAND;
9834   }
9835   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
9836   {
9837     new_element1 = EL_SP_CHIP_SINGLE;
9838     new_element2 = EL_EMPTY;
9839     new_element3 = EL_SP_BASE;
9840   }
9841   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
9842   {
9843     new_element1 = EL_MM_MIRROR_START;
9844     new_element2 = EL_EMPTY;
9845     new_element3 = EL_MM_WOODEN_WALL;
9846   }
9847   else
9848   {
9849     new_element1 = EL_WALL;
9850     new_element2 = EL_EMPTY;
9851     new_element3 = EL_SAND;
9852   }
9853
9854   game_engine_type_last = level.game_engine_type;
9855 }
9856
9857 static void InitLevelSetInfo(void)
9858 {
9859   snprintf(levelset_name,   MAX_LEVEL_NAME_LEN + 1,
9860            "%s", leveldir_current->name);
9861   snprintf(levelset_author, MAX_LEVEL_AUTHOR_LEN + 1,
9862            "%s", leveldir_current->author);
9863
9864   levelset_num_levels = leveldir_current->levels;
9865
9866   levelset_use_levelset_artwork = FALSE;
9867   levelset_copy_level_template = FALSE;
9868
9869   levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
9870 }
9871
9872 static void ChangeEditorToLevelSet(char *levelset_subdir)
9873 {
9874   leveldir_current = getTreeInfoFromIdentifier(leveldir_first, levelset_subdir);
9875
9876   // the previous level set might have used custom artwork
9877   ReloadCustomArtwork(0);
9878
9879   LoadLevelSetup_SeriesInfo();
9880
9881   SaveLevelSetup_LastSeries();
9882   SaveLevelSetup_SeriesInfo();
9883
9884   TapeErase();
9885
9886   LoadLevel(level_nr);
9887   LoadScore(level_nr);
9888
9889   DrawLevelEd();
9890 }
9891
9892 static boolean useEditorDoorAnimation(void)
9893 {
9894   struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
9895   boolean door_1_viewport_unchanged =
9896     (vp_door_1->x      == DX     &&
9897      vp_door_1->y      == DY     &&
9898      vp_door_1->width  == DXSIZE &&
9899      vp_door_1->height == DYSIZE);
9900   boolean door_1_contains_toolbox =
9901     (EX >= DX &&
9902      EY >= DY &&
9903      EX + EXSIZE <= DX + DXSIZE &&
9904      EY + EYSIZE <= DY + DYSIZE);
9905
9906   return (door_1_viewport_unchanged && door_1_contains_toolbox);
9907 }
9908
9909 static void DrawEditorDoorBackground(int graphic, int x, int y,
9910                                      int width, int height)
9911 {
9912   struct GraphicInfo *g = &graphic_info[graphic];
9913
9914   if (g->bitmap != NULL)
9915     BlitBitmap(g->bitmap, drawto, g->src_x, g->src_y,
9916                MIN(width, g->width), MIN(height, g->height), x, y);
9917   else
9918     ClearRectangle(drawto, x, y, width, height);
9919 }
9920
9921 static void DrawEditorDoorContent(void)
9922 {
9923   // needed for gadgets drawn on background (like palette scrollbar)
9924   SetDoorBackgroundImage(IMG_UNDEFINED);
9925
9926   // copy default editor door content to main double buffer
9927   DrawEditorDoorBackground(IMG_BACKGROUND_PALETTE, DX, DY, DXSIZE, DYSIZE);
9928
9929   // draw bigger door
9930   DrawSpecialEditorDoor();
9931
9932   // draw new control window
9933   DrawEditorDoorBackground(IMG_BACKGROUND_TOOLBOX, EX, EY, EXSIZE, EYSIZE);
9934
9935   // draw all toolbox gadgets to editor doors
9936   MapControlButtons();
9937
9938   // when returning from test game to properties page, redraw toolbox gadgets
9939   if (edit_mode == ED_MODE_PROPERTIES)
9940   {
9941     UnmapLevelEditorToolboxDrawingGadgets();
9942     UnmapLevelEditorToolboxCustomGadgets();
9943
9944     MapLevelEditorToolboxCustomGadgetsIfNeeded();
9945   }
9946
9947   // draw all palette gadgets to editor doors
9948   ModifyEditorElementList();
9949   RedrawDrawingElements();
9950
9951   // copy actual editor door content to door double buffer for OpenDoor()
9952   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
9953 }
9954
9955 void DrawLevelEd(void)
9956 {
9957   int fade_mask = REDRAW_FIELD;
9958
9959   FadeSoundsAndMusic();
9960
9961   if (CheckFadeAll())
9962     fade_mask = REDRAW_ALL;
9963
9964   FadeOut(fade_mask);
9965
9966   // needed if different viewport properties defined for editor
9967   ChangeViewportPropertiesIfNeeded();
9968
9969   ClearField();
9970
9971   InitZoomLevelSettings(-1);
9972   InitDrawingElements();
9973   InitLevelSetInfo();
9974
9975 #if DEBUG
9976   CheckElementDescriptions();
9977 #endif
9978
9979   if (level_editor_test_game)
9980   {
9981     CopyPlayfield(level.field, Tile);
9982     CopyPlayfield(TileBackup, level.field);
9983
9984     level_editor_test_game = FALSE;
9985   }
9986   else
9987   {
9988     edit_mode = ED_MODE_DRAWING;
9989     edit_mode_levelconfig = ED_MODE_LEVELCONFIG_LEVEL;
9990     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
9991
9992     ResetUndoBuffer();
9993
9994     level_xpos = -1;
9995     level_ypos = -1;
9996   }
9997
9998   // redraw_mask |= REDRAW_ALL;
9999
10000   FreeLevelEditorGadgets();
10001   CreateLevelEditorGadgets();
10002
10003   ReinitializeElementList();            // update dynamic level element list
10004   ReinitializeElementListButtons();     // custom element may look different
10005
10006   InitElementPropertiesGfxElement();
10007
10008   UnmapAllGadgets();
10009
10010   DrawEditModeWindow_PlayfieldOnly();
10011
10012   DrawMaskedBorder(fade_mask);
10013
10014   // use door animation if door 1 viewport is unchanged and contains toolbox
10015   if (useEditorDoorAnimation())
10016   {
10017     FadeIn(fade_mask);
10018
10019     DrawEditorDoorContent();
10020
10021     OpenDoor(DOOR_OPEN_1 | DOOR_FORCE_ANIM);
10022   }
10023   else
10024   {
10025     DrawEditorDoorContent();
10026
10027     FadeIn(fade_mask);
10028   }
10029
10030   SetDoorState(DOOR_OPEN_1 | DOOR_OPEN_2);
10031 }
10032
10033 static void AdjustDrawingAreaGadgets(void)
10034 {
10035   int ed_xsize = lev_fieldx + 2;
10036   int ed_ysize = lev_fieldy + 2;
10037   int max_ed_fieldx = MAX_ED_FIELDX;
10038   int max_ed_fieldy = MAX_ED_FIELDY;
10039   boolean horizontal_scrollbar_needed;
10040   boolean vertical_scrollbar_needed;
10041   int x, y, width, height;
10042
10043   if (suppressBorderElement())
10044   {
10045     ed_xsize = lev_fieldx;
10046     ed_ysize = lev_fieldy;
10047   }
10048
10049   // check if we need any scrollbars
10050   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
10051   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
10052
10053   // check if we have a smaller editor field because of scrollbars
10054   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
10055   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
10056
10057   // check again if we now need more scrollbars because of less space
10058   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
10059   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
10060
10061   // check if editor field gets even smaller after adding new scrollbars
10062   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
10063   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
10064
10065   ed_fieldx = (ed_xsize > max_ed_fieldx ? max_ed_fieldx : ed_xsize);
10066   ed_fieldy = (ed_ysize > max_ed_fieldy ? max_ed_fieldy : ed_ysize);
10067
10068   x = SX + ed_fieldx * ed_tilesize;
10069   y = SY + ed_fieldy * ed_tilesize;
10070
10071   width  = ed_fieldx * ed_tilesize - 2 * ED_SCROLLBUTTON_XSIZE;
10072   height = ed_fieldy * ed_tilesize - 2 * ED_SCROLLBUTTON_YSIZE;
10073
10074   // adjust drawing area gadget
10075   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
10076                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
10077                GDI_ITEM_SIZE, ed_tilesize, ed_tilesize,
10078                GDI_END);
10079
10080   // adjust horizontal scrollbar gadgets
10081   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LEFT],
10082                GDI_Y, y,
10083                GDI_END);
10084   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT],
10085                GDI_X, x - ED_SCROLLBUTTON_XSIZE,
10086                GDI_Y, y,
10087                GDI_END);
10088   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
10089                GDI_Y, y,
10090                GDI_WIDTH, width,
10091                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
10092                GDI_END);
10093
10094   // adjust vertical scrollbar gadgets
10095   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_UP],
10096                GDI_X, x,
10097                GDI_END);
10098   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN],
10099                GDI_X, x,
10100                GDI_Y, y - ED_SCROLLBUTTON_YSIZE,
10101                GDI_END);
10102   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
10103                GDI_X, x,
10104                GDI_HEIGHT, height,
10105                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
10106                GDI_END);
10107 }
10108
10109 static void AdjustLevelScrollPosition(void)
10110 {
10111   if (level_xpos < -1)
10112     level_xpos = -1;
10113   if (level_xpos > lev_fieldx - ed_fieldx + 1)
10114     level_xpos = lev_fieldx - ed_fieldx + 1;
10115   if (lev_fieldx < ed_fieldx - 2)
10116     level_xpos = -1;
10117
10118   if (level_ypos < -1)
10119     level_ypos = -1;
10120   if (level_ypos > lev_fieldy - ed_fieldy + 1)
10121     level_ypos = lev_fieldy - ed_fieldy + 1;
10122   if (lev_fieldy < ed_fieldy - 2)
10123     level_ypos = -1;
10124
10125   if (suppressBorderElement())
10126   {
10127     level_xpos = 0;
10128     level_ypos = 0;
10129   }
10130 }
10131
10132 static void AdjustEditorScrollbar(int id)
10133 {
10134   struct GadgetInfo *gi = level_editor_gadget[id];
10135   int items_max, items_visible, item_position;
10136
10137   if (id == GADGET_ID_SCROLL_HORIZONTAL)
10138   {
10139     items_max = MAX(lev_fieldx + 2, ed_fieldx);
10140     items_visible = ed_fieldx;
10141     item_position = level_xpos + 1;
10142   }
10143   else
10144   {
10145     items_max = MAX(lev_fieldy + 2, ed_fieldy);
10146     items_visible = ed_fieldy;
10147     item_position = level_ypos + 1;
10148   }
10149
10150   if (item_position > items_max - items_visible)
10151     item_position = items_max - items_visible;
10152
10153   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
10154                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
10155 }
10156
10157 static void AdjustElementListScrollbar(void)
10158 {
10159   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
10160   int items_max, items_visible, item_position;
10161
10162   // correct position of element list scrollbar
10163   if (element_shift < 0)
10164     element_shift = 0;
10165   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
10166     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
10167
10168   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
10169   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
10170   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
10171
10172   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
10173                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
10174                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
10175 }
10176
10177 static void ModifyEditorCounterValue(int counter_id, int new_value)
10178 {
10179   int *counter_value = counterbutton_info[counter_id].value;
10180   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
10181   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10182
10183   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
10184
10185   if (counter_value != NULL)
10186     *counter_value = gi->textinput.number_value;
10187 }
10188
10189 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
10190 {
10191   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
10192   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10193
10194   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
10195
10196   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
10197       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
10198   {
10199     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
10200     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
10201
10202     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
10203     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_SMALL_DISTANCE,
10204                  GDI_END);
10205   }
10206 }
10207
10208 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
10209 {
10210   int gadget_id = selectbox_info[selectbox_id].gadget_id;
10211   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10212   int new_index_value = setSelectboxValue(selectbox_id, new_value);
10213
10214   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
10215 }
10216
10217 static void ModifyEditorSelectboxOptions(int selectbox_id,
10218                                          struct ValueTextInfo *options)
10219 {
10220   int gadget_id = selectbox_info[selectbox_id].gadget_id;
10221   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10222
10223   selectbox_info[selectbox_id].options = options;
10224
10225   // set index to zero -- list may be shorter now (correct later, if needed)
10226   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
10227                GDI_SELECTBOX_OPTIONS, options, GDI_END);
10228 }
10229
10230 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
10231 {
10232   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
10233   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10234
10235   drawingarea_info[drawingarea_id].area_xsize = xsize;
10236   drawingarea_info[drawingarea_id].area_ysize = ysize;
10237
10238   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
10239 }
10240
10241 static void ModifyEditorElementList(void)
10242 {
10243   int i;
10244
10245   if (!use_permanent_palette && edit_mode != ED_MODE_PALETTE)
10246     return;
10247
10248   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
10249   {
10250     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
10251     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10252     struct GadgetDesign *gd = &gi->deco.design;
10253     int element = editor_elements[element_shift + i];
10254     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
10255
10256     UnmapGadget(gi);
10257
10258     getEditorGraphicSource(element, tile_size, &gd->bitmap, &gd->x, &gd->y);
10259
10260     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
10261
10262     MapGadget(gi);
10263   }
10264 }
10265
10266 static void DrawDrawingElementGraphic(int element, struct XYTileSize *pos)
10267 {
10268   int graphic = el2edimg(element);
10269   int tile_size = BUTTON_TILE_SIZE(pos->tile_size);
10270
10271   if (pos->x == -1 &&
10272       pos->y == -1)
10273     return;
10274
10275   DrawSizedGraphicExt(drawto, DX + pos->x, DY + pos->y, graphic, 0, tile_size);
10276 }
10277
10278 static void ModifyDrawingElementButton(int element, int id)
10279 {
10280   struct GadgetInfo *gi = level_editor_gadget[id];
10281   Bitmap *deco_bitmap;
10282   int deco_x, deco_y;
10283   int tile_size = gi->deco.width;
10284
10285   getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
10286
10287   ModifyGadget(gi, GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y, GDI_END);
10288 }
10289
10290 static void PickDrawingElement(int button, int element)
10291 {
10292   struct
10293   {
10294     int *new_element;
10295     struct XYTileSize *pos;
10296     int id;
10297   } de, drawing_elements[] =
10298   {
10299     { &new_element1, &editor.palette.element_left,   GADGET_ID_ELEMENT_LEFT   },
10300     { &new_element2, &editor.palette.element_middle, GADGET_ID_ELEMENT_MIDDLE },
10301     { &new_element3, &editor.palette.element_right,  GADGET_ID_ELEMENT_RIGHT  },
10302   };
10303
10304   if (button < 1 || button > 3)
10305     return;
10306
10307   if (IS_MM_WALL(element))
10308     element = map_mm_wall_element(element);
10309
10310   de = drawing_elements[button - 1];
10311
10312   *de.new_element = element;    // update global drawing element variable
10313
10314   DrawDrawingElementGraphic(element, de.pos);
10315   ModifyDrawingElementButton(element, de.id);
10316
10317   redraw_mask |= REDRAW_DOOR_1;
10318 }
10319
10320 static void RedrawDrawingElements(void)
10321 {
10322   PickDrawingElement(1, new_element1);
10323   PickDrawingElement(2, new_element2);
10324   PickDrawingElement(3, new_element3);
10325 }
10326
10327 static void DrawDrawingWindowExt(boolean remap_toolbox_gadgets)
10328 {
10329   stick_element_properties_window = FALSE;
10330
10331   SetMainBackgroundImage(IMG_UNDEFINED);
10332   ClearField();
10333
10334   UnmapLevelEditorFieldGadgets();
10335
10336   AdjustDrawingAreaGadgets();
10337   AdjustLevelScrollPosition();
10338   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
10339   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
10340
10341   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10342
10343   MapMainDrawingArea();
10344
10345   if (remap_toolbox_gadgets)
10346   {
10347     UnmapLevelEditorToolboxCustomGadgets();
10348     MapLevelEditorToolboxDrawingGadgets();
10349   }
10350 }
10351
10352 static void DrawDrawingWindow(void)
10353 {
10354   DrawDrawingWindowExt(TRUE);
10355 }
10356
10357 static int getTabulatorBarWidth(void)
10358 {
10359   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
10360   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
10361
10362   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
10363 }
10364
10365 static int getTabulatorBarHeight(void)
10366 {
10367   return ED_TAB_BAR_HEIGHT;
10368 }
10369
10370 static Pixel getTabulatorBarColor(void)
10371 {
10372   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELCONFIG_LEVEL];
10373   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
10374   int gd_x = gd->x + gd_gi1->border.width / 2;
10375   int gd_y = gd->y + gd_gi1->height - 1;
10376
10377   return GetPixel(gd->bitmap, gd_x, gd_y);
10378 }
10379
10380 static void DrawLevelConfigTabulatorGadgets(void)
10381 {
10382   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELCONFIG_LEVEL];
10383   Pixel tab_color = getTabulatorBarColor();
10384   int id_first = ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL;
10385   int id_last  = ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR;
10386   int i;
10387
10388   // draw additional "engine" tabulator when using native BD engine
10389   if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
10390     id_last = ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE;
10391
10392   for (i = id_first; i <= id_last; i++)
10393   {
10394     int gadget_id = textbutton_info[i].gadget_id;
10395     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10396     boolean active = (i != edit_mode_levelconfig);
10397
10398     // draw background line below tabulator button
10399     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
10400
10401     // draw solid line below inactive tabulator buttons
10402     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
10403       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
10404                     ED_GADGET_TINY_DISTANCE, tab_color);
10405
10406     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
10407     MapTextbuttonGadget(i);
10408   }
10409
10410   // draw little border line below tabulator buttons
10411   if (tab_color != BLACK_PIXEL)                 // black => transparent
10412     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
10413                   ED_GADGET_TINY_DISTANCE,
10414                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
10415 }
10416
10417 static void DrawPropertiesTabulatorGadgets(void)
10418 {
10419   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
10420   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
10421   int gd_x = gd->x + gd_gi1->border.width / 2;
10422   int gd_y = gd->y + gd_gi1->height - 1;
10423   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
10424   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
10425   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
10426   int i;
10427
10428   // draw two config tabulators for player elements
10429   if (IS_PLAYER_ELEMENT(properties_element))
10430     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
10431
10432   // draw two config and one "change" tabulator for custom elements
10433   if (IS_CUSTOM_ELEMENT(properties_element))
10434     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
10435
10436   for (i = id_first; i <= id_last; i++)
10437   {
10438     int gadget_id = textbutton_info[i].gadget_id;
10439     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10440     boolean active = (i != edit_mode_properties);
10441
10442     // use "config 1" and "config 2" instead of "config" for players and CEs
10443     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
10444         (IS_PLAYER_ELEMENT(properties_element) ||
10445          IS_CUSTOM_ELEMENT(properties_element)))
10446       continue;
10447
10448     // draw background line below tabulator button
10449     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
10450
10451     // draw solid line below inactive tabulator buttons
10452     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
10453       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
10454                     ED_GADGET_TINY_DISTANCE, tab_color);
10455
10456     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
10457     MapTextbuttonGadget(i);
10458   }
10459
10460   // draw little border line below tabulator buttons
10461   if (tab_color != BLACK_PIXEL)                 // black => transparent
10462     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
10463                   ED_GADGET_TINY_DISTANCE,
10464                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
10465 }
10466
10467 static void PrintInfoText(char *text, int font_nr, int xpos, int ypos)
10468 {
10469   DrawText(SX + xpos, SY + ypos, text, font_nr);
10470 }
10471
10472 static int PrintElementDescriptionFromFile(char *filename, int font_nr,
10473                                            int xpos, int ypos)
10474 {
10475   int font_width = getFontWidth(font_nr);
10476   int font_height = getFontHeight(font_nr);
10477   int max_chars_per_line = (SXSIZE - 2 * xpos) / font_width;
10478   int max_lines_drawable = (SYSIZE - ypos) / font_height - 1;
10479
10480   return DrawTextFile(SX + xpos, SY + ypos, filename, font_nr,
10481                       max_chars_per_line, -1, max_lines_drawable, 0, -1,
10482                       TRUE, FALSE, FALSE);
10483 }
10484
10485 static void DrawLevelConfigLevel(void)
10486 {
10487   int i;
10488
10489   // draw counter gadgets
10490   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
10491     MapCounterButtons(i);
10492
10493   // draw checkbutton gadgets
10494   for (i = ED_CHECKBUTTON_ID_LEVEL_FIRST; i<= ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
10495     MapCheckbuttonGadget(i);
10496
10497   // draw selectbox gadgets
10498   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
10499     MapSelectboxGadget(i);
10500
10501   // draw text input gadgets
10502   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
10503     MapTextInputGadget(i);
10504 }
10505
10506 static char *getLevelSubdirFromSaveMode(int save_mode)
10507 {
10508   if (save_mode == LEVELSET_SAVE_MODE_CREATE)
10509     return getNewUserLevelSubdir();
10510
10511   return leveldir_current->subdir;
10512 }
10513
10514 static void DrawLevelConfigLevelSet_DirectoryInfo(void)
10515 {
10516   char *directory_text = "Level set directory:";
10517   char *directory_name = getLevelSubdirFromSaveMode(levelset_save_mode);
10518   int font1_nr = FONT_TEXT_1;
10519   int font2_nr = FONT_TEXT_2;
10520   int font1_height = getFontHeight(font1_nr);
10521   int yoffset_above = font1_height + ED_GADGET_LINE_DISTANCE;
10522   int x = ED_LEVEL_SETTINGS_X(0);
10523   int y = ED_LEVEL_SETTINGS_Y(6);
10524
10525   PrintInfoText(directory_text, font1_nr, x, y - yoffset_above);
10526   PrintInfoText(directory_name, font2_nr, x, y);
10527 }
10528
10529 static void DrawLevelConfigLevelSet(void)
10530 {
10531   boolean artwork_exists = checkIfCustomArtworkExistsForCurrentLevelSet();
10532   boolean template_exists = fileExists(getLocalLevelTemplateFilename());
10533   int i;
10534
10535   // draw counter gadgets
10536   for (i = ED_COUNTER_ID_LEVELSET_FIRST; i <= ED_COUNTER_ID_LEVELSET_LAST; i++)
10537     MapCounterButtons(i);
10538
10539   // draw checkbutton gadgets
10540   for (i = ED_CHECKBUTTON_ID_LEVELSET_FIRST; i <= ED_CHECKBUTTON_ID_LEVELSET_LAST; i++)
10541   {
10542     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE ||
10543         (i == ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK && !artwork_exists) ||
10544         (i == ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE  && !template_exists))
10545       continue;
10546
10547     MapCheckbuttonGadget(i);
10548   }
10549
10550   // draw selectbox gadgets
10551   for (i = ED_SELECTBOX_ID_LEVELSET_FIRST; i <= ED_SELECTBOX_ID_LEVELSET_LAST; i++)
10552     MapSelectboxGadget(i);
10553
10554   // draw text input gadgets
10555   for (i = ED_TEXTINPUT_ID_LEVELSET_FIRST; i <= ED_TEXTINPUT_ID_LEVELSET_LAST; i++)
10556     MapTextInputGadget(i);
10557
10558   // draw textbutton gadgets
10559   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_LEVELSET);
10560
10561   // draw info text
10562   DrawLevelConfigLevelSet_DirectoryInfo();
10563 }
10564
10565 static void DrawLevelConfigEditor(void)
10566 {
10567   int i;
10568
10569   // draw counter gadgets
10570   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
10571     MapCounterButtons(i);
10572
10573   // draw checkbutton gadgets
10574   for (i = ED_CHECKBUTTON_ID_EDITOR_FIRST; i <= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
10575     MapCheckbuttonGadget(i);
10576
10577   // draw radiobutton gadgets
10578   for (i = ED_RADIOBUTTON_ID_EDITOR_FIRST; i <= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
10579     MapRadiobuttonGadget(i);
10580
10581   // draw drawing area
10582   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
10583
10584   // draw textbutton gadgets
10585   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2);
10586 }
10587
10588 static void DrawLevelConfigEngine(void)
10589 {
10590   int i;
10591
10592   // draw counter gadgets
10593   if (level.bd_scheduling_type == GD_SCHEDULING_MILLISECONDS)
10594   {
10595     MapCounterButtons(ED_COUNTER_ID_BD_CYCLE_DELAY_MS);
10596     MapCounterButtons(ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES);
10597   }
10598   else
10599   {
10600     MapCounterButtons(ED_COUNTER_ID_BD_CYCLE_DELAY_C64);
10601     MapCounterButtons(ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS);
10602   }
10603
10604   // draw checkbutton gadgets
10605   for (i = ED_CHECKBUTTON_ID_ENGINE_FIRST; i <= ED_CHECKBUTTON_ID_ENGINE_LAST; i++)
10606     MapCheckbuttonGadget(i);
10607
10608   // draw selectbox gadgets
10609   for (i = ED_SELECTBOX_ID_ENGINE_FIRST; i <= ED_SELECTBOX_ID_ENGINE_LAST; i++)
10610     MapSelectboxGadget(i);
10611 }
10612
10613 static void DrawLevelConfigWindow(void)
10614 {
10615   char *text = "Global Settings";
10616   int font_nr = FONT_TITLE_1;
10617   struct MenuPosInfo *pos = &editor.settings.headline;
10618   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font_nr), pos->align);
10619   int sy = SY + pos->y;
10620
10621   stick_element_properties_window = FALSE;
10622
10623   SetAutomaticNumberOfGemsNeeded();
10624
10625   UnmapLevelEditorFieldGadgets();
10626
10627   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
10628   ClearField();
10629
10630   DrawText(sx, sy, text, font_nr);
10631
10632   DrawLevelConfigTabulatorGadgets();
10633
10634   if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_LEVEL)
10635     DrawLevelConfigLevel();
10636   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_LEVELSET)
10637     DrawLevelConfigLevelSet();
10638   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_EDITOR)
10639     DrawLevelConfigEditor();
10640   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_ENGINE)
10641     DrawLevelConfigEngine();
10642 }
10643
10644 static void DrawCustomContentArea(void)
10645 {
10646   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
10647   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
10648   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
10649   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
10650   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
10651   int xoffset = ED_GADGET_SPACE_DISTANCE;
10652
10653   // add distance for potential left text (without drawing area border)
10654   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
10655
10656   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
10657
10658   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
10659 }
10660
10661 static void DrawCustomChangeContentArea(void)
10662 {
10663   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
10664   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
10665   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
10666   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
10667   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
10668   int xoffset = ED_GADGET_SPACE_DISTANCE;
10669
10670   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
10671
10672   MapDrawingArea(id);
10673 }
10674
10675 static void RemoveElementContentArea(int id, int font_height)
10676 {
10677   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10678
10679   DrawBackground(SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size,
10680                  SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size,
10681                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10682                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size +
10683                  ED_GADGET_TEXT_DISTANCE + font_height);
10684 }
10685
10686 static void DrawYamYamContentAreas(void)
10687 {
10688   int font_nr = FONT_TEXT_1;
10689   int font_height = getFontHeight(font_nr);
10690   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
10691   int yoffset = (tilesize - font_height) / 2;
10692   int x = SX + ED_AREA_YAMYAM_CONTENT_X(3) + 4 * tilesize;
10693   int y = SY + ED_AREA_YAMYAM_CONTENT_Y(3) + yoffset;
10694   int i;
10695
10696   // display counter to choose number of element content areas
10697   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
10698
10699   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
10700   {
10701     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
10702
10703     if (i < level.num_yamyam_contents)
10704     {
10705       MapDrawingArea(id);
10706     }
10707     else
10708     {
10709       UnmapDrawingArea(id);
10710
10711       // delete content areas in case of reducing number of them
10712       RemoveElementContentArea(id, font_height);
10713     }
10714   }
10715
10716   DrawText(x, y + 0 * tilesize, "content", font_nr);
10717   DrawText(x, y + 1 * tilesize, "when",    font_nr);
10718   DrawText(x, y + 2 * tilesize, "smashed", font_nr);
10719 }
10720
10721 static void DrawMagicBallContentAreas(void)
10722 {
10723   int font_nr = FONT_TEXT_1;
10724   int font_height = getFontHeight(font_nr);
10725   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
10726   int yoffset = (tilesize - font_height) / 2;
10727   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_X(3) + 4 * tilesize;
10728   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_Y(3) + yoffset;
10729   int i;
10730
10731   // display counter to choose number of element content areas
10732   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
10733
10734   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
10735   {
10736     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
10737
10738     if (i < level.num_ball_contents)
10739     {
10740       MapDrawingArea(id);
10741     }
10742     else
10743     {
10744       UnmapDrawingArea(id);
10745
10746       // delete content areas in case of reducing number of them
10747       RemoveElementContentArea(id, font_height);
10748     }
10749   }
10750
10751   DrawText(x, y + 0 * tilesize, "generated", font_nr);
10752   DrawText(x, y + 1 * tilesize, "when",      font_nr);
10753   DrawText(x, y + 2 * tilesize, "active",    font_nr);
10754 }
10755
10756 static void DrawAndroidElementArea(void)
10757 {
10758   int id = ED_DRAWING_ID_ANDROID_CONTENT;
10759   int num_elements = level.num_android_clone_elements;
10760   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10761   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
10762   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
10763   int xsize = MAX_ANDROID_ELEMENTS;
10764   int ysize = 1;
10765
10766   // display counter to choose number of element areas
10767   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
10768
10769   if (drawingarea_info[id].text_left != NULL)
10770     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
10771
10772   UnmapDrawingArea(id);
10773
10774   ModifyEditorDrawingArea(id, num_elements, 1);
10775
10776   // delete content areas in case of reducing number of them
10777   DrawBackground(sx, sy,
10778                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10779                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
10780
10781   MapDrawingArea(id);
10782 }
10783
10784 static void DrawGroupElementArea(void)
10785 {
10786   int id = ED_DRAWING_ID_GROUP_CONTENT;
10787   int num_elements = group_element_info.num_elements;
10788   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10789   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
10790   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
10791   int xsize = MAX_ELEMENTS_IN_GROUP;
10792   int ysize = 1;
10793
10794   if (drawingarea_info[id].text_left != NULL)
10795     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
10796
10797   UnmapDrawingArea(id);
10798
10799   ModifyEditorDrawingArea(id, num_elements, 1);
10800
10801   // delete content areas in case of reducing number of them
10802   DrawBackground(sx, sy,
10803                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10804                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
10805
10806   MapDrawingArea(id);
10807 }
10808
10809 static void DrawPlayerInitialInventoryArea(int element)
10810 {
10811   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
10812   int player_nr = GET_PLAYER_NR(element);
10813   int num_elements = level.initial_inventory_size[player_nr];
10814   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10815   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
10816   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
10817   int xsize = MAX_INITIAL_INVENTORY_SIZE;
10818   int ysize = 1;
10819
10820   // determine horizontal position to the right of specified gadget
10821   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
10822     sx = (right_gadget_border[drawingarea_info[id].gadget_id_align] +
10823           ED_DRAWINGAREA_TEXT_DISTANCE);
10824
10825   // determine horizontal offset for leading text
10826   if (drawingarea_info[id].text_left != NULL)
10827     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
10828
10829   UnmapDrawingArea(id);
10830
10831   ModifyEditorDrawingArea(id, num_elements, 1);
10832
10833   // delete content areas in case of reducing number of them
10834   DrawBackground(sx, sy,
10835                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10836                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
10837
10838   MapDrawingArea(id);
10839 }
10840
10841 static void DrawMMBallContentArea(void)
10842 {
10843   int id = ED_DRAWING_ID_MM_BALL_CONTENT;
10844   int num_elements = level.num_mm_ball_contents;
10845   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10846   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
10847   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
10848   int xsize = MAX_MM_BALL_CONTENTS;
10849   int ysize = 1;
10850
10851   if (drawingarea_info[id].text_left != NULL)
10852     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
10853
10854   UnmapDrawingArea(id);
10855
10856   ModifyEditorDrawingArea(id, num_elements, 1);
10857
10858   // delete content areas in case of reducing number of them
10859   DrawBackground(sx, sy,
10860                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10861                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
10862
10863   MapDrawingArea(id);
10864 }
10865
10866 static void DrawEnvelopeTextArea(int envelope_nr)
10867 {
10868   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
10869   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
10870
10871   UnmapGadget(gi);
10872
10873   DrawBackground(gi->x, gi->y,
10874                  gi->textarea.crop_width, gi->textarea.crop_height);
10875
10876   if (envelope_nr != -1)
10877     textarea_info[id].value = level.envelope[envelope_nr].text;
10878
10879   ModifyGadget(gi, GDI_AREA_SIZE,
10880                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
10881                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
10882                GDI_END);
10883
10884   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
10885 }
10886
10887 static void DrawPropertiesInfo(void)
10888 {
10889   static struct
10890   {
10891     int value;
10892     char *text;
10893   }
10894   properties[] =
10895   {
10896     // configurable properties
10897
10898     { EP_WALKABLE_OVER,         "- player can walk over it"             },
10899     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
10900     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
10901     { EP_PASSABLE_OVER,         "- player can pass over it"             },
10902     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
10903     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
10904     { EP_PROTECTED,             "- player is protected by it"           },
10905
10906     { EP_DIGGABLE,              "- can be digged away"                  },
10907     { EP_COLLECTIBLE,           "- can be collected"                    },
10908     { EP_DROPPABLE,             "- can be dropped after collecting"     },
10909     { EP_THROWABLE,             "- can be thrown after collecting"      },
10910     { EP_PUSHABLE,              "- can be pushed"                       },
10911
10912     { EP_CAN_FALL,              "- can fall"                            },
10913     { EP_CAN_MOVE,              "- can move"                            },
10914
10915     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
10916 #if 0
10917     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
10918 #endif
10919     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
10920
10921     { EP_SLIPPERY,              "- slippery for falling elements"       },
10922     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
10923
10924     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
10925     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
10926     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
10927     { EP_DONT_TOUCH,            "- deadly when touching"                },
10928
10929     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
10930
10931     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
10932     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
10933     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
10934
10935     { EP_CAN_CHANGE,            "- can change to other element"         },
10936
10937     // pre-defined properties
10938     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
10939     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
10940     { EP_SWITCHABLE,            "- can be switched"                     },
10941 #if 0
10942     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
10943 #endif
10944
10945     { -1,                       NULL                                    }
10946   };
10947   char *filename = getElementDescriptionFilename(properties_element);
10948   char *num_elements_text = "In this level: ";
10949   char *num_similar_text = "Similar tiles: ";
10950   char *properties_text = "Standard properties: ";
10951   char *description_text = "Description:";
10952   char *no_description_text = "No description available.";
10953   char *none_text = "None";
10954   float percentage;
10955   int num_elements_in_level = 0;
10956   int num_similar_in_level = 0;
10957   int num_hires_tiles_in_level = 0;
10958   int num_standard_properties = 0;
10959   int font1_nr = FONT_TEXT_1;
10960   int font2_nr = FONT_TEXT_2;
10961   int font1_width = getFontWidth(font1_nr);
10962   int font1_height = getFontHeight(font1_nr);
10963   int font2_height = getFontHeight(font2_nr);
10964   int line1_height = font1_height + ED_GADGET_LINE_DISTANCE;
10965   int font2_yoffset = (font1_height - font2_height) / 2;
10966   int num_elements_text_len = strlen(num_elements_text) * font1_width;
10967   int num_similar_text_len = strlen(num_similar_text) * font1_width;
10968   int properties_text_len = strlen(properties_text) * font1_width;
10969   int xpos = ED_ELEMENT_SETTINGS_X(0);
10970   int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
10971   int i, x, y;
10972
10973   if (setup.editor.show_element_token)
10974   {
10975     int font3_nr = FONT_TEXT_3;
10976     int font3_height = getFontHeight(font3_nr);
10977
10978     DrawTextF(xpos, ypos, font3_nr,
10979               "[%s]", element_info[properties_element].token_name);
10980
10981     ypos += 2 * font3_height;
10982   }
10983
10984   // ----- print number of elements / percentage of this element in level
10985
10986   for (y = 0; y < lev_fieldy; y++)
10987   {
10988     for (x = 0; x < lev_fieldx; x++)
10989     {
10990       if (Tile[x][y] == properties_element)
10991       {
10992         num_elements_in_level++;
10993       }
10994       else if (IS_MM_WALL(Tile[x][y]) &&
10995                map_mm_wall_element(Tile[x][y]) == properties_element)
10996       {
10997         num_hires_tiles_in_level += numHiresTiles(Tile[x][y]);
10998       }
10999     }
11000   }
11001
11002   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
11003
11004   DrawTextS(xpos, ypos, font1_nr, num_elements_text);
11005
11006   if (num_hires_tiles_in_level > 0)
11007     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
11008               "%d wall tiles", num_hires_tiles_in_level);
11009   else if (num_elements_in_level > 0)
11010     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
11011               "%d (%.2f %%)", num_elements_in_level, percentage);
11012   else
11013     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
11014               none_text);
11015
11016   // ----- print number of similar elements / percentage of them in level
11017
11018   for (y = 0; y < lev_fieldy; y++)
11019   {
11020     for (x = 0; x < lev_fieldx; x++)
11021     {
11022       if (strEqual(element_info[Tile[x][y]].class_name,
11023                    element_info[properties_element].class_name))
11024       {
11025         num_similar_in_level++;
11026       }
11027     }
11028   }
11029
11030   if (num_similar_in_level != num_elements_in_level)
11031   {
11032     ypos += 1 * MAX(font1_height, font2_height);
11033
11034     percentage = num_similar_in_level * 100.0 / (lev_fieldx * lev_fieldy);
11035
11036     DrawTextS(xpos, ypos, font1_nr, num_similar_text);
11037
11038     if (num_similar_in_level > 0)
11039       DrawTextF(xpos + num_similar_text_len, ypos + font2_yoffset, font2_nr,
11040                 "%d (%.2f %%)", num_similar_in_level, percentage);
11041     else
11042       DrawTextF(xpos + num_similar_text_len, ypos + font2_yoffset, font2_nr,
11043                 none_text);
11044   }
11045
11046   ypos += 2 * MAX(font1_height, font2_height);
11047
11048   // ----- print standard properties of this element
11049
11050   DrawTextS(xpos, ypos, font1_nr, properties_text);
11051
11052   ypos += line1_height;
11053
11054   for (i = 0; properties[i].value != -1; i++)
11055   {
11056     if (!HAS_PROPERTY(properties_element, properties[i].value))
11057       continue;
11058
11059     DrawTextS(xpos, ypos, font2_nr, properties[i].text);
11060
11061     ypos += font2_height;
11062
11063     num_standard_properties++;
11064   }
11065
11066   if (num_standard_properties == 0)
11067   {
11068     DrawTextS(xpos + properties_text_len, ypos - line1_height + font2_yoffset,
11069               font2_nr, none_text);
11070
11071     ypos -= (line1_height - font1_height);
11072   }
11073
11074   ypos += MAX(font1_height, font2_height);
11075
11076   // ----- print special description of this element
11077
11078   PrintInfoText(description_text, font1_nr, xpos, ypos);
11079
11080   ypos += line1_height;
11081
11082   if (PrintElementDescriptionFromFile(filename, font2_nr, xpos, ypos) == 0)
11083     PrintInfoText(no_description_text, font1_nr, xpos, ypos - line1_height);
11084 }
11085
11086 #define TEXT_COLLECTING         "Score for collecting"
11087 #define TEXT_COLLECTING_EXTRA   "Score for extra diamonds"
11088 #define TEXT_SMASHING           "Score for smashing"
11089 #define TEXT_SLURPING           "Score for slurping robot"
11090 #define TEXT_CRACKING           "Score for cracking"
11091 #define TEXT_AMOEBA_SPEED       "Speed of amoeba growth"
11092 #define TEXT_AMOEBA_THRESHOED   "Size for turning to rocks"
11093 #define TEXT_AMOEBA_SLOW_TIME   "Slow growth time (seconds)"
11094 #define TEXT_AMOEBA_SLOW_RATE   "Slow growth rate (percent)"
11095 #define TEXT_AMOEBA_FAST_RATE   "Fast growth rate (percent)"
11096 #define TEXT_DURATION           "Duration when activated"
11097 #define TEXT_DELAY_ON           "Delay before activating"
11098 #define TEXT_DELAY_OFF          "Delay before deactivating"
11099 #define TEXT_DELAY_CHANGING     "Delay before changing"
11100 #define TEXT_DELAY_EXPLODING    "Delay before exploding"
11101 #define TEXT_DELAY_MOVING       "Delay before moving"
11102 #define TEXT_BALL_DELAY         "Element generation delay"
11103 #define TEXT_MOVE_SPEED         "Speed of android moving"
11104 #define TEXT_CLONE_SPEED        "Speed of android cloning"
11105 #define TEXT_GAME_OF_LIFE_1     "Min neighbours to survive"
11106 #define TEXT_GAME_OF_LIFE_2     "Max neighbours to survive"
11107 #define TEXT_GAME_OF_LIFE_3     "Min neighbours to create"
11108 #define TEXT_GAME_OF_LIFE_4     "Max neighbours to create"
11109 #define TEXT_TIME_BONUS         "Extra time to solve level"
11110 #define TEXT_TIME_PENALTY       "Time penalty if destroyed"
11111 #define TEXT_PERMEABILITY_RATE  "slime permeability rate"
11112 #define TEXT_PERMEABILITY_BITS  "slime permeability bits"
11113 #define TEXT_RANDOM_SEED        "slime random number seed"
11114 #define TEXT_ACID_SPREAD_RATE   "Spread rate (percent)"
11115 #define TEXT_BITER_MOVE_DELAY   "Move delay (BD frames)"
11116 #define TEXT_REPLICATION_DELAY  "Create delay (BD frames)"
11117
11118 static struct
11119 {
11120   int element;
11121   int *value;
11122   char *text;
11123   int min_value;
11124   int max_value;
11125 } elements_with_counter[] =
11126 {
11127   { EL_EMERALD,                 &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11128   { EL_BD_DIAMOND,              &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11129   { EL_BD_DIAMOND,              &level.score[SC_DIAMOND_EXTRA],         TEXT_COLLECTING_EXTRA   },
11130   { EL_EMERALD_YELLOW,          &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11131   { EL_EMERALD_RED,             &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11132   { EL_EMERALD_PURPLE,          &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11133   { EL_SP_INFOTRON,             &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11134   { EL_DIAMOND,                 &level.score[SC_DIAMOND],               TEXT_COLLECTING         },
11135   { EL_CRYSTAL,                 &level.score[SC_CRYSTAL],               TEXT_COLLECTING         },
11136   { EL_PEARL,                   &level.score[SC_PEARL],                 TEXT_COLLECTING         },
11137   { EL_BUG,                     &level.score[SC_BUG],                   TEXT_SMASHING           },
11138   { EL_BUG_RIGHT,               &level.score[SC_BUG],                   TEXT_SMASHING           },
11139   { EL_BUG_UP,                  &level.score[SC_BUG],                   TEXT_SMASHING           },
11140   { EL_BUG_LEFT,                &level.score[SC_BUG],                   TEXT_SMASHING           },
11141   { EL_BUG_DOWN,                &level.score[SC_BUG],                   TEXT_SMASHING           },
11142   { EL_BD_BUTTERFLY,            &level.score[SC_BUG],                   TEXT_SMASHING           },
11143   { EL_BD_BUTTERFLY_RIGHT,      &level.score[SC_BUG],                   TEXT_SMASHING           },
11144   { EL_BD_BUTTERFLY_UP,         &level.score[SC_BUG],                   TEXT_SMASHING           },
11145   { EL_BD_BUTTERFLY_LEFT,       &level.score[SC_BUG],                   TEXT_SMASHING           },
11146   { EL_BD_BUTTERFLY_DOWN,       &level.score[SC_BUG],                   TEXT_SMASHING           },
11147   { EL_SP_ELECTRON,             &level.score[SC_BUG],                   TEXT_SMASHING           },
11148   { EL_SPACESHIP,               &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11149   { EL_SPACESHIP_RIGHT,         &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11150   { EL_SPACESHIP_UP,            &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11151   { EL_SPACESHIP_LEFT,          &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11152   { EL_SPACESHIP_DOWN,          &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11153   { EL_BD_FIREFLY,              &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11154   { EL_BD_FIREFLY_RIGHT,        &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11155   { EL_BD_FIREFLY_UP,           &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11156   { EL_BD_FIREFLY_LEFT,         &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11157   { EL_BD_FIREFLY_DOWN,         &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11158   { EL_SP_SNIKSNAK,             &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11159   { EL_YAMYAM,                  &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11160   { EL_YAMYAM_LEFT,             &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11161   { EL_YAMYAM_RIGHT,            &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11162   { EL_YAMYAM_UP,               &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11163   { EL_YAMYAM_DOWN,             &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11164   { EL_DARK_YAMYAM,             &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11165   { EL_ROBOT,                   &level.score[SC_ROBOT],                 TEXT_SMASHING           },
11166   { EL_PACMAN,                  &level.score[SC_PACMAN],                TEXT_SMASHING           },
11167   { EL_PACMAN_RIGHT,            &level.score[SC_PACMAN],                TEXT_SMASHING           },
11168   { EL_PACMAN_UP,               &level.score[SC_PACMAN],                TEXT_SMASHING           },
11169   { EL_PACMAN_LEFT,             &level.score[SC_PACMAN],                TEXT_SMASHING           },
11170   { EL_PACMAN_DOWN,             &level.score[SC_PACMAN],                TEXT_SMASHING           },
11171   { EL_NUT,                     &level.score[SC_NUT],                   TEXT_CRACKING           },
11172   { EL_DYNAMITE,                &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11173   { EL_EM_DYNAMITE,             &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11174   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11175   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11176   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11177   { EL_SHIELD_NORMAL,           &level.score[SC_SHIELD],                TEXT_COLLECTING         },
11178   { EL_SHIELD_DEADLY,           &level.score[SC_SHIELD],                TEXT_COLLECTING         },
11179   { EL_EXTRA_TIME,              &level.extra_time_score,                TEXT_COLLECTING         },
11180   { EL_KEY_1,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
11181   { EL_KEY_2,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
11182   { EL_KEY_3,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
11183   { EL_KEY_4,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
11184   { EL_EM_KEY_1,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
11185   { EL_EM_KEY_2,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
11186   { EL_EM_KEY_3,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
11187   { EL_EM_KEY_4,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
11188   { EL_EMC_KEY_5,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
11189   { EL_EMC_KEY_6,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
11190   { EL_EMC_KEY_7,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
11191   { EL_EMC_KEY_8,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
11192   { EL_DC_KEY_WHITE,            &level.score[SC_KEY],                   TEXT_COLLECTING         },
11193   { EL_MM_KETTLE,               &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11194   { EL_DF_CELL,                 &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11195   { EL_MM_KEY,                  &level.score[SC_KEY],                   TEXT_COLLECTING         },
11196   { EL_MM_LIGHTBALL,            &level.score[SC_ELEM_BONUS],            TEXT_COLLECTING         },
11197   { EL_MM_PACMAN,               &level.score[SC_PACMAN],                TEXT_SMASHING           },
11198   { EL_MM_PACMAN_RIGHT,         &level.score[SC_PACMAN],                TEXT_SMASHING           },
11199   { EL_MM_PACMAN_UP,            &level.score[SC_PACMAN],                TEXT_SMASHING           },
11200   { EL_MM_PACMAN_LEFT,          &level.score[SC_PACMAN],                TEXT_SMASHING           },
11201   { EL_MM_PACMAN_DOWN,          &level.score[SC_PACMAN],                TEXT_SMASHING           },
11202   { EL_AMOEBA_WET,              &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11203   { EL_AMOEBA_DRY,              &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11204   { EL_AMOEBA_FULL,             &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11205   { EL_BD_AMOEBA,               &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11206   { EL_EMC_DRIPPER,             &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11207   { EL_BD_AMOEBA,               &level.bd_amoeba_threshold_too_big,     TEXT_AMOEBA_THRESHOED   },
11208   { EL_BD_AMOEBA,               &level.bd_amoeba_slow_growth_time,      TEXT_AMOEBA_SLOW_TIME   },
11209   { EL_BD_AMOEBA,               &level.bd_amoeba_slow_growth_rate,      TEXT_AMOEBA_SLOW_RATE,
11210                                 0, 100                                                          },
11211   { EL_BD_AMOEBA,               &level.bd_amoeba_fast_growth_rate,      TEXT_AMOEBA_FAST_RATE,
11212                                 0, 100                                                          },
11213   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_threshold_too_big,   TEXT_AMOEBA_THRESHOED   },
11214   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_slow_growth_time,    TEXT_AMOEBA_SLOW_TIME   },
11215   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_slow_growth_rate,    TEXT_AMOEBA_SLOW_RATE,
11216                                 0, 100                                                          },
11217   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_fast_growth_rate,    TEXT_AMOEBA_FAST_RATE,
11218                                 0, 100                                                          },
11219   { EL_MAGIC_WALL,              &level.time_magic_wall,                 TEXT_DURATION           },
11220   { EL_BD_MAGIC_WALL,           &level.time_magic_wall,                 TEXT_DURATION           },
11221   { EL_DC_MAGIC_WALL,           &level.time_magic_wall,                 TEXT_DURATION           },
11222   { EL_ROBOT_WHEEL,             &level.time_wheel,                      TEXT_DURATION           },
11223   { EL_TIMEGATE_SWITCH,         &level.time_timegate,                   TEXT_DURATION           },
11224   { EL_DC_TIMEGATE_SWITCH,      &level.time_timegate,                   TEXT_DURATION           },
11225   { EL_LIGHT_SWITCH,            &level.time_light,                      TEXT_DURATION           },
11226   { EL_LIGHT_SWITCH_ACTIVE,     &level.time_light,                      TEXT_DURATION           },
11227   { EL_SHIELD_NORMAL,           &level.shield_normal_time,              TEXT_DURATION           },
11228   { EL_SHIELD_DEADLY,           &level.shield_deadly_time,              TEXT_DURATION           },
11229   { EL_BD_CLOCK,                &level.bd_clock_extra_time,             TEXT_TIME_BONUS,
11230                                 -100, 100                                                       },
11231   { EL_BD_VOODOO_DOLL,          &level.bd_voodoo_penalty_time,          TEXT_TIME_PENALTY,
11232                                 0, 100                                                          },
11233   { EL_BD_SLIME,                &level.bd_slime_permeability_rate,      TEXT_PERMEABILITY_RATE,
11234                                 0, 100                                                          },
11235   { EL_BD_SLIME,                &level.bd_slime_permeability_bits_c64,  TEXT_PERMEABILITY_BITS,
11236                                 0, 255                                                          },
11237   { EL_BD_SLIME,                &level.bd_slime_random_seed_c64,        TEXT_RANDOM_SEED,
11238                                 -1, 65535                                                       },
11239   { EL_BD_ACID,                 &level.bd_acid_spread_rate,             TEXT_ACID_SPREAD_RATE,
11240                                 0, 100                                                          },
11241   { EL_BD_BITER,                &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11242                                 0, 3                                                            },
11243   { EL_BD_BITER_RIGHT,          &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11244                                 0, 3                                                            },
11245   { EL_BD_BITER_UP,             &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11246                                 0, 3                                                            },
11247   { EL_BD_BITER_LEFT,           &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11248                                 0, 3                                                            },
11249   { EL_BD_BITER_DOWN,           &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11250                                 0, 3                                                            },
11251   { EL_BD_REPLICATOR,           &level.bd_replicator_create_delay,      TEXT_REPLICATION_DELAY,
11252                                 0, 100                                                          },
11253   { EL_EXTRA_TIME,              &level.extra_time,                      TEXT_TIME_BONUS         },
11254   { EL_TIME_ORB_FULL,           &level.time_orb_time,                   TEXT_TIME_BONUS         },
11255   { EL_GAME_OF_LIFE,            &level.game_of_life[0],                 TEXT_GAME_OF_LIFE_1,0,8 },
11256   { EL_GAME_OF_LIFE,            &level.game_of_life[1],                 TEXT_GAME_OF_LIFE_2,0,8 },
11257   { EL_GAME_OF_LIFE,            &level.game_of_life[2],                 TEXT_GAME_OF_LIFE_3,0,8 },
11258   { EL_GAME_OF_LIFE,            &level.game_of_life[3],                 TEXT_GAME_OF_LIFE_4,0,8 },
11259   { EL_BIOMAZE,                 &level.biomaze[0],                      TEXT_GAME_OF_LIFE_1,0,8 },
11260   { EL_BIOMAZE,                 &level.biomaze[1],                      TEXT_GAME_OF_LIFE_2,0,8 },
11261   { EL_BIOMAZE,                 &level.biomaze[2],                      TEXT_GAME_OF_LIFE_3,0,8 },
11262   { EL_BIOMAZE,                 &level.biomaze[3],                      TEXT_GAME_OF_LIFE_4,0,8 },
11263   { EL_EMC_ANDROID,             &level.android_move_time,               TEXT_MOVE_SPEED         },
11264   { EL_EMC_ANDROID,             &level.android_clone_time,              TEXT_CLONE_SPEED        },
11265   { EL_EMC_MAGIC_BALL,          &level.ball_time,                       TEXT_BALL_DELAY         },
11266   { EL_EMC_LENSES,              &level.lenses_score,                    TEXT_COLLECTING         },
11267   { EL_EMC_MAGNIFIER,           &level.magnify_score,                   TEXT_COLLECTING         },
11268   { EL_SPRING,                  &level.slurp_score,                     TEXT_SLURPING           },
11269   { EL_SPRING_LEFT,             &level.slurp_score,                     TEXT_SLURPING           },
11270   { EL_SPRING_RIGHT,            &level.slurp_score,                     TEXT_SLURPING           },
11271   { EL_EMC_LENSES,              &level.lenses_time,                     TEXT_DURATION           },
11272   { EL_EMC_MAGNIFIER,           &level.magnify_time,                    TEXT_DURATION           },
11273   { EL_MM_FUSE_ACTIVE,          &level.mm_time_fuse,                    TEXT_DELAY_OFF          },
11274   { EL_MM_BOMB,                 &level.mm_time_bomb,                    TEXT_DELAY_EXPLODING    },
11275   { EL_MM_GRAY_BALL,            &level.mm_time_ball,                    TEXT_DELAY_CHANGING     },
11276   { EL_MM_STEEL_BLOCK,          &level.mm_time_block,                   TEXT_DELAY_MOVING       },
11277   { EL_MM_WOODEN_BLOCK,         &level.mm_time_block,                   TEXT_DELAY_MOVING       },
11278
11279   { -1,                         NULL,                                   NULL                    }
11280 };
11281
11282 static boolean checkPropertiesConfig(int element)
11283 {
11284   int i;
11285
11286   // special case: empty space customization only available in R'n'D game engine
11287   if (element == EL_EMPTY_SPACE && level.game_engine_type != GAME_ENGINE_TYPE_RND)
11288     return FALSE;
11289
11290   // special case: BD style rock customization only available in BD game engine
11291   if (element == EL_BD_ROCK && level.game_engine_type != GAME_ENGINE_TYPE_BD)
11292     return FALSE;
11293
11294   if (IS_GEM(element) ||
11295       IS_CUSTOM_ELEMENT(element) ||
11296       IS_GROUP_ELEMENT(element) ||
11297       IS_EMPTY_ELEMENT(element) ||
11298       IS_BALLOON_ELEMENT(element) ||
11299       IS_ENVELOPE(element) ||
11300       IS_MM_ENVELOPE(element) ||
11301       IS_MM_MCDUFFIN(element) ||
11302       IS_DF_LASER(element) ||
11303       IS_PLAYER_ELEMENT(element) ||
11304       IS_BD_PLAYER_ELEMENT(element) ||
11305       IS_BD_EXPANDABLE_WALL(properties_element) ||
11306       IS_BD_CONVEYOR_BELT(properties_element) ||
11307       IS_BD_CONVEYOR_BELT_SWITCH(properties_element) ||
11308       IS_SOKOBAN_OBJECT_OR_FIELD(element) ||
11309       HAS_EDITOR_CONTENT(element) ||
11310       CAN_GROW(element) ||
11311       COULD_MOVE_INTO_ACID(element) ||
11312       MAYBE_DONT_COLLIDE_WITH(element) ||
11313       element == EL_BD_ROCK ||
11314       element == EL_BD_MEGA_ROCK ||
11315       element == EL_BD_SWEET ||
11316       element == EL_BD_VOODOO_DOLL ||
11317       element == EL_BD_WATER)
11318   {
11319     return TRUE;
11320   }
11321   else
11322   {
11323     for (i = 0; elements_with_counter[i].element != -1; i++)
11324       if (elements_with_counter[i].element == element)
11325         return TRUE;
11326   }
11327
11328   return FALSE;
11329 }
11330
11331 static void SetAutomaticNumberOfGemsNeeded(void)
11332 {
11333   int x, y;
11334
11335   if (!level.auto_count_gems)
11336     return;
11337
11338   level.gems_needed = 0;
11339
11340   for (x = 0; x < lev_fieldx; x++)
11341   {
11342     for (y = 0; y < lev_fieldy; y++)
11343     {
11344       int element = Tile[x][y];
11345
11346       switch (element)
11347       {
11348         case EL_EMERALD:
11349         case EL_EMERALD_YELLOW:
11350         case EL_EMERALD_RED:
11351         case EL_EMERALD_PURPLE:
11352         case EL_BD_DIAMOND:
11353         case EL_WALL_EMERALD:
11354         case EL_WALL_EMERALD_YELLOW:
11355         case EL_WALL_EMERALD_RED:
11356         case EL_WALL_EMERALD_PURPLE:
11357         case EL_WALL_BD_DIAMOND:
11358         case EL_NUT:
11359         case EL_SP_INFOTRON:
11360         case EL_MM_KETTLE:
11361         case EL_DF_CELL:
11362           level.gems_needed++;
11363           break;
11364
11365         case EL_DIAMOND:
11366         case EL_WALL_DIAMOND:
11367           level.gems_needed += 3;
11368           break;
11369
11370         case EL_PEARL:
11371         case EL_WALL_PEARL:
11372           level.gems_needed += 5;
11373           break;
11374
11375         case EL_CRYSTAL:
11376         case EL_WALL_CRYSTAL:
11377           level.gems_needed += 8;
11378           break;
11379
11380         default:
11381           break;
11382       }
11383     }
11384   }
11385
11386   ModifyEditorCounterValue(ED_COUNTER_ID_LEVEL_GEMSLIMIT, level.gems_needed);
11387 }
11388
11389 static void DrawPropertiesConfig(void)
11390 {
11391   boolean draw_footer_line = FALSE;
11392   int max_num_element_counters = 4;
11393   int num_element_counters = 0;
11394   int i;
11395
11396   if (!checkPropertiesConfig(properties_element))
11397   {
11398     int xpos = ED_ELEMENT_SETTINGS_X(0);
11399     int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
11400
11401     PrintInfoText("No configuration options available.", FONT_TEXT_1, xpos, ypos);
11402
11403     return;
11404   }
11405
11406   // check if there are elements where a value can be chosen for
11407   for (i = 0; elements_with_counter[i].element != -1; i++)
11408   {
11409     if (elements_with_counter[i].element != properties_element)
11410       continue;
11411
11412     // special case: score for extra diamonds only available in BD game engine
11413     if (elements_with_counter[i].element == EL_BD_DIAMOND &&
11414         elements_with_counter[i].value == &level.score[SC_DIAMOND_EXTRA] &&
11415         level.game_engine_type != GAME_ENGINE_TYPE_BD)
11416       continue;
11417
11418     // special case: some amoeba counters only available in BD game engine
11419     if (elements_with_counter[i].element == EL_BD_AMOEBA &&
11420         elements_with_counter[i].value != &level.amoeba_speed &&
11421         level.game_engine_type != GAME_ENGINE_TYPE_BD)
11422       continue;
11423
11424     // special case: some amoeba counters only available in R'n'D game engine
11425     if (elements_with_counter[i].element == EL_BD_AMOEBA &&
11426         elements_with_counter[i].value == &level.amoeba_speed &&
11427         level.game_engine_type == GAME_ENGINE_TYPE_BD)
11428       continue;
11429
11430     int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
11431
11432     counterbutton_info[counter_id].y =
11433       ED_ELEMENT_SETTINGS_YPOS((HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
11434                                (CAN_GROW(properties_element)                ? 1 : 0) +
11435                                (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
11436                                (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
11437                                (properties_element == EL_BD_VOODOO_DOLL     ? 4 : 0) +
11438                                (properties_element == EL_BD_SLIME           ? 1 : 0) +
11439                                (properties_element == EL_BD_ACID            ? 1 : 0) +
11440                                (properties_element == EL_BD_REPLICATOR      ? 1 : 0) +
11441                                (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
11442                                num_element_counters);
11443
11444     // special case: set amoeba counters for BD game engine separately
11445     if ((properties_element == EL_BD_AMOEBA && level.game_engine_type == GAME_ENGINE_TYPE_BD) ||
11446         (properties_element == EL_BD_AMOEBA_2))
11447       counterbutton_info[counter_id].y = ED_ELEMENT_SETTINGS_YPOS(3 + num_element_counters);
11448
11449     counterbutton_info[counter_id].value      = elements_with_counter[i].value;
11450     counterbutton_info[counter_id].text_right = elements_with_counter[i].text;
11451     counterbutton_info[counter_id].min_value  = elements_with_counter[i].min_value;
11452     counterbutton_info[counter_id].max_value  = elements_with_counter[i].max_value;
11453
11454     // default: counter values between 0 and 999
11455     if (counterbutton_info[counter_id].max_value == 0)
11456       counterbutton_info[counter_id].max_value = 999;
11457
11458     MapCounterButtons(counter_id);
11459
11460     num_element_counters++;
11461     if (num_element_counters >= max_num_element_counters)
11462       break;
11463   }
11464
11465   if (HAS_EDITOR_CONTENT(properties_element))
11466   {
11467     // draw stickybutton gadget
11468     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11469
11470     if (properties_element == EL_BD_AMOEBA && level.game_engine_type == GAME_ENGINE_TYPE_BD)
11471     {
11472       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING);
11473       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY);
11474
11475       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_CONTENT_TOO_BIG);
11476       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_CONTENT_ENCLOSED);
11477     }
11478     else if (properties_element == EL_BD_AMOEBA_2)
11479     {
11480       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING);
11481       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY);
11482       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA);
11483
11484       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_TOO_BIG);
11485       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_ENCLOSED);
11486       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_EXPLODING);
11487       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE);
11488     }
11489     else if (IS_AMOEBOID(properties_element))
11490       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
11491     else if (properties_element == EL_BD_ACID)
11492     {
11493       MapDrawingArea(ED_DRAWING_ID_BD_ACID_EATS_ELEMENT);
11494       MapDrawingArea(ED_DRAWING_ID_BD_ACID_TURNS_TO_ELEMENT);
11495     }
11496     else if (IS_BD_BITER(properties_element))
11497     {
11498       MapDrawingArea(ED_DRAWING_ID_BD_BITER_EATS_ELEMENT);
11499     }
11500     else if (properties_element == EL_BD_BLADDER)
11501     {
11502       MapDrawingArea(ED_DRAWING_ID_BD_BLADDER_CONVERTS_BY_ELEMENT);
11503     }
11504     else if (properties_element == EL_YAMYAM ||
11505              properties_element == EL_YAMYAM_LEFT ||
11506              properties_element == EL_YAMYAM_RIGHT ||
11507              properties_element == EL_YAMYAM_UP ||
11508              properties_element == EL_YAMYAM_DOWN)
11509       DrawYamYamContentAreas();
11510     else if (properties_element == EL_EMC_MAGIC_BALL)
11511     {
11512       DrawMagicBallContentAreas();
11513
11514       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
11515       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE);
11516     }
11517     else if (properties_element == EL_EMC_ANDROID)
11518       DrawAndroidElementArea();
11519     else if (properties_element == EL_MM_GRAY_BALL)
11520     {
11521       MapCounterButtons(ED_COUNTER_ID_MM_BALL_CONTENT);
11522       MapSelectboxGadget(ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE);
11523       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT);
11524       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EXPLODE_MM_BALL);
11525
11526       DrawMMBallContentArea();
11527     }
11528   }
11529
11530   if (IS_PLAYER_ELEMENT(properties_element))
11531   {
11532     int player_nr = GET_PLAYER_NR(properties_element);
11533
11534     // these properties can be set for every player individually
11535
11536     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
11537     {
11538       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
11539         &level.start_element[player_nr];
11540       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
11541         &level.artwork_element[player_nr];
11542       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
11543         &level.explosion_element[player_nr];
11544
11545       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
11546         &level.use_start_element[player_nr];
11547       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
11548         &level.use_artwork_element[player_nr];
11549       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
11550         &level.use_explosion_element[player_nr];
11551       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
11552         &level.initial_player_gravity[player_nr];
11553
11554       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
11555         &level.initial_player_stepsize[player_nr];
11556
11557       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
11558       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
11559                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
11560                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
11561       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
11562       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
11563       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
11564       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
11565       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_LAZY_RELOCATION);
11566       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
11567       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
11568       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
11569       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
11570       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
11571       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER);
11572
11573       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
11574       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
11575       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
11576
11577       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
11578     }
11579     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
11580     {
11581       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
11582         &level.initial_inventory_content[player_nr][0];
11583
11584       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
11585         &level.initial_inventory_size[player_nr];
11586
11587       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
11588         &level.use_initial_inventory[player_nr];
11589
11590       // draw checkbutton gadgets
11591       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
11592       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT);
11593       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE);
11594
11595       // draw counter gadgets
11596       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
11597
11598       // draw drawing area gadgets
11599       DrawPlayerInitialInventoryArea(properties_element);
11600     }
11601   }
11602
11603   if (IS_BD_PLAYER_ELEMENT(properties_element))
11604   {
11605     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB].y =
11606       ED_ELEMENT_SETTINGS_YPOS(2);
11607     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET].y =
11608       ED_ELEMENT_SETTINGS_YPOS(3);
11609     checkbutton_info[ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET].y =
11610       ED_ELEMENT_SETTINGS_YPOS(4);
11611
11612     // draw checkbutton gadgets
11613     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS);
11614     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_TOPMOST_PLAYER_ACTIVE);
11615     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET);
11616
11617     // draw counter gadgets
11618     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB);
11619     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET);
11620
11621     // draw drawing area gadgets
11622     MapDrawingArea(ED_DRAWING_ID_BD_SNAP_ELEMENT);
11623   }
11624
11625   if (properties_element == EL_BD_ROCK && level.game_engine_type == GAME_ENGINE_TYPE_BD)
11626   {
11627     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB].y =
11628       ED_ELEMENT_SETTINGS_YPOS(0);
11629     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET].y =
11630       ED_ELEMENT_SETTINGS_YPOS(1);
11631
11632     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB);
11633     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET);
11634   }
11635
11636   if (properties_element == EL_BD_MEGA_ROCK ||
11637       properties_element == EL_BD_SWEET)
11638   {
11639     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET].y =
11640       ED_ELEMENT_SETTINGS_YPOS(0);
11641     checkbutton_info[ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET].y =
11642       ED_ELEMENT_SETTINGS_YPOS(1);
11643
11644     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET);
11645     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET);
11646   }
11647
11648   if (properties_element == EL_BD_VOODOO_DOLL)
11649   {
11650     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_COLLECTS_DIAMONDS);
11651     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_HURT_KILLS_PLAYER);
11652     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_DIES_BY_ROCK);
11653     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_VANISH_BY_EXPLOSION);
11654   }
11655
11656   if (properties_element == EL_BD_SLIME)
11657   {
11658     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_SLIME_IS_PREDICTABLE);
11659   }
11660
11661   if (properties_element == EL_BD_MAGIC_WALL)
11662   {
11663     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_MAGIC_WALL_WAIT_HATCHING);
11664     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_MAGIC_WALL_STOPS_AMOEBA);
11665   }
11666
11667   if (IS_BD_EXPANDABLE_WALL(properties_element))
11668   {
11669     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CHANGE_EXPANDING_WALL);
11670   }
11671
11672   if (properties_element == EL_BD_REPLICATOR)
11673   {
11674     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_REPLICATORS_ACTIVE);
11675   }
11676
11677   if (IS_BD_CONVEYOR_BELT(properties_element) ||
11678       IS_BD_CONVEYOR_BELT_SWITCH(properties_element))
11679   {
11680     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_ACTIVE);
11681     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_CHANGED);
11682   }
11683
11684   if (properties_element == EL_BD_WATER)
11685   {
11686     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_WATER_CANNOT_FLOW_DOWN);
11687   }
11688
11689   // special case: slippery walls option for gems only available in R'n'D game engine
11690   if (IS_GEM(properties_element) && level.game_engine_type == GAME_ENGINE_TYPE_RND)
11691     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
11692
11693   if (properties_element == EL_EM_DYNAMITE)
11694     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
11695
11696   if (COULD_MOVE_INTO_ACID(properties_element) &&
11697       !IS_PLAYER_ELEMENT(properties_element) &&
11698       (!IS_CUSTOM_ELEMENT(properties_element) ||
11699        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
11700   {
11701     // set position for checkbutton for "can move into acid"
11702     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
11703       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
11704     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
11705       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 7 :
11706                                IS_BALLOON_ELEMENT(properties_element) ||
11707                                HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
11708
11709     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
11710   }
11711
11712   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
11713     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
11714
11715   if (properties_element == EL_SPRING ||
11716       properties_element == EL_SPRING_LEFT ||
11717       properties_element == EL_SPRING_RIGHT)
11718     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
11719
11720   if (properties_element == EL_TIME_ORB_FULL)
11721     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
11722
11723   if (properties_element == EL_GAME_OF_LIFE ||
11724       properties_element == EL_BIOMAZE)
11725     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_LIFE_BUGS);
11726
11727   if (CAN_GROW(properties_element) && level.game_engine_type != GAME_ENGINE_TYPE_BD)
11728   {
11729     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
11730       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
11731
11732     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
11733   }
11734
11735   if (properties_element == EL_SOKOBAN_FIELD_EMPTY)
11736     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED);
11737
11738   if (properties_element == EL_SOKOBAN_OBJECT)
11739     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED);
11740
11741   if (properties_element == EL_SOKOBAN_OBJECT ||
11742       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
11743       properties_element == EL_SOKOBAN_FIELD_FULL)
11744   {
11745     checkbutton_info[ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN].y =
11746       ED_ELEMENT_SETTINGS_XPOS(properties_element == EL_SOKOBAN_FIELD_FULL ?
11747                                0 : 1);
11748
11749     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
11750   }
11751
11752   if (IS_BALLOON_ELEMENT(properties_element))
11753     MapSelectboxGadget(ED_SELECTBOX_ID_WIND_DIRECTION);
11754
11755   if (IS_ENVELOPE(properties_element) ||
11756       IS_MM_ENVELOPE(properties_element))
11757   {
11758     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
11759     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
11760     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
11761     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
11762     int envelope_nr = ENVELOPE_NR(properties_element);
11763
11764     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
11765     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
11766
11767     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
11768     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
11769
11770     // display counter to choose size of envelope text area
11771     MapCounterButtons(counter1_id);
11772     MapCounterButtons(counter2_id);
11773
11774     // display checkbuttons to choose auto-wrap and alignment properties
11775     MapCheckbuttonGadget(button1_id);
11776     MapCheckbuttonGadget(button2_id);
11777
11778     DrawEnvelopeTextArea(envelope_nr);
11779   }
11780
11781   if (IS_MM_MCDUFFIN(properties_element))
11782   {
11783     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_RED);
11784     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_GREEN);
11785     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_BLUE);
11786   }
11787
11788   if (IS_DF_LASER(properties_element))
11789   {
11790     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_RED);
11791     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_GREEN);
11792     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_BLUE);
11793   }
11794
11795   if (IS_CUSTOM_ELEMENT(properties_element))
11796   {
11797     // draw stickybutton gadget
11798     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11799
11800     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
11801     {
11802       // draw checkbutton gadgets
11803       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
11804            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
11805         MapCheckbuttonGadget(i);
11806
11807       // draw counter gadgets
11808       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
11809            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
11810         MapCounterButtons(i);
11811
11812       // draw selectbox gadgets
11813       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
11814            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
11815         MapSelectboxGadget(i);
11816
11817       // draw textbutton gadgets
11818       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
11819
11820       // draw text input gadgets
11821       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
11822
11823       // draw drawing area gadgets
11824       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
11825
11826       draw_footer_line = TRUE;
11827     }
11828     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
11829     {
11830       // draw checkbutton gadgets
11831       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
11832            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
11833         MapCheckbuttonGadget(i);
11834
11835       // draw counter gadgets
11836       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
11837            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
11838         MapCounterButtons(i);
11839
11840       // draw selectbox gadgets
11841       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
11842            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
11843         MapSelectboxGadget(i);
11844
11845       // draw drawing area gadgets
11846       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
11847       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
11848       DrawCustomContentArea();
11849     }
11850   }
11851   else if (IS_GROUP_ELEMENT(properties_element))
11852   {
11853     // draw stickybutton gadget
11854     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11855
11856     // draw checkbutton gadgets
11857     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
11858     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
11859
11860     // draw counter gadgets
11861     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
11862
11863     // draw selectbox gadgets
11864     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
11865
11866     // draw textbutton gadgets
11867     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
11868
11869     // draw drawing area gadgets
11870     DrawGroupElementArea();
11871
11872     // draw text input gadgets
11873     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
11874
11875     // draw drawing area gadgets
11876     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
11877
11878     draw_footer_line = TRUE;
11879   }
11880   else if (IS_EMPTY_ELEMENT(properties_element))
11881   {
11882     // draw stickybutton gadget
11883     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11884
11885     // draw checkbutton gadgets
11886     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
11887     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
11888
11889     // draw textbutton gadgets
11890     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
11891
11892     // draw drawing area gadgets
11893     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
11894
11895     draw_footer_line = TRUE;
11896   }
11897
11898   // draw little footer border line above CE/GE use/save template gadgets
11899   if (draw_footer_line)
11900   {
11901     struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
11902     struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
11903     int gd_x = gd->x + gd_gi1->border.width / 2;
11904     int gd_y = gd->y + gd_gi1->height - 1;
11905     Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
11906
11907     if (tab_color != BLACK_PIXEL)               // black => transparent
11908       FillRectangle(drawto,
11909                     SX + ED_ELEMENT_SETTINGS_X(0),
11910                     SY + ED_ELEMENT_SETTINGS_Y(14) - ED_SETTINGS_TABS_YOFFSET -
11911                     ED_TAB_BAR_HEIGHT,
11912                     getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
11913   }
11914 }
11915
11916 static void DrawPropertiesChangeDrawingAreas(void)
11917 {
11918   if (IS_CUSTOM_ELEMENT(properties_element))
11919   {
11920     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
11921     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
11922     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
11923
11924     DrawCustomChangeContentArea();
11925   }
11926
11927   redraw_mask |= REDRAW_FIELD;
11928 }
11929
11930 static void DrawPropertiesChange(void)
11931 {
11932   int i;
11933
11934   // needed to initially set selectbox options for special action options
11935   setSelectboxSpecialActionOptions();
11936
11937   // draw stickybutton gadget
11938   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11939
11940   // draw checkbutton gadgets
11941   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
11942        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
11943     MapCheckbuttonGadget(i);
11944
11945   // draw counter gadgets
11946   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
11947        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
11948     MapCounterButtons(i);
11949
11950   // draw selectbox gadgets
11951   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
11952        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
11953     MapSelectboxGadget(i);
11954
11955   // draw textbutton gadgets
11956   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
11957        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
11958     MapTextbuttonGadget(i);
11959
11960   // draw graphicbutton gadgets
11961   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
11962        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
11963     MapGraphicbuttonGadget(i);
11964
11965   // draw drawing area gadgets
11966   DrawPropertiesChangeDrawingAreas();
11967 }
11968
11969 static void DrawEditorElementAnimation(int x, int y)
11970 {
11971   int graphic = el2img(properties_element);
11972   int frame = (ANIM_MODE(graphic) == ANIM_CE_VALUE ?
11973                custom_element.ce_value_fixed_initial :
11974                ANIM_MODE(graphic) == ANIM_CE_SCORE ?
11975                custom_element.collect_score_initial : FrameCounter);
11976
11977   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
11978 }
11979
11980 static void DrawEditorElementName(int x, int y, int font_nr)
11981 {
11982   char *element_name = getElementInfoText(properties_element);
11983   int font_width = getFontWidth(font_nr);
11984   int font_height = getFontHeight(font_nr);
11985   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_X(0);
11986   int max_chars_per_line = max_text_width / font_width;
11987
11988   if (strlen(element_name) <= max_chars_per_line)
11989     DrawTextS(x, y, font_nr, element_name);
11990   else
11991   {
11992     char buffer[max_chars_per_line + 1];
11993     int next_pos = max_chars_per_line;
11994
11995     strncpy(buffer, element_name, max_chars_per_line);
11996     buffer[max_chars_per_line] = '\0';
11997
11998     if (element_name[max_chars_per_line] == ' ')
11999       next_pos++;
12000     else
12001     {
12002       int i;
12003
12004       for (i = max_chars_per_line - 1; i >= 0; i--)
12005         if (buffer[i] == ' ')
12006           break;
12007
12008       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
12009       {
12010         buffer[i] = '\0';
12011         next_pos = i + 1;
12012       }
12013     }
12014
12015     DrawTextS(x, y - font_height / 2, font_nr, buffer);
12016
12017     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
12018     buffer[max_chars_per_line] = '\0';
12019
12020     DrawTextS(x, y + font_height / 2, font_nr, buffer);
12021   }
12022 }
12023
12024 static void DrawPropertiesWindow(void)
12025 {
12026   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
12027   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
12028   int border_size = gd->border_size;
12029   int font_nr = FONT_TEXT_1;
12030   int font_height = getFontHeight(font_nr);
12031   int xoffset = TILEX + element_border + 3 * border_size;
12032   int yoffset = (TILEY - font_height) / 2;
12033   int x1 = editor.settings.element_graphic.x + element_border;
12034   int y1 = editor.settings.element_graphic.y + element_border;
12035   int x2 = (editor.settings.element_name.x == -1 ? x1 + xoffset :
12036             editor.settings.element_name.x);
12037   int y2 = (editor.settings.element_name.y == -1 ? y1 + yoffset :
12038             editor.settings.element_name.y);
12039   char *text = "Element Settings";
12040   int font2_nr = FONT_TITLE_1;
12041   struct MenuPosInfo *pos = &editor.settings.headline;
12042   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font2_nr), pos->align);
12043   int sy = SY + pos->y;
12044
12045   stick_element_properties_window = FALSE;
12046
12047   // make sure that previous properties edit mode exists for this element
12048   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
12049       !IS_CUSTOM_ELEMENT(properties_element))
12050     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
12051
12052   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
12053       !IS_PLAYER_ELEMENT(properties_element) &&
12054       !IS_CUSTOM_ELEMENT(properties_element))
12055     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
12056
12057   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
12058       (IS_PLAYER_ELEMENT(properties_element) ||
12059        IS_CUSTOM_ELEMENT(properties_element)))
12060     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
12061
12062   CopyElementPropertiesToEditor(properties_element);
12063
12064   UnmapLevelEditorFieldGadgets();
12065   UnmapLevelEditorToolboxDrawingGadgets();
12066   UnmapLevelEditorToolboxCustomGadgets();
12067
12068   MapLevelEditorToolboxCustomGadgetsIfNeeded();
12069
12070   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
12071   ClearField();
12072
12073   DrawText(sx, sy, text, font2_nr);
12074
12075   FrameCounter = 0;     // restart animation frame counter
12076
12077   DrawElementBorder(SX + x1, SY + y1, TILEX, TILEY, FALSE);
12078   DrawEditorElementAnimation(SX + x1, SY + y1);
12079   DrawEditorElementName(x2, y2, font_nr);
12080
12081   DrawPropertiesTabulatorGadgets();
12082
12083   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
12084     DrawPropertiesInfo();
12085   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
12086     DrawPropertiesChange();
12087   else  // (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2])
12088     DrawPropertiesConfig();
12089 }
12090
12091 static void DrawPaletteWindow(void)
12092 {
12093   int i;
12094
12095   UnmapLevelEditorFieldGadgets();
12096
12097   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
12098   ClearField();
12099
12100   // map buttons to select elements
12101   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
12102     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
12103   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
12104   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
12105   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
12106 }
12107
12108 static void UpdateCustomElementGraphicGadgets(void)
12109 {
12110   int i;
12111
12112   InitElementPropertiesGfxElement();
12113
12114   ModifyEditorElementList();
12115   RedrawDrawingElements();
12116
12117   // force redraw of all mapped drawing area gadgets
12118   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
12119   {
12120     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
12121
12122     if (gi->mapped)
12123       MapDrawingArea(i);
12124   }
12125 }
12126
12127 static int getOpenDirectionFromTube(int element)
12128 {
12129   switch (element)
12130   {
12131     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
12132     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
12133     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
12134     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
12135     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
12136     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
12137     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
12138     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
12139     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
12140     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
12141     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
12142   }
12143
12144   return MV_NONE;
12145 }
12146
12147 static int getTubeFromOpenDirection(int direction)
12148 {
12149   switch (direction)
12150   {
12151     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
12152     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
12153     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
12154     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
12155     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
12156     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
12157     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
12158     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
12159     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
12160     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
12161     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
12162
12163     // if only one direction, fall back to simple tube with that direction
12164     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
12165     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
12166     case (MV_UP):                       return EL_TUBE_VERTICAL;
12167     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
12168   }
12169
12170   return EL_EMPTY;
12171 }
12172
12173 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
12174 {
12175   int element_new = getTubeFromOpenDirection(direction);
12176
12177   return (element_new != EL_EMPTY ? element_new : element_old);
12178 }
12179
12180 static int getOpenDirectionFromBelt(int element)
12181 {
12182   int belt_dir = getBeltDirFromBeltElement(element);
12183
12184   return (belt_dir == MV_LEFT ? MV_RIGHT :
12185           belt_dir == MV_RIGHT ? MV_LEFT :
12186           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
12187 }
12188
12189 static int getBeltFromNrAndOpenDirection(int nr, int direction)
12190 {
12191   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
12192                   direction == MV_RIGHT ? MV_LEFT :
12193                   direction == MV_HORIZONTAL ? MV_NONE : direction);
12194
12195   if (direction == MV_NONE)
12196     return EL_EMPTY;
12197
12198   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
12199 }
12200
12201 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
12202                                                  int element_old)
12203 {
12204   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
12205
12206   return (element_new != EL_EMPTY ? element_new : element_old);
12207 }
12208
12209 static int getOpenDirectionFromPool(int element)
12210 {
12211   switch (element)
12212   {
12213     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
12214     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
12215     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
12216     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
12217     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
12218     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
12219   }
12220
12221   return MV_NONE;
12222 }
12223
12224 static int getPoolFromOpenDirection(int direction)
12225 {
12226   switch (direction)
12227   {
12228     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
12229     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
12230     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
12231     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
12232     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
12233     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
12234   }
12235
12236   return EL_EMPTY;
12237 }
12238
12239 static int getPoolFromOpenDirectionExt(int direction, int help_element)
12240 {
12241   int element = getPoolFromOpenDirection(direction);
12242   int help_direction = getOpenDirectionFromPool(help_element);
12243
12244   if (element == EL_EMPTY)
12245   {
12246     int help_direction_vertical = help_direction & MV_VERTICAL;
12247
12248     element = getPoolFromOpenDirection(direction | help_direction_vertical);
12249   }
12250
12251   if (element == EL_EMPTY)
12252   {
12253     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
12254
12255     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
12256   }
12257
12258   return element;
12259 }
12260
12261 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
12262 {
12263   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
12264
12265   return (element_new != EL_EMPTY ? element_new : element_old);
12266 }
12267
12268 static int getOpenDirectionFromPillar(int element)
12269 {
12270   switch (element)
12271   {
12272     case EL_EMC_WALL_1:                 return (MV_DOWN);
12273     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
12274     case EL_EMC_WALL_3:                 return (MV_UP);
12275   }
12276
12277   return MV_NONE;
12278 }
12279
12280 static int getPillarFromOpenDirection(int direction)
12281 {
12282   switch (direction)
12283   {
12284     case (MV_DOWN):                     return EL_EMC_WALL_1;
12285     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
12286     case (MV_UP):                       return EL_EMC_WALL_3;
12287   }
12288
12289   return EL_EMPTY;
12290 }
12291
12292 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
12293 {
12294   int element_new = getPillarFromOpenDirection(direction);
12295
12296   return (element_new != EL_EMPTY ? element_new : element_old);
12297 }
12298
12299 static int getOpenDirectionFromSteel2(int element)
12300 {
12301   switch (element)
12302   {
12303     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
12304     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
12305     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
12306     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
12307     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
12308     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
12309     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
12310     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
12311   }
12312
12313   return MV_NONE;
12314 }
12315
12316 static int getSteel2FromOpenDirection(int direction)
12317 {
12318   switch (direction)
12319   {
12320     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
12321     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
12322     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
12323     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
12324     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
12325     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
12326     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
12327     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
12328   }
12329
12330   return EL_EMPTY;
12331 }
12332
12333 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
12334 {
12335   int element_new = getSteel2FromOpenDirection(direction);
12336
12337   return (element_new != EL_EMPTY ? element_new : element_old);
12338 }
12339
12340 static int getOpenDirectionFromChip(int element)
12341 {
12342   switch (element)
12343   {
12344     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
12345     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
12346     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
12347     case EL_SP_CHIP_TOP:                return (MV_DOWN);
12348     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
12349   }
12350
12351   return MV_NONE;
12352 }
12353
12354 static int getChipFromOpenDirection(int direction)
12355 {
12356   switch (direction)
12357   {
12358     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
12359     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
12360     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
12361     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
12362     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
12363   }
12364
12365   return EL_EMPTY;
12366 }
12367
12368 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
12369 {
12370   int element_new = getChipFromOpenDirection(direction);
12371
12372   return (element_new != EL_EMPTY ? element_new : element_old);
12373 }
12374
12375 static int getClosedTube(int x, int y)
12376 {
12377   struct XY *xy = xy_directions;
12378   int element_old = IntelliDrawBuffer[x][y];
12379   int direction_old = getOpenDirectionFromTube(element_old);
12380   int direction_new = MV_NONE;
12381   int i;
12382
12383   for (i = 0; i < NUM_DIRECTIONS; i++)
12384   {
12385     int xx = x + xy[i].x;
12386     int yy = y + xy[i].y;
12387     int dir = MV_DIR_FROM_BIT(i);
12388     int dir_opposite = MV_DIR_OPPOSITE(dir);
12389
12390     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
12391         (direction_old & dir) &&
12392         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12393       direction_new |= dir;
12394   }
12395
12396   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
12397 }
12398
12399 static int getClosedBelt(int x, int y)
12400 {
12401   struct XY *xy = xy_directions;
12402   int element_old = IntelliDrawBuffer[x][y];
12403   int nr = getBeltNrFromBeltElement(element_old);
12404   int direction_old = getOpenDirectionFromBelt(element_old);
12405   int direction_new = MV_NONE;
12406   int i;
12407
12408   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
12409   {
12410     int xx = x + xy[i].x;
12411     int yy = y + xy[i].y;
12412     int dir = MV_DIR_FROM_BIT(i);
12413     int dir_opposite = MV_DIR_OPPOSITE(dir);
12414
12415     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
12416         (direction_old & dir) &&
12417         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12418       direction_new |= dir;
12419   }
12420
12421   return getBeltFromNrAndOpenDirection(nr, direction_new);
12422 }
12423
12424 static int getClosedPool(int x, int y)
12425 {
12426   struct XY *xy = xy_directions;
12427   int element_old = IntelliDrawBuffer[x][y];
12428   int direction_old = getOpenDirectionFromPool(element_old);
12429   int direction_new = MV_NONE;
12430   int i;
12431
12432   for (i = 0; i < NUM_DIRECTIONS; i++)
12433   {
12434     int xx = x + xy[i].x;
12435     int yy = y + xy[i].y;
12436     int dir = MV_DIR_FROM_BIT(i);
12437     int dir_opposite = MV_DIR_OPPOSITE(dir);
12438
12439     if (IN_LEV_FIELD(xx, yy) &&
12440         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
12441         (direction_old & dir) &&
12442         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12443       direction_new |= dir;
12444   }
12445
12446   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
12447 }
12448
12449 static int getClosedPillar(int x, int y)
12450 {
12451   struct XY *xy = xy_directions;
12452   int element_old = IntelliDrawBuffer[x][y];
12453   int direction_old = getOpenDirectionFromPillar(element_old);
12454   int direction_new = MV_NONE;
12455   int i;
12456
12457   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
12458   {
12459     int xx = x + xy[i].x;
12460     int yy = y + xy[i].y;
12461     int dir = MV_DIR_FROM_BIT(i);
12462     int dir_opposite = MV_DIR_OPPOSITE(dir);
12463
12464     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
12465         (direction_old & dir) &&
12466         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12467       direction_new |= dir;
12468   }
12469
12470   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
12471 }
12472
12473 static int getClosedSteel2(int x, int y)
12474 {
12475   struct XY *xy = xy_directions;
12476   int element_old = IntelliDrawBuffer[x][y];
12477   int direction_old = getOpenDirectionFromSteel2(element_old);
12478   int direction_new = MV_NONE;
12479   int i;
12480
12481   for (i = 0; i < NUM_DIRECTIONS; i++)
12482   {
12483     int xx = x + xy[i].x;
12484     int yy = y + xy[i].y;
12485     int dir = MV_DIR_FROM_BIT(i);
12486     int dir_opposite = MV_DIR_OPPOSITE(dir);
12487
12488     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
12489         (direction_old & dir) &&
12490         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12491       direction_new |= dir;
12492   }
12493
12494   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
12495 }
12496
12497 static int getClosedChip(int x, int y)
12498 {
12499   struct XY *xy = xy_directions;
12500   int element_old = IntelliDrawBuffer[x][y];
12501   int direction_old = getOpenDirectionFromChip(element_old);
12502   int direction_new = MV_NONE;
12503   int i;
12504
12505   for (i = 0; i < NUM_DIRECTIONS; i++)
12506   {
12507     int xx = x + xy[i].x;
12508     int yy = y + xy[i].y;
12509     int dir = MV_DIR_FROM_BIT(i);
12510     int dir_opposite = MV_DIR_OPPOSITE(dir);
12511
12512     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
12513         (direction_old & dir) &&
12514         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12515       direction_new |= dir;
12516   }
12517
12518   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
12519 }
12520
12521 static void SetElementSimpleExt(int x, int y, int dx, int dy, int element,
12522                                 boolean change_level)
12523 {
12524   int sx = x - level_xpos;
12525   int sy = y - level_ypos;
12526   int old_element = Tile[x][y];
12527   int new_element = element;
12528   unsigned int new_bitmask = (getDrawModeHiRes() ? (dx + 1) << (dy * 2) : 0x0f);
12529   boolean draw_masked = FALSE;
12530
12531   if (IS_MM_WALL_EDITOR(element))
12532   {
12533     element = map_mm_wall_element_editor(element) | new_bitmask;
12534
12535     if (IS_MM_WALL(old_element))
12536       element |= MM_WALL_BITS(old_element);
12537
12538     if (!change_level)
12539       draw_masked = TRUE;
12540   }
12541   else if (IS_MM_WALL(old_element) && element == EL_EMPTY)
12542   {
12543     int element_changed = old_element & ~new_bitmask;
12544
12545     if (MM_WALL_BITS(element_changed) != 0)
12546       element = element_changed;
12547   }
12548
12549   IntelliDrawBuffer[x][y] = element;
12550
12551   if (change_level)
12552     Tile[x][y] = element;
12553
12554   if (IN_ED_FIELD(sx, sy))
12555   {
12556     if (IS_MM_WALL(old_element) && new_element == EL_EMPTY)
12557       DrawSizedWallParts_MM(sx, sy, EL_EMPTY, ed_tilesize, FALSE, new_bitmask);
12558     else if (draw_masked)
12559       DrawEditorElementThruMask(sx, sy, element);
12560     else
12561       DrawEditorElement(sx, sy, element);
12562   }
12563 }
12564
12565 static void SetElementSimple(int x, int y, int element, boolean change_level)
12566 {
12567   SetElementSimpleExt(x, y, 0, 0, element, change_level);
12568 }
12569
12570 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
12571                                            int x2, int y2, int *element2,
12572                                            int (*close_function)(int, int),
12573                                            boolean change_level)
12574 {
12575   // set neighbour elements to newly determined connections
12576   SetElementSimple(x1, y1, *element1, change_level);
12577   SetElementSimple(x2, y2, *element2, change_level);
12578
12579   // remove all open connections of neighbour elements
12580   *element1 = close_function(x1, y1);
12581   *element2 = close_function(x2, y2);
12582
12583   // set neighbour elements to new, minimized connections
12584   SetElementSimple(x1, y1, *element1, change_level);
12585   SetElementSimple(x2, y2, *element2, change_level);
12586 }
12587
12588 static void SetElementIntelliDraw(int x, int y, int dx, int dy, int new_element,
12589                                   boolean change_level, int button)
12590 {
12591   struct XY *xy = xy_directions;
12592   static int last_x = -1;
12593   static int last_y = -1;
12594
12595   if (new_element == EL_UNDEFINED)
12596   {
12597     last_x = -1;
12598     last_y = -1;
12599
12600     return;
12601   }
12602
12603   int old_element = IntelliDrawBuffer[x][y];
12604
12605   if (IS_TUBE(new_element))
12606   {
12607     int last_element_new = EL_UNDEFINED;
12608     int direction = MV_NONE;
12609     int i;
12610
12611     // if old element is of same kind, keep all existing directions
12612     if (IS_TUBE(old_element))
12613       direction |= getOpenDirectionFromTube(old_element);
12614
12615     for (i = 0; i < NUM_DIRECTIONS; i++)
12616     {
12617       int xx = x + xy[i].x;
12618       int yy = y + xy[i].y;
12619
12620       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12621           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
12622       {
12623         int dir = MV_DIR_FROM_BIT(i);
12624         int dir_opposite = MV_DIR_OPPOSITE(dir);
12625         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12626         int last_direction_old = getOpenDirectionFromTube(last_element_old);
12627         int last_direction_new = last_direction_old | dir_opposite;
12628
12629         last_element_new = getTubeFromOpenDirection(last_direction_new);
12630
12631         direction |= dir;
12632       }
12633     }
12634
12635     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
12636
12637     if (last_element_new != EL_UNDEFINED)
12638       MergeAndCloseNeighbourElements(x, y, &new_element,
12639                                      last_x, last_y, &last_element_new,
12640                                      getClosedTube, change_level);
12641   }
12642   else if (IS_BELT(new_element))
12643   {
12644     int belt_nr = getBeltNrFromBeltElement(new_element);
12645     int last_element_new = EL_UNDEFINED;
12646     int direction = MV_NONE;
12647     int i;
12648
12649     // if old element is of same kind, keep all existing directions
12650     if (IS_BELT(old_element))
12651       direction |= getOpenDirectionFromBelt(old_element);
12652
12653     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
12654     {
12655       int xx = x + xy[i].x;
12656       int yy = y + xy[i].y;
12657
12658       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12659           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
12660       {
12661         int dir = MV_DIR_FROM_BIT(i);
12662         int dir_opposite = MV_DIR_OPPOSITE(dir);
12663         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12664         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
12665         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
12666         int last_direction_new = last_direction_old | dir_opposite;
12667
12668         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
12669                                                          last_direction_new);
12670         direction |= dir;
12671       }
12672     }
12673
12674     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
12675                                                         new_element);
12676     if (last_element_new != EL_UNDEFINED)
12677       MergeAndCloseNeighbourElements(x, y, &new_element,
12678                                      last_x, last_y, &last_element_new,
12679                                      getClosedBelt, change_level);
12680   }
12681   else if (IS_ACID_POOL_OR_ACID(new_element))
12682   {
12683     int last_element_new = EL_UNDEFINED;
12684     int direction = MV_NONE;
12685     int i;
12686
12687     // if old element is of same kind, keep all existing directions
12688     if (IS_ACID_POOL_OR_ACID(old_element))
12689       direction |= getOpenDirectionFromPool(old_element);
12690
12691     for (i = 0; i < NUM_DIRECTIONS; i++)
12692     {
12693       int xx = x + xy[i].x;
12694       int yy = y + xy[i].y;
12695
12696       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12697           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
12698       {
12699         int dir = MV_DIR_FROM_BIT(i);
12700         int dir_opposite = MV_DIR_OPPOSITE(dir);
12701         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12702         int last_direction_old = getOpenDirectionFromPool(last_element_old);
12703         int last_direction_new = last_direction_old | dir_opposite;
12704
12705         last_element_new = getPoolFromOpenDirection(last_direction_new);
12706
12707         direction |= dir;
12708       }
12709     }
12710
12711     // special corrections needed for intuitively correct acid pool drawing
12712     if (last_element_new == EL_EMPTY)
12713       last_element_new = new_element;
12714     else if (last_element_new != EL_UNDEFINED)
12715       new_element = last_element_new;
12716
12717     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
12718
12719     if (last_element_new != EL_UNDEFINED)
12720       MergeAndCloseNeighbourElements(x, y, &new_element,
12721                                      last_x, last_y, &last_element_new,
12722                                      getClosedPool, change_level);
12723   }
12724   else if (IS_EMC_PILLAR(new_element))
12725   {
12726     int last_element_new = EL_UNDEFINED;
12727     int direction = MV_NONE;
12728     int i;
12729
12730     // if old element is of same kind, keep all existing directions
12731     if (IS_EMC_PILLAR(old_element))
12732       direction |= getOpenDirectionFromPillar(old_element);
12733
12734     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
12735     {
12736       int xx = x + xy[i].x;
12737       int yy = y + xy[i].y;
12738
12739       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12740           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
12741       {
12742         int dir = MV_DIR_FROM_BIT(i);
12743         int dir_opposite = MV_DIR_OPPOSITE(dir);
12744         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12745         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
12746         int last_direction_new = last_direction_old | dir_opposite;
12747
12748         last_element_new = getPillarFromOpenDirection(last_direction_new);
12749
12750         direction |= dir;
12751       }
12752     }
12753
12754     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
12755
12756     if (last_element_new != EL_UNDEFINED)
12757       MergeAndCloseNeighbourElements(x, y, &new_element,
12758                                      last_x, last_y, &last_element_new,
12759                                      getClosedPillar, change_level);
12760   }
12761   else if (IS_DC_STEELWALL_2(new_element))
12762   {
12763     int last_element_new = EL_UNDEFINED;
12764     int direction = MV_NONE;
12765     int i;
12766
12767     // if old element is of same kind, keep all existing directions
12768     if (IS_DC_STEELWALL_2(old_element))
12769       direction |= getOpenDirectionFromSteel2(old_element);
12770
12771     for (i = 0; i < NUM_DIRECTIONS; i++)
12772     {
12773       int xx = x + xy[i].x;
12774       int yy = y + xy[i].y;
12775
12776       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12777           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
12778       {
12779         int dir = MV_DIR_FROM_BIT(i);
12780         int dir_opposite = MV_DIR_OPPOSITE(dir);
12781         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12782         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
12783         int last_direction_new = last_direction_old | dir_opposite;
12784
12785         last_element_new = getSteel2FromOpenDirection(last_direction_new);
12786
12787         direction |= dir;
12788       }
12789     }
12790
12791     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
12792
12793     if (last_element_new != EL_UNDEFINED)
12794       MergeAndCloseNeighbourElements(x, y, &new_element,
12795                                      last_x, last_y, &last_element_new,
12796                                      getClosedSteel2, change_level);
12797   }
12798   else if (IS_SP_CHIP(new_element))
12799   {
12800     int last_element_new = EL_UNDEFINED;
12801     int direction = MV_NONE;
12802     int i;
12803
12804     // (do not keep existing directions, regardless of kind of old element)
12805
12806     for (i = 0; i < NUM_DIRECTIONS; i++)
12807     {
12808       int xx = x + xy[i].x;
12809       int yy = y + xy[i].y;
12810
12811       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12812           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
12813       {
12814         int dir = MV_DIR_FROM_BIT(i);
12815         int dir_opposite = MV_DIR_OPPOSITE(dir);
12816         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12817         int last_direction_old = getOpenDirectionFromChip(last_element_old);
12818         int last_direction_new = last_direction_old | dir_opposite;
12819
12820         if (last_direction_old == MV_NONE)
12821         {
12822           last_element_new = getChipFromOpenDirection(last_direction_new);
12823           direction |= dir;
12824         }
12825         else if (last_direction_old & (dir | dir_opposite))
12826         {
12827           direction |= MV_DIR_OPPOSITE(last_direction_old);
12828         }
12829         else
12830         {
12831           direction |= MV_DIR_OPPOSITE(dir);
12832         }
12833       }
12834     }
12835
12836     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
12837
12838     if (last_element_new != EL_UNDEFINED)
12839       MergeAndCloseNeighbourElements(x, y, &new_element,
12840                                      last_x, last_y, &last_element_new,
12841                                      getClosedChip, change_level);
12842   }
12843   else if (IS_SP_HARDWARE_BASE(new_element))
12844   {
12845     int nr = GetSimpleRandom(6);
12846
12847     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
12848                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
12849                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
12850                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
12851                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
12852   }
12853   else if (new_element == EL_SP_HARDWARE_GREEN ||
12854            new_element == EL_SP_HARDWARE_BLUE ||
12855            new_element == EL_SP_HARDWARE_RED)
12856   {
12857     int nr = GetSimpleRandom(3);
12858
12859     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
12860                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
12861   }
12862   else if (IS_GROUP_ELEMENT(new_element))
12863   {
12864     boolean connected_drawing = FALSE;
12865     int i;
12866
12867     for (i = 0; i < NUM_DIRECTIONS; i++)
12868     {
12869       int xx = x + xy[i].x;
12870       int yy = y + xy[i].y;
12871
12872       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12873           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
12874         connected_drawing = TRUE;
12875     }
12876
12877     if (!connected_drawing)
12878       ResolveGroupElement(new_element);
12879
12880     new_element = GetElementFromGroupElement(new_element);
12881   }
12882   else if (IS_BELT_SWITCH(old_element))
12883   {
12884     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
12885     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
12886
12887     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
12888                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
12889
12890     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
12891   }
12892   else
12893   {
12894     static int swappable_elements[][2] =
12895     {
12896       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
12897       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
12898       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
12899       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
12900       { EL_EMERALD,                     EL_WALL_EMERALD                 },
12901       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
12902       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
12903       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
12904       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
12905       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
12906       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
12907       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
12908       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
12909       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
12910       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
12911       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
12912       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
12913       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
12914       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
12915       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
12916       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
12917       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
12918       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
12919       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
12920       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
12921       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
12922       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
12923       { EL_PEARL,                       EL_WALL_PEARL                   },
12924       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
12925       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
12926       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
12927       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
12928       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
12929       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
12930       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
12931       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
12932       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
12933       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
12934       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
12935       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
12936       { EL_MM_EXIT_CLOSED,              EL_MM_EXIT_OPEN                 },
12937       { EL_MM_FUSE,                     EL_MM_FUSE_ACTIVE               },
12938       { EL_MM_LIGHTBULB,                EL_MM_LIGHTBULB_ACTIVE          },
12939       { EL_MM_FUEL_EMPTY,               EL_MM_FUEL_FULL                 },
12940
12941       { -1,                             -1                              },
12942     };
12943     static int rotatable_elements_4[][4] =
12944     {
12945       {
12946         EL_BUG_UP,
12947         EL_BUG_RIGHT,
12948         EL_BUG_DOWN,
12949         EL_BUG_LEFT
12950       },
12951       {
12952         EL_SPACESHIP_UP,
12953         EL_SPACESHIP_RIGHT,
12954         EL_SPACESHIP_DOWN,
12955         EL_SPACESHIP_LEFT
12956       },
12957       {
12958         EL_BD_BUTTERFLY_UP,
12959         EL_BD_BUTTERFLY_RIGHT,
12960         EL_BD_BUTTERFLY_DOWN,
12961         EL_BD_BUTTERFLY_LEFT
12962       },
12963       {
12964         EL_BD_FIREFLY_UP,
12965         EL_BD_FIREFLY_RIGHT,
12966         EL_BD_FIREFLY_DOWN,
12967         EL_BD_FIREFLY_LEFT
12968       },
12969       {
12970         EL_PACMAN_UP,
12971         EL_PACMAN_RIGHT,
12972         EL_PACMAN_DOWN,
12973         EL_PACMAN_LEFT
12974       },
12975       {
12976         EL_YAMYAM_UP,
12977         EL_YAMYAM_RIGHT,
12978         EL_YAMYAM_DOWN,
12979         EL_YAMYAM_LEFT
12980       },
12981       {
12982         EL_ARROW_UP,
12983         EL_ARROW_RIGHT,
12984         EL_ARROW_DOWN,
12985         EL_ARROW_LEFT
12986       },
12987       {
12988         EL_SP_PORT_UP,
12989         EL_SP_PORT_RIGHT,
12990         EL_SP_PORT_DOWN,
12991         EL_SP_PORT_LEFT
12992       },
12993       {
12994         EL_SP_GRAVITY_PORT_UP,
12995         EL_SP_GRAVITY_PORT_RIGHT,
12996         EL_SP_GRAVITY_PORT_DOWN,
12997         EL_SP_GRAVITY_PORT_LEFT
12998       },
12999       {
13000         EL_SP_GRAVITY_ON_PORT_UP,
13001         EL_SP_GRAVITY_ON_PORT_RIGHT,
13002         EL_SP_GRAVITY_ON_PORT_DOWN,
13003         EL_SP_GRAVITY_ON_PORT_LEFT
13004       },
13005       {
13006         EL_SP_GRAVITY_OFF_PORT_UP,
13007         EL_SP_GRAVITY_OFF_PORT_RIGHT,
13008         EL_SP_GRAVITY_OFF_PORT_DOWN,
13009         EL_SP_GRAVITY_OFF_PORT_LEFT
13010       },
13011       {
13012         EL_MOLE_UP,
13013         EL_MOLE_RIGHT,
13014         EL_MOLE_DOWN,
13015         EL_MOLE_LEFT
13016       },
13017       {
13018         EL_BALLOON_SWITCH_UP,
13019         EL_BALLOON_SWITCH_RIGHT,
13020         EL_BALLOON_SWITCH_DOWN,
13021         EL_BALLOON_SWITCH_LEFT
13022       },
13023       {
13024         EL_MM_MCDUFFIN_UP,
13025         EL_MM_MCDUFFIN_RIGHT,
13026         EL_MM_MCDUFFIN_DOWN,
13027         EL_MM_MCDUFFIN_LEFT
13028       },
13029       {
13030         EL_MM_MIRROR_FIXED_1,
13031         EL_MM_MIRROR_FIXED_4,
13032         EL_MM_MIRROR_FIXED_3,
13033         EL_MM_MIRROR_FIXED_2
13034       },
13035       {
13036         EL_MM_STEEL_GRID_FIXED_1,
13037         EL_MM_STEEL_GRID_FIXED_4,
13038         EL_MM_STEEL_GRID_FIXED_2,
13039         EL_MM_STEEL_GRID_FIXED_3
13040       },
13041       {
13042         EL_MM_WOODEN_GRID_FIXED_1,
13043         EL_MM_WOODEN_GRID_FIXED_4,
13044         EL_MM_WOODEN_GRID_FIXED_2,
13045         EL_MM_WOODEN_GRID_FIXED_3
13046       },
13047       {
13048         EL_MM_POLARIZER_CROSS_1,
13049         EL_MM_POLARIZER_CROSS_4,
13050         EL_MM_POLARIZER_CROSS_3,
13051         EL_MM_POLARIZER_CROSS_2
13052       },
13053       {
13054         EL_MM_PACMAN_UP,
13055         EL_MM_PACMAN_RIGHT,
13056         EL_MM_PACMAN_DOWN,
13057         EL_MM_PACMAN_LEFT
13058       },
13059       {
13060         EL_DF_LASER_UP,
13061         EL_DF_LASER_RIGHT,
13062         EL_DF_LASER_DOWN,
13063         EL_DF_LASER_LEFT
13064       },
13065       {
13066         EL_DF_RECEIVER_UP,
13067         EL_DF_RECEIVER_RIGHT,
13068         EL_DF_RECEIVER_DOWN,
13069         EL_DF_RECEIVER_LEFT
13070       },
13071       {
13072         EL_DF_SLOPE_1,
13073         EL_DF_SLOPE_4,
13074         EL_DF_SLOPE_3,
13075         EL_DF_SLOPE_2
13076       },
13077
13078       {
13079         -1,
13080       },
13081     };
13082     static int rotatable_elements_8[][8] =
13083     {
13084       {
13085         EL_DF_STEEL_GRID_FIXED_1,
13086         EL_DF_STEEL_GRID_FIXED_8,
13087         EL_DF_STEEL_GRID_FIXED_7,
13088         EL_DF_STEEL_GRID_FIXED_6,
13089         EL_DF_STEEL_GRID_FIXED_5,
13090         EL_DF_STEEL_GRID_FIXED_4,
13091         EL_DF_STEEL_GRID_FIXED_3,
13092         EL_DF_STEEL_GRID_FIXED_2
13093       },
13094       {
13095         EL_DF_WOODEN_GRID_FIXED_1,
13096         EL_DF_WOODEN_GRID_FIXED_8,
13097         EL_DF_WOODEN_GRID_FIXED_7,
13098         EL_DF_WOODEN_GRID_FIXED_6,
13099         EL_DF_WOODEN_GRID_FIXED_5,
13100         EL_DF_WOODEN_GRID_FIXED_4,
13101         EL_DF_WOODEN_GRID_FIXED_3,
13102         EL_DF_WOODEN_GRID_FIXED_2
13103       },
13104       {
13105         EL_DF_STEEL_GRID_ROTATING_1,
13106         EL_DF_STEEL_GRID_ROTATING_8,
13107         EL_DF_STEEL_GRID_ROTATING_7,
13108         EL_DF_STEEL_GRID_ROTATING_6,
13109         EL_DF_STEEL_GRID_ROTATING_5,
13110         EL_DF_STEEL_GRID_ROTATING_4,
13111         EL_DF_STEEL_GRID_ROTATING_3,
13112         EL_DF_STEEL_GRID_ROTATING_2
13113       },
13114       {
13115         EL_DF_WOODEN_GRID_ROTATING_1,
13116         EL_DF_WOODEN_GRID_ROTATING_8,
13117         EL_DF_WOODEN_GRID_ROTATING_7,
13118         EL_DF_WOODEN_GRID_ROTATING_6,
13119         EL_DF_WOODEN_GRID_ROTATING_5,
13120         EL_DF_WOODEN_GRID_ROTATING_4,
13121         EL_DF_WOODEN_GRID_ROTATING_3,
13122         EL_DF_WOODEN_GRID_ROTATING_2
13123       },
13124
13125       {
13126         -1,
13127       },
13128     };
13129     static int rotatable_elements_16[][16] =
13130     {
13131       {
13132         EL_MM_MIRROR_1,
13133         EL_MM_MIRROR_16,
13134         EL_MM_MIRROR_15,
13135         EL_MM_MIRROR_14,
13136         EL_MM_MIRROR_13,
13137         EL_MM_MIRROR_12,
13138         EL_MM_MIRROR_11,
13139         EL_MM_MIRROR_10,
13140         EL_MM_MIRROR_9,
13141         EL_MM_MIRROR_8,
13142         EL_MM_MIRROR_7,
13143         EL_MM_MIRROR_6,
13144         EL_MM_MIRROR_5,
13145         EL_MM_MIRROR_4,
13146         EL_MM_MIRROR_3,
13147         EL_MM_MIRROR_2
13148       },
13149       {
13150         EL_MM_TELEPORTER_5,
13151         EL_MM_TELEPORTER_4,
13152         EL_MM_TELEPORTER_3,
13153         EL_MM_TELEPORTER_2,
13154         EL_MM_TELEPORTER_1,
13155         EL_MM_TELEPORTER_16,
13156         EL_MM_TELEPORTER_15,
13157         EL_MM_TELEPORTER_14,
13158         EL_MM_TELEPORTER_13,
13159         EL_MM_TELEPORTER_12,
13160         EL_MM_TELEPORTER_11,
13161         EL_MM_TELEPORTER_10,
13162         EL_MM_TELEPORTER_9,
13163         EL_MM_TELEPORTER_8,
13164         EL_MM_TELEPORTER_7,
13165         EL_MM_TELEPORTER_6
13166       },
13167       {
13168         EL_MM_TELEPORTER_RED_5,
13169         EL_MM_TELEPORTER_RED_4,
13170         EL_MM_TELEPORTER_RED_3,
13171         EL_MM_TELEPORTER_RED_2,
13172         EL_MM_TELEPORTER_RED_1,
13173         EL_MM_TELEPORTER_RED_16,
13174         EL_MM_TELEPORTER_RED_15,
13175         EL_MM_TELEPORTER_RED_14,
13176         EL_MM_TELEPORTER_RED_13,
13177         EL_MM_TELEPORTER_RED_12,
13178         EL_MM_TELEPORTER_RED_11,
13179         EL_MM_TELEPORTER_RED_10,
13180         EL_MM_TELEPORTER_RED_9,
13181         EL_MM_TELEPORTER_RED_8,
13182         EL_MM_TELEPORTER_RED_7,
13183         EL_MM_TELEPORTER_RED_6
13184       },
13185       {
13186         EL_MM_TELEPORTER_YELLOW_5,
13187         EL_MM_TELEPORTER_YELLOW_4,
13188         EL_MM_TELEPORTER_YELLOW_3,
13189         EL_MM_TELEPORTER_YELLOW_2,
13190         EL_MM_TELEPORTER_YELLOW_1,
13191         EL_MM_TELEPORTER_YELLOW_16,
13192         EL_MM_TELEPORTER_YELLOW_15,
13193         EL_MM_TELEPORTER_YELLOW_14,
13194         EL_MM_TELEPORTER_YELLOW_13,
13195         EL_MM_TELEPORTER_YELLOW_12,
13196         EL_MM_TELEPORTER_YELLOW_11,
13197         EL_MM_TELEPORTER_YELLOW_10,
13198         EL_MM_TELEPORTER_YELLOW_9,
13199         EL_MM_TELEPORTER_YELLOW_8,
13200         EL_MM_TELEPORTER_YELLOW_7,
13201         EL_MM_TELEPORTER_YELLOW_6
13202       },
13203       {
13204         EL_MM_TELEPORTER_GREEN_5,
13205         EL_MM_TELEPORTER_GREEN_4,
13206         EL_MM_TELEPORTER_GREEN_3,
13207         EL_MM_TELEPORTER_GREEN_2,
13208         EL_MM_TELEPORTER_GREEN_1,
13209         EL_MM_TELEPORTER_GREEN_16,
13210         EL_MM_TELEPORTER_GREEN_15,
13211         EL_MM_TELEPORTER_GREEN_14,
13212         EL_MM_TELEPORTER_GREEN_13,
13213         EL_MM_TELEPORTER_GREEN_12,
13214         EL_MM_TELEPORTER_GREEN_11,
13215         EL_MM_TELEPORTER_GREEN_10,
13216         EL_MM_TELEPORTER_GREEN_9,
13217         EL_MM_TELEPORTER_GREEN_8,
13218         EL_MM_TELEPORTER_GREEN_7,
13219         EL_MM_TELEPORTER_GREEN_6
13220       },
13221       {
13222         EL_MM_TELEPORTER_BLUE_5,
13223         EL_MM_TELEPORTER_BLUE_4,
13224         EL_MM_TELEPORTER_BLUE_3,
13225         EL_MM_TELEPORTER_BLUE_2,
13226         EL_MM_TELEPORTER_BLUE_1,
13227         EL_MM_TELEPORTER_BLUE_16,
13228         EL_MM_TELEPORTER_BLUE_15,
13229         EL_MM_TELEPORTER_BLUE_14,
13230         EL_MM_TELEPORTER_BLUE_13,
13231         EL_MM_TELEPORTER_BLUE_12,
13232         EL_MM_TELEPORTER_BLUE_11,
13233         EL_MM_TELEPORTER_BLUE_10,
13234         EL_MM_TELEPORTER_BLUE_9,
13235         EL_MM_TELEPORTER_BLUE_8,
13236         EL_MM_TELEPORTER_BLUE_7,
13237         EL_MM_TELEPORTER_BLUE_6
13238       },
13239       {
13240         EL_MM_POLARIZER_1,
13241         EL_MM_POLARIZER_16,
13242         EL_MM_POLARIZER_15,
13243         EL_MM_POLARIZER_14,
13244         EL_MM_POLARIZER_13,
13245         EL_MM_POLARIZER_12,
13246         EL_MM_POLARIZER_11,
13247         EL_MM_POLARIZER_10,
13248         EL_MM_POLARIZER_9,
13249         EL_MM_POLARIZER_8,
13250         EL_MM_POLARIZER_7,
13251         EL_MM_POLARIZER_6,
13252         EL_MM_POLARIZER_5,
13253         EL_MM_POLARIZER_4,
13254         EL_MM_POLARIZER_3,
13255         EL_MM_POLARIZER_2
13256       },
13257       {
13258         EL_DF_MIRROR_1,
13259         EL_DF_MIRROR_16,
13260         EL_DF_MIRROR_15,
13261         EL_DF_MIRROR_14,
13262         EL_DF_MIRROR_13,
13263         EL_DF_MIRROR_12,
13264         EL_DF_MIRROR_11,
13265         EL_DF_MIRROR_10,
13266         EL_DF_MIRROR_9,
13267         EL_DF_MIRROR_8,
13268         EL_DF_MIRROR_7,
13269         EL_DF_MIRROR_6,
13270         EL_DF_MIRROR_5,
13271         EL_DF_MIRROR_4,
13272         EL_DF_MIRROR_3,
13273         EL_DF_MIRROR_2
13274       },
13275       {
13276         EL_DF_MIRROR_ROTATING_1,
13277         EL_DF_MIRROR_ROTATING_16,
13278         EL_DF_MIRROR_ROTATING_15,
13279         EL_DF_MIRROR_ROTATING_14,
13280         EL_DF_MIRROR_ROTATING_13,
13281         EL_DF_MIRROR_ROTATING_12,
13282         EL_DF_MIRROR_ROTATING_11,
13283         EL_DF_MIRROR_ROTATING_10,
13284         EL_DF_MIRROR_ROTATING_9,
13285         EL_DF_MIRROR_ROTATING_8,
13286         EL_DF_MIRROR_ROTATING_7,
13287         EL_DF_MIRROR_ROTATING_6,
13288         EL_DF_MIRROR_ROTATING_5,
13289         EL_DF_MIRROR_ROTATING_4,
13290         EL_DF_MIRROR_ROTATING_3,
13291         EL_DF_MIRROR_ROTATING_2
13292       },
13293       {
13294         EL_DF_MIRROR_FIXED_1,
13295         EL_DF_MIRROR_FIXED_16,
13296         EL_DF_MIRROR_FIXED_15,
13297         EL_DF_MIRROR_FIXED_14,
13298         EL_DF_MIRROR_FIXED_13,
13299         EL_DF_MIRROR_FIXED_12,
13300         EL_DF_MIRROR_FIXED_11,
13301         EL_DF_MIRROR_FIXED_10,
13302         EL_DF_MIRROR_FIXED_9,
13303         EL_DF_MIRROR_FIXED_8,
13304         EL_DF_MIRROR_FIXED_7,
13305         EL_DF_MIRROR_FIXED_6,
13306         EL_DF_MIRROR_FIXED_5,
13307         EL_DF_MIRROR_FIXED_4,
13308         EL_DF_MIRROR_FIXED_3,
13309         EL_DF_MIRROR_FIXED_2
13310       },
13311
13312       {
13313         -1,
13314       },
13315     };
13316     int i, j;
13317
13318     for (i = 0; swappable_elements[i][0] != -1; i++)
13319     {
13320       int element1 = swappable_elements[i][0];
13321       int element2 = swappable_elements[i][1];
13322
13323       if (old_element == element1 || old_element == element2)
13324         new_element = (old_element == element1 ? element2 : element1);
13325     }
13326
13327     for (i = 0; rotatable_elements_4[i][0] != -1; i++)
13328     {
13329       for (j = 0; j < 4; j++)
13330       {
13331         int element = rotatable_elements_4[i][j];
13332
13333         if (old_element == element)
13334           new_element = (button == 1 ? rotatable_elements_4[i][(j + 3) % 4] :
13335                          button == 2 ? rotatable_elements_4[i][0]           :
13336                          button == 3 ? rotatable_elements_4[i][(j + 1) % 4] :
13337                          old_element);
13338       }
13339     }
13340
13341     for (i = 0; rotatable_elements_8[i][0] != -1; i++)
13342     {
13343       for (j = 0; j < 8; j++)
13344       {
13345         int element = rotatable_elements_8[i][j];
13346
13347         if (old_element == element)
13348           new_element = (button == 1 ? rotatable_elements_8[i][(j + 7) % 8] :
13349                          button == 2 ? rotatable_elements_8[i][0]           :
13350                          button == 3 ? rotatable_elements_8[i][(j + 1) % 8] :
13351                          old_element);
13352       }
13353     }
13354
13355     for (i = 0; rotatable_elements_16[i][0] != -1; i++)
13356     {
13357       for (j = 0; j < 16; j++)
13358       {
13359         int element = rotatable_elements_16[i][j];
13360
13361         if (old_element == element)
13362           new_element = (button == 1 ? rotatable_elements_16[i][(j + 15) % 16] :
13363                          button == 2 ? rotatable_elements_16[i][0]             :
13364                          button == 3 ? rotatable_elements_16[i][(j + 1)  % 16] :
13365                          old_element);
13366       }
13367     }
13368
13369     if (old_element != new_element)
13370     {
13371       int max_infotext_len = getMaxInfoTextLength();
13372       char infotext[MAX_OUTPUT_LINESIZE + 1];
13373
13374       strncpy(infotext, getElementInfoText(new_element), max_infotext_len);
13375       infotext[max_infotext_len] = '\0';
13376
13377       ClearEditorGadgetInfoText();
13378
13379       DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT,
13380                 infotext);
13381     }
13382   }
13383
13384   if (IS_MM_WALL_EDITOR(new_element))
13385     SetElementSimpleExt(x, y, dx, dy, new_element, change_level);
13386   else
13387     SetElementSimple(x, y, new_element, change_level);
13388
13389   last_x = x;
13390   last_y = y;
13391 }
13392
13393 static void ResetIntelliDraw(void)
13394 {
13395   int x, y;
13396
13397   for (x = 0; x < lev_fieldx; x++)
13398     for (y = 0; y < lev_fieldy; y++)
13399       IntelliDrawBuffer[x][y] = Tile[x][y];
13400
13401   SetElementIntelliDraw(-1, -1, -1, -1, EL_UNDEFINED, FALSE, -1);
13402 }
13403
13404 static boolean draw_mode_hires = FALSE;
13405
13406 static boolean isHiresTileElement(int element)
13407 {
13408   return (IS_MM_WALL(element)        || element == EL_EMPTY);
13409 }
13410
13411 static boolean isHiresDrawElement(int element)
13412 {
13413   return (IS_MM_WALL_EDITOR(element) || element == EL_EMPTY);
13414 }
13415
13416 static int numHiresTiles(int element)
13417 {
13418   if (IS_MM_WALL(element))
13419     return get_number_of_bits(MM_WALL_BITS(element));
13420
13421   return 1;
13422 }
13423
13424 static void SetDrawModeHiRes(int element)
13425 {
13426   draw_mode_hires =
13427     (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
13428      isHiresDrawElement(element));
13429 }
13430
13431 static boolean getDrawModeHiRes(void)
13432 {
13433   return draw_mode_hires;
13434 }
13435
13436 static int getLoResScreenPos(int pos)
13437 {
13438   return (getDrawModeHiRes() ? pos / 2 : pos);
13439 }
13440
13441 static int getLoResScreenMod(int pos)
13442 {
13443   return (getDrawModeHiRes() ? pos % 2 : 0);
13444 }
13445
13446 static void SetElementExt(int x, int y, int dx, int dy, int element,
13447                           boolean change_level, int button)
13448 {
13449   if (element < 0)
13450     SetElementSimple(x, y, Tile[x][y], change_level);
13451   else if (GetKeyModState() & KMOD_Shift)
13452     SetElementIntelliDraw(x, y, dx, dy, element, change_level, button);
13453   else
13454     SetElementSimpleExt(x, y, dx, dy, element, change_level);
13455 }
13456
13457 static void SetElement(int x, int y, int element)
13458 {
13459   SetElementExt(x, y, 0, 0, element, TRUE, -1);
13460 }
13461
13462 static void SetElementButton(int x, int y, int dx, int dy, int element,
13463                              int button)
13464 {
13465   SetElementExt(x, y, dx, dy, element, TRUE, button);
13466 }
13467
13468 static void SetElementHiRes(int sx2, int sy2, int element, boolean change_level)
13469 {
13470   int lx = getLoResScreenPos(sx2) + level_xpos;
13471   int ly = getLoResScreenPos(sy2) + level_ypos;
13472   int dx = getLoResScreenMod(sx2);
13473   int dy = getLoResScreenMod(sy2);
13474
13475   SetElementExt(lx, ly, dx, dy, element, change_level, -1);
13476 }
13477
13478 static void SetLevelElementHiRes(int lx2, int ly2, int element)
13479 {
13480   int lx = lx2 / 2;
13481   int ly = ly2 / 2;
13482   int dx = lx2 % 2;
13483   int dy = ly2 % 2;
13484
13485   SetElementExt(lx, ly, dx, dy, element, TRUE, -1);
13486 }
13487
13488 static int getLevelElementHiRes(int lx2, int ly2)
13489 {
13490   int lx = lx2 / 2;
13491   int ly = ly2 / 2;
13492   int dx = lx2 % 2;
13493   int dy = ly2 % 2;
13494   int element = Tile[lx][ly];
13495   unsigned int bitmask = (dx + 1) << (dy * 2);
13496
13497   if (IS_MM_WALL(element))
13498   {
13499     if (element & bitmask)
13500       return map_mm_wall_element(element);
13501     else
13502       return EL_EMPTY;
13503   }
13504
13505   return element;
13506 }
13507
13508 static void DrawLineElement(int x, int y, int element, boolean change_level)
13509 {
13510   SetElementHiRes(x, y, element, change_level);
13511 }
13512
13513 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
13514                      int element, boolean change_level)
13515 {
13516   int xsize = ABS(to_x - from_x);
13517   int ysize = ABS(to_y - from_y);
13518   int dx = (to_x < from_x ? -1 : +1);
13519   int dy = (to_y < from_y ? -1 : +1);
13520   int i;
13521
13522   if (from_y == to_y)                   // horizontal line
13523   {
13524     for (i = 0; i <= xsize; i++)
13525       DrawLineElement(from_x + i * dx, from_y, element, change_level);
13526   }
13527   else if (from_x == to_x)              // vertical line
13528   {
13529     for (i = 0; i <= ysize; i++)
13530       DrawLineElement(from_x, from_y + i * dy, element, change_level);
13531   }
13532   else                                  // diagonal line
13533   {
13534     if (ysize < xsize)                  // a < 1
13535     {
13536       float a = (float)ysize / (float)xsize;
13537
13538       for (i = 0; i <= xsize; i++)
13539       {
13540         int x = dx * i;
13541         int y = dy * (int)(a * i + 0.5);
13542
13543         DrawLineElement(from_x + x, from_y + y, element, change_level);
13544       }
13545     }
13546     else                                // a >= 1
13547     {
13548       float a = (float)xsize / (float)ysize;
13549
13550       for (i = 0; i <= ysize; i++)
13551       {
13552         int x = dx * (int)(a * i + 0.5);
13553         int y = dy * i;
13554
13555         DrawLineElement(from_x + x, from_y + y, element, change_level);
13556       }
13557     }
13558   }
13559 }
13560
13561 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
13562                     int element, boolean change_level)
13563 {
13564   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
13565   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
13566   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
13567   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
13568 }
13569
13570 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
13571                           int element, boolean change_level)
13572 {
13573   int y;
13574
13575   if (from_y > to_y)
13576     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
13577
13578   for (y = from_y; y <= to_y; y++)
13579     DrawLine(from_x, y, to_x, y, element, change_level);
13580 }
13581
13582 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
13583                        int element, boolean change_level)
13584 {
13585   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
13586   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
13587   int len_x = ABS(to_x - from_x);
13588   int len_y = ABS(to_y - from_y);
13589   int radius, x, y;
13590
13591   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
13592
13593   // not optimal (some points get drawn twice) but simple,
13594   // and fast enough for the few points we are drawing
13595
13596   for (x = 0; x <= radius; x++)
13597   {
13598     int sx, sy, sx2, sy2, lx, ly;
13599
13600     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
13601
13602     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
13603     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
13604     sx = getLoResScreenPos(sx2);
13605     sy = getLoResScreenPos(sy2);
13606     lx = sx + level_xpos;
13607     ly = sy + level_ypos;
13608
13609     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
13610       DrawLineElement(sx2, sy2, element, change_level);
13611   }
13612
13613   for (y = 0; y <= radius; y++)
13614   {
13615     int sx, sy, sx2, sy2, lx, ly;
13616
13617     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
13618
13619     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
13620     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
13621     sx = getLoResScreenPos(sx2);
13622     sy = getLoResScreenPos(sy2);
13623     lx = sx + level_xpos;
13624     ly = sy + level_ypos;
13625
13626     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
13627       DrawLineElement(sx2, sy2, element, change_level);
13628   }
13629 }
13630
13631 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
13632                     int element, boolean change_level)
13633 {
13634   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
13635   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
13636
13637   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
13638 }
13639
13640 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
13641
13642 #if DRAW_CIRCLES_BUTTON_AVAILABLE
13643 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
13644                        int element, boolean change_level)
13645 {
13646   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
13647   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
13648   int mirror_to_x2 = from_x - (to_x2 - from_x);
13649   int mirror_to_y2 = from_y - (to_y2 - from_y);
13650
13651   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
13652   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
13653   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
13654   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element, change_level);
13655 }
13656 #endif
13657
13658 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
13659 {
13660   int from_sx, from_sy;
13661   int to_sx, to_sy;
13662
13663   if (from_x > to_x)
13664     swap_numbers(&from_x, &to_x);
13665
13666   if (from_y > to_y)
13667     swap_numbers(&from_y, &to_y);
13668
13669   from_sx = SX + from_x * ed_tilesize;
13670   from_sy = SY + from_y * ed_tilesize;
13671   to_sx = SX + (to_x + 1) * ed_tilesize - 1;
13672   to_sy = SY + (to_y + 1) * ed_tilesize - 1;
13673
13674   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
13675   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
13676   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
13677   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
13678
13679   if (from_x == to_x && from_y == to_y)
13680     MarkTileDirty(from_x/2, from_y/2);
13681   else
13682     redraw_mask |= REDRAW_FIELD;
13683 }
13684
13685 static void DrawAreaBox(int from_x, int from_y, int to_x, int to_y,
13686                         int element, boolean change_level)
13687 {
13688   DrawBox(from_x, from_y, to_x, to_y, element, change_level);
13689 }
13690
13691 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
13692                        int element, boolean change_level)
13693 {
13694   if (element == -1 || change_level)
13695     DrawAreaBox(from_x, from_y, to_x, to_y, -1, FALSE);
13696   else
13697     DrawAreaBorder(from_x, from_y, to_x, to_y);
13698 }
13699
13700 // values for CopyBrushExt()
13701 #define CB_AREA_TO_BRUSH                0
13702 #define CB_BRUSH_TO_CURSOR              1
13703 #define CB_BRUSH_TO_LEVEL               2
13704 #define CB_DELETE_OLD_CURSOR            3
13705 #define CB_DUMP_BRUSH                   4
13706 #define CB_DUMP_BRUSH_SMALL             5
13707 #define CB_CLIPBOARD_TO_BRUSH           6
13708 #define CB_BRUSH_TO_CLIPBOARD           7
13709 #define CB_BRUSH_TO_CLIPBOARD_SMALL     8
13710 #define CB_UPDATE_BRUSH_POSITION        9
13711 #define CB_FLIP_BRUSH_X                 10
13712 #define CB_FLIP_BRUSH_Y                 11
13713 #define CB_FLIP_BRUSH_XY                12
13714
13715 #define MAX_CB_PART_SIZE        10
13716 #define MAX_CB_LINE_SIZE        (MAX_LEV_FIELDX + 1)    // text plus newline
13717 #define MAX_CB_NUM_LINES        (MAX_LEV_FIELDY)
13718 #define MAX_CB_TEXT_SIZE        (MAX_CB_LINE_SIZE *     \
13719                                  MAX_CB_NUM_LINES *     \
13720                                  MAX_CB_PART_SIZE)
13721
13722 static int getFlippedTileExt(int map[], int element)
13723 {
13724   int i;
13725
13726   for (i = 0; map[i] != -1; i++)
13727     if (map[i] == element)
13728       return map[i ^ 1];        // get flipped element by flipping LSB of index
13729
13730   return element;
13731 }
13732
13733 static int getFlippedTileX(int element)
13734 {
13735   int map[] =
13736   {
13737     EL_BD_BUTTERFLY_LEFT,               EL_BD_BUTTERFLY_RIGHT,
13738     EL_BD_FIREFLY_LEFT,                 EL_BD_FIREFLY_RIGHT,
13739     EL_BUG_LEFT,                        EL_BUG_RIGHT,
13740     EL_SPACESHIP_LEFT,                  EL_SPACESHIP_RIGHT,
13741     EL_PACMAN_LEFT,                     EL_PACMAN_RIGHT,
13742     EL_ARROW_LEFT,                      EL_ARROW_RIGHT,
13743     EL_MOLE_LEFT,                       EL_MOLE_RIGHT,
13744     EL_BALLOON_SWITCH_LEFT,             EL_BALLOON_SWITCH_RIGHT,
13745     EL_YAMYAM_LEFT,                     EL_YAMYAM_RIGHT,
13746     EL_SP_PORT_LEFT,                    EL_SP_PORT_RIGHT,
13747     EL_SP_GRAVITY_PORT_LEFT,            EL_SP_GRAVITY_PORT_RIGHT,
13748     EL_SP_GRAVITY_ON_PORT_LEFT,         EL_SP_GRAVITY_ON_PORT_RIGHT,
13749     EL_SP_GRAVITY_OFF_PORT_LEFT,        EL_SP_GRAVITY_OFF_PORT_RIGHT,
13750     EL_CONVEYOR_BELT_1_LEFT,            EL_CONVEYOR_BELT_1_RIGHT,
13751     EL_CONVEYOR_BELT_2_LEFT,            EL_CONVEYOR_BELT_2_RIGHT,
13752     EL_CONVEYOR_BELT_3_LEFT,            EL_CONVEYOR_BELT_3_RIGHT,
13753     EL_CONVEYOR_BELT_4_LEFT,            EL_CONVEYOR_BELT_4_RIGHT,
13754     EL_SPRING_LEFT,                     EL_SPRING_RIGHT,
13755     EL_SP_CHIP_LEFT,                    EL_SP_CHIP_RIGHT,
13756     EL_TUBE_VERTICAL_LEFT,              EL_TUBE_VERTICAL_RIGHT,
13757     EL_TUBE_LEFT_UP,                    EL_TUBE_RIGHT_UP,
13758     EL_TUBE_LEFT_DOWN,                  EL_TUBE_RIGHT_DOWN,
13759     EL_DC_STEELWALL_1_LEFT,             EL_DC_STEELWALL_1_RIGHT,
13760     EL_DC_STEELWALL_1_TOPLEFT,          EL_DC_STEELWALL_1_TOPRIGHT,
13761     EL_DC_STEELWALL_1_BOTTOMLEFT,       EL_DC_STEELWALL_1_BOTTOMRIGHT,
13762     EL_DC_STEELWALL_1_TOPLEFT_2,        EL_DC_STEELWALL_1_TOPRIGHT_2,
13763     EL_DC_STEELWALL_1_BOTTOMLEFT_2,     EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
13764     EL_DC_STEELWALL_2_LEFT,             EL_DC_STEELWALL_2_RIGHT,
13765     EL_ACID_POOL_TOPLEFT,               EL_ACID_POOL_TOPRIGHT,
13766     EL_ACID_POOL_BOTTOMLEFT,            EL_ACID_POOL_BOTTOMRIGHT,
13767
13768     -1
13769   };
13770
13771   return getFlippedTileExt(map, element);
13772 }
13773
13774 static int getFlippedTileY(int element)
13775 {
13776   int map[] =
13777   {
13778     EL_BD_BUTTERFLY_UP,                 EL_BD_BUTTERFLY_DOWN,
13779     EL_BD_FIREFLY_UP,                   EL_BD_FIREFLY_DOWN,
13780     EL_BUG_UP,                          EL_BUG_DOWN,
13781     EL_SPACESHIP_UP,                    EL_SPACESHIP_DOWN,
13782     EL_PACMAN_UP,                       EL_PACMAN_DOWN,
13783     EL_ARROW_UP,                        EL_ARROW_DOWN,
13784     EL_MOLE_UP,                         EL_MOLE_DOWN,
13785     EL_BALLOON_SWITCH_UP,               EL_BALLOON_SWITCH_DOWN,
13786     EL_YAMYAM_UP,                       EL_YAMYAM_DOWN,
13787     EL_SP_PORT_UP,                      EL_SP_PORT_DOWN,
13788     EL_SP_GRAVITY_PORT_UP,              EL_SP_GRAVITY_PORT_DOWN,
13789     EL_SP_GRAVITY_ON_PORT_UP,           EL_SP_GRAVITY_ON_PORT_DOWN,
13790     EL_SP_GRAVITY_OFF_PORT_UP,          EL_SP_GRAVITY_OFF_PORT_DOWN,
13791     EL_SP_CHIP_TOP,                     EL_SP_CHIP_BOTTOM,
13792     EL_TUBE_HORIZONTAL_UP,              EL_TUBE_HORIZONTAL_DOWN,
13793     EL_TUBE_LEFT_UP,                    EL_TUBE_LEFT_DOWN,
13794     EL_TUBE_RIGHT_UP,                   EL_TUBE_RIGHT_DOWN,
13795     EL_DC_STEELWALL_1_TOP,              EL_DC_STEELWALL_1_BOTTOM,
13796     EL_DC_STEELWALL_1_TOPLEFT,          EL_DC_STEELWALL_1_BOTTOMLEFT,
13797     EL_DC_STEELWALL_1_TOPRIGHT,         EL_DC_STEELWALL_1_BOTTOMRIGHT,
13798     EL_DC_STEELWALL_1_TOPLEFT_2,        EL_DC_STEELWALL_1_BOTTOMLEFT_2,
13799     EL_DC_STEELWALL_1_TOPRIGHT_2,       EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
13800     EL_DC_STEELWALL_2_TOP,              EL_DC_STEELWALL_2_BOTTOM,
13801     EL_EMC_WALL_1,                      EL_EMC_WALL_3,
13802
13803     -1
13804   };
13805
13806   return getFlippedTileExt(map, element);
13807 }
13808
13809 static int getFlippedTileXY(int element)
13810 {
13811   int map[] =
13812   {
13813     EL_BD_BUTTERFLY_LEFT,               EL_BD_BUTTERFLY_UP,
13814     EL_BD_BUTTERFLY_RIGHT,              EL_BD_BUTTERFLY_DOWN,
13815     EL_BD_FIREFLY_LEFT,                 EL_BD_FIREFLY_UP,
13816     EL_BD_FIREFLY_RIGHT,                EL_BD_FIREFLY_DOWN,
13817     EL_BUG_LEFT,                        EL_BUG_UP,
13818     EL_BUG_RIGHT,                       EL_BUG_DOWN,
13819     EL_SPACESHIP_LEFT,                  EL_SPACESHIP_UP,
13820     EL_SPACESHIP_RIGHT,                 EL_SPACESHIP_DOWN,
13821     EL_PACMAN_LEFT,                     EL_PACMAN_UP,
13822     EL_PACMAN_RIGHT,                    EL_PACMAN_DOWN,
13823     EL_ARROW_LEFT,                      EL_ARROW_UP,
13824     EL_ARROW_RIGHT,                     EL_ARROW_DOWN,
13825     EL_MOLE_LEFT,                       EL_MOLE_UP,
13826     EL_MOLE_RIGHT,                      EL_MOLE_DOWN,
13827     EL_BALLOON_SWITCH_LEFT,             EL_BALLOON_SWITCH_UP,
13828     EL_BALLOON_SWITCH_RIGHT,            EL_BALLOON_SWITCH_DOWN,
13829     EL_YAMYAM_LEFT,                     EL_YAMYAM_UP,
13830     EL_YAMYAM_RIGHT,                    EL_YAMYAM_DOWN,
13831     EL_SP_PORT_LEFT,                    EL_SP_PORT_UP,
13832     EL_SP_PORT_RIGHT,                   EL_SP_PORT_DOWN,
13833     EL_SP_GRAVITY_PORT_LEFT,            EL_SP_GRAVITY_PORT_UP,
13834     EL_SP_GRAVITY_PORT_RIGHT,           EL_SP_GRAVITY_PORT_DOWN,
13835     EL_SP_GRAVITY_ON_PORT_LEFT,         EL_SP_GRAVITY_ON_PORT_UP,
13836     EL_SP_GRAVITY_ON_PORT_RIGHT,        EL_SP_GRAVITY_ON_PORT_DOWN,
13837     EL_SP_GRAVITY_OFF_PORT_LEFT,        EL_SP_GRAVITY_OFF_PORT_UP,
13838     EL_SP_GRAVITY_OFF_PORT_RIGHT,       EL_SP_GRAVITY_OFF_PORT_DOWN,
13839     EL_SP_CHIP_LEFT,                    EL_SP_CHIP_TOP,
13840     EL_SP_CHIP_RIGHT,                   EL_SP_CHIP_BOTTOM,
13841     EL_TUBE_VERTICAL,                   EL_TUBE_HORIZONTAL,
13842     EL_TUBE_VERTICAL_LEFT,              EL_TUBE_HORIZONTAL_UP,
13843     EL_TUBE_VERTICAL_RIGHT,             EL_TUBE_HORIZONTAL_DOWN,
13844     EL_TUBE_LEFT_DOWN,                  EL_TUBE_RIGHT_UP,
13845     EL_DC_STEELWALL_1_LEFT,             EL_DC_STEELWALL_1_TOP,
13846     EL_DC_STEELWALL_1_RIGHT,            EL_DC_STEELWALL_1_BOTTOM,
13847     EL_DC_STEELWALL_1_HORIZONTAL,       EL_DC_STEELWALL_1_VERTICAL,
13848     EL_DC_STEELWALL_1_TOPRIGHT,         EL_DC_STEELWALL_1_BOTTOMLEFT,
13849     EL_DC_STEELWALL_1_TOPRIGHT_2,       EL_DC_STEELWALL_1_BOTTOMLEFT_2,
13850     EL_DC_STEELWALL_2_LEFT,             EL_DC_STEELWALL_2_TOP,
13851     EL_DC_STEELWALL_2_RIGHT,            EL_DC_STEELWALL_2_BOTTOM,
13852     EL_DC_STEELWALL_2_HORIZONTAL,       EL_DC_STEELWALL_2_VERTICAL,
13853     EL_EXPANDABLE_WALL_HORIZONTAL,      EL_EXPANDABLE_WALL_VERTICAL,
13854     EL_EXPANDABLE_STEELWALL_HORIZONTAL, EL_EXPANDABLE_STEELWALL_VERTICAL,
13855
13856     -1
13857   };
13858
13859   return getFlippedTileExt(map, element);
13860 }
13861
13862 static int getFlippedTile(int element, int mode)
13863 {
13864   if (IS_MM_ELEMENT(element))
13865   {
13866     // get MM game element
13867     element = map_element_RND_to_MM(element);
13868
13869     // get flipped game element
13870     element = (mode == CB_FLIP_BRUSH_X  ? getFlippedTileX_MM(element) :
13871                mode == CB_FLIP_BRUSH_Y  ? getFlippedTileY_MM(element) :
13872                mode == CB_FLIP_BRUSH_XY ? getFlippedTileXY_MM(element) :
13873                element);
13874
13875     // get RND game element again
13876     element = map_element_MM_to_RND(element);
13877   }
13878   else
13879   {
13880     // get flipped game element
13881     element = (mode == CB_FLIP_BRUSH_X  ? getFlippedTileX(element) :
13882                mode == CB_FLIP_BRUSH_Y  ? getFlippedTileY(element) :
13883                mode == CB_FLIP_BRUSH_XY ? getFlippedTileXY(element) :
13884                element);
13885   }
13886
13887   return element;
13888 }
13889
13890 static void SwapFlippedTiles(short *tile1, short *tile2, int mode)
13891 {
13892   // flip tiles
13893   short tile1_flipped = getFlippedTile(*tile1, mode);
13894   short tile2_flipped = getFlippedTile(*tile2, mode);
13895
13896   // swap tiles
13897   *tile1 = tile2_flipped;
13898   *tile2 = tile1_flipped;
13899 }
13900
13901 static void DrawBrushElement(int sx, int sy, int element, boolean change_level)
13902 {
13903   DrawLineElement(sx, sy, element, change_level);
13904 }
13905
13906 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
13907                          int button, int mode)
13908 {
13909   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
13910   static int brush_width, brush_height;
13911   static int last_cursor_x = -1, last_cursor_y = -1;
13912   static boolean delete_old_brush = FALSE;
13913   int new_element = BUTTON_ELEMENT(button);
13914   int x, y;
13915
13916   if (mode == CB_DUMP_BRUSH ||
13917       mode == CB_DUMP_BRUSH_SMALL ||
13918       mode == CB_BRUSH_TO_CLIPBOARD ||
13919       mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
13920   {
13921     if (edit_mode != ED_MODE_DRAWING)
13922       return;
13923
13924     char part[MAX_CB_PART_SIZE + 1] = "";
13925     char text[MAX_CB_TEXT_SIZE + 1] = "";
13926     int width  = (draw_with_brush ? brush_width  : lev_fieldx);
13927     int height = (draw_with_brush ? brush_height : lev_fieldy);
13928     char *format = "%s%03d";
13929
13930     for (y = 0; y < height; y++)
13931       for (x = 0; x < width; x++)
13932         if ((draw_with_brush ? brush_buffer[x][y] : Tile[x][y]) > 999)
13933           format = "%s%04d";
13934
13935     for (y = 0; y < height; y++)
13936     {
13937       for (x = 0; x < width; x++)
13938       {
13939         int element = (draw_with_brush ? brush_buffer[x][y] : Tile[x][y]);
13940         char *prefix = (mode == CB_DUMP_BRUSH ||
13941                         mode == CB_BRUSH_TO_CLIPBOARD ? "`" : "¸");
13942
13943         if (element >= NUM_FILE_ELEMENTS)
13944           element = EL_UNKNOWN;
13945
13946         // copy brush to level sketch text buffer for the R'n'D forum:
13947         // - large tiles: `xxx or `xxxx (0x60 ASCII)
13948         // - small tiles: ¸xxx or ¸xxxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
13949         snprintf(part, MAX_CB_PART_SIZE + 1, format, prefix, element);
13950         strcat(text, part);
13951       }
13952
13953       strcat(text, "\n");
13954     }
13955
13956     if (mode == CB_BRUSH_TO_CLIPBOARD ||
13957         mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
13958       SDL_SetClipboardText(text);
13959     else
13960       Print("%s", text);        // print brush data to console and log file
13961
13962     return;
13963   }
13964
13965   if (mode == CB_CLIPBOARD_TO_BRUSH)
13966   {
13967     if (edit_mode != ED_MODE_DRAWING)
13968       return;
13969
13970     if (!SDL_HasClipboardText())
13971     {
13972       Request("Clipboard is empty!", REQ_CONFIRM);
13973
13974       return;
13975     }
13976
13977     boolean copy_to_brush = (draw_with_brush ||
13978                              drawing_function == GADGET_ID_GRAB_BRUSH);
13979
13980     // this will delete the old brush, if already drawing with a brush
13981     if (copy_to_brush)
13982       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], MB_LEFTBUTTON);
13983
13984     // initialization is required for "odd" (incomplete) clipboard content
13985     for (x = 0; x < MAX_LEV_FIELDX; x++)
13986       for (y = 0; y < MAX_LEV_FIELDY; y++)
13987         brush_buffer[x][y] = EL_EMPTY;
13988
13989     brush_width  = 0;
13990     brush_height = 0;
13991     x = 0;
13992     y = 0;
13993
13994     char *clipboard_text = SDL_GetClipboardText();
13995     char *ptr = clipboard_text;
13996     boolean allow_new_row = FALSE;
13997     boolean stop = FALSE;
13998
13999     while (*ptr && !stop)
14000     {
14001       boolean prefix_found = FALSE;
14002       boolean start_new_row = FALSE;
14003
14004       // level sketch element number prefixes (may be multi-byte characters)
14005       char *prefix_list[] = { "`", "¸" };
14006       int i;
14007
14008       for (i = 0; i < ARRAY_SIZE(prefix_list); i++)
14009       {
14010         char *prefix = prefix_list[i];
14011
14012         // check if string is large enough for prefix
14013         if (strlen(ptr) < strlen(prefix))
14014         {
14015           stop = TRUE;
14016
14017           break;
14018         }
14019
14020         // check if string starts with prefix
14021         if (strPrefix(ptr, prefix))
14022         {
14023           ptr += strlen(prefix);
14024
14025           prefix_found = TRUE;
14026
14027           break;
14028         }
14029       }
14030
14031       // check if prefix found and followed by (at least) three digits
14032       if (prefix_found &&
14033           strlen(ptr) >= 3 &&
14034           ptr[0] >= '0' && ptr[0] <= '9' &&
14035           ptr[1] >= '0' && ptr[1] <= '9' &&
14036           ptr[2] >= '0' && ptr[2] <= '9')
14037       {
14038         int element = ((ptr[0] - '0') * 100 +
14039                        (ptr[1] - '0') * 10 +
14040                        (ptr[2] - '0'));
14041
14042         ptr += 3;
14043
14044         // level sketch element number might consist of four digits
14045         if (ptr[0] >= '0' && ptr[0] <= '9')
14046         {
14047           element = element * 10 + (ptr[0] - '0');
14048           ptr++;
14049         }
14050
14051         // remap some (historic, now obsolete) elements
14052         element = getMappedElement(element);
14053
14054         if (element >= NUM_FILE_ELEMENTS)
14055           element = EL_UNKNOWN;
14056
14057         brush_buffer[x][y] = element;
14058
14059         brush_width  = MAX(x + 1, brush_width);
14060         brush_height = MAX(y + 1, brush_height);
14061
14062         x++;
14063
14064         if (x >= MAX_LEV_FIELDX)
14065           start_new_row = TRUE;
14066
14067         allow_new_row = TRUE;
14068       }
14069       else
14070       {
14071         if ((*ptr == '\n' || *ptr == '\r') && allow_new_row)
14072           start_new_row = TRUE;
14073
14074         ptr++;          // !!! FIX THIS for real UTF-8 handling !!!
14075       }
14076
14077       if (start_new_row)
14078       {
14079         x = 0;
14080         y++;
14081
14082         if (y >= MAX_LEV_FIELDY)
14083           stop = TRUE;
14084
14085         allow_new_row = FALSE;
14086       }
14087     }
14088
14089     SDL_free(clipboard_text);
14090
14091     if (brush_width == 0 || brush_height == 0)
14092     {
14093       Request("No level sketch found in clipboard!", REQ_CONFIRM);
14094
14095       return;
14096     }
14097
14098     if (copy_to_brush)
14099     {
14100       struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_DRAWING_LEVEL];
14101       int mx, my;
14102
14103       SDL_GetMouseState(&mx, &my);
14104
14105       // if inside drawing area, activate and draw brush at last mouse position
14106       if (mx >= gi->x && mx < gi->x + gi->width &&
14107           my >= gi->y && my < gi->y + gi->height)
14108         CopyBrushToCursor(last_cursor_x, last_cursor_y);
14109
14110       draw_with_brush = TRUE;
14111     }
14112     else
14113     {
14114       char request[100];
14115
14116       sprintf(request, "Replace level with %dx%d level sketch from clipboard?",
14117               brush_width, brush_height);
14118
14119       if (!Request(request, REQ_ASK))
14120         return;
14121
14122       for (x = 0; x < MAX_LEV_FIELDX; x++)
14123         for (y = 0; y < MAX_LEV_FIELDY; y++)
14124           Tile[x][y] = brush_buffer[x][y];
14125
14126       lev_fieldx = level.fieldx = brush_width;
14127       lev_fieldy = level.fieldy = brush_height;
14128
14129       boolean use_bd_engine = TRUE;
14130       boolean use_em_engine = TRUE;
14131       boolean use_sp_engine = TRUE;
14132       boolean use_mm_engine = TRUE;
14133
14134       for (x = 0; x < MAX_LEV_FIELDX; x++)
14135       {
14136         for (y = 0; y < MAX_LEV_FIELDY; y++)
14137         {
14138           int element = Tile[x][y];
14139
14140           if (!IS_BD_ELEMENT(element) && !IS_PLAYER_ELEMENT(element))
14141             use_bd_engine = FALSE;
14142
14143           if (!IS_EM_ELEMENT(element) && !IS_PLAYER_ELEMENT(element))
14144             use_em_engine = FALSE;
14145
14146           if (!IS_SP_ELEMENT(element))
14147             use_sp_engine = FALSE;
14148
14149           if (!IS_MM_ELEMENT(element) && element != EL_EMPTY)
14150             use_mm_engine = FALSE;
14151         }
14152       }
14153
14154       level.game_engine_type = (use_bd_engine ? GAME_ENGINE_TYPE_BD :
14155                                 use_em_engine ? GAME_ENGINE_TYPE_EM :
14156                                 use_sp_engine ? GAME_ENGINE_TYPE_SP :
14157                                 use_mm_engine ? GAME_ENGINE_TYPE_MM :
14158                                 GAME_ENGINE_TYPE_RND);
14159
14160       // update element selection list
14161       ReinitializeElementList();
14162       ModifyEditorElementList();
14163
14164       SetBorderElement();
14165
14166       DrawEditModeWindow();
14167       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14168     }
14169
14170     return;
14171   }
14172
14173   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
14174     return;
14175
14176   if (mode == CB_AREA_TO_BRUSH)
14177   {
14178     int from_lx, from_ly;
14179
14180     if (from_x > to_x)
14181       swap_numbers(&from_x, &to_x);
14182
14183     if (from_y > to_y)
14184       swap_numbers(&from_y, &to_y);
14185
14186     brush_width = to_x - from_x + 1;
14187     brush_height = to_y - from_y + 1;
14188
14189     from_lx = from_x + level_xpos;
14190     from_ly = from_y + level_ypos;
14191
14192     for (y = 0; y < brush_height; y++)
14193     {
14194       for (x = 0; x < brush_width; x++)
14195       {
14196         brush_buffer[x][y] = Tile[from_lx + x][from_ly + y];
14197
14198         if (button != 1)
14199           DrawBrushElement(from_x + x, from_y + y, new_element, TRUE);
14200       }
14201     }
14202
14203     if (button != 1)
14204       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14205
14206     delete_old_brush = FALSE;
14207   }
14208   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
14209            mode == CB_BRUSH_TO_LEVEL)
14210   {
14211     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
14212     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
14213     int cursor_from_x = cursor_x - brush_width / 2;
14214     int cursor_from_y = cursor_y - brush_height / 2;
14215     int border_from_x = cursor_x, border_from_y = cursor_y;
14216     int border_to_x = cursor_x, border_to_y = cursor_y;
14217
14218     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
14219       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
14220
14221     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
14222         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
14223     {
14224       delete_old_brush = FALSE;
14225
14226       return;
14227     }
14228
14229     for (y = 0; y < brush_height; y++)
14230     {
14231       for (x = 0; x < brush_width; x++)
14232       {
14233         int sx = cursor_from_x + x;
14234         int sy = cursor_from_y + y;
14235         int lx = sx + level_xpos;
14236         int ly = sy + level_ypos;
14237         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
14238         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
14239                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
14240                        brush_buffer[x][y] : new_element);
14241
14242         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
14243         {
14244           if (sx < border_from_x)
14245             border_from_x = sx;
14246           else if (sx > border_to_x)
14247             border_to_x = sx;
14248           if (sy < border_from_y)
14249             border_from_y = sy;
14250           else if (sy > border_to_y)
14251             border_to_y = sy;
14252
14253           DrawBrushElement(sx, sy, element, change_level);
14254         }
14255       }
14256     }
14257
14258     if (mode != CB_DELETE_OLD_CURSOR)
14259       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
14260
14261     last_cursor_x = cursor_x;
14262     last_cursor_y = cursor_y;
14263
14264     delete_old_brush = TRUE;
14265   }
14266   else if (mode == CB_FLIP_BRUSH_X)
14267   {
14268     for (y = 0; y < brush_height; y++)
14269       for (x = 0; x < (brush_width + 1) / 2; x++)
14270         SwapFlippedTiles(&brush_buffer[x][y],
14271                          &brush_buffer[brush_width - x - 1][y], mode);
14272
14273     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
14274   }
14275   else if (mode == CB_FLIP_BRUSH_Y)
14276   {
14277     for (y = 0; y < (brush_height + 1) / 2; y++)
14278       for (x = 0; x < brush_width; x++)
14279         SwapFlippedTiles(&brush_buffer[x][y],
14280                          &brush_buffer[x][brush_height - y - 1], mode);
14281
14282     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
14283   }
14284   else if (mode == CB_FLIP_BRUSH_XY)
14285   {
14286     CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
14287
14288     for (y = 0; y < MAX(brush_width, brush_height); y++)
14289       for (x = 0; x <= y; x++)
14290         SwapFlippedTiles(&brush_buffer[x][y],
14291                          &brush_buffer[y][x], mode);
14292
14293     swap_numbers(&brush_width, &brush_height);
14294
14295     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
14296   }
14297
14298   if (mode == CB_UPDATE_BRUSH_POSITION)
14299   {
14300     last_cursor_x = from_x;
14301     last_cursor_y = from_y;
14302   }
14303 }
14304
14305 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
14306                             int button)
14307 {
14308   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
14309 }
14310
14311 static void CopyBrushToLevel(int x, int y, int button)
14312 {
14313   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
14314 }
14315
14316 static void CopyBrushToCursor(int x, int y)
14317 {
14318   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
14319 }
14320
14321 static void UpdateBrushPosition(int x, int y)
14322 {
14323   CopyBrushExt(x, y, 0, 0, 0, CB_UPDATE_BRUSH_POSITION);
14324 }
14325
14326 static void DeleteBrushFromCursor(void)
14327 {
14328   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
14329 }
14330
14331 static void FlipBrushX(void)
14332 {
14333   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_X);
14334 }
14335
14336 static void FlipBrushY(void)
14337 {
14338   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_Y);
14339 }
14340
14341 static void RotateBrush(void)
14342 {
14343   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_XY);
14344   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_X);
14345 }
14346
14347 void DumpBrush(void)
14348 {
14349   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
14350 }
14351
14352 void DumpBrush_Small(void)
14353 {
14354   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
14355 }
14356
14357 void CopyClipboardToBrush(void)
14358 {
14359   CopyBrushExt(0, 0, 0, 0, 0, CB_CLIPBOARD_TO_BRUSH);
14360 }
14361
14362 void CopyBrushToClipboard(void)
14363 {
14364   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD);
14365 }
14366
14367 void CopyBrushToClipboard_Small(void)
14368 {
14369   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD_SMALL);
14370 }
14371
14372 void UndoLevelEditorOperation(void)
14373 {
14374   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], -1);
14375 }
14376
14377 void RedoLevelEditorOperation(void)
14378 {
14379   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
14380 }
14381
14382 static void FloodFill(int from_x, int from_y, int fill_element)
14383 {
14384   FloodFillLevel(from_x, from_y, fill_element, Tile, lev_fieldx, lev_fieldy);
14385 }
14386
14387 static void FloodFillWall_MM(int from_sx2, int from_sy2, int fill_element)
14388 {
14389   int from_x = from_sx2 + 2 * level_xpos;
14390   int from_y = from_sy2 + 2 * level_ypos;
14391   int max_fillx = lev_fieldx * 2;
14392   int max_filly = lev_fieldy * 2;
14393   short Fill[max_fillx][max_filly];
14394   int x, y;
14395
14396   for (x = 0; x < max_fillx; x++)
14397     for (y = 0; y < max_filly; y++)
14398       Fill[x][y] = getLevelElementHiRes(x, y);
14399
14400   FloodFillLevelExt(from_x, from_y, fill_element, max_fillx, max_filly,
14401                     Fill, max_fillx, max_filly);
14402
14403   for (x = 0; x < max_fillx; x++)
14404     for (y = 0; y < max_filly; y++)
14405       if (Fill[x][y] == fill_element)
14406         SetLevelElementHiRes(x, y, Fill[x][y]);
14407 }
14408
14409 // values for DrawLevelText() modes
14410 #define TEXT_INIT               0
14411 #define TEXT_SETCURSOR          1
14412 #define TEXT_WRITECHAR          2
14413 #define TEXT_BACKSPACE          3
14414 #define TEXT_NEWLINE            4
14415 #define TEXT_END                5
14416 #define TEXT_QUERY_TYPING       6
14417
14418 static int DrawLevelText(int sx, int sy, char letter, int mode)
14419 {
14420   static short delete_buffer[MAX_LEV_FIELDX];
14421   static int start_sx;
14422   static int last_sx, last_sy;
14423   static boolean typing = FALSE;
14424   int letter_element;
14425   int lx = 0, ly = 0;
14426
14427   // map lower case letters to upper case and convert special characters
14428   if (letter >= 'a' && letter <= 'z')
14429     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
14430   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
14431     letter_element = EL_CHAR_AUMLAUT;
14432   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
14433     letter_element = EL_CHAR_OUMLAUT;
14434   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
14435     letter_element = EL_CHAR_UUMLAUT;
14436   else if (letter == '^')
14437     letter_element = EL_CHAR_COPYRIGHT;
14438   else
14439     letter_element = EL_CHAR_ASCII0 + letter;
14440
14441   if (mode != TEXT_INIT)
14442   {
14443     if (!typing)
14444       return FALSE;
14445
14446     if (mode != TEXT_SETCURSOR)
14447     {
14448       sx = last_sx;
14449       sy = last_sy;
14450     }
14451
14452     lx = last_sx + level_xpos;
14453     ly = last_sy + level_ypos;
14454   }
14455
14456   switch (mode)
14457   {
14458     case TEXT_INIT:
14459       if (typing)
14460         DrawLevelText(0, 0, 0, TEXT_END);
14461
14462       typing = TRUE;
14463       start_sx = sx;
14464       last_sx = sx;
14465       last_sy = sy;
14466       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
14467       break;
14468
14469     case TEXT_SETCURSOR:
14470       DrawEditorElement(last_sx, last_sy, Tile[lx][ly]);
14471       DrawAreaBorder(sx, sy, sx, sy);
14472       StartTextInput(SX + sx * ed_tilesize, SY + sy * ed_tilesize,
14473                      ed_tilesize, ed_tilesize);
14474       last_sx = sx;
14475       last_sy = sy;
14476       break;
14477
14478     case TEXT_WRITECHAR:
14479       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
14480       {
14481         if (new_element1 >= EL_STEEL_CHAR_START &&
14482             new_element1 <= EL_STEEL_CHAR_END)
14483           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
14484
14485         delete_buffer[sx - start_sx] = Tile[lx][ly];
14486         Tile[lx][ly] = letter_element;
14487
14488         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
14489           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
14490         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
14491           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
14492         else
14493           DrawLevelText(0, 0, 0, TEXT_END);
14494
14495         level.changed = TRUE;
14496       }
14497       break;
14498
14499     case TEXT_BACKSPACE:
14500       if (sx > start_sx)
14501       {
14502         Tile[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
14503         DrawEditorElement(sx - 1, sy, Tile[lx - 1][ly]);
14504         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
14505       }
14506       break;
14507
14508     case TEXT_NEWLINE:
14509       if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
14510         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
14511       else
14512         DrawLevelText(0, 0, 0, TEXT_END);
14513       break;
14514
14515     case TEXT_END:
14516       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14517       DrawEditorElement(sx, sy, Tile[lx][ly]);
14518       StopTextInput();
14519       typing = FALSE;
14520       break;
14521
14522     case TEXT_QUERY_TYPING:
14523       break;
14524
14525     default:
14526       break;
14527   }
14528
14529   return typing;
14530 }
14531
14532 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
14533                           int element, boolean change_level)
14534 {
14535   int lx = sx + level_xpos;
14536   int ly = sy + level_ypos;
14537
14538   if (element == -1)
14539     DrawEditorElement(sx, sy, Tile[lx][ly]);
14540   else
14541     DrawAreaBorder(sx, sy, sx, sy);
14542 }
14543
14544 static void CheckLevelBorderElement(boolean redraw_playfield)
14545 {
14546   int last_border_element = BorderElement;
14547
14548   SetBorderElement();
14549
14550   if (redraw_playfield && BorderElement != last_border_element)
14551     DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14552 }
14553
14554 static void CopyLevelToUndoBuffer(int mode)
14555 {
14556   static boolean accumulated_undo = FALSE;
14557   boolean new_undo_buffer_position = TRUE;
14558   int x, y;
14559
14560   if (undo_buffer_steps == 0)
14561     accumulated_undo = FALSE;
14562
14563   switch (mode)
14564   {
14565     case UNDO_IMMEDIATE:
14566       accumulated_undo = FALSE;
14567       break;
14568
14569     case UNDO_ACCUMULATE:
14570       if (accumulated_undo)
14571         new_undo_buffer_position = FALSE;
14572       accumulated_undo = TRUE;
14573       break;
14574
14575     default:
14576       break;
14577   }
14578
14579   if (new_undo_buffer_position)
14580   {
14581     // advance position in undo buffer ring
14582     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
14583
14584     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
14585       undo_buffer_steps++;
14586   }
14587
14588   // always reset redo buffer when storing level change into undo buffer
14589   redo_buffer_steps = 0;
14590
14591   for (x = 0; x < lev_fieldx; x++)
14592     for (y = 0; y < lev_fieldy; y++)
14593       UndoBuffer[undo_buffer_position][x][y] = Tile[x][y];
14594
14595   // check if drawing operation forces change of border style
14596   CheckLevelBorderElement(TRUE);
14597
14598   level.changed = TRUE;
14599 }
14600
14601 static void RandomPlacement(int new_element)
14602 {
14603   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
14604   int num_free_positions = 0;
14605   int num_percentage, num_elements;
14606   int x, y;
14607
14608   ResetIntelliDraw();
14609
14610   // determine number of free positions for randomly placing the new element
14611   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
14612   {
14613     free_position[x][y] =
14614       (random_placement_background_restricted ?
14615        Tile[x][y] == random_placement_background_element :
14616        Tile[x][y] != new_element);
14617
14618     if (free_position[x][y])
14619       num_free_positions++;
14620   }
14621
14622   // determine number of new elements to place there
14623   num_percentage = num_free_positions * random_placement_value / 100;
14624   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
14625                   num_percentage : random_placement_value);
14626
14627   // if less free positions than elements to place, fill all these positions
14628   if (num_free_positions < num_elements)
14629   {
14630     for (x = 0; x < lev_fieldx; x++)
14631       for (y = 0; y < lev_fieldy; y++)
14632         if (free_position[x][y])
14633           SetElement(x, y, new_element);
14634   }
14635   else
14636   {
14637     while (num_elements > 0)
14638     {
14639       x = GetSimpleRandom(lev_fieldx);
14640       y = GetSimpleRandom(lev_fieldy);
14641
14642       // don't place element at the same position twice
14643       if (free_position[x][y])
14644       {
14645         free_position[x][y] = FALSE;
14646         SetElement(x, y, new_element);
14647         num_elements--;
14648       }
14649     }
14650   }
14651
14652   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14653   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14654 }
14655
14656 static void WrapLevel(int dx, int dy)
14657 {
14658   int wrap_dx = lev_fieldx - dx;
14659   int wrap_dy = lev_fieldy - dy;
14660   int x, y;
14661
14662   for (x = 0; x < lev_fieldx; x++)
14663     for (y = 0; y < lev_fieldy; y++)
14664       TileBackup[x][y] = Tile[x][y];
14665
14666   for (x = 0; x < lev_fieldx; x++)
14667     for (y = 0; y < lev_fieldy; y++)
14668       Tile[x][y] =
14669         TileBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
14670
14671   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14672   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
14673 }
14674
14675 static void DrawAreaElementHighlight(boolean highlighted,
14676                                      boolean highlighted_similar)
14677 {
14678   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14679
14680   if (!highlighted)
14681     return;
14682
14683   int x, y;
14684
14685   for (x = 0; x < ed_fieldx; x++)
14686   {
14687     for (y = 0; y < ed_fieldy; y++)
14688     {
14689       boolean highlight = FALSE;
14690       int lx = x + level_xpos;
14691       int ly = y + level_ypos;
14692
14693       if (!IN_LEV_FIELD(lx, ly))
14694         continue;
14695
14696       // check if element is the same
14697       if (Tile[lx][ly] == new_element1)
14698         highlight = TRUE;
14699
14700       // check if element is similar
14701       if (highlighted_similar &&
14702           strEqual(element_info[Tile[lx][ly]].class_name,
14703                    element_info[new_element1].class_name))
14704         highlight = TRUE;
14705
14706       // check if element is matching MM style wall
14707       if (IS_MM_WALL(Tile[lx][ly]) &&
14708           map_mm_wall_element(Tile[lx][ly]) == new_element1)
14709         highlight = TRUE;
14710
14711       if (!highlight)
14712         continue;
14713
14714       if (IS_MM_WALL(Tile[lx][ly]) && !highlighted_similar)
14715       {
14716         int i;
14717
14718         for (i = 0; i < 4; i++)
14719         {
14720           if (!(MM_WALL_BITS(Tile[lx][ly]) & (1 << i)))
14721             continue;
14722
14723           int xx = x * 2 + (i % 2);
14724           int yy = y * 2 + (i / 2);
14725           int sx = SX + xx * ed_tilesize / 2;
14726           int sy = SY + yy * ed_tilesize / 2;
14727           int from_sx = sx;
14728           int from_sy = sy;
14729           int to_sx = sx + ed_tilesize / 2 - 1;
14730           int to_sy = sy + ed_tilesize / 2 - 1;
14731
14732           DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx,   from_sy);
14733           DrawSimpleWhiteLine(drawto, to_sx,   from_sy, to_sx,   to_sy);
14734           DrawSimpleWhiteLine(drawto, to_sx,   to_sy,   from_sx, to_sy);
14735           DrawSimpleWhiteLine(drawto, from_sx, to_sy,   from_sx, from_sy);
14736         }
14737       }
14738       else
14739       {
14740         int sx = SX + x * ed_tilesize;
14741         int sy = SY + y * ed_tilesize;
14742         int from_sx = sx;
14743         int from_sy = sy;
14744         int to_sx = sx + ed_tilesize - 1;
14745         int to_sy = sy + ed_tilesize - 1;
14746
14747         DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx,   from_sy);
14748         DrawSimpleWhiteLine(drawto, to_sx,   from_sy, to_sx,   to_sy);
14749         DrawSimpleWhiteLine(drawto, to_sx,   to_sy,   from_sx, to_sy);
14750         DrawSimpleWhiteLine(drawto, from_sx, to_sy,   from_sx, from_sy);
14751       }
14752     }
14753   }
14754 }
14755
14756 static void CopyLevelTemplateToUserLevelSet(char *levelset_subdir)
14757 {
14758   char *template_filename_old = getLocalLevelTemplateFilename();
14759   char *template_filename_new =
14760     getPath2(getUserLevelDir(levelset_subdir), LEVELTEMPLATE_FILENAME);
14761
14762   if (copyFile(template_filename_old, template_filename_new) != 0)
14763     Request("Cannot copy level template!", REQ_CONFIRM);
14764
14765   free(template_filename_new);
14766 }
14767
14768 static void HandleDrawingAreas(struct GadgetInfo *gi)
14769 {
14770   static boolean started_inside_drawing_area = FALSE;
14771   static int last_sx = -1;
14772   static int last_sy = -1;
14773   static int last_sx2 = -1;
14774   static int last_sy2 = -1;
14775   int id = gi->custom_id;
14776   int type_id = gi->custom_type_id;
14777   boolean button_press_event;
14778   boolean button_release_event;
14779   boolean inside_drawing_area = !gi->event.off_borders;
14780   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
14781   int actual_drawing_function;
14782   int button = gi->event.button;
14783   int new_element = BUTTON_ELEMENT(button);
14784   int sx = gi->event.x, sy = gi->event.y;
14785   int min_sx = 0, min_sy = 0;
14786   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
14787   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
14788   int mini_item_xsize = item_xsize / 2, mini_item_ysize = item_ysize / 2;
14789   int sx2 = gi->event.mx / mini_item_xsize;
14790   int sy2 = gi->event.my / mini_item_ysize;
14791   int dx = sx2 % 2;
14792   int dy = sy2 % 2;
14793   int lx = 0, ly = 0;
14794   int x, y;
14795
14796   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
14797   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
14798
14799   // make sure to stay inside drawing area boundaries
14800   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
14801   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
14802
14803   if (draw_level)
14804   {
14805     int min_lx = 0, min_ly = 0;
14806     int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
14807
14808     // get positions inside level field
14809     lx = sx + level_xpos;
14810     ly = sy + level_ypos;
14811
14812     if (!IN_LEV_FIELD(lx, ly))
14813       inside_drawing_area = FALSE;
14814
14815     // make sure to stay inside level field boundaries
14816     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
14817     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
14818
14819     // correct drawing area positions accordingly
14820     sx = lx - level_xpos;
14821     sy = ly - level_ypos;
14822   }
14823
14824   // also correct MM wall-sized (double) drawing area positions accordingly
14825   if (sx2 / 2 < sx || sx2 / 2 > sx)
14826   {
14827     dx = (sx2 / 2 < sx ? 0 : 1);
14828     sx2 = sx * 2 + dx;
14829   }
14830   if (sy2 / 2 < sy || sy2 / 2 > sy)
14831   {
14832     dy = (sy2 / 2 < sy ? 0 : 1);
14833     sy2 = sy * 2 + dy;
14834   }
14835
14836   if (!button_press_event && !button_release_event)
14837   {
14838     int old_element = (IN_LEV_FIELD(lx, ly) ? Tile[lx][ly] : EL_UNDEFINED);
14839     boolean hires_drawing = (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
14840                              isHiresTileElement(old_element) &&
14841                              isHiresDrawElement(new_element));
14842
14843     // prevent handling events for every pixel position when moving mouse
14844     if ((sx == last_sx && sy == last_sy && !hires_drawing) ||
14845         (sx2 == last_sx2 && sy2 == last_sy2))
14846       return;
14847   }
14848
14849   last_sx = sx;
14850   last_sy = sy;
14851   last_sx2 = sx2;
14852   last_sy2 = sy2;
14853
14854   if (button_press_event)
14855     started_inside_drawing_area = inside_drawing_area;
14856
14857   if (!started_inside_drawing_area)
14858     return;
14859
14860   if (!IS_VALID_BUTTON(button))
14861     return;
14862
14863   // handle info callback for each invocation of action callback
14864   gi->callback_info(gi);
14865
14866   // automatically switch to 'single item' drawing mode, if needed
14867   actual_drawing_function =
14868     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
14869      drawing_function : GADGET_ID_SINGLE_ITEMS);
14870
14871   // clicking into drawing area with pressed Control key picks element
14872   if (GetKeyModState() & KMOD_Control)
14873   {
14874     last_drawing_function = drawing_function;
14875     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
14876   }
14877
14878   if (GetKeyModState() & KMOD_Shift)
14879   {
14880     if (button_press_event || button_release_event)
14881       ResetIntelliDraw();
14882   }
14883
14884   SetDrawModeHiRes(-1);         // reset to normal draw mode
14885
14886   switch (actual_drawing_function)
14887   {
14888     case GADGET_ID_SINGLE_ITEMS:
14889       if (draw_level)
14890       {
14891         if (button_release_event)
14892         {
14893           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14894
14895           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
14896               !inside_drawing_area)
14897             DeleteBrushFromCursor();
14898
14899           break;
14900         }
14901
14902         if (draw_with_brush)
14903         {
14904           CopyBrushToLevel(sx, sy, button);
14905         }
14906         else
14907         {
14908           SetDrawModeHiRes(new_element);
14909
14910           if (IS_PLAYER_ELEMENT(new_element) || IS_MM_MCDUFFIN(new_element))
14911           {
14912             // remove player at old position
14913             for (y = 0; y < lev_fieldy; y++)
14914             {
14915               for (x = 0; x < lev_fieldx; x++)
14916               {
14917                 int old_element = Tile[x][y];
14918
14919                 if (IS_PLAYER_ELEMENT(old_element) &&
14920                     IS_PLAYER_ELEMENT(new_element))
14921                 {
14922                   int replaced_with_element =
14923                     (old_element == EL_SOKOBAN_FIELD_PLAYER &&
14924                      new_element == EL_PLAYER_1 ? EL_SOKOBAN_FIELD_EMPTY :
14925
14926                      old_element == EL_SOKOBAN_FIELD_PLAYER &&
14927                      new_element == old_element ? EL_SOKOBAN_FIELD_EMPTY :
14928
14929                      new_element == EL_SOKOBAN_FIELD_PLAYER &&
14930                      old_element == EL_PLAYER_1 ? EL_EMPTY :
14931
14932                      new_element >= EL_PLAYER_1 &&
14933                      new_element <= EL_PLAYER_4 &&
14934                      new_element == old_element ? EL_EMPTY :
14935
14936                      old_element);
14937
14938                   SetElement(x, y, replaced_with_element);
14939                 }
14940                 else if (IS_MM_MCDUFFIN(old_element) &&
14941                          IS_MM_MCDUFFIN(new_element))
14942                 {
14943                   // remove McDuffin at old position
14944                   SetElement(x, y, EL_EMPTY);
14945                 }
14946               }
14947             }
14948           }
14949
14950           SetElementButton(lx, ly, dx, dy, new_element, button);
14951         }
14952       }
14953       else if (!button_release_event)
14954       {
14955         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
14956
14957         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
14958           DrawMiniGraphicExt(drawto,
14959                              gi->x + sx * MINI_TILEX,
14960                              gi->y + sy * MINI_TILEY,
14961                              el2edimg(new_element));
14962         else
14963           DrawFixedGraphicExt(drawto,
14964                               gi->x + sx * TILEX,
14965                               gi->y + sy * TILEY,
14966                               el2edimg(new_element), 0);
14967
14968         if (id == GADGET_ID_CUSTOM_GRAPHIC)
14969           new_element = GFX_ELEMENT(new_element);
14970
14971         drawingarea_info[type_id].value[pos] = new_element;
14972
14973         CopyElementPropertiesToGame(properties_element);
14974
14975         if (id == GADGET_ID_CUSTOM_GRAPHIC)
14976         {
14977           UpdateCustomElementGraphicGadgets();
14978
14979           FrameCounter = 0;     // restart animation frame counter
14980         }
14981       }
14982       break;
14983
14984     case GADGET_ID_CONNECTED_ITEMS:
14985       {
14986         static int last_sx = -1;
14987         static int last_sy = -1;
14988
14989         if (button_release_event)
14990           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14991
14992         SetDrawModeHiRes(new_element);
14993
14994         if (getDrawModeHiRes())
14995         {
14996           sx = sx2;
14997           sy = sy2;
14998         }
14999
15000         if (!button_press_event)
15001           DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
15002
15003         last_sx = sx;
15004         last_sy = sy;
15005       }
15006       break;
15007
15008     case GADGET_ID_LINE:
15009     case GADGET_ID_ARC:
15010     case GADGET_ID_RECTANGLE:
15011     case GADGET_ID_FILLED_BOX:
15012       SetDrawModeHiRes(new_element);
15013
15014       if (getDrawModeHiRes())
15015       {
15016         sx = sx2;
15017         sy = sy2;
15018       }
15019       // FALLTHROUGH
15020     case GADGET_ID_GRAB_BRUSH:
15021     case GADGET_ID_TEXT:
15022       {
15023         static int last_sx = -1;
15024         static int last_sy = -1;
15025         static int start_sx = -1;
15026         static int start_sy = -1;
15027         void (*draw_func)(int, int, int, int, int, boolean);
15028
15029         if (drawing_function == GADGET_ID_LINE)
15030           draw_func = DrawLine;
15031         else if (drawing_function == GADGET_ID_ARC)
15032           draw_func = DrawArc;
15033         else if (drawing_function == GADGET_ID_RECTANGLE)
15034           draw_func = DrawBox;
15035         else if (drawing_function == GADGET_ID_FILLED_BOX)
15036           draw_func = DrawFilledBox;
15037         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
15038           draw_func = SelectArea;
15039         else // (drawing_function == GADGET_ID_TEXT)
15040           draw_func = SetTextCursor;
15041
15042         if (button_press_event)
15043         {
15044           draw_func(sx, sy, sx, sy, new_element, FALSE);
15045           start_sx = last_sx = sx;
15046           start_sy = last_sy = sy;
15047
15048           if (drawing_function == GADGET_ID_TEXT)
15049             DrawLevelText(0, 0, 0, TEXT_END);
15050         }
15051         else if (button_release_event)
15052         {
15053           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
15054           if (drawing_function == GADGET_ID_GRAB_BRUSH)
15055           {
15056             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
15057             CopyBrushToCursor(sx, sy);
15058             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
15059                           MB_LEFTBUTTON);
15060             draw_with_brush = TRUE;
15061           }
15062           else if (drawing_function == GADGET_ID_TEXT)
15063             DrawLevelText(sx, sy, 0, TEXT_INIT);
15064           else
15065             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15066         }
15067         else if (last_sx != sx || last_sy != sy)
15068         {
15069           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
15070           if (IS_MM_WALL_EDITOR(new_element))   // clear wall background
15071             draw_func(start_sx, start_sy, sx, sy, EL_EMPTY, FALSE);
15072           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
15073           last_sx = sx;
15074           last_sy = sy;
15075         }
15076       }
15077       break;
15078
15079     case GADGET_ID_FLOOD_FILL:
15080       if (button_press_event && Tile[lx][ly] != new_element)
15081       {
15082         if (IS_MM_WALL_EDITOR(new_element))
15083           FloodFillWall_MM(sx2, sy2, new_element);
15084         else
15085           FloodFill(lx, ly, new_element);
15086
15087         DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15088         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15089       }
15090       break;
15091
15092     case GADGET_ID_PICK_ELEMENT:
15093       if (button_release_event)
15094         ClickOnGadget(level_editor_gadget[last_drawing_function],
15095                       MB_LEFTBUTTON);
15096       else if (draw_level)
15097         PickDrawingElement(button, Tile[lx][ly]);
15098       else
15099       {
15100         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
15101
15102         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
15103       }
15104
15105     default:
15106       break;
15107   }
15108
15109   // do not mark level as modified for certain non-level-changing gadgets
15110   if ((type_id >= ED_DRAWING_ID_EDITOR_FIRST &&
15111        type_id <= ED_DRAWING_ID_EDITOR_LAST) ||
15112       actual_drawing_function == GADGET_ID_GRAB_BRUSH ||
15113       actual_drawing_function == GADGET_ID_PICK_ELEMENT)
15114     return;
15115
15116   level.changed = TRUE;
15117 }
15118
15119 static void HandleCounterButtons(struct GadgetInfo *gi)
15120 {
15121   int gadget_id = gi->custom_id;
15122   int counter_id = gi->custom_type_id;
15123   int button = gi->event.button;
15124   int *counter_value = counterbutton_info[counter_id].value;
15125   int step = BUTTON_STEPSIZE(button) *
15126     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
15127
15128   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
15129   {
15130     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
15131     boolean released = (gi->event.type == GD_EVENT_RELEASED);
15132     boolean level_changed = LevelChanged();
15133
15134     if ((level_changed && pressed) || (!level_changed && released))
15135       return;
15136
15137     if (level_changed && !Request("Level has changed! Discard changes?",
15138                                   REQ_ASK))
15139     {
15140       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
15141         ModifyEditorCounterValue(counter_id, *counter_value);
15142
15143       return;
15144     }
15145   }
15146
15147   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
15148     *counter_value = gi->textinput.number_value;
15149   else
15150     ModifyEditorCounterValue(counter_id, *counter_value + step);
15151
15152   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
15153   {
15154     int last_game_engine_type = level.game_engine_type;
15155
15156     LoadLevel(level_nr);
15157     LoadScore(level_nr);
15158
15159     SaveLevelSetup_SeriesInfo();
15160
15161     TapeErase();
15162
15163     ResetUndoBuffer();
15164     DrawEditModeWindow();
15165
15166     if (level.game_engine_type != last_game_engine_type)
15167     {
15168       // update element selection list
15169       ReinitializeElementList();
15170       ModifyEditorElementList();
15171     }
15172
15173     return;
15174   }
15175
15176   switch (counter_id)
15177   {
15178     case ED_COUNTER_ID_YAMYAM_CONTENT:
15179       DrawYamYamContentAreas();
15180       break;
15181
15182     case ED_COUNTER_ID_BALL_CONTENT:
15183       DrawMagicBallContentAreas();
15184       break;
15185
15186     case ED_COUNTER_ID_ANDROID_CONTENT:
15187       DrawAndroidElementArea();
15188       break;
15189
15190     case ED_COUNTER_ID_GROUP_CONTENT:
15191       DrawGroupElementArea();
15192       CopyGroupElementPropertiesToGame(properties_element);
15193       break;
15194
15195     case ED_COUNTER_ID_INVENTORY_SIZE:
15196       DrawPlayerInitialInventoryArea(properties_element);
15197       break;
15198
15199     case ED_COUNTER_ID_MM_BALL_CONTENT:
15200       DrawMMBallContentArea();
15201       break;
15202
15203     case ED_COUNTER_ID_ENVELOPE_XSIZE:
15204     case ED_COUNTER_ID_ENVELOPE_YSIZE:
15205       DrawEnvelopeTextArea(-1);
15206       break;
15207
15208     case ED_COUNTER_ID_LEVEL_XSIZE:
15209     case ED_COUNTER_ID_LEVEL_YSIZE:
15210       lev_fieldx = level.fieldx;
15211       lev_fieldy = level.fieldy;
15212
15213       // check if resizing of level results in change of border border
15214       SetBorderElement();
15215
15216       break;
15217
15218     default:
15219       break;
15220   }
15221
15222   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
15223        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
15224       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
15225        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
15226     CopyElementPropertiesToGame(properties_element);
15227
15228   // do not mark level as modified for certain non-level-changing gadgets
15229   if ((counter_id >= ED_COUNTER_ID_LEVELSET_FIRST &&
15230        counter_id <= ED_COUNTER_ID_LEVELSET_LAST) ||
15231       (counter_id >= ED_COUNTER_ID_EDITOR_FIRST &&
15232        counter_id <= ED_COUNTER_ID_EDITOR_LAST))
15233     return;
15234
15235   level.changed = TRUE;
15236 }
15237
15238 static void HandleTextInputGadgets(struct GadgetInfo *gi)
15239 {
15240   int type_id = gi->custom_type_id;
15241
15242   strcpy(textinput_info[type_id].value, gi->textinput.value);
15243
15244   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
15245   {
15246     CopyElementPropertiesToGame(properties_element);
15247
15248     ModifyEditorElementList();  // update changed button info text
15249   }
15250
15251   // do not mark level as modified for certain non-level-changing gadgets
15252   if (type_id >= ED_TEXTINPUT_ID_LEVELSET_FIRST &&
15253       type_id <= ED_TEXTINPUT_ID_LEVELSET_LAST)
15254     return;
15255
15256   level.changed = TRUE;
15257 }
15258
15259 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
15260 {
15261   int type_id = gi->custom_type_id;
15262
15263   strncpy(textarea_info[type_id].value, gi->textarea.value,
15264           MAX_ENVELOPE_TEXT_LEN);
15265   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
15266
15267   level.changed = TRUE;
15268 }
15269
15270 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
15271 {
15272   int type_id = gi->custom_type_id;
15273   int value_old = *selectbox_info[type_id].value;
15274   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
15275
15276   *selectbox_info[type_id].value = value_new;
15277
15278   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE)
15279   {
15280     DrawLevelConfigWindow();
15281   }
15282   else if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
15283   {
15284     element_info[properties_element].current_change_page = gi->selectbox.index;
15285
15286     DrawPropertiesWindow();
15287   }
15288   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
15289             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
15290            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
15291             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
15292            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
15293   {
15294     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
15295     {
15296       // when changing action type, also check action mode and action arg
15297       if (value_old != value_new)
15298         setSelectboxSpecialActionVariablesIfNeeded();
15299
15300       DrawPropertiesChange();
15301     }
15302
15303     CopyElementPropertiesToGame(properties_element);
15304   }
15305   else if (type_id == ED_SELECTBOX_ID_GAME_ENGINE_TYPE)
15306   {
15307     // show or hide "engine" tabulator depending on game engine type
15308     DrawLevelConfigWindow();
15309
15310     // update element selection list depending on game engine type
15311     ReinitializeElementList();
15312     ModifyEditorElementList();
15313   }
15314   else if (type_id == ED_SELECTBOX_ID_BD_SCHEDULING_TYPE)
15315   {
15316     // update BD cycle delay counter gadgets depending on BD scheduling type
15317     DrawLevelConfigWindow();
15318   }
15319
15320   // do not mark level as modified for certain non-level-changing gadgets
15321   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE ||
15322       type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
15323     return;
15324
15325   level.changed = TRUE;
15326 }
15327
15328 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
15329 {
15330   int type_id = gi->custom_type_id;
15331   int i;
15332
15333   if (type_id >= ED_TAB_BUTTON_ID_LEVELCONFIG_FIRST &&
15334       type_id <= ED_TAB_BUTTON_ID_LEVELCONFIG_LAST)
15335   {
15336     edit_mode_levelconfig = gi->custom_type_id;
15337
15338     DrawLevelConfigWindow();
15339   }
15340   else if (type_id >= ED_TAB_BUTTON_ID_PROPERTIES_FIRST &&
15341            type_id <= ED_TAB_BUTTON_ID_PROPERTIES_LAST)
15342   {
15343     edit_mode_properties = gi->custom_type_id;
15344
15345     DrawPropertiesWindow();
15346   }
15347   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1 ||
15348            type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2)
15349   {
15350     boolean new_template = !fileExists(getLocalLevelTemplateFilename());
15351
15352     // backup original "level.field" (needed to track playfield changes)
15353     CopyPlayfield(level.field, TileBackup);
15354
15355     // "SaveLevelTemplate()" uses "level.field", so copy editor playfield
15356     CopyPlayfield(Tile, level.field);
15357
15358     if (new_template ||
15359         Request("Save this template and kill the old?", REQ_ASK))
15360       SaveLevelTemplate();
15361
15362     if (new_template)
15363       Request("Template saved!", REQ_CONFIRM);
15364
15365     // restore original "level.field" (needed to track playfield changes)
15366     CopyPlayfield(TileBackup, level.field);
15367   }
15368   else if (type_id == ED_TEXTBUTTON_ID_SAVE_LEVELSET)
15369   {
15370     char *levelset_subdir = getLevelSubdirFromSaveMode(levelset_save_mode);
15371
15372     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE &&
15373         leveldir_current->readonly)
15374     {
15375       Request("This level set is read-only!", REQ_CONFIRM);
15376
15377       return;
15378     }
15379
15380     if (strEqual(levelset_name, ""))
15381     {
15382       Request("Please enter level set title!", REQ_CONFIRM);
15383
15384       return;
15385     }
15386
15387     if (strEqual(levelset_author, ""))
15388     {
15389       Request("Please enter level set author!", REQ_CONFIRM);
15390
15391       return;
15392     }
15393
15394     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE)
15395     {
15396       if (UpdateUserLevelSet(levelset_subdir,
15397                              levelset_name,
15398                              levelset_author,
15399                              levelset_num_levels))
15400       {
15401         Request("Level set updated!", REQ_CONFIRM);
15402       }
15403       else
15404       {
15405         Request("Updating level set failed!", REQ_CONFIRM);
15406       }
15407     }
15408     else if (levelset_save_mode == LEVELSET_SAVE_MODE_CREATE)
15409     {
15410       if (level.changed && !Request("Level has changed! Discard changes?",
15411                                      REQ_ASK))
15412         return;
15413
15414       if (CreateUserLevelSet(levelset_subdir,
15415                              levelset_name,
15416                              levelset_author,
15417                              levelset_num_levels,
15418                              levelset_use_levelset_artwork))
15419       {
15420         if (levelset_copy_level_template)
15421           CopyLevelTemplateToUserLevelSet(levelset_subdir);
15422
15423         Request("New level set created!", REQ_CONFIRM);
15424
15425         AddUserLevelSetToLevelInfo(levelset_subdir);
15426         ChangeEditorToLevelSet(levelset_subdir);
15427       }
15428       else
15429       {
15430         Request("Creating new level set failed!", REQ_CONFIRM);
15431       }
15432     }
15433   }
15434   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
15435            custom_element.num_change_pages < MAX_CHANGE_PAGES)
15436   {
15437     struct ElementInfo *ei = &element_info[properties_element];
15438
15439     // when modifying custom element, ask for copying level template
15440     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
15441       return;
15442
15443     setElementChangePages(ei, ei->num_change_pages + 1);
15444
15445     // set new change page to be new current change page
15446     ei->current_change_page = ei->num_change_pages - 1;
15447     ei->change = &ei->change_page[ei->current_change_page];
15448
15449     setElementChangeInfoToDefaults(ei->change);
15450
15451     DrawPropertiesWindow();
15452
15453     level.changed = TRUE;
15454   }
15455   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
15456            custom_element.num_change_pages > MIN_CHANGE_PAGES)
15457   {
15458     struct ElementInfo *ei = &element_info[properties_element];
15459
15460     // when modifying custom element, ask for copying level template
15461     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
15462       return;
15463
15464     // copy all change pages after change page to be deleted
15465     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
15466       ei->change_page[i] = ei->change_page[i + 1];
15467
15468     setElementChangePages(ei, ei->num_change_pages - 1);
15469
15470     DrawPropertiesWindow();
15471
15472     level.changed = TRUE;
15473   }
15474 }
15475
15476 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
15477 {
15478   int type_id = gi->custom_type_id;
15479
15480   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
15481       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
15482   {
15483     struct ElementInfo *ei = &element_info[properties_element];
15484     int step = BUTTON_STEPSIZE(gi->event.button);
15485
15486     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
15487     ei->current_change_page += step;
15488
15489     if (ei->current_change_page < 0)
15490       ei->current_change_page = 0;
15491     else if (ei->current_change_page >= ei->num_change_pages)
15492       ei->current_change_page = ei->num_change_pages - 1;
15493
15494     DrawPropertiesWindow();
15495   }
15496   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
15497            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
15498   {
15499     struct ElementInfo *ei = &element_info[properties_element];
15500     int current_change_page = ei->current_change_page;
15501
15502     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
15503     {
15504       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
15505         ei->change_page[current_change_page];
15506     }
15507     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
15508     {
15509       // when modifying custom element, ask for copying level template
15510       if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
15511         return;
15512
15513       ei->change_page[current_change_page] =
15514         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
15515
15516       level.changed = TRUE;
15517     }
15518
15519     DrawPropertiesWindow();
15520   }
15521 }
15522
15523 static void HandleRadiobuttons(struct GadgetInfo *gi)
15524 {
15525   int type_id = gi->custom_type_id;
15526
15527   *radiobutton_info[type_id].value =
15528     radiobutton_info[type_id].checked_value;
15529
15530   // do not mark level as modified for certain non-level-changing gadgets
15531   if (type_id >= ED_RADIOBUTTON_ID_EDITOR_FIRST &&
15532       type_id <= ED_RADIOBUTTON_ID_EDITOR_LAST)
15533     return;
15534
15535   level.changed = TRUE;
15536 }
15537
15538 static void HandleCheckbuttons(struct GadgetInfo *gi)
15539 {
15540   int type_id = gi->custom_type_id;
15541
15542   *checkbutton_info[type_id].value ^= TRUE;
15543
15544   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
15545       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
15546       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
15547       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
15548          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
15549         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
15550          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
15551        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1))
15552   {
15553     CopyElementPropertiesToGame(properties_element);
15554   }
15555
15556   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
15557   {
15558     UpdateCustomElementGraphicGadgets();
15559   }
15560   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1 ||
15561            type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2)
15562   {
15563     boolean template_related_changes_found = FALSE;
15564     int i;
15565
15566     // check if any custom, group or empty elements have been changed
15567     for (i = 0; i < NUM_FILE_ELEMENTS; i++)
15568       if ((IS_CUSTOM_ELEMENT(i) ||
15569            IS_GROUP_ELEMENT(i) ||
15570            IS_EMPTY_ELEMENT(i)) &&
15571           element_info[i].modified_settings)
15572         template_related_changes_found = TRUE;
15573
15574     if (level.use_custom_template &&
15575         !fileExists(getGlobalLevelTemplateFilename()))
15576     {
15577       Request("No level template found!", REQ_CONFIRM);
15578
15579       level.use_custom_template = FALSE;
15580
15581       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
15582
15583       return;
15584     }
15585
15586     if (level.use_custom_template &&
15587         template_related_changes_found &&
15588         !Request("Discard changes and use level template?", REQ_ASK))
15589     {
15590       level.use_custom_template = FALSE;
15591
15592       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
15593
15594       return;
15595     }
15596
15597     if (!level.use_custom_template &&
15598         Request("Copy settings from level template?", REQ_ASK))
15599     {
15600       return;
15601     }
15602
15603     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
15604
15605     DrawEditModeWindow();
15606   }
15607   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3)
15608   {
15609     if (setup.editor.use_template_for_new_levels &&
15610         !fileExists(getGlobalLevelTemplateFilename()))
15611     {
15612       Request("No level template found!", REQ_CONFIRM);
15613
15614       return;
15615     }
15616
15617     if (setup.editor.use_template_for_new_levels &&
15618         level.changed &&
15619         !Request("Discard level and load template?", REQ_ASK))
15620     {
15621       return;
15622     }
15623
15624     if (!setup.editor.use_template_for_new_levels &&
15625         level.changed &&
15626         !Request("Discard level and use empty level?", REQ_ASK))
15627     {
15628       return;
15629     }
15630
15631     LoadLevel(level_nr);
15632     LoadScore(level_nr);
15633
15634     TapeErase();
15635
15636     ResetUndoBuffer();
15637     DrawEditModeWindow();
15638   }
15639   else if (type_id == ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS)
15640   {
15641     SetAutomaticNumberOfGemsNeeded();
15642   }
15643
15644   // do not mark level as modified for certain non-level-changing gadgets
15645   if ((type_id >= ED_CHECKBUTTON_ID_LEVELSET_FIRST &&
15646        type_id <= ED_CHECKBUTTON_ID_LEVELSET_LAST) ||
15647       (type_id >= ED_CHECKBUTTON_ID_EDITOR_FIRST &&
15648        type_id <= ED_CHECKBUTTON_ID_EDITOR_LAST &&
15649        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2) ||
15650       type_id == ED_CHECKBUTTON_ID_STICK_ELEMENT)
15651     return;
15652
15653   level.changed = TRUE;
15654 }
15655
15656 static void HandleControlButtons(struct GadgetInfo *gi)
15657 {
15658   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
15659   static int last_edit_mode = ED_MODE_DRAWING;
15660   static int last_custom_copy_mode = -1;
15661   static int last_button = 0;
15662   int id = gi->custom_id;
15663   int button = gi->event.button;
15664   int step = BUTTON_STEPSIZE(button);
15665   int new_element = BUTTON_ELEMENT(button);
15666   int last_properties_element = properties_element;
15667   int x, y;
15668
15669   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
15670     DrawLevelText(0, 0, 0, TEXT_END);
15671
15672   if (id < ED_NUM_CTRL1_BUTTONS &&
15673       id != GADGET_ID_SINGLE_ITEMS &&
15674       id != GADGET_ID_PICK_ELEMENT &&
15675       edit_mode != ED_MODE_DRAWING &&
15676       drawing_function != GADGET_ID_PICK_ELEMENT &&
15677       !(GetKeyModState() & KMOD_Control))
15678     ChangeEditModeWindow(ED_MODE_DRAWING);
15679
15680   // element copy mode active, but no element button pressed => deactivate
15681   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
15682     last_custom_copy_mode = -1;
15683
15684   // when showing palette on element buttons, change element of button used
15685   if (editor.palette.show_on_element_buttons &&
15686       id >= GADGET_ID_ELEMENT_LEFT && id <= GADGET_ID_ELEMENT_RIGHT)
15687   {
15688     last_button = id - GADGET_ID_ELEMENT_LEFT + 1;
15689
15690     id = GADGET_ID_PALETTE;
15691   }
15692
15693   switch (id)
15694   {
15695     case GADGET_ID_SCROLL_LEFT:
15696       if (level_xpos >= 0)
15697       {
15698         if (lev_fieldx < ed_fieldx - 2)
15699           break;
15700
15701         level_xpos -= step;
15702         if (level_xpos < -1)
15703           level_xpos = -1;
15704         if (button == 1)
15705           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
15706         else
15707           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15708
15709         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
15710                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
15711       }
15712       break;
15713
15714     case GADGET_ID_SCROLL_RIGHT:
15715       if (level_xpos <= lev_fieldx - ed_fieldx)
15716       {
15717         if (lev_fieldx < ed_fieldx - 2)
15718           break;
15719
15720         level_xpos += step;
15721         if (level_xpos > lev_fieldx - ed_fieldx + 1)
15722           level_xpos = lev_fieldx - ed_fieldx + 1;
15723         if (button == 1)
15724           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
15725         else
15726           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15727
15728         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
15729                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
15730       }
15731       break;
15732
15733     case GADGET_ID_SCROLL_UP:
15734       if (level_ypos >= 0)
15735       {
15736         if (lev_fieldy < ed_fieldy - 2)
15737           break;
15738
15739         level_ypos -= step;
15740         if (level_ypos < -1)
15741           level_ypos = -1;
15742         if (button == 1)
15743           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
15744         else
15745           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15746
15747         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
15748                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
15749       }
15750       break;
15751
15752     case GADGET_ID_SCROLL_DOWN:
15753       if (level_ypos <= lev_fieldy - ed_fieldy)
15754       {
15755         if (lev_fieldy < ed_fieldy - 2)
15756           break;
15757
15758         level_ypos += step;
15759         if (level_ypos > lev_fieldy - ed_fieldy + 1)
15760           level_ypos = lev_fieldy - ed_fieldy + 1;
15761         if (button == 1)
15762           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_UP);
15763         else
15764           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15765
15766         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
15767                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
15768       }
15769       break;
15770
15771     case GADGET_ID_SCROLL_HORIZONTAL:
15772       level_xpos = gi->event.item_position - 1;
15773
15774       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15775       BackToFront();
15776
15777       break;
15778
15779     case GADGET_ID_SCROLL_VERTICAL:
15780       level_ypos = gi->event.item_position - 1;
15781
15782       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15783       BackToFront();
15784
15785       break;
15786
15787     case GADGET_ID_SCROLL_LIST_UP:
15788     case GADGET_ID_SCROLL_LIST_DOWN:
15789     case GADGET_ID_SCROLL_LIST_VERTICAL:
15790       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
15791         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
15792       else
15793       {
15794         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
15795         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
15796
15797         if (element_shift < 0)
15798           element_shift = 0;
15799         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
15800           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
15801
15802         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
15803                      GDI_SCROLLBAR_ITEM_POSITION,
15804                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
15805       }
15806
15807       ModifyEditorElementList();
15808
15809       break;
15810
15811     case GADGET_ID_PROPERTIES:
15812       // always switch off element properties when they are already displayed
15813       last_properties_element = new_element;
15814     case GADGET_ID_ELEMENT_LEFT:
15815     case GADGET_ID_ELEMENT_MIDDLE:
15816     case GADGET_ID_ELEMENT_RIGHT:
15817       properties_element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
15818                             id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
15819                             id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 :
15820                             new_element);
15821
15822       if (edit_mode != ED_MODE_PROPERTIES)
15823       {
15824         last_edit_mode = edit_mode;
15825
15826         ChangeEditModeWindow(ED_MODE_PROPERTIES);
15827
15828         last_level_drawing_function = drawing_function;
15829         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
15830                       MB_LEFTBUTTON);
15831       }
15832       else if (properties_element != last_properties_element)
15833       {
15834         DrawEditModeWindow();
15835       }
15836       else
15837       {
15838         ChangeEditModeWindow(ED_MODE_DRAWING);
15839
15840         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
15841                       MB_LEFTBUTTON);
15842       }
15843       break;
15844
15845     case GADGET_ID_PALETTE:
15846       if (edit_mode != ED_MODE_PALETTE)
15847       {
15848         last_edit_mode = edit_mode;
15849
15850         ChangeEditModeWindow(ED_MODE_PALETTE);
15851       }
15852       else
15853       {
15854         ChangeEditModeWindow(last_edit_mode);
15855       }
15856       break;
15857
15858     case GADGET_ID_WRAP_LEFT:
15859       WrapLevel(-step, 0);
15860       break;
15861
15862     case GADGET_ID_WRAP_RIGHT:
15863       WrapLevel(step, 0);
15864       break;
15865
15866     case GADGET_ID_WRAP_UP:
15867       WrapLevel(0, -step);
15868       break;
15869
15870     case GADGET_ID_WRAP_DOWN:
15871       WrapLevel(0, step);
15872       break;
15873
15874     case GADGET_ID_SINGLE_ITEMS:
15875     case GADGET_ID_CONNECTED_ITEMS:
15876     case GADGET_ID_LINE:
15877     case GADGET_ID_ARC:
15878     case GADGET_ID_TEXT:
15879     case GADGET_ID_RECTANGLE:
15880     case GADGET_ID_FILLED_BOX:
15881     case GADGET_ID_FLOOD_FILL:
15882     case GADGET_ID_GRAB_BRUSH:
15883     case GADGET_ID_PICK_ELEMENT:
15884       if (drawing_function != GADGET_ID_PICK_ELEMENT)
15885         last_drawing_function = drawing_function;
15886       drawing_function = id;
15887       draw_with_brush = FALSE;
15888       break;
15889
15890     case GADGET_ID_RANDOM_PLACEMENT:
15891       RandomPlacement(new_element);
15892       break;
15893
15894     case GADGET_ID_ZOOM:
15895       // zoom level editor tile size in or out (or reset to default size)
15896       ed_tilesize = (button == 1 ? ed_tilesize * 2 :
15897                      button == 2 ? ed_tilesize_default :
15898                      button == 3 ? ed_tilesize / 2 : ed_tilesize);
15899
15900       // when using touch device, cycle through all zoom tilesizes
15901       if (runtime.uses_touch_device && ed_tilesize > TILESIZE)
15902         ed_tilesize = MICRO_TILESIZE;
15903
15904       // limit zoom level by upper and lower bound
15905       ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
15906
15907       InitZoomLevelSettings(ed_tilesize);
15908
15909       if (edit_mode == ED_MODE_DRAWING)
15910       {
15911         DrawDrawingWindow();
15912
15913         // redraw zoom gadget info text
15914         PrintEditorGadgetInfoText(level_editor_gadget[id]);
15915       }
15916
15917       // save current editor zoom tilesize
15918       SaveSetup_AutoSetup();
15919
15920       break;
15921
15922     case GADGET_ID_CUSTOM_COPY_FROM:
15923     case GADGET_ID_CUSTOM_COPY_TO:
15924     case GADGET_ID_CUSTOM_EXCHANGE:
15925       last_custom_copy_mode = id;
15926       last_drawing_function = drawing_function;
15927       break;
15928
15929     case GADGET_ID_CUSTOM_COPY:
15930       CopyCustomElement(properties_element, -1, id);
15931       break;
15932
15933     case GADGET_ID_CUSTOM_PASTE:
15934       CopyCustomElement(-1, properties_element, id);
15935       break;
15936
15937     case GADGET_ID_UNDO:
15938       if (button < 0)   // keep button value (even if modifier keys are pressed)
15939         button = -button;
15940       else if (button == 1 && GetKeyModState() & (KMOD_Shift | KMOD_Control))
15941         button = 3;
15942
15943       if (button == 1 && undo_buffer_steps == 0)
15944       {
15945         Request("Undo buffer empty!", REQ_CONFIRM);
15946
15947         break;
15948       }
15949       else if (button == 2)
15950       {
15951         break;
15952       }
15953       else if (button == 3 && redo_buffer_steps == 0)
15954       {
15955         Request("Redo buffer empty!", REQ_CONFIRM);
15956
15957         break;
15958       }
15959
15960       if (edit_mode != ED_MODE_DRAWING)
15961         ChangeEditModeWindow(ED_MODE_DRAWING);
15962
15963       if (button == 1)
15964       {
15965         // undo
15966
15967         undo_buffer_position =
15968           (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
15969
15970         undo_buffer_steps--;
15971         redo_buffer_steps++;
15972       }
15973       else
15974       {
15975         // redo
15976
15977         undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
15978
15979         undo_buffer_steps++;
15980         redo_buffer_steps--;
15981       }
15982
15983       for (x = 0; x < lev_fieldx; x++)
15984         for (y = 0; y < lev_fieldy; y++)
15985           Tile[x][y] = UndoBuffer[undo_buffer_position][x][y];
15986
15987       // check if undo operation forces change of border style
15988       CheckLevelBorderElement(FALSE);
15989
15990       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15991
15992       break;
15993
15994     case GADGET_ID_CONF:
15995       if (edit_mode != ED_MODE_LEVELCONFIG)
15996       {
15997         last_edit_mode = edit_mode;
15998
15999         ChangeEditModeWindow(ED_MODE_LEVELCONFIG);
16000       }
16001       else
16002       {
16003         ChangeEditModeWindow(ED_MODE_DRAWING);
16004       }
16005       break;
16006
16007     case GADGET_ID_CLEAR:
16008       if (edit_mode != ED_MODE_DRAWING)
16009         ChangeEditModeWindow(ED_MODE_DRAWING);
16010
16011       for (x = 0; x < MAX_LEV_FIELDX; x++)
16012         for (y = 0; y < MAX_LEV_FIELDY; y++)
16013           Tile[x][y] = (button == 1 ? EL_EMPTY : new_element);
16014
16015       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
16016
16017       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16018       break;
16019
16020     case GADGET_ID_SAVE:
16021     {
16022       // saving read-only levels into personal level set modifies global vars
16023       // "leveldir_current" and "level_nr"; restore them after saving level
16024       LevelDirTree *leveldir_former = leveldir_current;
16025       int level_nr_former = level_nr;
16026       char *level_filename;
16027       boolean new_level;
16028
16029       if (leveldir_current->readonly &&
16030           !PrepareSavingIntoPersonalLevelSet())
16031         break;
16032
16033       level_filename = getDefaultLevelFilename(level_nr);
16034       new_level = !fileExists(level_filename);
16035
16036       if (new_level ||
16037           Request("Save this level and kill the old?", REQ_ASK))
16038       {
16039         if (leveldir_former->readonly)
16040           ModifyLevelConfigForSavingIntoPersonalLevelSet(leveldir_former->name);
16041
16042         SetAutomaticNumberOfGemsNeeded();
16043
16044         CopyPlayfield(Tile, level.field);
16045         SaveLevel(level_nr);
16046
16047         level.changed = FALSE;
16048
16049         if (new_level)
16050         {
16051           char level_saved_msg[64];
16052
16053           if (leveldir_former->readonly)
16054             sprintf(level_saved_msg,
16055                     "Level saved as level %d into personal level set!",
16056                     level_nr);
16057           else
16058             strcpy(level_saved_msg, "Level saved!");
16059
16060           Request(level_saved_msg, REQ_CONFIRM);
16061         }
16062       }
16063
16064       // "cd" back to copied-from levelset (in case of saved read-only level)
16065       leveldir_current = leveldir_former;
16066       level_nr = level_nr_former;
16067
16068       break;
16069     }
16070
16071     case GADGET_ID_TEST:
16072       if (LevelChanged())
16073         level.game_version = GAME_VERSION_ACTUAL;
16074
16075       CopyPlayfield(level.field, TileBackup);
16076       CopyPlayfield(Tile, level.field);
16077
16078       CopyNativeLevel_RND_to_Native(&level);
16079
16080       UnmapLevelEditorGadgets();
16081       UndrawSpecialEditorDoor();
16082
16083       CloseDoor(DOOR_CLOSE_ALL);
16084
16085       // needed before playing if editor playfield area has different size
16086       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
16087
16088       // redraw_mask = REDRAW_ALL;
16089
16090       level_editor_test_game = TRUE;
16091
16092       StartGameActions(FALSE, setup.autorecord, level.random_seed);
16093
16094       break;
16095
16096     case GADGET_ID_EXIT:
16097       RequestExitLevelEditor(TRUE, FALSE);  // if level has changed, ask user
16098       break;
16099
16100     default:
16101       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
16102           id <= GADGET_ID_ELEMENTLIST_LAST)
16103       {
16104         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
16105
16106         new_element = editor_elements[element_position + element_shift];
16107
16108         if (IS_EDITOR_CASCADE(new_element))
16109         {
16110           int i;
16111
16112           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
16113           {
16114             int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
16115             boolean *cascade_value = editor_elements_info[i].setup_cascade_value;
16116
16117             if (*cascade_element == new_element)
16118             {
16119               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
16120               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
16121
16122               // update element selection list
16123               ReinitializeElementList();
16124               ModifyEditorElementList();
16125
16126               // update cascading gadget info text
16127               PrintEditorGadgetInfoText(level_editor_gadget[id]);
16128
16129               // save current editor cascading state
16130               SaveSetup_EditorCascade();
16131
16132               break;
16133             }
16134           }
16135
16136           break;
16137         }
16138
16139         if (last_custom_copy_mode != -1)
16140         {
16141           if (CopyCustomElement(properties_element, new_element,
16142                                 last_custom_copy_mode))
16143           {
16144             ClickOnGadget(level_editor_gadget[last_drawing_function],
16145                           MB_LEFTBUTTON);
16146
16147             last_custom_copy_mode = -1;
16148           }
16149
16150           break;
16151         }
16152
16153         // change element of button used to show palette
16154         if (editor.palette.show_on_element_buttons)
16155           button = last_button;
16156
16157         PickDrawingElement(button, new_element);
16158
16159         if (!stick_element_properties_window &&
16160             drawing_function != GADGET_ID_PICK_ELEMENT &&
16161             !(GetKeyModState() & KMOD_Control))
16162         {
16163           properties_element = new_element;
16164           if (edit_mode == ED_MODE_PROPERTIES)
16165             DrawPropertiesWindow();
16166         }
16167
16168         if (drawing_function == GADGET_ID_PICK_ELEMENT)
16169           ClickOnGadget(level_editor_gadget[last_drawing_function],
16170                         MB_LEFTBUTTON);
16171
16172         if (!use_permanent_palette)
16173           ChangeEditModeWindow(last_edit_mode);
16174       }
16175 #ifdef DEBUG
16176       else if (gi->event.type == GD_EVENT_PRESSED)
16177         Debug("editor", "default: HandleControlButtons: GD_EVENT_PRESSED(%d)", id);
16178       else if (gi->event.type == GD_EVENT_RELEASED)
16179         Debug("editor", "default: HandleControlButtons: GD_EVENT_RELEASED(%d)", id);
16180       else if (gi->event.type == GD_EVENT_MOVING)
16181         Debug("editor", "default: HandleControlButtons: GD_EVENT_MOVING(%d)", id);
16182       else
16183         Debug("editor", "default: HandleControlButtons: ? (id == %d)", id);
16184 #endif
16185       break;
16186   }
16187 }
16188
16189 void HandleLevelEditorKeyInput(Key key)
16190 {
16191   char letter = getCharFromKey(key);
16192
16193   if (drawing_function == GADGET_ID_TEXT &&
16194       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
16195   {
16196     if (letter)
16197       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
16198     else if (key == KSYM_Delete || key == KSYM_BackSpace)
16199       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
16200     else if (key == KSYM_Return)
16201       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
16202     else if (key == KSYM_Escape)
16203       DrawLevelText(0, 0, 0, TEXT_END);
16204
16205     return;
16206   }
16207
16208   int id = GADGET_ID_NONE;
16209   int new_element_shift = element_shift;
16210   int step = ED_ELEMENTLIST_BUTTONS_VERT - 1;
16211   int button = MB_LEFTBUTTON;
16212   int i;
16213
16214   switch (key)
16215   {
16216     case KSYM_Left:
16217       id = GADGET_ID_SCROLL_LEFT;
16218       break;
16219     case KSYM_Right:
16220       id = GADGET_ID_SCROLL_RIGHT;
16221       break;
16222     case KSYM_Up:
16223       id = GADGET_ID_SCROLL_UP;
16224       break;
16225     case KSYM_Down:
16226       id = GADGET_ID_SCROLL_DOWN;
16227       break;
16228
16229     case KSYM_Page_Up:
16230     case KSYM_Page_Down:
16231       step *= (key == KSYM_Page_Up ? -1 : +1);
16232       element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
16233
16234       if (element_shift < 0)
16235         element_shift = 0;
16236       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
16237         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
16238
16239       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
16240                    GDI_SCROLLBAR_ITEM_POSITION,
16241                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
16242
16243       ModifyEditorElementList();
16244
16245       break;
16246
16247     case KSYM_Home:
16248     case KSYM_End:
16249       element_shift = (key == KSYM_Home ? 0 :
16250                        num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
16251
16252       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
16253                    GDI_SCROLLBAR_ITEM_POSITION,
16254                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
16255
16256       ModifyEditorElementList();
16257
16258       break;
16259
16260     case KSYM_Insert:
16261     case KSYM_Delete:
16262
16263       // this is needed to prevent interference with running "True X-Mouse"
16264       if (GetKeyModStateFromEvents() & KMOD_Control)
16265         break;
16266
16267       // check for last or next editor cascade block in element list
16268       for (i = 0; i < num_editor_elements; i++)
16269       {
16270         if ((key == KSYM_Insert && i == element_shift) ||
16271             (key == KSYM_Delete && new_element_shift > element_shift))
16272           break;
16273
16274         // jump to next cascade block (or to start of element list)
16275         if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
16276           new_element_shift = i;
16277       }
16278
16279       if (i < num_editor_elements)
16280         element_shift = new_element_shift;
16281
16282       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
16283         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
16284
16285       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
16286                    GDI_SCROLLBAR_ITEM_POSITION,
16287                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
16288
16289       ModifyEditorElementList();
16290
16291       break;
16292
16293     case KSYM_Escape:
16294       if (edit_mode == ED_MODE_DRAWING)
16295         RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
16296       else if (edit_mode == ED_MODE_LEVELCONFIG)
16297         HandleControlButtons(level_editor_gadget[GADGET_ID_CONF]);
16298       else if (edit_mode == ED_MODE_PROPERTIES)
16299         HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
16300       else if (edit_mode == ED_MODE_PALETTE)
16301         HandleControlButtons(level_editor_gadget[GADGET_ID_PALETTE]);
16302       else              // should never happen
16303         ChangeEditModeWindow(ED_MODE_DRAWING);
16304
16305       break;
16306
16307     default:
16308       break;
16309   }
16310
16311   if (id != GADGET_ID_NONE)
16312     ClickOnGadget(level_editor_gadget[id], button);
16313   else if (letter == '1' || letter == '?')
16314     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_LEFT], button);
16315   else if (letter == '2')
16316     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_MIDDLE], button);
16317   else if (letter == '3')
16318     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_RIGHT], button);
16319   else if (letter == '.')
16320     ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
16321   else if (letter == 'U')
16322     ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
16323   else if (letter == '-' || key == KSYM_KP_Subtract)
16324     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 3);
16325   else if (letter == '0' || key == KSYM_KP_0)
16326     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 2);
16327   else if (letter == '+' || key == KSYM_KP_Add ||
16328            letter == '=')       // ("Shift-=" is "+" on US keyboards)
16329     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 1);
16330   else if (key == KSYM_Return ||
16331            key == KSYM_space ||
16332            key == setup.shortcut.toggle_pause)
16333     ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
16334   else
16335     for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
16336       if (letter && letter == controlbutton_info[i].shortcut)
16337         if (!anyTextGadgetActive())
16338           ClickOnGadget(level_editor_gadget[i], button);
16339
16340   if (draw_with_brush)
16341   {
16342     if (letter == 'x')
16343       FlipBrushX();
16344     else if (letter == 'y')
16345       FlipBrushY();
16346     else if (letter == 'z')
16347       RotateBrush();
16348   }
16349 }
16350
16351 static void HandleLevelEditorIdle_Properties(void)
16352 {
16353   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
16354   int x = editor.settings.element_graphic.x + element_border;
16355   int y = editor.settings.element_graphic.y + element_border;
16356   static DelayCounter action_delay = { 0 };
16357   int i;
16358
16359   action_delay.value = GameFrameDelay;
16360
16361   if (!DelayReached(&action_delay))
16362     return;
16363
16364   for (i = 0; i < ED_NUM_SELECTBOX; i++)
16365   {
16366     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
16367
16368     if (gi->mapped && gi->active && gi->selectbox.open)
16369       return;
16370   }
16371
16372   DrawEditorElementAnimation(SX + x, SY + y);
16373
16374   redraw_mask |= REDRAW_FIELD;
16375
16376   FrameCounter++;       // increase animation frame counter
16377 }
16378
16379 static void HandleLevelEditorIdle_Drawing(void)
16380 {
16381   static boolean last_highlighted = FALSE;
16382   static boolean last_highlighted_similar = FALSE;
16383   boolean highlighted = (GetKeyModState() & KMOD_Alt);
16384   boolean highlighted_similar = (GetKeyModState() & KMOD_Shift);
16385
16386   if (highlighted != last_highlighted ||
16387       (highlighted && highlighted_similar != last_highlighted_similar))
16388   {
16389     DrawAreaElementHighlight(highlighted, highlighted_similar);
16390
16391     redraw_mask |= REDRAW_FIELD;
16392   }
16393
16394   last_highlighted = highlighted;
16395   last_highlighted_similar = highlighted_similar;
16396 }
16397
16398 void HandleLevelEditorIdle(void)
16399 {
16400   if (edit_mode == ED_MODE_PROPERTIES)
16401     HandleLevelEditorIdle_Properties();
16402   else if (edit_mode == ED_MODE_DRAWING)
16403     HandleLevelEditorIdle_Drawing();
16404 }
16405
16406 static void ClearEditorGadgetInfoText(void)
16407 {
16408   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
16409 }
16410
16411 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
16412 {
16413   char infotext[MAX_OUTPUT_LINESIZE + 1];
16414   int max_infotext_len = getMaxInfoTextLength();
16415
16416   if (gi == NULL || strlen(gi->info_text) == 0)
16417     return;
16418
16419   strncpy(infotext, gi->info_text, max_infotext_len);
16420   infotext[max_infotext_len] = '\0';
16421
16422   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
16423   {
16424     int key = controlbutton_info[gi->custom_id].shortcut;
16425
16426     if (key)
16427     {
16428       char shortcut[MAX_OUTPUT_LINESIZE + 1];
16429
16430       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)
16431         sprintf(shortcut, " ('.' or '%c')", key);
16432       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT)
16433         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
16434       else if (gi->custom_id == GADGET_ID_TEST)
16435         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
16436       else if (gi->custom_id == GADGET_ID_UNDO)
16437         sprintf(shortcut, " ('%c/Shift-U')", key);
16438       else if (gi->custom_id == GADGET_ID_ZOOM)
16439         sprintf(shortcut, " ('%c', '0', '-')", key);
16440       else
16441         sprintf(shortcut, " ('%s%c')",
16442                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
16443
16444       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
16445         strcat(infotext, shortcut);
16446     }
16447   }
16448
16449   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, INFOTEXT_FONT);
16450 }
16451
16452 void HandleEditorGadgetInfoText(void *ptr)
16453 {
16454   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
16455
16456   if (game_status != GAME_MODE_EDITOR)
16457     return;
16458
16459   ClearEditorGadgetInfoText();
16460
16461   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
16462     return;
16463
16464   // misuse this function to delete brush cursor, if needed
16465   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
16466     DeleteBrushFromCursor();
16467
16468   PrintEditorGadgetInfoText(gi);
16469 }
16470
16471 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
16472 {
16473   int id = gi->custom_id;
16474   int type_id = gi->custom_type_id;
16475   int sx = gi->event.x;
16476   int sy = gi->event.y;
16477   int lx = sx + level_xpos;
16478   int ly = sy + level_ypos;
16479   int min_sx = 0, min_sy = 0;
16480   int max_sx = gi->drawing.area_xsize - 1;
16481   int max_sy = gi->drawing.area_ysize - 1;
16482   int actual_drawing_function = drawing_function;
16483   int max_infotext_len = getMaxInfoTextLength();
16484   char infotext[MAX_OUTPUT_LINESIZE + 1];
16485
16486   infotext[0] = '\0';           // start with empty info text
16487
16488   // pressed Control key: simulate picking element
16489   if (GetKeyModState() & KMOD_Control)
16490     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
16491
16492   ClearEditorGadgetInfoText();
16493
16494   if (gi->event.type == GD_EVENT_INFO_LEAVING)
16495     return;
16496
16497   // make sure to stay inside drawing area boundaries
16498   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
16499   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
16500
16501   if (id == GADGET_ID_DRAWING_LEVEL)
16502   {
16503     if (button_status)
16504     {
16505       int min_lx = 0, min_ly = 0;
16506       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
16507
16508       // get positions inside level field
16509       lx = sx + level_xpos;
16510       ly = sy + level_ypos;
16511
16512       // make sure to stay inside level field boundaries
16513       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
16514       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
16515
16516       // correct drawing area positions accordingly
16517       sx = lx - level_xpos;
16518       sy = ly - level_ypos;
16519     }
16520
16521     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
16522     {
16523       if (button_status)        // if (gi->state == GD_BUTTON_PRESSED)
16524       {
16525         static int start_lx = 0;
16526         static int start_ly = 0;
16527         char *text;
16528
16529         if (gi->event.type == GD_EVENT_PRESSED)
16530         {
16531           start_lx = lx;
16532           start_ly = ly;
16533         }
16534
16535         switch (actual_drawing_function)
16536         {
16537           case GADGET_ID_SINGLE_ITEMS:
16538             text = "Drawing single items";
16539             break;
16540           case GADGET_ID_CONNECTED_ITEMS:
16541             text = "Drawing connected items";
16542             break;
16543           case GADGET_ID_LINE:
16544             text = "Drawing line";
16545             break;
16546           case GADGET_ID_ARC:
16547             text = "Drawing arc";
16548             break;
16549           case GADGET_ID_TEXT:
16550             text = "Setting text cursor";
16551             break;
16552           case GADGET_ID_RECTANGLE:
16553             text = "Drawing rectangle";
16554             break;
16555           case GADGET_ID_FILLED_BOX:
16556             text = "Drawing filled box";
16557             break;
16558           case GADGET_ID_FLOOD_FILL:
16559             text = "Flood fill";
16560             break;
16561           case GADGET_ID_GRAB_BRUSH:
16562             text = "Grabbing brush";
16563             break;
16564           case GADGET_ID_PICK_ELEMENT:
16565             text = "Picking element";
16566             break;
16567
16568           default:
16569             text = "Drawing position";
16570             break;
16571         }
16572
16573         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
16574           sprintf(infotext, "%s: %d, %d", text, lx, ly);
16575         else
16576           sprintf(infotext, "%s: %d, %d", text,
16577                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
16578       }
16579       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
16580         strncpy(infotext, getElementInfoText(Tile[lx][ly]), max_infotext_len);
16581       else
16582         sprintf(infotext, "Level position: %d, %d", lx, ly);
16583     }
16584
16585     // misuse this function to draw brush cursor, if needed
16586     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
16587     {
16588       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
16589         CopyBrushToCursor(sx, sy);
16590       else
16591         DeleteBrushFromCursor();
16592     }
16593
16594     if (!draw_with_brush)
16595       UpdateBrushPosition(sx, sy);
16596   }
16597   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
16598   {
16599     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
16600     int element = drawingarea_info[type_id].value[pos];
16601
16602     strncpy(infotext, getElementInfoText(element), max_infotext_len);
16603   }
16604   else
16605   {
16606     if (id == GADGET_ID_CUSTOM_CONTENT)
16607       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
16608     else if (id == GADGET_ID_GROUP_CONTENT)
16609       sprintf(infotext, "group element position: %d", sx + 1);
16610     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
16611              id <= GADGET_ID_YAMYAM_CONTENT_7)
16612       sprintf(infotext, "content area %d position: %d, %d",
16613               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
16614     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
16615              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
16616       sprintf(infotext, "content area %d position: %d, %d",
16617               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
16618     else if (id == GADGET_ID_ANDROID_CONTENT)
16619       sprintf(infotext, "android element position: %d", sx + 1);
16620     else if (drawingarea_info[type_id].infotext != NULL)
16621       strcpy(infotext, drawingarea_info[type_id].infotext);
16622   }
16623
16624   infotext[max_infotext_len] = '\0';
16625
16626   if (strlen(infotext) > 0)
16627     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT, infotext);
16628 }
16629
16630 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
16631                             boolean quick_quit)
16632 {
16633   if (!ask_if_level_has_changed ||
16634       !LevelChanged() ||
16635       Request("Level has changed! Exit without saving?",
16636               REQ_ASK | REQ_STAY_OPEN))
16637   {
16638     struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
16639     struct RectWithBorder *vp_door_2 = &viewport.door_2[GAME_MODE_MAIN];
16640
16641     // draw normal door
16642     UndrawSpecialEditorDoor();
16643
16644     // use door animation if door 1 viewport is unchanged and contains toolbox
16645     if (useEditorDoorAnimation())
16646       CloseDoor(DOOR_CLOSE_1 | DOOR_FORCE_ANIM);
16647
16648     // close editor doors if viewport definition is the same as in main menu
16649     if (vp_door_1->x      == DX     &&
16650         vp_door_1->y      == DY     &&
16651         vp_door_1->width  == DXSIZE &&
16652         vp_door_1->height == DYSIZE &&
16653         vp_door_2->x      == VX     &&
16654         vp_door_2->y      == VY     &&
16655         vp_door_2->width  == VXSIZE &&
16656         vp_door_2->height == VYSIZE)
16657       CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
16658     else
16659       SetDoorState(DOOR_CLOSE_ALL);
16660
16661     BackToFront();
16662
16663     if (quick_quit)
16664       FadeSkipNextFadeIn();
16665
16666     SetGameStatus(GAME_MODE_MAIN);
16667
16668     DrawMainMenu();
16669   }
16670   else
16671   {
16672     if (!global.use_envelope_request)
16673     {
16674       CloseDoor(DOOR_CLOSE_1);
16675       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
16676     }
16677   }
16678 }